WO2019196872A1 - Control method for use in laundry treating device and laundry treating device - Google Patents

Abstract

A control method for use in a laundry treating device and a laundry treating device, which solve the problem in which existing laundry treating devices are not able to accurately determine whether a heating module needs to be turned off. The laundry treating device comprises a condensation module and a heating module, and the control method comprises the following steps: detecting the cooling water temperature of the condensation module in a circumstance in which the heating module is turned on; correcting the turn-off temperature of the heating module according to the cooling water temperature; and selectively turning off the heating module according to the corrected turn-off temperature. The laundry treatment device comprises the condensation module, the heating module, a temperature sensor, a temperature correction module, and a control module, and the control module selectively turns off the heating module on the basis of the corrected turn-off temperature. The control method and the treatment device correct the turn-off temperature of a heating module according to a specific working condition, are capable of accurately controlling the turning off of the heating module, and improve the drying effect of the laundry treatment device.

Description

Control method and laundry treatment apparatus for laundry treatment equipment Technical field

The present invention relates to the technical field of laundry treating apparatuses, and particularly to a control method and a laundry treating apparatus for a laundry treating apparatus.

Background technique

With the advancement of science and technology, the level of automation of human life is getting higher and higher, and daily housework is gradually replaced by machines. As a household appliance commonly used in daily life, clothing processing equipment brings great convenience to people's lives. The laundry treatment equipment mainly comprises a laundry washing device, a clothes drying device and a washing and drying integrated device, and is classified according to the washing mode, and the washing and drying integrated device can be roughly classified into a washing and drying machine having a drying function and a drum washing machine having a drying function. . In the prior art, the drum washing machine heats the air through the heating module of the drying system, and the heated air is sent into the washing tub by the fan, so that the hot air can act on the laundry in the washing tub, so that the moisture carried by the laundry in the washing tub The steam is evaporated into high temperature and high humidity, and the high temperature and high humidity steam is sucked into the exchanger. The high temperature and high humidity steam exchanges heat with the refrigerant in the exchanger, and the high temperature and high humidity steam is condensed into condensed water, and the condensed water is along The inner wall of the exchanger flows out. In this process, the drying system exchanges heat with the external environment. The higher the temperature of the external environment, the less heat exchanged between the drying system and the external environment, and more heat will enter the drying system, making the drying system The condensing ability is weakened relative to the heating capacity, thereby causing the drying system to automatically end the drying process, the accuracy of the judgment is lowered, and even the case where the laundry has not been dried and the drying process has ended early is greatly affected, thereby greatly affecting User experience.

In order to solve the above problem, in the prior art, a temperature sensor is disposed in the drying channel of the drying system, and the temperature sensor can indirectly reflect the temperature condition of the external environment, so that the heating module can be controlled to be closed according to the temperature detected by the temperature sensor. . However, the existing control method does not take into account the problem of temperature insensitivity detected by the temperature sensor. During the running of the drying program, when a drying program is run and then the next drying program is run, the front is received. The influence of a drying process causes the temperature detected by the temperature sensor to be high when the next drying process is run, so that it is impossible to accurately determine whether the heating module needs to be turned off, which greatly affects the user experience.

Accordingly, there is a need in the art for a new control method and laundry treating apparatus for a laundry treating apparatus to solve the above problems.

Summary of the invention

In order to solve the above problem in the prior art, in order to solve the problem that the existing laundry treating apparatus cannot accurately determine whether the heating module needs to be closed, the technical solution 1 of the present invention provides a control method for the laundry treating apparatus. The laundry treating device comprises a condensing module and a heating module, and the laundry treating device comprises a condensing module and a heating module, and the control method comprises the steps of: detecting the cooling water temperature of the condensing module when the heating module is turned on; and correcting the heating module according to the cooling water temperature The temperature is turned off; the heating module is selectively turned off based on the corrected shutdown temperature.

In a preferred technical solution of the above control method, the step of “correcting the shutdown temperature of the heating module according to the cooling water temperature” specifically includes: comparing the cooling water temperature with a preset temperature threshold; and comparing the cooling water temperature with the preset temperature threshold The result is to correct the shutdown temperature.

In a preferred technical solution of the above control method, the step of "correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold" specifically includes: correcting the shutdown temperature according to the following equation: T _off = a × T ₁ + b, wherein T _off is the closing temperature, T ₁ is the cooling water temperature, a is the first correction coefficient, b is the second correction coefficient; and wherein the magnitudes of the first correction coefficient a and the second correction coefficient b are dependent on the cooling The size of the water temperature T ₁ .

In a preferred technical solution of the foregoing control method, the preset temperature threshold includes a first preset temperature threshold, a second preset temperature threshold, and a third preset temperature threshold; wherein the first preset temperature threshold is less than the second preset temperature The threshold, the second preset temperature threshold is less than the third preset temperature threshold.

In a preferred technical solution of the above control method, the first correction coefficient a and the second correction coefficient b are set such that when the cooling water temperature T _{1 is} less than or equal to the first preset temperature threshold, the closing temperature T _off remains unchanged. When the cooling water temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the closing temperature T _off is inversely proportional to the cooling water temperature T ₁ ; when the cooling water temperature T _{1 is} greater than the second When the preset temperature threshold is less than or equal to the third preset temperature threshold, the closing temperature T _off is inversely proportional to the cooling water temperature T ₁ ; when the cooling water temperature T _{1 is} greater than the third preset temperature threshold, the closing temperature T _{off is} maintained constant.

In a preferred technical solution of the foregoing control method, the first preset temperature threshold is 10 ° C; the step of "correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold" specifically includes: if the cooling water temperature T _{1 is} less than Or equal to the first preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the off temperature _Toff are 0 and 170, respectively.

In a preferred technical solution of the foregoing control method, the first preset temperature threshold is 10 ° C, and the second preset temperature threshold is 25 ° C; the step of "correcting the shutdown temperature according to the comparison result between the cooling water temperature and the preset temperature threshold" Specifically, if the cooling water temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are respectively -2 And 170.

In a preferred technical solution of the foregoing control method, the second preset temperature threshold is 25 ° C, and the third preset temperature threshold is 35 ° C; the step of "correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold" Specifically, if the cooling water temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are respectively -0.5 And 132.5.

In a preferred technical solution of the foregoing control method, the third preset temperature threshold is 35 ° C; the step of “correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold” specifically includes: if the cooling water temperature T _{1 is} greater than The third preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the off temperature T _off are 0 and 115, respectively.

In addition, the technical solution 1 of the present invention further provides a laundry treating apparatus including a condensing module and a heating module, the laundry treating apparatus further comprising: the laundry treating apparatus further comprising: a temperature sensor for opening the heating module Detecting the cooling water temperature of the condensing module; the temperature correction module for correcting the closing temperature of the heating module according to the temperature of the cooling water detected by the temperature sensor; and the control module selectively closing the heating module based on the corrected closing temperature .

A person skilled in the art can understand that in the preferred technical solution of the control method of the present invention, the cooling water temperature of the condensing module is detected in the case that the heating module is turned on; the closing temperature of the heating module is corrected according to the cooling water temperature; After the closing temperature, the heating module is selectively turned off. Compared with the existing technical solution for directly controlling the closing of the heating module by the detected ambient temperature, the present invention corrects the closing temperature of the heating module by detecting the temperature of the cooling water during the process of controlling the closing of the heating module, greatly The influence of the detection error of the temperature sensor on the accuracy of the shutdown temperature judgment is reduced, and the closing temperature of the heating module can be accurately determined, so that the closing of the heating module can be accurately controlled, and the drying procedure has been avoided without the laundry being dried yet. The early termination of the situation has improved the drying effect of the washing and drying machine, thereby improving the user experience.

Further, the cooling water temperature is compared with a preset temperature threshold; the shutdown temperature is corrected according to the comparison result of the cooling water temperature and the preset temperature threshold, and the shutdown temperature is corrected according to the following equation: T _off = a × T ₁ + b, wherein a first correction coefficient and the second correction coefficient b depends on the cooling water temperature T ₁ as the size, can be accurately corrected shutdown temperature of the heating module, can be accurately controlled so as to close the heating module, to avoid the laundry The drying process has not been dried yet, and the drying process has already ended prematurely, which improves the drying effect of the washing and drying machine, thereby improving the user experience.

A second aspect of the present invention provides a control method for a laundry treating apparatus, the laundry treating apparatus including a heating module, the control method comprising the steps of: detecting an ambient temperature in a case where the heating module is turned on; and modifying the heating module according to the ambient temperature The shutdown temperature; selectively turns off the heating module based on the corrected shutdown temperature.

In a preferred technical solution of the above control method, the step of “correcting the shutdown temperature of the heating module according to the ambient temperature” specifically includes: comparing the ambient temperature with a preset temperature threshold; and correcting according to a comparison result between the ambient temperature and the preset temperature threshold. Turn off the temperature.

In a preferred technical solution of the above control method, the step of "correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold" specifically includes: correcting the shutdown temperature according to the following equation: T _off = a × T ₁ + b Wherein T _off is the closing temperature, T ₁ is the ambient temperature, a is the first correction coefficient, and b is the second correction coefficient; and wherein the magnitudes of the first correction coefficient a and the second correction coefficient b depend on the ambient temperature T The size of ₁ .

In a preferred technical solution of the foregoing control method, the preset temperature threshold includes a first preset temperature threshold, a second preset temperature threshold, and a third preset temperature threshold; wherein the first preset temperature threshold is less than the second preset temperature The threshold, the second preset temperature threshold is less than the third preset temperature threshold.

In a preferred technical solution of the above control method, the first correction coefficient a and the second correction coefficient b are set such that when the ambient temperature T _{1 is} less than or equal to the first preset temperature threshold, the shutdown temperature T _off remains unchanged. When the ambient temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the shutdown temperature T _off is inversely proportional to the ambient temperature T ₁ ; when the ambient temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, and the close ambient temperature T _off inversely proportional to temperature T _1; when the ambient temperature T ₁ is greater than the third preset temperature threshold T _off shutdown temperature remains constant.

In a preferred technical solution of the foregoing control method, the first preset temperature threshold is 10 ° C; the step of “correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold” specifically includes: if the ambient temperature T _{1 is} less than or equal to The first preset temperature threshold, then the first correction coefficient a and the second correction coefficient b corresponding to the off temperature _Toff are 0 and 150, respectively.

In a preferred technical solution of the foregoing control method, the first preset temperature threshold is 10 ° C, and the second preset temperature threshold is 25 ° C; the step of "correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold" is specific The method includes: if the ambient temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are -2 and 170, respectively .

In a preferred technical solution of the foregoing control method, the second preset temperature threshold is 25 ° C, and the third preset temperature threshold is 35 ° C; the step of "correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold" is specific The method includes: if the ambient temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are -0.5 and 132.5, respectively .

In a preferred technical solution of the foregoing control method, the third preset temperature threshold is 35 ° C; the step of “correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold” specifically includes: if the ambient temperature T _{1 is} greater than the third The preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the off temperature _Toff are 0 and 115, respectively.

In addition, the technical solution 2 of the present invention further provides a laundry treating apparatus including a heating module, the laundry treating apparatus further comprising: a temperature sensor for detecting an ambient temperature when the heating module is turned on; and a temperature correction module And for correcting the shutdown temperature of the heating module according to the ambient temperature detected by the temperature sensor; and the control module selectively turning off the heating module based on the corrected shutdown temperature.

It can be understood by those skilled in the art that, in a preferred technical solution of the control method of the present invention, the ambient temperature is detected in the case where the heating module is turned on; the shutdown temperature of the heating module is corrected according to the ambient temperature; and according to the corrected shutdown temperature, The heating module is selectively turned off. Compared with the existing technical solution for directly controlling the heating module to be closed by the detected ambient temperature, the invention greatly reduces the closing temperature of the heating module by detecting the ambient temperature during the process of controlling the heating module to be turned off. The influence of the detection error of the temperature sensor on the accuracy of the temperature determination can accurately determine the closing temperature of the heating module, thereby accurately controlling the closing of the heating module, avoiding that the laundry has not been dried and the drying process has ended prematurely. The situation has occurred, which has improved the drying effect of the washing and drying machine, thereby improving the user experience.

Further, the ambient temperature is compared with a preset temperature threshold; the shutdown temperature is corrected according to a comparison result of the ambient temperature and the preset temperature threshold, and the shutdown temperature is corrected according to the following equation: T _off = a × T ₁ + b, wherein a first correction coefficient and the second correction coefficient b depends on the ambient temperature T ₁ as the size, can be accurately corrected shutdown temperature of the heating module, it is possible to accurately control the heating module closed, to avoid the laundry has not yet been The drying and drying process has already ended prematurely, which improves the drying effect of the washing and drying machine, thereby improving the user experience.

The technical solution 3 of the present invention provides a control method for a laundry treating apparatus. The laundry treating apparatus includes a condensing module and a heating module, and detects an ambient temperature and a cooling water temperature of the condensing module when the heating module is turned on; The temperature and cooling water temperature correct the closing temperature of the heating module; the heating module is selectively turned off according to the corrected closing temperature.

In a preferred technical solution of the above control method, the step of “correcting the shutdown temperature of the heating module according to the ambient temperature and the cooling water temperature” specifically includes: comparing the ambient temperature and the cooling water temperature with a preset temperature threshold; according to the ambient temperature and cooling The comparison of the water temperature to the preset temperature threshold is used to correct the shutdown temperature.

In a preferred embodiment of the above control method, the step of "correcting the shutdown temperature according to the comparison between the ambient temperature and the cooling water temperature and the preset temperature threshold" specifically includes: correcting the shutdown temperature according to the following equation: T _off = a × T ₁ +b×T ₂ +c×T ₁ ×T ₂ +d, where T _off is the shutdown temperature, T ₁ is the ambient temperature, T ₂ is the cooling water temperature, a is the first correction factor, and b is the second a correction coefficient, c is a third correction coefficient, and d is a fourth correction coefficient; and wherein the magnitudes of the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d depend on the ambient temperature T ₁ and the size of the cooling water temperature T ₂ .

In a preferred technical solution of the foregoing control method, the preset temperature threshold includes a first preset ambient temperature threshold, a second preset ambient temperature threshold, a first preset cooling water temperature threshold, and a second preset cooling water temperature threshold; The first preset ambient temperature threshold is less than the second preset ambient temperature threshold, and the first preset cooling water temperature threshold is less than the second preset cooling water temperature threshold.

In a preferred technical solution of the above control method, the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d are set such that when the ambient temperature T _{1 is} less than or equal to the first pre- When the ambient temperature threshold is set and the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, the closing temperature T _off remains unchanged; when the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature When T _{2 is} greater than the first preset cooling water temperature threshold, the closing temperature T _off is inversely proportional to the ambient temperature T ₁ and the cooling water temperature T ₂ ; when the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the first second preset temperature threshold T _off and the shutdown temperature ambient cooling water temperature T ₁ and inversely proportional to temperature T _2; when the ambient temperature T ₁ is greater than the second predetermined threshold value and the ambient temperature of the cooling water temperature T ₂ is less than or equal to the When the preset cooling water temperature threshold is used, the closing temperature T _off is inversely proportional to the ambient temperature T ₁ and the cooling water temperature T ₂ ; when the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{When the} temperature is greater than the second preset cooling water temperature threshold, the closing temperature _Toff remains unchanged.

In a preferred technical solution of the foregoing control method, the first preset ambient temperature threshold is 10 ° C, the first preset cooling water temperature threshold is 10 ° C, and the second preset cooling water temperature threshold is 35 ° C; "according to the ambient temperature and The step of comparing the cooling water temperature with the preset temperature threshold to correct the shutdown temperature includes: if the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the first preset cooling The water temperature threshold, the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d corresponding to the shutdown temperature _Toff are 0, 0, 0, and 170, respectively; if the ambient temperature T ₁ If the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold and less than or equal to the second preset cooling water temperature threshold, the first correction coefficient corresponding to the closing temperature T _off is less than or equal to the first preset ambient temperature threshold a, a second correction coefficient B, third and fourth correction coefficient c d are the correction coefficient -0.2, and -0.2,0 170; if the ambient temperature T ₁ is less than or equal to a first predetermined threshold value and the ambient temperature of the cooling water temperature T ₂ Cooling water temperature to the second predetermined threshold value, corresponding to the first off temperature T _off correction coefficient a, the second correction coefficient B, the third correction coefficient c and d, respectively, the fourth correction coefficient is -0.1, -0.3,0 And 160.

In a preferred technical solution of the foregoing control method, the first preset ambient temperature threshold is 10 ° C, the second preset ambient temperature threshold is 35 ° C, and the first preset cooling water temperature threshold is 10 ° C, and the second preset cooling water The temperature threshold is 35 ° C; the step of "correcting the shutdown temperature according to the comparison between the ambient temperature and the cooling water temperature and the preset temperature threshold" specifically includes: if the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the first The second preset ambient temperature threshold, the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, and the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the closing temperature T _off The fourth correction coefficient d is -0.3, -0.1, 0, and 160, respectively; if the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the cooling water temperature T _{2 is} greater than the first The preset cooling water temperature threshold is less than or equal to the second preset cooling water temperature threshold, and the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction system corresponding to the closing temperature T _off The number d is -0.3, -0.3, 0, and 150, respectively; if the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second predetermined ambient temperature threshold, the cooling water temperature T _{2 is} greater than the second predetermined cooling The water temperature threshold, the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d corresponding to the shutdown temperature _Toff are -0.4, -0.2, 0, and 140, respectively.

In a preferred technical solution of the foregoing control method, the second preset ambient temperature threshold is 35 ° C, the first preset cooling water temperature threshold is 10 ° C, and the second preset cooling water temperature threshold is 35 ° C; "according to the ambient temperature and The step of comparing the cooling water temperature with the preset temperature threshold to correct the shutdown temperature includes: if the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, the corresponding first shutdown temperature T _off correction coefficient a, the second correction coefficient B, the third correction coefficient c and d are the fourth correction coefficient -0.3, and -0.1,0 160; if the ambient temperature T ₁ If the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold and less than or equal to the second preset cooling water temperature threshold, the first correction coefficient a corresponding to the closing temperature T _off is greater than the second preset ambient temperature threshold The second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d are -0.4, -0.2, 0, and 140, respectively.

In a preferred technical solution of the above control method, if the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold, the first correction corresponding to the shutdown temperature T _off The coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d are 0, 0, 0, and 110, respectively.

In addition, the technical solution 3 of the present invention further provides a laundry treating apparatus including a condensing module and a heating module, the laundry treating apparatus further comprising: an ambient temperature sensor for detecting when the heating module is turned on An ambient temperature; a water temperature sensor for detecting a cooling water temperature of the condensing module when the heating module is turned on; a temperature correction module for correcting the heating according to the detected ambient temperature and the cooling water temperature The shutdown temperature of the module; a control module that selectively turns off the heating module based on the corrected shutdown temperature.

It can be understood by those skilled in the art that in the preferred technical solution of the control method of the present invention, the ambient temperature and the cooling water temperature of the condensing module are detected in the case where the heating module is turned on; and the heating module is corrected according to the ambient temperature and the cooling water temperature. The shutdown temperature; selectively turns off the heating module based on the corrected shutdown temperature. Compared with the existing technical solution for directly controlling the heating module to be closed by the detected ambient temperature, the present invention corrects the closing temperature of the heating module by detecting the ambient temperature and the cooling water temperature during the process of controlling the heating module to be closed. The influence of the detection error of the temperature sensor on the accuracy of the closing temperature judgment is greatly reduced, and the closing temperature of the heating module can be accurately determined, thereby accurately controlling the closing of the heating module, and avoiding drying of the laundry without being dried. The program has already ended prematurely, which improves the drying effect of the washing and drying machine, thereby improving the user experience.

Further, the cooling water temperature and the ambient temperature are compared with a preset temperature threshold; the shutdown temperature is corrected according to the comparison of the cooling water temperature, the ambient temperature, and the preset temperature threshold, and the shutdown temperature is corrected according to the following equation: T _off = a × T ₁ + b × T ₂ + c × T ₁ × T ₂ + d, wherein the magnitudes of the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d depend on The size of the ambient temperature T ₁ and the cooling water temperature T ₂ can accurately correct the closing temperature of the heating module, thereby accurately controlling the closing of the heating module, avoiding the case where the laundry has not been dried and the drying process has ended prematurely. Occurs, improves the drying effect of the washing and drying machine, thereby improving the user experience.

DRAWINGS

The control method of the present invention will be described below with reference to the accompanying drawings in conjunction with a washing and drying machine. In the figure:

1 is a flowchart of a control method according to Embodiment 1 of the present invention;

2 is a flowchart of a control method according to an embodiment of the first embodiment of the present invention;

3 is a schematic view showing the frame of the washing and drying machine according to the first embodiment of the present invention;

4 is a flowchart of a control method according to Embodiment 2 of the present invention;

FIG. 5 is a flowchart of a control method according to an embodiment of Embodiment 2 of the present invention; FIG.

Figure 6 is a schematic view showing the frame of the washing and drying machine of the second embodiment of the present invention;

7 is a flowchart of a control method according to Embodiment 3 of the present invention;

8 is a first flowchart of a control method according to Embodiment 3 of the present invention;

9 is a second flowchart of a control method according to Embodiment 3 of the present invention;

10 is a third flowchart of a control method according to Embodiment 3 of the present invention;

Fig. 11 is a schematic view showing the housing of the washing and drying machine according to the third embodiment of the present invention.

detailed description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, although the present application has been described in connection with a washing and drying machine, the technical solution of the present invention is not limited thereto, and the control method can obviously be applied to other laundry treating apparatuses such as clothes dryers, and the change is not It is within the spirit and scope of the invention.

It should be noted that in the description of the present invention, the terms "first", "second", and "third" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance.

Embodiment 1

Based on the technical problems raised in the background art, the present invention provides a control method for a washing and drying machine, which aims to correct the closing temperature of the heating module according to the cooling water temperature, and greatly reduces the detection error of the temperature sensor to the closing temperature. The influence of the accuracy of the judgment can accurately determine the closing temperature of the heating module, thereby accurately controlling the closing of the heating module, avoiding the situation that the laundry has not been dried and the drying process has ended prematurely, and the washing is improved. The drying effect of the all-in-one machine further enhances the user experience.

1 is a flowchart of a control method according to Embodiment 1 of the present invention; FIG. 2 is a flowchart of a control method according to an embodiment of the present invention; FIG. 3 is a flowchart of Embodiment 1 of the present invention; The frame of the washing and drying machine. As shown in FIG. 1, the control method of the present invention includes the following steps:

S1, detecting the cooling water temperature of the condensing module when the heating module is turned on;

S2, correcting the shutdown temperature of the heating module according to the temperature of the cooling water;

S3. Selectively turn off the heating module according to the corrected shutdown temperature.

Preferably, the cooling water temperature is an average temperature of the cooling water measured within a preset time threshold. For example, the preset time threshold is 1 min. Of course, the preset time threshold is not limited to the time of the above example. A person skilled in the art can flexibly adjust the preset time threshold in practical applications, as long as the cooling water temperature is determined by the preset time threshold. The requirements can be.

In another aspect, the present invention also provides a washing and drying machine, as shown in FIG. 3, the washing and drying machine includes a casing, a laundry treatment cylinder disposed in the casing, a condensation module, a heating module, a blowing module, a temperature sensor, a temperature correction module and a control module, the heating module is disposed in the outer casing for heating the air; the condensation module is disposed in the outer casing for condensing the high temperature and high humidity steam generated during the drying process; the heating module is sent The wind module is connected to the laundry treatment cylinder to transport the hot air heated by the heating module into the laundry treatment cylinder to dry the laundry in the laundry treatment cylinder; the temperature sensor is disposed in the electromagnetic valve of the washing and drying machine for detecting the cooling water temperature The temperature correction module is disposed on the control module for correcting the shutdown temperature of the heating module according to the temperature of the cooling water detected by the temperature sensor; the control module is disposed on the outer casing, and controls the closing of the heating module based on the corrected shutdown temperature. Of course, the actual installation position of the heating module, the air supply module, the temperature sensor, the temperature correction module, and the control module is not limited to the above-mentioned exemplary installation position, and those skilled in the art can flexibly set the heating module and the air supply module in practical applications. The actual installation position of the temperature sensor, the temperature correction module and the control module can be corrected by the mutual cooperation of the heating module, the air supply module, the temperature sensor, the temperature correction module and the control module.

Preferably, the condensing module is a condenser, a condenser, and the like, and details are not described herein.

Preferably, the heating module is a heating tube, a heating fan, a heater, and the like, and details are not described herein.

Preferably, the air supply module is a fan, and may be other structures, and details are not described herein again.

Preferably, the temperature sensor is an infrared temperature sensor, or other types of sensors, such as a radio frequency sensor, etc., in order to detect the temperature of the cooling water. It should be noted that the method of detecting the temperature of the cooling water should not limit the invention.

Preferably, the temperature correction module is designed by computer software to correct the temperature data of the temperature sensor according to the preset temperature threshold, and the corrected temperature data is provided to the control module.

Preferably, the control module is capable of identifying the temperature of the cooling water detected by the temperature sensor, and controlling the temperature correction module to correct the temperature of the closing of the heating module based on the detected temperature of the cooling water. The control module may be a control module of the washing and drying machine itself, or may be an additional control module or other mobile terminal, and details are not described herein again.

In the above step S2, the step of "correcting the shutdown temperature of the heating module according to the temperature of the cooling water" specifically includes:

S21. Comparing the temperature of the cooling water with a preset temperature threshold;

S22. Correct the shutdown temperature according to a comparison result between the cooling water temperature and the preset temperature threshold.

By adopting the above control method, the closing temperature of the heating module can be accurately corrected, thereby accurately controlling the closing of the heating module, avoiding the situation that the laundry has not been dried and the drying process has ended prematurely, and the washing and drying machine is improved. The drying effect enhances the user experience.

Further, in the above step S22, the step of "correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold" specifically includes: correcting the shutdown temperature according to the following equation:

T _off = a × T ₁ + b

Where T _off : the temperature is turned off;

T ₁ : cooling water temperature;

a: first correction factor;

b: second correction factor.

The magnitudes of the first correction coefficient a and the second correction coefficient b depend on the magnitude of the cooling water temperature T ₁ .

In the above step, the preset temperature threshold includes a first preset temperature threshold, a second preset temperature threshold, and a third preset temperature threshold; wherein the first preset temperature threshold is less than the second preset temperature threshold, the second pre- Let the temperature threshold be less than the third preset temperature threshold.

Preferably, in the above step S22, the step of “correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold” further includes:

S221, determining whether the cooling water temperature T ₁ is less than or equal to a first predetermined threshold;

S222, if T ₁ is less than or equal to a first predetermined temperature threshold cooling water temperature, the shutdown temperature T _off remains unchanged;

S223, determining whether the cooling water temperature T ₁ is greater than a first predetermined temperature threshold and less than or equal to a second predetermined temperature threshold;

S224. If the cooling water temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the shutdown temperature T _off is inversely proportional to the cooling water temperature T ₁ ;

S225, determining whether the cooling water temperature T ₁ greater than the second predetermined temperature threshold and less than or equal to the third predetermined temperature threshold;

S226. If the cooling water temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, the shutdown temperature T _off is inversely proportional to the cooling water temperature T ₁ ;

S227, if the cooling water temperature T ₁ is greater than the third predetermined temperature threshold T _off the shutdown temperature remains constant.

Specifically, in the above step S222, if the cooling water temperature T _{1 is} less than or equal to the first preset temperature threshold, the cooling water temperature is low, and the accuracy of the temperature sensor detection is not affected, and it is possible to accurately determine whether it is necessary to When the heating module is turned off, the shutdown temperature _{Toff is} set to remain unchanged, that is, the shutdown temperature _Toff does not change with changes in the temperature of the cooling water.

Preferably, in the above step S224, if the cooling water temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, indicating that the cooling water temperature is high, the accuracy of the temperature sensor detection may be affected, and If it is accurately determined whether the heating module needs to be turned off, the closing temperature T _{off is} set to be inversely proportional to the cooling water temperature T ₁ such that the closing temperature T _off decreases as the cooling water temperature increases to lower the closing temperature of the heating module. It avoids the situation that the clothes have not been dried and the drying process has ended prematurely, which improves the drying effect of the washing and drying machine, thereby improving the user experience.

Preferably, in the above step S226, if the cooling water temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, indicating that the cooling water temperature is high, the accuracy of the temperature sensor detection may be affected, and If it is accurately determined whether the heating module needs to be turned off, the closing temperature T _{off is} set to be inversely proportional to the cooling water temperature T ₁ such that the closing temperature T _off decreases as the cooling water temperature increases to lower the closing temperature of the heating module. It avoids the situation that the clothes have not been dried and the drying process has ended prematurely, which improves the drying effect of the washing and drying machine, thereby improving the user experience.

Preferably, the above-described step S227, if the cooling water temperature T ₁ is greater than the third threshold value preset temperature, cooling water temperature described is too high, resulting in greatly influence on the accuracy of the temperature sensor can not accurately determine whether the heating module Close , the closing temperature T _{off is} set to remain unchanged, that is, the closing temperature T _off does not change with the change of the cooling water temperature, avoiding the situation that the laundry has not been dried and the drying process has ended prematurely, improving The drying effect of the washing and drying machine improves the user experience.

In the above process, by setting the first preset temperature threshold, the conclusion of how to correct the shutdown temperature can be further given, so that the washing and drying machine can adopt the optimal correction mode under different conditions, and can accurately judge the heating module. The temperature is turned off, which improves the drying effect of the washing and drying machine. The first preset temperature threshold may be the lowest temperature of the cooling water temperature, for example, the first preset temperature threshold is 10 ° C, and the correction scheme of the shutdown temperature is optimal to improve the drying effect of the washing and drying machine. Of course, the first preset temperature threshold is not limited to the lowest temperature of the cooling water temperature, and may be other temperatures, such as experimental temperatures obtained by a person skilled in the art according to experiments under specific working conditions, or empirical experience. The temperature may be such that the boundary point between the first correction coefficient and the second correction coefficient determined by the first preset temperature threshold can satisfy the requirement of correcting the shutdown temperature.

Further, by setting the second preset temperature threshold, the conclusion of how to correct the shutdown temperature can be further given, so that the washing and drying machine can adopt the optimal correction mode under different conditions, and can accurately judge the closing of the heating module. The temperature improves the drying effect of the washing and drying machine. The setting of the second preset temperature threshold may be flexibly adjusted and set according to actual conditions, for example, the second preset temperature threshold is 25 ° C, as long as the first correction coefficient determined by the second preset temperature threshold is met. The boundary point of the second correction coefficient can satisfy the requirement of correcting the shutdown temperature.

Further, by setting the third preset temperature threshold, the conclusion of how to correct the shutdown temperature can be further given, so that the washing and drying machine can adopt the optimal correction mode under different conditions, and can accurately judge the closing of the heating module. The temperature improves the drying effect of the washing and drying machine. After the inventor repeatedly tests, observes, analyzes and compares, it is determined that the third preset temperature threshold may be the highest temperature of the cooling water temperature, for example, the third preset temperature threshold is 35 ° C, and the correction scheme of the shutdown temperature is optimal to improve the washing. Drying machine drying effect. In practical applications, the actual value of the third preset temperature threshold is not limited to the maximum temperature of the cooling water temperature, and can be derived by a person skilled in the art based on experiments or experience.

It should be further noted that the opening temperature of the heating module can also be corrected by using the above method, as long as at least one of the first correction coefficient and the second correction coefficient corresponding to the opening temperature and the first correction coefficient corresponding to the closing temperature are made. And at least one of the second correction coefficients are different from each other such that the corrected opening temperature is less than the corrected closing temperature. Of course, it is also possible to set the opening temperature of the heating module to a fixed value. The above two options can be selected according to actual use requirements.

Preferably, if the cooling water temperature T _{1 is} less than or equal to 10 ° C (the first preset temperature threshold), the first correction coefficient a corresponding to the closing temperature T _off is 0, and the second correction coefficient b is 170, that is, T _off = 170 ° C.

Preferably, if the cooling water temperature T _{1 is} greater than 10 ° C and less than or equal to 25 ° C (second preset temperature threshold), the first correction coefficient a corresponding to the closing temperature T _off is -2, and the second correction coefficient b is 170, that is, T _off = -2 × T _{1 +} 170.

Preferably, if the cooling water temperature T _{1 is} greater than 25 ° C and less than or equal to 35 ° C (third preset temperature threshold), the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are respectively -0.5 And 132.5 ° C, that is, T _off = -0.5 × T ₁ + 132.5 ° C.

Preferably, if the cooling water temperature T _{1 is} greater than 35 ° C, the first correction coefficient a corresponding to the closing temperature T _off is 0, and the second correction coefficient b is 115, that is, T _off = 115 ° C.

Of course, the value of the first correction coefficient and the value of the second correction coefficient are not limited to the values of the above examples, and those skilled in the art can flexibly adjust in actual operation as long as the temperature of the cooling water is less than or equal to the first pre-condition. when the set temperature threshold T _off shutdown temperature remains constant, when the cooling water temperature is less than or equal to a second predetermined temperature threshold, a shutdown temperature T _off and the cooling water temperature T ₁ is inversely proportional to, when the cooling water temperature is less than or equal to the When the temperature threshold is preset, the temperature T _off is inversely proportional to the temperature T ₁ of the cooling water. When the temperature of the cooling water is greater than the third preset temperature threshold, the temperature T _{off is} kept unchanged.

Referring to FIG. 2, FIG. 2 is a flowchart of a control method according to an embodiment of the first embodiment of the present invention.

As shown in FIG. 2, in a possible implementation manner, the complete process of the control method of the washer-dryer of the present invention may be:

S1, detecting the cooling water temperature of the condensing module when the heating module is turned on;

S21. Comparing the temperature of the cooling water with 10 ° C (the first preset temperature threshold);

S221, determining whether the temperature of the cooling water is less than or equal to 10 ° C;

S222, if the cooling water temperature is less than or equal to 10 ° C, the heating module closing temperature T _off = 170 ° C;

S223. If no, determine whether the temperature of the cooling water is less than or equal to 25 ° C (second preset temperature threshold);

S224, if the cooling water temperature is less than or equal to 25 ° C, the heating module closing temperature T _off = -2 × T _{1 +} 170;

S225. If no, determine whether the temperature of the cooling water is less than or equal to 35 ° C (the third preset temperature threshold);

S226, if the cooling water temperature is less than or equal to 35 ° C, the heating module closing temperature T _off = -0.5 × T ₁ + 132.5;

S227, if the cooling water temperature is greater than 35 ° C, the heating module closing temperature T _off = 115 ° C;

S3. Turn off the heating module according to the corrected shutdown temperature _Toff .

Of course, in the specific implementation test, the temperature of the cooling water can be compared with 35 ° C, and it is determined whether to compare with 25 ° C or 10 ° C according to the comparison result with 35 ° C, and the implementation is the same as the embodiment listed in the above example. Try similar, not to repeat them here.

It should be noted that the above embodiments are only a preferred embodiment of the present invention, and are only used to explain the principle of the method of the present invention, and are not intended to limit the scope of protection of the present invention. In practical applications, those skilled in the art The above-described function allocation can be completed by different steps as needed, that is, the steps in the embodiment of the present invention are further decomposed or combined. For example, the steps of the above embodiments may be combined into one step, or may be further split into multiple sub-steps to perform all or part of the functions described above. The names of the steps involved in the embodiments of the present invention are merely for distinguishing the various steps and are not to be construed as limiting the present invention.

Embodiment 2

Based on the technical problems raised in the background art, the present invention provides a control method for a washing and drying machine, which aims to correct the closing temperature of the heating module according to the ambient temperature, and greatly reduces the detection error of the temperature sensor to determine the closing temperature. The accuracy of the effect can accurately determine the closing temperature of the heating module, thereby accurately controlling the closing of the heating module, avoiding the situation that the laundry has not been dried and the drying process has ended prematurely, and the washing and drying is improved. The drying effect of the machine, thereby improving the user experience.

4 is a flowchart of a control method according to a second embodiment of the present invention; FIG. 5 is a flowchart of a control method according to an embodiment of the second embodiment of the present invention; The frame of the washing and drying machine. As shown in FIG. 4, the control method of the present invention includes the following steps:

S1, detecting the ambient temperature when the heating module is turned on;

S2, correcting the shutdown temperature of the heating module according to the ambient temperature;

S3. Selectively turn off the heating module according to the corrected shutdown temperature.

Preferably, the ambient temperature is the average temperature of the environment measured within a preset time threshold. For example, the preset time threshold is 1 min. Of course, the preset time threshold is not limited to the time of the above example. A person skilled in the art can flexibly adjust the preset time threshold in practical applications, as long as the ambient temperature is determined by the preset time threshold. Ask for it.

In another aspect, the present invention also provides a washing and drying machine, as shown in FIG. 6, the washing and drying machine comprises a casing, a laundry treatment cylinder disposed in the casing, a heating module, a blowing module, a temperature sensor, a temperature correction module and a control module, the heating module is disposed in the outer casing for heating the air; the heating module is connected to the laundry treatment cylinder through the air supply module to transport the hot air heated by the heating module into the laundry treatment cylinder to process the laundry treatment cylinder The clothes are dried; the temperature sensor is disposed outside the outer casing for detecting the ambient temperature; the temperature correction module is disposed on the control module for correcting the closing temperature of the heating module according to the ambient temperature detected by the temperature sensor; the control module is disposed at On the housing, it controls the closing of the heating module based on the corrected shutdown temperature. Of course, the actual installation position of the heating module, the air supply module, the temperature sensor, the temperature correction module, and the control module is not limited to the above-mentioned exemplary installation position, and those skilled in the art can flexibly set the heating module and the air supply module in practical applications. The actual installation position of the temperature sensor, the temperature correction module and the control module can be corrected by the mutual cooperation of the heating module, the air supply module, the temperature sensor, the temperature correction module and the control module.

Preferably, the heating module is a heating tube, a heating fan, a heater, and the like, and details are not described herein.

Preferably, the air supply module is a fan, and may be other structures, and details are not described herein again.

Preferably, the temperature sensor is an infrared temperature sensor, or other types of sensors, such as a radio frequency sensor, etc., in order to detect the ambient temperature. It should be noted that the method of detecting the ambient temperature should not limit the invention.

Preferably, the temperature correction module is designed by computer software to correct the temperature data of the temperature sensor according to the preset temperature threshold, and the corrected temperature data is provided to the control module.

Preferably, the control module is capable of recognizing the ambient temperature detected by the temperature sensor, and controlling the temperature correction module to correct the shutdown temperature of the heating module according to the detected ambient temperature. The control module may be a control module of the washing and drying machine itself, or may be an additional control module or other mobile terminal, and details are not described herein again.

In the above step S2, the step of “correcting the shutdown temperature of the heating module according to the ambient temperature” specifically includes:

S21. Comparing the ambient temperature with a preset temperature threshold;

S22. Correct the shutdown temperature according to a comparison result between the ambient temperature and the preset temperature threshold.

By adopting the above control method, the closing temperature of the heating module can be accurately corrected, thereby accurately controlling the closing of the heating module, avoiding the situation that the laundry has not been dried and the drying process has ended prematurely, and the washing and drying machine is improved. The drying effect enhances the user experience.

Further, in the above step S22, the step of "correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold" specifically includes: correcting the shutdown temperature according to the following equation:

T _off = a × T ₁ + b

Where T _off : the temperature is turned off;

T ₁ : ambient temperature;

a: first correction factor;

b: second correction factor.

The magnitudes of the first correction coefficient a and the second correction coefficient b depend on the magnitude of the ambient temperature T ₁ .

In the above step, the preset temperature threshold includes a first preset temperature threshold, a second preset temperature threshold, and a third preset temperature threshold; wherein the first preset temperature threshold is less than the second preset temperature threshold, the second pre- Let the temperature threshold be less than the third preset temperature threshold.

Preferably, in the above step S22, the step of “correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold” further includes:

S221: Determine whether the ambient temperature T ₁ is less than or equal to a first preset temperature threshold;

S222, if the ambient temperature T ₁ is less than or equal to a first predetermined threshold temperature, the shutdown temperature T _off remain unchanged;

S223, determining whether the ambient temperature T ₁ is greater than a first predetermined temperature threshold and less than or equal to a second predetermined temperature threshold;

S224. If the ambient temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the shutdown temperature T _off is inversely proportional to the ambient temperature T ₁ ;

S225, determining whether the ambient temperature T ₁ greater than the second predetermined temperature threshold and less than or equal to the third predetermined temperature threshold;

S226. If the ambient temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, the shutdown temperature T _off is inversely proportional to the ambient temperature T ₁ ;

S227, if the ambient temperature T ₁ is greater than the third predetermined temperature threshold T _off the shutdown temperature remains constant.

Specifically, in the above step S222, if the ambient temperature T _{1 is} less than or equal to the first preset temperature threshold, the ambient temperature is low, and the accuracy of the temperature sensor detection is not affected, and the heating module can be accurately determined. When it is turned off, the shutdown temperature T _{off is} set to remain unchanged, that is, the shutdown temperature T _off does not change with changes in ambient temperature.

Preferably, in the above step S224, if the ambient temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, indicating that the ambient temperature is high, the accuracy of the temperature sensor detection may be affected, and the accuracy may not be accurately Judging whether it is necessary to turn off the heating module, the closing temperature T _{off is} set to be inversely proportional to the ambient temperature T ₁ , so that the closing temperature T _off decreases as the ambient temperature increases, so as to lower the closing temperature of the heating module and avoid the clothing. The drying process has not been dried and the drying process has ended prematurely, which improves the drying effect of the washing and drying machine, thereby improving the user experience.

Preferably, in the above step S226, if the ambient temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, indicating that the ambient temperature is high, the accuracy of the temperature sensor detection may be affected, and the accuracy may not be accurately Judging whether it is necessary to turn off the heating module, the closing temperature T _{off is} set to be inversely proportional to the ambient temperature T ₁ such that the closing temperature T _off decreases as the ambient temperature increases to lower the closing temperature of the heating module and avoid the clothing. The drying process has not been dried yet, and the drying process has already ended prematurely, which improves the drying effect of the washing and drying machine, thereby improving the user experience.

Preferably, the above-described step S227, if the ambient temperature T ₁ is greater than the third predetermined temperature threshold value, indicating that the ambient temperature is too high, resulting in greatly influence on the accuracy of the temperature sensor can not accurately determine whether the heating module is closed, The closing temperature T _{off is} set to remain unchanged, that is, the closing temperature T _off does not change with the change of the ambient temperature, avoiding the situation that the laundry has not been dried and the drying process has ended prematurely, and the washing is improved. The drying effect of the all-in-one machine further enhances the user experience.

In the above process, by setting the first preset temperature threshold, the conclusion of how to correct the shutdown temperature can be further given, so that the washing and drying machine can adopt the optimal correction mode under different conditions, and can accurately judge the heating module. The temperature is turned off, which improves the drying effect of the washing and drying machine. The first preset temperature threshold may be the lowest temperature of the ambient temperature, for example, the first preset temperature threshold is 10 ° C, and the correction scheme of the shutdown temperature is optimal to improve the drying effect of the washing and drying machine. Of course, the first preset temperature threshold is not limited to the lowest temperature of the ambient temperature, and may be other temperatures, such as experimental temperatures obtained by a person skilled in the art according to experiments under specific working conditions, or empirical temperatures derived from experience. As long as the boundary point between the first correction coefficient and the second correction coefficient determined by the first preset temperature threshold is satisfied, the requirement for correcting the shutdown temperature can be satisfied.

Further, by setting the second preset temperature threshold, the conclusion of how to correct the shutdown temperature can be further given, so that the washing and drying machine can adopt the optimal correction mode under different conditions, and can accurately judge the closing of the heating module. The temperature improves the drying effect of the washing and drying machine. The setting of the second preset temperature threshold may be flexibly adjusted and set according to actual conditions, for example, the second preset temperature threshold is 25 ° C, as long as the first correction coefficient determined by the second preset temperature threshold is met. The boundary point of the second correction coefficient can satisfy the requirement of correcting the shutdown temperature.

Further, by setting the third preset temperature threshold, the conclusion of how to correct the shutdown temperature can be further given, so that the washing and drying machine can adopt the optimal correction mode under different conditions, and can accurately judge the closing of the heating module. The temperature improves the drying effect of the washing and drying machine. After the inventor repeatedly tests, observes, analyzes and compares, it is determined that the third preset temperature threshold may be the highest temperature of the ambient temperature, for example, the third preset temperature threshold is 35 ° C, and the correction scheme of the shutdown temperature is optimal to improve the washing. The drying effect of the one machine. In practical applications, the actual value of the third preset temperature threshold is not limited to the highest temperature of the ambient temperature, and can be derived by a person skilled in the art based on experiments or experience.

It should be further noted that the opening temperature of the heating module can also be corrected by using the above method, as long as at least one of the first correction coefficient and the second correction coefficient corresponding to the opening temperature and the first correction coefficient corresponding to the closing temperature are made. And at least one of the second correction coefficients are different from each other such that the corrected opening temperature is less than the corrected closing temperature. Of course, it is also possible to set the opening temperature of the heating module to a fixed value. The above two options can be selected according to actual use requirements.

Preferably, if the ambient temperature T _{1 is} less than or equal to 10 ° C (the first preset temperature threshold), the first correction coefficient a corresponding to the shutdown temperature T _off is 0, and the second correction coefficient b is 150, that is, T _off = 150 ° C.

Preferably, if the ambient temperature T _{1 is} greater than 10 ° C and less than or equal to 25 ° C (second preset temperature threshold), the first correction coefficient a corresponding to the shutdown temperature T _off is -2, and the second correction coefficient b is 170. That is, T _off = -2 × T ₁ +170.

Preferably, if the ambient temperature T _{1 is} greater than 25 ° C and less than or equal to 35 ° C (third preset temperature threshold), the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are respectively -0.5 and 132.5 ° C, ie T _off = -0.5 × T ₁ + 132.5 ° C.

Preferably, if the ambient temperature T _{1 is} greater than 35 ° C, the first correction coefficient a corresponding to the shutdown temperature T _off is 0, and the second correction coefficient b is 115, that is, T _off = 115 ° C.

Certainly, the value of the first correction coefficient and the value of the second correction coefficient are not limited to the values of the foregoing examples, and those skilled in the art can flexibly adjust in actual operation as long as the ambient temperature is less than or equal to the first preset. when the temperature threshold T _off shutdown temperature remains constant, when the ambient temperature is less than or equal to the second predetermined temperature threshold, and the close ambient temperature T _off inversely proportional to temperature T _1, when the ambient temperature is less than or equal to the third preset temperature threshold, and the close ambient temperature T _off inversely proportional to temperature T _1, when the ambient temperature is greater than a third predetermined threshold temperature, the temperature T _off off requirements can be kept constant.

Referring to FIG. 5, FIG. 5 is a flowchart of a control method according to an embodiment of the second embodiment of the present invention.

As shown in FIG. 5, in a possible implementation manner, the complete process of the control method of the washer-dryer of the present invention may be:

S1, detecting the ambient temperature when the heating module is turned on;

S21. Comparing the ambient temperature with 10 ° C (the first preset temperature threshold);

S221, determining whether the ambient temperature is less than or equal to 10 ° C;

S222, if the ambient temperature is less than or equal to 10 ° C, the heating module closing temperature T _off = 150 ° C;

S223. If no, determine whether the ambient temperature is less than or equal to 25 ° C (second preset temperature threshold);

S224, if the ambient temperature is less than or equal to 25 ° C, the closing temperature of the heating module T _off = -2 × T _{1 +} 170;

S225. If no, determine whether the ambient temperature is less than or equal to 35 ° C (the third preset temperature threshold);

S226, if the ambient temperature is less than or equal to 35 ° C, the heating module closing temperature T _off = -0.5 × T ₁ +132.5;

S227, if the ambient temperature is greater than 35 ° C, the heating module closing temperature T _off = 115 ° C;

S3. Turn off the heating module according to the corrected shutdown temperature _Toff .

Of course, in the specific implementation test, the ambient temperature can be compared with 35 ° C, and the comparison with 35 ° C can be used to determine whether to compare with 25 ° C or 10 ° C. Similar, I will not repeat them here.

It should be noted that the above embodiments are only a preferred embodiment of the present invention, and are only used to explain the principle of the method of the present invention, and are not intended to limit the scope of protection of the present invention. In practical applications, those skilled in the art The above-described function allocation can be completed by different steps as needed, that is, the steps in the embodiment of the present invention are further decomposed or combined. For example, the steps of the above embodiments may be combined into one step, or may be further split into a plurality of sub-steps to perform all or part of the functions described above. The names of the steps involved in the embodiments of the present invention are merely for distinguishing the various steps and are not to be construed as limiting the present invention.

Embodiment 3

Based on the technical problems raised in the background art, the present invention provides a control method for a washing and drying machine, which aims to correct the closing temperature of the heating module according to the ambient temperature and the cooling water temperature, thereby greatly reducing the detection error of the temperature sensor. The influence of the accuracy of the shutdown temperature determination can accurately determine the closing temperature of the heating module, thereby accurately controlling the closing of the heating module, avoiding the situation that the laundry has not been dried and the drying process has ended prematurely, thereby improving The drying effect of the washing and drying machine improves the user experience.

7 is a flowchart of a control method according to Embodiment 3 of the present invention; FIG. 8 is a flowchart 1 of a control method according to Embodiment 3 of the present invention; FIG. 9 is a control method of Embodiment 3 of the present invention; FIG. 10 is a flow chart 3 of a control method according to a third embodiment of the present invention; and FIG. 11 is a schematic view of a frame of the washing and drying machine according to the third embodiment of the present invention. As shown in FIG. 7, the control method of the present invention includes the following steps:

S1, detecting the ambient temperature and the cooling water temperature of the condensing module when the heating module is turned on;

S2, correcting the shutdown temperature of the heating module according to the ambient temperature and the cooling water temperature;

S3. Selectively turn off the heating module according to the corrected shutdown temperature.

Preferably, the ambient temperature is an average temperature of the environment measured within the first preset time threshold, for example, the first preset time threshold is 1 min; and the cooling water temperature is an average of the measured cooling water within the second preset time threshold. The temperature, for example, the second preset time threshold is 1 min. Certainly, the first preset time threshold and the second preset time threshold are not limited to the times of the foregoing example, and a person skilled in the art may flexibly adjust the first preset time threshold and the second preset time threshold in an actual application, as long as the content is satisfied. The requirements of the ambient temperature and the cooling water temperature may be determined by the first preset time threshold and the second preset time threshold.

In another aspect, the present invention further provides a washing and drying machine, as shown in FIG. 11, the washing and drying machine comprises a casing, a laundry treatment cylinder disposed in the casing, a condensation module, a heating module, a blowing module, An ambient temperature sensor, a water temperature sensor, a temperature correction module and a control module, wherein the heating module is disposed in the outer casing for heating the air; the condensation module is disposed in the outer casing for condensing the high temperature and high humidity steam generated during the drying process; The heating module is connected to the laundry treatment cylinder through the air supply module to transport the hot air heated by the heating module into the laundry treatment cylinder to dry the laundry in the laundry treatment cylinder; the ambient temperature sensor is disposed outside the outer casing for detecting the ambient temperature; The water temperature sensor is disposed in the electromagnetic valve of the washing and drying machine for detecting the temperature of the cooling water; the temperature correction module is disposed on the control module for correcting the closing temperature of the heating module according to the temperature of the cooling water detected by the temperature sensor; The module is placed on the housing and controls the closing of the heating module based on the corrected shutdown temperature. Of course, the actual installation position of the heating module, the air supply module, the ambient temperature sensor, the water temperature sensor, the temperature correction module, and the control module is not limited to the above-mentioned exemplary installation position, and those skilled in the art can flexibly set the heating module in practical applications. The actual installation position of the air supply module, the ambient temperature sensor, the water temperature sensor, the temperature correction module, and the control module can be corrected and closed by the cooperation of the heating module, the air supply module, the ambient temperature sensor, the water temperature sensor, the temperature correction module, and the control module. The temperature is OK.

Preferably, the condensing module is a condenser, a condenser, and the like, and details are not described herein.

Preferably, the heating module is a heating tube, a heating fan, a heater, and the like, and details are not described herein.

Preferably, the air supply module is a fan, and may be other structures, and details are not described herein again.

Preferably, the ambient temperature sensor, the water temperature sensor is an infrared temperature sensor, or other types of sensors, such as a radio frequency sensor, etc., in order to detect the ambient temperature and the cooling water temperature, and the method for detecting the ambient temperature and the cooling water temperature is described. The present invention should not be limited.

Preferably, the temperature correction module is designed by computer software to correct the temperature data of the temperature sensor according to the preset temperature threshold, and the corrected temperature data is provided to the control module.

Preferably, the control module is capable of identifying the temperature of the cooling water detected by the temperature sensor, and controlling the temperature correction module to correct the closing temperature of the heating module according to the detected temperature of the cooling water. The control module may be a control module of the washing and drying machine itself, or may be an additional control module or other mobile terminal, and details are not described herein again.

In the above step S2, the step of "correcting the shutdown temperature of the heating module according to the ambient temperature and the cooling water temperature" specifically includes:

S21. Comparing the ambient temperature and the cooling water temperature with a preset temperature threshold;

S22. Correct the shutdown temperature according to a comparison result between the ambient temperature and the cooling water temperature and the preset temperature threshold.

By adopting the above control method, the closing temperature of the heating module can be accurately corrected, thereby accurately controlling the closing of the heating module, avoiding the situation that the laundry has not been dried and the drying process has ended prematurely, and the washing and drying machine is improved. The drying effect enhances the user experience.

Further, in the above step S22, the step of "correcting the shutdown temperature according to the comparison result between the ambient temperature and the cooling water temperature and the preset temperature threshold" specifically includes: correcting the shutdown temperature according to the following equation:

T _off = a × T ₁ + b × T ₂ + c × T ₁ × T ₂ + d

Where T _off : the temperature is turned off;

T ₁ : ambient temperature;

T ₂ : cooling water temperature;

a: first correction factor;

b: second correction factor;

c: third correction factor;

d: fourth correction factor.

The magnitudes of the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d depend on the magnitude of the ambient temperature T ₁ and the cooling water temperature T ₂ .

In the above step, the preset temperature threshold includes a first preset ambient temperature threshold, a second preset ambient temperature threshold, a first preset cooling water temperature threshold, and a second preset cooling water temperature threshold; wherein the first preset The ambient temperature threshold is less than the second preset ambient temperature threshold, and the first preset cooling water temperature threshold is less than the second preset cooling water temperature threshold.

Preferably, in the above step S22, the step of “correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold” further includes:

S221, determining whether the ambient temperature T ₁ is less than or equal to a first predetermined threshold temperature, the cooling water temperature T ₂ is less than or equal to a first predetermined threshold cooling water temperature;

S222, if the ambient temperature T ₁ is less than or equal to a first predetermined threshold value and the ambient temperature of the cooling water temperature T ₂ is less than or equal to a first predetermined threshold cooling water temperature, the shutdown temperature T _off remains unchanged;

S223, determining whether the ambient temperature T ₁ is less than or equal to a first predetermined threshold value and the ambient temperature of the cooling water temperature T ₂ is greater than a first predetermined threshold cooling water temperature;

S224, if the ambient temperature T ₁ is less than or equal to the threshold value and the ambient temperature of the cooling water temperature T ₂ is greater than the first predetermined threshold cooling water temperature, and the close ambient temperature T _off and the cooling water temperature T ₁ as a first predetermined temperature T ₂ Anti-proportional relationship;

S225, determining whether the ambient temperature T ₁ is greater than a first predetermined threshold value and the ambient temperature is less than or equal to a second predetermined temperature threshold;

S226. If the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the shutdown temperature T _off is inversely proportional to the ambient temperature T ₁ and the cooling water temperature T ₂ ;

S227, determining whether the ambient temperature T ₁ greater than the second predetermined threshold value and the ambient temperature of the cooling water temperature T ₂ is less than or equal to a second predetermined threshold cooling water temperature;

S228, if the ambient temperature T ₁ is greater than the second predetermined threshold value and the ambient temperature of the cooling water temperature T ₂ is less than or equal to a second predetermined threshold cooling water temperature, the shutdown temperature T _off with ambient temperature T ₁ and the cooling water temperature T ₂ was Anti-proportional relationship;

S229, determining whether the ambient temperature T ₁ greater than the second predetermined threshold value and the ambient temperature of the cooling water temperature T ₂ is greater than a second predetermined threshold cooling water temperature;

S230, if the ambient temperature T ₁ is greater than the second predetermined threshold value and the ambient temperature of the cooling water temperature T ₂ is greater than the second predetermined threshold cooling water temperature, the shutdown temperature T _off remains unchanged.

Specifically, in the above step S222, if the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, the ambient temperature and the cooling water temperature are both Lower, does not affect the accuracy of the temperature sensor detection, can accurately determine whether the heating module needs to be turned off, the closing temperature T _{off is} set to remain unchanged, that is, the closing temperature T _off does not vary with the ambient temperature T ₁ It changes with the change of the cooling water temperature T ₂ .

Preferably, in step S224, if the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold, it indicates that although the ambient temperature T _{1 is} lower, the cooling is performed. The water temperature T _{2 is} high, which affects the accuracy of the temperature sensor detection. If it is not possible to accurately determine whether the heating module needs to be turned off, the shutdown temperature T _{off is} set to be inversely proportional to the ambient temperature T ₁ and the cooling water temperature T ₂ . , so that the closing temperature T _off decreases with the increase of the ambient temperature T ₁ and the cooling water temperature T ₂ to reduce the closing temperature of the heating module, and avoids the situation that the laundry has not been dried and the drying process has ended prematurely. The drying effect of the washing and drying machine is improved, thereby improving the user experience.

Preferably, in the above step S226, if the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the ambient temperature is higher, regardless of whether the temperature of the cooling water is higher or lower. Both of them affect the accuracy of the temperature sensor detection, and it is impossible to accurately determine whether the heating module needs to be turned off. The shutdown temperature T _{off is} set to be inversely proportional to the ambient temperature T ₁ and the cooling water temperature T ₂ so that the shutdown temperature T _off The ambient temperature T ₁ and the cooling water temperature T ₂ are lowered to reduce the closing temperature of the heating module, thereby avoiding the fact that the laundry has not been dried and the drying process has ended prematurely, thereby improving the washing and drying machine. The drying effect improves the user experience.

Preferably, in the above step S228, if the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the second preset cooling water temperature threshold, the ambient temperature is too high, and the temperature of the cooling water is Higher, it will affect the accuracy of the temperature sensor detection, can not accurately determine whether the heating module needs to be closed, the closing temperature T _{off is} set to be inversely proportional to the ambient temperature T ₁ and the cooling water temperature T ₂ , so that the temperature T is closed. _Off decreases with the increase of the ambient temperature T ₁ and the cooling water temperature T ₂ to reduce the closing temperature of the heating module, avoiding the fact that the laundry has not been dried and the drying process has ended prematurely, thereby improving the washing and drying The drying effect of the machine, thereby improving the user experience.

Preferably, in the above step S230, if the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold, the ambient temperature and the cooling water temperature are both too high, The accuracy of the temperature sensor detection greatly affects whether it is impossible to accurately determine whether the heating module needs to be turned off, and the shutdown temperature T _{off is} set to remain unchanged, that is, the shutdown temperature T _off does not vary with the ambient temperature T ₁ and the cooling water temperature. The change of T ₂ changes, avoiding the situation that the clothes have not been dried and the drying process has ended prematurely, which improves the drying effect of the washing and drying machine, thereby improving the user experience.

In the above process, by setting the first preset ambient temperature threshold and the first preset cooling water temperature threshold, the conclusion of how to correct the shutdown temperature can be further given, so that the washing and drying machine can adopt the optimal in different situations. The correction mode can accurately judge the closing temperature of the heating module and improve the drying effect of the washing and drying machine. The first preset ambient temperature threshold may be the lowest temperature of the ambient temperature, and the first preset cooling water temperature threshold may be the lowest temperature of the cooling water temperature, for example, the first preset ambient temperature threshold is 10 ° C, the first preset The cooling water temperature threshold is 10 ° C, and the correction scheme of the shutdown temperature is optimal to improve the drying effect of the washing and drying machine. Certainly, the first preset ambient temperature threshold and the first preset cooling water temperature threshold are not limited to the temperature exemplified above, and may be other temperatures, such as experimental temperatures obtained by a person skilled in the art according to experiments under specific working conditions, or The empirical temperature obtained according to experience, as long as the first correction coefficient, the second correction coefficient, the third correction coefficient, and the fourth correction coefficient are determined by the first preset ambient temperature threshold and the first preset cooling water temperature threshold. The demarcation point can meet the requirements for correcting the shutdown temperature.

Further, by setting the second preset ambient temperature threshold and the second preset cooling water temperature threshold, the conclusion of how to correct the shutdown temperature can be further given, so that the washing and drying machine can adopt the optimal correction under different conditions. The mode can accurately judge the closing temperature of the heating module and improve the drying effect of the washing and drying machine. The setting of the second preset ambient temperature threshold and the second preset cooling water temperature threshold may be flexibly adjusted and set according to actual conditions, for example, the second preset ambient temperature threshold is 35 ° C, and the second preset cooling The water temperature threshold is 35 ° C, as long as the boundary point between the first correction coefficient and the second correction coefficient determined by the second preset ambient temperature threshold and the second preset cooling water temperature threshold can meet the requirement of correcting the shutdown temperature. .

It should be further noted that the opening temperature of the heating module may also be corrected by using the above method, as long as at least one of the first correction coefficient, the second correction coefficient, the third correction coefficient, and the fourth correction coefficient corresponding to the opening temperature is made. At least one of the first correction coefficient, the second correction coefficient, the third correction coefficient, and the fourth correction coefficient corresponding to the shutdown temperature is different from each other such that the corrected on-temperature is less than the corrected shutdown temperature. Of course, it is also possible to set the opening temperature of the heating module to a fixed value. The above two options can be selected according to actual use requirements.

Preferably, if the ambient temperature T _{1 is} less than or equal to 10 ° C (first preset ambient temperature threshold) and the cooling water temperature T _{2 is} less than or equal to 10 ° C (first preset cooling water temperature threshold), corresponding to the shutdown temperature T The first correction coefficient a of _off is 0, the second correction coefficient b is 0, the third correction coefficient c is 0, and the fourth correction coefficient d is 170, that is, T _off = 170 °C.

Preferably, if the ambient temperature T _{1 is} less than or equal to 10 ° C, the cooling water temperature T _{2 is} greater than 10 ° C and less than or equal to 35 ° C (second preset cooling water temperature threshold), then the first correction corresponding to the shutdown temperature T _off The coefficient a is -0.2, the second correction coefficient b is -0.2, the third correction coefficient c is 0, and the fourth correction coefficient d is 170, that is, T _off = -0.2 × T _{1 -} 0.2 × T _{2 +} 170.

Preferably, if the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold, the first correction coefficient a corresponding to the shutdown temperature T _off is -0.1 The second correction coefficient b is -0.3, the third correction coefficient c is 0, and the fourth correction coefficient d is 160, that is, T _off = -0.1 × T _{1 -} 0.3 × T _{2 +} 160.

Preferably, if the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, corresponding to the shutdown temperature The first correction coefficient a of T _off is -0.3, the second correction coefficient b is -0.1, the third correction coefficient c is 0, and the fourth correction coefficient d is 160, that is, T _off = -0.3 × T ₁ -0.1 × T ₂ +160.

Preferably, if the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold and less than or equal to the second preset The cooling water temperature threshold is such that the first correction coefficient a corresponding to the closing temperature T _off is -0.3, the second correction coefficient b is -0.3, the third correction coefficient c is 0, and the fourth correction coefficient d is 150, that is, T _off = -0.3 × T _{1 -} 0.3 × T _{2 +} 150.

Preferably, if the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold, corresponding to the shutdown temperature T _off The first correction coefficient a is -0.4, the second correction coefficient b is -0.2, the third correction coefficient c is 0, and the fourth correction coefficient d is 140, that is, T _off = -0.4 × T ₁ -0.2 × T ₂ + 140.

Preferably, if the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, the first correction coefficient a corresponding to the shutdown temperature T _off is -0.3 The second correction coefficient b is -0.1, the third correction coefficient c is 0, and the fourth correction coefficient d is 160, that is, T _off = -0.3 × T _{1 -} 0.1 × T _{2 +} 160.

Preferably, if the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold, the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold and less than or equal to the second preset cooling water temperature threshold, corresponding to the shutdown temperature T The first correction coefficient a of _off is -0.4, the second correction coefficient b is -0.2, the third correction coefficient c is 0, and the fourth correction coefficient d is 140, that is, T _off = -0.4 × T _{1 -} 0.2 × T ₂ +140.

Preferably, if the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold, the first correction coefficient a corresponding to the shutdown temperature T _off is 0, the second The correction coefficient b is 0, the third correction coefficient c is 0, and the fourth correction coefficient d is 110, that is, T _off = 110 °C.

Of course, the values of the first correction coefficient, the second correction coefficient, the third correction coefficient, and the fourth correction coefficient are not limited to the values of the above examples, and those skilled in the art can flexibly adjust in actual operations.

Referring next to Fig. 8, Fig. 8 is a flow chart showing a control method of the first embodiment of the present invention.

As shown in FIG. 8, in a possible implementation manner, the flow of the control method of the washer-dryer of the present invention may be:

S1, detecting the ambient temperature and the cooling water temperature of the condensing module when the heating module is turned on;

S21. Comparing the ambient temperature with 10 ° C (the first preset ambient temperature threshold);

S2211, determining whether the ambient temperature is less than or equal to 10 ° C;

S2212, if yes, determining whether the temperature of the cooling water is less than or equal to 10 ° C;

S222, if the cooling water temperature T _{2 is} less than or equal to 10 ° C (first preset cooling water temperature threshold), the heating module closing temperature T _off = 170 ° C;

S2231, if not, determining whether the cooling water temperature is less than or equal to 35 ° C (second preset cooling water temperature threshold);

S2241, if the cooling water temperature is less than or equal to 35 ° C, the closing temperature of the heating module T _off = -0.2 × T ₁ -0.2 × T ₂ +170;

S2242, if the cooling water temperature is greater than 35 ° C, the heating module closing temperature T _off = -0.1 × T ₁ -0.3 × T ₂ +160;

S3. Turn off the heating module according to the corrected shutdown temperature _Toff .

In the above embodiment, if the ambient temperature is greater than 10 ° C, as shown in Figure 9:

S1, detecting the ambient temperature and the cooling water temperature of the condensing module when the heating module is turned on;

S21. Comparing the ambient temperature with 10 ° C (the first preset ambient temperature threshold);

S2211, determining whether the ambient temperature is less than or equal to 10 ° C;

S2251, if not, determining whether the ambient temperature is less than or equal to 35 ° C (second preset ambient temperature threshold);

S2261, if yes, determining whether the temperature of the cooling water is less than or equal to 10 ° C;

S2262, if the cooling water temperature T _{2 is} less than or equal to 10 ° C, the closing temperature of the heating module T _off = -0.3 × T ₁ -0.1 × T ₂ +160;

S2263, if not, determining whether the cooling water temperature is less than or equal to 35 ° C (second preset cooling water temperature threshold);

S2264, if the cooling water temperature is less than or equal to 35 ° C, the heating module closing temperature T _off = -0.3 × T ₁ -0.3 × T ₂ +150;

S2265, if the cooling water temperature is greater than 35 ° C, the heating module closing temperature T _off = -0.4 × T ₁ -0.2 × T _{2 +} 140;

S3. Turn off the heating module according to the corrected shutdown temperature _Toff .

In the above embodiment, if the ambient temperature is greater than 35 ° C, as shown in Figure 10:

S1, detecting the ambient temperature and the cooling water temperature of the condensing module when the heating module is turned on;

S21. Comparing the ambient temperature with 35 ° C (the second preset ambient temperature threshold);

S2271, determining whether the ambient temperature is greater than 35 ° C;

S2272, if yes, determining whether the temperature of the cooling water is less than or equal to 10 ° C;

S2281, if the cooling water temperature T _{2 is} less than or equal to 10 ° C, the closing temperature of the heating module T _off = -0.3 × T ₁ -0.1 × T ₂ +160;

S2273, if not, determining whether the cooling water temperature is less than or equal to 35 ° C (second preset cooling water temperature threshold);

S2282, if the cooling water temperature is less than or equal to 35 ° C, the closing temperature of the heating module T _off = -0.4 × T ₁ -0.2 × T _{2 +} 140;

S230, if the cooling water temperature is greater than 35 ° C, the heating module closing temperature T _off = 110 ° C;

S3. Turn off the heating module according to the corrected shutdown temperature _Toff .

Of course, in the specific implementation test, the ambient temperature can also be compared with 35 ° C, and it is determined whether it is compared with 10 ° C according to the comparison result with 35 ° C. The implementation is similar to the implementation of the above-mentioned examples. This is not repeated. In addition, in practical applications, it is also possible to first determine the temperature of the cooling water, and then determine the ambient temperature, and also determine the cooling water temperature and the ambient temperature at the same time, and the determination order and the manner of the change do not deviate from the principle of the present invention. The scope should be limited to the scope of protection of the present invention.

It should be noted that the above embodiments are only a preferred embodiment of the present invention, and are only used to explain the principle of the method of the present invention, and are not intended to limit the scope of protection of the present invention. In practical applications, those skilled in the art The above-described function allocation can be completed by different steps as needed, that is, the steps in the embodiment of the present invention are further decomposed or combined. For example, the steps of the above embodiments may be combined into one step, or may be further split into multiple sub-steps to perform all or part of the functions described above. The names of the steps involved in the embodiments of the present invention are merely for distinguishing the various steps and are not to be construed as limiting the present invention.

Heretofore, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings, but it is obvious to those skilled in the art that the scope of the present invention is obviously not limited to the specific embodiments. Those skilled in the art can make equivalent changes or substitutions to the related technical features without departing from the principles of the present invention, and the technical solutions after the modifications or replacements fall within the scope of the present invention.

Claims (30)

A control method for a laundry treating apparatus, the laundry treating apparatus comprising a condensation module and a heating module, wherein the control method comprises the following steps: Detecting a cooling water temperature of the condensing module when the heating module is turned on; Correcting a shutdown temperature of the heating module according to the cooling water temperature; The heating module is selectively turned off based on the corrected shutdown temperature. The control method according to claim 1, wherein the step of: "correcting the shutdown temperature of the heating module according to the temperature of the cooling water" comprises: Comparing the cooling water temperature with a preset temperature threshold; The shutdown temperature is corrected based on a comparison result of the cooling water temperature and the preset temperature threshold. The control method according to claim 2, wherein the step of: "correcting the shutdown temperature according to a comparison result between the cooling water temperature and the preset temperature threshold" comprises: The shutdown temperature is corrected according to the following equation: T _off = a × T ₁ + b Wherein T _off is the shutdown temperature, T ₁ is the cooling water temperature, a is a first correction coefficient, and b is a second correction coefficient; The magnitudes of the first correction coefficient a and the second correction coefficient b depend on the magnitude of the cooling water temperature T ₁ . The control method according to claim 3, wherein the preset temperature threshold comprises a first preset temperature threshold, a second preset temperature threshold, and a third preset temperature threshold; The first preset temperature threshold is smaller than the second preset temperature threshold, and the second preset temperature threshold is smaller than the third preset temperature threshold. The control method according to claim 4, wherein the sizes of the first correction coefficient a and the second correction coefficient b are set such that: When the cooling water temperature T _{1 is} less than or equal to the first preset temperature threshold, the closing temperature T _off remains unchanged; When the cooling water temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the shutdown temperature T _off is inversely proportional to the cooling water temperature T ₁ ; When the cooling water temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, the shutdown temperature T _off is inversely proportional to the cooling water temperature T ₁ ; When the cooling water temperature T _{1 is} greater than the third preset temperature threshold, the closing temperature T _off remains unchanged. The control method according to claim 5, wherein the first preset temperature threshold is 10 ° C; The step of “correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold” specifically includes: If the cooling water temperature T _{1 is} less than or equal to the first preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are 0 and 170, respectively. The control method according to claim 5, wherein the first preset temperature threshold is 10 ° C, and the second preset temperature threshold is 25 ° C; The step of “correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold” specifically includes: If the cooling water temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the first correction coefficient a and the second correction coefficient corresponding to the shutdown temperature T _off b is -2 and 170 respectively. The control method according to claim 5, wherein the second preset temperature threshold is 25 ° C, and the third preset temperature threshold is 35 ° C; The step of “correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold” specifically includes: If the cooling water temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, the first correction coefficient a and the second correction coefficient corresponding to the shutdown temperature T _off b is -0.5 and 132.5, respectively. The control method according to claim 5, wherein the third preset temperature threshold is 35 ° C; The step of “correcting the shutdown temperature according to the comparison result of the cooling water temperature and the preset temperature threshold” specifically includes: If the cooling water temperature T _{1 is} greater than the third preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are 0 and 115, respectively. A laundry treating apparatus, comprising: a condensing module and a heating module, wherein the laundry treating apparatus further comprises: a temperature sensor for detecting a cooling water temperature of the condensing module when the heating module is turned on; a temperature correction module, configured to correct a shutdown temperature of the heating module according to a temperature of the cooling water detected by the temperature sensor; A control module that selectively turns off the heating module based on the corrected shutdown temperature. A control method for a laundry treating apparatus, the laundry treating apparatus comprising a heating module, wherein the control method comprises the following steps: In the case that the heating module is turned on, detecting an ambient temperature; Correcting a shutdown temperature of the heating module according to the ambient temperature; The heating module is selectively turned off based on the corrected shutdown temperature. The control method according to claim 11, wherein the step of: correcting the shutdown temperature of the heating module according to the ambient temperature comprises: Comparing the ambient temperature with a preset temperature threshold; The shutdown temperature is corrected based on a comparison result of the ambient temperature and the preset temperature threshold. The control method according to claim 12, wherein the step of: "correcting the shutdown temperature according to a comparison result of the ambient temperature and the preset temperature threshold" comprises: The shutdown temperature is corrected according to the following equation: T _off = a × T ₁ + b Where T _off is the shutdown temperature, T ₁ is the ambient temperature, a is a first correction factor, and b is a second correction factor; The magnitudes of the first correction coefficient a and the second correction coefficient b depend on the magnitude of the ambient temperature T ₁ . The control method according to claim 13, wherein the preset temperature threshold comprises a first preset temperature threshold, a second preset temperature threshold, and a third preset temperature threshold; The first preset temperature threshold is smaller than the second preset temperature threshold, and the second preset temperature threshold is smaller than the third preset temperature threshold. The control method according to claim 14, wherein the magnitudes of the first correction coefficient a and the second correction coefficient b are set such that: When the ambient temperature T _{1 is} less than or equal to the first preset temperature threshold, the shutdown temperature T _off remains unchanged; When the ambient temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the shutdown temperature T _off is inversely proportional to the ambient temperature T ₁ ; When the ambient temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, the shutdown temperature T _off is inversely proportional to the ambient temperature T ₁ ; When the ambient temperature T _{1 is} greater than the third preset temperature threshold, the shutdown temperature T _off remains unchanged. The control method according to claim 15, wherein the first preset temperature threshold is 10 ° C; The step of “correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold” specifically includes: If the ambient temperature T _{1 is} less than or equal to the first preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are 0 and 150, respectively. The control method according to claim 15, wherein the first preset temperature threshold is 10 ° C, and the second preset temperature threshold is 25 ° C; The step of “correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold” specifically includes: If the ambient temperature T _{1 is} greater than the first preset temperature threshold and less than or equal to the second preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off They are -2 and 170 respectively. The control method according to claim 15, wherein the second preset temperature threshold is 25 ° C, and the third preset temperature threshold is 35 ° C; The step of “correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold” specifically includes: If the ambient temperature T _{1 is} greater than the second preset temperature threshold and less than or equal to the third preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off They are -0.5 and 132.5 respectively. The control method according to claim 15, wherein the third preset temperature threshold is 35 ° C; The step of “correcting the shutdown temperature according to the comparison result of the ambient temperature and the preset temperature threshold” specifically includes: If the ambient temperature T _{1 is} greater than the third preset temperature threshold, the first correction coefficient a and the second correction coefficient b corresponding to the shutdown temperature T _off are 0 and 115, respectively. A laundry treating apparatus, comprising: a heating module, wherein the laundry treating apparatus further comprises: a temperature sensor for detecting an ambient temperature in a case where the heating module is turned on; a temperature correction module, configured to correct a shutdown temperature of the heating module according to an ambient temperature detected by the temperature sensor; A control module that selectively turns off the heating module based on the corrected shutdown temperature. A control method for a laundry treating apparatus, the laundry treating apparatus comprising a condensation module and a heating module, wherein the control method comprises the following steps: Detecting an ambient temperature and a cooling water temperature of the condensing module when the heating module is turned on; Correcting a shutdown temperature of the heating module according to the ambient temperature and the cooling water temperature; The heating module is selectively turned off based on the corrected shutdown temperature. The control method according to claim 21, wherein the step of: "correcting the shutdown temperature of the heating module according to the ambient temperature and the cooling water temperature" comprises: Comparing the ambient temperature and the cooling water temperature to a preset temperature threshold; The shutdown temperature is corrected based on a comparison of the ambient temperature and the cooling water temperature to the preset temperature threshold. The control method according to claim 22, wherein the step of: "correcting the shutdown temperature according to the comparison between the ambient temperature and the temperature of the cooling water and the preset temperature threshold" comprises: The shutdown temperature is corrected according to the following equation: T _off = a × T ₁ + b × T ₂ + c × T ₁ × T ₂ + d Where T _off is the shutdown temperature, T ₁ is the ambient temperature, T ₂ is the cooling water temperature, a is a first correction coefficient, b is a second correction coefficient, c is a third correction coefficient, and d is Fourth correction factor; and The magnitudes of the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d depend on the ambient temperature T ₁ and the cooling water temperature T ₂ size. The control method according to claim 23, wherein the preset temperature threshold comprises a first preset ambient temperature threshold, a second preset ambient temperature threshold, a first preset cooling water temperature threshold, and a second preset Cooling water temperature threshold; The first preset ambient temperature threshold is smaller than the second preset ambient temperature threshold, and the first preset cooling water temperature threshold is smaller than the second preset cooling water temperature threshold. The control method according to claim 24, wherein the sizes of the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d are set such that : When the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, the shutdown temperature T _off remains unchanged change; When the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold, the shutdown temperature T _off and the environment The temperature T ₁ and the cooling water temperature T ₂ are inversely proportional; When the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the shutdown temperature T _off and the ambient temperature T ₁ and the cooling water Temperature T ₂ is inversely proportional; When the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the second preset cooling water temperature threshold, the shutdown temperature T _off and the environment The temperature T ₁ and the cooling water temperature T ₂ are inversely proportional; When the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold, the shutdown temperature T _off remains unchanged. The control method according to claim 25, wherein the first preset ambient temperature threshold is 10 ° C, the first preset cooling water temperature threshold is 10 ° C, and the second preset cooling water temperature The threshold is 35 ° C; The step of “correcting the shutdown temperature according to the comparison between the ambient temperature and the temperature of the cooling water and the preset temperature threshold” specifically includes: And if the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, corresponding to the shutdown temperature T _off The first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d are 0, 0, 0, and 170, respectively; If the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold, the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold and less than or equal to the second preset cooling water a temperature threshold, the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d corresponding to the off temperature _Toff are -0.2, -0.2, 0, and 170, respectively; If the ambient temperature T _{1 is} less than or equal to the first preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold, corresponding to the closing temperature T _off A correction coefficient a, a second correction coefficient b, a third correction coefficient c, and a fourth correction coefficient d are -0.1, -0.3, 0, and 160, respectively. The control method according to claim 25, wherein the first preset ambient temperature threshold is 10 ° C, the second preset ambient temperature threshold is 35 ° C, and the first preset cooling water temperature threshold 10 ° C, the second preset cooling water temperature threshold is 35 ° C; The step of “correcting the shutdown temperature according to the comparison between the ambient temperature and the temperature of the cooling water and the preset temperature threshold” specifically includes: If the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature a threshold value, the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d corresponding to the off temperature _Toff are -0.3, -0.1, 0, and 160, respectively; If the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold and If the second preset cooling water temperature threshold is less than or equal to, the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d corresponding to the shutdown temperature _Toff are respectively - 0.3, -0.3, 0 and 150; If the ambient temperature T _{1 is} greater than the first preset ambient temperature threshold and less than or equal to the second preset ambient temperature threshold, the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold, Then, the first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d corresponding to the off temperature _Toff are -0.4, -0.2, 0, and 140, respectively. The control method according to claim 25, wherein the second preset ambient temperature threshold is 35 ° C, the first preset cooling water temperature threshold is 10 ° C, and the second preset cooling water temperature The threshold is 35 ° C; The step of “correcting the shutdown temperature according to the comparison between the ambient temperature and the temperature of the cooling water and the preset temperature threshold” specifically includes: If the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} less than or equal to the first preset cooling water temperature threshold, corresponding to the shutdown temperature T _off a correction coefficient a, a second correction coefficient b, a third correction coefficient c, and a fourth correction coefficient d are -0.3, -0.1, 0, and 160, respectively; If the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold, the cooling water temperature T _{2 is} greater than the first preset cooling water temperature threshold and less than or equal to the second preset cooling water temperature threshold The first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d corresponding to the shutdown temperature _Toff are -0.4, -0.2, 0, and 140, respectively. The control method according to claim 28, wherein if the ambient temperature T _{1 is} greater than the second preset ambient temperature threshold and the cooling water temperature T _{2 is} greater than the second preset cooling water temperature threshold The first correction coefficient a, the second correction coefficient b, the third correction coefficient c, and the fourth correction coefficient d corresponding to the shutdown temperature _Toff are 0, 0, 0, and 110, respectively. A laundry treating apparatus, comprising: a condensing module and a heating module, wherein the laundry treating apparatus further comprises: An ambient temperature sensor for detecting an ambient temperature in the event that the heating module is turned on; a water temperature sensor for detecting a cooling water temperature of the condensing module when the heating module is turned on; a temperature correction module for correcting a shutdown temperature of the heating module according to the detected ambient temperature and the temperature of the cooling water; A control module that selectively turns off the heating module based on the corrected shutdown temperature.

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