CN109811528A - A water inlet device, clothes dryer and control method - Google Patents

Abstract

Invention describes a kind of water feed apparatus, shell including being equipped with inlet and outlet, it is equipped at least two runners being in parallel, the both ends of each runner in shell to be connected with inlet and outlet respectively, the control valve of control runner on-off is respectively equipped on each runner.Also describing a kind of dryer and control method, the dryer includes water feed apparatus as described above, and set condensed water rinse mouth is connected with the water outlet of water feed apparatus by the road on dryer.The water feed apparatus of water flow velocity is adjustable by being arranged on dryer, the condensed water flow velocity for flowing into clothes dryer air duct can auto-control, the purpose to adjustment condensed water water inlet flow velocity corresponding under dryer different mode is realized, and then has achieved the effect that for dryer heating efficiency to be obviously improved.Meanwhile the configuration of the present invention is simple, method is succinct, significant effect, is suitable for promoting the use of.

Description

A water inlet device, clothes dryer and control method

technical field

The invention belongs to a clothes dryer in the technical field of clothes treatment equipment, and in particular relates to a condensed water inlet device used for washing lint in the air duct of the clothes dryer, and also relates to a control method of the clothes dryer.

Background technique

Condensing washing and drying machines (or condensing clothes dryers), during the drying process, due to the flow of air in the air duct of the dryer, lint is easily attached to the condenser area in the air duct, thereby causing wind The lint in the duct is blocked, causing the air path to be blocked, which in turn causes problems that affect the drying efficiency of the dryer.

In order to solve the above problems, in the prior art solution, a flushing water inlet is generally arranged on the air duct, and the flushing water inlet is connected to the condenser inlet water source, and the condensed water flowing into the air duct from the flushing water inlet is used to prevent adhesion Flush the lint on the inner wall of the air duct.

The present invention has been made in view of this.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a water inlet device, so as to realize the purpose of automatically and controllably adjusting the flow rate of the water at the same outlet of the water inlet device.

In order to realize the above-mentioned purpose of the invention, the technical scheme adopted in the present invention is as follows:

A water inlet device, comprising a casing provided with a water inlet and a water outlet, characterized in that: at least two parallel flow channels are arranged in the casing, and both ends of each flow channel are respectively connected with the water inlet and the water outlet. , and each flow channel is provided with a control valve to control the on-off of the flow channel.

Further, the control valve set on each flow channel is a one-way control valve to control the flow of water in the flow channel from the water inlet to the water outlet, or to disconnect the flow channel, so that the water flow at the water inlet can be controlled from any one of the flow channels. Or combined to flow in the direction of the outlet.

Further, the diameter of each flow channel and/or the opening degree of the control valve are different, so that the flow velocity of the water flowing into the water inlet at the same flow velocity is not equal to the flow velocity of the water flowing out of the water outlet through different flow channels.

Further, the shell of the water inlet device is provided with a first flow channel and a second flow channel in parallel, the water inlet ends of the first flow channel and the second flow channel are both connected with the water inlet of the water inlet device, and the first flow channel and the The water outlet ends of the two flow channels are connected with the water outlet of the water inlet device. The first flow channel is provided with a first control valve for controlling the opening and closing of the first flow channel, and the second flow channel is provided with a second control valve for controlling the second flow channel. .

By setting at least two parallel flow channels on the water inlet device, and setting control valves to control the corresponding opening and closing on each flow channel, the corresponding opening and closing control of the control valves set on different flow channels can be realized, so that the water inlet can be controlled. The water outlet of the device discharges water with a plurality of water flows with different flow rates, thereby achieving the purpose of providing the water inlet device with a plurality of water flows with different flow rates.

Another object of the present invention is to provide a clothes dryer, so as to realize the automatic regulation of the flow rate of condensed water in the air duct of the clothes dryer, so as to achieve the purpose of flushing the lint adhered in the air duct by using the water flow with adjustable flow rate. . In order to achieve the above purpose, the technical solutions adopted are as follows:

A clothes dryer is provided with the water inlet device as described in any one of the above, and the condensed water flushing port set on the clothes dryer is communicated with the water outlet of the water inlet device through a pipeline.

Further, the clothes dryer may be a clothes dryer only having the function of drying the clothes, or may be an integrated washing and drying machine with integrated washing and drying functions.

Further, the clothes dryer includes a drying cylinder, the lower end of the drying cylinder is provided with an air outlet, the upper end is provided with an air inlet, an air duct is arranged outside the drying cylinder, and both ends of the air duct are respectively connected with the air inlet and the air outlet, There is a fan for powering the air flow in the air duct, and a heating device for heating the air flow is arranged between the fan and the air inlet; The air stream is condensed.

Further, the air duct between the fan and the air outlet is a vertically extending vertical section, the upper part of the vertical section is provided with a condensed water flushing port, and the axis of the condensed water flushing port is from the bottom to the top, towards the vertical section of the air duct. The outer circumferential direction of the duct extends obliquely to flush the lint attached to the inner wall of the air duct with the condensed water flowing into the air duct.

Further, the water inlet device is installed on the clothes dryer, the water inlet of the water inlet device is connected with the inlet water source of the clothes dryer through the pipeline, and the water outlet of the water inlet device is connected with the condensed water flushing port set on the air duct; The control valves provided in each flow channel of the device are respectively electrically connected with the control circuit board of the dryer, so that the control circuit board of the dryer sends control commands to control the corresponding opening and closing of each control valve.

By setting a water inlet device with adjustable water inlet flow rate on the dryer, the flow rate of condensate water flowing into the air duct of the dryer can be automatically regulated, and the purpose of correspondingly adjusting the flow rate of condensate water in different modes of the dryer is realized. Then, the effect of significantly improving the thermal efficiency of the dryer is achieved.

Another object of the present invention is to provide a control method for a clothes dryer, so as to control the influent water flow of condensed water in the clothes dryer accordingly, so as to reasonably distribute the amount of condensed water and improve the drying efficiency of the clothes dryer.

In order to achieve the above-mentioned purpose of the invention, the following technical solutions can be adopted:

A control method applied to any one of the above-mentioned clothes dryers, when the clothes dryer executes drying programs of different air volume gears, a water inlet device of the clothes dryer opens a corresponding control valve, so that the clothes dryer enters water The device feeds water into the condensed water flushing port of the air duct at a corresponding flow rate, and uses the condensed water flow of the corresponding flow rate flowing into the air duct to wash the lint attached to the inner wall of the air duct.

Specifically, it includes the following steps:

S11. Detect the drying program performed by the clothes dryer;

S12, calling the opening and closing parameters of each control valve of the water inlet device corresponding to the executed drying program;

S13, control each control valve of the water inlet device to open or close according to the corresponding parameters, so that the water inlet flow rate of the condensed water flowing into the air duct from the water inlet device of the clothes dryer is the set value;

Preferably, in different stages of the drying program executed by the dryer, the opening and closing parameters of each control valve of the water inlet device are set to different values, so as to send corresponding settings to each control valve of the water inlet device at different stages. parameters, control the corresponding opening and closing of the water inlet device at different stages of the drying program of the dryer.

Through the above-mentioned method for controlling the dryer, when the dryer executes different programs, condensed water is supplied to the air duct of the dryer at a corresponding flow rate, so that the condensed water inlet water flow that adjusts the corresponding flow rate at different working stages of the dryer is realized. The purpose is to further achieve the premise of flushing the lint adhered in the air duct in time, so as to ensure that too much condensed water will not remain in the air duct to reduce the drying efficiency of the dryer.

In order to achieve the above-mentioned purpose of the invention, the following technical solutions can also be adopted:

A control method applied to any of the above-mentioned clothes dryers, the amount of lint adhered in the air duct is detected, and when the amount of lint adhered in the air duct reaches a set value, the corresponding control valve of the water inlet device is controlled to open , to increase the flow rate of condensate water flowing into the air duct.

Further, it specifically includes the following steps:

S21. Perform real-time detection on the lint attached to the air duct, compare the detected value of the lint attached in the air duct with the first set value, and when the detected value is greater than the first set value, perform step S22;

S22, the first control valve of the water inlet device is opened, and the water inlet device enters the condensed water flushing port of the air channel through the first flow channel;

S23. Perform real-time detection on the lint attached to the air duct, and compare the detected value of the lint attached in the air duct with the set value. When the detected value is less than the first set value, perform step S21; when the detected value is greater than the second When the value is set, step S24 is performed;

S24, both the first control valve and the second control valve of the water inlet device are opened, and the water inlet device feeds water to the condensed water flushing port of the air channel through the first flow channel and the second flow channel.

Through the above method, the lint adhered in the air duct can be automatically judged during the working process of the clothes dryer, and the condensed water is supplied to the air duct of the clothes dryer at a corresponding flow rate, so as to realize the automatic regulation of the condensed water flow in the air duct of the clothes dryer. In order to achieve the premise of flushing the lint adhered in the air duct in time, it is ensured that too much condensed water will not remain in the air duct to reduce the drying efficiency of the dryer.

At the same time, the invention has simple structure, concise method and remarkable effect, and is suitable for popularization and use.

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Description of drawings

Fig. 1: the structural representation of the water inlet device in the embodiment of the present invention;

Fig. 2: The principle schematic diagram of the water inlet device in the embodiment of the present invention;

Fig. 3: the structural representation of the clothes dryer in the embodiment of the present invention;

Fig. 4: The logic diagram of the control method of the clothes dryer in one embodiment of the present invention;

Fig. 5 is a logic diagram of a control method of a clothes dryer in another embodiment of the present invention.

Description of main components in the attached drawings: 100—water inlet device, 200—drying cylinder, 300—drum, 400—air duct, 500—heating device, 600—fan, 700—condenser, 1—water inlet, 2—outlet Water outlet, 3-control valve, 4-first control valve, 5-second control valve, 6-first flow channel, 7-second flow channel, 8-condensate flushing port.

Detailed ways

Example 1

As shown in Figures 1 to 2, a water inlet device is introduced in this embodiment, which includes a casing provided with a water inlet 1 and a water outlet 2, and at least two parallel flow channels are arranged in the casing. The two ends of the channel are respectively connected with the water inlet 1 and the water outlet 2, and each flow channel is respectively provided with a control valve 3 for controlling the on-off of the flow channel.

In this embodiment, the control valve 3 provided on each flow channel is a one-way control valve to control the water flow in the flow channel from the water inlet 1 of the water inlet device to the water outlet 2 direction, or to disconnect the flow channel, so that the water inlet 1 The water flow can be controlled to flow to the water outlet 2 from any one or combination of each flow channel.

As shown in FIG. 1 and FIG. 2 , in this embodiment, the housing of the water inlet device 100 is provided with a first flow channel 6 and a second flow channel 7 in parallel, and the water inlet of the first flow channel 6 and the second flow channel 7 The ends are all communicated with the water inlet 1 of the water inlet device 100, the water outlet ends of the first flow channel 6 and the second flow channel 7 are both communicated with the water outlet 2 of the water inlet device 100, and the first flow channel 6 is provided with a control first flow channel. The first control valve 4 for on/off of the channel 6 is provided with the second control valve 5 for controlling the second flow channel 7 on the second flow channel 7 .

By setting at least two parallel flow channels on the water inlet device, and setting control valves to control the corresponding opening and closing on each flow channel, the corresponding opening and closing control of the control valves set on different flow channels can be realized, so that the water inlet can be controlled. The water outlet of the device discharges water with a plurality of water flows with different flow rates, thereby achieving the purpose of providing the water inlet device with a plurality of water flows with different flow rates.

In this embodiment, the specific working mode of the water inlet device is as follows:

In the first working mode, the first control valve 4 is opened, the second control valve 5 is closed, and the water inlet 1 is only communicated with the water outlet 2 through the first flow channel 6. At this time, the flow velocity value of the water inlet device 100 is a;

In the second working mode, the first control valve 4 is closed, the second control valve 5 is opened, and the water inlet 1 is communicated with the water outlet 2 only through the second flow channel 7. At this time, the flow velocity value of the water inlet device 100 is b;

In the third working mode, the first control valve 4 and the second control valve 5 are both open, and the water inlet 1 is connected to the water outlet 2 through the first flow channel 6 and the second flow channel 7 at the same time. At this time, the water flowing out of the water inlet device 100 The flow rate value is c;

In the fourth working mode, both the first control valve 4 and the second control valve 5 are closed, the water inlet 1 and the water outlet 2 are disconnected, and at this time, the water inlet device 100 does not flow out water.

Embodiment 2

The difference between this embodiment and the first embodiment above is that two or more parallel flow channels are arranged between the water inlet 1 and the water outlet 2 of the water inlet device 100 , and corresponding control valves 3 are respectively arranged on each flow channel.

In this embodiment, n (an integer of 3 or more) flow channels in parallel are arranged on the water inlet device, so that the flow velocity of the water flowing out of the water inlet device has 2 ⁿ types, so that the flow velocity of the water flowing out of the water inlet device has a variety of Combination to improve the diversification and application range of water inlet devices.

Preferably, the diameter of each flow channel and/or the opening of the control valve are different, so that the flow velocity of water flowing into the water inlet at the same flow rate through any one or combination of flow channels and flowing out of the water outlet is not equal.

Embodiment 3

As shown in FIGS. 1 to 3 , a clothes dryer is introduced in this embodiment. The water inlet device 100 described in the first or second embodiment is installed on the clothes dryer, and a condensed water flushing port 8 is provided on the clothes dryer. It is communicated with the water outlet 2 of the water inlet device 100 through a pipeline.

In this embodiment, the clothes dryer may be a clothes dryer only having the function of drying clothes, or may be an integrated washing and drying machine with integrated washing and drying functions.

In this embodiment, the clothes dryer includes a drying drum 200. Inside the drying drum 200 is a stirring device for stirring the clothes, for example, any one or a combination of the drum 300, a pulsator, a stirring rod, etc.; the drying drum The lower end of the 200 is provided with an air outlet, the upper end is provided with an air inlet, and an air duct 400 is arranged outside the drying cylinder. There is a fan 600 that provides power for the air flow, and a heating device 500 for heating the airflow is arranged between the fan 600 and the air inlet; the air duct part between the fan 600 and the air outlet directly constitutes the condenser 700, and the condenser 700 and the fan A condensed water flushing port 8 is provided between 600 , and the condensed water flowing into the air duct 700 is used to condense the airflow in the air duct 400 . Of course, in order to improve the condensation efficiency of the clothes dryer, an independent condenser 700 may also be provided in the air duct 400, and the water inlet device 100 in the embodiment of the present application is also applicable to the above clothes dryer.

In this embodiment, the air duct between the fan 600 and the air outlet of the drying drum 100 is a vertically extending vertical section, and the upper part of the vertical section is provided with a condensed water flushing port 8 , and the axis of the condensed water flushing port 8 The vertical section of the air duct 400 directly constitutes an anti-wind Condenser 700 for condensing the air flow in the channel.

In this embodiment, the condensed water flowing in from the condensed water flushing port 8 is especially used to flush the lint-adhering area at the lower part of the vertical air duct; the condensed water flowing from the condensed water flushing port 8 fits the vertical The inner wall of the section air duct flows downward, and during the flow process, it exchanges heat with the airflow passing through the air duct 400 to perform condensation treatment; at the same time, the condensed water flowing downward in the fitting air duct 400 flows through the vertical section air duct 400 In the lower part, the condensed water flow flushes the lint attached to the area where the lint easily adheres accordingly, so as to achieve the purpose of cleaning the lint accumulated in the air duct.

In this embodiment, the water inlet device 100 is installed on the clothes dryer, the water inlet 1 of the water inlet device 100 is connected with the water inlet water source of the clothes dryer through a pipeline, and the water outlet 2 of the water inlet device 100 is connected to the air duct 400. The condensed water flushing port 8 is set to communicate with each other; the control valves 3 provided in each flow channel of the water inlet device 100 are respectively electrically connected with the control circuit board of the dryer, so that the control circuit board of the dryer sends control commands to each control valve. 3 Carry out the corresponding opening and closing control.

In this embodiment, the water inlet 1 and the water outlet 2 of the water inlet device 100 are connected through two or more parallel flow channels, and each flow channel is provided with a corresponding control valve for controlling the on-off of the flow channel. 3, so that the flow rate of the condensed water flowing into the air duct through the water inlet device of the dryer can be adjusted accordingly.

As shown in Figure 1 and Figure 2, the following description will be carried out by taking as an example that there are two parallel first flows, 6 and second flow channels 7 in the water inlet device set on the dryer:

In the first working mode, the first control valve 4 is opened, the second control valve 5 is closed, and the water inlet 1 is connected to the water outlet 2 only through the first flow channel 6. At this time, the dryer flows into the air channel 400 through the water inlet device 100. The flow rate of the condensed water inlet water flow is 0.3-0.35L/min;

In the second working mode, the first control valve 4 is closed, the second control valve 5 is opened, and the water inlet 1 is connected to the water outlet 2 only through the second flow channel 7. At this time, the dryer flows into the air channel through the water inlet device 100. The flow rate of the 400 condensate inlet water flow is 3L/min;

In the third working mode, the first control valve 4 and the second control valve 5 are both open, and the water inlet 1 is connected to the water outlet 2 through the first flow channel 6 and the second flow channel 7 at the same time. The flow velocity value of the condensed water inlet water flow of the device 100 flowing into the air duct 400 is c;

In the fourth working mode, the first control valve 4 and the second control valve 5 are both closed, and the water inlet 1 and the water outlet 2 are disconnected. At this time, the water inlet device 100 of the dryer does not flow condensed water into the air duct 400 .

By setting a water inlet device with adjustable water inlet flow rate on the dryer, the flow rate of condensate water flowing into the air duct of the dryer can be automatically regulated, and the purpose of correspondingly adjusting the flow rate of condensate water in different modes of the dryer is realized. Then, the effect of significantly improving the thermal efficiency of the dryer is achieved.

Embodiment 4

This embodiment introduces a control method applied to the clothes dryer described in the third embodiment. When the clothes dryer executes drying programs with different air volume gears, the water inlet device of the clothes dryer opens the corresponding control valve, Make the water inlet device of the dryer enter the condensed water flushing port of the air duct at a corresponding flow rate, and use the condensed water flow of the corresponding flow rate flowing into the air duct to wash the lint attached to the inner wall of the air duct.

As shown in FIG. 4 , in this embodiment, the following steps are specifically included:

S11. Detect the drying program performed by the clothes dryer;

S12, calling the opening and closing parameters of each control valve of the water inlet device corresponding to the executed drying program;

S13 , controlling each control valve of the water inlet device to open or close with corresponding parameters, so that the water inlet flow rate of the condensed water flowing into the air duct from the water inlet device of the clothes dryer is a set value.

The specific method can be as follows:

When the dryer executes the drying program with a low-speed wind speed, the first control valve of the water inlet device of the dryer is opened, and the water inlet device feeds condensed water into the air duct at a flow rate of 0.3-0.35L/min; During the drying program at the wind speed, the second control valve of the water inlet device of the dryer is opened, and the water inlet device enters the condensed water into the air duct at a flow rate of 3L/min; The first control valve and the second control valve of the water inlet device of the machine are opened at the same time, and the water inlet device feeds condensed water into the air duct at a flow rate c.

In this embodiment, in different stages of the drying program executed by the dryer, the opening and closing parameters of each control valve of the water inlet device are set to different values, so as to send out corresponding corresponding values to each control valve of the water inlet device at different stages. Set parameters to control the corresponding opening and closing of the water inlet device at different stages of the drying process of the dryer.

Through the above method, when the clothes dryer executes different programs, the condensed water is supplied to the air duct of the clothes dryer at a corresponding flow rate, so as to realize the purpose of adjusting the influent water flow of the condensed water at the corresponding flow rate in different working stages of the clothes dryer, thereby achieving the goal of correcting the On the premise that the lint adhering in the air duct is washed in time, it is ensured that too much condensed water will not remain in the air duct to reduce the drying efficiency of the dryer.

Embodiment 5

This embodiment introduces a control method applied to the clothes dryer described in the third embodiment. The amount of lint adhered in the air duct is detected, and when the amount of lint adhered in the air duct reaches a set value, the water intake is controlled. The corresponding control valve of the device is opened to increase the flow rate of condensate water flowing into the air duct.

As shown in FIG. 5 , in this embodiment, the following steps are specifically included:

S21. Perform real-time detection on the lint attached to the air duct, compare the detected value of the lint attached in the air duct with the first set value, and when the detected value is greater than the first set value, perform step S22;

S22, the first control valve of the water inlet device is opened, and the water inlet device enters the condensed water flushing port of the air channel through the first flow channel;

S23. Perform real-time detection on the lint attached to the air duct, and compare the detected value of the lint attached in the air duct with the set value. When the detected value is less than the first set value, perform step S21; when the detected value is greater than the second When the value is set, step S24 is performed;

S24, both the first control valve and the second control valve of the water inlet device are opened, and the water inlet device feeds water to the condensed water flushing port of the air channel through the first flow channel and the second flow channel.

Of course, the effluent flow rates a and b of the first flow channel and the second flow channel can also be set to different values respectively (a is less than b; preferably, a is 0.3-0.35L/min, and b is 3L/min), so that the When the detected value reaches the first set value, the second set value and the third set value respectively, the corresponding settings are to open the first control valve alone, open the second control valve alone, and open both the first control valve and the second control valve. control logic.

Through the above method, the lint adhered in the air duct can be automatically judged during the working process of the clothes dryer, and the condensed water is supplied to the air duct of the clothes dryer at a corresponding flow rate, so as to realize the automatic regulation of the condensed water flow in the air duct of the clothes dryer. In order to achieve the premise of flushing the lint adhered in the air duct in time, it is ensured that too much condensed water will not remain in the air duct to reduce the drying efficiency of the dryer.

In this embodiment, the clothes dryer can use any detection device in the prior art to detect the lint adhering in the air duct, so as to accurately obtain the amount of lint adhering in the air duct. For example, a flow velocity sensor is set up in the air duct to obtain the wind speed in the air duct, and then the accumulation amount of lint adhered in the air duct can be accurately obtained.

The foregoing are merely preferred embodiments of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made, which are also regarded as the protection scope of the present invention.

Claims (10)

1. a kind of water feed apparatus, the shell including being equipped with inlet and outlet, it is characterised in that: be equipped at least two in shell The both ends of the runner being in parallel, each runner are connected with inlet and outlet respectively, and control runner is respectively equipped on each runner The control valve of on-off.

2. a kind of water feed apparatus according to claim 1, which is characterized in that set control valve is unidirectionally controlled on each runner Valve flows from water inlet to water outlet direction or disconnects runner to control water flow in runner, keeps the water flow of water inlet controllable It is flowed from any in each runner or combine to water outlet direction；

Preferably, the caliber thickness of each runner and/or the aperture of control valve be not identical, so that same flow velocity flows into the water of water inlet The flow rate of water flow for flowing through different runner outflow water outlets is unequal.

3. a kind of dryer, it is characterised in that: set cold on dryer including water feed apparatus of any of claims 1 or 2 as above Condensate rinse mouth is connected with the water outlet of water feed apparatus by the road.

4. a kind of dryer according to claim 3, which is characterized in that dryer includes Drying, the lower end of Drying Be equipped with air inlet equipped with air outlet, upper end, be equipped with air duct outside Drying, the both ends in air duct respectively with air inlet and air outlet phase Connection, be equipped in air duct to flow for air and provide the blower of power, equipped with being heated to air-flow between blower and air inlet Heating device；It is equipped with condensed water rinse mouth between blower and air outlet, air-flow is condensed using the condensed water for flowing into air duct Processing.

5. a kind of dryer according to claim 4, which is characterized in that the air duct between blower and air outlet is one vertical The vertical section of extension, the top of vertical section are equipped with condensed water rinse mouth, and the axis of condensed water rinse mouth is bottom-up, Xiang Fengdao The peripheral direction of vertical section, which tilts, to be extended, to be rushed using the condensed water for flowing into air duct to the line bits adhered on the inner wall of air duct It washes.

6. according to a kind of any dryer of claim 3 to 5, which is characterized in that water feed apparatus is installed on dryer, The water inlet of water feed apparatus is connected with the water inlet water source of dryer by the road, set cold on the water outlet of water feed apparatus and air duct Condensate rinse mouth is connected；Control valve set by each runner of water feed apparatus is electrically connected with the control circuit board of dryer respectively, Corresponding opening and closing manipulation is carried out to each control valve to enable dryer control circuit board send control instruction.

7. a kind of control method applied to any dryer of the claims 1 to 6, which is characterized in that dryer exists When executing the drying procedure of different air quantity gears, the water feed apparatus of dryer opens corresponding control valve, enables dryer water inlet dress Set with corresponding flow velocity, aweather condensed water rinse mouth in road is intake, using flowing into air duct, corresponding flow velocity condensed water water flow to attached In air duct inner wall line bits be rinsed.

8. a kind of control method of dryer according to claim 7, which is characterized in that specifically comprise the following steps,

Drying procedure performed by S11, detection dryer；

S12, each control valve of water feed apparatus corresponding with performed drying procedure is called to be opened and closed parameter；

S13, each control valve of water feed apparatus is controlled with relevant parameter execution closure or openness, the water feed apparatus of dryer is enabled to flow into The condensed water water inlet flow rate of water flow in air duct is setting value；

Preferably, the different phase of the drying procedure performed by dryer, each control valve of water feed apparatus are opened and closed parameter setting and are Different value, to issue corresponding setup parameter respectively to each control valve of water feed apparatus in different phase, control water feed apparatus exists The different phase that dryer executes drying procedure is accordingly opened and closed.

9. a kind of control method applied to any dryer of the claims 1 to 6, which is characterized in that in air duct The line bits amount of attachment is detected, and when the line bits amount adhered in air duct reaches setting value, controls the corresponding control of water feed apparatus Valve is opened, to increase the condensed water flow rate of water flow flowed into air duct.

10. a kind of control method of dryer according to claim 9, which is characterized in that specifically comprise the following steps,

S21, the line bits adhered in air duct are measured in real time, the detected value that attached wire in air duct is considered to be worth doing and the first setting value phase Compare, when detected value is greater than the first setting value, executes step S22；

The first control valve opening of S22, water feed apparatus, water feed apparatus are intake through first runner to the condensed water rinse mouth in air duct；

S23, the line bits adhered in air duct are measured in real time, the detected value that attached wire in air duct is considered to be worth doing is compared with setting value Compared with, when detected value is less than the first setting value, execution step S21；When detected value is greater than the second setting value, step S24 is executed；

S24, the first control valve of water feed apparatus and the second control valve are opened, water feed apparatus through first runner and second flow channel to The condensed water rinse mouth in air duct is intake.