CN111026203A - A heating control method and system suitable for a vacuum kettle - Google Patents
A heating control method and system suitable for a vacuum kettle Download PDFInfo
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- CN111026203A CN111026203A CN201911212907.3A CN201911212907A CN111026203A CN 111026203 A CN111026203 A CN 111026203A CN 201911212907 A CN201911212907 A CN 201911212907A CN 111026203 A CN111026203 A CN 111026203A
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The invention discloses a heating control method and a heating control system suitable for a vacuum kettle, which comprise the following steps: the slope acquisition module acquires the real-time slope of a temperature rise curve after the vacuum hot water kettle starts to heat and the initial slope of the temperature rise curve in a preset time period when the vacuum hot water kettle starts to heat, and transmits the real-time slope and the initial slope to the judgment module and the information acquisition module; the judging module receives the initial slope to obtain the measured water level in the vacuum hot water kettle and compares the measured water level with the first preset warning water level and the second preset warning water level; the information acquisition module acquires water level change information or temperature information of the vacuum hot water kettle according to the change of the real-time slope, acquires a warning signal according to the temperature information and transmits the warning signal to the warning module; after the warning module receives the warning signal, the preset stopping time is obtained according to the initial slope; the control module controls the vacuum hot water kettle to continue working for the preset stop time and then stop working according to the preset stop time. By the invention, potential safety hazards caused by water vapor are effectively avoided, and dry burning and excessive water are avoided.
Description
Technical Field
The invention relates to the technical field of intelligent household articles for daily use, in particular to a heating control method and system suitable for a vacuum kettle.
Background
The vacuum kettle is a water boiling vessel commonly used in life, the vacuum kettle is further improved on the basis of the electric kettle, the problem that the common electric kettle cannot keep warm after being heated can be effectively solved through the vacuum kettle, meanwhile, the vacuum kettle is high in heating speed and high in energy consumption utilization rate, and compared with the traditional electric kettle, the vacuum kettle is more energy-saving.
However, the existing vacuum thermos often has energy waste and hot steam when water is boiled, which creates great potential safety hazard for the use of the vacuum thermos. In the prior art, as in chinese patent with publication number CN105686629B, only one method is disclosed to solve the problem of steam in vacuum hot water kettle by improving steam channel, but not to really solve the problem of steam; also, for example, chinese patent publication No. CN108013754A discloses only a vacuum thermal insulation kettle, which is improved only in terms of thermal insulation and also aims to solve the above-mentioned problems.
Disclosure of Invention
In order to enable the vacuum hot water kettle to boil water as quickly as possible and prevent a large amount of water vapor from being sprayed out, the invention provides a heating control method suitable for the vacuum hot water kettle, which comprises the following steps:
s1: acquiring the real-time slope of a temperature rise curve after the vacuum hot water kettle starts to be heated and the initial slope of the temperature rise curve in a preset time period when the vacuum hot water kettle starts to be heated;
s2: obtaining a measured water level in the vacuum hot water kettle according to the initial slope and comparing the measured water level with a first preset warning water level and a second preset warning water level;
s3: acquiring water level change information or temperature information of the vacuum hot water kettle according to the change of the real-time slope, and acquiring a warning signal according to the temperature information;
s4: acquiring a warning signal, and acquiring preset stop time according to the initial slope;
s5: and according to the preset stop time, the vacuum hot water kettle continues to work for the preset stop time and then stops working.
Further, in the step S2:
if the measured water level is lower than the first preset warning water level, the vacuum hot water kettle stops running;
and if the measured water level is higher than the second preset warning water level, the vacuum hot water kettle stops running.
Further, in the step S3:
when the real-time slope value becomes a negative value, acquiring the state information of the water level increase of the vacuum hot water kettle, and returning to the step S1 again;
when the real-time slope value is reduced, the temperature information that the water in the vacuum hot water kettle is about to be boiled is obtained, and a warning signal is sent out.
Further, in the step S4:
the preset stop time is the time required for the water in the vacuum hot water kettle to be boiled under the slope of the corresponding temperature rise curve.
The invention also provides a heating control system of the vacuum hot water kettle, which comprises a slope acquisition module, a judgment module, an information acquisition module, a warning module and a stop module, wherein:
the slope acquisition module is used for acquiring the real-time slope of the temperature rise curve after the vacuum hot water kettle starts to heat and the initial slope of the temperature rise curve in a preset time period when the vacuum hot water kettle starts to heat, and transmitting the slope to the judgment module and the information acquisition module;
the judging module is used for receiving the initial slope to obtain the measured water level in the vacuum hot water kettle and comparing the measured water level with the first preset warning water level and the second preset warning water level;
the information acquisition module is used for acquiring water level change information or temperature information of the vacuum hot water kettle according to the change of the real-time slope, acquiring a warning signal according to the temperature information and transmitting the warning signal to the warning module;
the warning module is used for receiving the warning signal and then obtaining preset stop time according to the initial slope;
and the control module is used for controlling the vacuum hot water kettle to continuously work according to the preset stop time and then stop working after the preset stop time.
Further, the determination module:
when the measured water level is lower than a first preset warning water level, the judgment module controls the vacuum hot water kettle to stop running;
and when the measured water level is higher than the second preset warning water level, the judgment module controls the vacuum kettle to stop running.
Further, the information acquisition module:
when the real-time slope value becomes a negative value, the information acquisition module acquires the state information of the increase of the water level of the vacuum hot water kettle and controls the vacuum hot water kettle to return to the step S1 again;
when the real-time slope value is reduced, the information acquisition module acquires the temperature information that the water in the vacuum hot water kettle is about to be boiled and sends out a warning signal to the warning module.
Compared with the prior art, the invention at least has the following beneficial effects:
(1) the heating control method and the heating control system suitable for the vacuum hot water kettle provided by the invention can reduce the time required for boiling water, have no boiling time, basically have no steam and avoid accidents caused by steam;
(2) the heating control method and the heating control system suitable for the vacuum hot water kettle provided by the invention can identify water adding in the midway, judge the water quantity condition, prevent dry burning or excessive water, and effectively avoid accidents such as fire hazard caused by dry burning and electric leakage hazard caused by excessive water.
Drawings
FIG. 1 is a schematic diagram of a method for controlling heating in a vacuum kettle;
FIG. 2 is a system diagram of a heating control system for a vacuum hot water shaver;
FIG. 3 is a graph of water temperature versus time in a vacuum hot water kettle at 1 standard atmospheric pressure at minimum water level;
FIG. 4 is a graph showing the temperature of water in a vacuum hot-water kettle at 1 standard atmospheric pressure at the maximum water level versus time;
FIG. 5 is a graph of water temperature versus time for a vacuum hot water kettle at 0.8 standard atmospheric pressure at maximum water level.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
The heating time is required to be the shortest to boil and reduce steam as much as possible when water is heated, but the altitude problem is considered, the judgment cannot be simply carried out by temperature, the heating time of the traditional algorithm is too long, and a period of boiling time exists, so that a large amount of water steam comes out. Therefore, as shown in fig. 1, the present invention provides a heating control method for a vacuum hot water kettle, comprising the steps of:
s1: acquiring the real-time slope of a temperature rise curve after the vacuum hot water kettle starts to be heated and the initial slope of the temperature rise curve in a preset time period when the vacuum hot water kettle starts to be heated;
s2: obtaining a measured water level in the vacuum hot water kettle according to the initial slope and comparing the measured water level with a first preset warning water level and a second preset warning water level;
s3: acquiring water level change information or temperature information of the vacuum hot water kettle according to the change of the real-time slope, and acquiring a warning signal according to the temperature information;
s4: after the warning signal is obtained, obtaining preset stop time according to the initial slope;
s5: and according to the preset stop time, the vacuum hot water kettle continues to work for the preset stop time and then stops working.
As shown in fig. 3, it can be seen that the water temperature rises at a rate of 0.5 c/s at the initial stage at the minimum water level at 1 atm, and the rising rate abruptly drops after 96 c/s.
As shown in FIG. 4, it can be seen that the water temperature rises at a rate of 0.15 ℃/s at the initial stage at the maximum water level under 1 atm, and the rising rate also suddenly decreases after 96 ℃/s.
As shown in fig. 5, it can be seen that the water temperature rises at a rate of 0.15 ℃/s at the initial stage at the maximum water level under 0.8 atm, and the rising rate suddenly decreases after 93 ℃/s.
As shown in the above-mentioned illustration and in combination with general knowledge, it is known that the water temperature rises at the same water level in the previous stage under different atmospheric pressures at the same time, and the lower the atmospheric pressure, the lower the boiling point, and the lower the water level, the higher the water temperature rise rate.
Since it is not guaranteed that the user can add water to a proper level every time the vacuum hot water kettle is used, there may be a problem of an excessively low or high water level, and there may be a safety hazard when the vacuum hot water kettle is operated under the condition of an excessively low or high water level, the method adds a step of water level monitoring.
In the step S2:
if the measured water level is lower than the first preset warning water level, the vacuum hot water kettle stops running;
and if the measured water level is higher than the second preset warning water level, the vacuum hot water kettle stops running.
Through the steps, the water quantity in the vacuum hot water kettle can be judged within the initial period of time, if the temperature rise speed is higher than the temperature rise speed when the lowest water quantity exists, the water quantity is judged to be too small, and the vacuum hot water kettle stops working; and if the temperature rise speed is lower than the temperature rise speed at the highest water level, judging that the water quantity is excessive, and stopping the vacuum hot water kettle. The step can effectively avoid empty burning or excessive water, and effectively avoid the occurrence of accidents such as fire hazard caused by dry burning and electric leakage hazard caused by excessive water.
Meanwhile, in step S3:
when the real-time slope value becomes a negative value, acquiring the state information of the water level increase of the vacuum hot water kettle, and returning to the step S1 again;
when the real-time slope value is reduced, the temperature information that the water in the vacuum hot water kettle is about to be boiled is obtained, and a warning signal is sent out.
The step has the effects that when water is added in the heating process of the vacuum hot water kettle, the temperature of the water in the vacuum hot water kettle is bound to be reduced at the moment, the real-time slope of the temperature rise curve is negatively increased at the moment, and through the step, the water level change information is obtained by utilizing the change of the real-time slope, so that the vacuum hot water kettle executes the step S1 again, and the situation that the water level is higher than the second preset warning water level due to the newly added water is avoided.
Meanwhile, by combining fig. 3 and 4, it can be known that when the real-time slope decreases, it indicates that the water in the vacuum hot water kettle is about to boil, and at this time, a warning signal is generated, so that the vacuum hot water kettle can finish the heating process of the water only by continuing to work for a preset downtime, and the operation is stopped after the preset downtime. The water temperature just reaches the boiling point, and the machine is stopped in time, so that a large amount of water vapor generated by long-time continuous heating after reaching the boiling point is avoided, the work effect of basically no steam is achieved, and accidents caused by the large amount of water vapor are avoided.
By the heating control method suitable for the vacuum hot water kettle, the time required for boiling water can be reduced, meanwhile, no boiling time exists, no steam exists basically, and accidents caused by steam are avoided; meanwhile, water can be added midway through recognition, the water quantity condition is judged, dry burning or excessive water is prevented, and the occurrence of accidental conditions such as fire hazard caused by dry burning and electric leakage hazard caused by excessive water is effectively avoided.
Example two
As shown in fig. 2, a heating control system suitable for a vacuum hot water kettle comprises a slope obtaining module, a judging module, an information obtaining module, a warning module and a stopping module, wherein:
the slope acquisition module is used for acquiring the real-time slope of the temperature rise curve after the vacuum hot water kettle starts to heat and the initial slope of the temperature rise curve in a preset time period when the vacuum hot water kettle starts to heat, and transmitting the slope to the judgment module and the information acquisition module;
the judging module is used for receiving the initial slope to obtain the measured water level in the vacuum hot water kettle and comparing the measured water level with the first preset warning water level and the second preset warning water level;
the information acquisition module is used for acquiring water level change information or temperature information of the vacuum hot water kettle according to the change of the real-time slope, acquiring a warning signal according to the temperature information and transmitting the warning signal to the warning module;
the warning module is used for receiving the warning signal and then obtaining preset stop time according to the initial slope;
and the control module is used for controlling the vacuum hot water kettle to continuously work according to the preset stop time and then stop working after the preset stop time.
Further, the determination module:
when the measured water level is lower than a first preset warning water level, the judgment module controls the vacuum hot water kettle to stop running;
and when the measured water level is higher than the second preset warning water level, the judgment module controls the vacuum kettle to stop running.
Further, the information acquisition module:
when the real-time slope value becomes a negative value, the information acquisition module acquires the state information of the water level increase of the vacuum hot water kettle and controls the vacuum hot water kettle to return to the step S1 again.
Further, the information acquisition module:
when the real-time slope value is reduced, the information acquisition module acquires the temperature information that the water in the vacuum hot water kettle is about to be boiled and sends out a warning signal to the warning module.
The heating control system suitable for the vacuum hot water kettle can reduce the time required by boiling water, has no boiling time, can basically have no steam, and avoids accidents caused by steam; meanwhile, water can be added midway through recognition, the water quantity condition is judged, dry burning or excessive water is prevented, and the occurrence of accidental conditions such as fire hazard caused by dry burning and electric leakage hazard caused by excessive water is effectively avoided.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A heating control method suitable for a vacuum hot water kettle is characterized by comprising the following steps:
s1: acquiring the real-time slope of a temperature rise curve after the vacuum hot water kettle starts to be heated and the initial slope of the temperature rise curve in a preset time period when the vacuum hot water kettle starts to be heated;
s2: obtaining a measured water level in the vacuum hot water kettle according to the initial slope and comparing the measured water level with a first preset warning water level and a second preset warning water level;
s3: acquiring water level change information or temperature information of the vacuum hot water kettle according to the change of the real-time slope, and acquiring a warning signal according to the temperature information;
s4: after the warning signal is obtained, obtaining preset stop time according to the initial slope;
s5: and according to the preset stop time, the vacuum hot water kettle continues to work for the preset stop time and then stops working.
2. A heating control method for a vacuum hot-water kettle according to claim 1, characterized in that in step S2:
if the measured water level is lower than the first preset warning water level, the vacuum hot water kettle stops running;
and if the measured water level is higher than the second preset warning water level, the vacuum hot water kettle stops running.
3. A heating control method for a vacuum hot-water kettle according to claim 1, characterized in that in step S3:
when the real-time slope value becomes a negative value, the state information of the water level increase of the vacuum hot water kettle is obtained, and the step S1 is returned again.
4. A heating control method for a vacuum hot-water kettle according to claim 1, characterized in that in step S3:
when the real-time slope value is reduced, the temperature information that the water in the vacuum hot water kettle is about to be boiled is obtained, and a warning signal is sent out.
5. A heating control method for a vacuum hot-water kettle according to claim 1, characterized in that in step S4:
the preset stop time is the time required for the water in the vacuum hot water kettle to be boiled under the slope of the corresponding temperature rise curve.
6. The utility model provides a heating control system suitable for vacuum hot-water bottle, includes slope acquisition module, judges module, information acquisition module, warning module and stop the module, wherein:
the slope acquisition module is used for acquiring the real-time slope of the temperature rise curve after the vacuum hot water kettle starts to heat and the initial slope of the temperature rise curve in a preset time period when the vacuum hot water kettle starts to heat, and transmitting the slope to the judgment module and the information acquisition module;
the judging module is used for receiving the initial slope to obtain the measured water level in the vacuum hot water kettle and comparing the measured water level with the first preset warning water level and the second preset warning water level;
the information acquisition module is used for acquiring water level change information or temperature information of the vacuum hot water kettle according to the change of the real-time slope, acquiring a warning signal according to the temperature information and transmitting the warning signal to the warning module;
the warning module is used for receiving the warning signal and then obtaining preset stop time according to the initial slope;
and the control module is used for controlling the vacuum hot water kettle to continuously work according to the preset stop time and then stop working after the preset stop time.
7. A heating control system for a vacuum hot water kettle according to claim 6, wherein said determining module:
when the measured water level is lower than a first preset warning water level, the judgment module controls the vacuum hot water kettle to stop running;
and when the measured water level is higher than the second preset warning water level, the judgment module controls the vacuum kettle to stop running.
8. A heating control system for a vacuum hot-water kettle according to claim 6, wherein said information acquisition module:
when the real-time slope value becomes a negative value, the information acquisition module acquires the state information of the water level increase of the vacuum hot water kettle and controls the vacuum hot water kettle to return to the step S1 again.
9. A heating control system for a vacuum hot-water kettle according to claim 6, wherein said information acquisition module:
when the real-time slope value is reduced, the information acquisition module acquires the temperature information that the water in the vacuum hot water kettle is about to be boiled and sends out a warning signal to the warning module.
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Cited By (1)
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Effective date of registration: 20251215 Address after: 510000 Guangdong Province, Guangzhou City, Huadu District, Guangwu Huijing Plaza, Huijing Xie Er Street No. 2, 504th Floor Patentee after: Guangzhou Jitai Electrical Technology Co.,Ltd. Country or region after: China Address before: 315105 Zhejiang Province Ningbo City Yindong Street Yingxiang Road 708 Yindong District Patentee before: NINGBO DEJINGYUAN TECHNOLOGY CO.,LTD. Country or region before: China |