CN112856823A - Water heater control method and control system, water heater, electronic equipment and medium - Google Patents
Water heater control method and control system, water heater, electronic equipment and medium Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
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- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
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Abstract
The invention relates to a water heater control method and a control system, a water heater, electronic equipment and a medium, wherein a heating delay of the water heater is determined, when the output water flow of the water heater has water flow fluctuation, a water flow change trend is determined according to water flow change data of the water flow output by the water heater, a water flow output value required by the water heater at the current moment is obtained according to the heating delay, the water flow change trend, the water specific heat capacity and the current water temperature difference value in the water heater, the water heater is controlled to output water flow according to the water flow output value, so that the water flow fluctuation condition of the water flow output by the water heater is obtained in advance at the previous moment, the water flow required to be output when the water heater reaches a preset target water temperature value at the next moment is obtained in advance, and the water temperature value of the water flow output by the water heater at, the constant temperature of the water flow output by the water heater is realized, the phenomenon that the water flow is suddenly cooled and suddenly heated is avoided, and the use experience effect of a user is improved.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a water heater control method and system, a water heater, electronic equipment and a medium.
Background
The water heater becomes necessary electrical equipment for people's life, and can provide hot water and cold water with proper temperature for people's daily life. The existing water heaters mainly comprise an electric heating water heater and a gas water heater.
The Chinese invention patent CN110530035B discloses an automatic control method of a water heater, which predicts the set temperatures of the water heater in different time periods corresponding to the future water use process according to the water consumption corresponding to different time periods in the historical water use process and the water consumption which can be supplied by different set temperatures of the water heater, and then controls the water heater according to the predicted set temperatures of the water heater in different time periods corresponding to the future water use process, thereby realizing the purpose of achieving the intelligent control of the water heater without manually reserving the temperature of the water heater by a user. The essence of the automatic control method of the water heater disclosed in the invention patent CN110530035B lies in predicting the future water usage situation according to the historical usage rules of the water heater (historical water usage time period, corresponding water usage amount and temperature of required water flow), and further setting different temperatures and water usage amounts at different future time ends.
However, the automatic control method of the water heater disclosed in the patent CN110530035B of the invention also has the following defects: for the water heater, although the water quantity and the temperature condition of the corresponding time period in the future can be predicted and set through the historical usage rule, in the actual use process of the water heater, the water pressure of the water flow entering the water heater often fluctuates, so that the water flow of the water flow output after the water heater works also fluctuates greatly, and the fluctuation phenomenon of the water flow is more obvious in the homes of high-rise residents. The fluctuation of the water flow output by the water heater reduces the water outlet performance of the water heater, so that the output water flow can be cooled and heated. Obviously, the automatic control method of the water heater disclosed in the patent CN110530035B of the invention cannot fully consider the adverse effect caused by the water flow fluctuation of the water heater in the actual operation, so that the experience effect of the user when using the water heater is reduced due to the sudden cold and hot water temperature caused by the water flow fluctuation.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a water heater control method for controlling the water outlet flow rate in view of the above prior art.
The second technical problem to be solved by the present invention is to provide a water heater control system for implementing the above water heater control method.
The third technical problem to be solved by the invention is to provide a water heater with the water heater control system.
A fourth technical problem to be solved by the present invention is to provide an electronic device. The electronic equipment comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and when the processor executes the computer program, the water heater control method is realized.
A fifth technical problem to be solved by the present invention is to provide a readable storage medium. The readable storage medium stores a computer program which, when executed by a processor, implements the water heater control method.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the control method of the water heater is characterized by comprising the following steps:
step a, determining heating time delay when the water heater performs heating work under the condition that water flow and water temperature output by the water heater are normal; the heating time delay is the time interval from the heating starting time of the water heater to the rising time of the water temperature in the water heater;
b, judging whether water flow fluctuation occurs in the water flow output in the heating process of the water heater;
step c, processing according to the judgment result of whether water flow fluctuation occurs:
when water flow fluctuation occurs, the step d is carried out; otherwise, turning to the step b;
d, determining the water flow variation trend of the water heater according to the water flow variation data of the water flow output by the water heater;
step e, obtaining a current water temperature difference value in the water heater according to a preset target water temperature value aiming at the water flow output by the water heater and a current water temperature value in the water heater;
and f, obtaining a water flow output value required by the water heater at the current moment according to the heating time delay of the water heater, the water flow change trend, the current water temperature difference value and the specific heat capacity of water, and controlling the water heater to output water flow according to the obtained water flow output value.
The water heater control method determines the water flow change trend of the water heater according to the water flow change data of the water flow output by the water heater by determining the heating time delay of the water heater and judging the water flow fluctuation of the water flow output by the water heater, then obtains the water flow output value required by the water heater at the current moment according to the heating time delay, the water flow change trend, the water specific heat capacity and the current water temperature difference value in the water heater, controls the water heater to output the water flow according to the obtained water flow output value, thereby fusing the heating time delay and the water flow change trend of the water heater into the water flow output control aiming at the current moment of the water heater, leading the water heater to accurately obtain the water flow fluctuation condition of the water flow output by the water heater at the previous moment in advance, and knowing the water flow required to be output when the water heater reaches the preset target water temperature value at the next, and then guaranteed that the water temperature value of the rivers that the water heater exported at every moment keeps at predetermineeing target water temperature value always, realized the constant temperature of the rivers that the water heater exported, avoided the emergence that rivers are suddenly cold and suddenly hot phenomenon, improved the experience effect when the user used the water heater.
Specifically, in the water heater control method of the present invention, in step f, the water flow output value required by the water heater at the current time is calculated as follows:
qt＝c·Qt+τ·△Tt，△Tt＝Tt-Taim；
wherein q istThe water flow output value required by the water heater at the current moment t is shown, c is the specific heat capacity of water, tau is the heating time delay of the water heater, and Qt+τThe water flow output value T corresponding to the water heater at the moment T + tau according to the water flow variation trendaimPreset target water temperature value, T, for water flow output by a water heatertIs the water temperature value of the water in the water heater at the current moment T, delta TtIs the current in the water heaterThe water temperature difference tau is more than or equal to 0 and t>0。
In addition, more specifically, in the method for controlling a water heater of the present invention, in the step b, the invention determines whether or not the water heater has water flow fluctuation as in the following steps S1 to S3:
step S1, determining the actual change cycle of the water flow output by the water heater;
step S2, determining the average value of the water flow output by the water heater in any one actual water flow change period;
step S3, judging according to the real-time water flow value of the water flow output by the water heater and the water flow average value:
when the real-time water flow value of the water flow output by the water heater exceeds the water flow average value, judging that the water flow output by the water heater has water flow fluctuation; otherwise, judging that the water flow output by the water heater does not have water flow fluctuation.
In order to meet the actual requirements of people for using water heaters with different heating modes, in the water heater control method, the water heater can be a gas water heater or an electric heating water heater or a solar water heater. Of course, the water heater may be a water heater device using other heating methods.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the water heater control system for realizing the water heater control method is characterized by comprising the following steps:
the water flow detection module is used for detecting the water flow output by the water heater;
the water temperature detection module is arranged in the water heater and is used for detecting the water temperature value in the water heater;
a timing module;
the valve is used for opening or closing a water flow output channel of the water heater;
and the controller is respectively connected with the water flow detection module, the water temperature detection module, the timing module and the valve, processes the water flow value according to the water flow value sent by the water flow detection module, the water temperature value sent by the water temperature detection module and the timing data of the timing module to obtain a water flow output value required by the water heater to output the water flow with a preset target water temperature value, and controls the valve to be opened so that the water heater outputs the water flow according to the obtained water flow output value.
Specifically, in the water heater control system of the present invention, the controller calculates the water flow output value required by the water heater at the current time as follows:
qt＝c·Qt+τ·△Tt，△Tt＝Tt-Taim；
wherein q istThe water flow output value required by the water heater at the current moment t is shown, c is the specific heat capacity of water, tau is the heating time delay of the water heater, and Qt+τThe water flow output value T corresponding to the water heater at the moment T + tau according to the water flow variation trendaimPreset target water temperature value, T, for water flow output by a water heatertIs the water temperature value of the water in the water heater at the current moment T, delta TtTau is more than or equal to 0 and t is the current water temperature difference value in the water heater>0。
In order to simplify the product structure, in the water heater control system of the invention, the timing module is integrated on the controller.
As a specific setting position of the water flow detection module, in the water heater control system of the invention, the water flow detection module is arranged at a water flow output channel of the water heater.
The technical scheme adopted by the invention for solving the third technical problem is as follows: the water heater is characterized in that any one of the water heater control systems is applied.
In addition, in order to meet the actual requirements of people for using water heaters with different heating modes, the water heater of the invention is a gas water heater or an electric heating water heater or a solar water heater. Of course, the water heater may be a water heater device using other heating methods.
The technical scheme adopted by the invention for solving the fourth technical problem is as follows: the electronic device is characterized by comprising a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the computer program, the water heater control method is realized.
The technical scheme adopted by the invention for solving the fifth technical problem is as follows: readable storage medium on which a computer program is stored, wherein the computer program, when executed by a processor, implements any of the water heater control methods.
Compared with the prior art, the invention has the advantages that: the invention determines the heating time delay of the water heater when the output water flow of the water heater is stable, determines the water flow change trend of the water heater according to the water flow change data of the water flow output by the water heater when judging that the output water flow of the water heater has water flow fluctuation, then obtains the water flow output value required by the water heater at the current moment according to the heating time delay, the water flow change trend, the specific heat capacity of water and the current water temperature difference value in the water heater, controls the water heater to output the water flow according to the obtained water flow output value, thereby fusing the heating time delay and the water flow change trend of the water heater into the water flow output control aiming at the current moment of the water heater, leading the water heater to accurately obtain the water flow fluctuation condition of the output water flow at the previous moment in advance, and knowing the water flow required to be output when the water heater reaches the preset target water temperature, the adverse effect of heating time delay on the control of the water flow output by the water heater is avoided, the water temperature value of the water flow output by the water heater at each moment is kept at the preset target water temperature value, the constant temperature of the water flow output by the water heater is realized, the phenomenon that the water flow is suddenly cooled and suddenly heated is avoided, and the experience effect of a user when the water heater is used is improved.
Drawings
FIG. 1 is a schematic flow chart of a water heater control method in this embodiment;
fig. 2 is a schematic flow chart illustrating a process of determining whether water flow fluctuation occurs in the water heater in this embodiment;
fig. 3 is a schematic connection diagram of main components in the control system of the water heater according to the embodiment.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The embodiment provides a water heater control method, in particular to a control method for water flow output by a gas water heater. Specifically, referring to fig. 1, the water heater control method of the embodiment includes the following steps a to f:
step a, determining heating time delay when the water heater performs heating work under the condition that water flow and water temperature output by the water heater are normal; the heating time delay is the time interval from the heating starting time of the water heater to the rising time of the water temperature in the water heater; the heating time delay is marked as tau, and tau is more than or equal to 0;
b, judging whether water flow fluctuation occurs in the water flow output in the heating process of the water heater;
step c, processing according to the judgment result of whether water flow fluctuation occurs:
when water flow fluctuation occurs, the step d is carried out; otherwise, turning to the step b; referring to fig. 2, in this embodiment, whether the water heater has water flow fluctuation is determined according to the following steps S1 to S3:
step S1, determining the actual change cycle of the water flow output by the water heater;
step S2, determining the average value of the water flow output by the water heater in any one actual water flow change period;
step S3, judging according to the real-time water flow value of the water flow output by the water heater and the water flow average value:
when the real-time water flow value of the water flow output by the water heater exceeds the water flow average value, judging that the water flow output by the water heater has water flow fluctuation; otherwise, judging that the water flow output by the water heater does not have water flow fluctuation.
D, determining the water flow variation trend of the water heater according to the water flow variation data of the water flow output by the water heater; in this embodiment, the hot water can be obtained by using the existing LSTM network regression analysis methodThe water flow variation trend of the device; specifically, a certain amount of water flow variation data of the water flow output by the water heater may be selected, for example, N water flow variation data may be selected, and then N of the N water flow variation data may be utilized1Obtaining a water flow change trend curve of the water heater by using the LSTM network regression analysis method for the water flow change data, and then utilizing the residual N-N1The water flow change data is used for verifying the correctness of the obtained water flow change trend curve of the water heater, so that the verified correct water flow change trend curve represents the water flow change trend of the water heater;
after the LSTM network regression analysis method is used for processing and verifying, the finally determined water flow change trend curve of the water heater meets the functional relation QtQ (t), the water flow rate of the water heater at time t is denoted q (t);
step e, obtaining a current water temperature difference value in the water heater according to a preset target water temperature value aiming at the water flow output by the water heater and a current water temperature value in the water heater; wherein, the preset target water temperature value is marked as TaimThe water temperature value of the water in the water heater at the current moment T and the current water temperature difference value in the water heater are marked as delta Tt，△Tt＝Tt-Taim，t>0；
F, according to the heating time delay tau of the water heater, the water flow change trend and the current water temperature difference delta TtAnd the specific heat capacity c of the water, obtaining a water flow output value required by the water heater at the current moment t, and controlling the water heater to output water flow according to the obtained water flow output value. Wherein, the water flow output value of the water heater required at the current moment t is marked as qt，qt＝c·Qt+τ·△Tt，Qt+τThe water flow output value Q corresponding to the water heater at the time t + tau according to the water flow variation trendt+τ＝Q(t+τ)；
Referring to fig. 3, the embodiment further provides a water heater control system implementing the water heater control method. Specifically, the water heater control system of this embodiment includes:
the water flow detection module 11 is arranged at a water flow output channel of the water heater and is used for detecting the water flow output by the water heater;
the water temperature detection module 12 is arranged in the water heater and is used for detecting the water temperature value in the water heater;
a timing module 13;
a valve 14 for opening or closing a water flow output channel of the water heater;
the controller 15 is respectively connected with the water flow detection module 11, the water temperature detection module 12, the timing module 13 and the valve 14, processes the water flow value according to the water flow value sent by the water flow detection module 11, the water temperature value sent by the water temperature detection module 12 and the timing data of the timing module 13 to obtain a water flow output value required by the water heater to output water flow with a preset target water temperature value, and controls the valve 14 to be opened so that the water heater outputs water flow according to the obtained water flow output value. Wherein the timing module 13 is integrated on the controller 15. The controller 15 here calculates the water flow output value required by the water heater at the current time t as follows:
qt＝c·Qt+τ·△Tt，△Tt＝Tt-Taim；
wherein q istThe water flow output value required by the water heater at the current moment t is shown, c is the specific heat capacity of water, tau is the heating time delay of the water heater, and Qt+τAccording to the water flow variation trend curve Q for the water heatertQ (T) water flow rate output value, T, corresponding to time T + τaimPreset target water temperature value, T, for water flow output by a water heatertIs the water temperature value of the water in the water heater at the current moment T, delta TtTau is more than or equal to 0 and t is the current water temperature difference value in the water heater>0。
The embodiment also provides a gas water heater. Wherein, this gas heater uses there is above-mentioned water heater control system.
The embodiment also provides an electronic device. The electronic equipment comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and when the processor executes the computer program, the water heater control method is realized.
Furthermore, the embodiment provides a readable storage medium. Specifically, the readable storage medium stores thereon a computer program, which when executed by a processor, implements the water heater control method described above. The readable storage medium herein may include: various storage media capable of storing program codes, such as a Universal Serial Bus flash drive (USB), a mobile hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be an independent physical module.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the technical solutions of the embodiments of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device, such as a personal computer, a server, or a network device, or a processor (processor) to execute all or part of the steps of the methods according to the embodiments of the present invention.
The computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart block or blocks.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method can be implemented in other ways. The above-described apparatus embodiments are merely illustrative. Each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
It should be noted that the embodiment is merely an example of the gas water heater, and the water heater control method, the water heater control system, the electronic device, and the readable storage medium of the invention are described. According to actual needs, the gas water heater in the embodiment can be replaced by an electric heating water heater or a solar water heater or a water heater device adopting other heating modes.
Claims (11)
1. The control method of the water heater is characterized by comprising the following steps:
step a, determining heating time delay when the water heater performs heating work under the condition that water flow and water temperature output by the water heater are normal; the heating time delay is the time interval from the heating starting time of the water heater to the rising time of the water temperature in the water heater;
b, judging whether water flow fluctuation occurs in the water flow output in the heating process of the water heater;
step c, processing according to the judgment result of whether water flow fluctuation occurs:
when water flow fluctuation occurs, the step d is carried out; otherwise, turning to the step b;
d, determining the water flow variation trend of the water heater according to the water flow variation data of the water flow output by the water heater;
step e, obtaining a current water temperature difference value in the water heater according to a preset target water temperature value aiming at the water flow output by the water heater and a current water temperature value in the water heater;
and f, obtaining a water flow output value required by the water heater at the current moment according to the heating time delay of the water heater, the water flow change trend, the current water temperature difference value and the specific heat capacity of water, and controlling the water heater to output water flow according to the obtained water flow output value.
2. The control method of the water heater according to claim 1, wherein in step f, the water flow output value required by the water heater at the current moment is calculated as follows:
qt＝c·Qt+τ·△Tt，△Tt＝Tt-Taim；
wherein q istThe water flow output value required by the water heater at the current moment t is shown, c is the specific heat capacity of water, tau is the heating time delay of the water heater, and Qt+τThe water flow output value T corresponding to the water heater at the moment T + tau according to the water flow variation trendaimPreset target water temperature value, T, for water flow output by a water heatertIs the water temperature value of the water in the water heater at the current moment T, delta TtTau is more than or equal to 0 and t is the current water temperature difference value in the water heater>0。
3. The water heater control method according to claim 1 or 2, wherein in the step b, whether the water heater has water flow fluctuation is judged according to the following steps S1-S3:
step S1, determining the actual change cycle of the water flow output by the water heater;
step S2, determining the average value of the water flow output by the water heater in any one actual water flow change period;
step S3, judging according to the real-time water flow value of the water flow output by the water heater and the water flow average value:
when the real-time water flow value of the water flow output by the water heater exceeds the water flow average value, judging that the water flow output by the water heater has water flow fluctuation; otherwise, judging that the water flow output by the water heater does not have water flow fluctuation.
4. The water heater control method according to claim 1 or 2, wherein the water heater is a gas-type water heater or an electric-heating-type water heater or a solar-type water heater.
5. A water heater control system for realizing the water heater control method according to any one of claims 1 to 4, comprising:
the water flow detection module (11) is used for detecting the water flow output by the water heater;
the water temperature detection module (12) is arranged in the water heater and is used for detecting the water temperature value in the water heater;
a timing module (13);
a valve (14) for opening or closing the water flow output channel of the water heater;
and the controller (15) is respectively connected with the water flow detection module (11), the water temperature detection module (12), the timing module (13) and the valve (14), processes and obtains a water flow output value required by the water heater to output water with a preset target water temperature value according to the water flow value sent by the water flow detection module (11), the water temperature value sent by the water temperature detection module (12) and timing data of the timing module (13), and controls the valve (14) to be opened so that the water heater outputs water according to the obtained water flow output value.
6. The water heater control system according to claim 5, wherein the timing module (13) is integrated on the controller (15).
7. The water heater control system according to claim 5 or 6, characterized in that the water flow detection module (11) is provided at a water flow output channel of the water heater.
8. A water heater, characterized in that, the water heater control system of any claim 5 ~ 7 has been used.
9. The water heater according to claim 8, wherein the water heater is a gas water heater or an electric heating water heater or a solar water heater.
10. Electronic equipment, characterized by comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor, when executing the computer program, implements the water heater control method according to any one of claims 1 to 4.
11. Readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out a water heater control method according to any one of claims 1 to 4.
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| CN111912118A (en) * | 2020-08-07 | 2020-11-10 | 华帝股份有限公司 | Constant temperature control method of gas water heater |
| CN112050476A (en) * | 2020-09-07 | 2020-12-08 | 芜湖美的厨卫电器制造有限公司 | Temperature control method, device and equipment of water heater and water heater |
| CN112066567A (en) * | 2020-10-09 | 2020-12-11 | 宁波方太厨具有限公司 | Constant temperature control method and system for gas water heater, electronic equipment and storage medium |
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