CN112856823B - 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 PDF

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Publication number
CN112856823B
CN112856823B CN202110069029.5A CN202110069029A CN112856823B CN 112856823 B CN112856823 B CN 112856823B CN 202110069029 A CN202110069029 A CN 202110069029A CN 112856823 B CN112856823 B CN 112856823B
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water
water heater
water flow
heater
output
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CN112856823A (en
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朱小萌
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply

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 time delay of the water heater is determined, when the output water flow of the water heater fluctuates, a water flow change trend is determined according to water flow change data of the output water flow of the water heater, a water flow output value required by the water heater at the current moment is obtained 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 of 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 output water flow of 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, the water temperature value of the output water flow of the water heater at each moment is maintained at a preset target water temperature value, the constant temperature of the output water flow of the water heater is realized, the occurrence of a water flow cold and hot neglect phenomenon is avoided, and the use experience effect of a user is improved.

Description

Water heater control method and control system, water heater, electronic equipment and medium
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 for a water heater, which predicts the set temperatures of the water heater in different time periods corresponding to the future water using process according to the water consumption corresponding to different time periods in the historical water using process and the water consumption capable of being 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 using process, thereby realizing the purpose of achieving the intelligent control of the water heater without the need of manually reserving the temperature of the water heater by a user. The essence of the automatic control method of the water heater disclosed by the invention patent CN110530035B lies in that the future water consumption condition is predicted according to the historical use rule (historical water consumption time period, corresponding water consumption and temperature of required water flow) of the water heater, and then different temperatures and water consumption are set at different future time ends.
However, the automatic control method of the water heater disclosed in the invention patent CN110530035B also has the following disadvantages: 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 CN110530035B does not fully consider the adverse effect caused by the fluctuation of water flow rate of the water heater in actual operation, so that the experience effect of the user when using the water heater is reduced due to the temperature of the hot and cold water caused by the fluctuation of water flow rate.
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 above 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;
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 when the heating time delay of the water heater is determined, and when the water flow fluctuation of the output water flow of the water heater is determined, then the water flow change trend of the water heater, the water specific heat capacity and the current water temperature difference value in the water heater are determined, so that the water flow output value required by the water heater at the current moment is obtained, the water heater is controlled to output the water flow according to the obtained water flow output value, the heating time delay and the water flow change trend of the water heater are fused into the water flow output control aiming at the current moment of the water heater, the water heater can accurately obtain the water flow fluctuation condition of the output water flow at the previous moment in advance, the water flow required to be output when the water heater reaches the preset target water temperature value at the next moment is known in advance, the water flow required to be output by the water heater at the preset target water temperature value at each moment is ensured to be always maintained, the constant temperature of the water flow output by the water heater is realized, the water heater, the phenomenon of sudden cold and the heat is avoided, and the experience effect of the water heater when a user is improved.
In addition, in the method for controlling the water heater, in the step b, the invention judges whether the water heater has water flow fluctuation according to the following steps S1 to S3:
step S1, determining the actual change cycle of the water flow output by the water heater;
s2, determining the water flow average value of the water flow output by the water heater in any water flow actual change period;
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, it is judged that the water flow output by the water heater does not fluctuate.
In order to meet the actual requirements of people on 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.
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 adopting 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 method comprises the steps of determining the heating time delay of the water heater when the output water flow of the water heater is stable, determining 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 the output water flow of the water heater is judged to have water flow fluctuation, then obtaining 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, controlling the water heater to output the water flow according to the obtained water flow output value, 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, enabling the water heater to accurately obtain the water flow fluctuation condition of the output water flow at the previous moment in advance, obtaining the water flow required to be output when the water heater reaches the preset target water temperature value at the next moment in advance, avoiding the adverse effect of the water flow output control of the water heater caused by the heating time delay on the water heater, and further ensuring that the water temperature value of the output water heater is always maintained at the preset target water temperature value at each moment, thereby realizing the output of the water heater, avoiding the occurrence of water flow cold and improving the experience effect when the water heater is used by users.
Drawings
Fig. 1 is a schematic flow chart of a water heater control method in the 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 control method of the water heater of the embodiment includes the following steps a to f:
step a, under the condition that the water flow and the water temperature output by a water heater are normal, determining the heating time delay of the water heater when the water heater executes heating work; 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; 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 variation cycle of water flow output by a water heater;
s2, determining the water flow average value of the water flow output by the water heater in any water flow actual change period;
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 the embodiment, the water flow change trend of the water heater can be obtained by using the existing LSTM network regression analysis method; 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 utilized 1 Using LST for individual water flow rate variation dataObtaining a water flow change trend curve of the water heater by using an M network regression analysis method, and then utilizing the rest N-N 1 The 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;
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.
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 to 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 embodiment also provides a gas water heater. Wherein, this gas heater uses has 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 and/or 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 (10)

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 moment of the water heater to the rising moment 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 water heater control method according to claim 1, wherein in the step b, whether the water flow fluctuation occurs in the water heater is judged according to the following steps S1 to S3:
step S1, determining the actual change cycle of the water flow output by the water heater;
s2, determining the water flow average value of the water flow output by the water heater in any water flow actual change period;
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.
3. 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.
4. A water heater control system for realizing the water heater control method according to any one of claims 1 to 3, 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 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.
5. The water heater control system according to claim 4, wherein the timing module (13) is integrated on the controller (15).
6. The water heater control system according to claim 4 or 5, characterized in that the water flow detection module (11) is provided at a water flow output channel of the water heater.
7. A water heater is characterized in that the water heater control system of any one of claims 4 to 6 is applied.
8. The water heater according to claim 7, wherein the water heater is a gas water heater or an electric heating water heater or a solar water heater.
9. Electronic equipment, which 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 as claimed in any one of claims 1 to 3 is realized.
10. Readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the water heater control method according to any one of claims 1 to 3.
CN202110069029.5A 2021-01-19 2021-01-19 Water heater control method and control system, water heater, electronic equipment and medium Active CN112856823B (en)

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CN112856823B true CN112856823B (en) 2022-10-21

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US8498523B2 (en) * 2009-02-03 2013-07-30 Intellihot, Inc. Apparatus and control method for a hybrid tankless water heater
CN105276822A (en) * 2015-10-30 2016-01-27 青岛海尔科技有限公司 Constant-temperature control method and device for water heater
CN106052137A (en) * 2016-05-27 2016-10-26 珠海格力电器股份有限公司 Gas-fired hot water equipment and constant temperature control method and device
CN110530031B (en) * 2018-05-24 2022-10-18 青岛海尔智能技术研发有限公司 Control method of gas water heater
CN110454989B (en) * 2019-08-16 2023-11-21 华帝股份有限公司 Constant temperature control system and constant temperature control method for gas water heater
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