CN110567163B - Water heater control method and device and water heater - Google Patents
Water heater control method and device and water heater Download PDFInfo
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- CN110567163B CN110567163B CN201910784264.3A CN201910784264A CN110567163B CN 110567163 B CN110567163 B CN 110567163B CN 201910784264 A CN201910784264 A CN 201910784264A CN 110567163 B CN110567163 B CN 110567163B
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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
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
Abstract
The invention relates to a water heater control method, a device and a water heater, wherein the control method comprises the following steps: recording the running information of the water heater within preset days; according to the operation information, determining the estimated power consumption of the water heater every day within the future preset days; and controlling the running state of the water heater every day within the future preset days according to the estimated power consumption so as to enable the actual power consumption of the water heater every day within the future preset days to be lower than a preset value, wherein the preset value is related to the estimated power consumption. According to the technical scheme provided by the invention, the running state of the water heater in the preset days in the future is controlled by recording the running information of the water heater when the user comfortably uses water in the preset days in the past, so that the actual power consumption of the water heater in the preset days in the future is controlled to be lower than the preset value, the power consumption of the user can be controlled on the premise of ensuring comfortable water use, and the water heater is energy-saving, environment-friendly, good in user experience degree and high in satisfaction degree.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater control method and device and a water heater.
Background
The water heater is a household essential living electric appliance, and the requirements on the control of the water heater are higher and higher along with the improvement of the living standard of people.
When a user generally uses hot water, the water temperature value required by the user is not clear, the water temperature suitable for the body is achieved only by adjusting mixed water, and meanwhile, the concept of the power consumption of the hot water is not provided, and the control cannot be realized. Therefore, the control method of the water heater in the prior art cannot ensure that the user can control the power consumption of the water heater on the premise of comfortable water consumption, so as to achieve the purposes of energy conservation and comfort.
Disclosure of Invention
In order to overcome the problems in the related art at least to a certain extent, the invention provides a water heater control method, a water heater control device and a water heater, so as to solve the problem that the power consumption of the water heater can not be controlled on the premise that a user can not comfortably use water in the water heater in the prior art.
According to a first aspect of embodiments of the present invention, there is provided a water heater control method including:
recording the running information of the water heater within preset days;
according to the operation information, determining the estimated power consumption of the water heater every day within the future preset days;
and controlling the running state of the water heater every day within the future preset days according to the estimated power consumption so as to enable the actual power consumption of the water heater every day within the future preset days to be lower than a preset value, wherein the preset value is related to the estimated power consumption.
Preferably, the operation information includes:
ambient temperature, water tank temperature, outlet water temperature and actual power consumption.
Preferably, the determining the estimated power consumption of the water heater for each day in a preset number of days in the future comprises:
constructing a power consumption model of the water heater according to the operation information; the power consumption model is a function expression between the power consumption and the ambient temperature and the water tank temperature;
and determining the estimated power consumption of the water heater every day in the future preset days according to the power consumption model.
Preferably, the method further comprises:
according to the outlet water temperature, the water tank temperature of the water heater in the future preset days is estimated;
acquiring the ambient temperature of each day in the preset days in the future;
the predicted power consumption of the water heater in the preset days in the future comprises the following steps:
and inputting the water tank temperature and the environment temperature into the power consumption model to obtain the estimated power consumption of the water heater every day in the future preset days.
Preferably, the predicting of the temperature of the water tank of the water heater in the preset days in the future includes:
recording the initial water tank temperature set by a user when the user heats for the first time;
recording the actual outlet water temperature of the water heater under the initial water tank temperature;
and estimating the actual outlet water temperature as the water tank temperature at the next opening.
Preferably, the controlling the operation state of the water heater in each day within a preset number of days in the future includes:
and determining the latest finishing time of the heating of the water heater according to the water using time set by the user.
Preferably, the method further comprises:
and outputting the operation information and a preset value, and receiving the water tank temperature set by a user and the preset value.
Preferably, the method further comprises:
and if the preset value is reduced by the user, controlling the water outlet temperature of the water heater at the next moment to be lower than the current water outlet temperature by the preset temperature until the actual power consumption of the water heater is lower than or equal to the preset value after the user adjusts.
Preferably, the method further comprises:
if the user does not reset the water tank temperature of the water heater within the preset time after the user reduces the preset value, determining that the user can accept the current outlet water temperature and keeping the current water tank temperature to operate; and/or if the user resets the water tank temperature of the water heater within the preset time after the user reduces the preset value, determining that the user cannot accept the current outlet water temperature, and readjusting the preset value until the user does not reset the water tank temperature within the preset time.
According to a second aspect of the embodiments of the present invention, there is provided a water heater control device including:
the recording module is used for recording the running information of the water heater within preset days;
the determining module is used for determining the estimated power consumption of the water heater every day within the future preset days according to the operation information;
and the control module is used for controlling the running state of the water heater in each day in the future preset days according to the estimated power consumption so as to enable the actual power consumption of the water heater in each day in the future preset days to be lower than a preset value, and the preset value is related to the estimated power consumption.
According to a third aspect of embodiments of the present invention, there is provided a water heater including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
recording the running information of the water heater within preset days;
according to the operation information, determining the estimated power consumption of the water heater every day within the future preset days;
and controlling the running state of the water heater every day within the future preset days according to the estimated power consumption so as to enable the actual power consumption of the water heater every day within the future preset days to be lower than a preset value, wherein the preset value is related to the estimated power consumption.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
the method comprises the steps of determining the estimated power consumption of the water heater every day in the future preset days by recording the running information of the water heater when a user comfortably uses water in the past preset days, and controlling the running state of the water heater every day in the future preset days according to the estimated power consumption so as to control the actual power consumption of the water heater every day in the future preset days to be lower than a preset value, thereby ensuring that the user can control the power consumption on the premise of comfortable water use, and being energy-saving, environment-friendly, good in user experience degree and high in satisfaction degree.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a flow chart illustrating a water heater control method according to an exemplary embodiment;
FIG. 2 is a schematic diagram of a water heater according to an exemplary embodiment;
FIG. 3 is a flow chart illustrating a water heater control method according to another exemplary embodiment;
FIG. 4 is a schematic block diagram illustrating a water heater control device according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
FIG. 1 is a flow chart illustrating a method of controlling a water heater, as shown in FIG. 1, according to an exemplary embodiment, the method comprising:
step S11, recording the running information of the water heater within the preset days;
step S12, determining the estimated power consumption of the water heater in the preset days in the future according to the operation information;
and step S13, controlling the running state of the water heater in each day in the preset days in the future according to the estimated power consumption so as to enable the actual power consumption of the water heater in each day in the preset days in the future to be lower than a preset value, wherein the preset value is related to the estimated power consumption.
It should be noted that the preset number of days may be set according to the user's needs, for example, set to 3 days. The preset number of days in the future refers to a preset number of days from the current time, for example, 3 days from the current time.
Taking preset days as 3 days as an example, the essence of the technical scheme provided by the invention is that the operation information of the water heater is comprehensively recorded every 3 days (the number of days is adjustable by a user) of the water heater, so as to determine the operation condition of the next three days; and then, the operation information of the last three days is used again, and the operation condition of the last three days is controlled.
It should be noted that the preset value is set according to a historical experience value, or experimental data, or a user needs to set, for example, to be an estimated power consumption amount, or to be 1.1 times of the estimated power consumption amount.
It can be understood that when the water heater is used, the temperature of the water tank is only a reference, and users can adjust the water outlet temperature of the water heater by mixing water according to the needs of the users until the users feel comfortable. When the running information of the water heater in the preset days is recorded, the temperature of the water tank of the water heater and the water outlet temperature are recorded, and the running state of the water heater is controlled according to the recorded running information, so that the water outlet comfort can be ensured, the power consumption can be controlled, and the control purpose of energy conservation and comfort is achieved.
It can be understood that, according to the technical scheme provided by this embodiment, the estimated power consumption of the water heater in the preset days in the future is determined by recording the operation information of the water heater when the user comfortably uses water in the preset days in the past, and according to the estimated power consumption, the operation state of the water heater in the preset days in the future is controlled, so that the actual power consumption of the water heater in the preset days in the future is controlled to be lower than the preset value, and the power consumption can be controlled on the premise that the user comfortably uses water, so that the energy-saving and environment-friendly water heater has the advantages of energy saving, good user experience and high satisfaction.
Preferably, the operation information includes:
ambient temperature, water tank temperature, outlet water temperature and actual power consumption.
It should be noted that the technical solution provided by this embodiment is applicable to the water heater shown in fig. 2. Referring to fig. 2, the water heater includes:
the first temperature sensing bulb 1 is arranged on a water outlet pipeline of the water heater and used for measuring the water outlet temperature of the water heater;
the second temperature sensing bulb 2 is arranged on a water inlet pipeline of a water tank of the water heater;
the third temperature sensing bulb 3 is arranged on a water outlet pipeline of a water tank of the water heater;
the flow metering device 4 is arranged on a water outlet pipeline of a water tank of the water heater;
and the current metering device 5 is used for detecting the current of the compressor.
It can be understood that the actual power consumption of the water heater can be calculated according to the current value detected by the current metering device, the voltage value on the power supply circuit of the compressor and the starting time of the water heater.
The actual power consumption of the water heater is affected by the ambient temperature, the water inlet and outlet temperature of the water tank and the water flow, and therefore, when the working state of the water heater is controlled, the operation information needs to be taken into consideration.
Preferably, the determining the estimated power consumption of the water heater for each day in a preset number of days in the future comprises:
constructing a power consumption model of the water heater according to the operation information; the power consumption model is a function expression between the power consumption and the ambient temperature and the water tank temperature;
and determining the estimated power consumption of the water heater every day in the future preset days according to the power consumption model.
Preferably, the method further comprises:
according to the outlet water temperature, the water tank temperature of the water heater in the future preset days is estimated;
acquiring the ambient temperature of each day in the preset days in the future;
the predicted power consumption of the water heater in the preset days in the future comprises the following steps:
and inputting the water tank temperature and the environment temperature into the power consumption model to obtain the estimated power consumption of the water heater every day in the future preset days.
Preferably, the predicting of the temperature of the water tank of the water heater in the preset days in the future includes:
recording the initial water tank temperature set by a user when the user heats for the first time;
recording the actual outlet water temperature of the water heater under the initial water tank temperature;
and estimating the actual outlet water temperature as the water tank temperature at the next opening.
It can be understood that the technical scheme that this embodiment provided predicts the current actual leaving water temperature of water heater as the water tank temperature when opening next time, can solve when the user uses hot water the temperature value to demand itself is unclear, only leans on muddy water to adjust suitable temperature, causes the problem of energy waste.
Preferably, the controlling the operation state of the water heater in each day within a preset number of days in the future includes:
and determining the latest finishing time of the heating of the water heater according to the water using time set by the user.
Preferably, the method further comprises:
and outputting the operation information and a preset value, and receiving the water tank temperature set by a user and the preset value.
It can be understood that, according to the technical scheme provided by this embodiment, by outputting the operation information and the preset value and receiving the water tank temperature and the preset value set by the user, the problem that the power consumption of the water heater is not clearly and uncontrollable by the user and the energy is not saved can be solved.
Preferably, the method further comprises:
and if the preset value is reduced by the user, controlling the water outlet temperature of the water heater at the next moment to be lower than the current water outlet temperature by the preset temperature until the actual power consumption of the water heater is lower than or equal to the preset value after the user adjusts.
It can be understood that the user may adjust the preset value to be lower as required, for example, adjust the preset value to be 0.9 times of the estimated power consumption. The preset temperature is set to be 2 ℃ according to historical experience values or experimental data, or the user needs to set the preset temperature.
Preferably, the method further comprises:
if the user does not reset the water tank temperature of the water heater within the preset time after the user reduces the preset value, determining that the user can accept the current outlet water temperature and keeping the current water tank temperature to operate; and/or if the user resets the water tank temperature of the water heater within the preset time after the user reduces the preset value, determining that the user cannot accept the current outlet water temperature, and readjusting the preset value until the user does not reset the water tank temperature within the preset time.
It can be understood that, the technical scheme provided by the embodiment can give consideration to both the comfort level experience of the user and the energy-saving requirement of the water heater, and the user can select a plurality of control methods, and has the advantages of wide applicable scenes, good user experience degree and high satisfaction degree.
FIG. 3 is a flow chart illustrating a method of controlling a water heater, as shown in FIG. 3, according to another exemplary embodiment, the method comprising:
step S21, recording the running information of the water heater within the preset days;
step S22, determining the estimated power consumption of the water heater in the preset days in the future according to the operation information;
step S23, determining the latest ending time of the heating of the water heater according to the estimated power consumption and the water consumption time set by the user, so that the actual power consumption of the water heater in the preset days in the future is lower than a preset value, and the preset value is related to the estimated power consumption;
step S24, outputting the operation information and a preset value, and receiving the water tank temperature and the preset value set by a user;
step S25, if the preset value is reduced by the user, controlling the water outlet temperature of the water heater at the next moment to be lower than the current water outlet temperature by the preset temperature until the actual power consumption of the water heater is lower than or equal to the preset value after the user adjusts;
step S26, if the user does not reset the water tank temperature of the water heater within the preset time after the user reduces the preset value, determining that the user can accept the current outlet water temperature and keeping the current water tank temperature running;
and step S27, if the user resets the water tank temperature of the water heater within the preset time after the user reduces the preset value, determining that the user cannot accept the current outlet water temperature, and readjusting the preset value until the user does not reset the water tank temperature within the preset time.
It can be understood that, according to the technical scheme provided by this embodiment, the estimated power consumption of the water heater in the preset days in the future is determined by recording the operation information of the water heater when the user comfortably uses water in the preset days in the past, and according to the estimated power consumption, the operation state of the water heater in the preset days in the future is controlled, so that the actual power consumption of the water heater in the preset days in the future is controlled to be lower than the preset value, and the power consumption can be controlled on the premise that the user comfortably uses water, so that the energy-saving and environment-friendly water heater has the advantages of energy saving, good user experience and high satisfaction.
Fig. 4 is a schematic block diagram illustrating a water heater control device 100 according to an exemplary embodiment, the device 100 including, as shown in fig. 4:
the recording module 101 is used for recording the running information of the water heater within preset days;
the determining module 102 is configured to determine, according to the operation information, an estimated power consumption of the water heater every day within a preset number of days in the future;
and the control module 103 is configured to control the operation state of the water heater every day within a preset number of days in the future according to the estimated power consumption, so that the actual power consumption of the water heater every day within the preset number of days in the future is lower than a preset value, and the preset value is related to the estimated power consumption.
It can be understood that, according to the technical scheme provided by this embodiment, the estimated power consumption of the water heater in the preset days in the future is determined by recording the operation information of the water heater when the user comfortably uses water in the preset days in the past, and according to the estimated power consumption, the operation state of the water heater in the preset days in the future is controlled, so that the actual power consumption of the water heater in the preset days in the future is controlled to be lower than the preset value, and the power consumption can be controlled on the premise that the user comfortably uses water, so that the energy-saving and environment-friendly water heater has the advantages of energy saving, good user experience and high satisfaction.
A water heater is shown according to an exemplary embodiment of the invention, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
recording the running information of the water heater within preset days;
according to the operation information, determining the estimated power consumption of the water heater every day within the future preset days;
and controlling the running state of the water heater every day within the future preset days according to the estimated power consumption so as to enable the actual power consumption of the water heater every day within the future preset days to be lower than a preset value, wherein the preset value is related to the estimated power consumption.
It can be understood that, according to the technical scheme provided by this embodiment, the estimated power consumption of the water heater in the preset days in the future is determined by recording the operation information of the water heater when the user comfortably uses water in the preset days in the past, and according to the estimated power consumption, the operation state of the water heater in the preset days in the future is controlled, so that the actual power consumption of the water heater in the preset days in the future is controlled to be lower than the preset value, and the power consumption can be controlled on the premise that the user comfortably uses water, so that the energy-saving and environment-friendly water heater has the advantages of energy saving, good user experience and high satisfaction.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. A method of controlling a water heater, comprising:
recording the running information of the water heater in the preset days, wherein the running information comprises: ambient temperature, water tank temperature, effluent temperature and actual power consumption;
constructing a power consumption model of the water heater according to the operation information; the power consumption model is a function expression between the power consumption and the ambient temperature and the water tank temperature;
according to the outlet water temperature, the temperature of the water tank of the hot water heater in the preset days in the future is estimated, and the method comprises the following steps:
recording the initial water tank temperature set by a user when the user heats for the first time;
recording the actual outlet water temperature of the water heater under the initial water tank temperature;
estimating the actual outlet water temperature as the water tank temperature at the next opening;
acquiring the ambient temperature of each day in the preset days in the future; inputting the water tank temperature and the environment temperature into the power consumption model to obtain the estimated power consumption of the water heater every day in the future preset days;
and controlling the running state of the water heater every day within the future preset days according to the estimated power consumption so as to enable the actual power consumption of the water heater every day within the future preset days to be lower than a preset value, wherein the preset value is related to the estimated power consumption.
2. The method of claim 1, wherein the predicting the tank temperature of the water heaters a predetermined number of days in the future comprises:
recording the initial water tank temperature set by a user when the user heats for the first time;
recording the actual outlet water temperature of the water heater under the initial water tank temperature;
and estimating the actual outlet water temperature as the water tank temperature at the next opening.
3. The method of claim 1, wherein controlling the operational status of the water heater on a predetermined number of days in the future comprises:
and determining the latest finishing time of the heating of the water heater according to the water using time set by the user.
4. The method of claim 1, further comprising:
and outputting the operation information and a preset value, and receiving the water tank temperature set by a user and the preset value.
5. The method of claim 1, further comprising:
and if the preset value is reduced by the user, controlling the water outlet temperature of the water heater at the next moment to be lower than the current water outlet temperature by the preset temperature until the actual power consumption of the water heater is lower than or equal to the preset value after the user adjusts.
6. The method of claim 5, further comprising:
if the user does not reset the water tank temperature of the water heater within the preset time after the user reduces the preset value, determining that the user can accept the current outlet water temperature and keeping the current water tank temperature to operate; and/or the presence of a gas in the gas,
and if the user resets the water tank temperature of the water heater within the preset time after the user reduces the preset value, determining that the user cannot accept the current outlet water temperature, and readjusting the preset value until the user does not reset the water tank temperature within the preset time.
7. A water heater control device, comprising:
the recording module is used for recording the running information of the water heater in the preset days, and the running information comprises: ambient temperature, water tank temperature, effluent temperature and actual power consumption;
the determining module is used for constructing a power consumption model of the water heater according to the operation information; the power consumption model is a function expression between the power consumption and the ambient temperature and the water tank temperature; according to the outlet water temperature, the temperature of the water tank of the hot water heater in the preset days in the future is estimated, and the method comprises the following steps: recording the initial water tank temperature set by a user when the user heats for the first time; recording the actual outlet water temperature of the water heater under the initial water tank temperature; estimating the actual outlet water temperature as the water tank temperature at the next opening; acquiring the ambient temperature of each day in the preset days in the future; inputting the water tank temperature and the environment temperature into the power consumption model to obtain the estimated power consumption of the water heater every day in the future preset days;
and the control module is used for controlling the running state of the water heater in each day in the future preset days according to the estimated power consumption so as to enable the actual power consumption of the water heater in each day in the future preset days to be lower than a preset value, and the preset value is related to the estimated power consumption.
8. A water heater, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
recording the running information of the water heater in the preset days, wherein the running information comprises: ambient temperature, water tank temperature, effluent temperature and actual power consumption;
constructing a power consumption model of the water heater according to the operation information; the power consumption model is a function expression between the power consumption and the ambient temperature and the water tank temperature;
according to the outlet water temperature, the step of predicting the water tank temperature of the hot water heater in the preset days in the future comprises the following steps:
recording the initial water tank temperature set by a user when the user heats for the first time; recording the actual outlet water temperature of the water heater under the initial water tank temperature; estimating the actual outlet water temperature as the water tank temperature at the next opening;
acquiring the ambient temperature of each day in the preset days in the future; inputting the water tank temperature and the environment temperature into the power consumption model to obtain the estimated power consumption of the water heater every day in the future preset days;
and controlling the running state of the water heater every day within the future preset days according to the estimated power consumption so as to enable the actual power consumption of the water heater every day within the future preset days to be lower than a preset value, wherein the preset value is related to the estimated power consumption.
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| CN201910784264.3A CN110567163B (en) | 2019-08-23 | 2019-08-23 | Water heater control method and device and water heater |
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