CN111380224A - Controllable supercharged gas water heater and water outlet flow control method thereof - Google Patents
Controllable supercharged gas water heater and water outlet flow control method thereof Download PDFInfo
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- CN111380224A CN111380224A CN201811613705.5A CN201811613705A CN111380224A CN 111380224 A CN111380224 A CN 111380224A CN 201811613705 A CN201811613705 A CN 201811613705A CN 111380224 A CN111380224 A CN 111380224A
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- mixing valve
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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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/185—Water-storage heaters using electric energy supply
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a controllable supercharged gas water heater and a water outlet flow control method thereof. The controllable booster type gas water heater comprises a controller and a combustion chamber, wherein a combustor and a heat exchange pipeline are arranged in the combustion chamber, the combustor is in signal connection with the controller, the controllable booster type gas water heater also comprises a water mixing valve and a first booster pump, a hot water outlet of the heat exchange pipeline is connected with a hot water port of the water mixing valve, and the first booster pump is connected with a water outlet of the water mixing valve; the gas water heater also comprises a trigger device, the trigger device is arranged in the bathing area and used for triggering the controller to control the first booster pump to be opened or closed, and the trigger device and the first booster pump are respectively in signal connection with the controller. The water outlet flow of the gas water heater is effectively increased, so that the user experience is improved.
Description
Technical Field
The invention relates to the technical field of gas water heaters, in particular to a controllable supercharged gas water heater and a water outlet flow control method thereof.
Background
At present, a gas water heater is a household appliance commonly used in daily life of people, and generally comprises a combustion chamber, a burner and a heat exchange pipeline, wherein the burner burns heat generated by natural gas (or liquefied gas) in the combustion chamber to heat water in the heat exchange pipeline in the combustion chamber, so that hot water supply is realized. In the actual use process, when the water pressure of the tap water pipe is low, in order to ensure that the water supply amount is sufficient, a booster pump is usually arranged at the water inlet of the heat exchange pipeline, namely, the water output by the tap water pipe is firstly boosted by the booster pump and then enters the heat exchange pipeline, and the water in the heat exchange pipeline is heated by a burner and then outputs hot water from the water outlet of the heat exchange pipeline. However, because the water itself has viscosity (i.e. internal friction) when the water flow runs in the pipeline, and friction exists between the water flow and the pipeline, the two friction forces form resistance to the flow of the water flow, in fluid mechanics, the water flow is composed of a plurality of fluid particles, and according to the kinetic energy theorem, in order to overcome the energy lost by the resistance of the water flow, the kinetic energy of the fluid particles at the later position is reduced compared with the kinetic energy at the former position, that is, the flow velocity of the fluid particles at the later position is reduced; and, the flow of rivers is the product of unit cross sectional area and fluid particle velocity of flow, consequently along with the reduction of fluid particle velocity of flow, the flow of rivers also can reduce thereupon, promptly along with the extension of pipeline on journey, the flow of rivers can reduce gradually, and because the booster pump sets up the cold water inlet at the water heater, the water of booster pump output will flow through whole heat transfer pipeline, the pipeline on journey that the rivers flow through is longer, make the flow that the booster pump promoted just consume totally when reaching the delivery port of muddy water valve, the increase effect of the water yield is relatively poor, lead to user experience nature lower. The invention aims to solve the technical problem of how to design a technology capable of increasing the water outlet flow of a gas water heater.
Disclosure of Invention
The invention provides a controllable supercharged gas water heater and a water outlet flow control method thereof, which can effectively increase the water outlet flow of the gas water heater so as to improve the user experience.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a controllable booster-type gas water heater comprises a controller and a combustion chamber, wherein a combustor and a heat exchange pipeline are arranged in the combustion chamber, the combustor is in signal connection with the controller, the controllable booster-type gas water heater also comprises a water mixing valve and a first booster pump, a hot water outlet of the heat exchange pipeline is connected with a hot water port of the water mixing valve, and the first booster pump is connected with a water outlet of the water mixing valve; the gas water heater also comprises a trigger device, the trigger device is arranged in the bathing area and used for triggering the controller to control the first booster pump to be opened or closed, and the trigger device and the first booster pump are respectively in signal connection with the controller.
Furthermore, a water outlet of the water mixing valve is provided with a temperature sensor, a second booster pump is further arranged between a hot water port of the water mixing valve and a hot water outlet of the heat exchange pipeline, the temperature sensor is used for triggering the controller to control the second booster pump to be opened or closed, and the second booster pump is in signal connection with the controller.
Furthermore, the water mixing valve is a constant-temperature water mixing valve, and the constant-temperature water mixing valve is in signal connection with the controller.
Furthermore, a water outlet of the water mixing valve is provided with a water flow sensor, and the water flow sensor is used for triggering the controller to control the first booster pump to be started or closed.
Further, the trigger device is a touch switch or a voice control switch.
The invention also provides a water outlet flow control method of the gas water heater, wherein the gas water heater comprises a controller, a combustion chamber, a water mixing valve and a first booster pump, a combustor and a heat exchange pipeline are arranged in the combustion chamber, a hot water outlet of the heat exchange pipeline is connected with a hot water port of the water mixing valve, and the first booster pump is connected with a water outlet of the water mixing valve; the gas water heater also comprises a trigger device, the trigger device is arranged in the bathing area and used for triggering the controller to control the first booster pump to be opened or closed, and the combustor, the trigger device and the first booster pump are respectively in signal connection with the controller;
the control method comprises the following steps: in the process of supplying hot water to the gas water heater, the controller is triggered by the trigger device to control the first booster pump to be started, the water yield of the first booster pump is increased, and meanwhile, the combustion amount of the burner is synchronously increased, so that the hot water output from a hot water outlet of the heat exchange pipeline is kept at a constant temperature.
Furthermore, a temperature sensor is arranged at the water outlet of the water mixing valve, and a second booster pump is also arranged between the hot water port of the water mixing valve and the hot water outlet of the heat exchange pipeline; the control method specifically comprises the following steps: after the water mixing valve is opened and the water temperature is adjusted, the controller controls the second booster pump to be started under the condition that the temperature sensor detects the temperature value of the water outlet of the water mixing valve to be reduced after the first booster pump is started.
Furthermore, the gas water heater also comprises a constant-temperature water mixing valve, a cold water port of the constant-temperature water mixing valve is connected with a tap water pipe, and the first booster pump is connected with a hot water port of the constant-temperature water mixing valve; the control method specifically comprises the following steps: after the water mixing valve is opened and the water temperature is adjusted, when the first booster pump is started, the constant-temperature water mixing valve correspondingly increases the hot water inlet amount of the hot water port.
The control method comprises the steps that after a first booster pump is started, the water outlet flow of the water mixing valve is increased and reaches a flow value required by a user, the user triggers a controller to close the first booster pump through a trigger device, the water flow sensor simultaneously obtains the flow value L0 when the first booster pump is closed, in the continuous water outlet process of the water mixing valve, when the flow value Lt detected by the water flow sensor is smaller than L0 and the difference value of the flow value Lt is larger than △ L1 in the closed state of the first booster pump, the controller controls the first booster pump to be started, and the first booster pump is continuously boosted until the flow value Lt detected by the water flow sensor is larger than L0 and the difference value of the flow value Lt is larger than △ L2, the controller controls the first booster pump to be closed.
Compared with the prior art, the invention has the advantages and positive effects that: the booster pump is directly configured at the water outlet of the water mixing valve, so that water output by the booster pump is directly supplied to a user water side, the water mixing valve corresponds to water in a suction heat exchange pipeline and a tap water pipe under the suction effect of the booster pump, the water outlet amount of the water side is used in the increase user which can be obvious, the influence of overlarge water flow resistance caused by long pipeline edge is effectively reduced, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first schematic diagram of the structure of an embodiment of the gas water heater of the present invention;
fig. 2 is a second schematic structural diagram of the gas water heater according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the gas water heater of this embodiment includes a controller 4 and a combustion chamber (not shown), a burner (not shown) and a heat exchange pipeline 1 are disposed in the combustion chamber, and the heat exchange pipeline 1 is provided with a cold water inlet and a hot water outlet, where, for specific structural forms and assembly manners of the combustion chamber, the burner and the heat exchange pipeline 1, reference may be made to a gas water heater in the prior art, and no further description or limitation is made herein, in order to fully utilize the pressurization capacity of the pressurization pump, the hot water outlet of the heat exchange pipeline 1 is connected to a water mixing valve 2, and a water outlet of the water mixing valve 2 is connected to a first pressurization pump 3; meanwhile, the gas water heater further comprises a trigger device 41, the trigger device is arranged in the bathing area and used for triggering the controller 4 to control the first booster pump 3 to be opened or closed, and the trigger device 41 and the first booster pump 3 are respectively in signal connection with the controller 4.
Specifically, in the gas water heater of the embodiment, during the bathing process of the user, the user starts the first booster pump 3 through the trigger device 41 to realize pressurization so as to increase the water outlet flow rate of the water mixing valve 2, because the first booster pump 3 is directly connected with the water outlet of the water mixing valve 2, the water output by the first booster pump 3 is directly supplied to the water side of a user, thus, the user can intuitively feel the increase of the water quantity, the length of the pipeline through which the hot water output from the first booster pump 3 flows is effectively shortened, compared with the case that the booster pump is arranged at the cold water inlet of the heat exchange pipeline 1, the water pressure output from the first booster pump 3 connected with the hot water outlet of the heat exchange pipeline 1 to the user side is obviously increased, so that the user can obtain the sufficient water outlet flow, and thus, the problem that the pressurization effect is not obvious due to the fact that the water resistance is too large when the pipeline through which the water flows is too long can be effectively solved. The trigger device 41 may be a touch switch or a voice control switch, the touch switch is of a waterproof design, the user presses the touch switch to send the trigger signal, the voice control switch receives a voice command sent by the user, such as "boost" or "boost off", and the voice control switch performs audio processing according to the received command and converts the voice command into a control signal to send to the controller 4. In addition, although the gas water heater can supply hot water at a constant temperature, for a user, when the gas water heater is actually used, the user can adjust the water temperature as required by configuring the water mixing valve 2, correspondingly, the gas water heater of the embodiment includes a mixing tee 101, an inlet of the tee 101 is used for connecting with the water pipe 100, an outlet of the tee 101 is connected with the cold water inlet of the heat exchange pipeline 1, and another outlet of the tee 101 is connected with the cold water port of the water mixing valve 2. Specifically, during the actual use process, the user can further lower the temperature through the mixing valve 2, for example: the outlet water temperature of the heat exchange pipeline 1 set by the gas water heater is 40 degrees, and the outlet water temperature of the user can be adjusted to be 38 degrees through the water mixing valve 2, so that the user experience is improved more effectively.
The first booster pump 3 can increase the water outlet flow of the water mixing valve 2, and under the suction effect, the water outlet flow of the tap water pipe is influenced by the pipe diameter and is larger than the water outlet flow of the heat exchange pipeline 1, so that the water inlet flow of the hot water port of the water mixing valve 2 is smaller than the water inlet flow of the cold water port of the water mixing valve 2, and thus the water outlet temperature of the water mixing valve 2 is reduced, in order to achieve constant water outlet temperature of the water mixing valve 2, a temperature sensor 22 is arranged at the water outlet of the water mixing valve 2, a second booster pump 5 is further connected between the hot water port of the water mixing valve 5 and the hot water outlet of the heat exchange pipeline 1, the temperature sensor 22 is used for triggering the controller 4 to control the second booster pump 5 to be started or closed, and the second booster pump 5 is in signal connection. Specifically, after first booster pump 3 starts, more cold water enters into muddy water valve 2, and at this moment, temperature sensor 22 detects muddy water valve 2's leaving water temperature and reduces, and temperature sensor 22 feeds back temperature signal to controller 4, and controller 4 will start second booster pump 5 and enter into muddy water valve 2's flow with the increase hot water to balanced muddy water valve 2's leaving water temperature keeps in the temperature fluctuation range who sets for, improves user's bathing experience.
Similarly, in order to keep the outlet water temperature stable, as shown in fig. 2, the mixing valve 2 may be a thermostatic mixing valve, and the thermostatic mixing valve is in signal connection with the controller 4. Specifically, after the controller 4 controls the first booster pump 3 to start, the thermostatic water mixing valve increases the opening degree of the hot water port correspondingly to increase the flow rate of the cold water entering the thermostatic water mixing valve, and the overall requirement for increasing the flow rate of the outlet water in the constant-temperature outlet water state can be met.
Furthermore, a water flow sensor 21 is arranged at a water outlet of the water mixing valve 2, and the water flow sensor 21 is used for triggering the controller 2 to control the first booster pump 3 to be turned on or turned off. Specifically, in the bathing process of a user, the controller 4 is triggered by the trigger device 41 to start the first booster pump 3 to gradually boost until the required water outlet amount is reached at the beginning, and then the controller 4 is triggered by the trigger device 41 to close the first booster pump 3, at this time, the water flow sensor 21 can record the water consumption required by the user, in the normal bathing process, the water outlet flow of the water mixing valve 2 is detected by the water flow sensor 21 and fed back to the controller 2, and the controller 2 dynamically controls the first booster pump 3 to operate according to the fed-back water flow signal.
The invention further provides a water outlet flow control method based on the gas water heater, the control method comprises the steps that in the process of opening the gas water heater to supply hot water, the controller is triggered by the trigger device to control the first booster pump to be opened, the first booster pump increases the water outlet amount, meanwhile, the burner synchronously increases the combustion amount to enable the hot water output by the hot water outlet of the heat exchange pipeline to keep constant temperature, specifically, when a user needs to increase the water outlet flow, the controller is triggered by the trigger device to start the first booster pump to work to increase the water outlet amounts of the heat exchange pipeline and the tap water pipe, correspondingly, in order to ensure that the water outlet temperature of the hot water is constant, the burner also increases the combustion amount to meet the heating requirement of the water, when the user bathes, the water mixing valve is opened for the first time every time, the first booster pump does not work, the problem that the facility is damaged due to pressure increase under the condition that the water pressure is normal is avoided, when the water pressure is low, when the user needs to increase the water outlet flow, the first booster pump is started by the trigger device to operate, the first booster pump can gradually realize that the water flow is larger than the water flow control flow value when the water outlet flow is smaller than the water flow control valve 4654, the water flow control sensor is started, the water flow sensor is started, the first booster pump is started, the water flow sensor is triggered by the water flow sensor 365982 after the water flow sensor is triggered, the water flow control is triggered, the water flow sensor is triggered, the water flow control is triggered by the first booster pump to obtain the constant temperature of the water flow control valve is started, the water flow sensor is triggered by the constant temperature of the constant temperature control device is detected 36593982 when the water outlet flow control process that the water flow control is started, the water flow.
In order to ensure that the outlet water temperature of the water mixing valve is kept within a reasonable temperature floating range, a temperature sensor is arranged at the water outlet of the water mixing valve, and a second booster pump is connected between a hot water port of the water mixing valve and a hot water outlet of the heat exchange pipeline; the control method specifically comprises the following steps: after the first booster pump is started, the controller controls the second booster pump to start under the condition that the temperature sensor detects that the temperature value of the water outlet of the water mixing valve is reduced. Specifically, when the first booster pump opens and increases the water output of the water mixing valve, because the water pressure of the tap water pipe is high, the amount of increase of cold water compared with hot water is more, the temperature sensor detects the drop of the temperature value of the water outlet of the water mixing valve, and the controller controls the second booster pump to start to increase the output of the hot water according to the detected temperature signal when the temperature drop value is greater than the set value of the system until the temperature reaches the temperature range adjusted by the user, for example: the temperature is set to be 38 degrees by a user, and the second booster pump is started when the water outlet temperature of the water mixing valve is reduced to 36 degrees after the first booster pump is started, so that the water outlet temperature is maintained between 37 degrees and 39 degrees. Preferably, the operation power of the first booster pump and the operation power of the second booster pump can be further dynamically adjusted according to the flow value detected by the water flow sensor, so that the outlet water temperature and the outlet water flow meet the setting requirements of a user.
Similarly, in the case that the constant-temperature water mixing valve is adopted to realize constant-temperature water outlet, the control method specifically includes: after the first booster pump is started, the constant-temperature water mixing valve correspondingly increases the hot water inlet amount of the hot water port.
Compared with the prior art, the invention has the advantages and positive effects that: the booster pump is directly configured at the water outlet of the water mixing valve, so that water output by the booster pump is directly supplied to a user water side, the water mixing valve corresponds to water in a suction heat exchange pipeline and a tap water pipe under the suction effect of the booster pump, the water outlet amount of the water side is used in the increase user which can be obvious, the influence of overlarge water flow resistance caused by long pipeline edge is effectively reduced, and the user experience is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. A controllable booster-type gas water heater comprises a controller and a combustion chamber, wherein a combustor and a heat exchange pipeline are arranged in the combustion chamber, and the combustor is in signal connection with the controller; the gas water heater also comprises a trigger device, the trigger device is arranged in the bathing area and used for triggering the controller to control the first booster pump to be opened or closed, and the trigger device and the first booster pump are respectively in signal connection with the controller.
2. The controllable booster type gas water heater according to claim 1, wherein a temperature sensor is disposed at a water outlet of the water mixing valve, a second booster pump is disposed between a hot water port of the water mixing valve and a hot water outlet of the heat exchange pipeline, the temperature sensor is used for triggering the controller to control the second booster pump to be turned on or turned off, and the second booster pump is in signal connection with the controller.
3. A controllable booster gas water heater according to claim 1, wherein the mixing valve is a thermostatic mixing valve, and the thermostatic mixing valve is in signal connection with the controller.
4. The controllable booster gas water heater according to claim 1, wherein a water outlet of the water mixing valve is provided with a water flow sensor, and the water flow sensor is used for triggering the controller to control the first booster pump to be turned on or off.
5. A controllable booster gas water heater according to claim 1, characterised in that the triggering device is a tact switch or a voice controlled switch.
6. The method for controlling the water outlet flow of the gas water heater is characterized in that the gas water heater comprises a controller, a combustion chamber, a water mixing valve and a first booster pump, wherein a combustor and a heat exchange pipeline are arranged in the combustion chamber, a hot water outlet of the heat exchange pipeline is connected with a hot water port of the water mixing valve, and the first booster pump is connected with a water outlet of the water mixing valve; the gas water heater also comprises a trigger device, the trigger device is arranged in the bathing area and used for triggering the controller to control the first booster pump to be opened or closed, and the combustor, the trigger device and the first booster pump are respectively in signal connection with the controller;
the control method comprises the following steps: in the process of supplying hot water to the gas water heater, the controller is triggered by the trigger device to control the first booster pump to be started, the water yield of the first booster pump is increased, and meanwhile, the combustion amount of the burner is synchronously increased, so that the hot water output from a hot water outlet of the heat exchange pipeline is kept at a constant temperature.
7. The water outlet flow control method of the controllable supercharged gas water heater according to claim 6, characterized in that a temperature sensor is arranged at a water outlet of the water mixing valve, and a second booster pump is further arranged between a hot water port of the water mixing valve and a hot water outlet of the heat exchange pipeline; the control method specifically comprises the following steps: after the water mixing valve is opened and the water temperature is adjusted, the controller controls the second booster pump to be started under the condition that the temperature sensor detects the temperature value of the water outlet of the water mixing valve to be reduced after the first booster pump is started.
8. The method for controlling the water outlet flow rate of the controllable supercharged gas water heater according to claim 6, wherein the gas water heater further comprises a constant-temperature water mixing valve, a cold water port of the constant-temperature water mixing valve is connected with a tap water pipe, and the first booster pump is connected with a hot water port of the constant-temperature water mixing valve; the control method specifically comprises the following steps: after the water mixing valve is opened and the water temperature is adjusted, when the first booster pump is started, the constant-temperature water mixing valve correspondingly increases the hot water inlet amount of the hot water port.
9. The method for controlling the water outlet flow of the controllable supercharged gas water heater according to claim 6, wherein a water flow sensor is arranged at a water outlet of the water mixing valve, and specifically, after the first booster pump is started, the water outlet flow of the water mixing valve is increased and reaches a flow value required by a user, the user triggers the controller to turn off the first booster pump through the trigger device, the water flow sensor simultaneously obtains the flow value L0 when the first booster pump is turned off, in the process of continuously discharging water from the water mixing valve, when the flow value Lt detected by the water flow sensor is smaller than L0 and the difference between the flow value Lt and the flow value is larger than △ L1 in the closed state of the first booster pump, the controller controls the first booster pump to be started, and when the first booster pump is continuously boosted until the flow value Lt detected by the water flow sensor is larger than L0 and the difference between the flow value and the flow value is larger than △ L2, the controller controls the first booster pump to be turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613705.5A CN111380224A (en) | 2018-12-27 | 2018-12-27 | Controllable supercharged gas water heater and water outlet flow control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613705.5A CN111380224A (en) | 2018-12-27 | 2018-12-27 | Controllable supercharged gas water heater and water outlet flow control method thereof |
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| CN111380224A true CN111380224A (en) | 2020-07-07 |
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| CN201811613705.5A Pending CN111380224A (en) | 2018-12-27 | 2018-12-27 | Controllable supercharged gas water heater and water outlet flow control method thereof |
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Cited By (1)
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| CN114111053A (en) * | 2020-08-31 | 2022-03-01 | 芜湖美的厨卫电器制造有限公司 | Water heater, control method and device thereof, storage medium and water heater system |
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Application publication date: 20200707 |
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