CN113669900A - Water heater and water temperature control method - Google Patents
Water heater and water temperature control method Download PDFInfo
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- CN113669900A CN113669900A CN202110983906.XA CN202110983906A CN113669900A CN 113669900 A CN113669900 A CN 113669900A CN 202110983906 A CN202110983906 A CN 202110983906A CN 113669900 A CN113669900 A CN 113669900A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 388
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005457 optimization Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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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
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
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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
- F24H9/0005—Details for water heaters
-
- 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
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a water heater and a water temperature control method. This water heater can be connected with two at least delivery ports, includes: the water outlet unit is connected with at least one water outlet to detect the state of the water outlet; the water outlet unit is connected with the first heat exchange unit and is connected with at least one water outlet; and the water distribution unit is electrically connected with the detection unit and is connected with the first heat exchange unit and the cold water pipe. According to the water heater and the water temperature control method, when the water needs to be used at two water outlets simultaneously and the required temperatures are different, the water dividing unit can control the connection and disconnection of the first heat exchange unit and the cold water pipe, so that the water at the water outlet connected with the first heat exchange unit exchanges heat in the first heat exchange unit to reach the preset water outlet temperature of the water outlet, the requirement of simultaneous water use of a plurality of water outlets in a family can be met by using one water heater, and the condition that the water temperatures required by the plurality of water outlets of a user are different is met.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater and a water temperature control method.
Background
The gas water heater installed in non-bathroom places such as balconies, kitchens or outdoors is used in life as follows: the phenomenon that the temperature of hot water used at a water consumption point (e.g., a kitchen, a public bathroom) near a gas water heater is high, and the temperature of hot water used at a water consumption point (e.g., a main bathroom) far from the gas water heater is low. This is because the flow of hot water in the pipe dissipates a significant amount of heat, resulting in: if the set temperature of the gas water heater is set to be suitable for the temperature of the near-end water consumption point, the temperature of the far-end water consumption point is lower than the set temperature; if set temperature with gas heater sets up the temperature at suitable distal end water point, the temperature of near-end water point is higher this moment, need adjust during the use and mix the water valve, and the user is the most mechanical water valve that mixes in the family, is difficult to quick accurate adjustment to the temperature that wants, causes not good user experience.
Disclosure of Invention
In order to solve the problems, the invention provides a water heater and a water temperature control method which can meet the requirement of water consumption of a plurality of water outlets at the same time.
The invention relates to a water heater, which can be connected with at least two water outlets, and comprises:
the water outlet unit is used for outputting liquid with a preset temperature and comprises an output end, and the output end is connected with at least one water outlet;
the detection unit is connected with at least one water outlet to detect the state of the water outlet;
the water outlet unit is connected with the first heat exchange unit and is connected with at least one water outlet;
and the water distribution unit is electrically connected with the detection unit and is connected with the first heat exchange unit and the cold water pipe.
As a further optimization of the present invention, the detection unit includes a first flow sensor connected to the water outlet end of the first heat exchange unit, and a second flow sensor connected to the water inlet of the water outlet unit.
As a further optimization of the present invention, the first heat exchange unit includes a first pipeline, two ends of the first pipeline are respectively connected to the water inlet of the water diversion unit and the water inlet of the water outlet unit, and the detection unit further includes a third flow sensor connected to the first pipeline.
As a further optimization of the present invention, the detection unit further includes a temperature sensor connected to the first pipeline, and the temperature sensor is disposed at one end of the first pipeline connected to the water outlet unit.
As a further optimization of the invention, the water outlet unit comprises a water pump connected with a cold water pipe and a second heat exchange unit connected with the water pump.
As a further optimization of the invention, the water diversion unit is a water proportional valve.
As a further optimization of the invention, the water dispenser further comprises a controller, the controller is electrically connected with the detection unit and the water diversion unit, and the controller is configured to control the water diversion unit to be opened when the detection unit detects that at least two water outlets discharge water, so that the water outlet temperature of the water outlets reaches a preset temperature.
As a further optimization of the present invention, the two water outlets are respectively a first water outlet, the other water outlet is a second water outlet, the preset outlet temperature of the first water outlet is t1, the preset outlet temperature of the second water outlet is t2, t1 is greater than t2, the controller is further configured to select t1 as the preset temperature, and control the opening degree of the water diversion unit according to the preset temperature and t2, so that the outlet temperature of the second water outlet is t 2.
As a further optimization of the present invention, the detection unit includes a first flow sensor connected to the water outlet end of the first heat exchange unit, and a second flow sensor connected to the water inlet of the water outlet unit, and the controller is further configured to control the water diversion unit to be turned on when the flow detected by the first flow sensor is greater than zero and the flow detected by the first flow sensor and the flow detected by the second flow sensor are both greater than zero.
A water temperature control method can be used for controlling the water outlet temperature of at least two water outlets, wherein the two water outlets are respectively a first water outlet, the other water outlet is a second water outlet, the preset water outlet temperature of the first water outlet is t1, the preset water outlet temperature of the second water outlet is t2, and t1 is greater than t2, and the method comprises the following steps: when the first water outlet and the second water outlet are used simultaneously, water is heated to t1, the water is heated to t1 and communicated with the first water outlet, and the water heated to t1 is cooled to t2 through the first heat exchange unit and then communicated with the second water outlet.
Compared with the prior art, the invention has the beneficial effects that:
according to the water heater, when the water needs to be used at two water outlets simultaneously and the required temperatures are different, the water dividing unit can control the connection and disconnection of the first heat exchange unit and the cold water pipe, so that the water at the water outlet connected with the first heat exchange unit is subjected to heat exchange in the first heat exchange unit, the preset water outlet temperature of the water outlet is reached, the requirement that a plurality of water outlets in a family use water simultaneously can be met, and the condition that the water temperatures required by the plurality of water outlets of a user are different is met.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic view of the construction of a water heater according to the present invention;
FIG. 2 is a schematic diagram of the water heater of the present invention;
FIG. 3 is a flow chart of a water temperature control method according to the present invention.
In the above figures, 1, a water outlet; 11. a first water outlet; 12. a second water outlet; 2. a water outlet unit; 21. an output end; 22. a water pump; 23. a second heat exchange unit; 3. a detection unit; 31. a first flow sensor; 32. a second flow sensor; 33. a third flow sensor; 34. a temperature sensor; 4. a first heat exchange unit; 41. a first pipeline; 42. a second pipeline; 5. a water diversion unit; 6. a controller; 7. a cold water pipe.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1-2, the present invention provides a water heater, which can be connected with at least two water outlets 1, and comprises:
the water outlet unit 2 is used for outputting liquid with a preset temperature and comprises an output end 21, and the output end 21 is connected with at least one water outlet 1;
the detection unit 3 is connected with at least one water outlet 1 to detect the state of the water outlet 1;
the first heat exchange unit 4 is connected with the water outlet unit 2 and is connected with at least one water outlet 1;
and the water diversion unit 5 is electrically connected with the detection unit 3 and is connected with the first heat exchange unit 4 and the cold water pipe 7.
In the water heater described in this embodiment, when it is detected that two water outlets 1 need to use water simultaneously and the required temperatures are different, the water diversion unit 5 can control the on-off of the first heat exchange unit 4 and the cold water pipe 7, so that the water at the water outlet 1 connected with the first heat exchange unit 4 can exchange heat in the first heat exchange unit 4 before reaching the water outlet 1, thereby reaching the preset water outlet temperature of the water outlet 1, and thus, the water heater can meet the requirement of simultaneously using water at a plurality of water outlets 1 in a family, and the condition that the water temperatures required by a plurality of water outlets 1 of a user are different is met.
As another embodiment of the present invention, different from the above embodiments, the detecting unit 3 includes a first flow sensor 31 connected to the water outlet end of the first heat exchanging unit 4, and a second flow sensor 32 connected to the water inlet of the water outlet unit 2, referring to fig. 1, taking two water outlets 1 as an example, the water outlet 1 includes a first water outlet 11 and a second water outlet 12, in this embodiment, the first heat exchanging unit 4 is connected to the second water outlet 12, the first flow sensor 31 is used for detecting the flow rate of the second water outlet 12, the second flow sensor 32 is used for detecting the flow rate of the water inlet of the water outlet unit 2, when the first flow sensor 31 detects that the flow rate is not zero, the second water outlet 12 is opened, and at this time, the second flow sensor 32 detects the water inlet amount of the water outlet unit 2, if the flow detected by the first flow sensor 31 is the same as the flow detected by the second flow sensor 32, it indicates that only the second water outlet 12 is in use, if the flows detected by the first flow sensor 31 and the second flow sensor 32 are different, it indicates that the first water outlet 11 and the second water outlet 12 are in use at the same time, at this time, the water diversion unit 5 is opened, so that the water flowing out of the second water outlet 12 exchanges heat with the cold water in the cold water pipe 7 in the first heat exchange unit 4, thereby reaching a desired temperature, when the flow detected by the second flow sensor 32 is zero, the water outlet unit 2 is not started or does not flow water, when the flow detected by the second flow sensor 2 is not zero and the flow detected by the first flow sensor 31 is zero, the first water outlet 11 is in use, the arrangement of the first flow sensor 31 and the second flow sensor 32 can effectively meet the detection of the states of the first water outlet 11 and the second water outlet 12, the detection can be realized only by two positions, the flow of the water outlet unit 2 can be effectively detected, and the structure is simple and the cost is low.
As another embodiment of the present invention, different from the above embodiments, the first heat exchanging unit 4 includes a first pipeline 41, two ends of the first pipeline 41 are respectively connected to the water dividing unit 5 and a water inlet of the water discharging unit 2, the detecting unit 3 further includes a third flow sensor 33 connected to the first pipeline 41, and the third flow sensor 33 is configured to detect a flow rate of the first pipeline 41, so that the heat exchanging amount of the first heat exchanging unit 4 can be effectively controlled by matching with the water dividing unit 5, and the temperature of the cooled water of the first heat exchanging unit 4 is controlled, and in addition, the temperature of the cold water flowing through the first heat exchanging unit 4 is increased after heat exchanging and enters from the water inlet of the water discharging unit 2, so that waste of heat can be effectively reduced, and heating power consumption of the water discharging unit 2 is reduced.
As another embodiment of the present invention, different from the above embodiments, the detecting unit 3 further includes a temperature sensor 34 connected to the first pipeline 41, and the temperature sensor 34 is disposed at one end of the first pipeline 41 connected to the water outlet unit 2, so as to effectively detect the temperature of water in the first pipeline 41, thereby further facilitating calculation of the heat exchange amount in the first heat exchanging unit 4, and further facilitating accurate control of the temperature of water.
As another embodiment of the present invention, different from the above embodiments, the water outlet unit 2 includes a water pump 22 connected to the cold water pipe 7, and a second heat exchange unit 23 connected to the water pump 22, so as to effectively heat water to a desired temperature, in this embodiment, the second heat exchange unit 23 is a heat exchange unit of a gas water heater, and can quickly heat water to a desired temperature, and can cooperate with the water pump 22 to effectively control an output water temperature.
In the above embodiment, the water diversion unit 5 is a water proportional valve, and the opening degree can be controlled to control the cold water flowing through the first heat exchange unit 4, so as to control the temperature of the water flowing out of the first heat exchange unit 4.
As another embodiment of the present invention, different from the above embodiment, the present invention further includes a controller 6, the controller 6 is electrically connected to the detection unit 3 and the water diversion unit 5, the controller 6 is configured to control the water diversion unit 5 to be opened when the detection unit 3 detects that water is discharged from at least two of the water outlets 1, so that the water outlet temperatures of the plurality of water outlets 1 reach a preset temperature, and the setting of the controller 6 can effectively meet setting requirements under different setting requirements, thereby meeting requirements under different conditions.
As another embodiment of the present invention, different from the above embodiments, the two water outlets 1 are respectively a first water outlet 11, the other is a second water outlet 12, the preset outlet temperature of the first water outlet 11 is t1, the preset outlet temperature of the second water outlet 12 is t2, t1> t2, the controller 6 is further configured to select t1 as the preset temperature, and control the opening degree of the water dividing unit 5 according to the preset temperature and t2, so that the outlet temperature of the second water outlet 12 is t2, the above configuration can effectively meet the requirement of high temperature, and can also meet the requirement of low temperature, and does not need other reheating components, a normal household often needs a higher water temperature for water at the far end, and a relatively lower water temperature at the near end, in this embodiment, the first water outlet 11 is the far end, and the second water outlet 12 is the near end, the first heat exchange unit 4 is connected with the second water outlet 12.
It should be noted that, in the above-mentioned solution, the first water outlet 11 is a far end, the second water outlet 12 is a near end, and is only a conventional setting manner, the setting may be set according to needs, and it should be noted that, in this embodiment, the setting manner is only when there are two water outlets 1, when the number of the water outlets 1 is 3 or more than 3, the first heat exchange unit 4 and the water diversion unit 5 may be further correspondingly set, and in addition, if the preset outlet water temperature when the first water outlet 11 and the second water outlet 12 are used may be t1> t2 or t2> t1, both the first water outlet 11 and the second water outlet 12 may be connected to the first heat exchange unit 4, but a corresponding control valve is set to control the communication between the first water outlet 11 and the second heat exchange unit 4.
As another embodiment of the present invention, different from the above embodiment, the detecting unit 3 includes a first flow sensor 31 connected to the water outlet end of the first heat exchanging unit 4, and a second flow sensor 32 connected to the water inlet of the water outlet unit 2, and the controller 6 is further configured to control the water dividing unit 5 to be turned on when the flow detected by the first flow sensor 31 is greater than zero and the flow detected by the first flow sensor 31 and the flow detected by the second flow sensor 32 are greater than zero, which effectively realizes monitoring when the two water outlets 1 are used simultaneously, and thus effectively controls the water dividing unit 5 with reference to the above embodiment.
The invention also provides a water temperature control method, which can be used for controlling the water outlet temperature of at least two water outlets, wherein the two water outlets are respectively a first water outlet and a second water outlet, the preset water outlet temperature of the first water outlet is t1, the preset water outlet temperature of the second water outlet is t2, and t1 is more than t2, and the method comprises the following steps: when the first water outlet and the second water outlet are used simultaneously, water is heated to t1, the water is heated to t1 and communicated with the first water outlet, and the water heated to t1 is cooled to t2 through the first heat exchange unit and then communicated with the second water outlet.
Referring to fig. 3, the water temperature control method of the present invention can be applied to the above water heater, and the present embodiment specifically includes the following steps:
s1, judging whether the first water outlet 11 and the second water outlet 12 are used at the same time, if so, entering a step S2, otherwise, entering a step S3;
s2, controlling the water heater to heat at a preset temperature of t1, controlling the water diversion unit 5 to be opened to a certain opening degree, enabling one part of water to be directly communicated to the first water outlet 11, enabling the other part of hot water to pass through the first heat exchange unit 4 to exchange heat with the first heat exchange unit 4 communicated with the cold water pipe 7, and enabling the water temperature after heat exchange to be reduced to t2 and then communicated to the second water outlet 12;
s3, judging whether the water is used by the first water outlet 11 or the second water outlet 12, if the water is used by the first water outlet 11, the step is S4, and if the water is used by the second water outlet 12, the step is S5;
s4, controlling the water diversion unit 5 to be closed, controlling the water heater to heat at a preset temperature of t1, and directly conveying the heated water to the first water outlet 11;
and S5, controlling the water diversion unit 5 to be closed, controlling the water heater to instantly heat at a preset temperature of t2, and delivering the heated water to the second water outlet 12.
It should be noted that, in the above method, when the water heater described in the above embodiment is used, the detection unit 3 includes a first flow sensor 31 connected to the water outlet end of the first heat exchange unit 4, and a second flow sensor 32 connected to the water inlet of the water outlet unit 2, referring to fig. 1, taking two water outlets 1 as an example, the water outlet 1 includes a first water outlet 11 and a second water outlet 12, in this embodiment, the first heat exchange unit 4 is connected to the second water outlet 12, the first flow sensor 31 is used for detecting the flow rate of the second water outlet 12, the second flow sensor 32 is used for detecting the flow rate of the water inlet of the water outlet unit 2, when the first flow sensor 31 detects that the flow rate is not zero, the second water outlet 12 is opened, and at this time, the second flow sensor 32 detects the water inlet amount of the water outlet unit 2, if the flow detected by the first flow sensor 31 is the same as the flow detected by the second flow sensor 32, it indicates that only the second water outlet 12 is in use, if the flows detected by the first flow sensor 31 and the second flow sensor 32 are different, it indicates that the first water outlet 11 and the second water outlet 12 are in use at the same time, at this time, the water diversion unit 5 is opened, so that the water flowing out of the second water outlet 12 exchanges heat with the cold water in the cold water pipe 7 in the first heat exchange unit 4, thereby reaching a desired temperature, when the flow detected by the second flow sensor 32 is zero, the water outlet unit 2 is not started or does not flow water, when the flow detected by the second flow sensor 2 is not zero and the flow detected by the first flow sensor 31 is zero, the first water outlet 11 is in use, the arrangement of the first flow sensor 31 and the second flow sensor 32 can effectively meet the detection of the states of the first water outlet 11 and the second water outlet 12, the detection can be realized only by two positions, the flow of the water outlet unit 2 can be effectively detected, and the structure is simple and the cost is low.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A water heater connectable to at least two water outlets, comprising:
the water outlet unit is used for outputting liquid with a preset temperature and comprises an output end, and the output end is connected with at least one water outlet;
the detection unit is connected with at least one water outlet to detect the state of the water outlet;
the water outlet unit is connected with the first heat exchange unit and is connected with at least one water outlet;
and the water distribution unit is electrically connected with the detection unit and is connected with the first heat exchange unit and the cold water pipe.
2. The water heater of claim 1, wherein the detection unit comprises a first flow sensor connected to the water outlet of the first heat exchange unit and a second flow sensor connected to the water inlet of the water outlet unit.
3. The water heater according to claim 2, wherein the first heat exchange unit comprises a first pipeline, two ends of the first pipeline are respectively connected with the water dividing unit and the water inlet of the water outlet unit, and the detection unit further comprises a third flow sensor connected with the first pipeline.
4. The water heater of claim 3, wherein the detection unit further comprises a temperature sensor connected to the first pipeline, the temperature sensor being disposed at an end of the first pipeline connected to the water outlet unit.
5. The water heater of claim 1, wherein the water outlet unit comprises a water pump connected to the cold water pipe, and a second heat exchange unit connected to the water pump.
6. The water heater according to claim 1, wherein the water diversion unit is a water proportional valve.
7. The water heater according to any one of claims 1-6, further comprising a controller, wherein the controller is electrically connected to the detection unit and the water diversion unit, and the controller is configured to control the water diversion unit to open when the detection unit detects that water exits from at least two of the water outlets, so that the water temperature of the water exits from the water outlets reaches a preset temperature.
8. The water heater of claim 7, wherein the two water outlets are a first water outlet and a second water outlet, the first water outlet has a preset outlet temperature t1, the second water outlet has a preset outlet temperature t2, t1> t2, and the controller is further configured to select t1 as the preset temperature and control the opening of the water dividing unit according to the preset temperature and t2, so that the outlet temperature of the second water outlet is t 2.
9. The water heater of claim 8, wherein the detection unit comprises a first flow sensor connected to the water outlet of the first heat exchange unit and a second flow sensor connected to the water inlet of the water outlet unit, and the controller is further configured to control the water diversion unit to be turned on when the flow detected by the first flow sensor is greater than zero and the flow detected by the first flow sensor is equal to the flow detected by the second flow sensor.
10. A water temperature control method can be used for controlling the water outlet temperature of at least two water outlets, wherein the two water outlets are respectively a first water outlet and a second water outlet, the preset water outlet temperature of the first water outlet is t1, the preset water outlet temperature of the second water outlet is t2, and t1> t2, and the method comprises the following steps: when the first water outlet and the second water outlet are used simultaneously, water is heated to t1, the water is heated to t1 and communicated with the first water outlet, and the water heated to t1 is cooled to t2 through the first heat exchange unit and then communicated with the second water outlet.
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| CN202110983906.XA CN113669900A (en) | 2021-08-25 | 2021-08-25 | Water heater and water temperature control method |
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| CN202110983906.XA CN113669900A (en) | 2021-08-25 | 2021-08-25 | Water heater and water temperature control method |
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| CN108870759A (en) * | 2018-07-24 | 2018-11-23 | 珠海格力电器股份有限公司 | Water temperature control method and device of water heater, storage medium and control equipment |
| CN113137760A (en) * | 2020-01-19 | 2021-07-20 | 芜湖美的厨卫电器制造有限公司 | Water heater waterway system and water heater |
| CN216048319U (en) * | 2021-08-25 | 2022-03-15 | 珠海格力电器股份有限公司 | Water heater |
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