CN114183933A - Method for reducing temperature fluctuation of domestic hot water of gas wall-mounted boiler and gas wall-mounted boiler - Google Patents
Method for reducing temperature fluctuation of domestic hot water of gas wall-mounted boiler and gas wall-mounted boiler Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 68
- 238000003860 storage Methods 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims description 48
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 239000008236 heating water Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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Abstract
The invention relates to the technical field of household appliances, in particular to a method for reducing water temperature fluctuation of domestic hot water of a gas wall-mounted boiler and the gas wall-mounted boiler, wherein the method comprises the following steps: step S1: detecting the water outlet temperature of a water storage device of the gas wall-mounted boiler; step S2: judging whether to start a combustion program for controlling the heat power of the burner based on the data detected in step S1; step S3: according to the data detected in the step S1, the opening degree of the bypass waterway device is adjusted while the combustion program controls the firepower of the combustor so as to realize the regulation and control of the outlet water temperature, and the step S4 is executed; step S4: and detecting the temperature of the water in real time. The application provides a method and gas hanging stove for reducing fluctuation of domestic hot water temperature of gas hanging stove, and when heating water is switched into domestic hot water, the fluctuation of water temperature is reduced and the constant temperature is reached quickly, and the stability of outlet water temperature is greatly guaranteed.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of household appliances, in particular to a method for reducing water temperature fluctuation of domestic hot water of a gas wall-mounted boiler and the gas wall-mounted boiler.
[ background of the invention ]
The dual-purpose gas wall-mounted boiler has the functions of providing heating hot water and domestic hot water, the function of starting the heating hot water in winter provides a heat source for indoor heating, the temperature of the heating hot water is generally set to be 50-80 ℃, when the heating hot water is switched to the domestic hot water, the initial outlet water temperature is higher, and if the bathing water is generally set to be below 45 ℃. In order to quickly reduce the water temperature, the system sets to shut down fire for cooling, then ignites for heating after the temperature is reduced, controls the gas flow through the gas proportional valve, adjusts the heating firepower, and ensures that the water temperature is constant at the set temperature, and the fluctuation of the water temperature is obvious in the process; in addition, in the use process, the water temperature fluctuates along with the fluctuation of the water pressure or the gas pressure, and particularly, the water temperature fluctuation is more obvious when the water pressure or the gas pressure fluctuates continuously.
[ summary of the invention ]
The invention aims to provide a method for reducing water temperature fluctuation of domestic hot water of a gas wall-mounted boiler and the gas wall-mounted boiler.
The application is realized by the following technical scheme: a method for reducing temperature fluctuation of domestic hot water of a gas wall-mounted boiler comprises the following steps:
step S1: detecting the water outlet temperature of a water storage device of the gas wall-mounted boiler;
step S2: judging whether to start a combustion program for controlling the heat power of the burner based on the data detected in step S1;
if the outlet water temperature is constant at the set temperature, returning to the step S1;
if the water outlet temperature is higher than or lower than the set temperature, starting a combustion program and performing step S3;
step S3: according to the data detected in the step S1, the opening degree of the bypass waterway device is adjusted while the combustion program controls the firepower of the combustor so as to realize the regulation and control of the outlet water temperature, and the step S4 is executed;
step S4: detecting the temperature of water in real time;
if the outlet water temperature is constant at the set temperature, maintaining the current heat of the combustion program and the opening degree of the bypass water channel device in the step S3;
if the outlet water temperature is higher/lower than the set temperature, the process returns to step S3.
The method for reducing the fluctuation of the domestic hot water temperature of the gas wall-hanging stove comprises the following steps of S3:
if the outlet water temperature is higher than the set temperature, the process proceeds to step S31:
the combustion procedure adopts minimum fire for heating, and meanwhile, a bypass waterway device is started, and cold water is filled to reduce the temperature to a set temperature;
when the water temperature is reduced to the set temperature, the combustion program maintains the minimum fire and gradually closes the bypass waterway;
if the outlet water temperature is lower than the set temperature, the process proceeds to step S32:
analyzing the difference between the temperature of the outlet water and the temperature of the inlet water, and the difference between the flow of the outlet water and the flow of the inlet water, and selecting a medium fire or a big fire for heating in a combustion program;
when the water temperature rises to the set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened.
The method for reducing the fluctuation of the domestic hot water temperature of the gas wall-hanging stove as described above, the step S3 further includes the following steps:
if the bypass water path is completely closed and the outlet water temperature is higher than the set temperature, the process proceeds to step S33:
the combustion program maintains the minimum fire for heating and simultaneously gradually opens the bypass waterway;
if the bypass water path is completely opened and the outlet water temperature is higher than the set temperature, the process proceeds to step S34:
the combustion program adopts an intermittent combustion mode, and the intermittent combustion mode is that the combustion program adopts minimum fire to heat for T1 seconds firstly and then extinguish for T2 seconds, and the heating is carried out sequentially.
The method for reducing the fluctuation of the domestic hot water temperature of the gas wall-hanging stove as described above, the step S3 further includes the following steps:
if the bypass water path is completely closed and the outlet water temperature is lower than the set temperature, the process proceeds to step S35:
the burning procedure adopts middle fire or big fire for heating;
when the water temperature rises to a set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened;
if the bypass water path is completely opened and the outlet water temperature is lower than the set temperature, the process proceeds to step S36:
the combustion procedure adopts medium fire or big fire for heating, and simultaneously the bypass waterway is gradually closed;
when the water temperature rises to the set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened.
According to the method for reducing the water temperature fluctuation of the domestic hot water of the gas wall-mounted boiler, the intermittent combustion program is that the burner is firstly heated for 10-20s by adopting minimum fire, and then is extinguished for 10-20s, and the heating and extinguishing processes are sequentially carried out.
A wall-mounted gas stove comprises a wall-mounted stove body, a water storage device, a burner, a water outlet temperature acquisition device, a water inlet temperature acquisition device, a water outlet flow acquisition device, a water inlet flow acquisition device and a bypass waterway device, wherein the water storage device, the burner, the water outlet temperature acquisition device, the water inlet flow acquisition device and the bypass waterway device are arranged in the wall-mounted stove body, the water outlet temperature acquisition device, the water inlet flow acquisition device, the water outlet flow acquisition device, the bypass waterway device and the bypass waterway device are arranged in the water outlet position of the water storage device, the water inlet temperature acquisition device and the water inlet flow acquisition device are arranged in the water inlet position of the water storage device, one end of the bypass waterway device is externally connected with a cold water inlet pipe, and the bypass waterway device is arranged in the wall-mounted stove body, The other end is connected with the water storage device.
Compared with the prior art, the method has the following advantages:
the invention discloses a method for reducing water temperature fluctuation of domestic hot water of a gas wall-mounted boiler, which comprises the following steps: step S1: detecting the water outlet temperature of a water storage device of the gas wall-mounted boiler; step S2: judging whether to start a combustion program for controlling the heat power of the burner based on the data detected in step S1; if the outlet water temperature is constant at the set temperature, returning to the step S1; if the water outlet temperature is higher than or lower than the set temperature, starting a combustion program and performing step S3; step S3: according to the data detected in the step S1, the opening degree of the bypass waterway device is adjusted while the combustion program controls the firepower of the combustor so as to realize the regulation and control of the outlet water temperature, and the step S4 is executed; step S4: detecting the temperature of water in real time; if the outlet water temperature is constant at the set temperature, maintaining the current heat of the combustion program and the opening degree of the bypass water channel device in the step S3; if the outlet water temperature is higher/lower than the set temperature, the process returns to step S3, which can reduce the fluctuation of water temperature and reach constant temperature quickly when the heating water is switched to domestic hot water, thus greatly ensuring the stability of the outlet water temperature.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a wall-mounted gas boiler according to an embodiment of the present application.
Fig. 2 is a flowchart of a method for reducing fluctuation of domestic hot water temperature of a gas wall-hanging stove according to an embodiment of the present application.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 2, an embodiment of the present application provides a method for reducing fluctuations in water temperature of domestic hot water of a gas wall-hanging stove, the method including the steps of:
step S1: detecting the water outlet temperature of a water storage device of the gas wall-mounted boiler;
step S2: judging whether to start a combustion program for controlling the heat power of the burner based on the data detected in step S1;
if the outlet water temperature is constant at the set temperature, returning to the step S1;
if the water outlet temperature is higher than or lower than the set temperature, starting a combustion program and performing step S3;
step S3: according to the data detected in the step S1, the opening degree of the bypass waterway device is adjusted while the combustion program controls the firepower of the combustor so as to realize the regulation and control of the outlet water temperature, and the step S4 is executed;
step S4: detecting the temperature of water in real time;
if the outlet water temperature is constant at the set temperature, maintaining the current heat of the combustion program and the opening degree of the bypass water channel device in the step S3;
if the outlet water temperature is higher/lower than the set temperature, the process returns to step S3.
The step S3 includes the following steps:
if the outlet water temperature is higher than the set temperature, the process proceeds to step S31:
the combustion procedure adopts minimum fire for heating, and meanwhile, a bypass waterway device is started, and cold water is filled to reduce the temperature to a set temperature;
when the water temperature is reduced to the set temperature, the combustion program maintains the minimum fire and gradually closes the bypass waterway;
if the outlet water temperature is lower than the set temperature, the process proceeds to step S32:
analyzing the difference between the temperature of the outlet water and the temperature of the inlet water, and the difference between the flow of the outlet water and the flow of the inlet water, and selecting a medium fire or a big fire for heating in a combustion program;
when the water temperature rises to the set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened.
The step S3 further includes the steps of:
if the bypass water path is completely closed and the outlet water temperature is higher than the set temperature, the process proceeds to step S33:
the combustion program maintains the minimum fire for heating and simultaneously gradually opens the bypass waterway;
if the bypass water path is completely opened and the outlet water temperature is higher than the set temperature, the process proceeds to step S34:
the combustion program adopts an intermittent combustion mode, and the intermittent combustion mode is that the combustion program adopts minimum fire to heat for T1 seconds firstly and then extinguish for T2 seconds, and the heating is carried out sequentially.
The step S3 further includes the steps of:
if the bypass water path is completely closed and the outlet water temperature is lower than the set temperature, the process proceeds to step S35:
the burning procedure adopts middle fire or big fire for heating;
when the water temperature rises to a set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened;
if the bypass water path is completely opened and the outlet water temperature is lower than the set temperature, the process proceeds to step S36:
the combustion procedure adopts medium fire or big fire for heating, and simultaneously the bypass waterway is gradually closed;
when the water temperature rises to the set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened.
The intermittent combustion procedure is that the burner is heated for 10-20s by adopting minimum fire, and then is extinguished for 10-20s, and the heating and extinguishing steps are sequentially carried out.
Example 1:
if the set temperature is 45 ℃, when the outlet water temperature is 50 ℃, the outlet water temperature is higher than the set temperature, the combustion program is started and is heated by minimum fire, meanwhile, the bypass waterway device is started to fill cold water for cooling, when the water temperature is reduced to the set temperature, the outlet water temperature tends to be lower than the set temperature, the combustion program maintains the minimum fire, and the bypass waterway is gradually closed; after a period of time, because the bypass waterway is closed and continuously heated, the outlet water temperature is mainly influenced by the heat loss of the water storage device and the inlet and outlet water, and may be higher/lower than the set temperature, when the outlet water temperature is higher than the set temperature, the combustion program maintains the minimum fire for heating and gradually opens the bypass waterway; when the temperature of the outlet water is lower than the set temperature, the combustion program adopts medium fire or maximum fire for heating, when the temperature is raised to the set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass waterway is gradually opened; then, the water temperature is detected in real time, and if the temperature is constant at the set temperature, the combustion process and the opening degree of the bypass water passage device in step S3 are maintained, otherwise, the process returns to step S3.
Example 2:
if the set temperature is 45 ℃, when the outlet water temperature is 40 ℃, the outlet water temperature is lower than the set temperature, the difference between the outlet water temperature and the inlet water temperature and the difference between the outlet water flow and the inlet water flow are analyzed, the combustion program selects medium fire or maximum fire for heating, when the water temperature is raised to the set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened; after a period of time, because the bypass waterway is opened, the water outlet temperature is mainly influenced by the heat loss of the bypass waterway and the water storage device and the influence of water outlet and water inlet, and may be higher/lower than the set temperature, and when the bypass waterway is completely opened and the water outlet temperature is higher than the set temperature, an intermittent combustion program is adopted for heating; when the bypass waterway is completely opened and the temperature of the outlet water is lower than the set temperature, the combustion program adopts middle fire or maximum fire for heating, and simultaneously gradually closes the bypass waterway, when the temperature of the water is increased to the set temperature, the combustion program is switched to minimum fire for heating, and simultaneously gradually opens the bypass waterway; then, the water temperature is detected in real time, and if the temperature is constant at the set temperature, the combustion process and the opening degree of the bypass water passage device in step S3 are maintained, otherwise, the process returns to step S3.
In this embodiment, bypass waterway device and burning procedure mainly rely on the temperature of water out to adjust, certainly, still including the flow of water out, the temperature of intaking and the flow of intaking that detect water storage device, through the heating intensification of burning procedure, the cooling of intaking in bypass waterway, balanced temperature of intaking and the flow of intaking for the leaving water temperature is invariable in the settlement temperature.
In this embodiment, through detecting gas hanging stove water storage device's leaving water temperature, temperature of intaking, play water flow and inflow to adjust the regulation of burning procedure and bypass water route device in order to realize the temperature, it can reduce the temperature fluctuation and reach constant temperature fast when the heating water switches into life hot water, very big assurance leaving water temperature's stability.
As shown in fig. 1, a wall-mounted gas boiler comprises a wall-mounted boiler body 1, a water storage device 2 arranged in the wall-mounted boiler body, a burner 3 for heating, an outlet water temperature acquisition device 4 for acquiring outlet water temperature, an inlet water temperature acquisition device 5 for acquiring inlet water temperature, an outlet water flow acquisition device 6 for acquiring outlet water flow, an inlet water flow acquisition device 7 for acquiring inlet water flow, and a bypass water path device 8, wherein the wall-mounted boiler body 1 comprises a controller for executing the method for reducing the temperature fluctuation of domestic hot water of the wall-mounted gas boiler, the controller is connected with and controls the burner 3 and the bypass water path device 8, the outlet water temperature acquisition device 4 and the outlet water flow acquisition device 6 are arranged at the outlet of the water storage device 2, and the inlet water temperature acquisition device 5 and the inlet water flow acquisition device 7 are arranged at the inlet of the water storage device 2, one end of the bypass waterway device 8 is externally connected with a cold water inlet pipe, the other end of the bypass waterway device 8 is connected with the water storage device 2, and the bypass waterway device 8 adjusts the opening degree of the bypass waterway device 8 according to the data acquired by the water outlet temperature acquisition device 4, the water inlet temperature acquisition device 5, the water outlet flow acquisition device 6 and the water inlet flow acquisition device 7, so that the adjustment proportion of cold water and hot water is proper, and the constant water outlet temperature is ensured; the bypass waterway device 8 is provided with a stepping motor 81, and the stepping motor 81 is used for controlling the opening degree of a water inlet pipe of the bypass waterway device 8.
In this embodiment, a check valve may be additionally disposed at a connection between the bypass waterway device 8 and the water storage device 2 or at a connection between the bypass waterway device and the cold water inlet pipe, so that the cold water flows in a single direction, and domestic water in the water storage device 2 is prevented from flowing backwards; the water storage device 2 and a plate exchanger of the gas wall-hanging stove can be connected by pipelines or integrally welded and communicated with the plate exchanger.
In summary, the present application has, but is not limited to, the following beneficial effects:
the invention discloses a method for reducing water temperature fluctuation of domestic hot water of a gas wall-mounted boiler, which comprises the following steps: step S1: detecting the water outlet temperature of a water storage device of the gas wall-mounted boiler; step S2: judging whether to start a combustion program for controlling the heat power of the burner based on the data detected in step S1; if the outlet water temperature is constant at the set temperature, returning to the step S1; if the water outlet temperature is higher than or lower than the set temperature, starting a combustion program and performing step S3; step S3: according to the data detected in the step S1, the opening degree of the bypass waterway device is adjusted while the combustion program controls the firepower of the combustor so as to realize the regulation and control of the outlet water temperature, and the step S4 is executed; step S4: detecting the temperature of water in real time; if the outlet water temperature is constant at the set temperature, maintaining the current heat of the combustion program and the opening degree of the bypass water channel device in the step S3; if the outlet water temperature is higher/lower than the set temperature, the process returns to step S3, which can reduce the fluctuation of water temperature and reach constant temperature quickly when the heating water is switched to domestic hot water, thus greatly ensuring the stability of the outlet water temperature.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.
Claims (6)
1. A method for reducing temperature fluctuation of domestic hot water of a gas wall-mounted boiler is characterized by comprising the following steps:
step S1: detecting the water outlet temperature of a water storage device of the gas wall-mounted boiler;
step S2: judging whether to start a combustion program for controlling the heat power of the burner based on the data detected in step S1;
if the outlet water temperature is constant at the set temperature, returning to the step S1;
if the water outlet temperature is higher than or lower than the set temperature, starting a combustion program and performing step S3;
step S3: according to the data detected in the step S1, the opening degree of the bypass waterway device is adjusted while the combustion program controls the firepower of the combustor so as to realize the regulation and control of the outlet water temperature, and the step S4 is executed;
step S4: detecting the temperature of water in real time;
if the outlet water temperature is constant at the set temperature, maintaining the current heat of the combustion program and the opening degree of the bypass water channel device in the step S3;
if the outlet water temperature is higher/lower than the set temperature, the process returns to step S3.
2. The method for reducing the water temperature fluctuation of domestic hot water of the gas wall-hanging stove as claimed in claim 1, wherein the step S3 comprises the steps of:
if the outlet water temperature is higher than the set temperature, the process proceeds to step S31:
the combustion procedure adopts minimum fire for heating, and meanwhile, a bypass waterway device is started, and cold water is filled to reduce the temperature to a set temperature;
when the water temperature is reduced to the set temperature, the combustion program maintains the minimum fire and gradually closes the bypass waterway;
if the outlet water temperature is lower than the set temperature, the process proceeds to step S32:
analyzing the difference between the temperature of the outlet water and the temperature of the inlet water, and the difference between the flow of the outlet water and the flow of the inlet water, and selecting a medium fire or a big fire for heating in a combustion program;
when the water temperature rises to the set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened.
3. The method for reducing the water temperature fluctuation of domestic hot water of the gas wall-hanging stove as claimed in claim 2, wherein the step S3 further comprises the steps of:
if the bypass water path is completely closed and the outlet water temperature is higher than the set temperature, the process proceeds to step S33:
the combustion program maintains the minimum fire for heating and simultaneously gradually opens the bypass waterway;
if the bypass water path is completely opened and the outlet water temperature is higher than the set temperature, the process proceeds to step S34:
the combustion program adopts an intermittent combustion mode, and the intermittent combustion mode is that the combustion program adopts minimum fire to heat for T1 seconds firstly and then extinguish for T2 seconds, and the heating is carried out sequentially.
4. The method for reducing the water temperature fluctuation of domestic hot water of the gas wall-hanging stove according to claim 3, wherein the step S3 further comprises the steps of:
if the bypass water path is completely closed and the outlet water temperature is lower than the set temperature, the process proceeds to step S35:
the burning procedure adopts middle fire or big fire for heating;
when the water temperature rises to a set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened;
if the bypass water path is completely opened and the outlet water temperature is lower than the set temperature, the process proceeds to step S36:
the combustion procedure adopts medium fire or big fire for heating, and simultaneously the bypass waterway is gradually closed;
when the water temperature rises to the set temperature, the combustion program is switched to minimum fire for heating, and meanwhile, the bypass water path is gradually opened.
5. The method for reducing the water temperature fluctuation of domestic hot water of the gas wall-mounted boiler as claimed in claim 4, wherein the intermittent combustion procedure comprises sequentially heating the burner for 10-20s with minimum fire and then extinguishing the burner for 10-20 s.
6. A gas wall-mounted boiler is characterized by comprising a wall-mounted boiler body (1), a water storage device (2) arranged in the wall-mounted boiler body, a burner (3) for heating, an outlet water temperature acquisition device (4) for acquiring outlet water temperature, an inlet water temperature acquisition device (5) for acquiring inlet water temperature, an outlet water flow acquisition device (6) for acquiring outlet water flow, an inlet water flow acquisition device (7) for acquiring inlet water flow and a bypass waterway device (8), wherein the wall-mounted boiler body (1) comprises a controller for executing the method for reducing the fluctuation of domestic hot water temperature of the gas wall-mounted boiler according to any one of claims 1-5, the controller is connected with and controls the burner (3) and the bypass waterway device (8), and the outlet water temperature acquisition device (4) and the outlet water flow acquisition device (6) are arranged at the outlet of the water storage device (2), the water inlet temperature acquisition device (5) and the water inlet flow acquisition device (7) are arranged at the water inlet of the water storage device (2), and one end of the bypass waterway device (8) is externally connected with a cold water inlet pipe and the other end is connected with the water storage device (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111298703.3A CN114183933A (en) | 2021-11-04 | 2021-11-04 | Method for reducing temperature fluctuation of domestic hot water of gas wall-mounted boiler and gas wall-mounted boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111298703.3A CN114183933A (en) | 2021-11-04 | 2021-11-04 | Method for reducing temperature fluctuation of domestic hot water of gas wall-mounted boiler and gas wall-mounted boiler |
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| CN206583072U (en) * | 2017-02-25 | 2017-10-24 | 广东万家乐燃气具有限公司 | It is a kind of to reduce cold water cut-off temperature-rising and reduce the gas heater that condensed water is produced |
| CN111426055A (en) * | 2020-05-12 | 2020-07-17 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
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2021
- 2021-11-04 CN CN202111298703.3A patent/CN114183933A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011023527A2 (en) * | 2009-08-31 | 2011-03-03 | BSH Bosch und Siemens Hausgeräte GmbH | Hot water tank comprising a mixing device |
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas heater control method and constant-temperature gas heater |
| US20160348952A1 (en) * | 2015-05-26 | 2016-12-01 | General Electric Company | Heat pump water heater appliance and an electronic mixing valve |
| CN206583072U (en) * | 2017-02-25 | 2017-10-24 | 广东万家乐燃气具有限公司 | It is a kind of to reduce cold water cut-off temperature-rising and reduce the gas heater that condensed water is produced |
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Application publication date: 20220315 |