CN212431357U - Gas water heater - Google Patents
Gas water heater Download PDFInfo
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- CN212431357U CN212431357U CN202021294991.6U CN202021294991U CN212431357U CN 212431357 U CN212431357 U CN 212431357U CN 202021294991 U CN202021294991 U CN 202021294991U CN 212431357 U CN212431357 U CN 212431357U
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Abstract
The utility model relates to the technical field of household appliances, concretely relates to gas heater. The utility model provides a gas water heater includes: the device comprises a controller, a combustion chamber, a fan and a wind speed and wind pressure sensor; the controller comprises an anti-wind pressure detection device, and the anti-wind pressure detection device calculates the system resistance in real time according to the current signal and the wind speed signal of the rotating speed of the fan; the wind pressure resistance detection device determines a rotation speed compensation value according to the system resistance and adjusts the rotation speed of the fan according to the rotation speed compensation value; compared with the prior art, the utility model provides a gas water heater, whether the wind speed signal through fan current variation and sample connection is synthesized and is judged the external world and have the strong wind environment, can avoid the alert frequent problem of anti-wind wrong report, simultaneously to fan compensation rotational speed after, can real-time analysis current fan rotational speed whether satisfy the demand to continue adjusting the fan rotational speed, satisfy the demand until the fan rotational speed, more accurate to the compensation of fan rotational speed, guarantee combustion system normal operating.
Description
Technical Field
The utility model relates to the technical field of household appliances, concretely relates to gas heater.
Background
The gas water heater is also called as a gas water heater, and refers to a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water; the gas water heater is widely used due to the advantages of instant use, small occupied area, high safety, environmental protection and the like.
With the popularization of high-rise residences, the high-rise wind pressure resistance of the gas water heater is a challenge, particularly, in coastal areas, sea wind is large, and when the gas water heater faces the high wind pressure resistance, the phenomena of flameout, combustion failure to reach a set temperature, poor smoke and the like easily occur, so that the use experience of a user is influenced.
The existing water heaters are not provided with wind resisting systems generally, and some water heaters are provided with intelligent wind resisting systems by detecting the current change of a fan and realizing the wind resisting systems in a mode of reducing current and then compensating rotating speed; due to individual difference of the fan and the structure of the fan, the current error changes greatly, so that insufficient compensation or transitional compensation is easily caused, and wind-resistant false alarm is frequent.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the intelligent wind-resistant system of the existing gas water heater adopts a mode of detecting the current of a motor, the error of the current of the motor is large, and the problems of insufficient compensation or excessive compensation and frequent wind-resistant false alarm exist.
In order to solve the technical problem, an embodiment of the utility model provides a gas water heater, include: the device comprises a controller, a combustion chamber, a fan and a wind speed and wind pressure sensor; the fan is communicated with the combustion chamber, a sampling port is arranged on the combustion chamber, the wind speed and wind pressure sensor is arranged at the sampling port, and the wind speed and wind pressure sensor is used for detecting the wind speed and wind pressure at the sampling port; the controller comprises a wind pressure resistance detection device which is electrically connected with the fan and the wind speed and wind pressure sensor; the wind pressure resistance detection device receives a current signal converted by the rotating speed of the fan, and calculates the system resistance according to the current signal of the rotating speed of the fan and the received wind speed signal; the wind pressure resistance detection device determines a rotation speed compensation value according to system resistance and adjusts the rotation speed of the fan according to the rotation speed compensation value, and after the rotation speed of the fan is adjusted, the wind pressure resistance detection device judges whether the current rotation speed meets requirements or not and adjusts the rotation speed compensation value according to a judgment result until the rotation speed of the fan meets the requirements.
Further, the controller further comprises an altitude detection device, wherein the altitude detection device is electrically connected with the wind speed and wind pressure sensor and the fan and is used for detecting the current atmospheric pressure and calculating the altitude under the current atmospheric pressure.
Furthermore, the altitude detection device controls the fan to operate at different rotating speeds, receives the wind speed and the wind pressure detected by the wind speed and wind pressure sensor at different rotating speeds of the fan, compares the wind speed and the wind pressure at different rotating speeds with preset values to determine the current atmospheric pressure, and calculates the altitude under the current atmospheric pressure.
Furthermore, the controller also comprises a rotating speed compensation device, the rotating speed compensation device is electrically connected with the fan and the altitude detection device, and the rotating speed compensation device calculates a rotating speed compensation value according to the current altitude.
Further, the gas water heater also comprises a gas channel and a proportional valve, wherein the gas channel is used for supplying gas to the combustion chamber, and the proportional valve is arranged on the gas channel.
Further, the controller also comprises a gas compensation device, the gas compensation device is electrically connected with the proportional valve, and the gas compensation device calculates a gas compensation value according to the current altitude.
Further, the fan is a direct current variable frequency fan.
Further, the gas water heater further comprises a shell, and the controller, the combustion chamber, the fan and the wind speed and wind pressure sensor are all arranged in the shell.
Furthermore, the gas water heater also comprises a smoke exhaust pipe, one end of the smoke exhaust pipe is communicated with the combustion chamber, and the other end of the smoke exhaust pipe penetrates through the shell to be communicated with the outside atmosphere.
Further, the gas water heater is still including locating feel the fire needle in the casing, it is used for detecting the flame state in the combustion chamber to feel the fire needle.
The utility model has the advantages that: the utility model provides a gas water heater includes: the device comprises a controller, a combustion chamber, a fan and a wind speed and wind pressure sensor; the controller comprises a wind pressure resistance detection device, the wind pressure resistance detection device receives a current signal converted by the rotating speed of the fan, and the wind pressure resistance detection device calculates the system resistance in real time according to the current signal of the rotating speed of the fan and a wind speed signal; the wind pressure resistance detection device determines a rotation speed compensation value according to the system resistance and adjusts the rotation speed of the fan according to the rotation speed compensation value; compared with the prior art, the utility model provides a gas water heater, whether the wind speed signal through fan current variation and sample connection is synthesized and is judged the external world and have the strong wind environment, can avoid the alert frequent problem of anti-wind wrong report, simultaneously to fan compensation rotational speed after, can real-time analysis current fan rotational speed whether satisfy the demand to continue adjusting the fan rotational speed, satisfy the demand until the fan rotational speed, more accurate to the compensation of fan rotational speed, guarantee combustion system normal operating.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described 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 schematic structural diagram of the gas water heater according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of the controller of the gas water heater according to the first embodiment of the present invention.
Icon: 1-a shell; 11-a combustion chamber; 111-a sample port; 12-a fan; 13-wind speed and wind pressure sensor; 14-a proportional valve; 15-a controller; 151-wind pressure resistance detection means; 152-altitude detection means; 153-rotational speed compensation means; 154-gas compensation means; 16-smoke exhaust pipe.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understandable, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description, and the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1 and 2, the present embodiment provides a gas water heater, including: the controller 15, the combustion chamber 11, the fan 12 and the wind speed and pressure sensor 13; the fan 12 is communicated with the combustion chamber 11, a sampling port 111 is arranged on the combustion chamber 11, the wind speed and wind pressure sensor 13 is arranged at the sampling port 111, and the wind speed and wind pressure sensor 13 is used for detecting the wind speed and wind pressure at the sampling port 111; the controller 15 comprises a wind pressure resistance detection device 151, and the wind pressure resistance detection device 151 is electrically connected with the fan 12 and the wind speed and pressure sensor 13; the wind pressure resistance detection device 151 receives a current signal converted by the rotating speed of the fan 12, and the wind pressure resistance detection device 151 calculates system resistance according to the current signal of the rotating speed of the fan 12 and the received wind speed signal; the wind pressure resistance detection device 151 determines a rotation speed compensation value according to the system resistance, adjusts the rotation speed of the fan 12 according to the rotation speed compensation value, and after the rotation speed of the fan 12 is adjusted, the wind pressure resistance detection device 151 judges whether the current rotation speed meets the requirement or not, and adjusts the rotation speed compensation value according to the judgment result until the rotation speed of the fan 12 meets the requirement.
The controller 15, the combustion chamber 11, the fan 12 and the wind speed and wind pressure sensor 13 of the gas water heater provided by the embodiment; the controller 15 comprises a wind pressure resistance detection device 151, the wind pressure resistance detection device 151 receives a current signal converted by the rotating speed of the fan 12, and the wind pressure resistance detection device 151 calculates the system resistance in real time according to the current signal and the wind speed signal of the rotating speed of the fan 12; the wind pressure resistance detection device 151 determines a rotation speed compensation value according to the system resistance, and adjusts the rotation speed of the fan 12 according to the rotation speed compensation value; compared with the prior art, the utility model provides a gas water heater, whether the wind speed signal through fan 12 current variation and sample connection 111 is synthesized and is judged the external world and has the strong wind environment, can avoid the alert frequent problem of anti-wind wrong report, simultaneously to fan 12 compensation rotational speed after, can real-time analysis current fan 12 rotational speed whether satisfy the demand to continue adjusting fan 12 rotational speed, satisfy the demand until fan 12 rotational speed, it is more accurate to the compensation of fan 12 rotational speed, guarantee combustion system normal operating.
Wherein in this embodiment, gas heater still includes casing 1, sense the fire needle, gas channel and proportional valve 14, controller 15, combustion chamber 11, sense the fire needle, gas channel, proportional valve 14, fan 12 and wind speed wind pressure sensor 13 are all located in casing 1, fan 12 is direct current frequency conversion fan, gas channel is used for supplying the gas to combustion chamber 11, proportional valve 14 is located on gas channel, it is used for detecting the flame state in the combustion chamber 11 to sense the fire needle, gas heater still includes exhaust pipe 16, the one end and the combustion chamber 11 intercommunication of exhaust pipe 16, the other end passes casing 1 and external atmosphere intercommunication.
When the water heater is in a normal combustion working state, the wind speed and wind pressure sensor 13 detects the wind speed state at the sampling port 111 in real time; when the smoke exhaust pipe 16 is blocked due to external strong wind or instant wind, the wind speed at the position of the sampling port 111 is obviously reduced, the wind speed and wind pressure sensor 13 detects the reduction of the rotating speed at the sampling port 111 and transmits the reduction to the wind pressure resistance detection device 151, meanwhile, the wind pressure resistance detection device 151 can also detect the change of the rotating speed of the fan 12, the rotating speed signal of the fan 12 is converted into a current signal, when the current of the fan 12 is obviously reduced and the wind speed at the sampling port 111 is also obviously reduced, the external world is judged to be in a strong wind state at the moment, the wind pressure resistance detection device 151 can calculate the current system resistance according to the detected wind speed and the change of the current of the fan 12, the wind pressure resistance detection device 151 determines a rotating speed compensation value according to the system.
After the fan 12 adjusts the rotating speed, the wind pressure resistance detection device 151 analyzes the wind speed after compensating the rotating speed in real time, whether the current theoretical requirement is met or not is judged, and if the current theoretical requirement is met, the system operates normally; if the wind pressure is not satisfied, the wind pressure resistance detection device 151 continues to adjust the rotation speed compensation value of the fan 12 until the theoretical requirement is met, and normal operation of the combustion system is ensured.
When the external strong wind of the exhaust port disappears or the instantaneous blockage disappears, the wind speed and wind pressure sensor 13 detects the increase of the wind speed at the sampling port 111, the wind pressure resistance detection device 151 detects the increase of the current of the fan 12, the wind pressure resistance detection device 151 rapidly calculates the current system resistance, cancels the rotation speed compensation of the fan 12, maintains the normal operation of combustion, and prevents the flame from being separated due to the overhigh rotation speed of the early-stage compensation.
Example two
The present embodiment is substantially the same as the first embodiment in technical solution, and the main difference is that the controller 15 in the present embodiment further includes an altitude detection device 152, a gas compensation device 154 and a rotation speed compensation device 153, and the altitude detection device 152 is electrically connected to the wind speed and wind pressure sensor 13 and the fan 12, and is configured to detect the current atmospheric pressure and calculate an altitude under the current atmospheric pressure; the rotation speed compensator 153 can compensate the rotation speed according to the current altitude, and the gas compensator 154 calculates a gas compensation value according to the current altitude and adjusts the opening of the proportional valve 14 according to the gas compensation value. The gas water heater in the prior art does not have the altitude compensation function, so that the defects of insufficient rotating speed of the fan 12 and insufficient gas proportion can occur, and the combustion cannot reach the designed temperature; or in the prior art, the manual setting mode is adopted for forced compensation, so that the possibility of misoperation exists in manual operation, the operation is complicated, and the efficiency is low.
In the embodiment, the altitude can be automatically detected through the altitude detection device 152, the gas compensation device 154 and the rotation speed compensation device 153, and a compensation scheme is determined according to the altitude, the rotation speed of the fan 12 and the opening degree of the proportional valve 14, so that the intelligentization is better; meanwhile, the wind direction of misoperation caused by manual operation is avoided by the automatic compensation mode, the compensation precision is higher, the effect of fully and stably burning can be achieved, the carbon monoxide is prevented from exceeding the standard, the phenomenon that resonance is generated due to mismatching of air-fuel ratio is avoided, and the heat load is ensured to meet the requirement.
In this embodiment, the altitude detection device 152, the rotational speed compensation device 153, and the gas compensation device 154 operate after the gas water heater is first powered on for debugging or the production setting is restored; specifically, when the system is powered on, the altitude detection device 152 sends a control signal to the fan 12 to control the fan 12 to operate at different rotational speeds (the rotational speed is from low to high, and the operation lasts for about 5 to 10 seconds); at this moment, the wind speed and wind pressure sensor 13 detects the wind speed and wind pressure of the sampling port 111 in the current state, the wind speed and wind pressure sensor 13 converts the wind speed data obtained by the sampling port 111 into an electric signal, the altitude detection device 152 compares the wind speed and wind pressure at different rotating speeds with preset values, the atmospheric pressure suitable for the current wind speed and wind pressure is automatically calculated through background data intelligent analysis, and the altitude under the current atmospheric pressure is calculated.
The rotation speed compensation device 153 is electrically connected to the fan 12 and the altitude detection device 152, and the rotation speed compensation device 153 calculates a rotation speed compensation value according to the current altitude (different altitude rotation speed compensation values). After the rotation speed compensation value is determined, the rotation speed compensation device 153 controls the fan 12 to stop running, automatically stores the setting and enters a standby state; and (5) starting up the water heater for operation next time, and directly entering the selected plateau rotation speed compensation mode for operation.
The higher the altitude, the lower the gas density, and the operating parameters of the proportional valve 14 corresponding to plain areas, will result in a lower thermal load. The gas compensation device 154 can correspondingly compensate the air supply quantity of the proportional valve 14 according to the altitude so as to meet the specified heat load requirement.
The gas compensation device 154 and the altitude detection device 152 operate simultaneously, the gas compensation device 154 is in point connection with the proportional valve 14 and the altitude detection device 152, the gas compensation device 154 receives current altitude information from the altitude detection device 152, and after the atmospheric pressure in the current state is determined, the gas compensation device 154 calculates a gas compensation value suitable for the current atmospheric pressure, namely, the proportion between gas and air is adjusted by adjusting the opening degree of the proportional valve 14, so as to compensate the problem that the combustion heat load is lower due to the fact that the gas density is reduced; after the gas compensation value is determined, the control module controls the fan 12 to stop running, automatically stores the setting and enters a standby state; and (4) starting up the water heater for operation next time, and directly entering the selected plateau gas compensation mode for operation.
When the wind power generator is used for the first time by electrifying or is used for the first time after being restored to factory setting, the wind speed sensor 13 measures the wind speed in the system by operating within the rotating speed range of the fixed fan 12 for 5 to 10 seconds, then the altitude detection device 152 automatically calculates the ambient atmospheric pressure under the corresponding wind speed, and then the altitude is obtained according to the ambient atmospheric pressure; after the corresponding altitude is determined, respectively determining a rotating speed compensation scheme and a fuel gas supply compensation scheme; after the scheme is determined, the control module controls the fan 12 to stop running, automatically stores the setting and enters a standby state; the next time the water heater is started to operate, the water heater automatically enters a plateau air volume and gas volume compensation mode to operate, so that the effect of fully and stably burning can be achieved, the carbon monoxide is prevented from exceeding the standard, the phenomenon that the air-fuel ratio is not matched to generate resonance is avoided, and the heat load is ensured to meet the requirement.
To sum up, the gas water heater provided by the utility model is provided with an anti-wind pressure detection device 151, an altitude detection device 152, a gas compensation device 154 and a rotation speed compensation device 153; the altitude detection device 152, the gas compensation device 154 and the rotating speed compensation device 153 can automatically compensate the rotating speed of the fan 12 and the mixing ratio of gas and air, so as to solve the problems of rotating speed reduction and small gas density and uneven heat load caused by different altitudes; simultaneously, the wind pressure resistance detection device 151 comprehensively judges whether a strong wind environment exists in the outside through the current change of the fan 12 and the wind speed signal of the sampling port, can avoid the frequent problem of wind and false alarm, and can analyze whether the current rotating speed of the fan 12 meets the requirement or not in real time after the rotating speed of the fan 12 is compensated, and continuously adjust the rotating speed of the fan 12 until the rotating speed of the fan 12 meets the requirement, so that the compensation on the rotating speed of the fan 12 is more accurate, and the normal operation of a combustion system is ensured.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A gas water heater, comprising: the device comprises a controller (15), a combustion chamber (11), a fan (12) and a wind speed and wind pressure sensor (13);
the fan (12) is communicated with the combustion chamber (11), a sampling port (111) is arranged on the combustion chamber (11), the wind speed and wind pressure sensor (13) is arranged at the sampling port (111), and the wind speed and wind pressure sensor (13) is used for detecting the wind speed and wind pressure at the sampling port (111);
the controller (15) comprises a wind pressure resistance detection device (151), and the wind pressure resistance detection device (151) is electrically connected with the fan (12) and the wind speed and pressure sensor (13); the wind pressure resistance detection device (151) receives a current signal converted by the rotating speed of the fan (12), and the wind pressure resistance detection device (151) calculates the system resistance according to the current signal of the rotating speed of the fan (12) and the received wind speed signal; the wind pressure resistance detection device (151) determines a rotating speed compensation value according to system resistance, adjusts the rotating speed of the fan (12) according to the rotating speed compensation value, and after the rotating speed of the fan (12) is adjusted, the wind pressure resistance detection device (151) judges whether the current rotating speed meets requirements or not and adjusts the rotating speed compensation value according to a judgment result until the rotating speed of the fan (12) meets requirements.
2. The gas water heater of claim 1, wherein the controller (15) further comprises an altitude detection device (152), the altitude detection device (152) is electrically connected to the wind speed and wind pressure sensor (13) and the fan (12) for detecting the current atmospheric pressure and calculating the altitude at the current atmospheric pressure.
3. The gas water heater as claimed in claim 2, wherein the altitude detection means (152) controls the fan (12) to operate at different rotation speeds, and receives the wind speed and the wind pressure detected by the wind speed and wind pressure sensor (13) at different rotation speeds of the fan (12), and compares the wind speed and the wind pressure at different rotation speeds with preset values to determine the current atmospheric pressure, and calculates the altitude at the current atmospheric pressure.
4. The gas water heater of claim 2, wherein the controller (15) further comprises a speed compensation device (153), the speed compensation device (153) being electrically connected to the fan (12) and the altitude detection device (152), the speed compensation device (153) calculating a speed compensation value based on a current altitude.
5. Gas water heater according to claim 2, further comprising a gas channel for supplying gas to the combustion chamber (11) and a proportional valve (14), the proportional valve (14) being provided on the gas channel.
6. The gas water heater of claim 5, wherein the controller (15) further comprises a gas compensation device (154), the gas compensation device (154) being electrically connected to the proportional valve (14), the gas compensation device (154) calculating a gas compensation value based on a current altitude.
7. Gas water heater according to claim 1, characterized in that the fan (12) is a direct current variable frequency fan.
8. The gas water heater according to any one of claims 1-7, further comprising a housing (1), wherein the controller (15), the combustion chamber (11), the fan (12) and the wind pressure sensor (13) are all disposed in the housing (1).
9. The gas water heater of claim 8, further comprising a smoke exhaust pipe (16), wherein one end of the smoke exhaust pipe (16) is communicated with the combustion chamber (11), and the other end of the smoke exhaust pipe passes through the shell (1) and is communicated with the outside atmosphere.
10. Gas water heater according to claim 8, further comprising a fire sensing needle provided in the housing (1) for detecting a flame condition in the combustion chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021294991.6U CN212431357U (en) | 2020-07-03 | 2020-07-03 | Gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021294991.6U CN212431357U (en) | 2020-07-03 | 2020-07-03 | Gas water heater |
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| CN212431357U true CN212431357U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021294991.6U Active CN212431357U (en) | 2020-07-03 | 2020-07-03 | Gas water heater |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941908A (en) * | 2021-02-10 | 2022-08-26 | 芜湖美的厨卫电器制造有限公司 | Control method, gas water heater and medium |
| CN115289684A (en) * | 2022-06-30 | 2022-11-04 | 芜湖美的智能厨电制造有限公司 | Control method, water heater and computer readable storage medium |
| CN115808023A (en) * | 2022-12-29 | 2023-03-17 | 芜湖美的智能厨电制造有限公司 | Gas water heater control method and device, gas water heater and storage medium |
| CN115978807A (en) * | 2022-12-29 | 2023-04-18 | 芜湖美的智能厨电制造有限公司 | Gas water heater control method and device, gas water heater and storage medium |
| CN116045523A (en) * | 2022-12-29 | 2023-05-02 | 芜湖美的智能厨电制造有限公司 | Control method and device of gas water heater, gas water heater and storage medium |
-
2020
- 2020-07-03 CN CN202021294991.6U patent/CN212431357U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941908A (en) * | 2021-02-10 | 2022-08-26 | 芜湖美的厨卫电器制造有限公司 | Control method, gas water heater and medium |
| CN115289684A (en) * | 2022-06-30 | 2022-11-04 | 芜湖美的智能厨电制造有限公司 | Control method, water heater and computer readable storage medium |
| WO2024001511A1 (en) * | 2022-06-30 | 2024-01-04 | 芜湖美的智能厨电制造有限公司 | Control method, water heater, and computer-readable storage medium |
| CN115808023A (en) * | 2022-12-29 | 2023-03-17 | 芜湖美的智能厨电制造有限公司 | Gas water heater control method and device, gas water heater and storage medium |
| CN115978807A (en) * | 2022-12-29 | 2023-04-18 | 芜湖美的智能厨电制造有限公司 | Gas water heater control method and device, gas water heater and storage medium |
| CN116045523A (en) * | 2022-12-29 | 2023-05-02 | 芜湖美的智能厨电制造有限公司 | Control method and device of gas water heater, gas water heater and storage medium |
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