CN105091348A - Control method and control device for combustion heating of energy-saving and environment-friendly heating hot-water furnace - Google Patents
Control method and control device for combustion heating of energy-saving and environment-friendly heating hot-water furnace Download PDFInfo
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- CN105091348A CN105091348A CN201510519292.4A CN201510519292A CN105091348A CN 105091348 A CN105091348 A CN 105091348A CN 201510519292 A CN201510519292 A CN 201510519292A CN 105091348 A CN105091348 A CN 105091348A
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Abstract
The invention discloses a control method for combustion heating of an energy-saving and environment-friendly heating hot-water furnace. The control method is characterized by comprising the following embodiment steps: firstly importing atmospheric pressure data for controlling a starting power of a fan, working power data of the fan, and opening proportion data for controlling a gas proportional valve through a chip of a controller, opening the gas proportional valve while controlling an ignition needle of a combustion heat exchanger to ignite by the controller, and controlling an atmospheric pressure sensor to detect an atmospheric pressure value of an external environment by the controller simultaneously to determine an altitude, controlling the starting power of the fan by the controller according to a feedback pressure value of the atmospheric pressure sensor, determining a rotational speed of the fan according to the starting power of the fan, determining an air inflow through the rotational speed of the fan, and determining an oxygen inflow through the air inflow, thus achieving the lowest requirement that ignition in a combustion chamber of the combustion heat exchanger can be realized after mixing of air and a gas, and ensuing normal combustion or achieving the requirements of adequate combustion. The method realizes control on an oxygen supply capacity by adjusting the starting power and the rotational speed of the fan due to the different oxygen contents of different altitudes, so that the combustion heat exchanger can normally realize ignition and combustion.
Description
Technical field
The present invention relates to burning attachment means, specifically a kind of combustion heating control method of energy saving and environment friendly water heater for heating and control device thereof.
Background technology
Existing water heater is all atmospheric burning type mode of heating.After complete machine starts, blower fan is capacity operation always, burner is fire grate type burning, gas valve is ratio control by a small margin after opening, and leaving water temperature realizes mainly through the combination of artificial knob or the following 3 kinds of modes of button or these 3 kinds of modes: 1, control flame intensity by the row of catching fire of summer, feast-brand mark knowledge prompting in winter client control combustion device fire row and control leaving water temperature.2, leaving water temperature is controlled by discharge size.3, the manual adjustment combustion gas amount of feeding regulates intensity of fire.But, in actual use, after water heater is opened fire, sometimes have blue fire, Huang Huo, flourishing difference, its intensity of fire is also different, whether this is relevant to oxygen Thorough combustion or oxygen implication is relevant combustion gas, above control is all realized by the mode of artificial knob, the water temperature of manual adjustment, people often only focus on the temperature of water, ignore or do not know combustion gas and air stoichiometry and reach the Thorough combustion of combustion gas, causing a large amount of thermal waste and the overproof discharge of the nuisance such as carbon monoxide and nitrogen oxide.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of structure simple, according to the different air pressure of height above sea level, the combustion heating control method of the energy saving and environment friendly water heater for heating of adjustment power of fan and control device thereof automatically.
The scheme solving above-mentioned technical problem is:
The combustion heating control method of energy saving and environment friendly water heater for heating, implementation step is as follows: first import by the chip of controller (1) the atmospheric pressure data controlling blower fan (13) starting power, the operating power data of blower fan (13) and control gas ratio valve (12) open ratio data, when the ignition electrode (15) by controller (1) control combustion heat exchanger (14) is lighted a fire, open gas ratio valve (12) simultaneously, controller (1) also controls the atmospheric pressure intensity values that atmospheric pressure intensity sensor (11) detects external environment condition simultaneously, determine height above sea level, controlled the starting power of blower fan (13) again by controller (1) according to the feedback pressure values of atmospheric pressure intensity sensor (11), according to the starting power of blower fan (13), determine the rotating speed of blower fan (13), by the air inflow of the rotating speed determination air of blower fan (13), by the air inflow determination oxygen feeding amount of air, the minimum requirements that can kindle a fire in the combustion chamber of combustion heat exchanger (14) after reaching air and combustion gas mixing normal combustion or reach Thorough combustion requirement.
The combustion heating control device of energy saving and environment friendly water heater for heating, combustion heating control device comprises controller (1), controller (1) is connected with atmospheric pressure intensity sensor (11), gas ratio valve (12), blower fan (13) respectively by power conductor, blower fan (13) is connected with combustion heat exchanger (14) by airduct (131), combustion heat exchanger (14) is installed with ignition electrode (15), ignition electrode (15) is connected on controller (1) by electric wire; Described blower fan (13) is connected with blast pipe (132), described blast pipe (132) is connected with gas inlet pipe (16), gas inlet pipe (16) is provided with gas ratio valve (12); Described combustion heat exchanger (14) is provided with water inlet (142) and delivery port (143).
Advantage of the present invention:
This product structure is simple, during work, according to the atmospheric pressure data imported in advance, the atmospheric pressure intensity values of external environment condition is detected by atmospheric pressure intensity sensor, found by Real-Time Atmospheric pressure values and import corresponding atmospheric pressure data in advance, determine according to the atmospheric pressure Value Data of correspondence the power starting blower fan, solve amount of oxygen difference contained by different altitude height and by regulating fan starting power and rotating speed to control oxygen delivery capacity, combustion heat exchanger energy normal ignition burnt.
Accompanying drawing explanation
Fig. 1 is the control device block diagram of product of the present invention;
Fig. 2 is the control device block diagram of product of the present invention;
Fig. 3 is the control device application structure schematic diagram of product of the present invention;
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows:
The combustion heating control method of energy saving and environment friendly water heater for heating, implementation step is as follows: first import by the chip of controller 1 the atmospheric pressure data controlling blower fan 13 starting power, the operating power data of blower fan 13 and control gas ratio valve 12 open ratio data, when the ignition electrode 15 by controller 1 control combustion heat exchanger 14 is lighted a fire, open gas ratio valve 12 simultaneously, controller 1 also controls the atmospheric pressure intensity values that atmospheric pressure intensity sensor 11 detects external environment condition simultaneously, determine height above sea level, controlled the starting power of blower fan 13 again by controller 1 according to the feedback pressure values of atmospheric pressure intensity sensor 11, according to the starting power of blower fan 13, determine the rotating speed of blower fan 13, by the air inflow of the rotating speed determination air of blower fan 13, by the air inflow determination oxygen feeding amount of air, the minimum requirements that can kindle a fire in the combustion chamber of combustion heat exchanger 14 after reaching air and combustion gas mixing normal combustion or reach Thorough combustion requirement.
The combustion heating control device of energy saving and environment friendly water heater for heating, combustion heating control device comprises controller 1, controller 1 is connected with atmospheric pressure intensity sensor 11, gas ratio valve 12, blower fan 13 respectively by power conductor, blower fan 13 is connected with combustion heat exchanger 14 by airduct 131, combustion heat exchanger 14 is installed with ignition electrode 15, ignition electrode 15 is connected on controller 1 by electric wire; Described blower fan 13 is connected with blast pipe 132, described blast pipe 132 is connected with gas inlet pipe 16, gas inlet pipe 16 is provided with gas ratio valve 12;
Described combustion heat exchanger 14 is provided with water inlet 142 and delivery port 143.
Described blower fan 13 is frequency conversion fan.
Described combustion heat exchanger 14 afterbody is connected with smoke exhaust pipe 141.
The application implementation 1 of the combustion heating control device of energy saving and environment friendly water heater for heating:
As Fig. 1, Fig. 2, shown in Fig. 3: during work, current enter from water inlet 142, flow out at delivery port 143, the ignition electrode 15 of controller 1 control combustion heat exchanger 14 is lighted a fire, also controller 1 controls the atmospheric pressure intensity values that atmospheric pressure intensity sensor 11 detects external environment condition simultaneously, controlled the starting power of blower fan 13 again by controller 1 according to the feedback pressure values of atmospheric pressure intensity sensor 11, operating power is decided to be by the starting power of blower fan 13, oxygen content is determined according to blower fan 13 operating power determination intake, controller 1 controls gas ratio valve 12 and opens, make the incendivity proportioning that the oxygen in combustion gas and air intake reaches best, ignition electrode 15 is lighted fast when lighting a fire, such as: when gas ratio valve 12 sets the ratio 30% opened, the operating power of blower fan 13 is 50 watts-100 watts, and corresponding blower fan 13 rotating speed is 1500 revs/min-8000 revs/min, the operating power of blower fan 13 reduces along with atmospheric pressure intensity values and improves blower fan 13 operating power, accelerates the rotating speed of blower fan, increases oxygen delivery capacity, the detection range of atmospheric pressure intensity sensor 41 is: 100Kpa-30Kpa, corresponding height above sea level is 0 meter-9000 meters, during work, the ignition electrode 15 of controller 1 control combustion heat exchanger 14 is lighted a fire, also the atmospheric pressure intensity values that atmospheric pressure intensity sensor 11 detects external environment condition is controlled with Time Controller 1, when the atmospheric pressure intensity values detected is 90Kpa, presumption height above sea level about 1000 meters, according to the feedback pressure values of atmospheric pressure intensity sensor 11, the power that blower fan 13 starts 55 watts is controlled by controller 1, according to 55 watts of power that blower fan 13 starts, the estimating rotation speed of blower fan 13 is 2000 revs/min, this just can make the oxygen content in intake and gas ratio valve 12 open 30% enter to reach after gas quantity mixes minimum requirements that start-up point catches fire and burn, make combustion gas, oxygen reaches the igniting requirement of optimum proportioning, when the atmospheric pressure intensity values detected is 70Kpa, presumption height above sea level about 3000 meters, according to the feedback pressure values of atmospheric pressure intensity sensor 11, the power that blower fan 13 starts 65 watts is controlled by controller 1, according to 65 watts of power that blower fan 13 starts, the estimating rotation speed of blower fan 13 is 3000 revs/min, this just can make the oxygen content in intake and gas ratio valve 12 open 30% enter to reach after gas quantity mixes minimum requirements that start-up point catches fire and burn, and makes combustion gas, igniting requirement that oxygen reaches optimum proportioning, the constant rate that gas ratio valve 12 is once opened, but along with the rising of height above sea level, content of oxygen in air gradually reduces, rotating speed is increased by the operating power improving blower fan 13, make air intake quantitative change greatly to reach the quantity delivered of supplemental oxygen, make the supply gas quantity fixed and adjust blower fan 13 operating power because of different altitude height and carry out adjusting rotary speed, to ensure minimum oxygen quantity delivered, to reach the minimum requirements of a little catching fire and to burn, make combustion gas, igniting requirement that oxygen reaches optimum proportioning.
The application implementation 2 of the combustion heating control device of energy saving and environment friendly water heater for heating:
As shown in Figure 1, Figure 2, Figure 3 shows: during work, current enter from water inlet 142, flow out from delivery port 143; The ignition electrode 15 of controller 1 control combustion heat exchanger 14 is lighted a fire, controller 1 also controls the atmospheric pressure intensity values that atmospheric pressure intensity sensor 11 detects external environment condition simultaneously, controlled the starting power of frequency conversion fan 1 again by controller 1 according to the feedback pressure values of atmospheric pressure intensity sensor 11, according to the starting power of frequency conversion fan 13, controller 1 controls the ratio that gas ratio valve 12 is opened again, reach air to mix with the optimal proportion of combustion gas, make mixed combustion gas Thorough combustion in combustion heat exchanger 14; Such as: when to set the proportion opened be 30%-100% to gas ratio valve 12, the ratio that activates to open is minimum opens 30%; The operating power of frequency conversion fan 13 is 50 watts-100 watts, and corresponding frequency conversion fan 13 rotating speed is 1500 revs/min-8000 revs/min; The operating power of frequency conversion fan 13 reduces along with atmospheric pressure intensity values and improves frequency conversion fan 13 operating power, accelerates the rotating speed of blower fan, increases oxygen delivery capacity; The detection range of atmospheric pressure intensity sensor 11 is: 100Kpa-30Kpa, and corresponding height above sea level is 0 meter-9000 meters; The ratio that gas ratio valve 12 is opened adjusts by controller 1 ratio of opening according to the starting power of frequency conversion fan 13 automatically; Gas ratio valve 12 increases along with the raising of frequency conversion fan 13 operating power the ratio of opening, and forms the curve tendency figure of direct ratio between frequency conversion fan 13, atmospheric pressure intensity sensor 11, gas ratio valve 12 three; If the ratio that frequency conversion fan 13 and atmospheric pressure, gas ratio valve 12 are opened is set as follows: when atmospheric pressure intensity values is 100Kpa, frequency conversion fan 13 starts operating power and is: 50 watts, and the ratio that gas ratio valve 12 is opened is 30%; When atmospheric pressure intensity values is 80Kpa, frequency conversion fan 13 starts operating power and is: 60 watts, and the ratio that gas ratio valve 12 is opened is 40%; Atmospheric pressure intensity values is that the frequency conversion fan 13 between 60Kpa starts operating power and is: 65 watts, the ratio that gas ratio valve 12 is opened is 50%, analogizes in proportion successively; Frequency conversion fan 13 is connected with combustion heat exchanger 14 by airduct 131, and combustion heat exchanger 14 is provided with water inlet 142 and delivery port 143, and current enter from water inlet 142, flows out from delivery port 143; The ignition electrode 15 of controller 1 control combustion heat exchanger 14 is lighted a fire, controller 1 also controls the atmospheric pressure intensity values that atmospheric pressure intensity sensor 11 detects external environment condition simultaneously, when the atmospheric pressure intensity values detected is 80Kpa, according to the feedback pressure values of atmospheric pressure intensity sensor 11, the power that frequency conversion fan 13 starts 60 watts is controlled by controller 1, according to 60 watts of power that frequency conversion fan 13 starts, it is 40% that controller 4 controls the ratio that gas ratio valve 12 opens, reach air like this to mix with the optimal proportion of combustion gas, make after mixing at combustion gas Thorough combustion in combustion heat exchanger 14; When the atmospheric pressure intensity values detected is 60Kpa, according to the feedback pressure values of atmospheric pressure intensity sensor 11, the power that frequency conversion fan 13 starts 65 watts is controlled by controller 1, according to 60 watts of power that frequency conversion fan 13 starts, it is 50% that controller 1 controls the ratio that gas ratio valve 12 opens, reach air like this to mix with the optimal proportion of combustion gas, make mixed combustion gas Thorough combustion in combustion heat exchanger 14.
The combustion heating control method Application Example 1 of energy saving and environment friendly water heater for heating:
Implementation step is as follows: first by the chip of controller 1 import control the atmospheric pressure data of blower fan 13 starting power, the operating power data of blower fan 13 and control gas ratio valve 12 open ratio data, the concrete control data of importing is: gas ratio valve 12 sets the ratio 30% opened, the operating power of blower fan 13 is 50 watts-100 watts, and corresponding blower fan 13 rotating speed is 1500 revs/min-8000 revs/min, the operating power of blower fan 13 reduces along with atmospheric pressure intensity values and improves blower fan 13 operating power, accelerates the rotating speed of blower fan, increases oxygen delivery capacity, the detection range of atmospheric pressure intensity sensor 41 is: 100Kpa-30Kpa, corresponding height above sea level is 0 meter-9000 meters, when the ignition electrode 15 of controller 1 control combustion heat exchanger 14 is lighted a fire, also the atmospheric pressure intensity values that atmospheric pressure intensity sensor 11 detects external environment condition is controlled with Time Controller 1, when the atmospheric pressure intensity values detected is 90Kpa, presumption height above sea level about 1000 meters, according to the feedback pressure values of atmospheric pressure intensity sensor 11, the power that blower fan 13 starts 55 watts is controlled by controller 1, according to 55 watts of power that blower fan 13 starts, the estimating rotation speed of blower fan 13 is 2000 revs/min, this just can make the oxygen content in intake and gas ratio valve 12 open 30% enter the minimum requirements that to reach after gas quantity mixes and can put in the combustion chamber of combustion heat exchanger 14 and catch fire and burn, make combustion gas, oxygen reaches the igniting requirement of optimum proportioning, when the atmospheric pressure intensity values detected is 70Kpa, presumption height above sea level about 3000 meters, according to the feedback pressure values of atmospheric pressure intensity sensor 11, the power that blower fan 13 starts 65 watts is controlled by controller 1, according to 65 watts of power that blower fan 13 starts, the estimating rotation speed of blower fan 13 is 3000 revs/min, this just can make the oxygen content in intake and gas ratio valve 12 open 30% enter the minimum requirements that to reach after gas quantity mixes and can put in the combustion chamber of combustion heat exchanger 14 and catch fire and burn, and makes combustion gas, igniting requirement that oxygen reaches optimum proportioning, the constant rate that gas ratio valve 12 is once opened, but along with the rising of height above sea level, content of oxygen in air gradually reduces, rotating speed is increased by the operating power improving blower fan 13, make air intake quantitative change greatly to reach the quantity delivered of supplemental oxygen, make the supply gas quantity fixed and adjust blower fan 13 operating power because of different altitude height and carry out adjusting rotary speed, to ensure minimum oxygen quantity delivered, to reach the minimum requirements of a little catching fire and to burn, make combustion gas, igniting requirement that oxygen reaches optimum proportioning.
The combustion heating control method Application Example 2 of energy saving and environment friendly water heater for heating:
Implementation step is as follows: first by the chip of controller 1 import control the atmospheric pressure data of frequency conversion fan 13 starting power, the operating power data of frequency conversion fan 13 and control gas ratio valve 12 open ratio data, the concrete control data imported is: gas ratio valve 12 sets the proportion opened when being 30%-100%, and the ratio that activates to open is minimum opens 30%, the operating power of frequency conversion fan 13 is 50 watts-100 watts, and corresponding frequency conversion fan 13 rotating speed is 1500 revs/min-8000 revs/min, the operating power of frequency conversion fan 13 reduces along with atmospheric pressure intensity values and improves frequency conversion fan 13 operating power, accelerates the rotating speed of blower fan, increases oxygen delivery capacity, the detection range of atmospheric pressure intensity sensor 11 is: 100Kpa-30Kpa, and corresponding height above sea level is 0 meter-9000 meters, the ratio that gas ratio valve 12 is opened adjusts by controller 1 ratio of opening according to the starting power of frequency conversion fan 13 automatically, gas ratio valve 12 increases along with the raising of frequency conversion fan 13 operating power the ratio of opening, and forms the curve tendency figure of direct ratio between frequency conversion fan 13, atmospheric pressure intensity sensor 11, gas ratio valve 12 three, if the ratio that frequency conversion fan 13 and atmospheric pressure, gas ratio valve 12 are opened is set as follows: when atmospheric pressure intensity values is 100Kpa, height above sea level is 100 meters, and frequency conversion fan 13 starts operating power and is: 50 watts, and the ratio that gas ratio valve 12 is opened is 30%, when atmospheric pressure intensity values is 80Kpa, height above sea level is 2000 meters, and frequency conversion fan 13 starts operating power and is: 60 watts, and the ratio that gas ratio valve 12 is opened is 40%, analogize in proportion successively, the ignition electrode 15 of controller 1 control combustion heat exchanger 14 is lighted a fire, controller 1 also controls the atmospheric pressure intensity values that atmospheric pressure intensity sensor 11 detects external environment condition simultaneously, when the atmospheric pressure intensity values detected is 100Kpa, determine that height above sea level is 100 meters, according to the feedback pressure values of atmospheric pressure intensity sensor 11, the power that frequency conversion fan 13 starts 50 watts is controlled by controller 1, according to 50 watts of power that frequency conversion fan 13 starts, it is 30% that controller 1 controls the ratio that gas ratio valve 12 opens, reach air like this to mix with the optimal proportion of combustion gas, make mixed combustion gas Thorough combustion in combustion heat exchanger 14, when the atmospheric pressure intensity values detected is 80Kpa, determine that height above sea level is 2000 meters, according to the feedback pressure values of atmospheric pressure intensity sensor 11, the power that frequency conversion fan 13 starts 60 watts is controlled by controller 1, according to 60 watts of power that frequency conversion fan 13 starts, it is 40% that controller 1 controls the ratio that gas ratio valve 12 opens, and reaches air like this and mixes with the optimal proportion of combustion gas, makes after mixing at combustion gas Thorough combustion in combustion heat exchanger 14.
To kindle a fire as minimum requirements and normal combustion or setting reach Thorough combustion in the combustion chamber of mixed combustion gas in combustion heat exchanger 14, be determined by the data imported in advance.
Claims (1)
1. the combustion heating control method of energy saving and environment friendly water heater for heating, it is characterized in that implementation step is as follows: first import by the chip of controller (1) the atmospheric pressure data controlling blower fan (13) starting power, the operating power data of blower fan (13) and control gas ratio valve (12) open ratio data, when the ignition electrode (15) by controller (1) control combustion heat exchanger (14) is lighted a fire, open gas ratio valve (12) simultaneously, controller (1) also controls the atmospheric pressure intensity values that atmospheric pressure intensity sensor (11) detects external environment condition simultaneously, determine height above sea level, controlled the starting power of blower fan (13) again by controller (1) according to the feedback pressure values of atmospheric pressure intensity sensor (11), according to the starting power of blower fan (13), determine the rotating speed of blower fan (13), by the air inflow of the rotating speed determination air of blower fan (13), by the air inflow determination oxygen feeding amount of air, the minimum requirements that can kindle a fire in the combustion chamber of combustion heat exchanger (14) after reaching air and combustion gas mixing normal combustion or reach Thorough combustion requirement.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105674572A (en) * | 2016-01-05 | 2016-06-15 | 威能(无锡)供热设备有限公司 | Gas water heating equipment provided with self-adaptive fan |
| CN106015074A (en) * | 2016-06-29 | 2016-10-12 | 佛山市顺德区奇林电气有限公司 | Method and device for controlling start-up power of draught fan |
| CN107575412A (en) * | 2017-09-04 | 2018-01-12 | 珠海格力电器股份有限公司 | Blower control method, controller of fan and wall-hung boiler |
| CN108019954A (en) * | 2017-06-21 | 2018-05-11 | 宁波方太厨具有限公司 | A kind of control method of gas heater |
| CN109297195A (en) * | 2017-07-25 | 2019-02-01 | 青岛经济技术开发区海尔热水器有限公司 | The control method and gas heater of gas heater |
| CN110081610A (en) * | 2019-04-04 | 2019-08-02 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
| CN110108040A (en) * | 2019-04-04 | 2019-08-09 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
| CN110131901A (en) * | 2019-04-12 | 2019-08-16 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
| CN111594869A (en) * | 2020-06-15 | 2020-08-28 | 珠海格力电器股份有限公司 | Gas water heater control method, device and system and gas water heater |
| CN112146284A (en) * | 2019-06-28 | 2020-12-29 | 青岛海尔智能技术研发有限公司 | Control method and device for water heater system and water heater system |
| CN112524813A (en) * | 2020-11-30 | 2021-03-19 | 芜湖美的厨卫电器制造有限公司 | Control method of gas appliance, and readable storage medium |
| CN112797620A (en) * | 2020-12-18 | 2021-05-14 | 重庆海尔热水器有限公司 | Gas heating water heater and control method thereof |
| CN114383181A (en) * | 2021-12-09 | 2022-04-22 | 中氢新能技术有限公司 | Methanol flameless combustion warm air system |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674572A (en) * | 2016-01-05 | 2016-06-15 | 威能(无锡)供热设备有限公司 | Gas water heating equipment provided with self-adaptive fan |
| CN106015074A (en) * | 2016-06-29 | 2016-10-12 | 佛山市顺德区奇林电气有限公司 | Method and device for controlling start-up power of draught fan |
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| CN110108040A (en) * | 2019-04-04 | 2019-08-09 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
| CN110081610A (en) * | 2019-04-04 | 2019-08-02 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
| CN110131901A (en) * | 2019-04-12 | 2019-08-16 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
| CN112146284A (en) * | 2019-06-28 | 2020-12-29 | 青岛海尔智能技术研发有限公司 | Control method and device for water heater system and water heater system |
| CN112146284B (en) * | 2019-06-28 | 2022-03-04 | 青岛海尔智能技术研发有限公司 | Control method and device for water heater system and water heater system |
| CN111594869A (en) * | 2020-06-15 | 2020-08-28 | 珠海格力电器股份有限公司 | Gas water heater control method, device and system and gas water heater |
| CN112524813A (en) * | 2020-11-30 | 2021-03-19 | 芜湖美的厨卫电器制造有限公司 | Control method of gas appliance, and readable storage medium |
| CN112797620A (en) * | 2020-12-18 | 2021-05-14 | 重庆海尔热水器有限公司 | Gas heating water heater and control method thereof |
| CN114383181A (en) * | 2021-12-09 | 2022-04-22 | 中氢新能技术有限公司 | Methanol flameless combustion warm air system |
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Address after: 528300 two to four floor, 61 Wen Hua Road, Ronggui, Shunde District, Foshan, Guangdong. Applicant after: Guangdong Shunde Qilin electric Limited by Share Ltd Address before: 528300 two to four floor, 61 Wen Hua Road, Ronggui, Shunde District, Foshan, Guangdong. Applicant before: Foshan Shunde District Qilin Electric Co.,Ltd. |
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Application publication date: 20151125 |