CN112146279A - Control method of self-adaptive air source full-premix gas water heater and gas water heater thereof - Google Patents
Control method of self-adaptive air source full-premix gas water heater and gas water heater thereof Download PDFInfo
- Publication number
- CN112146279A CN112146279A CN201910575337.8A CN201910575337A CN112146279A CN 112146279 A CN112146279 A CN 112146279A CN 201910575337 A CN201910575337 A CN 201910575337A CN 112146279 A CN112146279 A CN 112146279A
- Authority
- CN
- China
- Prior art keywords
- concentration
- gas
- water heater
- current
- standard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 149
- 239000002912 waste gas Substances 0.000 claims abstract description 29
- 239000000779 smoke Substances 0.000 claims abstract description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 55
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 48
- 229910052760 oxygen Inorganic materials 0.000 claims description 48
- 239000001301 oxygen Substances 0.000 claims description 48
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 43
- 238000001514 detection method Methods 0.000 claims description 25
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 17
- 239000010812 mixed waste Substances 0.000 abstract description 4
- 239000002737 fuel gas Substances 0.000 description 9
- 239000000446 fuel Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/005—Regulating fuel supply using electrical or electromechanical means
Abstract
The invention discloses a control method of a self-adaptive air source full-premix gas water heater, which comprises the following steps: starting a gas water heater, and collecting the current concentration of waste gas in real time; and adjusting the air source of the gas water heater according to the relation between the current waste gas concentration and the preset standard waste gas concentration until the current waste gas concentration is the same as the preset standard waste gas concentration. The invention also discloses a gas water heater. According to the invention, the current waste gas concentration of the gas water heater in the working state is collected, and the gas source of the gas water heater is adjusted according to the relation between the current waste gas concentration and the preset standard waste gas concentration until the current waste gas concentration is the same as the preset standard waste gas concentration, so that the gas source flow can be timely adjusted when the concentration of the mixed waste gas of air and gas is changed, the gas can be kept fully combusted at any time, the good combustion condition is ensured, the heat efficiency is improved, and the problem of harmful smoke emission is avoided.
Description
Technical Field
The invention belongs to the technical field of gas source judgment and control of gas water heaters, and particularly relates to a control method of a self-adaptive gas source full-premix gas water heater and the gas water heater.
Background
In the existing gas water heating device, the device can be divided into a full premix burner type and a partial premix burner type according to the combustion mode of gas, particularly different mixing ratios of air and gas. Wherein, the full premix has the following characteristics:
the air and the fuel gas are fully mixed according to the chemical equivalent ratio before combustion, and then ignition combustion is carried out, so that the fuel gas burner has many advantages, such as full combustion of the fuel gas, high volumetric heat intensity, high heat efficiency, low harmful emission index and the like; however, when the gas composition changes, the air-fuel ratio of the gas combustion changes, and the gas combustion becomes abnormal. Because the mixture of air and gas can not be burnt in the optimum state, the original full premix burning has the defects of poor burning conditions such as reduced heat efficiency, abnormal combustion sound, increased harmful smoke emission and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a control method of an adaptive air source fully-premixed gas water heater and the gas water heater.
The invention also aims to provide a gas water heater using the control method.
The technical scheme of the invention is realized as follows: a control method of a self-adaptive air source full-premix gas water heater is characterized in that the gas water heater is started, and the current exhaust gas concentration is collected in real time; and adjusting the air source of the gas water heater according to the relation between the current waste gas concentration and the preset standard waste gas concentration until the current waste gas concentration is the same as the preset standard waste gas concentration.
Preferably, the current exhaust gas concentration is collected, specifically, the current exhaust gas concentration is collected through a smoke detection assembly.
Preferably, the exhaust gas concentration includes a current carbon monoxide exhaust gas concentration and an excess oxygen exhaust gas concentration.
Preferably, the preset standard exhaust gas concentration includes a standard concentration of carbon monoxide and a standard concentration of excess oxygen.
Preferably, the air source of the gas water heater is adjusted according to the relationship between the current exhaust gas concentration and the preset standard exhaust gas concentration until the current exhaust gas concentration is the same as the preset standard exhaust gas concentration, specifically,
if the current carbon monoxide concentration is greater than the preset carbon monoxide standard concentration and the excess oxygen concentration is less than the preset excess oxygen standard concentration, reducing the flow of the gas source until the carbon monoxide concentration and the excess oxygen meet the standard concentration requirement;
if the current carbon monoxide concentration is less than the preset carbon monoxide standard concentration and the excess oxygen concentration is greater than the preset excess oxygen standard concentration, increasing the flow of the gas source until the carbon monoxide concentration and the excess oxygen meet the standard concentration requirement;
and if the current carbon monoxide concentration and the excess oxygen concentration are unchanged, keeping the flow of the air source unchanged.
Preferably, the air source of the gas water heater is adjusted, specifically, the opening degree of the gas proportional valve is adjusted.
The other technical scheme of the invention is realized as follows: the utility model provides a full premix gas heater of self-adaptation air supply, includes combustor, heat exchanger, gas proportional valve, flue gas detection subassembly, detects and control module, the input port of combustor passes through the pipeline and is connected with the hybrid piping, the delivery outlet of combustor passes through the pipeline and is connected with heat exchanger, the gas proportional valve sets up on the hybrid piping, flue gas detection subassembly sets up on the pipeline of heat exchanger export, gas proportional valve, flue gas detection subassembly all are connected with detection and control module.
Preferably, the mixing device further comprises a direct current fan and a driven impeller, wherein the direct current fan and the driven impeller are arranged on a pipeline connecting an input port of the combustor and the mixing pipeline, and the direct current fan is located between the combustor and the driven impeller.
Preferably, the mixing pipeline comprises a gas pipeline and an air pipeline, and the gas proportional valve is arranged on the gas pipeline.
Preferably, the water inlet end of the heat exchanger is provided with a water regulating valve, the water outlet end of the heat exchanger is provided with a water temperature sensor, and the water regulating valve and the water temperature sensor are both connected with the detection and control module.
Compared with the prior art, the method has the advantages that,
according to the invention, the current waste gas concentration of the gas water heater in the working state is collected, and the gas source of the gas water heater is adjusted according to the relation between the current waste gas concentration and the preset standard waste gas concentration until the current waste gas concentration is the same as the preset standard waste gas concentration, so that the gas source flow can be timely adjusted when the concentration of the mixed waste gas of air and gas is changed, the gas can be kept fully combusted at any time, the good combustion condition is ensured, the heat efficiency is improved, and the problem of harmful smoke emission is avoided.
Drawings
Fig. 1 is a flowchart of a control method of an adaptive air source fully premixed gas water heater according to embodiment 1 of the present invention;
fig. 2 is a simplified diagram of an adaptive air source fully premixed gas water heater provided in embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 invention and are not intended to limit the invention.
Example 1
The control method for the self-adaptive air source fully-premixed gas water heater provided by the embodiment 1 of the invention is a flow chart of the method, as shown in fig. 1, and the method specifically comprises the following steps:
starting a gas water heater, and collecting the current concentration of waste gas in real time; and adjusting the air source of the gas water heater according to the relation between the current waste gas concentration and the preset standard waste gas concentration until the current waste gas concentration is the same as the preset standard waste gas concentration.
Further, gather current exhaust gas concentration, specifically, gather current exhaust gas concentration through flue gas detection subassembly.
Further, the exhaust gas concentration includes a current carbon monoxide exhaust gas concentration and an excess oxygen exhaust gas concentration.
Further, the preset standard exhaust gas concentration includes a standard concentration of carbon monoxide and a standard concentration of excess oxygen.
Further, according to the relationship between the current exhaust gas concentration and the preset standard exhaust gas concentration, the air source of the gas water heater is adjusted until the current exhaust gas concentration is the same as the preset standard exhaust gas concentration, specifically,
1) if the current carbon monoxide concentration is greater than the preset carbon monoxide standard concentration and the excess oxygen concentration is less than the preset excess oxygen standard concentration, reducing the flow of the gas source until the carbon monoxide concentration and the excess oxygen meet the standard concentration requirement;
2) if the current carbon monoxide concentration is less than the preset carbon monoxide standard concentration and the excess oxygen concentration is greater than the preset excess oxygen standard concentration, increasing the flow of the gas source until the carbon monoxide concentration and the excess oxygen meet the standard concentration requirement;
3) and if the current carbon monoxide concentration and the excess oxygen concentration are unchanged, keeping the flow of the air source unchanged.
Further, the air source of the gas water heater is adjusted, specifically, the opening of the gas proportional valve is adjusted.
The working principle of the control method of the self-adaptive air source fully-premixed gas water heater provided by the embodiment 1 of the invention is as follows: according to the characteristics of full-premixed combustion, air and gas are fully mixed according to a chemical equivalent ratio before combustion, and then ignition combustion is carried out, so that the combustion is relatively full; if the smoke detection assembly collects that the concentration of carbon monoxide in the current gas is greater than the preset standard concentration of carbon monoxide and the concentration of excess oxygen is less than the preset standard concentration of excess oxygen (equivalent to insufficient combustion of the gas), determining that the smoke exceeds the standard, and automatically turning down the gas proportional valve until the concentration of carbon monoxide and the concentration of excess oxygen meet the standard concentration requirement (equivalent to changing the air-fuel ratio to enable the gas to be fully combusted); if the smoke detection assembly collects that the concentration of carbon monoxide in the current fuel gas is smaller than the preset standard concentration of carbon monoxide and the concentration of excess oxygen is larger than the preset standard concentration of excess oxygen (equivalent to full combustion of the fuel gas), determining that the excess oxygen exceeds the standard, and automatically increasing the proportional valve until the concentration of carbon monoxide and the concentration of excess oxygen meet the standard concentration requirement; if the current carbon monoxide concentration and the excess oxygen concentration collected by the smoke detection assembly are unchanged, keeping the flow of the gas source unchanged; in addition, after the gas source is changed, in order to ensure that the adjusting range of the direct current motor is not changed, the water proportional valve 9 is adjusted at the moment, so that the outlet water temperature reaches the requirement of a user.
The control method comprises the following operation steps:
step S1: preparation of
Firstly, taking natural gas as a reference, configuring an air-fuel ratio according to a combustion reaction formula (the following formula), and taking the excess oxygen alpha as 5%;
CH4+2O2＝CO2+2H2O+ΔH
second, suppose the thermal load interval of the gas water heater is [ QL, QH]The regulation interval corresponding to the DC fan is [ PL1, PH1 ]](ii) a The regulating interval of the gas proportional valve 3 is [ PL2, PH2 ]]The regulating range of the water regulating valve 9 is [0, q ]max]；
Setting an initial value: taking an initial value Q0∈[QL，QH]At this time, P1 is corresponded0∈[PL1，PH1]，P20∈[PL2，PH2]，q0∈[0，qmax]The temperature of the outlet water is T0
Step S2, initialization
Electrifying the gas water heater, electrifying the gas water heater for self-detection, and detecting whether each part of components normally work or not through a controller;
secondly, the data prepared in the step S1 are loaded, and the set data are initialized to the hardware until the water heater runs stably.
Step S3, detecting, collecting data and operating
Collecting flue gas data (mainly carbon monoxide, oxygen and temperature), and collecting P1, P2, q and T; (T is a user setting)
Judging the change and adjustment of a gas source:
1) p1, P2, q and T are unchanged, when the smoke detection assembly acquires that the concentration of carbon monoxide in the current fuel gas is greater than the preset standard concentration of carbon monoxide (carbon monoxide rises), the concentration of excess oxygen is less than the preset standard concentration of excess oxygen (oxygen decreases), the gas source is changed, and the oxygen is insufficient, the opening of the fuel gas proportional valve is reduced until the concentration of carbon monoxide meets the standard (GB6932-2015) and the concentration of excess oxygen meets alpha and is 5%, and then the water regulating valve is regulated until the requirement is met; then entering the third step;
2) p1, P2, q and T are unchanged, when the smoke detection assembly acquires that the concentration of carbon monoxide in the current fuel gas is smaller than the preset standard concentration of carbon monoxide (carbon monoxide is reduced), the concentration of excess oxygen is larger than the preset standard concentration of excess oxygen (oxygen is increased), the gas source is changed, and the oxygen is excessive, the opening degree of the fuel gas proportional valve is increased until the concentration of carbon monoxide meets the standard (GB6932-2015) and the concentration of excess oxygen meets alpha and is 5%, and then the water regulating valve is regulated until the requirement is met; then entering the third step;
3) if P1, P2, q, T, CO and oxygen alpha are not changed, going to the third stage.
Thirdly, according to the requirements of users, when the users adjust q, adjusting a fan P1 until the outlet water temperature meets the requirements of the users;
and fourthly, when the user adjusts the T, adjusting the fan P1 until the user requirements are met.
After adopting above-mentioned scheme, through gathering current exhaust gas concentration under to gas heater operating condition, according to the relation between current exhaust gas concentration and the predetermined standard exhaust gas concentration, adjust until current exhaust gas concentration is the same with predetermined standard exhaust gas concentration to gas heater's air supply, effectual realized when the concentration of air and gas mixed waste gas changes, can in time adjust the air supply flow, make the gas keep abundant burning constantly, so that guaranteed the good situation of burning, the problem of harmful flue gas emission has been improved and avoided to the thermal efficiency.
Example 2
An embodiment 2 of the present invention provides a gas water heater, as shown in fig. 2, including a burner 1, a heat exchanger 2, a gas proportional valve 3, a flue gas detection assembly 4, and a detection and control module 5, an input port of the burner 1 is connected to a mixing pipeline 6 through a pipeline, an output port of the burner 1 is connected to the heat exchanger 2 through a pipeline, the gas proportional valve 3 is disposed on the mixing pipeline 6, the flue gas detection assembly 4 is disposed on the pipeline at the outlet of the heat exchanger 2, and both the gas proportional valve 3 and the flue gas detection assembly 4 are connected to the detection and control module 5.
Further, the combustor comprises a direct current fan 7 and a driven impeller 8, wherein the direct current fan 7 and the driven impeller 8 are arranged on a pipeline connecting an input port of the combustor 1 and the mixing pipeline 6, and the direct current fan 7 is positioned between the combustor 1 and the driven impeller 8.
Further, the mixing pipe 6 comprises a gas pipe 61 and an air pipe 62, and the gas proportional valve 3 is arranged on the gas pipe 61.
The water inlet end of the heat exchanger 2 is provided with a water regulating valve 9, the water outlet end is provided with a water temperature sensor, and the water regulating valve 9 and the water temperature sensor are both connected with the detection and control module 5.
By using the gas water heater of the control method, the gas source flow can be adjusted in time when the concentration of the mixed waste gas of the air and the gas changes, so that the gas can be kept fully combusted at any time, the good condition of combustion is ensured, the heat efficiency is improved, and the problem of harmful smoke emission is avoided.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A control method of a self-adaptive air source full-premix gas water heater is characterized by comprising the following steps:
starting a gas water heater, and collecting the current concentration of waste gas in real time; and adjusting the air source of the gas water heater according to the relation between the current waste gas concentration and the preset standard waste gas concentration until the current waste gas concentration is the same as the preset standard waste gas concentration.
2. The method for controlling the adaptive air source fully premixed gas water heater according to claim 1, wherein the current exhaust gas concentration is collected, specifically, the current exhaust gas concentration is collected through a smoke detection assembly.
3. The method of claim 2, wherein the exhaust gas concentrations include a current carbon monoxide exhaust gas concentration and an excess oxygen exhaust gas concentration.
4. The method as claimed in claim 3, wherein the predetermined standard exhaust gas concentrations include standard carbon monoxide concentration and standard excess oxygen concentration.
5. The control method of the adaptive air supply fully premixed gas water heater according to any one of claims 1 to 4, wherein the air supply of the gas water heater is adjusted according to the relationship between the current exhaust gas concentration and the preset standard exhaust gas concentration until the current exhaust gas concentration is the same as the preset standard exhaust gas concentration, specifically,
if the current carbon monoxide concentration is greater than the preset carbon monoxide standard concentration and the excess oxygen concentration is less than the preset excess oxygen standard concentration, reducing the flow of the gas source until the carbon monoxide concentration and the excess oxygen meet the standard concentration requirement;
if the current carbon monoxide concentration is less than the preset carbon monoxide standard concentration and the excess oxygen concentration is greater than the preset excess oxygen standard concentration, increasing the flow of the gas source until the carbon monoxide concentration and the excess oxygen meet the standard concentration requirement;
and if the current carbon monoxide concentration and the excess oxygen concentration are unchanged, keeping the flow of the air source unchanged.
6. The control method of the adaptive air supply fully premixed gas water heater according to any one of claims 1 to 5, wherein the air supply of the gas water heater is adjusted, specifically, the opening degree of a gas proportional valve is adjusted.
7. The utility model provides a full premix gas heater of self-adaptation air supply, its characterized in that, includes combustor (1), heat exchanger (2), gas proportional valve (3), flue gas detection subassembly (4), detects and control module (5), the input port of combustor (1) passes through the pipeline and is connected with hybrid pipeline (6), the delivery outlet of combustor (1) passes through the pipeline and is connected with heat exchanger (2), gas proportional valve (3) set up on hybrid pipeline (6), flue gas detection subassembly (4) set up on the pipeline of heat exchanger (2) export, gas proportional valve (3), flue gas detection subassembly (4) all are connected with detection and control module (5).
8. The self-adaptive air source full-premix gas water heater as claimed in claim 7, further comprising a direct current fan (7) and a passive impeller (8), wherein the direct current fan (7) and the passive impeller (8) are arranged on a pipeline connecting the input port of the burner and the mixing pipeline (6), and the direct current fan (7) is located between the burner (1) and the passive impeller (8).
9. An adaptive air supply fully premixed gas water heater according to claim 8, characterized in that said mixing pipe (6) comprises a gas pipe (61) and an air pipe (62), said gas proportional valve (3) being arranged on the gas pipe (61).
10. The adaptive air source fully premixed gas water heater according to any one of claims 7-9, wherein a water regulating valve (9) is provided at the water inlet end of the heat exchanger (2), a water temperature sensor is provided at the water outlet end, and the water regulating valve (9) and the water temperature sensor are both connected with the detection and control module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575337.8A CN112146279A (en) | 2019-06-28 | 2019-06-28 | Control method of self-adaptive air source full-premix gas water heater and gas water heater thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575337.8A CN112146279A (en) | 2019-06-28 | 2019-06-28 | Control method of self-adaptive air source full-premix gas water heater and gas water heater thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112146279A true CN112146279A (en) | 2020-12-29 |
Family
ID=73869300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910575337.8A Pending CN112146279A (en) | 2019-06-28 | 2019-06-28 | Control method of self-adaptive air source full-premix gas water heater and gas water heater thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112146279A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264956A (en) * | 2022-07-20 | 2022-11-01 | 广东万家乐燃气具有限公司 | Control method of gas water heating equipment, gas water heating equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002484A (en) * | 1988-03-25 | 1991-03-26 | Shell Western E&P Inc. | Method and system for flue gas recirculation |
| CN201787734U (en) * | 2010-05-17 | 2011-04-06 | 康佳集团股份有限公司 | Pre-warning gas water heater |
| CN203757989U (en) * | 2014-01-24 | 2014-08-06 | 海尔集团公司 | Novel gas water heater |
| CN104296392A (en) * | 2014-10-17 | 2015-01-21 | 广东万和新电气股份有限公司 | Gas water heating device capable of realizing self-adaptive fully-premixed combustion |
| CN105042862A (en) * | 2015-08-22 | 2015-11-11 | 黎素云 | Closed loop combustion heating control method and system for gas appliance |
| CN207963132U (en) * | 2018-03-26 | 2018-10-12 | 梁学义 | A kind of environment-friendly type wall-hung boiler |
-
2019
- 2019-06-28 CN CN201910575337.8A patent/CN112146279A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002484A (en) * | 1988-03-25 | 1991-03-26 | Shell Western E&P Inc. | Method and system for flue gas recirculation |
| CN201787734U (en) * | 2010-05-17 | 2011-04-06 | 康佳集团股份有限公司 | Pre-warning gas water heater |
| CN203757989U (en) * | 2014-01-24 | 2014-08-06 | 海尔集团公司 | Novel gas water heater |
| CN104296392A (en) * | 2014-10-17 | 2015-01-21 | 广东万和新电气股份有限公司 | Gas water heating device capable of realizing self-adaptive fully-premixed combustion |
| CN105042862A (en) * | 2015-08-22 | 2015-11-11 | 黎素云 | Closed loop combustion heating control method and system for gas appliance |
| CN207963132U (en) * | 2018-03-26 | 2018-10-12 | 梁学义 | A kind of environment-friendly type wall-hung boiler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264956A (en) * | 2022-07-20 | 2022-11-01 | 广东万家乐燃气具有限公司 | Control method of gas water heating equipment, gas water heating equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210320689U (en) | Gas water heater | |
| CN105091348A (en) | Control method and control device for combustion heating of energy-saving and environment-friendly heating hot-water furnace | |
| CN204880751U (en) | Burning heating closed loop control system of gas utensil | |
| CN111947296B (en) | Control method of full-premix gas water heater | |
| CN110207398B (en) | Control method for self-adaptive full-premix combustion of gas water heater | |
| CN112146279A (en) | Control method of self-adaptive air source full-premix gas water heater and gas water heater thereof | |
| CN210624954U (en) | Full-premixing gas water heater | |
| CN103299129B (en) | The method for controlling of operation of oxygen combustion boiler and device | |
| CN105091347A (en) | Energy-saving environment-friendly combustion heating control device | |
| CN110307643A (en) | A kind of gas heater and its method for controlling combustion | |
| CN2434553Y (en) | Novel gas/air premixing appts. | |
| CN110207362B (en) | Self-adaptive control method for air volume of gas water heater | |
| CN101929548A (en) | Multipurpose automatic air regulating valve | |
| CN111594869A (en) | Gas water heater control method, device and system and gas water heater | |
| CN208170751U (en) | A kind of gas heater | |
| CN210141695U (en) | Gas water heater with gas-saving function | |
| CN111854143A (en) | Gas water heater with gas saving function and gas saving control method | |
| CN110207399B (en) | Self-adaptive full-premix combustion control method | |
| CN111947315A (en) | Fully-premixed gas water heater and control method thereof | |
| CN111947317B (en) | Fully-premixed gas water heater and control method | |
| CN112146281A (en) | Control method of fully-premixed gas water heater and gas water heater thereof | |
| CN110274395B (en) | Control method of self-adaptive full-premix gas water heater and gas water heater | |
| CN110274396B (en) | Control method of full-premix gas water heater and gas water heater | |
| CN105115163A (en) | Combustion heating control system of energy-saving and environment-friendly heating hot water heater | |
| CN112146278B (en) | Control method of full-premix gas water heater and gas water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201229 |