CN108980888A - Gas heating equipment and control method thereof - Google Patents
Gas heating equipment and control method thereof Download PDFInfo
- Publication number
- CN108980888A CN108980888A CN201810728660.XA CN201810728660A CN108980888A CN 108980888 A CN108980888 A CN 108980888A CN 201810728660 A CN201810728660 A CN 201810728660A CN 108980888 A CN108980888 A CN 108980888A
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- Prior art keywords
- pressure
- aperture
- gas
- equipment
- discharge flue
- Prior art date
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims description 66
- 230000001105 regulatory effect Effects 0.000 claims description 30
- 239000000567 combustion gas Substances 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 239000008236 heating water Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 10
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 230000000505 pernicious effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/04—Measuring pressure
- F23N2225/06—Measuring pressure for determining flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2239/00—Fuels
- F23N2239/04—Gaseous fuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a gas heating device and a control method thereof. The control method comprises the following steps: when the gas heating equipment is in a working state, the gas inlet flow of the gas inlet channel is adjusted by combining the pressure in the smoke exhaust channel. According to the control method of the gas heating equipment, the gas inlet flow of the gas inlet channel is adjusted by combining the pressure in the smoke exhaust channel, so that complete combustion of gas can be guaranteed, further, when the smoke exhaust channel is blocked to a certain degree, the equipment is closed when the pressure in the smoke exhaust channel is continuously reduced to the minimum pressure value, the condition of false alarm of the equipment can be effectively avoided, and the use comfort of a user is improved.
Description
Technical field
The present invention relates to gas-fired equipment technical field, especially a kind of gas heating equipment and its control method.
Background technique
The advantages that gas heatings such as gas heater, gas-heating water heater equipment takes heat convenient, energy saving due to it
It is more and more widely used in people's lives, the gas inlet flow of existing equipment is only heating temperature as needed
Come what is be adjusted, the incomplete combustion of combustion gas will cause when the smoke exhaust pipe of gas heating equipment blocks in this way, be easy
Pernicious gas is discharged.
In addition, the safety in utilization in order to guarantee gas heating equipment is needed in the smoke evacuation blockage of gas heating equipment
Control gas heating equipment downtime.Existing control method is, using blast switch or wind pressure sensor detection blower fan mouth by
The pressure change that Venturi tube detects, to judge whether smoke exhaust pipe blocks, when blast switch movement or wind pressure sensor inspection
Equipment is closed in control when the pressure measured is in preset pressure value.It finds in use, this control method is held very much
Failure is easily caused to judge by accident, to influence the normal use of equipment.
Summary of the invention
In view of this, one of the objects of the present invention is to provide one kind can guarantee that the complete gas heating of fuel gas buring is set
Standby control method and gas heating equipment.
In order to achieve the above objectives, on the one hand, the present invention adopts the following technical scheme:
A kind of control method of gas heating equipment, the equipment include discharge flue and gas inlet channel, the control
Method processed includes:
When the gas heating equipment is in running order, in conjunction with the pressure in the discharge flue to the combustion gas into
The charge flow rate in gas channel is adjusted.
Preferably, packet is adjusted in conjunction with charge flow rate of the pressure in the discharge flue to the gas inlet channel
It includes:
It is logical to control the gas inlet for the flow rate upper limit that the charge flow rate is determined according to the pressure in the discharge flue
The charge flow rate in road is no more than the flow rate upper limit.
Preferably, it is provided with the regulating valve for adjusting the charge flow rate in the gas inlet channel, passes through control
The charge flow rate is adjusted in the aperture of the regulating valve；
Different pressure ranges corresponds to the different aperture upper limits, according to belonging to the current pressure in the discharge flue
Pressure range obtains its corresponding aperture upper limit, judges whether the current aperture of the regulating valve is greater than the corresponding aperture upper limit,
If so, by the current aperture regulation of the regulating valve to the corresponding aperture upper limit, otherwise maintain current aperture constant.
Preferably, the different pressure range has minimal pressure force value,
When the pressure in the discharge flue is equal to or less than the minimal pressure force value, controls the equipment and close；Or
Person,
Pressure in the discharge flue is equal to or the aperture of equal to minimal pressure force value when corresponding regulating valve is pre-
Determine aperture, when judging the aperture of the regulating valve for predetermined aperture, controls the equipment and close.
Preferably, the minimal pressure force value is 40 to 60Pa；And/or
The predetermined aperture is 80% to 90%.
Preferably, the regulating valve is adjusted by controlling applied signal voltage or the current input signal of the regulating valve
Duty ratio, and then adjust the aperture of the regulating valve, the different aperture upper limits correspond to different applied signal voltage value or
Current input signal value.
Preferably, the equipment further include air flow drive device for driving the air-flow in the discharge flue to flow and
The combustion component that heat supply is carried out for combustion gas starts the air flow drive device after the device power-up first, and
The current pressure in the discharge flue is detected, if current pressure is equal to or less than the minimal pressure force value, or according to current
When the aperture upper limit for the regulating valve that pressure obtains is predetermined aperture, does not start the combustion component, otherwise start the combustion section
Part.
On the other hand, the present invention adopts the following technical scheme:
A kind of gas heating equipment, the equipment include:
Combustion component, for combustion gas to carry out heat supply；
Discharge flue, for discharging fume；
Gas inlet channel, for supplying combustion gas to the combustion component；
Flow regulator, for adjusting the charge flow rate in the gas inlet channel；
Pressure-detecting device, for detecting the pressure in the discharge flue；
Control device, for according to the target heating temperature of the gas heating equipment and pressure-detecting device detection
Pressure the flow regulator is controlled.
Preferably, the equipment further includes the air flow drive device for driving the air-flow in the discharge flue to flow,
The control device is also used to control the air flow drive device and the combustion according to the pressure that the pressure-detecting device detects
Burn the opening and closing of component.
Preferably, the gas heating equipment includes gas heater or gas-heating water heater.
The utility model has the advantages that
It is logical to gas inlet in conjunction with the pressure in discharge flue in the control method of gas heating equipment provided by the invention
The charge flow rate in road is adjusted, so as to guarantee that fuel gas buring is complete, further, when discharge flue blocking to certain journey
Degree effectively can avoid equipment from occurring so that the pressure in discharge flue continues again to close equipment when being reduced to minimal pressure force value
The case where false alarm, improves the usage comfort of user.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows the wind pressure signal P of the application specific embodiment offer and the corresponding relationship of the applied signal voltage U upper limit
Figure.
Fig. 2 shows the control method flow charts for the gas heating equipment that the application specific embodiment provides.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.In order to
It avoids confusion essence of the invention, there is no narrations in detail for well known method, process, process, element.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
The incomplete combustion that will cause combustion gas when blocking for the smoke exhaust pipe of existing gas heating equipment, is easily drained
The problem of pernicious gas, this application provides a kind of control methods of gas heating equipment, wherein gas heating equipment includes combustion
Component, the blast tube for the discharge flue of smoke evacuation and for supplying combustion gas to combustion component are burnt, is provided in discharge flue
Pressure-detecting device, for detecting the pressure in discharge flue (wind pressure i.e. in discharge flue), to reflect discharge flue
Chocking-up degree, gas inlet are provided with flow regulator in channel, the charge flow rate to regulating gas inlet channel.Control
Method are as follows:
Air inlet when gas heating equipment is in running order, in conjunction with the pressure in discharge flue to gas inlet channel
Flow is adjusted.
It so, it is possible to guarantee so that the exhaust gas volumn that the charge flow rate in gas inlet channel is discharged with discharge flue matches
Combustion gas can burn completely, to avoid the discharge rate of pernicious gas.
It is adjusted here in connection with charge flow rate of the pressure in discharge flue to gas inlet channel including in needs pair
When the heating temperature of gas heating equipment is adjusted, according to the pressure in target temperature and discharge flue to gas inlet channel
Charge flow rate be adjusted, and gas heating equipment carry out heated at constant temperature when, according to the pressure in discharge flue to combustion gas
The charge flow rate of inlet channel is adjusted.
Above-mentioned control process can be completed by the control device of gas heating equipment, that is, control device is according to pressure detecting
The pressure versus flow quantity regulating device of device detection is controlled, and is adjusted with the charge flow rate to gas inlet channel.
Specifically, the flow rate upper limit of charge flow rate is determined according to the pressure in discharge flue, that is, in the pressure condition
Under, to guarantee that the full combustion of combustion gas, the attainable maximum value of charge flow rate institute control the charge flow rate in gas inlet channel
No more than the flow rate upper limit, that is, if current charge flow rate is less than or equal to flow rate upper limit, maintain the flow rate upper limit constant, if
Current charge flow rate is higher than flow rate upper limit, then present flow rate is down to flow rate upper limit.
Further, flow regulator is regulating valve, which is preferably electromagnetic proportional valve, by controlling to adjust valve
Aperture can be realized the adjusting to charge flow rate, the control method is further specifically, different pressure ranges corresponds to not
The same aperture upper limit obtains in a discharge flue when gas heating equipment is in running order at interval of scheduled duration
Current pressure or when monitoring that the pressure in discharge flue changes, according to belonging to the current pressure in discharge flue
Pressure range obtains its corresponding aperture upper limit, judges whether the current aperture of regulating valve is greater than the corresponding aperture upper limit, if so,
Then by the current aperture regulation of regulating valve to the corresponding aperture upper limit, otherwise maintain current aperture constant.
It further, is adjusted by the applied signal voltage or current input signal of control and regulation valve under normal conditions
The duty ratio of regulating valve, and then the aperture of regulating valve is adjusted, therefore, it can establish different pressure ranges and believe from different inputs
The database of number upper voltage limit, obtains its corresponding input signal according to pressure range belonging to the current pressure in discharge flue
Upper voltage limit, or also can establish different pressure range and the database of the different current input signal upper limits.
Aiming at the problem that existing gas heating equipment is easy to appear failure erroneous judgement, it has been found that this is because, existing
The corresponding wind pressure close value of unit be fixed, while unit safety when value must satisfy full load is closed, therefore should
It is worth bigger, unit is easy to carry out in the process of running accidentally protection, in addition, when smoke exhaust pipe lengthens or the devices such as pressure switch make
After a period of time, it will lead to pressure deviation or pressure detecting deviate, be very easy to cause fault misdescription and make in this way
At accidentally protection.Based on this, in the application, different pressure ranges has minimal pressure force value, that is to say, that when in discharge flue
When pressure is higher than with minimal pressure force value, charge flow rate is adjusted according to above-mentioned method, and when the pressure in discharge flue
When power is equal to or less than have minimal pressure force value, illustrating discharge flue, blockage ratio is more serious, controls close equipment at this time,
Alternatively, it is predetermined aperture that the pressure in discharge flue, which is equal to or less than the aperture with the corresponding regulating valve of minimal pressure force value, when
When judging the aperture of regulating valve for predetermined aperture, control equipment is closed.That is, first being turned down when pressure reduction degree is smaller
The operation of charge flow rate to guarantee burning completely, and is closed when pressure reduction degree is larger, then by equipment, can be had in this way
Effect avoids being shut off equipment at pressure reduction initial stage, improves the usage comfort of user.
Wherein, minimal pressure force value is 40 to 60Pa, further preferably 50Pa, and predetermined aperture is 80% to 90%, into one
Step preferably 85%.
In a specific embodiment, the corresponding relationship such as following table institute of different pressure ranges and input signal pressure value
Show, and referring to Fig.1.
In this way, control equipment shutdown is protected when the pressure detected is located in the range of above-mentioned serial number 1, work as inspection
When the pressure measured is fallen in the range of other, then judge whether applied signal voltage is higher than the corresponding voltage provided in list,
If so, applied signal voltage is down to the corresponding voltage in list, otherwise maintenance voltage is constant.Specifically, as shown in Fig. 2,
When the pressure in discharge flue changes, database is inquired, the pressure range according to belonging to current pressure obtains its correspondence
The applied signal voltage upper limit, current input signal voltage is compared with the applied signal voltage upper limit and according to comparison result
The adjusting for carrying out applied signal voltage, judges whether applied signal voltage adjusted is U00, if so, being judged as equipment event
Barrier, equipment is closed, and is otherwise controlled unit and is operated normally, it is, of course, understood that if obtained corresponding input signal electricity
The pressure upper limit is U00When, it can not modify to applied signal voltage, but directly be judged as equipment fault and close equipment.
Further, gas heating equipment further includes the air stream drives dress for driving the air-flow in discharge flue to flow
It sets, after device power-up, starts air flow drive device first, and detect the current pressure in discharge flue, if current pressure etc.
In or be lower than minimal pressure force value above-mentioned, or the aperture upper limit of regulating valve that is obtained according to current pressure be predetermined aperture i.e. pair
The input signal pressure answered is U00When, do not start combustion component, but directly carry out shutdown protection and alarm, otherwise normally
Start combustion component, control gas heating equipment works normally.In this way, combustion component is not when discharge flue blocking is more serious
It can open, to extend the service life of combustion component.Control to the opening and closing of air flow drive device and combustion component
System is also realized by control device.
Gas heating equipment provided by the present application can utilize fuel gas buring for gas heater, gas-heating water heater etc.
The equipment for carrying out heat supply.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from of the invention basic
In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made
It changes, is all included in scope of the presently claimed invention.
Claims (10)
1. a kind of control method of gas heating equipment, which is characterized in that the equipment includes that discharge flue and gas inlet are logical
Road, the control method include:
It is logical to the gas inlet in conjunction with the pressure in the discharge flue when the gas heating equipment is in running order
The charge flow rate in road is adjusted.
2. control method according to claim 1, which is characterized in that in conjunction with the pressure in the discharge flue to the combustion
The charge flow rate of gas inlet channel, which is adjusted, includes:
The flow rate upper limit that the charge flow rate is determined according to the pressure in the discharge flue controls the gas inlet channel
Charge flow rate is no more than the flow rate upper limit.
3. control method according to claim 1, which is characterized in that be provided in the gas inlet channel for adjusting
The charge flow rate is adjusted in the regulating valve of the charge flow rate, the aperture by controlling the regulating valve；
Different pressure ranges corresponds to the different aperture upper limits, according to pressure belonging to the current pressure in the discharge flue
Section obtains its corresponding aperture upper limit, judges whether the current aperture of the regulating valve is greater than the corresponding aperture upper limit, if so,
Then by the current aperture regulation of the regulating valve to the corresponding aperture upper limit, otherwise maintain current aperture constant.
4. control method according to claim 3, which is characterized in that the different pressure range has minimum pressure
Value,
When the pressure in the discharge flue is equal to or less than the minimal pressure force value, controls the equipment and close；Alternatively,
The aperture of pressure in the discharge flue corresponding regulating valve when being equal to or less than the minimal pressure force value is opened to be predetermined
Degree controls the equipment and closes when judging the aperture of the regulating valve for predetermined aperture.
5. control method according to claim 4, which is characterized in that the minimal pressure force value is 40 to 60Pa；And/or
The predetermined aperture is 80% to 90%.
6. control method according to one of claims 3 to 5, which is characterized in that by the input for controlling the regulating valve
Signal voltage or current input signal adjust the duty ratio of the regulating valve, and then adjust the aperture of the regulating valve, different
The aperture upper limit correspond to different applied signal voltage value or current input signal value.
7. control method according to claim 4 or 5, which is characterized in that the equipment further includes for driving the row
The air flow drive device of air-flow flowing in cigarette channel and the combustion component that heat supply is carried out for combustion gas, in the equipment
After booting, start the air flow drive device first, and detect the current pressure in the discharge flue, if current pressure is equal to
Or it is lower than the minimal pressure force value, or when the aperture upper limit of regulating valve that obtains according to current pressure is predetermined aperture, do not open
The combustion component is moved, the combustion component is otherwise started.
8. a kind of gas heating equipment, which is characterized in that the equipment includes:
Combustion component, for combustion gas to carry out heat supply；
Discharge flue, for discharging fume；
Gas inlet channel, for supplying combustion gas to the combustion component；
Flow regulator, for adjusting the charge flow rate in the gas inlet channel；
Pressure-detecting device, for detecting the pressure in the discharge flue；
Control device, for the pressure according to the target heating temperature of the gas heating equipment and pressure-detecting device detection
Power controls the flow regulator.
9. gas heating equipment according to claim 8, which is characterized in that the equipment further includes for driving the row
The air flow drive device of air-flow flowing in cigarette channel, what the control device was also used to be detected according to the pressure-detecting device
Pressure controls the opening and closing of the air flow drive device and the combustion component.
10. gas heating equipment according to claim 8 or claim 9, which is characterized in that the gas heating equipment includes combustion gas
Water heater or gas-heating water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728660.XA CN108980888B (en) | 2018-07-05 | 2018-07-05 | Gas heating equipment and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728660.XA CN108980888B (en) | 2018-07-05 | 2018-07-05 | Gas heating equipment and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108980888A true CN108980888A (en) | 2018-12-11 |
| CN108980888B CN108980888B (en) | 2020-03-27 |
Family
ID=64536999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810728660.XA Active CN108980888B (en) | 2018-07-05 | 2018-07-05 | Gas heating equipment and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980888B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397214A (en) * | 2019-01-03 | 2020-07-10 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN113701354A (en) * | 2021-08-11 | 2021-11-26 | 广东万和新电气股份有限公司 | Gas water heater and control method and device thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188972A (en) * | 1978-08-31 | 1980-02-19 | Honeywell Inc. | Gas valve assembly |
| CA1138299A (en) * | 1978-08-22 | 1982-12-28 | Jan H. Van Der Zee | Gas valve assembly |
| CN1847731A (en) * | 2005-04-14 | 2006-10-18 | 依玛公司 | Electronic device and method for controlling combustion waste gas discharge especially in boiler |
| CN102080878A (en) * | 2009-11-27 | 2011-06-01 | 海尔集团公司 | Fan control method and device of gas equipment |
| CN105465822A (en) * | 2015-12-09 | 2016-04-06 | 深圳粤通新能源环保技术有限公司 | Boiler automatic control system and method |
| CN106524219A (en) * | 2016-12-19 | 2017-03-22 | 大连圣鼎工业装备有限公司 | Environment-friendly automatic control low-index emission gas boiler unit |
| CN106765064A (en) * | 2017-01-09 | 2017-05-31 | 泉州恒兴能源节能技术有限公司 | A kind of reduction pollutant discharge of flame heating furnace |
| CN206904977U (en) * | 2017-06-06 | 2018-01-19 | 佛山市顺德区奇林电气有限公司 | The combustion gas of regulation stability of flow and precision passes through adjusting means |
-
2018
- 2018-07-05 CN CN201810728660.XA patent/CN108980888B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1138299A (en) * | 1978-08-22 | 1982-12-28 | Jan H. Van Der Zee | Gas valve assembly |
| US4188972A (en) * | 1978-08-31 | 1980-02-19 | Honeywell Inc. | Gas valve assembly |
| CN1847731A (en) * | 2005-04-14 | 2006-10-18 | 依玛公司 | Electronic device and method for controlling combustion waste gas discharge especially in boiler |
| CN102080878A (en) * | 2009-11-27 | 2011-06-01 | 海尔集团公司 | Fan control method and device of gas equipment |
| CN105465822A (en) * | 2015-12-09 | 2016-04-06 | 深圳粤通新能源环保技术有限公司 | Boiler automatic control system and method |
| CN106524219A (en) * | 2016-12-19 | 2017-03-22 | 大连圣鼎工业装备有限公司 | Environment-friendly automatic control low-index emission gas boiler unit |
| CN106765064A (en) * | 2017-01-09 | 2017-05-31 | 泉州恒兴能源节能技术有限公司 | A kind of reduction pollutant discharge of flame heating furnace |
| CN206904977U (en) * | 2017-06-06 | 2018-01-19 | 佛山市顺德区奇林电气有限公司 | The combustion gas of regulation stability of flow and precision passes through adjusting means |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397214A (en) * | 2019-01-03 | 2020-07-10 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN113701354A (en) * | 2021-08-11 | 2021-11-26 | 广东万和新电气股份有限公司 | Gas water heater and control method and device thereof |
| CN113701354B (en) * | 2021-08-11 | 2023-02-21 | 广东万和新电气股份有限公司 | Gas water heater and control method and device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108980888B (en) | 2020-03-27 |
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