CN108645019A - A kind of double gas combustion apparatus and gas heater - Google Patents
A kind of double gas combustion apparatus and gas heater Download PDFInfo
- Publication number
- CN108645019A CN108645019A CN201810951490.1A CN201810951490A CN108645019A CN 108645019 A CN108645019 A CN 108645019A CN 201810951490 A CN201810951490 A CN 201810951490A CN 108645019 A CN108645019 A CN 108645019A
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- Prior art keywords
- gas
- combustion apparatus
- gas combustion
- double
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/38—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water contained in separate elements, e.g. radiator-type element
-
- 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control For Baths (AREA)
Abstract
The present invention provides a kind of double gas combustion apparatus and gas heaters, are related to gas heater field.Double gas combustion apparatus include the first gas combustion apparatus, the second gas combustion apparatus and master controller；Double gas combustion apparatus proposed by the invention and gas heater, it is simple in structure, it is easily fabricated, by designing two sets independent combustion systems, supplying hot water may be implemented and heating is carried out at the same time, it can also isolated operation according to client's needs, realize individual heating and independent heat supply water, when being carried out at the same time for the supplying hot water that warms up, the use demand of user can be reached, improve the experience sense of user by；Meanwhile it can effectively reduce energy consumption using two sets of independent systems.
Description
Technical field
The present invention relates to gas heater fields, in particular to a kind of double gas combustion apparatus and gas heater.
Background technology
Existing universal gas heater can only realize bathing function, can not solve the problems, such as heating, when people need simultaneously
It is in cold winter by it, people also need to purchase corresponding heating dress for heating when the use demand of heating and supplying hot water
It sets, such as air-conditioning and furnace；Few device can realize bathing function and heating demand in water heater product instantly, but
When needing two kinds of function parallelizations to realize simultaneously, Heating Load and go out hot water thermic load and be extremely difficult to user demand, if only
It is simple increase water heater power, user is difficult accurately to be adjusted in use, and body is used to reduce user
It tests and unnecessary energy consumption will be caused；Therefore, it is necessary to design a kind of hot water apparatus, can be realized simultaneously supplying hot water and
Heating, and in two kinds of functions simultaneously in use, the use demand of user can be met.
Invention content
It is easy to use with simple in structure the purpose of the present invention is to provide a kind of double gas combustion apparatus, and can be simultaneously
The characteristics of meeting user demand for warm supplying hot water.
It is easy to use with simple in structure another object of the present invention is to provide a kind of gas heater, and can
The characteristics of meeting user demand for the supplying hot water that warms up simultaneously.
The present invention provides a kind of technical solution：
A kind of double gas combustion apparatus are applied to gas heater, including the first gas combustion apparatus, the second gas combustion apparatus and main control
Device；
First gas combustion apparatus include the first burner, the first combustion chamber, First Heat Exchanger, the first gas inlet pipe and
First inlet pipeline and water flow sensor, second gas combustion apparatus include the second burner, the second combustion chamber, the second heat exchange
Device, water circulating pump, the second gas inlet pipe, circulating water line and the second inlet pipeline, the First Heat Exchanger are set to described
In first combustion chamber, second heat exchanger is set in second combustion chamber, and first burner is fired with described first
Gas air inlet pipe connects, and second burner connect with second gas inlet pipe, first inlet pipeline and described the
One heat exchanger connects, and the circulating water line is connect with second heat exchanger, second inlet pipeline and the recirculated water
Pipeline connection, for supplementing water to the circulating water line, first inlet pipeline and second inlet pipeline are in parallel, institute
It states the first gas inlet pipe and second gas inlet pipe is in parallel, the water flow sensor is electrically connected with the master controller
It connects.
Further, in preferred embodiments of the present invention, double gas combustion apparatus further include wind turbine, the wind turbine setting
There are the first air-supply passage and the second air-supply passage, first air-supply passage to connect first burner, first air-supply
Channel is used to provide burning air to first burner, and second air-supply passage is used to provide to second burner
Burn air.
Further, in preferred embodiments of the present invention, second inlet pipeline is provided with shut-off valve.
Further, in preferred embodiments of the present invention, first gas combustion apparatus includes downtake pipe, and described
One exhaust pipe and first combustion chamber, second gas combustion apparatus includes second exhaust pipe, the second exhaust pipe with
Second combustion chamber, the second exhaust pipe are set in the downtake pipe.
Further, in preferred embodiments of the present invention, first gas combustion apparatus includes downtake pipe, and described
One exhaust pipe and first combustion chamber, second gas combustion apparatus includes second exhaust pipe, the second exhaust pipe with
Second combustion chamber, the downtake pipe are set in the second exhaust pipe.
Further, in preferred embodiments of the present invention, first inlet pipeline is provided with water flow sensor, institute
Water flow sensor is stated to be electrically connected with the master controller.
Further, in preferred embodiments of the present invention, the circulating water line is provided with relief valve, the relief valve
For discharging generated high pressure in the circulating water line.
Further, in preferred embodiments of the present invention, first gas inlet pipe is provided with the first solenoid valve, institute
State the first solenoid valve and master controller electrical connection.
Further, in preferred embodiments of the present invention, second gas inlet pipe is provided with second solenoid valve, institute
State second solenoid valve and master controller electrical connection.
A kind of gas heater, including a kind of above-mentioned double gas combustion apparatus, double gas combustion apparatus are filled including the first combustion gas
It sets, the second gas combustion apparatus and master controller；
First gas combustion apparatus include the first burner, the first combustion chamber, First Heat Exchanger, the first gas inlet pipe and
First inlet pipeline and water flow sensor, second gas combustion apparatus include the second burner, the second combustion chamber, the second heat exchange
Device, water circulating pump, the second gas inlet pipe, circulating water line and the second inlet pipeline, the First Heat Exchanger are set to described
In first combustion chamber, second heat exchanger is set in second combustion chamber, and first burner is fired with described first
Gas air inlet pipe connects, and second burner connect with second gas inlet pipe, first inlet pipeline and described the
One heat exchanger connects, and the circulating water line is connect with second heat exchanger, second inlet pipeline and the recirculated water
Pipeline connection, for supplementing water to the circulating water line, first inlet pipeline and second inlet pipeline are in parallel, institute
It states the first gas inlet pipe and second gas inlet pipe is in parallel, the water flow sensor is electrically connected with the master controller
It connects.
Compared with prior art, the advantageous effect of a kind of double gas combustion apparatus and gas heater provided by the invention is：
Double gas combustion apparatus proposed by the invention and gas heater, it is simple in structure, it is easily fabricated, by designing two sets solely
Vertical combustion system, may be implemented supplying hot water and heating is carried out at the same time, according to client need can also isolated operation, that is, realize only
It is vertical to reach the use demand of user when being carried out at the same time for the supplying hot water that warms up for the independent heat supply water that warms up, improve user
Experience sense by；Meanwhile it can effectively reduce energy consumption using two sets of independent systems.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of double gas combustion apparatus provided by the invention；
Fig. 2 is the pressure-relief valve structure schematic diagram of double gas combustion apparatus provided by the invention；
Fig. 3 is the first exhaust duct and the second exhaust duct parallel connection schematic diagram of double gas combustion apparatus provided by the invention；
Fig. 4 is the blower fan structure schematic diagram of double gas combustion apparatus provided by the invention；
Icon：The first gas combustion apparatus of 10-；The second gas combustion apparatus of 20-；The first burners of 101-；The first combustion chambers 102-；
103- First Heat Exchangers；The first gas inlet pipes of 104-；The first inlet pipelines of 105-；106- water flow sensors；201- second
Burner；The second combustion chambers 202-；The second heat exchangers of 203-；204- water circulating pumps；The second gas inlet pipes of 205-；206- is recycled
Water lines；The second inlet pipelines of 207-；30- shut-off valves；40- downtake pipes；50- second exhaust pipes；60- wind turbines；601-
One air-supply passage；The second air-supply passages of 602-；70- relief valves.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Term "upper", "lower",
The orientation or positional relationship of the instructions such as "inner", "outside", "left", "right" be based on the orientation or positional relationship shown in the drawings, or
The invention product using when the orientation or positional relationship usually the put or orientation that usually understands of those skilled in the art
Or position relationship, it is merely for convenience of description of the present invention and simplification of the description, does not indicate or imply the indicated equipment or element
It must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.Term
" first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.Term " comprising ", " packet
Containing " or any other variant thereof is intended to cover non-exclusive inclusion, so that process, side including a series of elements
Method, article or equipment include not only those elements, but also include other elements that are not explicitly listed, or further include
For elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence " including one
It is a ... " limit element, it is not excluded that there is also in addition in the process, method, article or apparatus that includes the element
Identical element.
It should also be noted that, unless otherwise clearly defined and limited, the terms such as " setting ", " connection " should do broad sense reason
Solution, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection；Can be mechanical connection,
It can also be electrical connection；Can be directly connected to, can also be indirectly connected with by intermediary, can be inside two elements
Connection.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood as the case may be
Body meaning.
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail.
Specific embodiment：
A kind of double gas combustion apparatus are present embodiments provided, gas heater is applied to, as shown in Figure 1, including the first combustion gas
Device 10, the second gas combustion apparatus 20, master controller, wind turbine 60 and relief valve 70, as shown in Figure 2.
First gas combustion apparatus 10 includes the first burner 101, the first combustion chamber 102, First Heat Exchanger 103, the first combustion gas
Air inlet pipe 104, the first inlet pipeline 105, water flow sensor 106 and downtake pipe 40, First Heat Exchanger 103 are set to
In one combustion chamber 102, the first burner 101 is connect with the first gas inlet pipe 104, the heat exchange of the first inlet pipeline 105 and first
Device 103 connects, and downtake pipe 40 is connected to the first combustion chamber 102, and the first inlet pipeline 105 is provided with water flow sensor
106, water flow sensor 106 is electrically connected with master controller；First gas inlet pipe 104 is provided with the first solenoid valve, and described
One solenoid valve and master controller electrical connection.
Second gas combustion apparatus 20 includes the second burner 201, the second combustion chamber 202, the second heat exchanger 203, water circulating pump
204, the second gas inlet pipe 205, circulating water line 206, the second inlet pipeline 207 and second exhaust pipe 50, described second changes
Hot device 203 is set in second combustion chamber 202, and second burner 201 connects with second gas inlet pipe 205
It connects, the circulating water line 206 is connect with second heat exchanger 203, second inlet pipeline 207 and the circulating water pipe
Road 206 is connected to, for supplementing water to the circulating water line 206；Second inlet pipeline 207 is provided with shut-off valve 30；Described
Two exhaust pipes 50 are connected to second combustion chamber 202；Circulating water line 206 is provided with relief valve 70, and the relief valve 70 is used
In generated high pressure in the release circulating water line 206.Second gas inlet pipe 205 is provided with second solenoid valve, described
Second solenoid valve and master controller electrical connection.
First inlet pipeline 105 and second inlet pipeline 207 are in parallel, first gas inlet pipe 104 and described
Second gas inlet pipe 205 is in parallel.
Second exhaust pipe 50 is set in the downtake pipe 40.
It should be noted that second exhaust pipe 50 involved by the present embodiment in downtake pipe 40 installation site not
It is fixed, it can be that second exhaust pipe 50 is set in downtake pipe 40, can also be that downtake pipe 40 is set to second row
In tracheae 50；Also, between downtake pipe 40 and second exhaust pipe 50 is not necessarily inclusion relation, can also be first
It connects between exhaust pipe 40 and second exhaust pipe 50, as shown in figure 3, the exhaust gas in the first combustion chamber 102, passes sequentially through first row
Tracheae 40 and second exhaust pipe 50 are discharged.
As shown in figure 4, wind turbine 60 is provided with the first air-supply passage 601 and the second air-supply passage 602, first air-supply is logical
Road 601 connects first burner 101, and first air-supply passage 601 is used to provide burning to first burner 101
Air, second air-supply passage 602 are used to provide burning air to second burner 201.It should be noted that this reality
It is 60 system of single wind turbine to apply double gas combustion apparatus involved by example, can realize two burners by the way that two exhaust outlets are arranged
Air feed simultaneously, effectively reduces the volume of whole device, to reduce device, realizes that lightweight provides advantage；But it removes
Can also be 60 system of two fans except this, i.e., a burner corresponds to a wind turbine 60, as shown in Figure 1, may be implemented in this way
60 independent air feed of single wind turbine does not influence the use of another set of system when a wind turbine 60 damages.
Present embodiments provide a kind of gas heater, including a kind of above-mentioned double gas combustion apparatus.
The supplying hot water operation principle of the present invention is briefly described below：
When user opens water valve, water flow sensing unit detects water-flow signal, and water-flow signal is input to master controller, main
After controller judges that flow of inlet water is more than and starts water flow, start wind turbine 60 and carry out preceding cleaning, and control the first burner 101 into
Row igniting, then the first solenoid valve is opened, combustion gas is lighted combustion gas under the action of electric spark into the first burner 101 and is fired
It burns, combustion product gases heat the hot water to be added in First Heat Exchanger 103, meet user demand.
The heating operation principle of the present invention is briefly described below：
After system starts, after system pressure is normal, water circulating pump 204 starts, and pushes in circulating water line 206
Heating medium water flowing, and then main controller starts wind turbine 60 and carries out preceding cleaning, and controls the second burner 201 and light a fire,
Second solenoid valve is opened again, and combustion gas enters the second burner 201, and lighting combustion gas under the action of electric spark burns, and heats
Medium is dispersed into air or is radiated by radiator, achievees the purpose that heating；After the heating temperature for reaching setting, stop working
Into standby mode.It recycles repeatedly.
In summary：
Double gas combustion apparatus provided in an embodiment of the present invention, including the first gas combustion apparatus 10, the second gas combustion apparatus 20 and master control
Device processed；First gas combustion apparatus 10 includes the first burner 101, the first combustion chamber 102, First Heat Exchanger 103, the first combustion gas
Air inlet pipe 104 and the first inlet pipeline 105 and water flow sensor 106, second gas combustion apparatus 20 include the second burner
201, the second combustion chamber 202, the second heat exchanger 203, water circulating pump 204, the second gas inlet pipe 205,206 and of circulating water line
Second inlet pipeline 207, the First Heat Exchanger 103 are set in first combustion chamber 102, second heat exchanger 203
It being set in second combustion chamber 202, first burner 101 is connect with first gas inlet pipe 104, and described
Two burners 201 are connect with second gas inlet pipe 205, first inlet pipeline 105 and the First Heat Exchanger 103
Connection, the circulating water line 206 are connect with second heat exchanger 203, second inlet pipeline 207 and the recirculated water
Pipeline 206 is connected to, for supplementing water, first inlet pipeline 105 and second water inlet pipe to the circulating water line 206
Road 207 is in parallel, and first gas inlet pipe 104 and second gas inlet pipe 205 are in parallel, the water flow sensor
106 are electrically connected with the master controller.Double gas combustion apparatus proposed by the invention and gas heater, it is simple in structure, it is easy to make
It makes, by designing two sets of independent combustion systems, supplying hot water may be implemented and heating is carried out at the same time, being needed according to client can also
Individual heating and independent heat supply water are realized in isolated operation, when being carried out at the same time for the supplying hot water that warms up, can reach making for user
With demand, improve the experience sense of user by；Meanwhile it can effectively reduce energy consumption using two sets of independent systems.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, in the absence of conflict, the feature in the above embodiments can be combined with each other, and the present invention can also have respectively
Kind change and variation.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all wrap
Containing within protection scope of the present invention.Also, it should regard embodiment as exemplary, and be non-limiting, this hair
Bright range is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are included within the present invention.Any reference numeral in claim should not be considered as involved by limitation
And claim.
Claims (10)
1. a kind of double gas combustion apparatus, which is characterized in that including the first gas combustion apparatus, the second gas combustion apparatus and master controller；
First gas combustion apparatus includes the first burner, the first combustion chamber, First Heat Exchanger, the first gas inlet pipe and first
Inlet pipeline and water flow sensor, second gas combustion apparatus include the second burner, the second combustion chamber, the second heat exchanger,
Water circulating pump, the second gas inlet pipe, circulating water line and the second inlet pipeline, the First Heat Exchanger are set to described first
In combustion chamber, second heat exchanger is set in second combustion chamber, first burner and first combustion gas into
Tracheae connects, and second burner is connect with second gas inlet pipe, and first inlet pipeline is changed with described first
Hot device connection, the circulating water line are connect with second heat exchanger, second inlet pipeline and the circulating water line
Connection, for supplementing water to the circulating water line, first inlet pipeline and second inlet pipeline are in parallel, and described the
One gas inlet pipe and second gas inlet pipe are in parallel, and the water flow sensor is electrically connected with the master controller.
2. double gas combustion apparatus according to claim 1, which is characterized in that double gas combustion apparatus further include wind turbine, described
Wind turbine is provided with the first air-supply passage and the second air-supply passage, and first air-supply passage connects first burner, described
First air-supply passage is used to provide burning air to first burner, and second air-supply passage is used for second combustion
Burner provides burning air.
3. double gas combustion apparatus according to claim 1, which is characterized in that second inlet pipeline is provided with shut-off valve.
4. double gas combustion apparatus according to claim 1, which is characterized in that first gas combustion apparatus includes first exhaust
Pipe, the downtake pipe and first combustion chamber, second gas combustion apparatus includes second exhaust pipe, and described second
Exhaust pipe and second combustion chamber, the second exhaust pipe are set in the downtake pipe.
5. double gas combustion apparatus according to claim 1, which is characterized in that first gas combustion apparatus includes first exhaust
Pipe, the downtake pipe and first combustion chamber, second gas combustion apparatus includes second exhaust pipe, and described second
Exhaust pipe and second combustion chamber, the downtake pipe are set in the second exhaust pipe.
6. double gas combustion apparatus according to claim 1, which is characterized in that first inlet pipeline is provided with water flow biography
Sensor, the water flow sensor are electrically connected with the master controller.
7. double gas combustion apparatus according to claim 1, which is characterized in that the circulating water line is provided with relief valve, institute
Relief valve is stated for discharging generated high pressure in the circulating water line.
8. double gas combustion apparatus according to claim 1, which is characterized in that first gas inlet pipe is provided with the first electricity
Magnet valve, first solenoid valve and master controller electrical connection.
9. double gas combustion apparatus according to claim 8, which is characterized in that second gas inlet pipe is provided with the second electricity
Magnet valve, the second solenoid valve and master controller electrical connection.
10. a kind of gas heater, it is characterised in that：The gas heater includes such as claim 1-9 any one of them
Double gas combustion apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951490.1A CN108645019A (en) | 2018-08-17 | 2018-08-17 | A kind of double gas combustion apparatus and gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951490.1A CN108645019A (en) | 2018-08-17 | 2018-08-17 | A kind of double gas combustion apparatus and gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108645019A true CN108645019A (en) | 2018-10-12 |
Family
ID=63760944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810951490.1A Pending CN108645019A (en) | 2018-08-17 | 2018-08-17 | A kind of double gas combustion apparatus and gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108645019A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539542A (en) * | 2018-10-22 | 2019-03-29 | 广东万家乐燃气具有限公司 | A kind of dual system gas heater |
| CN111664571A (en) * | 2020-06-19 | 2020-09-15 | 海信(广东)厨卫系统有限公司 | Gas water heater and control method thereof |
| CN114811947A (en) * | 2022-04-08 | 2022-07-29 | 广东万和新电气股份有限公司 | Control method of gas water heater and gas water heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6017656A (en) * | 1983-07-11 | 1985-01-29 | Ebara Corp | Waste heat retrieving device |
| CN104180425A (en) * | 2014-07-30 | 2014-12-03 | 成都前锋电子有限责任公司 | Household dual-energy high-power central heater |
| CN208751017U (en) * | 2018-08-17 | 2019-04-16 | 广东万家乐燃气具有限公司 | A kind of double gas combustion apparatus and gas heater |
-
2018
- 2018-08-17 CN CN201810951490.1A patent/CN108645019A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6017656A (en) * | 1983-07-11 | 1985-01-29 | Ebara Corp | Waste heat retrieving device |
| CN104180425A (en) * | 2014-07-30 | 2014-12-03 | 成都前锋电子有限责任公司 | Household dual-energy high-power central heater |
| CN208751017U (en) * | 2018-08-17 | 2019-04-16 | 广东万家乐燃气具有限公司 | A kind of double gas combustion apparatus and gas heater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539542A (en) * | 2018-10-22 | 2019-03-29 | 广东万家乐燃气具有限公司 | A kind of dual system gas heater |
| CN111664571A (en) * | 2020-06-19 | 2020-09-15 | 海信(广东)厨卫系统有限公司 | Gas water heater and control method thereof |
| CN114811947A (en) * | 2022-04-08 | 2022-07-29 | 广东万和新电气股份有限公司 | Control method of gas water heater and gas water heater |
| CN114811947B (en) * | 2022-04-08 | 2024-04-12 | 广东万和新电气股份有限公司 | Control method of gas water heater and gas water heater |
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