CN109268930A - Hanging stove automatic water supply system and have its hanging stove - Google Patents
Hanging stove automatic water supply system and have its hanging stove Download PDFInfo
- Publication number
- CN109268930A CN109268930A CN201811247023.7A CN201811247023A CN109268930A CN 109268930 A CN109268930 A CN 109268930A CN 201811247023 A CN201811247023 A CN 201811247023A CN 109268930 A CN109268930 A CN 109268930A
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- Prior art keywords
- water
- heating
- wall
- heating circulation
- circulation line
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 238000010438 heat treatment Methods 0.000 claims abstract description 103
- 239000008236 heating water Substances 0.000 claims abstract description 33
- 230000036571 hydration Effects 0.000 claims abstract 5
- 238000006703 hydration reaction Methods 0.000 claims abstract 5
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims 7
- 230000003020 moisturizing effect Effects 0.000 description 28
- 238000001514 detection method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/04—Gas or oil fired boiler
Landscapes
- 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)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
本发明公开了一种壁挂炉自动补水系统及具有其的壁挂炉，壁挂炉自动补水系统包括：具有采暖进水口和采暖出水口的采暖循环管路，与采暖循环管路相连通的循环水泵，具有补水进水口和补水出水口的补水管路，用于检测采暖循环管路水压的水压检测装置，以及安装在补水出水口与采暖循环管路的连接处的切换阀；切换阀根据水压检测装置检测的水压开闭补水管路的补水出水口和采暖循环管路。本发明利用壁挂炉的循环水泵和补水管路共同作用进行增压补水，无需外置循环水泵，而且切换阀根据水压检测装置检测控制补水管路与采暖循环管路的开闭，不会出现增压过小或过大的情况，增压压力可控，保证了机组的良好运行。The invention discloses an automatic water replenishing system for a wall-hung boiler and a wall-hanging furnace therewith. The automatic water replenishing system of the wall-hung boiler comprises: a heating circulation pipeline with a heating water inlet and a heating water outlet, and a circulating water pump connected with the heating circulation pipeline, a water supply pipe having a hydration water inlet and a water supply outlet, a water pressure detecting device for detecting the water pressure of the heating circulation pipeline, and a switching valve installed at a joint of the water supply outlet and the heating circulation pipeline; the switching valve is based on water The water pressure opening and closing water supply line of the pressure detecting device detects the water supply outlet and the heating circulation line of the water supply line. The invention utilizes the circulating water pump and the water supply pipeline of the wall-hung boiler to jointly perform pressurized water supply, and does not need an external circulating water pump, and the switching valve detects and controls the opening and closing of the water supply pipeline and the heating circulation pipeline according to the water pressure detecting device, and does not appear When the supercharging pressure is too small or too large, the supercharging pressure can be controlled to ensure the good operation of the unit.
Description
Technical field
The present invention relates to heating system technical field more particularly to a kind of wall-hung boiler automatic water replenishing system and with its wall
Hang furnace.
Background technique
The hydraulic pressure that the heating water of burnt gas wall hanging furnace needs to reach certain could operate normally, and usually require that hydraulic pressure exists
Between 0.1-0.2MPa, if hydraulic pressure is too low, to avoid dry combustion method, excessive low water level protection will occur in system, and user should carry out moisturizing at this time.
The hydraulic pressure in industry generally using tap water fills the water heating system at present, but since water supply pipe complexity hydraulic pressure is low,
It can not meet moisturizing to the hydraulic demand of 0.1-0.2MPa, moisturizing can not be carried out to unit.To meet moisturizing requirement, user is often
A water circulating pump can be increased on water supply pipe, be pressurized using water circulating pump and carry out moisturizing, but water circulating pump boost pressure
Not easy to control, hydraulic pressure too great Yi makes the damage of components in unit, and unit is caused not to be available, and causes unnecessary economic damage
It loses.
Summary of the invention
The first object of the present invention is to provide a kind of wall-hung boiler automatic water replenishing system, be increased with solving existing water circulating pump
The problem of pressure of pressure is not easy to control, and unit is be easy to cause to damage.
To achieve the above object, technical solution proposed by the present invention is as follows: a kind of wall-hung boiler automatic water replenishing system, comprising:
Heating circulation line with heating water inlet and heating water outlet；The water circulating pump being connected with the heating circulation line,
The water circulating pump is between the heating water inlet and the heating water outlet；With moisturizing water inlet and moisturizing water outlet
Water pipe, the moisturizing water outlet is connected with the heating circulation line, and the moisturizing water outlet and the heating
The junction of circulation line is between heating water inlet and the water circulating pump；For detecting the heating circulation line hydraulic pressure
Device for detecting water pressure；It is mounted on the switching valve of the junction of the moisturizing water outlet and the heating circulation line, it is described to cut
It changes valve and the moisturizing water outlet and the heating circulation line is opened and closed according to the hydraulic pressure that the device for detecting water pressure detects.
The wall-hung boiler automatic water replenishing system provided according to the present invention, it is common using the water circulating pump and water pipe of wall-hung boiler
Effect carries out pressurization moisturizing, is not necessarily to external water circulating pump, and switching valve detects control water pipe according to device for detecting water pressure
It is not in the too small or excessive situation of pressurization, boost pressure is controllable, ensure that the good of unit with the opening and closing of heating circulation line
Good luck row.
In addition, a kind of wall-hung boiler automatic water replenishing system according to the above embodiment of the present invention, can also have following additional
Technical characteristic:
When the hydraulic pressure of an example according to the present invention, the device for detecting water pressure detection is less than or equal to the first preset value,
The switching valve opens the moisturizing water outlet and closes the heating circulation line；The hydraulic pressure of the device for detecting water pressure detection
When more than or equal to the second preset value, the switching valve closes the moisturizing water outlet and opens the heating circulation line.
An example according to the present invention, further includes heating heat exchanger；The heating circulation line and the water pipe
It is connected respectively by pipeline with the heating heat exchanger.
An example according to the present invention, the heating circulation line are connected with the first pipeline and the second pipeline；Described
One pipeline one end is connected with the heating circulation line, and the two connectivity part be located at the heating water inlet and water circulating pump it
Between, the first pipe other end is connected with the heating heat exchanger；Second pipeline one end and the heating circulation line
It is connected, and the two connectivity part is between the water circulating pump and the heating water outlet, the other end and the heating heat-exchange
Device is connected.
An example according to the present invention, further includes outlet pipeline, described outlet pipeline one end and the heating heat exchanger
It is connected, the other end is equipped with hot water outlet.
An example according to the present invention is equipped with the first temperature-detecting device on the outlet pipeline.
An example according to the present invention is equipped with water flow amount detecting device on the outlet pipeline.
An example according to the present invention, the device for detecting water pressure are mounted on the water pipe.
An example according to the present invention is equipped with check valve on the water pipe.
An example according to the present invention is equipped with second temperature detection device on the heating circulation line.
An example according to the present invention is equipped with safety temp.-limiting device on the heating circulation line.
An example according to the present invention, the heating circulation line are connected with water tank.
The second object of the present invention is to provide a kind of wall-hung boiler have such as the described in any item walls of above-mentioned technical proposal
Hang furnace automatic water replenishing system.
An example according to the present invention, the wall-hung boiler include furnace body, blower and main heat exchanger, are equipped in the furnace body
Combustion chamber, the main heat exchanger are mounted in the furnace body, the assembling on the furnace body and for be connected furnace body with
Extraneous airflow circulating.
An example according to the present invention, the heating circulation line include the bringing-up section being connected and heat exchanging segment, described
Bringing-up section is placed in the combustion chamber, the heat exchanging segment and the thermally conductive connection of the main heat exchanger.
The advantages of above additional aspect, will be set forth in part in the description, and partially will become from the following description bright
It is aobvious, or practice through the invention recognizes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the wall-hung boiler automatic water replenishing system of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the wall-hung boiler of the embodiment of the present invention two.
In attached drawing, parts list represented by the reference numerals are as follows:
1. blower；2. main heat exchanger；3. expansion tank；4. ignition electrode；5. fire testing needle；6. burner；7. water circulating pump；8.
Regulating valve；9. check valve；10. device for detecting water pressure；11. water flow amount detecting device；12. heating water inlet；13. moisturizing is intake
Mouthful；14. fuel gas inlet；15. moisturizing water outlet；16. heating water outlet；17. the first temperature-detecting device；18. heating heat exchanger；
19. triple valve；20. gas ratio valve；21. second temperature detection device；22. safety temp.-limiting device；23. blast switch；24. first
Pipeline；25. the second pipeline.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment one
In conjunction with shown in attached drawing 1, a kind of wall-hung boiler automatic water replenishing system is present embodiments provided, comprising: heating circulation line,
The components such as water circulating pump 7, water pipe, device for detecting water pressure 10, regulating valve 8.
The heating circulation line of the present embodiment has heating water inlet 12 (can also be referred to as heating water return outlet) and heating
Water outlet 16, the water body entered by heating water inlet 12 are discharged by passing through heating water outlet 16 after a series of heat exchange, and
And turned again at heating water inlet 12 by structures such as circulation line (not shown)s, complete a water circulation, water circulation
Power provided by above-mentioned water circulating pump 7, water circulating pump 7 between heating water inlet 12 and heating water outlet 16, and
It is arranged close to heating water inlet 12.Heat exchanging process about heating circulation line can be described in the following embodiments, and
Specific fit system about water circulating pump 7 and heating circulation line belongs to the conventional known common sense of those skilled in the art, because
This present embodiment is not described above-mentioned two aspect.
The water pipe of the present embodiment has moisturizing water inlet 13 and moisturizing water outlet 15, and moisturizing water outlet 15 is followed with heating
Endless tube road is connected, and moisturizing water outlet 15 and heating circulation line most of the time are in normal open state, and moisturizing water outlet 15
So, work as heating circulation line between heating water inlet 12 and water circulating pump 7 in junction with heating circulation line
When not running, the water body in water pipe can be driven to carry out pressurized treatment to heating circulation line by water circulating pump 7.
Since moisturizing water outlet 15 and heating circulation line most of the time are in normal open state, the water of the present embodiment
Pressure detection device 10 may be mounted on water pipe, and device for detecting water pressure 10 is used to detect heating circulation line hydraulic pressure, and will
Heating circulation line hydraulic pressure is sent to the control system of wall-hung boiler in real time, and control system may include the control circuits such as PLC, control
System carries out data processing and comparison, and the movement of following switching valves is driven according to processing and comparison result, and about wall-hung boiler
The data receiver of control system, processing and to send the processes such as instruction be also technology more mature in the prior art, therefore this
Embodiment is not specifically described its specific work process or circuit structure etc..
The switching valve of the present embodiment is mounted on the junction of moisturizing water outlet 15 Yu heating circulation line, and switching valve is threeway
Valve 19, the hydraulic pressure opening and closing moisturizing water outlet 15 and heating circulation line detected according to device for detecting water pressure 10, the tool of switching valve
Body process is as follows:
When the hydraulic pressure that device for detecting water pressure 10 detects is less than or equal to the first preset value (such as 0.1MPa), control system is sentenced
Surely it needs to carry out heating circulation line ftercompction, and then drives switching valve to open moisturizing water outlet 15 and close heating circulation pipe
Road can so promote the water body in water pipe by water circulating pump 7, water body is introduced into adopting of being in close state
In warm circulation line, ftercompction is carried out to heating circulation line.
When the hydraulic pressure that device for detecting water pressure 10 detects is more than or equal to the second preset value (such as 0.2MPa), control system is sentenced
System is determined without ftercompction, and then drives switching valve to close moisturizing water outlet 15, and open heating circulation line, heating circulation line
Restore to work normally.
As can be seen from the above description, the wall-hung boiler automatic water replenishing system of the present embodiment utilizes 7 He of water circulating pump of wall-hung boiler
Water pipe collective effect carries out pressurization moisturizing, is not necessarily to external water circulating pump 7, and switching valve is examined according to device for detecting water pressure 10
The opening and closing of observing and controlling water pipe and heating circulation line is not in the too small or excessive situation of pressurization, and boost pressure is controllable,
It ensure that the good operation of unit.
On the basis of above structure, the wall-hung boiler automatic water replenishing system of the present embodiment further includes heating heat exchanger 18 and goes out
Water lines, heating heat exchanger 18 are plate heat exchanger, and heating circulation line and water pipe pass through pipeline and heating heat-exchange respectively
Device 18 is connected, and outlet pipeline one end is connected with heating heat exchanger 18, and the other end is equipped with hot water outlet.Heating heat exchanger 18 is right
It carries out carrying out heat exchange from heating circulation line and the water body of water pipe water body sum in it, and is controlled by above-mentioned control
System processed, temperature needed for the water body in it is adjusted to user, and use is conveyed to as domestic hot-water by outlet pipeline
Family.
In addition, the first temperature-detecting device 17 is installed on the outlet pipeline of the present embodiment, the first temperature-detecting device 17
It can be temperature sensor, guarantee that the temperature of the domestic water of outlet pipeline output reaches preset requirement.And in outlet pipeline
On water flow amount detecting device 11 is installed, water flow amount detecting device 11 is water flow sensor, so that the water of outlet pipeline output
Flow is controllable.
Specifically, heating heat exchanger 18 and the type of attachment of heating circulation line are as follows: heating circulation line is connected with
One pipeline 24 and the second pipeline 25；First pipeline, 24 one end is connected with heating circulation line, and the two connectivity part is located at heating
Between water inlet 12 and water circulating pump 7, the first pipe other end is connected with heating heat exchanger 18；Second pipeline, 25 one end and heating
Circulation line is connected, and is connected particular by triple valve 19, and the two connectivity part is located at water circulating pump 7 and heating water outlet
Between 16, the other end is connected with heating heat exchanger 18.The heating heat exchanger 18 of the structure meets user demand in addition to output
Outside domestic water, additionally it is possible to carry out certain temperature to the water body in heating circulation line and adjust, more save and utilize heat energy
Source.
In addition, the water body reflux of water pipe, the present embodiment are equipped with check valve 9 on water pipe, make in order to prevent
Water lines water body can only one-way flow, water body flows to heating circulation line direction.
In addition, the present embodiment is also equipped with second temperature detection device 21 and heating circulation line on heating circulation line
On safety temp.-limiting device 22 is installed, second temperature detection device 21 can be temperature sensor, and specific installation site is in heating
Circulation line is carried out by wall-hung boiler in the line segments after heat exchange.Second temperature detection device 21 hands over heating circulation line heat
Temperature real-time perfoming after changing detects and feeds back to control system, controls its output temperature convenient for control system, and safety temp.-limiting
Device 22 greatly improves the security performance of heating circulation line.
In addition, in order to guarantee the good water circulation of heating circulation line, the heating circulation line of the present embodiment is connected with water
Case, water tank specifically can be expansion tank 3, to accommodate the breathing amount with water in compensation system.
Embodiment two
A kind of wall-hung boiler is present embodiments provided, there is the wall-hung boiler automatic water replenishing system as described in above-described embodiment.
Specifically, the wall-hung boiler of the present embodiment is burnt gas wall hanging furnace, and wall-hung boiler includes furnace body, blower in conjunction with shown in attached drawing 2
1 and main heat exchanger 2；It is equipped with combustion chamber in furnace body, burner 6 is installed in combustion chamber, burner 6 is equipped with ignition electrode 4 and inspection fire
The components such as needle 5,6 bottom of burner are connected with admission line, and admission line is equipped with fuel gas inlet 14, and sets on admission line
There is gas ratio valve 20.
The main heat exchanger 2 of the present embodiment is mounted in furnace body, and is located at the top of burner 6.The blower 1 of the present embodiment
It is mounted on furnace body, blower 1 is equipped with blast switch 23, and blower 1 is respectively communicated with extraneous and furnace body inner cavity combustion chamber, for being connected
Furnace body and extraneous airflow circulating.
Correspondingly, in order to cooperate above-mentioned wall hanging furnace structure, the heating circulation line of the present embodiment includes being connected
Bringing-up section and heat exchanging segment, bringing-up section are placed in combustion chamber, heat exchanging segment and the thermally conductive connection of main heat exchanger 2.
Specifically, the water circulation path of the heating circulation line of the present embodiment is as follows: being entered by heating water inlet 12
Water body flows into above-mentioned first segment by the water body that heating water inlet 12 and moisturizing water outlet 15 enter jointly first, by burning
Device 6 heats；Heat exchange processing is then carried out by main heat exchanger 2 by second segment；Subsequently, part water body passes through heating water outlet 16
Water outlet carries out water circulation, and another part water body is entered by pipeline and carries out heat exchange processing in heating heat exchanger 18.
And the advantages of wall-hung boiler about the present embodiment, is embodied by the automatic water replenishing system of embodiment one, therefore this reality
Example is applied not repeat its advantages.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "inner", "outside" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Bu Nengli
Solution is limitation of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicit includes one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise
Clear specific restriction.
In the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral etc..For the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (15)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247023.7A CN109268930A (en) | 2018-10-24 | 2018-10-24 | Hanging stove automatic water supply system and have its hanging stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247023.7A CN109268930A (en) | 2018-10-24 | 2018-10-24 | Hanging stove automatic water supply system and have its hanging stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109268930A true CN109268930A (en) | 2019-01-25 |
Family
ID=65193425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811247023.7A Pending CN109268930A (en) | 2018-10-24 | 2018-10-24 | Hanging stove automatic water supply system and have its hanging stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109268930A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306790A (en) * | 2019-12-09 | 2020-06-19 | 珠海格力电器股份有限公司 | Wall-mounted stove |
| CN112484315A (en) * | 2020-12-11 | 2021-03-12 | 万家乐热能科技有限公司 | Zero-cold-water wall-mounted furnace with automatic water replenishing function and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201875806U (en) * | 2010-11-22 | 2011-06-22 | 盛水祥 | Dual-purpose wall-hung furnace for plate-type heat exchanger |
| CN202813573U (en) * | 2012-08-18 | 2013-03-20 | 佛山市顺德区奇林电气有限公司 | Wall-hanging stove water heating system with automatic water replenishing function |
| CN105972814A (en) * | 2016-06-13 | 2016-09-28 | 珠海格力电器股份有限公司 | Gas wall-mounted furnace and water supplementing control method, control device and control system |
| CN209279261U (en) * | 2018-10-24 | 2019-08-20 | 珠海格力电器股份有限公司 | Hanging stove automatic water supply system and have its hanging stove |
-
2018
- 2018-10-24 CN CN201811247023.7A patent/CN109268930A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201875806U (en) * | 2010-11-22 | 2011-06-22 | 盛水祥 | Dual-purpose wall-hung furnace for plate-type heat exchanger |
| CN202813573U (en) * | 2012-08-18 | 2013-03-20 | 佛山市顺德区奇林电气有限公司 | Wall-hanging stove water heating system with automatic water replenishing function |
| CN105972814A (en) * | 2016-06-13 | 2016-09-28 | 珠海格力电器股份有限公司 | Gas wall-mounted furnace and water supplementing control method, control device and control system |
| CN209279261U (en) * | 2018-10-24 | 2019-08-20 | 珠海格力电器股份有限公司 | Hanging stove automatic water supply system and have its hanging stove |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306790A (en) * | 2019-12-09 | 2020-06-19 | 珠海格力电器股份有限公司 | Wall-mounted stove |
| CN112484315A (en) * | 2020-12-11 | 2021-03-12 | 万家乐热能科技有限公司 | Zero-cold-water wall-mounted furnace with automatic water replenishing function and control method thereof |
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Application publication date: 20190125 |