CN207649089U - A kind of double heat source gas-heating water heaters with zero cold water function - Google Patents
A kind of double heat source gas-heating water heaters with zero cold water function Download PDFInfo
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- CN207649089U CN207649089U CN201721205662.8U CN201721205662U CN207649089U CN 207649089 U CN207649089 U CN 207649089U CN 201721205662 U CN201721205662 U CN 201721205662U CN 207649089 U CN207649089 U CN 207649089U
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Abstract
The utility model discloses a kind of double heat source gas-heating water heaters with zero cold water function, including furnace body, master controller, domestic hot-water's cycle preheating system, heating system and heating system；It includes water tank and electric heater that domestic hot-water, which recycles preheating system,；Water tank both ends are connected with hot water outlet pipe and hot water return pipe respectively, and water tank is connected to heating system by heat exchanger hot-water line；The heating system includes heating outlet pipe and heating return pipe；The heating system includes hot-water heating system, smoke extraction chamber and wind turbine；The furnace body surface is equipped with control display, and the control display is connected with master controller.The utility model has the function of zero cold water, so that heating function is not interfere with each other with domestic hot-water's use, the heating system of the water heater for heating and domestic hot-water recycle preheating system individual heating system respectively, it is non-interference, it ensure that the normal use of heating function and heat water supply functions, facility brought for people.
Description
Technical field
The utility model belongs to gas-heating water heater technical field, specifically designs a kind of double heat with zero cold water function
Source gas-heating water heater.
Background technology
Gas-heating water heater has powerful Domestic central heating function, disclosure satisfy that the heating demand in more rooms, respectively
A room can arbitrarily set comfort temperature according to demand, can also determine that heating is individually closed in some room as needed, and
It is capable of providing big flow constant temperature health hot water, is used for places such as Household shower bath, kitchens
Only have gas heater to have the function of zero cold water currently on the market, and gas-heating water heater is then without this function；This
The zero cold water function of being primarily due to gas heater is that the water cooled down in hot-water pipeline system is passed through pipe circle pump weight
The new heating device (gas heating and heat-exchange system) being sent into inside water heater is heated to setting temperature；However existing combustion gas is adopted
Warm water heater in operation principle, domestic hot-water's pattern and heating pattern be interworking (i.e.：Machine is in heating work
When, domestic hot-water will be stopped；When using domestic hot-water, machine heating will be stopped；Domestic hot-water and heating system heat
The heating and heat exchange of water are to share set of device), the two cannot be carried out at the same time work；If at this moment will be in hot-water pipeline system
The water cooled down is re-fed into the heating device (gas heating and heat-exchange system) inside wall-hung boiler by pipe circle pump, into
Row heating when, heating work will stop, heating can not be carried out, in this way the heating work(of heating season in winter machine cannot be smooth
It carries out；It is easy to cause the damage of water heater for heating.
In order to make gas-heating hot water fireplace have the function of zero cold water as gas heater, improving user makes hot water
Comfort, this patent propose a kind of completely new operation principle and frame mode, thoroughly solve on current burnt gas wall hanging furnace
The use defect stated.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is that proposing a kind of double heat sources with zero cold water function
Gas-heating water heater, if the water heater for heating when using heating function once having hot water outflow using domestic hot-water, have
There is zero cold water function so that heating function is not interfere with each other with domestic hot-water's use, the heating system of the water heater for heating and life
Hot water circuit preheating system has individual heating system respectively, non-interference, ensure that heating function and heat water supply functions
Normal use brings facility for people.
To achieve the above object, technical solution used by the utility model is：
A kind of double heat source gas-heating water heaters with zero cold water function, the water heater include furnace body and be located at furnace body
Internal master controller, domestic hot-water's cycle preheating system, heating system and heating system；
It includes water tank and electric heater that the domestic hot-water, which recycles preheating system, and the electric heater includes heating tube
And electric connection, the heating tube are located inside water tank, electric connection is located at outside water tank；The water tank both ends are respectively equipped with
Hot water outlet pipe and hot water return pipe, water storage pot sidewall are equipped with temperature controller and overheat protector, and water tank passes through with heating system
Heat exchanger hot-water line is connected to, and the hot water outlet pipe is equipped with hot water temperature controller, and the hot water return pipe is returned equipped with hot water
Water-circulating pump, return water temperature controller and direct-acting electromagnetic valve；
The heating system includes heating outlet pipe and heating return pipe, the heating outlet pipe and heating return pipe with
Heating system is connected, and the heating outlet pipe is equipped with heating temperature control device, and the heating return pipe is equipped with heating return water ball valve
With heating circulating pump；
The heating system includes hot-water heating system, smoke extraction chamber and wind turbine, and the hot-water heating system includes combustor
And heat exchanger, the heat exchanger are connected with heat exchanger hot-water line, heat exchanger cold water pipe, heating outlet pipe and heating respectively
Return pipe, the heat exchanger cold water pipe are connected with tap water inlet pipe, and the heat exchanger cold water pipe is passed equipped with water flow
Sensor, cold water water intake ball valve and K1 check valves；The burning motor spindle is equipped with gas control valve；
The furnace body surface is equipped with control display, and the control display is connected with master controller.
Further, the hot water return pipe is connected with tap water inlet pipe or passes through return pipe with hot water outlet pipe
It is connected；The hot water return pipe is equipped with return water ball valve, and the return pipe is equipped with K2 check valves；When there is return pipe, hot water
Return pipe is connected with hot water outlet pipe by return pipe, and the hot water in hot water outlet pipe is entered by return pipe and hot water return pipe
In water tank；When being not provided with return pipe, hot water return pipe is connected with tap water inlet pipe, and hot water is directly intake by tap water
Pipe enters in hot water return pipe, finally enters in water tank.
Further, the hot water outlet pipe is equipped with hot water effluent's ball valve, the hot water outlet pipe and household water
Device is connected to；Master switch of hot water effluent's ball valve as domestic water can control the total flow of hot water effluent.
Further, being equipped with the thermal insulation layer for obstructing water tank heat on the outside of the water tank；Thermal insulation layer can play
Certain heat insulation avoids water tank external temperature caused by inside is heated excessively high, reduces the damage to the water heater for heating
It is bad.
Further, the outside of the heating device, smoke extraction chamber and wind turbine is equipped with air chamber, the wind turbine passes through air
Chamber is in communication with the outside.
Further, the heating outlet pipe, which is equipped with heating, is discharged ball valve, the heating return pipe is equipped with heating
Return water ball valve；It is discharged ball valve by heating and heating return water ball valve, the flow that recirculated water can be followed to heating are adjusted, guarantor
Needs.
Further, being equipped with by-pass collar between the heating outlet pipe and heating return pipe；The heating outlet pipe
It is equipped with heating overheat protector and heating temperature control device, the heating return pipe is equipped with heating pressure gauge, the heating pressure
Epitope is between heating circulating pump and heating return water ball valve.
Further, the heating system further includes heating system expansion tank, the heating system expansion tank with adopt
Warm return pipe is connected, and heating system expansion tank is located at heating circulating pump and heating return water ball valve with heating return pipe junction
Between, heating safety valve is equipped between the heating system expansion tank and heating return pipe.
Further, being equipped with water compensating valve between the heat exchanger cold water pipe and heating outlet pipe.
Further, the master controller is connected with water flow sensor, each temperature controller and each valve respectively；It is logical
Water flow sensor, each temperature controller and each valve ensure the water heater to being monitored and controlling inside the water heater
Normal operation, and meet the maximization needs of people.
The utility model has the beneficial effects that：
(1) the utility model increases a heat source, is equipped on water tank on the basis of traditional water heater for heating
Electric heater may make the water cooled in hot water outlet pipe that can return to water tank by return pipe and hot water return pipe
In heated, cold water need not be sent back to again in the heating system of the water heater and be heated, allow heat supply and heating distinguish
Using different heating systems, not only has the function of mist cold water when using domestic hot-water, be not in when ensureing using hot water
The cold water of a period of time, while heat supply and heating system also being allowed separately to be heated, reduce using when domestic water to heating system
Influence, it is non-interference, ensure that the normal of supplying hot water and heating function, many facilities brought for people's daily life；
(2) the heat exchanger cold water pipe of the utility model is equipped with K1 check valves, is supplied from tap water inlet pipe stopping
When water, the water that can avoid in water tank is blowed back into due to siphonage in heat exchanger cold water pipe, to reduce water storage
The phenomenon that electric heater dry combustion method in tank, the damage of device in the water heater is avoided, while also avoiding that the disasters such as fiery residence occur；
(3) direct-acting electromagnetic valve being arranged in the utility model can guarantee without in return pipe mounting means without hot water return
When, the cold water in tap water inlet pipe can be prevented to be diverted into water tank by hot water backwater's tube portion, avoid causing water tank
The unstable phenomenon of middle domestic hot-water's water temperature, ensure that the stability of water temperature, improves the service life of water tank.
Description of the drawings
Fig. 1 is the fundamental diagram of the water heater for heating of the utility model；
Fig. 2 is the fundamental diagram for having in the utility model return pipe；
Fig. 3 is the fundamental diagram without return pipe in the utility model；
Fig. 4 is the structural schematic diagram of water tank in the utility model.
In figure：1, display is controlled；2, master controller；3, domestic hot-water recycles preheating system；4, heating system；5, it stores up
Water pot；6, electric heater；7, hot water outlet pipe；7-1, hot water temperature controller；7-2, hot water effluent's ball valve；8, hot water return pipe；8-
1, return water temperature controller；8-2, direct-acting electromagnetic valve；8-3, hot water backwater's circulating pump；8-4, return water ball valve；8-5, K2 check valve；9、
Temperature controller；10, overheat protector；11, heat exchanger outlet pipe；12, heat exchanger water inlet pipe；13, heating outlet pipe；13-1、
Heating temperature control device；14, heating water inlet pipe；15, hot-water heating system；16, smoke extraction chamber；17, wind turbine；18, combustor；19, heat is handed over
Parallel operation；20, cold water temperature controller；21, water flow sensor；22, return pipe；23, tap water inlet pipe；24, K1 check valves；25、
Cold water water intake ball valve；26, water compensating valve；27, gas control valve；29, heating system expansion tank；30, heating safety valve；31, other
Exchange device；32, heating pressure gauge；33, air chamber；34, heating overheat protector.
Specific implementation mode
In order to keep the purpose, technical scheme and advantage of utility model clearer, below in conjunction with the accompanying drawings to the utility model
It is further elaborated.
In the present embodiment, as shown in Figs 1-4, a kind of double heat source gas-heating water heaters with zero cold water function, should
Water heater includes that furnace body and the master controller 2 positioned at furnace interior, domestic hot-water recycle preheating system 3,4 and of heating system
Heating system；
It includes water tank 5 and electric heater 6 that the domestic hot-water, which recycles preheating system 3, and the electric heater 6 includes
Heating tube and electric connection, the heating tube are located inside water tank 5, and electric connection is located at outside water tank 5；5 liang of the water tank
End is respectively equipped with hot water outlet pipe 7 and hot water return pipe 8, and 5 side wall of water tank is equipped with temperature controller 9 and overheat protector 10, water storage
Tank 5 is connected to heating system by heat exchanger hot-water line 11, and the hot water outlet pipe 7 is described equipped with hot water temperature controller 7-1
Hot water return pipe 8 is equipped with hot water backwater's circulating pump 8-3, return water temperature controller 8-1 and direct-acting electromagnetic valve 8-2；
The heating system 4 includes heating outlet pipe 13 and heating return pipe 14, and the heating outlet pipe 13 and heating are returned
Water pipe 14 is connected with heating system, and the heating outlet pipe 13 is equipped with heating temperature control device 13-1, the heating return pipe 14
It is equipped with heating return water ball valve 14-2 and heating circulating pump 14-1；
The heating system includes hot-water heating system 15, smoke extraction chamber 16 and wind turbine 17, and the hot-water heating system 15 wraps
Combustor 18 and heat exchanger 19 are included, the heat exchanger 19 is connected with heat exchanger hot-water line 11, heat exchanger cold water pipe respectively
12, heating outlet pipe 13 and heating return pipe 14, the heat exchanger cold water pipe 12 is connected with tap water inlet pipe 23, described
Heat exchanger cold water pipe 12 is equipped with water flow sensor 21, cold water water intake ball valve 25 and K1 check valves 21；The combustor 18
Bottom is equipped with gas control valve 27；Institute
It states furnace body surface and is equipped with control display 1, the control display 1 is connected with master controller 2.
As a kind of prioritization scheme of the utility model, the hot water return pipe 8 be connected with tap water inlet pipe 23 or
It is connected by return pipe 22 with hot water outlet pipe 7；The hot water return pipe 8 is equipped with return water ball valve 8-4, the return pipe 22
It is equipped with K2 check valves 8-5；When there is return pipe 22, hot water return pipe 8 is connected with hot water outlet pipe 7 by return pipe 22, heat
Hot water in water outlet pipe 7 enters water tank 5 by return pipe 22 and hot water return pipe 8 to carry out in circulating-heating；When being not provided with
When return pipe 22, hot water return pipe 8 is connected with tap water inlet pipe 23, and hot water directly enters heat by tap water inlet pipe 23
In water return pipe 8, finally enter during water tank 5 heated.
As a kind of prioritization scheme of the utility model, the hot water outlet pipe 7 is equipped with hot water effluent ball valve 7-2, institute
Hot water outlet pipe 7 is stated to be connected to household water device；Master switch of hot water effluent's ball valve 7-2 as domestic water, it is controllable to heat
The total flow of water water outlet.
As a kind of prioritization scheme of the utility model, 5 outside of the water tank is equipped with for obstructing 5 heat of water tank
Thermal insulation layer；Thermal insulation layer can play certain heat insulation, avoid the external temperature caused by inside is heated of water tank 5 excessively high, subtract
The damage to the water heater for heating is lacked.
As a kind of prioritization scheme of the utility model, the hot-water heating system 15, smoke extraction chamber 16 and wind turbine 17 it is outer
Side is equipped with air chamber 33, and the wind turbine 17 is in communication with the outside across air chamber 33, and air chamber 33 is also the burning of the combustor 18
Enough oxygen is provided.
As a kind of prioritization scheme of the utility model, the heating outlet pipe 13 is equipped with heating and is discharged ball valve, described
Heating return pipe 14 is equipped with heating return water ball valve 14-2；It is discharged ball valve and heating return water ball valve 14-2 by heating, it can be to adopting
The warm flow for following recirculated water is adjusted, and ensures the needs of people.
As a kind of prioritization scheme of the utility model, side is equipped between the heating outlet pipe 13 and heating return pipe 14
Exchange device 31；The heating outlet pipe 13 is equipped with heating overheat protector 34 and heating temperature control device 13-1, the heating return water
Pipe 14 be equipped with heating pressure gauge 32, the heating pressure gauge 32 be located at heating circulating pump 14-1 and heating return water ball valve 14-2 it
Between.
As a kind of prioritization scheme of the utility model, which further includes heating system expansion tank 29, institute
It states heating system expansion tank 29 with heating return pipe 14 to be connected, and heating system expansion tank 29 connects with heating return pipe 14
Place is met between heating circulating pump 14-1 and heating return water ball valve 14-2, the heating system expansion tank 29 and heating return water
Heating safety valve 30 is equipped between pipe 14.
It is equipped with and mends as a kind of prioritization scheme of the utility model, between the heat exchanger cold water pipe and heating outlet pipe
Water valve.
As a kind of prioritization scheme of the utility model, the master controller 2 respectively with water flow sensor, each temperature control
Device is connected with each valve；By water flow sensor, each temperature controller and each valve to being monitored inside the water heater
With control, ensure the normal operation of the water heater, and meets the maximization needs of people.
Water tank 5 in the utility model is stainless steel, is respectively equipped with and hot water outlet pipe 7, hot water backwater on water tank 5
The connector that pipe 8 is connected with heat exchanger outlet pipe 11, three connectors are threadedly coupled with the connection type of each water pipe or cylinder
Radial buckle-type connection, which is rectangular or cylindrical, and is enclosed with one layer of barrier layer；The heating tube of electric heater 6 is
U-shaped or cylindrical helical shape；
The utility model is divided into two kinds of use states when using domestic hot-water：
1. when hot water is not used, the temperature of water can be reduced slowly in hot water outlet pipe 7, if the too low work of temperature leads to a dozen
Turn on the tap water outlet temperature it is relatively low, influence the routine use of people, perceiving water temperature by hot water temperature controller 7-1 support falls below master
The 2 pre-set temperature value of institute of controller, master controller 2 will control the water for extracting and being left in hot water outlet pipe 7 and follow
Ring heats；Master controller 2 controls hot water backwater's circulating pump 8-3,6 start-up operation group of electric heater, direct-acting electromagnetic valve 8-2 at this time
It opens, the water in hot water outlet pipe 7, return pipe 22 is recycled in water tank 5, water is in water tank 5 with return water ball valve 8-4
Circulating-heating is carried out by electric heater 6；When hot water temperature controller 7-1 monitors that water temperature reaches the temperature that master controller 2 is controlled
When, electric heater 6 and hot water backwater's circulating pump 8-3 are just stopped, and direct-acting electromagnetic valve 8-2 is also switched off channel at this time；When return
Water temperature controller 8-1 monitor that water temperature is relatively low or provide for tap water inlet pipe cold water when, direct-acting electromagnetic valve 8-2 is closed automatically
It closes, avoids cold water from carrying out in water tank 5, influence the stability of 5 water temperature inside of water tank；To which the water come out by tap is
2 default temperature range of master controller, realizes zero cold water function, facilitates the use of people.
2. when people when hot water is used, the water heater by domestic hot-water recycle preheating system 3 cycle of water is added
Hot function can realize mist cold water function so that cold water that just will not be for some time when beginning to use water.Using domestic hot-water
When, cold water is intake from tap water inlet pipe 23 in heat exchanger water inlet pipe 12, when the perception of water flow sensor 21 has cold water to flow through
When, power-off is stopped by electric heater 6 and hot water backwater's circulating pump 8-3, while direct-acting electromagnetic valve 8-2 is also switched off, at this time
Domestic hot-water recycles preheating system 3 and stops cycle preheating；Cold water enters in heating system at this time, and cold water passes through 18 He of combustor
Heat exchanger 19 is heated to hot water, is then entered in water tank 5 by heat exchanger outlet pipe 11, finally again by hot water effluent
Pipe 7 is by hot water bank to hot water end used by a user；If being imported in heating system when being preheated water and carrying out circulating-heating,
Heating time can be greatly prolonged, influence user experience, while being easy that warm water is allowed to be combined together with cold water so that water temperature it is steady
It is qualitative relatively low, influence the service life of the device.
The utility model can't influence zero cold water function of the user using hot water when, heating when using heating system 4
Recirculated water is entered by heating water inlet pipe 14 in heating system, by combustor 18 and heat exchanger 19 to heating circulation water into
Row heating ensures to recycle into heating by heating outlet pipe 13 after indoor heating temperature, heating circulation water are heated
Guan Zhong；Can be heating system 4 by heating system expansion tank 29 and water compensating valve 26 when the water shortage in heating circulation pipe
Water is provided.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of double heat source gas-heating water heaters with zero cold water function, it is characterised in that：The water heater include furnace body with
And the master controller (2) positioned at furnace interior, domestic hot-water recycle preheating system (3), heating system (4) and heating system；
It includes water tank (5) and electric heater (6), electric heater (6) packet that the domestic hot-water, which recycles preheating system (3),
Heating tube and electric connection are included, the heating tube is located at water tank (5) inside, and it is external that electric connection is located at water tank (5)；The water storage
Tank (5) both ends are respectively equipped with hot water outlet pipe (7) and hot water return pipe (8), and water tank (5) side wall is equipped with temperature controller (9) and mistake
Thermal protector (10), water tank (5) are connected to heating system by heat exchanger hot-water line (11), the hot water outlet pipe (7)
It is equipped with hot water temperature controller (7-1), the hot water return pipe (8) is equipped with hot water backwater's circulating pump (8-3), return water temperature controller
(8-1) and direct-acting electromagnetic valve (8-2)；
The heating system (4) includes heating outlet pipe (13) and heating return pipe (14), the heating outlet pipe (13) and is adopted
Warm return pipe (14) is connected with heating system, and the heating outlet pipe (13) is equipped with heating temperature control device (13-1), described to adopt
Warm return pipe (14) is equipped with heating return water ball valve (14-2) and heating circulating pump (14-1)；
The heating system includes hot-water heating system (15), smoke extraction chamber (16) and wind turbine (17), the hot-water heating system
(15) include combustor (18) and heat exchanger (19), the heat exchanger (19) be connected with respectively heat exchanger hot-water line (11),
Heat exchanger cold water pipe (12), heating outlet pipe (13) and heating return pipe (14), the heat exchanger cold water pipe (12) with from
Water water inlet pipe (23) is connected, and the heat exchanger cold water pipe (23) is equipped with water flow sensor (21), cold water water intake ball valve
(25) and K1 check valves (24)；Combustor (18) bottom is equipped with gas control valve (27)；
The furnace body surface is equipped with control display (1), and the control display (1) is connected with master controller (2).
2. water heater according to claim 1, it is characterised in that：The hot water return pipe (8) is logical with hot water outlet pipe (7)
It crosses tap water inlet pipe (23) or return pipe (22) is connected；The hot water return pipe (8) is equipped with return water ball valve (8-4), institute
It states return pipe (22) and is equipped with K2 check valves.
3. water heater according to claim 2, it is characterised in that：The hot water outlet pipe (7) is equipped with hot water effluent's ball
Valve (7-2), the hot water outlet pipe (7) are connected to household water device.
4. water heater according to claim 3, it is characterised in that：It is equipped on the outside of the water tank (5) for obstructing water storage
The thermal insulation layer of tank (5) heat.
5. water heater according to claim 4, it is characterised in that：The heating device (15), smoke extraction chamber (16) and wind turbine
(17) outside is equipped with air chamber (33), and the wind turbine (17) is in communication with the outside across air chamber (33).
6. water heater according to claim 5, it is characterised in that：The heating outlet pipe (13) goes out water polo equipped with heating
Valve, the heating return pipe (14) are equipped with heating return water ball valve (14-2).
7. water heater according to claim 6, it is characterised in that：The heating outlet pipe (13) and heating return pipe (14)
Between be equipped with by-pass collar (31)；The heating outlet pipe (13) is equipped with heating overheat protector (34) and heating temperature control device
(13-1), the heating return pipe (14) are equipped with heating pressure gauge (32), and the heating pressure gauge (32) is located at heating cycle
It pumps between (14-1) and heating return water ball valve (14-2).
8. water heater according to claim 7, it is characterised in that：The heating system (4) further includes heating system swelling water
Case (29), the heating system expansion tank (29) are connected with heating return pipe (14), and heating system expansion tank (29) with
Heating return pipe (14) junction is located between heating circulating pump (14-1) and heating return water ball valve (14-2), the heating system
Heating safety valve (30) is equipped between expansion tank (29) and heating return pipe (14).
9. water heater according to claim 8, it is characterised in that：The heat exchanger cold water pipe (12) and heating outlet pipe
(13) water compensating valve is equipped between.
10. water heater according to claim 9, it is characterised in that：The master controller (2) respectively with water flow sensor
(21), each temperature controller is connected with each valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205662.8U CN207649089U (en) | 2017-09-20 | 2017-09-20 | A kind of double heat source gas-heating water heaters with zero cold water function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205662.8U CN207649089U (en) | 2017-09-20 | 2017-09-20 | A kind of double heat source gas-heating water heaters with zero cold water function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649089U true CN207649089U (en) | 2018-07-24 |
Family
ID=62887181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721205662.8U Active CN207649089U (en) | 2017-09-20 | 2017-09-20 | A kind of double heat source gas-heating water heaters with zero cold water function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649089U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477860A (en) * | 2017-09-20 | 2017-12-15 | 成都前锋电子有限责任公司 | A kind of double thermal source gas-heating water heaters with zero cold water function |
| CN109612118A (en) * | 2018-12-17 | 2019-04-12 | 成都前锋电子有限责任公司 | A kind of zero cold water burnt gas wall hanging furnace heating system of wireless remote-control with solenoid valve |
| CN109708188A (en) * | 2019-01-04 | 2019-05-03 | 广东瑞马热能设备制造有限公司 | A kind of electric, shared heating stove of gas |
| CN110398055A (en) * | 2019-07-30 | 2019-11-01 | 华帝股份有限公司 | Zero-cold-water gas water heater capable of limiting preheating temperature and control method thereof |
-
2017
- 2017-09-20 CN CN201721205662.8U patent/CN207649089U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477860A (en) * | 2017-09-20 | 2017-12-15 | 成都前锋电子有限责任公司 | A kind of double thermal source gas-heating water heaters with zero cold water function |
| CN109612118A (en) * | 2018-12-17 | 2019-04-12 | 成都前锋电子有限责任公司 | A kind of zero cold water burnt gas wall hanging furnace heating system of wireless remote-control with solenoid valve |
| CN109708188A (en) * | 2019-01-04 | 2019-05-03 | 广东瑞马热能设备制造有限公司 | A kind of electric, shared heating stove of gas |
| CN110398055A (en) * | 2019-07-30 | 2019-11-01 | 华帝股份有限公司 | Zero-cold-water gas water heater capable of limiting preheating temperature and control method thereof |
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