CN104180425A - Household dual-energy high-power central heater - Google Patents
Household dual-energy high-power central heater Download PDFInfo
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- CN104180425A CN104180425A CN201410369689.5A CN201410369689A CN104180425A CN 104180425 A CN104180425 A CN 104180425A CN 201410369689 A CN201410369689 A CN 201410369689A CN 104180425 A CN104180425 A CN 104180425A
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Abstract
The invention belongs to the technical field of household appliances, and discloses a household dual-energy high-power central heater. Two improved gas water heaters are adopted for heating, the heating power and the speed are high, the heating demand of a family with a large house can be met, and high-flow and constant-temperature hot water can be supplied uninterruptedly; the heat-storage electric auxiliary device is added, the defect of the single heating manner is overcome, fuel gas and electricity can be simultaneously used for heating, either the fuel gas or the electricity can be used alone for heating, and the central heater integrates advantages of a rapid water heater and a volume type water heater; and meanwhile, the household dual-energy high-power central heater is simple and compact in structure, occupies small mounting space and is convenient to mount, simple to maintain, high in integration degree, simple and intelligent to operate and safe and reliable to use.
Description
Technical field
The invention belongs to household electrical appliance technical field, particularly the hot radiator of the high-power central authorities of a kind of family expenses Dual-energy source.
Background technology
Along with growth in the living standard, people have had higher requirement to living conditions, often all pursue the houses such as compound, big-room and luxury housing project that the area of residence is larger, villa, and this has just proposed very high requirement to the heating power of heating equipment; Meanwhile, the raising of material conditions impels people also more and more higher to the requirement of bath comfort degree, and the supply of hot water must meet the requirement of large flow and lasting constant temperature.
At present, for domestic consumer, should meet heating demand, meet again the demand of hot-water supply, normally used is gas-heating water heater, is called again " burnt gas wall hanging furnace ", relies on natural gas that bath hot water and heating hot water are provided.With regard to gas-heating water heater, its heating aspect, the heating power of single machine is limited at present, for 40kW left and right, only can heat to the area of more than 300 squares, as heated to larger area, need to buy many, the drawback of bringing is thus exactly the pipe-line system complexity of installing, takes up room large, and later maintenance difficulty etc.; Hot water aspect, its heating power has limited hot water amount's size, to such an extent as to the more difficult supply that realizes multiple spot, large flow hot water; Meanwhile, hot water temperature is also easily subject to the impact of intake pressure, admission pressure fluctuation, occurs the phenomenon that water temperature is sometimes hot and sometimes cold, greatly reduces the comfortableness that hot water uses.In addition, once stop the supple of gas or steam, gas-heating water heater cannot provide hot water.
Summary of the invention
The present invention aims to provide the hot radiator of the high-power central authorities of a kind of family expenses Dual-energy source, as a single equipment, the problems referred to above are well solved, it has adopted two modified gas-heating water heaters as heating source, heating power is large, speed is fast, the heating demand of big-room and luxury housing project family can be met, the free of discontinuities supply of large flow, constant-temperature hot water can also be realized simultaneously; And add the design of the auxiliary device of heat accumulation electricity, overcome the single shortcoming of mode of heating, can use combustion gas and electrical heating simultaneously, also can use separately wherein a kind of mode to heat, integrate the advantage of fast type water heater and displacement type water heater, the present invention is simultaneously simple and compact for structure, installation takes up room little, easy for installation, safeguard simply, and integrated degree is high, intelligence simple to operate, safe and reliable.
Technical scheme of the present invention is: the hot radiator of the high-power central authorities of a kind of family expenses Dual-energy source, it is characterized in that: comprise heater, gas burning system, smoke evacuation system, hot-water heating system, heating system, heater is two modified gas-heating water heaters, modified gas-heating water heater comprises shell and combustion component is in the enclosure set, heat-exchanging part, smoke evacuation parts, the setting of described smoke evacuation parts in the enclosure, smoke evacuation parts are connected with smoke exhaust pipe, composition smoke evacuation system, on smoke evacuation parts, air extractor is installed, air extractor can be ventilating fan, smoke evacuation system is for forcing supply and exhaust system, described heat-exchanging part comprises hot water thermal replacement part and heating heat-exchanging part, after being connected in series, two hot water thermal replacement parts are connected with hot-water heating system by hot water circulating pipeline, after being connected in parallel, two heating heat-exchanging parts are connected with heating system respectively by heating circulation line, gas burning system is connected with combustion component by fuel gas pipeline.
Further, described hot-water heating system comprises the auxiliary device of heat accumulation electricity, hot water circulating pump, water flow sensor, cooling-water temperature sensor are installed on hot water circulating pipeline, cooling-water temperature sensor comprises circulation inflow temperature sensor, cyclic water outlet temperature sensor, hot water circulating pipeline is also connected with water inlet pipe, the auxiliary device of heat accumulation electricity is electric water heater, and hot water temperature's sensor, water tank temperature sensor and hot-water outlet pipe are installed on electric water heater.
Further, described hot water cyclesystem is that hot water circulating pump, inner circulating tube A, inner circulating tube B, inner circulating tube C, two cover hot water thermal replacement parts, the auxiliary device of heat accumulation electricity connect and compose successively, and inner circulating tube A, inner circulating tube B, inner circulating tube C form hot water circulating pipeline.
Further, on inner circulating tube A, be provided with water flow sensor, circulation inflow temperature sensor, on inner circulating tube C, be provided with cyclic water outlet temperature sensor, in hot water circulating pipeline, two cover hot water thermal replacement parts belong to series relationship, water inlet pipe is connected with the water inlet interface of electric water heater bottom, form inlet pipeline, hot-water outlet pipe is connected with the water outlet mouthpiece at electric water heater top, form outlet pipeline, on hot-water outlet pipe, be provided with hot water temperature's sensor and temperature, pressure safety valve.
Further, on described heating circulation line, heating circulation pump, expansion tank, automatic exhaust steam valve, safety valve, pressure sensor, heating temperature sensor are installed.
Further, described heating system is that main heating water return pipe, heating water circulating pump, heating multiple-pass joint, heating water return pipe A, heating water return pipe B, two cover heating heat-exchanging parts, heating outlet pipe A, heating outlet pipe B, heating water out adapter connect and compose successively
Further, on described heating multiple-pass joint, be provided with automatic exhaust steam valve and safety valve, on heating water return pipe B, be provided with pressure sensor, heating temperature sensor has heating temperature sensors A and heating temperature sensor B, heating temperature sensors A and heating temperature sensor B are separately positioned on heating outlet pipe A and heating outlet pipe B, in heating circulation line, two cover heating heat-exchanging parts belong to relation in parallel, two cover expansion tanks are connected with main heating water return pipe by expansion tank tube connector, main heating water return pipe, heating multiple-pass joint, heating water return pipe A, heating water return pipe B, heating outlet pipe A, heating outlet pipe B, heating water out adapter forms heating circulation line.
Further, described gas burning system comprises the combustion gas interface being connected with fuel gas pipeline and is arranged on the gas ratio valve on fuel gas pipeline.
Further, described gas burning system be combustion gas interface, two cover gas ratio valves, gas connection pipe A, gas connection pipe B successively with two cover modified gas-heating water heaters in combustion component connect and compose, gas connection pipe A, gas connection pipe B form fuel gas pipeline.
Further, also comprise master controller, described hot water circulating pump, water flow sensor, cooling-water temperature sensor, the auxiliary device of heat accumulation electricity, hot water temperature's sensor, water tank temperature sensor, heating circulation pump, pressure sensor, heating temperature sensor, gas ratio valve are all connected with master controller.
The invention has the beneficial effects as follows: by having adopted two modified gas-heating water heaters as heating source, heating power is large, speed is fast, can meet the heating demand of big-room and luxury housing project family, can also realize the free of discontinuities supply of large flow, constant-temperature hot water simultaneously; And add the design of the auxiliary device of heat accumulation electricity, overcome the single shortcoming of mode of heating, can use combustion gas and electrical heating simultaneously, also can use separately wherein a kind of mode to heat, integrate the advantage of fast type water heater and displacement type water heater, the present invention is simultaneously simple and compact for structure, installation takes up room little, easy for installation, safeguard simply, and integrated degree is high, intelligence simple to operate, safe and reliable.
Brief description of the drawings
Fig. 1 is operation principle schematic diagram of the present invention;
Fig. 2 is internal structure front view of the present invention;
Fig. 3 is internal structure left view of the present invention;
Fig. 4 is internal structure right view of the present invention;
In figure: 1. modified gas-heating water heater, 11. shells, 12. smoke evacuation parts, 21. gas ratio valves, 22. gas connection pipe A, 23. gas connection pipe B, 24. inlet suction ports, 3. smoke exhaust pipe, the auxiliary device of 41. heat accumulation electricity, 411. hot water temperature's sensors, 412. water tank temperature sensors, 413. hot-water outlet pipe, 414. temperature, pressure safety valves, 42. hot-water circulating pumps, 43. water flow sensors, 44. inner circulating tube A, 45. inner circulating tube B, 46. inner circulating tube C, 47. circulation inflow temperature sensors, 48. cyclic water outlet temperature sensors, 49. water inlet pipes, 501. heating water circulating pumps, 502. expansion tank, 503. main heating water return pipes, 504. expansion tank tube connectors, 505. heating multiple-pass joints, 506. automatic exhaust steam valve, 507. safety valve, 508. heating water return pipe A, 509. is heating water return pipe B, 510. pressure sensor, 511. heating outlet pipe A, 512. heating outlet pipe B, 513. heating temperature sensors A, 514. heating temperature sensor B, 515. heating water out adapters, 6. master controller.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in Figures 1 to 4, the invention discloses the hot radiator of the high-power central authorities of a kind of family expenses Dual-energy source, comprise heater, gas burning system, smoke evacuation system, hot-water heating system, heating system, heater is two modified gas-heating water heaters 1, modified gas-heating water heater 1 comprises shell 11 and combustion component is in the enclosure set, heat-exchanging part, smoke evacuation parts, smoke evacuation parts 12 are arranged in shell 11, smoke evacuation parts 12 are connected with smoke exhaust pipe 3, composition smoke evacuation system, smoke evacuation parts are provided with air extractor, air extractor can be ventilating fan, smoke evacuation system is for forcing supply and exhaust system, heat-exchanging part comprises hot water thermal replacement part and heating heat-exchanging part, after being connected in series, two hot water thermal replacement parts are connected with hot-water heating system by hot water circulating pipeline, after being connected in parallel, two heating heat-exchanging parts are connected with heating system respectively by heating circulation line, gas burning system is connected with combustion component by fuel gas pipeline.Adopted two modified gas-heating water heaters 1 as heater, heating power is large, speed is fast, and efficiency is high, can meet the heating demand of big-room and luxury housing project home dwelling, also can realize the supply of large flow hot water.
Hot-water heating system comprises the auxiliary device 41 of heat accumulation electricity, hot water circulating pump 42, water flow sensor 43, cooling-water temperature sensor are installed on hot water circulating pipeline, cooling-water temperature sensor comprises circulation inflow temperature sensor 47, cyclic water outlet temperature sensor 48, hot water circulating pipeline is also connected with water inlet pipe 49, the auxiliary device 41 of heat accumulation electricity is electric water heater, and hot water temperature's sensor 411, water tank temperature sensor 412 and hot-water outlet pipe 413 are installed on electric water heater.Hot water circulating pump 42, inner circulating tube A44, inner circulating tube B45, inner circulating tube C46, two cover hot water thermal replacement parts, the auxiliary device 41 of heat accumulation electricity connect successively, form hot water cyclesystem, inner circulating tube A44, inner circulating tube B45, inner circulating tube C46 form hot water circulating pipeline.Wherein on inner circulating tube A44, be provided with water flow sensor 43, circulation inflow temperature sensor 47, on inner circulating tube C46, be provided with cyclic water outlet temperature sensor 48.In hot water circulating pipeline, two cover hot water thermal replacement parts belong to series relationship.Water inlet pipe 49 is connected with the water inlet interface of electric water heater bottom, forms inlet pipeline; Hot-water outlet pipe 413 is connected with the water outlet mouthpiece at electric water heater top, forms outlet pipeline, is provided with hot water temperature's sensor 411 and temperature, pressure safety valve 414 on hot-water outlet pipe 413.In hot-water heating system, adopt electric water heater as hot water reservoir, simultaneously as storage and heater, can be incubated storage to hot water, also can carry out electrical heating to it, increase the diversity of mode of heating, can allow user select flexibly mode of heating, while adopting combustion gas and electrical heating, further improve the speed of heating simultaneously, increased the efficiency of heating surface, and can select different mode of heatings according to different situations, time as late at night in evening, adopt electrical heating, heating sound is little, reduce noise, environmental protection.
Heating water circulating pump 501, expansion tank 502, automatic exhaust steam valve 506, safety valve 507, pressure sensor 510, heating temperature sensor are installed on heating circulation line.I.e. main heating water return pipe 503, heating water circulating pump 501, heating multiple-pass joint 505, heating water return pipe A508, heating water return pipe B509, two cover heating heat-exchanging parts, heating outlet pipe A511, heating outlet pipe B512, heating water out adapter 515 connects successively, form heating system, wherein on heating multiple-pass joint 505, be provided with automatic exhaust steam valve 506 and safety valve 507, on heating water return pipe B509, be provided with pressure sensor 510, heating temperature sensor has heating temperature sensors A 513 and heating temperature sensor B514, heating temperature sensors A 513 and heating temperature sensor B514 are separately positioned on heating outlet pipe A511 and heating outlet pipe B512, in heating circulation line, two cover heating heat-exchanging parts belong to relation in parallel.Two cover expansion tanks 502 are connected with main heating water return pipe 503 by expansion tank tube connector 504.Main heating water return pipe 503, heating multiple-pass joint 505, heating water return pipe A508, heating water return pipe B509, heating outlet pipe A511, heating outlet pipe B512, heating water out adapter 515 form heating circulation line.The design of heating system, is further increased function of the present invention, has solved the supply of magnanimity constant-temperature hot water, has solved again the demand of large area heating, convenient and practical.
Gas burning system comprises the inlet suction port 24 being connected with fuel gas pipeline and is arranged on the gas ratio valve 21 on fuel gas pipeline.Inlet suction port 24, two cover gas ratio valves 21, gas connection pipe A22, gas connection pipe B23 are connected with the combustion component in two cover modified gas-heating water heaters 1 successively, form gas burning system.Gas connection pipe A22, gas connection pipe B23 form fuel gas pipeline.The design of gas ratio valve 21, can eliminate the impact of extraneous admission pressure fluctuation, allows effluent temperature constancy, can also control the size of combustion gas simultaneously, so that the hot water of different temperatures to be provided, meets the diversity of demand under user's Various Seasonal, different environment for use.
Also comprise master controller 6, hot-water circulating pump 42, water flow sensor 43, cooling-water temperature sensor, the auxiliary device 41 of heat accumulation electricity, hot water temperature's sensor 411, water tank temperature sensor 412, heating water circulating pump 501, pressure sensor 510, heating temperature sensor, gas ratio valve 21 are all connected with master controller 6.The design of master controller 6 allows the present invention become more intelligent, operates more simple and conveniently, has also ensured user's safety.Simultaneously the present invention is simple and compact for structure, install take up room little, easy for installation, safeguard simply, integrated degree is high, intelligence simple to operate is safe and reliable.
The present invention under different operating modes operation principle:
1), extraneous without water, keeping warm mode
First ensure to fill water in the auxiliary device 41 of heat accumulation electricity and heating system fills water, energising, after ventilation, master controller 6 enters self-inspection state, when the temperature that water tank temperature sensor 412 detects is spent lower than set temperature n, start immediately hot-water circulating pump 42, water is released in the auxiliary device 41 of heat accumulation electricity, by hot-water circulating pump 42, inner circulating tube A44 arrives water flow sensor 43, in the time that circulating water flow reaches required value, master controller 6 will send signal, controlling gas ratio valve 21 opens, start heater, in this process, by gas ratio valve 21, tolerance size is adjusted, thereby make leaving water temperature consistent with design temperature.The hot water producing is sent back in the auxiliary device 41 of heat accumulation electricity by inner circulating tube B45, inner circulating tube C46, so repeatedly, water in the auxiliary device 41 of heat accumulation electricity is constantly drawn out of to heat, and then get back in the auxiliary device 41 of heat accumulation electricity, until the water temperature that water tank temperature sensor 412 detects in the auxiliary device 41 of heat accumulation electricity reaches set temperature, hot-water circulating pump 42 shuts down, and gas ratio valve 21 is closed, heater stop work.In whole process, master controller 6 is monitored by each sensor, as extremely, can turn-off gas source, ensures to use safety.
2) use water state
When extraneous use hot water, cold water enters in the auxiliary device 41 of heat accumulation electricity, along with the hot water in the auxiliary device 41 of heat accumulation electricity constantly consumes by water inlet pipe 49, cold water increases gradually, its overall water temperature starts to decline, when the temperature that water tank temperature sensor 412 detects is spent lower than set temperature n, start immediately hot-water circulating pump 42, after the route of cold water during by keeping warm mode is heated, enter the auxiliary device 41 of heat accumulation electricity.If do not stop water, heater is by continuous heating.In whole process, master controller 6 is monitored by each sensor, as extremely, can turn-off gas source, ensures to use safety.
Be no matter at Heat preservation also time when water heating, if stopped the supple of gas or steam, the auxiliary device 41 of heat accumulation electricity will start electric heating function until recovery gas supply.
3) heating state
Only have in the time that the water temperature in the auxiliary device 41 of heat accumulation electricity reaches uniform temperature, just can enter heating state.When as heating temperature sensors A 513 and heating temperature sensor B514, any one detects water temperature and spends lower than set temperature n, heating water circulating pump 501 starts running, master controller 6 is controlled gas ratio valve 21 and is opened, and start heater work, now hot-water circulating pump 42 is in halted state.The heating water water circulating pump 501 that heated is drawn back and is entered main heating water return pipe 503, heating water circulating pump 501, heating multiple-pass joint 505, heating water return pipe A508, heating water return pipe B509 and heater from heat radiation terminal device, enters heat radiation terminal device and circulates again after heated through heating outlet pipe A511, heating outlet pipe B512, heating water out adapter 515.When the water temperature detecting as heating temperature sensors A 513 and heating temperature sensor B514 does not reach design temperature, whole heating system can be worked always, when the water temperature detecting as heating temperature sensors A 513 and heating temperature sensor B514 reaches design temperature, heating can stop.
Those of ordinary skill in the art will appreciate that, embodiment described here is in order to help reader understanding's principle of the present invention, should be understood to that the protection domain of invention is not limited to such special statement and embodiment.Everyly make various possible being equal to according to foregoing description and replace or change, be all considered to belong to the protection domain of claim of the present invention.
Claims (10)
1. the hot radiator of the high-power central authorities of family expenses Dual-energy source, it is characterized in that: comprise heater, gas burning system, smoke evacuation system, hot-water heating system, heating system, described heater is two modified gas-heating water heaters, described modified gas-heating water heater comprises shell and combustion component is in the enclosure set, heat-exchanging part, smoke evacuation parts, the setting of described smoke evacuation parts in the enclosure, described smoke evacuation parts are provided with air extractor, smoke evacuation parts are connected with smoke exhaust pipe, composition smoke evacuation system, described heat-exchanging part comprises hot water thermal replacement part and heating heat-exchanging part, after being connected in series, two hot water thermal replacement parts are connected with hot-water heating system by hot water circulating pipeline, after being connected in parallel, two heating heat-exchanging parts are connected with heating system respectively by heating circulation line, described gas burning system is connected with combustion component by fuel gas pipeline.
2. the hot radiator of the high-power central authorities of family expenses Dual-energy source according to claim 1, it is characterized in that: described hot-water heating system comprises the auxiliary device of heat accumulation electricity, hot water circulating pump, water flow sensor, cooling-water temperature sensor are installed on described hot water circulating pipeline, described cooling-water temperature sensor comprises circulation inflow temperature sensor, cyclic water outlet temperature sensor, described hot water circulating pipeline is also connected with water inlet pipe, the auxiliary device of described heat accumulation electricity is electric water heater, and hot water temperature's sensor, water tank temperature sensor and hot-water outlet pipe are installed on described electric water heater.
3. the hot radiator of the high-power central authorities of family expenses Dual-energy source according to claim 2, it is characterized in that: described hot water cyclesystem is that hot water circulating pump, inner circulating tube A, inner circulating tube B, inner circulating tube C, two cover hot water thermal replacement parts, the auxiliary device of heat accumulation electricity connect and compose successively, and inner circulating tube A, inner circulating tube B, inner circulating tube C form hot water circulating pipeline.
4. the hot radiator of the high-power central authorities of family expenses Dual-energy source according to claim 3, it is characterized in that: on described inner circulating tube A, be provided with water flow sensor, circulation inflow temperature sensor, on described inner circulating tube C, be provided with cyclic water outlet temperature sensor, in described hot water circulating pipeline, two cover hot water thermal replacement parts belong to series relationship, water inlet pipe is connected with the water inlet interface of electric water heater bottom, form inlet pipeline, hot-water outlet pipe is connected with the water outlet mouthpiece at electric water heater top, form outlet pipeline, on hot-water outlet pipe, be provided with hot water temperature's sensor and temperature, pressure safety valve.
5. the hot radiator of the high-power central authorities of family expenses Dual-energy source according to claim 1, is characterized in that: heating circulation pump, expansion tank, automatic exhaust steam valve, safety valve, pressure sensor, heating temperature sensor are installed on described heating circulation line.
6. the hot radiator of the high-power central authorities of family expenses Dual-energy source according to claim 5, is characterized in that: described heating system is that main heating water return pipe, heating water circulating pump, heating multiple-pass joint, heating water return pipe A, heating water return pipe B, two cover heating heat-exchanging parts, heating outlet pipe A, heating outlet pipe B, heating water out adapter connect and compose successively.
7. the hot radiator of the high-power central authorities of family expenses Dual-energy source according to claim 6, it is characterized in that: on described heating multiple-pass joint, be provided with automatic exhaust steam valve and safety valve, on heating water return pipe B, be provided with pressure sensor, heating temperature sensor has heating temperature sensors A and heating temperature sensor B, heating temperature sensors A and heating temperature sensor B are separately positioned on heating outlet pipe A and heating outlet pipe B, in described heating circulation line, two cover heating heat-exchanging parts belong to relation in parallel, two cover expansion tanks are connected with main heating water return pipe by expansion tank tube connector, main heating water return pipe, heating multiple-pass joint, heating water return pipe A, heating water return pipe B, heating outlet pipe A, heating outlet pipe B, heating water out adapter forms heating circulation line.
8. the hot radiator of the high-power central authorities of family expenses Dual-energy source according to claim 1, is characterized in that: described gas burning system comprises the combustion gas interface being connected with fuel gas pipeline and is arranged on the gas ratio valve on fuel gas pipeline.
9. the hot radiator of the high-power central authorities of family expenses Dual-energy source according to claim 8, it is characterized in that: described gas burning system be combustion gas interface, two cover gas ratio valves, gas connection pipe A, gas connection pipe B successively with two cover modified gas-heating water heaters in combustion component connect and compose, gas connection pipe A, gas connection pipe B form fuel gas pipeline.
10. according to the hot radiator of the high-power central authorities of family expenses Dual-energy source described in claim 1-9, it is characterized in that: also comprise master controller, described hot water circulating pump, water flow sensor, cooling-water temperature sensor, the auxiliary device of heat accumulation electricity, hot water temperature's sensor, water tank temperature sensor, heating circulation pump, pressure sensor, heating temperature sensor, gas ratio valve are all connected with master controller.
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| CN201410369689.5A CN104180425B (en) | 2014-07-30 | 2014-07-30 | A kind of high-power central hot radiator of family expenses Dual-energy source |
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| CN201410369689.5A CN104180425B (en) | 2014-07-30 | 2014-07-30 | A kind of high-power central hot radiator of family expenses Dual-energy source |
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| CN104180425B CN104180425B (en) | 2017-08-11 |
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| CN106642294A (en) * | 2017-03-02 | 2017-05-10 | 成都前锋电子有限责任公司 | Waterway system capable of achieving energy conservation for heating system |
| CN106678923A (en) * | 2017-03-02 | 2017-05-17 | 成都前锋电子有限责任公司 | Waterway system for heat supply and heating |
| 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 |
| CN108645019A (en) * | 2018-08-17 | 2018-10-12 | 广东万家乐燃气具有限公司 | A kind of double gas combustion apparatus and gas heater |
| CN113188256A (en) * | 2020-12-01 | 2021-07-30 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN115235011A (en) * | 2022-07-28 | 2022-10-25 | 重庆莜猷宏科技合伙企业(有限合伙) | Indoor temperature regulation and control device |
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| CN106642294A (en) * | 2017-03-02 | 2017-05-10 | 成都前锋电子有限责任公司 | Waterway system capable of achieving energy conservation for heating system |
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| 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 |
| CN108645019A (en) * | 2018-08-17 | 2018-10-12 | 广东万家乐燃气具有限公司 | A kind of double gas combustion apparatus and gas heater |
| CN113188256A (en) * | 2020-12-01 | 2021-07-30 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN115235011A (en) * | 2022-07-28 | 2022-10-25 | 重庆莜猷宏科技合伙企业(有限合伙) | Indoor temperature regulation and control device |
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|---|---|
| CN104180425B (en) | 2017-08-11 |
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