CN102384584B - Heat-storage type gas water heating stove for central heating - Google Patents
Heat-storage type gas water heating stove for central heating Download PDFInfo
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- CN102384584B CN102384584B CN201110065214.3A CN201110065214A CN102384584B CN 102384584 B CN102384584 B CN 102384584B CN 201110065214 A CN201110065214 A CN 201110065214A CN 102384584 B CN102384584 B CN 102384584B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 340
- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 238000005338 heat storage Methods 0.000 title claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract 14
- 238000004064 recycling Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 6
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims 2
- 239000000523 sample Substances 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000008447 perception Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 239000008400 supply water Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 5
- 206010044565 Tremor Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
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- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to the technical field of gas water heating stoves, and in particular relates to a heat-storage type gas water heating stove for central heating. The gas water heating stove comprises a closed type heat exchange chamber, a closed type air intake chamber, an overheat protection switch, a temperature controller probe head, a water storage tank, a heat exchanger, a burner, a blower, a water pump, an electromagnetic valve, a water flow sensor, a constant temperature water mixing valve and a connecting pipeline. The gas water heating stove has the technical characteristics and construction of heat absorption in a major cycle, and afterheat absorption in an auxiliary cycle; and the operation and stop of a complete machine is controlled according to signals of the temperature controller probe head and the water flow sensor, so as to keep constant water temperature, secondary constant temperature of the water mixing valve and the reasonable connection of the pipelines to ensure equal pressure of cold water and hot water. By using the gas water heating stove disclosed by the invention, thermal efficiency of the product can be remarkably improved, and equal pressure of cold water and hot water can be ensured; and the gas water heating stove has the advantages of rapid heating speed and large water yield, and is not easily affected by environmental climate when in use. The gas water heating stove can be widely used in places which need hot water supply and heating, such as hotels, guesthouses, bath centers, etc.
Description
Affiliated technical field
The present invention relates to gas water-heating furnace technical field, is the gas water-heating furnace that is applicable to central heating.
Background technology
At present, as domestic gas-fired water heater and the wall-hung boiler of hot water facility, its thermal efficiency calculates and existing exceedes 100% by low heat value, but uses for central heating, and its heating load is but nowhere near.For boiler series product, heating load can meet the requirement of central heating, but has many weak points in actual use, if any BTHE be difficult to exceed 85% even lower; Some hot and cold water pressure differences, are not easy to mixed water; Some hot water temperature's shakinesses, weak effect while needing constant temperature water.And solar energy and Teat pump boiler are though the thermal efficiency is high under proper environment, obviously not enough in the winter that needs most hot water, the high latitude area heat production water yield, need supporting other hot water facilities to use.
Summary of the invention
The invention provides a kind of central heating heat storage type gas water-heating furnace, this stove can solve current central heating equipment or heating load not or the thermal efficiency is not high or hot and cold water pressure difference or hot water water temperature shakiness or be subject to the deficiency that seasonal effect is large etc.
The present invention solves the technical scheme that current technical problem adopts:
Central heating heat storage type gas water-heating furnace, include closed type hot switch room in closed inlet plenum, in closed type hot switch room, there is auxiliary finned tube exchanger, main finned tube exchanger, burner, air blast is positioned in the passage of closed Heat Room and closed inlet plenum, water tank, water tank recycling outlet, constant temperature water pump, main heat exchanger water inlet pipe, main finned tube exchanger, water tank circulation water inlet pipe series winding, give cold water pipe, auxiliary finned tube exchanger, auxiliary heat exchanger outlet pipe, water tank recycling outlet series winding, constant temperature water pump is connected between auxiliary heat exchanger outlet pipe and main heat exchanger water inlet pipe, return pipe, backwater magnetic valve, auxiliary heat exchanger water supply electromagnetic valve is connected on water tank recycling outlet, between backwater magnetic valve and auxiliary heat exchanger water supply electromagnetic valve, be connected with backwater water feeding of water pump end, backwater water pump water outlet terminate between water flow sensor and auxiliary finned tube exchanger to cold water pipe on, constant-temperature water mixing valve cold water inlet be connected on be positioned at water flow sensor front end on cold water pipe, constant-temperature water mixing valve hot water inlet is connected on water tank outlet pipe, constant-temperature water mixing valve delivery port connects heat supply water pipe, water flow sensor be connected on be connected with between constant-temperature water mixing valve and backwater water pump to cold water pipe on, electric appliance control box is located at closed inlet plenum bottom, thermostat probe is located on water tank, overheat switch is located at auxiliary heat exchanger outlet pipe and the water tank circulation water inlet pipe position near closed type hot switch room, temperature-sensitive is packaged on the return pipe of machine shell outside, all main devices are included in machine shell, thermostat probe, water flow sensor passes to electric appliance control box by signal, the ignition of control combustion device, the running of air blast, the running of constant temperature water pump, the running of backwater water pump, the break-make of auxiliary heat exchanger water supply electromagnetic valve, temperature-sensitive bag is by the break-make of electric appliance control box control backwater magnetic valve, the running of backwater water pump, overheat switch is by electric appliance control box stoppage protection when complete machine is abnormal.
The operation principle of central heating heat storage type gas water-heating furnace is: when the water temperature in thermostat probe perception water tank is during lower than design temperature, and the ignition of electric appliance control box control combustion device, air blast running, constant temperature pump operation, the water in water tank is through water tank recycling outlet, constant temperature water pump, main finned tube exchanger, the continuous circulating-heating of water tank circulation water inlet pipe, the heat transfer effect that finned tube is good is more of value to the raising of the thermal efficiency, and under this situation, while having cold water to flow into, cold water is through giving cold water pipe, water flow sensor, auxiliary finned tube exchanger, auxiliary heat exchanger outlet pipe, constant temperature water pump, main heat exchanger water inlet pipe, main finned tube exchanger, water tank circulation water inlet pipe flows into water tank, and while flowing into without cold water, water flow sensor is passed to electric appliance control box by anhydrous flow signal, and the auxiliary heat exchanger water supply electromagnetic valve of electric appliance control box control is opened, backwater pump operation, the water in water tank is through water tank recycling outlet, auxiliary heat exchanger water supply electromagnetic valve, backwater water pump, give the part pipe of cold water pipe, auxiliary finned tube exchanger, auxiliary heat exchanger outlet pipe, constant temperature water pump, main heat exchanger water inlet pipe, main finned tube exchanger, water tank circulation water inlet pipe flows into water tank, and auxiliary finned tube exchanger absorbs and improved the thermal efficiency the condensation of fume afterheat, when the water temperature in thermostat probe perception water tank reaches design temperature, shuts down, during complete machine work, because fault makes auxiliary finned tube exchanger or main finned tube exchanger temperature higher than safe range, overheat switch disconnects, and complete machine is shut down, and sends alarm signal, at any time, temperature-sensitive bag perception return water temperature is during lower than design temperature, electric appliance control box control backwater magnetic valve is opened, backwater pump operation, during complete machine work, backwater is through return pipe, backwater magnetic valve, backwater water pump, give the part pipe of cold water pipe, auxiliary finned tube exchanger, auxiliary heat exchanger outlet pipe, constant temperature water pump, main heat exchanger water inlet pipe, main finned tube exchanger, water tank circulation water inlet pipe flows into water tank, when complete machine is shut down, backwater is through return pipe, backwater magnetic valve, backwater water pump, give the part pipe of cold water pipe, auxiliary finned tube exchanger, auxiliary heat exchanger outlet pipe, water tank recycling outlet flows into water tank, when complete machine is not worked, cold water is through flowing into water tank to cold water pipe, water flow sensor, auxiliary finned tube exchanger, auxiliary heat exchanger outlet pipe, water tank recycling outlet, hot water in water tank provides hot water through water tank outlet pipe, constant-temperature water mixing valve, the outside portion of heat supply water pipe, and constant-temperature water mixing valve is guaranteed the stable of output water temperature again, to cold water pipe, by auxiliary finned tube exchanger, auxiliary heat exchanger outlet pipe, water tank recycling outlet and heat supply water pipe, be all connected in water tank, make the pressure of hot and cold water keep identical.
The invention has the beneficial effects as follows, not be subject to the impact of environment, and guarantee that hot-water heating system water temperature stability, hot and cold water pressure are identical, can meet again heating load demand, improve the thermal efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of second embodiment of the invention.
1. closed type hot switch rooms in figure, 2. closed inlet plenum, 3. overheat switch, 4. thermostat probe, 5. water tank, 6. auxiliary finned tube exchanger, 7. main finned tube exchanger, 8. burner, 9. air blast, 10. electric control box, 11. constant temperature water pumps, 12. auxiliary heat exchanger water supply electromagnetic valves, 13. backwater water pumps, 14. water flow sensors, 15. backwater magnetic valves, 16. constant-temperature water mixing valves, 17. temperature-sensitive bags, 18. give cold water pipe, 19. return pipes, 20. heat supply water pipes, 21. water tank outlet pipes, 22. auxiliary heat exchanger outlet pipes, 23. main heat exchanger water inlet pipes, 24. water tank circulation water inlet pipes, 25. water tank recycling outlets, 26. machine shells, 27. water tank drainpipes.
The specific embodiment
Fig. 1 is an embodiment of the present invention, represent a kind of central heating heat storage type gas water-heating furnace, include closed type hot switch room 1 in closed inlet plenum 2, in closed type hot switch room 1, there is auxiliary finned tube exchanger 6, main finned tube exchanger 7, burner 8, air blast 9 is positioned in the passage of closed Heat Room 1 and closed inlet plenum 2, water tank 5, water tank recycling outlet 25, constant temperature water pump 11, main heat exchanger water inlet pipe 23, main finned tube exchanger 7, water tank circulation water inlet pipe 24 is contacted, give cold water pipe 18, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, water tank recycling outlet 25 is contacted, constant temperature water pump 11 is connected between auxiliary heat exchanger outlet pipe 22 and main heat exchanger water inlet pipe 23, return pipe 19, backwater magnetic valve 15, auxiliary heat exchanger water supply electromagnetic valve 12 is connected on water tank recycling outlet 25, between backwater magnetic valve 15 and auxiliary heat exchanger water supply electromagnetic valve 12, be connected with the water inlet end of backwater water pump 13, backwater water pump 13 water sides be connected between water flow sensor 14 and auxiliary finned tube exchanger 6 on cold water pipe 18, constant-temperature water mixing valve 16 cold water inlets be connected on be positioned at water flow sensor 14 front ends on cold water pipe 18, constant-temperature water mixing valve 16 hot water inlets are connected on water tank outlet pipe 21, constant-temperature water mixing valve 16 delivery ports connect heat supply water pipe 20, water flow sensor 14 be connected on be connected with between constant-temperature water mixing valve 16 and backwater water pump 13 on cold water pipe 18, electric appliance control box 10 is located at closed inlet plenum 2 bottoms, thermostat probe 4 is located at overheat switch 3 on water tank 5 and is located at auxiliary heat exchanger outlet pipe 22 and water tank circulation water inlet pipe 24 positions near closed type hot switch room 1, temperature-sensitive bag 17 is located on the return pipe 19 of machine shell 26 outsides, all main devices are included in machine shell 26, thermostat probe 4, water flow sensor 14 passes to electric appliance control box 10 by signal, the ignition of control combustion device 8, the running of air blast 9, the running of constant temperature water pump 11, the running of backwater water pump 13, the break-make of auxiliary heat exchanger water supply electromagnetic valve 12, temperature-sensitive bag 17 is controlled the break-make of backwater magnetic valve 15 by electric appliance control box 10, the running of backwater water pump 13, overheat switch 3 is by electric appliance control box stoppage protection when complete machine is abnormal.
During use, when the water temperature of 5 li of thermostat probe 4 perception water tanks is during lower than design temperature, electric appliance control box 10 control combustion device 8 ignition, air blast 9 turns round, constant temperature water pump 11 turns round, and the water in water tank 5 is through water tank recycling outlet 25, constant temperature water pump 11, main heat exchanger water inlet pipe 23, main finned tube exchanger 7, the continuous circulating-heating of water tank circulation water inlet pipe 24, under this situation, while having cold water to flow into, cold water is through giving cold water pipe 18, water flow sensor 14, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, constant temperature water pump 11, main heat exchanger water inlet pipe 23, main finned tube exchanger 7, water tank circulation water inlet pipe 24 flows into water tank 5, and while flowing into without cold water, water flow sensor 14 is passed to electric appliance control box 10 by anhydrous flow signal, and electric appliance control box 10 is controlled auxiliary heat exchanger water supply electromagnetic valve 12 and opened, backwater water pump 13 turns round, and the water in water tank 5 is through water tank recycling outlet 25, auxiliary heat exchanger water supply electromagnetic valve 12, backwater water pump 13, give the part pipe of cold water pipe 18, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, constant temperature water pump 11, main heat exchanger water inlet pipe 23, main finned tube exchanger 7, water tank circulation water inlet pipe 24 flows into water tank, when the water temperature of 5 li of thermostat probe 4 perception water tanks reaches design temperature, shuts down, during complete machine work, because fault makes auxiliary finned tube exchanger 6 or main finned tube exchanger 7 temperature higher than safe range, overheat switch 3 disconnects, and complete machine is shut down, and sends alarm signal, at any time, temperature-sensitive bag 17 perception return water temperatures are during lower than design temperature, electric appliance control box 10 is controlled backwater magnetic valve 15 and is opened, backwater water pump 13 turns round, during complete machine work, backwater is through return pipe 19, backwater magnetic valve 15, backwater water pump 13, give the part pipe of cold water pipe 18, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, constant temperature water pump 11, main heat exchanger water inlet pipe 23, main finned tube exchanger 7, water tank circulation water inlet pipe 24 flows into water tank 5, when complete machine is shut down, backwater is through return pipe 19, backwater magnetic valve 15, backwater water pump 13, give the part pipe of cold water pipe 18, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, water tank recycling outlet 25 flows into water tank 5, when complete machine is not worked, cold water can be through flowing into water tank 5 to cold water pipe 18, water flow sensor 14, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, water tank recycling outlet 25, hot water in water tank 5 provides hot water through water tank outlet pipe 21, constant-temperature water mixing valve 16, heat supply water pipe 20 to outside.
Fig. 2 is second embodiment of the present invention, what the present embodiment was different from embodiment mono-is to contact to cold water pipe 18, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, water tank drainpipe 27, water tank 5, and other compositions and annexation are identical with embodiment mono-.
During use, when the water temperature of 5 li of thermostat probe 4 perception water tanks is during lower than design temperature, electric appliance control box 10 control combustion device 8 ignition, air blast 9 turns round, constant temperature water pump 11 turns round, and the water in water tank 5 is through water tank recycling outlet 25, constant temperature water pump 11, main heat exchanger water inlet pipe 23, main finned tube exchanger 7, the continuous circulating-heating of water tank circulation water inlet pipe 24, under this situation, while having cold water to flow into, cold water is through giving cold water pipe 18, water flow sensor 14, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, water tank drainpipe 27, flow into water tank 5, while flowing into without cold water, water flow sensor 14 is passed to electric appliance control box 10 by anhydrous flow signal, and electric appliance control box 10 is controlled auxiliary heat exchanger water supply electromagnetic valve 12 and opened, backwater water pump 13 turns round, and the water in water tank 5 is through water tank recycling outlet 25, auxiliary heat exchanger water supply electromagnetic valve 12, backwater water pump 13, give the part pipe of cold water pipe 18, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, water tank drainpipe 27, flow into water tank 5, when the water temperature of 5 li of thermostat probe 4 perception water tanks reaches design temperature, shut down, during complete machine work, because fault makes auxiliary finned tube exchanger 6 or main finned tube exchanger 7 temperature higher than safe range, overheat switch 3 disconnects, and complete machine is shut down, and sends alarm signal, at any time, temperature-sensitive bag 17 perception return water temperatures are during lower than design temperature, electric appliance control box 10 controls that backwater magnetic valve 15 is opened, backwater water pump 13 turns round, backwater through return pipe 19, backwater magnetic valve 15, backwater water pump 13, the part pipe of giving cold water pipe 18, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, water tank drainpipe 27, flow into water tank 5, when complete machine is not worked, cold water can be through flowing into water tank 5 to cold water pipe 18, water flow sensor 14, auxiliary finned tube exchanger 6, auxiliary heat exchanger outlet pipe 22, water tank drainpipe 27, hot water in water tank 5 provides hot water through water tank outlet pipe 21, constant-temperature water mixing valve 16, heat supply water pipe 20 to outside.
Claims (2)
1. a central heating heat storage type gas water-heating furnace, includes by constant temperature water pump (11), main finned tube exchanger (7), water tank (5) and pipeline, the main heat absorption circulation of accessory composition, is characterized in that: air blast (9) is positioned in the passage of closed type hot switch room (1) and closed inlet plenum (2), water flow sensor (14), auxiliary finned tube exchanger (6), water tank (5) and pipeline, accessory series connection, backwater magnetic valve (15), backwater water pump (13), auxiliary finned tube exchanger (6), water tank (5) and pipeline, accessory series connection, water tank (5), auxiliary heat exchanger water supply electromagnetic valve (12), backwater water pump (13), auxiliary finned tube exchanger (6), constant temperature water pump (11), main finned tube exchanger (7) and pipeline, accessory series connection, the cold water water flow sensor of flowing through, auxiliary finned tube exchanger, constant temperature water pump, main finned tube exchanger and pipeline, accessory flows into an auxiliary heat absorption circulation of water tank composition, and backwater is through backwater magnetic valve, backwater water pump, auxiliary finned tube exchanger, constant temperature water pump, main finned tube exchanger and pipeline, accessory flows into water tank and forms another auxiliary heat absorption circulation, and the current of water tank bottom are through auxiliary heat exchanger water supply electromagnetic valve, backwater water pump, auxiliary finned tube exchanger, constant temperature water pump, main finned tube exchanger and pipeline, accessory flows into the another auxiliary heat absorption circulation of water tank composition, and during main heat absorption periodic duty, the above auxiliary heat absorption in Zong You mono-Huo Yi road, road circulates in work.
2. a central heating heat storage type gas water-heating furnace, includes by constant temperature water pump (11), main finned tube exchanger (7), water tank (5) and pipeline, the main heat absorption circulation of accessory composition, is characterized in that: air blast (9) is positioned in the passage of closed type hot switch room (1) and closed inlet plenum (2), water flow sensor (14), auxiliary finned tube exchanger (6), water tank drainpipe (27), water tank (5) and pipeline, accessory series connection, backwater magnetic valve (15), backwater water pump (13), auxiliary finned tube exchanger (6), water tank drainpipe (27), water tank (5) and pipeline, accessory series connection, auxiliary heat exchanger water supply electromagnetic valve (12), backwater water pump (13), auxiliary finned tube exchanger (6), water tank drainpipe (27), water tank (5) and pipeline, accessory series connection, water tank recycling outlet (25), constant temperature water pump (11), main finned tube exchanger (7), water tank circulation water inlet pipe (24) and pipeline, accessory series connection, the cold water water flow sensor of flowing through, auxiliary finned tube exchanger, water tank drainpipe and pipeline, accessory flows into water tank and forms an auxiliary heat absorption circulation, the backwater backwater magnetic valve of flowing through, backwater water pump, auxiliary finned tube exchanger, water tank drainpipe and pipeline, accessory flows into water tank and forms another auxiliary heat absorption circulation, and the current of water tank bottom are through auxiliary heat exchanger water supply electromagnetic valve, backwater water pump, auxiliary finned tube exchanger, water tank drainpipe and pipeline, accessory flows into the another auxiliary heat absorption circulation of water tank composition, and during main heat absorption periodic duty, the above auxiliary heat absorption in Zong You mono-Huo Yi road, road circulates in work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110065214.3A CN102384584B (en) | 2010-08-25 | 2011-03-12 | Heat-storage type gas water heating stove for central heating |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020503011.9 | 2010-08-25 | ||
| CN201020503011 | 2010-08-25 | ||
| CN201110065214.3A CN102384584B (en) | 2010-08-25 | 2011-03-12 | Heat-storage type gas water heating stove for central heating |
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| Publication Number | Publication Date |
|---|---|
| CN102384584A CN102384584A (en) | 2012-03-21 |
| CN102384584B true CN102384584B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110065214.3A Expired - Fee Related CN102384584B (en) | 2010-08-25 | 2011-03-12 | Heat-storage type gas water heating stove for central heating |
| CN2011200720127U Expired - Fee Related CN202048670U (en) | 2010-08-25 | 2011-03-12 | Concentrative heat supply and storage type fuel-gas hot water furnace |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200720127U Expired - Fee Related CN202048670U (en) | 2010-08-25 | 2011-03-12 | Concentrative heat supply and storage type fuel-gas hot water furnace |
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| CN (2) | CN102384584B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735097A (en) * | 2012-07-12 | 2012-10-17 | 夏致俊 | Heat storage medium flow adjustable constant heat-release device |
| CN106152488A (en) * | 2016-08-24 | 2016-11-23 | 益阳玛山产业机械有限公司 | Two-chamber replaces heated type constant-temperature hot water supply unit |
| CN108061374B (en) * | 2017-07-26 | 2023-11-21 | 宁波方太厨具有限公司 | Dual-purpose gas constant temperature water heater for direct drinking water and bath |
| CN110220299A (en) * | 2019-07-18 | 2019-09-10 | 石朝权 | A kind of control method of gas and hot water equipment and gas and hot water equipment |
| CN117781480A (en) * | 2022-09-20 | 2024-03-29 | 佛山市云米电器科技有限公司 | Adaptive heating control method and device for water heater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489263Y (en) * | 2001-07-13 | 2002-05-01 | 湛江诺科燃气具有限公司 | Domestic automatic gas water heater |
| CN2529130Y (en) * | 2002-01-15 | 2003-01-01 | 李文伟 | Gas boiler with electrothermal insulating device |
| CN2622609Y (en) * | 2003-05-07 | 2004-06-30 | 朱敏 | Gas heating wall stove with auto temp control |
| JP2008170095A (en) * | 2007-01-12 | 2008-07-24 | Takagi Ind Co Ltd | Heat source apparatus, drain treatment method thereof, and drain treatment program thereof |
| CN201104017Y (en) * | 2007-08-30 | 2008-08-20 | 广东万和集团有限公司 | Standing water storage type warming/ water heating gas dual-purpose furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3289443B2 (en) * | 1993-10-29 | 2002-06-04 | 株式会社ノーリツ | Hot water heating system |
-
2011
- 2011-03-12 CN CN201110065214.3A patent/CN102384584B/en not_active Expired - Fee Related
- 2011-03-12 CN CN2011200720127U patent/CN202048670U/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489263Y (en) * | 2001-07-13 | 2002-05-01 | 湛江诺科燃气具有限公司 | Domestic automatic gas water heater |
| CN2529130Y (en) * | 2002-01-15 | 2003-01-01 | 李文伟 | Gas boiler with electrothermal insulating device |
| CN2622609Y (en) * | 2003-05-07 | 2004-06-30 | 朱敏 | Gas heating wall stove with auto temp control |
| JP2008170095A (en) * | 2007-01-12 | 2008-07-24 | Takagi Ind Co Ltd | Heat source apparatus, drain treatment method thereof, and drain treatment program thereof |
| CN201104017Y (en) * | 2007-08-30 | 2008-08-20 | 广东万和集团有限公司 | Standing water storage type warming/ water heating gas dual-purpose furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102384584A (en) | 2012-03-21 |
| CN202048670U (en) | 2011-11-23 |
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