CN102003834B - Multifunctional air source hot water and air conditioning heat pump unit - Google Patents
Multifunctional air source hot water and air conditioning heat pump unit Download PDFInfo
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- CN102003834B CN102003834B CN 201010554386 CN201010554386A CN102003834B CN 102003834 B CN102003834 B CN 102003834B CN 201010554386 CN201010554386 CN 201010554386 CN 201010554386 A CN201010554386 A CN 201010554386A CN 102003834 B CN102003834 B CN 102003834B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 238000004378 air conditioning Methods 0.000 title abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 13
- 239000003507 refrigerant Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract description 18
- 238000005057 refrigeration Methods 0.000 abstract description 15
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 11
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
The invention discloses a multifunctional air source and air conditioning heat pump unit. A compressor, a four-way valve, an outdoor heat exchanger, a first throttling capillary, an air conditioning heat exchanger, a third valve, a second throttling capillary, a hot water heat exchanger and a first valve are sequentially connected by virtue of a refrigerating fluid pipeline, a second valve is connected with the two ends of a pipe section including the third valve, the second throttling capillary, the hot water heat exchanger and the first valve in parallel, a fourth valve is connected with the two ends of a pipe section including the third valve and the second throttling capillary in parallel, a fifth valve is connected with the two ends of the first throttling capillary in parallel, one side of the outdoor heat exchanger is provided with a fan, and one side of the hot water heat exchanger and one side of the air conditioning heat exchanger are respectively provided with a hot water pump and an air conditioning water pump. By adopting the unit of the invention, low grade heat energy in the air can be utilized all the year around, five operational modes of independent refrigeration, independent heating, independent domestic hot water production, refrigeration and domestic hot water production as well as heating and domestic hot water production are realized, utilization ratio and regulating performance of product are improved, and energy saving and environmental protection are realized.
Description
Technical field
The present invention relates to the steam compression type refrigerating field of air conditioning, relate in particular to a kind of vapor compression heat pump unit that utilizes air can freeze, heat and provide the domestic hot-water.
Background technology
Air source heat pump adopts low-grade energy in the recycling outside atmosphere of steam compression type refrigerating for air-conditioning system provides the heat power equipment of Cooling and Heat Source, is widely used in dwelling house and commercial building.Heat pump assembly can be produced the hot water or cold water and pass through air conditioning terminal as medium, perhaps directly carries hot and cold wind to the room, and needed hot and cold amount is provided to the room, thereby guarantees the thermal comfort in room.When summer cooling moves, in the room cooling, a large amount of condensation heat is discharged in the outside atmosphere environment and go, cause possible energy loss, also cause the thermal pollution of environment.
Because growth in the living standard is also more and more to domestic hot-water's demand, also hot-water boiler, gas heater or electric heater need be set in general family or the commercial building, increases Architectural Equipment cost and operating cost.Teat pump boiler also is to utilize the steam compression type refrigerating circulation to extract low grade heat energy from outside atmosphere to produce the domestic hot-water, also is promoted gradually at present.
Heat pump assembly and hot water apparatus are housed in dwelling house or the commercial building simultaneously, have increased cost of equipment, taken up room and operating cost.Especially heat pump air conditioner has identical operation principle with Teat pump boiler, has very strong repeatability.Needs for realizing that heat pump can satisfy refrigeration, heat can provide the domestic hot-water again, thereby improve the utilization rate of equipment, since late 1970s, just have document to carry out relevant research work.But because this type of heat pump structure and control are complicated, operational reliability reduces, the actual motion effect is unsatisfactory.
Summary of the invention
Goal of the invention: the objective of the invention is provides a kind of Multi-functional air-source hot water and air conditioner and heat pump unit for the deficiencies in the prior art, the utilization of low-grade energy in the recovery of realization condensation waste heat and the outdoor air, the domestic hot-water be freezed, be heated and provide to realization can by annual reliability service, reduce the cost of source pump, improve utilization rate and the operational efficiency of source pump.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution used in the present invention is:
A kind of Multi-functional air-source hot water and air conditioner and heat pump unit, the compressor that is linked in sequence by refrigerant line, cross valve, outdoor heat exchanger, the first throttle capillary, air-condition heat exchanger, the 3rd valve, the second throttle capillary tube, hot water heat exchanger, the first valve, at the 3rd valve, throttle capillary tube, these pipeline section two ends of hot water heat exchanger and the first valve are parallel with the second valve, be parallel with the 4th valve at the 3rd valve and these pipeline section two ends of the second throttle capillary tube, be parallel with the 5th valve at first throttle capillary two ends, one side of outdoor heat exchanger is provided with blower fan, and a side of hot water heat exchanger and air-condition heat exchanger is respectively arranged with hot water water pump and water pump of air conditioner.Can realize separate refrigeration, heat separately, separately domestic hot-water processed, refrigeration and domestic hot-water, heat five kinds of operational modes with the domestic hot-water.
Described the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve can be manually-operated gate or electrically operated valve.
Wherein, described the first valve and described the second valve substitute with a three-way valve.
Wherein, described three-way valve is manually-operated gate, electrically operated valve or motor regulated valve.
Wherein, described compressor is that constant volume compressor or variable conpacitance compressor variable conpacitance compressor group can be the simultaneously variable compressor of variable speed compressor, variable compressor and rotating speed and discharge capacity.
Wherein, described Multi-functional air-source hot water and air conditioner and heat pump unit can be monoblock type unit or the split type unit that is made of indoor set and off-premises station.
Wherein, described water pump of air conditioner and described hot water water pump are constant speed pump, speed-variable pump or variable delivery pump.
Wherein, described blower fan is for deciding rotating speed blower fan or variable rotating speed fan.
Wherein, described hot water heat exchanger and described air-condition heat exchanger are plate type heat exchanger, double pipe heat exchanger, shell and tube exchanger.
Wherein, described outdoor heat exchanger is finned tube heat exchanger or parallel-flow heat exchanger.
Beneficial effect:
Technique scheme of the present invention compared with prior art has following advantage: compare with air source hot pump water heater with the air source heat pump of routine, the present invention has improved utilization rate and the energy use efficiency of air source heat pump system, can utilize the whole year air source heat pump to freeze, heat and the domestic hot-water is provided, have the advantages such as comfortable, energy-conserving and environment-protective, simple in structure, highly versatile, controllability are strong.
Description of drawings
Fig. 1 is the structural representation of the first embodiment of Multi-functional air-source hot water of the present invention and air conditioner and heat pump unit;
Fig. 2 is the structural representation of the second embodiment of Multi-functional air-source hot water of the present invention and air conditioner and heat pump unit.
Wherein, 1: off-premises station; 2: blower fan; 3: compressor; 4: cross valve; 5: outdoor heat exchanger; 6: the five valves; 7: the first throttle capillary; 8: the first valves; 9: the second throttle capillary tubes; 10: hot water heat exchanger; 11: the hot water water pump; 12: indoor set; 13: the second valves; 14: the three valves; 15: the four valves; 16: air-condition heat exchanger; 17: water pump of air conditioner; 18: three-way valve
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Embodiment one
As shown in Figure 1, the structural representation of the first embodiment of Multi-functional air-source hot water of the present invention and air conditioner and heat pump unit, comprise: the compressor 3 that is linked in sequence by refrigerant line, cross valve 4, outdoor heat exchanger 5, first throttle capillary 7, air-condition heat exchanger 16, the 3rd valve 14, the second throttle capillary tube 9, hot water heat exchanger 10, the first valve 8, at the 3rd valve 14, the second throttle capillary tube 9, hot water heat exchanger 10 and the first valve 8 these pipeline section two ends are parallel with the second valve 13, be parallel with the 4th valve 15 at the 3rd valve 14 and the second throttle capillary tube 9 these pipeline section two ends, be parallel with the 5th valve 6 at first throttle capillary 7 two ends, one side of outdoor heat exchanger is provided with blower fan 2, and a side of hot water heat exchanger 10 and air-condition heat exchanger 16 is respectively arranged with hot water water pump 11 and water pump of air conditioner 17.Can realize separate refrigeration, heat separately, separately domestic hot-water processed, refrigeration and domestic hot-water, heat and five kinds of operational modes such as domestic hot-water.
The Multi-functional air-source hot water of present embodiment and air conditioner and heat pump unit are when the separate refrigeration mode operation, cross valve 4 is that a mouth is communicated with the c mouth by the refrigeration modes operation, the b mouth is communicated with the d mouth, the first valve 8, the 3rd valve 14, the 4th valve 15 and the 5th valve 6 are closed, the second valve 13 is opened, hot water water pump 11 cuts out, and water pump of air conditioner 17 is opened, blower fan 2 is opened.From compressor 3 exhaust outlets high temperature and high pressure gaseous refrigerant out through a of cross valve 4 mouth to the c mouth, flow into again outdoor heat exchanger 5, in outdoor heat exchanger 5, be condensed into high temperature high pressure liquid to the air heat release, 7 throttlings become the low-temp low-pressure gas-liquid two-phase fluid through the first throttle capillary again, then flowing into air-condition heat exchanger 16 absorbing heat from air-conditioner circulating water realizes the purpose of refrigeration and is evaporated to low-pressure gas, get back to the b mouth of cross valve 4 to the d mouth through the second valve 13 again, return the air entry of compressor 3, finish the steam compression type refrigerating circulation, realize utilizing the purpose that low grade heat energy freezes to air conditioner water in the outdoor air.
The Multi-functional air-source hot water of present embodiment and air conditioner and heat pump unit are when heating mode moves separately, it is that a mouth is communicated with the b mouth that cross valve 4 moves by the mode of heating, the c mouth is communicated with the d mouth, the first valve 8, the 3rd valve 14, the 4th valve 15 and the 5th valve 6 are closed, the second valve 13 is opened, hot water water pump 11 cuts out, and water pump of air conditioner 17 is opened, blower fan 2 is opened.From compressor 3 exhaust outlets high temperature and high pressure gaseous refrigerant out through a of cross valve 4 mouth to the b mouth, flow to air-condition heat exchanger 16 through the second valve 13 again, be condensed into high temperature high pressure liquid after heating therein air conditioner water, 7 throttlings become the low-temp low-pressure gas-liquid two-phase fluid through the first throttle capillary again, then flow into outdoor heat exchanger 5 absorbing heat from outdoor air and be evaporated to low-pressure gas, pass through again the c mouth of cross valve 4 to the d mouth, return the air entry of compressor 3, finish the steam compression type refrigerating circulation, realize utilizing the purpose that low grade heat energy heats to air conditioner water in the outdoor air.
The Multi-functional air-source hot water of present embodiment and air conditioner and heat pump unit are when independent domestic hot-water's mode operation processed, it is that a mouth is communicated with the b mouth that cross valve 4 moves by the mode of heating, the c mouth is communicated with the d mouth, the first valve 8 and the 4th valve 15 are opened, the second valve 13, the 3rd valve 14 and the 5th valve 6 are closed, hot water water pump 11 is opened, and water pump of air conditioner 17 is closed, blower fan 2 is opened.From compressor 3 exhaust outlets high temperature and high pressure gaseous refrigerant out through a of cross valve 4 mouth to the b mouth, flow to hot water heat exchanger 10 through the first valve 8 again, be condensed into high temperature high pressure liquid after heating therein the domestic hot-water, through the 4th valve 15 and air-condition heat exchanger 16, because water pump of air conditioner 17 is closed, hardly heat exchange in air-condition heat exchanger 16,7 throttlings become the low-temp low-pressure gas-liquid two-phase fluid through the first throttle capillary again, then flow into outdoor heat exchanger 5 absorbing heat and be evaporated to low-pressure gas from air, return again the air entry of compressor 3 through cross valve 4, finish the steam compression type refrigerating circulation, realize utilizing the purpose of low grade heat energy heating domestic hot-water in the outdoor air.
The Multi-functional air-source hot water of present embodiment and air conditioner and heat pump unit are when heating with domestic hot-water's mode operation, it is that a mouth is communicated with the b mouth that cross valve 4 moves by the mode of heating, the c mouth is communicated with the d mouth, the first valve 8 and the 4th valve 15 are opened, the second valve 13, the 3rd valve 14 and the 5th valve 6 are closed, and hot water water pump 11 and water pump of air conditioner 17 are opened, blower fan 2 is opened.From compressor 3 exhaust outlets high temperature and high pressure gaseous refrigerant out through a of cross valve 4 mouth to the b mouth, flow to hot water heat exchanger 10 through the first valve 8 again, heat therein the domestic hot-water rear section and be condensed into high temperature high pressure liquid, again through the 4th valve 15 with enter air-condition heat exchanger 16, heat therein air conditioner water and all be condensed into high temperature high pressure liquid, 7 throttlings become the low-temp low-pressure gas-liquid two-phase fluid through the first throttle capillary again, then flow into outdoor heat exchanger 5 absorbing heat and be evaporated to low-pressure gas from air, pass through again the c mouth of cross valve 4 to the d mouth, return the air entry of compressor 3, finish steam compression type refrigerating circulation, realize utilizing the purpose of low grade heat energy heating air conditioner water and domestic hot-water in the outdoor air.
The Multi-functional air-source hot water of present embodiment and air conditioner and heat pump unit are when refrigeration and domestic hot-water's mode operation, it is that a mouth is communicated with the b mouth that cross valve 4 moves by the mode of heating, the c mouth is communicated with the d mouth, the first valve 8, the 3rd valve 14 and the 5th valve 6 are opened, the second valve 13, the 4th valve 15 are closed, and hot water water pump 11 and water pump of air conditioner 17 are opened, blower fan 2 cuts out.From compressor 3 exhaust outlets high temperature and high pressure gaseous refrigerant out through a of cross valve 4 mouth to the b mouth, flow to hot water heat exchanger 10 through the first valve 8 again, be condensed into high temperature high pressure liquid after heating therein the domestic hot-water, again through becoming the low-temp low-pressure gas-liquid two-phase fluid after 9 throttlings of the second throttle capillary tube, then through the 3rd valve 14 with enter air-condition heat exchanger 16, cool off therein air conditioner water and be evaporated to low-pressure gas, again through the 5th valve 6 and outdoor heat exchanger 5 (because blower fan 2 cuts out, hardly heat exchange in outdoor heat exchanger 5), pass through again the c mouth of cross valve 4 to the d mouth, return the air entry of compressor 3, finish the steam compression type refrigerating circulation, reclaim condensation waste heat heating domestic hot-water's purpose when being implemented in refrigeration.Under this pattern, when cooling load hour, can partly open blower fan 2, outdoor heat exchanger 5 utilizes the condensation waste heat of refrigeration and outdoor low-grade heat source to realize heating domestic hot-water's purpose also as evaporimeter simultaneously.
In the Multi-functional air-source hot water and air conditioner and heat pump unit of present embodiment, water pump of air conditioner 17 and hot water water pump 11 can be constant speed pump, speed-variable pump or variable delivery pump.
In the Multi-functional air-source hot water and air conditioner and heat pump unit of present embodiment, blower fan 2 is to decide rotating speed blower fan or variable rotating speed fan.
In the Multi-functional air-source hot water and air conditioner and heat pump unit of present embodiment, hot water heat exchanger 10 and air-condition heat exchanger 16 can be plate type heat exchanger, double pipe heat exchanger, shell and tube exchanger etc.
In the Multi-functional air-source hot water and air conditioner and heat pump unit of present embodiment, outdoor heat exchanger 2 can be finned tube heat exchanger or parallel-flow heat exchanger.
In the Multi-functional air-source hot water and air conditioner and heat pump unit of present embodiment, the first valve 8, the second valve 13, the 3rd valve 14, the 4th valve 15 and the 5th valve 6 can be manually-operated gate or electrically operated valve.
In the Multi-functional air-source hot water and air conditioner and heat pump unit of present embodiment, can make integrated system or split type system, be about to compressor 3, cross valve 4, blower fan 2, outdoor heat exchanger 5, first throttle capillary 7 and the 5th valve 6 are made off-premises station 1, and with hot water heat exchanger 10, hot water water pump 11, air-condition heat exchanger 16, water pump of air conditioner 17, the first valve 8, the second valve 13, the 3rd valve 14, the 4th valve 15, the second throttle capillary tube 9 is made indoor set 12, off-premises station 1 is connected with indoor set and is connected by refrigerant line, can conveniently install, and off-premises station can share with common heat pump air conditioner.
Embodiment two
As shown in Figure 2, structural representation for the second embodiment of Multi-functional air-source hot water of the present invention and air conditioner and heat pump unit, this embodiment is the improvement modification to the first embodiment, wherein, the first valve 8 and the second valve 13 in the Multi-functional air-source hot water of the first embodiment and the air conditioner and heat pump unit are replaced by three-way valve 18, by the minimizing of valve quantity, can simplify structure and the control of system.
Under separate refrigeration and independent heating mode, the o mouth of three-way valve 18 and n mouth are communicated with, and o mouth and m mouth are closed, and the method for operation of miscellaneous part is constant.And separately domestic hot-water processed, refrigeration and domestic hot-water, heat with domestic hot-water's pattern under, the o mouth of three-way valve 18 and the connection of m mouth, o mouth and n mouth are closed, other methods of operation are constant.Three-way valve 18 also can be motor regulated valve, heat with domestic hot-water's pattern under, the o mouth is communicated with simultaneously with m mouth and n mouth, can change the distribution of hot water heating capacity and air-conditioning heating amount by the adjusting of valve.
In the Multi-functional air-source hot water and air conditioner and heat pump unit of present embodiment, triple valve 18 can be manually-operated gate, electrically operated valve or motor regulated valve.
Claims (10)
1. a Multi-functional air-source hot water and air conditioner and heat pump unit, it is characterized in that: the compressor (3) that is linked in sequence by refrigerant line, cross valve (4), outdoor heat exchanger (5), first throttle capillary (7), air-condition heat exchanger (16), the 3rd valve (14), the second throttle capillary tube (9), hot water heat exchanger (10), the first valve (8), in the 3rd valve (14), the second throttle capillary tube (9), hot water heat exchanger (10) and these pipeline section two ends of the first valve (8) are parallel with the second valve (13), be parallel with the 4th valve (15) at the 3rd valve (14) and these pipeline section two ends of the second throttle capillary tube (9), be parallel with the 5th valve (6) at first throttle capillary two ends, one side of outdoor heat exchanger (5) is provided with blower fan (2), and a side of hot water heat exchanger (10) and air-condition heat exchanger (16) is respectively arranged with hot water water pump (11) and water pump of air conditioner (17).
2. Multi-functional air-source hot water according to claim 1 and air conditioner and heat pump unit, it is characterized in that: described the first valve (8), the second valve (13), the 3rd valve (14), the 4th valve (15), the 5th valve (6) are manually-operated gate or electrically operated valve.
3. Multi-functional air-source hot water according to claim 1 and air conditioner and heat pump unit is characterized in that: described the first valve (8) and described the second valve (13) substitute with a three-way valve.
4. Multi-functional air-source hot water according to claim 3 and air conditioner and heat pump unit, it is characterized in that: described three-way valve is manually-operated gate, electrically operated valve or motor regulated valve.
5. according to claim 1 or Multi-functional air-source hot water claimed in claim 3 and air conditioner and heat pump unit, it is characterized in that: described compressor (3) is constant volume compressor or variable conpacitance compressor.
6. it is characterized in that according to claim 1 or Multi-functional air-source hot water claimed in claim 3 and air conditioner and heat pump unit: described Multi-functional air-source hot water and air conditioner and heat pump unit are monoblock type unit or the split type unit that is made of indoor set and off-premises station.
7. according to claim 1 or Multi-functional air-source hot water claimed in claim 3 and air conditioner and heat pump unit, it is characterized in that: described water pump of air conditioner (17) and described hot water water pump (11) are constant speed pump, speed-variable pump or variable delivery pump.
8. it is characterized in that according to claim 1 or Multi-functional air-source hot water claimed in claim 3 and air conditioner and heat pump unit: described blower fan (2) is for deciding rotating speed blower fan or variable rotating speed fan.
9. according to claim 1 or Multi-functional air-source hot water claimed in claim 3 and air conditioner and heat pump unit, it is characterized in that: described hot water heat exchanger (10) and described air-condition heat exchanger (16) are plate type heat exchanger, double pipe heat exchanger or shell and tube exchanger.
10. according to claim 1 or Multi-functional air-source hot water claimed in claim 3 and air conditioner and heat pump unit, it is characterized in that: described outdoor heat exchanger (5) is finned tube heat exchanger or parallel-flow heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010554386 CN102003834B (en) | 2010-11-23 | 2010-11-23 | Multifunctional air source hot water and air conditioning heat pump unit |
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| CN 201010554386 CN102003834B (en) | 2010-11-23 | 2010-11-23 | Multifunctional air source hot water and air conditioning heat pump unit |
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| CN102003834A CN102003834A (en) | 2011-04-06 |
| CN102003834B true CN102003834B (en) | 2013-01-09 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102519173B (en) * | 2011-12-31 | 2014-01-22 | 广东欧科空调制冷有限公司 | Air conditioning system capable of partial heat recovering and total heat recovering |
| CN103712370B (en) * | 2013-12-23 | 2016-06-22 | 南京迪泽尔空调设备有限公司 | A kind of air source heat pump system |
| CN105650941A (en) * | 2014-03-24 | 2016-06-08 | 张明 | Independent refrigerating procedure of heat pump and hot water heating combined system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2844771Y (en) * | 2005-09-13 | 2006-12-06 | 李国强 | Water heater for multiple-controlled composite air conditioner |
| CN2859383Y (en) * | 2005-11-21 | 2007-01-17 | 江苏天舒电器有限公司 | Integrated hot-water multipurpose machine with cool/hot water air-conditioning heat pump |
| CN101566403A (en) * | 2009-05-27 | 2009-10-28 | 广东美的电器股份有限公司 | Multiple heat pump air-conditioning water heater |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6213942A (en) * | 1985-07-09 | 1987-01-22 | Kubota Ltd | Air conditioning heat pump for greenhouse |
| JP2005299935A (en) * | 2004-04-06 | 2005-10-27 | Fujitsu General Ltd | Air conditioner |
| CN202057111U (en) * | 2010-11-23 | 2011-11-30 | 扬州碧源空调设备有限公司 | Multifunctional air source hot water and air-conditioning heat pump unit |
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2010
- 2010-11-23 CN CN 201010554386 patent/CN102003834B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2844771Y (en) * | 2005-09-13 | 2006-12-06 | 李国强 | Water heater for multiple-controlled composite air conditioner |
| CN2859383Y (en) * | 2005-11-21 | 2007-01-17 | 江苏天舒电器有限公司 | Integrated hot-water multipurpose machine with cool/hot water air-conditioning heat pump |
| CN101566403A (en) * | 2009-05-27 | 2009-10-28 | 广东美的电器股份有限公司 | Multiple heat pump air-conditioning water heater |
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| Title |
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| JP昭62-13942A 1987.01.22 |
| JP特开2005-299935A 2005.10.27 |
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Effective date of registration: 20210415 Address after: 225000 Laoshan village, Ganquan street, Hanjiang District, Yangzhou City, Jiangsu Province Patentee after: YANGZHOU BIYUAN CIVIL AIR DEFENSE ENGINEERING Co.,Ltd. Address before: 225127 No. 217 West Development Road, Jiangsu, Yangzhou Patentee before: YANGZHOU BIYUAN AIR-CONDITIONING EQUIPMENT Co.,Ltd. |
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Denomination of invention: Multi functional air source hot water and air conditioning heat pump unit Granted publication date: 20130109 Pledgee: Ganquan sub branch of Jiangsu Yangzhou Rural Commercial Bank Co.,Ltd. Pledgor: YANGZHOU BIYUAN CIVIL AIR DEFENSE ENGINEERING Co.,Ltd. Registration number: Y2024980012547 |
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