CN101619877A - Coupled water tank type ultra-low temperature air source heat pump air conditioner - Google Patents
Coupled water tank type ultra-low temperature air source heat pump air conditioner Download PDFInfo
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- CN101619877A CN101619877A CN200910075054A CN200910075054A CN101619877A CN 101619877 A CN101619877 A CN 101619877A CN 200910075054 A CN200910075054 A CN 200910075054A CN 200910075054 A CN200910075054 A CN 200910075054A CN 101619877 A CN101619877 A CN 101619877A
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- heat pump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The invention relates to a coupled water tank type ultra-low temperature air source heat pump air conditioner comprising an air source heat pump, an artificial source heat pump and an air conditioner output loop, wherein a coupled water tank is arranged between the air source heat pump and the artificial source heat pump, the coupled water tank is in series connection with a front-level output water circulating pump and a front-level output heat exchanger to form an air source heat pump output loop, the coupled water tank is in series connection with a rear-level input water circulating pump and a rear-level input heat exchanger to form an artificial source heat pump output loop, and the coupled water tank is in series connection with an air conditioner fan coil and an air conditioner output water circulating pump to form a single-level heating and single-level cooling air conditioner output loop. The air source heat pump and the artificial source heat pump work simultaneously to heat at ultra-low temperature below 17 DEG C; the air source heat pump works in a single level to heat at low temperature above -7 DEG C and cool in summer, and the air source heat pump is matched with the single-level heating air conditioner output loop to defrost. The coupled water tank type ultra-low temperature air source heat pump air conditioner has high energy efficiency ratio, simple structure, low cost as well as convenient popularization and application.
Description
Technical field
The present invention relates to air source heat pump air-conditioner, be specifically related to a kind of coupled water tank type ultra-low temperature air source heat pump air conditioner.
Background technology
In order to make air source heat pump air-conditioner need not assist heating and effectively operation at the ultra-low temperature surroundings below-7 ℃, prior art adopts the overlapping air source heat pump system, promptly is made of the two levels of thermal pumping system of overlapping prime air source heat pump and back level artificial source heat pump.This cascade type heat pump system since inconvenience realize changing to the single-stage operation of heat pump by the double stage heat pump operation, therefore no matter outdoor environment temperature height, winter heating freeze summer, cooperate operation jointly by the front and back stages heat pump, cause the air-conditioning system operational energy efficiency than low, and complex structure, the system cost height is difficult to become practical air source heat pump air-conditioner product promotion and uses.
Summary of the invention
The objective of the invention is at the problems referred to above, provide a kind of can be at the efficient heating operation of the ultra-low temperature surroundings below-7 ℃, and be easy to realize by the double stage heat pump operation to the conversion of single-stage operation of heat pump, and simple in structure, cost is low, the coupled water tank type ultra-low temperature air source heat pump air conditioner that is easy to apply.
The technical scheme that realizes above-mentioned purpose is: a kind of coupled water tank type ultra-low temperature air source heat pump air conditioner, it includes the prime refrigeration compressor that connects by successively, four-way change-over valve, prime output heat exchanger, the air source heat pump loop that prime expansion valve and air heat exchanger are formed and by the back grade of refrigeration compressor that is connected successively, back level output heat exchanger, artificial source's heat pump circuit that back level expansion valve and back level input heat exchanger are formed, the secondary terminals series connection air-conditioning output water circulating pump and the air-conditioning draught fan coil pipe of described back level output heat exchanger are formed artificial source's heat pump air conditioner output loop, between air source heat pump and artificial source's heat pump, be provided with coupled water tank, this coupled water tank is connected with the secondary terminals of prime output water circulating pump and prime output heat exchanger and is constituted the air source heat pump output loop, this coupled water tank is connected with the once end of back level input water circulating pump and back level input heat exchanger again and is constituted artificial source's heat pump input circuit, this coupled water tank formation single-stage of also connect with air-conditioning output water circulating pump and air-conditioning draught fan coil pipe heats and single-stage refrigeration air-conditioner output loop, in artificial source's heat pump air conditioner output loop, be provided with artificial source's heat pump air conditioner output loop on-off valve between air-conditioning output water circulating pump and the back level output heat exchanger, single-stage heat and single-stage refrigeration air-conditioner output loop in export in air-conditioning and to be provided with single-stage between water circulating pump and the coupled water tank and to heat and single-stage refrigeration air-conditioner output loop on-off valve.
Technical scheme of the present invention also comprises: the suction end at described prime refrigeration compressor is connected with solar heat exchanger, the secondary terminals of this solar heat exchanger is connected in the air source heat pump loop, and the once end series-connected solar water circulating pump of this solar heat exchanger, solar thermal collector and solar energy heat-storage water pot constitute the auxiliary companion of solar energy hot loop.
Above-mentioned artificial source's heat pump air conditioner output loop on-off valve, single-stage heats and single-stage refrigeration air-conditioner output loop on-off valve is an electrically operated valve.
Above-mentioned coupled water tank and solar energy heat-storage water pot are the heat preserved water can that is provided with heat-insulation layer.
The present invention has disposed simple in structure, a cheap coupled water tank between prime heat pump and back level heat pump, by the recirculated water coupled and heat-exchange, make the air source heat pump air-conditioner can be at the efficient heating operation of ultra-low temperature surroundings below-7 ℃, and be easy to realize that converting the single-stage heat pump to by the double stage heat pump operation heats and refrigerating operaton, have the high characteristics of the whole Energy Efficiency Ratio of operation, and system architecture is simple, cheap, and is easy to utilize.
The present invention can further improve the energy-saving effect of heat pump air conditioner by the suction end assembling solar energy extraction element at preceding stage compressor.
Description of drawings
Fig. 1 is this coupled water tank type ultra-low temperature air source heat pump air conditioner structural representation;
Fig. 2 is the coupled water tank type ultra-low temperature air source heat pump air conditioner structural representation that disposes the solar energy extraction element.
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present invention is described.
As accompanying drawing 1, this coupled water tank type ultra-low temperature air source heat pump air conditioner includes the prime refrigeration compressor 1 that connects by successively, four-way change-over valve 2, prime output heat exchanger 3, the air source heat pump loop that prime expansion valve 4 and air heat exchanger 5 formed and by the back grade of refrigeration compressor 8 that is connected successively, back level output heat exchanger 9, artificial source's heat pump circuit that back level expansion valve 10 and back level input heat exchanger 11 are formed, the secondary terminals series connection air-conditioning output water circulating pump 15 and the air-conditioning draught fan coil pipe 16 of described back level output heat exchanger 9 are formed artificial source's heat pump air conditioner output loop, between air source heat pump and artificial source's heat pump, dispose the coupled water tank 6 of band heat-insulation layer, coupled water tank 6 and prime output water circulating pump 7, the secondary terminals series connection of prime output heat exchanger 3 constitutes the air source heat pump output loop, coupled water tank 6 is connected with the once end of back level input water circulating pump 12 and back level input heat exchanger 11 and is constituted artificial source's heat pump input circuit, coupled water tank 6 and air-conditioning output water circulating pump 15 and the air-conditioning draught fan coil pipe 16 formation single-stage of connect heats and single-stage refrigeration air-conditioner output loop, in artificial source's heat pump air conditioner output loop, between the secondary terminals of air-conditioning output water circulating pump 15 and back level output heat exchanger 9, be provided with artificial source's heat pump air conditioner output loop on-off valve 13, single-stage heat and single-stage refrigeration air-conditioner output loop in export in air-conditioning and to be provided with single-stage between water circulating pump 15 and the coupled water tank 6 and to heat and single-stage refrigeration air-conditioner output loop on-off valve 14.
Accompanying drawing 1 is to have increased the solar energy extraction element in system with the difference of accompanying drawing 2, it is that suction end at prime refrigeration compressor 1 is connected with solar heat exchanger 17, the secondary terminals of this solar heat exchanger 17 is connected in the air source heat pump loop, and the once end series-connected solar water circulating pump 18 of this solar heat exchanger 17, solar thermal collector 19 and solar energy heat-storage heat preserved water can 20 constitute the auxiliary companion of solar energy hot loop.
When the present invention moves at ultra-low temperature surroundings below-7 ℃, air source heat pump and artificial source's heat pump start simultaneously, heat energy by the output of artificial source's heat pump air conditioner output loop, is realized the heating air-conditioner operation under the ultra-low temperature surroundings through coupled water tank and the transmission of coupling water-flow circuit between the two-stage heat pump.When low temperature environment more than-7 ℃ moves, provide heating hot water by the air source heat pump isolated operation, through coupled water tank and the output of single-stage cooling/heating air conditioner output loop, realize the operation of single-stage heating air-conditioner.In summer during refrigerating operaton, provide chilled water by the air source heat pump isolated operation equally, by coupled water tank and the output of single-stage refrigeration air-conditioner output loop, realize the operation of single-stage refrigeration air-conditioner.Defrost operation of the present invention cooperates single-stage cooling/heating air conditioner output loop to finish by coupled water tank with the air source heat pump loop.
Claims (5)
1, a kind of coupled water tank type ultra-low temperature air source heat pump air conditioner, include the prime refrigeration compressor (1) that connects by successively, four-way change-over valve (2), prime output heat exchanger (3), the air source heat pump loop that prime expansion valve (4) and air heat exchanger (5) are formed and by the back grade of refrigeration compressor (8) that is connected successively, back level output heat exchanger (9), artificial source's heat pump circuit that back level expansion valve (10) and back level input heat exchanger (11) are formed, the secondary terminals series connection air-conditioning output water circulating pump (15) and the air-conditioning draught fan coil pipe (16) of described back level output heat exchanger (9) are formed artificial source's heat pump air conditioner output loop, it is characterized in that: between air source heat pump and artificial source's heat pump, be provided with coupled water tank (6), this coupled water tank (6) is connected with the secondary terminals of prime output water circulating pump (7) and prime output heat exchanger (3) and is constituted the air source heat pump output loop, coupled water tank 6 is connected with the once end of back level input water circulating pump (12) and back level input heat exchanger (11) again and is constituted artificial source's heat pump input circuit, coupled water tank (6) the formation single-stage of also connecting with air-conditioning output water circulating pump (15) and air-conditioning draught fan coil pipe (16) heats and single-stage refrigeration air-conditioner output loop, in artificial source's heat pump air conditioner output loop, be provided with artificial source's heat pump air conditioner output loop on-off valve (13) between air-conditioning output water circulating pump (15) and the back level output heat exchanger (9), single-stage heat and single-stage refrigeration air-conditioner output loop in export in air-conditioning and to be provided with single-stage between water circulating pump (15) and the coupled water tank (6) and to heat and single-stage refrigeration air-conditioner output loop on-off valve (14).
2, coupled water tank type ultra-low temperature air source heat pump air conditioner according to claim 1, it is characterized in that: the suction end at prime refrigeration compressor (1) is connected with solar heat exchanger (17), the secondary terminals of this solar heat exchanger (17) is connected in the air source heat pump loop, and the once end series-connected solar water circulating pump (18) of this solar heat exchanger (17), solar thermal collector (19) and solar energy heat-storage water pot (20) constitute the auxiliary companion of solar energy hot loop.
3, coupled water tank type ultra-low temperature air source heat pump air conditioner according to claim 1 is characterized in that: described artificial source's heat pump air conditioner output loop on-off valve (13), single-stage heats and single-stage refrigeration air-conditioner output loop on-off valve (14) is an electrically operated valve.
4, coupled water tank type ultra-low temperature air source heat pump air conditioner according to claim 1 is characterized in that: described coupled water tank (6) is for being provided with the heat preserved water can of heat-insulation layer.
5, coupled water tank type ultra-low temperature air source heat pump air conditioner according to claim 2 is characterized in that: described solar energy heat-storage water pot (20) is for being provided with the heat preserved water can of heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910075054 CN101619877B (en) | 2009-07-31 | 2009-07-31 | Coupled water tank type ultra-low temperature air source heat pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910075054 CN101619877B (en) | 2009-07-31 | 2009-07-31 | Coupled water tank type ultra-low temperature air source heat pump air conditioner |
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| Publication Number | Publication Date |
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| CN101619877A true CN101619877A (en) | 2010-01-06 |
| CN101619877B CN101619877B (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910075054 Expired - Fee Related CN101619877B (en) | 2009-07-31 | 2009-07-31 | Coupled water tank type ultra-low temperature air source heat pump air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628636A (en) * | 2012-04-28 | 2012-08-08 | 肖舸 | Composite plate drying method and drying system |
| CN102706035A (en) * | 2012-01-05 | 2012-10-03 | 王全龄 | Liquid spraying and drying type ultralow-temperature wind-energy air conditioner with heat pumps |
| CN102706032A (en) * | 2012-01-05 | 2012-10-03 | 王全龄 | Antifreeze liquid drying type cool and heat storage ultralow-temperature wind-energy air conditioner with heat pumps |
| CN103851892A (en) * | 2012-12-06 | 2014-06-11 | 美的集团股份有限公司 | Drying machine |
| CN106440578A (en) * | 2016-07-20 | 2017-02-22 | 王全龄 | Cooling defrosting type wind energy heat pump |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304055Y (en) * | 1998-03-17 | 1999-01-13 | 区建生 | Small central air-conditioner |
| CN2391123Y (en) * | 1999-10-18 | 2000-08-09 | 王全龄 | Earth energy and solar energy cool and hot water machine set |
| CN101101151A (en) * | 2007-06-27 | 2008-01-09 | 王全龄 | Highly effective air source heat pump type water heater suitable for broad temperature environment |
-
2009
- 2009-07-31 CN CN 200910075054 patent/CN101619877B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706035A (en) * | 2012-01-05 | 2012-10-03 | 王全龄 | Liquid spraying and drying type ultralow-temperature wind-energy air conditioner with heat pumps |
| CN102706032A (en) * | 2012-01-05 | 2012-10-03 | 王全龄 | Antifreeze liquid drying type cool and heat storage ultralow-temperature wind-energy air conditioner with heat pumps |
| CN102706032B (en) * | 2012-01-05 | 2015-05-06 | 王全龄 | Antifreeze liquid drying type cool and heat storage ultralow-temperature wind-energy air conditioner with heat pumps |
| CN102628636A (en) * | 2012-04-28 | 2012-08-08 | 肖舸 | Composite plate drying method and drying system |
| CN103851892A (en) * | 2012-12-06 | 2014-06-11 | 美的集团股份有限公司 | Drying machine |
| CN106440578A (en) * | 2016-07-20 | 2017-02-22 | 王全龄 | Cooling defrosting type wind energy heat pump |
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| Publication number | Publication date |
|---|---|
| CN101619877B (en) | 2011-08-17 |
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Granted publication date: 20110817 Termination date: 20180731 |