CN201322469Y - Tri-coupled air-source heat pump air conditioner - Google Patents
Tri-coupled air-source heat pump air conditioner Download PDFInfo
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- CN201322469Y CN201322469Y CNU2008202276232U CN200820227623U CN201322469Y CN 201322469 Y CN201322469 Y CN 201322469Y CN U2008202276232 U CNU2008202276232 U CN U2008202276232U CN 200820227623 U CN200820227623 U CN 200820227623U CN 201322469 Y CN201322469 Y CN 201322469Y
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Abstract
The utility model provides a tri-coupled air-source heat pump air conditioner. The air conditioner is provided with a low-temperature air-source heat pump, a high-temperature artificial-source heat pump, a winter heating output circulation loop, a summer cooling output circulation loop, a heat conducting media water forced circulation loop and a winter defrosting circulation loop, wherein the low-temperature air-source heat pump is composed of a first end, a preceding stage expansion valve and an air heat exchanger, the first end is connected with a preceding stage compressor, a four-way reversing valve and a tri-coupled heat exchanger by a pipeline; the high-temperature labor-source heat pump is composed of a first end, a backward stage expansion valve and a secondary end of the tri-coupled heat exchanger, and the first end is connected with a backward stage compressor and a condenser by the pipeline; the winter heating output circulation loop is composed of a secondary end and an air conditioning load, and the secondary end is connected with an output pump and the condenser by the pipeline; the summer cooling output circulation loop is composed of a third end and the air conditioning load, and the third end is connected with the output pump and the condenser; the heat conducting media water forced circulation loop is composed of a third end, and the third end is connected with a circulating pump and a tri-coupled heat exchanger. The utility model can work with high heating effect under the condition of very low temperature under -10 DEG C, besides, transition of winter heating and defrosting and summer single-stage refrigerating operation can be realized easily.
Description
Technical field
The utility model relates to air source heat pump air-conditioner, is specifically related to a kind of three coupling air source heat pump air-conditioners.
Background technology
For air source heat pump air-conditioner is effectively moved at ultra-low temperature surroundings below-10 ℃, prior art adopts the overlapping air source heat pump system, promptly is made of the two levels of thermal pumping system of overlapping prime hot pump in low temp and back level high temperature heat pump.The cascade type heat pump system of prior art, though be used in heating operation under the ultra-low temperature surroundings, but it is low to exist the whole Energy Efficiency Ratio of operation, can't realize the problem of winter heating, defrost and single-stage refrigerating operaton conversion in summer, therefore be difficult to become practical air source heat pump air-conditioner product promotion and use.
Summary of the invention
The purpose of this utility model 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-10 ℃, and be easy to realize three of winter heating and single-stage refrigeration conversion in summer and the automatic defrosting operation air source heat pump air-conditioners that are coupled.
The technical scheme that realizes above-mentioned purpose is: a kind of three coupling air source heat pump air-conditioners, it has the preceding stage compressor of connection by the road, four-way change-over valve, the once end of three coupled heat exchangers, the low-temperature air source heat pump that prime expansion valve and air heat exchanger are formed, connect the back stage compressor by the road, the once end of condenser, the high temperature artificial source heat pump that the secondary terminals of back level expansion valve and three coupled heat exchangers is formed, connect the output water pump by the road, winter heating's output closed circuit that the secondary terminals of condenser and air-conditioning load are formed, connect the output water pump by the road, refrigeration output in the summer closed circuit that three times of three coupled heat exchangers ends and air-conditioning load are formed, connect by the road water circulating pump and three coupled heat exchangers three end compositions heat-conducting medium water forced circulation loop and winter the defrost loop; Be equipped with winter heating and refrigeration output in summer conversion valve in output closed circuit and the refrigeration output closed circuit described heating.
Above-mentioned three coupled heat exchangers can be shell and tube exchanger, double pipe heat exchanger or plate type heat exchanger, spiral heat exchanger.
Above-mentioned conversion valve can make electrically operated valve or manually-operated gate.
The utility model can be at the efficient heating operation of ultra-low temperature surroundings below-10 ℃, and be easy to realize winter heating, defrost and summer the single-stage refrigerating operaton conversion.
Description of drawings
Accompanying drawing is this three couplings air source heat pump air-conditioner structural representation.
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present utility model is described.
As accompanying drawing, stage compressor 1 before this three couplings air source heat pump air-conditioner includes and connects by the road, four-way change-over valve 2, the once end of three coupled heat exchangers 3, the low-temperature air source heat pump that prime expansion valve 4 and air heat exchanger 5 are formed, connect back stage compressor 6 by the road, the once end of condenser 7, the high temperature artificial source heat pump that the secondary terminals of back level expansion valve 8 and three coupled heat exchangers 3 is formed, connect output water pump 9 by the road, winter heating's output closed circuit that the secondary terminals of condenser 7 and air-conditioning load 10 are formed, connect output water pump 9 by the road, refrigeration output in the summer closed circuit that three times of three coupled heat exchangers 3 ends and air-conditioning load 10 are formed, connect by the road water circulating pump 11 and three coupled heat exchangers 3 three end compositions heat-conducting medium water forced circulation loop and winter the defrost loop; Be equipped with winter heating and refrigeration output in summer conversion valve 12,13 and 14 in output closed circuit and the refrigeration output closed circuit described heating.
During concrete enforcement, three coupled heat exchangers 3 can be designed to shell and tube exchanger, double pipe heat exchanger or be designed to plate type heat exchanger, spiral heat exchanger.Conversion valve 12,13 and 14 can adopt electrically operated valve or manually-operated gate.
Operation principle of the present utility model is as follows:
During winter heating, the hot gas of being discharged by preceding stage compressor 1 is through the once end of four-way change-over valve 2 to three coupled heat exchangers 3, condensation heat is passed to the secondary terminals of three coupled heat exchangers by the recirculated water of three ends of three coupled heat exchangers, stage compressor 6 provides air source heat backward, the low-temperature heat quantity that condensed refrigerant liquid evaporates in the absorption chamber outer air to air heat exchanger 5 after 4 throttlings of prime expansion valve, the suction end of stage compressor 1 before four-way change-over valve 2 is sent into again constitutes the working cycles of air source heat pump.The heat of the secondary terminals output of three coupled heat exchangers 3 is sent into back stage compressor 6, once end by condenser 7 discharges the high temperature condensation heat to the air-conditioning load circuit then, condensed refrigerant liquid through after after level expansion valve 8 throttlings to the secondary terminals of three coupled heat exchangers 3, continue the evaporation absorption and once hold the heat of output, finish the working cycles of high temperature artificial source heat pump by three coupled heat exchangers.The air-conditioning load circuit is discharged heat by the secondary terminals of output water pump 9 through conversion valve 13, condenser 7 by air-conditioning load 10, realize the winter heating heat supply.In the winter time in the process of heating, constitute heat-conducting medium water forced circulation loop, be used to improve the heat exchanger effectiveness of three coupled heat exchangers 3 by three ends of water circulating pump 11 and three coupled heat exchangers 3.
Summer is when freezing, after four-way change-over valve 2 commutations, the heat of compression that preceding stage compressor 1 is discharged is released into condensation heat in the outdoor air through air heat exchanger 5, the refrigerant liquid that is condensed once end evaporation to three coupled heat exchangers 3 after 4 throttlings of prime expansion valve absorbs heat in three ends of three coupled heat exchangers water, pass through conversion valve 14 by water circulating pump 9, again through three times of three coupled heat exchangers 3 and conversion valve 12 to air-conditioning load 10, constitute refrigeration output periodic duty loop, realize the summer air-conditioning refrigeration.
Winter operation defrost of the present utility model is by the conversion of four-way change-over valve 2, by low-temperature air source heat pump working cycles loop and finishing cooperating of working cycles loop of being made up of three ends of water circulating pump 11 and three coupled heat exchangers 3.
Claims (3)
1, a kind of three coupling air source heat pump air-conditioners, it is characterized in that: it has the preceding stage compressor (1) of connection by the road, four-way change-over valve (2), the once end of three coupled heat exchangers (3), the low-temperature air source heat pump that prime expansion valve (4) and air heat exchanger (5) are formed, connect back stage compressor (6) by the road, the once end of condenser (7), the high temperature artificial source heat pump that the secondary terminals of back level expansion valve (8) and three coupled heat exchangers (3) is formed, connect output water pump (9) by the road, winter heating's output closed circuit that the secondary terminals of condenser (7) and air-conditioning load (10) are formed, connect output water pump (9) by the road, refrigeration output in the summer closed circuit that three times of three coupled heat exchangers (3) ends and air-conditioning load (10) are formed, connect by the road water circulating pump (11) and three coupled heat exchangers (3) three times hold composition heat-conducting medium water forced circulation loop and winter the defrost loop; Be equipped with winter heating and freeze summer output conversion valve (12), (13) and (14) described heating in output closed circuit and the refrigeration output closed circuit.
2, three coupling air source heat pump air-conditioners according to claim 1, it is characterized in that: described three coupled heat exchangers (3) are shell and tube exchanger, double pipe heat exchanger or plate type heat exchanger, spiral heat exchanger.
3, three coupling air source heat pump air-conditioners according to claim 1, it is characterized in that: described conversion valve (12), (13) and (14) are electrically operated valve or manually-operated gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202276232U CN201322469Y (en) | 2008-11-21 | 2008-11-21 | Tri-coupled air-source heat pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202276232U CN201322469Y (en) | 2008-11-21 | 2008-11-21 | Tri-coupled air-source heat pump air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322469Y true CN201322469Y (en) | 2009-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202276232U Expired - Fee Related CN201322469Y (en) | 2008-11-21 | 2008-11-21 | Tri-coupled air-source heat pump air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN201322469Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712367A (en) * | 2013-12-16 | 2014-04-09 | 陕西东泰能源科技有限公司 | Solar-energy air-source heat pump air-conditioning system |
| EP2333457A3 (en) * | 2009-12-11 | 2015-06-24 | LG ELectronics INC. | Water circulation apparatus associated with refrigerant system |
| CN104833087A (en) * | 2015-04-30 | 2015-08-12 | 南京理工大学 | Cascading middle and high-temperature air source heat pump hot water machine set |
| CN108180668A (en) * | 2018-01-16 | 2018-06-19 | 北京四季通能源科技有限公司 | Single double stage heat pump heating and refrigeration system and control method |
-
2008
- 2008-11-21 CN CNU2008202276232U patent/CN201322469Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2333457A3 (en) * | 2009-12-11 | 2015-06-24 | LG ELectronics INC. | Water circulation apparatus associated with refrigerant system |
| CN103712367A (en) * | 2013-12-16 | 2014-04-09 | 陕西东泰能源科技有限公司 | Solar-energy air-source heat pump air-conditioning system |
| CN103712367B (en) * | 2013-12-16 | 2016-06-15 | 陕西东泰能源科技有限公司 | Solar air source heat pumps air conditioning system |
| CN104833087A (en) * | 2015-04-30 | 2015-08-12 | 南京理工大学 | Cascading middle and high-temperature air source heat pump hot water machine set |
| CN104833087B (en) * | 2015-04-30 | 2017-09-29 | 南京理工大学 | Superposition type high temperature air friction drag |
| CN108180668A (en) * | 2018-01-16 | 2018-06-19 | 北京四季通能源科技有限公司 | Single double stage heat pump heating and refrigeration system and control method |
| CN108180668B (en) * | 2018-01-16 | 2023-05-23 | 北京四季通能源科技有限公司 | Single-stage and double-stage heat pump heating and refrigerating system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |