CN101487642A - Heat pump - Google Patents
Heat pump Download PDFInfo
- Publication number
- CN101487642A CN101487642A CNA2008102192180A CN200810219218A CN101487642A CN 101487642 A CN101487642 A CN 101487642A CN A2008102192180 A CNA2008102192180 A CN A2008102192180A CN 200810219218 A CN200810219218 A CN 200810219218A CN 101487642 A CN101487642 A CN 101487642A
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- Prior art keywords
- heat exchanger
- compressor
- communicates
- interface
- heat pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A heat pump device comprises a compressor, a four-way valve, an indoor heat exchanger and an outdoor heat exchanger, wherein, a first connector of the four-way valve is communicated with a high-pressure outlet of the compressor; a second connector thereof is communicated with one end of the indoor exchanger; a third connector thereof is communicated with a low-pressure inlet of the compressor; a fourth connector thereof is communicated with the outdoor heat exchanger; and the other end of the indoor heat exchanger is communicated with the other end of the outdoor heat exchanger by a throttling element. The heat pump device is characterized in that the outdoor heat exchanger comprises an evaporator and a condenser which are arranged next to each other for direct heat exchange and use the same refrigerant power source and heat exchange fluid power source. The invention has the advantages of simple and reasonable structure, high overall energy efficiency ratio, high reliability of the compressor, low possibility of liquid impact of the compressor and long service life. In addition, the device can reduce frosting probability and improve frosting condition during the heating operation of the outdoor heat exchanger, and greatly improve the refrigerant circulating load and pressure at lower pressure side during the low-temperature heating.
Description
Technical field
The present invention relates to a kind of heat pump assembly.
Background technology
The outdoor heat exchanger of traditional heat pump is perhaps made condenser usefulness, perhaps makes evaporimeter and uses.When it heated, frosting appearred in outdoor heat exchanger easily, and frosting is more serious, and compressor also is subjected to liquid hammer easily in running, and then influenced its real work effect.Chinese patent literature CN101280979 discloses a kind of air-condition heat pump device, comprises compressor, heat source side heat exchanger, user side heat exchanger, second heat exchanger, first throttle mechanism, second throttle mechanism, first cross valve, second cross valve, first flow direction control valve, second flow direction control valve, the 9th flow direction control valve; It also comprises flash vessel, the 3rd throttle mechanism and the 3rd flow direction control valve; In when operation, utilize the flash gas that is produced in the flash vessel separating, throttling process, be the compressor tonifying Qi, can be under high low temperature working environment operate as normal, realize productive life hot water, multiple operating conditions such as refrigeration or heating.Its structure is complicated, is necessary further improvement and perfect.
Summary of the invention
Purpose of the present invention aims to provide that a kind of simple and reasonable, complete machine Energy Efficiency Ratio and compressor reliability height, compressor liquid hammer possibility are low, the frosting probability when reducing outdoor heat exchanger and heat simultaneously and improve the frosting situation, the heat pump assembly of refrigerant circulation when improving low-temperature heating greatly and low-pressure lateral pressure, long service life is to overcome weak point of the prior art.
A kind of heat pump assembly by this purpose design, comprise compressor, cross valve, indoor heat exchanger and outdoor heat exchanger, wherein, first interface of cross valve communicates with the high-pressure outlet of compressor, second interface communicates with indoor heat exchanger one end, the 3rd interface communicates with the low-pressure inlet of compressor, the 4th interface communicates with outdoor heat exchanger, the other end of indoor heat exchanger communicates with the other end of outdoor heat exchanger by restricting element, its architectural feature is that outdoor heat exchanger comprises evaporimeter and condenser, evaporimeter and condenser nestle up and put together, and directly carry out heat exchange, and adopt identical refrigerant power source and heat exchanging fluid power source.
Described heat pump assembly also comprises first magnetic valve, one termination of first magnetic valve is gone between first interface of the high-pressure outlet of compressor and cross valve, its other end communicates with an end of evaporimeter, the 4th interface of cross valve communicates with an end of condenser, and restricting element comprises first capillary and second capillary; First end capillaceous communicates with the other end of condenser, and first other end capillaceous communicates with the indoor heat exchanger other end; Second capillary and first electric expansion valve are cascaded and constitute first branch road, and an end of this first branch road communicates with the other end of evaporimeter, and the other end of first branch road inserts between the other end and first end capillaceous of condenser.
Described restricting element also comprises three capillary, and the three capillary and second electric expansion valve are cascaded and constitute second branch road, and second branch road is in parallel with first branch road and be serially connected between the other end and first end capillaceous of evaporimeter.
Described heat pump assembly also comprises second magnetic valve, and a termination of second magnetic valve is gone between the low-pressure inlet of the 3rd interface of cross valve and compressor, and its other end inserts between the end of the other end of first magnetic valve and evaporimeter.
Described heat pump assembly also comprises reservoir, and reservoir is serially connected between the low-pressure inlet of the 3rd interface of cross valve and compressor, and a termination of second magnetic valve is gone between the 3rd interface and reservoir of cross valve.
The present invention adopts identical refrigerant power source, part evaporimeter and condenser are put together, directly carry out heat exchange, realize evaporation and condensation respectively, respectively the same power source fluid that successively passes through heat exchanger is carried out heat exchange simultaneously, make full use of system's refrigerant,, accurately control the cold medium flux that enters this heat exchanger by electric expansion valve according to load variations.
The present invention is by shifting the part refrigerant, improve the Energy Efficiency Ratio of complete machine and the reliability of compressor, frosting probability when reducing outdoor heat exchanger simultaneously and heating, and improve the frosting situation, refrigerant circulation when also greatly improving low-temperature heating and low-pressure lateral pressure significantly improve the complete machine performance of air-conditioning under the situation of low temperature, high humility.This heat pump assembly also can significantly improve the complete machine Energy Efficiency Ratio simultaneously, reduces compressor liquid hammer possibility.
Description of drawings
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is the refrigerant flow graph of the present invention when refrigeration mode.
Fig. 3 is the refrigerant flow graph of the present invention when heating mode.
Among the figure: 1 is compressor, and 2 is cross valve, and 3 is the first magnetic valve SV1,4 is the second magnetic valve SV2, and 5 is the first electric expansion valve SV3, and 6 is the second electric expansion valve SV4,7 is indoor heat exchanger, and 8 is outdoor heat exchanger, and 9 is first capillary, 19 is second capillary, 29 is three capillary, and a is first interface of cross valve, and b is second interface of cross valve, c is the 3rd interface of cross valve, and d is the 4th interface of cross valve.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Referring to Fig. 1, this heat pump assembly, comprise compressor 1, cross valve 2, indoor heat exchanger 7 and outdoor heat exchanger 8 and reservoir, wherein, the first interface a of cross valve communicates with the high-pressure outlet of compressor 1, the second interface b communicates with an end of indoor heat exchanger 7, the 3rd interface c communicates with the low-pressure inlet of compressor 1, the 4th interface d communicates with outdoor heat exchanger 8, the other end of indoor heat exchanger 7 communicates with the other end of outdoor heat exchanger by restricting element, and outdoor heat exchanger 8 comprises evaporimeter and condenser, and evaporimeter and condenser nestle up and put together, directly carry out heat exchange, and adopt identical refrigerant power source and heat exchanging fluid power source.
Heat pump assembly also comprises first magnetic valve 3 and second magnetic valve 4, one termination of first magnetic valve 3 is gone between the first interface a of the high-pressure outlet of compressor 1 and cross valve 2, its other end communicates with an end of evaporimeter, the 4th interface d of cross valve 2 communicates with an end of condenser, reservoir is serially connected between the low-pressure inlet of the 3rd interface c of cross valve 2 and compressor 1, one termination of second magnetic valve 4 is gone between the 3rd interface c and reservoir of cross valve 2, and its other end inserts between the end of the other end of first magnetic valve 3 and evaporimeter.
Restricting element comprises first capillary 9, second capillary 19 and the three capillary 29, one end of first capillary 9 communicates with the other end of condenser, the other end of first capillary 9 communicates with the other end of indoor heat exchanger 7, second capillary 19 and first electric expansion valve 5 are cascaded and constitute first branch road, one end of first branch road communicates with the other end of evaporimeter, between the other end of the other end access condenser of first branch road and the end of first capillary 9.The three capillary 29 and second electric expansion valve 6 are cascaded and constitute second branch road, and this second branch road is in parallel with first branch road and be serially connected between the end of the other end of evaporimeter and first capillary 9.
Refrigeration mode of this heat pump assembly and heating mode are as described below respectively:
(1) during refrigeration mode, the second magnetic valve SV2 and the 3rd electric expansion valve SV3 open, and the first magnetic valve SV1 and quadrielectron expansion valve SV4 close; The refrigerant flow direction is seen shown in Figure 2.
(2) during heating mode, the first magnetic valve SV1 and quadrielectron expansion valve SV4 open, and the second magnetic valve SV2 and the 3rd electric expansion valve SV3 close; The refrigerant flow direction is seen shown in Figure 3.
Claims (5)
1. heat pump assembly, comprise compressor (1), cross valve (2), indoor heat exchanger (7) and outdoor heat exchanger (8), wherein, first interface (a) of cross valve communicates with the high-pressure outlet of compressor, second interface (b) communicates with indoor heat exchanger one end, the 3rd interface (c) communicates with the low-pressure inlet of compressor, the 4th interface (d) communicates with outdoor heat exchanger, the other end of indoor heat exchanger communicates with the other end of outdoor heat exchanger by restricting element, it is characterized in that outdoor heat exchanger comprises evaporimeter and condenser, evaporimeter and condenser nestle up and put together, and directly carry out heat exchange, and adopt identical refrigerant power source and heat exchanging fluid power source.
2. according to the described heat pump assembly of claim 1, it is characterized in that described heat pump assembly also comprises first magnetic valve (3), one termination of first magnetic valve is gone between first interface of the high-pressure outlet of compressor and cross valve, its other end communicates with an end of evaporimeter, the 4th interface of cross valve communicates with an end of condenser, and restricting element comprises first capillary (9) and second capillary (19);
First end capillaceous communicates with the other end of condenser, and first other end capillaceous communicates with the indoor heat exchanger other end;
Second capillary and first electric expansion valve (5) are cascaded and constitute first branch road, and an end of first branch road communicates with the other end of evaporimeter, and the other end of first branch road inserts between the other end and first end capillaceous of condenser.
3. according to the described heat pump assembly of claim 2, it is characterized in that described restricting element also comprises three capillary (29), three capillary and second electric expansion valve (6) are cascaded and constitute second branch road, and second branch road is in parallel with first branch road and be serially connected between the other end and first end capillaceous of evaporimeter.
4. according to the described heat pump assembly of claim 2, it is characterized in that described heat pump assembly also comprises second magnetic valve (4), one termination of second magnetic valve is gone between the low-pressure inlet of the 3rd interface of cross valve and compressor, and its other end inserts between the end of the other end of first magnetic valve and evaporimeter.
5. according to the described heat pump assembly of claim 4, it is characterized in that described heat pump assembly also comprises reservoir, reservoir is serially connected between the low-pressure inlet of the 3rd interface of cross valve and compressor, and a termination of second magnetic valve is gone between the 3rd interface and reservoir of cross valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102192180A CN101487642B (en) | 2008-11-14 | 2008-11-14 | Heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102192180A CN101487642B (en) | 2008-11-14 | 2008-11-14 | Heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101487642A true CN101487642A (en) | 2009-07-22 |
| CN101487642B CN101487642B (en) | 2011-08-17 |
Family
ID=40890640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102192180A Expired - Fee Related CN101487642B (en) | 2008-11-14 | 2008-11-14 | Heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101487642B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635969A (en) * | 2012-04-11 | 2012-08-15 | 广东美的制冷设备有限公司 | Air conditioner |
| CN104114391A (en) * | 2012-02-16 | 2014-10-22 | 法雷奥热系统公司 | Air-conditioning loop functioning as a pulse electro-thermal deicing heat pump |
| CN107152734A (en) * | 2017-07-06 | 2017-09-12 | 珠海格力电器股份有限公司 | A kind of heat exchanger, heat pump air conditioner and control method |
| CN108007016A (en) * | 2017-10-30 | 2018-05-08 | 珠海格力电器股份有限公司 | The control method of heat pump system and heat pump system |
| CN110486891A (en) * | 2019-08-22 | 2019-11-22 | 海信（山东）空调有限公司 | A kind of defrosting control method and air conditioner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729163B (en) * | 2013-12-24 | 2017-06-06 | 珠海格力电器股份有限公司 | Air-conditioning system and its defrosting control method |
-
2008
- 2008-11-14 CN CN2008102192180A patent/CN101487642B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104114391A (en) * | 2012-02-16 | 2014-10-22 | 法雷奥热系统公司 | Air-conditioning loop functioning as a pulse electro-thermal deicing heat pump |
| CN102635969A (en) * | 2012-04-11 | 2012-08-15 | 广东美的制冷设备有限公司 | Air conditioner |
| CN107152734A (en) * | 2017-07-06 | 2017-09-12 | 珠海格力电器股份有限公司 | A kind of heat exchanger, heat pump air conditioner and control method |
| CN108007016A (en) * | 2017-10-30 | 2018-05-08 | 珠海格力电器股份有限公司 | The control method of heat pump system and heat pump system |
| CN110486891A (en) * | 2019-08-22 | 2019-11-22 | 海信（山东）空调有限公司 | A kind of defrosting control method and air conditioner |
| CN110486891B (en) * | 2019-08-22 | 2021-04-23 | 海信（山东）空调有限公司 | Defrosting control method and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101487642B (en) | 2011-08-17 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20140113 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 528300 FOSHAN, GUANGDONG PROVINCE TO: 528311 FOSHAN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140113 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528300 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee before: GD MIDEA HOLDING CD., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |