CN202973694U - Double-fin double-fan hot pump system capable of defrosting in complementary mode - Google Patents
Double-fin double-fan hot pump system capable of defrosting in complementary mode Download PDFInfo
- Publication number
- CN202973694U CN202973694U CN2012207234919U CN201220723491U CN202973694U CN 202973694 U CN202973694 U CN 202973694U CN 2012207234919 U CN2012207234919 U CN 2012207234919U CN 201220723491 U CN201220723491 U CN 201220723491U CN 202973694 U CN202973694 U CN 202973694U
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- heat exchanger
- valve
- defrosting
- double
- fin
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- 238000010257 thawing Methods 0.000 title claims abstract description 48
- 230000000295 complement effect Effects 0.000 title claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 28
- 230000008020 evaporation Effects 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
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Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a double-fin double-fan hot pump system capable of defrosting in a complementary mode, and particularly relates to an air-cool hot pump system with four-way reversing defrosting being adopted. The problem that when an existing air-cool hot pump system defrosts in a reversed mode, manufactured hot needs to be used as a defrosting heat source, and accordingly temperature of the hot water falls or cold air is blown indoors is solved. The double-fin double-fan hot pump system is sequentially composed of a compressor (1), a four-way reversing valve (15), a using side heat exchanger (13), a parallel-connection evaporation circuit, a gas-liquid separator (14), and electromagnetic valves (2,3,4,5 and 12), wherein the parallel-connection evaporation circuit is respectively composed of a first expansion valve (10), an electronic expansion valve (11), a first fin heat exchanger (6), a second fin heat exchanger (7), a first fan (8) and a second fan (9). The double-fin double-fan hot pump system can defrost in the complementary mode, the defect that when the traditional hot pump defrosts in winter, the temperature of the hot water falls is overcome, and defrosting efficiency of the system is improved.
Description
Technical field the utility model relates to a kind of two blower fan heat pumps of twin fin that can complementary defrosting, belongs to the air-cooled heat pump field.
Background technology frosting problem is to affect the source pump normal principal element of operation in the winter time, especially in the area of high humidity cold; Traditional Defrost mode is mainly reverse cycle defrosting, hot gas bypass defrosting and electric heated defrosting, the speed of reverse cycle defrosting, but will be from indoor absorption heat in defrost process, thus reduced the temperature of hot water, wasted portion of energy; The energy source of hot gas bypass defrosting is in the wasted work of compressor, the heat in absorption chamber not, but defrosting speed is slower, and might cause the phenomenon of compressor return air band liquid; Electric heated defrosting, energy consumption is higher, and defrosting speed is slow, and cost is higher.
Summary of the invention the utility model provides a kind of two blower fan heat pumps of twin fin that can complementary defrosting, has overcome the defective that causes the hot water water temperature to reduce when traditional heat pump defrosts in the winter time.
Native system is made of compressor (1), four-way change-over valve (15), use side heat exchanger (13), liquid way solenoid valve (12), evaporation circuit in parallel, gas-liquid separator (14) and magnetic valve (2,3,4,5) successively; For realizing complementary defrost function, between liquid way solenoid valve (12) and cross valve (15) normal-closed end and be connected to evaporation circuit one and evaporation circuit two, evaporation circuit one is made of electric expansion valve one (10), finned heat exchanger one (6), return-air magnetic valve one (2) successively, and evaporation circuit two is made of electric expansion valve one (11), finned heat exchanger one (7), return-air magnetic valve two (3) successively; And finned heat exchanger one (6) and finned heat exchanger two (7) are furnished with independent blower fan (8) and blower fan (9) separately, and two fan air channels separate independence; Be connected to defrosting magnetic valve one (4) between the outlet of finned heat exchanger one (6) and the normal opening of four-way change-over valve (15), be connected to the magnetic valve two (5) that defrosts between the normal opening of outlet and four-way change-over valve (15) of finned heat exchanger two (7).
The utility model solves the technical scheme that its technical problem uses:
Adopt the two fan design technology of twin fin, the outdoor evaporation circuit of system adopts the two-way Parallel Design.Whole heat pump is made of compressor (1), four-way change-over valve (15), use side heat exchanger (13), liquid way solenoid valve (12), evaporation circuit in parallel, gas-liquid separator (14) and magnetic valve (2,3,4,5) successively; For realizing complementary defrost function, between liquid way solenoid valve (12) and cross valve (15) normal-closed end and be connected to evaporation circuit one and evaporation circuit two, evaporation circuit one is made of electric expansion valve one (10), finned heat exchanger one (6), return-air magnetic valve one (2) successively, and evaporation circuit two is made of electric expansion valve one (11), finned heat exchanger one (7), return-air magnetic valve two (3) successively; And finned heat exchanger one (6) and finned heat exchanger two (7) are furnished with independent blower fan (8) and blower fan (9) separately, and two fan air channels separate independence; Be connected to defrosting magnetic valve one (4) between the outlet of finned heat exchanger one (6) and the normal opening of four-way change-over valve (15), be connected to the magnetic valve two (5) that defrosts between the normal opening of outlet and four-way change-over valve (15) of finned heat exchanger two (7).
During the unit defrosting, first allow wherein one group of fin defrosting, after defrosting is completed, then by predetermined time, other one group of fin is defrosted, owing to using side heat exchanger (13) not as the defrosting origin of heat in defrost process, so use water temperature or the indoor temperature of side to remain unchanged.
Benefit of the present utility model benefit of the present utility model is: the efficient of system's defrosting has improved, and has saved energy, reduces energy consumption, the security of Hoisting System.
The present invention is further described below in conjunction with accompanying drawing for description of drawings.
Accompanying drawing is system diagram of the present invention
in figure, the utility model system is by compressor (1), return-air magnetic valve one (2), return-air magnetic valve two (3), defrosting magnetic valve one (4), defrosting magnetic valve two (5), finned heat exchanger one (6), finned heat exchanger two (7), blower fan one (8), blower fan two (9), electric expansion valve one (10), electric expansion valve two (11), liquid way solenoid valve (12), use side heat exchanger (13), gas-liquid separator (14), four-way change-over valve (15) and temperature sensor (16) consist of.
A kind of two blower fan heat pumps of twin fin that can complementary defrosting in the specific embodiment such as accompanying drawing.
Native system is made of compressor (1), four-way change-over valve (15), use side heat exchanger (13), liquid way solenoid valve (12), evaporation circuit in parallel, gas-liquid separator (14) and magnetic valve (2,3,4,5) successively, and wherein evaporation circuit in parallel is made of electric expansion valve one (10) and electric expansion valve two (11), finned heat exchanger one (6) and finned heat exchanger two (7), blower fan one (8) and blower fan two (9) respectively; It is characterized in that: at liquid way solenoid valve (12) and cross valve (15) normal-closed end and be connected to evaporation circuit one and evaporation circuit two, evaporation circuit one is made of electric expansion valve one (10), finned heat exchanger one (6), return-air magnetic valve one (4) successively, and evaporation circuit two is made of electric expansion valve one (11), finned heat exchanger one (7), return-air magnetic valve two (2) successively; Finned heat exchanger one (6) and finned heat exchanger two (7) are furnished with independent blower fan (8) and blower fan (9) separately, and two fan air channels separate independence; Be connected to defrosting magnetic valve one (4) between the outlet of finned heat exchanger one (6) and the normal opening of four-way change-over valve (15), be connected to the magnetic valve two (5) that defrosts between the normal opening of outlet and four-way change-over valve (15) of finned heat exchanger two (7).
The utility model system can heat, refrigeration and defrosting operating condition.The cold-producing medium flow process of its each operating mode is as follows:
Defrosting operating condition: minute two steps, first one group of fin is defrosted, wait to defrost complete, then carry out second group of fin defrosting by the time interval of predetermined set.
Finned heat exchanger one (6) defrosting: four-way change-over valve (15), return-air magnetic valve one (2) and defrosting magnetic valve two (5) get electric opening, return-air magnetic valve two (3), defrosting magnetic valve one (4) and liquid way solenoid valve dead electricity are closed, operation compressor (1) and blower fan two (9), close blower fan one (8), electric expansion valve (10) aperture is transferred to maximum, and electric expansion valve (11) is regulated by PID according to system's return-air degree of superheat and rationally controlled cold medium flux.Its closed circuit is as follows: compressor (1) → four-way change-over valve (15) → return-air magnetic valve one (2) → finned heat exchanger one (6) → electric expansion valve one (10) → electric expansion valve two (11) → fin heat exchange two (7) → defrosting magnetic valve two (5) → four-way change-over valves (15) → gas-liquid separator (14) → compressor (1).During defrosting, the high-temperature gas that compressor (1) is discharged condensation heat release and remove frost layer on fin in finned heat exchanger one (6), through after electric expansion valve two (11) throttlings in finned heat exchanger two (7) evaporation endothermic, the thermal source that defrosts as finned heat exchanger one (6).
Finned heat exchanger two (7) defrostings: four-way change-over valve (15), return-air magnetic valve two (3) and defrosting magnetic valve one (4) get electric opening, return-air magnetic valve one (4), defrosting magnetic valve two (5) and liquid way solenoid valve dead electricity are closed, operation compressor (1) and blower fan one (8), close blower fan two (9), electric expansion valve (11) aperture is transferred to maximum, and electric expansion valve (10) is regulated by PID according to system's return-air degree of superheat and rationally controlled cold medium flux.Its closed circuit is as follows: compressor (1) → four-way change-over valve (15) → return-air magnetic valve two (3) → finned heat exchanger two (7) → electric expansion valve two (11) → electric expansion valve one (10) → fin heat exchange one (6) → defrosting magnetic valve one (4) → four-way change-over valve (15) → gas-liquid separator (14) → compressors (1).During defrosting, the high-temperature gas that compressor (1) is discharged condensation heat release and remove frost layer on fin in finned heat exchanger two (7), through after electric expansion valve one (10) throttling in finned heat exchanger one (6) evaporation endothermic, the thermal source that defrosts as finned heat exchanger two (7).
Heating condition: cross valve (15), liquid way solenoid valve (12), return-air magnetic valve one (2) and return-air magnetic valve (3) get electric opening, defrosting magnetic valve one (4) and defrosting magnetic valve (5) dead electricity are closed, start compressor (1), blower fan one (8) and blower fan two (9), electric expansion valve one (10) and electric expansion valve two (11) regulate according to the return-air degree of superheat that temperature sensor (16) senses the flow of controlling refrigerant by PID; Refrigerant evaporation endothermic in finned heat exchanger (6,7) in whole flow process, condensing heating in using side heat exchanger (13).Its closed circuit is as follows: compressor (1) → four-way change-over valve (15) → use side heat exchanger (13) → liquid way solenoid valve (12) → electric expansion valve (10,11) → finned heat exchanger (6,7), four-way change-over valve (15) → gas-liquid separator (14) → compressor (1).
Cooling condition: return-air magnetic valve one (2), return-air magnetic valve two (3) and liquid way solenoid valve (12) get electric opening, four-way change-over valve (15), defrosting magnetic valve one (4) and defrosting magnetic valve two (5) dead electricity are closed, start compressor (1), blower fan one (8) and blower fan two (9), electric expansion valve (10) and electric expansion valve (11) are regulated the flow of controlling refrigerant by PID according to the return-air degree of superheat; The refrigerant condensation of dispelling the heat in finned heat exchanger (6,7) in whole flow process, sweat cooling in using side heat exchanger (13).Its closed circuit is as follows: compressor (1) → four-way change-over valve (15) → magnetic valve return-air magnetic valve (2,3) → finned heat exchanger (6,7) → electric expansion valve (10,11) → liquid way solenoid valve (12) → use side heat exchanger (13) → four-way change-over valve (15) → gas-liquid separator (14) → compressor (1).
Claims (3)
- One kind can complementary defrosting the two blower fan heat pumps of twin fin, native system is made of compressor (1), four-way change-over valve (15), use side heat exchanger (13), liquid way solenoid valve (12), evaporation circuit in parallel, gas-liquid separator (14) and magnetic valve (2,3,4,5) successively, and wherein evaporation circuit in parallel is made of electric expansion valve one (10) and electric expansion valve two (11), finned heat exchanger one (6) and finned heat exchanger two (7), blower fan one (8) and blower fan two (9) respectively; It is characterized in that: at liquid way solenoid valve (12) and cross valve (15) normal-closed end and be connected to evaporation circuit one and evaporation circuit two, evaporation circuit one is made of electric expansion valve one (10), finned heat exchanger one (6), return-air magnetic valve one (4) successively, and evaporation circuit two is made of electric expansion valve one (11), finned heat exchanger one (7), return-air magnetic valve two (2) successively.
- 2. a kind of two blower fan heat pumps of twin fin that can complementary defrosting according to claim 1, its finned heat exchanger one (6) and finned heat exchanger two (7) are furnished with independent blower fan (8) and blower fan (9) separately, and two fan air channels separate independence.
- 3. a kind of two blower fan heat pumps of twin fin that can complementary defrosting according to claim 1, be connected to defrosting magnetic valve one (4) between the outlet of finned heat exchanger one (6) and the normal opening of four-way change-over valve (15), be connected to the magnetic valve two (5) that defrosts between the normal opening of outlet and four-way change-over valve (15) of finned heat exchanger two (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207234919U CN202973694U (en) | 2012-12-17 | 2012-12-17 | Double-fin double-fan hot pump system capable of defrosting in complementary mode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207234919U CN202973694U (en) | 2012-12-17 | 2012-12-17 | Double-fin double-fan hot pump system capable of defrosting in complementary mode |
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| CN202973694U true CN202973694U (en) | 2013-06-05 |
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| CN2012207234919U Expired - Lifetime CN202973694U (en) | 2012-12-17 | 2012-12-17 | Double-fin double-fan hot pump system capable of defrosting in complementary mode |
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| CN (1) | CN202973694U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968594A (en) * | 2014-05-28 | 2014-08-06 | 广东志高暖通设备股份有限公司 | Air cooling heat pump unit |
| CN104654461A (en) * | 2015-01-29 | 2015-05-27 | 珠海格力电器股份有限公司 | Air conditioner capable of continuously heating and defrosting and control method of air conditioner |
| CN105318618A (en) * | 2015-09-23 | 2016-02-10 | 广东美的暖通设备有限公司 | Air cooled hot pump water cooling and heating machine and defrosting control method thereof |
| CN105318454A (en) * | 2015-11-13 | 2016-02-10 | 清华大学 | Air source multi-connected type air conditioning heat pump system and operation method thereof |
| CN105526680A (en) * | 2016-01-19 | 2016-04-27 | 珠海格力电器股份有限公司 | Defrosting control method and device for multi-system air cooling unit |
| CN108087950A (en) * | 2018-01-10 | 2018-05-29 | 广东瑞星新能源科技有限公司 | A kind of dual system heat pump and its heating method and defrosting method |
| CN111664549A (en) * | 2020-06-10 | 2020-09-15 | 青岛海信日立空调系统有限公司 | Air conditioner |
| WO2022046727A1 (en) * | 2020-08-28 | 2022-03-03 | Rheem Manufacturing Company | Heat pump systems with gas bypass and methods thereof |
-
2012
- 2012-12-17 CN CN2012207234919U patent/CN202973694U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968594A (en) * | 2014-05-28 | 2014-08-06 | 广东志高暖通设备股份有限公司 | Air cooling heat pump unit |
| CN104654461A (en) * | 2015-01-29 | 2015-05-27 | 珠海格力电器股份有限公司 | Air conditioner capable of continuously heating and defrosting and control method of air conditioner |
| CN105318618B (en) * | 2015-09-23 | 2017-12-08 | 广东美的暖通设备有限公司 | Air-cooled heat pump cold-hot water machine and its defrosting control method |
| CN105318618A (en) * | 2015-09-23 | 2016-02-10 | 广东美的暖通设备有限公司 | Air cooled hot pump water cooling and heating machine and defrosting control method thereof |
| CN105318454B (en) * | 2015-11-13 | 2018-04-10 | 清华大学 | A kind of air-source multiple air conditioner heat pump system and its operation method |
| CN105318454A (en) * | 2015-11-13 | 2016-02-10 | 清华大学 | Air source multi-connected type air conditioning heat pump system and operation method thereof |
| CN105526680A (en) * | 2016-01-19 | 2016-04-27 | 珠海格力电器股份有限公司 | Defrosting control method and device for multi-system air cooling unit |
| CN105526680B (en) * | 2016-01-19 | 2018-09-25 | 珠海格力电器股份有限公司 | The air-cooled cold wind unit defrosting control method of multisystem and device |
| CN108087950A (en) * | 2018-01-10 | 2018-05-29 | 广东瑞星新能源科技有限公司 | A kind of dual system heat pump and its heating method and defrosting method |
| CN111664549A (en) * | 2020-06-10 | 2020-09-15 | 青岛海信日立空调系统有限公司 | Air conditioner |
| CN111664549B (en) * | 2020-06-10 | 2023-09-12 | 青岛海信日立空调系统有限公司 | air conditioner |
| WO2022046727A1 (en) * | 2020-08-28 | 2022-03-03 | Rheem Manufacturing Company | Heat pump systems with gas bypass and methods thereof |
| US11519646B2 (en) | 2020-08-28 | 2022-12-06 | Rheem Manufacturing Company | Heat pump systems with gas bypass and methods thereof |
| US11761693B2 (en) * | 2020-08-28 | 2023-09-19 | Rheem Manufacturing Company | Heat pump systems with gas bypass and methods thereof |
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Addressee: Su Guoyan Document name: Notification that Application Deemed not to be Proposed |
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| C41 | Transfer of patent application or patent right or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 303, 510275, 304, Haizhu Zhongda science and technology building, No. 135 West Haizhuqu District Road, Xingang, Guangdong, Guangzhou, China Patentee after: GUANGZHOU KELI NEW ENERGY Co.,Ltd. Patentee after: GUANGDONG KELI NEW ENERGY Co.,Ltd. Address before: 303, 510275, 304, Haizhu Zhongda science and technology building, No. 135 West Haizhuqu District Road, Xingang, Guangdong, Guangzhou, China Patentee before: GUANGZHOU KELI NEW ENERGY Co.,Ltd. Patentee before: Guangdong Keli New Energy Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160311 Address after: 303, 510275, 304, Haizhu Zhongda science and technology building, No. 135 West Haizhuqu District Road, Xingang, Guangdong, Guangzhou, China Patentee after: GUANGZHOU KELI NEW ENERGY Co.,Ltd. Address before: 303, 510275, 304, Haizhu Zhongda science and technology building, No. 135 West Haizhuqu District Road, Xingang, Guangdong, Guangzhou, China Patentee before: GUANGZHOU KELI NEW ENERGY Co.,Ltd. Patentee before: Guangdong Keli New Energy Co.,Ltd. |
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