CN204963283U - Ultra -low temperature air source heat pump unit - Google Patents
Ultra -low temperature air source heat pump unit Download PDFInfo
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- CN204963283U CN204963283U CN201520626333.5U CN201520626333U CN204963283U CN 204963283 U CN204963283 U CN 204963283U CN 201520626333 U CN201520626333 U CN 201520626333U CN 204963283 U CN204963283 U CN 204963283U
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- low temperature
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- air source
- heat pump
- pump unit
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Abstract
The utility model discloses an ultra -low temperature air source heat pump unit, include through compressor and economic ware, through oil circuit and freon return circuit intercommunication between compressor and the economic ware, the intercommunication has the finned heat exchanger and a water side heat exchanger of parallelly connected setting on the freon return circuit, the utility model discloses an incomplete refrigerated two -stage compression refrigeration circulation in the middle of the unit double stage compressor, one -level throttle, through the optimal design to circulation system, the application of economic ware system, oily cooling system's application, the application of middle hydrojet system, when having solved conventional generating unit and moving under ultra -low temperature environment, exhaust temperature is too high, the unable operation scheduling problem that starts of unit.
Description
Technical field
The utility model relates to a kind of source pump, relates to a kind of for can the ultra-low temperature air source heat pump unit of stable operation under low temperature environment specifically, belongs to field of Refrigeration and Air-conditioning.
Background technology
Along with the development of society, energy-conservationly day by day become with environmental protection the key issue restricting the sustainable development of socio-economy, the comprehensive development and utilization of regenerative resource has become an emphasis direction of energy development and utilization.Heat pump techniques, since appearance, with the unique advantage of its high-efficient energy-saving environment friendly, has become the focus of research, and heat pump energy-conserving technology also to have obtained in China as state key power-saving technology promotion project and promoted widely.Wherein air source hot pump water heater is the domestic 4th kind of water heater after relay water heater, gas heater and solar water heater, and it is high to reproducible air energy utilization rate, is a kind of equipment of obvious energy conservation.
Common air source heat pump hot water system is well used in areas such as China south China and southwest.But, in north cold area, or the larger clammy area of humidity in winter, the popularization of normal air source heat pump water heater is greatly limited, and it is mainly subject to the restriction of weather conditions.When outside air temperature declines in the winter time, evaporating temperature reduces, very easily in evaporator surface frosting, reduce heat transfer effect, system heating capacity reduces, COP declines, and even can not normally start, and now water heater must produce the domestic hot-water of higher temperature, this just produces series of problems, causes ordinary hot pump water heater cannot meet the Winter heat supply needs of the northern area of China.Therefore, can the design and operation performance study of air source hot pump water heater of stable operation quite be necessary under low temperature environment.
Utility model content
Problem to be solved in the utility model be for overcome conventional power unit run under ultra-low temperature surroundings time, excessive discharge temperature, unit cannot the problem such as startup optimization, provide a kind of can the ultra-low temperature air source heat pump unit of stable operation at low ambient temperatures.
In order to solve the problem, the utility model by the following technical solutions:
A kind of ultra-low temperature air source heat pump unit, comprises by compressor and economizer, by oil circuit and freon circuit communication between described compressor and economizer, freon loop is communicated with the finned heat exchanger be arranged in parallel and water-side heat.
Below the further optimization of the utility model to such scheme:
Described compressor is single machine compression with double stage machine, comprise one section compression and two sections of compressions, economizer extraction loop compress with one section and two sections compress between intermediate cavity be communicated with.
Two sections of compressions are communicated with four-way change-over valve by oil eliminator successively with finned heat exchanger.
Oil eliminator is communicated with oil strainer by oil cooler between compressing with one section.
Be communicated with by check valve group between finned heat exchanger with economizer, water-side heat is communicated with four-way change-over valve respectively with check valve group.
The water inlet of water-side heat is communicated with the water inlet of oil cooler; The delivery port of water-side heat and the delivery port of oil cooler are by pipeline connection, and this pipeline is provided with electric control valve, and four-way change-over valve is communicated with by gas-liquid separator between compressing with one section.
Described check valve group passes through two pipeline connections in parallel with between economizer, wherein a pipeline is provided with reservoir, the first magnetic valve, the first filter, the second magnetic valve and the first electric expansion valve successively.
Another kind of bar pipeline be provided with electric expansion valve and look liquid border, being communicated with heating power expansion valve by the second filter, the 3rd magnetic valve successively between this article of pipeline compresses with one section.
The utility model adopts such scheme, and its operation principle is:
Refrigeration: the HTHP Freon gas that compressor is discharged, by oil eliminator, enters after four-way change-over valve in finned heat exchanger, release heat in air, is condensed into fluorine Lyons liquid of middle temperature high pressure.Excessively cold through economizer, electric expansion valve reducing pressure by regulating flow is low-pressure low-temperature gas-liquid mixed refrigerant, enters water-side heat.In water-side heat, absorb heat from the chilled water flowing through water-side heat housing, after being vaporizated into low temperature low pressure gas, suck compressor.Discharge through one section, two sections boil down to high temperature and high pressure gas in compressor, circulate and so forth.
Heat: the HTHP Freon gas that compressor is discharged, by oil eliminator, in the laggard water inlet side heat exchanger of four-way change-over valve, release heat in the water flowing through water-side heat housing, is condensed into fluorine Lyons liquid of middle temperature high pressure.Excessively cold through economizer, electric expansion valve reducing pressure by regulating flow is low-pressure low-temperature gas-liquid mixed refrigerant, enters finned heat exchanger.In finned heat exchanger, from air, absorb heat, after being vaporizated into low temperature low pressure gas, suck compressor.Discharge through one section, two sections boil down to high temperature and high pressure gas in compressor, circulate and so forth.
The utility model adopts single machine compression with double stage machine, the two stage compression refrigeration circulation of not exclusively cooling in the middle of one-level throttling, by the optimal design to the circulatory system, the application of economizer system, the application of oil cooling system, the application of middle spray system, solves conventional power unit when running under ultra-low temperature surroundings, excessive discharge temperature, unit cannot the problem such as startup optimization.
Normal air source source pump can only be applied in environment more than-7 DEG C; Net for air-source heat pump units with air injection enthalpy-increasing can only be applied in the environment more than-25 DEG C; This ultra-low temperature air source heat pump unit can be applied in-35 DEG C of environment, can produce 60 DEG C of hot water-35 DEG C time.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structure principle chart in the utility model embodiment.
In figure: 1-finned heat exchanger; 2-water-side heat; 3-oil cooler; 4-check valve group; 5-reservoir; 6-first magnetic valve; 7-first filter; 8-economizer; 9-second magnetic valve; 10-first electric expansion valve; 11-second electric expansion valve; 12-looks liquid border; 13-second filter; 14-the 3rd magnetic valve; 15-heating power expansion valve; 16-gas-liquid separator; 17-compressor; 171-mono-section compression; 172-bis-sections compression; 18-electric control valve; 19-oil eliminator; 20-four-way change-over valve; 21-oil strainer.
Detailed description of the invention
Embodiment, as shown in Figure 1, a kind of ultra-low temperature air source heat pump unit, comprises by compressor 17 and economizer 8, by oil circuit and freon circuit communication between described compressor 17 and economizer 8, freon loop is communicated with the finned heat exchanger 1 and water-side heat 2 that are arranged in parallel.
Described compressor 17 is single machine compression with double stage machine, comprise one section compression 171 and two sections compression 172, economizer 8 draw loop with one section compress 171 and two sections of intermediate cavity compressed between 172 be communicated with.
Two sections of compressions 172 are communicated with four-way change-over valve 20 by oil eliminator 19 successively with finned heat exchanger 1.
Oil eliminator 19 is communicated with oil strainer 21 by oil cooler 3 between compressing 171 with one section.
Be communicated with by check valve group 4 between finned heat exchanger 1 with economizer 8, water-side heat 2 is communicated with four-way change-over valve 20 respectively with check valve group 4.
The water inlet of water-side heat 2 is communicated with the water inlet of oil cooler 3;
The delivery port of water-side heat 2 and the delivery port of oil cooler 3, by pipeline connection, this pipeline are provided with electric control valve 18.
Four-way change-over valve 20 is communicated with by gas-liquid separator 16 between compressing 171 with one section.
Described check valve group 4 passes through two pipeline connections in parallel with between economizer 8, wherein a pipeline is provided with successively reservoir 5, first magnetic valve 6, first filter 7, second magnetic valve 9 and the first electric expansion valve 10.
Another kind of bar pipeline is provided with electric expansion valve 11 and looks liquid border 12, this article of pipeline is compressed 171 be communicated with heating power expansion valve 15 by the second filter 13, the 3rd magnetic valve 14 successively with one section.
The utility model adopts single machine compression with double stage machine, the two stage compression refrigeration circulation of not exclusively cooling in the middle of one-level throttling, by the optimal design to the circulatory system, the application of economizer system, the application of oil cooling system, the application of middle spray system, solves conventional power unit when running under ultra-low temperature surroundings, excessive discharge temperature, unit cannot the problem such as startup optimization.
Normal air source source pump can only be applied in environment more than-7 DEG C; Net for air-source heat pump units with air injection enthalpy-increasing can only be applied in the environment more than-25 DEG C; This ultra-low temperature air source heat pump unit can be applied in-35 DEG C of environment, can produce 60 DEG C of hot water-35 DEG C time.
Claims (10)
1. a ultra-low temperature air source heat pump unit, comprise by compressor (17) and economizer (8), it is characterized in that: by oil circuit and freon circuit communication between described compressor (17) and economizer (8), freon loop is communicated with the finned heat exchanger (1) and water-side heat (2) that are arranged in parallel.
2. a kind of ultra-low temperature air source heat pump unit according to claim 1, is characterized in that:
Described compressor (17) is single machine compression with double stage machine, and comprise one section of compression (171) and two sections of compressions (172), (171) are compressed in the loop that economizer (8) is drawn with one section and two sections of intermediate cavity compressed between (172) are communicated with.
3. a kind of ultra-low temperature air source heat pump unit according to claim 2, is characterized in that:
Two sections of compressions (172) are communicated with four-way change-over valve (20) by oil eliminator (19) successively with finned heat exchanger (1).
4. a kind of ultra-low temperature air source heat pump unit according to claim 3, is characterized in that:
Oil eliminator (19) is compressed with one section between (171) and is communicated with oil strainer (21) by oil cooler (3).
5. a kind of ultra-low temperature air source heat pump unit according to claim 4, is characterized in that:
Be communicated with by check valve group (4) between finned heat exchanger (1) with economizer (8), water-side heat (2) is communicated with four-way change-over valve (20) respectively with check valve group (4).
6. a kind of ultra-low temperature air source heat pump unit according to claim 5, is characterized in that:
The water inlet of water-side heat (2) is communicated with the water inlet of oil cooler (3).
7. a kind of ultra-low temperature air source heat pump unit according to claim 6, is characterized in that:
The delivery port of water-side heat (2) and the delivery port of oil cooler (3), by pipeline connection, this pipeline are provided with electric control valve (18).
8. a kind of ultra-low temperature air source heat pump unit according to claim 7, is characterized in that:
Four-way change-over valve (20) is compressed with one section between (171) and is communicated with by gas-liquid separator (16).
9. a kind of ultra-low temperature air source heat pump unit according to claim 8, is characterized in that:
Described check valve group (4) passes through two pipeline connections in parallel with between economizer (8), wherein a pipeline is provided with successively reservoir, the first magnetic valve (6), the first filter (7), the second magnetic valve (9) and the first electric expansion valve (10).
10. a kind of ultra-low temperature air source heat pump unit according to claim 9, is characterized in that:
Another kind of bar pipeline is provided with electric expansion valve (11) and looks liquid border (12), and this article of pipeline is compressed with one section between (171) and is communicated with heating power expansion valve (15) by the second filter (13), the 3rd magnetic valve (14) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626333.5U CN204963283U (en) | 2015-08-19 | 2015-08-19 | Ultra -low temperature air source heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626333.5U CN204963283U (en) | 2015-08-19 | 2015-08-19 | Ultra -low temperature air source heat pump unit |
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| CN204963283U true CN204963283U (en) | 2016-01-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196382A (en) * | 2016-08-31 | 2016-12-07 | 南京五洲制冷集团有限公司 | Ultralow ambient temperature air source source pump |
| CN106403336A (en) * | 2016-11-02 | 2017-02-15 | 广州欧亚制冷设备制造有限公司 | Screw type ultralow temperature one-machine two-stage unit system and control method |
| CN109099501A (en) * | 2018-10-08 | 2018-12-28 | 青岛亿能热电设备有限公司 | The novel heating device that air source heat pump and vapour-water heat-exchange unit cooperate |
| CN110873353A (en) * | 2018-08-29 | 2020-03-10 | 青岛沃润达新能源科技有限公司 | Combined device for recovering waste heat of condensed water of steam heat exchange station |
-
2015
- 2015-08-19 CN CN201520626333.5U patent/CN204963283U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196382A (en) * | 2016-08-31 | 2016-12-07 | 南京五洲制冷集团有限公司 | Ultralow ambient temperature air source source pump |
| CN106403336A (en) * | 2016-11-02 | 2017-02-15 | 广州欧亚制冷设备制造有限公司 | Screw type ultralow temperature one-machine two-stage unit system and control method |
| CN110873353A (en) * | 2018-08-29 | 2020-03-10 | 青岛沃润达新能源科技有限公司 | Combined device for recovering waste heat of condensed water of steam heat exchange station |
| CN109099501A (en) * | 2018-10-08 | 2018-12-28 | 青岛亿能热电设备有限公司 | The novel heating device that air source heat pump and vapour-water heat-exchange unit cooperate |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160713 Address after: Wei glue road 261021 in Shandong province Weifang city Weicheng District No. 3999 building 403 Patentee after: Shandong Green New Energy Co., Ltd. Address before: 261052 No. 3999, Airport Road, Weicheng District, Shandong, Weifang Patentee before: Shandong Lvte Air Conditioner System Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180608 Address after: 261021 3999 Airport South Road, Weicheng District, Weifang, Shandong. Patentee after: Shandong Lvte Air Conditioner System Co.,Ltd. Address before: 261021 R & D building 3999, Weifang Road, Weicheng District, Weifang, Shandong 403 Patentee before: Shandong Green New Energy Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210330 Address after: 261052 weijiao Road, Weicheng District, Weifang, Shandong Province, No. 3999 Patentee after: Lvte guochuang (Weifang) energy saving Technology Co.,Ltd. Address before: 261021 3999 Airport South Road, Weicheng District, Weifang, Shandong. Patentee before: SHANDONG LYTTE AIR CONDITIONING SYSTEM Co.,Ltd. |
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| TR01 | Transfer of patent right |