CN210772602U - Anti-frosting heat pump air conditioning system - Google Patents
Anti-frosting heat pump air conditioning system Download PDFInfo
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- CN210772602U CN210772602U CN201921737307.4U CN201921737307U CN210772602U CN 210772602 U CN210772602 U CN 210772602U CN 201921737307 U CN201921737307 U CN 201921737307U CN 210772602 U CN210772602 U CN 210772602U
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Abstract
The anti-frosting heat pump air-conditioning system comprises a compressor, an indoor side heat exchanger fan, an expansion valve, an outdoor side heat exchanger, a surface contact type heat exchanger, an air blower, a refrigerant circulating pipeline, an air inlet and outlet pipeline, a drying filter, refrigerating fluid, a refrigerating fluid circulating pipeline and a refrigerating fluid circulating pump, wherein the refrigerant pipelines on one side of the compressor, the indoor side heat exchanger, the expansion valve and the outdoor side heat exchanger are sequentially connected in series through the refrigerant circulating pipeline, and the refrigerating fluid circulating pump and the refrigerating fluid pipeline on the other side of the outdoor side heat exchanger are sequentially connected in series in the refrigerating fluid circulating pipeline. The utility model discloses a three circulation circuit is refrigerant circulation circuit, refrigerating fluid circulation circuit, air cycle return circuit respectively, and the heat transfer is accomplished with the coolant liquid to the refrigerant in outdoor side heat exchanger, accomplishes the heat transfer with the air to the refrigerant in surface contact heat exchanger. The utility model discloses can utilize the lower freezing point's of refrigerating fluid temperature characteristic, solve current heat pump air conditioner and heat the problem that frosting or freezing appears in the outdoor side heat exchanger in low temperature environment.
Description
Technical Field
The utility model relates to a heat pump air conditioning system in air conditioning technology field, especially an utilize the refrigerating fluid to prevent frosting heat pump air conditioning system that prevents frosting.
Background
The heat pump type air conditioner is based on the common air conditioner, and has one four-way reversing valve installed to alter the operation of the valve, so that the functions of the evaporator and the condenser of the air conditioner may be interchanged to change the indoor air cooling function into indoor air heating function. The air conditioner which can extract heat from outdoor lower air in winter to heat indoor air and remove heat from indoor air in summer to transfer heat to outdoor is called heat pump type air conditioner.
However, in the low temperature heating mode of the air conditioner, the outdoor side evaporator needs to absorb heat in the external environment to supply heat to the indoor side for heating. In the working mode, the heat of the external environment can be obtained only when the temperature of the outdoor heat exchanger is at least 5K lower than the temperature of the outdoor environment, most working conditions of the surface temperature of the outdoor heat exchanger are about-10 ℃ in the heating mode in the conventional R134a heat pump system, and the condition of frosting or icing is easily generated when outdoor wet air exchanges heat on the surface of the heat exchanger, so that the air conditioning system cannot normally work.
Disclosure of Invention
The utility model discloses to the not enough of above-mentioned prior art, provide a prevent frosting heat pump air conditioning system, can utilize the lower freezing point's of cryogenic fluid temperature characteristic, solve current heat pump air conditioner and heat the outdoor side heat exchanger in low temperature environment and appear frosting or frozen problem.
The utility model discloses a realize through following technical scheme, the utility model discloses a compressor, indoor side heat exchanger fan, expansion valve, outdoor side heat exchanger, surface contact heat exchanger, the air-blower, refrigerant circulation pipeline, air outlet pipeline, drying filter, air inlet pipeline, the refrigerating fluid, refrigerating fluid circulation pipeline, refrigerating fluid circulating pump, the both sides of outdoor side heat exchanger are refrigerant pipeline and refrigerating fluid pipeline respectively, the refrigerant pipeline of compressor, indoor side heat exchanger, expansion valve, outdoor side heat exchanger one side concatenates together through refrigerant circulation pipeline in proper order, indoor side heat exchanger fan arranges in one side of indoor side heat exchanger; the drying filter is arranged in the middle of the surface contact type heat exchanger, the refrigerating fluid is arranged at the bottom of the surface contact type heat exchanger, the inlet end of a refrigerating fluid circulating pipeline is communicated with the bottom of the surface contact type heat exchanger, the outlet end of the refrigerating fluid circulating pipeline penetrates through the top of the surface contact type heat exchanger and then extends into the refrigerating fluid, a refrigerating fluid circulating pump and a refrigerating fluid pipeline on the other side of the outdoor side heat exchanger are sequentially connected in series in the refrigerating fluid circulating pipeline, and the refrigerating fluid circulating pump is positioned at the upstream of the outdoor side heat exchanger; the air inlet of the air inlet pipeline is connected with the air outlet of the blower, and the air outlet of the air inlet pipeline is communicated with the bottom of the surface contact type heat exchanger; the air inlet of the air outlet pipeline is communicated with the top of the surface contact type heat exchanger, and the air outlet of the air outlet pipeline is communicated with the atmosphere.
Further, the utility model discloses in, outdoor side heat exchanger is plate heat exchanger, and the cryogenic fluid is the mixture of water and ethylene glycol.
Furthermore, the utility model discloses in, the gas outlet of air inlet pipeline is a plurality ofly to arrange in surface contact heat exchanger's bottom array.
Further, the utility model discloses in, surface contact heat exchanger's top is circular-arc structure, and the bottom is cylindric structure.
Compared with the prior art, the utility model discloses have following beneficial effect and do: the utility model relates to a rationally, simple structure can utilize the freezing point's of cryogenic fluid-38 degrees characteristic, solves current heat pump air conditioner and heats the outdoor side heat exchanger problem that frosts or freeze in low temperature environment.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
wherein: 1. the system comprises a compressor, 2, an indoor side heat exchanger, 3, an indoor side heat exchanger fan, 4, an expansion valve, 5, an outdoor side heat exchanger, 6, a surface contact type heat exchanger, 7, a blower, 8, a refrigerant circulating pipeline, 9, an air outlet pipeline, 10, a drying filter, 11, an air inlet pipeline, 12, refrigerating fluid, 13, a refrigerating fluid circulating pipeline, 14 and a refrigerating fluid circulating pump.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments of the present invention are based on the technical solution of the present invention and provide detailed embodiments and specific operation processes, but the scope of the present invention is not limited to the following embodiments.
Examples
Embodiment as shown in fig. 1, the utility model discloses a compressor 1, indoor side heat exchanger 2, indoor side heat exchanger fan 3, expansion valve 4, outdoor side heat exchanger 5, surface contact heat exchanger 6, air-blower 7, refrigerant circulation pipeline 8, air outlet pipeline 9, drying filter 10, air inlet pipeline 11, refrigerating fluid 12, refrigerating fluid circulation pipeline 13, refrigerating fluid circulating pump 14, the both sides of outdoor side heat exchanger 5 are refrigerant pipeline and refrigerating fluid pipeline respectively, compressor 1, indoor side heat exchanger 2, expansion valve 4, the refrigerant pipeline of outdoor side heat exchanger 5 one side concatenates together through refrigerant circulation pipeline 8 in proper order, indoor side heat exchanger fan 3 arranges in one side of indoor side heat exchanger 2; the drying filter 10 is arranged in the middle of the surface contact type heat exchanger 6, the refrigerating fluid 12 is arranged at the bottom of the surface contact type heat exchanger 6, the inlet end of a refrigerating fluid circulating pipeline 13 is communicated with the bottom of the surface contact type heat exchanger 6, the outlet end of the refrigerating fluid circulating pipeline 13 penetrates through the top of the surface contact type heat exchanger 6 and then extends into the refrigerating fluid 12, a refrigerating fluid circulating pump 14 and a refrigerating fluid pipeline on the other side of the outdoor side heat exchanger 5 are sequentially connected in series in the refrigerating fluid circulating pipeline 13, and the refrigerating fluid circulating pump 14 is located at the upstream of the outdoor side heat exchanger 5; an air inlet of the air inlet pipeline 11 is connected with an air outlet of the blower 7, and an air outlet of the air inlet pipeline 11 is communicated with the bottom of the surface contact type heat exchanger 6; an air inlet of the air outlet pipeline 9 is communicated with the top of the surface contact type heat exchanger 6, and an air outlet of the air outlet pipeline 9 is communicated with the atmosphere. The outdoor heat exchanger 5 is a plate heat exchanger, and the refrigerating fluid 12 is a mixture of water and glycol. The air inlet pipeline 11 has a plurality of air outlets and is arranged in an array at the bottom of the surface-contact heat exchanger 6. The top of the surface contact type heat exchanger 6 is of an arc-shaped structure, and the bottom of the surface contact type heat exchanger is of a cylindrical structure.
The utility model discloses a three circulation circuit is refrigerant circulation circuit, refrigerating fluid circulation circuit, air cycle return circuit respectively.
In the implementation process of the utility model, the refrigerant vapor is compressed into high-temperature and high-pressure vapor under the action of the compressor 1, and the high-temperature and high-pressure vapor is cooled by the outside air in the condenser 2 to release heat to form high-pressure super-cooled refrigerant liquid; the high-pressure super-cooled refrigerant is throttled into a low-pressure low-temperature saturated refrigerant through the expansion valve 4, absorbs the heat of refrigerating fluid in the outdoor heat exchanger 5, is vaporized and superheated, and then returns to the compressor 1 for cyclic compression, so that the circulation of a refrigerant loop is completed.
Refrigerating fluid in the outdoor heat exchanger 5 forms refrigerating fluid with lower temperature after being absorbed by refrigerant, returns to the surface contact heat exchanger 6 through a refrigerating fluid circulating pipeline 13, performs mixed heat exchange with air in the environment in the surface contact heat exchanger 6, absorbs heat in the air, is conveyed to the outdoor heat exchanger 5 through a refrigerating fluid circulating pump 14 after the temperature is increased, and then releases heat to the refrigerant with low temperature and low pressure. After releasing heat in the outdoor heat exchanger 5, the refrigerant returns to the surface contact heat exchanger 6 again to form a refrigerant fluid circulation.
The air in the surface contact type heat exchanger 6 comes from the atmospheric environment, is transported to the surface contact type heat exchanger 6 by the centrifugal fan 7, and after fully exchanging heat with the low-temperature refrigerating fluid in the surface contact type heat exchanger 6, flows into the atmosphere through the air outlet pipeline 9, and completes the circulation of the air loop.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (4)
1. An anti-frosting heat pump air conditioning system comprises a compressor (1), an indoor side heat exchanger (2), an indoor side heat exchanger fan (3), an expansion valve (4) and an outdoor side heat exchanger (5), the air conditioner is characterized by further comprising a surface contact type heat exchanger (6), an air blower (7), a refrigerant circulating pipeline (8), an air outlet pipeline (9), a drying filter (10), an air inlet pipeline (11), refrigerating liquid (12), a refrigerating liquid circulating pipeline (13) and a refrigerating liquid circulating pump (14), wherein the refrigerant pipeline and the refrigerating liquid pipeline are respectively arranged on two sides of the outdoor side heat exchanger (5), the refrigerant pipelines on one sides of the compressor (1), the indoor side heat exchanger (2), the expansion valve (4) and the outdoor side heat exchanger (5) are sequentially connected in series through the refrigerant circulating pipeline (8), and the indoor side heat exchanger fan (3) is arranged on one side of the indoor side heat exchanger (2); the drying filter (10) is arranged in the middle of the surface contact type heat exchanger (6), the refrigerating fluid (12) is arranged at the bottom of the surface contact type heat exchanger (6), the inlet end of a refrigerating fluid circulating pipeline (13) is communicated with the bottom of the surface contact type heat exchanger (6), the outlet end of the refrigerating fluid circulating pipeline (13) penetrates through the top of the surface contact type heat exchanger (6) and then extends into the refrigerating fluid (12), a refrigerating fluid circulating pump (14) and a refrigerating fluid pipeline on the other side of the outdoor side heat exchanger (5) are sequentially connected in series in the refrigerating fluid circulating pipeline (13), and the refrigerating fluid circulating pump (14) is located on the upstream of the outdoor side heat exchanger (5); an air inlet of the air inlet pipeline (11) is connected with an air outlet of the blower (7), and an air outlet of the air inlet pipeline (11) is communicated with the bottom of the surface contact type heat exchanger (6); an air inlet of the air outlet pipeline (9) is communicated with the top of the surface contact type heat exchanger (6), and an air outlet of the air outlet pipeline (9) is communicated with the atmosphere.
2. The anti-frosting heat pump air-conditioning system according to claim 1, wherein the outdoor heat exchanger (5) is a plate heat exchanger, and the refrigerant fluid (12) is a mixture of water and glycol.
3. The anti-frosting heat pump air-conditioning system according to claim 1, characterized in that the air inlet pipeline (11) has a plurality of air outlets arranged in an array at the bottom of the surface-contact heat exchanger (6).
4. The anti-frosting heat pump air-conditioning system according to claim 1, wherein the top of the surface contact heat exchanger (6) is of a circular arc structure, and the bottom is of a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921737307.4U CN210772602U (en) | 2019-10-16 | 2019-10-16 | Anti-frosting heat pump air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921737307.4U CN210772602U (en) | 2019-10-16 | 2019-10-16 | Anti-frosting heat pump air conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN210772602U true CN210772602U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921737307.4U Active CN210772602U (en) | 2019-10-16 | 2019-10-16 | Anti-frosting heat pump air conditioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594923A (en) * | 2019-10-16 | 2019-12-20 | 上海热翼智能科技有限公司 | Anti-frosting heat pump air conditioning system |
| CN114279007A (en) * | 2021-11-01 | 2022-04-05 | 际高科技有限公司 | Anti-frosting air source heat pump system |
-
2019
- 2019-10-16 CN CN201921737307.4U patent/CN210772602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594923A (en) * | 2019-10-16 | 2019-12-20 | 上海热翼智能科技有限公司 | Anti-frosting heat pump air conditioning system |
| CN114279007A (en) * | 2021-11-01 | 2022-04-05 | 际高科技有限公司 | Anti-frosting air source heat pump system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210722 Address after: 201306 2nd floor, no.979, Yunhan Road, Pudong New Area, Shanghai Patentee after: Shanghai thermal wing Intelligent Control System Co.,Ltd. Address before: 200240 room 057, 13 / F, building 2, 588 Zixing Road, Minhang District, Shanghai Patentee before: Shanghai hot wing Intelligent Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |