CN219511049U - Carbon dioxide air source heat pump air heater - Google Patents
Carbon dioxide air source heat pump air heater Download PDFInfo
- Publication number
- CN219511049U CN219511049U CN202320831244.9U CN202320831244U CN219511049U CN 219511049 U CN219511049 U CN 219511049U CN 202320831244 U CN202320831244 U CN 202320831244U CN 219511049 U CN219511049 U CN 219511049U
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- CN
- China
- Prior art keywords
- carbon dioxide
- valve
- port
- heat exchanger
- pressure pipe
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 61
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 15
- 238000001035 drying Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model belongs to the field of heat pump heating, and in particular relates to a carbon dioxide air source heat pump air heater which comprises an outdoor unit, an indoor heat exchanger, a high-pressure pipe and a low-pressure pipe, wherein the outdoor unit and the indoor heat exchanger are connected with each other through the high-pressure pipe and the low-pressure pipe, an electromagnetic four-way reversing valve is arranged in the outdoor unit, four ports of the electromagnetic four-way reversing valve are connected with a low-pressure valve, a carbon dioxide liquid storage tank, a carbon dioxide compressor and an outdoor heat exchanger, the outdoor heat exchanger is connected with an electronic expansion valve, the electronic expansion valve is respectively connected with a capillary and a refrigerating filter dryer, the capillary is connected with a heating filter dryer, the refrigerating filter dryer is connected with a check valve, and the check valve is connected with the heating filter dryer, and the tail end of the heating filter dryer is connected with the high-pressure valve. The utility model has the beneficial effects that: the carbon dioxide heat pump technology can be used for preparing high-temperature heat energy, can be operated for a long time at a lower environment temperature, and is more energy-saving and environment-friendly.
Description
Technical Field
The utility model belongs to the field of heat pump heating, and particularly relates to a low-ambient-temperature air source heat pump air heater taking carbon dioxide as a refrigerant.
Background
Along with the increasing use of various energy sources, the Chinese economy is in a transformation period, and the energy source consumption and the higher emission of atmospheric pollutants bring great pressure to the environment, so that environmental and energy source problems are emphasized. How to save energy and reduce emission becomes a focus of national attention.
The carbon dioxide refrigerant ODP (ozone depletion potential) is 0, gwp (global warming potential) is only 1, and the carbon emission using the same amount of conventional refrigerant is three thousand times that of the carbon dioxide refrigerant.
The environment protection consideration is the most important factor behind innovation, the carbon dioxide heat pump technology is fully utilized to prepare high-temperature heat energy, the application temperature range is wider than that of a common air energy heat pump, the heat pump can be operated for a long time at a lower environment temperature, the application field of the heat pump technology is expanded, and the heat pump technology is an urgent problem to be solved in the current technical industry.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provide a low-ambient-temperature air source heat pump air heater taking carbon dioxide as a refrigerant.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a carbon dioxide air source heat pump air heater, it includes off-premises station 1 and indoor heat exchanger 2, high-pressure pipe 3 and low-pressure pipe 4, connects each other through high-pressure pipe 3 and low-pressure pipe 4 between off-premises station 1 and the indoor heat exchanger 2, the inside solenoid-operated four-way reversing valve 10 that is provided with of off-premises station 1, four ports of solenoid-operated four-way reversing valve 10 are connected with low-pressure valve 11, carbon dioxide liquid storage pot 12, carbon dioxide compressor 13, outdoor heat exchanger 14 through the pipeline, communicate through the pipeline between carbon dioxide liquid storage pot 12 and the carbon dioxide compressor 13, outdoor heat exchanger 14 is connected with electronic expansion valve 15 through the pipeline, electronic expansion valve 15 is connected with capillary 16 and refrigerating filter dryer 17 through the pipeline respectively, and capillary 16 is connected with refrigerating filter dryer 18 through the pipeline, refrigerating filter dryer 17 is connected with check valve 19 through the pipeline, check valve 19 is connected with heating filter dryer 18 through the pipeline, heating filter dryer 18's end-to high-pressure valve 110.
The electromagnetic four-way reversing valve 10 is provided with a reversing valve first port 101, a reversing valve second port 102, a reversing valve third port 103 and a reversing valve fourth port 104, wherein the reversing valve first port 101 is connected with the low-pressure valve 11 through a pipeline, the reversing valve second port 102 is connected with the carbon dioxide liquid storage tank 12 through a pipeline, the reversing valve third port 103 is connected with the carbon dioxide compressor 13 through a pipeline, and the reversing valve fourth port 104 is connected with the outdoor heat exchanger 14 through a pipeline.
The electronic expansion valve 15 is provided with an expansion valve first port 151 and an expansion valve second port 152, the expansion valve first port 151 is connected with the outdoor heat exchanger 14 through a pipeline, the expansion valve second port 152 is connected with a capillary tube 16 and a refrigerating filter dryer 17 through a pipeline, the capillary tube 16 and the refrigerating filter dryer 17 are arranged in parallel, the other end of the capillary tube 16 is connected with a heating filter dryer 18 through a pipeline, the refrigerating filter dryer 17 is connected with a check valve 19 through a pipeline, and the check valve 19 is connected with the heating filter dryer 18 through a pipeline.
The carbon dioxide compressor 13 adopts a multistage scroll compressor, and more than two groups of scroll fixed disks and movable disks are arranged in the carbon dioxide compressor 13.
One end of the indoor heat exchanger 2 is connected with the high-pressure valve 110 through the high-pressure pipe 3, and the other end of the indoor heat exchanger 2 is connected with the low-pressure valve 11 through the low-pressure pipe 4.
The high-pressure pipe 3 and the low-pressure pipe 4 are stainless steel pipes.
After the technical scheme is adopted, the utility model has the beneficial effects that: the carbon dioxide heat pump technology can be used for preparing high-temperature heat energy, has a wider applicable temperature range than a common air energy heat pump, can run for a long time at a lower ambient temperature, expands the application field of the heat pump technology, and is more energy-saving and environment-friendly compared with the traditional refrigeration and heating equipment.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic view illustrating installation of an outdoor unit and an indoor heat exchanger according to the present utility model.
Fig. 2 is a schematic diagram of the connection of the components of the present utility model.
Reference numerals illustrate: the outdoor unit 1, the indoor heat exchanger 2, the high-pressure pipe 3, the low-pressure pipe 4, the electromagnetic four-way reversing valve 10, the low-pressure valve 11, the carbon dioxide storage tank 12, the carbon dioxide compressor 13, the outdoor heat exchanger 14, the electronic expansion valve 15, the capillary tube 16, the refrigerating filter dryer 17, the heating filter dryer 18, the check valve 19, the high-pressure valve 110, the reversing valve first port 101, the reversing valve second port 102, the reversing valve third port 103, the reversing valve fourth port 104, the expansion valve first port 151 and the expansion valve second port 152.
Detailed Description
Referring to fig. 1-2, the technical scheme adopted in the specific embodiment is as follows: the utility model relates to a carbon dioxide air source heat pump air heater, which comprises an outdoor unit 1, an indoor heat exchanger 2, a high-pressure pipe 3 and a low-pressure pipe 4, wherein the outdoor unit 1 and the indoor heat exchanger 2 are mutually connected through the high-pressure pipe 3 and the low-pressure pipe 4, an electromagnetic four-way reversing valve 10 is arranged in the outdoor unit 1, the electromagnetic four-way reversing valve 10 is provided with a reversing valve first port 101, a reversing valve second port 102, a reversing valve third port 103 and a reversing valve fourth port 104, the reversing valve first port 101 is connected with a low-pressure valve 11 through a pipeline, the reversing valve second port 102 is connected with a carbon dioxide liquid storage tank 12 through a pipeline, the reversing valve third port 103 is connected with a carbon dioxide compressor 13 through a pipeline, the reversing valve fourth port 104 is connected with an outdoor heat exchanger 14 through a pipeline, the carbon dioxide liquid storage tank 12 is communicated with the carbon dioxide compressor 13 through a pipeline, and the electromagnetic four-way reversing valve 10 can be used for carrying out winter heating, summer refrigerating and dehumidifying modes of exchanging, and the maximum potential of the air heater is fully played.
The carbon dioxide compressor 13 adopts a multistage vortex type compressor, more than two groups of vortex type static discs and moving discs are arranged in the carbon dioxide compressor 13, compared with the existing axial flow compressor, the compressor motor can liquefy the carbon dioxide refrigerant only by lower electric energy under low-load operation, and the phenomenon of clamping stagnation of an air inlet valve plate and an air outlet valve plate in the low-temperature operation process of the existing compressor for filling the carbon dioxide refrigerant is avoided.
One end of the outdoor heat exchanger 14 is connected with the electromagnetic four-way reversing valve 10 through a pipeline, the other end of the outdoor heat exchanger is connected with the electronic expansion valve 15 through a pipeline, the electronic expansion valve 15 can accurately control the flow of the refrigerant, the phenomenon of gas-liquid entrainment in the gasification process of the carbon dioxide refrigerant is effectively avoided, and the evaporation temperature is accurately controlled.
The electronic expansion valve 15 is provided with an expansion valve first port 151 and an expansion valve second port 152, the expansion valve first port 151 is connected with the outdoor heat exchanger 14 through a pipeline, a capillary tube 16 and a refrigerating filter dryer 17 are connected to the expansion valve second port 152 through a pipeline, the capillary tube 16 and the refrigerating filter dryer 17 are arranged in parallel, the other end of the capillary tube 16 is connected with a heating filter dryer 18 through a pipeline, the other end of the refrigerating filter dryer 17 is connected with a check valve 19 through a pipeline, the other end of the check valve 19 is connected with the heating filter dryer 18 through a pipeline, the check valve 19 and the refrigerating filter dryer 17 act to perform single conduction and refrigerant filtering functions only in summer refrigeration and dehumidification modes of a heat pump air heater, and the auxiliary electronic expansion valve 15 with the capillary tube 16 arranged effectively controls the gas-liquid conversion efficiency of carbon dioxide refrigerant in the heating process of an air source heat pump air heat pump mechanism.
The end of the heated filter dryer 18 is connected to a high pressure valve 110.
The refrigerating and drying filter 17 and the heating and drying filter 18 can compensate and adjust the deficiency of the carbon dioxide refrigerant, can absorb the moisture in the refrigerating system, block the impurities in the system, and prevent the pipeline of the air heater system from ice blockage and dirty blockage, thereby affecting the normal operation of the refrigerating/heating system.
The high pressure valve 110 is connected to the indoor heat exchanger 2 through the high pressure pipe 3. The low pressure valve 11 is connected to the indoor heat exchanger 2 through the low pressure pipe 4. Considering that the air source heat pump air heater taking carbon dioxide as a refrigerant needs about 35MP of working pressure during working operation, the related components and pipelines are designed by adopting stainless steel materials. The high-pressure pipe 3 and the low-pressure pipe 4 are both stainless steel pipes.
Operating conditions in winter: the carbon dioxide refrigerant is compressed into high-temperature high-pressure gas by a cyclone carbon dioxide compressor 13, the gas enters an indoor heat exchanger 2 through an electromagnetic four-way reversing valve 10 and a low-pressure valve 11 to be condensed and liquefied, a large amount of heat is discharged by the condensation and liquefaction to become a low-temperature carbon dioxide gas-liquid mixture, the generated heat is taken away by air around the indoor heat exchanger 2 and enters a capillary tube 16 and an electronic expansion valve 15 through a high-pressure valve 110 and a heating drying filter 18 to be throttled and depressurized, the throttled and depressurized is completely gasified and then enters an outdoor heat exchanger 14, and at the moment, the completely gasified carbon dioxide refrigerant absorbs the heat of the outdoor air and then enters the carbon dioxide compressor 13 again through a carbon dioxide liquid storage tank 12 to be recycled through the electromagnetic four-way reversing valve 10, so that a hot air mechanism and a hot air heating mode of the air heat pump are completed.
Operating conditions in summer: the carbon dioxide working medium is compressed into high-temperature high-pressure gas through the cyclone compressor 13, enters the outdoor evaporator 14 through the electromagnetic four-way reversing valve 10, is cooled by outdoor air, enters the electronic expansion valve 15 after heat is taken away, becomes low-temperature carbon dioxide gas after throttling and depressurization, is completely gasified through the refrigeration drying filter 17, the check valve 19 and the heating dryer 18, and enters the carbon dioxide compressor 13 again through the carbon dioxide liquid storage tank 12 for recycling after the heat in the indoor space is absorbed through the indoor exchanger 112, so that the air source heat pump air heater refrigerating mode is completed.
After the technical scheme is adopted, the utility model has the beneficial effects that: the carbon dioxide heat pump technology can be used for preparing high-temperature heat energy, has a wider applicable temperature range than a common air energy heat pump, can run for a long time at a lower ambient temperature, expands the application field of the heat pump technology, and is more energy-saving and environment-friendly compared with the traditional refrigeration and heating equipment.
The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.
Claims (6)
1. A carbon dioxide air source heat pump air heater is characterized in that: the air conditioner comprises an outdoor unit (1) and an indoor heat exchanger (2), a high-pressure pipe (3) and a low-pressure pipe (4), wherein the outdoor unit (1) and the indoor heat exchanger (2) are connected with each other through the high-pressure pipe (3) and the low-pressure pipe (4), an electromagnetic four-way reversing valve (10) is arranged inside the outdoor unit (1), four ports of the electromagnetic four-way reversing valve (10) are connected with a low-pressure valve (11), a carbon dioxide liquid storage tank (12), a carbon dioxide compressor (13) and an outdoor heat exchanger (14) through pipelines, the carbon dioxide liquid storage tank (12) and the carbon dioxide compressor (13) are communicated through pipelines, the outdoor heat exchanger (14) is connected with an electronic expansion valve (15) through pipelines, the electronic expansion valve (15) is respectively connected with a capillary tube (16) and a refrigerating filter dryer (17) through pipelines, the refrigerating filter dryer (17) is connected with a check valve (19) through pipelines, the check valve (19) is connected with the heating filter dryer (18) through pipelines, and the tail end of the heating dryer (110) is connected with the high-pressure filter dryer (110).
2. A carbon dioxide air source heat pump air heater according to claim 1, wherein: the electromagnetic four-way reversing valve (10) is provided with a reversing valve first port (101), a reversing valve second port (102), a reversing valve third port (103) and a reversing valve fourth port (104), the reversing valve first port (101) is connected with a low-pressure valve (11) through a pipeline, the reversing valve second port (102) is connected with a carbon dioxide liquid storage tank (12) through a pipeline, the reversing valve third port (103) is connected with a carbon dioxide compressor (13) through a pipeline, and the reversing valve fourth port (104) is connected with an outdoor heat exchanger (14) through a pipeline.
3. A carbon dioxide air source heat pump air heater according to claim 1, wherein: the electronic expansion valve (15) is provided with an expansion valve first port (151) and an expansion valve second port (152), the expansion valve first port (151) is connected with the outdoor heat exchanger (14) through a pipeline, the expansion valve second port (152) is connected with a capillary tube (16) and a refrigerating filter dryer (17) through a pipeline, the capillary tube (16) and the refrigerating filter dryer (17) are arranged in parallel, one end of the capillary tube (16) is connected with the expansion valve second port (152) through a pipeline, and the other end of the capillary tube is connected with the heating filter dryer (18) through a pipeline.
4. A carbon dioxide air source heat pump air heater according to claim 1, wherein: the carbon dioxide compressor (13) adopts a multistage scroll compressor, and more than two groups of scroll static discs and moving discs are arranged in the carbon dioxide compressor (13).
5. A carbon dioxide air source heat pump air heater according to claim 1, wherein: one end of the indoor heat exchanger (2) is connected with the high-pressure valve (110) through the high-pressure pipe (3), and the other end of the indoor heat exchanger (2) is connected with the low-pressure valve (11) through the low-pressure pipe (4).
6. A carbon dioxide air source heat pump air heater according to claim 1, wherein: the high-pressure pipe (3) and the low-pressure pipe (4) are stainless steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320831244.9U CN219511049U (en) | 2023-04-14 | 2023-04-14 | Carbon dioxide air source heat pump air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320831244.9U CN219511049U (en) | 2023-04-14 | 2023-04-14 | Carbon dioxide air source heat pump air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219511049U true CN219511049U (en) | 2023-08-11 |
Family
ID=87547088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320831244.9U Active CN219511049U (en) | 2023-04-14 | 2023-04-14 | Carbon dioxide air source heat pump air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219511049U (en) |
-
2023
- 2023-04-14 CN CN202320831244.9U patent/CN219511049U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 966 Yingbin South Street, Jizhou District, Hengshui City, Hebei Province, 053200 Patentee after: Hebei Guosen Heating Equipment Co.,Ltd. Country or region after: China Address before: 053200 the west side of Yingbin Avenue, north of Kaiyuan Road, Jizhou District, Hengshui, Hebei. Patentee before: HEBEI CHUNFENG HEATING EQUIPMENT CO.,LTD. Country or region before: China |