CN210070285U - Low-temperature enthalpy-increasing heat pump system - Google Patents
Low-temperature enthalpy-increasing heat pump system Download PDFInfo
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- CN210070285U CN210070285U CN201920676921.8U CN201920676921U CN210070285U CN 210070285 U CN210070285 U CN 210070285U CN 201920676921 U CN201920676921 U CN 201920676921U CN 210070285 U CN210070285 U CN 210070285U
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- heat exchanger
- compressor
- temperature enthalpy
- increasing
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Abstract
The utility model discloses a low-temperature enthalpy-increasing heat pump system, which comprises a main structure body, wherein the main structure body comprises a low-temperature enthalpy-increasing compressor, a four-way valve, a first heat exchanger, a first expansion valve, a second heat exchanger, a second expansion valve, a flash evaporation liquid storage tank and a gas-liquid separator; the low-temperature enthalpy-increasing compressor is connected with the four-way valve, the first heat exchanger, the first expansion valve and the flash evaporation liquid storage tank loop; the low-temperature enthalpy-increasing compressor is connected with the gas-liquid separator, the second heat exchanger, the second expansion valve and the flash evaporation liquid storage tank loop; a first fan and a second fan are respectively arranged on one side of the first heat exchanger and one side of the second heat exchanger; the utility model relates to a low temperature increases enthalpy heat pump system through adopting the accurate collection unit pressure of pressure sensor, increases enthalpy compression refrigeration cycle through the aperture of adjusting first expansion valve and second expansion valve, and the work efficiency and the efficiency of unit obtain great improvement, and the unit heats more stably, does not receive the environmental impact.
Description
Technical Field
The utility model relates to an air conditioner heat pump technical field specifically is a low temperature enthalpy-increasing heat pump system.
Background
The air heat pump is widely used as an energy-saving device, the heat pump system can provide refrigeration in summer and heating in winter, a cooling tower is not required to be installed, and the air heat pump is convenient to operate and wide in use.
In the existing common heat pump system, in the areas with hot summer and cold winter, because the outdoor temperature is lower in winter, the refrigerant directly flows back to the evaporator through the throttling component after being subjected to heat exchange by the condenser. Thus, as the temperature of the condenser increases, the unit performance gradually decreases. When the unit is in a lower temperature environment, the compressor is not normally operated due to insufficient amount of refrigerant flowing back to the compressor and overlarge pressure ratio, the heating effect cannot be met, and the heating effect is poor and the energy efficiency is low.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a low temperature enthalpy-increasing heat pump system to solve the above problems.
The utility model discloses a following technical scheme realizes above-mentioned mesh, a low temperature increases enthalpy heat pump system, its characterized in that, including a main structure body, the main structure body includes low temperature increases enthalpy compressor, cross valve, first heat exchanger, first expansion valve, second heat exchanger, second expansion valve, flash distillation stock solution fill, vapour and liquid separator;
the low-temperature enthalpy-increasing compressor is connected with the four-way valve, the first heat exchanger, the first expansion valve and the flash evaporation liquid storage tank loop;
the low-temperature enthalpy-increasing compressor is connected with the gas-liquid separator, the second heat exchanger, the second expansion valve and the flash evaporation liquid storage tank loop;
and a first fan and a second fan are respectively arranged on one side of the first heat exchanger and one side of the second heat exchanger.
Preferably, the four-way valve is provided with a first oil inlet, a second oil inlet, a first oil outlet and a second oil outlet; the low-temperature enthalpy-increasing compressor is provided with a compressor air supplementing port, a compressor exhaust port and a compressor return air port; the gas-liquid separator is provided with an inlet and an outlet; the flash evaporation liquid storage tank is provided with a flash evaporation liquid storage tank air return port;
the first oil outlet is connected with the first heat exchanger; the second oil inlet is connected with the second heat exchanger.
Preferably, the first oil inlet is communicated with the first oil outlet.
Preferably, the second oil inlet is communicated with the second oil outlet.
Preferably, the compressor air outlet is connected with the first oil inlet, and a high-pressure sensor and a high-pressure switch are arranged between the compressor air outlet and the first oil inlet.
Preferably, the second oil outlet is connected with the inlet, and a low-pressure switch and a low-pressure sensor are arranged between the second oil outlet and the inlet.
Preferably, the compressor return air port is connected with the outlet of the gas-liquid separator.
Preferably, the flash evaporation liquid storage tank return air port is connected with the compressor air supplementing port.
The utility model has the advantages that: the utility model relates to a low temperature increases enthalpy heat pump system through adopting the accurate collection unit pressure of pressure sensor, increases enthalpy compression refrigeration cycle through the aperture of adjusting first expansion valve and second expansion valve, and the work efficiency and the efficiency of unit obtain great improvement, and the unit heats more stably, does not receive the environmental impact.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the four-way valve of the present invention;
FIG. 3 is a schematic structural view of the gas-liquid separator of the present invention;
in the figure: 1. a low temperature enthalpy increasing compressor; 2. a compressor air supplement port; 3. a compressor discharge port; 4. a compressor return port; 5. a high pressure sensor; 6. a high voltage switch; 7. a low voltage switch; 8. a low pressure sensor; 9. a four-way valve; 10. a second fan; 11. a second heat exchanger; 12. a first fan; 13. a first heat exchanger; 14. a first expansion valve; 15. flash evaporation liquid storage tank; 16. a flash evaporation liquid storage tank air return port; 17. a second expansion valve; 18. a gas-liquid separator; 19. a first oil inlet; 20. a first oil outlet; 21. a second oil outlet; 22. a second oil inlet; 23. a gas-liquid separator inlet; 24. and a gas-liquid separator outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, a low-temperature enthalpy-increasing heat pump system is characterized by comprising a main structure body, wherein the main structure body comprises a low-temperature enthalpy-increasing compressor 1, a four-way valve 9, a first heat exchanger 13, a first expansion valve 14, a second heat exchanger 11, a second expansion valve 17, a flash evaporation liquid storage tank 15 and a gas-liquid separator 18; the low-temperature enthalpy-increasing compressor 1 is connected with the four-way valve 9, the first heat exchanger 13, the first expansion valve 14 and the flash evaporation liquid storage tank 15 in a loop manner; the low-temperature enthalpy-increasing compressor 1 is connected with a gas-liquid separator 18, a second heat exchanger 11, a second expansion valve 17 and a flash evaporation liquid storage tank 15 in a loop manner; and a first fan 12 and a second fan 10 are respectively arranged on one side of the first heat exchanger 13 and one side of the second heat exchanger 11.
In addition, the four-way valve 9 is provided with a first oil inlet 19, a second oil inlet 22, a first oil outlet 20 and a second oil outlet 21; the low-temperature enthalpy-increasing compressor 1 is provided with a compressor air supplementing port 2, a compressor air exhausting port 3 and a compressor air returning port 4; the gas-liquid separator 18 is provided with a gas-liquid separator inlet 23 and a gas-liquid separator outlet 24; the flash evaporation liquid storage tank 15 is provided with a flash evaporation liquid storage tank return air port 16; the first oil inlet 19 is communicated with the first oil outlet 20; the second oil inlet 22 is communicated with the second oil outlet 21; the compressor exhaust port 3 is connected with the first oil inlet 19, and a high-pressure sensor 5 and a high-pressure switch 6 are arranged between the compressor exhaust port 3 and the first oil inlet 19; the second oil outlet 21 is connected with the gas-liquid separator inlet 23, and a low-pressure switch 7 and a low-pressure sensor 8 are arranged between the second oil outlet 21 and the gas-liquid separator inlet 23; the first oil outlet 20 is connected 13 with the first heat exchanger; the second oil inlet 22 is connected with the second heat exchanger 11; the compressor return air port 4 and the gas-liquid separator outlet 24; and the flash evaporation liquid storage tank return air port 16 is connected with the compressor air supplementing port 2.
The working principle is as follows: the utility model relates to a low temperature enthalpy-increasing heat pump system, in the working process, low temperature enthalpy-increasing machine 1 discharges high temperature and high pressure gaseous refrigerant flow through flowing to compressor exhaust port 3, enters first oil inlet 19 of four-way valve 9, flows out through first oil outlet 20, flows to first heat exchanger 13, flows to first expansion valve 14 after first heat exchanger 13 cools down and condenses, enters flash evaporation stock solution tank 15 through first expansion valve 14 throttling, branches in flash evaporation stock solution tank 15, wherein one path flows out from flash evaporation stock solution tank return air port 16, flows back to compressor air supplement port 2, returns to low temperature enthalpy-increasing compressor 1, another path flows to second expansion valve 17 throttling, then flows to second heat exchanger 11 evaporating and absorbing heat, then passes through second oil inlet 22 of entering four-way valve 9, flows out from second oil outlet 21 of four-way valve 9, path gas-liquid separator 18 flows to compressor return air port 4, returning to the low temperature enthalpy addition compressor 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The low-temperature enthalpy-increasing heat pump system is characterized by comprising a structural main body, wherein the structural main body comprises a low-temperature enthalpy-increasing compressor (1), a four-way valve (9), a first heat exchanger (13), a first expansion valve (14), a second heat exchanger (11), a second expansion valve (17), a flash evaporation liquid storage tank (15) and a gas-liquid separator (18);
the low-temperature enthalpy-increasing compressor (1) is connected with a four-way valve (9), a first heat exchanger (13), a first expansion valve (14) and a flash evaporation liquid storage tank (15) in a loop manner;
the low-temperature enthalpy-increasing compressor (1) is connected with a gas-liquid separator (18), a second heat exchanger (11), a second expansion valve (17) and a flash evaporation liquid storage tank (15) in a loop manner;
and a first fan (12) and a second fan (10) are respectively arranged on one side of the first heat exchanger (13) and one side of the second heat exchanger (11).
2. The low temperature enthalpy-increasing heat pump system according to claim 1, characterized in that: the four-way valve (9) is provided with a first oil inlet (19), a second oil inlet (22), a first oil outlet (20) and a second oil outlet (21); the low-temperature enthalpy-increasing compressor (1) is provided with a compressor air supplementing port (2), a compressor exhaust port (3) and a compressor return air port (4); the gas-liquid separator (18) is provided with a gas-liquid separator inlet (23) and a gas-liquid separator outlet (24); the flash evaporation liquid storage tank (15) is provided with a flash evaporation liquid storage tank return air port (16);
the first oil outlet (20) is connected with the first heat exchanger (13), and the second oil inlet (22) is connected with the second heat exchanger (11).
3. The low temperature enthalpy-increasing heat pump system according to claim 2, characterized in that: the first oil inlet (19) is communicated with the first oil outlet (20).
4. The low temperature enthalpy-increasing heat pump system according to claim 2, characterized in that: the second oil inlet (22) is communicated with the second oil outlet (21).
5. The low temperature enthalpy-increasing heat pump system according to claim 2, characterized in that: the compressor air outlet (3) is connected with the first oil inlet (19), and a high-pressure sensor (5) and a high-pressure switch (6) are arranged between the compressor air outlet (3) and the first oil inlet (19).
6. The low temperature enthalpy-increasing heat pump system according to claim 2, characterized in that: the second oil outlet (21) is connected with the gas-liquid separator inlet (23), and a low-pressure switch (7) and a low-pressure sensor (8) are arranged between the second oil outlet (21) and the gas-liquid separator inlet (23).
7. The low temperature enthalpy-increasing heat pump system according to claim 2, characterized in that: the compressor return air port (4) and the gas-liquid separator outlet (24).
8. The low temperature enthalpy-increasing heat pump system according to claim 2, characterized in that: and the flash evaporation liquid storage tank air return port (16) is connected with the compressor air supplement port (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920676921.8U CN210070285U (en) | 2019-05-13 | 2019-05-13 | Low-temperature enthalpy-increasing heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920676921.8U CN210070285U (en) | 2019-05-13 | 2019-05-13 | Low-temperature enthalpy-increasing heat pump system |
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| Publication Number | Publication Date |
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| CN210070285U true CN210070285U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920676921.8U Expired - Fee Related CN210070285U (en) | 2019-05-13 | 2019-05-13 | Low-temperature enthalpy-increasing heat pump system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108059A (en) * | 2019-05-13 | 2019-08-09 | 广东炬邦热能设备有限公司 | A kind of low-temperature enthalpy-increasing heat pump system |
-
2019
- 2019-05-13 CN CN201920676921.8U patent/CN210070285U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108059A (en) * | 2019-05-13 | 2019-08-09 | 广东炬邦热能设备有限公司 | A kind of low-temperature enthalpy-increasing heat pump system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20210513 |