CN219346825U - Overlapping evaporation water-cooling integrated type cold and hot double-supply type air source heat pump unit - Google Patents
Overlapping evaporation water-cooling integrated type cold and hot double-supply type air source heat pump unit Download PDFInfo
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- CN219346825U CN219346825U CN202320461658.7U CN202320461658U CN219346825U CN 219346825 U CN219346825 U CN 219346825U CN 202320461658 U CN202320461658 U CN 202320461658U CN 219346825 U CN219346825 U CN 219346825U
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Abstract
The utility model discloses an overlapping evaporation water-cooling integrated cold and hot dual-supply type air source heat pump unit, which relates to the field of air source heat pumps and comprises an air source heat pump module, wherein the air source heat pump module comprises a low-temperature-stage evaporation condenser, and an air conditioner module is connected to the low-temperature-stage evaporation condenser. According to the utility model, through the arrangement of the air conditioning module and the air source heat pump module, when heating is needed in winter, the unit can adapt to a low-temperature environment under the combined operation of the air conditioning module and the air source heat pump module, and can normally heat in the low-temperature environment of twenty-five ℃ below zero, the air conditioning module is connected in series through the air source heat pump module, so that the high water outlet temperature of the air conditioning unit in winter can be ensured, the winter heating efficiency and the heating capacity of the air conditioning unit can be improved, and when cooling is needed in summer, the air conditioning module and the air cooling module are combined to operate, and the air cooling module is connected in series through the air conditioning module, so that the high cooling efficiency and the cooling capacity of the air conditioning unit in summer can be ensured.
Description
Technical Field
The utility model relates to the field of air source heat pumps, in particular to a cascade evaporation water-cooling integrated cold and hot double-supply type air source heat pump unit.
Background
The air source heat pump machine comprises a normal temperature type air source heat pump (more than zero degree), a low temperature type air source heat pump (more than zero and fifteen degrees) and an ultralow temperature type air source heat pump (more than zero and fifteen degrees), wherein the normal temperature type air source heat pump is mainly used in the south area, and the low temperature type air source heat pump and the ultralow temperature type air source heat pump are used in the northern area.
In the prior art, the air source heat pump in the northern area is mainly used for heating in winter, can not cool in summer or can cool in a small amount, when the air source heat pump can cool in summer, the refrigerating capacity is one third or one half of the heating capacity in winter, the load characteristics of the air source heat pump are not matched with the load characteristics of the public building, which are large in difference between the heat capacity and the cold-hot load of winter Xia Leng, the requirements of the air source heat pump for cooling in summer and heating in winter in the northern area can not be well met, and the air source heat pump unit is rarely adopted in the traditional public building because the air source heat pump unit has the defects of small refrigerating capacity in summer and single energy supply type, so that the overlapping evaporation water-cooling integrated cold-hot double-supply air source heat pump unit is needed to meet the requirements of people.
Disclosure of Invention
The utility model aims to provide a cascade evaporation water-cooling integrated cold and hot double-supply type air source heat pump unit, which solves the problem that the requirements of summer refrigeration and winter heating in northern areas cannot be well met in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cold and hot two air supply type air source heat pump unit of cascade evaporation water-cooling integration, includes air source heat pump module, including low temperature level evaporation condenser on the air source heat pump module, be connected with air conditioning module on the low temperature level evaporation condenser, including the second connecting tube on the air conditioning module, be connected with air water cooling module on the second connecting tube.
Preferably, the air source heat pump module comprises a first compressor, a first connecting pipeline is connected to the first compressor, and an air evaporator, a first expansion valve and a low-temperature-stage evaporation condenser are connected to the first connecting pipeline.
Preferably, the air conditioning module comprises a second compressor, the second compressor is connected to a second connecting pipeline, and the second connecting pipeline is connected with a four-way reversing valve, a second expansion valve and a high-temperature-stage evaporation condenser.
Preferably, the air-water cooling module comprises a refrigerant pipeline, the refrigerant pipeline is connected with a heat exchange coil, a spray pump, a water sprayer and a third expansion valve, a water collecting disc is arranged on one side of the water sprayer, and an exhaust fan is arranged on the water sprayer.
The beneficial effects of the utility model are as follows:
according to the utility model, through the arrangement of the air conditioning module and the air source heat pump module, when heating is needed in winter, the unit can adapt to a low-temperature environment under the combined operation of the air conditioning module and the air source heat pump module, and can normally heat in the low-temperature environment of twenty-five ℃ below zero, and the air source heat pump module is connected with the air conditioning module in series, so that the high water outlet temperature of the air conditioning unit in winter can be ensured, and the winter heating efficiency and the heating capacity of the air conditioning unit can be improved.
According to the utility model, through the arrangement of the air conditioning module and the air-water cooling module, when refrigeration is needed in summer, under the combined operation of the air conditioning module and the air-water cooling module, a closed cooling mode is adopted, the refrigerant is not in contact with outdoor air, and the cooling process of the refrigerant is realized through double heat exchange and cooling of air and water, so that the water consumption and the conveying energy consumption of the system are low, the refrigerating energy efficiency of the system is high, the refrigerating capacity is high, the unit can adopt a split type or integral type structure, the unit is multipurpose, if the split type structure is adopted, the air evaporator and the air-water cooling module are arranged outdoors, and the first compressor and the air conditioning module are arranged indoors.
Drawings
FIG. 1 is a schematic diagram of a cascade evaporation water-cooled integrated cold and hot dual-supply air source heat pump unit according to the present utility model;
fig. 2 is a schematic structural diagram of an integrated cascade evaporation water-cooling integrated cold and hot dual-supply air source heat pump unit;
fig. 3 is a schematic structural diagram of a split type cascade evaporation water-cooling integrated cold and hot dual-supply air source heat pump set according to the present utility model.
In the figure: 1. an air source heat pump module; 2. an air conditioning module; 3. an air water cooling module; 4. a first compressor; 5. an air evaporator; 6. a first expansion valve; 7. a low temperature stage evaporative condenser; 8. a first connecting pipe; 9. a second compressor; 10. a four-way reversing valve; 11. a second expansion valve; 12. a high temperature stage evaporative condenser; 13. a second connecting pipe; 14. a heat exchange coil; 15. a spray pump; 16. a water sprayer; 17. a water collecting tray; 18. an exhaust fan; 19. a third expansion valve; 20. a refrigerant conduit.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, an overlapping evaporation water-cooling integrated cold and hot dual-supply type air source heat pump unit comprises an air source heat pump module 1, wherein the air source heat pump module 1 comprises a low-temperature level evaporation condenser 7, the low-temperature level evaporation condenser 7 is connected with an air conditioning module 2, the air conditioning module 2 comprises a second connecting pipeline 13, the second connecting pipeline 13 is connected with an air water cooling module 3, when heating is needed, the air water cooling module 3 is closed, only the air source heat pump module 1 and the air conditioning module 2 are operated, the refrigerant gas with low temperature and low pressure in the air source heat pump module 1 is sucked by a first compressor 4 and then pressurized to become the refrigerant gas with high temperature and high pressure, the refrigerant gas with high temperature and high pressure releases heat to the air conditioning module 2 through the low-temperature level evaporation condenser 7 to become the liquid with medium temperature and high pressure, the liquid with medium temperature and high pressure is expanded and depressurized through a first expansion valve 6 to become the liquid with low temperature and low pressure, the low-temperature low-pressure liquid refrigerant is absorbed by the air evaporator 5 to be evaporated into low-temperature low-pressure gas after absorbing the heat of outdoor air, the low-temperature low-pressure refrigerant gas is absorbed by the first compressor 4 and circulated, the heat is absorbed by the low-temperature low-pressure evaporation condenser 7 to enable the refrigerant in the air conditioning module 2 to be changed into low-temperature low-pressure gas from low-temperature low-pressure liquid, the low-temperature low-pressure gas is absorbed by the second compressor 9 to be changed into high-temperature high-pressure refrigerant gas, the high-temperature high-pressure liquid is cooled by the high-temperature evaporation condenser 12 to be changed into medium-temperature high-pressure liquid after being cooled by a building user, the low-temperature low-pressure liquid is expanded and decompressed by the second expansion valve 11 and then is changed into low-temperature low-pressure liquid, the low-temperature low-pressure liquid is further flowed by the low-temperature evaporation condenser 7 to absorb the heat from the low-temperature evaporation condenser 7, the circulation is completed, the low-temperature evaporation condenser 7 in the air conditioning module 2 is closed when refrigeration is needed, the air conditioning module 2 and the air-water cooling module 3 are operated, the low-temperature low-pressure liquid refrigerant in the air conditioning module 2 is changed into low-temperature low-pressure gas after absorbing heat in a building through the high-temperature-stage evaporation condenser 12, the low-temperature low-pressure gas is then absorbed by the second compressor 9 and then pressurized into high-temperature high-pressure refrigerant gas, the high-temperature high-pressure refrigerant gas is released to cooling water through the heat exchange coil 14 in the air-water cooling module 3 and then becomes medium-temperature high-pressure liquid, the medium-temperature high-pressure liquid is then changed into low-temperature low-pressure liquid after being expanded and depressurized through the third expansion valve 19, the low-temperature low-pressure liquid is then changed into low-temperature low-pressure gas after absorbing air heat in the building through the high-temperature-stage evaporation condenser 12, the circulation is then carried out, the cooling water in the water collecting disc 17 is pressurized by the spray pump 15 and then led to the water sprayer 16, the medium-temperature high-pressure liquid is collected into the water collecting disc 17 after being subjected to heat exchange with the medium-temperature high-pressure liquid in the heat exchange coil 14, the cooling water is absorbed by the strong heat exchange fan 18 and then becomes water vapor to be dispersed into ambient air, and the air is completed, and the unit can adopt the integral type or split type structure, the integral type or the integral type air cooling unit can be placed in the air conditioning module 2 and the air conditioning module 2, and the indoor unit can be placed in the indoor air conditioning module 2, and the indoor unit 2.
Further, the air source heat pump module 1 comprises a first compressor 4, a first connecting pipeline 8 is connected to the first compressor 4, an air evaporator 5, a first expansion valve 6 and a low-temperature-level evaporation condenser 7 are connected to the first connecting pipeline 8, the air source heat pump module 1 and the air conditioning module 2 are operated, the low-temperature and low-pressure refrigerant gas in the air source heat pump module 1 is sucked by the first compressor 4 and then pressurized to become high-temperature and high-pressure refrigerant gas, the high-temperature and high-pressure refrigerant gas releases heat to the air conditioning module 2 through the low-temperature-level evaporation condenser 7 to become medium-temperature and high-pressure liquid, the medium-temperature and high-pressure liquid is expanded and depressurized through the first expansion valve 6 to become low-temperature and low-pressure liquid, the low-temperature low-pressure liquid refrigerant is absorbed by the air evaporator 5 to be evaporated into low-temperature low-pressure gas after absorbing heat of outdoor air, the low-temperature low-pressure refrigerant gas is absorbed by the first compressor 4 and circulated, the heat is absorbed by the low-temperature level evaporation condenser 7 to enable the refrigerant in the air conditioning module 2 to be changed into low-temperature low-pressure gas from low-temperature low-pressure liquid, the low-temperature low-pressure gas is absorbed by the second compressor 9 to be changed into high-temperature high-pressure refrigerant gas, the high-temperature level evaporation condenser 12 is used for radiating heat to a building user to be changed into medium-temperature high-pressure liquid, the medium-temperature low-pressure liquid is expanded and decompressed by the second expansion valve 11 and then is changed into low-temperature low-pressure liquid, and the low-temperature level evaporation condenser 7 is used for absorbing heat from the low-temperature level evaporation condenser 7, and circulated, and heating is completed.
Further, the air conditioning module 2 includes a second compressor 9, the second compressor 9 is connected to a second connection pipe 13, and the second connection pipe 13 is connected with a four-way reversing valve 10, a second expansion valve 11, and a high-temperature-stage evaporative condenser 12, so that each structure of the air conditioning module 2 is described.
Further, the air-water cooling module 3 comprises a refrigerant pipeline 20, the refrigerant pipeline 20 is connected with a heat exchange coil 14, a spray pump 15, a water sprayer 16 and a third expansion valve 19, one side of the water sprayer 16 is provided with a water collecting disc 17, the water sprayer 16 is provided with an exhaust fan 18, the air-conditioning module 2 and the air-water cooling module 3 are operated, the low-temperature low-pressure liquid refrigerant in the air-conditioning module 2 is changed into low-temperature low-pressure gas after absorbing heat in a building through a high-temperature-level evaporation condenser 12, and is pressurized into high-temperature high-pressure refrigerant gas after being absorbed by a second compressor 9, and after the high-temperature high-pressure refrigerant gas releases heat to cooling water through the heat exchange coil 14 in the air-water cooling module 3, the medium-temperature high-pressure liquid is changed into low-temperature low-pressure liquid after being expanded and depressurized by a third expansion valve 19, the low-temperature low-pressure liquid is changed into low-temperature low-pressure gas after being evaporated by absorbing air heat in a building by a high-temperature-stage evaporation condenser 12, the low-temperature low-pressure gas circulates in the way, cooling water in a water collecting disc 17 is pressurized by a spray pump 15 and then is led to a water sprayer 16, the water is collected to the water collecting disc 17 after heat exchange with the medium-temperature high-pressure liquid in a heat exchange coil 14, and the cooling water is changed into water vapor to be emitted into ambient air after the heat of a medium-temperature high-pressure refrigerant is absorbed by strong heat exchange after the cooling water acts by an exhaust fan 18, so that refrigeration is completed.
The working principle of the utility model is as follows:
when heating is needed, the air-water cooling module 3 is closed, the air source heat pump module 1 and the air conditioning module 2 are operated, the refrigerant gas with low temperature and low pressure in the air source heat pump module 1 is sucked by the first compressor 4 and then pressurized to become the refrigerant gas with high temperature and high pressure, the refrigerant gas with high temperature and high pressure is released by the low-temperature-stage evaporation condenser 7 to be supplied to the air conditioning module 2 to become the liquid with medium temperature and high pressure, the liquid with medium temperature and high pressure is expanded and depressurized by the first expansion valve 6 to become the liquid with low temperature and low pressure, the liquid refrigerant with low temperature and low pressure is absorbed by the air evaporator 5 to become the gas with low temperature and low pressure after the heat of the outdoor air is absorbed by the low-temperature-stage evaporation condenser 7 to become the gas with low temperature and low pressure in the air conditioning module 2, the refrigerant gas which is changed into high temperature and high pressure is sucked by the second compressor 9, then is cooled by the high temperature level evaporation condenser 12 to be changed into liquid with medium temperature and high pressure after being cooled by a building user, then is changed into liquid with low temperature and low pressure after being expanded and decompressed by the second expansion valve 11, then is absorbed by the low temperature level evaporation condenser 7 to absorb heat from the low temperature level evaporation condenser 7, and is circulated in this way, when refrigeration is needed, the low temperature level evaporation condenser 7 in the air conditioning module 2 is closed, only the air conditioning module 2 and the air water cooling module 3 are operated, the liquid refrigerant with low temperature and low pressure in the air conditioning module 2 is changed into low temperature and low pressure gas after absorbing heat in the building by the high temperature level evaporation condenser 12, then is pressurized into the refrigerant gas with high temperature and high pressure after being sucked by the second compressor 9, the refrigerant gas with high temperature and high pressure is discharged by the heat exchange coil 14 in the air water cooling module 3 to cool water, the medium-temperature high-pressure liquid is changed into low-temperature low-pressure liquid after being expanded and depressurized by a third expansion valve 19, the low-temperature low-pressure liquid is changed into low-temperature low-pressure gas after being evaporated by absorbing air heat in a building by a high-temperature-stage evaporation condenser 12, the low-temperature low-pressure gas circulates in the way, cooling water in a water collecting disc 17 is pressurized by a spray pump 15 and then is led to a water sprayer 16, the water is then subjected to heat exchange with the medium-temperature high-pressure liquid in a heat exchange coil 14 and is then collected to the water collecting disc 17, the cooling water is subjected to strong heat exchange after absorbing the heat of the medium-temperature high-pressure refrigerant by an exhaust fan 18 and then is changed into water vapor to be emitted into ambient air, and refrigeration is completed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. The utility model provides a cold and hot two air source heat pump unit that supplies of cascade evaporation water-cooling integration formula, includes air source heat pump module (1), its characterized in that: the air source heat pump module (1) comprises a low-temperature-level evaporation condenser (7), the low-temperature-level evaporation condenser (7) is connected with an air conditioning module (2), the air conditioning module (2) comprises a second connecting pipeline (13), and the second connecting pipeline (13) is connected with an air-water cooling module (3).
2. The cascade evaporative water-cooling integrated cold and hot double-supply air source heat pump unit according to claim 1, wherein the cascade evaporative water-cooling integrated cold and hot double-supply air source heat pump unit is characterized in that: the air source heat pump module (1) comprises a first compressor (4), a first connecting pipeline (8) is connected to the first compressor (4), and an air evaporator (5), a first expansion valve (6) and a low-temperature-stage evaporation condenser (7) are connected to the first connecting pipeline (8).
3. The cascade evaporative water-cooling integrated cold and hot double-supply air source heat pump unit according to claim 1, wherein the cascade evaporative water-cooling integrated cold and hot double-supply air source heat pump unit is characterized in that: the air conditioning module (2) comprises a second compressor (9), the second compressor (9) is connected to a second connecting pipeline (13), and the second connecting pipeline (13) is connected with a four-way reversing valve (10), a second expansion valve (11) and a high-temperature-stage evaporative condenser (12).
4. The cascade evaporative water-cooling integrated cold and hot double-supply air source heat pump unit according to claim 1, wherein the cascade evaporative water-cooling integrated cold and hot double-supply air source heat pump unit is characterized in that: the air-water cooling module (3) comprises a refrigerant pipeline (20), wherein the refrigerant pipeline (20) is connected with a heat exchange coil pipe (14), a spray pump (15), a water sprayer (16) and a third expansion valve (19), a water collecting disc (17) is arranged on one side of the water sprayer (16), and an exhaust fan (18) is arranged on the water sprayer (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320461658.7U CN219346825U (en) | 2023-03-05 | 2023-03-05 | Overlapping evaporation water-cooling integrated type cold and hot double-supply type air source heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320461658.7U CN219346825U (en) | 2023-03-05 | 2023-03-05 | Overlapping evaporation water-cooling integrated type cold and hot double-supply type air source heat pump unit |
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| CN219346825U true CN219346825U (en) | 2023-07-14 |
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| CN202320461658.7U Active CN219346825U (en) | 2023-03-05 | 2023-03-05 | Overlapping evaporation water-cooling integrated type cold and hot double-supply type air source heat pump unit |
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| CN (1) | CN219346825U (en) |
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