CN213362707U

CN213362707U - High-efficient heat pump refrigeration heating device

Info

Publication number: CN213362707U
Application number: CN202022056313.2U
Authority: CN
Inventors: 吴斯奇; 刘翔宇; 陈丽平
Original assignee: Jiangsu Shouchuang New Energy Technology Co ltd
Current assignee: Jiangsu Yichuan Energy Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-04
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a high-efficient heat pump refrigeration heating device relates to high-efficient heat pump technical field, for solving the lower problem of efficiency that current high-efficient heat pump refrigeration heated. Refrigerant conveying pipes are respectively arranged between the air heat exchanger and the compressor, between the water heat exchanger and the liquid storage tank, between the liquid storage tank and the expansion valve and between the expansion valve and the air heat exchanger, a first water return pipeline is arranged at the lower end of the water heat exchanger, a second water return pipeline is arranged at the upper end of the water heat exchanger, an auxiliary heating mechanism and an auxiliary cooling mechanism are arranged outside the second water return pipeline, a heat-equalizing layer is arranged on the inner side of the auxiliary heating mechanism, and electric heating pipes are arranged on the outer side of the heat-equalizing layer.

Description

High-efficient heat pump refrigeration heating device

Technical Field

The utility model relates to a high-efficient heat pump technical field specifically is a high-efficient heat pump refrigeration heating device.

Background

A heat pump is a device that transfers heat energy of a low-temperature heat source to a high-temperature heat source. Thereby realizing cooling and heating. The low-temperature heat source commonly used for the heat pump device is the media around our people, namely air, river water, sea water, municipal sewage, surface water, underground water, intermediate water, fire pool, or the working medium discharged from industrial production equipment, the working medium has the temperature close to the temperature of the surrounding media, the heat pump technology is a new energy technology which is concerned all over the world in recent years, and the heat pump device is a device which can obtain low-grade heat energy from the air, water or soil in the nature and provide high-grade heat energy which can be used by people through electric power acting.

However, the existing high-efficiency heat pump refrigerating and heating device has low efficiency, so that the existing requirements are not met, and the high-efficiency heat pump refrigerating and heating device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient heat pump refrigeration heating device to solve the lower problem of efficiency of the current high-efficient heat pump refrigeration heating that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency heat pump refrigerating and heating device comprises an air heat exchanger, a water heat exchanger, a compressor, a liquid storage tank and an expansion valve, wherein refrigerant conveying pipes are respectively arranged between the air heat exchanger and the compressor, between the water heat exchanger and the liquid storage tank, between the liquid storage tank and the expansion valve and between the expansion valve and the air heat exchanger, a first water return pipeline is arranged at the lower end of the water heat exchanger, a second water return pipeline is arranged at the upper end of the water heat exchanger, and an auxiliary heating mechanism and an auxiliary cooling mechanism are arranged outside the second water return pipeline.

Preferably, the inner side of the auxiliary heating mechanism is provided with a uniform heating layer, and the outer side of the uniform heating layer is provided with an electric heating pipe.

Preferably, the auxiliary cooling mechanism comprises two semiconductor cooling pieces, the two semiconductor cooling pieces are respectively arranged at the upper end and the lower end of the auxiliary cooling mechanism, and a cooling fan is installed on the outer side of each semiconductor cooling piece.

Preferably, a filter is arranged between the liquid storage tank and the expansion valve.

Preferably, the heat equalizing layer is connected with the auxiliary heat mechanism in a gluing mode.

Preferably, the refrigerant conveying pipe is in threaded connection with the air heat exchanger, the water heat exchanger, the compressor, the liquid storage tank and the expansion valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a when refrigerating, liquid refrigerant vaporizes in water heat exchanger, make the temperature reduce, low temperature low pressure gaseous state refrigerant is through the compressor compression, become high temperature high-pressure gas, get into air heat exchanger, because the refrigerant temperature is higher than the air temperature, the refrigerant conducts heat to the air, the refrigerant is high-pressure liquid through gas condensation, high pressure liquid refrigerant gets into water heat exchanger after the expansion valve throttle, low pressure liquid refrigerant vaporizes once more, accomplish a circulation, the fluid that gets into through first return water pipeline finally gets into air conditioning system through the cooling of second return water pipeline.

2. The utility model discloses a when heating, liquid refrigerant vaporizes in air heat exchanger, absorb the heat in the air, low temperature low pressure gaseous state refrigerant becomes high temperature high-pressure gas after the compressor compression and sends to water heat exchanger, because the temperature of refrigerant is higher than the temperature of water, the refrigerant is liquid from the gaseous state cooling, liquid refrigerant is after the expansion valve throttle, get into air heat exchanger under the pressure effect, low pressure gas refrigerant vaporizes once more, accomplish primary cycle, the fluid that gets into through first return water pipeline finally heaies up through second return water pipeline and gets into air conditioning system.

3. When the heat pump system heats, the auxiliary heating mechanism of the second water return pipeline works, the electric heating tubes in the auxiliary heating mechanism work to heat and raise the temperature, so that the temperature of the fluid is further increased, and the refrigerating and heating efficiency of the whole heat pump system is improved.

Drawings

Fig. 1 is a schematic structural view of a high-efficiency heat pump refrigerating and heating device of the present invention;

fig. 2 is a schematic structural view of the auxiliary heating mechanism of the present invention;

fig. 3 is a schematic structural view of the auxiliary cooling mechanism of the present invention.

In the figure: 1. an air heat exchanger; 2. a water heat exchanger; 3. a compressor; 4. a liquid storage tank; 5. an expansion valve; 6. a first water return line; 7. a second water return pipeline; 8. an auxiliary heating mechanism; 9. a cooling assisting mechanism; 10. heat equalizing layer; 11. an electric heating tube; 12. a semiconductor refrigeration sheet; 13. a heat radiation fan; 14. a filter; 15. a refrigerant conveying pipe.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a high-efficient heat pump refrigeration heating apparatus, including air heat exchanger 1, water heat exchanger 2, compressor 3, liquid storage pot 4 and expansion valve 5, between air heat exchanger 1 and compressor 3, between water heat exchanger 2 and the liquid storage pot 4, between liquid storage pot 4 and the expansion valve 5, all install refrigerant conveyer pipe 15 between expansion valve 5 and the air heat exchanger 1, first return water pipeline 6 is installed to the lower extreme of water heat exchanger 2, second return water pipeline 7 is installed to the upper end of water heat exchanger 2, the outside of second return water pipeline 7 is provided with assists hot mechanism 8 and assists cold mechanism 9, the refrigeration heating efficiency of whole heat pump system has been improved, expansion valve 5 control liquid becomes low pressure liquid with high-pressure liquid.

Furthermore, the inner side of the auxiliary heating mechanism 8 is provided with a uniform heating layer 10, the outer side of the uniform heating layer 10 is provided with an electric heating pipe 11, when heating is carried out, the auxiliary heating mechanism 8 of the second water return pipeline 7 works, and the electric heating pipe 11 in the auxiliary heating mechanism heats up, so that the temperature of the fluid is further increased.

Further, the auxiliary cooling mechanism 9 comprises two semiconductor cooling pieces 12, the two semiconductor cooling pieces 12 are arranged at the upper end and the lower end of the auxiliary cooling mechanism 9 respectively, the cooling fan 13 is installed on the outer side of each semiconductor cooling piece 12, during cooling, the auxiliary cooling mechanism 9 of the second water return pipeline 7 works, the cold ends of the semiconductor cooling pieces 12 inside the auxiliary cooling mechanism refrigerate, and further cooling and refrigerating can be performed on fluid.

Furthermore, a filter 14 is arranged between the liquid storage tank 4 and the expansion valve 5, so as to absorb moisture in the refrigerating and heating system, block impurities in the system from passing through, and prevent the pipelines of the refrigerating and heating system from being blocked by ice and filth.

Furthermore, the soaking layer 10 is connected with the auxiliary heating mechanism 8 in a gluing way, so that the anti-corrosion performance is better.

Furthermore, the refrigerant conveying pipe 15 is in threaded connection with the air heat exchanger 1, the water heat exchanger 2, the compressor 3, the liquid storage tank 4 and the expansion valve 5, so that the connecting mode is simple, the assembly and disassembly are convenient, and the maintenance is convenient.

The working principle is as follows: when the air conditioner is used, during refrigeration, a liquid refrigerant is vaporized in the water heat exchanger 2 to reduce the water temperature, a low-temperature low-pressure gaseous refrigerant is compressed by the compressor 3 to be changed into high-temperature high-pressure gas and enters the air heat exchanger 1, the refrigerant transfers heat to air due to the fact that the temperature of the refrigerant is higher than the air temperature, the refrigerant is condensed into high-pressure liquid through the gas, the high-pressure liquid refrigerant enters the liquid storage tank 4 after being throttled by the expansion valve 5 and then enters the water heat exchanger 2 through the liquid storage tank 4, the low-pressure liquid refrigerant is vaporized again to complete a cycle, the fluid entering through the first water return pipeline 6 is finally cooled through the second water return pipeline 7 and enters the air conditioning system, meanwhile, the auxiliary cooling mechanism 9 of the second water return pipeline 7 works, the cold end of the semiconductor refrigeration piece 12 inside the fluid is refrigerated, the fluid, the heat in the air is absorbed, the low-temperature low-pressure gaseous refrigerant is compressed by the compressor 3 and then changed into high-temperature high-pressure gas which is sent to the water heat exchanger 2, the refrigerant is cooled from the gaseous state to the liquid state because the temperature of the refrigerant is higher than the temperature of the water, the liquid refrigerant enters the air heat exchanger 1 under the action of pressure after being throttled by the expansion valve 5, the low-pressure gas refrigerant is vaporized again to complete the primary circulation, the fluid entering through the first water return pipeline 6 finally rises the temperature through the second water return pipeline 7 and enters the air conditioning system, meanwhile, the auxiliary heating mechanism 8 of the second water return pipeline 7 works, the electric heating pipe 11 in the auxiliary heating mechanism heats the temperature, the temperature of the fluid is further improved, and the refrigerating.

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.

Claims

1. The utility model provides a high-efficient heat pump refrigeration heating device, includes air heat exchanger (1), water heat exchanger (2), compressor (3), liquid storage pot (4) and expansion valve (5), its characterized in that: between air heat exchanger (1) and compressor (3), between water heat exchanger (2) and liquid storage pot (4), between liquid storage pot (4) and expansion valve (5), all install refrigerant conveyer pipe (15) between expansion valve (5) and air heat exchanger (1), first return water pipeline (6) is installed to the lower extreme of water heat exchanger (2), second return water pipeline (7) is installed to the upper end of water heat exchanger (2), the outside of second return water pipeline (7) is provided with assists hot mechanism (8) and assists cold mechanism (9).

2. The efficient heat pump refrigerating and heating device according to claim 1, wherein: the inner side of the auxiliary heating mechanism (8) is provided with a uniform heating layer (10), and the outer side of the uniform heating layer (10) is provided with an electric heating pipe (11).

3. The efficient heat pump refrigerating and heating device according to claim 1, wherein: assist cold mechanism (9) including semiconductor refrigeration piece (12), and semiconductor refrigeration piece (12) are provided with two, two semiconductor refrigeration piece (12) are located the upper and lower both ends of assisting cold mechanism (9) respectively, radiator fan (13) are installed in the outside of semiconductor refrigeration piece (12).

4. The efficient heat pump refrigerating and heating device according to claim 1, wherein: and a filter (14) is arranged between the liquid storage tank (4) and the expansion valve (5).

5. The efficient heat pump refrigerating and heating device according to claim 2, wherein: the heat equalizing layer (10) is connected with the auxiliary heating mechanism (8) in a gluing way.

6. The efficient heat pump refrigerating and heating device according to claim 1, wherein: the refrigerant conveying pipe (15) is in threaded connection with the air heat exchanger (1), the water heat exchanger (2), the compressor (3), the liquid storage tank (4) and the expansion valve (5).