CN210892262U

CN210892262U - Air source heat pump

Info

Publication number: CN210892262U
Application number: CN201921716916.1U
Authority: CN
Inventors: 孙宁志
Original assignee: Shanxi Chen Gong New Energy Technology Co ltd
Current assignee: Shanxi Chen Gong New Energy Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-30
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an air source heat pump, belonging to the field of air source heat pumps; the technical problem to be solved is to provide an air source heat pump with simple structure and high heat exchange efficiency; the technical scheme for solving the technical problem is as follows: an air source heat pump comprises a compressor, a condenser and an evaporator, wherein an outlet of the compressor is connected with an inlet of the condenser, an inlet of the compressor is connected with an outlet of the evaporator, an inlet of the evaporator is connected with an outlet of the condenser, the air source heat pump also comprises an economizer, the economizer is arranged on a pipeline connecting the inlet of the evaporator and the outlet of the condenser, and the economizer is a spiral coil sleeve type economizer; the utility model discloses but wide application in air source heat pump field.

Description

Air source heat pump

Technical Field

The utility model relates to an air source heat pump belongs to air source heat pump technical field.

Background

At present, the air source heat pump technique has generally been applied to the area of winter cold summer heat, but current air source heat pump receives the influence of weather great, when external environment temperature is lower, heat pump efficiency can reduce by a wide margin, so in the area of yellow river basin with north, traditional heat pump is subject to low temperature heat pump efficiency not enough, can't promote comprehensively, need improve, the last economizer of using of current air source heat pump is mostly plate heat exchanger, heat exchange efficiency is low, the heat transfer temperature difference loss is big, use cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art exists not enough, provides a simple structure, air source heat pump that heat exchange efficiency is high.

In order to solve the technical problem, the utility model discloses a technical scheme be: an air source heat pump comprises a compressor, a condenser and an evaporator, wherein an outlet of the compressor is connected with an inlet of the condenser, an inlet of the compressor is connected with an outlet of the evaporator, an inlet of the evaporator is connected with an outlet of the condenser, and the air source heat pump also comprises an economizer which is arranged on a pipeline connecting an inlet of the evaporator and an outlet of the condenser;

the economizer includes inner tube and outer tube, and the inner tube cover is established in the outer tube, forms the heat transfer space between inner tube and the outer tube, and inner tube and outer tube are spiral coil, and outer tube one end sets up the outer tube import, and the other end sets up the outer tube export, and inner tube one end sets up the inner tube import, and the other end sets up the inner tube export, and the outer tube import is close to the inner tube export, and the outer tube export is close to the inner tube import, and the outer tube import links to each other with the condenser export with the inner tube import, and the outer.

And a closed space is formed between the outer wall of the inner pipe and the inner wall of the outer pipe.

And a switching valve is arranged on a pipeline connecting the outlet of the inner pipe and the compressor.

And a thermometer is arranged on a pipeline connecting the economizer and the condenser.

Compared with the prior art, the utility model following beneficial effect has: use spiral coil's bushing type economic ware, can improve the heat transfer distance, increase the heat transfer surface base, reduce the erection dimension, the condenser is given inner tube and outer tube injection freon refrigerant simultaneously, can reduce the utilization of tubular product, and the freon of inner tube gets into the compressor and carries out the tonifying qi after the intraductal evaporation, and the freon liquid of outer tube flows into the evaporimeter after the subcooling and evaporates then gets into the compressor and participates in cycle work.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the economizer of the present invention.

Fig. 3 is a right side view of fig. 2.

Fig. 4 is a left side view of fig. 2.

In the figure, 1 is a compressor, 2 is a condenser, 3 is an economizer, 4 is an evaporator, 5 is a switch valve, 6 is a thermometer, 31 is an inner tube, 32 is an outer tube, 33 is an inlet of the outer tube, 34 is an outlet of the outer tube, 35 is an inlet of the inner tube, 36 is an outlet of the inner tube, and 37 is a circulation line.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the air source heat pump of the present invention comprises a compressor 1, a condenser 2, and an evaporator 4, wherein an outlet of the compressor 1 is connected to an inlet of the condenser 2, an inlet of the compressor 1 is connected to an outlet of the evaporator 4, an inlet of the evaporator 4 is connected to an outlet of the condenser 2, and the air source heat pump further comprises an economizer 3, wherein the economizer 3 is disposed on a pipeline connecting an inlet of the evaporator 4 and an outlet of the condenser 2; economizer 3 includes inner tube 31 and outer tube 32, inner tube 31 cover is established in outer tube 32, form the heat transfer space between inner tube 31 and the outer tube 32, inner tube 31 is spiral coil with outer tube 32, outer tube 32 one end sets up outer tube import 33, the other end sets up outer tube export 34, inner tube 31 one end sets up inner tube import 35, the other end sets up inner tube export 36, outer tube import 33 is close to inner tube export 36, outer tube export 34 is close to inner tube import 35, link to each other through circulating line 37 between inner tube import 35 and the outer tube export 33, outer tube import 33 links to each other with inner tube import 35 and the export of condenser 2, outer tube export 34 links to each other with 4 imports of evaporimeter, inner tube export 36 links to each other with compressor 1, form airtight space between inner tube 31 outer wall and the outer tube 32 inner wall, be provided with ooff valve 5 on the pipeline that inner tube export 36 links to each.

The utility model discloses when using, the gaseous freon refrigerant is compressed into the highly compressed gaseous state refrigerant of high temperature in getting into the compressor, high temperature high pressure gaseous state refrigerant flows in the condenser, microthermal water carries out the heat exchange with the pipeline that flows the high temperature refrigerant this moment, the cold water temperature risees, gaseous state refrigerant temperature reduces and liquefies, through spiral coil type economizer, can improve the heat transfer distance, increase the heat transfer surface base, reduce the installation size, the condenser is simultaneously for inner tube and outer tube injection freon refrigerant, can reduce the utilization of tubular product, the freon of inner tube gets into the compressor after intraductal evaporation and carries out the tonifying qi, flow into the evaporimeter behind the freon liquid subcooling of outer tube and evaporate then get into compressor participation cycle work.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides an air source heat pump, includes compressor (1), condenser (2), evaporimeter (4), and compressor (1) export links to each other with condenser (2) import, and compressor (1) import links to each other with evaporimeter (4) export, and evaporimeter (4) import links to each other with condenser (2) export, its characterized in that: the economizer (3) is arranged on a pipeline connecting an inlet of the evaporator (4) and an outlet of the condenser (2);

economizer (3) include inner tube (31) and outer tube (32), inner tube (31) cover is established in outer tube (32), form the heat transfer space between inner tube (31) and outer tube (32), inner tube (31) are spiral coil with outer tube (32), outer tube (32) one end sets up outer tube import (33), the other end sets up outer tube export (34), inner tube (31) one end sets up inner tube import (35), the other end sets up inner tube export (36), outer tube import (33) are close to inner tube export (36), outer tube export (34) are close to inner tube import (35), outer tube import (33) link to each other with condenser (2) export with inner tube import (35), outer tube export (34) link to each other with evaporimeter (4) import, inner tube export (36) link to each other with compressor (1).

2. An air-source heat pump according to claim 1, wherein: and a closed space is formed between the outer wall of the inner pipe (31) and the inner wall of the outer pipe (32).

3. An air-source heat pump according to claim 1, wherein: and a switching valve (5) is arranged on a pipeline connecting the inner pipe outlet (36) and the compressor (1).

4. An air-source heat pump according to claim 1, wherein: a thermometer (6) is arranged on a pipeline connecting the economizer (3) and the condenser (2).