CN213119595U

CN213119595U - Outdoor heat exchanger

Info

Publication number: CN213119595U
Application number: CN202021914089.XU
Authority: CN
Inventors: 任亚超; 吴兆亮
Original assignee: Sdaac Automotive Air Conditioning Systems Co ltd
Current assignee: Sdaac Automotive Air Conditioning Systems Co ltd; SDAAC Automotive Air-Conditioning Systems Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-04
Anticipated expiration: 2030-09-04

Abstract

The utility model provides an outdoor heat exchanger, include: the heat exchanger comprises a first flow, a first baffle, a refrigerant outlet, a second flow, a heat exchanger body, a second baffle, a second liquid collecting pipe, a third baffle and the first flow; the heat exchanger body is divided into a first flow, a second flow and a third flow by the first baffle and the third baffle; the second baffle is arranged in a second liquid collecting pipe in the area where the third flow path is located, and the position of the second baffle, which is far away from the tail end of the heat exchanger body, can be changed; the second baffle belongs to a semi-open type baffle plate and can adjust the distribution of the refrigerant; the position of the refrigerant outlet from the end face of the heat exchanger body can be changed. The utility model discloses an increase the position of second baffle and change the refrigerant export, set up the second baffle in the inhomogeneous department of refrigerant distribution, heat transfer area on can make full use of heat exchanger surface to improve outdoor heat exchanger's heat exchange efficiency, improve heat pump system's operating efficiency.

Description

Outdoor heat exchanger

Technical Field

The utility model relates to a heat pump technology field especially relates to an outdoor heat exchanger.

Background

Outdoor heat exchangers are an extremely important component of heat pump systems, and function to absorb heat from the environment and then transfer the heat to the refrigerant. A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.

Refrigerant distributors in the market at present adopt umbrella-shaped refrigerant distributors; or a bypass pipe is additionally arranged outside the refrigerator, and a part of refrigerant is introduced into the liquid collecting pipe, the prior art can only solve the problem of distribution management of part of refrigerant, and the change of the refrigeration demand distribution structure for different heat exchangers is large.

Through search, patent document CN205149500U discloses an automobile heat exchanger system, which includes a plurality of heat exchangers, cores of the heat exchangers are connected by a partition structure, the cores of the heat exchangers are communicated with corresponding pipeline joints, and the pipeline joints are connected with a cooling device. In the prior art, a plurality of heat exchangers are integrated integrally, a baffle in a comparison document is a separating plate, the heat exchanger is divided into two parts, the heat exchanger is a completely sealed separating plate, and the refrigerant distribution cannot be managed.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing an outdoor heat exchanger.

According to the utility model provides a pair of outdoor heat exchanger, include: the heat exchanger comprises a first flow, a first baffle, a refrigerant outlet, a second flow, a heat exchanger body, a second baffle, a second liquid collecting pipe, a third baffle and the first flow;

the heat exchanger body is divided into a first flow, a second flow and a third flow by the first baffle and the third baffle;

the second baffle is arranged in a second liquid collecting pipe in the area where the third flow path is located, and the position of the second baffle, which is far away from the tail end of the heat exchanger body, can be changed; the second baffle belongs to a semi-open type baffle plate and can adjust the distribution of the refrigerant; the position of the refrigerant outlet from the end face of the heat exchanger body can be changed.

Preferably, the refrigerant circulating system further comprises a first header pipe and a refrigerant inlet, wherein the refrigerant inlet is arranged at one end of the first flow path, and the refrigerant inlet is arranged on the second header pipe.

Preferably, a refrigerant outlet is provided at one end of the third flow path, and the refrigerant outlet is provided at the first header pipe.

Preferably, a first baffle is arranged in the first header pipe, and the first baffle divides the heat exchanger body into a second flow path and a third flow path.

Preferably, a third baffle is arranged in the second liquid collecting pipe, and the third baffle divides the heat exchanger body into a first process and a second process.

Preferably, the number of the second barrier can be set to one or more.

Preferably, when the second baffle plates are arranged in a plurality of blocks, the plurality of baffle plates are arranged at equal intervals or at equal differential intervals.

Preferably, the shape of the second baffle comprises a semi-circular, small semi-circular or semi-circular open cell type.

Preferably, when the outdoor heat exchanger is in an operating state, the refrigerant enters from the refrigerant inlet, sequentially passes through the first flow path, the first header pipe, the second flow path, the second header pipe and the third flow path, and finally flows out from the refrigerant outlet.

Preferably, the surface of heat exchanger body sets up the flat heat transfer pipe of many equipartitions.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses an increase the second baffle, set up the second baffle in the inhomogeneous department of refrigerant distribution, heat transfer area that can make full use of heat exchanger surface to improve outdoor heat exchanger's heat exchange efficiency.

2. The utility model discloses a change the position of refrigerant export for the refrigerant in the outdoor heat exchanger flows more evenly, improves heat pump system's operating efficiency.

3. The utility model discloses quantity, shape and the form of arranging that can be through setting up the second baffle to carry out different designs to different heat exchangers, have better adaptability and flexibility, need not carry out extensive improvement to the heat exchanger.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic cross-sectional view of the present invention.

In the figure:

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

As shown in fig. 1, the outdoor heat exchanger provided by the present invention comprises a first liquid collecting pipe 1, a second flow path 2, a first baffle 3, a refrigerant outlet 4, a third flow path 5, a heat exchanger body 6, a second baffle 7, a second liquid collecting pipe 8, a third baffle 9, a refrigerant inlet 10 and a first flow path 11,

wherein, first collector tube 1 and second collector tube 8 set up the both sides at heat exchanger body 6, and first baffle 3 sets up in first collector tube 1, and third baffle 9 sets up in second collector tube 8, and third baffle 9 divides heat exchanger body 6 into first flow 11 and second flow 2, and first baffle 3 divide heat exchanger body 6 into second flow 2 and third flow 5, and the surface of heat exchanger body 6 sets up the heat transfer flat pipe of many equipartitions.

Further, a second baffle 7 is arranged in the second liquid collecting pipe 8, the position of the second baffle 7 away from the tail end of the heat exchanger body 6 can be changed, the second baffle 7 is positioned in the area where the third flow path 5 is located, and the second baffle 7 belongs to a semi-open type partition plate and can adjust refrigerant distribution; the position of the refrigerant outlet 4 from the end face of the heat exchanger body 6 can be changed.

Still further, the refrigerant inlet 10 is provided at one end of the first flow path 11, and the refrigerant inlet 10 is provided at the second header pipe 8; the refrigerant outlet 4 is provided at one end of the third flow path 5, and the refrigerant outlet 4 is provided at the first header pipe 1.

The utility model discloses aPreferred embodiment(s) of the inventionFor further explanation.

Based on the above basic embodiment, the second shutter 7 is provided as one piece.

Based on the above basic embodiment, the position of the refrigerant outlet 4 is located at the middle position of the first header pipe 1 in the area of the third flow path 5.

The utility model discloses aVariation exampleFor further explanation.

Based on the above-described basic embodiment, the number of the second baffle 7 can be set to one or more.

Based on the above-described modification, when the second barrier 7 is provided in plural, plural barriers are provided at equal intervals or at equal differential intervals.

Based on the basic embodiment described above, the shape of the second baffle 7 includes the shape of a semi-circular, small semi-circular, or semi-circular opening type or other semi-open type partition plate.

The working principle is as follows:

when the outdoor heat exchanger is in an operating state, refrigerant enters from the refrigerant inlet 10, sequentially passes through the first flow path 11, the first header pipe 1, the second flow path 2, the second header pipe 8 and the third flow path 5, and finally flows out from the refrigerant outlet 4.

The utility model discloses an increase the position of second baffle 7 and seashore refrigerant export 4, can make full use of outdoor heat exchanger's heat exchanger area to improve outdoor heat exchanger's heat exchange efficiency. The operation efficiency of the heat pump system is closely related to the performance of the outdoor heat exchanger, and the operation efficiency of the heat pump system can be improved through the improvement of the invention, so that the continuation of the journey mileage of the electric automobile can be improved.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. An outdoor heat exchanger, comprising: the heat exchanger comprises a second flow path (2), a first baffle (3), a refrigerant outlet (4), a third flow path (5), a heat exchanger body (6), a second baffle (7), a second liquid collecting pipe (8), a third baffle (9) and a first flow path (11);

the first baffle (3) and the third baffle (9) divide the heat exchanger body (6) into a first flow path (11), a second flow path (2) and a third flow path (5);

the second baffle (7) is arranged in a second liquid collecting pipe (8) in the area where the third flow path (5) is located, and the position of the second baffle (7) away from the tail end of the heat exchanger body (6) can be changed;

the second baffle (7) belongs to a semi-open type clapboard and can adjust the distribution of the refrigerant;

the position of the refrigerant outlet (4) can be changed from the position of the end surface of the heat exchanger body (6).

2. An outdoor heat exchanger according to claim 1, further comprising a first header (1) and a refrigerant inlet (10), the refrigerant inlet (10) being provided at one end of the first flow path (11), the refrigerant inlet (10) being provided on the second header (8).

3. An outdoor heat exchanger according to claim 2, wherein the refrigerant outlet (4) is provided at one end of the third flow path (5), and the refrigerant outlet (4) is provided in the first header pipe (1).

4. An outdoor heat exchanger according to claim 2, characterized in that the first baffle (3) is arranged in the first header (1), which first baffle (3) divides the heat exchanger body (6) into the second flow path (2) and the third flow path (5).

5. An outdoor heat exchanger according to claim 1, characterised in that the third baffle (9) is arranged in the second header (8), which third baffle (9) divides the heat exchanger body (6) into the first flow path (11) and the second flow path (2).

6. An outdoor heat exchanger according to claim 1, characterised in that the number of the second baffles (7) can be provided as one or more pieces.

7. An outdoor heat exchanger according to claim 6, wherein when the second baffle (7) is provided in a plurality of pieces, the plurality of pieces of baffle are arranged at equal intervals or at equal intervals.

8. An outdoor heat exchanger according to claim 1, characterised in that the shape of the second baffle (7) comprises a semi-circular, a small semi-circular or a semi-circular open cell type.

9. An outdoor heat exchanger according to claim 1, wherein when the outdoor heat exchanger is in an operating state, the refrigerant enters from the refrigerant inlet (10), sequentially passes through the first flow path (11), the first header pipe (1), the second flow path (2), the second header pipe (8) and the third flow path (5), and finally flows out from the refrigerant outlet (4).

10. An outdoor heat exchanger according to claim 1, wherein the surface of the heat exchanger body (6) is provided with a plurality of uniformly distributed heat exchange flat tubes.