CN210416133U

CN210416133U - One-inlet two-outlet external heat exchanger with drying bottle

Info

Publication number: CN210416133U
Application number: CN201921213543.6U
Authority: CN
Inventors: 王洪强; 李广; 代杰; 张继鑫; 李伟伟; 唐兴伟
Original assignee: South Air International Co Ltd
Current assignee: South Air International Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-28
Anticipated expiration: 2029-07-30

Abstract

The utility model relates to a take one of drying bottle to advance two outer heat exchangers of going out belongs to electric automobile's heat pump air conditioning system field. The liquid collecting device comprises two liquid collecting pipes and partition plates arranged in the liquid collecting pipes, wherein the partition plates hermetically isolate the first liquid collecting pipe into a first main pipe section and a first auxiliary pipe section, and the partition plates hermetically isolate the second liquid collecting pipe into a second main pipe section and a second auxiliary pipe section; the first main pipe section is communicated with the second main pipe section in a sealing mode through a condensation flow channel; the first secondary pipe section and the second secondary pipe section are in sealed communication through a supercooling flow passage; the first main pipe section is provided with an external exchange inlet, and the first secondary pipe section is provided with an external exchange condensation outlet; still include three-way valve and drying bottle. The external heat exchanger is provided with an inlet and two outlets, is integrated with a drying bottle, is suitable for refrigeration cycle and heating cycle through the switching of the three-way valve, simplifies the pipeline of an air conditioning system, reduces the volume of the external heat exchanger, and improves the space utilization rate in the vehicle.

Description

One-inlet two-outlet external heat exchanger with drying bottle

Technical Field

The utility model belongs to electric automobile's heat pump air conditioning system field relates to a take one of dry bottle to advance two outer heat exchangers of going out.

Background

The external heat exchanger is used as a condenser in a refrigeration cycle and as an evaporator in a heating cycle, and the external heat exchanger in the conventional heat pump air conditioner of the electric automobile is generally designed into a one-in one-out type, namely an integrated drying bottle one-in one-out type and a one-in one-out type without a drying bottle.

The integrated drying bottle one-inlet one-outlet external heat exchanger has the advantages that the refrigerant filling amount has a balance section, the refrigeration requirements of different environments can be met, but because of the existence of the drying bottle, the refrigerant flow resistance in the heating circulation is large, and the heat exchange performance is adversely affected. The external heat exchanger without the drying bottle and with the inlet and the outlet reduces the flow resistance of internal refrigerants, but in a refrigeration cycle, because the refrigerant filling amount has no balance section, the refrigeration requirement cannot be met, the drying bottle needs to be designed in a system loop independently, and a complex air conditioning pipeline is additionally added, so that an air conditioning system is more complex, occupies valuable space in a vehicle, simultaneously increases the weight of the whole vehicle, and reduces the power consumption of the whole vehicle.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a take one of drying bottle to advance two outer heat exchangers of going out can be used for refrigeration cycle and heating circulation simultaneously, simplifies the air conditioning system pipeline, reduces external heat exchanger volume, promotes car space utilization.

In order to achieve the above purpose, the utility model provides a following technical scheme: a one-inlet two-outlet external heat exchanger with a drying bottle is characterized by comprising a first liquid collecting pipe, a second liquid collecting pipe, a first partition plate and a second partition plate, wherein the first partition plate is arranged in the first liquid collecting pipe, the second partition plate is arranged in the second liquid collecting pipe, the first partition plate hermetically isolates the first liquid collecting pipe into a first main pipe section and a first sub pipe section, and the second partition plate hermetically isolates the second liquid collecting pipe into a second main pipe section and a second sub pipe section; a condensation flow channel is arranged between the first main pipe section and the second main pipe section, the condensation flow channel is composed of a plurality of flat pipes, and the first main pipe section is hermetically communicated with the second main pipe section through the condensation flow channel; a supercooling flow channel is arranged between the first secondary pipe section and the second secondary pipe section and consists of a plurality of flat pipes, and the first secondary pipe section and the second secondary pipe section are in sealed communication through the supercooling flow channel; the first main pipe section is provided with an external exchange inlet, and the first secondary pipe section is provided with an external exchange condensation outlet; the second is responsible for the section with be equipped with the drying bottle between the vice pipeline of second, the second is responsible for the section and passes through the drying bottle with the vice pipeline intercommunication of second, the second is responsible for still being equipped with the evaporation outlet on the section.

Optionally, a three-way valve is arranged between the second main pipe section and the drying bottle, the second main pipe section is communicated with an inlet of the three-way valve, one outlet of the three-way valve is an evaporation outlet, the other outlet of the three-way valve is communicated with one end of the drying bottle, and the other end of the drying bottle is communicated with the second secondary pipe section.

Optionally, the three-way valve is an electromagnetically controlled L-shaped three-way valve.

Optionally, the drying bottle is a one-piece cylindrical drying bottle.

Optionally, the first baffle is disposed at a position 80% of the length of the first header pipe, and the second baffle is disposed at a position 80% of the length of the second header pipe.

Optionally, the length of the first main pipe section is greater than the length of the first secondary pipe section, and the length of the second main pipe section is greater than the length of the second secondary pipe section.

Optionally, a cross section of the flat tube perpendicular to a length extension direction thereof is a length cross section, and a cross sectional dimension of the length cross section is 16mm × 1.3 mm.

The beneficial effects of the utility model reside in that: the external heat exchanger is provided with an inlet and two outlets, is integrated with a drying bottle, is suitable for refrigeration cycle and heating cycle through the switching of the three-way valve, simplifies the pipeline of an air conditioning system, reduces the volume of the external heat exchanger, and improves the space utilization rate in the vehicle.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a one-inlet two-outlet external heat exchanger with a drying bottle;

FIG. 2 is a schematic view of the heating circulation external heat exchange operation of a one-inlet two-outlet external heat exchanger with a drying bottle;

fig. 3 is a schematic view of the refrigerating cycle external exchange operation of a one-inlet two-outlet external heat exchanger with a drying bottle.

Reference numerals: the device comprises a first liquid collecting pipe 1, a first partition plate 2, a flat pipe 3, an external exchange inlet 4, an external exchange outlet 5, a three-way valve 6, a drying bottle 7, an evaporation outlet 8, a second liquid collecting pipe 9, a second partition plate 10, a condensation flow channel 11 and a supercooling flow channel 12.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 3, a one-inlet two-outlet external heat exchanger with a drying bottle comprises a first liquid collecting pipe 1, a second liquid collecting pipe 9, a first partition plate 2 arranged in the first liquid collecting pipe 1, and a second partition plate 10 arranged in the second liquid collecting pipe 9, wherein the first partition plate 2 hermetically isolates the first liquid collecting pipe 1 into a first main pipe section and a first sub pipe section, and the second partition plate 10 hermetically isolates the second liquid collecting pipe 9 into a second main pipe section and a second sub pipe section; a condensing flow channel 11 is arranged between the first main pipe section and the second main pipe section, the condensing flow channel 11 is composed of a plurality of flat pipes 3, and the first main pipe section and the second main pipe section are hermetically communicated through the condensing flow channel 11; a supercooling flow channel 12 is arranged between the first secondary pipe section and the second secondary pipe section, the supercooling flow channel 12 is composed of a plurality of flat pipes 3, and the first secondary pipe section and the second secondary pipe section are hermetically communicated through the supercooling flow channel 12; the first main pipe section is provided with an external exchange inlet 4, and the first secondary pipe section is provided with an external exchange condensation outlet 5; the second is responsible for the section with be equipped with drying bottle 7 between the vice pipeline of second, the second is responsible for the section and passes through drying bottle 7 and the vice pipeline intercommunication of second, and the second is responsible for still being equipped with the evaporation outlet on the section.

In this embodiment, be equipped with three-way valve 6 between second main pipe section and the drying bottle 7, the second is main pipe section and three-way valve 6's entry intercommunication, and an export of three-way valve 6 is the evaporation export, and another export of three-way valve 6 communicates with the one end of drying bottle 7, and the other end and the vice pipeline section of second of drying bottle 6 communicate. In the present embodiment, the three-way valve 6 is an electromagnetically controlled L-shaped three-way valve. The drying bottle 7 is an integrated cylindrical drying bottle. The first partition plate 2 is disposed at a position of 80% of the length of the first header pipe 1, and the second partition plate 10 is disposed at a position of 80% of the length of the second header pipe 9. The length of the first main pipe section is greater than that of the first secondary pipe section, and the length of the second main pipe section is greater than that of the second secondary pipe section. The cross section of the flat pipe 3 perpendicular to the length extension direction is a length cross section, and the cross sectional dimension of the length cross section is 16mm × 1.3 mm.

When the external heat exchanger works in a heating circulation external exchange mode, the external heat exchanger acts as an evaporator, a refrigerant enters a first main pipe section from an external exchange inlet 4, flows through a condensation flow passage 11 and enters a second main pipe section, the refrigerant absorbs heat in the condensation flow passage 11, an evaporation outlet 8 of a three-way valve 6 is opened, an outlet of the three-way valve 6 communicated with a drying bottle 7 is closed, and the refrigerant after heat absorption flows out from the evaporation outlet 8;

external heat exchanger refrigeration cycle trades the during operation outward, external heat exchanger acts as the condenser effect, the refrigerant is by trading import 4 outward and get into first section of being responsible for, the condensation runner 11 condensation of flowing through gets into the second and is responsible for the section, the refrigerant dispels the heat in condensation runner 11, evaporation outlet 8 of three-way valve 6 is closed, the refrigerant is by three-way valve 6 through drying bottle 7, drying bottle 7 and the vice pipeline section intercommunication of second, the refrigerant is by the vice pipeline section of second through the supercooling runner 12 heat dissipation after, flow to first vice pipeline section, trade condensation outlet 5 outward and flow out.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. A one-inlet two-outlet external heat exchanger with a drying bottle is characterized by comprising a first liquid collecting pipe, a second liquid collecting pipe, a first partition plate and a second partition plate, wherein the first partition plate is arranged in the first liquid collecting pipe, the second partition plate is arranged in the second liquid collecting pipe, the first partition plate hermetically isolates the first liquid collecting pipe into a first main pipe section and a first sub pipe section, and the second partition plate hermetically isolates the second liquid collecting pipe into a second main pipe section and a second sub pipe section;

a condensation flow channel is arranged between the first main pipe section and the second main pipe section, the condensation flow channel is composed of a plurality of flat pipes, and the first main pipe section is hermetically communicated with the second main pipe section through the condensation flow channel;

a supercooling flow channel is arranged between the first secondary pipe section and the second secondary pipe section and consists of a plurality of flat pipes, and the first secondary pipe section and the second secondary pipe section are in sealed communication through the supercooling flow channel; the first main pipe section is provided with an external exchange inlet, and the first secondary pipe section is provided with an external exchange condensation outlet;

the second is responsible for the section with be equipped with the drying bottle between the vice pipeline of second, the second is responsible for the section and passes through the drying bottle with the vice pipeline intercommunication of second, the second is responsible for still being equipped with the evaporation outlet on the section.

2. The one-in two-out external heat exchanger with the drying bottle as claimed in claim 1, wherein: the second is responsible for the section with be equipped with the three-way valve between the drying bottle, the second be responsible for the section with the entry intercommunication of three-way valve, an export of three-way valve is evaporation export, another export of three-way valve with the one end intercommunication of drying bottle, the other end of drying bottle with the vice pipeline section intercommunication of second.

3. The one-in two-out external heat exchanger with the drying bottle as claimed in claim 2, wherein: the three-way valve is an electromagnetic control L-shaped three-way valve.

4. The one-in two-out external heat exchanger with the drying bottle as claimed in claim 1, wherein: the drying bottle is an integrated cylindrical drying bottle.

5. The one-in two-out external heat exchanger with the drying bottle as claimed in claim 1, wherein: the first partition plate is arranged at the position of 80% of the length of the first liquid collecting pipe, and the second partition plate is arranged at the position of 80% of the length of the second liquid collecting pipe.

6. The one-in two-out external heat exchanger with the drying bottle as claimed in claim 5, wherein: the first main pipe section is longer than the first secondary pipe section, and the second main pipe section is longer than the second secondary pipe section.

7. The one-in two-out external heat exchanger with the drying bottle as claimed in claim 1, wherein: the cross section of the flat pipe perpendicular to the length extension direction of the flat pipe is a length cross section, and the cross sectional dimension of the length cross section is 16mm x 1.3 mm.