CN217541149U

CN217541149U - Micro-channel condenser

Info

Publication number: CN217541149U
Application number: CN202221169467.5U
Authority: CN
Inventors: 虞永亮; 徐清永; 吕海龙; 周乾栋
Original assignee: ZHEJIANG SUNCO HEAT EXCHANGE SYSTEM CO Ltd
Current assignee: ZHEJIANG SUNCO HEAT EXCHANGE SYSTEM CO Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-10-04
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a microchannel condenser. The micro-channel flat tube heat exchanger comprises a first core body and a second core body which are spliced, wherein the first core body and the second core body are respectively communicated through flat tube groups, a header pipe is sealed through an end cover, a fin is brazed between every two micro-channel flat tubes, and the header pipe is respectively connected with a first connecting tube and a second connecting tube. The utility model is suitable for a microchannel product structure, two core return circuits are cross-linked, can reduce windward side core air-out temperature, make leeward side core performance better heat transfer performance, and leeward side core physical stamina remains windward side core heat transfer capacity performance thirty-five to forty percent, adopts full aluminum material lightweight design, has alleviateed the weight of microchannel condenser, has reduced material cost. Provides a new idea for the micro-channel condenser.

Description

Micro-channel condenser

Technical Field

The utility model relates to a condenser technical field especially relates to a microchannel condenser.

Background

The micro-channel parallel flow condenser has small volume, light weight and compact structure. The requirements for the outer dimension are different when the microchannel parallel flow condenser is used in various industries, and thicker microchannels are required to be used under the conditions of certain space and unsatisfied heat exchange quantity. At present, in order to realize that the product is not limited by the width of the flat pipe, a double-layer or multi-layer design mode can be adopted, but the thickness of the product can be increased, so that the heat exchange performance is reduced, the core body on the leeward side of the double-layer structure can be influenced by the air outlet temperature of the core body on the windward side, and the heat exchange performance of the core body on the leeward side is only twenty percent of the heat exchange performance on the windward side.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a micro-channel condenser, which comprises two cores which are arranged in parallel and have the same structure, namely a first core and a second core; the core includes: flat tube groups formed by parallel arrangement of flat tubes, fins positioned among the flat tubes, side plates arranged at the upper end and the lower end of each flat tube group, and collecting pipes arranged at the left side and the right side of each flat tube group and communicated with the flat tubes; the collecting pipes are internally provided with spacers which separate each collecting pipe into an upper part and a lower part, and then each core body is divided into an upper independent core body part and a lower independent core body part, namely the upper core body part and the lower core body part; the flat tubes of two core parts in the same core are different in number; a sheet metal part is arranged on the outer side of the side plate, and the two core bodies are fixedly connected through the sheet metal part;

a left collecting pipe of the upper core body part of the first core body is communicated with a first inlet pipe; a right collecting pipe of the upper core body part of the second core body is communicated with a second inlet pipe; a right collecting pipe of the lower core body part of the first core body is communicated with a second outlet pipe; a left collecting pipe of the lower core body part of the second core body is communicated with a first outlet pipe;

the left collecting pipe of the lower core body part of the first core body is communicated with the left collecting pipe of the upper core body part of the second core body through a first connecting pipe; the right header of the upper core portion of the first core is communicated with the right header of the lower core portion of the second core through a second connecting pipe.

According to the utility model discloses an optimal scheme, first connecting pipe, second connecting pipe, first advance pipe, the second advances the material of pipe, first exit tube, second exit tube, two cores and is aluminium.

According to the utility model discloses a preferred scheme, the spacer welding is in the collector pipe. The number of the flat tubes of the upper core body part in the same core body is larger than that of the flat tubes of the lower core body part; the flat pipe quantity of the upper core part of the first core is the same as that of the upper core part of the second core, and the flat pipe quantity of the lower core part of the first core is the same as that of the lower core part of the second core.

According to the utility model discloses an optimal scheme, first connecting pipe, second connecting pipe, first advance pipe, second and advance pipe, first exit tube, second exit tube, flat pipe and pressure manifold between adopt brazed connection. The first connecting pipe and the second connecting pipe are both U-shaped pipes.

According to the utility model discloses a preferred scheme, the pressure manifold both ends all are provided with the end cover. The collecting pipe is welded with an adapter; the first connecting pipe, the second connecting pipe, the first inlet pipe, the second inlet pipe, the first outlet pipe and the second outlet pipe are communicated with the corresponding collecting pipes through adapter seats.

According to the utility model discloses a preferred scheme, the fin is brazed between per two microchannel flat tubes in the flat nest of tubes.

The utility model has the advantages that:

the two core loops are connected in a cross mode, the air outlet temperature of the windward side core can be reduced, the leeward side core can play a better heat exchange performance, the leeward side core can keep thirty-five to forty percent of the heat exchange capacity performance of the windward side core, the light weight design of all aluminum materials is adopted, the weight of the condenser is reduced, and the material cost is reduced.

Drawings

FIG. 1 is a schematic view of a microchannel condenser of the present invention;

in the figure: 1. a first core body; 2. a second core body; 3. a first inlet pipe; 4. a second inlet pipe; 5. a first connecting pipe; 6. a second connecting pipe; 7. a first pipe is discharged; 8. a second pipe is discharged; 9. a first collecting pipe; 10. a third collecting pipe; 11. a second collecting pipe; 12. a fourth collecting pipe; 13. a fin; 14. flat tubes; 15. an end cap; 16. a side plate; 17. metal plates; 18. a transfer seat; 19. a spacer.

Detailed Description

The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to assist in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

As shown in fig. 1, the microchannel condenser provided in this embodiment includes two cores that are arranged in parallel and have the same structure, and each core includes a flat tube group, fins 13, an edge plate 16, and two collecting pipes; the flat tube group consists of flat tubes 14 which are arranged in parallel, and the fins 13 are brazed between every two micro-channel flat tubes in the flat tube group 4; the two ends of the flat pipe group are respectively communicated with the collecting pipes, the two ends of each collecting pipe are respectively provided with an end cover 15, a spacer 19 is welded in each collecting pipe to separate each collecting pipe into an upper part and a lower part, so that each core body is divided into the upper part and the lower part, the collecting pipes are welded with adapter seats 18, and the side plates 16 are arranged on the upper side and the lower side of the core body;

the core body I1 comprises a first inlet pipe 3, a second outlet pipe 8, a first collecting pipe 9, a second collecting pipe 11, fins 13, flat pipes 14, end covers 15, side plates 16 and adapter 18; the inlet pipe I3 is fixed with the upper part of the collecting pipe I9 of the core body I through welding, and the outlet pipe II 8 is fixed with the lower part of the collecting pipe II 11 of the core body I through welding.

The core body II 2 comprises an inlet pipe II 4, an outlet pipe II 7, a collecting pipe III 10, a collecting pipe IV 12, a fin 13, a flat pipe 14, an end cover 15, a side plate 16 and an adapter 18; the inlet pipe II 4 is fixed to the upper portion of the collecting pipe IV 12 of the core body II through welding, and the outlet pipe II 7 is fixed to the lower portion of the collecting pipe III 10 of the core body II through welding.

The lower part of the first collecting pipe 9 is communicated with the upper part of the third collecting pipe 10 through a first connecting pipe 5, and the upper part of the second collecting pipe 11 is communicated with the lower part of the fourth collecting pipe 12 through a second connecting pipe 6; the inlet pipe I3, the inlet pipe II 4, the connecting pipe I5, the connecting pipe II 6, the outlet pipe I7 and the outlet pipe II 8 are communicated with the collecting pipe through the adapter 18; and a metal plate 17 is arranged outside the side plate 16 to connect the two core bodies.

Preferably, the first connecting pipe 5, the second connecting pipe 6, the first inlet pipe 3, the second inlet pipe 4, the first outlet pipe 7, the second outlet pipe 8 and the two core bodies are all made of aluminum.

Preferably, the number of flat tubes in the upper and lower portions of each core is different, the portion of the core body i 1 with the larger number of flat tubes is communicated with the portion of the core body ii 2 with the smaller number of flat tubes by the first connecting tube 5, and the portion of the core body ii 2 with the larger number of flat tubes is communicated with the portion of the core body i 1 with the smaller number of flat tubes by the second connecting tube 6.

Preferably, the first connecting pipe 5 and the second connecting pipe 6 are both U-shaped pipes.

When the wind-driven generator is used, the first core body is arranged on the windward side, and the second core body is arranged on the leeward side; the refrigerant flows into the two cores from a first inlet pipe 3 on the first core and a second inlet pipe 4 on the second core respectively; a flow of refrigerant flows into the upper part of the core body I1 from the inlet pipe I3 to exchange heat on the windward side, then flows into the lower part of the core body II 2 through the connecting pipe II 6 to continue to exchange heat on the leeward side, and finally flows out from the outlet pipe I7 on the core body II 2; and the other refrigerant flows into the upper part of the core body II 2 from the inlet pipe II 4 to exchange heat on the leeward side, then flows into the lower part of the core body I1 through the connecting pipe I5 to exchange heat on the windward side, and finally flows out from the outlet pipe II 8 on the core body I1. Two core refrigerant circuits are alternately in this embodiment, can reduce windward side core air-out temperature, make leeward side core performance better heat transfer performance, and leeward side core physical stamina remains thirty-five to forty percent of windward side core heat transfer capacity performance, the utility model discloses a new construction adopts full aluminum material lightweight design, has alleviateed the utility model discloses the weight of condenser has reduced material cost.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. For those skilled in the art, without departing from the spirit of the present invention, several modifications and improvements can be made without departing from the scope of the present invention.

Claims

1. A micro-channel condenser is characterized by comprising two cores which are arranged in parallel and have the same structure, namely a first core and a second core; the core includes: flat tube groups formed by arranging flat tubes in parallel, fins positioned between the flat tubes, side plates arranged at the upper end and the lower end of the flat tube groups, and collecting pipes arranged at the left side and the right side of the flat tube groups and communicated with the flat tubes; the collecting pipes are internally provided with spacers which separate each collecting pipe into an upper part and a lower part, and then each core body is divided into an upper independent core body part and a lower independent core body part, namely the upper core body part and the lower core body part; the flat tubes of two core parts in the same core are different in number; a sheet metal part is arranged on the outer side of the side plate, and the two core bodies are fixedly connected through the sheet metal part;

a left collecting pipe of the upper core body part of the first core body is communicated with a first inlet pipe; a right collecting pipe of the upper core body part of the second core body is communicated with a second inlet pipe; a second outlet pipe is communicated with the right collecting pipe of the lower core body part of the first core body; a left collecting pipe of the lower core body part of the second core body is communicated with a first outlet pipe;

2. The micro-channel condenser as claimed in claim 1, wherein the first connecting pipe, the second connecting pipe, the first inlet pipe, the second inlet pipe, the first outlet pipe, the second outlet pipe and the two cores are all made of aluminum.

3. The microchannel condenser as set forth in claim 1, wherein said spacers are welded within the header.

4. The microchannel condenser of claim 1, wherein the number of flat tubes of the upper core portion is greater than the number of flat tubes of the lower core portion in the same core; the flat pipe quantity of the upper core part of the first core is the same as that of the upper core part of the second core, and the flat pipe quantity of the lower core part of the first core is the same as that of the lower core part of the second core.

5. The microchannel condenser of claim 1, wherein the first and second connecting tubes are U-shaped tubes.

6. The microchannel condenser of claim 1, wherein the first connecting pipe, the second connecting pipe, the first inlet pipe, the second inlet pipe, the first outlet pipe, the second outlet pipe, the flat pipe and the collecting pipe are connected by brazing.

7. The microchannel condenser of claim 1, wherein the header has end caps at both the upper and lower ends.

8. The microchannel condenser of claim 1, wherein an adapter is welded to the header; the first connecting pipe, the second connecting pipe, the first inlet pipe, the second inlet pipe, the first outlet pipe and the second outlet pipe are communicated with the corresponding collecting pipes through adapter seats.

9. The microchannel condenser of claim 1, wherein the fins are brazed between every two microchannel flat tubes in the flat tube bank.