CN218998641U

CN218998641U - Surrounding type heat dissipation cold plate

Info

Publication number: CN218998641U
Application number: CN202222827375.8U
Authority: CN
Inventors: 冬壮; 冯啸川; 张潇爽; 毛永; 王磊; 翟学阳; 葛蒙娜; 杨达飞
Original assignee: Xinxiang Aviation Industry Group Co Ltd
Current assignee: Xinxiang Aviation Industry Group Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-05-09
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a surrounding type heat dissipation cold plate which comprises a sealing cover, an upper cover plate, a vertical face cold plate, a plane cold plate, a lower cover plate and an inlet and outlet joint. The end face welding between the vertical face cold plate and the plane cold plate enables the heat exchange medium flow passage flowing longitudinally to be communicated with the heat exchange medium flow passage flowing transversely; the inlet and outlet connectors are positioned on the lower cover plate and communicated with the heat exchange medium flow channels which transversely flow, so that the heat exchange medium circularly flows. The plates of the utility model are formed by one-time welding of hanging materials. Greatly reduces the process difficulty of the product, reduces the welding deformation and improves the yield of the product.

Description

Surrounding type heat dissipation cold plate

Technical Field

The utility model relates to the field of heat dissipation of electronic components, in particular to a surrounding type heat dissipation cold plate.

Background

With the integration and complexity of aerospace electronics becoming higher and higher, higher requirements are also being put forward on the heat dissipation device of electronic equipment. The traditional surrounding type cold plate needs to realize multidimensional and multi-plane heat dissipation, and often needs two or even three welding, namely, one planar cold plate is soldered, one vertical face cold plate is soldered, and one integral structure is spliced and soldered. The more the welding times are, the larger the whole welding deformation of the product is, so that the problems of low product qualification rate and high manufacturing cost are caused, and the mass production and manufacturing of the product are greatly limited.

Disclosure of Invention

The purpose of the utility model is that: the structure has the advantages of good welding manufacturability, high welding yield and low manufacturing cost, and can meet the requirements of mass production and manufacturing.

The technical scheme of the utility model is as follows:

the surrounding type heat dissipation cold plate comprises a sealing cover 1, an upper cover plate 2, a vertical face cold plate 3, a plane cold plate 4, a lower cover plate 5 and an inlet and outlet joint 6;

the sealing cover 1, the upper cover plate 2, the vertical surface cold plate 3, the plane cold plate 4 and the lower cover plate 5 are sequentially and fixedly welded into an integrated structure from top to bottom; the hollow space is formed between the vertical face cold plate 3 and the upper cover plate 2, and the hollow space is adapted to the electronic equipment needing heat dissipation; the wall surface of the vertical surface cold plate 3 is provided with a plurality of heat exchange medium flow channels which flow longitudinally; the upper plate surface of the plane cold plate is provided with a plurality of long through holes; the seal cover 1 seals the hollowed-out space; the bottom surface of the vertical-surface cold plate 3 and the top surface of the lower cover plate form a seal with a plurality of long through holes of the plane cold plate 4, so that the long through holes form a heat exchange medium flow passage which transversely flows; the end face welding between the vertical face cold plate 3 and the plane cold plate 4 enables the heat exchange medium flow passage flowing longitudinally to be communicated with the heat exchange medium flow passage flowing transversely; the inlet and outlet connector 6 is positioned on the lower cover plate and communicated with the heat exchange medium flow passage which transversely flows, so that the heat exchange medium circularly flows.

Further, mortise-tenon joint is formed between the vertical face cold plate 3 and the plane cold plate 4.

Further, the diameters of the heat exchange medium flow channels flowing longitudinally and the heat exchange medium flow channels flowing transversely are phi 6mm.

Further, the heat exchange medium flow channels flowing longitudinally form a circle on the vertical surface cold plate 3. Preferably forming a spiral wrap.

Further, the welding is to coat solder between the plate surfaces, and the whole body is heated and welded after fixed connection.

Further, the number of joints for mortise-tenon connection between the vertical face cold plate 3 and the plane cold plate 4 is at least two.

The utility model has the advantages that: the plates of the utility model are formed by one-time welding of hanging materials. Greatly reduces the process difficulty of the product, reduces the welding deformation and improves the yield of the product.

The facade cold plate can be adjusted according to the heat dissipation requirement, and the quantity of the flow channels, the diameter of the flow channels, the quantity of the flow channels and the density degree can be adjusted according to the heat load. The heat exchange performance can be changed by singly replacing the vertical face cold plate before welding.

The product overall structure is provided with the weight reduction groove, and after the product overall brazing is finished, the electronic components in the product are subjected to finish machining according to the quasi-coplanarity, so that the planeness of a radiating surface is ensured, and good heat dissipation is ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

FIG. 2a is a schematic view of the upper cover plate structure of the present utility model;

FIG. 2b is a cross-sectional view of FIG. 2 a;

FIG. 3a is a schematic view of a cold plate in elevation

FIG. 3b is a cross-sectional view of FIG. 3 a;

FIG. 4a is a schematic view of a planar cold plate according to the present utility model

FIG. 4b is a cross-sectional view of FIG. 4 a;

fig. 5 is a schematic view of the structure of the lower cover plate and the inlet-outlet joint in the present utility model.

FIG. 6 is a schematic illustration of the flow of liquid in the present utility model;

wherein: the sealing cover comprises a sealing cover 1, an upper cover plate 2, a vertical face cold plate 3, a plane cold plate 4, a lower cover plate 5 and an inlet and outlet joint 6.

Detailed Description

The disclosed examples will be described more fully with reference to the accompanying drawings, in which some, but not all of the disclosed examples are shown. Indeed, many different examples may be described and should not be construed as limited to the examples set forth herein. Rather, these examples are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The description of the different advantageous arrangements has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the examples in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Additionally, the different advantageous examples may describe different advantages compared to other advantageous examples. The example or examples selected are chosen and described in order to best explain the principles of the examples, the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various examples with various modifications as are suited to the particular use contemplated.

Referring to fig. 1-5, a liquid cooling heat dissipating device is provided, which comprises a sealing cover 1, an upper cover plate 2, a vertical face cold plate 3, a plane cold plate 4, a lower cover plate 5 and an inlet and outlet joint 6;

And a mortise-tenon joint is formed between the vertical face cold plate 3 and the plane cold plate 4. The number of the mortise-tenon joints between the vertical face cold plate 3 and the plane cold plate 4 is at least two. The tenon is of a slotted hole structure, the inside of the tenon is of a hollow structure, the depth of the tenon is 6mm, and the wall thickness of the tenon is 1.5mm.

The diameters of the longitudinally flowing heat exchange medium flow channels and the transversely flowing heat exchange medium flow channels are phi 6mm.

The longitudinally flowing heat exchange medium flow passage forms a spiral type surrounding on the vertical surface cold plate 3.

The welding is to coat solder between the plate surfaces, and the whole is heated and welded after fixed connection.

Claims

1. The utility model provides a surrounding type heat dissipation cold plate which characterized in that: comprises a sealing cover (1), an upper cover plate (2), a vertical surface cold plate (3), a plane cold plate (4), a lower cover plate (5) and an inlet and outlet joint (6);

the sealing cover, the upper cover plate, the vertical face cold plate, the plane cold plate and the lower cover plate are sequentially and fixedly welded into an integrated structure from top to bottom; the hollow space is formed between the vertical face cold plate and the upper cover plate, and the hollow space is adapted to the electronic equipment needing heat dissipation; the wall surface of the vertical-surface cold plate is provided with a plurality of heat exchange medium flow channels which flow longitudinally; the upper plate surface of the plane cold plate is provided with a plurality of long through holes; the sealing cover seals the hollowed-out space; the bottom surface of the vertical-surface cold plate and the top surface of the lower cover plate form a seal with a plurality of long through holes of the planar cold plate, so that a plurality of long through holes form a heat exchange medium flow channel which transversely flows; the end face welding between the vertical face cold plate and the plane cold plate enables the heat exchange medium flow passage flowing longitudinally to be communicated with the heat exchange medium flow passage flowing transversely; the inlet and outlet connectors are positioned on the lower cover plate and communicated with the heat exchange medium flow channels which transversely flow, so that the heat exchange medium circularly flows.

2. A wraparound heat sink cold plate as claimed in claim 1, wherein: and mortise-tenon connection is formed between the vertical face cold plate and the plane cold plate.

3. A wraparound heat sink cold plate as claimed in claim 1, wherein: the diameters of the longitudinally flowing heat exchange medium flow channels and the transversely flowing heat exchange medium flow channels are phi 6mm.

4. A wraparound heat sink cold plate as claimed in claim 1, wherein: the heat exchange medium flow passage flowing longitudinally forms a circle on the vertical surface cold plate.

5. A wraparound heat sink cold plate according to claim 4, wherein: the heat exchange medium flow passage flowing longitudinally forms a spiral type surrounding on the vertical surface cold plate.

6. A wraparound heat sink cold plate as claimed in claim 1, wherein: the welding is to coat solder between the plate surfaces, and the whole is heated and welded after fixed connection.

7. A wraparound heat sink cold plate as claimed in claim 2, wherein: at least two joints are used for mortise-tenon connection between the vertical face cold plate and the plane cold plate.