CN219938807U

CN219938807U - Air-expanding plate radiator

Info

Publication number: CN219938807U
Application number: CN202320859454.9U
Authority: CN
Inventors: 唐川; 王强; 黄明彬; 朱卫强
Original assignee: Suzhou Pindai Electronic Technology Co ltd
Current assignee: Kunshan Ping Tai Electronic Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-10-31
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a blow-up plate radiator, comprising: the lower surface of the metal bottom plate is contacted with a heat source, a plurality of expansion plates are fixedly welded on the upper surface of the metal bottom plate, a fin group is arranged between every two adjacent expansion plates and consists of a plurality of metal fins, the metal fins are arranged at intervals along the height direction of the expansion plates, ventilation channels are formed between the upper metal fins and the lower metal fins, and the left side and the right side of each metal fin are welded with the surfaces of the expansion plates. The expansion plate radiator not only increases the gap between the expansion plates and reduces the wind resistance, but also increases the heat dissipation area of the expansion plates, thereby improving the overall heat dissipation efficiency.

Description

Air-expanding plate radiator

Technical Field

The utility model relates to a blow-up plate radiator, and belongs to the field of electronic product heat dissipation.

Background

With the rapid development of technology, the integration level of high-power components is higher and higher, the power density is higher and higher, and the heat generated during operation is higher and higher, if the heat generated by the power components cannot be timely and rapidly removed, the temperature of chips in the power components is increased, the working efficiency is reduced due to light weight, the service life is shortened, and the devices are directly damaged and fail due to heavy weight.

At present, a radiator is mainly installed on a main power device or a high-heating component, heat is conducted to an expansion plate through a heat conducting plate, and then the expansion plate is radiated through a fan, so that rapid radiation is realized, however, in the prior art, the number of the expansion plates installed on the heat conducting plate is large, so that the integral wind resistance is large, and the integral radiating effect is influenced.

Disclosure of Invention

The utility model aims to provide an expansion plate radiator which not only increases the gap between expansion plates and reduces wind resistance, but also increases the heat dissipation area of the expansion plates, thereby improving the overall heat dissipation efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a blown board heat sink comprising: the lower surface of the metal bottom plate is contacted with a heat source, a plurality of expansion plates are fixedly welded on the upper surface of the metal bottom plate, a fin group is arranged between every two adjacent expansion plates and consists of a plurality of metal fins, the metal fins are arranged at intervals along the height direction of the expansion plates, ventilation channels are formed between the upper metal fins and the lower metal fins, and the left side and the right side of each metal fin are welded with the surfaces of the expansion plates.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the metal fin further comprises a flat plate part and a buckling part, wherein the buckling part is positioned at the left side and the right side of the flat plate part and is perpendicular to the flat plate part.

2. In the above-mentioned scheme, the flat plate portion of the metal fin is arranged in a manner perpendicular to the surface of the inflation plate.

3. In the scheme, the left side surface and the right side surface of the inflation plate are provided with bulges, and the flat plate parts of the metal fins are connected with the bulges in a welding way.

4. In the scheme, the metal bottom plate is a solid copper plate or a solid aluminum plate.

5. In the scheme, the metal fin is a copper sheet or an aluminum sheet.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages and effects:

the utility model relates to a radiator of an expansion plate, wherein a plurality of expansion plates are fixedly welded on the upper surface of a metal base plate, a fin group is arranged between two adjacent expansion plates, the fin group consists of a plurality of metal fins, the metal fins are arranged at intervals along the height direction of the expansion plates, ventilation channels are formed between the upper metal fins and the lower metal fins, the left side and the right side of each metal fin are welded with the surfaces of the expansion plates, and the metal fins are arranged between the two adjacent expansion plates.

Drawings

FIG. 1 is a schematic diagram of a blown-plate heat sink according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a heat sink with an expansion plate according to the present utility model;

fig. 3 is an enlarged view of fig. 2 at a in accordance with the present utility model.

In the above figures: 1. a metal base plate; 2. an inflation plate; 3. a protrusion; 4. a fin group; 5. a metal fin; 51. a flat plate portion; 52. and a buckling part.

Description of the embodiments

The present patent will be further understood by the specific examples given below, which are not intended to be limiting.

Example 1: a blown board heat sink comprising: the metal base plate 1 and the expansion plates 2, wherein the lower surface of the metal base plate 1 is in contact with a heat source, a plurality of expansion plates 2 are fixedly welded on the upper surface of the metal base plate 1, a fin group 4 is arranged between two adjacent expansion plates 2, the fin group 4 consists of a plurality of metal fins 5, the metal fins 5 are arranged at intervals along the height direction of the expansion plates 2, ventilation channels are formed between the upper metal fins 5 and the lower metal fins 5, and the left side and the right side of each metal fin 5 are welded with the surfaces of the expansion plates 2;

the lower surface of the bottom plate is connected with a heat source, the inflation plate is fixedly welded on the upper surface of the bottom plate, and the bottom plate transfers the heat of the heat source to the lower end of the inflation plate; the refrigerant in the inflation plate is gasified after absorbing heat, the gaseous refrigerant flows upwards and dissipates heat through the inflation plate and the metal fins, so that the heat dissipation area of the inflation plate is increased on the basis of enhancing the overall structural strength, and then the liquid refrigerant is formed to return to the bottom of the inflation plate.

The metal fin 5 further includes a flat plate portion 51 and a fastening portion 52, wherein the fastening portion 52 is located on both left and right sides of the flat plate portion 51, and the fastening portion 52 is disposed perpendicular to the flat plate portion 51.

The flat plate portion 51 of the metal fin 5 is provided perpendicularly to the surface of the inflation plate 2.

The metal base plate 1 is a solid copper plate.

The metal fin 5 is a copper sheet.

Example 2: a blown board heat sink comprising: the metal base plate 1 and the expansion plates 2, wherein the lower surface of the metal base plate 1 is in contact with a heat source, a plurality of expansion plates 2 are fixedly welded on the upper surface of the metal base plate 1, a fin group 4 is arranged between two adjacent expansion plates 2, the fin group 4 consists of a plurality of metal fins 5, the metal fins 5 are arranged at intervals along the height direction of the expansion plates 2, ventilation channels are formed between the upper metal fins 5 and the lower metal fins 5, and the left side and the right side of each metal fin 5 are welded with the surfaces of the expansion plates 2;

through set up metal fin between two adjacent inflation boards, on the basis that has strengthened overall structure intensity, reduced inflation board quantity, increased the clearance between the inflation boards to reduce the windage, also increased the radiating area of inflation board, improved the radiating efficiency of single inflation board, thereby improved holistic radiating efficiency.

Protrusions 3 are arranged on the left and right side surfaces of the inflation plate 2, and the flat plate parts 51 of the metal fins 5 are welded with the protrusions 3.

The metal base plate 1 is a solid copper plate.

The metal fin 5 is an aluminum sheet.

The working principle of the utility model is as follows:

when the device is used, the lower surface of the bottom plate is connected with a heat source, the expansion plate is fixedly welded on the upper surface of the bottom plate, and the bottom plate transfers heat of the heat source to the lower end of the expansion plate; the refrigerant in the inflation plate is gasified after absorbing heat, the gaseous refrigerant flows upwards and dissipates heat through the inflation plate and the metal fins, so that the heat dissipation area of the inflation plate is increased on the basis of enhancing the overall structural strength, and then the liquid refrigerant is formed to return to the bottom of the inflation plate.

When adopting above-mentioned inflation board radiator, it is through setting up metal fin between two adjacent inflation boards, on the basis that has strengthened overall structure intensity, has reduced inflation board quantity, has increased the clearance between the inflation board to the windage has been reduced, has also increased the radiating area of inflation board, has improved the radiating efficiency of single inflation board, thereby has improved holistic radiating efficiency.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A blown board heat sink comprising: the metal bottom plate (1), blow-up plate (2), the lower surface and the heat source contact of this metal bottom plate (1), a plurality of blow-up plate (2) fixed welding is in the upper surface of metal bottom plate (1), its characterized in that: a fin group (4) is arranged between two adjacent blowing plates (2), the fin group (4) is composed of a plurality of metal fins (5), the metal fins (5) are arranged at intervals along the height direction of the blowing plates (2), ventilation channels are formed between the upper metal fins (5) and the lower metal fins (5), and the left side and the right side of each metal fin (5) are welded with the surfaces of the blowing plates (2).

2. The expansion board radiator according to claim 1, characterized in that: the metal fin (5) further comprises a flat plate part (51) and buckling parts (52), the buckling parts (52) are positioned on the left side and the right side of the flat plate part (51), and the buckling parts (52) are perpendicular to the flat plate part (51).

3. The expansion board radiator according to claim 2, characterized in that: the flat plate part (51) of the metal fin (5) is arranged in a manner of being perpendicular to the surface of the inflation plate (2).

4. The expansion board radiator according to claim 2, characterized in that: protrusions (3) are arranged on the left side surface and the right side surface of the inflation plate (2), and the flat plate parts (51) of the metal fins (5) are connected with the protrusions (3) in a welding mode.

5. The expansion board radiator according to claim 1, characterized in that: the metal bottom plate (1) is a solid copper plate or a solid aluminum plate.

6. The expansion board radiator according to claim 1, characterized in that: the metal fin (5) is a copper sheet or an aluminum sheet.