CN215735505U

CN215735505U - Radiator structure of small-size fragment of brick power

Info

Publication number: CN215735505U
Application number: CN202121657952.2U
Authority: CN
Inventors: 周运江; 徐伟伟; 鲁昭军; 邱潮峰; 刘春红
Original assignee: Shanghai Yinglian Electronic System Co ltd
Current assignee: Shanghai Yinglian Electronic System Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-02-01
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a radiator structure of a small brick power supply, and belongs to the technical field of power supply modules. It includes PCBA circuit board and assorted radiator body, and the top surface of PCBA circuit board is provided with components and parts, and the border department of radiator body is provided with a plurality of highly uniform's boss, the equal fixedly connected with pothook of terminal surface of a plurality of boss, and the draw-in groove corresponding with the pothook is seted up at the border of PCBA circuit board. The utility model can ensure the consistency of the height when the PCBA is installed on the radiator and the safe distance between the PCBA components and the radiator by the assembling mode of the lug boss, the clamping hook and the clamping groove on the PCBA, can increase the effective use area of the PCBA and prevent the PCBA from layering, has low material cost, simple production and assembly and convenient operation, and can be widely applied to various small brick power supplies.

Description

Radiator structure of small-size fragment of brick power

Technical Field

The utility model relates to a radiator structure of a small brick power supply, and belongs to the technical field of power supply modules.

Background

The power module has the outstanding advantages of small size, high power and the like, and the size of the power module is like a brick, so the power module is called a brick power supply. The small-sized brick power supply is one of the large-power and widely-used small-sized brick power supply modules;

at present, because the product power design demand of a small-sized brick power supply is increasingly greater, the density of components is increasingly higher, and the demand of volume miniaturization is increasingly inclined, the heat generated during corresponding work is also increased, in order to solve the heat dissipation problem, heat dissipation is carried out or transmitted to a heat dissipation device of a client through a heat radiator, so that the surface of a heat dissipation device is ensured to have enough flatness, the heat dissipation device can be effectively attached to the heat dissipation device of the client, and the safety distance between the heat radiator and the components is ensured, otherwise, the heat dissipation capacity of a power supply module is greatly reduced, and the safety distance between the components and the heat radiator cannot be ensured, so that the work efficiency and the service life of the power supply module are reduced; and traditional radiator generally adopts two kinds of mounting means, firstly adopts the screw fixation, secondly adopts Pin needle tight fit fixed, and above-mentioned two kinds of modes have not only increased material cost and manufacturing cost, and the screw occupation space on the PCBA circuit board is great moreover, has reduced the effective usable floor area of PCBA circuit board, and Pin needle tight fit then can produce the problem that easily causes PCBA circuit board layering.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: the radiator structure of the small brick power supply solves the problems of the assembly height of the radiating fins of the conventional power supply module and the consistency of the safe distance of components, and reduces the effective use area of a PCBA circuit board and the layering of the PCBA circuit board in a traditional fixing mode.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

the utility model provides a radiator structure of small-size fragment of brick power, includes PCBA circuit board and assorted radiator body, the top surface of PCBA circuit board is provided with components and parts, the border department of radiator body is provided with a plurality of highly uniform's boss, a plurality of the equal fixedly connected with pothook of terminal surface of boss, the draw-in groove corresponding with the pothook has been seted up at the border of PCBA circuit board.

As a preferred example, the bosses are arranged in four, respectively located at four corners of the heat sink body.

As a preferred example, the end faces of three of the bosses are provided with hooks.

As a preferred example, the heat sink body is integrally formed by stamping.

As a preferred example, the four bosses are all bent on the radiator body.

As a preferred example, the lug boss and the hook are flush with the edge of the radiator body.

As a preferred example, the component is provided with a high thermal conductive filling adhesive.

As a preferred example, the bottom surface of the heat sink body is in contact with a highly thermally conductive underfill layer when the heat sink body is mounted on a PCBA circuit board.

The utility model has the beneficial effects that: the utility model can ensure the consistency of the height when the PCBA is installed on the radiator and the safe distance between the PCBA components and the radiator by the assembling mode of the lug boss, the clamping hook and the clamping groove on the PCBA, can increase the effective use area of the PCBA and prevent the PCBA from layering, has low material cost, simple production and assembly and convenient operation, can be widely applied to various small brick power supplies, and is suitable for combining two boards with different hardness.

Drawings

FIG. 1 is a schematic illustration of an explosive structure according to the present invention;

FIG. 2 is a schematic assembled view of the present invention;

fig. 3 is a schematic structural diagram of a heat sink body according to the present invention.

In the figure: the heat radiator comprises a heat radiator body 1, a boss 2, a clamping hook 3, a PCBA circuit board 4, a clamping groove 41, high-heat-conductivity filling glue 5 and a component 6.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the utility model easy to understand, the utility model is further described with reference to the specific drawings.

As shown in fig. 1-3, a radiator structure of small-size fragment of brick power, including PCBA circuit board 4 and assorted radiator body 1, the top surface of PCBA circuit board 4 is provided with components and parts 6, four corners department of radiator body 1 all is provided with highly uniform's boss 2, it is spacing through the length of boss 2, the uniformity of height when guaranteeing that radiator body 1 installation PCBA circuit board 1, and the safe distance of components and parts 6 and radiator body 1 on PCBA circuit board 4, wherein the equal fixedly connected with pothook 3 of terminal surface of three boss 2, three draw-in grooves 41 corresponding with pothook 3 have been seted up at the border of PCBA circuit board 4.

The radiator body 1 is integrally formed by stamping, and the four bosses 2 are formed by bending the radiator body 1, so that the radiator body 1 is simple to manufacture and low in cost.

Boss 2, pothook 3 all flush with the border of radiator body 1 for boss 2, pothook 3 all are in the border position at four angles of PCBA circuit board 4, have improved PCBA circuit board 4's effective use area greatly.

The high-heat-conductivity filling adhesive 5 is arranged on the component 6, and when the radiator body 1 is installed on the PCBA circuit board 4, the bottom surface of the radiator body 1 is in contact with the high-heat-conductivity filling adhesive, so that the heat dissipation efficiency is greatly improved.

According to the actual size of fragment of brick power, boss 2 is not limited to setting up four, and a plurality of bosses 2 circumference distribute in the border department of radiator body 1 for the more fastening of radiator body 1 and PCBA circuit board 4 connection.

The working principle is as follows: during assembly, high heat conduction filling adhesive 5 is firstly applied to 6 points of a component which generates heat on the top surface of the PCBA circuit board 4, two clamping hooks 3 positioned at one end of the radiator body 1 correspond to one ends of two clamping grooves 41 on the side surface of the PCBA circuit board 4, one clamping hook 3 is firstly clamped into the clamping groove 41, the radiator body 1 and the PCBA circuit board 4 form an included angle of one degree to five degrees, the other clamping hook 3 corresponds to the clamping groove 41, the radiator body 1 is rotated, the three clamping hooks 3 are respectively clamped into the clamping grooves 41, assembly can be completed, the operation is convenient and rapid, and after the assembly is completed, the bosses 2 and the clamping hooks 3 are positioned at the edge positions of three corners of the PCBA circuit board 4, the effective use area of the PCBA circuit board 4 is greatly increased, and relative to a Pin needle fixing mode, large internal stress cannot be generated, so that layering of the PCBA circuit board 4 cannot be caused.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a radiator structure of small-size fragment of brick power, includes PCBA circuit board (4) and assorted radiator body (1), the top surface of PCBA circuit board (4) is provided with components and parts (6), its characterized in that: the heat radiator is characterized in that a plurality of bosses (2) with the same height are arranged at the edge of the heat radiator body (1), a plurality of clamping hooks (3) are fixedly connected to the end faces of the bosses (2), and clamping grooves (41) corresponding to the clamping hooks (3) are formed in the edge of the PCBA circuit board (4).

2. The heat sink structure for a small-sized brick power supply as claimed in claim 1, wherein: the four bosses (2) are respectively positioned at the four corners of the radiator body (1).

3. The heat sink structure for a small-sized brick power supply as claimed in claim 2, wherein: the end surfaces of the three bosses (2) are provided with hooks (3).

4. The heat sink structure for a small-sized brick power supply as claimed in claim 1, wherein: the radiator body (1) is integrally formed by stamping.

5. The heat sink structure for a small-sized brick power supply as claimed in claim 1, wherein: the plurality of bosses (2) are formed by bending the radiator body (1).

6. The heat sink structure for a small-sized brick power supply as claimed in claim 1, wherein: the lug boss (2) and the clamping hook (3) are flush with the edge of the radiator body (1).

7. The heat sink structure for a small-sized brick power supply as claimed in claim 1, wherein: and the component (6) is provided with high-heat-conductivity filling glue (5).

8. The heat sink structure for a small-sized brick power supply as claimed in claim 7, wherein: when the radiator body (1) is installed on the PCBA circuit board (4), the bottom surface of the radiator body (1) is in contact with the high-heat-conduction filling adhesive layer.