CN217405218U

CN217405218U - Fastening heat radiation structure of high-frequency transformer

Info

Publication number: CN217405218U
Application number: CN202221107489.9U
Authority: CN
Inventors: 周才荣; 陶权根; 孔凡明
Original assignee: Huaining Banqiao Electronics Co ltd
Current assignee: Huaining Banqiao Electronics Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-09
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a fastening heat radiation structure of high-frequency transformer, including heat radiation module and fixed module that is installed on the transformer body and is used for fixing heat radiation module, wherein the top side of transformer body is equipped with the heat conduction pad, fixed module fixes on the heat conduction pad through the bolt, its characterized in that, fixed module includes fixed block and fixed shim, wherein the fixed block is equipped with the multiunit, multiunit fixed block bottom end face is hugged closely with the heat conduction pad, the fixed block front side end is equipped with the cooling surface, and this cooling surface is the unsmooth cooling surface; the multiunit the fixed block inboard is equipped with a mounting groove, and the multiunit fixed block is circular distribution on the heat conduction pad terminal surface, and the mounting groove inboard of each fixed block all is equipped with the fixed bolster. The utility model discloses a mode of connecting the block need not bolt, nut fixed, is convenient for install and dismantle the radiator unit of high frequency transformer, and the radiating efficiency is high simultaneously.

Description

Fastening heat radiation structure of high-frequency transformer

Technical Field

The utility model relates to a transformer field specifically is a fastening heat radiation structure of high frequency transformer.

Background

The high-frequency transformer is the most important component of the switching power supply. There are many topologies in switching power supplies. For example, in a half-bridge power conversion circuit, two switching transistors are conducted in turn to generate a high-frequency pulse wave of 100kHz during operation, and then a high-frequency transformer is used for transforming voltage to output alternating current.

At present, most high-frequency transformers are installed through bolts, the installation of the bolts is very troublesome, the bolts are easy to rust for a long time, and the high-frequency transformers are not easy to detach when needing to be replaced; meanwhile, a large amount of heat can be generated in the use process of the high-frequency transformer, and quick heat dissipation cannot be realized only by natural heat dissipation, so that the use of the high-frequency transformer is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high frequency transformer's fastening heat radiation structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fastening heat dissipation structure of a high-frequency transformer comprises a heat dissipation module and a fixing module which is arranged on a transformer body and used for fixing the heat dissipation module, wherein a heat conduction pad is arranged on the top side of the transformer body, and the fixing module is fixed on the heat conduction pad through a bolt; the multiunit the fixed block inboard is equipped with a mounting groove, and the multiunit fixed block is circular distribution on the heat conduction pad terminal surface, and the mounting groove inboard of each fixed block all is equipped with the fixed bolster.

Preferably, the heat dissipation module can be installed on the inner side of the fixing block, the heat dissipation module is in a circular ring shape and is formed by connecting a plurality of heat dissipation units, each heat dissipation unit is provided with a heat dissipation fin, and the end of each heat dissipation unit is provided with a connecting groove.

Preferably, the inner wall of mounting groove is located to the fixed shim, and the fixed shim is the annular setting, and the fixed shim rear end face is the radiating end face, and the fixed shim front end be equipped with spread groove complex connecting portion.

Preferably, the fixing block and the fixing gasket are made of heat conducting materials, and heat dissipation holes are formed in the fixing block and the fixing gasket.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up fixed module, fixed module itself passes through the bolt fastening on the transformer body, and fixed module utilizes fixed block, fixed shim to install heat dissipation module, adopts the mode of connection block, need not bolt, nut fixed, is convenient for install and dismantle the radiator unit of high frequency transformer; and the fixed module is itself heat conduction material, and the fixed module can be with the heat conduction of heat conduction pad to utilize cooling surface and the heat radiation module on the fixed block to disperse the heat, thereby realize the heat dissipation to the transformer, promoted high frequency transformer's heat radiating area and radiating efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a partial structure of the present invention.

In the figure: 1. a transformer body; 2. a thermally conductive pad; 3. a fixed block; 301. a heat dissipating surface; 302. mounting grooves; 4. fixing a gasket; 5. a heat dissipation module; 501. a heat dissipation unit; 502. and connecting the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a fastening heat dissipation structure of a high-frequency transformer comprises a heat dissipation module 5 and a fixing module which is arranged on a transformer body 1 and used for fixing the heat dissipation module 5, wherein a heat conduction pad 2 is arranged on the top side of the transformer body 1, and the fixing module is fixed on the heat conduction pad 2 through a bolt; multiunit 3 inboard of fixed block is equipped with a mounting groove 302, and multiunit fixed block 3 is circular distribution on 2 terminal surfaces of heat conduction pad, and the mounting groove 302 inboard of each fixed block 3 all is equipped with mounting pad 4.

In this embodiment, the heat dissipation module 5 may be installed inside the fixing block 3, the heat dissipation module 5 is annular and is formed by connecting a plurality of heat dissipation units 501, each of the heat dissipation units 501 is provided with a heat dissipation fin, and the end of each of the heat dissipation units 501 is provided with a connection slot 502.

In this embodiment, the fixing pad 4 is disposed on the inner wall of the mounting groove 302, the fixing pad 4 is disposed in an annular shape, the rear end face of the fixing pad 4 is a heat dissipating end face, and the front end of the fixing pad 4 is disposed with a connecting portion cooperating with the connecting groove 502.

In this embodiment, fixed block 3, fixed shim 4 are the heat conduction material and make, are equipped with the louvre on fixed block 3, the fixed shim 4.

In this embodiment, by arranging the fixing module, the fixing module is fixed on the transformer body by bolts, the fixing module utilizes the fixing block 3 and the fixing gasket 4 to install the heat dissipation module 5, and the fixing module adopts a connection and clamping manner, so that the fixing by bolts and nuts is not needed, and the heat dissipation assembly of the high-frequency transformer can be conveniently installed and disassembled; and the fixed module is itself heat conduction material, and the fixed module can be with the heat conduction of thermal pad 2 to utilize cooling surface 301 and the cooling module 5 on the fixed block 3 to disperse the heat, thereby realize the heat dissipation to the transformer, promoted high frequency transformer's heat radiating area and radiating efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fastening heat dissipation structure of a high-frequency transformer comprises a heat dissipation module (5) and a fixing module which is arranged on a transformer body (1) and used for fixing the heat dissipation module (5), wherein a heat conduction pad (2) is arranged on the top side of the transformer body (1), and the fixing module is fixed on the heat conduction pad (2) through bolts; the multiunit fixed block (3) inboard is equipped with a mounting groove (302), and multiunit fixed block (3) are circular distribution on heat conduction pad (2) terminal surface, and mounting groove (302) inboard of each fixed block (3) all is equipped with mounting pad (4).

2. The fastening heat dissipation structure of a high-frequency transformer according to claim 1, wherein: the heat dissipation module (5) can be arranged on the inner side of the fixing block (3), the heat dissipation module (5) is in a circular ring shape and is formed by connecting a plurality of heat dissipation units (501), each heat dissipation unit (501) is provided with a heat dissipation fin, and the end part of each heat dissipation unit (501) is provided with a connecting groove (502).

3. The fastening and heat-dissipating structure of a high-frequency transformer as claimed in claim 1, wherein: the inner wall of mounting groove (302) is located in fixed shim (4), and fixed shim (4) are the annular setting, and fixed shim (4) rear end face is the radiating end face, and fixed shim (4) front end is equipped with and spread groove (502) complex connecting portion.

4. The fastening heat dissipation structure of a high-frequency transformer according to claim 1, wherein: the fixing block (3) and the fixing gasket (4) are made of heat conduction materials, and heat dissipation holes are formed in the fixing block (3) and the fixing gasket (4).