CN219303652U

CN219303652U - IGBT device

Info

Publication number: CN219303652U
Application number: CN202320747852.1U
Authority: CN
Inventors: 袁光明; 南柯; 王林; 南亦婷
Original assignee: Wuxi Kewei Semiconductor Co ltd
Current assignee: Wuxi Kewei Semiconductor Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-07-04
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to the technical field of IGBT devices and discloses an IGBT device. The heat generated by the device body of the IGBT device can be quickly conducted onto the frame body through the first heat conducting adhesive layer, the frame body is conducted onto the radiating fins through the silica gel sheet and the second heat conducting adhesive layer, and the radiating fins are contacted with air to radiate the heat, so that the heat generated by the device body can be radiated timely and quickly, and the working efficiency is not easily affected. Through mount pad, soft adhesive tape and spacing post for the accessible is with the soft stopper of soft adhesive tape stopper device body's mounting hole when installing the device body, makes spacing post insertible mounting hole and mounted position's screw hole, when making the device body tighten at the bolt of one of them mounting hole, can not take place rotatory skew.

Description

IGBT device

Technical Field

The utility model relates to the technical field of IGBT devices, in particular to an IGBT device.

Background

The IGBT (insulated gate bipolar transistor) integrates the advantages of MOSFET (Metal-Oxide-semiconductor field-effect transistor) and GTR (power transistor), and has the advantages of fast switching speed, reduced on-voltage, large capacity, flexible control, etc., and is the main power switching device in the current inverter welding machine.

The existing IGBT device is poor in heat dissipation performance, cannot rapidly dissipate heat, and is easy to influence the working efficiency of the IGBT device.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an IGBT device which is provided with a first heat conducting adhesive layer, a frame body, a silica gel sheet, a second heat conducting adhesive layer and a radiating fin, so that heat generated by a device body can be quickly conducted onto the frame body through the first heat conducting adhesive layer, the frame body conducts the heat onto the radiating fin through the silica gel sheet and the second heat conducting adhesive layer, and the radiating fin is contacted with air to radiate the heat, so that the heat generated by the device body can be radiated quickly in time, the working efficiency is not easy to influence, and the like.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: an IGBT device comprises an IGBT device body, a frame body, a first heat conducting adhesive layer, a silica gel sheet, a second heat conducting adhesive layer, a radiating fin, a soft adhesive tape, a limit column and a mounting seat;

each terminal surface of device body all is equipped with heat conduction glue film one, heat conduction glue film one surface is equipped with the framework, the framework surface is equipped with the silica gel piece, the silica gel piece surface is equipped with heat conduction glue film two, heat conduction glue film two surfaces are equipped with the fin, four ends of device body top surface all are equipped with the mount pad, the mount pad inner wall is equipped with soft adhesive tape.

Preferably, the four ends of the top surface of the device body are respectively provided with mounting holes in a penetrating manner, each end surface of the device body is respectively coated with heat conduction glue to form a first heat conduction glue layer, the device body is fixedly connected with a frame body through the first heat conduction glue layer, and the frame body is a heat conduction metal frame.

Through above-mentioned technical scheme for the device body accessible mounting hole is installed, and the heat that the device body during operation produced can be conducted to the framework through the heat conduction glue film soon.

Preferably, each surface of the frame body is fixedly provided with a silica gel sheet, a layer of heat conducting glue is coated on the surface of the silica gel sheet to form a second heat conducting glue layer, and the silica gel sheet is fixedly connected with a radiating fin through the second heat conducting glue layer.

Through above-mentioned technical scheme for the framework is through silica gel piece and heat conduction glue film second with heat conduction to the fin on, rethread fin and air contact, come the heat to dispel out.

Preferably, four ends of the top surface of the device body are respectively fixedly provided with a mounting seat, the inner wall of the mounting seat is fixedly connected with a connecting shaft, one end of the soft adhesive tape is fixedly connected with a connecting cylinder, and the connecting cylinder is sleeved on the connecting shaft of the mounting seat.

Through the technical scheme, the soft adhesive tape can rotate on the connecting shaft of the mounting seat.

Preferably, one end of the soft adhesive tape is fixedly connected with a soft plug, and the bottom surface of the soft plug is fixedly provided with a limiting column.

Through the technical scheme, when the device body is installed, the soft plug of the soft adhesive tape can be plugged into the installation hole of the device body, so that the limit column can be inserted into the installation hole and the threaded hole of the installation position, and the device body cannot rotate and deviate when the bolt of one of the installation holes is tightened.

Compared with the prior art, the utility model provides an IGBT device, which has the following beneficial effects:

1. according to the utility model, the first heat conducting adhesive layer, the frame body, the silica gel sheet, the second heat conducting adhesive layer and the radiating fin are adopted, so that heat generated by the device body can be quickly conducted onto the frame body through the first heat conducting adhesive layer, the frame body conducts the heat onto the radiating fin through the silica gel sheet and the second heat conducting adhesive layer, and the radiating fin is contacted with air to radiate the heat, so that the heat generated by the device body can be radiated quickly in time, and the working efficiency is not easy to influence.

2. According to the utility model, through the mounting seat, the soft adhesive tape and the limiting column, when the device body is mounted, the soft stopper of the soft adhesive tape is plugged into the mounting hole of the device body, so that the limiting column can be inserted into the mounting hole and the threaded hole of the mounting position, and the device body cannot rotate and deviate when the bolt of one of the mounting holes is tightened.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is a schematic top view of the structure of the present utility model;

fig. 3 is an enlarged partial schematic view of a in fig. 2, which is a structural diagram of the present utility model.

Wherein: 1. an IGBT device; 2. a device body; 3. a frame; 4. a first heat conducting adhesive layer; 5. a silicone sheet; 6. a second heat conducting adhesive layer; 7. a heat sink; 8. a soft adhesive tape; 9. a limit column; 10. and (5) a mounting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an IGBT device includes an IGBT device 1, where the IGBT device 1 includes a device body 2, a frame 3, a first heat conductive adhesive layer 4, a silica gel sheet 5, a second heat conductive adhesive layer 6, a heat sink 7, a soft adhesive tape 8, a limit post 9, and a mounting base 10;

each terminal surface of device body 2 all is equipped with heat conduction glue film one 4, and heat conduction glue film one 4 surface is equipped with framework 3, and the framework 3 surface is equipped with silica gel piece 5, and silica gel piece 5 surface is equipped with heat conduction glue film two 6, and heat conduction glue film two 6 surfaces are equipped with fin 7, and four ends of device body 2 top surface all are equipped with mount pad 10, and the mount pad 10 inner wall is equipped with soft adhesive tape 8.

Specifically, four ends of the top surface of the device body 2 are respectively provided with mounting holes in a penetrating manner, each end face of the device body 2 is respectively coated with heat conduction glue to form a first heat conduction glue layer 4, the device body 2 is fixedly connected with a frame body 3 through the first heat conduction glue layer 4, and the frame body 3 is a heat conduction metal frame. The advantage is that make device body 2 accessible mounting hole install, and the heat that device body 2 during operation produced can be conducted to frame 3 on through heat conduction glue film one 4 rapidly.

Specifically, each surface of the frame body 3 is fixedly provided with a silica gel sheet 5, a layer of heat conducting glue is coated on the surface of the silica gel sheet 5 to form a second heat conducting glue layer 6, and the silica gel sheet 5 is fixedly connected with a radiating fin 7 through the second heat conducting glue layer 6. The advantage is that make the framework 3 pass through silica gel piece 5 and heat conduction glue film two 6 with heat conduction to fin 7 on, rethread fin 7 and air contact come the heat to dispel out.

Specifically, four ends of the top surface of the device body 2 are respectively fixedly provided with a mounting seat 10, the inner wall of the mounting seat 10 is fixedly connected with a connecting shaft, one end of the soft adhesive tape 8 is fixedly connected with a connecting cylinder, and the connecting cylinder is sleeved on the connecting shaft of the mounting seat 10. The advantage is that the soft rubber strip 8 can rotate on the connecting shaft of the mounting seat 10.

Specifically, soft adhesive tape 8 one end fixedly connected with soft stopper, and soft stopper bottom surface fixed mounting has spacing post 9. The device has the advantages that the device body 2 can be plugged into the mounting hole of the device body 2 through the soft plug of the soft adhesive tape 8 when being mounted, the limit column 9 can be inserted into the mounting hole and the threaded hole of the mounting position, and the device body 2 cannot rotate and deviate when being screwed up by the bolt of one of the mounting holes.

When the device is used, after the mounting hole of the device body 2 is aligned with the threaded hole of the mounting position, the mounting hole of the device body 2 is plugged by the soft plug of the soft adhesive tape 8, so that the limit column 9 can be inserted into the mounting hole and the threaded hole of the mounting position, and then the device is pulled out one by one to be mounted by bolts, when the device body 2 works, the heat generated by the device body 2 can be rapidly conducted onto the frame body 3 through the first heat conducting adhesive layer 4, the frame body 3 conducts the heat onto the radiating fins 7 through the silica gel sheet 5 and the second heat conducting adhesive layer 6, and the heat is dissipated through the contact of the radiating fins 7 and air, so that the heat generated by the device body 2 can be timely and rapidly dissipated, and the working efficiency is not easy to influence.

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

Claims

1. An IGBT device comprising an IGBT device (1), characterized in that: the IGBT device (1) comprises a device body (2), a frame body (3), a first heat conducting adhesive layer (4), a silica gel sheet (5), a second heat conducting adhesive layer (6), a radiating fin (7), a soft adhesive tape (8), a limiting column (9) and a mounting seat (10);

each terminal surface of device body (2) all is equipped with heat conduction glue film one (4), heat conduction glue film one (4) surface is equipped with framework (3), framework (3) surface is equipped with silica gel piece (5), silica gel piece (5) surface is equipped with heat conduction glue film two (6), heat conduction glue film two (6) surface is equipped with fin (7), four ends of device body (2) top surface all are equipped with mount pad (10), mount pad (10) inner wall is equipped with soft adhesive tape (8).

2. The IGBT device of claim 1 wherein: four ends of the top surface of the device body (2) are respectively provided with mounting holes in a penetrating mode, each end face of the device body (2) is respectively coated with heat conducting glue to form a first heat conducting glue layer (4), the device body (2) is fixedly connected with a frame body (3) through the first heat conducting glue layer (4), and the frame body (3) is a heat conducting metal frame.

3. The IGBT device of claim 1 wherein: each surface of the frame body (3) is fixedly provided with a silica gel sheet (5), a layer of heat conducting glue is coated on the surface of the silica gel sheet (5) to form a second heat conducting glue layer (6), and the silica gel sheet (5) is fixedly connected with a radiating fin (7) through the second heat conducting glue layer (6).

4. The IGBT device of claim 1 wherein: four ends of the top surface of the device body (2) are respectively fixedly provided with a mounting seat (10), the inner wall of the mounting seat (10) is fixedly connected with a connecting shaft, one end of the soft adhesive tape (8) is fixedly connected with a connecting cylinder, and the connecting cylinder is sleeved on the connecting shaft of the mounting seat (10).

5. The IGBT device of claim 1 wherein: one end of the soft adhesive tape (8) is fixedly connected with a soft plug, and the bottom surface of the soft plug is fixedly provided with a limiting column (9).