CN217509118U

CN217509118U - Electronic integrated circuit board of IGBT (insulated Gate Bipolar transistor) driving circuit for electric vehicle

Info

Publication number: CN217509118U
Application number: CN202221505367.5U
Authority: CN
Inventors: 何荣生; 王晓鑫
Original assignee: Zhejiang Bolai Electronic Technology Co ltd
Current assignee: Zhejiang Bolai Electronic Technology Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-09-27
Anticipated expiration: 2032-06-15

Abstract

The utility model belongs to the technical field of electric motor car electron integration circuit board, concretely relates to IGBT drive circuit's for electric motor car electron integration circuit board, including the circuit board body, the contact has the heat-conducting plate on the circuit board body, be provided with the radiating block on the heat-conducting plate, it has the backup pad to bond on the circuit board body, backup pad and radiating block contact. The utility model discloses a set up the slide, U type shell fragment, and a support, the lead screw, the adapter sleeve, supporting shoe isotructure, slide on the circuit board body through the slide, U type shell fragment position can be adjusted, and then make when using, predetermine the error between the card hole on can avoiding fixture block and the casing, and simultaneously, screw motion is done through rotating lead screw and support, and then make the supporting shoe can remove and the fixture block level, and then support U type shell fragment, make the card hole on fixture block and the casing be difficult for breaking away from, installation stability is higher, and install the installation of being convenient for and dismantle.

Description

Electronic integrated circuit board of IGBT (insulated Gate Bipolar transistor) driving circuit for electric vehicle

Technical Field

The utility model relates to an electric motor car electron integrated circuit board technical field specifically is an electric motor car is with IGBT drive circuit's electron integrated circuit board.

Background

The motor drive controller is an essential part of the electric automobile, and the drive core of the motor drive controller is an IGBT power module. In the design of IGBT power module, designers often pay close attention to drive circuit design, for example drive power, overcurrent protection, voltage isolation etc. but the electronic integrated circuit board generally dispels the heat through self, and the radiating effect is relatively poor, and simultaneously, the installation of electronic integrated circuit board is generally through the mounting screw, and the installation is dismantled inconveniently, and simultaneously, it can have the error to open the hole in advance for the installation of electronic integrated circuit board is inconvenient. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an IGBT drive circuit's electron integration circuit board for electric motor car has solved the general self heat dissipation of electron integration circuit board, and the relatively poor problem of radiating effect has still been solved and has been opened the hole in advance and can have the error for the inconvenient problem of electron integration circuit board installation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an IGBT drive circuit's electron integrated circuit board for electric motor car, includes the circuit board body, the contact has the heat-conducting plate on the circuit board body, be provided with the radiating block on the heat-conducting plate, it has the backup pad to bond on the circuit board body, backup pad and radiating block contact, sliding connection has the slide on the circuit board body, there is the spacer pin through threaded connection in the slide, the welding has U type shell fragment on the slide, the welding has the fixture block on the U type shell fragment, the welding has the support on the slide, there is the lead screw through threaded connection in the support, the outside of lead screw is rotated and is connected with the adapter sleeve, fixedly connected with supporting shoe on the adapter sleeve.

Preferably, the heat dissipation block is provided with a plurality of heat dissipation blocks, and the heat dissipation blocks are arranged on the heat conduction plate in a staggered mode. Through setting up the radiating block, increase the radiating rate of heat-conducting plate.

Preferably, a strip-shaped sliding groove is formed in the circuit board body, and a limiting pin is connected in the strip-shaped sliding groove in a sliding mode. Through setting up the bar spout, to the removal direction of spacer pin.

Preferably, the lead screw is welded with a rotary disc, and the rotary disc is in contact with the support. Through setting up the carousel for the lead screw is convenient for rotate.

Preferably, the connecting sleeve is internally connected with a bolt through threads, the screw rod is provided with an annular groove, and the bolt is connected in the annular groove in a sliding manner. The connecting sleeve and the screw rod are connected by arranging the bolt and the ring groove.

Preferably, the supporting block is made of rubber, and the supporting block is in contact with the U-shaped elastic sheet. Through setting up the supporting shoe for U type shell fragment can not deform.

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

1. the utility model discloses a set up heat-conducting plate, radiating block, backup pad isotructure, heat conduction to circuit board body through the heat-conducting plate, increase the air current through the crisscross range of arranging of radiating block and flow through, and then make circuit board body radiating effect better.

2. The utility model discloses a set up the slide, U type shell fragment, and a support, the lead screw, the adapter sleeve, supporting shoe isotructure, slide on the circuit board body through the slide, can adjust U type shell fragment position, and then make when using, can avoid prescribing a limit to on fixture block and the casing error between the card hole, and simultaneously, be threaded motion through rotating lead screw and support, and then make the supporting shoe can remove with the fixture block level, and then support U type shell fragment, make the card hole on fixture block and the casing difficult break away from, installation stability is higher, and install the installation dismantlement of being convenient for.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a front cross-sectional view of the present invention in fig. 1;

fig. 3 is a bottom view of the heat-conducting plate of fig. 2 according to the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 5 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a circuit board body; 2. a heat conducting plate; 3. a heat dissipating block; 4. a support plate; 5. a slide base; 6. a spacing pin; 7. a strip-shaped chute; 8. a U-shaped elastic sheet; 9. a clamping block; 10. a support; 11. a screw rod; 12. a turntable; 13. connecting sleeves; 14. a bolt; 15. a ring groove; 16. and (7) a supporting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1, 2 and 3, an electronic integrated circuit board of an IGBT driving circuit for an electric vehicle includes a circuit board body 1, a heat conducting plate 2 is contacted on the circuit board body 1, a plurality of heat dissipating blocks 3 are arranged on the heat conducting plate 2, the plurality of heat dissipating blocks 3 are arranged on the heat conducting plate 2 in a staggered manner, the heat dissipating blocks 3 are arranged to increase the heat dissipating speed of the heat conducting plate 2, a supporting plate 4 is bonded on the circuit board body 1, and the supporting plate 4 is contacted with the heat dissipating blocks 3.

Please refer to fig. 2, fig. 4, sliding connection has a slide 5 on the circuit board body 1, there is a limit pin 6 through threaded connection in the slide 5, a bar-shaped chute 7 has been seted up on the circuit board body 1, sliding connection has the limit pin 6 in the bar-shaped chute 7, through setting up the bar-shaped chute 7, to the removal direction of limit pin 6, the welding has U type shell fragment 8 on the slide 5, the welding has a fixture block 9 on the U type shell fragment 8, the welding has a support 10 on the slide 5, there is a lead screw 11 through threaded connection in the support 10, the welding has a carousel 12 on the lead screw 11, carousel 12 and support 10 contact, through setting up carousel 12, make lead screw 11 be convenient for rotate.

Referring to fig. 2 and 5, the outer side of the screw rod 11 is rotatably connected with a connecting sleeve 13, a bolt 14 is connected in the connecting sleeve 13 through a thread, an annular groove 15 is formed in the screw rod 11, the bolt 14 is connected in the annular groove 15 in a sliding manner, the connecting sleeve 13 and the screw rod 11 are connected through the bolt 14 and the annular groove 15, a supporting block 16 is fixedly connected on the connecting sleeve 13, the supporting block 16 is made of rubber, the supporting block 16 is in contact with the U-shaped elastic sheet 8, and the U-shaped elastic sheet 8 cannot deform due to the arrangement of the supporting block 16.

The utility model discloses the concrete implementation process as follows: when the device is used, the whole device is placed into the shell, the sliding seat 5 is moved according to the position of the shell, which is provided with the clamping hole in advance, so that the clamping block 9 corresponds to the clamping hole in the vertical direction, then the whole device is pressed into the shell, the clamping block 9 is contacted with the shell, so that the U-shaped elastic sheet 8 is deformed until the clamping block 9 slides into the position of the clamping hole, the U-shaped elastic sheet 8 is reset, so that the clamping block 9 enters the clamping hole, then the screw rod 11 and the support 10 are rotated to do threaded motion, so that the support block 16 moves to be positioned at the same horizontal line with the clamping block 9, the position of the U-shaped elastic sheet 8 can be adjusted by sliding the sliding seat 5 on the circuit board body 1, further, when the device is used, the error between the clamping block 9 and the clamping hole which is arranged in advance on the shell can be avoided, meanwhile, the screw rod 11 and the support 10 are rotated to do threaded motion, so that the support block 16 can move to be horizontal to the clamping block 9, and then support U type shell fragment 8 for the card hole on fixture block 9 and the casing is difficult for breaking away from, and installation stability is higher, when 1 temperature of circuit board body risees, conducts heat to 1 of circuit board body through heat-conducting plate 2, increases the air current through the crisscross distance of arranging of radiating block 3, and then makes 1 radiating effect of circuit board body better.

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. The utility model provides an IGBT drive circuit's electronic integrated circuit board for electric motor car, includes circuit board body (1), its characterized in that: the circuit board comprises a circuit board body (1), wherein a heat conducting plate (2) is contacted with the circuit board body (1), a radiating block (3) is arranged on the heat conducting plate (2), a supporting plate (4) is bonded on the circuit board body (1), the supporting plate (4) is contacted with the radiating block (3), a sliding seat (5) is connected with the circuit board body (1) in a sliding mode, a limiting pin (6) is connected with the sliding seat (5) in the sliding seat (5) through threads, a U-shaped elastic sheet (8) is welded on the sliding seat (5), a clamping block (9) is welded on the U-shaped elastic sheet (8), a support (10) is welded on the sliding seat (5), a lead screw (11) is connected with the support (10) in the support (10) through threads, a connecting sleeve (13) is connected to the outer side of the lead screw (11) in a rotating mode, and a supporting block (16) is fixedly connected with the connecting sleeve (13).

2. The electronic integrated circuit board of the IGBT drive circuit for an electric vehicle according to claim 1, characterized in that: the heat dissipation blocks (3) are arranged in a plurality of staggered mode on the heat conduction plate (2).

3. The electronic integrated circuit board of the IGBT drive circuit for an electric vehicle according to claim 1, characterized in that: the circuit board is characterized in that a strip-shaped sliding groove (7) is formed in the circuit board body (1), and a limiting pin (6) is connected in the strip-shaped sliding groove (7) in a sliding mode.

4. The electronic integrated circuit board of the IGBT drive circuit for an electric vehicle according to claim 1, characterized in that: the screw rod (11) is welded with a rotary disc (12), and the rotary disc (12) is in contact with the support (10).

5. The electronic integrated circuit board of the IGBT drive circuit for an electric vehicle according to claim 1, characterized in that: there is bolt (14) through threaded connection in adapter sleeve (13), annular (15) have been seted up on lead screw (11), sliding connection has bolt (14) in annular (15).

6. The electronic integrated circuit board of the IGBT drive circuit for an electric vehicle according to claim 1, characterized in that: the supporting block (16) is made of rubber, and the supporting block (16) is in contact with the U-shaped elastic sheet (8).