CN218730908U

CN218730908U - IGBT power module with physical cooling structure at joint

Info

Publication number: CN218730908U
Application number: CN202222883555.8U
Authority: CN
Inventors: 臧军
Original assignee: Suzhou Tancoom Mechanical & Electrical Engineering Co ltd
Current assignee: Suzhou Tancoom Mechanical & Electrical Engineering Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-24
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a junction has IGBT power module of physics cooling structure relates to IGBT power module technical field, and for solving current IGBT power module that has the physics cooling structure when work, IGBT power module's junction radiating effect is not good, and IGBT power module can not be fine carries out radiating problem to the junction. The utility model discloses a heat dissipation device of IGBT power module, including IGBT power module casing, installation base, installation fixed slot, protection network, the inside of IGBT power module casing is provided with the heat dissipation logical groove, the inside at heat dissipation logical groove both ends all is provided with the heat dissipation through-hole, one side that the logical groove of heat dissipation was provided with the installation fixing base, the one end of installation base is provided with the fixed mounting foot, the upper end of IGBT power module casing is provided with the mount pad, the one end of mount pad is provided with the connection piece, the inside of IGBT power module casing two relative outer walls all is provided with the installation fixed slot, the protection network is installed to the one end of installation fixed slot, the inside of IGBT power module casing is provided with the heat dissipation and leads to the groove, the inside at heat dissipation logical groove both ends all is provided with the heat dissipation through-hole, one side that the heat dissipation led to the groove is provided with the installation fixing base, heat abstractor is installed to one side of installation fixing base.

Description

IGBT power module with physical cooling structure at joint

Technical Field

The utility model relates to a IGBT power module technical field specifically is an IGBT power module that junction has physics cooling structure.

Background

The IGBT power module is a power module formed by an insulated gate bipolar transistor, the grid electrode of the IGBT module is electrically isolated from an emitting electrode through a layer of oxide film, the IGBT power module has excellent device performance and is widely applied to the fields of servo motors, frequency converters, frequency conversion household appliances and the like, and the IGBT power module is voltage type control and has the advantages of large input impedance, small driving power, simple control circuit, small switching loss, high on-off speed, high working frequency, large element capacity and the like.

Chinese patent publication No. CN214542201U, publication No. 2021, 10 months, 29 days, an IGBT module structure with a heat dissipation device comprises a body, a vertical plate is fixedly connected to the top surface of the body, a threaded hole is formed in the side surface of the vertical plate, a mounting frame is arranged on the inner side of the vertical plate, an inner groove is formed in the top of the mounting frame, a mounting plate is fixedly connected to the inner surface of the inner groove, and a mounting groove is formed in the side surface of the mounting plate in a clamping manner. This IGBT modular structure with heat abstractor, set up the riser through the top surface at the body, and set up the installing frame in the side of riser, utilize the inside groove connection mounting panel of installing frame, and set up the mounting groove in the side of mounting panel, and install the fan in the mounting groove, and make the side of riser set up the trepanning, the screw hole is seted up to the side of installing frame, utilize butterfly thread hole mesoporosity screw thread to cup joint the bolt, realize the tight fixing of clamp of installing frame, and it is convenient to dismantle, through adjusting the installing frame angle and screwing the bolt, realize the wind direction and adjust, excellent in use effect.

However, when the existing IGBT power module with the physical cooling structure works, the heat dissipation effect of the joint of the IGBT power module is not good, and the IGBT power module cannot dissipate heat to the joint well, so that the problems are solved by the IGBT power module with the physical cooling structure in the joint urgently needed in the market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a junction has IGBT power module of physics cooling structure to solve the current IGBT power module that has the physics cooling structure that proposes in the above-mentioned background art when work, IGBT power module's junction radiating effect is not good, and IGBT power module can not be fine carries out radiating problem to the junction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a junction has IGBT power module of physics cooling structure, includes IGBT power module casing, the lower extreme of IGBT power module casing is provided with the installation base, the one end of installation base is provided with the fixed mounting foot, the upper end of IGBT power module casing is provided with the mount pad, the one end of mount pad is provided with the connection piece, the inside of connection piece is provided with the connecting hole, the inside of two relative outer walls of IGBT power module casing all is provided with the installation fixed slot, the protection network is installed to the one end of installation fixed slot, the inside of IGBT power module casing is provided with the logical groove of heat dissipation, the inside at logical groove both ends of heat dissipation all is provided with the heat dissipation through-hole, one side that the logical groove of heat dissipation was provided with the installation fixing base, heat abstractor is installed to one side of installation fixing base, heat abstractor's internally mounted has the heat dissipation fan, the motor is installed to the one end of heat dissipation fan.

Preferably, the fixed mounting foot and the mounting base are of an integral structure, and a fixed mounting screw hole is formed in the fixed mounting foot.

Preferably, the number of the fixed mounting screw holes is four, and the four fixed mounting screw holes are symmetrical with respect to a vertical center line of the mounting base.

Preferably, one end of each connecting sheet is located inside the mounting seat, and six connecting sheets are arranged and are symmetrical with respect to a vertical center line of the IGBT power module shell.

Preferably, the inside of mount pad upper end is provided with horizontal radiating groove, the one end of horizontal radiating groove is provided with vertical radiating groove, horizontal radiating groove and vertical radiating groove cross arrangement.

Preferably, one end of the protective net is provided with a fixing foot, and the fixing foot is fixedly connected with the installation fixing groove through a fixing screw.

Preferably, four fixing screws are arranged, the four fixing screws are symmetrical about a vertical center line of the protective net, and one ends of the fixing screws penetrate through the fixing legs and extend to the inside of the mounting fixing grooves.

Preferably, the number of the heat dissipation through holes is thirty six, and the thirty six heat dissipation through holes are sequentially distributed in the heat dissipation through groove.

Preferably, one end of the heat dissipation device is provided with a connecting seat, and the connecting seat is fixedly connected with the mounting fixing seat through a fastening screw.

Preferably, the number of the fastening screws is four, and one end of each fastening screw penetrates through the connecting seat and extends into the mounting fixing seat.

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

1. this kind of junction has IGBT power module of physics cooling structure, when this kind of IGBT power module is carrying out connection work, the junction contacts completely, it is not good to lead to the junction radiating effect like this, be provided with horizontal radiating groove and vertical radiating groove through the inside in the mount pad upper end, horizontal radiating groove and vertical radiating groove through setting up, can make the connection piece when connecting, certain space has all around, cooling that dispels the heat that like this can be fine, when the junction temperature is too high, the heat of junction distributes the inside that the logical groove of heat dissipation through-hole of heat dissipation through the heat dissipation through-hole that sets up, then through opening heat abstractor, make the heat dissipation fan begin to rotate, the heat to discharging the logical inslot portion of heat dissipation that like this can be quick distributes, thereby realize cooling to this kind of IGBT power module's junction.

2. This kind of junction has the IGBT power module of physics cooling structure, and the protection network is installed to the logical groove both sides of heat dissipation, can prevent through the protection network of installation that big debris from entering into the inner wall that the logical groove of heat dissipation, can not influence heat abstractor's radiating effect simultaneously.

Drawings

Fig. 1 is an overall plan view of the present invention;

FIG. 2 is an overall side view of the present invention;

fig. 3 is a front sectional view of the present invention;

fig. 4 is a partially enlarged view of the area a of fig. 3 according to the present invention.

In the figure: 1. an IGBT power module housing; 101. a heat dissipation through groove; 102. a heat dissipating through hole; 103. installing a fixed groove; 104. mounting a fixed seat; 2. installing a base; 201. fixing the mounting feet; 202. fixedly mounting a screw hole; 3. a mounting seat; 301. a transverse heat dissipation groove; 302. a longitudinal heat dissipation groove; 4. connecting sheets; 401. connecting holes; 5. a protective net; 501. a fixing leg; 6. a set screw; 7. a heat sink; 701. a connecting seat; 8. fastening screws; 9. a heat dissipation fan; 10. a motor.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a junction has IGBT power module of physics cooling structure, including IGBT power module casing 1, the lower extreme of IGBT power module casing 1 is provided with installation base 2, the one end of installation base 2 is provided with fixed mounting foot 201, the upper end of IGBT power module casing 1 is provided with mount pad 3, the one end of mount pad 3 is provided with connection piece 4, the inside of connection piece 4 is provided with connecting hole 401, the inside of two relative outer walls of IGBT power module casing 1 all is provided with installation fixed slot 103, protection network 5 is installed to the one end of installation fixed slot 103, the inside of IGBT power module casing 1 is provided with logical groove 101 of heat dissipation, the inside at logical groove 101 both ends of heat dissipation all is provided with heat dissipation through-hole 102, one side that logical groove 101 of heat dissipation was provided with installation fixing base 104, heat abstractor 7 is installed to one side of installation fixing base 104, the internally mounted of heat abstractor 7 has heat dissipation fan 9, motor 10 is installed to the one end of heat dissipation fan 9.

Referring to fig. 1, the fixing and mounting leg 201 and the mounting base 2 are integrated into a whole, and a fixing and mounting screw hole 202 is formed in the fixing and mounting leg 201, so that the structure between the fixing and mounting leg 201 and the mounting base 2 is firmer.

Referring to fig. 1, four fixing mounting screw holes 202 are provided, the four fixing mounting screw holes 202 are symmetrical with respect to the vertical center line of the mounting base 2, and the IGBT power module having a physical cooling structure at the connection position can be conveniently mounted and fixed through the four fixing mounting screw holes 202.

Referring to fig. 1, one end of the connecting sheet 4 is located inside the mounting base 3, six connecting sheets 4 are provided, the six connecting sheets 4 are symmetrical with respect to the vertical center line of the IGBT power module housing 1, and the IGBT power module with a physical cooling structure at the connecting position can be conveniently connected through the connecting sheets 4.

Referring to fig. 1, a transverse heat dissipation groove 301 is formed in the upper end of the mounting base 3, a longitudinal heat dissipation groove 302 is formed in one end of the transverse heat dissipation groove 301, the transverse heat dissipation groove 301 and the longitudinal heat dissipation groove 302 are arranged in a crossed manner, and a certain gap is formed around the connecting sheet 4 when the connecting sheet is connected through the transverse heat dissipation groove 301 and the longitudinal heat dissipation groove 302, so that heat dissipation and cooling can be well performed.

Referring to fig. 2, 3 and 4, a fixing pin 501 is disposed at one end of the protection net 5, and the fixing pin 501 is fixedly connected with the installation fixing groove 103 through a fixing screw 6, so that the protection net 5 and the installation fixing groove 103 can be conveniently installed and fixed.

Referring to fig. 2, 3 and 4, four fixing screws 6 are provided, the four fixing screws 6 are symmetrical with respect to a vertical center line of the protection net 5, one end of each fixing screw 6 passes through the fixing leg 501 and extends into the installation fixing groove 103, and the installation between the protection net 5 and the installation fixing groove 103 can be more firmly achieved through the installed fixing screws 6.

Referring to fig. 3, thirty-six heat dissipation through holes 102 are formed, and the thirty-six heat dissipation through holes 102 are sequentially distributed in the heat dissipation through groove 101, so that heat generated in the connection portion can be dissipated into the heat dissipation through groove 101 through the heat dissipation through holes 102.

Referring to fig. 3 and 4, a connection seat 701 is disposed at one end of the heat dissipation device 7, and the connection seat 701 is fixedly connected with the mounting seat 104 through a fastening screw 8, so that the heat dissipation device 7 and the mounting seat 104 can be conveniently mounted and fixed.

Referring to fig. 3 and 4, four fastening screws 8 are provided, one end of each fastening screw 8 penetrates through the connecting seat 701 and extends into the mounting seat 104, and the heat sink 7 and the mounting seat 104 can be mounted more firmly through the provided fastening screws 8.

The working principle is as follows: during the use, through installing heat abstractor 7 into the inside of heat dissipation through groove 101, then install fixedly connecting seat 701 and installation fixing base 104 through fastening screw 8, when this kind of IGBT power module is carrying out connection work, the junction contacts completely, can lead to the junction radiating effect not good like this, through being provided with horizontal radiating groove 301 and vertical radiating groove 302 in the inside of mount pad 3 upper end, through horizontal radiating groove 301 and vertical radiating groove 302 that set up, can make connection piece 4 when connecting, have certain space all around, can be fine like this dispel the heat and cool down, when the junction high temperature, the heat of junction distributes the inside of heat dissipation through-hole 101 through the heat dissipation through-hole 102 that sets up, then through opening heat abstractor 7, make heat dissipation fan 9 begin to rotate, can be quick like this to discharging the inside heat of heat dissipation through groove 101 and give off, thereby realize cooling down the junction of this kind of IGBT power module, protection network 5 is installed to heat dissipation through groove 101 both sides, can prevent that big debris from entering the inner wall of heat dissipation through groove 101 through the installed protection network 5, can not influence the radiating effect of heat abstractor 7 simultaneously.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a junction has IGBT power module of physics cooling structure, includes IGBT power module casing (1), its characterized in that: the utility model discloses a heat dissipation device, including IGBT power module casing (1), connecting piece (4), connecting hole (401), installation fixed slot (103) are all provided with in the inside of two relative outer walls of IGBT power module casing (1), protection network (5) are installed to the one end of installation fixed slot (103), the inside of IGBT power module casing (1) is provided with heat dissipation logical groove (101), the inside at heat dissipation logical groove (101) both ends all is provided with heat dissipation through-hole (102), one side that the logical groove of heat dissipation (101) is provided with fixing base (104), heat abstractor (7) are installed to one side of fixing base (104), the internally mounted of heat abstractor (7) has heat dissipation fan (9), motor (10) are installed to the one end of heat dissipation fan (9).

2. The IGBT power module with the physical cooling structure at the joint according to claim 1, characterized in that: the fixed mounting foot (201) and the mounting base (2) are of an integral structure, and a fixed mounting screw hole (202) is formed in the fixed mounting foot (201).

3. The IGBT power module with the physical cooling structure at the joint according to claim 2, characterized in that: the number of the fixed mounting screw holes (202) is four, and the four fixed mounting screw holes (202) are symmetrical relative to the vertical center line of the mounting base (2).

4. The IGBT power module with the physical cooling structure at the joint according to claim 1, characterized in that: one end of each connecting piece (4) is located inside the corresponding mounting base (3), six connecting pieces (4) are arranged, and the six connecting pieces (4) are symmetrical about the vertical center line of the IGBT power module shell (1).

5. The IGBT power module with the physical cooling structure at the joint according to claim 1, characterized in that: the inside of mount pad (3) upper end is provided with horizontal radiating groove (301), the one end of horizontal radiating groove (301) is provided with vertical radiating groove (302), horizontal radiating groove (301) and vertical radiating groove (302) cross arrangement.

6. The IGBT power module with the physical cooling structure at the joint according to claim 1, characterized in that: one end of the protective net (5) is provided with a fixing foot (501), and the fixing foot (501) is fixedly connected with the installation fixing groove (103) through a fixing screw (6).

7. The IGBT power module with the physical cooling structure at the joint according to claim 6, characterized in that: the number of the fixing screws (6) is four, the four fixing screws (6) are symmetrical relative to the vertical center line of the protective net (5), and one end of each fixing screw (6) penetrates through the fixing foot (501) and extends to the inside of the installation fixing groove (103).

8. The IGBT power module with the physical cooling structure at the joint according to claim 1, characterized in that: the heat dissipation through holes (102) are thirty-six, and the thirty-six heat dissipation through holes (102) are sequentially distributed in the heat dissipation through groove (101).

9. The IGBT power module with the physical cooling structure at the joint according to claim 1, characterized in that: one end of the heat dissipation device (7) is provided with a connecting seat (701), and the connecting seat (701) is fixedly connected with the mounting fixing seat (104) through a fastening screw (8).

10. The IGBT power module with the physical cooling structure at the joint according to claim 9, characterized in that: the number of the fastening screws (8) is four, and one end of each fastening screw (8) penetrates through the connecting seat (701) and extends into the mounting fixing seat (104).