CN216528877U

CN216528877U - IGBT module isolation fixing device

Info

Publication number: CN216528877U
Application number: CN202122936857.2U
Authority: CN
Inventors: 汪彦秋; 许兴大; 刘延忠; 袁微
Original assignee: Wuxi Anhong Industrial Automation Equipment Co ltd
Current assignee: Wuxi Anhong Industrial Automation Equipment Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-13
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses an IGBT module isolation fixing device, and relates to the technical field of IGBT modules. The IGBT module heat dissipation device comprises a mounting fixing shell and a protection shell, wherein one side of the mounting fixing shell is fixedly connected with the protection shell, a heat dissipation component is arranged in the protection shell and used for dissipating heat of an IGBT module, and an auxiliary fixing component is arranged in the mounting fixing shell and used for fixing the IGBT module. According to the utility model, through the structural design of the heat dissipation component, people can more conveniently dissipate heat of the IGBT module when using the device, the heat dissipation efficiency is improved, the service life of the IGBT module is prolonged, through the structural design of the auxiliary fixing component, people can fix the IGBT module through the component when using the device, and the IGBT module can be conveniently disassembled when needing to be maintained, so that the IGBT module is more convenient to maintain when in use.

Description

IGBT module isolation fixing device

Technical Field

The utility model belongs to the technical field of IGBT modules, and particularly relates to an IGBT module isolation fixing device.

Background

The IGBT module is a modularized semiconductor product formed by bridge packaging of an IGBT (insulated gate bipolar transistor chip) and an FWD (freewheeling diode chip) through a specific circuit, and is widely applied to the fields of industrial frequency conversion, smart grids, photovoltaics, electric vehicles and the like due to the characteristics of high switching speed, small loss, low on-state voltage, high input impedance, pulse current impact resistance and the like;

along with the development of electronic technology, electronic devices develop towards high frequency, high speed and modularization, a device for isolating and fixing an IGBT module is generated, the heat generated by the electronic devices is increased all the time due to the wide application of high-power components, the heat dissipation component of the existing IGBT module isolation and fixing device is single in structure and poor in heat dissipation effect, and the maintenance of the IGBT module along with the development of the electronic technology also becomes a common problem, however, the existing isolation and fixing device is not convenient to disassemble the IGBT module and is difficult to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an Insulated Gate Bipolar Transistor (IGBT) module isolation fixing device, which aims to solve the existing problems that: the heat dissipation component of the existing IGBT module isolation fixing device is single in structure and poor in heat dissipation effect.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the Insulated Gate Bipolar Transistor (IGBT) module isolation fixing device comprises a mounting fixing shell and a protective shell, wherein one side of the mounting fixing shell is fixedly connected with the protective shell, a heat dissipation component is arranged in the protective shell and used for dissipating heat of an IGBT module, an auxiliary fixing component is arranged in the mounting fixing shell and used for fixing the IGBT module.

Further, the heat radiation component comprises a driving motor, a first bevel gear, a second bevel gear, connecting columns, fan blades and driving rollers, wherein the driving motor is fixed on one side of the protective shell through screws, the first bevel gear is fixedly connected with an output end of the driving motor, the second bevel gear is meshed with one side of the first bevel gear, the connecting column is fixedly connected with the inside of the second bevel gear, two ends of the connecting column are rotatably connected with the protective shell, the protective shell is further rotatably connected with a plurality of connecting columns, the fan blades are fixedly connected to one end of the outer side of the connecting column, the driving rollers are fixedly connected to one ends of the outer side of the connecting column, and the driving rollers are connected through a driving belt.

Furthermore, the fresh air inlet has all been seted up with the position that the flabellum corresponds to one side of protecting crust, the exhaust vent has been seted up to the opposite side of protecting crust.

Furthermore, the auxiliary fixing component comprises a fixing clamping groove, a clamping block, a pin, a contraction spring and a round handle, wherein the fixing clamping groove is fixedly connected to the two sides of the inside of the assembling fixing shell, the clamping block is clamped in the fixing clamping groove, through holes are formed in the inside of the assembling fixing shell and correspond to the fixing clamping groove, the pin is connected in the through holes in a sliding mode, the round handle is fixedly connected to one side, away from the assembling fixing shell, of the pin, the contraction spring is fixed to one side, close to the assembling fixing shell, of the round handle, the contraction spring is located on the outer side of the pin, and one side, close to the assembling fixing shell, of the contraction spring is fixedly connected with the assembling fixing shell.

Furthermore, a connecting hole is formed in the position, corresponding to the pin, in the fixed clamping groove, a groove is formed in the position, corresponding to the pin, of the clamping block, and the pin is connected with the connecting hole and the groove in a sliding mode.

Further, a plurality of isolation plates are fixedly connected inside the assembling fixing shell and used for isolating pins of the IGBT module from each other.

The utility model has the following beneficial effects:

1. according to the utility model, through the structural design of the heat dissipation component, people can more conveniently dissipate heat of the IGBT module when using the device, so that the heat dissipation efficiency is improved, and the service life of the IGBT module is prolonged.

2. According to the utility model, through the structural design of the auxiliary fixing component, people can fix the IGBT module through the component when using the device, and the IGBT module can be conveniently disassembled when needing to be maintained, so that the device is more convenient to maintain when in use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a cut-away view of the protective shell of the present invention;

FIG. 3 is a schematic structural diagram of a heat dissipating member according to the present invention;

FIG. 4 is a schematic structural view of an auxiliary fixing member according to the present invention;

fig. 5 is a sectional view of the fitting fixing case of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. assembling a fixed shell; 2. a protective shell; 3. a drive motor; 4. a first bevel gear; 5. a second bevel gear; 6. connecting columns; 7. a fan blade; 8. a driving roller; 9. a transmission belt; 10. fixing the clamping groove; 11. a clamping block; 12. a pin; 13. a retraction spring; 14. a round handle; 15. and (4) a partition board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention is an IGBT module isolating and fixing device, including a mounting and fixing housing 1 and a protective housing 2, one side of the mounting and fixing housing 1 is fixedly connected to the protective housing 2, a heat dissipation member is disposed inside the protective housing 2, the heat dissipation member is used for dissipating heat of an IGBT module, an auxiliary fixing member is disposed inside the mounting and fixing housing 1, and the auxiliary fixing member is used for fixing the IGBT module;

referring to fig. 2-3, the heat dissipation member includes a driving motor 3, a first bevel gear 4, a second bevel gear 5, a connecting post 6, a fan blade 7 and a driving roller 8, the driving motor 3 is fixed on one side of the protective housing 2 through a screw, the first bevel gear 4 is fixedly connected to an output end of the driving motor 3, the second bevel gear 5 is engaged with one side of the first bevel gear 4, the connecting post 6 is fixedly connected to the inside of the second bevel gear 5, two ends of the connecting post 6 are rotatably connected to the protective housing 2, the connecting posts 6 are rotatably connected to the inside of the protective housing 2, the fan blade 7 is fixedly connected to one end of the outer side of the connecting post 6, the driving roller 8 is fixedly connected to one end of the outer side of the connecting post 6, which is far away from the fan blade 7, the driving rollers 8 are connected to each other through a driving belt 9, the second bevel gear 5 is driven to rotate by starting the driving motor 3, and the second bevel gear 5 can be rotated, therefore, the connecting column 6 and the fan blades 7 can rotate, the fan blades 7 can generate wind power, and the operation is simple when the wind power generating device is used;

referring to fig. 1-3, air inlet holes are formed in positions of one side of the protective shell 2 corresponding to the fan blades 7, air outlet holes are formed in the other side of the protective shell 2, and the device can dissipate heat better through the arrangement of the air inlet holes and the air outlet holes;

referring to fig. 4-5, the auxiliary fixing member includes a fixing slot 10, a fastening block 11, a pin 12, a shrinking spring 13 and a circular handle 14, the fixing slot 10 is fixedly connected to both sides of the inside of the assembling fixing housing 1, the fastening block 11 is clamped inside the fixing slot 10, through holes are formed in the inside of the assembling fixing housing 1 corresponding to the fixing slot 10, the pin 12 is slidably connected in the through holes, the circular handle 14 is fixedly connected to one side of the pin 12 away from the assembling fixing housing 1, the shrinking spring 13 is fixed to one side of the circular handle 14 close to the assembling fixing housing 1, the shrinking spring 13 is located outside the pin 12, one side of the shrinking spring 13 close to the assembling fixing housing 1 is fixedly connected to the assembling fixing housing 1, the fastening block 11 can be fixed by the arrangement of the pin 12, and the IGBT module fixed to the fastening block 11 can be auxiliary fixed, and the maintenance is more convenient when in use;

referring to fig. 5, a connecting hole is formed in the fixing slot 10 at a position corresponding to the pin 12, a groove is formed in the fixture block 11 at a position corresponding to the pin 12, the pin 12 is slidably connected with the connecting hole and the groove, and the pin 12 can be more smoothly drawn out and inserted through the arrangement of the connecting hole and the groove;

referring to fig. 1, a plurality of isolation plates 15 are fixedly connected inside the mounting fixing housing 1, and the isolation plates 15 are used for isolating the pins of the IGBT module from each other.

One specific application of this embodiment is: when the device is used, the device is firstly connected with an external power supply, so that the device is electrified, when the IGBT module needs to be isolated and fixed, two round handles 14 are pulled to drive two pins 12 to be away from each other, then the clamping block 11 is taken out from the inside of the fixed clamping groove 10, then two ends of the IGBT module are respectively fixed with the two clamping blocks 11, the clamping blocks 11 are placed in the inner side of the fixed clamping groove 10, pins of the IGBT module are respectively placed between the isolation plates 15, at the moment, the round handles 14 are loosened, the two pins 12 are close to each other due to the action of the contraction spring 13, one end of each pin 12 can penetrate through the assembling fixed shell 1 and the fixed clamping groove 10 to slide into the inside of the clamping block 11 due to the arrangement of the through holes, the connecting holes and the grooves, so that the IGBT module can be fixed, when the IGBT module needs to be maintained, the round handles 14 are pulled to drive the two pins 12 to be away from each other, the pin 12 can be separated from the fixture block 11, so that the fixture block 11 can be taken out of the fixed fixture slot 10, the IGBT module can be taken out conveniently, and the IGBT module is more convenient to maintain during use;

need the heat dissipation when the IGBT module operation, it is rotatory to start driving motor 3 and drive bevel gear 4, bevel gear 4 drives bevel gear two 5 rotatory, bevel gear two 5 drives one of them spliced pole 6 rotatory, the transmission through driving roller 8 and drive belt 9 makes remaining spliced pole 6 also follow the rotation, and then make spliced pole 6 drive flabellum 7 rotatory, and then produce wind-force and dispel the heat to the IGBT module, and then make that to use this device can be more convenient dispel the heat to the IGBT module, the life of extension IGBT module.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a fixing device is kept apart to IGBT module, is including joining in marriage dress set casing (1) and protecting crust (2), join in marriage one side and protecting crust (2) fixed connection of dress set casing (1), its characterized in that: the IGBT module protection device is characterized in that a heat dissipation component is arranged inside the protection shell (2) and used for dissipating heat of the IGBT module, an auxiliary fixing component is arranged inside the assembling fixing shell (1) and used for fixing the IGBT module.

2. The Insulated Gate Bipolar Transistor (IGBT) module isolating and fixing device of claim 1, wherein: the heat dissipation component comprises a driving motor (3), a first bevel gear (4), a second bevel gear (5), a connecting column (6), fan blades (7) and a transmission roller (8), wherein the driving motor (3) is fixed on one side of the protective shell (2) through screws, the first bevel gear (4) is fixedly connected with the output end of the driving motor (3), the second bevel gear (5) is connected with one side of the first bevel gear (4) in a meshed mode, the connecting column (6) is fixedly connected inside the second bevel gear (5), two ends of the connecting column (6) are rotatably connected with the protective shell (2), a plurality of connecting columns (6) are rotatably connected inside the protective shell (2), the fan blades (7) are fixedly connected to one end of the outer side of the connecting column (6), and the transmission roller (8) is fixedly connected to one end of the outer side of the connecting column (6) far away from the fan blades (7), the driving rollers (8) are connected through a driving belt (9).

3. The Insulated Gate Bipolar Transistor (IGBT) module isolation fixing device of claim 2, wherein: the fresh air inlet has all been seted up with the position that flabellum (7) correspond to one side of protecting sheathing (2), the exhaust vent has been seted up to the opposite side of protecting sheathing (2).

4. The Insulated Gate Bipolar Transistor (IGBT) module isolating and fixing device of claim 1, wherein: the auxiliary fixing component comprises a fixing clamping groove (10), a clamping block (11), a pin (12), a contraction spring (13) and a round handle (14), both sides of the inside of the assembling fixed shell (1) are fixedly connected with fixed clamping grooves (10), the inner parts of the fixed clamping grooves (10) are all clamped with clamping blocks (11), the inner parts of the assembled fixed shell (1) corresponding to the fixed clamping grooves (10) are all provided with through holes, a pin (12) is connected in the through hole in a sliding way, a round handle (14) is fixedly connected on one side of the pin (12) far away from the assembling fixed shell (1), one side of the round handle (14) close to the assembling fixed shell (1) is fixed with a contraction spring (13), and the contraction spring (13) is positioned at the outer side of the pin (12), and one side of the contraction spring (13) close to the assembling fixed shell (1) is fixedly connected with the assembling fixed shell (1).

5. The IGBT module isolation fixing device of claim 4, wherein: the inside of the fixed clamping groove (10) is provided with a connecting hole at a position corresponding to the pin (12), the clamping block (11) is provided with a groove at a position corresponding to the pin (12), and the pin (12) is in sliding connection with the connecting hole and the groove.

6. The Insulated Gate Bipolar Transistor (IGBT) module isolating and fixing device of claim 1, wherein: the inner part of the assembling fixed shell (1) is fixedly connected with a plurality of isolation plates (15), and the isolation plates (15) are used for isolating pins of the IGBT module from each other.