Mounting structure for IGBT module

By designing the connection structure between the housing and the quick-release plate, as well as the heat dissipation device, the problem of pin damage and scattering during the handling and transportation of IGBT modules was solved, achieving quick assembly and disassembly and effective heat dissipation, thereby improving the reliability and lifespan of the equipment.

CN224098163UActive Publication Date: 2026-04-07HERITAGE ELECTRONIC TECH (JIANGSU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing IGBT modules are prone to pin bending and damage during handling, and are easily scattered during transportation, lacking sufficient protection and not convenient for quick assembly and disassembly.

Method used

An installation structure including a housing, a quick-release plate, and a heat dissipation device is designed. The housing and the quick-release plate are connected by a limit snap and a slide rail. A connection cable outlet and reinforcement are provided. The quick-release plate can be quickly installed and removed. The heat dissipation device dissipates heat through a fan. The housing is made of aluminum alloy.

Benefits of technology

It enables protective handling, rapid disassembly and assembly, and heat dissipation of IGBT modules, reducing the failure rate, extending equipment life, and improving equipment reliability and energy efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mounting structure used for an IGBT module, comprising a housing, a quick-release plate and a heat radiation device, the left side of the housing is provided with a limiting back buckle and a slide rail, the quick-release plate is provided with a slide groove and a fixing sheet, the quick-release plate is slidably inserted on the limiting back buckle and the slide rail, the top of the housing is fixedly provided with the heat radiation device, and the heat radiation device is provided with a fixing sheet. The shell and the quick release plate are provided with connecting wire outlets, and a reinforcing piece is fixedly installed in the shell. According to the utility model, the IGBT module is placed in the shell for use, the IGBT module is protected by the shell, the quick disassembly plate is arranged to realize quick disassembly and assembly of the IGBT module, the connecting line outlets on the shell and the quick disassembly plate are used for leading out input and output signals of the IGBT module, and the heat dissipation device can quickly discharge heat generated when the IGBT module works, so that the practicability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to IGBT module technical field, concretely relates to a mounting structure for IGBT module. BACKGROUND

[0002] IGBT module is the modularization semiconductor product that IGBT and FWD are through specific circuit bridge encapsulation, the IGBT module after encapsulation is directly applied to frequency converter, UPS uninterrupted power supply and so on equipment, IGBT module is connected with equipment through the external pin, and the encapsulation module shell at present needs to take the shell with hand to realize the transfer of product when carrying, the outer end of pin can be pricked into the palm at this time, and it is inconvenient to carry the product, and the exposed pin can also easily cause the pin to be bent and damaged in the carrying process, causing the pin to be incomplete, in addition, the product is generally placed in the box in the stacking mode during transportation, and the scattering can easily occur during transportation.

[0003] The existing mounting structure of IGBT module, for example, the mounting structure of IGBT module shell of announcement number CN212086739U, including encapsulation module shell, the strip type sliding slot mouth is set up on the side wall surface of encapsulation module shell, the two ends of the side wall inside of encapsulation module located strip type sliding slot mouth position are all set up and are accommodated in the cavity, the terminal rectangular frame is slidably arranged in the cavity, the terminal rectangular frame is fixedly installed in the inside, the surface of the terminal rectangular frame is fixedly provided with a plurality of pin terminals, the utility model discloses simple structure, convenient to transport, in the transportation process of encapsulation module shell, the terminal rectangular frame is located in the cavity, can avoid that the pin terminal is bumped, guarantees the integrity of pin terminal, and also can avoid that the pin terminal is pricked into the person, the terminal rectangular frame can be slid out from the cavity through the sliding block, so that the terminal rectangular frame is located in the strip type sliding slot mouth position, at this time, the pin terminal can be conveniently connected to the electricity, but the protection of the mounting structure for IGBT module is insufficient, and the IGBT module is not convenient for quick disassembly and assembly when being used.

[0004] Therefore, it is necessary to invent a mounting structure for IGBT module to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a mounting structure for IGBT module to solve the problems in the art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an installation structure for an IGBT module, comprising a housing, a quick-release plate, and a heat dissipation device. The left side of the housing is provided with a limiting buckle and a slide rail. The quick-release plate is provided with a sliding groove and a fixing piece. The quick-release plate is slidably inserted into the limiting buckle and the slide rail. The heat dissipation device is fixedly installed on the top of the housing. The housing and the quick-release plate are provided with a connection wire outlet. The reinforcement component is fixedly installed inside the housing.

[0007] Preferably, the outer casing has four mounting plates with round holes at its upper and lower edges, a fixing hole and a rectangular heat dissipation groove at its top, and heat dissipation holes at its bottom. The mounting plates, together with screws, can be used to quickly fix the entire outer casing to a flat surface.

[0008] Preferably, the right side wall of the housing is provided with two connection cable outlets, and the outer wall of the connection cable outlets is provided with external threads. A reinforcement member is fixedly welded at each of the four corners on the right side of the housing. The connection cable outlets are used to lead out the input and output signals of the IGBT module, and the reinforcement members are inserted to improve the stability of the housing structure.

[0009] Preferably, a heat dissipation device is fixedly installed at the heat dissipation slot, three fans are rotatably installed inside the heat dissipation device, and a protective net is fixedly installed on the top of the heat dissipation device. The heat generated by the IGBT module during operation is quickly dissipated from the casing by the rotation of the fans. The protective net can prevent personnel from accidentally touching the fans and also prevent debris from falling onto the fans.

[0010] Preferably, a groove is formed on the right side of the quick-release plate, the top of the groove is sealed, and an mounting piece is fixedly welded to the center of the top of the quick-release plate. Preferably, the quick-release plate has two connecting wire outlets. When the connecting wire outlets are not in use, a screw cap is connected to a threaded cap, and the inner wall of the threaded cap has an internal thread.

[0011] Preferably, both the outer shell and the quick-release plate are made of aluminum alloy. After the outer shell and the quick-release plate are inserted together, the round hole on the fixing plate corresponds to the fixing hole and is fixedly connected with a fixing nut. The slide rail installation is simple and quick, and the fixing nut fixes the outer shell and the quick-release plate.

[0012] Preferably, the thickness of the quick-release plate is equal to the backing width of the limiting backing, and the positions of the two connecting wire outlets on the quick-release plate correspond one-to-one with the positions of the two connecting wire outlets on the housing, which conforms to the positions of the four wiring points of the IGBT module.

[0013] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0014] 1. The IGBT module is protected by a housing, and a quick-release plate allows for rapid installation and removal of the IGBT module. The connection cable outlets on the housing and quick-release plate are used to lead out the input and output signals of the IGBT module. The heat dissipation device can quickly dissipate the heat generated by the IGBT module during operation, increasing its practicality.

[0015] 2. By providing the IGBT module with a closed, dustproof, and moisture-proof environment, the failure caused by environmental factors can be significantly reduced, thereby improving the reliability of the entire device. A good heat dissipation design can ensure that the IGBT module will not overheat during operation, thereby avoiding performance degradation or damage caused by overheating and extending the service life of the device.

[0016] 3. The quick-release structure design allows maintenance personnel to quickly and easily replace or repair IGBT modules, reducing maintenance costs and downtime. By adjusting the size and material of the mounting box, this structure can accommodate various types and specifications of IGBT modules, facilitating equipment upgrades and replacements. The excellent heat dissipation design helps improve the energy efficiency of the equipment, which aligns with the current green, environmentally friendly, and sustainable development concepts. Attached Figure Description

[0017] Fig. 1 This is a schematic diagram of the overall structure of an IGBT module mounting structure.

[0018] Fig. 2 This is a top view of a mounting structure for an IGBT module;

[0019] Fig. 3 This is a top view of the outer casing;

[0020] Fig. 4 This is a three-dimensional structural diagram of the quick-release plate;

[0021] Fig. 5 This is a bottom view of the quick-release plate;

[0022] Fig. 6 This is a schematic diagram of the internal structure of the outer shell.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Outer shell; 2. Quick-release plate; 3. Heat dissipation device; 4. Connection cable outlet; 5. Mounting plate; 6. Threaded cap; 7. Fixing nut; 8. Fan; 9. Protective net; 10. Limiting buckle; 11. Fixing hole; 12. Slide rail; 13. Heat dissipation groove; 14. Heat dissipation hole; 15. Fixing plate; 16. Slide groove; 17. Reinforcing parts. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] This utility model provides, for example Figs. 1-6 The installation structure shown includes a housing 1, a quick-release plate 2, and a heat dissipation device 3. The housing 1 has a limiting snap 10 and a slide rail 12 on its left side. The quick-release plate 2 has a slide groove 16 and a fixing piece 15. The quick-release plate 2 slides into the limiting snap 10 and slide rail 12. The heat dissipation device 3 is fixedly installed on the top of the housing 1. Connection cable outlets 4 are provided on the housing 1 and quick-release plate 2. Reinforcing members 17 are fixedly installed inside the housing 1. Four mounting pieces 5 with round holes are provided on the upper and lower edges of the housing 1. A fixing hole 11 and a rectangular heat dissipation groove 13 are opened on the top of the housing 1. Heat dissipation holes 14 are provided on the bottom of the housing 1. Two connection cable outlets 4 are provided on the right side wall of the housing 1. External threads are provided on the outer wall of the connection cable outlets 4. A reinforcing member 17 is fixedly welded to each of the four corners on the right side inside the housing 1. The heat dissipation device 3 is fixedly installed in the heat dissipation groove 13. Three fans 8 are rotatably installed inside the heat dissipation device 3. A protective net 9 is fixedly installed on the top of the heat dissipation device 3.

[0027] A groove 16 is opened on the right side of the quick-release plate 2. The top of the groove 16 is sealed. A mounting piece 5 is fixedly welded to the center of the top of the quick-release plate 2. A through hole is opened on the mounting piece 5. The quick-release plate 2 is provided with two connecting wire outlets 4. When the connecting wire outlets 4 are not in use, the screw cap is connected to the threaded cap 6. The threaded cap 6 has internal threads on its inner wall. Both the outer shell 1 and the quick-release plate 2 are made of aluminum alloy. After the outer shell 1 and the quick-release plate 2 are inserted together, the round hole on the fixing piece 15 corresponds to the fixing hole 11 and is fixedly connected with the fixing nut 7. The thickness of the quick-release plate 2 is equal to the backing width of the limit backing 10. The two connecting wire outlets 4 on the quick-release plate 2 correspond one-to-one with the two connecting wire outlets 4 on the outer shell 1.

[0028] Working principle of this utility model:

[0029] Refer to the instruction manual appendix Figs. 1-3 When using this utility model, first place the IGBT module into the housing 1, and connect the connecting wire on the right side of the IGBT module to other devices through the two connecting wire outlets 4 on the housing 1. Then, align the slide groove 16 on the quick release plate 2 with the slide rail 12 and insert it. After the quick release plate 2 is installed, use the fixing screw 7 to pass through the fixing piece 15 and screw it into the fixing hole 11 to fix the quick release plate 2 on the housing 1. When the IGBT module is working, turn on the heat dissipation device 3 to quickly dissipate the heat accumulated inside the housing and always maintain the working efficiency of the IGBT module.

Claims

1. A mounting structure for an IGBT module, comprising a housing (1), a quick-release plate (2), and a heat dissipation device (3), characterized in that: The outer shell (1) is provided with a limiting buckle (10) and a slide rail (12) on the left side. The quick release plate (2) is provided with a slide groove (16) and a fixing piece (15). The quick release plate (2) is slidably inserted into the limiting buckle (10) and the slide rail (12). A heat dissipation device (3) is fixedly installed on the top of the outer shell (1). The outer shell (1) and the quick release plate (2) are provided with a connecting wire outlet (4). A reinforcement component (17) is fixedly installed inside the outer shell (1).

2. The mounting structure for an IGBT module according to claim 1, characterized in that: The outer shell (1) has four mounting pieces (5) with round holes at its upper and lower edges. The top of the outer shell (1) has a fixing hole (11) and a rectangular heat dissipation groove (13). The bottom of the outer shell (1) has heat dissipation holes (14).

3. The mounting structure for an IGBT module according to claim 1, characterized in that: The outer shell (1) has two connecting wire outlets (4) on the right side shell wall, and the outer wall of the connecting wire outlets (4) has external threads. A reinforcing member (17) is fixedly welded to each of the four corners on the right side inside the outer shell (1).

4. The mounting structure for an IGBT module according to claim 2, characterized in that: A heat dissipation device (3) is fixedly installed at the heat dissipation slot (13), three fans (8) are rotatably installed inside the heat dissipation device (3), and a protective net (9) is fixedly installed on the top of the heat dissipation device (3).

5. The mounting structure for an IGBT module according to claim 1, characterized in that: A groove (16) is opened on the right side of the quick-release plate (2). The top of the groove (16) is sealed. An mounting piece (5) is fixedly welded to the center of the top of the quick-release plate (2). A through hole is opened on the mounting piece (5).

6. The mounting structure for an IGBT module according to claim 5, characterized in that: The quick-release plate (2) is provided with two connecting wire outlets (4). When the connecting wire outlets (4) are not in use, they are screwed onto a threaded cover (6). The inner wall of the threaded cover (6) has an internal thread.

7. The mounting structure for an IGBT module according to claim 1, characterized in that: Both the outer shell (1) and the quick-release plate (2) are made of aluminum alloy. After the outer shell (1) and the quick-release plate (2) are inserted together, the round hole on the fixing plate (15) corresponds to the fixing hole (11) and is fixedly connected by a fixing nut (7).

8. The mounting structure for an IGBT module according to claim 1, characterized in that: The thickness of the quick-release plate (2) is equal to the backing width of the limiting backing (10), and the positions of the two connecting line outlets (4) on the quick-release plate (2) correspond one-to-one with the positions of the two connecting line outlets (4) on the outer shell (1).

Citation Information

Patent Citations

  • Mounting structure of IGBT module shell

    CN212086739U