IGBT (Insulated Gate Bipolar Translator) mounting structure

Abstract

The utility model relates to the field of IGBT installation structures, and discloses an IGBT installation structure comprising a main body, two sides of the upper end surface of the main body are fixedly provided with fixing plates, the front and rear parts of the upper end surface of the main body are fixedly provided with threaded plates, and one side of the upper end surface of the main body is fixedly provided with a connecting plate in a threaded manner. The upper end face of the connecting plate is sleeved with two fixing screws in a threaded mode, a clamping frame is fixed to the lower end face of the body in a threaded mode, and a fixing module is fixed to the upper end face of the body in a threaded mode. According to the utility model, the fixed plate is fixed at the upper end of the main body during use, the fixed plate can carry out threaded fixation on the IGBT modules, when two IGBT modules need to be fixed, the two main bodies can be fixed through the connecting plate and the fixing screws, so that the two main bodies can be connected with each other, and the clamping frame is fixed at the lower end of the main body in a threaded manner; and the cooling mechanism can be clamped by the clamping frame, so that the cooling mechanism can be arranged at the lower end of the main body, and the installed IGBT module can be cooled more conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to IGBT installation structure field especially relates to a kind of IGBT installation structure. BACKGROUND

[0002] IGBT, namely insulated gate bipolar transistor, is a kind of composite power electronic device, combines the advantages of MOSFET and BJT, with the characteristics of fast switching speed, small driving power, reduced saturation voltage. IGBT performs excellently under high voltage, large current conditions, is widely used in variable frequency speed regulation, inverter power supply, electric vehicle, rail transit and photovoltaic power generation field, is one of the key components of modern power electronics technology.

[0003] The existing IGBT module is generally fixed by pressing sheet, screw rod and nut when installing, however, in the process of actual use, since pressing sheet is metal conductive device, once with high voltage, it is easy to break down IGBT device, causes security risk, and fixed by pressing sheet will affect IGBT module heat dissipation, now IGBT module installs and carries out heat dissipation generally using fin, but only rely on the heat dissipation of fin itself can make heat dissipation effect be poor, affect IGBT module operation.

[0004] Therefore, the skilled person in the art provides an IGBT installation structure to solve the problems raised in the background art. SUMMARY

[0005] The utility model aims at solving the shortcomings in the prior art and provides an IGBT installation structure. The lower end of the main body is threadedly fixed with a clamping frame. The clamping frame can clamp the cooling mechanism. The cooling mechanism can be arranged at the lower end of the main body. The installed IGBT module can be cooled more conveniently. The two main bodies can be fixed by the connecting plate and the fixing screws. The main body can fix multiple IGBT mechanisms.

[0006] To achieve the above object, the utility model provides the following technical scheme: an IGBT installation structure, comprising a main body, fixed plates are fixed on both sides of the upper end face of the main body, threaded plates are fixed on the front and rear parts of the upper end face of the main body, a connecting plate is threadedly fixed on one side of the upper end face of the main body, two fixing screws are threadedly sleeved on the upper end face of the connecting plate, and a clamping frame is threadedly fixed on the lower end face of the main body.

[0007] A fixing module is threadedly fixed on the upper end face of the main body. The fixing module comprises a pressing frame. An opening is formed in the upper end face of the pressing frame. Rotating columns are slidingly arranged at the four corners of the upper end face of the pressing frame. Handle heads are fixed on the upper end faces of the four rotating columns. Threaded blocks are fixed on the lower end faces of the four rotating columns.

[0008] Further, the upper end of the body is fixedly provided with a through hole, and two fixing plates are provided with fixing holes on the upper end surface.

[0009] Further, the upper end surface of the body is fixedly provided with a clamping fixing frame, and the lower end surface of the clamping fixing frame is fixedly provided with a heat dissipation plate.

[0010] Further, the clamping frame is fixedly provided with mounting plates at the front and rear ends, and two connecting holes are formed in the lower end surface of the mounting plates.

[0011] Further, the material of the body is heat-conducting plastic.

[0012] Further, the material of the clamping fixing frame is high-heat-conducting ceramic.

[0013] Further, the upper end surface of the two threaded plates is provided with a threaded hole.

[0014] The utility model has the following beneficial effects:

[0015] 1. The IGBT mounting structure disclosed by the utility model is fixed with a fixing plate on the upper end of the body in use, the fixing plate can be used for threadedly fixing the IGBT module, when two IGBT modules need to be fixed, the two bodies can be fixed through the connecting plate and the fixing screw, so that the two bodies can be connected to each other, the lower end of the body is threadedly fixed with a clamping frame, the clamping frame can be used for clamping the cooling mechanism, so that the cooling mechanism can be arranged at the lower end of the body, and the installed IGBT module is more convenient to cool.

[0016] 2. The IGBT mounting structure disclosed by the utility model is provided with a fixing module on the upper end of the body, the fixing module can press the IGBT module to the upper end of the body in use, so that the IGBT module can be fixed through the fixing plate and the fixing mechanism in installation, and the IGBT module can be more firmly arranged at the upper end of the body, the main structure of the fixing module comprises a pressing frame, the material of the pressing frame is insulating plastic, the pressing frame cannot be struck through by electric shock when the pressing frame is pressed on the upper end of the IGBT module, the four corners of the pressing frame are provided with rotating columns, the lower end of the rotating column is provided with a threaded block, the rotating column can arrange the pressing frame on the upper end of the body through the threaded block, and the fixing module is convenient to replace when the fixing module is damaged. DRAWINGS

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 It is a bottom view of the utility model;

[0019] Figure 3It is the bottom view schematic diagram of the main body part structure of the utility model.

[0020] Figure 4 It is the expanded top view schematic diagram of the utility model.

[0021] Legend:

[0022] 1, main body;2, via hole;3, fixed plate;4, fixed hole;5, clamping fixing frame;6, heat dissipation plate;7, threaded plate;8, fixed module;9, connecting plate;10, fixed screw;11, clamping frame;12, mounting plate;13, connecting hole;14, threaded hole;801, pressing frame;802, mouth;803, rotating column;804, threaded block;805, handle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Reference Figures 1-4 The utility model provides an embodiment: a kind of IGBT installation structure, including main body 1, the both sides of upper end surface of main body 1 are fixedly provided with fixed plate 3, the front and rear of upper end surface of main body 1 are fixedly provided with threaded plate 7, one side of upper end surface of main body 1 is fixedly provided with connecting plate 9 with screw, the upper end surface of connecting plate 9 is screw-jointed with two fixed screws 10, the lower end surface of main body 1 is fixedly provided with clamping frame 11 with screw;

[0025] The upper end surface of main body 1 is fixedly provided with fixed module 8 with screw, the upper end of main body 1 is fixedly provided with via 2, the upper end surface of two fixed plates 3 is provided with fixed hole 4, the middle of upper end surface of main body 1 is fixedly provided with clamping fixing frame 5, the lower end surface of clamping fixing frame 5 is fixedly provided with heat dissipation plate 6, the front and rear of clamping frame 11 are fixedly provided with mounting plate 12, the lower end surface of two mounting plates 12 is provided with two connecting holes 13, the material used for main body 1 is heat-conducting plastic, the material used for clamping fixing frame 5 is high-thermal-conductivity ceramic, the upper end surface of two threaded plates 7 is provided with threaded hole 14.

[0026] Specifically, the material used by the main body 1 during use is a heat-conducting plastic, so that the main body 1 can be conveniently cooled during use. The upper end surface of the main body 1 is fixed with a fixed plate 3, and a fixed hole 4 is formed in the upper end surface of the fixed plate 3. The screw of the IGBT module is threadedly sleeved with the fixed hole 4 of the fixed plate 3, so that the IGBT module can be fixed to the upper end of the main body 1. The upper end surface of the main body 1 is provided with a through hole 2 at the four corners, and the through hole 2 can be provided with a screw inside during use, so that the main body 1 can be fixed with other structures. When multiple IGBT modules need to be fixed, two main bodies 1 can be fixed. The two main bodies can be fixed by threadedly sleeving the fixing screw 10 of the connecting plate 9. After the main body 1 is connected, it can be fixed with two IGBT modules. The front and rear ends of the upper end surface of the main body 1 are fixed with a threaded plate 7, and the threaded plate 7 is provided with a threaded hole 14. The threaded plate 7 can be connected with the fixed module 8 through the threaded hole 14. The fixed module 8 can press the IGBT module during use, so that the IGBT module can be more firmly arranged on the upper end of the main body 1 during installation. The upper end of the main body 1 is fixedly provided with a clamping fixing frame 5, which can fix the heat sink 6. The material of the heat sink 6 is high-thermal-conductivity ceramic, which has good heat dissipation and does not conduct electricity, so that the heat sink 6 can more safely dissipate heat for the IGBT module. The lower end of the main body 1 is threadedly fixed with the mounting plate 12 on both sides of the clamping frame 11, so that the clamping frame 11 can be arranged at the lower end of the heat sink 6 during use. The clamping frame 11 can clamp and fix the heat dissipation mechanism, so that the heat dissipation mechanism can quickly take away the temperature of the heat sink 6, so that the heat sink 6 can better cool the IGBT module.

[0027] Referring to Figure 1 , the fixed module 8 comprises a pressing frame 801, and a through hole 802 is formed in the upper end surface of the pressing frame 801. Four rotating columns 803 are slidingly arranged at the four corners of the upper end surface of the pressing frame 801. A handle head 805 is fixedly arranged at the upper end surface of each of the four rotating columns 803. A threaded block 804 is fixedly arranged at the lower end surface of each of the four rotating columns 803.

[0028] Specifically, the fixed module 8 can reinforce the IGBT module during use. The main structure of the fixed module 8 comprises a pressing frame 801, which can press the IGBT module. Four rotating columns 803 are formed at the four corners of the upper end surface of the pressing frame 801. A handle head 805 is fixedly arranged at the upper end of each of the four rotating columns 803. The handle head 805 can conveniently rotate the rotating column 803. A threaded block 804 is fixedly arranged at the lower end surface of the rotating column 803. After the rotating column 803 is rotated, the threaded block 804 can be fixed with the threaded plate 7, so that the fixed module 8 can be arranged at the upper end of the main body 1.

[0029] Working principle: the four corners of the upper end face of the main body 1 are provided with through holes 2, the through holes 2 can be provided with screws inside during use, so that the main body 1 can be fixed with other structures, when multiple IGBT modules need to be fixed, two main bodies 1 can be fixed, the two main bodies can be fixed through the fixed screws 10 threaded on the connecting plate 9, so that the main body 1 can be fixed with two IGBT modules after being connected;

[0030] The upper end of the main body 1 is fixedly provided with a clamping fixing frame 5, the clamping fixing frame 5 can fix the heat dissipation plate 6, the material of the heat dissipation plate 6 is high-thermal-conductivity ceramic, the high-thermal-conductivity ceramic has good heat dissipation and is not conductive, so that the heat dissipation plate 6 can more safely dissipate heat for the IGBT module.

[0031] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An IGBT mounting structure, comprising a main body (1), characterized in that: The main body (1) has fixed plates (3) on both sides of the upper end face, threaded plates (7) on both the front and rear of the upper end face, a connecting plate (9) on one side of the upper end face, two fixing screws (10) on the upper end face of the connecting plate (9), and a snap-fit ​​bracket (11) on the lower end face of the main body (1). The upper end face of the main body (1) is threaded with a fixing module (8). The fixing module (8) includes a pressing frame (801). The upper end face of the pressing frame (801) has a through-hole (802). Rotating columns (803) are slidably arranged at the four corners of the upper end face of the pressing frame (801). A handle head (805) is fixedly arranged on the upper end face of each of the four rotating columns (803). A threaded block (804) is fixedly arranged on the lower end face of each of the four rotating columns (803).

2. The IGBT mounting structure according to claim 1, characterized in that: The main body (1) has through holes (2) fixedly installed at the four corners of its upper end, and the two fixing plates (3) have fixing holes (4) on their upper surfaces.

3. The IGBT mounting structure according to claim 1, characterized in that: A snap-fit ​​fixing bracket (5) is fixedly installed in the middle of the upper end face of the main body (1), and a heat dissipation plate (6) is fixedly installed on the lower end face of the snap-fit ​​fixing bracket (5).

4. The IGBT mounting structure according to claim 1, characterized in that: The front and rear ends of the card holder (11) are fixedly provided with mounting plates (12), and the lower end faces of the two mounting plates (12) have two connecting holes (13).

5. The IGBT mounting structure according to claim 1, characterized in that: The main body (1) is made of thermally conductive plastic.

6. The IGBT mounting structure according to claim 3, characterized in that: The snap-fit ​​bracket (5) is made of high thermal conductivity ceramic.

7. The IGBT mounting structure according to claim 1, characterized in that: Both of the threaded plates (7) have threaded holes (14) on their upper surfaces.

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