CN220510016U - Thyristor module - Google Patents
Thyristor module Download PDFInfo
- Publication number
- CN220510016U CN220510016U CN202322161098.6U CN202322161098U CN220510016U CN 220510016 U CN220510016 U CN 220510016U CN 202322161098 U CN202322161098 U CN 202322161098U CN 220510016 U CN220510016 U CN 220510016U
- Authority
- CN
- China
- Prior art keywords
- plate
- thyristor
- heat
- radiator
- elastic pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 40
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
The utility model discloses a thyristor module, which belongs to a semiconductor device and comprises a shell, a thyristor assembly and a radiator; the shell is fixed on the upper part of the radiator, and the thyristor assembly is arranged in the shell; the heat-conducting plate is arranged in the shell and comprises an elastic pressing plate, a heat-conducting base plate and a locking bolt; the elastic pressing plate and the heat conducting base plate are respectively positioned at the upper part and the lower part of the thyristor assembly; the bottom of the shell is provided with an opening, the heat conducting backing plate is positioned in the opening, and the lower surface of the heat conducting backing plate is attached to the radiator; the elastic pressing plate is fixedly connected with the radiator through the locking bolt, and downward pressing force is applied to the thyristor assembly and the heat conducting base plate through the elastic pressing plate. The thyristor module has reasonable structural design, simpler structure and good heat dissipation effect, and can reduce the production cost on the premise of ensuring the service performance of the product.
Description
Technical Field
The utility model relates to the field of structural design of semiconductor devices, in particular to a thyristor module.
Background
In order to solve the problem of poor heat dissipation effect of the thyristor module, the thyristor module and the radiator are usually combined together in a fixed way. The bottom of the existing thyristor module is usually fixed with a heat-conducting aluminum plate, the thyristor body is fixed with the radiator and then is attached to the radiator through the heat-conducting aluminum plate, and heat generated by the thyristor component in the thyristor module is conducted to the radiator through the heat-conducting aluminum plate to dissipate heat. However, this method has problems in that the installation of the heat conductive aluminum plate increases the manufacturing cost, and in addition, the problem that the heat conductive aluminum plate cannot be in close contact with the radiator easily occurs during the assembly, so that the heat conduction is affected, and the heat dissipation effect is further affected. Therefore, there is still room for improvement in the structure of the existing thyristor module.
Disclosure of Invention
Aiming at the defects pointed out in the background art, the utility model aims to provide the thyristor module with reasonable structure, relatively simplified structure and ensured heat dissipation effect.
The technical scheme for realizing the purpose of the utility model is as follows:
the utility model provides a thyristor module, which comprises a shell, a thyristor assembly and a radiator;
the shell is fixed on the upper part of the radiator, and the thyristor assembly is arranged in the shell;
the heat-conducting plate is arranged in the shell and comprises an elastic pressing plate, a heat-conducting base plate and a locking bolt;
the elastic pressing plate and the heat conducting base plate are respectively positioned at the upper part and the lower part of the thyristor assembly;
the bottom of the shell is provided with an opening, the heat conducting backing plate is positioned in the opening, and the lower surface of the heat conducting backing plate is attached to the radiator;
the elastic pressing plate is fixedly connected with the radiator through the locking bolt, and downward pressing force is applied to the thyristor assembly and the heat conducting base plate by the elastic pressing plate.
Preferably, an insulating plate is arranged between the thyristor assembly and the elastic pressing plate.
Preferably, the insulating plate is provided with a positioning protrusion protruding upwards, and the elastic pressing plate is provided with a positioning hole matched with the positioning protrusion.
Preferably, the elastic pressing plate is an arc-shaped plate with an inner arc surface facing upwards.
Preferably, a plurality of bolt through holes are distributed around the elastic pressing plate, and the locking bolts penetrate through the bolt through holes to be matched with corresponding threaded holes on the radiator.
Preferably, the heat conducting backing plate is a ceramic plate.
Preferably, the radiator is an aluminum radiator, and radiating fins are arranged on the aluminum radiator.
The utility model has the positive effects that: the thyristor module structure is optimized, and the production cost is reduced by omitting a heat conduction aluminum plate in the conventional thyristor module; when the heat radiator is used, heat generated by the thyristor assembly is conducted to the radiator through the heat conducting backing plate to be dissipated, the elastic pressing plate is pressed to generate elastic deformation when the locking bolt is fastened, and then the thyristor assembly and the heat conducting backing plate are pressed through the elastic pressing plate, so that the parts of the thyristor assembly and the parts of the heat conducting backing plate can be kept in close contact with each other, the electric conducting backing plate and the radiator can be further guaranteed to be in electric conduction performance, the heat radiation effect is good, and the product performance is stable.
Drawings
These and/or other aspects, features and advantages of the present disclosure will become more apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:
FIG. 1 is a cross-sectional view of a thyristor module according to the utility model;
fig. 2 is a schematic structural diagram of a heat sink according to the present utility model.
The reference numerals shown in the figures are: 1-a housing; 11-opening holes; a 2-thyristor assembly; 3-a heat sink; 31-radiating fins; 4-an elastic pressing plate; 41-positioning holes; 5-a heat conducting backing plate; 6-locking a bolt; 7-an insulating plate; 71-positioning projections.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model.
The thyristor module structure in the embodiment is shown in fig. 1, and comprises a shell 1, a thyristor assembly 2 and a radiator 3; the thyristor assembly 2 is a conventional structure in a thyristor module, and generally comprises conducting plates, chips, a gate positioning piece and other parts which are arranged in a stacked manner, wherein the gate piece is embedded in the gate positioning piece, the shell 1 is fixed on the upper part of the radiator 3, and the thyristor assembly 2 is arranged in the shell 1; an elastic pressing plate 4, a heat conducting base plate 5 and a locking bolt 6 are also arranged in the shell 1; the elastic pressing plate 4 and the heat conducting base plate 5 are respectively positioned at the upper part and the lower part of the thyristor assembly 2; the bottom of the shell 1 is provided with an opening 11, the heat conducting base plate 5 is positioned in the opening 11, and the lower surface of the heat conducting base plate is attached to the radiator 3; the elastic pressing plate 4 is fixedly connected with the radiator 3 through the locking bolt 6, and downward pressing force is applied to the thyristor assembly 2 and the heat conducting base plate 5 by the elastic pressing plate 4.
By adopting the structure, the production cost is reduced by omitting a heat conduction aluminum plate in the existing thyristor module; during use, heat generated by the thyristor assembly 2 is conducted to the radiator 3 through the heat conducting base plate 5 to be dissipated, the elastic pressing plate 4 is pressed to generate elastic deformation when the locking bolt 6 is fastened, and then the thyristor assembly 2 and the heat conducting base plate 5 are pressed through the elastic pressing plate 4, so that the parts of the thyristor assembly 2 and the parts of the heat conducting base plate 5 are in tight contact with each other, the heat conducting base plate 5 and the radiator 3 can be kept in tight contact, electric conduction performance is guaranteed, the radiating effect is good, and the product performance is stable.
In order to separate the thyristor assembly 2 from the elastic pressing plate 4, an insulating plate 7 is arranged between the thyristor assembly 2 and the elastic pressing plate 4 in the embodiment; the insulating plate 7 is preferably made of plastic material, and can be made of insulating materials such as ceramics in actual operation; further for carrying out effective location to insulation board 7 be equipped with the bellied location arch 71 that makes progress on the insulation board 7, be equipped with on the elastic pressing plate 4 with location protruding 71 complex locating hole 41, fix a position insulation board 7 through location protruding 71 and locating hole 41 cooperation, prevent to take place the skew, increase the stability of structure.
In some embodiments, the elastic pressing plate 4 adopts an arc plate with an upward intrados, when the locking bolt 6 is locked, the periphery of the elastic pressing plate 4 is pressed downwards, so that the middle part of the elastic pressing plate 4 applies pressure to the thyristor assembly 2, the arc plate is preferably a stainless steel plate, and the bottom of the elastic pressing plate 4 is pressed against the thyristor assembly 2.
In order to enhance the fixing effect on the elastic pressing plate 4, in some embodiments, a plurality of bolt through holes are distributed around the elastic pressing plate 4, and the locking bolts 6 pass through the bolt through holes to be matched with corresponding threaded holes on the radiator 3, so that the elastic pressing plate 4 is reliably fixed.
In this embodiment, the heat conducting pad 5 adopts a ceramic plate, and insulates the thyristor assembly 2 from the radiator 3 through the ceramic plate, and simultaneously, heat of the thyristor assembly 2 is conducted to the radiator 3 through the heat conducting property of the ceramic plate.
As shown in fig. 2, the radiator 3 in the present embodiment is an aluminum radiator on which the heat radiating fins 31 are provided, and the surface area can be increased by providing the heat radiating fins 31, thereby improving the heat radiating effect of the radiator 3.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.
Claims (7)
1. A thyristor module comprising a housing (1), a thyristor assembly (2) and a heat sink (3);
the shell (1) is fixed at the upper part of the radiator (3), and the thyristor assembly (2) is arranged in the shell (1);
the heat-conducting plate is characterized by further comprising an elastic pressing plate (4), a heat-conducting base plate (5) and a locking bolt (6) which are arranged in the shell (1);
the elastic pressing plate (4) and the heat conducting base plate (5) are respectively positioned at the upper part and the lower part of the thyristor assembly (2);
an opening (11) is formed in the bottom of the shell (1), the heat conducting base plate (5) is positioned in the opening (11), and the lower surface of the heat conducting base plate is attached to the radiator (3);
the elastic pressing plate (4) is fixedly connected with the radiator (3) through the locking bolt (6), and downward pressing force is applied to the thyristor assembly (2) and the heat conducting base plate (5) by the elastic pressing plate (4).
2. Thyristor module according to claim 1, characterized in that an insulating plate (7) is arranged between the thyristor assembly (2) and the elastic pressure plate (4).
3. Thyristor module according to claim 2, characterized in that the insulating plate (7) is provided with an upwardly protruding positioning protrusion (71), and the elastic pressure plate (4) is provided with a positioning hole (41) cooperating with the positioning protrusion (71).
4. Thyristor module according to claim 1, characterized in that the elastic pressure plate (4) is an arc plate with an inner arc surface facing upwards.
5. The thyristor module according to claim 1, wherein a plurality of bolt through holes are distributed around the elastic pressing plate (4), and the locking bolts (6) pass through the bolt through holes to be matched with corresponding threaded holes on the radiator (3).
6. Thyristor module according to claim 1, characterized in that the heat conducting pad (5) is a ceramic plate.
7. Thyristor module according to claim 1, characterized in that the heat sink (3) is an aluminium heat sink on which heat dissipating fins (31) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322161098.6U CN220510016U (en) | 2023-08-10 | 2023-08-10 | Thyristor module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322161098.6U CN220510016U (en) | 2023-08-10 | 2023-08-10 | Thyristor module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510016U true CN220510016U (en) | 2024-02-20 |
Family
ID=89870565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322161098.6U Active CN220510016U (en) | 2023-08-10 | 2023-08-10 | Thyristor module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510016U (en) |
-
2023
- 2023-08-10 CN CN202322161098.6U patent/CN220510016U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |