CN219419007U - Transistor mounting fixture, heat dissipation structure and electronic product - Google Patents
Transistor mounting fixture, heat dissipation structure and electronic product Download PDFInfo
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- CN219419007U CN219419007U CN202223506912.5U CN202223506912U CN219419007U CN 219419007 U CN219419007 U CN 219419007U CN 202223506912 U CN202223506912 U CN 202223506912U CN 219419007 U CN219419007 U CN 219419007U
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- transistor
- cover body
- radiator
- mounting fixture
- elastic sheet
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Abstract
The utility model discloses a transistor mounting fixing piece, a heat dissipation structure and an electronic product. The transistor mounting fixture includes: the transistor cover body is provided with an inner cavity, and the elastic sheet is arranged in the inner cavity of the transistor cover body, the transistor is arranged on the back surface of the transistor cover body, the front surface of the transistor cover body is provided with a PCB, one side of the transistor, which is far away from the back surface of the transistor cover body, is provided with a radiator, and the radiator is connected with the transistor and the radiator by penetrating through the transistor cover body and the elastic sheet through a connecting piece. The utility model eliminates the influence of heat expansion and cold contraction of the transistor by utilizing the deformation space of the elastic sheet, avoids hidden danger caused by loosening of the transistor, improves the heat dissipation stability of the transistor, and simultaneously, effectively connects and fixes the transistor, the PCB and the radiator through the connecting piece and the transistor cover main body, ensures the assembly reliability of the transistor, the PCB, the radiator and other elements, thereby improving the reliability of electronic products.
Description
Technical Field
The present utility model relates to electronic devices, and particularly to a transistor mounting fixture, a heat dissipating structure, and an electronic device.
Background
In electronic products, the transistor is used as a core element, and the temperature of the transistor is raised to be very high during operation, so that corresponding heat dissipation and fixing measures are very important. When the transistor works, the transistor needs to be tightly attached to the radiator, so that the heat exchange efficiency between the surface of the transistor and the radiator is increased, and the transistor is prevented from being exploded and disabled due to severe temperature rise.
At present, the fixed structure of the transistor is usually single, or the transistor and the radiator cannot be tightly attached for a long time, so that the radiating effect is poor, or the assembly reliability of the transistor, the PCB, the radiator and other elements cannot be guaranteed.
Therefore, the existing transistor fixing scheme cannot meet the practical application.
Disclosure of Invention
The utility model mainly aims to provide a transistor mounting fixing piece, a heat dissipation structure and an electronic product, so as to improve the heat dissipation effect and the assembly reliability of the transistor and further improve the reliability of the electronic product.
To achieve the above object, the present utility model provides a transistor mounting fixture comprising: the transistor cover comprises a transistor cover body with an inner cavity and an elastic sheet, wherein the elastic sheet is arranged in the inner cavity of the transistor cover body, a transistor is arranged on the back surface of the transistor cover body, a PCB (printed circuit board) is arranged on the front surface of the transistor cover body, a radiator is arranged on one side, far away from the back surface of the transistor cover body, of the transistor, and the transistor passes through the transistor cover body and the elastic sheet through a connecting piece to be connected with the radiator, so that the transistor is fixedly connected with the radiator.
Wherein the transistor mounting fixture further comprises: and the elastic sheet baffle plate is arranged in the inner cavity of the transistor cover main body and used for limiting the elastic sheet.
Wherein, a side surface of the transistor cover main body is provided with an opening for placing the spring plate and the spring plate baffle plate.
The front face of the transistor cover main body is provided with a guide post for installing and positioning the PCB, and the top of the guide post is provided with a first buckle for preventing the transistor cover main body from falling off.
Wherein a side portion of the back surface of the transistor cover body is provided with a second clip for positioning the transistor.
The first buckle is round, and the second buckle is provided with a protruding structure inwards towards the transistor installation area.
Wherein, the bottom of the back of the transistor cover main body is provided with a convex hull structure protruding towards the transistor.
An insulating gasket is arranged between the transistor and the radiator; the back of the transistor cover body is also provided with a spacer for spacing pins of the transistor.
The utility model also provides a transistor heat dissipation structure, which comprises: the transistor is fixedly connected with the radiator through the transistor mounting fixing piece.
The utility model also provides an electronic product, which comprises: the transistor, PCB board, radiator and as above transistor installation mounting, PCB board and radiator are installed respectively the upper and lower both sides of transistor, and through transistor installation mounting with transistor fixed connection.
The transistor mounting fixture provided by the utility model comprises: the transistor cover comprises a transistor cover body with an inner cavity and an elastic sheet, wherein the elastic sheet is arranged in the inner cavity of the transistor cover body, a transistor is arranged on the back surface of the transistor cover body, a PCB (printed circuit board) is arranged on the front surface of the transistor cover body, a radiator is arranged on one side, far away from the back surface of the transistor cover body, of the transistor, and the transistor passes through the transistor cover body and the elastic sheet through a connecting piece to be connected with the radiator, so that the transistor is fixedly connected with the radiator. According to the transistor mounting fixing piece, the transistor and the radiator are tightly attached through the elastic sheet arranged in the transistor cover main body, the influence of thermal expansion and contraction of the transistor is eliminated by utilizing the deformation space of the elastic sheet, hidden danger caused by loosening of the transistor is avoided, the heat dissipation stability and reliability of the transistor are improved, meanwhile, the transistor, the PCB and the radiator are effectively connected and fixed through the connecting piece and the transistor cover main body, the assembly reliability of the transistor, the PCB, the radiator and other elements is guaranteed, and therefore the reliability of an electronic product is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of a transistor mounting fixture of the present utility model.
Fig. 2 is a cross-sectional view of a transistor mounting fixture of the present utility model.
Fig. 3 is a schematic view of a rear perspective structure of a transistor mounting fixture according to the present utility model.
Fig. 4 is a schematic front perspective view of a transistor mounting fixture according to the present utility model.
Fig. 5 is a cross-sectional view of a transistor mounting fixture mounting transistor of the present utility model.
Fig. 6 is a top view of a transistor mounting fixture mounting PCB board of the present utility model.
Fig. 7 is a schematic view showing a partial perspective structure of a transistor, a PCB board and a heat sink mounted on a transistor mounting fixture according to the present utility model.
Fig. 8 is a cross-sectional view of a transistor mounting fixture mounting transistor, PCB board and heat sink of the present utility model.
Reference numerals illustrate:
| transistor mounting fixture | 1 | Transistor cap body | 11 |
| Spring plate | 12 | Spring plate baffle | 13 |
| An opening | 14 | Guide post | 15 |
| First fastener | 16 | Second fastener | 17 |
| Convex hull structure | 18 | Transistor with a high-voltage power supply | 2 |
| Radiator | 3 | PCB (printed circuit board) | 4 |
| Connecting piece | 5 | Partition board | 6 |
| Insulating gasket | 7 |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 8, the present utility model proposes a transistor mounting fixture 1, the transistor mounting fixture 1 comprising: the transistor cover comprises a transistor cover body 11 with an inner cavity and a spring piece 12, wherein the spring piece 12 is arranged in the inner cavity of the transistor cover body 11, the transistor 2 is arranged on the back surface of the transistor cover body 11, the front surface of the transistor cover body 11 is provided with a PCB 4, one side of the transistor 2 far away from the back surface of the transistor cover body 11 is provided with a radiator 3, and the radiator 3 is connected through a connecting piece 5 penetrating through the transistor cover body 11 and the spring piece 12, so that the transistor 2 is fixedly connected with the radiator 3.
The elastic sheet 12 can prevent the connecting piece 5 from loosening, and the elastic sheet 12 can eliminate the influence caused by thermal expansion and cold contraction of the transistor 2 through deformation after locking, so that the transistor 2 is prevented from loosening.
According to the transistor mounting fixing piece 1, the transistor 2 and the radiator 3 are tightly attached through the elastic sheet 12 arranged in the transistor cover main body 11, the influence of heat expansion and cold contraction of the transistor 2 is eliminated by utilizing the deformation space of the elastic sheet 12, hidden danger caused by looseness of the transistor 2 is avoided, the heat dissipation stability and reliability of the transistor 2 are improved, meanwhile, the transistor 2, the PCB 4 and the radiator 3 are effectively connected and fixed through the connecting piece 5 and the transistor cover main body 11, and the assembly reliability of the transistor 2, the PCB 4, the radiator 3 and other elements is guaranteed, so that the reliability of an electronic product is improved.
Specifically, the transistor 2 may be an electronic component such as IBGT.
The transistor cover body 11 may be made of plastic, the spring 12 may be a manganese steel spring, and the connecting member 5 may be a screw, a bolt, or the like.
Further, the transistor mounting fixture 1 may further include: and a spring plate baffle 13 which is arranged in the inner cavity of the transistor cover main body 11 and used for limiting the spring plate 12.
The spring plate baffle 13 can prevent the spring plate 12 from falling out and limit the movable space of the spring plate 12, so that the screw can normally pass through the spring plate 12.
Wherein, an opening 14 for placing the spring plate 12 and the spring plate baffle 13 is provided on one side of the transistor cover body 11.
Further, a guiding post 15 for installing and positioning the PCB board 4 is provided on the front surface of the transistor cover main body 11, and a first buckle 16 for preventing the transistor cover main body 11 from falling off is provided on the top of the guiding post 15.
Wherein, be equipped with the screw hole on the radiator 3, guide post 15 is equipped with the center round hole, and shell fragment 12 corresponds and is equipped with the through-hole, and the connecting piece 5 of being convenient for passes this center round hole, through-hole on the shell fragment 12 and the screw hole locking on the radiator 3, and then through connecting piece 5 and transistor lid main part 11, with effective fixed connection of transistor 2, PCB board 4 and radiator 3.
The PCB 4 is provided with a positioning hole for the guide post 15 to pass through to install the PCB 4.
Wherein the side of the back side of the transistor cover body 11 is provided with a second catch 17 for positioning the transistor 2.
Wherein the first catch 16 is circular and the second catch 17 is provided with a protruding structure inwards towards the mounting area of the transistor 2. When the transistor 2 is mounted, the second buckle 17 is pressed and deformed outwards, and at the same time, the second buckle 17 presses the transistor 2, so that the fixing effect is achieved, and the structure is shown in fig. 5.
Further, the bottom of the back surface of the transistor cover body 11 is provided with a convex hull structure 18 protruding towards the transistor 2. The convex hull structure 18 can concentrate stress on the center of the transistor 2, change the stress point from the surface to the line, and avoid hidden trouble caused by uneven contact surface, as shown in fig. 5.
Further, an insulating spacer 7 is arranged between the transistor 2 and the radiator 3; the back side of the transistor cover body 11 is also provided with a spacer plate 6 for spacing the pins of the transistor 2. The spacer 6 separates the pins of the transistor 2 and prevents solder sticking, as shown with reference to fig. 3.
The principle of the transistor mounting fixture 1 of the present utility model for assembling the transistor 2 is as follows:
the mounting fixture 1 is used to mount and connect the PCB 4, the transistor 2, the heat sink 3, and the like. Wherein: the transistor 2 is firstly mounted on the back surface of the transistor cover main body 11 (firmly fixed through the second buckle 17), then the mounted transistor component (namely, the component formed after the transistor cover main body 11 is assembled with the transistor 2) is assembled with the PCB board 4, specifically, the front guide post 15 of the transistor cover main body 11 passes through the positioning hole on the PCB board 4 to be fixed (the positioning is accurate through the guide post 15, the top circular first buckle 16 can prevent the transistor 2 component from falling off), finally, the mounted PCB component (namely, the component formed after the transistor cover main body 11 is assembled with the transistor 2 and the PCB board 4) is mounted on the radiator 3, the transistor cover main body 11 is fixedly locked through the connecting piece 5 (for example, a screw) which sequentially passes through the central round hole and the elastic piece 12 on the transistor cover main body 11 and is locked through the threaded hole on the radiator 3, and the assembled structure can be shown by referring to fig. 7 and 8.
Wherein, the first buckle 16 can prevent the transistor component from falling off; the first buckle 16 is of an elastic structure, when the transistor component is installed, the first buckle 16 can be deformed inwards through the PCB 4 by slight force, and meanwhile, the deformation of the first buckle 16 can be recovered, so that the transistor component is limited to fall down, and falling is prevented.
The second buckle 17 can enable the transistor 2 to be firmly installed, and the risk of falling off is avoided when the PCB 4 is installed in a turnover mode; the second buckle 17 has a protruding structure inwards towards the mounting area of the transistor 2, when the transistor 2 is mounted, the second buckle 17 is extruded outwards to deform, and meanwhile, the second buckle 17 presses the transistor 2, so that the fixing effect is achieved, and the structure is shown with reference to fig. 5. The spacer 6 separates the pins of the transistor 2 and prevents solder sticking, as shown with reference to fig. 3.
The convex hull structure 18 at the bottom of the transistor cover body 11 can concentrate the stress on the center of the transistor 2, and change the stress point from the surface to the line, so as to avoid the hidden trouble caused by uneven contact surface, as shown in fig. 5.
In addition, the utility model also provides a heat dissipation structure of the transistor 2, wherein the heat dissipation structure of the transistor 2 comprises: the transistor 2 is fixedly connected with the radiator 3 through the transistor mounting fixture 1, and the radiator 3 and the transistor mounting fixture 1 are described above.
The utility model also provides an electronic product, which comprises: the transistor comprises a transistor 2, a PCB 4, a radiator 3 and the transistor mounting fixture 1, wherein the PCB 4 and the radiator 3 are respectively arranged on two sides of the transistor 2 and are fixedly connected with the transistor 2 through the transistor mounting fixture 1.
The transistor mounting fixture 1 proposed by the present utility model includes: the transistor cover comprises a transistor cover body 11 with an inner cavity and a spring piece 12, wherein the spring piece 12 is arranged in the inner cavity of the transistor cover body 11, the transistor 2 is arranged on the back surface of the transistor cover body 11, the front surface of the transistor cover body 11 is provided with a PCB 4, one side of the transistor 2 far away from the back surface of the transistor cover body 11 is provided with a radiator 3, and the radiator 3 is connected through a connecting piece 5 penetrating through the transistor cover body 11 and the spring piece 12, so that the transistor 2 is fixedly connected with the radiator 3. According to the transistor mounting fixing piece 1, the transistor 2 and the radiator 3 are tightly attached through the elastic sheet 12 arranged in the transistor cover main body 11, the influence of heat expansion and cold contraction of the transistor 2 is eliminated by utilizing the deformation space of the elastic sheet 12, hidden danger caused by looseness of the transistor 2 is avoided, the heat dissipation stability and reliability of the transistor 2 are improved, meanwhile, the transistor 2, the PCB 4 and the radiator 3 are effectively connected and fixed through the connecting piece 5 and the transistor cover main body 11, and the assembly reliability of the transistor 2, the PCB 4, the radiator 3 and other elements is guaranteed, so that the reliability of an electronic product is improved.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A transistor mounting fixture, the transistor mounting fixture comprising: the transistor cover comprises a transistor cover body with an inner cavity and an elastic sheet, wherein the elastic sheet is arranged in the inner cavity of the transistor cover body, a transistor is arranged on the back surface of the transistor cover body, a PCB (printed circuit board) is arranged on the front surface of the transistor cover body, a radiator is arranged on one side, far away from the back surface of the transistor cover body, of the transistor, and the transistor passes through the transistor cover body and the elastic sheet through a connecting piece to be connected with the radiator, so that the transistor is fixedly connected with the radiator.
2. The transistor mounting fixture of claim 1, wherein the transistor mounting fixture further comprises: and the elastic sheet baffle plate is arranged in the inner cavity of the transistor cover main body and used for limiting the elastic sheet.
3. The transistor mounting fixture of claim 2, wherein a side of the transistor cover body is provided with openings for receiving the clips and clip baffles.
4. The transistor mounting fixture of claim 1, wherein the front face of the transistor cover body is provided with a guide post for mounting and positioning the PCB, and a first buckle for preventing the transistor cover body from falling off is provided on the top of the guide post.
5. The transistor mounting fixture of claim 4, wherein a side of the back side of the transistor cover body is provided with a second catch for positioning the transistor.
6. The transistor mounting fixture of claim 5, wherein the first clasp is circular and the second clasp is provided with a projection structure inwardly of the transistor mounting area.
7. The transistor mounting fixture of claim 5, wherein the bottom of the back side of the transistor cover body is provided with a convex hull structure protruding toward the transistor.
8. The transistor mounting fixture of any one of claims 1-7, wherein an insulating spacer is disposed between the transistor and the heat sink; the back of the transistor cover body is also provided with a spacer for spacing pins of the transistor.
9. A transistor heat sink structure, the transistor heat sink structure comprising: a heat sink and a transistor mounting fixture as claimed in any one of claims 1 to 8, the transistor being fixedly connected to the heat sink by the transistor mounting fixture.
10. An electronic product, characterized in that the electronic product comprises: transistor, PCB board, radiator, and the transistor installation mounting of any one of claims 1-8, PCB board and radiator are installed respectively in the upper and lower both sides of transistor, and pass through transistor installation mounting with transistor fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223506912.5U CN219419007U (en) | 2022-12-27 | 2022-12-27 | Transistor mounting fixture, heat dissipation structure and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223506912.5U CN219419007U (en) | 2022-12-27 | 2022-12-27 | Transistor mounting fixture, heat dissipation structure and electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219419007U true CN219419007U (en) | 2023-07-25 |
Family
ID=87229972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223506912.5U Active CN219419007U (en) | 2022-12-27 | 2022-12-27 | Transistor mounting fixture, heat dissipation structure and electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219419007U (en) |
-
2022
- 2022-12-27 CN CN202223506912.5U patent/CN219419007U/en active Active
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| GR01 | Patent grant |