A silicon carbide power device terminal structure

Abstract

The utility model discloses a silicon carbide power device terminal structure, including a silicon carbide power device terminal body, wherein a plurality of pins are arranged on the silicon carbide power device terminal body, two side panels are fixedly installed on both sides of the silicon carbide power device terminal body, a side groove is provided on one side of the side panel, a lower positioning groove and an upper positioning groove are respectively provided in the side groove, a slider is movably installed in the side groove, a same protective frame is fixedly installed on the side where the two sliders are away from each other, a movable groove is provided between the slider and the protective frame, a positioning plate is installed in the movable groove through an elastic mechanism, and the utility model protects the pins by providing a protective frame that can be raised and lowered and adjusted outside the silicon carbide power device terminal body, thereby reducing the occurrence of pin breakage on the silicon carbide power device terminal body due to external force, thereby ensuring the normal functionality of the silicon carbide power device terminal body.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon carbide power devices, in particular to a terminal structure of a silicon carbide power device. Background Art

[0002] Silicon carbide (SiC) power devices are a new type of semiconductor devices. Silicon carbide is a semiconductor material with excellent properties such as high thermal conductivity, high breakdown voltage, and high electron mobility. Therefore, it is suitable for manufacturing power devices. Silicon carbide power devices include silicon carbide metal oxide semiconductor field effect transistors (SiC MOSFET), silicon carbide junction barrier Schottky diodes (SiC JBS), silicon carbide Schottky barrier diodes (SiC SBD), etc.

[0003] Existing silicon carbide power devices are usually equipped with multiple pins, but the silicon carbide power devices lack a mechanism to protect the pins. The pins are easily broken due to external forces, which damages the functionality of the silicon carbide power devices. Therefore, we propose a silicon carbide power device terminal structure to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a silicon carbide power device terminal structure for solving the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A silicon carbide power device terminal structure comprises a silicon carbide power device terminal body, the silicon carbide power device terminal body is provided with a plurality of pins, two side panels are fixedly installed on both sides of the silicon carbide power device terminal body, a side groove is provided on one side of the side panel, a lower positioning groove and an upper positioning groove are respectively provided in the side groove, a slider is movably installed in the side groove, a same protective frame is fixedly installed on the side where the two sliders are away from each other, a movable groove is provided between the slider and the protective frame, a positioning plate is installed in the movable groove via an elastic mechanism, the two positioning plates are respectively plugged into the corresponding lower positioning grooves, and a connector mechanism for the elastic mechanism is provided on the slider.

[0007] Preferably, the cross-section of the side groove is arranged in a convex structure, and the sliding block is adapted to the side groove.

[0008] Preferably, the protection frame is provided with a plurality of heat dissipation holes, which are arranged equidistantly to facilitate heat dissipation of the silicon carbide power device terminal body.

[0009] Preferably, the elastic mechanism includes a movable plate and a spring, the movable plate is movably installed in the movable groove, one side of the movable plate is fixedly connected to the positioning plate, one end of the spring is fixedly installed on the other side of the movable plate, and the other end of the spring is fixedly installed on one inner wall of the movable groove, so as to facilitate the movable adjustment of the positioning plate.

[0010] Preferably, the number of the lower positioning grooves and the number of the upper positioning grooves are both set to two, and the calibers of the lower positioning grooves and the upper positioning grooves are consistent, so that the positioning plate can be easily inserted into the lower positioning groove or the upper positioning groove.

[0011] Preferably, the connecting member mechanism includes a connecting plate and a convex plate, a connecting plate is fixedly installed on one side of the movable plate, and a convex plate is fixedly installed on one side of the connecting plate, so that the movable plate can be adjusted by holding the convex plate on one side of the connecting plate.

[0012] Compared with the prior art, the beneficial effect of the utility model is that the terminal structure of the silicon carbide power device protects the pins by arranging a protective frame that can be raised and lowered and adjusted outside the silicon carbide power device terminal body, thereby reducing the occurrence of pin breakage on the silicon carbide power device terminal body due to external force, and ensuring the normal functionality of the silicon carbide power device terminal body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model in a three-dimensional partial cross-section;

[0014] Figure 2 For this utility model Figure 1 The structural diagram of part A in the figure;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model in a partially cutaway view from an expanded perspective;

[0016] Figure 4 For this utility model Figure 3 Schematic diagram of the structure of part B.

[0017] In the figure: 1. Silicon carbide power device terminal body; 2. Pins; 3. Side panel; 4. Side groove; 5. Lower positioning groove; 6. Upper positioning groove; 7. Slider; 8. Protective frame; 9. Movable groove; 10. Movable plate; 11. Spring; 12. Positioning plate; 13. Connecting plate; 14. Convex plate; 15. Heat dissipation hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: Refer to Figure 1-4 A silicon carbide power device terminal structure comprises a silicon carbide power device terminal body 1, a plurality of pins 2 are arranged on the silicon carbide power device terminal body 1, two side plates 3 are fixedly installed on both sides of the silicon carbide power device terminal body 1, a side groove 4 is provided on one side of the side plate 3, a lower positioning groove 5 and an upper positioning groove 6 are respectively provided in the side groove 4, a slider 7 is movably installed in the side groove 4, a same protective frame 8 is fixedly installed on the side where the two sliders 7 are away from each other, a movable groove 9 is provided between the slider 7 and the protective frame 8, a positioning plate 12 is installed in the movable groove 9 through an elastic mechanism, the elastic mechanism comprises a movable plate 10 and a spring 11, and an movable plate 12 is movably installed in the movable groove 9 The movable plate 10 is fixedly connected to the positioning plate 12 on one side of the movable plate 10, and one end of the spring 11 is fixedly installed on the other side of the movable plate 10, and the other end of the spring 11 is fixedly installed on the inner wall of one side of the movable groove 9, so as to facilitate the movable adjustment of the positioning plate 12; the two positioning plates 12 are respectively inserted into the corresponding lower positioning grooves 5, and the slider 7 is provided with a connecting member mechanism for the elastic mechanism, and the connecting member mechanism includes a connecting plate 13 and a convex plate 14, and a connecting plate 13 is fixedly installed on one side of the movable plate 10, and a convex plate 14 is fixedly installed on one side of the connecting plate 13, so as to facilitate the movable adjustment of the movable plate 10 by holding the convex plate 14 on one side of the connecting plate 13.

[0020] Furthermore, the cross section of the side groove 4 is arranged in a convex structure, and the sliding block 7 is adapted to the side groove 4 .

[0021] Furthermore, a plurality of heat dissipation holes 15 are respectively provided on the protection frame 8 , and the plurality of heat dissipation holes 15 are arranged at equal intervals to facilitate heat dissipation of the silicon carbide power device terminal body 1 .

[0022] Furthermore, the number of the lower positioning grooves 5 and the number of the upper positioning grooves 6 are both set to two, and the calibers of the lower positioning grooves 5 and the upper positioning grooves 6 are consistent, so that the positioning plate 12 can be easily inserted into the lower positioning grooves 5 or the upper positioning grooves 6 .

[0023] When in use: by adjusting the two convex plates 14 at the same time and pushing the two connecting plates 13 to move forward, the two movable plates 10 are respectively slid in the corresponding movable grooves 9, so that the two springs 11 are deformed and compressed by force, and at this time, the two positioning plates 12 are driven to disengage from the corresponding lower positioning grooves 5 and are respectively recovered into the corresponding sliders 7, and then, the protective frame 8 is adjusted upward, so that the two sliders 7 are respectively moved upward in the corresponding side grooves 4 until the two sliders 7 are respectively against the top inner walls of the two side grooves 4, and then the two connecting plates 13 are loosened, and the two positioning plates 12 are respectively inserted into the corresponding upper positioning grooves 6 under the elastic force of the two springs 11, so as to realize the position limit fixing of the protective frame 8 after the rise, and the pin 2 is protected by providing a protective frame 8 that can be lifted and lowered outside the silicon carbide power device terminal body 1, so as to reduce the pin 2 on the silicon carbide power device terminal body 1. The pin 2 is broken due to external force, which ensures the normal functionality of the silicon carbide power device terminal body 1.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A silicon carbide power device terminal structure, comprising a silicon carbide power device terminal body (1), characterized in that: A plurality of pins (2) are arranged on the silicon carbide power device terminal body (1), two side panels (3) are fixedly installed on both sides of the silicon carbide power device terminal body (1), a side groove (4) is provided on one side of the side panel (3), a lower positioning groove (5) and an upper positioning groove (6) are respectively provided in the side groove (4), a slider (7) is movably installed in the side groove (4), a same protective frame (8) is fixedly installed on the side away from each other of the two sliders (7), a movable groove (9) is provided between the slider (7) and the protective frame (8), a positioning plate (12) is installed in the movable groove (9) via an elastic mechanism, the two positioning plates (12) are respectively plugged into the corresponding lower positioning grooves (5), and a connector mechanism for the elastic mechanism is provided on the slider (7).

2. A silicon carbide power device terminal structure according to claim 1, characterized in that: The cross section of the side groove (4) is arranged in a convex structure, and the sliding block (7) is adapted to the side groove (4).

3. A silicon carbide power device terminal structure according to claim 1, characterized in that: The protection frame (8) is respectively provided with a plurality of heat dissipation holes (15), and the plurality of heat dissipation holes (15) are arranged at equal intervals.

4. A silicon carbide power device terminal structure according to claim 1, characterized in that: The elastic mechanism comprises a movable plate (10) and a spring (11); the movable plate (10) is movably mounted in the movable groove (9); one side of the movable plate (10) is fixedly connected to the positioning plate (12); one end of the spring (11) is fixedly mounted on the other side of the movable plate (10); and the other end of the spring (11) is fixedly mounted on an inner wall of one side of the movable groove (9).

5. A silicon carbide power device terminal structure according to claim 1, characterized in that: The number of the lower positioning groove (5) and the number of the upper positioning groove (6) are both set to two, and the caliber of the lower positioning groove (5) and the caliber of the upper positioning groove (6) are consistent.

6. A silicon carbide power device terminal structure according to claim 4, characterized in that: The connecting member mechanism comprises a connecting plate (13) and a convex plate (14); the connecting plate (13) is fixedly mounted on one side of the movable plate (10); and the convex plate (14) is fixedly mounted on one side of the connecting plate (13).

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