CN215069930U

CN215069930U - Silicon carbide structure barrier Schottky diode

Info

Publication number: CN215069930U
Application number: CN202121530481.9U
Authority: CN
Inventors: 张涵; 张昌利; 金镇亨
Original assignee: Weixing International Semiconductor Shenzhen Co ltd
Current assignee: Weixing International Semiconductor Shenzhen Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-07
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a silicon carbide structure barrier Schottky diode, which comprises a shell arranged outside and a metal contact pin used for connection, and also comprises an extension part and a connecting mechanism, wherein the top end of the shell is provided with the extension part, both sides of the shell are provided with the connecting mechanism, the connecting mechanism comprises a fixture block, a connecting lug, a screw rod, a connecting rod, an installation block, a fixing bolt, a first threaded hole, a second threaded hole, a clamping groove, a spring, a limiting block and an arc part, both sides of one end of the fixture block are provided with the connecting lug, the screw rod is screwed on the connecting lug, the outside of the fixture block is provided with the connecting rod, the bottom end of the connecting rod is provided with the installation block, the fixing bolt is screwed on the installation block, the middle part of the inner side of the fixture block is provided with the clamping groove, two side walls of the clamping groove are provided with a plurality of springs, one end of the spring is provided with the limiting block, the utility model has novel structure and ingenious design, and can limit and protect the metal contact pin on the shell, the service life of the metal contact pin on the shell is prolonged.

Description

Silicon carbide structure barrier Schottky diode

Technical Field

The utility model relates to a diode specifically is a carborundum structure builds schottky diode.

Background

The silicon carbide (SiC) Schottky diode belongs to a multi-photon conductive device, and is different from a silicon Pin diode in the conductance modulation effect when the silicon Pin diode is conducted in the forward direction, and non-equilibrium minority carriers do not participate in the conduction in a drift region of the SiC Schottky diode. Therefore, the reverse recovery speed of the SiC Schottky diode is high, the reverse recovery charge is extremely small and is about 10% or less of that of a silicon Pin diode of the same grade, and correspondingly, the loss caused by the reverse recovery when the SiC Schottky diode is applied to a circuit is also reduced to 10% or less.

After the existing silicon carbide structure barrier Schottky diode is installed, the metal contact is easy to damage when the whole structure is touched, the service life of the metal contact is shortened, and the use is not facilitated.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a carborundum structure ramparts schottky diode, effectual solved current carborundum structure ramparts schottky diode after the installation, the metal contact is fragile when whole structure is touched, has reduced metal contact's life, is unfavorable for the problem of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a casing that outside set up and be used for the metal contact pilotage of connection, still include extension and coupling mechanism, the top of casing is provided with the extension, the both sides of casing all are provided with coupling mechanism, coupling mechanism includes the fixture block, the engaging lug, the screw rod, the connecting rod, the installation piece, fixing bolt, first screw hole, the second screw hole, the draw-in groove, a spring, stopper and arc portion, the both sides of fixture block one end all are provided with the engaging lug, the engaging lug top spin has connect the screw rod, the outside of fixture block is provided with the connecting rod, the bottom of connecting rod is provided with the installation piece, the top spin of installation piece has connected fixing bolt, the draw-in groove has been seted up at the inboard middle part of fixture block, the both sides wall department of draw-in groove is provided with a plurality of spring, the one end of spring is provided with the stopper.

Preferably, a first threaded hole is formed in the position, corresponding to the screw, of the connecting lug.

Preferably, a second threaded hole is formed in the position, corresponding to the fixing bolt, of the mounting block.

Preferably, one end of the limiting block is provided with an arc-shaped part.

Preferably, the number of the springs is five.

Preferably, the limiting block is provided with anti-skid grains.

Has the advantages that: when the utility model is installed, the metal contact pin on the shell is installed at the position to be installed, the clamping groove on the clamping block corresponds to the shell, the shell slides into the limiting block from the position of the arc part, the limiting block overcomes the elastic force of the spring to move, after the clamping of the two clamping blocks is completed, the screw rod is screwed in the first threaded hole arranged on the connecting lug, the two clamping blocks are connected and fixed through the screw, the mounting block is placed on the mounting surface and fixed through the fixing bolt, after the fixing is finished, the arranged clamping blocks, the connecting rod and the mounting block can limit the shell to a certain extent, can prevent the metal contact pin on the shell from being damaged when the shell is touched or shaken, can prolong the service life of the metal contact pin on the shell, has novel structure and ingenious conception, can carry out spacing protection to the metal contact pilotage on the casing, improve the life of the metal contact pilotage on the casing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the fixture block of the present invention;

FIG. 3 is a schematic diagram of the structure of A in FIG. 2 according to the present invention;

reference numbers in the figures: 1. a housing; 2. a metal contact pin; 3. an extension portion; 4. a connecting mechanism; 5. a clamping block; 6. connecting lugs; 7. a screw; 8. a connecting rod; 9. mounting blocks; 10. fixing the bolt; 11. a first threaded hole; 12. a second threaded hole; 13. a card slot; 14. a spring; 15. a limiting block; 16. an arc-shaped portion.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

In the first embodiment, as shown in fig. 1-3, the present invention provides a silicon carbide structure barrier schottky diode, which comprises a casing 1 disposed outside and a metal contact pin 2 for connection, and further comprises an extension portion 3 and a connection mechanism 4, wherein the top end of the casing 1 is provided with the extension portion 3, the two sides of the casing 1 are both provided with the connection mechanism 4, the connection mechanism 4 comprises a fixture block 5, a connection lug 6, a screw 7, a connection rod 8, an installation block 9, a fixing bolt 10, a first threaded hole 11, a second threaded hole 12, a clamping groove 13, a spring 14, a stopper 15 and an arc portion 16, the two sides of one end of the fixture block 5 are both provided with the connection lug 6, the screw 7 is screwed on the connection lug 6, the outside of the fixture block 5 is provided with the connection rod 8, the bottom end of the connection rod 8 is provided with the installation block 9, the installation block 9 is screwed with the fixing bolt 10, the middle portion of the inner side of the fixture block 5 is provided with the clamping groove 13, the two side walls of the clamping groove 13 are provided with a plurality of springs 14, one end of each spring 14 is provided with a limiting block 15, when the metal contact pin fixing device is installed, the metal contact pin 2 on the shell 1 is installed at a position needing to be installed, the clamping groove 13 on the clamping block 5 corresponds to the shell 1, the shell 1 slides into the limiting block 15 from the position of the arc-shaped part 16, the limiting block 15 overcomes the elasticity of the spring 14 to move, after the two clamping blocks 5 are clamped, the screw 7 is screwed in the first threaded hole 11 formed in the connecting lug 6, the two clamping blocks 5 are connected and fixed through the screw 7, the installation block 9 is placed on the installation surface and fixed through the fixing bolt 10, after the fixation is completed, the arranged clamping block 5, the connecting rod 8 and the installation block 9 can limit the shell 1 to a certain extent, when the shell 1 is touched or shaken can be avoided, the metal contact pin 2 on the shell 1 is damaged, the service life of the metal contact pin 2 on the shell 1 can be prolonged, the utility model discloses novel structure thinks about ingeniously, can carry out spacing protection to metal contact pilotage 2 on the casing 1, improves metal contact pilotage 2's on the casing 1 life.

Example two

Referring to fig. 1, as another preferred embodiment, the fixture block 5 in the first embodiment is inconvenient to fix, and as a difference between the first preferred embodiment and the first embodiment, a first threaded hole 11 is formed at a position of the connecting lug 6 corresponding to the screw 7, so as to facilitate fixing of the fixture block 5.

EXAMPLE III

Referring to fig. 1 and 2, as another preferred embodiment, the first embodiment is different from the first embodiment in that a second threaded hole 12 is formed in the position of the mounting block 9 corresponding to the fixing bolt 10, so as to facilitate fixing of the mounting block 9.

Example four

Referring to fig. 2 and 3, as another preferred embodiment, the difference between the first embodiment and the second embodiment is that an arc-shaped portion 16 is disposed at one end of the stopper 15, so as to facilitate the connection and fixation between the stopper 15 and the housing 1.

EXAMPLE five

In the first embodiment, the limiting block 15 is not convenient to be clamped, and referring to fig. 2 and fig. 3, as another preferred embodiment, the difference from the first embodiment is that the number of the springs 14 is five.

EXAMPLE six

Easy slip behind the stopper 15 joint in the embodiment one, as another preferred embodiment, as the difference of embodiment one, has seted up anti-skidding line on the stopper 15 for difficult slip behind the stopper 15 joint.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A silicon carbide structure barrier Schottky diode comprises an externally arranged shell (1) and a metal contact pin (2) for connection, and is characterized in that: the clamping device is characterized by further comprising an extension part (3) and a connecting mechanism (4), the extension part (3) is arranged at the top end of the shell (1), the connecting mechanism (4) is arranged on each of two sides of the shell (1), the connecting mechanism (4) comprises a clamping block (5), a connecting lug (6), a screw rod (7), a connecting rod (8), a mounting block (9), a fixing bolt (10), a first threaded hole (11), a second threaded hole (12), a clamping groove (13), a spring (14), a limiting block (15) and an arc-shaped part (16), the connecting lugs (6) are arranged on two sides of one end of the clamping block (5), the screw rod (7) is in rotational connection with the connecting lugs (6), the connecting rod (8) is arranged on the outer side of the clamping block (5), the mounting block (9) is arranged at the bottom end of the connecting rod (8), the fixing bolt (10) is in rotational connection with the mounting block (9), the clamping groove (13) is formed in the middle of the inner side of the clamping block (5), a plurality of springs (14) are arranged on two side walls of the clamping groove (13), and a limiting block (15) is arranged at one end of each spring (14).

2. The silicon carbide structure ramsbotty diode according to claim 1, wherein the connecting lug (6) is provided with a first threaded hole (11) at a position corresponding to the screw (7).

3. The silicon carbide structure ramsbotty diode as claimed in claim 1, wherein the mounting block (9) has a second threaded hole (12) at a position corresponding to the fixing bolt (10).

4. The silicon carbide structure ramsbotty diode according to claim 1, wherein an arc-shaped portion (16) is provided at one end of the stopper (15).

5. A silicon carbide structure barrier schottky diode according to claim 1, wherein said springs (14) are provided in a number of five.

6. The silicon carbide structure ramsbotty diode of claim 1, wherein the limiting block (15) is provided with anti-slip lines.