CN218513444U

CN218513444U - Semiconductor power device terminal protection structure

Info

Publication number: CN218513444U
Application number: CN202222755049.0U
Authority: CN
Inventors: 吴银惠; 苏雷雷; 吴怀荣
Original assignee: Shenzhen Verdewell Technology Ltd
Current assignee: Shenzhen Verdewell Technology Ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-02-21
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a semiconductor power device terminal protection architecture, including the semiconductor power device body, the terminal protection bottom plate, the fixed frame of protection and protection rack, the symmetry equidistance is equipped with spacing on the both sides casing of semiconductor power device body, the welding of symmetry equidistance has the pin on the both sides casing of semiconductor power device body, and the pin runs through to be fixed inside spacing, terminal protection bottom plate upper surface and the welding of pin bottom surface, the fixed frame of protection and terminal protection bottom plate four sides fixed connection, the number of protection rack is two, and two protection racks slide and cup joint in the fixed frame both sides of protection, two protection racks are close to the pin outer wall simultaneously, solved current semiconductor power device when putting into use, because the terminal of whole semiconductor power device is exposed outside space, lead to the terminal damage of semiconductor power device easily, just so reduced the problem of protectiveness.

Description

Semiconductor power device terminal protection structure

Technical Field

The utility model belongs to the technical field of the semiconductor is relevant, concretely relates to semiconductor power device terminal protection architecture.

Background

Semiconductor power devices, also called power electronic devices, have two operating characteristics of conduction and blocking, and the principle is as follows: controlling the on and off of the power semiconductor device by controlling a gate signal; the semi-control device can only control the on and not control the off, and the fully-control device can control the on and off.

When the existing semiconductor power device is put into use, the terminal of the whole semiconductor power device is exposed in the external space, so that the terminal of the semiconductor power device is easily damaged, and the protection performance is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a semiconductor power device terminal protection architecture to solve the reduction that provides in the above-mentioned background art and protected the problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a semiconductor power device terminal protection architecture, includes semiconductor power device body, terminal protection bottom plate, the fixed frame of protection and protection rack, the symmetry equidistance is equipped with spacing on the both sides casing of semiconductor power device body, the welding of symmetry equidistance has the pin on the both sides casing of semiconductor power device body, and the pin runs through to be fixed inside spacing, terminal protection bottom plate upper surface and pin bottom surface welding, the fixed frame of protection and terminal protection bottom plate four sides fixed connection, the number of protection rack is two, and two protection racks slide to cup joint in the fixed frame both sides of protection, and two protection racks are close to the pin outer wall simultaneously.

As preferred technical scheme, the protection rack includes heat dissipation protection network and second mount, second mount upside inner wall fixedly connected with heat dissipation protection network, the spacing round bar of both sides outer wall fixedly connected with around the second mount, the spherical groove of opening has been seted up to second mount lower extreme both sides, the inside circular arc supporting shoe that is equipped with of the spherical groove of opening, be equipped with expanding spring between circular arc supporting shoe outer wall and the spherical groove of opening upside inner wall, the inside ball that has cup jointed that runs through of the spherical groove of opening downside, and ball outer wall and the contact of circular arc supporting shoe inner wall.

As a preferred technical scheme, the protective fixing frame comprises fixing slots and a first fixing frame, four groups of fixing slots are arranged on the front side and the rear side of the upper end of the first fixing frame, four fixing slots are provided with first positioning clamping grooves towards one side of the outer end, and four fixing slots are provided with second positioning clamping grooves towards the other side of the outer end.

As a preferable technical scheme, the pin further comprises a fixing hole formed in the bottom of the pin.

As preferred technical scheme, spacing outwards the end seted up a plurality of notch font fixed slots that are used for fixed pin, spacing outer wall scribbles insulating anti-oxidation paint layer structure.

According to the preferable technical scheme, the lower end of the semiconductor power device body is provided with a plurality of open grooves used for heat dissipation, and the outer wall of the semiconductor power device body is coated with an insulating oxidation-resistant paint layer structure.

Compared with the prior art, the utility model provides a semiconductor power device terminal protection architecture possesses following beneficial effect:

1. the utility model discloses a spacing round bar in the protection rack respectively with first positioning slot and the second positioning slot sliding connection in the fixed frame of protection, will make protection rack and the fixed frame sliding connection of protection, simultaneously through expanding spring's flexible, will drive the ball and carry out the elevating work, thereby make spacing round bar carry out the joint work with first positioning slot and second positioning slot respectively, just so make second mount and the heat dissipation protection network in the protection rack can protect the work to the welding end of pin and the terminal of terminal protection bottom plate better, it improves its protectiveness to have reached, and also can carry out radiating beneficial effect better, solved current semiconductor power device when coming into operation, because the terminal of whole semiconductor power device is exposed outside space, lead to semiconductor power device's terminal to damage easily, just so reduced the problem of protectiveness.

2. The utility model discloses a spacing round bar slides in first positioning slot and second positioning slot respectively to and spacing round bar and the separation of second positioning slot, just can conveniently protect the rack and rotate the expansion work, reached and made things convenient for the staff to carry out weldment work's beneficial effect to the pin.

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, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic diagram of a terminal protection structure of a semiconductor power device according to the present invention;

fig. 2 is a schematic diagram of a display structure of a semiconductor power device according to the present invention;

fig. 3 is a schematic structural view of the protective fixing frame provided by the present invention;

fig. 4 is a schematic view of the protective grid structure provided by the present invention;

fig. 5 is a front view anatomical structure diagram of the protective net rack provided by the utility model;

fig. 6 is a schematic structural diagram of a portion a of fig. 5 according to the present invention.

In the figure: 1. a semiconductor power device body; 2. a protective fixed frame; 21. fixing the slot; 22. a first fixing frame; 23. a first positioning clamping groove; 24. a second positioning slot; 3. a protective net frame; 31. a heat dissipation protective net; 32. a second fixing frame; 33. a limiting round rod; 34. a ball bearing; 35. an open spherical groove; 36. a circular arc supporting block; 37. a tension spring; 4. a pin; 41. a fixing hole; 5. a limiting strip; 6. the terminal protects the bottom plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a semiconductor power device terminal protection structure, including semiconductor power device body 1, terminal protection bottom plate 6, protection fixed frame 2 and protection rack 3, the symmetry equidistance is equipped with spacing 5 on the casing of the both sides of semiconductor power device body 1, the symmetry equidistance welding has pin 4 on the casing of the both sides of semiconductor power device body 1, and pin 4 runs through to be fixed inside spacing 5, terminal protection bottom plate 6 upper surface and pin 4 bottom surface welding, protection fixed frame 2 and terminal protection bottom plate 6 four sides fixed connection, the number of protection rack 3 is two, and two protection rack 3 slip cup joint in protection fixed frame 2 both sides, two protection rack 3 are close to the pin 4 outer wall simultaneously, protection fixed frame 2 includes fixed slot 21 and first mount 22, four groups of fixed slot 21 have been seted up to both sides around the upper end of first mount 22, four fixed slot 21 have seted up first positioning slot 23 towards outer end one side, four fixed slot 21 have seted up second positioning slot 24 towards the outer end opposite side, protection rack 3 includes heat dissipation protection net 31 and second mount 32, the fixed heat dissipation 31 of the upper side inner wall of second mount 32, the fixed slot inner wall of second mount 32 both sides is connected with heat dissipation, both sides fixed slot 33 both sides, the fixed ball pole fixed slot contact ball support block 35 lower extreme inner wall has been seted up, ball support block 36, ball support block lower extreme contact ball support block 36 is equipped with ball groove opening 36, ball support block 35 lower extreme inner wall and ball support block 35 contact ball support block 35, ball support block inner wall contact support block 35, and ball support block inner wall lower part contact ball support block 34, and ball support block inner wall lower part inner wall have been equipped with ball support block 34, the ball support block 34.

Specifically, through spacing round bar 33 in the protection rack 3 respectively with first positioning slot 23 and second positioning slot 24 sliding connection in the fixed frame 2 of protection, will make protection rack 3 and the fixed frame 2 sliding connection of protection, simultaneously through expanding spring 37's flexible, will drive ball 34 and carry out the work of going up and down, thereby make spacing round bar 33 respectively with first positioning slot 23 and second positioning slot 24 carry out joint work, just so make second mount 32 and heat dissipation protection network 31 in the protection rack 3 can carry out protection work to the welding end of pin 4 and terminal protecting baseplate 6's terminal better, improve the protectiveness, and also can carry out heat dissipation work better, and respectively slide in first positioning slot 23 and second positioning slot 24 inside through spacing round bar 33, and spacing round bar 33 and second positioning slot 24 separation, just can conveniently protect rack 3 and carry out rotatory expansion work, thereby will make things convenient for the staff to carry out welding work to pin 4.

Preferably, the lead 4 further includes a fixing hole 41 formed at the bottom thereof.

It is to be added that the pins 4 are used for better electrical transmission work and also for better support work.

As the preferred of this embodiment, spacing 5 outwards the end seted up a plurality of character cut in bas-relief shape fixed slots that are used for fixed pin 4, and spacing 5 outer walls scribble insulating anti-oxidation paint layer structure.

It is worth mentioning that the stop strip 5 serves to better fix the pin 4 and also to better protect it.

Preferably, the lower end of the semiconductor power device body 1 is provided with a plurality of open grooves for heat dissipation, and the outer wall of the semiconductor power device body 1 is coated with an insulating oxidation-resistant paint layer structure.

It is to be added that the semiconductor power device body 1 is used for better conducting and blocking operation.

The utility model discloses a theory of operation and use flow: firstly, the worker presses the protection net rack 3 downwards to compress the expansion springs 37, and simultaneously to enable the balls 34 to be recovered to the inside of the open spherical groove 35, the limit round rods 33 are separated from the first positioning groove 23 and the second positioning groove 24 respectively, then, the worker pushes the protection net rack 3 towards the middle direction, the limit round rods 33 slide inside the first positioning groove 23 and the second positioning groove 24 respectively, and then pull upwards, the limit round rods 33 are separated from the second positioning groove 24, and after the limit round rods 33 are separated from the second positioning groove 24, the worker pulls the second fixing frame 32 outwards, so that the limit round rods 33 rotate in the first positioning groove 23, and the protection net rack 3 is rotated and unfolded, at this time, the worker can weld the pins 4 with the terminal protection bottom plate 6, after all the pins 4 complete welding, the worker can close the protection net rack 3 according to the above opposite sequence, when the protection net rack 3 is closed, the limit round rods 33 are inserted into the second positioning groove 24, and the second positioning groove 23 can be connected with the terminal protection bottom plate, so that the whole protection net rack 3 can be positioned with the second positioning groove 23, and the ball 34, and the telescopic spring can be damaged by the limit round rods 33, and the telescopic clamp groove 34, thereby, when the protection net rack 3 is closed, the whole protection rack 3, meanwhile, the second fixing frame 32 can better perform heat dissipation work, the pins 4 can better perform electrical transmission work in the using process, and meanwhile, the semiconductor power device body 1 can better perform conduction and blocking work when being put into use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A semiconductor power device terminal protection structure is characterized in that: including semiconductor power device body (1), terminal protection bottom plate (6), the fixed frame of protection (2) and protection rack (3), the symmetry equidistance is equipped with spacing (5) on the both sides casing of semiconductor power device body (1), the welding of symmetry equidistance has pin (4) on the both sides casing of semiconductor power device body (1), and pin (4) run through to be fixed inside spacing (5), terminal protection bottom plate (6) upper surface and pin (4) bottom surface welding, the fixed frame of protection (2) and terminal protection bottom plate (6) four sides fixed connection, the number of protection rack (3) is two, and two protection racks (3) slide to cup joint in the fixed frame of protection (2) both sides, and two protection racks (3) are close to pin (4) outer wall simultaneously.

2. A semiconductor power device terminal protection architecture according to claim 1, characterized in that: protection rack (3) are including heat dissipation protection network (31) and second mount (32), second mount (32) upside inner wall fixedly connected with heat dissipation protection network (31), the spacing round bar (33) of both sides outer wall fixedly connected with around second mount (32), opening spherical groove (35) have been seted up to second mount (32) lower extreme both sides, opening spherical groove (35) inside is equipped with circular arc supporting shoe (36), be equipped with expanding spring (37) between circular arc supporting shoe (36) outer wall and opening spherical groove (35) upside inner wall, ball (34) have been cup jointed to inside running through of opening spherical groove (35) downside, and ball (34) outer wall and circular arc supporting shoe (36) inner wall contact.

3. A semiconductor power device terminal protection architecture according to claim 1, characterized in that: the protective fixing frame (2) comprises fixing slots (21) and a first fixing frame (22), four groups of fixing slots (21) are formed in the front side and the rear side of the upper end of the first fixing frame (22), four fixing slots (21) are provided with first positioning slots (23) towards the outer end one side, and four fixing slots (21) are provided with second positioning slots (24) towards the outer end other side.

4. A semiconductor power device terminal protection architecture according to claim 1, characterized in that: the pin (4) further comprises a fixing hole (41) formed in the bottom of the pin.

5. A semiconductor power device terminal protection architecture according to claim 1, characterized in that: spacing (5) are offered a plurality of character cut in bas-relief shape fixed slots that are used for fixed pin (4) towards the outer end, spacing (5) outer wall scribbles insulating anti-oxidation paint layer structure.

6. A semiconductor power device termination protection architecture as claimed in claim 1, characterized in that: a plurality of open grooves used for heat dissipation work are formed in the lower end of the semiconductor power device body (1), and an insulating oxidation-resistant paint layer structure is coated on the outer wall of the semiconductor power device body (1).