CN219435864U

CN219435864U - Bidirectional silicon controlled rectifier with heat radiation structure

Info

Publication number: CN219435864U
Application number: CN202320385382.9U
Authority: CN
Inventors: 陈煌
Original assignee: Fujian Changting Pinji Electronic Products Manufacturing Co ltd
Current assignee: Fujian Changting Pinji Electronic Products Manufacturing Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-28
Anticipated expiration: 2033-03-03

Abstract

The utility model provides a bidirectional thyristor with a heat dissipation structure, which comprises a fixed box body, wherein a placing piece for placing and fixing the bidirectional thyristor is arranged in the fixed box body, a first heat dissipation piece for realizing the heat dissipation function of the bidirectional thyristor is embedded in the middle of the upper surface of the fixed box body, and a second heat dissipation piece for realizing the uniform heat dissipation of the bidirectional thyristor is arranged in the fixed box body; the utility model has simple structure and convenient operation, can realize the heat dissipation effect of the bidirectional thyristor and can fix the bidirectional thyristor.

Description

Bidirectional silicon controlled rectifier with heat radiation structure

Technical Field

The utility model relates to the technical field of heat dissipation of thyristors, in particular to a bidirectional thyristor with a heat dissipation structure.

Background

As is well known, a silicon controlled rectifier, is a short for a silicon controlled rectifier element, and is a high-power semiconductor device with a four-layer structure having three PN junctions, which is also called a thyristor. The semiconductor device has the characteristics of small volume, relatively single structure, strong function and the like, and is one of the more commonly used semiconductor devices. When the silicon controlled rectifier operates, a large amount of heat is generated, and the silicon controlled rectifier needs to be matched with a radiator for use.

When the existing silicon controlled radiator is used, the starting ventilation holes are adopted for radiating, only air cooling is used for radiating the silicon controlled radiator, the radiating effect is low, the radiating effect is poor, the radiating mechanism is inconvenient to detach, when the radiating mechanism has a problem, the silicon controlled radiator cannot be replaced or maintained timely, the fixing effect is poor, and the silicon controlled radiator is easy to shake; and the heat dissipation mechanism has no dustproof effect, and dust easily falls on the silicon controlled rectifier.

Disclosure of Invention

In view of the above, the present utility model aims to provide a bidirectional thyristor with a heat dissipation structure, which can realize the heat dissipation function of the bidirectional thyristor and fix the bidirectional thyristor.

The utility model is realized by the following steps: the utility model provides a bidirectional thyristor with heat radiation structure, includes fixed box, be provided with in the fixed box and be used for realizing that bidirectional thyristor places fixed piece of placing, fixed box upper surface middle part inlays and is equipped with the first radiating piece that is used for realizing bidirectional thyristor heat dissipation function, be provided with in the fixed box and be used for realizing the even radiating second radiating piece of bidirectional thyristor.

Further, place the piece and including flexible cylinder, both ends have all been seted up about the fixed box internal upper surface, the spacing inslot is equipped with flexible cylinder, flexible cylinder's telescopic link end is provided with removes the seat, it has set up the bar recess to remove the seat medial surface, the embedded synchronous motor that has of top surface in the bar recess, synchronous motor's output is connected with the screw rod, spiral cover is equipped with the backup pad that is used for supporting bidirectional thyristor on the screw rod, just the backup pad with it sets up perpendicularly to remove the seat.

Further, the first radiating piece includes the exhaust fan, the opening has been seted up at fixed box upper surface middle part, the upper end is provided with the dust screen in the opening, be provided with in the opening the exhaust fan, the lower extreme is provided with the fixed plate in the opening, the fixed plate lower surface is provided with and is used for driving the driving motor of exhaust fan, the lower extreme equidistance is provided with a plurality of first fin in the opening.

Further, the second heat dissipation piece comprises a U-shaped pipe, the U-shaped pipe is arranged in the fixed box body, and the U-shaped pipe is connected with a liquid inlet pipe.

Further, second radiating fins are arranged on the left side surface and the right side surface of the fixed box body at equal distances.

The utility model has the beneficial effects that: according to the utility model, the placing piece, the first heat dissipation piece and the second heat dissipation piece are added into the device, so that the placing and fixing functions of the bidirectional controllable silicon can be realized through the functions of the placing piece, and then the uniform heat dissipation function of the bidirectional controllable silicon in use can be realized through the functions of the first heat dissipation piece and the second heat dissipation piece, and the service life of the bidirectional controllable silicon is prolonged; the utility model has simple structure, convenient operation, good heat dissipation effect and improved working efficiency, and can effectively realize the heat dissipation of the silicon controlled rectifier.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1, the present utility model provides an embodiment: the utility model provides a bidirectional thyristor with heat radiation structure, includes fixed box 1, be provided with in the fixed box 1 and be used for realizing that bidirectional thyristor places fixed place piece 2, fixed box 1 upper surface middle part inlays and is equipped with the first radiating piece 3 that is used for realizing bidirectional thyristor heat dissipation function, be provided with in the fixed box 1 and be used for realizing the even radiating second radiating piece 4 of bidirectional thyristor. The bidirectional thyristor is placed in the fixed box body 1 through the placement piece 2, and then the uniform heat dissipation can be realized when the bidirectional thyristor works through the functions of the first heat dissipation piece 3 and the second heat dissipation piece 4, so that the service life of the bidirectional thyristor is prolonged.

Referring to fig. 1, in an embodiment of the present utility model, the placement member 2 includes a telescopic cylinder 21, both ends of the left and right inner surface of the fixed case 1 are provided with a limiting groove 22, the telescopic cylinder 21 is embedded in the limiting groove 22, a moving seat 23 is disposed at the end of a telescopic rod of the telescopic cylinder 21, a strip-shaped groove 24 is provided on the inner side surface of the moving seat 23, a synchronous motor 25 is embedded in the inner top surface of the strip-shaped groove 24, an output end of the synchronous motor 25 is connected with a screw rod 26, a supporting plate 27 for supporting a bidirectional thyristor is sleeved on the screw rod 26 in a spiral manner, and the supporting plate 27 is vertically disposed with the moving seat 23. So that the movable seat 23 can be driven to move left and right through the telescopic cylinder 21, and then the supporting plate 27 can be lifted up and down through the synchronous motor 25, thereby realizing the supporting function of the bidirectional thyristors of different models.

With continued reference to fig. 1, in an embodiment of the utility model, the first heat dissipation element 3 includes an exhaust fan 31, an opening 32 is provided in the middle of the upper surface of the fixed housing 1, a dust screen 33 is provided at the inner upper end of the opening 32, the exhaust fan 31 is provided in the opening 32, a fixing plate 34 is provided at the inner lower end of the opening 32, a driving motor 35 for driving the exhaust fan 31 is provided at the lower surface of the fixing plate 34, and a plurality of first heat dissipation fins 36 are provided at equal intervals at the inner lower end of the opening 32. The exhaust fan 31 can be driven to rotate through the driving motor 35, so that the radiating effect on the bidirectional thyristor can be realized, and external dust can be prevented from entering the bidirectional thyristor through the effect of the dust screen 33.

With continued reference to fig. 1, in an embodiment of the utility model, the second heat dissipating member 4 includes a U-shaped tube 41, the U-shaped tube 41 is disposed in the fixed housing 1, and the U-shaped tube 41 is connected with a liquid inlet tube 42. The cooling liquid is conveyed into the U-shaped pipe 41 through the liquid inlet pipe 42, so that the whole fixed box body 1 can be cooled, and the heat dissipation effect of the bidirectional thyristor is realized.

With continued reference to fig. 1, in an embodiment of the utility model, the second heat dissipation fins 5 are disposed at equal distances on the left and right sides of the inside of the fixed case 1. So that the heat dissipation effect of the bidirectional thyristor can be realized by the effect of the second heat sink 5.

The driving motor, the exhaust fan, the synchronous motor, the telescopic cylinder and the cooling fin are all of the prior art, and the driving motor, the exhaust fan, the synchronous motor, the telescopic cylinder and the cooling fin are all well known to those skilled in the art and are not described in detail herein.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A bidirectional thyristor with a heat radiation structure is characterized in that: including fixed box, be provided with in the fixed box and be used for realizing that two-way silicon controlled rectifier places fixed piece of placing, fixed box upper surface middle part inlays and is equipped with the first radiating piece that is used for realizing two-way silicon controlled rectifier heat dissipation function, be provided with in the fixed box and be used for realizing two-way silicon controlled rectifier evenly radiating second radiating piece.

2. The bidirectional thyristor with heat dissipation structure of claim 1, wherein: the placing part comprises a telescopic cylinder, limit grooves are formed in the left end and the right end of the upper surface of the fixed box body, the telescopic cylinder is embedded in the limit grooves, a movable seat is arranged at the tail end of a telescopic rod of the telescopic cylinder, a strip-shaped groove is formed in the inner side surface of the movable seat, a synchronous motor is embedded in the inner top surface of the strip-shaped groove, the output end of the synchronous motor is connected with a screw rod, a supporting plate for supporting a bidirectional thyristor is sleeved on the screw rod in a spiral mode, and the supporting plate is perpendicular to the movable seat.

3. The bidirectional thyristor with heat dissipation structure of claim 1, wherein: the first radiating piece comprises an exhaust fan, an opening is formed in the middle of the upper surface of the fixed box body, a dust screen is arranged at the upper end in the opening, the exhaust fan is arranged in the opening, a fixed plate is arranged at the lower end in the opening, a driving motor used for driving the exhaust fan is arranged on the lower surface of the fixed plate, and a plurality of first radiating fins are arranged at the lower end in the opening at equal intervals.

4. The bidirectional thyristor with heat dissipation structure of claim 1, wherein: the second heat dissipation piece comprises a U-shaped pipe, the U-shaped pipe is arranged in the fixed box body, and the U-shaped pipe is connected with a liquid inlet pipe.

5. The bidirectional thyristor with heat dissipation structure of claim 1, wherein: the left side surface and the right side surface in the fixed box body are provided with second cooling fins at equal distances.