CN214012932U

CN214012932U - Flat plate type thyristor fixing device

Info

Publication number: CN214012932U
Application number: CN202022988809.3U
Authority: CN
Inventors: 张中彬; 张忠臣; 李国伟
Original assignee: Anhui Anjing Semiconductor Co ltd
Current assignee: Anhui Anjing Semiconductor Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-08-20
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a flat thyristor fixing device belongs to the fixed technical field of flat thyristor, be in including bottom plate and setting two curb plates at bottom plate top, the top of curb plate is equipped with the roof, a plurality of louvres have been seted up on the roof, the top of bottom plate is equipped with the fixed plate, the both sides of fixed plate all are equipped with the sliding plate, one side of sliding plate is equipped with the clamp plate, be equipped with aluminum alloy flange cone on the clamp plate, aluminum alloy flange cone's one end is equipped with the epoxy insulation board. The utility model discloses a clamp plate slides on the bottom plate, and the nut that the clamp plate outside set up and the screw thread end threaded connection of guide arm through revolving the nut soon, play the effect that compresses tightly flat thyristor, when installing flat thyristor, twist off the nut, thereby promote the epoxy insulation board and slide to the outside and drive the clamp plate and slide to the outside under the elastic action of spring this moment.

Description

Flat plate type thyristor fixing device

Technical Field

The utility model relates to a thyristor fixing device especially relates to a flat thyristor fixing device, belongs to flat thyristor fixed technical field.

Background

With the development of power electronic equipment towards high voltage, large current and high power, a plurality of thyristors are connected in series to serve as one arm in more and more occasions. For the balanced needs of each thyristor during operation voltage and electric current of assurance, take necessary measure to guarantee effectively in the selection of device and use the uniformity of series connection device dynamic working parameter, wherein the fixed mode of installation of series connection thyristor is exactly a very important link, and current flat thyristor fixing device is bulky, the installation is dismantled loaded down with trivial details, causes the very big inconvenience of installation, the utility model provides a new solution to above problem.

How to research a flat-plate type thyristor fixing device convenient to install is a problem to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The main objective of the present invention is to provide a flat thyristor fixing device convenient for installation in order to solve the deficiencies of the prior art.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a flat thyristor fixing device, its characterized in that is in including bottom plate and setting two curb plates at bottom plate top, the top of curb plate is equipped with the roof, a plurality of louvres have been seted up on the roof, the top of bottom plate is equipped with the fixed plate, the both sides of fixed plate all are equipped with the sliding plate, one side of sliding plate is equipped with the clamp plate, be equipped with aluminum alloy conical flange on the clamp plate, the one end of aluminum alloy conical flange is equipped with the epoxy insulation board, the epoxy insulation board with be equipped with flat thyristor between the sliding plate, the spout has all been seted up to the both sides of bottom plate, the spout with clamp plate sliding.

Preferably, a groove is formed in the side plate, and a plurality of fixing blocks are arranged inside the groove.

Preferably, the fixing block is disposed between the fixing plate and the sliding plate and between the sliding plate and the epoxy insulating plate.

Preferably, springs are arranged on two sides of the fixing block.

Preferably, the inside of recess is equipped with the guide arm, the both ends of guide arm are equipped with the screw thread end.

Preferably, the two sides of the pressing plate are both provided with second sliding blocks, the second sliding blocks are sleeved on the threaded ends, and the bottom of the pressing plate is fixedly connected with the first sliding blocks.

Preferably, the first sliding block is connected with the sliding groove in a sliding mode.

Preferably, the second sliding blocks are arranged on two sides of the sliding plate and are in sliding connection with the grooves.

Preferably, the flat thyristor is disposed between the fixed plate and the sliding plate.

Preferably, a plurality of fans are arranged on the bottom plate

The utility model has the advantages of: according to the utility model discloses a flat thyristor fixing device, this flat thyristor fixing device, the clamp plate slides on the bottom plate, the nut that the clamp plate outside set up and the screw thread end threaded connection of guide arm, through revolving the twist nut, play the effect that compresses tightly flat thyristor, when installing flat thyristor, twist off the nut, thereby promote the epoxy insulation board to slide to the outside and drive the clamp plate and slide to the outside under the elastic action of spring this moment, fixed plate and sliding plate and epoxy insulation board have been separated and have been held the chamber this moment, hold the inside in chamber and place flat thyristor, it is fixed with flat thyristor through screwing up the nut, prevent that flat thyristor from taking place the drunkenness in inside, the installation is simple and reduced fixing device's volume, the fixed block prevents that the packing force from leading to flat thyristor conquassation greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of a preferred embodiment of a flat thyristor fixing device according to the present invention;

fig. 2 is a top view of an overall ceiling-free structure of a preferred embodiment of a flat thyristor mounting arrangement according to the invention;

fig. 3 is a schematic side plate structure of a preferred embodiment of the flat thyristor fixing device according to the present invention;

fig. 4 is a schematic structural view of a bottom plate of a preferred embodiment of the flat thyristor fixing device according to the present invention;

fig. 5 is an internal schematic view of the overall structure of a preferred embodiment of a flat thyristor fixing device according to the invention;

fig. 6 is a schematic view of a pressing plate structure of a preferred embodiment of the flat thyristor fixing device according to the present invention.

In the figure: the manufacturing method comprises the following steps of 1-bottom plate, 2-top plate, 3-side plate, 4-pressing plate, 5-aluminum alloy conical flange, 6-heat dissipation hole, 7-flat thyristor, 8-fixing plate, 9-sliding plate, 10-epoxy insulating plate, 11-groove, 12-guide rod, 13-fixing block, 14-spring, 15-fan, 16-sliding groove, 17-first sliding block and 18-second sliding block.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-6, the flat thyristor fixing device provided in this embodiment includes a bottom plate 1 and two side plates 3 disposed at the top of the bottom plate 1, a top plate 2 is disposed above the side plates 3, a plurality of heat dissipation holes 6 are disposed on the top plate 2, a fixing plate 8 is disposed at the top of the bottom plate 1, sliding plates 9 are disposed on two sides of the fixing plate 8, a pressing plate 4 is disposed on one side of each sliding plate 9, an aluminum alloy tapered flange 5 is disposed on the pressing plate 4, an epoxy insulating plate 10 is disposed at one end of the aluminum alloy tapered flange 5, a flat thyristor 7 is disposed between the epoxy insulating plate 10 and the sliding plate 9, sliding grooves 16 are disposed on two sides of the bottom plate 1, and the sliding grooves 16 are slidably connected with the pressing plate 4. The pressing plate 4 slides on the bottom plate, a nut arranged on the outer side of the pressing plate 4 is in threaded connection with a threaded end of the guide rod 12, the pressing plate 4 is tightly pressed by screwing the nut, when the flat-plate thyristor 7 is installed, the nut is screwed off, the epoxy insulating plate 10 is pushed to slide outwards under the elastic action of the spring 14 so as to drive the pressing plate 4 to slide outwards, a containing cavity is formed between the fixing plate 8 and the sliding plate 9 and between the sliding plate 9 and the epoxy insulating plate 10, the flat-plate thyristor 7 is placed inside the containing cavity, the flat-plate thyristor 7 is fixed by screwing the nut, the flat-plate thyristor 7 is prevented from moving inside, the installation is simple, the size of the fixing device is reduced, and the fixing block 13 prevents the pressing force from being too large to cause the crushing of the flat-plate thyristor 7.

In the present embodiment, as shown in fig. 2 and 3, the sliding plate 9 is provided with second sliding blocks 18 on both sides, and the second sliding blocks 18 are slidably connected with the grooves 11. A flat plate type thyristor 7 is arranged between the fixed plate 8 and the sliding plate 9. The first slider 17 is slidably connected to the slide groove 16. The second slide block 18 on the sliding plate 9 slides in the groove 11, the flat-plate type thyristor 7 is installed in an accommodating cavity between the fixed plate 8 and the sliding plate 9, the number of the accommodating cavities can be determined according to the number of the fixed plate 8 and the sliding plate 9, and the first slide block 17 slides in the sliding groove 16 and plays a role of limiting.

In this embodiment, as shown in fig. 5, a groove 11 is formed on the side plate 3, and a plurality of fixing blocks 13 are disposed inside the groove 11. The fixed block 13 is disposed between the fixed plate 8 and the sliding plate 9 and between the sliding plate 9 and the epoxy insulating plate 10. Both sides of the fixed block 13 are provided with springs 14. A guide rod 12 is arranged inside the groove 11, and two ends of the guide rod 12 are provided with threaded ends. The side plates 3 are fixedly connected to the top fixing block 13 of the bottom plate 1 to prevent the flat-plate thyristor 7 from being crushed due to overlarge pressing force, the springs 14 increase the volume of a containing cavity between the fixing plate 8 and the sliding plate 9 and between the sliding plate 9 and the epoxy insulating plate 10 when the pressing plate 4 does not provide pressure, so that the flat-plate thyristor 7 can be mounted, the position of the pressing plate 4 is adjusted through connection of the nuts and the threaded ends, the flat-plate thyristor 7 is pressed, and movement is prevented.

In this embodiment, as shown in fig. 4 and 6, the two sides of the pressing plate 4 are both provided with the second sliding blocks 18, the second sliding blocks 18 are sleeved on the threaded ends, and the bottom of the pressing plate 4 is fixedly connected with the first sliding blocks 17. The base plate 1 is provided with a plurality of fans 15. The outside of the second slider 18 on the clamp plate 4 is equipped with the nut, and the nut is connected with the threaded end, and when the nut was screwed up, thereby the nut compressed tightly flat thyristor 7 with clamp plate 4 top, and fan 15 and louvre 6 accelerate the inside heat of device and scatter and disappear, install the dust cover on the louvre 6 simultaneously and prevent the dust access device.

In this embodiment, as shown in fig. 1 to fig. 6, the operation process of the flat thyristor fixing device provided in this embodiment is as follows:

step 1: firstly, the nut on the threaded end of the guide rod 12 is unscrewed, then the flat-plate thyristor 7 is placed in the device, and the nut is screwed after the installation is finished;

step 2: after the flat-plate thyristor is fixed, the top plate 2 and the side plate 3 are connected through threads, then the device is installed at a preset position, and the fan 15 is started to dissipate heat inside.

In summary, in the present embodiment, according to the flat thyristor fixing device of the present embodiment, the second slider 18 on the sliding plate 9 slides in the groove 11, the flat thyristor 7 is installed in the accommodating cavity between the fixed plate 8 and the sliding plate 9, the number of the accommodating cavity can be determined according to the number of the fixed plate 8 and the sliding plate 9, and the first slider 17 slides in the sliding slot 16 and plays a role of limiting; the side plate 3 is fixedly connected to a top fixing block 13 of the bottom plate 1 to prevent the flat thyristor 7 from being crushed due to overlarge pressing force, the spring 14 increases the volume of an accommodating cavity between the fixing plate 8 and the sliding plate 9 and between the sliding plate 9 and the epoxy insulating plate 10 when the pressing plate 4 does not provide pressure so as to facilitate the installation of the flat thyristor 7, and the position of the pressing plate 4 is adjusted through the connection of the nut and the threaded end, so that the flat thyristor 7 is pressed tightly and prevented from moving; a nut is arranged on the outer side of the second sliding block 18 on the pressing plate 4 and is connected with the threaded end, when the nut is screwed down, the pressing plate 4 is tightly pushed by the nut so as to tightly press the flat-plate type thyristor 7, the fan 15 and the heat dissipation holes 6 accelerate heat dissipation in the device, and meanwhile, dust covers are arranged on the heat dissipation holes 6 to prevent dust from entering the device;

the above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. A flat-plate thyristor fixing device is characterized by comprising a bottom plate (1) and two side plates (3) arranged at the top of the bottom plate (1), a top plate (2) is arranged above the side plate (3), a plurality of heat dissipation holes (6) are arranged on the top plate (2), a fixed plate (8) is arranged at the top of the bottom plate (1), sliding plates (9) are arranged on two sides of the fixed plate (8), a pressing plate (4) is arranged on one side of the sliding plate (9), an aluminum alloy conical flange (5) is arranged on the pressing plate (4), one end of the aluminum alloy conical flange (5) is provided with an epoxy insulating plate (10), a flat thyristor (7) is arranged between the epoxy insulating plate (10) and the sliding plate (9), the two sides of the bottom plate (1) are provided with sliding grooves (16), and the sliding grooves (16) are connected with the pressing plate (4) in a sliding mode.

2. A flat thyristor fixing device according to claim 1, wherein the side plates (3) are provided with grooves (11), and a plurality of fixing blocks (13) are arranged inside the grooves (11).

3. A flat plate type thyristor fixing device according to claim 2, wherein the fixing block (13) is disposed between the fixing plate (8) and the sliding plate (9) and between the sliding plate (9) and the epoxy insulating plate (10).

4. A flat plate type thyristor fixing device according to claim 2, wherein the fixing block (13) is provided with springs (14) at both sides.

5. A planar thyristor fastening device according to claim 2, wherein the recess (11) is internally provided with a guide rod (12), and both ends of the guide rod (12) are provided with threaded ends.

6. A flat thyristor fixing device according to claim 5, wherein the two sides of the pressure plate (4) are provided with second sliding blocks (18), the second sliding blocks (18) are sleeved on the threaded ends, and the bottom of the pressure plate (4) is fixedly connected with the first sliding blocks (17).

7. A thyristor flat plate according to claim 6, wherein the first slider (17) is slidably connected to the slot (16).

8. A flat plate type thyristor fixing device according to claim 6, wherein the sliding plate (9) is provided with the second sliding blocks (18) at both sides, and the second sliding blocks (18) are slidably connected with the grooves (11).

9. A flat thyristor fixing device according to claim 1, wherein the flat thyristor (7) is arranged between the fixed plate (8) and the sliding plate (9).

10. A flat type thyristor fixing device according to claim 1, wherein a plurality of fans (15) are provided on the base plate (1).