CN216960480U

CN216960480U - Ultrahigh voltage semiconductor rectifier

Info

Publication number: CN216960480U
Application number: CN202220180861.2U
Authority: CN
Inventors: 王博
Original assignee: Neumann Chuangjia Electronic Technology Jiangsu Co ltd
Current assignee: Neumann Chuangjia Electronic Technology Jiangsu Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-12
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to an ultrahigh-voltage semiconductor rectifier which comprises a shell, wherein a rectifier assembly is arranged in the shell, an ejector plate is arranged at the top end in the shell, ejector rods are arranged on the upper end surface of the ejector plate and are provided with a plurality of ejector rods, buffer grooves are formed in the inner wall of the top end of the shell and correspond to the plurality of ejector rods, springs are connected between the buffer grooves and the ejector rods, guide rods are arranged at the top end of the rectifier assembly and are provided with a plurality of guide rods, first through holes are formed in the ejector plate and correspond to the plurality of guide rods, second through holes are formed in the shell and correspond to the plurality of first through holes, a bottom cover is arranged at the bottom end of the shell, first threaded holes are formed in the bottom cover, a plurality of first threaded holes are formed in the first threaded holes, second threaded holes are formed in the lower end surface of the shell and correspond to the plurality of first threaded holes, and the first threaded holes are connected with the second threaded holes through bolts; the ejection plate is designed to facilitate disassembly and ejection; the T-shaped seat is designed, so that the integral installation is convenient; the design of the connector facilitates the replacement of the connector.

Description

Ultrahigh voltage semiconductor rectifier

Technical Field

The utility model relates to the technical field of rectifiers, in particular to an ultrahigh voltage semiconductor rectifier.

Background

The common ultrahigh voltage semiconductor rectifier diode is a semiconductor rectifier device and is widely applied to various high-frequency power supplies, consumer electronics such as automobiles, disinfectors, computer monitors, negative ion generators, high-grade electronic mosquito swatters and other facilities. The output current of the chip is classified from 20 milliamperes to 1000 milliamperes, and the reverse breakdown voltage is classified into 1000V, 2000V, 3000V, 4000V, 5000V and the like according to different chip specifications. At present, the reverse voltage of a product can reach the standards of 4000V and 5000V, but the reverse recovery time of the product cannot meet the requirement of fast recovery of a customer product, and the reverse recovery time of the same kind of products is more than 1000ns at present.

Current patent for example for 202021535079.5, although the device is convenient for dispel the heat to the inner assembly of rectifier when using, and be convenient for carry out the dismouting to the rectifier casing, thereby be convenient for the maintenance, the people of being convenient for use, but to the external mount pad of difference, device integral erection is comparatively troublesome, when dismantling the device inner assembly, it is inconvenient to take out the rectifier subassembly, and long-time the use, the rectifier junction easily takes place to damage, damage the unable normal use of back device, need the overall change, the replacement cost is higher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an extra-high voltage semiconductor rectifier.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an ultra-high voltage semiconductor rectifier comprises a shell, a rectifier component is arranged in the shell, the top end in the shell is provided with an ejector plate, the upper end surface of the ejector plate is provided with a plurality of ejector rods, the inner wall of the top end of the shell is provided with a plurality of buffer grooves corresponding to the ejector rods, springs are connected between the plurality of buffer grooves and the ejector rods, the top end of the rectifier component is provided with a plurality of guide rods, the ejector plate is provided with a first through hole corresponding to the guide rods, the shell is provided with second through holes corresponding to the first through holes, the bottom end of the shell is provided with a bottom cover, the bottom cover is provided with a plurality of first threaded holes, the lower end face of the shell is provided with a plurality of second threaded holes corresponding to the first threaded holes, and the first threaded holes are connected with the second threaded holes through bolts.

Preferably in a further aspect, first limiting holes are formed in the left end and the right end of the rectifier assembly, second limiting holes are formed in the left end and the right end of the shell corresponding to the first limiting holes, and the first limiting holes and the second limiting holes are connected through bolts to facilitate limiting.

In a further preferred mode, the lower end face of the rectifier assembly is provided with a plurality of heat dissipation plates, and heat dissipation is facilitated.

Preferably, the left side and the right side of the lower end face of the bottom cover are provided with T-shaped seats, and the front side and the rear side of the lower end face of the two T-shaped seats are provided with mounting holes, so that the device is convenient to integrally fix and mount.

Preferably, the lower end face of the bottom cover is provided with sliding grooves corresponding to the two T-shaped seats, threaded rods are rotatably arranged in the sliding grooves and are in threaded connection with the two T-shaped seats respectively, the right ends of the threaded rods extend outwards to penetrate through the bottom cover, and rotating rings are arranged at the right ends of the threaded rods to facilitate adjustment of the mounting positions.

In further preferred, the casing top corresponds a plurality of the guide arm all is equipped with the connector, and is a plurality of the connector top all is equipped with locking bolt, and is convenient to be connected with the external world.

Preferably in further, it is a plurality of both ends face bottom all is equipped with the limiting plate about the connector, the casing top corresponds a plurality of the limiting plate all is equipped with the fixing base, and is a plurality of fixing base and casing all make things convenient for the connector to change through bolted connection.

(III) advantageous effects

Compared with the prior art, the utility model provides an ultrahigh voltage semiconductor rectifier, which has the following beneficial effects:

according to the utility model, due to the design of the ejector plate, the spring in the buffer groove rebounds, the ejector plate with the ejector rod is ejected downwards, the ejector plate drives the rectifier assembly to eject, so that the rectifier assembly is convenient to disassemble, the rectifier assembly with the guide rod is relatively taken out, the rectifier assembly is maintained and operated, and the disassembly and ejection are convenient;

the T-shaped seat is designed, the T-shaped seat is installed according to the external environment, a threaded rod with a rotating ring is grasped, the threaded rod rotates relative to the sliding groove, the threaded rod is in threaded fit with the two T-shaped seats, internal threads of the two T-shaped seats are arranged in a reverse direction, reverse sliding of the two T-shaped seats is achieved, the threaded rod stops rotating after the T-shaped seats slide to a proper position, the T-shaped seat with an installation hole is installed in a matched mode with external equipment, and a bolt penetrates through the installation hole and is fixedly installed with the outside, so that the integral installation is facilitated;

the design of connector when the connector breaks down, takes off the bolt between fixing base and the casing, dismantles the fixing base, and the fixing base is dismantled the back, dismantles the connector that has the limiting plate, corresponds the guide arm with new connector and installs, and fixing base and limiting plate cooperation are spacing, and the bolt is connected fixing base and casing firmly, makes things convenient for the connector to change.

Drawings

FIG. 1 is a schematic diagram of a preferred overall structure of an extra-high voltage semiconductor rectifier according to the present invention;

FIG. 2 is a schematic diagram of a preferred housing structure of an extra-high voltage semiconductor rectifier according to the present invention;

FIG. 3 is a cross-sectional view showing the overall structure of a preferred device for an extra-high voltage semiconductor rectifier according to the present invention;

FIG. 4 is a schematic view of a bottom cover, a T-shaped seat, a threaded rod and a rotating ring of the ultra-high voltage semiconductor rectifier according to the present invention;

fig. 5 is an enlarged view of a portion of a structure in fig. 3.

In the figure: 1. a housing; 2. a rectifier assembly; 3. ejecting the plate; 4. ejecting the rod; 5. a buffer tank; 6. A spring; 7. a guide bar; 8. a first through hole; 9. a second through hole; 10. a bottom cover; 11. a first threaded hole; 12. a second threaded hole; 13. a first limit hole; 14. a second limiting hole; 15. a heat dissipation plate; 16. a T-shaped seat; 17. mounting holes; 18. a chute; 19. a threaded rod; 20. a rotating ring; 21. a connector; 22. locking the bolt; 23. a limiting plate; 24. a fixed seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, an ultra-high voltage semiconductor rectifier comprises a housing 1, a rectifier assembly 2 disposed inside the housing 1, an ejector plate 3 disposed at the top end of the housing 1, a plurality of ejector rods 4 disposed on the top end surface of the ejector plate 3, a plurality of buffer slots 5 disposed on the inner wall of the top end of the housing 1 corresponding to the plurality of ejector rods 4, springs 6 connected between the plurality of buffer slots 5 and the ejector rods 4, a plurality of guide rods 7 disposed on the top end of the rectifier assembly 2, a plurality of guide rods 7 disposed on the ejector plate 3 corresponding to the plurality of guide rods 7, a plurality of second through holes 9 disposed on the housing 1 corresponding to the plurality of first through holes 8, a bottom cover 10 disposed at the bottom end of the housing 1, a first threaded hole 11 disposed on the bottom cover 10, a plurality of first threaded holes 11 disposed on the first threaded hole 11, and a plurality of second threaded holes 12 disposed at the bottom end surface of the housing 1 corresponding to the plurality of first threaded holes 11, the first threaded hole 11 and the second threaded hole 12 are connected by a bolt.

Referring to fig. 2 and 3, in the present embodiment, first limiting holes 13 are formed at both left and right ends of the rectifier assembly 2, second limiting holes 14 are formed at both left and right ends of the housing 1 corresponding to the first limiting holes 13, the first limiting holes 13 and the second limiting holes 14 are connected by bolts, a plurality of heat dissipation plates 15 are disposed on the lower end surface of the rectifier assembly 2, the heat dissipation plates 15 dissipate heat of the rectifier assembly 2, the first limiting holes 13 and the second limiting holes 14 are aligned, and a plastic bolt passes through the first limiting holes 13 and the second limiting holes 14 to limit the rectifier assembly 2.

Referring to fig. 1 and 4, in the present embodiment, T-shaped seats 16 are disposed on both left and right sides of a lower end surface of a bottom cover 10, mounting holes 17 are disposed on both front and rear sides of the lower end surfaces of the two T-shaped seats 16, sliding grooves 18 are disposed on the lower end surface of the bottom cover 10 corresponding to the two T-shaped seats 16, a threaded rod 19 is rotatably disposed in the sliding grooves 18, the threaded rod 19 is respectively in threaded connection with the two T-shaped seats 16, the right end of the threaded rod 19 extends outward and penetrates through the bottom cover 10, a rotating ring 20 is disposed on the right end of the threaded rod 19, the threaded rod 19 rotates relative to the sliding grooves 18, the threaded rod 19 is in threaded engagement with the two T-shaped seats 16, internal threads of the two T-shaped seats 16 are reversely disposed, so as to realize reverse sliding of the two T-shaped seats 16, and after the T-shaped seats 16 slide to a proper position, the threaded rod 19 stops rotating, so that the T-shaped seats 16 with the mounting holes 17 are mounted in cooperation with external equipment.

Please refer to fig. 1, in this embodiment, the top of the casing 1 is provided with connectors 21 corresponding to the guide rods 7, the top of the connectors 21 is provided with locking bolts 22, the bottoms of the left and right end surfaces of the connectors 21 are provided with limiting plates 23, the top of the casing 1 is provided with fixing seats 24 corresponding to the limiting plates 23, the fixing seats 24 and the casing 1 are connected by bolts, external wires are wound on the connectors 21, the locking bolts 22 are rotated and screwed down, when the connectors 21 fail, the bolts between the fixing seats 24 and the casing 1 are taken down, the fixing seats 24 are disassembled, after the fixing seats 24 are disassembled, the connectors 21 with the limiting plates 23 are disassembled, the new connectors 21 are installed corresponding to the guide rods 7, the fixing seats 24 and the limiting plates 23 are matched for limitation, and the bolts connect the fixing seats 24 and the casing 1 firmly.

The second embodiment:

in conclusion, when the device is used, firstly, the whole device is fixed, the T-shaped seats 16 are installed according to the external environment, the threaded rod 19 with the rotating ring 20 is grasped, the threaded rod 19 rotates relative to the sliding chute 18, the threaded rod 19 is in threaded fit with the two T-shaped seats 16, the internal threads of the two T-shaped seats 16 are arranged in reverse directions, the two T-shaped seats 16 slide in reverse directions, the T-shaped seats 16 slide to proper positions, the threaded rod 19 stops rotating, the T-shaped seats 16 with the installation holes 17 are installed in a matched mode with external equipment, bolts penetrate through the installation holes 17 and are fixedly installed with the external environment, after the whole device is fixedly installed, the device, external wires and the like are assembled, the external wires are wound on the connector 21, the locking bolts 22 are rotated and screwed, the wires are fixedly connected to achieve rectification operation, when the device is used, the heat dissipation plate 15 dissipates heat to the rectifier assembly 2, heat dissipation holes are formed in the front end and the rear end of the shell 1, a filter screen is arranged in the heat dissipation holes, and heat dissipation efficiency is guaranteed.

Example three:

in conclusion, when the rectifier assembly is used for a long time, the inside of the rectifier assembly is broken down, the rectifier assembly 2 is disassembled and overhauled, the bolts in the first threaded holes 11 and the second threaded holes 12 are taken out, the bottom cover 10 is disassembled, after the bottom cover 10 is disassembled, the springs 6 in the buffer grooves 5 rebound, the ejector plates 3 with the ejector rods 4 are ejected downwards, the ejector plates 3 drive the rectifier assembly 2 to eject, the rectifier assembly 2 is convenient to disassemble, the rectifier assembly 2 with the guide rods 7 is relatively taken out, the overhauling operation is carried out, after the overhauling operation is finished, the rectifier assembly 2 with the guide rods 7 is mounted relative to the shell 1, the guide rods 7 penetrate through the first through holes 8 of the ejector rods 4 and then penetrate through the second through holes 9 of the shell 1 to enter the connector 21 to be electrically connected with the connector 21, after the ejector plates 3 are extruded to a certain degree, the first limiting holes 13 and the second limiting holes 14 are aligned, plastics bolt passes first spacing hole 13 and the spacing hole 14 of second and carries on spacingly to rectifier unit subassembly 2, the back is accomplished in the equipment, install the relative casing 1 of bottom 10, the bolt passes first screw hole 11 and the tightening of second screw hole 12 is fixed, when connector 21 breaks down, take off the bolt between fixing base 24 and the casing 1, dismantle fixing base 24, fixing base 24 dismantles the back, dismantle the connector 21 to have limiting plate 23, correspond guide arm 7 with new connector 21 and install, fixing base 24 and limiting plate 23 cooperation are spacing, the bolt is connected fixing base 24 and casing 1 firmly.

In all the above-mentioned embodiments, the connection between the two components may be selected from welding, matching connection of bolt and nut, bolt or screw connection, or other known connection methods according to practical situations, which are not described herein in detail, and the above-mentioned embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and equivalent substitutions or changes can be made according to the technical solution of the present invention and the practical idea thereof, and all the modifications and changes are intended to be covered by the scope of the present invention.

Claims

1. An ultrahigh-voltage semiconductor rectifier comprises a shell (1), wherein a rectifier component (2) is arranged in the shell (1), and is characterized in that an ejector plate (3) is arranged at the top end in the shell (1), an ejector rod (4) is arranged on the upper end face of the ejector plate (3), a plurality of ejector rods (4) are arranged, buffer grooves (5) are formed in the inner wall of the top end of the shell (1) corresponding to the plurality of ejector rods (4), springs (6) are connected between the plurality of buffer grooves (5) and the ejector rods (4), guide rods (7) are arranged at the top end of the rectifier component (2), a plurality of guide rods (7) are arranged in the ejector plate (3), first through holes (8) are formed in the guide rods (7), and second through holes (9) are formed in the shell (1) corresponding to the plurality of first through holes (8), the bottom end of the shell (1) is provided with a bottom cover (10), a plurality of first threaded holes (11) are formed in the bottom cover (10), a plurality of second threaded holes (12) are formed in the lower end face of the shell (1) corresponding to the plurality of first threaded holes (11), and the first threaded holes (11) are connected with the second threaded holes (12) through bolts.

2. The extra-high voltage semiconductor rectifier of claim 1, wherein: first spacing hole (13) have all been seted up at both ends about rectifier subassembly (2), both ends all correspond about casing (1) first spacing hole (13) have been seted up second spacing hole (14), first spacing hole (13) and second spacing hole (14) pass through bolted connection.

3. A uhp semiconductor rectifier according to claim 2 wherein: rectifier subassembly (2) lower terminal surface is equipped with heating panel (15), heating panel (15) are provided with a plurality ofly.

4. The extra-high voltage semiconductor rectifier of claim 1, wherein: the bottom cover (10) lower terminal surface left and right sides all is equipped with T type seat (16), two mounting hole (17) have all been seted up to both sides around T type seat (16) lower terminal surface.

5. The extra-high voltage semiconductor rectifier of claim 4 wherein: the lower end face of the bottom cover (10) is provided with sliding grooves (18) corresponding to the two T-shaped seats (16), a threaded rod (19) is arranged in each sliding groove (18) in a rotating mode, the threaded rod (19) is connected with the two T-shaped seats (16) in a threaded mode respectively, the right end of the threaded rod (19) extends outwards to penetrate through the bottom cover (10), and a rotating ring (20) is arranged at the right end of the threaded rod (19).

6. The extra-high voltage semiconductor rectifier of claim 1, wherein: the shell (1) top corresponds a plurality of guide arm (7) all is equipped with connector (21), and is a plurality of connector (21) top all is equipped with locking bolt (22).

7. The extra-high voltage semiconductor rectifier according to claim 6, wherein: a plurality of both ends face bottom all is equipped with limiting plate (23) about connector (21), casing (1) top is corresponding a plurality of limiting plate (23) all is equipped with fixing base (24), and is a plurality of fixing base (24) and casing (1) all pass through bolted connection.