CN217741562U

CN217741562U - Bypass device of power unit of current-sharing high-voltage frequency converter

Info

Publication number: CN217741562U
Application number: CN202221361632.7U
Authority: CN
Inventors: 朱道宁; 张会涛; 姚金龙; 邹大伟
Original assignee: Shandong Hengxi Electric Transmission Technology Co ltd
Current assignee: Shandong Hengxi Electric Transmission Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-04
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to a bypass device of current-sharing formula high-voltage inverter power unit belongs to switching device technical field. It mainly can not carry out spacing problem to the movable plate to current device, proposes following technical scheme: the device comprises a shell, a movable plate, a sliding plate, an installation block and a limiting column; through holes are formed in the inner walls of the two transverse sides of the shell, and an opening is formed in the inner wall of the top of the shell; a fixed plate is arranged in the shell, a static plate is arranged on the front side of the fixed plate, and a copper column is arranged on the static plate; the movable plate is arranged on the inner wall of the bottom of the shell in a sliding mode, a copper sleeve is arranged on the movable plate, and the copper sleeve is located on one side of the copper column in the transverse direction; the sliding plate penetrating opening is formed in the upper surface of the movable plate, the sliding plate is connected with the shell in a sliding mode, and a limiting hole is formed in the sliding plate; the installation piece sets up on the casing, and spacing post setting is in the horizontal one side of installation piece, and spacing post runs through spacing hole, and spacing post is kept away from the inside cavity that is provided with of one end of installation piece. The utility model discloses a set up elastic component and can fix the slide.

Description

Bypass device of power unit of current-sharing high-voltage frequency converter

Technical Field

The utility model belongs to the technical field of the switching device technique and specifically relates to a bypass device of current-sharing high-voltage inverter power unit.

Background

The bypass device is a switching device connected across the dc terminals of the one or more converter bridges. Chinese patent grant publication No. CN214959281U discloses a bypass device of current sharing high-voltage inverter power unit, through the inside wiring subassembly that sets up of shell body, when power unit breaks down, at first can insert the connector lug tip of slide side-mounting with power unit's input copper bar, then all install the power unit output copper bar that a plurality of corresponds to the inside a plurality of movable plate through the wire and lead electrical drainage, laminate movable plate and static board and make the laminating of corresponding electrical drainage simultaneously through spacing subassembly, make between the power unit through the connector lug that corresponds, it leads electrical pillar, cooperation between wire and the electrical drainage forms series circuit, be convenient for arbitrary one in the power unit break down can both be quick inside the access bypass, can guarantee power unit's normal operating when convenient to connect.

However, when the device is actually used, an effective device for fixing the movable plate is not arranged, and when the device is actually used, the movable plate and the static plate are difficult to be attached, so that poor contact of the conductive bar on the movable plate and the static plate is caused, the movable plate can move due to mistaken collision of workers, and the safety is low during use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists among the background art, provide a can carry out the bypass device of the current-sharing high-voltage inverter power unit who fixes to the movable plate.

The technical scheme of the utility model: a bypass device of a power unit of a current-sharing high-voltage frequency converter comprises a shell, a movable plate, a sliding plate, an installation block and a limiting column;

through holes are formed in the inner walls of the two transverse sides of the shell, and an opening is formed in the inner wall of the top of the shell; a fixed plate is arranged in the shell, a static plate is arranged on the front side of the fixed plate, and a copper column is arranged on the static plate; the movable plate is arranged on the inner wall of the bottom of the shell in a sliding mode, a copper sleeve is arranged on the movable plate, and the copper sleeve is located on one side, in the transverse direction, of the copper column; the sliding plate through opening is arranged on the upper surface of the movable plate, the sliding plate is connected with the shell in a sliding mode, and the sliding plate is provided with a limiting hole; the installation piece sets up on the casing, and spacing post setting is in the horizontal one side of installation piece, and spacing post runs through spacing hole, and the one end inside that the installation piece was kept away from to spacing post is provided with the cavity, is provided with the elastic component who is used for fixed slide in the cavity.

Preferably, the elastic component comprises a lifting block, a clamping block and a spring; the elevator slides and sets up on the horizontal both sides inner wall of cavity, and the fixture block runs through spacing capital portion and sets up on the elevator, fixture block and spacing post sliding connection, and the fixture block is located the horizontal one side that the installation piece was kept away from to the slide, and the spring setting is in the cavity, and the both ends of spring are connected with cavity bottom inner wall and elevator respectively.

Preferably, a sliding groove extending longitudinally is formed in the inner wall of one transverse side of the cavity, a sliding block is arranged on one transverse side of the lifting block and is connected with the limiting column in a sliding mode, and the sliding block is located in the sliding groove.

Preferably, the elastic assembly further comprises a shift lever; the cavity is provided with a side opening on the inner wall of one transverse side far away from the sliding groove, the shifting rod penetrates through the side opening and is arranged on the lifting block, and the shifting rod is connected with the lifting block in a sliding mode.

Preferably, the upper end of the clamping block is provided with a guide surface, and the guide surface is gradually inclined towards the direction close to the mounting block along the direction far away from the lifting block.

Preferably, be provided with the spacing groove on the casing bottom inner wall, the movable plate bottom is provided with the stopper, stopper and casing sliding connection, stopper are located the spacing inslot.

Preferably, the device also comprises a screw; the fixed plate is detachably connected with the shell and is fixed on the shell through screws.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model discloses during the use, the staff installs copper post and copper sheathing through two through-holes respectively with two sets of electric wires, and two sets of electric wires just can be through copper post and copper sheathing electric connection. In addition, the sliding plate can be prevented from moving easily by arranging the elastic component. If the sliding plate needs to be moved, the clamping block is pressed down firstly, and then the sliding plate moves rightwards. The device has higher safety and stronger practicability when in use.

Through setting up the driving lever, only if the restriction of fixture block to the slide needs to be cancelled, only need push down the driving lever can, convenient operation is simple.

Drawings

Fig. 1 is a partial cross-sectional view of an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Reference numerals are as follows: 1. a housing; 101. a through hole; 102. an opening; 103. a limiting groove; 2. a fixing plate; 3. a screw; 4. a stationary plate; 5. a copper pillar; 6. a movable plate; 601. a limiting block; 7. a copper sleeve; 8. a slide plate; 801. a limiting hole; 9. mounting blocks; 10. a limiting post; 1001. a cavity; 1002. a chute; 1003. a side port; 11. a lifting block; 1101. a slider; 12. a clamping block; 13. a spring; 14. a deflector rod.

Detailed Description

Example one

As shown in fig. 1-2, the utility model provides a bypass device of current-sharing high-voltage inverter power unit, including casing 1, screw 3, movable plate 6, slide 8, installation piece 9 and spacing post 10. Through holes 101 are formed in the inner walls of the two transverse sides of the shell 1, an opening 102 is formed in the inner wall of the top of the shell 1, and a limiting groove 103 is formed in the inner wall of the bottom of the shell 1. Be provided with fixed plate 2 in the

casing

1, 2 front sides of fixed plate are provided with quiet board 4, and fixed plate 2 can be dismantled with casing 1 and be connected, and fixed plate 2 passes through screw 3 to be fixed on casing 1, is provided with copper post 5 on the quiet board 4. The movable plate 6 is arranged on the inner wall of the bottom of the shell 1 in a sliding mode, the bottom of the movable plate 6 is provided with a limiting block 601, the limiting block 601 is connected with the shell 1 in a sliding mode, the limiting block 601 is located in the limiting groove 103, the movable plate 6 is provided with a copper bush 7, and the copper bush 7 is located on one side of the copper column 5 in the transverse direction. The sliding plate 8 is provided with a through opening 102 on the upper surface of the movable plate 6, the sliding plate 8 is connected with the housing 1 in a sliding manner, and the sliding plate 8 is provided with a limit hole 801. The installation piece 9 sets up on casing 1, and spacing post 10 sets up in the horizontal one side of installation piece 9, and spacing post 10 runs through spacing hole 801, and spacing post 10 keeps away from the inside cavity 1001 that is provided with of one end of installation piece 9, is provided with on the horizontal one side inner wall of cavity 1001 along longitudinally extending's spout 1002, is provided with the elastic component who is used for fixed slide 8 in the cavity 1001.

As shown in fig. 1-2, the elastic assembly includes a lifting block 11, a latch 12, and a spring 13. The lifting block 11 is arranged on the inner walls of the two transverse sides of the cavity 1001 in a sliding mode, a sliding block 1101 is arranged on one transverse side of the lifting block 11, the sliding block 1101 is connected with a limiting column 10 in a sliding mode, the sliding block 1101 is located in a sliding groove 1002, a clamping block 12 penetrates through the top of the limiting column 10 and is arranged on the lifting block 11, the clamping block 12 is connected with the limiting column 10 in a sliding mode, the clamping block 12 is located on one transverse side, away from the mounting block 9, of the sliding plate 8, a guide surface is arranged at the upper end of the clamping block 12, the guide surface inclines towards the direction close to the mounting block 9 gradually along the direction away from the lifting block 11, the spring 13 is arranged in the cavity 1001, and the two ends of the spring 13 are connected with the inner wall of the bottom of the cavity 1001 and the lifting block 11 respectively.

When this embodiment uses, the staff installs copper post 5 and copper sheathing 7 through two through-holes 101 respectively with two sets of electric wires, and two sets of electric wires just can be through copper post 5 and copper sheathing 7 electric connection. In addition, the sliding plate 8 can be prevented from easily moving by arranging the elastic component. If the sliding plate 8 needs to be moved, the clamping block 12 is pressed down first, and then the sliding plate 8 is moved rightwards. The device has higher safety and stronger practicability when in use.

Example two

As shown in fig. 2, compared to the first embodiment, the elastic component of the present embodiment further includes a shift lever 14. A side opening 1003 is formed in the inner wall of one transverse side of the cavity 1001, which is far away from the sliding groove 1002, a shifting rod 14 penetrates through the side opening 1003 and is arranged on the lifting block 11, and the shifting rod 14 is connected with the lifting block 11 in a sliding mode.

In the embodiment, by arranging the shift lever 14, only if the limitation of the fixture block 12 on the sliding plate 8 needs to be cancelled, the shift lever 14 needs to be pressed downwards, so that the operation is convenient and simple.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. A bypass device of a power unit of a current-sharing high-voltage frequency converter is characterized by comprising a shell (1), a movable plate (6), a sliding plate (8), an installation block (9) and a limiting column (10);

through holes (101) are formed in the inner walls of the two transverse sides of the shell (1), and an opening (102) is formed in the inner wall of the top of the shell (1); a fixed plate (2) is arranged in the shell (1), a static plate (4) is arranged on the front side of the fixed plate (2), and a copper column (5) is arranged on the static plate (4); the movable plate (6) is arranged on the inner wall of the bottom of the shell (1) in a sliding mode, a copper sleeve (7) is arranged on the movable plate (6), and the copper sleeve (7) is located on one side of the copper column (5) in the transverse direction; the sliding plate (8) penetrating opening (102) is formed in the upper surface of the movable plate (6), the sliding plate (8) is connected with the shell (1) in a sliding mode, and the sliding plate (8) is provided with a limiting hole (801); the mounting block (9) is arranged on the shell (1), the limiting column (10) is arranged on one side of the mounting block (9) in the transverse direction, the limiting column (10) penetrates through the limiting hole (801), a cavity (1001) is arranged in one end, far away from the mounting block (9), of the limiting column (10), and an elastic component used for fixing the sliding plate (8) is arranged in the cavity (1001).

2. The bypass device of the power unit of the current sharing type high voltage frequency converter according to claim 1, wherein the elastic component comprises a lifting block (11), a clamping block (12) and a spring (13); the lifting block (11) is arranged on the inner walls of the two transverse sides of the cavity (1001) in a sliding mode, the top of the limiting column (10) is arranged on the lifting block (11) in a penetrating mode through the fixture block (12), the fixture block (12) is connected with the limiting column (10) in a sliding mode, the fixture block is located on one transverse side, away from the installation block (9), of the sliding plate (8), the spring (13) is arranged in the cavity (1001), and the two ends of the spring (13) are connected with the inner wall of the bottom of the cavity (1001) and the lifting block (11) respectively.

3. The bypass device of the power unit of the current-sharing high-voltage frequency converter according to claim 2, wherein a sliding groove (1002) extending along the longitudinal direction is formed in the inner wall of one transverse side of the cavity (1001), a sliding block (1101) is arranged on one transverse side of the lifting block (11), the sliding block (1101) is slidably connected with the limiting column (10), and the sliding block (1101) is located in the sliding groove (1002).

4. The bypass device for the power unit of the current-sharing high voltage inverter as claimed in claim 3, wherein the elastic assembly further comprises a driving lever (14); a side opening (1003) is formed in the inner wall of one transverse side, away from the sliding groove (1002), of the cavity (1001), a shifting rod (14) penetrates through the side opening (1003) to be arranged on the lifting block (11), and the shifting rod (14) is connected with the lifting block (11) in a sliding mode.

5. The bypass device of the power unit of the current sharing type high voltage inverter as claimed in claim 4, wherein the upper end of the clamping block (12) is provided with a guiding surface, and the guiding surface is gradually inclined towards the direction approaching the mounting block (9) along the direction away from the lifting block (11).

6. The bypass device of the power unit of the current-sharing high-voltage inverter according to claim 5, wherein a limiting groove (103) is formed on an inner wall of the bottom of the housing (1), a limiting block (601) is formed at the bottom of the movable plate (6), the limiting block (601) is slidably connected with the housing (1), and the limiting block (601) is located in the limiting groove (103).

7. The bypass device of the power unit of the current-sharing high voltage frequency converter according to claim 6, further comprising a screw (3); the fixing plate (2) is detachably connected with the shell (1), and the fixing plate (2) is fixed on the shell (1) through a screw (3).