CN210272173U

CN210272173U - Vacuum arc extinguish chamber assembly

Info

Publication number: CN210272173U
Application number: CN201921528552.4U
Authority: CN
Inventors: 马成飞; 蔡平; 万加飞
Original assignee: JIANGSU DAQO HIGH VOLTAGE SWITCHGEAR CO Ltd
Current assignee: JIANGSU DAQO HIGH VOLTAGE SWITCHGEAR CO Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-04-07
Anticipated expiration: 2029-09-16

Abstract

The utility model provides a vacuum interrupter assembly relates to a vacuum circuit breaker, especially relates to an improvement vacuum interrupter and assembly for outdoor circuit breaker, belongs to electrical equipment technical field. The utility model provides a vacuum interrupter assembly includes vacuum interrupter, fixed plate, flexible coupling, moves current conducting plate, fixed bolster and insulating box, vacuum interrupter's quiet end still is provided with the stopper, vacuum interrupter moves the end and passes through the fixed plate with flexible coupling's one end and be connected, flexible coupling's the other end with move the current conducting plate and be connected. The utility model has the advantages that: on the basis of satisfying all electrical parameters, compare with the assembly of traditional outdoor circuit breaker vacuum interrupter, use the stopper to replace static current conducting plate, use the fixed plate to replace electrically conductive clamp for assembly efficiency improves, and the cost is lower, improves the competitive advantage of product.

Description

Vacuum arc extinguish chamber assembly

Technical Field

The utility model provides a vacuum interrupter assembly relates to a vacuum circuit breaker, especially relates to an improvement vacuum interrupter and assembly for outdoor circuit breaker, belongs to electrical equipment technical field.

Background

With the acceleration of the pace of automatic construction of distribution networks in China, the demand of outdoor circuit breakers is rising year by year, and the traditional outdoor circuit breakers cannot meet the requirements of increasing assembly efficiency and insulation, so that the improvement of production efficiency, reduction of product cost and improvement of product competitiveness are particularly important on the premise of ensuring product quality. The utility model discloses an improve vacuum interrupter and assemble and be equipped with the purpose that reaches improvement production efficiency, reduction circuit breaker cost.

Traditional vacuum interrupter assembly includes traditional circuit breaker static and conductive plate, traditional circuit breaker vacuum interrupter, traditional circuit breaker electrically conductive clamp, traditional circuit breaker flexible coupling, moves the current conducting plate, insulating box and fixed bolster. The static current conducting plate of the traditional circuit breaker and the vacuum arc extinguish chamber of the traditional circuit breaker are arranged in the insulating box through a fixed bracket. The traditional circuit breaker vacuum arc extinguish chamber is connected with the traditional circuit breaker static current conducting plate and is arranged in a limiting groove at one end of the insulating box. The one end and the electrically conductive clamp of traditional circuit breaker flexible coupling are connected, and the electrically conductive clamp of traditional circuit breaker moves the end through bolt fastening traditional circuit breaker vacuum interrupter, and the other end of traditional circuit breaker flexible coupling passes through the bolt and moves the current conducting plate fixed mounting in the spacing inslot of insulating box opposite side.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provided a vacuum interrupter assembly for outdoor circuit breaker.

The utility model provides a vacuum interrupter assembly, includes vacuum interrupter, flexible coupling, moves current conducting plate, fixed bolster and insulating box, still is provided with the fixed plate, the one end of flexible coupling with move the current conducting plate and be connected, the other end of flexible coupling and vacuum interrupter move the end and pass through the fixed plate and be connected.

Preferably, the movable end of the vacuum arc-extinguishing chamber and one end of the flexible connection form an end face lap joint through a fixing plate.

Preferably, the quiet end of vacuum interrupter still is provided with the stopper, the stopper is connected with the quiet end of vacuum interrupter.

Preferably, the limiting block is a hollow cube with four corners cut by an edge milling machine.

Preferably, the flexible connection is mounted in a fixed bracket.

Preferably, the fixed support, the vacuum arc-extinguishing chamber and the limiting block are arranged in the insulating box.

Preferably, a graphene layer is attached to the surface of the dynamic and conductive plate.

Preferably, the insulating box is provided with a vacuum-pumping interface.

Compared with the prior art, the utility model, it is showing the advantage and is: on the basis of satisfying the experimental electrical parameter of all types, compare with the assembly of traditional outdoor circuit breaker vacuum interrupter and lacked the quiet current conducting plate of the quiet end of explosion chamber and with the electrically conductive clamp that the flexible coupling is fixed mutually, assembly efficiency and the insulating effect of product have obtained effective improvement, have practiced thrift purchasing cost simultaneously, have improved the competitive advantage of product greatly.

Drawings

Fig. 1 is a schematic structural diagram of the assembly of the vacuum arc-extinguishing chamber of the present invention;

fig. 2 is a schematic structural diagram of the vacuum arc-extinguishing chamber of the present invention;

FIG. 3 is a schematic structural view of the vacuum interrupter of the present invention connected in a flat milling manner at the stationary end;

FIG. 4 is a schematic structural view of a conventional vacuum interrupter assembly;

fig. 5 is a schematic structural view of a conventional vacuum interrupter.

The reference numerals in the figures denote the following meanings: 1. a limiting block; 2. a vacuum arc-extinguishing chamber; 3. a fixing plate; 4. soft connection; 5. a movable conductive plate; 6. an insulating case; 7. fixing a bracket; 8 conventional circuit breaker static conductive plates; 9. a conventional circuit breaker vacuum interrupter; 10. conventional circuit breaker conductive clips; 11. the traditional circuit breaker is in flexible connection; 12. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 and 2.

The utility model provides a vacuum interrupter assembly, includes stopper 1, vacuum interrupter 2, fixed plate 3, flexible coupling 4, moves current-conducting plate 5, insulating box 6 and fixed bolster 7. The limiting block 1 is an insulating plastic part, is integrally installed with the vacuum arc-extinguishing chamber 2, and is installed at the static end of the limiting groove of the insulating box 6, as shown in fig. 1, on the right side of the limiting groove of the insulating box 6. The limiting block 1 is arranged at the static end of the vacuum arc-extinguishing chamber in a flat milling mode. The connecting structure adopting the flat milling mode is shown in fig. 3, and four corners of a hollow cube are cut by an edge milling machine to form 4 circular arcs.

The vacuum arc-extinguishing chamber 2 is arranged in the insulating box 6 through a fixed bracket 7. One end of the flexible connection 4 forms end face lap joint with the movable end of the vacuum arc extinguish chamber 2 through the fixed plate 3, and the other end of the flexible connection 4 is fixedly arranged in an insulation box limiting groove through a bolt and a movable conductive plate 5, as shown in figure 1, the left side of the limiting groove of an insulation box 6.

Fig. 3 is a schematic structural diagram of a conventional vacuum interrupter assembly, which includes a conventional circuit breaker static conductive plate 8, a conventional circuit breaker vacuum interrupter 9, a conventional circuit breaker conductive clip 10, a conventional circuit breaker flexible connection 11, a movable conductive plate 5, an insulating box 6 and a fixed bracket 7. A conventional circuit breaker static conductive plate 8 and a conventional circuit breaker vacuum interrupter 9 are mounted in the insulating case 6 by a fixing bracket 7. Traditional circuit breaker vacuum interrupter 9 is connected with traditional circuit breaker static and conductive board 8, sets up in the spacing inslot of insulating box 6 one end, and the connected mode is as shown in fig. 5, promptly through bolt 12 fixed connection traditional circuit breaker static and conductive board 8 and traditional circuit breaker vacuum interrupter 9.

Claims

1. The utility model provides a vacuum interrupter assembly, includes vacuum interrupter (2), flexible coupling (4), moves current conducting plate (5), fixed bolster (7) and insulating box (6), its characterized in that still is provided with fixed plate (3), the one end of flexible coupling (4) with move current conducting plate (5) and be connected, the other end of flexible coupling (4) is held with moving of vacuum interrupter (2) and is passed through fixed plate (3) and be connected.

2. A vacuum interrupter assembly according to claim 1, characterized in that the movable end of the vacuum interrupter (2) forms an end lap with one end of the flexible connection (4) through the fixed plate (3).

3. A vacuum interrupter assembly according to claim 1, characterized in that the stationary end of the vacuum interrupter (2) is further provided with a stopper (1), and the stopper (1) is connected to the stationary end of the vacuum interrupter (2).

4. Vacuum interrupter assembly according to claim 3, characterized in that the stopper (1) is a hollow cube with four corners cut by an edge milling machine.

5. A vacuum interrupter assembly according to claim 1, characterized in that the flexible connection (4) is mounted in a fixed bracket (7).

6. A vacuum interrupter assembly according to claim 1 wherein the fixing bracket (7), the vacuum interrupter (2) and the limiting block (1) are mounted in an insulating box.

7. Vacuum interrupter assembly according to claim 1, characterized in that a graphene layer is attached to the surface of the moving and conducting plate (5).

8. Vacuum interrupter assembly according to claim 1, characterized in that the insulating box (6) is provided with a vacuum interface.