CN211788796U

CN211788796U - Vacuum circuit breaker dual-power pole

Info

Publication number: CN211788796U
Application number: CN202020518536.3U
Authority: CN
Inventors: 冯建兴; 王叶生; 姚瑞灿
Original assignee: XIAMEN XEC ELECTRIC CO Ltd
Current assignee: XIAMEN XEC ELECTRIC CO Ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-10-27
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a vacuum circuit breaker dual supply utmost point post, including setting up A, B, C three-phase solid utmost point post that seals in circuit breaker box one side, every looks solid utmost point post that seals includes the inlet wire, goes out the line down and the middle extremely line, goes out line formation first return circuit in the upper wire and the middle, goes out line formation second return circuit in lower inlet wire and the middle, goes up the inlet wire and is equipped with vacuum interrupter respectively with lower inlet wire, and vacuum interrupter passes through insulating pull rod and realizes first return circuit or second return circuit intercommunication or disconnection with the clamp plate swing joint that circuit breaker box is internal to correspond. The utility model discloses use when dual supply distribution, reduced the quantity that sets up of output, have advantages such as rational in infrastructure, compact structure.

Description

Vacuum circuit breaker dual-power pole

Technical Field

The utility model discloses a vacuum circuit breaker dual supply utmost point post belongs to circuit breaker manufacturing technology field according to international patent classification table (IPC) division.

Background

The pole of the existing vacuum circuit breaker generally comprises a vertical column body, an upper wiring connection end and a lower wiring end, and forms a main loop with a single power supply and a load; when the distribution dual supply, need two sets of cubical switchboard that include the circuit breaker to form two electrical power generating system, the wiring is complicated, and occupation space is big, and the security performance is poor.

Chinese document CN207302960U discloses an embedded pole and a dual power transfer switch, in which the embedded pole includes a pole body, three side-out contact arms formed at the same side or different sides and the middle of the pole body at intervals, vacuum bubbles are respectively disposed in the pole body between two adjacent contact arms, and the embedded pole in the document is not combined with a mechanism.

Disclosure of Invention

The utility model provides a vacuum circuit breaker dual supply utmost point post, through the design that two advance one, realize the dual supply distribution structure of circuit breaker to the not enough of prior art.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a vacuum circuit breaker dual supply utmost point post, includes that the A, B, C three-phase that sets up in circuit breaker box one side seals utmost point post admittedly, and every looks seals utmost point post admittedly and includes the inlet wire, goes out the line down and the middle line of being qualified for the next round of competitions, goes out the line and forms first return circuit with the middle line of being qualified for the next round of competitions in the upper lead and, and lower inlet wire is equipped with vacuum interrupter respectively with lower inlet wire, and vacuum interrupter passes through insulating pull rod and the interior clamp plate swing joint who corresponds of circuit breaker box and realizes.

Furthermore, one end of a pressing plate is hinged to the box body of the circuit breaker, the other end of the pressing plate is connected with an operating mechanism of the circuit breaker, and the pressing plate drives an insulating pull rod to horizontally move to realize the closing or separation of the moving contact and the static contact of the vacuum arc extinguish chamber.

Furthermore, the insulating pull rod is connected with the pressing plate through the adjustable support pin, so that the pressing plate rotates and is converted into the horizontal displacement of the insulating pull rod.

Furthermore, the vacuum arc extinguish chamber is horizontally arranged, a moving contact and a static contact are arranged in the vacuum arc extinguish chamber, wherein the moving contact is connected with a conducting rod, and the conducting rod is connected with an insulating pull rod.

Furthermore, a vertical connecting wire is arranged between the upper incoming wire and the lower incoming wire, the connecting wire is connected with the middle outgoing wire, and connecting terminals, such as a contact in the plum blossom village, are formed at the end parts of the upper incoming wire, the lower incoming wire and the middle outgoing wire.

Furthermore, the upper incoming line and the lower incoming line are electrically connected with a connecting line through flexible connection, and the connecting line is a conductor or a conductive rod.

Furthermore, the upper incoming line, the lower incoming line and the middle outgoing line of each phase of the solid-sealed polar pole are cast into a whole by epoxy resin.

The utility model discloses following beneficial effect has:

1. the utility model discloses use when dual supply distribution, reduced the quantity that sets up of output, will seal the shared space of utmost point post admittedly and compress, have advantages such as rational in infrastructure, compact structure.

2. The utility model discloses vacuum interrupter level sets up, with the cooperation around the circuit breaker box, rotates the clamp plate that is connected operating device and changes the disconnected horizontal displacement of vacuum interrupter into, convenient operation.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention.

Fig. 2 is a top view of an embodiment of the present invention.

Fig. 3 is a side view of an embodiment of the present invention.

Fig. 4 is an internal schematic view of an electrode column according to an embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example (b): referring to fig. 1 to 4, a dual-power pole of a vacuum circuit breaker includes A, B, C three-phase solid-sealed poles arranged on one side of a breaker box body 1, each phase of solid-sealed pole includes an upper incoming line 2, a lower incoming line 3 and a middle outgoing line 4, the upper incoming line 2 and the middle outgoing line 4 form a first loop, the lower incoming line 3 and the middle outgoing line 4 form a second loop, the upper incoming line 2 and the lower incoming line 3 are respectively provided with a vacuum arc-extinguishing chamber 61, and the vacuum arc-extinguishing chamber 61 is movably connected with a corresponding pressing plate 12 in the breaker box body through an insulating pull rod 62 to realize the connection or disconnection of the first loop or the second loop. One end of a pressing plate 12 is hinged on the breaker box body 1, the other end of the pressing plate 12 is connected with a breaker operating mechanism, and the pressing plate 12 drives the insulating pull rod 62 to horizontally move to realize the closing or separation of the moving contact and the static contact of the vacuum arc-extinguishing chamber. The insulating pull rod 62 is connected with the pressure plate 12 through an adjustable support pin, so that the rotation of the pressure plate is converted into the horizontal displacement of the insulating pull rod. The vacuum arc extinguish chamber 61 is horizontally arranged, a moving contact and a static contact are arranged in the vacuum arc extinguish chamber 61, wherein the moving contact is connected with a conducting rod 63, and the conducting rod 63 is connected with an insulating pull rod 62. A vertical connecting wire 5 is arranged between the upper incoming wire 2 and the lower incoming wire 3, the connecting wire 5 is connected with the middle outgoing wire 4, and the end parts of the upper incoming wire 2, the lower incoming wire 3 and the middle outgoing wire 4 are provided with wiring terminals 10, such as plum blossom village contacts and the like. The upper incoming line 2 and the lower incoming line 3 are electrically connected with a connecting line 5 through a flexible connection 64, and the connecting line is a conductor or a conductive rod. The utility model discloses well every looks solid last inlet wire 2, lower inlet wire 3 and the middle 4 of being qualified for the next round of competitions of sealing utmost point post are as an organic whole by the epoxy pouring.

The utility model discloses gu seal utmost point post and include the business turn over line design in body and it, with the every looks electricity of traditional circuit breaker one advance one and go out utmost point post, improve into two and advance one utmost point post structures that go out, use when dual power distribution, reduced the quantity that sets up of output, broken through the design that needs 12 binding post in the past, will gu seal the shared space of utmost point post and compress, reduce the cubical switchboard volume greatly.

The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.

Claims

1. The utility model provides a vacuum circuit breaker dual supply utmost point post which characterized in that: including setting up A, B, C three-phase solid utmost point post that seals on one side of the circuit breaker box, every looks solid utmost point post that seals includes last inlet wire, lower inlet wire and middle the being qualified for the next round of competitions, goes out the line and forms first return circuit with the centre on going up the inlet wire, goes out the line with the centre down and forms the second return circuit, goes up the inlet wire and is equipped with vacuum interrupter with lower inlet wire respectively, and vacuum interrupter realizes first return circuit or second return circuit intercommunication or disconnection through insulating pull rod and the interior clamp plate swing joint who corresponds of circuit breaker.

2. The dual-power pole of the vacuum circuit breaker according to claim 1, characterized in that: one end of the pressing plate is hinged on the box body of the circuit breaker, the other end of the pressing plate is connected with the operating mechanism of the circuit breaker, and the pressing plate drives the insulating pull rod to horizontally move to realize the closing or separation of the moving contact and the static contact of the vacuum arc-extinguishing chamber.

3. The dual-power pole of the vacuum circuit breaker according to claim 1, characterized in that: the insulating pull rod is connected with the pressing plate through the adjustable support pin, so that the pressing plate rotates and is converted into the horizontal displacement of the insulating pull rod.

4. The dual-power pole of the vacuum circuit breaker according to claim 1, characterized in that: the vacuum arc extinguish chamber is horizontally arranged, a moving contact and a static contact are arranged in the vacuum arc extinguish chamber, wherein the moving contact is connected with a conducting rod, and the conducting rod is connected with an insulating pull rod.

5. The dual-power pole of the vacuum circuit breaker according to one of claims 1 to 4, characterized in that: a vertical connecting wire is arranged between the upper incoming wire and the lower incoming wire and connected with the middle outgoing wire, and connecting terminals are formed at the end parts of the upper incoming wire, the lower incoming wire and the middle outgoing wire.

6. The dual-power pole of the vacuum circuit breaker according to claim 5, characterized in that: the upper incoming line and the lower incoming line are electrically connected with a connecting wire through flexible connection, and the connecting wire is a conductor or a conductive rod.

7. The dual-power pole of the vacuum circuit breaker as claimed in claim 1, 2, 3, 4 or 6, wherein: the upper incoming line, the lower incoming line and the middle outgoing line of each phase of the solid-sealed polar pole are cast into a whole by epoxy resin.