CN207134290U - A kind of single-phase Fast Speed Vacuum Circuit Breaker - Google Patents
A kind of single-phase Fast Speed Vacuum Circuit Breaker Download PDFInfo
- Publication number
- CN207134290U CN207134290U CN201721056632.5U CN201721056632U CN207134290U CN 207134290 U CN207134290 U CN 207134290U CN 201721056632 U CN201721056632 U CN 201721056632U CN 207134290 U CN207134290 U CN 207134290U
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- arc
- chutes
- main shaft
- permanent magnet
- pull bar
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Abstract
The utility model discloses a kind of single-phase Fast Speed Vacuum Circuit Breaker, by permanent magnet mechanism, linkage and fire extinguishing room composition, described permanent magnet mechanism is by the closing coil that is sequentially connected with, repulsion coil, driving coil forms, described linkage by, main shaft, connecting rod, pull bar, connecting lever forms, described connecting rod one end is connected with permanent magnet mechanism, the other end is connected with main shaft, main shaft is connected with pull bar, contact spring is provided between main shaft and pull bar, pull bar is connected with connecting lever, described connecting lever is connected by movable bolt with the insulated tension pole in arc-chutes, arc-chutes top is provided with upper conducting block, bottom is provided with the lower conducting block on arc-chutes that is flexible coupling.The utility model uses single phase design, controlled respectively, can exactly select in current zero-crossing point switching, avoid causing switching overvoltage.
Description
Technical field
It the utility model is related to a kind of single-phase Fast Speed Vacuum Circuit Breaker.
Background technology
Existing power network scale is increasing, and an accidental failure is possible to threaten the safe for operation of power network；Quickly
Failure is cut off, can effectively reduce influence of the failure to power network, avoid accident from further expanding；Conventional vacuum Circuit Breaker Switching
During capacitor bank, the three characteristics of the middle term links and actuation time is unstable, can not be in current over-zero, therefore switched capacitor group is easily to electricity
Net produces impact, causes switching overvoltage.
The content of the invention
In order to make up drawbacks described above, the utility model is on the basis of existing technology, there is provided a kind of single-phase fast vacuum
Breaker, using single phase design, respectively control, can exactly select in current zero-crossing point switching, avoid causing operating electricity
Pressure.
The technical solution of the utility model is：A kind of single-phase Fast Speed Vacuum Circuit Breaker, by permanent magnet mechanism, linkage and goes out
Arc chamber forms, it is characterised in that：Described permanent magnet mechanism is made up of the closing coil that is sequentially connected with, repulsion coil, driving coil,
Described linkage by, main shaft, connecting rod, pull bar, connecting lever form, described connecting rod one end is connected with permanent magnet mechanism, the other end
It is connected with main shaft, main shaft is connected with pull bar, and contact spring is provided between main shaft and pull bar, and pull bar is connected with connecting lever, described connecting lever
It is connected by movable bolt with the insulated tension pole in arc-chutes, arc-chutes top is provided with upper conducting block, and bottom, which is provided with, to be flexible coupling
Lower conducting block on arc-chutes.
Closing coil described in the utility model and repulsion coil are fixed on the top of permanent magnet mechanism, described driving coil
Be fixed on the bottom of permanent magnet mechanism, described closing coil and repulsion coil and driving coil separately constitute switching current loop and
Separating brake current loop.
Upper electric conductor described in the utility model and lower electric conductor are integrated by epoxy resin and arc-chutes cast.
Completely by poured with epoxy resin together, this structure is avoided that including outer the utility model breaker current-carrying part
Influence of the external factor such as power impact, filthy environment to vacuum interrupter.Breaker body is arranged on circuit breaker frame rear portion, with
Novel mechanism is connected into an entirety, and mechanism and the front and rear arrangement of current-carrying part can effectively reduce the height of breaker, save space.
After breaker closing, main circuit current path：
Operation principle of the present utility model：
1. making process：Closing coil in mechanism is powered, and under the action of a magnetic force, connecting rod drives main shaft along counterclockwise
Direction rotates, and drives arc-chutes conducting rod to move upwards by pull bar, connecting lever, insulated tension pole, to after closing position, is closed by mechanism
Arc-chutes are maintained at closing position by lock confining force；
2. separating brake process：Repulsion coil, driving coil in mechanism is powered, connects in the presence of magnetic field repulsive force and contact spring
Bar drives main shaft to be rotated in the clockwise direction, and drives the conducting rod of arc-chutes 4 to move downward by pull bar, connecting lever, insulated tension pole, leans on
Arc-chutes are maintained at open position by mechanism separating brake confining force, during separating brake as caused by repulsion coil, driving coil repulsion
To allow mechanical unlocking, actuation time is short between 3-5ms.
The utility model has the advantage that compared with existing product：1st, the utility model optimizes existing permanent magnet mechanism, subtracts
Small size and number of parts, improve the combined floodgate reliability and accuracy of action of mechanism；
2. the utility model combines the permanent magnet mechanism after improving, increase driving coil, repulsion coil are used for mechanism separating brake, from
And form novel mechanism；
3. the single-phase fast chopper of the utility model closes a floodgate, impact is big, and common arc-chutes easily deform, and develop new
Vacuum interrupter, Similar Problems are avoided to occur.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Embodiment
The present embodiment is further described below in conjunction with the accompanying drawings：
A kind of single-phase Fast Speed Vacuum Circuit Breaker, it is made up of permanent magnet mechanism, linkage and arc-chutes 3, it is characterised in that：Institute
The permanent magnet mechanism stated is made up of the closing coil 14 that is sequentially connected with, repulsion coil 15, driving coil 16, described linkage by
Main shaft 12, connecting rod 13, pull bar 9, connecting lever 8 are formed, and described one end of connecting rod 13 is connected with permanent magnet mechanism, and the other end connects with main shaft 12
Connect, main shaft 12 is connected with pull bar 9, and contact spring 10 is provided between main shaft 12 and pull bar 9, and pull bar 9 is connected with connecting lever 8, and described turns
Arm 8 is connected by movable bolt 7 with the insulated tension pole 6 in arc-chutes 3, and the top of arc-chutes 3 is provided with upper conducting block 1, and bottom is provided with
Be flexible coupling the lower conducting block 5 on arc-chutes 3.
Closing coil 14 described in the utility model and repulsion coil 15 are fixed on the top of permanent magnet mechanism, described driving
Coil 16 is fixed on the bottom of permanent magnet mechanism, and described closing coil 14, repulsion coil 15 and driving coil 16 separately constitute conjunction
Brake current loop and separating brake current loop.
Upper electric conductor 1 described in the utility model and lower electric conductor 5 are integrated by epoxy resin and the cast of arc-chutes 3.
Completely by poured with epoxy resin together, this structure is avoided that including outer the utility model breaker current-carrying part
Influence of the external factor such as power impact, filthy environment to vacuum interrupter.Breaker body is arranged on circuit breaker frame rear portion, with
Novel mechanism is connected into an entirety, and mechanism and the front and rear arrangement of current-carrying part can effectively reduce the height of breaker, save space.
Operation principle of the present utility model：
1. making process：Closing coil 14 in mechanism is powered, and under the action of a magnetic force, connecting rod 13 drives the edge of main shaft 12
Rotate in an anti-clockwise direction, drive the conducting rod of arc-chutes 4 to move upwards by pull bar 9, connecting lever 8, insulated tension pole 6, to closing position
Afterwards, arc-chutes are maintained at closing position by mechanism closing retention force；
2. separating brake process：Repulsion coil 15, driving coil 16 in mechanism is powered, in magnetic field repulsive force and the work of contact spring 12
Drive main shaft 12 to be rotated in the clockwise direction with lower link 13, drive arc-chutes 4 conductive by pull bar 9, connecting lever 8, insulated tension pole 6
Bar is moved downward, and arc-chutes are maintained at into open position by mechanism separating brake confining force.
3. the repulsion caused by repulsion coil 15, driving coil 16 allows mechanical unlocking during separating brake, actuation time is short
Between 3-5ms.
Claims (3)
1. a kind of single-phase Fast Speed Vacuum Circuit Breaker, is made up of permanent magnet mechanism, linkage and arc-chutes, it is characterised in that：It is described
Permanent magnet mechanism be made up of the closing coil that is sequentially connected with, repulsion coil, driving coil, described linkage is by, main shaft, company
Bar, pull bar, connecting lever composition, described connecting rod one end are connected with permanent magnet mechanism, and the other end is connected with main shaft, and main shaft connects with pull bar
Connect, contact spring is provided between main shaft and pull bar, pull bar is connected with connecting lever, and described connecting lever passes through in movable bolt and arc-chutes
Insulated tension pole connects, and arc-chutes top is provided with upper conducting block, and bottom is provided with the lower conducting block on arc-chutes that is flexible coupling.
A kind of 2. single-phase Fast Speed Vacuum Circuit Breaker according to claim 1, it is characterised in that：Described closing coil and reprimand
Line of force circle is fixed on the top of permanent magnet mechanism, and described driving coil is fixed on the bottom of permanent magnet mechanism, described closing coil
Switching current loop and separating brake current loop are separately constituted with repulsion coil and driving coil.
A kind of 3. single-phase Fast Speed Vacuum Circuit Breaker according to claim 1 or 2, it is characterised in that：Described upper conducting block
It is integrated with lower conducting block by epoxy resin and arc-chutes cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056632.5U CN207134290U (en) | 2017-08-23 | 2017-08-23 | A kind of single-phase Fast Speed Vacuum Circuit Breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056632.5U CN207134290U (en) | 2017-08-23 | 2017-08-23 | A kind of single-phase Fast Speed Vacuum Circuit Breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134290U true CN207134290U (en) | 2018-03-23 |
Family
ID=61635601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721056632.5U Active CN207134290U (en) | 2017-08-23 | 2017-08-23 | A kind of single-phase Fast Speed Vacuum Circuit Breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207134290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233082A (en) * | 2019-06-27 | 2019-09-13 | 瑞熙恩电气（珠海）有限公司 | Permanent magnetic vacuum breaker and gas-filling cabinet |
| CN114141590A (en) * | 2021-11-13 | 2022-03-04 | 安徽徽电科技股份有限公司 | Medium voltage circuit breaker |
-
2017
- 2017-08-23 CN CN201721056632.5U patent/CN207134290U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233082A (en) * | 2019-06-27 | 2019-09-13 | 瑞熙恩电气（珠海）有限公司 | Permanent magnetic vacuum breaker and gas-filling cabinet |
| CN110233082B (en) * | 2019-06-27 | 2024-02-20 | 瑞熙恩电气（珠海）有限公司 | Permanent magnet vacuum circuit breaker and inflatable cabinet |
| CN114141590A (en) * | 2021-11-13 | 2022-03-04 | 安徽徽电科技股份有限公司 | Medium voltage circuit breaker |
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