CN207458838U - A kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker - Google Patents
A kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker Download PDFInfo
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- CN207458838U CN207458838U CN201721482457.6U CN201721482457U CN207458838U CN 207458838 U CN207458838 U CN 207458838U CN 201721482457 U CN201721482457 U CN 201721482457U CN 207458838 U CN207458838 U CN 207458838U
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Abstract
The utility model is related to a kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker, belong to the technical field of cabinet.The breaker includes：Permanent magnet, insulated tension pole, vacuum interrupter, screw rod, small screw, outstanding ferropexy connection in the top and permanent magnet of screw rod, the bottom of screw rod is threadedly coupled with the top of insulated tension pole, the bottom of insulated tension pole is fixedly connected with the top of small screw, the bottom of small screw and the screw top of vacuum interrupter connect, permanent magnet, screw rod, the permanent magnet mechanism of insulated tension pole composition is not required on/off switch spring and mechanical chain that the breaking-closing operating of breaker can be realized, the holding function of mechanism terminal location is realized using permanent magnet, eliminate traditional mechanical release device mechanical lock buckle device, reduce circuit breaker failure source, the circuit breaker failure triggered by mechanical chain failure is avoided while cost is greatly reduced, enhance the reliability of breaker, reduce the maintenance rate of permanent-magnet breaker.
Description
Technical field
The utility model is related to a kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker, the technology for belonging to cabinet is led
Domain.
Background technology
The permanent-magnet breaker of SF6 gas-insulated ring network cabinets is set in the gas tank filled with SF6 gases, being made using SF6 gases
For arc extinguishing and dielectric permanent-magnet breaker is isolated from the outside and plays the role of moisture-proof dust-proof antirust, permanent magnetism can be improved
The service life of breaker.Permanent-magnet breaker usually realizes the breaking-closing operating of breaker, this biography by spring operating mechanism
The on/off switch realization method of system needs the cooperation of mechanical chain, there are the on/off switch time is longer, work efficiency is not high, performance can not
By the defects of, the defects of mechanical chain easy break-down, adds the maintenance rate of permanent-magnet breaker.
Utility model content
The goal of the invention of the utility model is the deficiency for above-mentioned background technology, provides a kind of SF6 gas-insulateds ring
Net cabinet permanent-magnet breaker is not required on/off switch spring and mechanical chain that the breaking-closing operating of breaker can be realized, solves
The existing SF6 gas-insulated ring networks cabinet permanent-magnet breaker on/off switch time is longer, work efficiency is not high, the insecure technology of performance is asked
Topic.
The utility model adopts the following technical scheme that for achieving the above object：
A kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker, including：Permanent magnet, insulated tension pole, vacuum interrupter, screw rod,
Small screw, the outstanding ferropexy connection in the top and permanent magnet of the screw rod, the bottom of screw rod and the top screw thread of insulated tension pole
Connection, the bottom of insulated tension pole are fixedly connected with the top of small screw, the bottom of small screw and the screw top of vacuum interrupter
Connection.
As the further prioritization scheme of SF6 gas-insulated ring network cabinet permanent-magnet breakers, permanent-magnet breaker further includes：It is sleeved on
The synchronization blocks coordinated on screw rod and with screw clearance, the connecting lever being set on synchronizing shaft, connecting lever and synchronization blocks axis connection.
As the further prioritization scheme of SF6 gas-insulated ring network cabinet permanent-magnet breakers, permanent-magnet breaker further includes side plate,
Permanent magnet, vacuum interrupter are fixedly connected with side plate.
As the further prioritization scheme of SF6 gas-insulated ring network cabinet permanent-magnet breakers, permanent magnet is by being fixed on it
The installing plate of bottom is fixedly connected with side plate.
As the further prioritization scheme of SF6 gas-insulated ring network cabinet permanent-magnet breakers, vacuum interrupter passes through socket
It limiting plate at the top of it and is fixed on the fixed plate of its bottom and is fixedly connected with side plate.
As a kind of further prioritization scheme of SF6 gas-insulated ring networks cabinet permanent-magnet breaker, permanent-magnet breaker also wraps
It includes and is sleeved on being flexible coupling on small screw, the faying surface being flexible coupling is pierced by from the through hole on side plate.
The utility model uses above-mentioned technical proposal, has the advantages that：
（1）On/off switch spring and mechanical chain is not required in permanent magnet, screw rod, the permanent magnet mechanism of insulated tension pole composition
It realizes the breaking-closing operating of breaker, the holding function of mechanism terminal location is realized using permanent magnet, eliminates traditional machine
Tool trip gear mechanical lock buckle device reduces circuit breaker failure source, is avoided while cost is greatly reduced because of machinery even
The circuit breaker failure that failure triggers is locked, enhances the reliability of breaker, reduces the maintenance rate of permanent-magnet breaker；
（2）The process of on/off switch realized by the movement of insulated tension pole, and moving component is few, intermediate conversion mechanism and connection machine
Structure is also seldom, reduces the dispersiveness and uncontrollability of actuation time, shortens the on/off switch time, improves the work of permanent-magnet breaker
Efficiency.
Description of the drawings
Fig. 1 is the front view of the application permanent-magnet breaker.
Fig. 2 is the top view of the application permanent-magnet breaker.
Fig. 3 is the stereogram of the application permanent-magnet breaker.
Fig. 4 is the annexation figure of screw rod, insulated tension pole, vacuum interrupter.
Figure label explanation：1st, screw rod, 2, synchronization blocks, 3, insulated tension pole, 4, be flexible coupling, 5, side plate, 6, fixed plate, 7, true
Empty arc-chutes, 8, limiting plate, 9, connecting lever, 10, synchronizing shaft, 11, installing plate, 12, permanent magnet, 13, small screw.
Specific embodiment
The technical solution of utility model is described in detail below in conjunction with the accompanying drawings.
This application involves SF6 gas-insulated ring network cabinets permanent-magnet breaker as shown in Figure 1, Figure 3, including：Permanent magnet 12, absolutely
Edge pull rod 3, vacuum interrupter 7, permanent magnet 12 are fixed on by being fixed on the installing plate 11 of its bottom on side plate 5, vacuum extinction
Room 7 is by being fixed on the fixed plate 6 of its bottom, the limiting plate 8 being socketed at the top of it is fixed on side plate 5, be cased on screw rod 1 with
The synchronization blocks 2 of its clearance fit are cased with synchronizing shaft connecting lever 9 on synchronizing shaft 10, and connecting lever 9 is linked by synchronization blocks 2 and screw rod 1, together
There is interlocking in the information for walking axis 10 and the instruction of looped network cabinet panel, looped network cabinet panel indicates the clockwise/counterclockwise state of synchronizing shaft
And then reflect the on/off switch state of breaker.As shown in Figure 2 and Figure 3, also it is socketed on small screw 13 and is flexible coupling 4, is flexible coupling 4
Faying surface is pierced by from the through hole on side plate 5, and 4 faying surface of being flexible coupling is connected with ring main unit busbar.
As shown in figure 4, the top of screw rod 1 is connected with the outstanding ferropexy in permanent magnet 12,1 bottom of screw rod be threaded into
The threaded connection of screw rod 1 and insulated tension pole 3, the bottom of insulated tension pole 3 and small spiral shell are realized in the disposed thread on 3 top of insulated tension pole
The top of bar 13 is fixedly connected, and small spiral shell is realized in being threaded into the disposed thread at 7 top of vacuum interrupter for 13 bottom of small screw
The threaded connection of bar 13 and vacuum interrupter 7, insulated tension pole 3 are internally provided with spring structure.
Permanent-magnet breaker is arranged in the gas tank filled with SF6 gases, and ring main unit uses air pressing type arc extinguishing structure, and switch is equipped with
Three major loops, permanent magnet 12 generate magnetic field by the power on circuitry of secondary extraction, and the circuital current direction difference of extraction causes
The magnetic field of generation is different, hangs iron and moves up and down so as to which screw rod 1 be driven to move up and down, the up and down motion of screw rod 1 can drive synchronization blocks 2
It moves up and down, so as to by connecting lever 9 10 positive/negative direction of synchronizing shaft be driven to rotate.There are interlocked ring mains unit panels with synchronizing shaft 10
Instruction the positive/negative of synchronizing shaft turns state so as to show breaker on/off switch state, and screw rod 1 moves up and down to drive insulated tension pole
3 move up and down, and insulated tension pole 3 controls the on/off switch of vacuum interrupter 7.When insulated tension pole 3 moves downward, spring is inside set because of quilt
The reversed elastic force that compressive strain generates ensures that vacuum interrupter 7 closes a floodgate completely；When insulated tension pole 3 moves upwards, inside set spring because
Be pulled to original state be pulled to again deformation generate pulling force ensure 7 separating brake of vacuum interrupter.
To sum up, permanent magnet, screw rod, the permanent magnet mechanism of insulated tension pole composition are not required on/off switch spring and the mechanical chain to be
The breaking-closing operating of breaker can be achieved, the holding function of mechanism terminal location is realized using permanent magnet, is eliminated traditional
Mechanical release device mechanical lock buckle device reduces circuit breaker failure source, is avoided while cost is greatly reduced because of machinery
The circuit breaker failure that cascading failure triggers enhances the reliability of breaker, reduces the maintenance rate of permanent-magnet breaker.On/off switch
Process realize that moving component is few, intermediate conversion mechanism and bindiny mechanism are also seldom, reduces dynamic by the movement of insulated tension pole
Make the dispersiveness and uncontrollability of time, shorten the on/off switch time, improve the work efficiency of permanent-magnet breaker.
Claims (6)
1. a kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker, which is characterized in that including：Permanent magnet（12）, insulated tension pole（3）、
Vacuum interrupter（7）, screw rod（1）, small screw（13）, the screw rod（1）Top and permanent magnet（12）In outstanding ferropexy connect
It connects, screw rod（1）Bottom and insulated tension pole（3）Top be threadedly coupled, insulated tension pole（3）Bottom and small screw（13）Top
End is fixedly connected, small screw（13）Bottom and vacuum interrupter（7）Screw top connection.
2. a kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker according to claim 1, which is characterized in that the permanent magnetism breaks
Road device further includes：It is sleeved on screw rod（1）Upper and and screw rod（1）The synchronization blocks of clearance fit（2）, be set in synchronizing shaft（10）On turn
Arm（9）, connecting lever（9）With synchronization blocks（2）Axis connection.
A kind of 3. SF6 gas-insulated ring networks cabinet permanent-magnet breaker according to claim 1 or claim 2, which is characterized in that the permanent magnetism
Breaker further includes side plate（5）, the permanent magnet（12）, vacuum interrupter（7）And side plate（5）It is fixedly connected.
A kind of 4. SF6 gas-insulated ring networks cabinet permanent-magnet breaker according to claim 3, which is characterized in that the permanent magnet
（12）By the installing plate for being fixed on its bottom（11）With side plate（5）It is fixedly connected.
5. a kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker according to claim 3, which is characterized in that the vacuum is gone out
Arc chamber（7）Pass through the limiting plate being socketed at the top of it（8）And it is fixed on the fixed plate of its bottom（6）With side plate（5）It is fixed to connect
It connects.
6. a kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker according to claim 3, which is characterized in that the permanent magnetism breaks
Road device, which further includes, is sleeved on small screw（13）On be flexible coupling（4）, it is flexible coupling（4）Faying surface from side plate（5）On through hole be pierced by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482457.6U CN207458838U (en) | 2017-11-09 | 2017-11-09 | A kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482457.6U CN207458838U (en) | 2017-11-09 | 2017-11-09 | A kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207458838U true CN207458838U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721482457.6U Active CN207458838U (en) | 2017-11-09 | 2017-11-09 | A kind of SF6 gas-insulated ring networks cabinet permanent-magnet breaker |
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| CN (1) | CN207458838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119286A (en) * | 2018-10-30 | 2019-01-01 | 宁波鑫鑫鑫寅电气有限公司 | Three-phase permanent is mining breaker |
| CN109166761A (en) * | 2018-08-31 | 2019-01-08 | 宁波耀华电气科技有限责任公司 | A kind of vacuum circuit breaker of gas cabinet |
-
2017
- 2017-11-09 CN CN201721482457.6U patent/CN207458838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166761A (en) * | 2018-08-31 | 2019-01-08 | 宁波耀华电气科技有限责任公司 | A kind of vacuum circuit breaker of gas cabinet |
| CN109119286A (en) * | 2018-10-30 | 2019-01-01 | 宁波鑫鑫鑫寅电气有限公司 | Three-phase permanent is mining breaker |
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