CN107123567A - A kind of bilateral of vacuum circuit breaker cut-offs technology - Google Patents
A kind of bilateral of vacuum circuit breaker cut-offs technology Download PDFInfo
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- CN107123567A CN107123567A CN201710455246.1A CN201710455246A CN107123567A CN 107123567 A CN107123567 A CN 107123567A CN 201710455246 A CN201710455246 A CN 201710455246A CN 107123567 A CN107123567 A CN 107123567A
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- bilateral
- moving electrode
- circuit breaker
- mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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Abstract
Technology is cut-off the present invention relates to a kind of vacuum circuit breaker, more particularly to a kind of bilateral of vacuum circuit breaker.It can reduce the operating work of operating mechanism and with high break performance.Including vacuum circuit breaker body；The vacuum circuit breaker body includes bilateral Ci Qu mechanisms, electrode system and bilateral main conductive circuit；The electrode system includes moving electrode component one and moving electrode component two；The bilateral Ci Qu mechanisms include Ci Qu mechanisms one and Ci Qu mechanisms two；The bilateral main conductive circuit includes main conductive circuit one and main conductive circuit two；The Ci Qu mechanisms one are connected with moving electrode component one, and driving moving electrode component one is closed a floodgate or separating brake by relative motion realization and moving electrode component two；The Ci Qu mechanisms two are connected with moving electrode component two, and driving moving electrode component two passes through relative motion realization and the combined floodgate or separating brake of moving electrode component one.
Description
Technical field
Technology is cut-off the present invention relates to a kind of vacuum circuit breaker, more particularly to a kind of bilateral of vacuum circuit breaker.
Background technology
Vacuum circuit breaker plays important control and protective effect in electrical power trans mission/distribution system, using extensive, especially in middle pressure
Field has overwhelming superiority.Traditional vacuum breaker is by conductive and arc quenching system, bellows, driving insulator and operating mechanism etc.
Composition, main conductive circuit static conductive rod, static contact, moving contact, moving conductive rod in vacuum bubbles are close with shell by bellows
Envelope, vacuum bubbles are outer to provide interior and extraneous leading circuit path by being flexible coupling.During vacuum circuit breaker operation, quiet sidepiece part is quiet
Only, operating mechanism completes vacuum by pull bar, driving insulator, bellows band moving conductive rod, moving contact within the defined time
Breaker is closed, disjunction is acted.Under certain Breaking capacity, it is desirable to operating mechanism have higher point, closing speed and compared with
Big operating work, could meet the requirement to vacuum circuit breaker in power system, and this is often that operating mechanism size is big, vacuum
Complicated, the bulky short slab of breaker structure, while also restriction vacuum circuit breaker develops to Large Copacity, voltage levels.
And technology is cut-off using bilateral, the operating work of operating mechanism can be reduced at the appointed time, reduce and simplify actuating machine
The physical dimension of structure, while cut-offfing technology by rotation, accelerates electric arc itself rotary motion, to improve bilateral electricity in interrupting process
The voltage recovery capability of polar arc root and arc column, is to Vacuum Circuit Breaker performance, knot to lift the connecting-disconnecting function of vacuum circuit breaker
A big innovation on structure, the invention has integrated simple in construction, complete machine, mechanical life length, Reliability of Microprocessor height, achievable mould
The advantages of block, it is adapted to the requirement of intelligent power network, with extraordinary application prospect.
The content of the invention
The deficiency of the invention existed aiming at prior art cut-offs technology there is provided a kind of bilateral of vacuum circuit breaker, its
The operating work of operating mechanism can be reduced and with high break performance.
To achieve the above object, the present invention is adopted the following technical scheme that, including vacuum circuit breaker body；The vacuum circuit breaker
Device body includes bilateral Ci Qu mechanisms, electrode system and bilateral main conductive circuit；It is characterized in that：
The electrode system includes moving electrode component one and moving electrode component two.The bilateral Ci Qu mechanisms include Ci Qu mechanisms one
And Ci Qu mechanisms two.The bilateral main conductive circuit includes main conductive circuit one and main conductive circuit two.
The Ci Qu mechanisms one are connected with moving electrode component one, and driving moving electrode component one is realized with moving by relative motion
Electrode assemblie two closes a floodgate or separating brake；The main conductive circuit one is used to provide for moving electrode component one to be connected with the leading circuit in the external world
Passage.
The Ci Qu mechanisms two are connected with moving electrode component two, and driving moving electrode component two is realized with moving by relative motion
The combined floodgate or separating brake of electrode assemblie one；The main conductive circuit two is used to provide for moving electrode component two and connected with extraneous leading circuit
The passage connect.
As a preferred embodiment of the present invention, the moving electrode component one is set with the mirror image of moving electrode component two, described
Magnetic drives structure one and the mirror image setting of Ci Qu mechanisms two, and the main conductive circuit one is set with the mirror image of main conductive circuit two.
As another preferred scheme of the present invention, the Ci Qu mechanisms one and the magnetic drive structure of structure two are identical, include
Driving part in vacuum bubbles and the drive disk assembly outside vacuum bubbles；The drive disk assembly includes：Static iron core, it is described quiet
Iron core is fixed in vacuum circuit breaker；Magnet coil, the magnet coil is used to after being powered produce driving magnetic force；Permanent magnet, institute
State permanent magnet and produce the realization combined floodgate holding of permanent magnetism confining force；Yoke, the yoke be used for carry permanent magnet and magnet coil there is provided
Magnetic circuit；Non-magnetic piece, described non-magnetic piece is used to separate the effective magnetic circuit of combined floodgate；The driving part includes：Dynamic iron core, it is described
Dynamic iron core is located in vacuum bubbles, and the magnetic force face for being right against the static iron core is set, and effective magnetic circuit is provided to close a floodgate；Tripping spring,
The lower end of the dynamic iron core is connected to the tripping spring, and the other end of the tripping spring is connected to the housing of vacuum circuit breaker；
The upper end of the dynamic iron core is connected by insulation board with the electrode system.
As another preferred scheme of the present invention, the moving electrode component one is identical with the structure of moving electrode component two,
Including the conducting rod, electrode and insulating disc；The centerline collineation of the conducting rod, electrode and insulating disc；The conducting rod
One end is connected with the electrode；The insulating disc is a loop configuration, and the other end of the conducting rod passes through the loop configuration
Inner ring, is fixedly connected with the loop configuration；The insulating disc periphery is evenly distributed with multiple insulation poles, each insulation pole
One end be fixedly linked with insulating disc periphery, insulation pole the other end through an insulated connecting rod one end, with insulated connecting rod consolidate
It is fixed to be connected；The outer casing inner wall, the position relative with the end that each insulation pole stretches out insulated connecting rod are respectively provided with a skewed slot and led
Rail, the end of each insulation pole is placed in a skewed slot guide rail；The other end of the insulated connecting rod is used to isolate electrode system with one
System is connected with the insulation board upper surface of Ci Qu mechanisms；The insulation board lower surface is connected with the dynamic iron core upper end.
As the present invention another preferred scheme, the main conductive circuit one, main conductive circuit two structure it is identical,
Including：Moved end conducting terminal, the dynamic iron core and tripping spring are enclosed on outside the conducting terminal of moved end；Moved end contact base, the moved end
Contact base is arranged at moved end conducting terminal top, detachable on the moved end contact base to be provided with spring contact, the electric rotating
The moved end conducting rod of electrode systems is slidably connected with the spring contact, by spring contact, moved end conducting terminal and moved end conducting rod
Conduction is connected.
As another preferred scheme of the present invention, leading between the conducting rod of the moved end conducting terminal and electrode system
Electric channel is provided with spacing, and the motion of the spacing follower ends conducting rod changes and changed.
As another preferred scheme of the present invention, the outer wall of the moved end conducting terminal is wrapped up by insulating barrier, will be dynamic
End conducting terminal is separated with driving part.
As another preferred scheme of the present invention, the spring contact is multiple, and multiple spring contacts are set up in parallel.
Beneficial effect of the present invention compared with prior art.
The present invention cut-offs technology using bilateral, makes in vacuum bubbles both sides electrode system opposite or relative motion.
Operating work needed for double sided electrode system motion of the present invention is reduced, and operating mechanism size reduction, structure simplify.The present invention
Bilateral rotation electrode system accelerates electric arc itself rotary motion in interrupting process, improves double sided electrode arc root in interrupting process
And the voltage recovery capability of arc column, lift the Breaking capacity of vacuum circuit breaker.With the lifting of voltage class, bilateral electricity can adjust
The point-to-point speed or rotary speed of pole, by with the magnetic field produced by structure of contact terminal, with the structure such as vacuum bubbles radome
It is engaged, with the insulating properties and break performance being optimal.
Bilateral rotation electrode system of the present invention, can accelerate interrupting process by changing the direction that rotates against of double sided electrode
The motion of middle electrode surface arc root, lengthens the circulation path of arc column, is conducive to arc extinction, improves the break performance of breaker.
The present invention cut-offs the vacuum circuit breaker of technology based on bilateral, and operating mechanism moving component is placed in vacuum bubbles, taken
Disappear bellows and between drive mechanism, moving conductive rod move distance is absorbed in main conductive circuit, while making to cut-off in electrode
Shi Xuanzhuan, strengthens electric arc and is moved in electrode surface, connecting-disconnecting function is strong, while enormously simplify breaker structure, reduces open circuit
Body is accumulated, and Reliability of Microprocessor is high, and dispersiveness is small, and most parts are placed in vacuum bubbles, can effectively prevent from including external force, filthy environment
Influence etc. external factor to vacuum circuit breaker performance, it has high service life, and design is unique, realizes the small-sized of vacuum circuit breaker
Change, integration, normalization, are especially suitable for the demand of intelligent power network.
Brief description of the drawings
The present invention will be further described with reference to the accompanying drawings and detailed description.The scope of the present invention not only limits to
In the statement of herein below.
Fig. 1 is the vacuum circuit breaker gate-dividing state diagrammatic cross-section that bilateral direct acting of the present invention is cut-off.
Fig. 2 is the vacuum circuit breaker "on" position diagrammatic cross-section that bilateral direct acting of the present invention is cut-off.
Fig. 3 is the vacuum circuit breaker gate-dividing state diagrammatic cross-section that bilateral rotation of the present invention is cut-off.
Fig. 4 is the vacuum circuit breaker on/off switch state diagrammatic cross-section that bilateral rotation of the present invention is cut-off.
Fig. 5-7 is present invention insulation pole and skewed slot guide rail cooperation schematic diagram.
In figure, 1 be vacuum bubbles, 2 be Non-contact Magnetic drive mechanism, 3 be moved end conducting terminal, 4 be outer casing base, 5 for point
Lock spring, 6 be sealing shell, 7 be dynamic iron core, 8 be non-magnetic piece, 9 be permanent magnet, 10 be yoke, 11 be magnet coil, 12 be
Insulation board, 13 be insulated connecting rod, 14 be moved end contact base, 15 be insulating disc, 16 be conducting rod, 17 be shell, 18 be electrode, 19
For static iron core, 20 be spring contact, 21 be skewed slot guide rail, 22 be insulation pole.
Embodiment
As shown in figs. 1-7, the present invention includes vacuum circuit breaker body；The vacuum circuit breaker body includes bilateral magnetic and drives machine
Structure, electrode system and bilateral main conductive circuit.The electrode system includes moving electrode component one and moving electrode component two；It is described
Bilateral Ci Qu mechanisms include Ci Qu mechanisms one and Ci Qu mechanisms two；The bilateral main conductive circuit includes main conductive circuit one and main
Galvanic circle two；The Ci Qu mechanisms one are connected with moving electrode component one, and driving moving electrode component one is realized by relative motion
Closed a floodgate with moving electrode component two or separating brake；The main conductive circuit one is used to provide and extraneous leading circuit for moving electrode component one
The passage of connection；The Ci Qu mechanisms two are connected with moving electrode component two, and driving moving electrode component two is realized by relative motion
With the combined floodgate or separating brake of moving electrode component one；The main conductive circuit two is used to provide and extraneous leading electricity for moving electrode component two
The passage of road connection.
Preferably, the moving electrode component one is set with the mirror image of moving electrode component two, and the magnetic drives structure one and drives machine with magnetic
The mirror image of structure two is set, and the main conductive circuit one is set with the mirror image of main conductive circuit two.Specifically, moving electrode component one, magnetic drive
Structure one, main conductive circuit one are arranged at vacuum circuit breaker side, and moving electrode component two, magnetic drive structure two, main conductive circuit two
It is arranged at vacuum circuit breaker opposite side.
Preferably, the Ci Qu mechanisms one and the magnetic drive structure of structure two are identical, including the drive division in vacuum bubbles
Part and the drive disk assembly outside vacuum bubbles, both are separated by sealing shell；The drive disk assembly includes：Static iron core, it is described
Static iron core is fixed in vacuum circuit breaker；Magnet coil, the magnet coil is used to after being powered produce driving magnetic force；Permanent magnet,
The permanent magnet produces permanent magnetism confining force and realizes holding of closing a floodgate；Yoke, the yoke is used to carry permanent magnet and magnet coil, carries
For magnetic circuit；Non-magnetic piece, described non-magnetic piece is used to separate the effective magnetic circuit of combined floodgate；The driving part includes：Dynamic iron core, institute
Dynamic iron core is stated in vacuum bubbles, the magnetic force face for being right against the static iron core is set, and effective magnetic circuit is provided to close a floodgate；Separating brake bullet
Spring, the lower end of the dynamic iron core is connected to the tripping spring, and the other end of the tripping spring is connected to the shell of vacuum circuit breaker
Body（Outer casing base）；The upper end of the dynamic iron core is connected by insulation board with the electrode system.The insulation board is moved with described
Iron core is connected by insulated bolt.
Specifically, the magnet coil is located in the yoke, and the static iron core is located at below magnet coil, the permanent magnetism
Iron is located between static iron core and yoke, and described non-magnetic piece is located at below static iron core and yoke；The magnet coil, permanent magnet and
Non-magnetic piece is surrounded static iron core, and described non-magnetic piece effective magnetic circuit that will close a floodgate is separated.Non-magnetic piece of thickness must ensure quiet iron
Leakage magnetic flux between core and yoke is sufficiently small, between the permanent magnet and yoke, specifically, permanent magnet lower section, yoke bottom
Portion.
Preferably, the electrode system uses rotary electric electrode systems.The moving electrode component one and moving electrode component two
Structure is identical, including the conducting rod, electrode and insulating disc；The centerline collineation of the conducting rod, electrode and insulating disc；Institute
The one end for stating conducting rod is connected with the electrode；The insulating disc is a loop configuration, and the other end of the conducting rod passes through institute
Loop configuration inner ring is stated, is fixedly connected with the loop configuration；The insulating disc periphery is evenly distributed with multiple insulation poles, often
One insulation pole one end be fixedly linked with insulating disc periphery, insulation pole the other end through an insulated connecting rod one end, and
Insulated connecting rod is fixedly linked；The outer casing inner wall, the position relative with the end that each insulation pole stretches out insulated connecting rod are respectively set
There is a skewed slot guide rail, the end of each insulation pole is placed in a skewed slot guide rail；The other end of the insulated connecting rod is used for one
Isolation electrode system is connected with the insulation board upper surface of Ci Qu mechanisms；The insulation board lower surface and dynamic iron core upper end phase
Even.
By taking moving electrode component two as an example, the Ci Qu mechanisms driving insulated connecting rod linear motion, insulated connecting rod drives insulation
Pole is moved along skewed slot guide rail, and insulating disc is along skewed slot guide rail rotary motion, and the electrode of moving electrode component two is with respect to moving electrode component
One electrode realizes rotary motion while linear motion.
Specifically, as a kind of embodiment, as shown in figure 5, the axis of skewed slot guide rail（Center line）Relative to insulating disc
Axis（Center line）It is not parallel, there is certain angle, preferred angle is acute angle as shown in the figure, skewed slot guide rail opposing insulation disk and
Moving conductive rod is oblique；The pole that insulate arrives Fig. 7 final position by Fig. 6 initial position, and insulated connecting rod moves upwards, drive
Insulation pole on insulating disc is moved along skewed slot guide rail, by the low level of skewed slot guide rail to a high position for skewed slot, is not only erected during this
Nogata has upwards also there occurs change in displacement in change in displacement, horizontal direction；And then while realizing linear motion along with
Rotary motion.
Preferably, the electrode system uses direct drive type electro electrode systems.The moving electrode component one and moving electrode component two
Structure is identical, including the conducting rod, electrode and insulating disc；The centerline collineation of the conducting rod, electrode and insulating disc；Institute
The one end for stating conducting rod is connected with the electrode, and the insulating disc is a loop configuration, and the other end of the conducting rod passes through institute
Loop configuration inner ring is stated, is fixedly connected with the loop configuration；The insulating disc periphery is evenly distributed with multiple insulation poles, often
One insulation pole one end be fixedly linked with insulating disc periphery, insulation pole the other end through an insulated connecting rod one end, and
Insulated connecting rod is fixedly linked；The other end of the insulated connecting rod is used to isolate electrode system and the insulation board of Ci Qu mechanisms with one
Surface is connected；The insulation board lower surface is connected with the dynamic iron core upper end.The insulation pole and insulating disc and vacuum circuit breaker
Device you outer casing inner wall do not contact.
Preferably, the main conductive circuit one, main conductive circuit two structure it is identical, include：Moved end conducting terminal, institute
State dynamic iron core and tripping spring is enclosed on outside the conducting terminal of moved end；Moved end contact base, it is conductive that the moved end contact base is arranged at moved end
It is detachable on terminal top, the moved end contact base that spring contact is installed, the moved end conducting rod of the rotation electrode system with
The spring contact is slidably connected, by spring contact, and moved end conducting terminal is connected with moved end conducting rod conduction.
Preferably, the conductive channel between the conducting rod of the moved end conducting terminal and electrode system is provided with spacing, institute
The motion for stating spacing follower ends conducting rod changes and changed.
Preferably, the outer wall of the moved end conducting terminal is wrapped up by insulating barrier, by moved end conducting terminal and driving part
Separate.
Preferably, the spring contact is multiple, and multiple spring contacts are set up in parallel.
So that electrode system uses rotation electrode system as an example, its course of work is：During feed motion, magnet coil is positive to be obtained
Electricity, produces magnetomotive force, and driving dynamic iron core action, the insulated connecting rod that the dynamic iron core driving is attached thereto does upward straight line fortune
Dynamic, driving insulated connecting rod linear motion, insulated connecting rod drives insulation pole to be moved along skewed slot guide rail, and insulating disc revolves along skewed slot guide rail
Transhipment is dynamic, and the motor of moving electrode component one realizes rotary motion with respect to the electrode of moving electrode component two while linear motion.
Dynamic iron core is pulled up tripping spring simultaneously in the upward motion process that closes a floodgate, and now permanent magnet confining force is more than tripping spring power
With moving electrode gravity, holding of closing a floodgate is realized, now magnet coil passes through there is no forward current；When separating brake is acted, magnet coil
Point to it is electric encourage, produce magnetomotive force, when permanent magnetism confining force be less than tripping spring pulling force and moving electrode gravity when, dynamic iron core point
Moved downward in the presence of lock spring force, drive insulated connecting rod to move downward, insulated connecting rod drives insulation pole along skewed slot guide rail
Move downward, insulating disc is transported along skewed slot guide rail rotary motion, the electrode of moving electrode component one with respect to moving electrode component two in straight line
Rotary motion is realized while dynamic.Realize that separating brake is acted, now there is no reverse current through for magnet coil.Moving electrode component two
Action it is similar with the action of moving electrode component one, be not added with repeating.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and being not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still can be to present invention progress
Modification or equivalent substitution, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of bilateral of vacuum circuit breaker cut-offs technology, including vacuum circuit breaker body, the vacuum circuit breaker body includes
Bilateral Ci Qu mechanisms, electrode system and bilateral main conductive circuit；Characterized in that,
The electrode system includes moving electrode component one and moving electrode component two；
The bilateral Ci Qu mechanisms include Ci Qu mechanisms one and Ci Qu mechanisms two；
The bilateral main conductive circuit includes main conductive circuit one and main conductive circuit two；
The Ci Qu mechanisms one are connected with moving electrode component one, and driving moving electrode component one passes through relative motion realization and moving electrode
Component two closes a floodgate or separating brake；The main conductive circuit one for moving electrode component one for providing and leading to that extraneous leading circuit is connected
Road；
The Ci Qu mechanisms two are connected with moving electrode component two, and driving moving electrode component two passes through relative motion realization and moving electrode
The combined floodgate or separating brake of component one；The main conductive circuit two is used to provide what is be connected with extraneous leading circuit for moving electrode component two
Passage.
2. a kind of bilateral of vacuum circuit breaker according to claim 1 cut-offs technology, it is characterised in that：The moving electrode group
Part one is set with the mirror image of moving electrode component two, and the magnetic drives structure one and the mirror image setting of Ci Qu mechanisms two, the main conductive circuit
One is set with the mirror image of main conductive circuit two.
3. a kind of bilateral of vacuum circuit breaker according to claim 2 cut-offs technology, it is characterised in that：The Ci Qu mechanisms
One and magnetic drive the structure of structure two it is identical, including the driving part in vacuum bubbles and the drive disk assembly outside vacuum bubbles；
The drive disk assembly includes：Static iron core, the static iron core is fixed in vacuum circuit breaker；Magnet coil, the magnet coil is used
Magnetic force is driven in being produced after energization；Permanent magnet, the permanent magnet produces permanent magnetism confining force and realizes holding of closing a floodgate；Yoke, the magnetic
Yoke is used to carrying permanent magnet and magnet coil that there is provided magnetic circuit；Non-magnetic piece, described non-magnetic piece be used for will close a floodgate effective magnetic circuit every
Open；The driving part includes：Dynamic iron core, the dynamic iron core is located in vacuum bubbles, and the magnetic force face for being right against the static iron core is set
Put, effective magnetic circuit is provided to close a floodgate；Tripping spring, the lower end of the dynamic iron core is connected to the tripping spring, the tripping spring
The other end be connected to the housing of vacuum circuit breaker；The upper end of the dynamic iron core is connected by insulation board with the electrode system.
4. a kind of bilateral of vacuum circuit breaker according to claim 2 cut-offs technology, it is characterised in that：The moving electrode group
Part one is identical with the structure of moving electrode component two, including the conducting rod, electrode and insulating disc；The conducting rod, electrode and absolutely
The centerline collineation of edge disk；One end of the conducting rod is connected with the electrode；The insulating disc is a loop configuration, described to lead
The other end of electric pole passes through the loop configuration inner ring, is fixedly connected with the loop configuration；The insulating disc periphery is uniformly divided
Multiple insulation poles are furnished with, one end and the insulating disc periphery of each insulation pole are fixedly linked, the other end of insulation pole is passed through
One end of one insulated connecting rod, it is fixedly linked with insulated connecting rod；The outer casing inner wall and each insulation pole stretch out insulated connecting rod
The relative position in end is respectively provided with a skewed slot guide rail, and the end of each insulation pole is placed in a skewed slot guide rail；The insulation connects
The other end of bar is connected with one for isolating electrode system with the insulation board upper surface of Ci Qu mechanisms；The insulation board lower surface with
The dynamic iron core upper end is connected.
5. a kind of bilateral of vacuum circuit breaker according to claim 1 cut-offs technology, it is characterised in that：The leading electricity is returned
Lu Yi, main conductive circuit two structure it is identical, include：Moved end conducting terminal, the dynamic iron core and tripping spring are enclosed on moved end
Outside conducting terminal；Moved end contact base, the moved end contact base is arranged at moved end conducting terminal top, removable on the moved end contact base
The formula of unloading is provided with spring contact, and moved end conducting rod and the spring contact of the rotation electrode system are slidably connected, and pass through spring
Contact, moved end conducting terminal is connected with moved end conducting rod conduction.
6. a kind of bilateral of vacuum circuit breaker according to claim 5 cut-offs technology, it is characterised in that：The moved end is conductive
Conductive channel between terminal and the conducting rod of electrode system is provided with spacing, and the motion of the spacing follower ends conducting rod changes
And change.
7. a kind of bilateral of vacuum circuit breaker according to claim 6 cut-offs technology, it is characterised in that：The moved end is conductive
The outer wall of terminal is wrapped up by insulating barrier.
8. a kind of bilateral of vacuum circuit breaker according to claim 5 cut-offs technology, it is characterised in that：The spring contact
To be multiple, multiple spring contacts are set up in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455246.1A CN107123567B (en) | 2017-06-16 | 2017-06-16 | A kind of bilateral of vacuum circuit breaker cut-offs technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455246.1A CN107123567B (en) | 2017-06-16 | 2017-06-16 | A kind of bilateral of vacuum circuit breaker cut-offs technology |
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| CN107123567A true CN107123567A (en) | 2017-09-01 |
| CN107123567B CN107123567B (en) | 2019-02-19 |
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| Country | Link |
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Cited By (1)
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| CN109065404A (en) * | 2018-07-18 | 2018-12-21 | 齐志学 | A kind of electro-magnetic forming equipment synchronous switch |
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| Publication number | Publication date |
|---|---|
| CN107123567B (en) | 2019-02-19 |
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Effective date of registration: 20220624 Address after: 110000 no.60-501 (79), Zhongli Chengyue mansion, Xiangyu Road, Shenfu demonstration zone, Shenyang, Liaoning Province Patentee after: Hualong (Shenyang) Intelligent Electric Co.,Ltd. Address before: 110870 No. 111 Shenyang West Road, Shenyang economic and Technological Development Zone, Liaoning Patentee before: SHENYANG University OF TECHNOLOGY |