CN207925390U - A kind of permanent magnetic vacuum breaker - Google Patents
A kind of permanent magnetic vacuum breaker Download PDFInfo
- Publication number
- CN207925390U CN207925390U CN201820131726.2U CN201820131726U CN207925390U CN 207925390 U CN207925390 U CN 207925390U CN 201820131726 U CN201820131726 U CN 201820131726U CN 207925390 U CN207925390 U CN 207925390U
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- China
- Prior art keywords
- casing
- permanent magnetic
- restorer
- upper cover
- vacuum interrupter
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Abstract
The utility model discloses a kind of permanent magnetic vacuum breakers, including fixed cross-arm, vacuum interrupter, current transformer, it is provided with boom hoisting below the fixed cross-arm, it is provided with upper cover below the boom hoisting, it is provided with explosion-protection equipment above the upper cover, casing is set below the explosion-protection equipment, restorer is set below the casing, insulated tension pole is arranged in described restorer one end, the vacuum interrupter is set below the insulated tension pole, insulation booth is set below the vacuum interrupter, the current transformer is arranged in the insulation booth side, fixing screws are arranged in the current transformer both sides, inlet-outlet sleeve is arranged in the fixing screws both sides.Advantage is：Pass through the design to permanent magnetic vacuum breaker so that circuit breaker short circuit effect is more preferable, and operating safety factor higher, breaker working life greatly improves.
Description
Technical field
The utility model is related to field of circuit technology, more particularly to a kind of permanent magnetic vacuum breaker.
Background technology
Currently, outdoor permanent magnetic high-voltage vacuum circuit breaker has the advantages such as high reliability, long-life, non-maintaining, gradually take
For the high-pressure vacuum breaker of traditional electromagnetic mechanism and spring mechanism.Permanent magnetism high-pressure vacuum breaker is by permanent magnet application
In operating mechanism, the indoor moving contact of arc extinguishing in vacuum circuit breaker is made to pass through permanently in the holding of open position and closing position
Magnet is realized, instead of traditional locker.This magnetic force mechanism includes permanent magnet, sub-control gate line circle and shutting-brake control
Coil, mechanical transmission structure is simple, only several movable parts, and failure rate is low.This outdoor permanent magnetic high-voltage vacuum circuit breaker one
As be using permanent magnet realize bistable state keep, after shutting-brake control coil is powered, move iron core drive main shaft to moving contact conjunction
Lock direction moves, and is maintained at closing position by permanent magnet；After sub-control gate line circle is powered, it is anti-that sub-control gate line moves iron core
To movement, dynamic iron core drives main shaft to be moved to moving contact separating brake direction, equally holds it in open position by permanent magnet.It is main
Axis acts on the moving contact in vacuum extinction room by connecting lever bar and insulated tension pole, realizes that it closes a floodgate or separating brake, arc extinguishing are indoor
Switch on of moving contact position and open position are all made of permanent magnet lock.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of permanent magnetic vacuum breaker
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of permanent magnetic vacuum breaker, including cross-arm, vacuum interrupter, current transformer are fixed, under the fixed cross-arm
Side is provided with boom hoisting, and upper cover is provided with below the boom hoisting, and explosion-protection equipment is provided with above the upper cover, described anti-
Casing is set below quick-fried device, restorer is set below the casing, insulated tension pole, the insulation is arranged in described restorer one end
The vacuum interrupter is set below pull rod, insulation booth is set below the vacuum interrupter, institute is arranged in the insulation booth side
Current transformer is stated, fixing screws are arranged in the current transformer both sides, and inlet-outlet sleeve is arranged in the fixing screws both sides.
In above structure, when dynamic and static contact separating brake under the action of the insulated tension pole, electric arc is generated between contact, is touched
Head surface volatilizes steam at high temperature, since contact is designed as special shape, electric current by when generate a magnetic field, electric arc exists
It is quickly moved along contact surface tangential direction under this magnetic fields, part metals steam, electric arc has been condensed on the insulation booth
Just extinguish in the vacuum interrupter excessively, the dielectric strength between contact is again rapid to be restored to get up.
In order to further increase breaking effect, the fixed cross-arm is connected with the boom hoisting by hexagonal sunk screw
It connects, the welding upper cover below the boom hoisting, explosion-protection equipment described in the uniform welding of the upper cover both sides.
In order to further increase breaking effect, the upper cover is that screw is connect with the connection type of the casing, the machine
The restorer is installed, described restorer one end is hinged the insulated tension pole, and the restorer is connect with power source communications inside shell.
For in order to further increase breaking effect, described insulated tension pole one end is soldered to the vacuum interrupter, described true
Weld the insulation booth in empty arc-chutes bottom.
In order to further increase breaking effect, the casing side connects the Current Mutual Inductance by the fixing screws
Device, inlet-outlet sleeve described in two outside uniform welding of the casing, the inlet-outlet sleeve are connected internally to the vacuum extinction
Room.
The beneficial effects of the utility model are：Pass through the design to permanent magnetic vacuum breaker so that circuit breaker short circuit is imitated
Fruit is more preferable, and operating safety factor higher, breaker working life greatly improves.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of permanent magnetic vacuum breaker described in the utility model；
1, fixed cross-arm；2, boom hoisting；3, upper cover；4, explosion-protection equipment；5, casing；6, restorer；7, insulated tension pole；8、
Vacuum interrupter；9, insulation booth；10, current transformer；11, fixing screws；12, inlet-outlet sleeve.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of permanent magnetic vacuum breaker, including fixed cross-arm 1, vacuum interrupter 8, current transformer 10,
1 lower section of fixed cross-arm is provided with boom hoisting 2, and 2 lower section of boom hoisting is provided with upper cover 3, and 3 top of upper cover is provided with explosion-protection equipment
4, casing 5 is arranged in 4 lower section of explosion-protection equipment, and restorer 6 is arranged in 5 lower section of casing, and insulated tension pole 7 is arranged in 6 one end of restorer, and insulation is drawn
Vacuum interrupter 8 is arranged in 7 lower section of bar, and insulation booth 9 is arranged in 8 lower section of vacuum interrupter, and current transformer is arranged in 9 side of insulation booth
10, fixing screws 11 are arranged in 10 both sides of current transformer, and inlet-outlet sleeve 12 is arranged in 11 both sides of fixing screws.
In above structure, when dynamic and static contact separating brake under the action of insulated tension pole 7, electric arc, contact table are generated between contact
Face volatilizes steam at high temperature, since contact is designed as special shape, electric current by when generate a magnetic field, electric arc is in this magnetic
It is quickly moved along contact surface tangential direction under field action, part metals steam has been condensed on insulation booth 9, electric arc is crossing vacuum
Just extinguish when arc-chutes 8, the dielectric strength between contact is again rapid to be restored to get up.
In order to further increase breaking effect, fixed cross-arm 1 is connect by hexagonal sunk screw with boom hoisting 2, is lifted by crane
Upper cover 3,3 both sides uniform welding explosion-protection equipment 4 of upper cover are welded in 2 lower section of device, and upper cover 3 and the connection type of casing 5 connect for screw
It connects, restorer 6 is installed in 5 inside of casing, and 6 one end of restorer is hinged insulated tension pole 7, and restorer 6 is connect with power source communications, and insulation is drawn
7 one end of bar is soldered to vacuum interrupter 8, and 8 bottom welding insulation box 9 of vacuum interrupter, 5 side of casing is connected by fixing screws 11
Current transformer 10 is connect, 5 liang of outside uniform welding inlet-outlet sleeves 12 of casing, inlet-outlet sleeve 12 is connected internally to vacuum extinction
Room 8.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (5)
1. a kind of permanent magnetic vacuum breaker, it is characterised in that：It is described solid including fixed cross-arm, vacuum interrupter, current transformer
Determine to be provided with boom hoisting below cross-arm, upper cover is provided with below the boom hoisting, explosion-proof dress is provided with above the upper cover
It sets, casing is set below the explosion-protection equipment, restorer is set below the casing, restorer one end setting insulation is drawn
Bar, the insulated tension pole lower section are arranged the vacuum interrupter, insulation booth, the insulation booth are arranged below the vacuum interrupter
Side is arranged the current transformer, and the current transformer both sides are arranged fixing screws, the fixing screws both sides be arranged into
Outlet casing tube.
2. a kind of permanent magnetic vacuum breaker according to claim 1, it is characterised in that：The fixed cross-arm and the lifting
Device is connected by hexagonal sunk screw, and the upper cover, upper cover both sides uniform welding institute are welded below the boom hoisting
State explosion-protection equipment.
3. a kind of permanent magnetic vacuum breaker according to claim 1, it is characterised in that：The company of the upper cover and the casing
It connects mode to connect for screw, the casing internal installs the restorer, and described restorer one end is hinged the insulated tension pole, institute
Restorer is stated to connect with power source communications.
4. a kind of permanent magnetic vacuum breaker according to claim 1, it is characterised in that：Described insulated tension pole one end is soldered to
The insulation booth is welded in the vacuum interrupter, the vacuum interrupter bottom.
5. a kind of permanent magnetic vacuum breaker according to claim 1, it is characterised in that：The casing side passes through described solid
Determine screw and connects the current transformer, inlet-outlet sleeve described in two outside uniform welding of the casing, the inlet-outlet sleeve
It is connected internally to the vacuum interrupter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820131726.2U CN207925390U (en) | 2018-01-25 | 2018-01-25 | A kind of permanent magnetic vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820131726.2U CN207925390U (en) | 2018-01-25 | 2018-01-25 | A kind of permanent magnetic vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207925390U true CN207925390U (en) | 2018-09-28 |
Family
ID=63605830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820131726.2U Active CN207925390U (en) | 2018-01-25 | 2018-01-25 | A kind of permanent magnetic vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207925390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449043A (en) * | 2018-11-19 | 2019-03-08 | 珠海许继电气有限公司 | A kind of new switching equipment major insulation box and seal |
-
2018
- 2018-01-25 CN CN201820131726.2U patent/CN207925390U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449043A (en) * | 2018-11-19 | 2019-03-08 | 珠海许继电气有限公司 | A kind of new switching equipment major insulation box and seal |
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