CN203588925U - Permanent magnetic mechanism vacuum circuit breaker for low-voltage feed switch - Google Patents
Permanent magnetic mechanism vacuum circuit breaker for low-voltage feed switch Download PDFInfo
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- CN203588925U CN203588925U CN201320786060.1U CN201320786060U CN203588925U CN 203588925 U CN203588925 U CN 203588925U CN 201320786060 U CN201320786060 U CN 201320786060U CN 203588925 U CN203588925 U CN 203588925U
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- circuit breaker
- permanent magnetic
- vacuum circuit
- magnetic mechanism
- permanent magnet
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Abstract
The utility model discloses a permanent magnetic mechanism vacuum circuit breaker for a low-voltage feed switch. The technical problems to be solved are that the current circuit breaker for a feed switch is short in service life, weak in breaking capacity, poor in three phase asynchronism, slow in switching on/off speed, inconvenient to maintain, and affects the production efficiency of the coal mine. The permanent magnetic mechanism vacuum circuit breaker comprises an outer shell, a fixing frame arranged on the outer shell and a permanent magnetic mechanism arranged on the fixing frame, wherein one end of a transmission device is connected with the permanent magnetic mechanism, the other end is connected with a contact of a vacuum tube, and the contact is provided with a spring. According to the permanent magnetic mechanism vacuum circuit breaker adopting the structure, the damageable mechanical devices such as energy storage device and lock catch of the traditional mechanism are omitted, the structure is simplified, the reliability and service life of the mechanism are improved, and the permanent magnetic mechanism vacuum circuit breaker has the advantages of simple structure, convenient operation, long service life, maintenance-free and high transmission efficiency.
Description
Technical field
The utility model relates to a kind of vacuum circuit-breaker, is specifically related to a kind of low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker.
Background technology
Developing direction along with coal industry high-yield and high-efficiency, the bistable state feeding switch that sophistication is produced is more and more extensive with the application of permanent magnetic vacuum breaker, feeding switch circuit breaker is in the market electromagnetism adhesive machinery freeze mode, a little less than short, breaking capacity of life-span, three-phase asynchrony is poor, on/off switch speed slowly maintenance is simultaneously inconvenient, drops into after the use of colliery the long direct coal production efficiency that affects of repair time.
Summary of the invention
The technical problems to be solved in the utility model is that current feeding switch is short with the circuit breaker life-span, a little less than breaking capacity, three-phase asynchrony is poor, on/off switch speed slowly maintenance is simultaneously inconvenient, affect coal production efficiency, provide that a kind of life-span is long, breaking capacity is strong, three-phase asynchrony is good, on/off switch speed is fast and non-maintaining, makes the safer more efficient low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker of coal production.
For achieving the above object, the utility model adopts following technical proposals: a kind of low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker, comprise shell, be arranged on fixed mount on shell, be arranged on the permanent magnet mechanism on fixed mount, transmission device one end is connected with permanent magnet mechanism, the other end is connected with the contact of vacuum tube, and contact is provided with contact spring.
Described permanent magnet mechanism comprises magnetic cylinder body, be arranged on mandrel in magnetic cylinder body, be arranged on switching winding and closing coil on mandrel, in the middle of switching winding and closing coil, is provided with magnet piece, and described mandrel two ends are also provided with connecting rod.
Described permanent magnet mechanism is connected with transmission device by connecting rod.
Also comprise the controller being connected with permanent magnet mechanism.
Also comprise the manual switching-off device being connected with transmission device.
Described permanent magnet mechanism is bistable-state permanent magnet mechanism.
Adopt the utility model after said structure to save the mechanical devices such as energy storage, snap close of traditional mechanism rapid wear, simplify the structure, its amount of parts has reduced more than 80% compared with traditional mechanism, thereby has greatly improved reliability and the life-span of mechanism.Owing to having adopted large bulk capacitance built-in as operating power, also avoided the dependence of traditional mechanism to large capacity power source special simultaneously; Simple in structure, easy to operate, the life-span is long non-maintaining; Close/separating brake of electromagnetism, permanent magnetism keep, breaking capacity is strong, and on/off switch speed is fast; Operating mechanism of every phase, complete linear running, transmission efficiency is high.
Accompanying drawing explanation
Fig. 1 is the utility model structural front view.
Fig. 2 is the utility model structure left view.
Fig. 3 is magnet structure schematic diagram.
Fig. 4 is the utility model partial structurtes left views.
Embodiment
As shown in Figures 1 to 4, the utility model comprises shell 11, be arranged on fixed mount 9 on shell 11, be arranged on the permanent magnet mechanism 2 on fixed mount 9, transmission device 3 one end are connected with permanent magnet mechanism 2, and the other end is connected with the contact 12 of vacuum tube 4, and contact 12 is provided with contact spring 5.Transmission device 3 is connected by alignment pin 8 with the contact 12 of vacuum tube 4.
Described permanent magnet mechanism 2 comprises magnetic cylinder body 24, be arranged on mandrel 22 in magnetic cylinder body 24, be arranged on switching winding 23 and closing coil 26 on mandrel 22, in the middle of switching winding 23 and closing coil 26, be provided with magnet piece 25, described mandrel 22 two ends are also provided with connecting rod 21.
Described permanent magnet mechanism 2 is connected with transmission device 3 by connecting rod 21.
Also comprise the controller 1 being connected with permanent magnet mechanism 2.
Also comprise the manual switching-off device 10 being connected with transmission device 3.Under off-position or malfunction, by pulling manual switching-off device 10, drive transmission device 3 and then make the contact 12 of vacuum tube 4 reach off state, guarantee safety operation.
With closing coil 26, drive mandrel 22 to move to corresponding extreme position.Excite switching winding 23 to make it to produce the actuating force that is greater than residue confining force, can make it mandrel 22 actions of mechanism.
Described permanent magnet mechanism 2 is bistable-state permanent magnet mechanism.
When having switching signal, controller 1 is connected electric discharge by combined floodgate storage capacitor and permanent magnet mechanism 2 closing coils 26, mandrel 22 setting in motions of permanent magnet mechanism 2 under electromagnetic force, the transmission device 3 being attached thereto rotates and makes vacuum tube 4 contact 12 closures, after switching signal disappears, under the permanent magnetic effect of magnet piece 25, permanent magnet mechanism 2, in closing position, and makes the contact 12 of vacuum tube 4 in closure state, complete closing operation, circuit breaker remains on "on" position.
When having sub-gate signal, controller 1 will make separating brake storage capacitor and permanent magnet mechanism 2 switching windings connect electric discharge, under the counter-force acting in conjunction of electromagnetic force and contact spring, make the mandrel 22 of permanent magnet mechanism 2 to the direction motion of closing a floodgate contrary, under the acting in conjunction of the later counter-force at electromagnetic force and contact spring of sub-gate signal disappearance.The contact 12 of vacuum tube 4 is in off state, and permanent magnet mechanism place completes sub-switching operation, and circuit breaker remains on gate-dividing state.
Claims (6)
1. a low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker, it is characterized in that: comprise shell (11), be arranged on fixed mount (9) on shell (11), be arranged on the permanent magnet mechanism (2) on fixed mount (9), transmission device (3) one end is connected with permanent magnet mechanism (2), the other end is connected with the contact (12) of vacuum tube (4), and contact (12) is provided with contact spring (5).
2. low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker according to claim 1, it is characterized in that: described permanent magnet mechanism (2) comprises magnetic cylinder body (24), is arranged on the interior mandrel (22) of magnetic cylinder body (24), is arranged on switching winding (23) and closing coil (26) on mandrel (22), in the middle of switching winding (23) and closing coil (26), be provided with magnet piece (25), described mandrel (22) two ends are also provided with connecting rod (21).
3. low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker according to claim 1 and 2, is characterized in that: described permanent magnet mechanism (2) is connected with transmission device (3) by connecting rod (21).
4. low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker according to claim 1, is characterized in that: also comprise the controller (1) being connected with permanent magnet mechanism (2).
5. low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker according to claim 1, is characterized in that: also comprise the manual switching-off device (10) being connected with transmission device (3).
6. low-voltage feeder switch permanent magnetic actuator vacuum circuit breaker according to claim 1, is characterized in that: described permanent magnet mechanism (2) is bistable-state permanent magnet mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320786060.1U CN203588925U (en) | 2013-12-04 | 2013-12-04 | Permanent magnetic mechanism vacuum circuit breaker for low-voltage feed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320786060.1U CN203588925U (en) | 2013-12-04 | 2013-12-04 | Permanent magnetic mechanism vacuum circuit breaker for low-voltage feed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588925U true CN203588925U (en) | 2014-05-07 |
Family
ID=50586797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320786060.1U Expired - Fee Related CN203588925U (en) | 2013-12-04 | 2013-12-04 | Permanent magnetic mechanism vacuum circuit breaker for low-voltage feed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203588925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577856A (en) * | 2014-12-31 | 2015-04-29 | 安徽宇腾真空电气有限责任公司 | Mining vacuum feeder switch device with isolating fractures |
-
2013
- 2013-12-04 CN CN201320786060.1U patent/CN203588925U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577856A (en) * | 2014-12-31 | 2015-04-29 | 安徽宇腾真空电气有限责任公司 | Mining vacuum feeder switch device with isolating fractures |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |