CN105719893A - Vacuum arc-extinguishing chamber with operating mechanism - Google Patents
Vacuum arc-extinguishing chamber with operating mechanism Download PDFInfo
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- CN105719893A CN105719893A CN201410715908.0A CN201410715908A CN105719893A CN 105719893 A CN105719893 A CN 105719893A CN 201410715908 A CN201410715908 A CN 201410715908A CN 105719893 A CN105719893 A CN 105719893A
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- conductive rod
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Abstract
The invention discloses a vacuum arc-extinguishing chamber with an operating mechanism. The vacuum arc-extinguishing chamber comprises a dynamic contact (3), a static contact (11), a static conductive rod (1), a dynamic conductive rod (4), a main shield (2), a corrugated pipe shield (13), an electromagnetic opening mechanism and a spring closing system, wherein the electromagnetic opening mechanism comprises an armature (5), a static iron core (14), an opening coil (6) and an insulating cylinder (15); the electromagnetic operating mechanism is arranged on an insulating support (7), the armature (5) is fixed with the dynamic conductive rod (4); the static iron core (14) is fixed on the insulating support (7) and connected with a lower flange (9) into a whole via an insulating supporting cylinder (17). The vacuum arc-extinguishing chamber eliminates the problem of dynamic seal and saves a corrugated pipe, so that the size of a vacuum circuit breaker is reduced; the probability of faults is reduced by adopting a simple dynamic connection mode; and each phase has an independent operating mechanism, so that the load of the mechanism is relieved and the contacts can be quickly opened and closed.
Description
Technical field
The present invention relates to a kind of vacuum interrupter, particularly relate to the vacuum interrupter of a kind of subsidiary operating mechanism, belong to high voltage electrical apparatus technical field.
Background technology
Along with electric power network technique plays, vacuum circuit breaker is applied to power system more and more widely as the switch of control and distribution electric energy, and remains leading position in middle pressure field.
Vacuum circuit breaker Main Function be contact point, conjunction action to be to switch on and off circuit, and separating brake, combined floodgate are operated by mechanism and realize, therefore the performance of operating mechanism and quality, service behaviour and reliability to vacuum circuit breaker play particularly important effect.
The fault statistics of China's operation power and transformer station shows, the most distinct issues of vacuum circuit breaker are exactly machinery and Insulation Problems, especially mechanical aspects fault, complicated mainly due to operating mechanism mechanical connecting structure, number of components is many, requiring that machining accuracy, manufacturing process are complicated, cost is high, and the reliability of product not easily ensures.
, operating mechanism complicated for existing vacuum circuit breaker constructions connects complicated, arc-chutes and operating mechanism and is distributed that the volume that takes up space is bigger etc. causes that vacuum circuit breaker fault rate is higher, therefore, it is necessary to provide a kind of simple and reliable ground operating mechanism and the close-fitting vacuum extinction cell structure of arc-chutes.
Summary of the invention
The purpose of the present invention is that solution prior art Problems existing, and for existing vacuum circuit breaker operating mechanism structure complexity, mechanical connecting parts is many, failure rate of machinery is higher；And the shortcoming of arc-chutes poor sealing, it is necessary to the Novel vacuum interrupter structure that a kind of volume is little, machine driving simple, time dispersibility breaking speed little, initial is big is provided.
For solving above-mentioned technical problem, the present invention is achieved in that
A kind of vacuum interrupter of subsidiary operating mechanism, include moving contact 3, static contact 11, static conductive rod 1, moving conductive rod 4, main shield cover 2, bellows shield cover 13, electromagnetism brake separating mechanism, spring combined floodgate system, electromagnetism brake separating mechanism includes armature 5, static iron core 14, switching winding 6, insulating cylinder 15, wherein electromagnetic operating mechanism is arranged on above insulating support 7, armature 5 is fixed with moving conductive rod 4, static iron core 6 is fixed on insulating support 7, is linked together by insulation supporting cylinder 17 and lower flange 9.
The electromagnetic operating mechanism of the vacuum interrupter of described subsidiary operating mechanism is arranged in arc-chutes, and moving conductive rod 4 is connected with the external world by the electric-conductor 8 that is flexible coupling.
The armature 5 of the electromagnetic operating mechanism of the vacuum interrupter of described subsidiary operating mechanism is fixed on moving conductive rod 4, and static iron core 14 is fixed on insulating support 7.
The vacuum interrupter of described subsidiary operating mechanism when breaker closing, switching winding 6 dead electricity, sluice separating spring 16 provide counter-force to drive moving conductive rod 4 and moving contact 3 to move to closing position.Static conductive rod 1 electrically couples with static contact 10, and in like manner, moving conductive rod 4 electrically couples with moving contact 3, and moving conductive rod 4 is electrically coupled with lead-out wire conductive pole 18 by the electric-conductor 8 that is flexible coupling, and constitutes galvanic circle by moving contact 3, static contact 11.
The vacuum interrupter of described subsidiary operating mechanism is when breaker open operation, switching winding 6 obtains electric, armature 5, static iron core 14, air gap constitute magnetic circuit, generation suction orders about armature 5 and drives moving conductive rod 4, moving contact 3 to move to separating brake direction, arrive open position, moving contact 3 and static contact 11 separate, it is achieved circuit disjunction, simultaneously compression sluice separating spring 16.
Compared with prior art, the invention has the beneficial effects as follows:
The vacuum interrupter of described subsidiary operating mechanism, owing to not having operating mechanism, is connected with moving conductive rod 4 only by armature 5, and therefore motion parts quality is only small, and initial breaking speed is greatly improved.
The vacuum interrupter of described subsidiary operating mechanism eliminates corrugated tube, improves the life-span that arc-chutes are overall.
The electromagnetic operating mechanism of the vacuum interrupter of described subsidiary operating mechanism is positioned in arc-chutes, is collectively reside in vacuum casting with arc-chutes, the problem being absent from movable sealing.
The suction that the vacuum interrupter of described subsidiary operating mechanism utilizes switching winding to produce realizes separating brake, utilizes sluice separating spring to realize closing operation, reduces the volume of vacuum circuit breaker.
The vacuum interrupter of described subsidiary operating mechanism adopts simple direct acting connected mode, and time dispersibility is little, it is simple to controlling, drive mechanism is simple and reliable, decreases the probability that fault occurs.
Every independent operating mechanism having oneself mutually of the vacuum interrupter of described subsidiary operating mechanism, alleviates the load of mechanism, is conducive to the speed of opening of contact to cut-off.It addition, the motion parts of present configuration only has moving contact and moving conductive rod and armature, action part equivalent mass is only small, and initial breaking speed is big.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Overall structure schematic diagram when Fig. 1 is arc-chutes of the present invention combined floodgate.
Overall structure schematic diagram when Fig. 2 is arc-chutes separating brake of the present invention.
Labelling in figure: 1, static conductive rod；2, main shield cover；3, moving contact；4, moving conductive rod；5, armature；6, switching winding；7, insulating support；8, be flexible coupling electric-conductor (replacing with schematic diagram)；9, lower flange；10, upper flange；11, static contact；12, arc-chutes shell；13, auxiliary shield cover；14, static iron core；15, insulating cylinder；16, sluice separating spring；17, insulated support；18, lead-out wire conducting rod.
Detailed description of the invention
As shown in the figure, a kind of vacuum extinction cell structure of subsidiary operating mechanism, mainly including moving contact 3, static contact 11, static conductive rod 1, moving conductive rod 4, main shield cover 2, bellows shield cover 13, electromagnetism brake separating mechanism, spring combined floodgate system composition, electromagnetism brake separating mechanism includes armature 5, static iron core 14, switching winding 6, insulating cylinder 15 are constituted.Being arranged on by electromagnetic operating mechanism above insulating support 7, armature 5 is fixed with moving conductive rod 4, and static iron core 6 is fixed on insulating support 7, is linked together by insulation supporting cylinder 17 and lower flange 9.
With reference to Fig. 1, during breaker closing, switching winding 6 dead electricity, sluice separating spring 16 provide counter-force to drive moving conductive rod 4 and moving contact 3 to move to closing position.Static conductive rod 1 electrically couples with static contact 10, and in like manner, moving conductive rod 4 electrically couples with moving contact 3, and moving conductive rod 4 is electrically coupled with lead-out wire conductive pole 18 by the electric-conductor 8 that is flexible coupling, and constitutes galvanic circle by moving contact 3, static contact 11.
With reference to Fig. 2, during breaker open operation, switching winding 6 obtains electric, armature 5, static iron core 14, air gap constitute magnetic circuit, generation suction orders about armature 5 and drives moving conductive rod 4, moving contact 3 to move to separating brake direction, arrives open position, and moving contact 3 and static contact 11 separate, realize circuit disjunction, simultaneously compression sluice separating spring 16.
Claims (7)
1. the vacuum interrupter of a subsidiary operating mechanism, it is characterized in that including moving contact (3), static contact (11), static conductive rod (1), moving conductive rod (4), main shield cover (2), bellows shield cover (13), electromagnetism brake separating mechanism, spring combined floodgate system, electromagnetism brake separating mechanism includes armature (5), static iron core (14), switching winding (6), insulating cylinder (15), wherein electromagnetic operating mechanism is arranged on insulating support (7) above, armature (5) is fixed with moving conductive rod (4), static iron core (6) is fixed on insulating support (7), linked together by insulation supporting cylinder (17) and lower flange (9).
2. the vacuum interrupter of a kind of subsidiary operating mechanism according to claim 1, it is characterised in that electromagnetic operating mechanism is arranged in arc-chutes, and moving conductive rod (4) is connected with the external world by the electric-conductor (8) that is flexible coupling.
3. the vacuum interrupter of a kind of subsidiary operating mechanism according to claim 1, it is characterised in that the armature (5) of electromagnetic operating mechanism is fixed on moving conductive rod (4), and static iron core (14) is fixed on insulating support (7).
4. the vacuum interrupter of a kind of subsidiary operating mechanism according to claim 1, it is characterised in that during breaker closing, switching winding (6) dead electricity, sluice separating spring (16) provide counter-force to drive moving conductive rod (4) and moving contact (3) to move to closing position；Static conductive rod (1) electrically couples with static contact (10), in like manner, moving conductive rod (4) electrically couples with moving contact (3), moving conductive rod (4) is electrically coupled with lead-out wire conductive pole (18) by the electric-conductor (8) that is flexible coupling, and constitutes galvanic circle by moving contact (3), static contact (11).
5. the vacuum interrupter of a kind of subsidiary operating mechanism according to claim 1, when it is characterized in that breaker open operation, switching winding (6) obtains electric, armature (5), static iron core (14), air gap constitute magnetic circuit, produce suction and order about armature (5) drive moving conductive rod (4), moving contact (3) to the motion of separating brake direction, arrive open position, moving contact (3) and static contact (11) and separate, realize circuit disjunction, compress sluice separating spring (16) simultaneously.
6. the vacuum interrupter of a kind of subsidiary operating mechanism according to claim 1, it is characterised in that owing to not having operating mechanism, being connected with moving conductive rod (4) only by armature (5), therefore motion parts quality is only small, and initial breaking speed is greatly improved.
7. the vacuum interrupter of a kind of subsidiary operating mechanism according to claim 1, it is characterised in that eliminate corrugated tube, improve the life-span that arc-chutes are overall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410715908.0A CN105719893A (en) | 2014-12-02 | 2014-12-02 | Vacuum arc-extinguishing chamber with operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410715908.0A CN105719893A (en) | 2014-12-02 | 2014-12-02 | Vacuum arc-extinguishing chamber with operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105719893A true CN105719893A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410715908.0A Pending CN105719893A (en) | 2014-12-02 | 2014-12-02 | Vacuum arc-extinguishing chamber with operating mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN105719893A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830401A (en) * | 2019-04-04 | 2019-05-31 | 岳盛仙 | A kind of vacuum switch |
| CN115295355A (en) * | 2022-10-08 | 2022-11-04 | 宁波耐森电气科技有限公司 | Vacuum contactor for inflating cabinet |
| CN117477417A (en) * | 2023-12-28 | 2024-01-30 | 沈阳华德海泰电器有限公司 | Environment-friendly gas-insulated closed combined electrical apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4862313A (en) * | 1987-12-11 | 1989-08-29 | Hitachi, Ltd. | Driving apparatus for DC circuit breakers |
| CN2053793U (en) * | 1989-09-16 | 1990-02-28 | 李世聪 | Energy-saving contactor |
| CN201956266U (en) * | 2011-02-19 | 2011-08-31 | 广东三怡电器有限公司 | Electromagnetic vacuum contactor |
| CN103779137A (en) * | 2014-01-16 | 2014-05-07 | 西安交通大学 | Integrated permanent magnet mechanism vacuum switch |
| CN204289246U (en) * | 2014-12-02 | 2015-04-22 | 沈阳工业大学 | A kind of vacuum interrupter of subsidiary operating mechanism |
-
2014
- 2014-12-02 CN CN201410715908.0A patent/CN105719893A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4862313A (en) * | 1987-12-11 | 1989-08-29 | Hitachi, Ltd. | Driving apparatus for DC circuit breakers |
| CN2053793U (en) * | 1989-09-16 | 1990-02-28 | 李世聪 | Energy-saving contactor |
| CN201956266U (en) * | 2011-02-19 | 2011-08-31 | 广东三怡电器有限公司 | Electromagnetic vacuum contactor |
| CN103779137A (en) * | 2014-01-16 | 2014-05-07 | 西安交通大学 | Integrated permanent magnet mechanism vacuum switch |
| CN204289246U (en) * | 2014-12-02 | 2015-04-22 | 沈阳工业大学 | A kind of vacuum interrupter of subsidiary operating mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830401A (en) * | 2019-04-04 | 2019-05-31 | 岳盛仙 | A kind of vacuum switch |
| CN115295355A (en) * | 2022-10-08 | 2022-11-04 | 宁波耐森电气科技有限公司 | Vacuum contactor for inflating cabinet |
| CN117477417A (en) * | 2023-12-28 | 2024-01-30 | 沈阳华德海泰电器有限公司 | Environment-friendly gas-insulated closed combined electrical apparatus |
| CN117477417B (en) * | 2023-12-28 | 2024-04-12 | 沈阳华德海泰电器有限公司 | Environment-friendly gas-insulated closed combined electrical apparatus |
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Application publication date: 20160629 |
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