CN102543561B - Closing holding device for vacuum circuit breaker - Google Patents
Closing holding device for vacuum circuit breaker Download PDFInfo
- Publication number
- CN102543561B CN102543561B CN201210000421.5A CN201210000421A CN102543561B CN 102543561 B CN102543561 B CN 102543561B CN 201210000421 A CN201210000421 A CN 201210000421A CN 102543561 B CN102543561 B CN 102543561B
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- China
- Prior art keywords
- closing
- contact
- moving
- closing holding
- moving contact
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- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a vacuum circuit breaker with a closing holding device. A hollow cavity is formed in a housing; switch-off springs are sleeved on a movable conductor pole, and arranged in the middle of the cavity in the housing; a movable contact is connected with an ejector rod at the top part of the movable conductor pole; a static contact is fixed at the top part of the cavity and is separated from the movable contact; paired closing holding pawls are arranged at the lower part of the movable conductor pole; pressure springs are arranged between the side parts of the lower ends of the closing holding pawls and the inner wall of the cavity; protrusions are arranged at the middle parts of the closing holding pawls and clamped at the bottom of the movable conductor pole when the movable contact and the static contact are in contact; inclined planes are arranged at the lower parts of the closing holding pawls; the inclined planes of one pair of closing holding pawls form an erect V-shaped structure; a closing holding unlocking block is arranged in the V-shaped structure; and an isolating switch movable contact is arranged at the lower part of the closing holding unlocking block so as to push the closing holding unlocking block to perform up-and-down motion. The vacuum circuit breaker with the closing holding device provided by the invention is convenient to control.
Description
Technical field
The present invention relates to a kind of vacuum circuit-breaker, particularly a kind of vacuum circuit-breaker with closing keeping device, belongs to vacuum circuit-breaker technical field.
Background technology
At present, after existing vacuum circuit-breaker closes a floodgate, moving contact and fixed contact contact with each other, and for keeping this contact condition, need additional structure to make moving contact keep "on" position.The vacuum circuit-breaker of this structure, uses inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of vacuum circuit-breaker with closing keeping device.
The present invention is achieved through the following technical solutions: a kind of vacuum circuit-breaker with closing keeping device, comprises closing magnet master part, moving conductive rod, isolating switch moving contact, closing a floodgate keeps separating lock dog, tripping spring, moving contact, fixed contact, housing; Described housing is provided with the cavity of hollow; Described tripping spring is set on moving conductive rod, and in the middle part of the cavity being arranged on housing; The push rod on described moving contact and moving conductive rod top links together; Described fixed contact is fixed on the top of cavity, and and moving contact interval arrange; The bottom of what described closing magnet master part was paired be arranged on moving conductive rod; Stage clip is provided with between the lower end sidepiece of described closing magnet master part and cavity inner wall; The middle part of described closing magnet master part is provided with projection, and described projection, when making moving contact and fixed contact keeps in touch, just blocks the bottom of moving conductive rod; The bottom of described closing magnet master part is provided with inclined-plane; The inclined-plane of described closing magnet master part forms a upright V-type; Described combined floodgate keeps separating lock dog and is arranged on V-type inside; Described isolating switch moving contact is arranged on to close a floodgate and keeps separating the bottom of lock dog, and can promote to close a floodgate keeps separating moving up and down of lock dog.
Preferably, described moving conductive rod realizes being electrically connected by upper electric conductor with isolating switch moving contact.
Preferably, power spring is provided with between described isolating switch moving contact and upper electric conductor.
Beneficial effect of the present invention is embodied in: the vacuum circuit-breaker of band closing keeping device of the present invention, carries closing keeping device, and manipulation is convenient; Structure of the present invention is simple, practical.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1 is the partial sectional view of the vacuum circuit-breaker of band closing keeping device of the present invention;
Wherein: 1, closing magnet master part; 2, stage clip; 3, moving conductive rod; 4, isolating switch moving contact; 5, lock dog is separated in maintenance of closing a floodgate; 6, tripping spring; 7, moving contact; 8, fixed contact; 9, housing; 10, upper electric conductor.
embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Be a kind of vacuum circuit-breaker with closing keeping device of the present invention as shown in Figure 1, comprise closing magnet master part 1, moving conductive rod 3, isolating switch moving contact 4, closing a floodgate keeps separating lock dog 5, tripping spring 6, moving contact 7, fixed contact 8, housing 9; Described housing 9 is provided with the cavity of hollow; Described tripping spring 6 is set on moving conductive rod 3, and in the middle part of the cavity being arranged on housing 9; Described moving contact 7 links together with the push rod on moving conductive rod 6 top; Described fixed contact 8 is fixed on the top of cavity, and and moving contact 7 interval arrange; The bottom being arranged on moving conductive rod 3 that described closing magnet master part 1 is paired; Stage clip 2 is provided with between the lower end sidepiece of described closing magnet master part 7 and cavity inner wall; The middle part of described closing magnet master part 7 is provided with projection (not marking), and described projection, when making moving contact 7 keep in touch with fixed contact 8, just blocks the bottom of moving conductive rod 3; The bottom of described closing magnet master part 1 is provided with inclined-plane (not marking); The inclined-plane of described closing magnet master part 1 forms a upright V-type; Described combined floodgate keeps separating lock dog 5 and is arranged on V-type inside; Described isolating switch moving contact 4 is arranged on to close a floodgate and keeps separating the bottom of lock dog 5, and can promote to close a floodgate keeps separating moving up and down of lock dog 5; Described moving conductive rod 3 realizes being electrically connected by upper electric conductor 10 with isolating switch moving contact 4; Power spring 6 is provided with between described isolating switch moving contact 4 and upper electric conductor 10.
The course of work of the present invention program:
When isolating switch moving contact 4 moves upward, contact and promote moving conductive rod 3 and rise, movable contact of vacuum circuit breaker 7 is contacted with fixed contact 8, now closing magnet master part 1 inwardly rotates and makes its projection be stuck in moving conductive rod 3 lower end surface under the effect of stage clip 2, achieves and closes a floodgate and keep "on" position.
When isolating switch moving contact 4 moves downward, the combined floodgate being mounted and fixed on isolating switch moving contact upper end keeps separating lock dog 5, by contact of incline plane, closing magnet master part 1 is backed down, moving conductive rod 3 is after closing magnet master part 1 is opened, under the effect of tripping spring 6 power, movable contact of vacuum circuit breaker 7 is driven to throw off fixed contact 8.
Beneficial effect of the present invention is embodied in: the vacuum circuit-breaker of band closing keeping device of the present invention, carries closing keeping device, and manipulation is convenient; Structure of the present invention is simple, practical.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (3)
1. the vacuum circuit-breaker with closing keeping device, is characterized in that: comprise closing magnet master part, moving conductive rod, isolating switch moving contact, closing a floodgate keeps separating lock dog, tripping spring, moving contact, fixed contact, housing; Described housing is provided with the cavity of hollow; Described tripping spring is set on moving conductive rod, and in the middle part of the cavity being arranged on housing; The push rod on described moving contact and moving conductive rod top links together; Described fixed contact is fixed on the top of cavity, and and moving contact interval arrange; The bottom of what described closing magnet master part was paired be arranged on moving conductive rod; Stage clip is provided with between the lower end sidepiece of described closing magnet master part and cavity inner wall; The middle part of described closing magnet master part is provided with projection, and described projection, when making moving contact and fixed contact keeps in touch, just blocks the bottom of moving conductive rod; The bottom of described closing magnet master part is provided with inclined-plane; The inclined-plane of described closing magnet master part forms a upright V-type; Described combined floodgate keeps separating lock dog and is arranged on V-type inside; Described isolating switch moving contact is arranged on to close a floodgate and keeps separating the bottom of lock dog, and can promote to close a floodgate keeps separating moving up and down of lock dog.
2. the vacuum circuit-breaker of band closing keeping device according to claim 1, is characterized in that: described moving conductive rod realizes being electrically connected by upper electric conductor with isolating switch moving contact.
3. the vacuum circuit-breaker of band closing keeping device according to claim 2, is characterized in that: be provided with power spring between described isolating switch moving contact and upper electric conductor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210000421.5A CN102543561B (en) | 2012-01-04 | 2012-01-04 | Closing holding device for vacuum circuit breaker |
| PCT/CN2012/000706 WO2013102286A1 (en) | 2012-01-04 | 2012-05-21 | Vacuum breaker with closing holding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210000421.5A CN102543561B (en) | 2012-01-04 | 2012-01-04 | Closing holding device for vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102543561A CN102543561A (en) | 2012-07-04 |
| CN102543561B true CN102543561B (en) | 2015-01-07 |
Family
ID=46350178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210000421.5A Expired - Fee Related CN102543561B (en) | 2012-01-04 | 2012-01-04 | Closing holding device for vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102543561B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969193B (en) * | 2012-11-13 | 2015-11-25 | 北京京东方真空电器有限责任公司 | A kind of ring main unit direct-acting vacuum switching device |
| CN103236357A (en) * | 2013-05-09 | 2013-08-07 | 苏州朗格电气有限公司 | Novel switchgear |
| CN103295809A (en) * | 2013-05-09 | 2013-09-11 | 苏州朗格电气有限公司 | Novel switching-on switching-off separation coupler for switch equipment |
| CN104810192B (en) * | 2015-05-08 | 2017-09-29 | 苏州奥然日用品有限公司 | A kind of vacuum circuit breaker combined floodgate locking device |
| CN105655193B (en) * | 2016-01-28 | 2017-11-14 | 国网江苏省电力公司泰兴市供电公司 | A kind of vacuum circuit breaker |
| CN105575721A (en) * | 2016-02-03 | 2016-05-11 | 深圳市森源电力技术有限公司 | Vacuum circuit breaker with double outer shell bodies |
| CN105655195A (en) * | 2016-02-03 | 2016-06-08 | 深圳市森源电力技术有限公司 | Novel vacuum circuit breaker |
| CN105513886A (en) * | 2016-02-03 | 2016-04-20 | 深圳市森源电力技术有限公司 | Vacuum circuit breaker with good sealing performance |
| CN105788954B (en) * | 2016-05-17 | 2018-01-09 | 国网山东省电力公司济南市长清区供电公司 | A kind of vacuum circuit breaker |
| CN108987175A (en) * | 2018-07-12 | 2018-12-11 | 东莞市联洲知识产权运营管理有限公司 | A kind of quick vacuum circuit breaker of separating brake |
| CN109616375B (en) * | 2018-12-29 | 2020-11-03 | 国网湖南省电力有限公司 | Rapid arc extinguisher, medium-low voltage metal switch cabinet and application method of rapid arc extinguisher |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4241926A1 (en) * | 1991-12-13 | 1993-06-17 | Gold Star Instr & Electrics | Arc-preventing switch mechanism for vacuum circuit-breaker - has moving contact actuated by insulating rod with helical spring coupling to end of trip lever |
| JP2005276839A (en) * | 2004-03-25 | 2005-10-06 | Areva T & D Sa | Control device for driving in conditioned manner at least two components of switch gear in which one component performs shielding in vacuum |
| CN101067987A (en) * | 2007-06-12 | 2007-11-07 | 孙祖桐 | Permanent magnetic operating mechanism of AC contactor and vacuum circuit breaker |
| CN101533735A (en) * | 2009-03-24 | 2009-09-16 | 童建朋 | High pressure vacuum circuit breaker |
| CN202454486U (en) * | 2012-01-04 | 2012-09-26 | 苏州朗格电气有限公司 | Vacuum breaker with closing retaining device |
-
2012
- 2012-01-04 CN CN201210000421.5A patent/CN102543561B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4241926A1 (en) * | 1991-12-13 | 1993-06-17 | Gold Star Instr & Electrics | Arc-preventing switch mechanism for vacuum circuit-breaker - has moving contact actuated by insulating rod with helical spring coupling to end of trip lever |
| JP2005276839A (en) * | 2004-03-25 | 2005-10-06 | Areva T & D Sa | Control device for driving in conditioned manner at least two components of switch gear in which one component performs shielding in vacuum |
| CN101067987A (en) * | 2007-06-12 | 2007-11-07 | 孙祖桐 | Permanent magnetic operating mechanism of AC contactor and vacuum circuit breaker |
| CN101533735A (en) * | 2009-03-24 | 2009-09-16 | 童建朋 | High pressure vacuum circuit breaker |
| CN202454486U (en) * | 2012-01-04 | 2012-09-26 | 苏州朗格电气有限公司 | Vacuum breaker with closing retaining device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102543561A (en) | 2012-07-04 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20210104 |