CN204680609U - A kind of fast arc extinction vacuum circuit-breaker - Google Patents
A kind of fast arc extinction vacuum circuit-breaker Download PDFInfo
- Publication number
- CN204680609U CN204680609U CN201520352834.9U CN201520352834U CN204680609U CN 204680609 U CN204680609 U CN 204680609U CN 201520352834 U CN201520352834 U CN 201520352834U CN 204680609 U CN204680609 U CN 204680609U
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- conductive rod
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- contact
- vacuum circuit
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Abstract
The utility model belongs to technical field of electric appliances, particularly relates to a kind of fast arc extinction vacuum circuit-breaker.The technical problems to be solved in the utility model is to provide that a kind of delicate structure, arc extinguishing speed are fast, the non-damageable fast arc extinction vacuum circuit-breaker of contact.In order to solve the problems of the technologies described above, the utility model provides so a kind of fast arc extinction vacuum circuit-breaker, include arc control device, static conductive rod, fixed contact, moving contact, moving conductive rod, bellows, tooth bar, gear and arc extinguishing bar, static conductive rod and fixed contact is provided with above arc control device, static conductive rod bottom is connected with fixed contact, moving conductive rod is provided with below arc control device, moving contact and bellows, bellows is provided with in the middle of moving conductive rod, moving conductive rod is connected with moving contact, moving conductive rod between bellows and moving contact is provided with tooth bar, rack and pinion engages, gear is connected with arc extinguishing bar.The utility model reaches that delicate structure, arc extinguishing speed are fast, the non-damageable effect of contact.
Description
Technical field
The utility model belongs to technical field of electric appliances, particularly relates to a kind of fast arc extinction vacuum circuit-breaker.
Background technology
" vacuum circuit-breaker " gains the name because the dielectric of contact gap after its arc-extinguishing medium and arc extinguishing is all high vacuum; Vacuum circuit-breaker its have volume little, lightweight, be applicable to frequent operation, advantage that arc extinguishing need not overhaul, apply comparatively universal in power distribution network.Development History 1893, the Li Dunhaosi of the U.S. proposes the simple vacuum interrupter of structure, and obtains design patent.
The operation principle of vacuum circuit-breaker is: when under the effect of dynamic and static contact at operating mechanism during separating brake, electric arc is produced between contact, contact surface at high temperature volatilizes steam, because contact design is special shape, electric current by time produce a magnetic field, electric arc is along contact surface tangential direction rapid movement under this magnetic fields, and metallic cylinder (radome) has been condensed part metals steam, electric arc has just extinguished when natural zero-crossing, and the dielectric strength between contact is recovered rapidly again.
Present vacuum circuit-breaker mainly carries out arc extinguishing by vacuum interrupter, and the structure of vacuum extinction indoor is simple, and arc extinguishing speed is slow, contact easily damages.
Utility model content
(1) technical problem that will solve
Structure is simple, arc extinguishing speed slow, contact holds flimsy shortcoming in order to the vacuum interrupter overcoming existing vacuum circuit-breaker exists for the utility model, and the technical problems to be solved in the utility model is to provide that a kind of delicate structure, arc extinguishing speed are fast, the non-damageable fast arc extinction vacuum circuit-breaker of contact.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides so a kind of fast arc extinction vacuum circuit-breaker, include arc control device, static conductive rod, fixed contact, moving contact, moving conductive rod, bellows, tooth bar, gear and arc extinguishing bar, static conductive rod and fixed contact is provided with above arc control device, static conductive rod bottom is connected with fixed contact, moving conductive rod is provided with below arc control device, moving contact and bellows, bellows is provided with in the middle of moving conductive rod, moving conductive rod is connected with moving contact, moving conductive rod between bellows and moving contact is provided with tooth bar, rack and pinion engages, gear is connected with arc extinguishing bar.
Preferably, described gear material is insulation plastic cement.
Preferably, described module is 2.
Preferably, described arc extinguishing bar is " 7 " font.
Preferably, the length on the long limit of described arc extinguishing bar is 42mm.
Preferably, the length of the minor face of described arc extinguishing bar is 15mm.
Preferably, the length of described fixed contact and described moving contact is 25mm.
Preferably, described arc extinguishing pole stock matter is insulation plastic cement.
Operation principle: when moving downward under the drive of moving conductive rod at operating mechanism, tooth bar also moves downward thereupon, and gear rotates, and arc extinguishing bar also rotates with gear.Meanwhile moving contact separates with fixed contact, and arc extinguishing bar has just rotated to the centre of moving contact and fixed contact, has cut off the electric arc produced between the two, serves the effect of fast arc extinction.
(3) beneficial effect
The vacuum interrupter that the utility model solves existing vacuum circuit-breaker exists that structure is simple, arc extinguishing speed is slow, contact holds flimsy shortcoming, and the utility model reaches that delicate structure, arc extinguishing speed are fast, the non-damageable effect of contact.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structural representation of the present utility model.
Being labeled as in accompanying drawing: 1-arc control device, 2-static conductive rod, 3-fixed contact, 4-moving contact, 5-moving conductive rod, 6-bellows, 7-tooth bar, 8-gear, 9-arc extinguishing bar.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
embodiment 1
A kind of fast arc extinction vacuum circuit-breaker, as shown in Figure 1-2, include arc control device 1, static conductive rod 2, fixed contact 3, moving contact 4, moving conductive rod 5, bellows 6, tooth bar 7, gear 8 and arc extinguishing bar 9, static conductive rod 2 and fixed contact 3 is provided with above arc control device 1, static conductive rod 2 bottom is connected with fixed contact 3, moving conductive rod 5 is provided with below arc control device 1, moving contact 4 and bellows 6, bellows 6 is provided with in the middle of moving conductive rod 5, moving conductive rod 5 is connected with moving contact 3, moving conductive rod 5 between bellows 6 and moving contact 4 is provided with tooth bar 7, tooth bar 7 engages with gear 8, gear 8 is connected with arc extinguishing bar 9.
Operation principle: when moving downward under the drive of moving conductive rod 5 at operating mechanism, tooth bar 7 also moves downward thereupon, and gear 8 rotates, and arc extinguishing bar 9 also rotates with gear 8.Meanwhile moving contact 4 separates with fixed contact 3, and arc extinguishing bar 9 has just rotated to moving contact 4 and the centre of fixed contact 3, has cut off the electric arc produced between the two, has served the effect of fast arc extinction.
embodiment 2
A kind of fast arc extinction vacuum circuit-breaker, as shown in Figure 1-2, include arc control device 1, static conductive rod 2, fixed contact 3, moving contact 4, moving conductive rod 5, bellows 6, tooth bar 7, gear 8 and arc extinguishing bar 9, static conductive rod 2 and fixed contact 3 is provided with above arc control device 1, static conductive rod 2 bottom is connected with fixed contact 3, moving conductive rod 5 is provided with below arc control device 1, moving contact 4 and bellows 6, bellows 6 is provided with in the middle of moving conductive rod 5, moving conductive rod 5 is connected with moving contact 4, moving conductive rod 5 between bellows 6 and moving contact 4 is provided with tooth bar 7, tooth bar 7 engages with gear 8, gear 8 is connected with arc extinguishing bar 9.
Described gear 8 material is insulation plastic cement.
Described gear 8 modulus is 2.
Described arc extinguishing bar 9 is " 7 " font.
The length on the long limit of described arc extinguishing bar 9 is 42mm.
The length of the minor face of described arc extinguishing bar 9 is 15mm.
The length of described fixed contact 3 and described moving contact 4 is 25mm.
Described arc extinguishing bar 9 material is insulation plastic cement.
Operation principle: when moving downward under the drive of moving conductive rod 5 at operating mechanism, tooth bar 7 also moves downward thereupon, and gear 8 rotates, and arc extinguishing bar 9 also rotates with gear 8.Meanwhile moving contact 4 separates with fixed contact 3, and arc extinguishing bar 9 has just rotated to moving contact 4 and the centre of fixed contact 3, has cut off the electric arc produced between the two, has served the effect of fast arc extinction.
The above embodiment only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (8)
1. a fast arc extinction vacuum circuit-breaker, it is characterized in that, include arc control device (1), static conductive rod (2), fixed contact (3), moving contact (4), moving conductive rod (5), bellows (6), tooth bar (7), gear (8) and arc extinguishing bar (9), arc control device (1) top is provided with static conductive rod (2) and fixed contact (3), static conductive rod (2) bottom is connected with fixed contact (3), arc control device (1) below is provided with moving conductive rod (5), moving contact (4) and bellows (6), bellows (6) is provided with in the middle of moving conductive rod (5), moving conductive rod (5) is connected with moving contact (3), moving conductive rod (5) between bellows (6) and moving contact (4) is provided with tooth bar (7), tooth bar (7) engages with gear (8), gear (8) is connected with arc extinguishing bar (9).
2. a kind of fast arc extinction vacuum circuit-breaker according to claim 1, is characterized in that, described gear (8) material is insulation plastic cement.
3. a kind of fast arc extinction vacuum circuit-breaker according to claim 1, is characterized in that, described gear (8) modulus is 2.
4. a kind of fast arc extinction vacuum circuit-breaker according to claim 1, is characterized in that, described arc extinguishing bar (9) is " 7 " font.
5. a kind of fast arc extinction vacuum circuit-breaker according to claim 1, is characterized in that, the length on the long limit of described arc extinguishing bar (9) is 42mm.
6. a kind of fast arc extinction vacuum circuit-breaker according to claim 1, is characterized in that, the length of the minor face of described arc extinguishing bar (9) is 15mm.
7. a kind of fast arc extinction vacuum circuit-breaker according to claim 1, is characterized in that, the length of described fixed contact (3) and described moving contact (4) is 25mm.
8. a kind of fast arc extinction vacuum circuit-breaker according to claim 1, is characterized in that, described arc extinguishing bar (9) material is insulation plastic cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352834.9U CN204680609U (en) | 2015-05-28 | 2015-05-28 | A kind of fast arc extinction vacuum circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352834.9U CN204680609U (en) | 2015-05-28 | 2015-05-28 | A kind of fast arc extinction vacuum circuit-breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680609U true CN204680609U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520352834.9U Expired - Fee Related CN204680609U (en) | 2015-05-28 | 2015-05-28 | A kind of fast arc extinction vacuum circuit-breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204680609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987140A (en) * | 2017-06-01 | 2018-12-11 | 泰科电子(深圳)有限公司 | Electrical contact system |
| CN111584298A (en) * | 2020-07-06 | 2020-08-25 | 广东电网有限责任公司东莞供电局 | High-reliability high-voltage vacuum circuit breaker |
-
2015
- 2015-05-28 CN CN201520352834.9U patent/CN204680609U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987140A (en) * | 2017-06-01 | 2018-12-11 | 泰科电子(深圳)有限公司 | Electrical contact system |
| CN108987140B (en) * | 2017-06-01 | 2024-04-02 | 泰科电子(深圳)有限公司 | Electrical contact system |
| CN111584298A (en) * | 2020-07-06 | 2020-08-25 | 广东电网有限责任公司东莞供电局 | High-reliability high-voltage vacuum circuit breaker |
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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: 20150930 Termination date: 20160528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |