CN201508798U - Permanent magnetic vacuum circuit breaker - Google Patents
Permanent magnetic vacuum circuit breaker Download PDFInfo
- Publication number
- CN201508798U CN201508798U CN2009200495278U CN200920049527U CN201508798U CN 201508798 U CN201508798 U CN 201508798U CN 2009200495278 U CN2009200495278 U CN 2009200495278U CN 200920049527 U CN200920049527 U CN 200920049527U CN 201508798 U CN201508798 U CN 201508798U
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- lever
- connecting lever
- permanent magnetic
- pin
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Abstract
The utility model relates to the technical field of vacuum circuit breaker, particularly a permanent magnetic vacuum circuit breaker. The whole transmission process is composed of a first class lever mechanism, a second class four bar mechanism and a first class sliding block mechanism. The permanent magnetic mechanism provides an input stroke of opening-closing gate action; the permanent magnetic mechanism adopts a bistable permanent magnetic maintenance mechanism, a movable iron core of the permanent magnetic mechanism acts downwards for driving a connection plate A action, urges a connecting lever rotate, the connecting lever rotates for driving a main shaft rotation through the first class four bar mechanism, the main shaft rotates and drives the lever connecting lever rotate through another class four bar connection mechanism, the lever and the connecting lever rotate at same time for providing stroke for explosion chamber closing-opening gate in the back main loop. The permanent magnetic circuit breaker has advantages of simple structure, high reliability and long service life.
Description
Technical field
The utility model relates to the vacuum circuit-breaker technical field, especially a kind of permanent magnetism vacuum circuit-breaker.
Background technology
Its operating mechanism of conventional high-tension vacuum circuit-breaker mainly adopts spring operating mechanism, and parts are many, complex structure, and therefore, the source of trouble is many, long-term frequent operation, failure rate height then, useful life is lower, and maintenance workload is big.Mainly the motion parts are few with it for the permanent magnetic actuator vacuum circuit breaker of Chu Xianing in recent years, and reliable in action, permanent magnet mechanism characteristic and vacuum circuit-breaker characteristic advantage such as match and receive much concern; But the mechanism of permanent magnetic actuator vacuum circuit breaker adopts the direct transmission of lever in the transmission of power at present, or realize by modes such as one-level four connecting rod transmissions, permanent magnet directly is connected with the input connecting lever, in the divide-shut brake process, connecting lever directly is connected with the permanent magnet mechanism take-off lever, and frictional force is big, efficient is not high, permanent magnet mechanism take-off lever force in radial is bigger, causes the damage of mechanism easily, has a strong impact on the useful life of circuit breaker.
The utility model content
The purpose of this utility model provides a kind of structure simpler at above-mentioned weak point, and reliability is higher, the permanent magnetism vacuum circuit-breaker of longer service life.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of permanent magnetism vacuum circuit-breaker, has cabinet, major loop, permanent magnet mechanism, major loop places on the cabinet, permanent magnet mechanism places in the cabinet, and the upper end links to each other with urgent switching-off device, and the lower end connects connecting plate A by pin, the connecting plate A other end is connected the connecting lever end by pin, the connecting lever other end is fixed on the cabinet by pin, can rotate around pin, constitutes the one-level slide block mechanism;
The top of connecting lever movable end is provided with connecting plate B, and the other end of connecting plate B links to each other by pin with the input connecting lever, and the input connecting lever is fixed on the main shaft, constitutes the first order " Z " shape quadric chain;
Also be fixed with the three-phase connecting lever on the main shaft, the three-phase connecting lever other end links to each other with connecting plate C by pin, and the other end of connecting plate C links to each other with the lever connecting lever by pin, constitutes second level quadric chain;
The lever connecting lever is fixed on the cabinet by pin, can rotate around pin, and the other end links to each other with the insulated tension pole of major loop, constitutes the one-level leverage.
Whole transmission process is by the one-level leverage, and secondary quadric chain and one-level slide block mechanism constitute, and permanent magnet mechanism adopts the bistable permanent magnetic maintaining body, and the input travel of on/off switch action is provided; The moving action downwards unshakable in one's determination of permanent magnet mechanism drives connecting plate A action, impel connecting lever to rotate, connecting lever rotates by the one-level quadric chain and drives the main shaft rotation, and main shaft rotates, drive the lever connecting lever by another grade quadric chain again and rotate, for the arc control device on/off switch in the major loop of back provides stroke.
The beneficial effects of the utility model are: in whole transmittance process, adopted the one-level slide block mechanism to impel the connecting lever of the first order four connecting rods to rotate, prevented that effectively circuit breaker is in the on/off switch process, permanent magnet mechanism moves the iron core bearing radial force, effectively prevent the flexural deformation of moving iron core, improved the useful life of permanent magnet mechanism greatly;
The first order four connecting rods adopt the zigzag structure, have reduced the assembling height of whole permanent magnet mechanism, have saved the space of whole circuit breaker cabinet greatly;
When closing a floodgate maintenance, by the transmission of two-stage four connecting rods, the closing retention force requirement of Jiang Ji permanent magnet mechanism greatly, the useful life of having improved whole circuit breaker;
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1. urgent switching-off device, 2. permanent magnet mechanism, 3. main shaft, 4. input connecting lever, 5. connecting plate, 6. connecting plate B, 7. connecting lever, 8. three-phase connecting lever, 9. connecting plate C, 10. lever connecting lever, 11. bearing pins, 12. cabinets, 13. insulated tension poles, 14. major loops.
Embodiment
A kind of permanent magnetism vacuum circuit-breaker, has cabinet 12, major loop 14, permanent magnet mechanism 2, major loop 14 places on the cabinet 12, permanent magnet mechanism 2 places in the cabinet 12, and the upper end links to each other with urgent switching-off device 1, and the lower end connects connecting plate A5 by pin, the connecting plate A5 other end is connected connecting lever 7 ends by pin, connecting lever 7 other ends are fixed on the cabinet 12 by pin, can rotate around pin, constitute the one-level slide block mechanism;
The top of connecting lever 7 movable ends is provided with connecting plate B6, and the other end of connecting plate B6 links to each other by pin with input connecting lever 4, and input connecting lever 4 is fixed on the main shaft 3, the formation first order " Z " shape quadric chain;
Also be fixed with three-phase connecting lever 8 on the main shaft 3, three-phase connecting lever 8 other ends link to each other with connecting plate C9 by pin, and the other end of connecting plate C9 links to each other with lever connecting lever 10 by pin, constitute second level quadric chain;
Whole transmission process is by the one-level leverage, and secondary quadric chain and one-level slide block mechanism constitute, and permanent magnet mechanism 2 adopts the bistable permanent magnetic maintaining body, and the input travel of on/off switch action is provided; Permanent magnet mechanism 2 moving actions downwards unshakable in one's determination drive connecting plate A5 action, impel connecting lever 7 to rotate, connecting lever 7 rotates by the one-level quadric chain and drives main shaft 3 rotations, main shaft 3 rotates, drive lever connecting lever 10 by another grade quadric chain again and rotate, for the arc control device on/off switch in the major loop 14 of back provides stroke.
Claims (1)
1. a permanent magnetism vacuum circuit-breaker has cabinet (12), major loop (14), and permanent magnet mechanism (2) is characterized in that:
Major loop (14) places on the cabinet (12), permanent magnet mechanism (2) places in the cabinet (12), the upper end links to each other with urgent switching-off device (1), the lower end connects connecting plate A (5) by pin, connecting plate A (5) other end is connected connecting lever (7) end by pin, connecting lever (7) other end is fixed on the cabinet (12) by pin, can rotate around pin, constitutes the one-level slide block mechanism;
The top of connecting lever (7) movable end is provided with connecting plate B (6), and the other end of connecting plate B (6) links to each other by pin with input connecting lever (4), and input connecting lever (4) is fixed on the main shaft (3), constitutes the first order " Z " shape quadric chain;
Also be fixed with three-phase connecting lever (8) on the main shaft (3), three-phase connecting lever (8) other end links to each other with connecting plate C (9) by pin, and the other end of connecting plate C (9) links to each other with lever connecting lever (10) by pin, constitutes second level quadric chain;
Lever connecting lever (10) is fixed on the cabinet (12) by bearing pin (11), can rotate around bearing pin (11), and the other end links to each other with the insulated tension pole (13) of major loop (14), constitutes the one-level leverage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200495278U CN201508798U (en) | 2009-09-29 | 2009-09-29 | Permanent magnetic vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200495278U CN201508798U (en) | 2009-09-29 | 2009-09-29 | Permanent magnetic vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508798U true CN201508798U (en) | 2010-06-16 |
Family
ID=42469922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200495278U Expired - Fee Related CN201508798U (en) | 2009-09-29 | 2009-09-29 | Permanent magnetic vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201508798U (en) |
-
2009
- 2009-09-29 CN CN2009200495278U patent/CN201508798U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20170929 |