CN202423101U - Permanent-magnetic vacuum circuit breaker - Google Patents
Permanent-magnetic vacuum circuit breaker Download PDFInfo
- Publication number
- CN202423101U CN202423101U CN2011204947750U CN201120494775U CN202423101U CN 202423101 U CN202423101 U CN 202423101U CN 2011204947750 U CN2011204947750 U CN 2011204947750U CN 201120494775 U CN201120494775 U CN 201120494775U CN 202423101 U CN202423101 U CN 202423101U
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- Prior art keywords
- gangbar
- permanent magnet
- magnet type
- links
- driving shaft
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a permanent-magnetic vacuum circuit breaker, which comprises a frame, three vacuum switch tubes, insulation draw bar assemblies and a permanent-magnetic driving device, wherein the three vacuum switch tubes are arranged on the frame, the insulation draw bar assemblies are connected with movable contacts in the vacuum switch tubes, and the permanent-magnetic driving device is used for driving the insulation draw bar assemblies to move synchronously. The permanent-magnetic driving device comprises two permanent-magnetic driving mechanisms and a linkage rod, wherein the two permanent-magnetic driving mechanisms are respectively provided with a driving shaft, the linkage rod is fixedly connected with the two driving shafts and is further connected with the three insulation draw bar assemblies, the two permanent-magnetic driving mechanisms drive the linkage rod to move back and forth via the driving shafts of the two permanent-magnetic driving mechanisms, and the linkage rod drives the insulation draw bar assemblies and the movable contacts to be connected or disconnected. The permanent-magnetic vacuum circuit breaker is reasonable in structure and fine in work reliability and stability.
Description
Technical field
The utility model belongs to the breaker structure design field, is specifically related to a kind of permanent magnet type vacuum circuit-breaker.
Background technology
The magneto close/open machine that at present high, medium and low voltage breaker and contactor use in the coal mine explosion-proof feed system, generally be every switching tube by a permanent magnet mechanism linear drives, and realize Synchronization Control through electronic technology; Or by a permanent magnet mechanism through rotating three switching tubes of connecting lever driven in synchronism.The former technical difficulty is big and technology is also immature, is difficult to realize the three-phase synchronization action, so can't use in the lower occasion of product price; The latter need increase guider could realize linear drives, and so not only complex structure, cost are high, and functional reliability, stability also can't be compared with linear drives.
The utility model content
It is comparatively reasonable that the purpose of the utility model provides a kind of structure, and functional reliability and stability is permanent magnet type vacuum circuit-breaker preferably all.
The technical scheme that realizes the utility model purpose is: a kind of permanent magnet type vacuum circuit-breaker, comprise framework, be arranged on three vacuum switch tubes on the framework, with each vacuum switch tube in the insulated tension pole assembly that links to each other of moving contact and be used to drive the magneto drive unit that said each insulated tension pole component synchronization is moved; Said permanent magnet type drive mechanism comprises that two respectively are provided with the permanent magnet type drive mechanism of a driving shaft and the gangbar that is fixedly linked with two driving shafts, and said gangbar also links to each other with three insulated tension pole assemblies; Said two permanent magnet type drive mechanisms drive gangbar through its driving shaft and move back and forth, and then do the divide-shut brake action through gangbar drive insulated tension pole assembly and moving contact.
In the such scheme, the driving shaft in said two permanent magnet type drive mechanisms, switching tube, insulated tension pole assembly all are provided with along the plumb line direction, and said gangbar along continuous straight runs is provided with; Said permanent magnet type drive mechanism drives gangbar, insulated tension pole assembly and moving contact through driving shaft and moves back and forth along the plumb line direction.
In the such scheme, said each insulated tension pole assembly comprises the upper connecting rod that links to each other with moving contact that is provided with insulator, is arranged on insulator top, lower link that links to each other with gangbar and the contact buffer spring that is arranged on the insulator bottom; Said contact buffer spring is set on the lower link, and an end is against on the gangbar, and the other end is against on the insulator.
In the such scheme, said three lower links and two driving shaft separation gangbar both sides, said each lower link links to each other with gangbar through the bearing pin that an along continuous straight runs is provided with driving shaft separately.
In the such scheme, said gangbar is provided with two waist-shaped holes that are used for linking to each other with lower link and two circular axis holes that are used for linking to each other with driving shaft that along continuous straight runs runs through gangbar; Each circular axis hole is between two adjacent waist-shaped holes; Said each bearing pin is circular bearing pin.
In the such scheme, said three switching tubes are positioned at directly over the gangbar, and said two driving shafts are arranged under the gangbar; Said gangbar is provided with along what the plumb line direction ran through gangbar and is used for waist-shaped hole that links to each other with lower link and the circular axis hole that is used for linking to each other with driving shaft.
In the such scheme, said permanent magnet type drive mechanism also comprises two auxiliary tripping springs, and said auxiliary tripping spring is symmetricly set on the gangbar two side ends, and an end of said each auxiliary tripping spring is hooked on the gangbar, and the other end is hooked on the framework.
In the such scheme, said magneto drive unit also comprises synchronizing shaft, and the lower end of driving shaft links to each other with synchronizing shaft in said each permanent magnet type drive mechanism.
In the such scheme, the lower end of said each driving shaft directly is fixed on the synchronizing shaft or through the connecting lever assembly and links to each other with synchronizing shaft.
The utlity model has following advantage: (1) the utility model carries out the divide-shut brake action through adopting two permanent magnet type drive mechanisms to drive three switching tubes synchronously; Compare with three permanent magnet type drive mechanisms of Traditional use; The source of trouble is less, effectively improves mechanism reliability and reduces cost; In addition; The utility model is through adopting the mode of driving shaft linear drives gangbar and then drive switching tube divide-shut brake; The mode of also rotating and then drive the switching tube divide-shut brake than Traditional use drive shaft connecting lever is more reliable; More stable, can be widely used in the feed system that the colliery has explosion-resistant enclosure.
(2) in the utility model, said three lower links and two driving shaft separation gangbar both sides, said each lower link links to each other with gangbar through the bearing pin that an along continuous straight runs is provided with driving shaft separately.This structure is compared with traditional magneto mechanism; Because can be the upper end of the bottom of lower link, driving shaft and the overlapping certain altitude of gangbar; Thereby effectively reduce the whole required height of switching tube, insulated tension pole assembly and permanent magnet type drive mechanism, also promptly can reduce the whole height of switch.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Reference numeral is: framework 1, vacuum switch tube 2, insulated tension pole assembly 3, insulator 31; Upper connecting rod 32, lower link 33, contact buffer spring 34, magneto drive unit 4; Permanent magnet type drive mechanism 41, driving shaft 411, gangbar 42, waist-shaped hole 421; Circular pivot pin 422, axis hole 423, auxiliary tripping spring 43, synchronizing shaft 44.
Embodiment
(embodiment 1)
Fig. 1 is a kind of structural representation of the utility model, has shown a kind of embodiment of the utility model.Present embodiment is a kind of permanent magnet type vacuum circuit-breaker; See shown in Figure 1ly, comprise framework 1, be arranged on three vacuum switch tubes 2 on the framework 1, with each vacuum switch tube 2 in the insulated tension pole assembly 3 that links to each other of moving contact and be used to drive the magneto drive unit 4 that said each insulated tension pole assembly 3 is synchronized with the movement.
Said permanent magnet type drive mechanism 41 comprises gangbar that two permanent magnet type drive mechanisms that respectively are provided with a driving shaft 411 41, one and two driving shafts 411 are fixedly linked 42, two auxiliary tripping springs 43 and synchronizing shafts 44; Said gangbar 42 also links to each other with three insulated tension pole assemblies 3; Said two permanent magnet type drive mechanisms 41 drive gangbar 42 through its driving shaft 411 and move back and forth, and then do the divide-shut brake action through gangbar 42 drive insulated tension pole assemblies 3 and moving contact; Said auxiliary tripping spring 43 is symmetricly set on gangbar 42 two side ends, and an end of said each auxiliary tripping spring 43 is hooked on the gangbar 42, and the other end is hooked on the framework 1.
The lower end of driving shaft 411 links to each other with synchronizing shaft 44 in said each permanent magnet type drive mechanism 41.The lower end of each driving shaft 411 directly is fixed on the synchronizing shaft 44 described in the present embodiment, guarantees two driving shaft synchronization actions of two permanent mechanism driving mechanisms, in concrete practice, also can link to each other with synchronizing shaft 44 through the connecting lever assembly, and all be feasible.
Driving shaft 411 in said two permanent magnet type drive mechanisms 41, switching tube, insulated tension pole assembly 3 all are provided with along the plumb line direction, said gangbar 42 along continuous straight runs settings; Said permanent magnet type drive mechanism 41 drives gangbar 42, insulated tension pole assembly 3 and moving contact through driving shaft 411 and moves back and forth along the plumb line direction.
Said each insulated tension pole assembly 3 comprises the upper connecting rod that links to each other with moving contact 32 that is provided with insulator 31, is arranged on insulator 31 tops, lower link 33 that links to each other with gangbar 42 and the contact buffer spring 34 that is arranged on insulator 31 bottoms; Said contact buffer spring 34 is set on the lower link 33, and an end is against on the gangbar 42, and the other end is against on the insulator 31.
In the present embodiment, said three lower links 33 and two driving shaft 411 separation gangbar 42 both sides, said each lower link 33 links to each other with gangbar 42 through the bearing pin 422 that an along continuous straight runs is provided with driving shaft 411 separately.
Said gangbar 42 is provided with two waist-shaped holes 421 that are used for linking to each other with lower link 33 and two that are used for linking to each other with driving shaft 411 circular axis holes 423 that along continuous straight runs runs through gangbar 42; Each circular axis hole 423 is between two adjacent waist-shaped holes 421; Said each bearing pin 422 is circular bearing pins.
In the present embodiment; Driving shaft in the said permanent mechanism driving mechanism and moving unshakable in one's determination linking to each other; When the combined floodgate solenoid is not switched on; Because the reseting elasticity that auxiliary tripping spring provides adds the self-closing power of the suction of permanent magnet in the permanent mechanism driving mechanism greater than three switching tubes, moving contact and fixed contact are in open position in the switching tube.When making electromagnet is switched on, moving unshakable in one's determination drive the reseting elasticity that driving shaft overcomes auxiliary tripping spring and move up, and then promote gangbar and the insulated tension pole assembly makes the switching tube closure with the suction of permanent magnet.The solenoid outage is kept by permanent magnet after the switching tube closure.When connecting the tripping electromagnet power supply, under the reset response of the opposing magnetic field of solenoid and auxiliary tripping spring, iron core is moved downward, make the rapid disjunction of dynamic/static contact in the switching tube through gangbar drive insulated tension pole assembly.
Present embodiment has the following advantages: (1) present embodiment carries out the divide-shut brake action through adopting two permanent magnet type drive mechanisms to drive three switching tubes synchronously; Compare with three permanent magnet type drive mechanisms of Traditional use; The source of trouble is less, effectively improves mechanism reliability and reduces cost; In addition; The utility model is through adopting the mode of driving shaft linear drives gangbar and then drive switching tube divide-shut brake; The mode of also rotating and then drive the switching tube divide-shut brake than Traditional use drive shaft connecting lever is more reliable; More stable, can be widely used in the feed system that the colliery has explosion-resistant enclosure.
(2) in the present embodiment, said three lower links 33 and two driving shaft 411 separation gangbar 42 both sides, said each lower link 33 links to each other with gangbar 42 through the bearing pin 422 that an along continuous straight runs is provided with driving shaft 411 separately.This structure is compared with traditional magneto mechanism; Because can be the upper end of the bottom of lower link, driving shaft and the overlapping certain altitude of gangbar; Thereby effectively reduce the whole required height of switching tube, insulated tension pole assembly and permanent magnet type drive mechanism, also promptly can reduce the whole height of switch.
(embodiment 2)
Present embodiment and embodiment 1 are basic identical, and difference is: said three switching tubes are positioned at directly over the gangbar 42, and said two driving shafts 411 are arranged under the gangbar 42; Said gangbar 42 is provided with along what the plumb line direction ran through gangbar 42 and is used for waist-shaped hole 421 that links to each other with lower link 33 and the circular axis hole 423 that is used for linking to each other with driving shaft 411; The bottom of said each lower link 33 is stretched in the corresponding waist-shaped hole 421 along the plumb line direction, and links to each other with gangbar 42 through a circular pivot pin 422; The upper end edge plumb line direction of said each driving shaft 411 stretches in the corresponding circular axis hole 423, and links to each other with gangbar 42 through a circular pivot pin 422.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the execution mode of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection range of the utility model.
Claims (9)
1. a permanent magnet type vacuum circuit-breaker comprises framework (1), is arranged on three vacuum switch tubes (2), the insulated tension pole assembly (3) that links to each other with the middle moving contact of each vacuum switch tube (2) on the framework (1) and is used to drive the magneto drive unit (4) that said each insulated tension pole assembly (3) is synchronized with the movement; It is characterized in that: said permanent magnet type drive mechanism (41) comprises that two respectively are provided with the permanent magnet type drive mechanism (41) of a driving shaft (411) and the gangbar (42) that is fixedly linked with two driving shafts (411), and said gangbar (42) also links to each other with three insulated tension pole assemblies (3); Said two permanent magnet type drive mechanisms (41) drive gangbar (42) through its driving shaft (411) and move back and forth, and then do the divide-shut brake action through gangbar (42) drive insulated tension pole assembly (3) and moving contact.
2. permanent magnet type vacuum circuit-breaker according to claim 1; It is characterized in that: the driving shaft (411) in said two permanent magnet type drive mechanisms (41), switching tube, insulated tension pole assembly (3) all are provided with along the plumb line direction, said gangbar (42) along continuous straight runs setting; Said permanent magnet type drive mechanism (41) drives gangbar (42), insulated tension pole assembly (3) and moving contact through driving shaft (411) and moves back and forth along the plumb line direction.
3. permanent magnet type vacuum circuit-breaker according to claim 2 is characterized in that: said each insulated tension pole assembly (3) comprises the upper connecting rod that links to each other with moving contact (32) that is provided with insulator (31), is arranged on insulator (31) top, lower link (33) that links to each other with gangbar (42) and the contact buffer spring (34) that is arranged on insulator (31) bottom; Said contact buffer spring (34) is set on the lower link (33), and an end is against on the gangbar (42), and the other end is against on the insulator (31).
4. permanent magnet type vacuum circuit-breaker according to claim 3; It is characterized in that: said three lower links (33) and two driving shafts (411) separation gangbar (42) both sides, said each lower link (33) links to each other with gangbar (42) through the bearing pin (422) that an along continuous straight runs is provided with driving shaft (411) separately.
5. permanent magnet type vacuum circuit-breaker according to claim 4 is characterized in that: said gangbar (42) is provided with two waist-shaped holes (421) that are used for linking to each other with lower link (33) and two the circular axis holes (423) that are used for linking to each other with driving shaft (411) that along continuous straight runs runs through gangbar (42); Each circular axis hole (423) is positioned between adjacent two waist-shaped holes (421); Said each bearing pin (422) is circular bearing pin.
6. permanent magnet type vacuum circuit-breaker according to claim 3 is characterized in that: said three switching tubes are positioned at directly over the gangbar (42), and said two driving shafts (411) are arranged under the gangbar (42); Said gangbar (42) is provided with along what the plumb line direction ran through gangbar (42) and is used for waist-shaped hole (421) that links to each other with lower link (33) and the circular axis hole (423) that is used for linking to each other with driving shaft (411).
7. permanent magnet type vacuum circuit-breaker according to claim 1; It is characterized in that: said permanent magnet type drive mechanism (41) also comprises two auxiliary tripping springs (43); Said auxiliary tripping spring (43) is symmetricly set on gangbar (42) two side ends; One end of said each auxiliary tripping spring (43) is hooked on the gangbar (42), and the other end is hooked on the framework (1).
8. permanent magnet type vacuum circuit-breaker according to claim 1 is characterized in that: said magneto drive unit (4) also comprises synchronizing shaft (44), and the lower end of driving shaft (411) links to each other with synchronizing shaft (44) in said each permanent magnet type drive mechanism (41).
9. permanent magnet type vacuum circuit-breaker according to claim 8 is characterized in that: the lower end of said each driving shaft (411) directly is fixed on synchronizing shaft (44) and upward or through the connecting lever assembly links to each other with synchronizing shaft (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204947750U CN202423101U (en) | 2011-12-02 | 2011-12-02 | Permanent-magnetic vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204947750U CN202423101U (en) | 2011-12-02 | 2011-12-02 | Permanent-magnetic vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202423101U true CN202423101U (en) | 2012-09-05 |
Family
ID=46747837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204947750U Expired - Fee Related CN202423101U (en) | 2011-12-02 | 2011-12-02 | Permanent-magnetic vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202423101U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522254A (en) * | 2011-12-02 | 2012-06-27 | 安徽宇腾真空电气有限责任公司 | Permanent magnet type vacuum circuit breaker |
| CN104134556A (en) * | 2013-07-16 | 2014-11-05 | 国家电网公司 | Operating mechanism and circuit breaker using same |
-
2011
- 2011-12-02 CN CN2011204947750U patent/CN202423101U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522254A (en) * | 2011-12-02 | 2012-06-27 | 安徽宇腾真空电气有限责任公司 | Permanent magnet type vacuum circuit breaker |
| CN104134556A (en) * | 2013-07-16 | 2014-11-05 | 国家电网公司 | Operating mechanism and circuit breaker using same |
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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: 20120905 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |