CN105719892A - Vacuum arc-extinguishing chamber with permanent magnetic mechanism - Google Patents
Vacuum arc-extinguishing chamber with permanent magnetic mechanism Download PDFInfo
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- CN105719892A CN105719892A CN201410715608.2A CN201410715608A CN105719892A CN 105719892 A CN105719892 A CN 105719892A CN 201410715608 A CN201410715608 A CN 201410715608A CN 105719892 A CN105719892 A CN 105719892A
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- conductive rod
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Abstract
The invention discloses a vacuum arc-extinguishing chamber with a permanent magnetic mechanism. The vacuum arc-extinguishing chamber is composed of contacts and the permanent magnetic mechanism, and comprises a static conductive rod (1), a main shield (2), a static contact (3), a dynamic contact (4), a dynamic conductive rod (5), a shield (6), a magnetic yoke (7), insulating resin (8), a closing coil (9), a permanent magnet (10), an opening coil (11), a soft conductor (12), a working air gap (13), an insulating shell (14), a shell baffle (15), an insulating filler (16) and a high-performance magnetic material (17), wherein the permanent magnetic mechanism is arranged inside the arc-extinguishing chamber to realize internal opening and closing. The internal space of the arc-extinguishing chamber can be effectively utilized; compared with the conventional vacuum circuit breaker, the vacuum arc-extinguishing chamber has the advantages that the size is reduced, a few parts are needed and the fault rate can be reduced; and compared with the conventional arc-extinguishing chamber, the vacuum arc-extinguishing chamber has the advantages that since the permanent magnetic mechanism is completely closed in the arc-extinguishing chamber, a corrugated pipe is not needed, so the sealing effect is good and the manufacturing process is simple.
Description
Technical field
The present invention relates to a kind of compact type vacuum arc-chutes, particularly relate to a kind of vacuum interrupter with permanent magnet mechanism being placed in by permanent magnet mechanism within arc-chutes, belong to technical field of electrical equipment.
Background technology
In power system, primary cut-out is by for one of important electrical, its major function be realize circuit cut-off especially cut-offfing short circuit current.Vacuum circuit breaker its there is volume advantage little, lightweight, that need not overhaul suitable in frequent operation, arc extinguishing, apply comparatively universal in power distribution network.
Vacuum circuit breaker is mainly made up of vacuum interrupter and permanent magnet mechanism two parts.Vacuum interrupter can realize cut-offfing in a vacuum, and has good arc extinction performance, higher medium recovery strength, quickly extinguishes electric arc ability, it is possible to reduce accident frequency rate.The features such as simple in construction that permanent magnet mechanism self has, Mechanical Reliability are high, be easily achieved controls, permanent magnetism maintenance energy consumption is low, make the important operating mechanism of one of chopper, contribute to realizing the intellectuality of chopper.
Conventional vacuum circuit breaker is all that operating mechanism is attached by mechanical linkage and touch spring with arc-chutes, moving conductive rod band moving contact move, it is achieved cut-offfing of chopper.This vacuum circuit breaker not only volume is relatively large, and part is more, and structure is compact not and the problem that there is sealing.
Therefore a kind of compact conformation of invention, smaller size smaller, better tightness, the less coenosarc vacuum circuit breaker of fault rate has a wide range of applications, and has the market demand more widely particularly in there being volume requirement special occasions.
Summary of the invention
The purpose of the present invention is that and solves the problems referred to above that prior art exists, for the defect that existing vacuum interrupter exists, it is provided that the vacuum interrupter with permanent magnet mechanism being placed in by permanent magnet mechanism within arc-chutes of a kind of rational in infrastructure, compact, good airproof performance.
For solving above-mentioned technical problem, the present invention is realized in.
A kind of vacuum interrupter with permanent magnet mechanism, mainly it is made up of contact part and permanent magnet mechanism part, including static conductive rod 1, main shield cover 2, static contact 3, moving contact 4, moving conductive rod 5, radome 6, yoke 7, insulating resin 8, closing coil 9, permanent magnet 10, switching winding 11, flexible conductor 12, working gas gap 13, insulation crust 14, shell baffle plate 15, insulation filler 16, high-performance permeability magnetic material 17, described permanent magnet mechanism is arranged on the internal inside that realizes of arc-chutes and cut-offs.
This contact part with the vacuum interrupter of permanent magnet mechanism includes: static conductive rod 1, static contact 3, moving contact 4, moving conductive rod 5, wherein galvanic circle is flowed out through flexible conductor from static conductive rod through static contact, moving contact, arc-chutes are in completely enclosed state, arc-chutes sealing is made to be greatly improved, thus improving arc-chutes service life.
The permanent magnet mechanism system of this vacuum interrupter with permanent magnet mechanism specifically includes that yoke 7, closing coil 9, permanent magnet 10, switching winding 11, working gas gap 13, high-performance permeability magnetic material 17, wherein there is divide-shut brake coil to carry out divide-shut brake, permanent magnet provide and keep.
When electric pressure increases (reduction), it is possible to properly increase (reduction) coil turn, permanent magnet thickness, high-performance permeability magnetic material diameter, successfully cut-off necessary requirement to meet.
Compared with prior art, the invention has the beneficial effects as follows.
The present invention is a kind of vacuum interrupter with permanent magnet mechanism.It has a major advantage in that the space that can effectively utilize within arc-chutes, has the volume of reduction, less parts, it is possible to reduce fault rate compared with conventional vacuum short-circuiting device.Compared with conventional arc-chutes, due to permanent magnet mechanism be completely enclosed within arc-chutes need not sylphon seal effective, manufacturing process is simple.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 is the vacuum interrupter closing position X-Y scheme of the present invention.
Fig. 2 is the vacuum interrupter open position X-Y scheme of the present invention.
Labelling in figure: 1 static conductive rod, 2 main shield covers, 3 static contacts, 4 moving contacts, 5 moving conductive rods, 6 radomes, 7 yokes, 8 insulating resins, 9 closing coils, 10 permanent magnets, 11 switching windings, 12 flexible conductors, 13 working gas gaps, 14 insulation crusts, 15 shell baffle plates, 16 insulation filler, 17 high-performance permeability magnetic materials.
Detailed description of the invention
With reference to Fig. 1, arc-chutes are in closing position, and wherein static conductive rod 1 constitutes current loop together with static contact 3, moving contact 4, moving conductive rod 5, flexible conductor 12.Wherein static conductive rod 1, moving conductive rod 5, carry out electric connection with static contact 3, moving contact 4 respectively, moving conductive rod 5 end and flexible conductor 12 are attached, and flexible conductor 12 other end is connected with stretching out arc-chutes static contact 1 that is outside and that be fixed on shell baffle plate.Electric current is flowed into by static conductive rod 1, flows out through static contact 3, moving contact 4, moving conductive rod 5, flexible conductor 12.Yoke 1, closing coil 9, permanent magnet 10, switching winding 11, working gas gap 13, high-performance permeability magnetic material 17 constitute bistable-state permanent magnet mechanism together.Wherein being fixed on moving conductive rod by high permeability material 17 and insulation filler 16, divide-shut brake coil 9,11 is placed in outside high permeability material 17 through insulating resin 8, and permanent magnet 10 is between divide-shut brake coil 9,11.Making process is completed by closing coil 9, passes into electric current and form closed magnetic circuit between high permeability material 17, yoke 7, working gas gap 13 in closing coil.Being driven moving conductive rod 5 to move by high permeability material 17, and stretch moving conductive rod 5 end flexible conductor 12 and complete making process, after making process completes, coil current is stopped power supply, permanent magnet 10 form closed magnetic circuit through yoke 7 and keep making process.
With reference to Fig. 2, chopper is in open position, and wherein each several part connects identical with figure mono-, and namely static conductive rod 1 constitutes current loop together with static contact 3, moving contact 4, moving conductive rod 5, flexible conductor 12.Wherein static conductive rod 1, moving conductive rod 5, carry out electric connection with static contact 3, moving contact 4 respectively, moving conductive rod 5 end and flexible conductor 12 are attached, and flexible conductor 12 other end is connected with stretching out arc-chutes static contact 1 that is outside and that be fixed on shell baffle plate.Separating brake process current path is flowed into by static conductive rod 1, flows out through static contact contact 3, electric arc, moving contact 4, moving conductive rod 5, flexible conductor 12.Separating brake process passes into electric current in switching winding 11, closed magnetic circuit is formed between high permeability material 17, yoke 7, working gas gap 13, moving conductive rod 5 is driven to move by high-performance permeability magnetic material 17, compression flexible conductor 12 simultaneously, complete separating brake process, after separating brake completes, permanent magnet 10 and yoke 7 closed magnetic circuit formed keeps gate-dividing state.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (7)
1. the vacuum interrupter with permanent magnet mechanism, it is characterized in that mainly being made up of contact part and permanent magnet mechanism part, including static conductive rod (1), main shield cover (2), static contact (3), moving contact (4), moving conductive rod (5), radome (6), yoke (7), insulating resin (8), closing coil (9), permanent magnet (10), switching winding (11), flexible conductor (12), working gas gap (13), insulation crust (14), shell baffle plate (15), insulation filler (16), high-performance permeability magnetic material (17), described permanent magnet mechanism is arranged on the internal inside that realizes of arc-chutes and cut-offs.
2. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterized in that described permanent magnet mechanism includes yoke (7), closing coil (9), permanent magnet (10), switching winding (11), working gas gap (13), high-performance permeability magnetic material (17), wherein carried out divide-shut brake by switching winding (11), closing coil (9), permanent magnet (10) provide and keep.
3. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterized in that described contact part includes static conductive rod (1), static contact (3), moving contact (4), moving conductive rod (5), wherein galvanic circle is flowed out through flexible conductor (12) from static conductive rod (1) through static contact (3), moving contact (4), arc-chutes are in completely enclosed state, arc-chutes sealing is made to be greatly improved, thus improving arc-chutes service life.
4. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterised in that described moving conductive rod end is connected with flexible conductor, overall package, good sealing effect can extend the arc-chutes life-span.
5. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterised in that: increase along with electric pressure or reduce and properly increase or reduce coil turn, permanent magnet thickness, high-performance permeability magnetic material diameter, successfully cut-off necessary requirement to meet.
6. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterised in that: arc-chutes are in closing position, wherein static conductive rod (1) and static contact (3), moving contact (4), moving conductive rod (5), flexible conductor (12) constitutes current loop together, wherein static conductive rod (1), moving conductive rod (, 5) respectively with static contact (3), moving contact (4) is carried out and is electrically coupled, moving conductive rod (5) end and flexible conductor (12) are attached, flexible conductor (12) other end is connected with stretching out arc-chutes static contact (1) that is outside and that be fixed on shell baffle plate, and electric current is flowed into by static conductive rod (1), through static contact (3), moving contact (4), moving conductive rod (5), flexible conductor (12) flows out, yoke (7), closing coil (9), permanent magnet (10), switching winding (11), working gas gap (13), high-performance permeability magnetic material (17) constitutes bistable-state permanent magnet mechanism together, is wherein fixed on moving conductive rod by high permeability material (17) and insulation filler (16), divide-shut brake coil (9), (11) being placed in high permeability material (17) outside through insulating resin (8), permanent magnet (10) is positioned at divide-shut brake coil (9), (11) between, making process is completed by closing coil (9), passes into electric current in high permeability material (17) in closing coil, yoke (7), closed magnetic circuit is formed between working gas gap (13), moving conductive rod (5) motion is driven by high permeability material (17), and stretch moving conductive rod (5) end flexible conductor (12) and complete making process, after making process completes, coil current is stopped power supply, permanent magnet (10) form closed magnetic circuit through yoke (7) and keep making process.
7. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterized in that: chopper is in open position, wherein static conductive rod (1) and static contact (3), moving contact (4), moving conductive rod (5), flexible conductor (12) constitutes current loop together, wherein static conductive rod (1), moving conductive rod (, 5) respectively with static contact (3), moving contact (4) is carried out and is electrically coupled, moving conductive rod (5) end and flexible conductor (12) are attached, flexible conductor (12) other end is connected with stretching out arc-chutes static contact (1) that is outside and that be fixed on shell baffle plate, separating brake process current path is flowed into by static conductive rod (1), through static contact contact (3), electric arc, moving contact (4), moving conductive rod (5), flexible conductor (12) flows out, separating brake process passes into electric current in switching winding (11), in high permeability material (17), yoke (7), closed magnetic circuit is formed between working gas gap (13), moving conductive rod (5) motion is driven by high-performance permeability magnetic material (17), compress flexible conductor (12) simultaneously, complete separating brake process, after separating brake completes, the closed magnetic circuit formed by permanent magnet (10) and yoke (7) keeps gate-dividing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410715608.2A CN105719892A (en) | 2014-12-02 | 2014-12-02 | Vacuum arc-extinguishing chamber with permanent magnetic mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410715608.2A CN105719892A (en) | 2014-12-02 | 2014-12-02 | Vacuum arc-extinguishing chamber with permanent magnetic mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105719892A true CN105719892A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410715608.2A Pending CN105719892A (en) | 2014-12-02 | 2014-12-02 | Vacuum arc-extinguishing chamber with permanent magnetic mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830401A (en) * | 2019-04-04 | 2019-05-31 | 岳盛仙 | A kind of vacuum switch |
| CN111799127A (en) * | 2019-04-09 | 2020-10-20 | 南京南瑞继保电气有限公司 | Direct-acting switch assembly and closed direct-acting switch device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60205931A (en) * | 1984-03-29 | 1985-10-17 | 株式会社東芝 | Vacuum bulb |
| CN2929944Y (en) * | 2006-07-30 | 2007-08-01 | 郭建厂 | Sealed outdoor high voltage permanent mechanism vacuum breaker |
| CN202749294U (en) * | 2012-07-06 | 2013-02-20 | 崔勇 | Switch of permanent magnetic mechanism |
| CN103779137A (en) * | 2014-01-16 | 2014-05-07 | 西安交通大学 | Integrated permanent magnet mechanism vacuum switch |
| CN204289244U (en) * | 2014-12-02 | 2015-04-22 | 沈阳工业大学 | A kind of vacuum interrupter with permanent magnet mechanism |
-
2014
- 2014-12-02 CN CN201410715608.2A patent/CN105719892A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60205931A (en) * | 1984-03-29 | 1985-10-17 | 株式会社東芝 | Vacuum bulb |
| CN2929944Y (en) * | 2006-07-30 | 2007-08-01 | 郭建厂 | Sealed outdoor high voltage permanent mechanism vacuum breaker |
| CN202749294U (en) * | 2012-07-06 | 2013-02-20 | 崔勇 | Switch of permanent magnetic mechanism |
| CN103779137A (en) * | 2014-01-16 | 2014-05-07 | 西安交通大学 | Integrated permanent magnet mechanism vacuum switch |
| CN204289244U (en) * | 2014-12-02 | 2015-04-22 | 沈阳工业大学 | A kind of vacuum interrupter with permanent magnet mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830401A (en) * | 2019-04-04 | 2019-05-31 | 岳盛仙 | A kind of vacuum switch |
| CN111799127A (en) * | 2019-04-09 | 2020-10-20 | 南京南瑞继保电气有限公司 | Direct-acting switch assembly and closed direct-acting switch device |
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Application publication date: 20160629 |