CN204289244U - A kind of vacuum interrupter with permanent magnet mechanism - Google Patents
A kind of vacuum interrupter with permanent magnet mechanism Download PDFInfo
- Publication number
- CN204289244U CN204289244U CN201420740776.2U CN201420740776U CN204289244U CN 204289244 U CN204289244 U CN 204289244U CN 201420740776 U CN201420740776 U CN 201420740776U CN 204289244 U CN204289244 U CN 204289244U
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- permanent magnet
- conductive rod
- moving
- contact
- flexible conductor
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Abstract
A kind of vacuum interrupter with permanent magnet mechanism, be made up of contact part and permanent magnet mechanism part, comprise static conductive rod (1), main shield cover (2), fixed 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 arc control device inside and realizes inside and cut-off.The utility model effectively can utilize the space of arc control device inside, has the volume of reduction compared with vacuum short-circuiting device in the past, and less parts can reduce failure rate; Compared with arc control device in the past, do not need sylphon seal effective because permanent magnet mechanism is completely enclosed within arc control device, manufacturing process is simple.
Description
Technical field
The utility model relates to a kind of compact type vacuum arc control device, particularly relates to a kind of vacuum interrupter with permanent magnet mechanism permanent magnet mechanism being placed in arc control device inside, belongs to technical field of electrical equipment.
Background technology
In electric power system, primary cut-out is by being one of important electrical, its major function be realizing circuit cut-off cut-offfing especially to short circuit current.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.
Vacuum circuit-breaker is primarily of vacuum interrupter and permanent magnet mechanism two parts composition.Vacuum interrupter can realize cut-offfing in a vacuum, and has good arc extinction performance, higher medium recovery strength, and extinguish fast electric arc ability, can reduce accident frequency rate.The structure that permanent magnet mechanism self has is simple, Mechanical Reliability is high, be easy to realize control, permanent magnetism keeps the features such as energy consumption is low, makes it to become the important operating mechanism of one of circuit breaker, contributes to the intellectuality realizing circuit breaker.
Vacuum circuit-breaker is in the past all that operating mechanism is connected with touch spring by mechanical linkage with arc control device, is moved, realize cut-offfing of circuit breaker by moving conductive rod band moving contact.This vacuum circuit-breaker not only volume is relatively large, and part is more, and structure is compact not and there is the problem of sealing.
Therefore invent a kind of compact conformation, smaller size smaller, better tightness, the coenosarc vacuum circuit-breaker that failure rate is lower has a wide range of applications, and is especially having volume requirement special occasions to have the market demand more widely.
Summary of the invention
The purpose of this utility model is just the problems referred to above solving prior art existence, for the defect that existing vacuum interrupter exists, provide a kind of vacuum interrupter with permanent magnet mechanism permanent magnet mechanism being placed in arc control device inside of rational in infrastructure, compact, good airproof performance.
For solving the problems of the technologies described above, the utility model realizes like this.
A kind of vacuum interrupter with permanent magnet mechanism, primarily of contact part and permanent magnet mechanism part composition, comprise static conductive rod 1, main shield cover 2, fixed 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 arc control device inside and realizes inside and cut-off.
The contact part of this vacuum interrupter with permanent magnet mechanism comprises: static conductive rod 1, fixed contact 3, moving contact 4, moving conductive rod 5, wherein galvanic circle is flowed out through flexible conductor from static conductive rod through fixed contact, moving contact, arc control device are in complete closed state, arc control device sealing is improved greatly, thus improves arc control device useful life.
The permanent magnet mechanism system of this vacuum interrupter with permanent magnet mechanism mainly comprises: 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, provide maintenance by permanent magnet.
When electric pressure increases (reduction), suitably can improve (reduction) coil turn, permanent magnet thickness, high-performance permeability magnetic material diameter, successfully cut-offs necessary requirement to meet.
Compared with prior art, the beneficial effects of the utility model are.
The utility model is a kind of vacuum interrupter with permanent magnet mechanism.Its major advantage is the space that effectively can utilize arc control device inside, has the volume of reduction, less parts, can reduce failure rate compared with vacuum short-circuiting device in the past.Compared with arc control device in the past, do not need sylphon seal effective because permanent magnet mechanism is completely enclosed within arc control device, manufacturing process is simple.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is vacuum interrupter closing position X-Y scheme of the present utility model.
Fig. 2 is vacuum interrupter open position X-Y scheme of the present utility model.
Mark in figure: 1 static conductive rod, 2 main shield covers, 3 fixed 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.
Embodiment
With reference to Fig. 1, arc control device are in closing position, and wherein static conductive rod 1 forms current circuit together with fixed 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 fixed contact 3, moving contact 4 respectively, moving conductive rod 5 end is connected with flexible conductor 12, flexible conductor 12 other end with stretch out the outside and fixed contact 1 be fixed on shell baffle plate of arc control device and be connected.Electric current is flowed into by static conductive rod 1, flows out through fixed 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 form bistable-state permanent magnet mechanism together.Wherein be 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 in closing coil between high permeability material 17, yoke 7, working gas gap 13.Drive moving conductive rod 5 to move by high permeability material 17, and the moving conductive rod 5 end flexible conductor 12 that stretches completes making process, after making process completes, coil current is stopped power supply, and forms closed magnetic circuit keep making process by permanent magnet 10 through yoke 7.
With reference to Fig. 2, circuit breaker is in open position, and wherein each several part connects identical with figure mono-, and namely static conductive rod 1 forms current circuit together with fixed 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 fixed contact 3, moving contact 4 respectively, moving conductive rod 5 end is connected with flexible conductor 12, flexible conductor 12 other end with stretch out the outside and fixed contact 1 be fixed on shell baffle plate of arc control device and be connected.Separating brake process current path is flowed into by static conductive rod 1, flows out through fixed 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, 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.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. the vacuum interrupter with permanent magnet mechanism, it is characterized in that being made up of contact part and permanent magnet mechanism part, comprise static conductive rod (1), main shield cover (2), fixed 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 arc control device inside and realizes inside and cut-off.
2. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterized in that described permanent magnet mechanism comprises yoke (7), closing coil (9), permanent magnet (10), switching winding (11), working gas gap (13), high-performance permeability magnetic material (17), wherein carry out divide-shut brake by switching winding (11), closing coil (9), provide maintenance by permanent magnet (10).
3. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterized in that described contact part comprises static conductive rod (1), fixed 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 fixed contact (3), moving contact (4), and arc control device are in complete closed state.
4. the vacuum interrupter with permanent magnet mechanism according to claim 1, is characterized in that described moving conductive rod end is connected with flexible conductor, overall package.
5. the vacuum interrupter with permanent magnet mechanism according to claim 1, is characterized in that: increase along with electric pressure or reduce suitably improve 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, is characterized in that: arc control device are in closing position, wherein static conductive rod (1) and fixed contact (3), moving contact (4), moving conductive rod (5), flexible conductor (12) forms current circuit together, wherein static conductive rod (1), moving conductive rod (, 5) respectively with fixed contact (3), moving contact (4) is carried out and is electrically connected, moving conductive rod (5) end is connected with flexible conductor (12), flexible conductor (12) other end with stretch out the arc control device outside and fixed contact (1) be fixed on shell baffle plate and be connected, electric current by static conductive rod (1) inflow, through fixed 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) forms 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) be 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), working gas gap forms closed magnetic circuit between (13), moving conductive rod (5) is driven to move by high permeability material (17), and the moving conductive rod that stretches (5) end flexible conductor (12) completes making process, after making process completes, coil current is stopped power supply, and forms closed magnetic circuit keep making process by permanent magnet (10) through yoke (7).
7. the vacuum interrupter with permanent magnet mechanism according to claim 1, it is characterized in that: circuit breaker is in open position, wherein static conductive rod (1) and fixed contact (3), moving contact (4), moving conductive rod (5), flexible conductor (12) forms current circuit together, wherein static conductive rod (1), moving conductive rod (, 5) respectively with fixed contact (3), moving contact (4) is carried out and is electrically connected, moving conductive rod (5) end is connected with flexible conductor (12), flexible conductor (12) other end with stretch out the outside and fixed contact (1) be fixed on shell baffle plate of arc control device and be connected, separating brake process current path is flowed into by static conductive rod (1), through fixed 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), working gas gap forms closed magnetic circuit between (13), moving conductive rod (5) is driven to move 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 |
|---|---|---|---|
| CN201420740776.2U CN204289244U (en) | 2014-12-02 | 2014-12-02 | A kind of vacuum interrupter with permanent magnet mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740776.2U CN204289244U (en) | 2014-12-02 | 2014-12-02 | A kind of vacuum interrupter with permanent magnet mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204289244U true CN204289244U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420740776.2U Expired - Fee Related CN204289244U (en) | 2014-12-02 | 2014-12-02 | A kind of vacuum interrupter with permanent magnet mechanism |
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| CN (1) | CN204289244U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719892A (en) * | 2014-12-02 | 2016-06-29 | 沈阳工业大学 | Vacuum arc-extinguishing chamber with permanent magnetic mechanism |
| CN106923644A (en) * | 2015-12-31 | 2017-07-07 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus |
| CN109346373A (en) * | 2018-12-03 | 2019-02-15 | 福州天宇电气股份有限公司 | Three station high-pressure vacuum breakers and its working method |
| CN109585224A (en) * | 2017-09-29 | 2019-04-05 | 浙江正泰电器股份有限公司 | DC relay |
| 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 |
-
2014
- 2014-12-02 CN CN201420740776.2U patent/CN204289244U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719892A (en) * | 2014-12-02 | 2016-06-29 | 沈阳工业大学 | Vacuum arc-extinguishing chamber with permanent magnetic mechanism |
| CN106923644A (en) * | 2015-12-31 | 2017-07-07 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus |
| CN109585224A (en) * | 2017-09-29 | 2019-04-05 | 浙江正泰电器股份有限公司 | DC relay |
| CN109585224B (en) * | 2017-09-29 | 2024-04-12 | 浙江正泰电器股份有限公司 | DC relay |
| CN109346373A (en) * | 2018-12-03 | 2019-02-15 | 福州天宇电气股份有限公司 | Three station high-pressure vacuum breakers and its working method |
| CN109346373B (en) * | 2018-12-03 | 2024-02-09 | 福州天宇电气股份有限公司 | Three-station high-voltage vacuum circuit breaker and working method thereof |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |