CN109950092A - A kind of vacuum circuit breaker weakens the vacuum interrupter of impact - Google Patents
A kind of vacuum circuit breaker weakens the vacuum interrupter of impact Download PDFInfo
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- CN109950092A CN109950092A CN201910369559.4A CN201910369559A CN109950092A CN 109950092 A CN109950092 A CN 109950092A CN 201910369559 A CN201910369559 A CN 201910369559A CN 109950092 A CN109950092 A CN 109950092A
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Abstract
The invention discloses the vacuum interrupters that a kind of vacuum circuit breaker weakens impact, its structure includes moving conductive rod, weaken impact arc-chutes, static conductive rod, moving conductive rod lower end is mounted on decrease impact arc-chutes inner tip by embedded mode, static conductive rod upper end is mounted on decrease impact arc-chutes inner bottom by embedded mode, overbump power impacts the protection seal ring set in inner wall surge protection mechanism, part of impact force is consumed by protection seal ring set, and it drives inner wall to smooth bar and be fitted in arc extinguishing chamber interior walls by impact to be rotated, arc extinguishing chamber interior walls are smoothed, avoiding arc extinguishing chamber enclosure, deformation occurs, increase the service life of arc-chutes；Part of impact force is to top conductive simultaneously; at this moment part of impact force is spread apart by bellows bottom end shock-diffusion plate, and bellows is bonded by bellows surge protection mechanism, played a protective role; ensure that bellows will not generate torsion, avoids arc-chutes that air leakage failure occurs.
Description
Technical field
The present invention relates to vacuum circuit breaker apparatus fields, particularly with regard to the vacuum interrupter for weakening impact.
Background technique
Vacuum circuit breaker is using more popularizing in power distribution network, and vacuum interrupter is the heart of vacuum circuit breaker, and vacuum is gone out
Arc chamber diameter is smaller, and for vacuum degree in 1.33 × 10-3PA or more, dielectric strength is very high, and electric arc is easy to extinguish, and arc extinguishing ability is strong,
But current vacuum interrupter suffers from the drawback that
When internal contact bounce overlong time, the impact force at this moment when internal combined floodgate is excessive, and extra energy
Amount can only be consumed on the inner wall of arc-chutes on bellows, with small deformation and vibration for cost, lead to arc extinguishing for a long time
Deformation occurs for chamber enclosure, reduces the service life of arc-chutes；And bellows is impacted, and bellows is caused to generate torsion,
Bellows is easy to happen breakage, causes arc-chutes that air leakage failure occurs.
Summary of the invention
The present invention realizes that technical solution used by technical purpose is: the vacuum that a kind of vacuum circuit breaker weakens impact is gone out
Arc chamber, structure include moving conductive rod, weaken impact arc-chutes, static conductive rod, and the moving conductive rod lower end passes through embedded mode
It is mounted on decrease impact arc-chutes inner tip, the static conductive rod upper end is mounted on decrease impact arc-chutes by embedded mode
Inner bottom, the decrease impact arc-chutes include inner wall surge protection mechanism, contact system, bellows bottom end shock-diffusion
Plate, bellows surge protection mechanism, bellows, the in-house bottom end of inner wall surge protection is equipped with contact system, described interior
Wall surge protection is in-house to be fixedly installed with contact system, and the contact system is through in the shock-diffusion plate of bellows bottom end
Portion, the bellows bottom end shock-diffusion plate are fixedly mounted on bellows surge protection mechanism bottom end, and the bellows impact is protected
Protect it is in-house be fixedly installed with bellows, inner wall surge protection mechanism is in cylindrical structure, and contact system is wrapped,
Impact force can be consumed effectively to and be made conduction, bellows bottom end shock-diffusion plate structure in disk form, area compared with
It greatly, can be with the reception impact force of larger area.
Further, inner wall surge protection mechanism includes that seal ring set, inner wall is protected to smooth bar, the protection sealing
Inner wall is installed to smooth bar and be flexibly connected inside ring set, inner wall smooths bar and sets altogether there are four and be distributed in protection sealing
In four orientation of ring set, and inner wall smooths the arc-shaped structure of bar one side, matches with impact arc extinguishing chamber interior walls are weakened, by interior
The rotation that wall smooths bar can will weaken impact arc extinguishing chamber interior walls and smooth.
Further, the protection seal ring set includes contact impact driver, driving air pressure endless tube, air pressure driving spray
Mouth helps flat slider, and the contact impact driver is mounted on inside driving air pressure endless tube and between using by embedded mode
Gap cooperation, the driving air pressure endless tube are equipped with air pressure and drive nozzle, and the air pressure driving nozzle, which is located at, helps flat slider side
And it is flexibly connected, described to help flat slider to smooth bar with inner wall to be fixedly connected, the arc-shaped hardened structure of contact impact driver, and
And it is equipped with spring, by the elastic force of impact force and spring, so that contact impact driver is back and forth run, to driving air pressure ring
Pipe carries out extruding work, drives the arc-shaped structure of air pressure endless tube, and driving air pressure endless tube sets there are four altogether and is evenly distributed on guarantor
It protects inside seal ring set, air pressure driving nozzle sets there are three altogether and is evenly distributed on driving air pressure endless tube, air pressure driving spray
The inclined installation of mouth, by inclination spray air pressure, consume part of impact force, and impact force is converted into power, more added with
The drive of power helps flat slider to be slided.
Further, the bellows bottom end shock-diffusion plate includes fixed impact bottom plate, sphere is collected in impact, impact is expanded
Separate tube, impact transmission mouth, the fixed impact base plate interior are fixedly installed with impact and collect sphere, the impact collect sphere and
Shock-diffusion pipe is fixedly connected, and the impact transmission mouth is located at impact and collects sphere top.
Further, bellows surge protection mechanism includes seal protection shell, impact air pressure absorption tube, air pressure dispersion
Driving tube, bellows are bonded protector, and air pressure dispersion driving tube, the impact air pressure are fixed with inside the seal protection shell
Absorption tube is welded in air pressure dispersion driving tube bottom end, and the bellows fitting protector is flexibly connected with impact air pressure absorption tube.
The beneficial effects of the present invention are: when the contact system bounce time of inside is too long, what is at this moment generated is rushed
Hit it is larger, by impact force impact inner wall surge protection mechanism on protection seal ring set, pass through protection seal ring set consumption portion
Divide impact force, and driven inner wall to smooth bar and be fitted in arc extinguishing chamber interior walls by impact and rotated, by arc extinguishing chamber interior walls
It is smoothed, avoiding arc extinguishing chamber enclosure, deformation occurs, increases the service life of arc-chutes；Part of impact force is passed to top simultaneously
It leads, is at this moment spread apart part of impact force by bellows bottom end shock-diffusion plate, and pass through bellows surge protection mechanism
Bellows is bonded, is played a protective role, it is ensured that bellows will not generate torsion, avoid arc-chutes that air leakage failure occurs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the vacuum interrupter that a kind of vacuum circuit breaker of the present invention weakens impact.
Fig. 2 is a kind of perspective view for weakening impact arc-chutes of the present invention.
Fig. 3 is a kind of perspective view of inner wall surge protection of the invention mechanism.
Fig. 4 is a kind of top cross-sectional view for protecting seal ring set of the present invention.
Fig. 5 is a kind of perspective view of bellows bottom end shock-diffusion plate of the present invention.
Fig. 6 is a kind of perspective view of bellows surge protection of the invention mechanism.
Fig. 7 is a kind of top cross-sectional view of bellows surge protection of the invention mechanism.
In figure: moving conductive rod -1 weakens impact arc-chutes -2, static conductive rod -3, inner wall surge protection mechanism -21, contact
System -22, bellows bottom end shock-diffusion plate -23, bellows surge protection mechanism -24, bellows -25, protection seal ring set -
211, inner wall smooths bar -212, contact impact driver -2111, driving air pressure endless tube -2112, air pressure driving nozzle -2113, helps
Sphere -232, shock-diffusion pipe -233, impact transmission mouth-are collected in flat slider -2114, fixed impact bottom plate -231, impact
234, seal protection shell -241, impact air pressure absorption tube -242, air pressure dispersion driving tube -243, bellows are bonded protector -244
Specific embodiment
Embodiment
Fig. 1-Fig. 7 is please referred to, a kind of vacuum circuit breaker of the present invention weakens the vacuum interrupter of impact, and structure includes dynamic leads
Electric pole 1 weakens impact arc-chutes 2, static conductive rod 3, and 1 lower end of moving conductive rod is mounted on decrease impact by embedded mode and goes out
2 inner tip of arc chamber, 3 upper end of static conductive rod is mounted on decrease impact 2 inner bottom of arc-chutes by embedded mode, described
Weakening impact arc-chutes 2 includes inner wall surge protection mechanism 21, contact system 22, bellows bottom end shock-diffusion plate 23, ripple
Pipe surge protection mechanism 24, bellows 25,21 inner bottom of inner wall surge protection mechanism is equipped with contact system 22, described interior
Contact system 22 is fixedly installed with inside wall surge protection mechanism 21, the contact system 22 is impacted through bellows bottom end to be expanded
It falls apart inside 23, the bellows bottom end shock-diffusion plate 23 is fixedly mounted on 24 bottom end of bellows surge protection mechanism, described
Bellows 25 is fixedly installed with inside bellows surge protection mechanism 24, inner wall surge protection mechanism 21 is in cylindrical structure, and
And wrap contact system 22, impact force can be consumed effectively to and be made conduction, bellows bottom end shock-diffusion
The structure in disk form of plate 23, circular area is maximum, and the impact force received is most.
Inner wall surge protection mechanism 21 includes that seal ring set 211, inner wall is protected to smooth bar 212, the protection sealing
Inner wall is installed to smooth bar 212 and be flexibly connected inside ring set 211, inner wall smooths bar 212 and sets there are four and be distributed altogether
In protection 211 4 orientation of seal ring set, and inner wall smooths the 212 arc-shaped structure of one side of bar, impacts arc-chutes 2 with weakening
Inner wall matches, and can will weaken impact 2 inner wall of arc-chutes by the rotation that inner wall smooths bar 212 and smooth.
The protection seal ring set 211 includes contact impact driver 2111, driving air pressure endless tube 2112, air pressure driving spray
Mouth 2113 helps flat slider 2114, and the contact impact driver 2111 is mounted on driving air pressure endless tube by embedded mode
It inside 2112 and is gap-matched, the driving air pressure endless tube 2112 is equipped with air pressure and drives nozzle 2113, the air pressure
Driving nozzle 2113, which is located at, to be helped flat 2114 side of slider and is flexibly connected, described that flat slider 2114 is helped to smooth bar with inner wall
212 are fixedly connected, the arc-shaped hardened structure of contact impact driver 2111, and are equipped with spring, pass through the bullet of impact force and spring
Power carries out extruding work to driving air pressure endless tube 2112, drives air pressure so that contact impact driver 2111 is back and forth run
The arc-shaped structure of endless tube 2112, driving air pressure endless tube 2112 set there are four altogether and are evenly distributed in protection seal ring set 211
Portion, air pressure driving nozzle 2113 set there are three altogether and are evenly distributed on driving air pressure endless tube 2112, and air pressure drives nozzle
2113 inclined installations spray air pressure by inclination, consume part of impact force, and impact force is converted into power, more
Strong drive helps flat slider 2114 to be slided.
The bellows bottom end shock-diffusion plate 23 includes fixed impact bottom plate 231, sphere 232 is collected in impact, impact is expanded
Separate tube 233, impact transmission mouth 234, the fixation, which is impacted inside bottom plate 231 to be fixedly installed with to impact, collects sphere 232, the punching
It hits collection sphere 232 to be fixedly connected with shock-diffusion pipe 233, the impact transmission mouth 234 is located at impact and collects the top of sphere 232
End.
Bellows surge protection mechanism 24 includes seal protection shell 241, impact air pressure absorption tube 242, air pressure dispersion
Driving tube 243, bellows are bonded protector 244, and air pressure dispersion driving tube 243 is fixed with inside the seal protection shell 241,
The impact air pressure absorption tube 242 is welded in air pressure dispersion 243 bottom end of driving tube, the bellows fitting protector 244 and punching
Hit the flexible connection of air pressure absorption tube 242.
Referring to fig. 4, it helps flat slider 2114 to be equipped with sliding block, and installs on the slide rail, sliding rail is in cirque structure, is led to
It crosses sliding block to slide on the slide rail, it can be ensured that help flat slider 2114 to run in circular ring shape track, four inner walls has been driven to smooth
Bar 212 works simultaneously, smooths inside impact arc-chutes 2 to weakening.
Referring to Fig. 5, the fixed impact structure in disk form of bottom plate 231, impact collects sphere 232 altogether equipped with 12, and
Each impact collects sphere 232 and is designed with 233,12 shock-diffusion pipes 233 of shock-diffusion pipe in cirque structure, covers comprehensively
It covers inside fixed impact bottom plate 231, sphere 232 is collected by impact, the impact force up conducted is comprehensively absorbed,
And impact force is scatter around by 12 shock-diffusion pipes 233.
Referring to Fig. 6, impact air pressure absorption tube 242 is in low wide and up narrow structure, and lower end and impact transmission mouth 234 are fixed and connected
It connects, quickly impact force is transmitted to inside air pressure dispersion driving tube 243, air pressure disperses driving tube 243 and is equipped with multiple small sprays
Mouth, small nozzle are evenly distributed in bellows fitting 244 side of protector, carry out injection air pressure by small nozzle, driven wave
Line pipe fitting protector 244 is moved.
Referring to Fig. 6, bellows fitting protector 244 set altogether there are four and arc-shaped mechanism, bellows be bonded protector
244 inner walls are in corrugated structure, and are matched with bellows 25, and four bellows fitting closures of protector 244 form one
Sealing ring, with bellows 25 carry out it is closed be bonded, bellows 25 is protected, avoids bellows 25 from being impacted, turns round
Power causes to rupture.
Usage mode of the present invention and effect: it when 22 bounce time of contact system of inside is too long, at this moment generates
Impact larger, at this moment by the protection seal ring set 211 in inner wall surge protection mechanism 21 by impact force, impact force is driven
Contact impact driver 2111 is moved, and 2111 pairs of driving air pressure endless tubes 2112 of contact impact driver squeeze, driving
Air pressure endless tube 2112 is started to work, and air pressure is generated, and at this moment drives nozzle 2113 to be sprayed by air pressure, has been driven and has been helped smooth move
Device 2114 starts to carry out the sliding of circular ring shape track, helps flat slider 2114 that inner wall has been driven to smooth the progress of bar 212 while sliding
Sliding, smooths bar 212 by four inner walls while working, and carries out fitting rotation to impact 2 inner wall of arc-chutes is weakened, not only
Part of impact force is consumed, and is smoothed to impact 2 inner wall of arc-chutes is weakened, avoids weakening the impact generation shape of arc-chutes 2
Become, increases the service life for weakening impact arc-chutes 2；A part of impact force is conducted upwards simultaneously, is transmitted to bellows bottom
It holds on shock-diffusion plate 23, sphere 232 is collected by the impact inside bellows bottom end shock-diffusion plate 23, impact force is carried out
It absorbs, and impact force is dispersed by 12 shock-diffusion pipes 233, it is ensured that impact force will not be directly to bellows 25
It is impacted, the preliminary safety for protecting bellows 25, while the impact force impact at this moment air pressure of impact air pressure absorption tube 242 dispersion is driven
Dynamic pipe 243 generates air pressure, has driven four bellowss to be bonded protector by multiple small nozzles that air pressure disperses on driving tube 243
244 are slided simultaneously, and bellows fitting protector 244 carries out being bonded protection with bellows 25, and bellows 25 is avoided to be rushed
It hits, torsion occurs, avoid weakening the impact generation air leakage failure of arc-chutes 2.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of vacuum circuit breaker weakens the vacuum interrupter of impact, structure includes moving conductive rod (1), weakens impact arc-chutes
(2), static conductive rod (3), moving conductive rod (1) lower end are mounted on top inside decrease impact arc-chutes (2) by embedded mode
End, it is characterised in that:
Static conductive rod (3) upper end is mounted on decrease impact arc-chutes (2) inner bottom by embedded mode；
Decrease impact arc-chutes (2) includes inner wall surge protection mechanism (21), contact system (22), the impact of bellows bottom end
Diffuser plate (23), bellows surge protection mechanism (24), bellows (25)；
Inner wall surge protection mechanism (21) inner bottom is equipped with contact system (22), inner wall surge protection mechanism (21)
Inside is fixedly installed with contact system (22), and the contact system (22) is interior through bellows bottom end shock-diffusion plate (23)
Portion, the bellows bottom end shock-diffusion plate (23) are fixedly mounted on bellows surge protection mechanism (24) bottom end, the ripple
Bellows (25) are fixedly installed with inside pipe surge protection mechanism (24).
2. the vacuum interrupter that a kind of vacuum circuit breaker according to claim 1 weakens impact, it is characterised in that: in described
Wall surge protection mechanism (21) includes that seal ring set (211), inner wall is protected to smooth bar (212), the protection seal ring set (211)
Inside is equipped with inner wall and smooths bar (212) and be flexibly connected.
3. the vacuum interrupter that a kind of vacuum circuit breaker according to claim 2 weakens impact, it is characterised in that: the guarantor
Shield seal ring set (211) includes contact impact driver (2111), driving air pressure endless tube (2112), air pressure driving nozzle
(2113), it helps flat slider (2114), the contact impact driver (2111) is mounted on driving air pressure ring by embedded mode
Pipe (2112) is internal and is gap-matched, and the driving air pressure endless tube (2112) is equipped with air pressure driving nozzle (2113),
Air pressure driving nozzle (2113), which is located at, helps flat slider (2114) side and is flexibly connected, described to help flat slider
(2114) bar (212) is smoothed with inner wall to be fixedly connected.
4. the vacuum interrupter that a kind of vacuum circuit breaker according to claim 1 weakens impact, it is characterised in that: the wave
Line tube bottom end shock-diffusion plate (23) includes fixed impact bottom plate (231), impact collection sphere (232), shock-diffusion pipe
(233), impact is driven mouth (234), is fixedly installed with impact collection sphere (232), institute inside fixed impact bottom plate (231)
It states impact collection sphere (232) to be fixedly connected with shock-diffusion pipe (233), impact transmission mouth (234) is located at impact and collects
Sphere (232) top.
5. the vacuum interrupter that a kind of vacuum circuit breaker according to claim 1 weakens impact, it is characterised in that: the wave
Wen Guan surge protection mechanism (24) includes seal protection shell (241), impact air pressure absorption tube (242), air pressure dispersion driving tube
(243), bellows fitting protector (244), the seal protection shell (241) is internal to be fixed with air pressure dispersion driving tube
(243), the impact air pressure absorption tube (242) is welded in air pressure dispersion driving tube (243) bottom end, the bellows fitting protection
Device (244) is flexibly connected with impact air pressure absorption tube (242).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910369559.4A CN109950092B (en) | 2019-05-06 | 2019-05-06 | Vacuum arc-extinguishing chamber for weakening impact of vacuum circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910369559.4A CN109950092B (en) | 2019-05-06 | 2019-05-06 | Vacuum arc-extinguishing chamber for weakening impact of vacuum circuit breaker |
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| CN109950092A true CN109950092A (en) | 2019-06-28 |
| CN109950092B CN109950092B (en) | 2021-04-23 |
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Cited By (2)
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| CN112289633A (en) * | 2020-10-23 | 2021-01-29 | 黄忠良 | Vacuum circuit breaker |
| CN113097007A (en) * | 2021-03-14 | 2021-07-09 | 郑州大学 | Power transmission grade double-fracture vacuum arc extinguish chamber based on grading ring |
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| CN109950092B (en) | 2021-04-23 |
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Effective date of registration: 20210329 Address after: 325600 Long Xi Xiang Xian Sheng men Cun, Leqing City, Wenzhou City, Zhejiang Province Applicant after: Zhang Jun Address before: 362321 No.56, block a, building 7, Guangqian South Street, Meishan Town, Nan'an City, Quanzhou City, Fujian Province Applicant before: NAN'AN JIANYIN MACHINERY TECHNOLOGY Co.,Ltd. |
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