CN207474371U - A kind of vacuum circuit breaker and vacuum interrupter - Google Patents
A kind of vacuum circuit breaker and vacuum interrupter Download PDFInfo
- Publication number
- CN207474371U CN207474371U CN201721259818.0U CN201721259818U CN207474371U CN 207474371 U CN207474371 U CN 207474371U CN 201721259818 U CN201721259818 U CN 201721259818U CN 207474371 U CN207474371 U CN 207474371U
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- end cap
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- ring
- conductive rod
- moving conductive
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- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000009413 insulation Methods 0.000 claims abstract description 32
- 230000007704 transition Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 19
- 230000000694 effects Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Abstract
The utility model is related to high-voltage circuitbreaker fields, provide a kind of vacuum circuit breaker and vacuum interrupter, have the advantages that service life is long.Vacuum circuit breaker, case for circuit breaker including closing, the vacuum interrupter being arranged in case for circuit breaker and the operating mechanism for vacuum interrupter to be driven to act, vacuum interrupter includes insulation crust, moving conductive rod and bellows, further include the end cap being fixed on insulation crust, the end cap surrounds the transition gas chamber of sealing with the bellows, and the moving conductive rod coordinates across the end cap and by sealing ring translation seal end cap.End cap defines transition gas chamber with bellows, transition atmospheric pressure when making to be filled with assembling, while vacuum interrupter is made to be in three chamber environments, changes the larger situation of bellows inside and outside differential pressure, improves bellows stressing conditions, improve service life.
Description
Technical field
The utility model is related to high-voltage circuitbreaker fields, and in particular to a kind of vacuum circuit breaker and vacuum interrupter.
Background technology
Vacuum interrupter is the core component of mesohigh power switch, is mostly installed in high-pressure vacuum breaker, is passed through
The excellent insulating properties of vacuum can extinguish electric arc rapidly after making mesohigh circuitry cuts power supply and inhibits electric current in pipe, plays
The effect of stabilizing circuit avoids accident and unexpected generation.It is played inside the airtight insulation shell of vacuum interrupter for vacuum environment
Insulating effect, while high pressure gas (such as dry air, SF6, CO2, N2 or mixed gas) is filled with outside arc-chutes in breaker
To play the role of exterior insulation.It is opened in some changes away from the arc-chutes of structure, SF6 gases can have when high-temperature electric arc occurs
Poisonous gas, and after arc-chutes failure, SF6 therein may be revealed, and increase the discharge to natural environment percent of greenhouse gases.
In the vacuum interrupter of the prior art, bellows is indispensable element, both can guarantee the sealing of arc-chutes,
It can realize the relative motion of dynamic/static contact by it again, bellows is the motion seal part for being welded on moved end cover board, bellows
Internal and arc-chutes external world unicom is filled with high pressure gas, but opposite side is vacuum structure, and bellows is made to have received gas pressure
Power, bellows can be compressed or be extended the movement of recovery when switching combined floodgate separating brake, reciprocal machinery is carried out in arc-chutes
Movement, bellows work in the environment there are pressure differential, and frequent mechanically deform easily makes itself fail, makes bellows
Tube wall is damaged, leads to vacuum interrupter gas leakage, makes the reduction of vacuum interrupter service life.
Utility model content
The purpose of this utility model is to provide the vacuum circuit breakers and vacuum interrupter of a kind of service life length.
To achieve the above object, vacuum circuit breaker adopts the following technical scheme that in the utility model：
Technical solution 1：A kind of vacuum circuit breaker, the case for circuit breaker including closing, be arranged on it is true in case for circuit breaker
Empty arc-chutes and for drive vacuum interrupter act operating mechanism, vacuum interrupter include insulation crust, moving conductive rod and
Bellows, further includes the end cap being fixed on insulation crust, and the end cap surrounds the transition gas chamber of sealing, institute with the bellows
Moving conductive rod is stated across the end cap and is coordinated by sealing ring translation seal end cap.Advantage is：It uses
End cap can form transition gas chamber with bellows, vacuum interrupter can be made to be in the environment of three gas chambers, internal environment is
Vacuum uses the nitrogen of high pressure in external insulation position, and dry air and mixed gas are as dielectric, in end cap and ripple
Atmospheric pressure when transition gas chamber in pipe is installation.Due to being equipped with the sealing element coordinated with moving contact translation seal in end cap, keep away
Exempt from high pressure gas to be directly entered in bellows so that air is passed through in bellows during assembling, between vacuum and high pressure gas
Transition atmospheric pressure between body, avoiding inside and outside bellows has stronger pressure difference, makes bellows service life reduction.And end cap is whole
It is connect after assembling with insulation crust, precision is high, and error is small, and leakproofness is strong.Meanwhile sealing ring is in operating pressure and certain temperature
In the range of there is good sealing performance, and sealing performance can be improved automatically with the increase of pressure, and sealing ring is anticorrosive
Ability is strong, non-aging, long working life, and wearability is good, can compensate automatically to a certain extent upon wear, simple in structure,
Working service is convenient, and sealing ring is made to have the longer service life.
Technical solution 2：On the basis of technical solution 1, the end cap is sleeve body portion for the part that moving conductive rod passes through,
The inner wall of the sleeve body portion is equipped with the guide sleeve coordinated with moving conductive rod guiding movement.Advantage is：With end cap
Guide sleeve is installed for pedestal, using guide sleeve to its guiding role of the movement of moving conductive rod, ensure that true in action process
The concentricity of empty arc-chutes dynamic/static contact, so as to ensure that the contact area of dynamic/static contact, while eastern conducting rod passes through guide sleeve
Movement, avoids spraining bellows in assembling process.Guide pipe also ensures moving conductive rod and the sealing of sealing ring cooperation simultaneously
Property, moving conductive rod will not be made to coordinate during exercise with sealing ring not tight, lead to vacuum interrupter gas leakage.
Technical solution 3：On the basis of technical solution 2, the inner wall of the guide sleeve is equipped with matches with moving conductive rod sealing
The inner seal ring of conjunction, the outer wall of the guide sleeve are equipped with the exterior seal ring coordinated with the inner wall sealing of the sleeve body portion.Its
Advantageous effect is：It can ensure leakproofness of the guide sleeve in end cap using sealing ring, ensure that moving conductive rod during exercise
Dynamic sealing, the phenomenon that vacuum interrupter will not being leaked.
Technical solution 4：On the basis of technical solution 2, the guide sleeve is equipped with axially spaced apart two or more.
Advantage is：Set multiple guide sleeves that can enhance guiding role and leakproofness.
Technical solution 5：On the basis of technical solution 2 or 3 or 4, the sealing ring between moving conductive rod and end cap is in groups
The V-shaped seal ring of setting, and the support coordinated with V-shaped seal ring is equipped with close to one end of insulation crust in the sleeve body portion
Ring, one end far from insulation crust is equipped with the pressure ring coordinated with V-shaped seal ring in sleeve body portion.Advantage is：V-type
Sealing ring is a kind of elastic rubber sealing ring of axial action, as shaft without means of press seals, sealing lip have preferable activity and
Adaptability can compensate for larger tolerance and angular deviation, and V-shaped seal ring is lip-type packing, and certain change is had being equipped with
Shape, during moving conductive rod direct acting, V-shaped seal ring can be bonded tighter, realization sealing function with by sealing surface.Support ring is branch
The important component of V-shaped seal ring is supportted, section is thick and solid, accurate size, spill angle are identical or slightly larger with V-shaped seal ring, energy
Place sealing ring stable.Pressure ring can cause an initial compression amount to V-shaped seal ring, make it with being come into full contact with by sealing surface,
And the decrement of V-shaped seal ring can be adjusted.
Technical solution 6：It is threadedly coupled on the basis of technical solution 5, on the sleeve body portion and is useful for compressing the pressure
The thread bush of ring.Advantage is：The position for adjusting pressure ring can be facilitated using thread bush, so as to compress V-seal
Circle, and thread bush is cold-rolling stainless steel part, performance is better than the screw thread that is formed in the internal tapping of end cap pedestal, can dispersive stress,
Matrix screw thread is protected, performance can be improved, extend the service life of end cap pedestal.
Technical solution 7：On the basis of technical solution 6, the thread bush peripheral surface is equipped with major diameter section, the major diameter section
Interior to be equipped with seal groove, the seal groove seals the sealing ring of cooperation for installing with moving conductive rod.Advantage is：Screw thread
Seal groove is opened up in set, sealing ring can be installed to ensure the dynamic sealing of moving conductive rod, and peripheral surface is provided with major diameter
Section, ensure that the uniform wall thickness of thread bush, and ensure that the structural strength of thread bush entirety.
Technical solution 8：On the basis of technical solution 2 or 3 or 4, the sealing ring between moving conductive rod and end cap is close for Y types
Seal, the y-type seal ring are provided with two or more, and at least there are two the opening of y-type seal ring is opposite.Advantage exists
In：Y-type seal ring is affixed on sealing pair coupling surface by the lip opened, and is mainly used for reciprocating movement sealing, and y-type seal ring is only
It can play one-way sealing, so to be arranged in pairs the opposite y-type seal ring of multiple openings, and y-type seal ring leakproofness
Can be reliable, frictional resistance is small, stable movement, good pressure-resistant performance, and it is wide to be applicable in pressure limit.
To achieve the above object, vacuum interrupter adopts the following technical scheme that in the utility model：
Technical solution 1：A kind of vacuum interrupter including insulation crust, moving conductive rod and bellows, is further included and is fixed on absolutely
End cap on edge shell, the end cap surround the transition gas chamber of sealing with the bellows, and the moving conductive rod passes through the end
It covers and is coordinated between end cap by sealing ring translation seal.
Technical solution 2：On the basis of technical solution 1, the end cap is sleeve body portion for the part that moving conductive rod passes through,
The inner wall of the sleeve body portion is equipped with the guide sleeve coordinated with moving conductive rod guiding movement.
Technical solution 3：On the basis of technical solution 2, the inner wall of the guide sleeve is equipped with matches with moving conductive rod sealing
The inner seal ring of conjunction, the outer wall of the guide sleeve are equipped with the exterior seal ring coordinated with the inner wall sealing of the sleeve body portion.
Technical solution 4：On the basis of technical solution 2, the guide sleeve is equipped with axially spaced apart two or more.
Technical solution 5：On the basis of technical solution 2 or 3 or 4, the sealing ring is the V-shaped seal ring being arranged in groups,
And the support ring coordinated with V-shaped seal ring is equipped with close to one end of insulation crust in the sleeve body portion, in sleeve body portion
One end far from insulation crust is equipped with the pressure ring coordinated with V-shaped seal ring.
Technical solution 6：It is threadedly coupled on the basis of technical solution 5, on the sleeve body portion and is useful for compressing the pressure
The thread bush of ring.
Technical solution 7：On the basis of technical solution 6, the thread bush peripheral surface is equipped with major diameter section, the major diameter section
Interior to be equipped with seal groove, the seal groove seals the sealing ring of cooperation for installing with moving conductive rod.
Technical solution 8：On the basis of technical solution 2 or 3 or 4, the sealing ring between moving conductive rod and end cap is close for Y types
Seal, the y-type seal ring are provided with two or more, and at least there are two the opening of y-type seal ring is opposite.
Description of the drawings
Fig. 1 is the structure diagram of vacuum interrupter in the utility model；
Fig. 2 is the structure diagram of end cap in the utility model；
Fig. 3 is the schematic diagram of vacuum interrupter chamber environment in the utility model；
Fig. 4 is the structure diagram of another embodiment of vacuum interrupter in the utility model.
In figure：1. insulation crust；2. shielding case；3 dynamic/static contacts；4. bellows；5 moving conductive rods；6. end cap；7. it is oriented to
Set；8.O type sealing rings；9. support ring；10.V type sealing rings；11. pressure ring；12. thread bush；13. end cap pedestal；14. vacuum ring
Border；15. high pressure gas environment；16. standard atmospheric pressure environment；17.Y type sealing rings；18. conduction draws parts；19. metal gasket
Piece；20. seal groove.
Specific embodiment
As shown in Fig. 1 ~ 3:The utility model provides a kind of vacuum interrupter of service life length and uses this vacuum
The vacuum circuit breaker of arc-chutes, wherein vacuum interrupter include moving contact, insulation crust and bellows, and moving contact is connected with dynamic lead
Electric pole 5 stretches out one end of insulation crust 1 in 5 direct acting of moving conductive rod, is provided with the end cap coordinated with 5 translation seal of moving conductive rod
6, end cap 6 is installed by sealing, and the transition gas chamber of a sealing is defined with bellows 4, i.e., the standard in assembling process is big
Air pressure environment 16, is provided with the sealing ring that can coordinate with 5 direct acting of moving conductive rod in the endoporus of end cap 6, and end cap 6 passes through radially
The outer rim of setting carries out block cooperation with insulation crust 1.End cap 6 includes end cap pedestal 13 and leading in end cap pedestal 13
End cap pedestal 13 is arranged on close to one end of insulation crust to set 7 and thread bush 12, guide sleeve 7, and is oriented to by being mounted on
O-ring seal 8 in set coordinates with the sealing of end cap pedestal 13, and thread bush 12 is connected through a screw thread that be arranged on end cap pedestal 13 separate
One end of insulation crust.
Moving conductive rod 5 can move axially in reciprocal fashion or around axial rotation in the sleeve body portion of end cap 6.Wherein in end cap
Upper 6 are machined with through-hole connects for screw, and end cap 6 is fixedly connected with insulation crust 1.It is worn in end cap 6 for moving conductive rod 5
The V-shaped seal ring 9 of 5 translation seal of moving conductive rod cooperation can be ensured by being provided in sleeve body portion, and V-shaped seal ring 9 is arranged in groups,
And the pressure ring 11 that can coordinate with V-shaped seal ring 9 and support ring 9 are provided in both sides.
It is outer with insulation in end cap pedestal 13 in end cap 6 when moving conductive rod 5 acts and dynamic/static contact 3 is driven to contact or be detached from
1 counterface of shell is provided with conductive extraction parts 18, and draws parts 18 in conduction and be at 13 inside of end cap pedestal and pacify
Guide sleeve 7 is filled, moving conductive rod 5 can coordinate the reciprocating motion done in an axial direction with guide sleeve 7, while guide sleeve 7 is moving conductive rod 5
Locating part in assembling, is not only used to the concentricity of adjustment sound contact 3, and limits the axial position of moving conductive rod 5,
In order to avoid destroy the bellows 4 in insulation crust 1.
In the opposite side of end cap pedestal 13, by the screw-internal thread fit in thread bush 12 and pedestal, and in thread bush 12
Side end face is provided with metal gasket, and technical staff can adjust being screwed into for thread bush 12 according to decrement with metal gasket quantity
Depth.Moving conductive rod moves in thread bush, is directly replaced after the rubbed failure of thread bush.Before the installation of screw-casing 12, first
It in end cap pedestal 13, is done and coordinated with guide sleeve 7 using O-ring seal 8, O-ring seal 8 is elastic material, can complete direct acting
Sealing.The support ring of V-shaped seal ring is used to support in the mating surface installation of O-ring seal 8, support section is thick, and spill angle and V
Type sealing ring is identical or slightly larger, places sealing ring for stablizing, is sealed after this using V-shaped seal ring 8, V-type is close
Seal is lip-type packing, its lip portion outside diameter is more than the internal diameter of end cap pedestal 13 in a free state, after assembly, is had certain
Deformation, due to supporting role of the support ring to V-shaped seal ring, this deformation is happened at procheilon, and generates pressure in contact site,
So even if not applying pressure to V-shaped seal ring 10, its own can also generate internal pressure.After installing V-shaped seal ring 8, pressure is used
Ring 9 coordinates with mounted V-shaped seal ring 8, and pressure ring can give one initial compression amount of V-shaped seal ring, can make V-shaped seal ring
It is adjusted with being come into full contact with by sealing, and by changing the position of pressure ring 9 come the decrement to V-shaped seal ring.Finally exist
The inside of end cap pedestal 13 screws in above-mentioned thread bush 12, can facilitate the position for adjusting pressure ring using thread bush, so as to compress V-type
Sealing ring.Last moving conductive rod 5 is by the inner cavity of 6 sleeve body portion of direct-acting sealing mechanism, using screw by end cap 6 and insulation crust
1 is attached.
Due to the presence of end cap 6, the situation of the different pressure gas chambers of vacuum extinction indoor and outdoor two in traditional technology is changed,
Improve the stressing conditions of bellows, increase service life because manufacture install vacuum interrupter when, insulation crust 1 with
The closed area that bellows 4 surrounds has become first vacuum environment 14, and is placed with absorbent wherein, in arcing process
In, metallic vapour can condense on shielding case 2, can release a small amount of gas, and absorbent can absorb a part of gas, vacuum is made to go out
Arc chamber maintains higher vacuum degree.After translation seal is carried out to the moving conductive rod 5 of vacuum interrupter, external insulation environment
High pressure gas can be used, such as N2 or dry air, to form the high pressure gas environment 15 of second exterior insulation gas chamber, ensure that
The insulation performance of arc-chutes.Simultaneously in assembling, inside and the air of bellows 4 are connected, and are normal atmospheric pressure, are formed
Third standard atmospheric pressure environment 16, the draught head inside and outside corrugated pipe wall is smaller, tired when bellows does mechanical reciprocation
Labor degree reduces, and has achieved the purpose that prolong the service life.
As shown in figure 4, sealing element in the utility model can also use other forms, such as using reversely setting in pairs
The y-type seal ring put, and multiple y-type seal rings are provided in dynamic sealing seat, a y-type seal ring can only play one-way sealing
Effect, so to be arranged in pairs, and y-type seal ring sealing performance is reliable, frictional resistance is small, stable movement, pressure-resistant performance
Good, applicable pressure limit is wide, and is provided with seal groove between y-type seal ring for setting O-ring seal in pedestal, ensures
Leakproofness, and when end cap pedestal 13 is connect with vacuum interrupter, be provided with seal groove on vacuum interrupter, pass through sealing ring
It is connect with end cap pedestal, ensure that leakproofness.
In other embodiments, the indoor atmospheric environment of transitional gas can also be the pressure rank between vacuum and hyperbaric environment
Transition atmospheric pressure between ladder avoids bellows inside and outside differential pressure excessive, ensure that intensity of the bellows in mechanical movement, carries
The high service life of bellows.
Claims (16)
1. a kind of vacuum circuit breaker, the case for circuit breaker including closing, the vacuum interrupter being arranged in case for circuit breaker and use
In the operating mechanism of driving vacuum interrupter action, vacuum interrupter includes insulation crust, moving conductive rod and bellows, feature
It is：The end cap being fixed on insulation crust is further included, the end cap surrounds the transition gas chamber of sealing with the bellows, described
Moving conductive rod coordinates across the end cap and by sealing ring translation seal end cap.
2. vacuum circuit breaker according to claim 1, it is characterised in that：The part that the end cap supplies moving conductive rod to pass through is
Sleeve body portion, the inner wall of the sleeve body portion are equipped with the guide sleeve coordinated with moving conductive rod guiding movement.
3. vacuum circuit breaker according to claim 2, it is characterised in that：The inner wall of the guide sleeve is equipped with and moving conductive
The inner seal ring of bar sealing cooperation, the outer wall of the guide sleeve are outer close equipped with coordinating with the inner wall sealing of the sleeve body portion
Seal.
4. vacuum circuit breaker according to claim 2, it is characterised in that：The guide sleeve is equipped with axially spaced apart
It is more than two.
5. according to the vacuum circuit breaker described in Claims 2 or 3 or 4, it is characterised in that：Sealing between moving conductive rod and end cap
The V-shaped seal ring to be arranged in groups is enclosed, and is equipped with close to one end of insulation crust in the sleeve body portion and matches with V-shaped seal ring
The support ring of conjunction, one end far from insulation crust is equipped with the pressure ring coordinated with V-shaped seal ring in sleeve body portion.
6. vacuum circuit breaker according to claim 5, it is characterised in that：It is threadedly coupled on the sleeve body portion and is useful for pressing
The thread bush of the tight pressure ring.
7. vacuum circuit breaker according to claim 6, it is characterised in that：The thread bush peripheral surface is equipped with major diameter section,
Seal groove is equipped in the major diameter section, the seal groove is used to install the sealing ring with moving conductive rod sealing cooperation.
8. according to the vacuum circuit breaker described in Claims 2 or 3 or 4, it is characterised in that：Sealing between moving conductive rod and end cap
It encloses as y-type seal ring, the y-type seal ring is provided with two or more, and at least there are two the opening of y-type seal ring is opposite.
9. a kind of vacuum interrupter, including insulation crust, moving conductive rod and bellows, it is characterised in that：It further includes and is fixed on absolutely
End cap on edge shell, the end cap surround the transition gas chamber of sealing with the bellows, and the moving conductive rod passes through the end
It covers and is coordinated between end cap by sealing ring translation seal.
10. vacuum interrupter according to claim 9, it is characterised in that：The end cap supplies the part that moving conductive rod passes through
For sleeve body portion, the inner wall of the sleeve body portion is equipped with the guide sleeve coordinated with moving conductive rod guiding movement.
11. vacuum interrupter according to claim 10, it is characterised in that：The inner wall of the guide sleeve is equipped with leads with dynamic
The inner seal ring of electric pole sealing cooperation, the outer wall of the guide sleeve are outer equipped with coordinating with the inner wall sealing of the sleeve body portion
Sealing ring.
12. vacuum interrupter according to claim 10, it is characterised in that：The guide sleeve is equipped with axially spaced apart
Two or more.
13. according to the vacuum interrupter described in claim 10 or 11 or 12, it is characterised in that：The sealing ring is is arranged in groups
V-shaped seal ring, and be equipped with the support ring that coordinates with V-shaped seal ring close to one end of insulation crust in the sleeve body portion,
One end far from insulation crust is equipped with the pressure ring coordinated with V-shaped seal ring in sleeve body portion.
14. vacuum interrupter according to claim 13, it is characterised in that：It is threadedly coupled and is useful on the sleeve body portion
Compress the thread bush of the pressure ring.
15. vacuum interrupter according to claim 14, it is characterised in that：The thread bush peripheral surface is equipped with major diameter
Section, the major diameter section is interior to be equipped with seal groove, and the seal groove seals the sealing ring of cooperation for installing with moving conductive rod.
16. according to the vacuum interrupter described in claim 10 or 11 or 12, it is characterised in that：Between moving conductive rod and end cap
Sealing ring is y-type seal ring, and the y-type seal ring is provided with two or more, and at least there are two the opening of y-type seal ring is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259818.0U CN207474371U (en) | 2017-09-28 | 2017-09-28 | A kind of vacuum circuit breaker and vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259818.0U CN207474371U (en) | 2017-09-28 | 2017-09-28 | A kind of vacuum circuit breaker and vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474371U true CN207474371U (en) | 2018-06-08 |
Family
ID=62266302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721259818.0U Active CN207474371U (en) | 2017-09-28 | 2017-09-28 | A kind of vacuum circuit breaker and vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474371U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185751A (en) * | 2020-08-24 | 2021-01-05 | 平高集团有限公司 | Circuit breaker and gas insulated switchgear using the same |
| CN112951647A (en) * | 2019-11-26 | 2021-06-11 | 天津平高智能电气有限公司 | Aging and insulation testing device for vacuum arc-extinguishing chamber |
| CN113035635A (en) * | 2020-12-18 | 2021-06-25 | 国网宁夏电力有限公司电力科学研究院 | Bellows protection air chamber |
| CN114334529A (en) * | 2020-10-09 | 2022-04-12 | 西安西电高压开关有限责任公司 | Vacuum arc-extinguishing chamber and vacuum switch |
-
2017
- 2017-09-28 CN CN201721259818.0U patent/CN207474371U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951647A (en) * | 2019-11-26 | 2021-06-11 | 天津平高智能电气有限公司 | Aging and insulation testing device for vacuum arc-extinguishing chamber |
| CN112951647B (en) * | 2019-11-26 | 2023-03-10 | 天津平高智能电气有限公司 | Aging and insulation testing device for vacuum arc extinguish chamber |
| CN112185751A (en) * | 2020-08-24 | 2021-01-05 | 平高集团有限公司 | Circuit breaker and gas insulated switchgear using the same |
| CN114334529A (en) * | 2020-10-09 | 2022-04-12 | 西安西电高压开关有限责任公司 | Vacuum arc-extinguishing chamber and vacuum switch |
| CN114334529B (en) * | 2020-10-09 | 2023-11-10 | 西安西电高压开关有限责任公司 | Vacuum arc-extinguishing chamber and vacuum switch |
| CN113035635A (en) * | 2020-12-18 | 2021-06-25 | 国网宁夏电力有限公司电力科学研究院 | Bellows protection air chamber |
| CN113035635B (en) * | 2020-12-18 | 2022-09-20 | 国网宁夏电力有限公司电力科学研究院 | Bellows protection air chamber |
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