CN206163402U - Novel vacuum interrupter - Google Patents
Novel vacuum interrupter Download PDFInfo
- Publication number
- CN206163402U CN206163402U CN201621025078.XU CN201621025078U CN206163402U CN 206163402 U CN206163402 U CN 206163402U CN 201621025078 U CN201621025078 U CN 201621025078U CN 206163402 U CN206163402 U CN 206163402U
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- China
- Prior art keywords
- vacuum interrupter
- conductive rod
- static
- bellows
- novel vacuum
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Abstract
The utility model discloses a novel vacuum interrupter, which comprises a vacuum arc -extinguishing chamber body, vacuum arc -extinguishing chamber body is equipped with quiet conducting rod, quiet end cover board, insulating casing, moves conducting rod, movable end cover board, the one end of quiet conducting rod is equipped with the static contact, the one end of moving the conducting rod is equipped with the moving contact, and move the conducting rod and be equipped with the bellows and descend the shield cover, static contact and moving contact periphery are equipped with a shielding section of thick bamboo, a shielding section of thick bamboo is equipped with the cooling layer, a shielding section of thick bamboo is equipped with the cooling layer, be provided with the blast pipe on the quiet conducting rod, be equipped with buffer on the bellows. The beneficial effect of the utility model: this novel vacuum interrupter is simple structure not only, and the practicality is strong, and the buffer that sets up on the bellows moreover can effectually avoid that vacuum interrupter receives the damage when using.
Description
Technical field
The utility model is related to a kind of vacuum interrupter.
Background technology
Vacuum interrupter, is the core component of mesohigh power switch, mainly by airtight insulation crust, galvanic circle, screen
The part such as cylinder, contact, bellows and lower radome composition vacuum interrupter is covered, vacuum interrupter is using high vacuum operational insulation
Arc-extinguishing medium, a kind of electron tube of the on-off function of power circuit is realized by sealing a pair of contacts in a vacuum.When
When it disconnects the electric current of certain numerical value, dynamic/static contact in detached moment, on current constriction to contact is just more detached, appearance
Acutely increase and temperature are improved rapidly resistance between electrode, until there is the evaporation of electrode metal, while forming high electric-field strength
Degree, causes extremely strong strong transmitting and gap breakdown, produces vacuum arc, and producing vacuum arc raises can the temperature in shielding cylinder
There is difference so as to cause the connection between moving contact and static contact, and the rising of temperature can cause moving contact and static contact
Power on/off ability is unstable.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of Novel vacuum interrupter, and this is novel evacuated to go out
Arc chamber is not only simple in structure, practical, and on bellows arrange buffer unit can effectively avoid use when
Wait vacuum interrupter to be damaged.
The utility model solves the technical scheme that adopted of above-mentioned technical problem；
A kind of Novel vacuum interrupter, including vacuum interrupter body, the vacuum interrupter body be provided with static conductive rod,
Static side cover plate, insulation crust, moving conductive rod, moved end cover plate, one end of the static conductive rod is provided with static contact, the moving conductive rod
One end be provided with moving contact, moving conductive rod is provided with bellows and lower radome, and the static contact and moving contact periphery are provided with shielding
Cylinder, the shielding cylinder is provided with cooling layer, and the shielding cylinder is provided with cooling layer, and blast pipe is provided with the static conductive rod, described
Bellows is provided with buffer unit, is provided with conducting block on the static conductive rod for exposing vacuum interrupter body, insulation crust it is interior
Surface and outer surface are smooth superficial layer, and radome, upper shielding are provided with the static conductive rod of vacuum interrupter body
Cover and lower radome inwall are close to flexible heat-conducting layer, and flexible heat-conducting layer is made up of conductive graphite, and conduction graphite film is a kind of new
The heat conduction and heat radiation material of type, is orientated with unique crystal grain, and along about two both directions uniform heat conduction, flexible heat-conducting layer are carried out
Any surface can be very well adapted to for laminar structured, using the plasticity of graphite, conductive graphite the smooth attaching of imageable sheet is done into
In upper radome and lower radome inwall, the heat conductivility of product is improve.
The cooling layer is arranged between shielding cylinder, and in vacuum type.
The blast pipe is made up of two pipes, and inner tube is nested in outer tube, and diameter of inner pipe is less than outer tube.
The buffer unit includes flexure strip, and one end of the flexure strip is arranged between bellows lines, and is being used
When it is arched.
The static side cover plate and moved end cover plate are integrally formed for punching press, advantageously reduce cost, save resources, and are running
During its resistance it is relatively low, performance is more reliable and more stable.
Anti- torsion fairlead is provided between the moving conductive rod and moved end cover plate, anti-torsion fairlead internal sleeve is equipped with and anti-torsion
The moving conductive rod that fairlead matching is used, is fixedly connected, so that lead between anti-torsion fairlead and moved end cover plate by embolism extinguishing
Conducting rod is activated because of discontinuity and the situation that bellows deforms or even ruptures is caused, so as to extend making for product
Use the life-span.
The shielding cylinder is hollow cylinder, and cooling bath, the cooling bath are provided between its cylinder shape inner wall and outer wall
Inside it is provided with coolant, the cylinder shape inner wall covers layer of steel wire net, the shielding cylinder is aluminum, good cooling results.
Also include seal, the seal includes the sealing ring contacted with annular element lateral wall, and insulation crust is provided with confession
The fixed fixing groove of sealing ring insertion, good sealing effect.
The beneficial effects of the utility model：The Novel vacuum interrupter is not only simple in structure, practical, and bellows
The buffer unit of upper setting can effectively avoid vacuum interrupter when in use from being damaged.
Description of the drawings
Further illustrate with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
Specific embodiment
A kind of Novel vacuum interrupter as shown in Figure 1, including vacuum interrupter body, the vacuum interrupter body sets
There are static conductive rod, static side cover plate, insulation crust, moving conductive rod, moved end cover plate, one end of the static conductive rod is provided with static contact,
One end of the moving conductive rod is provided with moving contact, and moving conductive rod is provided with bellows and lower radome, the static contact and moving contact
Periphery is provided with shielding cylinder, including vacuum interrupter body, the vacuum interrupter body be provided with static conductive rod 2, static side cover plate 4,
Insulation crust 10, moving conductive rod 5, moved end cover plate 7, one end of the static conductive rod 2 is provided with static contact 3, the moving conductive rod 5
One end is provided with moving contact 4, and moving conductive rod 5 is provided with bellows 8 and lower radome 6, and the static contact 3 and the periphery of moving contact 4 are provided with
Shielding cylinder 9, the shielding cylinder 9 is provided with cooling layer, and blast pipe 11 is provided with the static conductive rod 2, and the bellows 8 is provided with
Buffer unit 12, exposes and conducting block is provided with the static conductive rod 2 of vacuum interrupter body, the inner surface of insulation crust 10 and outer
Surface is smooth superficial layer, and radome, upper radome and lower screen are provided with the static conductive rod 2 of vacuum interrupter body
Cover the inwall of cover 6 and be close to flexible heat-conducting layer, flexible heat-conducting layer is made up of conductive graphite, conduction graphite film is a kind of new heat conduction
Heat sink material, is orientated with unique crystal grain, and along about two both directions uniform heat conduction is carried out, and flexible heat-conducting layer is sheet
Structure can very well adapt to any surface, using the plasticity of graphite, conductive graphite do imageable sheet is smooth to be attached to upper shielding
Cover and lower radome inwall, improve the heat conductivility of product.
The cooling layer is arranged between shielding cylinder 9, and in vacuum type.
The blast pipe 11 is made up of two pipes, and inner tube is nested in outer tube, and diameter of inner pipe is less than outer tube.
The buffer unit 12 includes flexure strip, and one end of the flexure strip is arranged between the lines of bellows 8, and is made
Used time is arched.
The static side cover plate 4 and moved end cover plate 7 are integrally formed for punching press, advantageously reduce cost, save resources, and are transporting
Its resistance is relatively low during row, and performance is more reliable and more stable.
Anti- torsion fairlead is provided between the moving conductive rod 5 and moved end cover plate 7, anti-torsion fairlead internal sleeve is equipped with and prevents
The moving conductive rod 5 that fairlead matching is used is turned round, is fixedly connected by embolism extinguishing between anti-torsion fairlead and moved end cover plate 7, so made
Moving conductive rod 5 must be caused because of discontinuity and the situation that bellows 8 deforms or even ruptures is caused, so as to extend product
The service life of product.
The utility model is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is
For citing and descriptive purpose, and it is not intended to that the utility model is limited in described scope of embodiments.In addition ability
Field technique personnel it is understood that the utility model is not limited to above-described embodiment, according to teaching of the present utility model also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model scope required for protection with
It is interior.
Claims (8)
1. a kind of Novel vacuum interrupter, including vacuum interrupter body, the vacuum interrupter body is provided with static conductive rod, quiet
End casing, insulation crust, moving conductive rod, moved end cover plate, one end of the static conductive rod is provided with static contact, the moving conductive rod
One end is provided with moving contact, and moving conductive rod is provided with bellows and lower radome, and the static contact and moving contact periphery are provided with shielding cylinder,
The shielding cylinder is provided with cooling layer, it is characterised in that the shielding cylinder is provided with cooling layer, and exhaust is provided with the static conductive rod
Pipe, the bellows is provided with buffer unit, and conducting block is provided with the static conductive rod for exposing vacuum interrupter body, and insulation is outer
The inner surface and outer surface of shell is smooth superficial layer, and on the static conductive rod of vacuum interrupter body radome is provided with,
Upper radome and lower radome inwall are close to flexible heat-conducting layer.
2. a kind of Novel vacuum interrupter according to claim 1, it is characterised in that the cooling layer is arranged on shielding cylinder
Between, and in vacuum type.
3. a kind of Novel vacuum interrupter according to claim 1, it is characterised in that the blast pipe is by two pipe groups
Into inner tube is nested in outer tube, and diameter of inner pipe is less than outer tube.
4. a kind of Novel vacuum interrupter according to claim 1, it is characterised in that the buffer unit includes elasticity
Piece, one end of the flexure strip is arranged between bellows lines, and arched when in use.
5. a kind of Novel vacuum interrupter according to claim 1, it is characterised in that the static side cover plate and moved end cover plate
It is integrally formed for punching press.
6. a kind of Novel vacuum interrupter according to claim 1, it is characterised in that the moving conductive rod and moved end cover plate
Between be provided with anti-torsion fairlead.
7. a kind of Novel vacuum interrupter according to any one claim of claim 1-6, it is characterised in that the screen
It is hollow cylinder to cover cylinder, and cooling bath is provided between its cylinder shape inner wall and outer wall, and coolant, institute are provided with the cooling bath
State cylinder shape inner wall and cover layer of steel wire net, the shielding cylinder is aluminum.
8. a kind of Novel vacuum interrupter according to claim 7, it is characterised in that also including seal, the sealing
Part includes the sealing ring contacted with annular element lateral wall, and insulation crust is provided with and inserts fixed fixing groove for sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025078.XU CN206163402U (en) | 2016-08-31 | 2016-08-31 | Novel vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025078.XU CN206163402U (en) | 2016-08-31 | 2016-08-31 | Novel vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163402U true CN206163402U (en) | 2017-05-10 |
Family
ID=58650359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621025078.XU Expired - Fee Related CN206163402U (en) | 2016-08-31 | 2016-08-31 | Novel vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163402U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837966A (en) * | 2020-12-29 | 2021-05-25 | 国网宁夏电力有限公司电力科学研究院 | Arc extinguish chamber structure |
| CN114709108A (en) * | 2022-04-25 | 2022-07-05 | 国网山东省电力公司德州供电公司 | Vacuum circuit breaker with bellows damage protect function |
-
2016
- 2016-08-31 CN CN201621025078.XU patent/CN206163402U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837966A (en) * | 2020-12-29 | 2021-05-25 | 国网宁夏电力有限公司电力科学研究院 | Arc extinguish chamber structure |
| CN114709108A (en) * | 2022-04-25 | 2022-07-05 | 国网山东省电力公司德州供电公司 | Vacuum circuit breaker with bellows damage protect function |
| CN114709108B (en) * | 2022-04-25 | 2023-08-11 | 国网山东省电力公司德州供电公司 | Vacuum circuit breaker with corrugated pipe damage protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20200831 |