CN206282792U - A kind of vacuum interrupter with blast pipe - Google Patents
A kind of vacuum interrupter with blast pipe Download PDFInfo
- Publication number
- CN206282792U CN206282792U CN201621029695.7U CN201621029695U CN206282792U CN 206282792 U CN206282792 U CN 206282792U CN 201621029695 U CN201621029695 U CN 201621029695U CN 206282792 U CN206282792 U CN 206282792U
- Authority
- CN
- China
- Prior art keywords
- blast pipe
- conductive rod
- static
- vacuum interrupter
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of vacuum interrupter with blast pipe, vacuum interrupter body including being provided with fairlead, a kind of vacuum interrupter body for being provided with fairlead is provided with static conductive rod, static side cover plate, insulation crust, moving conductive rod, moved end cover plate, one end of static conductive rod is provided with static contact, one end of moving conductive rod is provided with moving contact, moving contact is provided with projection, static contact is provided with the groove for matching with respect to the projection on moving contact, moved end cover plate is provided with fairlead, fairlead coordinates assembling with moved end cover plate, static side cover plate is provided with blast pipe, blast pipe is made up of the pipe of two exhausts, inner tube is bushing in outer tube, and the diameter of inner tube is less than the diameter of outer tube.Using nested blast pipe, after the completion of exhaust, the blast pipe of vacuum extinction outdoor can be advanced to the male-female engagement on internal exhaust tube, and dynamic and static contact, effectively reduce the damage between dynamic and static contact, improve its service life.
Description
Technical field
The utility model is related to a kind of vacuum interrupter, especially a kind of vacuum interrupter with blast pipe.
Background technology
Existing high-voltage ceramic vacuum arc-chutes are that, by static side component, moved end component and ceramic package component are constituted.It is such to go out
There are three defects in arc chamber：First, porcelain shell is directly welded with the sealing ring of moved end component and static side component, and weld strength is low, weldering
Poor air-tightness is connect, commissure easily produces chronic leakage, cause high pressure failure of interruption, trigger various accidents；Secondly, sealing ring one
As use can cut down material, its is expensive, and production cost is high；Finally, the arc-chutes with blast pipe after packaging is accomplished, it is necessary to
Segment length cut-out sealing is reserved, is then protected with epoxy sealing, finally covered with rounded cap, with anti-tamper.Protective cap
The installation portion being highly more than between 10 millimeters, and moved end cover plate and moving conductive rod is convenient, and has gap, which increases arc extinguishing
The volume of room, the installation to breaker is made troubles.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of vacuum interrupter with blast pipe, the band
There is the blast pipe of the vacuum interrupter of blast pipe, using nested blast pipe, after the completion of exhaust, can be by vacuum extinction outdoor
Blast pipe be advanced to internal exhaust tube, then with epoxy sealing, finally covered with rounded cap, protective cap is highly much smaller than 10 millis
Rice, effectively reduces the volume of arc-chutes, and the installation with breaker is more easy, and the male-female engagement on dynamic and static contact, has
Damage between the dynamic and static contact of reduction of effect, there is provided the life-span of vacuum interrupter.
The utility model solves the technical scheme that is used of above-mentioned technical problem；
A kind of vacuum interrupter with blast pipe, including the vacuum interrupter body of fairlead is provided with, described one kind sets
The vacuum interrupter body for having fairlead is provided with static conductive rod, static side cover plate, insulation crust, moving conductive rod, moved end cover plate, described
One end of static conductive rod is provided with static contact, and one end of the moving conductive rod is provided with moving contact, and moving conductive rod is provided with bellows and screen
Cover is covered, the static contact and moving contact periphery are provided with shielding cylinder, and the shielding cylinder is provided with cooling layer, and the moving contact is provided with convex
Rise, the static contact is provided with the groove for matching with respect to the projection on moving contact, and the moved end cover plate is provided with fairlead, be oriented to
Set coordinates assembling with moved end cover plate, and the static side cover plate is provided with blast pipe, and the blast pipe is made up of the pipe of two exhausts,
Inner tube is bushing in outer tube, and inner tube diameter of the diameter less than outer tube；On moving contact raised at least two, it is convex with moving contact
The static contact upper groove at least two that matches is acted, static conductive rod is identical with the diameter of moving conductive rod, static conductive rod and moving conductive
The vertical center line of bar is on same straight line.
The static conductive rod is provided with the exhaust passage of connection bellows and exhaust tube cavity.
The fairlead is arranged between moving conductive rod and moved end cover plate in annulus sleeve-shaped, and sealing moved end cover plate is led with dynamic
Gap between electric pole.
Projection on the moving contact is formed in one with moving contact.
The shielding cylinder is hollow cylinder, and cooling bath, the cooling bath are provided between its cylinder shape inner wall and outer wall
Coolant is inside provided with, the cylinder shape inner wall covers layer of steel wire net, and the shielding cylinder is aluminum, and arc quenching effect is more preferable.
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, there is preferably sealing.
Also include annular gap, the rear end one rolled over of shielding cylinder has the annular element in the annular gap, described
Insulation crust rear end is installed with metalwork, also including annular connection structure and metal connecting structure, the annular connection structure with
The metal connecting structure and static side cover plate are welded, and structure is novel, low cost.
Also include galvanic circle, described galvanic circle surface is covered and has graphene layer, good cooling effect.
The bellows lateral wall is fixed on the cover plate of moved end, and a step is provided with the inside of insulation crust.
Static contact is provided with the groove for matching with respect to the projection on moving contact, and buffer unit is provided with the groove, described
Buffer unit includes elastic component and cushion pad, and one end of the elastic component is connected with the bottom of cushion pad, elastic component
The other end is connected with bottom portion of groove.
The beneficial effects of the utility model：The blast pipe of the vacuum interrupter with blast pipe, using nested exhaust
Pipe, after the completion of exhaust, can be advanced to internal exhaust tube by the blast pipe of vacuum extinction outdoor, then with epoxy sealing,
Finally covered with rounded cap, protective cap is highly much smaller than 10 millimeters, effectively reduces the volume of arc-chutes, and the installation with breaker is more
For easy, and the male-female engagement on dynamic and static contact, effectively reduce the damage between dynamic and static contact, there is provided vacuum interrupter
Life-span.
Brief description of the drawings
Further illustrate with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is exhaust pipe structure schematic diagram of the present utility model.
Specific embodiment
A kind of vacuum interrupter with blast pipe as Figure 1-Figure 2, including the vacuum interrupter for being provided with fairlead
Body, the vacuum interrupter body is provided with static conductive rod 2, static side cover plate 1, 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, and one end of the moving conductive rod 5 is provided with moving contact 4, and moving conductive rod 5 is provided with
Bellows 8 and radome 6, the static contact 3 and the periphery of moving contact 4 are provided with shielding cylinder 9, and the shielding cylinder 9 is provided with cooling layer, institute
State moving contact 4 and be provided with projection, the static contact 3 is provided with the groove for matching, the moved end lid with respect to the projection on moving contact 4
Plate 7 is provided with fairlead, and fairlead coordinates assembling with moved end cover plate 7, and the static side cover plate 1 is provided with blast pipe 11, the row
The pipe of gas 11 is made up of the pipe of two exhausts, and inner tube 11a is bushing in outer tube 11b, and the diameter of inner tube 11a is less than outer tube 11b's
Diameter；On moving contact 4 raised at least two, the upper groove at least two of static contact 3 matched with projection on moving contact 4 is quiet
Conducting rod 2 is identical with the diameter of moving conductive rod 5, and the vertical center line of static conductive rod 2 and moving conductive rod 5 is on same straight line.
The static conductive rod 2 is provided with the exhaust passage of connection bellows 8 and the inner chamber of blast pipe 11.
The fairlead is arranged between moving conductive rod 5 and moved end cover plate 7 in annulus sleeve-shaped, sealing moved end cover plate 7 with
Gap between moving conductive rod 5.
Projection on the moving contact 4 is formed in one with moving contact 3.
Claims (10)
1. a kind of vacuum interrupter with blast pipe, including the vacuum interrupter body for being provided with fairlead, it is characterised in that institute
State a kind of vacuum interrupter body for being provided with fairlead and 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, and one end of the moving conductive rod is provided with moving contact, and moving conductive rod is provided with ripple
Line pipe and radome, the static contact and moving contact periphery are provided with shielding cylinder, and the shielding cylinder is provided with cooling layer, the moving contact
Projection is provided with, the static contact is provided with the groove for matching with respect to the projection on moving contact, it is characterised in that the moved end lid
Plate is provided with fairlead, and fairlead and moved end cover plate coordinate assembling, and the static side cover plate is provided with blast pipe, the blast pipe by
Two pipes of exhaust are constituted, and inner tube is bushing in outer tube, and inner tube diameter of the diameter less than outer tube；Being raised on moving contact
Few two, and the raised static contact upper groove at least two for matching on moving contact, the diameter phase of static conductive rod and moving conductive rod
Together, the vertical center line of static conductive rod and moving conductive rod is on same straight line.
2. a kind of vacuum interrupter with blast pipe according to claim 1, it is characterised in that on the static conductive rod
It is provided with the exhaust passage of connection bellows and exhaust tube cavity.
3. a kind of vacuum interrupter with blast pipe according to claim 1, it is characterised in that the fairlead is in circle
Ring set tubular is arranged between moving conductive rod and moved end cover plate, the gap between sealing moved end cover plate and moving conductive rod.
4. a kind of vacuum interrupter with blast pipe according to claim 1, it is characterised in that on the moving contact
Projection is formed in one with moving contact.
5. according to a kind of any one described vacuum interrupters with blast pipe of claim 1-4, 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
Cylinder shape inner wall covering layer of steel wire net is stated, the shielding cylinder is aluminum.
6. a kind of vacuum interrupter with blast pipe according to claim 5, it is characterised in that also including seal,
The seal includes the sealing ring contacted with annular element lateral wall, and insulation crust is provided with for the fixed fixation of sealing ring insertion
Groove.
7. a kind of vacuum interrupter with blast pipe according to claim 6, it is characterised in that also including between annular
Gap, the rear end one rolled over of shielding cylinder has the annular element in the annular gap, and the insulation crust rear end is installed with gold
Category part, also including annular connection structure and metal connecting structure, the annular connection structure and the metal connecting structure and quiet
End cap plate weld.
8. a kind of vacuum interrupter with blast pipe according to claim 7, it is characterised in that also returned including conduction
Cover and have graphene layer in road, described galvanic circle surface.
9. a kind of vacuum interrupter with blast pipe according to claim 8, it is characterised in that the bellows outside
Wall is fixed on the cover plate of moved end, and a step is provided with the inside of insulation crust.
10. a kind of vacuum interrupter with blast pipe according to claim 9, it is characterised in that static contact is moved relatively
Projection on contact is provided with the groove for matching, and buffer unit is provided with the groove, and the buffer unit includes elasticity
Part and cushion pad, one end of the elastic component are connected with the bottom of cushion pad, and the other end of elastic component is connected with bottom portion of groove
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029695.7U CN206282792U (en) | 2016-08-31 | 2016-08-31 | A kind of vacuum interrupter with blast pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621029695.7U CN206282792U (en) | 2016-08-31 | 2016-08-31 | A kind of vacuum interrupter with blast pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282792U true CN206282792U (en) | 2017-06-27 |
Family
ID=59084414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621029695.7U Expired - Fee Related CN206282792U (en) | 2016-08-31 | 2016-08-31 | A kind of vacuum interrupter with blast pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206282792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696820A (en) * | 2020-06-24 | 2020-09-22 | 广东电网有限责任公司电力科学研究院 | Vacuum arc-extinguishing chamber and pole-mounted switch |
| CN112442672A (en) * | 2019-08-30 | 2021-03-05 | 佳能特机株式会社 | Vacuum device |
-
2016
- 2016-08-31 CN CN201621029695.7U patent/CN206282792U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112442672A (en) * | 2019-08-30 | 2021-03-05 | 佳能特机株式会社 | Vacuum device |
| CN112442672B (en) * | 2019-08-30 | 2023-09-22 | 佳能特机株式会社 | Vacuum device |
| CN111696820A (en) * | 2020-06-24 | 2020-09-22 | 广东电网有限责任公司电力科学研究院 | Vacuum arc-extinguishing chamber and pole-mounted switch |
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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: 20170627 Termination date: 20200831 |