CN206163396U - Layer vacuum interrupter with buffer and insulating layer - Google Patents
Layer vacuum interrupter with buffer and insulating layer Download PDFInfo
- Publication number
- CN206163396U CN206163396U CN201621028778.4U CN201621028778U CN206163396U CN 206163396 U CN206163396 U CN 206163396U CN 201621028778 U CN201621028778 U CN 201621028778U CN 206163396 U CN206163396 U CN 206163396U
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- China
- Prior art keywords
- conductive rod
- vacuum interrupter
- static
- moving
- layer
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- Expired - Fee Related
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Abstract
The utility model discloses a layer vacuum interrupter with buffer and insulating layer, 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, and 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, moves the conducting rod and is equipped with bellows and shield cover, and static contact and moving contact periphery are equipped with a shielding section of thick bamboo, and a shielding section of thick bamboo is equipped with the cooling layer, is equipped with the arch on the moving contact, and the arch on the relative moving contact of static contact is equipped with identical recess, is equipped with buffer in the recess, the bellows with move the conducting rod department of cup jointing centre and be equipped with the insulating layer, move the conducting rod and arrange the fin that insulating casing's part was equipped with heat dissipation usefulness in. The utility model discloses an effectual collision damage of putting out a fire and be equipped with between indoor moving contact and the static contact in this vacuum that prevents moving contact and static contact of buffer, the insulating layer adopts ceramic material to make, more can play thermal -insulated effect.
Description
Technical field
The utility model is related to take notice of likes red vacuum interrupter, especially a kind of layer with buffer unit and thermal insulation layer
Vacuum interrupter.
Background technology
Vacuum circuit breaker mainly includes contact, vacuum interrupter, operating mechanism and chassis handcart etc., the ripple of vacuum interrupter
Line pipe great majority are compressing using the stainless steel of 0.15mm thickness.Bellows mainly undertakes the electronic pole of guarantee in vacuum interrupter
Action and for a long time function of holding arc-chutes inner high voltage vacuum within the specific limits, and ensure that vacuum interrupter has very high machine
The tool life-span.During division, arc extinguishing chamber bellows receive telescopic action to vacuum switch, and stress, institute are received on ripple tube section
Should be determined according to stroke repeatedly and using pressure with the life-span of bellows.The fatigue life of bellows and receiving for condition of work
Hot temperature is relevant, and after big short circuit current is segmented, the waste heat of conducting rod is delivered on bellows vacuum interrupter, makes bellows
Temperature raise, when temperature rise to a certain extent when, the fatigue strength of bellows will be affected.So how to protect bellows not
The service life for suffering damage and extending vacuum interrupter is that those skilled in the art need the problem that overcomes.
Utility model content
In order to overcome the deficiencies in the prior art, it is true that the utility model provides a kind of layer with buffer unit and thermal insulation layer
Empty arc-chutes, the buffer unit being provided between the indoor moving contact of vacuum fire extinguishing and static contact effectively prevents moving contact and quiet
The damaged in collision of contact, thermal insulation layer is made using ceramic material, can more play effect of heat insulation.
The utility model solves the technical scheme that adopted of above-mentioned technical problem；
A kind of layer vacuum interrupter with buffer unit and thermal insulation layer, including vacuum interrupter body, the vacuum
Arc-chutes body is 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
Static contact is provided with, one end of the moving conductive rod is provided with moving contact, and moving conductive rod is provided with bellows and radome, the static contact
Shielding cylinder is provided with moving contact periphery, the shielding cylinder is provided with cooling layer, and the moving contact is provided with projection, the static contact phase
The groove for matching is provided with to the projection on moving contact, buffer unit, the bellows and moving conductive rod are provided with the groove
Thermal insulation layer is provided with the middle of socket place, the moving conductive rod is placed in the fin that the part of insulation crust is provided with heat transmission, on radome
Two jiaos of portion is straight line chamfering shape or camber line chamfering shape, and outside the static conductive rod of vacuum interrupter body interior fairlead is cased with, on
Fairlead is tightly connected with static side cover plate lower surface, and lower fairlead is cased with outside the moving conductive rod of vacuum interrupter body interior, under
Fairlead is tightly connected with moved end cover plate upper surface.
The buffer unit is elastic component and the pad being arranged on elastic component, elastic component and pad fixing assembling.
The thermal insulation layer is ceramic layer.
The fin is copper composition.
The moving conductive rod length is longer than static conductive rod length.
The fin is connected with moving conductive rod by being fixed.
The beneficial effects of the utility model：The buffer unit being provided between the indoor moving contact of the vacuum fire extinguishing and static contact
Effectively prevent the damaged in collision of moving contact and static contact, thermal insulation layer from making using ceramic material, can more play effect of heat insulation.
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 thermal insulation layer enlarged diagram of the present utility model.
Specific embodiment
A kind of layer vacuum interrupter with buffer unit and thermal insulation layer as Figure 1-Figure 2, including vacuum extinction
Room 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 lid
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 sets
There are 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,
The moving contact 4 is provided with projection, and the projection on the relative moving contact 4 of the static contact 3 is provided with the groove for matching, the groove
Buffer unit is inside provided with, in the middle of the bellows 8 and the socket place of moving conductive rod 5 thermal insulation layer 11 is provided with, the moving conductive rod 5 is placed in
The part of insulation crust 10 is provided with the fin 12 of heat transmission, and two jiaos of 6 top of radome is straight line chamfering shape or camber line chamfering shape, very
Fairlead is cased with outside the static conductive rod 2 of empty arc-chutes body interior, upper fairlead is tightly connected with the lower surface of static side cover plate 1,
Lower fairlead is cased with outside the moving conductive rod 5 of vacuum interrupter body interior, lower fairlead connects with the sealing of the upper surface of moved end cover plate 7
Connect.
The buffer unit is elastic component and the pad being arranged on elastic component, elastic component and pad fixing assembling.
The thermal insulation layer 11 is ceramic layer 13.
The fin 12 is copper composition.
The length of the moving conductive rod 5 is longer than the length of static conductive rod 2.
The fin 12 is connected with moving conductive rod 5 by being fixed
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 (6)
1. a kind of layer vacuum interrupter with buffer unit and thermal insulation layer, including vacuum interrupter body, the vacuum is gone out
Arc chamber body is provided with static conductive rod, static side cover plate, insulation crust, moving conductive rod, moved end cover plate, and one end of the static conductive rod sets
Have a static contact, one end of the moving conductive rod is provided with moving contact, moving conductive rod is provided with bellows and radome, the static contact and
Moving contact periphery is provided with shielding cylinder, and the shielding cylinder is provided with cooling layer, and the moving contact is provided with projection, and the static contact is relative
Projection on moving contact is provided with the groove for matching, and in the groove buffer unit is provided with, it is characterised in that the bellows with
Thermal insulation layer is provided with the middle of moving conductive rod socket place, the moving conductive rod is placed in the fin that the part of insulation crust is provided with heat transmission,
Two jiaos of radome top is straight line chamfering shape or camber line chamfering shape, is cased with leading outside the static conductive rod of vacuum interrupter body interior
To set, upper fairlead is tightly connected with static side cover plate lower surface, is cased with down leading outside the moving conductive rod of vacuum interrupter body interior
To set, lower fairlead is tightly connected with moved end cover plate upper surface.
2. a kind of layer vacuum interrupter with buffer unit and thermal insulation layer according to claim 1, it is characterised in that
The buffer unit is elastic component and the pad being arranged on elastic component, elastic component and pad fixing assembling.
3. a kind of layer vacuum interrupter with buffer unit and thermal insulation layer according to claim 1, it is characterised in that
The thermal insulation layer is ceramic layer.
4. a kind of layer vacuum interrupter with buffer unit and thermal insulation layer according to claim 1, it is characterised in that
The fin is copper composition.
5. a kind of layer vacuum interrupter with buffer unit and thermal insulation layer according to claim 1, it is characterised in that
The moving conductive rod length is longer than static conductive rod length.
6. a kind of layer vacuum interrupter with buffer unit and thermal insulation layer according to claim 1, it is characterised in that
The fin is connected with moving conductive rod by being fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621028778.4U CN206163396U (en) | 2016-08-31 | 2016-08-31 | Layer vacuum interrupter with buffer and insulating layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621028778.4U CN206163396U (en) | 2016-08-31 | 2016-08-31 | Layer vacuum interrupter with buffer and insulating layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163396U true CN206163396U (en) | 2017-05-10 |
Family
ID=58651319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621028778.4U Expired - Fee Related CN206163396U (en) | 2016-08-31 | 2016-08-31 | Layer vacuum interrupter with buffer and insulating layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163396U (en) |
-
2016
- 2016-08-31 CN CN201621028778.4U patent/CN206163396U/en not_active Expired - Fee Related
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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 |