CN208173489U - A kind of outdoor breaker vacuum interrupter - Google Patents
A kind of outdoor breaker vacuum interrupter Download PDFInfo
- Publication number
- CN208173489U CN208173489U CN201820932062.XU CN201820932062U CN208173489U CN 208173489 U CN208173489 U CN 208173489U CN 201820932062 U CN201820932062 U CN 201820932062U CN 208173489 U CN208173489 U CN 208173489U
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- CN
- China
- Prior art keywords
- bellows
- pipe
- vacuum interrupter
- water
- porcelain shell
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Abstract
The utility model discloses a kind of outdoor breaker vacuum interrupters, including porcelain shell and static contact, the upper surface of the porcelain shell is fixedly installed with static side cover board, and the lower end surface of porcelain shell is fixedly installed with guide sleeve, the inside of the guide sleeve, which is run through, moving conductive rod, the static contact is located at the bosom position of porcelain shell, the upper surface of the static contact is fixedly installed with static conductive rod, and moving contact is movably installed with immediately below static contact, the periphery of the moving contact is provided with main shield cover, and the outer surface of the bellows is socketed with shielding cylinder.A kind of outdoor breaker vacuum interrupter described in the utility model, equipped with ripple outer cylinder, large size water-supply-pipe and small size water-supply-pipe, the stability of bellows telescopic process can be strengthened, reduce the extent of damage of bellows, and can be carried out the radiation processes of moving conductive rod, its heat for being transmitted to bellows is reduced, is prolonged its service life, it is applicable in different operating situation, brings better prospect of the application.
Description
Technical field
The utility model relates to vacuum interrupter field, in particular to a kind of outdoor breaker vacuum interrupter.
Background technique
Vacuum interrupter, referring to can put out rapidly after making mesohigh circuitry cuts power supply by the excellent insulating properties of vacuum in pipe
Arc simultaneously inhibits electric current, avoids accident and unexpected generation with this, is generally used for the distribution systems such as metallurgy, petroleum, chemical industry, broadcast,
Have the characteristics that small in size, the service life is long, reliable for operation, pollution-free；There is certain disadvantage when in use in existing vacuum interrupter
End, the outside of bellows does not limit facility accordingly, it is caused to be easily damaged during flexible, influences vacuum and go out
The using effect of arc chamber, in addition, the fatigue life of bellows is related with heating temperature, the vacuum interrupter short circuit electricity big in disjunction
After stream, the waste heat of conducting rod is transmitted on bellows, increases the temperature of bellows, will when temperature rise reaches a certain level
The fatigue strength of bellows is influenced, so that the use to vacuum interrupter brings certain influence, for this purpose, it is proposed that a kind of
Outdoor breaker vacuum interrupter.
Utility model content
The main purpose of the utility model is to provide a kind of outdoor breaker vacuum interrupter, can effectively solve to carry on the back
The problems in scape technology.
To achieve the above object, the technical solution that the utility model is taken is：
The upper surface of a kind of outdoor breaker vacuum interrupter, including porcelain shell and static contact, the porcelain shell is fixedly mounted
There is static side cover board, and the lower end surface of porcelain shell is fixedly installed with guide sleeve, the inside of the guide sleeve, which is run through, moving conductive rod, described
Static contact is located at the bosom position of porcelain shell, and the upper surface of the static contact is fixedly installed with static conductive rod, and static contact
Underface be movably installed with moving contact, the periphery of the moving contact is provided with main shield cover, and the lower end surface activity of moving contact
Bellows is installed, the outer surface of the bellows is socketed with shielding cylinder, and the lower end surface of the porcelain shell is provided with moved end cover board, institute
The periphery for stating bellows is equipped with ripple outer cylinder, and the outer surface of the moving conductive rod is wrapped with large size water-supply-pipe, the large size water delivery
One end of pipe is provided with No.1 connector, and the other end of large size water-supply-pipe is provided with No. two connectors, the inside of No. two connectors
It is provided with small size water-supply-pipe, and the lower end of small size water-supply-pipe is provided with water storage case.
Preferably, the connection type between the guide sleeve and moved end cover board is to be threadedly coupled, and the outer wall of guide sleeve is viscous
Have insulating trip.
Preferably, the No.1 connector is for connecting syringe, and sealing shroud is equipped at the port of No.1 connector.
Preferably, the overall structure of the ripple outer cylinder is stretching structure, and the interior diameter of ripple outer cylinder is greater than bellows
Maximum compression diameter.
Preferably, the water outlet port diameter of No. two connectors less than No. two connectors water delivery port diameter, and it is small size defeated
Water pipe is socketed on the water outlet port of No. two connectors.
Preferably, the side wall of the water storage case offers connectivity port, and water storage case is transparent plastics material component.
Compared with prior art, the utility model has the advantages that：The outdoor breaker vacuum interrupter, is adopted
With ripple outer cylinder, the stability of bellows telescopic process can be improved, reduce its extent of damage, using large size water-supply-pipe and trumpet
Water-supply-pipe is able to carry out the rapid cooling process of moving conductive rod, its heat for being transmitted to bellows is reduced, to extend bellows
Service life, entire vacuum extinction cell structure is simple, and easy to operate, the effect used is more preferable relative to traditional approach.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of outdoor breaker vacuum interrupter of the utility model；
Fig. 2 is a kind of cross-sectional view of outdoor breaker vacuum interrupter of the utility model；
Fig. 3 is the structural schematic diagram of the utility model bellows；
Fig. 4 is the radiating mode structural schematic diagram of the utility model moving conductive rod.
In figure：1, porcelain shell；2, static side cover board；3, guide sleeve；4, moving conductive rod；5, static contact；6, static conductive rod；7, touching is moved
Head；8, main shield cover；9, bellows；10, shielding cylinder；11, moved end cover board；12, ripple outer cylinder；13, large size water-supply-pipe；14, one
Number connector；15, No. two connectors；16, small size water-supply-pipe；17, water storage case.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs 1-4, a kind of outdoor breaker vacuum interrupter, including porcelain shell 1 and static contact 5, the upper end of porcelain shell 1
Face is fixedly installed with static side cover board 2, and the lower end surface of porcelain shell 1 is fixedly installed with guide sleeve 3, and the inside of guide sleeve 3, which is run through, to be had
Conducting rod 4, static contact 5 are located at the bosom position of porcelain shell 1, and the upper surface of static contact 5 is fixedly installed with static conductive rod 6,
And the underface of static contact 5 is movably installed with moving contact 7, the periphery of moving contact 7 is provided with main shield cover 8, and under moving contact 7
End face is movably installed with bellows 9, and the outer surface of bellows 9 is socketed with shielding cylinder 10, and the lower end surface of porcelain shell 1 is provided with moved end lid
The periphery of plate 11, bellows 9 is equipped with ripple outer cylinder 12, and the outer surface of moving conductive rod 4 is wrapped with large size water-supply-pipe 13, large size water delivery
One end of pipe 13 is provided with No.1 connector 14, and the other end of large size water-supply-pipe 13 is provided with No. two connectors 15, No. two connectors 15
Be internally provided with small size water-supply-pipe 16, and the lower end of small size water-supply-pipe 16 is provided with water storage case 17；
Connection type between guide sleeve 3 and moved end cover board 11 is to be threadedly coupled, and the outer wall of guide sleeve 3 is bonded with insulation
Piece；No.1 connector 14 is equipped with sealing shroud for connecting syringe at the port of No.1 connector 14；The whole knot of ripple outer cylinder 12
Structure is stretching structure, and the interior diameter of ripple outer cylinder 12 is greater than the maximum compression diameter of bellows 9；The water outlet of No. two connectors 15
Mouthful diameter is less than the water delivery port diameter of No. two connectors 15, and small size water-supply-pipe 16 is socketed on the water outlet port of No. two connectors 15；
The side wall of water storage case 17 offers connectivity port, and water storage case 17 is transparent plastics material component.
It should be noted that the utility model is that a kind of outdoor breaker vacuum interrupter when in use goes out vacuum
Arc chamber is placed in corresponding electrical network facilities, can shape by being brazed between moved end cover board 11 and static side cover board 2 and porcelain shell 1
At closed vacuum chamber, guide sleeve 3 play the guiding role to the movement of moving conductive rod 4, during its operation, vacuum extinction
The moving conductive rod 4 and bellows 9 of room seal, and together as movable member, by connecting with operating mechanism, drive in operating mechanism
Under, it can be axially moved along arc-chutes and the moving contact 7 of arc-chutes is driven to complete to close transfer work, when moving conductive rod 4 is in actuating machine
When structure drives lower combined floodgate, moving contact 7 and static contact 5 are closed, power supply and load connection, when moving conductive rod 4 drives in operating mechanism
When lower electrification separating brake, vacuum arc is generated between moving contact 7 and static contact 5, when the contact of vacuum interrupter charges in a vacuum
When separation, electrical contact surface product is reduced rapidly, electric when moving contact 7 and the static contact 5 of 6 lower end of static conductive rod are in isolated moment
Stream is retracted in the certain point that contact has just separated or certain several points, and resistance between electrode acutely increases, and temperature also improves rapidly, last gold
Belong to bridge and melt and evaporate a large amount of metallic vapour, be formed simultaneously high electric field strength, cause violent field strength transmitting and
Gap breakdown, generates vacuum arc, when operating current is close to zero while contact spacing increases, the plasma of vacuum arc
It quickly spreads around, after arc current zero passage, the medium of contact gap becomes insulator from electric conductor rapidly, then electric current quilt
Disjunction, cut-offs end, and the metallic vapour generated during arcing is by 8 surface condensation of main shield cover, in a small amount of gas of release
The metallic vapour that a part is agglomerated absorbs, and a part is absorbed by the indoor getter of arc extinguishing, so that vacuum interrupter is tieed up always
Hold higher vacuum degree, shielding cylinder 10 is for protecting bellows 9, and during bellows 9 is flexible, ripple outer cylinder 12 can be with
Its synchronization telescope, to reduce the degree of 9 torsional deformation of bellows, the heat generated in 4 operational process of moving conductive rod is easy
It is transmitted to bellows 9, influences the fatigue strength of bellows 9, by using syringe through No.1 connector 14 to large size water-supply-pipe 13
Inside input cold water and the form for entering water storage case 17 from small size water-supply-pipe 16 through No. two connectors 15, can carry out moving conductive rod 4
Fast cooling, the service life of bellows 9 can be extended in this manner, it is more practical.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of outdoor breaker vacuum interrupter, including porcelain shell（1）With static contact（5）, it is characterised in that：The porcelain shell
（1）Upper surface be fixedly installed with static side cover board（2）, and porcelain shell（1）Lower end surface be fixedly installed with guide sleeve（3）, described to lead
To set（3）Inside through there is moving conductive rod（4）, the static contact（5）Positioned at porcelain shell（1）Bosom position at, it is described
Static contact（5）Upper surface be fixedly installed with static conductive rod（6）, and static contact（5）Underface be movably installed with moving contact
（7）, the moving contact（7）Periphery be provided with main shield cover（8）, and moving contact（7）Lower end surface be movably installed with bellows
（9）, the bellows（9）Outer surface be socketed with shielding cylinder（10）, the porcelain shell（1）Lower end surface be provided with moved end cover board
（11）, the bellows（9）Periphery be equipped with ripple outer cylinder（12）, the moving conductive rod（4）To be wrapped with large size defeated for outer surface
Water pipe（13）, the large size water-supply-pipe（13）One end be provided with No.1 connector（14）, and large size water-supply-pipe（13）The other end
It is provided with No. two connectors（15）, No. two connectors（15）Be internally provided with small size water-supply-pipe（16）, and small size water-supply-pipe
（16）Lower end be provided with water storage case（17）.
2. a kind of outdoor breaker vacuum interrupter according to claim 1, it is characterised in that：The guide sleeve（3）
With moved end cover board（11）Between connection type be to be threadedly coupled, and guide sleeve（3）Outer wall be bonded with insulating trip.
3. a kind of outdoor breaker vacuum interrupter according to claim 1, it is characterised in that：The No.1 connector
（14）For connecting syringe, and No.1 connector（14）Port at be equipped with sealing shroud.
4. a kind of outdoor breaker vacuum interrupter according to claim 1, it is characterised in that：The ripple outer cylinder
（12）Overall structure be stretching structure, and ripple outer cylinder（12）Interior diameter be greater than bellows（9）Maximum compression diameter.
5. a kind of outdoor breaker vacuum interrupter according to claim 1, it is characterised in that：No. two connectors
（15）Less than No. two connectors of water outlet port diameter（15）Water delivery port diameter, and small size water-supply-pipe（16）No. two are socketed on to connect
Head（15）Water outlet port.
6. a kind of outdoor breaker vacuum interrupter according to claim 1, it is characterised in that：The water storage case（17）
Side wall offer connectivity port, and water storage case（17）For transparent plastics material component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820932062.XU CN208173489U (en) | 2018-06-15 | 2018-06-15 | A kind of outdoor breaker vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820932062.XU CN208173489U (en) | 2018-06-15 | 2018-06-15 | A kind of outdoor breaker vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208173489U true CN208173489U (en) | 2018-11-30 |
Family
ID=64363546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820932062.XU Active CN208173489U (en) | 2018-06-15 | 2018-06-15 | A kind of outdoor breaker vacuum interrupter |
Country Status (1)
| Country | Link |
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| CN (1) | CN208173489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571097A (en) * | 2019-08-15 | 2019-12-13 | 河北宝利输变电设备制造有限公司 | Composite disc type self-cooling vacuum arc extinguish chamber |
-
2018
- 2018-06-15 CN CN201820932062.XU patent/CN208173489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571097A (en) * | 2019-08-15 | 2019-12-13 | 河北宝利输变电设备制造有限公司 | Composite disc type self-cooling vacuum arc extinguish chamber |
| CN110571097B (en) * | 2019-08-15 | 2022-06-10 | 河北宝利输变电设备制造有限公司 | Composite disc type self-cooling vacuum arc extinguish chamber |
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