CN108054050A - A kind of on-load switch - Google Patents
A kind of on-load switch Download PDFInfo
- Publication number
- CN108054050A CN108054050A CN201711393445.0A CN201711393445A CN108054050A CN 108054050 A CN108054050 A CN 108054050A CN 201711393445 A CN201711393445 A CN 201711393445A CN 108054050 A CN108054050 A CN 108054050A
- Authority
- CN
- China
- Prior art keywords
- outgoing arm
- line
- fixedly connected
- tri
- arc
- 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.)
- Withdrawn
Links
- 239000004593 Epoxy Substances 0.000 claims abstract description 14
- 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 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims abstract description 13
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 13
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 239000012212 insulator Substances 0.000 claims abstract description 11
- 230000008033 biological extinction Effects 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 14
- 238000005266 casting Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/66223—Details relating to the sealing of vacuum switch housings
Landscapes
- Insulators (AREA)
Abstract
The present invention relates to a kind of on-load switches, including upper line-outgoing arm, lower line-outgoing arm, arc-chutes, tri-station isolating switch and operating mechanism, the indoor moving contact of arc extinguishing is fixedly connected by moving conductive rod with the upper end of insulated tension pole, insulated tension pole lower end is connected with operating mechanism, and tri-station isolating switch, operating mechanism and vacuum interrupter are mounted on pedestal；It is mainly integrally cast on the outside of vacuum interrupter and pedestal in epoxyresin insulator, upper line-outgoing arm lower end is fixedly connected by fixing screws and conducting ring with the static conductive rod in vacuum extinction room；Base bottom surface fixation is inlaid on epoxy mount, and lower line-outgoing arm fixation is cast in the center of epoxy mount, and tri-station isolating switch lower end is fixedly connected by conducting ring and screw with the upper terminals of lower line-outgoing arm.It realizes all insulation, totally-enclosed, has the characteristics that the class of insulation is high, small, non-maintaining.
Description
Technical field
The invention belongs to high-voltage electrical appliances field, especially with respect to a kind of high-voltage vacuum load switch.
Background technology
Existing on-load switch, mainly using air insulation on-load switch and compound inslation formula on-load switch, air insulation
On-load switch arc-chutes are completely exposed into air, and by air insulation, the insulation mode of compound inslation formula on-load switch is will to go out
Arc chamber is fixed on inside the shielding cylinder of epoxy resin, and insulating shield cylinder and vacuum interrupter have certain gap, phase insulation
By shielding cylinder and air double insulation.The on-load switch of both forms, due to having between arc-chutes and insulating shield cylinder
Certain space, over time can be in the steric bulk dunghill, especially under serious pollution environment, vacuum interrupter and insulation
Accumulation dunghill between shielding cylinder can be relatively more, reduce the dielectric level of on-load switch.And the on-load switch of both forms
Volume is unfavorable for greatly the miniaturization of product.
The content of the invention
The purpose of the present invention is being directed to shortcoming existing in the prior art, a kind of good insulation preformance, small load are provided
Switch.
Technical scheme includes upper line-outgoing arm, lower line-outgoing arm, arc-chutes, tri-station isolating switch and operation machine
Structure, arc-chutes are vacuum interrupter, are fixedly connected positioned at the indoor static contact of arc extinguishing by static conductive rod with upper line-outgoing arm, arc extinguishing
Indoor moving contact is fixedly connected by moving conductive rod with the upper end of insulated tension pole, and insulated tension pole lower end is connected with operating mechanism,
Moving conductive rod is connected with tri-station isolating switch upper end by flexible circuit conductor, and flexible circuit conductor is fixedly connected on moving conductive rod by conductive clip
On, tri-station isolating switch lower end is fixedly connected with lower line-outgoing arm, tri-station isolating switch, operating mechanism and vacuum interrupter peace
On pedestal；It is mainly integrally cast on the outside of vacuum interrupter and pedestal in epoxyresin insulator, upper line-outgoing arm is by ring
Oxygen insulation resin set is fixedly mounted on the upper end of epoxyresin insulator, upper line-outgoing arm lower end by fixing screws and conducting ring with
Static conductive rod in vacuum extinction room is fixedly connected, and has annular ditch between upper line-outgoing arm periphery and epoxyresin insulator
Slot, conducting ring are inserted into the ring-shaped groove, are fixed and connected using thorn hooking structure between conducting ring inner round wall and upper line-outgoing arm periphery
It connects；Base bottom surface fixation is inlaid on epoxy mount, and lower line-outgoing arm fixation is cast in the center of epoxy mount,
Its lower terminals exposes from epoxy mount bottom surface, has insulated column, the insulated column and epoxy between upper terminals and pedestal
Resin-base one moulding by casting has annular connection between insulated column inner hole wall and the upper terminals periphery of lower line-outgoing arm
Groove, tri-station isolating switch lower end are fixedly connected by conducting ring and screw with the upper terminals of lower line-outgoing arm, conducting ring
The cylinder of lower part is inserted into annular connection groove, and the upper terminals periphery of inner hole wall and lower line-outgoing arm moves with the touch,
Cylindrical wall moves cooperation with insulated column inner hole wall.
It is an advantage of the invention that it is integrally cast on the outside of vacuum interrupter and pedestal in epoxyresin insulator, base bottom surface
Fixation is inlaid on epoxy mount, by conductive component overall package in insulator, realizes all insulation, totally-enclosed, has
The features such as class of insulation is high, small, non-maintaining.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Specific embodiment
On-load switch as shown in Figure 1, including upper line-outgoing arm 1, lower line-outgoing arm 12, arc-chutes 3, tri-station isolating switch 10
And operating mechanism, arc-chutes 3 are vacuum interrupter, the static contact in arc-chutes 3 is solid by static conductive rod and upper line-outgoing arm 1
Fixed to connect, the moving contact in arc-chutes 3 is fixedly connected by moving conductive rod 6 with the upper end of insulated tension pole 11, under insulated tension pole 11
End is connected with operating mechanism, and moving conductive rod 6 is connected with 10 upper end of tri-station isolating switch by flexible circuit conductor 4, and flexible circuit conductor 4 is by conduction
Folder 5 is fixedly connected on moving conductive rod 6, is pulled downward on insulated tension pole 11 by operating mechanism, drives moving conductive rod 6 to moving down
It is dynamic, moving contact is made to leave static contact, realizes sub-switching operation；10 lower end of tri-station isolating switch is fixedly connected with lower line-outgoing arm 12,
Tri-station isolating switch 10, operating mechanism and vacuum interrupter are mounted on pedestal 7；7 outside one of vacuum interrupter and pedestal
It is cast in epoxyresin insulator 9, upper line-outgoing arm 1 is fixedly mounted on epoxyresin insulator 9 by epoxy resins insulation set 13
Upper end, upper 1 lower end of line-outgoing arm is fixedly connected by fixing screws 2 and conducting ring with the static conductive rod in vacuum extinction room, on
There is ring-shaped groove, conducting ring is inserted into the ring-shaped groove, conducting ring between 1 periphery of line-outgoing arm and epoxyresin insulator 9
It is fixedly connected between inner round wall and upper 1 periphery of line-outgoing arm using thorn hooking structure, prevents line-outgoing arm 1 from being pulled out and being improved by external force
Electrical connection properties between upper line-outgoing arm 1 and static conductive rod；7 bottom surface of pedestal is fixed and is inlaid on epoxy mount 8, lower outlet
Arm 12 fixes the center for being cast in epoxy mount 8, and lower terminals expose from 8 bottom surface of epoxy mount, above connect
There is insulated column between line end and pedestal 7, the integral moulding by casting of the insulated column and epoxy mount 8, by lower line-outgoing arm 12 with
Pedestal 7 is dielectrically separated from, and has annular connection groove between insulated column inner hole wall and the upper terminals periphery of lower line-outgoing arm 12,
10 lower end of tri-station isolating switch is fixedly connected by conducting ring and screw with the upper terminals of lower line-outgoing arm 12, under conducting ring
The cylinder in portion is inserted into annular connection groove, and the upper terminals periphery of inner hole wall and lower line-outgoing arm 12 moves with the touch,
Electrical connection properties between tri-station isolating switch 10 and lower line-outgoing arm 12 are improved, cylindrical wall moves cooperation with insulated column inner hole wall.
Claims (1)
1. a kind of on-load switch, including upper line-outgoing arm（1）, lower line-outgoing arm（12）, arc-chutes（3）, tri-station isolating switch（10）
And operating mechanism, positioned at arc-chutes（3）Interior static contact passes through static conductive rod and upper line-outgoing arm（1）It is fixedly connected, arc-chutes（3）
Interior moving contact passes through moving conductive rod（6）With insulated tension pole（11）Upper end be fixedly connected, insulated tension pole（11）Lower end and operation
Mechanism connects, moving conductive rod（6）With tri-station isolating switch（10）Upper end passes through flexible circuit conductor（4）Connection, tri-station isolating switch
（10）Lower end and lower line-outgoing arm（12）It is fixedly connected, tri-station isolating switch（10）, operating mechanism and arc-chutes（3）Mounted on base
Seat（7）On；It is characterized in that arc-chutes（3）And pedestal（7）Outside is integrally cast in epoxyresin insulator（9）It is interior, upper line-outgoing arm
（1）Lower end passes through fixing screws（2）It is fixedly connected with conducting ring with the static conductive rod in vacuum extinction room, upper line-outgoing arm（1）Outside
Disc and epoxyresin insulator（9）Between there is ring-shaped groove, conducting ring is inserted into the ring-shaped groove, conducting ring inner round wall with
Upper line-outgoing arm（1）It is fixedly connected between periphery using thorn hooking structure；Pedestal（7）Bottom surface is fixed and is inlaid in epoxy mount
（8）On, lower line-outgoing arm（12）Fixation is cast in epoxy mount（8）Center, lower terminals are from epoxy resin bottom
Seat（8）Bottom surface is exposed, upper terminals and pedestal（7）Between have insulated column, the insulated column and epoxy mount（8）Integrally pour
Injection forming, in insulated column inner hole wall and lower line-outgoing arm（12）Upper terminals periphery between have annular connection groove, three works
Position disconnecting switch（10）Lower end passes through conducting ring and screw and lower line-outgoing arm（12）Upper terminals be fixedly connected, under conducting ring
The cylinder in portion is inserted into annular connection groove, inner hole wall and lower line-outgoing arm（12）Upper terminals periphery move with splice grafting
It touches, cylindrical wall moves cooperation with insulated column inner hole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393445.0A CN108054050A (en) | 2017-12-21 | 2017-12-21 | A kind of on-load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393445.0A CN108054050A (en) | 2017-12-21 | 2017-12-21 | A kind of on-load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108054050A true CN108054050A (en) | 2018-05-18 |
Family
ID=62131281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711393445.0A Withdrawn CN108054050A (en) | 2017-12-21 | 2017-12-21 | A kind of on-load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108054050A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19918077C1 (en) * | 1999-04-21 | 2000-11-09 | Driescher Eltech Werk | HV load switch e.g. for electric railway, has vacuum switch chamber adjacent main switching contacts containing contacts which are closed for extinguishing arc between main switching contacts |
| CN2924765Y (en) * | 2006-07-17 | 2007-07-18 | 北海银河高科技产业股份有限公司 | Fully-enclosed post for vacuum circuit breaker |
| CN200944352Y (en) * | 2006-08-24 | 2007-09-05 | 周新辉 | High-current grounding switch static contact device |
| CN203134669U (en) * | 2013-01-11 | 2013-08-14 | 浙江东亚机电有限公司 | Lower terminal assembly of vacuum circuit breaker |
| CN204332811U (en) * | 2015-01-07 | 2015-05-13 | 大亚电器集团有限公司 | Solid insulation high-pressure vacuum breaker |
-
2017
- 2017-12-21 CN CN201711393445.0A patent/CN108054050A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19918077C1 (en) * | 1999-04-21 | 2000-11-09 | Driescher Eltech Werk | HV load switch e.g. for electric railway, has vacuum switch chamber adjacent main switching contacts containing contacts which are closed for extinguishing arc between main switching contacts |
| CN2924765Y (en) * | 2006-07-17 | 2007-07-18 | 北海银河高科技产业股份有限公司 | Fully-enclosed post for vacuum circuit breaker |
| CN200944352Y (en) * | 2006-08-24 | 2007-09-05 | 周新辉 | High-current grounding switch static contact device |
| CN203134669U (en) * | 2013-01-11 | 2013-08-14 | 浙江东亚机电有限公司 | Lower terminal assembly of vacuum circuit breaker |
| CN204332811U (en) * | 2015-01-07 | 2015-05-13 | 大亚电器集团有限公司 | Solid insulation high-pressure vacuum breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180518 |
|
| WW01 | Invention patent application withdrawn after publication |