CN206401229U - A kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact - Google Patents
A kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact Download PDFInfo
- Publication number
- CN206401229U CN206401229U CN201621437074.2U CN201621437074U CN206401229U CN 206401229 U CN206401229 U CN 206401229U CN 201621437074 U CN201621437074 U CN 201621437074U CN 206401229 U CN206401229 U CN 206401229U
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- China
- Prior art keywords
- cylinder
- moving contact
- arc
- latexed
- vacuum
- 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
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 26
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 26
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 13
- BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 claims abstract description 11
- 239000004809 Teflon Substances 0.000 claims abstract description 5
- 229920006362 Teflon® Polymers 0.000 claims abstract description 5
- 229910018503 SF6 Inorganic materials 0.000 claims description 11
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 11
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 11
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000002966 varnish Substances 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 230000008033 biological extinction Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Circuit Breakers (AREA)
Abstract
The utility model belongs to electrical equipment technical field, it is related to a kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact, including cylinder, cylinder upper end is sequentially provided with polytetrafluoroethylene (PTFE) spout and dynamic main contac from top to bottom, and its lower end is sequentially provided with moving contact seat and vacuum-latexed arm-tie from top to bottom;Dynamic main contac top and bottom are threadedly coupled with polytetrafluoroethylene (PTFE) spout and cylinder respectively;Upper end is provided with moving arcing contact in air cavity in the cylinder, and through the pull bar of air cavity, the polytetrafluoroethylene (PTFE) spout, cylinder, vacuum-latexed arm-tie and moving arcing contact are connected as one jointly, pull bar is connected with dynamic main contac, watchband-shaped contactor is provided between moving contact seat and cylinder, teflon seal guide ring is provided between the moving contact seat and cylinder of watchband-shaped contactor upper and lower side, when using, pull vacuum-latexed arm-tie and then drive cylinder to be moved up and down along moving contact seat, the utility model can reduce breaker operation work, improve mechanical life, turn avoid self-energy arc-extinguishing chamber cut-offs blind area.
Description
Technical field
The utility model belongs to electrical equipment technical field, and in particular to a kind of new 40.5kV sulfur hexafluoride breakers go out
Arc chamber cylinder moving contact.
Background technology
Sulfur hexafluoride gas has good electrical insulation properties and excellent arc extinction performance, is widely used in high pressure
Appliance field.Sulfur hexafluoride breaker is exactly its major loop movable contact, static contact using sulfur hexafluoride gas as dielectric product
It is fixed on inside arc-chutes, is drawn by upper and lower conductor outlet, additionally by the power transmission shaft connection insulation driving for stretching out arc-chutes
Arm-tie makes moving contact move up and down splitting or integrating lock.The sulfur hexafluoride gas of certain pressure is filled with arc-chutes, the cylinder type in separating brake
Moving contact can form effective sulfur hexafluoride air-flow and be formed with cooling down and extinguishing breaker during separating brake on arcing contact surface
Electric arc, have and waited outside cavity the sulfur hexafluoride gas of pressure, therefore, gas in cylinder type moving contact cavity in making process
The air pressure synthesis capability of cylinder type moving contact, driving coupling reliability, current capacity, arc extinction performance show important especially.
Utility model content
The purpose of this utility model is that a kind of new small volume of offer, air pressure synthesis are rapid, driving coupling is reliable, current-carrying
Good, the easy for installation cylinder type moving contact of stable, arc extinction performance, for 40.5kV sulfur hexafluoride breakers.
To achieve the above object, the utility model provides following technical scheme:
A kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact, including cylinder 3, the upper end of cylinder 3 is from upper
And under be sequentially provided with polytetrafluoroethylene (PTFE) spout 1 and dynamic main contac 2, its lower end is sequentially provided with moving contact seat 4 and Vaccum Permeating from top to bottom
Glue arm-tie 5;The described top and bottom of dynamic main contac 2 are threadedly coupled with polytetrafluoroethylene (PTFE) spout 1 and cylinder 3 respectively;The gas
Upper end is provided with moving arcing contact 8 in air cavity in cylinder 3, and through the pull bar 10 of air cavity, the polytetrafluoroethylene (PTFE) spout 1, cylinder
3rd, vacuum-latexed arm-tie 5 and moving arcing contact 8 are connected as one jointly, and pull bar 10 is connected with dynamic main contac 2, moving contact seat 4 and cylinder 3
Between be provided with watchband-shaped contactor 6, between the moving contact seat 4 and cylinder 3 of the upper and lower side of watchband-shaped contactor 6 be provided with teflon seal guide ring
9, in use, pulling vacuum-latexed arm-tie 5 and then driving cylinder 3 to be moved up and down along moving contact seat 4.
It is preferred that, moving contact seat lid 7 is additionally provided with moving contact seat 4 and positioned at moving contact seat leading-out terminal 11.
It is preferred that, vacuum-latexed arm-tie 5 is processed by the thick vacuum-latexed sheet material matter of 5 ㎜, the table of vacuum-latexed arm-tie 5
Face sprays the resistance to electric trace surface coating varnish for being exclusively used in sulfur hexafluoride arc-chutes.
It is preferred that, cylinder 3 is processed by chromium-bronze, the ㎜ of 3 wall thickness of cylinder 3.
Compared with prior art, the beneficial effects of the utility model are:
The utility model is dynamic to be loaded on breaker arc extinguishing chamber interior, and assembling is simple, and easy for installation, small volume, air pressure synthesis is fast
Speed, the utility model combines self extinguishing type arc quenching principle with air pressing type arc quenching principle.During separating brake, gas
Cylinder does relative motion to moving contact seat, compressed gas gas in the jar, while the high pressure that arc burning is produced(Heat energy)Cylinder is passed to, makes gas
Gas in the jar expands.The two is combined, and greatly increases inner pressure of air cylinder.When moving arcing contact pull-out polytetrafluoroethylene (PTFE) spout throat,
Form strong air-blowing and extinguish electric arc.This arc quenching principle can both reduce breaker operation work, improve mechanical life, turn avoid self energy
Formula arc-chutes cut-off blind area.
Brief description of the drawings
Fig. 1:For structural representation of the present utility model;
Fig. 2:For Fig. 1 cross-section structure structural representation.
In figure:1. polytetrafluoroethylene (PTFE) spout, 2. dynamic main contacs, 3. cylinders, 4. moving contact seats, 5. vacuum-latexed arm-ties,
Touched 6. watchband-shaped contactor, 7. moving contact seat lids, 8. moving arcing contacts, 9. teflon seal guide rings, 10. pull bars, 11. are moved
Seat leading-out terminal.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1-2, a kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact, including cylinder 3, gas
Cylinder 3 is processed and the ㎜ of wall thickness 3 by chromium-bronze, and the upper end of cylinder 3 is sequentially provided with polytetrafluoroethylene (PTFE) spout 1 and dynamic main tactile from top to bottom
First 2, its lower end is sequentially provided with moving contact seat 4 and vacuum-latexed arm-tie 5 from top to bottom, and vacuum-latexed arm-tie 5 is by vacuum thick 5 ㎜
Impregnation sheet material matter is processed, and the surface spraying of vacuum-latexed arm-tie 5 is exclusively used in the resistance to electric trace surface covering of sulfur hexafluoride arc-chutes
Paint;The described top and bottom of dynamic main contac 2 are threadedly coupled with polytetrafluoroethylene (PTFE) spout 1 and cylinder 3 respectively;In the cylinder 3
Air cavity in upper end be provided with moving arcing contact 8, and through the pull bar 10 of air cavity, the polytetrafluoroethylene (PTFE) spout 1, cylinder 3, vacuum
Impregnation arm-tie 5 and moving arcing contact 8 are connected as one jointly, and pull bar 10 is connected with dynamic main contac 2, are set between moving contact seat 4 and cylinder 3
There is watchband-shaped contactor 6, teflon seal guide ring 9 is provided between the moving contact seat 4 and cylinder 3 of the upper and lower side of watchband-shaped contactor 6, move and touch
Moving contact seat lid 7 is additionally provided with seat 4 and positioned at moving contact seat leading-out terminal 11, in use, pulling vacuum-latexed arm-tie 5 and then band is taken offence
Cylinder 3 moves up and down along moving contact seat 4,
The utility model pulls vacuum-latexed arm-tie 5 and then drives cylinder 3 along moving contact seat about 4 when specifically used
Motion, cylinder 3 does relative motion to moving contact seat 4, gas in compression cylinder 3, while the high pressure that arc burning is produced(Heat energy)Pass
To cylinder 3, make gas expansion in cylinder 3, the two combination greatly increases pressure in gas, 3;When moving arcing contact 8 pulls out polytetrafluoro
During ethene 1 throat of spout, form strong air-blowing and extinguish electric arc, this arc quenching principle can both reduce breaker operation work, improve machinery
Life-span, turn avoid self-energy arc-extinguishing chamber cut-offs blind area.
Claims (4)
1. a kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact, including cylinder(3), it is characterised in that:Institute
The cylinder stated(3)Upper end is sequentially provided with polytetrafluoroethylene (PTFE) spout from top to bottom(1)And dynamic main contac(2), its lower end is from top to bottom
It is sequentially provided with moving contact seat(4)With vacuum-latexed arm-tie(5);Described dynamic main contac(2)Top and bottom respectively with polytetrafluoroethyl-ne
Alkene spout(1)And cylinder(3)Threaded connection;The cylinder(3)Upper end is provided with moving arcing contact in interior air cavity(8), and pass through
The pull bar of air cavity(10), the polytetrafluoroethylene (PTFE) spout(1), cylinder(3), vacuum-latexed arm-tie(5)And moving arcing contact(8)Jointly
Connect as one, pull bar(10)With dynamic main contac(2)Connection, moving contact seat(4)With cylinder(3)Between be provided with watchband-shaped contactor(6), table
Band fingertip(6)The moving contact seat of upper and lower side(4)With cylinder(3)Between be provided with teflon seal guide ring(9), in use, drawing
Dynamic vacuum-latexed arm-tie(5)And then drive cylinder(3)Along moving contact seat(4)Move up and down.
2. a kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact as claimed in claim 1, its feature exists
In:Described moving contact seat(4)On be additionally provided with moving contact seat lid(7)And positioned at moving contact seat leading-out terminal(11).
3. a kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact as claimed in claim 1, its feature exists
In:Described vacuum-latexed arm-tie(5)It is to be processed by the thick vacuum-latexed sheet material matter of 5 ㎜, vacuum-latexed arm-tie(5)Surface
Spraying is exclusively used in the resistance to electric trace surface coating varnish of sulfur hexafluoride arc-chutes.
4. a kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact as claimed in claim 1, its feature exists
In:Described cylinder(3)Processed by chromium-bronze, its wall thickness 3 ㎜.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621437074.2U CN206401229U (en) | 2016-12-26 | 2016-12-26 | A kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621437074.2U CN206401229U (en) | 2016-12-26 | 2016-12-26 | A kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206401229U true CN206401229U (en) | 2017-08-11 |
Family
ID=59511780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621437074.2U Expired - Fee Related CN206401229U (en) | 2016-12-26 | 2016-12-26 | A kind of new 40.5kV SF 6 arc-extinguishing chamber of circuit breaker cylinder moving contact |
Country Status (1)
Country | Link |
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CN (1) | CN206401229U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113223890A (en) * | 2021-04-19 | 2021-08-06 | 山东泰开高压开关有限公司 | High-voltage switch breaker |
CN114420517A (en) * | 2022-03-31 | 2022-04-29 | 晟望电气有限公司 | Sulfur hexafluoride gas insulation switch |
-
2016
- 2016-12-26 CN CN201621437074.2U patent/CN206401229U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113223890A (en) * | 2021-04-19 | 2021-08-06 | 山东泰开高压开关有限公司 | High-voltage switch breaker |
CN114420517A (en) * | 2022-03-31 | 2022-04-29 | 晟望电气有限公司 | Sulfur hexafluoride gas insulation switch |
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Legal Events
Date | Code | Title | Description |
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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: 20170811 |