CN104269319B - A kind of chopper with anti-torsion vacuum interrupter - Google Patents
A kind of chopper with anti-torsion vacuum interrupter Download PDFInfo
- Publication number
- CN104269319B CN104269319B CN201410546420.XA CN201410546420A CN104269319B CN 104269319 B CN104269319 B CN 104269319B CN 201410546420 A CN201410546420 A CN 201410546420A CN 104269319 B CN104269319 B CN 104269319B
- Authority
- CN
- China
- Prior art keywords
- torsion
- fairlead
- draw
- 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.)
- Active
Links
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 230000013011 mating Effects 0.000 claims abstract description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 239000011651 chromium Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910001000 nickel titanium Inorganic materials 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 10
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
- 230000000171 quenching effect Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 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
- H01H33/66238—Specific bellows details
-
- 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
- H01H33/6642—Contacts; Arc-extinguishing means, e.g. arcing rings having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil
-
- 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
- H01H33/66238—Specific bellows details
- H01H2033/66253—Details relating to the prevention of unwanted rotation of the contact rod in vacuum switch bellows
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a kind of chopper with anti-torsion vacuum interrupter, including an anti-torsion vacuum interrupter, the fairlead that anti-torsion vacuum interrupter uses is anti-torsion fairlead, anti-torsion fairlead internal sleeve is equipped with mating the moving conductive rod used with anti-torsion fairlead, the side that anti-torsion fairlead contacts with moving conductive rod is uniformly provided with the draw-in groove of several isosceles trapezoid shape vertically, the shorter base of the draw-in groove length of side of isosceles trapezoid shape is positioned at the inwall of anti-torsion fairlead, and the longer base of the draw-in groove length of side of isosceles trapezoid shape is between anti-torsion fairlead inwall and outer wall；The outer wall of anti-torsion fairlead is circumferentially uniformly provided with several hole clippings being not turned on, and anti-torsion fairlead is connected with moved end cover plate, and moved end cover plate is provided with several through holes mating use with described hole clipping one by one；Static contact and moving contact are cup-shaped and indulge magnetic structure；Corrugated tube is chromium Nitinol material, and the joint number of corrugated tube is 25 joints.Its simple in construction is easily achieved, and chopper is long for service life, and the quenching time is short.
Description
Technical field
This utility model relates to a kind of electrical equipment, particularly relates to a kind of chopper with anti-torsion vacuum interrupter.
Background technology
Chopper refers to close, carry and cut-off the electric current under normal loop condition the switching device of electric current that can close, carry within the time of regulation and cut-off under abnormal loop condition.Vacuum interrupter is the important component part of chopper, and the vacuum interrupter that current most of choppers are used does not has anti-twisting equipment, which results in problems with.
1, corrugated tube is relatively thin, and corrugated tube is connected with moving conductive rod, and once moving conductive rod generation twisting can directly result in corrugated tube twisting and even ruptures, thus has had a strong impact on the life-span of vacuum interrupter.
2, moving conductive rod does the i.e. moving conductive rod axle center of translational motion along vertical with direction of motion plane and there occurs movement, and this will cause moving conductive rod discontinuity to cause corrugated tube to deform even rupturing.
3, fairlead is in use connected with moved end cover plate, and does not arrange anti-wrench device between moved end cover plate and fairlead.
4, moved end cover plate wall is relatively thin, can not effectively prevent from twisting therebetween with being connected according to cutting ferrule between moving conductive rod, and cutting ferrule connection difficulty of processing is bigger.
5, the service life of corrugated tube is short.
Problem above all can cause the of short duration of vacuum interrupter service life, and the effect that vacuum interrupter is in whole chopper is even more important, and vacuum interrupter once goes wrong and will result directly in the interruption of whole chopper work.
The content of utility model
In order to solve above-mentioned technical problem, the utility model proposes a kind of chopper with anti-torsion vacuum interrupter, effectively avoid the twisting of moving conductive rod and the movement in axle center, avoid corrugated tube therefore to rupture, thus ensure that the service life of vacuum interrupter, it is ensured that the service life of whole chopper.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of chopper with anti-torsion vacuum interrupter, including an anti-torsion vacuum interrupter, described anti-torsion vacuum interrupter includes insulation crust, described insulation crust is respectively arranged at two ends with quiet end casing and moved end cover plate up and down, and described insulation crust, quiet end casing form a confined space with moved end cover plate；Described confined space includes the corrugated tube that the static contact being connected with quiet end casing is connected and the moving contact being connected with corrugated tube with moved end cover plate；It is characterized in that, anti-torsion fairlead it is provided with between described corrugated tube and moved end cover plate, described anti-torsion fairlead internal sleeve is equipped with mating the moving conductive rod used with anti-torsion fairlead, the side that described anti-torsion fairlead contacts with moving conductive rod is uniformly provided with the draw-in groove of several isosceles trapezoid shape vertically, the shorter base of the draw-in groove length of side of described isosceles trapezoid shape is positioned at the inwall of anti-torsion fairlead, and the longer base of the draw-in groove length of side of described isosceles trapezoid shape is between anti-torsion fairlead inwall and outer wall；The outer wall of described anti-torsion fairlead is circumferentially uniformly provided with several hole clippings being not turned on, and described anti-torsion fairlead is connected with moved end cover plate, and described moved end cover plate is provided with several through holes mating use with described hole clipping one by one；Described static contact and moving contact are cup-shaped and indulge magnetic structure；Described corrugated tube is chromium Nitinol material, and the joint number of described corrugated tube is 25 joints.
The draw-in groove of described waist trapezoidal shape is axially through whole fairlead.
The draw-in groove number of described isosceles trapezoid shape is preferably 4.
The number of described hole clipping is preferably 4.
Angle between base and waist that the draw-in groove length of side of described isosceles trapezoid shape is longer is 45 °-60 °.
Vertical seal structure or flat seal structure, solder a diameter of 0.4mm is used during described bellows-welding.
The beneficial effects of the utility model are:
1, it is effectively prevented in moving conductive rod motor process and twists；
2, it is effectively prevented moving conductive rod axle center to be moved；
3, it is effectively prevented between fairlead and moved end cover plate and twists；
4, processing technology is simple, installs simple, low cost；
5, corrugated tube uses the chromium Nitinol material that impact resistant capability is strong, and joint number uses 25 joints, adds the service life of corrugated tube；
6, dynamic/static contact uses cup-shaped to indulge magnetic structure, makes electric arc be distributed in contact surface uniformly, thus improves the arc extinction performance of vacuum interrupter.
Accompanying drawing explanation
The structural representation of Fig. 1 anti-torsion vacuum interrupter；
Fig. 2 guide sleeve structure schematic diagram；
Fig. 3 moved end covering plate structure profile；
Fig. 4 moving conductive rod structure top view.
Wherein, 1, insulation crust；2, quiet end casing；3, moved end cover plate；4, static contact；5, moving contact；6, anti-torsion fairlead；7, moving conductive rod；8, corrugated tube；9, the draw-in groove of isosceles trapezoid shape；10, the base that the draw-in groove of isosceles trapezoid shape is longer；11, fairlead inwall；12, fairlead outer wall；13, hole clipping；14, through hole.
Detailed description of the invention
In order to be better understood from the technical solution of the utility model, below in conjunction with the accompanying drawings the technical solution of the utility model is described further.
As Figure 1-4, a kind of chopper with anti-torsion vacuum interrupter, including an anti-torsion vacuum interrupter, anti-torsion vacuum interrupter includes insulation crust 1, insulation crust is respectively arranged at two ends with quiet end casing 2 and moved end cover plate 3 up and down, and insulation crust, quiet end casing form a confined space with moved end cover plate；Confined space includes the corrugated tube 8 that the static contact 4 being connected with quiet end casing is connected and the moving contact 5 being connected with corrugated tube with moved end cover plate；Anti-torsion fairlead 6 it is provided with between corrugated tube and moved end cover plate, anti-torsion fairlead internal sleeve is equipped with mating the moving conductive rod 7 used with anti-torsion fairlead, the side that anti-torsion fairlead 6 contacts with moving conductive rod 7 is uniformly provided with the draw-in groove 9 of several isosceles trapezoid shape vertically, the shorter base of draw-in groove 9 length of side of isosceles trapezoid shape is positioned at the inwall 11 of anti-torsion fairlead, and the longer base 10 of the draw-in groove length of side of isosceles trapezoid shape is between anti-torsion fairlead inwall 11 and outer wall 12；The outer wall of anti-torsion fairlead 6 is circumferentially uniformly provided with several hole clippings 13 being not turned on, and anti-torsion fairlead 6 is connected with moved end cover plate 3, and moved end cover plate is provided with several through holes 14 mating use with described hole clipping one by one.
Static contact and moving contact are cup-shaped and indulge magnetic structure；Electric arc is made to be evenly distributed in contact surface.
Corrugated tube is chromium Nitinol material, the joint number of corrugated tube is 25 joints, the material of corrugated tube has close relationship with joint number and its service life, uses the chromium Nitinol that impact resistance power is strong, the joint number of corrugated tube is set to 25 joints simultaneously and can be effectively increased the service life of corrugated tube.
The draw-in groove of waist trapezoidal shape is axially through whole fairlead, it is ensured that the proper motion of moving conductive rod, effectively prevent the twisting of moving conductive rod and the movement in axle center simultaneously.
The draw-in groove number of isosceles trapezoid shape is preferably 4, it is ensured that the uniform force of moving conductive rod.
The number of hole clipping is preferably 4, effectively secures and twisting phenomenon occurs between anti-torsion fairlead and moved end cover plate.
Angle between base and waist that the draw-in groove length of side of isosceles trapezoid shape is longer is 45 °-60 °.Because practice have shown that the torque forces suffered by moving conductive rod significantly greater than causes the power on the moving direction of axle center, the angle just having this scope can make the torque forces suffered by fairlead realize a preferable balance with the power causing axle center to be moved, and final realization can prevent the twisting of moving conductive rod from the axle center of moving conductive rod can be prevented again to be moved.
The welding of corrugated tube uses vertical seal structure or flat seal structure, and in order to increase service life and the matching performance of corrugated tube, solder diameter uses the solder of 0.4mm.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not to pay various amendments or deformation that creative work can make still within protection domain of the present utility model.
Claims (3)
1. the chopper with anti-torsion vacuum interrupter, it is characterized in that, including an anti-torsion vacuum interrupter, described anti-torsion vacuum interrupter includes insulation crust, described insulation crust is respectively arranged at two ends with quiet end casing and moved end cover plate up and down, and described insulation crust, quiet end casing form a confined space with moved end cover plate；Described confined space includes the corrugated tube that the static contact being connected with quiet end casing is connected and the moving contact being connected with corrugated tube with moved end cover plate；Anti-torsion fairlead it is provided with between described corrugated tube and moved end cover plate, described anti-torsion fairlead internal sleeve is equipped with mating the moving conductive rod used with anti-torsion fairlead, the side that described anti-torsion fairlead contacts with moving conductive rod is uniformly provided with the draw-in groove of several isosceles trapezoid shape vertically, the shorter base of the draw-in groove length of side of described isosceles trapezoid shape is positioned at the inwall of anti-torsion fairlead, and the longer base of the draw-in groove length of side of described isosceles trapezoid shape is between anti-torsion fairlead inwall and outer wall；The outer wall of described anti-torsion fairlead is circumferentially uniformly provided with several hole clippings being not turned on, and described anti-torsion fairlead is connected with moved end cover plate, and described moved end cover plate is provided with several through holes mating use with described hole clipping one by one；Described static contact and moving contact are cup-shaped and indulge magnetic structure；Described corrugated tube is chromium Nitinol material, and the joint number of described corrugated tube is 25 joints；The draw-in groove of described isosceles trapezoid shape is axially through whole fairlead；The draw-in groove number of described isosceles trapezoid shape is preferably 4；The number of described hole clipping is 4.
A kind of chopper with anti-torsion vacuum interrupter, is characterized in that, the angle between base and waist that the draw-in groove length of side of described isosceles trapezoid shape is longer is 45 °-60 °.
A kind of chopper with anti-torsion vacuum interrupter, is characterized in that, uses vertical seal structure or flat seal structure, solder a diameter of 0.4mm during described bellows-welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410546420.XA CN104269319B (en) | 2014-10-15 | 2014-10-15 | A kind of chopper with anti-torsion vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410546420.XA CN104269319B (en) | 2014-10-15 | 2014-10-15 | A kind of chopper with anti-torsion vacuum interrupter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104269319A CN104269319A (en) | 2015-01-07 |
| CN104269319B true CN104269319B (en) | 2016-12-07 |
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ID=52160831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410546420.XA Active CN104269319B (en) | 2014-10-15 | 2014-10-15 | A kind of chopper with anti-torsion vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104269319B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111837304B (en) * | 2018-03-14 | 2021-12-31 | 三菱电机株式会社 | Gas insulated switchgear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5597993A (en) * | 1992-11-10 | 1997-01-28 | Mitsubishi Denki Kabushiki Kaisha | Vacuum interrupter |
| CN200944371Y (en) * | 2006-07-07 | 2007-09-05 | 耐吉科技股份有限公司 | Double-lift vacuum extinction chamber |
| CN201478154U (en) * | 2009-08-17 | 2010-05-19 | 成都凯赛尔电子有限公司 | Novel torsion-resistant guide sleeve |
| CN203871262U (en) * | 2014-04-29 | 2014-10-08 | 昆山达功电子有限公司 | Vacuum switch pipe |
| CN204144149U (en) * | 2014-10-15 | 2015-02-04 | 山东恒瑞德电力设备有限公司 | A kind of with the anti-circuit breaker turning round vacuum interrupter |
-
2014
- 2014-10-15 CN CN201410546420.XA patent/CN104269319B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5597993A (en) * | 1992-11-10 | 1997-01-28 | Mitsubishi Denki Kabushiki Kaisha | Vacuum interrupter |
| CN200944371Y (en) * | 2006-07-07 | 2007-09-05 | 耐吉科技股份有限公司 | Double-lift vacuum extinction chamber |
| CN201478154U (en) * | 2009-08-17 | 2010-05-19 | 成都凯赛尔电子有限公司 | Novel torsion-resistant guide sleeve |
| CN203871262U (en) * | 2014-04-29 | 2014-10-08 | 昆山达功电子有限公司 | Vacuum switch pipe |
| CN204144149U (en) * | 2014-10-15 | 2015-02-04 | 山东恒瑞德电力设备有限公司 | A kind of with the anti-circuit breaker turning round vacuum interrupter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104269319A (en) | 2015-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Jie Inventor after: Li Hongjian Inventor after: Luo Tianyu Inventor after: Li Yongling Inventor after: He Jinhui Inventor after: Li Lingjing Inventor after: Wang Shuai Inventor after: Xu Ling Inventor after: Shao Qixiang Inventor after: Xu Jianwei Inventor after: Ma Chao Inventor before: Zhao Hailing Inventor before: Li Tingzheng Inventor before: Liu Jian |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161114 Address after: 317000, Lucheng Road, Taizhou, Zhejiang, 250 Applicant after: STATE GRID ZHEJIANG LINHAI POWER SUPPLY CO., LTD. Applicant after: Zhejiang Yao Ming Power Equipment Co., Ltd. Applicant after: Taizhou Power Supply Company of State Grid Zhejiang Electric Power Company Applicant after: State Grid Corporation of China Address before: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza Building 1 (B5) B1 zone 18 Applicant before: SHANDONG HENGRUIDE ELECTRIC POWER EQUIPMENT CO., LTD. |