CN101807488A - Three-position device of vacuum interrupter - Google Patents
Three-position device of vacuum interrupter Download PDFInfo
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- CN101807488A CN101807488A CN 201010151885 CN201010151885A CN101807488A CN 101807488 A CN101807488 A CN 101807488A CN 201010151885 CN201010151885 CN 201010151885 CN 201010151885 A CN201010151885 A CN 201010151885A CN 101807488 A CN101807488 A CN 101807488A
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- contact
- moving
- vacuum interrupter
- grounding
- static
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Abstract
The invention discloses a three-position device of a vacuum interrupter, which is mainly applied to medium-voltage electric power switch equipment, and comprises a static contact, a static end conductive rod, a moving contact and a moving end conductive rod; the static contact is arranged on the lower end of the static end conductive rod, the moving contact is arranged below the static contact, wherein the moving contact comprises a moving grounding contact and a moving isolation contact; the moving isolation contact is arranged above the moving grounding contact, and the moving grounding contact is welded on the upper end of the moving end conductive rod; and the device also comprises a static grounding contact which is arranged under the moving contact, and the moving end conductive rod passes through the center of the static grounding contact. The three-position device of the vacuum interrupter realizes the conversion of closing and isolation functions through the static contact and the moving isolation contact, realizes the conversion of isolation and grounding functions through the moving grounding contact and the moving grounding contact, and has simple structure and low cost.
Description
Technical field
The present invention relates to a kind of vacuum interrupter, refer to a kind of three-position apparatus of vacuum interrupter especially.
Background technology
Existing vacuum interrupter mostly is two stations, two station apparatus structure schematic diagrames of existing vacuum interrupter as shown in Figure 1, comprise fixed contact 1 ', quiet end conducting rod 2 ', moving contact 3 ' and moved end conducting rod 4 ', fixed contact 1 ' is welded in the lower end of quiet end conducting rod 2 ', moving contact 3 ' is welded in moved end conducting rod 4 ' upper end, moving contact 3 ' is positioned at fixed contact 1 ' below, this two stations device is arranged at vacuum interrupter insulation crust inner chamber, two station devices of this vacuum interrupter can only be realized closing a floodgate and the conversion of isolation features, promptly when fixed contact 1 ' contacts with moving contact 3 ', realize closing function, when separating with moving contact 3 ', realizes fixed contact 1 ' isolation features, if realize that three stations promptly close a floodgate, isolation and grounding function conversion need realize so not only complex structure but also cost increase by two cover operating mechanisms with two covers, two station devices.
Summary of the invention
The object of the present invention is to provide a kind of three-position apparatus of vacuum interrupter, it is simple in structure and cost is low.
To achieve these goals, technical solution of the present invention is: a kind of three-position apparatus of vacuum interrupter, comprise fixed contact, quiet end conducting rod, moving contact and moved end conducting rod, described fixed contact is located at the lower end of quiet end conducting rod, moving contact is positioned at the fixed contact below, wherein said moving contact comprises moving grounding contact and moving insulating contact, described moving insulating contact is arranged at moving grounding contact top, described moving grounding contact is welded in conducting rod upper end, moved end, this device also comprises the static ground contact, it is positioned at below the moving contact, and described moved end conducting rod passes the static ground contact center.
The three-position apparatus of vacuum interrupter of the present invention is welded with first copper sheet between wherein said fixed contact and the quiet end conducting rod.
The three-position apparatus of vacuum interrupter of the present invention, wherein said static ground contact is an annulus.
The three-position apparatus of vacuum interrupter of the present invention welds together by second copper sheet between wherein said moving insulating contact and the moving grounding contact.
The three-position apparatus of vacuum interrupter of the present invention, wherein said fixed contact and moving insulating contact are made by copper-tungsten, and described static ground contact and moving grounding contact are made by chromiumcopper.
After adopting such scheme, the three-position apparatus of vacuum interrupter of the present invention constitutes first sets of contacts by fixed contact with better resistance to elevated temperatures and moving insulating contact, the contact of fixed contact and moving insulating contact and the separating conversion with isolation features that realizes closing a floodgate, and moving grounding contact and static ground contact with better electric conductivity constitute second sets of contacts, the contact of static ground contact and moving grounding contact with separate the conversion that is grounded with isolation features, this three-position apparatus is simple in structure and cost is low.
Description of drawings
Fig. 1 is two station apparatus structure schematic diagrames of existing vacuum interrupter;
Fig. 2 is the three-position apparatus structural representation of vacuum interrupter of the present invention;
Fig. 3 is three station schematic diagram cutaway views of the three-position apparatus of vacuum interrupter of the present invention.
Below in conjunction with accompanying drawing, the present invention is described further by embodiment;
Embodiment
See also the three-position apparatus structural representation of vacuum interrupter of the present invention shown in Figure 2, the static ground contact 7 that comprises fixed contact 1, first copper sheet 8, quiet end conducting rod 2, moving contact 3, moved end conducting rod 4 and annular, moving contact 3 is positioned at fixed contact 1 below, moving contact 3 comprises moving grounding contact 5 and moving insulating contact 6, moving insulating contact 6 is arranged at moving grounding contact 5 tops, welds together by second copper sheet 9 between moving insulating contact 6 and the moving grounding contact 5.
Fixed contact 1 is located at the lower end of quiet end conducting rod 2, welds together by first copper sheet 8 between fixed contact 1 and the quiet end conducting rod 2, and moving grounding contact 5 is welded in moved end conducting rod 4 upper ends, and moved end conducting rod 4 passes static ground contact 7 centers.
Fixed contact 1 and moving insulating contact 6 are made by the copper-tungsten with better resistance to elevated temperatures, and static ground contact 7 and moving grounding contact 5 are made by the chromiumcopper with better electric conductivity.
In the use, static ground contact 7 is arranged at the dead earth ring upper surface on the vacuum interrupter insulation crust.Static ground contact 7 is positioned at below the moving contact 3.
In conjunction with shown in Figure 3, when the three-position apparatus of vacuum interrupter of the present invention moves, moved end conducting rod 4 moves upward, driving moving grounding contact 5 moves upward with moving insulating contact 6, when the moving insulating contact 6 with better resistance to elevated temperatures contacts with fixed contact 1 when promptly arriving the Y1 position, realize closing function, when moved end conducting rod 4 moves downward, this moment, moving insulating contact 6 separated when promptly arriving the Y2 position with fixed contact 1, realized isolation features, when moved end conducting rod 4 continues to move downward, the moving grounding contact 5 that drive has better electric conductivity contacts when promptly arriving the Y3 position with static ground contact 7, be grounded function, the three-position apparatus of this vacuum interrupter constitutes the conversion that first sets of contacts realizes combined floodgate and isolation features by fixed contact 1 and moving insulating contact 6, constitute the conversion that second sets of contacts realizes isolation and grounding function by static ground contact 7 and moving grounding contact 5, its cost simple in structure is low.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (5)
1. the three-position apparatus of a vacuum interrupter, comprise fixed contact (1), quiet end conducting rod (2), moving contact (3) and moved end conducting rod (4), described fixed contact (1) is located at the lower end of quiet end conducting rod (2), moving contact (3) is positioned at fixed contact (1) below, it is characterized in that: described moving contact (3) comprises moving grounding contact (5) and moving insulating contact (6), described moving insulating contact (6) is arranged at moving grounding contact (5) top, described moving grounding contact (5) is welded in moved end conducting rod (4) upper end, this device also comprises static ground contact (7), it is positioned at below the moving contact (3), and described moved end conducting rod (4) passes static ground contact (7) center.
2. the three-position apparatus of vacuum interrupter as claimed in claim 1 is characterized in that: be welded with first copper sheet (8) between described fixed contact (1) and the quiet end conducting rod (2).
3. the three-position apparatus of vacuum interrupter as claimed in claim 2, it is characterized in that: described static ground contact (7) is an annulus.
4. the three-position apparatus of vacuum interrupter as claimed in claim 3 is characterized in that: weld together by second copper sheet (9) between described moving insulating contact (6) and the moving grounding contact (5).
5. the three-position apparatus of vacuum interrupter as claimed in claim 4, it is characterized in that: described fixed contact (1) and moving insulating contact (6) are made by copper-tungsten, and described static ground contact (7) and moving grounding contact (5) are made by chromiumcopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010151885 CN101807488A (en) | 2010-04-21 | 2010-04-21 | Three-position device of vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010151885 CN101807488A (en) | 2010-04-21 | 2010-04-21 | Three-position device of vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101807488A true CN101807488A (en) | 2010-08-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010151885 Pending CN101807488A (en) | 2010-04-21 | 2010-04-21 | Three-position device of vacuum interrupter |
Country Status (1)
| Country | Link |
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| CN (1) | CN101807488A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364821A (en) * | 2018-02-07 | 2018-08-03 | 西安交通大学 | A kind of novel transverse magnetic field contact for vacuum switch structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2060864A5 (en) * | 1970-07-01 | 1971-06-18 | Inst Prueffeld Elekt | |
| CN1416586A (en) * | 2000-06-23 | 2003-05-07 | 西门子公司 | Vacuum interrupter with two contact sysems |
| JP2004356109A (en) * | 2004-09-17 | 2004-12-16 | Toshiba Corp | Vacuum switching device |
| CN1776855A (en) * | 2004-11-15 | 2006-05-24 | 株式会社日立制作所 | Electrode, electrical contact and method of manufacturing the same |
| CN1914704A (en) * | 2003-12-19 | 2007-02-14 | Abb技术股份公司 | Medium voltage switchgear assembly |
| EP2075817A1 (en) * | 2007-12-27 | 2009-07-01 | Ormazabal Y Cia., S.A. | Actuation transmission system for electrical equipment |
| CN101572194A (en) * | 2009-05-14 | 2009-11-04 | 刘爱芬 | Profiled high conductivity copper-tungsten electrical contact material and processing technique thereof |
-
2010
- 2010-04-21 CN CN 201010151885 patent/CN101807488A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2060864A5 (en) * | 1970-07-01 | 1971-06-18 | Inst Prueffeld Elekt | |
| CN1416586A (en) * | 2000-06-23 | 2003-05-07 | 西门子公司 | Vacuum interrupter with two contact sysems |
| CN1914704A (en) * | 2003-12-19 | 2007-02-14 | Abb技术股份公司 | Medium voltage switchgear assembly |
| JP2004356109A (en) * | 2004-09-17 | 2004-12-16 | Toshiba Corp | Vacuum switching device |
| CN1776855A (en) * | 2004-11-15 | 2006-05-24 | 株式会社日立制作所 | Electrode, electrical contact and method of manufacturing the same |
| EP2075817A1 (en) * | 2007-12-27 | 2009-07-01 | Ormazabal Y Cia., S.A. | Actuation transmission system for electrical equipment |
| CN101572194A (en) * | 2009-05-14 | 2009-11-04 | 刘爱芬 | Profiled high conductivity copper-tungsten electrical contact material and processing technique thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364821A (en) * | 2018-02-07 | 2018-08-03 | 西安交通大学 | A kind of novel transverse magnetic field contact for vacuum switch structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100818 |