CN2447928Y - Solid insulated vacuum circuit breaker - Google Patents
Solid insulated vacuum circuit breaker Download PDFInfo
- Publication number
- CN2447928Y CN2447928Y CN 00246087 CN00246087U CN2447928Y CN 2447928 Y CN2447928 Y CN 2447928Y CN 00246087 CN00246087 CN 00246087 CN 00246087 U CN00246087 U CN 00246087U CN 2447928 Y CN2447928 Y CN 2447928Y
- Authority
- CN
- China
- Prior art keywords
- vacuum interrupter
- outlet arm
- extinguishing chamber
- vacuum
- vacuum 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a solid insulated vacuum circuit breaker. An upper outlet arm is connected with the staic end of the vacuum arc-extinguishing chamber; a sealing cover is sheathed on a movable conductiver rod of the vacuum arc-extinguishing chamber; the other end of the vacuum arc-extinguishing chamber is inserted into a groove of an outlet arm; a conductive clamp and a flexible joint are fastened on the movable conductive rod of the vacuum arc-extinguishing chamber; the other end of the flexible joint is welded on one side of the lower outlet arm; the flexible joint and the lower outlet arm are integrally poured in epoxy resin insulating material; an insulating drawing rod is twisted on the movable conductive rod of the vacuum arc-extinguishing chamber. The utility model has the advantages that the volumes of the vacuum circuit breaker and a matched switch cabinet can be reduced, the height of an insulating casing of the vacuum arc-extinguishing chamber and creepage distance of the surface can be reduced, and the cost is lower.
Description
The utility model relates to a kind of novel solid insulation vacuum circuit-breaker, belong to the technical field of high voltage switchgear.
The existing vacuum circuit-breaker majority that is applied in the 3.6kV-40.5kV three-phase ac power system is as dielectric with air, for guarantee between current carrying part and the current carrying part (abbreviation phase and phase) or current carrying part and grounded part (abbreviation phase and ground) between not by voltage breakdown, must guarantee enough air insulation distances, vacuum interrupter is exposed in the air simultaneously.Under electric field action, dust is easily gathered on vacuum interrupter insulation crust surface, and the variation of ambient temperature and humidity easily produces condensation on vacuum interrupter insulation crust surface, for avoiding dust and condensation adverse effect to vacuum circuit-breaker insulation, must guarantee the vacuum interrupter insulation crust have enough height and case surface along the face creepage distance.The increase of switch cubicle volume and the vacuum interrupter volume that certainly will cause vacuum circuit-breaker like this and be joined are also bigger, and cost is higher.
The purpose of this utility model is the defective at above-mentioned existence, proposes a kind of sealing, also can guarantee that the vacuum interrupter insulation crust has the little along the face creepage distance of enough height and case surface, the novel solid insulation vacuum circuit-breaker that cost is low.
Technical solution of the present utility model:
Last outlet arm is fastened on the quiet end of vacuum interrupter by screw, one end of seal bootr (3) is enclosed within on the moving conductive rod of vacuum interrupter, die cavity sealing process when playing the cast of moving conductive rod motion guide and solid insulating material, the other end inserts in the groove of following outlet arm, one end of conductive clip and soft connection is fastened on the moving conductive rod of vacuum interrupter by screw, the other end of soft connection is welded in down the side of outlet arm, above-mentioned parts are integrated poured in epoxy resin insulation material, form with the mould direct forming.One end of insulated tension pole is screwed in by screw thread on the moving conductive rod of vacuum interrupter, and its other end is connected with operating mechanism, as the operating parts of circuit breaker.The current carrying part of forming a complete vacuum circuit-breaker by last outlet arm, vacuum interrupter, conductive clip, soft connection, following outlet arm.
Advantage of the present utility model:
Because adopt epoxy resin as dielectric, between current carrying part and the current carrying part or the distance between current carrying part and the grounded part can be contracted to 30-50mm, can dwindle greatly like this vacuum circuit-breaker and join the volume of switch cubicle, last outlet arm, the current carrying part of compositions such as vacuum interrupter and following outlet arm is sealed fully by epoxy resin.Dust and ambient temperature and humidity are overcome fully to the influence of vacuum interrupter.And the height of vacuum interrupter insulation crust and can dwindle greatly along the face creepage distance reduces the cost of vacuum interrupter.
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is that conductive clip 4 and soft connection 5 are fastened on the structural representation on the moving conductive rod of vacuum interrupter 2.
Further describe the technical solution of circuit breaker below in conjunction with accompanying drawing:
The course of work of circuit breaker is as follows:
Operating mechanism drive insulated tension pole moves upward during combined floodgate, and the moving conductive rod that promotes vacuum interrupter moves upward, and makes vacuum interrupter moving, and fixed contact is combined closely.Insulated tension pole continues to move upward with the touch spring compression, is the separating brake storage power; Touch spring discharges during separating brake, and insulated tension pole spurs vacuum interrupter under the effect of operating mechanism moving conductive rod moves downward, and vacuum interrupter is moving, and fixed contact separately.
Claims (1)
1, the solid isolated vacuum circuit breaker, it is characterized in that outlet arm (1) can be connected with vacuum interrupter (2) by the mistake screw, seal bootr (3) one ends are enclosed within on the moving conductive rod of vacuum interrupter (2), the other end inserts in the groove of following outlet arm (6), conductive clip (4) and soft connection (5) one ends by bolted on the moving conductive rod of vacuum interrupter (2), the other end of soft connection (5) is welded in down the side of outlet arm (6), above-mentioned parts are integrated poured in epoxy resin insulation material (8), insulated tension pole (7) one ends are screwed in by screw thread on the moving conductive rod of vacuum interrupter (2), and the other end connects operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00246087 CN2447928Y (en) | 2000-08-09 | 2000-08-09 | Solid insulated vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00246087 CN2447928Y (en) | 2000-08-09 | 2000-08-09 | Solid insulated vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2447928Y true CN2447928Y (en) | 2001-09-12 |
Family
ID=33605429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00246087 Expired - Fee Related CN2447928Y (en) | 2000-08-09 | 2000-08-09 | Solid insulated vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2447928Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355234B (en) * | 2007-07-24 | 2010-12-08 | 沈阳昊诚电气有限公司 | Epoxy pouring solid insulation switch |
| US8477503B2 (en) | 2010-01-05 | 2013-07-02 | Shanghai Guangdian Electric Group Co., Ltd. | Switch cabinet connection and combination apparatus and method of manufacturing the same |
-
2000
- 2000-08-09 CN CN 00246087 patent/CN2447928Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355234B (en) * | 2007-07-24 | 2010-12-08 | 沈阳昊诚电气有限公司 | Epoxy pouring solid insulation switch |
| US8477503B2 (en) | 2010-01-05 | 2013-07-02 | Shanghai Guangdian Electric Group Co., Ltd. | Switch cabinet connection and combination apparatus and method of manufacturing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Tong Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |