CN204332811U - Solid insulation high-pressure vacuum breaker - Google Patents
Solid insulation high-pressure vacuum breaker Download PDFInfo
- Publication number
- CN204332811U CN204332811U CN201520018846.8U CN201520018846U CN204332811U CN 204332811 U CN204332811 U CN 204332811U CN 201520018846 U CN201520018846 U CN 201520018846U CN 204332811 U CN204332811 U CN 204332811U
- Authority
- CN
- China
- Prior art keywords
- epoxy resin
- outgoing arm
- sealing body
- resin sealing
- lower line
- 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 kind of solid insulation high-pressure vacuum breaker, comprises vacuum interrupter, operating mechanism, the indoor installation fixed contact of vacuum extinction and moving contact, and fixed contact is connected with upper line-outgoing arm; Mainly vacuum interrupter and upper line-outgoing arm are fixedly encapsulated in epoxy resin sealing body, and operating mechanism and lower line-outgoing arm are fixedly encapsulated in epoxy resin sealing body by installing rack; Moving contact is fixedly connected with one end of insulated tension pole by moving conductive rod, and the other end of insulated tension pole is connected with the lever of operating mechanism; Moving conductive rod is connected with lower line-outgoing arm by flexible link.The vacuum interrupter of its vacuum circuit-breaker, operating mechanism, upper line-outgoing arm, lower line-outgoing arm overall package, at epoxy resin sealing body, have good insulation preformance, non-maintaining, volume is little.Be applicable to the Control protection equipment in 12KV/50Hz three-phase alternating current high voltage distribution network.
Description
Technical field
The utility model relates to power switchgear, particularly about a kind of high-pressure vacuum breaker.The utility model is applicable to the Control protection equipment in 12KV/50Hz three-phase alternating current high voltage distribution network.
Background technology
At present, be used in the vacuum circuit-breaker of three-phase alternating current high-voltage electric power system, main employing air insulation circuit breaker and compound inslation circuit breaker.The vacuum interrupter of air insulation circuit breaker is in atmosphere exposed, by air insulation; The insulation mode of compound inslation circuit breaker is fixed on by vacuum interrupter inside epoxy resins insulation shielding cylinder, has certain gap between insulating shield cylinder and vacuum interrupter, and phase insulation is by insulating shield cylinder and air double insulation.Major defect is: owing to there is gap between vacuum interrupter and insulating shield cylinder, of long duration dunghill can be piled up, when using under serious pollution environment especially, between vacuum interrupter and insulating shield cylinder, dunghill is piled up more, greatly can reduce the insulation level of circuit breaker, so, need periodic cleaning dunghill in use procedure, safeguard and comparatively bother, and volume is larger.
Summary of the invention
The purpose of this utility model is the shortcoming existed for prior art, provides a kind of good insulation preformance, non-maintaining, the solid insulation high-pressure vacuum breaker that volume is little.
The technical solution of the utility model comprises vacuum interrupter, operating mechanism, the indoor installation fixed contact of vacuum extinction and moving contact, and fixed contact is connected with upper line-outgoing arm; Mainly vacuum interrupter and upper line-outgoing arm are fixedly encapsulated in epoxy resin sealing body, and operating mechanism and lower line-outgoing arm are fixedly encapsulated in epoxy resin sealing body by installing rack; Moving contact is fixedly connected with one end of insulated tension pole by moving conductive rod, and the other end of insulated tension pole is connected with the lever of operating mechanism; Moving conductive rod is connected with lower line-outgoing arm by flexible link.
In above technical scheme, lower line-outgoing arm is connected with flexible link by isolating switch, one end of isolating switch is fixedly connected with screw by connecting bend with between lower line-outgoing arm, the other end of isolating switch is connected with flexible link, and lower line-outgoing arm is arranged in the installing hole of epoxy resin sealing body bottom surface by the sealing of epoxy resin installation sleeve; Installing ring epoxy resins sealing ring between epoxy resin installation sleeve periphery and epoxy resin sealing body bottom surface installing hole inwall, has taper seat between epoxy resin installation sleeve port and lower line-outgoing arm external cylindrical surface and cooperatively interacts.
In above technical scheme, the installing hole external cylindrical surface inside epoxy resin sealing body bottom surface is shaped with several convex holes.
In above technical scheme, sealed by epoxy resin gland between upper line-outgoing arm and epoxy resin sealing body and install, installing ring epoxy resins sealing shroud between epoxy resin gland periphery and epoxy resin sealing body inner hole wall, has the taper seat cooperatively interacted between epoxy resin gland endoporus port and upper line-outgoing arm external cylindrical surface.
The utility model has the advantages that the vacuum interrupter of vacuum circuit-breaker, operating mechanism, upper line-outgoing arm, lower line-outgoing arm overall package are at epoxy resin sealing body, good insulation preformance, non-maintaining, volume is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Line-outgoing arm, 2 vacuum interrupters, 3 flexible links, 4 moving conductive rods, 5 insulated tension poles, 6 epoxy resin glands, 7 epoxy resin sealing bodies, 8 isolating switches, 9 times line-outgoing arms, 10 levers, 11 connecting bends, 12 screws, 13 epoxy resin installation sleeves, 14 epoxy sealing rings, 15 convex holes, 16 epoxy sealing covers on 1.
Embodiment
Solid insulation high-pressure vacuum breaker as shown in Figure 1, comprises vacuum interrupter 2, operating mechanism, and install fixed contact and moving contact in vacuum interrupter 2, fixed contact is connected with upper line-outgoing arm 1; Vacuum interrupter 2 and upper line-outgoing arm 1 are fixedly encapsulated in epoxy resin sealing body 7, and operating mechanism and lower line-outgoing arm 9 are fixedly encapsulated in epoxy resin sealing body 7 by installing rack; Moving contact is fixedly connected with by moving conductive rod 4 one end with insulated tension pole 5, and the other end of insulated tension pole 5 is connected with the lever 10 of operating mechanism; Moving conductive rod 4 is connected with lower line-outgoing arm 9 by flexible link 3.Lever 10, by the on off state in insulated tension pole 5, moving conductive rod 4 actuating vacuum interrupter 2 between moving contact and fixed contact, controls the on off state of circuit breaker.In switch motion process, because all parts of vacuum circuit-breaker are all encapsulated in epoxy resin sealing body 7, prevent electric arc on the impact of grid equipment.
Lower line-outgoing arm 9 is connected with flexible link 3 by isolating switch 8, one end of isolating switch 8 is fixedly connected with screw 12 by connecting bend 11 with between lower line-outgoing arm 9, the other end of isolating switch 8 is connected with flexible link 3, and lower line-outgoing arm 9 is arranged in the installing hole of epoxy resin sealing body 7 bottom surface by epoxy resin installation sleeve 13 sealing; Installing ring epoxy resins sealing ring 14 between epoxy resin installation sleeve 13 periphery and epoxy resin sealing body 7 bottom surface installing hole inwall, between epoxy resin installation sleeve 13 port and lower line-outgoing arm 9 external cylindrical surface, there is taper seat to cooperatively interact, prevent lower line-outgoing arm 9 to be drawn out by during external force.
Installing hole external cylindrical surface inside epoxy resin sealing body 7 bottom surface is shaped with several convex holes 15, prevents high-tension electricity by connecting bend 11 to the electric discharge of dress peace frame.
Installation is sealed by epoxy resin gland 6 between upper line-outgoing arm 1 and epoxy resin sealing body 7, epoxy resin gland 6 and epoxy resin sealing body 7 upper surface fixedly mount, installing ring epoxy resins sealing shroud 16 between epoxy resin gland 6 periphery and epoxy resin sealing body 7 inner hole wall, between epoxy resin gland 6 endoporus port and upper line-outgoing arm 1 external cylindrical surface, there is the taper seat cooperatively interacted, prevent line-outgoing arm 1 to be drawn out by during external force.
Claims (4)
1. a solid insulation high-pressure vacuum breaker, comprises vacuum interrupter (2), operating mechanism, and install fixed contact and moving contact in vacuum interrupter (2), fixed contact is connected with upper line-outgoing arm (1); It is characterized in that vacuum interrupter (2) and upper line-outgoing arm (1) are fixedly encapsulated in epoxy resin sealing body (7), operating mechanism and lower line-outgoing arm (9) are fixedly encapsulated in epoxy resin sealing body (7) by installing rack; Moving contact is fixedly connected with by moving conductive rod (4) one end with insulated tension pole (5), and the other end of insulated tension pole (5) is connected with the lever (10) of operating mechanism; Moving conductive rod (4) is connected with lower line-outgoing arm (9) by flexible link (3).
2. solid insulation high-pressure vacuum breaker according to claim 1, it is characterized in that lower line-outgoing arm (9) is connected with flexible link (3) by isolating switch (8), one end of isolating switch (8) is fixedly connected with screw (12) by connecting bend (11) with between lower line-outgoing arm (9), the other end of isolating switch (8) is connected with flexible link (3), and lower line-outgoing arm (9) is arranged in the installing hole of epoxy resin sealing body (7) bottom surface by epoxy resin installation sleeve (13) sealing; Installing ring epoxy resins sealing ring (14) between epoxy resin installation sleeve (13) periphery and epoxy resin sealing body (7) bottom surface installing hole inwall, has taper seat between epoxy resin installation sleeve (13) port and lower line-outgoing arm (9) external cylindrical surface and cooperatively interacts.
3. solid insulation high-pressure vacuum breaker according to claim 1 and 2, is characterized in that the installing hole external cylindrical surface inside epoxy resin sealing body (7) bottom surface is shaped with several convex holes (15).
4. solid insulation high-pressure vacuum breaker according to claim 1 and 2, it is characterized in that being sealed by epoxy resin gland (6) between line-outgoing arm (1) and epoxy resin sealing body (7) installing, installing ring epoxy resins sealing shroud (16) between epoxy resin gland (6) periphery and epoxy resin sealing body (7) inner hole wall, has the taper seat cooperatively interacted between epoxy resin gland (6) endoporus port and upper line-outgoing arm (1) external cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520018846.8U CN204332811U (en) | 2015-01-07 | 2015-01-07 | Solid insulation high-pressure vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520018846.8U CN204332811U (en) | 2015-01-07 | 2015-01-07 | Solid insulation high-pressure vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332811U true CN204332811U (en) | 2015-05-13 |
Family
ID=53169137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520018846.8U Expired - Fee Related CN204332811U (en) | 2015-01-07 | 2015-01-07 | Solid insulation high-pressure vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204332811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054050A (en) * | 2017-12-21 | 2018-05-18 | 郑立新 | A kind of on-load switch |
-
2015
- 2015-01-07 CN CN201520018846.8U patent/CN204332811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054050A (en) * | 2017-12-21 | 2018-05-18 | 郑立新 | A kind of on-load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20210107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |