CN203014256U - Insulation bus adapter - Google Patents
Insulation bus adapter Download PDFInfo
- Publication number
- CN203014256U CN203014256U CN 201220670750 CN201220670750U CN203014256U CN 203014256 U CN203014256 U CN 203014256U CN 201220670750 CN201220670750 CN 201220670750 CN 201220670750 U CN201220670750 U CN 201220670750U CN 203014256 U CN203014256 U CN 203014256U
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- CN
- China
- Prior art keywords
- bus adapter
- insulation
- conductor
- terminal
- isolated bus
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- 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 an insulation bus adapter. The insulation bus adapter comprises a conductor, an insulation layer formed by epoxy resin insulation impregnated paper or vacuum casted insulation epoxy resin, terminals at two ends of the conductor, a grounding device and a protection layer outside the insulation layer. The insulation bus adapter is characterized in that at least one end of the insulation bus adapter is conical plugging terminal, voltage-sharing capacitor screens are arranged between insulation layers of the conical plugging terminal, the voltage-sharing capacitor screens can extend in the insulation layers of the conductor, or the voltage-sharing capacitor screens are respectively arranged among the insulation layers of the conductor. The insulation bus adapter is advantaged in that the insulation bus adapter has properties of good insulation performance, safe and reliable use and high voltage resistance, guarantees conduction capability of large current, has current-carrying capacity reaching 4000A, is applicable to various electrical equipment, has a plugging structure, is configured with a connection part and is more convenient and reliable to mount.
Description
Technical field
The utility model relates to a kind of electric connecting part, the epoxy resin impregnated paper insulation of the large current-carrying that the capacitor screen that particularly is connected with inner cone, outer cone insulator or the GIS air chamber inner wire of the metal enclosed switchgear (GIS) of gas (or SF6 and N2 gaseous mixture) insulation is all pressed or the isolated bus adapter of epoxide resin vacuum cast.
Background technology
High voltage distribution installation mainly comprises with air-insulated ordinary distribution device (AIS) with the gas power distribution equipment (GIS) of SF6 gas or SF6 and the insulation of N2 gaseous mixture.
Box enclosed busbar or isolated bus or power cable and its line connecting terminals phase connection are adopted in the inlet wire of conventional power distribution equipment AIS and outlet usually, its joint is that open type is air insulation, also have by insulating sleeve or dividing plate reinforced insulation, the problem that this connected mode exists is: joint area takes up space larger, Electric Field Distribution is inhomogeneous under working voltage, easily produce discharge, reliability is low; Terminal connecting portion is operation for a long time in air, and the easy oxidation of contact-making surface increases contact resistance, and the coupling part easily generates heat, and increases electric energy loss.
The inlet wire of gas isolated power distribution equipment GIS is connected with outlet and is adopted the cable plug head to connect, and the insulation system that plug-in connects is compact, and reliability, versatility are good.Shortcoming is to be subjected to fabrication process condition, conductor, insulating material performance limitations, the ampacity of cable plug head is little, GIS cabinet for large current-carrying, each single-phase line adopts multi-cable plug in parallel to connect, cause the GIS cabinet complicated, connector is many, causes that the fault point is many, product maintenance is complicated, and operational reliability is low.
Summary of the invention
The purpose of this utility model is to provide a kind of suitable high voltage, large electric current GIS cabinet to use, and easy to connect, good insulating, simple, the reliable isolated bus adapter of maintenance.
Technical solution of the present utility model is: a kind of isolated bus adapter, the overcoat that comprises conductor, the terminal by epoxy resin impregnated paper insulation or the casting insulated insulating barrier that consists of of epoxide resin vacuum, conductor two ends, earthing device and insulating barrier outside, it is characterized in that at least one end of isolated bus adapter is taper plug-in terminal, the equalizing capacitance screen is set between taper plug-in terminal insulating layer, the equalizing capacitance screen may extend in insulating layer of conductor, or with the conductor insulation interlayer, the equalizing capacitance screen is set respectively.
Described taper plug-in terminal, the conductor of its end is provided with projection or shrinkage pool.
Be provided with mounting flange assembly with air chamber in taper plug-in terminal outer.
Be connected with insulating connecting component on taper plug-in terminal, insulating connecting component is for being with two interface hollow parts, and the center extended line of two interfaces is perpendicular.Transition by insulating connecting component connects, and makes the isolated bus adapter can be fit to different installing spaces.
To earthy position, full skirt is set from high potential outside isolated bus adapter insulating barrier.
The isolated bus adapter that the utility model provides, according to requirements, can be at one end or two ends the terminal of taper plug-in structure is set, if an end setting, the terminal of the other end is made rectangular plate shape or other shapes.The insulating barrier outside of isolated bus adapter arranges full skirt from hot end to earth potential, to strengthen anti-pollution ability and creepage distance.The equalizing capacitance screen of semiconductive or conduction is set in the insulating barrier of taper plug-in terminal, and insulating barrier adopts epoxy resin impregnated paper or epoxide resin vacuum cast to consist of, and the outside of insulating barrier is provided with overcoat.If the length of isolated bus adapter is shorter, the equalizing capacitance screen in taper plug-in terminal insulating layer may extend in the middle conductor insulating barrier.If the length of isolated bus adapter is longer, the equalizing capacitance screen is set respectively between taper plug-in terminal insulating layer and middle conductor insulating barrier.Connect for convenient, guarantee the reliability of connection, the end conductor of taper plug-in terminal is provided with projection or shrinkage pool.Simultaneously at the outer setting flange of taper plug-in terminal or with mounting flange or the insulated connecting piece of air chamber, so that the isolated bus adapter is connected with parts on other equipment.The isolated bus adapter can be made U-shaped, the various geometries such as L shaped, Z-shaped according to installing space, to satisfy installation requirement.
Characteristics of the present utility model are: the good insulation preformance of adapter, and safe and reliable, voltage withstand class is high, guarantee the ducting capacity of large electric current, more than single ampacity can reach 7000A, be applied to the GIS cabinet of large current-carrying, every phase is only used an adapter, make mounting structure simple, tie point is few, and the probability that breaks down reduces, socket connection structure and configure corresponding link, easier for installation reliable, be applicable to various electric equipments.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the isolated bus adapter structure schematic diagram with the mounting flange assembly;
Fig. 3 is mounting structure schematic diagram of the present utility model;
Fig. 4 is the isolated bus adapter structure schematic diagram of tape insulation link.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, an end of isolated bus adapter 1 is rectangular plate type terminal 2, is divided into two orifice plates, four orifice plates, six orifice plates etc. according to the size of rated current-carrying capacity.The other end is taper plug-in terminal 3, and the end of its conductor 5 is provided with the projection 4 of being convenient to be electrically connected to.The insulating barrier of isolated bus adapter adopts epoxy resin impregnated paper 6 to make, and is evenly equipped with independently to conduct electricity capacitance plate 9 between the insulating barrier at taper plug-in terminal place.Also be evenly equipped with conduction capacitance plate 7 between the insulating barrier of middle conductor section.Insulating barrier outer setting overcoat 8.
As shown in Figure 2, an end of isolated bus adapter 1 is rectangular plate type terminal 2, and the other end is taper plug-in terminal 3, and the end of its conductor 5 is provided with the projection 4 that is electrically connected to power distribution cabinet GIS air chamber inner wire 10, is convenient to location and the connection of being connected.The insulating barrier of isolated bus adapter adopts epoxide resin vacuum cast 6 to make, and is evenly equipped with independently semiconductive capacitance plate 9 between the insulating barrier at taper plug-in terminal place.Also be evenly equipped with conduction capacitance plate 7 between the insulating barrier of middle conductor section.Insulating barrier outer setting overcoat 8.The position that is earthing device 12 outside the insulating barrier by rectangular plate type terminal place from the high potential to the earth potential arranges full skirt 11, to strengthen anti-pollution ability and creepage distance.In the outer setting of taper plug-in terminal, mounting flange 13 with air chamber is arranged.In Fig. 3, the taper plug-in terminal of isolated bus adapter is plugged in the inner cone insulator 14 of electrical control cubicles SF6 gas side, and is connected with mounting flange.
As shown in Figure 4, limited by installing space, the taper plug-in terminal of isolated bus adapter can not directly be connected with the outer cone insulator 15 of electrical control cubicles SF6 gas side, but connect by insulating connecting component 16, insulating connecting component is the hollow part with two interfaces, the center extended line of two interfaces is perpendicular, and one of them interface is plugged on taper plug-in terminal, and another interface is connected with the outer cone insulator.
Claims (5)
1. isolated bus adapter, the overcoat that comprises conductor, the terminal by epoxy resin impregnated paper insulation or the casting insulated insulating barrier that consists of of epoxide resin vacuum, conductor two ends, earthing device and insulating barrier outside, it is characterized in that at least one end of isolated bus adapter is taper plug-in terminal, the equalizing capacitance screen is set between taper plug-in terminal insulating layer, the equalizing capacitance screen may extend in insulating layer of conductor, or with the conductor insulation interlayer, the equalizing capacitance screen is set respectively.
2. isolated bus adapter according to claim 1, is characterized in that described taper plug-in terminal, and the conductor of its end is provided with projection or shrinkage pool.
3. isolated bus adapter according to claim 1 is characterized in that being provided with mounting flange assembly with air chamber in taper plug-in terminal outer.
4. isolated bus adapter according to claim 1, is characterized in that being connected with insulating connecting component on taper plug-in terminal, and insulating connecting component is for being with two interface hollow parts, and the center extended line of two interfaces is perpendicular.
5. isolated bus adapter according to claim 1, is characterized in that to earthy position, full skirt being set from high potential outside isolated bus adapter insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670750 CN203014256U (en) | 2012-12-08 | 2012-12-08 | Insulation bus adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670750 CN203014256U (en) | 2012-12-08 | 2012-12-08 | Insulation bus adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203014256U true CN203014256U (en) | 2013-06-19 |
Family
ID=48605813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220670750 Expired - Fee Related CN203014256U (en) | 2012-12-08 | 2012-12-08 | Insulation bus adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203014256U (en) |
-
2012
- 2012-12-08 CN CN 201220670750 patent/CN203014256U/en not_active Expired - Fee Related
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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: 20130619 Termination date: 20191208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |