CN202871393U - Circular shielding insulating tubular bus - Google Patents
Circular shielding insulating tubular bus Download PDFInfo
- Publication number
- CN202871393U CN202871393U CN 201220560960 CN201220560960U CN202871393U CN 202871393 U CN202871393 U CN 202871393U CN 201220560960 CN201220560960 CN 201220560960 CN 201220560960 U CN201220560960 U CN 201220560960U CN 202871393 U CN202871393 U CN 202871393U
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- insulating
- layer
- voltage
- circular
- insulating barrier
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Abstract
The utility model relates to a tubular bus structure used for a power transmission system, in particular to a circular shielding insulating tubular bus, comprising a circular tubular conductor, wherein the circular tubular conductor is orderly wrapped with a first insulating layer, a first voltage-sharing layer, a second insulating layer, a second voltage-sharing layer, a third insulating layer, a grounding shielding layer, an insulating sheath layer and a bellows from the inner side to the outer side, wherein the first insulating layer and the second insulating layer are respectively prepared by a high molecular insulating material, the first and second voltage-sharing layers are respectively prepared by an aluminium foil material, the grounding shielding layer is prepared by a metal netted material, and the bellows is prepared by an insulating material. The circular shielding insulating tubular bus can control the potential and limit electric field of the internal conductor, thereby enabling the electric field to be uniformly distributed and preventing the insulating surface from generating partial discharge; and can be used for transmitting the leakage current and the charging current and simultaneously cam be used for shielding a voltage, thereby protecting a dangerous contact voltage, enabling the electric field of the insulating tubular bus to be uniformly distributed and being strong in electrical insulating property.
Description
Technical field
The utility model relates to a kind of tubular bus structure for transmission system, specifically a kind of circular shielding insulation pipe bus.
Background technology
The square-section bus that tubular bus is relatively traditional has advantages of that kelvin effect is low, transmission loss is little, but because its overall dimension is larger, thereby its exterior insulation is had higher requirement.Existing pipe bus exterior insulation adopts insulation strip material and insulating sleeve simply to coat usually, and its insulating capacity is poor, and can't shield builtin voltage fully, thereby its phase fail safe can not be satisfied higher insulation and requirement of shelter.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of insulating protection ability strong, safe circular shielding insulation pipe bus.
Circular shielding insulation pipe bus of the present utility model includes the conductor of a tubular, is coated with successively from inside to outside the first insulating barrier, the first equalizing press layer, the second insulating barrier, the second equalizing press layer, the 3rd insulating barrier, ground shield, insulating sleeve layer and bellows in the conductor periphery; Described the first insulating barrier, the second insulating barrier are insulating polymeric material; Described the first equalizing press layer, the second equalizing press layer are aluminum foil material; Described ground shield is metal mesh material; Described bellows is insulating material.
Described the first insulating barrier, the second insulating layer material are polytetrafluoroethylene.
Described ground shield is the weaving copper mesh.
Described insulating sleeve layer material is the polyolefin high polymer.
The utility model arranges by the interval of multilayer equalizing press layer, can control current potential, the restriction electric field of inner conductor, makes Electric Field Distribution even, avoids producing partial discharge at insulating surface; By ground shield, but in to voltage shield conduct leakage current and charging current, the touch voltage of danger is protected; Therefore make the buses of insulation tubes Electric Field Distribution even, electrical insulation properties is strong.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in the figure, this circle shielding insulation pipe bus includes the conductor 1 of a tubular, is coated with successively from inside to outside the first insulating barrier 2, the first equalizing press layer 3, the second insulating barrier 4, the second equalizing press layer 5, the 3rd insulating barrier 6, ground shield 7, insulating sleeve layer 8 and bellows 9 in the conductor periphery; Described the first insulating barrier, the second insulating barrier are Teflom Insulation Material; Described the first equalizing press layer, the second equalizing press layer are aluminum foil material; Described ground shield is the weaving copper mesh; Described insulating sleeve layer material is the polyolefin high polymer; Described bellows is insulating material.
Claims (4)
1. circular shielding insulation pipe bus, include the conductor (1) of a tubular, it is characterized in that: be coated with successively from inside to outside the first insulating barrier (2), the first equalizing press layer (3), the second insulating barrier (4), the second equalizing press layer (5), the 3rd insulating barrier (6), ground shield (7), insulating sleeve layer (8) and bellows (9) in the conductor periphery; Described the first insulating barrier, the second insulating barrier are insulating polymeric material; Described the first equalizing press layer, the second equalizing press layer are aluminum foil material; Described ground shield is metal mesh material; Described bellows is insulating material.
2. circular shielding insulation pipe bus according to claim 1, it is characterized in that: described the first insulating barrier (2), the second insulating barrier (4) material are polytetrafluoroethylene.
3. circular shielding insulation pipe bus according to claim 1 is characterized in that: described ground shield (7) is the weaving copper mesh.
4. circular shielding insulation pipe bus according to claim 1, it is characterized in that: described insulating sleeve layer (8) material is the polyolefin high polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220560960 CN202871393U (en) | 2012-10-30 | 2012-10-30 | Circular shielding insulating tubular bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220560960 CN202871393U (en) | 2012-10-30 | 2012-10-30 | Circular shielding insulating tubular bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202871393U true CN202871393U (en) | 2013-04-10 |
Family
ID=48038090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220560960 Expired - Lifetime CN202871393U (en) | 2012-10-30 | 2012-10-30 | Circular shielding insulating tubular bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202871393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366872A (en) * | 2013-06-07 | 2013-10-23 | 江苏士林电气设备有限公司 | Circular shielding insulating bus and machining method thereof |
| CN103680685A (en) * | 2013-12-20 | 2014-03-26 | 浙江南网电气有限公司 | Dry overall shield insulating tubular bus |
| CN110159841A (en) * | 2019-05-30 | 2019-08-23 | 国网河南省电力公司电力科学研究院 | A kind of buried oil-gas pipeline limiting surge voltage |
-
2012
- 2012-10-30 CN CN 201220560960 patent/CN202871393U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366872A (en) * | 2013-06-07 | 2013-10-23 | 江苏士林电气设备有限公司 | Circular shielding insulating bus and machining method thereof |
| CN103366872B (en) * | 2013-06-07 | 2016-06-22 | 江苏士林电气设备有限公司 | A kind of circular shield isolated bus |
| CN103680685A (en) * | 2013-12-20 | 2014-03-26 | 浙江南网电气有限公司 | Dry overall shield insulating tubular bus |
| CN110159841A (en) * | 2019-05-30 | 2019-08-23 | 国网河南省电力公司电力科学研究院 | A kind of buried oil-gas pipeline limiting surge voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |