CN104464903A - Cable for high-voltage trunk line - Google Patents
Cable for high-voltage trunk line Download PDFInfo
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- CN104464903A CN104464903A CN201410767500.8A CN201410767500A CN104464903A CN 104464903 A CN104464903 A CN 104464903A CN 201410767500 A CN201410767500 A CN 201410767500A CN 104464903 A CN104464903 A CN 104464903A
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- layer
- copper
- rubber layer
- cable
- wrapped
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Abstract
The invention discloses a cable for a high-voltage trunk line. The cable comprises a copper conductor, a crosslinked polyethylene layer, a shielding layer, a copper layer, a non-woven fabric isolation layer, a first rubber layer, a steel belt and a second rubber layer, wherein the copper conductor is wrapped in the crosslinked polyethylene layer, the crosslinked polyethylene layer is wrapped in the shielding layer, the shielding layer is wrapped in the copper layer, the non-woven fabric isolation layer is wound outside the copper layer and wrapped in the first rubber layer, the first rubber layer is wrapped in the steel belt and the second rubber layer in sequence, the first rubber layer and the second rubber layer are made of polyvinyl chloride, and the copper conductor is tinned. Due to the cable, the electric field on the outer surface of a copper core can be averaged, and it is avoided that because the surface of the conductor is not smooth and air gaps are generated in the cable core stranding process, local discharge happens to the conductor and insulation. The use of the cable is safer.
Description
Technical field
The present invention relates to a kind of cable, in particular a kind of high pressure stem line cable.
Background technology
Cable is normally by the cable of the similar rope of several or several groups wire strandings, and often organize mutually insulated between wire, and be often twisted into round a center, whole outside is surrounded by the cover layer of high-insulation.Multi rack is located at aerial or is contained in underground, the bottom, for telecommunication or electric power conveying.
The high pressure stem line cable of 26 ~ 35KV is very high to the requirement of core uniformity.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of high pressure stem line cable, the demand of high pressure stem line can be met.
The present invention is achieved by the following technical solutions, the present invention includes a copper conductor, cross-linked polyethylene layer, screen, layers of copper, nonwoven fabrics separator, first rubber layer, steel band and the second rubber layer, described copper conductor outer cladding cross-linked polyethylene layer, screen is coated on outside cross-linked polyethylene layer, layers of copper is wrapped in outside screen, nonwoven fabrics separator is wrapped in outside layers of copper, first rubber layer is coated on outside nonwoven fabrics separator, steel band and the second rubber layer are coated on outside the first rubber layer successively, described first rubber layer and the second rubber layer are that polyvinyl chloride is made, zinc-plated process on copper conductor.
Described screen is semiconductive shielding layer.Semiconductive shielding layer is very low by resistivity and the semiconductive material of thinner thickness is formed.In order to uniform line core outer surface electric field, avoid because of conductive surface is rough and the air gap of the stranded generation of core and cause conductor and insulation occur partial discharge.
The present invention carries out zinc-plated process on copper conductor, copper wire can be prevented to be oxidized, keep good continuity test, be convenient to conductor and conductor, conductor welds with instrument, has good welding performance, copper has catalytic action to the aging of rubber, and isolation copper and rubber, delay rubber aging.Polyethylene is cross-linked, by between polyethylene molecule covalent bond form a netted three-dimensional structure, improve rapidly the performance of polyvinyl resin, as: series of physical, the chemical properties such as thermal deformation, resistance to wear, chemical proofing, stress crack resistant.
The present invention has the following advantages compared to existing technology: cable of the present invention can the electric field of uniform copper core outer surface, avoids because conductive surface is rough and the air gap of the stranded generation of core and cause conductor and insulation that partial discharge occurs.The use of cable is safer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, the present embodiment comprises a copper conductor 1, cross-linked polyethylene layer 2, screen 3, layers of copper 3, nonwoven fabrics separator 4, first rubber layer 5, steel band 6 and the second rubber layer 7, described copper conductor 1 outer cladding cross-linked polyethylene layer 2, screen 3 is coated on outside cross-linked polyethylene layer 2, layers of copper 3 is wrapped in outside screen 3, nonwoven fabrics separator 4 is wrapped in outside layers of copper 3, first rubber layer 5 is coated on outside nonwoven fabrics separator 4, steel band 6 and the second rubber layer 7 are coated on outside the first rubber layer 5 successively, described first rubber layer 5 and the second rubber layer 7 are made for polyvinyl chloride, zinc-plated process on copper conductor 1.
The screen 3 of the present embodiment is semiconductive shielding layer.Semiconductive shielding layer is very low by resistivity and the semiconductive material of thinner thickness is formed.In order to uniform line core outer surface electric field, avoid because of conductive surface is rough and the air gap of the stranded generation of core and cause conductor and insulation occur partial discharge.
Claims (2)
1. a high pressure stem line cable, it is characterized in that, comprise a copper conductor, cross-linked polyethylene layer, screen, layers of copper, nonwoven fabrics separator, first rubber layer, steel band and the second rubber layer, described copper conductor outer cladding cross-linked polyethylene layer, screen is coated on outside cross-linked polyethylene layer, layers of copper is wrapped in outside screen, nonwoven fabrics separator is wrapped in outside layers of copper, first rubber layer is coated on outside nonwoven fabrics separator, steel band and the second rubber layer are coated on outside the first rubber layer successively, described first rubber layer and the second rubber layer are that polyvinyl chloride is made, zinc-plated process on copper conductor.
2. a kind of high pressure stem line cable according to claim 1, it is characterized in that, described screen is semiconductive shielding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767500.8A CN104464903A (en) | 2014-12-12 | 2014-12-12 | Cable for high-voltage trunk line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767500.8A CN104464903A (en) | 2014-12-12 | 2014-12-12 | Cable for high-voltage trunk line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104464903A true CN104464903A (en) | 2015-03-25 |
Family
ID=52910828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410767500.8A Pending CN104464903A (en) | 2014-12-12 | 2014-12-12 | Cable for high-voltage trunk line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104464903A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050016755A1 (en) * | 2003-03-13 | 2005-01-27 | Martinez Leonel Yanez | Dry, water-resistant coaxial cable and manufacturing method of the same |
| BRPI0402368A (en) * | 2004-06-21 | 2006-01-31 | Furukawa Ind S A Produtos Elet | Conductor cable for oil or gas well sensing |
| CN201229785Y (en) * | 2008-07-18 | 2009-04-29 | 河北华通线缆制造有限公司 | High voltage large cross section second third insulation chlorosulfonated polyethylene protection sleeve electric cable |
| CN201522868U (en) * | 2009-09-21 | 2010-07-07 | 江苏东旭电缆有限公司 | Salt-fog resisting cable |
| CN201749721U (en) * | 2010-07-23 | 2011-02-16 | 安徽华能电缆集团有限公司 | Power cable used for high-speed electrification railway |
| CN202307284U (en) * | 2011-07-22 | 2012-07-04 | 北京上酉电缆有限公司 | High voltage cable |
| CN202930124U (en) * | 2012-11-14 | 2013-05-08 | 湖北龙腾红旗电缆(集团)有限公司 | Ratproof and anti-termite type coaxial cable for extra-high voltage electric line grounding |
| CN203038719U (en) * | 2012-12-14 | 2013-07-03 | 上海川投电线电缆有限公司 | Medium and high voltage power cable |
-
2014
- 2014-12-12 CN CN201410767500.8A patent/CN104464903A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050016755A1 (en) * | 2003-03-13 | 2005-01-27 | Martinez Leonel Yanez | Dry, water-resistant coaxial cable and manufacturing method of the same |
| BRPI0402368A (en) * | 2004-06-21 | 2006-01-31 | Furukawa Ind S A Produtos Elet | Conductor cable for oil or gas well sensing |
| CN201229785Y (en) * | 2008-07-18 | 2009-04-29 | 河北华通线缆制造有限公司 | High voltage large cross section second third insulation chlorosulfonated polyethylene protection sleeve electric cable |
| CN201522868U (en) * | 2009-09-21 | 2010-07-07 | 江苏东旭电缆有限公司 | Salt-fog resisting cable |
| CN201749721U (en) * | 2010-07-23 | 2011-02-16 | 安徽华能电缆集团有限公司 | Power cable used for high-speed electrification railway |
| CN202307284U (en) * | 2011-07-22 | 2012-07-04 | 北京上酉电缆有限公司 | High voltage cable |
| CN202930124U (en) * | 2012-11-14 | 2013-05-08 | 湖北龙腾红旗电缆(集团)有限公司 | Ratproof and anti-termite type coaxial cable for extra-high voltage electric line grounding |
| CN203038719U (en) * | 2012-12-14 | 2013-07-03 | 上海川投电线电缆有限公司 | Medium and high voltage power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
|
| RJ01 | Rejection of invention patent application after publication |