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Self-supporting composite structure multi-functional high-voltage power cable for environment-friendly smart grid and preparation method thereof

A smart grid and composite structure technology, applied in the direction of power cables, power cables with shielding layers/conductive layers, power cables including optical transmission components, etc., can solve problems such as unreasonable structural design, backward production technology, and high production costs , to achieve excellent insulation and mechanical properties, excellent high flame retardant properties, and reduce electromagnetic interference

Pending Publication Date: 2017-11-07
WUXI CITY HENG HUI CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no professional manufacturer of this product in China; the traditional production technology is backward, the structural design is unreasonable, and the yield is low; in addition, the requirements for high flame retardancy and environmental protection of cables are getting higher and higher in recent years, resulting in many manufacturers due to current Without technology, it is impossible to design and produce intelligent and environmentally friendly medium-voltage power cable products that meet technical requirements
And the production process has the following problems: 1, the processing capacity is large, and the production cost is high
2. It is not conducive to laying and management, and the risk factor is large
3. Difficult assembly of finished products and long production cycle
4. The structure is unreasonable and the laying area is large

Method used

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  • Self-supporting composite structure multi-functional high-voltage power cable for environment-friendly smart grid and preparation method thereof

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0033] figure 1 The self-supporting composite structure multifunctional high-voltage power cable for environment-friendly smart grid shown includes a cable core, and the cable core is formed by twisting a plurality of power cores and a communication optical cable 6; the gap between the cable cores is There is a filling layer 7 of halogen-free high flame-retardant glass fiber rope, and the outer layer of the cable core is overlapped and wrapped with a halogen-free high flame-retardant glass fiber tape around the cladding layer 8, and the halogen-free high flame-retardant glass fiber tape is wrapped around the cladding layer with a thermoplastic non-woven fabric. Halogen, low-smoke, high flame-retardant polyolefin isolation tape or polyethylene inner sheath 9, a reinforced load-bearing core 10 is arranged outside the isolation belt or inner sheath, and galvaniz...

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Abstract

The invention discloses a self-supporting composite structure multi-functional high-voltage power cable for an environment-friendly smart grid and a preparation method thereof. The power cable comprises a cable core. The cable core is composed of a plurality of power core wires and a communication optical cable which are stranded; a halogen-free and high-flame-retardant glass cord filled layer is arranged at the gap of the cable core, a halogen-free and high-flame-retardant glass fiber tape wrapping layer is overlapped and wrapped around the cable core, and a thermoplastic halogen-free low-smoke high-flame-retardant polyolefin isolation tape or polyethylene inner sheath is extruded outside the halogen-free and high-flame-retardant glass fiber tape wrapping layer. A reinforced load-bearing core is arranged outside the isolation tape or inner sheath, a galvanized steel strip spiral wrapped armored layer is wrapped in the outer gap of the reinforced load-bearing core, and a thermoplastic halogen-free low smoke high-flame-retardant polyolefin outer sheath is extruded outside the galvanized steel strip spiral wrapped armored layer. The power cable adopts the structure of photoelectric unity, has the functions of power transmission, optical fiber communication transmission and optical fiber on-line monitoring, and realizes the intelligent control of power transmission and transformation grid equipment, facility status and data transmission.

Description

technical field [0001] The invention relates to the field of electric wires and cables, in particular to a multifunctional self-supporting composite structure for an environment-friendly smart grid that is applicable to the intelligent control of the power grid network and ensures the normal operation of power transmission in the transmission and transformation grid, optical fiber communication transmission, and optical fiber online monitoring system High voltage power cable and method of manufacture thereof. Background technique [0002] With the development and promotion of smart grid construction, the intelligent construction of smart grid, such as automatic control of distribution network, remote collection of power transmission information, online detection of cable operation status, and two-way interaction between power grid and power users, all require power information communication. To develop in the direction of high speed, reliability and safety. Optical fiber ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/02H01B7/22H01B7/295H01B9/00H01B9/02H01B13/00
CPCH01B7/0275H01B7/223H01B7/225H01B7/226H01B7/295H01B9/005H01B9/022H01B13/00
Inventor 赵金磊袁宗民张叶储小红
Owner WUXI CITY HENG HUI CABLE
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