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Anti-creeping aluminum alloy power cable with high performance

A power cable and aluminum alloy technology, which is applied in the direction of power cables with shielding layers/conductive layers, insulated cables, cables, etc., can solve the problem of loose structure, unsuitable for long-distance laying and overhead laying, tensile strength and elongation of pure aluminum core Low rate and other problems, to achieve the effect of increasing elongation, reducing installation cost, and low manufacturing cost

Inactive Publication Date: 2016-08-24
JIANGSU DONGQIANG
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  • Description
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AI Technical Summary

Problems solved by technology

The electrical conductivity of aluminum is second only to copper, and China is an aluminum-rich country. Choosing aluminum instead of copper is the common choice of many cable companies, but the conductor of a pure aluminum core cable will cause structural relaxation due to temperature changes, and the pure aluminum core The tensile strength and elongation are small, so it is not suitable for long-distance laying and overhead laying

Method used

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  • Anti-creeping aluminum alloy power cable with high performance

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing, illustrate the concrete content of the present invention in detail:

[0022] 1. If figure 1 The power cable shown is a stranded cable core unit 1, which includes a shielded conductor unit 11 and a non-hygroscopic flame-retardant filler 12, and the cable core unit 1 is extruded with an outer sheath 4. Between the unit 1 and the outer sheath 4, a non-hygroscopic flame-retardant tape 2 and an interlocking armor layer 3 are sequentially covered from the inside to the outside, and it is characterized in that: the shielded conductor unit 11 contains aluminum Alloy stranded conductor 111, shielding layer 112 extruded on aluminum alloy stranded conductor 111, silane cross-linked insulating layer 113 extruded on shielding layer 112, semi-conductive shielding layer 114 extruded on insulating layer 113, Copper tape shielding layer 115 wrapped on the semi-conductive shielding layer 114; the aluminum alloy stranded conductor 111 inclu...

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Abstract

The present invention discloses an anti-creeping aluminum alloy power cable with high performance. The anti-creeping aluminum alloy power cable comprises a drawing single aluminum alloy conductor and stranded aluminum alloy conductors; each stranded aluminum alloy conductor is extruded with a shielding layer, a silane crosslinking insulating layer, a semiconduction shielding layer and a lapping copper strip shielding layer to form shielding conductor units; each shielding conductor unit forms a cable core unit through stranding, and the cable core unit includes filler and nonhygroscopic flame retardation materials; and the interlock armour is performed on the cable core unit, and the outermost layer is extruded with an oversheath. The anti-creeping aluminum alloy power cable with high performance is able to improve the anti-creeping performance of the aluminum alloy stranded conductor in an originally created aluminum alloy core arrangement mode, a stranded mode and a heat treatment mode.

Description

technical field [0001] The invention relates to a cable, in particular to an aluminum alloy power cable. Background technique [0002] Power cables are power lines used in power transmission and distribution systems for civil, commercial, industrial, large-scale venues, entertainment venues, mines, subways and other places. Due to the serious shortage of domestic copper resources, the price of copper is increasing day by day, and it is heavily dependent on copper resources. In order to survive and develop, the current cable industry has to find new metal conductors to replace copper conductors. The electrical conductivity of aluminum is second only to copper, and China is an aluminum-rich country. Choosing aluminum instead of copper is the common choice of many cable companies, but the conductor of a pure aluminum core cable will cause structural relaxation due to temperature changes, and the pure aluminum core The tensile strength and elongation are small, so it is not sui...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B9/02H01B7/18H01B7/22
Inventor 王子纯吴荣美邵秀琴唐秀芹陈彩云
Owner JIANGSU DONGQIANG
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