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Aluminium alloy cable

An aluminum alloy and aluminum alloy wire technology, applied in the manufacture of insulated cables, cables, cables/conductors, etc., can solve the problem of lack of halogen-free low-smoke flame retardant and fire-resistant properties, conductor compaction, annealing technology failure, electrical conductivity and resistance Failure to meet the standard and other problems to achieve the effect of avoiding fire accidents, not easy to breakdown, avoiding corrosion and oxidation

Inactive Publication Date: 2016-01-13
HENAN KAIQI POWER IND
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

There are certain problems in the existing aluminum alloy cables, which need to be further improved. For example, the conductor is tightly pressed and the annealing technology is not good enough, which may easily cause the conductivity and resistance to fail to meet the standard; the structure is unreasonable, and the lack of halogen-free low-smoke In the event of a fire, the cable will burn to produce harmful gas and cause harm to the human body; therefore, the various performances of aluminum alloy cables should be further improved to meet market demand

Method used

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  • Aluminium alloy cable

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Embodiment Construction

[0016] The technical solutions of the present invention will be described in further detail below through specific implementation methods.

[0017] like figure 1 As shown, an aluminum alloy cable includes an aluminum alloy wire bundle 1 distributed sequentially from the inside to the outside, a cross-linked polyethylene insulating layer 2, a basalt fiber cloth tape heat-insulating and flame-retardant reinforcing layer 3, and a wrinkled aluminum alloy sheath layer 4 , asphalt coating 5, low-smoke halogen-free flame-retardant sheath layer 6, wherein, the cross-linked polyethylene insulating layer 2 is wrapped on the aluminum alloy conductor bundle 1 to form an insulated wire core; the insulated wire core The basalt fiber cloth is wrapped with a heat-insulating and flame-retardant reinforcing layer 3, and the basalt fiber cloth is wrapped with a heat-insulating and flame-retardant reinforcing layer 3, and the wrinkled aluminum alloy sheath layer coated with the asphalt coating 5 ...

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Abstract

The invention provides an aluminium alloy cable which comprises an insulated cable core and a heat-insulation flame-retarding reinforcement layer, a metal jacket layer, a bituminous coating layer and a sheath layer, which are arranged on the insulated cable core from the inside out in sequence. The insulated cable core is formed by a plurality of aluminium alloy wires and a cross-linked polyethylene insulating layer wrapped on the surfaces of the aluminium alloy wires. The Aluminium alloy cable overcomes the defects in the aspects of conductor processing, halogen-free low-smoke flame retardation, fire-resistant performance and anticorrosion and the like, and thus comprehensive protection performance of the cable is improved.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to an aluminum alloy cable. Background technique [0002] With the rapid development of my country's economic construction, the cables used in public places and high-rise buildings in my country are basically low-smoke low-halogen or low-smoke halogen-free flame-retardant cables with copper core conductors. Copper resources are in short supply in my country, but aluminum ore Resources and rare earth resources are relatively abundant. Using aluminum alloy and other materials to make high-performance cables can be used as a good solution. Aluminum alloy cables add copper, iron, silicon and rare earth and other elements to the original metal conductor aluminum , a cable obtained by advanced technologies such as special compaction process and annealing treatment. Aluminum alloy cables make up for the shortcomings of pure aluminum cables in the past, improve the electrical conductivity, be...

Claims

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Application Information

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IPC IPC(8): H01B7/00H01B7/29H01B7/295H01B13/00
Inventor 徐志健高泽民李阁华
Owner HENAN KAIQI POWER IND
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