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Novel self-check light-weight cable

A new and lightweight technology, applied in the direction of insulated cables, cables, circuits, etc., can solve problems such as hidden dangers in safety, and achieve the effect of reducing accidents, superior flame retardant performance, and increasing heat dissipation effect.

Inactive Publication Date: 2014-05-07
河南中录电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The outer sheath of the cable is easily scratched during the transportation and laying of the existing cables, which leaves hidden dangers to safety and leads to dangerous accidents

Method used

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  • Novel self-check light-weight cable
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  • Novel self-check light-weight cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1 As shown, the new self-inspection lightweight cable includes a cable core and a protective sheath wrapped outside the cable core. The cable core includes an external nickel-plated conductor 1 and a mica tape insulation layer 2 wrapped outside the conductor 1; The protective sheath includes an outer sheath 7 arranged on the outermost layer, a copper-clad aluminum alloy wire braided shielding layer 6 arranged in the outer sheath 7, and a copper-clad aluminum alloy wire braided shielding layer 6 and an insulating layer of mica tape 2 between the PPEK insulating layer 5; the aluminum alloy wire wrapping layer inner sheath 4 is arranged between the PPEK insulating layer 5 and the mica tape insulating layer 2; the mica tape insulating layer 2 and the aluminum alloy wire wrapping layer The inner sheath 4 is filled with a filling rope 3 made of non-open mesh polypropylene tearing material, and the filling rope 3 has a dense compact structure; the PPEK insulati...

Embodiment 2

[0039] Such as figure 2 As shown, the new self-inspection lightweight cable includes a cable core and a protective sheath wrapped outside the cable core. The cable core includes an external nickel-plated conductor 1 and a mica tape insulation layer 2 wrapped outside the conductor 1; The protective sheath includes an outer sheath 7 arranged on the outermost layer, a copper-clad aluminum alloy wire braided shielding layer 6 arranged in the outer sheath 7, and a copper-clad aluminum alloy wire braided shielding layer 6 and an insulating layer of mica tape 2 between the PPEK insulating layer 5; the aluminum alloy wire wrapping layer inner sheath 4 is arranged between the PPEK insulating layer 5 and the mica tape insulating layer 2; the mica tape insulating layer 2 and the aluminum alloy wire wrapping layer The inner sheath 4 is filled with a filling rope 3 made of non-open mesh polypropylene tearing material, and the filling rope 3 has a dense compact structure; the PPEK insulati...

Embodiment 3

[0041] Such as image 3 As shown, the new self-inspection lightweight cable includes a cable core and a protective sheath wrapped outside the cable core. The cable core includes an external nickel-plated conductor 1 and a mica tape insulation layer 2 wrapped outside the conductor 1; The protective sheath includes an outer sheath 7 arranged on the outermost layer, a copper-clad aluminum alloy wire braided shielding layer 6 arranged in the outer sheath 7, and a copper-clad aluminum alloy wire braided shielding layer 6 and an insulating layer of mica tape 2 between the PPEK insulating layer 5; the aluminum alloy wire wrapping layer inner sheath 4 is arranged between the PPEK insulating layer 5 and the mica tape insulating layer 2; the mica tape insulating layer 2 and the aluminum alloy wire wrapping layer The inner sheath 4 is filled with a filling rope 3 made of non-open mesh polypropylene tearing material, and the filling rope 3 has a dense compact structure; the PPEK insulatin...

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PUM

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Abstract

The invention discloses a novel self-check light-weight cable comprising a cable core and a protective sleeve wrapping the cable core. The cable core comprises nickel-plated conductors and mica tape insulation layers respectively wrapping the conductors. The protective sleeve comprises an outer sheath arranged at the outmost layer. The cable has good corrosion resistance as the conductors of the cable are made of nickel-plated copper wires. The cable has stable heat resistance as the insulation layer is made of polyetherketone resin. Filling ropes are made of non-open net polypropylene tearing material, which reduces the resistance coefficient of the structure part of the cable through a compact pressing structure, increases the cooling effect of the cable and prevents the cable from overheat burning. As sensing fibers are arranged on the mica tape insulation layers and the PPEK insulation layer, whether insulators outside wires are damaged can be accurately detected so as to timely remind maintenance personnel to carry out repairing and reduce the occurrence of accidents. Aluminum wires are copper-clad, which effectively prevents the aluminum wires from wear and oxidation, reduces the cost and the weight of the cable, enables the requirements of a variety of complex situations to be met, and improves the comprehensive usability.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a cable capable of self-checking damage. Background technique [0002] At present, with the development of society, the power consumption increases accordingly, and the current carrying capacity of the cable is required to be larger and larger, the core cross section of the cable is constantly increasing, and the length unit and length of the cable are also increasing accordingly. [0003] Existing cables are generally all-copper or all-aluminum. Since copper cables are superior to aluminum in oxidation resistance, welding performance and electrical conductivity, they are widely used in high-current fields; but copper cables are expensive and The density is high, and it is replaced by aluminum conductors under certain conditions of use. With the continuous development of technology, the application occasions of cables are complex and diverse, and copper or aluminum conductors are...

Claims

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Application Information

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IPC IPC(8): H01B1/02H01B3/42H01B7/17H01B7/295H01B7/42H01B7/32
Inventor 韦强启王永祥孟哲姜新斌刘平祝炳臣周汉卿李习伟
Owner 河南中录电缆有限公司