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Longitudinal watertight comprehensive cable

A cable and watertight technology, used in insulated cables, submarine cables, cables, etc., can solve problems such as damage, damage to the sheath layer of submarine cables, loss of protection, etc., to achieve good seismic resistance, save production time, and increase compression Effects of Sex and Stability

Pending Publication Date: 2020-03-24
QUANXING CABLE JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, with the increase of marine development, the sheath layer of submarine cables is often damaged by external mechanical forces, losing internal protection, allowing seawater to penetrate waterproof layers and armored steel wires or power supply conductors. contact, damage

Method used

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  • Longitudinal watertight comprehensive cable
  • Longitudinal watertight comprehensive cable
  • Longitudinal watertight comprehensive cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] A longitudinal watertight composite cable, such as figure 1 As shown, it includes a conductive layer 1 disposed at the center of the cable, a signal transmission layer 2 surrounding the conductive layer, and a protective layer 3 disposed outside the signal transmission layer.

[0060] The conductive layer includes three insulated wire groups 11 with equal diameters, and a conductive protection layer 13 wrapped around the insulated wire groups 11 .

[0061] like image 3 As shown, the three insulated conductor groups 11 are distributed around the center point O of the cable, so that the three insulated conductor groups 11 are connected at the center point P to form a small equilateral triangle; the adjacent outer walls of the insulated conductor groups 11 are tangent in pairs, and the insulated conductor groups The outer wall on the other side of 11 is inscribed in the conductive protective layer 13; the three gaps between the insulated wire group 11 and the conductive ...

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Abstract

A longitudinal watertight comprehensive cable comprises a conducting layer arranged in the center of the cable, a signal transmission layer surrounding the outer side of the conducting layer, and a protective layer arranged on the outer side of the signal transmission layer. The conductive layer comprises three equal-diameter insulated wire groups and a conductive protective layer wrapping the outer sides of the insulated wire groups; three filling lines are arranged in the gap between the insulated conductor group and the conductive protective layer; the signal transmission layer comprises nine groups of signal transmission lines surrounding the outer side of the conductive protection layer, and a signal transmission protection layer wrapping the outer sides of the signal transmission lines; the protective layer comprises an inner sheath tightly attached to the outer side of the signal transmission protective layer and an armor layer arranged on the outer side of the inner sheath, andan outer sheath is tightly attached to the outer side of the armor layer. According to the invention, the compression resistance and stability of the cable are improved, and the waterproofness of thecable is also improved; and the production time is saved, and the working efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a longitudinal watertight composite cable. Background technique [0002] Cable is the main facility for power transmission and signal transmission, and with the development of science and technology, the application environment of cables is diverse, some are in plateau areas, some are in oceans, in order to meet the needs of different environments, it is necessary to adapt to temperature, waterproof, Corrosion and other environments. Submarine power cables are the cables with the highest requirements on cable performance. Deep-sea cables have high requirements for water tightness due to long-term immersion in water. It is necessary to prevent the biting of marine organisms, and long-term immersion in the seabed must not emit harmful substances to pollute the seawater and affect the seawater environment. [0003] At present, a large amount of energy mining requires electricity an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/00H01B7/02H01B7/14H01B7/17H01B7/18H01B7/28H01B7/285H01B7/36H01B1/02
CPCH01B1/02H01B7/0045H01B7/0216H01B7/0291H01B7/14H01B7/17H01B7/18H01B7/1805H01B7/186H01B7/1875H01B7/189H01B7/1895H01B7/28H01B7/2813H01B7/285H01B7/361H01B7/365Y02A30/14
Inventor 吴仁和陈卫华徐健
Owner QUANXING CABLE JIANGSU
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