Compact intelligent sensing composite cable

A technology of intelligent sensing and composite cables, which is applied in the direction of power cables, insulated cables, and power cables including optical transmission components, etc., and can solve problems such as the difficulty of accurately locating fault detection distances

Active Publication Date: 2021-05-14
JIANGSU DONGQIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the power cables are often buried and have great concealment, it brings great difficulty to the detection of faults and the accurate positioning of distances

Method used

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  • Compact intelligent sensing composite cable
  • Compact intelligent sensing composite cable
  • Compact intelligent sensing composite cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: The components by weight of the heat conduction filling paste 94 are: heat conduction oil 72%, gelling agent 20%, oil separation inhibitor 4%, antioxidant 1.5%, defoamer 0.0018%, and the rest is water absorbing agent. The above-mentioned heat transfer oil is synthetic heat transfer oil, the gelling agent is fumed silica, the antioxidant is alkylphenol antioxidant, the oil separation inhibitor is ethylene propylene rubber or rubber, the water absorbing agent is silica gel, and the defoaming agent is emulsified silicone oil.

Embodiment 2

[0035] Embodiment 2: The components in weight percent of the heat conduction filling paste 94 are: heat conduction oil 72.5%, gelling agent 18%, oil separation inhibitor 5%, antioxidant 2%, defoamer 0.002%, and the rest is water absorbing agent. The above-mentioned heat-conducting oil is synthetic heat-conducting oil, the gelling agent is fumed silica, the antioxidant is alkylphenol antioxidant, the oil separation inhibitor is a double-block polymer, the water-absorbing agent is silica gel, and the defoaming agent is emulsified silicone oil.

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Abstract

The invention discloses a compact intelligent sensing composite cable, a conductor cable core is composed of a central conductor and a tile-shaped conductor, a conductor shielding layer, an insulating layer and an insulating shielding layer are arranged outside the cable core, and communication optical fibers are inserted among metal wires of a metal wire shielding layer in a shielding structure; an isolation sleeve is arranged on the shielding structure, a steel wire armor layer is arranged outside the isolation sleeve, and a temperature measuring optical fiber is inserted in a steel wire of the steel wire armor layer; the temperature measuring optical fiber comprises a temperature measuring fiber core, a temperature measuring cladding and a heat conducting layer, and heat conducting filling paste is filled between the heat conducting layer and a metal outer tube; the heat conducting filling paste comprises the following components by weight percentage: 18%-20% of a gelling agent, 3%-5% of an oil separation inhibitor, 1%-2% of an antioxidant, 2%-2.5% of a water absorbent, 0.0015%-0.002% of a defoaming agent and the balance heat conduction oil. The cable can realize real-time intelligent monitoring of cable power load operation conditions, ensures synchronization of power supply, communication and on-line monitoring, and has the advantages of reasonable structure and reliable use.

Description

technical field [0001] The invention belongs to the technical field of power cables, and in particular relates to a power cable capable of transmitting electric energy and information and monitoring operating temperature in a timely manner. Background technique [0002] Power cables are cables used to transmit and distribute electric energy. Power cables are widely used in urban underground power grids, railway power lines, internal power supply in industrial and mining enterprises, and underwater power transmission lines in rivers and seas. The continuous expansion of the application field of power cables has also made the laying environment of power cables more complicated. Power cables have developed from simple power transmission to multi-functional and multi-purpose. functions such as water and moisture resistance, and requires both the transmission of power and the role of communication information. Especially with the acceleration of the development of smart grid con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/32H01B7/42H01B7/22H01B9/00H01B9/02G01K1/14G01K11/32G01K1/08
CPCH01B7/324H01B7/428H01B9/005H01B9/02H01B7/22G01K1/14G01K11/32
Inventor 王子纯吴荣美徐亚东唐秀芹何云娟陈彩云
Owner JIANGSU DONGQIANG
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