High-temperature phase change ceramic cable

A high-temperature phase change and cable technology, applied in ceramics, insulated cables, cables, etc., can solve the problems of easy cracks, poor high temperature resistance, easy to release toxic gases, etc. Effect

Inactive Publication Date: 2016-11-23
DONGGUAN CHENGTIANTAI WIRE & CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention aims to solve the shortcomings of existing cables such as poor high temperature resistance, easy release of toxic gas, and easy occurrence of cracks, and provides a high-temperature phase-change ceramic cable

Method used

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Examples

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Embodiment Construction

[0018] In order to make those skilled in the art understand the present invention more clearly, the present invention will now be described in detail in conjunction with specific embodiments.

[0019] The high-temperature phase-change ceramic cable of the present invention mainly includes a conductor, a high-temperature phase-change insulating layer, a porous alumina-aluminum layer and a high-temperature-resistant ceramic layer wrapped in turn on the outside of the high-temperature phase-change insulating layer. Of course, users can coat other materials on the outer layer of the high-temperature phase-change ceramic cable, such as shielded copper mesh, high-temperature resistant sheath, etc., as required. Therefore, the following examples are only to further explain and illustrate the present invention, and do not mean to limit the protection scope of the present invention.

[0020]The high-temperature insulating layer is mainly formed by mixing and coating silicon nitride fin...

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Abstract

The invention discloses a high-temperature phase change ceramic cable, which comprises a conductor and an insulation layer. The high-temperature phase change ceramic cable is characterized in that the insulation layer is a high-temperature phase change insulation layer, and a porous aluminium oxide-aluminum layer and a high-temperature resistance ceramic layer successively cover the outer side of the insulation layer. The high-temperature phase change ceramic layer disclosed by the invention is subjected to phase change under a high temperature condition, has self-healing performance, has a firm structure and strong high-temperature resistance capability, and is unlikely to generate poisonous and harmful gas during fire hazards.

Description

technical field [0001] The invention relates to the field of cables, in particular to a high-temperature phase-change ceramic cable. Background technique [0002] Power cables are cables used to transmit and distribute electric energy. In the process of use, mechanical damage, insulation damage, insulation damp, insulation aging and deterioration, overvoltage, cable overheating and other faults often occur, and dangers such as leakage occur. When a fire breaks out in a high-rise building, the existing cables often have many disadvantages because they are not resistant to high temperatures. On the one hand, the power supply cannot be continued after the cable is damaged, resulting in the failure of many fire-fighting equipment; on the other hand, the burning of the cable will promote the spread of the fire and produce a large amount of toxic and harmful gases, which will aggravate the hazards of the fire. It can be seen that it is imperative to provide a cable with high temp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/29H01B7/295H01B3/12
CPCH01B3/12H01B7/29H01B7/295
Inventor 侯惠初侯晓锐
Owner DONGGUAN CHENGTIANTAI WIRE & CABLE CO LTD
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