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Flame scouring prevention cable

A flame-proof and cable-proof technology, which is applied in the direction of insulating cables, cables, circuits, etc.

Inactive Publication Date: 2012-08-22
安徽宏源特种电缆集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects of the prior art, the purpose of the present invention is to provide a kind of anti-flame scour cable, to solve the problem that the cable used in the occasion of repeated short-term exposure to the high-temperature flame scour of the jet engine will not be damaged, and the service life of the cable will be extended. Eliminate unsafe hidden dangers in the use of cables and ensure safe and reliable operation of cables

Method used

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Embodiment

[0014] Example: see figure 1 , the insulated wire core is composed of a conductor 1 and an insulating layer 2 covering the outer layer of the conductor 1 . In the middle of the cable, several insulated wire cores are stranded to form a cable core, and the outer layer of the cable core is covered with a sheath 3, a shielding layer 4, a heat insulating layer 5 and a protective layer 6 in turn; the heat insulating layer 5 is composed of several The outer layer of the shielding layer 4 is formed by arranging closely to each other and winding ceramic fiber cotton. The protective layer 6 is made of quartz fiber woven and coated with high temperature resistant adhesive.

[0015] The design principles of the cable of the present invention are: first, the main function of the heat insulating layer 5 is to block most of the external high heat of the cable, and prevent the high heat from damaging the inside of the cable. When the cable is working, it will be washed by the high-temperat...

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Abstract

The invention discloses a flame scouring prevention cable, wherein a plurality of insulated wire cores are twisted into a cable core, and a sheath, a shielding layer, a heat insulation layer and a protection layer are sequentially coated at the outer layer of the cable core; and the heat insulation layer is formed in a way that a plurality of pieces of ceramic fiber cotton are closely arranged and wound at the outer layer of the shielding layer. The flame scouring prevention cable used in an occasion with the scouring of high-temperature flames sprayed by a jet engine repeatedly in a short time is not damaged, and therefore, the service life of the cable is prolonged, the potential safety hazard when the cable is used can be eliminated, and the safety and the reliability when the cable is in work can be ensured.

Description

Technical field: [0001] The invention relates to a cable, in particular to a flame-scouring-proof cable. Background technique: [0002] The anti-flame scour cable is mainly used in occasions where it is subjected to repeated short-term high-temperature flame scour from jet engine jets. Ordinary cables cannot withstand the scour of high-temperature flames. After being scoured by high-temperature flames from jet engines, the outer sheath will be burned, or even burned, and even spread to the internal structure of the cable, resulting in scrapped cables, short service life, frequent replacement, and waste. It is very large, and there are great potential safety hazards, which can easily cause system accidents. Therefore, it is necessary to seek a cable that is resistant to repeated short-term flame erosion and is not affected by normal use, prolongs the service life of the cable, avoids the trouble of repeated replacement, and reduces unnecessary waste. The most important thing...

Claims

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Application Information

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IPC IPC(8): H01B7/17H01B7/29
Inventor 姜绪宏宋守清王彦李丰庆姜绪波李才有
Owner 安徽宏源特种电缆集团有限公司