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Flexible fireproof cable

A fire-resistant cable, flexible technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problems of increasing the difficulty of installation and laying, poor flexibility of cables, and affecting the safety of electricity use, so as to ensure low-smoke and halogen-free resistance Combustibility, high mass production efficiency, and high product value

Active Publication Date: 2015-08-05
宝胜(宁夏)线缆科技有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the technology is advancing with each passing day, there are still some limitations in the time, temperature and effect of fireproof cables with mineral protective layers. Difficulty of installation and laying

Method used

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Embodiment Construction

[0033] The flexible fireproof cable includes a cable core and a sheath. The cable core is twisted by a number of insulated cores. The insulated core is composed of a conductor 1 and a fire-proof insulating layer placed on the outer layer of the conductor. The conductor is twisted by annealed copper wire and aluminum wire or twisted by annealed copper wire and aluminum alloy wire. The sheath is made of halogen-free low-smoke flame-retardant polyolefin sheath material, which is made by extruding a tube.

[0034] The fire insulation layer is a composite double-layer insulation structure, which is composed of three-in-one fluorophlogopite mica tape 2 wrapped around the outer layer of the conductor, and an insulating layer 3 extruded and wrapped around the outer layer of the three-in-one fluorophlogopite mica tape. The three-in-one fluorophlogopite tape is made of artificial mica added between two layers of glass cloth, and the insulating layer is made of cross-linked polyethylene ...

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Abstract

A flexible fireproof cable belongs to the technical field of cables. The flexible fireproof cable comprises a cable core and a sheath. The cable core is formed by stranding a plurality of insulated wire cores. Each insulated wire core is composed of a conductor and a fireproof insulating layer. The flexible fireproof cable is characterized in that the fireproof insulating layers are of a composite double-layer insulating structure, a polymer composite ceramic polyolefin material is arranged in an extruding manner outside the cable core as a fireproof protective layer, and the sheath is arranged outside the fireproof protective layer. The materials of the flexible fireproof cable are halogen-free and environment-friendly materials which have no pollution to the environment and meet the requirement of modern people for environmental awareness. The fireproof layer of the cable is made of 'polymer composite ceramic polyolefin' which is a novel material, so that the outer diameter, manufacturing cost and production cycle of the cable are reduced and the production efficiency is improved under the condition of ensuring that the cable has the same fireproof performance. Moreover, the structure of the fireproof layer can form a hard shell after combusted at high temperature, so that a line can be protected from damage by stress, and the cable is enabled to work normally for a long period of time under the action of flame.

Description

technical field [0001] The invention relates to a cable, in particular to a flexible fireproof cable, which belongs to the technical field of cables. Background technique [0002] The continuous development and application of electric energy is a double-edged sword. On the one hand, it brings irreplaceable advantages to people. On the other hand, people must always be alert to the occurrence of fire. Regardless of the need for relevant regulations or changes in people's thinking, safe use of electricity has become a common topic of the times, and fire-resistant cables with mineral protective layers have emerged as the times require. Although the technology is advancing with each passing day, there are still some limitations in the time, temperature and effect of fireproof cables with mineral protective layers. Difficulty in installation and laying. Contents of the invention [0003] The object of the present invention is to address the shortcomings of the above-mentioned...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/04H01B7/29H01B7/295H01B7/288
CPCY02A30/14
Inventor 刘彦军何剑孙宏月谭及兰宋敬涛
Owner 宝胜(宁夏)线缆科技有限公司
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