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Flexible fireproof cable

A fireproof cable, flexible technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problems affecting the bending radius of cables, etc., and achieve the effect of superior performance, good flexibility, and large bending radius

Inactive Publication Date: 2015-04-22
四川鑫电电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Existing fire-resistant cables all adopt copper sheath structure, which seriously affects the bending radius of the cable. Although there is a significant improvement, there is still a lot of room for improvement in the bending radius and fireproof quality.

Method used

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  • Flexible fireproof cable

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Embodiment Construction

[0026] The present invention will be further elaborated below in conjunction with the accompanying drawings.

[0027] Such as figure 1 A flexible fireproof cable is shown, which includes a cable core formed by twisting four wire cores, a filling layer 5 is arranged at the center of the four wire cores, and an inner lining layer is arranged on the cable core from inside to outside 2. The second wrapping layer 3 and the outer sheath 4, the inner lining layer 2 is formed by extrusion of mineral ceramic powder and silicon rubber, the second wrapping layer 3 is a glass fiber tape, and the outer sheath 4 Made of low-smoke, halogen-free, flame-retardant polyolefin, the wire core includes a conductor 11, and the conductor 11 is provided with a refractory layer 12, an insulating layer 13 and a first wrapping layer 14 in sequence from the inside to the outside. Layer 12 is formed by wrapping inorganic mineral insulating tape, the insulating layer 13 is made of cross-linked polyethylene...

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Abstract

The invention discloses a flexible fireproof cable. The flexible fireproof cable comprises a cable core formed by stranding four wire cores, a filling layer is arranged at the center position of the four wire cores, the cable core is sequentially provided with a liner layer, a second wrapping layer and an outer protective sleeve from inside to outside, the liner layer is formed by mineral ceramic powder and silicon rubber in an extrusion mode, the second wrapping layer is a glass fiber belt, the outer protective sleeve is made of low-smoke halogen-free flame-retardant polyolefin, each wire core comprises a conductor, and each conductor is sequentially provided with a fireproof layer, an insulating layer and a first wrapping layer from inside to outside. The flexible fireproof cable has the advantages that the cable is better in performance compared with a traditional cable, the using requirement of the fireproof cable can be met better, and the cable can be widely applied to places having a high fireproof and fire-resistant level requirement.

Description

technical field [0001] The invention relates to a power cable, in particular to a flexible fireproof cable. Background technique [0002] A cable is usually made of several wires or groups of conductors (at least two per group) twisted around a center, which is shaped like a rope and covered with a high degree of insulation. [0003] Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or multi-strand wires and insulation layers, and are used to connect circuits, electrical appliances, etc. [0004] With the enhancement of people's awareness of environmental protection and fire safety, the application field of fire-proof and fire-resistant cables is gradually expanding. Fireproof and fire-resistant cables can ensure the smooth flow of power and communication wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/04H01B7/29H01B7/295H01B7/02
Inventor 魏英毛传岚崔天峰李准
Owner 四川鑫电电缆有限公司
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