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High-temperature-resistant fireproof cable

A fire-resistant cable and high-temperature-resistant technology, which is applied in the direction of insulated cables, power cables, cables, etc., can solve the problems of cables with general high-temperature resistance, low cable strength, and cable damage, etc., and achieve good insulation effects, good electrical conductivity, and maintain transmission safe effect

Inactive Publication Date: 2016-01-20
CHENGDU JUZHI IND DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the existing cables have a general high temperature resistance effect, and the cables are easily damaged when they are bent during use, and the strength of the cables is low.

Method used

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  • High-temperature-resistant fireproof cable

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] refer to figure 1 As shown, a high-temperature-resistant fireproof cable includes a conductor copper core 1, a mica tape 2, a steel sheath 3 and a glass fiber sheath 4, the conductor copper core 1 is provided with more than one conductor copper core 1, and the conductor copper core 1 is spiral The conductor copper core 1, the mica tape 2 and the steel sheath 3 are arranged sequentially from inside to outside, the mica tape 2 is wound on the conductor copper core 1, and the glass fiber sheath 4 is arranged on the steel sheath 3. On the outer side, a rubber strip 5 is provided in the middle of the fiberglass sheath 4. When in use, the copper sheath 8 is installed in the working area, and the cable is bent under force, and the annular protrusion on the copper sheath 8 can be deformed. The cable will not be damaged, and at the same time, the rubber strip 5 can buffer the extrusion force between the conductor copper cores 1, and keep the conductor copper core 1 from being ea...

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Abstract

The invention discloses a high-temperature-resistant fireproof cable which comprises a conductor copper core, a mica tape, a steel sheath and a glass fiber sheath. More than one conductor copper core is arranged. The conductor copper core is spirally arranged. The conductor copper core, the mica tape and the steel sheath are successively arranged from inside to outside. The mica tape winds the conductor copper core. The glass fiber sheath sleeves the steel sheath. The middle part of the glass fiber sheath is provided with a rubber strip. A urethane foam sheath, a shielding sheath and a copper sheath are successively arranged outside the glass fiber sheath. The glass fiber sheath, the urethane foam sheath, the shielding sheath and the copper sheath are successively connected through adhering. The copper sheath surface is provided with annular projections. The high-temperature-resistant fireproof cable has advantages of compact structure, high strength, remarkable high-temperature resistance, long service life and high stability in electric power transmission.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a high-temperature-resistant fireproof cable. Background technique [0002] A cable refers to a wire that is made of one or more mutually insulated conductors and an outer insulating layer to transmit power or information from one place to another, usually consisting of several or several groups of wires (each group is at least two Roots) twisted cables similar to ropes, each group of wires are insulated from each other, and are often twisted around a center, the entire outside is covered with a highly insulating covering, the cable has the characteristics of internal energization and external insulation, Derivatives / new products of wire and cable are mainly due to different application occasions, different application requirements, convenience of equipment, and requirements for reducing equipment costs. New materials, special materials, or changes in product structure, or improve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/18H01B7/29H01B9/00H01B9/02
Inventor 文国栋
Owner CHENGDU JUZHI IND DESIGN