Self-bearing anti-tension optical fiber composite cable

Abstract

The invention discloses a self-bearing anti-tension optical fiber composite cable. The cable comprises an inner conductor, an insulating layer, a shielding layer, an outer conductor and an outer sheath from inside to outside. The inner conductor is formed by stranding of a central bearing core and a plurality of inner conductor conductive single wires which surround the bearing core with the bearing core serving as a circular center; a metal anti-tension pipe is arranged between the insulating layer and the shielding layer. The outer conductor is formed in such a manner that a plurality of anti-tension metal wires are parallelly wound and then are combined with at least one optical fiber unit. The integral cable is of a total-symmetric structure, is high in self-bearing and anti-tension performance, is good in pressing resistance, moisture prevention and sealing performance, is low in attenuation, is good is shielding effect and simultaneously has signal transmission and control effects, so that the unicity of a conventional cable is changed.

Description

Technical field [0001] The invention relates to the field of electric wires and cables, in particular to a self-supporting tensile optical fiber composite cable. Background technique [0002] Today's world has entered the information age, and information has become a strategic resource for economic development and a unique production factor. It is a modern information transmission system and a complete information service system established by combining long-distance communication networks, computers, video and other multimedia terminals. It has become an important indicator of the degree of economic development of a country or region. Fiber optic cables are an important variety in information transmission, mainly used as antenna feeders for radio transmitting or receiving equipment, and internal wiring or interconnecting lines for various communication and electronic equipment. Coaxial cable is composed of inner conductor layer, insulation layer, outer conductor layer and sheat...

AI Technical Summary

Problems solved by technology

The coaxial cable is composed of inner conductor layer, insulating layer, outer conductor layer and sheath layer. The inner conductor layer and outer conductor layer are usually small in section and have poor self-supporting performance, especially when the cable is used under the working condition of not being buried in the ground. , due to poor load-bearing performance, the weight of the cable itself will cause the cable conductor to break, and it is also easy to damage the small cable conductor during construction

In the prior art, the support frame is used to support the cable, and the coaxial cable is protected by adding a support frame, which has a certain effect, but increases the laying cost and time, and the cable itself has poor load-bearing performance, and it is inevitable during the construction process. The problem of damage to the core of the cable caused by careless operation

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