Non-metal armoring enhancement type self-supporting optical fiber cable

Abstract

The invention discloses a non-metal armoring enhancement type self-supporting optical fiber cable. The optical fiber cable comprises a center reinforcing piece, loose tubes, a polyester belt, a GFRP (glass fiber reinforced plastic) layer and an outer protection layer, wherein a plurality of loose tubes are stranded on the periphery of the center reinforcing piece; single-core or multi-core optical fibers are arranged in the loose tubes filled with fiber paste; the polyester belt is longitudinally covered with the outer protection layer; the GFRP layer is stranded in the polyester belt. According to the non-metal armoring enhancement type self-supporting optical fiber cable, the design concept of a traditional metal armoring optical fiber cable is abandoned, an ADSS (all-dielectric self-supporting optic fiber cable) structure is used for reference creatively, the GFRP is arranged outside the cable for armoring, GFRP stranded armoring is performed on an inner layer of the ADSS structure, or a GFRP armoring layer is longitudinally covered with a glass fiber woven belt, so that the performance of rodent biting prevention and bird pecking prevention is achieved.

Description

technical field [0001] The invention relates to a self-supporting optical cable used on electric power overhead lines, in particular to a non-metal armored enhanced self-supporting optical cable. Background technique [0002] Optical cable erection lines often pass through areas with rodents and dense forests and birds. Usually, optical cables in such areas will be bitten by rats and pecked by birds for a period of time after laying, resulting in damage to the optical cable. [0003] At present, a certain proportion of anti-rodent functional material is usually added to the outer sheath material of the optical cable to achieve the anti-rat bite function or an optical cable with a steel tape armored structure is used. However, as time goes by, the rats gradually adapt to the taste of the additive, and their fear will gradually decrease, and they will also bite the optical cable and cause damage. For the optical cable with steel tape armor structure, after the mouse gnaws per...

AI Technical Summary

Problems solved by technology

However, as time goes by, the rats will gradually reduce their fear of the taste of additives, and they will also bite the optical cable and cause damage.

For the optical cable with steel tape armor structure, after the mouse gnaws persistently and destroys the outer sheath, some steel tapes are not thick enough and are quickly bitten by mice, or the steel tape is directly exposed in the air. After the steel strip is oxidized, it will rust, and the inner structure of the optical cable will also be destroyed

In addition, the weight of the optical cable with steel tape armor structure and the metal content are not conducive to the overhead laying of power lines.

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