Power transmission optical cable

Abstract

The invention discloses a power transmission optical cable. The power transmission optical cable comprises a filling layer provided with an optical fiber assembly and electrical lines which are arranged in the filling layer; the filling layer is coated with an isolation layer; the isolation layer is covered with a PE outer sheath; the optical fiber assembly includes a loose bushing; a fiber paste layer is arranged in the loose bushing; and optical fibers of which the surfaces are coated with an optical fiber surface coating adhesive are arranged in the fiber paste layer. The optical fiber surface coating adhesive is composed of the following raw materials in parts by weight: 25 to 30 parts of organic silicone rubber; 5 to 10 parts of high-molecular weight polyisobutylene; 5 to 10 parts of medium-molecular weight polyisobutylene, 10 to 15 parts of low-molecular weight polyisobutylene; 10 to 15 parts of inorganic filler; 0.5 to 1 part of antioxidant; 5 to 10 parts of glass fibers; and 5 to 10 parts of silicate.

Description

technical field [0001] The invention relates to an optical cable structure, in particular to a power transmission optical cable. Background technique [0002] Optical cable is a light transmission tool that achieves the principle of total reflection of light in fibers made of glass or plastic. An optical cable is a communication line in which a certain number of optical fibers form a cable core in a certain way, and is covered with a sheath, and some are also covered with an outer sheath to realize optical signal transmission. In the prior art, the optical fiber is arranged in the loose tube, and at the same time, fiber paste is added to the loose tube. The fiber paste is indispensable in the production of central tube type and layer-stranded optical cables, and plays a role of sealing, stress resistance and buffering function, but it does not have the effect of heat insulation; in the prior art, in order to combine the optical fiber and the transmission line, the marke...

AI Technical Summary

Problems solved by technology

In the prior art, the optical fiber is arranged in the loose tube, and at the same time, fiber paste is added to the loose tube. The fiber paste is indispensable in the production of central tube type and layer-stranded optical cables, and plays a role of sealing, stress resistance and buffering function, but it does not have the effect of heat insulation; in the prior art, in order to combine the optical fiber and the transmission line, the market has begun to develop the optical fiber transmission cable, which combines the optical cable and the transmission cable, but because the electric wire in the transmission cable is in the In the process of transmitting current, it is necessary to overcome its own resistance and generate a lot of heat, so the heat will affect the transmission performance of the optical fiber, so the existing power transmission optical cable needs to overcome the above important problems

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