Flame-retardant cable, flame-retardant optical cable and flame-retardant optical fiber ribbon optical cable

Abstract

The invention belongs to the technical field of electric power and communication, and discloses a flame-retardant cable, which is provided with a plurality of conductors, a protection part and a central reinforcing part, and is characterized in that the protection part is of a special structure, the protection part is of an integrally formed integrated structure, the conductors are positioned in the protection part, and the central reinforcing part is positioned in the protection part. The invention further discloses a flame-retardant optical cable and a flame-retardant optical fiber ribbon optical cable. The cable and the optical cables have the following main advantages: the structure is simpler, the production is easier, the qualified rate of finished products is higher, the storage is easier, the assembly is more flexible, the heat dissipation is better, the stripping is more convenient, the assembly and maintenance are faster, the investment is less, the cost recovery is faster, and the product performance is more stable and more reliable.

Description

technical field [0001] The invention belongs to the technical field of electric power and communication, and in particular relates to a flame-retardant cable, a flame-retardant optical cable, and a flame-retardant optical fiber ribbon cable. Background technique [0002] In the prior art, the cable is composed of multiple insulated wires and a sheath covering the multiple insulated wires. In this way, the insulated wires are twisted or placed in parallel, and the twisted placement requires expensive twisting equipment, and Plants, personnel, electricity, etc. are all needed, and stranding will damage the conductors; parallel placement, the position is not fixed, the product quality is unstable, so it is very uneconomical, the cost recovery is slow, and it is inconvenient to strip, poor heat dissipation, difficult to assemble and maintain . [0003] In the prior art, the layer-stranded optical cable is composed of a central strength member and a plurality of loose tubes twis...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the cable is composed of multiple insulated wires and a sheath covering the multiple insulated wires. In this way, the insulated wires are twisted or placed in parallel, and the twisted placement requires expensive twisting equipment, and Plants, personnel, electricity, etc. are all needed, and stranding will damage the conductors; parallel placement, the position is not fixed, the product quality is unstable, so it is very uneconomical, the cost recovery is slow, and it is inconvenient to strip, poor heat dissipation, difficult to assemble and maintain

[0003] In the prior art, the layer-stranded optical cable is composed of a central strength member and a plurality of loose tubes twisted around the central strength member. There are optical fibers in the loose tube, and the loose tube is covered by the binding yarn. Sheath or protective layer, stranding placement requires expensive stranding equipment, and plant, personnel, electricity, etc., and the binding yarn will damage the loose tube and optical fiber when the temperature changes, so it is very uneconomical and the cost recovery is slow. And it is inconvenient to peel off, difficult to assemble and maintain

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