Fireproof composite cable

Abstract

The invention discloses a fireproof composite cable, which comprises a cable body formed by splicing more than one outer sheath layer and more than one connecting pieces, wherein the connecting piecesare arranged between adjacent outer sheath layers; each outer sheath layer is in fixed contact with the end surfaces of the corresponding connecting pieces; more than one cavity is disposed on the outer sheath layer and surround the outer sheath layer; each cavity is filled with an expansion body; each expansion body is filled with an inert gas; the bottom of each expansion body is provided witha bottom plate layer; more than one compression spring is arranged at the bottom of each bottom plate layer; the bottom of each compression spring is fixedly connected with the bottom surface of the cavity; and the outer end side of each expansion body is provided with a heat conducting piece. The fireproof composite cable, by using a method of thermal expansion, jets out the inert gas and a partof a fire extinguishing agent when there is a fire source in order to quickly extinguish the flame on the outer sheath layer and the surrounding flame, and can achieve one-side jet to realize slow rotation in order to well stay away from the fire source and well extinguish the fire.

Description

technical field [0001] The invention relates to a cable, in particular to a fireproof composite cable. Background technique [0002] Cables are installed in many occasions, and some indoor cables are generally hung and exposed on the ceiling. However, when there is a fire source, the outer layer of the cable is directly damaged, resulting in damage to the inner core wire. The current cables are provided with a fireproof structure to prevent fire, but despite the fireproof structure of the cable, if the flame on the cable cannot be extinguished in time, the cable will still be burned eventually, resulting in serious economic losses. Contents of the invention [0003] The technical problem to be solved by the present invention is a fireproof composite cable, which can immediately extinguish the fire source on the outer layer of the cable when there is a fire source, so that it can be quickly escaped from danger, has very good fire safety performance, and effectively solves t...

AI Technical Summary

Problems solved by technology

[0002] Cables are installed in many occasions, and some indoor cables are generally hung and exposed on the ceiling. However, when there is a fire source, the outer layer of the cable is directly damaged, resulting in damage to the inner core wire. The current cable is equipped with a fireproof structure to prevent fire, but despite the fireproof structure of the cable, if the flame on the cable cannot be extinguished in time, the cable will eventually be burned, resulting in serious economic losses

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