High-flame-retardant multi-layer cable

Abstract

The invention discloses a high-flame-retardant multilayer cable. The cable comprises a cable core main body and an auxiliary mechanism, a first flame-retardant mechanism is arranged outside the cable core main body, a second flame-retardant mechanism is arranged outside the first flame-retardant mechanism, the auxiliary mechanism is composed of a metal net pipe, an inner sleeve, latex paint and mint fibers, the metal net pipe sleeves the cable core main body, the outer wall of the metal net pipe is sleeved with an inner sleeve, the outer wall of the inner sleeve is coated with the latex paint, and the latex paint is filled with the mint fibers. Through the arrangement of the metal net pipe, the inner sleeve, the latex paint and the mint fibers, a mouse can bite the inner sleeve coated with the latex paint when biting the cable, and the mouse cannot quickly damage the metal net pipe due to the fact that the toughness of the metal net pipe is high; at the moment, mint factors in the mint fibers can emit thick mint smell through the bite part of the cable, so that the mouse which bite the metal net pipe are repelled, and the protection performance of the cable is improved.

Description

Technical field [0001] The present invention relates to the field of cable, and more particularly to a high flame retardant multilayer cable. Background technique [0002] The cable is a power or signal transmission device, which is usually composed of a single strand or a multi-strand wire and an insulating layer, used to connect the circuit and electrical appliances, etc. In order to improve the performance of the cable, there is now a flame retardant cable, which has a high burning point. This is a fire-fired cable, which does not produce any harmful gases even when burning, nor does it occur in secondary pollution. [0003] The cable used to be remotely transmitted is generally buried in the soil, but when such a cable is buried in the soil, there will be a bite of the mice, and the cable is biting by the mouse will cause damage to the cable. The mouse bites the internal copper core, and there will be leakage, resulting in a local short circuit in the cable that is biting b...

AI Technical Summary

Problems solved by technology

[0003] The current cables used for long-distance transmission are generally buried in the soil for use, but when this kind of cable is buried in the soil for use, it will be bitten by mice, and the cable will be damaged if the cable is bitten by mice. When the mouse bites the inner copper core, there will be a leakage of electricity, resulting in a partial short circuit at the cable bitten by the mouse, which will increase the temperature, and even cause the cable to burn in severe cases, thus reducing the cable life. protective performance

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