Environment-friendly cable

Abstract

The environment-friendly cable comprises wire cores and a cable core, wherein each wire core comprises a conductor and a fireproof layer, and an inner fireproof insulating layer and an outer fireproofinsulating layer wrap outside the cable core. A plurality of wire cores are twisted to form the cable core, and a heat insulation layer, a fireproof layer, an armor layer and an outer sheath are sequentially wrapped outside the cable core, and cable core gaps are filled with alkali-free glass ropes. The fireproof layer is a graphite synthetic mica tape made of graphene, and the inner fireproof insulating layer and the outer fireproof insulating layer are formed by wrapping the inner insulating layer and the outer insulating layer made of different materials. The cable is excellent in fireproof performance. The smooth conduction of an internal circuit of the cable can be ensured when a fire occurs. The graphite synthetic mica tape prepared from graphene is adopted to replace a traditionalmanual synthetic mica tape so as to fundamentally eradicate fluorine contained in the mica tape.

Description

technical field [0001] The invention belongs to the technical field of electric wires and cables, in particular, it is an environment-friendly cable. Background technique [0002] With the rapid development of the economy, the demand for wires and cables is also increasing, and their performance requirements such as fire prevention, low smoke, and halogen-free are also increasing. At present, the production process of fireproof cables is basically artificially synthesized by wrapping the conductor outside. The way of the mica tape, which contains fluorine element, in case of fire, the fluorine-containing gas after burning will reduce the escape rate of personnel, [0003] For some cables installed or laid in densely populated areas, the fire performance requirements are higher. There are many defects in the fireproof layer or insulation layer of the existing cable wrapping, which is easy to cause fire accidents. On the other hand, conventional cables have serious During use...

AI Technical Summary

Problems solved by technology

[0003] For some cables installed or laid in densely populated areas, the fire performance requirements are higher. There are many defects in the fireproof layer or insulation layer of the existing cable wrapping, which is easy to cause fire accidents. On the other hand, conventional cables have serious Pollution, in the process of use, will produce harmful substances such as lead, cadmium, halide

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