Novel high-strength fireproof flame-retardant power cable

Abstract

The invention relates to a novel high-strength fire-resistant flame-retardant power cable, which comprises a plurality of wires arranged in the circumferential direction, and the plurality of wires are jointly sleeved with an inner protection layer. The inner protection layer is sleeved with a flame-retardant layer, the flame-retardant layer is sleeved with an outer protection layer, a plurality of fire extinguishing assemblies are arranged in the outer protection layer in the circumferential direction of the outer protection layer, and each fire extinguishing assembly comprises a first partition film and a fire extinguishing cavity. According to the cable, the spreading speed of flames can be reduced after a fire occurs, the fire range is limited, the problem that other electrical equipment is ignited and damaged due to the fact that a combustion area is rapidly expanded is prevented, meanwhile, fire extinguishing is rapidly conducted through the fire extinguishing assembly when the fire begins, and the effect of effectively improving the fire-resistant and flame-retardant performance of the cable is achieved.

Description

technical field [0001] The present application relates to the field of power cables, in particular to a novel high-strength fire-resistant and flame-retardant power cable. Background technique [0002] A cable is a power or signal transmission device, usually composed of several or groups of wires. Cables include power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables and so on. They are all composed of single or multi-strand wires and insulating layers, which are used to connect circuits, appliances, etc. Wire and cable manufacturing is completely different from how most electromechanical products are produced. For electromechanical products, parts are usually assembled into components, and multiple components are assembled into a single product. Products are measured by the number of units or pieces. Wires and ca...

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Problems solved by technology

[0006] In order to solve the problem that the fire resistance and flame retardancy of the existing power cables are poor, and the burning area cannot be effectively limited after a fire occurs near the cable or the cable, resulting in the expansion of the fire, causing other electrical equipment to be ignited and damaged, and easily causing secondary hazards. This application provides a new type of high-strength fire-resistant and flame-retardant power cable

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