Special instrument circuit cable for high-flame retardant ship

一种高阻燃船用特种仪表回路电缆

Abstract

本实用新型涉及一种高阻燃船用特种仪表回路电缆,其特征在于:导体、交联聚乙烯(XLPE)绝缘层、填充绳、包带、内护套、铠装层和外护套;其中,所述交联聚乙烯(XLPE)绝缘层包在导体外构成线芯,两线芯绞合成对绞线组;所述包带包裹着四组对绞线组,且填充绳填充各对绞线组之间的空隙;所述包带外依次包有内护套、铠装层和外护套;所述导体为镀锡铜导体或裸铜导体;所述铠装层为镀锡铜丝、裸铜丝或镀锌钢丝编织铠装层;所述内护套、外护套均由阻燃环氧丙烷(ZR-PO)或阻燃聚烯烃(ZR-XLPO)材料制成。本实用新型设置了内外双层护套,使得本仪表电缆具有高阻燃性能、在直接燃烧的情况下,仍能维持尽可能长的工作时间。
The utility model relates to a special instrument circuit cable for a high-flame retardant ship, which is characterized by a conductor, a cross-linked polyethylene (XLPE) insulation layer, a filling rope, a tape, an inner sheath, an armored layer and an outer sheath, wherein the cross-linked polyethylene (XLPE) insulation layer is wrapped outside the conductor to form a wire core, and two wire cores are intertwisted into a twisted pair winding; the tape wraps four groups of twisted pair windings, and the filling rope fills gaps among all the twisted pair windings; the inner sheath, the armored layer and the outer sheath are sequentially wrapped outside the tape; the conductor is a tinned copper conductor or a bare copper conductor; the armored layer is woven from tinned copper wires, bare copper wires or tinned steel wires; and the inner sheath and the outer sheath are made of flame-retardant epoxy propane (ZR-PO) or flame-retardant polyolefin (ZR-XLPO) material. Because of the inner sheath and the outer sheath, the instrument cable has high flame-retardant performance, and can still maintain working time as long as possible under the circumstance of direct burning.

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Cited By (4)

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