电力通信用非金属耐火光缆的设计与优化  

Design and Optimization of Non-metallic Fire-Resistant Optical Cables for Electric Power Communication

作　　者：赵静[1] 缪小明[1] 缪威玮 徐建秋 钱慧慧[1] 谭枫 ZHAO Jing;MIAO Xiaoming;MIAO Weiwei;XU Jianqiu;QIAN Huihui;TAN Feng(Jiangsu Zhongtian Technology Co.,Ltd.,Nantong 226463,China)

机构地区：[1]江苏中天科技股份有限公司,南通226463

出　　处：《电线电缆》2023年第2期8-10,15,共4页Wire & Cable

摘　　要：通过分析传统的非金属耐火光缆的结构,提出了一种将耐火层直接被覆在松套管外的耐火光单元设计,保证了非金属光缆在750℃的火焰温度下燃烧90 min及冷却15 min过程中线路的完整性。同时基于耐火光单元的设计,对非金属耐火光缆结构进行了优化,光缆外径更小、线缆质量更轻,可为电力、铁路、隧道、矿井及数据中心等特殊场景用非金属耐火光缆设计提供参考。The traditional structure of non-metallic fire-resistant optical cables was analyzed,and a design of fireresistant optical unit that directly covers the refractory layer outside the loose tube was innovatively proposed,which ensured the circuit integrity of non-metallic optical cables during 90 min combustion and 15 min cooling at 750℃flame temperature.And based on the design of the fire-resistant optical unit,the structure of the non-metallic fireresistant optical cables was optimized.The outer diameter of the optical cables was smaller,the mass was lower,which can provide reference for the design of the non-metallic fire-resistant optical cable in special scenes such as power,railway,tunnel,mine,data center and so on.

关 键 词：非金属 耐火光单元 耐火光缆 结构优化 

分 类 号：TN913.33[电子电信—通信与信息系统]