发布时间：2023.08.23 新闻来源：环市珠江电缆实业有限公司 浏览次数：

护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)是(shi)指带有(you)护(hu)(hu)(hu)(hu)套(tao)(tao)层(ceng)的(de)(de)(de)单芯(xin)或多(duo)芯(xin)电线(xian)(xian)(xian)(xian)，带护(hu)(hu)(hu)(hu)套(tao)(tao)的(de)(de)(de)较安全。说白了(le)，咱们最常用(yong)的(de)(de)(de)“护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)”，一(yi)(yi)层(ceng)白色(se)聚氯(lv)乙烯护(hu)(hu)(hu)(hu)套(tao)(tao)，里边套(tao)(tao)着(zhe)几根BV线(xian)(xian)(xian)(xian)。这种线(xian)(xian)(xian)(xian)一(yi)(yi)般(ban)是(shi)铜芯(xin)导(dao)线(xian)(xian)(xian)(xian)，除(chu)了(le)导(dao)线(xian)(xian)(xian)(xian)外面有(you)一(yi)(yi)层(ceng)绝缘层(ceng)外，导(dao)线(xian)(xian)(xian)(xian)外面还有(you)一(yi)(yi)层(ceng)保护(hu)(hu)(hu)(hu)层(ceng)。常用(yong)的(de)(de)(de)护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)有(you)RVV、BVV、RVVB、bvvb这几种类型(xing)。护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)的(de)(de)(de)可分为(wei)(wei)硬护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)和软护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)两种。依据使(shi)用(yong)环境和形状分为(wei)(wei)圆护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)和扁护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)，圆护(hu)(hu)(hu)(hu)套(tao)(tao)线(xian)(xian)(xian)(xian)一(yi)(yi)般(ban)的(de)(de)(de)是(shi)多(duo)芯(xin)，扁的(de)(de)(de)一(yi)(yi)般(ban)是(shi)单芯(xin)。

电线电缆中BV、BLV等符号意义

这些符号(hao)都是(shi)电线(xian)的一(yi)些类(lei)型(xing)，B系(xi)列(lie)归类(lei)归于布(bu)电线(xian)，所以最初用B，电压：300/500V 电线(xian)按用处分为(wei)电磁线(xian)和(he)通用绝缘电线(xian)。绝缘电线(xian)又(you)称为(wei)布(bu)电线(xian)。

绝缘(yuan)电线（布(bu)电线）是指包覆绝缘(yuan)层的(de)电线，包含各种(zhong)衔接(jie)线、装置(zhi)线。

V便是PVC聚氯(lv)乙烯，也便是（塑料） 

L便(bian)是(shi)铝(lv)芯(xin)的代(dai)(dai)码 T便(bian)是(shi)铜芯(xin)的代(dai)(dai)码（一般省(sheng)掉(diao)不写）

R便是(shi)(软)的意(yi)思，要(yao)做到(dao)软，便是(shi)添加导体(ti)根数(shu) 

BV铜(tong)芯聚氯乙烯绝缘电线(xian) 

BLV铝(lv)芯聚氯乙烯(xi)绝缘电(dian)线 

BVR铜芯聚(ju)氯乙烯(xi)绝缘软(ruan)电线 以上电线结构：导体(ti)+绝缘 

拿(na)2.5mm2为(wei)例(li)： 

BV是1根直径1.78mm和7根0.68两种 

BLV是1根直(zhi)径1.78mm

BVR是(shi)19根直径(jing)0.41mm

RV铜(tong)芯聚(ju)氯(lv)乙烯绝缘(yuan)衔接软电线 它比BVR更软，仍是2.5是49根0.25mm铜(tong)丝 ;

RVV铜芯聚氯乙(yi)(yi)烯(xi)绝(jue)缘聚氯乙(yi)(yi)烯(xi)护套衔接软电线 ;比

RV多了一层塑料(liao)护套 

别(bie)的(de)：咱(zan)们最常用的(de)“护套线(xian)”

BVVB铜芯聚氯(lv)乙烯(xi)绝缘聚氯(lv)乙烯(xi)护(hu)(hu)套(tao)(tao)扁型电缆,便(bian)是2根(gen)BV线，在+一层(ceng)白色的护(hu)(hu)套(tao)(tao)

 

本文共分 1 页