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电线电缆国标直径标准知识大全

返回列表来源:湘江电缆发布日期 2016-02-14 08:42浏览:- 加入收藏

一、电线平方数及直径换算方法知识

电线的规格在国际上常用的有三个标准:分别是美制(AWG)、英制(SWG)和火狐体育app官网的(CWG)。

火狐体育app官网 JIPINGFANGSHIGUOJIABIAOZHUNGUIDINGDEDEYIGEBIAOCHENGZHI,JIPINGFANGSHIYONGHUGENJUDIANXIANDIANLANDEFUHELAIXUANZEDIANXIANDIANLAN。

火狐体育app官网 DIANXIANPINGFANGSHUSHIZHUANGXIUSHUIDIANSHIGONGZHONGDEYIGEKOUTOUYONGYU,CHANGSHUODEJIPINGFANGDIANXIANSHIMEIJIADANWEI,JIPINGFANGHAOMI。

火狐体育app官网 DIANXIANDEPINGFANGSHIJISHANGBIAODESHIDIANXIANDEHENGJIEMIANJI,JIDIANXIANYUANXINGHENGJIEMIANDEMIANJI,DANWEIWEIPINGFANGHAOMI。

YIBANLAISHUO,JINGYANZAIDIANLIANGSHIDANGDIANWANGDIANYASHI220VSHIHOU,MEIPINGFANGDIANXIANDEJINGYANZAIDIANLIANGSHIYIQIANWAZUOYOU。

TONGXIANMEIGEPINGFANGKEYIZAIDIAN1-1.5QIANWA,LVXIANMEIGEPINGFANGKEZAIDIAN0.6-1QIANWA。YINCIGONGLVWEI1QIANWADEDIANQIZHIXUYONGYIPINGFANGDETONGXIANJIUZUGOULE。

火狐体育app官网 JUTIDAODIANLIU,DUANJUSONGDIANSHIYIBANTONGXIANMEIPINGFANGKEZAI3ADAO5ADEDIANLIU。SANRETIAOJIANHAOQU5A/PINGFANGHAOMI,BUHAOQU3A/PINGFANGHAOMI。

湘江电缆BVR电线

HUANSUANFANGFA:

知道电线火狐体育app官网的平方,计算电线的半径用求圆形面积的公式计算:

火狐体育app官网 DIANXIANPINGFANGSHU(PINGFANGHAOMI)=YUANZHOULV(3.14)×DIANXIANBANJING(HAOMI)DEPINGFANG

ZHIDAODIANXIANDEPINGFANG,JISUANXIANZHIJINGYESHIZHEIYANG,RU:

火狐体育app官网 2.5FANGDIANXIANDEXIANZHIJINGSHI:2.5÷3.14=0.8,ZAIKAIFANGDECHU0.9HAOMI,YINCI2.5FANGXIANDEXIANZHIJINGSHI:2×0.9HAOMI=1.8HAOMI。

ZHIDAODIANXIANDEZHIJING,JISUANDIANXIANDEPINGFANGYEYONGQIUYUANXINGMIANJIDEGONGSHILAIJISUAN:

DIANXIANDEPINGFANG=YUANZHOULV(3.14)×XIANZHIJINGDEPINGFANG/4

火狐体育app官网 DIANLANDAXIAOYEYONGPINGFANGBIAOCHENG,DUOGUXIANJIUSHIMEIGENDAOXIANJIEMIANJIZHIHE。

DIANLANJIEMIANJIDEJISUANGONGSHI:

火狐体育app官网 0.7854×DIANXIANBANJING(HAOMI)DEPINGFANG×GUSHU

火狐体育app官网 RU48GU(MEIGUDIANXIANBANJING0.2HAOMI)1.5PINGFANGDEXIAN:

0.785×(0.2×0.2)×48=1.5PINGFANG

二、常用小规格电线电缆知识

火狐体育app官网 RVVP:TONGXINJULVYIXIJUEYUANPINGBIJULVYIXIHUTAORUANDIANLAN,DIANYA300V/300V2-24XIN。ZHUYAOZHILIANGZHIBIAO:XIANJING(BAOKUOXINXIANHEBIANZHISI,BINGBUSHIYUECUYUEHAO,YONGZAZHITONGDEYAODADAODIANZUBIAOZHUNERZUODEHENCU)、TONGXINCHUNDU、BIANZHIMIDU、JIAOJU。

火狐体育app官网 YONGTU:YIQI、YIBIAO、DUIJIANG、JIANKONG、KONGZHIANZHUANG。

RG:WULIFAPAOJUYIXIJUEYUANJIERUWANGDIANLANYONGYUTONGZHOUGUANGXIANHUNHEWANG(HFC)ZHONGCHUANSHUSHUJUMONIXINHAO,CIWEIMEIGUOBIAOZHUN,JINSIDENGTONGYUGUOBIAOSYWVXILIE。ZHUYAOZHILIANGZHIBIAO:TONGXINXIANJING,JUEYUANHOUDU,BIANZHICAILIAO(SHICHANGSHANGDUOWEILVMEISIBIANZHI,ZHILIANGHAOYINGGAIYONGDUXITONG),BIANZHIMIDU。

火狐体育app官网 UTP:JUYUWANGDIANLANYONGTU:CHUANSHUDIANHUA、JISUANJISHUJU、FANGHUO、FANGDAOBAOANXITONG、ZHINENGLOUYUXINXIWANG。CHANGYONGUTPCAT5,UTPCAT5EDAIPINGBIXINGHAOWEISTP

火狐体育app官网 KVVP:JULVYIXIHUTAOBIANZHIPINGBIDIANLANYONGTU:DIANQI、YIBIAO、PEIDIANZHUANGZHIDEXINHAOCHUANSHU、KONGZHI、CELIANG

火狐体育app官网 SYWV(Y)、SYKVYOUXIANDIANSHI、KUANDAIWANGZHUANYONGDIANLANJIEGOU:(TONGZHOUDIANLAN)DANGENWUYANGYUANTONGXIAN+WULIFAPAOJUYIXI(JUEYUAN)+(DUXISI+LV)+JULVYIXI(JUYIXI),(DENGTONGMEIBIAORG-6,RG-59)。XIANZAISHICHANGSHANGDUOYONGLVMEISIBIANZHI(BUNENGHANJIE,RONGYIYANGHUA),XINXIANYONGTONGBAOLV、TONGBAOGANG,YIZHIHENDUORENRENWEISYWVXIANBISYVXIANBIANYI,DANSHISHISHANGBINGBUSHINEIMEHUISHI。

火狐体育app官网 RVV(227IEC52/53)JULVYIXIJUEYUANRUANDIANLAN(JIEMIANJI:0.5-6.0XINXIANSHU1-24)YONGTU:DIANYUANXIAN,XINHAOXIAN,JIAYONGDIANQI、XIAOXINGDIANDONGGONGJU、YIBIAOJIDONGLIZHAOMINGDENG。CIGUIGEXIANZHIYAOFUHEGUOBIAOZEJIAGEXIANGCHABUDA,DANSHICHANGSHANGBUFAYOUYONGZAZHITONG、XIANJINGBUGOU、DUANMISHU、ZHIFANG(XINXIANTONGSIBUJIAOHUOXINXIANBUJIAO,ZHEIYANGKANGLANENGLIDADAJIANSHAO,DIANZUZENGDA)LAICHONGSHUDEQINGKUANG。YANSHENGXINGHAO:RVVS:CIXINGHAOXINXIANDEJIAOJUJIAMI,YIBANYONGYUGUANGBOXITONG。

AVVRJULVYIXIHUTAOANZHUANGYONGRUANDIANLAN(JIEMIANJI:0.12-0.5XINXIANSHU1-24)YONGTU:XINHAO、KONGZHI。RUMENJINXINHAO、KONGZHI,YUNTAIKONGZHIDENG。

火狐体育app官网 HYV、HYASHUJUTONGXINDIANLAN(SHINEI、WAI)(XINXIANZHIJING0.5mm、XINXIANSHU2、4、8DENG)JIDIANHUAXIAN,YONGYUDIANHUATONGXINJIWUXIANDIANSHEBEIDELIANJIEYIJIDIANHUAPEIXIANWANGDEFENXIANHEJIEXIANYONGDENG。SHICHANGSHANGYIBANXINXIANZHIJINGSHI0.4mm,YEYOUCHADIANDESHIYONGGANGSIHUOTONGLVHEJIN。LINGDIANHUAXIANPUBIANMISHUBUZU。

火狐体育app官网 RV、RVPJULVYIXIJUEYUANDIANLAN、JULVYIXIPINGBIDIANLAN、ZHUYAOYONGYUSHEBEI。

RVS、RVBSHIYONGYUJIAYONGDIANQI、XIAOXINGDIANDONGGONGJU、YIQI、YIBIAOJIDONGLIZHAOMINGLIANJIEYONGDIANLAN,RVSYEKEYONGYUGUANGBOXIANHUODAITIRVVXIAN。RVBZAIYAOQIUBUGAODEQINGKUANGXIAKEYIDAITIJINYINXIAN。

BV、BVRJULVYIXIJUEYUANDIANLANYONGTU:SHIYONGYUDIANQIYIBIAOSHEBEIJIDONGLIZHAOMINGGUDINGBUXIANYONG,JIAGESHIHUIDIANZUDI。ZAIHENDUOLIANJIEDIANYUANDECHANGHEKEYIDUOKAOLV。

RIBYINXIANGLIANJIEXIAN(FASHAOXIAN、JINYINXIAN)YOUXIEYINXIANGXIANDEXINGHAOBIAOZHUSHANGCHANGYOU“6N”、“7N”DEZIYANG,QIYIYISHIYONGLAIBIAOSHISHIYONGJINSHUCAILIAOZHIZUODEFASHAOXIANDECHUNDUDEGAODI。BIRU“99.9999%”,JIUKEYIYONG“6N”BIAOSHI,JISHUOMINGQICHUNDUSHI6GE9,NQIANMIANDESHUZIYUEDASHUOMINGYINXIANGXIANDECHUNDUJIUYUEGAO。JIATINGYINGYUANDEYINXIANGQICAISHIFOUXUYAOSHIYONGPINZHIJIAOGAODEYINXIANGXIAN,GUANJIANSHIYAOZHANGWOSHISHIQIUSHI,LIANGLIERXINGZHEIYIYUANZE。DUIYUYIBANPUJIXING(WANYUANYIXIA)DEYINXIANGQICAIWUXUKEYIZHUIQIUXIANCAIDEGAOPINZHI,ZHIYAOSHIYONGYIBANJIEMIANJIAODAYIDIANDETONGXINXINHAOXIANJIKE。DUIYUJIAOHAODEJIATINGYINGYUANYINXIANGQICAI,KEYIKAOLVSHIYONGGAOPINZHIDEYINXIANGXIAN。

三、BVR

BVR线是一种铜芯聚氯乙烯绝缘软电线,其应用于固定布线时要求柔软的场合。BVR电线是一种配电柜专用软电线,也叫二次线。B是指归类属于布电线,V是指PVC聚氯乙烯,俗称“塑料”,R是指软的意思,即增加导体根数。

SHIYONGYUHUOHUTIYUappGUANWANGEDINGDIANYA450/750VJIYIXIADEDONGLIZHUANGZHIDEGUDINGFUSHE。RUJIAZHUANGZHAOMING。GUDINGBUXIANKEYONGYUSHINEIMINGFU、CHUANGUANDENGCHANGHE。WEILEFANGBIANZAIANZHUANGGUOCHENGZHONGDEQUBIE,KEFENWEIHONG、HUANG、LAN、LV、HEI、BAI、SHUANGGONGQIZHONGYANSE。YOUYUBVRSHIRUANJIEGOUDE,YUNYONGFANWEIYEDUOZAIRUANHUANJINGXIA。BVRDIANXIANHEBVDIANXIANWEIYIDECHABIEZAIYU,RXINGDIANXIANDAOTIXIANJINGWEIRUANTONGSI。JI:ZENGJIADAOTIGENSHU,JIANSHAODANGENDAOTIZHIJING,DANGENDAOTIZHIJINGXIAOYU1HAOMI。ZHEIYANGYILAI,BVRDIANXIANJIUFEICHANGROURUAN,FUSHEJIAODUYAOQIUJIAOBVDIANXIANDADAJIANGDI,CHUANXIANGUAN,XIANCAOSHIGENGJIAFANGBIAN,KUAIJIE,JIANGDIGONGZUOQIANGDUDETONGSHIDADATIGAOLEGONGZUOXIAOLV。SHENSHOUGUANGDADIANGONGJIJIANZHUZHUANGSHIRENYUANXIHUAN!

四、BV与BVR的区别:

(1)CONGSHENGCHANGONGYISHANGSHUO,BVSHIDANXINDE,BVRSHIDUOXINDE,ZAIZHIZUOSHANG,BVRBIBVFUZAYIDIAN。

火狐体育app官网 (2)CONGJIAGESHANGSHUO,BVRYAOBIBVGUIYIDIAN。ZAIGUOJIDIANGONGWEIYUANSHANGGUIDINGDE,BVRDEFANWEISHICONG2.5mmZHI70mm,RANERGENJUWOGUOSHIJIDEXUYAO,SHIHEBVYIYANGDE。

火狐体育app官网 (3)ZAIXINGNENGSHANG,BVYUBVRJIBENXIANGTONG,ZHONGLIANGSHANGBVRLVEZHONGYIDIAN;

同样,BVR电线根据所选用的材质不同,也分为阻燃电线(ZR-BVR)、耐火电线(NH-BVR)、低烟无卤电线(WDZ-BVR)。用户根据使用的场合灵活掌握。其中低烟无(低)卤电线在火焰燃烧情况下产生极少量的烟雾,释放的气体不含卤(低卤)元素,无毒(低毒)。

DANGHUOZAIFASHENGSHI,KEDADAJIANSHAODUIYIQI,SHEBEIHERENTIDEWEIHAI,YINERBEIGUANGFANYINGYONGYUGAOCENGJIANZHU、YIYUAN、DAXINGTUSHUGUAN、TIYUGUAN、FANGZAIZHIHUIDIAODULOU、CHEZHANHEMINYONGJICHANG、LVKEHOUCHESHI、ZHONGDIANWENWUBAOHUCHANGSUOYIJIDITIE、DIXIASHANGCHANGHUORENKOUMIJIDEGONGGONGCHANGSUO。


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