一、选型如何知道保险丝质量好不好？

BAOXIANSIZAIXUANXINGSHI，YAOXIANGZHIDAOBAOXIANSIZHILIANGHAOBUHAO，SHOUXIANYAOBAOZHENGBAOXIANSIDEEDINGDIANLIUYIDINGYAODAYUDIANLUZHENGCHANGGONGZUODIANLIU，QIEYONGYOUYIDINGDEGUOZAINENGLI，DANRUGUOYULIANGGUODA，JIANGHUIJIANGDIHUOXUERUOQIBAOHUGONGNENG，BAOXIANSIYINGGAIDONGZUODESHIHOUBUDONGZUO，ZAOCHENGBEIBAOHUDEYUANQIJIANSUNHUAISHENZHIGENGYANZHONGDEWEIXIANHOUGUO。SHEJIRENYUANXUANYONGBAOXIANSISHIDEZHUYAOCANKAOGONGJUSHIBAOXIANSIZHIZAOSHANGTIGONGDECHANPINGUIGESHUZHONGDE“SHIJIAN-DIANLIUTEXINGQUXIAN”。YOUYUQUXIANSHANGSUOFANYINGDERONGDUANSHIJIANDOUSHIZAIZHENGCHANGDAQITIAOJIANXIADE，BIYAOSHIWOMENHAIXUYAOSHIDANGKAOLVHUANJINGWENDUDENGDEYINGXIANG。XUANZEQIADANGRONGDUANTEXINGDEBAOXIANSIPINZHONGHEQIADANGDEEDINGDIANLIUGUIGECAINENGMANZUBAOXIANSIDEBAOHUGONGNENG。

ZAIBAOXIANSISHIYONGDEGUOCHENGZHONG，CHUXIANZHENGCHANGDIANLIUBODONGHUOSHUNJIANMAICHONGDEJIHUIDADADUOYUGUZHANGGUODIANLIU，SUOYIZAIMOUZHONGYIYISHANGLAISHUO，ZHEIFANGMIANDEKAOLVDUIBAOXIANSIDESHIYONGLAISHUOXIANDEGEWAIZHONGYAOHEGENGJUYOUSHIJIYIYI。ZHIYAOBAOXIANSIDERONGHUARENENGZHII2tDAYUDIANLUMAICHONGDENENGLIANG，BAOXIANSIJIUNENGGOUCHENGSHOU，“SHIJIAN-RONGHUARENENGQUXIAN”SHITIGONGJISHEJIRENYUANXUANYONGBAOXIANSISHIDENAIMAICHONGNENGLIDEGONGJU（TONGYANGDIYEKEYICAIYONGDIANLIU-RONGHUARENENGQUXIANDEXINGSHI），GENGJINYIBUKANBAOXIANSIZAIJINGSHOUMAICHONGCHONGJISHIJISHIBURONGDUANYEHUISHOUDAOYIDINGDESUNSHANG，HUANJUHUASHUOCISHIBAOXIANSIDEI2tJIUHUIJIANXIAO，YEJIUSHINAIMAICHONGDENENGLIJIANGDILE，SUOYIZAIXUANZEBAOXIANSISHIHAIBIXUKAOLVZHEIGESHUAIJIANDEYINSU，TONGCHANGDEJIANYIJISUANXUYAOFANG3-5BEIDEYULIANGLAIBAOZHENGBAOXIANSIYOUZUGOUDENAIMAICHONGNENGLI。BAOXIANSIDENAIMAICHONGNENGLIHETADEBAOHUXINGNENGSHIYOUMAODUNDE，ZAIZHEILIANGGEFANGMIANWOMENBIXUQIUDEYIGEHELIDEPINGHENG，XUNZHAOZUIJIADEJIEHEDIAN。XUANZEYOUQIADANGRONGHUARENENGZHIDEBAOXIANSIPINZHONGGUIGEHEFANGDAZUGOUBINGHELIDEANQUANYULIANGCAINENGMANZUBAOXIANSIDECHENGZAIGONGNENG（NAIMAICHONGNENGLI）。

ZHILIANGHAODEBAOXIANSIZAISHIYONGQIANHOUDOUNENGBAOZHENGANQUANXING，JIANQUANDIDAOTONGHEANQUANDIRONGDUAN。NENGGOUBAOZHENGBAOXIANSIZHEIXIANGYAOQIUDEZHUYAOJISHUZHIBIAOJIUSHIFENDUANNENGLI。FENDUANNENGLISHIBAOXIANSINENGGOUANQUANDIQIEDUANDIANLUDEZUIDADIANLIU，YIBANQINGKUANGXIASHIZHIDUANLUDIANLIU。JIUSHIBAOXIANSIZAIYUDAODUANLUDIANLIUSHIBIXUNENGGOUJUEDUIANQUANDIFENDUANDIANLU，JIZAIFENDUANGUOCHENGZHONGBUFASHENGRENHEBUANQUANDEYINSU，RUCHIXULAHU、DUOCIDAOTONG、POSUI、FEIJIAN、RANSHAO、YIZHIBAOZHADENG。MEIYIZHONGBAOXIANSIDEFENDUANNENGLIDOUBIXUDAYUDENGYUBEIBAOHUDIANLUDEZUIDADUANLUDIANLIU。BAOXIANSIDEEDINGDIANYAJUEDINGLETADENAIYA，YESHIBAOXIANSIANQUANXINGNENGDELINGYIGEZHIBIAO，ZHINENGSHIYONGZAIGONGZUODIANYAXIAOYUDENGYUBAOXIANSIEDINGDIANYADEDIANLUZHONG。，SHIJIEGEGUOHEGEDIQUDUIANQUANYUANJIANDOUJINXINGANQUANRENZHENG，BAOXIANSIDEANQUANRENZHENGDUIYUTADEANQUANGONGNENGLAISHUOYESHIBIBUKESHAODE。XUANZEJUYOUZUGOUFENDUANNENGLIHEEDINGDIANYADE，BINGHUODEBIYAODEYINGYONGDIQUDEANQUANRENZHENGDEBAOXIANSIPINZHONG，CAINENGMANZUBAOXIANSIDEANQUANGONGNENG。

ZONGSHANGSUOSHU，SHIDANGDERONGDUANTEXINGHEEDINGDIANLIU；ZUGOUERHELIDERONGHUARENENGZHI；YIJIHESHIDEFENDUANNENGLI、EDINGDIANYAHEANQUANRENZHENGSHIBAOZHENGBAOXIANSIZHUYAOGONGNENGDEBIYAOTIAOJIAN，ZHIYOUZAIJUBEILEZHEISANGETIAOJIANDEJICHUSHANG，TONGSHIXIEDIAOHAOBAOHUXINGNENGHENAIMAICHONGNENGLIZHIJIANDEZHIYUE，QIUDEZUIHELIDEPINGHENG，WOMENCAIYOUKENENGZUOCHUPANDUAN：ZHEIYANGDEBAOXIANSIZHILIANGCAIHEGE。

二、保险丝选型要注意的参数

1.EDINGDIANLIU

BAOXIANSIDEEDINGDIANLIUSHIZHITADEGONGCHENGEDINGDIANLIU， TONGCHANGJIUSHIDIANLUNENGGOUGONGZUODEZUIDADIANLIUZHI。BAOXIANSIZAIXUANXINGSHIYAOZHUYIBAOXIANSIDEEDINGDIANLIUZHI。

2.EDINGDIANYA

BAOXIANSIDEEDINGDIANYASHIZHITADEGONGCHENGEDINGDIANYA， TONGCHANGJIUSHIBAOXIANSIDUANKAIHOUNENGGOUCHENGSHOUDEZUIDADIANYAZHI。BAOXIANSITONGDIANSHILIANGDUANSUOCHENGSHOUDEDIANYADADAXIAOYUQIEDINGDIANYA，YINCIEDINGDIANYAJIBENSHANGWUGUANJINYAO。DUIYUDIDIANYADEDIANZIYINGYONG， YIGEJIAOLIUEDINGBAOXIANSIKEYIYONGYUZHILIUDIANLUZHONG。 DANGDIANLUDIANYABUCHAOGUORONGDUANQIEDINGDIANYASHI， BAOXIANSISHIFOUYOUNENGLIFENDUANJICHUDEZUIDADIANLIU。

3.HUANJINGWENDU

BAOXIANSISUOCHUXIAOHUANJINGWENDUHUOYIZHIDEGONGZUOWENDU， DUIBAOXIANSIDEDONGZUOSHIYOUYINGXIANGDE z HUANJINGWENDUYUEGAO， BAOXIANSIDEGONGZUOSHIJIUYUERE， QISHOUMINGYEJIUYUEDUAN。BUGUANSHI UL GUIGEHAISHI IECGUIGE， BAOXIANSIDEGEXIANGZHIBIAODOUSHIZHIZAI25 ℃ ，RUXIAOHUANJINGGONGZUOWENDUJIAOGAO，ZEYAOKAOLVBAOXIANSIDEWENDUZHEJIANLV。

4.DIANYAJIANG/LENGDIANZU

YIBANQINGKUANGXIA，BAOXIANSIDEDIANZUZHIYUTADEEDINGDIANLIUZHICHENGFANBI。ZAIBAOHUDIANLUZHONGYAOQIUBAOXIANSIZUZHIYUEXIAOYUEHAO，ZHEIYANGTADESUNHAOGONGLVJIUXIAO；YINCIZAIBAOXIANSIJISHUCANSHUZHONGGUIDINGLEZUIDADIANYAJIANGZHIHUOLENGDIANZUZHI，DANBUZUOWEICHANPINYANSHOUYIJU。

5.RONGDUANTEXING

YECHENGZUOBAOXIANSIDESHIJIAN-DIANLIUTEXINGHUOI-TTEXINGHUOANMIAOTEXING， SHIBAOXIANSIZUIZHUYAODEDIANXINGNENGZHIBIAO，TABIAOMINGLEBAOXIANSIZAIBUTONGGUOZAIDIANLIUFUZAIXIARONGDUANDESHIJIANFANWEI。 z DANGLIUJINGBAOXIANSIDEDIANLIUCHAOGUOEDINGDIANLIUSHI， RONGTIWENDUZHUJIANSHANGSHENG，YIZHIZUIHOUBAOXIANSIBEISHAODUAN，WOMENBAZHEIDOUGUISHUWEIYIZHONGGUOZAIZHUANGTAI。

BAOXIANSIXUYAOYOUYIDINGDEGUOZAINENGLI：ULGUIFANBAOXIANSIDEZUIDABURONGDUANDIANLIUSHI110%In； IECGUIFANBAOXIANSIDEZUIDABURONGDUANDIANLIUSHI150%InHUO120%In z BAOXIANSIYEYAOQIUZAICHAOGUOXIANLIANGDEGUOZAIDIANLIUSHINENGJISHIDISHAODUAN。ULGUIFANBAOXIANSIDEZUIXIAORONGDUANDIANLIUZAI130%In ZUOYOU； IECGUIFANBAOXIANSIDEZUIXIAORONGDUANDIANLIUZAI180%In ZUOYOU。

6.FENDUANNENGLI

FENDUANNENGLIYECHENGWEIZUIDAFENDUANNENGLIHUODUANLUFENDUANNENGLIHUOZHEDUANDIANLIU。FENDUANNENGLISHIBAOXIANSIZUIZHUYAODEANQUANZHIBIAO。TABIAOMINGLEZAIGUIDINGDEDIANYAXIA， BAOXIANSINENGANQUANDIQIEDUANDEZUIDADIANLIU。DANGLIUJINGBAOXIANSIDEDIANLIUXIANGDANGDAYIZHIDUANLUDESHIHOU，RENGYAOQIUBAOXIANSINENGANQUANFENDUANDIANLU，QIEBUDAILAIRENHEPOHUAIXING。DANGCHAOGUOEDINGFENDUANDIANLIUZHISHI， BAOXIANSIYOUKENENGCHUXIANPOSUI，BAOZHA，PEN JIAN，YINQIZHOUWEIRENSHENHUOQITAYUANQIJIANDERANSHAOHEPOHUAIDENGBUANQUANXIANXIANG。

BAOXIANSIDEFENDUANNENGLIQUJUEYUBAOXIANSIDEJIEGOUHESUOYONGDECAIZHI， YIBANLAISHUODIFENDUANNENGLIBAOXIANSIDABUFENDOUSHIBOLIQIAOTIDE， GAOFENDUANNENGLIBAOXIANSITONGCHANGYOUTAOCIQIAOTI， QIZHONGXUDUOHAITIANCHONGYOUCHUNJINGKELIZHUANGSHIYINGCAILIAO。ANZHAOCHANGGUI， DANGBEIBAOHUXITONGSHIZHIJIELIANJIEDAODIANYUANSHURUDIANLUHEBAOXIANSIBEIZHIYUDIANYUANSHURUBUFENSHI， YIDINGYAOSHIYONGGAOFENDUANNENGLIBAOXIANSI。ZAIDABUFENERCIDIANLUZHONG， TEBIESHIDIANYADIYUDIANYUANDIANYASHI， XUANYONGDIFENDUANNENGLIBAOXIANSIJIUZUYINENGSHENGRENLE。

7.RONGHUARENENGZHI

RONGDUANQIDERONGHUARENENGZHI（If2t）SHIZHIRONGTIRONGDUANSUOXUYAODENENGLIANGZHI， TONGCHANGBEIYONGYURONGDUANQICHENGSHOULANGYONGNENGLIDEJISHUZHIBIAO，QIZHONG IWEIGUOZAIDIANLIU，tWEIRONGDUANSHIJIAN z DIANLUZHONGCHUXIANLANGYONGSHISUOSHIFANGCHULAIDENENGLIANGZHI（Ir2t）。

YUANZE： XUANYONGRONGDUANQISHIBIXUKAOLV If2t > Ir2t， JIRONGDUANQIDERONGHUARENENGYINGDAYULANGYONGDIANLIUSHIFANGDERENENG。

RONGDUANQIDERONGDUANSHIJIANGENDIANLIUCHANSHENGDERELIANG， SANRETIAOJIANJIRONGDUANQIDERERONGTEXINGDENGDOUYOUGUAN，XUDUOYINSUDOUHUIYINGXIANGRONGDUANQIDERONGDUANSHIJIAN，SUOYIRONGDUANQIZAIBUTONGDEFENDUANDIANLIUHUOFENDUANSHIJIANHUIYOUBUTONGDEIf2t，YEJIUSHISHUOIf2tBINGBUSHIYIGECHANGSHU。NENGLIANG/SHIJIANQUXIANZUIHAODIMIAOHUILEBAOXIANSIDERONGHUARENENGBIANHUAQINGKUANG，GONGSHEJISHIXUANYONGBAOXIANSINAIMAICHONGNENGLISHIZHUYAODECANKAO。DANGIf2t > Ir2tSHI，RONGDUANQIYINGNENGCHENGSHOUMAICHONGDECHONGJI，BUHUIBEIRONGDUANDANHUISHOUDAOYIXIESUNSHANG，CONGERLVEWEIJIANGDITADEIf2t。TONGGUOJISUANHEXUANZE If2t HEIr2tDEGUANXI，KEYIZHIDAORONGDUANQINENGGOUCHENGSHOUDEMAICHONGCISHU。

8.NAIJIUXING/SHOUMING

BAOXIANSIDESHOUMINGSHIHENZHANGDE，ZAIWUGUZHANGDEQINGKUANGXIAJIHUYUSHEBEIDESHOUMINGSHIKEYITONGBUDE。CESHI IEC GUIGEDEXIAOXINGGUANZHUANGBAOXIANSISHOUMINGDEFANGFA：ZAIZHILIUDIANYUANTIAOJIANXIA，YI1.20 In（HUO1.05 In）DIANLIUDAOTONGYIXIAOSHI，DUANKAI15FENZHONG，LIANXU100GEZHOUQI，ZUIHOUZAIYI1.5 In（HUO1.15 In） DIANLIUDAOTONGYIXIAOSHI，QIJIANBUNENGYOURONGDUANHUOQITAYICHANGXIANXIANG。BAOXIANSIDECHUCUNQI，ZAIZHENGCHANGTIAOJIANXIABUSHAOYULIANGNIAN，DAOQIJINGFUJIANHEGEHOUKEZAIXINGCHUCUN。

YISHANGJIUSHIJIDIANTONGBAOXIANSICHANGJIAWEIDAJIAZONGJIEDEBAOXIANSIXUANXINGJIQIAO。