因為它有(you)一(yi)定比熱(re)(re)及質量，其(qi)熱(re)(re)量的(de)(de)(de)(de)增(zeng)加就表現在(zai)溫(wen)度的(de)(de)(de)(de)升高(gao)上，當溫(wen)度升高(gao)到保(bao)險(xian)(xian)絲(si)的(de)(de)(de)(de)熔(rong)點以(yi)上時(shi)保(bao)險(xian)(xian)絲(si)就發生了(le)熔(rong)斷(duan)。這就是(shi)保(bao)險(xian)(xian)絲(si)的(de)(de)(de)(de)工(gong)作(zuo)原(yuan)理(li)。我們(men)(men)從(cong)這個(ge)原(yuan)理(li)中(zhong)應該(gai)知道，您(nin)(nin)在(zai)設計制造保(bao)險(xian)(xian)絲(si)時(shi)必須(xu)認真地研究(jiu)您(nin)(nin)所選材料的(de)(de)(de)(de)物理(li)特性，并確(que)(que)保(bao)它們(men)(men)有(you)一(yi)致幾何尺寸。因為這些因素對保(bao)險(xian)(xian)絲(si)能否(fou)正(zheng)常工(gong)作(zuo)起了(le)至關重要的(de)(de)(de)(de)作(zuo)用(yong)。同樣，您(nin)(nin)在(zai)使用(yong)它的(de)(de)(de)(de)時(shi)候，一(yi)定要正(zheng)確(que)(que)地安裝它。電流與電阻的(de)(de)(de)(de)大(da)小確(que)(que)定了(le)產(chan)生熱(re)(re)量的(de)(de)(de)(de)速(su)度，保(bao)險(xian)(xian)絲(si)的(de)(de)(de)(de)構造與其(qi)安裝的(de)(de)(de)(de)狀況確(que)(que)定了(le)熱(re)(re)量耗散的(de)(de)(de)(de)速(su)度，若(ruo)產(chan)生熱(re)(re)量的(de)(de)(de)(de)速(su)度小于熱(re)(re)量耗散的(de)(de)(de)(de)速(su)度時(shi)，保(bao)險(xian)(xian)絲(si)是(shi)不會熔(rong)斷(duan)的(de)(de)(de)(de)。若(ruo)產(chan)生熱(re)(re)量的(de)(de)(de)(de)速(su)度等于熱(re)(re)量耗散的(de)(de)(de)(de)速(su)度時(shi)，在(zai)相當長的(de)(de)(de)(de)時(shi)間內它也不會熔(rong)斷(duan)。保(bao)險(xian)(xian)絲(si)的(de)(de)(de)(de)優(you)勢是(shi)什么？成(cheng)都高(gao)壓保(bao)險(xian)(xian)絲(si)SBFC

常見(jian)的(de)(de)(de)(de)(de)玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)制造，首(shou)先將二氧(yang)化(hua)硅(gui)材料(liao)經(jing)過(guo)(guo)高溫拉成(cheng)直徑5毫(hao)米的(de)(de)(de)(de)(de)透明玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)，再(zai)剪成(cheng)長度30毫(hao)米的(de)(de)(de)(de)(de)長度，玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)兩端要用(yong)(yong)高溫處理圓(yuan)滑，以(yi)免在(zai)(zai)穿熔(rong)絲(si)(si)(si)(si)時玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)鋒利(li)的(de)(de)(de)(de)(de)邊緣劃傷(shang)熔(rong)絲(si)(si)(si)(si)。玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)內(nei)放入(ru)合金熔(rong)絲(si)(si)(si)(si)，打印有規格的(de)(de)(de)(de)(de)頂蓋和底蓋用(yong)(yong)高頻(pin)與熔(rong)絲(si)(si)(si)(si)焊(han)接(jie)(jie)在(zai)(zai)一起。機械自動檢測保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)，彈出檢測不(bu)合格的(de)(de)(de)(de)(de)保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)，對合格的(de)(de)(de)(de)(de)保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)進行包裝。有人(ren)會有疑(yi)問(wen)，那種常見(jian)的(de)(de)(de)(de)(de)保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)為什(shen)么(me)要裝在(zai)(zai)玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)內(nei)，首(shou)先玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)是絕緣的(de)(de)(de)(de)(de)不(bu)易(yi)點燃，確保(bao)(bao)了(le)熔(rong)絲(si)(si)(si)(si)是兩端的(de)(de)(de)(de)(de)導電連接(jie)(jie)中(zhong)介，玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)的(de)(de)(de)(de)(de)價格便(bian)宜(yi)也(ye)是使用(yong)(yong)它的(de)(de)(de)(de)(de)原(yuan)因(yin)，另外玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)可以(yi)看(kan)到內(nei)部(bu)熔(rong)絲(si)(si)(si)(si)是否熔(rong)斷，比較(jiao)容易(yi)判斷保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)好壞，還有玻(bo)(bo)璃(li)(li)(li)管(guan)(guan)內(nei)并(bing)不(bu)是真空的(de)(de)(de)(de)(de)。高壓保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)BFSL在(zai)(zai)高過(guo)(guo)載(zai)時，慢(man)熔(rong)斷保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)動作(zuo)原(yuan)理和快速保(bao)(bao)險(xian)(xian)絲(si)(si)(si)(si)一樣，因(yin)為沒有時間用(yong)(yong)來開始擴散的(de)(de)(de)(de)(de)過(guo)(guo)程。

當電(dian)(dian)(dian)流(liu)(liu)通過(guo)導(dao)體時，因導(dao)體存在一定的(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)，所以導(dao)體就(jiu)會(hui)發熱(re)(re)(re)，制作(zuo)保險絲(si)的(de)(de)(de)材料和(he)形狀(zhuang)確定后，其電(dian)(dian)(dian)阻(zu)(zu)也就(jiu)確定了(le)，當電(dian)(dian)(dian)流(liu)(liu)流(liu)(liu)過(guo)它時，它就(jiu)會(hui)發熱(re)(re)(re)，隨著(zhu)時間的(de)(de)(de)增加(jia)其發熱(re)(re)(re)量(liang)也會(hui)增加(jia)，電(dian)(dian)(dian)流(liu)(liu)和(he)電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)(de)大小確定了(le)產(chan)(chan)生熱(re)(re)(re)量(liang)的(de)(de)(de)速(su)(su)度(du)，保險絲(si)的(de)(de)(de)結構與(yu)其安(an)裝的(de)(de)(de)狀(zhuang)況(kuang)確定了(le)熱(re)(re)(re)量(liang)消耗的(de)(de)(de)速(su)(su)度(du)，若產(chan)(chan)生熱(re)(re)(re)量(liang)的(de)(de)(de)速(su)(su)度(du)小于熱(re)(re)(re)量(liang)消散的(de)(de)(de)速(su)(su)度(du)時，保險絲(si)就(jiu)不(bu)會(hui)熔(rong)斷(duan)。保險絲(si)的(de)(de)(de)作(zuo)用(yong)是，當電(dian)(dian)(dian)路發生故障(zhang)或異(yi)常(chang)時，伴隨著(zhu)電(dian)(dian)(dian)流(liu)(liu)不(bu)斷(duan)升高(gao)，并且升高(gao)的(de)(de)(de)電(dian)(dian)(dian)流(liu)(liu)有(you)可(ke)(ke)能損(sun)壞元(yuan)器件，也有(you)可(ke)(ke)能燒毀電(dian)(dian)(dian)路甚(shen)至造成火災。如果(guo)電(dian)(dian)(dian)路中安(an)裝了(le)保險絲(si)，它會(hui)在電(dian)(dian)(dian)流(liu)(liu)異(yi)常(chang)升高(gao)到一定高(gao)度(du)的(de)(de)(de)時候(hou)，熔(rong)斷(duan)保險絲(si)從(cong)而切斷(duan)電(dian)(dian)(dian)流(liu)(liu)，起到保護電(dian)(dian)(dian)器的(de)(de)(de)作(zuo)用(yong)。

按(an)(an)分(fen)(fen)(fen)(fen)斷能力分(fen)(fen)(fen)(fen)，可(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)：高(gao)、低分(fen)(fen)(fen)(fen)斷能力保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)。按(an)(an)形(xing)狀(zhuang)分(fen)(fen)(fen)(fen)，可(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)：平頭(tou)管狀(zhuang)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（又(you)可(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)內焊(han)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)與外焊(han)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)）、尖頭(tou)管狀(zhuang)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、鍘(zha)刀式保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、螺旋式保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、插片式保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、平板式保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、裹敷式保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、貼片式保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)。按(an)(an)熔斷速度分(fen)(fen)(fen)(fen)，可(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)：特慢速保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（一(yi)般用(yong)TT表(biao)示(shi)）、慢速保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（一(yi)般用(yong)T表(biao)示(shi)）、中速保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（一(yi)般用(yong)M表(biao)示(shi)）、快速保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（一(yi)般用(yong)F表(biao)示(shi)）、特快速保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（一(yi)般用(yong)FF表(biao)示(shi)）。按(an)(an)標準分(fen)(fen)(fen)(fen)，可(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)：歐規保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、美(mei)規保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、日規保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)。按(an)(an)類型分(fen)(fen)(fen)(fen)，可(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)：電(dian)(dian)流保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（貼片保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、微(wei)型保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、插片保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)、管狀(zhuang)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)），溫度保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（RH[方(fang)塊型]、RP[電(dian)(dian)阻(zu)型]、RY[金屬殼]），自恢復保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)（插件、疊片、貼片）。需按(an)(an)照保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)盒蓋上注明(ming)的(de)額(e)定電(dian)(dian)流值更(geng)換保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)，不要改用(yong)比額(e)定電(dian)(dian)流高(gao)的(de)保(bao)(bao)(bao)(bao)(bao)(bao)險(xian)(xian)(xian)(xian)(xian)(xian)絲(si)(si)(si)。

保(bao)險(xian)(xian)絲(si)的(de)(de)熔(rong)(rong)體一(yi)般(ban)都纖細柔軟的(de)(de)，支架的(de)(de)作(zuo)用(yong)(yong)(yong)(yong)就(jiu)是(shi)將熔(rong)(rong)體固(gu)定并使(shi)三個(ge)(ge)部(bu)分成為剛性(xing)(xing)的(de)(de)整(zheng)體便于安裝(zhuang)、使(shi)用(yong)(yong)(yong)(yong)，它必(bi)須有(you)(you)良好的(de)(de)機(ji)械強度、絕緣(yuan)性(xing)(xing)、耐熱性(xing)(xing)和阻燃性(xing)(xing)，在使(shi)用(yong)(yong)(yong)(yong)中不應產生斷裂(lie)、變(bian)(bian)形、燃燒及短路等(deng)現(xian)象。電(dian)(dian)力電(dian)(dian)路及大功率設備(bei)所(suo)使(shi)用(yong)(yong)(yong)(yong)的(de)(de)保(bao)險(xian)(xian)絲(si)，不僅有(you)(you)一(yi)般(ban)保(bao)險(xian)(xian)絲(si)的(de)(de)三個(ge)(ge)部(bu)分，而且還有(you)(you)滅(mie)弧(hu)裝(zhuang)置，因(yin)為這類保(bao)險(xian)(xian)絲(si)所(suo)保(bao)護的(de)(de)電(dian)(dian)路不僅工作(zuo)電(dian)(dian)流(liu)較(jiao)大，而且當(dang)(dang)熔(rong)(rong)體發(fa)生熔(rong)(rong)斷時其兩端(duan)的(de)(de)電(dian)(dian)壓也很高，往往會出現(xian)熔(rong)(rong)體已熔(rong)(rong)化（熔(rong)(rong)斷）甚至(zhi)已汽(qi)化，但是(shi)電(dian)(dian)流(liu)并沒有(you)(you)切斷，其原(yuan)因(yin)就(jiu)是(shi)在熔(rong)(rong)斷的(de)(de)一(yi)瞬間(jian)在電(dian)(dian)壓及電(dian)(dian)流(liu)的(de)(de)作(zuo)用(yong)(yong)(yong)(yong)下，保(bao)險(xian)(xian)絲(si)的(de)(de)兩電(dian)(dian)極(ji)之間(jian)發(fa)生拉弧(hu)現(xian)象。這個(ge)(ge)滅(mie)弧(hu)裝(zhuang)置必(bi)須有(you)(you)很強的(de)(de)絕緣(yuan)性(xing)(xing)與(yu)很好的(de)(de)導熱性(xing)(xing)，且呈負(fu)電(dian)(dian)性(xing)(xing)。石(shi)英砂(sha)就(jiu)是(shi)常用(yong)(yong)(yong)(yong)的(de)(de)滅(mie)弧(hu)材料。另外，還有(you)(you)一(yi)些保(bao)險(xian)(xian)絲(si)有(you)(you)熔(rong)(rong)斷指示(shi)裝(zhuang)置，它的(de)(de)作(zuo)用(yong)(yong)(yong)(yong)就(jiu)是(shi)當(dang)(dang)保(bao)險(xian)(xian)絲(si)動作(zuo)（熔(rong)(rong)斷）后其本身發(fa)生一(yi)定的(de)(de)外觀變(bian)(bian)化，易于被維(wei)修人員發(fa)現(xian)，例(li)如：發(fa)光(guang)、變(bian)(bian)色、彈出固(gu)體指示(shi)器等(deng)。插片保(bao)險(xian)(xian)絲(si)：多見于汽(qi)車使(shi)用(yong)(yong)(yong)(yong)場合，有(you)(you)時候(hou)也叫叉(cha)栓保(bao)險(xian)(xian)絲(si)。東(dong)莞太平洋精工保(bao)險(xian)(xian)絲(si)EVFP

保險(xian)絲(si)產品用(yong)于電腦、汽車、玩具、通訊、消費類(lei)電子、家用(yong)電器等(deng)產業領(ling)域(yu)。成都高壓(ya)保險(xian)絲(si)SBFC

保(bao)險(xian)(xian)絲(si)(si)(si)有(you)(you)哪些(xie)分(fen)(fen)類：1、保(bao)險(xian)(xian)絲(si)(si)(si)有(you)(you)一種(zhong)叫做(zuo)一次性(xing)(xing)的(de)(de)(de)(de)，還(huan)有(you)(you)一種(zhong)就(jiu)是(shi)(shi)(shi)自恢復的(de)(de)(de)(de)保(bao)險(xian)(xian)絲(si)(si)(si)，有(you)(you)的(de)(de)(de)(de)保(bao)險(xian)(xian)絲(si)(si)(si)里面安裝的(de)(de)(de)(de)是(shi)(shi)(shi)貼(tie)片或(huo)者(zhe)插片。而(er)不(bu)同(tong)的(de)(de)(de)(de)保(bao)險(xian)(xian)絲(si)(si)(si)被運用于不(bu)同(tong)的(de)(de)(de)(de)工(gong)作環(huan)境(jing)當中，有(you)(you)的(de)(de)(de)(de)是(shi)(shi)(shi)高壓環(huan)境(jing)，有(you)(you)的(de)(de)(de)(de)是(shi)(shi)(shi)低(di)壓環(huan)境(jing)，發揮著越來(lai)越重要的(de)(de)(de)(de)作用。2、保(bao)險(xian)(xian)絲(si)(si)(si)由(you)三(san)部(bu)(bu)(bu)(bu)分(fen)(fen)組成(cheng)，有(you)(you)一部(bu)(bu)(bu)(bu)分(fen)(fen)就(jiu)是(shi)(shi)(shi)熔(rong)(rong)體，是(shi)(shi)(shi)整(zheng)個保(bao)險(xian)(xian)絲(si)(si)(si)的(de)(de)(de)(de)部(bu)(bu)(bu)(bu)位。如果電路出現了(le)問(wen)題(ti)，能夠(gou)自主型(xing)熔(rong)(rong)斷(duan)，從而(er)切(qie)斷(duan)電路。3、還(huan)有(you)(you)一部(bu)(bu)(bu)(bu)分(fen)(fen)是(shi)(shi)(shi)電極的(de)(de)(de)(de)部(bu)(bu)(bu)(bu)分(fen)(fen)，是(shi)(shi)(shi)用來(lai)連接電路的(de)(de)(de)(de)重要組成(cheng)部(bu)(bu)(bu)(bu)分(fen)(fen)。還(huan)有(you)(you)一部(bu)(bu)(bu)(bu)分(fen)(fen)就(jiu)是(shi)(shi)(shi)支架的(de)(de)(de)(de)部(bu)(bu)(bu)(bu)分(fen)(fen)，主要的(de)(de)(de)(de)作用就(jiu)是(shi)(shi)(shi)能夠(gou)將熔(rong)(rong)體進行固定，并且(qie)有(you)(you)效的(de)(de)(de)(de)安裝和使(shi)用，而(er)且(qie)還(huan)具(ju)有(you)(you)一定的(de)(de)(de)(de)絕緣(yuan)性(xing)(xing)阻燃(ran)性(xing)(xing)能。在工(gong)作的(de)(de)(de)(de)時候，不(bu)容(rong)易(yi)(yi)產生變形或(huo)者(zhe)短(duan)路的(de)(de)(de)(de)問(wen)題(ti)，也(ye)不(bu)容(rong)易(yi)(yi)燃(ran)燒。成(cheng)都高壓保(bao)險(xian)(xian)絲(si)(si)(si)SBFC

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