公司產(chan)品(pin)包括(kuo)高低壓電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)(lan),控制(zhi)電(dian)(dian)(dian)纜(lan)(lan)(lan),架空絞線(xian),架空絕(jue)緣電(dian)(dian)(dian)纜(lan)(lan)(lan),橡套電(dian)(dian)(dian)纜(lan)(lan)(lan),屏蔽(bi)電(dian)(dian)(dian)纜(lan)(lan)(lan),硅(gui)橡膠耐高溫電(dian)(dian)(dian)纜(lan)(lan)(lan),有線(xian)電(dian)(dian)(dian)視物理(li)發(fa)泡同軸電(dian)(dian)(dian)纜(lan)(lan)(lan),閉路電(dian)(dian)(dian)視專用射頻電(dian)(dian)(dian)纜(lan)(lan)(lan)以(yi)及計算機電(dian)(dian)(dian)纜(lan)(lan)(lan)等十大類幾(ji)百(bai)個品(pin)種系列(lie)。
本產品適用于(yu)(yu)額定電(dian)(dian)(dian)(dian)壓(ya)500V及以下對于(yu)(yu)防干擾(rao)性要求較(jiao)高的(de)電(dian)(dian)(dian)(dian)子計算(suan)機(ji)和自動化連(lian)接用電(dian)(dian)(dian)(dian)纜(lan)。電(dian)(dian)(dian)(dian)纜(lan)地線芯絕(jue)緣采用具(ju)有抗(kang)氧化性能的(de)K型B類低(di)密度(du)聚乙烯。敷設(she)(she)時(shi)環境溫度(du)不低(di)于(yu)(yu):固定敷設(she)(she)-40℃,非固定敷設(she)(she)-15℃。最小彎曲半(ban)徑:無鎧(kai)裝層應不小于(yu)(yu)電(dian)(dian)(dian)(dian)纜(lan)外徑的(de)6倍(bei),帶鎧(kai)裝層的(de)電(dian)(dian)(dian)(dian)纜(lan)應不小于(yu)(yu)電(dian)(dian)(dian)(dian)纜(lan)外徑計算(suan)機(ji)電(dian)(dian)(dian)(dian)纜(lan)計算(suan)機(ji)電(dian)(dian)(dian)(dian)纜(lan)的(de)12倍(bei)。在20℃時(shi)用直(zhi)流500V電(dian)(dian)(dian)(dian)壓(ya)試驗穩定充電(dian)(dian)(dian)(dian)1min后絕(jue)緣電(dian)(dian)(dian)(dian)阻應不小于(yu)(yu)2500MΩ·Km。
各對絞屏(ping)蔽(bi)之(zhi)(zhi)間(jian)以及對絞屏(ping)蔽(bi)與總屏(ping)蔽(bi)之(zhi)(zhi)間(jian)應不(bu)斷路。電纜(lan)(lan)的(de)(de)線芯(xin)和(he)線芯(xin)之(zhi)(zhi)間(jian)以及屏(ping)蔽(bi)之(zhi)(zhi)間(jian)應經(jing)受(shou)50HZ,交流(liu)2000V電壓試(shi)驗5min不(bu)擊穿。聚乙烯(xi)的(de)(de)絕緣(yuan)電阻高(gao),耐電壓好,介電系數小和(he)介質損耗溫度和(he)變(bian)頻率的(de)(de)影響也小,不(bu)但(dan)能(neng)滿足傳(chuan)輸性能(neng)的(de)(de)要求,而且能(neng)確保(bao)電纜(lan)(lan)的(de)(de)使用壽命(ming)。
為了(le)減少回路間(jian)的(de)(de)相互(hu)串(chuan)擾和外(wai)部干(gan)擾,電纜(lan)采用屏(ping)(ping)蔽(bi)(bi)(bi)結構。電纜(lan)的(de)(de)屏(ping)(ping)蔽(bi)(bi)(bi)要求是根據不同(tong)場合分別采用:對(dui)(dui)絞組(zu)合屏(ping)(ping)蔽(bi)(bi)(bi)、對(dui)(dui)絞組(zu)成(cheng)電纜(lan)的(de)(de)總屏(ping)(ping)蔽(bi)(bi)(bi)、對(dui)(dui)絞組(zu)合屏(ping)(ping)蔽(bi)(bi)(bi)后總屏(ping)(ping)蔽(bi)(bi)(bi)等方法。屏(ping)(ping)蔽(bi)(bi)(bi)材料(liao)(liao)有圓(yuan)銅線,銅帶(dai)、鋁帶(dai)/塑料(liao)(liao)復(fu)合帶(dai)三(san)種。屏(ping)(ping)蔽(bi)(bi)(bi)對(dui)(dui)與(yu)屏(ping)(ping)蔽(bi)(bi)(bi)對(dui)(dui)具有較好的(de)(de)絕緣性能,電纜(lan)在使用中若屏(ping)(ping)蔽(bi)(bi)(bi)對(dui)(dui)屏(ping)(ping)蔽(bi)(bi)(bi)對(dui)(dui)之間(jian)出現電位差時,不會影(ying)響(xiang)信號(hao)的(de)(de)傳輸質量。