電(dian)(dian)(dian)(dian)阻有很多種(zhong)。根據電(dian)(dian)(dian)(dian)阻材料(liao),可分為繞(rao)線型(xing)和非(fei)繞(rao)線型(xing)。非(fei)繞(rao)線型(xing)分為合成型(xing)和薄(bo)膜型(xing)。薄(bo)膜型(xing)包括(kuo)碳膜型(xing)、金屬膜型(xing)、金屬箔型(xing)、金屬氧化膜型(xing)、玻璃釉膜型(xing)等;根據電(dian)(dian)(dian)(dian)阻的(de)特(te)殊用途,可分為熱(re)敏(min)電(dian)(dian)(dian)(dian)阻、壓敏(min)電(dian)(dian)(dian)(dian)阻、光敏(min)電(dian)(dian)(dian)(dian)阻、力敏(min)電(dian)(dian)(dian)(dian)阻、磁敏(min)電(dian)(dian)(dian)(dian)阻、氣(qi)敏(min)電(dian)(dian)(dian)(dian)阻、濕敏(min)電(dian)(dian)(dian)(dian)阻,
滑動電阻(zu)和(he)熱敏(min)電阻(zu)是汽車上常(chang)見(jian)的電阻(zu)。
汽車電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)作用是限(xian)制電(dian)(dian)(dian)(dian)(dian)路內(nei)電(dian)(dian)(dian)(dian)(dian)流。在電(dian)(dian)(dian)(dian)(dian)子系統中(zhong),電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)作用非(fei)常重要。除(chu)作為元件的(de)標準電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)外(wai),其他各部件都有一個(ge)可(ke)影響(xiang)電(dian)(dian)(dian)(dian)(dian)路電(dian)(dian)(dian)(dian)(dian)壓和電(dian)(dian)(dian)(dian)(dian)流的(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值。 固定電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器和可(ke)變電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器在機動車電(dian)(dian)(dian)(dian)(dian)子系統內(nei)使(shi)用。
以下(xia)是對其的(de)擴展介紹:、
1、電(dian)阻的(de)(de)介紹:電(dian)阻是描(miao)述(shu)導體導電(dian)性能的(de)(de)物理量(liang),用(yong)(yong)R表示。電(dian)阻的(de)(de)大小可以用(yong)(yong)來(lai)衡量(liang)導體對電(dian)流(liu)阻礙作用(yong)(yong)的(de)(de)強(qiang)弱(ruo),即導電(dian)性能的(de)(de)好(hao)壞。電(dian)阻的(de)(de)量(liang)值與導體的(de)(de)材(cai)料(liao)、形狀、體積(ji)以及(ji)周圍環境等因(yin)素有(you)關。
2、電(dian)阻(zu)的(de)分類(lei):不同(tong)導體的(de)電(dian)阻(zu)按其性(xing)質的(de)不同(tong)還可分為(wei)兩種類(lei)型。一類(lei)稱為(wei)線性(xing)電(dian)阻(zu)或歐姆(mu)電(dian)阻(zu),滿足歐姆(mu)定律(lv); 另一類(lei)稱為(wei)非線性(xing)電(dian)阻(zu),不滿足歐姆(mu)定律(lv)。
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