電(dian)(dian)阻(zu)(zu)(zu)有很多種。根據電(dian)(dian)阻(zu)(zu)(zu)材(cai)料,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)和薄膜型(xing)。薄膜型(xing)包括碳膜型(xing)、金屬(shu)膜型(xing)、金屬(shu)箔型(xing)、金屬(shu)氧(yang)化膜型(xing)、玻璃(li)釉膜型(xing)等;根據電(dian)(dian)阻(zu)(zu)(zu)的(de)特殊用(yong)途,可分為熱敏(min)(min)電(dian)(dian)阻(zu)(zu)(zu)、壓敏(min)(min)電(dian)(dian)阻(zu)(zu)(zu)、光敏(min)(min)電(dian)(dian)阻(zu)(zu)(zu)、力敏(min)(min)電(dian)(dian)阻(zu)(zu)(zu)、磁(ci)敏(min)(min)電(dian)(dian)阻(zu)(zu)(zu)、氣敏(min)(min)電(dian)(dian)阻(zu)(zu)(zu)、濕敏(min)(min)電(dian)(dian)阻(zu)(zu)(zu),
滑動電(dian)(dian)阻和(he)熱敏電(dian)(dian)阻是汽(qi)車上(shang)常見(jian)的電(dian)(dian)阻。
汽車電(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)(de)作用是限(xian)制電(dian)(dian)(dian)(dian)路內(nei)電(dian)(dian)(dian)(dian)流。在(zai)電(dian)(dian)(dian)(dian)子(zi)系統中(zhong),電(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)(de)作用非常(chang)重要。除(chu)作為元件(jian)的(de)(de)標準電(dian)(dian)(dian)(dian)阻(zu)(zu)外,其他各部件(jian)都有一個可影響電(dian)(dian)(dian)(dian)路電(dian)(dian)(dian)(dian)壓和電(dian)(dian)(dian)(dian)流的(de)(de)電(dian)(dian)(dian)(dian)阻(zu)(zu)值。 固定電(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)和可變電(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)在(zai)機動車電(dian)(dian)(dian)(dian)子(zi)系統內(nei)使用。
以下是對(dui)其的擴展(zhan)介紹:、
1、電(dian)阻(zu)的(de)(de)(de)介紹(shao):電(dian)阻(zu)是(shi)描(miao)述導(dao)(dao)體導(dao)(dao)電(dian)性(xing)能的(de)(de)(de)物理量,用(yong)R表示。電(dian)阻(zu)的(de)(de)(de)大小(xiao)可以用(yong)來衡量導(dao)(dao)體對電(dian)流阻(zu)礙(ai)作用(yong)的(de)(de)(de)強弱,即導(dao)(dao)電(dian)性(xing)能的(de)(de)(de)好壞。電(dian)阻(zu)的(de)(de)(de)量值與導(dao)(dao)體的(de)(de)(de)材料、形狀、體積以及周圍環境等因(yin)素有(you)關(guan)。
2、電阻(zu)(zu)(zu)的分(fen)類(lei):不(bu)(bu)同導體(ti)的電阻(zu)(zu)(zu)按其性質的不(bu)(bu)同還(huan)可分(fen)為兩種類(lei)型。一類(lei)稱為線性電阻(zu)(zu)(zu)或歐(ou)姆電阻(zu)(zu)(zu),滿足歐(ou)姆定律; 另(ling)一類(lei)稱為非(fei)線性電阻(zu)(zu)(zu),不(bu)(bu)滿足歐(ou)姆定律。
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