電(dian)(dian)(dian)阻有很多種。根據(ju)電(dian)(dian)(dian)阻材料,可分(fen)為繞(rao)線(xian)型(xing)(xing)和非繞(rao)線(xian)型(xing)(xing)。非繞(rao)線(xian)型(xing)(xing)分(fen)為合成型(xing)(xing)和薄(bo)膜(mo)(mo)型(xing)(xing)。薄(bo)膜(mo)(mo)型(xing)(xing)包括碳(tan)膜(mo)(mo)型(xing)(xing)、金屬(shu)膜(mo)(mo)型(xing)(xing)、金屬(shu)箔型(xing)(xing)、金屬(shu)氧化膜(mo)(mo)型(xing)(xing)、玻璃釉膜(mo)(mo)型(xing)(xing)等;根據(ju)電(dian)(dian)(dian)阻的特殊(shu)用途,可分(fen)為熱敏(min)電(dian)(dian)(dian)阻、壓敏(min)電(dian)(dian)(dian)阻、光(guang)敏(min)電(dian)(dian)(dian)阻、力敏(min)電(dian)(dian)(dian)阻、磁敏(min)電(dian)(dian)(dian)阻、氣敏(min)電(dian)(dian)(dian)阻、濕敏(min)電(dian)(dian)(dian)阻,
滑動(dong)電阻(zu)(zu)和熱敏電阻(zu)(zu)是汽車上常(chang)見的電阻(zu)(zu)。
汽車(che)電(dian)(dian)(dian)阻(zu)(zu)的(de)作用是限制電(dian)(dian)(dian)路內(nei)電(dian)(dian)(dian)流(liu)。在電(dian)(dian)(dian)子系統中,電(dian)(dian)(dian)阻(zu)(zu)的(de)作用非(fei)常重要(yao)。除作為元件(jian)(jian)的(de)標(biao)準電(dian)(dian)(dian)阻(zu)(zu)外,其他(ta)各(ge)部件(jian)(jian)都有一(yi)個可影響電(dian)(dian)(dian)路電(dian)(dian)(dian)壓和電(dian)(dian)(dian)流(liu)的(de)電(dian)(dian)(dian)阻(zu)(zu)值。 固定電(dian)(dian)(dian)阻(zu)(zu)器和可變電(dian)(dian)(dian)阻(zu)(zu)器在機動車(che)電(dian)(dian)(dian)子系統內(nei)使用。
以下是對其的擴(kuo)展介紹:、
1、電(dian)(dian)(dian)阻(zu)(zu)的(de)介(jie)紹(shao):電(dian)(dian)(dian)阻(zu)(zu)是描(miao)述導(dao)(dao)(dao)(dao)體(ti)(ti)導(dao)(dao)(dao)(dao)電(dian)(dian)(dian)性(xing)能的(de)物理量(liang),用R表示。電(dian)(dian)(dian)阻(zu)(zu)的(de)大小可(ke)以(yi)用來(lai)衡量(liang)導(dao)(dao)(dao)(dao)體(ti)(ti)對電(dian)(dian)(dian)流阻(zu)(zu)礙作(zuo)用的(de)強弱,即導(dao)(dao)(dao)(dao)電(dian)(dian)(dian)性(xing)能的(de)好壞。電(dian)(dian)(dian)阻(zu)(zu)的(de)量(liang)值(zhi)與導(dao)(dao)(dao)(dao)體(ti)(ti)的(de)材料、形狀、體(ti)(ti)積以(yi)及周圍(wei)環境(jing)等因(yin)素有(you)關。
2、電(dian)(dian)阻的分類:不同導體的電(dian)(dian)阻按(an)其性(xing)質的不同還可分為兩(liang)種類型。一類稱為線(xian)性(xing)電(dian)(dian)阻或歐姆(mu)電(dian)(dian)阻,滿足(zu)歐姆(mu)定(ding)律; 另一類稱為非線(xian)性(xing)電(dian)(dian)阻,不滿足(zu)歐姆(mu)定(ding)律。
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