電(dian)阻有很(hen)多(duo)種。根據(ju)電(dian)阻材(cai)料(liao),可(ke)分(fen)為(wei)繞線型(xing)(xing)(xing)和非(fei)繞線型(xing)(xing)(xing)。非(fei)繞線型(xing)(xing)(xing)分(fen)為(wei)合(he)成型(xing)(xing)(xing)和薄膜(mo)(mo)(mo)型(xing)(xing)(xing)。薄膜(mo)(mo)(mo)型(xing)(xing)(xing)包括碳膜(mo)(mo)(mo)型(xing)(xing)(xing)、金屬(shu)(shu)(shu)膜(mo)(mo)(mo)型(xing)(xing)(xing)、金屬(shu)(shu)(shu)箔型(xing)(xing)(xing)、金屬(shu)(shu)(shu)氧(yang)化膜(mo)(mo)(mo)型(xing)(xing)(xing)、玻璃釉膜(mo)(mo)(mo)型(xing)(xing)(xing)等;根據(ju)電(dian)阻的特殊用途,可(ke)分(fen)為(wei)熱敏(min)電(dian)阻、壓敏(min)電(dian)阻、光敏(min)電(dian)阻、力敏(min)電(dian)阻、磁敏(min)電(dian)阻、氣敏(min)電(dian)阻、濕敏(min)電(dian)阻,
滑動電(dian)阻和熱敏電(dian)阻是汽車上常見的電(dian)阻。
汽車電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的作(zuo)(zuo)(zuo)用是限制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)路內電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系統(tong)中,電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的作(zuo)(zuo)(zuo)用非常重(zhong)要。除(chu)作(zuo)(zuo)(zuo)為元件的標準(zhun)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)外,其他各部件都有一(yi)個可影響(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)路電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值。 固定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器和(he)可變電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器在(zai)機動車電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)系統(tong)內使用。
以下是對其的(de)擴展介紹:、
1、電(dian)(dian)阻(zu)的(de)(de)(de)(de)介紹(shao):電(dian)(dian)阻(zu)是(shi)描述導(dao)(dao)體(ti)導(dao)(dao)電(dian)(dian)性能的(de)(de)(de)(de)物理量,用(yong)R表(biao)示(shi)。電(dian)(dian)阻(zu)的(de)(de)(de)(de)大小可以(yi)用(yong)來衡量導(dao)(dao)體(ti)對電(dian)(dian)流(liu)阻(zu)礙作(zuo)用(yong)的(de)(de)(de)(de)強弱,即(ji)導(dao)(dao)電(dian)(dian)性能的(de)(de)(de)(de)好(hao)壞。電(dian)(dian)阻(zu)的(de)(de)(de)(de)量值(zhi)與(yu)導(dao)(dao)體(ti)的(de)(de)(de)(de)材料、形狀(zhuang)、體(ti)積(ji)以(yi)及周圍環境等因(yin)素有關。
2、電(dian)(dian)阻(zu)(zu)(zu)的分類(lei):不同導(dao)體的電(dian)(dian)阻(zu)(zu)(zu)按(an)其(qi)性(xing)(xing)質(zhi)的不同還(huan)可分為兩種類(lei)型(xing)。一類(lei)稱為線性(xing)(xing)電(dian)(dian)阻(zu)(zu)(zu)或歐姆電(dian)(dian)阻(zu)(zu)(zu),滿(man)足(zu)(zu)歐姆定律(lv); 另一類(lei)稱為非線性(xing)(xing)電(dian)(dian)阻(zu)(zu)(zu),不滿(man)足(zu)(zu)歐姆定律(lv)。
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