電(dian)(dian)阻(zu)(zu)有很多種。根(gen)據(ju)電(dian)(dian)阻(zu)(zu)材料,可分(fen)為(wei)繞線型(xing)(xing)(xing)(xing)和非繞線型(xing)(xing)(xing)(xing)。非繞線型(xing)(xing)(xing)(xing)分(fen)為(wei)合成型(xing)(xing)(xing)(xing)和薄膜(mo)(mo)(mo)型(xing)(xing)(xing)(xing)。薄膜(mo)(mo)(mo)型(xing)(xing)(xing)(xing)包括碳(tan)膜(mo)(mo)(mo)型(xing)(xing)(xing)(xing)、金屬膜(mo)(mo)(mo)型(xing)(xing)(xing)(xing)、金屬箔型(xing)(xing)(xing)(xing)、金屬氧化膜(mo)(mo)(mo)型(xing)(xing)(xing)(xing)、玻璃釉膜(mo)(mo)(mo)型(xing)(xing)(xing)(xing)等;根(gen)據(ju)電(dian)(dian)阻(zu)(zu)的特(te)殊用途,可分(fen)為(wei)熱敏(min)(min)電(dian)(dian)阻(zu)(zu)、壓敏(min)(min)電(dian)(dian)阻(zu)(zu)、光敏(min)(min)電(dian)(dian)阻(zu)(zu)、力敏(min)(min)電(dian)(dian)阻(zu)(zu)、磁敏(min)(min)電(dian)(dian)阻(zu)(zu)、氣敏(min)(min)電(dian)(dian)阻(zu)(zu)、濕敏(min)(min)電(dian)(dian)阻(zu)(zu),
滑動電阻(zu)和熱敏電阻(zu)是汽(qi)車上常(chang)見的電阻(zu)。
汽(qi)車電(dian)(dian)(dian)阻(zu)(zu)的作用(yong)(yong)是限制電(dian)(dian)(dian)路(lu)內(nei)電(dian)(dian)(dian)流。在電(dian)(dian)(dian)子(zi)系統中,電(dian)(dian)(dian)阻(zu)(zu)的作用(yong)(yong)非常重要。除(chu)作為(wei)元件(jian)的標準(zhun)電(dian)(dian)(dian)阻(zu)(zu)外,其他各部件(jian)都有一個可(ke)影響(xiang)電(dian)(dian)(dian)路(lu)電(dian)(dian)(dian)壓和電(dian)(dian)(dian)流的電(dian)(dian)(dian)阻(zu)(zu)值。 固定電(dian)(dian)(dian)阻(zu)(zu)器和可(ke)變(bian)電(dian)(dian)(dian)阻(zu)(zu)器在機動(dong)車電(dian)(dian)(dian)子(zi)系統內(nei)使用(yong)(yong)。
以下(xia)是(shi)對其的擴展介紹:、
1、電(dian)(dian)(dian)(dian)阻的(de)介紹:電(dian)(dian)(dian)(dian)阻是描述導(dao)(dao)體導(dao)(dao)電(dian)(dian)(dian)(dian)性能(neng)的(de)物理量(liang),用R表示(shi)。電(dian)(dian)(dian)(dian)阻的(de)大小(xiao)可(ke)以(yi)用來衡量(liang)導(dao)(dao)體對(dui)電(dian)(dian)(dian)(dian)流阻礙作用的(de)強弱(ruo),即導(dao)(dao)電(dian)(dian)(dian)(dian)性能(neng)的(de)好(hao)壞。電(dian)(dian)(dian)(dian)阻的(de)量(liang)值與導(dao)(dao)體的(de)材料、形狀(zhuang)、體積(ji)以(yi)及周圍環(huan)境等因素有(you)關。
2、電(dian)阻(zu)(zu)的(de)分類:不同導(dao)體(ti)的(de)電(dian)阻(zu)(zu)按(an)其性(xing)質的(de)不同還(huan)可(ke)分為兩種類型。一類稱為線(xian)性(xing)電(dian)阻(zu)(zu)或(huo)歐(ou)姆(mu)電(dian)阻(zu)(zu),滿(man)足(zu)歐(ou)姆(mu)定律; 另(ling)一類稱為非線(xian)性(xing)電(dian)阻(zu)(zu),不滿(man)足(zu)歐(ou)姆(mu)定律。
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