電(dian)(dian)(dian)(dian)阻(zu)(zu)有很多種。根據電(dian)(dian)(dian)(dian)阻(zu)(zu)材(cai)料,可分為繞(rao)線(xian)(xian)型(xing)(xing)(xing)和(he)非(fei)繞(rao)線(xian)(xian)型(xing)(xing)(xing)。非(fei)繞(rao)線(xian)(xian)型(xing)(xing)(xing)分為合成(cheng)型(xing)(xing)(xing)和(he)薄膜(mo)(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)。薄膜(mo)(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)包括碳膜(mo)(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)、金(jin)屬膜(mo)(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)、金(jin)屬箔(bo)型(xing)(xing)(xing)、金(jin)屬氧化膜(mo)(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)、玻璃釉(you)膜(mo)(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)等(deng);根據電(dian)(dian)(dian)(dian)阻(zu)(zu)的特(te)殊用(yong)途,可分為熱敏電(dian)(dian)(dian)(dian)阻(zu)(zu)、壓(ya)敏電(dian)(dian)(dian)(dian)阻(zu)(zu)、光敏電(dian)(dian)(dian)(dian)阻(zu)(zu)、力(li)敏電(dian)(dian)(dian)(dian)阻(zu)(zu)、磁敏電(dian)(dian)(dian)(dian)阻(zu)(zu)、氣敏電(dian)(dian)(dian)(dian)阻(zu)(zu)、濕敏電(dian)(dian)(dian)(dian)阻(zu)(zu),
滑動(dong)電阻和熱敏(min)電阻是汽車(che)上常見的電阻。
汽車(che)電(dian)(dian)(dian)(dian)(dian)阻的(de)作(zuo)用是限制電(dian)(dian)(dian)(dian)(dian)路(lu)內電(dian)(dian)(dian)(dian)(dian)流。在電(dian)(dian)(dian)(dian)(dian)子系統(tong)中,電(dian)(dian)(dian)(dian)(dian)阻的(de)作(zuo)用非常(chang)重要(yao)。除(chu)作(zuo)為元件的(de)標準電(dian)(dian)(dian)(dian)(dian)阻外(wai),其他各部件都有一(yi)個可(ke)影響電(dian)(dian)(dian)(dian)(dian)路(lu)電(dian)(dian)(dian)(dian)(dian)壓(ya)和電(dian)(dian)(dian)(dian)(dian)流的(de)電(dian)(dian)(dian)(dian)(dian)阻值(zhi)。 固定電(dian)(dian)(dian)(dian)(dian)阻器和可(ke)變電(dian)(dian)(dian)(dian)(dian)阻器在機動(dong)車(che)電(dian)(dian)(dian)(dian)(dian)子系統(tong)內使用。
以(yi)下是(shi)對(dui)其的擴展介紹(shao):、
1、電(dian)(dian)阻的(de)介紹:電(dian)(dian)阻是描述導(dao)體導(dao)電(dian)(dian)性(xing)能的(de)物理量,用(yong)R表示。電(dian)(dian)阻的(de)大小可(ke)以(yi)用(yong)來衡(heng)量導(dao)體對電(dian)(dian)流阻礙作用(yong)的(de)強弱,即(ji)導(dao)電(dian)(dian)性(xing)能的(de)好壞。電(dian)(dian)阻的(de)量值與(yu)導(dao)體的(de)材料、形狀、體積以(yi)及周圍(wei)環境等(deng)因素有關。
2、電(dian)(dian)阻(zu)(zu)的(de)分(fen)(fen)類:不同導體的(de)電(dian)(dian)阻(zu)(zu)按其(qi)性(xing)質(zhi)的(de)不同還可(ke)分(fen)(fen)為(wei)兩種類型(xing)。一類稱(cheng)為(wei)線性(xing)電(dian)(dian)阻(zu)(zu)或歐(ou)姆(mu)(mu)電(dian)(dian)阻(zu)(zu),滿(man)(man)足歐(ou)姆(mu)(mu)定律; 另一類稱(cheng)為(wei)非線性(xing)電(dian)(dian)阻(zu)(zu),不滿(man)(man)足歐(ou)姆(mu)(mu)定律。
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