電(dian)(dian)(dian)(dian)阻(zu)有很(hen)多種。根據(ju)電(dian)(dian)(dian)(dian)阻(zu)材料,可分為繞線型(xing)(xing)(xing)和非繞線型(xing)(xing)(xing)。非繞線型(xing)(xing)(xing)分為合(he)成(cheng)型(xing)(xing)(xing)和薄(bo)(bo)膜(mo)型(xing)(xing)(xing)。薄(bo)(bo)膜(mo)型(xing)(xing)(xing)包括碳膜(mo)型(xing)(xing)(xing)、金(jin)(jin)屬膜(mo)型(xing)(xing)(xing)、金(jin)(jin)屬箔型(xing)(xing)(xing)、金(jin)(jin)屬氧化膜(mo)型(xing)(xing)(xing)、玻璃釉膜(mo)型(xing)(xing)(xing)等;根據(ju)電(dian)(dian)(dian)(dian)阻(zu)的(de)特殊用途,可分為熱敏(min)(min)電(dian)(dian)(dian)(dian)阻(zu)、壓敏(min)(min)電(dian)(dian)(dian)(dian)阻(zu)、光敏(min)(min)電(dian)(dian)(dian)(dian)阻(zu)、力敏(min)(min)電(dian)(dian)(dian)(dian)阻(zu)、磁(ci)敏(min)(min)電(dian)(dian)(dian)(dian)阻(zu)、氣敏(min)(min)電(dian)(dian)(dian)(dian)阻(zu)、濕敏(min)(min)電(dian)(dian)(dian)(dian)阻(zu),
滑動電(dian)阻和熱敏(min)電(dian)阻是汽車上常見的電(dian)阻。
汽車(che)電(dian)(dian)(dian)(dian)(dian)阻的(de)作(zuo)用(yong)是限(xian)制(zhi)電(dian)(dian)(dian)(dian)(dian)路內(nei)電(dian)(dian)(dian)(dian)(dian)流(liu)。在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)子(zi)系統中,電(dian)(dian)(dian)(dian)(dian)阻的(de)作(zuo)用(yong)非常重(zhong)要。除(chu)作(zuo)為元件的(de)標準(zhun)電(dian)(dian)(dian)(dian)(dian)阻外,其他各部件都有(you)一個可(ke)(ke)影(ying)響(xiang)電(dian)(dian)(dian)(dian)(dian)路電(dian)(dian)(dian)(dian)(dian)壓和電(dian)(dian)(dian)(dian)(dian)流(liu)的(de)電(dian)(dian)(dian)(dian)(dian)阻值。 固定電(dian)(dian)(dian)(dian)(dian)阻器和可(ke)(ke)變電(dian)(dian)(dian)(dian)(dian)阻器在(zai)(zai)機動車(che)電(dian)(dian)(dian)(dian)(dian)子(zi)系統內(nei)使用(yong)。
以下(xia)是對其的擴展介紹(shao):、
1、電(dian)(dian)(dian)阻的介紹(shao):電(dian)(dian)(dian)阻是描(miao)述(shu)導(dao)(dao)體(ti)導(dao)(dao)電(dian)(dian)(dian)性能的物理量,用R表示。電(dian)(dian)(dian)阻的大小可以用來衡量導(dao)(dao)體(ti)對電(dian)(dian)(dian)流(liu)阻礙(ai)作用的強弱(ruo),即導(dao)(dao)電(dian)(dian)(dian)性能的好壞。電(dian)(dian)(dian)阻的量值與導(dao)(dao)體(ti)的材料、形狀、體(ti)積以及周圍環境等(deng)因素有關。
2、電(dian)阻(zu)(zu)的(de)分類(lei):不(bu)(bu)同導體(ti)的(de)電(dian)阻(zu)(zu)按其性(xing)(xing)質的(de)不(bu)(bu)同還可(ke)分為(wei)兩種(zhong)類(lei)型。一類(lei)稱為(wei)線(xian)性(xing)(xing)電(dian)阻(zu)(zu)或歐(ou)姆(mu)電(dian)阻(zu)(zu),滿(man)足歐(ou)姆(mu)定(ding)(ding)律; 另(ling)一類(lei)稱為(wei)非線(xian)性(xing)(xing)電(dian)阻(zu)(zu),不(bu)(bu)滿(man)足歐(ou)姆(mu)定(ding)(ding)律。
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