集(ji)電(dian)器(qi)是(shi)滑(hua)觸(chu)線(xian)係(xi)統(tong)中(zhong)集(ji)電(dian)側(ce)拾(shi)取(qu)電(dian)能(neng)的(de)主(zhu)要(yao)裝(zhuang)置(zhi)

，它(ta)通(tong)過(guo)集(ji)電(dian)刷(shua)與(yu)導(dao)軌(gui)的(de)滑(hua)動(dong)接(jie)觸(chu)，將(jiang)電(dian)能(neng)直(zhi)接(jie)傳(chuan)導(dao)至(zhi)用(yong)電(dian)器(qi)，從(cong)而(er)實(shi)現(xian)係(xi)統(tong)的(de)移(yi)動(dong)供(gong)電(dian)。集(ji)電(dian)器(qi)由(you)機(ji)械(xie)結(jie)構(gou)的(de)張(zhang)力(li)裝(zhuang)置(zhi)和(he)直(zhi)接(jie)與(yu)導(dao)軌(gui)滑(hua)動(dong)接(jie)觸(chu)的(de)集(ji)電(dian)刷(shua)兩(liang)部(bu)分(fen)組(zu)成(cheng)。

機ji械xie結jie構gou的de張zhang力li裝zhuang置zhi決jue定ding集ji電dian刷shua與yu導dao軌gui的de滑hua動dong接jie觸chu壓ya力li和he機ji構gou的de穩wen定ding性xing
，集ji電dian刷shua則ze是shi導dao軌gui滑hua動dong接jie觸chu拾shi取qu電dian能neng的de導dao體ti
，它ta的de性xing能neng和he導dao電dian質zhi量liang以yi及ji材cai料liao結jie構gou成cheng分fen的de優you劣lie，將jiang直zhi接jie影ying響xiang整zheng個ge係xi統tong設she備bei的de安an全quan運yun行xing質zhi量liang。