充(chong)(chong)(chong)電(dian)樁其功能類(lei)似(si)于(yu)加(jia)油站里面的加(jia)油機，可(ke)以固定在地(di)面或(huo)墻(qiang)壁，安裝于(yu)公(gong)共建筑（公(gong)共樓宇、商場、公(gong)共停(ting)(ting)車(che)場等）和居民(min)小區停(ting)(ting)車(che)場或(huo)充(chong)(chong)(chong)電(dian)站內，可(ke)以根據不同的電(dian)壓等級為(wei)各(ge)種型號(hao)的電(dian)動汽車(che)充(chong)(chong)(chong)電(dian)。充(chong)(chong)(chong)電(dian)樁的輸入端與交流(liu)電(dian)網直(zhi)接(jie)連接(jie)，輸出端都(dou)裝有(you)充(chong)(chong)(chong)電(dian)插頭用于(yu)為(wei)電(dian)動汽車(che)充(chong)(chong)(chong)電(dian)

充電機內印刷線(xian)路板、 接插件(jian)等(deng)電路應進行(xing)防(fang)(fang)潮濕、防(fang)(fang)霉(mei)變(bian)、防(fang)(fang)鹽霧(wu)處(chu)理(li)，其中(zhong)防(fang)(fang)鹽霧(wu)腐蝕(shi)能力滿足 GB/T 4797.6-1995《電工電子產品自然環(huan)境(jing)條件(jian) 塵、沙、鹽霧(wu)》中(zhong)表9的要(yao)求，使充電機能在室外潮濕、含(han)鹽霧(wu)的環(huan)境(jing)下(xia)正常運(yun)行(xing)。

隨著(zhu)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)子技術(shu)(shu)和(he)變流控制(zhi)技術(shu)(shu)的(de)(de)(de)飛速(su)發展(zhan)，高精度可控變流技術(shu)(shu)的(de)(de)(de)成熟和(he)普及(ji)，分(fen)階(jie)段恒(heng)流充電(dian)(dian)(dian)(dian)模式(shi)(shi)已經(jing)基本被(bei)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流和(he)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)(ya)連續變化的(de)(de)(de)恒(heng)壓(ya)(ya)限流充電(dian)(dian)(dian)(dian)模式(shi)(shi)取代。主導充電(dian)(dian)(dian)(dian)工藝(yi)的(de)(de)(de)還是恒(heng)壓(ya)(ya)限流充電(dian)(dian)(dian)(dian)模式(shi)(shi)。接觸(chu)式(shi)(shi)充電(dian)(dian)(dian)(dian)的(de)(de)(de)最大問題在于它的(de)(de)(de)安(an)(an)(an)全(quan)(quan)性和(he)通用性。為了(le)使(shi)它滿足嚴格的(de)(de)(de)安(an)(an)(an)全(quan)(quan)充電(dian)(dian)(dian)(dian)標(biao)準(zhun)，必須在電(dian)(dian)(dian)(dian)路上采用許多措施使(shi)充電(dian)(dian)(dian)(dian)設備能夠在各(ge)種(zhong)環境下安(an)(an)(an)全(quan)(quan)充電(dian)(dian)(dian)(dian)，恒(heng)壓(ya)(ya)限流充電(dian)(dian)(dian)(dian)和(he)分(fen)階(jie)段恒(heng)流充電(dian)(dian)(dian)(dian)均(jun)屬于接觸(chu)式(shi)(shi)充電(dian)(dian)(dian)(dian)技術(shu)(shu)。新(xin)型的(de)(de)(de)電(dian)(dian)(dian)(dian)動(dong)汽車感應(ying)充電(dian)(dian)(dian)(dian)技術(shu)(shu)發展(zhan)很快。

對于配電(dian)(dian)變壓器容量在(zai)100kV·A及以(yi)(yi)上(shang)的配電(dian)(dian)箱(xiang)(xiang)體，在(zai)箱(xiang)(xiang)內(nei)散熱(re)窗靠(kao)側壁處，應考慮到安(an)裝溫控繼(ji)電(dian)(dian)器（JU-3型(xing)(xing)或JU-4超小(xiao)型(xing)(xing)溫度(du)(du)繼(ji)電(dian)(dian)器）和軸流(liu)風(feng)機，安(an)裝在(zai)控制電(dian)(dian)器板上(shang)方(fang)左側面的箱(xiang)(xiang)體上(shang)，以(yi)(yi)便使箱(xiang)(xiang)內(nei)溫度(du)(du)達到一定值時（如40℃）能自動啟動排氣(qi)扇，強行排出熱(re)量以(yi)(yi)使箱(xiang)(xiang)體散熱(re)。

這類開關柜采用鋼板制成封閉外殼，四川汽車充電樁進出線回路的電器元件都安裝在可抽出的抽屜中，汽車充電樁哪家好構成能完成某一類供電(dian)(dian)任務的(de)功(gong)能單元(yuan)。功(gong)能單元(yuan)與母線或電(dian)(dian)纜(lan)之(zhi)間(jian)，用接地的(de)金屬板或塑(su)料制(zhi)成的(de)功(gong)能板隔(ge)開(kai)(kai)，形成母線、功(gong)能單元(yuan)和電(dian)(dian)纜(lan)三個(ge)區(qu)域。每個(ge)功(gong)能單元(yuan)之(zhi)間(jian)也有隔(ge)離措施。抽屜(ti)式開(kai)(kai)關(guan)柜(ju)有較(jiao)高的(de)可(ke)靠性、安(an)全性和互換性，是比(bi)較(jiao)先(xian)進的(de)開(kai)(kai)關(guan)柜(ju)，開(kai)(kai)關(guan)柜(ju)多數是指(zhi)抽屜(ti)式開(kai)(kai)關(guan)柜(ju)。它們適(shi)用于要求(qiu)供電(dian)(dian)可(ke)靠性較(jiao)高的(de)工(gong)礦(kuang)企業、高層建筑，作為集中控(kong)制(zhi)的(de)配電(dian)(dian)中心。