在臺鈴電動車“炫(xuan)耀(yao)”的(de)充電(dian)口有發現‘220V強電(dian)、禁止觸碰’的(de)標貼，這是(shi)是(shi)在之前(qian)的(de)電(dian)動(dong)(dong)車(che)沒有的(de)。難道這是(shi)用來恐嚇小偷的(de)嗎？難道跑150公里用到了220V高壓(ya)電(dian)池？官方參數(shu)顯示這款炫(xuan)耀(yao)電(dian)動(dong)(dong)車(che)的(de)電(dian)池電(dian)壓(ya)是(shi)48V啊(a)？怎么(me)回事呢？

這(zhe)里(li)普及一下鉛酸電(dian)(dian)池(chi)(chi)的(de)(de)充電(dian)(dian)器(qi)充電(dian)(dian)電(dian)(dian)壓要高于電(dian)(dian)池(chi)(chi)本身的(de)(de)電(dian)(dian)壓時候電(dian)(dian)流(liu)才能(neng)沖進去(qu)。常(chang)見的(de)(de)48V0V:V電(dian)(dian)池(chi)(chi)組(zu)是(shi)由單(dan)塊12V的(de)(de)電(dian)(dian)池(chi)(chi)串聯(lian)(lian)起來的(de)(de)，拿48V來說(shuo)，是(shi)由4塊12V的(de)(de)標(biao)準電(dian)(dian)池(chi)(chi)串聯(lian)(lian)，而12V是(shi)電(dian)(dian)池(chi)(chi)的(de)(de)標(biao)準電(dian)(dian)池(chi)(chi)是(shi)由6塊2V的(de)(de)極板串聯(lian)(lian)組(zu)合而成，實際的(de)(de)電(dian)(dian)壓會隨著電(dian)(dian)池(chi)(chi)電(dian)(dian)量變化(hua)而變化(hua)。

我們會在48V控制(zhi)器上看到(dao)一個欠壓(ya)保(bao)護(hu)42V，就是(shi)說低于42V時候(hou)為(wei)防止電(dian)(dian)(dian)(dian)池(chi)(chi)過度放電(dian)(dian)(dian)(dian)造成(cheng)電(dian)(dian)(dian)(dian)池(chi)(chi)損(sun)害的(de)(de)電(dian)(dian)(dian)(dian)壓(ya)保(bao)護(hu)。這(zhe)時候(hou)的(de)(de)單塊電(dian)(dian)(dian)(dian)池(chi)(chi)只有10.5V電(dian)(dian)(dian)(dian)壓(ya)，滿(man)電(dian)(dian)(dian)(dian)時候(hou)單塊電(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)壓(ya)13.35V。也就是(shi)說單塊電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)電(dian)(dian)(dian)(dian)壓(ya)在10.5V-13.35V之間變(bian)化，同(tong)理(li)可以算(suan)出48V電(dian)(dian)(dian)(dian)池(chi)(chi)組(zu)在實際使用中的(de)(de)電(dian)(dian)(dian)(dian)壓(ya)在42V-53.4V之間，充電(dian)(dian)(dian)(dian)器的(de)(de)電(dian)(dian)(dian)(dian)壓(ya)要高(gao)于電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)最(zui)高(gao)電(dian)(dian)(dian)(dian)壓(ya)，48V電(dian)(dian)(dian)(dian)池(chi)(chi)組(zu)的(de)(de)充電(dian)(dian)(dian)(dian)器的(de)(de)輸出電(dian)(dian)(dian)(dian)壓(ya)在59.1--59.7V。

回歸正(zheng)題，按照上述48V的電(dian)(dian)(dian)池組(zu)配的充電(dian)(dian)(dian)器的輸(shu)出(chu)電(dian)(dian)(dian)壓應該是59V才對。怎么會出(chu)現220V的字(zi)樣呢(ni)？原(yuan)來炫耀這款車(che)采(cai)用的內置式充電(dian)(dian)(dian)器，220V不是指(zhi)電(dian)(dian)(dian)池的充電(dian)(dian)(dian)電(dian)(dian)(dian)壓，而是內置充電(dian)(dian)(dian)器的電(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)壓。

現(xian)在絕大多數電(dian)(dian)(dian)(dian)動車采用(yong)外置充(chong)(chong)電(dian)(dian)(dian)(dian)器，充(chong)(chong)電(dian)(dian)(dian)(dian)前要檢(jian)查(cha)電(dian)(dian)(dian)(dian)動車充(chong)(chong)電(dian)(dian)(dian)(dian)器及蓄(xu)電(dian)(dian)(dian)(dian)池組的電(dian)(dian)(dian)(dian)壓和容量標(biao)稱是(shi)否相符。充(chong)(chong)電(dian)(dian)(dian)(dian)時先插(cha)電(dian)(dian)(dian)(dian)池盒插(cha)頭(tou)(tou)(tou)，再(zai)插(cha)插(cha)座(zuo)插(cha)頭(tou)(tou)(tou)。充(chong)(chong)電(dian)(dian)(dian)(dian)結束則反之，先拔插(cha)座(zuo)插(cha)頭(tou)(tou)(tou)，再(zai)拔電(dian)(dian)(dian)(dian)池盒插(cha)頭(tou)(tou)(tou)。

外置充(chong)電器(qi)經常是(shi)要(yao)隨車帶的，但是(shi)現在的充(chong)電器(qi)設計卻不耐(nai)強烈震動，很多充(chong)電器(qi)經過振動以后，其內部的電位器(qi)會漂(piao)移，使得整(zheng)個參數(shu)改變，導致(zhi)充(chong)電狀態不正常。

現在(zai)的(de)充(chong)(chong)電(dian)器一般都沒有(you)防水設計，在(zai)充(chong)(chong)電(dian)很保存(cun)的(de)時候要注意防水。還有(you)充(chong)(chong)電(dian)要通風(feng)(feng)散熱，防止有(you)物件遮擋充(chong)(chong)電(dian)器風(feng)(feng)扇。

是不是挺(ting)麻煩，外置充(chong)電器的(de)BUG 還真不少(shao)。所以炫耀采(cai)用(yong)了(le)(le)內置式充(chong)電器采(cai)用(yong)了(le)(le)防震設計，充(chong)電器固(gu)定在車身(shen)內部。使用(yong)優質散(san)熱鋁合金代替塑料外殼，更(geng)加防水(shui)，散(san)熱。減(jian)少(shao)了(le)(le)安全隱患。

內置充(chong)(chong)電(dian)器(qi)不必擔(dan)心(xin)是否忘帶充(chong)(chong)電(dian)器(qi)，不必擔(dan)心(xin)散熱防(fang)水的注意事項，最為關鍵的充(chong)(chong)電(dian)方便，當充(chong)(chong)電(dian)插座(zuo)離車距離遠的時候(hou)，因為線(xian)不夠長傳統外置充(chong)(chong)電(dian)器(qi)會掛在(zai)半空中。隨時都有(you)摔落的危險。

你要(yao)做(zuo)的只需要(yao)把充電(dian)(dian)線拿(na)出(chu)來，先插好電(dian)(dian)動車(che)一端充電(dian)(dian)口(kou)，再插好電(dian)(dian)源插座(zuo)就行啦！也許過不了(le)多久你只需要(yao)從電(dian)(dian)動車(che)上抽(chou)出(chu)充電(dian)(dian)線，然后插在插座(zuo)上就一切OK了(le)。當然這對炫耀的車(che)內空(kong)間(jian)設計提出(chu)了(le)更高的要(yao)求(qiu)了(le)！

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