常用的應急充電器種類
中國消費網訊 應急(ji)充(chong)(chong)電(dian)器的(de)(de)(de)用途主要是為了解決(jue)移(yi)動(dong)數(shu)碼產品的(de)(de)(de)臨(lin)時電(dian)量不(bu)足問題,其工作原理,是通過鋰電(dian)池、太陽能板或者普通AA干電(dian)池作為儲電(dian)單元,經(jing)過合(he)適的(de)(de)(de)電(dian)壓轉(zhuan)換后(hou),實現隨時、隨地、隨身為移(yi)動(dong)數(shu)碼產品供(gong)電(dian)或充(chong)(chong)電(dian)。記(ji)者在(zai)市(shi)場調(diao)查中看到,常(chang)見(jian)的(de)(de)(de)應急(ji)充(chong)(chong)電(dian)器有以下三類(lei)。
一、干電池式
干電池式應急充電器的工作(zuo)原理是(shi),將(jiang)干電(dian)池裝入(ru)干電(dian)池供(gong)電(dian)裝置(zhi)(zhi)(zhi)后,先由(you)干電(dian)池為該裝置(zhi)(zhi)(zhi)充(chong)電(dian),充(chong)滿(man)后,再由(you)該裝置(zhi)(zhi)(zhi)為數碼設備供(gong)電(dian)。在外出(chu)辦(ban)事(shi)或旅游時,消費(fei)者(zhe)可以隨身攜(xie)帶幾(ji)塊5號電(dian)池,便于隨時為上(shang)述(shu)供(gong)電(dian)裝置(zhi)(zhi)(zhi)充(chong)電(dian)。盡管(guan)商家宣傳稱(cheng),經過上(shang)述(shu)供(gong)電(dian)裝置(zhi)(zhi)(zhi)充(chong)電(dian)后,可支持(chi)手機(ji)通話兩個小時,但實際上(shang),一般能(neng)支持(chi)通話十幾(ji)分鐘就相當不錯(cuo)了。
二、內置(zhi)鋰電池(chi)式
內置鋰電池式應急充電器又叫移動電源、便攜式充電器。它的(de)工作原理是將鋰(li)電(dian)(dian)(dian)池(chi)內(nei)置(zhi)在充(chong)電(dian)(dian)(dian)裝(zhuang)(zhuang)置(zhi)內(nei),無(wu)需安裝(zhuang)(zhuang)電(dian)(dian)(dian)池(chi),便可為數(shu)碼(ma)設備供電(dian)(dian)(dian)。該(gai)充(chong)電(dian)(dian)(dian)器(qi)的(de)容量一般為800mAH―2000mAH,體積(ji)小巧,便于(yu)攜(xie)帶。目前(qian),該(gai)充(chong)電(dian)(dian)(dian)器(qi)被(bei)廣泛應(ying)用于(yu)多(duo)種數(shu)碼(ma)產品上。
三、太陽能式
太陽能式充電器是將太陽能轉換為電能后,存儲在蓄電池里,可為多種數碼產品充電。該充電器的(de)(de)特性(xing)跟內置(zhi)鋰電(dian)池(chi)式充(chong)電(dian)器(qi)相似(si),但(dan)其對充(chong)電(dian)的(de)(de)條件要求較高(gao),在強光(guang)下不(bu)間(jian)斷地充(chong)電(dian)(直射太陽(yang)能(neng)面(mian)板)約8小時后,方(fang)可充(chong)滿(man),而隔著(zhu)玻(bo)璃(li)充(chong)電(dian)效(xiao)果較差,在弱光(guang)下(如燈光(guang))是不(bu)能(neng)進行充(chong)電(dian)的(de)(de)。