一、電源適配器是什么
電(dian)(dian)(dian)源適配(pei)器(qi)(qi)(qi)又稱外置電(dian)(dian)(dian)源,是(shi)一種小型便攜式電(dian)(dian)(dian)子設(she)備及電(dian)(dian)(dian)子電(dian)(dian)(dian)器(qi)(qi)(qi)的供電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)變(bian)(bian)換設(she)備,由外殼(ke)、變(bian)(bian)壓(ya)器(qi)(qi)(qi)、電(dian)(dian)(dian)感(gan)、電(dian)(dian)(dian)容、控制IC、PCB板等元器(qi)(qi)(qi)件組成,它(ta)的作用主要是(shi):將電(dian)(dian)(dian)流(liu)由交流(liu)輸入轉換為直流(liu)輸出(chu),把不(bu)穩定的電(dian)(dian)(dian)源通過轉化(hua)電(dian)(dian)(dian)路變(bian)(bian)成電(dian)(dian)(dian)子產品需要的恒壓(ya)直流(liu)電(dian)(dian)(dian),從(cong)而給(gei)物體供電(dian)(dian)(dian)和充電(dian)(dian)(dian)。電(dian)(dian)(dian)源適配(pei)器(qi)(qi)(qi)可以(yi)看作是(shi)變(bian)(bian)壓(ya)器(qi)(qi)(qi)和整流(liu)器(qi)(qi)(qi),可以(yi)起到(dao)保(bao)護電(dian)(dian)(dian)器(qi)(qi)(qi)和人身安全的作用。
二、電源適配器是充電器嗎
電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配(pei)(pei)器(qi)(qi)(qi)并不是(shi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配(pei)(pei)器(qi)(qi)(qi)是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)開(kai)關,用于提(ti)(ti)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)能源(yuan)(yuan),可以(yi)給投(tou)影儀、筆記本電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)、音響、凈水(shui)器(qi)(qi)(qi)等(deng)家用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子產品提(ti)(ti)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li);而充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)是(shi)用來給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de),一般會根(gen)據電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)容量(liang)和充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)特性(xing)進(jin)行分(fen)階段充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),二者是(shi)不同的(de)(de)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配(pei)(pei)器(qi)(qi)(qi)和電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的(de)(de)區別還體現(xian)在定義、結構、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流模式、用途等(deng)方面,最大的(de)(de)區別就是(shi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)只(zhi)是(shi)給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),而電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配(pei)(pei)器(qi)(qi)(qi)不僅能給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),還能給主機供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。
三、電源適配器可以通用嗎
一(yi)般情(qing)況下,電(dian)(dian)源適配器(qi)(qi)能否(fou)通用(yong)要(yao)(yao)滿足三(san)個條件:輸(shu)出電(dian)(dian)壓(ya)必須相同、輸(shu)出的額定電(dian)(dian)流比(bi)原(yuan)電(dian)(dian)器(qi)(qi)要(yao)(yao)求(qiu)的要(yao)(yao)大、接口相同,如果這三(san)個方面(mian)都滿足的話,可(ke)以(yi)臨時通用(yong)一(yi)下。不(bu)過需(xu)要(yao)(yao)注意的是(shi),部(bu)分電(dian)(dian)源適配器(qi)(qi)也是(shi)不(bu)可(ke)以(yi)通用(yong)的,通用(yong)可(ke)能會導致電(dian)(dian)器(qi)(qi)燒壞(huai)、無(wu)法使(shi)用(yong)等(deng)問題,因此如果原(yuan)來(lai)的電(dian)(dian)源適配器(qi)(qi)損壞(huai),建議還是(shi)聯系廠(chang)家購買一(yi)個原(yuan)裝電(dian)(dian)源適配器(qi)(qi)比(bi)較好。
四、電源適配器多少錢一個
電源適配器的價格并不高,根據輸入電壓大小、輸入電流類型、供電方式、電源安數等有所不同,價格大概在二十多元到四五十元左右,也有部分電源適配器產品可能會更貴一些。需要注意的是,電源適配器市場比較混亂,有一些比較便宜的電源適配器甚至只要幾塊錢,這種可能是以次充好、以舊充新的產品,不建議購買,要選擇正規優質的電源適配器品牌廠家購買產品。