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一、電源適配器是什么

電(dian)(dian)(dian)(dian)(dian)源(yuan)適配(pei)(pei)器(qi)(qi)又稱(cheng)外(wai)置電(dian)(dian)(dian)(dian)(dian)源(yuan)，是一種小型便攜(xie)式(shi)電(dian)(dian)(dian)(dian)(dian)子設備(bei)及電(dian)(dian)(dian)(dian)(dian)子電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)的(de)供電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)變換(huan)設備(bei)，由外(wai)殼、變壓(ya)(ya)(ya)器(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)感、電(dian)(dian)(dian)(dian)(dian)容、控制IC、PCB板等元器(qi)(qi)件組(zu)成(cheng)，它的(de)作(zuo)用主要(yao)是：將電(dian)(dian)(dian)(dian)(dian)流由交流輸(shu)入轉換(huan)為直(zhi)流輸(shu)出，把不穩定的(de)電(dian)(dian)(dian)(dian)(dian)源(yuan)通(tong)過(guo)轉化電(dian)(dian)(dian)(dian)(dian)路變成(cheng)電(dian)(dian)(dian)(dian)(dian)子產品需要(yao)的(de)恒壓(ya)(ya)(ya)直(zhi)流電(dian)(dian)(dian)(dian)(dian)，從而給物體供電(dian)(dian)(dian)(dian)(dian)和(he)充(chong)電(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)源(yuan)適配(pei)(pei)器(qi)(qi)可以看(kan)作(zuo)是變壓(ya)(ya)(ya)器(qi)(qi)和(he)整流器(qi)(qi)，可以起到保護電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)和(he)人身(shen)安全(quan)的(de)作(zuo)用。

二、電源適配器是充電器嗎

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配(pei)器(qi)并(bing)不是(shi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配(pei)器(qi)是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)開關，用(yong)于提(ti)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力能源(yuan)(yuan)，可以給投影(ying)儀、筆記本電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦、音響(xiang)、凈水(shui)器(qi)等家用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子產品提(ti)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力；而充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)是(shi)用(yong)來給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)，一般會根據電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)容(rong)量和(he)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)特性進行分(fen)階段充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，二者是(shi)不同的(de)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配(pei)器(qi)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)的(de)區別(bie)還體(ti)現在定(ding)義、結構、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流模式、用(yong)途(tu)等方面，最大(da)的(de)區別(bie)就是(shi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)只是(shi)給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，而電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配(pei)器(qi)不僅能給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，還能給主(zhu)機供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。

三、電源適配器可以通用嗎

一(yi)般情況下，電(dian)(dian)源(yuan)適配器(qi)(qi)能否通(tong)用(yong)要(yao)滿足(zu)三個(ge)(ge)條件(jian)：輸(shu)(shu)出電(dian)(dian)壓必(bi)須相(xiang)(xiang)同、輸(shu)(shu)出的額定(ding)電(dian)(dian)流比原電(dian)(dian)器(qi)(qi)要(yao)求的要(yao)大、接口相(xiang)(xiang)同，如果(guo)這(zhe)三個(ge)(ge)方面都滿足(zu)的話，可以臨(lin)時通(tong)用(yong)一(yi)下。不過(guo)需(xu)要(yao)注意(yi)的是，部分電(dian)(dian)源(yuan)適配器(qi)(qi)也是不可以通(tong)用(yong)的，通(tong)用(yong)可能會(hui)導致電(dian)(dian)器(qi)(qi)燒壞、無法使用(yong)等(deng)問題，因此(ci)如果(guo)原來(lai)的電(dian)(dian)源(yuan)適配器(qi)(qi)損壞，建議還(huan)是聯系廠(chang)家購買一(yi)個(ge)(ge)原裝(zhuang)電(dian)(dian)源(yuan)適配器(qi)(qi)比較好。

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。