一、電源適配器是什么
電(dian)(dian)源適配器又(you)稱外置(zhi)電(dian)(dian)源,是一種小型便攜式電(dian)(dian)子設(she)備(bei)及(ji)電(dian)(dian)子電(dian)(dian)器的供電(dian)(dian)電(dian)(dian)壓(ya)變換設(she)備(bei),由外殼(ke)、變壓(ya)器、電(dian)(dian)感、電(dian)(dian)容、控制(zhi)IC、PCB板等元器件組(zu)成(cheng)(cheng),它(ta)的作(zuo)用主(zhu)要是:將電(dian)(dian)流(liu)由交流(liu)輸入轉(zhuan)換為直流(liu)輸出,把不穩定的電(dian)(dian)源通過轉(zhuan)化(hua)電(dian)(dian)路變成(cheng)(cheng)電(dian)(dian)子產品(pin)需要的恒壓(ya)直流(liu)電(dian)(dian),從而給物體(ti)供電(dian)(dian)和充(chong)電(dian)(dian)。電(dian)(dian)源適配器可以(yi)看作(zuo)是變壓(ya)器和整流(liu)器,可以(yi)起到保(bao)護(hu)電(dian)(dian)器和人(ren)身安(an)全的作(zuo)用。
二、電源適配器是充電器嗎
電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配器(qi)(qi)(qi)(qi)并不是(shi)(shi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配器(qi)(qi)(qi)(qi)是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)開關(guan),用(yong)于提(ti)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)能源(yuan)(yuan),可以給投影儀、筆記本電(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦、音(yin)響、凈水器(qi)(qi)(qi)(qi)等家用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)產(chan)品提(ti)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li);而充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)是(shi)(shi)用(yong)來給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)的,一(yi)般會根據電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)容量和充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)特性進行分階段充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian),二(er)者是(shi)(shi)不同(tong)的。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配器(qi)(qi)(qi)(qi)和電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)的區(qu)別還(huan)體現在定(ding)義(yi)、結構、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流模式、用(yong)途等方面,最大的區(qu)別就(jiu)是(shi)(shi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)只是(shi)(shi)給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian),而電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配器(qi)(qi)(qi)(qi)不僅能給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian),還(huan)能給主機供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)。
三、電源適配器可以通用嗎
一(yi)(yi)般情(qing)況(kuang)下(xia)(xia),電(dian)(dian)源(yuan)適配器能否通用(yong)要滿(man)(man)足(zu)三個(ge)條件:輸(shu)出(chu)電(dian)(dian)壓必須相同、輸(shu)出(chu)的(de)額定電(dian)(dian)流比(bi)原電(dian)(dian)器要求的(de)要大、接口相同,如(ru)果這三個(ge)方面都(dou)滿(man)(man)足(zu)的(de)話,可以(yi)臨時通用(yong)一(yi)(yi)下(xia)(xia)。不(bu)過需要注意的(de)是(shi),部分(fen)電(dian)(dian)源(yuan)適配器也是(shi)不(bu)可以(yi)通用(yong)的(de),通用(yong)可能會導致電(dian)(dian)器燒壞、無法(fa)使用(yong)等問題,因此如(ru)果原來的(de)電(dian)(dian)源(yuan)適配器損壞,建(jian)議還(huan)是(shi)聯系廠家(jia)購買(mai)一(yi)(yi)個(ge)原裝電(dian)(dian)源(yuan)適配器比(bi)較(jiao)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。
選購(gou)電源適配器時(shi)千萬不(bu)要(yao)因為(wei)價格(ge)便宜,而(er)盲(mang)目跟(gen)從購(gou)買,選擇(ze)比較有知名度的(de)品(pin)牌,不(bu)僅品(pin)質有保證,售后服務也有保障。當(dang)然追求品(pin)牌的(de)東西不(bu)一定就是(shi)追求價格(ge)的(de)昂(ang)貴,不(bu)同的(de)經濟水平(ping)我們可以選擇(ze)不(bu)同價位(wei)的(de)名牌產品(pin)。選擇(ze)網購(gou)商品(pin)的(de)朋友要(yao)認準品(pin)牌的(de)旗(qi)艦店鋪,這樣(yang)子才能做到萬無一失。