一、電源適配器是什么
電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)適配器又(you)稱外置電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan),是一種小型便攜式電(dian)(dian)(dian)(dian)(dian)(dian)子設備及(ji)電(dian)(dian)(dian)(dian)(dian)(dian)子電(dian)(dian)(dian)(dian)(dian)(dian)器的供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)變換(huan)設備,由(you)外殼、變壓(ya)器、電(dian)(dian)(dian)(dian)(dian)(dian)感、電(dian)(dian)(dian)(dian)(dian)(dian)容、控(kong)制IC、PCB板(ban)等(deng)元器件組成(cheng),它的作(zuo)(zuo)用(yong)(yong)主要是:將電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)由(you)交流(liu)輸入(ru)轉換(huan)為直流(liu)輸出,把不穩定的電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)通過(guo)轉化電(dian)(dian)(dian)(dian)(dian)(dian)路變成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)子產(chan)品需要的恒壓(ya)直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian),從而給(gei)物體供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)和(he)充電(dian)(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)適配器可(ke)以看作(zuo)(zuo)是變壓(ya)器和(he)整流(liu)器,可(ke)以起(qi)到保護電(dian)(dian)(dian)(dian)(dian)(dian)器和(he)人身安全(quan)的作(zuo)(zuo)用(yong)(yong)。
二、電源適配器是充電器嗎
電(dian)(dian)(dian)(dian)(dian)源適(shi)配(pei)器(qi)(qi)(qi)并不是(shi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi),電(dian)(dian)(dian)(dian)(dian)源適(shi)配(pei)器(qi)(qi)(qi)是(shi)電(dian)(dian)(dian)(dian)(dian)源開關,用(yong)于提(ti)供(gong)電(dian)(dian)(dian)(dian)(dian)力能(neng)源,可以(yi)給(gei)投影儀、筆(bi)記本電(dian)(dian)(dian)(dian)(dian)腦、音(yin)響(xiang)、凈水(shui)器(qi)(qi)(qi)等家(jia)用(yong)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)或(huo)電(dian)(dian)(dian)(dian)(dian)子產品提(ti)供(gong)電(dian)(dian)(dian)(dian)(dian)力;而充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)是(shi)用(yong)來給(gei)電(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)的,一般會根據電(dian)(dian)(dian)(dian)(dian)池(chi)容量和充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)特性進行(xing)分階(jie)段充(chong)(chong)電(dian)(dian)(dian)(dian)(dian),二者是(shi)不同的。電(dian)(dian)(dian)(dian)(dian)源適(shi)配(pei)器(qi)(qi)(qi)和電(dian)(dian)(dian)(dian)(dian)源充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的區(qu)別還(huan)體現在定(ding)義、結構、電(dian)(dian)(dian)(dian)(dian)流模式、用(yong)途等方面(mian),最大(da)的區(qu)別就是(shi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)只是(shi)給(gei)電(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian),而電(dian)(dian)(dian)(dian)(dian)源適(shi)配(pei)器(qi)(qi)(qi)不僅(jin)能(neng)給(gei)電(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian),還(huan)能(neng)給(gei)主機供(gong)電(dian)(dian)(dian)(dian)(dian)。
三、電源適配器可以通用嗎
一(yi)(yi)般(ban)情況下,電(dian)(dian)源(yuan)適配(pei)器(qi)(qi)能(neng)否(fou)通用(yong)(yong)(yong)要滿(man)足三(san)個(ge)條(tiao)件:輸(shu)出(chu)電(dian)(dian)壓(ya)必須相(xiang)同(tong)、輸(shu)出(chu)的(de)(de)(de)額(e)定電(dian)(dian)流(liu)比(bi)原(yuan)電(dian)(dian)器(qi)(qi)要求的(de)(de)(de)要大、接口相(xiang)同(tong),如(ru)(ru)果這三(san)個(ge)方(fang)面都滿(man)足的(de)(de)(de)話,可以臨時(shi)通用(yong)(yong)(yong)一(yi)(yi)下。不過需要注意的(de)(de)(de)是,部分電(dian)(dian)源(yuan)適配(pei)器(qi)(qi)也是不可以通用(yong)(yong)(yong)的(de)(de)(de),通用(yong)(yong)(yong)可能(neng)會導(dao)致電(dian)(dian)器(qi)(qi)燒壞(huai)、無法(fa)使用(yong)(yong)(yong)等(deng)問題(ti),因此(ci)如(ru)(ru)果原(yuan)來的(de)(de)(de)電(dian)(dian)源(yuan)適配(pei)器(qi)(qi)損壞(huai),建議還是聯系廠家購(gou)買一(yi)(yi)個(ge)原(yuan)裝電(dian)(dian)源(yuan)適配(pei)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。