一、電源適配器是什么
電(dian)(dian)(dian)源(yuan)(yuan)適配(pei)器(qi)(qi)(qi)(qi)又稱外置電(dian)(dian)(dian)源(yuan)(yuan),是一種小(xiao)型便(bian)攜式電(dian)(dian)(dian)子(zi)設備(bei)及電(dian)(dian)(dian)子(zi)電(dian)(dian)(dian)器(qi)(qi)(qi)(qi)的(de)供電(dian)(dian)(dian)電(dian)(dian)(dian)壓變(bian)換設備(bei),由(you)外殼、變(bian)壓器(qi)(qi)(qi)(qi)、電(dian)(dian)(dian)感、電(dian)(dian)(dian)容(rong)、控制IC、PCB板等元器(qi)(qi)(qi)(qi)件(jian)組成,它的(de)作(zuo)用主(zhu)要是:將(jiang)電(dian)(dian)(dian)流由(you)交流輸入轉(zhuan)換為直流輸出,把不穩定的(de)電(dian)(dian)(dian)源(yuan)(yuan)通過轉(zhuan)化電(dian)(dian)(dian)路變(bian)成電(dian)(dian)(dian)子(zi)產品需(xu)要的(de)恒壓直流電(dian)(dian)(dian),從而給物體供電(dian)(dian)(dian)和(he)充電(dian)(dian)(dian)。電(dian)(dian)(dian)源(yuan)(yuan)適配(pei)器(qi)(qi)(qi)(qi)可(ke)以(yi)看作(zuo)是變(bian)壓器(qi)(qi)(qi)(qi)和(he)整流器(qi)(qi)(qi)(qi),可(ke)以(yi)起到(dao)保護電(dian)(dian)(dian)器(qi)(qi)(qi)(qi)和(he)人(ren)身安(an)全的(de)作(zuo)用。
二、電源適配器是充電器嗎
電(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配器(qi)(qi)并不是(shi)充(chong)(chong)電(dian)(dian)(dian)(dian)器(qi)(qi),電(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配器(qi)(qi)是(shi)電(dian)(dian)(dian)(dian)源(yuan)(yuan)開關(guan),用(yong)于提供(gong)電(dian)(dian)(dian)(dian)力能源(yuan)(yuan),可以給(gei)(gei)投影儀、筆記(ji)本電(dian)(dian)(dian)(dian)腦(nao)、音(yin)響(xiang)、凈水器(qi)(qi)等家(jia)用(yong)電(dian)(dian)(dian)(dian)器(qi)(qi)或電(dian)(dian)(dian)(dian)子產品提供(gong)電(dian)(dian)(dian)(dian)力;而充(chong)(chong)電(dian)(dian)(dian)(dian)器(qi)(qi)是(shi)用(yong)來給(gei)(gei)電(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)電(dian)(dian)(dian)(dian)的(de),一般(ban)會根據電(dian)(dian)(dian)(dian)池(chi)(chi)容量和充(chong)(chong)電(dian)(dian)(dian)(dian)特性(xing)進行分階(jie)段充(chong)(chong)電(dian)(dian)(dian)(dian),二者是(shi)不同的(de)。電(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配器(qi)(qi)和電(dian)(dian)(dian)(dian)源(yuan)(yuan)充(chong)(chong)電(dian)(dian)(dian)(dian)器(qi)(qi)的(de)區別還體現(xian)在定義、結構、電(dian)(dian)(dian)(dian)流模式、用(yong)途等方面(mian),最(zui)大的(de)區別就是(shi)充(chong)(chong)電(dian)(dian)(dian)(dian)器(qi)(qi)只是(shi)給(gei)(gei)電(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)電(dian)(dian)(dian)(dian),而電(dian)(dian)(dian)(dian)源(yuan)(yuan)適(shi)配器(qi)(qi)不僅(jin)能給(gei)(gei)電(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)電(dian)(dian)(dian)(dian),還能給(gei)(gei)主機供(gong)電(dian)(dian)(dian)(dian)。
三、電源適配器可以通用嗎
一(yi)般情(qing)況(kuang)下(xia)(xia),電(dian)源適配器(qi)能(neng)否通(tong)用(yong)要滿足三(san)個(ge)條(tiao)件:輸出電(dian)壓必須相同(tong)、輸出的(de)額定電(dian)流(liu)比原(yuan)電(dian)器(qi)要求的(de)要大、接口相同(tong),如果(guo)這(zhe)三(san)個(ge)方面都滿足的(de)話,可以臨時通(tong)用(yong)一(yi)下(xia)(xia)。不過(guo)需要注(zhu)意的(de)是,部分電(dian)源適配器(qi)也是不可以通(tong)用(yong)的(de),通(tong)用(yong)可能(neng)會導(dao)致電(dian)器(qi)燒壞(huai)、無(wu)法使用(yong)等(deng)問題,因此如果(guo)原(yuan)來的(de)電(dian)源適配器(qi)損壞(huai),建(jian)議還是聯(lian)系廠(chang)家(jia)購(gou)買(mai)一(yi)個(ge)原(yuan)裝(zhuang)電(dian)源適配器(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。