電源模塊、電源適配器和(he)充電器三者全(quan)是電源(yuan)，只不(bu)過在(zai)主(zhu)要用(yong)途上大不(bu)一樣，他們(men)全(quan)是采用(yong)開關(guan)電源(yuan)方式的。可是小量充電器并不(bu)是采用(yong)開關(guan)電源(yuan)方法做的，電源(yuan)適配(pei)器也是采用(yong)變電器輸出和(he)線形整(zheng)流器穩(wen)壓管輸出的。

　　開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)源是一(yi)種將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)220V交流電(dian)(dian)(dian)(dian)(dian)(dian)流變(bian)為底(di)壓(ya)交流電(dian)(dian)(dian)(dian)(dian)(dian)的一(yi)種方(fang)法，差別于傳統式工(gong)頻變(bian)壓(ya)器，一(yi)般采用這類電(dian)(dian)(dian)(dian)(dian)(dian)源開(kai)(kai)關(guan)轉換工(gong)作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)技(ji)術性的電(dian)(dian)(dian)(dian)(dian)(dian)源稱(cheng)之為開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)源。電(dian)(dian)(dian)(dian)(dian)(dian)源模塊就是說一(yi)種中(zhong)小型的開(kai)(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)源，關(guan)鍵(jian)分成AC-DC電(dian)(dian)(dian)(dian)(dian)(dian)源模塊和DC-DC電(dian)(dian)(dian)(dian)(dian)(dian)源模塊。由于重(zhong)量輕，一(yi)般得加外場元器件應(ying)用，關(guan)鍵(jian)做為工(gong)作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)變(bian)換功效，為系(xi)統軟件供電(dian)(dian)(dian)(dian)(dian)(dian)系(xi)統，不具備電(dian)(dian)(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)作(zuo)用。

　　電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配(pei)(pei)器(qi)(qi)就是(shi)指給機器(qi)(qi)設備(bei)(bei)出示電(dian)(dian)(dian)(dian)(dian)(dian)磁能(neng)的電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)，如臺(tai)式電(dian)(dian)(dian)(dian)(dian)(dian)腦主機電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)、復(fu)印機電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)、顯示屏(ping)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)，這種不(bu)叫充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)。電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配(pei)(pei)器(qi)(qi)具備(bei)(bei)容(rong)積較小、綠色環保、多種安全(quan)性(xing)維護、使用(yong)期長、運用(yong)覆蓋面(mian)廣等特性(xing)，大(da)概可分(fen)成桌面(mian)型電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配(pei)(pei)器(qi)(qi)、直(zhi)插式電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配(pei)(pei)器(qi)(qi)、多通道(dao)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配(pei)(pei)器(qi)(qi)、USB電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配(pei)(pei)器(qi)(qi)這些。電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配(pei)(pei)器(qi)(qi)包含充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)，可是(shi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)不(bu)包含電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)適配(pei)(pei)器(qi)(qi)。

　　充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)就是指只(zhi)給電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)，是在開關電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)基本(ben)上再加一(yi)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)檢驗和控制電(dian)(dian)(dian)(dian)(dian)(dian)路，如(ru)恒流(liu)、反接、浮充(chong)(chong)(chong)、均(jun)充(chong)(chong)(chong)工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)全自動調節這些(xie)。普遍的(de)是USB充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)，也有(you)手機上充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)、筆記本(ben)電(dian)(dian)(dian)(dian)(dian)(dian)腦電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)、電(dian)(dian)(dian)(dian)(dian)(dian)動車(che)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)這些(xie)，充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)一(yi)般是將220V轉換為適合的(de)交流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，依據電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)種類(lei)，會(hui)提升一(yi)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管理方(fang)法(fa)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)路，具備(bei)對電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)開展電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)作(zuo)用。

　　一(yi)直供電(dian)(dian)系統(tong)(tong)給(gei)機器(qi)(qi)(qi)(qi)(qi)設備(bei)的供電(dian)(dian)系統(tong)(tong)電(dian)(dian)源一(yi)般都叫電(dian)(dian)源適配(pei)器(qi)(qi)(qi)(qi)(qi)，像給(gei)沈陽監控攝像頭(tou)或電(dian)(dian)子產品，與usb充電(dian)(dian)器(qi)(qi)(qi)(qi)(qi)在設計方案規定中大不一(yi)樣。usb充電(dian)(dian)器(qi)(qi)(qi)(qi)(qi)規定考慮不一(yi)樣頻率段不一(yi)樣電(dian)(dian)流量的必須，而監控器(qi)(qi)(qi)(qi)(qi)、監控攝像頭(tou)等機器(qi)(qi)(qi)(qi)(qi)設備(bei)供電(dian)(dian)系統(tong)(tong)的電(dian)(dian)源適配(pei)器(qi)(qi)(qi)(qi)(qi)則偏重(zhong)電(dian)(dian)流量平穩。

　　電(dian)源(yuan)適(shi)配器關(guan)(guan)鍵適(shi)用中小型家(jia)用電(dian)器、電(dian)子器件產(chan)品，大部分是(shi)恒壓源(yuan)，維持輸出(chu)(chu)工作電(dian)壓穩定，隨(sui)機器設備(bei)(bei)負荷功率而全自動調節(jie)輸出(chu)(chu)電(dian)流(liu)量(liang)。而開關(guan)(guan)電(dian)源(yuan)是(shi)操縱全部電(dian)源(yuan)開關(guan)(guan)的(de)變(bian)換(huan)電(dian)流(liu)量(liang)機器設備(bei)(bei)，適(shi)用全部的(de)電(dian)子產(chan)品。