什么是電源適配器?使用電(dian)(dian)源適配(pei)器相對有哪些(xie)作用呢?在什么情況下用外置的電(dian)(dian)源適配(pei)器比(bi)較(jiao)好呢?下面小編就這些(xie)問(wen)題做簡單(dan)介紹(shao)。

　　什么是電源適配器?定義?

　　電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)適配(pei)器(qi)(qi)(qi)是(shi)小型便攜式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子設(she)(she)備(bei)及電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的(de)(de)(de)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)變換設(she)(she)備(bei)，一般由外殼、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)變壓(ya)(ya)(ya)器(qi)(qi)(qi)和(he)整流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路組成，按其輸(shu)入類(lei)型可分(fen)為(wei)(wei)交流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)適配(pei)器(qi)(qi)(qi)和(he)直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)適配(pei)器(qi)(qi)(qi);按連接方式(shi)可分(fen)為(wei)(wei)插墻式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)適配(pei)器(qi)(qi)(qi)和(he)桌面式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)適配(pei)器(qi)(qi)(qi)。廣泛配(pei)套于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)話子母機(ji)(ji)、游戲機(ji)(ji)、語言復讀機(ji)(ji)、隨(sui)身聽、筆(bi)記本計(ji)算機(ji)(ji)、蜂(feng)窩電(dian)(dian)(dian)(dian)(dian)(dian)(dian)話等(deng)設(she)(she)備(bei)中。在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)適配(pei)器(qi)(qi)(qi)上(shang)都有(you)(you)(you)一個銘(ming)牌(pai)，上(shang)面標示著(zhu)功率，輸(shu)入輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)量等(deng)指標，特別要注(zhu)意輸(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)范圍，這就是(shi)所謂的(de)(de)(de)“旅(lv)行電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)適配(pei)器(qi)(qi)(qi)”，如果到(dao)市電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)只(zhi)(zhi)有(you)(you)(you)100V的(de)(de)(de)國家時，這個特性就很有(you)(you)(you)用了，有(you)(you)(you)些(xie)水貨筆(bi)記本電(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)是(shi)只(zhi)(zhi)在原(yuan)產(chan)地銷(xiao)售的(de)(de)(de)，沒有(you)(you)(you)這種設(she)(she)計(ji)，甚至只(zhi)(zhi)有(you)(you)(you)100V的(de)(de)(de)單(dan)一輸(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，在我(wo)國的(de)(de)(de)220V市電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)下插上(shang)就會燒毀(hui)。

　　電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)器(qi)的(de)(de)作(zuo)用就(jiu)是提(ti)供設(she)備正常(chang)工作(zuo)所需要(yao)(yao)(yao)的(de)(de)能量。就(jiu)是給設(she)備供電(dian)(dian)。有(you)的(de)(de)外置(zhi)(zhi)有(you)的(de)(de)內置(zhi)(zhi)，與設(she)備的(de)(de)應(ying)用和設(she)計者有(you)關(guan)。 因(yin)為(wei)電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)器(qi)上(shang)有(you)相應(ying)的(de)(de)過(guo)溫(wen)保護(hu)功能，因(yin)此使(shi)(shi)用電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)器(qi)可以保護(hu)設(she)備不(bu)受高溫(wen)的(de)(de)損害，穩定可靠的(de)(de)工作(zuo)，同時(shi)具有(you)過(guo)流(liu)、過(guo)壓、過(guo)載保護(hu)功能，使(shi)(shi)設(she)備不(bu)會因(yin)為(wei)電(dian)(dian)流(liu)、電(dian)(dian)壓等的(de)(de)波動而(er)損壞。外置(zhi)(zhi)的(de)(de)電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)器(qi)使(shi)(shi)用比較(jiao)靈(ling)活，只要(yao)(yao)(yao)可以符(fu)合設(she)備要(yao)(yao)(yao)求(qiu)的(de)(de)參數，就(jiu)可以使(shi)(shi)用同一個(ge)適(shi)(shi)配(pei)(pei)器(qi)。不(bu)過(guo)為(wei)保證(zheng)設(she)備的(de)(de)正常(chang)運行，選擇(ze)時(shi)一定要(yao)(yao)(yao)選擇(ze)正規廠家生產的(de)(de)電(dian)(dian)源(yuan)(yuan)適(shi)(shi)配(pei)(pei)器(qi)。