一、usb風扇充電多久能充滿
usb風扇是通過usb連接線連接電腦使用的,有的usb風扇內置電池,可以充電,那么usb風扇充滿電要多久呢?
市面上(shang)的usb風(feng)扇有(you)很多(duo)種(zhong),不(bu)(bu)同的小(xiao)風(feng)扇,電(dian)(dian)池容(rong)量(liang)也有(you)所(suo)不(bu)(bu)同,具體要充(chong)(chong)(chong)多(duo)久的電(dian)(dian)要看電(dian)(dian)池容(rong)量(liang)大(da)小(xiao)和充(chong)(chong)(chong)電(dian)(dian)器的電(dian)(dian)流,一(yi)般電(dian)(dian)腦的usb口可以為外(wai)置設備提(ti)供電(dian)(dian)壓為5伏(fu)特電(dian)(dian)力,500mA電(dian)(dian)流,小(xiao)風(feng)扇的電(dian)(dian)池容(rong)量(liang)在1200~2000mAh,充(chong)(chong)(chong)電(dian)(dian)時(shi)間大(da)概(gai)在1~2小(xiao)時(shi)左右;如果是一(yi)些大(da)容(rong)量(liang)的usb風(feng)扇,充(chong)(chong)(chong)電(dian)(dian)時(shi)間更長(chang)。
二、手持電扇怎么看充滿電沒有
現(xian)在很(hen)多usb手(shou)持風扇(shan)都是可充(chong)電的(de)(de),充(chong)電的(de)(de)時候,可以通過看(kan)上(shang)面的(de)(de)指示(shi)燈狀態判斷有沒有充(chong)滿電。
usb風扇(shan)連接充(chong)(chong)電時(shi),通常(chang)風扇(shan)上的(de)指示(shi)燈會亮(liang),燈亮(liang)的(de)話說(shuo)明(ming)處(chu)于(yu)正常(chang)充(chong)(chong)電狀態(tai),如(ru)果(guo)燈變(bian)顏色(se)了(le)(le)(比(bi)如(ru)從紅色(se)變(bian)綠(lv)色(se)),或者是燈不亮(liang)了(le)(le),說(shuo)明(ming)已(yi)經充(chong)(chong)滿電了(le)(le)。
三、充電小風扇充不上電怎么辦
可充(chong)(chong)(chong)電(dian)(dian)的(de)usb風扇(shan)一般連接(jie)usb線(xian)和電(dian)(dian)源就可以(yi)充(chong)(chong)(chong)電(dian)(dian),除了電(dian)(dian)腦(nao)主機外(wai),充(chong)(chong)(chong)電(dian)(dian)寶之類的(de)也可以(yi)給(gei)它充(chong)(chong)(chong)電(dian)(dian),如(ru)果充(chong)(chong)(chong)不上電(dian)(dian)的(de)話,可能原因有以(yi)下幾點:
1、接(jie)口接(jie)觸不良。
2、充電器故障或與(yu)電池電壓不匹配。
3、電池老化或損壞。
4、充(chong)電接口有異物。
如果遇到usb風扇充(chong)不(bu)(bu)進(jin)電的(de)(de)情(qing)況,可以先清潔一(yi)下usb風扇的(de)(de)充(chong)電口(kou),如果還(huan)是充(chong)不(bu)(bu)進(jin)電,可以換一(yi)個(ge)充(chong)電口(kou)試(shi)試(shi),還(huan)是不(bu)(bu)行的(de)(de)話,說(shuo)明usb風扇已經損(sun)壞了(le),建議送修或(huo)買個(ge)新的(de)(de)。