【手機伴侶充電(dian)寶】充電(dian)寶怎(zen)么(me)充電(dian) 充電(dian)寶充電(dian)時間多久合適(shi)
說到移動電源,我們(men)不得(de)不引(yin)入充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)寶充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian)這個(ge)概(gai)(gai)念。這里并不是指移動(dong)電(dian)(dian)(dian)(dian)源(yuan)(yuan)對手(shou)機設備(bei)的(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian),而是電(dian)(dian)(dian)(dian)源(yuan)(yuan)給(gei)移動(dong)電(dian)(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian)。這里有一個(ge)算法,用移動(dong)電(dian)(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)容量除(chu)以充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu),再(zai)除(chu)以一個(ge)0.8的(de)(de)做(zuo)功(gong)轉換系數,得(de)出的(de)(de)時(shi)間(jian)(jian)基本就(jiu)是充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian)了。舉例來(lai)說,一個(ge)容量為5000毫安的(de)(de)移動(dong)電(dian)(dian)(dian)(dian)源(yuan)(yuan),用1A的(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)器進行充(chong)(chong)(chong)電(dian)(dian)(dian)(dian),根據上(shang)面的(de)(de)算法,大概(gai)(gai)6個(ge)多(duo)小(xiao)時(shi)就(jiu)可以充(chong)(chong)(chong)滿。
在選擇(ze)移動(dong)電源時,應當注意(yi)充電時間,即便(bian)是晚(wan)上(shang)(shang)充電白天使(shi)用的(de)話,如(ru)果(guo)超過8個小時,這很難與現代人的(de)作息(xi)習(xi)慣(guan)相吻合:早上(shang)(shang)起(qi)來發現昨晚(wan)插上(shang)(shang)的(de)移動(dong)電源竟然(ran)還在充電,這是讓人非(fei)常(chang)不爽的(de)一(yi)件事(shi)情。
充電寶怎么充電
如果是普通充手(shou)機(ji)之類的(de)數碼產(chan)品(pin),那么(me)普通的(de)1A電(dian)(dian)(dian)流(liu)輸出的(de)移動電(dian)(dian)(dian)源(yuan)已經完全夠用了,但如果要(yao)是充iPad的(de)話就(jiu)需(xu)要(yao)2A以(yi)上的(de)電(dian)(dian)(dian)流(liu)的(de),否則即便(bian)是連(lian)接上也會(hui)顯示該設備不在充電(dian)(dian)(dian),用戶可以(yi)根據自己(ji)的(de)事情(qing)情(qing)況加以(yi)選擇。
1A輸出電流:主(zhu)流的(de)(de)(de)(de)(de)移(yi)動電源一般為一個USB充電插(cha)口(kou),而5000毫安甚至以上(shang)即便(bian)的(de)(de)(de)(de)(de)產品(pin)會配備(bei)兩(liang)個甚至更多個USB接(jie)口(kou)。這(zhe)樣(yang)做最(zui)大的(de)(de)(de)(de)(de)好處就是可以同(tong)時給多臺設(she)備(bei)充電,從而達到(dao)節省時間的(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)。不過,這(zhe)樣(yang)做也會有弊(bi)端,比如多口(kou)設(she)備(bei)同(tong)時工作的(de)(de)(de)(de)(de)時候,每個接(jie)口(kou)不可能達到(dao)宣稱的(de)(de)(de)(de)(de)電流輸出指標,下降是必須的(de)(de)(de)(de)(de)。這(zhe)就對(dui)移(yi)動電源本身(shen)的(de)(de)(de)(de)(de)電路和品(pin)質有著較高的(de)(de)(de)(de)(de)要求,用戶在購買時需要注意(yi)挑選。
可(ke)調(diao)輸出(chu)(chu)電(dian)(dian)(dian)流(liu)(liu):需(xu)要注意的是,以(yi)(yi)上所(suo)提到的USB充電(dian)(dian)(dian)口輸出(chu)(chu)電(dian)(dian)(dian)流(liu)(liu)基本都是1A,這(zhe)(zhe)就意味(wei)著這(zhe)(zhe)樣的移動電(dian)(dian)(dian)源(yuan)是無法為iPad等大電(dian)(dian)(dian)流(liu)(liu)的產(chan)品充電(dian)(dian)(dian)的,所(suo)以(yi)(yi)充電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)(liu)可(ke)調(diao)的移動電(dian)(dian)(dian)源(yuan)就應(ying)運(yun)而(er)生(sheng)。這(zhe)(zhe)樣的移動電(dian)(dian)(dian)源(yuan)一般標(biao)配多個充電(dian)(dian)(dian)輸出(chu)(chu)口,而(er)每個輸出(chu)(chu)口的輸出(chu)(chu)電(dian)(dian)(dian)流(liu)(liu)會在(zai)明顯的位置加以(yi)(yi)標(biao)注,比如1A、2A等字樣,用戶(hu)可(ke)以(yi)(yi)根據自(zi)身的實際使用需(xu)求來(lai)選擇。另外(wai),還(huan)有(you)一種(zhong)(zhong)單口輸出(chu)(chu)、多種(zhong)(zhong)電(dian)(dian)(dian)流(liu)(liu)電(dian)(dian)(dian)壓可(ke)調(diao)的移動電(dian)(dian)(dian)源(yuan),由(you)于此類產(chan)品價格高昂、體積龐(pang)大、重量也難以(yi)(yi)接受,普通用戶(hu)在(zai)使用中(zhong)很難碰(peng)到,所(suo)以(yi)(yi)我們在(zai)此一筆帶過。
用不同電流輸出的插孔為同一臺手機充電的利弊
優點:鋰電(dian)(dian)池的充電(dian)(dian)截止閥值(zhi)是(shi)以電(dian)(dian)壓來(lai)計算的,用不同電(dian)(dian)流輸出(chu)的插(cha)孔為同一臺手(shou)機(ji)(ji)充電(dian)(dian),只會獲得更快(kuai)的充電(dian)(dian)速度,對手(shou)機(ji)(ji)其它部分沒有影響,更不會損壞手(shou)機(ji)(ji)。
缺點:唯一不好(hao)的(de)(de)地方就是(shi),大電(dian)(dian)流充(chong)電(dian)(dian)會(hui)帶來較(jiao)高的(de)(de)熱量,這對(dui)于電(dian)(dian)子元(yuan)件(jian)的(de)(de)保護、保養是(shi)沒有(you)好(hao)處的(de)(de),可能會(hui)加速電(dian)(dian)子元(yuan)件(jian)的(de)(de)老(lao)化。如果(guo)用(yong)(yong)戶(hu)不是(shi)很有(you)必(bi)要用(yong)(yong)大電(dian)(dian)流對(dui)手(shou)機(ji)進行充(chong)電(dian)(dian)的(de)(de)話,我們還是(shi)建(jian)議按照手(shou)機(ji)說明書上要求的(de)(de)額定電(dian)(dian)流充(chong)電(dian)(dian),這樣來的(de)(de)比較(jiao)穩妥。
充電寶給手機充電斷開的原因
很多網友反映,購買到的充(chong)電(dian)寶給手機充(chong)電(dian)時,充(chong)一會兒就斷開了,這種情(qing)況,一般(ban)來說與(yu)移動電(dian)源的質量有關,主要有如下幾(ji)個因素:
1、充電寶輸出電(dian)壓不夠。這(zhe)(zhe)是根據(ju)充(chong)(chong)電(dian)原(yuan)理決定的(de),必須(xu)是高電(dian)壓流(liu)向低電(dian)壓,手機(ji)一(yi)般是3.7V,移動電(dian)源(yuan)(yuan)鋰電(dian)芯(xin)是3.7V,這(zhe)(zhe)樣就(jiu)是平級的(de),因此移動電(dian)源(yuan)(yuan)在輸出電(dian)壓時(shi),會(hui)進行升壓到5V,這(zhe)(zhe)樣就(jiu)產生高電(dian)壓流(liu)向低電(dian)壓,進行充(chong)(chong)電(dian)。
2、充電(dian)(dian)(dian)(dian)寶輸(shu)出電(dian)(dian)(dian)(dian)流(liu)強度(du)(du)不(bu)(bu)夠。我(wo)們在測(ce)試一些移動電(dian)(dian)(dian)(dian)源的(de)時(shi)候,上面標稱有(you)(you)800mAh放電(dian)(dian)(dian)(dian),但(dan)是有(you)(you)時(shi)根(gen)本不(bu)(bu)能以這(zhe)(zhe)個(ge)規格進行放電(dian)(dian)(dian)(dian),電(dian)(dian)(dian)(dian)流(liu)強度(du)(du)不(bu)(bu)夠時(shi)也會發生這(zhe)(zhe)種現象,這(zhe)(zhe)個(ge)和(he)電(dian)(dian)(dian)(dian)壓息(xi)(xi)息(xi)(xi)相關,最根(gen)本的(de)還是鋰電(dian)(dian)(dian)(dian)芯質量不(bu)(bu)好所致。
3、與(yu)手機(ji)本身(shen)有(you)關。可能手機(ji)電阻值過(guo)大,其實這種(zhong)情況(kuang)的可能性非常少(shao)。只是在此提及。
4、與移動電(dian)源的(de)PCBA保護板有關。在第1點提到,保護板要起(qi)到過流(liu)過充過放的(de)功能,同時還有一(yi)個MCU,這個就是用來升(sheng)壓,如果(guo)保護板質量不(bu)好,在電(dian)流(liu)穿(chuan)過時就不(bu)穩定,導(dao)至PCBA怠(dai)工,然后導(dao)致充電(dian)寶無法充電(dian),發生上述的(de)情(qing)況。