手機充電時慎接打電話及說明
最近(jin),一張圖(tu)文并茂的(de)照片在網上引起關注,稱一位(wei)年輕人在手機充電(dian)(dian)時接聽電(dian)(dian)話(hua),突然觸(chu)電(dian)(dian)身亡。這(zhe)件事情雖然無法考證,但還是讓人們十分(fen)擔心,請問手機充電(dian)(dian)時接聽電(dian)(dian)話(hua)真的(de)會觸(chu)電(dian)(dian)嗎?
“有事您(nin)言(yan)語”專欄(lan)記(ji)者(zhe):記(ji)者(zhe)走訪了(le)本(ben)市電(dian)子電(dian)器維修(xiu)行業協(xie)(xie)會,該協(xie)(xie)會專家介紹,手(shou)機充電(dian)器的輸(shu)出電(dian)壓(ya)一(yi)般(ban)只(zhi)有5伏左右,手(shou)機電(dian)池的標準電(dian)壓(ya)是3.7伏,一(yi)般(ban)情況下(xia),通過人體的直流電(dian)電(dian)壓(ya)超(chao)過36伏才(cai)會造成危害(hai)。即使手(shou)機外(wai)殼漏電(dian),5伏以下(xia)的輸(shu)出電(dian)壓(ya)也不會對人造成傷(shang)害(hai)。
有的手機用戶擔心因為充電器內部短路,會造成高壓部分連接到手機上而導致觸電。其實,正規的充電器都有保護(hu)電(dian)(dian)(dian)路(lu),一般不(bu)會(hui)(hui)短(duan)路(lu),即使短(duan)路(lu),220伏電(dian)(dian)(dian)話也會(hui)(hui)瞬間燒毀充(chong)電(dian)(dian)(dian)器,電(dian)(dian)(dian)流(liu)根本(ben)輸出不(bu)到手(shou)(shou)機(ji)上。所以,手(shou)(shou)機(ji)充(chong)電(dian)(dian)(dian)接聽電(dian)(dian)(dian)話會(hui)(hui)觸(chu)電(dian)(dian)(dian)的幾率(lv)幾乎為零。不(bu)過(guo),建議手(shou)(shou)機(ji)用(yong)戶(hu)在手(shou)(shou)機(ji)充(chong)電(dian)(dian)(dian)時最好(hao)不(bu)要接打電(dian)(dian)(dian)話,因為電(dian)(dian)(dian)池在充(chong)電(dian)(dian)(dian)的同時放電(dian)(dian)(dian),可(ke)能影(ying)響電(dian)(dian)(dian)池壽(shou)命。
專家提醒,在高溫、短路等特殊情況下,鋰電池可能因大幅充電、大幅放電,使儲存的能量瞬間爆發,最后因過熱而爆炸。不過,這種情況發生的概率也非常低,因為正規廠商生產的鋰電池和充電器一般都會植入保護電路,可以防止能量大幅釋放。但是,不合格的充電器、手機電池可能會因為設計缺陷,散熱不好,存在過熱而燒毀的危險。建議不要使用劣質電池,盡可能使用原裝充電器。
專家建議,手機(ji)充(chong)電的(de)時間最(zui)好不要超過3小(xiao)時,以電池充(chong)滿(man)后多充(chong)半(ban)小(xiao)時為宜。不要在(zai)溫(wen)度過高的(de)環境下(xia)對手機(ji)充(chong)電,一般環境溫(wen)度不要超過35℃。