一、充電手電筒充不進電是為什么
電池壞了,一般市面上的(de)led手(shou)電(dian)筒的(de)電(dian)池都是鉛酸電(dian)池。充電(dian)電(dian)路(lu)都是工(gong)頻變壓器加簡單(dan)整(zheng)流,或(huo)是串(chuan)塑膠電(dian)容限流整(zheng)流。
致命(ming)的缺點是(shi)不能充滿后自動(dong)停充,也不能恒流(liu)限壓。幾次長時(shi)間充電就把電池充報(bao)廢了。
充電(dian)(dian)(dian)時間太(tai)短的話也會造(zao)成電(dian)(dian)(dian)池(chi)欠充,極板硫化損壞。還有(you)就是沒有(you)虧電(dian)(dian)(dian)檢測電(dian)(dian)(dian)路,電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)量放完不能(neng)自動切斷電(dian)(dian)(dian)源(yuan)造(zao)成電(dian)(dian)(dian)池(chi)過放電(dian)(dian)(dian)損壞。
好的手電(dian)筒(tong)是鋰電(dian)池,充電(dian)器、LED驅動電路(lu)有CB等(deng)安規(gui)環保認證。
二、充電手電筒常見故障
1、手電筒電路斷路
內部(bu)接(jie)線斷(duan)路、插頭內部(bu)黃銅彈簧導(dao)電片變形,找到(dao)斷(duan)線部(bu)分(fen)接(jie)通或彈簧片變形整形。
2、充電電路電子元件損(sun)壞
檢查降壓(ya)電容(rong)、整流(liu)二極管。更(geng)換損壞元件。
3、充電(dian)電(dian)池失效
一(yi)種(zhong)是鉛(qian)酸電池(chi),電池(chi)極板容易老化。清洗極板,更換蒸餾水(shui)(或(huo)純凈水(shui),效果差些。)。部分可以修復。
另(ling)一(yi)種(zhong)采用(yong)鎳氫電(dian)(dian)池,或(huo)鎘鎳電(dian)(dian)池。這(zhe)(zhe)一(yi)類電(dian)(dian)池有可能壽命未到期(qi),但因記憶效應而充(chong)(chong)不進電(dian)(dian),這(zhe)(zhe)種(zhong)情況多為使用(yong)時未充(chong)(chong)分(fen)充(chong)(chong)、放電(dian)(dian)造成。這(zhe)(zhe)時可對(dui)電(dian)(dian)池放電(dian)(dian),需(xu)加放電(dian)(dian)限(xian)流電(dian)(dian)阻(zu),再充(chong)(chong)電(dian)(dian),部分(fen)可以(yi)修復。
三、充電手電筒充不進電怎么辦
最(zui)簡(jian)單(dan)的(de)(de)方法,找個滿電(dian)(dian)(dian)(dian)的(de)(de)好電(dian)(dian)(dian)(dian)池,和過放的(de)(de)電(dian)(dian)(dian)(dian)池,正負(fu)極對應(ying)直接接上,給過放的(de)(de)充電(dian)(dian)(dian)(dian),如果電(dian)(dian)(dian)(dian)壓能(neng)起來,再用(yong)充電(dian)(dian)(dian)(dian)器充就行,不行的(de)(de)話建(jian)議換一(yi)個。
四、充電手電筒的保養措施
1、存放時勿虧電(dian)
虧電(dian)狀態(tai)(tai)是指(zhi)電(dian)池使用(yong)后沒(mei)及時(shi)充電(dian)。虧電(dian)狀態(tai)(tai)閑(xian)置時(shi)間越長,電(dian)池損(sun)壞越嚴重(zhong)。
2、不要(yao)曝(pu)曬(shai)
不能在陽光下(xia)曝曬。溫度過高(gao)的(de)話,環境(jing)會使(shi)蓄(xu)電(dian)(dian)(dian)池(chi)內部壓力增加(jia)(jia),使(shi)電(dian)(dian)(dian)池(chi)限壓閥被迫自動開啟,直接后果就(jiu)是增加(jia)(jia)電(dian)(dian)(dian)池(chi)的(de)失(shi)水量,而電(dian)(dian)(dian)池(chi)過度失(shi)水會引發電(dian)(dian)(dian)池(chi)活性下(xia)降,加(jia)(jia)速極板(ban)的(de)軟(ruan)化,充電(dian)(dian)(dian)時起鼓、殼體發熱、變形(xing)等致命損(sun)傷(shang)。
3、定期檢驗
在使用過(guo)程中,如果放電(dian)(dian)時(shi)間(jian)內突然下降,很(hen)有可能是電(dian)(dian)池組中最少有一塊電(dian)(dian)池出現斷格、極板(ban)軟化、極板(ban)活性物質脫落短路(lu)現象。此時(shi),應(ying)及時(shi)到專(zhuan)業電(dian)(dian)池修(xiu)復(fu)機構進行檢查、修(xiu)4、復(fu)及配組(zu)
盡(jin)量避免瞬間大電(dian)(dian)流(liu)放(fang)電(dian)(dian),大電(dian)(dian)流(liu)放(fang)電(dian)(dian)容易導致(zhi)產硫酸鉛(qian)結(jie)晶,而損害電(dian)(dian)池(chi)極板的物理性能。
5、正確(que)掌握充(chong)電時間
在(zai)使用過程中,應根據實際情況(kuang)把握充電(dian)時間,一般蓄電(dian)池(chi)都在(zai)夜間充電(dian),平均時間在(zai)8小時左右。電(dian)池(chi)很快會充(chong)滿,繼(ji)續充(chong)電(dian)會出現(xian)過充(chong)現(xian)象,導致電(dian)池(chi)失水、發熱(re),降低(di)電(dian)池(chi)的壽命。所以(yi),蓄電(dian)池(chi)以(yi)放電(dian)深度為60%-70%時充一(yi)次電。
6、避(bi)免(mian)充電時拔熱插頭
充電器輸出(chu)插頭(tou)松動、接(jie)(jie)觸面氧化現(xian)象(xiang)會(hui)導致充電插頭(tou)變熱(re),發(fa)熱(re)時間過長(chang)會(hui)導致充電插頭(tou)短路(lu),直接(jie)(jie)損(sun)害(hai)充電器(qi),帶來不(bu)必要損(sun)失。所以發(fa)現(xian)上述情(qing)況時,應該及(ji)時清除氧化物(wu)或更換接(jie)(jie)插件。