充電機的充電原理和充電過程
一(yi)、對于六段式(shi)充電原理及過程(cheng)如下:
1)預充階段(小電流預充電):充電機設有延時啟動,延時時間為7秒,啟動后首先進入預充階段,充電機先設小電流流為目的是激活電池;
2)大電流階段(恒流充電):預充結束后進入恒流電流充電階段;
3)恒壓階段(恒壓充電):當充電電壓上升到入恒壓充電階段,充電電流逐步減小;
4)小電流階段(涓流充電):當充電電流減小到進入小電流階段,恒流充充電,充電電壓小幅上升;
5)脈沖階段(脈沖充電):當充電電壓上升到進入脈沖充電階段,如果充電電壓鐘未達自動進入脈沖階段,池進行補充和維護;
6)浮(fu)充(chong)(chong)階(jie)段(duan)(浮(fu)充(chong)(chong)充(chong)(chong)電):脈沖充(chong)(chong)電自動進入浮(fu)充(chong)(chong)階(jie)段(duan),浮(fu)充(chong)(chong)階(jie)段(duan)充(chong)(chong)電機自動關機。
二、對于三段(duan)式充電原理及過程
不論哪(na)種(zhong)充(chong)電(dian)(dian)(dian)機,都必須要求正確(que)使用和操作:充(chong)電(dian)(dian)(dian)器的正確(que)操作是:充(chong)電(dian)(dian)(dian)時,先插(cha)電(dian)(dian)(dian)池(chi),后加市電(dian)(dian)(dian);充(chong)足后,先切斷市電(dian)(dian)(dian),后拔電(dian)(dian)(dian)池(chi)插(cha)頭(tou)。如果在充(chong)電(dian)(dian)(dian)時先拔電(dian)(dian)(dian)池(chi)插(cha)頭(tou),特(te)別是充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流大時,非常容易損(sun)壞充(chong)電(dian)(dian)(dian)器。
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