充電機的充電原理和充電過程
一、對(dui)于六段(duan)式充電原理及過程如下(xia):
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)(fu)(fu)充階段(浮(fu)(fu)(fu)充充電):脈沖充電自動進入浮(fu)(fu)(fu)充階段,浮(fu)(fu)(fu)充階段充電機自動關機。
二、對于三段式充(chong)電原(yuan)理及過程
不論哪(na)種充(chong)電(dian)(dian)(dian)機,都必須要(yao)求正確使(shi)用和操(cao)作(zuo):充(chong)電(dian)(dian)(dian)器的正確操(cao)作(zuo)是:充(chong)電(dian)(dian)(dian)時,先插電(dian)(dian)(dian)池(chi)(chi),后(hou)加市電(dian)(dian)(dian);充(chong)足(zu)后(hou),先切斷市電(dian)(dian)(dian),后(hou)拔(ba)電(dian)(dian)(dian)池(chi)(chi)插頭(tou)。如果在充(chong)電(dian)(dian)(dian)時先拔(ba)電(dian)(dian)(dian)池(chi)(chi)插頭(tou),特別是充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)大時,非(fei)常容易損(sun)壞充(chong)電(dian)(dian)(dian)器。
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