【鉛酸蓄電池充電器】鉛酸蓄電池充電器電路圖 鉛酸蓄電池充電器原理

因為密封鉛酸蓄電池的諸多優點，因此獲得了廣泛應用。然而密封鉛酸蓄電池的充電技術似乎不被看重，因充電方式不合理而造成電池過早報(bao)廢的情況普遍存(cun)在。

鉛(qian)酸(suan)蓄電池充電器電路圖

充電原理分析：

1.維護充電：

當電(dian)(dian)(dian)池電(dian)(dian)(dian)壓較低(di)時（可設定，本電(dian)(dian)(dian)路預設在9V以下(xia)），充(chong)電(dian)(dian)(dian)器工作在小電(dian)(dian)(dian)流(liu)維護充(chong)電(dian)(dian)(dian)狀(zhuang)態下(xia)，工作原理為U1C⑨腳（同相端(duan)）電(dian)(dian)(dian)位低(di)于⑧腳（反相端(duan)），U1C輸(shu)出低(di)電(dian)(dian)(dian)位，T4截止(zhi)。U1D 11腳電(dian)(dian)(dian)位約0.18V。此時充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)約250mA（恒流(liu)電(dian)(dian)(dian)路由R14，U1D，T1B周(zhou)邊外(wai)圍電(dian)(dian)(dian)路構(gou)成，恒流(liu)原理讀者(zhe)請(qing)自行分析(xi)）。

2.快速充電：

隨著維護充(chong)電(dian)(dian)(dian)(dian)繼續，電(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)壓逐漸升高，當電(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)壓超過9V時，充(chong)電(dian)(dian)(dian)(dian)器轉入(ru)大電(dian)(dian)(dian)(dian)流(liu)快充(chong)模式下，U1C⑨腳（同(tong)相(xiang)端）電(dian)(dian)(dian)(dian)位(wei)高于⑧腳（反相(xiang)端），U1C輸出高電(dian)(dian)(dian)(dian)位(wei)，T4導通，U1D 11腳電(dian)(dian)(dian)(dian)位(wei)約為(wei)0.48V，充(chong)電(dian)(dian)(dian)(dian)器恒定輸出約1A電(dian)(dian)(dian)(dian)流(liu)給電(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian)。

3.限壓浮充：

當電(dian)(dian)(dian)(dian)池(chi)接近充(chong)足(zu)電(dian)(dian)(dian)(dian)時(shi)，充(chong)電(dian)(dian)(dian)(dian)器自動(dong)轉入限(xian)(xian)壓(ya)浮(fu)充(chong)狀(zhuang)態下(限(xian)(xian)壓(ya)浮(fu)充(chong)電(dian)(dian)(dian)(dian)壓(ya)設(she)定為(wei)13.8V，如為(wei)6V蓄電(dian)(dian)(dian)(dian)池(chi)，則(ze)浮(fu)充(chong)電(dian)(dian)(dian)(dian)壓(ya)應設(she)定為(wei)6.9V)，此時(shi)的充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)會由快速(su)充(chong)電(dian)(dian)(dian)(dian)狀(zhuang)態下逐漸(jian)下降，至(zhi)電(dian)(dian)(dian)(dian)池(chi)完(wan)全充(chong)足(zu)電(dian)(dian)(dian)(dian)后(hou)，充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)僅為(wei)10～30mA，用以補充(chong)電(dian)(dian)(dian)(dian)池(chi)因自放電(dian)(dian)(dian)(dian)而損失(shi)的電(dian)(dian)(dian)(dian)量。

4.保護及充電指示電路：

本電(dian)(dian)路(lu)設有反極(ji)性(xing)保護電(dian)(dian)路(lu)，由D4，U1C，U1D，T1及(ji)外圍元件(jian)構(gou)成(cheng)，當電(dian)(dian)池反接時，充(chong)(chong)電(dian)(dian)器(qi)(qi)限制輸(shu)出電(dian)(dian)流不(bu)致發生事(shi)故。充(chong)(chong)電(dian)(dian)指(zhi)示由U1A，D7及(ji)外圍元件(jian)構(gou)成(cheng)，充(chong)(chong)電(dian)(dian)時，D7點亮，充(chong)(chong)電(dian)(dian)器(qi)(qi)進(jin)入浮充(chong)(chong)狀態后，D7熄滅，表示充(chong)(chong)電(dian)(dian)結束。

5.本電(dian)(dian)路略為修(xiu)改電(dian)(dian)路參數即可任意調整(zheng)充(chong)電(dian)(dian)電(dian)(dian)流，浮充(chong)電(dian)(dian)壓以滿(man)足不同規格電(dian)(dian)池的需要。

6.物料清單如下

注：CF=碳膜(mo)(mo)(mo)電阻(zu)；MF=金(jin)屬膜(mo)(mo)(mo)電阻(zu)；M.O.F=金(jin)屬氧化膜(mo)(mo)(mo)電阻(zu)

*表示可根據需要(yao)調整的元件。

7.實測充(chong)電器(qi)的(de)充(chong)電曲線如(ru)下圖。

鉛酸蓄電池充電器參數解讀>>