因(yin)為(wei)密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)的(di)諸(zhu)多(duo)優(you)點(dian),因(yin)此(ci)獲(huo)得(dei)了(liao)廣(guang)泛(fan)應(ying)用(yong).然(ran)而(er)密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)充(chong)電(dian)技(ji)術(zhu)似(shi)乎(hu)不(bu)被(bei)看(kan)重(chong).因(yin)充(chong)電(dian)方(fang)式(shi)不(bu)合(ge)理(li)而(er)造(zao)成(cheng)電(dian)池(chi)過(guo)一(yi)早(zao)報(bao)廢(fei)的(di)情(qing)況(kuang)普(pu)遍(bian)存(cun)在(zai).有(you)鑒(jian)於(yu)此(ci),設(she)計(ji)製(zhi)作(zuo)了(liao)一(yi)款(kuan)三(san)階(jie)段(duan)恒(heng)流(liu)限(xian)壓(ya)式(shi)鉛(qian)酸(suan)電(dian)池(chi)充(chong)電(dian)器(qi)。

充(chong)電(dian)原(yuan)理(li)分(fen)析(xi):
1.維(wei)護(hu)充(chong)電(dian):
當(dang)電(dian)池(chi)電(dian)壓(ya)較(jiao)低(di)時(shi)(可(ke)設(she)定(ding),木(mu)電(dian)路(lu)預(yu)設(she)在(zai)9V以(yi)下(xia)).充(chong)電(dian)器(qi)工(gong)作(zuo)在(zai)小(xiao)電(dian)流(liu)維(wei)護(hu)充(chong)電(dian)狀(zhuang)態(tai)下(xia),工(gong)作(zuo)原(yuan)理(li)為(wei)U1c)腳(jue)(同(tong)相(xiang)端(duan))電(dian)位(wei)低(di)於(yu)⑧腳(jue)(反(fan)相(xiang)端(duan)),U1C輸(shu)出(chu)低(di)電(dian)位(wei),T4截(jie)止(zhi)。U1D 11腳(jue)電(dian)位(wei)約(yao)0.18V.此(ci)時(shi)充(chong)電(dian)電(dian)流(liu)約(yao)250mA(恒(heng)流(liu)電(dian)路(lu)山(shan)R1A, U1D, T1B周(zhou)邊(bian)外(wai)田(tian)電(dian)路(lu)構(gou)成(cheng),恒(heng)流(liu)原(yuan)理(li)讀(dou)者(zhe)請(qing)自(zi)行(hang)分(fen)析(xi)).
2.快(kuai)速(su)充(chong)電(dian):
隨(sui)著(zhuo)維(wei)護(hu)充(chong)電(dian)繼(ji)續(xu),電(dian)池(chi)電(dian)壓(ya)逐(zhu)漸(jian)升(sheng)高(gao),當(dang)電(dian)池(chi)電(dian)壓(ya)超(chao)過(guo)9v時(shi),充(chong)電(dian)器(qi)轉(zhuan)入(ru)大(dai)電(dian)流(liu)快(kuai)充(chong)模(mu)式(shi)下(xia),U1C⑨腳(jue)(同(tong)相(xiang)端(duan))電(dian)位(wei)高(gao)於(yu)⑧腳(jue)(反(fan)相(xiang)端(duan))。U1C輸(shu)出(chu)高(gao)電(dian)位(wei),T4導(dao)通(tong),U1D 11腳(jue)電(dian)位(wei)約(yao)為(wei)0. 48V,充(chong)電(dian)器(qi)恒(heng)定(ding)輸(shu)出(chu)約(yao)lA電(dian)流(liu)給(ji)電(dian)池(chi)充(chong)電(dian)。

HDGC3970 蓄(xu)電(dian)池(chi)充(chong)電(dian)機(ji)
3.限(xian)壓(ya)浮(fu)充(chong):
當(dang)電(dian)池(chi)接(jie)近(jin)充(chong)足(ju)電(dian)時(shi),充(chong)電(dian)器(qi)自(zi)動(dong)轉(zhuan)入(ru)限(xian)壓(ya)浮(fu)充(chong)狀(zhuang)態(tai)下(xia)(限(xian)壓(ya)浮(fu)充(chong)電(dian)壓(ya)設(she)定(ding)為(wei)13. 8V,如(ru)為(wei)6V蓄(xu)電(dian)池(chi),則(ze)浮(fu)充(chong)電(dian)壓(ya)應(ying)設(she)定(ding)為(wei)6. 9V),此(ci)時(shi)的(di)充(chong)電(dian)電(dian)流(liu)會(kuai)山(shan)快(kuai)速(su)充(chong)電(dian)狀(zhuang)態(tai)下(xia)逐(zhu)漸(jian)下(xia)降(xiang),至(zhi)電(dian)池(chi)完(wan)全(quan)充(chong)足(ju)電(dian)後(hou),充(chong)電(dian)電(dian)流(liu)僅(jin)為(wei)10.30mA,用(yong)以(yi)補(bu)充(chong)電(dian)池(chi)因(yin)自(zi)放(fang)電(dian)而(er)損(sun)失(shi)的(di)電(dian)量(liang)。
4.保(bao)護(hu)及(ji)充(chong)電(dian)指(zhi)示(shi)電(dian)路(lu):
本(ben)電(dian)路(lu)設(she)有(you)反(fan)極(ji)性(xing)保(bao)護(hu)電(dian)路(lu),山(shan)D4, U1C, U1D, T1及(ji)外(wai)圍(wei)元(yuan)件(jian)構(gou)成(cheng),當(dang)電(dian)池(chi)反(fan)接(jie)時(shi),充(chong)電(dian)器(qi)限(xian)製(zhi)輸(shu)出(chu)電(dian)流(liu)不(bu)致(zhi)發(fa)生(sheng)事(shi)故(gu)。充(chong)電(dian)指(zhi)示(shi)山(shan)U1A. D7及(ji)外(wai)圍(wei)元(yuan)件(jian)構(gou)成(cheng),充(chong)電(dian)時(shi),D7點(dian)亮(liang),充(chong)電(dian)器(qi)進(jin)入(ru)浮(fu)充(chong)狀(zhuang)態(tai)後(hou),D7熄(xi)滅(mie),表(biao)示(shi)充(chong)電(dian)結(jie)束(shu)。
5.本(ben)電(dian)路(lu)略(lüe)為(wei)修(xiu)改(gai)電(dian)路(lu)參(shen)數(shuo)即(ji)可(ke)任(ren)意(yi)調(diao)整(zheng)充(chong)電(dian)電(dian)流(liu),浮(fu)充(chong)電(dian)壓(ya)以(yi)滿(man)足(ju)不(bu)同(tong)規(gui)格(ge)電(dian)池(chi)的(di)需(xu)要(yao)。
6.物(wu)料(liao)清(qing)單(shan)如(ru)下(xia)
