鉛酸電池的(de)(de)無(wu)級調(diao)(diao)壓(ya)(流(liu)(liu))充電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)在整(zheng)流(liu)(liu)變壓(ya)器(qi)初級串接(jie)一(yi)只(zhi)(zhi)市(shi)(shi)售風扇調(diao)(diao)速器(qi)(烤火箱(xiang)調(diao)(diao)溫器(qi))，調(diao)(diao)改輸(shu)入工頻電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)就能達到無(wu)級調(diao)(diao)壓(ya)的(de)(de)目的(de)(de)。輸(shu)出波形雖不佳，實踐證(zheng)明是可行的(de)(de)。充電(dian)(dian)(dian)(dian)(dian)(dian)時，只(zhi)(zhi)要(yao)(yao)充電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)調(diao)(diao)到符合要(yao)(yao)求，電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)肯定(ding)也是合適的(de)(de)。(除電(dian)(dian)(dian)(dian)(dian)(dian)瓶(ping)本身有(you)故障外)。只(zhi)(zhi)有(you)電(dian)(dian)(dian)(dian)(dian)(dian)瓶(ping)極性接(jie)對了，繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)才吸合接(jie)通充電(dian)(dian)(dian)(dian)(dian)(dian)回路。當電(dian)(dian)(dian)(dian)(dian)(dian)瓶(ping)剩電(dian)(dian)(dian)(dian)(dian)(dian)過少，或充12V以(yi)下電(dian)(dian)(dian)(dian)(dian)(dian)瓶(ping)時，需充電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)接(jie)通市(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)，按一(yi)下AN幫助啟(qi)動(dong)。

負極(ji)回路串(chuan)了三只1Ω電(dian)(dian)(dian)(dian)阻(zu)(=0.333Ω)，是(shi)作(zuo)形成壓差檢(jian)測電(dian)(dian)(dian)(dian)流(liu)用(yong)的(de)(de)，輸出電(dian)(dian)(dian)(dian)壓越高、電(dian)(dian)(dian)(dian)流(liu)越大，其壓降越大。電(dian)(dian)(dian)(dian)流(liu)表(biao)(biao)實際是(shi)電(dian)(dian)(dian)(dian)壓表(biao)(biao)，只不過(guo)整定標值(zhi)(zhi)是(shi)電(dian)(dian)(dian)(dian)流(liu)數。本(ben)人用(yong)的(de)(de)是(shi)廉價91L16300V小方表(biao)(biao)，去(qu)掉表(biao)(biao)內串(chuan)接的(de)(de)220k降壓電(dian)(dian)(dian)(dian)阻(zu)，重新整定標值(zhi)(zhi)即(ji)成。下圖是(shi)無級調壓充電(dian)(dian)(dian)(dian)器的(de)(de)基(ji)本(ben)電(dian)(dian)(dian)(dian)路，制作(zuo)時，可根(gen)據要(yao)，選用(yong)整流(liu)變(bian)壓器的(de)(de)容量及次級電(dian)(dian)(dian)(dian)壓、整流(liu)二極(ji)管等。充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)選定：4～6Ah，選500mA以(yi)下；7～15Ah。選800mA-1.5A；15Ah以(yi)上選2A。

高(gao)(gao)頻(pin)(pin)高(gao)(gao)效充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)高(gao)(gao)頻(pin)(pin)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)，體小(xiao)(xiao)重量輕(qing)，充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)快，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)瓶(ping)(ping)無(wu)明顯(xian)記憶效應。下(xia)圖(tu)虛(xu)線(xian)(xian)(xian)(xian)左(zuo)側(ce)(ce)。是現成廢棄(qi)的60W節能(neng)熒光燈(deng)(deng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子鎮流(liu)(liu)(liu)(liu)器(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)，印制(zhi)板(ban)很小(xiao)(xiao)，整塊利用(yong)(yong)。將接(jie)燈(deng)(deng)管(guan)(guan)(guan)兩(liang)頭(tou)的輸(shu)(shu)出(chu)線(xian)(xian)(xian)(xian)接(jie)經改(gai)制(zhi)的彩電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)開關變壓(ya)器(qi)(qi)的初(chu)級。開關變壓(ya)器(qi)(qi)改(gai)制(zhi)時，初(chu)級及級間(jian)絕緣完整保留(初(chu)級里層(ceng)還有的繞(rao)組(zu)(zu)也不(bu)管(guan)(guan)(guan)它了)，拆(chai)除次級全(quan)部繞(rao)組(zu)(zu)，并記下(xia)各組(zu)(zu)匝(za)數(shu)(shu)(shu)，以(yi)便算出(chu)每匝(za)伏(fu)數(shu)(shu)(shu)，一般每匝(za)為(wei)0.46V～0.60V，再用(yong)(yong)0-7mm左(zuo)右的漆包線(xian)(xian)(xian)(xian)重繞(rao)你要的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)匝(za)數(shu)(shu)(shu)。中間(jian)多抽幾個(ge)頭(tou)，到時，出(chu)現估算不(bu)準可視情(qing)況使用(yong)(yong)。繞(rao)組(zu)(zu)伏(fu)數(shu)(shu)(shu)選定(ding)：半波整流(liu)(liu)(liu)(liu)，被充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)瓶(ping)(ping)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)V(標(biao)稱)×2.5。如(ru)：標(biao)稱12V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)瓶(ping)(ping)×2.5，等(deng)于(yu)30V(AC)。全(quan)波整流(liu)(liu)(liu)(liu)減半。1HB是正負(fu)反饋小(xiao)(xiao)環變，如(ru)發生輕(qing)負(fu)載啟動(dong)困(kun)難(無(wu)輸(shu)(shu)出(chu))，其L1可增繞(rao)1～2匝(za)。在充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)超(chao)過1A時，V1、V2會(hui)有點(dian)發熱(re)，拆(chai)下(xia)加適當(dang)散熱(re)片，另立位(wei)置(zhi)，再用(yong)(yong)導線(xian)(xian)(xian)(xian)連于(yu)原電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)板(ban)。虛(xu)線(xian)(xian)(xian)(xian)右側(ce)(ce)，整流(liu)(liu)(liu)(liu)及充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)輸(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)。設ZK，方便充(chong)(chong)(chong)(chong)6V、12V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)瓶(ping)(ping)時進(jin)行轉換。ZK的觸點(dian)容量要大(da)于(yu)5A，并盡(jin)量做到靜操作(通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)前)。整流(liu)(liu)(liu)(liu)管(guan)(guan)(guan)D1，一定(ding)要用(yong)(yong)高(gao)(gao)頻(pin)(pin)二(er)極(ji)管(guan)(guan)(guan)，普(pu)通(tong)工頻(pin)(pin)二(er)極(ji)管(guan)(guan)(guan)或整流(liu)(liu)(liu)(liu)橋，恢復速度慢，損(sun)耗大(da)，發熱(re)嚴重而損(sun)壞(huai)(廢棄(qi)VCD、衛數(shu)(shu)(shu)機電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源板(ban)有)。R11。在充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時會(hui)出(chu)現壓(ya)降(jiang)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)越大(da)壓(ya)降(jiang)越高(gao)(gao)。這個(ge)壓(ya)差(cha)剛(gang)好點(dian)一只LED作充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)指示，不(bu)充(chong)(chong)(chong)(chong)點(dian)不(bu)亮(liang)。充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)輸(shu)(shu)出(chu)要用(yong)(yong)紅黑(hei)明顯(xian)接(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)柱。充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)選定(ding)，參照前敘。這種充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)有高(gao)(gao)頻(pin)(pin)高(gao)(gao)壓(ya)，要用(yong)(yong)盒子安(an)裝，以(yi)保安(an)全(quan)。2HB初(chu)級絕不(bu)允許與(yu)左(zuo)側(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)開路(lu)(lu)(lu)。否則，左(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)將有千伏(fu)的上高(gao)(gao)壓(ya)(空(kong)載)，造成左(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)損(sun)壞(huai)。