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鋰電池充電器原理圖是什么呢

2019/9/16 15:58:30??????點擊:

鋰(li)電(dian)池充(chong)電(dian)器原(yuan)理圖是什(shen)么呢?在充(chong)電(dian)時,手機和電(dian)動車使用(yong)的充(chong)電(dian)器多(duo)為鋰(li)電(dian)池充(chong)電(dian)器,那么你知道鋰(li)電(dian)池充(chong)電(dian)器原(yuan)理圖是什(shen)么呢?下面(mian)世界工廠網小(xiao)編(bian)就和大家(jia)聊聊鋰(li)電(dian)池充(chong)電(dian)器原(yuan)理圖,也長長見識。

  鋰(li)離(li)子電(dian)(dian)(dian)(dian)(dian)池具有(you)單(dan)只端(duan)電(dian)(dian)(dian)(dian)(dian)壓高、比容量(liang)大(da)(da)等優(you)點,但其充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)必須(xu)使用(yong)專用(yong)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi),因(yin)為它(ta)在過充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)時(shi)極(ji)易損壞。鋰(li)離(li)子電(dian)(dian)(dian)(dian)(dian)池充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)之所以(yi)稱“新創意”,是因(yin)為它(ta)除監視(shi)電(dian)(dian)(dian)(dian)(dian)池的充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)狀(zhuang)態外,還能(neng)分階段控制電(dian)(dian)(dian)(dian)(dian)池的最(zui)大(da)(da)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流。用(yong)本充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)開始時(shi),充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流從10mA依(yi)次遞(di)增至(zhi)270mA,當(dang)電(dian)(dian)(dian)(dian)(dian)量(liang)充(chong)(chong)(chong)至(zhi)70%左右時(shi),自動改用(yong)最(zui)大(da)(da)220mA充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian),然后依(yi)次改為最(zui)大(da)(da)170mA、120mA和70mA,最(zui)后以(yi)10mA左右的涓流結束充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)。這種充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)方法可(ke)以(yi)較大(da)(da)限度地(di)將鋰(li)離(li)子電(dian)(dian)(dian)(dian)(dian)池充(chong)(chong)(chong)足(zu)。

  本裝置電(dian)(dian)(dian)(dian)路如(ru)附圖所示。IC1構成頻率約(yue)1Hz1的(de)多諧振蕩器,IC2構成脈沖頻率6分配器,IC3構成充電(dian)(dian)(dian)(dian)執行電(dian)(dian)(dian)(dian)路。通電(dian)(dian)(dian)(dian)后(hou)IC2復位,Q0輸(shu)(shu)出(chu)高電(dian)(dian)(dian)(dian)平,這(zhe)時IC3輸(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)壓(ya)僅1.25V,電(dian)(dian)(dian)(dian)路由+15V經R1給電(dian)(dian)(dian)(dian)池(chi)提(ti)供約(yue)10mA的(de)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)。通電(dian)(dian)(dian)(dian)后(hou)IC1起振,其③腳(jiao)輸(shu)(shu)出(chu)的(de)脈沖觸發IC2工作(zuo),使輸(shu)(shu)出(chu)端Q1~Q5依(yi)(yi)次(ci)出(chu)現高電(dian)(dian)(dian)(dian)平,經不(bu)同的(de)分壓(ya)電(dian)(dian)(dian)(dian)阻分壓(ya)后(hou),IC3的(de)輸(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)壓(ya)按6V、7V、8V、9V、10V依(yi)(yi)次(ci)遞增,充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)也因此在70mA至270mA之間依(yi)(yi)次(ci)遞增。當Q6輸(shu)(shu)出(chu)高電(dian)(dian)(dian)(dian)平時IC2被復位,此后(hou)電(dian)(dian)(dian)(dian)路在IC1輸(shu)(shu)出(chu)脈沖的(de)作(zuo)用下重復上述過程。

  鋰電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)標稱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)為(wei)3.6V,通(tong)常放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)至3V即(ji)需充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),終止充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)最(zui)(zui)(zui)高(gao)(gao)(gao)為(wei)4.2V。IC4構成電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)檢(jian)測電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路,其門(men)限(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)即(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)終止電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)可通(tong)過(guo)RP在4~4.2V范圍內(nei)設定(ding)(ding)(ding)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)剛充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)的(de)(de)(de)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)低于檢(jian)測電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路的(de)(de)(de)門(men)限(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya),IC4輸出低電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)(ping)(ping),這時(shi)IC2的(de)(de)(de)Q0~Q5均能依次循環(huan)呈(cheng)高(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)(ping)(ping),使充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)在10門(men)A~270門(men)A之間階(jie)躍循環(huan)變化,即(ji)Q0=1時(shi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)約10門(men)A,Q1=1時(shi)階(jie)躍至約70mA……,Q5=1時(shi)階(jie)躍至最(zui)(zui)(zui)大(da)(da),約270mA。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)進一定(ding)(ding)(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量后,其端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)升高(gao)(gao)(gao),且大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)呈(cheng)現的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)比小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)更(geng)高(gao)(gao)(gao)。因此,經過(guo)一段時(shi)間的(de)(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),會出現當Q5=1、充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)約270mA時(shi),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)瞬間超過(guo)終止充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)設定(ding)(ding)(ding)值的(de)(de)(de)情(qing)況,致使IC4輸出高(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)(ping)(ping),IC2被強制復(fu)(fu)位,最(zui)(zui)(zui)大(da)(da)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)自(zi)動改為(wei)220mA(對應于Q4=1)。繼續充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),又會出現220mA充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)超過(guo)設定(ding)(ding)(ding)值的(de)(de)(de)情(qing)況,因此IC2當其Q4=1時(shi)即(ji)被強制復(fu)(fu)位,最(zui)(zui)(zui)大(da)(da)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)又改為(wei)170mA(對應于Q3=1)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量越(yue)充(chong)(chong)(chong)越(yue)足(zu),最(zui)(zui)(zui)后,70mA充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(對應于Q1=1)能使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)超過(guo)設定(ding)(ding)(ding)值,于是IC2的(de)(de)(de)狀態停(ting)留在Q0為(wei)高(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)(ping)(ping)上(shang),+15V通(tong)過(guo)R1給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)以10mA的(de)(de)(de)涓流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。

  LED1~LED6用作充電(dian)(dian)(dian)狀(zhuang)態指示(shi),同時(shi)也是電(dian)(dian)(dian)池容量指示(shi)。全(quan)亮表示(shi)電(dian)(dian)(dian)池正在(zai)全(quan)流充電(dian)(dian)(dian),僅(jin)LED1亮表示(shi)充電(dian)(dian)(dian)過程已結束,處于涓流充電(dian)(dian)(dian)狀(zhuang)態。

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