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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)器原理圖是什么(me)(me)(me)呢(ni)?在充(chong)電(dian)時,手機和電(dian)動車使用的充(chong)電(dian)器多(duo)為鋰(li)電(dian)池充(chong)電(dian)器,那么(me)(me)(me)你知道鋰(li)電(dian)池充(chong)電(dian)器原理圖是什么(me)(me)(me)呢(ni)?下(xia)面世界工廠網小編就和大家聊(liao)聊(liao)鋰(li)電(dian)池充(chong)電(dian)器原理圖,也長長見(jian)識。

  鋰離(li)(li)子電(dian)(dian)(dian)池(chi)具有單只端(duan)電(dian)(dian)(dian)壓高(gao)、比容(rong)量大等(deng)優點(dian),但其充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)必須使(shi)用(yong)專用(yong)充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)器,因為(wei)它在過充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)時極(ji)易損壞。鋰離(li)(li)子電(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)器之所以(yi)稱“新(xin)創意”,是(shi)因為(wei)它除監(jian)視(shi)電(dian)(dian)(dian)池(chi)的(de)充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)狀(zhuang)態外,還能分階段(duan)控制電(dian)(dian)(dian)池(chi)的(de)最(zui)大充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)。用(yong)本充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)器充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)開始時,充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)從(cong)10mA依次遞增(zeng)至(zhi)270mA,當(dang)電(dian)(dian)(dian)量充(chong)(chong)(chong)(chong)(chong)至(zhi)70%左(zuo)右時,自動改(gai)用(yong)最(zui)大220mA充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian),然(ran)后依次改(gai)為(wei)最(zui)大170mA、120mA和70mA,最(zui)后以(yi)10mA左(zuo)右的(de)涓(juan)流(liu)結束充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)。這(zhe)種充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)方法可以(yi)較(jiao)大限度地將(jiang)鋰離(li)(li)子電(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)(chong)(chong)足(zu)。

  本(ben)裝(zhuang)置電(dian)(dian)(dian)路(lu)如附圖所(suo)示。IC1構成(cheng)頻率(lv)約(yue)1Hz1的(de)(de)多諧振蕩器,IC2構成(cheng)脈(mo)沖(chong)頻率(lv)6分(fen)配器,IC3構成(cheng)充電(dian)(dian)(dian)執行電(dian)(dian)(dian)路(lu)。通電(dian)(dian)(dian)后(hou)(hou)IC2復位,Q0輸(shu)(shu)出高電(dian)(dian)(dian)平(ping)(ping),這時IC3輸(shu)(shu)出電(dian)(dian)(dian)壓僅1.25V,電(dian)(dian)(dian)路(lu)由+15V經R1給電(dian)(dian)(dian)池提供約(yue)10mA的(de)(de)充電(dian)(dian)(dian)電(dian)(dian)(dian)流。通電(dian)(dian)(dian)后(hou)(hou)IC1起振,其③腳輸(shu)(shu)出的(de)(de)脈(mo)沖(chong)觸發IC2工(gong)作,使輸(shu)(shu)出端Q1~Q5依(yi)次出現(xian)高電(dian)(dian)(dian)平(ping)(ping),經不同的(de)(de)分(fen)壓電(dian)(dian)(dian)阻分(fen)壓后(hou)(hou),IC3的(de)(de)輸(shu)(shu)出電(dian)(dian)(dian)壓按6V、7V、8V、9V、10V依(yi)次遞(di)增,充電(dian)(dian)(dian)電(dian)(dian)(dian)流也(ye)因此在70mA至(zhi)270mA之間依(yi)次遞(di)增。當(dang)Q6輸(shu)(shu)出高電(dian)(dian)(dian)平(ping)(ping)時IC2被復位,此后(hou)(hou)電(dian)(dian)(dian)路(lu)在IC1輸(shu)(shu)出脈(mo)沖(chong)的(de)(de)作用下(xia)重復上述過程。

  鋰電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)標(biao)稱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)為3.6V,通(tong)常(chang)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)至3V即需充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),終止(zhi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)最(zui)高(gao)(gao)(gao)為4.2V。IC4構(gou)成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)端(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)檢測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu),其門(men)(men)限電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)即電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)終止(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)可通(tong)過(guo)RP在4~4.2V范圍內(nei)設定。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)剛充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)的(de)(de)端(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)低于(yu)檢測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)門(men)(men)限電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya),IC4輸出(chu)(chu)低電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping),這時(shi)(shi)IC2的(de)(de)Q0~Q5均能依次循環呈(cheng)高(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping),使(shi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)在10門(men)(men)A~270門(men)(men)A之間階(jie)躍循環變(bian)化,即Q0=1時(shi)(shi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)約(yue)10門(men)(men)A,Q1=1時(shi)(shi)階(jie)躍至約(yue)70mA……,Q5=1時(shi)(shi)階(jie)躍至最(zui)大,約(yue)270mA。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)(chong)進一(yi)定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量后,其端(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)升(sheng)高(gao)(gao)(gao),且大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)呈(cheng)現(xian)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)比(bi)小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)更高(gao)(gao)(gao)。因(yin)此,經過(guo)一(yi)段時(shi)(shi)間的(de)(de)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),會出(chu)(chu)現(xian)當(dang)(dang)Q5=1、充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)約(yue)270mA時(shi)(shi),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)端(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)瞬間超過(guo)終止(zhi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)設定值的(de)(de)情況,致(zhi)使(shi)IC4輸出(chu)(chu)高(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping),IC2被強制復位,最(zui)大充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)自動改(gai)為220mA(對(dui)(dui)應于(yu)Q4=1)。繼續充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),又會出(chu)(chu)現(xian)220mA充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)端(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)超過(guo)設定值的(de)(de)情況,因(yin)此IC2當(dang)(dang)其Q4=1時(shi)(shi)即被強制復位,最(zui)大充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)又改(gai)為170mA(對(dui)(dui)應于(yu)Q3=1)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量越(yue)充(chong)(chong)(chong)(chong)越(yue)足,最(zui)后,70mA充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(對(dui)(dui)應于(yu)Q1=1)能使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)端(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)超過(guo)設定值,于(yu)是(shi)IC2的(de)(de)狀態停留在Q0為高(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)上,+15V通(tong)過(guo)R1給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)以10mA的(de)(de)涓流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。

  LED1~LED6用作充(chong)電(dian)狀態指示(shi)(shi),同(tong)時也是電(dian)池容量指示(shi)(shi)。全(quan)亮(liang)表(biao)(biao)示(shi)(shi)電(dian)池正在全(quan)流充(chong)電(dian),僅(jin)LED1亮(liang)表(biao)(biao)示(shi)(shi)充(chong)電(dian)過程已(yi)結束,處于涓流充(chong)電(dian)狀態。

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