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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:

鋰電(dian)(dian)池(chi)(chi)充電(dian)(dian)器(qi)原理(li)圖(tu)(tu)是(shi)什(shen)(shen)么(me)呢(ni)?在充電(dian)(dian)時,手機和電(dian)(dian)動車使(shi)用的充電(dian)(dian)器(qi)多為鋰電(dian)(dian)池(chi)(chi)充電(dian)(dian)器(qi),那么(me)你(ni)知道鋰電(dian)(dian)池(chi)(chi)充電(dian)(dian)器(qi)原理(li)圖(tu)(tu)是(shi)什(shen)(shen)么(me)呢(ni)?下(xia)面世界工廠網小編就和大家聊聊鋰電(dian)(dian)池(chi)(chi)充電(dian)(dian)器(qi)原理(li)圖(tu)(tu),也長長見識(shi)。

  鋰(li)離子(zi)電(dian)(dian)池(chi)具有單只端電(dian)(dian)壓(ya)高(gao)、比(bi)容量大(da)(da)(da)等優點,但其(qi)充(chong)(chong)(chong)(chong)電(dian)(dian)必(bi)須使用(yong)專用(yong)充(chong)(chong)(chong)(chong)電(dian)(dian)器(qi),因(yin)(yin)為(wei)(wei)它在過充(chong)(chong)(chong)(chong)電(dian)(dian)時(shi)極易損壞。鋰(li)離子(zi)電(dian)(dian)池(chi)充(chong)(chong)(chong)(chong)電(dian)(dian)器(qi)之所以稱(cheng)“新創意(yi)”,是(shi)因(yin)(yin)為(wei)(wei)它除監視電(dian)(dian)池(chi)的充(chong)(chong)(chong)(chong)電(dian)(dian)狀態外,還能分階(jie)段控(kong)制電(dian)(dian)池(chi)的最(zui)大(da)(da)(da)充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流。用(yong)本充(chong)(chong)(chong)(chong)電(dian)(dian)器(qi)充(chong)(chong)(chong)(chong)電(dian)(dian)開(kai)始時(shi),充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流從10mA依次遞增至270mA,當電(dian)(dian)量充(chong)(chong)(chong)(chong)至70%左右時(shi),自動改(gai)用(yong)最(zui)大(da)(da)(da)220mA充(chong)(chong)(chong)(chong)電(dian)(dian),然后依次改(gai)為(wei)(wei)最(zui)大(da)(da)(da)170mA、120mA和70mA,最(zui)后以10mA左右的涓流結(jie)束充(chong)(chong)(chong)(chong)電(dian)(dian)。這種充(chong)(chong)(chong)(chong)電(dian)(dian)方法可以較(jiao)大(da)(da)(da)限度地(di)將鋰(li)離子(zi)電(dian)(dian)池(chi)充(chong)(chong)(chong)(chong)足(zu)。

  本(ben)裝置電(dian)(dian)路如(ru)附圖所示。IC1構成頻率約1Hz1的(de)(de)多諧振蕩器,IC2構成脈沖(chong)頻率6分配(pei)器,IC3構成充電(dian)(dian)執行電(dian)(dian)路。通電(dian)(dian)后(hou)IC2復位,Q0輸出高電(dian)(dian)平,這時(shi)IC3輸出電(dian)(dian)壓(ya)僅1.25V,電(dian)(dian)路由(you)+15V經(jing)(jing)R1給(gei)電(dian)(dian)池(chi)提供約10mA的(de)(de)充電(dian)(dian)電(dian)(dian)流。通電(dian)(dian)后(hou)IC1起振,其③腳輸出的(de)(de)脈沖(chong)觸發IC2工(gong)作,使輸出端(duan)Q1~Q5依(yi)次出現高電(dian)(dian)平,經(jing)(jing)不同(tong)的(de)(de)分壓(ya)電(dian)(dian)阻(zu)分壓(ya)后(hou),IC3的(de)(de)輸出電(dian)(dian)壓(ya)按6V、7V、8V、9V、10V依(yi)次遞增,充電(dian)(dian)電(dian)(dian)流也因此在(zai)70mA至(zhi)270mA之間依(yi)次遞增。當Q6輸出高電(dian)(dian)平時(shi)IC2被復位,此后(hou)電(dian)(dian)路在(zai)IC1輸出脈沖(chong)的(de)(de)作用下重復上述過程。

  鋰(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)(de)標(biao)稱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)為(wei)(wei)3.6V,通(tong)常放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)至3V即(ji)需充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),終(zhong)止(zhi)充(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)(ya)最高(gao)(gao)為(wei)(wei)4.2V。IC4構成電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)檢(jian)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路,其門限電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)即(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)終(zhong)止(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)可通(tong)過(guo)(guo)(guo)RP在4~4.2V范圍內設(she)(she)定(ding)(ding)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)剛(gang)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)的(de)(de)(de)(de)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)低于(yu)檢(jian)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路的(de)(de)(de)(de)門限電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya),IC4輸出低電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping),這時(shi)(shi)IC2的(de)(de)(de)(de)Q0~Q5均能依次循(xun)環呈高(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping),使充(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A~270門A之間(jian)階(jie)躍(yue)(yue)循(xun)環變化,即(ji)Q0=1時(shi)(shi)充(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)(yue)10門A,Q1=1時(shi)(shi)階(jie)躍(yue)(yue)至約(yue)(yue)70mA……,Q5=1時(shi)(shi)階(jie)躍(yue)(yue)至最大(da),約(yue)(yue)270mA。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)進一(yi)定(ding)(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)后,其端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)升高(gao)(gao),且大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)呈現的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)比小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)更高(gao)(gao)。因此,經過(guo)(guo)(guo)一(yi)段時(shi)(shi)間(jian)的(de)(de)(de)(de)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),會出現當Q5=1、充(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)(yue)270mA時(shi)(shi),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)瞬間(jian)超(chao)過(guo)(guo)(guo)終(zhong)止(zhi)充(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)(ya)設(she)(she)定(ding)(ding)值的(de)(de)(de)(de)情況(kuang),致使IC4輸出高(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping),IC2被強(qiang)制(zhi)復位,最大(da)充(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)自動改為(wei)(wei)220mA(對(dui)應于(yu)Q4=1)。繼(ji)續充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),又會出現220mA充(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)使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)超(chao)過(guo)(guo)(guo)設(she)(she)定(ding)(ding)值的(de)(de)(de)(de)情況(kuang),因此IC2當其Q4=1時(shi)(shi)即(ji)被強(qiang)制(zhi)復位,最大(da)充(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)又改為(wei)(wei)170mA(對(dui)應于(yu)Q3=1)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)越充(chong)(chong)越足,最后,70mA充(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)應于(yu)Q1=1)能使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)超(chao)過(guo)(guo)(guo)設(she)(she)定(ding)(ding)值,于(yu)是(shi)IC2的(de)(de)(de)(de)狀態停(ting)留在Q0為(wei)(wei)高(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)上,+15V通(tong)過(guo)(guo)(guo)R1給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)以(yi)10mA的(de)(de)(de)(de)涓流(liu)(liu)(liu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。

  LED1~LED6用作(zuo)充(chong)電狀態指(zhi)示,同時也是電池(chi)容量(liang)指(zhi)示。全亮(liang)表(biao)示電池(chi)正在全流(liu)充(chong)電,僅LED1亮(liang)表(biao)示充(chong)電過程已結束,處于涓流(liu)充(chong)電狀態。

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