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锂电池组(zu)的BMS保护功能

(1) 过充电保护

锂电(dian)池组(zu)具有过(guo)充(chong)电(dian)保(bao)护功能(neng)。当检测到(dao)过(guo)充(chong)电(dian)状态时，锂电(dian)池组(zu)保(bao)护系统应切(qie)断充(chong)电(dian)电(dian)路(lu)。锂电(dian)池组(zu)不应泄漏、冒烟、着火或爆炸。取消电(dian)压和电(dian)流后，锂电(dian)池组(zu)可(ke)以正常(chang)工作。

(2) 过放电保护

锂电(dian)(dian)(dian)池组(zu)的任何一(yi)个电(dian)(dian)(dian)芯的电(dian)(dian)(dian)压(ya)小于过放电(dian)(dian)(dian)保护电(dian)(dian)(dian)压(ya) (2.5V，可根据制造(zao)商给定值进(jin)行调节(jie)) 后(hou)，锂电(dian)(dian)(dian)池组(zu)保护系(xi)统(tong)可以切断放电(dian)(dian)(dian)电(dian)(dian)(dian)路。市电(dian)(dian)(dian)恢(hui)复后(hou)，锂电(dian)(dian)(dian)池组(zu)应自(zi)动恢(hui)复充电(dian)(dian)(dian)状态并正常工作。

(3) 短路保护

当锂(li)电(dian)池(chi)(chi)(chi)组(zu)充满电(dian)时，锂(li)电(dian)池(chi)(chi)(chi)组(zu)的正极和负极短路(lu)时，锂(li)电(dian)池(chi)(chi)(chi)组(zu)应(ying)该能(neng)够切(qie)断电(dian)路(lu)。锂(li)电(dian)池(chi)(chi)(chi)组(zu)不应(ying)泄漏液体、烟雾(wu)、火灾或爆炸。取(qu)消(xiao)短路(lu)后，锂(li)电(dian)池(chi)(chi)(chi)组(zu)可以正常工(gong)作。

(3) 反(fan)向连接保护(hu)

电(dian)(dian)池(chi)的(de)正(zheng)极(ji)(ji)和负极(ji)(ji)端子及极(ji)(ji)性(xing)应(ying)清楚(chu)标示，并应(ying)采用插接机构，防止反向连接设计特(te)性(xing); 当锂电(dian)(dian)池(chi)组(zu)充满电(dian)(dian)时(shi)，锂电(dian)(dian)池(chi)组(zu)保护(hu)系统可在正(zheng)负极(ji)(ji)反向时(shi)切断电(dian)(dian)路，并且锂电(dian)(dian)池(chi)组(zu)不应(ying)泄(xie)漏，冒烟(yan)，起火或(huo)爆炸，取消反向电(dian)(dian)压(ya)后锂电(dian)(dian)池(chi)组(zu)可以正(zheng)常工作。

(4) 过载保护

锂电池(chi)组(zu)按规(gui)定充满电后，当(dang)放电电流达(da)到过载(zai)保护电流值时，锂电池(chi)组(zu)保护系统应(ying)能(neng)切(qie)断电路，锂电池(chi)组(zu)不应(ying)漏(lou)液、冒烟、起火(huo)或爆炸，并且锂电池(chi)组(zu)在取消过载(zai)后可以正(zheng)常工(gong)作。

(5) 温度保护

当(dang)温度达(da)到保护(hu)点范围 时，锂(li)电池(chi)组(zu)应切断电路 (锂(li)电池(chi)组(zu)内部BMS组(zu)件(jian)高温保护(hu)除外)。当(dang)温度达(da)到恢(hui)复(fu)点范围时，锂(li)电池(chi)组(zu)应自(zi)动恢(hui)复(fu)工作。锂(li)电池(chi)组(zu)在整(zheng)个过程中不得泄漏液(ye)体，冒烟，着火或爆炸。