多種原因可引發電動車電池爆炸
“從(cong)外因來(lai)(lai)說,明火可能引起爆炸;從(cong)內因來(lai)(lai)說,充電(dian)器和電(dian)池本身(shen)存在質量問題,也可能引起爆炸。”太原市交(jiao)警支隊防火處高(gao)級工(gong)程師王(wang)祈(qi)為(wei)介紹,像電(dian)動車電(dian)池發生(sheng)爆炸的情況很(hen)少(shao),但(dan)也應該引起市民足(zu)夠(gou)重視。
他介紹,現在許多電動車使用智能充電器,電(dian)(dian)(dian)(dian)池充(chong)滿(man)電(dian)(dian)(dian)(dian)后有自動(dong)斷電(dian)(dian)(dian)(dian)功(gong)能。像沒有斷電(dian)(dian)(dian)(dian)功(gong)能的(de)充(chong)電(dian)(dian)(dian)(dian)器,電(dian)(dian)(dian)(dian)池充(chong)滿(man)后繼續長時間充(chong)電(dian)(dian)(dian)(dian),電(dian)(dian)(dian)(dian)池可(ke)能發生鼓包爆炸。一旦爆炸,充(chong)電(dian)(dian)(dian)(dian)器內的(de)線(xian)路短路就會出現(xian)火花(hua),從而引發火災(zai)。對于(yu)一般新的(de)蓄電(dian)(dian)(dian)(dian)池,前三次充(chong)電(dian)(dian)(dian)(dian)最好(hao)在(zai)(zai)8―12小(xiao)時,以后掌握在(zai)(zai)6―8小(xiao)時即可(ke)。
另外,電動車充電器盡量不要放在車上,因為有時候路面顛簸容易導致充電器內部發生短路,再充電時容易引起自燃;充電時應將充電器放置在比較容易散熱的地方,以防止充電時間過長,充電器過熱引發火(huo)患;車主要(yao)盡量(liang)避免在雨天、積水(shui)路(lu)段行駛,以防電(dian)機(ji)進水(shui),充電(dian)時短(duan)路(lu)著火(huo)。
一旦電動車發生自燃,車主千萬不要去拿電池,因為電池在燃燒過程中有可能爆炸。應該用衣服、雨衣等用力拍打起火處。如果火災難以控制,不可莽撞行事,要及時撥打119報警電話,等消防部門處置。