多種原因可引發電動車電池爆炸
“從(cong)(cong)外因來說(shuo),明火可能引(yin)(yin)起(qi)爆(bao)炸(zha);從(cong)(cong)內因來說(shuo),充電器和電池本身(shen)存在質(zhi)量問題,也可能引(yin)(yin)起(qi)爆(bao)炸(zha)。”太原市交警(jing)支(zhi)隊防火處高級工程師(shi)王(wang)祈為(wei)介(jie)紹(shao),像電動車電池發生爆(bao)炸(zha)的情況(kuang)很少,但也應該引(yin)(yin)起(qi)市民足夠重(zhong)視(shi)。
他介紹,現在許多電動車使用智能充電器,電(dian)(dian)(dian)池(chi)充(chong)(chong)滿電(dian)(dian)(dian)后有(you)自動斷電(dian)(dian)(dian)功(gong)能。像沒有(you)斷電(dian)(dian)(dian)功(gong)能的充(chong)(chong)電(dian)(dian)(dian)器(qi)(qi),電(dian)(dian)(dian)池(chi)充(chong)(chong)滿后繼續長(chang)時間充(chong)(chong)電(dian)(dian)(dian),電(dian)(dian)(dian)池(chi)可(ke)(ke)能發(fa)生(sheng)鼓包爆炸。一旦爆炸,充(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)內的線路(lu)短路(lu)就會出(chu)現(xian)火花(hua),從而引(yin)發(fa)火災。對于一般新的蓄電(dian)(dian)(dian)池(chi),前(qian)三次充(chong)(chong)電(dian)(dian)(dian)最好在8―12小(xiao)(xiao)時,以(yi)后掌握在6―8小(xiao)(xiao)時即可(ke)(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;車主要盡(jin)量避免在(zai)雨天、積水路(lu)(lu)段行駛,以防電機進(jin)水,充電時短路(lu)(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。