電容(rong)器如果發生爆炸(zha),其威力是不容(rong)小覷(qu)的(de),那么究竟(jing)是哪些原因引起電容(rong)器發生爆炸(zha)的(de)呢(ni)?今天電(dian)源適配器(qi)廠家就來為大家詳(xiang)解一下這(zhe)個(ge)問(wen)題。
1、正負極接反(fan)
有極性的電(dian)容,正負極被(bei)接(jie)反如鉭(tan)電(dian)容,正負極接(jie)反的話,輕(qing)則電(dian)容被(bei)燒焦,重則引起(qi)電(dian)容爆炸(zha)。
2、電容(rong)的(de)質量不過(guo)關
電(dian)(dian)容(rong)的質(zhi)量(liang)如果不過(guo)關的話(制造(zao)工藝(yi)不良(liang)等(deng)),可能會導致電(dian)(dian)容(rong)器的內部元件擊(ji)穿、外殼絕緣(yuan)的損壞等(deng),都可能引發電(dian)(dian)容(rong)的爆炸(找品牌(pai)電(dian)(dian)容(rong),可以進入點擊(ji)下面(mian)的鏈接前(qian)往:電(dian)(dian)容(rong)搜索結果頁)。
3、密(mi)封不良和漏(lou)油
裝配(pei)套管密封不良,導(dao)致潮(chao)氣(qi)進入(ru)內部(bu),會導(dao)致絕緣電阻的下降(jiang);或(huo)因漏油(you)使(shi)油(you)面下降(jiang),導(dao)降(jiang),從而導(dao)致對殼(ke)方向放電或(huo)元件擊穿。
4、溫(wen)度過高引發電容爆炸
如果電(dian)(dian)(dian)(dian)容(rong)(rong)的溫度(du)(du)過(guo)(guo)高(gao),其內部(bu)的電(dian)(dian)(dian)(dian)解(jie)液急(ji)速(su)汽化膨脹(zhang),沖(chong)破外殼(ke)束縛(fu)而(er)爆發(fa)。一般(ban)引發(fa)原因如下:①電(dian)(dian)(dian)(dian)壓過(guo)(guo)高(gao),導致電(dian)(dian)(dian)(dian)容(rong)(rong)擊穿,通過(guo)(guo)電(dian)(dian)(dian)(dian)容(rong)(rong)的電(dian)(dian)(dian)(dian)流(liu)在瞬間急(ji)速(su)增加(jia);②環境溫度(du)(du)過(guo)(guo)高(gao),超(chao)過(guo)(guo)電(dian)(dian)(dian)(dian)容(rong)(rong)的允許工作(zuo)溫度(du)(du),引起電(dian)(dian)(dian)(dian)解(jie)液沸騰;③電(dian)(dian)(dian)(dian)容(rong)(rong)極性接反。
5、外殼絕緣的損壞
電容器(qi)高壓側引出線由薄鋼片制成,如果(guo)制造工藝不良.邊緣不平(ping)有毛刺或嚴重彎折(zhe),其尖端容易(yi)產生電暈,電暈會使油分解、箱殼膨(peng)脹、油面下降而(er)造成擊(ji)穿。另(ling)外,在(zai)封(feng)蓋時(shi),轉角(jiao)處如果(guo)燒焊時(shi)間(jian)過長,將內部絕(jue)緣燒傷并產生油污和氣體,使電壓大大下降而(er)損(sun)壞。
以上這些就是一般導致電(dian)(dian)容器損壞的原因(yin),,希望(wang)電(dian)(dian)源適配器廠家的整理能夠幫助到大家。