我們經(jing)常(chang)接(jie)觸到(dao)的(de)一(yi)些(xie)公共場所，比如大學、寫(xie)字樓、大型商場、休(xiu)閑娛樂(le)俱樂(le)部，就會看到(dao)很多消(xiao)防(fang)(fang)應急(ji)燈。這種燈的(de)主要用途往往被我們忽(hu)視，以(yi)為(wei)它們的(de)作用只是在(zai)停電的(de)情(qing)況(kuang)下(xia)作為(wei)照(zhao)明(ming)燈具的(de)緊(jin)急(ji)機械設備，其實不(bu)然。萬一(yi)情(qing)況(kuang)突(tu)然，這盞小燈可以(yi)救人一(yi)命。但是消(xiao)防(fang)(fang)應急(ji)燈在(zai)使用的(de)過程(cheng)中難免也會出現一(yi)些(xie)故障，那么接(jie)下(xia)來大成智慧消(xiao)防(fang)(fang)應急(ji)燈廠家的(de)小編就來給大家介紹：消(xiao)防(fang)(fang)應急(ji)燈常(chang)見故障問(wen)題(ti)及處理方法：

　　1、消防(fang)應(ying)急(ji)燈(deng)主(zhu)電源系統正(zheng)常(chang)，但指(zhi)示燈(deng)未亮。

　　故障主(zhu)要是由(you)于發光二(er)極管(guan)的(de)(de)損(sun)壞。可以(yi)(yi)焊接，你可以(yi)(yi)使用萬用表，以(yi)(yi)確(que)定它是否處(chu)于良好的(de)(de)狀態。限流(liu)電阻r1或開路電阻越(yue)高，它也會變得越(yue)暗。

　　2、斷電(dian)時，指示燈(deng)仍亮著。

　　故障是由反向傳播特性惡化或擊穿引起(qi)的。只要進行更換自己一個(ge)IN4004整流二(er)極管(guan)，故障我們就可(ke)以有效(xiao)消除。

　　3、斷電(dian)后，正常(chang)工作一(yi)段時間(jian)后，燈的亮(liang)度會降低。

　　也(ye)就是說電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池可能(neng)(neng)出故(gu)障(zhang)了。由于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路沒(mei)有防止蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)保(bao)護裝置(zhi)，如果長(chang)時(shi)間切斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源，蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池不能(neng)(neng)斷開，當(dang)蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池終端電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)10v時(shi)，蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池會放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，其極(ji)板會過(guo)早損(sun)壞。解決蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池過(guo)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)問題(ti)的(de)較好方法是設(she)置(zhi)保(bao)護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路相對簡單。在(zai)應急照明過(guo)程中，當(dang)蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池的(de)終端電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓低(di)于(yu)10v時(shi)，將切斷vd，釋放(fang)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器ka，切斷蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池的(de)負載電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路，避免過(guo)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，縮短蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池的(de)使用(yong)壽命。Ka可選(xuan)用(yong)國產jrx-13f型(xing)高(gao)靈敏度繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器，引(yin)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)8ma，引(yin)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓6v。齊納二極(ji)管的(de)穩壓值為5v。

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