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直流充電機常見故障

2019/4/2 9:31:15??????點擊:
1.電(dian)(dian)(dian)(dian)源(yuan)指(zhi)示燈不(bu)亮,充電(dian)(dian)(dian)(dian)指(zhi)示燈也(ye)不(bu)亮。檢(jian)(jian)查充電(dian)(dian)(dian)(dian)器(qi)輸(shu)入(ru)電(dian)(dian)(dian)(dian)源(yuan)插(cha)(cha)頭(tou)與(yu)市(shi)電(dian)(dian)(dian)(dian)有沒(mei)(mei)有連接好(hao),可(ke)將(jiang)充電(dian)(dian)(dian)(dian)器(qi)輸(shu)入(ru)插(cha)(cha)頭(tou)插(cha)(cha)至正常的電(dian)(dian)(dian)(dian)源(yuan)插(cha)(cha)座中試一下(xia)(xia),如(ru)情況依(yi)舊,將(jiang)充電(dian)(dian)(dian)(dian)器(qi)外殼打開,觀察一下(xia)(xia)機內(nei)保(bao)險(xian)絲(si)有沒(mei)(mei)有斷(duan),如(ru)沒(mei)(mei)有斷(duan),先檢(jian)(jian)查一下(xia)(xia)電(dian)(dian)(dian)(dian)源(yuan)輸(shu)入(ru)線(xian)是(shi)否(fou)良好(hao),在排除電(dian)(dian)(dian)(dian)源(yuan)輸(shu)入(ru)線(xian)的故障后,應檢(jian)(jian)查一下(xia)(xia)電(dian)(dian)(dian)(dian)路板上(shang)高壓區附近的元(yuan)(yuan)器(qi)件是(shi)否(fou)有虛焊,保(bao)險(xian)絲(si)座是(shi)否(fou)有接觸(chu)不(bu)良現(xian)象,重(zhong)點檢(jian)(jian)查變壓器(qi)T1、三(san)極管V1、V2等是(shi)否(fou)有虛焊現(xian)象。另(ling)外,R5或R6開路,也(ye)會引(yin)起上(shang)述故障,如(ru)機內(nei)保(bao)險(xian)絲(si)已斷(duan),則(ze)千(qian)萬不(bu)要更(geng)(geng)換大安培的保(bao)險(xian)絲(si)管(充電(dian)(dian)(dian)(dian)器(qi)的保(bao)險(xian)絲(si)管一般為2A),應重(zhong)點檢(jian)(jian)查D1-D4、V1、V2、R4、R7及(ji)D15、D21有無(wu)損(sun)(sun)壞(huai),如(ru)有損(sun)(sun)壞(huai),可(ke)用同(tong)類型的更(geng)(geng)換。請注意(yi),上(shang)述元(yuan)(yuan)件損(sun)(sun)壞(huai)時(shi),可(ke)能會同(tong)時(shi)損(sun)(sun)壞(huai)一到(dao)二個,有時(shi)可(ke)能會同(tong)時(shi)損(sun)(sun)壞(huai)好(hao)幾個,檢(jian)(jian)修時(shi)需要逐一檢(jian)(jian)查、更(geng)(geng)換這(zhe)些(xie)元(yuan)(yuan)件后才能通電(dian)(dian)(dian)(dian)。
2.發熱(re)量大、且伴有異常(chang)響聲。故障原因是輸(shu)出級(ji)消振阻(zu)容R31、C17損壞所(suo)致。另外,C12開(kai)路(lu)或(huo)虛焊(han)也會(hui)引(yin)起上(shang)述故障。
3.工作時有異常響聲,充不進電。檢查電路板上C8是否有虛焊或損壞,一般更換C8均能解決。上海施(shi)能電(dian)器設備有限公(gong)司始建于1984年,上海市高新技術企業,中國工業車輛優秀配套供應商,上海電器行業名優產品,主要生產工頻系列充電機,高頻系列充電機,鋰電池充電機系列放電機系列充放電機等電器產品。
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