大眾led燈珠故障 |
發布時間:2022-10-08 16:00:16 |
大家好我是小編(bian)榮(rong)姐(jie)今天我們來介紹大眾(zhong)led燈珠故障(zhang) led燈故障(zhang)與(yu)維修的問題,以下就(jiu)是榮(rong)姐(jie)對此問題和(he)相關問題的歸納整理,一(yi)起來看看吧(ba)。 文章目錄導航: led燈故障與維修 1、LED燈常見故障(zhang)及維修(xiu)方法 2、1.LED燈(deng)珠損(sun)壞。這(zhe)是(shi)一個(ge)很常見(jian)的錯誤。一般LED燈(deng)珠燒(shao)壞時,表(biao)面會有(you)黑點,仔細觀察就能分辨(bian)出來。對(dui)于這(zhe)種故障(zhang)維修,需(xu)要配備烙鐵來清除(chu)燒(shao)壞的燈(deng)珠并更(geng)換。沒有(you)LED燈(deng)珠怎么辦它可以由一個(ge)約(yue)150的電阻代替,如果由恒(heng)流(liu)源驅動,該電阻可以直(zhi)接短路。 3、2.濾(lv)波電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)失效。簡單(dan)的LED燈通(tong)常是通(tong)過電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)電(dian)(dian)(dian)(dian)(dian)阻降壓后直接對(dui)交(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)源進行(xing)整(zheng)流(liu),再通(tong)過電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)濾(lv)波給LED燈珠(zhu)供電(dian)(dian)(dian)(dian)(dian)。如果(guo)濾(lv)波電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)失效,電(dian)(dian)(dian)(dian)(dian)壓會(hui)不(bu)穩(wen)定,DC電(dian)(dian)(dian)(dian)(dian)壓會(hui)很(hen)低(di),會(hui)使(shi)LED燈變暗。用(yong)萬用(yong)表的電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)文件(jian)測量濾(lv)波電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)的容(rong)(rong)(rong)量。如果(guo)誤差大于30%,則(ze)意味(wei)著電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)已經退化(hua)。只需找(zhao)一個耐壓和容(rong)(rong)(rong)量大于等于電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)參數的電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong),更換即可。 4、3.電(dian)(dian)(dian)容(rong)電(dian)(dian)(dian)阻降壓(ya)(ya)模塊損(sun)壞(huai)。電(dian)(dian)(dian)容(rong)電(dian)(dian)(dian)阻降壓(ya)(ya)模塊由并聯的電(dian)(dian)(dian)容(rong)和電(dian)(dian)(dian)阻組成。萬用表可以用來測(ce)量電(dian)(dian)(dian)容(rong)器(qi)和電(dian)(dian)(dian)阻器(qi)是(shi)否損(sun)壞(huai)。如果損(sun)壞(huai),找(zhao)一(yi)個(ge)等(deng)效參數的電(dian)(dian)(dian)容(rong)和電(dian)(dian)(dian)阻來更換。 5、4.線路斷開了。拆開LED燈,檢(jian)查內部輸(shu)(shu)入輸(shu)(shu)出(chu)接(jie)線有無斷線,如果(guo)有,用電烙(luo)鐵焊(han)接(jie)固定。 6、5.整(zheng)流(liu)二(er)極管故障。整(zheng)流(liu)二(er)極管有開路(lu)、短路(lu)等(deng)故障,可能是過(guo)電壓、過(guo)電流(liu)引起的(de),也(ye)可能是長期使(shi)用故障引起的(de)。隨便找一個(ge)反向耐壓大于(yu)(yu)350V,工作電流(liu)大于(yu)(yu)0.5A的(de)整(zheng)流(liu)二(er)極管,比如(ru)1N40041N4007等(deng)。 7、6.LED恒流驅動電(dian)路故障。對(dui)于(yu)這(zhe)種故障,需(xu)要有一(yi)定電(dian)子經驗(yan)的專業人員進行維修。對(dui)于(yu)普通用戶來說,在以上(shang)簡單故障查不(bu)出來后,不(bu)如更換一(yi)個新的LED燈。 8、以上是關于(yu)LED燈常見故障及(ji)維修方法的知識。希望你能有所收獲(huo)。 led燈故障與維修 1、LED燈(deng)常見故障及維修方法 2、1.LED燈(deng)(deng)珠(zhu)損壞。這是一個很常見的(de)錯誤。一般LED燈(deng)(deng)珠(zhu)燒(shao)(shao)壞時,表面會有黑點,仔細觀察(cha)就能分辨出來。對(dui)于這種(zhong)故障維修,需(xu)要配備(bei)烙鐵來清除燒(shao)(shao)壞的(de)燈(deng)(deng)珠(zhu)并更換。沒有LED燈(deng)(deng)珠(zhu)怎么辦(ban)它可以由(you)一個約(yue)150的(de)電(dian)阻代替(ti),如果由(you)恒(heng)流源驅動,該電(dian)阻可以直接短路。 3、2.濾波(bo)(bo)電(dian)容(rong)(rong)失(shi)(shi)效(xiao)。簡單的(de)LED燈通(tong)常是通(tong)過電(dian)容(rong)(rong)電(dian)阻降壓后(hou)直接對交流(liu)(liu)電(dian)源進行整流(liu)(liu),再(zai)通(tong)過電(dian)容(rong)(rong)濾波(bo)(bo)給(gei)LED燈珠供電(dian)。如果濾波(bo)(bo)電(dian)容(rong)(rong)失(shi)(shi)效(xiao),電(dian)壓會(hui)(hui)不(bu)穩定,DC電(dian)壓會(hui)(hui)很低,會(hui)(hui)使LED燈變(bian)暗。用萬用表的(de)電(dian)容(rong)(rong)文件測量濾波(bo)(bo)電(dian)容(rong)(rong)的(de)容(rong)(rong)量。如果誤差大于(yu)30%,則意(yi)味著電(dian)容(rong)(rong)已經退(tui)化。只需找一個(ge)耐(nai)壓和(he)容(rong)(rong)量大于(yu)等于(yu)電(dian)容(rong)(rong)參數的(de)電(dian)容(rong)(rong),更換即可。 4、3.電(dian)(dian)容(rong)(rong)電(dian)(dian)阻降壓模塊(kuai)損(sun)壞。電(dian)(dian)容(rong)(rong)電(dian)(dian)阻降壓模塊(kuai)由并(bing)聯(lian)的電(dian)(dian)容(rong)(rong)和電(dian)(dian)阻組(zu)成。萬用(yong)表可(ke)以用(yong)來測量電(dian)(dian)容(rong)(rong)器和電(dian)(dian)阻器是否損(sun)壞。如果損(sun)壞,找一個等效參數的電(dian)(dian)容(rong)(rong)和電(dian)(dian)阻來更(geng)換。 5、4.線路斷開了。拆(chai)開LED燈,檢查內部輸(shu)(shu)入輸(shu)(shu)出(chu)接線有無(wu)斷線,如果有,用電(dian)烙鐵焊(han)接固定。 6、5.整流二極管(guan)故障。整流二極管(guan)有(you)開路、短路等故障,可(ke)能是(shi)過電壓(ya)、過電流引(yin)起的(de),也可(ke)能是(shi)長期使用故障引(yin)起的(de)。隨便找一(yi)個反(fan)向耐壓(ya)大(da)于350V,工(gong)作電流大(da)于0.5A的(de)整流二極管(guan),比(bi)如1N40041N4007等。 7、6.LED恒流驅動電(dian)路故(gu)(gu)障(zhang)(zhang)。對于這(zhe)種故(gu)(gu)障(zhang)(zhang),需要有一(yi)定電(dian)子(zi)經驗的專業人員進行維修。對于普通(tong)用戶(hu)來說(shuo),在以上簡單故(gu)(gu)障(zhang)(zhang)查不(bu)出來后,不(bu)如(ru)更換一(yi)個新的LED燈。 8、以上是關于LED燈(deng)常見故障及維修方法的知識。希望你(ni)能(neng)有所收獲(huo)。 朗逸換led燈泡顯示車燈故障 安(an)裝了led燈珠(zhu)之后,需要后期(qi)加(jia)裝一個led模塊的,如果(guo)不加(jia)裝這個模塊的話,led燈是(shi)無法進行解碼的,這個需要重新更改(gai)中央電器(qi)控制單元(yuan)里邊的編碼,如果(guo)不更改(gai)的話,就會一直(zhi)亮燈光(guang)的故障燈會影響(xiang)車身控制單元(yuan)的控制, 所(suo)以它會亮故障碼(ma),建議(yi)你去改裝燈(deng)的(de)地(di)方(fang)加(jia)裝一個LED燈(deng)的(de)模塊,然(ran)后使用解(jie)碼(ma)器進(jin)行編碼(ma),這(zhe)樣就可(ke)以解(jie)決(jue)問題了(le)。 led燈三種常見故障解決方法 一,LED燈珠(zhu)與LED驅動電(dian)源不(bu)(bu)匹配(pei),正常(chang)單顆足1W燈珠(zhu)承受電(dian)流(liu):280-300mA,電(dian)壓:3.0-3.4V,如果燈珠(zhu)芯片不(bu)(bu)是(shi)足功率的(de)就(jiu)會(hui)造成燈光光源頻閃現象,電(dian)流(liu)過高燈珠(zhu)不(bu)(bu)能承受就(jiu)一亮一滅,嚴重現象會(hui)把燈珠(zhu)內置的(de)金(jin)線(xian)或者銅線(xian)燒(shao)斷,導致(zhi)燈珠(zhu)不(bu)(bu)亮。 二,可能是驅動電源壞了,只要換(huan)上(shang)另一個好的(de)驅動電源,就不閃(shan)了。 三,如(ru)果驅(qu)動有過(guo)溫(wen)保護(hu)功能,而(er)燈(deng)具的(de)(de)材(cai)質散熱性能不能達(da)到(dao)要求,驅(qu)動過(guo)溫(wen)保護(hu)開(kai)始工(gong)作也就會有一閃一滅的(de)(de)現象,例(li)如(ru):20W投(tou)光(guang)燈(deng)外殼用來裝配30W的(de)(de)燈(deng)具,散熱工(gong)作沒有做好就會這樣了(le)。 四(si),如果戶外燈具(ju)也有(you)頻閃一亮一滅現象,那就(jiu)是(shi)(shi)燈具(ju)進水了(le)。后果就(jiu)是(shi)(shi)閃著閃著就(jiu)不亮了(le)。燈珠(zhu)和驅(qu)動(dong)就(jiu)壞了(le),驅(qu)動(dong)防水做的好的話,就(jiu)只是(shi)(shi)壞掉燈珠(zhu),更換光(guang)源即可。 led燈珠閃爍故障解決方法 1、 如果是因(yin)為電路問(wen)題導致(zhi)的燈具(ju)閃爍故障,可以(yi)檢(jian)查開(kai)關(guan)插座(zuo)處的零線(xian)和火線(xian)是否接(jie)好,在(zai)實(shi)(shi)際上(shang)手過程中,可以(yi)用電筆,萬用表等(deng)工具(ju)來判斷零線(xian)和火線(xian),如果確實(shi)(shi)存在(zai)接(jie)線(xian)問(wen)題,重新接(jie)線(xian)即(ji)可。 2、 如(ru)果是驅(qu)動電(dian)源(yuan)(yuan)存在問題,則更(geng)換一個合(he)適的驅(qu)動電(dian)源(yuan)(yuan)即可,更(geng)換的新驅(qu)動電(dian)源(yuan)(yuan)一定要與燈珠相匹配(pei)。 3、 如果是因為燈(deng)具散熱(re)存在問題,導致驅動(dong)電源開啟了過熱(re)保護,可以在燈(deng)具外殼涂上一(yi)層散熱(re)涂料來強化散熱(re)。 4、 如(ru)果(guo)不知(zhi)道具(ju)體是(shi)LED燈的哪里存在問(wen)題(ti),可(ke)以先用(yong)電(dian)(dian)筆檢查(cha)電(dian)(dian)路是(shi)否(fou)是(shi)通路,當(dang)排(pai)除電(dian)(dian)路問(wen)題(ti)導致的故障(zhang)之(zhi)后(hou),再(zai)檢查(cha)是(shi)否(fou)是(shi)驅動器存在問(wen)題(ti),如(ru)是(shi)則用(yong)一個新的驅動器替換上(shang)去即可(ke)。 以上就(jiu)是天成小編(bian)對于(yu)大(da)眾(zhong)led燈珠故障 led燈故障與維修問(wen)題和相關(guan)問(wen)題的(de)解答了,希(xi)望對你有用 【責任編(bian)輯:榮姐(jie)】 |