車用led 大燈燈珠總燒 led燈珠為什么總是燒 |
發布時間:2022-09-21 11:54:25 |
大(da)家好我(wo)是(shi)小編榮姐今天我(wo)們來(lai)介(jie)紹車(che)用led 大(da)燈(deng)燈(deng)珠(zhu)總(zong)燒(shao) led燈(deng)珠(zhu)為什么總(zong)是(shi)燒(shao)的(de)問(wen)題(ti),以下就(jiu)是(shi)榮姐對此問(wen)題(ti)和相關問(wen)題(ti)的(de)歸納整理,一起來(lai)看看吧。 文章目錄導航:
LED燈老燒燈珠什么問題 LED燈(deng)(deng)與驅(qu)(qu)動(dong)(dong)器(qi)(qi)是配套使用(yong)的(de)(de)(de),驅(qu)(qu)動(dong)(dong)器(qi)(qi)直流(liu)(liu)(liu)(liu)輸出(chu)(chu)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)和電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)與燈(deng)(deng)板需要的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)和電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)一致。LED燈(deng)(deng)珠發光亮度(du)對電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)很敏感,燈(deng)(deng)珠通過的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)也有(you)極限值。電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)大時亮度(du)大但(dan)也發熱大,散(san)熱不好(hao)就容(rong)易燒(shao)壞。一般講(jiang)因驅(qu)(qu)動(dong)(dong)器(qi)(qi)電(dian)(dian)(dian)(dian)(dian)壓(ya)波動(dong)(dong)升高點而擊穿燈(deng)(deng)珠的(de)(de)(de)很少(shao),但(dan)因電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)波動(dong)(dong)加大燒(shao)壞燈(deng)(deng)珠的(de)(de)(de)多。可在(zai)驅(qu)(qu)動(dong)(dong)器(qi)(qi)輸出(chu)(chu)端串一小電(dian)(dian)(dian)(dian)(dian)阻限流(liu)(liu)(liu)(liu)保護燈(deng)(deng)珠(亮度(du)稍減)。 led燈珠總是燒是什么原因 led燈珠接在(zai)車上老是(shi)燒(shao),是(shi)因(yin)為電(dian)壓(ya)(ya)高了(le),LED的工(gong)作電(dian)壓(ya)(ya)為3V左右。應給LED燈珠串接一個適當的電(dian)阻進行降壓(ya)(ya),選擇大多的電(dian)阻,需要根據電(dian)壓(ya)(ya)及(ji)LED燈珠的個數來(lai)定(ding)。 LED:發光二極管(guan)簡稱為(wei)LED。由含(han)鎵(Ga)、砷(As)、磷(P)、氮(dan)(N)等的化合物制成。 當電(dian)子與(yu)空穴復(fu)合時(shi)能(neng)輻射出(chu)可(ke)見光(guang)(guang),因而可(ke)以用來制成發光(guang)(guang)二(er)極(ji)(ji)(ji)管(guan)(guan)(guan)。在電(dian)路及儀器中作為(wei)指示(shi)(shi)燈,或(huo)者組成文字或(huo)數字顯(xian)示(shi)(shi)。砷化(hua)鎵二(er)極(ji)(ji)(ji)管(guan)(guan)(guan)發紅光(guang)(guang),磷化(hua)鎵二(er)極(ji)(ji)(ji)管(guan)(guan)(guan)發綠光(guang)(guang),碳化(hua)硅(gui)二(er)極(ji)(ji)(ji)管(guan)(guan)(guan)發黃光(guang)(guang),氮化(hua)鎵二(er)極(ji)(ji)(ji)管(guan)(guan)(guan)發藍光(guang)(guang)。因化(hua)學(xue)性(xing)質又(you)分有機發光(guang)(guang)二(er)極(ji)(ji)(ji)管(guan)(guan)(guan)OLED和無機發光(guang)(guang)二(er)極(ji)(ji)(ji)管(guan)(guan)(guan)LED。 led燈珠接在車上為什么老是燒是怎么回事。怎么解決 你這個是燈的問題(ti),不(bu)關電壓的事(shi)情,你這款燈是阻(zu)容(rong)降壓的球泡燈,價格便宜,質量不(bu)穩定 稍(shao)微電流不穩定(ding)很(hen)容(rong)易燒燈珠的(de),而且這款燈光衰也大,使用不了(le)多久,燈的(de)亮度會變弱,現在市場已(yi)經淘汰的(de)這款燈,去年很(hen)就行,建(jian)議你去五金店(dian)買(mai)(mai)橫流的(de)帶驅(qu)動(dong)的(de)球(qiu)泡燈。最好買(mai)(mai)塑包(bao)鋁的(de)或者買(mai)(mai)鰭(qi)片球(qiu)泡燈.價格稍(shao)貴點(dian)。但(dan)能使用的(de)久點(dian)。阻容(rong)的(de)就不要買(mai)(mai)了(le)。 浪費錢 Led大燈燈珠老是容易壞一壞就一組一組的壞整流器也換了還是又滅了一組這是什么原因怎么解決 除外LED燈珠和恒流(liu)源本身質(zhi)量問題,通常都是因為led芯片過(guo)熱所致(不(bu)管是電流(liu)超限還(huan)是散熱不(bu)良引起(qi))。 解決辦法:按現有的恒(heng)流源(yuan)(俗稱驅(qu)動,不(bu)是傳統的鎮流器(qi))的參數,電(dian)壓不(bu)變,輸出(chu)電(dian)流降低一(yi)個級別。比如原來(lai)300mA,就換(huan)成280mA或260mA led燈珠經常燒是怎么回事 可能(neng)是驅動電源不(bu)好,電流較(jiao)大,LED燈(deng)珠散熱不(bu)好,廠家(jia)為了降低成本(ben),采用質(zhi)量(liang)差得(de)燈(deng)珠,所(suo)以經常會燒壞。 以上就是(shi)天(tian)成小編(bian)對(dui)于車用(yong)led 大燈燈珠總燒(shao) led燈珠為什么總是(shi)燒(shao)問(wen)題(ti)和相關問(wen)題(ti)的解(jie)答了,希望對(dui)你有(you)用(yong) 【責任編(bian)輯:榮姐】 |