LED燈燒燈珠6 |
發布時間:2022-09-28 18:07:13 |
大家好我是小編榮姐(jie)今天(tian)我們來(lai)介紹LED燈(deng)燒(shao)燈(deng)珠6 led燈(deng)燒(shao)燈(deng)珠是什么原因(yin)的(de)問題(ti),以下就是榮姐(jie)對此問題(ti)和(he)相關問題(ti)的(de)歸納整理,一起來(lai)看看吧。 文章目錄導航: 6燈珠的LED燈泡是不是次品啊 不(bu)能這樣說。led燈泡(pao)采用(yong)(yong)的(de)(de)燈珠(zhu)(zhu)有各(ge)種各(ge)樣的(de)(de),燈珠(zhu)(zhu)數量(liang)也(ye)不(bu)盡相同。其中(zhong)用(yong)(yong)六顆燈珠(zhu)(zhu)的(de)(de)燈泡(pao)也(ye)不(bu)在少(shao)數。一個燈是(shi)(shi)不(bu)是(shi)(shi)次品(pin)不(bu)是(shi)(shi)看它用(yong)(yong)了幾個燈珠(zhu)(zhu)而是(shi)(shi)看在正常(chang)工作(zuo)時能不(bu)能發揮(hui)其作(zuo)用(yong)(yong),其各(ge)項(xiang)參(can)數是(shi)(shi)否符合標準。在生(sheng)產(chan)過程中(zhong)產(chan)生(sheng)少(shao)量(liang)次品(pin)也(ye)是(shi)(shi)正常(chang)的(de)(de)但跟燈珠(zhu)(zhu)多少(shao)沒有關系(xi)。 led燈燒燈珠什么原因 原因:散熱不好就容易(yi)燒壞 LED燈(deng)(deng)與(yu)驅動器(qi)是(shi)配套(tao)使用的(de)(de),驅動器(qi)直流(liu)輸(shu)出的(de)(de)電壓(ya)和電流(liu)與(yu)燈(deng)(deng)板(ban)需要的(de)(de)電壓(ya)和電流(liu)一(yi)致(zhi)。LED燈(deng)(deng)珠(zhu)發(fa)光(guang)亮(liang)(liang)(liang)度(du)對電流(liu)很敏感,燈(deng)(deng)珠(zhu)通過的(de)(de)電流(liu)也(ye)有極限值。電流(liu)大(da)時亮(liang)(liang)(liang)度(du)大(da)但也(ye)發(fa)熱大(da),散熱不好就(jiu)容易燒壞。一(yi)般講因驅動器(qi)電壓(ya)波動升(sheng)高點而擊穿燈(deng)(deng)珠(zhu)的(de)(de)很少,但因電流(liu)波動加大(da)燒壞燈(deng)(deng)珠(zhu)的(de)(de)多(duo)。可(ke)在驅動器(qi)輸(shu)出端串一(yi)小(xiao)電阻(zu)限流(liu)保護(hu)燈(deng)(deng)珠(zhu)(亮(liang)(liang)(liang)度(du)稍(shao)減(jian))。 led燈珠6個一組怎么修六個腳的 如(ru)果要換(huan)6腳(jiao)LeD燈珠,要用恒溫加(jia)熱臺(tai)溫度設定(ding)280度,既(ji)可維修。 客廳的LED燈珠經常被燒壞該怎么修理電路需串聯一個多大的電阻 客(ke)廳里(li)的(de)LED燈(deng)(deng)的(de)燈(deng)(deng)珠經常(chang)被燒壞,出現這種情況(kuang)一般是LED燈(deng)(deng)珠的(de)驅動電流(liu)偏大,再加上燈(deng)(deng)珠可能散熱(re)不(bu)好,這樣便會導致燈(deng)(deng)珠燒壞。 簡單的(de)阻容降壓恒流(liu)驅動電路(lu)。 現在的(de)LED燈(deng)質量好(hao)(hao)的(de)其(qi)(qi)恒(heng)流(liu)(liu)(liu)驅(qu)(qu)(qu)動(dong)(dong)器(qi)一(yi)般都采(cai)(cai)用專用的(de)恒(heng)流(liu)(liu)(liu)驅(qu)(qu)(qu)動(dong)(dong)IC設(she)計,驅(qu)(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)比較穩定(ding)(ding),一(yi)般不(bu)容易損壞,而一(yi)些廉(lian)價的(de)LED燈(deng)有不(bu)少都是采(cai)(cai)用上圖所示的(de)簡單的(de)阻容降壓(ya)恒(heng)流(liu)(liu)(liu)驅(qu)(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)。這種驅(qu)(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)驅(qu)(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)不(bu)太穩定(ding)(ding),其(qi)(qi)大(da)(da)小與電(dian)(dian)(dian)(dian)(dian)(dian)容C1的(de)容量、市(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)高(gao)低(di)有關。若(ruo)遇到市(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)偏高(gao),或C1取值偏大(da)(da),這樣便(bian)會導致流(liu)(liu)(liu)過燈(deng)珠的(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)變大(da)(da),而LED燈(deng)珠在燈(deng)罩內,若(ruo)燈(deng)珠的(de)散(san)熱(re)不(bu)好(hao)(hao),工作(zuo)時間一(yi)長(chang)便(bian)可(ke)能會被燒壞。 簡單的(de)LED恒(heng)流(liu)(liu)(liu)驅(qu)(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板。 出(chu)現這種情況(kuang),我們可以(yi)(yi)用萬用表測量(liang)一下市電(dian)(dian)電(dian)(dian)壓是否(fou)偏(pian)高,降壓電(dian)(dian)容(rong)的容(rong)量(liang)與燈(deng)珠的工作(zuo)電(dian)(dian)流(liu)是否(fou)匹配。若(ruo)所在(zai)(zai)地區的市電(dian)(dian)電(dian)(dian)壓經常(chang)偏(pian)高,可以(yi)(yi)將電(dian)(dian)容(rong)C1的容(rong)量(liang)適當減(jian)小(xiao)一些。為了防止開燈(deng)瞬間浪涌電(dian)(dian)流(liu)損壞燈(deng)珠,亦可以(yi)(yi)適當增大電(dian)(dian)容(rong)C2的容(rong)量(liang)。另外,若(ruo)C1找不(bu)到合適容(rong)量(liang)的電(dian)(dian)容(rong),亦可以(yi)(yi)在(zai)(zai)C2兩端并聯一個(ge)阻(zu)(zu)值及功率(lv)合適的電(dian)(dian)阻(zu)(zu)(具(ju)體阻(zu)(zu)值視實際情況(kuang)而定),這樣可以(yi)(yi)對流(liu)入LED燈(deng)珠的電(dian)(dian)流(liu)進行分流(liu),從而減(jian)小(xiao)燈(deng)珠的工作(zuo)電(dian)(dian)流(liu),降低(di)其(qi)發熱量(liang)。 若想了(le)解更多(duo)的電(dian)子電(dian)路及元(yuan)器件知(zhi)識, led燈驅動有輸出負載就燒燈珠 燒掉的(de)主要(yao)(yao)原因是(shi)過電(dian)流(liu),也是(shi)電(dian)流(liu)過大造成的(de)。Led燈(deng)珠(zhu)的(de)結(jie)構(gou)是(shi)上下有(you)(you)兩根(gen)燈(deng)絲,我們行業(ye)內叫做(zuo)金(jin)線,純金(jin)的(de),做(zuo)導(dao)電(dian)用(yong),兩根(gen)正(zheng)極,兩根(gen)負(fu)極,真(zhen)正(zheng)好的(de)產品會有(you)(you)第(di)五根(gen)線,焊在齊納管上了(le),起保護作(zuo)用(yong)的(de)。如(ru)果是(shi)經(jing)常燒掉LED燈(deng)珠(zhu)的(de)話首先需要(yao)(yao)檢查電(dian)路(lu),如(ru)果電(dian)路(lu)沒(mei)有(you)(you)問題可以考慮(lv)換一個LED燈(deng)珠(zhu)。跟(gen)換的(de)最(zui)好是(shi)選擇(ze)一些(xie)大品牌 以上就是天成小編對(dui)于LED燈(deng)燒燈(deng)珠6 led燈(deng)燒燈(deng)珠是什(shen)么(me)原因問題(ti)和相關問題(ti)的解答(da)了(le),希望對(dui)你有用 【責任編輯:榮姐(jie)】 |