怎樣測試led燈珠好壞 |
發布時間:2022-08-20 12:06:15 |
大家(jia)好(hao)今(jin)天來(lai)介(jie)紹怎樣測(ce)試led燈(deng)珠(zhu)好(hao)壞(huai)(LED燈(deng)珠(zhu)如何測(ce)量好(hao)壞(huai))的問題,以下是小編對此問題的歸納(na)整理,來(lai)看看吧。 文章目錄列表:LED燈珠怎么測量好壞1. 可以(yi)將led燈(deng)(deng)帶通上電(dian)(dian)之后,使用(yong)萬用(yong)表的電(dian)(dian)壓(ya)檔(dang)在led燈(deng)(deng)串的兩端,檢查(cha)是(shi)否有電(dian)(dian)壓(ya)輸出,就(jiu)可以(yi)確定led燈(deng)(deng)的燈(deng)(deng)珠是(shi)否出現故障。 2. Led燈(deng)(deng)珠不(bu)發光,那么就代(dai)表燈(deng)(deng)珠是(shi)(shi)處于(yu)故(gu)障狀態,使用相同功率的燈(deng)(deng)珠進行替換即可。1、用肉眼觀察,如果LED燈(deng)(deng)珠有外觀燒傷,或(huo)里面的芯(xin)片發黑(hei),那就是(shi)(shi)LED燈(deng)(deng)珠物理損壞了。 2、如果手頭有干電池(chi),可以(yi)采用2顆1.5V電池(chi):串聯(lian)成3V,正反接一下,不亮就是壞(huai)的(de)。 3、萬用表(biao)測量法。a、用萬用表(biao)紅筆(bi)與LED燈珠正極(ji)接(jie)(jie)觸(chu)點(dian)相(xiang)連接(jie)(jie),萬用表(biao)黑筆(bi)與負(fu)極(ji)接(jie)(jie)觸(chu)點(dian)相(xiang)連接(jie)(jie),當LED燈珠微(wei)亮(liang)就是(shi)好的,否(fou)則(ze)可能(neng)壞了。 b、用(yong)(yong)數字(zi)萬(wan)用(yong)(yong)表(biao)則(ze)用(yong)(yong)二極管測量(liang)(liang)擋測量(liang)(liang)LED燈(deng)珠(zhu)(zhu)正負極接通(tong)和斷開即可(ke),如果(guo)用(yong)(yong)指(zhi)針萬(wan)用(yong)(yong)表(biao)則(ze)用(yong)(yong)10KΩ檔測量(liang)(liang),導通(tong)時可(ke)以直觀的看到(dao)LED燈(deng)珠(zhu)(zhu)微亮(liang),就是好(hao)的LED燈(deng)珠(zhu)(zhu)。4、LED測試(shi)筆。如果(guo)是用(yong)(yong)在維修或(huo)選型中(zhong),可(ke)以在萬(wan)能的X寶買一個,價格也不貴(gui),幾十(shi)元(yuan),使(shi)用(yong)(yong)很(hen)簡(jian)單。 LED燈如何判斷燈珠好壞區(qu)分LED燈(deng)珠的優劣方法: 一(yi)、看整體“燈(deng)具的(de)功(gong)(gong)率因(yin)數(shu)”:功(gong)(gong)率因(yin)數(shu)低(di),說明使用(yong)的(de)驅動電(dian)源、電(dian)路設計不(bu)好,會大大降低(di)燈(deng)具的(de)使用(yong)壽命,功(gong)(gong)率因(yin)數(shu)低(di),使用(yong)再好燈(deng)珠的(de)燈(deng)具壽命也不(bu)會長(chang)。 二、看“燈具散(san)(san)(san)熱條(tiao)件--材料、結構”:LED燈具散(san)(san)(san)熱也是很重要的,同(tong)樣功率因數的燈具和同(tong)品質的燈珠,如(ru)果散(san)(san)(san)熱條(tiao)件不好(hao),燈珠在高溫下(xia)工作(zuo),光衰會很大(da),燈具壽命會減少。 三、看“燈(deng)珠品(pin)質(zhi)(zhi)”:燈(deng)珠品(pin)質(zhi)(zhi)決定于芯片品(pin)質(zhi)(zhi)和封裝技術(shu)。 四、看燈(deng)(deng)具(ju)使(shi)用(yong)(yong)(yong)的(de)(de)驅動電(dian)源(yuan),電(dian)源(yuan)的(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命(ming)相對(dui)燈(deng)(deng)具(ju)的(de)(de)其(qi)他(ta)部分來說,壽(shou)(shou)(shou)命(ming)要短很多,電(dian)源(yuan)的(de)(de)壽(shou)(shou)(shou)命(ming)影響燈(deng)(deng)具(ju)的(de)(de)整(zheng)體壽(shou)(shou)(shou)命(ming),燈(deng)(deng)珠的(de)(de)理(li)論壽(shou)(shou)(shou)命(ming)在(zai)5-10萬小(xiao)時,而電(dian)源(yuan)的(de)(de)壽(shou)(shou)(shou)命(ming)在(zai)0.2-3萬小(xiao)時,電(dian)源(yuan)的(de)(de)設(she)計與材料(liao)選(xuan)擇(ze)會決(jue)定電(dian)源(yuan)的(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命(ming)。 五、看光效:同(tong)(tong)樣的燈(deng)珠功率,光效越(yue)高,亮(liang)度越(yue)高,同(tong)(tong)樣的照明亮(liang)度,耗(hao)電(dian)越(yue)小(xiao),越(yue)節能。 六、看電源(yuan)效率,電源(yuan)效率越高越好,越高,說(shuo)明電源(yuan)本身的功耗越小,輸出的功率越大。 七、看是(shi)否(fou)符合安全標(biao)準,我(wo)國(guo)LED燈具安全標(biao)準已(yi)經出臺(tai),請(qing)按國(guo)家規定的安全標(biao)準選(xuan)擇LED燈具。 八(ba)、看做工(gong)是否精(jing)細。 一個(ge)(ge)品質好(hao)的(de)(de)LED燈具,除(chu)上面(mian)提到的(de)(de)幾個(ge)(ge)主要(yao)(yao)方面(mian)外(wai),還要(yao)(yao)根據不同(tong)的(de)(de)使用環(huan)境(jing),有不同(tong)的(de)(de)技術(shu)要(yao)(yao)求,如防(fang)潮、防(fang)塵、防(fang)磁、防(fang)雷擊等。- led燈珠如何檢查好壞4種簡易測試好(hao)壞(huai)的(de)方(fang)法: 1、用眼(yan)睛(jing)觀(guan)(guan)察,如(ru)果LED燈(deng)珠外觀(guan)(guan)燒傷,或內部芯(xin)片發黑,那是對LED燈(deng)珠的物理損害(hai),即LED燈(deng)珠物理損壞。 2、如果手(shou)頭(tou)有(you)干電池(chi)(chi),可采用2顆1.5V的電池(chi)(chi)串(chuan)聯成3V的一個電池(chi)(chi)組,正(zheng)反兩(liang)端接上(shang),不亮說明可能燈珠壞了。 3、采用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)萬(wan)(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)表的(de)(de)測(ce)量(liang)方法。如何用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)簡易方法判斷led燈(deng)(deng)(deng)(deng)珠好(hao)壞(huai)led燈(deng)(deng)(deng)(deng)珠怎么測(ce)試好(hao)壞(huai)萬(wan)(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)表判斷led燈(deng)(deng)(deng)(deng)珠質量(liang)的(de)(de)方法主要有(you):a、用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)萬(wan)(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)表紅筆連接(jie)LED燈(deng)(deng)(deng)(deng)珠的(de)(de)正極觸點,用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)萬(wan)(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)表黑筆連接(jie)負極觸點,當LED燈(deng)(deng)(deng)(deng)珠出(chu)現微小(xiao)亮度(du)時(shi),就是(shi)好(hao)的(de)(de),否(fou)則可能已經損(sun)壞(huai)。b、用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)數字萬(wan)(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)表測(ce)量(liang)LED燈(deng)(deng)(deng)(deng)珠的(de)(de)正負極通斷情(qing)況,如果(guo)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)指針萬(wan)(wan)(wan)(wan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)表測(ce)量(liang),用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)10KΩ檔,導通時(shi)能直觀地看(kan)到(dao)LED燈(deng)(deng)(deng)(deng)珠的(de)(de)亮度(du),就是(shi)好(hao)的(de)(de)LED燈(deng)(deng)(deng)(deng)珠。 LED燈的燈珠怎么檢測好壞4種(zhong)簡(jian)易測試好壞的方法: 1、用眼(yan)睛觀(guan)察,如果LED燈(deng)珠(zhu)外觀(guan)燒傷,或內(nei)部芯片發黑,那是(shi)對LED燈(deng)珠(zhu)的(de)物理損(sun)害,即LED燈(deng)珠(zhu)物理損(sun)壞。 2、如果手頭有(you)干電(dian)池,可(ke)(ke)采用2顆1.5V的(de)電(dian)池串(chuan)聯(lian)成3V的(de)一個電(dian)池組,正反兩端接上,不(bu)亮說明可(ke)(ke)能燈(deng)珠壞了。 3、采用(yong)(yong)萬(wan)(wan)用(yong)(yong)表(biao)(biao)的(de)測量(liang)方(fang)法。如何用(yong)(yong)簡易方(fang)法判(pan)斷(duan)led燈(deng)(deng)(deng)珠(zhu)好(hao)壞(huai)led燈(deng)(deng)(deng)珠(zhu)怎(zen)么測試好(hao)壞(huai)萬(wan)(wan)用(yong)(yong)表(biao)(biao)判(pan)斷(duan)led燈(deng)(deng)(deng)珠(zhu)質量(liang)的(de)方(fang)法主(zhu)要有:a、用(yong)(yong)萬(wan)(wan)用(yong)(yong)表(biao)(biao)紅(hong)筆連接(jie)(jie)LED燈(deng)(deng)(deng)珠(zhu)的(de)正極(ji)觸(chu)點(dian),用(yong)(yong)萬(wan)(wan)用(yong)(yong)表(biao)(biao)黑(hei)筆連接(jie)(jie)負極(ji)觸(chu)點(dian),當LED燈(deng)(deng)(deng)珠(zhu)出現微小亮(liang)度時,就(jiu)是(shi)好(hao)的(de),否(fou)則(ze)可能(neng)已(yi)經損壞(huai)。b、用(yong)(yong)數字萬(wan)(wan)用(yong)(yong)表(biao)(biao)測量(liang)LED燈(deng)(deng)(deng)珠(zhu)的(de)正負極(ji)通(tong)斷(duan)情(qing)況,如果用(yong)(yong)指針萬(wan)(wan)用(yong)(yong)表(biao)(biao)測量(liang),用(yong)(yong)10KΩ檔(dang),導通(tong)時能(neng)直觀地看到(dao)LED燈(deng)(deng)(deng)珠(zhu)的(de)亮(liang)度,就(jiu)是(shi)好(hao)的(de)LED燈(deng)(deng)(deng)珠(zhu)。 LED燈珠怎么分好壞區分LED燈(deng)珠(zhu)的(de)好(hao)壞(huai)很(hen)簡單(dan),首(shou)先用(yong)萬用(yong)表電(dian)阻(zu)(zu)檔測量(liang)LED燈(deng)兩端值數,它和普通(tong)二極(ji)管的(de)測量(liang)方(fang)法相(xiang)同,因為(wei)LED本身(shen)就是(shi)發(fa)光二極(ji)管,正(zheng)反向阻(zu)(zu)值相(xiang)差很(hen)大(da),一(yi)般反向阻(zu)(zu)值無窮大(da),正(zheng)向阻(zu)(zu)值一(yi)般幾十歐姆為(wei)正(zheng)常,反之(zhi)就是(shi)有問題(ti)的(de)二機管,再用(yong)額定電(dian)壓通(tong)電(dian)看看是(shi)否發(fa)光即可辨(bian)認(ren)LED二極(ji)管好(hao)壞(huai) 以上就是小編對于(yu)怎樣測(ce)試led燈珠(zhu)好(hao)(hao)壞(LED燈珠(zhu)如何(he)測(ce)量好(hao)(hao)壞)問題(ti)和相(xiang)關問題(ti)的解答了(le),希望對你(ni)有用 |