測試led貼片燈珠 萬用表測量led貼片燈珠好壞圖解 |
發布時間:2022-08-25 13:00:05 |
大家好(hao)今(jin)天來(lai)介紹測(ce)試led貼片(pian)燈(deng)珠(貼片(pian)led燈(deng)珠功率(lv)辨別)的(de)問題,以(yi)下(xia)是小(xiao)編對此問題的(de)歸納整理,來(lai)看看吧。 文章目錄列表:大功率led貼片燈珠怎么測試好壞區分LED燈(deng)(deng)珠(zhu)的(de)(de)(de)(de)(de)(de)(de)(de)優劣方法:一、看整體(ti)“燈(deng)(deng)具(ju)(ju)的(de)(de)(de)(de)(de)(de)(de)(de)功率(lv)(lv)因數(shu)”:功率(lv)(lv)因數(shu)低(di)(di),說(shuo)明(ming)使(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)驅動電(dian)(dian)(dian)源(yuan)(yuan)、電(dian)(dian)(dian)路(lu)設(she)計不好(hao),會(hui)大(da)(da)(da)大(da)(da)(da)降低(di)(di)燈(deng)(deng)具(ju)(ju)的(de)(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命(ming)(ming)(ming),功率(lv)(lv)因數(shu)低(di)(di),使(shi)用(yong)(yong)(yong)再(zai)好(hao)燈(deng)(deng)珠(zhu)的(de)(de)(de)(de)(de)(de)(de)(de)燈(deng)(deng)具(ju)(ju)壽(shou)(shou)(shou)命(ming)(ming)(ming)也不會(hui)長。二、看“燈(deng)(deng)具(ju)(ju)散熱(re)條件--材(cai)料、結構”:LED燈(deng)(deng)具(ju)(ju)散熱(re)也是(shi)很重要的(de)(de)(de)(de)(de)(de)(de)(de),同(tong)(tong)樣(yang)功率(lv)(lv)因數(shu)的(de)(de)(de)(de)(de)(de)(de)(de)燈(deng)(deng)具(ju)(ju)和(he)同(tong)(tong)品質(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)燈(deng)(deng)珠(zhu),如果散熱(re)條件不好(hao),燈(deng)(deng)珠(zhu)在(zai)高(gao)溫下工作,光衰會(hui)很大(da)(da)(da),燈(deng)(deng)具(ju)(ju)壽(shou)(shou)(shou)命(ming)(ming)(ming)會(hui)減(jian)少(shao)。三、看“燈(deng)(deng)珠(zhu)品質(zhi)(zhi)”:燈(deng)(deng)珠(zhu)品質(zhi)(zhi)決(jue)定于(yu)芯(xin)片品質(zhi)(zhi)和(he)封裝技術(shu)(shu)。四(si)、看燈(deng)(deng)具(ju)(ju)使(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)驅動電(dian)(dian)(dian)源(yuan)(yuan),電(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命(ming)(ming)(ming)相對燈(deng)(deng)具(ju)(ju)的(de)(de)(de)(de)(de)(de)(de)(de)其他部分來說(shuo),壽(shou)(shou)(shou)命(ming)(ming)(ming)要短(duan)很多,電(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)壽(shou)(shou)(shou)命(ming)(ming)(ming)影響燈(deng)(deng)具(ju)(ju)的(de)(de)(de)(de)(de)(de)(de)(de)整體(ti)壽(shou)(shou)(shou)命(ming)(ming)(ming),燈(deng)(deng)珠(zhu)的(de)(de)(de)(de)(de)(de)(de)(de)理論壽(shou)(shou)(shou)命(ming)(ming)(ming)在(zai)5-10萬小(xiao)時(shi),而電(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)壽(shou)(shou)(shou)命(ming)(ming)(ming)在(zai)0.2-3萬小(xiao)時(shi),電(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)設(she)計與材(cai)料選擇(ze)會(hui)決(jue)定電(dian)(dian)(dian)源(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命(ming)(ming)(ming)。五、看光效(xiao):同(tong)(tong)樣(yang)的(de)(de)(de)(de)(de)(de)(de)(de)燈(deng)(deng)珠(zhu)功率(lv)(lv),光效(xiao)越(yue)(yue)(yue)(yue)高(gao),亮度(du)越(yue)(yue)(yue)(yue)高(gao),同(tong)(tong)樣(yang)的(de)(de)(de)(de)(de)(de)(de)(de)照明(ming)亮度(du),耗電(dian)(dian)(dian)越(yue)(yue)(yue)(yue)小(xiao),越(yue)(yue)(yue)(yue)節能(neng)。六、看電(dian)(dian)(dian)源(yuan)(yuan)效(xiao)率(lv)(lv),電(dian)(dian)(dian)源(yuan)(yuan)效(xiao)率(lv)(lv)越(yue)(yue)(yue)(yue)高(gao)越(yue)(yue)(yue)(yue)好(hao),越(yue)(yue)(yue)(yue)高(gao),說(shuo)明(ming)電(dian)(dian)(dian)源(yuan)(yuan)本身的(de)(de)(de)(de)(de)(de)(de)(de)功耗越(yue)(yue)(yue)(yue)小(xiao),輸(shu)出的(de)(de)(de)(de)(de)(de)(de)(de)功率(lv)(lv)越(yue)(yue)(yue)(yue)大(da)(da)(da)。七(qi)、看是(shi)否符合安全(quan)標(biao)準(zhun),我國LED燈(deng)(deng)具(ju)(ju)安全(quan)標(biao)準(zhun)已(yi)經出臺,請按國家規定的(de)(de)(de)(de)(de)(de)(de)(de)安全(quan)標(biao)準(zhun)選擇(ze)LED燈(deng)(deng)具(ju)(ju)。八、看做工是(shi)否精(jing)細。一個(ge)品質(zhi)(zhi)好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)LED燈(deng)(deng)具(ju)(ju),除上面提到的(de)(de)(de)(de)(de)(de)(de)(de)幾個(ge)主(zhu)要方面外,還要根據不同(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)環境,有不同(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)技術(shu)(shu)要求,如防(fang)潮、防(fang)塵、防(fang)磁、防(fang)雷(lei)擊等(deng)。--【OFweek半導體(ti)照明(ming)網】 用萬用表怎么測led貼片燈珠好壞萬(wan)用表(biao)(biao)(biao)測LED貼片燈珠(zhu)時(shi),用萬(wan)用表(biao)(biao)(biao)的Rx1檔,表(biao)(biao)(biao)筆(bi)的正負極分(fen)別測燈珠(zhu)的兩端時(shi),燈應該亮,如果(guo)不亮,對調表(biao)(biao)(biao)筆(bi)測量,如果(guo)亮是好(hao)的,不亮測是壞的。 怎樣檢測LED貼片燈珠現在的(de)(de)(de)(de)(de)LED燈(deng)珠,它的(de)(de)(de)(de)(de)壓(ya)降一(yi)般在3v左右(you),所(suo)以(yi)(yi)一(yi)般的(de)(de)(de)(de)(de)萬(wan)用表是(shi)(shi)測(ce)不(bu)了它的(de)(de)(de)(de)(de)。普通指針(zhen)(zhen)表的(de)(de)(de)(de)(de)電阻檔(dang)(dang)電壓(ya)一(yi)般在1.5V,有的(de)(de)(de)(de)(de)只有在高阻檔(dang)(dang)(*10K檔(dang)(dang))用9V或15V電池,所(suo)以(yi)(yi)指針(zhen)(zhen)表要(yao)測(ce)量LeD燈(deng)珠的(de)(de)(de)(de)(de)話(hua)(hua)要(yao)打到最(zui)高電阻檔(dang)(dang)測(ce)量,否則沒用的(de)(de)(de)(de)(de),當然這(zhe)時(shi)候的(de)(de)(de)(de)(de)亮度是(shi)(shi)很小(xiao),可能看不(bu)清,只能看正反電阻值的(de)(de)(de)(de)(de)大(da)小(xiao)進(jin)行(xing)(xing)判斷(duan)咯。 而(er)數字表的(de)(de)(de)(de)(de)二(er)極管檔(dang)(dang)的(de)(de)(de)(de)(de)輸出(chu)電壓(ya)也不(bu)高,一(yi)般在2.5V以(yi)(yi)下,所(suo)以(yi)(yi)測(ce)量LED燈(deng)珠也不(bu)行(xing)(xing),最(zui)好的(de)(de)(de)(de)(de)辦法是(shi)(shi)外加(jia)電測(ce)量。如(ru)果有很多燈(deng)珠要(yao)進(jin)行(xing)(xing)測(ce)量的(de)(de)(de)(de)(de)話(hua)(hua),可以(yi)(yi)搭一(yi)個恒流電源(yuan)進(jin)行(xing)(xing)測(ce)量。。 大功率led貼片燈珠怎么測試好壞區分LED燈(deng)(deng)(deng)(deng)珠的(de)(de)(de)(de)優劣方(fang)法:一、看(kan)整(zheng)體“燈(deng)(deng)(deng)(deng)具(ju)的(de)(de)(de)(de)功(gong)(gong)(gong)(gong)率(lv)因(yin)(yin)數”:功(gong)(gong)(gong)(gong)率(lv)因(yin)(yin)數低(di)(di),說(shuo)明(ming)使(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)驅(qu)動(dong)(dong)電(dian)源(yuan)、電(dian)路設計不(bu)好(hao)(hao)(hao),會大(da)(da)大(da)(da)降低(di)(di)燈(deng)(deng)(deng)(deng)具(ju)的(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命(ming),功(gong)(gong)(gong)(gong)率(lv)因(yin)(yin)數低(di)(di),使(shi)用(yong)(yong)(yong)再好(hao)(hao)(hao)燈(deng)(deng)(deng)(deng)珠的(de)(de)(de)(de)燈(deng)(deng)(deng)(deng)具(ju)壽(shou)(shou)(shou)命(ming)也不(bu)會長。二、看(kan)“燈(deng)(deng)(deng)(deng)具(ju)散(san)熱(re)(re)條件(jian)--材(cai)料、結構”:LED燈(deng)(deng)(deng)(deng)具(ju)散(san)熱(re)(re)也是很(hen)重要的(de)(de)(de)(de),同(tong)樣(yang)功(gong)(gong)(gong)(gong)率(lv)因(yin)(yin)數的(de)(de)(de)(de)燈(deng)(deng)(deng)(deng)具(ju)和(he)同(tong)品(pin)質(zhi)的(de)(de)(de)(de)燈(deng)(deng)(deng)(deng)珠,如果散(san)熱(re)(re)條件(jian)不(bu)好(hao)(hao)(hao),燈(deng)(deng)(deng)(deng)珠在高(gao)溫下工(gong)作(zuo),光衰(shuai)會很(hen)大(da)(da),燈(deng)(deng)(deng)(deng)具(ju)壽(shou)(shou)(shou)命(ming)會減少(shao)。三、看(kan)“燈(deng)(deng)(deng)(deng)珠品(pin)質(zhi)”:燈(deng)(deng)(deng)(deng)珠品(pin)質(zhi)決定于芯片品(pin)質(zhi)和(he)封(feng)裝(zhuang)技術(shu)。四、看(kan)燈(deng)(deng)(deng)(deng)具(ju)使(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)驅(qu)動(dong)(dong)電(dian)源(yuan),電(dian)源(yuan)的(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命(ming)相(xiang)對燈(deng)(deng)(deng)(deng)具(ju)的(de)(de)(de)(de)其(qi)他部分來說(shuo),壽(shou)(shou)(shou)命(ming)要短很(hen)多,電(dian)源(yuan)的(de)(de)(de)(de)壽(shou)(shou)(shou)命(ming)影響燈(deng)(deng)(deng)(deng)具(ju)的(de)(de)(de)(de)整(zheng)體壽(shou)(shou)(shou)命(ming),燈(deng)(deng)(deng)(deng)珠的(de)(de)(de)(de)理論(lun)壽(shou)(shou)(shou)命(ming)在5-10萬小(xiao)(xiao)時,而電(dian)源(yuan)的(de)(de)(de)(de)壽(shou)(shou)(shou)命(ming)在0.2-3萬小(xiao)(xiao)時,電(dian)源(yuan)的(de)(de)(de)(de)設計與材(cai)料選(xuan)擇會決定電(dian)源(yuan)的(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命(ming)。五、看(kan)光效(xiao):同(tong)樣(yang)的(de)(de)(de)(de)燈(deng)(deng)(deng)(deng)珠功(gong)(gong)(gong)(gong)率(lv),光效(xiao)越高(gao),亮度越高(gao),同(tong)樣(yang)的(de)(de)(de)(de)照明(ming)亮度,耗電(dian)越小(xiao)(xiao),越節(jie)能。六、看(kan)電(dian)源(yuan)效(xiao)率(lv),電(dian)源(yuan)效(xiao)率(lv)越高(gao)越好(hao)(hao)(hao),越高(gao),說(shuo)明(ming)電(dian)源(yuan)本身的(de)(de)(de)(de)功(gong)(gong)(gong)(gong)耗越小(xiao)(xiao),輸出的(de)(de)(de)(de)功(gong)(gong)(gong)(gong)率(lv)越大(da)(da)。七、看(kan)是否(fou)符合安全(quan)標(biao)準,我國LED燈(deng)(deng)(deng)(deng)具(ju)安全(quan)標(biao)準已經出臺,請按(an)國家規(gui)定的(de)(de)(de)(de)安全(quan)標(biao)準選(xuan)擇LED燈(deng)(deng)(deng)(deng)具(ju)。八、看(kan)做工(gong)是否(fou)精細。一個(ge)品(pin)質(zhi)好(hao)(hao)(hao)的(de)(de)(de)(de)LED燈(deng)(deng)(deng)(deng)具(ju),除上面提到的(de)(de)(de)(de)幾個(ge)主(zhu)要方(fang)面外,還要根據(ju)不(bu)同(tong)的(de)(de)(de)(de)使(shi)用(yong)(yong)(yong)環境,有不(bu)同(tong)的(de)(de)(de)(de)技術(shu)要求(qiu),如防(fang)潮、防(fang)塵、防(fang)磁、防(fang)雷擊等。--【OFweek半導體照明(ming)網】 怎樣測量led貼片好壞可(ke)以(yi)用指針式萬用表R*10K電(dian)阻檔(dang)測(ce)量LED貼片燈珠(zhu)的(de)(de)正反(fan)向(xiang)電(dian)阻。測(ce)正向(xiang)電(dian)阻時,燈珠(zhu)會(hui)發出微光。測(ce)反(fan)向(xiang)電(dian)阻時燈珠(zhu)不(bu)會(hui)發光。則可(ke)判斷燈珠(zhu)是(shi)好的(de)(de)。若正反(fan)向(xiang)電(dian)阻值(zhi)都為無窮大,則可(ke)判斷燈珠(zhu)已經斷路損壞(huai)。燈珠(zhu)絕大部分是(shi)斷路損壞(huai)。 以(yi)上就是(shi)小編對(dui)于測(ce)試led貼片燈(deng)珠(貼片led燈(deng)珠功率辨(bian)別)問題和相關問題的解答了(le),希(xi)望對(dui)你有用(yong) |