大(da)家好今天來介紹(shao)led1w燈(deng)珠的(de)電流,led燈(deng)珠電壓電流的(de)計算的(de)問題，以下是小編對此問題的(de)歸納整理，來看看吧。

需要說明一下白光還是其它單色光.

白光(guang)的(de)電(dian)壓(ya)一(yi)般(ban)為3-3.5V,電(dian)流的(de)話0.32A左右(you),紅(hong)色的(de)電(dian)壓(ya)在2V左右(you),電(dian)流可(ke)以(yi)稍大(da)些,但常以(yi)0.32A左右(you)推(tui)動,這樣它(ta)的(de)功率(lv)就不足1W,這個用(yong)法同它(ta)的(de)發光(guang)效率(lv)低些有關,若加(jia)大(da)電(dian)流的(de)話,產(chan)生的(de)熱會較多,若溫度超出芯片與熒光(guang)的(de)可(ke)靠范圍會影響壽(shou)命..

蘭光基本(ben)同白(bai)光,綠(lv)色電壓稍高(gao)于白(bai)光.

電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)并(bing)聯(lian)(lian)(lian)增(zeng)倍(bei)(bei)，串(chuan)聯(lian)(lian)(lian)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)增(zeng)倍(bei)(bei)具體值按倍(bei)(bei)數(shu)計算(suan)。 例(li)如(ru)：一(yi)只LED 工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)為(wei)3.2V 20MA，二個(ge)并(bing)聯(lian)(lian)(lian)工作(zuo)所需(xu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)為(wei)40MA，電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)不(bu)變(bian)。 串(chuan)聯(lian)(lian)(lian)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)、電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)(de)關(guan)(guan)系(xi)(xi)和并(bing)聯(lian)(lian)(lian)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)(de)關(guan)(guan)系(xi)(xi)分別如(ru)下： 1.串(chuan)聯(lian)(lian)(lian)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)、電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)(de)關(guan)(guan)系(xi)(xi)：串(chuan)聯(lian)(lian)(lian)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)處(chu)處(chu)相等，電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)倍(bei)(bei)減。如(ru)一(yi)只LED 工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)為(wei) 3.2V 5A，兩(liang)只串(chuan)聯(lian)(lian)(lian)后電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)仍(reng)為(wei)5A，而電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)會下降6.4V。 所以(yi)(yi)2只LED燈串(chuan)聯(lian)(lian)(lian)后會看到燈點不(bu)亮，是(shi)因為(wei)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)下降了。 2.并(bing)聯(lian)(lian)(lian)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)、電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)(de)關(guan)(guan)系(xi)(xi)：并(bing)聯(lian)(lian)(lian)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)不(bu)變(bian)，電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)倍(bei)(bei)增(zeng)。如(ru)一(yi)只LED 工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)為(wei) 3.2V 5A，兩(liang)只并(bing)聯(lian)(lian)(lian)后電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)為(wei)10A，而電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)上(shang)(shang)(shang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)仍(reng)為(wei)3.2V。 “使用的(de)(de)時候(hou)用并(bing)聯(lian)(lian)(lian)的(de)(de)接口(kou)12V，充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)時候(hou)用串(chuan)聯(lian)(lian)(lian)的(de)(de)接口(kou)48V”，這個(ge)想法是(shi)可以(yi)(yi)的(de)(de)，但實際接線會較復(fu)雜，并(bing)且需(xu)要一(yi)個(ge)復(fu)雜的(de)(de)多位換向開(kai)關(guan)(guan)用來轉換充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)和使用狀態(tai)。

LED燈珠(zhu)是(shi)個“非線性器(qi)件(jian)”，其(qi)兩端正(zheng)向電(dian)壓(ya)(ya)小于導通(tong)電(dian)壓(ya)(ya)時(shi)，幾(ji)乎沒(mei)有(you)電(dian)流(liu)(liu)(liu)通(tong)過，一旦所加(jia)正(zheng)向電(dian)壓(ya)(ya)達到導通(tong)電(dian)壓(ya)(ya)，流(liu)(liu)(liu)過其(qi)電(dian)流(liu)(liu)(liu)迅(xun)速增(zeng)加(jia)，且電(dian)流(liu)(liu)(liu)與所加(jia)電(dian)壓(ya)(ya)不成(cheng)正(zheng)比，導通(tong)時(shi)兩端電(dian)壓(ya)(ya)差不多(duo)不隨流(liu)(liu)(liu)過電(dian)流(liu)(liu)(liu)變(bian)化而(er)變(bian)化，所以(yi)需要(yao)使用“限(xian)流(liu)(liu)(liu)電(dian)阻”，以(yi)限(xian)制其(qi)工(gong)作(zuo)電(dian)流(liu)(liu)(liu)，具體某(mou)一型號的(de)(de)LED的(de)(de)電(dian)壓(ya)(ya)和電(dian)流(liu)(liu)(liu)的(de)(de)關系(xi)可以(yi)查(cha)該型號的(de)(de)相關特(te)性曲(qu)線。

你(ni)的led是(shi)一株(zhu)(zhu)5w 的嗎，還是(shi)幾株(zhu)(zhu)的，一株(zhu)(zhu)的工作電(dian)壓是(shi)3,5v左右，電(dian)流1,4安(an)，可以(yi)把電(dian)源(yuan)電(dian)壓調到(dao)3,5伏，或3,4v。

拓展光電就(jiu)是一個非(fei)常好的廠家，很喜歡。

這(zhe)(zhe)個(ge)問題不(bu)是很(hen)清楚，你(ni)還是上網找找廠(chang)家問問吧，這(zhe)(zhe)個(ge)問題有點專業了，給(gei)你(ni)推薦一個(ge)叫拓芯(xin)科(ke)技(ji)的廠(chang)家，其實還是很(hen)不(bu)錯的。

以上(shang)就(jiu)是(shi)小編對于led1w燈珠的(de)電流,led燈珠電壓(ya)電流的(de)計算問(wen)(wen)題和相關(guan)問(wen)(wen)題的(de)解答了，希望(wang)對你有用