led燈珠3.7 v改裝 |
發布時間:2022-08-29 12:41:29 |
大家(jia)好今天來介紹led燈(deng)珠(zhu)3.7 v改裝(怎么(me)用led燈(deng)珠(zhu)做流光燈(deng))的問題(ti),以(yi)下是小編對(dui)此問題(ti)的歸納整理,來看看吧。 文章目錄列表:
led燈珠怎么改裝直流led燈(deng)珠(zhu)是(shi)(shi)半導體發光元(yuan)件,其本身(shen)就是(shi)(shi)有"整流(liu)"(只用(yong)交(jiao)流(liu)電(dian)(dian)(dian)半周)性(xing)質的,它(ta)有個(ge)正向(xiang)導通,反向(xiang)截止(zhi)的特(te)性(xing),不用(yong)把(ba)它(ta)改(gai)裝成(cheng)"直(zhi)(zhi)流(liu)"。由(you)led燈(deng)珠(zhu)組成(cheng)的燈(deng)板是(shi)(shi)使用(yong)直(zhi)(zhi)流(liu)電(dian)(dian)(dian),它(ta)是(shi)(shi)由(you)配(pei)套的驅(qu)(qu)動器(qi)提供(gong)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)。驅(qu)(qu)動器(qi)是(shi)(shi)把(ba)輸入的220V交(jiao)流(liu)電(dian)(dian)(dian)變換成(cheng)低壓直(zhi)(zhi)流(liu)電(dian)(dian)(dian)的直(zhi)(zhi)流(liu)電(dian)(dian)(dian)源,要把(ba)它(ta)改(gai)用(yong)直(zhi)(zhi)流(liu)供(gong)電(dian)(dian)(dian)(電(dian)(dian)(dian)池、電(dian)(dian)(dian)瓶、適(shi)配(pei)器(qi)等),只須不使用(yong)驅(qu)(qu)動器(qi)改(gai)為燈(deng)板直(zhi)(zhi)流(liu)供(gong)電(dian)(dian)(dian)。 怎樣才能把強光手電上37伏vled改成直流12伏供電需要改裝電(dian)源,加個直流電(dian)源變換器,如電(dian)容泵 我想把37V的燈珠換成40V的可以嗎會更亮一點嗎如果(guo)使用原電(dian)源電(dian)壓(ya)不(bu)(bu)變,把(ba)3.7V燈(deng)珠(zhu)(zhu)(zhu)換(huan)成4.0V的(de)燈(deng)珠(zhu)(zhu)(zhu),不(bu)(bu)但不(bu)(bu)會(hui)更亮(liang)(liang)也許根本不(bu)(bu)會(hui)亮(liang)(liang)。3.7V和(he)4.0V是(shi)燈(deng)珠(zhu)(zhu)(zhu)導通電(dian)壓(ya),不(bu)(bu)達導通電(dian)壓(ya),燈(deng)珠(zhu)(zhu)(zhu)不(bu)(bu)會(hui)工作。決定(ding)燈(deng)亮(liang)(liang)度(du)的(de)是(shi)燈(deng)珠(zhu)(zhu)(zhu)導通后(hou)的(de)工作電(dian)流(liu)大小。導通后(hou),燈(deng)珠(zhu)(zhu)(zhu)電(dian)流(liu)10mA與15mA的(de)亮(liang)(liang)度(du)就相差很大。要提(ti)高(gao)3.7V燈(deng)珠(zhu)(zhu)(zhu)亮(liang)(liang)度(du)可適當增加電(dian)流(liu)。 220伏怎樣改37伏的太陽能LED燈220伏的(de)(de)燈板(ban)上(shang)的(de)(de)led燈珠(zhu)都是(shi)串聯起來的(de)(de),總驅動電壓(ya)(ya)要(yao)(yao)(yao)幾十伏,要(yao)(yao)(yao)改六伏供電就要(yao)(yao)(yao)改變燈珠(zhu)的(de)(de)安(an)裝方式,改為兩串多并(bing)的(de)(de)結(jie)構(單(dan)顆燈珠(zhu)是(shi)3伏的(de)(de),所以要(yao)(yao)(yao)兩串),總結(jie)呢就是(shi)需要(yao)(yao)(yao)把燈板(ban)電路(lu)刮斷,重新用線連接,調整(zheng)連線方式以實現(xian)低壓(ya)(ya)驅動。需要(yao)(yao)(yao)的(de)(de)工具有善于思考的(de)(de)腦袋(dai),靈(ling)巧的(de)(de)雙手(shou),電烙(luo)鐵,焊錫絲(si),助(zhu)焊劑,銅線等。 3w37vled燈珠沒有驅動板直接接一節18650電源能亮嗎能亮,但燈珠(zhu)的(de)(de)電(dian)(dian)流(liu)有800多毫安估計電(dian)(dian)池堅持不了多久,當電(dian)(dian)池電(dian)(dian)壓降低以后燈珠(zhu)的(de)(de)亮度也(ye)會慢(man)慢(man)降低了。led燈珠(zhu)實際上就是發(fa)光二極(ji)管,根據二極(ji)管的(de)(de)伏安特(te)性(xing)曲線可知適宜于恒(heng)流(liu)驅動(dong)。選用恒(heng)流(liu)驅動(dong)器可以保證(zheng)電(dian)(dian)池電(dian)(dian)壓在一定的(de)(de)范圍之內變動(dong)時燈的(de)(de)亮度不發(fa)生變化(hua)。 以上就是(shi)小編對于led燈(deng)珠3.7 v改裝(zhuang)(怎么用(yong)led燈(deng)珠做流光(guang)燈(deng))問題和相關問題的解答了,希(xi)望對你(ni)有用(yong) |