led燈珠 干電池 led燈珠可以直接接干電池上嗎 |
發布時間:2022-10-30 11:08:47 |
大(da)家好我是天成照明LED燈珠(zhu)廠(chang)家小編燈漂亮(liang)今天我們來(lai)介紹led燈珠(zhu)可以(yi)直接接到(dao)干電池上嗎(ma) 干電池怎(zen)么接亮(liang)一個led燈珠(zhu)的問題,以(yi)下就是燈漂亮(liang)對此問題和相關問題的歸納整(zheng)理,一起來(lai)看看吧。 文章目錄導航: led燈珠可以直接接到干電池上嗎 大功率(lv)led燈珠可以(yi)(yi)自(zi)制手電(dian)(dian)(dian)(dian),直接連接在(zai)電(dian)(dian)(dian)(dian)池上不(bu)(bu)可以(yi)(yi),它的電(dian)(dian)(dian)(dian)壓3.2v-3.4v,電(dian)(dian)(dian)(dian)流0.3A,不(bu)(bu)過有0.1A也(ye)可以(yi)(yi)正常(chang)發(fa)光,最好使用(yong)手機電(dian)(dian)(dian)(dian)池3.7v串聯一個10歐(ou)(1w)電(dian)(dian)(dian)(dian)阻就(jiu)可以(yi)(yi)直接接燈珠了,如果找不(bu)(bu)到電(dian)(dian)(dian)(dian)阻或者安裝不(bu)(bu)方便,可以(yi)(yi)用(yong)300w以(yi)(yi)上電(dian)(dian)(dian)(dian)爐絲截取(qu)10歐(ou)代替,只要電(dian)(dian)(dian)(dian)路連接正確就(jiu)ok led燈珠可以直接接干電池上嗎 都串接(jie)個限(xian)流電阻,Led燈(deng)珠(zhu)才(cai)能(neng)接(jie)到干(gan)電池上(shang)。 led燈珠用干電池測量怎么不亮 如(ru)果(guo)連接后不亮(liang),可能是(shi)LED燈(deng)壞掉,也可能是(shi)輸入電(dian)壓有問題。 LED燈(deng)其實就是(shi)一個(ge)發光二極(ji)管(guan),二極(ji)管(guan)具有(you)單向導電性。 用萬用表測(ce)量二極管是否導通,測(ce)量出正負極,接入直流電,正極接正極負極接負極,接入的(de)(de)直流電伏(fu)數不能超出二極管的(de)(de)耐壓值(zhi),否則容易燒掉。 這是(shi)正確的接法(fa)。如果連接后(hou)不亮(liang),可能(neng)是(shi)LED燈(deng)壞掉,也可能(neng)是(shi)輸入電壓(ya)有問題。 LED燈干電池點亮急 原則上可(ke)以,但可(ke)能要(yao)對原電(dian)路做適當(dang)改動:充電(dian)LED臺(tai)燈(deng)多用4V的蓄(xu)電(dian)池供(gong)(gong)電(dian),普通白(bai)光(guang)LED的工作(zuo)電(dian)壓約為2.5-3.2V。4V蓄(xu)電(dian)池經電(dian)阻降壓限流給(gei)幾十只(zhi)并聯的LED供(gong)(gong)電(dian)(每只(zhi)LED工作(zuo)電(dian)流約為5-10mA)。 可(ke)(ke)先用(yong)(yong)兩節(jie)1.5V 干電(dian)(dian)池(chi)(chi)串聯代(dai)替原蓄(xu)電(dian)(dian)池(chi)(chi)(注意正負極),如(ru)發光(guang)很暗(an),可(ke)(ke)在原電(dian)(dian)阻上(shang)并聯適當阻值的電(dian)(dian)阻,如(ru)亮度(du)調不(bu)上(shang)去(因普通干電(dian)(dian)池(chi)(chi)內阻較大),可(ke)(ke)去掉并聯的電(dian)(dian)阻,然后(hou)再加一(yi)節(jie)電(dian)(dian)池(chi)(chi)用(yong)(yong)4.5V供電(dian)(dian)使發光(guang)管亮度(du)合適且(qie)單(dan)只工作電(dian)(dian)流不(bu)超過(guo)10mA太多(電(dian)(dian)流過(guo)大容易使LED加速老(lao)化)。個人認為,最(zui)好買一(yi)節(jie)同規格蓄(xu)電(dian)(dian)池(chi)(chi)或用(yong)(yong)三節(jie)鎳氫電(dian)(dian)池(chi)(chi)串聯(電(dian)(dian)壓約(yue)為3.6V以上(shang))代(dai)換,保持原有的充電(dian)(dian)功能,這樣使用(yong)(yong)較為節(jie)省(sheng)。 32v鋰電池可以點亮LED燈珠嗎 當然(ran)可以(yi)(yi)了,led燈珠(zhu)(zhu)很多額定電(dian)(dian)壓(ya)是3.2伏(fu)左右,用兩(liang)節干(gan)電(dian)(dian)池基本上(shang)就(jiu)可以(yi)(yi)了。還有各(ge)種各(ge)樣的(de)鋰電(dian)(dian)池也是可以(yi)(yi)給led燈珠(zhu)(zhu)供電(dian)(dian)的(de)。led燈珠(zhu)(zhu)還可以(yi)(yi)通(tong)過串聯并聯形成燈板那么(me)還能(neng)用電(dian)(dian)壓(ya)較高的(de)電(dian)(dian)池給它(ta)供電(dian)(dian)。led燈珠(zhu)(zhu)本質上(shang)就(jiu)是發光二極管,因(yin)此只能(neng)用直流(liu)電(dian)(dian)供電(dian)(dian)。 以上就是天成小編對于led燈(deng)珠可以直接(jie)接(jie)到干電(dian)池(chi)上嗎 干電(dian)池(chi)怎(zen)么(me)接(jie)亮一個(ge)led燈(deng)珠問題和相(xiang)關問題的解(jie)答(da)了,希望對你有用(yong) 【責任編輯:燈(deng)漂(piao)亮】 |