博客来棋牌

灯具光源发光强度和光通量之间的关系

<p>博客来棋牌BIWEIZHAOMING ZIXUNREXIAN0571-85454307</p>

灯具光源发光强度和光通量之间的关系

灯具光源发光强度和光通量之间的关系  

DIANGUANGYUANDEGUANGTONGLIANGHEFAGUANGLIANGQIANGDUZHIJIANDEGUANXIYIYOUSHI(3.7)HESHI(3.8)JICHU。DUIGEXIANGFAGUANGBUJUNYUNDEDIANGUANGYUAN,YOUdφ=Idω,,SHIZHONGFAGUANGQIANGDUISHIKONGJIANFANGWEIJIAOiHEφDEHANSHU。ZONGGUANGTONGLIANGWEI

image

博客来棋牌GEXIANGJUNYUNFAGUANGDEDIANGUANGYUANZAILITIJIAOωNEIDEZONGGUANGTONGLIANGWEI

image

SHIZHONG,IoSHIPINGJUNFAGUANGQIANGDU。FAXIANGSIZHOUZHENGGEKONGJIANDEZONGGUANGTONGLIANGWEI

image

博客来棋牌BAPINGMIANKONGJINGJIAOaHELITIJIAOTIANDEHUANSUANGUANXISHI(3 . 5)DAIRENSHI(3 . 10),KEDEGEXIANGJUNYUNFAGUANGDEDIANGUANGYUANZAIKONGJINGJIAOaFANWEINEIFACHUDEGUANGTONGLIANGWEI

image

JIGUANGTONGLIANGZHENGBIYUFAGUANGQIANGDUIoHEKONGJINGJIAOa/2ZHENGXIANDEPINGFANG。

博客来棋牌[LI3.1]YIQIYONG6V , 15WWUSIDENGPAO,YIZHIQIFAGUANGXIAOLVWEI14lm/W,GAIDENGPAOHEYIJUGUANGJINGLIANYONG,DENGSIZHONGXINDUIJUGUANGJINGSUOZHANGDEKONGJINGJIAOu≈Sina=0.25。RUOBADENGSIKANCHENGSHIGEXIANGJUNYUNFAGUANGDEDIANGUANGYUAN,QIUDENGPAODEZONGGUANGTONGLIANGHEJINRENJUGUANGJINGDEGUANGTONGLIANG。

JIE:QIUZONGGUANGTONGLIANGφ=14lm/W*15W=210lm

YOUSHI(3.5)KEQIUCHUDENGSIDUIJUGUANGJINGSUOZHANGDELITIJIAOZHIZHANZHENGGEKONGJIANLITIJIAO4πDE1.6%,GUJINRUJUGUANGJINGDEGUANGTONGLIANGWEI:210*0.016=3.4lm

本题也可用光强度采求解:image

博客来棋牌ZAIYOUSHI(3.12)QIUDEJINRENJUGUANGJINGDEGUANGTONGLIANGWEI3.4lm。

各种光源辐射的光通量参考值见表3一2,包含了常见的LED灯管LED日光灯LED工矿灯LED路灯等,激光器的辐通量(功率)以瓦特为单位。

表3一2各种光源辐射的光通量参考值

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