基于CIE色度图与PWM的LED照明系统的控制方法
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摘要
传统的LED照明系统控制方法不能满足不同条件下的照明要求,同时在控制效率上也存在着不足。本文提出了一种基于CIE色度图和PWM技术的LED照明系统的控制方法,该方法不仅调控效率高,同时能够使照明系统的光谱、颜色及色温调节到所需要的目标值上,满足不同条件下的照明要求。该方法以CIE所制定的标准文件为参考标准,利于普及与推广。
The traditional LED lighting system control methods can not meet the lighting requirements under different conditions,and there are also shortcomings in control efficiency. This paper proposes a control method for LED lighting system based on CIE chromaticity diagram and PWM technology. This method not only regulates the high efficiency,but also adjusts the spectrum,color and color temperature of the illumination system to the required target value,thereby it can meet lighting requirements under many different conditions. This method uses the standard documents formulated by CIE as the reference standard,which favors popularization and promotion.
The traditional LED lighting system control methods can not meet the lighting requirements under different conditions,and there are also shortcomings in control efficiency. This paper proposes a control method for LED lighting system based on CIE chromaticity diagram and PWM technology. This method not only regulates the high efficiency,but also adjusts the spectrum,color and color temperature of the illumination system to the required target value,thereby it can meet lighting requirements under many different conditions. This method uses the standard documents formulated by CIE as the reference standard,which favors popularization and promotion.
引文
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[2]王启星,徐景宏,张昕昱,等.LED植物补光源光量子通量密度的数据采集系统[J].照明工程学报,2018,29(2):53-59.
[3]赵亚辉,范长江.组合式发光二极管路灯反射器的设计[J].光学学报,2014,5(5):520-524.
[4]王先日,林国庆.发光二极管调光技术介绍[J].电工电气,2011(10):61-62.
[5]高源,董建飞,吴海宁,等.LED混光光源的光谱配比与优化算法[J].中国照明电器,2015(11):15-19.
[6]金宇章,韩秋漪,张善端.三通道六色LED合成高品质白光的模拟和计算[J].照明工程学报,2015,26(2):54-59.
[7]CIE TN 001:2014.Chromaticity Difference Specification for Light Sources.CIE CB,2014.
[8]黄艳,任胜东,陈聪,等.CIE关于光源色差的最新技术注解解读[J].照明工程学报,2013,24(6):42-44.
[9]汤顺青.色度学[M].北京:北京理工大学出版社,1990.
[10]丁娟娟.LED不同占空比对生菜生长、产量、品质及光合特性的影响[D].杨凌:西北农林科技大学,2014.