紧凑型光管色彩混合系统研究  

Research on a compact light pipe color mixing system

作　　者：陈建锋 丁召 杨晨 CHEN Jianfeng;DING Zhao;YANG Chen(College of Big Data and Information Engineering,Guizhou University,Guiyang 550025,China)

机构地区：[1]贵州大学大数据与信息工程学院,贵阳550025

出　　处：《智能计算机与应用》2023年第12期46-48,55,共4页Intelligent Computer and Applications

基　　金：国家自然科学基金(61604046);贵州大学人基合(2012)。

摘　　要：本文设计了一种色彩混合系统,由上位机控制程序、基于ARM架构的STM32单片机、导光管和红绿蓝三色LED构成。模型设置方形导光管结构以混合红绿蓝三色光强;软件基于上位机控制程序开发单片机的PWM输出程序和用户图像页面以驱动LEDs;优化基于蒙特卡洛射线追迹法对光管的长度进行优化,以实现良好的光照均匀性。实验中将各部件进行有机结合,并对其混色性能和光照均匀性进行测试。结果表明,该系统具有出色的混色能力并具有良好的光照均匀性。This paper presents the design of a color mixing system composed of a host computer control program,an ARM-based STM32 microcontroller,light guides,and red-green-blue(RGB)LED lights.In the hardware aspect,a square light guide structure is implemented to mix the intensities of red,green,and blue light.In the software aspect,the microcontroller's PWM output program and GUI are developed based on the host computer control program to drive the LEDs.In terms of optimization,the length of the light guide is optimized using the Monte Carlo ray tracing method to achieve uniform illumination.In the experiment,various components are organically combined,and their color-mixing performance and illumination uniformity are tested.The results show that the proposed system has excellent color mixing capabilities and good illumination uniformity.

关 键 词：导光管 混色 均匀性 

分 类 号：TM923.4[电气工程—电力电子与电力传动]