基于多通道实时动态反馈的LED智能照明系统

与传统照明相比, 采用发光二极管(LED)作为光源的智能照明更高效、舒适和环保, 对环境数据的实时采集与动态反馈是研究LED智能照明系统的重点。基于模块化设计思路, 提出了一种集成化LED智能照明系统, 从理论上建立了环境参数、人体舒适度指数及照明光源输出参数三者之间的映射关系。利用多通道集成模块实时监测环境参数变化, 自动调节光源的光学性能以满足人体舒适度的要求。搭建的系统能够同步采集并反馈空间环境中的声音、温度、湿度、照度, 通过实时分析光源的光通量、色温、光谱和显色指数变化, 验证了所搭建系统的有效性。该系统达到了自动控制与绿色照明的协同融合, 是一种易于推广、低成本的人性化照明控制系统, 在照明和显示领域具有广阔的应用前景。

Abstract

Compared with the traditional lighting, intelligent lighting systems which use light emitting diode (LED) as the light source are efficient, comfortable and environmentally friendly. Real-time acquisition and dynamic feedback for environmental data are the research focus for LED intelligent lighting systems. Based on the modular design mentality, an integrated LED intelligent lighting system is proposed, and the mapping relationship among environmental parameters, human comfort index and output parameters of light source is established. The multi-channel integrated module is used to monitor the change of environmental parameters in real time, and the optical properties of the light source can be adjusted automatically to satisfy the requirement of human comfort. The established system can synchronously collect and feed back the sound, temperature, humidity and illumination in the space environment. By analyzing the changes of luminous flux, color temperature, spectrum and color rendering index in real time, we demonstrate the validity of the established system. The proposed system achieves the synergy fusion of automatic control and green lighting, and it is a kind of generalized, low-cost and humanized lighting control system. The system will has a broad application prospect in the field of lighting and display.

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