基于MSP430的智能自适应间断光控系统  

Smart adaptive intermittent illumination control system based on MSP430

作　　者：曹沐昀[1] 陈鹏[1] 郑步生[1] 

机构地区：[1]南京航空航天大学电子信息工程学院,江苏南京210016

出　　处：《现代电子技术》2013年第3期162-164,共3页Modern Electronics Technique

摘　　要：为了克服现有补光系统补光时间、补光程度不能调节,全光谱不能被光合作用充分利用的缺点,系统基于MSP430单片机,利用光合作用光反应速率大于暗反应的原理,将持续补光改进为间断补光,避免浪费光反应产物,抑制暗反映;由光敏传感电路检测当前环境光强,以设定占空比进行间断补光至最适宜该植物生长的光强;采用红色∶蓝色为5∶1的高亮LED灯组代替普通补光灯,光谱吸收率高。该系统创新、高效、节能,适合温室、大棚、家庭等广泛应用。In order to overcome the shortcomings of the existing supplementary lighting system that the duration of additional illumination and the degree of additional illumination can not be adjusted, and the entire spectrum can not be fully utilized by photosynthesis, a light control system is designed based on MSP430. Based on the theory that light reaction rate is greater than dark reaction, the system provides different light intensity along with changing surrounding brightness up to the light saturation point. The intermittent light supplement avoids wastage of light reaction product and suppresses dark reaction. Photosensitive sensing circuit detects the light intensity and thus duty cycle ratio is set for intermittent supplementary lighting. The ordinary sup- plementary lights are replaced with highlighting LED light sets in which the ratio of red and blue is 5 to 1. The light sets have high spectrum absorption rate. The system is characterized by innovation, high efficiency and energy saving and is widely ap- plied in greenhouse, plastic houses and houses.

关 键 词：间断 补光 MSP430 光反应 暗反应 节能 

分 类 号：Q945.11[生物学—植物学]