用于生态环境微传感节点的光电能量转换系统设计

设计了一种用于森林生态环境传感节点的光电转换系统,以MSP430作为主要控制器件,设计双轴跟踪实现位置控制,并通过GPS模块进行辅助控制;采用遮光技术,提高传感器的量程;通过遮光板,采用阴影法增大传感器的测量差值,提高控制精度;采用最大功率点跟踪方法对锂电池充电,并通过电源管理模块对电能进行合理分配,提高利用率。实验结果表明：设计的控制系统能够实现光自动跟踪,提高了光伏的转换率,实现传感节点的无间断工作,具有较高的应用价值。

Design of photoelectric energy conversion system for ecological environment micro sensing node

A photoelectric conversion system for forest ecological environment sensing nodes is studied,using MSP430 as main control device,design two-axis tracking to realize position control,and use GPS module to realize auxiliary control; use shading technology to improve range of sensor; through mask,using method of shadow to increase measurement difference of sensor,improve control precision; by adopting method of maximum power point tracking for lithium battery charging,and through power management module distribute power resonably,improve utilization rate.Experimental results show that the designed control system can realize automatic tracking of light,improve photovoltaic conversion rate,realize uninterrupted work of sensor nodes,which has higher application value.