【摘要】 水下相机对海洋生物科学研究有重要意义,其控制系统的设计关键在于光源控制方案以及电源效率的提高;提出并实现了一种基于低功耗微控制器、高亮LED光源以及LED控制驱动器MAX16802B的水下相机控制系统,详细介绍了系统组成,并给出了基于低功耗策略的硬件和软件优化设计方案;实验结果表明,该设计方案电路结构简单,稳定性好,电源效率达75%以上,能够满足长时间水下拍摄工作;在实际海下测试中,按20分钟的拍摄间隔需求,水下相机可连续工作2个月以上。更多还原

【Abstract】 Underwater camera has important significance on the marine bioscience research.The light source and power efficiency are crucial to underwater camera.This paper presents a solution of underwater camera control system,which is based on LED,low-power microprocessor,and LED control driver MAX16802B.The System composition and optimized design scheme of hardware and software are described in detail.The experimental results indicate that the system has well stability and its power efficiency reaches 75% or above.This system meets the requirement of long time successive underwater shooting.In practical undersea test,this underwater camera system can work continuously for two months or more with 20 minutes shooting interval.更多还原