【作者】 张重雄； 和珊； 王磊；

【Author】 Zhang Chongxiong He Shan Wang Lei (School of Electronic Engineering and Optoelectronic Techniques,Nanjing University of Science and Technology,Nanjing,210094, China)

【机构】 南京理工大学电子工程与光电技术学院；

【摘要】 研究和分析了目前国内外太阳能追踪技术的发展现状,在此基础上提出一种基于虚拟仪器的自动跟踪系统。系统以LabVIEW为核心,结合PCI-6251数据采集卡设计了一种太阳自动跟踪系统一混合跟踪,即有效的结合视日运动轨迹跟踪和光电跟踪两种跟踪方式,完成自动跟踪、晴天阴天判断、经纬度设置、开关机时间设置、手动调节、电机保护、光强显示及夜间复位等功能。系统的软件和硬件采用模块化的设计思想,采用图形化编程语言编写控制程序,最后软硬件联合调试,完成了系统的设计并研制出相应可靠稳定运行的样机。实验表明,本系统可进行各种条件下的太阳跟踪系统的现场实验并且大大提高了太阳的利用率。更多还原

【Abstract】 After studying and analyzing the current developing situation of the sun tracking technology,a new kind of sun tracking solution based on virtual instrument is developed.This paper introduces one kind of automatic tracking system of sun,which effectively combined the sun angle tracking and photoelectric tracking.The functions of automatic tracking,sunny or cloudy judging,the latitude and longitude settings,boot and shutdown time settings,manual adjustment,motor protection,light intensity display,automatic return system at night and etc,are implemented using LabVlEW and DAQ card PCI-6251.Software and hardware of the system adopt the design idea of modularity and use the graphic programming language to write control program.After the hardware and software joint debugging,design of the system is completed and finally automatic sun trackers running reliably are developed.Experiment results prove that this system can complete field experiment of solar tracking under different conditions and raised the utilization efficiency of solar energy.更多还原