高光电转化效率光伏路砖的研究

Study of Conversion Efficiency of Photovoltaic Bricks with High Photoelectric

针对光伏铺面技术中如何提高光电转化效率问题开展研究。首先,一方面基于凸透镜聚光原理设计了光伏路砖模型,通过增加有效光照面积提升发电效率;另一方面,光伏路砖中基于单片机原理设计了可转动光伏电池板装置,通过增加接收光照直射时长提升发电效率。其次,通过建立数学模型计算结果表明,凸透镜原理的应用使光伏路砖的有效光照面积增加18.82%;基于PVsyst光伏系统仿真软件对光伏路砖发电量的模拟计算,对比了光伏电池板转动和不可转动两种模式的年发电量,可转动装置的应用使模型的单位面积发电量增加14.86%。最后,应用ABAQUS软件搭建了光伏路砖的力学分析模型,找出了模型中危险点并进行分析,依据第一强度理论和第二强度理论,论证了高光电转化效率光伏路砖模型承载设计的可行性。该研究成果,将为光伏路砖光电转换效率的提升提供新的研发思路。

Regarding the problem of how to improve photovoltaic conversion efficiency in photovoltaic pavement technology,firstly,on the one hand,aphotovoltaic brick model is designed based on the convex lens concentrating principle,which improves the power generation efficiency by increasing the effective illumination area;on the other hand,a rotatable photovoltaic panel device is designed based on the principle of single chip microcontroller in the photovoltaic brick,which improves the power generation efficiency by increasing the time of receiving direct illumination.Secondly,through the establishment of mathematical model,the calculation results show that the application of convex lens principle increases the effective illumination area of photovoltaic brick by 18.82%.Based on the simulation calculation of photovoltaic brick power generation by PVsyst photovoltaic system simulation software,the annual power generation of two modes of photovoltaic panel rotation and non-rotation is compared,and the rotatable device is used.The application of the model increases the power generation per unit area by 14.86%.Finally,the mechanical analysis model of photovoltaic brick is built by ABAQUS software,and the dangerous points in the model are identified and analyzed.Based on the first strength theory and the second strength theory,the feasibility of carrying design of photovoltaic brick model with high photovoltaic conversion efficiency is demonstrated.The study results will provide new research and development ideas for improving photovoltaic conversion efficiency of photovoltaic brick.