基于单片机的双轴太阳能跟踪系统的设计

摘要

为了解决太阳能工程项目中光伏效率不高的问题,设计了双轴太阳能跟踪装置,该系统采用视日轨迹跟踪方案.文中着重分析了双轴跟踪的原理及其系统组成,利用光伏元件和STC89C52单片机实现大范围太阳跟踪,液晶显示屏实时显示最佳接收方位角及温湿度.在光线充足的天气条件下,跟踪装置自动旋转并始终保持太阳光垂直照射在太阳能电池的表面.在阴雨天或夜间等光线不足的条件下系统停止跟踪太阳转动.整个系统不需要任何外部电源供电,实现对太阳的高精度跟踪,并且使系统具有较强的抗干扰和运算能力.%In order to solve the low efficiency of solar projects in the photovoltaic,design the solar tracking device of biaxial,which depends on the trajectory tracking scheme using the systern.This paper focuses on the analysis of the principle and system components of the two-axis tracking; a wide range of solar tracking is achieved with a photosensitive element and STC89C52,and LCD display real-time optimal reception of azimuth and temperature and humidity.In sunny weather conditions,surface tracking device rotates automatically and keeps the sun radiating on the solar cell.In the rainy day or night and low-light conditions,the system stops tracking the sun,reducing energy consumption.The system does not require any external power supply.Achieve high-precision tracking of the sun,and the system has a strong anti-interference and computing power.