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为了解决农业生产过程中水资源短缺的问题,提出利用光生伏打效应,结合太阳能跟踪控制技术、最大功率点跟踪技术,介绍了一种自动跟踪型独立式光伏扬水系统。基于光电跟踪原理,光敏电阻阵列检测太阳光信号以实现太阳能自动跟踪;基于超声波测距原理,超声波信号收发器检测水位信号以实现水位跟踪;两组检测信号经过调理电路后,送入以STM32F103ZET6 MCU为控制核的控制器,其通过运行程序分别产生电机控制的PWM信号及蓄能切换开关信号,从而实现对太阳精确跟踪及太阳能的智能化应用。
In order to solve the problem of water shortage in agricultural production, a photovoltaic tracking system based on solar photovoltaic tracking control technology and maximum power point tracking is proposed. Based on the photoelectric tracking principle, the photosensitive resistor array detects the solar signal to realize the solar automatic tracking. Based on the principle of ultrasonic ranging, the ultrasonic signal transceiver detects the water level signal to realize the water level tracking. After the two detection signals are conditioned, the signal is sent to the STM32F103ZET6 MCU To control the nuclear controller, it generates motor control PWM signal and energy storage switch signal respectively by running the program, so as to realize accurate tracking of the sun and intelligent application of solar energy.