Intelligent direct-current position-sensing-free photovoltaic pump driving controller

The utility model discloses an intelligent direct-current position-sensing-free photovoltaic pump driving controller with capabilities of realizing power management and functional integration. The system has intelligent characteristics and a very perfect and reliable power management function and has the functions of preferentially utilizing a photovoltaic power supply to the greatest degree, preventing power supply dislocation and performing polarity reversed protection. Another characteristic is that the control and protection functions are integrated, and the system has the characteristics of stability, reliability, safety and high efficiency. According to the system, a high-performance 32-bit embedded microcontroller is selected and is used for control and management of the system, complex functions are realized, and a direct-current position-sensing-free photovoltaic pumping system is subjected to comprehensive management and safety protection.