Overall block diagram of virtual min-controlled sealed lead-acid battery testing system

The virtual valve-regulated lead-acid battery test system initializes and controls the hardware through application software, and provides a simple interface and data transmission for the monitoring software. The display and management software provides a fully functional graphical interface and can perform virtual valve-controlled lead-acid battery testing. The setting of working control parameters of the acid battery testing system and the data collected from the application software provide various display analysis functions such as charts and curves and historical data management functions. The data acquisition card in the virtual valve-regulated lead-acid battery testing system is the system The data acquisition and storage unit, the data transmission between it and the microcontroller is realized through the USB interface. The following figure is the flow chart of the USB control endpoint read and write circuit. The flow chart of the data sampling circuit: