Control device for electric vehicle batteries

摘要

During the use of electric vehicles, it is important to know the exact remaining battery capacity i.e. life. This control process provides that information and also evens out the loading across the batteries of which vehicle multi-battery systems are comprised, thereby both extending and evaluating battery life.It comprises a group of detectors (11, 14, 16-22, 23-29, 30-36) for detecting the multi-battery condition which monitors current and voltage of each battery and the expected duration of the system. It also has a calculator (50-52, 58-79) for calculating the loading and discharge of the battery in the light of its condition, and a control for maintaining a uniform loading. This is dependent on the calculations received and comparison with the normal values for load current and load time.