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BMS) Electric vehicle battery management system-a full set of design data

Release time:2020/8/4 14:32:25

(BMS) Electric vehicle battery management system-a full set of design data for the main control board and the inspection board

As one of the core components of electric vehicles, the battery management system is a key technology to solve the safety problems, long-term use problems, and energy management problems of electric vehicle power batteries. A simple battery management system was developed and realized by analyzing the related characteristics of the commonly used power battery-lithium ion battery and combining the related situation of electric vehicle batteries. Through this system, basic information such as voltage, current and temperature of the battery pack of electric vehicles can be measured, and through this information, the open circuit voltage method and the ampere-hour integration method are used to estimate the remaining power of the electric vehicle and give Limit reference value alarm, and at the same time, provide interactive mode for user parameter setting.

Combined with the functional requirements of the system, the distributed structure of the battery management system was studied, and the main control board-inspection board dual board system was designed. The basic battery information detection circuit of the patrol board is designed, the data is sampled by the single-chip microcomputer used in automotive electronics, and the residual power estimation program is designed, and the processing information is transmitted through the bus. The main control board is designed for user interaction (display information, setting parameters, alarm prompts) and bus communication.

The functions of BMS include:


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