Vehicle mounted battery management system control method
A technology of a management system and a control method, which is applied in the field of vehicle battery management system control based on a real-time operating system, can solve the problems of low monitoring efficiency and weak anti-interference ability of the battery management system, and achieve real-time data collection and real-time The effect of improving and succinct structure
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[0026] The overall structure of the battery management system of the present invention is as follows: figure 1 As shown, it includes a central processing unit, a load voltage acquisition module, a total voltage acquisition module, a module voltage acquisition module, a current acquisition module, a temperature acquisition and fan control module, a time acquisition module, a CAN bus communication module, and a contactor control module. The output of the load voltage and temperature acquisition module is connected to the AD port of the central processor. The total voltage acquisition module, the current acquisition module, and the module voltage acquisition module are connected to the SPI port of the central processor after passing through the ADE7753 analog-to-digital conversion chip. Control the cooling fan work and the on-off of the positive contactor, negative contactor and pre-charging contactor of the high-voltage system. The time acquisition module uses the IIC bus to comm...
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