Battery Signal Acquisition And Management System And Software Design And Implementation

The traditional automobile brings the energy crisis and the environmental pollutionquestions are day by day serious, the pure electric automobile’s research receives moreand more takes seriously. And, along with the power battery universal use, the batterymanagement system management system and the research also follows the production.Regarding the electric vehicle, battery’s dump energy is in the electric automobile powerbattery charging and discharging as well as the driving process to the vehicles may thecontinue voyage course judgment important basis. SOC (state-of-charge, indicated thatbattery dump energy condition, namely dump energy accounts for battery aggregatecapacity percentage) is in the electric vehicle movement process the very importantparameter. At present, the survey and the computation lithium battery dump energyuniversal existence measuring process is tedious, the accuracy is bad, to achieve to alithium ion battery’s SOC value more accurate survey and the lithium battery dumpenergy accurate reckoning goal, myself have mainly completed the following work:1) To the89C52RC single-chip microcomputer chip as the core， the ADC0804frequency-field on， through the MAX232send serial data to the battery voltage ofreal-time signal acquisition。2) Using assembly language programming.3) Joint commissioningThe technology can realize real-time collection of battery voltage， through thecontrol acquisition time interval， for battery state of the real-time monitoring。 Thisdesign through the massive studies and the experiment, has realized the hardware andthe software as well as the computation good union, might the continue voyage courseprovide a more accurate basis for the pure electric automobile lithium ion battery’sdump energy’s determination and the vehicles, had strong operational and the practicalapplication significance.