Power battery temperature prediction system and method
A prediction system and power battery technology, applied in battery/fuel cell control devices, measuring electricity, electric vehicles, etc.
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[0045] The purpose of the present invention is to provide a power battery temperature prediction system and method for predicting temperature changes caused by changes in heat and electrical energy during the charging and discharging process of the power battery module.
[0046] A power battery temperature prediction system. The system includes an acquisition module and a temperature prediction module communicatively connected with the acquisition module. The sampling chip in the acquisition module combines the maximum battery temperature T collected by the voltage detection circuit, current sensor, and temperature sensor. max , The lowest battery temperature T min And the current value I, input to the temperature prediction module; the arithmetic chip of the temperature prediction module calculates the internal resistance R and the reaction heat coefficient k according to the real-time temperature and SOC, as the input of the temperature prediction equation to predict the battery ...
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