Patent ID: 9187000
Filing Date: 2015-11-17
Classification: B60L,H02J,Y02T

Abstract:
1. A battery pack, comprising: plural battery banks each including plural battery cells, which are connected in parallel with each other; a battery management system configured to detect currents flowing in the battery banks, and voltages and temperatures of the plural battery cells; a first charging/discharging terminal connected to positive electrode terminals of the plural battery banks; a second charging/discharging terminal connected to negative electrode terminals of the plural battery banks; plural first charging terminals connected to the positive electrode terminals of the plural battery banks, respectively; a second charging terminal connected to the negative electrode terminals of the plural battery banks; main contactors configured to switch the connection between the positive electrode terminals of the plural battery banks and the first charging/discharging terminal, and the connection between the positive electrode terminals of the plural battery banks and the second charging/discharging terminal; sub-contactors configured to switch the connection between the positive electrode terminals of the plural battery banks and the first charging/discharging terminal, respectively; and charging sub-contactors configured to switch the connection between the positive electrode terminals of the plural battery banks and the first charging terminal, and the connection between the negative electrode terminals of the plural battery banks and the second charging terminals, respectively.