CPC H01M 10/425 (2013.01) [B60L 50/50 (2019.02); H01M 10/42 (2013.01); H01M 10/48 (2013.01); H01M 10/482 (2013.01); H01M 10/486 (2013.01); B60L 3/12 (2013.01); B60L 2240/54 (2013.01); B60L 2240/80 (2013.01); H01M 2010/4271 (2013.01); H01M 2010/4278 (2013.01); H01M 2220/20 (2013.01); H02J 7/0018 (2013.01); H02J 13/00022 (2020.01)] | 11 Claims |
1. A battery pack management device including a battery pack having a battery module including a plurality of secondary batteries and mountable on a vehicle, the battery pack management device comprising:
a master battery management system (BMS) including an external communication unit configured to transmit and receive a signal to and from an external device of the battery pack, an internal communication unit configured to transmit and receive a wireless communication signal to and from one or more slave BMSs provided in the battery pack, and a control unit programmed to process data received through the external communication unit and the internal communication unit; and
a slave BMS including a power supply module configured to receive power from the battery module and transmit the received power, a state measurement module configured to measure state information of at least one of a voltage and a temperature of the battery module, a wireless communication module configured to transmit and receive a wireless communication signal to and from the master BMS, and a control module configured to control an on/off time of the wireless communication module,
wherein the control module is programmed to control the on/off time of the wireless communication module according to at least one selected from a parking time of the vehicle, a voltage of the battery module that is measured by the state measurement module, a temperature of the battery module that is measured by the state measurement module or a traveling time pattern of the vehicle.
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