POWER MANAGEMENT IN ELECTRIC VEHICLES

摘要

Various techniques described herein relate to electric vehicle power management system for managing a plurality of battery modules in a battery pack. Such electric vehicle power management system may include a plurality of battery management systems corresponding to a plurality of battery modules, and an energy management system for managing the plurality of battery management systems. The energy management system and the plurality of battery management systems may adopt master-slave wireless communication, and may use a single wireless frequency channel or a plurality of assigned wireless frequency channels.

主权项

1. An electric vehicle power management system for managing a plurality of battery modules, the electric vehicle power management system comprising:
a plurality of battery management systems; and an energy management system comprising an energy management processor and an energy management communication module, wherein the energy management system is operatively connected to each battery management system via a unique wireless channel and is configured to:
select a first wireless channel from a plurality of wireless channels, the selected first wireless channel corresponding to a unique wireless channel of a first selected battery management system; andtransmit a first command to the first selected battery management system using the selected first wireless channel; and, wherein each of the plurality of battery management systems is configured to:
receive commands from the energy management system transmitted via its respective unique wireless frequency channel; andupon receiving a command from the energy management system transmitted via its respective unique wireless frequency channel, process and respond to the received command.