Charging system of electric vehicle and method for charging electric vehicle

摘要

A charging system of an electric vehicle and a method for charging the electric vehicle are described in the present invention. The system uses a smart card for battery management when charging a battery. Furthermore, the system can prevent the battery or the electric vehicle from being stolen. Compared to existing charging systems for electric vehicles, the present invention can save more cost for users and provide safety mechanism for battery or electric vehicle.

主权项

1. A charging system of an electric vehicle, comprising:
a smart cardmemory device having a user identification (UID) for identifying a user of the electric vehicle; a first rechargeable battery having first battery information and stored with the UID while installed in the electric vehicle, for providing electric power to the electric vehicle; a second rechargeable battery having second battery information and stored with the UID while the first rechargeable battery in low battery is replaced with the second rechargeable battery; and a charging station, comprising:
a controlling module for confirming that the first rechargeable battery is stored with the UID and then allowing replacement of the first rechargeable battery with the second rechargeable battery;an updating unit for writing the UID to the second rechargeable battery while the first rechargeable battery is replaced with the second rechargeable battery; anda charging set for charging the first and second rechargeable batteries.