Patent ID: 8143843
Filing Date: 2012-03-27
Classification: B60K,B60L,B60W,Y02T

Abstract:
1. An electrically-driven vehicle comprising: a charging circuit having a battery which can be charged from an external power supply, which supplies power to a traveling motor during traveling of the vehicle, and which is disconnected from the traveling motor during charging from the external power supply, a charger which is connected to the battery by an electric power line, and a switch which is connected between the charger and the battery by an electric power line; a charger controller which controls the charger; and a battery controller which monitors a battery state, wherein the battery controller is a battery controller which is activated when a voltage signal is input to the battery controller, and comprises: a battery state judging unit which judges, after the battery controller is activated, whether or not the battery state satisfies a chargeable condition; and an activating unit which switches a switch which is connected to the battery controller by a signal line ON when the battery state judging unit judges that the battery state satisfies the chargeable condition, to activate the charger controller which is connected to the battery controller by a signal line, and the charger controller controls the charger such that the battery is charged from the external power supply.