Patent ID: 8415918
Filing Date: 2013-04-09
Classification: B60L,H01M,H02J,Y02E,Y02T,Y04S

Abstract:
1. A charging system of an electric powered vehicle comprising: an electric powered vehicle mounted with an electric storage device; a charger for charging said electric storage device with an external power source outside said electric powered vehicle; and a charge instructing device for giving an instruction about whether to permit an external charging to said electric storage device by said external power source, based on key information stored in a vehicle key of said electric powered vehicle, said charge instructing device being provided separately from said charger, and arranged in a space where security is ensured comparatively to said charger, said electric powered vehicle including: a first receiving unit for receiving said key information; an authentication unit for generating authentication information by checking said key information received by said first receiving unit against registration information stored in advance; and a first transmitting unit for transmitting the generated authentication information, said charge instructing device including: a key holding unit for holding said vehicle key; a reading unit for reading out said key information from a vehicle key held by said key holding unit; a second transmitting unit for transmitting the read out key information to said electric powered vehicle; a second receiving unit for receiving said authentication information from said first transmitting unit; a determining unit for determining whether to permit said external charging based on said authentication information received by said second receiving unit; and a third transmitting unit for transmitting a determination result by said determining unit to said charger, said charger including: a third receiving unit for receiving said determination result from said third transmitting unit; and a power feeding unit for feeding power from said external power source to said electric powered vehicle connected to the charger via a power line when said external charging is permitted by said determining unit, based on said determination result received by said third receiving unit, wherein said checking and generation, transmission and reception of said authentication information based on said checking are executed also after starting of said external charging, said determining unit cancels the permission of said external charging when said authentication information turns into abnormal during execution of said external charging, and said power feeding unit stops power feeding to said electric powered vehicle from said external power supply when said determining unit cancels said permission of said external charging.