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Charging control device and charging control method

  • US 8,504,227 B2
  • Filed: 11/14/2008
  • Issued: 08/06/2013
  • Est. Priority Date: 11/30/2007
  • Status: Active Grant
First Claim
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1. A charging control device for independently controlling charging of power storage devices in a plurality of vehicles, respectively, each having said power storage device mounted thereon, from an external power supply, comprising:

  • an electronic control unit having control logic configured to;

    detect a state of charge of each of said power storage devices after each vehicle and said external power supply are coupled to each other;

    detect an expected amount of power consumption for each of said plurality of vehicles by determining a required amount of power for a boarding of a vehicle of the plurality of vehicles based on information about a vehicle fuel efficiency and information about a running distance transmitted from the vehicle;

    calculate a required amount of power to be charged for each vehicle based on the detected state of charge and the expected amount of power consumption;

    detect a time to start use of each vehicle;

    determine a charging schedule of a charging time period and an amount of power to be charged for each vehicle based on said required amount of power to be charged and said time to start use;

    control charging of the power storage device mounted on said vehicle according to said charging schedule;

    to calculate charge efficiency of each of said power storage devices; and

    set said charging schedule further based on said charge efficiency by giving a vehicle having a low charge efficiency a lower priority of charging.

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