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Charging device for charging a vehicle accumulator

  • US 10,166,876 B2
  • Filed: 12/15/2011
  • Issued: 01/01/2019
  • Est. Priority Date: 01/14/2011
  • Status: Active Grant
First Claim
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1. A charging device for charging each of a plurality of different types of vehicle accumulators, the charging device comprising:

  • a control unit configured to execute a plurality of different predetermined charge programs corresponding with the plurality of different types of vehicle accumulators, each predetermined charging program being executable by the control unit to control charging of a respective type of vehicle accumulator; and

    an accumulator recognition unit configured to, during connection of a particular type of a vehicle accumulator to the charging device via a communication link;

    receive, from the vehicle accumulator via the communication link, accumulator identification information indicating the particular type of vehicle accumulator connected to the charging device; and

    identify the particular type of vehicle accumulator currently connected to the charging device based on the received accumulator identification information; and

    wherein the control unit is further executable to;

    access, from the vehicle accumulator via the communication link, a particular predetermined charge program corresponding with the particular type of vehicle accumulator identified by the accumulator recognition unit;

    wherein the particular predetermined charge program is transferred to the control unit in cryptographically encrypted form;

    in response to accessing the particular predetermined charge program from the vehicle accumulator in cryptographically encrypted form, automatically request a corresponding key for decryption from a server associated with a manufacturer of the particular type of vehicle accumulator;

    obtain the decryption key from the server associated with the manufacturer of the particular type of vehicle accumulator, and use the decryption key to decrypt the predetermined charge program received from the vehicle accumulator; and

    execute the particular predetermined charge program to control charging of the particular type of vehicle accumulator.

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