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ELECTRIC POWER SUPPLY CONTROLLER FOR VEHICLE

  • US 20150088354A1
  • Filed: 09/17/2014
  • Published: 03/26/2015
  • Est. Priority Date: 09/20/2013
  • Status: Active Grant
First Claim
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1. An electric power supply controller for vehicle, which charges from a charging device to a battery on a vehicle, the controller comprising:

  • a signal line disposed in a connection device which electrically connects the charging device and the battery, and impedance on the signal line being changed corresponding to a connection state and a non-connection state of the connection device;

    a first connection check section which determines the connection state or the non-connection state by monitoring impedance on the signal line while supplying a predetermined first monitor signal to the signal line;

    a second connection check section which determines the connection state or the non-connection state by monitoring impedance on the signal line while supplying a second monitor signal with less electric power than the first monitor signal to the signal line; and

    a choosing section which chooses one of the first connection check section and the second connection check section.

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