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Non-contact power supply system

  • US 10,005,369 B2
  • Filed: 03/24/2014
  • Issued: 06/26/2018
  • Est. Priority Date: 03/29/2013
  • Status: Active Grant
First Claim
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1. A non-contact power supply system that supplies power between a power reception coil that is provided to a vehicle and a power transmission coil that is provided to a power supply device in a non-contact manner by means of at least a magnetic coupling, the non-contact power supply system comprisingthe vehicle comprisinga transmitter configured to transmit a startup signal that activates the power supply device by wireless communication from the vehicle to the power supply device;

  • andthe power supply device comprisinga receiver configured to receive the startup signal;

    a controller configured to control the power supply device, based on the startup signal received by the receiver; and

    a determination circuit configured to determine whether or not the vehicle is parked in a predetermined parking position of the power supply device,the transmitter being configured to transmit a first startup signal when the vehicle is traveling prior to entering a parking area and to transmit a second startup signal when the vehicle is stopped, the first and second startup signals being mutually exclusive,the controller being configured to control the power supply device according to a first control flow when receiving the first startup signal, and to control the power supply device according to a second control flow when receiving the second startup signal, and the controller being configured to control the power supply device according to the first control flow after activating the power supply device from a sleep state, when the determination circuit determines that the vehicle is not parked in the predetermined parking position after the receiver receives the first startup signal, and does not control the power supply device according to the first control flow after activating the power supply device from a sleep state and returns the power supply device to a sleep state, when the determination circuit determines that the vehicle is parked in the predetermined parking position after the receiver receives the first startup signal.

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