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Power transmission and reception system for vehicle with graphical alignment

  • US 10,384,552 B2
  • Filed: 04/26/2017
  • Issued: 08/20/2019
  • Est. Priority Date: 04/27/2016
  • Status: Active Grant
First Claim
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1. A power reception apparatus, comprising:

  • a secondary coil which receives electric power in a non-contact manner from a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other;

    a drive part for changing a relative position of the secondary coil on the plane relative to the primary coil;

    a display unit; and

    a processing unit for processing an image to be displayed on the display unit,wherein the processing unit determines a target zone on the plane which includes the primary coil,the processing unit calculates the relative position and a gradient of the secondary coil relative to the primary coil based on a coupling coefficient between the primary coil and the secondary coil, and a change with time in the coupling coefficient,the processing unit displays information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil on the display unit,the processing unit does not display information on the relative position in relation to the left-right direction on the display unit, in an event that the secondary coil is included in the target zone in relation to the left-right direction, andthe processing unit changes a display mode of displaying the information on the relative position which is displayed on the display unit according to a change in the relative position in relation to the front-rear direction.

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