Patent ID: 9184633
Filing Date: 2015-11-10
Classification: B60L,H02J,Y02T,Y04S

Abstract:
1. A non-contact power supply device that performs a power transmission in a non-contact manner from a power transmitting section to a power receiving section, the device comprising: an efficiency detecting unit that detects a transmission efficiency of power transmitted from the power transmitting section to the power receiving section; a position detecting unit that detects a relative position between the power transmitting section and the power receiving section; a reference value calculating unit that calculates a reference value of the transmission efficiency at the relative position using the relative position detected by the position detecting unit; a control unit that controls the power transmission from the power transmitting section to the power receiving section, the control unit controlling the power transmitting section so as to stop the power transmission when the transmission efficiency detected by the efficiency detecting unit during the power transmission is less than the reference value that is obtained by the reference value calculating unit; and an electric energy calculating unit that calculates electric energy necessary for the power transmission from the power transmitting section to the power receiving section, the reference value calculating unit calculating the reference value of the transmission efficiency at the relative position using the relative position and the calculated electric energy.