Wireless charging system for an electric vehicle, and charging method for same

摘要

The present invention relates to a wireless charging system for an electric vehicle and to a charging method for same, in which electric power is wirelessly supplied to the electric vehicle through a plurality of wireless transceiving panels to charge a battery, and only the wireless transceiving panel that is opposite the electric vehicle at an optimum condition in consideration of the type and parked position of the vehicle selectively operates to perform a wireless transceiving operation, thereby maximizing wireless charging efficiency. For this purpose, the present invention provides a wireless charging system for an electric vehicle and a charging method for same, wherein the wireless charging system comprises: a power control device installed in a wireless charging station to control each wireless power-transmitting device; a wireless power-transmitting device and a ground near field wireless communication module, which are installed in a parking area; a plurality of wireless power-transmitting devices installed on the ground of the parking area to select and operate a portion of wireless transmitting panels opposite the vehicle in accordance with electric vehicle charging information; a plurality of wireless receiving panels installed in the lower portion of the electric vehicle such that the panels are movable in the upward and downward directions; and a wireless power receiver, a wireless charging terminal, a near field communication module and a charge controller installed within the electric vehicle, thereby performing optimized wireless charging in accordance with the selection of a driver made via the wireless charging terminal.

主权项

1. A wireless charging system for electric vehicles comprising:
a power control device mounted in a wireless charging station for controlling each of wireless power transmitting devices; at least one wireless power transmitting device connected to the power control device and mounted in a parking area; a ground short-distance wireless communication module connected to the wireless power transmitting device and mounted in the parking area; a plurality of wireless transmitting panel devices installed on the ground of the parking area, each of the wireless transmitting panel devices having a wireless charging panel and being operated in such a fashion that only the wireless transmitting panel device selected according to kinds of the corresponding vehicle based on charging information of the electric vehicle received through short-distance wireless communication on the ground is operated by the wireless power transmitting device; a plurality of wireless receiving panel devices mounted on the lower part of the electric vehicle, each of the wireless receiving panel devices having a wireless receiving panel; a wireless power receiver mounted in the electric vehicle for controlling the wireless receiving panel devices; a wireless charging terminal connected to the wireless power receiver and mounted on a driver's seat of the electric vehicle, the wireless charging terminal allowing the driver to select the wireless receiving panel device suitable for wireless charging out of the plural wireless receiving panel devices and to input an electronic payment; a car short-distance wireless communication module mounted in the electric vehicle and connected to the wireless charging terminal; and a charging controller connected to the wireless power receiver for controlling that electric power received from the wireless receiving panel device is charged to a battery of the electric vehicle.