POWER TRANSMISSION APPARATUS

• Main Author: YOSHIZAWA DAISUKE
• Format: Patent
• Language: English; Japanese
• Published: 13.09.2018
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

PROBLEM TO BE SOLVED: To provide a power transmission apparatus with high charging efficiency by reducing an adverse effect mutual inductance between two power transmission coils conforming to different standards.SOLUTION: A power transmission apparatus includes: a power transmission circuit 41 for generating an electric signal; a first power generation coil 10 for transmitting electric power by means of a first transmission system with the electric signal generated by the power transmission circuit; a second power transmission coil 20 for transmitting electric power by means of a second transmission system with the electric signal generated by the power transmission circuit; a first power transmission coil position moving part 47 for moving a position of the first power transmission coil in a direction perpendicular to a coil surface; and a controller 45 for controlling the first power transmission coil position moving part 47 and moving the first power transmission coil 10 to be distant from a reception device RD.SELECTED DRAWING: Figure 2 【課題】異なる規格に準拠する２つの送電コイルにおける相互インダクタンスの影響を低減させて、充電効率の良い送電装置を提供する。【解決手段】送電装置は、電気信号を生成する送電回路４１と、送電回路が生成する電気信号により第１の伝送方式で電力を伝送する第１送電コイル１０と、送電回路が生成する電気信号により第２の伝送方式で電力を伝送する第２送電コイル２０と、第１送電コイルの位置をコイル面と垂直な方向に移動させる第１送電コイル位置移動部４７と、送電回路が第２送電コイルから電力を伝送するように電気信号を生成する場合に、第１送電コイル位置移動部４７を制御し、第１送電コイル１０を受電装置ＲＤから遠くなる方へ移動させる制御部４５とを備える。【選択図】図２