PROBLEM TO BE SOLVED: To provide a wireless power reception device and a wireless power transmission system that suppress deterioration of an electric double layer capacitor in storing power by using both of the electric double layer capacitor and a battery.SOLUTION: A wireless power reception device mounted on a mobile body acquiring driving force using power stored in a battery, the wireless power reception device being capable of wirelessly receiving power during the mobile body moving or stopping, comprises: a power reception coil for receiving AC power through a magnetic field; a rectification unit for converting the AC power received by the power reception coil to DC power; an electric double layer capacitor that is connected in parallel between the rectification unit and the battery and is charged with output power by the rectification unit; a power adjustment unit that is connected between the electric double layer capacitor and the battery and adjusts power to the battery; and a power storage switching unit that when the mobile body receives power during the mobile body stopping, continues charging the battery with the output power by the rectification unit and stops charging the electric double layer capacitor with the output power by the rectification unit.SELECTED DRAWING: Figure 4
【課題】電気二重層キャパシタとバッテリを併用して電力を蓄電する際に、電気二重層キャパシタの劣化を抑制したワイヤレス受電装置及びワイヤレス電力伝送システムを提供すること。【解決手段】バッテリに蓄えられた電力により駆動力を得る移動体に搭載され、移動体が移動中及び停止中にワイヤレスにて電力が受電可能なワイヤレス受電装置であって、磁界を介して交流電力を受電する受電コイルと、受電コイルが受電した交流電力を直流電力に変換する整流部と、整流部とバッテリとの間に並列接続され、整流部の出力電力によって蓄電される電気二重層キャパシタと、電気二重層キャパシタとバッテリとの間に接続され、バッテリへの電力の調整を行う電力調整部と、移動体が停止中に電力を受電したとき、整流部の出力電力によるバッテリへの充電を継続し、整流部の出力電力による電気二重層キャパシタへの蓄電を停止する蓄電切替部と、を備えるワイヤレス受電装置。【選択図】図4
WIRELESS POWER RECEPTION DEVICE AND WIRELESS POWER TRANSMISSION SYSTEM
ワイヤレス受電装置及びワイヤレス電力伝送システム
2017-09-28
Patent
Electronic Resource
Japanese
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