PROBLEM TO BE SOLVED: To provide a power receiving device that is able to decrease an area where magnetic field density increases, during power transmission in a power transmission system.SOLUTION: A power receiving device comprises a rectangular core 260 in a plan view including a projection part 260p in a central area; and an annular coil arranged around the projection part 260p. The core 260 includes: an outside core 260X in which a plurality of outside plate-like ferrite cores 260A are annularly aligned; and an inside core 260Y the outer-peripheral-edge area of which is arranged so as to overlap the inner-peripheral-edge area of an outside core 260X and in which a plurality of inside plate-like ferrite cores 260B are aligned in a matrix. The inside plate-like ferrite core 260B composing a corner part of the inside core 260Y is arranged such that an outer peripheral edge area including edges except the corner part C10 overlaps the inner-peripheral-edge area of the outside core 260X.SELECTED DRAWING: Figure 4
【課題】電力伝送システムにおける電力伝送時に、磁界密度が高くなる領域を減少させることを可能とする受電装置を提供する。【解決手段】受電装置は、中央領域に突出部260pを含む平面視において矩形形状のコア260と、突出部260pの周囲に配置される環状のコイルとを備え、コア260は、複数の外側用板状フェライトコア260Aが環状に配列された外側コア260Xと、その外周縁部領域が外側コア260Xの内周縁部領域と重なるよう配置され、複数の内側用板状フェライトコア260Bが行列状に配列された内側コア260Yとを有し、内側コア260Yの角部を構成する内側用板状フェライトコア260Bは、角部C10を除く辺を含む外周縁部領域領域が外側コア260Xの内周縁部領域と重なるよう配置した。【選択図】図4
POWER RECEIVING DEVICE AND POWER TRANSMITTING DEVICE
受電装置および送電装置
2016-07-14
Patent
Electronic Resource
Japanese
IPC: | H01F MAGNETS , Magnete / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
Power transmitting and receiving system, power receiving device, and power transmitting device
European Patent Office | 2022
|European Patent Office | 2016