To mitigate influence on a power supply coil that supplies no power by an electromagnetic field of a power supply coil that supplies power.SOLUTION: A coil unit 40U used for a non-contact power supply system 100 has: a plurality of coils that include a first coil 40(x) and a second coil 40(x+1) adjacent to the first coil in a predetermined direction and that are used for transferring power; and a magnetic flux reduction structure MRS in which at the time of power transfer using the first coil, the first coil causes the second coil to reduce magnetic flux B40 that generates an induction voltage or an induction current.SELECTED DRAWING: Figure 3A
【課題】電力を給電した給電コイルの電磁界が,電力を給電しない給電コイルに与える影響を低減する。【解決手段】非接触給電システム100に用いられるコイルユニット40Uは,第1コイル40(x)と,前記第1コイルに対して予め定められた方向に隣接する第2コイル40(x+1)とを含み,電力の移動に用いられる複数のコイルと,前記第1コイルを用いた前記電力の移動の際に前記第1コイルが前記第2コイルに、誘起電圧、もしくは誘導電流を生じさせる磁束B40を低減する磁束低減構造MRSと,を備える。【選択図】図3A
NON-CONTACT POWER SUPPLY SYSTEM AND ITS COIL UNIT
非接触給電システム及びそのコイルユニット
2021-12-27
Patent
Electronic Resource
Japanese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES |