To provide a wireless power feeding device that transmits power to a motor in which the state of the motor or peripheral circuits thereof is stabilized.SOLUTION: A wireless power feeding device 10 includes a power feeding resonant circuit 1 that couples wirelessly, that is, in a contactless manner, to a power receiving resonant circuit 2 that supplies power to a motor MT. The wireless power feeding device 10 further includes a switching power supply 20 that supplies power to the power feeding resonant circuit 1 by switching. The wireless power feeding device 10 further includes a control unit 3 coupled to the power feeding resonant circuit 1. The control unit 3 includes a feedback unit 16 and a phase adjustment unit 18 and switches a switching power source 20 at a timing corresponding to a time change in voltage or current in the power feeding resonant circuit 1.SELECTED DRAWING: Figure 1
【課題】本発明の目的は、モータに電力を伝送するワイヤレス給電装置について、モータまたはその周辺回路の状態を安定化することである。【解決手段】ワイヤレス給電装置10は、モータMTに電力を供給する受電共振回路2にワイヤレス、すなわち非接触で結合する給電共振回路1を備えている。また、ワイヤレス給電装置10は、スイッチングによって給電共振回路1に電力を供給するスイッチング電源20を備えている。ワイヤレス給電装置10は、さらに、給電共振回路1に結合する制御部3を備えている。制御部3は、帰還部16および位相調整部18から構成され、給電共振回路1における電圧または電流の時間変化に応じたタイミングで、スイッチング電源20をスイッチングさせる。【選択図】図1
WIRELESS POWER FEEDING DEVICE FOR MOTOR, MOTOR DRIVE SYSTEM, WIRELESS POWER FEEDING SYSTEM FOR VEHICLE, AND INTER-VEHICLE POWER FEEDING SYSTEM
モータ用ワイヤレス給電装置、モータ駆動システム、車両用ワイヤレス給電システムおよび車々間給電システム
2023-12-26
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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