A first power supply unit (41) rectifies AC power received by a power receiving coil (31) that receives power in a non-contact manner from the outside using magnetic field coupling, converts the rectified AC power into DC power, and supplies the DC power as main power to be used in a load device (45). A second power supply unit (42) is connected to a preceding stage of the first power supply unit, and outputs power for controlling the first power supply unit in a direct current manner. As a result, in a circuit configuration when the load device receives power, it is possible to stably secure a power supply for control.
第一电源部(41)将使用磁场耦合从外部以非接触的方式受电的受电线圈(31)所接收的交流电力整流并转换为直流,并且作为在负载装置(45)中使用的主要电力进行供给。第二电源部(42)连接到该第一电源部的前级,并且以直流输出用于第一电源部的控制的电力。由此,在负载装置接收到电力时的电路结构中,能够稳定地确保控制用的电源。
Power receiving device, non-contact power supply system, and non-contact power supply method
受电装置、非接触供电系统和非接触供电方法
2025-02-07
Patent
Electronic Resource
Chinese
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 / 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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