Described herein is a charging unit for wireless power transfer. The charging unit comprises at least one coil for inductive power transfer, a sensor coil array with a sensing field for sensing the presence of at least one foreign object, and a controller. The controller is configured to move the sensor coil array and/or sensing field so that the sensing field can scan a sensing region, and configured to detect the presence of the at least one foreign object in the sensing region based on the sensing array output. The sensor coil array and/or sensing field is moveable such that the sensing field can be: a) positioned in the sensing region so that the sensing field does not overlap the at least one foreign object, and also b) positioned in the sensing region so that the sensing field does overlap the at least one foreign object.

    本文描述了一种用于无线功率传输的充电单元。该充电单元包括用于感应功率传输的至少一个线圈,具有用于感测至少一个外来物体的存在的感测场的传感器线圈阵列,以及控制器。该控制器被配置为移动该传感器线圈阵列和/或感测场,使得该感测场可以扫描感测区域,并且被配置为基于该感测阵列输出来检测该感测区域中至少一个外来物体的存在。该传感器线圈阵列和/或感测场是可移动的,使得该感测场可以:a)定位在该感测区域中,使得该感测场不与该至少一个外来物体重叠,以及b)定位在该感测区域中,使得该感测场与该至少一个外来物体重叠。


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    Titel :

    WIRELESS POWER TRANSFER SYSTEMS


    Weitere Titelangaben:

    无线功率传输系统


    Beteiligte:
    YUN LI JUN (Autor:in)

    Erscheinungsdatum :

    2021-11-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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



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