An object detection system for a non-contact power transfer system for a vehicle 1 on a roadway, wherein a charging volume CV the region in which the magnetic field for wireless power transfer is largely contained is defined. Sensors, to detect foreign objects (FODs, LODs, metallic objects) have a detection volume 10, representing their field of sensing, wherein the at least one of the detectors is arranged such that the detection volume 10 is fully outside the charging volume CV, that is, obstacles are detected outside the charging space, or at the edge of the contactless power transfer region. The sensors may be inductive, and may be on the primary (charging station, power supply or transmitter) side or the secondary or vehicle side (receiver). The sensors may be movable and may be activated before the vehicle is aligned with the power supply. The sensors are thereby able to detect contaminants, metal particles or other foreign objects before they enter the power transfer region, for increased safety.


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    Titel :

    Object detection system and method for detecting foreign objects in an inductive power transfer system


    Beteiligte:
    LANNOIJE MARNIX (Autor:in) / CZAINSKI ROBERT (Autor:in) / WIRTH CHRISTIAN (Autor:in)

    Erscheinungsdatum :

    21.10.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete / 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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