A power transmission device (100) for contactlessly supplying power to a movable power receiving device (200) is provided with: a power transmission resonance circuit (110) having a power transmission coil (112) and a power transmission resonance capacitor; a power transmission circuit (130) for supplying AC power to the power transmission resonance circuit; a power transmission request signal receiving unit (172) for receiving a power transmission request signal transmitted from a power receiving device; and a switching unit (174) for switching the value of current flowing through the power transmission coil, and switching the value of current flowing through the power transmission coil to a value of current that can be supplied to the power receiving device by changing the input impedance of the power transmission resonance circuit when the power transmission request signal is received.

    一种送电装置(100),用于以非接触的方式向能移动的受电装置(200)进行供电,上述送电装置包括:送电谐振电路(110),上述送电谐振电路具有送电线圈(112)和送电谐振电容器;送电电路(130),上述送电电路用于向送电谐振电路供给交流电力;送电请求信号接收部(172),上述送电请求信号接收部用于接收从受电装置发送的送电请求信号;以及切换部(174),上述切换部用于切换流过送电线圈的电流值,在接收到送电请求信号的情况下,通过改变送电谐振电路的输入阻抗,将流过送电线圈的电流值切换为能够向受电装置供给的电流值。


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    Title :

    Power transmission device, non-contact power supply system, power transmission method, and program


    Additional title:

    送电装置、非接触供电系统、送电方法和程序


    Contributors:

    Publication date :

    2024-10-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



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