This wireless power supply system for an elevator is characterized by being provided with: a power transmission device for supplying power; a power receiving device provided in the first elevator car; a second power receiving device provided in the second elevator car; and a control device, in which the power transmission device is provided with a power transmission unit having an inverter for supplying AC power and two power transmission coils connected in parallel to the inverter, and the first power reception device is provided with a first power reception unit having a power reception coil and a rectification circuit, and a second power reception unit having a power reception coil and a rectification circuit connected in parallel to the first power reception coil. A first power receiving device includes a first power receiving unit including a power receiving coil capable of being coupled to one of the two power transmitting coils and a rectifying circuit connected in series to the power receiving coil, and a second power receiving unit including a power receiving coil capable of being coupled to the other of the two power transmitting coils and a rectifying circuit connected in series to the power receiving coil. The rectifying circuit is connected in series with the power receiving coil, and the power transmission device or the first power receiving device and the second power receiving device have a plurality of switches that cut off the connection between the inverter and the first load device and the second load device.

    本发明的电梯用无线供电系统的特征在于,具备:输电装置,其供给电力;受电装置,其设置于第1电梯轿厢;第2受电装置,其设置于第2电梯轿厢;以及控制装置,输电装置具备输电单元,该输电单元具有逆变器和两个输电线圈,所述逆变器供给交流电,所述两个输电线圈相对于逆变器相互并联连接,第1受电装置具备第1受电单元,该第1受电单元具有受电线圈和整流电路,所述受电线圈能够与两个输电线圈中的一方耦合,所述整流电路与该受电线圈串联连接,第2受电装置具备第2受电单元,该第2受电单元具有受电线圈和整流电路,所述受电线圈能够与两个输电线圈中的另一方耦合,所述整流电路与该受电线圈串联连接,输电装置或第1受电装置以及第2受电装置具有多个开关,该多个开关切断逆变器与第1负载装置以及第2负载装置之间的连接。


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    Title :

    Wireless power supply system for elevator and elevator system


    Additional title:

    电梯用无线供电系统以及电梯系统


    Contributors:

    Publication date :

    2022-03-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / 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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