Wireless power transmission apparatus, conveyance system employing the apparatus and method of controlling the apparatus

A wireless power transmission apparatus includes a high-frequency power generator, a power-transmitting electrode, a plurality of power-receiving electrodes, a switchable matching device, a detection circuit and a controller. The high-frequency power generator generates high-frequency power. The pow...

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Hauptverfasser: Miyazaki, Motoaki, Sugino, Masayoshi, Kitabayashi, Satoshi, Ohira, Takashi, Sakai, Naoki
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creator Miyazaki, Motoaki
Sugino, Masayoshi
Kitabayashi, Satoshi
Ohira, Takashi
Sakai, Naoki
description A wireless power transmission apparatus includes a high-frequency power generator, a power-transmitting electrode, a plurality of power-receiving electrodes, a switchable matching device, a detection circuit and a controller. The high-frequency power generator generates high-frequency power. The power-transmitting electrode is configured to transmit the high-frequency power generated by the high-frequency power generator. Each of the power-receiving electrodes is capable of wirelessly receiving the high-frequency power from the power-transmitting electrode. The matching device is electrically connected with the power-transmitting electrode and includes one or more matching circuits. The detection circuit detects, based on the output of reflected power from the power-transmitting electrode, whether or not the generation of the high-frequency power by the high-frequency power generator and the transmission of the high-frequency power at the power-transmitting electrode match each other. The controller switches the one or more matching circuits of the matching device depending on the detection result of the detection circuit.
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subjects BASIC ELECTRONIC CIRCUITRY
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
CONVEYING
ELECTRICITY
GENERATION
HANDLING THIN OR FILAMENTARY MATERIAL
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
PACKING
PERFORMING OPERATIONS
PNEUMATIC TUBE CONVEYORS
RESONATORS
SHOP CONVEYOR SYSTEMS
STORING
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
title Wireless power transmission apparatus, conveyance system employing the apparatus and method of controlling the apparatus
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