COIL DEVICE AND WIRELESS POWER TRANSMISSION DEVICE

PROBLEM TO BE SOLVED: To provide a coil device and a wireless power transmission device capable of detecting that open failures or short-circuit failures occur at any one of a plurality of capacitor elements that configure a capacitor circuit with certainty.SOLUTION: A coil device Lu1 comprises: a p...

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Bibliographic Details
Main Authors SAEN TSUNEHIRO, FUKUZAWA SHIGETOSHI, SATO AYAKO
Format Patent
LanguageEnglish
Japanese
Published 09.03.2017
Subjects
BASIC ELECTRIC ELEMENTS
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSFORMERS
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Summary:PROBLEM TO BE SOLVED: To provide a coil device and a wireless power transmission device capable of detecting that open failures or short-circuit failures occur at any one of a plurality of capacitor elements that configure a capacitor circuit with certainty.SOLUTION: A coil device Lu1 comprises: a power transmission coil L1; a capacitor circuit X1 connected with the power transmission coil L1, and that has a plurality of capacitor elements CAP1; a conductive metal part SD arranged close to the power transmission coil L1; and a measurement part VSG1 that measures a voltage or a current generated at the metal part SD.SELECTED DRAWING: Figure 2a 【課題】キャパシタ回路を構成する複数のキャパシタ素子のいずれかにオープン故障またはショート故障が生じたことを確実に検出することが可能なコイル装置及びワイヤレス電力伝送装置を提供すること。【解決手段】コイル装置Ｌｕ１は、電力伝送用コイルＬ１と、電力伝送用コイルＬ１に接続され、複数のキャパシタ素子ＣＡＰ１を有するキャパシタ回路Ｘ１と、電力伝送用コイルＬ１に近接して配置される導電性の金属部ＳＤと、金属部ＳＤに発生する電圧もしくは、電流を計測する計測部ＶＳＧ１を備える。【選択図】図２ａ
Bibliography:Application Number: JP20160152550