Power feeding device and power receiving device for contactless power transmission

A power feeding device includes a cover, a primary coil covered with the cover and provided in a predetermined direction with respect to the cover, and a temperature-sensitive detector that detects the temperature of an object on the cover. When the distance from the surface of the cover to the temp...

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Bibliographische Detailangaben
1. Verfasser:	Ibaragi Hiroshi
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INDUCTANCES MAGNETS MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SYSTEMS FOR STORING ELECTRIC ENERGY TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR TRANSFORMERS
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Beschreibung
Zusammenfassung:	A power feeding device includes a cover, a primary coil covered with the cover and provided in a predetermined direction with respect to the cover, and a temperature-sensitive detector that detects the temperature of an object on the cover. When the distance from the surface of the cover to the temperature-sensitive detector in the predetermined direction is denoted by L [m], the temperature of the object to be subjected to thermometry by the temperature-sensitive detector is denoted by T0[K], the temperature to be detected by the temperature-sensitive detector is denoted by T1[K], and the thermal conductivity of the cover is denoted by λ [W/(m·K)], L satisfies the following equation L ≤ λ × ( T 0 - T 1 ) 5 × T 1 . ( 1 ) This allows the temperature of the object on the cover to be accurately detected.