To properly perform foreign matter detection even when a crew member gets on and off a vehicle to change vehicle attitude.SOLUTION: A non-contact power supply system 1 comprises: a distance detection unit 23 between coils which performs non-contact power supply between a power transmission coil 12 installed on the ground and a power incoming coil 22 mounted on a vehicle 10, and detects a distance between the power transmission coil 12 and the power incoming coil 22; and a foreign matter detection unit 24 which detects a foreign matter existing in a foreign matter detection area set between the power transmission coil 12 and the power incoming coil 22. The foreign matter detection unit 24 is installed either on a power supply device 100 or the vehicle 10, and changes the foreign matter detection area according to the distance between the coils.SELECTED DRAWING: Figure 1
【課題】乗員が車両を乗り降りして車両の姿勢が変化しても異物の検知を正確に行う。【解決手段】本発明の非接触給電システム1は、地上に設置された送電コイル12と車両10に搭載された受電コイル22との間で非接触給電を行い、送電コイル12と受電コイル22との間のコイル間距離を検出するコイル間距離検出部23と、送電コイル12と受電コイル22との間に設定された異物検知範囲内に存在する異物を検知する異物検知部24とを備え、異物検知部24は給電装置100または車両10のいずれかに設置され、コイル間距離に応じて異物検知範囲を変化させる。【選択図】図1
FOREIGN MATTER DETECTION METHOD BY NON-CONTACT POWER SUPPLY SYSTEM AND NON-CONTACT POWER SUPPLY SYSTEM
非接触給電システムによる異物検知方法及び非接触給電システム
27.12.2018
Patent
Elektronische Ressource
Japanisch
IPC: | 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 / 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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