To surely detect existence of a foreign matter.SOLUTION: A non-contact power supply device 1 is provided with: a power transmission coil 2 which has a power transmission surface 24S and provides electric power through the power transmission surface 24S; and a foreign matter detection device 4 which detects a foreign matter 101 which exists on the power transmission surface 24S. The foreign matter detection device 4 is provided with: a visible light camera 12 which is arranged on one side of the power transmission surface 24S, and obtains an image by using the power transmission surface 24S as an imaging region; a light source 22 which is arranged on the other side of the power transmission surface 24S, and emits light which enters the visible light camera 12; and a controller 26 which receives provision of the image, and determines existence or non-existence of the foreign matter 101 on the power transmission surface 24S based on brightness of the image.SELECTED DRAWING: Figure 1
【課題】確実に異物の存在を検知する。【解決手段】非接触給電装置1は、送電面24Sを有し、送電面24Sを介して電力を提供する送電コイル2と、送電面24S上に存在する異物101を検知する異物検知装置4と、を備える。異物検知装置4は、送電面24Sにおける一方の側に配置されて、送電面24Sを撮像領域として画像を得る可視光カメラ12と、送電面24Sに対して他方の側に配置されて、可視光カメラ12に入射する光を発する光源22と、画像の提供を受け、画像の明暗に基づいて送電面24Sにおける異物101の有無を判定する制御部26と、を備える。【選択図】図1
FOREIGN MATTER DETECTION DEVICE AND COIL DEVICE
異物検知装置及びコイル装置
2020-07-09
Patent
Elektronische Ressource
Japanisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / 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 / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / H01F MAGNETS , Magnete |
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