PROBLEM TO BE SOLVED: To safely transmit electric power even when an obstacle exists.SOLUTION: A movable body wirelessly receives AC power from a power transmission device having first and second power transmission electrodes disposed along a road surface. The movable body includes: a sensor detecting an obstacle positioned at least either on a route of the movable body or on the lower part of the movable body; at least one of first power receiving electrodes carrying out electric field coupling with the first power transmission electrode when facing the first power transmission electrode; at least one of second power receiving electrodes carrying out electric field coupling with the second power transmission electrode when facing the second power transmission electrode; an actuator moving the whole or part of the first power receiving electrodes in a gravity direction; and a control circuit controlling the actuator. The control circuit controls the actuator on the basis of detection result by the sensor to avoid the first power receiving electrode from coming in contact with the obstacle.SELECTED DRAWING: Figure 7A
【課題】障害物が存在する場合でも、安全に電力伝送を行う。【解決手段】移動体は、路面に沿って配置された第1および第2送電電極を有する送電装置から、交流電力を無線で受電する。前記移動体は、前記移動体の経路上および前記移動体の下方の少なくとも一方に位置する障害物を検知するセンサと、前記第1送電電極に対向したときに、前記第1送電電極と電界結合する少なくとも1つの第1受電電極と、前記第2送電電極に対向したときに、前記第2送電電極と電界結合する少なくとも1つの第2受電電極と、前記第1受電電極の全体または一部を、重力方向に移動させるアクチュエータと、前記アクチュエータを制御する制御回路とを備える。前記制御回路は、前記センサによる検知の結果に基づいて前記アクチュエータを制御し、前記第1受電電極が障害物に接触することを回避する。【選択図】図7A
MOVABLE BODY AND WIRELESS POWER TRANSMISSION SYSTEM
移動体および無線電力伝送システム
2018-04-26
Patent
Electronic Resource
Japanese
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 / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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