To provide a charging system capable of aligning a power receiving coil to a power supply coil without positional displacement.SOLUTION: A charging system comprises: an autonomous mobile body including a battery; and a charging device for charging the battery in accordance with a wireless charging method. The autonomous mobile body includes: a drive unit; a power receiving coil for charging the battery; at least three alignment coils; and a first control unit. The charging device includes: a power supply coil; and a second control unit provided to control a voltage to be applied to the power supply coil. The second control unit is provided to generate a magnetic field by applying a voltage to the power supply coil before starting charging. The first control unit is provided to control the drive unit in such a manner that the power receiving coil overlaps the power supply coil, on the basis of induction currents which are generated in the at least three alignment coils by the magnetic field.SELECTED DRAWING: Figure 9
【課題】本発明は、受電コイルを給電コイルに位置ずれなく位置合わせすることができる充電システムを提供する。【解決手段】本発明の充電システムは、バッテリーを有する自律移動体と、バッテリーを無線充電方式で充電するための充電装置とを備え、自律移動体は、駆動部と、バッテリーを充電するための受電コイルと、少なくとも3つの位置合わせ用コイルと、第1制御部とを備え、充電装置は、給電コイルと、給電コイルに印加する電圧を制御するように設けられた第2制御部とを備え、第2制御部は、充電開始前において給電コイルに電圧を印加し磁界を生じさせるように設けられ、第1制御部は、前記磁界により少なくとも3つの位置合わせ用コイルに発生した誘導電流に基づき受電コイルが給電コイルに重なるように駆動部を制御するように設けられたことを特徴とする。【選択図】図9
CHARGING SYSTEM, AUTONOMOUS MOBILE BODY AND CHARGING DEVICE
充電システム、自律移動体及び充電装置
2021-10-28
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 / A47L DOMESTIC WASHING OR CLEANING , Waschen oder Reinigen im Haushalt / 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 |
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