To provide a contactless power supply device that reduces loss in a power supply coil and allows a feeder cable to be omitted.SOLUTION: A contactless power supply device SD1 has M (M is an integer equal to or greater than 5) coil units UN each forming 2N turns (N is an integer equal to or greater than 1) of loop coils CL1. Each of the M coil units UN includes 2N conductors CN1, 2N conductors CN2, and a connection switching unit SU1 that switches connections of the 2N conductors CN1 and the 2N conductors CN2. The connection switching unit SU1 switches between a state ST1 in which a loop coil CL1 is formed by the 2N conductors CN1 and the 2N conductors CN2, and a state ST2 in which a power supply line FD1 is formed by one set of N conductors CN1 and N conductors CN2 and a power supply line FD2 is formed by the other set of N conductors CN1 and N conductors CN2.SELECTED DRAWING: Figure 1

    【課題】給電コイルの損失を低減させ、フィーダーケーブルを省略することができる非接触給電装置を提供する。【解決手段】非接触給電装置SD1は、2Nターン(Nは1以上の整数)のループコイルCL1をそれぞれ形成するM個(Mは5以上の整数)のコイルユニットUNを備える。M個のコイルユニットUNの各々は、2N本の導線CN1と、2N本の導線CN2と、2N本の導線CN1及び2N本の導線CN2の接続を切り替える接続切替部SU1と、を有する。接続切替部SU1は、2N本の導線CN1及び2N本の導線CN2によりループコイルCL1が形成される状態ST1と、一方のN本の導線CN1及びN本の導線CN2により給電線FD1が形成され、他方のN本の導線CN1及びN本の導線CN2により給電線FD2が形成される状態ST2と、を切り替える。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    CONTACTLESS POWER SUPPLY DEVICE


    Additional title:

    非接触給電装置


    Contributors:
    YODA HIROSHI (author) / UKITA KEIGO (author)

    Publication date :

    2023-09-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01F MAGNETS , Magnete / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



    Contactless power supply device, contactless power reception device, and contactless power supply system

    TAKAHASHI MASAYA / NAKAYASHIKI YUUSEI / TAKAHASHI EISUKE et al. | European Patent Office | 2024

    Free access

    CONTACTLESS POWER SUPPLY DEVICE, CONTACTLESS POWER RECEPTION DEVICE, AND CONTACTLESS POWER SUPPLY SYSTEM

    TAKAHASHI MASAYA / NAKAYASHIKI YUUSEI / TAKAHASHI EISUKE et al. | European Patent Office | 2022

    Free access

    CONTACTLESS POWER SUPPLY SYSTEM AND CONTACTLESS POWER SUPPLY DEVICE

    YAMAMOTO YUTO / SASADA MOTOHIRO / TOYA SHOICHI | European Patent Office | 2021

    Free access

    CONTACTLESS POWER SUPPLY SYSTEM AND CONTACTLESS POWER SUPPLY DEVICE

    YAMAMOTO YUTO / SASADA MOTOHIRO / TOYA SHOICHI | European Patent Office | 2021

    Free access

    CONTACTLESS POWER SUPPLY DEVICE AND CONTACTLESS POWER RECEIVING DEVICE

    KOIZUMI MASAYOSHI / OHASHI OSAMU | European Patent Office | 2016

    Free access