PROBLEM TO BE SOLVED: To provide a cargo handling work vehicle equipped with a power supply device in which a plurality of battery units is electrically connected in parallel, and to suppress a reduction of the service life of the battery units.SOLUTION: A cargo handling work vehicle includes a power supply device 4 in which a plurality of battery units 41, 42 constituted by secondary batteries is electrically connected in parallel. When a protection state occurs in which either one of the plurality of battery units 41, 42 does not supply power to a motor 9, power outputted from the other battery unit is regulated to less than a predetermined maximum power. In this way, the power (particularly, the current) supplied from the other battery unit can be regulated to become large. Accordingly, a reduction of the service life of the battery units can be achieved.SELECTED DRAWING: Figure 8

    【課題】 複数の電池ユニットが電気的に並列接続された電源装置を備える荷役作業用車両において、電池ユニットの寿命低下を抑制する。【解決手段】 二次電池にて構成された複数の電池ユニット41、42が電気的に並列接続された電源装置4と、複数の電池ユニット41、42のうちいずれかの電池ユニットが電動機9に電力を供給しない保護状態となったときに、その他の電池ユニットから出力される電力を予め設定された最大電力以下に制限する。これにより、その他の電池ユニットから供給される電力(特に、電流)が大きくなることを抑制できる。したがって、電池ユニットの寿命低下を抑制でき得る。【選択図】 図8


    Access

    Download


    Export, share and cite



    Title :

    CARGO HANDLING WORK VEHICLE


    Additional title:

    荷役作業用車両


    Contributors:

    Publication date :

    2016-06-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



    CARGO HANDLING WORK VEHICLE

    SUGIURA MITSURU | European Patent Office | 2018

    Free access

    CARGO HANDLING WORK VEHICLE

    YOSHINO MASAKAZU / HOSHINO MASAJI | European Patent Office | 2017

    Free access

    CARGO-HANDLING WORK VEHICLE

    MITSUOKA HIDEAKI | European Patent Office | 2018

    Free access

    CARGO-HANDLING WORK VEHICLE

    TAKAHASHI RYOSUKE | European Patent Office | 2017

    Free access

    CARGO HANDLING WORK SUPPORT DEVICE FOR CARGO HANDLING VEHICLE

    ONO TAKUMA / ADACHI YUKAKO / SAKAKIBARA TAKETO et al. | European Patent Office | 2021

    Free access