To provide an electric driven work machine having a drive mode in which an electric motor is driven by one or both of an external power source and a battery, and a charging mode in which only the battery is charged by the external power source.SOLUTION: The present invention comprises a power feeder 61 for converting an AC power supply voltage of a commercial power supply 5 into a DC power supply voltage, a battery 62 for charging or discharging power from the power feeder 61, an inverter 63 for converting a DC power supply voltage into an AC power supply voltage, an electric motor 7 which is power-supplied and controlled by the inverter 63, a first electric path 6a for supplying electric power from the power feeder 61 to the inverter 63, a second electric path 6b that merges from the battery 62 to the first electric path 6a, an inverter relay 64 disposed between a confluence 6c of the first electric path 6a and the second electric path 6b and the inverter 63, a battery relay 65 disposed between the confluence 6c and the battery 62, and a power feeder relay 66 disposed between the confluence 6c and the power feeder 61.SELECTED DRAWING: Figure 2

    【課題】外部電源とバッテリの一方又は両方で電動モータを駆動させる駆動モードと、外部電源によるバッテリの充電のみが行われる充電モードとを有する電動式作業機械を提供する。【解決手段】商用電源5の交流電源電圧を直流電源電圧に交換する給電器61と、給電器61からの電力を充電または放電するバッテリ62と、直流電源電圧を交流電源電圧に交換するインバータ63と、インバータ63により電力を供給され制御される電動モータ7と、給電器61からインバータ63に電力を供給する第1の電路6aと、バッテリ62から第1の電路6aに合流する第2の電路6bと、第1の電路6aと第2の電路6bの合流点6cとインバータ63の間に配置されたインバータリレー64と、合流点6cとバッテリ62の間に配置されたバッテリリレー65と、合流点6cと給電器61の間に配置された給電器リレー66と、を備える。【選択図】図2


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    Titel :

    ELECTRIC DRIVEN WORK MACHINE


    Weitere Titelangaben:

    電動式作業機械


    Beteiligte:
    KANEDA KENSUKE (Autor:in) / TERASHIMA JUN (Autor:in)

    Erscheinungsdatum :

    2019-10-31


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    E02F Baggern , DREDGING / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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