To provide, for an electric work vehicle, a power supply device which allows an external inverter to be removed when it is unnecessary, and prevents the connection of an inappropriate external inverter.SOLUTION: A power supply device for an electric work vehicle includes: a battery 2 for driving the electric work vehicle; a first connection part 21 for an internal inverter 7 which converts DC power from the battery 2 into AC power, and outputs the AC power to internal electric devices 15 and 32 installed in the electric work vehicle; a second connection part 22 for an external inverter 8 which converts DC power from the battery 2 into AC power, and outputs the AC power to an external electric device 9; and a battery control part 23 which is connected to the first connection part 21 and the second connection part 22, and controls the charging of and power supply from the battery 2. The battery control part 23 communicates with the external inverter 8 side via the second connection part 22, and performs authentication on whether or not power supply to the external inverter 8 is permitted.SELECTED DRAWING: Figure 6
【課題】不要時の外部インバータの取り外しが可能であり、不適切な外部インバータの接続が防止される給電装置を電動作業車のために提供する。【解決手段】電動作業車を駆動するためのバッテリ2と、バッテリ2の直流電力を交流電力に変換して電動作業車に装備された内部電動機器15,32に出力する内部インバータ7のための第1接続部21と、バッテリ2の直流電力を交流電力に変換して外部電動機器9に出力する外部インバータ8のための第2接続部22と、第1接続部21及び第2接続部22に接続されるとともにバッテリ2の充電及び給電を制御するバッテリ制御部23とが備えられ、バッテリ制御部23は、第2接続部22を介して外部インバータ8側と通信して、外部インバータ8に対する給電可否の認証を行う電動作業車の給電装置。【選択図】図6
POWER SUPPLY DEVICE FOR ELECTRIC WORK VEHICLE
電動作業車の給電装置
2023-03-30
Patent
Electronic Resource
Japanese