The invention discloses an extended-range electric tractor driving system and an electric tractor, and relates to the technical field of new energy agricultural machinery, the extended-range electric tractor driving system comprises a power battery, a range extender and a driving controller; the power battery is electrically connected with the traction motor; the traction motor is connected to two tractor driving wheels of the tractor through the transmission system; the range extender is electrically connected with the power battery; the driving controller is electrically connected with the power battery, the range extender and the traction motor; when the charge state of the power battery is higher than a control threshold value, the range extender is closed; and when the charge state of the power battery is lower than a control threshold value, the range extender is started to charge the power battery. The driving system is powered by double energy sources of the power battery and the range extender, the centralized driving system is adopted, the torque of the motor is output to the driving wheels of the tractor through the transmission system, the power requirements of the tractor under different operation working conditions are met, the overall operation efficiency of the tractor is greatly improved, and the operation energy consumption is also greatly reduced.
本发明公开一种增程式电动拖拉机驱动系统及电动拖拉机,涉及新能源农业机械技术领域,包括动力电池、增程器和驱动控制器;动力电池电气连接牵引电机,牵引电机通过传动系统连接至拖拉机的两拖拉机驱动轮;增程器通过电气连接与动力电池相连;驱动控制器与动力电池、增程器、牵引电机电气相接;当动力电池的荷电状态高于控制阈值时,增程器关闭;当动力电池的荷电状态低于控制阈值时,增程器启动,为动力电池充电。本发明驱动系统由动力电池和增程器双能量源供电,采用集中式驱动系统,通过传动系统将电动机的力矩输出至拖拉机驱动轮,满足拖拉机不同作业工况的动力需求,使得拖拉机的整机作业效率得到大幅度提高,作业能耗也大幅度降低。
Extended-range electric tractor driving system and electric tractor
增程式电动拖拉机驱动系统及电动拖拉机
2024-08-23
Patent
Electronic Resource
Chinese
Extended-range electric tractor control method and system
European Patent Office | 2020
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