The invention discloses a charging current ripple suppression device for the vehicle-mounted charger of an electric vehicle. The charging current ripple suppression device comprises a current detection module, a current ripple suppression module, a microcontroller DSP module, a memory module, a state indicating lamp, a CAN communication module, a display circuit and an auxiliary power supply circuit; the auxiliary power supply circuit is electrically connected with the current detection module, the current ripple suppression module, the microcontroller DSP module, the memory module, the stateindicating lamp, the CAN communication module and the display circuit to supply power to the modules; the input ends of the microcontroller DSP module is electrically connected with the output ends ofthe current detection module, the current ripple suppression module, the memory module and the display circuit; and the output ends of the microcontroller module is electrically connected with the input ends of the state indicating lamp, the display circuit, the CAN communication module, the current ripple suppression module and the memory module. The charging current ripple suppression device has the advantages of high precision and wide applicable frequency band, and does not need software calculation and error compensation.
本发明公开了一种电动车辆车载充电机充电电流纹波抑制装置,包括电流检测模块、电流纹波抑制模块、微控制器DSP模块、存储器模块、状态指示灯、CAN通信模块、显示电路及辅助供电电路,辅助供电电路与电流检测模块、电流纹波抑制模块、微控制器DSP模块、存储器模块、状态指示灯、CAN通信模块、显示电路电连接为其供电,微控制器DSP模块的输入端与电流检测模块、电流纹波抑制模块、存储器模块及显示电路的输出端电连接,微控制器模块的输出端与状态指示灯、显示电路、CAN通信模块、电流纹波抑制模块及存储器模块的输入端电连接。具有以下优点:能实现很高的精度,适用频带较宽,不需要用通过软件计算和补偿误差。
Charging current ripple suppression device for vehicle-mounted charger of electric vehicle
一种电动车辆车载充电机充电电流纹波抑制装置
2020-04-21
Patent
Electronic Resource
Chinese
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