The invention discloses a fast-charging communication network electromagnetic interference protection circuit, an electric vehicle, and a charging pile, the protection circuit comprises a common-mode interference suppression unit and a spike pulse suppression unit, the common-mode interference suppression unit is arranged corresponding to a charging pile communication network port and/or a vehicle-mounted communication network port, thereby suppressing common-mode interference in the fast charging communication process; and the spike pulse suppression unit is connected with the common-mode interference suppression unit, and the spike pulse suppression unit is used for suppressing the spike level in the fast charge communication process. Therefore, the protection circuit can greatly reduce the interference signal between the vehicle and the charging pile when the vehicle is in a fast charging working condition, ensures that the vehicle can be normally and fast charged, and improves the user experience.
本发明公开了一种快充通信网络电磁干扰防护电路、电动汽车、充电桩,该防护电路包括共模干扰抑制单元和尖峰脉冲抑制单元,其中,共模干扰抑制单元对应充电桩通信网络端口和/或车载通信网络端口设置,以对快充通信过程中的共模干扰进行抑制;尖峰脉冲抑制单元与共模干扰抑制单元相连,尖峰脉冲抑制单元用于对快充通信过程中的尖峰电平进行抑制。由此,该防护电路能够在车辆处于快充工况时,极大程度地降低车辆与充电桩之间的干扰信号,保证车辆能够正常进行快充,提高用户体验。
Fast-charging communication network electromagnetic interference protection circuit, electric vehicle and charging pile
快充通信网络电磁干扰防护电路、电动汽车、充电桩
2022-02-08
Patent
Electronic Resource
Chinese
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