The invention provides a communication method for a wireless charging preparation stage of an electric vehicle, which comprises the following steps of: establishing a communication method for each link of the preparation stage, sequentially communicating each link, and carrying out compatibility detection and pre-detection, interacting basic parameters and functional parameters of vehicle-mounted equipment and ground equipment by an IVU and a CSU, and carrying out compatibility judgment; performing initial foreign matter detection, interacting foreign matter detection results by the IVU and the CSU, and performing judgment; performing initial alignment detection, which is used for carrying out initial alignment detection on the vehicle-mounted equipment and the ground equipment; performing initial living body protection, interacting a living body protection detection result by the IVU and the CSU, and performing judgment; and performing frequency detection and locking for detecting and locking the frequencies of the vehicle-mounted equipment and the ground equipment. According to the communication method for the wireless charging preparation stage of the electric vehicle, normal interaction between vehicle-mounted equipment and ground equipment of different manufacturers can be ensured before formal charging, and a safe and efficient communication environment is provided for subsequent formal charging.
本发明提供了一种电动汽车无线充电准备阶段通信方法,建立准备阶段各环节的通信方法,各环节依次进行通信,包括:兼容性检测预检,IVU和CSU交互车载设备和地面设备的基本参数以及功能参数,并进行兼容性判断;初始异物检测,IVU和CSU交互异物检测结果,并进行判断;初始对位检测,用于进行车载设备和地面设备的初始对位检测;初始活体保护,IVU和CSU交互活体保护检测结果,并进行判断;频率检测及锁定,用于进行车载设备和地面设备的频率检测及锁定。本发明所述的电动汽车无线充电准备阶段通信方法可保证不同厂商的车载设备与地面设备在正式充电前实现正常交互,为后续的正式充电提供了安全、高效的通信环境。
Communication method for wireless charging preparation stage of electric vehicle
一种电动汽车无线充电准备阶段通信方法
2022-02-25
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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