The embodiment of the invention discloses an electric quantity state obtaining method and device, a charging device and a charging system. The electric quantity state obtaining method is applied to the charging device, the charging device is used for charging an electric vehicle, and the method comprises the steps that an initial electric quantity data value at the beginning of charging of the electric vehicle is obtained through VCI equipment; the charging current of the battery of the electric vehicle in the charging process is obtained, the electric quantity of the battery at the current moment is obtained based on the charging current, the electric quantity data value at the current moment is obtained based on the initial electric quantity data, the electric quantity and the rated total capacity of the electric vehicle, and the electric quantity data value is used for indicating the electric quantity state of the battery at the current moment. In this way, the electric quantity data value of the battery in the charging process can be obtained in real time.
本申请实施例公开了一种电量状态获取方法及装置、充电装置与充电系统,电量状态获取方法应用于充电装置,充电装置用于为电动车辆充电,方法包括通过VCI设备获取电动车辆刚开始充电时的初始电量数据值,获取电动车辆的电池在充电过程中的充电电流,基于充电电流,获取电池在当前时刻的电量,基于初始电量数据、电量以及电动车辆的额定总容量,获取当前时刻的电量数据值,电量数据值用于指示在当前时刻电池的电量状态。通过上述方式,能够实时获得电池在充电过程中的电量数据值。
Electric quantity state acquisition method and device, charging device and charging system
电量状态获取方法及装置、充电装置与充电系统
2021-10-29
Patent
Electronic Resource
Chinese
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