The invention relates to the technical field of intelligent charging early warning, and discloses an electric vehicle intelligent charging security early warning alarm system, which comprises a charging data acquisition module used for acquiring the charging voltage of an electric vehicle during charging, analyzing and processing the charging voltage of the electric vehicle during charging and the rated voltage of an electric vehicle battery to obtain a charging voltage difference, and sending the charging voltage difference to an early warning module; the system comprises a monitoring module for monitoring the charging voltage difference when the electric vehicle is charged and processing and analyzing the charging voltage difference to obtain an over-limit early warning value, an over-limit early warning judgment module for judging whether charging over-limit early warning needs to be carried out when the electric vehicle is charged according to the over-limit early warning value, and a charging fluctuation analysis module for constructing a voltage difference change curve according to the charging voltage difference when the electric vehicle is charged in a monitoring period, the charging fluctuation early warning module is used for establishing a positive and negative voltage difference interval and processing and analyzing the voltage difference change curve and the established positive and negative voltage difference interval to obtain a charging fluctuation performance value, and the fluctuation early warning module is used for judging whether charging fluctuation early warning needs to be carried out when the electric vehicle is charged or not according to the charging fluctuation performance value.
本发明涉及智能充电预警技术领域,本发明公开了一种电动车智能充电安防预警报警系统,包括:充电数据获取模块:获取电动车在充电时的充电电压,对电动车在充电时的充电电压与电动车电池的额定电压分析处理,得到充电电压差,监测电动车充电时的充电电压差,并处理分析得到超界预警值,超界预警判断模块:根据超界预警值,判断是否需要对电动车在充电时进行充电超界预警,充电波动分析模块:根据监测周期内电动车充电时的充电电压差构建电压差变化曲线,建立正负电压差区间,对电压差变化曲线以及所建立的正负电压差区间进行处理分析,得到充电波动表现值,波动预警模块:根据充电波动表现值,判断是否需要对电动车在充电时进行充电波动预警。
Intelligent charging security early warning and alarming system for electric vehicle
一种电动车智能充电安防预警报警系统
2025-03-28
Patent
Electronic Resource
Chinese
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