The invention relates to the technical field of vehicle intelligent monitoring, and particularly discloses a vehicle full life cycle-oriented charging safety early warning method and system, and the method comprises the steps: collecting real-time data through an electric core level sensor, and calculating voltage, temperature and current fluctuation coefficients, thereby obtaining a safety coefficient in a charging process; comparing the real-time data with historical data, judging the attenuation degree of the health state of the battery cell, and calculating an attenuation coefficient; a comprehensive risk index is calculated by comprehensively analyzing the safety coefficient and the attenuation coefficient, and then the risk level in the charging process is judged and divided into a high-risk mode and a low-risk mode; for a high risk level, early warning measures are triggered in time, such as sound or visual alarm, automatic charging stopping and the like; and under the condition of low risk, the charging strategy is optimized, the charging current and voltage are adjusted, the charging efficiency is improved, and the service life of the battery is prolonged.
本发明涉及车辆智能监测技术领域,具体公开了面向车辆全生命周期的充电安全预警方法及系统,通过电芯级传感器采集实时数据,计算电压、温度和电流波动系数,从而得出充电过程中的安全系数;将实时数据与历史数据进行比对,判断电芯健康状态的衰减程度,计算衰减系数;通过综合分析安全系数与衰减系数,计算综合风险指数,进而判断充电过程中的风险级别,分为高风险和低风险两种模式;针对高风险级别,及时触发预警措施,如发出声音或视觉警报、自动停充等;而在低风险情况下,优化充电策略,调整充电电流与电压,提高充电效率,同时延长电池寿命。
Charging safety early warning method and system for full life cycle of vehicle
面向车辆全生命周期的充电安全预警方法及系统
2025-03-25
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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