The invention discloses a power battery state real-time monitoring system, and relates to the technical field of new energy automobiles, and the system comprises the following components: sensor network construction: installing a voltage sensor, a temperature sensor, a current sensor and an internal resistance monitoring sensor on each single battery of a power battery pack to form an omnibearing and high-density monitoring network; according to the integrated fault diagnosis technology, the comprehensive and high-density sensor network is constructed, key parameters of voltage, temperature, current and internal resistance of each single battery in the battery pack are collected in real time, comprehensiveness and accuracy of data are ensured, multiple advanced fault diagnosis algorithms are combined, and the fault diagnosis accuracy of the battery pack is improved. According to the method, characteristics can be rapidly extracted from mass data according to a battery comprehensive fault identification index formula, a battery physical model prediction index and an abnormal value detection index, and pattern identification is carried out, so that accurate judgment of a fault type of a single battery and accurate positioning of a fault position are realized.
本发明公开了动力电池状态实时监测系统,涉及新能源汽车技术领域,该系统包括以下组成部分:传感器网络构建:在动力电池组的每个单体电池上安装电压传感器、温度传感器、电流传感器及内阻监测传感器,形成全方位、高密度的监测网络;本发明该通过集成化故障诊断技术通过构建全方位、高密度的传感器网络,实时采集电池组中每个单体电池的电压、温度、电流及内阻的关键参数,确保了数据的全面性和准确性,结合多种先进的故障诊断算法,如电池综合故障识别指数公式、电池物理模型预测及异常值检测指标,能够迅速从海量数据中提取特征,进行模式识别,从而实现对单体电池故障类型的精准判断及故障位置的精确定位。
Power battery state real-time monitoring system
动力电池状态实时监测系统
2025-03-28
Patent
Electronic Resource
Chinese
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