The invention discloses an electric vehicle real-time charging safety protection threshold dynamic grading method and system, and relates to the technical field of electric vehicle charging safety, voltage nodes are traversed, and voltage data are acquired based on the voltage nodes; determining a risk degree according to the user information, and correcting the risk degree according to the voltage data; performing level calibration on the voltage nodes through the corrected risk degree, and determining the monitoring density of the voltage nodes to select monitoring points; establishing a charging network containing monitoring points, and acquiring electric power information based on the monitoring points; matching the electric power information and the voltage data under the time domain condition of the monitoring point, fitting the probability function of each voltage node under the electric power information, determining a monitoring node, and judging the abnormal condition of the instantaneous voltage data of the monitoring node through a quartile algorithm. Safety protection threshold dynamic level-to-level management is carried out on charging of the electric vehicle, so that the safety problems of overload, overheating and the like cannot occur in the charging process, real-time charging safety protection is realized, and the service life of a battery is prolonged.
本发明公开了一种电动汽车实时充电安全防护阈值动态分级方法及系统,涉及电动汽车充电安全技术领域,遍历电压节点,基于电压节点获取电压数据;根据用户信息确定风险度,根据电压数据修正风险度;通过修正后的风险度对电压节点进行级别标定并以此确定电压节点的监测密度来选取监测点;建立含有监测点的充电网络,基于监测点获取电力信息;在监测点的时域条件下匹配电力信息和电压数据,拟合电力信息下各电压节点的概率函数,确定监督节点,通过四分位算法对监督节点的瞬时电压数据异常情况进行判定。对电动汽车充电进行安全防护阈值动态分级管理,以确保充电过程中不会出现过载、过热等安全问题,实现实时充电安全防护,延长电池的使用寿命。
Electric vehicle real-time charging safety protection threshold dynamic grading method and system
一种电动汽车实时充电安全防护阈值动态分级方法及系统
2024-04-12
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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