The invention discloses a method and device for correcting SOH based on a big data platform, electronic equipment and a medium. The method comprises the following steps: acquiring the maximum allowable charging power, the maximum allowable discharging power and the current residual electric quantity of a current value when a power battery of a target vehicle works; calculating the high-power charging and discharging times of the power battery according to the maximum allowable charging power and the maximum allowable discharging power to obtain target charging and discharging times; according to the current residual electric quantity, calculating the deep discharge frequency of the power battery to obtain a target deep discharge frequency; according to the current value, calculating the number of cycles of the battery to obtain a target number of cycles of the battery; and correcting the current SOH of the target vehicle by using the target charge and discharge times, the target depth discharge times, the target battery cycle times and predetermined vehicle data to obtain a target SOH. According to the technical scheme, the adaptability to different driving habits is high, the SOH precision of the power battery is greatly improved, and the service life of the power battery is prolonged.
本发明公开了基于大数据平台修正SOH的方法、装置、电子设备及介质。该方法包括:获取目标车辆的动力电池工作时的最大允许充电功率、最大允许放电功率、电流值当前剩余电量;根据最大允许充电功率和最大允许放电功率对动力电池大功率充放电次数进行计算,得到目标充放电次数;以及,根据当前剩余电量对动力电池深度放电次数进行计算,得到目标深度放电次数;以及,根据电流值对电池循环次数进行计算,得到目标电池循环次数;利用目标充放电次数、目标深度放电次数、目标电池循环次数以及预先确定的车辆数据,对目标车辆的当前SOH进行修正,得到目标SOH。本技术方案,对不同驾驶习惯的适应性强,较大提高动力电池SOH精度,延长了动力电池的寿命。
Method and device for correcting SOH based on big data platform, electronic equipment and medium
基于大数据平台修正SOH的方法、装置、电子设备及介质
2023-07-04
Patent
Electronic Resource
Chinese
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr |
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