The invention provides a vehicle, a power battery monitoring device and a DC/DC module awakening method. When the set awakening time interval reaches the awakening moment of a DC/DC module, and a battery management system has no external power supply, the DC/DC module is awakened to work, the running state of the power battery is detected in the process that the DC/DC module is awakened to run, and if the power battery has no fault, the awakening time interval is correspondingly increased, a first amplitude is increased, and the first amplitude is greater than or equal to a first set value; and if the power battery has a fault, the awakening time interval is not changed, or the awakening time interval is correspondingly reduced, or the awakening time interval is correspondingly increased and a second amplitude is increased, the second amplitude is less than a second set value, and the first set value is less than the second set value. The reliability of power supply of the power battery is improved, and meanwhile, when the battery management system has no external power supply, the time interval is set to wake up the DC/DC module, so that the energy loss of the power battery is reduced.
本发明提供了一种车辆、动力电池监控装置及DC/DC模块唤醒方法,当经过设定唤醒时间间隔达到DC/DC模块唤醒时刻,且电池管理系统无外部供电时,则唤醒DC/DC模块工作,在其被唤醒而运行的过程中,检测动力电池的运行状态,如果动力电池没有故障,则对应增大唤醒时间间隔且增大第一幅度,第一幅度大于等于第一设定值;如果动力电池存在故障,则不改变唤醒时间间隔,或者对应减小唤醒时间间隔,或者对应增大唤醒时间间隔且增大第二幅度,第二幅度小于第二设定值,其中,第一设定值小于第二设定值。本发明提高了动力电池供电的可靠性,同时,在电池管理系统无外部供电时,设置时间间隔唤醒DC/DC模块,减少了动力电池的能量损耗。
Vehicle, power battery monitoring device and DC/DC module awakening method
一种车辆、动力电池监控装置及DC/DC模块唤醒方法
2020-07-31
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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