The invention relates to the technical field of stack gas shortage judgment, and discloses a stack gas shortage judgment method, a fuel cell, a vehicle, equipment and a storage medium, if the current density is a first preset value, whether the average monolithic voltage of the fuel cell is smaller than or equal to a first preset voltage is judged; if the current density of the flow resistance of the air path or the hydrogen path is a second preset value, judging whether the flow resistance, detected in real time under the condition that the current density is the second preset value, of the fuel cell is reduced by a first proportion value or a second proportion value relative to the empirical flow resistance under the normal condition of the second preset value; if the current density is a third preset value and the fuel cell runs for a preset time, judging whether the increase of the average single-chip voltage before and after the fuel cell runs for the preset time when the current density is the third preset value is less than or equal to a second preset voltage; and if all the judgment results are positive, judging that the air shortage phenomenon exists in the electric pile. According to the invention, analysis and positioning are carried out through background data, and whether an air shortage phenomenon occurs in the electric pile can be rapidly positioned according to vehicle operation data.

    本发明涉及电堆欠气判定技术领域,公开了一种电堆欠气判定方法、燃料电池、车辆、设备及存储介质,若电密为第一预设值时,判断燃料电池的平均单片电压是否小于等于第一预设电压;若空气路或氢气路流阻在电密为第二预设值时,判断燃料电池在电密为第二预设值的情况下实时检测到的流阻,相对于第二预设值正常情况下的经验流阻是否降低了第一比例值或第二比例值;若电密为第三预设值并运行预设时间时,判断燃料电池在电密为第三预设值时运行预设时间前后的平均单片电压的提升是否小于等于第二预设电压;若上述判断结果均为肯定,即判定电堆存在欠气现象。本发明通过后台数据进行分析定位,根据车辆运行数据即可快速定位出电堆是否发生欠气现象。


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    Title :

    Electric pile gas shortage judgment method, fuel cell, vehicle, equipment and storage medium


    Additional title:

    电堆欠气判定方法、燃料电池、车辆、设备及存储介质


    Contributors:
    ZHANG YAN (author) / XU YUNFEI (author) / LI FEIQIANG (author) / ZHANG GUOQIANG (author)

    Publication date :

    2023-10-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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