The invention relates to a method for diagnosing overheating of a system for cooling an electrical circuit in a motor vehicle comprising at least one electrical machine for propelling the vehicle and at least one electrical element associated with the electrical machine to be cooled. The method comprises a step of determining a first lower threshold equal to an external temperature in an environment of the vehicle and a second threshold (MIN) equal to the minimum between a third configurable threshold (411) and the highest temperature (MAX) of the temperatures (406 to 409) of said at least one electrical machine and an electrical element, a step of comparing the recorded temperature (410) of the fluid to the first and second thresholds (MIN). When the recorded temperature (410) is not included between the first and second thresholds (MIN), a step (200) of diagnosing the cooling system as being overheated is performed.

    本发明涉及一种用于在机动车辆中冷却电路的冷却系统的过热诊断方法,所述电路包括用于推进所述车辆的至少一个电机和与要冷却的所述电机相关联的至少一个电气元件。所述方法包括用于确定第一下部阈值和第二阈值(MIN)的确定步骤,所述第一下部阈值等于在所述车辆的环境中的外部温度,所述第二阈值等于在可定参的第三阈值(411)与所述至少一个电机和电气元件的温度(406至409)中的最高温度(MAX)之间的最小值,并且所述方法包括用于将所述流体的被记录的温度(410)与第一阈值和第二阈值(MIN)进行比较的比较步骤。当所述被记录的温度(410)不在第一阈值与第二阈值(MIN)之间时,执行用于诊断所述冷却系统处于过热的诊断步骤(200)。


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    Titel :

    METHOD FOR DIAGNOSING SYSTEM FOR COOLING ELECTRICAL PROPULSION CIRCUIT


    Weitere Titelangaben:

    推进电路的冷却系统的诊断方法


    Beteiligte:
    MIQUEL CLAIRE (Autor:in) / CHARDEL FABRICE (Autor:in)

    Erscheinungsdatum :

    2021-11-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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