The invention provides a liquid level detection system, a liquid level detection method and a vehicle controller. The system comprises a liquid level sensor, a sensor power supply circuit, a liquid level signal acquisition circuit and a control module, the control module is configured to output an opening signal to the sensor power supply circuit when a liquid level detection scene requirement exists so as to control the liquid level sensor to be in a power-on state; when the liquid level detection scene requirement does not exist, a turn-off signal is output to the sensor power supply circuit so as to control the liquid level sensor to be in a power-off state; the liquid level signal acquisition circuit is configured to acquire voltage data of the input end of the liquid level sensor when the liquid level sensor is in a power-on state; the control module is configured to obtain the liquid level state information of the liquid storage tank to be detected according to the voltage data of the input end of the liquid level sensor. Power supply and signal acquisition of the liquid level sensor can be carried out only under the situation that liquid level detection needs exist, and therefore liquid level misjudgment caused by long-term power-on of the liquid level sensor can be prevented.

    本发明提供了一种液位检测系统、液位检测方法和车辆控制器,该系统包括液位传感器、传感器供电电路、液位信号采集电路和控制模块;控制模块配置为在存在液位检测场景需求时,向传感器供电电路输出开信号,以控制液位传感器处于通电状态;在不存在液位检测场景需求时,向传感器供电电路输出关信号,以控制液位传感器处于断电状态;液位信号采集电路配置为在液位传感器处于通电状态时,采集液位传感器的输入端的电压数据;控制模块配置为根据液位传感器的输入端的电压数据,获取待检测储液罐的液位状态信息。本发明可以仅在有液位检测需求的情景下进行液位传感器的供电和信号采集,从而可以防止因液位传感器长期通电所导致的液位误判。


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    Titel :

    Liquid level detection system, liquid level detection method and vehicle controller


    Weitere Titelangaben:

    液位检测系统、液位检测方法和车辆控制器


    Beteiligte:
    ZHENG YUE (Autor:in) / WANG SHUAI (Autor:in)

    Erscheinungsdatum :

    07.01.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / G01F Messen des Volumens, des Durchflussvolumens, des Massendurchflusses oder des Füllstandes , MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL



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