An embodiment of the invention discloses a geomagnetic detector and a control method thereof. The geomagnetic detector comprises a micro-control unit, a Hall switch module and a power supply management module, and the Hall switch module is used for generating Hall potential when an external magnetic field of the geomagnetic detector exceeds a working threshold; the MCU is used for controlling the geomagnetic detector to switch the working state according to the Hall potential; and the MCU is also used for controlling the power supply management module to output a working voltage corresponding to the working state to the MCU. The MCU detects the external field intensity of the geomagnetic detector through the Hall switch module, the working state of the geomagnetic detector is switched and the output voltage of a lithium battery is adjusted according to the detected external field intensity, the power consumption of the geomagnetic detector is different in different working states, the division of the working states reduces the power consumption of the geomagnetic detector, and then the service life of the lithium battery is prolonged, and the working performance of the geomagnetic detector is ensured.

    本申请实施例公开了一种地磁检测器及其控制方法,该地磁检测器包括微控制单元、霍尔开关模块和电源管理模块,所述霍尔开关模块,用于在所述地磁检测器的外部磁场超过工作阈值时产生霍尔电势;所述MCU,用于根据所述霍尔电势控制所述地磁检测器切换工作状态;所述MCU,还用于控制所述电源管理模块向所述MCU输出与所述工作状态对应的工作电压。MCU通过霍尔开关模块检测地磁检测器的外部场强,并根据检测到的外部场强切换地磁检测器的工作状态和调整锂电池的输出电压,不同工作状态下,地磁检测器的功耗不同,工作状态的划分降低了地磁检测器的功耗,进而延长锂电池的使用时长,同时也保证了地磁检测器的工作性能。


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    Titel :

    Geomagnetic detector and control method thereof


    Weitere Titelangaben:

    地磁检测器及其控制方法


    Beteiligte:
    SHEN JUN (Autor:in) / ZHU HONGMEI (Autor:in) / YU FENGQI (Autor:in)

    Erscheinungsdatum :

    2021-04-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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