The invention discloses a subway track section occupation detection system based on a visible light communication technology. The subway track section occupation detection system comprises two visiblelight transmitting modules which are installed at two ends of a train and are electrically connected to a vehicle-borne controller, and a light receiving module which is electrically connected to a trackside area controller. The visible light emitting module at the head or the tail of the train modulates the train operation information to a visible light signal emitted by an LED light source; after the visible light receiving module establishes communication with the visible light emitting module of the train head, the trackside area controller judges that the train occupies a track section associated with the visible light receiving module; and after the visible light receiving module and the visible light emitting module at the tail of the train establish communication and are disconnected, the trackside area controller judges that the train leaves the track section associated with the visible light receiving module. According to the invention, the visible light communication technology is utilized to obtain the information of the rail section occupied by the train, thereby becoming a backup means for CBTC train positioning.

    本发明公开了一种基于可见光通信技术的地铁轨道区段占用检测系统,包括:分别安装在列车两端,并与车载控制器电连接的两个可见光发射模块;与轨旁区域控制器电连接的可见光接收模块。列车头或列车尾的所述可见光发射模块将列车运行信息调制到LED光源发出的可见光信号上;所述可见光接收模块与列车头的所述可见光发射模块建立通信后,所述轨旁区域控制器判断该列车占用了所述可见光接收模块相关联的轨道区段;所述可见光接收模块与列车尾的所述可见光发射模块建立通信并断开后,所述轨旁区域控制器判断该列车离开所述可见光接收模块相关联的轨道区段。本发明利用可见光通信技术获得列车占有轨道区段的信息,成为CBTC列车定位的后备手段。


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    Titel :

    Subway track section occupation detection system and method based on visible light communication technology


    Weitere Titelangaben:

    基于可见光通信技术的地铁轨道区段占用检测系统及方法


    Beteiligte:
    ZHU YING (Autor:in)

    Erscheinungsdatum :

    2020-10-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / H04B TRANSMISSION , Übertragung



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