The invention discloses a system for detecting pedestrian flow by coupling ground induction coils, and relates to the field of pedestrian flow monitoring. The pedestrian flow detection system comprises a ground induction coil device, a trigger device, a detection device and an information processing device. A trigger device is connected with a pedestrian crossing signal lamp, a red lamp is turned on, the ground induction coil device is triggered to enter a working state, the working frequency is increased, a signal lamp waiting area generates a variable-frequency magnetic field harmless to human bodies, and an initial interference value X < initial > of the magnetic field is recorded; a pedestrian enters the signal lamp waiting area; before the detection device detects that a green lamp is turned on, an interference value X < tail > of the magnetic field is turned on; the ground induction coil device enters a sleep standby state; the information processing device records an average interference value X0 of pedestrians on the magnetic field and the number of pedestrians passing through the intersection in the period (N is an integer). The system is low in construction difficulty, short in period, low in maintenance cost and easy to be widely applied to medium common or underdeveloped areas; the system has strong anti-interference performance and strong stability, and is not influenced by severe weather such as rain, snow, heavy fog and the like.

    本申请公开了一种耦合地感线圈检测行人流量的系统,涉及人流量监测领域。行人流量检测系统包括地感线圈装置,触发装置,检测装置,信息处理装置;触发装置连接人行横道信号灯,红灯亮,触发地感线圈装置进入工作状态,增加工作频率,信号灯等待区产生对人体无害的变频磁场,记录对磁场初始干扰值X初,行人进入信号灯等待区,检测装置检测绿灯亮前,对磁场的干扰值X末,绿灯亮,地感线圈装置进入休眠待机状态;信息处理装置记录有行人对磁场的平均干扰值X0,该周期通过路口的行人数量(N取整数)。本系统施工难度低、周期短,维护成本低,易在中等普通或欠发达地区普遍应用;抗干扰性强,稳定性强,不受雨雪大雾等恶劣天气影响。


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    Title :

    System for detecting pedestrian flow by coupling ground induction coil


    Additional title:

    一种耦合地感线圈检测行人流量的系统


    Contributors:
    WANG SHIYUAN (author) / CHAI JIANGWU (author) / WANG CHUAN (author)

    Publication date :

    2023-08-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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