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    • 4. 发明申请
    • METHOD AND DEVICE FOR EVALUATION OF MEASUREMENT DATA IN RAILWAY TRACK CIRCUITS
    • 方法和设备是用于评估数据登录铁路轨道电路
    • WO2008052643A2
    • 2008-05-08
    • PCT/EP2007008808
    • 2007-10-10
    • SIEMENS SCHWEIZ AGELLENBERGER PETERSCHLUER TOBIAS
    • ELLENBERGER PETERSCHLUER TOBIAS
    • B61L1/18
    • B61L1/187B61L23/166
    • A device and a method for operation of railway track circuits are disclosed, which have an associated section length which is restricted at both ends by track isolation. The following procedure is used for reliable identification of the states of FREE, BUSY and DISTURBED within a predetermined time limit. A transmitted signal is fed into the rail body at one of the two section ends. The received signal is output at the opposite end, and is passed on for analysis. The transmitted signal that is fed in is sinusoidal. The frequency is switched cyclically between two discrete values. Three evaluation channels are operated at the receiving end. The information is A/D-converted for all three channels. Two channels have a bandpass input filter, which is matched to pass the channel (1) with the frequency that is currently being transmitted, for the other channel (2) with the frequency which is not being transmitted. The busy state is detected by the channel (1). The currently occurring disturbance influence is measured by the channel (2). The channel (3) carries out sampling in the respective transmission interval, and evaluates the calculated FFT results. Further data is obtained from this information. Data that may be mentioned in this case includes isolation shock bridging, disturbance influences and further process-relevant variables.
    • 中公开的装置和轨道电路,其具有由一个绝缘轨道两侧上限定的相关联的部分的长度的操作的方法。 免费,BUSY和嘈杂在如下给定时间限制的状态的可靠检测被移动。 在传输信号的两个部分的端部中的一个被供给到导轨主体。 在相反侧,接收的信号被耦合出并馈送到分析。 所注入的发送信号是正弦的。 频率被循环地切换在两个离散值之间。 在接收侧的三个评价信道操作。 的信息被转换为所有三个通道A / D。 对于当前频率的信道(1)被发送,对其它信道(2)的尚未发送适于通过两个信道的频率通过的带通Eingangsf有ILTER。 与信道被检测到(1)的拥塞状态。 与通道(2)被测量,当前的实际干扰。 信道(3)是在每个传输时间间隔取样,并从计算所计算的FFT结果。 从这个信息中,获得额外的数据。 拿的都是绝缘接头桥接,干扰等过程相关的大。