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    Train detection system for railroad grade crossing
    3.
    发明授权
    Train detection system for railroad grade crossing 失效
    用于铁路等级交叉的火箭检测系统

    公开(公告)号：US3725699A

    公开(公告)日：1973-04-03

    申请号：US3725699D

    申请日：1971-01-19

    申请人： WESTINGHOUSE AIR BRAKE CO

    发明人： PASCOE F

    IPC分类号： B61L13/00 ,  B61L23/00

    CPC分类号： B61L13/005

    摘要： Laser beam presence detection apparatus is positioned to detect a railroad car occupying any part of the crossing portion of a stretch of track which intersects other tracks in a railroad grade crossing. The laser detector thus checks the occupancy condition of the track portion which is insulated from the adjacent conventional track circuit on each side but is long enough to hold a complete car which does not then shunt the track circuit. The laser detector and the track circuit relay jointly control a stick relay normally held energized solely by the track relay. The laser apparatus is approach energized by the release of the stick relay when a train initially occupies either part of the adjacent track circuit. The stick relay is reenergized only when the track relay and the laser detector each record a nonoccupied condition for the corresponding section of the crossing track. The stick relay controls the entering signal circuits for all possible conflicting routes through the crossing area but simultaneous parallel moves are permitted.

    摘要翻译： 激光束存在检测装置被定位成检测铁路车辆，其占据与铁路坡口中的其他轨道相交的一段轨道的交叉部分的任何部分。 因此，激光检测器检查轨道部分的占用情况，该轨道部分在每侧都与相邻的传统轨道电路绝缘，但是足够长以保持一个完整的轿厢，然后不再将轨道电路分路。 激光检测器和跟踪电路继电器共同控制通常由轨道继电器通电的棒式继电器。 当火车最初占据相邻轨道电路的任一部分时，通过释放棒式继电器来激活激光装置。 轨道继电器和激光检测器每个都记录交叉轨道的相应部分的非占用条件时，只能再次通电。 棒式继电器通过交叉区域控制进入信号电路的所有可能的冲突路线，但允许并行移动。

    DETECTION OF DYNAMIC TRAIN-TO-RAIL SHUNTING PERFORMANCE
    10.
    发明申请
    DETECTION OF DYNAMIC TRAIN-TO-RAIL SHUNTING PERFORMANCE 有权
    动态火车对轨道分析性能的检测

    公开(公告)号：US20160257320A1

    公开(公告)日：2016-09-08

    申请号：US14635136

    申请日：2015-03-02

    申请人： Siemens Industry, Inc.

    发明人： Brian Harp

    IPC分类号： B61L13/00 ,  B61L13/04

    CPC分类号： B61L13/002 ,  B61L1/20 ,  B61L13/005 ,  B61L13/04 ,  B61L23/041 ,  B61L27/0088 ,  B61L29/226

    摘要： Systems and methods for detecting the dynamic train-to-rail shunting performance of a train as it is moving along the rails of a railroad track. The systems and methods use portable equipment temporarily installed at a site where it is desired to test the shunting of one or more trains or the electrical equipment installed at the track. The systems and method use sensor plates and a high speed recording system to simultaneously capture measured train-to-rail shunting characteristics and the positioning of a train's axles and any rail conditions impacting the measurements. The captured information can be used to fine tune the train, the electrical equipment installed at the track and/or to design new devices.

    摘要翻译： 用于检测列车沿轨道轨道移动的动态列车到轨道分流性能的系统和方法。 这些系统和方法使用临时安装在需要测试一个或多个火车或安装在轨道上的电气设备的分流的场所的便携式设备。 系统和方法使用传感器板和高速记录系统来同时捕获测量的轨到轨分流特性以及列车轴的定位以及影响测量的任何轨道条件。 捕获的信息可用于微调火车，安装在轨道上的电气设备和/或设计新设备。