train security system
A security system and train technology, which is applied to the control system of the transportation center, railway car body components, railway signals and safety, etc., can solve the problem that the position information cannot be used for position reporting, etc., and achieve a clear structure and effect, and improve safety. Effect
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Embodiment 1
[0053]
[0054] figure 1 It is a figure which shows the structure of the train security system of this invention.
[0055] The train 1 is equipped with: a speed signal generator 2 outputting a rotational speed from the wheels of the train 1; an on-board device 4 having a function of speed inspection based on a signal from the ground device 3 and the train speed output from the speed signal generator 2; The battery 5 that supplies power to each device on the train 1; the power cut off warning signal 6 that warns the power cut off from the train 1 to the on-board device 4 before the fixed time of cutting off the power output from the battery 5; stores the position information of the train 1, internal recording medium 7 for internal information such as status; There is a ground beacon 8 for the vehicle-mounted device 4 to detect the position of the train 1 on the route on which the train 1 travels.
[0056] In addition, in addition to the position information of the train 1, th...
Embodiment 2
[0092]
[0093] Next, use Figure 8 as well as Figure 9 Problem 2 in the conventional recording system of train internal information will be described. In the case of Problem 2, when the power supply of the train 1 was cut off, the power interruption warning signal 6 was not input to the on-board device 4 due to a failure, etc., so the current train position information could not be accurately recorded in the recording medium 7, and the last time the power supply was turned off. The train position information at the time of cutoff is still kept in the recording medium 7, and the kept train position information will be reported to the ground device 3 when the power is cut off next time. use Figure 8 as well as Figure 9 Describe the event.
[0094] Figure 8 It is a diagram showing the state of the train when it is running while the internal information 17 is held in the recording medium 7 . Such as Figure 8 As shown, when the power-off warning signal 6 is input fro...
Embodiment 3
[0118]
[0119] Next, use Figure 12 An example in which the power-off warning signal 6 is mistakenly input will be described. Figure 12 It is a diagram showing a conventional recording operation 3 of the internal information 17 on the recording medium 7 .
[0120] If the power-off warning signal 6 is mistakenly input while the train 1 is running, the on-vehicle device 4 will record it in the recording medium 7 even when it does not record the internal information 17 that should be recorded when the power is turned off. That is, in this situation, the train 1 is running, and the train position is changing every moment, so the train position information recorded along with the wrong input of the power-off warning signal 6 during the travel is invalid, and cannot Used as a train position report at the next power up.
[0121] Figure 12 In , the recording status of the train position information when a power-off warning signal is input at an unintentional timing such as dur...
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