JP2007302077A - Train control device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a train control device which detects a train in simple constitution and reduces facility cost by transmitting speed control information and various control information to the train from the ground and transmitting state information to the ground from the train. <P>SOLUTION: Information between the train 1 and the ground is transmitted by using only an ATC/TD loop by transmitting a check-in signal of a digital code method including the state information to the ground from the train 1 and also by transmitting an ATC signal of a digital code method having speed limit information of a closed territory 2T on the ground. It is not necessary to provide an information transmission loop to transmit the various information between the train 1 and the ground separately from the ATC/TD loop 10, and cost reduction is made by simplifying an information transmission system between the train 1 and the ground. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a train control device for various control information and status information between a train using a rubber tire type vehicle or a floating type vehicle, for example, and the like, and particularly to reduction of equipment.

  For example, as shown in Patent Document 1 and Patent Document 2, for example, a train detection method using a check-in / check-out method to detect the position of a train using a rubber tire vehicle or the like is employed. As shown in FIG. 2, the train operated by this check-in / check-out method has an on-board device 21 and antennas 3 and 4 provided at the front and rear lower portions of the train 1. The on-board device 21 includes a check-in signal transmitter 22, a check-out signal transmitter 23, an ATC receiver 24, and a control unit 25. The check-in signal transmitter 22 constantly transmits a check-in signal to the ground from the antenna 3 provided at the front of the train 1, and the check-out signal transmitter 23 transmits a check-out signal having a frequency different from that of the check-in signal to the rear of the train 1. Is constantly transmitted to the ground from the antenna 4 provided in The ATC signal receiver 24 receives an ATC signal from the antenna 3 provided in the front part of the train 1. The control unit 25 controls the train speed and the like based on the ATC signal received by the ATC signal receiver 24.

  The ground device 26 is laid along the travel path for each of the closed sections 1T to 3T of the travel path of the train 1, and detects the check-in signal and the check-out signal transmitted from the train 1, and the ATC / TD loop 10; And an ATC / TD ground device 27 connected to the ATC / TD loop 10. The ATC / TD ground device 27 generates an ATC signal for controlling the speed and the like of the train 1 based on information from the operation management device 12 and transmits the ATC signal to the ATC / TD loop 10, and the ATC / TD loop 10. And a TD receiving unit 29 that receives the check-in signal and the check-out signal detected in step S1 and detects whether a train is present in each block section.

  For example, when the train 1 enters the block section 2T and a check-in signal is transmitted from the antenna 3 provided at the front of the train 1 to the ATC / TD loop 10, the TD receiver 29 checks the check-in superimposed on the ATC signal. When the signal is extracted and it is determined that the head of the train 1 has entered the closed section 2T, and the checkout signal is transmitted from the antenna 4 provided at the rear of the train 1 to the ATC / TD loop 10, the TD receiver 29 A checkout signal superimposed on the ATC signal is extracted, and it is determined that the tail of the train 1 has entered the block section 2T, and it is determined that the train 1 has been on the block section 2T. When the check-in signal and the check-out signal are not extracted, the TD receiving unit 29 determines that the last end of the train 1 has advanced from the block section 2T, and determines that the train 1 does not exist in the block section 2T.

  On the other hand, when the train 1 enters the block section 2T and receives the ATC signal transmitted to the ATC / TD loop 10 by the ATC receiver 24 via the antenna 3 provided at the front of the train 1, the control unit 25 The brake of the train 1 is controlled by the received ATC signal to control the speed of the train 1.

In order to transmit the status information of the train 1 such as safety monitoring, emergency notification, vehicle status display, etc. to the ground and to send various control commands to the train 110 from the ground, an information transmission loop is separately provided on the ground separately from the ATC / TD loop. 30 and an information transmission ground device 31, and the train 1 is provided with an information transmitter / receiver 32 and an information transmission antenna 33. Then, the state information of the train 1 is transmitted from the information transmitter / receiver 32 to the ground by the information transmission antenna 33, the transmitted state information is received by the information transmission ground device 31 via the information transmission loop 30, and sent to the operation management device 12. The state of the train 1 is monitored by the operation management device 12, various control information from the ground is transmitted from the information transmission ground device 31 to the information transmission loop 30, and the transmitted various control information is transmitted by the information transmitter / receiver 32 to the information transmission antenna. The control unit 25 controls various states of the train 1 based on the received various control information.
JP 20002-67957 A

  As described above, an information transmission loop and an information transmission ground device are provided separately from the ATC / TD loop on the ground, and an information transmitter / receiver and a transmission antenna are provided on the train to transmit train status information and various control information from the ground. As a result, the system configuration is complicated.

  The present invention improves such disadvantages, can detect a train with a simple configuration, transmits speed control information and various control information from the ground to the train, transmits state information from the train to the ground, and reduces equipment costs. An object of the present invention is to provide a train control device that can perform the above.

  The train control device of the present invention has an on-board device and a ground device, the on-board device has a train detection signal transmitter, an ATC signal receiver, and a processing control unit, and the train detection signal transmitter is The train detection signal of the digital code system including the train status information is constantly transmitted to the ground from the antenna provided at the front and rear of the train, and the ATC signal receiver receives the speed limit information from the antenna provided at the front of the train. The digital code ATC signal having various control information is received, the speed limit information and the various control information are extracted from the received ATC signal and sent to the processing control unit, and the processing control unit uses the received speed limit information. The speed of the train is controlled, and various states of the train are controlled based on the various control information sent. The ground device includes an ATC / TD loop laid along the traveling path for each block section, and the ATC / TD loop. Train detection / information transmission device connected to the train, and the train detection / information transmission device and an operation management device for managing various types of control information and the like, and managing the train operation, the train detection / information transmission device The ATC signal of the digital code system having the speed limit information of each block section and various control information of the train is generated by the information output from the operation management device and transmitted to the ATC / TD loop, and transmitted from the train. Train detection signal is received via ATC / TD loop, and it is detected whether the train is in each block section by the received train detection signal, and the train status information is extracted from the received train detection signal to manage the operation Characterized by sending to the device.

  This invention transmits a train detection signal of a digital code system including state information from a train to an ATC / TD loop on the ground, and detects whether a train is present in each block section from the received train detection signal on the ground. Train status information is extracted, ATC signal of digital code system having speed limit information and various control information of trains from the ground is transmitted to the ATC / TD loop, and the train receives speed limit information from the received ATC signal. And various control information is extracted, the speed of the train is controlled by the speed limit information, and the various states of the train are controlled by the various control information. Therefore, only the ATC / TD loop is used for information between the train and the ground. It is not necessary to provide an information transmission loop for transmitting various information between the train and the ground separately from the ATC / TD loop. It is possible to reduce the equipment cost of the information transmission system between ground simplified.

  FIG. 1 is a block diagram of the train control device of the present invention. For example, a train control device that controls a train using a rubber tire vehicle or the like includes an on-board device 2 mounted on the train 1, antennas 3 and 4, and a ground device 5 provided at the front and rear lower portions of the train 1. The on-board device 2 includes a check-in signal transmitter 6, a check-out signal transmitter 7, an ATC signal receiver 8, and a processing control unit 9. The check-in signal transmitter 6 is an antenna 3 provided with a digital code-type check-in signal in front of the train 1 including state information such as safety monitoring, emergency notification, vehicle state display, etc. sent from the processing control unit 9. The checkout signal transmitter 7 always transmits a checkout signal to the ground from the antenna 4 provided at the rear part of the train 1. The ATC signal receiver 8 receives an ATC signal from the antenna 3 provided in the front part of the train 1. The processing control unit 9 manages the state information of the train 1 and controls the speed and the like of the train 1 by the ATC signal received by the ATC signal receiver 8.

  The ground device 5 includes a train detection / information transmission device 11 connected to the transmission loop, a train detection / information transmission device 11 connected to the transmission loop, and a train detection. -It has the information transmission apparatus 11 and the operation management apparatus 12 which delivers various control information etc. and manages operation | movement of the train 1. FIG. The train detection / information transmission device 11 includes an information transmission unit 13 and a TD signal reception unit 14. The information transmission unit 13 generates a digital code type ATC signal having the speed limit information of each block section 1T to 3T and various control information of the train 1 based on the information output from the operation management device 12, and the generated ATC signal is ATC. / TD Loop 10 is transmitted. The TD signal receiving unit 14 receives the check-in signal and the check-out signal transmitted from the train 1 via the ATC / TD loop 10, and trains in each closed section 1T to 3T by the received check-in signal and check-out signal. Whether or not 1 is present is detected and status information of the train 1 is extracted from the check-in signal and sent to the operation management device 12.

  The operation when the train 1 is detected in the closed section 2T and the operation of the train 1 is managed by this train control device will be described.

  The information transmission unit 13 of the train detection / information transmission device 11 generates and generates a digital code type ATC signal having speed limit information of the block section 2T and various control information of the train 1 based on information output from the operation management device 12. The ATC signal thus transmitted is transmitted to the ATC / TD loop 10. In this state, when the train 1 enters the closed section 2T and the check-in signal of the digital code system including the state information of the train 1 is transmitted to the ATC / TD loop 10 from the antenna 3 provided at the front of the train 1, The TD signal receiving unit 14 extracts the check-in signal superimposed on the ATC signal, determines that the head of the train 1 has entered the block section 2T, and extracts the determination result and the state information of the train 1 included in the check-in signal. To the operation management device 12. The operation management device 12 generates various control information of the train 1 based on the sent state information of the train 1 and sends it to the information transmission unit 13. The information transmission unit 13 generates an ATC signal having various control information sent and transmits it to the ATC / TD loop 10. When the ATC signal receiver of the train 1 receives the ATC signal transmitted to the ATC / TD loop 10 via the antenna 3, it extracts the speed limit information of the block section 2T and various control information of the train 1 from the received ATC signal. To the processing control unit 9. The process control unit 9 controls the speed of the train 1 in the block section 2T by performing the brake control of the train 1 based on the speed limit information sent, and controls the various states of the train 1 based on the various control information sent.

  In this state, when the train 1 travels and a checkout signal is transmitted from the antenna 4 provided at the rear of the train 1 to the ATC / TD loop 10 and the TD signal receiver 14 extracts the checkout signal, the TD signal receiver 14 Determines that the last tail of the train 1 has entered the block section 2T and the train 1 has been in the block section 2T. When the train 1 further advances and advances from the block section 2T and the TD signal receiving unit 14 does not receive the check-in signal and the check-out signal, the train 1 leaves the block section 2T and the train 1 is in the block section 2T. It is determined not to be sent, and the determination result is sent to the operation management device 12.

  In this way, a digital code check-in signal including state information is transmitted from the train 1 to the ground, and on the ground, a digital code ATC signal having speed limit information of the block section 2T and various control information of the train 1 is transmitted. Thus, information can be transmitted between the train 1 and the ground using only the ATC / TD loop 10, and an information transmission loop for transmitting various types of information between the train 1 and the ground is defined as ATC / TD. There is no need to provide it separately from the loop 10, and the information transmission system between the train 1 and the ground can be simplified to reduce the cost.

  In the above description, the state information of the train 1 is included only in the check-in signal. However, the state information of the train 1 may be included only in the check-out signal, and both the check-in signal and the check-out signal are included. May include state information of the train 1.

It is a block diagram of the train control apparatus of this invention. It is a block diagram of the conventional train control apparatus.

Explanation of symbols

1; train, 2; on-board device, 3, 4; antenna, 5; ground device,
6; check-in signal transmitter, 7; check-out signal transmitter,
8; ATC signal receiver, 9; processing control unit, 10; ATC / TD loop,
11; Train detection / information transmission device, 12; Operation management device, 13; Information transmission unit,
14: TD signal receiver.

Claims (1)

An on-vehicle device and a ground device,
The on-board device has a train detection signal transmitter, an ATC signal receiver, and a processing control unit,
The train detection signal transmitter always transmits a digital code train detection signal including train status information from the antennas provided at the front and rear of the train to the ground, and the ATC signal receiver is provided at the front of the train. Receiving a digital code ATC signal having speed limit information and various control information from the antenna, extracting the speed limit information and various control information from the received ATC signal, and sending them to the processing control unit. Control the speed of the train with the speed limit information sent, control the various states of the train with the various control information sent,
The ground device includes an ATC / TD loop laid along a traveling path for each block section, a train detection / information transmission device connected to the ATC / TD loop, the train detection / information transmission device, and various controls. An operation management device that sends and receives information and manages train operations,
The train detection / information transmission device generates a digital code type ATC signal having speed limit information of each block section and various control information of trains based on information output from the operation management device, and transmits the ATC signal to the ATC / TD loop. The train detection signal transmitted from the train is received via the ATC / TD loop, and whether the train is present in each block section by the received train detection signal and the train state from the received train detection signal is detected. A train control device that extracts information and sends it to an operation management device.

Images