JP2004276665A - Train operating situation display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To change (repair) a software of a TID terminal unit in even a railroad section of an operation for 24 hours when requiring the software to be changed due to a linear change, etc. <P>SOLUTION: In this train operating situation display device, TID information prepared in a TID central device installed in a CTC center is transmitted to the TID terminal unit installed at each station and a prescribed place of an industrial civil service organization via a communication line to display the TID information transmitted to the TID terminal unit. The display device is constituted of a maintenance device provided on the CTC center for repairing the software for the TID terminal unit and preparing the repaired software, a transmission means for transmitting data of the prepared repaired software in parallel to the TID information to the TID terminal unit via the communication line, and a setting means for setting the repaired software to the TID terminal unit when the TID terminal unit receives the data of the repaired software. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a train operation status display device, and more particularly to a train operation status display device that can easily perform a repair operation when software is modified due to a linear change or the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a train operation status display device, a so-called TID (Traffic Information Display) (hereinafter, the train operation status display device is sometimes referred to as TID) is a TID central device installed in a predetermined CTC (Centralized Traffic Control) center. And TID terminals installed at predetermined locations such as stations and operating organizations in the CTC line section are connected by a dedicated TID line, and train position information and train delays aggregated at the CTC center Various types of train operation status information such as information, so-called TID information, can be transmitted from the TID central device to the TID terminal. Therefore, each station or operating organization in the CTC-based line section can receive the TID information as needed and provide it to a passenger service or the like (see Non-Patent Document 1).
[0003]
The TID central device is configured around a CPU, and calculates a train delay time from train position and train number information input from a CTC train number display device and train schedule information, and calculates the calculation. The predetermined TID information can be created based on the input delay information and the delay reason or general information input from the console (keyboard). Then, the created TID information is configured to be transmitted to a TID terminal installed in each station or a working organization through a dedicated TID line. In addition, the TID terminal is mainly configured with a CPU, and is configured to operate a console to display TID information on a display screen.
[0004]
However, when it is necessary to modify software for driving and controlling the TID central unit and the TID terminal due to a linear change such as a change of a departure platform, the conventional TID can be easily changed by a staff member. It can be repaired, but the software of the TID terminal installed at each station or business institution must be repaired by a person in charge of a portable information storage medium such as a flexible disk (FD) or CD-ROM in which the repaired software is stored. It had to be brought around and set around each station and business institution, which had the disadvantage of requiring labor and time.
[0005]
In order to solve the above-mentioned drawbacks, the present applicant first provides a train operation status display device (TID) in Japanese Patent Application No. 2001-284717, which can easily modify software of a TID terminal. ing. That is, the TID according to the earlier proposal uses the TID information created by the TID central device installed in the CTC center via a TID dedicated line, and a TID terminal installed in a predetermined place such as a station or a business institution. A train operation status display device for transmitting the TID information to the TID terminal and displaying the transmitted TID information, wherein the maintenance device provided in the CTC center for modifying the software for the TID terminal and creating the modified software Transmitting means for transmitting the data of the created repair software to the TID terminal via the dedicated TID line; and when the TID terminal receives the data of the repair software, the repair software is transmitted to the TID terminal. And setting means for setting on the device.
[0006]
Hereinafter, the TID according to the above proposal will be described with reference to the schematic configuration diagram of FIG. In FIG. 3, reference numeral 1 denotes a TID central unit installed at a predetermined CTC center C, which is connected to a central LAN L0 installed at the CTC center C, and which is inputted from a CTC train number display device (not shown). It is configured such that predetermined TID information can be created from information on a train position and a train number and information on a train schedule. That is, the CTC central device 1 is configured around a CPU, and based on a predetermined control program of the CPU, based on the information of the train position and the train number and the information of the train schedule, the delay of the train is performed. Time and minute are calculated, and predetermined TID information is created based on the calculated delay information and predetermined information such as a delay reason and other general information input by a staff member from a console (not shown). It is configured. The created TID information is transmitted to each station (shown in the figure) of the CTC line via the switching circuit 2 and the TID dedicated line (this TID dedicated line corresponds to the communication line of the present invention) L1. In the example of (1), the station A, the station B, and the station C) and the operating organization (not shown) are configured to be transmitted. In addition, for simplicity, the description will be made below for these three stations.
[0007]
In FIG. 3, reference numerals 3a, 3b, and 3c denote TID terminals installed at stations A, B, and C, respectively, and conversion units 4a, 4b that convert signals flowing through the TID dedicated line L1 for the TID terminals. , 4c. Although only one TID terminal is shown at each station here, a plurality of TID terminals are usually installed. These TID terminals 3a, 3b, 3c are each configured around a CPU, and can display TID information input from the TID central unit 1 on a display screen (CRT) under a predetermined control program of the CPU. It is configured as follows. In addition, the TID terminal is installed in a predetermined place such as an operating organization requiring TID information other than the above-mentioned station.
[0008]
3, reference numeral 5 denotes a CTC central device installed at the CTC center C, which is connected to a central LAN L0 installed at the CTC center C. The CTC central device 5 connects CTC station devices 6a, 6b and 6c provided at stations A, B and C via a CTC line L2 comprising a two-way communication line. The CTC composed of the CTC central device 5 and the CTC station devices 6a, 6b, 6c is the same as a well-known CTC, and therefore detailed description thereof is omitted, but a train command of a CTC center or a PRC (Program Route Control) device is used. Is configured to be able to operate the train by controlling the traffic light by grasping the operation status of the train in a certain section using the CTC device.
[0009]
In FIG. 3, 7a, 7b, and 7c denote TID terminals 3a, 3b, and 3c provided at stations A, B, and C, respectively, and CTC stations provided at stations A, B, and C, respectively. This is a connection circuit for connecting to the devices 6a, 6b, 6c.
[0010]
In FIG. 3, reference numeral 8 denotes a maintenance device, which comprises a personal computer and is connected to a central LAN L0 laid in the CTC center C. The maintenance device 8 is connected to the TID dedicated line L1 via the connection circuit 9 and the switching circuit 2 for connecting the maintenance device 8 to the TID dedicated line L1. The maintenance device 8 has a function of controlling software for driving each of the TID terminals 3a, 3b, 3c, that is, a function that can be modified by an attendant when the program needs to be modified by linear change or the like.
[0011]
The control operation of the TID having the above configuration will be described using the transmission control procedure of FIG. Now, it is assumed that the software for the TID terminals 3a, 3b, and 3c has been modified by the linear change, and the modified software has been created by the staff using the maintenance device 8. The software of the TID central device 1 also needs to be modified by a linear change, but here, it is assumed that the modified software is already stored in a memory (not shown) of the TID central device 1.
[0012]
The data of the repair software (update program in FIG. 4, which will be described as an update program hereinafter) created by the maintenance device 8 is transmitted to the TID terminal via the TID dedicated line L1 by the switching circuit 2 switching to the maintenance device 8 side. It is transmitted (transferred) to the devices 3a, 3b, 3c (see FIG. 4 (1)). When the transmission of the update program to each of the TID terminals 3a, 3b, 3c is completed, the fact is transmitted to the CTC station devices 6a, 6b, 6c provided at the respective stations (see (2) in FIG. 4). . Information indicating that the update program transmitted to the CTC station devices 6a, 6b, and 6c has been received, that is, the download completion information, is transmitted from the CTC central device 5 to the CTC station devices 6a, 6b, and 6c of each station by polling (▲ in FIG. 4). 4) (see (4) in FIG. 4), and from there to the maintenance device 8 via the CTC line L2 comprising a two-way communication line (see FIG. 4). Refer to (5)). As described above, when the download completion information is notified to the maintenance device 8 via the CTC line L2, the completion of the download can be confirmed on the maintenance device 8 side, that is, the TID central device 1 side.
[0013]
In the maintenance device 8, it is confirmed that each of the TID terminals 3a, 3b, 3c has completed the download of the update program (see (5) in FIG. 4). The device 8 instructs the TID terminals 3a, 3b, 3c to update the received update program (see (6) in FIG. 4). In each of the TID terminals 3a, 3b, 3c, when an update execution instruction is issued from the maintenance device 8, the previous program (software before repair) is replaced with the updated one. Then, when the switching circuit 2 is switched to the TID central unit 1, the TID terminals 3a, 3b, and 3c display the TID information using the replaced program (repair software). Of course, in this case, the TID central device 1 is also driven by the renovation software. As described above, the TID according to the above proposal can easily download the modified software to the TID terminal even if the software needs to be modified due to a linear change or the like.
[0014]
[Non-Patent Document 1] Japan Railway Electric Technology Association, "Introduction to Electricity for Railway Engineers, Signal Series 6, CTC / PRC," published March 20, 1996 (third edition). 106-110
[0015]
[Problems to be solved by the invention]
The TID according to the above proposal has a feature that when the software needs to be modified due to a linear change or the like, the modified software can be easily downloaded to the TID terminal. Must be performed while the train operation is suspended, so it is difficult to introduce the system into the line where the train operates for 24 hours, and the type of TID terminal (TID terminal In some cases, the repair software is regarded as abnormal data and a failure warning is displayed. Therefore, for a TID terminal of such a format, a predetermined type is required. It was necessary to download it after taking the procedure of suspension of use.
[0016]
Therefore, the present invention has been made to solve the above-mentioned drawbacks, and the object thereof is to apply to a 24-hour operation line section, and to download a repair program without being restricted to the form of a TID terminal. It is an object of the present invention to provide a train operation status display device (TID) that can perform the operation.
[0017]
[Means for Solving the Problems]
The train operation status display device according to the present invention transmits TID information created by a TID central device installed in a CTC center to a TID terminal installed in a predetermined place of each station or a working organization via a communication line. A train operation status display device for transmitting and displaying the transmitted TID information on the TID terminal, wherein a maintenance device provided in the CTC center for modifying the software for the TID terminal and creating modified software. Transmitting means for transmitting the data of the created repair software to the TID terminal via the communication line; and when the TID terminal receives the data of the repair software in parallel with the TID information, the repair software And setting means for setting the TID terminal in the TID terminal.
The train operation status display device according to claim 2 of the present invention is characterized in that the data of the repair software is transmitted instead of the status information or the change information in the TID information.
According to a third aspect of the present invention, in the train operation status display device, the data of the repair software is divided into a plurality of frames and transmitted, and a frame determined to be normal is captured by the TID terminal. Features.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. Since the overall configuration of the TID according to the present invention is the same as that of FIG. 3 according to the previous proposal, a schematic configuration diagram of the TID according to the present invention is omitted. Therefore, FIG. 3 also corresponds to a schematic configuration diagram of the present invention. Since FIG. 3 has already been described, the description thereof is omitted.
[0019]
Hereinafter, the control operation of the TID according to the present invention will be described using the transmission control procedure of FIGS. Now, it is assumed that the software for the TID terminals 3a, 3b, 3c needs to be modified due to the linear change, and the modified software has been created by the staff using the maintenance device 8. Since the software of the TID central unit 1 also needs to be modified by a linear change, it is assumed that the modified software is also stored in a memory (not shown) of the TID central unit 1.
[0020]
When the switching circuit 2 is switched to the maintenance device 8, the update program data, which is repair software created by the maintenance device 8 (hereinafter, referred to as update program data), is transmitted to the TID dedicated line L 1. Is transmitted (transferred) to each of the TID terminals 3a, 3b, 3c via the. As shown in FIG. 2, a plurality of update program data are transmitted (four in the example of FIG. 2; hereinafter, four are described, but the number is usually 30 to 500) at the time of transmission. Frames D1 to D4 are generated and transmitted. Further, the data of the update program is configured to be incorporated in the TID information in parallel and transmitted.
[0021]
That is, the TID information includes train location information, CTC information, train delay reason information, and other general information. In addition, the above train location information and CTC information include changes in train operation status and the like. This includes the so-called change information, which is the information when the train operation is performed, and the so-called state information, which is the information section when the train operation status does not change (see FIG. 1A). It is configured so that information can be replaced with the update program data and transmitted when the update program data is transferred (see FIG. 1B).
[0022]
By the way, until the switching circuit 2 is switched to the maintenance device 8 side and the maintenance device 8 is set to the transfer mode of the update program, predetermined TID information is transmitted from the maintenance device 8 in place of the TID central device to the TID terminal 3a. , 3b, 3c (see FIG. 1 (a)). When the maintenance device 8 is operated to start the transfer of the update program data, first, data indicating the characteristics of the data of the update program, that is, the length of the data file of the update program data and the length of the basic frame And predetermined data such as the number of frames (four in the illustrated example) is transmitted (see (1) 'in FIG. 1). Next, the update program data is transmitted to the TID terminals 3a, 3b, 3c in a form incorporated in the TID information in parallel (see (1) and (b) in FIG. 1). As described above, since the TID information is not interrupted even when the update program data is transmitted, the update program data is transmitted to the TID terminals 3a, 3b, and 3c even in a line section operated for 24 hours. In addition, even if the TID terminal is of a type that issues a warning when receiving data that does not include the predetermined TID information and that issues a warning, the update program data is not generated without generating the warning. You can send.
[0023]
Although omitted in the transmission control procedure of FIG. 1, in the case of a TID terminal having a color display function called a D-type, a communication abnormality is detected when predetermined TID information cannot be received for a certain period of time. In order to prevent this, even during the transmission of the update program data, the original TID information not including the update program data (see FIG. 1A) is transmitted periodically.
[0024]
FIG. 2 shows a transmission control procedure showing (1) 'and (1) in FIG. 1 in detail. Here, on the TID terminals 3a, 3b, 3c side, a frame determined to be free from errors (shaded in FIG. 2) by error detection using error control bits included in each of the frames D1 to D4. Frame), and at the next reception, an error determination is performed on the remaining frames to fetch a normal frame. In this manner, when error determination control is performed in units of frames, the number of transfers (four in FIG. 2) is less than the number of times the error determination is controlled once for the entire update program data. , The transmission of the update program data can be ended.
[0025]
When the transmission of the update program to each of the TID terminals 3a, 3b, 3c is completed as described above, the fact is transmitted to the CTC station devices 6a, 6b, 6c provided at the respective stations (FIG. 1). (2)). Information indicating that the update program data transmitted to the CTC station devices 6a, 6b, and 6c has been received, that is, the download completion information, is transmitted from the CTC central device 5 to the CTC station devices 6a, 6b, and 6c of each station (see FIG. 1). In response to (3), the data is sent to the CTC central unit 5 (see (4) in FIG. 1), from which it is transmitted to the maintenance device 8 via the CTC line L2 composed of a bidirectional communication line (FIG. 1). (5)). As described above, when the download completion information is notified to the maintenance device 8 via the CTC line L2, the completion of the transfer (download) can be confirmed on the maintenance device 8 side, that is, the TID central device 1 side.
[0026]
In the maintenance device 8, it is confirmed that each of the TID terminals 3a, 3b, 3c has completed the download of the update program data (see (5) in FIG. 1). The maintenance device 8 instructs the TID terminals 3a, 3b, 3c to update the received update program (see (6) in FIG. 1). In each of the TID terminals 3a, 3b, 3c, when an update execution instruction is issued from the maintenance device 8, the previous program (software before repair) is replaced with the updated one. Then, when the switching circuit 2 is switched to the TID central unit 1, the TID terminals 3a, 3b, and 3c display the TID information using the replaced program (repair software). Of course, in this case, the TID central device 1 is also driven by the renovation software.
[0027]
In the above example, the TID central device 1 and the maintenance device 8 are provided separately. However, when a TID system is newly constructed, the function of the maintenance device 8 is set in the TID central device 1 from the beginning. It can also be embedded. Further, as described above, when the maintenance device 8 is separate from the TID central device 1, even an existing TID system can be easily applied.
[0028]
【The invention's effect】
A train operation status display device according to claim 1 of the present invention includes a maintenance device provided in a CTC center that modifies software for a TID terminal to create modified software, and a communication line for transmitting data of the modified software that has been created. And transmitting means for transmitting the modified software to the TID terminal via the TID terminal, and setting means for setting the modified software to the TID terminal when the TID terminal receives data of the modified software in parallel with the TID information. Therefore, the data of the repair software can be transmitted to the TID terminal and set in the line section where the train is operated for 24 hours.
In the train operation status display device according to claim 2 of the present invention, since the data of the repair software is transmitted instead of the status information or change information in the TID information, the data of the repair software can be transmitted more efficiently. Can be.
In the train operation status display device according to claim 3 of the present invention, the data of the repair software is divided into a plurality of frames and transmitted, and the frames determined to be normal are taken in by the TID terminal. You can send the renovation software data in time.
[Brief description of the drawings]
FIG. 1 is a transmission control procedure showing a control operation.
FIG. 2 is a transmission control procedure showing a control operation.
FIG. 3 is a schematic configuration diagram of a train operation status display device according to the previous proposal, which also corresponds to a schematic configuration diagram of a train operation status display device according to an embodiment of the present invention.
FIG. 4 is a transmission control procedure showing a control operation.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 TID central apparatus 2 Switching circuit 3a, 3b, 3c TID terminal 5 CTC central apparatus 6a, 6b, 6c CTC station apparatus L0 Central LAN
L1 TID dedicated line L2 CTC line

Claims (3)

The TID information created by the TID central device installed in the CTC center is transmitted to a TID terminal installed in a predetermined place of each station or operating organization via a communication line, and the TID information is transmitted to the TID terminal. In the train operation status display device for displaying the TID information
A maintenance device provided in the CTC center for modifying the software for the TID terminal to create modified software;
Transmitting means for transmitting the data of the created repair software to the TID terminal via the communication line;
Setting means for setting the repair software to the TID terminal when the TID terminal receives data of the repair software in parallel with the TID information;
A train operation status display device comprising: The train operation status display device according to claim 1, wherein the data of the repair software is transmitted instead of the status information or the change information in the TID information. 3. The train operation status display device according to claim 1, wherein the repair software data is divided into a plurality of frames and transmitted, and a frame determined to be normal is taken in by a TID terminal. Train operation status display device.

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