JPH10315975A - Railroad crossing control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate setting, alternation and maintenance of control conditions such as a warning condition so as to prevent an error in setting by reading a railroad crossing control table from a memory part storing the railroad crossing control table having a description field for description with a correspondence between a railroad crossing apparatus and control conditions for operating the railroad crossing apparatus, and displaying the table in a display part. SOLUTION: A railroad crossing table for input in which the conditions are not described in the same table form as a railroad crossing control table presented by a user is input from an input part to be displayed on a display (S101). Next, an operator inputs the same contents as those of the railroad crossing control table presented by the user in an appropriate field on the display mechanically to create a railroad crossing control table (S102). The data of the created railroad control table is sent to a railroad crossing control data creating part, and the data file is coded to be converted to the form conformable to the logical control (S104). Thus, setting, alternation and maintenance of control conditions for a railroad crossing can be made without an error in a short period.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railroad crossing control device, and more particularly to a railroad crossing control device for controlling a railroad crossing device by operating the computer.

[0002]

2. Description of the Related Art A railroad crossing control device is formed, for example, with an alarm control unit that sounds an alarm when a train enters a railroad crossing and stops the sounding of the alarm when the train advances from the railroad crossing. You. Conventionally, a practically used alarm control unit generally uses a relay logic composed of a combination of relays, and operates an alarm in response to level-crossing state information such as entry and exit of a train. In addition, Japanese Unexamined Patent Publication No.
A level crossing control method using a control table using a virtual level crossing as proposed in Japanese Patent Application Laid-Open No. -220061, and a control element creation file and a control condition creation file as proposed in Japanese Patent Application Laid-Open No. 4-292261. A railroad crossing control method using a two-level railroad crossing control file is known.

[0003]

Incidentally, the level crossing control device has to be manufactured individually corresponding to each level crossing because the alarm condition differs for each level crossing. Also,
After the alarm condition is set once, frequent changes must be made for maintenance or change of the alarm condition. Therefore, there is a need for a railroad crossing control device that can easily set control conditions such as alarm conditions, is easy to change and maintain, and is less likely to cause errors.

On the other hand, the level crossing control by the relay logic which has been put to practical use conventionally requires that alarm conditions corresponding to each level crossing must be assembled by the relay logic, and is complicated and difficult to cope with the change of the alarm conditions. Since it is necessary to change the connection between the relays, there is a problem that not only a lot of time and labor is required but also it is difficult to eliminate an error such as a connection.

On the other hand, in the case of a conventional level crossing control method using a virtual level crossing, the creation of a control table required by this method is complicated and difficult, so that it has not yet been put to practical use.

[0006] Also, in the conventional level crossing control method using a level crossing control file of two layers, an existing level crossing control table in a tabular form that is easy for a user, a user, to be understood is adapted to the control element creation file and the control condition creation file. Since the input must be made after conversion into the form, there is a problem that an error is likely to occur at the time of conversion and it takes time and effort. for that reason,
Since the alarm condition differs for each railroad crossing and is not suitable for railroad crossing control in which the number of changes is large, it has not been put to practical use.

SUMMARY OF THE INVENTION It is an object of the present invention to easily set, change, and maintain control conditions such as alarm conditions, and to reduce the possibility of setting errors.

[0008]

According to an aspect of the present invention, there is provided a level crossing control apparatus including a computer, wherein a level crossing device and control conditions for operating the level crossing device are described in association with each other. A memory section in which a railroad crossing control table having a column is stored, a display section for reading and displaying the railroad crossing control table from the memory section, and a railroad crossing device in a description column of the railroad crossing control table displayed on the display means. An input unit for inputting the control conditions of the railroad crossing device, and a database creation unit that reads the contents of the railroad crossing control table in which the control conditions are described from the memory unit and converts the content into code data that can be processed by a computer. A database section in which the database created by the database creation section is stored, and the level crossing state information referred to the database section in response to the input level crossing state information. To capture the control condition corresponding, it was assumed consisting and a corresponding crossing logic unit which outputs an operation command to the crossing equipment in accordance with the acquired control condition.

[0009] According to this, a person can create a railroad crossing control table in a tabular form that is easy to understand for a user as a user and is familiar with a description type, and input the railroad crossing control table as it is. Yes, since the entered level crossing control table is automatically converted into data suitable for the computer by the database creation unit, the user can easily set level crossing control conditions such as alarm conditions using a level crossing control table that is easy to understand, Can be changed and maintained. As a result, the control conditions of the railroad crossing control device having different alarm conditions can be easily set, and errors can be reduced.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an overall block diagram of a railroad crossing control device according to an embodiment to which the present invention is applied. As shown in the figure, the railroad crossing control device 11 includes a railroad crossing logic unit 12, a railroad crossing control table storage unit 16, an input unit 17 having a display unit, and a data input / output unit 18. It comprises a database storage unit 14 and a railroad crossing control database creation unit 15, and is configured using a computer. Further, the railroad crossing control device 11 is connected to a railroad crossing device 21 provided near the railroad crossing via the data input / output unit 18, and exchanges necessary signals with each other.

The level crossing device 21 detects information necessary for controlling the level crossing, such as status information related to the presence of a train installed near the level crossing and status information related to sounding of an alarm, and performs a level crossing logic of the level crossing control device 11. Send to section 12. Railroad crossing logic unit 12
Processes the state information of the level crossing device input via the data input / output unit 18 and outputs an operation command to a required level crossing device. This portion has a common configuration for all level crossings. Can respond. For example, whether to sound or stop the alarm device installed at the railroad crossing is determined based on the state information sent from the railroad crossing device in accordance with the control conditions of a railroad crossing control table described later, and a control command or an operation command. To the railroad crossing equipment 21 to control them.

Here, a railroad crossing control table which is a feature of the present invention will be described. FIG. 2 shows an example of the railroad crossing control table stored in the railroad crossing control table storage 16. The table format of the railroad crossing control table is generally used by a user to describe control conditions such as a warning condition of a railroad crossing, and is used by the user on a daily basis, for example, for maintenance and inspection. In FIG.
In the “Name” column, an alarm device installed at a railroad crossing to be controlled is described by an identification code or the like. The illustrated example shows that two alarms X ₁ and X ₂ are installed across the track. The “ringing path” field is a field for entering a path name for each path.
) And (up △△ -XX).
The "ringing condition" column includes columns for setting conditions for a start position of the alarm device and a stop position for stopping the alarm device. In the illustrated example, it is described that an alarm is started when the train reaches point A or point C on the track, and that the sound stops when the train reaches point B or point D. When the sound is stopped, it is checked whether other sound conditions (for example, when the train is approaching on both the up and down paths and the sound condition is satisfied over two paths) are not conflicted. After that, the sound is stopped. The “ringing distance” column indicates the distance required to detect the approach or passage of the train to the railroad crossing. In the illustrated example, the upper row shows the distance between points A and B, and the lower row shows the distance between C and B.
The distance between point D is entered. In addition, the "Ring hour and minute"
Enter the maximum and minimum conditions for the hour and minute from when the level crossing alarm starts to stop.

Next, the railroad crossing control table is stored in the railroad crossing control table storage unit 16.
The procedure for inputting and setting the information and the procedure for converting the railroad crossing control table into a database will be described with reference to FIG. First, in step 101, a level crossing control table for input (for example, in the same table format as the level crossing control table provided by the user (for example, FIG. 2), in which no condition or the like is entered, for example,
4) is input from the input unit 17 and displayed on the display. Next, in step 102, the operator mechanically inputs the same content as the content of the railroad crossing control table provided by the user via the input unit 17 into a corresponding blank box on the display to create a railroad crossing control table. . The data of the created railroad crossing control table is sent to the railroad crossing control data generator 15,
After a syntax error is found in step 103 and a logical rationality is checked, in step 104 the data file is coded and converted into a form suitable for logical control. In this way, the railroad crossing control table is automatically made into a database, and is stored in the database storage unit 14 in step 105. This database is referred to as needed by the logic unit 13 that performs the control processing in step 106, and is used for determining the condition of the alarm output. That is, it performs control processing of a signal sent from the level crossing device 21 via the data input / output unit 18 and outputs a control command or an operation command to the level crossing device 21 via the data input / output unit 18.

The operation of the embodiment configured as described above will be described with reference to FIGS. FIG. 5 shows that the train 41
A state of approaching toward is shown. A, B, in the figure
Points C and D are positions according to the ringing condition of FIG. 2, respectively, and at those points, sensors for detecting entry of the train are provided. Train 4 in step 201 of FIG.
When it is detected that 1 has entered point A, the data input / output unit 18 receives the detection information (step 202),
The data is transferred to the logic unit 13. The logic unit 13 searches the database storage unit 14 for a control condition corresponding to the information that the input train has entered the point A, and the condition for starting the sounding of the alarms X ₁ and X ₂ is satisfied. Judge that. Then, after confirming that there is no other conflicting condition, the sounding command for those alarm devices is transferred to the data input / output unit 18 (step 203). The data input / output unit 18 sends the transferred sounding command to the alarms X ₁ and X ₂ as the level crossing devices (step 204). Accordingly, the alarms X ₁ and X ₂ start sounding (step 203). Control processing is similarly performed when a train enters or leaves other points B, C, and D.

As described above, according to the present embodiment, the display shows the level crossing control table for input in the same format as the description form of the level crossing control table, and the operator views the level crossing control table provided by the user. Only by inputting the control conditions mechanically, the railroad crossing control database creator 15 automatically converts the data into a database in a data format suitable for computer processing. Therefore, the control conditions such as alarm conditions differ for each railroad crossing. However, it is possible to set, change, and maintain the control conditions of the railroad crossing without error and in a short period of time and without skill.

That is, it is possible to omit the operation of rewriting the railroad crossing control table and inputting it so as to be suitable for each system as in the related art.

Further, even if the alarm condition is changed and the provided railroad crossing control table is rewritten, the changed database is automatically created only by inputting only the changed portion as it is. As a result, since the logic unit 13 performs the control process with reference to the rewritten database, it can easily respond to a change in the alarm condition or the like.

Further, the railroad crossing control device itself can be made common regardless of the difference in the alarm condition of the railroad crossing, and can be dealt with only by software, so that the manufacturing is simplified.

In particular, the railroad crossing control table as shown in FIG. 2 has been used by users conventionally, and maintenance and changes have been made based on this table. Therefore, inputting the railroad crossing control table as it is and storing it in the storage unit results in a clear and easy-to-understand system from the user's side, which facilitates maintenance and change.

[0020]

As described above, according to the present invention,
It is easy to set, change and maintain control conditions such as alarm conditions.
In addition, it is possible to reduce the possibility of setting errors.

[Brief description of the drawings]

FIG. 1 is an overall block diagram of a railroad crossing control device according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating an example of a railroad crossing control table according to the present invention.

FIG. 3 is a flowchart showing a procedure for inputting a railroad crossing control table and creating a database thereof according to the present invention.

FIG. 4 is a diagram showing an example of a level crossing control table for input displayed on a display.

FIG. 5 is a schematic diagram of a crossing for explaining the operation of the railroad crossing control device of FIG. 1;

FIG. 6 is a flowchart showing a procedure of an operation of the railroad crossing control device of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Railroad crossing control device 12 Railroad crossing logic part 13 Logical part 14 Database storage part 15 Railroad crossing control database creation part 16 Railroad crossing control table storage part 17 Input part 18 Data input / output part 21 Railroad crossing equipment

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hitoshi Yanagi 1070 Ma, Hitachinaka City, Ibaraki Prefecture Inside the Mito Plant of Hitachi, Ltd. Inside the Mito Plant (72) Inventor Tsunebu Kikuchi 1-6-5 Marunouchi, Chiyoda-ku, Tokyo East Japan Railway Company (72) Inventor Takashi Shimizu 1-6-5 Marunouchi, Chiyoda-ku, Tokyo East Japan Railway Company (72) Inventor Kyosuke Isono 1-6-5 Marunouchi, Chiyoda-ku, Tokyo East Japan Railway Company

Claims (1)

[Claims] A memory section formed with a computer and storing a railroad crossing control table having a description column for describing a railroad crossing apparatus and a control condition for operating the railroad crossing apparatus in association with each other; A display unit that reads and displays a railroad crossing control table; an input unit that inputs the railroad crossing device and control conditions of the railroad crossing device in a description column of the railroad crossing control table displayed on the display unit; A database creation unit that reads the contents of the railroad crossing control table in which the control conditions are described and converts the content into code data that can be processed by a computer, and a database unit that stores a database created by the database creation unit. In response to the level crossing state information, the control condition corresponding to the level crossing state information is fetched with reference to the database section, and according to the fetched control condition. A level crossing control device comprising: a level crossing logic unit that outputs an operation command to a corresponding level crossing device.