JP2001063577A - Automatic block signal control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically block a blocking interval using a signal having a lot of present indication numbers without using a special relay or a track pole changing circuit. SOLUTION: A master device 20 is disposed to an A station, and slave devices 30 and 40a through 40c are disposed to an adjacent B station, and blocking intervals between the A and B stations, and these devices are connected together by a transfer circuit 50. The master device 20 collects information required for automatic blocking signal control such as on-line information, track locking information and the like from the respective slave devices and interlocking devices through the transfer circuit 50, so that the content to be indicated by each signal between the stations is determined based on collected information as mentioned above. And the decided contents of information are so sent to the respective slave devices that the indicating condition of each signal connected with the respective slave devices is focused so as to be controlled by the master device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic block signal control device for controlling the contents of a traffic signal disposed in each block section so that each block section is automatically blocked according to the progress of a train.

[0002]

2. Description of the Related Art Conventionally, an automatic closing signal control device for automatically closing each closed section between stations is, for example, two when the present number of traffic signals is three (three progress, caution, and stop). Yuan 3
The orbit circuit is switched using the orbit relay (relative contact position for localization, inversion, and recovery) and the slow release relay, and the on-line state of its own closed section, the previous closed section, and the preceding closed section Is detected, and the present content of the traffic light installed at the entrance of the own closed section is determined.

When the present number is 4 (four, progress, caution, caution, stop, or four, progress, deceleration, caution, stop) and the present number is 5 (progress, deceleration, caution, caution, Stop 5
In the case of (1), a control cable is provided to pass the localization and inversion contact conditions of its own orbital relay to the rear closed section.

[0004]

However, in the conventional automatic blockage signal control device, a special orbit relay of two or three ranks is used, and a slow release relay is required to reverse the orbit circuit. However, there was a problem that the configuration was complicated. Further, since a large current flows through the contact of the slow release relay, the contact wears quickly, and there is a problem that the number of steps for maintenance is increased.

Further, when the present number becomes 4 or 5,
A control cable for passing a contact condition for higher-order presentation in an adjacent blockage section and a condition transmitting / receiving circuit corresponding to the control cable are required, so that there has been a problem that the device configuration is further complicated. For example, in the case of 5 displays, it is necessary to receive two points of contact conditions for the upper display from the front closed section, and to provide two relays in correspondence with the contact conditions, and to provide the relay for the higher display to the rear closed section. It was necessary to pass two contact conditions.

SUMMARY OF THE INVENTION The present invention has been made in view of such problems of the prior art, and it is possible to automatically close a block section using a traffic signal having a large number of indications without using a special relay. It is an object of the present invention to provide an automatic closing signal control device that can perform the control.

[0007]

The gist of the present invention to achieve the above object lies in the following inventions. [1] In an automatic block signal control device that controls the present content of a traffic signal arranged in each block section so that each block section is automatically blocked according to the progress of a train, an interlocking device (6
0) a parent device (20) disposed at a certain station, and child devices (30, 40a to 40c) disposed in each closed section between the stations.
The parent device (20) and the child devices (30, 40a to 4)
0c), and a traffic signal in a closed section in which the own device is arranged is connected to each of the slave devices (30, 40a to 40c). (30, 40a to 40c) is for acquiring at least the on-line information of the closed section where the own device is arranged, and transmitting this to the parent device (20) through the transmission line (50). (20) corresponds to each of the child devices (3
0, 40a to 40c) and the interlocking device (60), and collects various kinds of information based on the collected information.
40a to 40c) determine the contents to be displayed by the traffic lights connected to the traffic lights, and transmit control information indicating the determined contents to be displayed to the corresponding child device (30, 40a to 40).
c) through the transmission line (50), and the child device (30, 40a to 40c) transmits the signal transmitted from the parent device (20) to a traffic light connected to the own device. An automatic closing signal control device, characterized in that the presenting content represented by the control information is presented.

The present invention operates as follows. Child devices (30, 40a to 40) arranged in each closed section between stations
c) Acquires at least information on the location of the closed section where the own device is arranged, and transmits the acquired information to the parent device (20) arranged at a station where the interlocking device (60) is located via the transmission line (50). Since it is only necessary to detect whether or not a train is present in the closed section where the own device is located, this on-rail information can be obtained by a track circuit using a standard two-way two-way track relay. .

The parent device (20) is connected to each of the child devices (30, 40).
a to 40c) and the interlocking device (60), various types of information, such as a train departure request and information on the line in each closed section between stations, are collected. Based on the information, each child device (3) is collected.
0, 40a to 40c) to determine the content to be displayed by the traffic light. Then, the parent device (20) transmits the control information indicating the content of the display thus determined to the corresponding child device (30, 40a to 40c) through the transmission line (50). The child devices (30, 40a to 40c) receive the control information transmitted from the parent device (20) and present the content indicated by the previous control information to a traffic signal connected to the own device. To instruct.

As described above, the information necessary for the automatic block signal control is collected by the parent device (20) through the transmission line (50), and the parent device (20) determines the content to be displayed by each signal. , The control information representing the contents is transmitted to the transmission line (5
0) to the child devices (30, 40a to 40c), so that the present contents of each traffic light can be transmitted to the remote parent device (20).
Centralized control, so even in an occluded section using signals with a large number of presents, there is no need to use special relays of two or three ranks or slow release relays, or to lay many control cables,
It is possible to properly control the present state of each traffic light to secure automatic blockage.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a configuration of an automatic blockage signal control device 10 according to the present embodiment and line segments to be controlled by the automatic blockage signal control device 10. The automatic block signal control device 10 includes a parent device 20 disposed on the A station side,
A child device 30 arranged on the B station side, and child devices 40a, 40b arranged for each of a plurality of closed sections existing between both stations,
40c, the parent device 20, and each child device 30, 40a, 34
and a transmission line (transmission path) 50 that connects between b and 40c.

The parent device 20 controls the station A, the child device 30 controls the station B, the child device 40a controls the closed section 122T, the child device 40b controls the closed section 124T, and the child device 40c controls the closed section 126T. Things.

An interlocking device 60 is connected to each of the parent device 20 installed at the station A and the child device 30 installed at the station B. The interlocking device 60 performs interlocking control for securing a train route within the premises of each station. Field devices in each station yard, such as switches and traffic lights, are connected to the interlocking device 60 via a relay circuit or the like.

The interlocking device 60 receives track circuit information (train information on trains) in the station yard under its control. Information on the train line in the station premises is input to the parent device 20 of the station A and the child device 30 of the station B through the interlocking device 60. The interlocking device 60 receives various types of information from the master device 20 and the slave device 30 and uses the information to control on-site devices arranged in the station premises.

Automatic signal devices 70a, 70b, 70c for controlling the traffic lights installed at the boundaries of the corresponding closed sections are connected to the child devices 40a, 40b, 40c between the stations. Also, the child devices 40a, 40b, 4 between the stations
In 0c, the on-rail information of the corresponding closed section is input. This on-rail information simply indicates whether or not there is a train in the blockage section targeted by the own device.
It is obtained using a track circuit using a binary two-position relay. The automatic signaling devices 70a to 70c are
The present state of the traffic signal to be controlled is controlled based on the command received from 0a to 40c.

The parent device 20 and each of the child devices 30, 40a, 4
0b and 40c are transmission units 21, 31, and 41, respectively.
Logic units 22, 32, 42 and input / output units 26, 36, 46
And address sections 27, 37 and 47. The transmission units 21, 31, 41 are circuit portions for performing various types of information transmission with other devices connected through the transmission line 50. Note that information transmission through the transmission line 50 is performed in a fail-safe manner.

The input / output units 26, 36, 46 are input / output interface devices for exchanging various kinds of information with an external device (an interlocking device 60 or automatic signal devices 70a to 70c) connected to each of the input / output units. . Address part 27,
37 and 47 are identification information (device addresses) of individual devices.
Is a switch for setting.

The logic unit 22 of the parent device 20 comprises a transmission logic unit 23, an automatic block signal control logic unit 24, and an input / output logic unit 25, as shown in FIG. The logic units 32 and 42 of the child device 30 and the child device 40 include a transmission logic unit 33,
43, and input / output logic units 35 and 45.

The transmission logic units 23, 33, and 43 are processing units that perform communication procedures for ensuring fail-safe transmission through the transmission line 50, error detection, and the like. The input / output logic units 25, 35, and 45 convert the format of data to be exchanged with these external devices so that data can be exchanged in a format corresponding to the connected external devices (interlocking devices and automatic signal devices). And so on.

The automatic block signal control logic unit 24
Based on the data (data required for automatic block signal control) collected from each of the slave devices 30 and 40a to 40c via the interlocking device 60 and the transmission line 50 connected to 0, automatic block in each section between stations is performed. A logical process for securing the traffic signal is performed, and control data (control information) for instructing the present state of the traffic light installed in each closed section is output as a processing result.

Next, the operation will be described. FIG. 2 shows the flow of various data for automatic blockage signal control. FIG. 3 shows input data and output data to the parent device 20 and the child devices 30 and 40. FIG. 4 shows the types of information transmitted through the transmission line 50 and the contents thereof.

The parent device 20 performs input / output logic processing on the input information 211 from the interlocking device 60 connected to its own device by the input / output logic unit 25 of the logic unit 22, and
Input data 212 in a format that can be processed by the transmission logic unit 23
Convert to The display information 201 input from the child device 30 or the child device 40 through the transmission line 50 is added to the transmission logic unit 2.
The transmission logic processing is performed in 3 and the automatic block signal control logic unit 24
Is converted into display data 214 in a format that can be processed by.

More specifically, as shown in FIG. 3, information indicating the locked state of the route is input to the parent device 20 installed at the station A via the interlocking device 60 connected to the own device. At the same time, information (tracking information) indicating the track circuit state is input from the slave devices 30 and 40 via the transmission line 50.

The automatic closing signal control logic section 24 executes the automatic closing signal control logic processing based on the input data 212 and the display data 214. That is, based on the input data 212 and the display data 214, the current on-rail status, the status of the route lock, and the like are grasped, and the present status is displayed for each traffic light so that automatic closing in each closing section is ensured. The control data 213 and 215 to be instructed are generated.

The control data 213 transmitted to the other child device is subjected to transmission logic processing in the transmission logic unit 23 to be converted into control information 202, and is transmitted to the child device 30 by fail-safe communication through the transmission line 50. And transmitted to the child device 40.

On the other hand, the interlocking device 6 connected to the parent device 20
0 is output to the input / output logic unit 25.
Are subjected to input / output logic processing, converted into output data 216 in a format suitable for the corresponding interlocking device 60, and then output to the interlocking device 60.

More specifically, as shown in FIG. 3, information indicating the state of the track circuit (control information indicating the contents to be displayed by each traffic signal and the automatic block section And information for a part of the station B premises), information indicating a device failure, maintenance information, and the like.

After transmitting the control information 202, the parent device 20 transmits polling information 203 (transmission request) for collecting display information from each of the child devices 30, 40.

The child devices 30 and 40 perform input / output logic processing on input information 221 and 231 input from an external device such as the interlocking device 60 or the automatic signal devices 70a to 70c connected thereto. These are converted into input data 222 and 232. When the polling information addressed to the own device is received from the master device 20, the input data 2
22 and 232 are converted to display information 201 by transmission logic processing and transmitted to the parent device 20.

When the child devices 30 and 40 receive the control information 202 from the parent device 20, they perform transmission logic processing on the control information 202 to convert them into control data 223 and 233, and further perform input / output logic processing on them. Output data 224, 2
34, and sends them to the automatic signal devices 70a to 70c and the interlocking device 60 connected to the own device.

More specifically, the slave device 30 inputs the track lock state and the track circuit state on the station side from the interlocking device 60 connected to the own device, and uses these as display information together with maintenance information as parent information. 20. Slave devices 40a to 40c
Inputs the track circuit state and the signal control output, and transmits them to the parent device 20 as display information together with the maintenance information.

That is, each of the child devices 40a to 40c inputs the on-rail information in the closed section controlled by the own device and the information indicating the operation status of the traffic signal managed by the own device, and transmits these as display information to the parent device 20. I do. In addition, each child device 40a-4
In accordance with the control information received from the parent device 20, 0c outputs a command for instructing the traffic signal managed by the own device to indicate the present content.

As described above, the parent device 20 and the child devices 30 and 40
Are connected by a transmission line 50, information necessary for automatic block signal control is collected in the parent device 20, the parent device 20 executes an automatic block signal control logic, and the result is transmitted to each child device 30, 40. By doing so, the present state of the signal and the like are controlled so that the automatic block is secured in each block section between the stations. This allows
It is possible to use a standard two-way or two-way orbit relay instead of a special three-way orbit relay. It eliminates the need for reversal of the track circuit and the need for a slow release relay. Eliminates the need for a control cable and the corresponding condition transfer circuit, enables the equipment of the parent equipment to grasp the automatic block signal control state, the state of the train, etc. The effect of can be obtained.

In the embodiment described above, the automatic closing signal control device of a double track is described as an example. However, the present invention can be applied to a single line automatic closing signal control device. In this case, a driving direction control function as described in Japanese Patent Application No. 11-90731 may be added to the logic unit of the parent device.

Although the embodiment has been described with respect to the case of using a light bulb-type color light type traffic light, Japanese Patent Application No. 11-115,199.
A signal having a built-in transmission / control function as described in 189166 may be connected. In this case,
No relay for signal control is required.

In addition, the increase or decrease in the number of closed sections can be handled by increasing or decreasing the number of child devices. The data input / output format of the parent device and the child device is changed according to the type of the interlocking device or automatic signal device connected to them. That is, a parallel input / output by a relay or a serial input / output by an electric signal, an optical signal, or the like may be used. Further, even if the transmission line connecting the parent device and each child device uses an electric communication cable,
An optical fiber transmission line may be used. If an optical transmission system using an optical fiber transmission line as the transmission line is used, it is less susceptible to lightning damage, transmission speed can be easily increased, control response time can be significantly reduced, and transmission information capacity can be increased. be able to.

[0037]

According to the automatic signal blocking control device of the present invention, the parent device and the child device are connected by a transmission line, and information necessary for automatic block signal control, such as on-rail information of each blocked section, is transmitted to the parent device. At the parent device based on the collected information, and transmits to each child device the contents to be shown by each traffic signal between the stations, and the parent device determines the present status of the traffic lights connected to each child device. Since centralized control is performed from the equipment, even when a large number of signals are used, the current status of each signal can be reduced without using special two- or three-position relays or slow-release relays, or laying many control cables. The automatic closing can be ensured by accurately controlling the display state.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an automatic blockage signal control device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a flow of information when the automatic blockage signal control device according to the embodiment of the present invention performs automatic blockage signal control.

FIG. 3 is an explanatory diagram showing input data and output data to a parent device and a child device constituting the automatic blockage signal control device according to one embodiment of the present invention.

FIG. 4 is an explanatory diagram showing types and contents of information transmitted through a transmission line by the automatic block signal control device according to one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Automatic block signal control apparatus 20 ... Parent apparatus 21, 31, 41 ... Transmission part 22, 32, 42 ... Logic part 23, 33, 43 ... Transmission logic part 24 ... Automatic block signal control logic part 25, 35, 45 ... Input / output logic units 26, 36, 46 Input / output units 27, 37, 47 Address units 30, 40a to 40c Child devices 50 Transmission lines 60 Interlocking devices 70a to 70c Automatic signal devices 201 Display information 202 Control information 203: Polling information

Claims (1)

[Claims] 1. An automatic block signal control device for controlling the contents of a signal placed in each block section so that each block section is automatically blocked in accordance with the progress of a train. A master device to be arranged, a slave device arranged in each closed section between stations, and a transmission line connecting between the master device and each slave device, wherein each slave device has an arrangement of its own device. The traffic signal of the blockage section that has been connected is connected, the child device is to acquire at least the on-rail information of the blockage section where the own device is arranged, and to transmit this to the parent device through the transmission line, The parent device collects various information from each of the child devices and the interlocking device, determines the content of the signal to be displayed by the traffic light connected to each of the child devices based on the collected information, and determines the content of the determined information. Applicable control information indicating contents The slave device transmits the present content indicated by the control information transmitted from the master device to a traffic signal connected to the slave device. An automatic closing signal control device characterized by the above-mentioned.