JP3250723B2 - Interlocking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interlocking device.

[0002]

2. Description of the Related Art An interlocking device is a device for centrally controlling the equipment constituting a signal security device and ensuring safe train operation in a stop yard or the like. Field devices constituting the signal security device include a track circuit, a switch, a traffic signal, and the like. The interlocking device, when the route of the train is set, in order to ensure the safety of the train taking that route, control of the switch according to the route setting of the train and locking, control of the traffic light,
In addition, the system integrally executes locking and unlocking of the course.

[0003] After the route is set, generally, the set route is restored by the train entering the inside of the traffic light, and the locked route is unlocked at the time of setting the route, sequentially in accordance with the progress of the train. Locking is performed so that the switch associated with the pathway lock cannot be changed until the pathway lock is unlocked. Such route locks ensure the safety of train operation.

[0004] Whether or not a train has passed a track circuit included in a set course is detected by a track relay provided in the track circuit. Train detection by rail relay is well known. That is, when there is no train in the track circuit,
The track relay is lifted, and when the train enters the track circuit, the track circuit is short-circuited by the axle of the train, and the track relay is dropped by the track circuit short-circuit.

[0005] The conditions under which the track lock can be unlocked are as follows: as the train advances, the locked track is restored, the track lock in the same direction behind the self-lock is unlocked, and further the self-lock is locked. This is when the track relay is lifting because the train is not on the track circuit corresponding to. The switch on the set path can be changed after the track lock including the switch is unlocked.

For this reason, for example, if the track relay does not lift after dropping due to a fault in the track relay or a fault in the track circuit, the train will be present inside the set course, The corresponding pathway lock and subsequent pathway locks cannot be unlocked. In such a case, it becomes impossible to change the point on the set course,
In other routes that have a branching relationship with the set route,
The course cannot be set.

[0007] In the event that such a situation occurs, conventionally, an emergency driving response means has been taken to manually and forcibly change the switch with the handwheel by hand.

However, if a failure occurs in which the track relay cannot be lifted while the train is running, a large number of switches that cannot be unlocked are generated. Becomes impossible.

Further, the failure mode of the equipment is not limited to the mode in which the track relay cannot be lifted, but also includes, for example, a failure in which the switching device cannot be changed depending on the interlocking device.
If the switch becomes inoperable, the non-convertible switch and other normal switches included in the set path can be locked because the path is not open. It is no longer possible to lock the switch with the path lock.

[0010] When such a situation occurs, conventionally, a normal switch has been opened to a new track side to be set by using a single lever. However, in this case, since only the control lock is used, the security is lower than that of the route lock.

[0011] Further, when the contact of the track relay is illegally dropped, setting a course on the track circuit in which the track has been illegally dropped causes the same problem as the case of illegally lifting the track relay.
If the course is not set, the same problem as that in the case of the failure to change the point of the switch occurs.

[0012]

SUMMARY OF THE INVENTION An object of the present invention is to provide an interlocking device which recognizes a faulty device and enables an emergency operation when a fault occurs in a device constituting the signal security device.

Another object of the present invention is to provide an interlocking device capable of setting a route for emergency driving without relying on human power when a failure occurs in a device constituting the signal security device. It is to be.

[0014]

In order to solve the above-mentioned problems, an interlocking device according to the present invention includes an input unit, an operation panel, and an interlocking processing unit. The input means inputs, when a failure occurs in the field device, information for specifying the failed device to the interlocking processing unit. The interlocking processing unit stores information on the faulty device input from the input unit, and based on the stored information, masks display information from the faulty device to perform an interlocking process. Masking the display information means that the display information of the failed device is not used as the information of the interlocking process.

According to the interlocking device having the above-described configuration, when a failure occurs in a field device, the failed device can be recognized and an emergency operation can be performed. Moreover, since the emergency driving is performed based on the interlocking process by the interlocking processing unit, it is possible to set an emergency response course without relying on human power.

[0016]

FIG. 1 is a block diagram schematically showing a configuration of an interlocking device according to the present invention. The interlocking device 1 according to the present invention includes an input unit 10 and an interlocking processing unit 20.
When the route of the train is set, the interlocking device 1 controls the switch, locks, and the traffic lights in accordance with the route of the train to secure the safety of the train taking that route. Locking, unlocking, etc. are performed in a comprehensive manner.

The input means 10 inputs information for specifying a failed device to the interlocking processing unit 20 when a device included in the field device 30 fails. The input means 10 includes a keyboard or mouse 11 and a display device 12 containing a computer. Then, the identified faulty device is
The data is input through a keyboard or a mouse 11 or the like, is displayed on the display device 12, and is further transmitted to the interlocking processing unit 20 through a computer built in the display device 12. The on-site equipment 30 includes a track circuit, a switch, a traffic light, and the like.

The interlocking processing unit 20 stores the information of the faulty device input from the input means 10, and performs the linking process by masking the fault information of the faulty device based on the stored information. The configuration of the interlocking processing unit 20 is well known in this technical field. The interlocking processing unit 20 is preferably of an electronic interlocking type, and exchanges signals with the field device 30 via an input / output device (I / O) 21.

According to the interlocking device having the above configuration, the on-site equipment 3
When a failure occurs in a device constituting 0, the failed device can be recognized and emergency operation can be performed. Moreover, since the emergency operation is performed based on the interlocking process by the interlocking processing unit 20, the route lock can be unlocked without relying on human power and the route setting can be performed.

The illustrated interlocking device includes an operation panel 40. The operation panel 40 has a lock 41 which is unlocked from the outside,
On condition that the lock 41 is unlocked, input of the faulty device information from the input means 10 to the interlocking processing unit 20 is permitted.
A key for unlocking the lock 41 is managed by a specific person and is exclusively used. The provision of the operation panel 40 minimizes the probability of occurrence of a human-handling error and ensures the safety of train operation.

Next, with reference to FIG. 2, the linked processing by the linked processing device according to the present invention will be described in further detail. The diagram in FIG. 2 is adopted for convenience of description, and does not always correspond to a practical diagram. In FIG. 2, a branched rail 53 is arranged between the rail 51 and the rail 52. At a branch point between the rail 51 and the rail 53, a switch 61 is disposed.
A switch 62 is disposed at the junction between the rail and the rail 52.

The train 70 traveling on the track circuit 1T in the direction of the arrow a1 takes a course in the direction of the branch line 53 in the track circuit 2T to which the switch 61 belongs, and the train circuit 5T to which the switch 62 belongs. And through the switch 62,
It is assumed that a course L1 exiting from the track circuit 5T to the track circuit 6T is taken. When the route L1 is set, the interlocking processing unit 20 sets the traffic light 80 provided in the track circuit 2T to the progress indication G, locks the route including the track circuits 2T, 5T, and 6T, and sets The route locks 61 and 62 are locked.

The unlocking of the route lock is performed in accordance with the progress of the train 70. That is, the train 70 enters the track circuit 2T inside the set track L1 in accordance with the progress indication G of the traffic light 80, and after the set track L1 is restored, when the train 70 passes through the track circuit 2T, the track circuit When the track lock corresponding to 2T is unlocked and passes through the track circuit 5T, the track circuit 5
The route lock corresponding to T is unlocked, for example, in accordance with the progress of the train 70. Of the switches 61 and 62 on the set path L1, the switch 61 can be turned when the track lock corresponding to the track circuit 2T is unlocked, and the switch 62 is turned on the track. When the track lock corresponding to the circuit 5T is unlocked, conversion becomes possible.

Whether or not the train 70 has passed the track circuit included in the set course L1 is detected by a track relay provided in the track circuit. When the train 70 is not present in the track circuit, the track relay is lifted, and when the train 70 enters the track circuit, the track circuit is short-circuited by the axle. By dropping the track relay.

For this reason, for example, the train 70
Despite exiting T, if the track relay does not lift after falling due to a failure of the track relay of the track circuit 2T or a failure of the track circuit, etc., the train 70 is inward of the set path L1. It will be present and you will not be able to unlock the pathway lock. In such a case, the switches 61 and 62 on the set course L1 cannot be changed, and the course cannot be set on other courses that are in a branching relationship with the set course L1.

Therefore, in the present invention, information for specifying the failed track relay or track circuit is input from the input means 10 to the interlocking processing unit 20. Which track relay or track circuit has failed can be determined by comparing it with the on-rail information of the train 70. Interlocking processing unit 20
Stores the information of the failed track relay input from the input means 10 and masks the failed information of the failed track relay or the track circuit based on the stored information to perform an interlocking process.

Therefore, as shown in FIG. 3, after the train 70 exits the track circuit 5T and enters the track circuit 6T, the track L1 is notwithstanding the failure of the track circuit 2T or 5T or the track relay. Can be unlocked. Thereby, when a failure occurs in the track relay or the track circuit, the faulty device can be recognized and the emergency operation can be performed. In addition, since the emergency operation is performed based on the interlocking process by the interlocking processing unit 20, by masking the display information of the failed device, another route setting can be performed without relying on human power. Masking the display information means that the display information of the failed device is not used as route setting information.

After performing the interlocking process by masking the failure information of the failed track relay or track circuit, the signal of the traffic light 80 on the route L1 including the track relay or track circuit is set to the stop signal R. As a result, it is possible to prevent the subsequent train from entering the track circuit in which the failure has occurred, and to ensure the safety of train operation.

[0029]

As described above, according to the present invention, the following effects can be obtained. (A) When a failure occurs in a device constituting the signal security device, an interlocking device that recognizes the failed device and enables an emergency operation can be provided. (B) When a failure occurs in a field device, an interlocking device capable of setting a course without relying on human power by masking display information of the failed device can be provided.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an interlocking device according to the present invention.

FIG. 2 is a diagram illustrating an interlocking process performed by the interlocking processing device according to the present invention.

FIG. 3 is a diagram illustrating an interlocking process performed by the interlocking processing device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Interlocking device 10 Input means 20 Interlocking processing unit 30 Field device

Claims (3)

(57) [Claims] 1. An interlocking apparatus including an input unit, an operation panel, and an interlocking processing unit, wherein the input unit, when a failure occurs in a field device, transmits information for identifying the faulty device to the interlocking process. The interlock processing unit stores information on the failed device input from the input unit, and masks display information from the failed device based on the stored information to perform an interlock process. apparatus. 2. The interlocking device according to claim 1, further comprising an operation panel, wherein the operation panel has a lock that is unlocked from the outside, and a condition that the lock is unlocked is provided. An interlocking device that allows input of the information from the input unit to the interlocking processing unit. 3. The interlocking device according to claim 1, wherein the on-site device includes a track circuit, a switch, and a traffic light, and wherein the fault device is the track circuit. The means inputs information identifying the failed device to the interlocking processing unit, and the interlocking processing unit masks the display information from the failed device and performs the interlocking process, and then performs the interlocking process. An interlocking device that changes the indication of the traffic signal corresponding to the track circuit to a stop indication.