KR101370413B1 - System and method for preventing train from over-going in ATC mode - Google Patents

Abstract

The present invention relates to a train overload prevention system and method in ATC mode.
The train overload prevention system in the ATC mode according to the present invention includes: a platform track circuit circuit installed on a platform track and having at least two virtual track circuits; And an ATC signal generator for transmitting two or more driving information corresponding to the two or more virtual track circuits to the platform track circuit.

Description

System and method for preventing train from over-going in ATC mode}

The present invention relates to a train overload prevention system and method in ATC (Automatic Train Control) mode, and more particularly, to two or more virtual tracks for one platform track circuit when operating a train in ATC mode. The present invention relates to a system and method for preventing overcharging of a train by forming a circuit and transmitting two or more speed control signals.

The railway signal field is a field where the highest priority is to secure the safe operation of trains by pre-checking and removing risk factors around tracks. For safe operation of trains, it is necessary to find out where the train in front is, where it is, how fast it is, and whether it is stationary. Such information can be referred to as a track radar, a "track circuit". You can check it through

The track circuit is a facility that knows the train's operation information by letting weak current flow through both tracks of the track and detecting the short circuit of the current flowing in both tracks when the train passes. It can know and control the signal and alarm based on this.

For reference, FIG. 1 is a view showing that several track circuits are formed for a track that runs a train. In this case, one track circuit constitutes one closed section and detects the occupancy of the train for each track circuit, thereby controlling overall train operation.

On the other hand, ATC (Automatic Train Control) device receives the driving information (ATC signal) in a continuous control method from the track circuit occupied by the train and finds out the maximum speed limit that can operate the section, and the actual speed of the train. If the speed exceeds the maximum speed limit, the bell or alarm in the train warns the engineer, and if the speed does not decelerate below the maximum speed after a certain time, the device automatically brakes.

In this regard, FIG. 2 is a view schematically showing that an ATC device is installed (prior art) for a track near a platform, and when a train enters a second occlusion section through the first impedance bond 10. It receives the driving information (ATC signal) set in the track circuit of the platform and then maintains the information until it passes through the impedance bond 20.

However, the existing railway signal equipment, as shown in Figures 1 and 2, because the track of the platform is also equipped with one track circuit (hereinafter referred to as the "rail track track circuit") to constitute one closed section, After entering the platform, driving information (e.g., 60 km / h entry speed) for the platform track circuit (2 occlusion section) is continuously displayed until the stop point, and the engineer drives the platform past the platform by mistake ("overloading" in Fig. 2). Often). And, accordingly, there was a problem of causing anxiety for the passengers and disruption of train operation by re-running the train to stop at the stop point of the platform.

The present invention has been devised to meet the requirements as described above, and an object of the present invention is to form two or more virtual track circuits for one platform track circuit when operating a train in ATC mode, thereby allowing two or more different driving. The present invention provides a system and method for preventing overcharging of trains by sequentially transmitting information.

It is another object of the present invention to provide a system that can prevent overcharging of trains at a minimum cost and facilities by partially changing the ATC ground apparatus without significantly changing the existing platform track facilities.

For the above purposes, the train overload prevention system in the ATC mode of one embodiment of the present invention includes: a platform track circuit circuit provided on a platform track and having two or more virtual track circuits set therein; And an ATC signal generator for transmitting two or more driving information corresponding to the two or more virtual track circuits to the platform track circuit.

The train overload prevention system in the ATC mode of one embodiment of the present invention sets at least two or more virtual track circuits for one platform track circuit and sets different maximum speed limits for each virtual track circuit. Ground equipment made; And an on-vehicle device which receives the different maximum speed limits from the ground apparatus in a continuous control method and performs automatic braking of the train.

On the other hand, in the train overload prevention method in the ATC mode of one embodiment of the present invention, if the occupancy of the train is detected in the first virtual track circuit set forward in the train traveling direction with respect to one platform track circuit, the ATC signal is detected. Generating, by the generator, first driving information including a first maximum speed limit to the platform track circuit; And when the occupancy of the train is detected in the second virtual track circuit set behind the first virtual track circuit in the train traveling direction with respect to the platform track circuit, the ATC signal generator includes a second maximum speed limit. And transmitting the driving information to the platform track circuit.

According to the present invention, when the train operates in the ATC mode, two or more virtual track circuits are formed for one platform track circuit, and two or more different driving information are sequentially transmitted, thereby preventing overcharging of the train. Have

In addition, according to the present invention, there is an effect that can prevent the overcharging of the train at a minimum cost and equipment by changing the ATC ground apparatus without changing the existing platform track facilities significantly.

1 is a view showing a plurality of track circuits are formed for the track running the train.
2 is a view schematically showing that an ATC device is installed (prior art) for a track near a platform.
3 is a diagram illustrating three virtual track circuits for one platform track circuit according to the present invention.
4 is a view schematically showing a train overload prevention system in the ATC mode according to the present invention.
5 is a flowchart illustrating a train overload prevention method in ATC mode according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments. In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention unnecessarily obscure.

As described above, in the existing railway signaling equipment, the platform of railway stations is provided with one track circuit to constitute one closed section. Therefore, as shown in FIG. 2, when the train enters the platform through the first impedance bond 10, driving information (eg, an entry speed of 60 km / h) for the platform track circuit (2 closed sections) stops. It continued to be manifested up to the point, often causing the engineer to drive past the platform by mistake.

In order to prevent this, at first, a method of providing a train to provide different driving information for each occlusion section by constructing a plurality of occlusion sections in a platform and installing two or more track circuits. For reference, current rail signaling equipment is composed of track circuits by impedance bonds, and driving information is transmitted to trains in a continuous control manner through rails of respective track circuits.

However, this method was found to be ineffective due to many costs, labor, and technical difficulties, because it is necessary to change a lot of existing platform facilities and it is not technically easy to install additional track circuits.

Thus, by improving this, a way to set up one or more track track circuit to two or more virtual track circuit and to provide different driving information to each virtual track circuit.

In this regard, FIG. 3 is a diagram showing three virtual track circuits for one platform track circuit according to the present invention. 4 is a view showing that the train overload prevention system in the ATC mode according to the present invention is installed on the platform track.

3 and 4, the present invention sets up two or more virtual track circuits for one platform track circuit, and sequentially transmits two or more driving information as the train passes each virtual track circuit.

In detail, the train overcharge prevention system according to an embodiment of the present invention includes a platform track circuit, train detection sensors 12, 14, ATC signal generator 30 and the like as the ground apparatus.

The platform track circuit may be formed by impedance bonds 10 and 20. In the present invention, two or more virtual track circuits are set in one platform track circuit.

In particular, according to a preferred embodiment of the present invention, the first virtual track circuit is set up from the first impedance bond 10 to the train stop point of the platform to 116m ahead, 39m forward from 116m to the train stop point of the platform The second virtual track circuit is set up, and the third virtual track circuit is set from 39m forward to the next second impedance bond 20 with respect to the train stop point of the platform. Then, the first virtual track circuit is allocated first driving information of the highest limit speed, for example, 60 km / h, and the second virtual track circuit is allocated second driving information of the highest limit speed, for example, 40 km / h, and the third For the virtual track circuit, for example, third driving information with a maximum speed limit of 25 km / h is allocated (see Fig. 4). For reference, the first, second, and third driving information is set based on an existing ATC device, and the size and location of the first, second, and third virtual track circuits follow the set driving information. It is set to allow the most stable train stop.

In this case, when the train enters the platform and is located in the first virtual track circuit through the first impedance bond 10, the ATC signal generator 30 has the first driving information with the maximum speed limit of 60 km / h. The ATC signal is transmitted to the platform track circuit and received through the onboard device of the train and displayed in the engine room. When the train passes through the first train detection sensor 12 and is located in the second virtual track circuit, the ATC signal generator 30 receives the second driving information (ATC signal) having the maximum speed limit of 40 km / h. It is sent to the circuit, which is received through the onboard device of the train and displayed in the engine room. In this case, if the engineer continues to run at speeds of 40 km / h or more without forgetting to stop at the platform, the car will sound an alarm and automatically wait after a certain amount of time (eg 3 seconds). This reminds the driver that the emergency braking has been concluded and the vehicle must be stopped. Similarly, when the train passes through the second train detection sensor 14 and is located in the third virtual track circuit, the ATC signal generator 30 receives the third driving information (ATC signal) of the maximum speed limit 25 km / h. It is sent to the circuit, which is received through the onboard device of the train and displayed in the engine room. In this case, if the driver continues to operate at a speed of 25 km / h or more without slowing by mistake, emergency braking is automatically concluded after a predetermined time (for example, 3 seconds) has elapsed. In the case of the present embodiment, it is possible to prevent the driver from driving past the platform by mistake by reminding the driver of the platform stop through the two on-board alarms and emergency braking.

Meanwhile, in the above-described embodiment, the first and second train detection sensors 12 and 14 are used to determine whether the train occupies the second and third virtual track circuits, but alternatively, the predetermined train is not used. When the time elapses, the ATC signal generator 30 may be implemented to automatically transmit the second driving information and the third driving information to the platform track circuit.

For example, when the occupancy of the train for the platform track circuit is detected through the first impedance bond 10, the ATC signal generator 30 receives the first driving information (ATC signal) of the maximum speed limit 60 km / h for the first time. (E.g. 5 seconds) to the station track circuit. In addition, the ATC signal generator 30 transmits the second driving information (ATC signal) having the maximum speed limit of 40 km / h to the platform track circuit for a second time (eg, 7 seconds), and then the ATC signal generator 30. Transmits the third driving information (ATC signal) of the maximum speed limit 25km / h to the platform track circuit for a third time (eg, 5.5 seconds). For reference, the first time, the second time, and the third time are calculated in consideration of the maximum speed limit of the train for each virtual track circuit section, and when the train is implemented in this way, the above-described train detection sensors 12 and 14 may be used. This eliminates the need for ATC ground equipment.

Finally, Figure 5 shows a flow chart of the train overload prevention method in ATC mode according to the present invention. For reference, the method of preventing the train overload according to the present invention may refer to the technical contents of the above-described train overcharge prevention system according to the present invention.

For reference, a description will be given on the premise that the first, second and third virtual track circuits are sequentially set in the train traveling direction with respect to one platform track circuit.

First, in step S510, when the train passes through the first impedance bone 10 and the occupancy of the train for the first virtual track circuit is detected, the ATC signal generator 30 performs a first maximum speed limit (eg, 60 km / h). Transmits the first driving information (ATC signal) including a) to the landing track circuit.

In operation S520, when the train passes through the first train detection sensor 12 and the occupancy of the train for the second virtual track circuit is detected, the ATC signal generator 30 may generate a second maximum speed limit (eg, 40 km / sec). The second driving information (ATC signal) including h) is transmitted to the platform track circuit. In this case, if the driver continues to run at a speed exceeding the second maximum speed without a slowdown, without forgetting to stop at the platform, the next alarm will sound and a predetermined time (eg 3 seconds) will elapse. After that, the emergency braking is automatically engaged to remind the engineer that the vehicle must be stopped.

Finally, in step S530, when the train passes through the second train detection sensor 14 and the occupancy of the train for the third virtual track circuit is detected, the ATC signal generator 30 performs the third highest limit speed (eg, 25 km). / h) transmits the third driving information (ATC signal) including the platform track circuit. In this case, if the engineer continues to operate at a speed exceeding the 3rd maximum speed limit without error, the next alarm will sound and the emergency braking will be automatically applied after a predetermined time (eg 3 seconds) has elapsed. .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that the embodiments are to be considered in all respects as illustrative and not restrictive.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. .

10, 20: Impedance Bond
12, 14: train detection sensor
30: ATC Generator

Claims (14)

In the train overload prevention system in ATC (Automatic Train Control) mode,
A platform track circuit provided on the platform track and having two or more virtual track circuits set therein; And
And an ATC signal generator for transmitting two or more driving information corresponding to the two or more virtual track circuits to the platform track circuit. The method of claim 1,
The ATC signal generator allocates the first driving information including the first maximum speed limit to the first virtual track circuit set forward in the train traveling direction, and is set behind the first virtual track circuit in the train traveling direction. And the second driving information including the second maximum speed limit is assigned to the second virtual track circuit. 3. The method of claim 2,
A first sensor detecting whether the train occupies the first virtual track circuit; And
And a second sensor for detecting whether the second virtual track circuit occupies the train. 3. The method of claim 2,
In the ATC mode, the ATC signal generator allocates third driving information including a third maximum speed limit to a third virtual track circuit that is set behind the second virtual track circuit in a train traveling direction. Train overload prevention system. 5. The method of claim 4,
The second maximum speed limit is 40km / h, the third maximum speed limit is 25km / h train overload prevention system in ATC mode. The method according to any one of claims 1 to 5,
The ATC signal generator transmits first driving information including a first maximum speed limit to the platform track circuit when a train occupancy of the platform track circuit is detected, and includes a second maximum speed limit after a predetermined time elapses. Train overload prevention system in the ATC mode, characterized in that for transmitting the second driving information to the platform track circuit. In the train overload prevention system in ATC (Automatic Train Control) mode,
A grounding device configured to set at least two or more virtual track circuits for one platform track circuit, and set different maximum speed limits for each virtual track circuit; And
And an on-vehicle device which receives the different maximum speed limits from the ground apparatus in a continuous control method and performs automatic braking of the train. The method of claim 7, wherein the ground apparatus
A platform track circuit provided on the platform track and having two or more virtual track circuits set therein; And
And an ATC signal generator for transmitting two or more driving information corresponding to two or more virtual track circuits to the platform track circuit. 9. The method of claim 8,
The ATC signal generator allocates the first driving information including the first maximum speed limit to the first virtual track circuit set forward in the train traveling direction, and is set behind the first virtual track circuit in the train traveling direction. And the second driving information including the second maximum speed limit is assigned to the second virtual track circuit. 10. The method of claim 9,
In the ATC mode, the ATC signal generator allocates third driving information including a third maximum speed limit to a third virtual track circuit that is set behind the second virtual track circuit in a train traveling direction. Train overload prevention system. 11. The method according to any one of claims 7 to 10,
The ATC signal generator transmits first driving information including a first maximum speed limit to the platform track circuit when a train occupancy of the platform track circuit is detected, and includes a second maximum speed limit after a predetermined time elapses. Train overload prevention system in the ATC mode, characterized in that for transmitting the second driving information to the platform track circuit. In the method of preventing train overload in ATC (Automatic Train Control) mode,
When the occupancy of the train is detected in the first virtual track circuit set forward in the train traveling direction with respect to one platform track circuit, the ATC signal generator generates first driving information including a first maximum speed limit. Transmitting to; And
If the occupancy of the train is detected in the second virtual track circuit set behind the first virtual track circuit in the train traveling direction with respect to the platform track circuit, the ATC signal generator includes a second maximum speed limit; Transmitting driving information to the platform track circuit circuit overload prevention method in ATC mode. The method of claim 12,
When the occupancy of the train is detected in the third virtual track circuit set behind the second virtual track circuit in the train traveling direction with respect to the platform track circuit, the ATC signal generator includes a third maximum speed limit; Transmitting driving information to the platform track circuit circuit overload prevention method in the ATC mode characterized in that it further comprises. 14. The method of claim 13,
The second maximum speed limit is 40km / h, the third maximum speed limit is 25km / h characterized in that the train overload prevention method in ATC mode.

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