RU2776684C1 - Automatic locomotive signalling and a method for coding track sections at a station or stage - Google Patents

Abstract

FIELD: railway transport.

SUBSTANCE: group of inventions relates to means of interval regulation of train traffic on runs and stations. The ALS contains rail circuits with receiving and transmitting devices, code signal generation devices, a central control device and a locomotive signaling device that provides receiving and converting code signals. At the same time, digital code signal generators are connected to the supply and relay ends of the RC through switching devices containing interface code-switching relays that switch the outputs of the digital generator from the supply end of the RC to the relay end and change the direction of coding of track sections from odd departure to even reception.

EFFECT: increase in the reliability of ALS.

7 cl, 5 dwg

Description

SUBSTANCE: group of inventions relates to devices for signaling, centralization and blocking and can be used for interval regulation of train traffic on hauls and stations.

As a prototype, an automatic locomotive signaling is selected that performs the functions of a train interval control system, containing track circuits with track circuit control units, each of which contains a track generator, a coding enable unit connected to the track generator, a track receiver and a locomotive equipped with a locomotive signaling, including receivers of code signals for automatic locomotive signaling and devices for converting code signals [RU 2550377 C1, publication date: 05/10/2015, IPC: B61L 23/16].

The disadvantage of the prototype is the low reliability of the system of interval control of train traffic, as well as its increased energy consumption, which occurs due to hardware redundancy due to the presence in each set of equipment of the track circuit of the coding enable unit connected to the track generator. In the event of a malfunction or complete failure of one of the coding switching units connected to the track generator and providing coding of the track circuit on which it is installed, the track generator stops sending auto-blocking code signals to the rail line, and they cannot be read by the device. locomotive signaling of the rolling stock entering this section of the rail circuit, which can lead to an incorrect interpretation of the traffic situation by the locomotive driver, as well as to the impossibility of automatic control of the movement of the rolling stock and, as a result, to an increase in the interval of passing trains and a decrease in the throughput of the section, or to reducing this interval to values that are not safe, which also significantly degrades the performance of the existing system.

The technical problem to be solved by the group of inventions is the need to increase the reliability and improve the performance of automatic locomotive signaling.

The technical result, which the group of inventions is aimed at, is to reduce the risk of failure of the components of the automatic locomotive signaling with a concomitant reduction in energy consumption.

The essence of the first invention from the group of inventions is as follows.

The automatic locomotive signaling contains track circuits with transceivers, code signal generation devices, a central control device and a locomotive signaling device that provides receiving and converting code signals. Unlike the prototype, code signal generation devices are presented in the form of digital code signal generators, the outputs of which are connected to the supply and relay ends of the track circuits by means of a switching device that provides switching of the outputs of the digital code signal generator from the supply end of the track circuit to the relay and vice versa.

The essence of the second invention from the group of inventions is as follows.

The method of coding the track sections of a station or haul includes monitoring the vacancy of the track sections by the transceiver devices, generating and sending the codes corresponding to the train situation to the rail line of the occupied track section, the locomotive signaling device receiving the code signals from the rail line and converting them into an alarm for the locomotive driver. Unlike the prototype, when changing the direction of the train on the track section and / or when determining the track section closest to the supply end of the track circuit or the next after it, the central control device sends orders to the switching device to switch the outputs of the device for generating code signals from the supply end to relay and vice versa, to encode a busy track section.

Rail circuits (RC) provide control of the integrity and vacancy of a section of the railway track, as well as the transmission of signals between the track devices and from the track devices to the locomotive. The RC contains transmitters that provide the generation of RC control signals and are connected to the RC supply end, rail threads through which the RC control signals are transmitted, and receiving devices that provide reading of the RC control signals and are connected to the RC relay end. Transmitting devices can be presented in the form of track signal generators for control of the RC, receiving devices can be presented in the form of track receivers of signals for control of the RC.

Devices for generating code signals provide the formation and transmission of code signals to the rail threads of the RC. Devices for generating code signals can be presented in the form of digital code signal generators that supply code signals to the track sections at frequencies from 420 to 780 Hz.

Track signal generators for control of the RC, track receivers for control signals of the RC, as well as digital generators of code signals can be represented by modules in the form of printed circuit boards, which may contain inputs for connection to the central control device and / or outputs for connection to the supply and / or relay ends RC.

The switching device provides connection of the digital generator of code signals to the supply and relay ends of the DC, as well as switching the outputs of the digital generator of code signals from the supply end of the track circuit to the relay and vice versa. The switching device is a printed circuit board containing interface switching relays, which are switched depending on the set direction of movement on the track section.

The system may further include a central control device, which may be a control unit, a controller, or an industrial computer with a central processing unit that executes the program code. The program code provides the ability to convert the information received from the receiving-transmitting equipment into orders for managing railway haul objects, including controlling devices for generating code signals and switching devices. Also, the program code provides the ability to determine the direction of movement of the train on the section and determine which of the track sections in relation to the supply end of the track circuit is occupied.

The locomotive signaling device ensures the receipt and conversion of RC signals, as well as their transmission to the rolling stock control post. The locomotive signaling device can be presented in the form of a receiving coil that provides the receipt of code signals from the rail line and the locomotive traffic light located inside the locomotive cab, equipped with a decoder and indicators and providing the conversion of the RC code signals, as well as their transmission to the rolling stock control station.

A group of inventions can be made from known materials using known means, which indicates its compliance with the patentability criterion "industrial applicability".

The group of inventions is characterized by a set of essential features previously unknown from the prior art, characterized in that when changing the direction of movement of the train on the track section and / or when determining the track section closest to the supply end of the rail circuit or following it as occupied, the central control device sends orders to the switching device for switching the outputs of the device for generating code signals from the supply end to the relay end and vice versa, for encoding a busy track section, which allows, by providing the possibility of switching the outputs of the device for generating code signals to the supply or relay end of the RC of that track section, the coding of which is necessary to implement, reduce the number of devices for generating code signals, thereby reducing the total number of equipment that is part of the automatic locomotive signaling, and thus reduce the risk of failure of the computer components of automatic locomotive signaling with a concomitant reduction in energy intensity.

This ensures the achievement of the technical result, which consists in reducing the risk of failure of the components of the automatic locomotive signaling with a concomitant decrease in energy intensity, thereby increasing the reliability and improving the performance of the automatic locomotive signaling.

The group of inventions has a set of essential features previously unknown from the prior art, which indicates its compliance with the "novelty" patentability criterion.

The prior art knows a method for coding the track sections of a station or a haul, in which data on the direction of movement of a train on a track section are used to code the track sections, however, the prior art does not know the use of data for the same purposes about which in relation to the supply end of the DC the track section is occupied, and the effect of using this data in coding is not known, which consists in reducing the number of code signal generation devices and thus reducing the total number of equipment in the automatic locomotive signaling system.

In view of this, a group of inventions meets the criterion of patentability "inventive step".

The inventions from the group of inventions are interconnected and form a single inventive concept, which consists in the fact that the automatic locomotive signaling provides the implementation of the method of coding track sections at the station or stage, which indicates the compliance of the group of inventions with the criterion of patentability "unity of invention".

The invention is illustrated by the following figures.

Fig. 1 - Functional diagram of automatic locomotive signaling.

Fig. 2 - Block diagram of the algorithm for coding way sections at the station (part 1).

Fig. 3 is a block diagram of the algorithm of FIG. 2 (part 2).

Fig. 4 - Block diagram of the algorithm for coding track sections on the stage (part 1).

Fig. 5 is a block diagram of the algorithm for coding track sections on the stage according to FIG. 4 (part 2).

To illustrate the possibility of implementation and a more complete understanding of the essence of the group of inventions, an embodiment of the group of inventions is given below, which can be modified or supplemented in any way, while the present invention is not limited to the presented option.

Automatic locomotive signaling contains RC containing rail threads 1, receiving and transmitting equipment in the form of track generators 2 of RC control signals and track receivers 3 for reading RC control signals, a digital generator of code signals 4, a switching device 5 containing interface code-switching relays and a central control device (not shown in the figures) installed at the station and containing a central processor that provides the ability to determine the direction of movement on the section and determine which of the track sections in relation to the supply end is occupied. Also, the automatic locomotive signaling contains a locomotive signaling device presented in the form of a receiving coil and a locomotive traffic light equipped with a decoder and indicators (not shown in the figures).

At the station, the supply and relay ends of the DC are located alternately on each track section. On the haul, the supply and relay ends of the RC are located alternately through one track section, the supply ends of the RC of two adjacent track sections are combined, the relay ends of the RC of two adjacent track sections are also combined.

At the station, track signal generators 2 are connected to the supply end of the RC, and track receivers are connected to the relay end of the RC of each track section, digital generators 4 of code signals are connected to the supply and relay ends of the RC through switching devices 5 containing interface code switching relays that provide switching of digital generator 4 from the supply end of the RC to the relay and change the direction of coding of the track sections from an odd departure to an even reception.

On the haul, track generators 2 control signals of the RC are connected to the supply end of the RC through one track section, track receivers 3 for reading RC control signals are connected to the relay end of the RC at each track section, digital generators 4 code signals are connected to the supply and relay ends of the RC through switching devices 5, containing interface code-switching relays that provide switching of the outputs of digital generator 4 from the supply end of the RC to the relay, as well as to the nearest supply and relay ends of the RC and change the direction of coding of track sections from odd departure to even reception.

At the station and on the haul, the central control device is connected to each digital generator 4 and switching device 5.

The method of coding way sections at the station is implemented by a number of main stages, which are represented by the block diagram in Fig. 2 and FIG. 3 and include:

step 100, at which the transceiver devices monitor and check the vacancy of the track section by the transceiver equipment. When the track section is free, the method algorithm returns to the beginning. When busy, the algorithm proceeds to the next stage;

step 200, in which the central control device determines the direction of movement in the area. If the direction of travel is determined to be even, the algorithm proceeds to step 311. If the direction of travel is determined to be odd, the algorithm proceeds to step 321;

step 311, at which the central control device sends an order to the switching device 5 for switching the position of the code-switching relays and switching the outputs of the digital generator 4 to the supply end of the DC;

step 312, at which the digital generator 4 generates and sends prohibition signal codes to the rail line of the occupied track section through the cable cores of the supply end of the RC;

step 321, at which the central control device sends an order to the switching device 5 for switching the position of the code-switching relays and switching the outputs of the digital generator 4 to the relay end of the RC;

step 322, at which the digital generator 4 generates and sends prohibition signal codes to the rail line of the occupied track section through the cable cores of the supply end of the RC;

step 400, in which the inductive receiver receives the code signals from the rail threads 1 and converts them by the locomotive traffic light into an alarm for the locomotive driver.

The method for coding track sections on a leg is implemented by a number of main stages, which are represented by a block diagram in Fig. 4 and FIG. 5 and include:

step 100, at which the transceiver devices monitor and check the vacancy of the track section by the transceiver equipment. When the track section is free, the method algorithm returns to the beginning. When busy, the algorithm proceeds to the next stage;

step 200, in which the central control device determines which, in relation to the supply end of the RC, the site is occupied. If the section closest to the supply end is occupied, the algorithm proceeds to step 311. If the section following the RC closest to the supply end is occupied, the algorithm proceeds to step 321;

step 311, at which the central control device sends an order to the switching device 5 to switch the position of the code-switching relays and switch the outputs of the digital generator 4 to the relay end of the DC that serves the occupied section;

step 312, in which the central control device determines the direction of movement in the area and sends orders to the digital generator 4 for encoding;

step 313, at which the digital generator 4 generates and sends prohibition signal codes to the rail line of the occupied track section through the cable cores of the relay end of the RC;

step 321, at which the central control device sends an order to the switching device 5 to switch the position of the switching relays and switch the outputs of the digital generator 4 to the supply end of the DC that serves the occupied section;

step 322, in which the central control device determines the direction of movement in the area and sends orders to the digital generator 4 for encoding;

step 323, at which the digital generator 4 generates and sends prohibition signal codes to the rail line of the occupied track section through the cable cores of the supply end of the RC;

step 400, in which the inductive receiver receives the code signals from the rail threads 1 and converts them by the locomotive traffic light into an alarm for the locomotive driver.

The invention works as follows.

When servicing the station with automatic locomotive signaling, the receiving and transmitting equipment controls the vacancy of the station's track sections. In the absence of rolling stock on the track section, the RC control signal from the track generator 2 connected to the supply end of the RC passes through the RC of the track section and is read by the track receiver 3 at the relay end of the RC, which indicates that the track section is free. When the rolling stock enters the track section of the station and the RC is shunted by the wheelset of the train, the current from the track generator 2 passes through it and the track receiver 3 is de-energized, which indicates that the track section is busy, after which the method algorithm proceeds to the next stage.

The central control device determines the direction of movement on the site and, depending on which direction of movement is determined, the corresponding orders are sent to the switching device 5 to switch the relay position to the position of even reception or odd departure and switching the outputs of the digital generator 4 to the supply or relay end RC.

When the train moves in an even direction, the central control device sends orders to the switching device 5 to switch the code-switching relay to the even reception position and switch the outputs of the digital generator to the supply end of the RC to encode the track section. When changing the direction of the train, the switching device 5 will receive an order from the central control device to switch the coding relay to the odd departure position and switch the digital generator 4 to the relay end of the RC to encode the track section.

After switching the outputs of the digital generator 4 to one of the ends of the RC, it generates and sends prohibition signal codes to the rail line of the occupied track section towards the movement of the train.

The code signal passes through the rails and can be transmitted to the locomotive driver using a locomotive signaling device (not shown in the figures). The receiving coil reads the code signal coming into the rail line from digital generator 4 and transmits it to the decoder of the locomotive traffic light, after which the corresponding indicator lights up on it.

When servicing the haul with automatic locomotive signaling, the receiving and transmitting equipment controls the vacancy of the track sections of the haul.

If any of the haul sections is occupied, the central device determines which of the track sections in relation to the supply end of the DC is busy, the nearest or next after it, and depending on which of them is defined as busy, the central control device sends appropriate orders to the switching device for switching the position of the code-switching relays and switching the outputs of the digital generator 4 to the supply or relay end that serves the occupied section.

If the section closest to the supply end of the RC is determined to be occupied, then the central control device sends orders to the switching device 5 to switch the code-switching relay to the position of even reception and switch the outputs of the digital generator to the relay end of the RC that serves the occupied section, to implement im coding the track section. In the event that the section following the DC closest to the supply end is determined to be busy, the switching device 5 will receive an order from the central control device to switch the switching relay to the odd departure position and switch the digital generator 4 to the supply end of the DC that serves the occupied section, to carry out the coding of the track section.

After switching the outputs of the digital generator 4 to the supply or relay end of the RC, the central control device determines the direction of movement on the site and sends the appropriate orders to the digital generator 4 for coding.

When the train moves in an even or odd direction, the digital generator 4 generates and sends a signal to the rail line of the occupied track section through the cable cores of the supply or relay ends of the RC in the direction towards the movement of the rolling stock.

The code signal can also be transmitted to the driver using a locomotive signaling device.

Thus, the number of code generators required to transmit a signal to the track circuit is reduced, and the technical result is achieved, which consists in reducing the risk of failure of automatic locomotive signaling components with a concomitant reduction in energy intensity, thereby increasing reliability and improving the performance of automatic locomotive signaling.

Claims (7)

1. Automatic locomotive signaling, containing track circuits with transceivers, code signal generation devices, a central control device and a locomotive signaling device that provides the receipt and conversion of code signals, characterized in that the code signal generation devices are presented in the form of digital code signal generators , the outputs of which are connected to the supply and relay ends of the track circuits by means of a switching device that provides switching of the outputs of the digital code signal generator from the supply end of the track circuit to the relay and vice versa. 2. A method for coding the track sections of a station or haul, which includes monitoring the vacancy of the track sections by transceivers, generating and sending code signals to the rail line of an occupied track section of codes corresponding to the train situation, receiving code signals from the rail line by the locomotive signaling device and converting them into an alarm for the locomotive driver, characterized in that when changing the direction of movement of the train on the track section and / or when determining as occupied the track section closest to the supply end of the rail circuit or the next after it, the central control device sends orders to the switching device to switch the outputs of the device for generating code signals from the supply end to the relay end and vice versa, to encode the busy track section. 3. The method according to claim 2, characterized in that when encoding the track sections of the station and the even direction of movement of the train, the encoding of the track section is carried out by a device for generating code signals from the supply end of the track circuit. 4. The method according to claim 2, characterized in that when encoding the track sections of the station and the odd direction of movement of the train, the encoding of the track section is carried out by a device for generating code signals from the relay end of the track circuit. 5. The method according to claim 2, characterized in that when encoding the track sections of the haul and the track section closest to the supply end of the rail circuit, the encoding is carried out by the device for generating code signals from the relay end of the track circuit that serves the occupied track section. 6. The method according to claim 2, characterized in that when encoding the track sections of the haul and the next track section after the track section closest to the supply end of the rail circuit, encoding is carried out by a device for generating code signals from the supply end of the track circuit that serves the occupied track section. 7. The method according to claim 2, characterized in that when coding the track sections of the haul, the coding of the track sections is carried out by the device for generating code signals in the direction opposite to the direction of the train on the track section.

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