RU2648533C1 - Method of alerting railway station workers on approaching rolling stock using means of intercommunication - Google Patents

Abstract

FIELD: transportation; control systems.

SUBSTANCE: invention relates to railway automation and telemechanics. In the method, a collective portable siren is installed in each area of works, each area number is entered into the controller of each collective portable siren and the coordinates of the zone are set using the navigation receiver of the collective portable siren connected to the GLONASS / GPS network, in the absence of a rolling stock, the collective portable siren transceiver receives control signals from the stationary notification station, and the navigation receiver of the collective portable siren receives navigation signals from the GLONASS / GPS network, the coordinates received from the network are compared with those set in the collective portable siren for the given zone, if they are the same and if all collective portable siren nodes are in good order, the handshake signals are generated in the collective portable siren controller and transmitted by the transceiver to the stationary notification station, if the station system detects a rolling stock approaching the area of works, a command to activate the alert is sent through the stationary notification station to the collective portable siren, the alert is being repeated until the collective portable siren receives a signal from the free zone through the station system that the zone is safe.

EFFECT: improved reliability of alerting workers on railway tracks is achieved.

4 cl, 2 dwg

Description

The invention relates to the field of railway automation, telemechanics and communications, is intended to notify the station workers on the railway tracks of approaching the place of work of the railway rolling stock and is a technology for using the warning system of the station workers on the tracks SOPR-160 in the structure of the park communication system at railway stations of any class, cargo yards, depots, industrial enterprises and other railway facilities.

There is a known notification method for those working on railway tracks using station park communication, whereby loud-speaking notification of station workers on railway tracks about the approach of rolling stock to the place of work is carried out on the basis of information received from the electric centralization (EC) system that analyzes the movement of rolling stock around the station , the information from the EC system through the local network goes to the station control server, which generates voice messages about the approach of rolling stock to the place of work. The generated voice messages from the server output through the local network are sent to the broadcast amplifier, and then to the corresponding feeder notification line in the two-way park communication system (RU 2497176 C1, publ. 10.27.2013).

The disadvantage of this method is the transmission of control signals about the absence of rolling stock and notification of its approach along the feeder lines of loud-speaking park communication and their audibility over a large territory. These signals can be received by another repair team, to which these signals do not apply, while creating false ideas about the lack of rolling stock and reducing the safety of repair work on railways. In addition, a loud-speaking warning interferes with residents of residential buildings surrounding the railway park.

The Siren system is known for alerting track crews about the approach of a train, which records the location of the team through the use of satellite navigation and radio communications between the leader of the track crew and the locomotive driver (“The concept of improving traffic safety through the use of multifunctional complex train control systems on railways” Moscow, 2006, p. 92).

The disadvantage of this system is that the location of the track crew is not localized in the general control system and in the absence of prompt notification of the track crew because of the need to pre-conduct manual exchange between the leader of the track crew and the train operator of an approaching train.

The closest in technical essence is the method of monitoring and alerting about the approach of rolling stock, according to which mobile units of rail transport with serviceable integrated locomotive safety devices with good GSM communication constantly interact with the application server via GSM mobile cellular radio channels. Blocks of individual alerts for workers of travel crews also constantly interact with the application server via GSM mobile cellular radio channels. The approach of moving units of rail transport to the place of work is recorded both by GPS coordinates of the location of the moving unit, and by the fact that its wheels passed over the sensitive elements of the self-tested track sensors for passing the wheels of the moving units of rail vehicles of track control units (RU 2467902 C1, B61L 23/06, 11/27/2012).

The disadvantage of this system is the need to use a central control station (dispatcher) if there is a rolling stock on the site that is not equipped with an integrated locomotive safety device that provides GSM radio communication, as well as the lack of periodic monitoring (every 12-15 seconds) for the system is in good working order and there is no objective confirmation of playback warning signals by individual warning blocks.

The objective of the present invention is the creation of a reliable and effective warning system for workers on the railway station of the approach of rolling stock, not equipped with a complex locomotive safety device that provides GSM radio communication.

The indicated technical problem is solved by the method of warning the station workers on the railway tracks, namely, in each zone of work, a collective portable siren (KPO) is installed, the number of the work zone is entered into the controller of each KPO, according to which the KPO navigation receiver connected to the network GLONASS / GPS, set the coordinates of the work area, in the absence of rolling stock, the KPO transceiver receives control signals from a stationary warning station (SRO), and the navigation receiver K О receives navigation signals from the GLONASS / GPS network, compares the coordinates received from the GLONASS / GPS network with the coordinates set in the KPO for a given zone, if they coincide and if all the KPO nodes are in good working order, acknowledgment signals are generated in the KPO controller and transmitted to the SRO using when the station system (SS) detects rolling stock approaching the work area, they send a command to turn on the notification through the SRO to the KPO, the warning signals are reproduced using the KPO speaker and optical emitter, until t SS through SRO will not receive the signal of free zone.

In addition, simultaneously with the transmission of acknowledging signals by the KPO transceiver to the SRO using the KPO transmitter, the control signal is transmitted to individual wearable sirens (INO).

In addition, when reproducing warning signals through the KPO speaker, KPO transmit signals are transmitted to the SRO via the KPO transceiver containing a command to turn on the signal from the station duty officer.

In addition, in the event of a communication failure, or when the KPO is removed from the zone, or during other KPO failures, using the KPO speaker they generate an alert signal of a different duration than when the composition approaches, and transmit signals to the SRO using the KPO transceiver containing a command to turn on the alarm KPO faults at the station duty officer.

The technical result achieved by the proposed invention is to provide alerts working on the station’s tracks about the approach of rolling stock on the basis of information about its approximation received from the park communication systems (SS) of the stationary transceiver (stationary warning radio station - SRO) associated with the collective portable radio channel sirens (KPO), reproducing sound and optical signals, and individual wearable sirens (INO), switching into vibration and playback mode nagging sound and optical signals.

The method is intended to notify the station workers on the railway tracks of the approaching railway rolling stock on the basis of information received from the station systems of railway automation and telemechanics (such as the MPC - microprocessor-based electrical centralization system or MALS - shunting automatic locomotive signaling) included in the park communication structure .

Alerting is carried out using an autonomous system containing a stationary radio station of the 160 MHz band (SRO - stationary warning radio station), a stationary control controller (UKS) and a signal panel (SP) of the station duty officer. The corresponding SS outputs are connected to the UKS.

In contrast to the known method (RU 2467902 C1), in which a public mobile communication network is used for communication between the elements, the proposed system for communication uses the allocated technological communication frequencies of the Russian Railways (151.7-156 MHz), which eliminates the dependence on the state of the network (workload, etc.) of a third-party organization.

Thus, increasing the reliability and efficiency of alerts working on railway tracks about the approach of rolling stock is achieved due to the following factors:

- use of information from existing SS;

- the use of communication channels based on technological radio communications;

- the use of collective portable devices with the GLONASS / GPS navigation system to receive alerts at a specified place for repair work;

- use of one frequency for communication with all KPO;

- use of portable individual sirens;

- local notification at the work sites and the use of wearable individual sirens do not create acoustic interference for residents of residential buildings surrounding the railway park;

- ensuring continuous monitoring of the functioning of equipment and communication channels.

In FIG. 1 shows a structural diagram of a warning system (SOPR-160) that implements the proposed method.

In FIG. 2 shows an information exchange algorithm used in the proposed notification method.

The composition of the warning system working on the railway tracks of the SOPR-160 station includes:

- a stationary set of equipment, comprising: a stationary radio station 1 alert (SRO), a station control controller 2 (UKS) connected to it and a signal panel 3 of a station duty officer (SP) connected to UKS 2;

- collective portable sirens 10 (KPO), each of which includes a transceiver 6 (PP), a navigation receiver 7 (NP) and a transmitter 8 (Tx), connected to the controller 11;

- individual wearable sirens 9 (INO).

The system through a stationary radio station 1 is connected to a station system 4 (SS), including a workstation 5 (AWP).

To alert workers, an analogue radio station CPO 1 is used, interfaced through the UKS 2 control controller with a station system 4, which includes an automated workstation 5. UKS 2, together with a signal panel 3, is installed at the station duty station workstation.

It is connected to the SRO 1 via the KPO 10 radio channel, which, in turn, is connected via the radio channel to the individual wearable sirens (INO) 9. Each KPO 10 is equipped with a certain number of INO 9 interacting with it.

The way to alert working on the railway station is as follows.

The proposed SOPR-160 system assumes that there are 5 KPO units at the station. All work areas at the station are indicated by numbers 1 through 5, which are entered in the CC 4 system. In FIG. 1 conventionally shows two KPO 10: KPO-1 and KPO-2. For the interaction between SRO 1 and all KPO 10 at the station, one frequency is used. Before starting work at the request of the foreman, the station duty officer enters the work zone number through AWP 5 into SS 4. The specified unique number of the zone is determined by the foreman on the KPO 10 keyboard. When setting the zone number in KPO 10, the coordinates of this zone are automatically set, which are compared with the received coordinates from the navigation receiver NP 7 connected to the GLONASS / GPS network.

In the absence of rolling stock when placed in the KPO 10 work area, the PP 6 transceiver unit receives control signals from the CPO 1 and GLONASS / GPS navigation signals through the NP 7 navigation receiver unit.

If the coordinates received from the GLONASS / GPS network coincide with the coordinates set in KPO 10 for a given zone and if all the KPO 10 nodes are in good working order, acknowledgment signals are generated in the controller unit 11 and transmitted using PP 6 to CPO 1. On the signal panel SP 3 at the station duty officer this indicates the normal operation of KPO 10. At the same time, KPO 10 transmits a control signal to the INO 9 through the transmitter unit PRD 8.

The control signals are reproduced through the speaker 12 KPO 10 and through the speaker INO 9 every 10-15 seconds (an interval equal to the period of re-inclusion of the first time interval).

Upon detection of rolling stock approaching the work area from SS 4, the transmission of the work area free command ceases and commands to turn on alerts begin, which are transmitted through CPO 1 to KPO 10.

When reproducing the warning signals through the speaker 12 from the controller 11 through the transceiver 6 to the stationary radio station 1 alerts are sent acknowledgment signals containing messages that cause the corresponding signaling to be activated on the signal panel 5 of the station duty officer.

The alert signal has a duration of 2 seconds with a repeat period of 4 s. The notification shall continue until a zone free command is received from the station system 4.

In the event of a communication failure, if the speaker D 12 is malfunctioning (controlled by the microphone M 13), when KPO 10 is removed from the specified zone and other failures, KPO 10 and INO 9 are played through the speaker 12 with a warning signal lasting 1 minute, and a malfunction signal is displayed on the signal panel 3 on duty KPO 10 in a specific area of work.

In order to make it possible to use one radio frequency to organize the simultaneous notification of workers in several zones of the station when there are up to five KPOs 10 for communication of SRO 1 with each KPO 10, a radio communication protocol with time division is developed that takes into account all possible combinations of system states.

In FIG. 2 presents the algorithm for the exchange of information in the warning system (SOPR-160).

The repetition period of the time intervals of the radio protocol is not more than 12-15 seconds.

Each KPO 10 interacts with SRO 1 only in its own time interval (KPO-1 - in the first interval, KPO-2 - in the second, etc.). With an increase in the number of KPOs (more than five), the time interval can be reduced, for example, to 0.5 seconds.

The unique address of the zone is transmitted from SRO 1 in the corresponding time interval and is received by the KPO 10 located in the specified zone (on which the unique address of the zone is set).

Below are the characteristics of the nodes included in the proposed system SOPR-160.

Stationary Control Controller (UKS)

UKS 2 is designed to provide interaction between SRO 1, SS 4 and the signal panel 3 of the station duty officer (SP).

UKS 2 provides the following basic functions:

- the formation of control and warning signals transmitted through SRO 1 to KPO 10 upon receipt of relevant information from SS 4 (for example, MPC);

- reception, decryption and output to the joint venture 3 acknowledgment signals (diagnostics) from KPO 10.

UKS 2 is made in the form of a single construct with a signal panel 3 on duty at the station (SP).

The signal panel of the station duty officer (SP).

On the front side of the signal panel 3 there are up to 30 groups of signal indicators for displaying the status of KPO 10. UKS 2 together with SP 3 are installed at the workplace of the station duty officer.

Collective Portable Annunciator (KPO)

KPO 10 provides the following functions:

- targeted reception of monitoring and notification radio signals transmitted by CPO 1;

- reception of navigation signals from the GLONASS / GPS network;

- broadcast control signals and alerts to individual wearable sirens INO 9;

- reproduction of acoustic control signals and warning signals;

- reproduction of optical control and warning signals;

- transmission of the control radio signal to CPO 1 (receipts).

KPO 10 includes:

- transceiver 6 - radio station with SRO 1;

- receiver 7 navigation signals from the GLONASS / GPS network;

- transmitter 8 control signals and alerts to INO 9;

- a control unit with a shaper of control tones and an audible warning signal - controller 11;

- speakers D 12;

- control panel and displays PUI 15;

- optical emitter OI 14;

- removable battery;

- antennas;

- control microphone M 13.

The above devices are housed in a common housing that is easy to carry.

KPO 10 has the following acoustic parameters:

- an audible control signal in the range from 300 to 3500 Hz and a duration of 1-2 s with a repetition period every 10-15 s. The sound pressure level is not more than 80 dB and not less than 70 dB at a distance of 1 m from the speaker 12 along the axis of the speaker;

- the warning sound signal is reproduced in the frequency band from 60 to 7000 Hz, has a duration of 2 seconds with a repetition period of 4 seconds. Sound pressure level within (90 ± 5) dB at a distance of 1 m from speaker 12 along the axis of the loudspeaker.

The optical signal reproduced by KPO 10 meets the following requirements:

- LED lamp with orange LEDs with a total power of at least 10 W;

- An orange optical signal lasting approximately 0.5 seconds with a repetition period of 4 seconds is emitted during the transmission of an alert.

KPO 10 is equipped with a controller 11, which provides radio channel information to the signal panel 3 of the station duty officer on the normal functioning of KPO 10 with the correct reproduction of sound signals and when the KPO 10 is in the specified zone.

If at least one of these conditions is not met, a signal of failure (accident) is transmitted.

The weight of KPO does not exceed 3 kg, excluding the weight of the mount.

KPO design is designed for its installation in the working position on the subgrade.

On the control panel and displays PUI 15 are located:

- a keypad providing the installation of a unique KPO address;

- key switch and power-on indicator;

- button for manual on / off notification mode;

- signal indicator of normal functioning;

- signal indicator of being in a given zone;

- a signal indicator of being outside a given zone;

- signal indicator of failure (accident).

Individual wearable sirens (INO)

KPO 10 transmits to the INO 9 control signals with a frequency of 425 Hz with a frequency of at least once every 15 seconds.

KPO 10 transmits a warning signal to INO 9 with a frequency of 1 kHz immediately when an alert is triggered by a command with SRO 1.

Claims (4)

1. A way to alert workers on the station’s railway tracks, namely, that in each area of work, a collective portable siren (KPO) is installed, the number of the work area is entered into the controller of each KPO, using which the KPO navigation receiver connected to the GLONASS network / GPS, set the coordinates of the work area, in the absence of rolling stock, the KPO transceiver receives control signals from a stationary warning station (SRO), and the KPO navigation receiver receives navigation signals from the set GLONASS / GPS, compare the coordinates received from the GLONASS / GPS network with the coordinates set in the KPO for this zone, when they coincide and when all the KPO nodes are in good working order, the acknowledgment signals are generated in the KPO controller and transmitted to the SRO when it is detected by the station system (SS) rolling stock approaching the work area send a command to turn on the notification through the SRO to the KPO, the KPO alert signals are reproduced until the zone free signal arrives from the SS through the SRO to the KPO. 2. The method according to p. 1, characterized in that simultaneously with the transmission of acknowledging signals by the KPO transceiver to the SRO using the KPO transmitter, the control signal is transmitted to individual wearable sirens (INO). 3. The method according to claim 1, characterized in that when the KPO warning signals are reproduced, acknowledgment signals are transmitted to the SRO via the KPO transceiver containing a command to turn on the signal from the station duty officer. 4. The method according to claim 1, characterized in that in the event of a communication failure, or when the KPO is removed from the zone, or with other KPO failures, the KPO alert signal of a different duration than when the composition is approached is transmitted and the signals are transmitted to the SRO using the KPO transceiver, containing a command to turn on the KPO fault alarm at the station duty officer.

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