RU2288855C2 - System to prevent collision of train at station - Google Patents

Abstract

FIELD: railway signaling and communication.

SUBSTANCE: proposed system provides safety at train and shunting operations at station. Use of existing locomotive and track device of numerical code continuous-type automatic cab signaling system fitted additionally with local-action track pickups and locomotive unit of automatic selection of modes of operation of automatic cab signaling device at block sections and at station prevents collision of train at station with exclusion of unauthorized passing-by stop signal of station track light signal.

EFFECT: enlarged functional capabilities of system, provision of reliable prevention of collision of trains at relatively simplified locomotive and station devices.

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Description

The system relates to the field of railway automation and telemechanics. Known collision avoidance systems of rolling stock at the station, described in various sources, for example:

1. Vakhnin M.I., Ilyenkov V.I., Kotlyarenko N.F., Shishlyakov A.V. Track lock and auto adjustment. M., "Transport", 1966, p. 292-321.

2. Kochnev A.V. Shunting automatic locomotive alarm. Journal "Automation, Communications, Informatics", No. 4, 2000, p. 43-47.

3. Zorin V.I., Shukhina E.E. Traffic safety system for special self-propelled rolling stock. Journal "Automation, Communications, Informatics", No. 4, 2000, p. 38-43.

Closest to the invention in technical essence is the system described in / 1 /, therefore, it is taken as a prototype that contains stationary and locomotive devices for automatic continuous locomotive signaling (ALSN).

The analogue / 3 / contains the ALSN channel equipment using the numerical code signals "Z", "Zh" and "KZh". The analogue / 2 / contains elements for interfacing this system with EC devices (a polling controller for recording data on the status of EC executive devices, a matching device, etc.), equipment for receiving and transmitting radio commands, an on-board controller, into which the driver outputs via the control unit required commands and to which route tasks are received via a radio channel from stationary devices. In this case, the analogue / 2 / involves loading both the driver and the chipboard with additional operator functions.

In analogues / 2, 3 / switching locomotive ALS devices in different modes is performed by the driver, which does not exclude collisions of rolling stock and, in comparison with the option of automatic switching of modes, reduces traffic safety. In addition, the analogues / 2, 3 / suggest the use of relatively sophisticated equipment of both locomotive and stationary automation devices, which increases the cost of the system, and in some cases leads to the practical impossibility of its use, for example, due to the shortage of the frequency range in the radio communication system.

The main disadvantage of the prototype / 1 / is the lack of elements in it to automatically switch track and locomotive ALS devices from the mode that allows after stopping to follow the closed traffic light on the stage with reduced speed (distillation mode of ALS operation when receiving the “QOL” code with its subsequent shutdown), to the station operating mode of the ALS, which absolutely excludes the movement of rolling stock along those station sections of the track that are fenced with closed traffic lights (entrance, route, weekend at driving movements or shunting in shunting movements).

Since not all locomotives and not all stations are equipped with SAUT devices, there is a danger of the train entering the station under the prohibiting signal indication of the input traffic light. The inventive system is aimed at eliminating collisions of moving units.

The technical result to which the invention is directed is to expand the functionality and increase the reliability of the collision avoidance system of rolling stock at the station.

The technical result is achieved by the fact that in the collision avoidance system of the rolling stock at the station, which contains a speedometer, receiving coils, a code signal amplifier with a pulse relay, the switching contact of which is connected to the pole of the locomotive power source, and the front and rear contacts are connected to the counting group of relays a decoder containing a counting and signal group of a relay, a correspondence relay and its repeater, a speed monitoring relay with control bodies associated with speed contacts meter, and in stationary devices, a path choke-transformer, to which a code track transformer is connected through the front contact of the transmitter relay and an inductive current limiter, and the transmitter is connected through the code signal selection unit to the transmitter relay, an automatic switching unit for automatic locomotive signaling operation modes is introduced on the locomotive, containing a relay of distillation and station coding modes, a receiver of safety signals, the output of which is connected to the first relay, forward and reverse pulse signal relays of a locomotive code signal amplifier, and a stationary signal generator and a safety signal receiver with a second relay connected to it, an inverse transmitter relay, a code-switching relay of an inverse signal, a system operability control unit, and a coding relay, are connected to stationary devices with the first capacitor through the first front contact of the reverse follower of the pulse relay, and with the middle output of the voltage divider of the distillation relay the coding mode is connected through its own first front contact and a second front contact of the pulse relay reverse repeater and a second rear contact of the safety signal receiving relay are connected in series with it, the first rear contact of which and the first valve are included in the power supply circuit of the pulse repeater reverse repeater, while in series with the contact speed sensors connected in series to the rear contact of the relay of the coding mode relay and the second front contact of the distillation relay and coding, the second rear contact of which and the first front contact of the relay of the coding mode relay connected to it in series are included in the power supply circuit of the locomotive lamp for monitoring the coding station mode, and the first rear contact of the relay of the coding mode and the second valve are included in the power supply circuit of the direct pulse repeater relay, moreover, the average output of the voltage divider is connected through the third valve and the first rear contacts, respectively, of the forward and reverse followers of the pulse relay to to the second capacitor, and through the fourth valve and the rear contact of the pulse follower reverse relay, the middle output of the voltage divider is connected to the first capacitor, which is connected to the coding relay and to the third capacitor through the first front contact of the pulse follower, and the second capacitor is connected to the station relay coding mode and with the fourth capacitor through the front contact of the direct follower of the pulse relay, the second rear contact of which is connected through the second the capacitor and the relay of the coding station mode with the middle output of the voltage divider, and through the third rear contact of the safety signal receiving relay and the second front contact of the coding station relay, it is connected to the midpoint of the voltage divider, while the third front contact of the pulse follower reverse repeater, the first and second switching the relay contacts of the station coding mode are connected in series to the circuit connecting the amplifier output to the counting group of the decoder relay, and the third The host is shunted by the front contact of the safety signal receiving relay, while the power circuit of the safety signal generator installed in front of the station traffic light is connected through the elements that control the closed state of the given traffic light, the inverse transmitter relay is connected to the direct current source through the elements of the control signal indication of the traffic light and the first rear contact of the safety signal trip relay, and the code-switching relay of the inverse code is connected to the source power through the front contact of the inverse transmitter relay, the first rear contact of which is connected to the output of the choke transformer and through the front contact of the code-switching relay of the inverse code and the rear contact of the transmitter relay with the output of the code track transformer, and the second rear contacts of the inverse transmitter and track contacts connected in series safety signal relays are included in the power circuit of the health monitoring unit, and the transmitter through the code signal selection unit, contacts Utev relay signal safety and control elements of the signal reading track traffic connected to the transmitter and relay inverse transmitter relay.

Figure 1 and 2 presents the electrical circuit of the collision avoidance system of rolling stock at the station.

The collision avoidance system of the rolling stock at the station contains a speedometer 21 on the locomotive, receiving coils 28, a code signal amplifier 29 with a pulse relay 18, the switching contact of which is connected to the pole of the locomotive power source, and the front and rear contacts (18.1, 18.2) are connected to the counting group the decoder relay 20, containing the counting and signal group of the relay, the correspondence relay and its repeater, the speed monitoring relay with control bodies associated with the contacts of the speed meter 21, and in stationary devices tvah - a path choke-transformer 34 to which a code track transformer 38 is connected through a front contact 42.1 of the transmitter relay 42 and an inductive current limiter 37, and a transmitter 49 is connected via a code signal selection unit 48 to the transmitter relay 42, the automatic switching unit 19 of the automatic locomotive alarm containing relay 3 distillation and relay 4 station encoding modes, the receiver 30 of the safety signals, the output of which is connected to the first relay 31, direct repeater 1 and reverse repeater 2 pulse relays of a locomotive amplifier 29 code signals, generator 36 of safety signals, track receiver 39 of safety signals with a second relay 40 connected to it, inverse transmitter relay 43, code-switching relay 44 of inverse signal, control unit of system operability, relay 3 of coding mode connected to the first capacitor 9 through the first front contact 2.1 of the reverse follower 2 of the pulse relay, and to the middle terminal of the voltage divider 15 of the relay 3 of the coding distillation mode is connected via the first front contact and the second front contact of the pulse repeater 2 of the reverse repeater 2 and the second rear contact of the first safety signal receiving relay 31, the first rear contact of which and the first valve 6 are included in the power supply circuit of the pulse repeater 2 of the pulse relay in series with by the contact of the speedometer 21, the rear contact of the relay 4 of the station coding mode and the second front contact of the relay 3 of the distillation coding mode are connected in series, second whose rear contact and the first front contact 4.5 of relay 4 of the station coding mode connected to it in series are included in the power supply circuit of the locomotive lamp for monitoring the station coding mode, and the first rear contact of relay 3 of the coding mode and the second valve 5 are included in the power supply circuit of the direct pulse repeater 1 relay, and the middle output of the voltage divider 15 is connected through the third valve 16 and the first rear contacts, respectively, of the forward and reverse followers (1, 2) of the pulse relay to the second the capacitor 14, and through the fourth valve 35 and the rear contact of the pulse follower 2 of the pulse relay, the middle output of the voltage divider 15 is connected to the first capacitor 9, which is connected to the relay 3 of the coding mode and to the third capacitor 11 through the first front contact of the pulse follower 2 and the second capacitor 14 is connected to the relay 4 of the station coding mode and to the fourth capacitor 12 through the front contact of the direct repeater 1 of the pulse relay, the second rear contact of which is connected through Without a second capacitor 14 and a relay 4 of the station coding mode with the middle output of the voltage divider 15, and through the third rear contact of the relay 31 for receiving safety signals and a second front contact of the relay 4 of the station coding mode, it is connected to the negative terminal of the power source, while the third front contact of the reverse repeater 2 pulse relays, the first and second switching contacts of the relay 4 of the station coding mode are connected in series to the circuit connecting the output of the amplifier 29 with the counting group of the decoder relay 20, and the third capacitor 11 is shunted by the front contact of the safety signal receiving relay 31, while the power circuit of the safety signal generator 36 installed in front of the station traffic light is connected through elements controlling the closed state of the given traffic light, the inverse transmitter relay 43 is connected to a constant current source through the control elements of the signal indication of the traffic light and the first rear contact of the safety relay 40, and the code-switching relay 44 is inverse This code is connected to the power source through the front contact of the inverse transmitter relay 43, the first rear contact of which is connected to the output of the choke transformer 34 and through the front contact of the code-switching relay 44 of the inverse code and the rear contact of the transmitter relay 42 with the output of the code path transformer, and in series the connected second rear contacts of the inverse transmitter relay 43 and the trip relay 40 of the safety signal are included in the power circuit of the health monitoring unit, and the transmitter is 49 cut block 48 selection of the code signal, the contacts of the track relay 40 of the safety signal and the control elements of the signal indication of the traffic light is connected to the transmitter relay 42 and the inverse transmitter relay 43.

Figure 1 and 2 also depict:

elements 7 and 8 adjust the time parameters of the relay 1 and 2;

resistor limiters (10, 17) of the capacitor charge current;

resistor limiter 13 of the capacitor discharge current;

voltage divider 15;

contacts 1.1, 1.2, 1.3 - relay 1;

contacts 2.1, 2.2, 2.3, 2.4 - relay 2;

contacts 3.1, 3.2, 3.3, 3.4 - relay 3;

Contacts 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7 are relay 4, and contacts (4.1, 4.2) and (4.3, 4.4) form the first and second switching contacts, 4.5 are the first front, 4.6 are the second front, 4.7 - rear;

pin 22.1 of the compliance relay (C);

contact 23.1 of the repeater of the compliance relay (PS);

contacts 24.1 and 24.2 of the red-yellow light relay (QL);

contacts 25.1, 25.2, 25.3, 25.4 of the yellow fire relay (G);

contacts 26.1, 26.2 of the green light relay (W);

locomotive traffic light 27;

lamp 27.1 green signal light;

yellow warning light lamp 27.2;

lamp 27.3 yellow-red signal light;

lamp 27.4 of a red signal light;

white light lamp 27.5;

lamp 27.6 control station mode coding, for example a white light with the letter "C";

contact 21.1 of the speed meter, opening when the speed exceeds Vk = 20 km / h,

contact 21.2 of the speed meter, opening when the speed exceeds Vkzh;

contact 21.3 of the speed meter, opening when speed Vzh is exceeded;

receiving coils 28;

amplifier 29 ALS code signals;

a receiver 30 of safety signals received from a local directional travel sensor monitoring an inverse coding zone before a closed stationary traffic light;

contacts 31.1, 31.2, 31.3, 31.4 of the locomotive safety signal receiving relay;

N and NP - input and pre-entrance traffic lights of odd reception;

rails 33 of the path of the block section, fenced by the pre-entry traffic light NP;

throttle transformer 34;

generator 36 of the safety signals of the track sensor local action;

protective section 47;

inductive current limiter 37;

code transformer 38;

safety receiver 39;

safety relay 40;

elements 41 control signal indications at the input traffic light H;

transmitter relay 43;

code-enabling relay 44 inverse code;

contacts 45.1, 45.2 of the fire relay BO of the invitation signal of the input traffic light N (the relay BO itself is not shown);

contacts 46.1, 46.2 of the repeater (ZhZO) of the green (ZO) fire relays and the upper (first) yellow (1 ЖО) signal lights of the input traffic light (the ZhZO relay itself is not shown);

contacts 40.1, 40.2, 40.3 of the safety relay;

front and rear contacts 42.1 and 42.2 of the transmitter relay;

rear contacts 43.3,43.1 inverse transmitter relay;

front contact 43.2 of the inverse transmitter relay;

front-end contact 44.1 of the code-enabling relay of the inverse code;

block 48 selection of a code signal through the contacts of the washers W, F, QOL of the transmitter, depending on a given reception route and signal indications of the output traffic light (not shown);

contacts 49.1 green, 49.2 yellow, 49.3 red-yellow code signal and motor 49.4 - transmitter 49;

elements 50 that control the closed state of the traffic light;

contacts 51.1, 51.2, 51.3, 51.4 of the indicator relay of the NRU of the input traffic light N (the indicator relay of the permissive readings of the NRU is not shown);

front contact 52.1 of the NCO relay for monitoring the main and backup threads of the red lamp at the input traffic light H (with EC with central power supply);

front contact 53.1 relay Н2ЖБ of actual burning control of the invitation light at the traffic light Н;

contacts 54.1, 54.2, 54.3 of the track relay of the non-shooting section of the NAP located between the input H and the shunting M1 traffic lights;

contacts 55.1, 55.2 of the control-relay relay;

contacts 56.1, 56.2 of the signal relay Н1С of the output traffic light from the main path;

P, M - plus and minus poles of the DC source (the source itself is not shown);

ПХ, ОХ - poles of an alternating current source of voltage 220 V;

transformer 49;

+50 - positive pole of a locomotive current power source, voltage 50 V;

-50 - minus pole of the power source, voltage 50 V;

K - wheelsets of a mobile unit;

lamps 57 and 58 for monitoring the operability of safety equipment;

the source 59 of the sound signal accompanying the optical signaling lamp 58.

Figures 1 and 2 also show elements of track development enclosed by a pre-entry track, input H and shunting traffic lights M1.

The device operates as follows.

When a train moves along a stage equipped with coded rail chains, the ALSN locomotive devices, when receiving the “Z”, “Zh”, “KZh” code signals, are decrypted by the decoder 20, relays 22, 23, 24, 25 occupy the position corresponding to the received code on the locomotive traffic light 27, the corresponding signal lights are turned on, and in the zone of approach of the train with an obstacle, control of the driver’s vigilance and control of exceeding the corresponding speeds are also provided; at the same time, in block 19, relay 2 operates in a pulsed mode, ensuring that relay 3 of the coding mode is switched on. Contact 3.1 breaks the power supply circuit of relay 1. Contact 3.4 closes the standard circuit of contacts 21.1 (Vк), 21.2 (Vкж) and 21.3 (Vж) of the speed meter 21; at the same time, the rear contact 4.7 of relay 4 of the station coding mode remains continuously closed.

Thus, on the stage, the decoder 20 implements the ALSN program of work in the usual manner, since the time and other parameters of relays 1, 2, 3, 4, 31 of block 19 are adjusted accordingly, interconnected according to the presented diagram (see Fig. 1 and 2) and linked to typical blocks 20, 21, 27, 28, 29. The parameters of relays 1 and 2 are regulated using elements 7 and 8.

When the train approaches the closed indoor traffic light within the protective section 47, the ALS automatically switches from the distillation mode to the station one.

In the relay cabinet of the input traffic light, a local-action sensor is installed, consisting of a generator 36 of safety signals of increased tonal frequency and a track receiver 39 of the same frequency, the output of which is connected to a normally-excited track relay 40 of the safety signal. The output of the generator 36 is connected via a throttle transformer 34 to the rails at the output end of the protective section 47, to the input end of which the input of the track receiver 39 is connected.

Relay 40 is de-energized when shunting the pair of wheels To the protective section and when the input traffic light is closed (see contacts 45.2 and 46.2) it turns on the rear contact 40.2 the power supply circuit of the inverted transmitter relay 43. The slow-acting relay 44 is activated and sending the inverse relay to the rails of the protective section by the rear contact 43.1 code signal "QOL", which is received on the locomotive receiving coils 28. At the same time, the receiver 30 receives a safety signal. Relay 31 is energized, relays 2 and 3 are turned off, and a slow-acting relay 4 of the station coding mode is activated. The contacts 4.2, 4.4 are opened and the front contacts 4.1, 4.3 are closed, which converts the inverse code signal "KZh" received on the locomotive into non-inverse; in the decoder 20, all signal relays (24, 25, 26 - in the prototype relays KZh, Zh, Z) are de-energized, at the locomotive traffic light 27, a lamp 27.4 (red signal) and a lamp 27.6 (signal light with the letter "C" - station) are turned on. This ensures a forced stop of the train when the input traffic light is closed, since the contacts 3.4 and 4.7 connected to the speed meter 21 remain open until the input traffic light is open.

With the opening of the traffic light, the inverse relay 43 is disconnected from the code power and normal coding starts using the transmitter relay 42 turned on at the same time (see contacts 45.1 and 46.1). At the same time, the power of the generator 36 is turned off, as a result of which, with a time delay, the relay 31 is turned off and the contact 31.1 turns on the circuit to power the relay 2. The relay 3 is activated and the relay 4 is de-energized, allowing it to follow at a speed of not more than 20 km / h only until the next station traffic light, for which there is a protective section with safety equipment (not shown), which works similarly to that considered for the input traffic light. Similar protective sections and safety control equipment are installed from the exhaust tracks, at the exits from the locomotive facilities, the cargo yard, in front of the exit traffic lights and thereby prevent the collision of the rolling stock, as this prevents unauthorized passage of the closed track signal.

The operation of the main track control devices for traffic safety is accompanied by an optical and audible alarm at the EC post: lamp 58 lights up exactly when monitoring the false occupancy of protective section 47 and blinks after the train enters this section when the entrance light is closed. Light identification is accompanied by sound.

Claims (1)

A collision avoidance system for rolling stock at the station, containing a speedometer, receiving coils, a code signal amplifier with a pulse relay, the switching contact of which is connected to the plus pole of the locomotive power source, and the front and rear contacts are connected to the counting group of the decoder relay, also equipped with a counting and signal groups of relays, correspondence relays, its repeaters and speed control relays with control bodies associated with the contacts of the speed meter, and in stationary devices The device is equipped with a path choke-transformer, to which a code track transformer is connected through the front contact of the transmitter relay and an inductive current limiter, and the transmitter is connected via the code signal selection unit to the transmitter relay, characterized in that an automatic switching unit for operating automatic locomotive signaling is entered on the locomotive containing a relay of distillation and station coding modes, a safety signal receiver, to the output of which a first signal reception relay b is connected safety, direct and reverse repeaters of the pulse relay of the locomotive code signal amplifier, and the stationary signal generator and safety signal receiver with a second (track) safety signal receiving relay, an inverse transmitter relay, a code-switching relay of the inverse signal and a system operability control unit, the relay of the coding distillation mode being connected to the first capacitor through the first front contact of the reverse pulse repeater one relay, and with the middle output of the voltage divider, the coding relay is connected via its own first front contact and a second front contact of the pulse repeater reverse repeater and a second rear contact of the safety signal receiving relay, the first rear contact of which and the first valve are connected to the circuit power supply of the reverse repeater of the pulse relay, in series with the speedometer contact, the rear mode relay contact of the station mode is connected in series coding and the second front contact of the relay of the coding mode relay, the second rear contact of which and the first front contact of the relay of the coding mode connected to it in series are included in the power supply circuit of the locomotive lamp for monitoring the station coding mode, the first rear contact of the relay of the coding mode and the second valve are connected to the circuit power supply of the direct repeater of the pulse relay, the middle output of the voltage divider is connected through the third valve and the first rear contacts, respectively about the direct and reverse impulse relay followers to the second capacitor, and through the fourth valve and the rear contact of the impulse relay follower, the middle output of the voltage divider is connected to the first capacitor, which is connected to the coding relay and to the third capacitor through the first front contact of the pulse follower the second capacitor is connected to the relay of the coding station mode and to the fourth capacitor through the front contact of the direct follower of the pulse relay, whose rear contact, through the third rear contact of the safety signal receiving relay and the second front contact of the station coding relay, is connected to the midpoint of the voltage divider, the third front contact of the pulse repeater reverse repeater, the first and second switching contacts of the station coding relay are connected in series to the circuit connecting the output of the code signal amplifier with the counting group of the decoder relay, the third capacitor is shunted by the front contact of the signal receiving relay in safety, the power circuit of the safety signal generator installed in front of the station traffic light is connected through the elements that control the closed state of the given traffic light, the inverse transmitter relay is connected to the direct current source through the elements of control of the signal indication of the traffic light and the first rear contact of the second safety signal receiving relay , the code-enabling relay of the inverse code is connected to the power source through the front contact of the inverse transmitter relay, the first rear contact of which is connected to the output of the throttle transformer and through the front contact of the code-switching relay of the inverse code and the rear contact of the transmitter relay with the output of the code of the path transformer, the second rear contacts of the inverse transmitter relay and the safety relay of the trip signal are connected in series to the power supply circuit of the control unit operability, and the transmitter through the code signal selection block, the contacts of the safety signal relay and the control elements of the signal The traffic light is connected to a transmitter relay and an inverse transmitter relay.

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