RU173548U1 - The crate of a specialized control complex for automatic locking of the ABCM-A system - Google Patents

Abstract

The crate of the specialized ABTSM-A automatic blocking control system is intended for installation in the cabinet of devices for one half of the stage. The crate contains the main and backup sets of modules, each of which includes a power supply unit of this set, a control module for the first block section from the station, control modules for the remaining block sections according to their number per half section and a module for matching two half-sets of one section. On the rear side of the rack there are cross-modules of the main and backup set of modules and connectors for connecting links to external devices. Each of the modules installed in the crate contains two synchronously working channels. Each channel has the elements necessary for performing the function corresponding to this module and monitoring its operation, the outputs of which are connected to a ring common to all modules and connected to a safe comparison circuit, which generates an output control enable signal for all dialing modules. of module installation, each module location has a number specified on the contacts of their connectors. The main and backup set modules are interconnected by a system bus consisting of a parallel lines of control, information, control and diagnostic signals, a set of unidirectional buses of intermodular information exchange and power bus. The system bus also includes power and control circuits for the executive and control self-locking relays. The front panels of the modules are equipped with display elements that show the presence of supply voltages, the state of the first and second channels of the device, the relays connected to it, the first and second stages of the comparison circuit, and ports. In addition, a device restart button with protection against accidental pressing is installed.

Description

The proposed device relates to means for controlling the movement of trains in railway transport, in particular to devices for automatically blocking the movement of trains on stages.

A device is known for automatic blocking on hauls (see RF patent No. 2406635, IPC B61L 23/16. Method for controlling the freedom of a rail line included in a traffic light dependence). This device is built on electromagnetic relays, and its action is that after following the train along the block, it checks the operation of the traffic light control device and the rail circuit, its absence of false freedom or busy when disconnecting and connecting the power, i.e. the correct operation of the rail chain in normal and in shunt mode. Only after this is the inclusion of a permissive indication of a traffic light. This device consists of two half-sets of equipment, each of which is designed for interval regulation of the movement of trains on half of the stretch adjacent to the station at which this half-set is installed. Half-sets are interconnected by linear wires. Each half-set consists of separate control devices for each passing traffic light of its own half of the drive and control of the state of rail circuits, which is part of the dependence of this traffic light. The device is made in the form of racks with electromagnetic relays installed on them. Moreover, in the known device relays are used in which the possibility of failure dangerous for the movement of trains is structurally excluded. When constructing a control device for a similar purpose on a microelectronic element base, uncontrolled failures may occur with a long absence of trains, i.e. with a long break between the moments of monitoring the correct operation of the device, which is a disadvantage of the considered method.

Known devices for interval regulation of the movement of trains on the stage, built on a microprocessor-based elemental base (see the textbook "Systems of railway automation, telemechanics and communications", 2012, part 1, p. 87). These devices also consist of two half-sets of equipment, each of which is located on the station adjacent to this half of the stage. The equipment bundle contains two identical microprocessor-based information processing channels operating synchronously. The control of their correct operation is carried out by comparing the signals at the corresponding control points of the channels and allowing the issuance of a control command if they coincide or prohibit the issuance of this command otherwise. The half-set equipment is located in cabinets in which the racks with microelectronic and microprocessor modules are installed.

The disadvantage of this device is the possibility of influencing the process of its functioning of external unauthorized influences, as well as the appearance of unacceptable events associated with informational influences or “cyber attacks”. In addition, in this device, when following a train over a section, a sequential check of the operation of traffic light control devices is not carried out, which reduces the operational reliability and safety of the device. This device is closest to the claimed technical solution.

The goal, the claimed technical solution is aimed at, is to eliminate the possibility of informational impact on the operation of the device by implementing the logical dependencies of each traffic light in the form of separate microelectronic control modules, which ensures high safety and stability of the process of train movement on the stage.

To solve this problem, the logical devices of a half-set of one half of the stage, located on the station adjacent to this stage, are made in the form of a microelectronic specialized control complex (SKU) - a rack of SKU with microelectronic modules of this half of the stage, installed in the cabinet of the device for interval regulation of train movement on the stage of the system ABCM-A. This cabinet also has elements for connecting to external circuits, uninterruptible power supplies, fuses, relays, and display elements.

In the SKU crate, two sets of microelectronic modules are installed: primary and backup. Each set of modules contains a power supply unit for the modules of this set, a logical control and monitoring module for the first block section from the station, logical control and monitoring modules for the remaining block sections of this half section, the number of these modules is equal to the number of such block sections, and a module for linking with devices the second half of the stage.

The technical result provided by this combination of features is the realization by one crate of the control system of all the logical functions of self-blocking at half-haul, eliminating the need for microprocessor devices that are subject to the influence of unauthorized information influences.

The construction of the device is illustrated by drawings, which depict:

FIG. 1 - the appearance of the cabinet with the installed crate SKU and other equipment when fully equipped, i.e. the maximum number of block sections in this half of the haul is seven.

FIG. 2 - placement of modules in an SKU crate (front side) with a complete set;

FIG. 3 - view of the rear side of the SKU crate;

FIG. 4 is a block diagram of a system bus of an SKU crate.

The automatic locking system of the ABCM-A system contains a cabinet 1 (Fig. 1), in which shelves with signal relays 2 for controlling traffic lights 2.1-2.7 are installed, a relay for switching on a test test of 3 rail circuits 3.1-3.7, a relay for monitoring the operational state of the main and backup sets modules 4 and 5, respectively, LEDs 6 of the indication 6.1-6.4, fuses 7.1-7.6, as well as switching relays: 8 - fans, 9 - air conditioning, 10 - monitoring the critical temperature in the cabinet and the presence of constant voltage at the outputs of the first 11 and second 12 sources uninterruptible power supply 13 and 14, which are installed under rack 15 to power the main and backup set of modules, respectively.

Crate 15 is located below the listed shelves and contains (Fig. 2) the main 15.1 and 15.2 backup sets of modules. Each of these sets includes the supply voltage module of this set (16.1 and 16.2) and the control modules of the first block of the BPS unit (17.1 and 17.2), the second and subsequent block sections of BUP1 - BUP6 by their number (respectively, 18.1-23.1 and 18.2-23.2) and the BSC module (24.1 and 24.2) of mutual coordination of two half-sets of one haul.

On the rear side of the rack 15 (Fig. 3) there are cross-modules of the first 15.1 and second 15.2 sets of modules and groups of connectors 25.1 and 25.2, respectively, of the first 15.1 and second 15.2 sets of modules (respectively, connectors 17.1.3, 18.1.3, 19.1.3 , 20.1.3, 21.1.3, 22.1.3, 23.1.3 and connectors 17.2.3, 18.2.3, 19.2.3, 20.2.3, 21.2.3, 22.2.3, 23.2.3) for connecting circuits ( cables) linking, respectively, the main and backup sets of modules with external devices - windings and relay contacts.

The structural basis of the control system is rack 15 of the 6U стандартаEuromechanicsʺ standard, in which both sets of modules are located. In the crate, forced air cooling of the modules is provided with the help of the constantly included fan in the crate, but their convective air cooling is possible with a short-term fan failure. Protection of modules from dust and metal inclusions is provided by fabric filters installed in the fan. In addition, to maintain the required operating temperature, an external fan is installed in the cabinet, switched on by the contacts of the BB relay, and an air conditioning system, turned on by the contacts of the VK relay.

The power supply of the SKU crate is carried out with a direct current voltage of 24 V ± 20% of uninterruptible power supplies 13 and 14 installed in cabinet 1, and the power source of station devices for electrical centralization is used as a backup.

Each of the modules 17.1-24.1 and 17.2-24.2 is made in the form of a two-channel structure, therefore it contains two synchronously working channels, each of which has a logical device 17.1.1-24.1.1 (17.1.2-24.1.2) and 17.2. 1-24.2.1 (17.2.2-24.2.2), the core of which performs the function corresponding to this module (control the traffic light, link with the station or link two halves of the stage). These logical devices, in addition, include a test sequence generator, an internal control circuit, and a control sequence generation circuit. The output of the control sequence formation circuit is a shift register. The shift registers of all modules of one channel are connected in series with each other in a ring, forming a common control loop of one channel of the rack 15. The outputs of the control loops, which are the outputs of the shift registers of the last module (always SSP 24.1.1, 24.1.2 and 24.2.1, 24.2 .2) both channels are connected to a two-stage safe comparison circuit, at the output of which, during synchronous and in-phase operation of both channels of the device, an enable signal for controlling output objects is generated and supplied to all modules. The power of each channel of the modules 17.1.1-24.1.1 (17.2.1-24.2.1) and 17.1.2-24.1.2 (17.2.2-24.2.2) is supplied from the supply voltage modules of this set (16.1 and 16.2), which also have two channels for converting and stabilizing the supply voltage, respectively 16.1.1 (16.2.1) and 16.1.2 (16.2.2) for each channel of the logical devices.

The order of the modules in the rack 15 is strictly defined: in order from left to right in each set are: the supply voltage module 16.1 (16.2), the module 17.1 (17.2), the modules 18.1-23.1 (18.2-23.2), the module 24.1 (24.2). Modules 16.1 (16.2), 17.1 (17.2) and 24.1 (24.2) are always present in both sets. The presence of modules 18.1-23.1 (18.2-23.2) and their number depends on the specific application of the device - the presence of intermediate block sections on the stage, their maximum number is 6. All modules are installed one after another, without gaps, i.e. module 24.1 (24.2) is installed behind the last of modules 18.1-23.1 (18.2-23.2) or after module 17.1 (17.2), if modules 18.1-23.1 (18.2-23.2) are not available for this half of the run. Remaining empty spaces in crete 15 are closed with caps.

Cross-modules are installed for each set of modules, main and backup, on the rear side of the rack 15. The connectors of the main 15.1 and backup 15.2 of the module sets are installed on it, these connectors are interconnected by the system buses of the rack 15. The modules are inserted into the connectors in the established order. Each installation location of the module has a number specified by a three-digit binary code on the contacts of all connectors for the first and second channels. Installation locations have the following binary numbers: 000-place 1, always occupied by module 17.1 (17.2), 001 - place 2, 010 - place 3, 011 - place 4, 100 - place 5, 101 - place 6, 110 - place 7, 111 - place 8. Signals for determining the place are generated by the module 24.1 (24.2) depending on the place of its installation and have the following meanings:

- 001 - two modules 17.1 and 24.1 (17.2 and 18.2) are installed;

- 010 - three modules 17.1, 18.1 and 24.1 are installed (17.2, 18.2 and 24.2);

- 011 - four modules 17.1, 18.1, 19.1 and 24.1 are installed (17.2, 18.2, 19.2 and 24.2);

- 100 - installed five modules 17.1, 18.1, 19.1,20.1 and 24.1 (17.2, 18.2, 19.2, 20.2 and 24.2);

-101 - installed six modules 17.1, 18.1, 19.1, 20.1, 21.1 and 24.1 (17.2, 18.2, 19.2, 20.2, 21.2 and 24.2);

- 110 - installed seven modules 17.1, 18.1, 19.1, 20.1, 21.1, 22.1 and 24.1 (17.2, 18.2, 19.2, 20.2, 21.2, 22.2 and 24.2);

- 111 - installed eight modules 17.1, 18.1, 19.1, 20.1, 21.1, 22.1, 23.1 and 24.1 (17.2, 18.2, 19.2, 20.2, 21.2, 22.2, 23.2 and 24.2).

Thus, the possibility of erroneous installation of modules in crate 15 is excluded.

In FIG. 4 shows a block diagram of the system buses of one (main 15.1 or backup 15.2) set of modules of rack 15. In each set of modules, the system bus consists of two identical parts 26 and 27 separately for each logical channel of the module.

The system bus of each channel 26 and 27, respectively, consists of:

- a parallel line of control, information, control and diagnostic signals 26.0 (27.0);

- a set of unidirectional tires 26.12, 26.21, 26.23, 26.32, 26.34, 26.43, 26.45, 26.54, 26.56, 26.65, 26.67, 26.76, 26.78, 26.87 (27.12, 27.21, 27.23, 27.32, 27.34, 27.43, 27.45, 27.54, 27.56, 27.65, 27.67, 27.76, 27.78, 27.87) intermodular information exchange connecting adjacent modules;

- power bus 26.1 (27.1).

In addition, the system bus includes power and control circuits for actuating actuator relay 28. These circuits are connected to connectors 25.1 (25.2) on the rear side of rack 15 (Fig. 3), to which cables are connected connecting them to actuating and monitoring self-locking relays (signal, code, test test rail chains, track, fire, linkage with the station, etc.).

The device operates as follows.

Each module 17.1,18.1,19.1,20.1,21.1,22.1,23.1 (17.2, 18.2, 19.2, 20.2, 21.2, 22.2, 23.2) controls the readings of one passing traffic light bounding the block section, and in this block section it can be from 3 to six rail chains. Therefore, to the inputs of each module through the corresponding group of connectors 25.1 and 25.2 (respectively, connectors 17.1.3, 18.1.3, 19.1.3, 20.1.3, 21.1.3, 22.1.3, 23.1.3 and connectors 17.2.3, 18.2 .3, 19.2.3, 20.2.3, 21.2.3, 22.2.3, 23.2.3) the contacts of the track relays of the rail circuits of this block section are connected. Track relays, together with track receivers and track generators, are mounted on a separate cabinet.

When the train moves along the block section, track receivers and track relays are activated, which fix the sequential occupation and release of the rail chains of this block section. This information is processed in the corresponding modules of the main 15.1 and backup 15.2 sets and controls the state of its signal relay 2.1-2.7. When the train is within the block section, the corresponding signal relay 2.1-2.7 is in the off state, after all rail chains of the block section are completely released, the relay for testing test 3.1-3.7 of the rail chains of this block section is switched on, the contacts of which control the operation of the track generator these rail chains. In the corresponding logic modules from kits 15.1 and 15.2 in cradle 15, the reaction of the track relays to these test actions is checked, after which, when they are correctly reacted, a signal is issued to turn on the corresponding signal relay 2.1-2.7, the contacts of which control the traffic lights depending on the number of free in front of the blocks.

In addition to the signal relays 2.1-2.7 to the outputs of the modules of the rack 15 connected relay enable code signals of the locomotive alarm, the circuit of which is similar to that used in known devices. These relays are mounted on a separate cabinet. They are connected to the outputs of the modules through connectors 17.1.3, 18.1.3, 19.1.3, 20.1.3, 21.1.3, 22.1.3, 23.1.3 (17.2.3, 18.2.3, 19.2.3, 20.2.3 , 21.2.3, 22.2.3, 23.2.3) groups of connectors 25.1 (25.2) and terminal blocks of the cabinet.

On the front panel of module 24.1 (24.2) there is a “restart” button with protection against accidental pressing, a connector for connecting rack 15 to an Ethernet network (ETN), and two connectors (PORT1 and PORT2) for connecting RS-422 ports. These connectors allow you to connect rack 15 to the station automation devices, to the workstation of the station duty officer, as well as to information collection devices for diagnostic and monitoring systems and centralized dispatching.

The work of the rack 15 is controlled by the display elements installed on the front panels of the modules.

On module 16.1 (16.2), the first and second channels display:

- the presence of an input unstabilized voltage of 24 V;

- the presence of the output stabilized voltage of 5 V;

- the presence of the output stabilized voltage of 3.3 V.

On module 17.1 (17.2) the status is displayed:

- relay (exclusive, track section of approaching from the station side, fire red light of the input traffic light, signal, control, artificial opening, track for three rail chains of this block section);

- interface relays for controlling the alarm relay, the inclusion of a test test, the relay of the protective section from the side of the stage and the code-switching relays.

On modules 18.1-23.1 (18.2-23.2) the status is displayed:

- relay (signal, control, artificial opening, track for all rail circuits);

- interface relays for controlling the inclusion of a test test, a signal relay, a test relay, a relay of protective sections and code-switching relays.

The module 24.1 (24.2) displays the status:

- the first and second stages of the comparison circuit;

- relay (closing, second counter, approach path section, protective section, control of rail circuits, change of direction for reception and departure);

- control signals for interface relays (closing, second counter, emergency);

- ports for receiving and transmitting information.

In addition, the status of the first and second channels of the device is displayed on all modules of rack 15.

Claims (5)

1. A crate of a specialized control system for automatic locking of the ABCM-A system, installed in the cabinet of a half-set of half of the section of this system, which also contains the signal relays of through traffic lights and the relay for switching on test testing of rail circuits by the number of the maximum possible number of block sections on half of the section; also emergency relays of the main and backup set of modules, relay for monitoring the health of secondary power supplies, turning on fans and air conditioning in the cabinet, indicator elements and, fuses, uninterruptible power supply units of the crate modules, and on the rear side of the cabinet - terminal panels for connecting power supply cables and linking with external devices: coding enable relay, traffic lights through passage, rail circuits, station electrical centralization devices and half-set devices of the second half of the section, characterized in that it contains the main and backup sets of microelectronic modules, each set containing a power supply for the modules of this set, a logical m the control and monitoring bar of the first block section from the station, the logical control and monitoring modules of the remaining block sections of this half of the section, the number of which is equal to the number of such block sections, and the module for linking with half-unit devices of the second half of the section, and a cross is located on the rear side of the rack -modules of the main and backup set of modules and connectors for connecting link circuits to external devices. 2. The crate of a specialized control system for automatic locking of the ABCM-A system according to claim 1, characterized in that each of the modules installed in it, included in the main and backup sets, contains two synchronously working channels containing a logical device connected to each other to perform the corresponding this module functions (control the traffic light, linking with the station and linking the two halves of the stage), the generator of test sequences, internal control circuits and the formation of the control post sequences, the output of which includes a shift register of control signals, and the shift registers of all modules are connected to each other sequentially in a ring, forming a common control circuit of one channel of devices of the corresponding set of modules of the rack, the outputs of which for both channels are connected to a safe comparison circuit, the output of which synchronous and in-phase operation of both channels of the device is formed and enters into all modules a signal to enable control of output objects. 3. The crate of the specialized ABCM-A automatic lock control system according to claim 1, characterized in that in order to exclude the possibility of erroneous installation of modules in the crate, each module location has a number specified by a three-digit binary code on the contacts of the module sockets for both channels, moreover, the location signals are generated by the module for linking with the devices of the half-set of the second half of the haul, which is always installed last in the set of modules, and depend on the place of its installation. 4. The crate of the specialized control system for automatic locking of the ABCM-A system according to claim 1, characterized in that the main and backup set modules are interconnected in each of these sets by a system bus located on the cross-module, which consists of a parallel control, information bus , control and diagnostic signals, a set of unidirectional buses of intermodular information exchange connecting adjacent modules, and power buses, in addition to this, the system bus includes pi Power supply and control devices enable executive relays connected to the connectors on the rear side of the rack, which connect the cables connecting them to the executive and controlling auto-lock switch. 5. The crate of the specialized control system for automatic locking of the ABCM-A system according to claim 1, characterized in that the front panels of all modules are equipped with indication elements, and the presence of an input voltage of 24 V and output voltages of 5 V is displayed on the power supply unit on the first and second channels and 3.3 V, on all modules the status of the first and second channels of the device is displayed, on the logical control and monitoring module of the first block station from the station, the status of the relays connected to it (exclusive, track of the approaching section from the station side, the red light of the input traffic light, signal, control, artificial opening, three track relays of the rail circuits of this block section) and interface relay control signaling relay, the inclusion of a test test, the relay section of the protective section from the stage and code including relays, on the logical control and monitoring modules of the remaining block sections, the status of the relays connected to them (signal, control, artificial disconnection, track relays of all rails is displayed x circuits), interface relays for controlling the inclusion of a test test, signal relays, test relays, relay of protective sections and code-switching relays, and on the module for linking with half-set devices of the second half of the stage, the state of the first and second stages of the comparison circuit, the status of the relays connected to it are displayed (closing, second counter, approach distance section, protective section, monitoring of rail circuits, change of direction for receiving and sending), presence of control signals for interface relays (closing, second counter, emergency) and the operation of both RS-422 ports for receiving and transmitting information, in addition, an additional reset button with protection against accidental pressing, a socket for connecting the rack to the Ethernet network and two connectors for connecting RS-422 ports are also installed on this module .

Images