System of integrity control

FIELD: machine building.

SUBSTANCE: invention relates to the field of railway automatic systems and telemechanics. The system contains the installed on the locomotive and the tail car kits, which include on-board equipment unit, a microcontroller with an integrated transceiver module, an onboard receiver coil and a receiver board. The station has traveling loops, each of them has a track generator, a microcontroller with an integrated transceiver module and wired interface. Wherein, all wired interfaces are associated with the central unit train traffic control station equipment via a wired link.

EFFECT: invention provides a simplification of equipment integrity control structure, improving its reliability and control of the reliability.

1 dwg

 



 

Same patents:

FIELD: electricity.

SUBSTANCE: system contains rail circuits. The rail circuit includes the rail circuit control unit, the unit of interface of coding circuits of automatic locomotive alarm system (ALAS) with the equipment of neighbouring rail circuits. The control unit contains the track generator connected to the coding enabling unit and the track receiver. The port of the track generator and the port of the track receiver are connected respectively to the port of the first and to the port of the second low-power transceiving devices. Each locomotive of the train circulating in the section is fitted with the complex safety device to which through the CAN interface the port of the transceiving device and the input of the locomotive receiver are connected. The code generator unit contains an analogue-digital converter the outputs of which are connected to inputs of the microcontroller module. The software module of intellectual analysis of equipment operability is connected to the electronic computer (EC) of the workstation (WS) of the traffic controller, and in its memory unit the database of allowable values of currents and voltage at the input of rail lines of track sections and results of periodic self-testing of the equipment of feeding ends of track sections is saved.

EFFECT: simplification and improvement of reliability of traffic interval regulation system.

2 cl, 2 dwg

FIELD: electricity.

SUBSTANCE: system contains rail circuits. The rail circuit includes the rail circuit control unit, the unit of interface of coding circuits of automatic locomotive alarm system (ALAS) with the equipment of neighbouring rail circuits. The control unit contains the track generator connected to the coding enabling unit and the track receiver. The port of the track generator and the port of the track receiver are connected respectively to the port of the first and to the port of the second low-power transceiving devices. Each locomotive of the train circulating in the section is fitted with the complex safety device to which through the CAN interface the port of the transceiving device and the input of the locomotive receiver are connected. On each locomotive the control signal shaping module is installed the outputs of which are connected respectively to the control input of the receiver and the information input of the complex safety device, and its input is connected to the output of the receiver of the transceiving device, and the track generator of the control unit is designed as controllable.

EFFECT: improvement of reliability of system functioning at the reduced interval of passing traffic of trains on the same rail circuit.

2 dwg

FIELD: electricity.

SUBSTANCE: additionally voltage drop at choke cable connected to a rail is measured, resistance of each choke cable is calculated by multiplying specific rail resistance to ratio of voltage drop in the choke cable to voltage drop per one metre of solid rail, asymmetry coefficient for choke cable resistance is calculated by dividing cable resistance difference by the resistance sum; and in case choke cable resistance and/or asymmetry coefficient for choke cable resistance exceed permissible values, additionally current and voltage drop are measured in each wire of respective choke cable at rail-to-plug, plug-to-cable and cable-to-terminal wire transitions, each transition resistance is calculated for each wire by dividing voltage drop in a checked transition by current in the wire, and transitions with maximum resistance are considered faulty.

EFFECT: possible diagnostics of choke cable state in track choke transformers due to additional operations.

1 dwg

Rail circuit // 2538471

FIELD: electricity.

SUBSTANCE: invention relates to railway automation and can be used in systems of interval regulation of underground trains traffic. The system contains a rail line, to the ends of which through series-connected capacitors the track generator and receiver are connected respectively. The track generator and receiver are designed with a possibility of additional superposition of coding of automatic locomotive signal system in low-frequency range by the signal of square waveform. The rail circuit is equipped with two symmetric voltage limiters, connected parallel to leads of capacitors respectively on the supply and receiving ends of the rail circuit. The stabilization voltage of each limiter is selected not below the maximum amplitude of voltage of the signal of rail line monitoring on the leads of the relevant capacitor in normal mode. Thresholds of engaging and release of the rail circuit are set not higher than the voltage at the receiver of the rail circuit at shunting of one of capacitors in a normal mode.

EFFECT: possibility of operation of resonance rail circuits with high-frequency signals of rail line monitoring and ALS-ARS (automatic locomotive signalling - automatic regulation of speed) on one line with rail circuits with low-frequency coding of ALS-ARS without additional equipping of the train equipment with devices for reception of high-frequency ALS-ARS signals is achieved.

2 dwg

FIELD: instrumentation.

SUBSTANCE: invention relates to railway automatics and telemechanics. The method to measure asymmetry of alternating traction current in rail lines under ALSS coils consists in the fact that in the required point of the rail line they measure voltage drops in various rail lengths in sections of rails of identical length, or voltages are measured at the outlet of contactless measurement current sensors applied onto different rail lengths in this point. Then by division of difference of these voltages by their sum they find the relative value of traction current asymmetry in this point of the rail line. Additionally a normative shunt is applied onto rails in the measurement point, and measurements are carried out beyond the place of shunt application along with train travel.

EFFECT: increased reliability of measurement.

1 dwg

FIELD: physics, control.

SUBSTANCE: invention relates to automation, telemechanics and communication on railway transport. The system for interval control of train movement consists of sets of automatic blocking equipment, each having interconnected control module, interface module with electrical centralised control, complex signal generator and a section receiver module. The system also includes traffic light control units, automatic crossing signalling control units, an inter-station communication module, a matching device, automated workstations and a real-time and radio link module. The system further includes an intersystem interface, an external information interface, a centralised control module, a centralised monitoring module and a module for connecting the automated workstation of the station operator. The automatic blocking equipment includes an information-diagnostic interface, a complex signal generator and a section receiver module.

EFFECT: broader functional capabilities.

2 cl, 3 dwg

FIELD: electricity.

SUBSTANCE: invention relates to railway automation and telemechanics. The method of diagnosing the state of electrical resistance of rails in track circuits on alternating current traction sections involves measuring potential drop on sections of primary windings of impedance bonds installed at ends of the track circuit, calculating traction current in rails at the ends of the track circuit and asymmetry coefficients thereof. If the asymmetry coefficients of the traction current exceed their allowable value at the beginning and/or end of the track circuit, the method involves further calculation of the degree of decrease of traction current rails by dividing the value of traction current at the beginning of the respective rail by the value of the traction current at the end of the rail. The calculated values of said degrees of decrease of traction current are then compared with the nature of asymmetry thereof at the ends of the rail and reasons for high asymmetry of traction current are then determined.

EFFECT: high accuracy of obtained results.

1 dwg

FIELD: transport.

SUBSTANCE: invention relates to railway traffic control. Proposed system comprises automotive locomotive continuous signalling track hardware at track sections while locomotive comprise onboard control device incorporating the unit of automotive locomotive signalling unit. Every track section inputs of track hardware are connected to devices of three-sign interlocking with line lights and track circuits while their output is connected to block section track circuit. At the start of every block section transceiver with low-power transmitter is arranged connected with interface with track hardware unit. Locomotive are additionally equipped with transceiver and interface connected with engineman display. Said transceivers of block sections and onboard transceiver allow self-configuration of ISM or GSM band radio communication network.

EFFECT: higher efficiency and reliability.

2 cl, 1 dwg

FIELD: transport.

SUBSTANCE: proposed method consists in feeding the signal to track section circuit to be measured at track initial section and defining the train position by received signal variation. Extra signal of track occupancy is generated at rolling stock to be transmitted to and received at initial and final track sections to decide on location of rolling stock at track section by availability of said signal. Control system comprises track hardware transmitter unit and receiver unit. Additionally, every rolling stock comprises extra track section occupancy signal generator connected with onboard control hardware unit. Initial and final section track hardware is equipped with receiver of extra track section occupancy signal. Said receiver is connected to track, switch and signal interlocking hardware unit.

EFFECT: higher reliability.

3 cl, 1 dwg

Track circuit // 2505443

FIELD: transport.

SUBSTANCE: track circuit comprises track line with first capacitor and first track transformer secondary connected to its one end, transformer primary being connected to generator. Second capacitor and second transformer secondary are connected to opposite end of track circuit, second transformer primary being connected to track receiver. Additionally, track circuit incorporates data preprocessor, nomographic processor, data storage and annunciator unit. Said preprocessor is connected with generator, track receiver and nomographic processor. Nomogram storage is connected with nomographic processor connected to annunciator.

EFFECT: higher reliability, expanded operating performances.

1 dwg

FIELD: machine building.

SUBSTANCE: invention relates to the field of railway automatic systems and telemechanics. The system contains the installed on the locomotive and the tail car kits, which include on-board equipment unit, a microcontroller with an integrated transceiver module, an onboard receiver coil and a receiver board. The station has traveling loops, each of them has a track generator, a microcontroller with an integrated transceiver module and wired interface. Wherein, all wired interfaces are associated with the central unit train traffic control station equipment via a wired link.

EFFECT: invention provides a simplification of equipment integrity control structure, improving its reliability and control of the reliability.

1 dwg

FIELD: transportation.

SUBSTANCE: method includes reading by the railway vehicles reader unit of radio frequency identification tag, installed on the railway vehicles movement path before the stopping point, ensuring the railway vehicles coordinates determination and initiating of movement deceleration according to these coordinates, and reading the railway vehicles by sensors, installed in the railway vehicles doors area, tags, placed in the stopping point platform doors area, ensuring the sensors operations, and determination of this operations amount. Wherein the speed decrease to the calculated value is performed at each operation of all sensors, passing at this operation moment through the platform tags, ensuring the railway vehicles stop, when coinciding its doors with the platform doors.

EFFECT: improved accuracy of the railway vehicles stop.

6 cl, 2 dwg

FIELD: transportation.

SUBSTANCE: method and device for determining the railway train self-disengage is proposed, when one or more railway carriages / coaches (401) are accidentally disengaged from the rest of the train. The method comprises performing the distributed acoustic readout on the optical fiber (104a, 104b) deployed along the railway length, to provide a plurality of longitudinal acoustic readout parts along the railway (201). The acoustic feedback is analyzed to determine a signature indicating the railway train self-disengage. For this purpose, deiermining the acoustic events (302, 303) associated with different parts of the train and determining when the separation between the two events exceeds a threshold value are performed.

EFFECT: increased reliability of determining self-disengage.

24 cl, 8 dwg

FIELD: rail joints primarily used for electrified railway transport.

SUBSTANCE: proposed insulating joint has full-shaped straps mounted on both sides of rails and carrying bolted insulating shells secures at least over surface mating the rails. Adhesive shims made of two-dimensional reinforcing material layers such as binder-impregnated glass fabric are disposed between insulating shells of straps and rail walls and adhered to rail walls and insulating shells with aid of elastic adhesive such as type VK-3.

EFFECT: enhanced reliability, service life, and wear resistance of insulating joint.

1 cl, 1 dwg

Ramified circuitry // 2245810

FIELD: railway transport; signaling and communication.

SUBSTANCE: proposed device contains switch with tongues and stock rails, two track generators, track receivers, supply inductors, two capacitors and matching transformer. Track generators are connected through corresponding supply inductors with both rails of corresponding branch tracks for inductive energizing. Track receivers are connected to stock rails in series through matching transformer. Track capacitors are connected between outer rails of corresponding branched tracks and spider, and track circuits of branched tracks are closed by jumpers at ends.

EFFECT: improved efficiency at running and shunting.

1 dwg

FIELD: railway transport: signaling and communication.

SUBSTANCE: according to proposed method ac signal is applied to one end of track circuit and change of signal at other end is checked depending on coordinate of train shunt, and by character of signal change non-occupancy of track circuit is revealed. Method is based on checking correspondence of current voltage across end of track circuit and reference voltage which is determined at complex input resistances of instruments on end of track circuit with capacitive component depending on condition of insulation resistance in six possible situations. Then threshold voltage at occupation and clearance are found by multiplying occupation and clearance coefficients by reference voltage, respectively. If current voltage at input of track receiver is lower than threshold occupation voltage, track circuit is considered occupied, and if current voltage exceeds threshold clearance voltage, track circuit is considered clear.

EFFECT: improved reliability of checking condition of track circuit.

2 dwg

FIELD: railway transport; signaling and communication.

SUBSTANCE: method comes to changing over track circuit from one duty to the other with time delay. Switching off of track circuit is provided at a lapse of time during which intensive drying of ballast might cause false indication of clearing of track circuit. Delivery of information signal on non-reliable control is done at a lapse of time at which intensive wetting of ballast might cause false indication of occupancy of track circuit. Time interval at switching off is determined by time at which maximum speed of ballast drying with standard shunt applied in most unfavorable place of application causes voltage rise across track receiver sufficient to indicate clearance of track circuit. Time interval at delivery of information signal on non-reliable control is determined by time at which maximum speed of ballast wetting leads to voltage drop across track receiver at which false occupancy is fixed.

EFFECT: improved reliability of checking condition of track sections.

1 dwg

FIELD: railway signaling and communication.

SUBSTANCE: method is based on monitoring changes in insulation resistance during tolerable period of time. According to proposed method, zone of additional shunting is determined as distance between points of beginning of shunting of reference track circuit using standard shunt at dry ballast and at wet ballast at maximum tolerable time of train running on block section.

EFFECT: improved reliability of checking state of track sections.

2 dwg

FIELD: railway transport; signaling and communication.

SUBSTANCE: according to proposed method, ac signal is applied to track circuit at one end, and difference in voltages at adjacent cycles of polling is determined at other end and compared with threshold value. Signal to receiver is supplied from one generator through two adjacent track circuits. To second circuit signal is supplied continuously, and to first one, in pulse manner in antiphase relative to second track circuit. Receiver is excited in the moments when no signal is supplied to first track circuit which indicates that both adjacent sections are clear. Occupation of sections is detected at no pulse operation of receiver, and clearance, after passing of train under two conditions provided in turn: firstly, at pulse mode of operation of receiver, when excitation of said receiver coincides with supply of pulse to first track circuit, and secondary, at pulse mode of operation of receiver, when excitation of said receiver coincides with internal in first track circuit.

EFFECT: improved reliability of checking condition of track sections.

2 dwg

Track circuit // 2250849

FIELD: railway signaling and communication.

SUBSTANCE: proposed track circuit contains two lines and matching devices connected with said lines and also track generator, track receiver, transmitter, impulse track and track relays, pulse pickup, time delay unit, time delay relay, diodes and resistors. Action of device fro checking condition of track lines is based on comparing voltage at their inlet ends.

EFFECT: improved reliability of checking and accuracy of tracing of displacement of standard shunt and shunt of larger resistance at two fold longitudinal asymmetry of insulation resistance on adjacent track sections.

2 dwg

FIELD: railway transport; signaling and communication.

SUBSTANCE: according to proposed method, two ac signals are applied to end of track circuit, and difference in voltage is determined at other end and is compared with threshold value. Novelty of proposed method is that signals of two different frequencies are applied to track circuit at supply end. At receiving end higher frequency voltage level is subtracted from lower frequency voltage level, and result is compared with threshold values. If clearance threshold value is exceeded, track section is considered clear, and if difference value is less than occupation threshold value, track section is considered occupied.

EFFECT: improved reliability of checking condition of track sections.

2 dwg

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