102 results about "Axle counter" patented technology

The invention provides a train control system and a train. The train control system comprises automatic train supervision (ATS), a zone integrated controller (ZIC), an object controller (OC) and the train; the train is used for sending position information of the train to the ZIC and receiving the sorting result of the train and axle counter occupancy information which are sent by the ZIC; a traveling path of the train is determined according to the sorting result of the train, the axle counter occupancy information, an operating plan sent by the ATS, and operation parking point information ona train-mounted electronic map; ahead dangerous points of the train are determined according to front train information sent by the ZIC and a trackside equipment state; and moving authority of the train is calculated according to the ahead dangerous points. According to the train control system and the train, the train can autonomously calculate the moving authority, a large amount of calculationof a zone controller (ZC) is separated, the whole line belongs to one ZC region, a large amount of data communication and logic processing across the ZC region is avoided, a route is not arranged, tedious operation such as selecting and arranging, managing, locking, opening and unlocking of the route is not needed, and the traveling efficiency is greatly improved.

The invention relates to the technical field of railway signals and discloses a movable blocking downgrading operation system and method. According to the system, a plurality of axle counters are arranged on arrival signal machines and a plurality of pass signal machines of two adjacent stations correspondingly, wherein the multiple pass signal machines are arranged in the interval formed by the arrival signal machines to divide the interval into a plurality of sections, and the axle counters detect whether each section is idle or not; according to the detecting results of the axle counters of the corresponding sections, the pass signal machines display indicating signals; a plurality of railway circuits are arranged in the preset range travelled when a train arrives at the pass signal machines, and train control codes are sent according to the indicating signals displayed by the corresponding pass signal machines; and train-mounted equipment receives the train control codes and controls the train to operate according to the train control codes. The movable blocking downgrading operation system and method are mainly applied to the movable blocking failure condition, thus under the condition, the operation safety of the train can still be ensured, and the train has the certain transporting efficiency and capacity; and meanwhile the engineering cost is reduced.

The invention relates to a turnout remote central control device for mine inclined drift track transportation and a detection control method thereof. A central display control cabinet communicates with a turnout control cabinet by using an LON bus; a closed-loop control circuit is formed among the turnout control cabinet, a servo mechanism and a position sensor; a two-wire system current-type detection interface is formed among the turnout control cabinet, a track axle counter and a closed sensor; the central display control cabinet transmits a state command and a control executing command to the turnout control cabinet according to an operational command and the sampling state of the position sensor and the closed sensor, and combining the vehicle detection result of the orbit axle counter; the turnout control cabinet can set the self state to be a central control state or on-site control state according to the received central display control cabinet command for positioning / anti-position driving output to the servo mechanism; during driving output, turnout driving rejection is realized according to the configuration condition of the turnout associated axle coupler on the LON bus.

The invention discloses a partition power supply system for managing a stray current at a railway vehicle depot and a control method. The partition power supply system and the control method are used for managing the stray current at the vehicle depot and ensure that vehicles can normally exit and enter the vehicle depot. The system comprises insulation joints J (comprising J1 and J2 ), contact line sections D (comprising D1 and D2 ), high-powered direct current thyristor switches A (comprising A1, A2, A3 and A4), track axle counters B (comprising B1, B2, B3 and B4 ), and a state identification control unit (C), wherein the two insulation joints (J1 and J2 ) are arranged between the vehicle depot and a main line, and the spacing is longer than 1.5 times of the length of the vehicle, the high-powered direct current thyristor switches (A1 and A2) are respectively connected with two ends of the first insulation joint J1 and the second insulation joint J2; the two track axle counters are respectively mounted beside tracks on two sides of the first insulation joint J1; the two track axle counters are respectively mounted beside tracks on two sides of the second insulation joint J2; output signals of the four track axle counters and the running state signals of the power supply system are connected with the state identification control unit; the state identification control unit controls the ordered switching on and the switching off of the four high-powered direct current thyristor switches in an output manner.

Provided are an axle counting system and an axle signal processing and axle counting method used for the same. The system comprises a wheel sensor, an analog / digital (A / D) converter and a digital signal processor (DSP). The wheel sensor outputs an axle counting signal to the A / D converter, and the axle counting signal is subjected to analog / digital conversion through the A / D converter and then output to the DSP. The method includes that analog axle counting signals output by the axle counting sensor are subjected to digital quantization through the A / D converter and output to the DSP, and the DSP conducts identity recognition on two signals. Conditions for judging waveform similarity of the two signals include that (1) the deviation of time width of two pulses is at most 20%; (2) the two signals must have an overlapped portion which exceeds 1 / 3 of the whole pulse; (3) the front end and the rear end occupy over 1 / 6 of the whole pulse besides the overlapped portion. Under the normal condition, axle counting is conducted the same as an original system, axle loss cannot happen even signals are weakened to a certain degree, but the original system loses axles when the signals are weakened to the certain degree.

The invention provides a train screening method, device and system and a train-mounted device. The train screening method comprises the steps that an axle counting state output by a first axle counteridle relay at the front physical section and an axle counting state output by a second axle counter idle relay at the rear physical section are received by trains; a first detecting result detected by a first detecting device mounted in front of the train about whether other trains exist in the first detecting range in front of the train or not, and a second detecting result detected by a seconddetecting device mounted behind the train about whether other trains exist in the second detecting range behind the train or not are obtained by the trains; and the trains are screened according to position information of the trains, the axle counting states output by the first axle counter idle relay and the second axle counter idle relay, the first detecting result and the second detecting result. According to the train screening method, device and system and the train-mounted device, the load of zone controllers is reduced, and the operation efficiency of a train control system is improved.

The invention relates to a wheel detection device with double sets of axle counters and an axle counting calculation method. Two sets of axle counters are provided, and each set of axle counters is provided with two axle counting sensors. The sets of axle counters are respectively arranged at both ends of the track control area, and the two axle counting sensors of each set of axle counters are respectively fixedly installed in the inner rail waist or outer rail waist of the two rails at the location, and communicate with a controller. Control connections. Axle counting calculation method: by separately counting and comparing the four axle counting sensors of two sets of axle counting devices to determine the vehicle stay and entry and exit conditions in the control area. In order to clear; to ensure the accuracy of the counting shaft when individual sensors fail, and to improve the safety factor. The invention is suitable for the safety control of rail traffic, and has the advantages of simple structure, low cost, easy maintenance, accurate detection and stable performance.

A system for monitoring the location of rolling stock within a controlled area of a railway system is provided. The system includes a plurality of axle counters within the controlled area, wherein the axle counts are associated with a global sequence identifier. A central controller processes the axle counts and associated global sequence identifier in conjunction with a list of rolling stock entering the controlled area to provide a real time map of the location of each piece of rolling stock within the controlled area.

The invention relates to an automatic monitoring alarm method and system for a railway line obstacle. An axle counter device is arranged on steel rails at the two ends of a line obstacle monitoring zone, to monitor whether a train occupies the zone; a laser scanning device and a vibration sensor are adopted to monitor the line obstacle condition; whether an alarm is to be given is judged by combining the laser scanning information, vibration information and train occupation information. According to the invention, the train occupation condition of a railway rockfall section is monitored through the axle counter device with high reliability, the train vehicle can be accurately monitored, the false alarm caused by running of the train vehicle is eliminated, the false alarm rate of the automatic monitoring alarm system for the line obstacle through laser scanning is greatly reduced, and the availability of the system is effectively improved; a signal track circuit and transmission of train control information are not affected by the installation of the axle counter device, and the method and system can be used in a variety of block sections and train control modes, and have practicability.

The invention provides a train positioning and degradation resource management system based on near field communication. The train positioning and degradation resource management system comprises a vehicle-mounted communication module, a trackside passive communication module and a trackside active communication module, the vehicle-mounted communication module is arranged on a train and is in two-way communication connection with a vehicle-mounted controller; the trackside passive communication module and the trackside active communication module are both arranged beside the trackside, the trackside passive communication module and the trackside active communication module are both in two-way near field communication connection with the vehicle-mounted communication module, and the trackside active communication module is in two-way communication connection with a target controller. Operation control of the train in the normal mode and the degradation mode is processed by the vehicle-mounted controller, an axle counter and a transponder are replaced, the engineering construction cost is saved, the types of ground equipment are reduced, the complexity is reduced, and the functions of the ground equipment are simplified.

The invention discloses a track section occupation condition monitoring system and method. The track section occupation condition monitoring system comprises a plurality of gravimeter shaft devices which are installed at ports of a section, a counter and a first judgment unit; when vehicle wheels pass through the gravimeter shaft devices, the gravimeter shaft devices output signals expressing passing of the vehicle wheels; the counter receives the signals expressing passing of the vehicle wheels from the gravimeter shaft devices and accordingly counts the vehicle wheels passing the gravimeter shaft devices; if the number of the vehicle wheels entering the section is equal to that of the vehicle wheels leaving from the section, the first judgment unit judges the section is in an idle state and judges the section in an occupation state if not. The track section occupation condition monitoring system has the advantages of being low in cost, high in reliability, wide in applicability, easy to construct, beneficial to maintenance, not easy to be influenced by weather and environment and the like.

The invention relates to a mine locomotive running state detection device adopting a railway vehicle axle counter and a detection method therefor. The device consists of a computer, a communicator, acontrol substation, the railway vehicle axle counter and a signal machine. In the system, the technology is implemented by two ways: (1) embedded program way is used for realizing track locomotive axle counting detection algorithm; and (2) an axle counting interface circuit is based on the detection method. The axle counting detection algorithm is implemented in the control substation and has thecomplete functions formed by five parts which are a signal sampling and processing module, a direction processing module, an axle counting statistical module, a vehicle speed judging module and a vehicle locating module; RS232 bus communication is adopted between the computer and the communicator, FSK bus communication is adopted between the communicator and the control substation, and a two-wirecurrent-mode interface is arranged between the control substation and the railway vehicle axle counter. The invention can be used for detecting and processing the dynamic-state operation process of atrack locomotive, and realizes the functions of direction judgment, speed measurement and calculation, data statistics and locomotive location.

The embodiment of the invention provides a train track occupation detection method and a train track occupation detection device based on satellite positioning. The method mainly comprises the steps: satellite positioning receivers on the head and the tail of a train are used for receiving satellite ephemeris data and pseudorange data, and positioning positions of the head and the tail of the train are calculated according to the satellite ephemeris data and the pseudorange data; a positioning horizontal protection distance of the train is calculated according to a set positioning omission rate and a false detection rate; and the positioning positions of the head and the tail of the train are mapped on a track line by combining with an electronic map according to the positioning horizontal protection distance of the train, so that an occupation section of the train on the track line can be obtained. According to the embodiment of the invention, the satellite positioning receivers are arranged on the head and the tail of the train, so that the occupation calculation of the train on the section track can be completed by only utilizing vehicle-mounted apparatuses, ground apparatuses such as track circuits or axle counters are not needed, the constriction cost and the maintenance cost of the ground apparatuses are greatly saved, and the cost is greatly saved.

The invention discloses a train tracking method through track circuit / axle counter detection. The train tracking method includes firstly judging whether or not track segments are in a clearing state or an occupied state; secondly adopting a track-occupied train tracking method or track-cleared train tracking method according to the states of the track segments. The train tracking method is suitable to the train tracking method through the track circuit / axle counter detection under a mixed model and fully takes factors affecting the train tracking into account. Thus train tracking efficiency is improved, tracking is accurate and reasonable, and the train is prevented from loss.

The invention discloses a remote axle-counting preliminary reset system which comprises an ATS (Automatic Train Supervision) server for outputting a remote axle-counting preliminary reset command, a power supply, an ACE (Axle Counter Evaluator), a PLC (Programmable Logic Controller), a relay unit and a PMI (Computer Based Interlocking System), wherein the remote axle-counting preliminary reset command is used by the PLC to control the ACE to execute preliminary reset; all relay coils of the relay unit are respectively connected with the PMI; all normally-opened contacts are sequentially connected between the power supply and the PLC in series; the PMI receives the remote axle-counting preliminary reset command, drives all relays in the relay unit to maintain high orders and further the power supply the PLC are connected and extracted; the ATS server is informed that all the relays in the relay unit respectively maintain the high-order state according to an extraction signal of the PMI, and transmits the remote axle-counting preliminary reset command to the PLC. According to the remote axle-counting preliminary reset system disclosed by the invention, the PMI is used to replace the actions of persons on duty, so the safety and the reliability are realized, and the risk caused by manual operation is avoided.

The invention provides a train screening method and a train screening system based on a moving block. The method comprises the following steps of: receiving the current position information of a trainand the occupation information of an axle counter section; acquiring the occupation conditions of the axle counter section where the train head is positioned and the front next axle counter section according to the current position information of the train and the occupation information of the axle counter section; judging whether the occupation condition of the axle counter section where the train head is positioned and the front next axle counter section satisfy the manual pre-screening condition or not; and if yes, sending a manual pre-screening request message to vehicle-mounted equipmentso as to carry out manual pre-screening operation, and calculating running permission for the train after receiving a confirmation finish message which shows that there is no other train in a certainrange in front of the train. According to the method and the system provided by the invention, when the train satisfies the manual pre-screening condition, a driver watches whether there is another train in the front so as to manually assist the RBC to realize the function of pre-screening the train, thereby realizing train upgrading ahead of time and improving the upgrading efficiency of a heavyhaul train.

An optical fiber grating sensor-based axle counter is characterized in that an optical fiber grating sensor of the axle counter is buried in a burying layer of an elastomer material; the elastic burying layer can be obviously deformed under an external action, and the optical fiber grating sensor can sensibly detect the deformation stress by the deformation of the elastic burying layer, so the operation condition of electric cars and trains of which the wheels are rubber wheels can be precisely detected. Besides, the elastic burying layer can better protect the optical fiber grating sensor.

The invention discloses an enterprise railway transportation management system provided with a logistics management system private network and a logistics management system server. A starting station is provided with a starting station logistics computer which is accessed to the logistics management system private network through a starting station switcher. An arriving station is provided with an arriving station logistics computer which is accessed to the logistics management system private network through an arriving station switcher. Grafting axle counters are disposed on railways among stations. The grafting axle counters are connected with the starting station logistics computer through cables and a modulator. Train number identifiers are replaced by the rafting axle counters, train formation train number is judged by axle number, train formation error among stations can be well monitored, monitoring cost is lowered greatly, and logistics system accuracy is guaranteed.

A system for monitoring the location of rolling stock within a controlled area of a railway system is provided. The system includes a plurality of axle counters within the controlled area, wherein the axle counts are associated with a global sequence identifier. A central controller processes the axle counts and associated global sequence identifier in conjunction with a list of rolling stock entering the controlled area to provide a real time map of the location of each piece of rolling stock within the controlled area.

The invention provides a wheel sensor. A corresponding amplitude modulation unit comprises a bridge circuit and two coils with the same parameters, wherein the bridge circuit and the two coils are arranged at the same side of a rail; a phase unit comprises a transmitting coil and a receiving coil which are respectively located at the two sides of the rail; the transmitting coil is used for producing alternating flux and sensing same-frequency alternating-current signals through coupling with the receiving coil; a signal processing unit is used for producing and providing square wave with preset frequency for the transmitting coil, producing and providing sine wave with preset frequency for the bridge circuit and obtaining the axle counters state of a vehicle in a region according to the output signal of the bridge circuit and the received alternating flux signals output by the coils. By using the wheel sensor, the wheel arriving and departing states can be detected, the physical center of a wheel can be accurately captured, the working state cannot be influenced by ballast bed, rail and circuit conditions, external white noise can be eliminated, and the influence on the coils, caused by high-voltage electric field, electromagnetic wave and the like nearby electrified railways can be removed.

The invention provides a train screening method, device and system, and on-board equipment. The train screening method comprises the following steps: an axle counting state output by a first axle counter idle relay at a physical section in front of the physical section where trains are located and an axle counting state output by a second axle counter idle relay at a physical section behind the physical section where the trains are located are received by the trains; and the trains are screened according to position information of the trains, the axle counting state output by the first axle counter idle relay and the axle counting state output by the second axle counter idle relay. According to the train screening method, device and system, and the on-board equipment, the burden of a zonecontroller is reduced, and the operating efficiency of a train control system is improved.

The invention provides an automatic interstation blocking control method and system under heavy-load movable blocking. The method includes: arranging an axle counter between a first state and a secondstation; determining interstation state between the first station and the second station according to interstation occupation condition between the first station and the second station and collectedby the axle counter by interlocking equipment of the first station or that of the second station; when the first station applies an outgoing route to the second station, determining interstation statebetween the first station and the second station by the interlocking equipment of the first station and that of the second station by means of mutual communication, and performing control managementon interstation blocking between the first station and the second station according to the interstation state between the two. By the method, the characteristic that mutual communication can be realized during interlocking under movable blocking is utilized fully, the axle counter is arranged to collect the interstation occupation condition on the basis of interlocking communication, automatic interstation blocking is realized, and running efficiency after heavy-load movable blocking degradation is improved effectively.

The embodiment of the invention provides a verification method and device for an automatic triggering access triggering track, and relates to the technical field of urban rail transit, which is used for avoiding verification errors caused by complex operation and visual fatigue of manual verification so as to improve the efficiency and accuracy of rail triggering verification. The verification method comprises the following steps: extracting an axle counting layer, a section layer and a signal machine position mileage sign in a system plane graph, and extracting real-time time parameters; obtaining a main line axle counter from the axle counter layer; determining the mileage range of each track section of the main line axle counter according to every two adjacent axle counter coordinates and section names; determining a trigger track according to the signal machine position mileage mark, the automatic trigger length and the mileage range of each track section of the main line axle counter; verifying whether the trigger track is consistent with a designed calculation section track or not; and if not, marking the trigger track and the designed calculation section track. The embodiment of the invention is used for verifying the triggering track of the automatic triggering access.

The invention proposes a method for monitoring the information transmission between a counting point (3) and an axle counter evaluation unit (6) of an axle counting system (1) in a railway network and an axle counting system implementing the method . In this method, information is transmitted from the ISDN modem (4) of the counting point (3) to the ISDN modem (7) of the axle counter evaluation unit (6) via the ISDN channel (9) of the ISDN line (10). The monitoring bit sequence (12) is transmitted by the ISDN modem (4) of the counting point (3) via another ISDN channel (13) of the ISDN line (10) to the ISDN modem (7) of the axle counter evaluation unit (6), And a transmission fault in the monitoring bit sequence (12) is monitored by the monitoring module (14), preferably by the axle counter evaluation unit (6).

The invention discloses a high-reliability multifunctional axle counter system and method adopting a laser coorelation instrument. The axle counter system comprises an existing axle counter and the extension laser coorelation instrument, and has good realizability. The extension laser coorelation instrument with a laser coorelation detector serving as the core comprises a laser emission end, a laser receiving end, a CC2500 communication module and a main control module. The axle counter is additionally provided with the laser coorelation instrument for assisting in axle counting, and the defects that an existing electromagnetic axle counter is prone to electromagnetic interference and the performance becomes poor during low-speed travelling are overcome; the communication module downloads the number of axles of related trains of a train automatic monitoring system ATS, the axle counter counts the number of the axles, the laser coorelation instrument assists in counting the number of the axles, and the numbers of the axles are compared, the reliability of the axle counter is improved; and the laser coorelation instrument is applied, so that the intrusion line checking, external object interference suppressing and fault diagnosis functions are extended.

The embodiment of the invention provides a method for transferring a vehicle to a cross-region overlapping region, which comprises the following steps: after a target vehicle completely drives away from a first axle counter and enters a second axle counter, if a transfer region controller receives a trigger signal that the first axle counter is interlocked and sent by a first computer and is changed into an idle state from an occupied state; when the second axle counting idle state signal sent by the takeover area controller is received, the occupation state of the first axle counting is kept;and if the handover area controller receives a second axle counting occupation state signal sent by the takeover area controller, the first axle counting is set to be in an idle state, so that the target vehicle is controlled to pass through the overlapping area according to the states of the first axle counting and the second axle counting. According to the invention, the problem of discontinuous axle counting section occupation state caused by inconsistent delay of the axle counting section occupation state received by the transfer area controller and sent by the first computer interlock and the axle counting section occupation state sent by the take-over area controller is solved, and a guarantee is provided for smooth transfer of a train between overlapping areas.

The invention provides a train driving tracking method and device. The train tracking method comprises the steps that a first physical detection section where a target train is located when the position of the target train is lost is determined, wherein the target train is a train needing to be subjected to position tracking after the position of the target train is lost, a train track where the target train is located comprises at least two physical detection sections which are sequentially connected end to end, and axle counters are arranged at the two ends of each physical detection section; the first axle counter and the second axle counter are used for detecting the running direction of the train passing through the first axle counter and the second axle counter respectively and located at the two ends of the first physical detection section respectively; and a second physical detection section occupied by the target train is determined according to the detected driving directionsof the trains passing through the first axle counter and the second axle counter. According to the scheme, the accuracy of tracking the train position can be improved.

The invention discloses an axle counter installation test detector, which comprises a steady traveling wheel connecting axle, two traveling wheels are rotatably mounted on the steady traveling wheel connecting axle and respectively arranged on the top surfaces of rails to be detected, small traveling direction positioning wheels are respectively rotatably mounted on both ends of the steady traveling wheel connecting axle, moreover, the rims of the two small traveling direction positioning wheels respectively cling to the side surfaces of the rails to be detected, a simulated wheel pair test board is connected with the bottom of the steady traveling wheel connecting axle, and an infrared height measuring instrument is mounted on the front end of the simulated wheel pair test board. The axle counter installation test detector can detect whether the installation height of an axle counter magnetic head sensor comes up to a standard and an acceptance specification, can simulate the running direction and wheel pair of a train and has the advantages of more accurate detection and minor error.

The invention discloses a rail transit vehicle axle counter magnetic field EMC semi-physical simulation method, which is characterized in that an electromagnetic field constraint algorithm of an axle counter is adopted, a simulation model of a magnetic induction line of the axle counter is calculated by using a magnetic field line of the axle counter according to related conditions of a steady-current electromagnetic field, and connection simulation is synchronously implemented through a hardware I / O module and the axle counter; according to the semi-physical simulation method, the simulation data and the detection data are synchronously compared in the single semi-physical simulation process, so that the semi-physical simulation data are obtained, and the data are uploaded to the SQL database of the cloud through the network to be processed and exported. According to the method, the deviation in the simulation operation process of the axle counter can be reduced, the simulation data of a part of real objects are combined, so that the data are more accurate in the test process, simulink simulation belongs to off-line simulation, the simulation process is kept to have good and stable timeliness, and the reliability of the data is maintained.

The invention discloses a train control system, a control method and a train. The train control system comprises a first vision fusion processing module arranged in a train head of a train, wherein the first vision fusion processing module comprises a first camera and a first vision processor, the first camera is used for collecting images in the advancing direction of the train, and the first visual processor is used for identifying the acquired images based on a visual identification technology so as to monitor the front of the train; and a central processing unit connected with the first visual processor and used for receiving the first visual monitoring result data sent by the first visual processor and controlling running of the train according to the first visual monitoring result data. The system does not depend on trackside equipment such as an axle counter, is low in cost and does not need installation and maintenance of the trackside equipment such as the axle counter; and after a visual sensor in the train senses whether obstacles exist in front of the train, the train can autonomously decide to move forwards or brake, so that completely autonomous running is realized.