25 results about "Axle counter" patented technology

The invention provides a backup signal system and a train operation control method, and the system comprises a grating vibration sensor which is used for collecting a vibration signal generated when a train passes; the grating axle counting equipment is used for detecting position information and speed information of the whole train based on the vibration signal; the interlocking equipment is used for sending the signal machine state information and the position information and the speed information of the front train to the backup vehicle-mounted processing equipment when the train is degraded due to the fault reason; the backup vehicle-mounted processing equipment is used for calculating the position of a train safety protection point according to the signal machine state information and the position information and the speed information of the front train; and generating a safety speed protection curve based on the position of the train safety protection point and the route road condition information in a preset electronic map. According to the backup signal system based on the grating axle counting, accurate positioning of the train is achieved, a safety speed protection curve is generated, train tracking safety and speed curve supervision protection are achieved, and running safety and efficiency of the whole train are guaranteed.

One aspect of the present invention relates to a decommissioning system for decommissioning one or more track sections in a railway network. A decommissioning system may be understood as a system designed to interface with railway signalling systems to simulate track occupancy, thereby preventing train movements in designated sections for safety purposes. The purpose of such systems is to enable maintenance or other work on or around tracks without compromising safety or disrupting broader railway operations.

The application provides a train sequencing method, system and storage medium, which is applied to a train control system based on train-to-train communication. The train control system based on train-to-train communication stores virtual section data for representing the position of a train in a whole track, and a vehicle list for representing the front-back relationship of the train in each virtual section. Each virtual section corresponds to a vehicle list. The method comprises the following steps: receiving a current position reported by a train; determining a current virtual section to which the train belongs and a current vehicle list in the current virtual section according to the current position; when the current virtual section changes or the current vehicle list changes, finding a front train of the train, and updating the front train relationship of the train. Through the scheme of the application, the dependence on trackside axle counters can be avoided, the overall sequencing of trains in the whole line is automatically completed by the train control system based on train-to-train communication, and the technical problem that the front train cannot be found in train-to-train communication is solved, which is beneficial to realizing train-to-train communication.

The utility model discloses a doppler microwave radar-based axle counting speed measurement control device special for railways, which relates to the technical field of railway safety, and particularly comprises a rail, a hole is formed in the inner side of the rail, a back buckle is movably mounted on the inner side of the hole in a penetrating manner, a ratchet groove is formed in the inner side of the back buckle, and the ratchet groove is communicated with the hole. A through hole is formed in one end of the inner side of the back buckle, a threaded hole is formed in the middle of the back buckle, a front plate is movably installed on the other side of the rail, connecting columns are fixedly connected to the two ends of one side of the front plate, and the two connecting columns are matched with the two ends of the back buckle correspondingly. And a plurality of movable grooves distributed in an annular array are formed in the inner side of the connecting column. The back buckle and the front plate can be gathered together through matching of the bolt and the threaded hole, so that installation is achieved, meanwhile, the ratchet bolt and the ratchet groove are matched, limiting can be automatically achieved after installation, and the situation that the device is installed loosely due to vibration generated when a train runs is avoided.

The invention relates to the technical field of axle counter immunity testing, in particular to an axle counter immunity testing system, method, device and equipment, a medium and a product, and the system comprises a measuring unit which is arranged on a track and is used for measuring the amplitude and frequency of an interference signal; the injection unit is arranged to rotate around the measurement unit and emit interference signals in different directions; by arranging the axle counter immunity testing system comprising the measuring unit and the injection unit, the injection unit rotates around the measuring unit and emits interference signals in different directions, so that interference magnetic fields in different directions can be simulated, and the immunity of the axle counter under interference in different directions can be comprehensively evaluated.

The invention relates to the technical field of railway operation management, in particular to a railway axle counter monitoring system and method for the rail transit equipment industry, and the method comprises the steps: analyzing the matching degree of an axle counter counting mode and train operation characteristics through an operation characteristic matching degree analysis model; analyzing the interference degree of the counting mode of the axle counter in the section operation environment through a counting environment interference degree analysis model; constructing a counting mode adaptation risk assessment model, and assessing the adaptation risk of the counting mode of the axle counter in the railway operation section; according to the adaptation risk assessment result of the axle counter counting mode in the railway operation section, adjusting and early warning are carried out on the axle counter counting mode; the running state of the axle counter can be tracked in real time, the problem of axle counting deviation caused by train axle load difference and environmental interference can be found and solved in time, the counting mode of the axle counter can be adjusted in time, and it is ensured that counting of the axle counter is always accurate and reliable.

The present invention provides a turnout zone intrusion alarm apparatus and method. Upon detecting that a train enters a turnout intrusion protection zone or detecting that the train leaves the turnout intrusion protection zone, the axle counters each send a corresponding axle entry signal or axle exit signal to a corresponding zone intrusion protection alarm device; if the turnout intrusion protection zone is idle, the zone intrusion protection alarm device receives an axle entry signal triggered by a communication vehicle having movement authorization, and if receiving an axle entry signal triggered by an intruding vehicle before receiving an axle exit signal triggered by the communication vehicle, then sends alarm information to an interlocking device; the interlocking device turns off an opened annunciator, and forwards the alarm information to a zone controller; the zone controller sends an instruction for invalidating the movement authorization, so that the communication vehicle is braked. In the present solution, the turnout zone intrusion protection alarm information can be directly determined on the basis of the axle entry signals and axle exit signals sent by the axle counters, so that compared with the prior art, the input information is simple, and the response speed is faster.

The invention provides a dual-redundancy axle counting method, axle counting hosts and a dual-redundancy axle counting system.After each axle counting host in a station receives an output signal of a wheel sensor, the output signal of the wheel sensor is converted to obtain a digital signal of the wheel sensor, and then the digital signal of the wheel sensor is calculated based on the digital signal of the wheel sensor. Determining first axle counting data; sending the first axle counting data to an axle counting host of an adjacent station, and receiving second axle counting data sent by the adjacent station; then, according to the first axle counting data and the second axle counting data, section state information is determined; and finally, determining a section occupation result by combining the section state information with section state information output by other axle counter hosts in the station. Through redundancy configuration, normal application is not affected when any part or channel breaks down or is disturbed, and the availability and reliability of the axle counting system are greatly improved.

The utility model relates to the field of axle counting sensors, and particularly discloses a railway axle counting sensor train velocimeter which comprises a data control box and an axle counting sensor, the axle counting sensor is provided with a fixing mechanism, the fixing mechanism comprises a rotating sleeve and a meshing lug plate, a first screw rod is installed on the inner side of one end of the rotating sleeve, and a second screw rod is installed on the inner side of the other end of the rotating sleeve. And a second lead screw is installed on the inner side of the other end of the rotating sleeve, a kidney-shaped hole is formed in the axle counting sensor, a positioning lantern ring is installed in the kidney-shaped hole, a suction cup is arranged at the position, located below the axle counting sensor, in the positioning lantern ring, and a warping rod is installed at the upper end of the suction cup. The whole rotating sleeve can synchronously rotate in a meshed mode with the first lead screw and the second lead screw, the first lead screw makes contact with the lower jaw of the rail head, the second lead screw makes contact with the rail bottom, and after the whole axle counting sensor is supported on the inner side of the rail, it is guaranteed that the whole axle counting sensor is stably installed.

The invention relates to a train control method, and belongs to the technical field of rail transit. The autonomous sensing system comprises a sensing system and an autonomous sensing host; the axle counter is arranged in the fault parking area and is used for positioning the train in the fault parking area; when the train-ground communication system breaks down and the autonomous sensing system is effective, the train runs in a first control mode, and in the first control mode, the automatic train protection system obtains train running data based on the autonomous sensing system, carries out train positioning and mobile authorization control. The invention designs a train operation control mode under the condition of a simplified axle counter, an annunciator and a transponder, and multi-mode descending-level train operation control is realized.

A procedure for evaluating a data set (110) is described, comprising the following procedure: i) Recording a one-dimensional time history as a data set (110) using an axis counter (100); and ii) Evaluating the data set (110) by identifying signals in the one-dimensional time course and classifying the signals in the one-dimensional time course in one step using a one-step deep learning-based algorithm (150).

The application provides a heavy goods transportation weighing system, and relates to the technical field of dynamic weighing.The technical scheme is as follows: two portal frames are installed above a weighing lane at intervals, a dynamic scale platform is arranged between the portal frames, and a license plate recognition camera is arranged on one side of the weighing lane and in front of the weighing platform.The dynamic scale platform comprises a base and a weighing platform installed on the base.A scale-out axle counter is installed at the front end of the weighing platform, a scale-in axle counter is installed at the rear end of the weighing platform, the upper surfaces of the scale-out axle counter and the scale-in axle counter are flush with the upper surface of the weighing platform, an axle recognition device is installed behind the dynamic scale platform, and two of the portal frames are provided with snapshot cameras.The system has the advantages of accurately judging the state of vehicles entering and leaving the weighing platform, improving the accuracy of weighing data, monitoring the driving state of vehicles in real time, and improving the matching degree of license plate recognition.

The utility model provides a kind of axle counter anti-interference system suitable for 27.5KV system line, by optimizing the installation position of axle counter sensor along track, using electromagnetic shielding and distance attenuation principle, avoid its in strong electromagnetic interference source vicinity, reduce the influence of outside interference to axle counter sensor, to reduce the axle counter failure incidence;Specifically, according to different ballast type to take different anti-interference measures: for main line whole ballast, using axle counter point two ends separate grounding technology, utilize the low resistance characteristics of ground net, the interference current generated by rail return flow is introduced into the earth, reduce the traction current flowing through axle counter sensor, ensure the stable operation of axle counter equipment;For vehicle depot field gravel ballast, using current sharing technology, the rail return flow before and after axle counter point is evenly distributed to the surrounding track, effectively weaken the interference influence of large current on rail to axle counter sensor, ensure the normal work of axle counter equipment in the complex environment of vehicle depot.

The utility model discloses an aging monitoring device for an axle counting sensor. The aging monitoring device comprises a plurality of aging acquisition boards, a converter connected with the aging acquisition boards through a CAN bus, a switch connected with the converter, and a step-in high and low temperature test box used for providing a high and low temperature test environment for the axle counting sensor, the monitoring device can collect state information of the axle counting sensor in real time, record module value voltage curves of each sensor at different temperatures in real time, facilitate screening of sensors which do not meet requirements, collect data of different temperature working conditions of the axle counting sensor, and improve the detection accuracy of the axle counting sensor. And analysis of fault reasons of the axle counting sensor under different temperature working conditions is facilitated.

The application provides a kind of axle counting section ARB state judging method, device, equipment and medium, the method includes when interlocking reports is occupied state, if the target axle counting section is judged to be idle state before occupied state, the maximum communication delay time between the front and rear axle counting section area controller and interlocking is determined respectively, and the maximum communication delay time between the target axle counting section area controller and adjacent axle counting section area controller, and according to the highest speed limit of axle counting section, the first delay allowed running distance of train arriving target axle counting section is calculated, and the second delay allowed running distance after train leaves target axle counting section, so that the section corresponding to the first delay allowed running distance and the second delay allowed running distance is respectively regarded as the rear section and front section of target axle counting section;With axle counting device working cycle as determination cycle, if the occupied state of front section and rear section in last cycle is idle or ARB, then the target axle counting section is determined as ARB state.

The invention discloses a sensor signal waveform multi-dimensional feature recognition method, which belongs to the technical field of rail transit, and comprises the following steps: acquiring an original signal of an axle counting sensor; carrying out noise reduction processing on the original signal by adopting a Kalman filtering algorithm, and outputting a filtered signal; processing and distinguishing are conducted through an amplitude distinguishing algorithm, a single-waveform symmetry distinguishing algorithm, a single-pulse curve slope distinguishing algorithm, a single-pulse curve slope distinguishing algorithm and a double-pulse waveform similarity distinguishing algorithm, if distinguishing results all meet the requirement, the pulse waveform is finally judged to be an effective pulse waveform, and if any one of the distinguishing results does not meet the requirement, the pulse waveform is judged to be an effective pulse waveform. And finally determining the pulse waveform as an invalid pulse waveform. In the output signal identification of the axle counting sensor, a method based on multi-feature identification is provided for the first time, so that the signal identification accuracy is greatly improved, and the anti-interference performance of equipment is enhanced; meanwhile, signal quality can be identified, interference signal types can be judged, and a basis is provided for signal monitoring.

The utility model relates to the technical field of railway construction, in particular to an axle counter protection device in existing line construction, which comprises a left protection cover, a right protection cover and a steel rail, nylon son buckles are welded on the front side and the rear side of the right side of the top of the left protection cover, and nylon mother buckles are welded on the front side and the rear side of the left side of the top of the right protection cover. The left side of the left protective cover and the right side of the right protective cover are fixedly connected with positioning cylinders in a penetrating mode, inner cavities of the positioning cylinders are in threaded connection with lead screws, and the opposite ends of the lead screws are movably connected with protective shells through bearings. Through cooperation of the left protection cover, the right protection cover, the steel rail, the nylon son buckle, the nylon mother buckle, the positioning cylinder, the lead screw and the protection shell, the axle counter protection device has the advantage of protection function, the left protection cover and the right protection cover are fixed to the two sides of the steel rail through the nylon son buckle and the nylon mother buckle, and the axle counter can be protected under the action of the right protection cover and the left protection cover; and collision and rubbing of foreign objects are avoided.

The utility model discloses a tool for assisting an axle counting simulation wheel to be perpendicular to a steel rail, which comprises a fixing frame, a clamping groove with an upward opening is arranged on the fixing frame, the simulation wheel can be embedded in the clamping groove, a first side wall and a second side wall which are oppositely arranged are arranged in the clamping groove, and the simulation wheel can abut against the first side wall when located between the first side wall and the second side wall. A pressing plate and a bottom plate are horizontally arranged on the side, close to the second side wall, of the fixing frame, the bottom plate is located at the bottom of the fixing frame, the pressing plate is fixed above the bottom plate in a liftable mode, the lower surface of the pressing plate and the upper surface of the bottom plate are parallel and perpendicular to the first side wall, and the pressing plate can be tightly connected with the upper surface of the steel rail. The upper surface of the bottom plate can abut against the lower surface of the steel rail. The device is simple in structure and convenient to use, can enable the simulation wheel to be perpendicular to the steel rail during test adjustment of the axle counting system, guarantees that the posture of the simulation wheel is consistent with the posture of a wheel cutting magnetic field when a train passes, is accurate in measurement data, can reduce the measurement time, and has the effect of improving the test efficiency.

The embodiments of this specification provide a train screening method, device, computing device, and computer-readable storage medium. The method includes: obtaining train data sent by a target train, where the train data includes the reference number of wheel pairs of the target train; obtaining the target number of wheel pairs recorded by a starting axle counter in a target section where the target train is located, where the target section includes an axle counting section between two adjacent idle axle counting sections, and the idle axle counting section is an axle counting section not occupied by a train; performing a quantitative relationship analysis based on the reference number of wheel pairs and the target number of wheel pairs to determine the target screening status of the target train in the target section, where the target screening status characterizes the screening status of the front side and the rear side of the target train in the traveling direction. This method can improve the train screening efficiency and correspondingly improve the train operation efficiency.

The application discloses a kind of methods for automatically judging protection section limit point and turnout locking, it is to the laser survey data of trackside equipment collected to carry out processing, screen out the approachable signal with protection section limit point, identify its protection section limit point, and judge limit point type, then establish protection section limit point judgment model, carry out real-time difference comparison and update, judge whether protection section limit point meets design requirement;Again, turnout and warning post are analyzed, identify the axle counter near it, calculate the distance between each train after the direction of sliding and the axle counter near it, then establish turnout locking state judgment model, carry out real-time difference comparison and update, judge whether turnout locking state meets design requirement;Finally, obtain the judgment result.According to the application, only according to the collected laser survey data, the automatic update of protection section limit point and turnout locking state can be carried out, and whether it meets the design requirement is automatically judged.

The application discloses a kind of intelligent detection device for axle counter signal source equipment, including power module, main control MCU module, first signal acquisition module, second signal acquisition module, third signal acquisition module, fourth signal acquisition module, FSK signal acquisition module and coil resistance acquisition module.The setting of first signal acquisition module, second signal acquisition module, third signal acquisition module, fourth signal acquisition module, FSK signal acquisition module and coil resistance acquisition module realizes the intelligent collection of the sending signal and receiving signal of wheel sensor pair in axle counter signal source equipment, the FSK signal sent by axle detector and the resistance characteristic parameter of each coil in wheel sensor pair, the amplitude, frequency and resistance calculation of combination main control MCU module and the comparison with preset reference value, according to each comparison result detection personnel can quickly confirm the performance state and fault point of the axle counter signal source equipment under test.

A method for operating a railroad crossing includes using an axle counter to capture measurement data for rail vehicles approaching the railroad crossing during passage of the rail vehicle. The velocity and the acceleration of the rail vehicle are calculated from the measurement data as properties of the rail vehicle by arithmetic measures. A time of closure is specified for triggering a closure of the railroad crossing as a function of the calculated properties of the rail vehicle. The velocity and the acceleration are calculated from the measurement data of the axle counter. The time of closure of the railroad crossing is specified with reference to the calculated velocity and the calculated acceleration as the rail vehicle is leaving the axle counter. An apparatus for operating a railroad crossing, a computer program product and a delivery apparatus for the computer program product are also provided.

This invention provides an axle counter reset method and apparatus. The axle counter reset method includes: acquiring the axle occupancy status of a train section, and the axle counts collected by a first type of axle counter and a second type of axle counter when a train passes through the train section; obtaining a reset command based on one or more of the axle occupancy status, the axle counts collected by the first type of axle counter, and the axle counts collected by the second type of axle counter, wherein the reset command is used to instruct the axle counters of the train section to reset. The method of this invention improves the automation level of the CBTC system and eliminates the need for manual intervention, thereby enhancing safety.

The application relates to a tunnel train visual positioning device, method, equipment and medium, which comprises a vehicle-mounted controller, a vehicle-mounted visual odometer, a train surface identification code, a trackside visual beacon, a trackside visual axle counter and feature points arranged at a set distance inside the tunnel; the vehicle-mounted visual odometer collects the trackside visual beacon and the feature points, and the trackside visual axle counter collects the train surface identification code; the vehicle-mounted controller obtains the current speed and the relative displacement from the vehicle-mounted visual odometer, calculates the current position in the line according to the trackside visual beacon and performs calibration positioning, simultaneously obtains the current position in the line from the trackside visual axle counter and performs calibration positioning, so that continuous train speed measurement and positioning are realized. Compared with the prior art, the application has the advantages of enhanced redundancy and availability of the positioning system, lower cost and the like.

Single-stage evaluation of an axle counter time characteristic Abstract A method for the evaluation of a data set (110) is described, the method including: i) recording of a one-dimensional time characteristic as a data set (110) by means of an axle counter (100); and ii) evaluation of the data set (110) by means of the determination of signals in the one-dimensional time characteristic and classification of the signals in the one- dimensional time characteristic in one step by means of a single-stage algorithm (150) based on deep learning. (Figure 1) Single-stage evaluation of an axle counter time characteristic Abstract A method for the evaluation of a data set (110) is described, the method including: i) recording of a one-dimensional time characteristic as a data set (110) by means of an axle counter (100) ; and ii) evaluation of the data set (110) by means of the determination of signals in the one-dimensional time characteristic and classification of the signals in the one- dimensional time characteristic in one step by means of a single-stage algorithm (150) based on deep learning. (Figure 1) 20 25 20 29 07 24 A pr 2 02 5 2 0 2 5 2 0 2 9 0 7 2 4 A p r 2 0 2 5 A b s t r a c t 2 0 2 5 2 0 2 9 0 7 2 4 A p r 2 0 2 5 A b s t r a c t 1 / 6 111 135 130112 110 131, 160 FIG 2 111 132, 160 FIG 3 110 151 152 150 120 112 111 FIG 1 1 / 6 FIG 1 120 150 110 151 152 111 112 FIG 2 131, 160 112 130 110 135 111 FIG 3 132, 160 111 20 25 20 29 07 24 A pr 2 02 5 2 0 2 5 2 0 2 9 0 7 2 4 A p r 2 0 2 5 1 1 0 1 5 2 1 1 0 1 3 5 2 0 2 5 2 0 2 9 0 7 2 4 A p r 2 0 2 5 1 1 0 1 5 2 1 1 0 1 3 5