Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

54 results about "Railway level crossing" patented technology

A level crossing is an intersection where a railway line crosses a road or path at the same level, as opposed to the railway line crossing over or under using a bridge or tunnel.

Device and method for responding to loss-of-brake on a railroad crossing gate mechanism

A crossing gate mechanism includes an electric brushless direct current (BLDC) motor with a sensing device, a crossing gate arm operated via the BLDC motor, a motor brake coupled to the BLDC motor, wherein the motor brake is configured to hold the crossing gate arm in a position, and a controller configured to control the BLDC motor, wherein the controller is configured to control the BLDC motor to raise or lower the crossing gate arm in response to a gate control signal, and wherein, when the motor brake fails to hold the crossing gate arm in the position, the controller is configured to control the BLDC motor to hold the crossing gate arm in the position instead of the motor brake.
Owner:SIEMENS MOBILITY INC

Systems and methods for controlling a railroad crossing gate

A method of controlling a gate system located at a railroad crossing includes receiving a track selection signal indicative of a service request to disable operation of the gate system. The method further includes receiving track status data indicating operational safety conditions for a segment of a track corresponding to the gate system. The method further includes determining whether the gate system satisfies predefined safety criteria based on the track status data. The method further includes determining whether to grant the service request based on whether the gate system satisfies the predefined safety criteria. The method further includes providing the service request to a dispatch server and receiving an approval message indicating to disable the operation of the gate system. The method further includes providing, to a controller configured to operate the one or more components of the gate system, instructions indicating to disable the operation of the gate system.
Owner:INTERRAIL ENGINEERING INC

Hose bridge extender and railroad crossing

A bridge piece that can be used as a hose bridge extender or a railroad crossing. An exemplary bridge piece has a body having an undercut proximate one side, which undercut is positioned near a track when used as part of a railroad crossing.
Owner:CLEVELAND RECLAIM IND D B A TURTLE PLASTICS

Electric fence door equipment for railway crossing

The utility model provides railway crossing electric fence door equipment, and particularly relates to the technical field of railway crossing fence doors, the railway crossing electric fence door equipment comprises a ground rail, a first fence door trolley and a second fence door trolley, according to the railway crossing electric fence door equipment, before a train arrives, a worker starts a remote control switch through a remote controller so as to start a motor; the first gear and the second gear are in meshed connection, so that the rotating shaft is driven to rotate, the first fence door trolley moves, the railway crossing is blocked through movement of the first fence door trolley, during installation, the number of the second fence door trolleys can be increased according to the width of the railway crossing, and when the second fence door trolleys are connected with the first fence door trolley, installation is convenient. The two fence door trolleys can be connected only by pulling the pin rod to compress the spring, inserting the butt joint block into the connecting block, loosening the pin rod, rebounding the spring and inserting one end of the pin rod into the pin hole, and therefore the two fence door trolleys can be connected, the two second fence door trolleys can be connected through the same method, and practicability is wider.
Owner:SHANGHAI FANGDENG TECHNOLOGY CO LTD

Railway level crossing intelligent alarm system

The utility model discloses a railway level crossing intelligent alarm system, which comprises a traffic signal lamp, an incoming vehicle signal acquisition unit, a departure signal acquisition unit, a protection detection unit and a protection signal machine, the protection signal machine is arranged on the left side of a railway, and the protection detection unit comprises a barrier gate in-place detector, a personnel on-post detector and an inspection control unit. The detection output end of the barrier gate in-place detector is connected with the barrier gate in-place signal input end of the inspection control unit, the detection output end of the personnel on-post detector is connected with the on-post signal input end of the inspection control unit, and the detection output end of the coming vehicle signal acquisition unit is connected with the coming vehicle signal input end of the inspection control unit. The detection output end of the departure signal acquisition unit is connected with the departure signal input end of the inspection control unit. And on-duty workers can be detected to stand on duty, passing is completely prohibited firstly, and safety accidents are prevented.
Owner:ZHUZHOU XUYANG ELECTRICAL & MECHANICAL TECH DEV CO LTD +2

Method for preventing turnout conflict and target control device

A method for preventing a turnout conflict of a railway is applicable to a railway controller and includes: receiving a first request from a first train and a second request from a second train for using a turnout within a time period; determining whether a first distance between a current position of the first train and the turnout is equal to a second distance between a current position of the second train and the turnout; and in response to determining that the first distance is equal to the second distance, determining a priority user based on first arrival information of the first train and second arrival information of the second train, where the arrival information includes whether the train arrives at a next parking station on schedule, ahead of schedule, or behind schedule when running at a maximum running speed.
Owner:BYD CO LTD

Railway crossing periphery fire isolation device

The utility model discloses a fire isolation device around a railway crossing, and relates to the technical field of railway fire protection. Comprising a fixed fireproof plate, the fixed fireproof plate comprises two pairs of first arc-shaped grooves, each pair of first arc-shaped grooves are formed in different edges of the fixed fireproof plate respectively, and the two first arc-shaped grooves in the different edges are located in the different sides of the fixed fireproof plate respectively; the railway crossing fireproof plate has the advantages that the fixed fireproof plate and the movable fireproof plates on the two sides are used in cooperation, so that a proper unfolding mode can be selected according to the actual fire behavior of a railway crossing, in the case of small fire, the railway crossing fireproof plate is unfolded into a U shape to surround a fire source, and in the case of big fire, the railway crossing fireproof plate is unfolded into a line shape to stand on the periphery of a rail; meanwhile, by means of the first sealing structure and the second sealing structure, when the movable fireproof plate is unfolded, the seam between the movable fireproof plate and the fixed fireproof plate can be sealed in sequence, flames and high-temperature smoke are prevented from leaking from the seam, the fire isolation effect is further improved, and normal operation of the railway crossing is guaranteed.
Owner:李浩

A driver warning system for railway level crossings

Embodiments of the invention provide a system that warns a driver as their vehicle approaches a railway level crossing based on the current location of the vehicle and its proximity to the railway level crossing at that time.
Owner:AUSTRALIAN MITIGATION ENG DEV PTY LTD

Hose bridge extender and railroad crossing

A bridge piece that can be used as a hose bridge extender or a railroad crossing. An exemplary bridge piece has a body having an undercut proximate one side, which undercut is positioned near a track when used as part of a railroad crossing.
Owner:CLEVELAND RECLAIM INDS

Terminal and notification system

This prevents users who are already inside a level crossing from remaining inside the crossing. [Solution] Terminal 1 is a terminal used by a user and includes a location information acquisition unit 161 that acquires terminal location information indicating the location of terminal 1, a storage unit 15 that stores level crossing location information indicating the location of a railway level crossing, a detection unit 162 that detects the alarm sound of a level crossing, and a notification unit 164 that, based on the level crossing location information stored in the storage unit 15, determines that a level crossing exists within a predetermined range from the location of terminal 1 indicated by the terminal location information acquired by the location information acquisition unit 161, and when the detection unit 162 detects an alarm sound, notifies the user.
Owner:KDDI CORP

System and method for railway crossing data

Systems and methods for railway crossing data are provided. The method includes providing a computer with at least one processor and a memory device including readable instructions, and at least one user device in communication with the at least one processor via a network connection; receiving railway crossing data; storing the railway crossing data in at least one database; receiving at least one railway crossing data request; filtering the railway crossing data based on the at least one railway crossing data request; and transmitting a communication to the at least one user device in response to the at least one railway crossing data request.
Owner:HILLABRAND GREGORY JAMES

Three-dimensional pull-type observation system structure for detecting underlying diseases of railway crossing

The utility model relates to a three-dimensional towed observation system structure for detecting underlying diseases of a railway crossing, which comprises an acquisition device, a traction device, an acquisition host and a vibration excitation device, the acquisition device comprises a plurality of sensors arranged in an array mode, the sensors in the same row are connected one by one, and the traction device is connected with the acquisition host. The traction device is connected with the acquisition device so as to drag the sensors, the acquisition host is connected with the sensors so as to receive measurement data acquired by the sensors, and the excitation device is arranged on one side of the acquisition device and is used for generating vibration data acquired by the acquisition device. The device has the advantages that a three-dimensional result can be formed through one-time excitation in an array type arrangement mode, meanwhile, a pull-type operation mode is adopted, the detection efficiency can be greatly improved, the detection precision can be improved by updating an existing two-dimensional data processing mode into a three-dimensional processing mode, and the interpretation accuracy of crossing underlying diseases can be greatly improved.
Owner:SHANGHAI GEOTECHN INVESTIGATIONS & DESIGN INST

Railway crossing personnel intrusion identification method and device, electronic equipment and storage medium

The invention provides a railway crossing personnel intrusion identification method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a railway crossing image, and dividing the railway crossing image into a signal lamp region, a fence gate region and a pedestrian detection region, identifying the color of a signal lamp in the signal lamp area based on a pre-trained signal lamp detection model to obtain signal lamp color information, identifying a fence gate in the fence gate area based on a pre-trained fence gate detection model, and obtaining fence gate position information of the fence gate based on an identification result, and obtaining a pedestrian detection trigger signal according to the color information of the signal lamp and the position information of the fence gate, if the pedestrian detection trigger signal is a trigger, performing pedestrian detection on the pedestrian detection area based on a pre-trained pedestrian detection model, and triggering a personnel intrusion alarm based on a pedestrian detection result. The technical problem that personnel intruding into the railway crossing cannot be identified in the prior art is solved.
Owner:CISDI INFORMATION TECH CO LTD

An automatically controlled railway crossing gate

The present application relates to railway crossing management technical field, specifically to an automatic control railway crossing gate, including casing, rotating seat, first gate lever and second gate lever. The rotating seat is rotatably installed on the casing. The first gate lever is installed on the rotating seat and can rotate with the rotating seat. The second gate lever and the first gate lever are connected through a transmission member, the transmission member enables the second gate lever to rotate synchronously with the first gate lever, and the second gate lever can rotate relative to the first gate lever. The automatic control railway crossing gate utilizes the relative rotation of the first gate lever and the second gate lever, disperses the inertia impact force at the moment of rotating the first gate lever to drive the second gate lever to rotate, and utilizes the compressibility of gas to absorb part of the impact force, converts the instantaneous rigid impact into flexible buffering, reduces the stress borne by the connecting part of the rotating seat and the first gate lever, and prolongs the service life of the gate.
Owner:SHENYANG DEKE RUITONG MASCH CO LTD

Railway crossing foreign matter intrusion intelligent detection and real-time early warning method and system

PendingCN122336297AMultiple sensorEngineering
This invention discloses an intelligent detection and real-time early warning method and system for foreign object intrusion at railway crossings, belonging to the field of railway traffic operation technology. The method includes joint calibration of a visible light camera, an infrared camera, and a millimeter-wave radar. Based on the calibrated joint sensing devices, visible light images, infrared images, and radar echo signals are collected. An edge computing device detects and locates foreign objects at railway crossings based on the visible light images, infrared images, and radar echo signals. The edge computing device then evaluates the hazard level of the foreign object and issues an early warning based on the detection results. This invention achieves accurate identification and segmentation of foreign objects in complex scenarios through multi-sensor collaboration and an improved YOLO v8 network, significantly improving detection efficiency and response speed. Based on a multi-dimensional hazard scoring model, it achieves quantitative threat assessment and graded early warning, triggering alarms only for high-risk targets, avoiding resource waste, and significantly improving the intelligent level of railway safety management.
Owner:SHANDONG HIGH SPEED RAIL GRP +3

Mobile sensor-based railway crossing safety device

A device for detecting an approaching train at a roadway railway crossing and providing an intervention for avoiding a collision that avoids the need for crossing site approval, installations, etc. and associated hardware and installation costs. The device may be configured as a stand-alone device, as an accessory matable to a motor vehicle (e.g., via an OBD II port), or may be fully integrated into the motor vehicle. The device includes a microphone for receiving an ambient audio signal, and processes the audio signal to determine whether a train is present. If so, the device may provide an audible and / or visual warning signal to a vehicle driver, via the device itself or via components of the motor vehicle. In certain other embodiments, the device is configured to provide a control signal causing operation of braking, engine, steering or other vehicle systems to avoid a collision.
Owner:ROWAN UNIVERSITY

A dedicated automatic alarm system and method for railway crossings

This invention discloses an automatic alarm system and method for dedicated railway crossings, belonging to the field of dedicated railway crossing control technology. The invention includes a detection unit, a control unit, an alarm unit, and a monitoring unit. This invention solves the safety hazards of unattended crossings in the prior art. By using sensors, the automatic crossing control technology achieves advantages such as precise alarm timing and the ability to adjust the alarm time based on actual transportation needs. Utilizing the traffic flow statistics function of electronic police systems, it monitors the traffic flow at railway crossings in real time, automatically counting the number of various types of vehicles passing through at different times, and analyzing the traffic conditions at factory crossings. This provides accurate reference data for logistics scheduling and road condition optimization. Simultaneously, monitoring cameras can monitor the status of on-site equipment and pedestrians and vehicles at the crossing, thereby ensuring the status of on-site equipment and preventing personnel and vehicles from rushing across the crossing.
Owner:МААНЬШАНЬ АЙРОН ЭНД СТИЛ КО ЛТД

An intelligent sound system and method

The application relates to the technical field of sound intelligent control, in particular to an intelligent sound system and method; a first crossing mode, a second crossing mode and a third crossing mode are obtained according to the state of a crossing sliding door; first crossing data and first moving data of the first crossing mode are identified to obtain a first abnormal area and a first abnormal coefficient, and then first orientation data are determined by combining the first abnormal area with a first distance between the crossing sliding door; second crossing data of the second crossing mode are identified to obtain a second abnormal area and a second abnormal coefficient; second orientation data are determined according to a second distance between the second abnormal area and the crossing sliding door and the second abnormal coefficient; third crossing data and second moving data of the third crossing mode are identified to obtain a third abnormal area and a third abnormal coefficient, and then third orientation data are determined by combining the third abnormal area with a third distance between the crossing sliding door. The intelligent control of the railway crossing sound equipment is realized through the orientation data of different modes.
Owner:NANJING PIONE HIGH TECH

Railway crossing intelligent safety management early warning system

The present application relates to the technical field of radio wave signal transmission, and specifically discloses a railway crossing intelligent safety management early warning system, which is composed of a dispatching center device, a machine room device and a crossing device, and communicates, warns and controls information through an optical network switch, and the machine room device is provided with a track interlocking host computer, and further comprises an information acquisition processing and analysis module arranged in the machine room device and connected to the track interlocking host computer through a wireless communication connection of sensors, monitors and interphones arranged in the crossing device; the railway crossing intelligent safety management early warning system is arranged between the crossing device, the machine room device and the dispatching center device, and is used in combination with a crossing protection system platform software in the dispatching center device, image algorithm training and mask positioning technology are adopted to realize the railway crossing intelligent safety management function, and the time of train running in and out of the crossing is accurately calculated.
Owner:苏州光心优加电子科技有限公司

A multi-mode yellow flashing warning signal light for railway crossings

This invention relates to the technical field of railway crossing safety warning equipment, and discloses a multi-mode yellow flashing warning signal light for railway crossings. The light includes a column, with multiple indicator lights mounted on its outer wall. A control box is fixedly mounted on the outer wall of the column, and a solar panel is fixedly mounted on the upper surface of the control box. The solar panel is fixedly connected to a converter via an external connection cable, and the converter is fixedly connected to an independent power supply via the same external connection cable. A water inlet tank is fixedly connected to the outer wall of each indicator light, and a suspended ball is installed inside the water inlet tank. Multiple limiting rods are slidably connected inside the suspended ball, and multiple magnetic blocks are fixedly connected to the upper surface of the suspended ball. By sliding a baffle, the ventilation holes inside the control box are adaptively sealed, preventing external moisture from entering the control box and damaging the internal electronic components.
Owner:ZHANJIANG PORT (GRP) CO LTD

Rail level crossing risk management and control method and device, computer equipment and storage medium

The embodiment of the invention provides a track level crossing risk management and control method and device, computer equipment and a storage medium, and the method comprises the steps: monitoring whether the step change of signal data collected by a pressure sensor disposed on a track in advance occurs in real time, respectively deploying pressure sensors at the track level crossing along the track at a preset distance forwards and backwards; under the condition that the step change of the signal data occurs, first alarm information is sent to prompt pedestrians and vehicles to avoid; determining whether the corresponding train is overspeed according to the signal data; under the condition that the train is overspeed, second alarm information is sent to prompt the train to decelerate, whether the train arrives at the rail level crossing or not and the current speed of the train can be determined through real-time monitoring of the pressure sensor, and risks possibly occurring at the rail level crossing are managed and controlled in real time.
Owner:CRRC INFORMATION TECH CO LTD +1

Railway crossing pedestrian and traffic safety detection system and equipment based on machine vision

The invention discloses a railway crossing pedestrian and traffic safety detection system and equipment based on machine vision, relates to the technical field of machine vision, and aims to solve the problems of many potential safety hazards, high cost and low efficiency of traditional manual guarding. The system comprises an image acquisition module (a crossing south-north high-definition camera, the resolution is greater than or equal to 1920 * 1080), an intelligent analysis module (an AI edge server, a deployment YOLOv11 model, and the mAP is greater than or equal to 90%), a signal detection module (a pressure sensor 1000 meters away from the crossing), an alarm control module (a PLC, an audible and visual alarm and the like) and a centralized control center module, and a monitoring area is divided into a forbidden area, a dangerous area and a waiting area. When a train approaches, multi-level early warning is triggered, and when abnormity (for example, a forbidden area target stays for more than 3 seconds), second-level alarm is triggered and transmitted to a centralized control center, and a fault-tolerant mechanism is further arranged. Equipment comprises acquisition, analysis, communication and storage equipment, unattended operation of the crossing is realized, the accident rate and cost are reduced, and the traffic efficiency is improved.
Owner:云鼎科技股份有限公司

Intelligent freight yard train passing protection control system

The invention relates to the technical field of freight yard train passage protection, and discloses an intelligent freight yard train passage protection control system, which comprises a monitoring unit, a control unit and a control unit, the control unit also comprises the following steps: constructing a level crossing judgment model based on the historical data of the railway level crossing; judging whether the train can enter the station or not by combining the obtained first type of data, the obtained second type of data and a flat aisle judgment model; if the train can enter the station, a priority order of the freight yard train is generated; generating a scheduling strategy of the flat aisle area by combining the priority ranking of the freight yard trains, and generating a scheduling instruction based on the scheduling strategy; and generating a second early warning instruction in combination with the obtained first type of data and the second type of data. The method has many innovation points in the aspects of safety guarantee, operation efficiency improvement, data utilization, intelligent decision making and the like, and the safety and efficiency of freight yard train passing are effectively improved.
Owner:HUANENG TONGCHUAN ZHAOJIN COAL POWER CO LTD

A method, system and medium for warning of falling objects at lane intersections based on image recognition

The present application relates to a method, system and medium for warning of dropped objects at road crossings based on image recognition. The method includes using an industrial camera to monitor unmanned railway crossings and collect data for image recognition; obtaining a grayscale image as a base map, which is image S; obtaining image B, performing a contour detection operation on image B, and obtaining a final image C; marking the actual coordinates of all detected targets into a target coordinate information queue with a fixed length of N; obtaining a final difference operation result image K, and storing the operation result K in an edge image queue with a fixed length of N; according to the target coordinate information queue and the edge image queue, deriving targets that may affect railway operations if they stay in place, and pushing them to the administrator. The present application uses image recognition technology to detect railway crossings where trucks are prone to falling, prevent foreign objects from interfering with train operation, reduce hidden dangers in railway operations, reduce the workload of security personnel, and facilitate safe and intelligent production.
Owner:WUHAN SURVEYING GEOTECHN RES INST OF MCC +1

Level crossing safety protection system and safety protection control method

The invention belongs to the technical field of rail traffic safety protection, and discloses a level crossing safety protection system and a safety protection control method, and the level crossing safety protection system comprises a fixing assembly and a protection robot. The fixing assembly comprises fixing supports and magnetic attraction warning belts, the fixing supports are symmetrically arranged on the two sides of the tail end of a level crossing on the warehousing side, and the magnetic attraction warning belts are arranged on the fixing supports; the protection robot comprises an AGV trolley, a magnetic attraction part and a detection recognition part, and the AGV trolley is arranged at a charging position in the maintenance warehouse and can move in the maintenance warehouse. During defense organization, the AGV trolley moves to the side portion of the fixing support so that the magnetic attraction piece can be connected with the magnetic attraction warning tape, and the magnetic attraction warning tape is pulled to conduct defense organization. And after the locomotive warehouse-in and warehouse-out operation is completed, the AGV trolley returns to the fixed support to enable the magnetic attraction part to be separated from the magnetic attraction warning tape and returns to the charging position along the original path. The system is high in automation degree, can automatically achieve physical blocking of the level crossing area, and guarantees the safety of personnel and vehicles.
Owner:BEIJING RAILWAY INST OF MECHANICAL & ELECTRICAL ENG