46results about "Traffic gates operation" patented technology

The invention relates to the technical field of railway traffic safety control, and discloses a crossing centralized control method and system based on multi-source sensing, and the method comprises the steps: collecting multi-source sensing data, and carrying out the time synchronization of the multi-source sensing data; carrying out preprocessing and feature extraction on the time-synchronized multi-modal sensing data stream; carrying out multi-source sensing fusion by adopting an environment self-adaptive dynamic weight distribution mechanism; obtaining sensing results of adjacent crossings, performing time-space associated cooperative sensing enhancement, and outputting train arrival time prediction and confidence; performing end-to-end deep learning model decision making; executing graded early warning and fence gate control, and outputting a crossing protection execution state and an execution process log; carrying out model training and optimization; according to the invention, all-weather reliable perception, intelligent decision and cooperative control are realized, and the safety and passing efficiency of the crossing are improved.

The present invention relates to the field of traffic protection devices, and provides a rotating indication mechanism, a level crossing barrier mechanism, and a method for determining a discrete signal thereof. The rotating indication mechanism comprises a top plate movably disposed on a surface of a barrier main shaft and a trigger mechanism which is arranged on the top plate and cooperates with an indication switch; the trigger mechanism comprises a cam and a torsion spring, a first groove is provided on a side of the top plate close to the switch, the cam is rotatably arranged in the first groove by means of a rotating shaft, a second groove is provided within the first groove near a middle section of a side of the top plate, an opening is provided at a middle section of the cam on a side away from a cross-section of the cam, and the torsion spring is annularly arranged on the rotating shaft at a middle section of the opening of the cam and abuts against the second groove; and the indication switch makes and breaks a circuit by means of engagement with the cross-section of the cam and the torsion spring. An adjustable protruding surface is arranged on the barrier main shaft, so as to make the barrier main shaft more accurate in a horizontal or vertical position, and to better facilitate on-site installation and maintenance; and a buffer structure is arranged on the protruding surface of the barrier main shaft, allowing contacts of the indication switch to achieve greater travel, thereby making barrier-in-position indications more reliable and stable.

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.

A method for the remote activation of railroad crossing signals includes determining a physical location of a client system. The method further includes determining, from a plurality of records of railroad crossing signals, an eligible railroad crossing signal that is within a predetermined distance of the physical location of the client system. The method further includes sending identification information about the eligible railroad crossing signal to the client system. The method further includes receiving, from the client system, an indication of a user selection to activate the eligible railroad crossing signal. The method further includes sending an activation signal to the eligible railroad crossing signal in response to receiving the indication of the user selection to activate the eligible railroad crossing signal.

The utility model discloses shunting operation flat aisle safety protection equipment which comprises a control box and a safety protection mechanism, and the safety protection mechanism is arranged on the control box. The security and protection mechanism comprises a rotating shaft, a connecting frame, a mounting groove, a first screw hole, a first bolt, a supporting plate, a sideboard, a rotating seat, a rotating rod and a ground supporting seat. The supporting plate is provided with a second screw hole, a third screw hole, a bolt groove, a second bolt and a high-strength spring. According to the scheme, a flat aisle with the width of 20-22 m is matched in a double-door mode, a herringbone supporting plate and the like are used for guaranteeing the stability of the structure, the night distinguishing degree is improved through a reflective tape, installation and adjustment are flexible, meanwhile, the linkage control module of the control box is in butt joint with a shunting operation system in a wired or wireless mode, the joint control function is achieved, and the protection problem of the wide flat aisle is effectively solved; and the safety performance and the site adaptability are enhanced.

To provide a technique better than before, for example, an electronic apparatus and the like suitable for detecting occurrence of an event in a movable body.SOLUTION: In an electronic apparatus 12a, an event detection unit 22a detects an event which may occur in a movable body in a situation where the brake of the movable body is operated under a condition that the brake of the movable body can be operated by an operator during the traveling of the movable body and the operation of changing an advancing direction of the movable body is impossible; and an information processing unit 18a performs processing of information about the event detected by the event detection unit 22a while distinguishing the same from information about another event.SELECTED DRAWING: Figure 3

The utility model relates to the technical field of train early warning systems, in particular to an unmanned train crossing early warning system which comprises a train track, the train track is defined to extend in the left-right direction, and the front side and the rear side of the train track are each provided with two retaining walls extending front and back. Telescopic fences extending leftwards and rightwards are arranged on the front side and the rear side of the train track and located between the two retaining walls; position sensors are arranged at the left end and the right end of the train track so as to control the telescopic fence to seal the channel when a train approaches. Laser lamps are further arranged on the front side and the rear side of the train track, and grating sensors are arranged on the laser lamps on one side of the train track; by arranging the telescopic columns on the front side and the rear side of the train track, the possibility that pedestrians and vehicles enter the train track when a train approaches is eliminated, the running safety of the train is improved, opening and closing of the telescopic columns can be automatically controlled through the train due to the arrangement of the position sensors, automatic running of equipment is achieved, and the convenience of equipment operation is improved.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for monitoring vehicles traversing a dedicated roadway that includes an at-grade crossing. In some implementations, a system includes a central server, a gate system, and sensors. The gate system provides access to an at-grade crossing for vehicles. The sensors are positioned in a fixed location relative to a roadway, the roadway including the at-grade crossing. Each sensor can detect vehicles on the roadway. For each vehicle, each sensor can generate sensor data and observational data from the generated sensor data. Each sensor can determine a likelihood that the detected vehicle will approach the at-grade crossing by comparing the likelihood to a threshold. In response, each sensor can transmit data to the gate system that causes the gate system to allow the autonomous vehicle access to the at-grade crossing prior to the autonomous vehicle reaching the gate system.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for allowing vehicles access or egress from a dedicated roadway. In some implementations, a system includes a server, an interface, and sensors. The interface receives data from a railroad system that manages a railroad running parallel to a first roadway. The sensors are positioned in a location relative to the first and second roadway. Each sensor can detect vehicles on the second roadway. For each detected vehicle, each sensor can generate first sensor data based on the detected vehicle and the data received at the interface. Second sensor data can be generated based on activities on the first roadway. Observational data can be generated based on the first and second sensor data. An instruction can be determined to allow the detected vehicle access to the first roadway. The instruction can be transmitted to the detected vehicle.

This patent discloses a railway external environment safety monitoring and early warning device, including a lifting mechanism. A stop bar is fixedly installed at the flipping end of the lifting mechanism. The stop bar is hollow inside. A laser ranging sensor is fixedly installed at the front end of the outer wall of the stop bar, and an audible and visual alarm is fixedly installed at the top of the outer wall of the stop bar. The wiring of the laser ranging sensor and the audible and visual alarm is located inside the stop bar. This patent, through the combination of laser ranging sensor, microcontroller, and audible and visual alarm, can detect the distance between the stop bar and surrounding targets in real time. When the distance is less than a preset safety threshold (i.e., the target enters the danger zone), the microcontroller immediately triggers the audible and visual alarm, actively reminding pedestrians and vehicles to stay away through sound and light. This upgrades from "passive obstruction" to "active early warning," solving the core safety loophole of "no warning when approaching a danger zone."

A crossing gate mechanism (200) includes an electric brushless direct current (BLDC) motor (214) with a sensing device (302), a crossing gate arm (132, 142) operated via the BLDC motor (214), a motor brake coupled to the BLDC motor (214), wherein the motor brake is configured to hold the crossing gate arm (132, 142) in a position, and a controller (300) configured to control the BLDC motor (214), wherein the controller (300) is configured to control the BLDC motor (214) to raise or lower the crossing gate arm (132, 142) in response to a gate control signal, and wherein, when the motor brake fails to hold the crossing gate arm (132, 142) in the position, the controller (300) is configured to control the BLDC motor (214) to hold the crossing gate arm (132, 142) in the position instead of the motor brake.

The utility model provides a rail unattended system, and relates to the field of metallurgical transportation. In the application, the controller is connected with the barrier machine and the alarm device, and is used for controlling the barrier machine to fall down and controlling the alarm device to give an alarm when the rail car travels along the rail so as to stop vehicles on a road from passing through the rail. By the adoption of the technical scheme, when the rail car runs on the rail, the barrier machine can be automatically controlled to fall down so as to stop vehicles on the road from passing through the rail, meanwhile, warning is conducted through the warning device, the danger of the rail is notified in time, workers do not need to conduct road management and control manually, and the accident occurrence probability is reduced.

The present invention relates to a safety barrier (100) for loading bays that comprises two support posts, a left post (110) and a right post (120), that support a transverse closure (130, 131). The safety barrier has a closing / opening system of the type used in sectional doors. Each support post (110, 120) comprises a guide (180, 190) that enables the transverse closure (130, 131) to vertically move from a lower closed position to an upper open position via the actuation of the closing / opening system of the barrier (100).

A train control system includes an alarm start time acquisition unit 205 that acquires an estimated alarm start time that is an estimated time of starting an alarm of a railroad crossing issued when a train passes through the railroad crossing, and a departure time calculation unit 204 that calculates a departure time of the train at a predetermined stop spot depending on the estimated alarm start time that has been acquired. This can provide a train control system and a train control method capable of preventing the alarm from being excessively prolonged while securing an alarm time from restart of the alarm to arrival of the train.

A crossing gate mechanism comprises an electric brushless direct current (BLDC) motor which has at least one internal sensing device that is used as a closed feedback loop to determine a position of the BLDC motor and accurately control a speed of the BLDC motor, a crossing gate arm operated via the BLDC motor and a digital control system configured to control operation of the BLDC motor, wherein the digital control system is configured to provide a motor control signal that results in a soft start motion and a soft stop motion of the crossing gate arm. The BLDC motor is controlled by a state-machine logic stored within a Field-Programmable Gate Array / a central processing unit such that the state-machine logic finely controls an acceleration and a deceleration of the BLDC motor that provides a relatively smooth operation of the crossing gate arm when it reaches both horizontal and vertical positions.

A crossing gate mechanism (300) with a PCB reconfigurable for exit and entrance gate mode, the mechanism including a brake and a brake relay (312) coupled to an electric motor (320), the mechanisms being configured to operate a crossing gate arm of a crossing gate. The mechanism includes a configuration logic circuit (310) connected to the brake relay (312), and a internal power source (316), wherein the configuration logic circuit (310) is configured to operate the brake relay (312) in a entrance gate mode or exit gate mode, wherein the control of the brake relay is inverted in the exit gate mode with respect to the entrance gate mode, and wherein, in the exit mode, the internal power source (316) provides power for operating the brake relay (312).

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.

The embodiment of the utility model discloses an automatic protection device for a level crossing of a maintenance warehouse, which is characterized in that a control module is connected with a safety interlocking monitoring system of a bullet train station and is used for receiving a warehouse entering and exiting signal representing that a vehicle enters and exits the level crossing of the maintenance warehouse; the blocking modules are located on the two sides of a level crossing of the maintenance warehouse, connected with the control module and used for completing rod falling operation according to a first control signal output by the control module, and sensors are arranged on the blocking modules and used for collecting the in-out state of a vehicle and feeding the in-out state back to the control module; the blocking module is further used for completing rod lifting operation according to a second control signal output by the control module; the warning modules are located on the two sides of the level crossing of the maintenance warehouse, connected with the control module and used for sending out first warning information. According to the technical scheme provided by the embodiment of the utility model, physical blocking is realized through the blocking module, and the warning module is used for carrying out acousto-optic warning on an operator, so that the functions of automatic warning and whole-process protection are realized.

A method for the remote activation of railroad crossing signals includes determining a physical location of a client system. The method further includes determining, from a plurality of records of railroad crossing signals, an eligible railroad crossing signal that is within a predetermined distance of the physical location of the client system. The method further includes sending identification information about the eligible railroad crossing signal to the client system. The method further includes receiving, from the client system, an indication of a user selection to activate the eligible railroad crossing signal. The method further includes sending an activation signal to the eligible railroad crossing signal in response to receiving the indication of the user selection to activate the eligible railroad crossing signal.

To provide a technology superior to conventional technology, for example, an electronic device suitable for detecting the occurrence of an event in a mobile object. In the electronic device 12a, an event detection unit 22a detects an event that may have occurred in the moving object when the brakes of the moving object are applied in a state where an operator can brake the moving object while the moving object is traveling but cannot change the direction of travel of the moving object. An information processing unit 18a processes information related to the event detected by the event detection unit 22a, distinguishing it from information related to other events.

Examples described herein provide a computer-implemented method for thermal lockout for a motor of a gate crossing mechanism. The method includes monitoring a motor current across a sense resistor of the motor. The method further includes determining a present thermal capacity unit (TCU) at a time interval based on the motor current across the sense resistor. The method further includes determining whether the motor is at a thermal limit by comparing the present TCU to an expected TCU. The method further includes responsive to determining that the motor is at the thermal limit, causing initiating a hard fault.

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.

The invention relates to a method that can be implemented relatively easily and inexpensively for monitoring a hazard zone (30) of a level crossing (1) which divides a roadway into a first roadway section and a second roadway section. For this purpose, the method according to the invention is carried out such that by means of a first radio module (41a), first radio signals (42a) are emitted in a first detection region (43a) comprising at least one part of the first roadway section; by means of a second radial module (41b), second radio signals (42b) are emitted in a second detection region (43b) comprising at least one part of the second roadway section; and the hazard zone (30) is monitored indirectly using an analysis which is based both on the first emitted radio signals (41a) as well as the second emitted radio signals (41b) and which relates to the detection regions (43a, 43b). The invention additionally relates to a device (40) for monitoring a hazard zone (30) of a level crossing (1).

A train simulator test device is disclosed that is operably coupled to a rail to measure the quiescent impedance of the track circuit and simulate a train by varying the rail inductance over a set period of time. The test device can select the speed, direction, and number of trains to simulate. By applying a variable inductance over the rail, the test device can simulate trains entering and exiting an island at variable speeds. The test device can apply inductance to the rail to simulate two or more trains moving in each direction of the track at the same time, as well as multiple appearances and routes. The train simulator test device can include simulation software to vary the parameters of the train simulation and couple variable inductance over the rail.

A grade crossing control system (400, 600) includes a track circuit with a grade crossing predictor (GCP) system (40), and at least one auxiliary shunting device (420, 430) connected to the rails (20a, 20b) of the railroad track (20), wherein a railroad vehicle travelling on the railroad track (20) causes a change of impedance when entering the track circuit, wherein the at least one auxiliary shunting device (420, 430) detects a presence of the railroad vehicle travelling on the railroad track (20) and generates an auxiliary change of the impedance of the track circuit, and wherein the GCP system (40) generates grade crossing activation signals in response to the change of the impedance or the auxiliary change of the impedance of the track circuit. The auxiliary shunting device is provided to improve reliability in case of poor shunting. In a first implementation the auxiliary shunting device is an additional shunt (428) between rails and within the approaching distance (AL), wherein the shunt is switched on by a separate vehicle detector (422). In a second implementation the termination shunt (SI) is switched off by a vehicle detector (422) before the approaching distance (AL).

The application discloses a kind of crossing signal automation control method and system, the method is first according to the time that AGV normally runs through crossing determines crossing train approach notification time and train approach notification section length;Then set two train approach information collection points in approach section length, set the first approach section information collection point at the entrance of approach notification section, set the second approach section information collection point at the entrance of the emergency braking section of crossing.The application is based on the horizontal transport system and crossing signal system of automatic container terminal railway loading and unloading station, newly sets a set of automatic crossing signal system for each railway crossing, as the subsystem of terminal horizontal transport system VMS, not only enhances the safety control ability of container freight yard automatic horizontal transport system to automatic loading and unloading station traffic, to ensure crossing traffic safety, but also significantly improves the traffic efficiency of road and railway in loading and unloading station.

The utility model discloses a railway crossing fence door remote control device, which relates to the field of railway control, solves the problems of limited remote control effect and lower practicability of the existing control assembly, and adopts the following scheme that the railway crossing fence door remote control device comprises a main cabinet body and a control panel assembly arranged on the inner side of the main cabinet body, one group of output ends are electrically connected to a main scram key and a main on-off key on the cabinet door through wires, the other group of output ends are electrically connected with a control line, the outer end of the control line is fixedly connected with a remote controller located on the outer side of the main cabinet body and the outer side of the auxiliary cabinet body, and the remote controller is also provided with an auxiliary scram key and an auxiliary on-off key; according to the railway crossing fence door remote control device, through the arrangement of the main cabinet body and all structures at the bottom end of the main cabinet body, remote control can be achieved by connecting a control line with a remote controller, and therefore the effect that observation and remote control are conducted at the same time can be achieved, and meanwhile automatic winding of the control line can be achieved through the arrangement of vortex elastic pieces in the cavity of the auxiliary cabinet body.

The invention discloses a railway crossing monitoring control method and system based on data fusion and intelligent decision. The method comprises the following steps: performing parameter initialization and self-inspection; the method comprises the following steps: acquiring multi-source data related to a railway crossing, and analyzing and classifying the acquired data; based on the collected multi-source data, the station yard interlocking state is monitored in real time, and the position, speed and state of a train approaching a crossing are tracked; evaluating the safety state of the crossing area, and detecting the obstacle condition; according to the train approaching condition and the crossing state evaluation result, an early warning signal is generated, and crossing equipment is controlled to execute closing operation; continuously tracking the position of the train when the train passes through the crossing, and confirming that the train completely passes through the crossing area; and after the confirmation is passed, the crossing equipment is controlled to execute opening operation, and passing is recovered. According to the method, the states of the train and the crossing are sensed by fusing multi-source data, and the whole-process closed-loop control of the crossing is automatically completed based on intelligent decision. The traffic efficiency is obviously improved, and the operation cost is reduced.