7results about "Road traffic warning means" patented technology

In one example, a wayside device monitoring system is provided. The system may include a wayside device and a controller. The wayside device may detect one or more operating parameters of a vehicle in a vehicle system moving over a route segment. The controller can receive information from the wayside device regarding at least the one or more operating parameters detected, and can control movement the vehicle directly or indirectly based at least in part on the received information.

The utility model belongs to railway safety monitoring technical field especially relates to a kind of redundancy formula railway unmanned crossing alarm system, active magnetic steel is respectively installed in the two sides of unmanned crossing, passive magnetic steel is respectively installed in the outside of active magnetic steel, the active magnetic steel and passive magnetic steel are all connected controller, controller connects alarm sounder;The control mainboard in the controller includes two circuits, passive magnetic steel control circuit and active magnetic steel control circuit, the passive magnetic steel control circuit includes passive magnetic steel input J1 and current-limiting resistance R1, passive magnetic steel input J1 connects current-limiting resistance R1, current-limiting resistance R1 connects isolation photocoupler U1, isolation photocoupler U1 connects alarm sounder;Adapter plate is additionally installed on the control mainboard in the controller, to match interface, passive magnetic steel control circuit is connected on adapter plate. Train is detected by active magnetic steel and passive magnetic steel, no matter high speed or low speed of train, low magnetic car body or under extreme weather conditions, alarm system will not occur missed detection.

This invention provides a train approach warning system that can reduce waiting times for pedestrians and drivers at railway crossings. [Solution] The system comprises a server device that holds map information and information about the route, a first mobile terminal that acquires train identification information and its own first location information, and a second mobile terminal that acquires its own second location information. If the server device determines, based on the train identification information, that the first mobile terminal is inside a moving train, it predicts the arrival time of the train at the point based on the first location information, the first speed information which is the speed at which the first mobile terminal is moving, and the information about the route. If, at this arrival time, the second mobile terminal is expected to be within a predetermined distance range from the point based on the map information, the server device notifies the second mobile terminal of an alert.

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 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.

Reduces the processing load on the receiving device. [Solution] Measurement information including measured values ​​of physical quantities is received from two or more level crossing physical quantity measuring devices that measure physical quantities related to the level crossing for each level crossing operation. The measured values ​​received from the two or more level crossing physical quantity measuring devices are stored together as level crossing operation information for each level crossing operation, and the level crossing operation information is transmitted to an external device.

A railroad crossing signal test system includes a power source, a timer device configured to provide periodic electrical pulses, and first and second relays. The first relay can be configured to alternately provide the periodic electrical pulses to a left and right light of the railroad crossing signal. The second relay can be configured to alternately change a polarity of a common connection between the left light and the right light of the railroad crossing signal. The test system also includes a first switch configured to test a bell of 'the railroad crossing signal, a second switch configured to enable flashing o f the left light according to the periodic electrical pulses, and a third switch configured to enable flashing of the right light according to the periodic electrical pulses. The system also includes test leads for electrically coupling the test system to test terminals of the railroad crossing signal