APPARATUS FOR NOTIFICATION OF MAINTENANCE TEAMS ON APPROACHING TRAIN

摘要

FIELD: radio engineering, communication.SUBSTANCE: apparatus comprises a fleet communication unit whose output is connected to a loudspeaker notification line with floor-mounted loudspeakers, and a notification unit. The fleet communication unit includes a control module, a monitoring and notification transmission former, a power supply module and a signal amplifier. The notification unit comprises a microphone, a module for detecting a missing monitoring signal, a power supply module, a power amplifier, a loudspeaker, a voltage converter, an optical indication module and monitoring and notification channels. Each of the channels includes a filter, a signal amplifier, a time relay, a signal extractor and a corresponding tone signal generator.EFFECT: safer trackwork at railway yards.1 dwg