Outdoor track circuit integrated monitoring system and method

Abstract

The invention discloses a track circuit signal collecting system, which comprises a track circuit signal collecting unit, an A / D (analog to digital) conversion module, a DMA (direct memory access) transmission module, a frequency shift demodulation module, a memory, a data transmission module and a data processing module, wherein data address inquiry signal work partitions in circuit work state detection signals are respectively detected out through the data processing module, so whether the states of the work partitions have faults or not is judged. A detection system provided by the invention can be used for monitoring whether railway signals and railway equipment are normal or not in real time. Through collecting data such as current in cables and steel-clad copper wires on a railway, rail surface and cable voltage, and temperature and humidity of railway equipment, the operation state of each partition of the railway can be mastered at any time, the work state of each partition is qualitatively analyzed, and the possibly generated faults can be eliminated in advance. When the faults occur, the faults can be positioned in specific intervals and equipment according to monitoring signals, and great convenience is brought for fault elimination.

Description

technical field [0001] The invention relates to the field of electrical monitoring of railway track circuits, in particular to a track circuit signal acquisition system and method. Background technique [0002] The track circuit is a circuit composed of rails of a section of railway line as a conductor. It is used to automatically and continuously detect whether this section of the line is occupied by rolling stock, and is also used to control signal devices or switch devices to ensure driving safety equipment. The circuit composed of the rails of the railway line as a conductor to check whether there are trains, transmit train occupancy information, and realize the transmission of information between the ground and the train is called a track circuit. In the daily maintenance of railway signals, the detection and adjustment of the electrical characteristics of the track circuit to ensure the normal operation of the track circuit is the basic condition for ensuring traffic s...

AI Technical Summary

Problems solved by technology

At present, the detection of track circuits cannot automatically and accurately predict and judge the faults of railway track circuits in the actual state, so it is impossible to provide effective preventive measures and repairs to maintenance personnel in time, which brings safety hazards to railway operations

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