btm library inspection system based on spectrum analysis technology

Abstract

The BTM library inspection system of the present invention includes a trackside processing center, a receiving unit, a locomotive identification unit, a BTM detection server and a data terminal; the receiving unit and the locomotive identification unit are connected to the trackside processing center and transmit the obtained data to it; the trackside The processing center communicates with the BTM detection server, and sends the measured data to the BTM detection server. The BTM detection server will analyze and judge the data, and push the results to the data terminal; the receiving unit includes The receiving antenna for receiving the radio frequency signal of the BTM antenna, when the train passes by the receiving unit, completes the test of the energy and frequency of the BTM antenna and the measurement of the interference degree of the train environment. The invention has the following technical effects: the BTM warehouse inspection system realizes the test of the BTM antenna, the test of the electromagnetic environment noise of the locomotive, the long-term analysis and statistics of the BTM equipment status and the early warning information.

Description

technical field [0001] The invention relates to the application field of railway signal equipment detection, in particular to a system for quickly and automatically realizing BTM antenna and its interference detection system when locomotives and vehicles enter and leave the warehouse. Background technique [0002] With the development of railway transportation, equipment failure has become a bottleneck affecting the development of railway transportation. Equipment failure not only greatly affects the traffic plan, reduces the transportation efficiency of the railway, but also greatly affects the traffic safety. The transponder message transmission module (BTM) is one of the key equipment of the on-board equipment of the EMU. It is composed of the on-board BTM host and the BTM antenna. It is mainly responsible for decoding the encoded message data in the transponder memory and transmitting it to the The VC (vehicle safety computer) unit in the control system ATP provides bas...

AI Technical Summary

Problems solved by technology

The BTM antenna works in a high temperature and vibration environment for a long time, which will accelerate the aging speed of electronic components, which may cause the resonance point of the BTM antenna to change or the energy emitted to decrease, so the transponder will lose points.

2. BTM antenna installation height changes

Loose antenna fixing screws and worn wheels will reduce the height of the antenna

3. Electromagnetic environmental noise

The current maintenance method has the following problems: 1. BTM antenna radiation is harmful to the health of maintenance personnel, and there is a danger of strong electricity; 2. During the test, the main electrical equipment of the train is turned off, which is very different from the actual operating environment of the train; 3. Lack of testing of train electromagnetic environment noise; 4. Lack of complete testing (energy, frequency) of BTM antennas; 5. Lack of testing of installation height of BTM antennas; 6. Lack of long-term records and statistical analysis of maintenance data , fault warning

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