Intelligent passive rail structure health monitoring system

Abstract

The invention discloses an intelligent passive rail structure health monitoring system, including monitoring sensors and intelligent passive rail monitoring and sensing front ends used for collectingdata of the monitoring sensors, as well as a cloud database used for analyzing the collected rail health data. The monitoring sensors and the intelligent passive rail monitoring and sensing front endsare distributed on a rail. The cloud database reads the ID of the monitoring sensors, temperature values, deflection values and data acquisition time acquired for multiple times in unit time, comparison is made after the maximum deflection value of a train passing through the rail is obtained and aligned, by taking the temperature values as a reference quantity, the installation point position with the deflection value abnormally exceeding a safety threshold value is found out, and the physical position of the corresponding rail is obtained. A passive scheme is adopted, rail vibration mechanical energy is converted into electric energy for power supply at the front ends, cost reduction and unmanned supervision are achieved, wired power supply is not needed, automatic general survey of rail structure health is achieved through monitoring of simple parameters of the rail by the sensors, the hardware cost is reduced, the monitoring efficiency is improved, and comprehensive coverage of the rail is achieved.

Description

technical field [0001] The invention belongs to the technical field of rail health monitoring systems, and in particular relates to an intelligent passive rail structure health monitoring system. Background technique [0002] However, whether it is a large-scale flaw detection vehicle or a hand-push flaw detection trolley, there is a common problem, that is, occupying the railway line. At the same time, it can be found from the information on the Internet that inspection vehicles are expensive, and even the most common inspection car costs tens of thousands of yuan. Therefore, there is a need for a cheap and convenient fixed-installation rail health monitoring system to solve the problems of long time intervals, low efficiency and affecting railway operation in current monitoring methods. [0003] The operating mileage of my country's railways has reached 127,000 kilometers. A large number of rails have been in service under dynamic heavy loads for a long time, and are pron...

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Problems solved by technology

[0007] The purpose of the present invention is to solve the problem that the current rail health monitoring mainly includes two types of guided wave detection and rail detection vehicles, which are expensive and require on-site monitoring by professionals, which consumes a lot of manpower and material resources. The track needs to be occupied during monitoring, and it is difficult to take into account the tracks in remote areas. , the problem that real-time automatic monitoring of all rail coverage areas cannot be realized, and an intelligent passive rail structure health monitoring system is provided

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