Pipe network leakage monitoring method combining leakage probability calculation and recorder monitoring

Abstract

The invention belongs to the field of pipe network leakage monitoring and particularly relates to a pipe network leakage monitoring method combining a leakage probability calculation process and an acoustical signal-based leakage recorder monitoring process. In the invention, a genetic programming process is used to establish a functional relationship between independent variables, such as pipe age, pipe diameter and pipe length, and leakage times, and a pipe network geographic information system (GIS) platform is combined to determine key areas to be monitored; furthermore, the leakage recorder monitoring process is used to clear leakage and position leakage points. The method can greatly improve leakage monitoring efficiency, reduce labor intensity of manual leakage monitoring and improve operation management level of a pipe network. The method is not only suitable for leakage monitoring of urban water supply pipe network, but also the leakage monitoring pipes such as recycled water pipe networks, heat distribution pipe and oil and gas pipes.

Description

technical field [0001] The invention relates to a method for monitoring the leakage of a pipe network, in particular to a method for monitoring the leakage of an urban water supply pipe network. Background technique [0002] The urban water supply network is the "lifeline" of the city, and its safe and stable operation is the prerequisite for ensuring the normal operation of the city. However, in my country and even in the world, the leakage of urban water supply pipe network is very serious. Therefore, efficient leakage monitoring methods are urgently needed. [0003] At present, the most widely used leakage detection method is the audio leakage detection method. In recent years, some cities at home and abroad have used a leakage recorder for monitoring pipeline leakage noise signals for leakage monitoring of water supply pipe networks. This recorder is composed of multiple data recorders and a controller. The recorder is arranged on the pipeline, which can capture and rec...

AI Technical Summary

Problems solved by technology

[0006] The present invention aims at the problems of low monitoring efficiency of water supply pipeline network leakage, high cost of traditional calculation method of leakage probability distribution, difficulty in selection of leakage influencing factors and model formula forms, etc., and provides a calculation method of leakage probability, which can be automatically excavated by genetic programming method. Evaluate the spatial distribution of pipeline leakage probability based on the law followed by historical leakage data, and combine the leakage recorder monitoring method based on sound signals to effectively improve the efficiency of leakage monitoring

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