Underground pipeline leak detection method and system

Abstract

The invention relates to an underground pipeline leak detection method and system, and belongs to the technical field of urban pipe network monitoring. The technical scheme of the method is as follows: a dispenser (12) is arranged at the rear end of a cellar well valve of an initial point cellar well of an underground pipe network (3) needing to be detected; a recoverer (13) is arranged at the front end of a cellar well valve of an end point cellar well; the dispenser (12) and the recoverer (13) are arranged at the inlet and outlet of a balance weight ball (1) in the underground pipe network (3); a sound sensor (7) in the balance weight ball detects a sound signal in the underground pipe network; a travel sensor (8) detects the stroke of the balance weight ball; a multiaxis gyroscope (9) detects a pipeline orientation signal; a storage transmission module (10) stores the signal, and transmits the signal to an upper computer in which sound analysis software is installed via a remote cellar well monitor. According to the method and system provided by the invention, the various kinds of signals of the underground pipe network are accurately collected, when the urban underground pipe network leaks, the leak position and the leak degree of the underground pipe network are accurately detected, and the accurate information is provided for repairing the pipe network.

Description

technical field [0001] The invention relates to an underground pipeline leakage detection method and system, belonging to the technical field of urban pipeline network monitoring. Background technique [0002] At present, urban underground pipe network is an important public facility, including urban water pipe network, heat pipe network, sewage pipe network, gas pipe network, etc., and underground pipe leak detection has always been an important issue that plagues urban management. A large number of underground water pipe networks and heating pipe networks, after a period of operation, these underground pipe networks will leak water, and a large amount of water loss in the pipe network will not only cause waste of water resources, but also may cause collapse accidents, affecting the lives of urban people. Since the construction time and distribution of these underground pipe networks are very complicated, and they are located underground, it is very difficult to detect wate...

AI Technical Summary

Problems solved by technology

Since the construction time and distribution of these underground pipe networks are very complicated, and they are located underground, it is very difficult to detect water leakage in the pipe network. Whether there is leakage in the underground pipe network at the location, because the sound heard is transmitted through the ground and there is noise interference around, the accuracy is difficult to guarantee

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