Pipeline leakage positioning system and method based on collaborative detection with negative pressure wave and sound wave
A pipeline leakage and collaborative detection technology, which is applied in the pipeline system, mechanical equipment, gas/liquid distribution and storage, etc., can solve the problems of fast attenuation, achieve low cost, reduce false alarm rate, and the effect of simple and easy-to-use positioning method
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[0031] The present invention is described in detail with reference to the drawings and embodiments.
[0032] In this embodiment, the GPS module is selected as GUGSU36; the GPRS module is selected as Q2403A; the acoustic wave sensor is selected as Lance LC0107 series vibration sensor SN3563 with LC0207 constant current source; the pressure sensor is selected as ROSEMOUNT 3051 GP3A2B21AB4M5D1 differential pressure transmitter; The signal processing unit adopts the model TMS 320F2812; the intelligent high-speed real-time data sampling device adopts the intelligent high-speed real-time data sampling device of the invention patent application number 03133458X.
[0033] In this embodiment, the length of the pipeline is 360m, of which 140m from the upper computer of the first station is the simulated leakage position. A sound wave signal is added to detect the lower computer every 90m along the pipeline, so that there is a sound wave signal to detect the lower computer at a distance of 90...
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