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Study on Crude Oil Transport Pipeline Leakage Detection and Location System Based on Internet Technique

Author: OuYangQunZuo
Tutor: ZengZhouMo
School: Tianjin University
Course: Precision instruments and machinery
Keywords: Pipeline Leak Detect Locate Embedded Systems Internet Virtual instrument
CLC: TE973.6
Type: Master's thesis
Year: 2005
Downloads: 211
Quote: 4
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Abstract


The pipeline transport in the national economy, Chiang Kai-shek to play an increasingly important role, maintaining the safe operation of the pipeline, to prevent the occurrence of pipeline accidents in production has become an extremely important work of the pipeline of industrial production and management departments. Spill as pipeline accidents most often occur in the event, not only caused a lot of material damage, leaking toxic chemicals also cause environmental pollution, may be more serious personal injury caused by very serious consequences. Pipeline leak detection in many fields, interdisciplinary research project involving multiple disciplines to the pipeline fluid mechanics, thermodynamics, sensor technology, the weak signal detection, signal processing, computer science and modern communications technology. This article in the original pipeline leak monitoring and positioning system based on the embedded technology and Internet technology, to build the embedded Internet crude oil pipeline leak monitoring and positioning system, completed work are: 1, based on the design of embedded technology and Internet technology crude oil pipeline leak monitoring and positioning system, the original system has been improved, making the system design greatly reduce the cost and improve the reliability of the system. 2, specific design and implementation of the 8-bit microcontroller as the main remote data acquisition system. The three parts of the remote data acquisition system includes a signal conditioning module, a central processing unit and a remote communication interface, the installation of the pipeline along the respective intermediate station, collecting pipes running parameters in real time. Signal conditioning modules were collected from the scene of the pipeline pressure, temperature and flow rate signal and pretreatment. According to the different characteristics of the various types of signals, the processing program and the realization of measures to facilitate the extraction of the relevant parameters and important feature of the desired signal, for subsequent pipeline leak detection work to make the necessary preparations. The central processing unit selection Cygnal8051F020 as the central processor, the the various field pretreated signal A / D converter, and supports embedded Internet-based remote data interaction. Also the interactive features of the keyboard controls and LCD display control, in order to facilitate the use of the site. 3, the concrete realization of a remote data interactive interface design of embedded Internet pipeline leak detection system. According to the RTL8019AS the basic principles and workflow, discussion embedded TCP / IP protocol concrete implementation and user protocol design and implementation, and use of analog data acquisition environment and field data interaction process to verify the reliability of the system. 4, based on the virtual instrument LabVIEW platform, to build a the embedded Internet pipeline leak detection system. Using transmitted to the central system pressure, flow, temperature, and other data from various remote data acquisition system, based on the principle of negative pressure wave, real-time monitoring of the health of the pipeline spill in a timely manner to make the right judgments and precise positioning.

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CLC: > Industrial Technology > Oil and gas industry > Oil machinery and equipment and automation > Oil and gas storage and transportation machinery and equipment > Oil and gas pipelines > Pipeline inspection
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