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Pipeline pressure real-time monitoring device

A pipeline pressure, real-time monitoring technology, applied in the direction of using electric/magnetic devices to transmit sensing components, etc., can solve the problem of not finding the same or similar literature reports, etc., to achieve strong interference suppression ability, high sensitivity, and low zero drift Effect

Inactive Publication Date: 2012-05-23
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] After searching the existing technical literature, no literature reports identical or similar to the subject of the present invention are found

Method used

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  • Pipeline pressure real-time monitoring device

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Embodiment Construction

[0019] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0020] to combine figure 1 , The present invention includes a microprocessor MSP430F149-U1, a data acquisition unit-U2, a calendar clock unit-U3, a data storage unit-U4, an input and output unit-U5, and a signal transmission unit-U6.

[0021] Use high-precision differential pressure sensors, flow sensors, and temperature sensors to monitor the pressure, flow, and temperature of crude oil pipelines. Among them, the pressure of crude oil pipelines is the main monitoring object. With the hybrid MSP430F149 microprocessor U1 with a simplified instruction set and ultra-low power consumption as the core, it coordinates multi-sensor signal gating, exchanges data with the calendar clock unit U3, data storage unit U4, and input and output unit U5, and controls data acquisition The timing and reading and writing status of unit U2, and transmit the collected data through sig...

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Abstract

The invention provides a pipeline pressure real-time monitoring device. The current signals of a pipeline pressure sensor, a flow sensor and a temperature sensor are adjusted to the voltage signals via a signal adjusting circuit. The voltage signals pass through a multi-access electronic switch and a sampling maintaining circuit and are converted by an A / D conversion circuit. A microprocessor collects the digital signals periodically as well as records and stores calendar time information, flow information and temperature information completely in an EEPROM (Electrically Erasable Programable Read-Only Memory) and then transmits the data in the EEPROM through level conversation and communication network by a UART (Universal Asynchronous Receier / Transmitter) module to a host computer or a remote monitoring centre in real time. The invention solves the problems that data collection of the traditional pipeline leakage monitoring system has low resolution, low reliability and poor robustness and has the characteristics of small amount of construction, low cost and convenient installation and maintenance on the premise that the precision and the real-time pressure signal collection are satisfied.

Description

technical field [0001] The invention relates to a pressure monitoring device, in particular to a real-time monitoring device for crude oil pipeline pressure. Background technique [0002] Because pipeline transportation has the advantages of low cost, energy saving, high safety and stable supply, pipeline transportation has developed rapidly all over the world and has become an indispensable part of modern society. However, due to long-term wear and tear, natural aging of equipment, changes in geography and climate, and man-made damage, leakage failures occur from time to time, which poses a huge potential threat to people's lives, property and living environment. Cause serious waste of resources. In order to reduce losses and reduce the harm of pipeline accidents, it is necessary to detect the accident immediately after the accident, and to be able to indicate the location of the leakage. Therefore, it is of great practical significance to locate the pipeline leakage poin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D5/14
Inventor 傅荟璇于占东王宇超李冰杜春洋
Owner HARBIN ENG UNIV
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