Portable ECT system with image correction function

A portable, image technology, used in image enhancement, image data processing, character and pattern recognition, etc., can solve the problems of high measurement accuracy, time delay, serious nonlinearity, etc., achieve accurate image generation, reduce storage space, and more. The effect of optimizing the space

Active Publication Date: 2022-01-21
XI AN JIAOTONG UNIV
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Problems solved by technology

However, the measurement strategies described above suffer from time delays and the inability to distinguish between individual wells in the field
The natural gas industry urgently needs to measure the water content of each gas well online, however, there are two key factors that limit the feasibility of measuring each well individually: one is that the instruments that meet the needs of field measurement are too expensive to monitor individually ( e.g. Coriolis mass flow meters); another is that these instruments typically fail over a wide range of operating conditions (e.g. differential pressure flow meters) due to their high measurement accuracy and the risk of pipe blockage
[0004] In addition, for the measurement technology of the electrical method, due to the "soft field" characteristics (that is, nonl

Method used

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  • Portable ECT system with image correction function
  • Portable ECT system with image correction function
  • Portable ECT system with image correction function

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[0041] The present invention will be further described in detail below with reference to the accompanying drawings.

[0042] refer to figure 1 The integral structure of the sensor consists of two semi-circular columnar structures, including the inner wall of the conduit, the sensitive electrode array, and its lead line, an insulating housing, and the insulating casing, 2 is a sensor skeleton, two of each semicircular skeleton. The bolt hole 3 is used to place the roller one end of the fixed screw. When using, two semi-cylindrical sensors are wrapped in the pipeline to be tested. figure 2 The fixed bolts shown are secured to the pipe, the roller of the bolt contacts the surface of the conduit to be tested so as to scroll at the measurement, and the sensor moves. The sensor lead line adopts signal line, and the lead joint is a SMA connector. The local display system will display images of the sensor detected the distribution of the pipe inner field distribution of the sensor.

[004...

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Abstract

The invention discloses a portable ECT (Electronic Computed Tomography) system with an image correction function. The portable ECT system comprises a detachable ECT sensor module used for being mounted on a pipeline to be detected, a data acquisition unit is connected behind the ECT sensor system, the data acquisition unit is used for primarily processing acquired data by a data processing and correction module, and the image is further corrected according to the sensitivity provided by a cloud platform sensitivity online computing server connected with the 5G communication module or a local sensitivity database memory, and the corrected image is displayed by a local image display system. According to the invention, the nonlinear problem and the portable application problem of the electrical tomography technology can be effectively improved, and effective phase flow pattern measurement can be carried out on pipelines within a certain range.

Description

technical field [0001] The invention belongs to the technical field of instruments and meters, and in particular relates to a portable ECT (electrical capacitance tomography) system with an image correction function. Background technique [0002] At present, in the measurement of multiphase flow parameters, gas-liquid (water) as the most typical and widespread two-phase flow is the basis of multiphase flow research. The problem of image reconstruction and phase separation holdup measurement in two-phase flow is the basis of flow pattern identification, flow (volume flow, mass flow) and other parameters measurement, and is also an important parameter of industrial process control. [0003] The medium in the natural gas transmission pipeline is a typical gas-liquid (water) two-phase flow. When natural gas is extracted from the formation, water is often mixed in the pipeline, and this situation is more obvious in the later stage of exploitation and in some areas with high wate...

Claims

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Application Information

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IPC IPC(8): G01N27/22G06T5/00G06K9/62G06V10/764
CPCG01N27/22G06T5/001G06F18/2411
Inventor 单宇杰胡红利唐凯豪黄敬轩李林
Owner XI AN JIAOTONG UNIV
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