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Method of automatically distinguishing band steel running aside in continuous annealing furnace

A continuous annealing furnace and strip deviation technology, applied in the field of image recognition, can solve the problems of no video storage, broken furnace wall, and no time to judge production accidents, so as to reduce video recording space and time, reduce equipment investment, and prevent accidents The effect of further development

Active Publication Date: 2008-07-02
BAOSHAN IRON & STEEL CO LTD +1
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AI Technical Summary

Problems solved by technology

[0002] The strip steel in the continuous annealing furnace runs at high speed, and the strip steel often deviates due to some reason, which affects the stability of the plate. In extreme cases, the strip steel deviates and rubs the furnace wall and breaks, resulting in production accidents
For the analysis of the cause of the accident, the most powerful evidence is the surveillance video before and after the accident, but the current industrial video surveillance system in the continuous annealing furnace only has the function of real-time video recording of the industrial production process, and does not have the function of image analysis, judgment and storage , Operators are required to watch the monitoring screen at any time, so major production accidents are often caused due to the untimely observation or judgment of operators, and the video before and after the accident is not stored, which brings inconvenience to accident analysis

Method used

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  • Method of automatically distinguishing band steel running aside in continuous annealing furnace
  • Method of automatically distinguishing band steel running aside in continuous annealing furnace
  • Method of automatically distinguishing band steel running aside in continuous annealing furnace

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Embodiment Construction

[0018] see figure 1 , The system for automatically identifying the strip deviation in the continuous annealing furnace is composed of an industrial camera 1, a monitor 2, a frequency divider 3, a first industrial computer 4, and a second industrial computer 5. The industrial camera 1 is installed in the continuous annealing furnace, and is used to record the running conditions of the steel strip in the furnace. The monitor 2, the frequency divider 3, the first industrial computer 4 and the second industrial computer 5 are all installed in the control room. The image optical signal captured by the industrial camera is sent to the control room through the signal cable, and then the signal is amplified by a frequency divider 3 with signal amplification function, and then sent to the monitor 2, the first industrial computer 4 and the second industrial computer 5 respectively. The first industrial computer 4 is equipped with an image acquisition card, which is used to convert the ...

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Abstract

The present invention belongs to the field of image identification technology, in particular it relates to an image identification method for identifying running-off strip steel in continuous annealing furnace. Said method includes the following steps: converting the image shot by industrial TV set mounted in the continuous annealing furnace into digital signal, then calculating and sampling the transverse displacement change of image gray median point, utilizing the image median point displacement extent to automatically judge that the strip steel in the continuous annealing furnace is run off or not.

Description

(1) Technical field [0001] The invention relates to image recognition technology, in particular to an image recognition method for steel strip deviation in a continuous annealing furnace. (2) Background technology [0002] The strip steel in the continuous annealing furnace runs at high speed, and the strip steel runs off for some reason, which affects the stability of the plate. In extreme cases, the strip steel runs off and rubs against the furnace wall, causing production accidents. For the analysis of the cause of the accident, the most powerful evidence is the surveillance video before and after the accident, but the current industrial video surveillance system in the continuous annealing furnace only has the function of real-time video recording of the industrial production process, and does not have the function of image analysis, judgment and storage , It is necessary for the operator to check the monitoring screen at any time, so it is often caused by the operator's...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D11/00G06T7/60G01B7/02
Inventor 黄夏兰彭俊宋利明吴彬高祥福荣军陈锐刘锋
Owner BAOSHAN IRON & STEEL CO LTD
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