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Plate-strip surface quality detection system and method

A detection system and surface quality technology, applied in measuring devices, material analysis through optical means, instruments, etc., can solve the problems of low detection efficiency, high precision, fast speed, 100% format detection, and strong subjectivity of manual sampling inspection And other issues

Inactive Publication Date: 2015-05-13
BEIJING C&W ELECTRONICS GRP
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Problems solved by technology

[0003] In the prior art, the method of manual sampling inspection is generally used to detect the surface of the strip. However, due to the limitations of strong subjectivity, inability to achieve comprehensive detection, and low detection efficiency, manual sampling inspection has become increasingly unable to meet the high precision requirements of the modern aluminum strip industry. , fast speed, and 100% format inspection requirements, for timely detection of unqualified products on the high-speed strip production line, resulting in a low product yield rate

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  • Plate-strip surface quality detection system and method
  • Plate-strip surface quality detection system and method
  • Plate-strip surface quality detection system and method

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Embodiment Construction

[0034] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] In this embodiment, a strip surface quality detection system is provided. During application, the monitoring system is connected with the strip production line, and the composition diagram of the detection system is as follows figure 1 As shown, it includes: an imaging device 10, a processing device 20 and a control device 30; the imaging device 10 is used to obtain the optical characteristics of the strip surface in real time on the strip production line to obtain an image of the strip; the processing device 20 is used to extract the strip surface Carry out defect information with the image, process the defect information by packaging and position marking, and obta...

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Abstract

The invention discloses a plate-strip surface quality detection system, the plate-strip surface quality detection system and a plate-strip production line are in on-line running, the plate-strip surface quality detection system is characterized by comprising an image sampling device, a processing device and a control device; the image sampling device is used for real-time acquisition of plate-strip surface optical features from the plate-strip production line to obtain plate-strip images; the processing device is used for extracting plate-strip image defect information, packing the image defect information and processing position tag to obtain defect treatment results; and the control device is used for plate-strip surface quality evaluation according to the defect treatment results. The detection system collects the plate-strip surface optical features on the basis of machine vision technology to obtain the plate-strip images, the treatment results are obtained by feature information extraction and the subsequent processing, the defect is determined according to the treatment results, the missing inspection rate can be reduced, labor cost can be reduced, the normal plate-strip processing may not be affected in the detection process, alarms of unqualified products are issued, the unqualified products are removed, and the detection accuracy and the rate of qualified products can be improved.

Description

technical field [0001] The invention relates to the technical field of machine vision, in particular to a strip surface quality detection system and method. Background technique [0002] During the production process of alloy strips (take aluminum strips as an example), due to factors such as equipment wear, production raw materials, environmental pollution, and process operations, some appearance defects will inevitably occur, such as: roll scratches, crushed / guide rolls Injury, guide roller bag, air channel, double roller printing, sticking roller printing, knife printing, cloud flower color difference, etc. The quality defects on the surface of these strips need to be detected in time, and the strips that do not meet the production requirements should be removed. [0003] In the prior art, the method of manual sampling inspection is generally used to detect the surface of the strip. However, due to the limitations of strong subjectivity, inability to achieve comprehensiv...

Claims

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Application Information

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IPC IPC(8): G01N21/892G01N35/00
Inventor 邹伟金王秀丽王新新许伟丽金博石徐江伟
Owner BEIJING C&W ELECTRONICS GRP
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