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Method and device for detecting silk screen lines

A line and silk screen technology, applied in the detection field, can solve problems such as inaccurate detection results, and achieve the effect of improving accuracy and automatic, fast and accurate detection

Active Publication Date: 2021-02-26
ZHUHAI GREE INTELLIGENT EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a method and device for detecting silk screen lines, to at least solve the problem in the prior art that due to the small size of the silk screen lines, the method of using a caliper to detect whether the silk screen lines are defective will lead to inaccurate detection results. question

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  • Method and device for detecting silk screen lines
  • Method and device for detecting silk screen lines
  • Method and device for detecting silk screen lines

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Embodiment Construction

[0033] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0034] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a method and a device for detecting silk screen lines. Wherein, the method includes: extracting the silk screen lines to be detected from the panel area on the product image; using different corrosion kernel values ​​to corrode the silk screen lines to be detected to obtain the silk screen lines after the corrosion processing; The number of silk screen lines after the corrosion treatment is used to determine whether there are defects in the silk screen lines to be detected, wherein the defects include at least one of the following: defects and burrs. The size is small, so using a caliper to detect whether the silk screen line is defective will lead to technical problems such as inaccurate detection results.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to a method and device for detecting silk screen lines. Background technique [0002] At present, in the detection field, visual detection is the main method for detecting unclosed line burrs or defects. Usually, the detection methods used by enterprises are: (1) extracting the edge area of ​​the line; (2) planning a path for this area; (3) Take a point every other distance on this path as the measuring point of the caliper; (4) Use the caliper tool to measure the width of the line; (5) Measure the defect of each part of the line along this path for one week . This method has the following disadvantages for the detection of some unclosed lines with a width of less than 0.2mm: ①There is a risk of misjudgment. Taking the screen printing line on the panel of the handheld device as an example, a commonly used 5 million-pixel industrial camera is used for detection. The width is only...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/95G01N1/32
CPCG01N1/32G01N21/8851G01N21/95G01N2021/8887
Inventor 吴崇龙宋明岑
Owner ZHUHAI GREE INTELLIGENT EQUIP CO LTD