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On-line automatic detection method for foreign matters in transparent bottled liquid products

A bottled liquid, automatic detection technology, applied in the direction of measuring devices, optical testing flaws/defects, material analysis through optical means, etc., can solve problems such as unfavorable image processing, difficult image acquisition, detection of foreign objects, etc., to improve the detection effect of foreign objects , Improving the quality of information collection and the effect of improving the quality of image collection

Active Publication Date: 2019-01-01
CHENGDU HONGRUI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, according to the different positions of foreign objects detected in the bottle, foreign object detection is usually divided into floating object detection, suspended object detection and deposited foreign object detection; and the detection of foreign objects in different positions is currently difficult to use due to differences in imaging effects A single detection method detects foreign matter in different positions inside the bottle
[0005] In addition, in the existing automatic detection process, due to the limitation of the attitude of the bottle body during the conveying process, usually the bottle body is conveyed along the conveying line in a vertical posture position during the conveying process, that is, the head of the bottle body On the top and bottom on the bottom, the axis of the bottle is conveyed in a vertical state; the image acquisition direction of the detection bottle is mainly from the horizontal direction or the side direction inclined up and down, so it is generally difficult to acquire images of the liquid surface , making it difficult to detect floating objects on the liquid surface
[0006] In addition, since the head and bottom of the bottle product are usually uneven or irregular in structure, the imaging image will be greatly distorted when the image is collected from the head, bottom or side of the bottle. , which is not conducive to image processing and effective detection of foreign matter; especially for foreign matter deposited at the bottom of the bottle, usually only dynamic tracking detection method can be used for detection

Method used

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  • On-line automatic detection method for foreign matters in transparent bottled liquid products
  • On-line automatic detection method for foreign matters in transparent bottled liquid products
  • On-line automatic detection method for foreign matters in transparent bottled liquid products

Examples

Experimental program
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Effect test

specific Embodiment 1

[0099] Specific embodiment 1, corresponding to attached Figure 17

[0100] The bottle body 3 rolls over from the initial attitude position and passes through the horizontal attitude position, and then continues to roll over in the same direction by a certain angle α, where α takes a value of 30°. From the process of the bottle body 3 passing through the horizontal posture position and continuing to roll over the angle α, the image information corresponding to the bottle body is collected. Since the bottle body 3 rollover exceeds the horizontal posture position at this time, the deposited foreign matter at the bottom of the bottle body at this time will be Move along the bottom of the inclined bottle body; in this way, by collecting image information in the process, the deposited foreign matter in the moving process can be collected more effectively, so by collecting and processing the image information, it can improve the accuracy of the bottom of the bottle body. The detect...

specific Embodiment 2

[0101] Specific embodiment 2, corresponding to attached Figure 18

[0102]The bottle body 3 rolls over from the initial posture position to the horizontal posture position, and then the bottle body 3 is transported along the conveying line for a certain distance in a horizontal posture; the image of the bottle body 3 is collected during the process of conveying the bottle body 3 along the conveying line in a horizontal posture information; image processing is performed on the image information, and then it is judged whether there is a foreign object in the bottle body 3 . Because the bottle body 3 rolls over to the horizontal posture position, the state corresponding to the horizontal posture position of the bottle body 3 is very conducive to the collection of image information from the side of the bottle body, and at this time, the liquid level in the bottle also just corresponds to the body of the bottle, so The image information collected in this state can more effectivel...

specific Embodiment 3

[0103] Specific embodiment 3, corresponding to the attached Figure 19

[0104] The bottle body 3 rolls over from the initial posture position, passes through the horizontal posture position and continues to roll over in the same direction for a certain angle α, then reverses the bottle body 3 to the horizontal posture position, and then transports the bottle body 3 along the conveyor line for a certain distance in a horizontal posture ; In the process of conveying the bottle body 3 along the conveying line in a horizontal posture, the image information of the bottle body 3 is collected; wherein the value of α is 30°. After turning over the bottle body 3 beyond the horizontal posture position, it returns to the horizontal posture position. Collecting image information improves the image information collection quality of deposited foreign matter, thereby improving the detection effect of this type of foreign matter.

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Abstract

The invention discloses an on-line automatic detection method for foreign matters in transparent bottled liquid products, which belongs to the technical field of the detection of the foreign matters in the bottled liquid products. According to the on-line automatic detection method for the foreign matters in the transparent bottled liquid products disclosed by the invention, as bottles are conveyed on line along a conveyer line, the bottles are rolled over, so that the bottles are rolled over from an initial posture to a horizontal posture, the bottles are then conveyed with the horizontal posture for a certain distance along the conveyer line, and as the bottles are conveyed with the horizontal posture along the conveyer line, the image information of the bottles is acquired; image processing is carried out for the image information, and whether the foreign matters exist in the bottles is then judged. The on-line automatic detection method for the foreign matters in the transparent bottled liquid products can increase the effectiveness and specificity of acquired image information, and thereby the detection effect is enhanced; and in addition, the on-line automatic detection method for the foreign matters in the transparent bottled liquid products can be used for not only static detection but also dynamic tracking and detection.

Description

technical field [0001] The invention relates to the technical field of detection of foreign objects in bottled liquid products, in particular to an online automatic detection method for foreign objects in transparent bottled liquid products. Background technique [0002] In the production process of bottled products, such as bottled wine products, foreign matter detection is generally required to ensure that there are no foreign matter in the product during the production process. At present, the detection of foreign matter in transparent bottled liquid products is divided into manual detection and automatic detection; among them, automatic detection is mainly divided into static detection and dynamic tracking detection; both static detection and dynamic tracking detection need to collect corresponding image information, and then After the image information is processed by the corresponding algorithm, it is judged whether there is a foreign object in the bottle according to ...

Claims

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Application Information

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IPC IPC(8): G01N21/90
CPCG01N21/9009
Inventor 李明飞万维根王素榕
Owner CHENGDU HONGRUI TECH
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