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Light source configuration method for online detecting system of stip cigarette packing quality

A detection system and configuration method technology, applied in the direction of optical testing flaws/defects, etc., can solve problems such as difficult identification and processing, high difficulty in realization, and reflection of oil seal paper, so as to achieve the effect of eliminating reflection, convenient identification and processing, and reducing impact

Inactive Publication Date: 2007-06-27
YUNNAN KUNMING SHIPBUILDING DESIGN & RESEARCH INSTITUTE
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Problems solved by technology

This is not only difficult to realize, but also from the obtained image, there are still problems such as serious reflection of oil seal paper, poor contrast, and difficulty in identification and processing.

Method used

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  • Light source configuration method for online detecting system of stip cigarette packing quality
  • Light source configuration method for online detecting system of stip cigarette packing quality

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Embodiment Construction

[0014] As shown in Figure 1, the present invention uses high-brightness LED strip light as the lighting source, and the LED light source is composed of LED particles of the same color or different colors arranged regularly, and the lighting method is shown in Figure 2, using low-angle parallel light, that is The included angle θ between the light emitted by the light sources 11 and 12 and the irradiated surface 14 of the cigarette 13 is less than 15°. Monochromatic light source or mixed color light source can be used. Monochromatic light source means that all LED particles in one light source are of the same color and size. Such LED light source emits light evenly, which can meet the requirement of emitting parallel light and is low-angle Parallel lighting provides the prerequisites. Mixed color light source refers to the LED light source in a certain row or several rows and a certain column or several columns of different colors of LED combination or interphase composition, a...

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Abstract

High-luminance LED bar shaped light is as illuminated light sources. LED light sources are composed of regular arranged LED grains in same color or in different colors. Illumination mode in parallel light with small angle is adopted in the invention, that is to say included angle between light beam from light source and irradiated surface of cigarette package is less than 15 degrees. The invention eliminates reflected light from transparent plastic film on surface of cigarette package, and reduces influence on image caused by color change of cigarette package so as to raise image quality taken by camera, and raise detecting accuracy.

Description

technical field [0001] The invention belongs to the technical field of product packaging detection, and in particular relates to a method for configuring a light source in an on-line inspection system for the quality of cigarette packaging. Background technique [0002] With the development and progress of society, product packaging has received more and more attention as an important part of product quality, especially the appearance and packaging quality of cigarette products. On the wrapping production line, it is necessary to carry out real-time inspection on the appearance quality of the carton packaging, and promptly find and remove cartons with defects in appearance, such as cracked transparent plastic film, exposed inner packaging, wrinkled cellophane, poorly bonded joints, no Gold wires, wrong teeth, etc. At present, most enterprises still mainly use manual methods to test before packing, which is not only time-consuming and laborious, but also the picking rate of ...

Claims

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Application Information

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IPC IPC(8): G01N21/89
Inventor 许永明张勇冯洪涛丁锐张云龚利昌肖渝杨松游玲蒋明民唐向阳卯寅
Owner YUNNAN KUNMING SHIPBUILDING DESIGN & RESEARCH INSTITUTE
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