Color inspection equipment
An inspection device and color technology, applied in the direction of color measurement device, measurement device, color matching, etc., can solve the problems of insufficient reliability, large deviation of inspection results, deviation of inspection results, etc.
Inactive Publication Date: 2008-04-02
SEIREN CO LTD
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Problems solved by technology
In the case of a single-color product, in the color inspection using the inspection device shown in the above-mentioned patent documents or a measuring device such as a photoelectric color meter or a spectrophotometer, the same result as a human visual inspection can be obtained, but in When the blended pattern is divided into multiple colors, there is a large deviation in the inspection results using human visual inspection and existing inspection equipment.
In addition, when unevenness is formed on the surface, the variation in inspection results will become larger
Therefore, in order to improve the reliability of the inspection results of the inspection device, it is conceivable to set a plurality of measurement areas, but the current situation is that sufficient reliability cannot be obtained.
Method used
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[0036] Using the color inspection device with the structure shown in Fig. 1, the color inspection is carried out on the fluffed striped fiber product. As samples, fabrics of five different color tones shown in the photographs of FIGS. 6 to 10 were prepared. As the light source, use the color rendering AAA D 50 A daytime white fluorescent lamp was measured using a spectroradiance meter manufactured by Topcon Corporation (Topcon: SR-3) with a wide-angle lens (focal distance - 150 mm) attached to the front.
[0037] By installing a wide-angle lens, the measurement object area on the surface of the fiber product can be set to a size of 7 cm. Therefore, since the entire color inspection apparatus can be made compact, it can be unitized and the entire apparatus can be easily moved.
[0038] Fiber products used for inspection, as shown in the photo, have a patterned hue on the surface after fluffing, and it is difficult to perform high-precision measurement when it is close to the ...
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The present invention provides a color inspection device capable of accurately judging good or bad to the same extent as when visually observing various fiber products such as napped cloth or blended pattern cloth. The color inspection device (1) irradiates the fiber product (M) placed on the measurement table (3) through the light source (4) and passes through the spectroradiance meter (10) of the measurement part (5) from a direction of 45 degrees. Determination. A wide-angle lens (11) is attached to the spectroradiance meter (10), and the measurement object area is enlarged by the wide-angle lens. The measurement result of the spectroradiance meter (10) is input to the information processing part (12) of the judging part (6), and the color value of the entire measurement object area is calculated and compared with the standard value stored in the storage part (13) to perform Good or bad judgment.
Description
technical field [0001] The present invention relates to a color inspection device for judging whether the surface color of a measuring object such as a fiber product is good or bad, and particularly relates to a color inspection for judging the quality of the dyed state of fiber products such as fluffed cloth or cloth with a blended pattern device. Background technique [0002] In the quality management of fiber products, the quality management of its surface color is one of the important items. How close to the set color or how to set its allowable range is an important point in color management. [0003] Conventionally, such color quality control has been performed visually by skilled inspectors in compliance with the JIS standard (Z 8723). However, in the visual color inspection by inspectors, there is a problem that the judgments of a plurality of inspectors are not uniform or the judgment of the same inspector is biased. [0004] Therefore, in order to cope with such ...
Claims
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IPC IPC(8): G01J3/50
CPCG01J3/0208G01N21/25G01J3/46G01J3/0291G01J3/463G01N33/36G01J3/50
Inventor 海老田孝夫小形宪弘松村真弘田畑惠一郎
Owner SEIREN CO LTD