基于三角测量的卷烟包装密封度无损检测方法  

Nondestructive testing method of cigarette packaging sealing based on triangulation

作　　者：徐永敏 白鹏翔[1] 吴主峰 雷冬[1] XU Yong-min;BAI Peng-xiang;WU Zhu-feng;LEI Dong(Hehai University,Nanjing,Jiangsu 210019,China;Nanjing Dashu Intelligent Technology Co.,Ltd.,Nanjing,Jiangsu 211103,China)

机构地区：[1]河海大学,江苏南京210019 [2]南京大树智能科技股份有限公司,江苏南京211103

出　　处：《食品与机械》2022年第3期118-124,共7页Food and Machinery

基　　金：中央高校基本科研业务费专项资金资助(编号:B210205019)。

摘　　要：目的:解决现有卷烟包装密封度检测过程中出现的耗时长、破坏样品等问题。方法:将卷烟包装放置于密封负压环境中,利用三角测量原理检测卷烟包装在负压作用下体积变化情况,结合流体分析,研究卷烟包装体积变化与密封度之间关系。结果:泄漏孔直径在0.2~0.8 mm时,泄露孔直径与卷烟包装最大离面位移的偏差以及泄漏孔直径与卷烟包装最大离面位移增长率保持特定值时间的偏差呈逐渐减小的趋势,根据泄漏孔直径的不同,能够清晰分辨出差距;在0.4~0.8 mm时,经过3~7 s的检测则能根据变形快速获取泄漏孔直径,且最大离面位移与泄漏孔直径之间相关系数超过0.9,存在强相关性。经测试验证,该方法检测出合格品的准确度为88.1%。结论:基于三角测量原理的卷烟包装密封度无损检测方法可实现快速无损卷烟密封度的检测。Objective:To solve the problems of consuming time and destroying samples in the process of detecting the sealing degree of cigarette packaging.Methods:A nondestructive testing method for sealing degree of cigarette cartridge was proposed based on non-contact deformation measurement technology and dynamic pressure difference.The cigarette package was placed in a sealed negative pressure environment,and the relationship between the maximum out-of-plane displacement and the cigarette cartridge leakage diameter was studied by quantitative analysis of the leakage aperture of the cigarette cartridge during volume expansion.Results:When the diameter of the leakage hole was 0.2~0.8 mm,the deviation between the diameter of the leakage hole and the maximum out-of-plane displacement of the cigarette pack,and the deviation between the diameter of the leakage hole and the maximum out-of-plane displacement of the cigarette pack showed a trend of gradually decreasing.The difference could be clearly distinguished according to the diameter of the leakage hole.At 0.4~0.8 mm,the diameter of the leakage hole can be quickly obtained according to the deformation after 3~7 s of detection,and the correlation coefficient between the maximum out-of-plane displacement and the diameter of the leakage hole is more than 0.9,showing a strong correlation.The accuracy of the method is 88.1%.Conclusion:The new cigarette packaging seal degree of nondestructive testing method is verified to be effective for real-time measurement in the production of cigarette carton industrial packaging.

关 键 词：三角测量 卷烟包装 密封度 无损检测 

分 类 号：TS452.7[农业科学—烟草工业]