Tobacco processing resistance detection and characterization method based on image method

A process-resistant and image-based technology, which is applied in the field of image-based processability detection and characterization of cut tobacco, can solve problems such as difficulty in sampling and affecting the processing process of cut tobacco.

Active Publication Date: 2021-09-14
ZHENGZHOU TOBACCO RES INST OF CNTC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are some problems in the method of reflecting the processing resistance of shredded tobacco by using the change rate of shredded ratio: first, the degree of fragmentation of shredded tobacco with large differences in shredded tobacco structure cannot be expressed by the change of shredded shredded ratio; The operation process is greatly affected by human factors; the third is that sampling is difficult, which affects the tobacco processing process
At present, no one has used machine vision to quickly and conveniently measure the morphological changes and characteristic dimensions of the same batch of shredded tobacco before and after processing, and then judge the processing resistance of shredded tobacco

Method used

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  • Tobacco processing resistance detection and characterization method based on image method
  • Tobacco processing resistance detection and characterization method based on image method
  • Tobacco processing resistance detection and characterization method based on image method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] The same batch of shredded tobacco samples, from which 200g was sampled, was divided into 10 groups of 10g by quartering method after the shredded tobacco was balanced in moisture; Tobacco sample, and sample 200g from the medium, after the tobacco moisture balance, the sampled tobacco is divided into 10 groups with 10g in each group. Using the above-mentioned characterization method for the processing resistance of shredded tobacco, remove shredded tobacco whose width is less than 0.6 mm and whose length range is greater than the number average length ± 3б, and calculate the number average length L of each batch of shredded tobacco samples before air delivery 0a , Number average length L after air blowing 0b , Tobacco processing resistance shown in Table 1.

[0066] Table 1 Characterization results of processing resistance of shredded tobacco in air conveying process

[0067]

[0068] Also for this batch of shredded tobacco, sample 200g from it, after the shredded ...

Embodiment 2

[0073] The same batch of shredded tobacco samples, from which 200g is sampled, after the moisture balance of the shredded tobacco, divide the shredded tobacco into 10 groups, each group 15g; Sample, and sample 200g from the middle sample, cut tobacco is divided into 10 groups by quartering method after cutting tobacco moisture balance, each group is 15g. Using the above-mentioned characterization method for the processing resistance of shredded tobacco, cut shredded tobacco whose width is less than 0.6 mm and whose length range is greater than the number average length ± 3б is excluded, and the average length L of shredded tobacco before drum drying of each batch of samples is counted 0c 、Number-average length after drum drying L 0d , Tobacco processing resistance is shown in Table 3.

[0074] Table 3 Characterization results of processing resistance of shredded tobacco in air delivery process

[0075]

[0076] Also for this batch of shredded tobacco, sample 200g from it,...

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Abstract

An image-based detection and characterization method for the processing resistance of shredded tobacco, using machine vision to measure the number-average length of shredded tobacco, which can be used for the detection and characterization of shredded tobacco’s processing resistance in the two processes of air blowing and drum drying respectively. , The change of the number average length before and after the drum drying process is used to characterize the processing resistance of cut tobacco. The advantages of the present invention are: a) the characterization method provided can intuitively reflect the processing resistance of shredded tobacco; b) the method of measuring the characteristic size of shredded tobacco with an image method is efficient, convenient and accurate. This characterization method for the processing resistance of shredded tobacco is simple and easy to calculate, and can more clearly reflect the degree of crushing of shredded tobacco after being blown by air, drum processing, etc., thus reflecting the processing resistance of shredded tobacco: the ratio of the number-average length of shredded tobacco before and after the process S represents the processing resistance of shredded tobacco. The closer S is to 1, the smaller the degree of crushing of shredded tobacco after processing, and the stronger the processing resistance of shredded tobacco; similarly, the smaller S is than 1, the worse the processing resistance of shredded tobacco.

Description

technical field [0001] The invention belongs to the field of tobacco processing, and in particular relates to an image-based method for detecting and characterizing the processing resistance of shredded tobacco. Background technique [0002] Shredded tobacco is the main component of cigarettes. The processing of shredded tobacco for finished cigarettes mainly includes steps such as shredding, screening, heating and humidifying, drying shredded leaves, blending shredded shreds and matching shreds. In the production and processing of tobacco products, the size distribution of shredded tobacco is the focus of the physical quality control of in-process products in the cigarette process. Shredded tobacco is crushed to varying degrees during the processing process, and shredded tobacco directly affects the structure of shredded tobacco and thus affects the physical quality of cigarettes, such as It causes the amount of shredded wire at the end and the increase of the short rate ("...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/84
Inventor 朱文魁谢圣林堵劲松郭高飞李旭陈良元刘朝贤刘斌丁美宙李春光
Owner ZHENGZHOU TOBACCO RES INST OF CNTC
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