CN110196265A - Method based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette - Google Patents
Method based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette Download PDFInfo
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- CN110196265A CN110196265A CN201910531693.XA CN201910531693A CN110196265A CN 110196265 A CN110196265 A CN 110196265A CN 201910531693 A CN201910531693 A CN 201910531693A CN 110196265 A CN110196265 A CN 110196265A
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- cigarette
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- inner wrap
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- distribution probability
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses the methods based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette, this method is based on aspirating maximum combustion temperature distribution probability by mouth, by randomly selecting several cigarette from certain a batch of cigarette product, aspirated by mouth, measure the maximum combustion temperature of every mouthful of suction of every cigarette, and the maximum combustion temperature of several mouthfuls of suctions of every cigarette is ranked up, the probability that each ranking occurs is calculated, the evaluation with pipe tobacco distributional stability in a batch of cigarette is carried out by this probability.This method can more rapidly, accurately obtain pipe tobacco distribution situation in certain a batch of Cigarette, and then judge the batch quality, solve the problems, such as that pipe tobacco distributing homogeneity is unable to characterize in batch inner wrap strip cigarette in cigarette enterprise.
Description
Technical field
The invention belongs to cigarette quality detection fields, are based particularly on pipe tobacco point in distribution probability evaluation batch inner wrap strip cigarette
The method of cloth stability.
Background technique
The cigarette of each cigar mill in process of production, has all carried out certain regularity to tobacco density in every cigarette
Distribution design.Distribution situation of the pipe tobacco in cigarette represents special suction mouthfeel, the organoleptic quality, flue gas of the brand cigarette
Index etc..The quality maintenance level of each batch cigarette product, then scientifically directly reflect throwing link in cigarette processing process
Uniformity, the stability of cigarette equipment etc., be one of an important factor for influencing cigarette product quality stability.Accurately detect
With evaluate each batch cigarette in pipe tobacco distribution stability, to improving cigarette product quality stability important in inhibiting.
However the cigarette product of current part producing, pipe tobacco distributional stability is poor, leads to batch interior physical index, fume indication wave of cigarette
It is dynamic big, influence the qualification rate of product；The consistent of crowd interior aesthetic quality is influenced, leads to the A class defect of cigarette quality, causes batch not
Qualification even results in the drift of batch inner wrap strip style and features.
In the prior art, quality testing can only be carried out for whether pipe tobacco in each cigarette is evenly distributed mostly.Such as
The patent " a kind of segmented cigarette pipe tobacco distributing homogeneity evaluation method and system " of Patent No. 201811001841.9, in conjunction with
Light cigarette is divided by stabilization device size and cigarette specification to be lighted section, lights changeover portion, interlude, tipping changeover portion, five sections of section of tipping
Segmentation, and each segmentation cigarette and the density criterion deviation of whole Zhi Guangyan are calculated separately, inclined data matrix is marked in building；Recycle entropy weight
TOPSIS method establishes pipe tobacco distributing homogeneity comprehensive evaluation model, calculates the pipe tobacco distributing homogeneity score of each sample cigarette.It should
Whether the density that evaluation method can only evaluate a cigarette is uniform, and to complete by the gross, pipe tobacco is distributed between Cigarette and cigarette
Stability analysis, then cumbersome, complicated, evaluation result is unstable.Certainly also have and evaluated using other image recognition technologys
The method of pipe tobacco distributing homogeneity equally exists problem above.
In another example " pipe tobacco is uniformly mixed the patent of Patent No. 201210324793.3 in a kind of evaluation finished cigarettes cigarette
Property method ", by pipe tobacco tiling shot and be converted to gray level image, utilize maximum kind variance method (Otsu threshold method) meter
Gray level image foreground and background threshold value is calculated, and is divided into multiple sections, calculates the pixel distribution frequency in different sections, is calculated
Correlation coefficient matrix between different cigarette sections, finally calculates uniformity coefficient.This mode will destroy the structure of cigarette, cigarette
Silk tiling is opened, the mode of tiling and the nuance of operation, can all be generated and be significantly affected to evaluation result, can not true performance
Combustion case of the cigarette in suction out, as a result and unstable, error is very big, and reproducibility is not high.
In addition, there are also other conventional methods to evaluate pipe tobacco distributional stability, such as patent 201810425131.2 passes through inspection
The chemical composition content for surveying different pipe tobaccos is judged；Patent 201110319952.6 is by being added expanded cut tobacco as tracer
Judged；Patent 201410408682.X is judged by using microwave moisture density type analyzer measurement density of tobacco rod.This
Whether the density that a little modes can only be evaluated every time in the middle part of a cigarette is uniform, but can not judge steady between each individual of cigarette by the gross
Qualitative, time-consuming, directly can not compare the stability that pipe tobacco is distributed between cigarette and cigarette by a specific data.
Cigarette is by by mouth aspiration procedure, the combustion state of pipe tobacco when the distribution situation of pipe tobacco determines every mouthful of suction,
When also determining the situation of change of maximum combustion temperature when every cigarette is aspirated by mouth, therefore can be aspirated by batch interior sample cigarette by mouth
The stability of the distribution probability evaluating cigarette pipe tobacco distribution of maximum combustion temperature.How based on by mouth suction maximum combustion temperature
Distribution probability, the method for establishing pipe tobacco distributional stability in a kind of scientific and effective evaluating cigarette, then be that this method puts into reality
Difficult point in the application of border.
Summary of the invention
The present invention provides a kind of methods based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette.This
Method can be used for analyzing the consistency of pipe tobacco distribution trend in the same batch difference cigarette of cigarette of the same race, to differentiate Cigarette processing
Stability can provide technical support to study the stability of cigarette smoking quality.During cigarette smoking, the burning temperature of cigarette
Degree changes with the change of tobacco density and tobacco structure, when pipe tobacco distribution changes between cigarette between cigarette
It the variation tendency of ignition temperature and will also change by mouth distribution characteristics.Therefore when this method is aspirated using sample cigarette by mouth
The distribution probability of maximum combustion temperature judges stability that pipe tobacco in same batch Cigarette is distributed, and method is simple, evaluation
Process time-consuming is short, and result precision is high, realizes especially by following technology.
Method based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette, comprising the following steps:
S1, in the case where rolling andpackingequipment is stable, if being randomly selected in total according to fixed or arbitrary time span
Dry winding cigarette；
1~3 cigarette is randomly selected in S2, every winding cigarette, is placed in climatic chamber inner equilibrium 24 hours；
S3, the cigarette after all balances is carried out to aspirate by mouth on effluent smoking machine, the puff number of every cigarette is
X, 3≤x≤7；It is detected using infrared thermal imager and records corresponding maximum combustion temperature when the every mouthful of suction of every cigarette；
S4, the maximum temperature of every mouthful of suction of every cigarette is ranked up, counts all cigarettes in i-th mouthful of suction
The ranking of maximum combustion temperature is the probability P (j of jth namei), 1≤i, j≤x；
The maximum value P for the probability that maximum combustion temperature occurs when every mouthful of S5, selection suctioni, calculate PiArithmetic mean of instantaneous value
P0, as sample maximum combustion temperature distributional stability index, P0The more high then Cigarette of numerical value between pipe tobacco distributional stability
It is higher.
In the S2 of the above method, according to the mode for extracting 2 cigarette, then precision, accuracy and confidence level are best, are adopted
With the mode for extracting 1 cigarette, then result is relatively slightly weak, using 3 cigarettes of extraction, although precision further increases, process mistake
In cumbersome, the waste plenty of time.
Preferably, step S1 specifically: in the case where rolling andpackingequipment is stable, according to the time of every 1~8min
The speed of 1 packet is extracted at interval, randomly selects 15~30 winding cigarettes in total.When extracting, time interval is too short or too long, or extracts
Cigarette quantity it is very few, all evaluation result error can be caused larger, be difficult to really reflect cigarette pipe tobacco distribution stablize
Implementations.
It is highly preferred that step S1 specifically: in the case where rolling andpackingequipment is stable, between the time according to every 3min
Every the speed that extraction 1 is wrapped, 20 winding cigarettes are randomly selected in total.
Preferably, in step S2, every winding cigarette randomly selects 2 cigarette.
It is highly preferred that the temperature of climatic chamber is 22 DEG C, relative humidity 60% in step S2.
Preferably, in step S3, the puff number of every cigarette is 5 mouthfuls.
Compared with prior art, the invention has the beneficial effects that:
1, compared to conventional technology, the evaluation method of pipe tobacco distributional stability provided by the invention can be faster
Speed accurately obtains the pipe tobacco distribution situation of certain a batch of cigarette, and then judges the batch quality；
2, solve the problems, such as that pipe tobacco distributing homogeneity is unable to characterize in batch inner wrap strip cigarette in cigarette enterprise, for evaluation
Stability, the discovery process of entire cigarette processing process improve chance, improve cigarette quality stability and are of great significance.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiment obtained, shall fall within the protection scope of the present invention under the conditions of not making creative work.
It is random in every winding cigarette only to extract 1 cigarette in step S2 in following all examples and comparative example.
Embodiment 1
The evaluation of pipe tobacco distributional stability is carried out to the cigarette of certain batch of the newest improvement technique of certain cigarette board production,
Specific steps are as follows:
S1, in the case where rolling andpackingequipment is stable, randomly select 20 windings in total according to the time interval of 3min
Cigarette；
1 cigarette (having 20 cigarette altogether) is randomly selected in S2, every winding cigarette, is placed in 22 DEG C of temperature, relative humidity
60% climatic chamber inner equilibrium 24 hours；
S3, the cigarette after all balances aspirate by mouth in Borgwaldt KC company LM5 effluent smoking machine, every
The puff number of cigarette is 5 mouthfuls；And the every pump orifice of every cigarette is detected most using MikroSpec RT7500 thermal infrared imager
Combustion temperatures simultaneously record；
S4, the maximum temperature of every mouthful of suction of every cigarette is ranked up, counts all cigarettes in i-th mouthful of suction
The ranking of maximum combustion temperature is the probability P (j of jth namei), 1≤i, j≤5；The highest highest burning temperature of first place, that is, temperature
Degree, the minimum maximum combustion temperature of the 5th entitled temperature.
The maximum Pi that maximum combustion temperature occurs when every mouthful of S5, selection suction, calculates the arithmetic mean of instantaneous value P0 of Pi, as sample
Product maximum combustion temperature distributional stability index.
After testing, highest suction temperatures when every mouthful of suction of this 20 cigarette are as shown in table 1 below.
The cigarette of 1 embodiment 1 of table aspirates highest suction temperatures table by mouth
By the way that every mouthful of maximum temperature of above-mentioned 20 cigarette is carried out ranking, in every cigarette, maximum combustion temperature
Peak is the 1st, and minimum is the 5th, specific ranking results such as the following table 2.
The cigarette of 2 embodiment 1 of table aspirates highest suction temperatures sequencing table by mouth
In conjunction with the sequence of the first to five mouthful of suction of maximum combustion temperature of all cigarette in upper table 2, each order is calculated
The probability of appearance, as a result as shown in table 3 below.
The probability P (ji) of the ranking of the cigarette maximum combustion temperature of 3 embodiment 1 of table
Embodiment 2
The evaluation of pipe tobacco distributional stability is carried out to the cigarette of certain batch using original process of certain cigarette board production,
Specific steps are same as Example 1, and highest suction temperatures when every mouthful of this 20 cigarette suction are as shown in table 4 below:
The cigarette of 4 embodiment 2 of table aspirates highest suction temperatures table by mouth
By the way that every mouthful of maximum temperature of above-mentioned 20 cigarette is carried out ranking, in every cigarette, maximum combustion temperature
Peak is the 1st, and minimum is the 5th, specific ranking results such as the following table 5.
The cigarette of 5 embodiment 2 of table aspirates highest suction temperatures sequencing table by mouth
In conjunction with the sequence of the first to five mouthful of suction of maximum combustion temperature of all cigarette in upper table 5, each order is calculated
The probability of appearance, as a result as shown in table 6 below.
The cigarette of 6 embodiment 2 of table aspirates highest suction temperatures sequencing table by mouth
Comparative example 1
The cigarette for selecting certain cigarette board same as Example 1 to produce carries out the evaluation of pipe tobacco distributional stability, use
Evaluation method is specific as follows:
Q1, in the case where rolling andpackingequipment is stable, randomly select 10 windings in total according to the time interval of 3min
Cigarette；
1 cigarette (having 10 cigarette altogether) is randomly selected in Q2, every winding cigarette, is placed in 22 DEG C of temperature, relative humidity
60% climatic chamber inner equilibrium 24 hours；
Q3, the cigarette after all balances aspirate by mouth in Borgwaldt KC company LM5 effluent smoking machine, every
The puff number of cigarette is 5 mouthfuls；And the every pump orifice of every cigarette is detected most using MikroSpec RT7500 thermal infrared imager
Combustion temperatures simultaneously record；
Q4, range analysis is carried out to the maximum combustion temperature of every every mouthful of cigarette suction.
After testing, highest suction temperatures when every mouthful of this 10 cigarette suction are as shown in table 7 below, every cigarette it is every
The highest suction temperatures of mouthful suction it is very poor as shown in table 8 below.
The cigarette of 7 comparative example 1 of table aspirates highest suction temperatures table by mouth
The cigarette of 8 comparative example 1 of table is very poor (DEG C) by mouth suction maximum combustion temperature
| Mouth number | 1 | 2 | 3 | 4 | 5 |
| Temperature is very poor | 124.5 | 181.3 | 155.2 | 204.6 | 239.4 |
By the data of upper table 1~6 it is found that the evaluation method of cigarette shreds distributional stability of the present invention, is commented
Valence process is simple, not only artificial convenience of calculation, can more be incorporated into program in advance in a computer, and data conclusion will be more quick.
And the cigarette batch pipe tobacco distributional stability conclusion of the trade mark obtained is accurate, is consistent with actual conditions.
As can be seen from Table 8, the very poor difference of the maximum combustion temperature of every pump orifice of every cigarette is larger and very poor
Changing rule is not strong, thus select the very poor or arithmetic average of certain a bite it is very poor all cannot science reaction cigarette and cigarette by
Difference in mouth ignition temperature, and then can not scientifically reflect the difference of cigarette and cigarette on pipe tobacco distribution trend.
Claims (6)
1. the method based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette, which is characterized in that including following
Step:
S1, in the case where rolling andpackingequipment is stable, randomly select several packets in total according to fixed or arbitrary time span
Cigarette；
1~3 cigarette is randomly selected in S2, every winding cigarette, is placed in climatic chamber inner equilibrium 24 hours；
S3, the cigarette after all balances being carried out to aspirate by mouth on effluent smoking machine, the puff number of every cigarette is x, 3≤
x≤7；It is detected using infrared thermal imager and records corresponding maximum combustion temperature when the every mouthful of suction of every cigarette；
S4, the maximum temperature of every mouthful of suction of every cigarette is ranked up, counts all cigarettes highest in i-th mouthful of suction
The ranking of ignition temperature is the probability P (j of jth namei), 1≤i, j≤x；
The maximum value P for the probability that maximum combustion temperature occurs when every mouthful of S5, selection suctioni, calculate PiArithmetic mean of instantaneous value P0, i.e.,
For sample maximum combustion temperature distributional stability index, P0The more high then Cigarette of numerical value between pipe tobacco distributional stability more
It is high.
2. the method according to claim 1 based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette,
It is characterized in that, step S1 specifically: in the case where rolling andpackingequipment is stable, taken out according to the time interval of every 1~8min
The speed of 1 packet is taken, randomly selects 15~30 winding cigarettes in total.
3. the method according to claim 1 based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette,
It is characterized in that, step S1 specifically: in the case where rolling andpackingequipment is stable, extract 1 according to the time interval of every 3min
The speed of packet randomly selects 20 winding cigarettes in total.
4. the method according to claim 1 based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette,
It is characterized in that, in step S2, every winding cigarette randomly selects 2 cigarette.
5. the method according to claim 4 based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette,
It is characterized in that, in step S2, the temperature of climatic chamber is 22 DEG C, relative humidity 60%.
6. the method according to claim 1 based on pipe tobacco distributional stability in distribution probability evaluation batch inner wrap strip cigarette,
It is characterized in that, in step S3, the puff number of every cigarette is 5 mouthfuls.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110726645A (en) * | 2019-10-25 | 2020-01-24 | 中国烟草总公司郑州烟草研究院 | Method for evaluating stability of axial density distribution of cigarette tobacco shreds |
| CN111737643A (en) * | 2020-06-05 | 2020-10-02 | 红云红河烟草(集团)有限责任公司 | Method for measuring structural distribution stability of cut tobacco |
| CN113804260A (en) * | 2021-09-29 | 2021-12-17 | 红云红河烟草(集团)有限责任公司 | Method for detecting cut tobacco quantity of cigarette end |
| CN114877844A (en) * | 2022-04-19 | 2022-08-09 | 红塔烟草(集团)有限责任公司 | Method for detecting stability of cigarette in smoking process |
| CN116148004A (en) * | 2022-11-29 | 2023-05-23 | 江苏中烟工业有限责任公司 | Method for evaluating consistency of axial distribution of formula tobacco shreds in cigarette and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110726645A (en) * | 2019-10-25 | 2020-01-24 | 中国烟草总公司郑州烟草研究院 | Method for evaluating stability of axial density distribution of cigarette tobacco shreds |
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| CN113804260B (en) * | 2021-09-29 | 2023-08-15 | 红云红河烟草(集团)有限责任公司 | Method for detecting cut tobacco falling amount at end part of cigarette |
| CN114877844A (en) * | 2022-04-19 | 2022-08-09 | 红塔烟草(集团)有限责任公司 | Method for detecting stability of cigarette in smoking process |
| CN114877844B (en) * | 2022-04-19 | 2024-03-15 | 红塔烟草(集团)有限责任公司 | Method for detecting stability of cigarette smoking process |
| CN116148004A (en) * | 2022-11-29 | 2023-05-23 | 江苏中烟工业有限责任公司 | Method for evaluating consistency of axial distribution of formula tobacco shreds in cigarette and application |
| CN116148004B (en) * | 2022-11-29 | 2024-03-26 | 江苏中烟工业有限责任公司 | Method for evaluating consistency of axial distribution of formula tobacco shreds in cigarette and application |
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