CN108303344A - A method of it judging cigarette combustion cone and falls - Google Patents

A method of it judging cigarette combustion cone and falls Download PDF

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Publication number
CN108303344A
CN108303344A CN201711379891.6A CN201711379891A CN108303344A CN 108303344 A CN108303344 A CN 108303344A CN 201711379891 A CN201711379891 A CN 201711379891A CN 108303344 A CN108303344 A CN 108303344A
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density
cigarette
combustion cone
judgement
fallen
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CN108303344B (en
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向虎
何孝强
张云飞
邹玉胜
赵荣
刘戈弋
杨剑锋
李明
杨涛
李绍臣
王龙
蒋晓伟
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Hongyun Honghe Tobacco Group Co Ltd
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Hongyun Honghe Tobacco Group Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/24—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing the transmission of wave or particle radiation through the material

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Pathology (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

The present invention discloses a kind of method that judge cigarette combustion cone is fallen, pipe tobacco loading and pipe tobacco distributing homogeneity out of cigarette, and the density of tobacco rod measured using existing microwave moisture densimeter provides a kind of method that judge cigarette combustion cone is fallen.The present invention utilizes existing equipment, falls to judge cigarette combustion cone and provides a kind of completely new method, can fast and accurately judge cigarette combustion cone and fall phenomenon, has positive effect to improving cigarette quality, reducing cigarette combustion cone and fall phenomenon.

Description

A method of it judging cigarette combustion cone and falls
Technical field
The present invention relates to a kind of methods that judge cigarette combustion cone is fallen.
Background technology
It refers to cigarette the phenomenon that combustion cone is fallen in aspiration procedure that cigarette combustion cone, which is fallen, is serious cigarette product matter Defect is measured, not only has harmful effect to the suction of consumer experience, there is also serious security risks, therefore to cigarette combustion cone Falling the science of making, accurately judge is just particularly significant.
Currently, the interior detection cigarette combustion cone of industry is fallen, there are two types of methods, first, being aspirated by artificial, second is that passing through burning Cone falls detector detection.Although manually suction is easy to implement, excessively labor intensive, and testing result is by artificial subjectivity Factor influences, not objective rigorous enough；It can effectively detect combustion cone although combustion cone falls detecting instrument and fall phenomenon, take It is longer, and most domestic factory does not introduce the equipment, and then to quickly detect cigarette close for microwave moisture densimeter It spends and application is relatively broad.
Invention content
The object of the present invention is to provide a kind of methods quick and precisely judged cigarette combustion cone and fallen.
In order to solve the above-mentioned technical problem, technical scheme of the present invention：
A method of it judging cigarette combustion cone and falls, include the following steps：
(1) best theoretical density ρ, minimum theoretical density p are calculated1, the first judgement density section I1, the first judgement density region Between the judgements of coefficient of variation C1 and second density section I2, the second judgement density section coefficient of variation C2：It measures cigarette machine and puts down quasi- disk Hard waste Filling power f under cutting down, tobacco fill value is according to YC/T152-2001《The measurement of cigarette shreds Filling power》Regulation carries out It measures, calculates best theoretical densityMinimum theoretical density p1=ρ × 85%, the first judgement density section I1=[0.94 ρ, ρ), the first judgement density section coefficient of variation is 10.8%, the second judgement density section I2=[0.85 ρ, 0.94 ρ), second Judge that the density section coefficient of variation is 6.7%.
(2) density of tobacco rod is measured：Density of tobacco rod is according to YC/T 476-2013《Cigarette tobacco density measures microwave method》Regulation It measures, sample size is 200, density of tobacco rod is measured since cigarette ignites end, since tipping paper can be to density of tobacco rod Value interfere, it is contemplated that the detection error of instrument, measurement data by the end of tipping paper again toward Forward 2mm, therefore measure model It encloses and is set to 0-l [cigarette length-(tipping paper width+3)], be spaced 1mm, each measurement result is denoted as xij, i-th cigarette of expression Density of tobacco rod value at jmm, wherein i ∈ [1,200], j ∈ [0, l].
(3) it calculates sample rate point and is more than or equal to best theoretical density ratio r：
Wherein
is(xij>=ρ) it indicates to judge whether each density points are more than or equal to best theoretical density, if it is value is 1, such as Fruit is not that then value is 0；
sum[is(xij>=ρ)] indicate the number for being more than best theoretical density in all measurement data；
(l+1) * 200 quantity for indicating all measurement points.
(4) sample mean variable density angle α is calculated：
Wherein, A point coordinates is Indicate the density average at the corresponding jmm of 200 cigarettes, A points are average The maximum value of density；B point coordinates isIt indicates since 0, the absolute value of two neighboring averag density point difference is less than 1 First point；C point coordinates isIt indicates since B points, the absolute value of two neighboring averag density point difference is more than 1 First point.
(5) stage casing (excluding tight head point) averag density of i-th cigarette is calculatedDensity Variation coefficient C.Vi：
Wherein
L1 expressions, which are ignited, holds quasi- disk groove arc length level with both hands, and [] indicates rounding；
Indicate downward rounding；
(6) it evaluates one group of cigarette combustion cone and falls probability：Sample rate point is more than or equal to the ratio r of best theoretical density ρ Bigger, the probability that combustion cone is fallen is smaller；If r close (absolute difference is less than 1%), sample mean variable density angle α Bigger, the probability that combustion cone is fallen is smaller.
(7) judge whether a cigarette can occur combustion cone and fall：By cigarette stage casing averag densityCoefficient of variation C.ViWith Best theoretical density ρ, minimum theoretical density p1, the first judgement density section I1, the first judgement density section coefficient of variation C1 and Second judgement density section I2, the second judgement density section coefficient of variation C2 are compared, ifThen judge cigarette not Combustion cone can occur to fall；IfAnd C.Vi＜ 10.8% then judges that cigarette will not occur combustion cone and fall；IfAnd C.Vi>=10.8%, then judge that cigarette can occur combustion cone and fall；IfAnd C.Vi＜ 6.7%, then judge Cigarette will not occur combustion cone and fall；IfAnd C.Vi>=6.7%, then judge that cigarette can occur combustion cone and fall；Such as FruitThen judge that cigarette can occur combustion cone and fall.
Compared with prior art, the beneficial effects of the invention are as follows：The cigarette measured using existing microwave moisture densimeter Density, pipe tobacco loading and pipe tobacco distributing homogeneity out of cigarette, by the detection data for falling detector with combustion cone Comparison, this method can fast and accurately judge cigarette combustion cone and fall phenomenon, fall to improving cigarette quality, reducing cigarette combustion cone Falling phenomenon has positive effect.
Description of the drawings
Fig. 1 is the logical schematic for the method that the judge cigarette combustion cone of the present invention is fallen.
Specific implementation mode
In the present embodiment, it should be noted that relational terms such as first and second and the like are used merely to one A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting Standby intrinsic element.
In addition, the connection between component or fixed form if not otherwise specified in this embodiment, connection or solid Determine mode can be fixed by bolt commonly used in the prior art or pin fix or axis pin connection etc. modes, therefore, this It is no longer described in detail in embodiment.
As shown in fig.1, a kind of method judged cigarette combustion cone and fallen,
Embodiment 1：Comparison judges different brands cigarette combustion cone and falls situation.
Sample：Cloud and mist brand 1 and cloud and mist brand 2, cigarette design objective are as follows：
1 cigarette design objective of table
Brand Cigarette length mm Tipping paper width mm
Cloud and mist 1 84 32
Cloud and mist 2 84 37
Instrument：German TEWS companies MW4420 types microwave moisture densimeter.
Steps are as follows for judge：
(1) best theoretical density ρ, minimum theoretical density p are calculated1, the first judgement density section I1, the first judgement density region Between the judgements of coefficient of variation C1 and second density section I2, the second judgement density section coefficient of variation C2：Two brands are measured respectively Hard waste Filling power be 4.36cm3/ g and 4.29cm3/ g, corresponding parameter value are：
2 hard waste Filling power of table
Project Cloud and mist 1 Cloud and mist 2
Hard waste Filling power cm3/g 4.36 4.29
Best theoretical density mg/cm3 229.4 233.1
(2) density of tobacco rod is measured：
Density of tobacco rod is according to YC/T 476-2013《Cigarette tobacco density measures microwave method》Regulation measures, and respectively takes two A trade mark cigarette 200, measurement range are set to 0-l [cigarette length-(tipping paper width+3)].
3 cloud and mist of table, 1 density of tobacco rod value
4 cloud and mist of table, 2 density of tobacco rod value
(3) the ratio r that sample rate point is more than or equal to best theoretical density is calculated：
5 sample rate point of table is more than best theoretical density ratio
Because the two ratio r differences are less than 1%, it is therefore desirable to which the averag density variation angle for calculating two samples carries out pair Than.
(4) sample mean variable density angle is calculated
First calculate cloud and mist 1 sample mean variable density angle, A point coordinates be (7,255.2), B point coordinates be (21, 222.4), C point coordinates is (38,217.9),2 sample mean variable density of cloud and mist is calculated again Angle, A point coordinates are (7,265.6), and B point coordinates is (23,223.4), and C point coordinates is (45,221.1),Because of 1 ＞ α 2 of α, it is believed that the cigarette combustion cone of cloud and mist 1, which falls probability, is less than cloud and mist 2, two trade mark of tester pair is fallen by cigarette combustion cone and is detected with batch cigarette sample, testing result is the 200 of cloud and mist 1 8 generation combustion cones are shared in branch sample falls phenomenon, and cloud and mist 2 has 12 generation combustion cones to fall phenomenon, with the present invention's It is consistent to judge conclusion.
Embodiment 2：Judge that cigarette combustion cone falls ratio.
Sample：Cloud and mist brand 3, the brand cigarette index of correlation are as follows：
6 cigarette index of table
Instrument：German TEWS companies MW4420 types microwave moisture densimeter.
Steps are as follows for judge：
(1) best theoretical density ρ, minimum theoretical density p are calculated1, the first judgement density section I1, the first judgement density region Between the judgements of coefficient of variation C1 and second density section I2, the second judgement density section coefficient of variation C2：It measures cigarette machine and puts down quasi- disk Hard waste Filling power f=4.44cm under cutting down3/ g calculates best theoretical densityMinimum reason By density p1=ρ * 0.85=191.4mg/cm3, the first judgement density section I1=[0.94 ρ, ρ)=[211.7,225.2), the The one judgement density section coefficient of variation is 10.8%, the second judgement density section I2=[0.85 ρ, 0.94 ρ)=[191.4, 211.7), the second judgement density section coefficient of variation is 6.7%.
(2) density of tobacco rod is according to YC/T 476-2013《Cigarette tobacco density measures microwave method》Regulation measures, sample Quantity is 200, density of tobacco rod is measured since cigarette ignites end, measurement range is set to 0-l, and [(tipping paper is wide for cigarette length- Degree+3)], it is spaced 1mm, each measurement result is denoted as xij, indicate i-th cigarette jmm at density of tobacco rod value, wherein i ∈ [1, 200],j∈[0,l]。
(3) stage casing (excluding tight head point) averag density of i-th cigarette is calculatedDensity Variation coefficient C.Vi：
L1 expressions, which are ignited, holds quasi- disk groove arc length level with both hands；It is 6 grooves due to putting down quasi- disk, andL2=tipping paper width+3=40mm, l3<(l2-1), institute WithTherefore
(4) judge whether a cigarette can occur combustion cone and fall：By cigarette stage casing averag densityCoefficient of variation C.ViWith Best theoretical density ρ, minimum theoretical density p1, the first judgement density section I1, the first judgement density section coefficient of variation C1 and Second judgement density section I2, the second judgement density section coefficient of variation C2 are compared, and finally judge that sharing 4 cigarettes may send out Raw combustion cone falls situation, and first number is 68, correspondingC.V68=10.99%, becauseAnd C.V68>=10.8%, so judging that the cigarette can occur combustion cone and fall situation；Second Branch number is 91, correspondingC.V91=7.42%, because And C.V91>=6.7%, therefore judge that the cigarette may occur combustion cone and fall situation；Third branch number is 123, correspondingBecauseSo judging that the cigarette may occur combustion cone and fall situation；4th Number is 184, correspondingC.V184=7.6%, because And C.V184>=6.7%, therefore judge that the cigarette may occur combustion cone and fall situation；Third branch number is 123, correspondingBecauseSo judging that the cigarette may occur combustion cone and fall situation；4th Number is 184, correspondingC.V184=7.6%, because And C.V184>=6.7%, therefore judge that the cigarette may occur combustion cone and fall situation.Finally judge the sample cigarette combustion cone The ratio that may be fallen is 2%, falls a tester by cigarette combustion cone and is detected with batch cigarette sample to the trade mark, is examined Surveying result has 5 cigarette generation combustion cones to fall situation, and the ratio that falls is 2.5%, close with judging result of the present invention, therefore can To think that it is that cigarette combustion cone is fallen the result is that reliable that this method judges.
The present invention is can be seen that by the prediction result of embodiment 1,2 and utilizes existing microwave moisture Density Detection equipment, is Judge cigarette combustion cone, which is fallen, provides a kind of completely new method, can fast and accurately judge cigarette combustion cone and fall phenomenon, right Improve cigarette quality, reduce cigarette combustion cone and fall phenomenon and have positive effect.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of method judged cigarette combustion cone and fallen, it is characterised in that：Include the following steps：
(1) best theoretical density ρ, minimum theoretical density p are calculated1, the first judgement density section I1, the first judgement density section become The judgement density of different coefficient C1 and second section I2, the second judgement density section coefficient of variation C2：It measures cigarette machine and puts down quasi- disk reduction Under hard waste Filling power f, tobacco fill value is according to YC/T 152-2001《The measurement of cigarette shreds Filling power》Regulation is surveyed Amount；
(2) density of tobacco rod is measured：Density of tobacco rod is according to YC/T 476-2013《Cigarette tobacco density measures microwave method》Regulation carries out It measures, sample size is 200, density of tobacco rod is measured since cigarette ignites end, since tipping paper can be to the survey of density of tobacco rod Amount result interferes, it is contemplated that the detection error of instrument, measurement data is by the end of tipping paper again toward Forward 2mm；
(3) it calculates sample rate point and is more than or equal to best theoretical density ratio r：
(4) sample mean variable density angle α is calculated：
(5) stage casing (excluding tight head point) averag density of i-th cigarette is calculatedDensity Variation coefficient C.Vi：
(6) it evaluates one group of cigarette combustion cone and falls probability：Sample rate point is bigger more than or equal to the ratio r of best theoretical density ρ, The probability that combustion cone is fallen is smaller；If r is close, absolute difference is less than 1%, then sample mean variable density angle α is bigger, combustion It is smaller to burn the probability that cone is fallen；
(7) judge whether a cigarette can occur combustion cone and fall：By i-th cigarette stage casing averag densityCoefficient of variation C.ViWith Best theoretical density ρ, minimum theoretical density p1, the first judgement density section I1, the first judgement density section coefficient of variation C1 and Second judgement density section I2, the second judgement density section coefficient of variation C2 are compared, ifThen judge cigarette not Combustion cone can occur to fall；IfAnd C.Vi＜ 10.8% then judges that cigarette will not occur combustion cone and fall；IfAnd C.Vi>=10.8%, then judge that cigarette can occur combustion cone and fall；IfAnd C.Vi＜ 6.7%, then judge Cigarette will not occur combustion cone and fall；IfAnd C.Vi>=6.7%, then judge that cigarette can occur combustion cone and fall；Such as FruitThen judge that cigarette can occur combustion cone and fall.
2. the method according to claim 1 judged cigarette combustion cone and fallen, it is characterised in that：In described (1) step, Calculate best theoretical densityMinimum theoretical density p1=ρ × 85%, the first judgement density section I1=[0.94 ρ, ρ), The first judgement density section coefficient of variation is 10.8%, and the second judgement density section I2=[0.85 ρ, 0.94 ρ), the second judgement is close It is 6.7% to spend interblock variation coefficient.
3. the method according to claim 1 judged cigarette combustion cone and fallen, it is characterised in that：In described (2) step, Measurement range is set to 0-l [cigarette length-(tipping paper width+3)], is spaced 1mm, and each measurement result is denoted as xij, indicate i-th Density of tobacco rod value at the jmm of branch cigarette, wherein i ∈ [1,200], j ∈ [0, l].
4. the method according to claim 1 judged cigarette combustion cone and fallen, it is characterised in that：In described (3) step, Wherein
is(xij>=ρ) it indicates to judge whether each density points are more than or equal to best theoretical density, if it is value is 1, if not It is that then value is 0；
sum[is(xij>=ρ)] indicate the number for being more than best theoretical density in all measurement data；
(l+1) * 200 quantity for indicating all measurement points.
5. the method according to claim 1 judged cigarette combustion cone and fallen, it is characterised in that：In described (4) step, Wherein, A point coordinates is Indicate the density average at the places 200 cigarettes corresponding jmm, A points for averag density most Big value；B point coordinates isIt indicates since 0, the absolute value of two neighboring averag density point difference is less than first of 1 Point；C point coordinates isIt indicates since B points, the absolute value of two neighboring averag density point difference is more than first of 1 Point.
6. the method according to claim 1 judged cigarette combustion cone and fallen, it is characterised in that：In described (5) step, Wherein
L1 expressions, which are ignited, holds quasi- disk groove arc length level with both hands, and [] indicates rounding；
Indicate downward rounding；
L2=tipping papers width+3,
。
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CN110108833A (en) * 2019-05-24 2019-08-09 中国农业科学院烟草研究所 A kind of measuring method of cigarette burn rate
CN110146657A (en) * 2019-06-10 2019-08-20 中国烟草总公司郑州烟草研究院 A kind of method that evaluating cigarette falls head tendency
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