CN108896441A - Microwave density instrument detects the modification method of filter stick end density distortion - Google Patents
Microwave density instrument detects the modification method of filter stick end density distortion Download PDFInfo
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- CN108896441A CN108896441A CN201810336400.8A CN201810336400A CN108896441A CN 108896441 A CN108896441 A CN 108896441A CN 201810336400 A CN201810336400 A CN 201810336400A CN 108896441 A CN108896441 A CN 108896441A
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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
- G01N9/24—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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Abstract
The invention discloses the modification methods of microwave density instrument detection filter stick end density distortion, including：Using the accurate feature of the microwave density instrument detection non-end data of filter stick, filter stick is subjected to a Density Detection, obtains the detection data of filter stick end distortion；The original end of filter stick is become into non-end and carries out one-shot measurement, obtains the non-distorted detection data in the filter stick original end；Regression analysis is carried out to the detection data and non-distorted detection data of the distortion of same detection unit, establishes the data correction mathematical model of the unit；The data correction mathematical model of institute's modified detection unit in need is established, the obtained distortion data application corresponding data of measurement same specification filter stick is corrected mathematical model and is modified, and accurate data is obtained.The present invention is not influenced by object axial direction density uniformity, and compensation is accurate, strong applicability, easy to operate.
Description
Technical field
The present invention relates to tobacco detection technique fields, more particularly to the detection filter stick end density distortion of microwave density instrument
Modification method.
Background technique
Currently, the Density Detection status of filter stick class product is：Since microwave density instrument can carry out 1mm or following to object
Length be measuring unit carry out Density Detection, therefore, for test and analyze filter stick density and its fluctuation it is very convenient.
There are certain deficiencies in Density Detection processing for it, since resonant cavity has certain width, measurement object picture
When the end of filter stick, measured object is not filled up completely resonant cavity, and measured value cannot really reflect measured object actual density, always go out
Now certain deviation brings a negative impact for the monitoring of filter stick axial direction density, analysis.
The deviation that occurs when in order to eliminate microwave density instrument detection filter stick end, existing literature application No. is
201210224705.2, disclosing patent name is " compensation method of filter stick firing end density data " patent, passes through test point
Analysis, the method which the proposes object compensation good to axial density uniformity very well, but work as the axial even density of object
Compensation effect is poor when property is bad.
In conclusion the amendment that density when bad for the axial density uniformity of object in the prior art is distorted is asked
Topic, still shortage effective solution scheme.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides repairing for microwave density instrument detection filter stick end density distortion
Correction method, the present invention are a kind of compensation methodes not influenced by object axial direction density uniformity, have and compensate accurate, applicability
By force, easy to operate advantage.
Microwave density instrument detects the modification method of filter stick end density distortion, including：
Using the accurate feature of the microwave density instrument detection non-end data of filter stick, filter stick is subjected to a Density Detection, is obtained
The detection data being distorted to the filter stick end；
The original end of filter stick is become into non-end and carries out one-shot measurement, obtains the non-distorted testing number in the filter stick original end
According to；
Regression analysis is carried out to the detection data and non-distorted detection data of the distortion of same detection unit, establishes the unit
Data correction mathematical model；
The data correction mathematical model of institute's modified detection unit in need is established, the obtained distortion of same specification filter stick is measured
Data application corresponding data amendment mathematical model is modified, and obtains accurate data.
Further preferred technical solution, the original end of filter stick, which is become the specific scheme in non-end, is：It will detect
Filter stick end and another filter stick end closed butt joint, or
Two end closed butt joints after truncation among the filter stick detected that the filter stick is original, or
By the end of the filter stick detected and the new section of end closed butt joint gone out.
Further preferred technical solution, by the end closed butt joint of the filter stick end detected and another filter stick, when
When the filter stick detected is that length value is the filter stick of integer in millimeters, second should be first from the filter detected when detecting
Stick starts to detect.
Further preferred technical solution, when another filter stick is that length value is the filter stick of integer in millimeters,
By the end closed butt joint of the first test side of the filter stick detected and another filter stick, second should be first from another filter stick when detecting
Start to detect.
Further preferred technical solution is single when two filter sticks of the filter stick detected and another filter stick are all with millimeter
When bit length numerical value is the filter stick of integer, after the end closed butt joint of the filter stick end detected and another filter stick, second
It detects since the filter stick detected when secondary detection or is detected since another filter stick.
Further preferred technical solution, one millimeter of filter stick is a list when microwave density instrument detects filter stick density
Position.
Further preferred technical solution, it is 4-8 that the filter stick, which needs the quantity of modified detection unit,.
The intermediate truncation of the same filter stick is obtained two sections by further preferred technical solution, from having detected filter when cutting
B point is cut off at the whole millimeter in the centre that stick A is lighted.
Further preferred technical solution, end A are exchanged with end B, and measurement twice is corresponding same before and after the density value of A point
One millimeter of filter stick.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is the feature accurate using the microwave density instrument detection non-end data of filter stick, and it is in need modified to establish institute
The data correction mathematical model of measuring unit carries out data correction using the model, is not influenced by object axial direction density uniformity,
Compensation is accurate, strong applicability, easy to operate.
The present invention is by the end closed butt joint of the filter stick end detected and another filter stick, a corresponding premise item
Part：The filter stick detected is the filter stick that length value is integer in millimeters, and second should be first from having detected when detecting
Filter stick starts to detect；Either another filter stick is the filter stick that length value is integer in millimeters, the filter that will have been detected
The first test side of stick and the end closed butt joint of another filter stick, should first detect since another filter stick when detecting for the second time；When
When two filter sticks are all that length value is the filter stick of integer in millimeters, so that it may which any docking has detected.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is that two original end closed butt joints are carried out detection schematic diagram after the same filter stick body centre is truncated.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In a kind of typical embodiment of the application, as shown in Figure 1, it is close to provide microwave density instrument detection filter stick end
The modification method of distortion is spent, including：
Filter stick detection：
First normal filter stick is put into the detection of microwave density instrument, is detected the end A first, obtains end detection data A1jd,
For distortion value, then, by filter stick, B point is cut off at the whole millimeter in centre lighted from A, and A, B are exchanged at end, CB, BA two after cutting
End is close to second of progress and measures, and is detected the end B first, obtains middle part detection data A1jz, is non-distorted value.
The density value of microwave density instrument output be from end one millimeter be a unit, the centre that when cutting lights from A
B point at whole millimeter, it is ensured that after end is exchanged, measurement is corresponding same millimeter filter stick twice before and after the density value of A point, no
Then, it does not ensure that.
By the method that first filter stick detects, i-th filter stick is detected, end detection data Aijd and middle part testing number are obtained
According to Aijz；
J is detection unit serial number, and for the integer from 1 to m, m is maximum distortion unit number, generally 4-8.
I is filter stick number, and for the integer from 1 to n, n numerical value takes 30-50.
Data correction mathematical model is established：
Two groups of numbers of A11d-An1d and A11z-An1z are subjected to regression analysis, establish the data correction of the 1st detection unit
Mathematical model Y1
Two groups of numbers of A1jd-Anjd and A1jz-Anjz are subjected to regression analysis, establish the data correction of jth detection unit
Mathematical model Yj
Mathematical model Ym until having built m unit
When detecting the filter stick of this trade mark from now on, so that it may with established mathematical model Y1, Y2 ... Ym respectively to the
One, second ... the detection data of m unit is modified, the detection unit in the application be specially utilize microwave density instrument into
The detected material of the 1mm long of row detection.
More detailed embodiment 1
The method according to the invention is corrected the detection data of A trade mark filter stick:
From most end, the correction model of the first to the 5th detection unit is as shown in table 1.
The detection data correction model table of 1 A trade mark filter stick of table
| Detection unit serial number | Detection data correction model |
| 1 | Y=1.0038x+54.604 |
| 2 | Y=1.0018x+27.123 |
| 3 | Y=0.9963x+13.242 |
| 4 | Y=1.0031x+6.8372 |
| 5 | Y=1.006x+2.0894 |
It is as shown in table 2 that detection data corrects cross-reference situation.
The detection data of 2 A trade mark filter stick of table corrects cross-reference table
| Detection unit serial number | 1 | 2 | 3 | 4 | 5 |
| Data (mg/cm before correcting3) | 83.8883 | 111.895 | 126.866 | 132.5 | 137.368 |
| Data (mg/cm after amendment3) | 138.8111 | 141.0321 | 139.6386 | 139.748 | 140.2816 |
The method according to the invention is also corrected the detection data of B trade mark filter stick:
From most end, the correction model of the first to the 5th detection unit is as shown in table 3.
The detection data correction model table of 3 B trade mark filter stick of table
| Detection unit serial number | Detection data correction model |
| 1 | Y=0.9969x+47.909 |
| 2 | Y=0.9928x+21.719 |
| 3 | Y=0.9895x+10.366 |
| 4 | Y=0.9968x+5.3421 |
| 5 | Y=0.9931x+3.1627 |
It is as shown in table 4 that detection data corrects cross-reference situation.
The detection data of 4 B trade mark filter stick of table corrects cross-reference table
| Detection unit serial number | 1 | 2 | 3 | 4 | 5 |
| Data (mg/cm before correcting3) | 71.1312 | 97.9753 | 112.103 | 118.083 | 121.911 |
| Data (mg/cm after amendment3) | 118.820 | 118.989 | 121.292 | 123.047 | 124.233 |
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. the modification method that microwave density instrument detects the distortion of filter stick end density, characterized in that including：
Using the accurate feature of the microwave density instrument detection non-end data of filter stick, filter stick is subjected to a Density Detection, is somebody's turn to do
The detection data of filter stick end distortion；
The original end of filter stick is become into non-end and carries out one-shot measurement, obtains the non-distorted detection data in the filter stick original end；
Regression analysis is carried out to the detection data and non-distorted detection data of the distortion of same detection unit, establishes the number of the unit
According to amendment mathematical model；
The data correction mathematical model of institute's modified detection unit in need is established, the obtained distortion data of same specification filter stick is measured
It is modified using corresponding data amendment mathematical model, obtains accurate data.
2. the modification method of microwave density instrument detection filter stick end density distortion as described in claim 1, characterized in that will filter
The original end of stick becomes the specific scheme in non-end：The filter stick end detected and the end of another filter stick is closely right
It connects, or
Two end closed butt joints after truncation among the filter stick detected that the filter stick is original, or
By the end of the filter stick detected and the new section of end closed butt joint gone out.
3. the modification method of microwave density instrument detection filter stick end density distortion as described in claim 1, characterized in that described
One millimeter of filter stick is a unit when microwave density instrument detects filter stick density.
4. the modification method of microwave density instrument detection filter stick end density distortion as described in claim 1, characterized in that described
It is 4-8 that filter stick, which needs the quantity of modified detection unit,.
5. the modification method of microwave density instrument detection filter stick end density distortion as claimed in claim 2, characterized in that same
The intermediate truncation of one filter stick obtains two sections, cuts off from having detected B point from the whole millimeter in centre that filter stick A is lighted when cutting.
6. the modification method of microwave density instrument detection filter stick end density distortion as claimed in claim 2, characterized in that end
A is exchanged with end B, and measurement is corresponding same millimeter filter stick twice before and after the density value of A point.
7. the modification method of microwave density instrument detection filter stick end density distortion as claimed in claim 2, characterized in that will
The filter stick end of detection and the end closed butt joint of another filter stick, when the filter stick detected is length value in millimeters
For integer filter stick when, second should first detect since the filter stick detected when detecting.
8. the modification method of microwave density instrument detection filter stick end density distortion as claimed in claim 2, characterized in that another
When a filter stick is that length value is the filter stick of integer in millimeters, by the first test side of the filter stick detected and another filter
The end closed butt joint of stick should be detected first since another filter stick when detecting for the second time.
9. the modification method of microwave density instrument detection filter stick end density distortion as claimed in claim 2, characterized in that when
When two filter sticks of the filter stick of detection and another filter stick are all that length value is the filter stick of integer in millimeters, it will detect
Filter stick end and another filter stick end closed butt joint after, second when detecting since the filter stick detected detection or from
Another filter stick starts to detect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336400.8A CN108896441B (en) | 2018-04-11 | 2018-04-11 | Correction method for detecting density distortion of end part of filter stick by microwave densitometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336400.8A CN108896441B (en) | 2018-04-11 | 2018-04-11 | Correction method for detecting density distortion of end part of filter stick by microwave densitometer |
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| CN108896441A true CN108896441A (en) | 2018-11-27 |
| CN108896441B CN108896441B (en) | 2020-12-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110279142A (en) * | 2019-02-14 | 2019-09-27 | 山东中烟工业有限责任公司 | In filter stick quick-fried pearl whether Po Sun measuring method, storage medium and equipment |
| CN110595944A (en) * | 2019-08-21 | 2019-12-20 | 山东中烟工业有限责任公司 | Method and system for correcting end density data of bead blasting filter stick |
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| CN110279142B (en) * | 2019-02-14 | 2021-10-08 | 山东中烟工业有限责任公司 | Method for determining whether bead explosion in filter stick is damaged or not, storage medium and equipment |
| CN110595944A (en) * | 2019-08-21 | 2019-12-20 | 山东中烟工业有限责任公司 | Method and system for correcting end density data of bead blasting filter stick |
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