CN103504473A - Method and apparatus for detecting strand inhomogeneity of a material rod of the tobacco processing industry - Google Patents
Method and apparatus for detecting strand inhomogeneity of a material rod of the tobacco processing industry Download PDFInfo
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- CN103504473A CN103504473A CN201310235096.5A CN201310235096A CN103504473A CN 103504473 A CN103504473 A CN 103504473A CN 201310235096 A CN201310235096 A CN 201310235096A CN 103504473 A CN103504473 A CN 103504473A
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- measurement mechanism
- section
- bar
- material strips
- dead zone
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
- A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
- A24C5/3412—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by means of light, radiation or electrostatic fields
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
- A24D3/0216—Applying additives to filter materials the additive being in the form of capsules, beads or the like
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention relates to a method and an apparatus for detecting strand inhomogeneity of a material rod of the tobacco processing industry. The method comprises the steps of putting an article into the material rod on a predetermined article position; conveying the material rod in a longitudinal axis direction through at least two rod measuring devices operated at different frequencies; and dividing the material rod into an article section and a blank section for evaluating the measured signals. Besides, the invention relates to a rod machine, an application and a soft program of the tobacco-processing industry. According to the method provided by the invention, measured signals of the article section and the blank section of the rod measuring devices are evaluated by using different evaluation methods; in the article section, an article algorithm is used to carry out position determination and/or quality monitoring on at least one article from changes in time of at least one measured signal of the measured signals; in the blank section, at least one blank section algorithm is used to recognize strand inhomogeneity and/or detecting stand consistency and/or amount of at least one additive particularly a softening agent in the material rod.
Description
Technical field
The present invention relates to a kind of object of especially putting into for the bar heterogeneity to the material strips of the tobacco industry, defective object and/or foreign matter are known method for distinguishing, wherein object is put into material strips on predetermined object space especially in tobacco rods or filtering rod and putting into the bar measurement mechanism moving by least two different frequencies of use after described object and carrying out Y and carry described material strips, described measurement mechanism is especially merged into combined strip measurement mechanism, wherein for measuring-signal is tested and assessed, described material strips is divided into and comprises respectively the object section of one or more predetermined object space and without the dead zone section of predetermined object space.
In addition, the present invention relates to a kind of object of especially putting into for the bar heterogeneity to the material strips of the tobacco industry, the device that defective object and/or foreign matter are identified, this device has object embedding device, by means of described object embedding device object, on predetermined object space, can put into or put into material strips especially tobacco rods or filtering rod, wherein along the throughput direction of described material strips in the arranged downstream of described object embedding device at least two bar measurement mechanisms that the different frequency of use is moved or can be moved, described measurement mechanism is especially merged into combined strip measurement mechanism, by described combined strip measurement mechanism, successively can carry or carry described material strips Y, comprising assessment device, this assessment device is configured to for the measuring-signal of described measurement mechanism is tested and assessed, described material strips is divided into and comprises respectively the object section of one or more predetermined object space and without the dead zone section of predetermined object space.Finally, the present invention relates to a kind of set frame of the tobacco industry, a kind of purposes and a kind of software program.
The present invention relates to be particularly useful for the material strips of cigarette with filter tip, especially manufacture and the inspection of tobacco rods or filtering rod for the bar form articles of the tobacco industry.Described tobacco rods or filtering rod are dimensioned and block as single tobacco rod filter stick in other words after it is manufactured.Described filtering rod is dimensioned the object that the filter stick that blocks or tobacco rod comprise that as main part one or more exerts an influence to cigarette characteristic or filter tip characteristic in other words.
Background technology
Relating to filter stick in other words filtering rod in the situation that, described object especially has the firmly capsule of jacket, and described capsule is equipped with liquid.Described liquid generally comprises fragrance material or aromatic substance in such a case such as menthol.In order to use, smoker before smoking by being expressed on filter tip that this mode is opened described capsule and subsequently by cigarette lighter.By being expressed to this mode on the capsule in described filter tip, carry out releasing liquid, the fragrance of described liquid is evaporated.This processing mode provides a kind of strong especially or fresh taste results.Corresponding capsule generally has the diameter of about 3.5mm, but also can be smaller.
As an alternative, as object, also use hard object within the scope of the invention, can use less or larger particle equally, such as the spheroid being formed by active carbon, extrudate or other filtering material or additive or the object of cylindricality.
A kind of can be used for accordingly with higher speed by object put into object embedding device in material strips such as the applicant be numbered 10 2,011 017 615.2 German patent application in illustrated, the disclosure of this patent application should cover in current application by reference content intact.Utilize this object embedding device for putting into therein the material strips of object, also can obtain the transporting velocity approaching with the transporting velocity of the material strips of object without putting into.Therefore such as manufacturing a kind of cigarette carton, method is first tobacco to be shaken loose on bar conveyer, brings the cigarette of wrapping up described tobacco rods and blocking subsequently the use length with many times from described tobacco rods upper fixed ruler cun with lapping.The formation of described tobacco rods or filtering rod and for the cutting subsequently of described in other words sizing block with higher speed and carry out.For cigarette now and filter manufacturing machine, the bar velocity ratio of 10m/s is more typical, wherein for 100mm section length, carries out the cutting beat of 100 times per second.
In addition know, contactlessly measure the bar characteristic of tobacco rods and filtering rod.Therefore, such as measuring humidity and the density of the tobacco in cigarette carton, for especially density being regulated.In the unexpected situation with the signal fluctuation short time of this external appearance, infer the existence of foreign matter, wherein next corresponding bar segmentation is rejected.
This carries out by means of MMU microwave measurement unit in modern cigarette-making machine, and described MMU microwave measurement unit has at least one microwave resonator housing, and described tobacco rods is passed from described microwave resonator housing.Also know with significantly lower frequency and measure bar characteristic.Therefore, from DE 10 2,004 063 228 B4, disclose a kind of for determining especially dielectric characteristic measurement mechanism of humidity and/or density especially of tobacco, cotton or other fiber product of product, this measurement mechanism have measure capacitor, for produce the device of radio-frequency field at described measurement capacitor, described radio-frequency field is affected by the product being arranged in the measurement space of described measurement mechanism.
Within the scope of the invention, " high frequency " in other words " HF " this concept in the boundary of microwave range, mean in principle the frequency lower than 300MHz.Common described frequency is greater than 10kHz, is preferably greater than 100kHz.Further preferred described frequency is especially at least 1MHz concerning tobacco, is further preferably greater than 5MHz, because too low frequency can only be carried out enough accurate measurements in more and more restricted measurement category.
The example of micro-strip measurement mechanism and capacitive high frequency bar measurement mechanism is also from the applicant's numbering 10 2,011 083 049.9 be numbered 10 2,011 083 052.9 German patent application and disclosed, and the disclosure of these two parts of patent applications should cover in the application by reference content intact.
Summary of the invention
In view of this prior art, task of the present invention is, for the outfit of the tobacco industry the different aspect of bar quality to be checked the material strips of object and especially identify the bar of object about putting into and foreign matter heterogeneous.
This task of the present invention is by a kind of object of especially putting into for identifying the bar heterogeneity of the material strips of the tobacco industry, the method of defective object and/or foreign matter is resolved, wherein object is put into material strips on predetermined object space especially in tobacco rods or filtering rod and putting into the bar measurement mechanism moving by least two different frequencies of use after object and carrying out Y and carry described material strips, described measurement mechanism is especially merged into combined strip measurement mechanism, wherein for measuring-signal is tested and assessed, described material strips is divided into and comprises respectively the object section of one or more predetermined object space and without the dead zone section of predetermined object space, the improvements of described method are, with different assessment methods, the measuring-signal in described object section and dead zone section of described measurement mechanism is tested and assessed respectively, wherein in described object section, with a kind of object algorithm, in the temporal variation of at least one measuring-signal from described measuring-signal, at least one object is carried out location positioning and/or quality monitoring and in the section of described dead zone, uses at least one dead zone section algorithm, with described dead zone section algorithm, identify bar heterogeneous and/or detect the especially amount of softening agent of bar uniformity in described material strips and/or at least one additive.
The present invention is based on such basic conception, the equipment control device with the pattern of putting into of machine beat and object has information, described information can realize the test and appraisal for micro-strip measurement mechanism signal or capacitive high frequency bar measurement mechanism signal, and described test and appraisal are according to having the object section of the object of putting into and separate and can realize thus different analyses without the dead zone section of the object of putting into.At this, in described object section with object algorithm such as not only checking existing of object by surpassing the situation of the threshold level given in advance in object section, and with the position of described object determine and use departs from nominal position if desired deviation is analyzed widely.Surpass described object position depart from the deviation of nominal position time, can stipulate, next relevant bar segmentation is excluded from further process.
In the dead zone section without object, use another kind of test and appraisal pattern, for described another kind of test and appraisal pattern, not the accurate position of determining object, but detect the especially amount of softening agent of at least one additive in general bar uniformity and/or test material.Also can identify thus the situation that exists of foreign matter in the section of described dead zone.Can be foreign matter by the object identification of being put into mistakenly the object in the section of dead zone or entering into dead zone section when putting into equally.Because Duan Zhongwei arranges object in dead zone, so also it should be treated as foreign matter.Next relevant material strips segmentation can be excluded from further process.
Preferably as bar measurement mechanism, by least one micro-strip measurement mechanism and/or by least one capacitive high frequency bar measurement mechanism, carry described material strips.Can to described material strips, analyze by least two kinds of different frequencies thus, thereby occur significantly different measuring-signals in the reaction of the existence of the variation in bar uniformity or foreign matter or object.If such as using micro-strip measurement mechanism and capacitive high frequency bar measurement mechanism, so also can be such as the share of different compositions that detects described material strips in the section of dead zone be such as humidity and softening agent input quantity and such as the density of bar for filtering rod.
Because described material strips is successively passed from described two bar measurement mechanisms, so preferably stipulate, in order to test and assess, the temporal movement by least one measuring-signal in described measuring-signal or the test and appraisal of staggering in time between described measuring-signal due to the spacing existing along bar throughput direction between described measurement mechanism in the situation that depend on that the temporal offsetting that current material strips transporting velocity occurs proofreaies and correct.As an alternative, also can correspondingly individually to single measuring-signal, process and make described measurement result interrelated with the bar segmentation that has produced accordingly corresponding measuring-signal.
Dead zone section algorithm and object algorithm also refer to, for the different measuring-signal in described dead zone section and object section of described two bar measurement mechanisms by the algorithm differing from one another for testing and assessing.Especially when using micro-strip measurement mechanism and capacitive high frequency bar measurement mechanism, will show that the test and appraisal parameter of sening as an envoy to is adapted to the situation of the feature of described microwave measurement signal and high frequency (HF) measuring-signal personalizedly.
Advantageously by variable frequency, move at least one measurement mechanism in described measurement mechanism, wherein in described object section, use and test and appraisal and frequency different in the section of described dead zone.In this way, can such as for the section of described dead zone about humidity ratio or material strips of amount of additive or the measurement of density realize optimize and in described object section about the position measurement of described object or its other parameter such as damage situation, compactedness and big or small aspect realize and optimizing.
Preferably at least temporarily move especially micro-strip measurement mechanism of article one measurement mechanism with second measurement mechanism especially high frequency bar measurement mechanism simultaneously, described in the frequency ratio of wherein said article one measurement mechanism the frequency of second measurement mechanism large factor 10 to 900.Obtain in this way the more information about material strips and content thereof, described information is for identifying bar heterogeneity or other strip material characteristic.
Preferably in the section of described dead zone, determine especially extraly the especially amount of softening agent of humidity and/or additive.In the section of described dead zone, not only identify thus bar heterogeneity such as the variation of the structure that causes filtering rod of object foreign matter or landing or that put into mistakenly or softening agent and cause thus the not spendable droplet of filtering rod to form, and detecting the amount of humidity and/or additive simultaneously.This also can carry out in the scope of two kinds of detecting and evaluating algorithms for dead zone section that simultaneously utilize.Therefore a kind of heterogeneous algorithm is such as threshold value given in advance only, when surpassing described threshold value, exist bar heterogeneity and about internal substance measurement, carry out known combined type and measure, from measuring, described combined type detects the amount of the different internal substance of described material strips, or this can carry out together, wherein such as the threshold value for bar heterogeneity is identified, also depend on the general uniformity of the material strips of described dead zone section.
Preferably in described object section, determine extraly the lacking of object, density, quality and/or damaged condition.
Task of the present invention is also by a kind of object of especially putting into for identifying the bar heterogeneity of the material strips of the tobacco industry, the device of defective object and/or foreign matter is resolved, this device has object embedding device, by means of described object embedding device object, on predetermined object space, can put into or put into material strips especially tobacco rods or filtering rod, wherein along the throughput direction of described material strips in the arranged downstream of described object embedding device at least two bar measurement mechanisms that the different frequency of use is moved or can be moved, described measurement mechanism is especially merged into combined strip measurement mechanism, by described combined measuring device, successively can carry or carry described material strips Y, comprising assessment device, this assessment device is configured to for the measuring-signal of described measurement mechanism is tested and assessed, described material strips is divided into and comprises respectively the object section of one or more predetermined object space and without the dead zone section of predetermined object space, the improvements of described device are, described assessment device is configured to different assessment methods, the measuring-signal in described object section and dead zone section be tested and assessed respectively, wherein in order to test and assess, in described object section, with a kind of object algorithm, in the temporal variation of at least one measuring-signal from described measuring-signal, object is carried out to location positioning and/or quality monitoring, and in the section of described dead zone, use at least one dead zone section algorithm, with described dead zone section algorithm, identify the especially amount of softening agent of bar uniformity in bar heterogeneity and/or test material bar and/or at least one additive in material strips.
Thus, described device is especially configured to implement described above by method of the present invention.The advantage of mentioning about described method, characteristic and feature thereby be also applicable to described by device of the present invention.
Preferred at least one measurement mechanism is configured to micro-strip measurement mechanism and/or at least one measurement mechanism is configured to capacitive high frequency bar measurement mechanism.
Equally advantageously at least one measurement mechanism in described measurement mechanism is configured to move by variable frequency, and wherein said control device or assessment device are configured in described object section, use from frequencies different in the section of described dead zone and move the bar measurement mechanism that the variable frequency of described use is moved.The measurement of thus can the variable bar measurement mechanism of frequency of utilization carrying out matches with the desired measurement parameter for described object section and dead zone section best.
Preferred described device is configured to carry out described above by method of the present invention.
Task of the present invention also a kind of set frame by the tobacco industry especially tobacco rods maker or filtering rod maker be resolved, described set frame has by device described above of the present invention.Described set frame has feature, advantage and the characteristic identical with device described above and method described above thus.
In addition, task of the present invention is by being resolved at least two kinds of different detecting and evaluating algorithms for this purposes that the measuring-signal of the different section of the material strips at the tobacco industry of bar measurement mechanism is tested and assessed, wherein on specific object space, object is put in described material strips, wherein in order testing and assessing, described material strips to be divided into and to comprise respectively the object section of one or more predetermined object space and without the dead zone section of predetermined object space, wherein in described object section, use object algorithm, in the temporal variation of at least one measuring-signal with described object algorithm from described measuring-signal, object is carried out location positioning and/or quality monitoring and in the section of described dead zone, uses at least one dead zone section algorithm, with described dead zone section algorithm, detect the especially amount of softening agent of bar heterogeneity in described material strips and/or bar uniformity and/or at least one additive.
Finally, task of the present invention is resolved by a kind of software program with program code segments, while carrying out at assessment device especially computer especially microcontroller, by device described above of the present invention by means of described program code segments, carries out by method described above of the present invention.
Described purposes and described software program have and identical feature, advantage and the characteristic relevant with the present invention of method and apparatus as described above thus.
Further feature of the present invention can be from finding out together with claim and accompanying drawing by the description of embodiments of the present invention.By embodiments of the present invention, can realize the combination of single feature or a plurality of features.
Accompanying drawing explanation
In the situation that do not limit general inventive concept, by means of embodiment, with reference to accompanying drawing, the present invention will be described below, wherein about all in explanatory note, do not explain in detail by details of the present invention please clearly with reference to accompanying drawing.Accompanying drawing illustrates as follows:
Fig. 1 is the schematic diagram of cigarette-making machine of the applicant's type " PROTOS ";
Fig. 2 is a pair of by the schematic cross-sectional illustration of of the present invention measurement mechanism;
Fig. 3 is a pair of by the schematic perspective view of of the present invention measurement mechanism;
Fig. 4 is the schematic diagram that signal is processed;
Fig. 5 is another schematic diagram of processing by signal of the present invention; And
Fig. 6 is the schematic diagram by device of the present invention.
In the accompanying drawings, corresponding identical or similar element and/or parts represent with identical Reference numeral, thereby correspondingly do not do the introduction that repeats.
reference numerals list:
1 machine
2 set frames
3 filter tip attachments
4 dispenser units
5 predistribution devices
Article 6, conveyer
7 coated papers unit
8 opium pipe unit
9 measurement mechanisms
10 blades and deliver unit
11 control panels
12 tipping paper unit
20 combined strip measurement mechanisms
21 common housings
23 protection tubes
30 micro-strip measurement mechanisms
31 microwave resonators
32 microwave resonator housings
33 coupling input aerials
34 coupling output antennas
The flange of 35 tapers
36 undercutting positions
37 measure-, temperature control-and drive electronic equipment
40 capacitive high frequency bar measurement mechanisms
41 measure capacitor
42 capacitor casing
43,44 electrode surfaces
The flange of 45 tapers
46 undercutting positions
47 measure-, temperature control-and drive electronic equipment
The measuring-signal of 51 article one measurement mechanisms
The measuring-signal of 52 second measurement mechanisms
53 moving algorithms (Schiebealgorithmus)
54 test and appraisal
55 machine beats
61 object sections
62 dead zone sections
The 63 measuring-signal amplitudes with object
The 64 measuring-signal amplitudes without object
65, the boundary of 66 object sections
The boundary of 67 ,68 dead zone sections
71 material strips
72 objects of putting into
73 defective objects
74 foreign matters
Article 75, throughput direction
80 devices
81 input and display unit
82 equipment control devices
83 assessment devices
85a object algorithm
85b bar consistency algorithm
85c foreign matter algorithm
86 algorithms are selected and switching mechanism
88 impulsers
90 control signals for switching
91 cutoff signals.
The specific embodiment
Fig. 1 schematically shows the two bar-cigarette-making machines from the type of the applicant's company " PROTOS ", and this pair of bar-cigarette-making machine is comprised of two bar makers 2 and a filter tip attachment 3 in " L shaped " configuration.Figure 1 illustrates described machine 1 together with closed cover plate, details is not shown for simplicity's sake.
Introduce briefly several stations of cigarette manufacture below.The manufacture process of two continuous tobacco rods has in two dispenser units 4 along separate routes of predistribution device 5 and is starting in described pair of bar maker 2, and described predistribution device 5 especially comprises that a high inclination angle conveyer and two stow pit shaft and other known assembly.Wherein loose tobacco-containing material is flowed to one first and one the second conveyer 6 stretching abreast and from being shaken loose described conveyer below, thereby form two tobacco rods, by means of air amount, described two tobacco rods are remained on described conveyer.In the situation that being attached on described conveyer 6, described tobacco-containing material is carried towards the direction of the first and second opium pipe unit 8.There, in coated papers unit 7, by coated papers, bring still unlimited tobacco rods of winding respectively, longitudinally on seamed edge, giving described wrapping paper tape gluing.Subsequently described tobacco rods being configured as in two opium pipe unit 8 to two tobacco rods of continuous sealing and sizing materials of described lapping band with circular cross section solidifies.
After the shaping of described tobacco rods, by thering is one or more measurement mechanism 9 for measuring unit that the characteristic of corresponding tobacco-containing material bar is measured, carry out tobacco rods described in delivery.Therefore such as the mode with optics checks and measure bar humidity and rod density to described coated papers.Control for two bar makers 2 is undertaken by control panel 11.
Outlet side described pair of bar maker 2 has blade and delivers unit 10, at described blade and in delivering unit, described sizing blocked for the single tobacco rods with the use length of many times, make single tobacco rods turn to as the throughput direction of X direction and be transferred to described filter tip attachment 3 from the throughput direction of Y.Described filter tip attachment 3 especially also has tipping paper unit 12, the tipping paper of leaving behind, it is cut and gluing from this tipping paper unit 12.Next in the region of regulation, the single tipping scraps of paper are wound around round described tobacco rods and double filtration plug, by described tobacco rods and double filtration plug are joined to one another.Finally the central dual cigarette to production like this, cut and it is individually transported.
In Fig. 2, with cross section, schematically show the combined strip measurement mechanism 20 that can use by the present invention.This combined strip measurement mechanism 20 has a common housing 21; the protected pipe 23 of this housing therefrom passes; by described protection tube, come delivery material strips such as filtering rod or tobacco rods, first wherein said material strips entered pipe and 22 enters by having the bar of the interior diameter of taper before it passes from described protection tube 23.
Described combined strip measurement mechanism 20 successively has micro-strip measurement mechanism 30 and capacitive high frequency bar measurement mechanism 40 everywhere mutually along bar throughput direction.Described micro-strip measurement mechanism 30 such as be equivalent to as the applicant be numbered described in 10 2,011 083 049.9 German patent application micro-strip measurement mechanism.This micro-strip measurement mechanism has microwave resonator 31 in microwave resonator housing 32.For be coupled input and coupling output in 5 and 9GHz between frequency range in coupling input aerial 33 and the coupling output antenna 34 of microwave extend into described microwave resonator 31.Described microwave resonator 31 is configured as cylindricality substantially, and wherein said protection tube 23 passes at center from the microwave resonator 31 of described cylindricality.Round described protection tube 23 center, having the flange 35 of two tapers, its effect in being numbered 10 2,011 083 049.9 German patent application, described equally and its therewith relevant disclosure should together cover in the application.Along bar direction, in flange 35 downstream and the upstream of described taper, there is undercutting position 36, the interior diameter at described undercutting position is widened once again with respect to the tip of the flange 35 of described taper, this causes this point, and described microwave field that is to say along the direction of described material strips and out and especially do not enter into widely ensuing capacitive high frequency bar measurement mechanism 40 along axial direction.
Described common housing 21 comprises a plurality of cavitys with measurement, temperature control and drive electronic equipment 37 in addition about described micro-strip measurement mechanism 30, and described measurement, temperature control and drive electronic equipment are integrated in described micro-strip measurement mechanism 30 thus.This has additional advantage, and described drive electronic and measurement device have the temperature identical with described microwave resonator 31 and thus whole micro-strip measurement mechanism 30 produced to temperature regulating effect.
Described ensuing capacitive high frequency bar measurement mechanism 40 has the capacitor 41 of measurement, and this measurement capacitor has capacitor casing 42 and electrode surface 43,44.High-frequency ac voltage in scope between 10MHz and about 500MHz is loaded on described electrode surface 43,44.A kind of corresponding capacitive high frequency bar measurement mechanism is disclosed from being numbered 10 2,011 083 052.9 German patent application of the applicant, its therewith relevant disclosure should cover by reference in current patent application equally.Described capacitive high frequency bar measurement mechanism 40 also has the flange 45 of taper about described electrode surface 43 and 44, with the flange 45 of described taper, the geometry of described measurement capacitor 41 and the geometry of described microwave resonator 31 are matched.The measuring-signal of described micro-strip measurement mechanism 30 and described capacitive high frequency bar measurement mechanism 40 thus also about described microwave resonator 31 and measure capacitor 41 and the geometry of alternating electromagnetic field can be directly compared to each other thus.The described flange 45 with the taper at corresponding undercutting position makes described radio-frequency field in this case also from described measurement capacitor 41, out and especially not enter into widely described microwave resonator 31 along the axial direction of material strips.
Described capacitive high frequency bar measurement mechanism 40 also has measurement, temperature control and the drive electronic equipment 47 in the cavity that is integrated in described common housing 21.All drive electronic equipment of whole combined strip measurement mechanism 20, measurement electronic equipment and temperature control are all integrated in described combined strip measurement mechanism 20 thus.
In Fig. 3, with perspective view, schematically show the combined strip measurement mechanism 20 of Fig. 2.Described in seeing, observer there is the front that micro-strip measurement mechanism 30 and bar enter pipe 22 and combined strip measurement mechanism 20 that can observable protection tube 23 inside.After described combined strip measurement mechanism 20, there is described capacitive high frequency bar measurement mechanism 40.Single housing is connected to become a common housing.
Figure 4 illustrates the first aspect that the signal of the measuring-signal 51,52 of article one measurement mechanism and second measurement mechanism is processed.These measuring-signals can be from dissimilar bar measurement mechanism or the bar measurement mechanism moving from the different frequency of the use of two same types.First the section with object of material strips passes from article one measurement mechanism, the first measuring-signal 51 of this article one measurement mechanism has a kind of signal intensity curve, and the second measuring-signal 52 of second measurement mechanism that is arranged in the downstream of described article one measurement mechanism has temporal offsetting Δ t with respect to described signal intensity curve.For these measuring-signals are tested and assessed, in being especially configured to digital signal handling equipment and being especially configured to the assessment device of computer, with moving algorithm (Schiebealgorithmus) 53, eliminate this temporal offsetting, thereby after using described moving algorithm 53, described two measuring-signals 51,52 are matched in time each other.Then by these, the measuring-signal 51,52 through overcorrect flows to assessment device 54.Also to further to described, by test and appraisal of the present invention, describe below.Not only for described test and appraisal but also for the correction of described movement described temporal offsetting in other words, all use machine beat 55.
The temporal change curve that figure 5 illustrates measuring-signal 51, the amplitude of this temporal change curve is subject to having or not in described material strips the impact of the situation of object.Therefore the measuring-signal amplitude 64 that higher measuring-signal amplitude 63 is corresponding and lower with described object is corresponding with the empty section of material strips.Because equipment control device has about object and should be present in which section of described material strips and should not be the information of this situation in which section, so in order to test and assess by measuring-signal 51 to object section 61He dead zone section 62, wherein at object section 61 described in embodiment illustrated in fig. 5, comprise respectively two parts that comprise the intermediate gaps between described object section 61 in object wherein and described dead zone section 62.Described dead zone section 62 does not comprise whole intermediate gaps between described object section 61 in this case, but comprise some corresponding sections, object described in these corresponding sections to the lingering effect of measuring-signal in decay, thereby in described dead zone section 62, can expect the signal intensity curve of substantial constant.Therefore, described object section 61 and described dead zone section 62 have different boundary 65-68.In described dead zone section 62, avoided in this way the violent signal amplitude fluctuations causing due to object.According to the present invention, in described dead zone section 62, use and different detecting and evaluating algorithms in described object section 61.This not only relates to surveys this aspect by different boundary values for the bar heterogeneity to material webs or coherence measurement situation, and relates to the concrete accurate location positioning in the scope of desired novelty of put into object.
Fig. 6 schematically shows by device 80 of the present invention, by means of described device 80, can identify bar heterogeneity.At this by such as carrying the material strips 71 with the object 72 of putting into along bar throughput direction 75 at the combined strip measurement mechanism 20 with micro-strip measurement mechanism 30 and capacitive high frequency bar measurement mechanism 40 shown in Fig. 2 and 3.As extra heterogeneity, show foreign matter 74.In addition object 73 defectiveness.At this this object, such as being capsule, this capsule has damaged and has lost its liquid content.This object can produce the measuring-signal amplitude less than unspoiled object 72 in pressing the measuring-signal change curve of Fig. 5 in tip.
Described device 80 has input and the display unit being connected with described equipment control device 82.Described equipment control device 82 especially receives signal from impulser, and described impulser can be displacement transducer, angular transducer or the similar sensor of high precision.Described equipment control device 82 also has machine cadence signal, conventionally with described machine cadence signal, makes different strip device component synchronization processed to needing in the length of the material strips segmentation that sizing blocks.
Be provided with assessment device 83, this assessment device also can be integrated in the data processing equipment of described equipment control device 82.Described assessment device 83 is data processing equipment especially, computer especially namely, software program for execution on described computer, described software program can have algorithms of different, namely object algorithm 85a, bar consistency algorithm 85b and foreign matter algorithm 85c.Also can use other algorithm such as moving algorithm, described moving algorithm is used described machine beat.Use continuously the latter.In addition be provided with that algorithm is selected and switching mechanism 86, by means of this algorithm select and switching mechanism to have bar segmentation to be analyzed be that dead zone section or the situation of object section are selected according to current, should be by which kind of detecting and evaluating algorithms for this section.
For this reason, described algorithm is selected and switching mechanism 86 is connected with impulser 88 on the one hand, and described algorithm is selected and switching mechanism 86 receives for switching from described equipment control device 82 on the other hand control signal 90 and cutoff signal 91, for being identified for the accurate timing of described object section and described dead zone section.Describedly for the control signal 90 of switching, comprise the information that also relates to object areas section this respect about relating to dead zone section.In addition, described assessment device 83 obtain about object should on which position the information of this respect.Described object algorithm 85a can be for checking thus, and whether object is arranged on the position of regulation within the boundary that can allow.
Other algorithm 85b, 85c are used for finding foreign matter, especially the object of metallic particles, landing or the droplet of softening agent or about the density in tobacco rods or filtering rod, humidity and such as the softening agent input quantity in filtering rod is implemented coherence measurement and it is checked.
Location positioning in described object section and in described object algorithm 85a is undertaken by the analysis of the temporal change curve of one or two measuring-signals for described measurement mechanism.Therefore, as a measure can be within specific boundary the temporal change curve of described measuring-signal given in advance, if thereby the concrete measuring-signal in described object section do not surpass in time variable and on standards change curve and under upper boundary and Lower Limits, this situation is predicated and meets standard, thereby determined by this way object space.Also can determine rapidly the maximum of described signal.Can analyze the rising edge of corresponding measuring-signal and trailing edge equally, for determining described object space.Corresponding method is known.First the method with that standards change curve is described, the given in advance change curve with the upper boundary correspondingly changing and Lower Limits of describing, also considers the fluctuation with the small fluctuating range short time and high frequency occurring for corresponding measuring-signal in signal.Corresponding to the predetermining of standards change curve of actual change curve of following in other words the measuring-signal of the object of placing for the ideal of material strips, can be for described object carries out location positioning at this, the traditional application scheme that surpasses manner of comparison by threshold value can not be carried out described location positioning.
All features of mentioning, also comprise that the feature only learnt from accompanying drawing and single disclosed feature in the combination of the feature with other are all individually and in combination, be regarded as important for purposes of the invention feature.By embodiments of the present invention, can realize by the combination of single feature or a plurality of features.
Claims (20)
1. for identifying the bar heterogeneous (72 of the material strips (71) of the tobacco industry, 73, 74) object of especially putting into (72), the method of defective object (73) and/or foreign matter (74), the bar measurement mechanism (30 of wherein on predetermined object space, object (72) being put in material strips (71) and being put into described object (72) and move by least two different frequencies of use afterwards, 40) carry out Y and carry described material strips (71), wherein for to measuring-signal (51, 52) test and assess and described material strips (71) is divided into and comprises respectively the object section (61) of one or more predetermined object space and without the dead zone section (62) of predetermined object space, it is characterized in that, use respectively different assessment methods to described measurement mechanism (30, 40) the measuring-signal (51 in described object section (61) and dead zone section (62), 52) test and assess, wherein in described object section (61) with object algorithm (85a) from described measuring-signal (51, 52) in the temporal variation of at least one measuring-signal in, at least one object (72) is carried out to location positioning and/or quality monitoring and at least one dead zone section algorithm (85b of use in described dead zone section (62), 85c), with described dead zone section algorithm (85b, 85c) identify bar heterogeneity (72, 73, 74), and/or detect bar uniformity in described material strips (71) and/or the amount of at least one additive.
2. by method claimed in claim 1, it is characterized in that, as bar measurement mechanism, by least one micro-strip measurement mechanism (30) and/or by least one capacitive high frequency bar measurement mechanism (40), carry described material strips (71).
3. by method claimed in claim 1, it is characterized in that, in order to test and assess, by the temporal displacement of at least one measuring-signal in described measuring-signal (51,52) or the test and appraisal of staggering in time, between described measuring-signal (51,52) due to the spacing existing along bar throughput direction (75) between described measurement mechanism (30,40) in the situation that depend on that the temporal offsetting that current material strips transporting velocity occurs proofreaies and correct.
4. by method claimed in claim 1, it is characterized in that, by variable frequency, move at least one measurement mechanism in described measurement mechanism (30,40), wherein in described object section (61), use and/or test and appraisal and frequency different in described dead zone section (62).
5. by method claimed in claim 1, it is characterized in that, at least temporarily move especially micro-strip measurement mechanism (30) of article one measurement mechanism with second measurement mechanism simultaneously, described in the frequency ratio of wherein said article one measurement mechanism the frequency of second measurement mechanism large factor 10 to 900.
6. by method claimed in claim 5, it is characterized in that, described second measurement mechanism is configured to high frequency bar measurement mechanism (40).
7. by method claimed in claim 1, it is characterized in that, in described dead zone section (62), determine extraly additive especially humidity and/or the amount of softening agent.
8. by method claimed in claim 1, it is characterized in that, in described object section (61), determine extraly the lacking of object (72), density, quality and/or damaged condition.
9. by method claimed in claim 1, it is characterized in that, described material strips (71) is tobacco rods or filtering rod.
10. by method claimed in claim 1, it is characterized in that, the bar measurement mechanism (30,40) that described two different frequencies of use are moved is merged into a combined strip measurement mechanism (20).
11. for identifying the bar heterogeneous (72 of the material strips (71) of the tobacco industry, 73, 74) device (80), there is object embedding device, by means of described object embedding device object (72) on predetermined object space, can put into or put into material strips, wherein along the throughput direction (75) of described material strips (71) in the arranged downstream of described object embedding device at least two bar measurement mechanisms (30 that the different frequency of use is moved or can be moved, 40), by described measurement mechanism, successively can carry or carry described material strips (71) Y, comprising assessment device (83), this assessment device is configured to for to described measurement mechanism (30, 40) measuring-signal (51, 52) test and assess and described material strips (71) is divided into and comprises respectively the object section (61) of one or more predetermined object space and without the dead zone section (62) of predetermined object space, it is characterized in that, described assessment device (83) is configured to use respectively different assessment methods to the measuring-signal (51 in described object section (61) and dead zone section (62), 52) test and assess, wherein in order to test and assess in described object section (61) with a kind of object algorithm (85a) from described measuring-signal (51, 52) in the temporal variation of at least one measuring-signal in, object (72) is carried out to location positioning and/or quality monitoring and at least one dead zone section algorithm (85b of use in described dead zone section (62), 85c), with described dead zone section algorithm, identify bar heterogeneity (72, 73, 74) and/or detect bar uniformity in described material strips (71) and/or the amount of at least one additive.
12. by the device (80) described in claim 11, it is characterized in that, at least one measurement mechanism (30,40) is configured to micro-strip measurement mechanism (30) and/or at least one measurement mechanism (30,40) is configured to capacitive high frequency bar measurement mechanism (40).
13. by the device (80) described in claim 11, it is characterized in that, at least one measurement mechanism in described measurement mechanism (30,40) is configured to move by variable frequency, and wherein control device (82) or described assessment device (83) are configured to use in described object section (61) from frequencies different in described dead zone section (62) and move the bar measurement mechanism (30,40) that the variable frequency of described use is moved.
14. by the device (80) described in claim 11, it is characterized in that, this device is configured to carry out by the method described in any one in claim 1 to 10.
15. by the device (80) described in claim 11, it is characterized in that, described heterogeneity is the object (72) of putting into, defective object (73) and/or foreign matter (74).
16. by the device (80) described in claim 11, it is characterized in that, described material strips is tobacco rods or filtering rod.
The set frame of 17. the tobacco industries (2), has by the device described in any one in claim 11 to 16 (80).
18. by the set frame (2) described in claim 17, it is characterized in that, described set frame is tobacco rods maker or filtering rod maker.
19. by least two kinds of different detecting and evaluating algorithms (85a, 85b, 85c) for to bar measurement mechanism (30, 40) the different section (61 of the material strips at the tobacco industry (71), 62) measuring-signal (51 in, 52) purposes of testing and assessing, wherein on specific object space, object (72) is put in described material strips (71), wherein in order testing and assessing, described material strips (71) to be divided into and to comprise respectively the object section (61) of one or more predetermined object space and without the dead zone section (62) of predetermined object space, wherein in described object section (61), use a kind of object algorithm (85a), with described object algorithm from described measuring-signal (51, 52) in the temporal variation of at least one measuring-signal in, object (72) is carried out to location positioning and/or quality monitoring and at least one dead zone section algorithm (85b of use in described dead zone section (62), 85c), with described dead zone section algorithm, detect the bar heterogeneous (72 in described material strips (71), 73, 74) and/or the amount of bar uniformity and/or at least one additive.
20. have the software program of program code segments, by means of described program code segments, when the assessment device (83) of the device (80) described in any one by claim 11 to 16 is above carried out, carry out by the method described in any one in claim 1 to 10.
Applications Claiming Priority (2)
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| DE102012209954.9 | 2012-06-14 | ||
| DE102012209954A DE102012209954A1 (en) | 2012-06-14 | 2012-06-14 | Method and device for detecting strand inhomogeneities of a material strand of the tobacco processing industry |
Publications (2)
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| CN103504473A true CN103504473A (en) | 2014-01-15 |
| CN103504473B CN103504473B (en) | 2017-12-19 |
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| CN201310235096.5A Active CN103504473B (en) | 2012-06-14 | 2013-06-14 | The method and apparatus that the bar heterogeneity of the material strips of the tobacco industry is identified |
Country Status (5)
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| EP (1) | EP2674044B1 (en) |
| JP (1) | JP6235803B2 (en) |
| CN (1) | CN103504473B (en) |
| DE (1) | DE102012209954A1 (en) |
| PL (1) | PL2674044T3 (en) |
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| CN109564192A (en) * | 2016-08-15 | 2019-04-02 | 虹霓机械制造有限公司 | The measuring device and method of conducting element in product and the machine for manufacturing the tobacco industry product for identification |
| CN111787816A (en) * | 2018-03-06 | 2020-10-16 | 虹霓机械制造有限公司 | Suction belt conveyor and rod making machine of tobacco processing industry and use of measuring device in suction belt conveyor of rod making machine |
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| DE102011083051A1 (en) * | 2011-09-20 | 2013-03-21 | Hauni Maschinenbau Ag | Mikrowellenresonatorgehäuse |
| DE102011083049A1 (en) * | 2011-09-20 | 2013-03-21 | Hauni Maschinenbau Ag | Microwave leg metering device |
| DE102013223535A1 (en) | 2013-11-19 | 2015-05-21 | Hauni Maschinenbau Ag | Method and device for detecting strand inhomogeneities of a material strand of the tobacco processing industry |
| DE102014212497A1 (en) | 2014-06-27 | 2015-12-31 | Hauni Maschinenbau Ag | Method and device and machine for the production of a filter rod of the tobacco processing industry |
| DE102015119453B4 (en) | 2015-11-11 | 2017-06-22 | Hauni Maschinenbau Gmbh | Apparatus and method for determining the proportion of at least one additive in a tobacco-containing substance, and machine of the tobacco-processing industry |
| DE102016114642A1 (en) | 2016-08-08 | 2018-02-08 | Hauni Maschinenbau Gmbh | Method and device for detecting and / or testing an object inserted into a rod-shaped or strand-shaped product of the tobacco-processing industry |
| DE102017101825A1 (en) | 2017-01-31 | 2018-08-02 | Hauni Maschinenbau Gmbh | Method and apparatus for monitoring and manufacturing a filter string of the tobacco processing industry |
| CN111968094A (en) * | 2020-08-18 | 2020-11-20 | 创新奇智(西安)科技有限公司 | Rod defect detection method and device, electronic equipment and readable storage medium |
| DE102021110760A1 (en) * | 2021-04-27 | 2022-10-27 | Tews Elektronik Gmbh & Co. Kg | Method for measuring an additive content in tobacco paper for electronic cigarettes |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6235803B2 (en) | 2017-11-22 |
| EP2674044B1 (en) | 2015-10-07 |
| DE102012209954A1 (en) | 2013-12-19 |
| CN103504473B (en) | 2017-12-19 |
| EP2674044A1 (en) | 2013-12-18 |
| JP2014000077A (en) | 2014-01-09 |
| PL2674044T3 (en) | 2016-02-29 |
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