CN103442603B - Spatially resolved measurement of at least one physical property of a rod-haped item of the tobacco processing industry - Google Patents
Spatially resolved measurement of at least one physical property of a rod-haped item of the tobacco processing industry Download PDFInfo
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- CN103442603B CN103442603B CN201280015740.1A CN201280015740A CN103442603B CN 103442603 B CN103442603 B CN 103442603B CN 201280015740 A CN201280015740 A CN 201280015740A CN 103442603 B CN103442603 B CN 103442603B
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- Prior art keywords
- rod
- measurement
- shaped products
- radiation
- physical characteristics
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B11/043—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
-
- 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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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a method for measuring at least one physical property of a rod-shaped item (11-11＂) of the tobacco processing industry conveyed at least in some sections in a conveying line (10) in a longitudinal-axis direction (23) and a corresponding measuring apparatus therefor. The method according to the invention is characterized by the following steps: conveying the rod-shaped item (11-11＂) in a longitudinal-axis direction (22) through a measurement region (13) of a measuring device (12); measuring the at least one physical property of the rod-shaped item (11-11＂), wherein the measurement is performed in the direction of a longitudinal axis (26) of the rod-shaped item (11-11＂) in a time-resolved manner, such that a time-resolved measurement signal (35) is produced; performing a position detection (36) of the rod-shaped item (11-11＂) while the rod-shaped item (11-11＂) is conveyed through the measurement region (13); associating the detected position with the time-resolved measurement signal (35) in order to form a spatially resolved measurement signal (29, 37). The measuring apparatus according to the invention comprises a first measuring device (12), which performs a time-resolved measurement (35) of the physical property of the rod-shaped item (11-11＂) in a measurement region (13), through which the rod-shaped item (11-11＂) can be conveyed, and a second measuring device (20, 20', 21, 21'), which performs a position detection and/or speed detection of the rod-shaped item (11-11＂) in the first measurement region (13), wherein a spatially resolved measurement (29) of the physical property of the rod-shaped item (11-11＂) is or can be determined by means of an evaluating device (27) from the time-resolved measurement (35) using the position detection and/or speed detection from the second measuring device (21, 21').
Description
Technical field
The present invention relates to a kind of rod-shaped products of the direction conveying along Y-direction for the tobacco industry are at least
A kind of method that physical characteristics are measured.Additionally, the present invention relates to it is a kind of for the tobacco industry especially in delivery pipe
The physical characteristics of the rod-shaped products conveyed along the direction of Y-direction in road carry out the measuring apparatus of the measurement of locus resolution.
Additionally, the present invention relates to for the Y-direction of the tobacco industry ground system that measures of the physical characteristics of rod-shaped products that convey
The use of product speed and/or product location measurement scheme.
Background technology
Know from 2 243 384 A1 of document EP, the filter stick for being provided with pouch is checked by means of microwave, wherein
The pouch has liquid.It is described to check the conveying rod-shaped system of Y-direction between filter stick dispensing device and filter stick reception device
Carry out during product and more specifically especially brake roller pair and accelerate roller pair between carry out, the brake roller to accelerate roller pair
So that the rod-shaped products by transfer pipeline especially delivery pipe conveying are separated with the filter plug reception device.In document EP 2
The measurement scheme explained in 243 384 A1 is for defective filter stick is excluded from the further course of processing.
1 397 961 B1 of document EP illustrate a kind of length of the rod-shaped products for conveying in the duct and diameter
The device for measuring, wherein must be transparent or unlimited in measured zone for pipeline this described.
34 14 247 C2 of document DE disclose a kind of product of the bar shaped or rod for the tobacco industry
The device that diameter is measured, the device is by compressed air come function.
2009/099793 A2 of document WO disclose a kind of detection system for the filter stick comprising at least one pouch
System.
The content of the invention
The task of the present invention is to improve measurement result when the rod-shaped products of Y-direction conveying of the tobacco industry are measured
Precision.
The task is by a kind of rod-shaped products, especially for conveying along the direction of Y-direction to the tobacco industry
The method that at least one physical characteristics of filter stick are measured is resolved, and the method has following methods step：
- rod-shaped products are pneumatically conveyed in the transfer pipeline of tubulose；
- rod-shaped products are carried through the measured zone of measurement apparatus along the direction of Y-direction；
At least one physical characteristics of-measurement rod-shaped products, wherein described measurement process is in time-resolved mode
Longitudinal axis along the rod-shaped products implementing, so as to the measurement signal that generation time is differentiated；
- implement during the rod-shaped products are carried through the measured zone for the position of the rod-shaped products
Put detection；
- the time-resolved measurement signal is distributed in detected position, so as to form locus resolution
Measurement signal.
It is preferred that the direction along Y-direction in transfer pipeline conveys the rod-shaped products.Here, especially described bar-shaped
The physical characteristics of the rod-shaped products are measured in the range of the length of product.Such as rod-shaped products can be segmented filter plug simultaneously more
And the physical characteristics can be the length of the corresponding filter sections, positioning of corresponding filter sections, corresponding
The humidity of filter sections, the loadings with the filling of such as activated carbon pellet, in predetermined especially optical wave-length coverage
Absorbability, optical apparent condition, with liquid load pouch position and/or filling state and/or two filter point
The physical characteristics are especially measured by the possible spacing between section in time-resolved mode.Along conveying direction
When that is conveying the rod-shaped products from the side along the direction parallel with the longitudinal axis of the rod-shaped products, with described
Rod-shaped products enter in measured zone until out corresponding physical characteristics are measured from the measured zone and
The temporal change of record measurement signal.This time-resolved measurement signal is now for can not be straight for traditional measurement
The precision for connecing the accurate locus in the direction along Y-direction distributed in rod-shaped products this respect in other words is received
Restriction is arrived.Its reason is, when the product Y-direction is carried through the measured zone in the situation for not having to guide
It is lower that the rod-shaped products are carried through into the measured zone.Due to such as unknown air pressure situation or also due to limit
Possible contact of the boundary such as between tube wall is collided in other words, the conveying of the product by transporting velocity in terms of fail to understand
Really, because the product was braked at the unknown moment.
This causes unknown interference when measuring the physical characteristics on the accurate position of the rod-shaped products.Therefore,
The pouch being such as added in filter stick cannot be accurately obtained along the relative position in the direction of Y-direction by which
Explanation.In order to reduce this unreliability, it is proposed, according to the invention, in the mistake that the rod-shaped products are carried through the measured zone
In journey the rod-shaped products are carried out with position detection and the time-resolved measurement letter is distributed in detected position
Number, so as to form the measurement signal that the locus with higher precision are differentiated.This concept of preferred allocation is the present invention's
In the range of refer to connection and/or change.Detect here preferably at least in period that can be previously given in other words in the position
For the first measurement apparatus measured zone can be previously given section carrying out in fact, by means of the described first measurement dress
The physical characteristics for putting to measure the product.The position detection is preferably continuously carried out.It is preferred that the position detection is arranged and is used
Compensate in the measurement error to being caused by the velocity variations of corresponding product.
Measure in the measured zone of the measurement apparatus described preferred to the rod-shaped products carry out position detection
The VELOCITY DISTRIBUTION of rod-shaped products.It is a kind of as an alternative or the feasible program of additional project is, with for the bar-shaped system
The position of product is detected to produce clock pulses, by the clock pulses for the time-resolved measurement.In the scope of the present invention
Interior, the generation of clock pulses is also referred to for the triggering of measurement apparatus the first measurement apparatus in other words, and here is filled with the measurement
Put in other words the first measurement apparatus measuring the physical characteristics.For in order to the rod-shaped products are carried out with position detection and
For measuring VELOCITY DISTRIBUTION such case of the rod-shaped products in the measured zone of the measurement apparatus, can be by the speed
Distribution hands to analytical equipment as distribution curve, and the analytical equipment makes the time-resolved measurement signal and the speed
Distribution is overlapping to implement conversion in other words.For this purpose, such as can be by the time-resolved measurement signal and the VELOCITY DISTRIBUTION phase
Take advantage of.It is possible thereby to compensate to possible measurement error.
For with for the rod-shaped products position detection come produce for time-resolved measurement clock pulses this
For the situation of kind, than clock pulses as will be described for the time-resolved measurement signal is converted directly into signal, the letter
Number mouth position is filtered equivalent to corresponding.Thus directly form the measurement signal that locus are differentiated.
It is preferred that the physical characteristics are the characteristics of geometry, the especially length of the rod-shaped products, the rod-shaped products
The position of the pouch in the position of the filtering plug in diameter, the rod-shaped products and/or the rod-shaped products.The physical characteristics
It can also be one of characteristic mentioned above.Such as here can also be that the humidity of filter stick uses corresponding mixture in other words
Degree of filling.
Filtering plug also refers to filter sections within the scope of the invention.
Preferably for the physical characteristics measurement by means of electromagnetic radiation, especially light radiation, infrared radiation（IR spokes
Penetrate）, microwave radiation, ultraviolet radiation（UV is radiated）Or X-radiation, radioactive radiation and/or by means of sound or pressure
Contracting air and/or in the way of magnetic, electric capacity or sensing carrying out.
It is preferred that the position is detected by means of electromagnetic radiation especially in the range of optical, ultrared or ultraviolet
Carry out.For in this case, the position detection especially easily can such as pass through at least one row scan camera shooting head
Setting carrying out, the row scan camera shooting head along Y-direction direction relative to the rod-shaped products conveying direction determining
To.As row scan camera shooting head, Portugal Madeira is such as considered（Madeira）9020-105 Funchal, Madeira
The row scan camera shooting head of the Awaiba Lda Firma companies of Technopolo, such as row scan camera shooting head DR-2 × 4k-7 should
Row scan camera shooting head can realize 0.1mm for the filter stick of 160mm length such as on the rod-shaped products of the tobacco industry
Certainty of measurement.The sample rate of the row scan camera shooting head is 160,000 samplings per second in double mode.Thus produce described
The maximum delivery speed in 16 meters per second of the direction along Y-direction of rod-shaped products, this is sent for the current filter stick that can be buied
It is enough for device/reception device.Can also be using other so-called high speed line scan sensors of Awaiba companies
（Dragster-Linescan-Sensor）, such as DR-16k-3.5, DR-2 × 2k-7 or DR-2 × 8k-7.
Additionally, the task by it is a kind of for the tobacco industry especially pneumatically in transfer pipeline along the longitudinal axis
To direction conveying rod-shaped products, especially the physical characteristics of filter stick carry out the measuring apparatus of the measurement of locus resolution
It is resolved, the measuring apparatus include：First measurement apparatus, first measurement apparatus are arranged for the rod in measured zone
The time-resolved measurement of the physical characteristics of shape product, wherein described rod-shaped products can be carried through the measured zone；With
Second measurement apparatus, second measurement apparatus are arranged in first measured zone to be examined for the position of the rod-shaped products
Survey and/or velocity measuring, wherein used from the described second survey from the time-resolved measurement by means of analytical equipment
The physical characteristics of the rod-shaped products are can determine or are determined in the case of the position detection of amount device and/or velocity measuring
The measurement that locus are differentiated.
By the measuring apparatus by the present invention, can be along the direction of the Y-direction of the rod-shaped products with higher
Locus resolution is carrying out point-device measurement at least one physical characteristics of the product.The measuring apparatus are excellent
Choosing is provided with corresponding analytical equipment includes the analytical equipment in other words.
It is preferred that the analytical equipment produces the trigger for the physical characteristics are carried out with time-resolved measurement, and
And this trigger is supplied to into first measurement apparatus.Clock pulses produced by this trigger is this in other words
Can be a kind of signal, the signal such as equivalent to by the use of the row scan camera shooting head with 2,048 pixel along the longitudinal axis
To 2,048, direction produced by clock pulses, and more specifically such as every time in the rod-shaped products along institute
State that is covering a corresponding pixel in other words when one other pixel is covered in the case that row scan camera shooting head is conveyed
A signal is produced during one corresponding CCD element, and the signal is provided as clock pulses.Correspondingly such clock pulses
Can also provide in the following manner, i.e., when the row scan camera shooting head is left behind article areas no longer cover but
Discharge pixel CCD elements in other words.Corresponding trigger is provided by these clock pulses.
If now the speed of such as filter plug in the measured zone of first measurement apparatus due to encountering wall body
Change, then the filter plug in order to along the direction of Y-direction cover pixel in other words a CCD element and need ratio
Time more than in the past.Thus extend clock cycle.This clock cycle is on the one hand for the described first measurement dress
It is critically important and on the other hand also critically important for the intensity of measurement signal for the spatial position precision of the measurement put, because
It is to produce higher signal when time of measuring lasts much longer on the position of the rod-shaped products.Thus, close
Measurement signal is also carried out in this thing for measurement object i.e. rod-shaped products are in the speed of the change in measured zone
Standardization.
In order to arrange also more accurate measuring apparatus, can also arrange with more pixels such as 2 × 2,048 pixel
Or 4,096 pixel or even as high as 16, the row scan camera shooting head of 384 pixels, the row scanning of such as AWAIBA companies
Photographic head DR-16k-3.5.
But, as an alternative, the pixel of the presence of row scan camera shooting head can serve as the strong point, by the strong point
It is input to PLL（Phaselocked loop）Phase-locked loop or clock pulses duplicator in other words（Taktverfältiger）Clock in other words
In pulse generator, for producing higher clock pulses, such as double high or many times high clock pulses, so as to also exist
Produce between the pixel it is multiple can correspondingly interpolation measurement signal.Can also be swept using the row with also less pixel
Retouch photographic head and improve to carry out interpolation accordingly by clock pulses.Can also use other recording equipments, such as by
The row that light barrier i.e. minimum of three light barrier are constituted, but preferably use multiple light barriers, that is, four, five, six
It is individual, seven arrive such as 100 or more light barriers, by the signal input of the light barrier to phaselocked loop phase-locked loop in other words
In, interpolation wherein then can be correspondingly carried out between these strong points.It is preferred, however, that with accordingly higher number
The pixel also just row scan camera shooting head of such as 2,048 or more pixels.The signal of multiple pixels can also be merged, and
These signals are used as into the strong point afterwards, for being triggered by these strong points.
It is preferred that the time-resolved measures conversion for the physical characteristics is differentiated by the analytical equipment for locus
Measurement.In this case, such as by the measured zone for being carried through first measurement apparatus of the rod-shaped products
When the result that can record the VELOCITY DISTRIBUTION of the rod-shaped products and make which with the time-resolved measurement overlap.With regard to this
Have been carried out explaining before aspect.
It is preferred that first measurement apparatus are based on electromagnetic radiation, especially light radiation, infrared radiation, microwave radiation, purple
The measurement apparatus of UV radiation, X-radiation or radioactive radiation, or by means of sound or compressed air and/or with
The mode of magnetic, electric capacity or sensing is carrying out.More particularly to showing for being previously mentioned in the introduction of description in this reference
There is technology.
It is preferred that second measurement apparatus are the measurement apparatus based on electromagnetic radiation.Such as here its be it is optical measurement dress
Put.Such as the LED rows for being illuminated are provided with the side of the conveying direction of the rod-shaped products in X direction.In horizontal stroke
On opposite side axially to the conveying direction of the rod-shaped products, can be projected to by means of condenser lenses or amasthenic lens
Row scan camera shooting head CCD in other words（Charge-coupled Device）On, the CCD has longitudinal direction especially along conveying direction
Extension.Thus preferably radiation receiver is provided with second measurement apparatus, the radiation receiver is along described bar-shaped
The direction longitudinal extension of the conveying direction of product.The radiation that particularly preferably second measurement apparatus have two longitudinal extensions connects
Device is received, wherein especially the first radiation receiver is arranged in upstream and second radiation of the measured zone of first measurement apparatus
Receptor is arranged in the downstream of the measured zone of first measurement apparatus.It is possible thereby in a particularly simple way in the survey
Arrange in the range of the whole measured zone of amount device and the position of the rod-shaped products is detected.
Additionally, the task is resolved by the use of product speed and/or product location measurement scheme, the product
The survey of the physical characteristics of the rod-shaped products that speed and/or product location measurement scheme are conveyed for the Y-direction to the tobacco industry
The especially time-resolved measurement signal of amount signal is corrected or conveys for the Y-direction to the tobacco industry for triggering
Rod-shaped products the first measurement apparatus for measuring of physical characteristics.It is preferred that the product speed and/or product location measurement
Carry out during the measurement signal of the physical characteristics is detected.
It is then preferred that measuring physical characteristics and in particular described bar-shaped in the length range of the rod-shaped products
The whole length of product is triggering first measurement apparatus.
Description of the drawings
Referring to the drawings the present invention is said by means of embodiment in the case where universal inventive concept is not limited below
It is bright, wherein with regard to all details by the present invention not explained in detail in explanatory note please clearly referring to the drawings.Accompanying drawing is illustrated
It is as follows：
Fig. 1 is the top view of the signal for being arranged in the measuring apparatus on the transfer pipeline for filter stick by the present invention；
Fig. 2 is the schematic diagram of the measurement apparatus for being detected to the position of filter stick and/or speed by the present invention；
Fig. 3 is bar-like the schematic chart of the distance passed through drawn with regard to the time of product；
Fig. 4 a）It is the schematic diagram of the measurement signal drawn with regard to the time（Time-resolved measurement signal）；
Fig. 4 b）It is the schematic diagram of the corrected measurement signal drawn with regard to distance；
Fig. 5 is the schematic block diagram with regard to the measuring method by the present invention and the measuring apparatus by the present invention；And
Fig. 6 is the signal with regard to the measuring method by the present invention and the another embodiment by measuring apparatus of the invention
The block diagram of property.
In the following figures, corresponding identical or similar element and/or corresponding part identical reference
To represent, thus the corresponding introduction for repeating is not made.
Specific embodiment
Fig. 1 schematically show filter plug as such as shown in 2 243 384 A1 of EP send and
The top view of the transfer pipeline 10 of the reception device section of pipeline section in other words.In the transportation section including transfer pipeline 10, along
Conveying direction 23 carrys out conveying filterring rods 11,11 ', 11 ' '.It is a kind of corresponding for filter stick to be conveyed to the dress of filter plug hopper
Put a kind of in other words corresponding for filter stick to be conveyed to the method for filter stick hopper such as by the institute of applicant
The filter stick of meaning -3 FE of Load System FILTROMAT are known.The filter stick Load System receives the mistake of Y-direction conveying
Filter stick, accelerates the filter stick with air pressure first, then makes which by means of the brake roller 15 of the form of brake roller pair
Dynamic, then pass through acceleration roller makes which accelerate on Y-direction and subsequently deliver this to filter plug receiving station to 16.Described
In unshowned filter plug receiving station, the filter stick X direction is conveyed to into filter plug hopper.It is this by the Y-direction
The filter stick of conveying is transported in the corresponding receptacle of cylinder, and then X direction ground continues to convey which.By means of system
Dynamic roller 15 is braked and subsequently, by means of accelerating roller 16 to be accelerated, everything is for the filtration that conveys in the Y-direction
Rod 11, between 11 ', 11 ' ' arrange interval, so as to these filter sticks are reliably imported to the corresponding of the receiving station
In receptacle.
It is now know that, measure such as by 1 397 961 B1 of EP the filter stick characteristic and will be with corresponding
The filter stick of the physical characteristics not corresponded with previously given characteristic exclude from the further course of processing.Such as,
By means of by the method and apparatus of 1 397 961 B1 of EP by means of optical measurement apparatus come measure the product length and
Diameter.If desired diameter is not corresponded in other words with desired length for the length or diameter, by corresponding mistake
Removing filter-stick.
For 2 243 384 A1 of EP, by means of such as also in the application in FIG with reference 12 come table
MMU microwave measurement unit as showing is checking the quality of the filter stick of the pouch for being provided with the implant comprising liquid.For this purpose, institute
State MMU microwave measurement unit 12 and be also used as the measuring apparatus 5 by Fig. 5.
In order to record corresponding measurement signal, by filter stick 11 to 11 ' ' delivery through the miniflow measurement apparatus 12 survey
Amount region 13.In order to obtain good measurement result, the transfer pipeline 10 is such as constructed in the measured zone
The material of microwave infiltration is allowed to make by a kind of in other words by plastic tube 14.As an alternative, the pipeline is on this position
It is also configured as partly opening wide the structure such as slotted.The MMU microwave measurement unit 12 can also be replaced and optical measurement is set
Device or Infrared measuring devices are in other words based on compressed air（34 14 247 C2 of DE EP in other words are compared for this
1 397 961 B1）Or with measurement apparatus electric capacity, sensing or that similar mode is constituted.For this purpose, with reference to above institute
The description of work.
Because the filter stick is being passed through the air pressure relation in not having the fully known measured zone 13 in other words
Its speed may be changed due to the possible friction produced on wall body in the way of the measured zone 13, and more properly
Say not necessarily continuously but also can discontinuously change its speed, so for the filter stick physical characteristics measurement extremely
Few locus resolution by Y-direction is simultaneously inaccurate.Minimum is reduced in other words in order to eliminate this error
Degree, the measuring apparatus 5 by the present invention have at least one other measurement apparatus, such as photographic head row
（Kamerazeile）21, the photographic head row is arranged in the upstream of the measured zone 13, now can be with by means of the photographic head row
The VELOCITY DISTRIBUTION of filter stick that record is passed through from the measured zone 13 in other words the photographic head row can be used for it is previously given
For the clock pulses of the measurement apparatus 12.Subsequently also this to be explained in detail.
The measuring apparatus 5 also become more accurate, if also arranging another in the downstream of the measured zone 13
Photographic head row 21 '.It is also possible that arranging, i.e., only a photographic head row 21 ' is provided with the downstream of the measured zone 13.
In the embodiment in figure 1, the correspondingly cloth on the side of the transfer pipeline 10 and in the case of in parallel
The photographic head row 21,21 ' is put and with this about correspondingly arranging for this on the opposite side of the transfer pipeline 10
Illuminator 20 in other words 20 '.
Here extremely generally illustrates the combination of the illuminator 20,20 ' and corresponding photographic head row 21,21 '.More
Can find out in fig. 2 for detailed view, in fig. 2 it can be seen that in the transfer pipeline 10 and the photographic head row 21
Be provided with lens camera lens 24 in other words in other words between 21 ', for by the illuminator 20 in other words 20 ' light beam 25 assemble
To on the photographic head row 21 in other words 21 '.Also schematically show in fig. 2 the filter stick 11 longitudinal axis 26 and
Length l of the filter stick.
In order to light can accordingly pass through the transfer pipeline 10, the transfer pipeline is at least partially configured to transparent
Structure.In this embodiment, construct in the pipe for being configured to transparent structure in other words pipeline 10 two it is opposed
And the gap that Y-direction ground extends.
After the accurate position of the pouch in the such as described filter stick of the physical characteristics is measured, by the institute of the pouch
The position of measurement and if necessary by the pouch whether actually equipped with liquid in other words whether sufficiently equipped with liquid
Situation is compared with rated value.If measured signal is not in the margin of tolerance relative to rated value, that just will
Corresponding filter stick is dished out at 22.Described another advantage by measuring apparatus of the invention and in the present inventive method is present
Lie also in, due to be accurately known that the filter stick 11 ' from the measuring apparatus 5 out when speed so as to can also essence
Really determine the filter stick dish out 22 moment.In this way, the process of dishing out can be more precisely carried out,
Thus the waste product of production is little.
Fig. 3 shows the schematic of the distance passed through of the filter stick with regard to the time in the measured zone 13
Chart.The gradient of the lines for there illustrating is corresponding speed.The first reference speed is represented with 30, the first benchmark speed
It can be such as a kind of speed to spend, and the filter stick is entered in the measured zone 13 with the speed.Second is represented with 32
Reference speed, second reference speed can such as be another kind of speed, and the filter stick is with the speed from the measured zone
In 13 out.As can be seen that first reference speed is more than second reference speed.Now, illustrate in this embodiment,
The filter stick through the motion of measured zone 13 is braked twice.Folding in curve of this point by measured speed 31
Curved point in other words discontinuous place illustrating.Correspondingly, deviation 34 and 34 ' is shown in broken lines by the distance passed through, and
More specifically that is wear in other words from whole measured zone 13 in the filter stick finally in this case
It is more out-of-date to illustrate.But, difference deviation 34 ' in other words ' can also intercept at the moment before, thus entirely measuring
Measurement position on filter stick can be corrected during filter stick in other words can phase by locus resolution
Ground is answered to be adjusted the measurement signal of the measurement apparatus 12.
This point is schematically in accompanying drawing 4a）And 4b）In illustrate, in the drawings with regard to time t（Referring to Fig. 4 a）Show
Measurement signal U is gone out.The measurement signal is represented with 35.Herein relate in the filter stick with two pouches equipped with liquid
On the measurement that carries out.In Fig. 4 b）In it is current also with regard to schematically showing measurement signal U apart from s.Speed be not corrected to
In the case of change accurate position measurement no in other words, the not calibrated measurement signal 36 ' being shown in broken lines can be produced.
With the measurement signal 37 for correcting and the measurement signal 36 ' being converted into overcorrect, the corrected measurement signal
37 then by length l for also corresponding to the filter stick apart from s passed through.The measurement signal 36 ' or measurement letter
Numbers 35 are converted into position signalling 36 ' in the case of no position correction velocity correction in other words, the measurement signal 36 ' or
Second measurement summit of person's measurement signal 35 then moves deviation 34 ' after calibration '.
Fig. 6 is schematically indicated with block diagram and described is set with the measurement by the present invention in the present inventive method
It is standby.Here, in the first embodiment, position signalling 36 sends analysis to by the photographic head row 21,21 ' to signal 36 in other words
Device 27.The analytical equipment 27 then produces clock pulses 38, by means of 12 pin of MMU microwave measurement unit described in the clock pulses
Corrected measurement signal 37, the survey are directly produced in pulsed mode to the actual position of corresponding filter stick
Amount signal is equivalent to the measurement signal 29 that the locus are differentiated.
It is described by the present invention in other words that Fig. 6 illustrates the measuring method by the present invention with another schematic square frame
Measuring apparatus.In this case, it is not only delivered through the row scan camera shooting head 21 and 21 ' to the analytical equipment 27 to produce
Raw position signalling 36 and measurement signal 35 from the MMU microwave measurement unit 12 is transmitted in addition.35 Jing of the measurement signal
Cross time resolution.VELOCITY DISTRIBUTION or position signalling 36 as measured by such as described filter stick with the measurement signal
35 multiplication is interrelated, produces corrected measurement signal 37, and this is equivalent to the measurement letter that locus are differentiated
Numbers 29.
By described in the present inventive method with the device by the present invention and also by the making by the present invention
With, for example as quality standard can measure the pouch in filter stick with regard to filter plug top and the position of filter tip.
For design reasons, make in corresponding measuring apparatus filter plug freely that is in the case of without guiding from
Pass through in measured zone.Certainly, this causes such consequence, i.e., described filter stick pass through unknown air conditions and also by
Collision with tube wall or other wall bodies is being braked.This measurement put in filter stick pouch position when or
In general cause unknown interference during the position of the measurement in filter stick is measured.Thus measurement less can only accurately be realized
Positional precision.In order to improve this precision, it is provided with such as in the upstream and/or downstream of the measured zone of the first measurement apparatus
The device of the row scan camera shooting head with the form for being such as configured to optical sensor strip.By corresponding image taking, can
With in filter stick camera system test position change speed in other words in the length range of optical image in other words in other words
Change.Therefrom in the hope of the VELOCITY DISTRIBUTION of the filter stick and the analytical equipment can be handed to, for true by position
The measurement signal of fixed the first measurement apparatus for apparently improving the measuring apparatus.Here then carries out position compensation.
As an alternative, it is also possible to during by the device of the photographic head row or the extension of similar Y-direction to provide
Clock produces signal（Taktgenerierung）, the clock pulses produces signal and directly causes first measurement apparatus
Than the more accurate measurement of MMU microwave measurement unit.Thus the row can be used at each moment in the inside of the measured zone
The resolution of scan camera shooting head optical recording equipment in other words is detecting the position of the filter stick.Two row scannings are being set
Shooting head sections in other words two it is optical record sections in the case of, can be relative to the measurement zone of first measurement apparatus
Domain is come in accordance with somewhat larger spacing, and this can realize the advantage for designing and little effect is to the measurement with regard to physical characteristics
As a result.The generation of the VELOCITY DISTRIBUTION clock pulses in other words can be with optical method optical measurement apparatus in other words
To carry out, the optical method and optical measurement apparatus utilize reflected light, transmitted light or light shading method.Thus described
Two measurement apparatus not only can be run with light-shading effect as describes with the previous embodiment, and can also be in transmitted light or anti-
Penetrate in light method to run.Using reflection in reflected light method.
All features mentioned, also including the feature only learnt from accompanying drawing and it is single with other features
Feature disclosed in combination is all considered as individually and in combination feature important for purposes of the invention.By the enforcement of the present invention
Mode can be realized by the combination of each feature or multiple features.
Reference numerals list：
5 measuring apparatus
10 transfer pipelines
11st, 11 ', 11 ' ' filter stick
12 MMU microwave measurement units
13 measured zones
14 plastic tubes
15 brake rollers
16 accelerate roller
20th, 20 ' illuminator
21st, 21 ' photographic head row
22 dish out
23 conveying directions
24 lens
25 light beams
26 longitudinal axis
27 analytical equipments
The measurement signal that 29 locus are differentiated
30 first reference speeds
Speed measured by 31
33 second reference speeds
34th, 34 ', 34 ' ' deviation
35 measurement signals
36 position signallings or rate signal
36 ' not calibrated measurement signals
37 corrected measurement signals
38 clock pulses
The length of l rod-shaped products
Claims (16)
1. for the tobacco industry along conveying direction（23）The rod-shaped products of conveying（11、11’、11’’）At least one
The method that physical characteristics are measured, the method have following methods step：
- in the transfer pipeline of tubulose（10）In pneumatically convey the rod-shaped products（11、11’、11’’）；
- along the direction of Y-direction（22）Convey the rod-shaped products（11、11’、11’’）Through the first measurement apparatus（12）'s
Measured zone（13）；
- measurement the rod-shaped products（11、11’、11’’）At least one physical characteristics, wherein along the rod-shaped products（11、
11’、11’’）Longitudinal axis（26）Implement the measurement in time-resolved mode, so as to the measurement that generation time is differentiated；
- conveying the rod-shaped products（11、11’、11’’）Through the measured zone（13）During implement for described
Rod-shaped products（11、11’、11’’）Position detection；
- the time-resolved measurement is distributed in detected position, so as to form the measurement signal of locus resolution
（29）,
For the rod-shaped products（11、11’、11’’）Position detection for, in first measurement apparatus（12）Measurement
Region（13）It is middle to measure the rod-shaped products（11、11’、11’’）VELOCITY DISTRIBUTION, and/or
Along with to the rod-shaped products（11、11’、11’’）Position detection producing clock pulses（38）, the clock arteries and veins
Rush for time-resolved measurement.
2. the method as described in claim 1, it is characterised in that the physical characteristics are the characteristic of geometry, the rod-shaped products
（11、11’、11’’）Length, the rod-shaped products（11、11’、11’’）Diameter, the rod-shaped products（11、11’、11’’）
In filtering plug position and/or the rod-shaped products（11、11’、11’’）In pouch position.
3. the method as described in claim 1, it is characterised in that for the physical characteristics measurement by means of electromagnetic radiation,
Radioactive radiation and/or by means of sound or compressed air and/or in the way of magnetic, electric capacity or sensing entering
OK.
4. the method as described in claim 3, it is characterised in that the electromagnetic radiation be light radiation, IR radiation, microwave radiation,
UV is radiated or X-radiation.
5. the method as described in claim 1, it is characterised in that the position detection is carried out by means of electromagnetic radiation.
6. the method as described in claim 5, it is characterised in that detect optical, ultrared or ultraviolet the position
Carry out in the range of line.
7. the method as described in claim 1, it is characterised in that rod-shaped products（11、11’、11’’）It is filter stick.
8. measuring apparatus（5）, its be used for the tobacco industry pneumatically in transfer pipeline（10）In along conveying direction（23）
The rod-shaped products of conveying（11、11’、11’’）At least one physical characteristics carry out the measurement of locus resolution, the measurement
Equipment includes：First measurement apparatus（12）With the second measurement apparatus（20、20’、21、21’）, first measurement apparatus are in measurement
Region（13）In carry out to the rod-shaped products（11、11’、11’’）Physical characteristics time-resolved measurement, wherein can
Convey the rod-shaped products（11、11’、11’’）Through the measured zone（13）；Second measurement apparatus are in the measurement
Region（13）In carry out to the rod-shaped products（11、11’、11’’）Position detection and/or velocity measuring, wherein by means of point
Analysis apparatus（27）Using from second measurement apparatus from the time-resolved measurement（20、20’、21、21’）Position
Can determine for the rod-shaped products in the case of putting detection and/or velocity measuring（11、11’、11’’）Physical characteristics
The measurement signal that locus are differentiated（29）, the analytical equipment（27）Produce the time-resolved survey for the physical characteristics
The clock pulses of amount（38）And provide it to first measurement apparatus（12）.
9. measuring apparatus as described in claim 8（5）, it is characterised in that the rod-shaped products（11-、11’、1’’）It is to filter
Rod.
10. measuring apparatus as described in claim 8（5）, it is characterised in that the analytical equipment（27）By the physical characteristics
Time-resolved measures conversion be locus differentiate measurement signal（29）.
11. measuring apparatus as described in claim 8（5）, it is characterised in that first measurement apparatus（12）It is based on electromagnetism
Radiation or the first measurement apparatus of radioactive radiation（12）Or by means of sound or compressed air and/or with magnetic,
Electric capacity or sensing mode is measuring.
12. measuring apparatus as described in claim 11（5）, it is characterised in that the electromagnetic radiation is light radiation, infrared ray spoke
Penetrate, microwave radiation, ultraviolet radiation or X-radiation.
13. measuring apparatus as described in claim 8（5）, it is characterised in that second measurement apparatus（20、20’、21、
21’）It is the measurement apparatus based on electromagnetic radiation.
14. measuring apparatus as described in claim 8（5）, it is characterised in that radiation is provided with second measurement apparatus
Receptor, the radiation receiver is along the rod-shaped products（11、11’、11’’）Conveying direction（23）Direction elongation.
15. measuring apparatus as described in claim 14（5）, it is characterised in that second measurement apparatus（20、20’、21、
21’）Including the radiation receiver of two elongations.
16. measuring apparatus as described in claim 15（5）, it is characterised in that the first radiation receiver is arranged in described first
Measurement apparatus（12）Measured zone（13）Upstream and the second radiation receiver is arranged in first measurement apparatus（12）
Measured zone（13）Downstream.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011006439A DE102011006439B4 (en) | 2011-03-30 | 2011-03-30 | Spatially resolved measurement of at least one physical property of a rod-shaped article of the tobacco processing industry |
| DE102011006439.7 | 2011-03-30 | ||
| PCT/EP2012/001186 WO2012130398A1 (en) | 2011-03-30 | 2012-03-16 | Spatially resolved measurement of at least one physical property of a rod-shaped item of the tobacco processing industry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103442603A CN103442603A (en) | 2013-12-11 |
| CN103442603B true CN103442603B (en) | 2017-03-22 |
Family
ID=45872906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280015740.1A Expired - Fee Related CN103442603B (en) | 2011-03-30 | 2012-03-16 | Spatially resolved measurement of at least one physical property of a rod-haped item of the tobacco processing industry |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2690976A1 (en) |
| CN (1) | CN103442603B (en) |
| DE (1) | DE102011006439B4 (en) |
| WO (1) | WO2012130398A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL227616B1 (en) * | 2014-09-12 | 2018-01-31 | International Tobacco Machinery Poland Spólka Z Ograniczona Odpowiedzialnoscia | Measuring devices and method for measuring rod-like multi-segment articles of tobacco 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 |
| IT201800006412A1 (en) * | 2018-06-18 | 2019-12-18 | Detection unit and method for the tobacco industry |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3312841A1 (en) * | 1982-04-30 | 1983-11-03 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Method and device for the manufacture of rod-shaped articles of the tobacco processing industry |
| GB2201784A (en) * | 1987-02-28 | 1988-09-07 | Business & Ind Technical Servi | Measuring dimension of articles on a conveyor system |
| US6173716B1 (en) * | 1997-03-25 | 2001-01-16 | Japan Tobacco, Inc. | Method and apparatus for inspecting cigarette density |
| EP1247462A2 (en) * | 2001-04-06 | 2002-10-09 | Hauni Maschinenbau AG | Method and apparatus for generating an information about the properties of a fibre stream |
| CN1489949A (en) * | 2002-09-11 | 2004-04-21 | �����е����ɷݹ�˾ | Length/or diameter measuring method and device for cigarette filter tip lip |
| CN1759772A (en) * | 2004-10-13 | 2006-04-19 | 豪尼机械制造股份公司 | Apparatus and method for measuring the diameter of rod shaped articles especially in tobacco industry |
| CN101869354A (en) * | 2009-04-21 | 2010-10-27 | 豪尼机械制造股份公司 | Be used to check the method and apparatus of the quality of filter rods of being furnished with capsule |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3414247C2 (en) * | 1983-04-30 | 1994-09-08 | Hauni Werke Koerber & Co Kg | Device for measuring the diameter of rod-shaped or rod-shaped products in the tobacco processing industry |
| US8186359B2 (en) * | 2008-02-01 | 2012-05-29 | R. J. Reynolds Tobacco Company | System for analyzing a filter element associated with a smoking article, and associated method |
-
2011
- 2011-03-30 DE DE102011006439A patent/DE102011006439B4/en not_active Expired - Fee Related
-
2012
- 2012-03-16 WO PCT/EP2012/001186 patent/WO2012130398A1/en unknown
- 2012-03-16 CN CN201280015740.1A patent/CN103442603B/en not_active Expired - Fee Related
- 2012-03-16 EP EP12709807.7A patent/EP2690976A1/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3312841A1 (en) * | 1982-04-30 | 1983-11-03 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Method and device for the manufacture of rod-shaped articles of the tobacco processing industry |
| GB2201784A (en) * | 1987-02-28 | 1988-09-07 | Business & Ind Technical Servi | Measuring dimension of articles on a conveyor system |
| US6173716B1 (en) * | 1997-03-25 | 2001-01-16 | Japan Tobacco, Inc. | Method and apparatus for inspecting cigarette density |
| EP1247462A2 (en) * | 2001-04-06 | 2002-10-09 | Hauni Maschinenbau AG | Method and apparatus for generating an information about the properties of a fibre stream |
| CN1489949A (en) * | 2002-09-11 | 2004-04-21 | �����е����ɷݹ�˾ | Length/or diameter measuring method and device for cigarette filter tip lip |
| CN1759772A (en) * | 2004-10-13 | 2006-04-19 | 豪尼机械制造股份公司 | Apparatus and method for measuring the diameter of rod shaped articles especially in tobacco industry |
| CN101869354A (en) * | 2009-04-21 | 2010-10-27 | 豪尼机械制造股份公司 | Be used to check the method and apparatus of the quality of filter rods of being furnished with capsule |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011006439A1 (en) | 2012-10-04 |
| DE102011006439B4 (en) | 2013-02-07 |
| WO2012130398A1 (en) | 2012-10-04 |
| CN103442603A (en) | 2013-12-11 |
| EP2690976A1 (en) | 2014-02-05 |
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