DE102005035410A1 - Optical detecting device for packaged foods, has camera for visual detection of packaged goods that are fed on conveyor, and mirrors deflecting beam paths of camera to form beam paths, which are larger than vertical dimension of housing - Google Patents
Optical detecting device for packaged foods, has camera for visual detection of packaged goods that are fed on conveyor, and mirrors deflecting beam paths of camera to form beam paths, which are larger than vertical dimension of housing Download PDFInfo
- Publication number
- DE102005035410A1 DE102005035410A1 DE200510035410 DE102005035410A DE102005035410A1 DE 102005035410 A1 DE102005035410 A1 DE 102005035410A1 DE 200510035410 DE200510035410 DE 200510035410 DE 102005035410 A DE102005035410 A DE 102005035410A DE 102005035410 A1 DE102005035410 A1 DE 102005035410A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- beam paths
- camera
- conveyor
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 5
- 230000003287 optical effect Effects 0.000 title claims description 11
- 230000000007 visual effect Effects 0.000 title abstract 2
- 235000021485 packed food Nutrition 0.000 title 1
- 238000012545 processing Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
- G01N21/8903—Optical details; Scanning details using a multiple detector array
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum optischen Erfassen von Stückgütern und deren Lage auf Transporteinrichtungen, insbesondere von stückartigen Nahrungsmitteln, zur Steuerung stromabwärtiger Greifvorrichtungen.The The invention relates to a device for the optical detection of piece goods and their location on transport facilities, in particular piece-like Foodstuffs, for controlling downstream gripping devices.
Aus
dem Stand der Technik sind eine Reihe solcher Vorrichtungen bekannt.
Beispielsweise zeigt die
Vorteile der ErfindungAdvantages of invention
Es ist, ausgehend von diesem Stand der Technik, Aufgabe der Erfindung, eine Vorrichtung zum optischen Erfassen von Stückgütern anzugeben, die einen modularen kompakten Aufbau aufweist und dabei bei gleichzeitig hoher Tiefenschärfe die Erfassung von flachen bis zu höheren Produkten ermöglicht.It is, starting from this prior art, object of the invention, to provide a device for the optical detection of general cargo, which is a modular has a compact design and at the same time with high depth of field, the Capture from flat to higher Products.
Diese Aufgabe löst eine Vorrichtung mit den Merkmalen des Anspruchs 1.These Task solves a device with the features of claim 1.
Die erfindungsgemässe Abtastvorrichtung weist einen gefalteten Strahlengang auf, so dass sich ein grosser Objekt-Bild Abstand ergibt.The invention Scanning device has a folded beam path, so that a large object-image distance results.
Vorzugsweise sind die Bildabtastvorrichtungen quer zum Förderer eindimensional ausgestaltet, so dass der Bildwinkel klein ist, und somit fast parallele Strahlen vorliegen, ohne dass die Zeilenkameras die vollständige Breite der Transporteinrichtung abdecken müssen.Preferably For example, the image scanning devices are one-dimensionally configured transversely to the conveyor that the image angle is small, and thus almost parallel rays present without the line scan cameras the full width must cover the transport device.
Die hohe Tiefenschärfe der Vorrichtung gestattet den modularen Einsatz derselben bei beliebigen Transporteinrichtungen und dies direkt für unterschiedlichste Produkte, welche sehr flach oder auch sehr hoch sein können, wobei „flache" Produkte eine Höhe von im Allgemeinen unter 5 Millimeter bedeutet und „hohe" Produkte eine Höhe über einem Transportband bis zu beispielsweise 80 oder 100 Millimeter beinhalten können. Diese Bildabtastungsergebnisse sind bei gleicher Montage-Höhe der Vorrichtung gewährleistet, so dass die Vorrichtung modular in der Konstruktion von Verpackungsanlagen eingesetzt werden kann, ohne dass die Vorrichtung speziell auf die verschiedenen zu erfassenden Stückgüter adaptiert zu werden braucht.The high depth of field the device allows the modular use of the same in any Transport equipment directly for a wide range of products, which can be very shallow or very high, with "flat" products having a height of Generally below 5 mm and "high" products mean a height above a conveyor belt for example, may include 80 or 100 millimeters. These Image scan results are at the same mounting height of the device guaranteed making the device modular in the construction of packaging equipment can be used without the device specifically on the adapted to different items to be detected needs to be.
Eine solche Vorrichtung ist zum optischen Erfassen von stückartigen Nahrungsmitteln und deren Lage auf Transporteinrichtungen zur Steuerung stromabwärtiger Greifvorrichtungen in einer Verpackungsanlage der Lebensmittelindustrie hervorragend geeignet.A such device is for optically detecting piece-like Foodstuffs and their location on transport means for controlling downstream gripping devices excellent in a packaging plant of the food industry suitable.
Weitere vorteilhafte Ausführungsformen der erfindungsgemässen Vorrichtung und Varianten mit erfindungsgemässen Verfahren gehen aus den abhängigen Patentansprüchen hervor.Further advantageous embodiments the inventive Device and variants with inventive method go out of the dependent claims out.
Zeichnungdrawing
Ausführungsbeispiele der Erfindung sind in den Figuren dargestellt. Es zeigen:embodiments The invention are illustrated in the figures. Show it:
Beschreibung der Ausführungsbeispieledescription the embodiments
Die
Oberhalb
des Transportbandes
In
der schematischen Darstellung der
Wenn
in diesem Zusammenhang von Gehäuse
Dieser
letzte Strahlengang
Gemäss dem Prinzip-Schaltbild
der
Vorzugsweise
sind die entsprechenden LED's
stroboskopartig, d.h. intermittierend geschaltet, um ihre Lebensdauer
zu erhöhen.
Die Zeitdauer der Anschaltung muss ausreichend lang sein, um eine
entsprechende ausreichende zeitliche Auflösung für die Zeilenkamera
Der
Vorteil von LED-Zeilen
Die
Die
Die
Für die Module
Vorzugsweise
besteht eine Einheit aus zwei Umlenkspiegeln, welche jeweils den
Strahlengang um 90° umlenken,
wie in
Wesentlich
ist bei allen Ausführungsbeispielen,
welche der Fachmann basierend auf der vorliegenden Erfindung ausbilden
kann, dass ein relativ in Tiefe und Höhe beschränktes Gehäuse
Die
Kameras
Die Beleuchtungs-Körper können insbesondere aus LED's bestehen, welche linear aneinander gereiht sind. Insbesondere können diese auf bedruckten Platinen aufgebracht sein. Vorteilhafterweise sind es weiss abstrahlende LED's. Es können aber auch, in alternativen Ausführungsformen, grüne, rote oder IR-LED's verwendet werden.The Lighting Devices can especially from LEDs exist, which are lined up linearly. In particular, these can be applied on printed circuit boards. Advantageously it knows emitting LEDs. But it can also, in alternative embodiments, green, red or IR LEDs be used.
Die
eine Möglichkeit
des Betriebs der Lichtquellen ist der Konstant-Betrieb, welcher
jedoch die Lebensdauer von weissen LED's stark beschränkt, da LED's einem Alterungsprozess unterliegen.
Eine bessere Alternative ist der Stroboskop-Betrieb, welcher neben einer höheren Lebensdauer
auch zu einer geringeren Wärme-Entwicklung
führt.
Der Stroboskop-Betrieb muss mit den Aufnahmen der Zeilen-Kameras
korreliert sein. Infolgedessen kann der Stroboskop-Betrieb derart
definiert sein, dass die LED's
jeweils nicht leuchten, wenn das Transportband
Optional
können
vor den LED's reine
Polarisations-Filter zur Reduktion von Reflektionen vorgesehen sein.
Neben aneinandergereihten LED's
könnnen
auch diskrete LED's
mit vorgesetzter Optik verwendet werden. Damit kann die Lichtausbeute
der LED's in die
vorgegebene Richtung gebündelt
werden, so dass sich ein gleichmässiges
Licht über
die gesamte Breite des Transportbandes ergibt. Das Gehäuse
Wie
aus dem oben Beschriebenen hervorgeht, ist das entsprechende System
unabhängig
von den eingesetzten weiteren Mitteln der Verpackungsanlage. Dies
betrifft sowohl die Art des Transportbandes
Die
Erfindung gestattet auch eine Minimierung der Perspektiv-Fehler ohne eine
vollständige Kameraabdeckung
der Querrichtung des Transportbandes
- 1010
- Fördererpromoter
- 1111
- Pfeilarrow
- 1212
- Stückgutcargo
- 1313
- LED-ZeileLED line
- 1414
- LED-ZeileLED line
- 1616
- Gehäusecasing
- 2020
- Abtastvorrichtungscanning
- 2525
- AbtastmodulA scan
- 2626
- Gehäusecasing
- 3030
- AbtastmodulA scan
- 3131
- Strahlengangbeam path
- 3232
- Strahlengangbeam path
- 3333
- Strahlengang im Gehäusebeam path in the case
- 33'33 '
- Strahlengang ausserhalb des Gehäusesbeam path outside the case
- 3434
- Überlappungsbereichoverlap area
- 3535
- AbtastmodulA scan
- 4040
- Zeilenkameraline camera
- 4141
- kameranaher Spiegelcamera near mirror
- 4242
- transportbandnaher Spiegeltransportband near mirror
- 4343
- Zwischenspiegelbetween levels
- 4444
- Zwischenspiegelbetween levels
- 4545
- Zwischenspiegelbetween levels
- 5050
- BildverarbeitungssystemImage processing system
- 5151
- Leitungmanagement
- 5252
- Leitungmanagement
- 5555
- AbtastmodulA scan
- 6060
- Sensorsensor
- 7070
- GreiferkontrolleinrichtungGripper control device
- 132132
- Strahlengangbeam path
- 232232
- Strahlengangbeam path
Claims (15)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510035410 DE102005035410A1 (en) | 2005-07-28 | 2005-07-28 | Optical detecting device for packaged foods, has camera for visual detection of packaged goods that are fed on conveyor, and mirrors deflecting beam paths of camera to form beam paths, which are larger than vertical dimension of housing |
| PCT/EP2006/063174 WO2007051659A1 (en) | 2005-07-28 | 2006-06-14 | Apparatus for optical recording of piece goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510035410 DE102005035410A1 (en) | 2005-07-28 | 2005-07-28 | Optical detecting device for packaged foods, has camera for visual detection of packaged goods that are fed on conveyor, and mirrors deflecting beam paths of camera to form beam paths, which are larger than vertical dimension of housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102005035410A1 true DE102005035410A1 (en) | 2007-02-01 |
Family
ID=36870015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200510035410 Withdrawn DE102005035410A1 (en) | 2005-07-28 | 2005-07-28 | Optical detecting device for packaged foods, has camera for visual detection of packaged goods that are fed on conveyor, and mirrors deflecting beam paths of camera to form beam paths, which are larger than vertical dimension of housing |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102005035410A1 (en) |
| WO (1) | WO2007051659A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007018204A1 (en) * | 2007-04-16 | 2008-10-30 | Bruder, Wolfgang, Dipl.-Ing. | Device for detecting fault position in animal skins, has machining table with contact surface for animal skin, light source for illuminating area of animal skin |
| DE102007018201A1 (en) * | 2007-04-16 | 2008-10-30 | Bruder, Wolfgang, Dipl.-Ing. | Defective area detecting device for animal skin, has recording device for visually recording region of animal skin, and light sources and part of recording device arranged within opaque cover |
| DE102007021154A1 (en) * | 2007-05-05 | 2008-11-13 | Mahle International Gmbh | Testing device for determining surface defect i.e. cavity defect, on testing object, has sensor arrangement with sensors that are arranged and aligned such that sensors detect entire surface of testing object to be tested |
| EP2145738A3 (en) * | 2008-06-11 | 2012-12-12 | OPM S.p.A. | Method and device for sensing and controlling a product gripping operation |
| DE102012203134A1 (en) * | 2012-02-29 | 2013-08-29 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Method for receiving contour portion by manipulator, involves determining orientation of the contour portions based on CAD data of the contour portions to receive the contour portions |
| CN111539951A (en) * | 2020-05-13 | 2020-08-14 | 西安交通大学 | Visual detection method for outline size of ceramic grinding wheel head |
| DE102022202417A1 (en) | 2022-03-10 | 2023-09-14 | Robert Bosch Gesellschaft mit beschränkter Haftung | Image capture device and system with reduced set-up time through pre-calibration with the image capture device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2644791A1 (en) * | 1975-10-14 | 1977-04-21 | Bell & Howell Co | READER FOR MICROFICHE IMAGES |
| US4301373A (en) * | 1978-07-10 | 1981-11-17 | Saab-Scania Ab | Scanning of workpieces such as lumber cants |
| DE3817321A1 (en) * | 1987-11-05 | 1989-05-18 | Fiat Auto Spa | Method and device for carrying out the dimensional checking (inspection) of a workpiece in an optoelectronic way |
| CH682516A5 (en) * | 1991-02-13 | 1993-09-30 | Samro Bystronic Maschinen Ag | Method and apparatus for measuring a dimension of a body and application of this method. |
| EP0604172A2 (en) * | 1992-12-22 | 1994-06-29 | Emhart Glass Machinery Investments Inc. | Glass container inspection machine |
| EP0707192A1 (en) * | 1993-04-05 | 1996-04-17 | Aweta B.V. | Method and apparatus for measuring form parameters of items |
| EP0847838A2 (en) * | 1996-12-12 | 1998-06-17 | Gerhard Schubert GmbH | Product scanner |
| DE10036095A1 (en) * | 2000-07-25 | 2002-05-02 | Vitronic Dr Ing Stein Bildvera | Device for the detection or monitoring of moving processes |
| DE10128476C2 (en) * | 2001-06-12 | 2003-06-12 | Siemens Dematic Ag | Optical sensor device for the visual detection of substrates |
| DE20317095U1 (en) * | 2003-11-07 | 2004-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Cast metal part surface error inspection unit has imaging of reflected light with processing algorithm grouping pixels above threshold for error examination and contour construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476533A (en) * | 1981-07-08 | 1984-10-09 | Ball Corporation | Glassware gauging system |
| FI77390B (en) * | 1987-03-02 | 1988-11-30 | Halton Oy | MOTTAGNINGSANORDNING FOER FLASKOR. |
| JP3275407B2 (en) * | 1992-11-30 | 2002-04-15 | 株式会社ニコン | Micro size measuring device |
| JP2006105749A (en) * | 2004-10-05 | 2006-04-20 | Shindenshi Corp | Visual inspection device of surface mounting base board |
-
2005
- 2005-07-28 DE DE200510035410 patent/DE102005035410A1/en not_active Withdrawn
-
2006
- 2006-06-14 WO PCT/EP2006/063174 patent/WO2007051659A1/en not_active Ceased
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2644791A1 (en) * | 1975-10-14 | 1977-04-21 | Bell & Howell Co | READER FOR MICROFICHE IMAGES |
| US4301373A (en) * | 1978-07-10 | 1981-11-17 | Saab-Scania Ab | Scanning of workpieces such as lumber cants |
| DE3817321A1 (en) * | 1987-11-05 | 1989-05-18 | Fiat Auto Spa | Method and device for carrying out the dimensional checking (inspection) of a workpiece in an optoelectronic way |
| CH682516A5 (en) * | 1991-02-13 | 1993-09-30 | Samro Bystronic Maschinen Ag | Method and apparatus for measuring a dimension of a body and application of this method. |
| EP0604172A2 (en) * | 1992-12-22 | 1994-06-29 | Emhart Glass Machinery Investments Inc. | Glass container inspection machine |
| EP0707192A1 (en) * | 1993-04-05 | 1996-04-17 | Aweta B.V. | Method and apparatus for measuring form parameters of items |
| EP0847838A2 (en) * | 1996-12-12 | 1998-06-17 | Gerhard Schubert GmbH | Product scanner |
| DE10036095A1 (en) * | 2000-07-25 | 2002-05-02 | Vitronic Dr Ing Stein Bildvera | Device for the detection or monitoring of moving processes |
| DE10128476C2 (en) * | 2001-06-12 | 2003-06-12 | Siemens Dematic Ag | Optical sensor device for the visual detection of substrates |
| DE20317095U1 (en) * | 2003-11-07 | 2004-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Cast metal part surface error inspection unit has imaging of reflected light with processing algorithm grouping pixels above threshold for error examination and contour construction |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007018204A1 (en) * | 2007-04-16 | 2008-10-30 | Bruder, Wolfgang, Dipl.-Ing. | Device for detecting fault position in animal skins, has machining table with contact surface for animal skin, light source for illuminating area of animal skin |
| DE102007018201A1 (en) * | 2007-04-16 | 2008-10-30 | Bruder, Wolfgang, Dipl.-Ing. | Defective area detecting device for animal skin, has recording device for visually recording region of animal skin, and light sources and part of recording device arranged within opaque cover |
| DE102007018204B4 (en) * | 2007-04-16 | 2013-09-26 | Wolfgang Bruder | Device for detecting defects in animal hides |
| DE102007018201B4 (en) * | 2007-04-16 | 2013-09-26 | Wolfgang Bruder | Device for detecting defects in animal hides |
| DE102007021154A1 (en) * | 2007-05-05 | 2008-11-13 | Mahle International Gmbh | Testing device for determining surface defect i.e. cavity defect, on testing object, has sensor arrangement with sensors that are arranged and aligned such that sensors detect entire surface of testing object to be tested |
| EP2145738A3 (en) * | 2008-06-11 | 2012-12-12 | OPM S.p.A. | Method and device for sensing and controlling a product gripping operation |
| DE102012203134A1 (en) * | 2012-02-29 | 2013-08-29 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Method for receiving contour portion by manipulator, involves determining orientation of the contour portions based on CAD data of the contour portions to receive the contour portions |
| CN111539951A (en) * | 2020-05-13 | 2020-08-14 | 西安交通大学 | Visual detection method for outline size of ceramic grinding wheel head |
| CN111539951B (en) * | 2020-05-13 | 2022-12-09 | 西安交通大学 | A visual detection method for the contour size of ceramic grinding wheel head |
| DE102022202417A1 (en) | 2022-03-10 | 2023-09-14 | Robert Bosch Gesellschaft mit beschränkter Haftung | Image capture device and system with reduced set-up time through pre-calibration with the image capture device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007051659A1 (en) | 2007-05-10 |
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| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8139 | Disposal/non-payment of the annual fee |