WO2018234508A1 - Système d'enregistrement optique - Google Patents

Système d'enregistrement optique Download PDF

Info

Publication number
WO2018234508A1
WO2018234508A1 PCT/EP2018/066673 EP2018066673W WO2018234508A1 WO 2018234508 A1 WO2018234508 A1 WO 2018234508A1 EP 2018066673 W EP2018066673 W EP 2018066673W WO 2018234508 A1 WO2018234508 A1 WO 2018234508A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical recording
recording system
sensor element
optical
head
Prior art date
Application number
PCT/EP2018/066673
Other languages
German (de)
English (en)
Inventor
Jens Becker
Original Assignee
Cruse Spezialmaschinen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cruse Spezialmaschinen GmbH filed Critical Cruse Spezialmaschinen GmbH
Publication of WO2018234508A1 publication Critical patent/WO2018234508A1/fr

Links

Classifications

    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures

Definitions

  • the invention relates to an optical recording system for detecting a three-dimensional surface structure of an object, wherein the optical recording system a
  • Receiving head and a slide member wherein the receiving head is spaced from the slide member disposed, wherein in or on the receiving head a
  • optical pickup system is arranged, and wherein the optical pickup system is formed so that an observation angle at which the optical pickup system detects the object is adjustable.
  • the recording systems are suitable to an object of different
  • the invention is therefore based on the object to provide a particularly compact stationary recording system.
  • the object is achieved by the optical recording system described above, wherein in or on the recording head, a mirror element for reflecting an image of the object in the direction of the sensor element is arranged, wherein the sensor element is arranged so that it is one of the
  • Mirror element can capture reflected image of the object.
  • the slide element can be a table, a holding plate or a comparable element which preferably has a flat surface.
  • the sensor element may be
  • the object By adjusting the observation angle, the object can be detected from different angles.
  • the image taken by the sensor element changes depending on the observation angle.
  • the recording of multiple images from different angles is necessary so that a three-dimensional representation of the object to be detected can be calculated from a plurality of individual images.
  • optical recording system can be integrated into the recording head. It is alternatively possible that the
  • Sensor element and / or other components of the optical pickup system are arranged on an outer side of the recording head.
  • the recording head according to the invention over a support element to be connected to the O jekt element.
  • the mirror element reflects an image of the object in the direction of the sensor element.
  • the mirror element allows an extremely compact design of the recording head.
  • the height of previously known optical recording systems depends, among other things, on which sensor element and which objective are used. In addition, the height of the
  • optical pick-up systems may have a large height because a comparatively long image path between the object and the sensor element is necessary to fully detect the object.
  • the overall height of the optical recording device is characterized
  • the sensor element and the mirror element are arranged in a common plane, wherein the common plane is aligned parallel to a plane defined by a surface of the slide element.
  • the common plane is aligned parallel to a plane defined by a surface of the slide element.
  • the sensor element is rotatable
  • Observation angle can be detected, because of the object outgoing light rays hit after the rotation in one deviating angle to the sensor element. It is
  • the sensor element can be pivoted manually. It is particularly preferred if the optical pickup system is a drive element for
  • Recording system has a control system that a
  • Control system can be a computer unit and optional
  • control system can do so
  • Three-dimensional surface structure of the object from several frames is possible.
  • the object can be detected from different observation angles.
  • object on the slide element does not necessarily have to be moved to another position. It turned out that alone by a
  • the mirror element is designed to be pivotable. This provides an additional possibility for setting the observation angle. It can do that
  • Mirror element having a drive element, so that the mirror element does not have to be pivoted by hand.
  • an image path is to be understood as meaning a section of the optical recording system which is defined by the course of light rays emanating from the object to be detected and meeting the sensor element at the end of its course. If the sensor element is displaced transversely to the image path, it changes
  • At least one lens is arranged, which is designed so that it breaks out of the object light beams so that a comparatively large change in the observation angle even with a small change of a
  • Displacement position of the sensor element is transverse to the image path. If the sensor element only has to be slightly displaced to change the viewing angle, then only a short time is required for the sensor element
  • Displacement route are provided. Consequently, the recording head can be made compact, although the
  • Sensor element is arranged displaceably in the receiving head. As with the pivoting of the sensor element applies even with the displacement of the sensor element that a change in the position of the object relative to the recording head is not necessary to the object under different Capture observation angles and three-dimensional
  • the optical pickup system comprises a lens which is arranged in an image path between the sensor element and the mirror element.
  • the at least one lens forms an objective or a part of an objective of the optical recording system.
  • a focus adjustment, an enlargement and / or other reproduction characteristics of an image of the object can be changed.
  • two or more lenses may be arranged in the image path between the sensor element and the mirror element.
  • the optical pickup system comprises at least one lens arranged in an image path between the
  • the at least one lens may be stand alone or in
  • the at least one lens is displaceable along a portion of the image path and / or is pivotable out of the image path.
  • Shifting the lens can be different optical
  • Adjusted parameters of the lens can only be changed by using a different lens.
  • the at least one lens can be arranged pivotably in the image path. It is possible, for example, a first lens from the image path to pivot out and pivot a second lens into the image path so that the second lens is used instead of the first lens.
  • Recording system has a drive system for shifting and / or pivoting of the at least one lens.
  • the drive system can according to the invention at least one
  • the sensor element is arranged in the receiving head, wherein the receiving head is sealed dust-tight.
  • the sensor element is thus protected from dust and other harmful
  • At least one lens located in the image path between the
  • the receiving head may have an opening flap that can be opened to the sensor element and
  • Recording system has an infrared filter in an image path between the sensor element and the
  • the image path between the sensor element and the slide element comprises both the image path between the sensor element and the
  • Infrared filter allows to filter infrared light, whereby disturbing influences by infrared light on the sensor element can be avoided.
  • the optical pickup system has a
  • Sensor element and the slide element is arranged. For example, this allows specific filtering of light that has been reflected by reflecting surfaces.
  • the polarizing filter is rotatable, is displaceable along a portion of the image path and / or can be pivoted out of the image path.
  • Displacement and / or rotation of the pole filter its operation can be changed.
  • the pole filter By pivoting the pole filter out of the image path, the polarizing filter in the optical recording system is deactivated.
  • Recording system at least one
  • At least one drive element of the pole filter can be used.
  • the optical pickup system is so
  • Displacement allows different portions of the object to be detected to be located on the slide member.
  • the slide element is displaceable in a direction parallel to a surface of the slide element or the slide element has a
  • the recording head according to the invention may be stationary or immovable. According to the invention it is possible, for example, that the receiving head is held by a support member which is not displaceably seated on a substrate or is firmly connected to an immovable portion of the optical pickup device.
  • the object may, according to a possible embodiment of the invention, be moved beneath the receiving head by displacing the slide member.
  • the slide element can be moved laterally or moved in some other way.
  • the displacement can be effected by means of a drive element.
  • the drive element of the slide element can be controlled by the control system described above.
  • the object may be moved along the pickup head by moving the object on the pickup head O jektrichelement is displaced by means of a conveying mechanism.
  • the conveying mechanism may be a roller system, an assembly line or another conveying mechanism.
  • the receiving head is displaceable in a direction parallel to the surface of the slide element, so that the
  • the slide element is stationary or immovable. It may be at the
  • Slide element for example, act on a fixed and not displaceable on a table table.
  • the receiving head can be fastened to a displaceable support element.
  • the receiving head may be attached to a support rail, wherein the receiving head along the
  • Retaining rail is displaced.
  • the recording head can be equipped with a drive element which serves to displace the recording head along the retaining rail.
  • the control system described above can be used according to the invention, to those by the
  • the recording system preferably has an illumination system that is stationary on the optical recording system
  • the lighting system includes
  • At least one light emitter If the Recording head is stationarily arranged on the optical pickup system, then the lighting system
  • the lighting system is preferably fixedly connected to the pickup head and / or to the support element to which the pickup head is attached. The lighting system is thus always moved with the recording head when it is displaced so that below the movable recording head always a uniform
  • the recording head is displaceable in a direction perpendicular to the surface of the slide element, so that a distance between the object and the recording head is variable. This can be used for setting various optical parameters, for example for setting a subject width, wherein the
  • Object distance is defined as a distance between the object and a lens of the optical pickup system.
  • the optical recording system according to the invention a
  • the sensor element can be displaced in the direction of an image path in or on the image path
  • Recording head is arranged so that a distance between the sensor element and the mirror element is changeable.
  • different optical parameters can be set, for example an image width of the optical recording system, the image width being a distance between a lens and the sensor element
  • the optical recording system can be any optical recording system.
  • a drive element to displace the sensor element within the receiving head.
  • the optical recording system has at least one pivotable light emitter, wherein the optical recording system has a control system and wherein the control system is adapted to a
  • Verschwenkungs ein of the light emitter depending on the observation angle at which the object is detected to adjust. This will allow the object to be placed under which
  • Observation angle the object is detected to illuminate differently. For example, a
  • Fig. 1 is a schematic representation of an optical
  • Fig. 2 is a schematic representation of the optical
  • Fig. 3 is a schematic representation of the optical
  • FIG. 4 is a schematic representation of an alternative embodiment of the optical according to the invention
  • Fig. 1 shows a schematic representation of an optical pickup system 1 in a front view.
  • Recording system 1 has a slide element 2 which is connected to a support element 3.
  • the support element 3 is connected to a receiving head 4.
  • Object carrier element 2 located object can by means of a conveying mechanism, not shown along a
  • the object can thus be guided past the recording head 4 so that different sections of the object can be detected by a sensor element 6 arranged in the recording head 4.
  • the recording head 4 is shown in a sectional view, so that in it arranged sensor element 6 is visible.
  • Sensor element 6 is a line scan camera.
  • the slide element 2 has an illumination system with two light emitters 7.
  • the light emitters 7 can be the object arranged on the object carrier element 2
  • the light beam 8 runs along a
  • the light beam 8 enters the pickup head 4 through a transparent portion of the pickup head 4 and is reflected by a mirror element 9 at an angle of 45 degrees toward the sensor element 6, so that the light beam 8 from the
  • Sensor element 6 can be detected.
  • the receiving head 4 is displaceably mounted on the support member 3, so that the receiving head 4 can be displaced in a direction perpendicular to the surface 5 of the slide member 2.
  • a lens 10 is arranged in the recording head 4.
  • An object width of the taking optical system 1 is determined by a distance between the object and the lens 10. The object width can be changed by the receiving head 4 in a direction perpendicular to the surface 5 of the
  • Receiving head 4 is further a rail member 11
  • Fig. 2 shows a schematic representation of the optical pickup system 1 of FIG. 1 in a front view with a changed orientation of the sensor element 6. It can be seen that due to the changed orientation of the sensor element 6, a on the slide element 2
  • Observation angle can be detected. Since the light beam 8 does not pass through the lens 10 in the center, it is refracted by it.
  • FIG. 3 shows a schematic representation of the optical pickup system 1 according to FIGS. 1 and 2 in a front view with a changed position of the sensor element 6.
  • the sensor element 6 is arranged so as to be displaceable on the rail element 11 within the pickup head 4.
  • Rail element 11 allows a displacement of the
  • the light beam 8 does not pass through the lens 10 in the center and is therefore broken by it. This can be a on the
  • Object carrier element 2 arranged object can be detected at a different observation angle.
  • Fig. 4 shows a schematic representation of a
  • optical recording system 1 in a side view.
  • a support member 3 carries a pickup head 4 which is disposed above a slide member 2.
  • Receiving head 4 a sensor element 6 is arranged, which is displaceable along a rail member 11. Further, in the receiving head 4 is a pivotable
  • a radiator support member 12 is attached, which has a plurality of light emitters 7.
  • Outgoing light beam 8 runs at the

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)

Abstract

L'invention concerne un système d'enregistrement optique (1) destiné à détecter une structure de surface tridimensionnelle d'un objet. Le système d'enregistrement optique (1) comporte une tête d'enregistrement (4) et un élément porte-objet (2). La tête d'enregistrement (4) est disposée à distance de l'élément porte-objet (2). Un élément de détection (6) destiné à détecter des informations optiques est disposé dans ou sur la tête de lecture (4), et le système d'enregistrement optique (1) est conçu de manière à pouvoir régler un angle d'observation sous lequel le système d'enregistrement optique (1) détecte l'objet. Selon l'invention, un élément formant miroir (9) destiné à réfléchir une image de l'objet en direction de l'élément de détection (6) est disposé dans ou sur la tête d'enregistrement (4). L'élément de détection (6) est disposé de manière à pouvoir détecter une image de l'objet réfléchie par l'élément formant miroir (9).
PCT/EP2018/066673 2017-06-23 2018-06-21 Système d'enregistrement optique WO2018234508A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017113960.5A DE102017113960A1 (de) 2017-06-23 2017-06-23 Optisches Aufnahmesystem
DE102017113960.5 2017-06-23

Publications (1)

Publication Number Publication Date
WO2018234508A1 true WO2018234508A1 (fr) 2018-12-27

Family

ID=62909486

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/066673 WO2018234508A1 (fr) 2017-06-23 2018-06-21 Système d'enregistrement optique

Country Status (2)

Country Link
DE (1) DE102017113960A1 (fr)
WO (1) WO2018234508A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188544A (en) * 1977-08-22 1980-02-12 Weyerhaeuser Company Method and apparatus for automatically processing a workpiece employing calibrated scanning
DE19604075A1 (de) * 1996-02-05 1997-08-14 F & O Electronic Systems Vorrichtung zur Inspektion der Oberfläche von Holz zwecks Feststellung von Oberflächenmerkmalen und Verfahren hierzu
US20070035539A1 (en) * 2003-08-21 2007-02-15 Koichi Matsumura Image acquisition system for generation of three-dimensional models
US20110058159A1 (en) * 2008-05-19 2011-03-10 Renishaw Plc Optical inspection probe
US20160245753A1 (en) * 2015-02-23 2016-08-25 Li-Cor, Inc. Fluorescence biopsy specimen imager and methods
US20160377545A1 (en) * 2015-06-26 2016-12-29 Li-Cor, Inc. Fluorescence biopsy specimen imager and methods
DE102015114955A1 (de) * 2015-09-07 2017-03-09 Cruse Spezialmaschinen GmbH Beleuchtungssystem und Abbildungsvorrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188544A (en) * 1977-08-22 1980-02-12 Weyerhaeuser Company Method and apparatus for automatically processing a workpiece employing calibrated scanning
DE19604075A1 (de) * 1996-02-05 1997-08-14 F & O Electronic Systems Vorrichtung zur Inspektion der Oberfläche von Holz zwecks Feststellung von Oberflächenmerkmalen und Verfahren hierzu
US20070035539A1 (en) * 2003-08-21 2007-02-15 Koichi Matsumura Image acquisition system for generation of three-dimensional models
US20110058159A1 (en) * 2008-05-19 2011-03-10 Renishaw Plc Optical inspection probe
US20160245753A1 (en) * 2015-02-23 2016-08-25 Li-Cor, Inc. Fluorescence biopsy specimen imager and methods
US20160377545A1 (en) * 2015-06-26 2016-12-29 Li-Cor, Inc. Fluorescence biopsy specimen imager and methods
DE102015114955A1 (de) * 2015-09-07 2017-03-09 Cruse Spezialmaschinen GmbH Beleuchtungssystem und Abbildungsvorrichtung

Also Published As

Publication number Publication date
DE102017113960A1 (de) 2018-12-27

Similar Documents

Publication Publication Date Title
DE19721112B4 (de) Autofokussierverfahren
DE102011119806A1 (de) Verfahren und Vorrichtung zum Sichtbarmachen eines Signierzeichens auf einem Brillenglas
DE102007033793A1 (de) Verfahren und Vorrichtung zum mikroskopischen Untersuchen einer Probe, Computerprogramm und Computerprogrammprodukt
EP2732334B1 (fr) Dispositif et procédé pour acquerir des identifiants biométriques
EP2903250A1 (fr) Procédé de prise de vue avec émission de lumière de marquage adaptative et appareil de prise de vue correspondant
EP2023179B1 (fr) Dispositif de pivotement optique
EP0055209A2 (fr) Dispositif pour faire tourner des faisceaux lumineux
EP2202075B1 (fr) Procédé et dispositif d'observation d'impression à l'aide d'une caméra à lignes
WO2018234508A1 (fr) Système d'enregistrement optique
DE102007052300A1 (de) Stativ zum Photografieren von Objekten
DE4020150A1 (de) Vorrichtung zur darstellung einer zielmarke
DE102014118025B4 (de) Vorrichtung zur Lichtblattmikroskopie
EP2327043B1 (fr) Dispositif pour enregistrer des données biométriques
DE19520606B4 (de) Vorrichtung zur optischen Untersuchung von Oberflächen
DE102017113958A1 (de) Optisches Aufnahmesystem
DE19634881C1 (de) Optische Prüfvorrichtung
DE202004020330U1 (de) Vorrichtung zur Überprüfung von Randbereichen flächiger Elemente
EP2030061B1 (fr) Support d'appareil utilisé à des fins d'assemblage ou d'inspection technique
EP2373145B1 (fr) Dispositif de mesure d'un objet se déplacant
AT521620B1 (de) Mikroskopie-Vorrichtung zur Erstellung dreidimensionaler Abbilder
DE10339134B4 (de) Strahlablenkeinrichtung und Scanmikroskop
CH695915A5 (de) Gerät zur optischen Aufnahme eines Objekts.
DE202023100557U1 (de) Kameravorrichtung zur Erfassung von Objekten
DE102018000485A1 (de) Optische Erfassungseinrichtung für ein Fahrzeug
DE102008060475A1 (de) Beleuchtungsvorrichtung für ein optisches Instrument und Verfahren zur Beleuchtung eines mit einem optischen Instrument abzubildenden Objektes

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18740517

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18740517

Country of ref document: EP

Kind code of ref document: A1