DE20022838U1 - Device for measuring a volume, in particular the combustion chamber volume of cylinder heads - Google Patents

Device for measuring a volume, in particular the combustion chamber volume of cylinder heads

Info

Publication number
DE20022838U1
DE20022838U1 DE20022838U DE20022838U DE20022838U1 DE 20022838 U1 DE20022838 U1 DE 20022838U1 DE 20022838 U DE20022838 U DE 20022838U DE 20022838 U DE20022838 U DE 20022838U DE 20022838 U1 DE20022838 U1 DE 20022838U1
Authority
DE
Germany
Prior art keywords
measuring
projector
measurement object
volume
cylinder head
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.)
Expired - Lifetime
Application number
DE20022838U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GF MESTECHNIK GmbH
Original Assignee
GF MESTECHNIK 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 GF MESTECHNIK GmbH filed Critical GF MESTECHNIK GmbH
Priority to DE20022838U priority Critical patent/DE20022838U1/en
Priority claimed from DE2000142723 external-priority patent/DE10042723A1/en
Publication of DE20022838U1 publication Critical patent/DE20022838U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2545—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object with one projection direction and several detection directions, e.g. stereo

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (10)

1. Vorrichtung zur Messung eines von außen optisch erfaßbaren Volumens, insbesondere des Brennraum­ volumens von Zylinderköpfen, wobei ein schwingungsgedämpftes Grundgestell (1) mit einer massiven Auflage (2) wie massive Hartgestein­ platte Führungsschienen (3) für einen Transport­ schlitten (4) mit einer Aufnahmevorrichtung für ein Meßobjekt wie Zylinderkopf und einen Einstellmeister aufweist, wobei unter einer Öffnung der massiven Auflage (2) ein Meßkopf (5) wie eine Sensorzelle so angeordnet ist, daß eine senkrechte Projektion von Strahlen auf das Meßobjekt und eine seitliche Beobachtung der auf das Meßobjekt auftreffenden Strahlen aus mindestens zwei Positionen gewährleistet sind.1.Device for measuring an externally optically detectable volume, in particular the combustion chamber volume of cylinder heads, a vibration-damped base frame ( 1 ) with a solid support ( 2 ) such as solid hard rock plate guide rails ( 3 ) for a carriage ( 4 ) with a transport Recording device for a measuring object such as a cylinder head and a setting master, wherein a measuring head ( 5 ) such as a sensor cell is arranged under an opening of the solid support ( 2 ) so that a vertical projection of rays onto the measurement object and a lateral observation of the measurement object incident rays from at least two positions are guaranteed. 2. Vorrichtung nach Anspruch 1, dadurch gekenn­ zeichnet, daß der Meßkopf (5) aus einem Rahmengestell (11) mit einer Trägerplatte (10) gebildet ist, auf welcher ein Projektor (7) und mindestens zwei CCD-Kameras (9, 10) mit jeweils einer seriellen Schnittstelle wie Gain- Control-Schnittstelle zur rechnergesteuerten Bildverstärkung angeordnet sind.2. Device according to claim 1, characterized in that the measuring head ( 5 ) from a frame ( 11 ) with a carrier plate ( 10 ) is formed, on which a projector ( 7 ) and at least two CCD cameras ( 9 , 10 ) each with a serial interface such as a Gain Control interface for computer-controlled image intensification. 3. Vorrichtung nach Anspruch 1, dadurch gekenn­ zeichnet, daß der Projektor (7) ein DMD-Projektor oder ein LCD-Projektor ist.3. Apparatus according to claim 1, characterized in that the projector ( 7 ) is a DMD projector or an LCD projector. 4. Vorrichtung nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß eine adaptive digitale Streifenprojektionstechnik wie Graycode-Technik, Phasecode-Technik verwendet wird, die eine Vielzahl von Streifenmustern in an sich bekannter Weise senkrecht auf der Oberfläche des Meßobjektes abbildet.4. Device according to claims 1 to 4, characterized characterized that an adaptive digital Stripe projection technology such as gray code technology, Phase code technique is used which is a  Variety of stripe patterns in a known manner Way perpendicular to the surface of the Depicts the measurement object. 5. Vorrichtung nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß unterschiedliche Meßobjekte wie Zylinderköpfe ohne Umrüstung vollautomatisch oder manuell vermessen werden.5. Device according to claims 1 to 4, characterized characterized that different measuring objects like cylinder heads fully automatic without retrofitting or be measured manually. 6. Vorrichtung nach Anspruch 1, dadurch gekenn­ zeichnet, daß eine virtuelle Abdeckung von Öffnungen des Meßobjektes an der Stelle erfolgt, die in der zugehörigen technischen Zeichnung entsprechend bemaßt ist.6. The device according to claim 1, characterized records that a virtual coverage of Openings of the measurement object are made at the point, those in the related technical drawing is dimensioned accordingly. 7. Vorrichtung nach Anspruch 6, dadurch gekenn­ zeichnet, daß die virtuelle Abdeckung innerhalb des ermittelten Höhenbildes am Auflageort der Ventile entsprechend der technischen Zeichnung des Zylinderkopfes un der gemessenen Ist-Werte erfolgt.7. The device according to claim 6, characterized records that the virtual coverage within the determined elevation at the location of the Valves according to the technical drawing of the cylinder head and the measured actual values he follows. 8. Vorrichtung nach Anspruch 6, dadurch gekenn­ zeichnet, daß die virtuelle Abdeckung innerhalb des ermittelten Höhenbildes an der Öffnung für die Zündkerze und weitere Öffnungen entsprechend der technischen Zeichnung des Zylinderkopfes erfolgt.8. The device according to claim 6, characterized records that the virtual coverage within of the determined elevation at the opening for the spark plug and other openings accordingly the technical drawing of the cylinder head he follows. 9. Vorrichtung nach den Ansprüchen 1 bis 8, dadurch gekennzeichnet, daß zur Prozeßkontrolle Software- Schnittstellen zu üblichen Statistik-Programmen vorgesehen sind. 9. Device according to claims 1 to 8, characterized characterized in that for process control software Interfaces to common statistical programs are provided.   10. Vorrichtung nach Anspruch 1, dadurch gekenn­ zeichnet, daß das Meßobjekt wie Zylinderkopf manuell oder automatisch zugeführt ist.10. The device according to claim 1, characterized records that the measuring object like cylinder head is fed manually or automatically.
DE20022838U 2000-08-31 2000-08-31 Device for measuring a volume, in particular the combustion chamber volume of cylinder heads Expired - Lifetime DE20022838U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20022838U DE20022838U1 (en) 2000-08-31 2000-08-31 Device for measuring a volume, in particular the combustion chamber volume of cylinder heads

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20022838U DE20022838U1 (en) 2000-08-31 2000-08-31 Device for measuring a volume, in particular the combustion chamber volume of cylinder heads
DE2000142723 DE10042723A1 (en) 2000-08-31 2000-08-31 Cylinder head chamber volume measurement method in vehicle production line, involves projecting strip patterns on head and determining projection depth by image processing during which head openings are virtually sealed

Publications (1)

Publication Number Publication Date
DE20022838U1 true DE20022838U1 (en) 2002-06-06

Family

ID=26006860

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20022838U Expired - Lifetime DE20022838U1 (en) 2000-08-31 2000-08-31 Device for measuring a volume, in particular the combustion chamber volume of cylinder heads

Country Status (1)

Country Link
DE (1) DE20022838U1 (en)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020711

R150 Term of protection extended to 6 years

Effective date: 20040317

R151 Term of protection extended to 8 years

Effective date: 20061124

R152 Term of protection extended to 10 years

Effective date: 20090311

R071 Expiry of right