DE20117495U1 - Device for determining the particle sizes of a particle stream - Google Patents

Device for determining the particle sizes of a particle stream

Info

Publication number
DE20117495U1
DE20117495U1 DE20117495U DE20117495U DE20117495U1 DE 20117495 U1 DE20117495 U1 DE 20117495U1 DE 20117495 U DE20117495 U DE 20117495U DE 20117495 U DE20117495 U DE 20117495U DE 20117495 U1 DE20117495 U1 DE 20117495U1
Authority
DE
Germany
Prior art keywords
cameras
camera
angle
particle
detection
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
DE20117495U
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.)
Haver and Boecker OHG
Original Assignee
Haver and Boecker OHG
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 Haver and Boecker OHG filed Critical Haver and Boecker OHG
Priority to DE20117495U priority Critical patent/DE20117495U1/en
Publication of DE20117495U1 publication Critical patent/DE20117495U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N15/1456—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • G01N15/1433—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N2015/0019—Means for transferring or separating particles prior to analysis, e.g. hoppers or particle conveyors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N15/1434—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement
    • G01N2015/144—Imaging characterised by its optical setup
    • G01N2015/1445—Three-dimensional imaging, imaging in different image planes, e.g. under different angles or at different depths, e.g. by a relative motion of sample and detector, for instance by tomography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N2015/1497—Particle shape

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 erfaßtThe description text was not recorded electronically

Claims (10)

1. Einrichtung zur Bestimmung der Partikelgrößen eines Partikelstromes, welche mit einem wenigstens eine Kamera enthaltendes, optoelektronisches Erfas­ sungs- und Auswertgerät ausgestattet ist, dadurch gekennzeichnet, daß das optoelektronische Erfassungs- und Auswertgerät wenigstens zwei Kameras (10, 11) enthält, deren optische Achsen im Winkel zueinander stehen.1. A device for determining the particle sizes of a particle stream, which is equipped with an optoelectronic detection and evaluation device containing at least one camera, characterized in that the optoelectronic detection and evaluation device contains at least two cameras ( 10 , 11 ) whose optical axes stand at an angle to each other. 2. Einrichtung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 6, dadurch gekennzeichnet, daß jede Kamera (10, 11) derart angeordnet ist, daß die Erfassung der Partikel (12) des Partikelstromes während des Gleitens über eine schiefe Ebene (14) durchführbar ist.2. Device according to one or more of the preceding claims 1 to 6, characterized in that each camera ( 10 , 11 ) is arranged such that the detection of the particles ( 12 ) of the particle stream during sliding over an inclined plane ( 14 ) can be carried out is. 3. Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß ggf. eine der Kameras zur Änderung des von den optischen Achsen eingeschlossenen Win­ kels verstellbar ist.3. Device according to claim 1 or 2, characterized in that optionally one of the Cameras to change the win enclosed by the optical axes kels is adjustable. 4. Einrichtung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das optoelektronische Erfassungs- und Auswert­ gerät zwei Kameras (10, 11) enthält, und daß der von den optischen Achsen der Kameras (10, 11) eingeschlossene Winkel maximal ein stumpfer Winkel ist.4. Device according to one or more of the preceding claims 1 to 3, characterized in that the optoelectronic detection and evaluation device contains two cameras ( 10 , 11 ), and that the angle included by the optical axes of the cameras ( 10 , 11 ) is at most an obtuse angle. 5. Einrichtung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Kameras (10, 11) vorzugsweise in einer Ebene angeordnet sind.5. Device according to one or more of the preceding claims 1 to 4, characterized in that the cameras ( 10 , 11 ) are preferably arranged in one plane. 6. Einrichtung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Kameras (10, 11) in einer Halterung angeord­ net sind.6. Device according to one or more of the preceding claims 1 to 5, characterized in that the cameras ( 10 , 11 ) are angeord net in a holder. 7. Einrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Halterung ge­ genüber einem Förderer (13) verstellbar ist.7. Device according to claim 6, characterized in that the holder GE compared to a conveyor ( 13 ) is adjustable. 8. Einrichtung nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, daß jede Kamera (10, 11) derart angeordnet ist, daß die Erfassung der Partikel im freien Fall oder während des Transportes mittels eines Förderers erfolgt.8. Device according to one or more of the preceding claims 1 to 7, characterized in that each camera ( 10 , 11 ) is arranged such that the detection of the particles takes place in free fall or during transport by means of a conveyor. 9. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Einrichtung eine Kamera (10) oder (11) enthält, und dass die optische Achse der Kamera (10) bzw. (11) einen Winkel zur an die Wurfparabel im Aufnahmebereich an­ gelegten Tangente oder zur Ebene (14) einschließt, der maximal im Bereich von 90° liegt.9. Device according to claim 1, characterized in that the device contains a camera ( 10 ) or ( 11 ), and that the optical axis of the camera ( 10 ) or ( 11 ) an angle to the parabola to the throwing parabola in the recording area at tangent or to the plane ( 14 ), which is at most in the range of 90 °. 10. Einrichtung nach Anspruch 9, dadurch gekennzeichnet, daß der eingeschlos­ sene Winkel ein spitzer Winkel ist, und dass vorzugsweise der Abstand der Kamera (10) bzw. (11) zum Partikelstrom einstellbar ist.10. The device according to claim 9, characterized in that the included angle is an acute angle, and that preferably the distance of the camera ( 10 ) or ( 11 ) to the particle stream is adjustable.
DE20117495U 2001-10-25 2001-10-25 Device for determining the particle sizes of a particle stream Expired - Lifetime DE20117495U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20117495U DE20117495U1 (en) 2001-10-25 2001-10-25 Device for determining the particle sizes of a particle stream

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20117495U DE20117495U1 (en) 2001-10-25 2001-10-25 Device for determining the particle sizes of a particle stream

Publications (1)

Publication Number Publication Date
DE20117495U1 true DE20117495U1 (en) 2002-02-21

Family

ID=7963270

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20117495U Expired - Lifetime DE20117495U1 (en) 2001-10-25 2001-10-25 Device for determining the particle sizes of a particle stream

Country Status (1)

Country Link
DE (1) DE20117495U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049517A1 (en) * 2006-10-20 2008-04-24 Haver & Boecker Ohg Device for determining parameters of a bulk material particle flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049517A1 (en) * 2006-10-20 2008-04-24 Haver & Boecker Ohg Device for determining parameters of a bulk material particle flow

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020328

R163 Identified publications notified

Effective date: 20020923

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20041203

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20071030

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20090923

R071 Expiry of right
R071 Expiry of right