WO2004011932A1 - Dispositif concu pour mesurer la qualite d'un animal de boucherie ou de produits alimentaires - Google Patents

Dispositif concu pour mesurer la qualite d'un animal de boucherie ou de produits alimentaires Download PDF

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Publication number
WO2004011932A1
WO2004011932A1 PCT/AT2003/000203 AT0300203W WO2004011932A1 WO 2004011932 A1 WO2004011932 A1 WO 2004011932A1 AT 0300203 W AT0300203 W AT 0300203W WO 2004011932 A1 WO2004011932 A1 WO 2004011932A1
Authority
WO
WIPO (PCT)
Prior art keywords
measuring
electronics
probe
housing
measurement
Prior art date
Application number
PCT/AT2003/000203
Other languages
German (de)
English (en)
Inventor
Herbert Ginzinger
Original Assignee
Herbert Ginzinger
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 Herbert Ginzinger filed Critical Herbert Ginzinger
Priority to EP03770982A priority Critical patent/EP1537414A1/fr
Priority to AU2003243809A priority patent/AU2003243809A1/en
Publication of WO2004011932A1 publication Critical patent/WO2004011932A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food
    • G01N33/12—Meat; Fish
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/026—Dielectric impedance spectroscopy

Definitions

  • the invention describes a device, in particular a measuring device, for measuring the quality of a slaughtered animal or of food, as described in claim 1.
  • a meat classification device is known from DE 39 25 331 C2, in which a probe is connected to a housing, the housing being designed for one-hand operation with a grip element and the electronic control, in particular the measuring electronics, being integrated in the housing.
  • a control means which is preferably formed by an LCD display and keys, is also arranged in the housing.
  • a device for measuring the pH in meat of slaughtered animals is known from DE 38 14 634 AI.
  • a probe is again arranged on a housing, which is now formed by a single-rod pH electrode which is pressed into the meat of the slaughtered animal.
  • the housing On the opposite side of the probe, the housing has a viewing window in which the user can read the measurement result and can therefore carry out a classification.
  • the disadvantage here is that there are no input options. are available and thus when using such a device the user must keep a handwritten list of the measurement data.
  • test specimen is pressed onto the surface of the slaughtered animal with a certain force, in particular muscle strength, without penetrating the meat of the slaughtered animal.
  • Test specimens covered due to the elasticity of the meat are determined and evaluated accordingly. Another disadvantage is that there are no setting options.
  • WO 91/14180 AI relates to the assessment of slaughtered goods and manhole parts by image analysis. It states that the analysis of exposed characteristics of carcase parts; ⁇ " How fat between muscles has been used to assess the quality and quantity of meat products within the slaughterhouse.
  • EP 0 444 675 A discloses that a meat surface can be scanned with a light beam in order to determine its reflection properties.
  • the analysis of the data gives information, for example, with regard to being mixed with fat.
  • the invention has for its object to provide a device, in particular a measuring device, for measuring the quality of a slaughtered animal or food, in which the operational safety and accuracy is improved when using a pulse impedance spectroscopy measurement method.
  • the object of the invention is achieved by the features in the characterizing part of claim 1.
  • the advantage here is that direct contacting of the probe on the measuring electronics eliminates the line impedances and thus the measurement result becomes very precise. This is particularly important when using a pulse impedance spectroscopy measurement method, since with such a measurement method through lines, in particular the inductances occurring through the lines, the measured values are falsified, since an evaluation of a pulse, in particular an evaluation of the deformation of the pulse, is made.
  • Another advantage is that the arrangement of the circuit board simplifies the manufacture of the measuring device, since only very few or no line connections to the circuit board have to be made.
  • An embodiment according to claim 2 or 3 is advantageous because it allows the size of the circuit board for the measuring electronics to be kept very small and thus enables the circuit board to be optimally positioned.
  • An embodiment according to claim 4 or 5 is also advantageous, since it enables several different measurement methods to be carried out with a single measuring device and thus no longer, as is known from the prior art. knows that a separate device must be used for each measuring method.
  • An embodiment according to claim 6 is also advantageous, since this enables simple contacting of the contact pins of the probe directly on the measuring electronics positioned behind the plug-in socket.
  • An embodiment according to claim 7 is also advantageous, since this enables optimal use of the housing.
  • An embodiment according to claim 8 or 9 is advantageous because it enables the user to easily switch between the individual measurement methods or the user only has to replace the probe, so that another measurement method with one and the same device is used for the next measurement.
  • an embodiment according to claim 10 is also advantageous, since it enables two probes to be used simultaneously.
  • FIG. 1 shows a side view of a device according to the invention, in particular a measuring device, in a simplified, schematic representation
  • 2 shows a diagrammatic representation of the device according to the invention, in particular the measuring device with the measuring electronics positioned therein, in a simplified, schematic representation
  • the position information given in the individual design examples is to be transferred to the new position in the event of a change in position.
  • FIG. 1 and 2 show a device 1, in particular measuring device 2, for measuring the quality of a slaughtered animal or of food.
  • the measuring device 2 uses a measuring method which is part of the prior art for determining the meat quality, so that this is no longer discussed in more detail.
  • the pulse impedance spectroscopy measurement method is used to determine the conductivity. Many practical applications of other measuring methods are countered by the expensive measuring equipment and the long time it takes to record a conductivity spectrum.
  • the impedance is a complex resistance.
  • This method which works in the time domain, uses the information from the object-dependent deformation of an applied broadband signal, e.g. a rectangular pulse in order to characterize the object electrically. With pulse impedance spectroscopy, it is thus possible to calculate the locus from a deformed rectangular pulse. For the electronic structure of the measuring method, one from the
  • a probe 3 is exchangeably connected to a housing 4 via a plug-in socket 5, the housing 4 for one-hand operation is formed with a grip element 6.
  • the electronic control 7 is arranged in the housing 4.
  • the measuring device 2 has a control means 9, which is preferably formed by an LCD display and buttons, not shown.
  • the individual components can be arranged directly on a printed circuit board or can be divided into several printed circuit boards which are connected to one another via lines 10, as indicated schematically.
  • the connector 5 for the probe 3 for food measurement is designed such that a plurality of different probes 3, in particular for measuring the ph value, the py value, the conductivity value, the temperature , can be used and operated.
  • a plurality of contact elements, not shown, are arranged in the plug-in socket 5, via which a wide variety of probes 3 can be contacted.
  • the contact elements of the plug-in socket 5 are connected via lines 11 to the controller 7, in particular measuring electronics, so that depending on the probe 3 used, a corresponding measuring method can be carried out, that is to say that different probing methods can also be carried out on the basis of the probes 3 which can be used differently, for this purpose
  • the corresponding measuring electronics are arranged on a circuit board or on several circuit boards.
  • the control means 9 in particular a push button, or is also possible, that the measuring electronics have an automatic switchover device, so that the correct measuring electronics are activated for the probe 3 used.
  • a further connection socket 12 for a temperature probe is arranged on the housing 4, in particular in the handle element 6, which is connected to the
  • Measuring electronics or control is connected so that several probes 3 can be used simultaneously.
  • the measuring device 2 is preferably designed such that only one temperature measurement is carried out via the connection socket 12.
  • the electronic control is formed by at least one printed circuit board 14 for the measuring electronics and one printed circuit board 15 for the evaluation electronics.
  • the electronic control is formed by at least one printed circuit board 14 for the measuring electronics and one printed circuit board 15 for the evaluation electronics.
  • the printed circuit boards 14 with the corresponding measuring electronics are connected to the evaluation electronics 15 and optionally to an input and / or display electronics for the control means 9.
  • the printed circuit board 14 of the measuring electronics is arranged in the housing 4 in such a way that connecting pins 16 of the probe 3 directly with a contact surface or a contact spring are not shown Printed circuit board 14 of the measuring electronics come into contact, ie there is no electrical line connection between the probe 3 and the measuring electronics 14, in particular the printed circuit board 14 of the measuring electronics, but the probe 3 directly with the printed circuit board 14
  • Measuring electronics is connected. This ensures that there are no inductive influences on the measurement result and thus there is no falsification of the measurement result. This is very important in the case of the pulse impedance spectroscopy measuring method used, since in this method the evaluation of the distortion or deformation of a pulse, in particular a rectangular im- pulses takes place, as is known from the prior art and is therefore no longer discussed in more detail on the measuring electronics 14 or the measuring method.
  • the plug-in socket 5 has one or more through bores, not shown, through which the connection pins 16 of the probe 3 for the conductivity measurement project on the measuring principle of pulse impedance spectroscopy.
  • the circuit board 14 of the measuring electronics is positioned in the housing such that the projecting connecting pins 16 come to rest directly on a contact surface of the circuit board 14, as a result of which the electrical connection to the measuring electronics is established.
  • the positioning of the printed circuit board 14 can be carried out in a wide variety of ways, so that it is no longer discussed in detail.
  • the circuit board 14 of the measuring electronics is connected via lines 17 to the control, in particular the circuit board 15 of the evaluation electronics.
  • circuit board 14 of the measurement electronics is arranged behind the plug-in socket 5 and that the connecting pins 16 of the probe 3 make direct contact with the circuit board 14, that is to say are connected to it.
  • the electronic components on the printed circuit boards 14 and 15 have been omitted for the sake of clarity.
  • only the printed circuit board 15 for the evaluation electronics and the control means 9 were also shown schematically.
  • contact springs can be arranged on the printed circuit board 14 of the measuring electronics, which increases the reliability of the contacting, since this compensates for different connector pin lengths, in particular the manufacturing tolerances can. It is also possible to use other systems for direct contacting, such as, for example, a further printed circuit board which is offset by spring elements. It only has to be ensured that when the probe 3 is used, a reliable contact is made on the printed circuit board 14 without the use of lines or cables via which the measurement signal is inductively loaded. For the further probes 3 that can be used, a plurality of contact elements, not shown, are arranged in the plug-in socket 5, by means of which a wide variety of probes 3 can be contacted.
  • these contact elements are connected via lines to the circuit board 14 of the measuring electronics or other measuring electronics or the controller 7, or that these probes 3, in particular their connecting pins, are also contacted with the circuit board 14 of the measuring electronics.
  • the different measuring methods used for the different probes 3 it is also possible for the different measuring methods used for the different probes 3 to have a plurality of printed circuit boards 14 with the corresponding measuring electronics, which are equipped with the evaluation electronics, in particular their printed circuit board 15, and optionally with the control means 9, in particular an input - And / or display electronics are connected.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

Dispositif (1), notamment un appareil de mesure (2), conçu pour mesurer la qualité d'un animal de boucherie ou de produits alimentaires. Ce dispositif comprend une sonde (3) qui est connectée à un boîtier (4) par l'intermédiaire de douilles amovibles (5) de manière à pouvoir être échangée. Le boîtier (4) comprend un élément de prise (6) qui permet une manipulation à une main. La commande électronique (7), notamment le système électronique de mesure et le système électronique d'analyse, ainsi que des douilles de connexion électrique (8) permettant la connexion à des composants externes, notamment à un ordinateur, sont intégrées au boîtier (4). Le boîtier (4) présente un système de commande (9) qui est de préférence constitué d'un système d'affichage à cristaux liquides et de touches. Une carte de circuits imprimés (14) du système électronique de mesure, notamment conçue pour effectuer une mesure par spectroscopie d'impédance d'impulsions, est placée dans le boîtier (4) de façon que des chevilles de connexion (16) de la sonde (3) viennent directement en contact avec une surface de contact ou un champ de contact de la carte de circuits imprimés (14) du système électronique de mesure.
PCT/AT2003/000203 2002-07-26 2003-07-21 Dispositif concu pour mesurer la qualite d'un animal de boucherie ou de produits alimentaires WO2004011932A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03770982A EP1537414A1 (fr) 2002-07-26 2003-07-21 Dispositif concu pour mesurer la qualite d un animal de bouc herie ou de produits alimentaires
AU2003243809A AU2003243809A1 (en) 2002-07-26 2003-07-21 Device for measuring the quality of slaughtered animals or food items

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA1138/2002 2002-07-26
AT11382002A AT413606B (de) 2002-07-26 2002-07-26 Vorrichtung zum messen der qualität eines geschlachteten tieres oder von lebensmitteln

Publications (1)

Publication Number Publication Date
WO2004011932A1 true WO2004011932A1 (fr) 2004-02-05

Family

ID=30773869

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2003/000203 WO2004011932A1 (fr) 2002-07-26 2003-07-21 Dispositif concu pour mesurer la qualite d'un animal de boucherie ou de produits alimentaires

Country Status (4)

Country Link
EP (1) EP1537414A1 (fr)
AT (1) AT413606B (fr)
AU (1) AU2003243809A1 (fr)
WO (1) WO2004011932A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008004898A2 (fr) * 2006-07-05 2008-01-10 Meat & Wool New Zealand Limited Stimulation électrique de carcasses
CN109444219A (zh) * 2018-12-25 2019-03-08 北京食安链科技有限公司 一种肉类食品营养品质快速检测探针及其检测方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0411443A2 (fr) * 1989-07-31 1991-02-06 Gerhard Thien Appareil pour classifier de la viande
US5139641A (en) * 1989-05-20 1992-08-18 Alfred Neukum Method of generating a constant derivation potential and a reference electrode in analytical chemistry
GB2256056A (en) * 1991-05-16 1992-11-25 Kane May Limited Temperature measuring apparatus.
WO1992021025A1 (fr) * 1991-05-15 1992-11-26 Meat And Livestock Commission Appareil de detection de la qualite de la viande
DE19945176A1 (de) * 1999-09-21 2001-05-10 Rosenberger Hochfrequenztech Anordnung von Federkontakten in einem vorbestimmten Raster

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139641A (en) * 1989-05-20 1992-08-18 Alfred Neukum Method of generating a constant derivation potential and a reference electrode in analytical chemistry
EP0411443A2 (fr) * 1989-07-31 1991-02-06 Gerhard Thien Appareil pour classifier de la viande
WO1992021025A1 (fr) * 1991-05-15 1992-11-26 Meat And Livestock Commission Appareil de detection de la qualite de la viande
GB2256056A (en) * 1991-05-16 1992-11-25 Kane May Limited Temperature measuring apparatus.
DE19945176A1 (de) * 1999-09-21 2001-05-10 Rosenberger Hochfrequenztech Anordnung von Federkontakten in einem vorbestimmten Raster

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008004898A2 (fr) * 2006-07-05 2008-01-10 Meat & Wool New Zealand Limited Stimulation électrique de carcasses
WO2008004898A3 (fr) * 2006-07-05 2008-06-26 Meat & Wool New Zealand Ltd Stimulation électrique de carcasses
CN109444219A (zh) * 2018-12-25 2019-03-08 北京食安链科技有限公司 一种肉类食品营养品质快速检测探针及其检测方法

Also Published As

Publication number Publication date
ATA11382002A (de) 2005-08-15
EP1537414A1 (fr) 2005-06-08
AU2003243809A1 (en) 2004-02-16
AT413606B (de) 2006-04-15

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