US20130283894A1 - Method and Apparatus for Examining Eggs - Google Patents

Method and Apparatus for Examining Eggs Download PDF

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Publication number
US20130283894A1
US20130283894A1 US13/883,320 US201113883320A US2013283894A1 US 20130283894 A1 US20130283894 A1 US 20130283894A1 US 201113883320 A US201113883320 A US 201113883320A US 2013283894 A1 US2013283894 A1 US 2013283894A1
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US
United States
Prior art keywords
eggs
determining
egg
eggshell
deformer
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.)
Abandoned
Application number
US13/883,320
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English (en)
Inventor
Bart De Ketelaere
Josse De Baerdemaeker
Jeroen Evert Jan Brunnenkreef
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Moba Group BV
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Moba Group BV
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
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Application filed by Moba Group BV filed Critical Moba Group BV
Assigned to MOBA GROUP B.V. reassignment MOBA GROUP B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BRUNNENKREEF, JEROEN EVERT JAN, DE BAERDEMAEKER, JOSSE, DE KETELAERE, BART
Publication of US20130283894A1 publication Critical patent/US20130283894A1/en
Priority to US14/936,354 priority Critical patent/US10206375B2/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K43/00—Testing, sorting or cleaning eggs ; Conveying devices ; Pick-up devices
    • 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
    • G01N33/08—Eggs, e.g. by candling
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K43/00—Testing, sorting or cleaning eggs ; Conveying devices ; Pick-up devices
    • A01K43/04—Grading eggs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/48—Investigating hardness or rebound hardness by performing impressions under impulsive load by indentors, e.g. falling ball

Definitions

  • the present invention relates to a method and apparatus for examining eggs.
  • the present invention relates in particular to a method and apparatus for determining eggshell characteristics of eggs.
  • the method according to the present invention comprises:
  • the deformation contact time is inversely proportional to the shell stiffness (and the eggshell strength). The shorter the deformation contact time, the better (higher) the shell stiffness and the higher the eggshell strength. By determining the deformation contact time, thus, relatively simply, an estimate can be provided of the eggshell stiffness (and shell strength).
  • the deformation contact time mentioned is also called the impact duration, i.e. the time duration during which the two impacting elements (i.e. the egg and the deformer) are in direct mechanical contact (touch each other).
  • a quality parameter such as the strength and/or stiffness can be determined.
  • Such a method of detection can be suitably applied to sorting machines for eggs.
  • the method comprises, for instance, determining, during deforming (of a part of the egg), the deformation contact time.
  • the method according to the invention has one or more of the characteristics:
  • a deformer initial contact velocity is preferably used together with the deformation contact time mentioned for determining the eggshell stiffness (and/or eggshell strength), which appears to lead to particularly good results.
  • the present invention further provides an apparatus for examining eggs, in particular for determining eggshell characteristics of eggs, the apparatus comprising:
  • the apparatus has one or more of the following characteristics:
  • the apparatus can be configured, for instance, to use a deformer initial contact velocity (together with the deformation contact time) in determining the shell stiffness and/or the eggshell strength.
  • this method or this apparatus can be directly used and applied in sorting eggs.
  • a roller conveyor is a main element of sorting machines known to any skilled person, mostly as part of a sorting system.
  • FIG. 1 schematically shows an example of an apparatus according to the invention
  • FIG. 2 shows an example of a detection signal for determining the shell stiffness (and/or shell strength) of an egg.
  • FIG. 1 gives a schematic view of a roller conveyor 1 as is generally known and used in sorting machines for eggs.
  • An egg E rests on rollers 2 , the rollers 2 forming at least one row, these rollers 2 being usually provided on axles (in this schematic drawing perpendicular to the plane of the drawing), and these rollers being usually mutually connected at the ends of the axles by endless chains that are guided over end wheels and are driven at one of the ends.
  • axles in this schematic drawing perpendicular to the plane of the drawing
  • an excitation member or deformer 3 and an optical detector 4 are indicated.
  • Such an excitation member or deformer is known in this field of technology and described in, for instance, EP738888 mentioned hereinabove, and in EP1198708 and in EP1238582.
  • contact times upon tapping or impacting can be determined.
  • a hammer as mentioned in EP1238582 can be provided with an accelerometer, for instance a piezo element, for measuring such a contact time.
  • Such accelerometers can be of the type that energizes the inflation of air bags in automobiles upon collision.
  • the use of the detector according to EP738888 will be described in further detail on the basis of FIG. 2 .
  • the optical detector 4 can be a camera for taking rapid shots, or also a laser vibrometer or measuring optics generally known. Such optical equipment allows determination of times, distances and velocities over very short time durations and is therefore highly suitable for carrying out such detection in the above mentioned sorting machines.
  • a signal is represented that is produced by the detector as is extensively described in EP738888.
  • This signal shape shows how a ball bounces on an egg several times. More particularly, there is shown the interval of time of the sound intensity I that is measured by a microphone in the column of which the bouncing ball forms the end. Four collisions between the ball and the egg can be seen and hence also four bouncing movements.
  • the shape of the signal for one single bouncing movement is the result of the standing wave in the air column between the ball and the microphone, and is damped.
  • a time duration ti is indicated. This time duration is measured between two successive zero axis crossings of the first maximum intensity to be recognized for each bounce, and is substantially equal to the earlier mentioned contact time between the ball and an egg. Deviations thereof should be attributed to the construction of the detector, i.e. the distances to the microphone and the characteristics of the microphone. If required, this can be corrected for.
  • time duration of such a single reciprocating movement also to be called bounce time ⁇ t.
  • This time duration makes it possible, with the control that is applied to the ball, i.e. in the field of gravity in combination with an electromagnetic field, to determine the velocity (V n0 ) of the ball at the time of impact, the initial contact velocity.
  • V n0 the velocity of the ball at the time of impact
  • ⁇ t is the bouncing time (s) and K1 and K2 are empirically determinable constants.
  • the initial contact velocity can also be determined in another manner (for instance by processing optical measuring data), which will be clear to the skilled person.
  • the apparatus can be configured, for instance, for carrying out/controlling the bouncing such that a predetermined initial contact velocity (v c ) is achieved.
  • the above-mentioned determinations make it possible to determine a shell stiffness parameter which parameter is derived with the Hertz model for such an egg-ball system. It is known to any skilled person how such a parameter relates to the above-mentioned shell stiffness or eggshell strength as determined according to the above-mentioned compression methodology, or also a specific stiffness determined in another way.
  • K H ( c ⁇ ) 5 / 2 ⁇ v n ⁇ ⁇ 0 - 1 / 2 ⁇ m ( 2 )
  • K H is the Hertz stiffness (N/m 3/2 )
  • v n0 is the initial contact velocity (m/s)
  • ⁇ is the deformation contact time (s)
  • m is the effective mass of the system, (kg), i.e.:
  • m 1 is the mass of the deformer (in this case the bouncing ball) and m 2 is the mass of the respective egg.
  • apparatuses can be used where tapping is carried out not with a ball but with a pin or a needle.
  • tapping is carried out not with a ball but with a pin or a needle.

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  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Environmental Sciences (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Animal Husbandry (AREA)
  • Acoustics & Sound (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Sorting Of Articles (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
US13/883,320 2010-11-05 2011-11-03 Method and Apparatus for Examining Eggs Abandoned US20130283894A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/936,354 US10206375B2 (en) 2010-11-05 2015-11-09 Method and apparatus for examining eggs

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10014328.8 2010-11-05
EP10014328 2010-11-05
PCT/NL2011/050750 WO2012060704A1 (en) 2010-11-05 2011-11-03 Method and apparatus for examining eggs

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2011/050750 A-371-Of-International WO2012060704A1 (en) 2010-11-05 2011-11-03 Method and apparatus for examining eggs

Related Child Applications (1)

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US14/936,354 Continuation US10206375B2 (en) 2010-11-05 2015-11-09 Method and apparatus for examining eggs

Publications (1)

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US20130283894A1 true US20130283894A1 (en) 2013-10-31

Family

ID=45094187

Family Applications (2)

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US13/883,320 Abandoned US20130283894A1 (en) 2010-11-05 2011-11-03 Method and Apparatus for Examining Eggs
US14/936,354 Active 2032-12-21 US10206375B2 (en) 2010-11-05 2015-11-09 Method and apparatus for examining eggs

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US14/936,354 Active 2032-12-21 US10206375B2 (en) 2010-11-05 2015-11-09 Method and apparatus for examining eggs

Country Status (13)

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US (2) US20130283894A1 (ko)
EP (1) EP2635903B1 (ko)
JP (1) JP5830105B2 (ko)
KR (1) KR101849812B1 (ko)
CN (1) CN103261884B (ko)
BR (1) BR112013011158A2 (ko)
DK (1) DK2635903T3 (ko)
ES (1) ES2693100T3 (ko)
MY (1) MY179315A (ko)
PL (1) PL2635903T3 (ko)
RU (1) RU2583687C2 (ko)
TR (1) TR201816200T4 (ko)
WO (1) WO2012060704A1 (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150226654A1 (en) * 2012-09-04 2015-08-13 Katholieke Universiteit Leuven Method and apparatus for examining eggs
US20160057976A1 (en) * 2010-11-05 2016-03-03 Moba Group B.V. Method and Apparatus for Examining Eggs
US9606096B2 (en) 2012-07-05 2017-03-28 Moba Group B.V. Method and apparatus for detecting cracks in eggshells

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* Cited by examiner, † Cited by third party
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CN103521464B (zh) * 2013-10-25 2015-12-02 华中农业大学 基于机器视觉的散黄蛋识别和分离方法及装置
TWI666443B (zh) * 2013-11-06 2019-07-21 日商共和機械股份有限公司 Inspection device
WO2017058015A1 (en) * 2015-10-02 2017-04-06 Moba Group B.V. Detector for determining the force constant of food products in particular eggs, fruit and vegetables
JP2017146174A (ja) * 2016-02-17 2017-08-24 株式会社ナベル 卵の表面検査装置
RU171121U1 (ru) * 2016-06-03 2017-05-22 Федеральное государственное бюджетное образовательное учреждение высшего образования Санкт-Петербургская государственная академия ветеринарной медицины (ФГБОУ ВПО СПбГ АВМ) Устройство для измерения упругой деформации яиц
CN106179989A (zh) * 2016-07-18 2016-12-07 柳州国淘科技有限公司 一种利用超声波对鸡蛋质量分类的装置及控制方法
DE102016215127A1 (de) 2016-08-12 2018-02-15 Seleggt Gmbh Eieruntersuchungseinrichtung
CN109708950A (zh) * 2018-12-17 2019-05-03 合肥信达膜科技有限公司 一种卷式膜的强度检测机构
CN110501214B (zh) * 2019-07-03 2020-08-14 同济大学 一种球形颗粒多点接触试验装置及其加载方法
NL2025764B1 (en) 2020-06-05 2022-01-28 Moba Group Bv Poultry egg inspection method and system

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US6354148B2 (en) * 1997-02-28 2002-03-12 Kabushiki Kaisha Akashi Rebound-type hardness tester
US20030201209A1 (en) * 2000-05-29 2003-10-30 Josse De Baerdemaeker Detection system for sorting apparatus
US7284414B2 (en) * 2004-12-16 2007-10-23 Shaoming Wu Hardness testing device
US8818746B1 (en) * 2010-03-26 2014-08-26 The United States Of America As Represented By The Secretary Of The Army Crack detection in thick-walled cylinders

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160057976A1 (en) * 2010-11-05 2016-03-03 Moba Group B.V. Method and Apparatus for Examining Eggs
US10206375B2 (en) * 2010-11-05 2019-02-19 Moba Group B.V. Method and apparatus for examining eggs
US9606096B2 (en) 2012-07-05 2017-03-28 Moba Group B.V. Method and apparatus for detecting cracks in eggshells
US20150226654A1 (en) * 2012-09-04 2015-08-13 Katholieke Universiteit Leuven Method and apparatus for examining eggs
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Also Published As

Publication number Publication date
KR20140035868A (ko) 2014-03-24
CN103261884A (zh) 2013-08-21
JP5830105B2 (ja) 2015-12-09
CN103261884B (zh) 2015-10-07
US10206375B2 (en) 2019-02-19
MY179315A (en) 2020-11-04
KR101849812B1 (ko) 2018-04-17
EP2635903B1 (en) 2018-08-01
ES2693100T3 (es) 2018-12-07
JP2013543128A (ja) 2013-11-28
PL2635903T3 (pl) 2019-02-28
WO2012060704A1 (en) 2012-05-10
TR201816200T4 (tr) 2018-11-21
BR112013011158A2 (pt) 2016-08-23
US20160057976A1 (en) 2016-03-03
DK2635903T3 (en) 2018-11-19
EP2635903A1 (en) 2013-09-11
RU2583687C2 (ru) 2016-05-10
RU2013122392A (ru) 2014-12-10

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Owner name: MOBA GROUP B.V., NETHERLANDS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DE KETELAERE, BART;DE BAERDEMAEKER, JOSSE;BRUNNENKREEF, JEROEN EVERT JAN;REEL/FRAME:030788/0859

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