WO2020140160A1 - Matériel et procédé pour mesurer la fermeté d'objets tels que des fruits - Google Patents

Matériel et procédé pour mesurer la fermeté d'objets tels que des fruits Download PDF

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Publication number
WO2020140160A1
WO2020140160A1 PCT/CL2019/050001 CL2019050001W WO2020140160A1 WO 2020140160 A1 WO2020140160 A1 WO 2020140160A1 CL 2019050001 W CL2019050001 W CL 2019050001W WO 2020140160 A1 WO2020140160 A1 WO 2020140160A1
Authority
WO
WIPO (PCT)
Prior art keywords
horizontal plate
fruit
firmness
fixed horizontal
mobile structure
Prior art date
Application number
PCT/CL2019/050001
Other languages
English (en)
Spanish (es)
Inventor
Robinson Eduardo GALVEZ HERRERA
Original Assignee
Galvez Herrera Robinson Eduardo
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 Galvez Herrera Robinson Eduardo filed Critical Galvez Herrera Robinson Eduardo
Priority to PCT/CL2019/050001 priority Critical patent/WO2020140160A1/fr
Publication of WO2020140160A1 publication Critical patent/WO2020140160A1/fr

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Classifications

    • 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
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • 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
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing
    • 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
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
    • 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
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food

Definitions

  • the present invention is related to the equipment, systems and methods to measure firmness, texture and size properties in fruit products such as cherries, blueberries, grapes or any other, in order to evaluate the quality of the product and determine its price and destination. marketing.
  • the quality of the fruit is of utmost importance. During the harvest and once the fruit is separated from the plant, the times in which it will maintain its quality are extremely short, having a proper post-harvest and cold chain of great importance. In this sense, the condition and quality of the fruit have a significant impact on the setting of prices and the choice of final marketing destinations, which determines the success of the export business.
  • the quality of the fruit must be previously determined to be processed (classified and packaged) according to parameters such as firmness (closely related to maturity), size or caliber, Brix or measure of sweetness, damage, color, etc. Traditionally these parameters were manually determined by operators or qualified people during the fruit reception process, but currently there are equipment on the market that allows this function to be performed, especially the measurement of firmness in fruits, such as cherries.
  • This equipment is the Firmtech developed by the firm BioWorks, Inc, which measures the firmness of fruits placed in cavities shaped like a spherical cap on a circular plate that automatically rotates to sequentially position each cherry under a small load cell. A predetermined force or displacement is progressively applied to the cherry, the response of which is measured by the load cell. Thus, the division of the force measured by the load cell over the displacement actually occurred during compression determines the firmness.
  • Equipment output data such as average firmness, minimum and maximum sample firmness, standard deviation, and firmness frequency distribution can be displayed on a computer connected to that equipment.
  • state-of-the-art equipment has the drawback that it is difficult to load the samples on the disc in their correct position when the equipment is running since the operator has a window of a few seconds when the disc is stopped to carry each fruit. If a sample is misplaced or the operator touches the disc when a measurement is taking place, the measurement may be distorted.
  • a kit for measuring the firmness of objects such as fruit, which comprises:
  • the horizontal plate on which the objects to be measured are arranged is fixed, so there is no risk that said objects will move involuntarily during the measurement process.
  • Another advantage is that having a fixed horizontal plate design, there are no restrictions on the amount of weight to be loaded on the machine related to the power of the motors, as is the case with state-of-the-art mobile plates.
  • the present invention is easily scalable to any type, size and weight of object to be measured, such as different varieties of fruit, since it is only enough to increase or decrease the size of the plate and the length of the axes that support the mobile structures. Thus, it is not necessary to replace the motors or the design of the mobile structures, this because the configuration of the mobile structure that moves on the horizontal plate will always be the same, regardless of the size or shape of the product that is placed on the bale.
  • the load cell is the one that moves both longitudinally, transversely and vertically to position itself sequentially on each object located on the horizontal plate and measure the firmness by descending on the object and pressing it on the plate.
  • This configuration in which the load cell moves sequentially in all three dimensions by means of the mobile structures operated by the three independent motors, also avoids having to stop the equipment to measure new samples. This allows the load cell to move on the horizontal plate and the samples already measured can be replaced by others to be evaluated in a new continuous measurement cycle, significantly shortening sampling times and increasing measurement rates.
  • a method for measuring the firmness of objects such as fruit, through a kit to measure the firmness which comprises the following steps: a) placing the fruit to be measured on a fixed horizontal equipment plate to measure firmness;
  • c) define a movement path of a contact piece of equipment to measure firmness, according to the chosen arrangement
  • step d j) after step h), if the end of the fixed horizontal plate has been reached, determine if you want to continue adding fruit to said fixed horizontal plate; or k) in case you have not reached the end of the fixed horizontal plate, repeat from step d);
  • stage j after stage j), in case you want to continue adding fruit to the fixed horizontal plate, return the contact piece to the initial position, remove the fruit and, according to said fixed horizontal plate, place new fruits on it and repeat from stage d); or m) in case you do not want to continue adding fruit to the fixed horizontal plate, return the contact piece to the initial position and finish the measurement.
  • FIG. 1 illustrates a perspective view of the equipment of the present invention.
  • FIG. 2 illustrates an exploded view of the parts that make up the equipment of the present invention.
  • FIG. 3 illustrates a block diagram of the procedure to measure the firmness of objects such as fruit, through a kit to measure the firmness, according to the present invention.
  • the proposed firmness measurement equipment is made up of a series of moving parts that move in relation to a fixed structure, as seen in Figure 1.
  • the fixed structure consists of a stationary chassis 1 that supports a horizontal plate (17 ) on which the objects to be measured are arranged.
  • a load cell (19) configured to move on the XYZ axes, by means of three motors that act respectively on three motorized screws (or any type of linear actuator).
  • the horizontal plate (17) has a preferably rectangular shape, or any shape that can be contained in a plane, such as polygonal, circumferential, curved shapes or a combination thereof, and has on its surface a plurality of cavities ( 24) preferably matrix-oriented, that is, oriented in parallel rows along the plate.
  • the cavities (24) preferably have a spherical cap shape suitable to receive rounded elements such as cherries, blueberries, among others.
  • the stationary chassis (1) consists of a base with supports on its lower part, which according to the illustrated modality is made up of two parallel profiles angled at 90 ° and two covers perpendicular to them located at their ends, forming a frame structure.
  • Two longitudinal axes (8, 10) preferably cylindrical and one motorized longitudinal screw (9) are arranged inside said frame structure and connected to both covers, which according to the illustrated modality is located between both longitudinal axes and is connected at its rear end to a first motor (5).
  • Both the longitudinal axes (8, 10) and the longitudinal screw (9) are contained inside supports (25) located under the horizontal plate (17) and that in turn support a first movable structure (2) that can be moved in the direction longitudinal (Y).
  • the support containing the longitudinal screw (9) has a threaded hole. This configuration allows that when the longitudinal screw (9) is induced to rotate by the first motor (5), the first mobile structure (2) moves in one direction or the other on the Y axis.
  • the first mobile structure (2) is made up of a base located preferably under the horizontal plate and connected to the supports (25), where two parallel walls emerge perpendicular to the direction of advance of the base on the lateral ends of said base.
  • first mobile structure (2) between which and in its upper part, two preferably cylindrical transversal axes (11, 13) and a motorized transversal screw (12) are arranged.
  • the transverse screw (12) is located between both transverse axes and connected at one of its ends to a second motor (6).
  • the transverse axes (11, 13) and the transverse screw (12) are contained within a second movable structure (3) movable in the transverse direction (X). To carry out the displacement of the second mobile structure (3), it has a threaded hole through which the transverse screw (12) passes. This configuration allows that when the rotation of the transverse screw (12) is induced by the second motor (6), the second mobile structure (3) moves in one direction or the other on the X axis.
  • the vertical axes (14, 16) and the vertical screw (15) are contained within a third movable structure (4) movable in the vertical direction (Z).
  • a third movable structure (4) movable in the vertical direction (Z).
  • it has a threaded hole through which the vertical screw (15) passes. This configuration allows when induced the rotation of the vertical screw (15) by the third motor (7), the third mobile structure (4) moves in one direction or the other on the Z axis.
  • the third mobile structure (4) is connected to a load cell (19), which is arranged under said structure and connected to it by means of a threaded shaft (18) that allows the height of the load cell (19) to be adjusted. ).
  • a load cell (19) is arranged under said structure and connected to it by means of a threaded shaft (18) that allows the height of the load cell (19) to be adjusted.
  • the latter comprises a removable contact piece (20) and suitable for the type of object to which the firmness will be measured by means of the equipment of the present invention.
  • the motors (5, 6, 7), as well as the load cell have wired connections (not shown) which can be accommodated by means of cable guides (21, 22, 23).
  • a procedure to measure the firmness of objects such as fruit is described, through the equipment to measure the firmness, which is reflected from the block diagram of figure 3, which represents the steps of the procedure, as well as the decision possibilities according to the conditions during the operation.
  • the fruit to be measured is placed on the fixed horizontal plate (17), and then the measurement parameters are read by the team. This placement of the fruit is done, either manually or automatically. From this, the team defines the path of movement of the contact piece (20).
  • the contact piece (20) is raised, through the motor (7), to then proceed to move said contact piece (20), through the motors (5, 6), to position the piece of contact (20) on the fruit to be measured.
  • the contact piece (20) is positioned on the fruit, the fruit is measured, by lowering the contact piece (20), through the motor drive (7). If there is no fruit at the measurement point, the contact piece (20) returns to its initial position and the measurement ends. Otherwise, if there is a fruit at the measurement point, it must be determined whether the end of the fixed horizontal plate (17) has been reached. If the end of said plate has not been reached, the whole procedure is repeated, from the point of raising the contact piece (20) and positioning it in the fruit. On the other hand, if the end of the fixed horizontal plate (17) has been reached, it must be determined if it is desired to continue adding fruit to the plate. If all the measurements have not been completed, the contact piece (20) returns to its initial position and the measurement ends.
  • the contact piece is returned to its initial position, the fruit is removed and made to measure from the fixed horizontal plate (17) and the fruit is placed on said plate again.
  • the equipment's operating parameters these are given by default, however, they can also be modified by the user. These parameters correspond to:
  • Minimum force Corresponds to the minimum force exerted by the contact piece (20), this value is used to identify the size of the fruit and define the starting point of the firmness calculation;
  • Maximum height Corresponds to the height above the fixed horizontal plate (17) that the contact piece (20) raises each time it is positioned on a new fruit. This height must be higher than that of the fruit with the highest caliber inside the plate;
  • Minimum height Corresponds to the terminal height on the fixed horizontal plate (17) that the contact piece (20) lowers looking for a new fruit to measure. This height should be less than the height of the smallest caliber fruit inside the plate;
  • Measurement displacement Corresponds to the distance traveled by the contact piece (20) to make the firmness measurement, after having touched the fruit, that is, after having passed the point where the minimum force was exerted;

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Sorting Of Articles (AREA)

Abstract

La présente invention concerne un matériel et un procédé pour mesurer la fermeté d'objets tels que des fruits, le matériel comprenant: une plaque horizontale (17) sur laquelle sont disposés des objets à mesurer; une troisième structure mobile (4) déplaçable dans le sens vertical (Z) sur la plaque horizontale (17); une cellule de charge (19) connectée à la troisième structure mobile (4); une seconde structure mobile (3) connectée à la troisième cellule mobile (4) et déplaçable dans le sens transversal (X) sur la plaque horizontale (17); et une première structure mobile (2) connectée à la seconde structure mobile (3) et déplaçable dans le sens longitudinal (Y) sur la plaque horizontale (17).
PCT/CL2019/050001 2019-01-02 2019-01-02 Matériel et procédé pour mesurer la fermeté d'objets tels que des fruits WO2020140160A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CL2019/050001 WO2020140160A1 (fr) 2019-01-02 2019-01-02 Matériel et procédé pour mesurer la fermeté d'objets tels que des fruits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CL2019/050001 WO2020140160A1 (fr) 2019-01-02 2019-01-02 Matériel et procédé pour mesurer la fermeté d'objets tels que des fruits

Publications (1)

Publication Number Publication Date
WO2020140160A1 true WO2020140160A1 (fr) 2020-07-09

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PCT/CL2019/050001 WO2020140160A1 (fr) 2019-01-02 2019-01-02 Matériel et procédé pour mesurer la fermeté d'objets tels que des fruits

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WO (1) WO2020140160A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061020A (en) * 1976-08-13 1977-12-06 The Regents Of The University Of California Deformeter
FR2657434A1 (fr) * 1990-01-23 1991-07-26 Agronomique Inst Nat Rech Dispositif pour determiner automatiquement des caracteristiques physiques d'un produit et procede de mesure mis en óoeuvre au moyen de ce dispositif.
US20100170348A1 (en) * 2007-06-11 2010-07-08 Snaptron, Inc. Methods and Apparatus for Determining Deformation Response
US20170108855A1 (en) * 2015-10-16 2017-04-20 John Bean Technologies Corporation System and method for assessment of a workpiece in a continuous flow process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061020A (en) * 1976-08-13 1977-12-06 The Regents Of The University Of California Deformeter
FR2657434A1 (fr) * 1990-01-23 1991-07-26 Agronomique Inst Nat Rech Dispositif pour determiner automatiquement des caracteristiques physiques d'un produit et procede de mesure mis en óoeuvre au moyen de ce dispositif.
US20100170348A1 (en) * 2007-06-11 2010-07-08 Snaptron, Inc. Methods and Apparatus for Determining Deformation Response
US20170108855A1 (en) * 2015-10-16 2017-04-20 John Bean Technologies Corporation System and method for assessment of a workpiece in a continuous flow process

Non-Patent Citations (10)

* Cited by examiner, † Cited by third party
Title
"Loss of firmness in blueberry. Complexities of an attribute quality key", PORTAIFRUTICOIA.COM, TECHNICAL COLUMN, 10 April 2018 (2018-04-10), XP001596007, Retrieved from the Internet <URL:<https://www.portalfruticola.com/noticias/2018/04/1O/columna-tecnica-perdida-de-firmeza-en-arandano-complejidades-de-un-atributo-clave-de-calidad-por-bruno-defilippi/>.> [retrieved on 20190715] *
HAPPYVOLT: "FirmPro, Texturometer for Cherries, Blueberries, Grapes and More", 3 January 2018 (2018-01-03), Retrieved from the Internet <URL:<https://happyvolt.com/firmpro/>.> *
INIA: "New equipment for measuring firmness FirmPro", 23 August 2018 (2018-08-23), Retrieved from the Internet <URL:<http://www,inia.cl/postcosecha/2018/08/23/nuevo-equipo-para-medicion-de-firmeza-firmpro/>.> [retrieved on 20190715] *
ROBINSON CALVEZ ., FIRMPRO - PROOF ON SUBJECT PLATE OF BLUEBERRIES FOR EQUATORIAL MEASUREMENT, 13 April 2018 (2018-04-13), XP085479032, Retrieved from the Internet <URL:<https://vimeo.com/264656494>> [retrieved on 20190715] *
ROBINSON CALVEZ, FIRMPRO TEST IN GRAPES, 12 March 2018 (2018-03-12), Retrieved from the Internet <URL:<https://vimeo.com/259671098>> [retrieved on 20190715] *
ROBINSON CALVEZ, FIRMPRO TEST IN GRAPES, 14 March 2018 (2018-03-14), Retrieved from the Internet <URL:<https://vimeo.com/260136484>> [retrieved on 20190715] *
ROBINSON CALVEZ., CASE FIRMPRO, 9 July 2018 (2018-07-09), Retrieved from the Internet <URL:<https://vimeo.com/2790731Q6>Thewholevideo.Citedasnon-detrimentaldisclosure.> [retrieved on 20190715] *
ROBINSON GALVEZ, FIRMPRO TEST IN CHERRIES, 2 January 2018 (2018-01-02), Retrieved from the Internet <URL:<https://www.youtube.com/watch?v=AfEPIdODMjs>> [retrieved on 20190715] *
ROBINSON GALVEZ, FIRMPRO TEST IN CHERRIES, 3 January 2018 (2018-01-03), Retrieved from the Internet <URL:<https://vimeo.com/249526518>> [retrieved on 20190715] *
ROBINSON GALVEZ., EXTRACT FROM FIRMNESS TALK - X SEMINAR INTERNATIONAL BLUEBERRIES FESTIVAL CHILE 2018, 27 April 2018 (2018-04-27), XP025533734, Retrieved from the Internet <URL:<https://vimeo.com/266981834>> [retrieved on 20190715] *

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