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WO2018169264A1 - Système automatique de mesure de volume et de poids - Google Patents

Système automatique de mesure de volume et de poids Download PDF

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Publication number
WO2018169264A1
WO2018169264A1 PCT/KR2018/002875 KR2018002875W WO2018169264A1 WO 2018169264 A1 WO2018169264 A1 WO 2018169264A1 KR 2018002875 W KR2018002875 W KR 2018002875W WO 2018169264 A1 WO2018169264 A1 WO 2018169264A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
measuring
measured
measurement
sensor array
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.)
Ceased
Application number
PCT/KR2018/002875
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English (en)
Korean (ko)
Inventor
정연관
김대영
신남호
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.)
WELLTEC CO LTD
Original Assignee
WELLTEC CO LTD
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 WELLTEC CO LTD filed Critical WELLTEC CO LTD
Publication of WO2018169264A1 publication Critical patent/WO2018169264A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/002—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for postal parcels and letters
    • G01G19/005—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for postal parcels and letters with electric or electronic computing means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/13—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing having piezoelectric or piezoresistive properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material

Definitions

  • the present invention relates to an automatic volume and weight measurement system, and more particularly to an automatic volume and weight measurement system for automatically measuring the volume and weight of a parcel or cargo.
  • Accurate weight measurement is essential in the production of various parts of the industry, or in the reception of postal items or various baggage handled by the post office.
  • 1 shows an apparatus for measuring the weight and volume of a conventional measured object.
  • the volume of the object to be measured is measured using three sensors.
  • the width, length, and height of the object to be measured are measured, and the volume of the object to be measured is measured by using the measured length, height, and height.
  • the sensor measuring the horizontal length and the vertical length of the object under test is positioned exposed to the outside of the apparatus. As the sensor is exposed to the outside of the device in this way, the operator should be careful not to hit the sensor when moving the object to the workbench or removing the object from the workbench.
  • the conventional measuring device is inconvenient that the measurement is possible only if the object to be measured in close contact with one corner of the work table.
  • the problem to be solved by the present invention is to propose a method for reducing the inconvenience of hitting the sensor when the object to be placed on the work table to measure the volume and weight of the object to be measured.
  • Another problem to be solved by the present invention is to propose a method for reducing the inconvenience that the object to be closely adhered to one corner of the work table in order to measure the volume and weight of the object.
  • Another problem to be solved by the present invention is to propose a method for measuring the height of the measured object relatively accurately even when the specific surface of the measured object is not flat.
  • the measuring device of the present invention comprises a measuring top plate formed of a flat plate type; One side is in close contact with the measurement top plate, the connecting member including a rod type having a predetermined length; A distance measuring sensor including at least one of a left distance measuring sensor formed at a left side of the measuring top plate and a right distance measuring sensor formed at a right side of the measuring top plate; A height measuring sensor formed on the other side of the connection member; And a depth measuring sensor formed on one side of the measuring upper plate, wherein at least one of the distance measuring sensor, the height measuring sensor, or the depth measuring sensor includes a first sensor array and a second sensor array.
  • the first sensor array includes a first light emitting unit and a first light receiving unit
  • the second sensor array includes a second light emitting unit and a second light receiving unit.
  • the automatic volume and weight measurement apparatus and the method for receiving parcels using the same are provided in which a sensor for measuring a volume of a measurement object is normally positioned at the bottom of a measurement top plate on which the measurement object is seated. If you put it on, it will reduce the chance of hitting the sensor.
  • the measured object in order to measure the volume of the existing measured object, the measured object should be in close contact with one corner, and in this case, both left-handed and right-handed people could not be satisfied depending on the position of the corner.
  • the present invention can satisfy both the left-handed or the right-handed person because the object to be measured is in close contact with one side of the square top plate instead of being in close contact with the corner.
  • the present invention can accurately measure the height of the object to be measured relatively compared to the conventional case even when the top surface of the object to be measured is not flat using a plurality of height measuring sensors.
  • the length of the object to be measured can be accurately measured using a left and right distance measuring sensor or a length measuring sensor.
  • FIG. 1 shows an apparatus for measuring a volume of a conventional object under test.
  • FIG. 2 illustrates a measuring device for measuring a weight and a volume of a measurement target according to an embodiment of the present invention.
  • 3 to 5 illustrate a process of measuring the weight and volume of the object to be measured using the measuring device according to an embodiment of the present invention.
  • FIG. 6 illustrates a configuration of a height measuring sensor according to an embodiment of the present invention.
  • 7 to 9 illustrate an example of calculating a distance to an object to be measured using a sensor according to an embodiment of the present invention.
  • FIG. 2 illustrates a measuring device for measuring a weight and a volume of a measurement target according to an embodiment of the present invention.
  • an apparatus for measuring the weight and volume of the object to be measured according to an embodiment of the present invention will be described in detail with reference to FIG. 2.
  • the measuring device 200 includes a height measuring sensor, a left and right distance measuring sensor, a length measuring sensor, a measuring top plate, an actuator, and a base.
  • a height measuring sensor a left and right distance measuring sensor
  • a length measuring sensor a measuring top plate
  • an actuator a base
  • FIG. 2 illustrates a configuration for measuring the volume of the measurement object
  • a configuration for measuring the weight of the measurement object is included in the lower portion of the measurement upper plate.
  • the configuration for measuring the weight of the measurement object will be described later.
  • the base 235 is located at the bottom of the measuring device 200.
  • the base 235 is formed in a flat plate shape having a predetermined thickness.
  • the measurement top plate 225 is configured in the form of a flat plate so that the measurement object can be seated, and as described above, a configuration for measuring the volume of the measurement object and the actuator 220 and the depth measurement sensor ( A configuration is formed that connects the operations of 215.
  • the actuator 220 normally protrudes outward from the connection member 230, and when pressed, is introduced into the connection member 230.
  • the depth measurement sensor 215 operates in conjunction with the actuator 220. In detail, when the actuator 215 protrudes out of the connecting member 230, the depth measuring sensor 215 is led under the measuring top plate 225, and the actuator 215 is inwardly connected to the connecting member 230. Upon retraction, the depth measurement sensor 215 projects above the measurement top plate 225.
  • the depth measurement sensor 215 is positioned below the measurement top plate 225, so that the operator may rest the measurement object on the upper end of the measurement top plate 225 without colliding with the depth measurement sensor 215.
  • the depth measuring sensor 215 measures the distance from the object to be measured.
  • the depth measuring sensor 215 is the depth measuring sensor 215 when the depth measuring sensor 215 moves to the upper end of the measuring top plate 225 to measure the distance to the measurement object seated on the measuring top plate 225. Irradiation direction of the light irradiated from) is maintained in parallel with the measurement top plate (225).
  • the left and right distance measuring sensors 210 are positioned one each on the left and right sides of the measurement upper plate 225, and measure a distance from the measurement object seated on the upper end of the measurement upper plate 225.
  • the width of the object to be measured is calculated using the information measured by the left and right distance measuring sensor 210.
  • the height measuring sensor 205 is positioned on the upper end of the measuring upper plate 225, and measures the height of the measurement object seated on the upper end of the measuring upper plate 225.
  • the measuring device 200 has one side connected to the measurement top plate 225, and the other side includes a connection member 230 to which the height measuring sensor 205 is connected.
  • the connection member 230 is a bar type having a specific length, and the lower end is configured to have a constant width in the longitudinal direction so that the actuator 220 located in the center of the corner of the measurement upper plate 225 is built in.
  • the height measurement sensor 205 is connected.
  • the length of the connection member 230 is formed relatively longer than the height of the object to be seated on the measurement top plate 225.
  • the actuator detection sensor (not shown) detects whether the actuator is drawn into the connection member 230. That is, the actuator detecting sensor detects whether the user presses the actuator by using the object under test to measure the volume of the object under test.
  • the depth measuring sensor When it is determined that the actuator is pressed by the actuator detection sensor, the depth measuring sensor is moved upward by using the driving member, and when the pressurized force is removed, the depth measuring sensor is moved downward.
  • the measuring device of the present invention measures the weight of the measured object using a load cell located at the lower end of the measuring upper plate 225, and measures the volume of the measured object using various sensors.
  • 3 to 5 illustrate a process of measuring the weight and volume of the object to be measured using the measuring device according to an embodiment of the present invention.
  • FIG. 3 illustrates an example in which a measurement object is seated on an upper end of a measurement upper plate.
  • the depth measuring sensor 215 is positioned at the lower end of the measuring top plate 225, and the actuator 220 protrudes out of the connection member 230.
  • FIG. 4 shows an example of pressurizing the actuator by using the measurement object.
  • the actuator 220 is introduced into the connection member 230, and the depth measuring sensor 215 is located above the measurement upper plate 225. Protrudes.
  • the various sensors 205, 210, and 215 that are supplied with power measure the distance to the object to be measured.
  • the depth measuring sensor 215 interlocked with the driving of the actuator 220 protrudes above the measurement upper plate 225.
  • the left and right distance measuring sensor 210 including the depth measuring sensor 215, and the height measuring sensor 205 measure the distance from the measured object. .
  • FIG. 5 shows an example of separating a measurement object from the measurement top plate after the measurement of the weight and volume of the measurement object seated on the measurement top plate is completed.
  • the present invention moves the depth measurement sensor to the upper or lower surface of the measurement top plate according to the movement of the actuator.
  • FIG. 6 illustrates a height measuring sensor according to an embodiment of the present invention. According to FIG. 6, at least two sensors are formed in the form of an array in which one sensor is formed. 6 illustrates a first sensor array and a second sensor array as an example.
  • the height measuring sensor includes a light emitting part and a light receiving part that receives light reflected after being emitted from the light emitting part.
  • the present invention includes at least two light emitting portions and at least two light receiving portions. Accordingly, the height measuring sensor according to the present invention measures the height of at least two places of the object under measurement in measuring the height of the object under measurement.
  • the present invention determines that the upper surface of the measured object is flat when the height of the measured object is within the error range, and that the upper surface of the object is not flat when the height of the measured object is out of the error range. To judge. As described above, the present invention determines whether the top surface of the object to be measured is flat by using a height measuring sensor, and calculates the volume of the object to be measured using data that is relatively close to the object to be measured. In detail, the height of at least two objects to be measured is measured, and the height of the object to be measured is measured by using data having the height of the measured object among the measured data.
  • FIG. 7 illustrates a method of measuring a height of an object to be measured using a height measuring sensor according to an exemplary embodiment.
  • a method of measuring the height of the object to be measured using the height measuring sensor according to the exemplary embodiment of the present invention will be described with reference to FIG. 7.
  • a method of measuring a height of an object to be measured using the height sensor includes a height measuring sensor, a depth measuring sensor, and a measuring object mounted on a measuring top plate. As described above, it is assumed that the top surface of the object to be measured does not have the same height.
  • a height measuring sensor is used to measure the height of at least two points of the object under measurement, and a depth measuring object is used to measure the depth of the object under measurement.
  • the automatic volume and weight measurement device knows information about the location of the height sensor in the depth direction.
  • the volume and weight automatic measuring device assumes that the first sensor array of the height measuring sensor is formed at the 'a' point and the second sensor array is formed at the 'b' point in the depth direction.
  • the depth of the measured object measured by the depth measuring sensor is c '
  • the height of the measured object measured by the first sensor array is' d'
  • the height of the measured object measured by the second sensor array is' e '. 'Is assumed.
  • the volume and weight automatic measuring device stores the stored first sensor array, position information of the second sensor array, depth information measured by the depth measuring sensor, height information measured by the first sensor array, and height information measured by the second sensor array. To calculate the height of the measured object.
  • the inclination angle of the upper surface of the object to be measured is measured using the height of the object to be measured by the first sensor array and the height of the object to be measured by the second sensor array, and the depth information of the object to be measured by the depth measurement sensor is used. Calculate the height of the highest top surface of the object under test.
  • the present invention uses the stored first sensor array, position information of the second sensor array, depth information measured by the depth measurement sensor, height information measured by the first sensor array, and height information measured by the second sensor array.
  • FIG. 7 shows a case where the measured object is inclined at the top surface in the depth direction.
  • FIG. 8 proposes a method of measuring the height of the object under measurement when the object is inclined in the left and right direction.
  • FIG. 8 illustrates a method of measuring a height of an object to be measured using a height measuring sensor according to an exemplary embodiment of the present invention.
  • a method of measuring a height of a measurement object using a height measurement sensor according to an embodiment of the present invention will be described with reference to FIG. 8.
  • a method of measuring a height of an object to be measured using the height sensor includes a height measuring sensor, a left and right measuring sensor, and a measuring object mounted on a measuring top plate. As described above, it is assumed that the top surface of the object to be measured is not flat.
  • a height measuring sensor is used to measure the height of at least two points of the object under measurement, and a depth measuring object is used to measure the depth of the object under measurement.
  • the volume and weight automatic measurement device recognizes information about the location of the height measurement sensor in the left and right directions.
  • the volume and weight automatic measuring device assumes that the first sensor array of the height measuring sensor is formed at the 'a' point and the second sensor array is formed at the 'b' point in the horizontal direction.
  • the distance to the measured object measured by the left distance measuring sensor is c '
  • the distance to the measured object measured by the right distance measuring sensor is' d'
  • the measured object is measured by the first sensor array. It is assumed that the height of the workpiece is 'e' and the height of the workpiece measured by the second sensor array is 'f'.
  • the volume and weight automatic measuring device includes a stored first sensor array, position information of the second sensor array, depth information measured by the left and right distance measuring sensors, height information measured by the first sensor array, and height information measured by the second sensor array. Calculate the height of the measured object using.
  • the inclination angle of the upper surface of the object is measured by using the height of the object to be measured by the first sensor array and the height of the object to be measured by the second sensor array, and the distance between the object to be measured by the left and right distance measuring sensors.
  • the information is used to calculate the height of the highest top surface of the object under test.
  • the present invention measures the stored first sensor array, the position information of the second sensor array, the distance information with the measured object measured by the left and right distance measuring sensor, the height information measured by the first sensor array, and the second sensor array.
  • FIG. 9 illustrates a method of measuring a depth of an object to be measured using a depth measuring sensor according to an exemplary embodiment.
  • a method of measuring the depth of the object to be measured using the depth measuring sensor according to the exemplary embodiment of the present invention will be described with reference to FIG. 9.
  • the depth measurement sensor includes at least two sensor arrays.
  • the first sensor array includes a light emitting unit and a light receiving unit
  • the b sensor array also includes a light emitting unit and a light receiving unit.
  • the depth measuring sensor also measures and estimates the depth of the object to be measured in the same manner as described with reference to FIGS. 6 to 8.
  • the left and right distance measuring sensor configured as a sensor array may be used to measure and estimate the left and right distances of the object to be measured.
  • the measurement system of the present invention may further include a camera.
  • the camera is installed in the height measuring sensor unit or the connecting member, and the camera measures the upper part of the measurement object seated on the measuring top plate.
  • the camera photographs a sign attached to the upper part of the object to be measured.
  • the measurement system of the present invention can be installed in the camera other than the height measuring sensor portion or the connecting member.
  • the present invention relates to an automatic volume and weight measurement system, and more particularly to an automatic volume and weight measurement system for automatically measuring the volume and weight of a parcel or cargo.
  • the automatic volume and weight measurement system according to the present invention and the method for receiving parcels using the same are provided by the sensor unit for measuring the volume of the object to be measured at the bottom of the measuring plate on which the object is normally placed. If put on, it will reduce the possibility of hitting the sensor unit.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

La présente invention concerne un appareil de mesure automatique de volume et de poids pour mesurer automatiquement le volume et le poids d'un colis ou d'une cargaison. Pour ce faire, l'appareil de mesure selon la présente invention comprend : une plaque de mesure supérieure formée dans un type de plaque plate; un élément de liaison dont un côté vient en contact étroit avec la plaque de mesure supérieure et qui comprend un type de tige ayant une longueur fixe; un capteur de mesure de distance qui comprend un capteur de mesure de distance côté gauche formé sur le côté gauche de la plaque de mesure supérieure et/ou un capteur de mesure de distance côté droit formé sur le côté droit de la plaque de mesure supérieure; un capteur de mesure de hauteur formé sur l'autre côté de l'élément de liaison; et un capteur de mesure de profondeur formé sur un côté de la plaque de mesure supérieure. Au moins un capteur parmi le capteur de mesure de distance, le capteur de mesure de hauteur et le capteur de mesure de profondeur comprend un premier réseau de capteurs et un deuxième réseau de capteurs. Le premier réseau de capteurs comprend une première portion d'émission de lumière et une première portion de réception de lumière, et le deuxième réseau de capteurs comprend une deuxième portion d'émission de lumière et une deuxième portion de réception de lumière.
PCT/KR2018/002875 2017-03-14 2018-03-12 Système automatique de mesure de volume et de poids Ceased WO2018169264A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170031539A KR101909469B1 (ko) 2017-03-14 2017-03-14 부피 및 중량 자동 측정 장치
KR10-2017-0031539 2017-03-14

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WO2018169264A1 true WO2018169264A1 (fr) 2018-09-20

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KR200495293Y1 (ko) * 2020-01-09 2022-04-20 주식회사 지테크인터내셔날 부피 및 중량을 측정하는 스마트 전자 저울
KR102530271B1 (ko) 2021-08-23 2023-05-09 주식회사 위두쉽 보정알고리즘을 이용한 부피측정장치 및 이를 이용한 부피측정방법

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JPH10260025A (ja) * 1997-03-21 1998-09-29 Omron Corp 物体形状検出装置及び車両形状検出装置
US20020082802A1 (en) * 1989-09-01 2002-06-27 Stringer Bradley J. Object measuring and weighing apparatus and method for determining conveyance speed
KR100474165B1 (ko) * 1996-08-29 2005-07-01 하마마츠 포토닉스 가부시키가이샤 3차원형상계측장치
JP2015068658A (ja) * 2013-09-27 2015-04-13 Ｎｅｃエンベデッドプロダクツ株式会社 計測装置
KR101701108B1 (ko) * 2015-09-16 2017-02-14 주식회사 웰텍 부피 및 중량 자동 측정 시스템

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DE102007036129B3 (de) 2007-08-01 2008-09-25 Sick Ag Vorrichtung und Verfahren zur dreidimensionalen Überwachung eines Raumbereichs mit mindestens zwei Bildsensoren
JP5588153B2 (ja) 2009-11-17 2014-09-10 新光電子株式会社 寸法重量測定装置及び寸法重量測定方法
KR101207275B1 (ko) 2010-08-19 2012-12-12 대한민국 무게 측정장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020082802A1 (en) * 1989-09-01 2002-06-27 Stringer Bradley J. Object measuring and weighing apparatus and method for determining conveyance speed
KR100474165B1 (ko) * 1996-08-29 2005-07-01 하마마츠 포토닉스 가부시키가이샤 3차원형상계측장치
JPH10260025A (ja) * 1997-03-21 1998-09-29 Omron Corp 物体形状検出装置及び車両形状検出装置
JP2015068658A (ja) * 2013-09-27 2015-04-13 Ｎｅｃエンベデッドプロダクツ株式会社 計測装置
KR101701108B1 (ko) * 2015-09-16 2017-02-14 주식회사 웰텍 부피 및 중량 자동 측정 시스템

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KR20180104810A (ko) 2018-09-27

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