WO2010135764A1 - Dispositif de mesure volumétrique - Google Patents

Dispositif de mesure volumétrique Download PDF

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Publication number
WO2010135764A1
WO2010135764A1 PCT/AU2010/000616 AU2010000616W WO2010135764A1 WO 2010135764 A1 WO2010135764 A1 WO 2010135764A1 AU 2010000616 W AU2010000616 W AU 2010000616W WO 2010135764 A1 WO2010135764 A1 WO 2010135764A1
Authority
WO
WIPO (PCT)
Prior art keywords
article
arm
aid
rectangular prism
horizontal
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/AU2010/000616
Other languages
English (en)
Inventor
Stephen Bruce Alexander
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.)
Individual
Original Assignee
Individual
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
Priority claimed from AU2009902374A external-priority patent/AU2009902374A0/en
Application filed by Individual filed Critical Individual
Publication of WO2010135764A1 publication Critical patent/WO2010135764A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0021—Measuring arrangements characterised by the use of mechanical techniques for measuring the volumetric dimension of an object

Definitions

  • the present invention relates to devices that aid in determining the volume of an object and more particularly but not exclusively to aid in determining the minimum volume of a cube that will contain the object.
  • a still further disadvantage is the cost of manufacture of these scanners.
  • a device to aid in calculating the volume of a rectangular prism to contain an article with the article resting on a base
  • the device including, a support to be positioned adjacent the base, an arm movably mounted on the support, the arm having a portion to be moved into engagement with the article to aid in determining the minimum volume of a rectangular prism that would enclose the article, said portion being movable in X, Y and Z directions relative to said support, and sensors to detect displacement of said portion to provide a horizontal longitudinal length, a horizontal transverse width and a vertical height of the prism
  • said device includes transmitters operatively associated with the sensors to provide signals indicative of the length, width and height for delivery to a computer s
  • said arm is mounted on said support so that said portion is movable linearly in said directions
  • said portion is movable angularly about a honzontal X and a horizontal Y axis and is movable upwardly so as to have a vertical direction component of movement 0
  • said portion is a sphere
  • the sphere is located on a lower extremity of said arm
  • said rectangular prism is a cube
  • said arm is telescopic with at least two telescopic longitudinal sections S
  • said arm is an elongated flexible element
  • said arm is upwardly retractable when released
  • Figure 1 is a schematic front elevation of a device to aid in determining the volume of a rectangular prism
  • Figure 2 is a schematic elevation of the device of Figure 1
  • Figure 3 is a schematic side elevation of the device of Figure 2
  • Figure 4 is a schematic top plan view of the device of Figure 4
  • Figure 5 is a schematic side elevation of a modification of the device of Figures 1 to 4;
  • Figure 6 is a schematic front elevation of a modification of the device of Figures 1 to 4;
  • Figure 7 is a schematic end elevation of the device of Figure 6; and Figure 8 is a schematic top plan view of the device of Figures 6 and 7.
  • a device 10 to aid in determining the minimum volume of a rectangular prism within which an article can be located.
  • the device 10 may be employed by a postal authority to aid in determining the minimum volume of the previously mentioned "virtual cube".
  • a rectangular prism encompasses cubes.
  • the device 10 is intended to be mounted adjacent a generally horizontal surface (base) 11 upon which an article 12 rests.
  • the surface 11 may be part of the front counter of a postal authority.
  • the surface 1 1 would need a grid that would provide for the accurate location of the article 12 in a predetermined position enabling it to be engaged by the device 10, thereby enabling the device 10 to accurately calculate volume.
  • the article 12 is as cube, however it should be appreciated that the article 12 may be of other configurations and that the device 10 is intended to provide the minimum volume of a cube that would encompass the article 12.
  • the device 10 further has a frame 13 that includes an upper generally horizontal beam 14.
  • the beam 14 supports a telescopic member 15.
  • the telescopic member 15 includes an upper part 16, an intermediate part 17 and a lower part 18. However it should be appreciated that the member 15 may have two, three of four telescopic parts.
  • the parts 16, 17 and 18 are telescopically associated with adjacent parts 16, 17 and 18 being supported by linear bearings 19.
  • the part 18 adjacent its lower end is provided with a handle 20 that is gripped by a user to aid in moving the lower extremity of the part 18.
  • the part 18 at its lower most extremity is provided with a sphere 21 that is used to contact the article 12.
  • an elongated flexible element (wire) 22 that is wound about a spool 23 urged to retract the element 22 onto the spool 23.
  • the spool 23 may be operatively associated with a spring that causes rotation of the spool 23 about the axis 24 to wind the element 22 onto the spool 23.
  • Operatively associated with the spool 23 is a rotary encoder (and transmitter) 25 that provides a signal indicative of the angular displacement of the spool 23 about the axis 24. Accordingly the encoder 25 provides a single signal indicative of the displacement of the sphere 21 along the longitudinal axis 26 of the member 15.
  • the telescopic member 15 has the part 18 urged to retract into the part 17, and the parts 17 and 18 urged to retract into part 16.
  • the member 15 is supported for angular movement about a first axis 27 that is generally horizontal and parallel to the beam 14.
  • the member is also supported fors angular movement about a second axis 28 that is also horizontal and generally perpendicular to the axis 27.
  • the member 15 is mounted on the beam 14 by means of a two axis gimbal 29 that acts as a "universal joint".
  • angular encoders Located internally of the gimbal 29 are two angular encoders (transmitters) 30o that provide signals indicative of the angular displacement of the member 15 about the axes 27 and 28.
  • the encoders 25 and 30 deliver signals to a microprocessor 40 that communicates with a computer 41.
  • a touch screen 42 Operatively associated with the microprocessor 40 and computer 41 is a touch screen 42 that a user operates to control the device 10. 5
  • the computer 41 upon receiving information from the microprocessor 40 and touch screen 42 can calculate the displacement of the ball 21 in the X, Y and Z directions and therefore determine the volume of the cube that would encompass the article 12. That is the ball 21 would be moved to the various extremities of the article 12. Once at each extremity the operator via means of switch 43 would activate the encoders 25 and 30Q to send signals to the microprocessor 40.
  • the sphere 21 is employed to aid in more accurately determining the point of contact with the article 12. The sphere 21 will always engage the article 12 at a radial point from the centre of the sphere 21.
  • the above described preferred embodiment may be modified by providing a counter balance for the member 15.
  • the member 15 may be mounted on the beam 14 for linear movement in the X and Y directions, with the member 15 secured so that the axis 26 is always generally vertical.
  • Figure 5 there is schematically depicted a modification of the device 10.
  • a device 50 To replace the member 15 there is provided an elongated flexible element 51.
  • the element 51 may be metal wire or other elongated flexible element that is relatively inelastic.
  • the element 51 is wound about the spool 23, with the spool 23 urged to retract the element 51 so that the element 51 is under tension. Again the spool 23 would be mounted on the gimbal 29.
  • the volume of the virtual cube that would encompass the article 12 can be accurately determined.
  • a further advantage is that the device 10 is easy to operate and easily mounted adjacent a work bench such as a counter of a postal authority. When not in use, the member 15 is telescopically retracted so as to not obstruct the work surface.
  • FIG. 6 to 8 there is schematically depicted a modification of the device 10.
  • the device 60 has carriage 62 that is linearly moveable in the direction 61 on the beam 14.
  • the member 15 is angularly movable about the horizontal axis 63, the axis 63 being generally parallel to the direction 61. Movement of the member 15 in the direction 61 is measured by an encoder 65.
  • the encoder 65 and its associated reel 64 is mounted on the carriage 62 so as to move therewith.
  • An elongated flexible element 66 is attached to a remote end of the beam 14.
  • the reel 64 is urged to retract the element 66.
  • the encoder provides a signal as previously described to indicate the displacement of the carriage 62 and therefore the member 15.
  • a switch 67 provides an indication of the "home" position.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

L'invention porte sur un dispositif (10) d'aide à la détermination du volume minimal d'un prisme rectangulaire à l'intérieur duquel un article peut être disposé. Par exemple, le dispositif (10) peut être utilisé par une autorité postale pour aider à déterminer le volume minimal d'un « cube virtuel ».
PCT/AU2010/000616 2009-05-25 2010-05-21 Dispositif de mesure volumétrique Ceased WO2010135764A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2009902374A AU2009902374A0 (en) 2009-05-25 A volumetric measuring device
AU2009902374 2009-05-25

Publications (1)

Publication Number Publication Date
WO2010135764A1 true WO2010135764A1 (fr) 2010-12-02

Family

ID=43222046

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2010/000616 Ceased WO2010135764A1 (fr) 2009-05-25 2010-05-21 Dispositif de mesure volumétrique

Country Status (1)

Country Link
WO (1) WO2010135764A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102147280A (zh) * 2010-12-24 2011-08-10 费金华 多功能量筒

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402594A (en) * 1966-09-21 1968-09-24 Pierre P. Berthiaume Volume measuring device
JPH01302106A (ja) * 1988-05-31 1989-12-06 Nishiyama:Kk 体積の測定方法及びその装置
US4888877A (en) * 1987-11-26 1989-12-26 Carl-Zeiss-Stiftung, Heidenhein/Brenz Articulating head for a coordinate-measuring instrument
US4910446A (en) * 1986-06-14 1990-03-20 Renishaw Plc Coordinate positioning apparatus
US4961267A (en) * 1987-05-23 1990-10-09 Carl-Zeiss-Stiftung Method and apparatus for making coordinate measurements
EP1441194A1 (fr) * 2003-01-24 2004-07-28 Mitutoyo Corporation Instrument de mesure
US20060053648A1 (en) * 2002-10-29 2006-03-16 Koninklijke Philips Electronics N.V. Coordinate measuring device and a method for measuring the position of an object

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402594A (en) * 1966-09-21 1968-09-24 Pierre P. Berthiaume Volume measuring device
US4910446A (en) * 1986-06-14 1990-03-20 Renishaw Plc Coordinate positioning apparatus
US4961267A (en) * 1987-05-23 1990-10-09 Carl-Zeiss-Stiftung Method and apparatus for making coordinate measurements
US4888877A (en) * 1987-11-26 1989-12-26 Carl-Zeiss-Stiftung, Heidenhein/Brenz Articulating head for a coordinate-measuring instrument
JPH01302106A (ja) * 1988-05-31 1989-12-06 Nishiyama:Kk 体積の測定方法及びその装置
US20060053648A1 (en) * 2002-10-29 2006-03-16 Koninklijke Philips Electronics N.V. Coordinate measuring device and a method for measuring the position of an object
EP1441194A1 (fr) * 2003-01-24 2004-07-28 Mitutoyo Corporation Instrument de mesure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102147280A (zh) * 2010-12-24 2011-08-10 费金华 多功能量筒

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