EP0720124A1 - Dispositif pour compter et déterminer des produits suspendus à des cintres pourvus de crochets - Google Patents

Dispositif pour compter et déterminer des produits suspendus à des cintres pourvus de crochets Download PDF

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Publication number
EP0720124A1
EP0720124A1 EP95117221A EP95117221A EP0720124A1 EP 0720124 A1 EP0720124 A1 EP 0720124A1 EP 95117221 A EP95117221 A EP 95117221A EP 95117221 A EP95117221 A EP 95117221A EP 0720124 A1 EP0720124 A1 EP 0720124A1
Authority
EP
European Patent Office
Prior art keywords
counting
light
light barrier
sensors
sensor
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.)
Granted
Application number
EP95117221A
Other languages
German (de)
English (en)
Other versions
EP0720124B1 (fr
Inventor
Dirk Sieksmeier
Thomas Blattner
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.)
Duerkopp Adler AG
Original Assignee
Duerkopp Adler AG
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 Duerkopp Adler AG filed Critical Duerkopp Adler AG
Publication of EP0720124A1 publication Critical patent/EP0720124A1/fr
Application granted granted Critical
Publication of EP0720124B1 publication Critical patent/EP0720124B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M7/00—Counting of objects carried by a conveyor
    • G06M7/02—Counting of objects carried by a conveyor wherein objects ahead of the sensing element are separated to produce a distinct gap between successive objects
    • G06M7/04—Counting of piece goods, e.g. of boxes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • G06M1/101—Design features of general application for actuating the drive by electric or magnetic means by electro-optical means

Definitions

  • the invention relates to a device for counting and determining conveyed goods hanging on hangers provided with hangers, in particular items of clothing, in which the hangers provided with a web are passed through a light barrier connected to a counting and evaluation unit and are detected by the latter.
  • Such a device is known from DE-A-33 15 597.
  • the transmitter and the receiver of the light barrier are arranged above and below the free end of the hook attached to the bracket and thus detect the tip of the hook passing the light barrier.
  • the hook of the bracket Since the light barrier is aligned with the tip of the hook, the hook of the bracket must have a defined shape so that it can be reliably detected. If the tip of the hook is too short, the bracket will not be grasped. If the hooks of two hangers hanging one behind the other on the trolley are crossed and the crossing point is at the tip of the hook, the light barrier detects only one bracket, so that this results in incorrect counts. Inclined brackets can also not be detected reliably by the light barrier and with a swinging hook swinging during the count, it is not excluded that it is just outside the light beam when passing the light barrier. Since the tip of the hook is detected, the loading side of the trolleys is defined by the light barrier.
  • DE-A-29 22 471 discloses a pedestrian counting device in which a light barrier is used which has at least two receiver pairs which are vertically spaced apart in one plane and consist of two mutually independent round sensors.
  • the arrangements of transmitters and receivers disclosed herein are intended to ensure that the light barrier only detects people who pass it and not other living beings.
  • a statement about the direction of the passage is to be made.
  • the light barrier must be installed in such a way that only one person can pass through the light barrier. Two people walking next to each other or in a row could not be recorded as two people.
  • the use of such a known light barrier device for counting continuously conveyed and cross-hanging brackets is excluded.
  • DE-A-30 45 657 discloses a counting device for counting components which are attached to a belt at intervals. Here too, only individual components passing the light barrier can be counted. Components lying one above the other or close to one another could not be detected as several.
  • the light barrier has at least two receiver pairs which are vertically spaced apart in one plane and each consist of two mutually independent sensors, and the sum of the horizontal center distance and the diameter or the width of the sensors is less than or equal to the width or the diameter of the web of the hanger hook.
  • This design makes it possible to detect the webs of the hanger hooks, so that the hook shape has no influence on the counting result.
  • Different hangers can be used one after the other.
  • the receiver pairs make it possible to count the stirrups regardless of the direction of conveyance. Since the web of the temple hook is detected at two different vertical locations, crossed arms can basically be detected.
  • the pairs of receivers are vertically spaced from each other so that the crossing point of two hooks is generally smaller than the distance. This means that at most one pair of receivers can detect two crossed brackets as one bracket.
  • the other pair of receivers detects two stirrups.
  • the light of the pairs of receivers is preferably supplied via light guides. This has the advantage that the optoelectronic components can be integrated into the circuit.
  • the receiver pairs preferably have a vertical distance of 5 mm from one another.
  • the transport direction of the conveyed goods can be detected by registering the first signal change, because depending on this, either the first or the second sensor first experiences a change in status.
  • the device can have a further light barrier for detecting and counting carriages carrying the stirrups, which is connected to the counting and evaluation unit.
  • Each of the support arms 11 engages with its hook-shaped ends through a recess 12 in a bracket 13 which is welded to one end of a U-shaped support 14.
  • a tab corresponding to the tab 13 is welded in the same manner, which in turn is connected in the manner described above to the end of a further support arm attached to the pull cord 10.
  • Drivers, of which a driver 15 is shown, are arranged within the U-shaped carrier 14.
  • the arrangement of the tensile strand 10 in the hollow profile 4 is such that the tensile strand 10, including support arms 11 attached thereto and supports 14 suspended thereon, can be moved in or opposite to the direction of the arrow R by means of the drive motor mentioned.
  • the free end of the left holder 7 is formed with an extension 16 to which a rail 17 is attached.
  • the rail 17 is formed in a known manner from sheet metal as a hollow profile, the upper semicircular edge forming a raceway 18.
  • a correspondingly shaped roller 19 is mounted thereon and is rotatably received in a bearing 20.
  • the bearing 20 is made of flat steel and extends around the roller 19. The above construction ensures contact between the driver 15 and the bearing 20.
  • a lever 21 is formed on the bearing 10 on one side, which has a bent end 22 and a web 23 in addition to a bend.
  • the web 23 and the end 22 have, not designated, aligned bores, which extend along an axis 24.
  • the axis 24 runs through the center of the semicircle Raceway 18 or centrally through the roller 19.
  • a pin 25 is accommodated in the bores so that it can rotate and is secured in the axial direction.
  • the pin 25 ends in a leg 26 of a U-shaped tube 27.
  • the tube 27 is only shown with the leg 26 and an essentially horizontal support tube 28.
  • the other side of the tube 27, not shown is formed and in turn is supported by a roller on the track 18 of the rail 17.
  • hangers 31, 32, 33 and 34 are hung on the support tube 28 by hangers, hereinafter called hangers 31, 32, 33 and 34.
  • hangers 31, 32, 33, 34 a web 35 extends from the hook 30 to a cross member 36, on which a piece of clothing to be transported (not shown) is suspended, which, however, is not essential for the counting process to be described is required.
  • the bracket 31 is in a vertically hanging, ie normal position, the bracket 32 in a slightly obliquely hanging position and the bracket 33, 34 in a position in which their webs 37 and 38 cross and thus form a crossing point 39.
  • an angle 40 is screwed to the left holder 7, which has a bent leg 41.
  • a guide plate 42 is screwed onto its underside, which has a fixed light transmitter 43 of an optoelectronic sensor 44 on its upper side.
  • an angle 45 corresponding to the angle 40 is screwed to the right holder 6, to which a guide plate 46 is fastened.
  • the guide plates 42, 46 are arranged such that a gap of 4 to 5 centimeters is formed between their facing edges, which the webs 35, etc. of the brackets 31 to 34 pass through.
  • a receiver 47 which is also part of the sensor 44, is fastened on the guide plate 46.
  • the receiver 47 and the light transmitter 43 form a light barrier and are positioned relative to one another in such a way that emitted light can be perceived by the light transmitter 43 in a defined manner, as will be described in detail below.
  • a counting point 48 is formed on the overhead conveyor 1.
  • a light barrier 49 directed onto the tube 28 is arranged on the angle 45, in which the light transmitter and light receiver are accommodated in a housing.
  • the light transmitter parts 43a, 43b, 43c, 43d are arranged in alignment with the receiver pairs 47a, 47b, 47c, 47d in such a way that light propagates between them in each case on beam paths, as is indicated in FIG. 3 with dashed connecting lines.
  • the free ends of the light guides L1, L2 are connected to an evaluation circuit 50 via an optoelectronic interface.
  • the evaluation circuit 50 works according to an algorithm to be described.
  • the evaluation circuit 50 can assume one of the states Z0, Z1, Z2, Z3, Z4, Z5 and Z6, as is shown schematically in FIG. 9.
  • the light transmitter parts 43a, b, c, d are dimensioned such that they are able to expose both light guides L1, L2 of the receiver pairs 47a, b, c, d simultaneously.
  • the light transmitter part 43a is connected via a line 51 to a control circuit 52.
  • the evaluation circuit 50 and the control circuit 52 are linked to one another according to the circuit and form parts of an electronic control 53 for the light guides L1, L2.
  • the controller 53 is provided with a control line 54 and outgoing lines 55a, 56a and 57a. These are connected to a decimal counter. Lines 55a and 57a serve to increase or decrease the decimal counter 58a by the number 1. Line 56a is used to reset decimal counter 58a.
  • a selection circuit 60 which is connected to a four-digit decimal display 61. This is shown in FIG. 8 by way of example with a count of 0183.
  • the light barrier 49 is connected via a line 62 to the controller 53, which in turn is connected via a line 63 to a two-digit display 64. This is shown in FIG. 8 with a count of 21. Finally, the controller 53 is still connected to a voltage supply. All components connected to the sensor 44 and the light barrier 49 form a counting device 65.
  • the sensor parts 44a to 44d are operated by the control circuit 52 in a sequential manner with a high switching frequency. This means that only one of the four sensor parts 44a to 44d is activated for a short time, that is, only one light transmitter part is supplied with power and only the associated pair of light guides is monitored for its operating states. Then the next sensor part is activated, etc.
  • This mode of operation includes a mutual influence of the side by side arranged sensor parts 44a to 44d.
  • the operation of light barriers arranged close to one another is known from DE 33 45 008 C2.
  • the light barrier 49 detects the support tube 28.
  • the controller 53 sends the signal via line 63 to the two-digit decimal display 64, so that the number of passing carriages 29 is displayed here.
  • the normal, that is to say vertically hanging, bracket 31 passes through the counting point 48, the relative positions shown in FIG. 6 and corresponding operating states of the light guides L1, L2 resulting sequentially.
  • the brackets 31 and 34 come in, their webs may come into contact with the guide plates 42, 46, so that a certain alignment of the brackets for the subsequent counting process is achieved.
  • each of the light guides L1 and L2 changes its state in the order L, H, L when the web 35 of a bracket passes in or opposite to the direction of the arrow R, if the web 35 has a width c which is at least the diameter or corresponds to the width d of the light guide L1 or L2.
  • the mathematical condition must be met for the requirement that both light guides can also be completely covered a + d ⁇ c , be fulfilled.
  • the counting device 65 is able to identify a direction for the stirrups to be counted.
  • states of the light guides L1, L2 cause changes in the state of the evaluation circuit 50 by the states Z2, Z3 and Z0 in accordance with the arrows PHH, PHL and PLL drawn in a straight line.
  • the evaluation circuit 50 causes the decimal counter 58a to be incremented by the number 1.
  • decimal counter 58a is reduced by the number 1 if the state of the evaluation circuit 50 changes due to the sequence of the states Z0, Z4, Z5, Z6, Z0. This sequence is shown accordingly, but with straight arrows pHL, pHH, pLH, pLL, designated with small initial letters.
  • the pulse finally output by the evaluation circuit 50 is fed to the digital counter 58a.
  • the signals from the other sensor parts 44b, 44c and 44d are also processed, so that the associated digital counters 58b, 58c and 58d also contain a counting result.
  • the brackets 32, 33 and 34 also pass through the counting point 48. While the gently sloping bracket 32 does not have any special features for the counting process, the crossing brackets 33, 34 are detected represents a new situation. In this case, the crossing point 39 of the webs 37, 38 is detected as a single part, which causes an incorrect measurement reduced by 1. Such an incorrect measurement can occur depending on the operating conditions on one or more of the sensor parts 44a to 44d. In this regard, reference is made in particular to FIG. 7. It can be seen from this that the top two receiver pairs 47a, 47b of the sensor parts 44a, 44b detect the crossing point 39 as a single bracket, while the receiver pairs 47c, 47d recognize two brackets.
  • the counting process is ended.
  • the counted values summed up in the decimal counters 58a, 58b, 58c, 58d are passed on to the selection circuit 60, which causes the maximum counted value to be output to the decimal display 61 from the supplied count values in accordance with this exemplary embodiment.
  • the result of the counter device 65 can then be recorded by reading the counter readings on the decimal displays 61, 64 or passed on to a central data processing system. After the counting result has been accepted, all counters involved are set to zero by means of a corresponding pulse.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Conveyors (AREA)
  • Chain Conveyers (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
EP95117221A 1994-12-23 1995-11-02 Dispositif pour compter et déterminer des produits suspendus à des cintres pourvus de crochets Expired - Lifetime EP0720124B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4446172 1994-12-23
DE4446172 1994-12-23

Publications (2)

Publication Number Publication Date
EP0720124A1 true EP0720124A1 (fr) 1996-07-03
EP0720124B1 EP0720124B1 (fr) 1999-06-09

Family

ID=6536833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117221A Expired - Lifetime EP0720124B1 (fr) 1994-12-23 1995-11-02 Dispositif pour compter et déterminer des produits suspendus à des cintres pourvus de crochets

Country Status (4)

Country Link
US (1) US5646398A (fr)
EP (1) EP0720124B1 (fr)
JP (1) JPH08235338A (fr)
DE (1) DE59506164D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2296987B (en) * 1995-01-13 1998-04-15 Salpomec Oy Counter for garment hangers

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100628686B1 (ko) * 2001-11-28 2006-09-28 주식회사 포스코 라이트 배리어 센서의 휴대용 레벨 센터링 감지장치
FR2838221B1 (fr) * 2002-04-05 2004-08-20 Patrick Allouche Procede et dispositif de comptage de cintres pour vetements suspendus
WO2003085596A1 (fr) * 2002-04-05 2003-10-16 Pjm Sprl Comptage de portemanteaux
US7565222B2 (en) * 2004-01-15 2009-07-21 Fawn Engineering Corporation Economical optical system to provide reasonable assurance of completed vend or vendible items from vending machines
US7572176B2 (en) * 2004-06-14 2009-08-11 Bettcher Industries, Inc. Overhead poultry conveying and counting system
US7378642B2 (en) * 2005-05-25 2008-05-27 Jones Clyde B Counting apparatus and method for a poultry processing plant
US20090279193A1 (en) * 2008-04-21 2009-11-12 Jones Clyde B Method and apparatus for mounting sensors in frames
ES2384862B1 (es) * 2010-08-02 2013-05-22 JUAN GARCíA LEGAZ Sistema de identificación y conteo automático de perchas.
DE102021211484A1 (de) * 2021-10-12 2023-04-13 Dürkopp Fördertechnik GmbH Verfahren und Anlage zum Kommissionieren und Packen von hängend geförderten Einzelwaren

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922471A1 (de) 1978-11-04 1980-05-08 Tanaka Business Machines Co Passanten-zaehlvorrichtung
DE3045657A1 (de) 1980-12-04 1982-07-08 O. & K. Geißler GmbH, 8000 München Zaehlgeraet zum zaehlen gegurteter bauelemente
DE3315597A1 (de) 1983-04-29 1984-10-31 Hans 6905 Schriesheim Otto Zaehlvorrichtung
JPS61275611A (ja) * 1985-05-31 1986-12-05 Universal:Kk 硬貨の径測定装置
EP0308223A2 (fr) * 1987-09-16 1989-03-22 Mainline Technology Limited Comptage d'articles
EP0332349A2 (fr) * 1988-03-03 1989-09-13 LECO (PRODUCTS) LIMITED, in liquidation, legally represented by Mr. M. Hinton, Griffen & Partners Compteur de rêvetements

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553465A (en) * 1968-08-30 1971-01-05 Koppers Co Inc Electronic counter for counting serially advancing oscillating objects
US4151402A (en) * 1976-06-28 1979-04-24 Chisholm Edward E System and apparatus for counting hanging garments
US4877954A (en) * 1986-09-22 1989-10-31 Arnold I. Neuman Light counting system for convex articles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922471A1 (de) 1978-11-04 1980-05-08 Tanaka Business Machines Co Passanten-zaehlvorrichtung
DE3045657A1 (de) 1980-12-04 1982-07-08 O. & K. Geißler GmbH, 8000 München Zaehlgeraet zum zaehlen gegurteter bauelemente
DE3315597A1 (de) 1983-04-29 1984-10-31 Hans 6905 Schriesheim Otto Zaehlvorrichtung
JPS61275611A (ja) * 1985-05-31 1986-12-05 Universal:Kk 硬貨の径測定装置
EP0308223A2 (fr) * 1987-09-16 1989-03-22 Mainline Technology Limited Comptage d'articles
EP0332349A2 (fr) * 1988-03-03 1989-09-13 LECO (PRODUCTS) LIMITED, in liquidation, legally represented by Mr. M. Hinton, Griffen & Partners Compteur de rêvetements

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 134 (P - 571) 28 April 1987 (1987-04-28) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2296987B (en) * 1995-01-13 1998-04-15 Salpomec Oy Counter for garment hangers

Also Published As

Publication number Publication date
DE59506164D1 (de) 1999-07-15
EP0720124B1 (fr) 1999-06-09
JPH08235338A (ja) 1996-09-13
US5646398A (en) 1997-07-08

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