EP2080731B1 - Chariot de manutention doté d'au moins un transpondeur RFID - Google Patents

Chariot de manutention doté d'au moins un transpondeur RFID Download PDF

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Publication number
EP2080731B1
EP2080731B1 EP20090000079 EP09000079A EP2080731B1 EP 2080731 B1 EP2080731 B1 EP 2080731B1 EP 20090000079 EP20090000079 EP 20090000079 EP 09000079 A EP09000079 A EP 09000079A EP 2080731 B1 EP2080731 B1 EP 2080731B1
Authority
EP
European Patent Office
Prior art keywords
rfid transponder
data
truck
read
industrial truck
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.)
Not-in-force
Application number
EP20090000079
Other languages
German (de)
English (en)
Other versions
EP2080731A1 (fr
Inventor
Martin Von Werder
Lutz-Wilhelm Güde
Lars Schellenberg
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.)
Jungheinrich AG
Original Assignee
Jungheinrich 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 Jungheinrich AG filed Critical Jungheinrich AG
Publication of EP2080731A1 publication Critical patent/EP2080731A1/fr
Application granted granted Critical
Publication of EP2080731B1 publication Critical patent/EP2080731B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/0755—Position control; Position detectors

Definitions

  • the present invention relates to a system with a truck and at least one RFID transponder whose data can be read by a read / write device.
  • the individual production data is production-relevant additional information that is stored in the RFID transponder and that can be read out by the read / write device so that it can be made available to higher-level software, such as, for example, a manufacturing execution system (MES). for controlling production and monitoring the order of production steps.
  • MES manufacturing execution system
  • the data can also be routed to a Warehouse Management System (WMS), which handles the management of empty racks.
  • WMS Warehouse Management System
  • a truck which has an interface to the vehicle control, which is connected to a vehicle terminal.
  • the vehicle terminal is equipped with RFID antennas for communication at close range.
  • the vehicle is equipped with a W-LAN or a data radio device.
  • EP 1 732 027 A1 For example, an industrial truck with a device for transmitting vehicle-related data and a communication device for wireless data transfer is known.
  • EP 1 842 824 A2 For example, an industrial truck with a load-bearing means, a transmitting and receiving unit is known, whose transmitting and receiving area is directed to a region of the load-bearing means and an area in front of the load-carrying means.
  • a control unit that activates the transmitting and receiving unit to receive data from external transmitters is equipped with a sensor that detects a load on the load carrying means.
  • the invention has for its object to provide a system with a truck that provides additional data for a parent computer in an environment that is equipped with RFID transponders and read / write devices.
  • the truck according to the invention has or carries at least one RFID transponder whose data can be read out by a stationary in a field of application of the truck arranged read / write device.
  • the at least one RFID transponder is connected to a control unit via a data writing unit to write additional data on the driving and / or operating state of the truck in the RFID transponder and to provide for reading by the read / write device.
  • the connection can be made via radio or hardwired.
  • the truck according to the invention makes it possible not only to collect and forward data on the transported goods, but also to store data on the driving and / or operating state of the industrial truck in the RFID transponder. This joint data collection of data on the transported goods or its load carrying means and the transporting truck makes it possible to map in a higher-level control not only the movement of goods or load carrying means, but also the conditions of the truck.
  • the data writing unit preferably has a processor. With the use of a data writing unit, it is possible to store even more complex driving or operating conditions of the industrial truck by means of a suitable coding as additional data in the RFID transponder and thus to be available for higher-level management systems.
  • a central control of the truck is provided as a control unit for writing the additional data in the RFID transponder.
  • control unit can also be equipped with a sensor whose measured value can be written in the at least one transponder.
  • This sensor may be, for example, a fork-lift sensor, which indicates as the operating state of the truck, whether the fork of the truck is occupied.
  • Fig. 1 shows an inventive truck 10, which is equipped in the region of its mast with an RFID transponder 12.
  • the RFID transponder 12 on the mast can be provided for a variety of purposes, for example. Thus, it is basically conceivable to carry out a position determination of the industrial truck 10 by reading out the RFID transponder 12.
  • the RFID transponder 12 may also be provided to the truck, for example, at the entrance or Exit, identify. Regardless of its specific use, the RFID transponder 12 is provided with a fixed identification number, which is read from the RFID transponder. Depending on the configuration, this may be an active RFID transponder having its own power supply. Alternatively, it may also be a passive RFID transponder, which draws its energy from the received signals.
  • Fig. 1 shows an arranged on a fork load 14.
  • the load 14 is equipped with an RFID transponder 16, which in turn identifies the load via its unique identification number, so that a higher-level computer can evaluate this.
  • the RFID transponders 12, 16 are read via read / write devices 18, which are preferably arranged stationarily in the field of application of the industrial truck 10.
  • the data read out by the reading / writing devices 18 are forwarded to a central computer 20, where they are evaluated.
  • the evaluation can take place, for example, via a Warehouse Management System (WMS).
  • WMS Warehouse Management System
  • the determination of the position of the truck and / or its goods need not necessarily take place via a read / write device 18, but can also be done using multiple stationary in the work area read / write devices by, for example, transit time differences of the signals are detected to the individual devices.
  • additional data are stored in the RFID transponder.
  • the additional data describe a driving or operating state of the truck.
  • the additional information on the driving or operating state of the truck 10 are also read and forwarded to a higher-level computer 20 accordingly.
  • the additional information transmitted can be processed and evaluated separately in the computer 20.
  • the information on the driving and / or operating state of the truck can be forwarded to a fleet manager or other system for monitoring the trucks.
  • Fig. 2 shows the concrete structure for an RFID transponder, which transmits additional information of a sensor.
  • the RFID transponder 22 has a fixed identification number, which serves for example for identification of the truck.
  • the RFID transponder has a variable signal of 2 bits depth. This means that in addition to the fixed identification number 2 bits of additional information can be transmitted every time an RFID transponder is read out.
  • the RFID transponder 22 is supplied via a voltage source 24 with electrical voltage.
  • An unspecified fork occupancy sensor is integrated in the data writing unit 26.
  • the data writing unit 26 is also powered by the voltage source 24.
  • the data writing device is applied to the RFID transponder 22 via a control line 28.
  • 2 bits of additional data from the truck to the parent computer 20 are forwarded with each read. 2 bits of additional information make it possible to transmit four signals from the truck. If, for example, it is an RFID transponder which has, for example, 3-bit variable channel width, then eight different driving or operating states can already be transmitted. By repeating the read-out process, more information can be transmitted overall.
  • a possible approach for the evaluation of driving or operating states is that when read by the reader / writer 18, both the identification number of the RFID transponder 16 and the identification number of the transponder 12, is checked on the basis of additionally transmitted data whether the fork occupancy sensor indicates that a load 14 is on the forklift. As a result, it can be detected very early whether a fork occupancy sensor has failed on the truck.
  • additional data can be provided. It is thus possible, for example, to provide a delivery system in which driving and status information about the industrial truck is passed on to the computer 20 via the additional data, and this data is transmitted to the computer Forwards a fleet manager, where they are then evaluated in terms of utilization and utilization of the individual trucks.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)

Claims (8)

  1. Système qui présente un chariot de manutention et au moins un transpondeur RFID (12, 22) ainsi qu'un équipement de lecture/écriture (18) disposé de façon stationnaire dans un secteur d'utilisation du chariot de manutention, le transpondeur RFID (12, 22) au moins au nombre de un étant disposé sur le chariot de manutention, et les données du transpondeur RFID (12, 22) pouvant être lues par l'équipement de lecture/écriture (18), caractérisé en ce que le transpondeur RFID (12, 22) au moins au nombre de un est raccordé à une unité de commande par le biais d'une unité d'écriture de données (26) pour écrire des données supplémentaires concernant l'état de conduite ou de fonctionnement du chariot de manutention dans le transpondeur RFID (12, 22) au moins au nombre de un et pour les préparer pour la lecture par l'équipement de lecture/écriture (18).
  2. Système selon la revendication 1, caractérisé en ce que l'unité d'écriture de données (26) présente un processeur.
  3. Système selon la revendication 1 ou 2, caractérisé en ce que l'unité de commande est en liaison avec une commande centrale du chariot de manutention.
  4. Système selon une des revendications 1 ou 2, caractérisé en ce que l'unité de commande présente un capteur dont la valeur de mesure peut être écrite dans le transpondeur au moins au nombre de un.
  5. Système selon la revendication 4, caractérisé en ce que l'unité de commande présente un capteur d'occupation de fourche.
  6. Système selon une des revendications 1 à 5, caractérisé en ce qu'au moins un autre transpondeur RFID (16) est placé sur la charge et/ou sur un support de charge.
  7. Système selon une des revendications 1 à 6, caractérisé en ce que la liaison du transpondeur (12, 22) au moins au nombre de un sur le chariot de manutention avec l'unité de commande s'effectue par radio.
  8. Système selon une des revendications 1 à 6, caractérisé en ce que la liaison du transpondeur (12, 22) au moins au nombre de un sur le chariot de manutention avec l'unité de commande s'effectue par le biais d'au moins une ligne de commande.
EP20090000079 2008-01-10 2009-01-07 Chariot de manutention doté d'au moins un transpondeur RFID Not-in-force EP2080731B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810003806 DE102008003806A1 (de) 2008-01-10 2008-01-10 Flurförderzeug mit mindestens einem RFID-Transponder

Publications (2)

Publication Number Publication Date
EP2080731A1 EP2080731A1 (fr) 2009-07-22
EP2080731B1 true EP2080731B1 (fr) 2013-02-13

Family

ID=40521868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090000079 Not-in-force EP2080731B1 (fr) 2008-01-10 2009-01-07 Chariot de manutention doté d'au moins un transpondeur RFID

Country Status (2)

Country Link
EP (1) EP2080731B1 (fr)
DE (1) DE102008003806A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9658622B2 (en) 2015-05-06 2017-05-23 Crown Equipment Corporation Industrial vehicle for identifying malfunctioning sequenced tag and tag layout for use therewith
US9818003B2 (en) 2015-05-06 2017-11-14 Crown Equipment Corporation Diagnostic tag for an industrial vehicle tag reader

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009038926A1 (de) * 2009-08-26 2011-03-03 Jungheinrich Aktiengesellschaft Flurförderzeug mit Fahrzeugsteuerung
DE102011016019A1 (de) * 2011-04-04 2012-10-04 Still Gmbh Flurförderzeug mit Datenerfassungsvorrichtung
DE102014104684A1 (de) * 2014-04-02 2015-10-08 Linde Material Handling Gmbh Verfahren und System zum Betrieb eines Flurförderzeugs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005024883A1 (de) 2005-05-31 2006-12-07 Still Gmbh Flurförderzeug
DE102006014447A1 (de) 2006-03-29 2007-10-04 Jungheinrich Aktiengesellschaft Flurförderzeug mit einem Lasttragmittel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9658622B2 (en) 2015-05-06 2017-05-23 Crown Equipment Corporation Industrial vehicle for identifying malfunctioning sequenced tag and tag layout for use therewith
US9811088B2 (en) 2015-05-06 2017-11-07 Crown Equipment Corporation Industrial vehicle comprising tag reader and reader module
US9818003B2 (en) 2015-05-06 2017-11-14 Crown Equipment Corporation Diagnostic tag for an industrial vehicle tag reader
US10515237B2 (en) 2015-05-06 2019-12-24 Crown Equipment Corporation Tag reader with diagnostic tag and an industrial vehicle incorporating the same
US11288463B2 (en) 2015-05-06 2022-03-29 Crown Equipment Corporation Tag reader with diagnostic tag
US11726496B2 (en) 2015-05-06 2023-08-15 Crown Equipment Corporation Tag layout for industrial vehicle operation
US11797785B2 (en) 2015-05-06 2023-10-24 Crown Equipment Corporation Tag reader with diagnostic tag
US12093056B2 (en) 2015-05-06 2024-09-17 Crown Equipment Corporation Tag layout for industrial vehicle operation

Also Published As

Publication number Publication date
DE102008003806A1 (de) 2009-07-16
EP2080731A1 (fr) 2009-07-22

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