WO2019206504A1 - Transpondeur pour une bande de transport d'un transporteur à bande - Google Patents

Transpondeur pour une bande de transport d'un transporteur à bande Download PDF

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Publication number
WO2019206504A1
WO2019206504A1 PCT/EP2019/055632 EP2019055632W WO2019206504A1 WO 2019206504 A1 WO2019206504 A1 WO 2019206504A1 EP 2019055632 W EP2019055632 W EP 2019055632W WO 2019206504 A1 WO2019206504 A1 WO 2019206504A1
Authority
WO
WIPO (PCT)
Prior art keywords
transponder
belt
jacket
transponder according
conveyor belt
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/EP2019/055632
Other languages
German (de)
English (en)
Inventor
Manfred BÄUMLER
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to DE112019002174.5T priority Critical patent/DE112019002174A5/de
Publication of WO2019206504A1 publication Critical patent/WO2019206504A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card

Definitions

  • Transponder for a conveyor belt of a belt conveyor
  • the invention relates to a transponder for use in a conveyor belt of a belt conveyor, in particular for mining.
  • Other systems use transponders at different distances from the belt edge to monitor the transverse position of the belt during the run.
  • Belt conveyor known, which is provided with acceleration sensors. As a result, the acceleration of the belt can be detected.
  • the sensors are equipped with a micro-controller and a memory and can be equipped with a rechargeable power source.
  • the sensors are arranged at regular intervals to each other and distributed over the width.
  • the captured data is transmitted over a wireless link to a fixedly located controller.
  • the figure shows the sensors in the edge area of the belt.
  • US Pat. No. 7,928,922 discloses RFID sensors which have a dipole antenna. To protect against contamination, the RFID tag is replaced by a Shrink tubing encapsulated. Such an RFID encapsulated by a shrink tube can be additionally arranged in a preformed housing to increase the resistance.
  • EP 1 660 393 B1 it is known to provide sections of a conveyor belt of a belt conveyor with a unique address to the section mark. The marking is located in the edge area of the belt surface. The sections are from 10 m up to 500 m long. It is known from EP 0 776 839 B1 to insert transponders into the conveyor belt at intervals from one another. Through these transponders, the
  • the transponder is placed in a flat body, which consists of a layer structure.
  • the layer structure comprises two carrier layers, between which the transponder is arranged. This increases the bending ability.
  • the transponder is of a thin plastic wrap, e.g. from a plastic polymer, surrounded. The plastic cover does not stick to the body, so that when bending stress no forces are transmitted from the body to the transponder.
  • the body is placed in the conveyor belt cover plate and glued to it.
  • the invention is therefore based on the object to provide a transponder having an increased robustness.
  • the transponder according to the invention has at least one antenna.
  • the antenna is connected to an RFID chip.
  • the antenna is surrounded by a shell coaxial.
  • a jacket for a coaxial enclosure of RFID chip and antenna is provided.
  • a protective sleeve wherein the protective cover is arranged coaxially to the jacket and wherein the protective sleeve is also arranged coaxially with the RFID chip.
  • the protective sleeve is intended to further protect the RFID from stresses. In particular, bending stresses in the area of the RFID and also the connection points to the antennas can lead to premature failure of the transponder.
  • a protective sleeve of a metallic material It has been found in particular stainless steel as suitable.
  • a jacket (49) made of Teflon This Teflon sheath offers good sliding properties in the belt, so that only a fraction of the force due to compression or expansion is transferred to the sheath during compression and expansion of the belt.
  • an envelope of silicone surrounding the antenna Silicone has good sliding properties. In a compression or expansion acting on the shell, the force transmitted to the antenna can be at least reduced by a sliding movement of the shell. As a result, in particular the stress on the connection points of RFID chip and antenna is reduced.
  • Particularly advantageous has been found to be a combination with a silicone shell, so that even less force effects are transmitted to the RFID chip and the antenna / antennae by this combination.
  • a maximum gap of 0.2 mm is provided between the outer diameter of the casing and the inner diameter of the casing. This has an advantageous effect on the required installation space.
  • the transponder has a maximum outside diameter of 5 mm, preferably 4 mm. If the transponder is to be introduced in a conveyor belt, then it is advantageous if the transponder is coaxially also surrounded by a cover layer of a conveyor belt, thereby protecting the transponder from external forces. In particular, shocks from falling conveyed are damped.
  • the jacket is provided at the end with seals for a liquid-tight closure of the interior is.
  • the transponder in a recess which is open to the outside, so that moisture can penetrate from the outside. By closing the end of the interior of the jacket is protected from environmental influences such as moisture and dust in the jacket.
  • the jacket is provided with a gradation at least at one end of its longitudinal extension. This grading facilitates disassembly. This facilitates an exchange.
  • the gradation is formed with areal areas. This facilitates gripping.
  • the protective sleeve is pressed onto the jacket.
  • an axial fixation is achieved in a simple manner, so that it can be ensured that the RFID chip is arranged with the connection point (s) to the antenna (s) within the protective sleeve.
  • the RFID chip is provided on both sides with an antenna.
  • the protective sleeve is formed with a contour for increasing the flexural rigidity. It can be provided as contour ribs or angled surfaces arranged to each other.
  • the protective sleeve has a maximum wall thickness of 0.5 mm, preferably 0.3 mm. This supports a compact design.
  • the jacket is integrally formed. As a result, the jacket has no connection points. As a result, the assembly is facilitated and also facilitates a liquid-tight design and is particularly cost.
  • transponder in a conveyor belt of a belt conveyor in mining.
  • the belt conveyors are exposed to adverse environmental conditions, such as high temperature fluctuations, moisture and dust.
  • the conveyor belt is subjected to bending loads.
  • the transponder according to the invention has proven to be particularly suitable for embedding in the conveyor belt. Embedding is understood to mean an arrangement in a recess formed in the conveyor belt.
  • the recess extends to the edge region, preferably at most 30 cm, particularly preferably 20 cm from the lateral edge of the conveyor belt. It can thereby be achieved that the recess is arranged outside the region of the conveyor belt, which is subject to considerable wear by the conveyed material.
  • Fig. 3 hollow drill
  • Fig. 6 RFID sensor for use in the conveyor belt
  • FIG. 7 shows a belt conveyor 1 with an endless conveyor belt 11.
  • the conveyor belt consists of several belt sections 10, which may have different properties.
  • the conveyor belt is deflected by deflection rollers 7 and stored by means of rollers 9.
  • a plurality of rollers 9 may be supported by a framework, also referred to as a garland.
  • Individual belt sections are provided with an identification, here in the form of an RFID chip 43.
  • the units comprising the RFID chip are referred to as transponders or RFID.
  • sensors may be provided in the belt for taking measurements. The measured values are provided with a unique identification, so that it is comprehensible to which belt section these measured values are to be assigned.
  • the exact position of the individual belt sections within the conveying path becomes each Time needed.
  • Such an identification 43 is preferably provided at intervals in the range from 2 m to 300 m within a belt section 10.
  • a major stress of the RFID 42 or the transponder is the recurring bending in the transverse axis by the drive and Deflection drums 3, as well as the strong bending of the belt edge in the longitudinal axis when passing through the roof roller chair with the there arranged ironing rollers, not shown. The slight bending when overflowing the rollers 9 of the garlands is of minor importance.
  • the installation direction thus has an influence on the expected service life of the RFID 42.
  • sensors 42 arranged in the belt are also applies.
  • the other boundary condition is the impermeability to moisture and other environmental influences, which is only of importance if the space of the transponder is open to the outside.
  • the read rate must be high enough in accordance with the belt speed that the RFID 43 can supply the RFID 42 with energy when passing through a reader antenna 5 and then read out the ID of the RFID chip 43.
  • the read out data / information is supplied to a controller 7.
  • the mounting distance to the belt surface 10 therefore influences the reading distance and must be very close to the surface.
  • An arrangement of the RFID in a mounting position in the cover layer 23 with a maximum distance of 5 mm to the belt surface 10 has been found to be particularly suitable for this reason. This distance is suitable for all common belt speeds in the range of 3 m / s to 7.5 m / s.
  • this layer provides protection. Especially with the loading of the conveyor belt 11 with bulk material can shock loads through the bulk material damage the RFID 42.
  • the layer of the cover layer 23 protects the RFID 42 from hard impacts. Thus, a layer of at least 5 mm has been found to be particularly advantageous.
  • an arrangement of the RFID 42 in the belt edge region 14 contributes to a lower burden of bulk material 2, since the edge region 14 is significantly less loaded by bulk material 2.
  • the belt 11 must not lose any of its tensile strength, i.
  • the tension member (steel ropes / textile ropes) must not be damaged. It is therefore necessary to use a fastening method that allows rapid installation / removal of the transponder even with already installed belt conveyors.
  • FIG. 2 schematically shows a section through an upper part of a belt conveyor 1.
  • the conveyor belt 11 rests on rollers 9.
  • the lateral rollers are arranged inclined to the middle roller 9.
  • the conveyor belt runs hollow.
  • Bulk 2 may be included in the trough.
  • the bulk material carrying top layer 23 is stressed by friction. Since the bulk material is conveyed within the trough formed by the conveyor belt, a wear portion 24 of the conveyor belt 11 is formed.
  • An edge region 14 is identified by 14.
  • the hollow drill shown in Figure 3 a recess of the Gurtrichkante 12 is introduced.
  • the hollow drill has a drill bit 27.
  • the Drill bit includes a plurality of cutting teeth 29.
  • the cutting teeth 29 may be configured differently. Thus, the cutting teeth 29 may be arranged in cutting teeth groups, wherein a few cutting teeth groups are defined by axial recesses from each other, not shown.
  • the hollow drill 25 has a wall opening 31.
  • the wall opening 31 is arranged in a front region.
  • the hollow drill 25 comprises a closure sleeve 33. Through the closure sleeve (33), the wall opening (31) can be closed, in particular sealed liquid-tight
  • FIG. 4 shows an edge cutout of a conveyor belt.
  • This conveyor belt cutout is provided with a recess 13 arranged transversely to the conveying direction.
  • This recess 13 has a predetermined end predetermined breaking point 17 on which the drill core has been separated.
  • This predetermined breaking point is formed by a taper 19.
  • the outer diameter of the recess 13 has a first outer diameter 75 in a first portion 65 and a second outer diameter 77 in a second portion 67 which is smaller than the first outer diameter.
  • the opening 16 of the recess 13 on the Gurtrichkante 12 is closed by a closure 15, so that in the cavity of the recess 13 eingacht elements, such as RFID 42, or sensor 42, can not fall out.
  • FIG. 1 An angled recess 21 is shown in FIG.
  • This angled recess 21 comprises a first leg 69 and a second leg 71, the first leg has an opening to the belt side edge 12.
  • the second leg joins the first leg 69 within the belt 11.
  • the opening of the second leg is concealed by the first leg 69 when viewed from the belt side edge.
  • the angled formed recess 21 has a predetermined breaking point 17 in the form of an end formed on the second leg 71 taper 19.
  • the recesses are introduced by means of a hollow drill 25 in the bulk material facing side of the cover layer.
  • the hollow drill 25 is aligned parallel to the belt surface 10 at the Gurtkantenseite 12 attached.
  • the wall opening 31 is covered by the closure sleeve 33.
  • the hollow drill 25 enters the cover layer 23 at a first advancing speed and rotational speed. Due to the Gurtrich gratis the closure sleeve 33 is moved coaxially to release the Wandungs tellbruches.
  • the wall breakthrough is located within the cover layer 23.
  • the hollow drill 25 can be acted upon with a lubricating fluid, for example water, in the interior of the hollow drill 25.
  • the lubricant can also be provided before entering the cover layer, which then mainly takes place lubrication on the inside.
  • the predetermined breaking point 17 of the hollow drill 25 is acted upon by a second driving force which is greater than the force acting only in the advancing direction.
  • the elastic cover layer 23 is thereby tensioned.
  • the core may be removed after removal of the core drill bit 25 by applying force to the core away from the belt side edge 12. In this case, a separation takes place at the predetermined breaking point 17.
  • the rotational speed during the drilling process for producing the taper is reduced by at least 80%.
  • FIG. 5 schematically shows the conveying direction 61 and the position of the opening 16 on the belt side edge 12.
  • the RFID 41 comprises an RFID chip 43.
  • the RFID chip 43 is mounted on a carrier board. The board facilitates assembly.
  • the RFID chip 43 is conductively connected to the antennas 45 on both sides.
  • the antennas 45 are made of a conductive wire. This unit is already fully functional
  • the antennas 45 are encased in a silicone sheath. Silicones (also called silicones, singular: the silicone or silicone), chemically accurate poly (organo) siloxanes, is a term for a group of synthetic polymers in which silicon atoms are linked by oxygen atoms. It is used a fine-stranded with silicone insulated copper strand.
  • Teflon is a trade name of the company DuPont and refers to a polytetrafluoroethylene (abbreviation PTFE, sometimes polytetrafluoroethene).
  • PTFE is a linear, linear, partially crystalline polymer of fluorine and carbon. Colloquially, this plastic is often referred to by the flea name Teflon DuPont.
  • PTFE belongs to the class of polyhalogenolefins, which also includes PCTFE (polychlorotrifluoroethylene). It belongs to the thermoplastics, although it also has properties that require a more typical for thermosetting plastics processing.
  • the Teflon jacket 49 is centrally surrounded by a protective sleeve 51 coaxially.
  • the protective sleeve 51 is coaxial with the RFID chip 43 and the connection points to the antennas 45.
  • the Teflon sheath 49 is closed at the end by seals 53.
  • a graduation 59 is formed in the end region of the Teflon sheath. This grading facilitates removal of the RFID 41 introduced in a conveyor belt.
  • the silicone sheath of the antennas supports a relative movement of the silicone sheath 47 and the Teflon sheath 49.
  • the Teflon sheath 49 also transmits power reduced from the cover layer 23 on the Teflon jacket 49.
  • This RFID 41 is particularly suitable for use in a conveyor belt 11 and can be introduced into the previously the recesses 13, 21 through the opening 16 in the Gurtrichkante. This opening 16 can then be closed by a closure. In the event of a defect, the closure can then be removed at this point or the RFID can be removed directly by gripping in the end region or by flare drilling. Subsequently, then a new RFID 41 can be introduced again.
  • This simple structure contributes to the fact that a conveyor belt 11 can be provided quickly with recesses and RFIDs or sensors. Preferably, such equipment may be performed during a regular maintenance break. During a regular maintenance break also defective units can be exchanged. LIST OF REFERENCE NUMBERS

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Conveyors (AREA)

Abstract

L'invention concerne un transpondeur (41), de préférence un transpondeur passif. Le transpondeur comprend au moins une antenne (45). L'antenne (45) est connectée à une puce RFID (43). L'antenne (45) est entourée coaxialement d'une enveloppe. Une gaine (49) pour un enveloppement coaxial de la puce RFID (43) et de l'antenne (45) est prévue. Une douille protectrice (51) qui est agencée coaxialement par rapport à la gaine (49) et qui est agencée coaxialement par rapport à la puce RFID (43) est prévue.
PCT/EP2019/055632 2018-04-27 2019-03-07 Transpondeur pour une bande de transport d'un transporteur à bande Ceased WO2019206504A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112019002174.5T DE112019002174A5 (de) 2018-04-27 2019-03-07 Transponder für einen Fördergurt eines Gurtförderers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018110170.8A DE102018110170A1 (de) 2018-04-27 2018-04-27 Transponder für einen Fördergurt eines Gurtförderers
DE102018110170.8 2018-04-27

Publications (1)

Publication Number Publication Date
WO2019206504A1 true WO2019206504A1 (fr) 2019-10-31

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ID=65763431

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/055632 Ceased WO2019206504A1 (fr) 2018-04-27 2019-03-07 Transpondeur pour une bande de transport d'un transporteur à bande

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DE (2) DE102018110170A1 (fr)
WO (1) WO2019206504A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1940945A1 (de) 1969-08-12 1971-03-25 Stahlgruber Gruber & Co Otto UEberwachungseinrichtung fuer Foerderbaender
US4193405A (en) * 1976-08-09 1980-03-18 Micro Tec Instrumentation Inc. Detectable medical and surgical implements
EP0753472A1 (fr) 1995-07-12 1997-01-15 ContiTech Transportbandsysteme GmbH Procédé et dispositif pour surveiller une bande transporteuse
EP0776839A2 (fr) 1995-12-01 1997-06-04 ContiTech Transportbandsysteme GmbH Bande du convoyeur comportant des transpondeurs incorporés
EP1660393A1 (fr) 2003-09-03 2006-05-31 Phoenix AG Dispositif de controle d'une installation de convoyage
US20080122704A1 (en) * 2006-07-05 2008-05-29 King Patrick F System and method for providing a low and narrow-profile radio frequency identification (rfid) tag
US9227791B2 (en) 2010-11-02 2016-01-05 Laitram, L.L.C. Conveyor system, belt, and method using accelerometers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010011285U1 (de) * 2010-08-11 2011-02-10 Wendisch, Karl-Heinz Transponder
DE202011104822U1 (de) * 2011-08-25 2011-12-05 Kawe Engineering Gmbh Transponder-Baueinheit
DE102011120859A1 (de) * 2011-12-13 2013-06-13 Felix Schoeller Supply Chain Technologies Gmbh & Co. Kg Transponderanordnung für die Integration in einem Objekt

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1940945A1 (de) 1969-08-12 1971-03-25 Stahlgruber Gruber & Co Otto UEberwachungseinrichtung fuer Foerderbaender
DE1956768A1 (de) 1969-08-12 1971-05-13 Stahlgruber Gruber & Co Otto UEberwachungseinrichtung fuer Foerderbaender
US4193405A (en) * 1976-08-09 1980-03-18 Micro Tec Instrumentation Inc. Detectable medical and surgical implements
EP0753472A1 (fr) 1995-07-12 1997-01-15 ContiTech Transportbandsysteme GmbH Procédé et dispositif pour surveiller une bande transporteuse
EP0776839A2 (fr) 1995-12-01 1997-06-04 ContiTech Transportbandsysteme GmbH Bande du convoyeur comportant des transpondeurs incorporés
EP1660393A1 (fr) 2003-09-03 2006-05-31 Phoenix AG Dispositif de controle d'une installation de convoyage
US20080122704A1 (en) * 2006-07-05 2008-05-29 King Patrick F System and method for providing a low and narrow-profile radio frequency identification (rfid) tag
US7928922B2 (en) 2006-07-05 2011-04-19 King Patrick F System and method for providing a low and narrow-profile radio frequency identification (RFID) tag
US9227791B2 (en) 2010-11-02 2016-01-05 Laitram, L.L.C. Conveyor system, belt, and method using accelerometers

Also Published As

Publication number Publication date
DE102018110170A1 (de) 2019-10-31
DE112019002174A5 (de) 2021-04-08

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