EP3811464A1 - Procédé pour produire une antenne d'émission et/ou de réception sur un matériau support textile - Google Patents

Procédé pour produire une antenne d'émission et/ou de réception sur un matériau support textile

Info

Publication number
EP3811464A1
EP3811464A1 EP18762467.1A EP18762467A EP3811464A1 EP 3811464 A1 EP3811464 A1 EP 3811464A1 EP 18762467 A EP18762467 A EP 18762467A EP 3811464 A1 EP3811464 A1 EP 3811464A1
Authority
EP
European Patent Office
Prior art keywords
transmitting
receiving antenna
carrier material
electrically conductive
machine
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.)
Pending
Application number
EP18762467.1A
Other languages
German (de)
English (en)
Inventor
Rolf Schumacher
Harald Katschke
Robert KATSCHKE
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.)
Relytex & Co KG GmbH
Original Assignee
Relytex & Co KG 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 Relytex & Co KG GmbH filed Critical Relytex & Co KG GmbH
Publication of EP3811464A1 publication Critical patent/EP3811464A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D04B21/165—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads with yarns stitched through one or more layers or tows, e.g. stitch-bonded fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive

Definitions

  • the invention relates to a method for producing a transmitting and / or receiving antenna on a textile carrier material and a carrier material with a transmitting and / or receiving antenna.
  • Textiles are increasingly used for all kinds of technical applications.
  • such transmitting and / or receiving antennas can be designed as RFID antennas.
  • RFID antennas are generally assigned to RFID chips.
  • a read / write device can be used to read information from the RFID chip, with data stored in the RFID chip being transmitted to the read / write device by means of the RFID antenna.
  • RFID systems can be used in particular for training identification systems but also for training surveillance systems.
  • the transmitting and / or receiving antennas must have certain geometric structures and certain lengths.
  • the invention has for its object to provide a method by means of which rationally any forms of transmitting and / or receiving antennas can be incorporated into a textile carrier material.
  • the invention relates to a method for producing at least one transmitting and / or receiving antenna for transmitting and / or receiving electromagnetic waves.
  • a warp knitting machine or Raschel machine who incorporated the electrically conductive threads as a transmitting and / or receiving antenna in a tex tiles carrier material.
  • the invention further relates to a textile carrier material with a transmitting and / or receiving antenna.
  • the transmitting and / or receiving antenna is formed by electrically conductive threads which are incorporated into the carrier material by means of a warp knitting machine or Raschel machine.
  • a major advantage of the invention is that with a warp knitting machine or Raschel machine, particularly advantageously by means of a Vliesra tufting machine, transmitting and / or receiving antennas are incorporated into a textile carrier material.
  • the transmitters formed from electrically conductive threads and / or receiving antennas can thus be quickly and efficiently incorporated into the carrier material, so that an economical manufacturing process of the transmitting and / or receiving antennas is guaranteed.
  • the warp knitting machine or Raschel machine can be used to produce transmitting and / or receiving antennas in almost any shapes and geometries, in particular the length of the transmitting and / or receiving antenna, which corresponds to the Frequency range of electromagnetic waves to be transmitted or received, can be specified flexibly.
  • the warp knitting machine or Raschel machine particularly advantageously has a variable weft insertion, by means of which the length of a transmitting and / or receiving antenna is predetermined.
  • the length of the transmitting and / or receiving antenna can thus be specified in a particularly simple, rational and precise manner.
  • the warp knitting machine or Raschel machine has electronic laying bars, by means of which the position of a transmitting and / or receiving antenna on the textile carrier material can be freely specified.
  • the electronic laying bars of the warp knitting machine or Raschel machine are not tied to a repeat pattern, so that the positions of the transmitting and / or receiving antenna on the carrier material can be freely specified with these electronic laying bars without any design restrictions.
  • a single bar of the warp knitting machine or Raschel machine can be used to produce a transmitting and / or receiving antenna.
  • the or the electrically conductive threads form the Transmitting and / or receiving antenna has an open structure, that is to say the electrically conductive threads run between a start and end point along a freely selectable path curve.
  • the warp knitting machine or Raschel machine has at least two counter bars running in opposite directions, by means of which transmitting and / or receiving antenna with closed structures of electrically conductive threads is produced.
  • open and closed structures can also be combined with one another in transmitting and / or receiving antennas.
  • the method according to the invention can thus be used to vary the geometries of transmit and / or receive antennas to be manufactured over a wide range, so that a large number of different applications can be implemented.
  • the electrically conductive threads used to manufacture the transmitting and / or receiving antenna consist entirely or partially of an electrically conductive material.
  • metallic and non-metallic materials can be used.
  • the electrically conductive threads have an electrically conductive core and an electrically insulating sheath.
  • the textile carrier material generally forms an electrically insulating structure on which the transmitting and / or receiving antennas are applied, that is to say the textile carrier material consists entirely of electrically non-conductive materials.
  • the textile backing material can be a woven fabric, knitted fabric, fleece, scrim or braid.
  • the electrically conductive threads forming the transmitting and / or receiving antenna are expediently fixed to the textile carrier material by means of electrically insulating binding threads.
  • the binding threads are particularly advantageously applied to the textile base material by means of at least one laying bar of the warp knitting machine or Raschel machine.
  • the bin threads for fixing the transmitting and / or receiving antenna can also be incorporated, the Introducing the electrically conductive threads into the carrier material and fixing them with the binding threads in one work process, whereby a high rationalization effect is achieved.
  • the density of the binding threads is advantageously varied depending on the geometrical structure of the transmitting and / or receiving antenna.
  • the density of binding threads is greater than in areas of lower curvature, since in the areas of great curvature of the transmitting and / or receiving antenna, more binding threads per unit length are required to ensure this strongly curved structure to fix.
  • the textile carrier materials according to the invention with the transmitting and / or receiving antennas applied there can be used for a large number of different applications depending on the design of the transmitting and / or receiving antennas.
  • the transmitting and / or receiving antenna is an RFID antenna.
  • an RFID chip is assigned to the transmitting and / or receiving antenna on the textile carrier material.
  • the RFID chip can be glued to the carrier material and capacitively coupled to the RFID antenna.
  • This unit interacts with a read / write device in such a way that data can be read from the RFID chip and transferred to the read / write device by means of the RFID antenna.
  • Such a system can be designed, for example, as an identification system.
  • identification data is stored in the RFID chip, on the basis of which an object identified with the RFID chip can be identified.
  • Such an RFID system can also be part of a monitoring system.
  • sensor signals from sensors used for monitoring purposes can be stored in the RFID chip and read out by the read / write device for control purposes.
  • a monitoring system is a tarpaulin in which conductive sensor structures are incorporated over its entire surface. If the conductive structures are tampered with, in particular, they generate sensor signals which can be transmitted to the read / write device using the RFID chip. With such tarpaulins, objects to be protected can be safely packed.
  • the transmitting and / or receiving antenna is designed for NFC or radio transmission.
  • the transmitting and / or receiving antennas attached to the carrier material are components of communication systems for contactless data transmission.
  • Figure 1 First embodiment of the carrier material according to the invention with a transmitting and / or receiving antenna mounted thereon.
  • Figure la Enlarged detail of the arrangement according to Figure 1.
  • Figure 2 Second embodiment of the carrier material according to the invention as with a transmitting and / or receiving antenna attached to it.
  • FIG. 1 shows a first exemplary embodiment of the textile backing material 1 according to the invention with a transmitting and / or receiving antenna 2 applied thereon.
  • the textile carrier material 1 consists of electrically non-conductive materials, that is, of electrically insulating yarns or threads.
  • the textile backing material 1 can be a woven, knitted, non-woven, laid or braided fabric.
  • the transmitting and / or receiving antenna 2 which is applied to the textile carrier material 1, is generally used to transmit and / or receive electromagnetic waves.
  • the transmitting and / or receiving antenna 2 is designed as an RFID antenna and is part of an RFID system.
  • the transmitting and / or receiving antenna 2 consists of one or more electrically conductive threads.
  • the electrically conductive threads can consist entirely of electrically conductive materials, which can generally consist of metallic or non-metallic materials.
  • the term electrically conductive thread generally also includes thin wires.
  • the electrically conductive threads can also consist only partially of electrically conductive materials.
  • the electrically conductive threads can have an electrically conductive core and an electrically insulating sheath.
  • the insulating sheath can consist of non-conductive threads that wind around the electrically conductive core.
  • the electrically conductive core can also be coated with an electrically insulating coating.
  • the electrically conductive threads forming the transmitting and / or receiving antenna 2 are incorporated into the textile carrier material 1 with a warp knitting machine or Raschel machine.
  • a nonwoven machine is used to manufacture the transmitting and / or receiving antenna 2.
  • This fleece rustling machine has a variable weft insertion, with which the catches of the transmitting and / or receiving antenna 2 can be specifically and precisely predetermined. With the catch of the transmitting and / or receiving antenna 2 Frequency range specified within which the transmitting and / or receiving antenna 2 can transmit and / or receive electromagnetic waves.
  • the fleece rustling machine has electrical laying bars that are not tied to a repeat.
  • the position of the transmitting and / or receiving antenna 2 on the textile carrier material 1 can thus be freely specified.
  • the transmitting and / or receiving antenna 2 forms an open structure that runs from a starting point to an end point.
  • the transmitting and / or receiving antenna 2 runs along a wavy path.
  • the electrically conductive threads forming the transmitting and / or receiving antenna 2 are fixed in the textile carrier material 1 by means of binding threads 3 (FIG. 1 a).
  • the binding threads 3 which consist of electrically non-conductive materials, are incorporated with at least one further laying bar of the fleece-fastener machine, so that the application of the electrically conductive threads forming the transmitting and / or receiving antenna 2 and their fixing with the binding threads 3 can be manufactured in one work process with the fleece rustling machine.
  • the density of the binding threads 3 varies depending on the geometric structure of the transmitting and / or receiving antenna 2.
  • a large number of binding threads 3 are provided per unit length in order to fix the strongly curved sections of the transmitting and / or receiving antenna 2 securely and dimensionally stable on the carrier material 1.
  • a smaller number of binding threads 3 per unit length is provided.
  • an RFID chip 4 is provided, which is glued onto the textile carrier material 1.
  • the RFID chip 4 is capacitively coupled to the RFID antenna, which means that there is no direct conductive connection between the RFID chip 4 and the RFID antenna.
  • the RFID system further comprises a read / write device, not shown.
  • FIG. 2 shows a further exemplary embodiment of the carrier material 1 according to the invention with a transmitting and / or receiving antenna 2 applied thereon.
  • the embodiment according to FIG. 2 differs for example according to FIG. 1 only in that the transmitting and / or receiving antenna 2 now forms a closed structure.
  • the closed structure of the transmitting and / or receiving antenna 2 is formed by two antiphase antenna structures 2a, 2b, which are each formed by electrically conductive threads.
  • the two antenna structures 2a, 2b are produced with two opposing laying bars of the fleece rustling machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Knitting Of Fabric (AREA)

Abstract

Cette invention concerne un procédé pour produire au moins une antenne d'émission et/ou de réception (2) pour envoyer et/ou recevoir des ondes électromagnétiques. Un métier à tricoter chaîne ou un métier à tricoter Rachel est utilisé pour intégrer des fils électroconducteurs en tant qu'antenne d'émission et/ou de réception (2) dans un matériau support textile (1). Cette invention concerne en outre une antenne d'émission et/ou de réception (2) correspondante.
EP18762467.1A 2018-08-20 2018-08-20 Procédé pour produire une antenne d'émission et/ou de réception sur un matériau support textile Pending EP3811464A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/072456 WO2020038552A1 (fr) 2018-08-20 2018-08-20 Procédé pour produire une antenne d'émission et/ou de réception sur un matériau support textile

Publications (1)

Publication Number Publication Date
EP3811464A1 true EP3811464A1 (fr) 2021-04-28

Family

ID=63449437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18762467.1A Pending EP3811464A1 (fr) 2018-08-20 2018-08-20 Procédé pour produire une antenne d'émission et/ou de réception sur un matériau support textile

Country Status (3)

Country Link
US (1) US20210184338A1 (fr)
EP (1) EP3811464A1 (fr)
WO (1) WO2020038552A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054559A (fr) * 1963-10-10 1967-01-11
RU2198453C1 (ru) * 2002-01-17 2003-02-10 Кудрявин Лев Александрович Отражательная вязаная сетчатая поверхность антенны и способ ее выработки
EP2118349B1 (fr) * 2007-02-12 2010-11-24 Textilma AG Fil composite élastique, électriquement conducteur, notamment pour des étiquettes textiles rfid, son utilisation, et fabrication d'un tissu, d'un tricot ou d'une tresse avec ce fil
US9972894B2 (en) * 2014-03-10 2018-05-15 Drexel University Wearable power harvesting system
DE102014115437B4 (de) * 2014-10-23 2016-06-02 Go11Save Ag Verfahren zur Herstellung von Sicherheitsstrukturen bei einem Flächenelement und Flächenelement
WO2017003783A1 (fr) * 2015-06-29 2017-01-05 Oletquin Management Llc Tricot à mailles jetées comprenant des fils de trame à trajet variable
US10263320B2 (en) * 2015-07-17 2019-04-16 Ohio State Innovation Foundation Methods of making stretchable and flexible electronics
WO2017060222A1 (fr) * 2015-10-09 2017-04-13 Nv Bekaert Sa Antenne destinée à être utilisée dans une étiquette rfid

Also Published As

Publication number Publication date
WO2020038552A1 (fr) 2020-02-27
US20210184338A1 (en) 2021-06-17

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