EP0854536B1 - Pièce moulée plastique renforcée par des fibres avec antenne integrée - Google Patents

Pièce moulée plastique renforcée par des fibres avec antenne integrée Download PDF

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Publication number
EP0854536B1
EP0854536B1 EP98100191A EP98100191A EP0854536B1 EP 0854536 B1 EP0854536 B1 EP 0854536B1 EP 98100191 A EP98100191 A EP 98100191A EP 98100191 A EP98100191 A EP 98100191A EP 0854536 B1 EP0854536 B1 EP 0854536B1
Authority
EP
European Patent Office
Prior art keywords
fibres
moulded part
fabric
antenna
woven fabric
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.)
Expired - Lifetime
Application number
EP98100191A
Other languages
German (de)
English (en)
Other versions
EP0854536A3 (fr
EP0854536A2 (fr
Inventor
Gerd Ehnert
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.)
Menzolit Fibron GmbH
Original Assignee
Menzolit Fibron 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
Priority claimed from DE1997129972 external-priority patent/DE19729972A1/de
Application filed by Menzolit Fibron GmbH filed Critical Menzolit Fibron GmbH
Publication of EP0854536A2 publication Critical patent/EP0854536A2/fr
Publication of EP0854536A3 publication Critical patent/EP0854536A3/fr
Application granted granted Critical
Publication of EP0854536B1 publication Critical patent/EP0854536B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01Q1/2241—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 used in or for vehicle tyres
    • 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
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • 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
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3266—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle using the mirror of the vehicle
    • 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
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/40—Radiating elements coated with or embedded in protective material

Definitions

  • a fiber-reinforced plastic molding shows z. EP 0 531 840 B1.
  • a fiber mat provided with a binder of a resin-hardener system is preformed at a temperature at which the resin-hardener system behaves thermoplastic, and then cured thermoset to the preform.
  • SMC molding compound UP resin, glass fiber reinforced
  • antennas are generally transmitting and / or receiving antennas, z. B. for radios, radios, cellular telephones, etc. meant.
  • No. 4,647,495 discloses a fiber-reinforced plastic molded part with a fabric which has fibers in the warp and weft directions and fibers of the fabric have an electrical conductivity and these fibers form an antenna, wherein the fabric has carbon fibers in warp or weft direction.
  • At least one antenna is integrated in the fiber-reinforced plastic molded part.
  • the fibers used to reinforce the molded part have electrical conductivity. From these fibers, the antenna or the antennas are formed.
  • a fabric is pressed into the molded part, which has carbon fibers in warp or weft direction.
  • the pressing of the tissue is z. B. according to the method specified in EP 0 531 840 B1.
  • the thickness and / or length of the fibers is selected depending on the required antenna tuning.
  • the carbon fibers are arranged in the fabric at a distance from each other. A distance of 5 mm has proven to be advantageous in experiments. After contacting, there were good reception qualities in the radio.
  • the fibers or the fabric are coated with cured UP or vinyl ester resin.
  • the moldings described can be arranged with the integrated antenna or antennas on a vehicle, for. B. in the boot lid or in or on the bumper.
  • This metal shield is advantageously an aluminum-coated synthetic fiber fabric or non-woven fabric.
  • the introduction of the antenna into the molded part can, as described, be carried out by weaving the electrically conductive fibers in warp or weft direction into the fabric. But it can also be done by sewing (eg zig-zag stitch) or sticking to the tissue.
  • Fig. 1 shows a plan view of a carbon fiber laminate, which forms a molding 4.
  • the individual carbon fibers 1 are arranged in parallel at a distance of about 5 mm. If these carbon fibers 1 contacted, an antenna can be formed from them.
  • Fig. 2a shows a fabric of carbon fibers 1 with glass fibers 2.
  • the carbon fibers 1 are each adjacent to a glass fiber 2 and vice versa, wherein the fibers are arranged parallel and spaced from each other.
  • Fig. 2b shows a tissue as Fig. 2a only the tissue is additionally pretreated here, so that the intersection points 5 are fixed. In FIG. 2b, by way of example, a fixed crossing point 5 is highlighted.
  • This fabric is coated with cured UP or vinyl ester resin. As a result, the dimensional stability is achieved.
  • Fig. 3a shows a fabric 4 with carbon fibers 1.
  • the fabric is pretreated as shown in Fig. 2b.
  • Fig. 3b shows this fabric deformed and hardened.
  • these fabrics 4 is pressed with SMC 6 to form a molded part 3.
  • the carbon fibers 1 in these moldings can then be used as antennas.
  • FIG. 4a, b show pressed-in receiving antennas in the primary molded part 3a (FIG. 4a) and in the secondary molded part 3b (FIG. 4b).
  • the antenna is identified by the reference numeral 7.
  • FIGS 5a, b show a similar arrangement, but for transmitting antennas.
  • a metal-coated (preferably aluminum-coated) fabric 8 is additionally provided for shielding.
  • the figures show only schematically the arrangement of antennas 7 in a molded part 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Reinforced Plastic Materials (AREA)
  • Details Of Aerials (AREA)
  • Woven Fabrics (AREA)
  • Moulding By Coating Moulds (AREA)

Claims (6)

  1. Pièce moulée (3) en matière plastique renforcée de fibres, comprenant un morceau de tissu (4) qui comporte des fibres disposées dans les directions de chaîne et de trame et dans lequel des fibres présentent une certaine conductivité électrique et forment une antenne, lequel tissu (4) comporte des fibres de carbone (1) et des fibres de verre (2), disposées dans la direction de chaîne ou de trame, et des fibres de verre disposées dans l'autre direction, c'est-à-dire la direction de trame ou de chaîne, et dans lequel tissu chacune des fibres de carbone est adjacente à une fibre de verre et vice versa, les fibres sont, dans les deux directions, parallèles et écartées les unes des autres, et les fibres de carbone (1) sont disposées à distance de 5 mm les unes des autres.
  2. Pièce moulée conforme à la revendication 1, caractérisée en ce que la pièce moulée (3) est constituée de fibres de carbone (1) pour jusqu'à 60 % de son poids.
  3. Pièce moulée conforme à la revendication 1 ou 2, caractérisée en ce que l'épaisseur et/ou la longueur des fibres de carbone (1) est/sont choisies en fonction de l'accord d'antenne nécessaire.
  4. Pièce moulée conforme à l'une des revendications 1 à 3, caractérisée en ce que la pièce moulée (3) à antenne ou antennes intégrée(s) est fixée sur un véhicule et, par exemple, constitue un couvercle de coffre ou est placée dans ou sur un pare-chocs.
  5. Pièce moulée conforme à l'une des revendications 1 à 4, caractérisée en ce que, dans le cas d'antennes émettrices, une protection métallique supplémentaire (8) est intégrée dans la pièce moulée (3).
  6. Pièce moulée conforme à la revendication 5, caractérisée en ce que la protection métallique (8) est un tissu ou un mat en fibres synthétiques, revêtu d'aluminium déposé à partir d'une phase vapeur.
EP98100191A 1997-01-15 1998-01-08 Pièce moulée plastique renforcée par des fibres avec antenne integrée Expired - Lifetime EP0854536B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19701147 1997-01-15
DE19701147 1997-01-15
DE1997129972 DE19729972A1 (de) 1997-07-12 1997-07-12 Faserverstärktes Kunststoff-Formteil mit integrierter Antenne
DE19729972 1997-07-12

Publications (3)

Publication Number Publication Date
EP0854536A2 EP0854536A2 (fr) 1998-07-22
EP0854536A3 EP0854536A3 (fr) 2000-07-05
EP0854536B1 true EP0854536B1 (fr) 2007-05-09

Family

ID=26033111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98100191A Expired - Lifetime EP0854536B1 (fr) 1997-01-15 1998-01-08 Pièce moulée plastique renforcée par des fibres avec antenne integrée

Country Status (3)

Country Link
EP (1) EP0854536B1 (fr)
AT (1) ATE362202T1 (fr)
DE (1) DE59813996D1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221738A3 (fr) 2000-12-27 2002-10-23 The Furukawa Electric Co., Ltd. Antenne petite et son procédé de fabrication
US6970423B2 (en) 2001-01-18 2005-11-29 Lucent Technologies Inc. Universal mobile telecommunications system (UMTS) quality of service (QoS) supporting asymmetric traffic classes
DE10113285A1 (de) * 2001-03-16 2002-10-02 Daimler Chrysler Ag Antennenanordnung
FI115342B (fi) 2001-11-15 2005-04-15 Filtronic Lk Oy Menetelmä sisäisen antennin valmistamiseksi ja antennielementti
DE10242522A1 (de) * 2002-09-12 2004-04-08 Daimlerchrysler Ag Integrierte Antennenstrukturen, integrierte elektronische Komponentenstrukturen und Verfahren zu ihrer Herstellung
FR2884471B1 (fr) 2005-04-18 2007-07-20 Plastic Omnium Cie Piece de renfort pour vehicule automobile et utilisation d'une telle piece comme antenne
DE102005050204A1 (de) * 2005-10-20 2007-04-26 Eads Deutschland Gmbh Verfahren zur Herstellung einer strukturintegrierten Antenne
DE102006034545B4 (de) * 2006-07-26 2008-07-10 Universität Bremen Antenne in einem faserverstärkten Verbundwerkstoff und Verfahren zur Ausbildung einer Antenne in einem faserverstärkten Verbundwerkstoff
US7973729B2 (en) * 2006-08-08 2011-07-05 Sensormatic Electronics, LLC Thin-film EAS and RFID antennas
TWM313872U (en) * 2006-11-30 2007-06-11 Cotech Inc Antenna and casing composite structure
DE102006056890B4 (de) 2006-12-01 2011-08-25 Airbus Operations GmbH, 21129 Wandelement mit einer Antenneneinrichtung
US9055667B2 (en) 2011-06-29 2015-06-09 Tangitek, Llc Noise dampening energy efficient tape and gasket material
US8164527B2 (en) 2011-03-03 2012-04-24 Tangitek, Llc Antenna apparatus and method for reducing background noise and increasing reception sensitivity
US8854275B2 (en) 2011-03-03 2014-10-07 Tangitek, Llc Antenna apparatus and method for reducing background noise and increasing reception sensitivity
US8658897B2 (en) 2011-07-11 2014-02-25 Tangitek, Llc Energy efficient noise dampening cables
US20170021380A1 (en) 2015-07-21 2017-01-26 Tangitek, Llc Electromagnetic energy absorbing three dimensional flocked carbon fiber composite materials
DE102020213995A1 (de) * 2020-11-06 2022-05-12 Volkswagen Aktiengesellschaft Antennenvorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370658A (en) * 1981-04-29 1983-01-25 Hill Fred G Antenna apparatus and method for making same
DE3248147A1 (de) * 1982-12-27 1984-06-28 Siemens AG, 1000 Berlin und 8000 München Metallisierte formteile aus kunststoff fuer technische gehaeuse zur abschirmung gegenueber elektromagnetischen stoerfeldern
JPS6146099A (ja) * 1984-08-10 1986-03-06 株式会社ブリヂストン 電磁波反射体
JPS62216300A (ja) * 1986-03-17 1987-09-22 株式会社イナックス 導電性不織布樹脂複合成形板の製法
DE4008899C1 (en) * 1990-03-20 1991-04-18 Webasto Ag Fahrzeugtechnik, 8035 Stockdorf, De Spoiler arrangement for roof of vehicle - comprises frame of glass-fibre reinforced polyester resin, lateral member and angled front spoiler section
DE4116232A1 (de) * 1991-05-17 1992-11-19 Hirschmann Richard Gmbh Co Antennenanordnung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP0854536A3 (fr) 2000-07-05
EP0854536A2 (fr) 1998-07-22
DE59813996D1 (de) 2007-06-21
ATE362202T1 (de) 2007-06-15

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