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DE102012107017A1 - Method for ensuring trouble-free transmission of electronic signals of tire pressure control system in wheel of passenger car, involves inserting and/or applying lacquer-layer and aluminum wires in or on wheel housing and plastic part - Google Patents

Method for ensuring trouble-free transmission of electronic signals of tire pressure control system in wheel of passenger car, involves inserting and/or applying lacquer-layer and aluminum wires in or on wheel housing and plastic part Download PDF

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Publication number
DE102012107017A1
DE102012107017A1 DE201210107017 DE102012107017A DE102012107017A1 DE 102012107017 A1 DE102012107017 A1 DE 102012107017A1 DE 201210107017 DE201210107017 DE 201210107017 DE 102012107017 A DE102012107017 A DE 102012107017A DE 102012107017 A1 DE102012107017 A1 DE 102012107017A1
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Germany
Prior art keywords
wheel
layer
fiber
reinforced plastic
wires
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.)
Withdrawn
Application number
DE201210107017
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German (de)
Inventor
Michael Baum
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.)
Dr Ing HCF Porsche AG
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Dr Ing HCF Porsche AG
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Publication date
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Priority to DE201210107017 priority Critical patent/DE102012107017A1/en
Publication of DE102012107017A1 publication Critical patent/DE102012107017A1/en
Withdrawn legal-status Critical Current

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
    • B29C70/885—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding with incorporated metallic wires, nets, films or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/17—Understructures, i.e. chassis frame on which a vehicle body may be mounted forming fluid or electrical conduit means or having other means to accommodate the transmission of a force or signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/16—Mud-guards or wings; Wheel cover panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
    • B62D29/043—Superstructures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Composite Materials (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The method involves inserting and/or applying a conductive and reflective lacquer-layer e.g. water thinnable electromagnetic compatibility-protective lacquer and aluminum foil, and aluminum wires (6) of a high conductive material in or on a wheel housing and a fiber reinforced plastic part (3) e.g. carbon fiber reinforced plastic part, of a body of a motor vehicle. The wires are woven during a web process for weaving reinforcement fibers such as carbon or glass fibers (5), in a plastic substrate (4).

Description

Die Erfindung betrifft ein Verfahren zur Sicherstellung einer störungsfreien Übertragung von Elektronik-Signalen in mit im Wesentlichen mit faserverstärktem Kunststoff aufgebauten Karosserien für Fahrzeuge, insbesondere Karosserien für Kraftfahrzeuge. The invention relates to a method for ensuring trouble-free transmission of electronic signals in bodies constructed essentially with fiber-reinforced plastic for vehicles, in particular bodies for motor vehicles.

Faserverstärkte Kunststoff-Bauteile, z.B. kohlestofffaser- oder glasfaserverstärkter Kunststoff, wie sie z.B. im Fahrzeugbau für Karosserieteile Anwendung finden, lassen Hochfrequenz-Strahlen im Wesentlichen reflexionsfrei durch. Um in Kraftfahrzeugen mit faserverstärkter Karosserie oder mit faserverstärkten Radhäusern z.B. ein elektronisches Reifendruck-Kontrollsystem einsetzen zu können, muss in jedes einzelne Radhaus deshalb eine Empfangsantenne für die von der in die Räder integrierten Sendeelektronik ausgestrahlten Signale und ebenfalls in jedes Radhaus eine aufwendige Signal-Bearbeitungs- und Übertragungseinrichtung integriert werden, da systembedingt die Signale der in den Rädern vorgesehenen Radelektroniken über Reflexionen in den Radhäusern bzw. zwischen Fahrzeugunterboden und Straße übertragen werden. Bei metallisch aufgebauten Karosserien bzw. Radhäusern wird der Reflexionsraum innerhalb der Radhäuser benutzt, um die in allen Radpositionen über die 360°-Raddrehung gesendeten Elektronik-Signale einer zentralen Antenne im Fahrzeug zuzuleiten. Fiber reinforced plastic components, e.g. carbon fiber or glass fiber reinforced plastic, e.g. used in vehicle bodywork for body parts, allow high-frequency rays essentially by reflection. To be used in motor vehicles with fiber-reinforced body or with fiber-reinforced wheel arches, e.g. To be able to use an electronic tire pressure control system, therefore, a receiving antenna for the signals radiated by the transmission electronics integrated in the wheels and also in each wheel well an elaborate signal processing and transmission device must be integrated into each wheel house, because systemically the signals of in the wheels wheel electronics are transmitted via reflections in the wheel arches or between vehicle underbody and road. In metallic bodies or wheel arches of the reflection space is used within the wheel arches in order to transmit the transmitted in all wheel positions on the 360 ° wheel rotation electronics signals a central antenna in the vehicle.

Der Erfindung liegt die Aufgabe zugrunde, bei Fahrzeugen mit aus faserverstärktem Kunststoff aufgebauten Karosserien ein einfach aufgebautes und sicher funktionierendes System zur störungsfreien Übertragung und Erfassung von Elektronik-Signalen, insbesondere den Elektronik-Signalen eines Reifendruck-Kontrollsystems an allen Rädern eines Fahrzeuges, zur Verfügung zu stellen. The invention is based on the object in vehicles with built-up fiber reinforced plastic bodies a simple structure and safe functioning system for trouble-free transmission and detection of electronic signals, in particular the electronic signals of a tire pressure control system on all wheels of a vehicle, available put.

Diese Aufgabe wird nach der Erfindung durch ein Verfahren gelöst, bei dem auf bzw. in die faserverstärkten Kunststoff-Teile der Karosserie leitfähige Schichten ein- und/oder aufgebracht werden. This object is achieved according to the invention by a method in which conductive layers on and / or in the fiber-reinforced plastic parts of the body and / or applied.

Eine bevorzugte Ausführung wird nach der Erfindung darin gesehen, dass auf die faserverstärkten Kunststoff-Teile eine Leitlack-Schicht, z.B. eine Schicht aus wasserverdünnbarem EMV-Schutzlack aufgebracht wird. A preferred embodiment according to the invention is seen in that on the fiber-reinforced plastic parts a conductive paint layer, e.g. a layer of water-dilutable EMC protective coating is applied.

Ebenso denkbar ist es, in die faserverstärkten Kunststoffteile bei deren Herstellungsprozess Drähte aus hochleitendem Material mit einzuweben. Solche Drähte können z.B. aus Aluminium oder einer Aluminium-Legierung bestehen. It is also conceivable to weave wires of highly conductive material into the fiber-reinforced plastic parts during their production process. Such wires may e.g. made of aluminum or an aluminum alloy.

Ebenso hat sich in Versuchen gezeigt, dass das Aufbringen – Beschichten oder Bekleben – einer leitfähigen und reflektierenden Schicht auf Teile der faserverstärkten Karosserie, insbesondere auf das den Rädern zugewandte Innere der Radhäuser, gute Übertragungsergebnisse gewährleistet. Dabei kann die aufzubringende Leitschicht eine Folie aus Aluminium sein. Likewise, it has been shown in tests that the application - coating or gluing - a conductive and reflective layer on parts of the fiber-reinforced body, in particular on the wheels facing the interior of the wheel arches, ensures good transmission results. In this case, the conductive layer to be applied may be a foil made of aluminum.

Bei Karosserien bzw. Karosserieteilen von Fahrzeugen, die nach dem Verfahren der Erfindung mit einer leit- und reflexionsfähigen Schicht ausgestattet bzw. aufgebaut sind, sind die gleichen Signalübertragungs- bzw. Erfassungsergebnisse zum Beispiel bei Reifendruck-Kontrollsystemen mit lediglich einer Zentralantenne im Fahrzeug erreichbar, wie sie heute in der Großserien-Anwendung im Pkw-Bau üblich sind. Es hat sich gezeigt, dass eine hohe Empfangsqualität in allen Radpositionen und bei allen Lenkwinkel-Positionen gelenkter Räder problemlos erreichbar ist. In bodies or body parts of vehicles which are equipped with a conductive and reflective layer according to the method of the invention, the same signal transmission or detection results, for example, in tire pressure control systems with only a central antenna in the vehicle can be achieved they are common today in the mass production application in passenger car construction. It has been shown that a high reception quality is easily achievable in all wheel positions and at all steering angle positions of steered wheels.

Gleichzeitig wird über die Leit- bzw. Reflexions-Schicht als Zusatznutzen erreicht, dass auch bei faserverstärkten Karosserien die Absicherung gegen Stör-Ein- bzw. Stör-Abstrahlung – elektromagnetische Verträglichkeit (EMV) – sicherstellbar ist. At the same time, it is achieved via the conductive or reflective layer as additional benefit that it is also possible to ensure protection against interfering interference or interference radiation - electromagnetic compatibility (EMC) - even with fiber-reinforced bodies.

In den Figuren der Zeichnung sind Ausführungsbeispiele nach der Erfindung schematisch dargestellt. Anhand dieser Beispiele sollen im Folgenden die Merkmale der Erfindung detaillierter beschrieben werden. In the figures of the drawing embodiments are shown schematically according to the invention. Using these examples, the features of the invention will be described in more detail below.

Es zeigt: It shows:

1 schematisch ein Radhaus und ein Rad eines Pkw; und 1 schematically a wheel arch and a wheel of a car; and

2 schematisch einen Schnitt durch ein faserverstärktes Bauteil für ein Fahrzeug, das nach dem Verfahren nach der Erfindung hergestellt ist. 2 schematically a section through a fiber-reinforced component for a vehicle, which is produced by the method according to the invention.

Mit R in 1 ist das Rad eines Pkw bezeichnet. Dieses Rad R ist mit einer Rad-Elektronik ausgestattet, die in allen Radpositionen über die 360°-Raddrehung sowie auch bei gelenkten Rädern über den gesamten Lenkwinkelbereich Signale zum jeweils aktuellen Reifendruck sendet. Der aus faserverstärktem Kunststoff bestehende Teil der Karosserie um das Rad R herum, z.B. das sogenannte Radhaus 1, ist auf seiner dem Rad zugewandten Seite großflächig mit einer leitfähigen Schicht 2 versehen. Diese Schicht 2 besteht aus leitfähigem und reflexionsfähigem Material. Es kann sich dabei um einen Leitlack handeln, wie er z.B. in bekannter Weise zur EMV-Absicherung von Bauteilen serienmäßig zum Einsatz kommt, also um einen sogenannten wasserverdünnbaren EMV-Schutzlack. Die Schicht 2 kann aber auch als zusätzliche Schicht in die Innenseite des Radhauses 1 eingebracht werden, z.B. durch Aufkleben, Aufsprühen u.ä. Es kann sich dabei auch um eine Folie aus leit- und reflexionsfähigem Material handeln, wie z.B. eine dünne Aluminiumfolie. With R in 1 is the wheel of a car called. This wheel R is equipped with a wheel electronics system that transmits signals for the current tire pressure in all wheel positions via the 360 ° wheel rotation as well as with steered wheels over the entire steering angle range. The made of fiber-reinforced plastic part of the body around the wheel R around, for example, the so-called wheelhouse 1 , is on its wheel-facing side over a large area with a conductive layer 2 Mistake. This layer 2 consists of conductive and reflective material. It may be a conductive ink, as it comes as standard in a known manner for EMC protection of components used, so a so-called water-dilutable EMC protective coating. The layer 2 But also as an extra layer in the inside of the wheel arch 1 be introduced, for example by sticking, spraying u.ä. It may also be a film of conductive and reflective material, such as a thin aluminum foil.

Die leit- und reflexionsfähige Schicht 2 kann aber ebenso als Schicht-Aufbau in faserverstärkte Kunststoff-Teile eines Fahrzeuges integriert werden. In 2 ist ein Schnitt durch ein solches faserverstärktes Kunststoff-Teil 3 dargestellt. Das Teil 3 besteht in üblicher Weise aus einem Kunststoff 4, in dem beim Herstellungsverfahren verstärkende Fasern, z.B. Kohlenstoff- oder Glasfasern 5 eingewebt werden. Gleichzeitig wird nach der Erfindung dünner Aluminium-Draht 6 – in 2 strichpunktiert dargestellt – zur Erzeugung einer Leit- bzw. Reflexionsschicht mit eingewebt. Dieser Aluminium-Draht 6 wird von einer separaten Spindel im Webprozess für das faserverstärkte Bauteil ebenso wie die eingewebten Fasern mit im Wesentlichen gleichmäßiger Struktur in das Verbundbauteil mit eingewoben. The conductive and reflective layer 2 but can also be integrated as a layer structure in fiber-reinforced plastic parts of a vehicle. In 2 is a section through such a fiber-reinforced plastic part 3 shown. The part 3 consists in the usual way of a plastic 4 in which in the manufacturing process reinforcing fibers, such as carbon or glass fibers 5 to be woven. At the same time, according to the invention thin aluminum wire 6 - in 2 shown in phantom - to create a conductive or reflective layer with woven. This aluminum wire 6 is woven into the composite member by a separate spindle in the weaving process for the fiber reinforced component as well as the woven fibers having a substantially uniform structure.

Claims (8)

Verfahren zur Sicherstellung einer störungsfreien Übertragung von Elektronik-Signalen in mit im Wesentlichen mit faserverstärktem Kunststoff aufgebauten Karosserien für Fahrzeuge, insbesondere Kraftfahrzeuge, dadurch gekennzeichnet, dass in und/oder auf die faserverstärkten Kunststoff-Teile (1; 3) der Karosserie leitfähige Schichten (2, 6) ein- und/oder aufgebracht sind. Method for ensuring a trouble-free transmission of electronic signals in bodies constructed essentially with fiber-reinforced plastic for vehicles, in particular motor vehicles, characterized in that in and / or on the fiber-reinforced plastic parts ( 1 ; 3 ) the body conductive layers ( 2 . 6 ) are applied and / or applied. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass auf die faserverstärkten Kunststoff-Teile (1) eine Leitlack-Schicht (2) aufgebracht ist. A method according to claim 1, characterized in that on the fiber-reinforced plastic parts ( 1 ) a conductive ink layer ( 2 ) is applied. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass als Leitlack-Schicht (2) ein wasserverdünnbarer EMV-Schutzlack verwendet wird. A method according to claim 2, characterized in that as Leitlack layer ( 2 ) a water-dilutable EMC protective coating is used. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass in die faserverstärkten Kunststoff-Teile (1; 3) Drähte (6) aus hochleitfähigem Material eingewebt werden. A method according to claim 1, characterized in that in the fiber-reinforced plastic parts ( 1 ; 3 ) Wires ( 6 ) are woven from highly conductive material. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Drähte (6) Aluminium-Drähte sind. Method according to claim 4, characterized in that the wires ( 6 ) Are aluminum wires. Verfahren nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Drähte (6) im Webprozess zum Einweben der Verstärkungsfasern (5) in das Kunststoffträgermaterial (4) mit eingewebt werden. Method according to claim 4 or 5, characterized in that the wires ( 6 ) in the weaving process for weaving in the reinforcing fibers ( 5 ) in the plastic carrier material ( 4 ) are woven in with. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Kunststoff-Teil (1; 3) mit einer leitfähigen Schicht (2) beschichtet bzw. beklebt ist. Method according to claim 1, characterized in that the plastic part ( 1 ; 3 ) with a conductive layer ( 2 ) is coated or glued. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass als leitfähige Schicht (2) eine Aluminium-Folie verwendet wird. Method according to claim 7, characterized in that as a conductive layer ( 2 ) an aluminum foil is used.
DE201210107017 2012-08-01 2012-08-01 Method for ensuring trouble-free transmission of electronic signals of tire pressure control system in wheel of passenger car, involves inserting and/or applying lacquer-layer and aluminum wires in or on wheel housing and plastic part Withdrawn DE102012107017A1 (en)

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DE201210107017 DE102012107017A1 (en) 2012-08-01 2012-08-01 Method for ensuring trouble-free transmission of electronic signals of tire pressure control system in wheel of passenger car, involves inserting and/or applying lacquer-layer and aluminum wires in or on wheel housing and plastic part

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DE201210107017 DE102012107017A1 (en) 2012-08-01 2012-08-01 Method for ensuring trouble-free transmission of electronic signals of tire pressure control system in wheel of passenger car, involves inserting and/or applying lacquer-layer and aluminum wires in or on wheel housing and plastic part

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DE102012107017A1 true DE102012107017A1 (en) 2014-02-06

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3011336A1 (en) * 1980-03-25 1981-10-01 Daimler-Benz Ag, 7000 Stuttgart BODY OUTER SKIN PARTS MADE OF COMPOSITE FIBER MATERIAL FOR MOTOR VEHICLES
DE10201827A1 (en) * 2001-01-22 2002-08-14 Durakon Ind Inc Fiber-reinforced plastic cargo bed and cargo bed liner with electrical charge dissipating or consuming characteristics for a truck
DE10206225C1 (en) * 2002-02-15 2003-09-18 Basf Coatings Ag Process for producing multicoat color and / or effect paint systems
DE112006001020T5 (en) * 2005-04-26 2008-02-28 Akebono Brake Industry Co., Ltd. Tire sensor system and vehicle body that has this mounted
DE102010053841A1 (en) * 2010-12-08 2012-06-14 Daimler Ag Textile semi-finished products useful for manufacturing fiber-reinforced structural-parts for motor vehicles, comprises at least one non-metallic fiber assembly, and at least one wire with a plastic deformability

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3011336A1 (en) * 1980-03-25 1981-10-01 Daimler-Benz Ag, 7000 Stuttgart BODY OUTER SKIN PARTS MADE OF COMPOSITE FIBER MATERIAL FOR MOTOR VEHICLES
DE10201827A1 (en) * 2001-01-22 2002-08-14 Durakon Ind Inc Fiber-reinforced plastic cargo bed and cargo bed liner with electrical charge dissipating or consuming characteristics for a truck
DE10206225C1 (en) * 2002-02-15 2003-09-18 Basf Coatings Ag Process for producing multicoat color and / or effect paint systems
DE112006001020T5 (en) * 2005-04-26 2008-02-28 Akebono Brake Industry Co., Ltd. Tire sensor system and vehicle body that has this mounted
DE102010053841A1 (en) * 2010-12-08 2012-06-14 Daimler Ag Textile semi-finished products useful for manufacturing fiber-reinforced structural-parts for motor vehicles, comprises at least one non-metallic fiber assembly, and at least one wire with a plastic deformability

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