EP1080513B2 - Automobile antenna device - Google Patents

Automobile antenna device Download PDF

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Publication number
EP1080513B2
EP1080513B2 EP99915696A EP99915696A EP1080513B2 EP 1080513 B2 EP1080513 B2 EP 1080513B2 EP 99915696 A EP99915696 A EP 99915696A EP 99915696 A EP99915696 A EP 99915696A EP 1080513 B2 EP1080513 B2 EP 1080513B2
Authority
EP
European Patent Office
Prior art keywords
base
antenna device
vehicle
radio frequency
vehicle antenna
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
EP99915696A
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German (de)
French (fr)
Other versions
EP1080513A1 (en
EP1080513B1 (en
Inventor
Dirk Wendt
Günter LIPKA
Werner JÄGER
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.)
Hirschmann Electronics GmbH and Co KG
Hirschmann Electronics GmbH
Original Assignee
Hirschmann Electronics GmbH and Co KG
Hirschmann Electronics GmbH
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Publication date
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Application filed by Hirschmann Electronics GmbH and Co KG, Hirschmann Electronics GmbH filed Critical Hirschmann Electronics GmbH and Co KG
Publication of EP1080513A1 publication Critical patent/EP1080513A1/en
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Publication of EP1080513B1 publication Critical patent/EP1080513B1/en
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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
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications

Definitions

  • the invention relates to a vehicle antenna device according to the preamble of claim 1.
  • a vehicle antenna device is, for example, by the DE 37 19 692 C2 and their practical implementation in a version for Mercedes Benz W 210 series passenger cars.
  • the high-frequency device which includes matching circuits and amplifiers mounted on the body and connected via cables with arranged at the edge of the disc contact points of the antenna structure (s).
  • the cables are at the contact points of the disc either fixed (by soldering) or detachable (plug or push button connections) and vice versa either inserted or soldered to the high frequency device.
  • the said contacts must compensate for all tolerances between the body and the connected via a flexible adhesive vehicle front or - rear window, which arise in the manufacture of the contacts, the mounting of disc and high-frequency device and by the shaking movements of the vehicle.
  • the tolerances of the contact points of the antenna structures produced as silver print with respect to the disk edge and the disk relative to the body require inter alia relatively large contact surfaces, which are unfavorable in terms of high frequency technology.
  • the laying of the connection cable affects the antenna parameters, in particular the terminal impedance of the antenna, whereby the high-frequency device on the input side high tolerances arise, which must also be compensated. All solders on the vehicle window are also problematic because they lead due to the bias and the poor thermal conductivity of the glass to significant glass breakage rates and thus an increase in the cost of the system.
  • the known antenna antenna is not already mounted on a vehicle window, but on an insulating film, which in turn is secured to the vehicle window by means of an adhesive.
  • an insulating film is glued, which carries a Koaxialbuchse at the antenna base, the RF ports are connected to the associated contact points of the antenna structure and in which the coaxial connector provided for harnessfrequenzmit connection with a remote RF device (car phone) coaxial Connecting cable is inserted.
  • the known vehicle antenna device is thus complex in construction and installation.
  • the invention has for its object to provide a vehicle antenna device of the type mentioned, in which the high-frequency device in the simplest and most cost-effective manner releasably attachable to the disc and at the same time without connecting lines and without soldering electrically connected to the connection points of the antenna structure (s).
  • the device according to the invention is thus much more versatile compared to the described prior art and a device change requires no expensive disc change.
  • high frequency devices are adapted to the needs of the individual case different electronic units used.
  • this is one Amplifier with matching circuit, but it can also - in the event that only a small, the viewing range of the drive is not disturbing disk surface available - only be a matching circuit, for example via a ribbon cable either directly or via a s.der Body-mounted amplifier communicates with a receiver or transmitter.
  • the high-frequency device so for example an amplifier
  • directly ie connect without connecting line to the antenna base, whereby both an independent of the construction of the vehicle good adaptation and - in the case of reception - an optimal signal-to-noise ratio is achieved at the amplifier output.
  • the transmission case is by the direct connection of the high-frequency device to the antenna structure (s) no matching element, but only one to the transformed to the contact points personally Vietnameseimpedanzen the antenna structure (s) matched amplifier output required.
  • an optimum transmission power is available at the antennas.
  • the base must have no contact but only holding devices and is therefore extremely inexpensive to produce as a simple injection-molded part.
  • the high-frequency device is pushed into the socket until the outwardly projecting lugs of the high-frequency device are completely inserted under the projections of the base frame.
  • the projections and lugs are arranged according to claim 7 on three corresponding sides of the base or the high-frequency device, so that the high-frequency device - especially if the projections on each frame side are formed continuously - can be inserted as in a kind of pocket of the base.
  • a sufficient space in the order of the insertion path is required on the introduction page.
  • such a space requirement is usually not available.
  • the projections on the sides and - to save material also on the insertion side opposite side - are interrupted or in other words that a plurality of projections are provided on each of the three sides.
  • the high-frequency device is first stirred in this advantageous embodiment, perpendicular to the surface of the base in this, the lateral lugs of the high-frequency device between the lateral projections of the base slide through, and then inserted vertically thereto until it stops in the base, with all lugs under the associated Protrusions lie.
  • the high-frequency device protrudes only by about the depth of the projections on the introduction side, so that this version is particularly suitable for mounting on disc edges due to the smaller footprint.
  • the high-frequency device by means of a releasable latching holder vibration-proof to keep in the assembled state (claim 8).
  • a releasable latching holder vibration-proof to keep in the assembled state (claim 8).
  • Particularly simple and inexpensive both in terms of production and operation is a design of this locking device according to claim 9.
  • the locking tongues with the locking cams are produced together with the base without additional costs, for example by injection molding.
  • the locking cams are depressed when inserting the high-frequency device in the socket and snap at fully inserted high-frequency device due to the spring action of the locking tongues back to their original position, they engage behind the housing of the high-frequency device. To remove the high-frequency device this is on the other hand after depressing the locking cams easily pulled out of the base.
  • the detachable electrical connection of the terminals of the high-frequency devices with the associated contact points of the antenna structures on the vehicle window is carried out in a particularly advantageous embodiment of the vehicle antenna device according to the invention by claim 11 attached to the high-frequency device contact springs.
  • contact springs can be mounted at arbitrary locations on the surface of the high-frequency device facing the base; they merely have to lie exactly opposite the corresponding contact points of the antenna structures.
  • a particularly simple and therefore accurate positioning can be achieved if the contact springs are aligned in a line, for example between the projections on the broad side (contact side) of the base.
  • the contact springs could be made of conductive plastic in the form of plastic pads (because of their small length, the electrical resistance is still sufficiently low) or made of metal-coated plastic.
  • Metal springs according to claim 14, in contrast, have the advantage of higher stability or resistance to breakage, greater possible contact pressures and better conductivity. In addition, they are in any form easier and less expensive to produce as stamped and bent parts.
  • An embodiment of the contact spring according to claim 15 is a particularly suitable for the electrical connection to circuit boards and the holder in cast-in boards suitable implementation.
  • an embodiment according to claim 16 characterized by a high mechanical stability and a large soldering surface for easy and secure contact on the circuit board.
  • the high-frequency device As protection against mechanical damage and weathering, it is advantageous to provide the high-frequency device with a housing (claim 18).
  • this consists of insulating material.
  • Particularly cost is the production, if the housing according to claim 19 consists of encapsulation or potting material, since this not only in a simple manner in all possible forms, e.g. Without additional costs with retaining lugs, can be produced, no special holding means for injected parts such. the contact springs needed and not least is particularly flat to produce, creating a hidden mounting under moldings of the vehicle such as the sky, the parcel shelf or the C-pillar trim is possible.
  • a plastic molded case Another advantage of a plastic molded case is that additional devices, such as holding or guiding means, such as molded cable receptacles, can be integrated into the leads of other antennas (e.g., cellular or GPS navigational antennas) at virtually no extra cost in manufacturing. This eliminates the need for additional elements for guiding and holding functions.
  • additional devices such as holding or guiding means, such as molded cable receptacles
  • antennas e.g., cellular or GPS navigational antennas
  • the high frequency device is in terms of its Dimensions are not tied to the size of the socket. Rather, it can easily protrude beyond the base with parts which have no contacts, provided that the holding force of the projections of the base engaging behind lugs is sufficient.
  • the lateral projections are expediently designed as spaced-apart individual projections, between which the lateral lugs of the extended part of the high frequency device are introduced, on the other hand, a continuous projection may be provided on the other hand.
  • the entire base can be constructed in several parts (but in one piece), with the advantage that only one base is required for different device sizes.
  • the vehicle antenna device is thus inexpensive and versatile.
  • device variants eg single-stage or multistage amplifiers and passive circuits such as filters, matching circuits or remote feed devices
  • vehicle antenna device consists of a molded plastic injection molded base 1, a high-frequency amplifier used therein 2 and a minimized area, arranged in the upper right corner of a vehicle rear window 3 pad 4, in which the bases of several ,
  • antenna structures 5-10 are combined in area contact points 11 for contacting with associated contact springs 12 of the high-frequency amplifier 2.
  • connection lines of the contact points 11 with the antenna base points are designed as simple conductor tracks 13-16 or coplanar lines 17, 18 and applied to the vehicle window 3 in silver-print together with the antenna structures 5-10 and the contact points 11 in a cost-saving manner.
  • the base 1 consists of a rectangular frame with side frame members 19, 20, 21 and 22 and an insertion side and a contact-side frame member 23 and 24. Between the side frame members 19 and 20 is the connection portion 25 for the high-frequency amplifier 2, between the lateral Frame parts 20 and 21 or 21 and 22 respectively an extension portion 26 and 27.
  • the side frame members 19-22 each have two inwardly projecting retaining projections 28, the contact-side frame member 24 has in the connection region 7 retaining projections 29 and in the extension sections 26, 27th depending on a continuous retaining projection 30, 31. All retaining projections 28 to 31 are spaced from the base bottom.
  • resilient latching tongues 32 are formed, which end in latching cams 33 for mounting the assembled high-frequency amplifier 2.
  • the high-frequency amplifier 2 consists of a circuit board carrying the electrical circuit components 34, which is embedded in an injection molded housing 35 which is suitably designed and dimensioned for installation in the base 1. It has on the two narrow sides two lugs 36 and on the contact side in the connection area 25 lugs 37, with correspond to the projections 29 of the frame part 24 of the base 1. At the contact-side end face of the lying outside the terminal portion 25 portion of the housing 35 has two with the projections 30, 31 of the extension sections 26, 27 of the base 1 cooperating through lugs 38, 39 are integrally formed.
  • the contact springs 12 are arranged, which rest with a flat portion 40 on the circuit board 34, where they are soldered to corresponding connection points and engage for mechanical fixation with an angled end projection 41 in a recess 42 of the circuit board 34 , After casting, the contact springs 12 are securely and sufficiently stably mounted in the housing 35 to accommodate the spring pressure upon contact can.
  • the bent down from the housing 35 bent-back spring member 43 is curved convexly as a contact leg in the longitudinal direction. To increase the stability of the contact springs of the flat spring member 40 is made wider than the curved contact legs 43rd
  • the base 1 is based on markings 44, which are also applied as silver print already with the antenna structures 5-10 and the contact points 11 and the connecting lines 13-18 on the vehicle window 3, so positionally accurate on the pad 4 of the contact points on the vehicle window. 3 glued that when mounted radio frequency amplifier, the contact springs 12 rest exactly on the associated contact points 11.
  • the high-frequency amplifier 2 is introduced with lateral lugs 36 in the spaces between the lateral projections 28 of the base 1 in this perpendicular to the disk plane, wherein the locking lugs 33 are pushed through the housing bottom to the vehicle window 3, that then the high-frequency amplifier 2 to Stop in the direction of the contact-side frame member 24 can be inserted through.
  • the lugs 36-39 of the booster housing 35 slide under the corresponding projections 28-31 of the base 1 and fully inserted high-frequency amplifier snap the locking cam 33 upwards and engage behind the booster housing 35th In this mounted position of the high frequency amplifier 2 is thus held in all directions in the socket.
  • the lugs 36 to 39 have at their the protrusions 28 to 31 facing end faces sliding bevels 45, which facilitate the insertion of the booster housing 35 in the base 1.
  • the contact springs 12 When inserting the high frequency amplifier 2 in the base 1, the contact springs 12 are compressed perpendicular to the disk plane, so that their curved contact legs 43 rest after sliding onto the contact points 11 during subsequent insertion of the booster housing 35 under spring pressure at the contact points and establish a secure contact. At the same time by the pressure of the contact springs 12, the opposing surfaces of the mating projections 28-31 and lugs 36-39 pressed against each other, which also increases the holding effect. This effect is further enhanced by a further bevel 46 of the lugs 36-39, which press the fully inserted into the base 1 amplifier housing 35 even further towards the vehicle window 3 back.
  • the underside of the projections 28-31 is the described contour of the lugs 37-39 with two slopes 45 and 46 adapted.
  • the booster housing 35 has a guide and retaining groove 47 produced during injection molding in the same operation for receiving a cable 48, which comes from a not belonging to the vehicle antenna device further, not shown antenna, such as a GPS antenna, and forwarded to a navigation device is.
  • the not shown receivers, eg for radio reception and a remote control lock, leading, miteingegossenen in the amplifier housing 35 output lines of the Hochfrequenzverstarkers 2 are here designed as ribbon cables 49, 50.
  • a vehicle antenna device is created with the described structure, in which the high-frequency device 2 in a simple and cost-effective manner without soldering ruttelêt strictly redesign but removably mounted on the disc repair, or the use of another high-frequency device requires no disc change, the amplifier very much flat and thus suitable for mounting under moldings of the vehicle, only a high-frequency device for a number of antenna structures is required and at the same time to compensate for minimal tolerances and optimal electrical transmission data are achieved by the direct connection of the high-frequency amplifier to the antenna structures.

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  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Description

Die Erfindung betrifft eine Fahrzeug-Antenneneinrichtung nach dem Oberbegriff des Anspruches 1.
Eine Fahrzeug-Antenneneinrichtung ist beispielsweise durch die DE 37 19 692 C2 und ihre praktische Realisierung bei einer Ausführung fiir Mercedes Benz-PKW der Baureihe W 210 bekannt. Dabei ist das Hochfrequenzgerät, welches Anpaß-Schaltungen und Verstärker beinhaltet, an der Karosserie angebracht und über Kabel mit am Scheibenrand angeordneten Kontaktstellen der Antennenstruktur(en) verbunden. Die Kabel sind an den Kontaktstellen der Scheibe entweder fest (durch Lötung) oder lösbar (Steck- oder Druckknopf-Verbindungen) und am Hochfrequenzgerät umgekehrt entweder gesteckt oder angelötet.
Die genannten Kontakte müssen sämtliche Toleranzen zwischen der Karosserie und der damit über einen flexiblen Kleber verbundenen Fahrzeug-Front- oder - Heckscheibe ausgleichen, die bei der Fertigung der Kontakte, der Montage von Scheibe und Hochfrequenzgerät sowie durch die Rüttelbewegungen des Fahrzeugs entstehen.
Die Toleranzen der Kontaktstellen der als Silberdruck hergestellten Antennenstrukturen gegenüber dem Scheibenrand sowie der Scheibe gegenüber der Karosserie bedingen unter anderem verhältnismäßig große Kontaktflächen, welche hochfrequenztechnisch ungünstig sind.
Die Verlegung der Verbindungskabel beeinflußt die Antennenparameter, insbesondere die Anschlußimpedanz der Antenne, wodurch beim Hochfrequenzgerät eingangsseitig hohe Toleranzen entstehen, die ebenfalls ausgeglichen werden müssen. Alle Lötungen auf der Fahrzeugscheibe sind überdies problematisch, weil sie aufgrund der Vorspannung und der schlechten Wärmeleitfähigkeit des Glases zu erheblichen Glasbruchraten und damit einer Verteuerung des Systems fuhren.The invention relates to a vehicle antenna device according to the preamble of claim 1.
A vehicle antenna device is, for example, by the DE 37 19 692 C2 and their practical implementation in a version for Mercedes Benz W 210 series passenger cars. In this case, the high-frequency device, which includes matching circuits and amplifiers mounted on the body and connected via cables with arranged at the edge of the disc contact points of the antenna structure (s). The cables are at the contact points of the disc either fixed (by soldering) or detachable (plug or push button connections) and vice versa either inserted or soldered to the high frequency device.
The said contacts must compensate for all tolerances between the body and the connected via a flexible adhesive vehicle front or - rear window, which arise in the manufacture of the contacts, the mounting of disc and high-frequency device and by the shaking movements of the vehicle.
The tolerances of the contact points of the antenna structures produced as silver print with respect to the disk edge and the disk relative to the body require inter alia relatively large contact surfaces, which are unfavorable in terms of high frequency technology.
The laying of the connection cable affects the antenna parameters, in particular the terminal impedance of the antenna, whereby the high-frequency device on the input side high tolerances arise, which must also be compensated. All solders on the vehicle window are also problematic because they lead due to the bias and the poor thermal conductivity of the glass to significant glass breakage rates and thus an increase in the cost of the system.

Aus der EP 0 386 678 B1 ist es weiterhin bekannt, bei einer Fahrzeugantenne zum Anschluß an Antennenstrukturen vorgesehene aktive Vierpole durch Lötung oder Klebung fest auf einer Fahrzeugscheibe anzubringen. Bei dieser Anordnung müssen keine Toleranzen zwischen Fahrzeugscheibe und Karosserie ausgeglichen werden. Außerdem treten mangels einer Relativbewegung des Hochfrequenzgeräts gegenüber der Karosserie auch keine auszugleichenden Schwingungstoleranzen zwischen beiden bei bewegtem Fahrzeug auf.
Diese bekannte Einrichtung ist indessen nicht für Reparaturen oder einen Austausch des Hochfrequenzgerätes geeignet, weil dafür in aufwendiger Weise bei der ersten Alternative ein Ablöten und Wiederanlöten des reparierten oder ausgewechselten Hochfrequenzgerätes und bei der zweiten Alternative sogar ein vollständiger Scheibentausch erforderlich ist.
Außerdem sind Leitungs- und Lötverbindungen für den Anschluß des Vierpols an die Antennen nötig, die einen erhöhten Aufwand sowie die bereits beschriebene Gefahr eines Scheibenbruchs bedingen.From the EP 0 386 678 B1 It is also known to provide in a vehicle antenna for connection to antenna structures provided active four poles by soldering or gluing firmly on a vehicle window. In this arrangement, no tolerances between the vehicle window and body must be compensated. In addition, in the absence of a relative movement of the high-frequency device with respect to the body, no vibration tolerances to be compensated occur between the two when the vehicle is moving.
However, this known device is not suitable for repairs or replacement of the high-frequency device, because in a complex manner in the first alternative, a desoldering and Wiederanlöten the repaired or replaced high-frequency device and in the second alternative even a complete disc replacement is required.
In addition, line and solder joints for the connection of the quadrupole are required to the antennas, which require an increased effort and the risk of disc breakage already described.

Bei einer aus der GB-A-2 210 730 bekannten Scheibenantenne ist die Antennenstruktur schon nicht auf einer Fahrzeugscheibe angebracht, sondern auf einem Isolierfilm, der seinerseits auf der Fahrzeugscheibe mittels eines Klebers befestigt ist. Auf den Isolierfilm ist eine Isolierfolie aufgeklebt, die am Antennen-Fußpunkt eine Koaxialbuchse trägt, deren HF-Anschlüsse mit den zugehörigen Kontaktstellen der Antennenstruktur verbunden sind und in die der Koaxialstecker eines zur hochfrequenzmäßigen Verbindung mit einem entfernt angeordneten HF-Gerät (Autotelefon) vorgesehenen koaxialen Verbindungskabels einsteckbar ist. Die bekannte Fahrzeug-Antenneneinrichtung ist somit in Aufbau und Montage aufwendig.At one of the GB-A-2 210 730 the known antenna antenna is not already mounted on a vehicle window, but on an insulating film, which in turn is secured to the vehicle window by means of an adhesive. On the insulating film, an insulating film is glued, which carries a Koaxialbuchse at the antenna base, the RF ports are connected to the associated contact points of the antenna structure and in which the coaxial connector provided for hochfrequenzmit connection with a remote RF device (car phone) coaxial Connecting cable is inserted. The known vehicle antenna device is thus complex in construction and installation.

Gleiches gilt auch für die in der EP-A-0 791 975 beschriebenen Fahrzeug-Antenneneinrichtung, bei der die auf einer Fahrzeugscheibe angeordneten Antennenkontakte mit den an der Karosserie angebrachten Kontaktteile (Kontaktfuß) und weiter über eine Verbindungsleitung mit dem ebenfalls an der Karosserie befestigten HF-Gerät (Signalverarbeitungsgerät) verbunden sind.The same applies to those in the EP-A-0 791 975 described vehicle antenna device, in which the arranged on a vehicle window antenna contacts with the attached to the body contact parts (contact foot) and further via a connecting line with the also attached to the body RF device (signal processing device) are connected.

Aus der JP-A-8-321714 ist eine Fahrzeug-Antenneneinrichtung mit den Merkmalen des Oberbegriffes des Patentansprüches 1 bekannt.From the JP-A-8-321714 is a vehicle antenna device with the features of the preamble of patent claims 1 known.

Der Erfindung liegt die Aufgabe zugrunde, eine Fahrzeugantenneneinrichtung der eingangs genannten Art zu schaffen, bei der das Hochfrequenzgerät auf möglichst einfache und kostengünstige Weise lösbar an der Scheibe befestigbar und zugleich ohne Verbindungsleitungen und ohne Lötung elektrisch mit den Anschlußstellen der Antennenstruktur(en) verbindbar ist.The invention has for its object to provide a vehicle antenna device of the type mentioned, in which the high-frequency device in the simplest and most cost-effective manner releasably attachable to the disc and at the same time without connecting lines and without soldering electrically connected to the connection points of the antenna structure (s).

Diese Aufgabe ist durch die Merkmale des Anspruches 1 gelöst. Durch die lösbare Anordnung des Hochfrequenzgerätes auf der Fahrzeugscheibe sind nicht nur die Toleranzen sowie Relativbewegungen zwischen Karosserie und Scheibe unbeachtlich und lediglich noch die eine Zehnerpotenz geringeren Toleranzen des Silberdrucks auszugleichen, sondern zusätzlich auch Geräteauswechslungen einfach und schnell ausführbar. Dies kann zu Reparaturzwecken oder für den Einsatz unterschiedlicher Hochfrequenzgeräte zur Anpassung an geänderte Bedingungen erfolgen. Darüber hinaus ist es auch möglich, für eine Reihe von Fahrzeugen den gleichen Sockel vorzusehen und diesen dann je nach Fahrzeugtyp bzw. Antennentyp mit einem passenden Hochfrequenzgerät zu bestücken, dessen äußere Form bezüglich einer sicheren Halterung an den Sockel angepaßt stets dieselbe ist und deren Kontaktschema den Konfigurationen der jeweiligen Anschlußstellen entspricht.This object is solved by the features of claim 1. Due to the detachable arrangement of the high-frequency device on the vehicle window not only the tolerances and relative movements between the body and disc are irrelevant and only compensate for a power of ten lower tolerances of silver pressure, but also device replacement easily and quickly executable. This can be done for repair purposes or for the use of different high frequency devices to adapt to changing conditions. In addition, it is also possible to provide the same socket for a number of vehicles and then to equip them depending on the vehicle type or antenna type with a suitable high-frequency device whose outer shape adapted to secure support to the socket is always the same and their contact scheme the Configurations of the respective connection points corresponds.

Die erfindungsgemäße Einrichtung ist somit im Vergleich zum beschriebenen Stand der Technik wesentlich vielseitiger verwendbar und ein Gerätewechsel bedingt keinen teuren Scheibenwechsel.
Als Hochfrequenzgeräte sind dabei den Bedürfnissen des Einzelfalls angepaßt unterschiedliche elektronische Baueinheiten einsetzbar. Im Regelfall ist das ein Verstärker mit Anpaß-Schaltung, es kann aber auch - für den Fall, daß nur eine geringe, den Sichtbereich des Fahres nicht störende Scheibenfläche zur Verfügung steht - lediglich eine Anpaß-Schaltung sein, die z.B. über eine Flachbandleitung entweder direkt oder über einen an der Karosserie befestigten Verstärker mit einem Empfänger oder Sender in Verbindung steht.
Weiterhin ist das Hochfrequenzgerät, also beispielsweise ein Verstärker, direkt, d.h. ohne Verbindungsleitung an den Antennenfußpunkt anzuschließen, wodurch sowohl eine vom Aufbau des Fahrzeugs unabhängige gute Anpassung als auch - im Empfangsfall - ein optimales Signal-Rausch-Verhältnis am Verstärkerausgang erreicht ist. Im Sendefall ist durch den direkten Anschluß des Hochfrequenzgeräts an die Antennenstruktur(en) kein Anpaßglied, sondern lediglich ein an die an die Kontaktstellen transformierten Fußpunktimpedanzen der Antennenstruktur(en) angepaßter Verstärkerausgang erforderlich. Damit steht an den Antennen eine optimale Sendeleistung zur Verfügung.The device according to the invention is thus much more versatile compared to the described prior art and a device change requires no expensive disc change.
As high frequency devices are adapted to the needs of the individual case different electronic units used. As a rule, this is one Amplifier with matching circuit, but it can also - in the event that only a small, the viewing range of the drive is not disturbing disk surface available - only be a matching circuit, for example via a ribbon cable either directly or via a s.der Body-mounted amplifier communicates with a receiver or transmitter.
Furthermore, the high-frequency device, so for example an amplifier, directly, ie connect without connecting line to the antenna base, whereby both an independent of the construction of the vehicle good adaptation and - in the case of reception - an optimal signal-to-noise ratio is achieved at the amplifier output. In the transmission case is by the direct connection of the high-frequency device to the antenna structure (s) no matching element, but only one to the transformed to the contact points Fußpunktimpedanzen the antenna structure (s) matched amplifier output required. Thus, an optimum transmission power is available at the antennas.

Für den elektrischen Anschluß des Hochfrequenzgerätes an die Kontaktstellen der Antennenstruktur(en) besteht eine besonders einfache und kostengünstig herstellbare Ausführung in der direkten Verbindung der Geräteanschlüsse mit den Kontaktstellen. Der Sockel muß dabei keinerlei Kontakt- sondern lediglich Haltevorrichtungen aufweisen und ist dadurch äußerst kostengünstig als einfaches Spritzgußteil herstellbar.For the electrical connection of the high-frequency device to the contact points of the antenna structure (s) there is a particularly simple and inexpensive to manufacture in the direct connection of the device connections with the contact points. The base must have no contact but only holding devices and is therefore extremely inexpensive to produce as a simple injection-molded part.

In den Unteransprüchen sind vorteilhafte Ausführungen und Ausgestaltungen der Fahrzeug-Antenneneinrichtung gemäß Anspruch 1 angegeben.In the dependent claims advantageous embodiments and refinements of the vehicle antenna device according to claim 1 are given.

Durch Zusammenfassung der Kontaktstellen mehrerer auf der Fahrzeugscheibe aufgedruckter Antennenstrukturen, beispielsweise fiir mehrere Frequenzbereiche und/oder fiir Diversity-Empfang, in einem flächenmäßig kleinen Anschlußfeld (Anspruch 2) sind die an sich schon geringen Silberdrucktoleranzen noch weiter vermindert. Vor allem aber sind die Kontaktstellen nicht wie beim Stand der Technik gemäß der DE 37 19 692 C2 um die gesamte Fahrzeugscheibe herum angeordnet, sondern mit erheblich geringerem Aufwand auf eine relativ kleine Fläche begrenzbar. Dadurch kann auch die Größe des Sockels und damit die Sichtbeeinträchtigung minimiert oder der Sockel in vorteilhafter Weise z.B. unter Verkleidungen des Fahrzeugs angeordnet werden.By summarizing the contact points of several imprinted on the vehicle windshield antenna structures, for example, for several frequency ranges and / or for diversity reception, in a small area connection panel (claim 2), the already low silver pressure tolerances are even further reduced. Above all, the contact points are not as in the prior art according to the DE 37 19 692 C2 arranged around the entire vehicle window around, but limited to a relatively small amount of space on a relatively small area. As a result, the size of the base and thus the visual impairment can be minimized or the base can be arranged in an advantageous manner, for example, under panels of the vehicle.

Dabei ist es besonders günstig, die Zuleitungen von den Fußpunkten der Antennenstrukturen zu den Kontaktstellen des Anschlußfeldes nach Anspruch 3 durch Koplanarleitungen zu realisieren, weil diese einfach herzustellen sind und gute elektrische Übertragungsdaten aufweisen. Besonders kostengünstig und präzise ist ihre Herstellung zusammen mit dem Silberdruck der Antennenstrukturen (Anspruch 5).
Dies gilt auch für gemäß Anspruch 4 vorgesehene Markierungen, die eine schnelle und genau positionierte Anbringung des Sockels auf der Fahrzeugscheibe ermöglichen, die wiederum eine exakte Zuordnung der Kontakte des Hochfrequenzgerätes zu den Kontaktstellen und damit eine sichere Kontaktierung gewahrleistetIt is particularly advantageous to realize the leads from the bases of the antenna structures to the contact points of the pad according to claim 3 by coplanar lines, because they are easy to manufacture and have good electrical transmission data. Particularly cost-effective and precise is their production together with the silver print of the antenna structures (claim 5).
This also applies to provided in accordance with claim 4 markings that allow fast and accurately positioned attachment of the base on the vehicle window, which in turn ensures an exact assignment of the contacts of the high frequency device to the contact points and thus secure contact

Für die Halterung des Hochfrequenzgerates im Sockel ist eine Reihe von technischen Lösungen möglich. Eine in Aufbau und Herstellung unkomplizierte Ausführung ist in Anspruch 6 angegeben.For the mounting of the high frequency device in the base a number of technical solutions is possible. An uncomplicated in construction and manufacturing execution is specified in claim 6.

Dabei wird das Hochfrequenzgerät soweit in den Sockel eingeschoben, bis die nach außen abragenden Nasen des Hochfrequenzgerätes vollständig unter die Vorsprünge des Sockel-Rahmens eingeführt sind.In this case, the high-frequency device is pushed into the socket until the outwardly projecting lugs of the high-frequency device are completely inserted under the projections of the base frame.

Vorteilhafterweise sind die Vorsprünge und Nasen gemäß Anspruch 7 an drei korrespondierenden Seiten des Sockels bzw. des Hochfrequenzgerätes angeordnet, so daß sich das Hochfrequenzgerät - insbesondere wenn die Vorsprünge an jeder Rahmenseite durchgehend ausgebildet sind - wie in eine Art Tasche des Sockels einschieben läßt.
Dazu ist allerdings auf der Einführungsseite ein ausreichender Platzbedarf in der Größenordnung des Einschubweges erforderlich. Bei einer bevorzugten Montage des Sockels im Randbereich der Fahrzeugscheibe steht jedoch in aller Regel ein derartiger Platzbedarf nicht zur Verfügung. Für diesen Fall ist es günstiger, daß die Vorsprünge an den Seiten und - zur Materialersparnis auch an der der Einführungsseite gegenüberliegenden Seite - unterbrochen sind oder anders ausgedrückt, daß an jeder der drei Seiten mehrere Vorsprünge vorgesehen sind. Das Hochfrequenzgerät wird bei dieser vorteilhaften Ausgestaltung zunächst senkrecht zur Fläche des Sockels in diesen eingerührt, wobei die seitlichen Nasen des Hochfrequenzgerätes zwischen den seitlichen Vorsprüngen des Sockels hindurch gleiten, und anschließend senkrecht dazu bis zum Anschlag in den Sockel eingeschoben, wobei alle Nasen unter den zugehörigen Vorsprüngen liegen.
Beim ersten Montageschritt ragt das Hochfrequenzgerät lediglich um etwa die Tiefe der Vorsprünge über die Einführungsseite hinaus, so daß sich diese Ausführung aufgrund des geringeren Platzbedarfs besonders für die Montage an Scheibenrändern eignet.Advantageously, the projections and lugs are arranged according to claim 7 on three corresponding sides of the base or the high-frequency device, so that the high-frequency device - especially if the projections on each frame side are formed continuously - can be inserted as in a kind of pocket of the base.
For this purpose, however, a sufficient space in the order of the insertion path is required on the introduction page. In a preferred mounting of the base in the edge region of the vehicle window, however, such a space requirement is usually not available. In this case, it is better that the projections on the sides and - to save material also on the insertion side opposite side - are interrupted or in other words that a plurality of projections are provided on each of the three sides. The high-frequency device is first stirred in this advantageous embodiment, perpendicular to the surface of the base in this, the lateral lugs of the high-frequency device between the lateral projections of the base slide through, and then inserted vertically thereto until it stops in the base, with all lugs under the associated Protrusions lie.
In the first assembly step, the high-frequency device protrudes only by about the depth of the projections on the introduction side, so that this version is particularly suitable for mounting on disc edges due to the smaller footprint.

Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vorgesehen das Hochfrequenzgerät mittels einer lösbaren Rasthalterung rüttelsicher im montierten Zustand zu halten (Anspruch 8). Besonders einfach und kostengünstig sowohl hinsichtlich der Herstellung als auch der Bedienung ist eine Ausbildung dieser Rasteinrichtung gemäß Anspruch 9. Die Rastzungen mit den Rastnocken sind ohne Mehrkosten z.B. im Spritzgußverfahren mit dem Sockel zusammen herstellbar.
Die Rastnocken werden beim Einführen des Hochfrequenzgeräts in den Sockel heruntergedrückt und schnappen bei vollständig eingeschobenem Hochfrequenzgerät aufgrund der Federwirkung der Rastzungen wieder in ihre Ausgangslage, wobei sie das Gehäuse des Hochfrequenzgerätes hintergreifen. Zum Ausbau des Hochfrequenzgerätes ist dieses andererseits nach Herunterdrücken der Rastnocken ohne weiteres aus dem Sockel herausziehbar.According to a further advantageous embodiment of the invention, it is provided the high-frequency device by means of a releasable latching holder vibration-proof to keep in the assembled state (claim 8). Particularly simple and inexpensive both in terms of production and operation is a design of this locking device according to claim 9. The locking tongues with the locking cams are produced together with the base without additional costs, for example by injection molding.
The locking cams are depressed when inserting the high-frequency device in the socket and snap at fully inserted high-frequency device due to the spring action of the locking tongues back to their original position, they engage behind the housing of the high-frequency device. To remove the high-frequency device this is on the other hand after depressing the locking cams easily pulled out of the base.

Das Einschieben des Hochfrequenzgeräts in den Sockel wird erheblich erleichtert durch gemäß Anspruch 10 vorgesehene Gleitschrägen an den einander zugewandten Stirnflächen korrespondierenden Nasen und Vorsprünge. In vielen Fällen genügt es, entweder nur die Vorsprünge oder nur die Nasen anzuschrägen. Bei Herstellung des Sockels und des Gehäuses des Hochfrequenzgerätes beispielsweise im Spritzgußverfahren können jedoch die Nasen und Vorsprünge ohne Mehrkosten mit korrespondierenden Profilen gefertigt werden.The insertion of the high-frequency device in the base is greatly facilitated by provided in accordance with claim 10 sliding bevels on the mutually facing end faces corresponding lugs and projections. In many cases, it is sufficient to skew either only the projections or only the noses. In the production of the base and the housing of the high-frequency device, for example by injection molding, however, the lugs and projections can be manufactured at no extra cost with corresponding profiles.

Die lösbare elektrische Verbindung der Anschlüsse der Hochfrequenzgeräte mit den zugehörigen Kontaktstellen der Antennenstrukturen auf der Fahrzeugscheibe erfolgt bei einer besonders vorteilhaften Ausführung der erfindungsgemäßen Fahrzeug-Antenneneinrichtung gemäß Anspruch 11 durch am Hochfrequenzgerät angebrachte Kontaktfedern. Diese gewährleisten nicht nur einen dauerhaft sicheren Kontakt, der bei Bedarf ohne jeden Aufwand lösbar ist, sondern drücken zugleich ihre Nasen durch ihre Federkraft an die Unterseite der Vorsprünge, welche die Federkraft aufnehmen. Durch geeignete Formgebung und Wahl des Materials der Kontaktfedern ist sonach auf einfachste Weise sowohl ein ausreichender Kontaktdruck und damit eine rüttelsichere Kontaktierung als auch die Vermeidung von Klappergeräuschen erreicht.The detachable electrical connection of the terminals of the high-frequency devices with the associated contact points of the antenna structures on the vehicle window is carried out in a particularly advantageous embodiment of the vehicle antenna device according to the invention by claim 11 attached to the high-frequency device contact springs. These not only ensure a permanently secure contact, which can be solved if necessary without any effort, but at the same time press their noses by their spring force to the underside of the projections which absorb the spring force. By suitable shaping and choice of the material of the contact springs is thus achieved in the simplest way, both a sufficient contact pressure and thus a vibration-proof contacting and the prevention of rattling noises.

Eine weitere Möglichkeit, den Kontaktdruck der Kontaktfedern auf die Kontaktstellen ohne Mehraufwand zu erhöhen, ist in Anspruch 12 angegeben. Sie erfolgt dadurch, daß die Nasen und damit die am Hochfrequenzgerät angebrachten Kontaktfedern durch die zweite Gleitschräge bei vollständig in den Sockel eingeschobenem Hochfrequenzgerät noch weiter zur Fahrzeugscheibe hingedrückt werden. Grundsätzlich können die Kontaktfedern an beliebigen Stellen der den Sockel zugewandten Fläche des Hochfrequenzgerätes angebracht sein, sie müssen lediglich exakt den korrespondierenden Kontaktstellen der Antennenstrukturen gegenüberliegen. Eine besonders einfache und damit genaue Positionierung ist jedoch dann erreichbar, wenn die Kontaktfedern in einer Linie ausgerichtet, beispielsweise zwischen den Vorsprüngen auf der breiten Seite (Kontaktseite) des Sockels angeordnet sind.Another way to increase the contact pressure of the contact springs on the contact points without additional effort is specified in claim 12. It is characterized in that the lugs and thus attached to the high frequency device contact springs are pushed even further to the vehicle window by the second sliding bevel at fully inserted into the socket high frequency device. In principle, the contact springs can be mounted at arbitrary locations on the surface of the high-frequency device facing the base; they merely have to lie exactly opposite the corresponding contact points of the antenna structures. However, a particularly simple and therefore accurate positioning can be achieved if the contact springs are aligned in a line, for example between the projections on the broad side (contact side) of the base.

Eine gewölbte Ausbildung der Kontaktfedern in ihrer Längsrichtung, also der Einschubrichtung, nach Anspruch 13 bewirkt in vorteilhafter Weise nicht nur einen punktförmigen und damit definierten Kontakt mit hohem Kontaktdruck, sondern auch ein schonendes Aufgleiten auf den Silberdruck der Kontaktstellen, der dadurch auch bei mehrfachem Herausziehen und Einschieben eines Hochfrequenzgerätes in den bzw. aus dem Sockel vor Beschädigungen sicher ist. Sollte bei alternativen Einrichtungen neben einer Verschiebung des Hochfreuenzgerätes und damit der Kontaktfedem in deren Längsrichtung auch in ihrer Querrichtung erfolgen, so ist auch eine konvexe Wölbung in dieser Querrichtung vorteilhaft.An arched formation of the contact springs in their longitudinal direction, ie the insertion direction, according to claim 13 causes advantageously not only a punctiform and thus defined contact with high contact pressure, but also a gentle sliding on the silver pressure of the contact points, thereby characterized even with multiple withdrawal and Inserting a high-frequency device in or out of the socket is safe from damage. Should take place in alternative devices in addition to a displacement of the Hochfreuenzgerätes and thus the Kontaktfedem in the longitudinal direction and in its transverse direction, as well as a convex curvature in this transverse direction is advantageous.

Die Kontaktfedern könnten aus leitfähigem Kunststoff in der Form von Kunststoffpads (wegen deren geringer Länge ist der elektrische Widerstand noch ausreichend gering) oder aus metallbeschichtetem Kunststoff bestehen. Metallfedern gemäß Anspruch 14 haben demgegenüber den Vorteil höherer Stabilität bzw. Bruchsicherheit, größerer möglicher Kontaktdrücke und besserer Leitfähigkeit. Außerdem sind sie in beliebiger Form einfacher und kostengünstiger als Stanzbiegeteile herstellbar.The contact springs could be made of conductive plastic in the form of plastic pads (because of their small length, the electrical resistance is still sufficiently low) or made of metal-coated plastic. Metal springs according to claim 14, in contrast, have the advantage of higher stability or resistance to breakage, greater possible contact pressures and better conductivity. In addition, they are in any form easier and less expensive to produce as stamped and bent parts.

Eine Ausführungsform der Kontaktfeder nach Anspruch 15 stellt eine besonders für den elektrischen Anschluß an Schaltungsplatinen und die Halterung in eingegossenen Platinen geeignete Realisierung dar.An embodiment of the contact spring according to claim 15 is a particularly suitable for the electrical connection to circuit boards and the holder in cast-in boards suitable implementation.

Dabei zeichnet sich eine Ausbildung gemäß Anspruch 16 durch eine hohe mechanische Stabilität und eine große Lötfläche fiir einfache und sichere Kontaktierung auf der Schaltungsplatine aus.In this case, an embodiment according to claim 16 characterized by a high mechanical stability and a large soldering surface for easy and secure contact on the circuit board.

Zur exakten Positionierung des ebenen Federarms auf der Platine fiir den Löt- und ggf. den Eingieß- bzw. Umspritzvorgang ist es besonders vorteilhaft, das freie Ende des ebenen Schenkels nach Anspruch 17 mit einem abgebogenen Fortsatz zu versehen, der zur Montage in eine zugeordnete Ausnehmung der Schaltungsplatine eingesteckt wird.For the exact positioning of the flat spring arm on the board for the soldering and possibly the pouring or encapsulation process, it is particularly advantageous to provide the free end of the flat leg according to claim 17 with a bent extension, for mounting in an associated recess the circuit board is inserted.

Als Schutz gegen mechanische Beschädigungen und Witterungseinflüsse ist es vorteilhaft, das Hochfrequenzgerät mit einem Gehäuse zu versehen (Anspruch 18). Zur sicheren Vermeidung von Kurzschlüssen besteht dieses aus Isoliermaterial. Besonders kostengünstig ist die Herstellung, wenn das Gehäuse gemäß Anspruch 19 aus Umspritz- bzw. Vergußmaterial besteht, da dieses nicht nur auf einfache Weise in allen möglichen Formen, z.B. ohne Mehrkosten mit Haltenasen, herstellbar ist, keine besonderen Haltemittel für eingespritzte Teile wie z.B. die Kontaktfedern benötigt und nicht zuletzt besonders flach herstellbar ist, wodurch eine versteckte Montage unter Formteilen des Fahrzeugs wie dem Himmel, der Hutablage oder der C-Säulen-Verkleidung möglich ist.As protection against mechanical damage and weathering, it is advantageous to provide the high-frequency device with a housing (claim 18). For safe avoidance of short circuits, this consists of insulating material. Particularly cost is the production, if the housing according to claim 19 consists of encapsulation or potting material, since this not only in a simple manner in all possible forms, e.g. Without additional costs with retaining lugs, can be produced, no special holding means for injected parts such. the contact springs needed and not least is particularly flat to produce, creating a hidden mounting under moldings of the vehicle such as the sky, the parcel shelf or the C-pillar trim is possible.

Ein weiterer Vorteil eines Kunststoff-Gußgehäuses besteht darin, daß praktisch ohne Mehrkosten in der Fertigung zusätzliche Vorrichtungen, beispielsweise Halte- oder Führungseinrichtungen, etwa eingeformte Kabelaufnahmen fiir Zuleitungen weiterer Antennen (z.B. Mobilfunk- oder GPS-Navigationsantennen), integrierbar sind. Damit entfällt die Notwendigkeit zusätzlicher Elemente für Führungs- und Haltefunktionen.Another advantage of a plastic molded case is that additional devices, such as holding or guiding means, such as molded cable receptacles, can be integrated into the leads of other antennas (e.g., cellular or GPS navigational antennas) at virtually no extra cost in manufacturing. This eliminates the need for additional elements for guiding and holding functions.

Das Hochfrequenzgerät ist hinsichtlich seiner Abmessungen nicht an die Größe des Sockels gebunden. Es kann vielmehr mit Teilen, welche keine Kontakte aufweisen, ohne weiteres auch über den Sockel hinausragen, sofern die Haltekraft der die Vorsprünge des Sockels hintergreifenden Nasen ausreicht.The high frequency device is in terms of its Dimensions are not tied to the size of the socket. Rather, it can easily protrude beyond the base with parts which have no contacts, provided that the holding force of the projections of the base engaging behind lugs is sufficient.

Ist dies nicht der Fall, z.B. wenn eine besonders hohe Rüttelsicherheit gefordert wird, so ist eine Erweiterung des Sockels über seinen dem Anschlußfeld der Antennenstrukturen zugeordneten Anschlußbereich hinaus gemäß Anspruch 21 von Vorteil. Dabei sind die seitlichen Vorsprünge zweckmäßigerweise als voneinander beabstandete Einzelvorsprünge ausgebildet, zwischen denen die seitlichen Nasen des erweiterten Teils des Hochfrequenzgerätes eingeführt werden, an der dritten Seite kann dagegen auch ein durchgehender Vorsprung vorgesehen sein.
Der gesamte Sockel kann mehrteilig (aber einstückig) aufgebaut sein, mit dem Vorteil, daß lediglich ein Sockel fiir unterschiedliche Gerätegrößen erforderlich ist. Die Fahrzeug-Antenneneinrichtung ist damit kostengünstig und vielseitig. Vor allem aber erfordern Gerätevarianten (z.B. ein- oder mehrstufige Verstärker und passive Schaltungen wie Filter, Anpassungsschaltungen oder Fernspeiseeinrichtungen) durch diese Sockelausführung keine Scheibenvarianten.If this is not the case, for example, if a particularly high vibration safety is required, then an extension of the base over its the connection field of the antenna structures associated terminal area according to claim 21 is advantageous. The lateral projections are expediently designed as spaced-apart individual projections, between which the lateral lugs of the extended part of the high frequency device are introduced, on the other hand, a continuous projection may be provided on the other hand.
The entire base can be constructed in several parts (but in one piece), with the advantage that only one base is required for different device sizes. The vehicle antenna device is thus inexpensive and versatile. Above all, however, device variants (eg single-stage or multistage amplifiers and passive circuits such as filters, matching circuits or remote feed devices) do not require disc variants due to this base design.

Die in Anspruch 22 vorgesehene Befestigung des Sockels auf der Fahrzeugscheibe ist dauerhaft sicher, schnell exakt und mit erheblich geringerem Aufwand ausführbar als Lötverbindungen.The proposed in claim 22 attachment of the base on the vehicle window is permanently safe, fast and exactly executable with considerably less effort than solder joints.

Auch relativ komplizierte Hochfrequenzgeräte sind heute bereits mit verhältnismäßig kleinen Abmessungen herstellbar. Trotzdem ist es im Interesse einer größtmöglichen Fahrsicherheit von Vorteil, den Sockel gemäß Anspruch 23 möglichst am Scheibenrand zu positionieren und, wenn irgendwie möglich, wie bereits erwähnt unter Formteilen des Fahrzeugs oder nach Anspruch 24 unter von Schwarzdruck abgedeckten Scheibenflächen anzuordnen.Even relatively complicated high-frequency devices can already be produced today with relatively small dimensions. Nevertheless, it is in the interest of the greatest possible driving safety advantage to position the base according to claim 23 as possible on the disc edge and, if possible, as already mentioned under moldings of the vehicle or according to claim 24 to be arranged under black print covered disc surfaces.

Die Erfindung wird nachstehend noch anhand eines Ausführungsbeispieles einer erfindungsgemäßen Fahrzeug-Empfangsantenneneinrichtung mit erweitertem Sockel und einem Verstärker in den Figuren näher erlautert. Es zeigen:

Fig. 1 -
eine perspektivische Ansicht einer erfindungsgemäßen Fahrzeug-Antenneneinrichtung auf einer Fahrzeugscheibe mit noch nicht im Sockel montiertem Verstärker und zwei Ausschnitten in vergrößertem Maßstab, wobei der Sockelausschnitt in einem Teilbereich nochmals vergrößert ist,
Fig. 2a -
eine Draufsicht auf den Anschluß- und einen angrenzenden Erweiterungsbereich des Sockels,
Fig. 2b -
eine Draufsicht auf diesen Sockelteil und
Fig. 2c -
einen Schnitt durch den Sockel auf Höhe der kontaktseitigen seitlichen Vorsprünge mit stirnseitiger Ansicht des Verstärkers,
Fig. 3a -
einen Schnitt durch den Verstärker in Einschubrichtung auf Höhe eines kontakseitigen Vorsprungs in vergrößertem Maßstab
Fig. 3b -
einen Schnitt durch den Verstärker in Einschubrichtung auf Höhe einer Kontaktfeder,
Fig. 4a -
eine Draufsicht auf eine Kontaktfeder von der Kontaktseite her in vergrößertem Maßstab und
Fig. 4b -
eine seitliche Ansicht der Kontaktfeder.
The invention will be explained in more detail below with reference to an embodiment of a vehicle receiving antenna device according to the invention with an extended socket and an amplifier in the figures. Show it:
Fig. 1 -
a perspective view of a vehicle antenna device according to the invention on a vehicle window with not yet mounted in the base amplifier and two sections on an enlarged scale, the base section is enlarged in a partial area again,
Fig. 2a -
a plan view of the terminal and an adjacent extension region of the base,
Fig. 2b -
a plan view of this base part and
Fig. 2c -
a section through the base at the level of the contact-side lateral projections with frontal view of the amplifier,
Fig. 3a -
a section through the amplifier in the insertion direction at the level of a contact-side projection on an enlarged scale
Fig. 3b -
a section through the amplifier in the insertion direction at the height of a contact spring,
Fig. 4a -
a plan view of a contact spring from the contact side in an enlarged scale and
Fig. 4b -
a side view of the contact spring.

Die für den Empfang von Signalen in unterschiedlichen Frequenzbereichen vorgesehene Fahrzeug-Antenneneinrichtung besteht aus einem als Kunststoffspritzteil hergestellten Sockel 1, einem darin einsetzbaren Hochfrequenzverstärker 2 sowie einem flächenmäßig minimierten, im rechten oberen Eckbereich einer Fahrzeug-Heckscheibe 3 angeordneten Anschlußfeld 4, in dem die Fußpunkte mehrerer, hier nur als Kästchen prinzipiell dargestellter Antennenstrukturen 5-10 in flächigen Kontaktstellen 11 zur Kontaktierung mit zugeordneten Kontaktfedern 12 des Hochfrequenzverstärkers 2 zusammengeführt sind.
Die Verbindungsleitungen der Kontaktstellen 11 mit den Antennenfußpunkten sind je nach Länge als einfache Leitungsbahnen 13-16 oder Koplanarleitungen 17, 18 ausgebildet und kostensparend zusammen mit den Antennenstrukturen 5-10 sowie den Kontaktstellen 11 in Silberdruck auf die Fahrzeugscheibe 3 aufgebracht. Durch die Zusammenführung aller Antennenanschlüsse ist in vorteilhafter Weise nur ein Verstärker erforderlich, der überdies an einer nicht störenden Stelle auf der Fahrzeugscheibe 3 angeordnet sein kann.The provided for the reception of signals in different frequency ranges vehicle antenna device consists of a molded plastic injection molded base 1, a high-frequency amplifier used therein 2 and a minimized area, arranged in the upper right corner of a vehicle rear window 3 pad 4, in which the bases of several , Here only as a box in principle illustrated antenna structures 5-10 are combined in area contact points 11 for contacting with associated contact springs 12 of the high-frequency amplifier 2.
Depending on their length, the connection lines of the contact points 11 with the antenna base points are designed as simple conductor tracks 13-16 or coplanar lines 17, 18 and applied to the vehicle window 3 in silver-print together with the antenna structures 5-10 and the contact points 11 in a cost-saving manner. By merging all the antenna connections, only one amplifier is required in an advantageous manner, which moreover can be arranged on a non-interfering point on the vehicle window 3.

Der Sockel 1 besteht aus einem rechteckigen Rahmen mit seitlichen Rahmenteilen 19, 20, 21 und 22 sowie einem einführungsseitigen und einem kontaktseitigen Rahmenteil 23 bzw. 24. Zwischen den seitlichen Rahmenteilen 19 und 20 befindet sich der Anschlußbereich 25 fiir den Hochfrequenzverstärker 2, zwischen den seitlichen Rahmenteilen 20 und 21 bzw. 21 und 22 jeweils ein Erweiterungsabschnitt 26 bzw. 27. Die seitlichen Rahmenteile 19-22 weisen jeweils zwei nach innen vorragende Haltevorsprünge 28 auf, das kontaktseitige Rahmenteil 24 weist im Anschlußbereich 7 Haltevorsprünge 29 und in den Erweiterungsabschnitten 26, 27 je einen durchgehenden Haltevorsprung 30, 31 auf. Alle Haltevorsprünge 28 bis 31 sind vom Sockelboden beabstandet.
Am einführungsseitigen Rahmenteil 23 sind federnde Rastzungen 32 angeformt, welche in Rastnocken 33 zur Halterung des montierten Hochfrequenzverstärkers 2 enden.The base 1 consists of a rectangular frame with side frame members 19, 20, 21 and 22 and an insertion side and a contact-side frame member 23 and 24. Between the side frame members 19 and 20 is the connection portion 25 for the high-frequency amplifier 2, between the lateral Frame parts 20 and 21 or 21 and 22 respectively an extension portion 26 and 27. The side frame members 19-22 each have two inwardly projecting retaining projections 28, the contact-side frame member 24 has in the connection region 7 retaining projections 29 and in the extension sections 26, 27th depending on a continuous retaining projection 30, 31. All retaining projections 28 to 31 are spaced from the base bottom.
On the introduction-side frame part 23 resilient latching tongues 32 are formed, which end in latching cams 33 for mounting the assembled high-frequency amplifier 2.

Der Hochfrequenzverstärker 2 besteht aus einer die elektrischen Schaltungsbauteile tragenden Schaltungsplatine 34, die in ein Spritzgußgehäuse 35 eingebettet ist, das passend fiir den Einbau in den Sockel 1 ausgebildet und bemessen ist. Es weist an den beiden Schmalseiten je zwei Nasen 36 und an der Kontaktseite im Anschlußbereich 25 Nasen 37 auf, die mit den Vorsprüngen 29 des Rahmenteils 24 des Sockels 1 korrespondieren.
An der kontaktseitigen Stirnfläche des außerhalb des Anschlußbereichs 25 liegenden Abschnitts des Gehäuses 35 sind zwei mit den Vorsprüngen 30, 31 der Erweiterungsabschnitte 26, 27 des Sockels 1 zusammenwirkende durchgehende Nasen 38, 39 angeformt.The high-frequency amplifier 2 consists of a circuit board carrying the electrical circuit components 34, which is embedded in an injection molded housing 35 which is suitably designed and dimensioned for installation in the base 1. It has on the two narrow sides two lugs 36 and on the contact side in the connection area 25 lugs 37, with correspond to the projections 29 of the frame part 24 of the base 1.
At the contact-side end face of the lying outside the terminal portion 25 portion of the housing 35 has two with the projections 30, 31 of the extension sections 26, 27 of the base 1 cooperating through lugs 38, 39 are integrally formed.

Zwischen den Nasen 37 im Anschlußbereich 25 sind die Kontaktfedern 12 angeordnet, die mit einem ebenen Teil 40 auf der Schaltungsplatine 34 aufliegen, dort mit entsprechenden Anschlußpunkten verlötet sind und zur mechanischen Fixierung mit einem am Ende abgewinkelten Fortsatz 41 in eine Ausnehmung 42 der Schaltungsplatine 34 eingreifen. Nach dem Vergießen sind die Kontaktfedern 12 im Gehäuse 35 sicher und ausreichend stabil angebracht, um den Federdruck bei erfolgter Kontaktierung aufnehmen zu können. Der nach unten aus dem Gehäuse 35 herausragende zurückgebogene Federteil 43 ist als Kontaktschenkel in Längsrichtung konvex gewölbt. Zur Erhöhung der Stabilität der Kontaktfedern ist der ebene Federteil 40 breiter ausgeführt als der gewölbte Kontaktschenkel 43.Between the lugs 37 in the connection region 25, the contact springs 12 are arranged, which rest with a flat portion 40 on the circuit board 34, where they are soldered to corresponding connection points and engage for mechanical fixation with an angled end projection 41 in a recess 42 of the circuit board 34 , After casting, the contact springs 12 are securely and sufficiently stably mounted in the housing 35 to accommodate the spring pressure upon contact can. The bent down from the housing 35 bent-back spring member 43 is curved convexly as a contact leg in the longitudinal direction. To increase the stability of the contact springs of the flat spring member 40 is made wider than the curved contact legs 43rd

Die Montage der Fahrzeugantenneneinrichtung ist äußerst einfach:
Zunächst wird der Sockel 1 anhand von Markierungen 44, die ebenfalls als Silberdruck bereits mit den Antennenstrukturen 5-10 sowie den Kontaktstellen 11 und den Verbindungsleitungen 13-18 auf der Fahrzeugscheibe 3 aufgebracht sind, so positionsgenau über dem Anschlußfeld 4 der Kontaktstellen auf der Fahrzeugscheibe 3 aufgeklebt, daß bei montiertem Hochfrequenzverstärker die Kontaktfedern 12 exakt auf den zugehörigen Kontaktstellen 11 aufliegen.The mounting of the vehicle antenna device is extremely simple:
First, the base 1 is based on markings 44, which are also applied as silver print already with the antenna structures 5-10 and the contact points 11 and the connecting lines 13-18 on the vehicle window 3, so positionally accurate on the pad 4 of the contact points on the vehicle window. 3 glued that when mounted radio frequency amplifier, the contact springs 12 rest exactly on the associated contact points 11.

Nach erfolgter Klebung wird der Hochfrequenzverstärker 2 mit seitlichen Nasen 36 in die Zwischenräume zwischen den seitlichen Vorsprüngen 28 des Sockels 1 in diesen senkrecht zur Scheibenebene eingeführt, wobei die Rastnasen 33 durch den Gehäuseboden so zur Fahrzeugscheibe 3 hingedrückt werden, daß anschließend der Hochfrequenzverstärker 2 bis zum Anschlag in Richtung zum kontaktseitigen Rahmenteil 24 hin eingeschoben werden kann.
Dabei gleiten die Nasen 36-39 des Verstärkergehäuses 35 unter die korrespondierenden Vorsprünge 28-31 des Sockels 1 und bei vollständig eingeschobenem Hochfrequenzverstärker schnappen die Rastnocken 33 nach oben und hintergreifen das Verstärkergehäuse 35.
In dieser montierten Lage ist der Hochfrequenzverstärker 2 somit nach allen Seiten hin im Sockel gehalten.
Die Nasen 36 bis 39 weisen an ihren den Vorsprüngen 28 bis 31 zugewandten Stirnseiten Gleitschrägen 45 auf, die das Einschieben des Verstärkergehäuses 35 in den Sockel 1 erleichtern.After bonding, the high-frequency amplifier 2 is introduced with lateral lugs 36 in the spaces between the lateral projections 28 of the base 1 in this perpendicular to the disk plane, wherein the locking lugs 33 are pushed through the housing bottom to the vehicle window 3, that then the high-frequency amplifier 2 to Stop in the direction of the contact-side frame member 24 can be inserted through.
In this case, the lugs 36-39 of the booster housing 35 slide under the corresponding projections 28-31 of the base 1 and fully inserted high-frequency amplifier snap the locking cam 33 upwards and engage behind the booster housing 35th
In this mounted position of the high frequency amplifier 2 is thus held in all directions in the socket.
The lugs 36 to 39 have at their the protrusions 28 to 31 facing end faces sliding bevels 45, which facilitate the insertion of the booster housing 35 in the base 1.

Beim Einführen des Hochfrequenzverstärkers 2 in den Sockel 1 werden die Kontaktfedern 12 senkrecht zur Scheibenebene zusammengedrückt, so daß ihre gewölbten Kontaktschenkel 43 nach dem Aufgleiten auf die Kontaktstellen 11 beim anschließenden Einschieben des Verstärkergehäuses 35 unter Federdruck an den Kontaktstellen anliegen und einen sicheren Kontakt herstellen. Zugleich werden durch den Druck der Kontaktfedern 12 die einander gegenüberliegenden Flächen der zusammengehörenden Vorsprünge 28-31 und Nasen 36-39 gegeneinander gepreßt, wodurch sich auch die Haltewirkung erhöht.
Diese Wirkung wird noch verstärkt durch eine weitere Schräge 46 der Nasen 36-39, welche das vollständig in den Sockel 1 eingeführte Verstärkergehäuse 35 noch weiter in Richtung zur Fahrzeugscheibe 3 hin drücken.
Die Unterseite der Vorsprünge 28-31 ist der beschriebenen Kontur der Nasen 37-39 mit zwei Schrägen 45 und 46 angepaßt.When inserting the high frequency amplifier 2 in the base 1, the contact springs 12 are compressed perpendicular to the disk plane, so that their curved contact legs 43 rest after sliding onto the contact points 11 during subsequent insertion of the booster housing 35 under spring pressure at the contact points and establish a secure contact. At the same time by the pressure of the contact springs 12, the opposing surfaces of the mating projections 28-31 and lugs 36-39 pressed against each other, which also increases the holding effect.
This effect is further enhanced by a further bevel 46 of the lugs 36-39, which press the fully inserted into the base 1 amplifier housing 35 even further towards the vehicle window 3 back.
The underside of the projections 28-31 is the described contour of the lugs 37-39 with two slopes 45 and 46 adapted.

Das Verstärkergehäuse 35 weist eine bei der Spritzgußfertigung im gleichen Arbeitsgang hergestellte Führungs- und Haltenut 47 zur Aufnahme eines Kabels 48, das von einer nicht zur Fahrzeug-Antenneneinrichtung gehörenden weiteren, nicht dargestellten Antenne, z.B. einer GPS-Antenne, kommt und zu einem Navigationsgerät weitergeleitet ist.
Die zu nicht dargestellten Empfängern, z.B. für Rundfunk-Empfang und eine Fernsteuerverriegelung, führenden, im Verstärkergehäuse 35 miteingegossenen Ausgangsleitungen des Hochfrequenzverstarkers 2 sind hier als Flachbandleitungen 49, 50 ausgeführt.The booster housing 35 has a guide and retaining groove 47 produced during injection molding in the same operation for receiving a cable 48, which comes from a not belonging to the vehicle antenna device further, not shown antenna, such as a GPS antenna, and forwarded to a navigation device is.
The not shown receivers, eg for radio reception and a remote control lock, leading, miteingegossenen in the amplifier housing 35 output lines of the Hochfrequenzverstarkers 2 are here designed as ribbon cables 49, 50.

Insgesamt ist mit dem beschriebenen Aufbau eine erfindungsgemäße Fahrzeug-Antenneneinrichtung geschaffen, bei der das Hochfrequenzgerät 2 auf unkomplizierte und kostengünstige Art ohne Lötung ruttelsicher aber doch lösbar auf der Scheibe angebracht ist, eine Reparatur oder der Einsatz eines anderen Hochfrequenzgerätes keinen Scheibenwechsel bedingt, der Verstarker sehr flach und damit für die Montage unter Formteilen des Fahrzeugs geeignet ist, lediglich ein Hochfrequenzgerät für eine ganze Anzahl Antennenstrukturen erforderlich ist und dabei zugleich minimale Toleranzen auszugleichen sind und durch den direkten Anschluß des Hochfrequenzverstärkers an die Antennenstrukturen optimale elektrische Übertragungsdaten erreicht sind.Overall, a vehicle antenna device according to the invention is created with the described structure, in which the high-frequency device 2 in a simple and cost-effective manner without soldering ruttelsicher but removably mounted on the disc repair, or the use of another high-frequency device requires no disc change, the amplifier very much flat and thus suitable for mounting under moldings of the vehicle, only a high-frequency device for a number of antenna structures is required and at the same time to compensate for minimal tolerances and optimal electrical transmission data are achieved by the direct connection of the high-frequency amplifier to the antenna structures.

Claims (24)

  1. Vehicle antenna device having at least one antenna structure (5 to 10) which is mounted on a vehicle windscreen (3) and whose base point/points form planar contact points (11) for electrical connection to a radio frequency device (2) which contains a circuit component, wherein a base (1) which comprises the contact points (11) of the at least one antenna structure (5 to 10), is attached to the vehicle windscreen (3), is composed of non-conductive material and has the purpose of releasably holding the radio frequency device (2) is provided, the terminals (12) of which base (1) are electrically connected in a releasable fashion to the associated contact points (11), characterized in that the terminals (12) of the radio frequency device (2) which is mounted in the base (1) are directly electrically connected in a releasable fashion to the associated contact points (11) of the at least one antenna structure (5 to 10).
  2. Vehicle antenna device according to Claim 1, having at least two antenna structures, characterized in that the antenna base points (11) are combined by means of feed lines (13-18) in a terminal panel (4) which is surrounded by the base (1) and is formed by the connecting points (11).
  3. Vehicle antenna device according to Claim 2, characterized in that feed lines (17, 18) are embodied as coplanar lines.
  4. Vehicle antenna device according to one of Claims 1 to 3, characterized in that marks (44) for the desired positioning of the base (1) are provided on the vehicle windscreen (3).
  5. Vehicle antenna device according to Claim 3 or 4, characterized in that the feed lines (13-18) and the marks (44) as well as power supply lines and earth lines which lead to the associated contacts of the radio frequency device (2) are embodied as silver printed areas which are printed onto the vehicle windscreen (3) at the same time as the silver printing of the antenna structures (5-10).
  6. Vehicle antenna device according to one of Claims 1 to 5, characterized in that the frame (19-22 and 24) of the base (1) has inwardly protruding projections (28-31), and the radio frequency device (2) has corresponding protrusions (36-39) which project outward and which are arranged and embodied in such way that when the radio frequency device (2) is mounted in the base (1) they engage behind the projections (18-31) in a securing fashion.
  7. Vehicle antenna device according to Claim 6, characterized in that the protrusions (36-39) and projections (28-31) are provided on three sides of the radio frequency device (2) and of the base (1).
  8. Vehicle antenna device according to Claims 1 to 7, characterized in that the radio frequency device (2) which is mounted in the base (1) is held by a releasable latching device (32, 33).
  9. Vehicle antenna device according to Claim 8, characterized in that the latching device is composed of sprung latching tongues (32) which are arranged on the frame of the base (1), are preferably integral therewith and bear with latching cams (33) on the rear wall of the housing (35) of the mounted radio frequency device (2).
  10. Vehicle antenna device according to one of Claims 6 to 9, characterized in that the end faces, facing one another in the base (1) when the radio frequency device (2) is mounted, of the protrusions (36-39) and/or of the projections (28-31) have sliding slopes (45).
  11. Vehicle antenna device according to one of Claims 1 to 10, characterized in that the radio frequency device (2) has sprung contact elements (12) which, when the radio frequency device (2) is mounted in the base (1), bear with pressure on the associated contact points (11) of the at least one antenna structure (5-10) .
  12. Vehicle antenna device according to one of Claims 6 to 11, characterized in that the protrusions (36-39) and/or the projections (28-31) have a further slope (46) toward the housing of the radio frequency device (2).
  13. Vehicle antenna device according to Claim 11 or 12, characterized in that at least the areas of the contact elements (12) which bear against the contact points (11) are curved convexly in their longitudinal direction.
  14. Vehicle antenna device according to one of Claims 11 to 13, characterized in that the contact elements (12) are metallic leaf springs.
  15. Vehicle antenna device according to Claim 14, characterized in that the leaf springs (12) are embodied in an approximate U shape, with a planar limb (40) which is mechanically attached, and electrically connected, in the radio frequency device (2), preferably on a circuit board (34) arranged therein, and a convexly curved limb (43) which, when the radio frequency device (2) is mounted, bears with pressure on the contact points (11) of the at least one antenna structure (5-10).
  16. Vehicle antenna device according to Claim 15, characterized in that the planar limb (40) is wider than the curved limb (43).
  17. Vehicle antenna device according to Claim 16, characterized in that the planar limb (40) has, at the free end, a continuation (41) which is bent towards the curved limb (43) and has the purpose of engaging in a cutout (42) in the circuit board (34).
  18. Vehicle antenna device according to one of Claims 1 to 17, characterized in that the radio frequency device (2) has a housing (35) made of insulating material.
  19. Vehicle antenna device according to one of Claims 1 to 18, characterized in that the housing (35) is formed from a plastic sealing compound.
  20. Vehicle antenna device according to Claim 18, characterized in that securing and/or guiding devices (47) and/or plug-in devices are integrated into the housing (35).
  21. Vehicle antenna device according to one of Claims 1 to 20, characterized in that the base (1) is widened beyond the connecting region by means of additional sections (26, 27) with projections (30, 31), behind which protrusions (38, 39) of further radio frequency housing parts (34) engage.
  22. Vehicle antenna device according to one of Claims 1 to 21, characterized in that the base (1) is bonded onto the vehicle windscreen (3).
  23. Vehicle antenna device according to one of Claims 1 to 22, characterized in that the base (1) is arranged on a point on the vehicle windscreen (3) which adversely affects the field of vision of the driver as little as possible.
  24. Vehicle antenna device according to one of Claims 1 to 23, characterized in that it is covered on the opposite side of the vehicle windscreen by black printing.
EP99915696A 1998-05-25 1999-03-23 Automobile antenna device Expired - Lifetime EP1080513B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19823202A DE19823202C2 (en) 1998-05-25 1998-05-25 Vehicle antenna device
DE19823202 1998-05-25
PCT/EP1999/001980 WO1999062136A1 (en) 1998-05-25 1999-03-23 Automobile antenna device

Publications (3)

Publication Number Publication Date
EP1080513A1 EP1080513A1 (en) 2001-03-07
EP1080513B1 EP1080513B1 (en) 2002-11-13
EP1080513B2 true EP1080513B2 (en) 2009-01-07

Family

ID=7868781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99915696A Expired - Lifetime EP1080513B2 (en) 1998-05-25 1999-03-23 Automobile antenna device

Country Status (7)

Country Link
US (1) US6411259B1 (en)
EP (1) EP1080513B2 (en)
JP (1) JP3408244B2 (en)
CZ (1) CZ295126B6 (en)
DE (2) DE19823202C2 (en)
ES (1) ES2186346T3 (en)
WO (1) WO1999062136A1 (en)

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Also Published As

Publication number Publication date
EP1080513A1 (en) 2001-03-07
CZ20002668A3 (en) 2000-12-13
JP3408244B2 (en) 2003-05-19
US6411259B1 (en) 2002-06-25
DE19823202C2 (en) 2003-05-28
ES2186346T3 (en) 2003-05-01
WO1999062136A1 (en) 1999-12-02
CZ295126B6 (en) 2005-05-18
DE19823202A1 (en) 1999-12-09
EP1080513B1 (en) 2002-11-13
DE59903407D1 (en) 2002-12-19
JP2002517114A (en) 2002-06-11

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