EP2850691A1 - Antenna module having a transmitting and receiving antenna element - Google Patents

Antenna module having a transmitting and receiving antenna element

Info

Publication number
EP2850691A1
EP2850691A1 EP13722459.8A EP13722459A EP2850691A1 EP 2850691 A1 EP2850691 A1 EP 2850691A1 EP 13722459 A EP13722459 A EP 13722459A EP 2850691 A1 EP2850691 A1 EP 2850691A1
Authority
EP
European Patent Office
Prior art keywords
antenna
box
module according
vehicle
antenna module
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.)
Granted
Application number
EP13722459.8A
Other languages
German (de)
French (fr)
Other versions
EP2850691B1 (en
Inventor
Guy-Aymar Chakam
Gerald Schillmeier
Frank Mierke
Gerhard Vogt
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.)
Kathrein SE
Continental Automotive GmbH
Original Assignee
Continental Automotive GmbH
Kathrein Werke KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive GmbH, Kathrein Werke KG filed Critical Continental Automotive GmbH
Publication of EP2850691A1 publication Critical patent/EP2850691A1/en
Application granted granted Critical
Publication of EP2850691B1 publication Critical patent/EP2850691B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
    • H01Q1/1214—Supports; Mounting means for fastening a rigid aerial element through a wall
    • 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
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk

Definitions

  • the invention relates to a one-piece antenna module with at least one transmitting and at least one receiving antenna element.
  • the antenna module has an outer cover for outside antenna elements.
  • An antenna box comprises electronic circuits which interact with the antenna elements.
  • the outer cover is detachably fixed on the antenna box.
  • the outer cover is protrusively attachable through an opening in a vehicle roof from the vehicle roof.
  • the document EP 1 903 632 Bl discloses an antenna module, in particular as a central transmitting and / or receiving module for a vehicle having a plurality of antennas and a plurality of transmitting and / or receiving devices.
  • the transmitting and / or receiving devices are integrated in the antenna module in the form of a central transceiver box.
  • the antenna module has an upper and a lower part, each having a plurality of antennas, which are separated by an area of the body of a vehicle.
  • the board for the upper area of the board for the lower area by means of connectors or spacers is discontinued.
  • the transceiver box is screwed onto an underside of the body part, wherein the body part outwardly has a large-area opening in which the upper part of the antenna module is arranged with the transmitting and receiving antennas for certain services.
  • This embodiment of an antenna module has the following disadvantages: 1. Two boards are used, creating the need for two-board high frequency connectivity connectors,
  • the object of the invention is to overcome the disadvantages of the prior art and to provide an antenna module for a vehicle, which is inexpensive and compact mountable as internals in the roof area of a vehicle and a complete shield between an upper outer antenna part and one on an inside of a Vehicle roof fixed transceiver part provides.
  • an antenna module that is in one piece has at least one outside receiving and / or transmitting antenna element under an outside cover.
  • the one-piece antenna module includes an antenna box having no or few inside internal antennas and including electronic circuitry that interacts with the antenna elements.
  • the outer cover is detachably fixed on the antenna box.
  • the outer cover is through a Opening in a vehicle roof from the vehicle roof outstanding attachable.
  • the antenna box is closed on all sides and can be attached below the vehicle roof with a metallic upper side.
  • the metallic closed top side of the antenna box has feedthroughs to the outside antenna elements. Via the bushings, the outside antenna elements in the outer cover are electrically coupled to the circuits within the antenna box closed on all sides.
  • This antenna module has the advantage that the antenna module is available in one piece for installation in a vehicle.
  • the one-piece antenna module has the advantage that the large-area opening in the antenna roof, which is adapted to the outer cover in order to protrude by simple means and compact the antenna elements through the opening in the vehicle roof to the outside, through the closed and electrically conductive metallic top side of the antenna box in conjunction with the vehicle roof forms a ground shield, which provides a clear separation between an outer area of the antenna module with the antenna radiators and an inner closed antenna box.
  • the shielding of the outer roof and the metallic upper side of the antenna box which is closed on all sides, ensures electromagnetic decoupling of the antenna elements and the antennas and circuits arranged in the closed antenna box. This achieves interference-free ground connection of the antenna module to the vehicle for the electronics and for the antennas.
  • To a roof compliant attachment or adaptation of the antenna box to the roof coupling elements are additionally used on the metallic top of the antenna box. These consist of compressible metallized foam material to compensate for the roof curvature.
  • the antenna module is a one-piece, easy to install antenna module, even if one area of the antenna module protrudes from the body and the vehicle roof and another area below Vehicle roof is mounted under contacting the same.
  • This is achieved by the universally closed antenna box with a metallically conductive top, on which there is an elevation with the lower cross-sectional shape of the outer cover, wherein the external antennas for the services with vehicle-external connections such as satellite services, telephone services, etc. are arranged.
  • the antenna box can be completely or partially made of plastic or metal. This depends on the services integrated in the antenna module. For example, while the top of the box is made of metal, the box's four side edges and the bottom of the box may be plastic. This is e.g. the case when services such as a passive start and entry system (PASE system) with an in-vehicle connection is needed.
  • PASE system passive start and entry system
  • the antenna box is completely made of metal to ensure secure shielding of an antenna board with transceivers, tuners or other electronic circuits
  • the antenna box is completely made of plastic, there are either no external antenna elements or the required electromagnetic separation is realized on both the motherboard and the top of the antenna box by compressible coupling elements of metallized foam material or plastic on the motherboard and on the top of the antenna box along the roof opening.
  • the outboard antenna elements for off-vehicle services located within the outer cover communicate with an antenna mainboard within the generally closed antenna box by looping the bases or infeed points of the off-board antenna elements through the metallic top of the antenna box to the antenna board and soldered to the antenna board.
  • Some antennas, such as the patch antenna for satellite communication, can rest on the metallic upper side of the antenna box closed on all sides.
  • the antenna feed points are routed through vias through the metallic top of the antenna box, forming a coaxial line as well as inside the box.
  • Such feedthroughs may e.g. be achieved by minimal recesses in the top of metal, which are filled with plastic.
  • the metallic upper side of the antenna box which is closed on all sides, forms a load-bearing element that can absorb all the mechanical forces that occur.
  • the top of the antenna box which is closed on all sides, can be a die-cast part or consist of a stamped sheet metal.
  • umbrella chambers which are used to protect the electrical tromagnetician circuit additionally be used and are soldered by means of pins on the antenna board within the closed antenna box. Such umbrella chambers can thus shield a portion of the respective circuit on the antenna board, in particular, when the lower portion, which is directed toward the vehicle interior, is made of plastic.
  • the antenna box can be compared with the chassis of today's antenna solutions mounted on the roof, however, in one embodiment of the invention this chassis is under the roof and the antenna board is mounted on the in-vehicle side of the chassis.
  • the antenna module Preferably, only a single antenna board is provided for the antenna module, whereupon the necessary receivers, transceivers and matching circuits are located and the antenna feed points are soldered.
  • the active antenna elements which project through the opening in the vehicle roof, can be formed as printed circuit board (PCB) antennas, for example from an FR4 board, and arranged vertically relative to the antenna board in the generally closed antenna box.
  • PCB printed circuit board
  • the antenna board is mounted within the generally closed antenna box on the inside of the metallic top of the box with or without spacers to ensure that the antenna feed points are as short as possible with respect to the outside antenna elements.
  • the antenna board is mounted within the generally closed antenna box on the inside of the metallic top of the box with or without spacers to ensure that the antenna feed points are as short as possible with respect to the outside antenna elements.
  • the outer cover forms a kind of protective hood for the antenna elements therein.
  • This outer cover may be a separate part that is clipped onto the top of the antenna box.
  • the antenna module is mounted on the vehicle roof from the inside of the vehicle in such a way that the antenna elements protrude through the opening in the roof and thus achieve their effect outside of the vehicle, as far as they are provided for vehicle-external connections.
  • the visible with the outer cover external part, which protrudes from the vehicle roof similar in shape to the usual Finns today.
  • the antenna box located inside the vehicle can have a rectangular, round or any other shape.
  • the antenna box is only positioned between the vehicle roof and a roof panel.
  • the antenna box which is closed on all sides, can additionally be bolted to the vehicle roof from the inside in order, inter alia, to encounter the mechanical forces which act on the connection sockets. intercept and transfer to the vehicle body.
  • a horizontal slot or a horizontal groove may be provided to move by a translational movement in the direction of travel or in the opposite direction to fix the antenna module to the vehicle roof.
  • the antenna module exclusively has a single external antenna for the services RKE (remote keyless entry), P ⁇ SE (passive start entry) and TPMS (tire pressure monitoring system). Furthermore, it is also possible to provide exclusively internal antennas for the abovementioned services, and to provide a combination of internal and external antennas, which are realized in such a way that the external part of the antenna is located in the region of the outer cover, ie under a protective cover, such as the outer cover. is and the internal part of the antenna is provided in the antenna box, which, however, only makes sense if a lower part of the antenna box is closed on all sides made of plastic.
  • RKE remote keyless entry
  • P ⁇ SE passive start entry
  • TPMS tire pressure monitoring system
  • the antenna box itself has an upper part and a lower part, wherein the upper part includes the metallic upper side and edge sides and partially overlaps with edge sides of the lower part, wherein the lower part can be constructed with its edge sides made of plastic.
  • the connection between lower part and upper part can be provided on the edge sides of snap hooks and snap tabs mechanically detachable.
  • the at least one antenna board has electronic printed circuits on its upper side, wherein the antenna board is fixed to the upper part of the antenna box via the above-mentioned spacers, and wherein the printed circuit boards of the board upper side via vias through the Antenna board are electrically connected to the amplifier elements, the transceivers, the tuners or receivers on the underside of the antenna board oriented towards the vehicle interior.
  • Connectors may be arranged on the outer edges of the antenna box which is closed on all sides for controlled area network (CAN) bus lines, local interconnect network (LIN) connections, media-oriented system transport (MOST) connections, universal serial bus (USB) interfaces or Ethernet accesses which protrude from these edge sides of the lower part of the antenna box and protrude into the vehicle interior between the vehicle roof and the roof cladding and via which at least a major part of the communication with terminal devices in the vehicle takes place.
  • CAN controlled area network
  • LIN local interconnect network
  • MOST media-oriented system transport
  • USB universal serial bus
  • the antenna module comprises at least four vehicle radio services from a group consisting of telephone, AM / FM (amplitude modulation system / frequency modulation system), DAB (digital audio broadcasting), SDARS (satellite digital audio radio system), GPS, (global positioning system), WLAN (wireless area network), LTE (long term evolution), WIMAX (worldwide interoperability for microwave access), DRM, (digital radio management), UMTS, (universal mobile telecommunication system), Bluetooth (digital wireless data exchange), RKE (remote keyless entry), RSS (remote starting system), PASS (passive start entry), VHS (vehicle heating system), C2C (car to car communication system), ACC (automatic cruise control), TPMS (tire pressure monitoring system), which can be centrally covered by the antenna module.
  • AM / FM amplitude modulation system / frequency modulation system
  • DAB digital audio broadcasting
  • SDARS satellite digital audio radio system
  • GPS global positioning system
  • WLAN wireless area network
  • LTE long term evolution
  • a telephone and RKE antenna remote keyless entry
  • a telephone and RKE antenna remote keyless entry
  • the fin-shaped outer cover has protruding board which is perpendicular to the antenna box and has a recess in their footer, in which, for example, a GPS antenna can be arranged as a patch antenna.
  • the GPS patch antenna can be arranged on an outside screen chamber on the top of the antenna box, which itself encloses an amplifier and / or an antenna matching circuit within the screen chamber.
  • an SDARS antenna is arranged as a patch antenna spaced from the GPS patch antenna on an outside screen chambers on the top of the antenna box, which screen chamber also encloses an amplifier and / or an antenna matching circuit for the SDARS antenna.
  • coupling elements of metallic foam material or electrically conductive plastic foam can be provided on the upper side of the antenna box in the longitudinal direction on both sides of the opening in the vehicle roof or around the opening in the vehicle roof.
  • the top of the antenna box can be adapted to curvatures of the inside of a vehicle roof.
  • FIG. 1 shows a schematic diagram of an antenna module according to a first embodiment of the invention
  • FIG. 2 shows a schematic diagram of an antenna module according to a second embodiment of the invention
  • FIG. 3 shows a schematic perspective view of one of the antenna modules according to one of the preceding embodiments of the invention
  • Figure 4 shows a schematic perspective view of
  • Antenna module according to FIG. 3 after installation in a motor vehicle.
  • FIG. 1 shows a schematic diagram of an antenna module 1 according to a first embodiment of the invention.
  • the antenna module 1 is intended for a motor vehicle 50 and is arranged on a vehicle roof 10. From the vehicle roof 10 protrudes from an opening 9 in the vehicle roof 10, a fin-shaped outer cover 3 out. This outer cover 3 is at the same time a protective cover for the antenna elements 4, 5, 6 and 7 arranged underneath the protective sleeve. Via feedthroughs 12, 13, 14 and 15, feed points 25, 26, 27 and 28 of the antenna elements 4, 5, 6 and 7 are electrical with an antenna board 16 in conjunction.
  • the antenna board 16 is housed in an antenna box 8 closed on all sides, wherein the antenna box 8 is electrically conductively connected to an inner side 47 of the vehicle roof 10.
  • the antenna box 8 has an electrically conductive upper part 17, which is electrically connected to the inner side 47 of the vehicle roof 10.
  • This electrically conductive upper part 17 has edge sides 19 and 20 which are equipped with snap hooks 23, which engage with snap tabs 24 on edge sides 21 and 22 of a plastic bottom part 18 of the antenna box 8 closed on all sides.
  • the edge sides 19 and 20 of the metallic upper part 17 overlap with the edge sides 21 and 22 of the plastic base part 18.
  • the upper part 17 has a metallic upper side 11, which is electrically connected in electrical contact with the electrically conductive vehicle roof 10 on its inner side 47, so that electromagnetic decoupling between the antenna elements 4, 5, 6 and 7 projecting beyond the roof 10 and the vehicle interior is ensured.
  • the upper side 34 of the antenna board 16 has the feed points 25, 26, 27 and 28 for the antenna elements 4, 5, 6 and 7 as well as matching circuits in the form of printed circuits, on the underside 29, which is oriented towards a vehicle interior 30, a plurality of shielding plates 33 arranged, the transceiver, receiver and / or tuner envelop.
  • the shields 33 protect the transceivers, receivers and / or tuners from electromagnetic radiation that may emanate from internal antennas 31 and 32 on the underside 29 of the antenna board 16 and from electromagnetic coupling of inductive or capacitive coupling of the various electronic circuits with each other.
  • the transceivers, receivers or tuners under the shield plates 33 are connected via vias through the antenna board 16 to the top 34 of the circuit board 16 and thus to matching circuits and to the feed points 25, 26, 27 and 28 of the antenna elements 4, 5, 6 and 7.
  • spacers 35 are arranged, which ensure that the arranged on the top 34 of the antenna board 16 matching circuits are not shorted or damaged by the metallic top of the antenna box 8 ,
  • the spacers are sized as small as possible to provide a coaxial coupling length across the feedthroughs 12, 13, 14 and 15 between the antenna elements 4, 5, 6 and 7 and the feed points 25, 26, 27 and 28 of the antenna board 16 as low as possible and to minimize transmission losses at the bushings 12, 13, 14 and 15.
  • the antenna elements 31 and 32 are provided in the peripheral areas of the antenna board 16 on the underside 29 of the antenna board 16.
  • the lower part 18 in this embodiment of the invention which is fixed with snap tabs 24 on the peripheral snap hook 23 of the upper part 17, made of plastic.
  • FIG. 2 shows a schematic diagram of an antenna module 2 according to a second embodiment of the invention.
  • Components having the same functions as in FIG. 1 are identified by the same reference numerals and will not be discussed separately.
  • FIG. 3 shows a schematic perspective view of one of the antenna modules 1 according to one of the preceding embodiments of the invention, wherein the antenna module 1 is integrally assembled from three areas.
  • An upper region has the already mentioned outer cover 3, with which the antenna module 1 shown in FIG. 3 can project beyond a vehicle roof.
  • This cover 3 is connected via snap hooks 23 with the metallic upper side 11 of an upper part 17 of a closed on all sides
  • Antenna box 8 is connected, wherein the antenna box 8 is completely disposed between a vehicle roof and a vehicle roof cover in the interior 30 of the vehicle.
  • a fixing element 48 is also provided, with which the antenna module 1 can be releasably fixed in an opening of a vehicle roof.
  • the metallically conductive upper side 11 of the upper part 17 of the antenna box 8 on both sides of the outer cover 3 coupling elements 45 and 46, which allows an electrical connection to a bottom of a vehicle roof, said coupling elements 45 and 46 may be made of electrically conductive foam material to compensate for curvatures of the vehicle roof opposite the top of the antenna box 8 and to establish good electrical contact between the metallic top 11 of the antenna box 8 and a bottom of a vehicle roof.
  • protrude connectors 36 to 42 can be connected to the coaxial cables connected between the roof panel and vehicle roof via the connector 36 to 42 to the antenna box 8 closed on all sides and electrical connections to the different receiving, display or Control devices can be provided in the vehicle.
  • the connector 40 is provided for digital interfaces.
  • FIG. 4 shows a schematic perspective view of the antenna module 1 according to FIG. 3 after installation in a motor vehicle 50.
  • an opening 9 is provided in the vehicle roof 10, through which the outer cover 3 of the antenna module 1 protrudes, so that the lower part consists of a plastic material
  • Outer cover 3 arranged antenna elements over the vehicle roof 10 are positioned. While a part of the antenna elements is vertically aligned with respect to the vehicle roof 10, so that a fin-shaped outer cover 3 results, in a horizontally disposed portion 49 of the outer cover 3 flat, almost square-wave antenna elements, such as patch antennas for GPS or SDARS Be arranged connections.
  • the antenna box 8 which is closed on all sides, is identified by dashed lines in FIG. 4 in order to show that it is arranged with its electrically conductive metallic upper side between the underside of the vehicle roof 10 and a roof lining.
  • the direction of travel of the vehicle 50 is here indicated by an arrow F to show that the outer cover 3 protrudes from the vehicle roof 10 like a part of a tail fin or a fish's fin.

Abstract

The invention relates to an antenna module (1, 2), which is a one-piece antenna module and has at least one outside receiving and/or transmitting antenna element (4, 5, 6, 7) under an outer cover (3). Furthermore, the one-piece antenna module has an antenna box (8), which has no or few inside internal antennas and which surrounds the electronic circuits that interact with the antenna elements (4 to 7). The outer cover (3) is detachably fastened to the antenna box (8). The outer cover (3) can be attached so as to protrude from a vehicle roof (10) through an opening (9) in the vehicle roof (10). The antenna box (8) is closed on all sides and can be attached below the vehicle roof (10) by means of a metal top side (11). The metal closed top side (11) of the antenna box (8) has feed-throughs (12 to 15) for the outside antenna elements (4 to 7). The outside antenna elements (4 to 7) in the outer cover (3) are electrically coupled to the circuits inside the antenna box (8) closed on all sides by means of the feed-throughs (12 to 15). Thus, a compact installation part is obtained, which provides complete shielding between an antenna part and a transceiver part.

Description

Beschreibung description
Antennenmodul mit Sende- und Empfangsantennenelement Antenna module with transmitting and receiving antenna element
Die Erfindung betrifft ein einteiliges Antennenmodul mit mindestens einem Sende- und mindestens einem Empfangsantennenelement. Das Antennenmodul weist eine Außenabdeckung für außenseitige Antennenelemente auf. Eine Antennenbox umfasst elektronische Schaltungen, die mit den Antennenelementen zusammenwirken. Die Außenabdeckung ist auf der Antennenbox lösbar fixiert. Die Außenabdeckung ist durch eine Öffnung in einem Fahrzeugdach aus dem Fahrzeugdach herausragend anbringbar. The invention relates to a one-piece antenna module with at least one transmitting and at least one receiving antenna element. The antenna module has an outer cover for outside antenna elements. An antenna box comprises electronic circuits which interact with the antenna elements. The outer cover is detachably fixed on the antenna box. The outer cover is protrusively attachable through an opening in a vehicle roof from the vehicle roof.
Aus der Druckschrift EP 1 903 632 Bl ist ein Antennenmodul, insbesondere als zentrales Sende- und/oder Empfangsmodul für ein Fahrzeug mit mehreren Antennen und mehreren Sende- und/oder Empfangseinrichtungen bekannt. Dazu sind die Sende- und/oder Empfangseinrichtungen in Form einer zentralen Transceiverbox in das Antennenmodul integriert. Außerdem weist das Antennenmodul einen oberen und einen unteren Teil mit jeweils mehreren Antennen auf, welche durch einen Bereich der Karosserie eines Fahrzeugs getrennt sind. Dabei ist die Platine für den oberen Bereich von der Platine für den unteren Bereich mit Hilfe von Konnektoren oder Abstandshalter abgesetzt. The document EP 1 903 632 Bl discloses an antenna module, in particular as a central transmitting and / or receiving module for a vehicle having a plurality of antennas and a plurality of transmitting and / or receiving devices. For this purpose, the transmitting and / or receiving devices are integrated in the antenna module in the form of a central transceiver box. In addition, the antenna module has an upper and a lower part, each having a plurality of antennas, which are separated by an area of the body of a vehicle. In this case, the board for the upper area of the board for the lower area by means of connectors or spacers is discontinued.
In einer bevorzugten Ausführungsform des bekannten Antennenmoduls ist die Transceiverbox auf eine Unterseite des Karosserieteils geschraubt, wobei das Karosserieteil nach außen eine großflächige Öffnung aufweist, in welcher der obere Teil des Antennenmoduls mit den sendenden und empfangenden Antennen für bestimmte Dienste angeordnet ist. Diese Ausführungsform eines Antennenmoduls weist nachfolgende Nachteile auf, dass : 1. zwei Platinen verwendet werden, was die Notwendigkeit von Hochfreguenztauglichen Verbindungskonnektoren für zwei Platinen hervorruft, In a preferred embodiment of the known antenna module, the transceiver box is screwed onto an underside of the body part, wherein the body part outwardly has a large-area opening in which the upper part of the antenna module is arranged with the transmitting and receiving antennas for certain services. This embodiment of an antenna module has the following disadvantages: 1. Two boards are used, creating the need for two-board high frequency connectivity connectors,
2. eine Abstrahlung der externen Antennen in den Fahrgastraum möglich ist,  2. a radiation of the external antennas in the passenger compartment is possible,
3. große Platinenflächen (oben wie unten) notwendig sind, da Platz für die HF-Verbindungskonnektoren inkl. Sperrflächen gebraucht wird,  3. large board surfaces (top and bottom) are necessary, since space is needed for the RF connection connectors incl. Sperrflächen,
4. sehr hohe Kosten anfallen, da zwei Platinen,  4. very high costs, since two boards,
Verbindungskonnektoren und notwendigen Montageschritte gebraucht werden, Connection connectors and necessary assembly steps are needed,
5. jegliche Möglichkeit fehlt, eine Dachkrümmung zu  5. There is no possibility of a roof curvature
kompensieren . compensate.
Aufgabe der Erfindung ist es, die Nachteile im Stand der Technik zu überwinden und ein Antennenmodul für ein Fahrzeug zu schaffen, das als Einbauten im Dachbereich eines Fahrzeugs kostengünstig und kompakt montierbar ist und eine vollständige Abschirmung zwischen einem oberen äußeren Antennenteil und einem auf einer Innenseite eines Fahrzeugdaches fixierten Transceiverteils bereitstellt . The object of the invention is to overcome the disadvantages of the prior art and to provide an antenna module for a vehicle, which is inexpensive and compact mountable as internals in the roof area of a vehicle and a complete shield between an upper outer antenna part and one on an inside of a Vehicle roof fixed transceiver part provides.
Gelöst wird diese Aufgabe mit dem Gegenstand des unabhängigen Anspruchs 1. Vorteilhafte Weiterbildung der Erfindung ergeben sich aus den abhängigen Ansprüchen. This object is achieved with the subject matter of independent claim 1. Advantageous development of the invention will become apparent from the dependent claims.
In einer Ausführungsform der Erfindung weist ein Antennenmodul, das einteilig ist, mindestens ein außenseitiges Empfangs- und/ oder Sendeantennenelement unter einer Außenabdeckung auf . Ferner umfasst das einteilige Antennenmodul eine Antennenbox, die keine oder wenige innenseitige interne Antennen aufweist und die elektronische Schaltungen einschließt, welche mit den Antennenelementen zusammenwirken. Die Außenabdeckung ist auf der Antennenbox lösbar fixiert. Die Außenabdeckung ist durch eine Öffnung in einem Fahrzeugdach aus dem Fahrzeugdach herausragend anbringbar. Die Antennenbox ist allseitig geschlossen und unterhalb des Fahrzeugdaches mit einer metallischen Oberseite anbringbar. Die metallische geschlossene Oberseite der Anten- nenbox weist zu den außenseitigen Antennenelementen Durchführungen auf. Über die Durchführungen sind die außenseitigen Antennenelemente in der Außenabdeckung mit den Schaltungen innerhalb der allseitig geschlossenen Antennenbox elektrisch gekoppelt . In one embodiment of the invention, an antenna module that is in one piece has at least one outside receiving and / or transmitting antenna element under an outside cover. Further, the one-piece antenna module includes an antenna box having no or few inside internal antennas and including electronic circuitry that interacts with the antenna elements. The outer cover is detachably fixed on the antenna box. The outer cover is through a Opening in a vehicle roof from the vehicle roof outstanding attachable. The antenna box is closed on all sides and can be attached below the vehicle roof with a metallic upper side. The metallic closed top side of the antenna box has feedthroughs to the outside antenna elements. Via the bushings, the outside antenna elements in the outer cover are electrically coupled to the circuits within the antenna box closed on all sides.
Dieses Antennenmodul hat den Vorteil, dass das Antennenmodul einteilig für den Einbau in ein Fahrzeug zur Verfügung steht. Darüber hinaus hat das einteilige Antennenmodul den Vorteil, dass die großflächige Öffnung im Antennendach, welche der Außenab- deckung angepasst ist, um mit einfachen Mitteln und kompakt die Antennenelemente durch die Öffnung in dem Fahrzeugdach nach außen herausragen zu lassen, durch die geschlossene und elektrisch leitende metallische Oberseite der Antennenbox in Verbindung mit dem Fahrzeugdach eine Masseabschirmung bildet, die eine klare Trennung zwischen einem Außenbereich des Antennenmoduls mit den Antennenstrahlern und einer inneren geschlossenen Antennenbox bereitstellt . This antenna module has the advantage that the antenna module is available in one piece for installation in a vehicle. In addition, the one-piece antenna module has the advantage that the large-area opening in the antenna roof, which is adapted to the outer cover in order to protrude by simple means and compact the antenna elements through the opening in the vehicle roof to the outside, through the closed and electrically conductive metallic top side of the antenna box in conjunction with the vehicle roof forms a ground shield, which provides a clear separation between an outer area of the antenna module with the antenna radiators and an inner closed antenna box.
Durch die Abschirmung aus Außendach und metallischer Oberseite der allseits geschlossenen Antennenbox wird eine elektromagnetische Entkopplung der Antennenelemente und der in der geschlossenen Antennenbox angeordneten Antennen und Schaltkreise sicherstellt. Damit wird eine störungsfreie Masseanbindung des Antennenmoduls an das Fahrzeug für die Elektronik und für die Antennen erreicht. Um eine dachkonforme Anbringung bzw. Anpassung der Antennenbox an das Dach werden zusätzlich Koppelelemente auf der metallischen Oberseite der Antennenbox eingesetzt. Diese bestehen aus kompressierbarem metallisiertem Schaummaterial, um die Dachkrümmung zu kompensieren. Trotz der elektromagnetischen Entkopplung zwischen den externen Antennenelementen und der allseitig geschlossenen Antennenbox mit internen Antennen und diversen Schaltkreisen stellt das Antennenmodul ein einteiliges, einfach zu montierendes Antennenmodul dar, auch wenn ein Bereich des Antennenmoduls aus der Karosserie und dem Fahrzeugdach herausragt und ein anderer Bereich unterhalb des Fahrzeugdaches unter Kontaktierung desselben montiert ist. Dieses wird durch die allseits geschlossene Antennenbox mit einer metallisch leitenden Oberseite erreicht, auf der sich eine Überhöhung mit der unteren Querschnittstorm der Außenabdeckung befindet, worin die externen Antennen für die Dienste mit fahrzeugexternen Verbindungen wie z.B. Satellitendiensten, Telefondiensten usw. angeordnet sind. The shielding of the outer roof and the metallic upper side of the antenna box, which is closed on all sides, ensures electromagnetic decoupling of the antenna elements and the antennas and circuits arranged in the closed antenna box. This achieves interference-free ground connection of the antenna module to the vehicle for the electronics and for the antennas. To a roof compliant attachment or adaptation of the antenna box to the roof coupling elements are additionally used on the metallic top of the antenna box. These consist of compressible metallized foam material to compensate for the roof curvature. Despite the electromagnetic decoupling between the external antenna elements and the antenna box closed on all sides with internal antennas and various circuits, the antenna module is a one-piece, easy to install antenna module, even if one area of the antenna module protrudes from the body and the vehicle roof and another area below Vehicle roof is mounted under contacting the same. This is achieved by the universally closed antenna box with a metallically conductive top, on which there is an elevation with the lower cross-sectional shape of the outer cover, wherein the external antennas for the services with vehicle-external connections such as satellite services, telephone services, etc. are arranged.
Die Antennenbox kann vollständig oder teilweise aus Kunststoff oder Metall sein. Dies hängt von den Diensten, die in dem Antennenmodul integriert sind, ab. Während beispielsweise die 0- berseite der Box aus Metall ist, können die vier seitlichen Berandungen der Box sowie die untere Seite der Box aus Kunststoff sein. Dies ist z.B. der Fall, wenn Dienste wie z.B. ein passives Start- und Entry-System (PASE-System) mit einer fahrzeuginternen Verbindung benötigt werden. The antenna box can be completely or partially made of plastic or metal. This depends on the services integrated in the antenna module. For example, while the top of the box is made of metal, the box's four side edges and the bottom of the box may be plastic. This is e.g. the case when services such as a passive start and entry system (PASE system) with an in-vehicle connection is needed.
Für den Fall, dass die Antennenbox vollständig aus Metall ist, um eine sichere Abschirmung einer Antennenplatine mit Transcei- vern, Tunern oder anderen elektronischen Schaltkreisen zu gewährleisten, ist es auch möglich, dass auf den vier seitlichen Berandungen der Box sowie auf der Unterseite der Box Antennen für fahrzeuginterne Verbindungen integriert oder montiert sind. Durch die vorgesehene metallische Oberseite der allseitig geschlossenen Antennenbox sind die aus dem Fahrzeugdach herausragenden Antennenelemente unter der Außenabdeckung elektromagnetisch von der Antennenbox getrennt. Für den Fall, dass die Antennenbox vollständig aus Kunststoff ist, gibt es entweder keine externen Antennenelemente oder die erforderliche elektromagnetische Trennung wird sowohl auf der Hauptplatine als auch der Oberseite der Antennenbox realisiert, indem kompres sierbare Kopplungselemente aus metallisiertem Schaummaterial oder Kunststoff auf der Hauptplatine und auf der Oberseite der Antennenbox entlang der Dachaussparung angebracht werden . In the event that the antenna box is completely made of metal to ensure secure shielding of an antenna board with transceivers, tuners or other electronic circuits, it is also possible that on the four lateral edges of the box and on the bottom of the box Antennas for in-vehicle connections are integrated or mounted. Due to the intended metallic upper side of the antenna box, which is closed on all sides, the antenna elements protruding from the vehicle roof are separated electromagnetically from the antenna box under the outer cover. In the event that the antenna box is completely made of plastic, there are either no external antenna elements or the required electromagnetic separation is realized on both the motherboard and the top of the antenna box by compressible coupling elements of metallized foam material or plastic on the motherboard and on the top of the antenna box along the roof opening.
Die außenseitigen Antennenelemente für fahrzeugexterne Dienste, die innerhalb der Außenabdeckung angeordnet sind, stehen mit einer Antennenhauptplatine innerhalb der allseits geschlossenen Antennenbox in Verbindung, indem die Fußpunkte bzw. die Einspeisepunkte der Antennenelemente für fahrzeugexterne Dienste durch die metallische Oberseite der Antennenbox hindurch bis zur Antennenplatine durchgeschleift werden und auf der Antennenplatine aufgelötet sind. Dabei können manche Antennen, wie die Patch-Antenne für die Satellitenkommunikation auf der metallischen Oberseite der allseitig geschlossenen Antennenbox aufliegen . The outboard antenna elements for off-vehicle services located within the outer cover communicate with an antenna mainboard within the generally closed antenna box by looping the bases or infeed points of the off-board antenna elements through the metallic top of the antenna box to the antenna board and soldered to the antenna board. Some antennas, such as the patch antenna for satellite communication, can rest on the metallic upper side of the antenna box closed on all sides.
Die Antenneneinspeisepunkte werden über Durchkontakte durch die metallische Oberseite der Antennenbox geführt und bilden dabei und auch innerhalb der Box eine koaxiale Leitung. Derartige Durchführungen können z.B. durch minimale Aussparungen in der Oberseite aus Metall, die mit Kunststoff aufgefüllt sind, erreicht werden. The antenna feed points are routed through vias through the metallic top of the antenna box, forming a coaxial line as well as inside the box. Such feedthroughs may e.g. be achieved by minimal recesses in the top of metal, which are filled with plastic.
Gleichzeitig bildet die metallische Oberseite der allseits geschlossenen Antennenbox ein tragendes Element, das sämtliche auftretenden mechanischen Kräfte aufnehmen kann. Dazu kann die Oberseite der allseits geschlossenen Antennenbox ein Druckgussteil sein oder aus einem gestanzten Blech bestehen. Ferner können Schirmkammern integriert werden, die für den Schutz der elek- tromagnetischen Schaltung zusätzlich genutzt werden und mithilfe von Pins auf die Antennenplatine innerhalb der geschlossenen Antennenbox gelötet sind. Derartige Schirmkammern können somit einen Teilbereich der jeweiligen Schaltung auf der Antennenplatine abschirmen, insbesondere, wenn der untere Bereich, der zum Fahrzeuginneren hin gerichtet ist, aus Kunststoff gefertigt ist. Somit kann die Antennenbox mit dem Chassis von heutigen Antennenlösungen, welche auf dem Dach montiert sind, verglichen werden, jedoch ist dieses Chassis in einer Ausführungsform der Erfindung unter dem Dach und die Antennenplatine ist auf der fahrzeuginternen Seite des Chassis montiert. At the same time, the metallic upper side of the antenna box, which is closed on all sides, forms a load-bearing element that can absorb all the mechanical forces that occur. For this purpose, the top of the antenna box, which is closed on all sides, can be a die-cast part or consist of a stamped sheet metal. Furthermore, it is possible to integrate umbrella chambers which are used to protect the electrical tromagnetischen circuit additionally be used and are soldered by means of pins on the antenna board within the closed antenna box. Such umbrella chambers can thus shield a portion of the respective circuit on the antenna board, in particular, when the lower portion, which is directed toward the vehicle interior, is made of plastic. Thus, the antenna box can be compared with the chassis of today's antenna solutions mounted on the roof, however, in one embodiment of the invention this chassis is under the roof and the antenna board is mounted on the in-vehicle side of the chassis.
Vorzugsweise wird für das Antennenmodul nur eine einzige Antennenplatine vorgesehen, worauf sich die notwendigen Empfänger, Transceiver und Anpassungsschaltungen befinden und die Antenneneinspeisepunkte gelötet sind. Die aktiven Antennenelemente, die durch die Öffnung im Fahrzeugdach hindurchragen, können als PCB-Antennen (printed circuit board) beispielsweise aus einer FR4-Platine ausgebildet und relativ zur Antennenplatine in der allseits geschlossenen Antennenbox vertikal stehend angeordnet sein . Preferably, only a single antenna board is provided for the antenna module, whereupon the necessary receivers, transceivers and matching circuits are located and the antenna feed points are soldered. The active antenna elements, which project through the opening in the vehicle roof, can be formed as printed circuit board (PCB) antennas, for example from an FR4 board, and arranged vertically relative to the antenna board in the generally closed antenna box.
Ein Arrangement von mehreren Antennenelementen hängt von der zu erzielenden Wirkung in Bezug auf Gewinn, Form der Abstrahlungs- diagramme, Entkopplung sowie in Korrelation zu den VSWR ( Standing wave ratio) -Werten ab. Vorzugsweise ist die Antennenplatine innerhalb der allseits geschlossenen Antennenbox an der Innenseite der metallischen Oberseite der Box mit oder ohne Abstandshaltern befestigt, um zu gewährleisten, dass die Antenneneinspeisepunkte so kurz wie möglich in Bezug auf die außenseitigen Antennenelemente sind. Außerdem ist es vorgesehen, dass nicht nur eine Antennenplatine in der Antennenbox angeordnet ist, sondern dass durchaus mehrere Platinen innerhalb der Antennenbox beispielsweise über Stecker (z.B. Flachbandkabel mit entsprechenden Steckern) mit der Antennenplatine verbunden sind. An arrangement of several antenna elements depends on the effect to be achieved in terms of gain, shape of the radiation diagrams, decoupling and in correlation to the VSWR (Standing Wave Ratio) values. Preferably, the antenna board is mounted within the generally closed antenna box on the inside of the metallic top of the box with or without spacers to ensure that the antenna feed points are as short as possible with respect to the outside antenna elements. In addition, it is envisaged that not only an antenna board is arranged in the antenna box, but that quite a number of boards within the antenna box For example, via plug (eg ribbon cable with appropriate connectors) are connected to the antenna board.
Die Außenabdeckung bildet eine Art Schutzhaube für die darin befindlichen Antennenelemente. Diese Außenabdeckung kann ein separates Teil sein, das auf die Oberseite der Antennenbox geklipst wird. Zur Montage des Antennenmoduls wird das Antennenmodul von der Innenseite des Fahrzeugs aus derart am Fahrzeugdach montiert, dass die Antennenelemente durch die Öffnung in dem Dach hindurchragen und damit außerhalb des Fahrzeugs ihre Wirkung erzielen, soweit sie für fahrzeugexterne Verbindungen vorgesehen sind. Der mit der Außenabdeckung sichtbare externe Teil, der aus dem Fahrzeugdach herausragt, ähnelt in seiner Form den heute üblichen Finnen. Die innerhalb des Fahrzeugs befind- liehe Antennenbox kann dagegen rechteckig, rund oder eine beliebig andere Form aufweisen. Dabei ist die Antennenbox nur zwischen dem Fahrzeugdach und einer Dachverkleidung positioniert . Darüber hinaus ist es vorgesehen, dass das Antennenmodul imThe outer cover forms a kind of protective hood for the antenna elements therein. This outer cover may be a separate part that is clipped onto the top of the antenna box. For mounting the antenna module, the antenna module is mounted on the vehicle roof from the inside of the vehicle in such a way that the antenna elements protrude through the opening in the roof and thus achieve their effect outside of the vehicle, as far as they are provided for vehicle-external connections. The visible with the outer cover external part, which protrudes from the vehicle roof, similar in shape to the usual Finns today. By contrast, the antenna box located inside the vehicle can have a rectangular, round or any other shape. The antenna box is only positioned between the vehicle roof and a roof panel. In addition, it is provided that the antenna module in
Bereich der Außenabdeckung Verrastungsstellen aufweist, die eine Montage und Fixierung in der Öffnung vereinfachen, indem das Antennenmodul durch die Öffnung hindurch geschoben wird und an dem Fahrzeugdach verrastet wird. Bevor jedoch mit dem Antennen- modul innerhalb des Fahrzeugs Anschlusssteckbuchsen für die unterschiedlichen digitalen und analogen Dienste verbunden werden, kann zusätzlich die allseits geschlossene Antennenbox an das Fahrzeugdach von innen verschraubt werden, um u.a. die auftretenden mechanischen Kräfte, die auf die Anschlusssteck- buchsen einwirken, abzufangen und auf die Fahrzeugkarosserie zu übertragen. Darüber hinaus kann auf der Oberseite der Antennenbox ein waagerechter Schlitz oder eine waagerechte Nut vorgesehen sein, um durch eine translatorische Bewegung in Fahrrichtung oder in Gegenfahrtrichtung das Antennenmodul an dem Fahrzeugdach zu fixieren . Area of the outer cover latching points, which facilitate mounting and fixing in the opening by the antenna module is pushed through the opening and is locked to the vehicle roof. However, before connection sockets for the various digital and analog services are connected to the antenna module inside the vehicle, the antenna box, which is closed on all sides, can additionally be bolted to the vehicle roof from the inside in order, inter alia, to encounter the mechanical forces which act on the connection sockets. intercept and transfer to the vehicle body. In addition, on the top of the antenna box, a horizontal slot or a horizontal groove may be provided to move by a translational movement in the direction of travel or in the opposite direction to fix the antenna module to the vehicle roof.
In einer weiteren Ausführungsform der Erfindung ist es vorge- sehen, dass das Antennenmodul ausschließlich eine einzige externe Antenne für die Dienste RKE (remote keyless entry), PÄSE (passive Start entry) und TPMS (tire pressure monitoring System) aufweist. Weiterhin können aber auch ausschließlich interne Antennen für die oben erwähnten Dienste vorgesehen werden sowie eine Kombination von internen und externen Antennen bereitgestellt werden, die derart realisiert sind, dass der externe Teil der Antenne im Bereich der Außenabdeckung, also unter einer Schutzhaube, wie der Außenabdeckung, ist und der interne Teil der Antenne in der Antennenbox vorgesehen ist, was jedoch nur sinnvoll ist, wenn ein unterer Teil der allseitig geschlossenen Antennenbox aus Kunststoff besteht. In a further embodiment of the invention, it is provided that the antenna module exclusively has a single external antenna for the services RKE (remote keyless entry), PÄSE (passive start entry) and TPMS (tire pressure monitoring system). Furthermore, it is also possible to provide exclusively internal antennas for the abovementioned services, and to provide a combination of internal and external antennas, which are realized in such a way that the external part of the antenna is located in the region of the outer cover, ie under a protective cover, such as the outer cover. is and the internal part of the antenna is provided in the antenna box, which, however, only makes sense if a lower part of the antenna box is closed on all sides made of plastic.
In einer weiteren Ausführungsform der Erfindung weist dazu die Antennenbox selbst ein Oberteil und ein Unterteil auf, wobei das Oberteil die metallische Oberseite und Randseiten beinhaltet und sich mit Randseiten des Unterteils teilweise überlappt, wobei das Unterteil mit seinen Randseiten aus Kunststoff aufgebaut sein kann. Die Verbindung zwischen Unterteil und Oberteil kann an den Randseiten über Schnapphaken und Schnapplaschen mechanisch lösbar vorgesehen werden. Andererseits ist es auch möglich, mithilfe derartiger Schnapphaken und Schnapplaschen die Außenabdeckung mit der Oberseite der Antennenbox zu verbinden. In a further embodiment of the invention, the antenna box itself has an upper part and a lower part, wherein the upper part includes the metallic upper side and edge sides and partially overlaps with edge sides of the lower part, wherein the lower part can be constructed with its edge sides made of plastic. The connection between lower part and upper part can be provided on the edge sides of snap hooks and snap tabs mechanically detachable. On the other hand, it is also possible to connect the outer cover with the top of the antenna box using such snap hooks and snap tabs.
In einer weiteren Ausführungsform der Erfindung ist es vorge- sehen, dass die mindestens eine Antennenplatine elektronische gedruckte Schaltkreise auf ihrer Oberseite aufweist, wobei die Antennenplatine über die oben erwähnten Abstandshalter an dem Oberteil der Antennenbox fixiert ist, und wobei die gedruckten Schaltkreise der Platinenoberseite über Durchkontakte durch die Antennenplatine mit den Verstärkerelementen, den Transceivern, den Tunern oder Empfängern auf der zum Fahrzeuginnenraum hin ausgerichteten Unterseite der Antennenplatine elektrisch in Verbindung stehen. In a further embodiment of the invention, it is provided that the at least one antenna board has electronic printed circuits on its upper side, wherein the antenna board is fixed to the upper part of the antenna box via the above-mentioned spacers, and wherein the printed circuit boards of the board upper side via vias through the Antenna board are electrically connected to the amplifier elements, the transceivers, the tuners or receivers on the underside of the antenna board oriented towards the vehicle interior.
Auf den Außenrändern der allseits geschlossenen Antennenbox können Steckverbinder angeordnet sein für CAN-BUS-Zuleitungen ( controlled area network ) , LIN-Verbindungen (local interconnect network), MOST-Anschlüsse (media oriented System transport), USB-Schnittstellen (universal serial bus) oder Ethernet-Zu- gänge, die aus diesen Randseiten des Unterteils der Antennenbox herausragen und in den Fahrzeuginnenraum zwischen Fahrzeugdach und Dachverkleidung hineinragen und über die wenigstens ein Großteil der Kommunikation mit Endgeräten in dem Fahrzeug erfolgt. Connectors may be arranged on the outer edges of the antenna box which is closed on all sides for controlled area network (CAN) bus lines, local interconnect network (LIN) connections, media-oriented system transport (MOST) connections, universal serial bus (USB) interfaces or Ethernet accesses which protrude from these edge sides of the lower part of the antenna box and protrude into the vehicle interior between the vehicle roof and the roof cladding and via which at least a major part of the communication with terminal devices in the vehicle takes place.
Außerdem weist das Antennenmodul in einer weiteren Ausführungsform der Erfindung mindestens vier in einem Fahrzeug anfallende Funkdienste aus einer Gruppe auf, bestehend aus Telefon, AM/FM, (amplitude modulation system/freguency modulation System), DAB (digital audio broadcasting) , SDARS (satellite digital audio radio System), GPS, (global positioning System), WLAN (wireless area network), LTE (long term evolution ), WIMAX (worldwide interoperability for microwave access), DRM, (digital radio mondiale), UMTS, (universal mobile telecommunication System), Bluetooth, (digital wireless data exchange ) , RKE (remote keyless entry) , RSS (remote starting System) , PÄSE (passive Start entry) , VHS (vehicle heating System), C2C (car to car communication System), ACC (automatic cruise control), TPMS (tire pressure monitoring System) , die durch das Antennenmodul zentral abgedeckt werden können. In addition, in another embodiment of the invention, the antenna module comprises at least four vehicle radio services from a group consisting of telephone, AM / FM (amplitude modulation system / frequency modulation system), DAB (digital audio broadcasting), SDARS (satellite digital audio radio system), GPS, (global positioning system), WLAN (wireless area network), LTE (long term evolution), WIMAX (worldwide interoperability for microwave access), DRM, (digital radio mondiale), UMTS, (universal mobile telecommunication system), Bluetooth (digital wireless data exchange), RKE (remote keyless entry), RSS (remote starting system), PASS (passive start entry), VHS (vehicle heating system), C2C (car to car communication system), ACC (automatic cruise control), TPMS (tire pressure monitoring system), which can be centrally covered by the antenna module.
Ferner ist es vorgesehen, dass eine Telefon- und RKE-Antenne (remote keyless entry) eine in die finnenförmige Außenabdeckung hineinragende Platine aufweist, die senkrecht auf der Antennenbox steht und in ihrem Fußbereich eine Aussparung aufweist, in der beispielsweise eine GPS-Antenne als Patch-Antenne angeordnet sein kann. Dabei kann die GPS-Patchantenne auf einer außenseitigen Schirmkammer auf dem Oberteil der Antennenbox angeordnet sein, die selbst einen Verstärker- und/oder einen Antennenanpassungsschaltkreis innerhalb der Schirmkammer umschließt. Further, it is contemplated that a telephone and RKE antenna (remote keyless entry) into the fin-shaped outer cover has protruding board which is perpendicular to the antenna box and has a recess in their footer, in which, for example, a GPS antenna can be arranged as a patch antenna. In this case, the GPS patch antenna can be arranged on an outside screen chamber on the top of the antenna box, which itself encloses an amplifier and / or an antenna matching circuit within the screen chamber.
Darüber hinaus ist es vorgesehen, dass eine SDARS-Antenne als Patchantenne beabstandet von der GPS-Patchantenne auf einer außenseitigen Schirmkammern auf dem Oberteil der Antennenbox angeordnet ist, wobei auch diese Schirmkammer einen Verstärker und/oder einen Antennenanpassungsschaltkreis für die SDARS- Antenne umschließt. In addition, it is provided that an SDARS antenna is arranged as a patch antenna spaced from the GPS patch antenna on an outside screen chambers on the top of the antenna box, which screen chamber also encloses an amplifier and / or an antenna matching circuit for the SDARS antenna.
Um einen sicheren Öffnungsumlaufenden Kontakt mit einem elektrisch leitenden Fahrzeugdach herzustellen, können auf der 0- berseite der Antennenbox in Längsrichtung beidseitig von der Öffnung in dem Fahrzeugdach oder um die Öffnung im Fahrzeugdach herum Koppelelemente aus metallischem Schaummaterial oder elektrisch leitendem Kunststoffschäum vorgesehen werden. Mit derartigen Koppelelementen kann die Oberseite der Antennenbox an Krümmungen der Innenseite eines Fahrzeugdaches angepasst werden. In order to produce a secure opening revolving contact with an electrically conductive vehicle roof, coupling elements of metallic foam material or electrically conductive plastic foam can be provided on the upper side of the antenna box in the longitudinal direction on both sides of the opening in the vehicle roof or around the opening in the vehicle roof. With such coupling elements, the top of the antenna box can be adapted to curvatures of the inside of a vehicle roof.
Die Erfindung wird nun anhand der beigefügten Figuren näher erläutert . The invention will now be explained in more detail with reference to the accompanying figures.
Figur 1 zeigt eine Prinzipskizze eines Antennenmoduls gemäß einer ersten Ausführungsform der Erfindung; FIG. 1 shows a schematic diagram of an antenna module according to a first embodiment of the invention;
Figur 2 zeigt eine Prinzipskizze eines Antennenmoduls gemäß einer zweiten Ausführungsform der Erfindung; Figur 3 zeigt eine schematische perspektivische Ansicht eines der Antennenmodule gemäß einer der vorhergehenden Ausführungsformen der Erfindung; Figur 4 zeigt eine schematische perspektivische Ansicht des FIG. 2 shows a schematic diagram of an antenna module according to a second embodiment of the invention; FIG. 3 shows a schematic perspective view of one of the antenna modules according to one of the preceding embodiments of the invention; Figure 4 shows a schematic perspective view of
Antennenmoduls gemäß Figur 3 nach Einbau in ein Kraftfahrzeug .  Antenna module according to FIG. 3 after installation in a motor vehicle.
Figur 1 zeigt eine Prinzipskizze eines Antennenmoduls 1 gemäß einer ersten Ausführungsform der Erfindung. Das Antennenmodul 1 ist für ein Kraftfahrzeug 50 bestimmt und ist an einem Fahrzeugdach 10 angeordnet. Aus dem Fahrzeugdach 10 ragt aus einer Öffnung 9 in dem Fahrzeugdach 10 eine finnenförmige Außenabdeckung 3 heraus. Diese Außenabdeckung 3 ist gleichzeitig eine Schutzhülle für die unter der Schutzhülle angeordneten Antennenelemente 4, 5, 6 und 7. Über Durchführungen 12, 13, 14 und 15 stehen Einspeisepunkte 25, 26, 27 und 28 der Antennenelemente 4, 5, 6 und 7 elektrisch mit einer Antennenplatine 16 in Verbindung. Die Antennenplatine 16 ist in einer allseitig geschlossenen Antennenbox 8 untergebracht, wobei die Antennenbox 8 mit einer Innenseite 47 des Fahrzeugdaches 10 elektrisch leitend verbunden ist . FIG. 1 shows a schematic diagram of an antenna module 1 according to a first embodiment of the invention. The antenna module 1 is intended for a motor vehicle 50 and is arranged on a vehicle roof 10. From the vehicle roof 10 protrudes from an opening 9 in the vehicle roof 10, a fin-shaped outer cover 3 out. This outer cover 3 is at the same time a protective cover for the antenna elements 4, 5, 6 and 7 arranged underneath the protective sleeve. Via feedthroughs 12, 13, 14 and 15, feed points 25, 26, 27 and 28 of the antenna elements 4, 5, 6 and 7 are electrical with an antenna board 16 in conjunction. The antenna board 16 is housed in an antenna box 8 closed on all sides, wherein the antenna box 8 is electrically conductively connected to an inner side 47 of the vehicle roof 10.
Dazu weist die Antennenbox 8 ein elektrisch leitendes Oberteil 17 auf, das mit der Innenseite 47 des Fahrzeugdaches 10 elektrisch in Verbindung steht . Dieses elektrisch leitende Oberteil 17 weist Randseiten 19 und 20 auf, die mit Schnapphaken 23 ausgestattet sind, welche mit Schnapplaschen 24 auf Randseiten 21 und 22 eines KunststoffUnterteils 18 der allseitig geschlossenen Antennenbox 8 in Eingriff stehen. Dazu überlappen sich die Randseiten 19 und 20 des metallischen Oberteils 17 mit den Randseiten 21 und 22 des KunststoffUnterteils 18. Das Oberteil 17 weist eine metallische Oberseite 11, die in elektrischem Kontakt mit dem elektrisch leitenden Fahrzeugdach 10 auf dessen Innenseite 47 elektrisch verbunden ist, so dass eine elektromagnetische Entkopplung zwischen den über das Dach 10 hinausragenden Antennenelementen 4, 5, 6 und 7 und der Fahrzeuginnenraum sichergestellt ist. For this purpose, the antenna box 8 has an electrically conductive upper part 17, which is electrically connected to the inner side 47 of the vehicle roof 10. This electrically conductive upper part 17 has edge sides 19 and 20 which are equipped with snap hooks 23, which engage with snap tabs 24 on edge sides 21 and 22 of a plastic bottom part 18 of the antenna box 8 closed on all sides. For this purpose, the edge sides 19 and 20 of the metallic upper part 17 overlap with the edge sides 21 and 22 of the plastic base part 18. The upper part 17 has a metallic upper side 11, which is electrically connected in electrical contact with the electrically conductive vehicle roof 10 on its inner side 47, so that electromagnetic decoupling between the antenna elements 4, 5, 6 and 7 projecting beyond the roof 10 and the vehicle interior is ensured.
Während die Oberseite 34 der Antennenplatine 16 die Einspeisepunkte 25, 26, 27 und 28 für die Antennenelemente 4, 5, 6 und 7 sowie Anpassungsschaltkreise in Form von gedruckten Schaltungen aufweist, sind auf der Unterseite 29, die zu einem Fahrzeuginnenraum 30 hin ausgerichtet ist, mehrere Abschirmbleche 33 angeordnet, die Transceiver, Empfänger und/oder Tuner umhüllen. Die Abschirmbleche 33 schützen die Transceiver, Empfänger und/ oder Tuner vor elektromagnetischer Strahlung, die von internen Antennen 31 und 32 auf der Unterseite 29 der Antennenplatine 16 ausgehen können, und vor elektromagnetischer Kopplung induktiver oder kapazitiver Kopplung der unterschiedlichen elektronischen Schaltungen untereinander. While the upper side 34 of the antenna board 16 has the feed points 25, 26, 27 and 28 for the antenna elements 4, 5, 6 and 7 as well as matching circuits in the form of printed circuits, on the underside 29, which is oriented towards a vehicle interior 30, a plurality of shielding plates 33 arranged, the transceiver, receiver and / or tuner envelop. The shields 33 protect the transceivers, receivers and / or tuners from electromagnetic radiation that may emanate from internal antennas 31 and 32 on the underside 29 of the antenna board 16 and from electromagnetic coupling of inductive or capacitive coupling of the various electronic circuits with each other.
Die Transceiver, Empfänger oder Tuner unter den Abschirmblechen 33 sind über Durchkontakte durch die Antennenplatine 16 mit der Oberseite 34 der Schaltungsplatine 16 und damit mit Anpassungsschaltkreisen und mit den Einspeisepunkten 25, 26, 27 und 28 der Antennenelemente 4, 5, 6 und 7 verbunden. Zwischen der metallischen und elektrisch leitenden Oberseite 11 der Antennenbox 8 und der Oberseite 34 der Antennenplatine 16 sind Abstandshalter 35 angeordnet, die dafür sorgen, dass die auf der Oberseite 34 der Antennenplatine 16 angeordneten Anpassungsschaltkreise nicht durch die metallische Oberseite der Antennenbox 8 kurzgeschlossen oder beschädigt werden. Die Abstandshalter sind so klein wie möglich dimensioniert, um eine koaxiale Kopplungslänge über die Durchführungen 12, 13, 14 und 15 zwischen den Antennenelementen 4, 5, 6 und 7 und den Einspeisepunkten 25, 26, 27 und 28 der Antennenplatine 16 so gering wie möglich zu halten und Übertragungsverluste an den Durchführungen 12, 13, 14 und 15 zu minimieren . Um drahtlose fahrzeuginterne Verbindungen zuzulassen, wie Bluetooth, sind die Antennenelemente 31 und 32 in den Randbereichen der Antennenplatine 16 auf der Unterseite 29 der Antennenplatine 16 vorgesehen. Außerdem ist deshalb das Unterteil 18 bei dieser Ausführungsform der Erfindung, das mit Schnapplaschen 24 an den randseitigen Schnapphaken 23 des Oberteils 17 fixiert ist, aus Kunststoff hergestellt. The transceivers, receivers or tuners under the shield plates 33 are connected via vias through the antenna board 16 to the top 34 of the circuit board 16 and thus to matching circuits and to the feed points 25, 26, 27 and 28 of the antenna elements 4, 5, 6 and 7. Between the metallic and electrically conductive top 11 of the antenna box 8 and the top 34 of the antenna board 16 spacers 35 are arranged, which ensure that the arranged on the top 34 of the antenna board 16 matching circuits are not shorted or damaged by the metallic top of the antenna box 8 , The spacers are sized as small as possible to provide a coaxial coupling length across the feedthroughs 12, 13, 14 and 15 between the antenna elements 4, 5, 6 and 7 and the feed points 25, 26, 27 and 28 of the antenna board 16 as low as possible and to minimize transmission losses at the bushings 12, 13, 14 and 15. In order to allow wireless in-vehicle connections, such as Bluetooth, the antenna elements 31 and 32 are provided in the peripheral areas of the antenna board 16 on the underside 29 of the antenna board 16. In addition, therefore, the lower part 18 in this embodiment of the invention, which is fixed with snap tabs 24 on the peripheral snap hook 23 of the upper part 17, made of plastic.
Figur 2 zeigt eine Prinzipskizze eines Antennenmoduls 2 gemäß einer zweiten Ausführungsform der Erfindung. Komponenten mit gleichen Funktionen wie in Figur 1 werden mit gleichen Bezugszeichen gekennzeichnet und nicht extra erörtert. FIG. 2 shows a schematic diagram of an antenna module 2 according to a second embodiment of the invention. Components having the same functions as in FIG. 1 are identified by the same reference numerals and will not be discussed separately.
Der Unterschied der zweiten Ausführungsform der Erfindung gegenüber der in Figur 1 gezeigten ersten Ausführungsform der Erfindung besteht darin, dass nicht nur auf der Unterseite 29 der Antennenplatine 16 Abschirmbleche 33 vorgesehen sind, sondern zusätzlich auf der Oberseite 34 Schirmkammern 43 und 44 angeordnet sind, die Schaltungen aufweisen, welche mit den Einspeisepunkten 25, 26, 27 oder 28 der Antennenelemente 4, 5, 6 oder 7 zusammenwirken. The difference of the second embodiment of the invention over the first embodiment of the invention shown in Figure 1 is that not only on the bottom 29 of the antenna board 16 shielding plates 33 are provided, but in addition to the top 34 shielding chambers 43 and 44 are arranged, the circuits which cooperate with the feed points 25, 26, 27 or 28 of the antenna elements 4, 5, 6 or 7.
Figur 3 zeigt eine schematische perspektivische Ansicht eines der Antennenmodule 1 gemäß einer der vorhergehenden Ausführungsformen der Erfindung, wobei das Antennenmodul 1 einteilig aus drei Bereichen zusammengesteckt ist . Ein oberer Bereich weist die bereits erwähnte Außenabdeckung 3 auf, mit der das in Figur 3 gezeigte Antennenmodul 1 über ein Fahrzeugdach hinausragen kann. Diese Abdeckung 3 ist über Schnapphaken 23 mit der metallischen Oberseite 11 eines Oberteils 17 einer allseitig geschlossenen Antennenbox 8 verbunden, wobei die Antennenbox 8 zwischen einem Fahrzeugdach und einer Fahrzeugdachabdeckung im Innenraum 30 des Fahrzeugs vollständig angeordnet ist. Neben den Schnapphaken 23 der Außenabdeckung 3, die mit der metallischen Oberseite 11 des Oberteils 17 in Eingriff stehen, ist außerdem ein Fixierelement 48 vorgesehen, mit dem das Antennenmodul 1 in einer Öffnung eines Fahrzeugdaches lösbar fixiert werden kann. Zusätzlich weist die metallisch leitende Oberseite 11 des Oberteils 17 der Antennenbox 8 beidseitig von der Außenabdeckung 3 Koppelelemente 45 und 46 auf, mit denen eine elektrische Verbindung mit einer Unterseite eines Fahrzeugdaches ermöglicht wird, wobei diese Koppelelemente 45 und 46 aus elektrisch leitendem Schaummaterial hergestellt sein können, um Krümmungen des Fahrzeugdaches gegenüber der Oberseite der Antennenbox 8 auszugleichen und einen guten elektrischen Kontakt zwischen der metallischen Oberseite 11 der Antennenbox 8 und einer Unterseite eines Fahrzeugdaches herzustellen. Aus den Randbereichen der Antennenbox 8 ragen Steckverbinder 36 bis 42 heraus, an die Koaxialleitungen angeschlossen werden können, die zwischen Dachverkleidung und Fahrzeugdach über die Steckverbinder 36 bis 42 an die allseitig geschlossene Antennenbox 8 angeschlossen und elektrische Verbindungen zu den unterschiedlichen Empfangs-, Anzeige- oder Steuergeräten in dem Fahrzeug bereitstellen werden können. Dabei ist insbesondere der Steckverbinder 40 für digitale Schnittstellen vorgesehen. Figure 3 shows a schematic perspective view of one of the antenna modules 1 according to one of the preceding embodiments of the invention, wherein the antenna module 1 is integrally assembled from three areas. An upper region has the already mentioned outer cover 3, with which the antenna module 1 shown in FIG. 3 can project beyond a vehicle roof. This cover 3 is connected via snap hooks 23 with the metallic upper side 11 of an upper part 17 of a closed on all sides Antenna box 8 is connected, wherein the antenna box 8 is completely disposed between a vehicle roof and a vehicle roof cover in the interior 30 of the vehicle. In addition to the snap hooks 23 of the outer cover 3, which are in engagement with the metallic upper side 11 of the upper part 17, a fixing element 48 is also provided, with which the antenna module 1 can be releasably fixed in an opening of a vehicle roof. In addition, the metallically conductive upper side 11 of the upper part 17 of the antenna box 8 on both sides of the outer cover 3 coupling elements 45 and 46, which allows an electrical connection to a bottom of a vehicle roof, said coupling elements 45 and 46 may be made of electrically conductive foam material to compensate for curvatures of the vehicle roof opposite the top of the antenna box 8 and to establish good electrical contact between the metallic top 11 of the antenna box 8 and a bottom of a vehicle roof. From the edge regions of the antenna box 8 protrude connectors 36 to 42, can be connected to the coaxial cables connected between the roof panel and vehicle roof via the connector 36 to 42 to the antenna box 8 closed on all sides and electrical connections to the different receiving, display or Control devices can be provided in the vehicle. In particular, the connector 40 is provided for digital interfaces.
Figur 4 zeigt eine schematische perspektivische Ansicht des Antennenmoduls 1 gemäß Figur 3 nach Einbau in ein Kraftfahrzeug 50. Dazu ist in dem Fahrzeugdach 10 eine Öffnung 9 vorgesehen, durch welche die Außenabdeckung 3 des Antennenmoduls 1 hindurchragt, so dass die unter der aus einem Kunststoffmaterial bestehenden Außenabdeckung 3 angeordneten Antennenelemente über dem Fahrzeugdach 10 positioniert sind. Während ein Teil der Antennenelemente vertikal in Bezug auf das Fahrzeugdach 10 ausgerichtet ist, so dass sich eine finnenförmige Außenabdeckung 3 ergibt, können in einem dazu horizontal angeordneten Bereich 49 der Außenabdeckung 3 flache, nahezu guadratische Antennenelemente, wie beispielsweise Patch-Antennen für GPS oder SDARS Verbindungen angeordnet sein. FIG. 4 shows a schematic perspective view of the antenna module 1 according to FIG. 3 after installation in a motor vehicle 50. For this purpose, an opening 9 is provided in the vehicle roof 10, through which the outer cover 3 of the antenna module 1 protrudes, so that the lower part consists of a plastic material Outer cover 3 arranged antenna elements over the vehicle roof 10 are positioned. While a part of the antenna elements is vertically aligned with respect to the vehicle roof 10, so that a fin-shaped outer cover 3 results, in a horizontally disposed portion 49 of the outer cover 3 flat, almost square-wave antenna elements, such as patch antennas for GPS or SDARS Be arranged connections.
Die allseitig geschlossene Antennenbox 8 ist in Figur 4 mit gestrichelten Linien gekennzeichnet, um darzustellen, dass sie mit ihrer elektrisch leitenden metallischen Oberseite zwischen der Unterseite des Fahrzeugdaches 10 und einer Dachverkleidung angeordnet ist. Die Fahrtrichtung des Fahrzeugs 50 wird hier mit einem Pfeil F angedeutet, um zu zeigen, dass die Außenabdeckung 3 wie ein Teil einer Schwanzflosse bzw. wie einer Finne eines Fisches aus dem Fahrzeugdach 10 herausragt. The antenna box 8, which is closed on all sides, is identified by dashed lines in FIG. 4 in order to show that it is arranged with its electrically conductive metallic upper side between the underside of the vehicle roof 10 and a roof lining. The direction of travel of the vehicle 50 is here indicated by an arrow F to show that the outer cover 3 protrudes from the vehicle roof 10 like a part of a tail fin or a fish's fin.
Obwohl zumindest beispielhafte Ausführungsformen in der vorhergehenden Beschreibung gezeigt wurden, können verschiedene Än- derungen und Modifikationen vorgenommen werden. Die genannten Ausführungsformen sind lediglich Beispiele und nicht dazu vorgesehen, den Gültigkeitsbereich, die Anwendbarkeit oder die Konfiguration in irgendeiner Weise zu beschränken. Vielmehr stellt die vorhergehende Beschreibung dem Fachmann einen Plan zur Umsetzung zumindest beispielhafter Ausführungsformen zur Verfügung, wobei zahlreiche Änderungen in der Funktion und der Anordnung der beispielhaften Ausführungsformen beschriebenen Elementen gemacht werden können, ohne den Schutzbereich der angefügten Ansprüche und ihrer rechtlichen Äguivalente zu ver- lassen. Bezugs zeichenliste Although at least exemplary embodiments have been shown in the foregoing description, various changes and modifications may be made. The above embodiments are merely examples and are not intended to limit the scope, applicability, or configuration in any way. Rather, the foregoing description provides those skilled in the art with a blueprint for implementing at least exemplary embodiments, and many changes in the function and arrangement of the exemplary embodiments may be made without departing from the scope of the appended claims and their legal equivalents. Reference sign list
1 Antennenmodul (1.1 antenna module (1.
2 Antennenmodul (2.2 antenna module (2.
3 Außenabdeckung3 outer cover
4 Antennenelement4 antenna element
5 Antennenelement5 antenna element
6 Antennenelement6 antenna element
7 Antennenelement7 antenna element
8 Antennenbox8 antenna box
9 Öffnung 9 opening
10 Fahrzeugdach 10 vehicle roof
11 Oberseite 11 top
12 Durchführung 12 implementation
13 Durchführung13 implementation
14 Durchführung14 implementation
15 Durchführung15 implementation
16 Antennenplatine16 antenna board
17 Oberteil 17 upper part
18 Unterteil  18 lower part
19 Randseite  19 edge side
20 Randseite  20 edge side
21 Randseite  21 edge side
22 Randseite  22 edge side
23 Schnapphaken 23 snap hooks
24 Schnapplasche24 snap-in bag
25 Einspeisepunkt25 entry point
26 Einspeisepunkt26 entry point
27 Einspeisepunkt27 entry point
28 Einspeisepunkt28 entry point
29 Unterseite 29 bottom
30 Fahrzeuginnenraum 30 vehicle interior
31 Antennenelement31 antenna element
32 Antennenelement Abschirmbleche32 antenna element shielding
Oberseitetop
Abstandshalterspacer
SteckverbinderConnectors
SteckverbinderConnectors
SteckverbinderConnectors
SteckverbinderConnectors
SteckverbinderConnectors
SteckverbinderConnectors
SteckverbinderConnectors
SchirmkammerShielded chamber
SchirmkammerShielded chamber
Koppelelementcoupling element
Koppelelementcoupling element
Innenseiteinside
Fixierelementfixing
Bereich Area
Fahrzeug  vehicle
Fahrtrichtung direction of travel

Claims

Patentansprüche claims
Antennenmodul, das einteilig ist und mindestens ein außenseitiges Empfangs- und/oder Sendeantennenelement (4, 5, 6, 7), unter einer Außenabdeckung (3) aufweist, und eine Antennenbox (8) umfasst, die keine oder wenige innenseitige interne Antennen aufweist und elektronische Schaltungen einschließt, die mit den Antennenelementen (4 bis 7) zusammenwirken, wobei die Außenabdeckung (3) auf der Antennenbox (8) lösbar fixiert ist, und wobei die Antenna module which is in one piece and comprises at least one outside receiving and / or transmitting antenna element (4, 5, 6, 7), under an outer cover (3), and an antenna box (8) having no or few internal antennas inside and electronic circuits cooperating with the antenna elements (4 to 7), wherein the outer cover (3) is releasably fixed on the antenna box (8), and wherein the
Außenabdeckung (3) durch eine Öffnung (9) in einem Fahrzeugdach (10) aus dem Fahrzeugdach (10) herausragend anbringbar ist, und wobei die Antennenbox (8) allseitig geschlossen und unterhalb des Fahrzeugdaches (10) mit einer metallischen Oberseite (11) anbringbar ist, und wobei die metallische Oberseite (11) der Antennenbox (8) zu den außenseitigen Antennenelementen (4 bis 7) Durchführungen (12 bis 15) aufweist, und wobei über die Durchführungen (12 bis 15) die außenseitigen Antennenelemente (4 bis 7) in der Außenabdeckung (3) mit den Schaltungen innerhalb der allseitig geschlossenen Antennenbox (8) elektrisch gekoppelt sind.  Exterior cover (3) through an opening (9) in a vehicle roof (10) from the vehicle roof (10) is attachable outstanding, and wherein the antenna box (8) closed on all sides and below the vehicle roof (10) with a metallic top (11) attachable and wherein the metallic upper side (11) of the antenna box (8) to the outside antenna elements (4 to 7) has bushings (12 to 15), and via the bushings (12 to 15), the outside antenna elements (4 to 7) in the outer cover (3) are electrically coupled to the circuits inside the antenna box (8) which is closed on all sides.
2. Antennenmodul nach Anspruch 1, wobei in der Antennenbox mindestens eine Antennenplatine (16) mit den elektronischen2. Antenna module according to claim 1, wherein in the antenna box at least one antenna board (16) with the electronic
Schaltungen und mit den wenigen oder keinen innenseitigen Antennen angeordnet ist, und wobei auf dieser Circuits and with the few or no inside antennas is arranged, and being on this
Antennenplatine Antennenelemente (4,5,6,7 sowie 31 und 32) aufgelötet sind.  Antenna board antenna elements (4,5,6,7 and 31 and 32) are soldered.
3. Antennenmodul nach Anspruch 1 oder Anspruch 2, wobei die Antennenbox (8) ein Oberteil (17) und ein Unterteil (18) aufweist, und wobei das Oberteil (17) die metallische Oberseite (11) und Randseiten (19, 20) aufweist, die sich mit Randseiten (21, 22) des Unterteils (18) teilweise überlappen . 3. Antenna module according to claim 1 or claim 2, wherein the antenna box (8) has an upper part (17) and a lower part (18), and wherein the upper part (17) of the metallic Upper side (11) and edge sides (19, 20) which overlap partially with edge sides (21, 22) of the lower part (18).
Antennenmodul nach einem der vorhergehenden Ansprüche, wobei die Außenabdeckung (3) finnenförmig ausgebildet is und mit der Antennenbox (8) über Schnapphaken (23) und Schnapplaschen (24) mechanisch lösbar in Verbindung steht Antenna module according to one of the preceding claims, wherein the outer cover (3) is fin-shaped and is mechanically detachably connected to the antenna box (8) via snap hooks (23) and snap tabs (24)
Antennenmodul nach Anspruch 3 oder Anspruch 4, wobei die Durchführungen (12 bis 15) in der metallischen Oberseite (17) des Oberteils (17) koaxiale Durchführungen zu Einspeisepunkten (25 bis 28) der Antennenelemente (4 bis 7) in der gemeinsamen Außenabdeckung (3) aufweisen. Antenna module according to claim 3 or claim 4, wherein the bushings (12 to 15) in the metallic upper side (17) of the upper part (17) have coaxial feedthroughs to feed points (25 to 28) of the antenna elements (4 to 7) in the common outer cover (3 ) exhibit.
Antennenmodul nach einem der Ansprüche 2 bis 5, wobei auf der zum Fahrzeuginnenraum (30) hin ausgerichteten Antenna module according to one of claims 2 to 5, wherein on the vehicle interior (30) aligned towards
Unterseite (29) der Antennenplatine (16) innerhalb der Antennenbox (8) mindestens ein weiteres Antennenelement (31, 32) für eine fahrzeuginterne Kommunikation angeordnet ist . Bottom (29) of the antenna board (16) within the antenna box (8) at least one further antenna element (31, 32) is arranged for in-vehicle communication.
Antennenmodul nach einem der Ansprüche 2 bis 6, wobei auf der zum Fahrzeuginnenraum (30) hin ausgerichteten Antenna module according to one of claims 2 to 6, wherein on the vehicle interior (30) aligned towards
Unterseite (29) der Antennenplatine (16) innerhalb der Antennenbox (8) Verstärker- oder Underside (29) of the antenna board (16) within the antenna box (8) amplifier or
Antennenanpassungsschaltkreise, Transceiver, Empfänger oder Tuner angeordnet sind, die von Abschirmblechen (33) umgeben sind.  Antenna matching circuits, transceivers, receivers or tuners are arranged, which are surrounded by shielding plates (33).
Antennenmodul nach Anspruch 7, wobei die mindestens eine Antennenplatine (16) elektronische gedruckte Schaltkreise auf ihrer Oberseite (34) aufweist, und wobei die An antenna module according to claim 7, wherein the at least one antenna board (16) comprises electronic printed circuits on its upper surface (34), and wherein the
Antennenplatine (16) über Abstandshalter (35) an dem Oberteil (17) der Antennenbox (8) fixiert ist, und wobei die gedruckten Schaltkreise der Platinenoberseite (34) über Durchkontakte durch die Antennenplatine (16) mit den Verstärkerelementen, den Transceivern, den Tunern oder Empfängern auf der zum Fahrzeuginnenraum (30) hin ausgerichteten Unterseite (29) der Antennenplatine (16) elektrisch in Verbindung stehen. Antenna board (16) via spacers (35) on the Upper part (17) of the antenna box (8) is fixed, and wherein the printed circuit board top (34) via through contacts through the antenna board (16) with the amplifier elements, the transceivers, the tuners or receivers on the vehicle interior (30) aligned Bottom (29) of the antenna board (16) are electrically connected.
Antennenmodul nach einem der Ansprüche 1 bis 8, wobei Steckverbinder (36 bis 42) für CAN-BUS - Zuleitungen (controlled area network) , LIN - Verbindungen (local interconnect network), MOST - Anschlüsse (media oriented System transport), USB - Schnittstellen (universal serial bus), oder Ethernet - Zugänge aus den Randseiten (21, 22) des Unterteils (18) der Antennenbox (8) heraus und in den Fahrzeuginnenraum (30) zwischen Fahrzeugdach (10) und Dachverkleidung hineinragen und über die wenigstens ein Großteil der Kommunikation mit Endgeräten in dem Fahrzeug (50) erfolgt. Antenna module according to one of claims 1 to 8, wherein connectors (36 to 42) for CAN-BUS (controlled area network), LIN (local interconnect network) connections, MOST (media oriented system transport) connections, USB interfaces (Universal serial bus), or Ethernet accesses from the edge sides (21, 22) of the lower part (18) of the antenna box (8) out and into the vehicle interior (30) between the vehicle roof (10) and roof cladding protrude and over the at least a major part the communication with terminals in the vehicle (50) takes place.
10. Antennenmodul nach einem der Ansprüche 3 bis 9, wobei das Unterteil (18) der Antennenbox (8) ein elektrisch isolierendes Kunststoffmaterial aufweist. 10. Antenna module according to one of claims 3 to 9, wherein the lower part (18) of the antenna box (8) comprises an electrically insulating plastic material.
Antennenmodul nach einem der vorhergehenden Ansprüche, wobei das Antennenmodul (1, 2), mindestens vier in einem Fahrzeug anfallende Funkdienste aus der Gruppe: Antenna module according to one of the preceding claims, wherein the antenna module (1, 2), at least four in a vehicle resulting radio services from the group:
Telefon,  Phone,
AM/FM, (amplitude modulation system/freguency modulation System) ,  AM / FM, (amplitude modulation system / frequency modulation system),
DAB (digital audio broadcastingplayer ) ,  DAB (digital audio broadcasting player),
SDARS (satellite digital audio radio System), SDARS (satellite digital audio radio system),
GPS (global positioning System), GPS (global positioning system),
WLAN (wireless aria network),  WLAN (wireless aria network),
LTE 2x MIMO (long term evolution two times multiple input multiple Output), WIMAX (worldwide interoperability for microwave access ) , LTE 2x MIMO (long term evolution two times multiple input multiple outputs), WIMAX (worldwide interoperability for microwave access),
DRM (digital radio mondiale),  DRM (digital radio mondiale),
UMTS (universal mobile telecommunication System) , Bluetooth, (digital wireless data exchange),  UMTS (Universal Mobile Telecommunication System), Bluetooth, (Digital Wireless Data Exchange),
RKE (remote keyless entry) ,  RKE (remote keyless entry),
RSS (remote starting System),  RSS (remote starting system),
PÄSE (passive Start entry),  PÄSE (passive start entry),
VHS (vehicle heating System) ,  VHS (vehicle heating system),
C2C (car to car communication System),  C2C (car to car communication system),
ACC (automatic cruise control)  ACC (automatic cruise control)
TPMS (tire pressure monitoring System),  TPMS (tire pressure monitoring system),
zentral abdeckt 12. Antennenmodul nach Anspruch 11, wobei eine Telefon- und RKE-Antenne eine in die finnenförmige Außenabdeckung (3) hineinragende Platte aufweist, die senkrecht auf der Antennenbox (8) steht und in ihrem Fußbereich eine Aussparung aufweist, in der eine GPS-Antenne als  12. The antenna module according to claim 11, wherein a telephone and RKE antenna has a plate projecting into the fin-shaped outer cover (3), which stands perpendicular to the antenna box (8) and has a recess in its foot area, in which a GPS Antenna as
Patch-Antenne angeordnet ist.  Patch antenna is arranged.
13. Antennenmodul nach Anspruch 11 oder Anspruch 12, wobei eine GPS-Patchantenne auf einer außenseitigen Schirmkammer (43) auf dem Oberteil (17) der Antennenbox (8) angeordnet ist, die einen Verstärker- und/oder einen 13. Antenna module according to claim 11 or claim 12, wherein a GPS patch antenna on an outside screen chamber (43) on the upper part (17) of the antenna box (8) is arranged, the amplifier and / or a
Antennenanpassungsschaltkreis umschließt .  Antenna matching circuit encloses.
14. Antennenmodul nach einem der Ansprüche 11 bis 13, wobei eine SDARS-Antenne als Patchantenne beabstandet von der GPS-Patchantenne auf einer der außenseitigen Schirmkammern14. An antenna module according to any one of claims 11 to 13, wherein an SDARS antenna as a patch antenna is spaced from the GPS patch antenna on one of the outside screen chambers
(44) auf dem Oberteil (17) der Antennenbox (8) angeordnet ist, wobei die Schirmkammer (44) einen Verstärker und/oder einen Antennenanpassungsschaltkreis umschließt. 15. Antennenmodul nach einem der vorhergehenden Ansprüche, wobei die Oberseite (11) der Antennenbox (8) Koppelelemente (45, 46) aus metallischem Schaummaterial oder elektrisch leitendem Kunststoffschäum aufweist, mit denen die Oberseite (11) der Antennenbox (8) Krümmungen der (44) is disposed on the top (17) of the antenna box (8), the screen chamber (44) enclosing an amplifier and / or an antenna matching circuit. 15. Antenna module according to one of the preceding claims, wherein the upper side (11) of the antenna box (8) has coupling elements (45, 46) of metallic foam material or electrically conductive plastic foam with which the Top side (11) of the antenna box (8) bends the
Innenseite (47) eines Fahrzeugdaches (9) anpassbar ist.  Inside (47) of a vehicle roof (9) is adjustable.
16. Antennenmodul nach einem der vorhergehenden Ansprüche, wobei eine Antennenboxgröße an weitere Dienste und/oder weitere elektronische Schaltungen anpassbar ist. 16. Antenna module according to one of the preceding claims, wherein an antenna box size to other services and / or other electronic circuits is customizable.
17. Antennenmodul nach den vorhergehenden Ansprüchen, wobei die Antennenbox vorzugsweise Metall und/oder Kunststoff aufweist . 17. Antenna module according to the preceding claims, wherein the antenna box preferably comprises metal and / or plastic.
EP13722459.8A 2012-05-16 2013-05-15 Antenna module with transmitting and receiving antenna element Active EP2850691B1 (en)

Applications Claiming Priority (2)

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DE201210208303 DE102012208303B4 (en) 2012-05-16 2012-05-16 Antenna module with transmitting and receiving antenna element
PCT/EP2013/059985 WO2013171240A1 (en) 2012-05-16 2013-05-15 Antenna module having a transmitting and receiving antenna element

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EP2850691A1 true EP2850691A1 (en) 2015-03-25
EP2850691B1 EP2850691B1 (en) 2018-09-12

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US (1) US9966659B2 (en)
EP (1) EP2850691B1 (en)
JP (1) JP6009062B2 (en)
KR (1) KR102035370B1 (en)
DE (1) DE102012208303B4 (en)
WO (1) WO2013171240A1 (en)

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US20150123854A1 (en) 2015-05-07
DE102012208303B4 (en) 2014-05-15
KR102035370B1 (en) 2019-10-22
JP6009062B2 (en) 2016-10-19
KR20150022795A (en) 2015-03-04
JP2015516786A (en) 2015-06-11
US9966659B2 (en) 2018-05-08
DE102012208303A1 (en) 2013-11-21
EP2850691B1 (en) 2018-09-12
WO2013171240A1 (en) 2013-11-21

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