EP1903632A1 - Antenna module, in particular as a central transmission and/or receiver module for a vehicle, with several antennas and several transmission and receiver devices - Google Patents

Antenna module, in particular as a central transmission and/or receiver module for a vehicle, with several antennas and several transmission and receiver devices Download PDF

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Publication number
EP1903632A1
EP1903632A1 EP07010729A EP07010729A EP1903632A1 EP 1903632 A1 EP1903632 A1 EP 1903632A1 EP 07010729 A EP07010729 A EP 07010729A EP 07010729 A EP07010729 A EP 07010729A EP 1903632 A1 EP1903632 A1 EP 1903632A1
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EP
European Patent Office
Prior art keywords
antenna module
vehicle
antennas
module according
transceiver
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
EP07010729A
Other languages
German (de)
French (fr)
Other versions
EP1903632B1 (en
Inventor
Markus Aunkofer
Guy-Aymar Dr. Chakam
Philippe Fournet-Fayat
Thomas Gallner
Peter Malle
Johann Schneeberger
Christian Schneider
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Continental Automotive GmbH
Original Assignee
Siemens AG
Continental Automotive GmbH
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Application filed by Siemens AG, Continental Automotive GmbH filed Critical Siemens AG
Publication of EP1903632A1 publication Critical patent/EP1903632A1/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
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/088—Quick-releasable antenna elements
    • 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
    • H01Q1/27—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
    • 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
    • H01Q1/3291—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted in or on other locations inside the vehicle or vehicle body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • 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

Definitions

  • the invention relates to an antenna module according to the preamble of claim 1.
  • antenna modules are used in automotive engineering to radio services such as radio reception (analog, digital), television reception (analog, digital), GPS information, vehicle access control system, control of the immobilizer, release the engine start, making personal settings, interior monitoring, parking assistance, tire pressure monitoring, mobile radiotelephony (GMS bands, UMTS), auxiliary heating, remote start, Bluetooth, WLAN etc.
  • Such services are partially separated into off-board and in-vehicle services, the services also being transmitted on different frequencies (LF, HF) or bands.
  • some services require over-the-vehicle trans-boundary transmission, such as the communication between the ID transmitter (key) and the access control control unit, interior control and engine start or immobilizer control, to determine the exact position of a person and to take appropriate actions in the vehicle Dependence of the position trigger.
  • the arrangement of a plurality of antennas including any power supply (controllers and / or active antennas) and forwarding the transmitted signals requires increased cabling and is thus in today's increased number of existing services in the vehicle disadvantageously in the production and maintenance and any subsequent installation and repair time consuming and costly.
  • an exact electromagnetic separation of the antennas or their transmission or reception fields in the increased number of antennas is problematic.
  • the present invention is therefore an object of the invention to provide an antenna module, which avoids the aforementioned disadvantages and in a cost effective and simple way more services and at the same time reduces the cabling.
  • an antenna module has a plurality of antennas and a plurality of transmitting and / or receiving devices, which are integrated into the antenna module at least partially in the form of a central transceiver box.
  • the antenna module for example in the form of an antenna cassette, thus comprises at least part of the receiving and / or transmitting devices which are necessary for operating or controlling the individual antennas.
  • Such an antenna module can then advantageously be used in a vehicle, for example in the rear roof area or rear area as a central transmitting and / or receiving module, so that preferably all services in a vehicle can be operated with such an antenna module with minimal cabling.
  • the transceiver box has a modular structure and has standardized slots for receiving different transceiver modules.
  • the antenna module covers several, for example, at least two, three or more or all different services of the resulting in a vehicle radio services (RKE, PASE, DAB, TPMS, WLAN, SDARS, GPS, Bluetooth, GSM, UMTS, auxiliary heating, Remote start) centrally.
  • vehicle radio services RKE, PASE, DAB, TPMS, WLAN, SDARS, GPS, Bluetooth, GSM, UMTS, auxiliary heating, Remote start
  • the transceiver box comprises the several transmitting and / or receiving devices (so-called transceivers) completely, so that no additional electronics for controlling the antennas or for the transition to baseband is necessary.
  • the antenna module has a bus connection via which at least a major part of the communication with terminals in the vehicle takes place.
  • the cabling effort can be further reduced, the vehicle bus having to be correspondingly dimensioned for this (corresponding speed and bandwidth or corresponding cutoff frequency and data rate) in order to possibly improve the serviceability of the services via the antenna module using various diversity methods, such as, for example, and frequency division multiplexing.
  • the antenna module has an upper and lower part, each with a plurality of antennas, which are separated by a portion of the body of a vehicle and that the transceiver box is integrated in the upper or lower part, so that the body acts as a shielding ground surface ,
  • the antenna module in the lower part have a lower circuit board, which serves as an additional shield below the transceiver box.
  • the antenna module on several different antennas for different services.
  • individual services which need not necessarily be parallel or simultaneously, and for which time multiplexing or frequency multiplexing is out of the question, to provide only one common multiband-capable antenna.
  • the antenna module shown in Fig. 1 has on its outer side, for example on a vehicle roof, preferably in the middle rear area or at a vehicle rear, an external housing 1, for example in the form of a fin, which preferably an aerodynamic outer shape, ie a tapering in the direction of travel Form has.
  • an internal housing 5 for example by means of fastening bolts or nipples 11 is arranged on the inside of the corresponding location of the vehicle roof 3, which has a flat rectangular or any, preferably other flat shape, so that this internal housing 5 in rectangular, round or other shape between the car roof and the roof panel can be positioned.
  • the internal housing 5 on one of its narrow sides a bus terminal 7, for example, for a CAN, LIN, MOST or other future vehicle bus, which of course within the internal housing 5 in addition to the below electronics is a corresponding bus driver.
  • a bus terminal 7 for example, for a CAN, LIN, MOST or other future vehicle bus, which of course within the internal housing 5 in addition to the below electronics is a corresponding bus driver.
  • the internal housing 5 outwardly guided further leads out, for example in the form of spare connections 9 and connect depending on internal occupancy and design of the antenna module, the corresponding electronics and antennas with the terminals located in the vehicle.
  • the interior of the antenna module has an upper board 15 with arranged on the top outer antennas 13 of different design, said upper board 15 is disposed on the outside of the vehicle roof 3 and the external housing 1 against environmental influences, such as wind and weather, etc. is protected. Below the upper board 15 is located The vehicle roof not shown in detail in Fig. 3, which has at least one breakthrough in the size of a few mm for contacting the upper board 13.
  • this transceiver box 21 may in this case be integrated in a lower board 17, for example on its upper side, or be designed as an independent transceiver box 21 with, for example, additional shielding in the form of a housing 25.
  • the lower board 17 is, as shown in Fig. 3, in the internal housing 5, wherein on the underside of the lower board 17, as shown in Fig. 4, vehicle-internal antennas 19 are in different versions and, for example by means of through-hole with the the top of the board 17 located transceiver 21 are contacted.
  • the transceiver box 21 or its individual transmitting and / or receiving modules or transceiver modules 23 are also connected to the respective external antennas 13 via the aforementioned opening in the vehicle roof and corresponding through-connection of the upper board 15 in connection.
  • the transceiver box 21 has individual transceiver modules 23, which are preferably soldered in a circuit board at locations provided for this purpose or plugged into corresponding slots. Accordingly, it is already possible in the production of the antenna module to equip the transceiver box 21 depending on the equipment level and requirements of the future use accordingly with the necessary transceiver modules 23, without changing the basic structure of the transceiver box and the conductor therein or its layouts.
  • the antenna module according to the invention has a modular design, resulting in the possibility of re-configurability of the module (adjustment of the number of services).
  • the antenna module it is also, for example, by appropriate interconnection by means of known diversity processes (or antenna switches) of the internal antenna structures for in-vehicle services (eg tire pressure control, keyless vehicle start, Bluetooth and WLAN services) with the vehicle external antenna structures for off-board services (for example, vehicle access system, Remote engine start, remote activation heater), it is possible to represent with one antenna module optimal reception and transmission properties for the vehicle exterior and vehicle interior simultaneously.
  • known diversity processes or antenna switches
  • the internal antenna structures for in-vehicle services eg tire pressure control, keyless vehicle start, Bluetooth and WLAN services
  • vehicle external antenna structures for off-board services for example, vehicle access system, Remote engine start, remote activation heater
  • the antenna module according to the invention is also suitable for some services for a diversity method.
  • the antenna module according to the invention can be positioned centrally in a radio-service-strategic manner in a vehicle.
  • the antenna module in this case preferably contains all the necessary antennas and receivers and secures the connection to the control unit or to the terminals via the vehicle bus or by radio.
  • the module according to the invention can be in a structurally simple way services that are both indoor and outdoor to be possible, such as access control system (RKE) indoor and outdoor or different functionalities or services, which only outdoors or be held indoors only.
  • RKE access control system
  • the electrical and possibly additional mechanical coupling of the first antenna with the second antenna device also ensures that in a simple manner, a plurality of services in the outer and inner regions of the vehicle, in particular by means of diversity method, can be optimally fulfilled without this multiple transmitters, receivers or transceivers and arranged at different locations of the vehicle antennas are necessary, which naturally have an increased cabling.

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)

Abstract

The module has transmission and/or receiver devices partially integrated in a form of a central transceiver box in the module. The transceiver box is designed modular and has a standardized slot for receiving different transceiver components. A bus connection (7) is provided over which larger part of communication with a terminal takes places in a motor vehicle. The module centrally covers radio services such as digital audio broadcasting, wireless local area network, satellite digital audio radio service and global positioning system.

Description

Die Erfindung bezieht sich auf ein Antennenmodul gemäß dem Oberbegriff des Anspruchs 1. Derartige Antennenmodule finden in der Fahrzeugtechnik Anwendung, um Funkdienste wie Rundfunkempfang (analog, digital), Fernsehempfang (analog, digital), GPS-Information, Fahrzeugzugangskontrollsystem, Steuerung der Wegfahrsperre, Freigabe des Motorstarts, Vornahme von persönlichen Einstellungen, Innenraumüberwachung, Parkhilfe, Reifendruckkontrolle, Mobilfunktelephonie (GMS-Bänder, UMTS), Standheizung, Fernstart, Bluetooth, WLAN etc. zu ermöglichen.The invention relates to an antenna module according to the preamble of claim 1. Such antenna modules are used in automotive engineering to radio services such as radio reception (analog, digital), television reception (analog, digital), GPS information, vehicle access control system, control of the immobilizer, release the engine start, making personal settings, interior monitoring, parking assistance, tire pressure monitoring, mobile radiotelephony (GMS bands, UMTS), auxiliary heating, remote start, Bluetooth, WLAN etc.

Derartige Dienste erfolgen teilweise getrennt in fahrzeugexterne und fahrzeuginterne Dienste, wobei die Dienste auch auf unterschiedlichen Frequenzen (LF, HF) bzw. Bändern übertragen werden. Manche Dienste benötigen dagegen eine über die Fahrzeuggrenze wirkende übergreifende Übertragung, wie beispielsweise die Kommunikation zwischen ID-Geber (Schlüssel) und dem Steuergerät für die Zugangskontrolle, Innenraumüberwachung und Motorstart bzw. Steuerung der Wegfahrsperre, um die genaue Position einer Person festzustellen und entsprechende Aktionen in Abhängigkeit der Position auszulösen.Such services are partially separated into off-board and in-vehicle services, the services also being transmitted on different frequencies (LF, HF) or bands. On the other hand, some services require over-the-vehicle trans-boundary transmission, such as the communication between the ID transmitter (key) and the access control control unit, interior control and engine start or immobilizer control, to determine the exact position of a person and to take appropriate actions in the vehicle Dependence of the position trigger.

Um diese unterschiedlichen Dienste teils auf unterschiedlichen Frequenzen für den Fahrzeugaußenraum und Fahrzeuginnenraum zu ermöglichen, werden üblicherweise mehrere Antennen im Fahrzeug und außerhalb am Fahrzeug angeordnet.To enable these different services partly on different frequencies for the vehicle exterior and vehicle interior, usually several antennas in the vehicle and outside of the vehicle are arranged.

Die Anordnung einer Vielzahl von Antennen inklusive eventueller Stromversorgung (Steuergeräte und/oder aktive Antennen) und Weiterleitung der übertragenen Signale bedarf jedoch eines erhöhten Verkabelungsaufwandes und ist damit bei der heutigen erhöhten Anzahl von vorhandenen Diensten im Fahrzeug nachteiligerweise in der Fertigung sowie Wartung und etwaigen nachträglichen Installation und Reparatur zeit- und kostenintensiv. Zudem ist eine exakte elektromagnetische Trennung der Antennen bzw. deren Sende- bzw. Empfangsfelder bei der erhöhten Anzahl von Antennen problematisch.The arrangement of a plurality of antennas including any power supply (controllers and / or active antennas) and forwarding the transmitted signals, however, requires increased cabling and is thus in today's increased number of existing services in the vehicle disadvantageously in the production and maintenance and any subsequent installation and repair time consuming and costly. In addition, an exact electromagnetic separation of the antennas or their transmission or reception fields in the increased number of antennas is problematic.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Antennenmodul zu schaffen, welches die vorgenannten Nachteile vermeidet und auf kostengünstige und einfache Art und Weise mehrere Dienste erfüllt und gleichzeitig den Verkabelungsaufwand vermindert.The present invention is therefore an object of the invention to provide an antenna module, which avoids the aforementioned disadvantages and in a cost effective and simple way more services and at the same time reduces the cabling.

Diese Aufgabe wird erfindungsgemäß mit einem Antennenmodul mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved with an antenna module having the features of claim 1.

Erfindungsgemäß weist ein Antennenmodul mehreren Antennen und mehreren Sende- und/oder Empfangseinrichtungen auf, welche wenigstens teilweise in Form einer zentralen Transceiverbox in das Antennenmodul integriert sind. Das Antennenmodul, beispielsweise in Form einer Antennenkassette umfasst damit zumindest einen Teil der Empfangs- und/oder Sendeeinrichtungen, welche zum betreiben bzw. ansteuern der einzelnen Antennen notwendig sind.According to the invention, an antenna module has a plurality of antennas and a plurality of transmitting and / or receiving devices, which are integrated into the antenna module at least partially in the form of a central transceiver box. The antenna module, for example in the form of an antenna cassette, thus comprises at least part of the receiving and / or transmitting devices which are necessary for operating or controlling the individual antennas.

Ein derartiges Antennenmodul kann dann vorteilhafterweise in einem Fahrzeug, beispielsweise im hinteren Dachbereich oder Heckbereich als zentrales Sende- und/oder Empfangsmodul verwendet werden, so dass vorzugsweise alle in einem Fahrzeug anfallenden Dienste mit einem derartigen Antennenmodul mit minimalem Verkabelungsaufwand bedient werden können.Such an antenna module can then advantageously be used in a vehicle, for example in the rear roof area or rear area as a central transmitting and / or receiving module, so that preferably all services in a vehicle can be operated with such an antenna module with minimal cabling.

In bevorzugter Ausgestaltung der Erfindung ist die Transceiverbox modular aufgebaut und weist standardisierte Steckplätze für die Aufnahme unterschiedlicher Transceiverbausteine auf. Hierdurch ist es vorteilhafterweise möglich, insbesondere in der Herstellung und Ausrüstung der Fahrzeuge unterschiedlichen Ausgestaltungen (benötigte Dienste) Rechnung zu tragen, ohne dass ein Layout der Platinen, Ausgestaltung der Antennenkassette etc. geändert werden muss. Im Falle unterschiedlicher Anforderungen genügt es auf vorhandenen Steckplätzen die benötigten einzelnen Transceiverbausteine, beispielsweise in entsprechende Steckplätzen einer in der Transceiverbox vorhandenen Platine einzusetzen bzw. für ein Nachrüsten oder einen Umbau zu ersetzen oder wegzulassen.In a preferred embodiment of the invention, the transceiver box has a modular structure and has standardized slots for receiving different transceiver modules. As a result, it is advantageously possible, especially in the production and equipment of vehicles different configurations (required services) to take into account, without a layout of the boards, design of the Antenna cassette, etc. must be changed. In the case of different requirements, it suffices to use the required individual transceiver modules on existing slots, for example to insert them into corresponding slots of a board present in the transceiver box, or to replace or omit them for retrofitting or conversion.

In weiterer Ausgestaltung der Erfindung deckt das Antennenmodul mehrere, beispielsweise wenigstens zwei, drei oder mehr oder alle unterschiedliche Dienste der in einem Fahrzeug anfallenden Funkdienste (RKE, PASE, DAB, TPMS, WLAN, SDARS, GPS, Bluetooth, GSM, UMTS, Standheizung, Fernstart) zentral ab.In a further embodiment of the invention, the antenna module covers several, for example, at least two, three or more or all different services of the resulting in a vehicle radio services (RKE, PASE, DAB, TPMS, WLAN, SDARS, GPS, Bluetooth, GSM, UMTS, auxiliary heating, Remote start) centrally.

In bevorzugter Ausgestaltung der Erfindung umfasst die Transceiverbox die mehreren Sende- und/oder Empfangseinrichtungen (sogenannten Transceiver) vollständig, so dass keine zusätzliche Elektronik zur Ansteuerung der Antennen bzw. für den Übergang ins Basisband notwendig ist.In a preferred embodiment of the invention, the transceiver box comprises the several transmitting and / or receiving devices (so-called transceivers) completely, so that no additional electronics for controlling the antennas or for the transition to baseband is necessary.

In vorteilhafter Ausgestaltung der Erfindung weist das Antennenmodul einen Busanschluss auf, über den wenigstens ein Großteil der Kommunikation mit Endgeräten im Fahrzeug erfolgt. Hierdurch kann vorteilhafterweise der Verkabelungsaufwand weiter vermindert werden, wobei der Fahrzeugbus hierfür entsprechend dimensioniert (entsprechende Schnelligkeit und Bandbreite bzw. entsprechende Grenzfrequenz und Datenrate) sein muss, um die Funktionsfähigkeit der Dienste über das Antennenmodul eventuell unter Einsatz verschiedener Diversity-Verfahren, wie beispielsweise Zeit- und Frequenzmultiplexing, zu ermöglichen.In an advantageous embodiment of the invention, the antenna module has a bus connection via which at least a major part of the communication with terminals in the vehicle takes place. In this way, advantageously, the cabling effort can be further reduced, the vehicle bus having to be correspondingly dimensioned for this (corresponding speed and bandwidth or corresponding cutoff frequency and data rate) in order to possibly improve the serviceability of the services via the antenna module using various diversity methods, such as, for example, and frequency division multiplexing.

In besonderer Ausgestaltung der Erfindung weist das Antennenmodul einen oberen und unteren Teil mit jeweils mehreren Antennen auf, welche durch einen Bereich der Karosserie eines Fahrzeugs getrennt sind und dass die Transceiverbox in dem oberen oder unteren Teil integriert ist, so dass die Karosserie als abschirmende Massefläche wirkt. Zudem kann das Antennenmodul im unteren Teil eine untere Leiterplatte aufweisen, welche unterhalb der Transceiverbox als zusätzliche Abschirmung dient.In a particular embodiment of the invention, the antenna module has an upper and lower part, each with a plurality of antennas, which are separated by a portion of the body of a vehicle and that the transceiver box is integrated in the upper or lower part, so that the body acts as a shielding ground surface , In addition, the antenna module in the lower part have a lower circuit board, which serves as an additional shield below the transceiver box.

In bevorzugter Ausgestaltung der Erfindung weist das Antennenmodul mehrere jeweils unterschiedliche Antennen für unterschiedliche Dienste auf. Selbstverständlich ist es auch möglich zumindest für einzelne Dienste welchen nicht unbedingt parallel bzw. gleichzeitig erfolgen müssen und für die eine Zeit- oder Frequenzmultiplexing nicht in Frage kommen, nur eine gemeinsame multibandfähige Antennen vorzusehen.In a preferred embodiment of the invention, the antenna module on several different antennas for different services. Of course, it is also possible, at least for individual services which need not necessarily be parallel or simultaneously, and for which time multiplexing or frequency multiplexing is out of the question, to provide only one common multiband-capable antenna.

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Further advantageous embodiments of the invention will become apparent from the dependent claims.

Die Erfindung wird nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.The invention will be explained in more detail with reference to an embodiment shown in the drawing.

In der Zeichnung zeigen:

Fig. 1
eine schematische dreidimensionale Außenansicht auf ein externes Gehäuse eines erfindungsgemäßen Antennenmoduls;
Fig. 2
eine schematische dreidimensionale Unteransicht auf ein internes Gehäuse eines erfindungsgemäßen Antennenmoduls;
Fig. 3
eine schematische dreidimensionale Innenansicht eines erfindungsgemäßen Antennenmoduls ohne Fahrzeugdach;
Fig. 4
eine schematische Teilansicht einer Trägerplatte eines Antennenmoduls nach Fig. 1;
Fig. 5
eine schematische dreidimensionale Ansicht einer Transceiverbox.
In the drawing show:
Fig. 1
a schematic three-dimensional exterior view of an external housing of an antenna module according to the invention;
Fig. 2
a schematic three-dimensional view of an internal housing of an antenna module according to the invention;
Fig. 3
a schematic three-dimensional interior view of an antenna module according to the invention without a vehicle roof;
Fig. 4
a schematic partial view of a support plate of an antenna module of FIG. 1;
Fig. 5
a schematic three-dimensional view of a transceiver box.

Das in Fig. 1 dargestellte Antennenmodul weist an seiner Außenseite beispielsweise auf einem Fahrzeugdach, vorzugsweise im mittleren hinteren Bereich oder an einem Fahrzeugheck, ein externes Gehäuse 1, beispielsweise in Form einer Finne auf, welches vorzugsweise eine aerodynamische Außenform, also eine in Fahrtrichtung sich verjüngende Form aufweist.The antenna module shown in Fig. 1 has on its outer side, for example on a vehicle roof, preferably in the middle rear area or at a vehicle rear, an external housing 1, for example in the form of a fin, which preferably an aerodynamic outer shape, ie a tapering in the direction of travel Form has.

Unterhalb dieses externen Gehäuses 1 ist an der Innenseite der entsprechenden Stelle des Fahrzeugdachs 3 ein internes Gehäuse 5, beispielsweise mittels Befestigungsbolzen oder Nippel 11 angeordnet, welches eine flache rechteckige oder beliebige, vorzugsweise andere flache Form aufweist, so dass dieses interne Gehäuse 5 in rechteckiger, runder oder sonstiger Form zwischen dem Autodach und der Dachverkleidung positioniert werden kann.Below this external housing 1, an internal housing 5, for example by means of fastening bolts or nipples 11 is arranged on the inside of the corresponding location of the vehicle roof 3, which has a flat rectangular or any, preferably other flat shape, so that this internal housing 5 in rectangular, round or other shape between the car roof and the roof panel can be positioned.

Wie in Fig. 2 dargestellt, weist das interne Gehäuse 5 an einer seiner Schmalseiten einen Bus-Anschluss 7, beispielsweise für einen CAN, LIN, MOST oder anderen zukünftigen Fahrzeug-Bus auf, wobei selbstverständlich innerhalb des internen Gehäuses 5 sich zusätzlich zur im Folgenden erläuterten Elektronik ein entsprechender Bustreiber befindet. Zudem können in dem internen Gehäuse 5 nach außen geführte, weitere Anschlüsse, beispielsweise in Form von Reserveanschlüssen 9 herausführen und je nach interner Belegung und Ausführung des Antennenmoduls die entsprechenden Elektroniken und Antennen mit dem im Fahrzeug befindlichen Endgeräten verbinden.As shown in Fig. 2, the internal housing 5 on one of its narrow sides a bus terminal 7, for example, for a CAN, LIN, MOST or other future vehicle bus, which of course within the internal housing 5 in addition to the below electronics is a corresponding bus driver. In addition, in the internal housing 5 outwardly guided, further leads out, for example in the form of spare connections 9 and connect depending on internal occupancy and design of the antenna module, the corresponding electronics and antennas with the terminals located in the vehicle.

Wie in Fig. 3 dargestellt, allerdings aus Gründen der Übersichtlichkeit ohne den jeweiligen Teilbereich des Fahrzeugdachs, weist das Innenleben des Antennenmoduls eine obere Platine 15 mit an der Oberseite angeordneten Außenantennen 13 unterschiedlicher Ausgestaltung auf, wobei diese obere Platine 15 außen am Fahrzeugdach 3 angeordnet ist und vom externen Gehäuse 1 gegen Umwelteinflüsse, wie Wind und Wetter, etc. geschützt wird. Unterhalb der oberen Platine 15 befindet sich das in Fig. 3 nicht näher dargestellte Fahrzeugdach, welches zur Kontaktierung der oberen Platine 13 wenigstens einen Durchbruch in der Größe von wenigen mm aufweist.As shown in Fig. 3, but for reasons of clarity without the respective portion of the vehicle roof, the interior of the antenna module has an upper board 15 with arranged on the top outer antennas 13 of different design, said upper board 15 is disposed on the outside of the vehicle roof 3 and the external housing 1 against environmental influences, such as wind and weather, etc. is protected. Below the upper board 15 is located The vehicle roof not shown in detail in Fig. 3, which has at least one breakthrough in the size of a few mm for contacting the upper board 13.

Unterhalb dieses Bereichs des Fahrzeugdachs befindet sich eine in Fig. 3 durch die obere Platine 15 abgedeckte Transceiverbox 21, wie sie in Fig. 5 dargestellt ist. Diese Transceiverbox 21 kann hierbei in einer Ausführungsform in einer unteren Platine 17, beispielsweise auf deren Oberseite integriert sein oder als eigenständige Transceiverbox 21 mit beispielsweise zusätzlicher Abschirmung in Form eines Gehäuses 25 ausgebildet sein. Die untere Platine 17 befindet sich, wie in Fig. 3 dargestellt, im internen Gehäuse 5, wobei an der Unterseite der unteren Platine 17 sich, wie in Fig. 4 dargestellt, fahrzeuginterne Antennen 19 in unterschiedlichen Ausführungen befinden und beispielsweise mittels Durchkontaktierung mit der an der Oberseite der Platine 17 befindlichen Transceiverbox 21 kontaktiert werden.Below this area of the vehicle roof there is a transceiver box 21 covered in FIG. 3 by the upper board 15, as shown in FIG. In one embodiment, this transceiver box 21 may in this case be integrated in a lower board 17, for example on its upper side, or be designed as an independent transceiver box 21 with, for example, additional shielding in the form of a housing 25. The lower board 17 is, as shown in Fig. 3, in the internal housing 5, wherein on the underside of the lower board 17, as shown in Fig. 4, vehicle-internal antennas 19 are in different versions and, for example by means of through-hole with the the top of the board 17 located transceiver 21 are contacted.

Die Transceiverbox 21 bzw. dessen einzelne Sende- und/oder Empfangsbausteine bzw. Transceiverbausteine 23 stehen zudem mit den jeweiligen Außenantennen 13 über dem vorgenannten Durchbruch im Fahrzeugdach und entsprechende Durchkontaktierung der oberen Platine 15 in Verbindung.The transceiver box 21 or its individual transmitting and / or receiving modules or transceiver modules 23 are also connected to the respective external antennas 13 via the aforementioned opening in the vehicle roof and corresponding through-connection of the upper board 15 in connection.

Wie in Fig. 5 dargestellt, weist die Transceiverbox 21 einzelne Transceiverbausteine 23 auf, welche vorzugsweise in einer Leiterplatte an hierfür vorgesehenen Stellen eingelötet oder in entsprechende Steckplätze eingesteckt werden. Entsprechend ist es bereits bei der Herstellung des Antennenmoduls möglich, die Transceiverbox 21 je nach Ausrüstungsstand und Anforderungen des zukünftigen Verwendungszweckes entsprechend mit den hierfür notwendigen Transceiverbausteinen 23 auszurüsten, ohne die Grundstruktur der Transceiverbox und der sich darin befindlichen Leiterbahn bzw. dessen Layouts zu ändern.As shown in FIG. 5, the transceiver box 21 has individual transceiver modules 23, which are preferably soldered in a circuit board at locations provided for this purpose or plugged into corresponding slots. Accordingly, it is already possible in the production of the antenna module to equip the transceiver box 21 depending on the equipment level and requirements of the future use accordingly with the necessary transceiver modules 23, without changing the basic structure of the transceiver box and the conductor therein or its layouts.

Ebenso ist es möglich, an der Platine 17 die hier angeordneten fahrzeuginternen Antennen über entsprechende Steckplätze ebenso wie die obere Platine mit unterschiedlichen fahrzeuginternen Antennen 19 bzw. fahrzeugexternen Antennen 13 zu bestücken, um das Antennenmodul an den entsprechenden Verwendungszweck optimal und kostengünstig anzupassen. Wie vorstehend erläutert, besitzt das erfindungsgemäße Antennenmodul eine Modularität im Aufbau, wodurch sich die Möglichkeit der Re-Konfigurierbarkeit des Moduls (Anpassung der Anzahl von Diensten) ergibt.It is also possible, on the board 17, the vehicle-mounted antennas arranged here via corresponding slots as well as the upper board with different in-vehicle antennas 19 and vehicle external antennas 13 to equip the antenna module to the appropriate purpose optimally and inexpensively. As explained above, the antenna module according to the invention has a modular design, resulting in the possibility of re-configurability of the module (adjustment of the number of services).

Durch die Gruppierung der Empfänger und/oder Sender in der unmittelbaren Nähe der Antennenstrukturen ergibt sich eine direkte Kopplung der Antennen und der Empfänger und/oder Sender und eine Reduktion der Anzahl der Koaxialkabel oder deren vollständige Eliminierung.By grouping the receivers and / or transmitters in the immediate vicinity of the antenna structures results in a direct coupling of the antennas and the receiver and / or transmitter and a reduction in the number of coaxial cables or their complete elimination.

Durch das erfindungsgemäße Antennenmodul ist es zudem beispielsweise durch entsprechende Verschaltung mittels bekannter Diversity-Verfahren (oder Antennenweichen) der internen Antennenstrukturen für fahrzeuginterne Dienste (beispielsweise Reifendruckkontrolle, schlüsselloser Fahrzeugstart, Bluetooth- und WLAN Dienste) mit den fahrzeugexternen Antennenstrukturen für fahrzeugexterne Dienste (beispielsweise Fahrzeugzugangssystem, Motorfernstart, Fernaktivierung Standheizung) ist es möglich, mit nur einem Antennenmodul optimale Empfangs- und Sendeeigenschaften für den Fahrzeugaußen- und Fahrzeuginnenbereich gleichzeitig darzustellen.By the antenna module according to the invention it is also, for example, by appropriate interconnection by means of known diversity processes (or antenna switches) of the internal antenna structures for in-vehicle services (eg tire pressure control, keyless vehicle start, Bluetooth and WLAN services) with the vehicle external antenna structures for off-board services (for example, vehicle access system, Remote engine start, remote activation heater), it is possible to represent with one antenna module optimal reception and transmission properties for the vehicle exterior and vehicle interior simultaneously.

Durch die räumliche Trennung der fahrzeuginternen und fahrzeugexternen Antennen sind diese durch das Autodach und die Massefläche der Empfängerplatine abgeschirmt, was zu einer geringen direkten gegenseitigen Beeinflussung der Antennen bzw. guten elektromagnetischen Isolation der Einzelantennen führt. Durch die elektromagnetische und räumliche Trennung eignet sich das erfindungsgemäße Antennenmodul bei einigen Diensten zudem für ein Diversity-Verfahren.Due to the spatial separation of the in-vehicle and out-of-vehicle antennas they are shielded by the car roof and the ground surface of the receiver board, resulting in a low direct mutual interference of the antennas or good electromagnetic isolation of the individual antennas. Due to the electromagnetic and spatial separation, the antenna module according to the invention is also suitable for some services for a diversity method.

Wie vorstehend erläutert, kann das erfindungsgemäße Antennenmodul zentral funkdienststrategisch in einem Fahrzeug positioniert werden. Das Antennenmodul enthält hierbei vorzugsweise alle notwendigen Antennen und Empfänger und sichert die Anbindung an das Steuergerät oder an die Endgeräte über den Fahrzeug-Bus oder per Funk.As explained above, the antenna module according to the invention can be positioned centrally in a radio-service-strategic manner in a vehicle. The antenna module in this case preferably contains all the necessary antennas and receivers and secures the connection to the control unit or to the terminals via the vehicle bus or by radio.

Durch das erfindungsgemäße Modul können auf bauliche einfache Art und Weise Dienste, welche sowohl im Innen- wie im Außenbereich möglich sein sollen, wie beispielsweise Zugangskontrollsystem (RKE) im Innen- wie im Außenbereich oder auch unterschiedliche Funktionalitäten bzw. Dienste, welche nur im Außenbereich oder nur im Innenbereich stattfinden, ermöglicht werden. Durch die elektrische und eventuell zusätzliche mechanische Kopplung der ersten mit der zweiten Antenneneinrichtung ist zudem gewährleistet, dass auf einfache Art und Weise eine Vielzahl von Diensten im Außen- und Innenbereich des Fahrzeugs, insbesondere mittels Diversity-Verfahren, optimal erfüllt werden können, ohne dass hierfür mehrere Sender, Empfänger bzw. Transceiver und an verschiedenen Stellen des Fahrzeugs angeordnete Antennen notwendig sind, welche naturgemäß einen erhöhten Verkabelungsaufwand besitzen.By the module according to the invention can be in a structurally simple way services that are both indoor and outdoor to be possible, such as access control system (RKE) indoor and outdoor or different functionalities or services, which only outdoors or be held indoors only. The electrical and possibly additional mechanical coupling of the first antenna with the second antenna device also ensures that in a simple manner, a plurality of services in the outer and inner regions of the vehicle, in particular by means of diversity method, can be optimally fulfilled without this multiple transmitters, receivers or transceivers and arranged at different locations of the vehicle antennas are necessary, which naturally have an increased cabling.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
externes Gehäuseexternal housing
33
Fahrzeugdach bzw. mittlerer HeckbereichVehicle roof or middle rear area
55
internes Gehäuseinternal housing
77
Busanschlussbus connection
99
Reserveanschlüssereserve connections
1111
Befestigungsbolzen bzw. -nippelMounting bolt or nipple
1313
Außenantenneoutside aerial
1515
obere, fahrzeugexterne Platineupper, vehicle-external board
1717
untere, fahrzeuginterne Platinelower, in-vehicle board
1919
fahrzeuginterne Antennein-vehicle antenna
2121
Transceiverboxtransceiver box
2323
Transceiver bzw. Sende- und/oder EmpfangseinrichtungTransceiver or transmitting and / or receiving device
2525
Abschirmungsgehäuse der TransceiverboxShielding housing of the transceiver box

Claims (8)

Antennenmodul, insbesondere als zentrales Sende- und/oder Empfangsmodul für ein Fahrzeug, mit mehreren Antennen (13, 19) und mehreren Sende- und/oder Empfangseinrichtungen (23),
dadurch gekennzeichnet, dass
die mehreren Sende- und/oder Empfangseinrichtungen (23) wenigstens teilweise in Form einer zentralen Transceiverbox (21) in das Antennenmodul integriert sind.Antenna module, in particular as a central transmitting and / or receiving module for a vehicle, with a plurality of antennas (13, 19) and a plurality of transmitting and / or receiving devices (23),
characterized in that
the plurality of transmitting and / or receiving devices (23) are at least partially integrated in the antenna module in the form of a central transceiver box (21). Antennenmodul nach Anspruch 1, dadurch gekennzeichnet, dass die Transceiverbox (21) modular aufgebaut ist und standardisierte Steckplätze für die Aufnahme unterschiedlicher Transceiverbausteine (23) aufweist.Antenna module according to claim 1, characterized in that the transceiver box (21) is modular and has standardized slots for receiving different transceiver modules (23). Antennenmodul nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Antennenmodul wenigstens zwei in einem Fahrzeug anfallende unterschiedliche Funkdienste (RKE, PASE, DAB, TPMS, WLAN, SDARS, GPS, Bluetooth, GSM, UMTS, Standheizung, Fernstart) zentral abdeckt.Antenna module according to claim 1 or 2, characterized in that the antenna module covers at least two in a vehicle different radio services (RKE, PASE, DAB, TPMS, WLAN, SDARS, GPS, Bluetooth, GSM, UMTS, auxiliary heating, remote start) centrally. Antennenmodul nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Transceiverbox (21) die mehreren Sende- und/oder Empfangseinrichtungen (23) vollständig umfasst.Antenna module according to one of the preceding claims, characterized in that the transceiver box (21) completely covers the plurality of transmitting and / or receiving devices (23). Antennenmodul nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Antennenmodul einen Busanschluss (7) aufweist, über den wenigstens ein Großteil der Kommunikation mit Endgeräten im Fahrzeug erfolgt.Antenna module according to one of the preceding claims, characterized in that the antenna module has a bus connection (7) via which at least a major part of the communication with terminals in the vehicle takes place. Antennenmodul nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Antennenmodul einen oberen (1) und unteren Teil (5) mit jeweils mehreren Antennen (13, 19) aufweist, welche durch einen Bereich der Karosserie (3) eines Fahrzeugs getrennt sind und dass die Transceiverbox (21) in dem oberen (1) oder unteren Teil (5) integriert ist, so dass die Karosserie (3) als abschirmende Massefläche wirkt.Antenna module according to one of the preceding claims, characterized in that the antenna module has an upper (1) and lower part (5) each having a plurality of antennas (13, 19) which are separated by a portion of the body (3) of a vehicle and that the transceiver box (21) is integrated in the upper (1) or lower part (5) so that the body (3) acts as a shielding ground surface. Antennenmodul nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Antennenmodul im unteren Teil (5) eine untere Leiterplatte (17) aufweist, welche unterhalb der Transceiverbox (21) als zusätzliche Abschirmung dient.Antenna module according to one of the preceding claims, characterized in that the antenna module in the lower part (5) has a lower printed circuit board (17) which serves as an additional shield below the transceiver box (21). Antennenmodul nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Antennenmodul mehrere unterschiedliche Antennen (13, 19) für unterschiedliche Dienste aufweist.Antenna module according to one of the preceding claims, characterized in that the antenna module has a plurality of different antennas (13, 19) for different services.
EP07010729A 2006-05-30 2007-05-30 Antenna module, in particular as a central transmission and/or receiver module for a vehicle, with several antennas and several transmission and receiver devices Revoked EP1903632B1 (en)

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DE102006025176.8A DE102006025176C5 (en) 2006-05-30 2006-05-30 Antenna module for a vehicle

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EP1903632B1 EP1903632B1 (en) 2011-01-26

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EP07010730A Revoked EP1863119B1 (en) 2006-05-30 2007-05-30 Antenna module, in particular as a central transmission and/or receiver module for a vehicle, with several antennas

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EP1863119B1 (en) 2011-01-26
EP1903632B1 (en) 2011-01-26
FR2901920B1 (en) 2010-09-24
US20070279304A1 (en) 2007-12-06
US8614645B2 (en) 2013-12-24
DE502007006354D1 (en) 2011-03-10
DE102006025176C5 (en) 2023-02-23
DE102006025176A1 (en) 2007-12-06
US8319693B2 (en) 2012-11-27
DE102006025176B4 (en) 2016-05-25
DE502007006348D1 (en) 2011-03-10
FR2901920A1 (en) 2007-12-07
US20130076577A1 (en) 2013-03-28

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