EP3465818B1 - Communication device for a diagnostic system of a motor vehicle - Google Patents

Communication device for a diagnostic system of a motor vehicle Download PDF

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Publication number
EP3465818B1
EP3465818B1 EP17728458.5A EP17728458A EP3465818B1 EP 3465818 B1 EP3465818 B1 EP 3465818B1 EP 17728458 A EP17728458 A EP 17728458A EP 3465818 B1 EP3465818 B1 EP 3465818B1
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EP
European Patent Office
Prior art keywords
antenna
communication device
printed circuit
circuit board
transmitting
Prior art date
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Active
Application number
EP17728458.5A
Other languages
German (de)
French (fr)
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EP3465818A1 (en
Inventor
Tomas Rutfors
Martin Rojahn
Lars Sodan
Stefan Westin
Joachim Doden
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of EP3465818A1 publication Critical patent/EP3465818A1/en
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Publication of EP3465818B1 publication Critical patent/EP3465818B1/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
    • H01Q1/325—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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/35—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • 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
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H01Q1/2275—Supports; Mounting means by structural association with other equipment or articles used with computer equipment associated to expansion card or bus, e.g. in PCMCIA, PC cards, Wireless USB

Definitions

  • the invention relates to a communication device for a diagnostic system of a motor vehicle according to the preamble of claim 1.
  • communication devices In order to be able to wirelessly transmit data recorded by a diagnostic system of the motor vehicle and the position of the motor vehicle, in particular during the driving operation of a motor vehicle, communication devices according to the preamble of claim 1 are already known from the prior art.
  • a communication device can be connected with a connector to a vehicle-side counter element in the form of a socket, the socket being arranged, for example, in the footwell area of the motor vehicle and located behind a flap or in a separate compartment largely protected from external environmental influences.
  • the known communication devices have at least two antennas, a first antenna as a cellular antenna and a second Antenna is designed as a navigation antenna, in particular as a GPS antenna.
  • a first antenna as a cellular antenna
  • a second Antenna is designed as a navigation antenna, in particular as a GPS antenna.
  • the outer border of the socket is trapezoidal.
  • the communication device In order to allow the communication device to remain permanently in the motor vehicle without restricting, for example, the footwell, it is essential that the communication device, on the one hand, is as compact as possible, and, on the other hand, that the arrangement of the mobile radio antenna in particular is such that even under unfavorable transmission or transmission conditions Reception conditions a reliable data transmission is made possible.
  • the communication device should be used as possible for different vehicles so that a manufacturer of the Communication devices can produce these with the smallest possible variety of types.
  • the communication devices known from the prior art are not yet optimally designed both with regard to the most compact structure possible and the most reliable or secure data transmission via the cellular radio antenna. In particular, there is a conflict of objectives between the desire for the most compact structure possible for the communication device and the best possible transmission and reception characteristics of the mobile radio antenna.
  • a diagnostic device which comprises two antennas and an OBD connector.
  • "Foseal Bluetooth OBD2 Bluetooth Car Diagnostic Scan Tool for Android Devices” (XP055396597) then discloses a Bluetooth diagnostic device with an OBD connector.
  • the invention is based on the object of developing a communication device for a diagnostic system of a motor vehicle according to the preamble of claim 1 in such a way that, with the communication device as compact as possible, secure and reliable data transmission is made possible, in particular via the cellular antenna.
  • this object is achieved in a communication device for a diagnostic system of a motor vehicle with the features of claim 1.
  • the invention is based on the idea of being able to meet the contradicting structural design requirements of the communication device by combining a particularly space-saving arrangement of at least one circuit board in the housing of the communication device in conjunction with a special arrangement of the mobile radio antenna.
  • This is achieved according to the invention in that, on the one hand, the at least one circuit board of the communication device is arranged perpendicular to the connection areas of the connection pins facing the vehicle-side socket in the connection plug area of the housing on the other hand, the two antennas (cellular radio antenna and navigation antenna) are arranged on the side of the at least one circuit board facing away from the connection pins, and that the antenna acting as a cellular radio antenna is arranged on an end region of the housing opposite the connection pins.
  • Such a structural arrangement of the at least one circuit board and the two antennas makes it possible on the one hand to achieve optimized reception and transmission properties of the antennas by arranging the antennas on the end area of the housing facing away from the connector, and on the other hand by arranging the circuit board perpendicular to the Connection pins to realize a housing which is very compact in height and which can be arranged, for example, in a cavity in the footwell of the motor vehicle that can be closed by a cover.
  • An optimization of the transmission and reception properties of the cellular antenna while minimizing the installation space of the housing is achieved if the transmitting and receiving surface of the cellular antenna is preferably arranged parallel to the at least one circuit board and in the immediate vicinity of an end wall of the housing.
  • the cross-sectional area of which at least essentially does not protrude beyond the cross-section of the connector plug of the housing it is proposed to distribute the electronic components required to operate the communication device on two parallel printed circuit boards and the second antenna , which serves as a navigation antenna, to be arranged within an outer circumferential contour of the first antenna (mobile radio antenna) on the facing side of the circuit boards.
  • the transmitting and receiving surface of the first antenna is connected to a circuit board via connection areas protruding in the direction of a circuit board.
  • connection areas which serve to connect the first transmission and reception area of the first antenna to the circuit board, are at least partially as second transmitting and receiving surfaces are formed.
  • Such a design is made possible by enlarging the area of the connection areas. Since these connection areas are arranged in a direction running perpendicular to the first transmitting and receiving surface of the first antenna or perpendicular to the printed circuit boards, such connection areas enlarged in area do not require any additional installation space that increases the cross-section of the housing.
  • the connector area of the housing, the circumferential contour of the housing surrounding the two antennas and the transmitting and receiving surface of the first antenna each have a trapezoidal outer contour.
  • the second antenna serving as a navigation antenna differs from the larger first antenna serving as a mobile radio antenna with its first
  • the transmission and reception area is covered, the transmission and reception properties of the second antenna are impaired.
  • the first antenna is in the area of the first transmission and reception area, as is known per se, has a slot.
  • the arrangement of the second antenna is advantageously implemented in order to achieve the stated aim in that the second antenna is arranged at least partially in alignment with the slot.
  • the communication device described so far has a particularly compact structure, as desired.
  • this has the disadvantage during assembly or, in particular, during dismantling of the communication device or its housing on the vehicle-side socket that the housing of the communication device is often difficult to grasp by an operator or that for detaching the communication device from the vehicle-side socket required release forces are very difficult to transfer to the housing.
  • the invention provides that a through opening is formed between the two antennas in a direction parallel to the circuit boards in the housing, which is delimited by a through element.
  • Such a through opening makes it possible, for example, to pass an auxiliary element in the form of a screwdriver, a wire or the like through the housing in order to be able to apply a greater tensile force to the housing in the release direction from the vehicle-side socket via the auxiliary element. It is of course provided that by a corresponding design of the passage element, for example made of a correspondingly hard or solid plastic, damage to the housing is at least largely avoided in order to enable multiple use of the communication device.
  • the passage element is designed to be light-guiding at least in some areas.
  • a light-guiding design is made possible, for example, by using a transparent plastic material or by light channels.
  • the light-guiding design of the passage element makes it possible to signal to the operator, for example via a light-emitting diode or the like arranged on the circuit board, whether, for example, the communication device is correctly contacted with the vehicle-side socket. This is signaled, for example, by a green light that can be recognized by the operator via the passage element. If necessary, other optical signals, which can be deciphered accordingly, can also be transmitted via the optically conductive passage element.
  • a spacer frame can be arranged between the two circuit boards and the two circuit boards rest against the opposite end faces.
  • an electronic module connected to the circuit board for the two antennas is arranged between the through opening and the circuit board facing the first antenna (cellular antenna) is.
  • a first communication device 10 for a diagnostic system of a motor vehicle is shown.
  • the communication device 10 is part of a so-called OBD2 (onboard diagnosis) system, in particular in connection with a vehicle-side socket or a vehicle-side mating connector, not shown, which is arranged, for example, in the footwell of the vehicle.
  • OBD2 onboard diagnosis
  • the communication device 10 is used to transmit data provided by the diagnostic system of the motor vehicle to external locations by radio and to determine the position of the vehicle with the aid of satellites and, if necessary, also to transmit the corresponding position data.
  • the communication device 10 has a housing 11, in particular made of plastic, which essentially consists of two housing sections 12, 13.
  • the first housing section 12, serving as a connector, is designed in particular to be connected to the socket on the vehicle side.
  • the first housing section 12 has a connector border 15, in particular with a trapezoidal cross-section, which is designed in the Fig. 5 to include recognizable connection pins 16.
  • the connection pins 16 have protruding into corresponding socket-like counter-openings of the counter-connector Connection areas 17 which are pin-shaped, preferably with a rectangular cross-section.
  • the connection areas 17 of the connection pins 16 run parallel to an assembly direction 24 of the housing section 12 to the mating connector on the vehicle.
  • the area of the first housing section 12 facing away from the vehicle-side mating connector or socket is followed by the second housing section 13, which is used to accommodate the electronics of the communication device 10.
  • the second housing section 13 is also provided with an outer circumferential contour 18 which is trapezoidal in cross section and which, for example, protrudes somewhat beyond the outer circumferential contour or the connector border 15 of the first housing section 12.
  • connection pins 16 Within the second housing section 13, two circuit carriers arranged parallel to one another in the form of printed circuit boards 21, 22 for receiving electronic components 23 are arranged, which also run perpendicular to the connection areas 17 of the connection pins 16.
  • the first printed circuit board 21 facing the first housing section 12 serves at the same time for fastening or contacting the connection pins 16.
  • the first antenna 25 is designed as a mobile radio antenna and has a first transmitting and receiving surface 28, which is also trapezoidal in accordance with the circumferential contour 18 of the second housing section 13 with a small distance therefrom.
  • the first transmission and reception surface 28 of the first antenna 25, which is essential for the function or the transmission and reception properties, is at the maximum distance from the second printed circuit board 22 on the end area 30 of the housing 11 facing away from the connection pins 16 or the first housing section 12 arranged, the first transmitting and receiving surface 28 running parallel to and close to the end wall 27 of the second housing section 13 facing away from the first housing section 12.
  • a slot 29 formed in the area of the first transmitting and receiving surface 28 serves to fine-tune the transmitting and receiving properties of the first antenna 25.
  • connection areas 33 facing the first transmitting and receiving surface 28 are designed to be enlarged in terms of their width and thus their area, in such a way that these areas act as second transmitting and receiving areas 38, 39.
  • the second antenna 26 which is designed as a navigation antenna, in particular as a GPS antenna, is arranged to the side of the module 35.
  • the second antenna 26 is also connected to the module 35 in a current-conducting manner and is arranged in overlap or in alignment with a partial area 41 of the slot 29. Furthermore, the second antenna 26 is arranged within the circumferential contour 34 of the first transmitting and receiving surface 28.
  • a preferably light-conducting, through element 45 made of (transparent) plastic is arranged in the housing 11.
  • the passage element 45 forms a passage opening 46 which runs parallel to the two circuit boards 21, 22 or perpendicular to the extension of the connection pins 16.
  • a spacer frame 48 is arranged, on the two opposite end faces 49, 50 of which the circuit boards 21, 22 rest.
  • the two circuit boards 21, 22 are axially braced against the first housing section 12 of the housing 11 by means of clamp elements 51, 52 made of sheet metal.
  • the second communication device 10a shown differs from the communication device 10 in that the size of the passage element 45a between the module 35 and the first transmitting and receiving surface 28 is reduced and has a trapezoidal cross-section in the extension of the passage opening 46a.

Landscapes

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

Description

Stand der TechnikState of the art

Die Erfindung betrifft eine Kommunikationseinrichtung für ein Diagnosesystem eines Kraftfahrzeugs nach dem Oberbegriff des Anspruchs 1.The invention relates to a communication device for a diagnostic system of a motor vehicle according to the preamble of claim 1.

Um insbesondere während des Fahrbetriebs eines Kraftfahrzeugs von einem Diagnosesystem des Kraftfahrzeugs erfasste Daten sowie die Position des Kraftfahrzeugs drahtlos übermitteln zu können, sind aus dem Stand der Technik bereits Kommunikationseinrichtungen nach dem Oberbegriff des Anspruchs 1 bekannt. Eine derartige Kommunikationseinrichtung ist mit einem Anschlussstecker an ein fahrzeugseitiges Gegenelement in Form einer Buchse verbindbar, wobei die Buchse beispielsweise im Fußraumbereich des Kraftfahrzeugs angeordnet und hinter einer Klappe oder in einem vor äußeren Umwelteinflüssen weitgehend geschützten separaten Fach angeordnet ist. Um einerseits die relevanten Daten des Diagnosesystems über ein Mobilfunknetz drahtlos übertragen zu können, und andererseits gleichzeitig die Position des Fahrzeugs ermitteln und ggf. ebenfalls übertragen zu können, weisen die bekannten Kommunikationseinrichtungen wenigstens zwei Antennen auf, wobei eine erste Antenne als Mobilfunkantenne, und eine zweite Antenne als Navigationsantenne, insbesondere als GPS-Antenne, ausgebildet ist. Die äußere Einfassung der Buchse ist bei einem derartigen Onboard-Diagnosesystem, welches auch als OBD2-System bekannt ist, trapezförmig ausgebildet. Um einen dauernden Verbleib der Kommunikationseinrichtung in dem Kraftfahrzeug ohne Beeinschränkung beispielsweise des Fußraumes realisieren zu können, ist es wesentlich, dass die Kommunikationseinrichtung einerseits einen möglichst kompakten Aufbau aufweist, und dass andererseits die Anordnung insbesondere der Mobilfunkantenne derart ist, dass auch unter ungünstigen Sende- bzw. Empfangsbedingungen eine zuverlässige Datenübertragung ermöglicht wird. Darüber hinaus soll die Kommunikationseinrichtung möglichst für unterschiedliche Fahrzeuge verwendbar sein, damit ein Hersteller der Kommunikationseinrichtungen diese mit einer möglichst geringen Typenvielfalt herstellen kann. Die aus dem Stand der Technik bekannten Kommunikationseinrichtungen sind sowohl hinsichtlich des möglichst kompakten Aufbaus, als auch der möglichst zuverlässigen bzw. sicheren Datenübertragung über die Mobilfunkantenne noch nicht optimal ausgebildet. Insbesondere besteht ein Zielkonflikt zwischen dem Wunsch eines möglichst kompakten Aufbaus der Kommunikationseinrichtung und einer möglichst guten Sende- sowie Empfangscharakteristik der Mobilfunkantenne.In order to be able to wirelessly transmit data recorded by a diagnostic system of the motor vehicle and the position of the motor vehicle, in particular during the driving operation of a motor vehicle, communication devices according to the preamble of claim 1 are already known from the prior art. Such a communication device can be connected with a connector to a vehicle-side counter element in the form of a socket, the socket being arranged, for example, in the footwell area of the motor vehicle and located behind a flap or in a separate compartment largely protected from external environmental influences. In order, on the one hand, to be able to transmit the relevant data of the diagnostic system wirelessly via a cellular network, and, on the other hand, to simultaneously determine the position of the vehicle and, if necessary, also to be able to transmit it, the known communication devices have at least two antennas, a first antenna as a cellular antenna and a second Antenna is designed as a navigation antenna, in particular as a GPS antenna. In such an onboard diagnostic system, which is also known as an OBD2 system, the outer border of the socket is trapezoidal. In order to allow the communication device to remain permanently in the motor vehicle without restricting, for example, the footwell, it is essential that the communication device, on the one hand, is as compact as possible, and, on the other hand, that the arrangement of the mobile radio antenna in particular is such that even under unfavorable transmission or transmission conditions Reception conditions a reliable data transmission is made possible. In addition, the communication device should be used as possible for different vehicles so that a manufacturer of the Communication devices can produce these with the smallest possible variety of types. The communication devices known from the prior art are not yet optimally designed both with regard to the most compact structure possible and the most reliable or secure data transmission via the cellular radio antenna. In particular, there is a conflict of objectives between the desire for the most compact structure possible for the communication device and the best possible transmission and reception characteristics of the mobile radio antenna.

Aus den Offenlegungsschriften CN104942437 A1 , US2012/326943 A1 und US2014/067491 A1 ist jeweils eine Diagnosevorrichtung bekannt, welche zwei Antennen und einen OBD Anschluss umfasst. "Foseal Bluetooth OBD2 Bluetooth Car Diagnostic Scan Tool for Android Devices" (XP055396597) offenbart dann eine Bluetooth Diagnosevorrichtung mit einem OBD Anschluss.From the disclosure documents CN104942437 A1 , US2012 / 326943 A1 and US2014 / 067491 A1 a diagnostic device is known which comprises two antennas and an OBD connector. "Foseal Bluetooth OBD2 Bluetooth Car Diagnostic Scan Tool for Android Devices" (XP055396597) then discloses a Bluetooth diagnostic device with an OBD connector.

Offenbarung der ErfindungDisclosure of the invention

Ausgehend von dem dargestellten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Kommunikationseinrichtung für ein Diagnosesystem eines Kraftfahrzeugs nach dem Oberbegriff des Anspruchs 1 derart weiterzubilden, dass bei möglichst kompaktem Aufbau der Kommunikationseinrichtung eine sichere und zuverlässige Datenübermittlung insbesondere über die Mobilfunkantenne ermöglicht wird.Based on the prior art presented, the invention is based on the object of developing a communication device for a diagnostic system of a motor vehicle according to the preamble of claim 1 in such a way that, with the communication device as compact as possible, secure and reliable data transmission is made possible, in particular via the cellular antenna.

Diese Aufgabe wird erfindungsgemäß bei einer Kommunikationseinrichtung für ein Diagnosesystem eines Kraftfahrzeugs mit den Merkmalen des Anspruchs 1 gelöst.According to the invention, this object is achieved in a communication device for a diagnostic system of a motor vehicle with the features of claim 1.

Der Erfindung liegt die Idee zugrunde, durch eine Kombination einer besonders raumsparenden Anordnung wenigstens einer Leiterplatte in dem Gehäuse der Kommunikationseinrichtung in Verbindung mit einer speziellen Anordnung der Mobilfunkantenne die einander hinsichtlich der konstruktiven Auslegung widersprechenden Anforderungen an die Kommunikationseinrichtung erfüllen zu können. Dies wird erfindungsgemäß dadurch erreicht, dass einerseits die wenigstens eine Leiterplatte der Kommunikationseinrichtung senkrecht zu den der fahrzeugseitigen Buchse zugewandten Anschlussbereichen der Anschlusspins im Anschlusssteckerbereich des Gehäuses angeordnet ist, dass andererseits die beiden Antennen (Mobilfunkantenne und Navigationsantenne) auf der den Anschlusspins abgewandten Seite der wenigstens einen Leiterplatte angeordnet sind, und dass die als Mobilfunkantenne wirkende Antenne an einem den Anschlusspins gegenüberliegenden Endbereich des Gehäuses angeordnet ist. Eine derartige konstruktive Anordnung der wenigstens einen Leiterplatte und der beiden Antennen ermöglicht es einerseits, durch die Anordnung der Antennen an den dem Anschlussstecker abgewandten Endbereich des Gehäuses optimierte Empfangs- bzw. Sendeeigenschaften der Antennen zu realisieren, und andererseits durch die Anordnung der Leiterplatte senkrecht zu den Anschlusspins ein in der Höhe sehr kompakt bauendes Gehäuse zu realisieren, das beispielsweise in einem von einem Deckel verschließbaren Hohlraum im Fußraum des Kraftfahrzeugs angeordnet werden kann.The invention is based on the idea of being able to meet the contradicting structural design requirements of the communication device by combining a particularly space-saving arrangement of at least one circuit board in the housing of the communication device in conjunction with a special arrangement of the mobile radio antenna. This is achieved according to the invention in that, on the one hand, the at least one circuit board of the communication device is arranged perpendicular to the connection areas of the connection pins facing the vehicle-side socket in the connection plug area of the housing on the other hand, the two antennas (cellular radio antenna and navigation antenna) are arranged on the side of the at least one circuit board facing away from the connection pins, and that the antenna acting as a cellular radio antenna is arranged on an end region of the housing opposite the connection pins. Such a structural arrangement of the at least one circuit board and the two antennas makes it possible on the one hand to achieve optimized reception and transmission properties of the antennas by arranging the antennas on the end area of the housing facing away from the connector, and on the other hand by arranging the circuit board perpendicular to the Connection pins to realize a housing which is very compact in height and which can be arranged, for example, in a cavity in the footwell of the motor vehicle that can be closed by a cover.

Vorteilhafte Weiterbildungen der erfindungsgemäßen Kommunikationseinrichtung für ein Diagnosesystem eines Kraftfahrzeugs sind in den Unteransprüchen aufgeführt.Advantageous further developments of the communication device according to the invention for a diagnostic system of a motor vehicle are listed in the subclaims.

Eine Optimierung der Sende- und Empfangseigenschaften der Mobilfunkantenne bei Minimierung des Bauraums des Gehäuses wird erzielt, wenn die Sende- und Empfangsfläche der Mobilfunkantenne vorzugsweise parallel zu der wenigstens einen Leiterplatte und in unmittelbarer Nähe zu einer Abschlusswand des Gehäuses angeordnet ist.An optimization of the transmission and reception properties of the cellular antenna while minimizing the installation space of the housing is achieved if the transmitting and receiving surface of the cellular antenna is preferably arranged parallel to the at least one circuit board and in the immediate vicinity of an end wall of the housing.

Um ein besonders kompakt bauendes Gehäuse ausbilden zu können, dessen Querschnittsfläche zumindest im Wesentlichen nicht über den Querschnitt des Anschlusssteckers des Gehäuses herausragt, wird vorgeschlagen, die zum Betrieb der Kommunikationseinrichtung erforderlichen elektronischen Bauteile auf zwei, parallel zueinander angeordneten Leiterplatten zu verteilen, und die zweite Antenne, die als Navigationsantenne dient, innerhalb einer äußeren Umfangskontur der ersten Antenne (Mobilfunkantenne) auf der zugewandten Seite der Leiterplatten anzuordnen.In order to be able to form a particularly compact housing, the cross-sectional area of which at least essentially does not protrude beyond the cross-section of the connector plug of the housing, it is proposed to distribute the electronic components required to operate the communication device on two parallel printed circuit boards and the second antenna , which serves as a navigation antenna, to be arranged within an outer circumferential contour of the first antenna (mobile radio antenna) on the facing side of the circuit boards.

Um den Abstand zwischen einer Leiterplatte und der ersten, als Mobilfunkantenne dienenden Antenne zu überbrücken, um dadurch eine Anordnung der zweiten Antenne (Navigationsantenne) in dem Zwischenraum zwischen der Leiterplatte und der ersten Antenne zu ermöglichen, und gleichzeitig eine möglichst einfache Anbindung der ersten Antenne an die Leiterplatte zu ermöglichen, ist es vorgesehen, dass die Sende- und Empfangsfläche der ersten Antenne über in Richtung einer Leiterplatte ragende Anschlussbereiche mit einer Leiterplatte verbunden ist.To bridge the distance between a circuit board and the first antenna serving as a mobile radio antenna, thereby enabling the second antenna (navigation antenna) to be arranged in the space between the circuit board and the first antenna, and At the same time, to enable the simplest possible connection of the first antenna to the circuit board, it is provided that the transmitting and receiving surface of the first antenna is connected to a circuit board via connection areas protruding in the direction of a circuit board.

Da die erste Antenne mit ihrer Sende- und Empfangsfläche aus Gründen des kompakten Aufbaus maximal lediglich etwas über die äußere Kontur des Anschlusssteckers herausragt, weist die Sende- und Empfangsfläche der ersten Antenne eine relativ kleine Fläche zum Senden bzw. Empfangen auf. Um diese relativ kleine Fläche dahingehend zu optimieren, dass verbesserte Sende- bzw. Empfangseigenschaften ermöglicht werden, wird in Weiterbildung der Erfindung vorgeschlagen, dass die Anschlussbereiche, die zum Verbinden der ersten Sende- und Empfangsfläche der ersten Antenne mit der Leiterplatte dienen, zumindest bereichsweise als zweite Sende- und Empfangsfläche ausgebildet sind. Eine derartige Ausbildung wird durch eine flächenmäßige Vergrößerung der Anschlussbereiche ermöglicht. Da diese Anschlussbereiche in einer senkrecht zur ersten Sende- und Empfangsfläche der ersten Antenne bzw. senkrecht zu den Leiterplatten verlaufenden Richtung angeordnet sind, benötigen derartige, in der Fläche vergrößerte Anschlussbereiche keinen zusätzlichen, den Querschnitt des Gehäuses vergrößernden Bauraum.Since the first antenna with its transmitting and receiving surface only protrudes a little beyond the outer contour of the connector for reasons of its compact design, the transmitting and receiving surface of the first antenna has a relatively small surface for transmitting and receiving. In order to optimize this relatively small area in such a way that improved transmission and reception properties are made possible, it is proposed in a further development of the invention that the connection areas, which serve to connect the first transmission and reception area of the first antenna to the circuit board, are at least partially as second transmitting and receiving surfaces are formed. Such a design is made possible by enlarging the area of the connection areas. Since these connection areas are arranged in a direction running perpendicular to the first transmitting and receiving surface of the first antenna or perpendicular to the printed circuit boards, such connection areas enlarged in area do not require any additional installation space that increases the cross-section of the housing.

Insbesondere in Verbindung mit OBD2-Anwendungen ist es vorgesehen, dass der Anschlusssteckerbereich des Gehäuses, die die beiden Antennen umgebende Umfangskontur des Gehäuses sowie die Sende- und Empfangsfläche der ersten Antenne jeweils eine trapezförmige Außenkontur aufweisen. Damit wird eine mit Blick auf den Querschnitt des Gehäuses optimierte Bauform geschaffen, bei der es beispielsweise je nach Ausbildung der fahrzeugseitigen Buchse für die Verbindung mit dem Anschlussstecker der Kommunikationseinrichtung möglich ist, das Gehäuse der Kommunikationseinrichtung in einem Bereich außerhalb des Anschlusssteckers teilweise innerhalb der Kontur der Buchse anzuordnen, falls der der Buchse zugewandte Bereich des Gehäuses keine größere Umfangsfläche aufweist als die entsprechende Aufnahmekontur der Buchse am Fahrzeug.In particular in connection with OBD2 applications, it is provided that the connector area of the housing, the circumferential contour of the housing surrounding the two antennas and the transmitting and receiving surface of the first antenna each have a trapezoidal outer contour. This creates an optimized design with a view to the cross section of the housing, in which it is possible, for example, depending on the design of the vehicle-side socket for connection to the connector of the communication device, the housing of the communication device in an area outside the connector partially within the contour of the To arrange the socket if the area of the housing facing the socket does not have a larger circumferential surface than the corresponding receiving contour of the socket on the vehicle.

Dadurch, dass die als Navigationsantenne dienende zweite Antenne von der größeren, als Mobilfunkantenne dienenden ersten Antenne mit ihrer ersten Sende- und Empfangsfläche überdeckt ist, werden die Sende- bzw. Empfangseigenschaften der zweiten Antenne verschlechtert. Um aufgrund der aus raumökonomischen Gründen gewollten Anordnung der beiden Antennen trotzdem relativ gute Sende- bzw. Empfangseigenschaften der zweiten Antenne (Navigationsantenne) zu ermöglichen, ist es vorgesehen, dass die erste Antenne im Bereich der ersten Sende- und Empfangsfläche, wie an sich bekannt, einen Schlitz aufweist. Die Anordnung der zweiten Antenne wird vorteilhafterweise zur Erreichung des genannten Ziels dadurch realisiert, dass die zweite Antenne zumindest teilweise fluchtend zum Schlitz angeordnet ist. Dadurch wird trotz der ersten Sende- und Empfangsfläche der ersten Antenne eine relativ gute Sende- und Empfangsmöglichkeit für die erste Antenne durch die freie Empfangs- und Sendemöglichkeit im Bereich des Schlitzes ermöglicht.The fact that the second antenna serving as a navigation antenna differs from the larger first antenna serving as a mobile radio antenna with its first The transmission and reception area is covered, the transmission and reception properties of the second antenna are impaired. In order to nevertheless enable relatively good transmission and reception properties of the second antenna (navigation antenna) due to the desired arrangement of the two antennas for reasons of space economy, it is provided that the first antenna is in the area of the first transmission and reception area, as is known per se, has a slot. The arrangement of the second antenna is advantageously implemented in order to achieve the stated aim in that the second antenna is arranged at least partially in alignment with the slot. As a result, despite the first transmission and reception area of the first antenna, a relatively good transmission and reception possibility for the first antenna is made possible by the free reception and transmission possibility in the area of the slot.

Die soweit beschriebene Kommunikationseinrichtung weist wunschgemäß einen besonders kompakten Aufbau auf. Dies hat jedoch bei der Montage bzw. insbesondere bei der Demontage der Kommunikationseinrichtung bzw. deren Gehäuse an der fahrzeugseitigen Buchse den Nachteil, dass das Gehäuse der Kommunikationseinrichtung von einem Bediener oftmals nur schwer zu greifen ist bzw. die zum Lösen der Kommunikationseinrichtung von der fahrzeugseitigen Buchse erforderlichen Lösekräfte nur sehr schwierig auf das Gehäuse zu übertragen sind. Um diesen Nachteil im Handling aufgrund des kompakten Aufbaus des Gehäuses der Kommunikationseinrichtung auszugleichen, ist es erfindungsgemäß vorgesehen, dass zwischen den beiden Antennen in einer parallel zu den Leiterplatten verlaufenden Richtung in dem Gehäuse eine Durchgangsöffnung ausgebildet ist, die von einem Durchgangselement begrenzt ist. Eine derartige Durchgangsöffnung ermöglicht es, beispielsweise ein Hilfselement in Form eines Schraubendrehers, eines Drahts oder ähnlichem durch das Gehäuse hindurchzuführen, um damit über das Hilfselement eine größere Zugkraft auf das Gehäuse in Löserichtung von der fahrzeugseitigen Buchse aufbringen zu können. Dabei ist es selbstverständlich vorgesehen, dass durch eine entsprechende Ausgestaltung des Durchgangselements, beispielsweise aus einem entsprechend harten bzw. festen Kunststoff, eine Beschädigung des Gehäuses zumindest weitgehend vermieden wird, um eine mehrmalige Verwendung der Kommunikationseinrichtung ermöglichen zu können.The communication device described so far has a particularly compact structure, as desired. However, this has the disadvantage during assembly or, in particular, during dismantling of the communication device or its housing on the vehicle-side socket that the housing of the communication device is often difficult to grasp by an operator or that for detaching the communication device from the vehicle-side socket required release forces are very difficult to transfer to the housing. In order to compensate for this disadvantage in handling due to the compact construction of the housing of the communication device, the invention provides that a through opening is formed between the two antennas in a direction parallel to the circuit boards in the housing, which is delimited by a through element. Such a through opening makes it possible, for example, to pass an auxiliary element in the form of a screwdriver, a wire or the like through the housing in order to be able to apply a greater tensile force to the housing in the release direction from the vehicle-side socket via the auxiliary element. It is of course provided that by a corresponding design of the passage element, for example made of a correspondingly hard or solid plastic, damage to the housing is at least largely avoided in order to enable multiple use of the communication device.

In ganz besonders bevorzugter Ausgestaltung ist es vorgesehen, dass das Durchgangselement zumindest bereichsweise lichtleitend ausgebildet ist. Eine derartige lichtleitende Ausbildung wird z.B. durch eine Verwendung eines transparenten Kunststoffmaterials oder durch Lichtkanäle ermöglicht. Die lichtleitende Ausbildung des Durchgangselements ermöglicht es, beispielsweise über eine auf der Leiterplatte angeordnete Leuchtdiode oder ähnlichem dem Bediener zu signalisieren, ob beispielsweise die Kommunikationseinrichtung richtig mit der fahrzeugseitigen Buchse kontaktiert ist. Dies wird beispielsweise durch ein grünes, von dem Bediener über das Durchgangselement erkennbares Licht signalisiert. Auch können ggf. andere optische Signale, die entsprechend dechiffriert werden können, über das optisch leitende Durchgangselement übermittelt werden.In a very particularly preferred embodiment, it is provided that the passage element is designed to be light-guiding at least in some areas. Such a light-guiding design is made possible, for example, by using a transparent plastic material or by light channels. The light-guiding design of the passage element makes it possible to signal to the operator, for example via a light-emitting diode or the like arranged on the circuit board, whether, for example, the communication device is correctly contacted with the vehicle-side socket. This is signaled, for example, by a green light that can be recognized by the operator via the passage element. If necessary, other optical signals, which can be deciphered accordingly, can also be transmitted via the optically conductive passage element.

Zur lagerichtigen Positionierung der beiden Leiterplatten und zur Vermeidung von auf die Leiterplatten wirkenden Biegespannungen kann es vorgesehen sein, dass zwischen den beiden Leiterplatten ein Abstandsrahmen angeordnet ist, an dessen gegenüberliegend angeordneten Stirnseiten die beiden Leiterplatten anliegen.In order to position the two circuit boards in the correct position and to avoid bending stresses acting on the circuit boards, a spacer frame can be arranged between the two circuit boards and the two circuit boards rest against the opposite end faces.

Zur weiteren Reduzierung der Baugröße des Gehäuses der Kommunikationseinrichtung sowie zur Möglichkeit der Verwendung standardisierter elektronischer Baugruppen kann es darüber hinaus vorgesehen sein, dass zwischen der Durchgangsöffnung und der der ersten Antenne (Mobilfunkantenne) zugewandten Leiterplatte ein mit der Leiterplatte verbundenes elektronisches Modul für die beiden Antennen angeordnet ist.To further reduce the size of the housing of the communication device and to enable the use of standardized electronic assemblies, it can also be provided that an electronic module connected to the circuit board for the two antennas is arranged between the through opening and the circuit board facing the first antenna (cellular antenna) is.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung.Further advantages, features and details of the invention emerge from the following description of preferred exemplary embodiments and on the basis of the drawing.

Diese zeigt in:

Fig. 1
eine in teilweise transparenter Darstellung gezeigte erste Kommunikationseinrichtung für ein Diagnosesystem eines Kraftfahrzeugs in perspektivischer Ansicht,
Fig. 2
eine teilweise geschnittene Seitenansicht auf die Kommunikationseinrichtung gemäß Fig. 1,
Fig. 3
eine perspektivische Ansicht auf die Anordnung zweier Antennen der Kommunikationseinrichtung gemäß der Fig. 1 und 2 mit lediglich teilweiser Darstellung des Gehäuses der Kommunikationseinrichtung,
Fig. 4
in teilweise transparenter Darstellung eine zweite Kommunikationseinrichtung für ein Diagnosesystem eines Kraftfahrzeugs mit gegenüber Fig. 1 verkleinerter Durchgangsöffnung in seinem oberen Gehäusebereich in perspektivischer Darstellung und
Fig. 5
eine Darstellung zur Verdeutlichung der Anordnung der beiden Antennen der Kommunikationseinrichtung gemäß Fig. 4 in perspektivischer Darstellung.
This shows in:
Fig. 1
a first communication device, shown in a partially transparent representation, for a diagnostic system of a motor vehicle in a perspective view,
Fig. 2
a partially sectioned side view of the communication device according to FIG Fig. 1 ,
Fig. 3
a perspective view of the arrangement of two antennas of the communication device according to FIG Fig. 1 and 2 with only partial representation of the housing of the communication device,
Fig. 4
in a partially transparent representation, a second communication device for a diagnostic system of a motor vehicle with opposite Fig. 1 reduced through opening in its upper housing area in a perspective view and
Fig. 5
a representation to clarify the arrangement of the two antennas of the communication device according to FIG Fig. 4 in perspective view.

Gleiche Elemente bzw. Elemente mit gleicher Funktion sind in den Figuren mit den gleichen Bezugsziffern versehen.The same elements or elements with the same function are provided with the same reference numbers in the figures.

In den Fig. 1 bis 3 ist eine erste Kommunikationseinrichtung 10 für ein Diagnosesystem eines Kraftfahrzeugs gezeigt. Die Kommunikationseinrichtung 10 ist insbesondere in Verbindung mit einer fahrzeugseitigen Buchse bzw. einem nicht gezeigten fahrzeugseitigen Gegenstecker, der beispielsweise im Fußraum des Kraftfahrzeugs angeordnet ist, Bestandteil eines sogenannten OBD2 (Onboard-Diagnose) - Systems. Dabei dient die Kommunikationseinrichtung 10 dazu, auf dem Funkweg Daten, die das Diagnosesystem des Kraftfahrzeugs bereitstellt, an externe Stellen zu übermitteln sowie die Position des Fahrzeugs satellitengestützt zu bestimmen und die entsprechenden Positionsdaten ggf. ebenfalls zu übermitteln.In the Figs. 1 to 3 a first communication device 10 for a diagnostic system of a motor vehicle is shown. The communication device 10 is part of a so-called OBD2 (onboard diagnosis) system, in particular in connection with a vehicle-side socket or a vehicle-side mating connector, not shown, which is arranged, for example, in the footwell of the vehicle. The communication device 10 is used to transmit data provided by the diagnostic system of the motor vehicle to external locations by radio and to determine the position of the vehicle with the aid of satellites and, if necessary, also to transmit the corresponding position data.

Die Kommunikationseinrichtung 10 weist ein insbesondere aus Kunststoff bestehendes Gehäuse 11 auf, das im Wesentlichen aus zwei Gehäuseabschnitten 12, 13 besteht. Der erste, als Anschlußstecker dienende Gehäuseabschnitt 12 ist insbesondere dazu ausgebildet, mit der fahrzeugseitigen Buchse verbunden zu werden. Hierzu weist der erste Gehäuseabschnitt 12 eine insbesondere im Querschnitt trapezförmige Steckerumrandung 15 auf, die dazu ausgebildet ist, in der Fig. 5 erkennbare Anschlusspins 16 aufzunehmen. Die Anschlusspins 16 weisen in entsprechende buchsenartige Gegenöffnungen des Gegensteckers hineinragende Anschlussbereiche 17 auf, die stiftförmig, vorzugsweise mit rechteckförmigem Querschnitt, ausgebildet sind. Die Anschlussbereiche 17 der Anschlusspins 16 verlaufen parallel zu einer Montagerichtung 24 des Gehäuseabschnitts 12 zum fahrzeugseitigen Gegenstecker.The communication device 10 has a housing 11, in particular made of plastic, which essentially consists of two housing sections 12, 13. The first housing section 12, serving as a connector, is designed in particular to be connected to the socket on the vehicle side. For this purpose, the first housing section 12 has a connector border 15, in particular with a trapezoidal cross-section, which is designed in the Fig. 5 to include recognizable connection pins 16. The connection pins 16 have protruding into corresponding socket-like counter-openings of the counter-connector Connection areas 17 which are pin-shaped, preferably with a rectangular cross-section. The connection areas 17 of the connection pins 16 run parallel to an assembly direction 24 of the housing section 12 to the mating connector on the vehicle.

An den der fahrzeugseitigen Gegenstecker bzw. Buchse abgewandten Bereich des ersten Gehäuseabschnitts 12 schließt sich der zweite Gehäuseabschnitt 13 an, der der Aufnahme der Elektronik der Kommunikationseinrichtung 10 dient. Wie insbesondere anhand der Fig. 1 erkennbar ist, ist auch der zweite Gehäuseabschnitt 13 mit einer im Querschnitt trapezförmigen äußeren Umfangskontur 18 versehen, die beispielhaft etwas über die äußere Umfangskontur bzw. der Steckerumrandung 15 des ersten Gehäuseabschnitts 12 hinausragt.The area of the first housing section 12 facing away from the vehicle-side mating connector or socket is followed by the second housing section 13, which is used to accommodate the electronics of the communication device 10. How particularly with the Fig. 1 As can be seen, the second housing section 13 is also provided with an outer circumferential contour 18 which is trapezoidal in cross section and which, for example, protrudes somewhat beyond the outer circumferential contour or the connector border 15 of the first housing section 12.

Innerhalb des zweiten Gehäuseabschnitts 13 sind zwei parallel zueinander angeordnete Schaltungsträger in Form von Leiterplatten 21, 22 zur Aufnahme von elektronischen Bauelementen 23 angeordnet, die darüber hinaus senkrecht zu den Anschlussbereichen 17 der Anschlusspins 16 verlaufen. Dabei dient die dem ersten Gehäuseabschnitt 12 zugewandte erste Leiterplatte 21 gleichzeitig der Befestigung bzw. Kontaktierung der Anschlusspins 16.Within the second housing section 13, two circuit carriers arranged parallel to one another in the form of printed circuit boards 21, 22 for receiving electronic components 23 are arranged, which also run perpendicular to the connection areas 17 of the connection pins 16. The first printed circuit board 21 facing the first housing section 12 serves at the same time for fastening or contacting the connection pins 16.

Auf der der ersten Leiterplatte 21 abgewandten Seite der zweiten Leiterplatte 22 sind innerhalb der Umfangskontur der zweiten Leiterplatte 22 zwei Antennen 25, 26 angeordnet. Die erste Antenne 25 ist als Mobilfunkantenne ausgebildet und weist eine erste Sende- und Empfangsfläche 28 auf, die ebenfalls trapezförmig entsprechend der Umfangskontur 18 des zweiten Gehäuseabschnitts 13 mit geringem Abstand zu dieser ausgebildet ist.On the side of the second circuit board 22 facing away from the first circuit board 21, two antennas 25, 26 are arranged within the circumferential contour of the second circuit board 22. The first antenna 25 is designed as a mobile radio antenna and has a first transmitting and receiving surface 28, which is also trapezoidal in accordance with the circumferential contour 18 of the second housing section 13 with a small distance therefrom.

Wie insbesondere anhand der Fig. 1 erkennbar ist, ist die für die Funktion bzw. die Sende- und Empfangseigenschaften wesentliche erste Sende- und Empfangsfläche 28 der ersten Antenne 25 in maximalem Abstand zur zweiten Leiterplatte 22 an dem den Anschlusspins 16 bzw. dem ersten Gehäuseabschnitt 12 abgewandten Endbereich 30 des Gehäuses 11 angeordnet, wobei die erste Sende- und Empfangsfläche 28 parallel und nahe der dem ersten Gehäuseabschnitt 12 abgewandten stirnseitigen Abschlusswand 27 des zweiten Gehäuseabschnitts 13 verläuft.How particularly with the Fig. 1 As can be seen, the first transmission and reception surface 28 of the first antenna 25, which is essential for the function or the transmission and reception properties, is at the maximum distance from the second printed circuit board 22 on the end area 30 of the housing 11 facing away from the connection pins 16 or the first housing section 12 arranged, the first transmitting and receiving surface 28 running parallel to and close to the end wall 27 of the second housing section 13 facing away from the first housing section 12.

Ein im Bereich der ersten Sende- und Empfangsfläche 28 ausgebildeter Schlitz 29 dient der Feinabstimmung der Sende- und Empfangseigenschaften der ersten Antenne 25. In Richtung der zweiten Leiterplatte 22 sind an der ersten Sende- und Empfangsfläche 28 an gegenüberliegenden Seiten, im Ausführungsbeispiel im Bereich der Schmalseiten der ersten Sende- und Empfangsfläche 28, zwei Anschlussbereiche 31, 32 einstückig angeformt, deren der zweiten Leiterplatte 22 zugewandte Endbereiche umgebogene Anschlussfüßchen 33 aufweisen, die dazu ausgebildet sind, mit der zweiten Leiterplatte 22 bzw. einem auf der zweiten Leiterplatte 22 auf der der ersten Leiterplatte 21 abgewandten Seite angeordneten elektronischen Modul 35 stromleitend verbunden zu werden.A slot 29 formed in the area of the first transmitting and receiving surface 28 serves to fine-tune the transmitting and receiving properties of the first antenna 25. In the direction of the second printed circuit board 22 are on opposite sides of the first transmitting and receiving surface 28, in the exemplary embodiment in the area of Narrow sides of the first transmitting and receiving surface 28, two connection areas 31, 32 formed in one piece, whose end areas facing the second circuit board 22 have bent connection feet 33 which are designed to be connected to the second circuit board 22 or one on the second circuit board 22 on the First printed circuit board 21 facing away from the side arranged electronic module 35 to be connected in a current-conducting manner.

Wie insbesondere anhand der Darstellung der Fig. 1 und 3 erkennbar ist, sind die der ersten Sende- und Empfangsfläche 28 zugewandten Bereiche der Anschlussbereiche 33 in ihrer Breite und somit ihrer Fläche vergrößert ausgebildet, derart, dass diese Bereiche als zweite Sende- und Empfangsfläche 38, 39 wirken.As in particular based on the representation of the Fig. 1 and 3 As can be seen, the areas of the connection areas 33 facing the first transmitting and receiving surface 28 are designed to be enlarged in terms of their width and thus their area, in such a way that these areas act as second transmitting and receiving areas 38, 39.

Seitlich neben dem Modul 35 ist die zweite Antenne 26 angeordnet, die als Navigationsantenne, insbesondere als GPS-Antenne, ausgebildet ist. Die zweite Antenne 26 ist ebenfalls stromleitend mit dem Modul 35 verbunden und in Überdeckung bzw. fluchtend zu einem Teilbereich 41 des Schlitzes 29 angeordnet. Weiterhin ist die zweite Antenne 26 innerhalb der Umfangskontur 34 der ersten Sende- und Empfangsfläche 28 angeordnet.The second antenna 26, which is designed as a navigation antenna, in particular as a GPS antenna, is arranged to the side of the module 35. The second antenna 26 is also connected to the module 35 in a current-conducting manner and is arranged in overlap or in alignment with a partial area 41 of the slot 29. Furthermore, the second antenna 26 is arranged within the circumferential contour 34 of the first transmitting and receiving surface 28.

Zwischen der Oberseite des Moduls 35 und der Unterseite der ersten Sende- und Empfangsfläche 28 ist ein vorzugsweise lichtleitend ausgebildetes, aus (transparentem) Kunststoff bestehendes Durchgangselement 45 im Gehäuse 11 angeordnet. Das Durchgangselement 45 bildet eine Durchgangsöffnung 46 aus, die parallel zu den beiden Leiterplatten 21, 22 bzw. senkrecht zur Erstreckung der Anschlusspins 16 verläuft.Between the upper side of the module 35 and the lower side of the first transmitting and receiving surface 28, a preferably light-conducting, through element 45 made of (transparent) plastic is arranged in the housing 11. The passage element 45 forms a passage opening 46 which runs parallel to the two circuit boards 21, 22 or perpendicular to the extension of the connection pins 16.

Zwischen den beiden Leiterplatten 21, 22 ist darüber hinaus, wie insbesondere anhand der Fig. 4 erkennbar ist, ein Abstandsrahmen 48 angeordnet, an dessen beiden gegenüberliegenden Stirnflächen 49, 50 die Leiterplatten 21, 22 anliegen.Between the two circuit boards 21, 22 is also, as in particular based on the Fig. 4 can be seen, a spacer frame 48 is arranged, on the two opposite end faces 49, 50 of which the circuit boards 21, 22 rest.

Mittels aus Blech bestehender Klammerelemente 51, 52 sind die beiden Leiterplatten 21, 22 gegen den ersten Gehäuseabschnitt 12 des Gehäuses 11 axial verspannt.The two circuit boards 21, 22 are axially braced against the first housing section 12 of the housing 11 by means of clamp elements 51, 52 made of sheet metal.

Die in den Fig. 4 und 5 dargestellte zweite Kommunikationseinrichtung 10a unterscheidet sich von der Kommunikationseinrichtung 10 dadurch, dass die Größe des Durchgangselements 45a zwischen dem Modul 35 und der ersten Sende- und Empfangsfläche 28 verkleinert ist sowie in Erstreckung der Durchgangsöffnung 46a einen trapezförmigen Querschnitt aufweist.The ones in the Fig. 4 and 5 The second communication device 10a shown differs from the communication device 10 in that the size of the passage element 45a between the module 35 and the first transmitting and receiving surface 28 is reduced and has a trapezoidal cross-section in the extension of the passage opening 46a.

Die soweit beschriebene Kommunikationseinrichtung 10, 10a kann in vielfältiger Art und Weise abgewandelt und modifiziert werden, ohne vom Schutzumfang der Erfindung abzuweichen, der durch die folgenden Ansprüche definiert wird.The communication device 10, 10a described so far can be varied and modified in many ways without departing from the scope of protection of the invention, which is defined by the following claims.

Claims (10)

  1. Communication device (10; 10a) for a diagnostic system of a motor vehicle, having a housing (11) that has a housing section (12), connectable to an on-vehicle mating connector, with connecting pins (16) and connection regions (17) for the mating connector, having at least one circuit carrier in the form of a printed circuit board (21, 22) for arranging electronic components (23), having a first antenna (25) in the form of a mobile radio antenna and having a second antenna (26) in the form of a navigation antenna, wherein the at least one printed circuit board (21, 22) extends perpendicularly with respect to a direction of installation (24), defined by the connection regions (17) of the connecting pins (16), of the housing section (12), that the two antennas (25, 26) are arranged on the side of the at least one printed circuit board (21, 22) that is remote from the connecting pins (16), and that the first antenna (25) comprises a first transmitting and receiving area (28) and is arranged at an end region (30) of the housing (11) that is opposite the connecting pins (16),
    characterized
    in that a through-opening (46; 46a) bounded by a through-element (45; 45a) is produced in the housing (11) between the two antennas (25, 26) in a direction that runs parallel to the at least one printed circuit board (21, 22).
  2. Communication device according to Claim 1,
    characterized
    in that the first transmitting and receiving area (28) is arranged parallel to the at least one printed circuit board (21, 22) and in direct proximity to a terminating wall (27) of the housing (11).
  3. Communication device according to Claim 1 or 2,
    characterized
    in that the at least one printed circuit board (21) and a further printed circuit board (22) provide for two printed circuit boards (21, 22) arranged parallel to one another, and in that the second antenna (26) is arranged within an outer peripheral contour (34) of the first transmitting and receiving area (28) on that side of the printed circuit board (22) facing the first transmitting and receiving area (28) that faces the first transmitting and receiving area (28).
  4. Communication device according to one of Claims 1 to 3,
    characterized
    in that the first transmitting and receiving area (28) is connected to the at least one printed circuit board (21, 22) via connection regions (31, 32) that project in the direction of the at least one printed circuit board (21, 22).
  5. Communication device according to Claim 4,
    characterized
    in that at least regions of the connection regions (31, 32) are in the form of a second transmitting and receiving area (38, 39) for the first antenna (25).
  6. Communication device according to one of Claims 1 to 5,
    characterized
    in that the housing section (11) connectable to the on-vehicle mating connector, the peripheral contour (18) of the housing (11) that surrounds the two antennas (25, 26) and the first transmitting and receiving area (28) of the first antenna (25) each have a trapezoidal outer contour.
  7. Communication device according to one of Claims 1 to 6,
    characterized
    in that the first transmitting and receiving area (28) of the first antenna (25) has a slot (29), and in that at least part of the second antenna (26) is arranged in alignment with the slot (29).
  8. Communication device according to one of Claims 1 to 7,
    characterized
    in that at least regions of the through-element (45; 45a) are in light-guiding form.
  9. Communication device according to one of Claims 3 to 8,
    characterized
    in that the two printed circuit boards (21, 22) have a spacer frame (48) arranged between them, the oppositely arranged end faces (49, 50) of which are adjoined by the two printed circuit boards (21, 22).
  10. Communication device according to one of Claims 1, 8 or 9,
    characterized
    in that the through-opening (48; 48a) and the printed circuit board (22) facing the first antenna (25) have an electronic module (35) arranged between them for the two antennas (25, 26), which electronic module is connected to the printed circuit board (22).
EP17728458.5A 2016-05-23 2017-05-23 Communication device for a diagnostic system of a motor vehicle Active EP3465818B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016208875.0A DE102016208875A1 (en) 2016-05-23 2016-05-23 Communication device for a diagnostic system of a motor vehicle
PCT/EP2017/062338 WO2017202809A1 (en) 2016-05-23 2017-05-23 Communication device for a diagnostic system of a motor vehicle

Publications (2)

Publication Number Publication Date
EP3465818A1 EP3465818A1 (en) 2019-04-10
EP3465818B1 true EP3465818B1 (en) 2021-04-07

Family

ID=59021459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17728458.5A Active EP3465818B1 (en) 2016-05-23 2017-05-23 Communication device for a diagnostic system of a motor vehicle

Country Status (4)

Country Link
EP (1) EP3465818B1 (en)
CN (1) CN109155456B (en)
DE (1) DE102016208875A1 (en)
WO (1) WO2017202809A1 (en)

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Publication number Priority date Publication date Assignee Title
MX2021010614A (en) 2019-03-04 2021-12-10 Climate Llc Data storage and transfer device for an agricultural intelligence computing system.

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US8810457B2 (en) * 2011-06-24 2014-08-19 Taoglas Group Holdings Orthogonal modular embedded antenna, with method of manufacture and kits therefor
DE102011080175A1 (en) * 2011-08-01 2013-02-07 Robert Bosch Gmbh electronics assembly
CN202758405U (en) * 2012-05-26 2013-02-27 深圳市成为智能交通系统有限公司 Multifunction intelligent vehicle networking terminal
DE102012106077B4 (en) * 2012-07-06 2023-06-01 Softing Ag Diagnostic device for a motor vehicle
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CN203552048U (en) * 2013-07-19 2014-04-16 北京一雄信息科技有限公司 Miniature diagnostic device for switching on/off automotive electrical equipment
CN104932437A (en) * 2014-03-18 2015-09-23 深圳市航天无线通信技术有限公司 Diesel-powered car fuel consumption statistics device based on OBD data, and method thereof
CN203933965U (en) * 2014-03-28 2014-11-05 深圳市成为智能交通系统有限公司 Multifunctional intelligent vehicle networking terminal
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Also Published As

Publication number Publication date
CN109155456A (en) 2019-01-04
DE102016208875A1 (en) 2017-11-23
CN109155456B (en) 2021-10-15
EP3465818A1 (en) 2019-04-10
WO2017202809A1 (en) 2017-11-30

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