EP2695238A1 - Dachantenne, insbesondere kraftfahrzeug-dachantenne mit zugehöriger steckverbindungseinrichtung - Google Patents
Dachantenne, insbesondere kraftfahrzeug-dachantenne mit zugehöriger steckverbindungseinrichtungInfo
- Publication number
- EP2695238A1 EP2695238A1 EP12712935.1A EP12712935A EP2695238A1 EP 2695238 A1 EP2695238 A1 EP 2695238A1 EP 12712935 A EP12712935 A EP 12712935A EP 2695238 A1 EP2695238 A1 EP 2695238A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base
- circuit board
- printed circuit
- antenna according
- foot part
- 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
Links
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
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
- H01Q1/3275—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
- H01Q1/12—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
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/02—Connectors or connections adapted for particular applications for antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Definitions
- Roof antenna in particular motor vehicle roof antenna with associated connector device
- the invention relates to a roof antenna, in particular a motor vehicle roof antenna with an associated connector device according to the preamble of claim 1.
- automotive roof antennas are frequently used today, which are suitable, for example, for operation in a mobile radio area on the one hand and for receiving radio programs on the other hand.
- motor vehicle roof antennas also receiving systems for vehicle position determination are housed in the rule, which consist of the so-called. Standard GPS receivers according to today's standard.
- Such motor vehicle antennas are usually accommodated in an antenna housing which can be mounted on the motor vehicle and which comprises an antenna hood which is mounted on a corresponding base.
- a printed circuit board is accommodated in parallel on which the individual antenna elements are then positioned and electrically connected.
- the motor vehicle antenna can be mounted and anchored at a suitable location. It is also customary to pass a corresponding cable harness through an opening provided and to connect in the region of the printed circuit board. As a rule, at least one cable, preferably a coaxial cable, is provided per antenna.
- motor vehicle roof antennas are also known, in which the antenna housing is equipped with a corresponding number of Koaxialsteckverbidra, wherein on the interface thus formed a corresponding number of further connectors can be connected bar, the on a Wiring harness end provided.
- Corresponding roof antennas with a comparable structure are known in this respect, for example, from DE 43 36 191 AI, DE 295 00 961 Ul, DE 2 032 619 or from DE 10 2004 046 979.
- An antenna with an associated fastening device can also be taken from WO 2006/087225 AI as known.
- a chassis of the motor vehicle roof antenna comprises a fastening part, which is inserted through an opening in the motor vehicle roof into the interior of the motor vehicle and clamped, for example, by means of a bracing device.
- several RF connectors are provided in the context of the roof penetration, which consist of at least one fixed to the foot part plug.
- On a mounted on a wiring harness coupler can be plugged.
- each plug contacts provided at which from the motor vehicle inside, so from below, connectors can be plugged.
- the antenna comprises a base, a printed circuit board provided on the upper side of the base, wherein at least one coaxial line protrudes downwards from the base, the outer conductor of which preferably protrudes downward. given to the base part cohesively connected and electrically conductive together.
- this coaxial outer conductor is separated from a dielectric, an inner conductor out.
- the outer conductor which is preferably materially connected to the base part, can initially be connected to the outer conductor only for reasons of production and, after the entire production, be mechanically separated from the latter and thereby insulated.
- the inner conductor is connected to the printed circuit board located above the base, as well as the outer conductor which is galvanically connected to the printed circuit board by means of a spring contact.
- the at least one above-mentioned coaxial outer conductor is ultimately protected and encased with a plug housing, which can be realized in a further manufacturing step by an injection method to the outer conductor around. It is also possible that the plug housing is manufactured separately and placed on the outer conductor.
- a plug arrangement for an HF signal path can also be taken from DE 20 2004 015 503 Ul as known.
- This prior publication shows and describes a component with a base or a socket-like plate construction, which is penetrated by one or more coaxial conductors.
- the outer conductor is rigidly connected to the wall of the component, preferably in a materially bonded manner.
- An improved motor vehicle antenna with associated HF plug-in connection device can also be taken from EP 1 801 932 B1 or DE 20 2005 020 107 U1.
- a mechanically good attachment of the connector unit to the printed circuit board is realized in that at least some coaxial connectors are provided with extending in the insertion direction projections or with a corresponding electrically conductive additional part with corresponding projections, said projections, for example, in holes in protrude the printed circuit board. These holes can preferably also be plated through.
- the ends of these projections are electrically soldered to the printed circuit board, i. usually with the large-area potential or ground surface formed there, whereby shielding is achieved.
- the RF inner conductor is no longer through holes introduced in the PCB to the PCB top protrude or project beyond this printed circuit board top side, but are blunt soldered to the printed circuit board bottom by reflow, it is even possible according to this publication, for example, to position a standard ceramic patch antenna above the plug connector unit, ie in one Area in which would come to rest on the opposite side of the printed circuit board, the ends of the inner conductor of the connector and soldered there.
- the coaxial connectors have in this case of the parallel to the roof cable runs outgoing signal conductor elements in the form of strip lines, which lead to perpendicular aligned, further Koaxialsteckverbindern what a coaxial connector to the provided on the motor vehicle roof antennas can be produced.
- EP 1 903 632 B1 EP 1 863 119 B1 and DE 10 2006 025 176 A1.
- Antenna assemblies have become known from these prior publications, which comprise an antenna device outside the body panel and a further component within the body panel, optionally also in the form of a second antenna device.
- the RF connector a very cheap connection between a roof antenna and a provided below the roof inner unit, optionally with another circuit board created.
- the outer unit in the form of the antenna with the coaxial and RF lines emanating therefrom (which, unlike the prior art, no longer have to be laid separately) can be realized while minimizing the required mounting hole and the joining space under the vehicle outer skin , As a secondary function of this Tinsteckung also fall very long (and thus costly) coaxial lines to the other indoor units in the vehicle away, which are designed as stand-alone solutions and are usually installed somewhere in the vehicle.
- the solution according to the invention offers the further advantage that electronic indoor units (which serve, for example, for processing the electrical signals or the RF signals) no longer have to be accommodated in the motor vehicle remote from the antenna (with the result that then correspondingly long lines are necessary), but that these electrical and electronic components can be positioned and connected directly below the vehicle outer skin in the area of the foot part of a motor vehicle roof antenna inserted through the roof opening.
- the vertical part of the RF plug connection unit according to the invention which is electrically connected to and mechanically fixed to a printed circuit board (the printed circuit board usually being provided on a chassis on the side of the antenna chassis opposite the motor vehicle roof) comprises coaxial cables, which is known to have an inner conductor, a dielectric surrounding the inner conductor and an outer conductor, wherein the outer conductor is preferably soldered to the printed circuit board via foot points in the form of small-dimensioned pins, whereby the mechanical connection is realized.
- the chassis of the antenna device is used as a shield for the outer conductor.
- a part of the chassis is extended down through the motor vehicle mounting hole and at the same time serves as a carrier and holding device of the sockets.
- the plug sockets consist of the mentioned outer conductor, the inner conductor and the dielectric, these socket sockets being pressed into corresponding (vertical) channels in the chassis in the plugging or joining direction, so that these outer conductors are thereby mechanically firmly anchored and held and thereby serves by the galvanic contact of the extended portion of the chassis as a shield and / or as an outer conductor.
- an interface is formed at the lower end of the coaxial lines in order to provide a 90 ° transition to the connectors here, about what, for example, a motor vehicle interior unit with a plug-in movement more or less parallel to the motor vehicle outer skin (ie usually the motor vehicle roof) is to be connected.
- a motor vehicle interior unit with a plug-in movement more or less parallel to the motor vehicle outer skin ie usually the motor vehicle roof
- the foot part of the chassis extending through the mounting opening in the motor vehicle roof forms the shielding described above.
- the outer conductors coming from the printed circuit board as mentioned, to be in the foot part of the chassis, i. into corresponding vertical channels in the base of the chassis, to be pressed, so as to establish a galvanic connection to the chassis.
- the contact of the inner conductors becomes the following inner conductor sections (which extend radially and thus preferably perpendicular to the first inner conductor sections emanating from the printed circuit board, namely more or less parallel to the outer skin of the motor vehicle provided with the mounting opening) made, that the leading tip of the respective inner conductor is pressed into a leading in the joining direction slotted (perforated) part of the following inner conductor, as mentioned to the first inner conductor portion is preferably oriented vertically.
- a dielectric in the connecting region between the two usually perpendicular to each other aligned inner conductor while air is provided.
- a data bus ie a connection, for example, in the form of a plurality of data lines can be generated over a plurality of mutually parallel pins with underlying bending, the pin ends also horizontally, ie perpendicular to the vertical portion of the PCB of the automotive antenna leads, are aligned.
- the invention thus relates to a roof antenna with an electrical or high-frequency contacting possibility, in particular with a motor vehicle indoor unit for processing the electrical signals and the high-frequency signals.
- This connection should preferably be possible via a direct connection, taking into account the prevailing space conditions. This should be able to be realized in the context of the invention, even at a minimum mounting opening in the vehicle outer skin, even if only a minimal possible space between the vehicle outer skin and a corresponding vehicle sky is available.
- a 90 ° line junction is provided, which makes it possible that corresponding cables and preferably the above-mentioned further data and high-frequency processing serving indoor unit can be connected via a joining direction with the terminals for the motor vehicle antenna, the preferably perpendicular to the mounting direction, with which the motor vehicle antenna with a downwardly projecting foot in the mounting opening of a motor vehicle Outer skin is introduced.
- FIG. 1 shows a schematic perspective view of a roof antenna and an inner unit connectable therewith; a corresponding view to Figure 1, in which some components are omitted, in particular the housing cover of the antenna device; a schematic side view of an antenna unit which is connected to a motor vehicle indoor unit (omitting the antenna hood); an exploded view of the essential parts of the antenna unit and the motor vehicle interior component or the motor vehicle interior module to be connected therewith;
- Figure 5 an excerpt spatial representation of a body panel (the motor vehicle outer skin) with a mounted therein mounting opening for mounting the Motor vehicle roof antenna;
- Figure 6 a spatial representation of one of six
- Figure 7 a perspective view of three
- Figure 8 a cross-sectional view through the
- FIG. 9 shows a cross-sectional view perpendicular to the sectional illustration according to FIG. 8, specifically in a plane passing through the inner conductors of the coaxial lines arranged next to each other;
- FIG. 10 a a fragmentary perspective view of a connector housing for the data connection, which is integrated in a chassis;
- FIG. 10b shows a schematic representation of a corresponding female connector for coupling to the connector housing of the data link. manure; a schematic representation of the structure according to the invention with an antenna device and a motor vehicle indoor unit in a schematic cross-sectional view; a cross-sectional view along the line Xlb-XIb in Figure IIa; a modified view with respect to Figure IIa with respect to a slightly modified embodiment thereof; and a cross-sectional view along the line XIIb-XIIb in Figure IIa.
- an antenna 1 i.
- a roof or motor vehicle antenna 1 is shown, which is in the assembled state according to a first embodiment of the invention with an electronic component 3 directly in the region of an opening provided in the roof electrically in contact.
- the antenna 1 usually comprises an antenna housing 5, which in the illustrated embodiment comprises an antenna hood 5a, which is permeable to electromagnetic waves.
- the antenna hood 5a is usually mounted on a base or chassis 7 or firmly connected thereto, wherein
- the chassis 7 is made of metal or another conductive material or includes this.
- the base or the chassis 7 is preferably made of a metal casting. Also possible is a milled part or conductive plastic spray part.
- FIG. 2 shows a perspective view of the antenna 1 similar to FIG. 1 with an electronic component 3 mounted inside the motor vehicle roof in the mounted state, the antenna hood 5a of the antenna housing 5 being shown in FIG is gone.
- the antenna and the electronic component or indoor unit 3 connected thereto are shown in cross-section, ie when viewed perpendicularly to a plane E that is normally vertical in the assembled state of the antenna (in this plane, for example, the two printed circuit boards or antennas 13a 13b may be parallel to or aligned with) corresponding to the vertical center plane of the antenna housing 5, which is usually aligned perpendicular to the plane E-LP of the printed circuit board 9.
- a printed circuit board 9 is arranged, which has an outer contour 9a in plan view (see also FIG. 4), which usually has a smaller transverse cross section. and longitudinal extension is designed as the respective transverse and longitudinal extent of the base chassis 7, so that in mon Conditioned the housing cover 5a while mounting on the base 7, the circuit board 9 completely encloses and accommodates in the so-called.
- Antenna housing interior 5b On the above-mentioned upper side 9b of the printed circuit board 9, one or more antenna devices may be provided for different services.
- a first antenna or antenna arrangement 13a for example in the form of a perpendicular to the printed circuit board 9 further printed circuit board 13 'a, on the metallized surfaces are formed to form a first antenna provided, for example, for receiving and transmitting in the context of Mobile communication is used.
- a second antenna 13b may be provided, which is likewise arranged, for example, perpendicularly to the printed circuit board 9, and here likewise may in turn consist of a further printed circuit board 13'b which, in contrast to the first antenna 13a, has an antenna lying in front in the direction of travel 13a is located in the rear area, that is, it is usually arranged trailing in the direction of travel, with the antenna formed thereon being suitable for carrying out other services.
- a third antenna 13c in the form of a patch antenna is provided between the first and second antennas 13a and 13b, as it serves, for example, to receive satellite programs which are broadcast via satellite, ie in particular for the reception of radio programs broadcast via satellite.
- a fourth antenna 13d is also provided, namely a GPS antenna 13d, which has an approximately square outer shape in plan view and below a recess 13 "in the region of the first printed circuit board 13 'a of the first antenna 13a on the parallel is positioned and electrically connected to the base 7.
- the base of the chassis 7 usually has a peripheral socket edge 7c extending over some height on the socket top 7a opposite the socket base or socket bottom 7b, electrical and electronic components can be accommodated between the base bottom 7b and the lower side 9c of the printed circuit board 9 (see FIG. 4) in the component space 12 thus formed and can be electrically connected to the conductor tracks on the printed circuit board of Figure 4 are essential parts of the antenna arrangement and the electronic component 3 to be connected reproduced in an exploded view.
- the existing metal base or the chassis 7 can be seen from the top 7a forth, which also makes it clear that the base or the chassis 7 not only with the mentioned circumferential base edge 7c, but also with a Variety of rising from the bottom 7b, usually perpendicular thereto aligned base webs 7d is provided, which structure the actual component space 12 into different component space regions 12a.
- the space regions 12a are thus formed by the shielding webs 7d (which form part of the base 7 and therefore also made of conductive material exist or are covered) separated from each other.
- a foot or anchoring part 17 is formed on the lower side of the base 7e, that is to say on the underside of the base bottom 7b, projecting downwards, which is connected to the entire base eg integrated metal part in one piece (namely cohesive) is connected.
- the foot or anchoring part 17 can also be formed separately from the actual base 7 and be connected to it mechanically and galvanically.
- the entire arrangement and the structure of the base and the foot or anchoring part 17 may therefore be designed in several parts, the individual parts should be mechanically and galvanically connected, so that the foot or anchoring part as the base not only cause a shield, but also at the same time act as an outer conductor.
- the antenna thus formed is placed with its foot and anchoring part 17 on a roof of a motor vehicle, wherein the foot or anchoring part 17 projecting downwards beyond the base floor then projects through a mounting opening 15 shown in FIG , usually in the roof of a motor vehicle, generally in a so-called.
- Each of these coaxial conductors 21 comprises an inner conductor 23, a dielectric 25 which is graduated in the longitudinal direction in the exemplary embodiment and which surrounds the inner conductor, and an outer conductor 27 which receives the dielectric 25.
- the respective outer conductor 27 is provided on its side facing the printed circuit board 9 in the embodiment shown with four offset in the circumferential direction of the cylindrical outer conductor to each other and opposite to the plugging and joining direction (Z) (ie perpendicular to the printed circuit board) protruding feet or pins 27 a provided , which engage in corresponding holes at a connection point on the printed circuit board 9 and soldered there.
- Z plugging and joining direction
- the inner conductor 23 usually also passes through a corresponding hole in the printed circuit board or lies directly on the printed circuit board bottom 9c with its inner conductor end face and is soldered there at a corresponding contact point.
- the galvanic connection of the inner conductor 23 and the outer conductor 27 of the respective coaxial conductor 21 to the printed circuit board takes place.
- the respective coaxial line 21 is electrically contacted and mechanically held, especially since the outer conductor 27 is designed as a metal cylinder or metal tube and not only galvanically connected by its several, circumferentially offset anchoring feet or pins 27a solid and stable with the printed circuit board but mechanically fixed to it and the entire Koaxiallei- ter 21 characterized comparatively stable aligned with the printed circuit board 9.
- a bus 29 is provided in the form of a plurality of data lines 29a, which consists in the embodiment shown of six spaced-apart individual wires or individual lines 29b, as shown for example with reference to FIG.
- an unshielded data line i. an unshielded signal line and / or voltage supply, which comprises at least one and preferably a plurality of individual data lines.
- This data bus 29a with the six individual lines 29b shown in the exemplary embodiment shown (which are formed in two rows each having three adjacent individual lines 29b) adjoins immediately adjacent to the three coaxial lines 21.
- RF signals high-frequency signals
- FIG. 7 shows a perspective bottom view of the three adjacent coaxial lines 21 and the data connection 29 arranged next to them, these coaxial lines and the data connection in a corresponding one below still individually discussed holding block 33 additionally arranged 12 001164
- FIG. 8 shows a cross-sectional representation through a single coaxial conductor, as it is finally arranged and mounted in the installed state.
- FIG. 9 shows a further sectional illustration perpendicular to the sectional illustration according to FIG. 8, namely in a sectional plane that extends through the central axis, ie inner conductor 23 and the data connection 29a, ie a longitudinal sectional view through the holding block 33.
- the individual coaxial lines 21, i. the outer conductor 27 of the coaxial lines 21, adjacent to the printed circuit board by a holding block 33 additionally held and adjusted said holding block preferably consists of a plastic part, that is, of an electrically non-conductive insulator.
- This holding block 33 has on the printed circuit board 9 side facing a series of protruding feet, pins or ribs, etc. 33a, which can also engage in corresponding holes in the printed circuit board 9, and thereby additionally secure the block 33 against displacement or rotation.
- coaxial conductors 21 passing through corresponding bores 33b in the holding block 33 are also prevented from lateral displacement or bending in any direction relative to one another, but also mechanically secured and held against shifting or bending or twisting of their overall arrangement as a whole.
- the thus prepared and populated printed circuit board 9 with the downwardly projecting coaxial lines 21 and the bus connection 29 and the holding block 33 is then on the Chassis or placed on the base 7 so until the holding block 33 engages in a corresponding recess 133 in the base bottom 7b, said recess 133 in the base bottom 7b has a longitudinal extent and transverse extent and a shape that at least substantially the longitudinal extent and transverse extent or shape of the holding block 33 corresponds, so that in other words the holding block engages with a part of its peripheral contour in the corresponding recess 133 in the base bottom 7 and is held immovably and non-rotatably.
- the coaxial lines 21 protruding beyond the holding block 33 in the joining direction Z and the holding block extension 33c projecting beyond the holding block 33 become simultaneously , whereby the bus connection is additionally protected, which will be discussed later) inserted into corresponding vertically extending and mutually shielded channels 117 and 117 'in the foot part 17.
- the coaxial lines 21 and the data connections 29 protrude through corresponding openings or holes in the base bottom 7b, i. protrude into in the region of the recess 133 in the base bottom 7b outgoing channels 117 and 117 'into it, which pass through the base bottom and the foot and / or anchoring part 17.
- the protruding channels 117 running from top to bottom in the foot part could thereby be designed to be at least slightly tapered downwards (in particular also when the base with the foot part is produced as a cast part), the dimensioning being such that 2012/001164
- the fixing of the coaxial conductor 21 and the galvanic connection of the outer conductor 27 is effected by mechanical and galvanic contacting by the leading end portion of the contact edge 27b (see FIG. 8), the contact edge 27b being in contact with the inner wall of the latter Area of tapered cross-section of the channels 117 is pressed in generating sufficiently high clamping forces pressed.
- the leading contact edge it is also possible for the leading contact edge to have a plurality of slots or recesses 27c offset in the circumferential direction (see FIG. 7), which are introduced in a partial length from the peripheral edge, specifically with the formation of at least slightly resilient contact fingers 127c. which then abuts with the corresponding high clamping force on the inner wall of the lower diameter end portion 117a of the channel 117 configured in this embodiment with a smaller diameter.
- the roof antenna 1 should be designed so that between the roof antenna 1 and the indoor unit 3 in the form of the mentioned electronic component 3 optimally designed direct connection is to be made possible by plugging, while minimizing the required mounting hole and the Fügeraums under the vehicle's outer skin (ie usually the roof).
- the inner unit 3 in the context of the mentioned electronic component 3 usually also include a further printed circuit board 109 (see Figure 4), which comes to rest in the arrangement shown parallel to the accommodated in the antenna housing 5 first printed circuit board 9, wherein the first Printed circuit board 9 in the antenna housing 5 outside the vehicle outer skin 16 (ie the roof) and the indoor unit 3 below the vehicle outer skin 16 and thus in the interior 116 of the motor vehicle immediately adjacent to the vehicle outer skin 16 comes to rest.
- a flat construction is in the context of the invention, especially when the indoor unit 3 is not in the plugging and joining direction Z, ie perpendicular to the printed circuit boards 9, 109, but in a transverse or especially perpendicular thereto extending plug, or joining Sliding direction S can be connected to the corresponding connections of the coaxial cable and the data bus.
- this plug-in, joining or sliding direction S is preferably perpendicular or radial to the coaxial longitudinal extent of the coaxial 21 and thus of the foot part 17 and the channels 117, so in turn, in turn, in parallel to the mentioned printed circuit boards 9 and 109.
- certain small angular deviations need to be realized and, if so desired. It can already be seen from the drawings according to FIGS. 1 to 4 and 6 to 8 that the individual coaxial lines 21 each have a horizontal and thus parallel to the printed circuit boards 9, 109 at their lower ends 01164
- the inner and outer conductors and the dielectric in transversely extending, ie in particular perpendicular to each other components separated usually the coaxial lines in the mounted state more or less vertically and therefore hereinafter partially as " vertical components ", wherein the connectable to the indoor unit components are hereinafter referred to simply as” horizontal components "for simplicity, even if the above components in the assembled state neither exactly vertical nor horizontal or not even necessarily perpendicular to each other, but at least deviate from a slight angle or are.
- the components can also be used at an angle other than 90 ° . Need to be aligned, for example, at an angle of 85 ° to 95 °, etc. Restrictions exist in principle not.
- Coaxial conductor 21 which usually consists of a plastic material (ie not air) existing dielectric 25 immediately before the 90 ° -Winkeltagen 51 respectively stops and there each an inner conductor 37a begins, which extends in the illustrated embodiment, perpendicular or radial to the coaxial 21 and preferably part of the coupler 37 is.
- the diameter of the associated inner conductor 37a at least in the connecting and / or connecting region 37 'a of the inner conductor 37a in the embodiment shown is configured with a larger diameter than the diameter of the inner conductor 23 of the respective coaxial conductor 21.
- any suitable opening comes into consideration, for example in the form of a slot which is introduced into the respective inner conductor 37a and preferably passes through this in its entire thickness.
- the coaxial inner conductors 21 are aligned and held in a highly precisely positioned position, especially by positioning in the mentioned channels 117 passing through the foot part 17 (even at the original position) 12 001164
- this method allows the mentioned coupler 37 with its outer conductor 37c first pressed into corresponding transverse bores 40, 41 at the lower end of the foot part 17, these couplers 37th are then aligned with their inner conductor so that the provided in the connection region 37 'a the inner conductor 37 a passing through hole 39 (or a corresponding slot or the like chen) in the immediate axial direction to the inner conductor 23 of the coaxial lines 21 comes to rest.
- the foot and anchoring member 17 In order to perform the assembly and the mechanical and galvanic connection between the inner conductors 23 and 37a, the foot and anchoring member 17 in axial extension of the channels 117 at least with respect to the coaxial lines 21 an extended, the bottom 17a of the foot and anchoring member 17 passing Bore 17b, which allows an open access to the production of the connection between the inner conductors during the production process (joining movement). Subsequently, this bore 117 can be closed by a corresponding cap 17c, which can either be pressed or screwed in case of a thread. This cap should be 17c 01164
- electrically conductive material preferably metal or metal alloy or at least be made of an electrically conductive plastic - material or at least with a corresponding conductive, a shield causing outer layer, which thus simultaneously by the galvanic contact with the rest of the foot and anchoring part 17 forms part of the overall outer conductor.
- electrically conductive material preferably metal or metal alloy or at least be made of an electrically conductive plastic - material or at least with a corresponding conductive, a shield causing outer layer, which thus simultaneously by the galvanic contact with the rest of the foot and anchoring part 17 forms part of the overall outer conductor.
- no dielectric material consisting of plastic is provided in the region of the connection connection 37 'a, but rather that a dielectric 36 in the form of air is used here. This is then followed by the dielectric 37b of the coupler 37 in order to hold the inner conductor 37a in the coupler 37.
- the transverse bores 40, 41 provided at the lower end of the foot part 17 for receiving the coupler are stepped, with a correspondingly stepped shoulder of the outer conductor 37c engaging here.
- the couplers 37 with their outer conductor are preferably pressed into the corresponding stepped transverse bore 40, 41 here, whereby a good mechanical connection to the one hand and optimal galvanic contacting to the other is ensured.
- This also opens up the possibility of aligning the coupler so that the bore 39 inserted in the inner part 37a in the connecting region 37 'a before insertion into the foot part 17 a 2012/001164
- the mentioned axial alignment of the stepped bore 40, 41 in the foot part 17 is made such that the central axis of this transverse bore 40, 41 radially and preferably perpendicular to the respective coaxial conductors 21 and thus to the relevant plug and receiving channels 117 in the foot part 17th is aligned.
- the couplers could also be provided with an external thread, which engages in a corresponding internal thread in the stepped bore 40 41. But it would require additional measures to ensure that then the bore 29 at the end of the associated inner conductor 37a is aligned exactly to be penetrated during the joining process of the inner conductor 23 of the Koaxiallei ⁇ device 21.
- bus connection 29 with the six individual lines 29b in the exemplary embodiment shown has already been described with reference to FIG.
- Each of these individual leads 29b has printed circuit board-side terminal ends 29c which are bent by 90 °, so that these terminal ends 29c each form parallel, juxtaposed, angled portions which are away from each other with respect to the two rows in which the individual leads 29a are arranged are ongoing.
- the holding block 33 which is preferably made of plastic, can still be provided with a transverse bridge 233 (see FIG. 9), whereby two adjacent openings formed by the transverse bridge 233 are formed. Through one opening, the one group of three data lines 29b (whose bends 29c all point in one direction), while through the other opening, the three other data lines 29b extend (the bends 29c are all in the other direction).
- At least one holding and fixing block 43 is provided, which has six holes in the embodiment shown, which are penetrated by the individual lines 29a.
- this fixing and holding block 43- which consists of an insulator, preferably of plastic-is arranged after a 90 ° bend 45 of the individual wires 29b in such a way that the vehicle inner side lying parallel to the printed circuit boards 9, 109 Terminal ends 29d held in non-touching distance from each other.
- This retaining block 33 has on its one transverse side a retaining block section 33c which extends in the direction of insertion and joining Z over a greater length or height and which is provided with an inner channel 33 'c, which is preferably rectangular in cross-section, for receiving 2 001164
- the inner component 3 has, as is apparent from the drawings, also couplers 47, which are arranged at the same distance to each other at the same axial distance as the coupler 37 in the foot part 17, so that the inner part 3 according to the plug-in, joining or sliding direction S can be plugged into the appropriate interfaces of the antenna and then connected dielectrically.
- couplers 47 which are arranged at the same distance to each other at the same axial distance as the coupler 37 in the foot part 17, so that the inner part 3 according to the plug-in, joining or sliding direction S can be plugged into the appropriate interfaces of the antenna and then connected dielectrically.
- the inner module 3 is a corresponding 2012/001164
- Bus interface 147 that is, a further coupler 147 provided, for example, with bush-shaped plug-in recesses into which the parallel to the printed circuit board 109 and thus parallel to the plug-in, joining or sliding direction S running the connecting ends 29 d of the bus 29 inserted and electrically contacted and can be connected by it.
- Figure 10a or 10b wherein in Figure 10a shows a section of the foot part 17 with the couplers 37 and the data coupler 137 for the data connection, which is integrated in the chassis.
- Figure 10b a corresponding female connector 147 is shown, which is formed on the indoor unit 3 and can be plugged together with the connector housing of the coupler 137 for the data connection in the assembled state.
- the inner module 3 may have further interfaces, for example in the form of further couplers 53, as they can be seen, for example, in the illustration according to FIGS. 2 and 3.
- This can be connected to appropriate cables, in particular coaxial cable, which lead to other components in the motor vehicle interior 116, for example to a hands-free system of a telephone, to a radio, to a microprocessor with a connected display for a navigation device, etc.
- the inner part 3 has in its in the insertion, joining and sliding direction S leading side an inner recess 103 with two projecting into the recess 103 and extending in the sliding direction S side boundaries or generally lateral guide means 3c ( Figure 4), in the assembled state with the above-mentioned guide means 17 d on the foot part 17 cooperate.
- the central principle is the direct production of a plug connection between two arranged with height offset V printed circuit boards, which can be plugged together with a parallel joining direction S.
- the one printed circuit board is accommodated in the vehicle-outer-side antenna arrangement, wherein the second printed circuit board can be provided in the inner part 3 accommodated inside the motor vehicle.
- the connecting elements required and explained for this purpose are angled away from the antennas by 90 °. The resulting transitions from the hori P2012 / 001164
- in the vertical orientation or from a coaxial structure into a possibly provided microstrip structure can be achieved by optimizing the structure within the coaxial structure and in the region of the transition from the inner conductors to the conductor track be adapted on the board, for example, for a frequency range up to 6 GHz, for example at an impedance of 50 ohms.
- the dielectric in the coaxial region, can be completely or partially replaced by air, wherein here too the diameter of the inner conductor can be adjusted.
- the transition area on the printed circuit board can be optimized accordingly by the design of the outer conductor and by the structure of the layout.
- the so-called “vertical region” comprises the printed circuit board 9 in the antenna housing 5 with the inner conductors 21 originating from the printed circuit board 9 (even if they do not necessarily have to run vertically, but for the sake of simplicity are only briefly referred to as the "vertical part")
- the outer conductor 27 has the mentioned bases or pins 27a, which are soldered on the circuit board 9.
- coupler 37 is distinguished by the fact that the chassis with the foot part is used as shielding and outer conductor.
- Foot member 17 extends through the mounting hole 15 in the motor vehicle outer skin 16 down and protrudes into the vehicle interior 116 before.
- This downwardly extended part of the chassis 7 in the form of the foot part 17 serves at the same time as a carrier for the sockets of the coupler 37.
- the plug sockets in turn consist of an outer conductor 37b and an inner conductor 37a, the couplers thus prepared then into a corresponding stepped bore 39 are pressed into the chassis while making the desired contact to the shield.
- connection between vertical and horizontal area is then established when the assembled printed circuit board (including plug block) is connected to the chassis, in which joining step then the leading end of the inner conductor 23 (ie the so-called vertical area) in the corresponding inner conductor bore 39 of the coupler 37 (ie the horizontal area) penetrates and interspersed.
- the exemplary embodiment explained with reference to FIGS. 1 to 10b is shown in a simplified schematic cross-section with reference to FIG. IIa and in a further FIG. IIb (FIG. IIb reproducing a sectional view along the line Xlb-XIb in FIG. IIa), from which also the transverse offset V between the two Both printed circuit boards 9, 109 can be seen.
- the indoor unit 3 is shown in dashed lines before connecting in solid lines and connected state T / EP2012 / 001164
- the vertical and horizontal region of the device belonging to the antenna is reproduced, which ultimately forms a first antenna module-side plug half A with the 90 ° bend, which are mechanically and electrically connected to an inner module-side plug half B corresponding to the joining direction S. can.
- the outer conductors 27 of the so-called vertical area are pressed into the channels 117 of the chassis 7 and thus of the foot part 17, thus establishing a galvanic connection.
- the contact of the inner conductors is produced by pressing in the pointed part of the respectively leading end of the inner conductors 23 into the slotted part of the other inner conductors which lead or belong to the coupler 37.
- air is in the form of a dielectric.
- the downwardly extended by the mounting hole 15 foot part 17 of the antenna chassis 7 also has features that lead to the components during the joining process and on the other hand mechanically relieve the electrical components such as the printed circuit board 9 in the finished state.
- a mechanically stable connection between the inner and outer unit is produced via the foot part with the chassis 7, that is, between the electrical assembly provided as the inner unit 3 and the outer unit formed in the form of the motor vehicle antenna 1.
- the illustrated 90 ° angle connection can be dispensed with, so that a coaxial or bus connection variant is created which runs in the motor vehicle interior opposite to the plug-in or joining direction Z.
- bus connection 29 comprises only individual wires 29b which terminate straight from the printed circuit board 9 without any curvature 45, ie in the direction of plug-in and Joining direction Z.
- a block 33 which consists of a nonconducting material, preferably plastic (dielectric), finally also referring to FIG. 9, in which a cross-sectional representation is shown schematically along the line IXb-IXb in Figure 9a.
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Support Of Aerials (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Details Of Aerials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011016294A DE102011016294B4 (de) | 2011-04-07 | 2011-04-07 | Dachantenne, insbesondere Kraftfahrzeug-Dachantenne mit zugehöriger Steckverbindungseinrichtung |
PCT/EP2012/001164 WO2012136306A1 (de) | 2011-04-07 | 2012-03-15 | Dachantenne, insbesondere kraftfahrzeug-dachantenne mit zugehöriger steckverbindungseinrichtung |
Publications (2)
Publication Number | Publication Date |
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EP2695238A1 true EP2695238A1 (de) | 2014-02-12 |
EP2695238B1 EP2695238B1 (de) | 2015-03-04 |
Family
ID=45937194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP12712935.1A Active EP2695238B1 (de) | 2011-04-07 | 2012-03-15 | Dachantenne, insbesondere kraftfahrzeug-dachantenne mit zugehöriger steckverbindungseinrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US9270018B2 (de) |
EP (1) | EP2695238B1 (de) |
JP (1) | JP5960797B2 (de) |
KR (1) | KR101667231B1 (de) |
CN (1) | CN103493290B (de) |
DE (1) | DE102011016294B4 (de) |
ES (1) | ES2537731T3 (de) |
WO (1) | WO2012136306A1 (de) |
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- 2012-03-15 EP EP12712935.1A patent/EP2695238B1/de active Active
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Also Published As
Publication number | Publication date |
---|---|
DE102011016294A1 (de) | 2012-10-11 |
US20140028507A1 (en) | 2014-01-30 |
ES2537731T3 (es) | 2015-06-11 |
JP2014514834A (ja) | 2014-06-19 |
EP2695238B1 (de) | 2015-03-04 |
KR101667231B1 (ko) | 2016-10-28 |
JP5960797B2 (ja) | 2016-08-02 |
CN103493290B (zh) | 2015-09-02 |
WO2012136306A1 (de) | 2012-10-11 |
DE102011016294B4 (de) | 2013-09-12 |
US9270018B2 (en) | 2016-02-23 |
CN103493290A (zh) | 2014-01-01 |
KR20140016286A (ko) | 2014-02-07 |
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