EP1753076A2 - Antenne pour véhicule pour l'émission et/ou réception des signaux radio-fréquence - Google Patents

Antenne pour véhicule pour l'émission et/ou réception des signaux radio-fréquence Download PDF

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Publication number
EP1753076A2
EP1753076A2 EP06013682A EP06013682A EP1753076A2 EP 1753076 A2 EP1753076 A2 EP 1753076A2 EP 06013682 A EP06013682 A EP 06013682A EP 06013682 A EP06013682 A EP 06013682A EP 1753076 A2 EP1753076 A2 EP 1753076A2
Authority
EP
European Patent Office
Prior art keywords
sealing element
housing
cable
side wall
antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06013682A
Other languages
German (de)
English (en)
Other versions
EP1753076A3 (fr
Inventor
Günther Blickle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hirschmann Car Communication GmbH
Original Assignee
Hirschmann Car Communication GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hirschmann Car Communication GmbH filed Critical Hirschmann Car Communication GmbH
Publication of EP1753076A2 publication Critical patent/EP1753076A2/fr
Publication of EP1753076A3 publication Critical patent/EP1753076A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
    • H01Q1/1221—Supports; Mounting means for fastening a rigid aerial element onto a wall
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk

Definitions

  • the invention relates to an antenna for a vehicle for transmitting and / or receiving high-frequency signals with a housing which at least partially, preferably completely, consists of a dielectric material, according to the features of the respective preamble of the independent claims.
  • Vehicle antennas in particular roof antennas for mounting the antenna on the vehicle roof
  • a base plate made of a metallic material is present, via which the antenna is bolted to the vehicle roof by means of a threaded pin and a fastening nut.
  • the threaded stem has an internal passage through which the cables connected to the antenna elements are passed.
  • a housing part (hood) of the roof antenna protects the antenna elements and seals, possibly alone or in cooperation with the base plate, the antenna elements and the opening in the vehicle roof to the outside.
  • the problem of sealing a cable which is performed by a housing component of the antenna, not.
  • An example of a sealing of a vehicle antenna with respect to the vehicle roof is from the DE 102 58 102.9 known.
  • the invention is therefore based on the object, an antenna for a vehicle for transmitting and / or receiving high-frequency signals with a housing which at least partially, preferably completely, made of a dielectric material, be ready to provide the best possible sealing of the cable relative to the Housing is achieved at the same time simple and constructive design of the antenna and easy installation. Furthermore, a strain relief is to be realized. In addition, it should be possible to mount the antenna not only in the original equipment of the vehicle to this, but also subsequently attach the antenna to the vehicle, if necessary removable again.
  • the housing of the antenna consists of a lower part and an upper part, the lower part and the upper part having an outer side wall, in particular a closing side wall, and an inner side wall, in particular an inner side wall running parallel to the outer side wall and the sealing element extends over in each case an outer and an inner side wall.
  • the two in their course largely parallel side walls a kind of intermediate chamber is realized, which ensures that thereby the inner region of the antenna, in which the antenna elements are arranged, is effectively sealed.
  • the two parts are releasably or permanently connected to each other, in particular a detachable connection by means of adhesion or positive locking, if necessary, with the interposition of another sealing element, is achieved.
  • the sealing element which is arranged over the cable to be performed, extends over in each case an outer and an inner side wall, which have openings corresponding to receive the sealing element, thereby ensuring that in the event that the outer side wall in the direction of the intermediate chamber moisture or impurities should penetrate, they can not get directly or not at all to the antenna elements, as this is prevented by the inner side wall.
  • the sealing element causes both a sealing action outwardly and inwardly in the direction of the inner region of the antenna.
  • the lower part and the upper part have an outer side wall and means for strain relief of the cable via the sealing element and the sealing element extends over in each case an outer side wall and the means.
  • the outer side wall and the inner side wall of the lower part each have an opening for passage of the sealing element together with the cable.
  • the lower part can be made in one piece together with the side walls and the opening for receiving the sealing element, in particular in a plastic injection molding process. Alternatively, this also applies to the top.
  • the cable together with the sealing element be performed by the two side walls of the lower part and then be electrically contacted with the circuit board, which carries the antenna elements.
  • a mounting is conceivable in which the cable with sealing element is already electrically connected to the circuit board and is mounted from the inside in the outward direction of the housing.
  • the sealing element is materially connected to an outer jacket of the cable.
  • This material closure increases the sealing effect, since due to this no moisture or impurities can penetrate between the outer jacket of the cable and the inner region of the sealing element, since any gap is closed by the material closure.
  • FIG. 1 An embodiment of the antennas with the sealing element according to the invention, to which the invention is not limited, is shown in the figures.
  • a lower part 1 of a housing of an antenna is shown in FIG. 1, wherein the lower part 1 is arranged inside a printed circuit board 2 (or generally a carrier) for receiving at least one antenna element.
  • a first antenna element 3 is provided, which is formed due to its shape design for the reception of high-frequency signals in two frequency ranges.
  • Another antenna element is a GPS receiver 4, which is arranged as a prefabricated module on the printed circuit board 2.
  • the lower part 1 has an outer, circumferential side wall 5, which forms the outer contour of the lower part 1.
  • an inner side wall 6 runs at a certain distance from the outer side wall 5, so that these two side walls 5, 6 form a gap.
  • openings in the side walls 5, 6 at least one single or multi-core shielded or unshielded cable 7 (more than two cables, such as the two cables shown in the embodiment) 7 out that the antenna elements 3, 4 with connects an electronic device, not shown and no longer described.
  • a sealing element 8 extends, which is arranged on the outer jacket of the cable 7 and forms a seal of the housing of the antenna to the outside.
  • the lower part 1 shown in Figure 1 with the described elements has the advantage that it is easy to produce (eg, the lower part 1 can be produced in a plastic injection molding process, while the sealing element 8 is sprayed onto the outer jacket of the cable 7) and which has the necessary shape for receiving the circuit board 2.
  • the circuit board 2 can be glued, screwed, caulked or the like, for example, on the lower part 1.
  • FIG. 1 it can be seen that the lower part 1 has the outer side wall 5 and the inner side wall 6 and the sealing element 8 extends over these two side walls 5, 6.
  • Figure 2 shows an upper part 11 of the antenna, which has a corresponding shape to the lower part 1.
  • the upper part 11 also has an outer side wall 12 and an inner side wall 13.
  • domes 14 which correspond to the openings 10 of the lower part 1
  • lower part 1 and upper part 11 can be releasably connected to each other by means of screws.
  • spacers 16 are designed in position and extension so that they press with mounted upper part 11 on the antenna element 3 and / or the GPS receiver 4 to fix them in position and Prevent vibrations.
  • lower part 1 according to Figure 1 and upper part of Figure 2 are designed so that they can be assembled plane-parallel, which on the one hand represents a simple assembly and on the other hand allows a particularly flat design.
  • the two parts 1, 11 lock together when they are pressed together.
  • welding for example ultrasonic welding
  • gluing or the like is also possible.
  • these two parts 1, 11 with their elements symetrically designed for ease of assembly.
  • at least one further departure of a cable from the housing may be present.
  • FIG. 3 shows a detailed view of the mounted sealing element, wherein it can be seen that the sealing element arranged on the cable 7 has thickenings 81, 82 around the opening in the side wall 5 and thickenings 83, 84 in the region of the opening of the side wall 16.
  • the sealing element 8 is flat and thus better sealing against the surfaces around the openings in the side walls 5, 6 around, wherein the distance between the facing surfaces of the thickened portions 81, 82 and 83, 84 preferably
  • the sealing element 8 is located between the two receiving pockets 9 on the lower part 11 and there has a recess 85 (constriction). Their function will be explained with reference to FIG 5.
  • Figure 4 shows a section through the assembled antenna, wherein the upper part 11 is fixed to the lower part 1.
  • a circumferential seal 17 is inserted between the inner side wall 6 of the lower part 1 and the corresponding inner side wall 13 of the upper part 11, which is designed here groove-shaped.
  • This seal 17 causes the inner portion of the antenna, in which the printed circuit board 2 is located with the antennas 3, 4, to be sealed against the gap and the outer contour of the housing.
  • the seal 17 may be a separate component or attached to the lower part 1 and / or the upper part 11, in particular glued or molded.
  • the lower part 1 still has at least one spacer element 18 (or alternatively the printed circuit board 2) to press from below against the planar-shaped antenna element 3, as well as the diatanic element 16 to prevent vibrations to the antenna elements.
  • spacer elements may alternatively or additionally be present which fix the printed circuit board 2 in its desired position on the lower part 1 (alternatively on the upper part 11).
  • the peripheral outer side walls 5, 12 are designed so that they on the one hand a guide during assembly of the two parts 1, 11 effect (eg., By means of a chamfer) and can snap together, with the interposition of a seal is also conceivable here ,
  • the spacer elements 16, 18 can also be provided separately from the parts 1, 11. Then, for example, they are configured as foam elements (generally elastically deformable elements) which are adhered to the part 1, 11 or to the antenna element or to the circuit board 2. Alternatively, they can only be interposed without any other attachment.
  • FIG. 5 shows detailed views of the here elastically deformable sealing element 8, which is mounted in its desired position in the housing of the antenna.
  • the interaction causes the particular good sealing of the inner region of the antenna to the outside.
  • the sealing element 8 comes with its thickening 81, 82 to rest against the outer side wall 5 and there causes a first seal when it was pressed from the outside into the openings of the housing.
  • the second seal is effected in which the sealing element 8 comes with its thickenings 83, 84 for abutment on the inner side wall 6.
  • the recess 85 (constriction) cooperates with the projecting from the upper part 11 tab 15 which engages in the receiving pockets 9 and thus a strain relief of the sealing element 8 and thus the entire cable 7 causes.
  • the strain relief is effected in that the tab 15 engages during assembly in the recess 85 of the sealing element 8 and can be brought into operative connection with the receiving pockets 9 and thus tensile or compressive forces are absorbed on the cable 7.
  • the sealing element 8 is firmly connected to the outer casing of the cable 7, in particular sprayed there, glued or otherwise connected in a materially cohesive manner with the outer casing.
  • the width of the recess 85 is advantageously chosen so that it is less than or equal to the thickness of the tab 15.
  • the sealing element 8 also recesses (constrictions) 86, 87, wherein the diameter is chosen slightly larger at this point than the diameter of the respective opening in the side wall 5, 6, in order to achieve the optimum sealing effect due to the elastic deformability of the sealing element 8 here.
  • the sealing element 8 in the mounting direction in the region of the thickening 82, 83 each have a bevel 88, 89.
  • the sealing element 8 can be performed much easier and guided through the opening in the side wall 5, 6, wherein the bevels 88, 89 do not contribute to the sealing, since this is the thickening 82, 83 are available.
  • the lower part 1 has a survey 151, which prevents the sealing element 8 is bent during assembly of the housing, so as to improve the strain relief.
  • the sealing element 8 or the geometry of the housing may be designed so that after assembly of the sealing element 8 this comes to rest on the inner surface of a housing part.
  • the sealing element 8 has a wavy contour, wherein the side walls 5, 6 and the tab 15 each come into contact with the sealing element 8 in a trough and this deformed so because of its elastic deformability is that the peaks correspond to the function of the thickening 81 to 84.
  • sealing element made of an elastically deformable material and a material is used, which is not or only to a small extent elastically deformable. Then, the geometries of the sealing element and its surrounding areas in the housing are coordinated so that the sealing element 8 is pressed by applying force in the housing and thereby the sealing effect and / or strain relief is achieved.
  • the sealing element can be used without or with only a very small amount of force in the housing and then subsequently glued there, welded or the like.
  • Figure 6 shows a section through the assembled housing of the antenna with cable 7 and sealing element 8, in which case the operative connection between the receiving pockets 9 on the lower part 1 and the protruding tab 15 on the upper part 11 is very clearly visible.
  • the cable 7 is relieved of tensile or compressive loads together with the sealing element 8, which is fixed there in material fit.
  • the sealing element 8 not only a round, but also an oval (if necessary. Also an angular or other polygonal) cross-section, in order to mount the cable 7 (or even more than one cable) with its sealing element 8 only in one position and to have a twist protection during operation of the antenna.
  • the sealing element has chamfers for easier assembly, these chamfers may additionally or alternatively also be present in the area of the openings of the side walls of the housing and / or the lug. In such a case, the sealing element could only have a depression in the region of a side wall or no depression. Strain relief and sealing effect would then be achieved by a sufficient elastic deformability ("squeezing") of the sealing element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
EP06013682A 2005-08-12 2006-07-01 Antenne pour véhicule pour l'émission et/ou réception des signaux radio-fréquence Withdrawn EP1753076A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005038197A DE102005038197A1 (de) 2005-08-12 2005-08-12 Antenne für ein Fahrzeug zum Senden und/oder Empfangen hochfrequenter Signale

Publications (2)

Publication Number Publication Date
EP1753076A2 true EP1753076A2 (fr) 2007-02-14
EP1753076A3 EP1753076A3 (fr) 2007-03-28

Family

ID=37387342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06013682A Withdrawn EP1753076A3 (fr) 2005-08-12 2006-07-01 Antenne pour véhicule pour l'émission et/ou réception des signaux radio-fréquence

Country Status (3)

Country Link
US (1) US20070035460A1 (fr)
EP (1) EP1753076A3 (fr)
DE (1) DE102005038197A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008042811A1 (de) 2008-10-14 2010-04-15 Robert Bosch Gmbh Dachantenne für ein Fahrzeug
JP2011166460A (ja) * 2010-02-10 2011-08-25 Yupiteru Corp コードの取り付け構造

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810897A (en) * 1987-07-01 1989-03-07 Shotey Michael J Timer assembly with weatherproof housing
JPH06140824A (ja) * 1992-10-27 1994-05-20 Matsushita Electric Works Ltd アンテナユニット
US5900840A (en) * 1995-06-20 1999-05-04 Ngb Corporation Plane antenna having metal/resin bottom cover
JP2000114743A (ja) * 1998-10-02 2000-04-21 Mitsumi Electric Co Ltd 電気機器の防水構造
JP2001085918A (ja) * 1999-09-10 2001-03-30 Mitsumi Electric Co Ltd 平面アンテナ
EP1152478A1 (fr) * 2000-04-20 2001-11-07 Alps Electric Co., Ltd. Antenne de réception GPS à adhérence magnétique assurée et fixation d'antenne stable d'un corps d'antenne

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7540041U (de) * 1975-12-16 1976-07-01 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen Elektronische fahrzeugantenne mit angebautem verstaerkergehaeuse
US5757327A (en) * 1994-07-29 1998-05-26 Mitsumi Electric Co., Ltd. Antenna unit for use in navigation system
EP1429415A3 (fr) * 2002-12-11 2004-09-29 Hirschmann Electronics GmbH & Co. KG Antenne à dispositif d'étanchéité surmoulé
JP2005109687A (ja) * 2003-09-29 2005-04-21 Mitsumi Electric Co Ltd アンテナ装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810897A (en) * 1987-07-01 1989-03-07 Shotey Michael J Timer assembly with weatherproof housing
JPH06140824A (ja) * 1992-10-27 1994-05-20 Matsushita Electric Works Ltd アンテナユニット
US5900840A (en) * 1995-06-20 1999-05-04 Ngb Corporation Plane antenna having metal/resin bottom cover
JP2000114743A (ja) * 1998-10-02 2000-04-21 Mitsumi Electric Co Ltd 電気機器の防水構造
JP2001085918A (ja) * 1999-09-10 2001-03-30 Mitsumi Electric Co Ltd 平面アンテナ
EP1152478A1 (fr) * 2000-04-20 2001-11-07 Alps Electric Co., Ltd. Antenne de réception GPS à adhérence magnétique assurée et fixation d'antenne stable d'un corps d'antenne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008042811A1 (de) 2008-10-14 2010-04-15 Robert Bosch Gmbh Dachantenne für ein Fahrzeug
JP2011166460A (ja) * 2010-02-10 2011-08-25 Yupiteru Corp コードの取り付け構造

Also Published As

Publication number Publication date
US20070035460A1 (en) 2007-02-15
DE102005038197A1 (de) 2007-02-22
EP1753076A3 (fr) 2007-03-28

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