WO2009156001A1 - Antenne tige - Google Patents

Antenne tige Download PDF

Info

Publication number
WO2009156001A1
WO2009156001A1 PCT/EP2008/065684 EP2008065684W WO2009156001A1 WO 2009156001 A1 WO2009156001 A1 WO 2009156001A1 EP 2008065684 W EP2008065684 W EP 2008065684W WO 2009156001 A1 WO2009156001 A1 WO 2009156001A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
rod
ferrule
holder
antenna according
Prior art date
Application number
PCT/EP2008/065684
Other languages
German (de)
English (en)
Inventor
Henry Lerchner
Reginald Meyer-Damcke
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to EP08874774A priority Critical patent/EP2294653A1/fr
Publication of WO2009156001A1 publication Critical patent/WO2009156001A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/20—Resilient mountings
    • 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

Definitions

  • the invention relates to a rod antenna, in particular for a motor vehicle, with an antenna rod and an antenna holder holding the antenna rod.
  • Rod antennas of the type mentioned are known.
  • an attachment of the antenna rod to an antenna base which may be formed for example as a motor vehicle attachment.
  • a support of the antenna rod to the antenna holder is usually provided by a molded element, which is manufactured in a die-casting process. Frequently, the material used is zinc or a zinc alloy. The element is fixed on a lower side to the antenna holder, for example by means of a
  • the rod antenna according to the invention with the features mentioned in claim 1 offers the advantage that the connection between the antenna rod and antenna holder can be made easily and inexpensively. It is provided that the antenna rod is attached to the antenna holder by means of a tubular ferrule, which holds the antenna rod by pinching a pinch. This means that a connection between antenna rod and antenna holder is made by the antenna rod with a portion, that is, at least partially, in the tubular ferrule R. 323534 2
  • a crimp connection or a pinch can represent both a force and a positive connection.
  • a positive connection can be provided, for example, via structural features on the section of the antenna rod introduced into the ferrule, which encloses or encloses the ferrule after being crushed.
  • the pinch means a mechanical influence on the ferrule, wherein the sleeve walls at least partially converge and at least partially contact with a portion of the antenna rod in contact.
  • the contact is preferably a press contact.
  • the ferrule can in principle have any shape.
  • the described connection between antenna rod and antenna holder by means of a tubular ferrule is simple and inexpensive to perform. In particular, no cast element must be used, which means a high production cost. Rather, it can be provided that the ferrule can be produced by simply separating it from a larger element. This step is fast and inexpensive feasible, as is the connection between the antenna rod and ferrule by pinching.
  • Tubular means in particular that the ferrule has a uniform thickness of Quetschhülsenwandung.
  • the thickness of the crimp sleeve wall can be uniform in the circumferential direction as well as in the axial direction.
  • the ferrule is attached to the antenna holder in any way. On a connection between ferrule and antenna holder will be discussed below.
  • tubular ferrule before the squeezing has substantially a cylindrical shape, R. 323534 3
  • the tubular ferrule can be a circular cylindrical pipe section.
  • the ferrule can be formed by simply separating from a tube, whereby the pipe section is formed. This is a particularly efficient and inexpensive way to make the ferrule.
  • a substantially rectangular cross-section of the ferrule may be provided. Also in this case, a production of the ferrule by detachment from a tube is possible, which in this case also has a substantially rectangular cross-section.
  • a development of the invention provides that at least one squeeze blade is formed by the squeezing. It is provided that viewed from a longitudinal axis of the antenna rod from at least one radially outwardly directed wing is formed by the crimping. This means that at least two sections of the sleeve wall due to the crimping occur and in particular contact each other. This results in at least one squeeze blade, which extends radially outward and in the axial direction at least over a portion of the axial length of the ferrule. On an outer surface of the sleeve wall, at least one substantially flat surface can be created by the pinch wing.
  • a development of the invention provides that at least two squeeze blades are formed, which are distributed over the circumference of the ferrule, in particular diametrically opposed to each other. By squeezing so any number of Quetscherieln be formed. These are distributed in any manner over the circumference of the ferrule, so for example, can be arranged regularly or irregularly. It is preferably provided that in each case two of the squeeze wings are diametrically opposed to each other. Particularly preferred is an even number of R. 323534 4
  • a development of the invention provides that a connection between the antenna holder and the ferrule is made by means of a screw connection or by a pinch of the ferrule.
  • Antenna holder and ferrule can thus each have a thread over which a screw of antenna holder and ferrule is possible.
  • the connection between the antenna holder and ferrule is also produced by a pinch of the ferrule, analogous to the connection of the ferrule to the antenna rod.
  • a portion of the antenna holder is inserted into the ferrule and this deformed by pinching, so that the antenna holder is clamped in the ferrule.
  • the formation of the connection between the antenna holder and ferrule as well as antenna rod and ferrule by pinching represents a particularly cost-effective way to connect the antenna rod with the antenna holder.
  • the antenna holder has at least one resilient element, in particular a helical spring.
  • About the resilient element of the antenna holder is at least partially bendable. This means that the antenna rod can be deflected or angled relative to the end of the antenna holder that is angled away from the antenna rod. In this way, the rod antenna allows an evasive movement, the antenna rod or a part of the
  • the resilient element is designed as a helical spring, so that there is a helical course of a spring wire.
  • the resilient element may be made of spring steel or other elastic material, such as plastic.
  • a development of the invention provides that the screw connection between the antenna holder and the ferrule is provided via an internal or external thread of the ferrule or external or internal thread of the antenna holder. It can therefore be provided that the antenna holder via a R. 323534 5
  • a development of the invention provides that the outer or inner thread of the antenna holder is formed by the coil spring. Due to the helical course of the spring wire of the coil spring is already a kind of thread before. On this, the inner or outer thread of the ferrule be matched so that a screwing or screwing the ferrule in / on the coil spring in a simple manner possible.
  • ferrule brass comprises or consists of.
  • ferrule made of brass Preferably, therefore, at least parts of the ferrule made of brass.
  • a further development of the invention provides a fastening device provided on the antenna holder, in particular a bolt, with which the rod antenna can be fastened to an antenna base.
  • the antenna holder thus has, preferably on a side remote from the antenna rod, a fastening device.
  • This is advantageously designed as a bolt.
  • the fastening device is formed either as part of the antenna holder or as a separate device which is connected to the antenna holder.
  • the connection between the fastening device and antenna holder can be provided for example via a screw.
  • the fastening device can have either an outer or an internal thread, while the antenna holder shows the respective corresponding counter-thread.
  • the fastening device may also be secured by pinching on the antenna holder.
  • the fastening device On the side facing away from the antenna holder of the fastening device, the fastening device has a possibility for attachment to an antenna base. This can for example be a screw again. R. 323534 6
  • the antenna rod comprises or consists of glass fiber material.
  • Glass fiber material or glass fiber-containing material is particularly suitable for the antenna rod, since it has a high elasticity and is resistant to aging and weathering.
  • Glass fiber material often consists of glass fibers, which are embedded in plastic.
  • a development of the invention has an antenna conductor which is provided on the antenna rod.
  • the antenna conductor is the electrically effective part of the rod antenna, thus forming the actual antenna for transmission or
  • the antenna conductor may be provided on the antenna rod in various ways. It is for example possible that the antenna conductor is embedded in the antenna rod, but it is also possible that the antenna conductor is applied to the outside of the antenna rod, preferably substantially wound on this.
  • the antenna conductor consists of an electrically conductive material. It is provided with at least one end in electrical contact with an antenna connector. About the electrical contact, a connection to a receiving and / or transmitting device is made.
  • a development of the invention provides an antenna rod shell, in particular of a material réelleschrumpfenden that surrounds the antenna rod and / or the antenna conductor at least partially.
  • the antenna rod cover protects the antenna rod and / or the antenna conductor against external influences, for example, prior to contact with liquids.
  • a material to be shrunk is used for the antenna rod sheath.
  • the antenna rod cover is arranged around the antenna rod and / or the antenna conductor and then shrunk, for example due to the influence of heat.
  • This shrinkage forms a press contact between the antenna rod shell and the antenna rod and / or antenna conductor, which ensures a permanent connection. It can also be provided to enclose the ferrule also at least partially in the antenna rod shell.
  • a further development of the invention has an enclosure, in particular a sprayed-on plastic enclosure, which surrounds the antenna holder at least in regions. In order to protect the antenna holder from external influences, it is encompassed by an enclosure at least partially. It is advantageous in this case a plastic casing which is sprayed onto the antenna holder.
  • a cladding of the antenna holder after assembly that is, a compound of the antenna holder with the ferrule and the ferrule with the antenna rod. In this case, it is advantageous if the envelope in addition to the antenna holder and the ferrule at least partially surrounds. If the squeeze sleeve has at least one squeeze blade, an improved anchoring with the cladding is achieved.
  • Figure 1 is a rod antenna in the unmounted state, with a
  • Antenna rod, a ferrule, an antenna holder and a bolt
  • Figure 2 shows the rod antenna during assembly
  • FIG. 1 shows a rod antenna 1 in an unassembled state.
  • the rod antenna 1 has an antenna rod 2 and an antenna holder 3.
  • a ferrule 4 and a bolt 5 are shown.
  • the antenna rod 2 is made of glass fiber material, that is, a plastic that is interspersed with glass fibers.
  • An orientation of the glass fibers is preferably carried out in the direction of a longitudinal axis 6 of the R. 323534 8
  • Rod antenna 1 On one surface of the antenna rod 2, an antenna conductor 7 is provided. This is wound in concentric windings on the antenna rod 2 in its axial direction. It can be provided that the antenna conductor 7 has an electrical connection to a receiving and or transmitting device, not shown.
  • the ferrule 4 is formed by a circular cylindrical pipe section 8. In this case, the pipe section 8 is made for example by separating from a longer pipe. It is characterized in the example shown by the fact that a thickness of the sleeve wall 9 is consistently uniform, both in the axial and in the circumferential direction.
  • the antenna holder 3 has a resilient element 10, in this case a coil spring 11, or is formed thereof. On the side facing away from the ferrule 4 of the coil spring 11 of the bolt 5 is arranged.
  • the fastening device 12 serves for fastening the rod antenna to an antenna base, not shown.
  • the fastening device 12 has on its side facing the coil spring 11 an external thread 13 with which the fastening device 12 in the coil spring 11 can be screwed.
  • a thread 14 is also provided, which is first inserted into an opening of the antenna base and then fastened with a nut therein.
  • the thread 14 may also be festschraubbar directly in a mating thread of the antenna base.
  • the fastening device 12 is provided with a substantially rectangular engaging element 15, via which the fastening device 12 with a tool, not shown, for example, a key or a pair of pliers, is rotatable.
  • the ferrule 4 is made of brass.
  • the rod antenna 1 according to the invention can therefore not only be made simple and inexpensive, it also has a high corrosion resistance. This corrosion resistance is further increased by the cladding of the antenna holder or the antenna rod shell.
  • Figure 2 shows the rod antenna 1 at a time during an assembly process.
  • the fastening device 12 is screwed by means of the external thread 13 in the coil spring 11.
  • FIG. 2 shows the rod antenna 1 at a time before the antenna rod 2 and antenna holder 3 are connected to one another by means of the ferrule.
  • FIG. 3 shows a time during the assembly process of the rod antenna 1 after a connection between the antenna rod 2 and the antenna holder 3 has been made by means of the ferrule 4. Due to the pinch, two pinch wings 16 are formed in the region in which the antenna rod 2 is inserted into the ferrule 4. These are arranged diametrically opposite one another. The squeezing wings 16 are formed by abutting portions 17 of the sleeve walls 9. The pinch wings 16 point in the radial direction with respect to the longitudinal axis 6 to the outside. By pinching a jamming connection between the ferrule 4 and antenna rod 2 is made. The connection can be both frictional and positive.
  • a diameter of the ferrule 4 is partially formed, which corresponds substantially to a diameter of the antenna rod 2.
  • the antenna rod 2 is held in the region of a pinch region 18 of the ferrule 4.
  • the coil spring 11 is held in the ferrule 4.
  • a transition region 20 in the vertical course of which the shaping of the pinch region 18 with the pinch wings 16 formed thereon merges into the essentially circular-cylindrical shape of the pinch region 19.
  • first antenna rod 2 antenna holder 3, ferrule 4 and bolt 5 are provided (see FIG. 1).
  • a pipe section 8 is cut out of a pipe, not shown, to form the ferrule 4.
  • the fastening device 12 by means of the external thread 13 in the R. 323534 10
  • Screwed coil spring 11 and the coil spring 11 is inserted with its other end into the ferrule 4.
  • the antenna rod 2 is inserted into the ferrule 4. It can be provided that the antenna rod 2 and the coil spring 11 are located within the ferrule 4 with their respective (not visible) end faces at the same height or the antenna rod 2 at least partially engages the coil spring 11.
  • This assembly step, before a pinch, is shown in FIG. Subsequently, the ferrule 4 is crimped in the pinch regions 18 and 19, so that a connection between the ferrule 4 and the antenna rod 2 is made on the one and the antenna holder 3 on the other side.
  • the fully assembled rod antenna 1, antenna rod 2, antenna holder 3, ferrule 4 and pin 5 is shown in Figure 3.
  • the antenna rod 2 and the antenna conductor 7 are surrounded by an antenna rod sheath, not shown, which consists of a shrink tube.
  • the antenna holder 3 is provided with a plastic envelope, not shown. This is sprayed onto the antenna holder 3 and can also enclose the ferrule 4 at least partially.
  • the squeeze wings 16 ensure a secure hold of the envelope.

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  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne une antenne tige (1), en particulier pour un véhicule automobile, avec une tige d'antenne (2) et un support d'antenne (3) qui supporte la tige d'antenne (2). Il est prévu que la tige d'antenne (2) soit fixée sur le support d'antenne (3) à l'aide d'une douille à sertir (4) qui maintient la tige d'antenne (2) après un sertissage.
PCT/EP2008/065684 2008-06-26 2008-11-17 Antenne tige WO2009156001A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08874774A EP2294653A1 (fr) 2008-06-26 2008-11-17 Antenne tige

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810002673 DE102008002673A1 (de) 2008-06-26 2008-06-26 Stabantenne
DE102008002673.5 2008-06-26

Publications (1)

Publication Number Publication Date
WO2009156001A1 true WO2009156001A1 (fr) 2009-12-30

Family

ID=40329201

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/065684 WO2009156001A1 (fr) 2008-06-26 2008-11-17 Antenne tige

Country Status (3)

Country Link
EP (1) EP2294653A1 (fr)
DE (2) DE102008002673A1 (fr)
WO (1) WO2009156001A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2388625A (en) * 1942-12-14 1945-11-06 Zenith Radio Corp Antenna for automobiles and other vehicles
DE2107308A1 (de) * 1967-11-01 1972-08-24 Karst Robert Fa Verbindung zur Befestigung eines Rohres, wie beispielsweise einer Teleskopantenne, an einem das Rohrende tragenden zylindrischen Fußteil
DE2152883A1 (de) * 1971-10-23 1973-04-26 Sihn Jr Kg Wilhelm Befestigung fuer stabelemente bei dipol-empfangsantennen
EP0048788A1 (fr) * 1980-09-25 1982-04-07 Robert Bosch Gmbh Antenne tige, en particulier pour recevoir des fréquences de radiodiffusion très élevées
WO2001017060A1 (fr) * 1999-08-31 2001-03-08 Robert Bosch Gmbh Radiateur d'antenne flexible
EP1750327A2 (fr) * 2005-08-01 2007-02-07 Hirschmann Car Communication GmbH Antenne tige, en particulier une antenne de radiotéléphonie mobile pour des véhicules
EP1783862A1 (fr) * 2005-10-18 2007-05-09 Hirschmann Car Communication GmbH Antenne tige avec support en fibres de verre avec un évidement
EP1926175A1 (fr) * 2006-11-22 2008-05-28 Hirschmann Car Communication GmbH Antenne fouet avec différents enroulements segmentés d'antenne

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2388625A (en) * 1942-12-14 1945-11-06 Zenith Radio Corp Antenna for automobiles and other vehicles
DE2107308A1 (de) * 1967-11-01 1972-08-24 Karst Robert Fa Verbindung zur Befestigung eines Rohres, wie beispielsweise einer Teleskopantenne, an einem das Rohrende tragenden zylindrischen Fußteil
DE2152883A1 (de) * 1971-10-23 1973-04-26 Sihn Jr Kg Wilhelm Befestigung fuer stabelemente bei dipol-empfangsantennen
EP0048788A1 (fr) * 1980-09-25 1982-04-07 Robert Bosch Gmbh Antenne tige, en particulier pour recevoir des fréquences de radiodiffusion très élevées
WO2001017060A1 (fr) * 1999-08-31 2001-03-08 Robert Bosch Gmbh Radiateur d'antenne flexible
EP1750327A2 (fr) * 2005-08-01 2007-02-07 Hirschmann Car Communication GmbH Antenne tige, en particulier une antenne de radiotéléphonie mobile pour des véhicules
EP1783862A1 (fr) * 2005-10-18 2007-05-09 Hirschmann Car Communication GmbH Antenne tige avec support en fibres de verre avec un évidement
EP1926175A1 (fr) * 2006-11-22 2008-05-28 Hirschmann Car Communication GmbH Antenne fouet avec différents enroulements segmentés d'antenne

Also Published As

Publication number Publication date
EP2294653A1 (fr) 2011-03-16
DE202008018413U1 (de) 2013-08-02
DE102008002673A1 (de) 2009-12-31

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