EP1121726B1 - Detecteur radar a plusieurs faisceaux, comportant un support pour une antenne cierge - Google Patents

Detecteur radar a plusieurs faisceaux, comportant un support pour une antenne cierge Download PDF

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Publication number
EP1121726B1
EP1121726B1 EP00954348A EP00954348A EP1121726B1 EP 1121726 B1 EP1121726 B1 EP 1121726B1 EP 00954348 A EP00954348 A EP 00954348A EP 00954348 A EP00954348 A EP 00954348A EP 1121726 B1 EP1121726 B1 EP 1121726B1
Authority
EP
European Patent Office
Prior art keywords
radar sensor
polyrod
holder
base plate
spacer
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.)
Expired - Lifetime
Application number
EP00954348A
Other languages
German (de)
English (en)
Other versions
EP1121726A1 (fr
Inventor
Ewald Schmidt
Hermann Mayer
Bernhard Lucas
Thomas Beez
Joachim Hauk
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
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
Publication of EP1121726A1 publication Critical patent/EP1121726A1/fr
Application granted granted Critical
Publication of EP1121726B1 publication Critical patent/EP1121726B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01Q1/27—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
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/24—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave constituted by a dielectric or ferromagnetic rod or pipe
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
    • H01Q19/062—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns

Definitions

  • the invention is based on a multi-beam radar sensor with a holder for a Polyrod (prefocusing body or also called stem radiator) after the genus of Main claim.
  • Radar sensors for which to focus Polyrods are used for example, from the WO 97/02496 known.
  • an FMCW radar sensor for one Vehicle proposed for the detection of objects, in which for example three transmit / receive elements on one lateral structure of a microwave stripline are upset.
  • a dielectric stem radiator (Polyrod) attached to better illuminate the dielectric lens and thus a prefocus to reach.
  • DE 197 10 811-Al describes a device for directed blasting and / or recording known electromagnetic waves.
  • This device consists of at least one antenna element, one dielectric lens and a dielectric body (Polyrod) between the antenna element and the dielectric lens is arranged.
  • This dielectric Body is used to avoid overexposure to the dielectric lens and for pre-focusing that of the Antenna element emitted or recorded electromagnetic waves.
  • the exact adjustment required is the dielectric body extensively and preferably pot-shaped. In this case too, the decoupling is insufficient adopt electromagnetic waves as for everyone Antenna elements of the same dielectric body are used becomes.
  • An antenna arrangement is known from GB 2 303 491 A, has the patch antennas, the emitted electromagnetic Energy using dielectric spotlights, the one have drawn, conical shape is coupled out.
  • the spotlights are mounted on the bracket Patch antennas kept.
  • Figure 1 shows a cross section of a Spacers for a Polyrod and Figure 2 shows one Bottom view.
  • FIG. 1 only contains the elements that a holder 4 according to the invention for Polyrods 3 represents.
  • the other elements of the radar sensor are well known and do not need to be explained in more detail become.
  • a microwave guide structure 2 shown over the three approximately conical Polyrods 3 are arranged.
  • the bracket 4 is so formed that the Polyrods 3, which with a back part 4a the bracket 4 are firmly connected, exactly above the transmitting / receiving elements the microwave waveguide structure 2 are arranged (not shown in Figure 1).
  • the distance a between the Surface of the microwave guide structure 2 and the Bottom of the Polyrods 3 in a range between 0 mm and 0.2 mm.
  • a change in distance a, too outside the specified range, is in individual cases also doable.
  • the Polyrods 3 are firmly connected to the bridge part 4a and above the bridge part 4a is also designed to be relatively solid, to a mutual relative movement of the polyrods 3 prevent are between the posts 4b and the bridge part 4a resilient areas 4c are provided.
  • the posts 4b are Compared to the base plate 1 in length so that the spacer 5 over the resilient areas 4c and Bridge part 4a, for example, pressed against the base plate becomes. The pressure is such that even under unfavorable operating conditions such as vibration, shock or Shock the exact observance of the distance a is guaranteed.
  • the spacer 5 either through Introduction of a suitable material into the construction insert.
  • the spacer 5 by Embossing or with plastics in casting, flowing or Pressing process to be pronounced.
  • the Bracket 4 uses a dielectric material that a reduction in the material of the Polyrods 3 mutual coupling of adjacent polyrods 3 favors.
  • Figure 2 shows a view from below. Like the drawing can be removed, the polyrods 3 through holes 6 led, which are arranged in series. By preferably 90 ° two cylindrical ones are rotated for this purpose Spacer 5 arranged.
  • the shape of the spacers 5 can be chosen arbitrarily under the given boundary conditions become. For example, it can also be ring-shaped around the Polyrods 3 can be formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Waveguide Aerials (AREA)
  • Support Of Aerials (AREA)

Claims (7)

  1. °) Détecteur radar à plusieurs faisceaux comportant une plaque de base (1) d'une structure de conducteur micro-ondes (2) installée sur la plaque de base, au moins une antenne cierge (3) pour préfocaliser les micro-ondes par des emplacements appropriés de la structure de guide de micro-ondes (2) ainsi qu'un support (4) pour recevoir au moins une antenne cierge (3),
    le support (4) comportant deux montants (4b) sur la plaque de base (1) et un pont (4a) entre les montants,
    l'antenne cierge (3) étant tenue par le pont (4a) à distance de la structure de guide de micro-ondes (2),
    caractérisé par
    des zones élastiques (4c) entre les montants (4b) et le pont (4a),
    le pont (4a) comportant un organe d'écartement (5) sur sa face inférieure par lequel le support (4) bloque la distance d'au moins une antenne cierge (3) par rapport à la structure de guide de micro-ondes (2) et les montants (4b) ont une longueur par rapport à la plaque de base (1) dimensionnée de façon que l'organe d'écartement (5) soit poussé contre la plaque de base (1) par la zone élastique (4c) et le pont (4a).
  2. Détecteur radar selon la revendication 1,
    caractérisé en ce que
    le support (4) comporte une ouverture (6) pour recevoir de manière bloquée une antenne cierge (3).
  3. Détecteur radar selon la revendication 1,
    caractérisé en ce que
    l'organe d'écartement (5) est une partie fixe du support (4).
  4. Détecteur radar selon l'une des revendications précédentes,
    caractérisé par
    un second organe d'écartement (5) entre le pont (4a) et la plaque de base (1).
  5. Détecteur radar selon la revendication 1,
    caractérisé en ce qu'
    on choisit la force de ressort pour que l'antenne cierge (3) ne change pas sa distance prédéterminée (a) sous l'effet de contraintes résultant d'un choc, d'une frappe ou de vibrations.
  6. Détecteur radar selon l'une des revendications précédentes,
    caractérisé en ce que
    le support (4) est réalisé pour que la distance entre l'antenne cierge (3) et la structure de guide de micro-ondes (2) puisse être bloquée sélectivement dans une plage comprise entre 0 mm et 0,2 mm.
  7. Détecteur radar selon l'une des revendications précédentes,
    caractérisé en ce que
    l'organe d'écartement (5) prévu solidairement contre la face inférieure du support (4) est en une matière essentiellement non élastique.
EP00954348A 1999-08-21 2000-07-21 Detecteur radar a plusieurs faisceaux, comportant un support pour une antenne cierge Expired - Lifetime EP1121726B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19939832 1999-08-21
DE19939832A DE19939832A1 (de) 1999-08-21 1999-08-21 Mehrstrahliger Radarsensor mit einer Halterung für ein Polyrod
PCT/DE2000/002372 WO2001015273A1 (fr) 1999-08-21 2000-07-21 Detecteur radar a plusieurs faisceaux, comportant un support pour une antenne cierge

Publications (2)

Publication Number Publication Date
EP1121726A1 EP1121726A1 (fr) 2001-08-08
EP1121726B1 true EP1121726B1 (fr) 2004-07-14

Family

ID=7919260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00954348A Expired - Lifetime EP1121726B1 (fr) 1999-08-21 2000-07-21 Detecteur radar a plusieurs faisceaux, comportant un support pour une antenne cierge

Country Status (5)

Country Link
US (1) US6667722B1 (fr)
EP (1) EP1121726B1 (fr)
JP (1) JP2003508733A (fr)
DE (2) DE19939832A1 (fr)
WO (1) WO2001015273A1 (fr)

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* Cited by examiner, † Cited by third party
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DE10008269C2 (de) * 2000-02-23 2002-01-31 Bosch Gmbh Robert Halterung für ein focussierendes Bauteil sowie Gehäuse für einen Radarsensor
DE102004059332A1 (de) * 2004-12-09 2006-06-14 Robert Bosch Gmbh Radar-Transceiver
DE602005009920D1 (de) * 2005-03-18 2008-11-06 Sony Deutschland Gmbh Gruppenantenne mit zumindest zwei Gruppen von mindestens einer Stabantenne
DE102006009012A1 (de) * 2005-11-29 2007-05-31 Robert Bosch Gmbh Moduleinheit für eine Radar-Antennenanordnung mit integriertem HF-Chip
DE102007057143A1 (de) * 2007-11-28 2009-06-04 Robert Bosch Gmbh Stiehlstrahler und Radar-Antennenanordnung
EP2219045B1 (fr) 2009-01-28 2012-03-14 Siemens Aktiengesellschaft Module haute fréquence de radar
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JP2003508733A (ja) 2003-03-04
DE19939832A1 (de) 2001-02-22
WO2001015273A1 (fr) 2001-03-01
US6667722B1 (en) 2003-12-23
DE50007067D1 (de) 2004-08-19

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