EP1121726B1 - Mehrstrahliger radarsensor mit einer halterung für ein polyrod - Google Patents
Mehrstrahliger radarsensor mit einer halterung für ein polyrod Download PDFInfo
- 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
Links
Images
Classifications
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- 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
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- 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
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- 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.
Description
Claims (7)
- Mehrstrahliger Radarsensor mit einer Grundplatte (1), einer auf der Grundplatte angeordneten Mikrowellenleiter-Struktur (2), mit wenigstens einem Polyrod (3), das zur Vorfokussierung von Mikrowellen über geeignete Stellen der Mikrowellenleiter-Strukur (2) angeordnet ist und mit einer Halterung (4) zur Fixierung des wenigstens einen Polyrods (3), wobei die Halterung (4) zwei an der Grundplatte (1) angeordnete Pfosten (4b) und ein zwischen den Pfosten angeordnetes Brückenteil (4a) aufweist, wobei die Polyrods (3) vom Brückenteil (4a) in Abstand von der Mikrowellenleiter-Struktur (2) gehalten werden, dadurch gekennzeichnet, dass zwischen den Pfosten (4b) und dem Brückenteil (4a) federnde Bereiche (4c) vorgesehen sind, das Brückenteil (4a) einen an dessen Unterseite angeordneten Abstandshalter (5) aufweist, durch den die Halterung (4) den Abstand des wenigstens einen Polyrods (3) zu der Mikrowellenleiter-Struktur (2) fixiert, und dass die Pfosten (4b) gegenüber der Grundplatte (1) in ihrer Länge so bemessen sind, dass der Abstandshalter (5) mittels der federnden Bereiche (4c) und dem Brückenteil (4a) gegen die Grundplatte (1) gedrückt wird.
- Radarsensor nach Anspruch 1, dadurch gekennzeichnet, daß die Halterung (4) eine Öffnung (6) zur fixierenden Aufnahme eines Polyrods (3) aufweist.
- Radarsensor nach Anspruch 3, dadurch gekennzeichnet, daß der Abstandshalter (5) als festes Teil der Halterung (4) ausgebildet ist.
- Radarsensor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß zwischen dem Brückenteil (4a) und der Grundplatte (1) ein zweiter Abstandshalter (5) vorgesehen ist.
- Radarsensor nach Anspruch 6, dadurch gekennzeichnet, daß die Federkraft derart gewählt ist, daß die Polyrods (3) ihren vorgegebenen Abstand (a) unter Schock-, Schlag- oder Vibrationsbelastungen nicht ändern.
- Radarsensor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Halterung (4) ausgebildet ist, den Abstand der Polyrods (3) zur Mikrowellenleiter-Struktur (2) wahlweise in einem Bereich zwischen 0 mm und 0,2 mm zu fixieren.
- Radarsensor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Abstandshalter (5) an der Unterseite der Halterung (4) fest angeordnet ist und ein im wesentlichen, nicht elastisches Material aufweist.
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 (de) | 1999-08-21 | 2000-07-21 | Mehrstrahliger radarsensor mit einer halterung für ein polyrod |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1121726A1 EP1121726A1 (de) | 2001-08-08 |
EP1121726B1 true EP1121726B1 (de) | 2004-07-14 |
Family
ID=7919260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00954348A Expired - Lifetime EP1121726B1 (de) | 1999-08-21 | 2000-07-21 | Mehrstrahliger radarsensor mit einer halterung für ein polyrod |
Country Status (5)
Country | Link |
---|---|
US (1) | US6667722B1 (de) |
EP (1) | EP1121726B1 (de) |
JP (1) | JP2003508733A (de) |
DE (2) | DE19939832A1 (de) |
WO (1) | WO2001015273A1 (de) |
Families Citing this family (136)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP1703590B1 (de) * | 2005-03-18 | 2008-09-24 | 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 (de) | 2009-01-28 | 2012-03-14 | Siemens Aktiengesellschaft | Radar-Hochfrequenzmodul |
US8537068B2 (en) * | 2010-01-26 | 2013-09-17 | Raytheon Company | Method and apparatus for tri-band feed with pseudo-monopulse tracking |
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GB2303491A (en) * | 1995-07-17 | 1997-02-19 | Plessey Semiconductors Ltd | Antenna arrangement |
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US6154175A (en) * | 1982-03-22 | 2000-11-28 | The Boeing Company | Wideband microstrip antenna |
US4633262A (en) * | 1982-09-27 | 1986-12-30 | Rogers Corporation | Microstrip antenna with protective casing |
US4697189A (en) * | 1985-04-26 | 1987-09-29 | University Of Queensland | Microstrip antenna |
JP3232895B2 (ja) * | 1994-08-05 | 2001-11-26 | 株式会社村田製作所 | 表面実装型アンテナ及びその周波数調整方法 |
EP0778953B1 (de) | 1995-07-01 | 2002-10-23 | Robert Bosch GmbH | Monostatischer fmcw-radarsensor |
ATE217455T1 (de) * | 1995-07-17 | 2002-05-15 | Dynex Semiconductor Ltd | Antennenanordnungen |
DE19710811B4 (de) | 1997-03-15 | 2006-06-01 | Robert Bosch Gmbh | Vorrichtung zum gerichteten Abstrahlen und/oder Aufnehmen elektromagnetischer Wellen |
US6147647A (en) * | 1998-09-09 | 2000-11-14 | Qualcomm Incorporated | Circularly polarized dielectric resonator antenna |
DE19859002A1 (de) * | 1998-12-21 | 2000-06-29 | Bosch Gmbh Robert | Vorrichtung zum gerichteten Abstrahlen und/oder Aufnehmen elektromagnetischer Strahlung |
-
1999
- 1999-08-21 DE DE19939832A patent/DE19939832A1/de not_active Withdrawn
-
2000
- 2000-07-21 EP EP00954348A patent/EP1121726B1/de not_active Expired - Lifetime
- 2000-07-21 JP JP2001519529A patent/JP2003508733A/ja not_active Withdrawn
- 2000-07-21 US US09/830,134 patent/US6667722B1/en not_active Expired - Fee Related
- 2000-07-21 DE DE50007067T patent/DE50007067D1/de not_active Expired - Fee Related
- 2000-07-21 WO PCT/DE2000/002372 patent/WO2001015273A1/de active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2303491A (en) * | 1995-07-17 | 1997-02-19 | Plessey Semiconductors Ltd | Antenna arrangement |
Also Published As
Publication number | Publication date |
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DE50007067D1 (de) | 2004-08-19 |
DE19939832A1 (de) | 2001-02-22 |
JP2003508733A (ja) | 2003-03-04 |
US6667722B1 (en) | 2003-12-23 |
EP1121726A1 (de) | 2001-08-08 |
WO2001015273A1 (de) | 2001-03-01 |
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