EP1700357A1 - Ensemble antenne en particulier pour applications radar dans des vehicules automobiles - Google Patents

Ensemble antenne en particulier pour applications radar dans des vehicules automobiles

Info

Publication number
EP1700357A1
EP1700357A1 EP04766763A EP04766763A EP1700357A1 EP 1700357 A1 EP1700357 A1 EP 1700357A1 EP 04766763 A EP04766763 A EP 04766763A EP 04766763 A EP04766763 A EP 04766763A EP 1700357 A1 EP1700357 A1 EP 1700357A1
Authority
EP
European Patent Office
Prior art keywords
antenna
arrangement according
antenna beam
planar
beam elements
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Withdrawn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
EP04766763A
Other languages
German (de)
English (en)
Inventor
Ewald Schmidt
Klaus Voiglaender
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 EP1700357A1 publication Critical patent/EP1700357A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433—Radio signals
    • B60C23/0435—Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
    • B60C23/0444—Antenna structures, control or arrangements thereof, e.g. for directional antennas, diversity antenna, antenna multiplexing or antennas integrated in fenders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/032—Constructional details for solid-state radar subsystems
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/40—Radiating elements coated with or embedded in protective material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/40—Radiating elements coated with or embedded in protective material
    • H01Q1/405—Radome integrated radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • 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
    • H01Q13/02—Waveguide horns
    • 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
    • H01Q13/10—Resonant slot antennas
    • H01Q13/106—Microstrip slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
    • H01Q9/0457—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line

Definitions

  • Antenna arrangement in particular for radar applications in motor vehicles
  • planar antenna arrangements are known as antenna beam elements with one or more conductive radiating surfaces (single patch or patch array) on dielectric substrate materials (patch antennas, microstrip antennas). These patches are either fed directly via contacted lines, e.g. at the edge of microstrip lines or through the substrate via vias in the patch area or within the multilayer substrate with a suitable layout via field coupling.
  • additional elements such as "Superstrat” (planar dielectric plate at a certain distance from the patches) or "Polyrod".
  • the antennas are covered with a radome.
  • the function of the Superstrat is integrated into the radome through suitable geometry and choice of material.
  • the measures of claim 1 ie with an antenna feed substrate, with conductor structures for field coupling to one or more planar antenna beam elements, one fixable against the antenna feed substrate
  • Receiving part for the planar antenna beam element (s), the receiving part itself or a housing part, which can be connected to it in a form-fitting manner in particular, is provided for HF shielding of the antenna feed substrate, and the receiving part and / or the housing part is / are structured in such a way that it is planar Antenna beam element (s) from which, as seen in the direction of radiation, an antenna guidance is achieved, an antenna arrangement can be achieved which is inexpensive, ensures favorable decoupling, absorbs manufacturing tolerances, has low losses and has a large bandwidth.
  • the assembly effort of the overall system into which the antenna system is integrated can be minimized with the measures of the invention.
  • webs can be integrated in a simple manner, which are suitable for forming HF chambers over the antenna feed substrate. This serves to decouple the planar antenna beam elements (patches) or their signal supply and other RF circuits on the same substrate.
  • the planar antenna beam element (s) can be applied to one or both sides of a dielectric substrate. A single installation of the antenna beam elements is therefore not necessary.
  • the substrate or the individual antenna beam elements can advantageously be introduced into openings in the receiving part, so that a defined distance from the antenna feed substrate is ensured even with manufacturing tolerances.
  • the breakthroughs can also advantageously be used to form complementary planar antenna beam elements (slot radiators).
  • the field coupling between the antenna feed substrate and the beam elements can be optimized if the distance is chosen to be less than a quarter of the operating wavelength, preferably 0.02 to approximately 0.1 of the operating wavelength. If the housing part is provided with at least one recess in the direction of the antenna feed substrate, the base of which is preferably planar, the antenna beam elements or the dielectric substrate can be easily mounted and fixed. Will the transition from
  • a particularly metallic receiving part itself or a housing part can have a cover made of dielectric material, which is shaped and dimensioned such that it can serve as a radome or superstrate.
  • This outer cover can have lugs in the area of the recesses which engage in the recesses in a form-fitting manner or in the case of complementary planar antenna beam elements
  • the receiving part consists of a dielectric material, it can be shaped and dimensioned such that it can itself serve as a radome or superstrate.
  • planar antenna beam element (s) can be embedded or injected into the dielectric receiving part.
  • the planar antenna beam element (s) can be embedded in a dielectric funcional part which can be inserted in a form-fitting manner in the receiving part and / or the housing part, in particular in its recess.
  • the receiving part can be equipped with locking elements for inserting and fixing the antenna beam elements. This makes assembly easier and that
  • Desired antenna lobes can be set or undesired side lobes suppressed by different numbers of antenna beam elements compared to associated coupling slots in the antenna feed substrate and different distances.
  • a stack arrangement i.e. Attaching several antenna beam elements one above the other can be easily implemented by storing them in the dielectric functional part or the radome.
  • the radiation lobes can also be optimized for desired antenna applications by inclining the surface normals of at least two antenna beam elements or inverse planar antenna beam elements to one another. It is also possible to combine normal planar antenna beam elements (metallic plates) with inverse planar radiation elements (slot radiators), in each case one type of planar antenna beam element being accommodated in a different structure (receiving part, cover). A variation in the number and the distance can also be provided here.
  • Figure 3 is an exploded view of an antenna arrangement from above
  • FIG. 4 shows an exploded view of an antenna arrangement from below
  • FIGS. 10 to 14 an antenna arrangement with patches in a substrate for external mounting
  • FIGS. 23 to 25 an antenna arrangement with patches arranged in the center
  • Figures 26 to 28 an antenna arrangement with different distances between
  • 29 to 31 show an antenna arrangement with different distances between the coupling slots and between the patches
  • FIGS. 32 to 34 an antenna arrangement with patches inclined with respect to the planes of symmetry
  • the invention is based on known planar metallic antenna beam elements (patches) which are insulated from one another and are positioned at a defined distance above an antenna feed substrate and are fed in a field-coupled manner.
  • Intermediate space either consist of air, the antenna beam elements being held mechanically outside the patch area, or of a plastic with a low dielectric constant (close to 1), which can be foamed.
  • Figure 1 shows a first embodiment of an antenna arrangement according to the invention
  • An antenna feed substrate 1 is provided with suitable conductor structures for field coupling via air to one or more planar metallic patches (antenna beam elements) 2 arranged above it.
  • the patches 2 are provided in a receiving part 3, which consists of plastic.
  • the distance between the feed substrate 1 and a patch 2 is chosen to be less than a quarter of the operating wavelength, preferably 0.02 to approximately 0.1 of the operating wavelength.
  • the patches 2 are preferably injected captively at the same time as the plastic part 3 is being injection molded. Either in such a way that the metal plates are completely encapsulated, or in such a way that they are only partially surrounded by plastic at the top, bottom or at the edge.
  • the thickness of the leaflets have at least such a thickness as for the production of the
  • Composite plastic / metal is necessary.
  • the stacking of patches is also easy to manufacture, preferably with two patches lying one above the other at a distance of up to approx. 1/10 of the wavelength of the medium in between.
  • the stacked patches can have the same or different sizes and geometries.
  • a housing part 5 is provided, which between the antenna feed substrate 1 and the
  • Recording part 3 is located.
  • the housing part 5 has a recess 6, into which the receiving part 3 with the patch 2 projects.
  • the end of the recess 6 is open - thus represents an antenna breakthrough - in order to achieve the field coupling between patch 2 and antenna feed substrate 1. The transition of the recess 6 from the end to
  • the outside of the housing part 5 is configured in a hom or funnel shape in order to achieve a targeted wave guidance in the radiation direction and at the same time an optimal wave resistance transformation from the patch 2 to the free space.
  • the housing part 5 is designed to be conductive, for example made of aluminum pressure or metallized Plastic injection. It can thus serve as an RF shield for the antenna feed substrate 1 underneath.
  • the housing part 5 is provided with webs 7. This creates over the guiding structures of the
  • Antenna feed substrate 1 RF chambers that prevent signal crosstalk to an arrangement in a neighboring chamber.
  • a housing base 8 is located under the antenna feed substrate 1.
  • the receiving part 3 and the housing base 8 are positively connected to the housing part 5, for example by screws, clamps, gluing, etc.
  • the Aufiiahmeteil 3 has a corresponding geometry for receiving the
  • the top or bottom side can face the antenna feed substrate 1.
  • the housing is designed in such a way that the distance between the antenna feed substrate 1 and patch 2 is defined over the entire circumference of the receiving part 3.
  • the conductive housing part 5 is not a receptacle for the complete antenna feed substrate, but is in turn only partially positioned on the antenna feed substrate 1. In this case, another part is called
  • the patches are in an additional functional part 4, e.g. made of plastic, stored / injected, which is inserted in a form-fitting manner in the housing part 5, in particular in its funnel-shaped or horn-shaped recess 6.
  • an additional functional part 4 e.g. made of plastic, stored / injected, which is inserted in a form-fitting manner in the housing part 5, in particular in its funnel-shaped or horn-shaped recess 6.
  • Receiving part 3 covers this functional part 4 and forms a unit with it. It can also serve as a radome.
  • the receiving part preferably has a groove 8 into which the functional part 4 can be pressed or glued.
  • Figure 3 shows the two alternatives of Figures 1 and 2 in a perspective view from above and Figure 4 from below, the alternative of Figure 1 on the left and the alternative of Figure 2 is shown in a common unit on the right.
  • This common unit with the two alternatives is advantageous, for example, if one alternative serves as a transmitting antenna and the other alternative as a receiving antenna.
  • the alternatives can then be optimized, for example, precisely to the desired different antenna characteristics, for example narrow transmission characteristics and broad reception characteristics or vice versa.
  • FIG. 5 shows an alternative to storing the patches 2 in the receiving part 3.
  • the receiving part 3 has on its underside latching elements 19, for inserting and fixing the antenna beam elements (patches) 2. These latching elements 19 protrude with the patches 2 through the antenna openings of the housing part 5 and are fixed on the housing part after fixing the antenna feed substrate 1 and the receiving part 3 5 captively positioned over the antenna feed substrate 1.
  • Figure 6a shows a perspective top view and Figure 6b shows a bottom view of an embodiment in which the antenna beam elements, here three patches in one
  • the antenna feed substrate 1 is, as before, at a distance of 0.02 to approximately 0.1 of the operating wavelength from the patches 2.
  • the receiving part 3 itself serves here as a housing part, as can also be the case with other design variants, and is pot-shaped with an upper cover side 10 and a housing frame 11.
  • the receiving part 3 points in the area of the substrate 9 in the direction of the antenna feed substrate 1 , a recess 6, the end of this recess passing into a breakthrough for the field coupling of the antenna feed substrate 1 to the substrate 9 or its patches 2.
  • the transition from the end / bottom of the recess 6 to the cover side 10 is funnel-shaped or homeshaped for wave guidance in the beam direction.
  • the substrate 9 is mounted from the outside, i.e. introduced into the recess 6 up to its planar base and fixed there before it passes into the opening.
  • the receiving part 3 has webs 7, each of which for example
  • Housing frame 11 extend to the recess 6.
  • the patch side of the substrate 9 is used in a defined manner facing or facing away from the antenna feed substrate 1, facing in FIG. 6.
  • the substrate 9 can also take on the function of the radome at the same time, so that an additional cover is not required.
  • the conductive receiving part 3 is not the complete recording Antenna conductor substrate 1, but is in turn applied only partially positioned on the antenna feed substrate 1. In this case, another part is required as a housing.
  • Figures 7, 8 and 9 show in a top view and in section the external assembly in detail.
  • the substrate 9 with the patches 2 is placed at the end of the recess 6 on a bead 12 which holds it at a defined distance from the antenna feed substrate 1.
  • the substrate 9 is fixed from below against the stop 13 of the receiving part 3 in the region of the recess 6, so that it also has a defined distance from the antenna feed substrate 1 in this embodiment.
  • the antenna arrangement with complementary structures consists of an antenna feed substrate 1 with suitable semiconductor structures for field coupling via air to form one or more complementary patches. The distance of the patches from that
  • Antenna feed substrate 1 is less than a quarter of the operating wavelength. Practical values are 0.02 to approx. 0.1 of the wavelength. Furthermore, a conductive housing / receiving part 3 with a corresponding geometry is provided for receiving the antenna feed substrate 1. Corresponding patch openings 14 are provided in the dining area above the substrate 1 in the continuation of the beam path, which act as slot radiators. The openings 14 have known patch shapes, such as the rectangular shape shown. With patch arrays, each feed can be chambered below the patches as previously implemented via the webs 7. This chamber geometry is chosen so that there are very good adaptations for the antenna at the operating frequencies. The antenna feed substrate 1 is attached to the housing by the methods described above, such as screwing, gluing, clamping ...
  • the existing cover / cover 15 of the arrangement made of a suitable dielectric material, for example plastic or ceramic, is shaped in this way in the antenna area and dimensioned that radome properties are guaranteed.
  • the special shape is preferably directed into the housing. This results in the smallest possible volume for the device. This is possible because chambers for HF circuits locally need a certain height next to the antennas, which is then available to the antennas themselves as usable volume in the antenna area.
  • Cover / lid 15 of the arrangement made of a suitable dielectric material, e.g. Plastic or ceramic is shaped and dimensioned in the antenna area so that radio properties are guaranteed.
  • the special shape is preferably directed into the housing. This results in the smallest possible volume for the device. This is possible because chambers for RF circuits locally need a certain height next to the antennas, which is then available in the antenna area of the antennas itself as a usable volume.
  • the existing cover / lid 15 of the arrangement made of a suitable dielectric material, e.g. Plastic or ceramic is in the antenna area inside the device, i.e. formed in the recesses 6, i.e. has at least one approach 51 ( Figures 18 and 19) that the airspace up to the
  • Stacked (stacked) patch antennas can be easily realized in combination with the inverse patch arrangements mentioned above and the metal patch attachment described above (injecting slack patches 21 into the lid 15 or liping)
  • the openings 6 in the receiving / housing part 3 can again have known funnel or horn antenna shapes in the further course of the antenna axis.
  • the conductive housing is not accommodated for the entire conductor substrate, but is itself only partially positioned on the substrate. In this case, another part is required as a housing.
  • an arrangement of N welding structures on the surface of the ceramic, alternatively printed circuit board or multilayer composite materials is to be provided, which feed an array of M patches which are fastened to a cover housing.
  • M patches which are fastened to a cover housing.
  • four patch metal platelets are arranged at a constant height in the middle above the four coupling slots in LTCC substrate or organic multilayer substrate.
  • the desired directional characteristic can be represented with a wider lobe and a maximum perpendicular to the surface if no phase shift between the element currents is set.
  • An arrangement with an even number of food elements and a larger even number of patches leads to an even wider club, but with a slight minimum in the vertical direction to the surface. If you select this indentation to a maximum of 3 dB, the opening angle can be widened by up to 20% compared to the last solution.
  • Number of food elements / patches improve side lobe suppression.
  • Coupling factors are set finer and additional directional diagram properties such as improved side lobe suppression or beam broadening can be achieved by small indents.
  • a predefined performance distribution (tapering) can also be applied to the
  • FIGS. 23 to 25 show an arrangement with four patches arranged in the middle via corresponding coupling slots 22 on the antenna feed substrate 1.
  • M patches 2 are arranged over N coupling slots 22, with equal distances between the coupling slots and others or equal distances are adhered to in patches 2.
  • N 5 equidistant patches 2 in the radome via
  • M 4 equidistant coupling slots 22 on the antenna feed substrate 1 are shown.
  • the distances, separately for coupling slots 22 and patches 2 are set to change or change symmetrically outwards compared to the first variant.
  • M and N are natural numbers, preferably M> N.
  • FIGS. 32 and 33 show a variant in this regard with, for example, 3 complementary (inverse) patches 2 (slot radiators) which are inclined inwards.
  • the base of the arch 6 of the receiving part 3 is divided into three mutually inclined surfaces, in each of which slots are provided. Due to the different coupling coefficients, due to different heights in the Z direction, higher side lobe suppression can be generated.
  • the patches 2 can be tilted divergent outwards. A rotation of the surface normal around the Y axis moves a beam swivel away from the normal. The rotation can also be different for the individual patches 2.
  • the top cover 23 serves as a radome and has no electrical function.
  • the radome 23 In order to increase the bandwidth and to utilize a larger aperture (higher antenna gain), it is advantageous to give the radome 23 an electrical focusing, similar to known dielectric lenses. The effect is enhanced if additional electrical radiator structures are attached to the radome. It can be done by injecting, pressing in or galvanizing. If more patches such as coupling slots are applied to the radome, a feed circuit that is small in size can illuminate a much larger area (cf. the design variants according to FIGS. 29 to 31).
  • the patches can also be tilted about the Y-axis for str-d-coupling.
  • a jagged or stepped form of the radome can also be represented.
  • a continuous contour is often required for manufacturing reasons. Tapering can also be provided. Arrangements such as uneven spacing of the coupling slots, uneven spacing of the patches,
  • FIGS. 32, 33 and 34 show an arrangement with inverse patches 2, in which the surface normals are turned inwards. It goes without saying that arrangements turned outward can also be represented.
  • the highs can also contain positive or negative levels.
  • the inverse patches can also be rotated about the Y axis (FIG. 34, top left).
  • the representation is based on a column with 3, 4 or 5 patches, but patch arrays can also be constructed with a number of columns different from 1, e.g. 6x4 elements with a continuous inner curved surface.
  • further normal patches 2 are held in the radome material in addition to the inverse patches in addition to the previous one. This leads to a broadband antenna arrangement.
  • the number of slots (inverse patches) and normal patches are different.
  • the M patches are now fed through N coupling slots on a flat HF-suitable printed circuit board made of, for example, organic material or ceramic material such as LTCC (antenna feed substrate 1).
  • LTCC inverter feed substrate 1
  • the Z distances of patches 2 increase symmetrically towards the outside.
  • the patches can also sit on a jagged edge curve and be tilted in the X and / or Y direction.
  • the arrangement can also be carried out in several different columns.
  • the z distances can also decrease symmetrically outwards. Continuous contours are often preferred for manufacturing reasons.
  • Possible applications for the exemplary embodiments presented above are preferably found in motor vehicle technology such as radar distance measurement, ACC (Automatic Cruise Control), parking aids, vehicle-to-vehicle communication, tire pressure transmission, engine data transmission. Use in power tools, e.g. for the detection of lines is also possible. Usage is usually limited to frequencies above 1 GHz.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Details Of Aerials (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne un ensemble antenne qui comprend un substrat d'alimentation d'antenne (1) qui est, avec ses structures conductrices, relié, par couplage de champ, avec des éléments rayonnants d'antenne (2) planaires. Pour ces éléments rayonnants d'antenne (2), une partie logement (3) peut être fixée contre le substrat d'alimentation d'antenne (1). Cette partie logement (3) elle-même ou une partie boîtier (5), pouvant être assemblée par liaison de forme avec celle-ci, sert de blindage HF pour le substrat d'alimentation d'antenne (1). La partie logement (3) et/ou la partie boîtier (5) sont structurées de telle sorte qu'un guidage d'ondes se fait à partir des éléments rayonnants d'antenne (2) planaires, vu dans le sens de rayonnement.
EP04766763A 2003-10-27 2004-09-10 Ensemble antenne en particulier pour applications radar dans des vehicules automobiles Withdrawn EP1700357A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10350034A DE10350034A1 (de) 2003-10-27 2003-10-27 Antennenanordnung insbesondere für Radaranwendungen bei Kraftfahrzeugen
PCT/EP2004/052129 WO2005043675A1 (fr) 2003-10-27 2004-09-10 Ensemble antenne en particulier pour applications radar dans des vehicules automobiles

Publications (1)

Publication Number Publication Date
EP1700357A1 true EP1700357A1 (fr) 2006-09-13

Family

ID=34485092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04766763A Withdrawn EP1700357A1 (fr) 2003-10-27 2004-09-10 Ensemble antenne en particulier pour applications radar dans des vehicules automobiles

Country Status (6)

Country Link
US (1) US7696938B2 (fr)
EP (1) EP1700357A1 (fr)
JP (1) JP4217713B2 (fr)
CN (1) CN1875519A (fr)
DE (1) DE10350034A1 (fr)
WO (1) WO2005043675A1 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4286855B2 (ja) * 2006-09-07 2009-07-01 株式会社日立製作所 レーダ装置
DE102007034329A1 (de) * 2007-07-24 2009-01-29 Robert Bosch Gmbh Radarvorrichtung
DE102007044990A1 (de) * 2007-09-20 2009-04-09 Robert Bosch Gmbh Abschirmvorrichtung
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JP2006514809A (ja) 2006-05-11
US7696938B2 (en) 2010-04-13
DE10350034A1 (de) 2005-05-25

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