EP2595239B1 - Antenne zur Wanddurchführung mit Wellenleiter mit einfachen oder doppelten Kanten - Google Patents

Antenne zur Wanddurchführung mit Wellenleiter mit einfachen oder doppelten Kanten Download PDF

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Publication number
EP2595239B1
EP2595239B1 EP12193517.5A EP12193517A EP2595239B1 EP 2595239 B1 EP2595239 B1 EP 2595239B1 EP 12193517 A EP12193517 A EP 12193517A EP 2595239 B1 EP2595239 B1 EP 2595239B1
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EP
European Patent Office
Prior art keywords
waveguide
wall
excitation
radiating
antenna
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Application number
EP12193517.5A
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English (en)
French (fr)
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EP2595239A1 (de
Inventor
Jacques Lourdou
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.)
Safran Electronics and Defense SAS
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Sagem Defense Securite SA
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Publication of EP2595239A1 publication Critical patent/EP2595239A1/de
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
    • H01P5/022—Transitions between lines of the same kind and shape, but with different dimensions
    • H01P5/024—Transitions between lines of the same kind and shape, but with different dimensions between hollow waveguides
    • 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
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/286—Adaptation for use in or on aircraft, missiles, satellites, or balloons substantially flush mounted with the skin of the craft
    • 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
    • H01Q13/06—Waveguide mouths

Definitions

  • the invention relates to the field of wall-pass antennas, and more particularly to wall-pass antennas whose radiating surface is flush with the outer surface of a wall of a portable, flying or land-based device.
  • the figure 1 illustrates a wall penetration antenna.
  • a radiating waveguide 2 passes through a wall 3, typically that of a flying machine, and is excited by means of an excitation box 1.
  • the box 1 of excitation is shaped to be arranged along the inner surface of the wall 3.
  • the excitation box 1 is coupled perpendicularly to the radiating waveguide 2 and comprises a coaxial plug 4 for feeding the antenna.
  • the radiating waveguide 2 is in the form of a rectangular waveguide.
  • a rectangular waveguide excites another rectangular waveguide which acts as a radiating element.
  • a known solution is to fill the inside of the excitation waveguide with a dielectric material which makes it possible to reduce the size of the excitation waveguide 1.
  • This solution is however not optimal because of the possible discontinuities of permittivity between the excitation guide and the radiating guide which can degrade the performance of the antenna.
  • a wall crossing antenna is known from US 2,756,419 .
  • the invention responds to this need by providing an antenna whose size is less than that of known solutions of the same type.
  • the invention also proposes a wall-pass antenna excitation system comprising a radiating waveguide (20) adapted to pass through a wall having an inner surface and an outer surface, an end of the waveguide radiating wave coming flush with the outer surface of the wall, the excitation system being shaped so as to be arranged along the inner surface of the wall, the system being characterized in that it accommodates a ridge waveguide (s).
  • the invention proposes according to a third aspect a portable device, flying or terrestrial comprising a wall traversed by an antenna according to the first aspect of the invention.
  • the size of the excitation waveguide is such that it is less bulky than a box used in the antennas of the same known type.
  • the mass of the antenna is therefore reduced which in the context of integration within a flying machine is advantageous or in the integration in a portable equipment. For example, for an antenna operating at 5 GHz the mass is reduced by a factor of 4 (125 g instead of 500 g).
  • the antenna has the advantage of being more discreet, the discontinuities in the structure of the flying machine having a smaller contour than when using a case of the prior art.
  • the wall-pass antenna comprises a radiating waveguide 20 adapted to pass through a wall 3 having an inner surface 31 and an outer surface 32.
  • An end 21 of the radiating waveguide 20 is flush with the outer surface 32 of the wall 3.
  • the wall-traversing antenna also comprises an excitation waveguide 10 coupled to the radiating waveguide 20 being arranged along the inner surface 31 of the wall 3.
  • the excitation waveguides 10 and radiation have a rectangular or circular external shape.
  • the excitation waveguide 10 is a waveguide (s) (in English, " waveguide ridge ").
  • the inner part of the excitation waveguide is therefore a recess having at least one edge.
  • the ridge waveguide (s) Compared to a waveguide with a rectangular recess, the ridge waveguide (s) has a lower thickness while maintaining equivalent radiation performance for the same working frequencies.
  • the thickness of the excitation waveguide is between 10 and 20 mm, preferably 16 mm.
  • FIGS. 3a and 3b respectively illustrate a front view of the recess of the single edge 40 and double edge excitation waveguide 41, 42.
  • the excitation waveguide 10 comprises a bend 101.
  • the excitation waveguide 10 comprises a first portion 100 which extends to a second portion 102 forming a bend 101.
  • the bend 101 forms an angle of 45 ° with a longitudinal axis of the first portion 101.
  • the coupling between the two guides is performed by means of screws (not shown).
  • the radiating waveguide 20 has an inner section which may be rectangular and having at least one edge (such as the excitation waveguide 10).
  • the radiating waveguide comprises a slot (which is identical to the inner section of the radiating guide).
  • the radiating waveguide 20 is configured to operate the antenna to have hemispherical radiation.
  • the inner sections of the excitation and radiating waveguides 20 are identical.
  • the radiation waveguide 20 is also at an edge (s).
  • the internal recess can be filled with a dielectric having a permittivity ⁇ typically between 1 and 6, typically equal to 3.
  • the radiating waveguide may also be filled with a dielectric material, preferably identical to that filling the guide. of excitation waves.
  • the radiating waveguide is identical to the excitation waveguide to improve the coupling of the two guides.
  • adjustment screws 50 may be provided on one edge of the excitation waveguide one behind the other in the longitudinal direction of the excitation guide. Such adjustment screws make it possible to introduce parasitic elements which make it possible to optimize the energy transfer in the frequency band of the antenna.
  • the antenna described above is adapted to be integrated in a portable device, flying or terrestrial comprising a wall which is traversed by the antenna.
  • the invention is not limited to an antenna as described above but also to an excitation system for a wall-passing antenna comprising a radiating waveguide 20 adapted to pass through a wall 3 having an internal surface and an outer surface, one end of the radiating waveguide flush with the outer surface of the wall, the excitation system being shaped to be arranged along the inner surface of the wall, the system accommodating a waveguide with ridge (s).

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)
  • Radiation-Therapy Devices (AREA)

Claims (10)

  1. Antenne zur Wanddurchführung, umfassend:
    - einen strahlenden Wellenleiter (20), der für die Durchquerung einer Wand (3) mit einer Innenfläche (31) und einer Außenfläche (32) angepasst ist, wobei ein Ende (21) des strahlenden Wellenleiters (20) bündig mit der Außenfläche (32) der Wand (3) abschließt;
    - einen Anregungswellenleiter (10), der für die Kopplung mit dem strahlenden Wellenleiter (20) geeignet ist, indem er entlang der Innenfläche (31) der Wand (3) angeordnet ist;
    wobei der Anregungswellenleiter (10) ein Wellenleiter mit Kante(n), ist.
  2. Antenne nach Anspruch 1, wobei der Anregungswellenleiter (10) einen ersten Teil (100) und einen zweiten Teil (102) umfasst, die durch eine Krümmung (101) miteinander verbunden sind, wobei der Anregungswellenleiter (10) mit dem strahlenden Wellenleiter (20) mittels des zweiten Teils (102) gekoppelt ist.
  3. Antenne nach einem der Ansprüche 1 bis 2, wobei der Anregungswellenleiter (10) ein Wellenleiter mit doppelten Kanten ist.
  4. Antenne nach einem der Ansprüche 1 bis 3, wobei der strahlende Wellenleiter (20) ein Wellenleiter mit einfacher/n oder doppelter/n Kante(n) ist.
  5. Antenne nach einem der Ansprüche 1 bis 4, wobei der Anregungswellenleiter eine oder mehrere Verstellschrauben (50) umfasst, die an der Kante angeordnet ist/sind.
  6. Antenne nach einem der Ansprüche 1 bis 5, wobei der Anregungswellenleiter (10) mit einem dielektrischen Material gefüllt ist.
  7. Antenne nach einem der Ansprüche 1 bis 6, wobei der strahlende Wellenleiter (20) mit einem dielektrischen Material gefüllt ist.
  8. Antenne nach einem der vorhergehenden Ansprüche, wobei die Dicke des Anregungswellenleiters (10) zwischen 10 und 20 mm, bevorzugt 16 mm, beträgt.
  9. Anregungssystem für Antenne zur Wanddurchführung, umfassend einen strahlenden Wellenleiter (20), der für die Durchquerung einer Wand (3) mit einer Innenfläche und einer Außenfläche angepasst ist, wobei ein Ende des strahlenden Wellenleiters bündig mit der Außenfläche der Wand abschließt, wobei das Anregungssystem ausgebildet ist, um entlang der Innenfläche der Wand angeordnet werden zu können, wobei das System dadurch gekennzeichnet ist, dass es einen Wellenleiter mit Kante(n) aufnimmt.
  10. Tragbare Vorrichtung, für Luft oder Boden, umfassend eine Wand, die durch eine Antenne nach einem der Ansprüche 1 bis 8 durchquert wird.
EP12193517.5A 2011-11-21 2012-11-21 Antenne zur Wanddurchführung mit Wellenleiter mit einfachen oder doppelten Kanten Active EP2595239B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1160603A FR2983000B1 (fr) 2011-11-21 2011-11-21 Antenne de traversee de paroi a guide d'ondes a simple ou double aretes

Publications (2)

Publication Number Publication Date
EP2595239A1 EP2595239A1 (de) 2013-05-22
EP2595239B1 true EP2595239B1 (de) 2015-03-25

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ID=47177852

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Application Number Title Priority Date Filing Date
EP12193517.5A Active EP2595239B1 (de) 2011-11-21 2012-11-21 Antenne zur Wanddurchführung mit Wellenleiter mit einfachen oder doppelten Kanten

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EP (1) EP2595239B1 (de)
FR (1) FR2983000B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3430685B8 (de) 2016-03-16 2020-06-17 Huber+Suhner Ag Adapterstruktur mit wellenleiterkanälen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756419A (en) * 1952-01-05 1956-07-24 Glenn L Martin Co Antenna
US3579242A (en) * 1969-12-23 1971-05-18 Nasa Antenna design for surface wave suppression
SE463489B (sv) * 1989-04-12 1990-11-26 Ericsson Telefon Ab L M Faeltvridande vaagledaroevergaang

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Publication number Publication date
FR2983000B1 (fr) 2014-01-03
FR2983000A1 (fr) 2013-05-24
EP2595239A1 (de) 2013-05-22

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