EP0535374B1 - Dispositif radar avec un système d'antennes tournant en azimut - Google Patents

Dispositif radar avec un système d'antennes tournant en azimut Download PDF

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Publication number
EP0535374B1
EP0535374B1 EP92114664A EP92114664A EP0535374B1 EP 0535374 B1 EP0535374 B1 EP 0535374B1 EP 92114664 A EP92114664 A EP 92114664A EP 92114664 A EP92114664 A EP 92114664A EP 0535374 B1 EP0535374 B1 EP 0535374B1
Authority
EP
European Patent Office
Prior art keywords
antenna
actuator
antenna head
head
pivoting
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
EP92114664A
Other languages
German (de)
English (en)
Other versions
EP0535374A1 (fr
Inventor
Alfred Dipl.-Ing Ebert
Joachim Kranberg
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0535374A1 publication Critical patent/EP0535374A1/fr
Application granted granted Critical
Publication of EP0535374B1 publication Critical patent/EP0535374B1/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
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation

Definitions

  • the invention relates to a radar system according to the preamble of claim 1.
  • the antenna system rotating in azimuth can also be designed to be pivotable in elevation.
  • a system rotating in azimuth with a support, a head and, in addition, a bellows and a horizontal swivel axis with an angular range in the elevation (+ 20 °, - 20 °) in the elevation is known.
  • An actuator is provided on the head with a swivel joint on the head and a swivel joint on the carrier.
  • the angle in the elevation is fully automatic and steplessly controllable.
  • this known system is designed so that it cannot be operated and controlled via a central rotary coupling, since the actuator extends centrally along the azimuth axis.
  • the position of the actuator in the middle must be chosen because the antenna head is articulated at the top of the carrier.
  • the invention is therefore based on the object of designing a radar system of the type mentioned at the outset such that, when using a rotary coupling installed centrally along the azimuth axis of rotation, in addition to a rotation of the antenna system in azimuth, a pivoting in elevation is also possible, with reliable sealing of both the actuator as well as the rotary coupling to the outside is guaranteed.
  • the rotating and swiveling range of the radar system is protected against external influences such as dirt, water, Icing and animal nesting protected.
  • the system is therefore also designed for harsh military operations.
  • the pivoting process can expediently be carried out continuously.
  • a sufficient reception range of the radar system is achieved if the actuator is set to a swivel angle of approximately 10 °.
  • the pivoting process can advantageously be controlled fully automatically, since there is no line of sight between the operator and the antenna system during operation of the radar system.
  • the radar system shown consists of a on a base, for. B. an antenna tower of a vehicle fixed antenna base 1 and an antenna base arranged on the antenna base 2 with a z. B. groove and bridge horns comprising antenna system which is rotatable about the plane of rotation 3 in azimuth against the antenna base 1.
  • the carrier 5 for the antenna head 2 is Provided above the azimuth rotation plane 3 and consists of a receiving plate 6 and a base plate 7 mounted thereon, while the underside of the antenna head 2 facing the antenna base is closed off with a further plate 8.
  • the plates 6, 7 and 8 are designed to carry out, for example, the rotary coupling 4.
  • the antenna head 2 containing the antenna system can be pivoted on one side about a pivot axis 9 formed by two bearings in a certain angular range in elevation on the carrier 5 or on its base plate 7 and thus pivotable with respect to the antenna base 1 stored.
  • an actuator 10 for example a spindle drive or a rack and pinion drive or a hydraulic drive, is provided, which is largely located within the antenna head 2.
  • the actuator 10 is supported at one end in a swivel joint 11 within the antenna head 2 and at the other end in a further swivel joint 12 near the axis of rotation on the base plate 7, so that the antenna base 1 does not need to be changed for storage at this end.
  • the actuator 10 enables the antenna head 2 and thus the antenna system to be pivoted in elevation by an infinitely adjustable angle ⁇ of, for example, 10 °.
  • the control and supply lines for the actuator 10 are fed via the rotary coupling 4, the pivoting process being controllable fully automatically.
  • the "mouth” that opens during the pivoting process between antenna head 2 and antenna base 1 is protected against external influences by a surrounding bellows 14, which is tightly connected to the plate 8 of the antenna head 2 and the base plate 7 of the carrier 5.
  • the circumferential bellows 14 thus also encloses the actuator 10 and the rotary coupling 4, so that a rotating and pivoting system that is completely protected from the outside is created.
  • the bellows 14 expediently consists of weather-resistant material, for example rubber, and is tapered in the direction of the pivot axis 9 of the antenna head 2, as is clearly shown in the figure, wherein it merely forms a loop 15 on the side of the pivot axis.
  • the system shown is controlled in such a way that the rotation process in the elevation is also possible during the rotation of the antenna system in azimuth.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Claims (6)

  1. Installation radar comportant un système d'antenne, qui peut tourner autour d'un axe vertical d'azimut et autour d'un axe horizontal de basculement (9), qui recoupe l'axe d'azimut et qui est prévu dans une tête d'antenne (2), qui est disposée de manière à pouvoir tourner d'un côté autour de l'axe de basculement (9), sur une plage angulaire déterminée en élévation, sur un support (5) monté de manière à pouvoir tourner autour de l'axe d'azimut sur une base fixe (1) de l'antenne, et dans laquelle pour le basculement de la tête (2) de l'antenne, il est prévu un actionneur (10), qui est monté par une extrémité dans une articulation tournante (11) à l'intérieur de la tête (2) de l'antenne et, sur l'autre extrémité, dans une articulation tournante (12) sur le support (5) et qui est étanchéifié vis-à-vis de l'extérieur au moyen d'un soufflet enveloppant (14), qui relie la tête (2) de l'antenne au support (5),
    caractérisée en ce
    que l'actionneur (10) est disposé dans une large mesure à l'intérieur de la tête (2) de l'antenne, qu'un accouplement rotatif (4), qui est situé à la partie supérieure de la base fixe (1) de l'antenne et dans lequel s'étendent les lignes de commande et d'alimentation (13) prévues pour l'actionneur (10), pénètre dans la tête (2) de l'antenne et est renfermé de façon étanche, conjointement avec l'actionneur (10), par le soufflet enveloppant (14), que la tête (2) de l'antenne possède une plaque (8) sur le côté inférieur tourné vers la base (1) de l'antenne, que le support (5) de la tête (2) de l'antenne est constitué par une plaque de réception (6) et une plaque de base (7) montée sur cette plaque de réception et sur laquelle sont montés d'une part la tête (2) de l'antenne et d'autre part, et ce à proximité de l'axe de rotation en azimut, l'actionneur (10), que la plaque (8) de la tête (2) de l'antenne ainsi que la plaque de réception (6) de la plaque de base (7) du support (5) sont agencées de façon appropriée pour le passage de l'accouplement rotatif, et que le soufflet (14) est relié de façon étanche à la plaque (8) de la tête (2) de l'antenne et à la plaque de base (7) du support (5) et est agencé avec une forme conique se rétrécissant en direction de l'axe horizontal de basculement (9) de la tête (2) de l'antenne.
  2. Installation radar selon la revendication 1, caractérisée en ce que l'opération de basculement peut être exécutée progressivement.
  3. Installation radar selon la revendication 1 ou 2, caractérisée en ce que l'opération de basculement est commandable d'une manière entièrement automatique.
  4. Installation radar selon l'une des revendications 1 à 3, caractérisée en ce que l'actionneur (10) est réglé sur un angle de basculement α d'environ 10°.
  5. Installation radar selon l'une des revendications précédentes, caractérisée en ce que l'actionneur (10) comporte un dispositif d'entraînement à broche ou un dispositif d'entraînement à crémaillère ou un dispositif d'entraînement hydraulique.
  6. Installation radar selon l'une des revendications précédentes, caractérisée en ce que le soufflet (14) agencé avec une forme conique forme une boucle dans la zone de l'axe de basculement (9).
EP92114664A 1991-09-30 1992-08-27 Dispositif radar avec un système d'antennes tournant en azimut Expired - Lifetime EP0535374B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4132575 1991-09-30
DE4132575 1991-09-30

Publications (2)

Publication Number Publication Date
EP0535374A1 EP0535374A1 (fr) 1993-04-07
EP0535374B1 true EP0535374B1 (fr) 1996-12-04

Family

ID=6441840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92114664A Expired - Lifetime EP0535374B1 (fr) 1991-09-30 1992-08-27 Dispositif radar avec un système d'antennes tournant en azimut

Country Status (2)

Country Link
EP (1) EP0535374B1 (fr)
DE (1) DE59207614D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113030869A (zh) * 2017-12-18 2021-06-25 深圳市大疆创新科技有限公司 旋转雷达及无人机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486293B1 (fr) * 1980-07-04 1986-11-21 Europ Agence Spatiale Nouveau dispositif d'orientation et de positionnement d'une charge utile
US4654670A (en) * 1985-02-27 1987-03-31 Tracker Mounts Inc. Tracker mount assembly for microwave dishes
FR2627635B1 (fr) * 1988-02-19 1990-12-07 Lmt Radio Professionelle Mecanisme d'asservissement en site et en azimut et antenne equipee d'un tel mecanisme

Also Published As

Publication number Publication date
EP0535374A1 (fr) 1993-04-07
DE59207614D1 (de) 1997-01-16

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