EP0007831B1 - Vorrichtung zur Einstellung des Seiten- und Höhen-Winkels eines Reflektors für elektromagnetische Wellen - Google Patents

Vorrichtung zur Einstellung des Seiten- und Höhen-Winkels eines Reflektors für elektromagnetische Wellen Download PDF

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Publication number
EP0007831B1
EP0007831B1 EP79400456A EP79400456A EP0007831B1 EP 0007831 B1 EP0007831 B1 EP 0007831B1 EP 79400456 A EP79400456 A EP 79400456A EP 79400456 A EP79400456 A EP 79400456A EP 0007831 B1 EP0007831 B1 EP 0007831B1
Authority
EP
European Patent Office
Prior art keywords
azimuth
reflector
elevation
movable
adjusting
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
Application number
EP79400456A
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English (en)
French (fr)
Other versions
EP0007831A1 (de
Inventor
Yves Le Nevez
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Publication of EP0007831A1 publication Critical patent/EP0007831A1/de
Application granted granted Critical
Publication of EP0007831B1 publication Critical patent/EP0007831B1/de
Expired 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
    • H01Q1/12—Supports; Mounting means
    • H01Q1/125—Means for positioning

Definitions

  • the invention relates to the adjustment of wave reflectors, such as those used in particular for radio links, called passive reflectors in the far field.
  • a passive reflector is said to be "in the far field when its distance to one or the other of the antennas of the radio link is at least equal to 2 D 2 / X, D being the diameter or the vertical dimension of the most open large: antenna or passive.
  • the passive far field reflector is used in the case where the optical visibility between the two active ends to be joined by the radio link does not exist, and where the link budget is such that a reflector of relatively small dimensions makes it possible to obtain a sufficient margin and therefore a good quality of connection.
  • the passive reflector In the mountains, the passive reflector is used to cross ridges separating two points which are often not far from each other in the horizontal plane. In this case, the use of the passive reflector is advantageous, since it requires practically no maintenance and above all it avoids the construction of a station with active relay in places that are difficult to access.
  • the passive reflector is often used to directly access the telephone exchange in a city when it is not directly visible from the other end of the radio link. Such an arrangement avoids the construction of a terminal radio station and the transfer of signals received by cables to the telephone exchange.
  • Such a passive reflector usually consists of a non-deformable metallic flat panel (generally made of aluminum alloy which combines lightness, good conductivity and unalterability over time) installed on a pylon with the interposition of support means adjustable along two perpendicular pivot axes. , one to be able to obtain the site and the other the desired azimuth.
  • the subject of the present invention is a relatively inexpensive device making it possible to advantageously establish such settings quickly and easily.
  • the device according to the invention for adjusting the orientation in azimuth and in elevation of a wave reflector, in particular for radio links, comprising a fixing plate on a reference surface of the reflector and an optical telescopic sight in the direction of the transmitter and the wave receiver is characterized in that it comprises a cradle secured to the plate (1) and supporting a pivoting element movable in the adjustment site plane, means for reading the relative angular position between the cradle and the movable element in elevation, the latter supporting a movable element in azimuth mounted rotating around an axis perpendicular to the pivot axis in elevation, means for reading the relative angular position in azimuth between the movable element in elevation and the movable element in azimuth, said telescopic sight being mounted movable in elevation on said movable element in azimuth, means for adjustable fixing of the plate on the reflector r and a spirit level carried by the movable element in azimuth to adjust the verticality of the
  • the projection Ol of the bisector CI on the horizontal plane is not the bisector Ol 'of the angle S 2 OS' 1 equal to 2a (measurable on the map or calculable) and makes an angle with it ⁇ .
  • the calculation of the site angle ⁇ 3 of the reflector and of ⁇ gives the following results: the signs giving the meaning of ⁇ , and ⁇ 1 and ⁇ 2 can be measured or calculated from the topographic data of points C, S 1 and S 2 .
  • the orientation adjustment device shown in FIGS. 2 and 3 comprises a plate 1 with a square profile on which two spaced U-shaped flanges 2 and 3 are fixed by screws, matching said square profile and one of the branches of which is crossed by a threaded rod 4 provided with an operating button 5 and a clamping shoe 6 intended to allow the fixing of the plate 1 in a position where it marries the upper edge of the reflective panel R, or even a localized reference surface of the flatness of it.
  • the flanges 2 and 3 are also each provided in the central branch of the overlapping U of the panel they form, with a screw 7 with pad 8 freely passing through the plate 1 and which is provided with an operating button 9 in view to allow, as will be seen, an adjustment of horizontality of the device in the plane of the reflective panel.
  • a cradle 10 pivotally supporting along the arc of the joint plane 11 (see fig. 2) to which corresponds a virtual pivot axis P, an element 12 movable in the adjustment site plan considering the device attached to the reflector panel.
  • This element 12 can be moved around the virtual axis P using a manual button control 13 driving a usual mechanism not shown, with tangent screw secured to said button and journalling in the cradle 10 as well as cooperating with an arc of tangent wheel of center P integral with said element 12.
  • the angular position of the latter relative to the cradle 10 can be read by means of a graduation such as 14 formed on one of the parts 10-12, the other of which bears a reading vernier 14a.
  • Finer divisions of this graduation may alternatively be provided on the fixed bearing of the aforementioned tangent screw, opposite the adjacent edge of the button 13 provided with a reading index.
  • an element 15 constituting a movable element in azimuth.
  • This element 15 can be moved around the virtual axis V by means of a manual control with a button 16 driving a usual mechanism, not shown, with tangent screw secured to said button and rotating in the element 12 as well as cooperating with a wheel.
  • tangent of axis V integral with the element 15.
  • the angular position of the latter relative to the element 12 can be read using a peripheral scale such as 17 provided on one of the parts 12-15, of which the other wears a reading vernier 17a.
  • a yoke 18 between the rising branches of which is articulated support, by the axes 19 and 20 of which it is integral, a collar 21 for tightening a telescopic sight 22, movable in elevation between the branches of the yoke 18 and maneuverable using a button 23 secured to said axis 20.
  • the plate 1 is brought into position on the upper edge of the panel, whose flatness it follows by its drooping wing and, before being immobilized by tightening on the panel of the pads 6, the horizontality of the device in the plane of the panel is ensured by rotating the movable element 15 at a right angle relative to its position in FIGS. 2 and 3, so as to bring the bubble level 24 in parallel with the upper edge of the panel, so that by wedging the bubble between its marks by using the screws 7 with support pad 8 the desired horizontality is established, the element 15 being able to be brought for this operation approximately vertically.
  • the plate can then be immobilized using the pads 6.
  • the first step is to adjust the reflective panel in elevation, by bringing the movable element 15 in the state shown in drawing of perpendicularity of direction of the bubble level 24 with respect to the plane of the panel, which can here correspond to a coincidence of zero of the graduation in azimuth 17 with the corresponding vernier 17a.
  • Reiterations can be provided in elevation and azimuth to refine the adjustment that the device according to the invention makes it possible to obtain much more simply and quickly than with the methods hitherto known.

Claims (2)

1. Vorrichtung zum Einregeln der Richtung eines Wellenreflektors, insbesondere für Richtfunkverbindung, nach Azimut und Höhe, die eine Befestigungsplatte (1) auf einer Bezugsfläche des Reflektors und ein optisches Visierfernrohr (22) in Richtung des Senders und Empfängers der Wellen umfasst, dadurch gekennzeichnet, dass sie enthält : Einen fest mit der Platte (1) befestigten Pendelrahmen (10), der ein in der vertikalen schwenkbares einstellbares Teil (12) trägt, ferner Mittel zum Ablesen (14, 14a) der relativen Winkellage zwischen dem Pendelrahmen (20) und dem in der vertikalen schwenkbaren Teil (12) wobei dieses letztere ein horizontal um eine Achse drehbar angeordnetes Teil (15) trägt, die zur Achse der vertikalen Schwenkbewegung senkrecht steht, ferner Mittel zum Ablesen (17, 17a) der relativen Winkellage zwischen dem vertikal schwenkbaren Teil (12) und dem horizontal drehbaren Teil (15), wobei das genannte Visierfernrohr (22) vertikal schwenkbar auf dem genannten horizontal drehbaren Teil (15) montiert ist, einstellbare Befestigungsmittel (2 bis 9) zum Befestigen der Platte (1) auf dem Reflektor (R) sowie eine Wasserwaage (24), die von dem horizontal drehbaren Teil (15) getragen -wird um die Drehachse für die horizontale Drehung der Vorrichtung genau senkrecht zu stellen, wobei diese Wasserwaage (24) anschliessend dazu dient, den Reflektor (R) in die durch Anklemmen der Wasserwaage während des vertikalen Schwenkens Reflektors angezeigte Lage zu führen wobei der Reflektor durch Übereinstimmen der Visierlinie des Fernrohrs (22) im berechneten Horizontalwinkel mit der Richtung des Senders oder Empfängers der reflektierten Wellen in den gewünschten Horizontalwinkel geführt wird.
2. Vorrichtung gemäss Anspruch 1, dadurch gekennzeichnet, dass die genannten einstellbaren Befestigungsmittel umfassen : Zwei Spannbügel (2, 3), die über den oberen Rand der genannten Bezugsfläche des Reflektors (R) geschoben werden und von denen jeder eine Regelschraube (7, 8) hat, die auf dem genannten oberen Rand aufliegen und die dazu dienen, die Vorrichtung gemäss dem genannten oberen Rand genau waagrecht einzustellen.
EP79400456A 1978-07-19 1979-07-04 Vorrichtung zur Einstellung des Seiten- und Höhen-Winkels eines Reflektors für elektromagnetische Wellen Expired EP0007831B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7821452 1978-07-19
FR7821452A FR2431775A1 (fr) 1978-07-19 1978-07-19 Dispositif pour le reglage d'orientation en azimut et en site d'un reflecteur d'ondes

Publications (2)

Publication Number Publication Date
EP0007831A1 EP0007831A1 (de) 1980-02-06
EP0007831B1 true EP0007831B1 (de) 1983-05-11

Family

ID=9210922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79400456A Expired EP0007831B1 (de) 1978-07-19 1979-07-04 Vorrichtung zur Einstellung des Seiten- und Höhen-Winkels eines Reflektors für elektromagnetische Wellen

Country Status (4)

Country Link
US (1) US4269508A (de)
EP (1) EP0007831B1 (de)
DE (1) DE2965359D1 (de)
FR (1) FR2431775A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9408343U1 (de) * 1994-05-20 1994-09-22 Delega Group Management S A Satellitenantenne

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495706A (en) * 1982-07-19 1985-01-29 The Stolle Corporation Alignment gage for dish antenna
FR2595872B1 (fr) * 1986-03-11 1988-07-01 Centre Nat Etd Spatiales Ensemble d'etalonnage des angles d'elevation et d'azimut de l'axe radioelectrique d'une antenne
FR2741720B1 (fr) * 1995-11-23 1999-06-18 Jv Electronique Sa Systeme de pointage d'antenne par satellite geostationnaire
FR2791182B1 (fr) * 1999-03-17 2002-06-14 Ded Lyon Embase servant a la mise en place d'une antenne sur une paroi verticale, notamment sur la facade d'un immeuble
CN104697488B (zh) * 2015-04-02 2017-06-13 北京天源科创风电技术有限责任公司 一种平面法线方位角测量方法及其应用
JP2017090395A (ja) * 2015-11-17 2017-05-25 株式会社ミツトヨ 干渉対物レンズ及び参照面ユニットセット
CN106871859B (zh) * 2017-01-03 2020-07-03 电子科技大学 一种刚体空间定轴转动角度检测方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1852166A (en) * 1929-09-24 1932-04-05 Kaster Spherant Company Position finder
DE1098554B (de) * 1957-09-28 1961-02-02 Joachim Skibowski Richtfunkverbindungsvorrichtung fuer Hoechstfrequenzen
US3060583A (en) * 1960-06-27 1962-10-30 Bell Telephone Labor Inc Compensating arrangements
DE1463009B2 (de) * 1963-12-19 1971-08-12 Fa Carl Zeiss, 7920 Heidenheim Vorrichtung zur richtungseinstellung groesserer optischer oder radioastronomischer geraete
CH474873A (de) * 1968-05-09 1969-06-30 Siemens Ag Albis Vorrichtung zum Anheben der Richtantenne eines Radargerätes um einen bestimmten Winkel
DE1814585A1 (de) * 1968-12-13 1970-06-25 Elgeo Instr Of America Inc Geodaetisches Instrument
FR2350741A1 (fr) * 1976-05-07 1977-12-02 Thomson Csf Appareil pour le reglage de la position d'un reflecteur passif plan pour liaisons radioelectriques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9408343U1 (de) * 1994-05-20 1994-09-22 Delega Group Management S A Satellitenantenne

Also Published As

Publication number Publication date
EP0007831A1 (de) 1980-02-06
DE2965359D1 (en) 1983-06-16
FR2431775A1 (fr) 1980-02-15
FR2431775B1 (de) 1981-08-28
US4269508A (en) 1981-05-26

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