EP0170547B1 - Antennenanordnungen - Google Patents

Antennenanordnungen Download PDF

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Publication number
EP0170547B1
EP0170547B1 EP85401167A EP85401167A EP0170547B1 EP 0170547 B1 EP0170547 B1 EP 0170547B1 EP 85401167 A EP85401167 A EP 85401167A EP 85401167 A EP85401167 A EP 85401167A EP 0170547 B1 EP0170547 B1 EP 0170547B1
Authority
EP
European Patent Office
Prior art keywords
support member
conductor
connector
conductors
cavity
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
EP85401167A
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English (en)
French (fr)
Other versions
EP0170547A1 (de
Inventor
Christian Odeau
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.)
TONNA ELECTRONIQUE
Original Assignee
TONNA ELECTRONIQUE
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 TONNA ELECTRONIQUE filed Critical TONNA ELECTRONIQUE
Priority to AT85401167T priority Critical patent/ATE47255T1/de
Publication of EP0170547A1 publication Critical patent/EP0170547A1/de
Application granted granted Critical
Publication of EP0170547B1 publication Critical patent/EP0170547B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • H01Q19/02—Details
    • H01Q19/04—Means for collapsing H-antennas or Yagi antennas

Definitions

  • the present invention relates to antenna structures of the type comprising a plurality of strands arranged parallel to each other, perpendicular to a common support.
  • the invention applies particularly well to antenna structures receiving VHF and UHF emissions comprising different strands perpendicular to a support profile.
  • Such antennas generally arranged on roofs or at the top of pylons, have large dimensions, both in length, the support profile often measuring up to four meters, and in width, the strands reaching 80 centimeters.
  • the antennas formed of several strands parallel to each other and perpendicular to a common support have most often been packaged in the form of separate pieces, their assembly being carried out at a chosen installation site, just before their installation. .
  • each strand on the common support is then achieved by means of a connecting piece, generally comprising threaded means, made integral with the support profile during the final assembly of the antenna.
  • Antenna structures have also been proposed comprising an elongated support part, a plurality of strands and the same number of connecting parts adapted to be made integral with the support part and to ensure the rotation guidance of the respectively associated strands, with respect to to the support piece, between a folded-down, resting position, in which each strand is parallel to the support piece and a deployed, working position, in which the different strands, parallel to each other, are perpendicular to the elongated support piece, each piece connecting ensuring moreover the strands in the deployed position, working, by snap-fastening.
  • Such antenna structures comprising connecting parts guiding the strands in rotation, with respect to the support part, between a folded position, at rest, and a deployed position, working, are for example described and represented in French patents 1,322,951, 2,124,091, 2,137,168, 2,412,176, 2,521,353 or even in Swiss patent 429,852.
  • the present invention now aims to provide a new simple, robust and reliable structure for guiding each rotating strand with precision on the one hand and guaranteeing, in use, correct axial positioning of each strand, so that these are symmetrical with respect to the support part, on the other hand.
  • the cavity formed in the main body of each connecting piece is adapted to allow the curvature of the associated strand to be withdrawn from the cavity, transversely to one of said faces of the main body, in the folded position of the strands.
  • each strand prefferably has means at its ends preventing the separation of the strand and the associated connecting piece, when the latter is fixed to the support piece.
  • Such means preventing the separation of the strand and the connecting piece can advantageously be formed from flats formed at the ends of the strand.
  • each connecting piece comprises in its part facing the support piece a notch allowing the insertion of the curvature of the strand in the cavity of the connecting piece.
  • each connecting piece is preferably made integral with the support piece by means of a screw and a recess cooperating with the contour of the support piece.
  • This screw is advantageously engaged in a bore formed in the sleeve.
  • the connecting piece is made of an electrically insulating material and ensures, in the deployed position, the electrical insulation between each associated strand and the support profile.
  • the one-piece connecting piece 100 essentially comprises a main body 110 and two wings 120 and 130 arranged on either side of the latter in the extension one the other.
  • Each wing 120 and 130 has a truncated pyramidal outer envelope with a square base, flared in the direction of the main body 110. These wings 120, 130 are centered on the longitudinal axis of the connecting piece referenced L in the figures.
  • the main body 110 has a parallelepipedic and more precisely, preferably substantially cubic outer casing.
  • the upper surface of the main body 110 will be called the surface 115 of the latter opposite, in use, to the support part 200.
  • the lateral surfaces of the main body 110 will be referred to as the surfaces 140 and 141 thereof which extend parallel to the abovementioned longitudinal axis L of the connecting piece, or in use perpendicular to the axis of the support piece.
  • the lateral surfaces of the wings 120, 130 will be called the surfaces 125, 126 and 135, 136 thereof extending substantially parallel to the aforementioned lateral surfaces 140, 141 of the main body, ie transversely to the surface 220 of the support piece 200 on which the connecting pieces 100 rest, and transversely to the axis of the support piece 200.
  • the faces 127, 128 and 137, 138 of the wings 120, 130 orthogonal to the lateral faces 125, 126 and 135, 136 above mentioned will be called upper and lower faces respectively below.
  • the main body 110 comprises a cylindrical sleeve 112 of axis 0-0 perpendicular to the upper surface 115 of the main body (or orthogonal to the aforementioned axis LL of the connecting piece), surrounded on part of its periphery by annular cavity.
  • This cavity 111 will be described in more detail below. It will now be noted that the sleeve 112 serves as a rotation bearing for the strands 300 illustrated in FIG. 3.
  • Each wing 120, 130 is provided with a cylindrical bore passing through 122, 132 coaxial with the longitudinal axis L, and opening on one side on the extreme transverse surface 129, 139 of the wings on the other side in the cylindrical cavity 111 mentioned above, as illustrated in particular in FIG. 5.
  • the width I1 (illustrated in FIG. 1 D) of the longitudinal openings 123, 133 considered parallel to the axis OO is substantially equal to the diameter 12 (illustrated in FIG. 1D) of the bores 122, 132, but of the longitudinal ribs 121, 131 are provided at the junction between the openings 123, 133 and the bores 122, 132 to form a narrowing therebetween, making it possible to immobilize the strands 300 by snap-fastening, in the bores 122, 132, in the deployed working position.
  • the aforementioned cavity 111 formed in the main body 110 connects the bores 122, 132 bypassing the sleeve 112.
  • the height 13 (illustrated in FIG. 1A) of the cavity 111, considered parallel to the axis 0-0 is substantially equal to the diameter 12 of the bores 122 and 132 and therefore to the width 11 of the openings 123, 133.
  • the cavity 111 is carried out midway between the lower 116 and upper 115 surfaces of the main body 110, that is to say opposite the openings 123, 133 and bores 122, 132.
  • the cavity 111 has an angular opening, around the sleeve 112, slightly greater than 270 °, as illustrated in FIG. 5.
  • the cavity 111 is limited by a flat surface 113 contained in a median plane V-V perpendicular to the longitudinal axis L-L and to the upper surface 115.
  • the cavity 111 is limited by a semi-cylindrical surface 160 parallel to the longitudinal axis L-L, extending the bottom of the bore 132.
  • the angular opening around the axis 0-0 between the aforementioned surfaces 113 and 160 is of the order of 270 °.
  • the cavity 111 opens on the one hand on the lateral surface 141 of the main body, on the other hand on the lateral surface 140 of the latter as well as in the openings 123, 133 and bores 122, 132.
  • the cavity 111 is open over the entire width of the lateral face 141, while on the lateral face 141, the cavity 111 covers only half the width of that -this.
  • the cavity 111 is limited by a concave surface 161.
  • the above-mentioned flat surface 113 serves as a support for the strand 300 when the latter is moved into the deployed working position.
  • the generatrices of the surface 161 are located at a distance from the generatrices of the sleeve 112 (which are orthogonal to them), of the order of magnitude of the diameter of the strands.
  • This arrangement allows the curvature 310 to be withdrawn from the strands outside the cavity 111, by translation orthogonal to the axes LL and OO, in one direction or the other, as illustrated in FIGS. 4C and 4D, in the folded down position. strands.
  • the sleeve 112 has a through bore 114 coaxial with the axis OO extending from the upper face 115 to the lower face 142 of the main body 110, this bore 144 emerging in its upper part, in position adjacent to the surface 115 in a cylindrical housing 117 of larger diameter intended to receive the flared head of a fixing screw 150.
  • the lower face 116 of the main body 110 has a recess 118 defined by a flat surface 142 parallel to the upper surface 115 of the main body and two guide surfaces 143, 144 parallel to each other and perpendicular to the longitudinal axis LL
  • the distance separating the guide surfaces 143, 144 substantially equals the width of the support profile 200.
  • a notch 119 connects the bottom 142 of the recess 118 to the cavity 111, this notch 119 extending according to a curvature bypassing the sleeve 112.
  • the notch 119 covers an angular opening of the order of 225 °.
  • the width of the notch 119 considered parallel to the bottom 142 of the recess 118 substantially equals the diameter of the strands 300.
  • this notch 119 is limited by a flat radial surface opposite the axis 0-0 and coplanar with the aforementioned surface 113.
  • this notch 119 is limited by a curved surface 145 which is substantially radial opposite the axis 0-0.
  • Figure 2 illustrates an example of assembly of a connecting piece 100 of the type described above and a hollow profile 200 forming a support which has a substantially rectangular section.
  • the connecting piece 100 is shown in perspective in a position different from those occupied in the preceding figures. Consequently, in this figure, the wing 120 is situated on the left and vice versa. This new angle of view makes it possible to better appreciate the specific shape of the opening 133 of the wing 130, and of the notch 119.
  • the connecting piece 100 is fitted onto the hollow profile 200 by means of the recess 118, the surfaces 142, 143 and 144 of the recess 118 being brought respectively to bear against the faces 220, 210 and 230 of the profile 200. Furthermore, a screw 150, passing through the bore 114 and whose flared head is engaged in the housing 117 of the main body 100 ensures, by cooperating with a homologous threaded bore formed in the profile 200, the joining of the connecting piece 100 and the profile 200.
  • each strand 300 is formed of a generally straight cylindrical metal rod.
  • the diameter of the strands 300 substantially equals the values 1 11 1 2 and 1 3 above.
  • Each strand 300 comprises at mid-length a generally semi-cylindrical curvature 310.
  • the two branches 320, 330 formed on either side of the curvature extend coaxially in the extension of one another, these branches preferably each having at their end a flat 331.
  • the internal radius of curvature R of the curve 310 is equal to the radius of the external envelope of the sleeve 112.
  • the strand 300 is positioned opposite the recess 118, of a connecting piece 100, transversely to the axis L-L, the curving 310 of the strand facing the notch 119 of the connecting piece 100; the curvature 310 of the strand 300 is then introduced into the cavity 111, then the connecting piece 100 is fitted onto the support profile 200 by means of the recess 118 and the connecting piece 100 is fixed, thereby trapping the strand 300 on the support profile 200 , as in the example described using FIG. 2, using a screw 150.
  • this removal can be carried out in one direction or the other.
  • the strand 300 is captive. Indeed, the flats 331 situated at its ends of dimensions greater than the height of the cavity 111 of the connecting piece 110 ensure this captivity, since they cannot cross the cavity 111.
  • the smallest transverse dimension 1 4 of the cavity 111 (distance separating the external periphery of the sleeve 112 and the surface 161, considered radially opposite the axis OO) must be less than the width 1 5 of the flat 331, to avoid complete separation of the strands 300, and of the connecting pieces 100, whatever the angular orientation of the latter around their longitudinal axis.
  • FIGS. 4A and 4B illustrate an example of application of this structure.
  • the strand 300 is located in the position shown in dotted lines, that is to say, parallel to the profile 200.
  • a rotation of the strand 300 in the direction of the arrow F makes it possible to position it as shown in strong lines.
  • the bending 310 of the strand 300 ensures, by cooperating with the cylindrical contour of the sleeve 112 in the cavity 111, the guiding in rotation of the strand 300.
  • FIG. 4B represents the strand 300 in the deployed position, that is to say the strand 300 perpendicular to the profile 200.
  • the strand must be isolated from the profile.
  • the connecting piece 100 is produced in an electrically insulating material such as for example polyamide or polyvinyl chloride.
  • the longitudinal axis of the strands 300 preferably intersects the center of curvature of the radius R of the bends 310.
  • the branches 320, 330 of the strands may not be aligned, while remaining parallel.

Landscapes

  • Details Of Aerials (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Support Of Aerials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (10)

1. Antennenanordnung, welche aufweist :
- ein langgestrecktes Trägerteil (200),
- eine Mehrzahl von Antennenarmen (300) und
- eine gleiche Anzahl von Verbindungsteilen (100), welche geeignet sind, mit dem Trägerteil fest verbunden zu werden und die Drehführung der jeweils zugehörigen Antennenarme (300) bezüglich des Trägerteiles zwischen einer Einzugsposition als Ruhestellung, in der jeder Antennenarm parallel zum Trägerteil (200) steht, und einer Ausfahrposition als Arbeitsstellung, in welcher die verschiedenen untereinander parallelen Antennenarme senkrecht zu dem langgestreckten Trägerteil (200) stehen, zu ermöglichen, wobei jedes Verbindungsteil zusätzlich die Halterung der Antennenarme in der Ausfahrposition als Arbeitsstellung durch Verrastung sicherstellt,

dadurch gekennzeichnet,
- daß jeder Antennenarm (300) durch ein allgemein geradliniges Element gebildet ist, welches in seiner Mitte eine Krümmung (310) aufweist,
- daß jedes Verbindungsteil (100) einen mittleren Hauptkörper (110), über den diese Verbindungsteile auf dem Trägerteil (200) befestigt sind, und zwei gegenüberliegende, zu dem Trägerteil querstehende Flügel (120; 130) aufweist, wobei der Hauptkörper (110) eine mittige, allgemein zylindrische Buchse (112) besitzt, welche von einer zu den gegenüberliegenden Oberflächen des Hauptkörpers offene Ausnehmung (111) umgeben ist, um den gekrümmten Mittelabschnitt (310) eines Antennenarms (300) drehbar aufzunehmen, und
- daß die Flügel (120, 130) jeweils eine längliche Aufnahme (122, 132; 123, 133) besitzen, welche zu der Ausnehmung (111) des Hauptkörpers einerseits und zu den entgegengesetzten Seitenflächen des Verbindungsteiles andererseits offen ist, um einen zugehörigen Antennarm (300) aufzunehmen, wobei jede Aufnahme eine Verengung aufweist, um die Antennenarme jeweils in der Ausfahrposition als Arbeitsstellung durch Verrastung zu halten.
2. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß die in dem Hauptkörper (110) eines jeden Verbindungsteiles (100) vorgesehene Ausnehmung (111) geeignet ist, das Einziehen des zugehörigen Antennenarmes (300) durch Verschiebung der Krümmung (310) quer zu einer der genannten (Seiten-) Flächen des Hauptkörpers in die Einzugsposition des Antennenarmes zu ermöglichen.
3. Anordnung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß jeder Antennenarm (300) an seinen Enden Mittel (331) besitzt, welche die Trennung des Antennenarmes (300) und des Verbindungsteiles (100) verhindern, wenn dieses auf dem Trägerteil (200) befestigt ist.
4. Anordnung nach Anspruch 3, dadurch gekennzeichnet, daß die Mittel zur Verhinderung der Trennung des Antennenarms (300) und des Verbindungsteiles (100) durch an dem Antennenarm vorgesehene Abflachungen (331) gebildet sind.
5. Anordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß jedes Verbindungsstück (100) in seinem dem Trägerteil (200) gegenüberliegenden Abschnitt eine bogenförmige Aussparung (119) besitzt, welche das Einsetzen der Krümmung (310) des Antennenarmes (300) in die Ausnehmung des Verbindungsteiles (100) ermöglicht.
6. Anordnung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß jedes Verbindungsteil (100) mit dem Trägerteil (200) mittels einer Schraube und eines mit der Kontur (210, 220, 230) des Trägerteils (200) zusammenwirkenden Absatzes (118) fest verbunden ist.
7. Anordnung nach Anspruch 6, dadurch gekennzeichnet, daß die Schraube (150) in einer in der Buchse (112) vorgesehenen Bohrung (114) sitzt.
8. Anordnung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Verbindungsteil (100) aus einem elektrisch isolierenden Material besteht und in der Ausfahrposition die elektrische Isolierung zwischen dem Antennenarm (300) und dem profilierten Träger (200) sicherstellt.
9. Anordnung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß jedes Verbindungsteil (100) aus Polyamid oder aus Polyvinylchlorid besteht.
10. Anordnung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die die Buchse (112) der Verbindungsteile teilweise umgebende Ausnehmung (111) eine Winkelöffnung in der Größenordnung von 270° um die Achse (0-0) der Buchse (112) aufweist.
EP85401167A 1984-06-14 1985-06-13 Antennenanordnungen Expired EP0170547B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85401167T ATE47255T1 (de) 1984-06-14 1985-06-13 Antennenanordnungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8409316A FR2566190B1 (fr) 1984-06-14 1984-06-14 Perfectionnements aux structures d'antennes
FR8409316 1984-06-14

Publications (2)

Publication Number Publication Date
EP0170547A1 EP0170547A1 (de) 1986-02-05
EP0170547B1 true EP0170547B1 (de) 1989-10-11

Family

ID=9305013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401167A Expired EP0170547B1 (de) 1984-06-14 1985-06-13 Antennenanordnungen

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Country Link
EP (1) EP0170547B1 (de)
AT (1) ATE47255T1 (de)
DE (1) DE3573687D1 (de)
FR (1) FR2566190B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2257192B1 (es) * 2004-10-26 2007-07-01 Angel Iglesias, S.A. Soporte para las parrillas de una antena de television.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1322951A (fr) * 1962-02-21 1963-04-05 Diela Soc D Expl Des Ets Perfectionnements aux dispositifs de fixation de brins d'antennes de télévision sur un tube support
CH429852A (de) * 1965-11-30 1967-02-15 Wicker Buerki Walter Vorrichtung zur Befestigung eines Antennenstabes an einem Träger
FR2124091B1 (de) * 1971-02-04 1975-01-17 Portenseigne Ets Marcel
FR2137168B1 (de) * 1971-05-14 1974-03-22 Orega Cifte
FR2412176A1 (fr) * 1977-12-16 1979-07-13 Diela Sa Antenne a brins repliables
FR2521353A3 (fr) * 1982-02-09 1983-08-12 Emme Esse Srl Pince pour la fixation des elements directeurs et reflecteurs au berceau d'antennes de television

Also Published As

Publication number Publication date
EP0170547A1 (de) 1986-02-05
ATE47255T1 (de) 1989-10-15
FR2566190A1 (fr) 1985-12-20
FR2566190B1 (fr) 1987-10-23
DE3573687D1 (en) 1989-11-16

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