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
• • 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
  • H01Q1/1242—Rigid masts specially adapted for supporting an aerial
• • 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
  • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
  • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
  • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
  • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations

Definitions

• the present invention relates to the attachment to a mast of one or more relay antennas of 0 cellular radio network (s).
• It also relates to devices for adjusting the orientation of such antennas on the masts on which they are fixed.
• relay antennas of a cellular telecommunication network are panel antennas mounted on masts which are installed on raised sites, such as for example, in urban areas, terraces of buildings.
• a general object of the invention is to provide improvements in the fixing and adjustment of the orientation of such antennas.
• the invention provides several devices which can be used independently or in combination.
• the invention proposes a fixing device which makes it possible to fix several panel antennas on the same mast, while allowing an independent adjustment of the orientation in tilt and azimuth of each antenna.
• this fixing device makes it possible to adjust the orientation of two panel antennas juxtaposed and fixed on the same mast by this device 5 for, depending on the type of configuration that is desired: - set these two antennas on two different azimuths (the two antennas can then for example be used in the same network),
• the solution proposed for this purpose is a support for at least two panel antennas which constitute relay antennas of cellular telecommunications network (s) comprising a fixing element such as a mast and means ensuring the fixing of the two antennas on the fixing element, these means being capable of authorizing an adjustment of the orientation of the antennas in tilt and in azimuth, the support comprising for two antennas carried by said fixing element arranged one next to the other on the latter , fixing means which allow the pivoting respectively of one and the other of these two antennas respectively around two pivot axes, these fixing means being able to allow the antennas to pass by pivoting of a configuration where the two antennas are close to each other and substantially oriented along the same azimuth in a configuration where the two antennas are substantially spaced from one another and are oriented along distinct azimuths.
• a fixing element such as a mast and means ensuring the fixing of the two antennas on the fixing element, these means being capable of authorizing an adjustment of the orientation of the antennas in tilt and in azimuth
• the fixing means comprise means which, in addition to a pivoting of an antenna around an axis, allow tilting of the latter around a horizontal axis for a tilt orientation adjustment.
• the invention also proposes a particularly advantageous adjustment system, of a particularly simple assembly, and allowing adjustments both on site and in azimuth without requiring that a large space around the mast is reserved allowing interventions and maintenance at head height.
• a suppo for at least one panel antenna which constitutes u: relay antenna of cellular telecommunication network comprising a fixing element and means ensuring the fixing of this antenna on said element, this means comprising first link means which are fixed on the fixing element and on which the antenna is articulated in pivoting about a horizontal axis of tilting and second connecting means which are adjustable by a user to ensure tilting of the antenna around of its horizontal axis, characterized in that the second connecting means comprise at least one arm which is pivotally articulated at one and the other of its ends on the one hand on the mast or means fixed thereon and on the other hand on the antenna or means interposed between the latter and said arm, the pivot axes of said arm being parallel to the tilt axes of the antenna, auto means risking the adjustment of one and / or the other of these axes in the height respectively of the mast or the antenna.
• these means comprise an intermediate element which has at least one opening in which said axis can slide.
• said intermediate element comprises an adjustment screw which extends parallel to said light and which cooperates with a complementary thread which crosses the axis capable of moving in said light or a part fixed on that -this, as well as with a complementary thread fixed relative to said intermediate element.
• a support may be provided fixed by clamping on the fixing element, this fixing element being a mast on which the means which define the tilting axis of the antenna and those which define the axis are articulated. pivoting linkage (s).
• said support is advantageously a collar which is extended by a fixed arm at the end of which the antenna or a support which carries the latter is articulated in tilting about a horizontal axis.
• Such a structure has the advantage of allowing the attachment of a panel antenna - and in particular of a dual-band antenna - at a single point of attachment to the mast.
• the invention provides a support structure which makes it possible both to stiffen the antenna and to control the rear lobe thereof.
• a support for at least one panel antenna which constitutes a relay antenna of the cellular telecommunication network, comprising a mast and means ensuring the fixing of this antenna on the mast, these fixing means comprising a holding support on which the antenna is mounted, characterized in that this holding support comprises at least one stiffening element and a metal reflector element for the antenna interposed between the latter and the stiffening element.
• the stiffening element is a beam of U-shaped section.
• the invention provides a tool for adjusting the tilt of a panel-type antenna fixed to a mast by fixing means which allow the adjustment of its orientation characterized in that it comprises
• This tool advantageously comprises leveling means for shifting the means forming a compass relative to the support.
• the various support solutions proposed also have the advantage - because of their simplicity - of making the antenna masts particularly well integrated into their environment.
• FIG. 1 is a schematic representation in side view of an antenna support fixed at a point on the mast
• FIG. 2 is a schematic perspective view of a detail of tilt adjustment means of the support Figure 1
• Figures 3a and 3b illustrate two possible variants for mounting the adjustment means illustrated in Figure 2
• - Figure 4 is a schematic sectional representation of a possible assembly for an antenna
• FIG. 5 is a schematic representation similar to that of Figure 1 of another antenna support;
• FIG. 6 is a schematic perspective representation illustrating part of the means which constitute the support of Figure 5;
• FIGS. 7a and 7b illustrate two separate configurations which can be achieved with two antennas mounted on a support of the type of that illustrated in Figures 5 and 6;
• FIG. 8a and 8b illustrate two possible assemblies with a support of the type of those described with reference to Figures 5 and 6;
• FIG 9 is a perspective representation of a tilt angle adjustment tool according to a possible embodiment.
• FIG. 1 shows a mast 1 which extends vertically and on which a panel type antenna 2 is fixed by means of means 3.
• These fixing means 3 allow fixing at a single point of the antenna 2.
• Each of these two half-collars has the shape of a half-cylinder extended in its diametrical plane, on one side and on the other thereof, by two flat lateral flanges 5.
• the inside diameter of this half-shaped cylinder corresponds substantially to the external diameter of the mast 1.
• Screwing means 6, attached to the flat edges 5, make it possible to maintain the half-collars one on the other and to ensure their tightening on the mast 1.
• the collar 4 is connected to a beam 9 forming a stiffener which carries the antenna 2.
• the connection between the collar 4 and the beam 9 is produced by one:
• two arms 7 which are in one piece with the two elements which define the collar 4 and which extend from it, perpendicular to the axis of the mast 1, the beam 9 being articulated in pivoting on said arms 7, at the end thereof, about a horizontal axis 7a, and
• two arms 8 which at one of their ends are pivotally articulated on those of the two flat edges 5 which are directly opposite the panel 9, around a pivot axis 10 which is perpendicular to said edges.
• the two arms 8 are pivotally articulated about an axis 11 slidably mounted in slots 12 of a guide and adjustment piece 13 fixed by screwing on the panel 9.
• this guide and adjustment part 13 is in the form of an elongated part of U-shaped section (folded sheet), the openings 12 extending opposite one of the other, in the height of one and the other of the two lateral edges of said U-shaped part.
• FIGS. 3a, 3b illustrate two possible embodiments for fixing the part 13 on the beam 9 forming a stiffener, which is U-shaped complementary to that of the part 13.
• the part 13 is fitted into the beam 9 with its bottom inside the latter ; in the embodiment of Figure 3b, the part 13 is arranged in the other direction and its bottom is located outside of the beam 9. In both cases, the lights 12 are released, outside the beam 9.
• the two parts 13 and 9 are fixed by screwing or welding.
• Such a fixing structure has the advantage of being space-saving at the level of the mast 1.
• the operator turns the adjusting screw 14 from below to, according to whether he raises or lowers the axis 11 in the lights 12, toggle the ' panel 9 and 1' antenna 2 one way or the other.
• the structures with beam (s) forming a stiffener in addition to allowing the antennas to be kept very above the fixing points on the masts, have the advantage of making it possible to integrate reflective elements just behind the antennas and therefore allow control of the rear lobe thereof.
• FIG. 4 This is what is illustrated in FIG. 4 in which a metallic reflective element 18 is shown interposed between the beam 9 and the antenna 2.
• FIG. 1 Figures 5 and 6 illustrate another structure.
• the collar 4 is of greater length than that of the variant with a single fixing point in FIG. 1 and is constituted by a half-cylinder 19 fixed by clamping to the mast 1 by three half -collars 20 which are distributed in the height of the collar and close on said half-cylinder 19.
• the half-cylinder 19 carries lugs 21 which extend radially with respect thereto and which constitute supports on which different beams 9 which each carry an antenna are pivotally articulated around vertical axes.
• the half-cylinder 19 carries two pairs of legs 21 extending radially and angularly separated by 120 ° with respect to each other, the two legs 21 of the same pair being arranged one below the other, each pair of lugs 21 carrying a beam 9 forming a stiffener and an antenna 2.
• the beam 9 associated with a pair of legs 21 is fixed in its lower part to the lower leg of said pair by means of a hinge 22 which on the one hand allows the pivoting of the beam around a vertical axis 23a and which on the other hand authorizes the tilting of said beam 9 around a horizontal axis 24 on which said beam is articulated.
• This beam 9 is also fixed to the other leg of said pair by means of fixing means which include means similar to the arms 8, to the axes 10 and 11 and to the guide and adjustment part 12 of the structure of Figure 1, these means being in this case constituted by arms 25 pivotally articulated at one end about a horizontal axis 26 sliding in slots 27 of an adjustment and guide part 28 and also articulated in pivoting at their other end about a horizontal axis 30 of a connecting piece 29.
• the connecting piece 29 is itself pivotally mounted on the aforementioned tab 21 around a vertical axis 31.
• two antennas 2a, 2b mounted on the same mast 1 and arranged one next to the other thereon are used to cover two different azimuths, for example in the same network.
• these two same antennas are pivoted about their pivot axes 31 to be arranged in a coplanar manner, which allows for example to use them to, from the same mast, cover the same azimuth for two different networks.
• this structure also has the advantage of being compact.
• one of the advantages of the orientation adjustment assembly with sliding arm in lights illustrated both with reference to FIGS. 1 to 4 and with reference to FIGS. 5 to 7a, 7b is that it allows the adjustment of the orientation of the antennas without requiring access to the masts from the rear of the panel, as was the case in the prior art.
• FIG. 9 is a representation in perspective view of a logic reporter 32 for adjusting the tilt for an antenna fixing system.
• the protractor comprises a rigid support 34 fixed to the mast 1 by a securing device 33 which in this case is with straps, but which could also be for example with magnets.
• This support 34 is connected to a compass arm 35 by parallel leveling arms 36, which define, with the support 34 and the arm 35, a deployable parallelepiped.
• An arm 37 is pivotally articulated on the arm 35 to define a compass allowing an angle measurement.
• Graduation means may be provided to allow a user to measure the opening angle between the compass arms.
• a user wants to adjust or measure the tilt angle of a panel antenna, he fixes the protractor on the mast, unfolds the leveling arms, opens the compass until the outer arm is adjacent to the stiffener . It can thus directly measure the tilt of the antenna by reading the opening angle of the compass.

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• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Support Of Aerials (AREA)
• Variable-Direction Aerials And Aerial Arrays (AREA)
• Aerials With Secondary Devices (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=8855382

Family Applications (1)

Country Status (15)

Families Citing this family (27)

Family Cites Families (12)

• 2000
  • 2000-10-16 FR FR0013217A patent/FR2815477B1/fr not_active Expired - Fee Related
• 2001
  • 2001-10-12 CZ CZ20031077A patent/CZ20031077A3/cs unknown
  • 2001-10-12 SK SK873-2002A patent/SK8732002A3/sk not_active Application Discontinuation
  • 2001-10-12 EP EP01976421A patent/EP1330851A1/fr not_active Withdrawn
  • 2001-10-12 CA CA002426108A patent/CA2426108A1/fr not_active Abandoned
  • 2001-10-12 PL PL36065101A patent/PL360651A1/xx unknown
  • 2001-10-12 YU YU53002A patent/YU53002A/sh unknown
  • 2001-10-12 AU AU2001295699A patent/AU2001295699A1/en not_active Abandoned
  • 2001-10-12 JP JP2002536675A patent/JP4010944B2/ja not_active Expired - Fee Related
  • 2001-10-12 CN CN01803778.XA patent/CN1395753A/zh active Pending
  • 2001-10-12 WO PCT/FR2001/003168 patent/WO2002033785A1/fr active Application Filing
  • 2001-10-12 HU HU0203967A patent/HUP0203967A2/hu unknown
  • 2001-10-12 US US10/399,379 patent/US7027007B2/en not_active Expired - Fee Related
• 2002
  • 2002-06-14 NO NO20022862A patent/NO20022862L/no not_active Application Discontinuation
  • 2002-06-17 BG BG106829A patent/BG106829A/xx unknown

Non-Patent Citations (1)

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