EP2346115B1 - Antenna - Google Patents

Description

The present invention relates to an antenna, in particular for telecommunications, in particular for the reception of radio and / or television signals according to the preamble of claim 1.

Such antennas are for example from the Spanish patents 200002389 . 20002388 . 200002387 and 200002386 the applicant of the present patent application and from JP 61 0624 17U . JP 50 035447 . DE 78 36 851 U1 . GB 1 036 158 A and DE 15 91 485 known.

The antennas currently on the market have been designed to receive analog and / or digital signals. The implementation of high definition television requires antennas having characteristics that correspond to the new types of television signals.

Out DE 20 2009 002334 U1 For example, an antenna is known which comprises at least one rod with director elements, a dipole and a housing enclosing at least a part of at least one rod. The housing has a first fastening element in a first housing part and a second fastening element in a second housing part. The first fastener secures a first rod in a first position and the second fastener secures a second rod in a second position. The first fastening element and / or the second fastening element each have three openings, wherein in each opening a director element of the first or second rod is arranged.

Based on this prior art, the present invention seeks to provide an antenna of the type mentioned, on the one hand correspond to the new types of digital signals for television high resolution and on the other hand have sufficient robustness for their installation outdoors.

This object is achieved by means of an antenna according to claim 1.

The invention is characterized by a number of advantages.

In a first embodiment according to the invention, the antenna, in particular for telecommunications and in particular for the reception of radio and / or television signals, a rod with director elements, a dipole and a housing which encloses at least a part of at least one rod. The housing has a first fastening element in a first housing part and a second fastening element in a second housing part. The first fastener secures a first rod in a first position and the second fastener secures a second rod in a second position. The first fastening element and the second fastening element each have three openings, wherein in each opening a director element of the first or second rod is arranged. The antenna according to the invention is characterized in that two of the three openings in which the director elements of the bar are arranged have the shape of an ellipse whose smaller axis corresponds to the external diameter of the director elements of the bar.

This provides the advantages that on the one hand the configuration of the antenna can be changed in a simple manner and on the other hand the electrical properties (frequency response) of the antenna are optimized. With the arrangement of the director elements provided in this embodiment of the invention in the openings and their geometric configuration advantageously a comparatively high robustness of the antenna is achieved. At the same time an adjustment of the antenna is facilitated.

A further advantageous embodiment of the antenna according to the invention is characterized in that the housing has a plurality of first fastening elements which fix a plurality of first rods in a plurality of first positions, and a plurality of second fastening elements which fix a plurality of second rods in a plurality of second positions.

This provides the advantage that antenna parameters (efficiency, antenna gain, absorption area) are improved and earth reflections are avoided.

A further advantageous embodiment of the antenna according to the invention is characterized in that the first fastening element has at least one first holding element and a second holding elements, and that the first holding element and the second holding element have a distance from each other which corresponds to the width of the rod.

A further advantageous embodiment of the antenna according to the invention is characterized in that the second fastening element has at least a third retaining element and a fourth retaining element, and that the third retaining element and the fourth retaining element have a distance from each other which corresponds to the width of the rod.

A further advantageous embodiment of the antenna according to the invention is characterized in that the housing consists of a first housing part ("first cover") and a second housing part ("second cover"), and that there arranged first fasteners have the same shape, and that the arranged there second fastening elements have the same shape. In particular, the first cover and the second cover, which form the housing, have two tongues which are arranged on the dipole. This achieves greater mechanical resistance and, at the same time, better protection of the antenna elements.

A further advantageous embodiment of the antenna according to the invention is characterized in that the antenna has a connecting element in which a first element forming a rod and a second element forming the dipole are arranged, which the first element and the second element connects and forms an angle between the first element and the second element, that the connecting element has a first opening, in which the second element of the antenna is arranged in an initial position, that the antenna has at least one second opening, in which the second element the antenna is arranged in an end position, and that the connecting element has a guide element which connects the first opening with the second opening.

This advantageously facilitates the mounting of the antenna.

A further advantageous embodiment of the antenna according to the invention is characterized in that the first opening has a circular zone in which a circular element of the second element of the antenna is arranged in initial positions or in end positions of the second element of the antenna. This allows the elements of the antenna to be easily positioned and fastened.

A further advantageous embodiment of the antenna according to the invention is characterized in that the guide element in the region of the second opening has at least one section which corresponds to the shape of the second element of the antenna. This allows the position of the antenna elements securely fix.

The guide element may have two sections in the region of the second opening which correspond to the shape of the second element of the antenna.

A further advantageous embodiment of the antenna according to the invention is characterized in that the connecting element has a galvanic connection between the part where the first element of the antenna is arranged, and the part where the second element is arranged in its end position. This provides the advantage that the radioelectric properties of the antenna are improved.

A further advantageous embodiment of the antenna according to the invention is characterized in that the connecting element consists of a metallic material or of plastic. This makes it possible to design the manufacturing flexibly, regardless of the materials used, and to produce both high-quality and cost-effective products.

For further understanding of the invention, the antenna for tele-communication networks, in particular for community antenna systems (MATV) or for satellite-based community antenna systems (SMATV) will now be described by way of example with reference to the drawing.

Figur 1

eine perspektivische Ansicht der erfindungsgemäßen Antenne;

Figur 2

den Innenraum eines Gehäuses der erfindungsgemäßen Antenne mit zwei Stangen;

Figur 3

eine perspektivische Ansicht des Gehäuses nach Figur 2;

Figur 4

eine perspektivische Ansicht eines mechanischen Verbindungselements, das Antennenelemente in einer ersten Position fixiert;

Figur 5

das Verbindungselement nach Figur 4. das die Antennenelemente in einer zweiten Position fixiert.

It shows

FIG. 1

a perspective view of the antenna according to the invention;

FIG. 2

the interior of a housing of the antenna according to the invention with two rods;

FIG. 3

a perspective view of the housing after FIG. 2 ;

FIG. 4

a perspective view of a mechanical connecting element which fixes antenna elements in a first position;

FIG. 5

the connecting element after FIG. 4 , which fixes the antenna elements in a second position.

FIG. 1 shows an antenna 1, in particular an antenna for telecommunications, in particular for the reception of radio and / or television signals, the at least one rod 2 with director elements (121 in FIG. 1 ), a dipole 13, a connecting element 24 and a housing 14 which encloses at least a part of at least one rod 2.

How out FIG. 2 can be seen, the housing 14 at least a first fastening element 15 and a second fastening element 17, wherein the first fastening element 15, the rod 12 (2 in FIG. 1 ) in a first position 16, and wherein the second fastener 17 secures the rod 12 in a second position 18. As in FIG. 1 shown, the housing 14 is disposed directly on the dipole 13, it is in particular adjacent to the dipole 13, it is in particular mechanically connected to the dipole 13.

As in FIG. 2 In detail, the housing 14 includes a plurality of first fasteners 15 securing a plurality of rods 12 in a plurality of first positions 16 and a plurality of second fasteners 17 securing a plurality of rods 12 in a plurality of second positions 18.

The first fastening element 15 has at least a first retaining element 19 and a second retaining element 110, wherein the first retaining element 19 and the second Holding member 110 have a distance from each other, which corresponds to the width of the rod 12.

The holding elements 19, 110 of the first fastening element 15 consist of a triangular dividing wall 111 and of a rectangular dividing wall 112.

The first fastening element 15 has three openings 113, wherein in each opening 113, a director element 121 of the rod 12 is arranged.

The second fastening element 17 has at least a third retaining element 114 and a fourth retaining element 115, wherein the third retaining element 114 and the fourth retaining element 115 have a distance from each other which corresponds to the width of the rod 12.

The holding elements 114, 115 of the second fastening element 17 consist of a triangular partition wall 116 and of a rectangular longitudinal partition wall 117, which bears against a part of the rod 12 and fixes it.

The second fastening element 17 has three openings 113, wherein in particular in each opening 113 a director element 121 of the rod 12 is arranged.

As in FIG. 3 shown, two of the three openings 113, 118, in which the director elements 21 of the rod 12 (in FIG. 2 are arranged in the shape of an ellipse, wherein the smaller axis corresponds to the external diameter of the director elements 21 of the rod 12.

The first holding member 19 and the third holding member 114 are disposed on a projecting platform 119. The triangular partitions 111, 116 form a ramp 120 for the movement of the rod 12 from the first position 16 to the second position 18 and vice versa.

As in further FIG. 3 As shown, the housing is composed of a first cover 141 and a second cover 142, wherein the first cover 141 and the second cover 142 have first fixing members 15 having the same shape and second fixing members 17 having the same shape.

The first cover 141 and the second cover 142, which form the housing, have two tongues 122, which are arranged on the dipole 13.

The FIGS. 4 and 5 show a mechanical fastener, 24, which is also in FIG. 1 is shown, the two mechanical elements of the antenna, a first element 22, for example, the rod 2 in FIG. 1 , and a second element 23 "eg the dipole 13 in FIG FIG. 1 , mechanically interconnects and forms an angle between the first element 22 and the second element 23.

The connecting element 24 has at least one first opening 25 and at least one second opening 27; at the in the FIGS. 4 and 5 In the illustrated embodiments, the prevention element 24 has two first openings 25 and two second openings 27. The first openings 25 hold the second element 23 (eg dipole 13 in FIG FIG. 1 ) in an off-axis position 26, while the second openings 27 hook the second element 23 in an end position,

A guide member 29 connects a first opening 25 to a second opening 27, as exemplified in FIGS FIGS. 4 and 5 shown

As in FIG. 5 illustrated, the guide member 29 in the region of the first opening 25 on a flat ramp 210 and a curved ramp 211.

The first opening 25 has a circular area (circular zone 212) in which a circular area (circular element 213) of the second element 23 is arranged in an initial position 26 or in an end position 28,

Next, the guide element 29 in the region of the second opening at least one section 214, which corresponds to the shape of the second element 23.

In the region of the second opening 27, the guide element 29 has two sections 214, which correspond to the shape of the second element 23 of the antenna.

The connecting element 24 has a galvanic connection between the part where the first element 22 of the antenna is arranged and the part where the second element 23 is arranged in its end position 28.

The connecting element 24 consists for example of a metallic material or of plastic.

Reference numerals:

1

Antenna for telecommunications

2, 12

Rod (rod with director elements)

121

Director elements

13

dipole

14

casing

15

First fastening element

16

First position

17

Second fastening element

18

Second position

19

First holding element

110

Second holding elements

111

Triangular partition

112

Right-angled partition

113

openings

114

Third holding element

115

Fourth holding element

116

Triangular partition

117

longitudinal wall

118

openings

119

Projecting platform

120

ramp

122

tongues

141

First cover

142

Second cover

22

First element

23

Second element

24th

connecting element

25

First opening

26

starting position

27

Second opening

29

Guide element.

210

Level ramp

211

Curved ramp

212

district zone

213

circular element

214

cut

215

screw

Claims (14)

1. An aerial (1), in particular an aerial for telecommunications, in particular for receiving radio and/or television signals, which comprises at least one boom (2, 12) with director elements (121), a dipole (13) and a housing (14) which encloses at least part of at least one boom (2, 12),
   the housing (14) comprising a first fastening element (15) in a first housing part (141) and a second fastening element (17) in a second housing part (142),
   the first fastening element (15) fastening a first boom (12) in a first position (16),
   the second fastening element (17) fastening a second boom (12) in a second position (18), and
   the first fastening element (15) and the second fastening element (17) in each case comprising three openings (113, 118),
   a director element (121) of the first or second boom (12) being arranged in each opening (113),
   characterised in that
   two of the three openings (113, 118) in which the director elements (121) of the boom (12) are arranged have the shape of an ellipse, the smaller axis of which corresponds to the external diameter of the director elements (121) of the boom (12).
2. An aerial (1) according to claim 1, characterised in that the housing (14) comprises a plurality of first fastening elements (15) which fasten a plurality of first booms (12) in a plurality of first positions (16), and a plurality of second fastening elements (17) which fasten a plurality of second booms (12) in a plurality of second positions (18).
3. An aerial (1) according to either one of the preceding claims, characterised in that the first fastening element (15) comprises at least a first retaining element (19) and a second retaining element (110), and in that the first retaining element (19) and the second retaining element (110) are spaced apart from one another by a distance which corresponds to the width of a boom (12).
4. An aerial (1) according to any one of the preceding claims, characterised in that the second fastening element (17) comprises at least a third retaining element (114) and a fourth retaining element (115), and in that the third retaining element (114) and the fourth retaining element (115) are spaced apart from one another by a distance which corresponds to the width of the boom (2).
5. An aerial (1) according to any one of claims 2 to 4, characterised in that the first fastening elements (15) which are arranged in the first housing part (141) have the same shape, and in that the second fastening elements (17) which are arranged in the second housing part (142) have the same shape.
6. An aerial (1) according to claim 5, characterised in that the first housing part (141) and the second housing part (142) comprise two tongues (122) which are arranged by the dipole (13).
7. An aerial (1) according to any one of the preceding claims, characterised in that the aerial comprises a connection element (24) in which are arranged a first element (22), which forms a boom (2), and a second element (23), which forms the dipole (13), which connection element connects together the first element (22) and the second element (23) and forms an angle between the first element (12) and the second element (13),
   in that the connection element (24) comprises a first opening (25), in which the second element (23) of the aerial is arranged in an initial position (26), in that the aerial (1) comprises at least a second opening (27) in which the second element (23) of the aerial (1) is arranged in a final position (28), and in that the connection element (24) comprises a guide element (29) which connects the first opening (25) to the second opening (27).
8. An aerial (1) according to claim 7, characterised in that, in the region of the first opening (25), the guide element (29) comprises a planar ramp (210) and a curved ramp (211).
9. An aerial (1) according to claim 7 or claim 8, characterised in that the first opening (25) comprises a circular zone (212), in which is arranged a circular element (213) of the second element (23) of the aerial (1) in initial positions (26) or in final positions (28) of the second element (23) of the aerial (1).
10. An aerial (1) according to any one of claims 7 to 9, characterised in that, in the region of the second opening (27), the guide element (29) comprises at least one cutout (214) which corresponds to the shape of the second element (23) of the aerial (1).
11. An aerial (1) according to any one of claims 7 to 10, characterised in that, in the region of the second opening (27), the guide element (29) comprises two cutouts (214) which correspond to the shape of the second element (23) of the aerial (1).
12. An aerial (1) according to any one of claims 7 to 11, characterised in that the connection element (24) comprises two first openings (25) and two second openings (27) for the second elements (23) of the aerial (1).
13. An aerial according to any one of claims 7 to 12, characterised in that the connection element (24) has a galvanic connection between the part where the first element (22) of the aerial (1) is arranged, and the part where the second element (23) is arranged in its final position (28).
14. An aerial according to any one of claims 7 to 12, characterised in that the connection element (24) consists of a metallic material or of plastics.

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