EP3035438B1 - Élément rayonnant pour une antenne - Google Patents

Élément rayonnant pour une antenne Download PDF

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Publication number
EP3035438B1
EP3035438B1 EP14198718.0A EP14198718A EP3035438B1 EP 3035438 B1 EP3035438 B1 EP 3035438B1 EP 14198718 A EP14198718 A EP 14198718A EP 3035438 B1 EP3035438 B1 EP 3035438B1
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EP
European Patent Office
Prior art keywords
radiator
radiating element
carrier
feed
surface plane
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.)
Active
Application number
EP14198718.0A
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German (de)
English (en)
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EP3035438A1 (fr
Inventor
Tekin ÖLMEZ
Johann Obermaier
Chen Yichao
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.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
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Priority to EP14198718.0A priority Critical patent/EP3035438B1/fr
Publication of EP3035438A1 publication Critical patent/EP3035438A1/fr
Application granted granted Critical
Publication of EP3035438B1 publication Critical patent/EP3035438B1/fr
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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
    • H01Q1/22—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines

Definitions

  • the present invention relates to a radiator for an antenna, and to an antenna including said radiator.
  • the design of the radiator is based on a separation of its electrical function and its mechanical supporting structure.
  • the performance of an antenna depends strongly on the RF performance of its radiator.
  • the radiator requires a radiating element, for instance a dipole, which has at least about 10 ⁇ m of a conducting layer.
  • geometrical tolerances of the radiator should be low, since they directly impact on its RF performance.
  • the geometrical tolerance that most critically affects the RF performance of a radiator is a distance between the radiating element and a feed. Accordingly, for a good RF performance the distance between the radiating element and the feed has to be kept as constant as possible over at least a part of the radiating element.
  • the radiator of an antenna is typically connected to a distribution network, and therefore at least the conduction layer of the radiating element should be solderable.
  • antennas are typically designed for a rather long life time, the geometrical tolerances and the RF performance mentioned above should be achieved in different environmental conditions, i.e. should be resistant, for instance, to changing temperatures, high humidity, shocks caused e.g. by wind, or vibrations.
  • radiator designs for antennas are numerous. Radiating elements with different geometries, for instance cross-like, vector-like, square-like, or horn-like geometries, are known. Further, various material processing techniques are used. For instance, die-casted aluminum or zinc is used with electrochemical plating for making it solderable. Further, pre-plated sheets, which are stamped and bent are used, and also PCB assemblies or injection molded plastic with electrochemical or electroless plating are used. Also mechanical interface designs for fixation of radiators to reflectors, or electrical interface designs, are numerous. For instance, as an electrical interface of a RF radiator, cables or PCBs are used, which need to be solderable.
  • a specific example of a conventional radiator employs a plastic dipole.
  • the radiator is injection molded at high temperature, and its material is fiber reinforced plastic.
  • this material is rather expensive.
  • conducting layers have to be applied by electroless or electrochemical plating, which both suffer from a high error rate, are expensive, and add considerable weight to the radiator.
  • the weight of such a radiator is comparable to the weight of a conventional radiator manufactured by aluminum die-casting.
  • PCB-based Another specific example of a conventional radiator is PCB-based.
  • the assembly of several PCBs with dipole and feed structures is necessary, but is rather complicated and cost intensive.
  • radiator uses a die-casted dipole.
  • the geometry, the conducting layer, and the supporting structure are all provided in one part.
  • the radiator thus has a high weight, due to a certain wall thickness required for the die-casting process. Additionally, an electrochemical plating process must be applied, which has a rather high error rate, adds weight, and is expensive.
  • a final example of a conventional radiator includes a sheet metal dipole, wherein the geometry and the supporting structure of the radiator are provided by the same part.
  • the sheet metal dipole has a high weight, due to a certain wall thickness that is necessary for its stability.
  • the radiator is furthermore only suitable for low band applications, due to a limited precision for the manufacturing of its bended parts.
  • US 2012/075155 A1 discloses an antenna assembly, which includes a reflector including a first ground plane, a second ground plane below and spaced apart from the reflector, an antenna adjacent a surface of the reflector opposite the second ground plane, and a grounding post galvanically connecting the first ground plane and the second ground plane.
  • the present invention aims to improve the conventional radiator designs.
  • the present invention has accordingly the object to provide a cheaper and lighter radiator with improved RF performance.
  • the present invention aims for a high manufacturing precision of the radiator geometry, so that the radiator is good enough for high band applications.
  • the present invention aims specifically for a low geometrical tolerance of a distance between a radiating element and a feed of the radiator.
  • the weight and the cost of the radiator should be suited for high volume production.
  • the radiator should be solderable, sturdy, and resistant against mechanical vibrations.
  • the present invention proposes a radiator, in which the electrical function, i.e. the actual radiating function of the radiator, is separated from a mechanical supporting structure of the radiator.
  • the idea of the present invention is to use a cheap but very precise mechanical carrier part, in order to provide to the radiator a shape and geometry with very small geometrical tolerances, and at the same time to use a thin walled, unstable sheet (having at least a conducting surface or being made from conductive material), in order to provide the radiating element.
  • a first aspect of the present invention provides a radiator for an antenna, the radiator comprising a radiating element being made of a non-self-carrying sheet comprising at least a conductive surface, a non-conducting carrier configured to hold in place the at least one radiating element, wherein the radiating element is connected to the non conductive carrier such that the radiating element follows at least one surface plane of the carrier, and wherein the radiator further comprises a feed which is fittingly insertable into a feed slot provided in the carrier such that when the feed is inserted into the feed slot, a capacitive coupling between the feed and the radiating element is established, wherein the radiator is characterized in that a gap is provided between a second surface plane of the carrier and a second part of the radiating element, wherein the gap is chosen such that at least in a temperature range from - 55°C to 85°C a contact in the area of the gap between the radiating element and the carrier caused by thermal expansion is avoided.
  • the radiator of the first aspect realizes the general idea of embodiments of the present invention, namely to separate the electrical and the mechanical functions of the radiator.
  • the non-conductive carrier provides the mechanical function of the radiator, i.e. it provides the radiator with its mechanical stability, defines its shape and geometry, and sets its dimensions with very small geometrical tolerances.
  • the carrier achieves in particular a precise positioning of the radiating element, for instance relative to a feed.
  • the carrier can be manufactured very precisely, while being still relatively cheap and sturdy.
  • the carrier is also light of weight.
  • the radiating element provides the electrical function, i.e. it provides the radiator with its actual radiating ability.
  • the radiating element is a non-self-carrying sheet, it is comparatively cheap in production, and is light of weight. Due to the individual advantages of its components, the radiator as a whole is suitable for high volume production, is comparatively cheap, very light of weight, and has excellent RF performance.
  • the distance between the radiating element and the feed is defined completely by the geometry of the carrier and has accordingly a very low tolerance. Consequently, the RF performance of the radiator is improved in view of conventional radiators, and the radiator is particularly well suited for high-frequency applications.
  • the gap is provided to avoid that due to different thermal expansion coefficients of the radiating element and the carrier, the preciseness of the geometrical dimensioning, and in particular the distance between the radiating element and the feed, deteriorates when the temperature changes.
  • the radiating element is connected to at least two surface planes of the carrier.
  • the at least two surface planes provide a stable connection between the radiating element and the carrier.
  • the radiating element may be a dipole with two dipole arms, wherein each dipole arm is connected to at least one surface plane.
  • a first part of the radiating element tightly follows a first surface plane of the carrier, and the first surface plane has a substantially constant distance to a feed slot of the carrier.
  • the first part of the radiating element which may be a first dipole arm of a dipole, has a constant distance to the feed. Since the carrier can be manufactured with high precision, the distance between the first surface plane and the feed slot can be provided with low tolerance. As a consequence, also the distance between the first part of the radiating element and the feed can be defined very precisely. Therefore, the RF performance of the radiator is improved.
  • the radiating element and/or the feed of the radiator is made of a metal sheet having a thickness of about 0.1 to 2 mm, preferably about 0.5 to 1 mm.
  • the thin metal sheet can be produced comparatively cheap, and is very light of weight.
  • the metal sheet can also be soldered well.
  • the metal sheet is a hot dip plated metal sheet.
  • the radiating element follows the first surface plane from a bottom part of the carrier to a top part of the carrier, and follows the second surface plane outwardly from at the top part of the carrier.
  • the first surface plane and the second surface plane are substantially perpendicular to another.
  • the carrier consists of one integrally formed part.
  • An integrally formed part is very easy and cheap to manufacture, and provides the best sturdiness.
  • the radiating element is connected to a first surface plane of the carrier by at least one protruding element provided on the carrier.
  • the protruding element may, for instance, be a knob, onto which the radiating element may be clipped. Accordingly, the radiating element may have a suitable counterpart, for instance, an opening or slot. Preferably, a snap fit is provided between the protruding element and the radiating element for a tight fit of the radiating element to the carrier.
  • the at least one protruding element is configured to partly twist said radiating element to form a spring pressing at least a part of the radiating element against the carrier.
  • the radiating element Due to the twist, the radiating element is pressed towards the carrier, so that the radiating element, at least the pressed part thereof, follows tightly a surface plane of the carrier.
  • the positioning of the radiating element is very precise, in particular relative to the feed.
  • the radiating element is connected to a second surface plane of the carrier by an undercut provided on the carrier.
  • the radiating element may be easily attached to the carrier by the undercut.
  • a snap fit between the undercut and the radiating element may be provided.
  • the snap fit connection may have some play, in order to allow for a thermal expansion of the radiating element and/or the carrier, respectively.
  • the carrier comprises an inner part and an outer part, and the inner part and the outer part are connected to each other for holding in between the radiating element.
  • the sheet-like radiating element can be held in place very securely, because it is fixed from both sides.
  • the two parts of the carrier are easy to manufacture and also easy to assemble.
  • the inner part is provided with an arm, and the radiating element is pressed by the arm against the outer part.
  • the arm holds the radiating element securely against the outer part of the carrier, so that the radiating element follows tightly a surface plane of the carrier.
  • the positioning of the radiating element within the radiator is very precise and stable.
  • the arm is provided with at least one spring, and the feed is pressed by the at least one spring against the inner part.
  • the arm has a lower stiffness than the spring.
  • the arm has a twofold function, i.e. it firstly presses the radiating element against the outer part, and it secondly presses the feed against the inner part. That means that the accurateness of the distance between the radiating element and the feed is mainly defined by the geometry and the elastic properties of the arm. Since the arm can be manufactured very precisely, the radiator can be provided with an excellent RF performance even at high operating frequencies.
  • a second aspect of the present invention provides an antenna comprising at least one radiator according to the first aspect as such or according to any implementation form of the first aspect.
  • the antenna of the second aspect inherits all advantages of the radiator of the first aspect as such or its implementation forms, which have been described above.
  • FIG. 1 illustrates in (c) a radiator 100 for an antenna according to a basic embodiment of the present invention.
  • the radiator 100 comprises a radiating element 101 shown in (b), which is made of a non-self-carrying (e.g. thin metal) sheet comprising at least a conductive surface.
  • the radiating element 101 may be made of a metal sheet, in particular of a thin-walled, unstable metal sheet.
  • the radiating element 101 may be a dipole, and/or may for instance have a cross-shape as shown in (b) of Fig. 1 (and in all following figures).
  • a cross-shaped radiating element 101 comprises of four substantially identical metal sheet sections, which are arranged in a cross-like manner.
  • the shown cross-shape is only an example, and the radiating element 101 can have other shapes, like a vector-, square-, or horn-shape.
  • the description of the figures in the following is given mainly with respect to one metal sheet section, but is preferably identical for the other sections.
  • the radiator 100 further comprises a non-conducting (e.g. plastic) carrier 102 shown in (a), which is configured to hold in place the radiating element 101 in the assembled state of the radiator 100 shown in (c).
  • the radiator 100 may also have more than one radiating element 101, and the carrier 102 may thus be configured to hold in place a plurality of radiating elements 101.
  • the carrier 102 is, for example, made of a plastic material, and can be produced cheap and precisely, for instance, by injection molding or by 3D printing.
  • the radiating element 101 is connectable to the carrier 102, such that the radiating element 101 follows at least one surface plane 103, 104 of the carrier 102 in the assembled state as shown in (c).
  • the carrier 102 may be inserted into the radiating element 101, or the radiating element 101 may be inserted into the carrier 102.
  • a connection between the radiating element 101 and the carrier 102 is preferably such that the radiating element 101 follows at least one surface plane 103 of the carrier 102 tightly. That means that the radiating element 101 preferably touchingly follows the surface plane 103, and that the geometry and preciseness of the surface plane 103 is transferred to the radiating element 101.
  • a first surface plane 103 of the carrier 102 extends from a food or bottom part of the carrier (where it may be mounted to an antenna board) to a top part of the carrier.
  • a second surface plane 104 extends at the top of the carrier outwards from a center axis of the carrier 102 (in this and the following shown embodiments in 4 directions - cross like structure).
  • the radiator 102 is chosen such that it (at least partly) follows these surface planes 103, 104.
  • Fig. 2 shows in (b) a radiator 100 designed according to a first specific embodiment of the present invention, which bases on the basic embodiment shown in Fig. 1 .
  • the carrier 102 consists of one integrally formed part.
  • the radiating element 101 is inserted into this one-part carrier 102.
  • Fig. 2 shows in (a) a feed 200, which may further be part of the radiator 100.
  • Fig. 2 shows in (b) the radiator 100 with inserted feed 200.
  • the carrier 102 is provided with a feed slot 205, so that the feed 200 can be fittingly inserted.
  • a first part 206 of the inserted radiating element 101 follows tightly a first surface plane 103 of the carrier 102.
  • the first surface plane 103 has a substantially constant distance to the feed slot 205, so that at least over the length of the first part 206 of the radiating element 101, a constant distance from the radiating element 101 to an inserted feed 200 is provided in the assembled state of the radiator 100.
  • the feed 200 and the radiating element 101 are further able to couple capacitively to each other.
  • the carrier 102 is preferably provided with at least one protruding element 203, which may be for instance a knob.
  • the protruding element 203 is preferably configured to partly twist the inserted radiating element 101, in order to form a spring 204 in at least a part of the radiating element 101, which is suited to press at least a part of the radiating element 101 tightly against the carrier 102.
  • Fig. 2 shows further in (b) that a second part 207 of the inserted radiating element 101 is connected to the second surface plane 104 of the carrier 102.
  • the second surface plane 104 may therefore be provided with an undercut 202, with which the second part 207 of the radiating element 101 can be connected to the carrier 102.
  • the second part 207 of the radiating element 101 may particularly be connected in such a way to the second surface plane 104 of the carrier 102 that a gap 201 is provided between the second surface plane 104 and the second part 207.
  • the gap 201 allows the radiating element 101 to move relative to the carrier 102 in case of a thermal expansion, and particularly in case that the thermal expansion coefficients of the carrier 102 and the radiating element 101 are different.
  • the dimensions of the gap 201 are selected depending on the thermal expansion coefficients of the carrier 102 and the radiating element 101.
  • the gap 201 should allow the radiating element 101 to thermally expand, so that in a temperature range from at least -55 °C to 85 °C an undesired contact between the radiating element 101 and the carrier 102, which is caused by thermal expansion, is avoided.
  • Fig. 3 shows a carrier 102 as used for a radiator 100 according to a second specific embodiment of the present invention.
  • the carrier 102 is not an integrally formed part, but comprises an inner part 301 and an outer part 302.
  • the inner part 301 and the outer part 302 are connectable to each other, in order to sandwich in between the radiating element 101. That means, for assembling the radiator 100, the radiating element 101 is inserted into the carrier 102. In Fig. 3 the outer part 301 and inner part 302 are shown connected to each. A recess 303 in at least the outer part 302 is visible, which is intended to provide an air gap for a better capacitive coupling between the radiating element 101 and the feed 200 in the assembled state of the radiator 100. Such a recess 303 in the carrier 102 for a better capacitive coupling of the radiating element 101 and the feed 200 can also be provided to the one-part carrier 102 in the first specific embodiment.
  • Fig. 4 shows a radiator 100 according to the second specific embodiment.
  • the outer part 302 and the inner part 301 of the carrier 102 can be seen, which hold in between the radiating element 101.
  • a first part 206 of the radiating element 101 follows a first surface plane 103 of the carrier 102 tightly
  • a second part 207 of the radiating element 101 follows a second surface plane 104 of the carrier 102.
  • the first part 206 of the radiating element 101 is pressed tightly onto the outer part 302 by the inner part 301, so that a distance between the first part 206 and the feed 200, when it is inserted into the feed slot 205 of the carrier 102, is substantially constant.
  • a constant gap 402 over which the first part 206 of the radiating element 101 and the feed 200 can capacitively couple to another.
  • a gap 201 is provided between the second part 207 of the radiating element 101 and the second surface plane 104, in order to allow for thermally caused relative movements of the individual components of the radiator 100.
  • Fig. 5 shows a different view of the radiator 100 according to the second specific embodiment.
  • Fig. 5 specifically illustrates that for assembling the inner part 301 and the outer part 302, in order to hold in between the radiating element 101 and the feed 200, firstly the inner part 301 may be inserted downwardly into the outer part 302, and may be secondly pushed outwardly against the outer part 302, in order to tightly secure in between the first part 206 and the second part 207 of the radiating element 101 and the feed 200.
  • the outer part 302 and the inner part 301 of the carrier 102 may thereby be snapped together by a suitable snap fit mechanism.
  • the inner part 301 and the outer part 302 may also be connected to each other by any other suitable attachment mechanism, for example by screws, a clip fit, glue or the like.
  • Fig. 6 shows a view from below the radiator 100 according to the second specific embodiment.
  • the inner part 301 and the outer part 302 of the carrier 102 hold the feed 200 and the radiating element 101, respectively, in a well-defined position, i.e. with a substantially constant distance to each other.
  • the radiating element is held against the first surface plane 103.
  • the second surface plane 104 is used for guiding the radiating element 101 outwardly.
  • the radiating element 101 is held less tight, so that it can move relatively to the carrier 102.
  • FIG. 7 specifically shows that the inner part 301 of the carrier 102 is provided with one or more arms 700 configured to press the radiating element 101 from the inside to an inner surface of the outer part 302, in order to hold it at a substantially constant distance to the feed 200. Thereby, one or more arms may be used for different sections of the radiating element 101.
  • a plurality of arms 700 may be provided per section on the inner part 301 of the carrier 102, in order to press the radiating element 101 against in total four surface planes 103a, 103b, 103c, 103d of the outer part 302. That means, each section 101a, 101b, 101c and 101d is pressed to a different surface plane 103a, 103b, 103c or 103d, and each section is thus provided with a substantially constant distance to the feed 200.
  • the above applies of course also to the first specific embodiment.
  • Fig. 8 can also be seen that at least one spring element 800 of the outer part 302 presses the feed 200 to an outer surface of the inner part 301.
  • the radiating element 101 preferably has therefore an opening, through which the spring element 800 of the outer part 302 can extend, in order to press on the feed 200.
  • Multiple spring elements 800 can be provided, for example, depending on the shape of the radiating element 101 and the feed 200.
  • Fig. 9 shows an enlarged view of the radiator 100 according to the second specific embodiment.
  • each arm 700 is preferably provided with at least one spring 900, which presses the feed 200 against the inner part 301 of the carrier 102, when the arm 700 presses the radiating element 101 to the outer part 302 of the carrier 102.
  • the spring 900 has preferably a lower stiffness than the arm 700.
  • the outer part 302 has preferably a lower stiffness than the arm 700, or as the inner part 301 in general.
  • the radiating element 101 and the feed 200 are held in place with a well determined distance 901, which depends mainly on the constructional preciseness of the arm 700 and the spring 900, respectively. Since the whole inner element 301, including the arm 700 and the spring 900, can be manufactured very precisely, for instance by injection molding or 3D printing, the distance 901 can be defined with low geometrical tolerances over a relatively large surface area.
  • the arm 700 provided on the inner part 301 of the carrier 102 presses the radiating element 101 against the outer part 302 of the carrier 102, wherein the outer part 302 is elastic enough to follow the dimensions and tolerances of the inner part 301.
  • the spring 900 on the arm 700 of the inner part 301 presses simultaneously the feed 200 against the inner part 301. This design guarantees an almost tolerance free distance 901 between the feed 200 and the radiating element 101.
  • embodiments of the present invention provide advantages to a radiator 100, which are achieved by separation of its electrical and mechanical functions.
  • the mechanical supporting structure of the radiator 100 can be produced with high preciseness and low cost.
  • the electrical part of the radiator 100 can be produced with low weight, due to its reduced thickness, low cost, and is able to follow exactly the precise mechanical structure. Accordingly, a distance between the radiating element 101 and the feed 200 of the radiator 100, which distance is crucial for a good RF performance of the radiator 100, can be provided with low tolerance.
  • the radiator 100 according to embodiments of the present invention is well suited for high frequency applications.

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Claims (13)

  1. Dispositif rayonnant (100) pour une antenne, le dispositif rayonnant (100) comprenant un élément rayonnant (101) fait d'une feuille non autoportante comprenant au moins une surface conductrice,
    un support non conducteur (102) configuré pour maintenir en place l'au moins un élément rayonnant (101),
    dans lequel l'élément rayonnant (101) est connecté au support non conducteur (102) de telle sorte que l'élément rayonnant (102) suive au moins un plan de surface (103, 104) du support (102) ; et
    dans lequel le dispositif rayonnant (100) comprend en outre :
    une alimentation (200) qui est insérable par ajustement dans une fente d'alimentation (205) prévue dans le support (102) de telle sorte que, lorsque l'alimentation (200) est insérée dans la fente d'alimentation (205), un couplage capacitif entre l'alimentation (200) et l'élément rayonnant (101) soit établi,
    dans lequel le dispositif rayonnant (100) est caractérisé en ce que un espace (201) est prévu entre un second plan de surface (104) du support (102) et une seconde partie (207) de l'élément rayonnant (101),
    dans lequel l'espace (201) est choisi de telle sorte qu'au moins dans une plage de température de 55°C à 85°C un contact dans la zone de l'espace (201) entre l'élément rayonnant (101) et le support (102) causé par la dilatation thermique soit évité.
  2. Dispositif rayonnant (100) selon la revendication 1, dans lequel l'élément rayonnant (101) est connecté à au moins deux plan de surfaces (103, 104) du support (102).
  3. Dispositif rayonnant (100) selon une des revendications précédentes, dans lequel une première partie (206) de l'élément rayonnant (101) suit étroitement un premier plan de surface (103) du support (102),
    le premier plan de surface (103) a une distance sensiblement constante par rapport à une fente d'alimentation (205) du support (102).
  4. Dispositif rayonnant (100) selon l'une des revendications 1 à 3, dans lequel l'élément rayonnant (101) ou une alimentation (200) du dispositif rayonnant (100) est fait(e) d'une feuille de métal ayant une épaisseur d'environ 0,1 à 2 mm, de préférence d'environ 0,5 à 1 mm.
  5. Dispositif rayonnant (100) selon la revendication 3 ou 4, dans lequel l'élément rayonnant (101) suit le premier plan de surface (103) depuis une partie inférieure du support (102) jusqu'à une partie supérieure du support (102), et suit le second plan de surface (104) vers l'extérieur au niveau de la partie supérieure du support (102).
  6. Dispositif rayonnant (100) selon l'une des revendications 1, 2, 4, ou 5, dans lequel le support (102) est constitué d'une partie formée de façon monobloc.
  7. Dispositif rayonnant (100) selon la revendication 6, dans lequel l'élément rayonnant (101) est connecté à un premier plan de surface (103) du support par au moins un élément saillant (203) prévu sur le support (102).
  8. Dispositif rayonnant (100) selon la revendication 7, dans lequel l'au moins un élément saillant (203) est configuré pour partiellement tordre ledit élément rayonnant pour former un ressort (204) appuyant au moins une partie de l'élément rayonnant (101) contre le support (102).
  9. Dispositif rayonnant (100) selon la revendication 7 ou 8, dans lequel l'élément rayonnant (101) est connecté à un second plan de surface (104) du support par un dégagement (202) prévu sur le support (102).
  10. Dispositif rayonnant (100) selon l'une des revendications 1 à 5, dans lequel
    le support (102) comprend une partie intérieure (301) et une partie extérieure (302), et la partie intérieure (301) et la partie extérieure (302) sont connectées l'une à l'autre pour retenir entre celles-ci l'élément rayonnant (101).
  11. Dispositif rayonnant (100) selon la revendication 10, dans lequel
    la partie intérieure (301) est pourvue d'un bras (700), et
    l'élément rayonnant (101) est poussé par le bras (700) contre la partie extérieure (302).
  12. Dispositif rayonnant (100) selon la revendication 11,
    dans lequel le bras (700) est pourvu d'au moins un ressort (900), et
    l'alimentation (200) est poussée par l'au moins un ressort (900) contre la partie intérieure (301).
  13. Antenne, comprenant au moins un dispositif rayonnant (100) selon l'une des revendications 1 à 12.
EP14198718.0A 2014-12-18 2014-12-18 Élément rayonnant pour une antenne Active EP3035438B1 (fr)

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CN107978843B (zh) * 2016-10-21 2022-01-07 安弗施无线射频系统（上海）有限公司 一种天线振子
CN110832702B (zh) * 2017-07-05 2021-06-29 康普技术有限责任公司 具有含电介质上偶极子辐射器的辐射元件的基站天线
CN111293418A (zh) 2018-12-10 2020-06-16 康普技术有限责任公司 用于基站天线的辐射器组件和基站天线
US20240055780A1 (en) * 2021-03-08 2024-02-15 Telefonaktiebolaget Lm Ericsson (Publ) Dipole radiator, a dual-polarized cross dipole comprising two dipole radiators and a mobile communication antenna comprising a plurality of dual-polarized cross dipoles

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DE10316564B4 (de) * 2003-04-10 2006-03-09 Kathrein-Werke Kg Antenne mit zumindest einem Dipol oder einer dipolähnlichen Strahleranordnung
FR2938981B1 (fr) * 2008-11-25 2018-08-24 Alcatel Lucent Dispositif de couplage et de fixation d'un element rayonnant d'antenne et procede d'assemblage d'une antenne
US8570233B2 (en) * 2010-09-29 2013-10-29 Laird Technologies, Inc. Antenna assemblies

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Title
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