EP3134936B1 - Anntennenstütze zur montage auf einer elektrischen platte - Google Patents

Anntennenstütze zur montage auf einer elektrischen platte Download PDF

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Publication number
EP3134936B1
EP3134936B1 EP15717873.2A EP15717873A EP3134936B1 EP 3134936 B1 EP3134936 B1 EP 3134936B1 EP 15717873 A EP15717873 A EP 15717873A EP 3134936 B1 EP3134936 B1 EP 3134936B1
Authority
EP
European Patent Office
Prior art keywords
antenna
card
support
housing
electric
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
EP15717873.2A
Other languages
English (en)
French (fr)
Other versions
EP3134936A1 (de
Inventor
Stéphane KOHN
Romain DEJARDIN
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.)
Sagemcom Broadband SAS
Original Assignee
Sagemcom Broadband SAS
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 Sagemcom Broadband SAS filed Critical Sagemcom Broadband SAS
Publication of EP3134936A1 publication Critical patent/EP3134936A1/de
Application granted granted Critical
Publication of EP3134936B1 publication Critical patent/EP3134936B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01Q1/2291—Supports; Mounting means by structural association with other equipment or articles used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40—Element having extended radiating surface

Definitions

  • the invention relates to the field of wireless transmission of information and more precisely has for objects: an antenna support, an electric card provided with such a support, an antenna placement method and a manufacturing method of '' an electric card equipped with an antenna.
  • a domestic electronic device such as an Internet gateway of the Set-top box or ADSL box type, conventionally comprises a box in which are integrated at least one electrical card and one antenna connected to the electrical card and thanks to which the electronic device can exchange information. data with other electronic devices (belonging for example to the same wireless network of the WiFi type).
  • the placement of the antenna on the card or in the box is generally defined during a study phase preceding the design of the printed circuit of the card, said study phase also comprising phases of design of the electrical diagram of the card, radio simulations, mock-up, test, etc.
  • the placement of the antenna is therefore fixed at the time of the design and manufacture of the printed circuit, the soldering of the electronic components on the board and the integration of the board and the antenna into the housing.
  • the operation of the system formed by the card and the antenna is different from that expected, for example because of undervalued interference between the antenna in question and another antenna on the card, or of the 'influence of a late mechanical modification of the housing on the radiation pattern of the antenna, etc.
  • this phenomenon requires changing the placement of the antenna, it is necessary to design and manufacture a new printed circuit, which tends to increase the development costs of the electronic device.
  • the object of the invention is to reduce the development costs of an electronic device comprising an electric card connected to an antenna.
  • the orientation of the antenna and the position of the antenna on the card are not fixed at the time of design and manufacture of a printed circuit of the card. If the operation of the system formed by the card and the antenna is different from the expected operation, the antenna support of the invention makes it possible to modify the orientation of the antenna by installing it in another housing, or to modify the position of the antenna on the map using the support adjustment means.
  • an electric card provided with an antenna support such as that described above, said antenna support being adapted to carry an antenna electrically connected to the electric board.
  • the antenna support 1 of the invention is intended to be mounted on an electric board 2 and to carry an antenna 3 electrically connected to the electric board 2.
  • the antenna 3 is here a flat antenna used in data transmissions according to a Wifi protocol.
  • the electric board 2 and the antenna 3 are integrated in a housing 10 (visible on the figure 6 ) a domestic electronic set-top box appliance.
  • the electric board 2 is itself formed of a printed circuit on which are soldered a certain number of various electronic components 4, among which a data processing processor connected to radiofrequency components (transmitter / receiver, etc.) directly connected. on air 3.
  • the antenna support 1 extends over a length L and over a height h less than the length L.
  • a front face F1 of the antenna support 1 is defined, which extends opposite the electrical board 2 when the antenna support 1 is mounted on the electric board 2, and a rear face F2 of the antenna support 1 which extends opposite a side face of the housing 10 when the electric board 2 and the antenna support 1 are integrated into the housing 10.
  • the antenna support 1 has a lower part 7 comprising a substantially planar lower base 8 having a generally rectangular shape intended to bear on the electric board 2, and an upper part 9 extending in a balcony above the electric board. 2 and delimiting a first housing 11 intended to receive the antenna 3 in such a way that it extends parallel to the electric card 2.
  • the first housing 11 comprises a first flat bottom 12 parallel to the lower base 8.
  • the first bottom 12 has a generally rectangular shape of surface greater than that of the surface of the lower base 8 and is bordered by first flanges 14 extending perpendicularly. projecting from the first bottom 12.
  • the antenna support 1 comprises a second housing 15 intended to receive the antenna 3 in such a way that it extends perpendicularly to the electric board 2.
  • the second housing 15 extends over the rear face F2 of the support. antenna 1 and is delimited in an intermediate part of the antenna support 1 connecting the upper part 9 and the lower part 7.
  • the second housing 15 comprises a second flat bottom 16 having a generally rectangular surface shape S, perpendicular to the first bottom 12.
  • the second bottom 16 is bordered by second flanges 17 extending perpendicularly projecting from the second bottom 16.
  • the first housing 11 and the second housing 15 are each adapted to receive the antenna 3 in a distinct orientation.
  • the first housing 11 is adapted to receive the antenna 3 parallel to the electric board 2 and the second housing 15 is adapted to receive the antenna 3 perpendicular to the electric board 2.
  • the first housing 11 and the second housing 15 are each provided with a notch 19, said notches 19 being formed respectively in a first rim 14 located in the vicinity of the rear face F2 of the antenna support 1 and in a second rim 17. These notches 19 are intended to guide an electric wire 21 connecting the antenna 3 to the electric card 2. These notches 19 make it possible to control very precisely the length, the position and the stiffness of this electric wire 21.
  • the first housing 11 and the second housing 15 each comprise foolproofing means intended to prevent the mounting in the housing 10 of the electric board 2 equipped with the antenna support 1 and an antenna 3 installed in an inadequate housing of the support 1.
  • the coding means here comprise two first slots 22 located in the first bottom 12 of the first housing 11 and two second slots 23 located in the second bottom 16 of the second housing 15.
  • the first slots 22 are perpendicular to the second slots 23 which s' extend in the continuity of the first slots 22.
  • the first and second slots 22, 23 are intended to cooperate with complementary tongues 24 of the housing 10.
  • the tabs 24 of the housing 10 are positioned on a side face of the housing 10 of so that they are introduced into the second slots 23 when the electric board 2 and the antenna support 1 are integrated into the housing 10. This situation corresponds to the tabs 24 shown in solid lines on the figure. figure 6 .
  • the tabs come up against the antenna 3 which prevents assembly and warns the operator that the antenna is not mounted in the correct housing.
  • the tabs 24 of the housing are positioned on the cover of the housing 10 so that they are introduced into the first slots 22.
  • the electric board 2 and the antenna support 1 are integrated into the housing 10. This situation corresponds to the tabs 24 shown in dotted lines on the figure 6 .
  • the tabs strike the antenna 3 and prevent the correct positioning of the housing cover 10.
  • the antenna support 1 further comprises means for adjusting the position of the antenna 3 on the electric board 2, which are located at the level of the lower part 7 of the antenna support 1.
  • position of the antenna
  • here means the position of the antenna along an edge 26 of the electric card 2, independently of the orientation of the antenna.
  • These adjustment means comprise a slide 25 cooperating with the edge 26 of the electric card 2 when the antenna support 1 is mounted on the card 2.
  • This slide 25 comprises a support plane 27, in this case formed by an upper face of the base 8 of the antenna support 1, and a counter-bearing plane 28.
  • This slide 25 makes it possible to modify the position of the antenna support 1 when the latter is mounted on the electrical board 2 by making slide the antenna support 1 along the edge 26, and therefore makes it possible to modify the position of the antenna support 1.
  • the counter-bearing plane 28 is provided with a first chamfer 32 intended to facilitate the insertion of the edge 26 of the electric board 2 in the slide 25 when the antenna support 1 is mounted on the electric board 2.
  • the antenna support 1 further comprises means for fixing the antenna support 1 on the electric board 2 making it possible to fix the antenna support 1 when its position along the edge 26 of the electric board 2 is defined.
  • the fixing means comprise two flexible tabs 29 each provided with a fixing pin 30 which extend in the extension of the support plane 27 of the slide 25.
  • a fixing position of the antenna support 1 is defined on the electric board 2 by fixing holes 31 made for this purpose on the electric board 2. It is noted that each flexible tab 29 is provided with a second chamfer 34 intended to facilitate the insertion of the edge 26 of the electric board 2 into the slide 25.
  • the flexible tabs 29 tilt due to the action of the electric board 2 on the fixing pins 30 of the flexible tabs 29, which allows the antenna support 1 to be slid along the edge 26 of the electrical board 2.
  • the fixing pins 30 are accommodated in the fixing holes 31 which makes it possible to fix the antenna support 1 on the electric board 2.
  • the antenna support 1 comprises two protuberances 33 located in the extension of the base of the antenna support 1. These protuberances 33 make it possible to fix the antenna support 1 on a possibly different element of an electrical card, for example on a mechanical element located in the bottom of the housing 10 and provided for this purpose. To secure the antenna support 1, the protuberances 33 cooperate, for example, with slides or with a clipping system or can receive screws.
  • the base 8 of the antenna support 1 ' is provided at the level of the support plane 27 with two first conductive elements 35 electrically connected to the antenna 3, in this case with two conductive pads 35, and the printed circuit of the electric card 2 of two second conductive elements 36, in this case two tracks 36 (unvarnished) parallel and running along the edge 26 of the card 2.
  • the pads 35 and the parallel tracks 36 are thus in contact when the support d 'antenna 1' is mounted on the electric board 2 and the antenna 3 is thus electrically connected to the electric board 2. It is therefore possible to modify the position of the antenna support 1 'and even to slide the antenna support 1' while maintaining this electrical connection (provided that the pads 35 remain in contact with the tracks 36).
  • the antenna support 1, 1 ′ is particularly well suited for defining the placement of an antenna 3 intended to be connected to an electric card 2.
  • placement is meant here both the orientation of the antenna 3 and the position of the antenna 3 on the card 2, the term “position” being understood as defined above.
  • the method of placing an antenna 3 of the invention first of all comprises the step of installing the antenna 3 in a housing 11, 15 of the antenna support 1, 1 'adapted to receive the antenna 3 according to a preferential orientation, said preferential orientation having for example been defined following a study phase.
  • the placement method then comprises the step of mounting the antenna support 1, 1 'on the electric board 2, in a certain position along the edge 26 of the electric board 2.
  • the placement method then comprises the step of performing a radioelectric measurement to evaluate a parameter representative of the quality of the placement of the antenna 3.
  • This radioelectric measurement consists, for example, in measuring an electric field at a certain frequency in order to evaluate the quality. transmitting antenna 3 at this certain frequency.
  • the placement method finally comprises the step of modifying the position of the antenna support 1, 1 'on the edge 26 of the electric card 2 in order to improve the parameter in question, so that the system formed by the electric card 2 and antenna 3 is functioning satisfactorily.
  • the orientation of the antenna 3 is also modified by installing it in another housing 11, 15 to improve said parameter.
  • the placement method of the invention can be used during a test phase preliminary to the design of the printed circuit of the electrical card, so as to define the final placement of the antenna relative to the card.
  • the placement method of the invention can also be used during the manufacturing process of a card. electric 2 of the invention.
  • This manufacturing process consists in providing to fix the position of the antenna 3 after the printed circuit of the electric card 2 has been manufactured.
  • the placement method of the invention thus comprises first of all the steps of manufacturing the printed circuit and of mounting the electronic components 4 of the electric card 2 on the printed circuit.
  • the placement method then comprises the step of placing the antenna 3 using the placement method according to the preceding claim. Once the optimal placement of the antenna 3 is defined, the antenna support 1, 1 'is fixed on the electric board 2 by making holes 31 in the electric board 2 to accommodate the fixing pins 30 of the flexible lugs. 29 of the antenna support 1.
  • these orifices 31 are here located outside the border plane of the printed circuit of the electric card 2. The drilling of these orifices 31 therefore does not alter the printed circuit and therefore does not require carrying out testing. additional qualifications on the PCB.
  • the antenna support described is equipped with two housings adapted to receive the antenna, the invention applies to supports equipped with a different number of housings. Likewise, a different number of flexible tabs, conductive elements, keying slots, fixing positions, etc. can be provided. Keying slots are optional.
  • the invention also applies to an antenna of different shape, used in any type of radio communication (protocol, frequency, etc.).
  • the means for adjusting the position of the antenna on the card here include a slide allowing the position of the support and therefore of the antenna on the card to be modified, the means for adjusting the position of the card.
  • the antenna could also be located directly on the support.
  • the support could for example be provided with a movable drawer type device carried by the lower part of the support and accommodating the antenna. In such a configuration, the support could then be mounted fixed relative to the electrical board, the position of the antenna being modified by sliding the movable drawer on the support.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)

Claims (12)

  1. Antennenstütze, die dazu geeignet ist, auf einer elektrischen Karte (2) montiert zu werden und eine Antenne (3) zu tragen, die elektrisch mit der Karte (2) verbunden ist, wobei die Stütze umfasst:
    - eine Vielzahl von Aufnahmen (11, 15), die jeweils dazu geeignet sind, die Antenne (3) in einer anderen Ausrichtung aufzunehmen;
    - Einstellmittel zum Einstellen der Position der Antenne (3) auf der Karte (2);
    - Befestigungsmittel zur Befestigung der Stütze auf der Karte (2).
  2. Antennenstütze nach Anspruch 1, bei der die Einstellmittel eine Gleitführung (25) umfassen, die mit einer Kante (26) der Karte (2) zusammenwirkt, wenn die Stütze auf der Karte montiert ist, wobei die genannte Gleitführung (25) ermöglicht, die Position der Stütze und folglich der Antenne auf der Karte zu ändern, indem die Stütze entlang dieser Kante (26) verschoben wird.
  3. Antennenstütze nach Anspruch 2, bei der die Befestigungsmittel mindestens eine flexible Lasche (29) umfassen, die mit einem Befestigungsstift (30) versehen ist und sich in der Verlängerung einer Auflagefläche der Gleitführung erstreckt, wobei sich die genannte flexible Lasche unter der Wirkung der Karte auf den Stift (30) neigt, wenn die Stütze auf der Karte montiert ist und sich nicht in einer Befestigungsposition der Stütze auf der Karte befindet, wobei der Befestigungsstift in einer zu diesem Zweck auf der Karte ausgebildeten Öffnung (31) aufgenommen ist, wenn sich die Stütze in einer Befestigungsposition auf der Karte befindet.
  4. Antennenstütze nach Anspruch 3, bei der sich die Öffnung (31) außerhalb einer Grenzebene einer Leiterplatte der elektrischen Karte (2) befindet.
  5. Antennenstütze nach einem der vorhergehenden Ansprüche, die dazu geeignet ist, eine flache Antenne zu tragen, wobei die Stütze eine erste Aufnahme (11) umfasst, die dazu geeignet ist, eine Antenne parallel zur Karte aufzunehmen, sowie eine zweite Aufnahme (15), die dazu geeignet ist, die Antenne senkrecht zur Karte aufzunehmen.
  6. Antennenstütze nach Anspruch 5, bei der mindestens eine der Aufnahmen (11, 15) Unverwechselbarkeitsmittel umfasst, die dazu bestimmt sind, zu verhindern, dass die Karte, die mit der Stütze und mit einer in einer unpassenden Aufnahme installierten Antenne versehen ist, in einem Gehäuse (10) montiert wird.
  7. Antennenstütze nach Anspruch 6, bei der die Unverwechselbarkeitsmittel einen Schlitz (22, 23) umfassen, der sich in einem Boden (12, 16) der Aufnahme befindet, die die Unverwechselbarkeitsmittel umfasst.
  8. Antennenstütze nach einem der vorhergehenden Ansprüche, bei der mindestens eine der Aufnahmen mit einer Nut (19) versehen ist, die dazu bestimmt ist, einen elektrischen Draht (21), der die Antenne mit der Karte verbindet, zu führen.
  9. Antennenstütze nach einem der vorhergehenden Ansprüche, bei der die Stütze mindestens ein erstes leitendes Element (35) umfasst, das dazu bestimmt ist, mit einem zweiten leitenden Element (36) in Kontakt zu kommen, das sich auf der Karte befindet, wenn die Stütze auf der Karte montiert ist, sodass die Karte elektrisch mit der Stütze verbunden wird.
  10. Elektrische Karte, die mit einer Antennenstütze nach einem der vorhergehenden Ansprüche versehen ist, wobei die genannte Antennenstütze dazu geeignet ist, eine Antenne zu tragen, die mit der elektrischen Karte elektrisch verbunden ist.
  11. Verfahren zum Platzieren einer Antenne, die dazu bestimmt ist, mit einer elektrischen Karte verbunden zu werden, umfassend die Schritte:
    - Installieren der Antenne (3) in einer Aufnahme (11, 15) einer Antennenstütze nach einem der Ansprüche 1 bis 9;
    - Montieren der Stütze auf der Karte;
    - Durchführen einer radioelektrischen Messung, um einen Parameter zu bewerten, der repräsentativ für die Qualität der Platzierung der Antenne ist;
    - Ändern der Ausrichtung der Antenne und/oder der Position der Stütze, um diesen Parameter zu verbessern.
  12. Verfahren zum Herstellen einer elektrischen Karte, die mit einer Antenne verbunden ist, umfassend die Schritte:
    - Herstellen einer Leiterplatte;
    - Montieren der elektronischen Bauelemente (4) der Karte auf der Leiterplatte;
    - Platzieren der Antenne unter Verwendung des Verfahrens zum Platzieren nach dem vorhergehenden Anspruch;
    - Befestigen der Stütze auf der Karte.
EP15717873.2A 2014-04-24 2015-04-17 Anntennenstütze zur montage auf einer elektrischen platte Active EP3134936B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1453714A FR3020504B1 (fr) 2014-04-24 2014-04-24 Support d'antenne destine a etre monte sur une carte electrique
PCT/EP2015/058450 WO2015162071A1 (fr) 2014-04-24 2015-04-17 Support d'antenne destine a etre monte sur une carte electrique

Publications (2)

Publication Number Publication Date
EP3134936A1 EP3134936A1 (de) 2017-03-01
EP3134936B1 true EP3134936B1 (de) 2020-07-22

Family

ID=50976937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15717873.2A Active EP3134936B1 (de) 2014-04-24 2015-04-17 Anntennenstütze zur montage auf einer elektrischen platte

Country Status (6)

Country Link
US (1) US10109913B2 (de)
EP (1) EP3134936B1 (de)
CN (1) CN106256042B (de)
BR (1) BR112016024270B1 (de)
FR (1) FR3020504B1 (de)
WO (1) WO2015162071A1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6448932B1 (en) * 2001-09-04 2002-09-10 Centurion Wireless Technologies, Inc. Dual feed internal antenna
SE525652C2 (sv) * 2002-07-15 2005-03-29 Perlos Ab Antennanordning för en portabel radiokommunikationsapparat
US7916091B2 (en) * 2005-02-05 2011-03-29 Wha Yu Industrial Co., Ltd. Antenna module for a wireless electronic device
TW201019530A (en) * 2008-11-05 2010-05-16 Inventec Corp Complex antenna
EP2395602A1 (de) * 2010-06-08 2011-12-14 Research In Motion Limited Niedrigfrequenz-Dualantennendiversitätssystem
CN103682637B (zh) * 2012-09-12 2018-05-11 深圳富泰宏精密工业有限公司 无线通信装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
US20170033452A1 (en) 2017-02-02
CN106256042B (zh) 2019-05-10
WO2015162071A1 (fr) 2015-10-29
FR3020504B1 (fr) 2016-05-27
BR112016024270A2 (pt) 2017-08-15
EP3134936A1 (de) 2017-03-01
FR3020504A1 (fr) 2015-10-30
US10109913B2 (en) 2018-10-23
CN106256042A (zh) 2016-12-21
BR112016024270B1 (pt) 2022-08-09

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