WO2015053421A1 - Ensemble antenne plane fixé à un plafond - Google Patents

Ensemble antenne plane fixé à un plafond Download PDF

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Publication number
WO2015053421A1
WO2015053421A1 PCT/KR2013/009041 KR2013009041W WO2015053421A1 WO 2015053421 A1 WO2015053421 A1 WO 2015053421A1 KR 2013009041 W KR2013009041 W KR 2013009041W WO 2015053421 A1 WO2015053421 A1 WO 2015053421A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
antenna assembly
lower cover
ceiling
cover
Prior art date
Application number
PCT/KR2013/009041
Other languages
English (en)
Korean (ko)
Inventor
박진영
Original Assignee
주식회사 굿텔
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 주식회사 굿텔 filed Critical 주식회사 굿텔
Priority to PCT/KR2013/009041 priority Critical patent/WO2015053421A1/fr
Publication of WO2015053421A1 publication Critical patent/WO2015053421A1/fr

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Classifications

    • 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
    • H01Q9/44—Resonant antennas with a plurality of divergent straight elements, e.g. V-dipole, X-antenna; with a plurality of elements having mutually inclined substantially straight portions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • 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 present invention relates to an antenna assembly for a mobile communication repeater, and more particularly, to a ceiling mounted flat antenna assembly that improves the structure of the antenna assembly for a mobile communication repeater using a flat plate antenna.
  • the antenna assembly for a mobile communication repeater is composed of an antenna that is a radio transceiver, and an antenna cover formed of a material for protecting the antenna.
  • the antenna assembly for a mobile communication repeater installed and used indoors is installed on a ceiling or a wall, and the structure and size of the antenna assembly for the mobile communication repeater have a very important effect on the interior aesthetics.
  • the conventional antenna assembly for a ceiling mounted mobile communication repeater uses an antenna having a radiating element perpendicular to the ceiling, an antenna assembly for a ceiling mounted mobile communication repeater having a protruding structure is attached to the ceiling.
  • the structure protruding from the ceiling is not good aesthetically, it is difficult to install the antenna assembly for the mobile communication repeater due to the contrary of the building owner. Therefore, there is a problem that is difficult to solve the shadow area of customers.
  • the present invention has been proposed to improve the conventional problems as described above, and an object of the present invention is to develop a flat panel antenna assembly for improving the aesthetics of the interior by developing a flat structure of the antenna assembly for mobile communication repeater. to provide.
  • another object of the present invention is to provide a ceiling mounted flat antenna assembly for improving the call quality by improving the electrical characteristics of the radio wave.
  • the present invention employs a printed circuit board-based half-wavelength dipole antenna that is installed horizontally with the mounting surface, the antenna of the ceiling and the horizontal structure is installed, the surface of the upper cover to protect the antenna
  • Various types of patterns can be processed to provide a ceiling mounted flat antenna assembly considering aesthetics when attached to a ceiling.
  • the ceiling mounted flat panel antenna assembly comprises an antenna, a lower cover and an upper cover.
  • the antenna is an antenna having radiating elements on both sides of a printed circuit board installed horizontally on an installation surface.
  • the lower cover is installed in the lower portion of the antenna to fix the antenna in a plate shape.
  • the upper cover is installed on an upper portion of the antenna and is fastened to the lower cover to cover the antenna, and has a flat plate shape to provide an installation space of the antenna.
  • the antenna is a half-wave dipole printed on both sides of the printed circuit board.
  • the radiating element may be formed as a circular, rectangular or stepped radiating element.
  • the radiating element provided on one side of the printed circuit board and the radiating element provided on the other side do not share the radiating surface.
  • spiral copper foil tail may be further connected to the radiating element.
  • the lower cover may be fastened to the ceiling and includes a connector to connect the feeder.
  • a parasitic element is further connected to the printed circuit board.
  • a ceiling mounted flat antenna assembly includes an antenna based on a printed circuit board installed horizontally with an installation surface.
  • the low mounting height allows the ceiling mounted flat antenna assembly to protrude less from the mounting surface.
  • a dipole having circular radiating elements and staircase and square radiating elements on both sides of the printed circuit board forms an antenna, it is possible to transmit and receive broadband frequencies, thereby improving the existing shadow area and improving call quality.
  • the spiral copper tail connected to the radiating element helps to improve the standing wave ratio.
  • FIG. 1 is a perspective view of a ceiling mounted flat antenna assembly according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the ceiling mounted flat plate antenna assembly of FIG. 1.
  • 3A is a plan view of the antenna of FIG. 1.
  • 3B is a plan view of an antenna of a ceiling mounted flat antenna assembly according to another embodiment of the present invention.
  • Figure 4a is a perspective view of a ceiling mounted flat panel antenna assembly according to an embodiment of the present invention installed on the ceiling.
  • Figure 4b is a perspective view of a ceiling mounted flat plate antenna assembly according to another embodiment of the present invention installed on the wall.
  • FIG. 5 is a graph illustrating a horizontal pattern of low band (806 to 960 MHz) propagation using a ceiling mounted flat antenna assembly according to an exemplary embodiment of the present invention.
  • FIG. 6 is a graph illustrating a vertical pattern of low band (806 to 960 MHz) propagation using a ceiling mounted flat antenna assembly according to an exemplary embodiment of the present invention.
  • FIG. 7 is a graph measuring a horizontal pattern of a high band (1700 ⁇ 2700MHz) radio wave using a ceiling mounted flat antenna assembly according to an embodiment of the present invention.
  • FIG. 8 is a graph measuring a horizontal pattern of a high band (1700 ⁇ 2700MHz) radio wave using a ceiling mounted flat antenna assembly according to an embodiment of the present invention.
  • FIG. 9 is a graph measuring a radiation pattern of radio waves using a conventional antenna assembly for a ceiling mounted mobile communication repeater.
  • FIG. 10 is a graph measuring a radiation pattern of radio waves using a ceiling mounted flat antenna assembly according to an embodiment of the present invention.
  • FIG. 11 is a graph showing the standing wave ratio of the broadband characteristics using a ceiling mounted flat antenna assembly according to an embodiment of the present invention.
  • FIG. 1 is a perspective view of a ceiling mounted flat antenna assembly 100 according to an embodiment of the present invention.
  • 2 is a cross-sectional view of the ceiling mounted flat antenna assembly 100 according to the embodiment of the present invention of FIG. 3A is a plan view of the antenna 10 of FIG.
  • the ceiling mounted flat antenna assembly 100 includes an antenna 10, a lower cover 20, and an upper cover 30.
  • the antenna 10 includes radiating elements 12 and 13 on both sides of the printed circuit board 11 installed horizontally on the installation surface.
  • the lower cover 20 is installed in the lower portion of the antenna 10 so that the antenna 10 is fixedly connected in the form of a plate.
  • the upper cover 30 is provided with an installation space for installing the antenna 10 in a flat shape, and is fastened to the lower cover 20 in a form of covering the antenna 10 to protect the antenna 10.
  • the lower cover 20 further includes a connector 21 for fastening the installation surface.
  • the antenna 10 includes radiating elements 12 and 13 on both sides of the printed circuit board 11 installed horizontally with respect to the installation surface.
  • the half-wave dipole forms the antenna 10 using the copper foil-printed radiating elements 12 and 13, and the radiating elements are processed into round, square and step shapes.
  • Parasitic elements may be further connected to the antenna 10.
  • copper foil printing is performed in such a manner that the radiating surfaces of the radiating elements 12 and 13 provided on both surfaces thereof are not shared.
  • a circular radiating element 12 is provided on one side of the printed circuit board 11 and a stepped and square radiating element 13 are provided on the opposite side.
  • it may further include a spiral copper foil tail 14 connected to the radiating elements (12, 13).
  • the connected spiral copper foil tail 14 has an effect of improving the broadband standing wave ratio.
  • the spiral copper foil tail 14 may be connected to one or more, and may be connected to radiating elements 12 and 13 provided on both sides thereof.
  • the antenna 10, the stepped radiating element 13 may be copper foil printed on both sides.
  • the lower cover 20 is formed in a plate shape in close contact with the ceiling.
  • the upper surface of the lower cover 20 has a structure formed of a groove or a hole for fastening with the antenna 10.
  • the lower surface of the lower cover 20 is formed with a hole penetrating the upper and lower surfaces to be fastened to the connector 21, the cross section of the hole is processed in the form of a nut.
  • the lower cover 20 is a flat plate shape slightly larger than the antenna 10 to protect the antenna 10.
  • the lower cover 20 may be manufactured in various forms, such as circular, rectangular, star, etc. in the form of a plate.
  • the connector 21 is fastened to a hole penetrating the upper and lower surfaces of the lower cover 20 to fix the ceiling mounted flat antenna assembly 100 to the ceiling, and connects the antenna 10 and the feed line.
  • the connector 21 may be bolted to the outer surface of the connector 21 to be fastened to the hole of the lower cover 20.
  • the shape or fastening method of the connector 21 and the coupling position with the lower cover 20 are not limited.
  • the coupling position of the connector 21 can be adjusted, so that the hole in which the connector 21 and the lower cover 20 are fastened to one side of the lower cover 20 can be processed.
  • the structure that forms the fastening of the ceiling, the wall and the ceiling mounted flat antenna assembly 100 may be referred to as a connector (21).
  • the ceiling mounted flat antenna assembly 100 may be attached to the ceiling 50.
  • the installation surface is not limited to the ceiling, and as shown in FIG. 4B, the ceiling mounted antenna assembly 200 may be connected to the coaxial cable 40 and attached to the wall 51.
  • the upper cover 30 is installed on the upper portion of the antenna 10, is fastened to the lower cover 20 to cover the antenna 10 to provide an installation space for the antenna 10 is to be installed.
  • the upper cover 30 is processed with a non-conductive material having a predetermined rigidity to protect the antenna 10.
  • the upper cover 30 since the upper cover 30 includes the antenna 10 based on the printed circuit board 11, the upper cover 30 is formed in a flat plate shape.
  • the shape of the upper cover 30 may be variously processed, such as round, square. Therefore, since the ceiling mounted antenna assembly 100 can form various uses of the flat top cover 30 and the appearance of the top cover 30, the interior aesthetics can be improved.
  • the surface may be processed in a number of forms such as round, square, star, and triangular.
  • the protrusion when the protrusion is not required, it can be installed without the need for the upper cover 30 and the lower cover 20.
  • the upper coupling hole 31 is formed in the form of a hole penetrating the upper cover 30 in order to fasten the upper cover 30 and the lower cover 20.
  • the lower coupling hole 22 is formed in the form of a hole penetrating the lower cover 20 to fasten the upper cover 30 and the lower cover 20.
  • the coupling member 60 includes a bolt 61 and a nut 62 used to assemble the lower cover 20 and the upper cover 30 of the ceiling mounted flat antenna assembly 100. After matching the position of the lower coupling hole 22 and the position of the upper coupling hole 31, the upper cover 30 and the lower cover 20 can be fastened using the bolt 61 and the nut 62. .
  • the coupling member 60 is not limited to the bolt 61 and the nut 22, and may include all members coupling the upper cover 30 and the lower cover 20.
  • the shape or form and processing form of the upper coupling hole 31 and the lower coupling hole 22 is not limited.
  • FIG. 5 is a graph illustrating a horizontal pattern of low band (806 to 960 MHz) propagation using a ceiling mounted flat antenna assembly according to an exemplary embodiment of the present invention.
  • FIG. 6 is a graph illustrating a vertical pattern of low band (806 to 960 MHz) propagation using a ceiling mounted flat antenna assembly according to an exemplary embodiment of the present invention.
  • 7 is a graph measuring a horizontal pattern of a high band (1700 ⁇ 2700MHz) radio wave using a ceiling mounted flat antenna assembly according to an embodiment of the present invention.
  • 8 is a graph measuring a horizontal pattern of a high band (1700 ⁇ 2700MHz) radio wave using a ceiling mounted flat antenna assembly according to an embodiment of the present invention.
  • Figure 9 is a graph measuring the radiation pattern of the radio wave using the conventional antenna assembly for ceiling mounted mobile communication repeater, the high-directional downward characteristics are shown.
  • Figure 10 referring to the graph measuring the radiation pattern of the radio wave using the antenna assembly for a ceiling mounted mobile communication repeater according to an embodiment of the present invention, the high-band vertical beam pattern is improved.
  • the radiation pattern is improved at broadband frequencies over 806 to 2700 MHz.
  • the frequency band of the antenna provided in the ceiling mounted antenna assembly is TRS (806 ⁇ 869MHz), CDMA (824 ⁇ 894MHz), GSM (890 ⁇ 960MHz), PCS (1750 ⁇ 1870MHz), WCDMA (1920 to 2170MHz), WIBRO (2300 to 2400MHz), WIFI (2400 to 2480MHz), and DMB (2630 to 2655MHz), and can be used for each band frequency band.
  • FIG. 11 is a graph illustrating standing wave ratios of broadband characteristics using a ceiling mounted flat antenna assembly according to an exemplary embodiment of the present invention.
  • the ceiling mounted flat antenna assembly 100 includes an antenna 10 based on a printed circuit board 11 installed horizontally with an installation surface, thereby making the top cover 30 flat. It is possible to manufacture, the ceiling mounted flat antenna assembly 100 is less protruding from the installation surface. In addition, the parasitic element may be further connected to the antenna 10.
  • the assembly of the antenna assembly 100 reduces the protrusion from the ceiling or the wall to the minimum and forms the appearance in various patterns, thereby improving the interior aesthetics. Does not hurt
  • the dipole having the circular radiating element 12 and the stepped and square radiating element 13 on both sides of the printed circuit board 11 to form an antenna 10 it is possible to transmit and receive broadband frequencies, the existing shade Areas can be improved to improve call quality.
  • the spiral copper tail (14) helps to improve the standing wave ratio.
  • the antenna 10 based on the printed circuit board 11 is used, the installation of the antenna 10 is small.

Landscapes

  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)

Abstract

La présente invention se rapporte à un ensemble antenne plane fixé à un plafond pour améliorer la beauté de l'espace intérieur par développement de la structure d'un ensemble antenne pour un répéteur de communication mobile qui doit être plan. De plus, la présente invention concerne un ensemble antenne plane fixé à un plafond permettant d'améliorer la qualité de communication par amélioration des propriétés électriques des ondes radio. L'ensemble antenne plane fixé à un plafond selon la présente invention comprend : une antenne disposée horizontalement sur la surface d'installation et comprenant des éléments rayonnants sur les deux surfaces d'une carte de circuit imprimé ; un couvercle inférieur de type plaque installé sur la partie inférieure de l'antenne de telle sorte que l'antenne soit fixée et couplée à ce dernier ; et un couvercle supérieur de type panneau plat installé sur la partie supérieure de l'antenne et fixé au couvercle inférieure de sorte à recouvrir l'antenne, ce qui permet de former un espace d'installation pour l'antenne.
PCT/KR2013/009041 2013-10-10 2013-10-10 Ensemble antenne plane fixé à un plafond WO2015053421A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/009041 WO2015053421A1 (fr) 2013-10-10 2013-10-10 Ensemble antenne plane fixé à un plafond

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/009041 WO2015053421A1 (fr) 2013-10-10 2013-10-10 Ensemble antenne plane fixé à un plafond

Publications (1)

Publication Number Publication Date
WO2015053421A1 true WO2015053421A1 (fr) 2015-04-16

Family

ID=52813233

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/009041 WO2015053421A1 (fr) 2013-10-10 2013-10-10 Ensemble antenne plane fixé à un plafond

Country Status (1)

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WO (1) WO2015053421A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08330823A (ja) * 1995-05-30 1996-12-13 Matsushita Electric Works Ltd アンテナ
JP2007174158A (ja) * 2005-12-21 2007-07-05 Nec Corp 天井埋め込み型アンテナ
KR20090118303A (ko) * 2008-05-13 2009-11-18 (주)하이게인안테나 천정 취부용 안테나 조립체
KR20120008283A (ko) * 2010-07-16 2012-01-30 한국항공대학교산학협력단 Ｐｃｂ 기판형 방향성 다이폴 안테나
KR101275219B1 (ko) * 2011-04-18 2013-06-14 주식회사 굿텔 천정부착 평판형 안테나 조립체

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08330823A (ja) * 1995-05-30 1996-12-13 Matsushita Electric Works Ltd アンテナ
JP2007174158A (ja) * 2005-12-21 2007-07-05 Nec Corp 天井埋め込み型アンテナ
KR20090118303A (ko) * 2008-05-13 2009-11-18 (주)하이게인안테나 천정 취부용 안테나 조립체
KR20120008283A (ko) * 2010-07-16 2012-01-30 한국항공대학교산학협력단 Ｐｃｂ 기판형 방향성 다이폴 안테나
KR101275219B1 (ko) * 2011-04-18 2013-06-14 주식회사 굿텔 천정부착 평판형 안테나 조립체

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