WO2014208993A1 - Élément d'antenne cornet de polarisation linéaire double pour antenne réseau plan - Google Patents

Élément d'antenne cornet de polarisation linéaire double pour antenne réseau plan Download PDF

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Publication number
WO2014208993A1
WO2014208993A1 PCT/KR2014/005598 KR2014005598W WO2014208993A1 WO 2014208993 A1 WO2014208993 A1 WO 2014208993A1 KR 2014005598 W KR2014005598 W KR 2014005598W WO 2014208993 A1 WO2014208993 A1 WO 2014208993A1
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WO
WIPO (PCT)
Prior art keywords
hole
bar
linearly polarized
sidewall
height
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.)
Ceased
Application number
PCT/KR2014/005598
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English (en)
Korean (ko)
Inventor
정경환
김주완
정한두
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.)
Microface Co Ltd
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Microface Co Ltd
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Filing date
Publication date
Application filed by Microface Co Ltd filed Critical Microface Co Ltd
Publication of WO2014208993A1 publication Critical patent/WO2014208993A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/025—Multimode horn antennas; Horns using higher mode of propagation
    • H01Q13/0258—Orthomode horns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/0208—Corrugated horns
    • H01Q13/0225—Corrugated horns of non-circular cross-section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/064—Two dimensional planar arrays using horn or slot aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas

Definitions

  • the present invention relates to a dual linearly polarized horn antenna for a planar array antenna, and more particularly, to an orthogonal mode converter that is orthogonal through a horn and simultaneously receives or transmits a dual linearly polarized wave and separates the orthogonal first and second linearly polarized waves. It relates to a dual linearly polarized horn antenna formed.
  • the present invention relates to a dual linearly polarized horn antenna for a planar array antenna, and more particularly, to a dual linearly polarized horn antenna and a dual linearly polarized horn antenna using a small orthogonal mode converter which is a core element of the antenna.
  • the horn antenna is composed of an antenna element composed of a horn and an orthogonal mode converter, a waveguide feeder network, and a feed port.
  • a horn antenna is an antenna that mainly transmits or receives in a high frequency band of 1 GHz or more.
  • a waveguide is a microwave device that passes high frequency signals well. It has a tubular shape and the basic structure includes an E-plane bend, an E-plane T junction, and an H-plane bend. ), And H-Plane T Junction.
  • the horn array antenna is an antenna that starts at a feed port and is connected to each antenna element via a feed network, and in which each horn is regularly arranged at regular intervals and emits or emits radio waves through each horn.
  • the horn antenna of the present invention is an antenna for receiving linearly polarized waves having two mutually orthogonal properties.
  • Linear polarization is divided into horizontal and vertical polarization in which the polarizations are orthogonal to each other.
  • Linear polarization refers to an electromagnetic wave in which the direction of the electric field vector of the propagating electromagnetic wave always vibrates in a single one-dimensional direction.
  • An orthogonal mode converter must be included in the antenna element to simultaneously receive or transmit horizontal and vertical polarizations.
  • Orthogonal mode converter refers to a microwave device that combines or divides signals of two polarizations that are orthogonal to each other. It is a microwave device mainly used for the transmitting and receiving device of a communication dish antenna such as VSAT. When signals of linear polarizations having different polarities are transmitted and received to a plurality of arranged antenna elements, it is the most important part of the antenna design that each polarization is combined or divided without loss.
  • the orthogonal mode converter has been developed in various ways, but the structure suitable for the planar antenna receiving dual linear polarization has one polarization port on the upper layer so as to be connected to the upper waveguide conduit under the horn of the planar antenna and the upper layer It is easy to arrange the remaining polarization port connected to the feeder network arranged on the lower side.
  • the flat type antenna using the antenna element structure in which the stepped protrusion protrudes from the side wall of the waveguide structure narrows the conduit and separates the polarization. (KR 10-0918954).
  • patent US 5392008 a circular orthogonal mode converter is introduced.
  • the patent US 5392008 has a problem in that the common port and the rear port are vertically arranged and the port is disposed on the lower side of the waveguide of the tapered orthogonal mode converter in the substructure of the orthogonal mode converter, so that it is practically applied to a flat waveguide array antenna.
  • Patent Document 1 KR 10-0918954 "Horn Array Antenna For Dual Linear Polarization"
  • Patent Document 2 US 5,392,008 "Orthomode Transducer with side-port window"
  • the structure of the internal orthogonal mode converter is much simpler than the conventional dual linear polarized horn antenna, and the overall height is very low. It is an object of the present invention to provide a dual linearly polarized horn array antenna element which can be lowered and thus advantageous in mass production.
  • Horn 110 for simultaneously transmitting or receiving the first linear polarization 501 and the second linear polarization orthogonal to each other;
  • Orthogonal mode converter 200 for separating the first linear polarization and the second linear polarization in the lower portion of the horn And a feeder feeding power to the orthogonal mode converter.
  • the orthogonal mode converter includes: first holes 211 and 211 for transmitting or receiving the first linearly polarized wave; A second hole 212 for transmitting or receiving the second linearly polarized wave; A third hole 213 disposed above the quadrature mode converter and simultaneously transmitting the first linear polarization and the second linear polarization; The inner space where the first hole 211, the second hole 212, and the third hole 213 are connected to each other, and the second side wall 222 and the fourth side wall 224 are connected to each other. It comprises an orthogonal mode transducer body consisting of a penetrating bar (300) penetrating across the interior space,
  • the feeder may include a first rectangular waveguide 411 connected to the first hole 211 for receiving the first linearly polarized wave; A first feed port 431 feeding power to the first spherical waveguide 411; A second spherical waveguide 412 connected to the second hole 212 for receiving the second linearly polarized wave; A second feed port 432 feeding power to the second spherical waveguide 412;
  • An upper shape of the body of the orthogonal mode converter is one of a rectangular cylindrical shape or a rectangular cylindrical shape having rounded corners.
  • the first hole 211 has a rectangular shape and is positioned in the middle of an upper portion of the first sidewall 221 facing the through bar, and the long axis of the first hole 211 is in the longitudinal axis of the horn antenna.
  • the second hole 212 is a rectangular shape, the upper side of the second hole 212 is lower than the height of the lower side of the first hole 211 and the second side wall 222 Or one edge of the second hole 212 is disposed below one of the fourth side walls, or one edge of the second side wall 222 or the fourth side wall 224 below one of the first side walls or the third side walls.
  • the height of the highest point of the through bar is equal to or less than the height of the center point of the first hole 211, and the height of the lowest point of the through bar is equal to or greater than the height of the center point of the second hole 212 and the height of the first hole 211.
  • the interval is narrow, and the interval between the first side wall 221 and the third side wall 223 is continuous or discontinuous from the height of the lower side of the first hole 211 to the lower side of the orthogonal mode converter. It is characterized in that the interval is narrowed.
  • the distance between the third side wall 223 and the through bar may be shorter than the distance between the first side wall 221 and the through bar.
  • the through bar may further include sidewall protrusions on the first sidewall 221 and opposite sidewalls of the hole.
  • the cross-section of the through bar may be one of a circle, a triangle, a rectangle, or a combination of a circle, a triangle, and a rectangle.
  • the height of the lowest point of the through bar may be the same height as the upper surface of the spherical waveguide of the second port.
  • a protrusion may be formed on a portion of the upper side or the lower side of the through bar.
  • the antenna element of the present invention and a flat waveguide horn antenna using the same have a simple structure in processing metal coated plastic or a metal such as aluminum or brass, so that the design time of the antenna is small and the design time can be largely reduced. In mass production, the possibility of error is small and mass productivity is improved.
  • 1 is an internal perspective view of a conventional horn antenna element
  • FIG. 2 is a perspective view of a horn antenna according to the present invention.
  • FIG. 3 is a side perspective view of a horn antenna element according to the present invention.
  • FIG. 4 is a top perspective view of a horn antenna element according to the present invention.
  • FIG. 5 is a reversed perspective view of a horn antenna according to the present invention.
  • FIG. 6 is a perspective view of a horn antenna according to the present invention.
  • FIG. 7 is a perspective view of an embodiment of a through bar according to the present invention.
  • FIG. 2 is a perspective view of a dual linearly polarized horn antenna according to an embodiment of the present invention.
  • a horn 110 that simultaneously transmits or receives a first linear polarization and a second linear polarization that are orthogonal to each other; It comprises a; orthogonal mode converter 200 for separating the first linear polarization and the second linear polarization.
  • the horn has a structure in which the top of the horn has a wide area and the bottom of the horn is narrowed. In the shape of the cross section cut vertically on the top and bottom of the horn, it may be a structure having a straight line, a gentle curve or a stepped discontinuous slope.
  • the orthogonal mode converter 200 includes: a first hole 211 for transmitting or receiving the first linearly polarized wave; A second hole 212 for transmitting or receiving the second linearly polarized wave;
  • a third hole 213 disposed above the quadrature mode converter and simultaneously transmitting the first linear polarization and the second linear polarization;
  • an orthogonal mode transducer body consisting of one penetrating bar 300 penetrating across the interior space.
  • the feeder may include a first rectangular waveguide 411 connected to the first hole 211 for receiving the first linearly polarized wave; A first feed port 431 feeding power to the first spherical waveguide 411; A second spherical waveguide 412 connected to the second hole 212 for receiving the second linearly polarized wave; And a second feed port 432 that feeds the second rectangular waveguide 412.
  • the first hole 211 and the second hole 212 are connected to the first feed port 431 and the second feed port 432 through the first rectangular waveguide 411 and the second rectangular waveguide 412. do.
  • Each of the spherical waveguides may be deformed and expanded as necessary through a field-bend and a magnetic-field bend or a curved waveguide, an electric-field tee distributor, a magnetic-plane tee distributor, and the like.
  • the upper shape of the orthogonal mode transducer body may be one of a rectangular cylindrical shape or a rectangular cylindrical shape having rounded corners.
  • the horn may be formed in such a manner that the inclined surface is reduced in width toward the lower end continuously or discontinuously in order to increase antenna gain and efficiency.
  • the rectangular shape may be a square shape, and in another case, the rectangular shape may be implemented according to the propagation wavelength length of the operating frequency.
  • the third hole 213 of the orthogonal mode converter and the lower hole of the horn may coincide with each other when the horn is joined to the upper portion of the orthogonal mode converter below, and the hole at the bottom of the horn may be It may be formed larger than the third hole and bonded (FIGS. 2 to 4).
  • the first hole 211 has a rectangular shape and is the first entry of the first spherical waveguide 411.
  • the first hole 211 is positioned in the middle of the upper side of the first side wall 221 facing the through bar, and the long axis of the first hole 211 is formed in the longitudinal axis 10 of the horn antenna.
  • the first linearly polarized light enters and exits through the first hole.
  • the second hole 212 has a rectangular shape and is the first entry of the second spherical waveguide 412.
  • the upper side surface of the second hole 212 is lower than the height of the lower side surface of the first hole 211 and disposed below the second side wall 222 or the fourth side wall, or the first side wall or the third side wall 223.
  • One corner of the second hole 212 is disposed at a lower portion of the second side wall 222 and the fourth side wall 224.
  • the electromagnetic wave is fed to the antenna through the first feed port.
  • the size of the rectangular waveguide can be larger or smaller depending on the length of the wavelength of the operating frequency.
  • the standard internal size WR75 (19.05mm x 9.53mm) or slightly larger or smaller waveguides can be used depending on the required operating frequency and requirements.
  • the lower side of the orthogonal mode transducer is blocked and the second linear polarization enters and exits the second hole 212 disposed on the side.
  • the through bar is arranged to penetrate the interior of the quadrature mode converter 200 in the same direction as the direction 501 in which the vector of the electric field of the first linearly polarized wave always vibrates.
  • the height of the highest point of the through bar 300 is equal to or less than the height of the center point of the first hole 211, and the height of the lowest point of the through bar is disposed above the height of the center point of the second hole 212.
  • the through bar may have various shapes.
  • a projection is additionally inserted 332 in the center or raised 333 to the second side wall 222 and the fourth side wall 224 or vice versa lowered toward the large edge which is the central part of the through-bar ( 334)
  • the first sidewall at the lower side height of the orthogonal mode converter 200 than the distance between the first sidewall 221 and the third sidewall 223 at the bottom side height of the first hole 211 should be narrow.
  • the interval between the first side wall 221 and the third side wall 223 is continuously or discontinuously narrowed from the height of the lower side of the first hole 211 to the lower side of the orthogonal mode converter. Patterns with narrow spacing can be narrowed to taper in various ways, such as straight, curved, or stepped.
  • FIG 3 is a side perspective view of a dual linearly polarized horn antenna according to an embodiment of the present invention.
  • the through bar 300 of FIG. 3 is disposed to face the third sidewall while being in contact with the upper surface of the second hole or the second spherical waveguide.
  • the distance between the through bar and the first sidewall 221 may be disposed at a position farther than the distance between the through bar and the third sidewall 223.
  • FIG. 4 is a top perspective view of a dual linearly polarized horn antenna according to an embodiment of the present invention.
  • FIG. 5 is a reversed perspective view of a dual linearly polarized horn antenna according to an embodiment of the present invention.
  • FIG. 6 is a perspective view of a dual linearly polarized horn antenna according to an embodiment of the present invention.
  • the third sidewall 223 may further include sidewall protrusions 240 to improve propagation characteristics of radio waves.
  • the side wall protrusion 240 may be disposed in the shape of a square, a triangle, or a circular cross section when only the shape of the protruding portion is viewed.
  • FIG. 7 is an embodiment of the shape of the through bar of the dual linearly polarized horn antenna according to the embodiment of the present invention.
  • the cross-section of the through bar may be one of a circle 338 and a rectangle 331 to 336, or a combination of a circle, a triangle, and a rectangle.
  • 339 in FIG. 7 has a cross section of the through bar in the shape of a combination of a rectangle and a triangle.
  • the height of the lowest point of the through bar may be the same height as the upper surface of the spherical waveguide of the second port (Fig. 2).
  • the protrusion 352 may be further included in a portion of the upper side or the lower side of the through bar.
  • FIG. 8 is an exploded perspective view of a dual linearly polarized antenna.
  • Horn antenna according to the present invention has a three-dimensional complex structure can be processed at a time only through a 3D printer. Typically, the panel is separated into several panels, and the shape is processed and then combined to form the shape of the antenna. 8 is composed of a first layer 601, a second layer 602, and a third layer 603.
  • the first layer 601 includes a horn 610, an upper layer 611 of an orthogonal mode converter, and an upper structure 612 of the first spherical waveguide.
  • the second layer includes a middle layer 621 of the first rectangular waveguide, a through bar 622, a lower structure 623 of the first rectangular waveguide, and an upper structure 624 of the second rectangular waveguide.
  • the third layer includes a lower layer 631 of the orthogonal mode converter and a lower structure 632 of the second spherical waveguide.
  • the present invention can be easily understood by those who design waveguide filters or waveguide antennas, and can be easily used for home satellite antennas or communications because they are easy to produce with a flat metal coated waveguide plate.

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  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

L'invention concerne une antenne cornet de polarisation linéaire double. L'antenne cornet de polarisation rotationnelle double comprend : une corne (110) permettant de transmettre ou recevoir simultanément une première polarisation linéaire (501) et une seconde polarisation linéaire qui sont orthogonales l'une à l'autre; et un transducteur de mode orthogonal (200) permettant de séparer la première polarisation linéaire et la seconde polarisation linéaire. Le transducteur de mode orthogonal comprend : un premier trou (211) connecté à un premier guide d'onde rectangulaire (411); un deuxième trou (212) connecté à un premier guide d'onde connecté au premier trou (211), et un second guide d'onde rectangulaire (412); un troisième trou à travers lequel un second guide d'onde connecté au second trou (212), la première polarisation linéaire et la seconde polarisation linéaire passent simultanément; et un corps de transducteur de mode orthogonal, le corps de transducteur de mode orthogonal comprenant une barre pénétrante (300) qui pénètre l'intérieur du corps de transducteur de mode orthogonal.
PCT/KR2014/005598 2013-06-24 2014-06-24 Élément d'antenne cornet de polarisation linéaire double pour antenne réseau plan Ceased WO2014208993A1 (fr)

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KR1020130072084A KR101497678B1 (ko) 2013-06-24 2013-06-24 평판 배열 안테나용 듀얼 선형편파 혼 안테나 소자
KR10-2013-0072084 2013-06-24

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018100133A1 (fr) 2016-12-02 2018-06-07 Kathrein-Werke Kg Cornet d'émission à double polarisation
CN111740233A (zh) * 2020-08-17 2020-10-02 星展测控科技股份有限公司 双极化开口波导阵列天线及通信装置
CN111799572A (zh) * 2020-09-08 2020-10-20 星展测控科技股份有限公司 双极化开口波导阵列天线及通信装置
CN113451756A (zh) * 2021-06-28 2021-09-28 四创电子股份有限公司 一种整体化骨架监视雷达天线
CN115548687A (zh) * 2022-10-20 2022-12-30 西安交通大学 一种Ka波段锥状波束天线
US12206177B2 (en) 2021-11-01 2025-01-21 Electronics And Telecommunications Research Institute Method and apparatus for radio signal transmission and reception in communication system
RU2840071C1 (ru) * 2024-04-26 2025-05-16 Публичное акционерное общество "Научно-производственное объединение "Алмаз" Волноводный излучатель линейной поляризации с рабочей полосой частот 40%

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KR102402292B1 (ko) * 2016-04-04 2022-05-27 주식회사 케이엠더블유 이중편파 혼 안테나
RU2629534C1 (ru) * 2016-04-11 2017-08-29 Самсунг Электроникс Ко., Лтд. Фазированная антенная решетка с адаптируемой поляризацией
KR102146464B1 (ko) * 2019-11-04 2020-08-21 코모텍 주식회사 이중편파의 효율적인 분배가 가능한 도파관 안테나
KR102678592B1 (ko) * 2019-11-26 2024-06-27 엘지전자 주식회사 차량에 탑재되는 안테나 시스템
CN112290213B (zh) * 2020-09-10 2024-04-30 星展测控科技股份有限公司 双极化开口波导阵列天线及通信装置
KR20220169565A (ko) * 2021-06-21 2022-12-28 (주)자누셋 듀얼 선형 편파 혼 안테나
KR102439283B1 (ko) * 2021-12-10 2022-09-01 국방과학연구소 3d 프린팅과 메타물질을 이용한 x 대역 혼 안테나
KR102467951B1 (ko) * 2021-12-30 2022-11-17 한국전자통신연구원 초고주파 빔 형성 안테나

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KR20110069386A (ko) * 2009-12-17 2011-06-23 (주)마이크로페이스아이엔씨 평판형 회전편파 도파관 안테나 및 도파관의 꺽임 구조

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KR20090024059A (ko) * 2007-09-03 2009-03-06 주식회사 아이두잇 듀얼선형편파 혼어레이 안테나
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018100133A1 (fr) 2016-12-02 2018-06-07 Kathrein-Werke Kg Cornet d'émission à double polarisation
DE102016014385A1 (de) 2016-12-02 2018-06-07 Kathrein-Werke Kg Dual polarisierter Hornstrahler
US11196178B2 (en) 2016-12-02 2021-12-07 Telefonaktiebolaget Lm Ericsson (Publ) Dual-polarized horn radiator
CN111740233A (zh) * 2020-08-17 2020-10-02 星展测控科技股份有限公司 双极化开口波导阵列天线及通信装置
CN111740233B (zh) * 2020-08-17 2020-12-04 星展测控科技股份有限公司 双极化开口波导阵列天线及通信装置
CN111799572A (zh) * 2020-09-08 2020-10-20 星展测控科技股份有限公司 双极化开口波导阵列天线及通信装置
CN111799572B (zh) * 2020-09-08 2020-12-18 星展测控科技股份有限公司 双极化开口波导阵列天线及通信装置
CN113451756A (zh) * 2021-06-28 2021-09-28 四创电子股份有限公司 一种整体化骨架监视雷达天线
US12206177B2 (en) 2021-11-01 2025-01-21 Electronics And Telecommunications Research Institute Method and apparatus for radio signal transmission and reception in communication system
CN115548687A (zh) * 2022-10-20 2022-12-30 西安交通大学 一种Ka波段锥状波束天线
RU2840071C1 (ru) * 2024-04-26 2025-05-16 Публичное акционерное общество "Научно-производственное объединение "Алмаз" Волноводный излучатель линейной поляризации с рабочей полосой частот 40%

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KR101497678B1 (ko) 2015-03-09

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