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WO2018184356A1 - Antenne unipolaire bimode en forme de hache - Google Patents

Antenne unipolaire bimode en forme de hache Download PDF

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Publication number
WO2018184356A1
WO2018184356A1 PCT/CN2017/101986 CN2017101986W WO2018184356A1 WO 2018184356 A1 WO2018184356 A1 WO 2018184356A1 CN 2017101986 W CN2017101986 W CN 2017101986W WO 2018184356 A1 WO2018184356 A1 WO 2018184356A1
Authority
WO
WIPO (PCT)
Prior art keywords
axe
shaped
hollow
rectangular
monopole
Prior art date
Application number
PCT/CN2017/101986
Other languages
English (en)
Chinese (zh)
Inventor
彭彪
邓力
李书芳
张贯京
葛新科
高伟明
张红治
Original Assignee
深圳市景程信息科技有限公司
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 深圳市景程信息科技有限公司 filed Critical 深圳市景程信息科技有限公司
Publication of WO2018184356A1 publication Critical patent/WO2018184356A1/fr

Links

Classifications

    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • 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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an axe-shaped dual-mode monopole antenna.
  • Prior art monopole antennas have two resonant modes, one resonant mode resulting from the longitudinal configuration of the monopole antenna and the other resonant mode being produced by the lateral configuration of the monopole antenna.
  • the monopole antenna design can effectively adjust the antenna frequency bandwidth by reasonably adjusting its horizontal and vertical dimensions.
  • the current monopole antenna is basically difficult to effectively split the two resonance modes, and there is a technical problem that the two resonance modes cannot be independently tuned.
  • the main object of the present invention is to provide an axe-shaped dual-mode monopole antenna, which aims to solve the technical problem that the existing monopole antenna cannot independently align the two resonance modes.
  • the present invention provides an axe-shaped dual-mode monopole antenna including a dielectric plate, a hollow metal sheet, an axe monopole structure and an SMA head, and the hollow metal sheet is attached to the The upper surface of the dielectric plate, the axe monopole structure is attached to the lower surface of the dielectric plate; the hollow metal piece is etched with a stepped hollow slit, and the stepped hollowing slit is hollowed out by the first rectangle a second rectangular hollow, a third rectangular hollow, a fourth rectangular hollow, and a fifth rectangular hollow connected in sequence; the axe monopole structure includes a strip vertical portion and an axe cross portion, the axe monopole The strip-shaped vertical portion of the structure includes a connected first rectangular metal piece and a second rectangular metal piece, the strip-shaped vertical portion of the axe-shaped monopole structure being perpendicular to a long side of a lower surface of the dielectric plate; The axe-shaped transverse portion of the monopole
  • the first rectangular hollow, the second rectangular hollow, the third rectangular hollow, the fourth rectangular hollow, and the wide side of the fifth rectangular hollow are parallel to the central axis of the broad side of the upper surface of the dielectric plate;
  • the first rectangular cutout, the second rectangular cutout, the third rectangular cutout, the fourth rectangular cutout, and the fifth rectangular cutout are symmetric about the central axis of the wide side.
  • the dielectric plate is a dielectric substrate of FR4, and the dielectric plate has a thickness of 0.8 mm and a dielectric constant of 4.4.
  • the length of the dielectric plate and the hollow metal sheet is 74 mm, the width of the dielectric plate and the hollow metal sheet is 106 mm; the length of the first rectangular hollow is 52 mm, and the first rectangular hollow a width of 44 mm; a length of the second rectangular hollow is 32 mm, a width of the second rectangular hollow is 6 mm; a length of the third rectangular hollow is 6.7 mm, and a width of the third rectangular hollow is 10.5 mm;
  • the fourth rectangular hollow has a length of 2.6 mm, the fourth rectangular hollow has a width of 17.7 mm, the fifth rectangular hollow has a length of 9.6 mm, and the fifth rectangular hollow has a width of 1.5 mm.
  • the distance between the lower longitudinal edge of the stepped hollow gap and the lower longitudinal edge of the upper surface of the dielectric plate is 6.3 mm.
  • the length of the first rectangular metal piece of the axe monopole structure is 2.5 mm, the width of the first rectangular metal piece is 36 mm; the second rectangle of the axe monopole structure The length of the metal piece is 1 mm, the width of the second rectangular metal piece is 11 mm; the length of the upper base of the equilateral trapezoidal metal piece of the axe-shaped monopole structure is 2.5 mm, and the equilateral trapezoidal metal piece The length of the lower base is 16 mm, and the height of the equilateral trapezoidal metal piece is 6.75 mm.
  • a vertical distance between a center point of the equilateral trapezoidal metal piece of the axe-shaped monopole structure and a lower bottom side of the first rectangular metal piece of the axe-shaped monopole structure is 9.8 mm.
  • the axe-type dual-mode monopole antenna of the present invention has an axe-type monopole structure, because of the coupling area of the axe-shaped cross-section of the axe-shaped monopole structure and the radio frequency ground. Small, and the axe The axe-shaped transverse portion of the pole structure is effectively isolated from the strip-shaped vertical portion of the axe-shaped monopole structure, and two resonant modes are independently tuned.
  • FIG. 1 is a schematic structural view of a preferred embodiment of an axe-type dual-mode monopole antenna according to the present invention
  • FIG. 2 is a schematic structural view of a preferred embodiment of a hollow metal sheet of an axe-type dual-mode monopole antenna of the present invention
  • FIG. 3 is a schematic structural view of a preferred embodiment of an axe-shaped monopole structure of an axe-type dual-mode monopole antenna according to the present invention
  • FIG. 4 is a schematic diagram showing simulation results of reflection coefficients of an axe-type dual-mode monopole antenna of the present invention
  • FIG. 5 is a schematic diagram showing simulation results of reflection coefficients of LP3 parameters of the axe-type dual-mode monopole antenna of the present invention.
  • FIG. 6 is a schematic diagram showing simulation results of reflection coefficients of the S1 parameter of the axe-type dual-mode monopole antenna of the present invention.
  • FIG. 1 is a schematic plan view showing a preferred embodiment of an axe-type dual-mode monopole antenna according to the present invention.
  • the axe-shaped dual-mode monopole antenna 1 includes a dielectric plate 10, a hollow metal sheet 20, an axe monopole structure 50, and an SMA (Sub-Miniature-A) head 60.
  • the axe-shaped dual-mode monopole antenna 1 has a rectangular parallelepiped structure (only a schematic plan view is shown in FIG. 1), and the hollow metal piece 20 and the axe-shaped monopole structure 50 are both copper.
  • the dielectric plate 10 is a dielectric substrate of FR4, and the dielectric plate 10 has a thickness of 0.8 mm and a dielectric constant of preferably 4.4.
  • the SMA head 60 is a coaxial connector.
  • the hollow metal sheet 20 is attached to the upper surface of the dielectric plate 10, and the axe monopole structure 50 is attached to the lower surface of the dielectric plate 10.
  • the hollow metal sheet 20 is etched with a step.
  • the stepped hollowing slit 21 is composed of a first rectangular hollow 211, a second rectangular hollow 212, a third rectangular hollow 213, a fourth rectangular hollow 214 and a fifth moment
  • the shape hollow 215 is connected in sequence;
  • the axe monopole structure 50 includes a strip-shaped vertical portion 51 and an axe-shaped cross portion 52, and the strip-shaped vertical portion 51 of the axe-shaped monopole structure includes a first rectangular metal to be joined a strip 511 and a second rectangular metal piece 512, the strip-shaped vertical portion 51 of the axe-shaped monopole structure is perpendicular to a long side of a lower surface of the dielectric sheet 10;
  • the portion 52 includes an equilateral trapezoidal metal piece 521 symmetrically disposed on both sides of the strip-shaped vertical portion 51 of the axe-shaped monopole structure, the width of the axe-shaped monopole structure 50 with respect to the lower surface of the
  • the vertical portion 51 of the axe monopole structure extends to the top long side of the lower surface of the dielectric plate 10, and the SMA head 60 is disposed on the axe monopole
  • a first feed port is formed on the dielectric plate 10 at a position where the vertical portion 51 of the structure intersects the top long side of the lower surface of the dielectric plate 10.
  • the axe-type dual-mode monopole antenna of the present invention has an axe-type monopole structure, and the coupling area of the axe-shaped cross-section of the axe-shaped monopole structure and the radio frequency ground is small, and the axe The axe-shaped transverse portion of the monopole structure can be effectively isolated from the strip-shaped vertical portion of the axe-shaped monopole structure, and two resonant modes are independently tuned.
  • FIG. 2 is a schematic structural view of a preferred embodiment of a hollow metal sheet of an axe-type dual-mode monopole antenna.
  • the wide sides of the first rectangular hollow 211, the second rectangular hollow 212, the third rectangular hollow 2 13 , the fourth rectangular hollow 214 and the fifth rectangular hollow 215 and the upper surface of the dielectric plate 10 The broad side central axis is parallel; the first rectangular hollow 211, the second rectangular hollow 212, the third rectangular hollow 213, the fourth rectangular hollow 214, and the fifth rectangular hollow 214 are symmetrical about the broad side central axis.
  • the length W of the dielectric plate 10 and the hollow metal sheet 20 is 74 mm, the width L of the dielectric plate 10 and the hollow metal sheet 20 is 106 mm; and the length W0 of the first rectangular hollow 211 is 52 mm.
  • the width L0 of the first rectangular hollow 211 is 44 mm; the length W1 of the second rectangular hollow 212 is 32 mm, the width L1 of the second rectangular hollow 212 is 6 mm; and the length W2 of the third rectangular hollow 213 is 6.7.
  • FIG. 3 is a schematic structural view of a preferred embodiment of an axe-shaped monopole structure of an axe-shaped dual-mode monopole antenna.
  • the length WP2 of the first rectangular metal piece 511 of the axe-shaped monopole structure 50 is 2.5 mm
  • the width LP2 of the first rectangular metal piece 511 is 36 mm
  • the second rectangle of the axe-shaped monopole structure 50 The length WP3 of the metal piece 512 is 1 mm
  • the width of the second rectangular metal piece 512 is 11 mm
  • the length of the upper base S2 of the equilateral trapezoidal metal piece 521 of the axe-shaped monopole structure 50 is 2.5 mm.
  • the lower base length S1 of the equilateral trapezoidal metal piece is 16 mm
  • the height d3 of the equilateral trapezoidal metal piece is 6.75 mm.
  • the vertical distance between the center point of the equilateral trapezoidal metal piece 521 of the axe-shaped monopole structure 50 and the lower bottom side of the first rectangular metal piece 511 of the axe-shaped monopole structure 50 is 9.8 mm.
  • FIG. 4 is a schematic diagram showing simulation results of reflection coefficients of an axe-type dual-mode monopole antenna of the present invention.
  • FIG. 5 is a schematic diagram showing simulation results of reflection coefficients of the axe-type dual-mode monopole antenna LP3 parameters of the present invention.
  • independent tuning of fpl can be achieved by adjusting the width LP3 of the second rectangular metal piece 512 of the axe monopole structure 50.
  • FIG. 6 is a schematic diagram showing simulation results of reflection coefficients of the axe-type dual-mode monopole antenna S1 of the present invention.
  • FIG. 6 by adjusting the lower base length S1 of the equilateral trapezoidal metal piece 521 of the axicon monopole structure 50, independent tuning of f P 2 can be achieved.
  • the axe-shaped dual-mode monopole antenna of the present invention is provided with an axe-type monopole structure, by providing an axe-type monopole structure, due to the axe-shaped cross-section of the axe-shaped monopole structure and the radio frequency ground
  • the coupling area is small, and the axe-shaped lateral portion of the axe-shaped monopole structure and the strip-shaped vertical portion of the axe-shaped monopole structure can be effectively isolated, and two resonance modes are independently tuned.
  • the axe-type dual-mode monopole antenna of the present invention has an axe-type monopole structure, because of the coupling area of the axe-shaped cross-section of the axe-shaped monopole structure and the radio frequency ground. Small, and the axe-shaped lateral portion of the axe-shaped monopole structure and the strip-shaped vertical portion of the axe-shaped monopole structure can be effectively isolated, thereby realizing

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Abstract

La présente invention concerne une antenne unipolaire bimode en forme de hache, comprenant une carte diélectrique, une plaque métallique évidée, une structure unipolaire en forme de hache et un connecteur SMA (version sous-miniature A), la plaque métallique évidée étant fixée sur la surface supérieure de la carte diélectrique, et la structure unipolaire en forme de hache étant fixée à la surface inférieure de la carte diélectrique. Des fentes creusées en forme d'escalier sont gravées sur la plaque métallique évidée. La structure unipolaire en forme de hache comprend une partie verticale en forme de barre et une partie horizontale en forme de hache, la partie verticale de la structure unipolaire en forme de hache étant perpendiculaire au bord long de la surface inférieure de la carte diélectrique. La partie horizontale en forme de hache de la structure unipolaire en forme de hache comprend des plaques métalliques trapézoïdales isocèles qui sont situées symétriquement des deux côtés de la partie verticale en forme de barre de la structure unipolaire en forme de hache. Le connecteur SMA est situé sur la carte diélectrique, la structure unipolaire en forme de hache étant électriquement connectée à l'extrémité d'alimentation du connecteur SMA, et la plaque métallique évidée étant électriquement connectée à l'extrémité de mise à la terre du connecteur SMA. L'antenne unipolaire bimode en forme de hache selon la présente invention présente deux modes de résonance qui peuvent être réglés indépendamment.
PCT/CN2017/101986 2017-04-07 2017-09-16 Antenne unipolaire bimode en forme de hache WO2018184356A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710225852.4 2017-04-07
CN201710225852.4A CN107093792A (zh) 2017-04-07 2017-04-07 斧形双模单极子天线

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Publication Number Publication Date
WO2018184356A1 true WO2018184356A1 (fr) 2018-10-11

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WO (1) WO2018184356A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206673106U (zh) * 2017-04-07 2017-11-24 深圳市景程信息科技有限公司 小型化可重构的斧形双模单极子天线
CN206673105U (zh) * 2017-04-07 2017-11-24 深圳市景程信息科技有限公司 小型化斧形双模单极子天线
CN107093792A (zh) * 2017-04-07 2017-08-25 深圳市景程信息科技有限公司 斧形双模单极子天线
CN107181051A (zh) * 2017-04-07 2017-09-19 深圳市景程信息科技有限公司 可重构的高隔离度双极化宽频天线

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6774853B2 (en) * 2002-11-07 2004-08-10 Accton Technology Corporation Dual-band planar monopole antenna with a U-shaped slot
CN1835282A (zh) * 2006-03-08 2006-09-20 南京邮电大学 小型超宽带渐变单极缝隙天线
CN105356042A (zh) * 2015-11-23 2016-02-24 西安电子科技大学 小型双陷波超宽带天线
CN107093792A (zh) * 2017-04-07 2017-08-25 深圳市景程信息科技有限公司 斧形双模单极子天线
CN107093799A (zh) * 2017-04-07 2017-08-25 深圳市景程信息科技有限公司 可重构的斧形双模单极子天线

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CN101697380A (zh) * 2009-10-09 2010-04-21 清华大学 用于无线局域网移动终端的双极化内置槽天线
CN202662788U (zh) * 2012-06-01 2013-01-09 中国计量学院 阶梯形单带阻超宽带微带天线
CN103296424B (zh) * 2013-05-07 2015-06-17 清华大学 一种基于单片双面印刷电路板的宽带双极化天线
CN103779654B (zh) * 2014-01-14 2016-02-03 西安电子科技大学 一种采用自相似馈电技术的双频宽带领结天线

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6774853B2 (en) * 2002-11-07 2004-08-10 Accton Technology Corporation Dual-band planar monopole antenna with a U-shaped slot
CN1835282A (zh) * 2006-03-08 2006-09-20 南京邮电大学 小型超宽带渐变单极缝隙天线
CN105356042A (zh) * 2015-11-23 2016-02-24 西安电子科技大学 小型双陷波超宽带天线
CN107093792A (zh) * 2017-04-07 2017-08-25 深圳市景程信息科技有限公司 斧形双模单极子天线
CN107093799A (zh) * 2017-04-07 2017-08-25 深圳市景程信息科技有限公司 可重构的斧形双模单极子天线

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