WO2018184357A1 - 可重构的斧形双模单极子天线 - Google Patents

可重构的斧形双模单极子天线 Download PDF

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Publication number
WO2018184357A1
WO2018184357A1 PCT/CN2017/101987 CN2017101987W WO2018184357A1 WO 2018184357 A1 WO2018184357 A1 WO 2018184357A1 CN 2017101987 W CN2017101987 W CN 2017101987W WO 2018184357 A1 WO2018184357 A1 WO 2018184357A1
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WO
WIPO (PCT)
Prior art keywords
axe
shaped
hollow
rectangular
monopole
Prior art date
Application number
PCT/CN2017/101987
Other languages
English (en)
French (fr)
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 WO2018184357A1 publication Critical patent/WO2018184357A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/328—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground
    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10—Resonant antennas
    • 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 a reconfigurable 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 and the resonance mode is not reconfigurable.
  • the main object of the present invention is to provide a reconfigurable axe-shaped dual-mode monopole antenna, which aims to solve the problem that the existing monopole antenna cannot independently harmonize two resonance modes, and the resonance mode is not available.
  • Technical issues of refactoring are mainly responsible for solving the problem that the existing monopole antenna cannot independently harmonize two resonance modes, and the resonance mode is not available.
  • the present invention provides a reconfigurable axe-shaped dual-mode monopole antenna comprising a dielectric plate, a hollow metal sheet, an axe monopole structure and an SMA head, the hollow metal sheet Laying to the upper surface of the dielectric plate, the axe-shaped 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 gap is a first rectangular hollow, a second rectangular hollow, a third rectangular hollow, a fourth rectangular hollow, and a fifth rectangular hollow are sequentially connected;
  • the axe monopole structure includes a strip vertical portion and an axe horizontal portion, the axe
  • the strip-shaped vertical portion of the monopole 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 the long side of the lower surface of the dielectric plate.
  • 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 reconfigurable axe-shaped dual-mode monopole antenna of the present invention has an axe-shaped monopole structure, due to the axe-shaped cross-section of the axe-shaped monopole structure and the radio frequency
  • the coupling area of the ground 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 resonant modes are independently tuned;
  • the reconfigurable axe-shaped dual-mode monopole antenna further includes a pair of metal pads on the upper end of the tip of the equilateral trapezoidal metal piece of the axe monopole structure, the metal pad is provided with a via hole, and Through the via grounding, the metal pad is further connected to the tip end of the equilateral trapezoidal metal piece of the axe monopole structure by a lumped capacitance to realize the reconfigurable axe dual mode monopole
  • FIG. 1 is a schematic structural view of a preferred embodiment of a reconfigurable axe-shaped 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 a reconfigurable axe-shaped dual-mode monopole antenna of the present invention
  • FIG. 3 is a schematic view showing a configuration of a preferred embodiment of an axe-shaped monopole structure of a reconfigurable axe-shaped dual-mode monopole antenna according to the present invention
  • FIG. 4 is a schematic diagram showing simulation results of reflection coefficients of a reconfigurable axe-shaped dual-mode monopole antenna according to the present invention.
  • FIG. 5 is a schematic diagram showing the simulation results of the reflection coefficient of the reconfigurable axe-shaped dual-mode monopole antenna LP3 parameter of the present invention.
  • FIG. 6 is a schematic diagram showing the simulation results of the reflection coefficient of the reconfigurable axe-shaped dual-mode monopole antenna S1 parameter of the present invention.
  • FIG. 7 is a schematic diagram showing simulation results of reflection coefficients of a total capacitance parameter of a reconfigurable axe-shaped dual-mode monopole antenna according to the present invention.
  • FIG. 1 is a plan view showing a planar structure of a preferred embodiment of a reconfigurable axe-shaped dual-mode monopole antenna of the present invention.
  • the reconfigurable 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 reconfigurable axe-shaped dual-mode monopole antenna 1 is 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 all 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 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 piece 511 and a second rectangular metal piece 512 that are connected,
  • the strip-shaped vertical portion 51 of the axe-shaped monopole structure is perpendicular to the long side of the lower surface of the dielectric plate 10;
  • the axe-shaped lateral portion 52 of the axe-shaped monopole structure includes a symmetrically disposed on the axe-shaped single An equilateral trapezoidal metal piece 521 on both sides of the strip-shaped vertical portion 51 of the pole structure, the axe-shaped monopole structure 50 being symmetrical about a broad side central axis of
  • the reconfigurable axe-shaped dual-mode monopole antenna 1 further includes a pair of metal pads 70 disposed on an upper portion of the tip end of the equilateral trapezoidal metal piece 521 of the axe-shaped monopole structure 50, the metal welding A via 71 is disposed on the disk 70.
  • the metal pad 70 is grounded through the via 71.
  • the metal pad 70 also passes through the lumped capacitor 80 and an equilateral trapezoidal metal of the axe monopole structure 50.
  • the tips of the sheets 521 are connected.
  • the vertical portion 51 of the axe-shaped 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-shaped single The vertical part 51 of the pole structure On the dielectric plate 10 at the intersection of the top long sides of the lower surface of the dielectric plate 10, a first feed port is formed.
  • the reconfigurable axe-shaped dual-mode monopole antenna of the present invention is provided with an axe-type monopole structure, because 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-shaped transverse 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 resonant modes are independently tuned; the same reconfigurable axe-shaped double
  • the mode monopole antenna further includes a pair of metal pads on an upper portion of the tip end of the equilateral trapezoidal metal piece of the axe monopole structure, the metal pad is provided with a via hole, and is grounded through the via hole.
  • the metal pad is further connected to the tip end of the equilateral trapezoidal metal piece of the axe monopole structure by a lumped capacitance, thereby realizing a high frequency resonance mode of the reconfigurable axe-shaped dual mode monopole antenna Can be refactored.
  • FIG. 2 is a schematic structural view of a preferred embodiment of a hollow metal sheet of a reconfigurable axe-shaped dual-mode monopole antenna.
  • the wide sides of 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 215 are opposite to 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.
  • the width L2 of the third rectangular hollow 213 is 10.5 mm; the length W3 of the fourth rectangular hollow 214 is 2.6 mm, and the width L3 of the fourth rectangular hollow 214 is 17.7 mm; The length W4 of the 215 is 9.6 mm, and the width L4 of the fifth rectangular hollow 215 is 1.5 mm.
  • the distance dx between the lower long side of the stepped hollow slit 21 and the lower longitudinal side of the upper surface of the dielectric plate 10 is 6.3 mm.
  • FIG. 3 is a schematic structural view of a preferred embodiment of an axe-shaped monopole structure of a reconfigurable 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, and 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 length of the lower base of the equilateral trapezoidal metal piece S16 is 16 mm, and 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 a reconfigurable axe-shaped dual-mode monopole antenna of the present invention.
  • the reconfigurable axe-shaped dual-mode monopole antenna 1 has a reflection coefficient below -10 dB, and the operating frequency can cover from 1.15 GHz to 2.99 GHz, realizing two resonance modes of fpl and fp2. .
  • FIG. 5 is a schematic diagram showing simulation results of reflection coefficients of the reconfigurable axe-shaped dual-mode monopole antenna LP3 parameters of the present invention.
  • FIG. 6 is a schematic diagram showing simulation results of reflection coefficients of the reconfigurable axe-shaped dual-mode monopole antenna S1 of the present invention. As can be seen from 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.
  • FIG. 7 is a schematic diagram showing simulation results of reflection coefficients of a total capacitance parameter of a reconfigurable axe-shaped dual-mode monopole antenna according to the present invention.
  • the frequency reconfigurability of f P 2 can be achieved, and as the lumped capacitor 80 increases, the resonant frequency fp2 continuously decreases.
  • the reconfigurable axe-shaped dual-mode monopole antenna of the present invention is provided with an axe-type monopole structure, because 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-shaped transverse 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 resonant modes are independently tuned; the same reconfigurable axe-shaped double
  • the mode monopole antenna further includes a pair of metal pads on an upper portion of the tip end of the equilateral trapezoidal metal piece of the axe monopole structure, the metal pad is provided with a via hole, and is grounded through the via hole.
  • the metal pad is further connected to the tip end of the equilateral trapezoidal metal piece of the axe monopole structure by a lumped capacitance, thereby realizing a high frequency resonance mode of the reconfigurable axe-shaped dual mode monopole antenna Can be refactored.
  • the reconfigurable axe-shaped dual-mode monopole antenna of the present invention is provided with an axe monopole structure due to the axe-shaped cross section of the axe monopole structure and the radio frequency
  • the coupling area of the ground is small, and the institute The axe-shaped transverse 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 resonant modes are independently tuned; the same reconfigurable axe-shaped dual-mode single
  • the pole antenna is further provided with a pair of metal pads on an upper portion of the tip end of the equilateral trapezoidal metal piece of the axe monopole structure, the metal pad is provided with a via hole, and is grounded through the via hole, The metal pad is also connected to the tip end of the equilateral trapezoidal metal piece of the axe monopole structure by a lumped capacitance, so that the high frequency resonance mode of the reconfigurable axe-shaped dual mode

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Abstract

本发明公开一种可重构的斧形双模单极子天线，包括介质板、镂空金属片、斧形单极子结构和SMA头，所述镂空金属片贴合于所述介质板的上表面，所述斧形单极子结构贴合于所述介质板的下表面；所述镂空金属片上刻蚀有阶梯型镂空缝隙；所述斧形单极子结构的斧形横部包括等边梯形金属片；所述SMA头设置于所述介质板上，所述斧形单极子结构与SMA头的馈电端电连接，所述镂空金属片与SMA头的接地端电连接，所述等边梯形金属片的尖端上部设置有金属焊盘，所述金属焊盘通过过孔接地，所述金属焊盘通过集总电容与等边梯形金属片的尖端连接。本发明可重构的斧形双模单极子天线的两个谐振模式可以实现独立调谐，并且谐振模式可重构。

Description

说明书 发明名称：可重构的斧形双模单极子天线 技术领域
[0001] 本发明涉及通信技术领域， 尤其涉及一种可重构的斧形双模单极子天线。
背景技术
[0002] 为了便于通信终端和射频识别系统的大规模推广应用， 终端或系统的经济成本 和体积大小都是至关重要的考虑因素， 作为其中重要部件的天线， 在保证较高 性能指标的前提下， 必须都需要多频化、 宽带化、 小型化。 现有技术的单极子 天线具有两个谐振模式， 一个谐振模式由单极子天线的纵向结构产生， 另一个 谐振模式由单极子天线的横向结构产生。 目前单极子天线设计可以通过合理调 整其横纵尺寸， 来有效调节天线频率带宽。 但是， 目前的单极子天线基本上很 难将两个谐振模式有效分幵， 存在不能同吋对两个谐振模式进行独立调谐， 并 且谐振模式不可重构的技术问题。
技术问题
[0003] 本发明的主要目的提供一种可重构的斧形双模单极子天线， 旨在解决现有的单 极子天线不能同吋对两个谐振模式进行独立调谐， 并且谐振模式不可重构的技 术问题。
问题的解决方案
技术解决方案
[0004] 为实现上述目的， 本发明提供了一种可重构的斧形双模单极子天线， 包括介质 板、 镂空金属片、 斧形单极子结构和 SMA头， 所述镂空金属片贴合于所述介质 板的上表面， 所述斧形单极子结构贴合于所述介质板的下表面； 所述镂空金属 片上刻蚀有阶梯型镂空缝隙， 所述阶梯型镂空缝隙由第一矩形镂空、 第二矩形 镂空、 第三矩形镂空、 第四矩形镂空和第五矩形镂空依次连接构成； 所述斧形 单极子结构包括条形竖部和斧形横部， 所述斧形单极子结构的条形竖部包括连 接的第一矩形金属片和第二矩形金属片， 所述斧形单极子结构的条形竖部与所 述介质板的下表面的长边垂直； 所述斧形单极子结构的斧形横部包括对称设置 于所述斧形单极子结构的条形竖部两侧的等边梯形金属片， 所述斧形单极子结 构关于所述介质板的下表面的宽边中轴线对称； 所述 SMA头设置于所述介质板 上， 所述斧形单极子结构与 SMA头的馈电端电连接， 所述镂空金属片与 SMA头 的接地端电连接； 所述可重构的斧形双模单极子天线还包括一对设置于所述斧 形单极子结构的等边梯形金属片的尖端上部的金属焊盘， 所述金属焊盘上设置 有过孔， 所述金属焊盘通过所述过孔接地， 所述金属焊盘还通过集总电容与所 述斧形单极子结构的等边梯形金属片的尖端连接。
[0005] 优选的， 所述第一矩形镂空、 第二矩形镂空、 第三矩形镂空、 第四矩形镂空和 第五矩形镂空的宽边与所述介质板的上表面的宽边中轴线平行； 所述第一矩形 镂空、 第二矩形镂空、 第三矩形镂空、 第四矩形镂空和第五矩形镂空关于所述 宽边中轴线对称。
[0006] 优选的， 所述介质板为 FR4的介质基板， 所述介质板的厚度为 0.8mm且介电常 数为 4.4。
[0007] 优选的， 所述介质板和镂空金属片的长度为 74mm， 所述介质板和镂空金属片 的宽度为 106mm; 所述第一矩形镂空的长度为 52mm， 所述第一矩形镂空的宽度 为 44mm; 所述第二矩形镂空的长度为 32mm， 所述第二矩形镂空的宽度为 6mm ； 所述第三矩形镂空的长度为 6.7mm， 所述第三矩形镂空的宽度为 10.5mm; 所 述第四矩形镂空的长度为 2.6mm， 所述第四矩形镂空的宽度为 17.7mm; 所述第 五矩形镂空的长度为 9.6mm， 所述第五矩形镂空的宽度为 1.5mm。
[0008] 优选的， 阶梯型镂空缝隙的下部长边与所述介质板的上表面的下部长边的距离 为 6.3mm。
[0009] 优选的， 所述斧形单极子结构的第一矩形金属片的长度为 2.5mm， 所述第一矩 形金属片的宽度为 36mm; 所述斧形单极子结构的第二矩形金属片的长度为 lmm ， 所述第二矩形金属片的宽度为 11mm; 所述斧形单极子结构的等边梯形金属片 的上底边长度为 2.5mm， 所述等边梯形金属片的下底边长度为 16mm， 所述等边 梯形金属片的高度为 6.75mm。
[0010] 优选的， 所述斧形单极子结构的等边梯形金属片的中心点与所述斧形单极子结 构的第一矩形金属片的下底边的垂直距离为 9.8mm。 发明的有益效果
有益效果
[0011] 相较于现有技术， 本发明可重构的斧形双模单极子天线通过设置斧型单极子结 构， 由于其所述斧形单极子结构的斧形横部与射频地的耦合面积小， 并且该所 述斧形单极子结构的斧形横部与所述斧形单极子结构的条形竖部能够有效隔离 ， 实现了两个谐振模式独立调谐； 同吋可重构的斧形双模单极子天线还设置一 对金属焊盘于所述斧形单极子结构的等边梯形金属片的尖端上部， 所述金属焊 盘上设置有过孔， 并通过所述过孔接地， 所述金属焊盘还通过集总电容与所述 斧形单极子结构的等边梯形金属片的尖端连接， 实现了所述可重构的斧形双模 单极子天线的高频谐振模式可以重构。
对附图的简要说明
附图说明
[0012] 图 1是本发明可重构的斧形双模单极子天线优选实施例的结构示意图；
[0013] 图 2是本发明可重构的斧形双模单极子天线的镂空金属片优选实施例的结构示 意图；
[0014] 图 3是本发明可重构的斧形双模单极子天线的斧形单极子结构优选实施例的结 构示意图；
[0015] 图 4是本发明可重构的斧形双模单极子天线的反射系数仿真结果示意图；
[0016] 图 5是本发明可重构的斧形双模单极子天线 LP3参数的反射系数仿真结果示意图
[0017] 图 6是本发明可重构的斧形双模单极子天线 S1参数的反射系数仿真结果示意图
[0018] 图 7是本发明可重构的斧形双模单极子天线集总电容参数的反射系数仿真结果 示意图。
[0019] 本发明目的实现、 功能特点及优点将结合实施例， 将在具体实施方式部分一并 参照附图做进一步说明。
实施该发明的最佳实施例 本发明的最佳实施方式
[0020] 为更进一步阐述本发明为达成上述目的所采取的技术手段及功效， 以下结合附 图及较佳实施例， 对本发明的具体实施方式、 结构、 特征及其功效进行详细说 明。 应当理解， 此处所描述的具体实施例仅仅用以解释本发明， 并不用于限定 本发明。
[0021] 参照图 1所示， 图 1是本发明可重构的斧形双模单极子天线优选实施例的平面结 构示意图。 在本实施例中， 可重构的斧形双模单极子天线 1， 包括介质板 10、 镂 空金属片 20、 斧形单极子结构 50和 SMA (Sub-Miniature-A) 头 60。 所述可重构 的斧形双模单极子天线 1为长方体结构 （图 1中仅示出了平面示意图） ， 所述镂 空金属片 20及斧形单极子结构 50均为铜质。 所述介质板 10为 FR4的介质基板， 所 述介质板 10厚度为 0.8mm且介电常数优选为 4.4。 所述 SMA头 60为同轴连接器。 所述镂空金属片 20贴合于所述介质板 10的上表面， 所述斧形单极子结构 50贴合 于所述介质板 10的下表面； 所述镂空金属片 20上刻蚀有阶梯型镂空缝隙 21， 所 述阶梯型镂空缝隙 21由第一矩形镂空 211、 第二矩形镂空 212、 第三矩形镂空 213 、 第四矩形镂空 214和第五矩形镂空 215依次连接构成； 所述斧形单极子结构 50 包括条形竖部 51和斧形横部 52， 所述斧形单极子结构的条形竖部 51包括连接的 第一矩形金属片 511和第二矩形金属片 512， 所述斧形单极子结构的条形竖部 51 与所述介质板 10的下表面的长边垂直； 所述斧形单极子结构的斧形横部 52包括 对称设置于所述斧形单极子结构的条形竖部 51两侧的等边梯形金属片 521， 所述 斧形单极子结构 50关于所述介质板 10的下表面的宽边中轴线对称； 所述 SMA头 6 0设置于所述介质板 10上， 所述斧形单极子结构 50与 SMA头 60的馈电端电连接， 所述镂空金属片 20与 SMA头 60的接地端电连接。 所述可重构的斧形双模单极子 天线 1还包括一对设置于所述斧形单极子结构 50的等边梯形金属片 521的尖端上 部的金属焊盘 70， 所述金属焊盘 70上设置有过孔 71， 所述金属焊盘 70通过所述 过孔 71接地， 所述金属焊盘 70还通过集总电容 80与所述斧形单极子结构 50的等 边梯形金属片 521的尖端连接。
[0022] 作为本发明的优选实施例， 斧所述形单极子结构的竖部 51延伸至所述介质板 10 的下表面的顶部长边， 所述 SMA头 60设置于所述斧形单极子结构的竖部 51与所 述介质板 10的下表面的顶部长边相交位置的介质板 10上， 形成第一馈电端口。
[0023] 本发明可重构的斧形双模单极子天线通过设置斧型单极子结构， 由于其所述斧 形单极子结构的斧形横部与射频地的耦合面积小， 并且该所述斧形单极子结构 的斧形横部与所述斧形单极子结构的条形竖部能够有效隔离， 实现了两个谐振 模式独立调谐； 同吋可重构的斧形双模单极子天线还设置一对金属焊盘于所述 斧形单极子结构的等边梯形金属片的尖端上部， 所述金属焊盘上设置有过孔， 并通过所述过孔接地， 所述金属焊盘还通过集总电容与所述斧形单极子结构的 等边梯形金属片的尖端连接， 实现了所述可重构的斧形双模单极子天线的高频 谐振模式可以重构。
[0024] 参照图 2所示， 图 2是可重构的斧形双模单极子天线的镂空金属片优选实施例的 结构示意图。 在本实施例中， 所述第一矩形镂空 211、 第二矩形镂空 212、 第三 矩形镂空 213、 第四矩形镂空 214和第五矩形镂空 215的宽边与所述介质板 10的上 表面的宽边中轴线平行； 所述第一矩形镂空 211、 第二矩形镂空 212、 第三矩形 镂空 213、 第四矩形镂空 214和第五矩形镂空 214关于所述宽边中轴线对称。
[0025] 所述介质板 10和镂空金属片 20的长度 W为 74mm， 所述介质板 10和镂空金属片 2 0的宽度 L为 106mm; 所述第一矩形镂空 211的长度 W0为 52mm， 所述第一矩形镂 空 211的宽度 L0为 44mm; 所述第二矩形镂空 212的长度 W1为 32mm， 所述第二矩 形镂空 212的宽度 L1为 6mm; 所述第三矩形镂空 213的长度 W2为 6.7mm， 所述第 三矩形镂空 213的宽度 L2为 10.5mm; 所述第四矩形镂空 214的长度 W3为 2.6mm， 所述第四矩形镂空 214的宽度 L3为 17.7mm; 所述第五矩形镂空 215的长度 W4为 9. 6mm, 所述第五矩形镂空 215的宽度 L4为 1.5mm。 所述阶梯型镂空缝隙 21的下部 长边与所述介质板 10的上表面的下部长边的距离 dx为 6.3mm。
[0026] 参照图 3所示， 图 3是可重构的斧形双模单极子天线的斧形单极子结构优选实施 例的结构示意图。 所述斧形单极子结构 50的第一矩形金属片 511的长度 WP2为 2.5 mm, 所述第一矩形金属片 511的宽度 LP2为 36mm; 所述斧形单极子结构 50的第 二矩形金属片 512的长度 WP3为 lmm， 所述第二矩形金属片 512的宽度为 LP3为 11 mm; 所述斧形单极子结构 50的等边梯形金属片 521的上底 S2长度为 2.5mm， 所述 等边梯形金属片的下底边长度 S1为 16mm， 所述等边梯形金属片的高度 d3为 6.75 mm。 所述斧形单极子结构 50的等边梯形金属片 521的中心点与所述斧形单极子 结构 50的第一矩形金属片 511的下底边的垂直距离为 9.8mm。
[0027] 参考图 4所示， 图 4是本发明可重构的斧形双模单极子天线的反射系数仿真结果 示意图。 从图 4可以看出， 所述可重构的斧形双模单极子天线 1的反射系数在 -10d B以下， 工作频率可以覆盖 1.15GHz到 2.99GHz, 实现了 fpl、 fp2两个谐振模式。 参考图 5所示， 图 5是本发明可重构的斧形双模单极子天线 LP3参数的反射系数仿 真结果示意图。 从图 5中可以看出， 通过调节斧形单极子结构 50的第二矩形金属 片 512的宽度 LP3， 可以实现对 fpl的独立调谐。 参考图 6所示， 图 6是本发明可重 构的斧形双模单极子天线 S1参数的反射系数仿真结果示意图。 从图 6中可以看出 ， 通过调节所述斧形单极子结构 50的等边梯形金属片 521的下底长度 Sl， 可以实 现对 fP2的独立调谐。
[0028] 参考图 7所示， 图 7是本发明可重构的斧形双模单极子天线集总电容参数的反射 系数仿真结果示意图。 从图 7中可以看出， 通过调节所述集总电容 80的大小， 可 以实现对 fP2的频率可重构， 随着集总电容 80的增大， 谐振频率 fp2不断降低。
[0029] 本发明可重构的斧形双模单极子天线通过设置斧型单极子结构， 由于其所述斧 形单极子结构的斧形横部与射频地的耦合面积小， 并且该所述斧形单极子结构 的斧形横部与所述斧形单极子结构的条形竖部能够有效隔离， 实现了两个谐振 模式独立调谐； 同吋可重构的斧形双模单极子天线还设置一对金属焊盘于所述 斧形单极子结构的等边梯形金属片的尖端上部， 所述金属焊盘上设置有过孔， 并通过所述过孔接地， 所述金属焊盘还通过集总电容与所述斧形单极子结构的 等边梯形金属片的尖端连接， 实现了所述可重构的斧形双模单极子天线的高频 谐振模式可以重构。
[0030] 以上仅为本发明的优选实施例， 并非因此限制本发明的专利范围， 凡是利用本 发明说明书及附图内容所作的等效结构或等效功能变换， 或直接或间接运用在 其他相关的技术领域， 均同理包括在本发明的专利保护范围内。
工业实用性
[0031] 相较于现有技术， 本发明可重构的斧形双模单极子天线通过设置斧型单极子结 构， 由于其所述斧形单极子结构的斧形横部与射频地的耦合面积小， 并且该所 述斧形单极子结构的斧形横部与所述斧形单极子结构的条形竖部能够有效隔离 ， 实现了两个谐振模式独立调谐； 同吋可重构的斧形双模单极子天线还设置一 对金属焊盘于所述斧形单极子结构的等边梯形金属片的尖端上部， 所述金属焊 盘上设置有过孔， 并通过所述过孔接地， 所述金属焊盘还通过集总电容与所述 斧形单极子结构的等边梯形金属片的尖端连接， 实现了所述可重构的斧形双模 单极子天线的高频谐振模式可以重构。

Claims

权利要求书
[权利要求 1] 一种可重构的斧形双模单极子天线， 包括介质板、 镂空金属片、 斧形 单极子结构和 SMA头， 其特征在于： 所述镂空金属片贴合于所述介 质板的上表面， 所述斧形单极子结构贴合于所述介质板的下表面； 所 述镂空金属片上刻蚀有阶梯型镂空缝隙， 所述阶梯型镂空缝隙由第一 矩形镂空、 第二矩形镂空、 第三矩形镂空、 第四矩形镂空和第五矩形 镂空依次连接构成； 所述斧形单极子结构包括条形竖部和斧形横部， 所述斧形单极子结构的条形竖部包括连接的第一矩形金属片和第二矩 形金属片， 所述斧形单极子结构的条形竖部与所述介质板的下表面的 长边垂直； 所述斧形单极子结构的斧形横部包括对称设置于所述斧形 单极子结构的条形竖部两侧的等边梯形金属片， 所述斧形单极子结构 关于所述介质板的下表面的宽边中轴线对称； 所述 SMA头设置于所 述介质板上， 所述斧形单极子结构与 SMA头的馈电端电连接， 所述 镂空金属片与 SMA头的接地端电连接； 所述可重构的斧形双模单极 子天线还包括一对设置于所述斧形单极子结构的等边梯形金属片的尖 端上部的金属焊盘， 所述金属焊盘上设置有过孔， 所述金属焊盘通过 所述过孔接地， 所述金属焊盘还通过集总电容与所述斧形单极子结构 的等边梯形金属片的尖端连接。
[权利要求 2] 如权利要求 1所述的可重构的斧形双模单极子天线， 其特征在于， 所 述第一矩形镂空、 第二矩形镂空、 第三矩形镂空、 第四矩形镂空和第 五矩形镂空的宽边与所述介质板的上表面的宽边中轴线平行； 所述第 一矩形镂空、 第二矩形镂空、 第三矩形镂空、 第四矩形镂空和第五矩 形镂空关于所述宽边中轴线对称。
[权利要求 3] 如权利要求 1所述的可重构的斧形双模单极子天线， 其特征在于， 所 述介质板为 FR4的介质基板， 所述介质板的厚度为 0.8mm且介电常数 为 4.4。
[权利要求 4] 如权利要求 1-3任一项所述的可重构的斧形双模单极子天线， 其特征 在于， 所述介质板和镂空金属片的长度为 74mm， 所述介质板和镂空 金属片的宽度为 106mm; 所述第一矩形镂空的长度为 52mm， 所述第 一矩形镂空的宽度为 44mm; 所述第二矩形镂空的长度为 32mm， 所 述第二矩形镂空的宽度为 6mm; 所述第三矩形镂空的长度为 6.7mm， 所述第三矩形镂空的宽度为 10.5mm; 所述第四矩形镂空的长度为 2.6 mm, 所述第四矩形镂空的宽度为 17.7mm; 所述第五矩形镂空的长度 为 9.6mm， 所述第五矩形镂空的宽度为 1.5mm。
[权利要求 5] 如权利要求 4所述的可重构的斧形双模单极子天线， 其特征在于， 所 述阶梯型镂空缝隙的下部长边与所述介质板的上表面的下部长边的距 离为 6.3mm。
[权利要求 6] 如权利要求 5所述的可重构的斧形双模单极子天线， 其特征在于， 所 述斧形单极子结构的第一矩形金属片的长度为 2.5mm， 所述第一矩形 金属片的宽度为 36mm; 所述斧形单极子结构的第二矩形金属片的长 度为 lmm， 所述第二矩形金属片的宽度为 11mm; 所述斧形单极子结 构的等边梯形金属片的上底边长度为 2.5mm， 所述等边梯形金属片的 下底边长度为 16mm， 所述等边梯形金属片的高度为 6.75mm。
[权利要求 7] 如权利要求 6所述的可重构的斧形双模单极子天线， 其特征在于， 所 述斧形单极子结构的等边梯形金属片的中心点与所述斧形单极子结构 的第一矩形金属片的下底边的垂直距离为 9.8mm。
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN107093799B (zh) * 2017-04-07 2019-08-30 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
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
CN109149095B (zh) * 2018-08-29 2020-07-17 合肥工业大学 一种基于柔性材料的频率和方向图可重构的天线

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101667680A (zh) * 2009-08-31 2010-03-10 深圳市启汉科技有限公司 一种单级射频天线
WO2013097645A1 (zh) * 2011-12-31 2013-07-04 华为终端有限公司 天线及其制造方法、印刷电路板、通信终端
CN106450671A (zh) * 2015-08-12 2017-02-22 青岛大学 一种宽频带缝隙型手机天线
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
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088133A (zh) * 2010-12-13 2011-06-08 上海大学 金属吊顶环境下室内覆盖平面天线
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101667680A (zh) * 2009-08-31 2010-03-10 深圳市启汉科技有限公司 一种单级射频天线
WO2013097645A1 (zh) * 2011-12-31 2013-07-04 华为终端有限公司 天线及其制造方法、印刷电路板、通信终端
CN106450671A (zh) * 2015-08-12 2017-02-22 青岛大学 一种宽频带缝隙型手机天线
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
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

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