WO2018184368A1 - Small-size axe-shaped dual-mode monopole antenna - Google Patents

Small-size axe-shaped dual-mode monopole antenna Download PDF

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Publication number
WO2018184368A1
WO2018184368A1 PCT/CN2017/106221 CN2017106221W WO2018184368A1 WO 2018184368 A1 WO2018184368 A1 WO 2018184368A1 CN 2017106221 W CN2017106221 W CN 2017106221W WO 2018184368 A1 WO2018184368 A1 WO 2018184368A1
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WO
WIPO (PCT)
Prior art keywords
axe
shaped
hollow
rectangular
rectangular hollow
Prior art date
Application number
PCT/CN2017/106221
Other languages
French (fr)
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 WO2018184368A1 publication Critical patent/WO2018184368A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—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 communication technologies, and in particular, to a miniaturized 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 a miniaturized 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 a miniaturized 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.
  • 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 hollow gap is a 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 shape
  • 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 a long side of a lower surface of the dielectric plate;
  • the axe-shaped transverse portion of the axe-shaped monopole structure includes an equilateral trapezoidal metal piece symmetrically disposed on two sides of the strip-shaped vertical portion of the axe-shaped monopole structure, the axe-shaped monopole a structure symmetrical about a broad side central axis
  • 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 miniaturized axe-type dual-mode monopole antenna of the present invention is provided with 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 upper portion of the vertical portion of the axe-shaped monopole structure is fed at the edge of the miniaturized axe-type dual-mode monopole antenna to realize miniaturization of the antenna.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a miniaturized 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 the miniaturized 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 the miniaturized axe-type dual-mode monopole antenna of the present invention
  • FIG. 4 is a schematic diagram showing a simulation result of a reflection coefficient of a miniaturized axe-shaped dual-mode monopole antenna of the present invention.
  • FIG. 5 is a reflection coefficient of a LP3 parameter of the miniaturized axe-shaped dual-mode monopole antenna of the present invention; Schematic diagram of simulation results;
  • FIG. 6 is a schematic diagram showing the simulation results of the reflection coefficient of the S1 parameter of the miniaturized axe-type dual-mode monopole antenna of the present invention.
  • FIG. 1 is a schematic plan view showing a preferred embodiment of a miniaturized axe-type dual-mode monopole antenna of the present invention.
  • the miniaturized axe dual mode monopole antenna 1 includes a dielectric plate 10, ⁇ Empty metal sheet 20, axe monopole structure 50 and SMA (Sub-Miniature-A) head 60.
  • the miniaturized 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 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 wide-side central axis of the lower surface of the di
  • the hollow metal piece 20 is electrically connected to the ground terminal head 60 of SMA.
  • 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 vertical portion 51 of the axe monopole structure and the medium On the dielectric plate 10 at the intersection of the top long sides of the lower surface of the board 10, a first feed port is formed.
  • the miniaturized axe-type 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 upper portion of the vertical portion of the axe-shaped monopole structure is fed to the edge of the miniaturized axe-type dual-mode monopole antenna to realize miniaturization of the antenna.
  • FIG. 2 is a schematic structural view of a preferred embodiment of a hollow metal sheet of a miniaturized axe-type 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 WO 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 longitudinal edge of the stepped hollow slit 21 and the lower longitudinal edge 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 miniaturized axe-type 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, 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 miniaturized axe-type dual-mode monopole antenna of the present invention.
  • the miniaturized axe-type dual-mode monopole antenna 1 has a reflection coefficient below -10 dB, and the operating frequency can cover 1.15 GHz to 2.99 GHz, realizing two resonance modes of fpl and fp2.
  • FIG. 5 is a schematic diagram showing the simulation results of the reflection coefficient of the LP3 parameter of the miniaturized axe-type dual-mode monopole antenna of the present invention.
  • FIG. 6 is a schematic diagram showing simulation results of the reflection coefficient of the S1 parameter of the miniaturized axe-type dual-mode monopole antenna 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 miniaturized axe-shaped dual-mode monopole antenna of the present invention is provided with an axe monopole structure, by providing an axe monopole structure, due to the axe-shaped transverse portion of the axe-shaped monopole structure and The coupling area of the radio frequency 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 Effectively isolated, independent tuning of the two resonant modes is achieved.
  • the upper portion of the vertical portion of the axe-shaped monopole structure is fed at the edge of the miniaturized axe-type dual-mode monopole antenna to realize miniaturization of the antenna.
  • the miniaturized axe-type dual-mode monopole antenna of the present invention is provided with an axe-type monopole structure, due to the axe-shaped lateral portion and the radio frequency ground of the axe-shaped monopole structure
  • 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 present invention utilizes the upper portion of the vertical portion of the axe-shaped monopole structure to feed the edge of the miniaturized axe-type dual-mode monopole antenna to achieve miniaturization of the antenna.

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Abstract

Disclosed in the present utility model is a small-size axe-shaped dual-mode monopole antenna, comprising a hollowed-out metal plate which is attached onto the upper surface of a dielectric board, and an axe-shaped monopole structure which is attached onto the lower surface of the dielectric board; stepped hollowed-out gaps are etched on the hollowed-out metal plate; a bar-shaped vertical part of the axe-shaped monopole structure is perpendicular to the long edge of the lower surface of the dielectric board; the axe-shaped horizontal part of the axe-shaped monopole structure comprises isosceles trapezoid metal plates which are provided symmetrically at both sides of the bar-shaped vertical part of the axe-shaped monopole structure; a SubMiniature version A (SMA) connector is provided on the dielectric board where the vertical part of the axe-shaped monopole structure and the top long edge of the lower surface of the dielectric board intersect so as to form a first feed port. The axe-shaped monopole structure is electrically connected to the feed end of the SMA connector, and the hollowed-out metal plate is electrically connected to the grounding end of the SMA connector. The small-size axe-shaped dual-mode monopole antenna in the present utility model has two resonance modes that may be tuned independently.

Description

小型化斧形双模单极子天线 技术领域  Miniaturized axe dual mode monopole antenna
[0001] 本实用新型涉及通信技术领域， 尤其涉及一种小型化斧形双模单极子天线。  [0001] The present invention relates to the field of communication technologies, and in particular, to a miniaturized axe-shaped dual-mode monopole antenna.
背景技术  Background technique
[0002] 为了实现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的技 术问题。  [0002] In order to realize the large-scale popularization and application of communication terminals and radio frequency identification systems, the economic cost and size of terminals or systems are important considerations. As an important component of the antenna, the premise of ensuring higher performance indicators Underneath, multi-frequency, broadband, and miniaturization must be required. 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. At present, the monopole antenna design can effectively adjust the antenna frequency bandwidth by reasonably adjusting its horizontal and vertical dimensions. However, 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.
技术问题  technical problem
[0003] 本实用新型的主要目的提供一种小型化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的技术问题。  [0003] The main object of the present invention is to provide a miniaturized 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.
问题的解决方案  Problem solution
技术解决方案  Technical solution
[0004] 为实现上述目的， 本实用新型提供了一种小型化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； 所述斧形单极子结构的竖部 延伸至所述介质板的下表面的顶部长边， 所述 SMA头设置于所述斧形单极子结 构的竖部与所述介质板的下表面的顶部长边相交位置的介质板上， 形成第一馈 电端口； 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。 [0004] In order to achieve the above object, the present invention provides a miniaturized 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. And 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 hollow gap is a 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 shape 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 a long side of a lower surface of the dielectric plate; The axe-shaped transverse portion of the axe-shaped monopole structure includes an equilateral trapezoidal metal piece symmetrically disposed on two sides of the strip-shaped vertical portion of the axe-shaped monopole structure, the axe-shaped monopole a structure symmetrical about a broad side central axis of a lower surface of the dielectric plate; a vertical portion of the axe monopole structure extending to a top long side of a lower surface of the dielectric plate, the SMA head being disposed on the axe a first feeding port is formed on the dielectric plate at a position where the vertical portion of the monopole structure intersects the top long side of the lower surface of the dielectric plate; the SMA head is disposed on the dielectric plate, the axe The monopole structure is electrically connected to the feed end of the SMA head, and the hollow metal piece is electrically connected to the ground end of the SMA head.
[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。 [0005] Preferably, 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.
[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。  [0006] Preferably, 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.
[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。  [0007] Preferably, 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.
[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。  [0008] Preferably, 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.
[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。  [0009] Preferably, 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.
[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。  [0010] Preferably, 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.
发明的有益效果  Advantageous effects of the invention
有益效果 [0011] 相较于现有技术， 本实用新型小型化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。 同吋本实用新型利用所述斧形单极子结构 的竖部的上部在所述小型化斧形双模单极子天线的边缘馈电， 实现天线的小型 化。 Beneficial effect [0011] Compared with the prior art, the miniaturized axe-type dual-mode monopole antenna of the present invention is provided with 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. In the present invention, the upper portion of the vertical portion of the axe-shaped monopole structure is fed at the edge of the miniaturized axe-type dual-mode monopole antenna to realize miniaturization of the antenna.
对附图的简要说明  Brief description of the drawing
附图说明  DRAWINGS
[0012] 图 1是本实用新型小型化斧形双模单极子天线优选实施例的结构示意图；  1 is a schematic structural view of a preferred embodiment of a miniaturized axe-type dual-mode monopole antenna according to the present invention;
[0013] 图 2是本实用新型小型化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； 2 is a schematic structural view of a preferred embodiment of a hollow metal sheet of the miniaturized axe-type dual-mode monopole antenna of the present invention;
[0014] 图 3是本实用新型小型化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；  3 is a schematic structural view of a preferred embodiment of an axe-shaped monopole structure of the miniaturized axe-type dual-mode monopole antenna of the present invention;
[0015] 图 4是本实用新型小型化斧形双模单极子天线的反射系数仿真结果示意图； [0016] 图 5是本实用新型小型化斧形双模单极子天线 LP3参数的反射系数仿真结果示意 图；  4 is a schematic diagram showing a simulation result of a reflection coefficient of a miniaturized axe-shaped dual-mode monopole antenna of the present invention; [0016] FIG. 5 is a reflection coefficient of a LP3 parameter of the miniaturized axe-shaped dual-mode monopole antenna of the present invention; Schematic diagram of simulation results;
[0017] 图 6是本实用新型小型化斧形双模单极子天线 S1参数的反射系数仿真结果示意 图。  6 is a schematic diagram showing the simulation results of the reflection coefficient of the S1 parameter of the miniaturized axe-type dual-mode monopole antenna of the present invention.
[0018] 本实用新型目的实现、 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。  [0018] The objects, features, and advantages of the invention will be described in conjunction with the embodiments.
实施该发明的最佳实施例  BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[0019] 为更进一步阐述本实用新型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， 对本实用新型的具体实施方式、 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实用新型， 并不用于限定本实用新型。 [0019] To further illustrate the technical means and functions of the present invention in order to achieve the above objects, the specific embodiments, structures, features and functions of the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
[0020] 参照图 1所示， 图 1是本实用新型小型化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， 小型化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。 所述小型化 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 60 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。 所述斧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。 [0020] Referring to FIG. 1, FIG. 1 is a schematic plan view showing a preferred embodiment of a miniaturized axe-type dual-mode monopole antenna of the present invention. In this embodiment, the miniaturized axe dual mode monopole antenna 1 includes a dielectric plate 10, 镂 Empty metal sheet 20, axe monopole structure 50 and SMA (Sub-Miniature-A) head 60. The miniaturized 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. a hollowing slot 21, wherein the stepped hollow slot 21 is formed by sequentially connecting a first rectangular hollow 211, a second rectangular hollow 212, a third rectangular hollow 213, a fourth rectangular hollow 214, and a fifth rectangular hollow 215; 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 wide-side central axis of the lower surface of the dielectric plate 10; the SMA head 60 is disposed On the dielectric plate 10, the axe monopole structure 50 is electrically connected to the feeding end of the SMA head 60. The hollow metal piece 20 is electrically connected to the ground terminal head 60 of SMA. 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 vertical portion 51 of the axe monopole structure and the medium On the dielectric plate 10 at the intersection of the top long sides of the lower surface of the board 10, a first feed port is formed.
[0021] 本实用新型小型化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。 同吋本实用新型利用所述斧形单极子结构的竖部的上部在所 述小型化斧形双模单极子天线的边缘馈电， 实现天线的小型化。  [0021] The miniaturized axe-type 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. In the present invention, the upper portion of the vertical portion of the axe-shaped monopole structure is fed to the edge of the miniaturized axe-type dual-mode monopole antenna to realize miniaturization of the antenna.
[0022] 参照图 2所示， 图 2是小型化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。 [0023] 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 WO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。 [0022] Referring to FIG. 2, FIG. 2 is a schematic structural view of a preferred embodiment of a hollow metal sheet of a miniaturized axe-type dual-mode monopole antenna. In this embodiment, 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. [0023] 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 WO 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. Mm, 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 longitudinal edge of the stepped hollow slit 21 and the lower longitudinal edge of the upper surface of the dielectric plate 10 is 6.3 mm.
[0024] 参照图 3所示， 图 3是小型化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 2.5m m， 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 11m m; 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。  Referring to FIG. 3, FIG. 3 is a schematic structural view of a preferred embodiment of an axe-shaped monopole structure of a miniaturized axe-type 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, and 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 lower base length S1 of the equilateral trapezoidal metal piece 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.
[0025] 参考图 4所示， 图 4是本实用新型小型化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， 所述小型化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是本实用新型小型化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是本实用新 型小型化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。 [0025] Referring to FIG. 4, FIG. 4 is a schematic diagram showing simulation results of reflection coefficients of a miniaturized axe-type dual-mode monopole antenna of the present invention. As can be seen from FIG. 4, the miniaturized axe-type dual-mode monopole antenna 1 has a reflection coefficient below -10 dB, and the operating frequency can cover 1.15 GHz to 2.99 GHz, realizing two resonance modes of fpl and fp2. Referring to FIG. 5, FIG. 5 is a schematic diagram showing the simulation results of the reflection coefficient of the LP3 parameter of the miniaturized axe-type dual-mode monopole antenna of the present invention. As can be seen in Figure 5, 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. Referring to FIG. 6, FIG. 6 is a schematic diagram showing simulation results of the reflection coefficient of the S1 parameter of the miniaturized axe-type dual-mode monopole antenna 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.
[0026] 本实用新型小型化斧形双模单极子天线通过设置斧型单极子结构， 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。 同吋本实用新型利用所述斧形单 极子结构的竖部的上部在所述小型化斧形双模单极子天线的边缘馈电， 实现天 线的小型化。 [0026] The miniaturized axe-shaped dual-mode monopole antenna of the present invention is provided with an axe monopole structure, by providing an axe monopole structure, due to the axe-shaped transverse portion of the axe-shaped monopole structure and The coupling area of the radio frequency 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 Effectively isolated, independent tuning of the two resonant modes is achieved. In the present invention, the upper portion of the vertical portion of the axe-shaped monopole structure is fed at the edge of the miniaturized axe-type dual-mode monopole antenna to realize miniaturization of the antenna.
[0027]  [0027]
[0028] 以上仅为本实用新型的优选实施例， 并非因此限制本实用新型的专利范围， 凡 是利用本实用新型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， 均同理包括在本实用新型的专利保护范围 内。  The above is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention, and the equivalent structure or equivalent function transformation made by the specification and the drawings of the present invention, or directly or indirectly In other related technical fields, the same is included in the scope of patent protection of the present invention.
工业实用性  Industrial applicability
[0029] 相较于现有技术， 本实用新型小型化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。 同吋本实用新型利用所述斧形单极子结构 的竖部的上部在所述小型化斧形双模单极子天线的边缘馈电， 实现天线的小型 化。  [0029] Compared with the prior art, the miniaturized axe-type dual-mode monopole antenna of the present invention is provided with an axe-type monopole structure, due to the axe-shaped lateral portion and the radio frequency ground of the axe-shaped monopole structure 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. Also, the present invention utilizes the upper portion of the vertical portion of the axe-shaped monopole structure to feed the edge of the miniaturized axe-type dual-mode monopole antenna to achieve miniaturization of the antenna.

Claims

权利要求书 Claim
[权利要求 1] 一种小型化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； 所述斧形单极子结构的竖 部延伸至所述介质板的下表面的顶部长边， 所述 SMA头设置于所述 斧形单极子结构的竖部与所述介质板的下表面的顶部长边相交位置的 介质板上， 形成第一馈电端口； 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 S MA头的接地端电连接。  [Claim 1] A miniaturized axe-type dual-mode monopole antenna comprising a dielectric plate, a hollow metal sheet, an axe monopole structure, and an SMA head, wherein: the hollow metal sheet is attached to the 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 hollowed-out 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 are sequentially connected; the axe monopole structure includes a strip vertical portion and an axe horizontal portion, and the axe monopole structure The strip-shaped vertical portion 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 cross-section of the monopole structure includes an equilateral trapezoidal metal piece symmetrically disposed on both sides of the strip-shaped vertical portion of the axe-shaped monopole structure, the axe-shaped monopole structure being about the lower side of the dielectric plate The central axis of the broad side of the surface is symmetrical; a vertical portion of the axe monopole structure extends to a top long side of a lower surface of the dielectric plate, the SMA head being disposed on a top portion of the axe monopole structure and a top portion of a lower surface of the dielectric plate a first feeding port is formed on the dielectric plate at the intersection of the long sides; the SMA head is disposed on the dielectric plate, and the axe monopole structure is electrically connected to the feeding end of the SMA head, the hollow metal The chip is electrically connected to the ground of the S MA head.
[权利要求 2] 如权利要求 1所述的小型化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。  [Claim 2] The miniaturized axe-type dual-mode monopole antenna according to claim 1, wherein the first rectangular hollow, the second rectangular hollow, the third rectangular hollow, the fourth rectangular hollow, and the a broad side of the five rectangular cutouts parallel to a central axis of the broad side of the upper surface of the dielectric panel; the first rectangular hollow, the second rectangular hollow, the third rectangular hollow, the fourth rectangular hollow, and the fifth rectangular hollow The broad side center axis is symmetrical.
[权利要求 3] 如权利要求 1所述的小型化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。  [Claim 3] The miniaturized axe-type dual-mode monopole antenna according to claim 1, wherein the dielectric plate is a dielectric substrate of FR4, and the dielectric plate has a thickness of 0.8 mm and a dielectric constant It is 4.4.
[权利要求 4] 如权利要求 1-3任一项所述的小型化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 2.6m m， 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。 [Claim 4] The miniaturized axe-type dual-mode monopole antenna according to any one of claims 1 to 3, wherein the dielectric plate and the hollow metal piece have a length of 74 mm, and the dielectric plate and The width of the hollow metal sheet is 106 mm; the length of the first rectangular hollow is 52 mm, the first The width of the rectangular hollow is 44 mm; the length of the second rectangular hollow is 32 mm, the width of the second rectangular hollow is 6 mm; the length of the third rectangular hollow is 6.7 mm, and the width of the third rectangular hollow is 10.5mm; the length of the fourth rectangular hollow is 2.6mm, the width of the fourth rectangular hollow is 17.7mm; the length of the fifth rectangular hollow is 9.6mm, and the width of the fifth rectangular hollow is 1.5mm .
[权利要求 5] 如权利要求 4所述的小型化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。 [Claim 5] The miniaturized axe-type dual-mode monopole antenna according to claim 4, wherein a lower longitudinal side of the stepped hollow gap and a lower longitudinal side of an upper surface of the dielectric plate The distance is 6.3mm.
[权利要求 6] 如权利要求 5所述的小型化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。  [Claim 6] The miniaturized axe-type dual-mode monopole antenna according to claim 5, wherein the first rectangular metal piece of the axe-shaped monopole has a length of 2.5 mm, the a rectangular metal piece having a width of 36 mm; a second rectangular metal piece of the axe-shaped monopole structure having a length of 1 mm, and a second rectangular metal piece having a width of 11 mm; the axe-shaped monopole structure, etc. The length of the upper base of the trapezoidal metal piece is 2.5 mm, the length of the lower base of the equilateral trapezoidal metal piece is 16 mm, and the height of the equilateral trapezoidal metal piece is 6.75 mm.
[权利要求 7] 如权利要求 6所述的小型化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。  [Claim 7] The miniaturized axe-type dual-mode monopole antenna according to claim 6, wherein a center point of the equilateral trapezoidal metal piece of the axe-shaped monopole structure and the axe-shaped single The vertical distance of the lower base of the first rectangular metal piece of the pole structure is 9.8 mm.
PCT/CN2017/106221 2017-04-07 2017-10-14 Small-size axe-shaped dual-mode monopole antenna WO2018184368A1 (en)

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