WO2018010451A1 - Antenne à double couche pourvue de bras microruban d'isolation - Google Patents

Antenne à double couche pourvue de bras microruban d'isolation Download PDF

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Publication number
WO2018010451A1
WO2018010451A1 PCT/CN2017/077819 CN2017077819W WO2018010451A1 WO 2018010451 A1 WO2018010451 A1 WO 2018010451A1 CN 2017077819 W CN2017077819 W CN 2017077819W WO 2018010451 A1 WO2018010451 A1 WO 2018010451A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
microstrip
pcb board
antenna
pcb
Prior art date
Application number
PCT/CN2017/077819
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English (en)
Chinese (zh)
Inventor
覃梅花
Original Assignee
覃梅花
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 覃梅花 filed Critical 覃梅花
Publication of WO2018010451A1 publication Critical patent/WO2018010451A1/fr

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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
    • 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
    • H01Q9/06—Details

Definitions

  • Double layer antenna with isolated microstrip arm
  • the present invention relates to a dual layer antenna with an isolated microstrip arm.
  • An antenna is a device that converts a high-frequency current into a radio wave and emits it into a space, while collecting radio waves and generating a high-frequency current.
  • the antenna can be regarded as a tuned circuit composed of a capacitor and an inductor; at some frequency points, the capacitive and inductive properties of the tuned circuit cancel each other out, and the circuit exhibits pure resistivity, which is called resonance, and the resonance phenomenon corresponds to
  • the working frequency is the resonant frequency point, and the energy at the antenna resonant frequency point has the strongest radiation characteristics.
  • An antenna structure having a resonance characteristic is referred to as an antenna antenna, and an antenna structure in which a high-frequency current is directly excited is referred to as an active antenna, and vice versa as a passive antenna; in an existing antenna, an antenna is required according to actual needs
  • the input impedance of the antenna needs to be adjusted.
  • the adjusted antenna and the common antenna still cannot meet the requirements of the current communication standard.
  • the communication standard is getting higher and higher.
  • the requirements of the antenna are also getting higher and higher.
  • the gain, directionality and front-to-front ratio of the current antenna need to be broken.
  • the object of the present invention is to overcome the above disadvantages and to provide a double layer antenna with an isolated microstrip arm
  • a double-layer antenna with an isolated microstrip arm including a first PCB board and a second PCB board stacked together; the first PCB board The top surface is provided with a first microstrip unit, the first microstrip unit includes two microstrip sets of the same shape and symmetrically arranged; the second PCB board is provided with a second microstrip unit on the top surface; The board and the second PCB board are stacked, and the second microstrip unit is located on the top surface of the second PCB board and the bottom surface of the first PCB.
  • each microstrip vibration set includes a trapezoidal trapezoidal vibrator arm, a first triangular arm and a second angular arm respectively disposed on two sides of the trapezoidal vibrator arm; a first angular arm, Two-armed arm and trapezoidal vibrator arm Each has a curved connecting arm;
  • each of the first corner arm and the second corner arm is directed to the center of the first PCB board; each of the first corner arm and the second corner arm is disposed at a corner near the center of the first PCB board Empty slot; each of the first and second corner arms is further provided with a hollowing unit, the hollowing unit includes an F-shaped hollowing bar; each first microstrip unit further comprises two rectangular feeding pieces, each microstrip The set of trapezoidal vibrator arms is respectively coupled to the corresponding rectangular feed piece
  • the second microstrip unit includes a circular annular radiating arm, and the annular radiating arm extends inwardly with two oppositely disposed crossbars, each of which extends toward the center to form an arc of an arc Radiation arm.
  • two feeding coupling pieces are respectively provided with a coupling gap.
  • first PCB board and the second PCB board are stacked together, and each crossbar is located in a vertical projection area of the trapezoidal vibrator arm of the corresponding microstrip.
  • each of the first corner arm and the second corner arm are arc angles.
  • first PCB board and the second PCB board are both square, and the L-shaped isolated microstrip arms are disposed at four corners of the first PCB board;
  • two microstrip vibration sets are provided with two T-shaped parasitic oscillator arms;
  • first PCB board and the second PCB board are both square, and the first PCB board and the second PCB board are provided with rectangular parasitic oscillator arms on two sides.
  • the antenna has the characteristics of low profile, wide band, and high gain.
  • the antenna 10 (18 impedance bandwidth 28.4%, single antenna average gain 8.2 dBi.
  • FIG. 1 is a front view of the present invention
  • FIG. 2 is a plan view of a first PCB board; 3 is a plan view of a second PCB board; [0018] FIG.
  • FIG. 4 is a schematic structural view of a microstrip vibration set
  • 5 is a simulation and test graph of the S11 parameters of the antenna embodiment of the present invention.
  • FIG. 6 is a gain simulation test curve diagram and an efficiency test curve diagram of an antenna embodiment of the present invention.
  • FIGS. 1 to 7 illustrate:
  • HI-first PCB board HI 1-ladder oscillator arm; H12-arc connection arm; H13-first angle arm; H14-second angle arm; H15-bar slot; H16-skull unit; H17-shaped hollow rod;
  • H2-second PCB board H21-ring radiating arm; H22-crossbar; H23-arc radiating arm;
  • H3-rectangular feed piece H4-rectangular parasitic oscillator arm; H5-isolated microstrip arm; H6-T-shaped parasitic oscillator arm.
  • a double-layer antenna with an isolated microstrip arm includes a first PCB board HI and a second PCB board H2 stacked together;
  • the top surface of the first PCB board HI is provided with a first microstrip unit, the first microstrip unit includes two micro-band vibration sets of the same shape and symmetrically disposed; and the second surface of the second PCB board H2 is provided with a second a microstrip unit; the first PCB board HI and the second PCB board H2 are stacked, and the second microstrip unit is located on the top surface of the second PCB board H2 and the bottom surface of the first PCB;
  • the double-layer antenna of the arm, each microstrip vibration set includes a trapezoidal trapezoidal vibrator arm HI1, a triangular first arm H13 and a second corner arm H14 respectively disposed on both sides of the trapezoidal vibrator arm HI1
  • An arc connecting arm H12 is connected between the first corner arm H
  • the second microstrip unit includes a circular annular radiating arm H21, and the annular radiating arm H21 extends inwardly with two oppositely disposed crossbars H22. Each of the cross bars H22 extends toward the center to form an arcuate curved radiating arm H23.
  • the first PCB board HI and the second PCB board H2 are stacked, and the first microstrip unit and the second microstrip unit interact with each other to achieve excellent antenna characteristics after avoiding coupling interference as much as possible. Referring to FIG. 5, The simulation and test of the IS11I parameters of the embodiment of the present invention are in good agreement. The 10dB impedance bandwidth of the test is 28.4%, and the stopband IS11I is close to zero. Referring to FIG.
  • the gain curve of the simulation and the test in the embodiment of the present invention is in agreement, the average gain in the passband is 8.2 dBi, and the roll-off edge has a high roll-off degree, and the out-of-band rejection exceeds in a wide stop band. 20dBi, better filtering effect in the range of 0 ⁇ 10GHz.
  • the in-band efficiency of the embodiments of the present invention is as high as 95%. See Figure 7, a normalized pattern at a center frequency of 5 GHz. The maximum radiation direction is directly above the radiator, and the main polarization is greater than the cross polarization by more than 25 dBi.
  • the pattern of the other frequencies in the passband is similar to the 5 GHz pattern, and the pattern in the entire passband is stable.
  • a double-layer antenna with an isolated microstrip arm according to the embodiment has a coupling notch adjacent to each of the two feeding coupling pieces. Can effectively reduce coupling interference.
  • the CB plates H2 are stacked together, and each of the cross bars H22 is located in the vertical projection area of the trapezoidal vibrator arm HI 1 of the corresponding microstrip. Increase gain and reduce off-site interference.
  • a double-layer antenna with an isolated microstrip arm has three arc angles of each of the first corner arm H13 and the second corner arm H14. The current is smoother and the bandwidth is increased.
  • M N + 0.86L.
  • the CB board H2 is square, and the L-shaped isolated microstrip arm H5 is disposed at four corners of the first PCB board HI; the isolation is increased, and the standing wave ratio is reduced.
  • a double-layer antenna with an isolated microstrip arm according to the embodiment, two sets of two microstrip vibrations are arranged
  • T-shaped parasitic oscillator arm H6 a convex arm of a specific T-shaped parasitic oscillator arm H6 is disposed between two adjacent first angular arms H13 of the two microstrip sets, and the convexity of the other T-shaped parasitic oscillator arm H6 The arm is disposed between two adjacent first corner arms H13 of the two microstrip sets, which can effectively reduce the standing wave ratio and improve the antenna characteristics.
  • the CB board H2 is square, and the first PCB board HI and the second PCB board H2 are provided with rectangular parasitic vibrator arms H4 on both sides; the gain is effectively increased.
  • the communication antenna is a non-size required antenna, as long as the above requirements are met in the manner of the holes and holes provided in the bending direction; but if better stable performance is required, refer to FIGS. 2 and 3,
  • the specific size of the antenna can be optimized as follows:
  • the size of the first PCB board and the second PCB board are not limited, but are square; the short bottom side of the trapezoidal vibrator arm is: 3.8 mm,
  • the long base is: 6.8mm; the bottom angle is the arc angle, and the radius is: 0.6mm; the first angle arm and the first angle arm are the same size; the line width of the curved connecting arm is: 0.1mm, the inner radius For: 9mm; arc length is 3.4mm; first angle arm is equilateral triangle, three sides are 6.5mm (not counting arc angle radius), all three angles are arc angle, radius 0.1mm; strip
  • the vacant line width is: 0.5 mm; the center of the strip vacant is at one quarter of the center line of the first angle arm; the length of the strip vacant is: 2.6 mm; the radius of the hollow unit is: 0.6 mm; The center is at one-eighth of the center line of the bottom edge; the line width of the trailing arm of the F-shaped hollow rod is: 0.14 mm, the line width of the two cross arms is: 0.7 mm; the distance between the two cross arms is: 0.2 mm; The size of the feed piece is not limited, but the width and height cannot

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  • Waveguide Aerials (AREA)

Abstract

L'invention concerne une antenne à double couche pourvue de bras de microruban d'isolation, ladite antenne comprenant une première carte de circuit imprimé PCB et une seconde carte de circuit imprimé PCB empilées ensemble. Une surface supérieure de la première carte de circuit imprimé est pourvue d'une première unité microruban, la première unité microruban comprenant deux ensembles de vibration microruban disposés symétriquement ayant la même forme. Une surface supérieure de la seconde carte de circuit imprimé est pourvue d'une seconde unité microruban. Lorsque la première carte de circuit imprimé et la seconde carte de circuit imprimé sont empilées, la seconde unité de ligne microruban est située sur la surface supérieure de la seconde carte de circuit imprimé et sur une surface inférieure de la première carte de circuit imprimé. Par l'intermédiaire d'une excellente conception structurale à double couche et d'un essai continu et d'un ajustement de paramètres, la présente invention permet d'obtenir d'excellentes performances d'antenne et un gain avec de bonnes caractéristiques de rapport avant-arrière. L'antenne présente les caractéristiques d'un profil bas, d'une large bande et d'un gain élevé. La largeur de bande d'impédance de 10 dB de l'antenne est de 28,4 %, et le gain moyen d'une antenne unique est de 8.2 dBi
PCT/CN2017/077819 2016-07-09 2017-03-23 Antenne à double couche pourvue de bras microruban d'isolation WO2018010451A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610536489.3A CN106099344A (zh) 2016-07-09 2016-07-09 带有隔离微带臂的双层天线
CN201610536489.3 2016-07-09

Publications (1)

Publication Number Publication Date
WO2018010451A1 true WO2018010451A1 (fr) 2018-01-18

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Application Number Title Priority Date Filing Date
PCT/CN2017/077819 WO2018010451A1 (fr) 2016-07-09 2017-03-23 Antenne à double couche pourvue de bras microruban d'isolation
PCT/CN2017/092311 WO2018010612A1 (fr) 2016-07-09 2017-07-09 Antenne double couche pourvue de bras microruban d'isolation

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Country Status (2)

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CN (1) CN106099344A (fr)
WO (2) WO2018010451A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106099344A (zh) * 2016-07-09 2016-11-09 覃梅花 带有隔离微带臂的双层天线
CN106654588B (zh) * 2016-11-21 2019-07-02 集美大学 一种三角环形微带天线

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CN106229609A (zh) * 2016-07-21 2016-12-14 黄旭 植入式医疗诊断装置
CN106229608A (zh) * 2016-07-21 2016-12-14 黄旭 一种防腐植入式医疗诊断装置
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Publication number Priority date Publication date Assignee Title
US20150097748A1 (en) * 2013-10-08 2015-04-09 Pc-Tel, Inc. Wide band lte antenna
CN104991173A (zh) * 2015-07-26 2015-10-21 胡洁维 高精度变电站局部放电信号检测系统
CN105356034A (zh) * 2015-11-24 2016-02-24 韩功篑 一种多振子路由器天线
CN106207425A (zh) * 2016-07-09 2016-12-07 覃梅花 一种微带双层天线
CN106025532A (zh) * 2016-07-09 2016-10-12 覃梅花 一种双层天线
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CN106099345A (zh) * 2016-07-09 2016-11-09 覃梅花 一种寄生双层天线
CN106207427A (zh) * 2016-07-09 2016-12-07 覃梅花 一种设有t形寄生振子臂的双层天线
CN106207426A (zh) * 2016-07-10 2016-12-07 李红艳 一种设有蓝牙模块的智能健康监测项链
CN106207428A (zh) * 2016-07-10 2016-12-07 李红艳 可拨打电话的智能健康监测项链
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CN106060974A (zh) * 2016-07-11 2016-10-26 胡洁维 一种智能地质监测基站
CN106225837A (zh) * 2016-07-11 2016-12-14 胡洁维 一种地质监测基站
CN106225839A (zh) * 2016-07-11 2016-12-14 胡洁维 一种可定位地质监测基站
CN106207429A (zh) * 2016-07-21 2016-12-07 黄旭 防腐植入式医疗诊断装置
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Publication number Publication date
CN106099344A (zh) 2016-11-09
WO2018010612A1 (fr) 2018-01-18

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