WO2018010453A1 - Antenne à double couche - Google Patents

Antenne à double couche Download PDF

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Publication number
WO2018010453A1
WO2018010453A1 PCT/CN2017/077892 CN2017077892W WO2018010453A1 WO 2018010453 A1 WO2018010453 A1 WO 2018010453A1 CN 2017077892 W CN2017077892 W CN 2017077892W WO 2018010453 A1 WO2018010453 A1 WO 2018010453A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
pcb board
microstrip
corner
pcb
Prior art date
Application number
PCT/CN2017/077892
Other languages
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 WO2018010453A1 publication Critical patent/WO2018010453A1/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
    • H01Q9/065—Microstrip dipole antennas

Definitions

  • the present invention relates to a dual layer antenna.
  • 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.
  • a double-layer antenna includes a first PCB board and a second PCB board stacked together; and a first micro-top surface of the first PCB board is provided
  • the first microstrip unit includes two microstrip sets of the same shape and symmetrically arranged; the second microplate unit is disposed on the top surface of the second PCB board; the first PCB board and the second PCB board are superimposed ⁇ , 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, An arc-shaped connecting arm is connected between the two-armed arm and the trapezoidal vibrator arm; [0006] one corner of 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
  • FIG. 3 is a plan view of a second PCB board; [0018] 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 includes a first PC B board HI and a second PCB board H2 stacked together; the first PCB board HI The top surface is provided with a first microstrip unit, and the first microstrip unit includes two microstrip sets of the same shape and symmetrically arranged; the second PCB board H2 is provided with a second microstrip unit on the top surface; 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 described in this embodiment includes each microstrip oscillator.
  • a trapezoidal trapezoidal arm HI1 a first triangular arm H13 and a second corner arm H14 respectively disposed on both sides of the trapezoidal arm H11; a first angular arm H13, a second angular arm H14 and a trapezoid
  • An arc connecting arm H12 is connected between the vibrator arms HI 1 ; one corner of each of the first corner arm H13 and the second corner arm H14 is directed to the center of the first PCB board HI; each of the first corner arms H13 and a strip-shaped recess H15 is provided at a corner of the second corner arm H14 near the center of the first PCB board HI; each of the first corner arm H13 and the second corner arm H14 is further provided with a hollow unit H16, a hollow single H16 F comprises a rod-shaped hollow H17; each set further comprises a microstrip resonator with a rectangular sheet feeding H3, H11 each trapezoidal microstrip dipole arm vibration set respectively corresponding to a rectangular sheet
  • the second microstrip unit includes a circular annular radiating arm H21, and the annular radiating arm H2 1 extends inwardly with two oppositely disposed crossbars H22, and each of the crossbars H22 extends toward the center. Curved radiating arm H23.
  • the first PCB board HI and the second PCB board H2 are stacked, the first microstrip unit and the second microstrip unit
  • the elemental interaction ⁇ after the coupling interference is avoided as much as possible, can achieve excellent antenna characteristics.
  • the simulation and test of the IS11I parameters are in accordance with the embodiment of the present invention, and the measured 10 dB impedance bandwidth is 28.4%.
  • the stop band 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 other frequencies in the passband is similar to the 5G Hz pattern, and the pattern in the entire passband is stable.
  • a double-layer antenna according to this embodiment has a coupling gap adjacent to each of the two feeding coupling pieces.
  • the first PCB board HI and the second PCB board H2 are stacked together, and each crossbar H22 is located on the trapezoidal vibrator arm H11 of the corresponding microstrip set. Within the vertical projection area. Increase gain and reduce off-site interference.
  • the three corners of each of the first corner arm H13 and the second corner arm H14 are arc angles.
  • the current is smoother and the bandwidth is increased.
  • the maximum distance between the two curved radiating arms H23 is M
  • the minimum distance is N
  • the length of the strip empty slot H15 is L
  • M N+ 0.86L.
  • the first PCB board HI and the second PCB board H2 are square
  • 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 according to the embodiment, two T-shaped parasitic oscillator arms H6 are disposed between two microstrip vibration centers; a convex arm of a specific T-shaped parasitic oscillator arm H6 is set at two micros Between adjacent two first corner arms H 13 with a set of vibrations, the convex arm of the other T-shaped parasitic arm H6 is disposed between two adjacent first angular arms H13 of the two microstrip sets, Effectively reduce the standing wave ratio and improve the antenna characteristics.
  • the first PCB board HI and the second PCB board H2 are square, and the first PCB board HI and the second PCB board H2 have two sides.
  • a rectangular parasitic arm H4 is provided; 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, comprenant une première carte de circuit imprimé et une seconde carte de circuit imprimé superposées. Une surface supérieure de la première carte de circuit imprimé est dotée d'une première unité microruban, la première unité microruban comprenant deux ensembles de vibration microruban disposés symétriquement et ayant la même forme. Une surface supérieure de la seconde carte de circuit imprimé est dotée d'une seconde unité microruban. Lorsque la première carte de circuit imprimé et la seconde carte de circuit imprimé sont superposées, la seconde unité 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. Grâce à une excellente conception structurelle à double couche et à un essai continu ainsi qu'à 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 a 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/CN2017/077892 2016-07-09 2017-03-23 Antenne à double couche WO2018010453A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610536488.9 2016-07-09
CN201610536488.9A CN106099343A (zh) 2016-07-09 2016-07-09 双层天线

Publications (1)

Publication Number Publication Date
WO2018010453A1 true WO2018010453A1 (fr) 2018-01-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/077892 WO2018010453A1 (fr) 2016-07-09 2017-03-23 Antenne à double couche

Country Status (2)

Country Link
CN (1) CN106099343A (fr)
WO (1) WO2018010453A1 (fr)

Families Citing this family (3)

* 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
CN106099343A (zh) * 2016-07-09 2016-11-09 覃梅花 双层天线
CN115411500B (zh) * 2022-10-31 2023-02-03 南京隼眼电子科技有限公司 天线组件、雷达装置及车辆

Citations (9)

* Cited by examiner, † Cited by third party
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
CN106025532A (zh) * 2016-07-09 2016-10-12 覃梅花 一种双层天线
CN106060974A (zh) * 2016-07-11 2016-10-26 胡洁维 一种智能地质监测基站
CN106099343A (zh) * 2016-07-09 2016-11-09 覃梅花 双层天线
CN106094636A (zh) * 2016-07-11 2016-11-09 谢广鹏 智能化计算机机房管理系统
CN106108861A (zh) * 2016-07-10 2016-11-16 李红艳 能监测体温的智能健康监测项链
CN106207425A (zh) * 2016-07-09 2016-12-07 覃梅花 一种微带双层天线

Patent Citations (9)

* Cited by examiner, † Cited by third party
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
CN106025532A (zh) * 2016-07-09 2016-10-12 覃梅花 一种双层天线
CN106099343A (zh) * 2016-07-09 2016-11-09 覃梅花 双层天线
CN106207425A (zh) * 2016-07-09 2016-12-07 覃梅花 一种微带双层天线
CN106108861A (zh) * 2016-07-10 2016-11-16 李红艳 能监测体温的智能健康监测项链
CN106060974A (zh) * 2016-07-11 2016-10-26 胡洁维 一种智能地质监测基站
CN106094636A (zh) * 2016-07-11 2016-11-09 谢广鹏 智能化计算机机房管理系统

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