WO2020135146A1 - Structure d'antenne, et terminal de communication sans fil - Google Patents

Structure d'antenne, et terminal de communication sans fil Download PDF

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Publication number
WO2020135146A1
WO2020135146A1 PCT/CN2019/125887 CN2019125887W WO2020135146A1 WO 2020135146 A1 WO2020135146 A1 WO 2020135146A1 CN 2019125887 W CN2019125887 W CN 2019125887W WO 2020135146 A1 WO2020135146 A1 WO 2020135146A1
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WO
WIPO (PCT)
Prior art keywords
resonance
antenna
antenna radiator
antenna structure
resonance frequency
Prior art date
Application number
PCT/CN2019/125887
Other languages
English (en)
Chinese (zh)
Inventor
简宪静
王义金
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2020135146A1 publication Critical patent/WO2020135146A1/fr

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    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • 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
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
    • 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
    • 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
    • H01Q5/335—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 at the feed, e.g. for impedance matching
    • 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
    • H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to an antenna structure and a wireless communication terminal.
  • an embodiment of the present disclosure provides an antenna structure, including: a first antenna radiator, a second antenna radiator, a tuning circuit, and a signal source;
  • the antenna structure is used to generate a first resonance, a second resonance, a third resonance, and a fourth resonance at the same time.
  • an embodiment of the present disclosure also provides a wireless communication terminal, including the above antenna structure.
  • FIG. 1 is a structural schematic diagram of an antenna structure provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of simulation results provided by an embodiment of the present disclosure.
  • the first antenna radiator 1 and the second antenna radiator 2 are metal conductive materials, which may be common FPC, PDS, and LDS materials.
  • the first antenna radiator 1 and the second antenna radiator 2 may also be part of a metal middle frame or a metal back cover.
  • the feeding point 21 is an access point of the signal source 4.
  • the gap is located between the first antenna radiator 1 and the second antenna radiator 2.
  • the gap may be air, or may be filled with a non-conductive plastic material.
  • the area, the width of the gap and the dielectric constant of the non-conductive plastic material filled in the gap are related.
  • the first end of the second inductor L2 is connected to the second end of the first inductor L1, and the second end of the second inductor L2 is grounded.
  • the capacitor C can also be replaced by multiple capacitors connected in parallel, and the first inductor L1 or the second inductor L2 can also be replaced by multiple inductors connected in series.
  • the method is not limited.
  • the portion between the feeding point 21 and the first end 22 of the second antenna radiator 2 is connected to the first end 22 to form a higher-order mode of the loop, and the fourth resonance covers n79 Frequency band (4800MHz ⁇ 5000MHz).
  • the first inductance L1 and the second inductance L2 make the impedance of the antenna closer to 50 ohms, which can better match the signal source 4, reduce the reflection loss, and improve the antenna radiation efficiency.
  • the capacitor C is a variable capacitor.
  • FIG. 4 is a schematic structural diagram of an antenna structure provided by an embodiment of the present disclosure.
  • the above-mentioned capacitance C is a variable capacitance.
  • the length between the feeding point 21 and the first end 22 and the capacitance value of the capacitor C are adjusted.
  • the resonance frequency of the first resonance can be at low frequencies (including B17, B20, B5, and B8), which can satisfy the combination of low-frequency and mid-high frequency bands.
  • the total number of antenna slots of the whole machine can also be reduced, saving the structural space occupied by multiple feeder networks (including RF feeders, test sockets, matching networks, and feeder shrapnel structures, etc.), while The reduction in the number of gaps is also beneficial to improve the structural strength and meet the overall product needs of simple appearance, thereby enhancing product competitiveness.
  • multiple feeder networks including RF feeders, test sockets, matching networks, and feeder shrapnel structures, etc.
  • the first resonance is generated by the metal arm between the first end 22 of the second antenna radiator 2 and the feeding point 21 and the capacitor C; the second resonance is generated by The metal arm between the second end 23 of the second antenna radiator 2 and the feed point 21 is excited; the third resonance is generated by the first antenna radiator 1 and the slot excitation; The fourth resonance is generated by the metal arm between the first end 22 of the second antenna radiator 2 and the feed point 21, wherein the first end 22 is the ground of the second antenna radiator 2 The second end 23 is the end of the second antenna radiator 2 close to the slot.
  • the length of the first antenna radiator 1 is 12 mm to 15 mm.
  • the length of the first antenna radiator 1 is 12 mm to 15 mm, and a typical value may be 14 mm.
  • the length of the first antenna radiator 1 may be determined by the resonance frequency band of the third resonance.
  • the length between the feed point 21 and the first end 22 of the second antenna radiator 2 is 5 mm to 10 mm, and a typical value may be 9 mm, which may be determined by the resonance frequency band of the first resonance.
  • the length between the feeding point 21 and the second end 23 of the second antenna radiator 2 is 16 mm, which can be determined by the resonance frequency band of the second resonance.
  • the size of the capacitor C is 0.8pF to 1.5pF.
  • a slot in a wireless communication terminal with a metal mid-frame appearance can be fully utilized to simultaneously excite four resonant modes, and a combination of at least four frequency bands can be realized on the same antenna structure, such as the GPS of the sub6-G wireless communication terminal.
  • the combination of mid-high frequency and 5G N79 antenna improves the resonance effect excited by the antenna. Satisfying the antenna performance requirements while reducing the total number of antennas and slots helps to reduce the structural space occupied by the total feed network (including RF feeders, test sockets, matching networks and feed dome structures, etc.), while reducing the number of slots It is also helpful to improve the structural strength and meet the overall product demand of simple appearance.
  • An embodiment of the present disclosure also provides a wireless communication terminal including the above antenna structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne une structure d'antenne et un terminal de communication sans fil. La structure d'antenne comprend : un premier corps de rayonnement d'antenne, un deuxième corps de rayonnement d'antenne, un circuit d'accord et une source de signal. Le premier corps de rayonnement d'antenne et le deuxième corps de rayonnement d'antenne sont couplés par l'intermédiaire d'une fente. Une extrémité du premier corps de rayonnement d'antenne à l'opposé de la fente est reliée à la masse, et une extrémité du deuxième corps de rayonnement d'antenne à l'opposé de la fente est reliée à la masse. Un point d'alimentation est disposé sur le deuxième corps de rayonnement d'antenne. Une première extrémité du circuit d'accord est connectée au point d'alimentation, une deuxième extrémité du circuit d'accord est connectée à une première extrémité de la source de signal et une deuxième extrémité de la source de signal est reliée à la masse. La structure d'antenne est utilisée pour générer simultanément une première résonance, une deuxième résonance, une troisième résonance et une quatrième résonance.
PCT/CN2019/125887 2018-12-29 2019-12-17 Structure d'antenne, et terminal de communication sans fil WO2020135146A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811636194.9A CN109586036B (zh) 2018-12-29 2018-12-29 一种天线结构及无线通信终端
CN201811636194.9 2018-12-29

Publications (1)

Publication Number Publication Date
WO2020135146A1 true WO2020135146A1 (fr) 2020-07-02

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Application Number Title Priority Date Filing Date
PCT/CN2019/125887 WO2020135146A1 (fr) 2018-12-29 2019-12-17 Structure d'antenne, et terminal de communication sans fil

Country Status (2)

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CN (1) CN109586036B (fr)
WO (1) WO2020135146A1 (fr)

Cited By (1)

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CN111244616A (zh) * 2020-03-27 2020-06-05 维沃移动通信有限公司 一种天线结构及电子设备

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CN109586036B (zh) * 2018-12-29 2021-04-06 维沃移动通信有限公司 一种天线结构及无线通信终端
CN110212303A (zh) * 2019-06-26 2019-09-06 青岛海信移动通信技术股份有限公司 阵列天线和终端
CN112310610A (zh) * 2019-08-02 2021-02-02 青岛海信移动通信技术股份有限公司 一种移动终端
CN110581357B (zh) * 2019-09-29 2024-06-07 南昌黑鲨科技有限公司 移动终端及天线切换方法
CN112751162B (zh) * 2019-10-31 2022-04-22 华为技术有限公司 移动终端
CN112864587B (zh) * 2019-11-12 2023-05-05 深圳市万普拉斯科技有限公司 天线装置及无线通讯设备
CN112909499B (zh) * 2019-11-19 2022-12-13 北京小米移动软件有限公司 天线结构和电子设备
CN112928445B (zh) * 2019-12-06 2023-01-10 北京小米移动软件有限公司 天线结构和电子设备
CN113394550B (zh) * 2020-03-12 2024-06-18 Oppo广东移动通信有限公司 天线组件和电子设备
CN113394545A (zh) * 2020-03-12 2021-09-14 Oppo广东移动通信有限公司 天线组件和电子设备
CN111370855B (zh) * 2020-03-20 2021-07-20 维沃移动通信有限公司 一种天线结构及电子设备
CN113451741B (zh) * 2020-03-26 2023-01-06 华为技术有限公司 一种天线及终端设备
CN113471664A (zh) * 2020-03-30 2021-10-01 北京小米移动软件有限公司 天线结构和电子设备
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CN112467387B (zh) * 2020-11-20 2023-02-28 Oppo广东移动通信有限公司 天线装置及电子设备
CN112542694B (zh) * 2020-12-09 2023-06-09 Oppo广东移动通信有限公司 一种天线组件和电子设备
CN112751171B (zh) * 2020-12-24 2023-10-20 深圳市艾斯龙科技有限公司 一种天线系统及耳机
CN112751174B (zh) * 2020-12-29 2024-01-02 Oppo广东移动通信有限公司 天线组件和电子设备
CN112886224B (zh) * 2021-01-08 2023-08-22 维沃移动通信有限公司 天线结构及终端设备
CN112886228B (zh) * 2021-01-15 2023-04-04 北京字节跳动网络技术有限公司 天线结构和终端背壳
CN113054417A (zh) * 2021-04-20 2021-06-29 北京有竹居网络技术有限公司 天线及终端
CN114069237A (zh) * 2021-11-23 2022-02-18 维沃移动通信有限公司 天线模组及电子设备
CN115224475B (zh) * 2022-08-03 2024-04-16 荣耀终端有限公司 电子设备

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CN111244616B (zh) * 2020-03-27 2022-01-11 维沃移动通信有限公司 一种天线结构及电子设备

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