WO2018228122A1 - Structure d'antenne - Google Patents

Structure d'antenne Download PDF

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Publication number
WO2018228122A1
WO2018228122A1 PCT/CN2018/087083 CN2018087083W WO2018228122A1 WO 2018228122 A1 WO2018228122 A1 WO 2018228122A1 CN 2018087083 W CN2018087083 W CN 2018087083W WO 2018228122 A1 WO2018228122 A1 WO 2018228122A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
support frame
terminal
antenna structure
dielectric filling
Prior art date
Application number
PCT/CN2018/087083
Other languages
English (en)
Chinese (zh)
Inventor
宁舒曼
Original Assignee
西安中兴新软件有限责任公司
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 西安中兴新软件有限责任公司 filed Critical 西安中兴新软件有限责任公司
Publication of WO2018228122A1 publication Critical patent/WO2018228122A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • 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
    • 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
    • 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
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors

Definitions

  • This document relates to, but is not limited to, antenna technology, and more particularly to an antenna structure.
  • the 5G network is a densely distributed base station network with a higher base station distribution density than the previous mobile system network.
  • the base station and the terminal use a 28 GHz millimeter wave band for communication.
  • the antenna system of the base station adopts a phased array antenna system, so that the beam can be cross-polarized in both vertical and horizontal directions to achieve higher user density and increase system user capacity.
  • the 5G terminal has the capability of a self-selected base station, and can select a base station and a channel with a low bit error rate to communicate according to the error rate of the base station.
  • the 5G antenna system relies on array antenna technology, and both the base station and the terminal use a millimeter-wave phased array antenna.
  • the antenna array of the terminal may be an n ⁇ n dot matrix.
  • the size of the antenna array is small, and because the wavelength of the antenna is short, the requirements of the antenna for the surrounding environment and even the weather and other weather conditions are compared. Strict.
  • a module with a radio frequency chip is generally preferred, and since the specific implementation of the antenna is an array antenna in the form of a dot matrix, and the antenna unit 301 in the array is small in size and densely distributed, If each antenna unit 301 in the antenna array is connected to the RF chip through a shielded wire, the manufacturing process can be complicated.
  • Embodiments of the present invention are directed to providing an antenna structure and a terminal for implementing connection between an antenna array and a radio frequency chip.
  • an embodiment of the present invention provides an antenna structure, where the antenna is applied to a terminal, and the antenna structure includes: a support frame, a dielectric filling area, and an antenna array inside the terminal; wherein, the support frame is The dielectric filling area is disposed therein, and the antenna array is disposed in the dielectric filling area, and the antenna array is connected to the printed circuit board PCB main board of the terminal through a feeding point.
  • the support frame inside the terminal is a lightweight metal structural member for supporting and fixing each component of the terminal.
  • the inner side of the frame edge of the support frame is a hollow semi-cylindrical structure, and the thickness of the dielectric filling region is the same as the thickness of the hollow portion inside the frame edge of the support frame, so that the dielectric filled region It can be connected to the inner side of the frame edge of the support frame and closely fits with the support frame.
  • the dielectric filling region is snapped inside the frame edge of the support frame, or the dielectric filling region is connected to the inner edge of the support frame by bonding.
  • the dielectric filling region is connected to the inner side of the frame edge of the support frame corresponding to the top position of the terminal.
  • the antenna array includes 16 antenna elements, and the antenna elements are arranged in a 4 ⁇ 4 square matrix form.
  • the wavelength of the electromagnetic wave that needs to be radiated is the wavelength of the electromagnetic wave that needs to be radiated.
  • the radiation unit is divided into two radiation regions in the form of mirror symmetry, and the two radiation units in each radiation region are mirror-symmetrical; and in each radiation region, the two radiation units are mirror-imaged to each other.
  • the two symmetrical antenna elements are connected by an electrical connection line, and a feed point is disposed at the center of the antenna array, and all the electrical connection lines are connected to the feed point.
  • the support frame is disposed between the terminal touch screen and the PCB main board, and is connected to the PCB main board through the feed point.
  • the embodiment of the present invention further provides a terminal, the terminal comprising: a touch screen, a printed circuit board PCB main board, and an antenna structure according to any one of the first aspects.
  • the embodiment of the invention provides an antenna structure; the dielectric filling area is disposed in the support frame, which can reduce the installation space of the antenna array, and does not affect the support performance of the support frame, and is not affected by the environment of the PCB main board;
  • the connection of the antenna array to the PCB main board of the terminal is realized, and it is not necessary to set corresponding shielding lines for each antenna unit in the antenna array, and then the shielded lines are connected to the RF chip on the PCB main board. , simplifying the production process.
  • FIG. 1 is a schematic structural diagram of an antenna according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a dielectric filling region and a support frame edge according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an antenna array according to an embodiment of the present invention.
  • FIG. 4 is a side view of a dielectric filled region according to an embodiment of the present invention.
  • FIG. 5 is a side view of a terminal assembly according to an embodiment of the present invention.
  • the array antenna structure involved in the embodiment of the present invention may be applied to a terminal, and the antenna structure may include: a support frame 10 inside the terminal, a dielectric filling area 20, and an antenna array 30;
  • the dielectric filling region 20 is disposed in the support frame 10, such as the dielectric filling region 20 disposed on the frame edge of the support frame 10, and the antenna array 30 is disposed in the dielectric filling region 20.
  • the antenna array 30 is connected to the printed circuit board (PCB) of the terminal through the feed point 40.
  • PCB printed circuit board
  • the support frame 10 inside the terminal may be an aluminum alloy material or other lightweight metal structural members for supporting and fixing each component of the terminal.
  • the non-metallic material filled in the dielectric filled region 20 may be the substrate material on which the antenna array 30 is placed, thereby being used for the implementation of the antenna array 30.
  • the dielectric filling region 20 is disposed on the frame edge of the support frame 10, which can reduce the installation space of the antenna array 30, and has no influence on the support performance of the support frame 10, and is not affected by the PCB main board environment;
  • the present embodiment realizes the connection with the PCB main board of the terminal through the feed point 40 of the antenna array 30, it is not necessary to set a corresponding shield line for each antenna unit 301 in the antenna array 30, and then pass these shielded lines.
  • the connection to the RF chip on the PCB board simplifies the manufacturing process.
  • the inner side of the frame edge of the support frame 10 is a hollow semi-cylindrical structure, the thickness h of the dielectric filling region 20 and the frame of the support frame 10 .
  • the thickness H of the hollow portion inside the edge is the same, as shown in FIG. 2, so that the dielectric filling region 20 can be connected to the inner side of the frame edge of the support frame 10, and closely fits with the support frame 10, that is, The inside of the frame edge of the support frame 10 has no gap contact with the dielectric filling region 20.
  • the dielectric filling region 20 can be fixedly attached inside the frame edge of the support frame 10.
  • the dielectric filling region 20 may be snapped inside the frame edge of the support frame 10, or may be connected to the inner side of the edge of the support frame 10 by bonding or other connection.
  • the dielectric filling region 20 may be connected to the inner side of the frame edge of the support frame 10 corresponding to the top position of the terminal.
  • the antenna array 30 includes 16 antenna units 301, and the antenna units 301 can be arranged in a 4 ⁇ 4 square matrix.
  • the length dimension of the array is reduced compared with the linear array, and the square matrix form has the same symmetry as the circular array, and the symmetry can be used to reduce the steering vector.
  • the amount of computation, but the square matrix is simpler than the circular array.
  • the antenna unit 301 in the antenna array 30 can be divided into 4 radiation units in a 2 ⁇ 2 square matrix form, as described by the broken line frame in FIG.
  • the size is Where ⁇ represents the wavelength of the electromagnetic wave that the array antenna needs to radiate.
  • each radiating element is the distance between adjacent antenna elements 301 in the radiating unit.
  • the radiating element can be divided into two radiating regions in a mirror-symmetrical form, as shown by the dashed line frame in FIG. 3, and the two radiating elements in each radiating region are mirror-symmetric. And in each of the radiation regions, the two antenna elements 301 which are mirror-symmetrical to each other in the two radiation units are connected by electrical connection lines, as shown by the black lines in FIG. 3, and in the antenna array 30 The center of the feed point 40 is set and all the electrical connection lines are connected to the feed point 40.
  • the antenna array 30 is connected to the PCB main board through the feeding point 40 and connected.
  • the method may include: connecting through a coaxial cable, connecting through a flexible printed circuit (FPC), or connecting through a metal dome.
  • FPC flexible printed circuit
  • the support frame 10 is generally disposed between the terminal touch screen and the PCB main board in the terminal, through the feeding point. Connected to the PCB motherboard.
  • the embodiment of the invention further provides a terminal, which comprises a touch screen, a PCB main board and an antenna structure described in the foregoing embodiments.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • the embodiment of the invention can reduce the installation space of the antenna array, and does not affect the support performance of the support frame, and is not affected by the environment of the PCB main board; in addition, the connection between the antenna array and the radio frequency chip is realized, and the antenna is not needed.
  • Each antenna unit in the array is provided with a corresponding shielding line, which avoids the connection between the shielding board and the RF chip on the PCB main board, which simplifies the manufacturing process.

Abstract

L'invention concerne une structure d'antenne, la structure étant appliquée à un terminal, et la structure comprenant : un cadre de support, une zone de remplissage diélectrique et un réseau d'antennes, qui sont situés à l'intérieur du terminal; la zone de remplissage diélectrique est disposée à l'intérieur du cadre de support, et le réseau d'antennes est disposé dans la zone de remplissage diélectrique, le réseau d'antennes étant connecté à une carte principale d'une carte de circuit imprimé (PCB) du terminal au moyen d'un point d'alimentation.
PCT/CN2018/087083 2017-06-14 2018-05-16 Structure d'antenne WO2018228122A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710449903.1A CN109088176A (zh) 2017-06-14 2017-06-14 一种天线结构
CN201710449903.1 2017-06-14

Publications (1)

Publication Number Publication Date
WO2018228122A1 true WO2018228122A1 (fr) 2018-12-20

Family

ID=64659648

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/087083 WO2018228122A1 (fr) 2017-06-14 2018-05-16 Structure d'antenne

Country Status (2)

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CN (1) CN109088176A (fr)
WO (1) WO2018228122A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110518369B (zh) * 2019-08-26 2021-01-08 维沃移动通信有限公司 一种移动终端

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CN102104185A (zh) * 2010-12-01 2011-06-22 中兴通讯股份有限公司 多输入多输出阵列天线
CN105529539A (zh) * 2016-01-26 2016-04-27 广东欧珀移动通信有限公司 一种天线阵列及移动终端
CN105932417A (zh) * 2016-06-12 2016-09-07 北京小米移动软件有限公司 终端
US20160352023A1 (en) * 2014-05-20 2016-12-01 International Business Machines Corporation Integration of area efficient antennas for phased array or wafer scale array antenna applications
CN106374226A (zh) * 2016-09-30 2017-02-01 深圳市信维通信股份有限公司 用于第五代无线通信的双频阵列天线

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US20100134376A1 (en) * 2008-12-01 2010-06-03 Toyota Motor Engineering & Manufacturing North America, Inc. Wideband rf 3d transitions
JP2012525065A (ja) * 2009-04-21 2012-10-18 モレックス インコーポレイテド ３次元アンテナ
CN204156082U (zh) * 2014-10-24 2015-02-11 广东欧珀移动通信有限公司 一种移动终端天线结构和移动终端
CN106329095B (zh) * 2015-06-29 2019-11-08 比亚迪股份有限公司 用于手机的天线和具有其的手机
CN204834886U (zh) * 2015-07-02 2015-12-02 安徽四创电子股份有限公司 一种k波段微带阵列天线
CN105932401A (zh) * 2016-06-03 2016-09-07 北京小米移动软件有限公司 终端设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102104185A (zh) * 2010-12-01 2011-06-22 中兴通讯股份有限公司 多输入多输出阵列天线
US20160352023A1 (en) * 2014-05-20 2016-12-01 International Business Machines Corporation Integration of area efficient antennas for phased array or wafer scale array antenna applications
CN105529539A (zh) * 2016-01-26 2016-04-27 广东欧珀移动通信有限公司 一种天线阵列及移动终端
CN105932417A (zh) * 2016-06-12 2016-09-07 北京小米移动软件有限公司 终端
CN106374226A (zh) * 2016-09-30 2017-02-01 深圳市信维通信股份有限公司 用于第五代无线通信的双频阵列天线

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Publication number Publication date
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