WO2021083212A1 - Unité d'antenne et dispositif électronique - Google Patents

Unité d'antenne et dispositif électronique Download PDF

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Publication number
WO2021083212A1
WO2021083212A1 PCT/CN2020/124404 CN2020124404W WO2021083212A1 WO 2021083212 A1 WO2021083212 A1 WO 2021083212A1 CN 2020124404 W CN2020124404 W CN 2020124404W WO 2021083212 A1 WO2021083212 A1 WO 2021083212A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal groove
antenna unit
feeding
groove
arm
Prior art date
Application number
PCT/CN2020/124404
Other languages
English (en)
Chinese (zh)
Inventor
邾志民
马荣杰
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 WO2021083212A1 publication Critical patent/WO2021083212A1/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
    • 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
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • 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
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/35—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points

Definitions

  • the embodiments of the present invention relate to the field of communication technology, and in particular to an antenna unit and electronic equipment.
  • millimeter-wave antennas are gradually being used in various electronic devices to meet the increasing use demands of users.
  • millimeter wave antennas in electronic devices are mainly implemented through antenna in package (AiP) technology.
  • AiP technology can be used to integrate the array antenna 11, the radio frequency integrated circuit (RFIC) 12, and the power management integrated circuit (PMIC) 13 with a working wavelength of millimeter wave.
  • the connector 14 are packaged into a module 10, and the module 10 may be called a millimeter wave antenna module.
  • the antenna in the above-mentioned array antenna may be a patch antenna, a Yagi-Uda antenna, or a dipole antenna.
  • the embodiments of the present invention provide an antenna unit and an electronic device to solve the problem that the millimeter wave antenna of the existing electronic device covers less frequency bands, resulting in poor antenna performance of the electronic device.
  • an embodiment of the present invention provides an antenna unit.
  • the antenna unit includes a first metal groove, a second metal groove provided at the bottom of the first metal groove, and M provided at the bottom of the first metal groove.
  • Power feeders, and M power feed arms arranged in the first metal groove; wherein each of the M power feeders is electrically connected to the first end of one power feed arm, and It is insulated from the first metal groove and the second metal groove, and the M feed arms are arranged in the first metal groove in a first order, and each of the M feed arms Both are coupled with the second metal groove, and M is an integer greater than 1.
  • FIG. 1 is a schematic structural diagram of a conventional packaged antenna according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of the structure of a feed arm provided by an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of isolation of an antenna unit provided by an embodiment of the present invention.
  • FIG. 9 is one of the schematic diagrams of the hardware structure of an electronic device provided by an embodiment of the present invention.
  • FIG. 11 is one of the radiation pattern diagrams of the antenna unit provided by the embodiment of the present invention.
  • the first metal groove may be a rectangular groove or a circular groove
  • the second metal groove may also be a rectangular groove or a circular groove.
  • first metal groove and second metal groove may also be metal grooves of any other possible shapes, which can be specifically determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the first metal groove and/or the second metal groove are set as regular-shaped grooves (for example, rectangular grooves or circular grooves). Shaped groove), can make the performance of the antenna unit provided by the embodiment of the present invention relatively stable, so that the performance of the antenna unit can be improved.
  • the feeding part in FIG. 5 is indicated by a dotted line.
  • the feeding arms in the same feeding arm group may work at the same time. That is, when one feeding arm in the first feeding arm group is in the working state, the other feeding arm in the first feeding arm group may also be in the working state.
  • the other feeding arm in the second feeding arm group when one feeding arm in the second feeding arm group is in the working state, the other feeding arm in the second feeding arm group may also be in the working state.
  • the first end) electrically connected to the feeder 2032 and the fourth feeder arm 2043 (specifically, the first end of the fourth feeder arm) can be located at the second end of the first metal groove.
  • the diagonal L2. In this way, the distance between the first feeding arm and the third feeding arm, and the distance between the second feeding arm and the fourth feeding arm can be further increased, so that the isolation of the port of the antenna unit can be further improved.
  • the above-mentioned first insulator can not only carry the above-mentioned M feeding arms, but also can isolate the M feeding arms and the first metal groove, thereby preventing the M feeding arms from being connected to the first metal groove. Interference occurs between the slots.
  • the cross-sectional shape of the first insulator may be the same as the opening shape of the first metal groove. Any possible shape such as rectangle or circle.
  • the foregoing M power feeding arms 204 are carried on the first insulator 205, and the M power feeding arms 204 are embedded in the second insulator 206.
  • the material of the second insulator may be the same as the material of the first insulator.
  • the relative dielectric constant of the material of the second insulator may be 2.5, and the loss tangent value may be 0.001.
  • the thickness of the second insulator is different, the performance of the antenna unit may also be different. Therefore, the thickness of the second insulator can be set according to actual use requirements, so that the design of the antenna unit can be more flexible.
  • a third insulator may be provided in each of the above-mentioned M through holes, and the third insulator may wrap the feeder provided in the through hole.
  • a plurality of through holes 207 are provided at the bottom of the first metal groove 201, each through hole 207 is provided with a third insulator 208, and the power feeding portion 203 can be provided through the through hole 207.
  • the third insulator 208 and the first insulator 205 are electrically connected to the feeding arm 204.
  • the signal source 30 electrically connected to one end of the power feeder 203 (for example, the second end in the embodiment of the present invention) in FIG. 7 may be a millimeter wave signal source in an electronic device.
  • the material of the third insulator and the first insulator may be the same insulating material, or may be different insulating materials. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the housing of the electronic device may be provided with at least one first groove, and each of the at least one first groove may be provided with at least one first groove provided in the embodiment of the present invention.
  • the antenna unit may be provided with at least one first groove, and each of the at least one first groove may be provided with at least one first groove provided in the embodiment of the present invention.
  • the above-mentioned at least one first groove may be provided in the housing of the electronic device, and at least one antenna unit provided in the embodiment of the present invention may be arranged in each first groove, so that the electronic device At least one antenna unit provided in an embodiment of the present invention is integrated, so that an antenna array composed of the antenna units provided in the embodiment of the present invention can be formed in an electronic device.
  • the electronic device 4 may include a housing 40.
  • the housing 40 may include a first metal frame 41, a second metal frame 42 connected to the first metal frame 41, a third metal frame 43 connected to the second metal frame 42, and the third metal frame 43 and the first metal frame. 41 are connected to the fourth metal frame 44.
  • the electronic device 4 may further include a floor 45 connected to both the second metal frame 42 and the fourth metal frame 44, and a floor 45 which is arranged in the third metal frame 43, a part of the second metal frame 42, and a part of the fourth metal frame 44.
  • the first antenna 46 of the area (specifically, these metal frames may also be a part of the first antenna).
  • the second metal frame 42 is provided with a first groove 47.
  • the first metal frame, the second metal frame, the third metal frame, and the fourth metal frame may be connected end to end in sequence to form a closed frame; or, the first metal frame, the second metal frame Part of the frame, the third metal frame, and the fourth metal frame may be connected to form a semi-closed frame; or, the first metal frame, the second metal frame, the third metal frame, and the fourth metal frame may not be connected to each other to form a semi-closed frame; Open border. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • multiple first grooves may be provided on the housing of the electronic device, so that multiple antenna units provided in the embodiment of the present invention may be provided in the electronic device, so that the electronic device Including multiple antenna units to improve the antenna performance of the electronic device.
  • the housing of the electronic device may be a radiator of a non-millimeter wave antenna in the electronic device.
  • the housing of the electronic device can also be used as the radiator of the non-millimeter wave antenna in the electronic device, so that the antennas (millimeter wave antenna and non-millimeter wave antenna) in the electronic device can be integrated into one body, which can greatly Reduce the space occupied by the antenna in the electronic device.
  • the above-mentioned first metal groove and the second metal groove may be provided on the metal frame of the housing of the electronic device.
  • the housing 40 of the electronic device 4 provided by the embodiment of the present invention may be provided with at least one first metal recess 201 and a second metal recess provided at the bottom of the first metal recess 201.
  • Slots (not shown in FIG. 10), M feed arms and M feed parts in the antenna unit can be set in the first metal groove 201 (in practice, in the electronic device shown in FIG. 10 Angle, the first metal groove and the second metal groove are not visible).
  • a target metal groove may be provided in any one of the first metal frame, the second metal frame, the third metal frame, and the fourth metal frame of the housing. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the sidewall and target of the target metal groove included in the target metal groove in the embodiment of the present invention Parts such as the bottom of the metal groove may be a part of the electronic device, and specifically may be a part of the frame of the housing provided in the embodiment of the present invention.
  • multiple target metal grooves may be provided in the housing of the electronic device, and M feed arms and M feed arms in the embodiment of the present invention are provided in each target metal groove.
  • Electrical parts and other components so that multiple antenna units provided in the embodiments of the present invention can be integrated in an electronic device, so that these antenna elements can form an antenna array, thereby improving the antenna performance of the electronic device.
  • the electronic device can be provided with at least two target metal grooves, and each target metal groove is provided with the above-mentioned M arms and M power feeders and other components, so that the electronic device includes multiple embodiments of the present invention.
  • the antenna unit provided can make the electronic device include an antenna array composed of the antenna unit, thereby improving the antenna performance of the electronic device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Selon un mode de réalisation, la présente invention concerne une unité d'antenne et un dispositif électronique. L'unité d'antenne comprend une première rainure métallique, une seconde rainure métallique disposée au fond de la première rainure métallique, M parties d'alimentation disposées au fond de la première rainure métallique, et M bras d'alimentation disposés dans la première rainure métallique, chaque partie d'alimentation parmi les M parties d'alimentation étant respectivement connectée électriquement à une première extrémité d'un bras d'alimentation et étant isolée à la fois à partir de la première rainure métallique et de la seconde rainure métallique, les M bras d'alimentation sont disposés autour de l'intérieur de la première rainure métallique selon un premier ordre, chaque bras d'alimentation parmi les M bras d'alimentation est couplé à la seconde rainure métallique, et M est un nombre entier supérieur à 1.
PCT/CN2020/124404 2019-10-31 2020-10-28 Unité d'antenne et dispositif électronique WO2021083212A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911049756.4A CN110808453A (zh) 2019-10-31 2019-10-31 一种天线单元及电子设备
CN201911049756.4 2019-10-31

Publications (1)

Publication Number Publication Date
WO2021083212A1 true WO2021083212A1 (fr) 2021-05-06

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PCT/CN2020/124404 WO2021083212A1 (fr) 2019-10-31 2020-10-28 Unité d'antenne et dispositif électronique

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CN (1) CN110808453A (fr)
WO (1) WO2021083212A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110808453A (zh) * 2019-10-31 2020-02-18 维沃移动通信有限公司 一种天线单元及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140327582A1 (en) * 2010-03-16 2014-11-06 Raytheon Company Multi polarization conformal channel monopole antenna
CN110137675A (zh) * 2019-05-22 2019-08-16 维沃移动通信有限公司 一种天线单元及终端设备
CN110190386A (zh) * 2019-03-25 2019-08-30 西安电子科技大学 一种宽带宽角轴比圆极化贴片天线
CN110808453A (zh) * 2019-10-31 2020-02-18 维沃移动通信有限公司 一种天线单元及电子设备

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CN204189960U (zh) * 2014-11-21 2015-03-04 中国电子科技集团公司第十四研究所 一种微带贴片天线

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140327582A1 (en) * 2010-03-16 2014-11-06 Raytheon Company Multi polarization conformal channel monopole antenna
CN110190386A (zh) * 2019-03-25 2019-08-30 西安电子科技大学 一种宽带宽角轴比圆极化贴片天线
CN110137675A (zh) * 2019-05-22 2019-08-16 维沃移动通信有限公司 一种天线单元及终端设备
CN110808453A (zh) * 2019-10-31 2020-02-18 维沃移动通信有限公司 一种天线单元及电子设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PARYANI RAJESH C, WAHID PARVEEN F, BEHDAD NADER: "A Wideband, Dual-Polarized, Differentially-Fed Cavity-Backed Slot Antenna", 1 January 2010 (2010-01-01), XP055808587, Retrieved from the Internet <URL:https://ursi.org/proceedings/procGA08/papers/BP7p1.pdf> [retrieved on 20210528] *

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Publication number Publication date
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