WO2020134342A1 - 天线系统及电子设备 - Google Patents

天线系统及电子设备 Download PDF

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Publication number
WO2020134342A1
WO2020134342A1 PCT/CN2019/110482 CN2019110482W WO2020134342A1 WO 2020134342 A1 WO2020134342 A1 WO 2020134342A1 CN 2019110482 W CN2019110482 W CN 2019110482W WO 2020134342 A1 WO2020134342 A1 WO 2020134342A1
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WIPO (PCT)
Prior art keywords
radiator
antenna system
metal frame
ground unit
antenna
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Ceased
Application number
PCT/CN2019/110482
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English (en)
French (fr)
Inventor
陈勇利
汪中岳
梁悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Module Technologies Changzhou Co Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Module Technologies Changzhou Co Ltd
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Publication date
Application filed by AAC Acoustic Technologies Shenzhen Co Ltd, AAC Module Technologies Changzhou Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2020134342A1 publication Critical patent/WO2020134342A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01Q1/12—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
    • H01Q1/243—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 with built-in antennas
    • 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
    • H01Q5/30—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
    • 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
    • H01Q5/328—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 between a radiating element and ground
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the invention relates to the technical field of communication, in particular to an antenna system and electronic equipment.
  • 5G next-generation mobile communication technology
  • 5G next-generation mobile communication technology
  • MIMO Multiple-Input Multiple-Output
  • MIMO Multiple-Input Multiple-Output
  • It can make full use of space resources, achieve multiple transmissions and multiple receptions through multiple antennas, and can increase system channel capacity by multiples without increasing spectrum resources and antenna transmission power.
  • the purpose of the present invention is to provide an antenna system and electronic equipment, which can solve the problem that the number of antennas in the existing technology increases under the requirement of 4x4 MIMO, and almost occupies all the tunable areas. Adding 5G antennas to this technology makes it more difficult technical problem.
  • An antenna system includes a system ground unit, a metal frame disposed around the system ground unit and connected to the system ground unit, and a motherboard electrically connected to the system ground unit, the metal A space is formed between the frame and the system ground unit to form a clearance area, the metal frame is a first radiator, and the antenna system further includes a second radiator, a switch, a capacitor, and a main matching circuit, and the second radiator Located in the clearance area, the main board includes a feeding point, and the metal frame includes a first connection portion connected to the second radiator and a second connection to the feeding point through the main matching circuit In the connection part, one end of the capacitor is connected to the second radiator, and the other end is connected to the main matching circuit, and the second radiator is connected to the main board through a switch.
  • the first radiator works in the 4G frequency band
  • the second radiator works in the 5G frequency band.
  • the working frequency band of the first radiator is 600-960, 1710-2690MHz, and the working frequency band of the second radiator is 3400-3800MHz.
  • the second radiator has an elongated shape
  • the first connecting portion and the switch are respectively connected to two opposite long sides of the second radiator
  • the capacitor is connected to the second radiator along the length direction At the end.
  • the antenna system further includes a plastic support located in the clearance area, and the second radiator is disposed on the plastic support.
  • the second radiator is formed on the surface of the plastic support by LDS or FPC process.
  • the invention also provides an electronic device including the antenna system.
  • the present invention has the following beneficial effects: without increasing the number of antennas, the Sub 6G and 4G antennas are put together, thereby realizing that there is no need to increase the antenna feed point and reduce the number of antennas. Environmental changes and more headroom requirements, and even ID changes.
  • FIG. 1 is a structural diagram of an antenna system of the present invention
  • FIG. 2 is a schematic structural diagram of an antenna system of the present invention
  • FIG. 4 is a diagram of the antenna efficiency of the antenna system of the present invention.
  • the present invention provides an antenna system 100, which can be applied to mobile terminals such as mobile phones and tablets.
  • the following uses a mobile phone as an example for description.
  • the antenna system 100 includes a system ground unit 1, a metal frame 2, a motherboard 3, a second radiator 4, a switch 5, a capacitor 6, and a main matching circuit 7.
  • the metal frame 2 is a first radiator and works in the 4G frequency band, and the specific working frequency band is 600-900, 1710-2690MHz.
  • the second radiator 4 works in the 5G frequency band, and the specific working frequency band is 3400-3800MHz
  • the mobile phone includes a metal bottom plate, which is usually used as the unit 1 of the system and is also used to support the display screen (not shown) of the mobile phone.
  • the system unit 1 is usually stacked with the main board 3.
  • the metal frame 2 and the system ground unit 1 are spaced apart to form a clearance area 8, and the metal frame 2 and the system ground unit 1 are connected by a connecting rib 9.
  • the metal frame 2 is usually provided on the mobile phone Both ends along the long axis.
  • the main board 3 includes a feeding point 31, and the metal frame 2 includes a first connection portion 21 connected to the second radiator 4 and a second connection to the feeding point 31 through the main matching circuit 7 Connector 22.
  • the second radiator 4 has an elongated shape, the first connection portion 21 and the switch 5 are respectively connected to two opposite long sides of the second radiator 4, and the capacitor 6 is connected to the second radiator 4 One end along the length.
  • the antenna system 100 further includes a plastic support 10 located in the clearance area 8, and the second radiator 4 is disposed on the plastic support 10.
  • the second radiator 4 Formed on the surface of the plastic support 10 by LDS or FPC process.
  • the capacitor 6 is a low-resistance capacitor, one end of which is connected to the second radiator 4 and the other end is connected to the main matching circuit 7.
  • the capacitor 6 is provided to isolate 4G and 5G radio frequency signals.
  • the second radiator 4 is connected to the main board 3 through a switch 5.
  • the metal frame 2 as the first radiator can work in the 600-960, 1710-2690MHz frequency band
  • the second radiator 4 can work in the 3400-3800MHz frequency band, that is, without increasing the number of antennas, Sub 6G 4x4 MIMO is realized.
  • the working efficiency of the antenna system 100 provided by the present invention in different frequency bands is shown in FIG. 4.
  • the present invention also provides an electronic device (not shown).
  • the electronic device includes the antenna system 100.
  • the present invention has the following beneficial effects: without increasing the number of antennas, the Sub 6G and 4G antennas are put together, thereby realizing that there is no need to increase the antenna feed point and reduce the number of antennas. Environmental changes and more headroom requirements, and even ID changes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)

Abstract

本发明提供了一种天线系统，包括系统地单元、金属框以及主板，所述金属框与所述系统地单元之间间隔设置形成净空区，所述金属框为第一辐射体，所述天线系统还包括第二辐射体、开关、电容以及主匹配电路，所述第二辐射体位于所述净空区内，所述主板包括馈电点，所述金属框包括第一连接部和第二连接部，所述电容一端与所述第二辐射体连接，另一端与所述主匹配电路连接，所述第二辐射体通过开关与所述主板连接。与相关技术相比，本发明具有如下有益效果：在不增加天线个数的情况下，将Sub 6G与4G天线放在一起，从而实现不需要增加天线馈电点，减少增加天线个数带来的环境更改和更多的净空环境要求，甚至是ID的变动。

Description

天线系统及电子设备 技术领域
本发明涉及通讯技术领域，尤其涉及一种天线系统及电子设备。
 背景技术
5G（第五代移动通信技术）可分为Sub 6G和mmWave，作为下一代移动通信网络，其传输速率远远超过目前4G网络，已逐步成为国内外的发展趋势。在原有手机中增加5G天线成为时下需要攻克的难点。
MIMO(Multiple-Input Multiple-Output)技术指在发射端和接收端分别使用多个发射天线和接收天线，使信号通过发射端与接收端的多个天线传送和接收，从而改善通信质量。它能充分利用空间资源，通过多个天线实现多发多收，在不增加频谱资源和天线发射功率的情况下，可以成倍的提高系统信道容量。
 技术问题
为了能保证原4G天线在满足4x4MIMO的基础上增加5G，需要能够在原天线中增加Sub 6G中的3.4-3.8GHz频段的天线。
因此，有必要提供一种新型的天线系统及电子设备以解决上述问题。
 技术解决方案
本发明的目的在于提供一种天线系统及电子设备，其可以解决现有技术在4x4MIMO要求下，天线的数量增加，几乎已经占据了所有可调试区域，在此技术上增加5G天线难度加大的技术问题。
本发明的技术方案如下：一种天线系统，包括系统地单元、环绕所述系统地单元设置并与所述系统地单元连接的金属框以及与所述系统地单元电连接的主板，所述金属框与所述系统地单元之间间隔设置形成净空区，所述金属框为第一辐射体，所述天线系统还包括第二辐射体、开关、电容以及主匹配电路，所述第二辐射体位于所述净空区内，所述主板包括馈电点，所述金属框包括与所述第二辐射体连接的第一连接部和通过所述主匹配电路与所述馈电点连接的第二连接部，所述电容一端与所述第二辐射体连接，另一端与所述主匹配电路连接，所述第二辐射体通过开关与所述主板连接。
优选的，所述第一辐射体工作于4G频段，所述第二辐射体工作于5G频段。
优选的，所述第一辐射体的工作频段为600-960，1710-2690MHz，所述第二辐射体的工作频段为3400-3800MHz。
优选的，所述第二辐射体呈长条形，所述第一连接部和所述开关分别连接所述第二辐射体两相对长边，所述电容连接所述第二辐射体沿长度方向的一端。
优选的，所述天线系统还包括位于所述净空区的塑料支架，所述第二辐射体设置于所述塑料支架上。
优选的，所述第二辐射体通过LDS或者FPC工艺成型于所述塑料支架表面。
 有益效果
本发明还提供了一种电子设备，所述电子设备包括所述的天线系统。
与相关技术相比，本发明具有如下有益效果：在不增加天线个数的情况下，将Sub 6G与4G天线放在一起，从而实现不需要增加天线馈电点，减少增加天线个数带来的环境更改和更多的净空环境要求，甚至是ID的变动。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本发明天线系统的结构图；
图2为本发明天线系统的结构示意图；
图3为本发明天线系统的回波损耗曲线图；
图4为本发明天线系统的天线效率图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
请参阅图1和图2，本发明提供了一种天线系统100，可以应用于手机、平板等移动终端中，下面以手机为例进行说明。所述天线系统100包括系统地单元1、金属框2、主板3、第二辐射体4、开关5、电容6以及主匹配电路7。所述金属框2为第一辐射体，工作于4G频段，具体工作频段为600-900,1710-2690MHz。所述第二辐射体4工作于5G频段，具体工作频段为3400-3800MHz
手机包括金属底板，该金属底板通常作为所述系统地单元1，也同时用于支撑手机的显示屏（未图示）。所述系统地单元1通常与所述主板3叠设。
所述金属框2与所述系统地单元1之间间隔设置形成净空区8，且所述金属框2与所述系统地单元1通过连接筋9连接，所述金属框2通常设置在手机的沿长轴方向的两端。
所述主板3包括馈电点31，所述金属框2包括与所述第二辐射体4连接的第一连接部21和通过所述主匹配电路7与所述馈电点31连接的第二连接部22。
所述第二辐射体4呈长条形，所述第一连接部21和所述开关5分别连接所述第二辐射体4两相对长边，所述电容6连接所述第二辐射体4沿长度方向的一端。所述天线系统100还包括位于所述净空区8的塑料支架10，所述第二辐射体4设置于所述塑料支架10上，在本发明的优选实施方式中，所述第二辐射体4通过LDS或者FPC工艺成型于所述塑料支架10表面。
所述电容6为低阻电容，其一端与所述第二辐射体4连接，另一端与所述主匹配电路7连接，通过设置所述电容6来隔离4G与5G的射频信号。所述第二辐射体4通过开关5与所述主板3连接。
再结合图3所示，经过测试，所述金属框2作为第一辐射体，可以工作在600-960，1710-2690MHz频段，在增设所述第二辐射体4和所述电容6后，所述第二辐射体4可以工作在3400-3800MHz频段，也就是说，在不增加天线个数的情况下，实现了Sub 6G的4x4MIMO。本发明提供的所述天线系统100在不同频段的工作效率如图4所示。
本发明还提供了一种电子设备（未图示），所述电子设备包括所述的天线系统100。
与相关技术相比，本发明具有如下有益效果：在不增加天线个数的情况下，将Sub 6G与4G天线放在一起，从而实现不需要增加天线馈电点，减少增加天线个数带来的环境更改和更多的净空环境要求，甚至是ID的变动。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (7)

  1. 一种天线系统，包括系统地单元、环绕所述系统地单元设置并与所述系统地单元连接的金属框以及与所述系统地单元电连接的主板，所述金属框与所述系统地单元之间间隔设置形成净空区，所述金属框为第一辐射体，其特征在于，所述天线系统还包括第二辐射体、开关、电容以及主匹配电路，所述第二辐射体位于所述净空区内，所述主板包括馈电点，所述金属框包括与所述第二辐射体连接的第一连接部和通过所述主匹配电路与所述馈电点连接的第二连接部，所述电容一端与所述第二辐射体连接，另一端与所述主匹配电路连接，所述第二辐射体通过开关与所述主板连接。
  2. 根据权利要求1所述的天线系统，其特征在于，所述第一辐射体工作于4G频段，所述第二辐射体工作于5G频段。
  3. 根据权利要求2所述的天线系统，其特征在于，所述第一辐射体的工作频段为600-960，1710-2690MHz，所述第二辐射体的工作频段为3400-3800MHz。
  4. 根据权利要求1或3所述的天线系统，其特征在于，所述第二辐射体呈长条形，所述第一连接部和所述开关分别连接所述第二辐射体两相对长边，所述电容连接所述第二辐射体沿长度方向的一端。
  5. 根据权利要求1所述的天线系统，其特征在于，所述天线系统还包括位于所述净空区的塑料支架，所述第二辐射体设置于所述塑料支架上。
  6. 根据权利要求5所述的天线系统，其特征在于，所述第二辐射体通过LDS或者FPC工艺成型于所述塑料支架表面。
  7. 一种电子设备，其特征在于，所述电子设备包括如权利要求1-6任一项所述的天线系统。
PCT/CN2019/110482 2018-12-24 2019-10-10 天线系统及电子设备 Ceased WO2020134342A1 (zh)

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CN201811581112.5A CN109728406B (zh) 2018-12-24 2018-12-24 天线系统及电子设备

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Publication number Priority date Publication date Assignee Title
CN208589546U (zh) * 2018-08-03 2019-03-08 瑞声精密制造科技(常州)有限公司 天线系统及移动终端
CN109728406B (zh) * 2018-12-24 2021-07-02 瑞声精密制造科技(常州)有限公司 天线系统及电子设备
CN112072291A (zh) * 2020-09-08 2020-12-11 北京字节跳动网络技术有限公司 天线结构和终端

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