WO2020134366A1 - 一种天线系统及移动终端 - Google Patents

一种天线系统及移动终端 Download PDF

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Publication number
WO2020134366A1
WO2020134366A1 PCT/CN2019/111018 CN2019111018W WO2020134366A1 WO 2020134366 A1 WO2020134366 A1 WO 2020134366A1 CN 2019111018 W CN2019111018 W CN 2019111018W WO 2020134366 A1 WO2020134366 A1 WO 2020134366A1
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WO
WIPO (PCT)
Prior art keywords
antenna
metal
electrically connected
frame
circuit board
Prior art date
Application number
PCT/CN2019/111018
Other languages
English (en)
French (fr)
Inventor
朱建朋
韩莉
姜华
张旭峰
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)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 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2020134366A1 publication Critical patent/WO2020134366A1/zh

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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
    • H01Q1/44—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
    • 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
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to an antenna system and a mobile terminal.
  • the existing technology has at least the following problems: At present, 5G communication has become an inevitable trend in the development of communication technology, and the antenna structure used by existing terminals cannot support the working frequency band of 5G communication, thereby limiting the development process of mobile terminals in 5G communication. .
  • the purpose of the embodiments of the present application is to provide an antenna system and a mobile terminal, so that it can support a working frequency band of 5G communication.
  • an antenna system including: a metal housing, a first antenna bracket and a second antenna bracket provided in the metal housing, the metal housing includes a metal middle frame and a metal middle frame The first metal frame and the second metal frame that are disconnected respectively; the first position of the first antenna bracket is provided with a first antenna, and the first antenna is electrically connected to the metal middle frame and the first metal frame respectively; A second antenna is provided at two locations, the second antenna is electrically connected to the metal middle frame; a third antenna is provided at the first position of the second antenna bracket, the third antenna is electrically connected to the metal middle frame, and a second position of the second antenna bracket A fourth antenna is provided, a fifth antenna is provided at a third position of the second antenna bracket, and the fifth antenna is electrically connected to the second metal frame; wherein, the first antenna, the second antenna, the fourth antenna, and the fifth antenna constitute a work For 4*4 MIMO at 3300MHz ⁇ 3600MHz, the second antenna and the third antenna constitute 2*2
  • Embodiments of the present application also provide a mobile terminal, including the above antenna system.
  • the antenna system of the present embodiment includes a first antenna, a second antenna, a third antenna, a fourth antenna, and a fifth antenna, and the first antenna and the second antenna ,
  • the fourth antenna and the fifth antenna constitute a multiple input multiple output antenna with an operating frequency of 3300MHz ⁇ 3600MHz
  • the second antenna and the third antenna constitute a multiple input multiple output antenna with an operating frequency band of 4800MHz ⁇ 5000MHz, which can support the terminal's 5G communication
  • the working frequency band promotes the convenient development process of mobile terminals in 5G communication.
  • the antenna further includes a first circuit board and a second circuit board disposed in the metal housing and located below the first antenna support, and a third circuit board disposed in the metal housing and located below the second antenna support.
  • a first circuit board and a second circuit board disposed in the metal housing and located below the first antenna support
  • a third circuit board disposed in the metal housing and located below the second antenna support.
  • the first metal frame includes a first end of the first metal frame and a second end of the first metal frame.
  • the second metal frame includes a first end of the second metal frame and a second end of the second metal frame.
  • the frame includes a first end of the metal middle frame, a second end of the metal middle frame, a third end of the metal middle frame, and a fourth end of the metal middle frame; the first end of the first metal frame and the first end of the metal middle frame
  • the first antenna includes a first branch and a second branch, the first position of the first branch is electrically connected to the ground point on the first circuit board, and the second position of the first branch is electrically connected to the first end of the metal middle frame The first position of the second branch is electrically connected to the feeding point of the first circuit board, and the second position of the second branch is electrically connected to the first end of the first metal frame.
  • the first antenna includes a first branch and a second branch, and the first branch and the second branch are electrically connected to the first circuit board, the metal middle frame, and the first metal frame, respectively, so that the first antenna is 5G Work within the communication band.
  • the antenna system further includes an access switch, which is provided on the first circuit board and electrically connected to the third position of the first branch, wherein the access switch is used to switch the operating frequency band of the first antenna.
  • the access switch is used to switch the operating frequency band of the first antenna.
  • the first position of the second antenna is electrically connected to the ground point on the second circuit board, and the second position of the second antenna is electrically connected to the second end of the metal middle frame.
  • the second antenna and the second circuit board are electrically connected to the metal middle frame, so that the second antenna works in the 5G communication frequency band, or the first position of the third antenna and the third circuit board A ground point is electrically connected, the second position of the third antenna is electrically connected to the first feeding point on the third circuit board, and the third position of the third antenna is electrically connected to the third end of the metal middle frame.
  • the third antenna is electrically connected to the third circuit board and the metal middle frame, so that the third antenna works in the 5G communication frequency band.
  • the first position of the fourth antenna is electrically connected to the second ground point on the third circuit board, and the second position of the fourth antenna is electrically connected to the second feed point on the third circuit board.
  • the fourth antenna is electrically connected to the third circuit board, so that the fourth antenna works in the 5G communication frequency band.
  • the first position of the fifth antenna is electrically connected to the third ground point on the third circuit board
  • the second position of the fifth antenna is electrically connected to the third feeding point on the third circuit board
  • the fifth antenna The three positions are electrically connected to the second end of the second metal frame.
  • the fifth antenna is electrically connected to the third circuit board and the second metal frame, so that the fifth antenna works in the 5G communication frequency band.
  • the working frequency band of the first antenna also includes 824MHz ⁇ 960MHz and 1710MHz ⁇ 2690MHz
  • the working frequency band of the third antenna also includes 2400MHz ⁇ 2500MHz and 2300MHz ⁇ 2700MHz
  • the working frequency band of the fifth antenna also includes 1550MHz ⁇ 1600MHz and 1800MHz ⁇ 2700MHz.
  • the first antenna, the third antenna, and the fifth antenna can also work in the existing 3G and 4G communication frequency bands, thereby increasing the functions of each antenna.
  • the antenna system in the present application includes a first antenna, a second antenna, a third antenna, a fourth antenna and a fifth antenna, and the first antenna, the second antenna, the fourth antenna and the The fifth antenna constitutes a multiple input multiple output antenna with an operating frequency of 3300MHz ⁇ 3600MHz, and the second antenna and the third antenna constitute a multiple input multiple output antenna with an operating frequency band of 4800MHz ⁇ 5000MHz, thereby supporting the working frequency band of the terminal in 5G communication, which promotes The development process of mobile terminals in 5G communication is convenient.
  • FIG. 1 to 3 are schematic structural diagrams of the antenna system in the first embodiment of the present application.
  • FIGS. 4 to 6 are partial structural schematic diagrams of the antenna system in the first embodiment of the present application.
  • 17 is a schematic structural diagram of a mobile terminal in a third embodiment of the present application.
  • FIGS. 4 to 6 are exploded schematic diagrams of the antenna system, FIG. 4 is an overall exploded schematic diagram of the antenna, FIG. 5 is an exploded schematic diagram of the upper end of the antenna system, and FIG. 6 is an exploded schematic diagram of the lower end of the antenna system Exploded schematic.
  • the antenna system includes: a metal casing 101, a first antenna bracket 102 and a second antenna bracket 103 provided in the metal casing 101.
  • the metal casing 101 includes a metal middle frame 1011 and the metal middle frame 1011 are disconnected from each other A first metal frame 1012 and a second metal frame 1013; a first antenna 104 is provided at a first position of the first antenna bracket, the first antenna 104 is electrically connected to the metal middle frame 1011 and the first metal frame 1012, respectively, and the first antenna bracket
  • the second position of 102 is provided with a second antenna 105, which is electrically connected to the metal middle frame 1011; the first position of the second antenna bracket is provided with a third antenna 106, which is electrically connected to the metal middle frame 1011 ,
  • a fourth antenna 107 is provided at the second position of the second antenna bracket, a fifth antenna 108 is provided at the third position of the second antenna bracket, and the fifth antenna 108 is electrically connected to the second metal frame 1013; wherein, the first antenna 104 The
  • the antenna in this embodiment further includes a first circuit board 109 and a second circuit board 110 disposed in the metal housing and located below the first antenna support, and a metal housing and located below the second antenna support ⁇ 111 ⁇ The third circuit board 111.
  • the first metal frame includes the first end 10121 of the first metal frame and the second end 10122 of the first metal frame
  • the second metal frame includes the first end 10131 of the second metal frame
  • the metal middle frame 1011 includes the first end 10111 of the metal middle frame, the second end 10112 of the metal middle frame, the third end 10113 of the metal middle frame, and the fourth end of the metal middle frame 10114; there is a first gap 112 between the first end of the first metal frame and the first end of the metal middle frame, and there is a second gap 113 between the second end of the first metal frame and the second end of the metal middle frame, There is a third gap 114 between the first end of the second metal frame and the third end of the metal middle frame, and there is a fourth gap 115 between the second end of the second metal frame and the fourth end of the metal middle frame, wherein, The first slit 112, the second slit 113, the third slit 114, and the
  • the first antenna 104 includes a first branch 1041 and a second branch 1042, the first position 1161 of the first branch is electrically connected to the ground point on the first circuit board 109, and the second branch of the first branch
  • the position 1162 is electrically connected to the first end 10111 of the metal middle frame
  • the first position 1163 of the second branch is electrically connected to the feeding point of the first circuit board 109
  • the second position 1164 of the second branch is connected to the first position of the first metal frame
  • One end 10121 is electrically connected.
  • the first position 1161 of the first branch is electrically connected to the ground in the first circuit board 109 through the metal dome, and the first position 1163 of the second branch is connected to the first circuit board 109 through the dome
  • the feed point is electrically connected.
  • shrapnel is used as an example for description, and other conductive materials are also within the protection scope of the present application.
  • the antenna system further includes an access switch 117.
  • the access switch is provided on the first circuit board 109 and electrically connected to the third position 1165 of the first branch.
  • the access switch 117 is used to Switch the working frequency band. In this embodiment, by adding an access switch 117 to switch the operating frequency band of the first antenna 104, the first antenna 104 can be switched in multiple operating modes.
  • the first position 1181 of the second antenna is electrically connected to the ground point on the second circuit board 110, and the second position 1182 of the second antenna is electrically connected to the second end 10112 of the metal middle frame.
  • the second antenna 105 is electrically connected to the second circuit board 110 and the metal middle frame 1011, so that the second antenna works in the 5G communication frequency band.
  • the first position 1191 of the third antenna is electrically connected to the first ground point on the third circuit board 111, and the second position 1192 of the third antenna is on the third circuit board 111.
  • the first feeding point is electrically connected, and the third position 1193 of the third antenna is electrically connected to the third end 10113 of the metal middle frame.
  • the third antenna 106 is electrically connected to the third circuit board 111 and the metal middle frame 1011, so that the third antenna 106 operates in the 5G communication frequency band.
  • the first position 1201 of the fourth antenna is electrically connected to the second ground point on the third circuit board 111, and the second position 1202 of the fourth antenna is electrically connected to the second feed point on the third circuit board 111.
  • the fourth antenna 107 is electrically connected to the third circuit board 111, so that the fourth antenna 107 operates in the 5G communication frequency band.
  • the first position 1211 of the fifth antenna is electrically connected to the third ground point on the third circuit board 111, and the second position 1212 of the fifth antenna is electrically connected to the third feeding point on the third circuit board 111,
  • the third position 1213 of the five antenna is electrically connected to the second end 10132 of the second metal frame.
  • the fifth antenna 108 is electrically connected to the third circuit board 111 and the second metal frame 1011, so that the fifth antenna 108 operates in the 5G communication frequency band.
  • the working frequency band of the first antenna 104 also includes 824MHz ⁇ 960MHz and 1710MHz ⁇ 2690MHz
  • the working frequency band of the third antenna 106 also includes 2400MHz ⁇ 2500MHz and 2300MHz ⁇ 2700MHz
  • the working frequency band of the fifth antenna 108 also includes 1550MHz ⁇ 1600MHz and 1800MHz ⁇ 2700MHz.
  • the first antenna 104, the third antenna 106, and the fifth antenna 108 can also be operated in the existing 3G and 4G communication frequency bands, thereby increasing the functions of each antenna.
  • the first slit 112, the second slit 113, the third slit 114, and the fourth slit 115 may be 1.2 mm, and the lengths of the first metal frame 1012 and the second metal frame 1013 may be 42.7mm, the width of the metal middle frame 1011 may be 8.9mm, and the distance between the second metal frame 1013 and the metal middle frame 1011 may be 8.9mm.
  • this embodiment is only an example to illustrate, in practical applications
  • the size can also be adjusted as needed, and the specific value of each size is not limited in this embodiment.
  • the antenna system in this embodiment includes a first antenna, a second antenna, a third antenna, a fourth antenna, and a fifth antenna, and the first antenna, the second antenna, and the fourth antenna And the fifth antenna constitute a multiple input multiple output antenna with a working frequency of 3300MHz ⁇ 3600MHz, and the second antenna and the third antenna constitute a multiple input multiple output antenna with a working frequency band of 4800MHz ⁇ 5000MHz, which can support the working frequency band of the terminal in 5G communication and promote The development process of mobile terminals in 5G communication is convenient.
  • the second embodiment of the present application relates to an antenna system.
  • the second embodiment is substantially the same as the first embodiment.
  • This embodiment mainly describes the transmission effect of each antenna in the antenna system.
  • FIG. 7 is a graph of the reflection coefficient of the first antenna
  • FIG. 8 is a graph of the efficiency of the first antenna.
  • the first antenna is the main antenna in the antenna system, and the working status is divided into 4.3 nH and There are two modes of 0 ohms to ground. From the figure, it can be seen that the performance of the first antenna is good at 3300MHz ⁇ 3600MHz, 824MHz ⁇ 960MHz and 1710MHz ⁇ 2690MHz.
  • FIG. 9 is a graph of the reflection coefficient of the second antenna
  • FIG. 10 is a graph of the efficiency of the second antenna. It can be seen from the figure that the second antenna has good performance at 3300 MHz to 3600 MHz and 4800 MHz to 5000 MHz.
  • FIG. 11 is a graph of the reflection coefficient of the third antenna
  • FIG. 12 is a graph of the efficiency of the third antenna. From the figure, it can be seen that the third antenna performs well at 4800MHz ⁇ 5000MHz, 2400MHz ⁇ 2500MHz, and 2300MHz ⁇ 2700MHz.
  • FIG. 13 is a graph of the reflection coefficient of the fourth antenna
  • FIG. 14 is a graph of the efficiency of the fourth antenna. From the figure, it can be seen that the fourth antenna performs well at 3300 MHz to 3600 MHz.
  • FIG. 15 is a graph of the reflection coefficient of the fifth antenna
  • FIG. 16 is a graph of the efficiency of the fifth antenna. From the figure, it can be seen that the fifth antenna performs well at 3300MHz ⁇ 3600MHz, 1550MHz ⁇ 1600MHz, and 1800MHz ⁇ 2700MHz.
  • the antenna system in this embodiment includes a first antenna, a second antenna, a third antenna, a fourth antenna, and a fifth antenna, and the first antenna, the second antenna, and the fourth antenna And the fifth antenna constitute a multiple input multiple output antenna with a working frequency of 3300MHz ⁇ 3600MHz, and the second antenna and the third antenna constitute a multiple input multiple output antenna with a working frequency band of 4800MHz ⁇ 5000MHz, which can support the working frequency band of the terminal in 5G communication and promote The development process of mobile terminals in 5G communication is convenient.
  • the third embodiment of the present application relates to a mobile terminal including the antenna system provided in the first or second embodiment described above. As shown in FIG. 17, it is a schematic structural diagram of the mobile terminal.
  • the mobile terminal should also include hardware such as a processor and a memory, where the memory and the processor are connected by a bus, and the bus may include any number of interconnected buses and bridges.
  • the bus connects one or more processors and memories The various circuits are linked together.
  • the bus can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be described further herein.
  • the bus interface provides an interface between the bus and the antenna system.
  • the data processed by the processor is transmitted on the wireless medium through the antenna system. Further, the antenna system also receives the data and transmits the data to the processor.
  • the processor is responsible for managing the bus and general processing, and can also provide various functions, including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
  • the memory can be used to store data used by the processor when performing operations.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

本申请实施例涉及通信技术领域，公开了一种天线系统及移动终端。本申请中，天线系统，包括：第一天线、第二天线、第三天线、第四天线和第五天线，其中，第一天线、第二天线、第四天线和第五天线构成工作于3300MHz~3600MHz的4*4MIMO，第二天线和第三天线构成工作于4800MHz~5000MHz的2*2MIMO，从而本申请的天线系统能够支持终端在5G通信的工作频段，促进了移动终端在5G通信方便的发展进程。

Description

一种天线系统及移动终端 技术领域
本申请实施例涉及通信技术领域，特别涉及一种天线系统及移动终端。
 背景技术
随着通信技术的发展，天线在数据通信中起着越来越重要的作用，并且现有技术中针对3G和4G通信技术，手机等移动终端分别采用不同的天线结构，以实现数据不同类型的通信需求。
 技术问题
现有技术中至少存在如下问题：目前5G通信成为通信技术发展的必然趋势，而现有终端所使用的天线结构并不能支持5G通信的工作频段，从而限制了移动终端在5G通信方面的发展进程。
 技术解决方案
本申请实施方式的目的在于提供一种天线系统及移动终端，使得能够支持5G通信的工作频段。
为解决上述技术问题，本申请的实施方式提供了一种天线系统，包括：金属外壳、设于金属外壳内的第一天线支架和第二天线支架，金属外壳包括金属中框以及与金属中框分别断开的第一金属边框和第二金属边框；第一天线支架的第一位置设有第一天线，第一天线分别与金属中框和第一金属边框电连接，第一天线支架的第二位置设有第二天线，第二天线与金属中框电连接；第二天线支架的第一位置设有第三天线，第三天线与金属中框电连接，第二天线支架的第二位置设有第四天线，第二天线支架的第三位置设有第五天线，第五天线与第二金属边框电连接；其中，第一天线、第二天线、第四天线和第五天线构成工作于3300MHz~3600MHz的4*4MIMO，第二天线和第三天线构成工作于4800MHz~5000MHz的2*2MIMO。
本申请的实施方式还提供了一种移动终端，包括如上的天线系统。
本申请实施方式相对于现有技术而言，本实施方式的天线系统中分别包括第一天线、第二天线、第三天线、第四天线和第五天线，并且由第一天线、第二天线、第四天线和第五天线构成3300MHz~3600MHz工作频率的多输入多输出天线，由第二天线和第三天线构成4800MHz~5000MHz工作频段的多输入多输出天线，从而能够支持终端在5G通信的工作频段，促进了移动终端在5G通信方便的发展进程。
另外，天线还包括设于金属外壳内且位于第一天线支架下方的第一电路板和第二电路板，以及设于金属外壳内且位于第二天线支架下方的第三电路板。该实现中，通过设置第一电路板、第二电路板和第三电路板，能够为第一天线、第二天线、第三天线、第四天线和第五天线分别提供电源。
另外，第一金属边框包括第一金属边框的第一端和第一金属边框的第二端，第二金属边框包括第二金属边框的第一端和第二金属边框的第二端，金属中框包括金属中框的第一端、金属中框的第二端、金属中框的第三端和金属中框的第四端；第一金属边框的第一端与金属中框的第一端之间存在第一缝隙，第一金属边框的第二端与金属中框的第二端之间存在第二缝隙，第二金属边框的第一端与金属中框的第三端之间存在第三缝隙，第二金属边框的第二端与金属中框的第四端之间存在第四缝隙，其中，在第一缝隙、第二缝隙、第三缝隙和第四缝隙内分别填充有绝缘材料。
另外，第一天线包括第一分支和第二分支，第一分支的第一位置与第一电路板上的接地点电连接，第一分支的第二位置与金属中框的第一端电连接，第二分支的第一位置与第一电路板的馈电点电连接，第二分支的第二位置与第一金属边框的第一端电连接。该实现中，第一天线包括第一分支和第二分支，并且第一分支和第二分支分别与第一电路板、金属中框和第一金属边框进行电连接，从而实现第一天线在5G通信频段内进行工作。
另外，天线系统还包括接入开关，接入开关设置在第一电路板上，并与第一分支的第三位置电连接，其中，接入开关用于对第一天线的工作频段进行切换。该实现中，通过增加接入开关，对第一天线的工作频段进行切换，实现了第一天线在多种工作模式下的转换。
另外，第二天线的第一位置与第二电路板上的接地点电连接，第二天线的第二位置与金属中框的第二端电连接。该实现中，第二天线与第二电路板与金属中框进行电连接，从而实现第二天线在5G通信频段内进行工作，或者，第三天线的第一位置与第三电路板上的第一接地点电连接，第三天线的第二位置与第三电路板上的第一馈电点电连接，第三天线的第三位置与金属中框的第三端电连接。该实现中，第三天线与第三电路板和金属中框进行电连接，从而实现第三天线在5G通信频段内进行工作。
另外，第四天线的第一位置与第三电路板上的第二接地点电连接，第四天线的第二位置与第三电路板上的第二馈电点电连接。该实现中，第四天线与第三电路板进行电连接，从而实现第四天线在5G通信频段内进行工作。
另外，第五天线的第一位置与第三电路板上的第三接地点电连接，第五天线的第二位置与第三电路板上的第三馈电点电连接，第五天线的第三位置与第二金属边框的第二端电连接。该实现中，第五天线与第三电路板和第二金属边框进行电连接，从而实现第五天线在5G通信频段内进行工作。
另外，第一天线的工作频段还包括824MHz~960MHz和1710MHz~2690MHz，第三天线的工作频段还包括2400MHz~2500MHz和2300MHz~2700MHz，第五天线的工作频段还包括1550MHz~1600MHz和1800MHz~2700MHz。该实现中，第一天线、第三天线和第五天线还可以在现有的3G和4G通信频段内进行工作，从而增加了各个天线的功能。
 有益效果
与现有技术相比，本申请中的天线系统，分别包括第一天线、第二天线、第三天线、第四天线和第五天线，并且由第一天线、第二天线、第四天线和第五天线构成3300MHz~3600MHz工作频率的多输入多输出天线，由第二天线和第三天线构成4800MHz~5000MHz工作频段的多输入多输出天线，从而能够支持终端在5G通信的工作频段，促进了移动终端在5G通信方便的发展进程。
 附图说明
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1至图3是本申请第一实施例中天线系统的结构示意图；
图4至图6是本申请第一实施例中天线系统的部分结构示意图；
图7是本申请第二实施例中第一天线的反射系数曲线图；
图8是本申请第二实施例中第一天线的效率图；
图9是本申请第二实施例中第二天线的反射系数曲线图；
图10是本申请第二实施例中第二天线的效率图；
图11是本申请第二实施例中第三天线的反射系数曲线图；
图12是本申请第二实施例中第三天线的效率图；
图13是本申请第二实施例中第四天线的反射系数曲线图；
图14是本申请第二实施例中第四天线的效率图；
图15是本申请第二实施例中第五天线的反射系数曲线图；
图16是本申请第二实施例中第五天线的效率图；
图17是本申请第三实施例中移动终端的结构示意图。
 本发明的实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合附图对本申请的各实施方式进行详细的阐述。然而，本领域的普通技术人员可以理解，在本申请各实施方式中，为了使读者更好地理解本申请而提出了许多技术细节。但是，即使没有这些技术细节和基于以下各实施方式的种种变化和修改，也可以实现本申请所要求保护的技术方案。
本申请的第一实施方式涉及一种天线系统。如图1至图3所示为天线系统的结构示意图，并且图1中描述了各个天线的位置分布，图2为天线系统上端的结构示意图，图3为天线系统下端的结构示意图。为了对天线的内部结构进行详细的分析，如图4至图6为天线系统的分解示意图，图4为天线的整体分解示意图，图5为天线系统上端的分解示意图，图6为天线系统下端的分解示意图。在本实施方式中天线系统包括：金属外壳101、设于金属外壳101内的第一天线支架102和第二天线支架103，金属外壳101包括金属中框1011以及与金属中框1011分别断开的第一金属边框1012和第二金属边框1013；第一天线支架的第一位置设有第一天线104，第一天线104分别与金属中框1011和第一金属边框1012电连接，第一天线支架102的第二位置设有第二天线105，第二天线105与金属中框1011电连接；第二天线支架的第一位置设有第三天线106，第三天线106与金属中框1011电连接，第二天线支架的第二位置设有第四天线107，第二天线支架的第三位置设有第五天线108，第五天线108与第二金属边框1013电连接；其中，第一天线104、第二天线105、第四天线107和第五天线108构成工作于3300MHz~3600MHz的4*4MIMO，第二天线105和第三天线106构成工作于4800MHz~5000MHz的2*2MIMO。
其中，本实施方式中的天线还包括设于所述金属外壳内且位于第一天线支架下方的第一电路板109和第二电路板110，以及设于金属外壳内且位于第二天线支架下方的第三电路板111。
需要说明的是，在本实施方式中，第一金属边框包括第一金属边框的第一端10121和第一金属边框的第二端10122，第二金属边框包括第二金属边框的第一端10131和第二金属边框的第二端10132，金属中框1011包括金属中框的第一端10111、金属中框的第二端10112、金属中框的第三端10113和金属中框的第四端10114；第一金属边框的第一端与金属中框的第一端之间存在第一缝隙112，第一金属边框的第二端与金属中框的第二端之间存在第二缝隙113，第二金属边框的第一端与金属中框的第三端之间存在第三缝隙114，第二金属边框的第二端与金属中框的第四端之间存在第四缝隙115，其中，在第一缝隙112、第二缝隙113、第三缝隙114和第四缝隙115内分别填充有绝缘材料。
其中，在本实施方式中，第一天线104包括第一分支1041和第二分支1042，第一分支的第一位置1161与第一电路板109上的接地点电连接，第一分支的第二位置1162与金属中框的第一端10111电连接，第二分支的第一位置1163与第一电路板109的馈电点电连接，第二分支的第二位置1164与第一金属边框的第一端10121电连接。并且在本实施方式中，第一分支的第一位置1161是通过金属弹片与第一电路板109中的接地电连接的，第二分支的第一位置1163是通过弹片与第一电路板109中的馈电点电连接的。当然本实施中仅是以弹片为例进行说明，对于其它的具有导电的材质也是在本申请的保护范围内的。
其中，天线系统还包括接入开关117，接入开关设置在第一电路板109上，并与第一分支的第三位置1165电连接，其中，接入开关117用于对第一天线104的工作频段进行切换。本实施方式中，通过增加接入开关117，对第一天线104的工作频段进行切换，实现了第一天线104在多种工作模式下的转换。
其中，第二天线的第一位置1181与第二电路板110上的接地点电连接，第二天线的第二位置1182与金属中框的第二端10112电连接。第二天线105与第二电路板110和金属中框1011进行电连接，从而实现第二天线在5G通信频段内进行工作。
需要说明的是，在本实施方式中，第三天线的第一位置1191与第三电路板111上的第一接地点电连接，第三天线的第二位置1192与第三电路板111上的第一馈电点电连接，第三天线的第三位置1193与金属中框的第三端10113电连接。第三天线106与第三电路板111和金属中框1011进行电连接，从而实现第三天线106在5G通信频段内进行工作。
其中，第四天线的第一位置1201与第三电路板111上的第二接地点电连接，第四天线的第二位置1202与第三电路板111上的第二馈电点电连接。第四天线107与第三电路板111进行电连接，从而实现第四天线107在5G通信频段内进行工作。
其中，第五天线的第一位置1211与第三电路板111上的第三接地点电连接，第五天线的第二位置1212与第三电路板111上的第三馈电点电连接，第五天线的第三位置1213与第二金属边框的第二端10132电连接。该实现中，第五天线108与第三电路板111和第二金属边框1011进行电连接，从而实现第五天线108在5G通信频段内进行工作。
其中，第一天线104的工作频段还包括824MHz~960MHz和1710MHz~2690MHz，第三天线106的工作频段还包括2400MHz~2500MHz和2300MHz~2700MHz，第五天线108的工作频段还包括1550MHz~1600MHz和1800MHz~2700MHz。在本实施方式中，第一天线104、第三天线106和第五天线108还可以在现有的3G和4G通信频段内进行工作，从而增加了各个天线的功能。
需要说明的是，在本实施方式中，第一缝隙112、第二缝隙113、第三缝隙114和第四缝隙115可以是1.2mm，第一金属边框1012和第二金属边框1013的长度可以是42.7mm，金属中框1011的宽度可以是8.9mm，第二金属边框1013与金属中框1011之间的距离可以是8.9mm，当然，本实施方式中仅是举例进行说说明，在实际应用中还以根据需要对尺寸进行调整，本实施方式中并不限定每一个尺寸的具体数值。
与现有技术相比，本实施方式中的天线系统，分别包括第一天线、第二天线、第三天线、第四天线和第五天线，并且由第一天线、第二天线、第四天线和第五天线构成3300MHz~3600MHz工作频率的多输入多输出天线，由第二天线和第三天线构成4800MHz~5000MHz工作频段的多输入多输出天线，从而能够支持终端在5G通信的工作频段，促进了移动终端在5G通信方便的发展进程。
本申请的第二实施方式涉及一种天线系统，第二实施方式与第一实施方式大致相同，本实施方式主要对天线系统中每一个天线的的传输效果进行具体说明。
其中，图7是第一天线的反射系数曲线图，图8是第一天线的效率图，在本实施方式中第一天线为天线系统中的主天线，并且工作状态分为对地4.3nH和对地0欧姆两种模式，从图中可以看出第一天线在3300MHz~3600MHz、824MHz~960MHz和1710MHz~2690MHz性能良好。
其中，图9是第二天线的反射系数曲线图，图10是第二天线的效率图，从图中可以看出第二天线在3300MHz~3600MHz、4800MHz~5000MHz性能良好。
其中，图11是第三天线的反射系数曲线图，图12是第三天线的效率图，从图中可以看出第三天线在4800MHz~5000MHz、2400MHz~2500MHz和2300MHz~2700MHz性能良好。
其中，图13是第四天线的反射系数曲线图，图14是第四天线的效率图，从图中可以看出第四天线在3300MHz~3600MHz性能良好。
其中，图15是第五天线的反射系数曲线图，图16是第五天线的效率图，从图中可以看出第五天线在3300MHz~3600MHz、1550MHz~1600MHz和1800MHz~2700MHz性能良好。
与现有技术相比，本实施方式中的天线系统，分别包括第一天线、第二天线、第三天线、第四天线和第五天线，并且由第一天线、第二天线、第四天线和第五天线构成3300MHz~3600MHz工作频率的多输入多输出天线，由第二天线和第三天线构成4800MHz~5000MHz工作频段的多输入多输出天线，从而能够支持终端在5G通信的工作频段，促进了移动终端在5G通信方便的发展进程。
本申请的第三实施方式涉及一种移动终端，该移动终端包括上述第一或第二实施方式所提供的天线系统，如图17所示，为移动终端的结构示意图。
其中，当然，该移动终端还应当包括处理器、存储器等硬件，其中，存储器和处理器采用总线方式连接，总线可以包括任意数量的互联的总线和桥，总线将一个或多个处理器和存储器的各种电路链接在一起。总线还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口在总线和天线系统之间提供接口。经处理器处理的数据通过天线系统在无线介质上进行传输，进一步，天线系统还接收数据并将数据传送给处理器。处理器负责管理总线和通常的处理，还可以提供各种功能，包括定时，外围接口，电压调节、电源管理以及其他控制功能。而存储器可以被用于存储处理器在执行操作时所使用的数据。
本领域的普通技术人员可以理解，上述各实施方式是实现本申请的具体实施例，而在实际应用中，可以在形式上和细节上对其作各种改变，而不偏离本申请的精神和范围。

Claims (10)

  1. 一种天线系统，其特征在于，包括：金属外壳、设于所述金属外壳内的第一天线支架和第二天线支架，所述金属外壳包括金属中框以及与所述金属中框分别断开的第一金属边框和第二金属边框；
    所述第一天线支架的第一位置设有第一天线，所述第一天线分别与所述金属中框和所述第一金属边框电连接，所述第一天线支架的第二位置设有第二天线，所述第二天线与所述金属中框电连接；
    所述第二天线支架的第一位置设有第三天线，所述第三天线与所述金属中框电连接，所述第二天线支架的第二位置设有第四天线，所述第二天线支架的第三位置设有第五天线，所述第五天线与所述第二金属边框电连接；
    其中，所述第一天线、所述第二天线、所述第四天线和所述第五天线构成工作于3300MHz~3600MHz的4*4MIMO，所述第二天线和所述第三天线构成工作于4800MHz~5000MHz的2*2MIMO。
  2. 根据权利要求1所述的天线系统，其特征在于，所述天线还包括设于所述金属外壳内且位于所述第一天线支架下方的第一电路板和第二电路板，以及设于所述金属外壳内且位于所述第二天线支架下方的第三电路板。
  3. 根据权利要求2所述的天线系统，其特征在于，所述第一金属边框包括第一金属边框的第一端和第一金属边框的第二端，所述第二金属边框包括第二金属边框的第一端和第二金属边框的第二端，所述金属中框包括金属中框的第一端、金属中框的第二端、金属中框的第三端和金属中框的第四端；
    所述第一金属边框的第一端与所述金属中框的第一端之间存在第一缝隙，所述第一金属边框的第二端与所述金属中框的第二端之间存在第二缝隙，所述第二金属边框的第一端与所述金属中框的第三端之间存在第三缝隙，所述第二金属边框的第二端与所述金属中框的第四端之间存在第四缝隙，其中，在所述第一缝隙、所述第二缝隙、所述第三缝隙和所述第四缝隙内分别填充有绝缘材料。
  4. 根据权利要求3所述的天线系统，其特征在于，所述第一天线包括第一分支和第二分支，所述第一分支的第一位置与所述第一电路板上的接地点电连接，所述第一分支的第二位置与所述金属中框的第一端电连接，所述第二分支的第一位置与所述第一电路板的馈电点电连接，所述第二分支的第二位置与所述第一金属边框的第一端电连接。
  5. 根据权利要求4所述的天线系统，其特征在于，所述天线系统还包括接入开关，所述接入开关设置在所述第一电路板上，并与所述第一分支的第三位置电连接，其中，所述接入开关用于对所述第一天线的工作频段进行切换。
  6. 根据权利要求3所述的天线系统，其特征在于，所述第二天线的第一位置与所述第二电路板上的接地点电连接，所述第二天线的第二位置与所述金属中框的第二端电连接；或者，
    所述第三天线的第一位置与所述第三电路板上的第一接地点电连接，所述第三天线的第二位置与所述第三电路板上的第一馈电点电连接，所述第三天线的第三位置与所述金属中框的第三端电连接。
  7. 根据权利要求3所述的天线系统，其特征在于，所述第四天线的第一位置与所述第三电路板上的第二接地点电连接，所述第四天线的第二位置与所述第三电路板上的第二馈电点电连接。
  8. 根据权利要求3所述的天线系统，其特征在于，所述第五天线的第一位置与所述第三电路板上的第三接地点电连接，所述第五天线的第二位置与所述第三电路板上的第三馈电点电连接，所述第五天线的第三位置与所述第二金属边框的第二端电连接。
  9. 根据权利要求1至8任一项所述的天线系统，其特征在于，所述第一天线的工作频段还包括824MHz~960MHz和1710MHz~2690MHz，所述第三天线的工作频段还包括2400MHz~2500MHz和2300MHz~2700MHz，所述第五天线的工作频段还包括1550MHz~1600MHz和1800MHz~2700MHz。
  10. 一种移动终端，其特征在于，应用于权利要求1至9中任一项所述的天线系统。
PCT/CN2019/111018 2018-12-28 2019-10-14 一种天线系统及移动终端 WO2020134366A1 (zh)

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