WO2017096873A1 - 一种应用于全金属后壳的天线及移动终端 - Google Patents

一种应用于全金属后壳的天线及移动终端 Download PDF

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Publication number
WO2017096873A1
WO2017096873A1 PCT/CN2016/089089 CN2016089089W WO2017096873A1 WO 2017096873 A1 WO2017096873 A1 WO 2017096873A1 CN 2016089089 W CN2016089089 W CN 2016089089W WO 2017096873 A1 WO2017096873 A1 WO 2017096873A1
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Prior art keywords
antenna
branch
mobile terminal
parasitic
component
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PCT/CN2016/089089
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English (en)
French (fr)
Inventor
黄丽珊
李伟
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乐视控股（北京）有限公司
乐视移动智能信息技术（北京）有限公司
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Priority to US15/236,346 priority Critical patent/US20170170548A1/en
Publication of WO2017096873A1 publication Critical patent/WO2017096873A1/zh

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    • 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
    • H01Q1/12—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
    • H01Q1/44—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
    • H01Q1/50—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
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • 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

Definitions

  • the present invention relates to the field of parasitic antennas, and more particularly to an antenna and a mobile terminal applied to an all-metal back shell.
  • the losses introduced in this way will vary due to changes in device placement, matching, layout, and the like. This requires RF, antenna, and PWB engineers to pre-research in the pre-research and evaluate the best position and routing. If the design is not good, the introduced loss will be greater than the advantage brought by the switch or tuner.
  • Embodiments of the present invention provide an antenna and a mobile terminal applied to an all-metal back shell to solve the defects of the prior art, and realize a new design scheme for an antenna and a mobile terminal that meets the requirement of a wide frequency band and is applied to an all-metal housing.
  • an antenna applied to an all-metal back shell including:
  • the parasitic antenna resonating component and the antenna main body disposed on the all-metal rear casing have a positional correspondence relationship;
  • the antenna main body includes an antenna feeding unit, an antenna grounding unit, and an antenna radiating component; and
  • the parasitic antenna resonating component and The antenna radiating member has a coupling relationship.
  • the method comprises:
  • the parasitic antenna resonating component is disposed on the speaker box;
  • the speaker cabinet and the antenna body are assembled, they are all located at the lower end of the mobile terminal.
  • the method comprises:
  • the method comprises:
  • the antenna radiating element includes at least one branch, each branch including at least one radiating arm.
  • the method comprises:
  • the antenna radiating member includes two branches, each branch including one radiating arm;
  • the first branch is for generating low frequency resonance and the second branch is for generating high frequency resonance;
  • the parasitic antenna resonating component is coupled to the first branch coupling and/or the second branch.
  • an embodiment of the present invention further discloses a mobile terminal having an all-metal back shell, including an antenna system, where the antenna system includes:
  • the parasitic antenna resonating part and the antenna main body have a relative position relationship
  • the parasitic antenna resonating component has a coupling relationship with the antenna radiating component.
  • the device comprises:
  • the parasitic antenna resonating component is disposed on the speaker box;
  • the device comprises:
  • the parasitic antenna resonating component is a laser-engraved LDS antenna.
  • the device comprises:
  • the antenna radiating element includes at least one branch, each branch including at least one radiating arm.
  • the device comprises:
  • the antenna radiating member includes two branches, each branch including one radiating arm;
  • the first branch is for generating low frequency resonance and the second branch is for generating high frequency resonance;
  • the parasitic antenna resonating component is coupled to the first branch coupling and/or the second branch.
  • An antenna and a terminal applied to an all-metal back shell provided by an embodiment of the present invention, and an innovative parasitic antenna resonating component expands an antenna frequency band by coupling a parasitic antenna and a metal back shell, thereby achieving the function of widening the antenna frequency band.
  • the tuner can be eliminated at the antenna feed point, the project cost is saved, and the space on the PWB board occupied by the tuner can be cleared, and the increase in headroom is also beneficial to improve the antenna performance.
  • the parasitic antenna since the parasitic antenna has a low thickness requirement, it is very suitable for a terminal having a required antenna thickness.
  • FIG. 1 is a view showing a position of a parasitic antenna according to an embodiment of the present invention
  • FIG. 2 is a diagram showing a position of a parasitic antenna assembled in a mobile terminal according to an embodiment of the present invention
  • FIG. 3 is a view showing the position of a main body of an all-metal back cover main body according to an embodiment of the present invention
  • An embodiment of the present invention is an antenna applied to an all-metal back shell.
  • a parasitic antenna 3 is disposed on the speaker cabinet 1 , and the parasitic antenna 3 is a laser-mounted LDS (Laser-Direct-structuring) antenna.
  • the laser is projected onto the molded three-dimensional plastic device by using a computer to control the movement of the laser according to the trajectory of the conductive pattern, and the circuit pattern is activated in a few seconds.
  • Simply put (for mobile phone antenna design and production) on the molded plastic bracket, laser laser technology is used to form a metal antenna directly on the bracket.
  • the speaker box with the parasitic antenna is assembled into the mobile terminal, and the dotted line is the parasitic antenna disposed on the speaker box.
  • the antenna body 4 located on the surface of the metal rear casing includes an antenna feeding unit and an antenna radiating member, and the antenna radiating member includes at least one branch, each branch including at least one radiating arm.
  • the antenna radiating member is composed of a first branch 6 and a second branch 7. After the speaker cabinet and the antenna body are assembled, they are all located at the lower end of the mobile terminal.
  • the pogo pin 2 in FIG. 1 corresponds to the wire grounding unit of the antenna body.
  • the parasitic antenna resonating component has a coupling relationship with the antenna radiating component.
  • the parasitic antenna resonating component is coupled to the first branch 6 and/or to the second branch 7.
  • the first branch 6 produces a low frequency resonance and the second branch 7 produces a high frequency resonance.
  • an antenna performance comparison diagram of a whole antenna environment when a parasitic antenna and a parasitic antenna are not provided is provided in the embodiment of the present invention. From the test results in the figure, it can be seen that the performance of the antenna is set in two states without setting the parasitic antenna. Obviously, the mobile terminal with the parasitic antenna is provided, and the performance of the main antenna in the whole machine can fully realize the wide frequency band. Design requirements. In this embodiment, the antenna frequency is switched by the coupling of the parasitic antenna and the metal back shell to satisfy the requirement of the wide frequency band of the antenna. In this embodiment, the tuner is cancelled at the antenna feed point, the project cost is saved, and the PWB occupied by the tuner is used. The space on the board can be cleared, and the increase in headroom is also beneficial to improve the performance of the antenna. In addition, since the parasitic antenna has a low thickness requirement, it is very suitable for a terminal having a required antenna thickness.
  • the parasitic antenna may change due to changes in the whole environment and the antenna design scheme.
  • the parasitic antenna is not limited to the design of the embodiment.
  • the parasitic antenna applied to the all-metal back shell in this embodiment can be designed in a mobile terminal, such as a mobile phone, and the principle and effect are the same as those in the above embodiment, and details are not described herein again.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.

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

Abstract

本发明实施例提供一种应用于全金属后壳的天线及移动终端，应用于全金属后壳的天线，包括：在移动终端中的一组装部件上设置寄生天线谐振部件；移动终端组装时，寄生天线谐振部件和设置在全金属后壳上的天线主体具有位置对应关系；天线主体包括天线馈电单元、天线接地单元、天线辐射部件；寄生天线谐振部件与天线辐射部件具有耦合关系。通过本发明实施例提供的一种应用于全金属后壳的天线及移动终端，实现了展宽天线频带的效果，提高了天线性能，同时也节约了天线设计空间及项目开发成本。

Description

一种应用于全金属后壳的天线及移动终端
本申请要求在2015年12月11日提交中国专利局、申请号为201510921115.9、发明名称为“一种应用于全金属后壳的天线及移动终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及寄生天线领域，特别是涉及一种应用于全金属后壳的天线及移动终端。
背景技术
全球移动手机用户的增长，智能手机比例的提升，LTE的快速发展使得移动手机更新换代的速度越来越快。手机天线作为其中一个极其重要的非标准化的组成部分，制约着手机无线传输的整体性能。目前传统手机天线越来越满足不了LTE无线通信的要求，小型化的超宽频手机天线成为目前通信业研究的热点。因此手机天线往小型化，多频化，宽频化方向发展有着重要的研究意义。
在手机市场中，金属材质手机具有坚固、手感好、外观佳等诸多优势，而全金属后壳手机更为其中的佼佼者。但是随着LTE的普及，手机天线要求覆盖的频带足够宽，这对全金属后壳手机来说是个不小的挑战。
如何在全金属后壳下设计出满足性能要求的超宽频天线，这是天线工程师面临的一个极具挑战性的难题。
目前在现有技术中，手机天线很多都是通过在天线馈电点处加入开关(switch)或者调谐器(tuner)来优化天线在不同频段的性能，从而达到如此宽的频段。
但，这种方案的缺点在于：
这样引入的损耗会由于器件摆放位置、匹配、布板等等因素的变化而变化。这其中需要射频、天线、PWB工程师在前期预研，把最佳位置和走线评估出来。如果设计不好的话，引入的损耗将会大于开关或者tuner带来的优势。
因此，如何提供一种新的满足宽频段要求的全金属后壳的天线及移动终端的设计，成为亟待解决的技术问题。
发明内容
本发明实施例提供一种应用于全金属后壳的天线及移动终端，以解决现有技术的缺陷，实现一种新的满足宽频段要求应用于全金属外壳的天线及移动终端的设计方案。
为了解决上述问题，本发明实施例公开了一种应用于全金属后壳的天线，包括：
在移动终端中的一组装部件上设置寄生天线谐振部件；
移动终端组装时，寄生天线谐振部件和设置在全金属后壳上的天线主体具有位置对应关系；所述天线主体包括天线馈电单元、天线接地单元、天线辐射部件；所述寄生天线谐振部件与所述天线辐射部件具有耦合关系。
优选地，所述方法包括：
所述寄生天线谐振部件设置在扬声器箱体上；
所述扬声器箱体和天线主体组装后，都位于移动终端下端。
优选地，所述方法包括：
所述寄生天线谐振部件为镭雕的LDS天线。
优选地，所述方法包括：
所述天线辐射部件包括至少一个分支，每个分支包括至少一个辐射臂。
优选地，所述方法包括：
所述天线辐射部件包括2个分支，每个分支包括1个辐射臂；
第一分支用于产生低频谐振，第二分支用于产生高频谐振；
所述寄生天线谐振部件与所述第一分支耦合和/或第二分支耦合。
为解决上述技术问题，本发明实施例还公开了一种具有全金属后壳的移动终端，包括天线系统，所述天线系统包括：
设置在全金属后壳上的天线主体，所述天线主体包括天线馈电单元、天线接地单元、天线辐射部件；
设置在移动终端中一组装部件上的寄生天线谐振部件；
组装移动终端时，所述寄生天线谐振部件和所述天线主体具有位置相对 关系；
所述寄生天线谐振部件与所述天线辐射部件具有耦合关系。
优选地，所述装置包括：
所述寄生天线谐振部件设置在扬声器箱体上；
所述扬声器箱体和天线主体组装后，都位于移动终端下端。
优选地，所述装置包括：
所述寄生天线谐振部件为镭雕的LDS天线。
优选地，所述装置包括：
所述天线辐射部件包括至少一个分支，每个分支包括至少一个辐射臂。
优选地，所述装置包括：
所述天线辐射部件包括2个分支，每个分支包括1个辐射臂；
第一分支用于产生低频谐振，第二分支用于产生高频谐振；
所述寄生天线谐振部件与所述第一分支耦合和/或第二分支耦合。
本发明实施例提供的一种应用于全金属后壳的天线及终端，创新的将寄生天线谐振部件，通过寄生天线和金属后壳的耦合来扩展天线频段，从而达到展宽天线频带的作用。这样在天线馈点处可以取消掉调谐器(tuner)，节约项目成本，并且调谐器(tuner)所占用的PWB板上的空间可以净空出来，净空增加也有利于提高天线性能。
另外，由于寄生天线对厚度要求较低，所以非常适合于对天线厚度有要求的终端。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图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他的附图。
图1是本发明实施例寄生天线位置图；
图2是本发明实施例组装在移动终端中寄生天线位置图；
图3是本发明实施例全金属后盖主体天线主体位置图；
图4是本发明实施例设置寄生天线与未设置寄生天线时整机环境下的天 线性能比较图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，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，所描述的实施例是本发明一部分实施例，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作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例一种应用于全金属后壳的天线，如图1所示，在扬声器箱体1上设置寄生天线3，该寄生天线3采用镭雕的LDS(Laser-Direct-structuring)天线，通过利用计算机按照导电图形的轨迹控制激光的运动，将激光投照到模塑成型的三维塑料器件上，在几秒钟的时间内，活化出电路图案。简单的说(对于手机天线设计与生产)，在成型的塑料支架上，利用激光镭射技术直接在支架上化镀形成金属天线。图2所示，整机组装时先将设置寄生天线的扬声器箱体组装进移动终端内部，如虚线部分即为设置在扬声器箱体上寄生天线。
图3中，位于金属后壳表面的天线主体4中，包括天线馈电单元及天线辐射部件，天线辐射部件包括至少一个分支，每个分支包括至少一个辐射臂。本实施例中，天线辐射部件由第一分支6和第二分支7组成。所述扬声器箱体和天线主体组装后，都位于移动终端下端。当移动终端组装上全金属后壳后，图1中的精密连接器(pogo pin)2相当于天线主体的电线接地单元。寄生天线谐振部件与所述天线辐射部件具有耦合关系。这里，所述寄生天线谐振部件与所述第一分支6耦合和/或第二分支7耦合。第一分支6产生低频谐振，第二分支7产生高频谐振。
参照图4，本发明实施例设置寄生天线与未设置寄生天线时整机环境下的天线性能比较图。从图中的测试结果可以看出设置了几声天线和不设置寄生天线两个状态下的天线性能，显然，设置了寄生天线的移动终端，整机中的主天线性能完全能够实现宽频段的设计要求。本实施例通过寄生天线与金属后壳的耦合来切换天线频率满足天线宽频段的需求。本实施例在天线馈点处取消掉调谐器(tuner)，节约项目成本，并且调谐器(tuner)所占用的PWB 板上的空间可以净空出来，净空增加也有利于提高天线性能。另外，由于寄生天线对厚度要求较低，所以非常适合于对天线厚度有要求的终端。
需要指出的是，寄生天线会由于整机环境变化，天线设计方案变化而改变，寄生天线不限本实施例的设计方案。
同理，本实施例中的应用于全金属后壳的寄生天线可以设计在移动终端，如手机中，原理和效果与上述实施例相同，这里不再赘述。
以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性的劳动的情况下，即可以理解并实施。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到各实施方式可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件。基于这样的理解，上述技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品可以存储在计算机可读存储介质中，如ROM/RAM、磁碟、光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行各个实施例或者实施例的某些部分所述的方法。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (10)

  1. 一种应用于全金属后壳的天线，其特征在于，包括：
    在移动终端中的一组装部件上设置寄生天线谐振部件；
    移动终端组装时，寄生天线谐振部件和设置在全金属后壳上的天线主体具有位置对应关系；所述天线主体包括天线馈电单元、天线接地单元、天线辐射部件；所述寄生天线谐振部件与所述天线辐射部件具有耦合关系。
  2. 根据权利要求1所述的天线，其特征在于，包括：
    所述寄生天线谐振部件设置在扬声器箱体上；
    所述扬声器箱体和天线主体组装后，都位于移动终端下端。
  3. 根据权利要求1所述的天线，其特征在于，包括：
    所述寄生天线谐振部件为镭雕的LDS天线。
  4. 根据权利要求1所述的天线，其特征在于，包括：
    所述天线辐射部件包括至少一个分支，每个分支包括至少一个辐射臂。
  5. 根据权利要求1所述的天线，其特征在于，包括：
    所述天线辐射部件包括2个分支，每个分支包括1个辐射臂；
    第一分支用于产生低频谐振，第二分支用于产生高频谐振；
    所述寄生天线谐振部件与所述第一分支耦合和/或第二分支耦合。
  6. 一种具有全金属后壳的移动终端，包括天线系统，其特征在于，所述天线系统包括：
    设置在全金属后壳上的天线主体，所述天线主体包括天线馈电单元、天线接地单元、天线辐射部件；
    设置在移动终端中一组装部件上的寄生天线谐振部件；
    组装移动终端时，所述寄生天线谐振部件和所述天线主体具有位置相对关系；
    所述寄生天线谐振部件与所述天线辐射部件具有耦合关系。
  7. 根据权利要求6所述的移动终端，其特征在于，包括：
    所述寄生天线谐振部件设置在扬声器箱体上；
    所述扬声器箱体和天线主体组装后，都位于移动终端下端。
  8. 根据权利要求6所述的天线，其特征在于，包括：
    所述寄生天线谐振部件为镭雕的LDS天线。
  9. 根据权利要求6所述的天线，其特征在于，包括：
    所述天线辐射部件包括至少一个分支，每个分支包括至少一个辐射臂。
  10. 根据权利要求6所述的天线，其特征在于，包括：
    所述天线辐射部件包括2个分支，每个分支包括1个辐射臂；
    第一分支用于产生低频谐振，第二分支用于产生高频谐振；
    所述寄生天线谐振部件与所述第一分支耦合和/或第二分支耦合。
PCT/CN2016/089089 2015-12-11 2016-07-07 一种应用于全金属后壳的天线及移动终端 WO2017096873A1 (zh)

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TW201911643A (zh) * 2017-08-03 2019-03-16 廣達電腦股份有限公司 通訊裝置
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