WO2017101373A1 - 一种超宽频寄生天线及移动终端 - Google Patents

一种超宽频寄生天线及移动终端 Download PDF

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Publication number
WO2017101373A1
WO2017101373A1 PCT/CN2016/088890 CN2016088890W WO2017101373A1 WO 2017101373 A1 WO2017101373 A1 WO 2017101373A1 CN 2016088890 W CN2016088890 W CN 2016088890W WO 2017101373 A1 WO2017101373 A1 WO 2017101373A1
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Prior art keywords
antenna
parasitic
component
branch
parasitic antenna
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PCT/CN2016/088890
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English (en)
French (fr)
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黄丽珊
王年涛
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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 US15/236,338 priority Critical patent/US20170170547A1/en
Publication of WO2017101373A1 publication Critical patent/WO2017101373A1/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
    • 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
    • H01Q1/36—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
    • H01Q1/36—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

Definitions

  • the present invention relates to antenna technology, and in particular to an ultra-wideband parasitic antenna and a mobile terminal.
  • LTE Long Term Evolution
  • mobile phone antennas restrict the overall performance of mobile phone wireless transmission.
  • the traditional mobile phone antenna can not meet the requirements of LTE wireless communication, and the miniaturized ultra-wideband mobile phone antenna has become a hot spot in the communication industry. Therefore, the mobile phone antenna has become an important research significance for miniaturization, multi-frequency, and wide-band development.
  • 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 (Printed Circuit Board) engineers to pre-study 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 ultra-wideband parasitic antenna and a mobile terminal to solve the prior art. It is necessary to introduce a larger device such as a switch or a coordinator to realize the defect of widening the antenna band and causing more power consumption, realizing a novel antenna design scheme that satisfies the requirements of a wide frequency band, saving the space of the antenna of the mobile terminal and reducing the increase due to the increase The power consumption caused by components.
  • an ultra-wideband parasitic antenna including:
  • a first parasitic antenna resonating component disposed on the antenna mount and coupled to the antenna radiating component
  • the second parasitic antenna resonating component is coupled to the antenna radiating component.
  • the innovative parasitic antenna resonating components are respectively arranged on the antenna bracket and the printed circuit PCB board, which not only saves the antenna design space in the mobile terminal, but also saves project cost and avoids Loss.
  • 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 structural view of an embodiment of an antenna mount according to an embodiment of the present invention.
  • FIG. 2 is a structural view of an antenna holder and a parasitic antenna on a PCB printed circuit board according to an embodiment of the present invention
  • FIG. 3 is a diagram showing measured return loss of an ultra-wideband parasitic antenna according to the present invention.
  • FIG. 4 is a graph showing the measured antenna efficiency of an ultra-wideband parasitic antenna of the present invention.
  • FIG. 1 is a structural diagram of an embodiment of an ultra-wideband antenna according to an embodiment of the present invention.
  • FIG. 1 is a structural block diagram of an antenna bracket according to an embodiment of the present invention
  • FIG. 2 is an antenna bracket and printing according to an embodiment of the present invention.
  • An ultra-wideband parasitic antenna comprising: an antenna feeding unit 4 disposed on an antenna bracket, an antenna grounding unit 5, an antenna radiating component; a first parasitic antenna resonance disposed on the antenna bracket and connected to the antenna radiating component a component 6, that is, a low-frequency parasitic antenna resonating component; disposed outside the antenna holder, as shown in the line selection portion of FIG. 2, a second parasitic antenna resonating component 7 disposed on a PCB (Printed Circuit Board), That is, the high frequency parasitic antenna resonating member, the second parasitic antenna resonating member 7 is coupled to the antenna radiating member.
  • the antenna holder, the antenna feeding unit 4, the antenna grounding unit 5, the antenna radiating member, and the first parasitic antenna resonating member 6 are respectively assembled above the second parasitic antenna resonating member 7.
  • the antenna radiating element comprises at least one branch, each branch comprising at least one radiating arm.
  • the antenna radiating component includes three branches, a first branch 1, a second branch 2, and a third branch 3. Each branch includes one radiating arm; wherein, the first branch 1 is used.
  • the second branch 2 and the third branch 3 are used to generate a high frequency 1700 MHz, 1900 MHz resonance; the second branch 2 and the third branch 3 are coupled to the first branch 1; the first parasitic The antenna resonating section 6 generates a resonance of 698 MHz; the second parasitic antenna resonating section 7 generates a resonance of 2700 MHz.
  • the resonances generated by the first branch 1, the second branch 2, the third branch 3, the first parasitic antenna resonating component 6, and the second parasitic antenna resonating 7 mentioned in this embodiment are only one embodiment of the present invention, and the present invention It is not limited to the resonant frequency exemplified in the present embodiment.
  • the specific resonant frequency value or range may vary depending on the design requirements or the graphical scheme of the particular terminal antenna, and the invention is not limited herein.
  • the antenna holder is made of a plastic material; the antenna feeding unit 4, the antenna grounding unit 5, the antenna radiating member, the first parasitic antenna resonating member 6, and the second parasitic antenna resonating member 7 are made of a metal material.
  • the measured return loss loss map of the actual debugging ultra-wideband parasitic antenna shown in FIG. 3 and FIG. 4 (the abscissa is the frequency, the unit is the MHz, the ordinate).
  • the unit is dB) and the efficiency of the ultra-wideband parasitic antenna. From the debugging results, the loan of the ultra-wideband parasitic antenna of this embodiment can fully satisfy the 698MHz-960MHz. Ultra-wideband requirements for 1710MHz-2700MHz.
  • the invention provides a low frequency parasitic antenna on the antenna bracket and a high frequency parasitic antenna on the PCB board, so that the antenna of the embodiment satisfies the broadband requirement required by the current mobile terminal such as a mobile phone without relying on external adjustable components. It not only saves the antenna design space in the mobile terminal, but also saves project cost and avoids loss. In addition, since the parasitic antenna has a low thickness requirement, it is very suitable for a terminal having a required antenna thickness.
  • the ultra-wideband parasitic antenna in this embodiment can be designed in a mobile terminal, such as a mobile phone, and the low frequency parasitic antenna is disposed in the antenna bracket in the mobile phone, which is equivalent to the first parasitic antenna shown in FIG. 1 and FIG.
  • the resonant component 6, the high frequency parasitic antenna is disposed on the handset PCB, corresponding to the second parasitic antenna resonating component 7 shown in FIGS. 1 and 2.
  • the principle and effect are the same as those of the embodiment of FIG. 1 and FIG. 2 described above, and 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.

Abstract

一种超宽频寄生天线及移动终端，该天线，包括：设置在天线支架上的天线馈电单元、天线接地单元、天线辐射部件；设置在天线支架上，并与天线辐射部件相连的第一寄生天线谐振部件；设置在天线支架之外的第二寄生天线谐振部件；第二寄生天线谐振部件与天线辐射部件为耦合关系。通过本发明实施例提供的一种超宽频寄生天线及移动终端，不仅节约了移动终端天线设计空间，而且还节约项目成本，避免了损耗。

Description

一种超宽频寄生天线及移动终端
本申请要求在2015年12月15日提交中国专利局、申请号为201510939736.X、发明名称为“一种超宽频寄生天线及移动终端”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
本发明涉及天线技术，特别是涉及一种超宽频寄生天线及移动终端。
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(Long Term Evolution，长期演进)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，却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。
由于LTE的高速发展，很多手机天线要求覆盖698MHz-960MHz，1710MHz-2700MHz。
目前在现有技术中，手机天线很多都是通过开关(switch)或者调谐器(tuner)展宽天线频带，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(Printed Circuit Board，印刷电路板)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，如何提供一种新型的满足宽频段要求的天线设计，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超宽频寄生天线及移动终端，以解决现有技术 需要引入开关或协调器等体积较大的器件来实现展宽天线频带从而导致更多的功耗的缺陷，实现一种新型的满足宽频段要求的天线设计方案，节约移动终端天线空间及减少由于增加元器件而带来的功耗。
为了解决上述问题，本发明实施例公开了一种超宽频寄生天线，包括：
设置在天线支架上的天线馈电单元、天线接地单元、天线辐射部件；
设置在天线支架上，并与所述天线辐射部件相连的第一寄生天线谐振部件；
设置在天线支架之外的第二寄生天线谐振部件；
所述第二寄生天线谐振部件与所述天线辐射部件为耦合关系。
本发明实施例提供的超宽频寄生天线及移动终端，创新的将寄生天线谐振部件分别布置在天线支架及印刷电路PCB板上，不仅节约了移动终端中天线设计空间，而且还节约项目成本，避免了损耗。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以简单地介绍，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是本发明实施例天线支架的实施例的结构图；
图2是本发明实施例天线支架与PCB印刷电路板上寄生天线的结构图；
图3是本发明一种超宽频寄生天线实测回波损耗图；
图4是本发明一种超宽频寄生天线的实测天线效率图。
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。
参照图1、图2，示出了本发明实施例超宽频天线的实施例的结构图，其中，图1为本发明实施例天线支架的结构框图，图2是本发明实施例天线支架与印刷电路板上寄生天线的结构图。
一种超宽频寄生天线，包括：设置在天线支架上的天线馈电单元4、天线接地单元5、天线辐射部件；设置在天线支架上，并与所述天线辐射部件相连的第一寄生天线谐振部件6，即低频寄生天线谐振部件；设置在天线支架之外，如1及图2选线部分所示，设置在PCB(Printed Circuit Board，印刷电路板)上的第二寄生天线谐振部件7，即高频寄生天线谐振部件，所述第二寄生天线谐振部件7与所述天线辐射部件为耦合关系。其中，天线支架以及设置在其上的天线馈电单元4、天线接地单元5、天线辐射部件和第一寄生天线谐振部件6，对应组装在所述第二寄生天线谐振部件7的上方。
在本实施例中，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。
如图1及图2所示，所述天线辐射部件包括3个分支，第一分支1、第二分支2、第三分支3，每个分支包括1个辐射臂；其中，第一分支1用于产生900MHz的谐振，第二分支2和第三分支3用于产生高频1700MHz，1900MHz的谐振；所述第二分支2和第三分支3与第一分支1相互耦合；所述第一寄生天线谐振部件6产生698MHz的谐振；所述第二寄生天线谐振部件7产生2700MHz的谐振。本实施例中提到的第一分支1、第二分支2、第三分支3、第一寄生天线谐振部件6及第二寄生天线谐振7产生的谐振仅为本发明的一个实施例，本发明不限于本实施例所例举的谐振频率。具体谐振频率值或者范围可以根据具体终端天线的设计要求或者图形方案而变化，本发明在此并不需要加以限定。
在本实施例中，所述天线支架采用塑料材质；所述天线馈电单元4、天线接地单元5、天线辐射部件、第一寄生天线谐振部件6和第二寄生天线谐振部件7采用金属材料。
根据图1和图2所示实施例，实际调试后测得，如图3和图4所示的实际调试超宽频寄生天线的实测回波损耗图(横坐标为频率，单位为MHz，纵坐标为天线回波损耗，单位为dB)和超宽频寄生天线的效率，从调试结果来看，本实施例的超宽频寄生天线的贷款完全能够满足698MHz-960MHz， 1710MHz-2700MHz的超宽频要求。
本发明通过在天线支架上设置低频寄生天线并在PCB板上设置高频寄生天线，使得本实施例的天线在不依靠外部可调元器件的技术上满足目前手机等移动终端所需的宽频要求，不仅节约了移动终端中天线设计空间，而且还节约项目成本，避免了损耗。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。
同理，本实施例中的超宽频寄生天线可以设计在移动终端，如手机中，其低频寄生天线设置在手机中的天线支架中，相当于图1和图2中所示的第一寄生天线谐振部件6，高频寄生天线设置在手机PCB板上，相当于图1和图2中所示的第二寄生天线谐振部件7。原理和效果与上述图1和图2的实施例相同，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 (12)

  1. 一种超宽频寄生天线，其特征在于，包括：
    设置在天线支架上的天线馈电单元、天线接地单元、天线辐射部件；
    设置在天线支架上，并与所述天线辐射部件相连的第一寄生天线谐振部件；
    设置在天线支架之外的第二寄生天线谐振部件；
    所述第二寄生天线谐振部件与所述天线辐射部件为耦合关系。
  2. 根据权利要求1所述的天线，其特征在于，包括：
    所述第一寄生天线谐振部件为低频寄生天线谐振部件；
    所述第二寄生天线谐振部件为高频寄生天线谐振部件。
  3. 根据权利要求1所述的天线，其特征在于，包括：
    所述第二寄生天线谐振部件设置在天线支架之下的印刷电路板上；
    天线支架以及设置在其上的天线馈电单元、天线接地单元、天线辐射部件和第一寄生天线谐振部件，对应组装在所述第二寄生天线谐振部件的上方。
  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3个分支，每个分支包括1个辐射臂；
    第一分支用于产生900MHz的谐振，第二分支和第三分支用于产生高频1700MHz，1900MHz的谐振；
    所述第二分支和第三分支与第一分支相互耦合；
    所述第一寄生天线谐振部件产生698MHz的谐振；
    所述第二寄生天线谐振部件产生2700MHz的谐振。
  6. 根据权利要求1所述的天线，其特征在于，包括：
    所述天线支架为塑料材质；
    所述天线馈电单元、天线接地单元、天线辐射部件、第一寄生天线谐振部件和第二寄生天线谐振部件为金属材料。
  7. 一种超宽频寄生天线的移动终端，包括天线系统，其特征在于，所述天线系统包括：
    设置在天线支架上的天线馈电单元、天线接地单元、天线辐射部件；
    设置在天线支架上，并与所述天线辐射部件相连的第一寄生天线谐振部件；
    设置在天线支架之外的第二寄生天线谐振部件；
    所述第二寄生天线谐振部件与所述天线辐射部件为耦合关系。
  8. 根据权利要求7所述的移动终端，其特征在于，包括：
    所述第一寄生天线谐振部件为低频寄生天线谐振部件；
    所述第二寄生天线谐振部件为高频寄生天线谐振部件。
  9. 根据权利要求7所述的移动终端，其特征在于，包括：
    所述第二寄生天线谐振部件设置在天线支架之下的印刷电路板上；
    天线支架以及设置在其上的天线馈电单元、天线接地单元、天线辐射部件和第一寄生天线谐振部件，对应组装在所述第二寄生天线谐振部件的上方。
  10. 根据权利要求7所述的移动终端，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。
  11. 根据权利要求7所述的移动终端，其特征在于，包括：
    所述天线辐射部件包括3个分支，每个分支包括1个辐射臂；
    第一分支用于产生900MHz的谐振，第二分支和第三分支用于产生高频1700MHz，1900MHz的谐振；
    所述第二分支和第三分支与第一分支相互耦合；
    所述第一寄生天线谐振部件产生698MHz的谐振；
    所述第二寄生天线谐振部件产生2700MHz的谐振。
  12. 根据权利要求7所述的移动终端，其特征在于，包括：
    所述天线支架为塑料材质；
    所述天线馈电单元、天线接地单元、天线辐射部件、第一寄生天线谐振部件和第二寄生天线谐振部件为金属材料。
PCT/CN2016/088890 2015-12-15 2016-07-06 一种超宽频寄生天线及移动终端 WO2017101373A1 (zh)

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CN106785414A (zh) * 2017-03-20 2017-05-31 合肥联宝信息技术有限公司 耦合天线
CN107230830A (zh) * 2017-05-23 2017-10-03 捷开通讯(深圳)有限公司 一种移动通讯设备及其天线
CN107369901A (zh) * 2017-09-08 2017-11-21 联想(北京)有限公司 一种天线装置以及通信电子设备
CN109742510B (zh) * 2018-11-26 2021-06-18 惠州Tcl移动通信有限公司 移动通讯终端及其天线
CN110459860B (zh) * 2019-06-29 2021-09-14 RealMe重庆移动通信有限公司 后壳组件及电子设备

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