WO2013185654A1 - 一种天线及终端设备 - Google Patents

一种天线及终端设备 Download PDF

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Publication number
WO2013185654A1
WO2013185654A1 PCT/CN2013/078046 CN2013078046W WO2013185654A1 WO 2013185654 A1 WO2013185654 A1 WO 2013185654A1 CN 2013078046 W CN2013078046 W CN 2013078046W WO 2013185654 A1 WO2013185654 A1 WO 2013185654A1
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WO
WIPO (PCT)
Prior art keywords
antenna
main antenna
main
pcb
feeding
Prior art date
Application number
PCT/CN2013/078046
Other languages
English (en)
French (fr)
Inventor
仇智
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP13803836.9A priority Critical patent/EP2858174B1/en
Priority to JP2015520806A priority patent/JP5965065B2/ja
Priority to US14/413,467 priority patent/US9608311B2/en
Priority to KR1020157000274A priority patent/KR20150027202A/ko
Publication of WO2013185654A1 publication Critical patent/WO2013185654A1/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
    • H01Q1/36—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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
    • 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 antennas and terminal devices, and in particular, to an antenna and a terminal device.
  • the technical problem to be solved by the embodiments of the present invention is to provide an antenna and a terminal device, which can greatly reduce the occupied wiring space while satisfying the performance of the antenna.
  • An antenna comprising: a printed circuit board (PCB), a first main antenna, a second main antenna, and a connection assembly, the first main antenna is printed on the PCB, and the second main antenna is disposed on the In addition to the PCB, the first main antenna is electrically connected through the connection assembly.
  • PCB printed circuit board
  • the second main antenna is disposed on a housing of the terminal device where the bracket or the antenna is located.
  • the parasitic unit is printed on the PCB, on the same side as the first main antenna, and has a gap between the first main antenna and a ground line; or
  • the parasitic unit is disposed on the housing of the terminal device where the bracket or the antenna is located, on the same side as the second main antenna, and has a gap between the second main antenna and the ground line.
  • the first main antenna includes a feeding portion, the feeding portion is connected to an antenna feeding unit on the PCB, or the second main antenna includes a feeding portion, and the feeding portion versus The antenna feed units are connected.
  • the second primary antenna includes a primary segment of the second primary antenna and a secondary segment of the second primary antenna, and the primary segment of the second primary antenna includes the feeding portion, and the antenna
  • the feeding unit is connected to the first main antenna, and the sub-segment of the second main antenna is connected to the first main antenna.
  • the first main antenna operates in a high frequency portion, and the second main antenna operates in a low frequency portion; or the first main antenna operates in a low frequency portion, and the second main antenna operates in a high frequency portion section.
  • a terminal device includes: a terminal housing, a main board, and an antenna, wherein the main board and the antenna are disposed in the housing, the antenna includes a first main antenna, a second main antenna, and a connection component, and the first main antenna is printed The second main antenna is disposed outside the main board, and is electrically connected to the first main antenna through the connection component.
  • the second main antenna is disposed on a housing of the terminal device where the bracket or the antenna is located.
  • the terminal device further includes a parasitic unit, where:
  • the parasitic unit is printed on the PCB, on the same side as the first main antenna, with a gap between the first main antenna and connected to the ground line; or
  • the parasitic unit is disposed on the housing of the terminal device where the bracket or the antenna is located, on the same side as the second main antenna, and has a gap between the second main antenna and the ground line.
  • the first main antenna includes a feeding portion, the feeding portion is connected to an antenna feeding unit on the PCB, or the second main antenna includes a feeding portion, and the feeding portion Connected to the antenna feed unit, the second main antenna includes a main segment of the second main antenna and a sub-segment of the second main antenna, and the main segment of the second main antenna includes the feed And connecting to the antenna feeding unit and the first main antenna, and the sub-segment of the second main antenna is connected to the first main antenna.
  • the above technical solution can make up for the limitation of the shortage of the wiring space in the antenna design by connecting the antenna printed on the PCB with the antenna disposed outside the PCB, and can significantly improve the antenna design when the wiring is routed. Utilization of limited space.
  • FIG. 1 is a structural diagram of an antenna according to Embodiment 1 of the present invention.
  • FIG. 2 is a structural diagram of an antenna according to Embodiment 2 of the present invention. Preferred embodiment of the invention
  • the present embodiment provides an innovative antenna structure including a main antenna and a parasitic unit.
  • the main antenna includes two parts, a first main antenna and a second main antenna.
  • the first main antenna is printed on the PCB
  • the second main antenna is printed on the PCB. It is disposed outside the PCB and is electrically connected to the first main antenna through a connection component.
  • the first main antenna and the second main antenna operate through a connection assembly to achieve a good electrical connection as a whole.
  • the first main antenna printed on the PCB it is formed by direct metallization in the clearance area at one end of the PCB, and the shape is not limited.
  • the first main antenna can be directly connected to the antenna feeding unit on the PCB, or can be a relatively independent metal portion that is not directly connected to the antenna feeding unit or the ground line on the PCB.
  • Both the first main antenna and the second main antenna can comprise several segments, maintaining a good electrical connection in a suitable manner at several locations.
  • the location of the connection can be set in different places as needed.
  • the connection method can be a metal shrapnel structure, a metal PIN pin form or other connection method with similar functions.
  • the first main antenna and the first main antenna must reserve a connection position of the surface exposed copper.
  • the second main antenna may be disposed on the bracket or directly on the housing of the terminal device, and may be made of metal dome, FPC material, LDS (laser etching) process or other force-storing method that satisfies the above requirements.
  • the second main antenna disposed outside the PCB may be directly connected to the antenna feeding unit on the PCB, or may be a relatively independent metal portion not directly connected to the ground or the antenna feeding unit.
  • the parasitic unit can be directly connected to the PCB ground by PCB printing or placed on the housing of the bracket or the terminal device in a non-printing manner, and maintains a good electrical connection with the ground wire of the PCB.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • connection assembly for maintaining a good electrical connection between the first main antenna 11 and the second main antenna 12.
  • the connection assembly includes a copper exposed area 31 disposed on the first main antenna, and a metal dome 32 directly integrated with the second main antenna 12.
  • the overall structure of the antenna is placed in the clearance area 6 on the PCB 5.
  • the first main antenna 11 includes a feeding portion 4 which is directly integrated with the first main antenna 11 as a constituent region of the first main antenna 11.
  • the first main antenna 11 maintains a good electrical connection with the antenna feed unit through the feed portion 4.
  • the first main antenna 11 is a regular shaped metal region printed in the clearance area 6 of the PCB 5. Mainly working in the high frequency part above 1700MHz. In the upper left corner of the first main antenna 11, there is a rectangular exposed copper area 31 which, in conjunction with the foot 32, achieves a good electrical connection between the first main antenna 11 and the second main antenna 12.
  • the second main antenna 12 is disposed on an intrinsic shape bracket and is made of a metal material.
  • the line is in the form of a folded serpentine line.
  • a part of the trace of the second main antenna 12 is distributed in front of the bracket, and another part is distributed on the upper surface of the bracket.
  • the second main antenna 12 is mainly designed to operate in a low frequency band portion covering 1 GHz or less.
  • a shrapnel structure 32 is formed integrally with the second main antenna 12, which is also a metal material, and the component is disposed directly under the same, and the exposed copper on the first main antenna 11
  • the area 31 together achieves a good electrified connection between the second main antenna 12 and the first main antenna 11.
  • the parasitic unit 2 is directly printed on the clearance area 6 of the PCB 5 and directly integrated with the ground of the PCB 5. A gap 24 is left between the first main antenna 11 and the first main antenna 11.
  • the electrical signal is fed from the feed portion 4 in the first main antenna 11.
  • One portion is directly fed into the first main antenna 11 to form radiation operating in a high frequency band; the other portion is via a copper exposed portion 31 disposed on the first main antenna 11 and a metal projecting leg 32 disposed on the second main antenna 12,
  • the second main antenna 12 is fed to form radiation that operates in a low frequency band.
  • further widening of the high frequency portion of the first main antenna 11 is completed by the parasitic unit 2.
  • the second main antenna 12 in this embodiment may be, but not limited to, a form in which metal shrapnel is routed on a bracket. FPC routing can also be performed on the bracket, and the wiring can be directly designed on the back shell or the back shell by metal shrapnel, FPC or LDS process without using the bracket. It can also be any other form of design that achieves the above objectives.
  • the connecting component in this embodiment that is, the exposed copper portion 31 disposed on the first main antenna 11, and the corresponding metal clip 32 disposed on the second main antenna 12, may also use a metal PIN pin or Other forms of matching that can achieve the above objectives.
  • the specific routing form and working frequency band of the first main antenna 11 and the second main antenna 12 can be adjusted according to performance requirements and debugging requirements. As long as the form of combining PCB and non-PCB antennas is included, it should be protected.
  • the parasitic unit 2 can be determined depending on the application and performance requirements.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • connection assembly includes the exposed copper regions 31 and 33 disposed on the first main antenna 11, and the electrical connection with the exposed copper region by soldering for electrical connection with the upper second main antenna 12 Metal feet 32 and 34. Among them, 31 and 32 are used together, and 33 and 34 are used together.
  • the overall structure of the antenna is placed in the clearance area 6 on the PCB 5.
  • the second main antenna 12 is disposed on the bracket, including two relatively independent metal components, a main segment 121 of the second main antenna and a sub-segment 122 of the second main antenna, wherein the main of the second main antenna 12
  • the segment 121 is well electrically connected to the antenna feed unit on the PCB through the feed portion 4 and is designed to operate in a high frequency band above 1 GHz.
  • the secondary section 122 of the second main antenna 12 is a separate metal piece structure connected to the first main antenna 11.
  • the first main antenna 11 is connected to the main section 121 of the second main antenna 12 by a serpentine line routing method disposed in the clearance area 6 of the PCB 5.
  • a copper exposed area 31 is left in the upper left corner of the first main antenna 11.
  • the metal bullet 32 is soldered to maintain a good electrical connection with the exposed copper region 31 at one end, and the other end maintains good electrical power with the main segment 121 of the second main antenna 12 above it.
  • a copper exposed area 33 is left.
  • the metal foot 34 is soldered to maintain a good electrical connection with the exposed copper region 33 at one end. The other end maintains a good electrical connection with the secondary section 122 of the second main antenna 12 above it.
  • the parasitic unit 2 is disposed on the bracket, and is in the same plane as the main segment 121 of the second main antenna 12 and the sub-segment 122 of the second main antenna 12, and is well electrified by the metal legs and the ground of the PCB 5. connection. A gap 24 is left between the parasitic unit 2 and the second main antenna 12.
  • the electric signal is fed into the antenna by the feeding portion 4, and a portion enters the main portion 121 of the second main antenna 12 to operate at a high frequency portion of 1 GHz or more.
  • the other portion is fed to the first main antenna 11 through a connection assembly of 31 and 32 which realizes a good electrical connection between the main section 121 of the second main antenna 12 and the first main antenna 11.
  • the first main antenna 11 and the sub-segment 122 of the second main antenna 12 together constitute a low-frequency radiation branch of the main antenna, and the low-band radiation demand below 1 GHz is completed.
  • further widening of the high frequency portion of the main section 121 of the second main antenna 12 is completed by the parasitic unit 2.
  • the second main antenna 12 in this embodiment may be, but not limited to, a form in which a metal dome is routed on the bracket. It can be used for FPC routing on the bracket. It can be directly designed on the back shell or the back shell by metal dome, FPC or LDS process without using the bracket. It can also be any other form of design that achieves the above objectives.
  • the connecting component in this embodiment that is, the exposed copper portion 31 disposed on the first main antenna 11, and the metal elastic leg 32 disposed on the main segment 121 of the second main antenna 12, may also use metal PIN foot or other collocation form that can achieve the above purpose.
  • the specific routing form and working frequency band of the main segment 121 of the first main antenna 11 and the second main antenna 12 and the sub-segment 122 of the second main antenna 12 can be adjusted according to performance requirements and debugging requirements. As long as the form of the combination of PCB and non-PCB antenna is embodied, it should be protected.
  • the components of the parasitic unit 2 and the sub-segment 122 of the second main antenna 12 can be determined depending on the application and the change in performance requirements.
  • the embodiment of the invention further discloses a terminal device, comprising: a terminal housing, a main board and an antenna, wherein the main board and the antenna are disposed in the housing, and the antenna comprises a first main antenna, a second main antenna and a connection component, The first main antenna is printed on the main board, and the second main antenna is disposed outside the main board, and is electrically connected to the first main antenna through the connection component.
  • the second main antenna is disposed on the housing of the terminal device where the bracket or the antenna is located.
  • the terminal device further includes a parasitic unit printed on the PCB, on the same side of the first main antenna, with a gap between the first main antenna and connected to the ground line; or, the parasitic unit is disposed at the bracket or the antenna
  • the housing of the terminal device is on the same side as the second main antenna, and a gap is left between the second main antenna and the ground.
  • the first main antenna includes a feeding portion, the feeding portion is connected to the antenna feeding unit on the PCB, or the second main antenna includes a feeding portion, the feeding portion is connected to the antenna feeding unit, and the second main antenna includes each other a main segment of the second main antenna and a sub-segment of the second main antenna, the main segment of the second main antenna includes a feeding portion, and is connected to the antenna feeding unit and the first main antenna, and the sub-segment of the second main antenna The first main antenna is connected.
  • the above technical solution can make up for the limitation of the shortage of the wiring space in the antenna design by connecting the antenna printed on the PCB with the antenna disposed outside the PCB, and can significantly improve the utilization of the limited space when the antenna design is routed. . Therefore, the present invention has strong industrial applicability.

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Abstract

一种天线及终端设备，包括：印刷电路板（PCB）、第一主天线、第二主天线和连接组件，所述第一主天线印制在所述PCB上，所述第二主天线设置在所述PCB之外，通过所述连接组件与所述第一主天线电连接。上述技术方案通过将在PCB上印制的天线与在PCB之外设置的天线相连接的方式，弥补现有天线设计中走线空间不足的局限，能够显著提高天线设计走线时对有限空间的利用率。

Description

一种天线及终端设备
技术领域
本发明涉及天线及终端设备技术领域， 尤其涉及一种天线及终端设备。
背景技术
现今， 随着通信技术的发展和用户体验需求的不断拓展， 更大的屏幕和 更薄的外形正在成为手机外观发展的主流趋势。现有手机由于高带宽的需求， 一般釆用单极天线（monopole ) 的基本天线形式， 但由于这种形式的实现需 要相当的净空， 屏幕的投影区域便成为了设计天线的禁区。 换言之， 屏幕的 不断变大和键盘区的不断缩减使得天线在水平面上的设计空间不断压缩。 而 由于对更薄外形的追求， 纵向的设计空间也受到限制。 如何利用空间设计出 满足性能要求的天线已经成为天线设计必须面对的现实问题。 发明内容
本发明实施例要解决的技术问题是提供一种天线及终端设备， 能够在满 足天线性能的情况下， 大大降低占用的走线空间。
为解决上述技术问题， 釆用如下技术方案：
一种天线， 包括： 印刷电路板 (PCB)、 第一主天线、 第二主天线和连接 组件，所述第一主天线印制在所述 PCB上，所述第二主天线设置在所述 PCB 之外， 通过所述连接组件与所述第一主天线电连接。
可选地， 所述第二主天线设置在支架或天线所在终端设备的壳体上。 可选地， 所述寄生单元印制在所述 PCB上， 与所述第一主天线同侧， 与 所述第一主天线之间留有缝隙， 并连接到地线； 或者，
所述寄生单元设置在支架或天线所在终端设备的壳体上， 与所述第二主 天线同侧， 与所述第二主天线之间留有缝隙， 并连接到地线。
可选地， 所述第一主天线包括馈电部分， 所述馈电部分与所述 PCB上的 天线馈电单元相连接， 或者所述第二主天线包括馈电部分， 所述馈电部分与 所述天线馈电单元相连接。
可选地， 所述第二主天线包括相互独立的第二主天线的主段和第二主天 线的副段， 所述第二主天线的主段包含所述馈电部分， 与所述天线馈电单元 和第一主天线连接， 所述第二主天线的副段与所述第一主天线连接。
可选地， 所述第一主天线工作在高频部分， 所述第二主天线工作在低频 部分； 或者， 所述第一主天线工作在低频部分， 所述第二主天线工作在高频 部分。
一种终端设备， 包括： 终端壳体、 主板和天线， 所述主板和天线设置在 壳体中， 所述天线包括第一主天线、 第二主天线和连接组件， 所述第一主天 线印制在主板上， 所述第二主天线设置在所述主板之外， 通过所述连接组件 与所述第一主天线电连接。
可选地， 所述第二主天线设置在支架或天线所在终端设备的壳体上。 可选地， 该终端设备还包括寄生单元， 其中：
所述寄生单元印制在所述 PCB上， 与所述第一主天线同侧， 与所述第一 主天线之间留有缝隙， 并连接到地线； 或者，
所述寄生单元设置在支架或天线所在终端设备的壳体上， 与所述第二主 天线同侧， 与所述第二主天线之间留有缝隙， 并连接到地线。
可选地， 所述第一主天线包括馈电部分， 所述馈电部分与所述 PCB上的 天线馈电单元相连接， 或者所述第二主天线包括馈电部分， 所述馈电部分与 所述天线馈电单元相连接， 所述第二主天线包括相互独立的第二主天线的主 段和第二主天线的副段， 所述第二主天线的主段包含所述馈电部分， 与所述 天线馈电单元和第一主天线连接， 所述第二主天线的副段与所述第一主天线 连接。
综上所述， 上述技术方案通过将在 PCB上印制的天线与在 PCB之外设 置的天线相连接的方式， 弥补天线设计中走线空间不足的局限， 能够显著提 高天线设计走线时对有限空间的利用率。 附图概述
图 1为本发明实施例一的天线的结构图；
图 2为本发明实施例二的天线的结构图。 本发明的较佳实施方式
本实施方式提出了一种创新的天线结构， 包括主天线和寄生单元， 主天 线包含两个部分， 第一主天线和第二主天线， 第一主天线印制在 PCB上， 第 二主天线设置在 PCB之外， 通过连接组件与第一主天线电连接。 第一主天线 和第二主天线通过连接组件实现良好的电连接， 作为一个整体工作。
对于印制在 PCB上的第一主天线，其形成方式为直接金属化印制在 PCB 板一端的净空区中， 形状不限。
第一主天线可以直接与 PCB上的天线馈电单元相连接，也可以为若干段 不直接与 PCB上的天线馈电单元或地线相连的相对独立的金属部分。
第一主天线与第二主天线均可包含若干段， 在若干位置通过合适的方式 保持良好的电气化连接。 连接的位置可以根据需要设置在不同的地方。 连接 方式可以为釆用金属弹片结构、 金属 PIN脚形式或是其他具有相似功能的连 接方式。 当釆用金属弹片或是金属 PIN脚形式完成上述功能时， 第一主天线 与第一主天线必须预留表面露铜的连接位置。
第二主天线可以设置在支架上也可以直接设置在终端设备的壳体上， 可 以釆用金属弹片、 FPC材质、 LDS (激光蚀刻） 工艺或是其他满足上述要求 的力口工方式。
设置在 PCB之外的第二主天线可以直接与 PCB上的天线馈电单元相连 接， 也可以为不直接与地线或天线馈电单元相连接的相对独立的金属部分。
对于寄生单元可以釆用 PCB印制方式直接与 PCB地相连或是釆用非印 制方式设置在支架或是终端设备的壳体上，并与 PCB的地线保持良好电气化 连接。
为使本实施方式的技术特点和使用优点更加明确， 下面结合附图对该发 明进行进一步的详细描述。
实施例一：
图 1为本实施例的天线， 包括： 第一主天线 11、 第二主天线 12、 寄生单 元 2以及为保持第一主天线 11与第二主天线 12良好电连接的连接组件。 在 本实施方式中， 连接组件包括在第一主天线上设置的露铜区域 31 , 以及直接 与第二主天线 12集成在一起的金属弹片 32。 天线整体结构设置在 PCB 5上 的净空区 6中。
第一主天线 11包括馈电部分 4 , 馈电部分 4与第一主天线 11直接集成 在一起， 为第一主天线 11的一个组成区域。 第一主天线 11通过馈电部分 4 与天线馈电单元保持良好的电气化连接。 第一主天线 11为一印制在 PCB 5 的净空区 6中的一块规则形状金属区域。 主要工作在 1700MHz以上的高频 部分。 在第一主天线 11的左上角有一片矩形的露铜区域 31 , 其与弹脚 32共 同实现第一主天线 11与第二主天线 12之间的良好电气化连接。
第二主天线 12设置在一固有形状支架上，为金属材质。走线釆用折合的 蛇形线形式。第二主天线 12的走线一部分分布在支架的前方，另一部分则分 布在支架的上表面。第二主天线 12主要被设计为工作在覆盖 1GHz以下的低 频段部分。在第二主天线 12的左端，设置有一与第二主天线 12制作为一体， 也同为金属材质的弹片结构 32,该组件与设置在其正下方，与第一主天线 11 上的露铜区域 31共同实现第二主天线 12与第一主天线 11之间的良好电气化 连接。
寄生单元 2为直接印制在 PCB 5上的净空区 6中，与 PCB 5的地线直接 集成。 并与第一主天线 11之间留有缝隙 24。
在本实施方式中， 电信号由第一主天线 11中的馈电部分 4上馈入。一部 分直接馈入第一主天线 11上，形成工作在高频段的辐射； 另一部分经由设置 在第一主天线 11上的露铜部分 31和设置在第二主天线 12上的金属弹脚 32, 馈入第二主天线 12 , 形成工作在低频段的辐射。 同时， 由寄生单元 2完成对 第一主天线 11高频部分的进一步拓宽。 本实施例中的第二主天线 12 可以但不限于釆用在支架上进行金属弹片 走线的形式。 也可以为支架上进行 FPC走线， 可以为不借助支架而直接将走 线通过金属弹片、 FPC或是釆用 LDS工艺直接设计在背壳或是后壳上。也可 以是任何其他能够达到上述目的的设计形式。
本实施例中的连接组件， 即设置于第一主天线 11上的露铜部分 31 , 以 及与其对应的，设置在第二主天线 12上的金属弹脚 32,也可以使用金属 PIN 脚或是其他能够达到上述目的的搭配形式。
在本实施例中， 第一主天线 11与第二主天线 12的具体走线形式和工作 频段， 可以根据性能要求和调试需要进行调整。 只要体现 PCB与非 PCB天 线结合的形式， 都应属于受保护范畴内。
寄生单元 2可以根据适用情况和性能需求变更而决定是否添加。
实施例二：
图 2为本实施方式的天线，包括：第一主天线 11、第二主天线的主段 121、 第二主天线的副段 122、 寄生单元 2以及为保持第一主天线与第二主天线 12 良好电连接的连接组件。在本实施例中，连接组件包括第一主天线 11上设置 的露铜区域 31和 33 , 以及通过焊接方式与露铜区域良好电连接的用于与上 方的第二主天线 12相电连接的金属弹脚 32和 34。其中， 31与 32配合使用， 33和 34配合使用。 天线整体结构设置在 PCB5上的净空区 6中。
在本实施例中，第二主天线 12设置在支架上， 包括两个相对独立的金属 组件第二主天线的主段 121和第二主天线的副段 122,其中第二主天线 12的 主段 121通过馈电部分 4与 PCB上的天线馈电单元保持良好的电气化连接， 设计为工作在 1GHz以上的高频段。第二主天线 12的副段 122为一独立金属 片结构， 与第一主天线 11连接。
在本实施例中， 第一主天线 11釆用了蛇形线的走线方式， 设置在 PCB5 的净空区域 6中， 与第二主天线 12的主段 121连接。 在第一主天线 11的左 上角留有露铜区域 31。金属弹脚 32通过焊接的方式一端与露铜区 31保持良 好的电连接，另一端则与在其上方的第二主天线 12的主段 121保持良好的电 连接。 在第一主天线 11的右上角， 留有露铜区域 33。 金属弹脚 34通过焊接 的方式一端与露铜区 33保持良好的电连接。另一端则与在其上方的第二主天 线 12的副段 122保持良好的电连接。
在本实施例中， 寄生单元 2设置在支架上， 与第二主天线 12的主段 121 和第二主天线 12的副段 122处于同一平面，通过金属弹脚与 PCB5的地保持 良好的电气化连接。 寄生单元 2与第二主天线 12之间留有缝隙 24。
在本实施例中， 电信号由馈电部分 4馈入天线， 一部分进入第二主天线 12的主段 121 , 使其工作在 1GHz以上的高频部分。 另一部分通过由 31与 32构成的实现第二主天线 12的主段 121与第一主天线 11良好电连接的连接 组件， 馈入到第一主天线 11。 进而由第一主天线 11与第二主天线 12的副段 122共同构成主天线的低频辐射枝节， 完成在 1GHz以下的低频段辐射需求。 同时，由寄生单元 2完成对第二主天线 12的主段 121高频部分的进一步拓宽。
本实施例中的第二主天线 12 可以但不限于釆用支架上进行金属弹片走 线的形式。 其可以为支架上进行 FPC走线， 可以为不借助支架而直接将走线 通过金属弹片、 FPC或是釆用 LDS工艺直接设计在背壳或是后壳上。也可以 是任何其他能够达到上述目的的设计形式。
本实施例中的连接组件， 即设置于第一主天线 11上的露铜部分 31 , 以 及与其对应的， 设置在第二主天线 12的主段 121上的金属弹脚 32, 也可以 使用金属 PIN脚或是其他能够达到上述目的的搭配形式。
在本实施例中， 第一主天线 11与第二主天线 12的主段 121和第二主天 线 12的副段 122的具体走线形式和工作频段，可以根据性能要求和调试需要 进行调整。 只要体现 PCB与非 PCB天线结合的形式， 都应属于受保护范畴 内。
寄生单元 2以及第二主天线 12的副段 122组件，可以根据适用情况和性 能需求变更而决定是否添加。
本发明实施例还公开了一种终端设备， 包括： 终端壳体、 主板和天线， 主板和天线设置在壳体中， 天线包括第一主天线、 第二主天线和连接组件， 第一主天线印制在主板上， 第二主天线设置在主板之外， 通过连接组件与第 一主天线电连接。
第二主天线设置在支架或天线所在终端设备的壳体上。
终端设备还包括寄生单元，寄生单元印制在 PCB上，与第一主天线同侧， 与第一主天线之间留有缝隙， 并连接到地线； 或者， 寄生单元设置在支架或 天线所在终端设备的壳体上， 与第二主天线同侧， 与第二主天线之间留有缝 隙， 并连接到地线。
第一主天线包括馈电部分， 馈电部分与 PCB上的天线馈电单元相连接， 或者第二主天线包括馈电部分， 馈电部分与天线馈电单元相连接， 第二主天 线包括相互独立的第二主天线的主段和第二主天线的副段， 第二主天线的主 段包含馈电部分， 与天线馈电单元和第一主天线连接， 第二主天线的副段与 第一主天线连接。
当然， 本发明还可有其他多种实施例， 在不背离本发明精神及其实质的 但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
工业实用性
上述技术方案通过将在 PCB上印制的天线与在 PCB之外设置的天线相 连接的方式， 弥补天线设计中走线空间不足的局限， 能够显著提高天线设计 走线时对有限空间的利用率。 因此本发明具有很强的工业实用性。

Claims

权 利 要 求 书
1、 一种天线， 包括： 印刷电路板 (PCB)、 第一主天线、 第二主天线和连 接组件， 所述第一主天线印制在所述 PCB 上， 所述第二主天线设置在所述 PCB之外， 通过所述连接组件与所述第一主天线电连接。
2、 如权利要求 1 所述的天线， 其中， 所述第二主天线设置在支架或天 线所在终端设备的壳体上。
3、 如权利要求 2所述的天线， 该天线还包括寄生单元， 其中： 所述寄生单元印制在所述 PCB上， 与所述第一主天线同侧， 与所述第一 主天线之间留有缝隙， 并连接到地线； 或者， 所述寄生单元设置在支架或天线所在终端设备的壳体上， 与所述第二主 天线同侧， 与所述第二主天线之间留有缝隙， 并连接到地线。
4、 如权利要求 1 所述的天线， 其中， 所述第一主天线包括馈电部分， 所述馈电部分与所述 PCB上的天线馈电单元相连接，或者所述第二主天线包 括馈电部分， 所述馈电部分与所述天线馈电单元相连接。
5、 如权利要求 4 所述的天线， 其中， 所述第二主天线包括相互独立的 第二主天线的主段和第二主天线的副段， 所述第二主天线的主段包含所述馈 电部分， 与所述天线馈电单元和第一主天线连接， 所述第二主天线的副段与 所述第一主天线连接。
6、 如权利要求 2所述的天线， 其中， 所述第一主天线工作在高频部分， 所述第二主天线工作在低频部分； 或者， 所述第一主天线工作在低频部分， 所述第二主天线工作在高频部分。
7、 一种终端设备， 包括： 终端壳体、 主板和天线， 所述主板和天线设 置在壳体中， 所述天线包括第一主天线、 第二主天线和连接组件， 所述第一 主天线印制在主板上， 所述第二主天线设置在所述主板之外， 通过所述连接 组件与所述第一主天线电连接。
8、 如权利要求 7 所述的终端设备， 其中， 所述第二主天线设置在支架 或天线所在终端设备的壳体上。
9、 如权利要求 8所述的终端设备， 该终端设备还包括寄生单元， 其中： 所述寄生单元印制在所述 PCB上， 与所述第一主天线同侧， 与所述第一 主天线之间留有缝隙， 并连接到地线； 或者， 所述寄生单元设置在支架或天线所在终端设备的壳体上， 与所述第二主 天线同侧， 与所述第二主天线之间留有缝隙， 并连接到地线。
10、 如权利要求 7所述的终端设备， 其中， 所述第一主天线包括馈电部 分， 所述馈电部分与所述 PCB上的天线馈电单元相连接， 或者所述第二主天 线包括馈电部分， 所述馈电部分与所述天线馈电单元相连接， 所述第二主天 线包括相互独立的第二主天线的主段和第二主天线的副段， 所述第二主天线 的主段包含所述馈电部分， 与所述天线馈电单元和第一主天线连接， 所述第 二主天线的副段与所述第一主天线连接。
PCT/CN2013/078046 2012-07-11 2013-06-26 一种天线及终端设备 WO2013185654A1 (zh)

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