WO2017024666A1 - 组合天线系统及移动终端 - Google Patents

组合天线系统及移动终端 Download PDF

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Publication number
WO2017024666A1
WO2017024666A1 PCT/CN2015/091243 CN2015091243W WO2017024666A1 WO 2017024666 A1 WO2017024666 A1 WO 2017024666A1 CN 2015091243 W CN2015091243 W CN 2015091243W WO 2017024666 A1 WO2017024666 A1 WO 2017024666A1
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Prior art keywords
shell
antenna system
high frequency
side shell
combined antenna
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PCT/CN2015/091243
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English (en)
French (fr)
Inventor
姚德才
杨攀
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宇龙计算机通信科技(深圳)有限公司
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Publication of WO2017024666A1 publication Critical patent/WO2017024666A1/zh

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular to a combined antenna system and a mobile terminal having the combined antenna system.
  • a non-metal region is generally disposed on a large area of the metal back cover to reduce the interference of the signal, but the structure also correspondingly reduces the quality of the product, which is disadvantageous to product promotion;
  • a shrapnel is arranged on the inner side of the antenna system, and is directly fed into the metal back cover to achieve a large area coexistence with the metal, but the structure has the disadvantages such as fragile damage. The reliability of the antenna is reduced, and since the structure is not easy to adjust the resonant frequency of the antenna, the radiation efficiency of the product is greatly reduced.
  • Another object of the present invention is to provide a mobile terminal having the above combined antenna system.
  • an embodiment of the first aspect of the present invention provides a combined antenna system for use with a metal back shell of a mobile terminal, the metal back shell including a bottom plate and side plates and ends respectively connected to the bottom plate
  • the board in particular, the combined antenna system comprises: two stereo coupling antennas, respectively having a first metal trace capable of generating low frequency resonance and a second metal trace capable of generating high frequency resonance;
  • the body coupled antenna is connected to the radio frequency feed of the mobile terminal, and the stereo coupling antenna is located at an angle formed by the bottom plate, the side plate and the end plate, and the bottom plate and the end plate And a first gap, a second gap and a third gap respectively between the side plates, so that the stereo coupling antenna is simultaneously coupled with the bottom plate, the end plate and the side plate to feed.
  • the low frequency band refers to a frequency of 0.68 GHz to 1 GHz
  • the middle frequency band refers to a frequency of 1.5 GHz to 2.2 GHz
  • the high frequency band refers to a frequency of 2.2 GHz to 2.7 GHz.
  • the combined antenna system provided by the embodiment of the first aspect of the present invention utilizes a metal back shell as a radiation main body, thereby solving the problem of coexistence of a large area of the antenna and the metal, and utilizing the metal trace and the bottom plate, the end plate and the side of the metal back shell
  • the board performs coupling feeding, the feeding loss of the mode is small, and each frequency band of the high frequency of the stereo coupling antenna can be tuned by adjusting the size of the first gap and/or the second gap and/or the third gap, or the tuning is performed
  • the low frequency bands of the three-dimensional coupling antenna enable the product to have maximum radiation efficiency in both its high frequency band and low frequency band, so that the product can meet the performance requirements of various network standards of mobile terminals in the future.
  • the combined antenna system in the above embodiment provided by the present invention may further have the following additional technical features:
  • the metal back shell is provided with a first slit and a second slit, and the first slit and the second slit divide the metal back shell into a first side shell, a shell and a second side shell; wherein the two stereo coupling antennas are respectively located on the first side shell and the second side shell.
  • the two-dimensional coupling antennas of the middle shell and the two side-coupled antennas respectively use the first side shell and the second side shell as the radiation main body, which can reduce the loss of the signal of the whole body by the human hand and relatively improve the radiation efficiency thereof.
  • the structure can avoid the problem of mutual influence between the high frequency band and the low frequency band in the multi-frequency antenna, thereby improving the reliability of the whole machine.
  • the first side shell is located on an upper side of the middle shell
  • the second side shell is located on a lower side of the middle shell
  • the first metal trace that generates low frequency resonance is located One end of the second side shell.
  • the stereo coupling antenna on the first side of the shell dominates the high frequency operation
  • the stereo coupling antenna on the second side shell mainly dominates the low frequency operation. This design can reduce the influence of the human hand and the head on the signal when the mobile terminal performs the call function. .
  • the combined antenna system further comprises: a stereo coupling antenna, Located at the other end of the second side shell and having a third metal trace that produces intermediate frequency resonance.
  • the combined antenna system further comprises: a stereo coupling antenna located on the first side shell and having a fourth metal trace capable of generating high frequency resonance.
  • a central portion of the first side shell is provided with a grounding point, and a distance between two of the stereo coupling antennas on the first side shell and the grounding point may be changed to be tuned;
  • a middle portion of the second side shell is provided with a grounding point, and a distance between two of the stereo coupling antennas on the second side shell and the grounding point may be changed to be tuned.
  • the middle case is respectively connected with the plurality of connecting portions between the first side shell and the second side shell, and the plurality of connecting portions will be the first slit and
  • the second slot is divided into a plurality of sub-slits; wherein a length of the sub-slot corresponding to the stereo coupling antenna can be changed to be tuned.
  • the sub-slit corresponding to the stereo coupling antenna has a length of 10 mm to 30 mm.
  • the length of the sub-slot opposite to the stereocoupled antenna is controlled to be 10 mm to 30 mm so that it tunes the intermediate frequency portion of the stereocoupled antenna.
  • the second metal trace that generates high frequency resonance includes a first high frequency branch and a second high frequency branch, and the first high frequency branch and the second high frequency branch There is a coupling gap that couples the first high frequency branch to the second high frequency branch and produces high frequency resonance.
  • the stereo coupling antenna simultaneously covers a plurality of frequency bands of the high frequency, and at the same time, the first high frequency branch and the second high frequency branch coupling portion
  • the stereo coupling antenna can be further tuned by adjusting the coupling gap.
  • FIG. 1 is a schematic view showing a structure of a metal back shell and a combined antenna system according to an embodiment of the present invention
  • first side shell 110 first side shell, 111 bottom plate, 112 end plate, 113 side plate, 120 middle shell, 130 second side shell, 210 first slit, 211 sub slit, 212 joint, 220 second slit, 330 first metal walk Line, 310 second metal trace, 311 first high frequency branch, 312 second high frequency branch, 320 third metal trace, 340 fourth metal trace.
  • FIGS. 1 through 3 A combined antenna system in accordance with some embodiments of the present invention is described below with reference to FIGS. 1 through 3.
  • the low frequency band referred to in the present scheme refers to a frequency ranging from 0.68 GHz to 1 GHz.
  • the frequency band refers to a frequency between 1.5 GHz and 2.2 GHz, and the high frequency band refers to a frequency between 2.2 GHz and 2.7 GHz.
  • the feeding loss of the mode is small, and the stereo coupling antenna can be tuned by adjusting the width s1 of the first gap and/or the width s2 of the second gap and/or the width s2 of the third gap
  • the metal back shell is provided with a first slit 210 and a second slit 220, and the first slit 210 and the second slit 220 divide the metal back shell into the first side.
  • the stereo coupling antenna on the first side shell 110 dominates the high frequency operation
  • the stereo coupling antenna on the second side shell 130 mainly dominates the low frequency operation
  • the design can reduce the human hand when the mobile terminal performs the call function. And the effect of the head on the signal.
  • the middle portion of the first side shell 110 is provided with a grounding point, and the distance between the two stereo coupling antennas on the first side shell 110 and the grounding point can be changed to be tuned; and the second side shell 130 The middle portion is provided with a grounding point, and the distance between the two stereo coupling antennas on the second side casing 130 and the grounding point can be changed to be tuned.
  • the relative positions of the grounding points on the first side shell 110 and the second side shell 130 are set to change the distance between the stereo coupling antenna and the grounding point, thereby respectively tuning the high frequency of the stereo coupling antenna.
  • the intermediate frequency and the low frequency part therefore, the configuration of the structure further improves the flexibility of the stereo coupling antenna tuning in the present scheme, thereby relatively weakening the influence of the processing error of the metal back shell on the whole machine signal.
  • a plurality of connecting portions 212 are connected between the first side shell 110 and the second side shell 130, and the plurality of connecting portions 212 are connected to the middle shell 120 and the second side shell 130, respectively.
  • the first slit 210 and the second slit 220 are separated into a plurality of sub-slits 211; wherein the length of the sub-slit 211 corresponding to the stereo-coupled antenna can be changed to be tuned.
  • the intermediate frequency and high-frequency portions of the stereo coupling antenna are tuned.
  • the length s5 of the sub-slit 211 corresponding to the stereoscopic coupling antenna is 10 mm to 30 mm.
  • the length s5 of the sub-slit 211 opposite to the stereo coupling antenna is controlled to be 10 mm to 30 mm so as to tune the intermediate frequency portion and the high frequency portion of the stereo coupling antenna.
  • the second metal trace 310 that generates high frequency resonance includes a first high frequency branch 311 and a second high frequency branch 312, and the first high frequency branch 311 and the first The two high frequency branches 312 have a coupling gap therebetween to couple the first high frequency branch 311 with the second high frequency branch 312 and generate high frequency resonance.
  • the stereo coupling antenna simultaneously covers a plurality of frequency bands of the high frequency, and at the same time, the first high frequency branch 311 and the second high frequency
  • the coupling portion of the branch 312 can be further tuned to the stereo coupling antenna by adjusting the width s41 of the coupling gap and/or the width s42 of the coupling gap.
  • the combined antenna system includes: four stereo coupling antennas covering the high frequency band, the high frequency band, the middle frequency band, and the low frequency band respectively, wherein the two stereo coupling antennas covering the high frequency band are respectively located at the first The two ends of the side shell 110, the stereo coupling antenna covering the middle frequency band and the stereo coupling antenna covering the low frequency band are respectively located at two ends of the second side shell 130.
  • the second metal trace 310 and the fourth metal trace 340 which generate high frequency resonance are respectively located at both ends of the first side shell 110, generating the first metal trace 330 of low frequency resonance and generating intermediate frequency resonance.
  • the third metal traces 320 are respectively located at two ends of the second side shell 130; the structure is used to achieve coverage of the product center frequency band, the low frequency band and the high frequency band, and the high frequency band and the middle frequency band of the multi-frequency antenna can be avoided.
  • the problem of mutual influence between low frequency bands in addition, by tuning the stereo coupling antenna separately, the products have the maximum radiation efficiency in the low frequency band, the middle frequency band and the high frequency band, so that the product can satisfy various network standards of future mobile terminals. Performance requirements.
  • An embodiment of the second aspect of the present invention provides a mobile terminal (not shown) including the combined antenna system described in any of the above embodiments.
  • the mobile terminal provided by the embodiment of the second aspect of the present invention has all the beneficial effects of the combined antenna system by providing the combined antenna system described in any of the above embodiments, and details are not described herein again.
  • the combined antenna system utilizes a metal back shell as a radiation main body to solve the problem of coexistence of a large area of the antenna and the metal, and utilizes the metal trace and the bottom plate, the end plate and the side plate of the metal back shell.
  • Coupling feeding, the feeding loss of the mode is small, and each frequency band of the high frequency of the stereo coupling antenna can be tuned by adjusting the size of the first gap and/or the second gap and/or the third gap, or the stereo is tuned Coupling the low frequency bands of the antenna, so that the product has the largest radiation efficiency in its high frequency band and low frequency band, so that the product can meet the performance requirements of various network standards of mobile terminals in the future.

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Abstract

本发明提供了一种组合天线系统及移动终端,该组合天线系统与移动终端的金属后壳配合使用,其中,金属后壳包括底板和分别与底板连接的侧板和端板,组合天线系统包括:两个立体耦合天线,分别具有可产生低频谐振的第一金属走线和可产生高频谐振的第二金属走线;立体耦合天线与移动终端的射频馈源连接,且立体耦合天线位于底板、侧板和端板构成的夹角处,并与底板、端板和侧板之间分别具有第一间隙、第二间隙和第三间隙,使立体耦合天线同时与底板、端板和侧板耦合馈电;本发明提供的组合天线系统,可适用于金属后壳,并通过结构设计以使产品对各个频段的调谐灵活方便,从而减小产品的辐射损失,使其可满足未来移动终端各种网络制式的性能需求。

Description

组合天线系统及移动终端 技术领域
本发明涉及无线通信技术领域,具体而言,涉及一种组合天线系统及具有该组合天线系统的移动终端。
背景技术
在手机、平板电脑等移动终端设备行业中,随着用户对产品的外观和手感的体验要求不断提高,使得具有的良好触感和优异的耐磨性能金属装饰类移动产品成为该行业中的消费主流,但是,由于金属后壳和金属边框等装饰所特有的屏蔽性能会严重降低天线的使用可靠性,故而,在顺应产品发展趋势的同时,对各大厂商在天线的设计上提出了更高的要求。
为解决该技术问题,现有技术中通常在金属后盖上大面积设置非金属区域来降低其对信号的干扰,但该结构也相应地降低了产品的品质,不利于产品推广;现有技术的另一种方案中,在天线系统的里侧设置弹片,并采用直接馈入的方式使之与金属后盖匹配以实现其与金属大面积共存,但该结构存在弹片易损等不良因素,造成天线的可靠性降低,且由于该结构不易于调整天线的谐振频率,从而极大地降低了产品辐射效率。
发明内容
为了解决上述技术问题至少之一,本发明的一个目的在于提供可匹配金属后壳,且辐射效率高的组合天线系统。
本发明的另一个目的在于提供一种具有上述组合天线系统的移动终端。
为实现上述目的,本发明第一方面的实施例提供了一种组合天线系统,与移动终端的金属后壳配合使用,所述金属后壳包括底板和分别与所述底板连接的侧板和端板,具体地,所述组合天线系统包括:两个立体耦合天线,分别具有可产生低频谐振的第一金属走线和可产生高频谐振的第二金属走线;所述立 体耦合天线与所述移动终端的射频馈源连接,且所述立体耦合天线位于所述底板、所述侧板和所述端板构成的夹角处,并与所述底板、所述端板和所述侧板之间分别具有第一间隙、第二间隙和第三间隙,使所述立体耦合天线同时与所述底板、所述端板和所述侧板耦合馈电。
值得说明的是,本方案中所述低频段指代频率在0.68GHz~1GHz,所述中频段指代频率在1.5GHz~2.2GHz,所述高频段指代频率在2.2GHz~2.7GHz。
本发明第一方面的实施例提供的组合天线系统,利用金属后壳作为辐射主体,以此解决天线与金属大面积共存的问题,并利用金属走线与金属后壳的底板、端板和侧板进行耦合馈电,该方式的馈电损失小,且通过调节第一间隙和/或第二间隙和/或第三间隙的大小可调谐该立体耦合天线的高频的各个频段,或调谐该立体耦合天线的低频的各个频段,以此使得产品在其高频段和低频段上均具有最大的辐射效率,从而使产品满足未来移动终端各种网络制式的性能需求。
另外,本发明提供的上述实施例中的组合天线系统还可以具有如下附加技术特征:
根据本发明的一个实施例,所述金属后壳上设置有第一缝隙和第二缝隙,且所述第一缝隙和所述第二缝隙将所述金属后壳划分为第一边壳、中壳和第二边壳;其中,两个所述立体耦合天线分别位于所述第一边壳和所述第二边壳上。
本方案中,中壳主地,两个立体耦合天线分别以第一边壳和第二边壳作为辐射主体,这可降低人体手部对整机信号的损耗,相对提高其辐射效率,此外,该结构可避免多频天线中高频段与低频段之间相互影响的问题,从而提高整机的可靠性。
根据本发明的一个实施例,所述第一边壳位于所述中壳的上侧,所述第二边壳位于所述中壳的下侧;产生低频谐振的所述第一金属走线位于所述第二边壳的一端。
第一边壳上的立体耦合天线主导高频工作,第二边壳上的立体耦合天线主要主导低频工作,通过此设计可降低移动终端执行通话功能时的人体手部和头部对信号的影响。
根据本发明的一个实施例,所述组合天线系统还包括:一个立体耦合天线, 位于所述第二边壳的另一端,并具有可产生中频谐振的第三金属走线。
根据本发明的一个实施例,所述组合天线系统还包括:一个立体耦合天线,位于所述第一边壳上,并具有可产生高频谐振的第四金属走线。
根据本发明的一个实施例,所述第一边壳的中部设置有接地点,所述第一边壳上的两个所述立体耦合天线与所述接地点的间距可以被改变以调谐;和所述第二边壳的中部设置有接地点,所述第二边壳上的两个所述立体耦合天线与所述接地点的间距可以被改变以调谐。
根据本发明的一个实施例,所述中壳分别与所述第一边壳和所述第二边壳之间连接有多个连接部,且多个所述连接部将所述第一缝隙和所述第二缝隙分隔为多个子缝隙;其中,与所述立体耦合天线相对应的所述子缝隙的长度可以被改变以调谐。
根据本发明的一个实施例,与所述立体耦合天线相对应的所述子缝隙的长度为10mm~30mm。
控制与立体耦合天线相对的该子缝隙的长度为10mm~30mm,以使其调谐立体耦合天线的中频部分。
根据本发明的一个实施例,产生高频谐振的所述第二金属走线包括第一高频分支和第二高频分支,且所述第一高频分支与所述第二高频分支之间具有耦合间隙,使所述第一高频分支与第二高频分支相耦合并产生高频谐振。
该结构中,通过控制第一高频分支和第二高频分支的电长度,以使立体耦合天线同时覆盖高频的多个频段,同时,第一高频分支和第二高频分支耦合部分可通过调节该耦合间隙以进一步对该立体耦合天线调谐。
本发明第二方面的实施例提供了一种移动终端,包括有上述任一项实施例中所述的组合天线系统。
本发明第二方面的实施例提供的移动终端,通过设置上述任一项实施例中所述的组合天线系统,从而具有所述组合天线系统所具有的一切有益效果,在此不再赘述。
本发明的附加方面和优点将在下面的描述部分中变得明显,或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解,其中:
图1是本发明一个实施例所述金属后壳与组合天线系统配合结构示意图;
图2是图1中所示A部的放大结构示意图;
图3是本发明所述金属走线与第一边壳的位置关系示意图。
其中,图1至图3中的附图标记与部件名称之间的对应关系为:
110第一边壳,111底板,112端板,113侧板,120中壳,130第二边壳,210第一缝隙,211子缝隙,212连接部,220第二缝隙,330第一金属走线,310第二金属走线,311第一高频分支,312第二高频分支,320第三金属走线,340第四金属走线。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点,下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是,在不冲突的情况下,本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明,但是,本发明还可以采用其他不同于在此描述的其他方式来实施,因此,本发明的保护范围并不受下面公开的具体实施例的限制。
下面参照图1至图3描述根据本发明一些实施例所述组合天线系统。
如图1至3所示,本发明第一方面的实施例提供了一种组合天线系统,与移动终端的金属后壳配合使用,金属后壳包括底板111和分别与底板111连接的侧板113和端板112,具体地,组合天线系统包括:两个立体耦合天线,分别具有可产生低频谐振的第一金属走线330和可产生高频谐振的第二金属走线310;立体耦合天线与移动终端的射频馈源连接,且立体耦合天线位于底板111、侧板113和端板112构成的夹角处,并与底板111、端板112和侧板113之间分别具有第一间隙、第二间隙和第三间隙,使立体耦合天线同时与底板111、端板112和侧板113耦合馈电。
值得说明的是,本方案中所述低频段指代频率在0.68GHz~1GHz,所述中 频段指代频率在1.5GHz~2.2GHz,所述高频段指代频率在2.2GHz~2.7GHz。
本发明第一方面的实施例提供的组合天线系统,利用金属后壳作为辐射主体,以此解决天线与金属大面积共存的问题,并利用金属走线与金属后壳的底板111、端板112和侧板113进行耦合馈电,该方式的馈电损失小,且通过调节第一间隙的宽度s1和/或第二间隙的宽度s2和/或第三间隙的宽度s2可调谐该立体耦合天线的高频的各个频段,或调谐该立体耦合天线的低频的各个频段,以此使得产品在其高频段和低频段上均具有最大的辐射效率,从而使产品满足未来移动终端各种网络制式的性能需求。
在本发明的一个实施例中,如图1所示,金属后壳上设置有第一缝隙210和第二缝隙220,且第一缝隙210和第二缝隙220将金属后壳划分为第一边壳110、中壳120和第二边壳130;其中,两个立体耦合天线分别位于第一边壳110和第二边壳130上。
本方案中,中壳120主地,两个立体耦合天线分别以第一边壳110和第二边壳130作为辐射主体,这可降低人体手部对整机信号的损耗,相对提高其辐射效率,此外,该结构可避免多频天线中高频段与低频段之间相互影响的问题,从而提高整体的可靠性。
在本发明的一个实施例中,如图1所示,优选地,第一边壳110位于中壳120的上侧,第二边壳130位于中壳120的下侧;产生低频谐振的第一金属走线330位于第二边壳130的一端;相应地,产生高频谐振的第二金属走线310位于第一边壳110的一端。
该实施例中,第一边壳110上的立体耦合天线主导高频工作,第二边壳130上的立体耦合天线主要主导低频工作,通过此设计可降低移动终端执行通话功能时的人体手部和头部对信号的影响。
在本发明的一个实施例中,第一边壳110的中部设置有接地点,第一边壳110上的两个立体耦合天线与接地点的间距可以被改变以调谐;和第二边壳130的中部设置有接地点,第二边壳130上的两个立体耦合天线与接地点的间距可以被改变以调谐。
该结构中通过设置接地点在第一边壳110和第二边壳130上的相对位置,以改变立体耦合天线与接地点的间距,从而分别调谐该立体耦合天线的高频、 中频和低频部分,故而,该结构的设置进一步提高了本方案中立体耦合天线调谐的灵活性,从而相对削弱了由金属后壳的加工误差对整机信号造成的影响。
在本发明的一个实施例中,如图1和图2所示,中壳120分别与第一边壳110和第二边壳130之间连接有多个连接部212,且多个连接部212将第一缝隙210和第二缝隙220分隔为多个子缝隙211;其中,与立体耦合天线相对应的子缝隙211的长度可以被改变以调谐。
该结构中通过设置连接部212在第一缝隙210和/或第二缝隙220中的位置,进而控制子缝隙211的长度s5,实现调谐立体耦合天线的中频和高频部分。
在本发明的一个实施例中,如图2所示,与立体耦合天线相对应的子缝隙211的长度s5为10mm~30mm。
控制与立体耦合天线相对的该子缝隙211的长度s5为10mm~30mm,以使其调谐立体耦合天线的中频部分和高频部分。
在本发明的一个实施例中,如图2所示,产生高频谐振的第二金属走线310包括第一高频分支311和第二高频分支312,且第一高频分支311与第二高频分支312之间具有耦合间隙,使第一高频分支311与第二高频分支312相耦合并产生高频谐振。
该结构中,通过控制第一高频分支311和第二高频分支312的电长度,以使立体耦合天线同时覆盖高频的多个频段,同时,第一高频分支311和第二高频分支312耦合部分可通过调节该耦合间隙的宽度s41和/或耦合间隙的宽度s42以进一步对该立体耦合天线调谐。
在本发明的一个具体实施例中,组合天线系统包括:四个立体耦合天线,分别覆盖高频段、高频段、中频段和低频段,其中,覆盖高频段的两个立体耦合天线分别位于第一边壳110的两端,覆盖中频段的立体耦合天线和覆盖低频段的立体耦合天线分别位于第二边壳130的两端。
即如图1所示,产生高频谐振的第二金属走线310和第四金属走线340分别位于第一边壳110的两端,产生低频谐振的第一金属走线330和产生中频谐振的第三金属走线320分别位于第二边壳130的两端;通过该结构以实现产品对中频段、低频段和高频段的覆盖,并可避免多频天线中高频段与中频段和 低频段之间相互影响的问题;此外,通过分别对立体耦合天线调谐,以使产品在低频段、中频段和高频段上均具有最大的辐射效率,从而使产品满足未来移动终端各种网络制式的性能需求。
本发明第二方面的实施例提供了一种移动终端(图中未示出),包括有上述任一项实施例中所述的组合天线系统。
本发明第二方面的实施例提供的移动终端,通过设置上述任一项实施例中所述的组合天线系统,从而具有所述组合天线系统所具有的一切有益效果,在此不再赘述。
综上所述,本发明提供的组合天线系统,利用金属后壳作为辐射主体,以此解决天线与金属大面积共存的问题,并利用金属走线与金属后壳的底板、端板和侧板进行耦合馈电,该方式的馈电损失小,且通过调节第一间隙和/或第二间隙和/或第三间隙的大小可调谐该立体耦合天线的高频的各个频段,或调谐该立体耦合天线的低频的各个频段,以此使得产品在其高频段和低频段上均具有最大的辐射效率,从而使产品满足未来移动终端各种网络制式的性能需求。
在本发明中,术语“第一”、“第二”、“第三”、“第四”仅用于描述的目的,而不能理解为指示或暗示相对重要性;术语“设置”、“连接”等术语均应做广义理解,例如,“连接”可以是为满足电流交互或信号交互的直接相连,也可以通过中间媒介间接相连。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本发明中的具体含义。
本发明的描述中,需要理解的是,术语“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或单元必须具有特定的方向、以特定的方位构造和操作,因此,不能理解为对本发明的限制。
在本说明书的描述中,术语“一个实施例”、“具体实施例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或实例。而且,描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种组合天线系统,与移动终端的金属后壳配合使用,所述金属后壳包括底板和分别与所述底板连接的侧板和端板,其特征在于,所述组合天线系统包括:
    两个立体耦合天线,分别具有可产生低频谐振的第一金属走线和可产生高频谐振的第二金属走线;
    所述立体耦合天线与所述移动终端的射频馈源连接,且所述立体耦合天线位于所述底板、所述侧板和所述端板构成的夹角处,并与所述底板、所述端板和所述侧板之间分别具有第一间隙、第二间隙和第三间隙,使所述立体耦合天线同时与所述底板、所述端板和所述侧板耦合馈电。
  2. 根据权利要求1所述的组合天线系统,其特征在于,所述金属后壳上设置有第一缝隙和第二缝隙,且所述第一缝隙和所述第二缝隙将所述金属后壳划分为第一边壳、中壳和第二边壳;
    其中,两个所述立体耦合天线分别位于所述第一边壳和所述第二边壳上。
  3. 根据权利要求2所述的组合天线系统,其特征在于,
    所述第一边壳位于所述中壳的上侧,所述第二边壳位于所述中壳的下侧;
    产生低频谐振的所述第一金属走线位于所述第二边壳的一端。
  4. 根据权利要求3所述的组合天线系统,其特征在于,还包括:
    一个立体耦合天线,位于所述第二边壳的另一端,并具有可产生中频谐振的第三金属走线。
  5. 根据权利要求4所述的组合天线系统,其特征在于,还包括:
    一个立体耦合天线,位于所述第一边壳上,并具有可产生高频谐振的第四金属走线。
  6. 根据权利要求5所述的组合天线系统,其特征在于,
    所述第一边壳的中部设置有接地点,所述第一边壳上的两个所述立体耦合天线与所述接地点的间距可以被改变以调谐;和
    所述第二边壳的中部设置有接地点,所述第二边壳上的两个所述立体耦合 天线与所述接地点的间距可以被改变以调谐。
  7. 根据权利要求2至6中任一项所述的组合天线系统,其特征在于,
    所述中壳分别与所述第一边壳和所述第二边壳之间连接有多个连接部,且多个所述连接部将所述第一缝隙和所述第二缝隙分隔为多个子缝隙;
    其中,与所述立体耦合天线相对应的所述子缝隙的长度可以被改变以调谐。
  8. 根据权利要求7所述的组合天线系统,其特征在于,
    与所述立体耦合天线相对应的所述子缝隙的长度为10mm~30mm。
  9. 根据权利要求1至6中任一项所述的组合天线系统,其特征在于,
    产生高频谐振的所述第二金属走线包括第一高频分支和第二高频分支,且所述第一高频分支与所述第二高频分支之间具有耦合间隙,使所述第一高频分支与第二高频分支相耦合并产生高频谐振。
  10. 一种移动终端,其特征在于,包括有如权利要求1至9中任一项所述的组合天线系统。
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