CN103236583B - An enhanced bandwidth of the new metal frame antenna lte - Google Patents

An enhanced bandwidth of the new metal frame antenna lte Download PDF

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Publication number
CN103236583B
CN103236583B CN201310147544.6A CN201310147544A CN103236583B CN 103236583 B CN103236583 B CN 103236583B CN 201310147544 A CN201310147544 A CN 201310147544A CN 103236583 B CN103236583 B CN 103236583B
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portion
metal frame
antenna
connected
electrical
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CN201310147544.6A
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CN103236583A (en
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尹海杰
何其娟
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上海安费诺永亿通讯电子有限公司
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Abstract

本发明提供了一种增强带宽的新型LTE金属框天线,包括手持终端的PCB板和与PCB板的边缘处相连的金属外框,还包括天线部分以及与天线部分相连的电气部分,天线部分位于PCB板上设置的净空区内并与PCB板相连,天线部分主要包括金属边框、馈电部分、接地部分、回路辐射部分和接地点电气连接部分;电气部分内主要包括具有通断射频信号的电气连接件和电抗器件,电气连接件内部存在射频接地端用于与PCB板相连接地,且电气连接件与一移动终端信号相连从而控制电气连接件的通断。 The present invention provides a novel enhanced bandwidth LTE metal frame antenna comprises a metal frame attached to the edge of the handheld terminal, and the PCB to the PCB, further comprising an antenna portion and a portion electrically connected to the antenna portion, the antenna portion is located clearance zone provided on the PCB and the PCB is connected to the main antenna portion comprises a metal frame, a feeding portion, the grounding portion, and the ground loop radiating portion electrically connecting portion; the electrical part includes a main on-off electric RF signal and a reactance element connected devices, the presence of internal electrical connections for the radio frequency ground terminal in connection with the PCB, and the electrical connections connected to the mobile terminal a signal to control on-off of the electrical connector. 本发明提供的一种增强带宽的新型LTE金属框天线,有效利用部分金属外框和加入电气连接件,通过控制电气连接件的通断从而实现增强带宽的效果,能覆盖GSM,UMTS,LTE多个频段。 An enhanced bandwidth LTE novel metal frame antenna of the present invention provides effective use of part of the metal frame and the electrical connections were added, thereby achieving enhanced bandwidth control on and off the effect of the electrical connector, to cover GSM, UMTS, LTE Multi bands.

Description

一种増强带宽的新型LTE金属框天线 Zo one kind of strong metal frame antenna bandwidth new LTE

技术领域 FIELD

[0001]本发明涉及手机天线的设计技术领域,尤其涉及一种增强带宽的新型LTE金属框天线。 [0001] The present invention relates to a mobile phone antenna design techniques, and in particular relates to an enhanced bandwidth LTE novel metal frame antenna.

背景技术 Background technique

[0002]小型化多频段内置天线一直是手持通信终端天线的发展方向。 [0002] The multi band internal antenna miniaturization always handheld communication terminal antenna direction. 已有的天线形式包括多频单极子天线(monopole antenna),单环或双环天线(single loop and dual loopantenna),倒置折叠天线(IFA),平面倒置折叠天线(PIFA)。 The antenna comprises a conventional form of multi-frequency monopole antenna (monopole antenna), a monocyclic or bicyclic antenna (single loop and dual loopantenna), an inverted folded antenna (IFA), planar inverted folded antenna (PIFA). 这些天线类型在不同的手持通信终端环境中各有其使用的条件和性能。 These different types of antennas of handheld communication terminal environment has its own performance and conditions of use. 根据不同的要求可以选择不同的天线形式。 You may be selected according to different requirements of different forms of antennas.

[0003] 通常移动终端设备包括GSM850/900,DCS,PCS,UMTS,其频率范围0.824GHz- [0003] The mobile terminal device generally includes a GSM850 / 900, DCS, PCS, UMTS, the frequency range 0.824GHz-

0.96GHz,1.71GHz-2.17GHz。 0.96GHz, 1.71GHz-2.17GHz. 随着LTE技术的不断发展,3.5GHz,4GHz备受关注。 With the continuous development of LTE technology, 3.5GHz, 4GHz concern. 愈来愈多的手机需要天线同时满足传统的2G网络频段和LTE频段,但手机的厚度越来越薄,对天线设计要求也越来越高,传统天线难以达到客户的要求。 More and more mobile phone antenna needs to meet the traditional 2G network band and LTE frequency band, but the thinner the thickness of the phone, the antenna design requirements have become more sophisticated, the conventional antenna is difficult to meet customer requirements. 手机等移动终端的发展越来越多样化。 The development of mobile phones and other mobile terminals become more diverse. Iphone系列手机从4系列到iphone 5都大胆地使用了部分手机金属结构件作为天线的一部分参与福射。 Iphone series phone series from 4 to bold iphone 5 are partially used as part of the metal structure of the mobile phone antenna radio participation blessing. 但iphone 4为金属环天线,iphone 5为动态金属环天线。 However, a metal loop antenna iphone 4, iphone 5 metal dynamic loop antenna. 金属结构件参与天线设计,有利于进一步利用有限空间,缩减尺寸。 Metal structures involved in antenna design, conducive to the further use of limited space, downsizing.

发明内容 SUMMARY

[0004]本发明旨在提供一种增强带宽的新型LTE金属框天线,该天线有效利用部分金属外框,并加入电气连接件实现宽带特点,能覆盖GSM,UMTSjLTE多个频段。 [0004] The present invention aims to provide an enhanced bandwidth of the new LTE metal frame antenna which effective use of portions of the metal frame, and electrical connections join broadband characteristics can cover GSM, UMTSjLTE plurality of frequency bands.

[0005]本发明为一种增强带宽的新型LTE金属框天线,其特征在于,包括手持终端的PCB板和与所述PCB板的边缘相连的金属外框,所述PCB板的一端设置有净空区,所述金属外框的两端分别延伸至所述PCB板的净空区内;所述增强带宽的新型LTE金属框天线还包括天线部分以及与所述天线部分相连的电气部分,所述天线部分位于所述PCB板的净空区内并与所述PCB板相连,所述电气部分接地且所述电气部分与一移动终端信号相连,所述移动终端信号控制所述电气部分是否接地;其中,所述天线部分包括: [0005] The present invention is a novel enhanced bandwidth LTE metal frame antenna, wherein the handheld terminal comprises a PCB board and the metal frame and the edge of the PCB connected to an end of the PCB is provided with a clearance both ends of the metal outer frame region extending into the clearance area of ​​the PCB; enhanced bandwidth of the new LTE metal frame further comprises an antenna portion and the antenna portion electrically connected to said antenna portion, said antenna portion of the PCB is located and the clearance area is connected to the PCB, and the electrical portion of the ground portion of the electrical signal is connected to a mobile terminal, whether the mobile terminal portions of the electrical control signal to ground; wherein, the antenna section comprises:

[0006]金属边框,位于PCB板的净空区内,且所述金属边框的两端分别与所述金属外框的两端形成第一缝隙和第二缝隙; [0006] the metal frame, positioned in the clearance area of ​​the PCB, and both ends of the metal frame are formed with first and second slits of the two ends of the metal frame;

[0007]馈电部分,与一馈源信号端相连; [0007] The feeding portion, and a signal feed terminal is connected;

[0008]接地部分,接地且与所述PCB板相连; [0008] The ground portion, and connected to a ground of the PCB;

[0009]回路辐射部分,与所述馈电部分及所述接地部分相连,且位于所述馈电部分与所述接地部分之间,所述回路辐射部分还与所述金属边框相连; [0009] Radiation circuit section, the electrical portion and the ground portion is connected to the feed, and the feeding portion is located between said ground portion, said circuit further radiating portion connected to the metal frame;

[0010]接地点电气连接部分,用于连接所述回路辐射部分与所述电气部分。 [0010] ground point electrically connecting portion for connecting the radiating portion and said portion of said electrical circuit.

[0011 ] 一些实施例中,所述天线部分还包括接地寄生辐射片,所述接地寄生辐射片位于所述第一缝隙处并与所述金属外框的一端相连,用于优化谐振频率。 [0011] In some embodiments, the antenna further comprising a ground portion spurious radiation plate, the grounding plate positioned spurious radiation at said first slot and connected to one end of the metal outer frame, to optimize the resonant frequency.

[0012] —些实施例中,所述回路辐射部分包括回路辐射第一部分、回路辐射第二部分、回路辐射第三部分和回路辐射第四部分,其中所述回路辐射第二部分通过所述回路辐射第一部分与所述馈电部分相连,所述回路辐射第二部分通过所述回路辐射第三部分与所述金属边框相连,且所述回路辐射第二部分与所述金属边框相对形成第三缝隙,所述回路辐射第二部分通过所述回路辐射第四部分与所述接地部分相连。 [0012] - in some embodiments, the radiating portion comprises a first circuit loop radiating portion, a second portion of the radiation circuit, the third circuit portion of the circuit and the radiation radiating fourth portion, wherein the second portion of the radiation circuit through the circuit first radiating portion connected to the power feeding portion, the second portion of the radiation circuit connected to the metal frame by a third portion of the radiation circuit, and the circuit portion and the second radiating metal frame is formed opposite the third slot, the second portion of the radiation circuit connected to the fourth portion of the radiation through the circuit to the ground portion.

[0013] —些实施例中,所述回路辐射部分还包括回路辐射第五部分,所述回路辐射第五部分位于所述第二缝隙处并与所述金属边框相连,用于优化谐振频率。 [0013] - in some embodiments, the circuit further comprises a loop radiating portion radiating fifth portion, the said second circuit positioned at a slot radiating portion and connected to the fifth metal frame, to optimize the resonant frequency.

[0014] —些实施例中,所述回路辐射第二部分通过所述接地点电气连接部分与所述电气部分连接。 [0014] - in some embodiments, the radiation of the second circuit portion electrically connected to the electrical connection portion by said portion ground point.

[0015] —些实施例中,所述电气部分包括电气连接件,所述电气连接件为具有通断射频信号的器件,所述电气连接件的内部设置有射频接地端用于接地,所述电气连接件上还设有控制接口,用于与所述移动终端信号相连,所述移动终端信号控制所述电气连接件的通断。 [0015] - in some embodiments, the electrical part comprising electrical connector, said electrical connector member having means off a radio frequency signal, said internal electrical connector is provided with a radio frequency ground terminal for grounding, the the electrical connector further provided with a control interface for a mobile terminal connected to the signal, the mobile terminal signal for controlling on-off of the electrical connector.

[0016] —些实施例中,所述电气部分还包括与所述电气连接件相连的电抗器件。 [0016] - in some embodiments, the electrical device portion further comprises a reactance element connected to the electrical connector.

[0017] —些实施例中,所述电气连接件通过所述电抗器件与所述电气连接部分相连。 [0017] - in some embodiments, the reactive components and electrical connections connected to the electrical connection through the electrical part.

[0018] —些实施例中,所述电抗器件为电感性器件或电容性器件。 [0018] - in some embodiments, the inductive reactance device is a device or a capacitive device.

[0019]本发明由于采用以上技术方案,使之与现有技术相比:有效利用部分金属外框和加入电气连接件,通过控制电气连接件的通断从而实现增强带宽的效果,能覆盖GSM,UMTS ,LTE多个频段。 [0019] The present invention adopts the above technical solution, so that compared with the prior art: the effective use of portions of the metal frame and the added electrical connections, on-off connector in order to achieve the effect of the enhanced bandwidth of the electrical control, can cover GSM , UMTS, LTE plurality of frequency bands.

附图说明 BRIEF DESCRIPTION

[0020]结合附图,通过下文的述详细说明,可更清楚地理解本发明的上述及其他特征和优点,其中: [0020] conjunction with the accompanying drawings, described by the following detailed description, may be more clearly understood and other features and advantages of the present invention, wherein:

[0021]图1本发明天线组装图; [0021] FIG invention, the antenna assembly of FIG 1;

[0022]图2本发明天线周边环境图; [0022] FIG antenna Surroundings invention FIG 2;

[0023]图3本发明侧视图; [0023] Figure 3 a side view of the present invention;

[0024] 图4本发明正视图; [0024] Figure 4 a front view of the present invention;

[0025]图5本发明电气连接方式一; [0025] FIG electrical connection a five invention;

[0026]图6本发明电气连接方式二; [0026] FIG. 6 electrical connections invention II;

[0027]图7本发明天线频率响应图; [0027] FIG antenna frequency response invention, FIG 7;

[0028]图8本发明天线实测效率图。 [0028] FIG measured efficiency of the antenna of the present invention FIG.

[0029] 符号说明: [0029] Description of Symbols:

[0030] 10-PCB板 [0030] 10-PCB board

[0031] 101、102、103-金属外框 [0031] The metal frame 101,102,103-

[0032] 104-净空区 [0032] Clearance 104-

[0033] 200-天线部分 [0033] The antenna portion 200-

[0034] 201-馈电部分 [0034] The feeding portion 201-

[0035] 202-回路辐射第一部分 A first portion of the radiation circuit [0035] 202-

[0036] 203-回路辐射第二部分 [0036] The second portion of the radiation circuit 203-

[0037] 204-回路辐射第三部分 [0037] The circuit portion of the third radiation 204-

[0038] 205-金属边框 [0038] The metal frame 205-

[0039] 206-回路辐射第五部分 [0039] 206- loop radiation Part V

[0040] 207-回路辐射第四部分[0041 ] 208-接地部分 [0040] The fourth radiating circuit 207- [0041] The ground portion 208-

[0042] 209-电气连接部分 [0042] Electrical connection portion 209-

[0043] 210-接地寄生辐射片 [0043] 210- spurious radiation ground plate

[0044] 211-第一缝隙 [0044] The first slot 211-

[0045] 212-第二缝隙 [0045] The second slot 212-

[0046] 213-第三缝隙 [0046] The third slot 213-

[0047] 300-电气部分 [0047] 300 electrical parts

[0048] 301-电抗器件 [0048] The reactor device 301

[0049] 302-电气连接件 [0049] The electrical connector 302

[0050] 303-控制接口[0051 ] 400-手机部件 [0050] The control interface 303 [0051] 400- handunits

具体实施方式 Detailed ways

[0052]参见示出本发明实施例的附图,下文将更详细地描述本发明。 [0052] Referring to the accompanying drawings showing an embodiment of the present invention, the present invention is described in more detail below. 然而,本发明可以以许多不同形式实现,并且不应解释为受在此提出之实施例的限制。 However, the present invention may be embodied in many different forms and should not be construed as limiting, proposed by this embodiment. 相反,提出这些实施例是为了达成充分及完整公开,并且使本技术领域的技术人员完全了解本发明的范围。 Instead, these embodiments are proposed in order to achieve full and complete disclosure, and the person skilled in the art fully understand the scope of the invention. 这些附图中,为清楚起见,可能放大了层及区域的尺寸及相对尺寸。 In these figures, for clarity, it may be exaggerated sizes and relative sizes of layers and regions.

[0053]参考图1-6,本发明提供的一种增强带宽的新型LTE金属框天线,其包括手持终端的PCB板100和金属外框101、102、103,金属外框设置于PCB板100的边缘上并与PCB板100相连接,PCB板100分为净空区104和非净空区,该净空区104位于PCB板100的一端,且金属外框101和102的两端延伸到PCB板100的净空区104的外侧边缘上。 [0053] Referring to FIG 1-6, the present invention provides a novel enhanced bandwidth LTE metal frame antenna, which comprises a PCB board of the handheld terminal 100 and 101, metal frame, the metal frame is provided on the PCB 100 on edge and connected to the PCB 100, the PCB 104 and a clearance area 100 is divided into non-clearance area, which clearance area 104 located at one end of the PCB 100, the metal frame 101 and ends 102 and 100 extending to the PCB the outer edge of the clearance area 104. PCB板100的净空区104内设置有天线部分200和与天线部分200相连的电气部分300,电气部分300内部连接到PCB板上接地,且电气部分300与一移动终端信号相连,移动终端信号控制电气部分300是否接地。 Is provided within the clearance region 104 of PCB 100 with an antenna portion 200 and electrically connected to the antenna portion 200 and portion 300, portion 300 electrically connected to the PCB inside the ground plate portion 300 and electrically connected to a signal of the mobile terminal, the mobile terminal control signal part 300 is electrically grounded. 其中,天线部分包括金属边框205、馈电部分201、接地部分208、回路辐射部分202-207和接地点电气连接部分209。 Wherein the antenna comprises a metal frame portion 205, a feeding portion 201, the ground portion 208, 202-207 loop radiating portion and the ground portion 209 are electrically connected.

[0054]在本实施例中,如图2-3所示,金属边框205设置于PCB板净空区的底边边缘上,且金属边框205的一端与金属外框101的一端相对形成第一缝隙211,金属边框205的另一端与金属外框102的一端相对形成第二缝隙212;第一缝隙211和第二缝隙212的位置可以根据具体情况在PCB板100的净空区的外侧边缘上移动,且第一缝隙211和第二缝隙212的大小可根据具体情况进行改变,适当的调节第一缝隙211和第二缝隙212的大小可以获得较好的频宽和阻抗,并通过优化设计达到手持时影响最小。 [0054] In the present embodiment, shown in Figure 2-3, the metal frame 205 is provided on the bottom edge of the clearance area of ​​the PCB, and the metal frame of the metal frame 205 one ends of the first slit 101 formed opposite 211, the other end of the metal frame and the metal frame 205 of the end 102 relative to the second slot 212 is formed; a first position of the slot 211 and second slot 212 can be moved on the outer edge of the clearance area of ​​the PCB 100 under the specific circumstances, when the first and second slits 211 and 212 of the gap size may be changed depending on the circumstances, the appropriate size of the first adjustment slot 211 and second slot 212 can be obtained and a better impedance bandwidth, and by optimizing the design to achieve a handheld minimal impact. 第一缝隙211处还设置有呈“U”字型的接地寄生辐射片210,接地寄生辐射片210与金属外框101的一端纵向连接,接地寄生辐射片210用于优化谐振频率,当然接地寄生辐射片210的形状可根据具体情况而定;接地寄生辐射片210的长度可根据金属外框101的长度进行改变,由于随着第一缝隙211的位置的移动,金属外框101的长度会随之改变,此时通过改变接地寄生辐射片210的长度来进行谐振频率的优化,当然当金属外框101的长度达到一定要求时,接地寄生福射片210也可消失。 The first slot 211 is also provided with a form of "U" shaped ground spurious radiation sheet 210, grounding spurious radiation plate 210 is connected to the longitudinal end of the metal frame 101, the ground plate 210 to optimize the spurious radiation resonant frequency, of course, the parasitic ground the shape of the radiation plate 210 may be depending on the circumstances; spurious radiation length of the ground plate 210 may be changed according to the length of the metal frame 101, as the length will vary due to the movement of the position of the first slit 211, the metal frame 101 the change at this time to optimize the resonance frequency by changing the length of the ground plate 210 of spurious radiation, of course, when the length of the metal frame 101 to meet certain requirements, the parasitic ground Fu reflective sheet 210 may also disappear.

[0055]在本实施例中,回路辐射部分包括回路辐射第一部分202、回路辐射第二部分203、回路辐射第三部分204和回路辐射第四部分207。 [0055] embodiment, the circuit comprises a loop radiating portion radiating a first portion 202, second portion 203 the radiation circuit, the third circuit portion 204 and the radiation radiating portion of the fourth circuit 207 in the present embodiment. 回路辐射第一部分202与馈电部分201相连,馈电部分201与一馈源信号端相连;回路辐射第一部分202连接到回路辐射第二部分203上,回路辐射第二部分203通过回路辐射第三部分204连接到金属边框205上,回路辐射第三部分204的位置用于调节天线频率和阻抗特性,其位置可根据具体情况来调节,具体的实施时回路辐射第三部分204可用螺丝钉替代,这样不但引入调节灵活性,同时在结构上起到加固的作用;回路辐射第二部分203与金属边框205相对间隔开一定距离,并形成第三缝隙213,第三缝隙213用于调节回路频率和阻抗;回路辐射第二部分203通过回路辐射第四部分207与接地部分208相连;回路辐射第二部分203还通过接地点电气连接部分209连接到电气部分300,接地点电气连接部分209与回路辐射第二部分203的连接位置与回路辐射第二部分203末端的距离可根据具体情况 Radiation of a first circuit portion 202 connected to the feeding portion 201, the feeding portion 201 is connected to a signal feed end; a first circuit radiating portion 202 is connected to the second portion of the radiation circuit 203, circuit 203 via the loop radiating second portion of the third radiation portion 204 is connected to the metal frame 205, the radiation position of the third circuit portion 204 for adjusting the frequency and impedance characteristics of the antenna, its position may be adjusted according to specific circumstances, particularly radiation circuit 204 may be a third screw portion when an alternative embodiment, so adjusting the introduction of only flexibility and acts on the reinforcing structure; loop second portion of radiation 203 relative to the metal frame 205 spaced a distance from, and the third slot 213, a third slot 213 for frequency and impedance adjusting circuit ; radiation circuit 203 is connected to the ground portion 207 and the second portion of the radiation through the circuit fourth portion 208; portion 209 is connected to the electric circuit portion 300 of the second radiation part 203 is also electrically connected by grounding point, the ground point of the electrical connection portion 209 and the radiation circuit 203 from the end of the loop connected to a position of the second portion of the two radiation portions 203 depending on the circumstances 定。 Set. 回路辐射部分还包括回路辐射第五部分206,位于第二缝隙212处且与金属边框205的一端相连,用于优化谐振频率,回路辐射第五部分206的长度可根据金属边框205的长度进行改变,由于随着第二缝隙212的位置的移动,金属边框205的长度会随之改变,此时通过改变回路辐射第五部分206的长度来进行谐振频率的优化,当然当金属边框205的长度达到一定要求时,回路辐射第五部分206也可消失。 Loop radiating portion radiating portion further includes a fifth loop 206, and 212 located at the second gap at the end of the metal frame 205 is connected to optimize the resonance frequency, the length of the radiating loop fifth portion 206 may be changed according to the length of the metal frame 205 Since with movement of the position of the second slot 212, the length of the metal frame 205 will change, this time by changing the length of the loop radiating fifth portion 206 to optimize the resonance frequency, of course, when the length of the metal frame 205 reaches when certain requirements, radiation fifth circuit section 206 may also disappear. 综合以上所述,回路辐射第二部分203、回路辐射第三部分204与金属边框205相连,金属边框205又与回路辐射第五部分206相连,回路辐射第二部分203又与回路辐射第四部分207相连最终接地,回路辐射第二部分203与接地点电气连接部分209相连进入电气部分300,最终形成辐射回路。 Based on the above the loop radiating second portion 203, third portion 204 of the radiation circuit connected to the metal frame 205, and is connected to the metal frame 205 and a fifth loop radiating portion 206, the loop 203 and a second portion of the fourth radiating part radiating loop the final 207 is connected to ground, the second portion of the radiation circuit 203 and the ground connection portion 209 electrically connected into the electrical portion 300, forming a radiation loop.

[0056] 在本实施例中,电气部分300包括一电气连接件302,电气连接件302为具有通断射频信号的器件,如射频开关或者PIN 二极管等,电气连接件302的内部存在射频接地端用于与PCB板相连,形成完整信号回路;电气连接件302上设置有控制接口303,用于与一移动终端信号相连,移动终端信号控制电气部分300进行射频信号的通断从而控制电气部分300是否接地。 [0056] In the present embodiment, the electrical portion 300 includes an electrical connector 302, the electrical connecting member 302 having the device off radio frequency signals, such as radio frequency switch or a PIN diode, the inner member 302 is electrically connected to a radio frequency ground terminal for connection to the PCB, to form a complete signal circuit; electrical connector 303 is provided with a control interface 302, for connection to a signal of the mobile terminal, the mobile terminal section 300 for controlling the electrical signal is a radio frequency signal to control the on-off electrical part 300 whether grounded. 如图7所述,图中fl和f2分别表示了在具体实施过程中电气连接件302截至和导通状态时整个天线的频率响应效果图,由图中可以看出,当电气连接件302在截至状态下时,出现响应的频段为低频0.7GHz到0.82GHz和高频1.71GHz到2.17GHz;当电气连接件302在导通状态下时,出现响应的频段为0.824GHz到0.96GHz和高频2.5GHz到2.69GHz。 As shown in Figure 7, FIG fl and f2 respectively represent a specific embodiment of the process as of the electrical connection member 302 and the frequency of the overall antenna conductive state in response renderings, it can be seen from the figure, when the electrical connector 302 as the next state, the band of the low frequency response of 0.7GHz to 0.82GHz and 1.71GHz frequency to 2.17 GHz; when the band member 302 is electrically connected at the oN state, the response appears to 0.824GHz to 0.96GHz and a high frequency 2.5GHz to 2.69GHz. 从而我们可以通过控制电气部分300的通断来实现天线在不同的频段内出现响应,满足用户在不同频段的需求,从而达到增加带宽的效果。 We can thus be achieved by controlling the electrical continuity portion 300 occurs in response to an antenna in different frequency bands, to meet user needs in different frequency bands, so as to achieve the effect of increasing the bandwidth.

[0057] 在本实施例中,电气部分300内还设置有电抗器件301,用于对电气部分300内的频率进行微调,本实施例中电抗器件301为电感性器件,根据接地点电气连接部分209的位置电抗器件301可以为电容性或者电阻性器件,当然电抗器件301也可不设置,可根据具体依情况而定。 [0057] In the present embodiment, the electrical portion 300 is further provided with reactance means 301, for frequencies within the electrical portion 300 fine-tuning embodiment reactance device of the present embodiment 301 is an inductive device, the connecting portion according to a ground point electrically reactance devices 301 position 209 may be resistive or capacitive means, of course, the reactance device 301 may not be provided, can be determined according to the specific circumstances by. 如图5所示,为本发明电气连接方式一,电抗器件301设置于电气连接件302与接地点电气连接部分209之间。 5, the electrical connection of the present invention, a reactance device 301 is provided between the portion 209 to the electrical connections 302 electrically connected to the grounding point. 当然,电抗器件301也可集成于电抗器件301上,接地点电气连接部分209直接与电气连接件302相连,如图6所示的本发明电气连接方式二,这种方式可以更好地节约空间。 Of course, the reactance device 301 may be integrated on a reactance device 301, the grounding point 209 is connected to the electrical connection portion electrically connected directly to the member 302, as shown in the present invention, the electrical connection shown in FIG. 6 Second, this approach can save space better .

[0058]参考图8,为本发明实施例效率测试图,在截至状态f I下,所需要的频段是低频 [0058] Referring to Figure 8, the present embodiment of the invention FIG efficiency test cases, in the state as of f I, what is needed is a low frequency band

0.7GHz到0.82GHz和高频1.7 IGHz到2.17GHz,对应的效率均达到_4dB,最高值达_2dB。 0.82GHz and 0.7GHz frequency to 1.7 IGHz to 2.17GHz, the corresponding efficiency is reached _4dB, the maximum value of _2dB. 在导通状态f 2下,所需要的频段是低频0.824GHz到0.96GHz和高频2.5GHz到2.69GHz,对应的效率均达到-4dB,最高值达_3dB。 In the ON state f 2, a low frequency band that is required is a high frequency 0.824GHz to 0.96GHz and 2.5GHz to 2.69GHz, the corresponding efficiency is reached -4dB, the maximum value of _3dB.

[0059]综上所述,本发明提供了一种增强带宽的新型LTE金属框天线,该增强带宽的新型LTE金属框天线包括手持终端的PCB板和与PCB板的边缘相连的金属外框,金属外框的两端分别延伸至PCB板上设置的净空区内;还包括天线部分以及与天线部分相连的电气部分,天线部分位于PCB板的净空区内与PCB板相连,天线部分包括主要包括金属边框、馈电部分、接地部分、回路辐射部分和接地点电气连接部分;电气部分内主要包括具有通断射频信号的电气连接件和电抗器件,电气连接件内部存在射频接地端用于与PCB板相连接地,且电气连接件与一移动终端信号相连从而控制电气连接件的通断。 [0059] In summary, the present invention provides a novel enhanced bandwidth LTE metal frame antenna, the enhanced bandwidth of the new LTE metal frame antenna includes a PCB board of the handheld terminal edge of the PCB and the metal plate outer frame and connected to, both ends of the metal frame to extend the clearance zone provided on the PCB; further comprises an antenna portion and a portion electrically connected to the antenna portion, the antenna portion of the clearance area of ​​the PCB board attached to the PCB, the antenna comprises a main portion comprising metal frame, a feeding portion, the grounding portion, loops radiating portion and the ground electrical connections; the electrical part includes having an electrical connector and the reactance devices off radio frequency signals, a radio frequency ground for the PCB internal electrical connections in connection board and electrically connected to a connecting member so as to control the mobile terminal off the electrical signal connector. 本发明提供的一种增强带宽的新型LTE金属框天线,有效利用部分金属外框,并加入电气连接件,通过控制电气连接件的通断从而实现增强带宽的效果,能覆盖GSM,UMTSjLTE多个频段。 An enhanced bandwidth LTE novel metal frame antenna, the effective use of part of the metal frame, and electrical connections join, by controlling the on-off electrical connections in order to achieve the effect of enhanced bandwidth can cover GSM, UMTSjLTE the present invention provides a plurality of band.

[0060]本技术领域的技术人员应理解,本发明可以以许多其他具体形式实现而不脱离本发明的精神或范围。 [0060] skilled in the art will appreciate that the present invention may be practiced without departing from the spirit or scope of the invention in many other specific forms. 尽管也已描述了本发明的实施例,应理解本发明不应限制为这些实施例,本技术领域的技术人员可如所附权利要求书界定的本发明精神和范围之内作出变化和修改。 While the embodiment has described embodiments of the present invention, it should be understood that the present invention should not be limited to these embodiments, those skilled in the art may be appended claims the spirit and scope of the invention as defined in the book variations and modifications are within.

Claims (8)

1.一种增强带宽的新型LTE金属框天线,其特征在于,包括手持终端的PCB板和与所述PCB板的边缘相连的金属外框,所述PCB板的一端设置有净空区,所述金属外框的两端分别延伸至所述PCB板的净空区内;所述增强带宽的新型LTE金属框天线还包括天线部分以及与所述天线部分相连的电气部分,所述天线部分位于所述PCB板的净空区内并与所述PCB板相连,所述电气部分接地且所述电气部分与一移动终端信号相连,所述移动终端信号控制所述电气部分是否接地;其中,所述天线部分包括: 金属边框,位于PCB板的净空区内,且所述金属边框的两端分别与所述金属外框的两端形成第一缝隙和第二缝隙; 馈电部分,与一馈源信号端相连; 接地部分,接地且与所述PCB板相连; 回路辐射部分,与所述馈电部分及所述接地部分相连,且位于所述馈电部分与所述接地部分之间 A new type of enhanced bandwidth LTE metal frame antenna, wherein the handheld terminal comprises a PCB board and the metal frame and the edge of the PCB connected to an end of the PCB is provided with a clearance area, the both ends of the metal frame to extend the clearance area of ​​the PCB; enhanced bandwidth of the new LTE metal frame further comprises an antenna portion and the antenna portion electrically connected to said antenna portion, the antenna portion is in the clearance area and the PCB of the PCB and connected to the electrical portion of the ground portion and the electrical signal is connected to a mobile terminal, the mobile terminal of the electrical part of the control signal is grounded; wherein said antenna portion comprising: a metal frame, positioned in the clearance area of ​​the PCB, and both ends of the metal frame are formed with first and second slits of the two ends of the metal frame; feeding portion, and a signal feed terminal connected; ground portion, and connected to a ground of the PCB; loop radiating portion connected to the power feeding portion and a grounding portion, and the portion between electrical ground and the feeding portion is located 所述回路辐射部分还与所述金属边框相连; 接地点电气连接部分,用于连接所述回路辐射部分与所述电气部分; 所述回路辐射部分包括回路辐射第一部分、回路辐射第二部分、回路辐射第三部分和回路辐射第四部分,其中所述回路辐射第二部分通过所述回路辐射第一部分与所述馈电部分相连,所述回路辐射第二部分通过所述回路辐射第三部分与所述金属边框相连,且所述回路辐射第二部分与所述金属边框相对形成第三缝隙,所述回路辐射第二部分通过所述回路辐射第四部分与所述接地部分相连。 The circuit further radiating portion connected to the metal frame; ground point electrically connecting portion for connecting the radiating portion and said portion of said electrical circuit; said circuit comprises a loop radiating portion radiating a first portion, a second portion of the radiation circuit, the third portion of the circuit and a return radiation irradiation fourth portion, wherein the second portion of the radiation circuit connected to the feeding portion by a first portion of the radiation circuit, the second circuit portion of the radiation through the circuit portion of the third radiation coupled with the metal frame, and the second portion of the loop radiating metal frame formed opposite third slot, the second portion of the radiation circuit connected to said loop by a fourth radiating portion to the ground portion.
2.根据权利要求1所述的增强带宽的新型LTE金属框天线,其特征在于,所述天线部分还包括接地寄生辐射片,所述接地寄生辐射片位于所述第一缝隙处并与所述金属外框的一端相连,用于优化谐振频率。 The enhanced bandwidth of the antenna 1, the new LTE metal frame as claimed in claim, wherein said antenna further includes a ground portion spurious radiation plate, the grounding plate positioned spurious radiation at said first slot and said One end is connected to the metal frame, for optimizing the resonance frequency.
3.根据权利要求1所述的增强带宽的新型LTE金属框天线,其特征在于,所述回路辐射部分还包括回路辐射第五部分,所述回路辐射第五部分位于所述第二缝隙处并与所述金属边框相连,用于优化谐振频率。 The enhanced bandwidth of the antenna 1, the new LTE metal frame as claimed in claim, wherein said circuit further comprises a loop radiating portion radiating fifth portion, the fifth portion of radiation circuit positioned at said second gap and coupled with the metal frame, to optimize the resonant frequency.
4.根据权利要求1所述的增强带宽的新型LTE金属框天线,其特征在于,所述回路辐射第二部分通过所述接地点电气连接部分与所述电气部分连接。 The enhanced bandwidth of the antenna 1, the new LTE metal frame as claimed in claim, wherein said second circuit portion connected to the radiation portion and the electrical connection portion of said electrical grounding point.
5.根据权利要求1所述的增强带宽的新型LTE金属框天线,其特征在于,所述电气部分包括电气连接件,所述电气连接件为具有通断射频信号的器件,所述电气连接件的内部设置有射频接地端用于接地,所述电气连接件上还设有控制接口,用于与所述移动终端信号相连,所述移动终端信号控制所述电气连接件的通断。 The enhanced bandwidth of the antenna 1, the new LTE metal frame as claimed in claim, wherein said electric part comprising electrical connector, said electrical connector member having means off a radio frequency signal, said electrical connector It is internally provided with a radio frequency ground terminal for grounding the electrical interface further provided with a control member connected for signal connected to the mobile terminal, the mobile terminal signal for controlling on-off of the electrical connector.
6.根据权利要求5所述的增强带宽的新型LTE金属框天线,其特征在于,所述电气部分还包括与所述电气连接件相连的电抗器件。 The enhanced bandwidth 5 of the metal frame of the new LTE antenna as claimed in claim, wherein said portion further comprises electrical reactance means connected to the electrical connector member.
7.根据权利要求6所述的增强带宽的新型LTE金属框天线,其特征在于,所述电气连接件通过所述电抗器件与所述电气连接部分相连。 The enhanced bandwidth of the antenna 6, the new LTE metal frame as claimed in claim, wherein said electrical connection portions are connected through the reactance element is connected to the electrical device.
8.根据权利要求6所述的增强带宽的新型LTE金属框天线,其特征在于,所述电抗器件为电感性器件或电容性器件。 New metal frame LTE enhanced bandwidth antenna as claimed in claim 6, characterized in that the inductive reactance device is a device or a capacitive device.
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