CN105789917A - Multi-frequency multi-mode handset navigation antenna - Google Patents

Multi-frequency multi-mode handset navigation antenna Download PDF

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Publication number
CN105789917A
CN105789917A CN 201610127755 CN201610127755A CN105789917A CN 105789917 A CN105789917 A CN 105789917A CN 201610127755 CN201610127755 CN 201610127755 CN 201610127755 A CN201610127755 A CN 201610127755A CN 105789917 A CN105789917 A CN 105789917A
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CN
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Prior art keywords
antenna
b1
pcb
feed
radiating substrate
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CN 201610127755
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Chinese (zh)
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袁唐杰
孔令兵
杨春华
胡常青
杨勇
曾笑尘
吴垣春
张松
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北京航天控制仪器研究所
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    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • H01Q1/243Supports; 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/28Combinations of substantially independent non-interacting antenna units or systems

Abstract

The invention discloses a multi-frequency multi-mode handset navigation antenna, which has transmitting functions of Big Dipper B1 frequency point and an RDSS-L frequency point and a receiving function of an S frequency point, wherein the laminated structure is adopted by the antenna; the dimension of the antenna can be effectively reduced by a high-order electric composite microwave dielectric material; the dielectric surface wave can expand the beam width of the microstrip antenna; the microstrip antenna is fed with a plurality of feeds; a feed network ensures the circular polarization property of the antenna; the input impedance and the circular polarization axial ratio bandwidth can be effectively improved; the circular polarization characteristics of the antenna are ensured; and the multi-frequency multi-mode handset navigation antenna has a high-stability antenna phase center.

Description

一种多频多模手持机导航型天线 A multi-band multi-mode handset navigation antenna

技术领域 FIELD

[0001] 本发明涉及手持机导航型天线技术领域,特别涉及一种多频多模手持机导航型天线,可与多模多频手持型OEM板配套使用,应用于手持式小型化导航型终端。 [0001] The present invention relates to a navigation handset antenna technology, and particularly relates to a multi-band multi-mode handset navigation antenna can be used with hand-held multimode, multiband matching OEM board, downsizing applied handheld navigation type terminal .

背景技术 Background technique

[0002] 天线作为导航定位系统必不可缺少的一部分,它决定着导航定位系统的性能。 [0002] The navigation system antenna as indispensable part, it determines the performance of the navigation system. 对于全球定位系统中的用户接收机来说,为保证定位精度,能够接收到地平面上的卫星数目越多越好,一般要求能够接收较低仰角(通常要求为10°)以上的所有天空中的卫星信号。 All the sky for the GPS receiver for the user, to ensure the positioning accuracy, the number of satellites can be received on the ground level as possible, generally require low elevation angles can be received (usually of claim 10 °) in the above the satellite signals. 因此,天线在这个空间内要对卫星信号最好具有均匀的响应,当低于接收高度时,为抑制严重的多路径效应和对流层效应,天线响应需要迅速截止,这对天线的前后比又提出较高的要求。 Thus, in this space the antenna to have a uniform response to the best satellite signal when reception is less than the height, in order to suppress effects of severe multipath and tropospheric effects, the need for rapid response of the antenna is turned off, it is proposed before and after the ratio of the antenna and high demand. 另外导航定位信号是在空地之间传输的,为消除电离对信号的法拉第旋转效应,辐射信号采用的是圆极化工作。 Further navigation signals are transmitted between the space for the deionization of the Faraday rotation effect signal, the radiation is circularly polarized signal using the work. 因此,为减小接收信号的极化失配损失,天地也应采用相应旋向的圆极化方式。 Thus, to reduce the polarization mismatch loss of the received signal, the world should be the corresponding circular polarization rotation direction. 这些应用要求都对导航用户接收机天线提出了非常特别且难度很大的技术要求。 These applications require all users to navigate the receiver antenna made very special and very difficult technical requirements.

[0003] 常用天线包括微带贴片天线、四线螺旋天线、圆锥螺旋天线和十字交叉偶极子天线等。 [0003] Common antenna comprising a microstrip patch antenna, a four-wire helical antenna, helical antenna and a conical cross-dipole antenna. 普通的微带贴片天线具有心形方向图、低损耗、低轮廓和重量轻、易共形等优点,但其波束宽度一般在80°左右,在低仰角时(仰角为10°)增益在-10~_7dB之间,不能满足接收天线所需要的半球形覆盖方向图特性。 Common microstrip patch antenna having a heart-shaped pattern, low loss, low profile and light weight, conformal, etc., but the beam width is generally about 80 °, at a low elevation angle (elevation angle of 10 °) gain between -10 ~ _7dB, hemispherical coverage pattern can not satisfy the characteristic required for the receiving antenna. 而四线螺旋天线、圆锥螺旋天线和十字交叉偶极子天线一般较大,不适合小型化。 And four-wire helical antenna, helical antenna and a conical cross-dipole antennas are generally larger, are not suitable for miniaturization.

发明内容 SUMMARY

[0004] 本发明的目的在于克服现有技术的不足,提供一种多频多模手持机导航型天线, 该天线采用层叠式结构,使用高阶电复合微波介质材料可以有效减小天线尺寸,而且介质表面波能够展宽微带天线的波束宽度;并采用多个馈电对微带天线进行馈电,由馈电网络保证天线的圆极化性能,可以有效提高输入阻抗和圆极化轴比带宽,保证天线的圆极化特性,具备尚稳定天线相位中心。 [0004] The object of the present invention is to overcome the disadvantages of the prior art, there is provided a multi-band multi-mode handset navigation antenna, the antenna employs a laminated structure, using high-power microwave dielectric composite material can effectively reduce the antenna size, medium wave and capable of wide beamwidth show microstrip antennas; a plurality of electrically fed and uses microstrip fed antenna, a circularly polarized feed network to ensure performance of the antenna, the input impedance can improve the axial ratio of circular polarization, and bandwidth, assured circular polarization antenna provided with the antenna phase center is still stable.

[0005] 本发明的上述目的通过以下方案实现: [0005] The object of the present invention is achieved by the following scheme:

[0006] 一种多频多模手持机导航型天线,包括S天线、L天线和B1天线,以及馈电网络基板和三个天线对外的接插件;其中: [0006] A multi-band multi-mode handset navigation antenna, the antenna comprising S, L antenna and an antenna B1, and a feed network board and three external antenna connector; wherein:

[0007] S天线包括S天线PCB辐射基板和S天线馈电探针,L天线包括L天线PCB辐射基板、L 天线双馈电探针和L天线馈电网络,B1天线包括B1天线PCB辐射基板、B1天线双馈电探针和B1天线馈电网络;L天线馈电网络和B1天线馈电网络印制在馈电网络基板的下表面;S天线、 L天线和B1天线的微带贴片印刷在各自辐射基板的上表面上,S天线采用单点馈电方式,L天线和B1天线采用双馈电方式; [0007] S S antenna comprising an antenna radiating substrate and PCB antenna feed probe S, L L antenna comprises an antenna radiation board PCB, L antenna feed probe and the double-L antenna feed network, B1 PCB antenna includes an antenna radiating substrate B1 , B1 probe and dual-feed antenna B1 antenna feed network; L B1 and the antenna feed network of the antenna feed network printed on the lower surface of the feed network board; S microstrip patch antenna, L antenna and the antenna B1 printed on the upper surface of the radiating substrate to the respective, S single antenna feed-point manner, L antenna and dual antenna B1 feed mode;

[0008] 每个天线的PCB辐射基板和馈电探针焊接为一体,三个天线的辐射基板叠层分布, 其中:S天线PCB辐射基板位于最上层,S天线馈电探针依次穿过L天线PCB辐射基板、B1天线PCB辐射基板和馈电网络基板,与S天线的接插件相连;L天线PCB辐射基板位于S天线PCB辐射基板之下,L天线双馈电探针穿过B1天线PCB辐射基板和馈电网络基板,并与L天线馈电网络的输入端相连;B1天线PCB辐射基板位于L天线PCB辐射基板之下,B1天线双馈电探针穿过馈电网络基板,并与B1天线馈电网络的输入端相连;L天线馈电网络和B1天线馈电网络的输出端分别与L天线接插件和B1天线接插相连。 [0008] PCB radiating substrate and the feed probes each antenna integrally welded, the stack distribution of the radiating substrate three antennas, where: S PCB antenna radiating substrate located at the top, S antenna feed probe passes through L the antenna radiation board PCB, PCB antenna radiating substrate B1 and the feed network board, and an antenna connected to the connector S; L PCB antenna radiating substrate S is located below the antenna radiating substrate PCB, L antenna feed probe through the double PCB antenna B1 radiating substrate and connected to a feed network board, and the antenna feed network with the L input terminal; Bl PCB antenna radiation board PCB antenna radiating substrate located under the L, B1 dual-feed antenna feed network board through the probe, and with B1 is connected to the antenna feed network input terminal; L B1 antenna feed network and the antenna feed network output terminals, respectively, and B1-L antenna connector coupled patch antenna.

[0009] 在上述的多频多模手持机导航型天线中,S天线、L天线和B1天线对外的接插件固定在接插件焊接板上,手持机底板上设置有各接插件的穿孔,三个接插接穿过所述穿孔,然后将S天线、L天线、B1天线、馈电网络基板、接插件焊接板作为整体与手持机底板固定连接。 [0009] In the multi-band multi-mode navigation model handset antenna, S antennas, L antenna and the external antenna connector B1 connector fixed welding plate, a perforated plate is provided on the handset of the respective connectors, three a contact plug passing through the perforations, and then the antenna S, L antenna, B1 antenna feed network board, the welded plate connectors as a whole with the bottom plate is fixedly connected handset.

[0010] 在上述的多频多模手持机导航型天线中,s天线PCB辐射基板、L天线PCB辐射基板和B1天线PCB福射基板的介质材料的介电常数为6~10,且S天线PCB福射基板、L天线PCB福射基板和B1天线PCB辐射基板的基板面积由小到大排列。 [0010] In the multi-band multi-mode handset navigation antenna, s is the antenna radiation board PCB, the dielectric constant of the dielectric material substrate and a radiation-L antenna PCB antenna B1 Four PCB substrate 6 to exit 10, and the antenna S Four shot area of ​​the substrate board PCB, L Four PCB antenna B1 and the exit substrate antenna radiation board PCB ascending order.

[0011] 在上述的多频多模手持机导航型天线中,S天线PCB辐射基板和L天线PCB辐射基板的上表面涂覆银层,B1天线PCB辐射基板的上表面和下表面均涂覆银层。 [0011] In the multi-mode handset navigation multi-band antenna described above, the silver layer is coated on the surface S of the antenna radiation board PCB and PCB-L antenna radiating substrate, the upper surface B1 of the antenna radiation board PCB and lower surfaces are coated silver layer.

[0012] 在上述的多频多模手持机导航型天线中,L天线微带贴片上开设有S天线馈电探针穿过时的穿孔,B1天线微带贴片上开设有S天线馈电探针和L天线双馈电探针穿过时的穿孔,且探针穿过辐射基板时与微带贴片不接触。 [0012] In the multi-band multi-mode handset navigation antenna in the perforation defines an antenna feed probe S L passing through the microstrip patch antenna, the antenna feed S is defined on a microstrip patch antenna B1 L probe and doubly-fed antenna perforation through the electric probe and the probe is not in contact with the microstrip patch radiating substrate passes through.

[0013] 在上述的多频多模手持机导航型天线中,S天线馈电探针焊接在S天线微带贴片几何中心,并在所述S天线微带贴片的两个对角上进行切角处理。 [0013] In the multi-band multi-mode navigation model handset antenna, S antenna feed probe microstrip patch antenna is welded to the geometric center S, S pair and said microstrip patch antenna of two corners chamfer processing.

[0014] 在上述的多频多模手持机导航型天线中,S天线微带贴片在S天线馈电探针焊接位置周围开设有U型槽,并在S天线微带贴片的四周设置四个尺寸相同的长方形微带线,其中, 两个所述微带线关于贴片X轴对称,另外两个微带线关于贴片Y轴对称。 [0014] In the multi-mode handset navigation multi-band antenna in the above, the microstrip patch antenna S S probes is welded around the antenna feed location defines a U-shaped groove, and disposed around the microstrip patch antenna S four identical rectangular dimensions of the microstrip line, wherein both the microstrip patch on the X axis of symmetry, two additional patch microstrip line on the Y-axis symmetry.

[0015] 在上述的多频多模手持机导航型天线中,三个层叠的PCB辐射基板之间通过导电胶粘接为一体。 [0015] In the multi-band multi-mode handset navigation antenna, the radiating substrate between the three stacked PCB through the conductive adhesive bonding integrally.

[0016] 本发明与现有技术相比,具有以下优点: [0016] Compared with the prior art the present invention has the following advantages:

[0017] (1)、本发明的天线具备北斗B1频点和RDSS-L频点的发射功能,以及S频点的接收功能,三个频段天线采用层叠式结构,使用高阶电复合微波介质材料可以有效减小天线尺寸,而且介质表面波能够展宽微带天线的波束宽度; [0017] (1), the antenna of the present invention includes a transmitter function Compass frequency B1 and the frequency RDSS-L, S and receiving function of frequency, three-band antenna using a laminated structure, using high-power microwave dielectric composite materials can effectively reduce the antenna size, but also media capable of broadening wave microstrip antenna beamwidth;

[0018] (2)、本发明采用多个馈电对微带天线进行馈电,由馈电网络保证天线的圆极化性能,可以有效提高输入阻抗和圆极化轴比带宽,保证天线的圆极化特性,具备高稳定天线相位中心。 [0018] (2), the present invention employs a plurality of feed of the electrically fed microstrip antenna, the feed network to ensure that circularly polarized antenna's performance, and can improve the input impedance of the circular polarization axial ratio bandwidth of the antenna to ensure circular polarization, the antenna phase center with high stability.

附图说明 BRIEF DESCRIPTION

[0019] 图1为本发明多频多模手持机导航型天线的结构示意图; [0019] Fig 1 a schematic view of the structure of a multi-band multi-mode handset of the present invention, the navigation antenna;

[0020] 图2为本发明S天线PCB辐射基板的结构图; [0020] FIG 2 is a configuration diagram of S PCB antenna radiating substrate of the present invention;

[0021 ]图3为本发明L天线PCB辐射基板的结构图; [0021] FIG. 3 is a structural diagram L PCB antenna radiating substrate of the present invention;

[0022]图4为本发明B1天线PCB辐射基板的结构图; [0022] FIG. 4 B1 PCB antenna configuration of Fig radiating substrate of the present invention;

[0023]图5a为本发明馈电网络层上表面示意图; [0023] FIG. 5a schematic top surface of the power feeding network layer of the present invention;

[0024]图5b为本发明馈电网络层下表面印刷的馈电网络示意图; [0024] FIG. 5b feed network of the present invention an electrical schematic diagram of the feed network layer printed surface;

[0025]图6a、6b、6c分别为本发明中S天线、L天线和B1天线电压驻波比结果; [0025] FIG. 6a, 6b, 6c, respectively, in the antenna of the present invention, S, L antenna and an antenna VSWR results B1;

[0026]图7a、7b分别为本发明S天线与L天线、B1天线和L天线之间的隔离度结果; [0026] Figures 7a, 7b are examples of the result of isolation between the antenna and the S-L antenna, B1-L antenna, and the antenna to the invention;

[0027]图8a、8b、8c分别为本发明中为S天线、L天线、B1天线仰角10°极化增益结果。 [0027] FIG. 8a, 8b, 8c, respectively, of the present invention, the antenna is S, L antenna, B1 10 ° polarization antenna elevation gain results.

具体实施方式 detailed description

[0028]下面结合附图和具体实施例对本发明作进一步详细的描述: [0028] conjunction with the accompanying drawings and the following specific embodiments of the present invention will be further described in detail:

[0029]为了可以满足北斗B1频点和RDSS-L频点的发射需求,以及S频点的接收需求,并解决天线小型化和低仰角增益之间的矛盾,本发明提出了一种多频多模手持机导航型天线, 该天线采用叠层式结构,天线类型选用微带贴片天线,将三个工作在不同频率的微带贴片天线依次按照对称中心叠加在一起,座落在一定规格的反射板表面。 [0029] In order to meet the emission requirements B1 Compass RDSS-L and the frequency of the frequency, and the frequency of S needs to receive, and to solve the contradiction between the size of the antenna gain and low elevation angles, the present invention provides a multi-frequency multi-mode handset navigation antenna, the antenna employs a laminated structure, the choice of antenna type microstrip patch antenna, the three work together in a center of symmetry is superimposed sequentially microstrip patch antenna in different frequencies, it is located a certain the surface of the reflective plate specification. B1天线和L天线采用的是双馈点给微带贴片天线馈电,以激励一对极化正交的简并模,形成圆极化波;S天线采用的是单馈点方式,结合曲流开槽技术、切角微扰技术和馈点位置的选择实现圆极化;每个天线都连接独立的射频接插件。 B1 and the antenna uses a dual-L antenna feed point to the feed microstrip patch antenna to excite a pair of orthogonal polarization simple and molded to form a circularly polarized wave; S using a single antenna feed point, the bonding meandering slotted art, selected cutting angle and the feed point position perturbation techniques to achieve circular polarization; each antenna connected to a separate RF connector.

[0030] 如图1所示,本发明的多频多模手持机导航型天线包括包括S天线、L天线和B1天线,以及馈电网络基板7、接插件焊接板9和手持机底板11。 [0030] As shown in FIG. 1, a multi-band multi-mode handset navigation antenna of the present invention includes an antenna comprising S, L antenna and an antenna B1, and a feed network board 7, the connector 9 and the welding handset base plate 11. 其中:S天线包括S天线PCB辐射基板1和S天线馈电探针2, L天线包括L天线PCB辐射基板3、L天线双馈电探针4和L天线馈电网络,B1天线包括B1天线PCB辐射基板5、B1天线双馈电探针6和B1天线馈电网络。 Where: S PCB antenna includes an antenna radiating substrate S 1 and S fed antenna electrical probe 2, L PCB antenna includes an antenna radiating substrate L 3, L antenna feed probe B1 bis-L antenna and an antenna feed network, B1 antenna comprising 4 PCB radiating substrate 5, B1 dual-feed antenna probe 6 and the antenna feed network B1. L天线馈电网络和B1天线馈电网络焊接在馈电网络基板7的底部上,三个天线的接插件10焊接在接插件焊接板9上。 L antenna feed networks and antenna feed networks B1 welded on the bottom substrate 7 feed network connector 10 is welded at three antenna connector welded plate 9.

[0031] 其中,S天线PCB辐射基板1和S天线馈电探针2焊接为一体,作为S频段的辐射基板和馈电探针;L天线PCB辐射基板3和L天线双馈电探针4焊接为一体,作为L频段的辐射基板和馈电探针;B1天线PCB辐射基板5和B1天线双馈电探针6焊接为一体,作为B1频段的辐射基板和馈电探针。 [0031] where, S PCB antenna radiating substrate 1 and S fed antenna integrally welding electric probe 2, as the S-band radiating substrate and the feed probe; L PCB antenna radiating antenna substrate 3 and L 4 double feed probes welded into one, as a substrate and L-band radiation of feed probes; B1 PCB antenna radiating antenna substrate 5 and the double feed probes B1 6 welded integrally as B1 band radiating substrate and the feeding probes. 这三个天线的辐射基板叠层分布,自上而下依次为S天线PCB辐射基板1、L天线PCB辐射基板3、B1天线PCB辐射基板5,各PCB板间通过导电胶粘接为一体。 Three radiating substrate stack distribution of the antenna, from top to bottom is S PCB antenna radiating substrate 1, L antenna radiation board PCB 3, B1 PCB antenna radiating substrate 5, between each of the PCB through the conductive adhesive bonding integrally.

[0032]其中,S天线馈电探针2自上而下依次穿过L天线PCB辐射基板3和B1天线PCB辐射基板5,并与S天线的接插件相连;L天线双馈电探针4穿过B1天线PCB辐射基板5和馈电网络基板7,与L天线馈电网络的输入端相连;B1天线双馈电探针6穿过馈电网络基板7,与B1天线馈电网络的输入端相连;L天线馈电网络和B1天线馈电网络的输出端分别与L天线接插件和B1 天线接插相连。 [0032] where, S antenna feed probes L 2 from top to bottom through the antenna substrate 3 and the radiation B1 PCB PCB antenna radiating substrate 5, and connected to the antenna connector S; bis-L antenna feed probe 4 B1 through the antenna radiating PCB substrate 5 and a feed network board 7 connected to the L antenna feed network input terminal; B1 bis antenna feed probe 6 through a feed network board 7, and the B1 input of the antenna feed network connected ends; L B1 antenna feed network and the antenna feed network output terminals, respectively, and B1-L antenna connector coupled patch antenna. S天线、L天线和B1天线对外的接插件固定在接插件焊接板9上,手持机底板11上设置有各接插件的穿孔,三个接插接穿过所述穿孔,然后通过螺钉12将S天线、L天线、 B1天线、馈电网络基板7、接插件焊接板9作为整体与手持机底板11固定连接。 Antenna S, L antenna and external antenna connector B1 is fixed to the connector 9 the welding plate, a handset is provided on the bottom plate 11 of each connector with perforations, perforations through the plug then three, then the screws 12 antenna S, L antenna, B1 antenna feed network board 7, the connector 9 as a whole, the welding plate and the bottom plate 11 is fixedly connected to the handset.

[0033]如图2所示为S天线PCB辐射基板1的结构图,本实施例中该基板的尺寸(长X宽X 高)为21mm X 21mm X 2.5mm,该福射基板的上表面上印刷S天线微带贴片。 [0033] FIG. 2 is S PCB antenna radiating substrate structure of FIG. 1, in this example embodiment of the substrate size (length X width X height) 21mm X 21mm X 2.5mm, an upper surface of the substrate emitted Fu S printed microstrip patch antenna. 本发明中,S天线采用单馈点馈电方式,由于S天线的馈电探针需要穿过L天线和B1天线,如果采用传统的单馈点馈电方式,即延着X轴或者Y轴一定距离加载馈针,这种方式即使采用绝缘处理也会对L天线和B1天线产生很强的耦合。 In the present invention, a single feed point S of the antenna feed method, due to the feed probes through antenna needs to S-L antenna and the antenna B1, if the traditional single feed-point feeding mode, i.e., the extension of the X-axis or Y-axis with certain feeding pin from loads, even if in this way a very strong insulation process also coupled to an antenna B1 and L antennas. 因此本发明采用零电流点加载馈电探针的方式,即将S天线馈电探针加载在微带贴片单元的几何中心,此处产生的辐射较小,可视为零电流点。 Accordingly the present invention by way of zero-current point loading of the feed probes, i.e. S loaded antenna feed probe at the geometric center of the microstrip patch element, the smaller the radiation generated here, as zero current point. 这种在零电流位加载探针的方式可以降低S天线对L天线和B1天线产生的耦合,但会导致S天线阻抗匹配较差、辐射效能变差的问题,因此本发明在S天线微带贴片的边沿以X轴和Y轴为对称轴,设置四个尺寸相同的长方形微带线,等效于加载四个接地的LC串联谐振器,帮助改善S 天线匹配。 This zero current level may be reduced manner loaded probe coupled S-L antenna and an antenna of the antenna B1 produced, but results in poor S antenna impedance matching, the radiation performance degradation problems, the present invention is therefore the S microstrip antenna edge of the patch in the X-axis and Y-axis as an axis of symmetry, the same set of four rectangular microstrip line size, four ground load equivalent to an LC series resonator S help improve the antenna matching. 另外,在零电流位加载探针的方式会导致天线电抗值非常高,具有很大的感抗, 因此本发明在馈电点加载的位置周围引入U型缝隙,等效于使用等效电容抵消感抗值,从而达到阻抗匹配的效果,调节该U型缝隙的大小和距离馈电点的位置能够改善S天线辐射效能。 Further, the zero current level in manner loaded probe antenna reactance value leads to a very high, has a large inductance, the present invention is thus introduced into the U-shaped slot around the loading position of the feeding point, it is equivalent to using the equivalent capacitance cancellation inductance value, so as to achieve impedance matching, adjusting the size and distance of the position of the U-shaped slot feed point S of the antenna radiation performance can be improved. S天线采用的是单馈点方式,由一个馈电点可产生极化正交幅度相等的两个简并模,但不能形成90°的相位差,为了在简并模之间形成90°的相位差,本发明在规则的贴片单元上引入一个简并模分离单元,即在贴片单元的两个对角上进行切角,使简并正交模的谐振频率产生分离,手持机天线工作频率优化在两个频率之间,形成一个简并模的等效阻抗相位角超前45°,而另一个模的等效阻抗相位角滞后45°,这样就形成了圆极化辐射。 S using a single antenna feed point manner by a feeding point can produce equal amplitudes of the two degenerate orthogonally polarized mode, but can not form a 90 ° phase difference, in order to form between the degeneracy of the mold 90 ° phase, the present invention is incorporated in a rule on the patch unit degenerate mold separation unit, i.e., the chamfer angle of the two patch units, degenerate orthogonal modes so that resonant frequency separation, the handset antenna optimizing the operation frequency between the two frequencies, and molded to form a degenerate equivalent impedance phase advance angle 45 °, while the other mold lag equivalent impedance phase angle 45 °, thus forming a circularly polarized radiation.

[0034]如图3所示为L天线PCB辐射基板3的结构图,本实施例中该基板的尺寸(长X宽X 高)为29mm X 29mm X 4mm。 [0034] L 3 is a configuration diagram of an antenna radiation board PCB 3, the present example embodiment of the substrate size (length X width X height) 29mm X 29mm X 4mm. 该福射基板的上表面上印刷有L天线正方形微带贴片,并采用双馈电为该微带贴片馈电,以激励一对极化正交的简并模形成圆极化波,由馈电网络保证天线的圆极化性能,可以有效提高输入阻抗和圆极化轴比带宽,保证天线的圆极化特性,具备高稳定天线相位中心。 The exit Fu upper surface of the substrate printed with a square microstrip patch antenna L, and for the double fed microstrip patch fed, to excite the orthogonal polarization degenerate mode pair is formed and circularly polarized wave, a feed network to ensure that circularly polarized antenna performance, can improve the input impedance and the axial ratio band circular polarization, circular polarization antenna to ensure, with high antenna phase center stability. L天线双馈电探针4穿过B1天线PCB辐射板5连接位于馈电网络层7底部的馈电网络输入端。 Bis-L antenna feed probe 4 passes through the radiation plate 5 B1 PCB antenna feeding network connection is located in the bottom of the electric feed network input layer 7. 该馈电网络采用3dB电桥8将输入的信号分为两个互为等幅且具有90° 相位差的信号,从而提高圆极化天线的轴比,同时可以改善B1天线和L天线之间的隔离度。 The feeding network uses a signal input 3dB electric bridge 8 into two mutually equal amplitude and phase signals having a 90 °, thereby increasing the axial ratio of the circularly polarized antenna, between the antenna B1 and the L antennas at the same time can improve the isolation. [0035]如图4所示为B1天线PCB辐射基板5的结构图,本实施例中该基板的尺寸(长X宽X 高)为35mm X 35mm X 1mm。 [0035] B1 shown in FIG. 4 is a PCB antenna radiating substrate structure of FIG. 5, the embodiment of the present embodiment the substrate size (length X width X height) 35mm X 35mm X 1mm. 该福射基板的上表面上印刷有L天线正方形微带贴片,并且为了小型化将贴片的四角切掉一定形状。 Printed on the upper surface of the substrate L emitted Four square microstrip patch antenna, the size of the patch and to cut off the four corners of a certain shape. B1天线采用双馈电为B1微带贴片馈电,以激励一对极化正交的简并模形成圆极化波,由馈电网络保证天线的圆极化性能,可以有效提高输入阻抗和圆极化轴比带宽,保证天线的圆极化特性,具备高稳定天线相位中心。 B1 dual feed antenna is fed microstrip patch B1 to excite a pair of orthogonal polarization degenerate and die forming circularly polarized wave by the polarization properties of the antenna feed network to ensure round, can improve the input impedance and the axial ratio band circular polarization, circular polarization antenna to ensure, with high antenna phase center stability. B1天线双馈电探针6连接位于馈电网络层7底部的馈电网络输入端。 The antenna feed probe B1 double feed network 6 is connected to an input terminal located at the bottom 7 of the feed network layer. 该馈电网络采用3dB电桥8将输入的信号分为两个互为等幅且具有90°相位差的信号,从而提高圆极化天线的轴比。 The feeding network uses a signal input 3dB electric bridge 8 into two mutually equal amplitude and phase signals having a 90 ° to improve the axial ratio of the circularly polarized antenna.

[0036] 在发明中,为了实现小型化天线单元设计,S天线PCB辐射基板1、L天线PCB辐射基板3和B1天线PCB辐射基板5的介电常数取值范围为6~10,这三个辐射基板的面积由小到大排列。 [0036] In the invention, in order to realize miniaturized antenna unit is designed, S PCB antenna radiating substrate 1, the dielectric constant in the range L of the antenna radiation board PCB 3 and PCB antenna radiating substrate B1 5 6 to 10, the three the area of ​​the radiating substrate ascending order. 对于基片厚度为h,天线工作频率为f,以及有较高效率的辐射天线,其实用宽度W为: For the substrate thickness is h, the antenna operating frequency is f, and a higher radiation efficiency of the antenna, in fact, the width W is:

[0037] [0037]

Figure CN105789917AD00061

[0038]式中,c是波在空气中的传播速度,^是介质基片的介电常数。 [0038] In the formula, c is the wave propagation velocity in air, ^ is the dielectric constant of the dielectric substrate. 因此,一旦知道了贴片宽度W,则可以算出贴片单元的长度L为: Accordingly, once the patch known width W, the length L of the patch element can be calculated as:

[0039] [0039]

Figure CN105789917AD00062

[0040]式中,^和AL分别是等效介电常数和贴片归一化线伸长度,其计算公式如下: [0040] wherein ^ and AL are the effective permittivity and normalized patch cord elongation, which is calculated as follows:

Figure CN105789917AD00063

[0043]通过以上公式即可算出工作频率所对应的贴片单元大小,这个值是较理论的值, 实际应用需要结合软件辅助工具进行优化。 [0043] can be calculated by the above formula patch element corresponding to the size of the operating frequency, this value is lower than the theoretical value, the actual application requires a combination of software aids optimization. 在本实施例中,采用高阶电复合微波介质基板, In the present embodiment, the high-order electric hybrid microwave dielectric substrate,

[0041] [0041]

[0042] 该基板是聚苯醚树脂添加复合陶瓷粉混合工艺,属于聚苯醚树脂的改性产品。 [0042] The polyphenylene ether resin substrate is a composite ceramic powder mixing process to add, belonging polyphenylene ether resin modified products. 聚苯醚树脂的介电常数较小,通常在2.1-3.5,不能满足产品性能要求,因此需要大介电常数填充材料调节聚苯树脂的介电常数,这类产品被称为复合微波介质基板的高介电常数指标值定义在6 ~10〇 The dielectric constant of the polyphenylene ether resin is small, typically 2.1 to 3.5, the product can not meet the performance requirements, thus requiring a large dielectric constant of the filler is adjusted polyphenylene resin, such products are referred to as composite dielectric microwave substrate high dielectric constant index value defined at 6 ~ 10〇

[0044]在本发明中,三个辐射基板的上表面均覆银层,仅有B1天线在辐射基本背面覆满银层作为B1天线自有的反射板。 [0044] In the present invention, the upper surface of the radiating substrate are three silver coating layer, substantially only the radiation antenna B1 covered with a silver layer as the back surface of the antenna B1 own reflection plate. 依据James JR的研究,使用介质基板的介电常数约等于10,若基板的厚度除以天线工作波长即h/%>〇.02,沿着横向(即天线平面的法向)介质表面波的激励将相当可观,出现波间的强耦合,S天线和L天线的设计基于这一研究能够借助介质表面波展宽微带天线的波束宽度。 James JR based study using a dielectric constant approximately equal to the dielectric substrate 10, if the thickness of the substrate of the antenna operating wavelength divided i.e. h /%> 〇.02, along a transverse surface wave (i.e., normal to the plane of the antenna) medium the considerable excitation, strong coupling occurs between the wave, S-L antenna, and antenna design can be based on this study by broadening medium wave microstrip antenna beamwidth.

[0045]在本发明中,为了确保天线间的隔离度,L天线PCB辐射基板3和B1天线PCB辐射基板5上印刷的微带贴片上设置有馈电探针的穿孔,在确保微带天线辐射特性的条件下,调整该穿孔的孔径大小,使得馈电探针穿过微带贴片时互相不接触,从而确保各天线之间的隔离。 [0045] In the present invention, in order to ensure isolation between the antenna feed probe is provided with a perforation on the printed radiation board PCB 3-L antenna and PCB antenna B1 microstrip patch radiating substrate 5, to ensure that the microstrip under the radiation characteristics of the antenna, adjusting the pore size of the perforations, so that feed probes do not contact each other when passing through the microstrip patch, thus ensuring the isolation between antennas.

[0046] 如图5所示为馈电网络层7的结构图,本实施例中的尺寸(长X宽X高)为35mmX 35mmXlmm〇 [0046] FIG feed network to the layer structure shown in FIG. 5 FIG. 7, in the present embodiment, the size (length X width X height) 35mmX 35mmXlmm〇

[0047] 图6a~6c所示为S天线、L天线和B1天线电压驻波比结果。 [0047] Figure 6a - 6c is shown an antenna S, L antenna and an antenna B1 VSWR results. S天线电压驻波比在带内最大值为1.166 4天线电压驻波比在带内最大值为1.2;81天线电压驻波比在带内最大值为1.396。 S antenna voltage standing wave ratio is 1.166 with a maximum value within the antenna 4 in the voltage standing wave ratio with a maximum of 1.2; the maximum voltage standing wave ratio of the antenna 81 within a band of 1.396. 手持机三频天线的电压驻波比均控制在1.5以内,本发明完成很好的匹配特性。 Tri-band antenna handset voltage standing wave ratio are controlled within 1.5, to complete the present invention is excellent matching characteristics.

[0048] 图7a、7b所示为S天线与L天线、B1天线和L天线之间的隔离度结果。 [0048] FIG. 7a, the results of isolation between the antenna shown in FIG. 7b is S and L antenna, B1-L antenna and an antenna. S天线与L天线之间在中心频点上的隔离度为32.38dB;Bl天线和L天线在中心频点上的隔离度为45.41dB, 两个重要指标均超出20dB设计要求10dB以上,实现很好的隔离效果,避免了不同频点天线之间由于叠加干扰而产生的耦合。 Isolation at the center frequency of the antenna between the S and L antennas is 32.38dB; Bl antennas and the L antennas at the center frequency of isolation of 45.41dB, two important indicators exceeded 20dB 10dB above design requirements, to achieve a very good isolation, avoiding the coupling between the antennas due to the superposition of different frequency interference generated.

[0049]图8a~8c所示为S天线、L天线、B1天线仰角10°极化增益结果。 [0049] FIG. 8a - 8c shown antenna is S, L antenna, B1 10 ° polarization antenna elevation gain results. S天线在仰角10°极化增益结果最小值为-0.92dB; L天线在仰角10°极化增益结果最小值为-1.56dB; B1天线在仰角10°极化增益结果最小值约为_4dB。 S-polarized antenna elevation angle of 10 ° results of minimum gain is -0.92dB; L antenna elevation angle of 10 ° in the polarization of minimum gain results -1.56dB; B1 antenna elevation angle of 10 ° in polarization results gain minimum value is about _4dB . 手持机三频天线在仰角10°方向上天线的增益均优于-5dB,很好的改善微带天线在低仰角增益不足的缺陷,实现手持机天线所需要的半球形覆盖方向图特性。 Tri-band antenna handset 10 ° in the elevation direction of the antenna gain is superior to -5 dB, a very good improvement microstrip antenna gain at low elevation angles less than defects, to achieve a handset hemispherical coverage antenna pattern characteristics desired.

[0050] 以上所述,仅为本发明一个具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。 Change [0050] The above are only a particular embodiment of the present invention, but the scope of the present invention is not limited thereto, any skilled in the art in the art within the scope of the invention disclosed can be easily thought of or alternatively, shall fall within the protection scope of the present invention.

[0051] 本发明说明书中未作详细描述的内容属于本领域专业技术人员的公知技术。 [0051] The content of the description of the present invention is not described in detail belonging to the known technique present the skilled in the art.

Claims (8)

  1. 1. 一种多频多模手持机导航型天线,其特征在于:包括S天线、L天线和B1天线,以及馈电网络基板(7)和三个天线对外的接插件;其中: S天线包括S天线PCB辐射基板(1)和S天线馈电探针(2),L天线包括L天线PCB辐射基板(3)、L天线双馈电探针(4)和L天线馈电网络,B1天线包括B1天线PCB辐射基板(5)、B1天线双馈电探针(6)和B1天线馈电网络;L天线馈电网络和B1天线馈电网络印制在馈电网络基板(7)的下表面;S天线、L天线和B1天线的微带贴片印刷在各自辐射基板的上表面上,S天线采用单点馈电方式,L天线和B1天线采用双馈电方式; 每个天线的PCB辐射基板和馈电探针焊接为一体,三个天线的辐射基板叠层分布,其中:S天线PCB辐射基板(1)位于最上层,S天线馈电探针(2)依次穿过L天线PCB辐射基板(3)、 B1天线PCB辐射基板(5)和馈电网络基板(7),与S天线的接插件相连;L天线PCB辐射基板 A multi-band multi-mode handset navigation antenna, characterized by: an antenna comprising S, L antenna and an antenna B1, and a feed network board (7) and three external antenna connector; wherein: the antenna comprises S S PCB antenna radiating substrate (1) and S antenna feed probe (2), L-L antenna PCB antenna includes a radiating substrate (3), L dual-feed antenna probe (4) and the antenna feed network L, B1 antenna B1 PCB comprising an antenna radiating substrate (5), B1 dual-feed antenna probe (6) and B1 antenna feed network; L B1 and the antenna feed network printed antenna feed network at a feed network board (7) surface; S printed microstrip patch antenna, L antenna and the antenna B1 of the radiation on the upper surface of each substrate, S single antenna feed-point manner, L B1 and the antenna feed dual mode antenna; each antenna PCB radiating substrate and welded into one feed probes, three radiating substrate stack distribution of the antenna, where: S PCB antenna radiating substrate (1) located at the top, S antenna feed probe (2) passes through the antenna PCB L radiating substrate (3), B1 PCB antenna radiating substrate (5) and a feed network board (7), connected with the antenna connector S; L PCB antenna radiating substrate (3) 位于S天线PCB辐射基板(1)之下,L天线双馈电探针(4)穿过B1天线PCB辐射基板(5)和馈电网络基板(7),并与L天线馈电网络的输入端相连;B1天线PCB辐射基板(5)位于L天线PCB辐射基板(3)之下,B1天线双馈电探针(6)穿过馈电网络基板(7),并与B1天线馈电网络的输入端相连;L天线馈电网络和B1天线馈电网络的输出端分别与L天线接插件和B1天线接插相连。 (3) located below the radiating substrate S PCB antenna (. 1), dual-L antenna feed probe (4) through the B1 PCB antenna radiating substrate (5) and a feed network board (7), with L antenna feed an input terminal connected to the network; B1 PCB antenna radiating substrate (5) is located under the L antenna radiating substrate PCB (. 3), dual-feed antenna B1 probe (6) through a feed network board (7), and with the antenna B1 It is connected to the input of the feed network; L B1 antenna feed network and the antenna feed network output terminals, respectively, and B1-L antenna connector coupled patch antenna.
  2. 2. 根据权利要求1所述的一种多频多模手持机导航型天线,其特征在于:S天线、L天线和B1天线对外的接插件固定在接插件焊接板(9)上,手持机底板(11)上设置有各接插件的穿孔,三个接插接穿过所述穿孔,然后将S天线、L天线、B1天线、馈电网络基板(7)、接插件焊接板(9)作为整体与手持机底板(11)固定连接。 According to claim 1, one of the multi-band multi-mode handset navigation antenna, wherein: S antennas, L B1 antenna and an antenna connector secured to the external connector welded plate (9), the handset the bottom plate (11) is provided with perforations on each of the connectors, three contact plug passes through the perforations, and then the antenna S, L antenna, B1 antenna feed network board (7), welded connector plate (9) handset and the base plate as a whole (11) is fixedly connected.
  3. 3. 根据权利要求1所述的一种多频多模手持机导航型天线,其特征在于:S天线PCB辐射基板(1)、L天线PCB辐射基板(3)和B1天线PCB辐射基板(5)的介电常数为6~10,且S天线PCB 辐射基板(1)、L天线PCB辐射基板(3)和B1天线PCB辐射基板(5)的基板面积由小到大排列。 1 according to one of the multi-band multi-mode handset navigation antenna, as claimed in claim wherein: S PCB antenna radiating substrate (1), L PCB antenna radiating substrate (3) and B1 PCB antenna radiating substrate (5 ) dielectric constant of 6 to 10, and the PCB antenna radiating substrate S (1), L PCB antenna radiating substrate (3) and B1 PCB antenna radiating substrate (5) are arranged from small to large substrate area.
  4. 4. 根据权利要求1至3之一所述的一种多频多模手持机导航型天线,其特征在于:S天线PCB辐射基板(1)和L天线PCB辐射基板(3)的上表面涂覆银层,B1天线PCB辐射基板(5)的上表面和下表面均涂覆银层。 The one of the 1 to 3 multi-band multi-mode handset navigation antenna, as claimed in claim wherein: the upper surface S of the antenna radiation board PCB (1) and L PCB antenna radiating substrate (3) coated a silver coating layer, B1 PCB antenna radiating substrate (5) of the upper and lower surfaces are coated with a silver layer.
  5. 5. 根据权利要求1至3之一所述的一种多频多模手持机导航型天线,其特征在于:L天线微带贴片上开设有S天线馈电探针(2)穿过时的穿孔,B1天线微带贴片上开设有S天线馈电探针(2)和L天线双馈电探针(4)穿过时的穿孔,且探针穿过辐射基板时与微带贴片不接触。 When the S defines an antenna feed probe (2) through a microstrip patch antenna on a L: according to claim multimode A multi-frequency antenna of the navigation handset 1 to 3, characterized in that when piercing, the microstrip patch antenna B1 S defines an antenna feed probe (2) and the bis-L antenna feed probe (4) passes through the perforations, and the probe passes through the microstrip patch radiating substrate does not contact.
  6. 6. 根据权利要求1至3之一所述的一种多频多模手持机导航型天线,其特征在于:S天线馈电探针(2)焊接在S天线微带贴片几何中心,并在所述S天线微带贴片的两个对角上进行切角处理。 According to one of the 1 to 3 multifrequency antenna navigation mode handset, characterized in that claim: S antenna feed probe (2) welded in the geometric center S microstrip patch antenna, and chamfer angle on the process of the two S microstrip patch antenna.
  7. 7. 根据权利要求6所述的一种多频多模手持机导航型天线,其特征在于:S天线微带贴片在S天线馈电探针焊接位置周围开设有U型槽,并在S天线微带贴片的四周设置四个尺寸相同的长方形微带线,其中,两个所述微带线关于贴片X轴对称,另外两个微带线关于贴片Y 轴对称。 6, according to one of the multi-band multi-mode handset navigation antenna, as claimed in claim wherein: S microstrip patch antenna in the antenna feed S around the welding position of the electric probe defines a U-shaped groove, and S a microstrip patch antenna is set around the same size four rectangular microstrip line, wherein both the microstrip patch on the X axis of symmetry, two additional patch microstrip line on the Y-axis symmetry.
  8. 8. 根据权利要求1至3之一所述的一种多频多模手持机导航型天线,其特征在于:三个层叠的PCB辐射基板之间通过导电胶粘接为一体。 8. According to one of the claims 1 to 3 multi-band multi-mode handset navigation antenna, comprising: a conductive adhesive between the PCB by three stacked radiating substrate integrally connected.
CN 201610127755 2016-03-07 2016-03-07 Multi-frequency multi-mode handset navigation antenna CN105789917A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6842145B1 (en) * 2003-07-28 2005-01-11 The United States Of America As Represented By The Secretary Of The Navy Reduced size GPS microstrip antenna
CN101789538A (en) * 2009-01-22 2010-07-28 深圳市华信天线技术有限公司 Multifrequency patch antenna device
CN102377020A (en) * 2011-07-15 2012-03-14 广东工业大学 Dual-frequency microstrip patch antenna for high-precision measurement
CN202474201U (en) * 2011-12-31 2012-10-03 嘉兴佳利电子股份有限公司 Miniaturized lamination multi-frequency circular polarized antenna
CN103956584A (en) * 2014-04-29 2014-07-30 陕西海通天线有限责任公司 Handheld dual-mode miniaturized user machine antenna

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6842145B1 (en) * 2003-07-28 2005-01-11 The United States Of America As Represented By The Secretary Of The Navy Reduced size GPS microstrip antenna
CN101789538A (en) * 2009-01-22 2010-07-28 深圳市华信天线技术有限公司 Multifrequency patch antenna device
CN102377020A (en) * 2011-07-15 2012-03-14 广东工业大学 Dual-frequency microstrip patch antenna for high-precision measurement
CN202474201U (en) * 2011-12-31 2012-10-03 嘉兴佳利电子股份有限公司 Miniaturized lamination multi-frequency circular polarized antenna
CN103956584A (en) * 2014-04-29 2014-07-30 陕西海通天线有限责任公司 Handheld dual-mode miniaturized user machine antenna

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