WO2018072416A1 - 一种双极化天线 - Google Patents
一种双极化天线 Download PDFInfo
- Publication number
- WO2018072416A1 WO2018072416A1 PCT/CN2017/081002 CN2017081002W WO2018072416A1 WO 2018072416 A1 WO2018072416 A1 WO 2018072416A1 CN 2017081002 W CN2017081002 W CN 2017081002W WO 2018072416 A1 WO2018072416 A1 WO 2018072416A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arm
- radiating
- dual
- vibrator
- polarized antenna
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Definitions
- the present invention relates to the field of mobile communication base station antennas, and more particularly to an ultra-wideband dual-polarized antenna and a radiation unit thereof.
- the base station antenna is a key component of the mobile communication network, and it not only provides a physical link between the mobile station and the base station, but also an important device in the application of mobile communication technologies such as frequency reuse, diversity reception, and optimized coverage.
- various application technologies have also proposed various performance requirements for the performance of the base station antenna.
- One of the main concerns of mobile communication technology is how to use limited spectrum resources to meet the needs of users, in space and time. This has also led to the emergence of various mobile communication standards, resulting in a situation where multiple standards coexist. Therefore, how to design an antenna that can balance various performances and cover the widest possible frequency band is obviously important for adapting to various standards or for future scalability.
- the present invention provides high gain, good cross-polarization characteristics, and nearly 32%.
- a dual-polarized antenna comprising a reflector and a vibrator, the vibrator comprising a plurality of radiating devices, each radiating device comprising a support arm mounted to the reflector and erected, an outer radiating arm fixed to the end of the support arm, and The inner radiating arm; the inner radiating arm is closed-loop, the outer radiating arm is closed-loop, and the outer radiating arm surrounds the inner radiating arm and has a gap between the inner radiating arm; and the inner radiating arm is connected to the inner arm through the supporting arm The above external radiation arm.
- the above dual-polarized antenna, the above several radiation devices have a common support arm, and the above several radiation devices Arranging along the circumferential direction of the support arm; the outer radiating arm is a fan ring, and the inner radiating arm is a fan ring
- each radiating device further has a vertical radiating arm extending from the gap toward the reflecting plate, and the inner radiating arm is connected to the outer radiating arm through the vertical radiating arm.
- the center of the bottom of the support arm of the vibrator is provided with an internal thread; and the bottom side of the support arm is provided with a protruding pin for fixing the brace to the reflector, the protrusion The other end of the pin extends to the top of the support arm.
- the medium card includes a beam and a plurality of turns extending from the beam, and the plurality of turns extend into the gap of each of the radiation devices respectively.
- the spacing between the outer radiation arm and the inner radiation arm and the spacing between the outer radiation arms extending between the adjacent plurality of radiation devices for controlling the two adjacent plurality of radiation devices are controlled.
- each of the media cards includes a beam and five turns, wherein each of the two adjacent radiating devices has an outer radiating arm on each side of the radiating device and both sides of the inner radiating arm are Clamp between the turns.
- the above dual-polarized antenna has at least a portion of the turns with a barb to prevent the medium card from being detached from the radiating device.
- the above-mentioned dual-polarized antenna, the top of the support arm is provided with a feeding bridge, the feeding bridge includes two metal pieces that are three-dimensionally intersected, and two sides of the metal piece are respectively provided with a perforation, and the feeding bridge and the feeding bridge A medium is disposed between the vibrators, and the feeding bridge is connected to the vibrator through the medium, wherein the medium is a columnar body having an inner hole therebetween, and an inner hole of the medium and a bottom side of the support arm of the vibrator are disposed Some of the protruding pins or the inner conductor of the transmission cable perform a hole-axis clearance fit.
- the through hole at one end of the feeding bridge metal piece is gap-fitted and electrically connected to the protruding pin of the vibrator, and the other end of the feeding bridge is perforated with the transmission cable.
- the inner conductors are gap-fitted and electrically connected together, and the outer conductor of the transmission cable is electrically connected to the support arm of the vibrator.
- the above-mentioned radiation device is integrally formed or one-piece integrated.
- a novel dual-polarized ultra-wideband oscillator and a radiating element structure thereof are provided, the frequency range of which spans from 698 MHz up to 960 MHz, high gain, good cross-polarization characteristics, and a standing wave ratio in a frequency band of approximately 32%
- An integrated broadband dual-polarized antenna oscillator of less than 1.5 is excellent, and its size is especially small, especially suitable for miniaturization, multi-frequency system antenna design and layout.
- FIG. 2 is a schematic detailed view of the top angle observation of the main part structure of the present invention.
- FIG. 3 is a schematic detailed view of the bottom angle observation of the main part structure of the present invention.
- FIG. 4 is a schematic detailed view of a top angle observation vibrator of the present invention.
- FIG. 5 is a schematic detailed view of the bottom angle observation vibrator of the present invention.
- FIG. 6 is a schematic view of a medium of the present invention.
- FIG. 7 is a schematic view of a feed bridge of the present invention.
- FIG. 8 is a schematic detailed view of a media card of the present invention.
- FIG. 9 is a schematic detailed view of a transmission cable of the present invention.
- 01 is a reflector
- 03 is a vibrator
- 031 is an inner radiating arm
- 032 is an outer radiating arm
- 033 is a vertical radiating arm
- 034 is a supporting arm
- 0340 is an internal thread
- 05 is a medium
- 050 is a medium.
- Inner hole 07 is the feed bridge
- 071 is the first perforation
- 072 is the second perforation
- 09 is the media card
- 091 is the inter-turn
- 092 is the hook
- 1 1 is the transmission cable
- 110 is the protective layer
- 111 is the outer
- the conductor 112 is a dielectric layer
- 113 is an inner conductor
- 13 is a protruding pin.
- FIG. 1 is a schematic structural view of each part of the present invention. Includes reflector 01, vibrator 03, media 05, feed bridge 07, media card 09, and transmission cable 11.
- the vibrator 03 is fixed on the reflector 01; the dielectric card 09 is fixed on the vibrator 03; the transmission cable 11 is electrically connected to the vibrator 03 and the feeder bridge 07 respectively; the medium 05 is interposed between the vibrator 03 and the feeder bridge 07.
- the top of the vibrator 03 remote from the reflector 01 is provided with a feeding bridge 07.
- the feeding bridge 07 includes two metal sheets which are three-dimensionally intersected. The two sides of the metal sheet are respectively provided with a perforation, which are respectively the first perforations 071.
- the second through hole 072; the first through hole 071 of the feeding bridge 07 and the protruding pin 13 of the vibrator 03 are gap-fitted and electrically connected together, and the second through hole 072 and the transmission cable 11 at the other end of the feeding bridge 07
- the inner conductors 113 are bore-spaced and electrically connected together.
- FIG. 3 is a schematic detailed view of the bottom angle observation of the main part structure of the present invention.
- the protruding pin 11 of the vibrator 03 can be gap-fitted with the hole on the reflector 01, and the internal thread 12 of the vibrator 03 is screwed with the screw passing through the reflector 01, and the vibrator 03 is effectively fixed to the reflector 01. on.
- the outer conductor 15 of the transmission cable 11 is electrically connected to the support arm 13 of the vibrator 03.
- one vibrator 03 is composed of one outer radiating arm 032 and one inner radiating arm 031, and the dual polarized antenna in the figure is composed of four vibrators 03, and the outer radiating of two adjacent vibrators 03
- the arm 032 and the inner radiating arm 0 31 are connected and fixed by a media card 09.
- the media card 09 includes a beam 090, a weir 091 and a hook, and a weir 091 and a hook are arrayed at the bottom of the beam 090.
- the hooks 092 are distributed on both sides of the beam 090, and the turns 091 of the medium card 09 respectively extend into the gap between the outer radiating arm 032 and the inner radiating arm 031 of two adjacent vibrators 03, the medium card 09
- the hooks 092 are hooked on the inner radiating arms 031 of the vibrator 03, respectively.
- the protruding pin 13 is a cylindrical body extending from the bottom of the supporting arm 034 along the longitudinal direction of the supporting arm 034 to the top of the supporting arm 034, and the top of the supporting arm 034 of the protruding pin 13 is provided with a corresponding pit. , to place the medium 05 stably.
- FIG. 5 is a schematic detailed view of the bottom angle observation vibrator of the present invention.
- the vibrator 03 shown in the drawing includes an outer radiating arm 032, an inner radiating arm 031, a vertical radiating arm 033, and a supporting arm 034.
- the outer radiating arm 032 and the inner radiating arm 031 are both at the axial center of the supporting arm 034.
- the fan radius of the inner radiating arm 031 is smaller than the fan radius of the outer radiating arm 032, that is, a gap is left between the inner radiating arm 031 and the outer radiating arm 032, and the bottom of the supporting arm 034 and the reflecting plate 01 contact, the top of the support arm 034 is in contact with the inner radiating arm 031 and the outer radiating arm 032, and the inner radiating arm 031 and the outer radiating arm 032 are located on the same plane perpendicular to the top of the supporting arm 034, the inner radiating arm 031 and the outer radiating a gap between the arcs of the arms 032 is provided
- the vertical radiating arm 033 extending toward the bottom of the support arm 034, the outer radiating arm 032, the inner radiating arm 031, and the vertical radiating arm 033 of one of the vibrators 03 each have a circular and equally distributed array distribution around the axis of the supporting arm 034. And a gap is left between the outer radiating arms 032 of the two adjacent vibrators 03.
- the outer radiating arm 032 of one of the vibrators 03 is connected to the inner radiating arm 031 through the vertical radiating arm 033, and the inner radiating arms 031 of the respective vibrators 03 are connected together by the supporting arm 034, thereby effectively ensuring the strength of the vibrating arm of the vibrator 03.
- the bottom center of the support arm 034 of the vibrator 03 is provided with an internal thread 0340 such that the support arm 034 and the reflection plate 01 can be connected by screws; the bottom side of the support arm 034 is provided with a protruding pin 13 such that the support arm 034 and the reflection plate 01 is fixed by means of a clearance pin clearance, and the other end of the protruding pin 13 extends to the top of the support arm 034.
- FIG. 6 is a schematic view of a medium of the present invention.
- the medium 05 shown in the drawing is a circular cylindrical body in which the middle hollow portion is an inner hole 050 through which the inner conductor 113 can pass through the protruding pin 13 or the inner conductor 113 of the transmission cable 11.
- FIG. 7 is a schematic view of a feed bridge of the present invention.
- the feed bridge 07 shown in the figure is a flat rectangular parallelepiped, and is provided with a perforation on each side thereof, which is a first through hole 071, and a second through hole 072, which can pass through the protruding pin 13 or through the through hole.
- Conductor 113 is a flat rectangular parallelepiped, and is provided with a perforation on each side thereof, which is a first through hole 071, and a second through hole 072, which can pass through the protruding pin 13 or through the through hole.
- FIG. 8 is a schematic detailed view of a media card of the present invention.
- the media card 09 shown in the drawing includes a beam 090, a weir 091 and a hook 092; the overall appearance is similar to the toothed shape of the alveolar, and the inter-turn 091 and the hook 092 are arranged in an array on the bottom of the beam 090.
- the hooks 092 are distributed on both sides of the bottom of the beam 090, and the hook-shaped bodies of the hooks 092 on both sides face the inner side of the beam 090, and a gap is left between the turns 091 and the hooks 092.
- FIG. 9 is a schematic detailed view of a transmission cable of the present invention.
- the transmission cable 11 shown in the drawing includes a protective layer 110, an outer conductor 111, a dielectric layer 21, and an inner conductor 113.
- the inner conductor 113, the dielectric layer 21, the outer conductor 111, and the protective layer 110 are sequentially disposed from the inside to the outside, wherein the dielectric layer is an insulating layer of the inner conductor 113 and the outer conductor 111.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
本实用新型公开了一种双极化天线,包括反射板和振子;所述振子,包括若干辐射器件,每个辐射器件包括安装到反射板并竖起来的支撑臂、固定到支撑臂端部的外辐射臂和内辐射臂;所述内辐射臂为闭环状,所述外辐射臂为闭环状,所述外辐射臂环绕所述内辐射臂并与内辐射臂之间留有间隙;所述内辐射臂通过所述支撑臂连接到所述外辐射臂。本实用新型提供一种具有高增益,交叉极化特性良好,在将近32%的频带范围内其驻波比小于1.5的一体化宽频双极化天线振子。
Description
发明名称:一种双极化天线
技术领域
[0001] 本实用新型涉及移动通信基站天线领域, 尤其涉及超宽频双极化天线及其辐射 单元。
背景技术
[0002] 基站天线是移动通信网络的关键部件, 它不仅提供了移动台和基站之间的物理 链接, 同吋也是频率复用, 分集接收, 优化覆盖等移动通信技术应用中的重要 设备。 相应的, 各种应用技术对基站天线的性能也提出了各种不同的性能要求 。 其中移动通信技术最主要关注的一个问题就是如何利用有限的频谱资源, 来 满足用户的需求, 在空间和吋间上的分布。 由此也应运而生出各种移动通信标 准, 产生了多种标准并存的局面。 因此, 如何设计一种能兼顾各项性能, 覆盖 尽量宽频段的天线, 对于适应多种标准, 或者是对于今后的可扩充性来说, 显 然具有重要意义。
技术问题
问题的解决方案
技术解决方案
[0003] 为了克服传统技术的天线振子体积较大、 结构复杂、 增益低等缺点, 未能满足 日益提高的天线指标要求, 本实用新型提供具有高增益, 交叉极化特性良好, 在将近 32%的频带范围内其驻波比小于 1.5的一体化宽频双极化天线振子。
[0004] 为解决上述技术问题, 本实用新型所采用的技术方案是:
[0005] 一种双极化天线, 包括反射板和振子, 上述振子包括若干辐射器件, 每个辐射 器件包括安装到反射板并竖起来的支撑臂、 固定到支撑臂端部的外辐射臂和内 辐射臂; 上述内辐射臂为闭环状, 上述外辐射臂为闭环状, 上述外辐射臂环绕 上述内辐射臂并与内辐射臂之间留有间隙; 上述内辐射臂通过上述支撑臂连接 到上述外辐射臂。
[0006] 上述的双极化天线, 上述若干辐射器件具有共同的支撑臂, 上述若干辐射器件
沿上述支撑臂圆周方向排列; 上述外辐射臂为扇环形, 上述内辐射臂为扇环形
[0007] 上述的双极化天线, 每个辐射器件还具有从上述间隙朝向上述反射板伸出的垂 直辐射臂, 上述内辐射臂通过上述垂直辐射臂连接到上述外辐射臂。
[0008] 上述的双极化天线, 上述振子的上述支撑臂的底部中心设有内螺纹; 上述支撑 臂的底部边侧设有使撑臂与上述反射板相固定的凸出销, 上述凸出销的另一端 延伸至上述支撑臂的顶部。
[0009] 上述的双极化天线, 两相邻若干辐射器件通过介质卡连接, 上述介质卡包括横 梁、 从横梁伸出的若干劈间, 上述若干劈间分别伸入每个辐射器件的间隙用于 控制其外辐射臂与内辐射臂之间的间隔、 以及伸入该相邻若干辐射器件之间用 于控制上述两相邻若干辐射器件的外辐射臂之间的间隔。
[0010] 上述的双极化天线, 每个介质卡包括横梁和 5个劈间, 上述两相邻若干辐射器 件中, 每个辐射器件的外辐射臂两侧、 内辐射臂两侧都被上述劈间夹持。
[0011] 上述的双极化天线, 至少一部分劈间具有倒勾以防止上述介质卡脱离上述辐射 器件。
[0012] 上述的双极化天线, 上述支撑臂的顶部设有馈电桥, 上述馈电桥包括立体交叉 的两个金属片, 金属片的两边侧分别设置有一个穿孔, 上述馈电桥与上述振子 之间设置有介质, 上述馈电桥通过上述介质与上述振子相连接, 上述介质为中 间设有内孔的柱状体, 且上述介质的内孔与上述振子的支撑臂的底部边侧设有 的凸出销或者传输电缆的内导体进行孔轴间隙配合。
[0013] 上述的双极化天线, 上述馈电桥金属片一端的穿孔与上述振子的上述凸出销进 行孔轴间隙配合且电连接在一起, 上述馈电桥的另一端穿孔与上述传输电缆的 内导体进行孔轴间隙配合且电连接在一起, 上述传输电缆的外导体与上述振子 的支撑臂电连接在一起。
[0014] 上述的双极化天线, 上述辐射器件是一体成型的或为一件式整体的。
发明的有益效果
有益效果
[0015] 本实用新型的有益效果是:
[0016] 提供一种新型双极化超宽频振子及其辐射单元结构, 其频率范围横跨 698MHz 直到 960MHz, 具有高增益, 交叉极化特性良好, 在将近 32%的频带范围内其驻 波比小于 1.5的一体化宽频双极化天线振子。 各项性能非常优秀, 同吋其外形尺 寸尤其小巧, 尤其适用于小型化, 多频***天线的设计和布局。
对附图的简要说明
附图说明
[0017] 图 1为本实用新型的各零件结构示意图。
[0018] 图 2为本实用新型的主要零件结构顶部角度观测示意详图。
[0019] 图 3为本实用新型的主要零件结构底部角度观测示意详图。
[0020] 图 4为本实用新型顶部角度观测振子示意详图。
[0021] 图 5为本实用新型底部角度观测振子示意详图。
[0022] 图 6为本实用新型的介质示意图。
[0023] 图 7为本实用新型的馈电桥示意图。
[0024] 图 8为本实用新型的介质卡示意详图。
[0025] 图 9为本实用新型的传输电缆示意详图。
[0026] 图中, 01为反射板, 03为振子, 031为内辐射臂, 032为外辐射臂, 033为垂直 辐射臂, 034为支撑臂, 0340为内螺纹, 05为介质, 050为介质内孔, 07为馈电 桥, 071为第一穿孔, 072为第二穿孔, 09为介质卡, 091为劈间, 092为弯钩, 1 1为传输电缆, 110为保护层, 111为外导体, 112为介质层, 113为内导体, 13为 凸出销。
本发明的实施方式
[0027] 以下结合附图对本实用新型做进一步详细描述。
[0028] 图 1为本实用新型的各零件结构示意图。 包括反射板 01、 振子 03、 介质 05、 馈 电桥 07、 介质卡 09和传输电缆 11。 其中振子 03固定在反射板 01上; 介质卡 09固 定在振子 03上; 传输电缆 11分别与振子 03和馈电桥 07实施电连接; 介质 05夹置 在振子 03和馈电桥 07之间。
[0029] 图 2为本实用新型的主要零件结构顶部角度观测示意详图。
[0030] 远离反射板 01的振子 03顶部设有馈电桥 07, 馈电桥 07包括立体交叉的两个金属 片, 金属片的两边侧分别设置有一个穿孔, 它们分别为第一穿孔 071, 第二穿孔 072; 馈电桥 07—端的第一穿孔 071与振子 03的凸出销 13进行孔轴间隙配合且电 连接在一起, 馈电桥 07的另一端的第二穿孔 072与传输电缆 11的内导体 113进行 孔轴间隙配合且电连接在一起。
[0031 ] 其中介质 05夹在馈电桥 07和振子 03之间且介质 05的内孔 050与振子 03的凸出销 1
3或者传输电缆 11的内导体 113进行孔轴间隙配合。
[0032] 图 3为本实用新型的主要零件结构底部角度观测示意详图。
[0033] 振子 03上凸出销 11可以与反射板 01上的孔进行间隙配合, 振子 03的内螺纹 12与 穿过反射板 01的螺钉进行螺纹连接, 有效的将振子 03固定在反射板 01上。
[0034] 传输电缆 11的外导体 15与振子 03的支撑臂 13电连接在一起。
[0035] 图中可以看出, 一个振子 03由一个外辐射臂 032与一个内辐射臂 031组成, 而本 图中的双极化天线由 4个振子 03组成, 两相邻振子 03的外辐射臂 032与内辐射臂 0 31之间通过介质卡 09相连与固定, 所述介质卡 09包括横梁 090、 劈间 091和弯钩 , 劈间 091和弯钩阵列地分布在所述横梁 090底部, 其中弯钩 092分布在横梁 090 的两侧, 介质卡 09的劈间 091分别伸入到两个相邻的振子 03的外辐射臂 032与内 辐射臂 031之间的间隙里面, 介质卡 09的弯钩 092分别钩在振子 03的内辐射臂 031 上。
[0036] 图 4为本实用新型顶部角度观测振子示意详图。 从图中可以看出, 凸出销 13为 圆柱体, 从支撑臂 034的底部沿支撑臂 034纵向延伸至支撑臂 034的顶部, 凸出销 13所在支撑臂 034的顶部设有相应的坑槽, 以稳定地放置介质 05。
[0037] 图 5为本实用新型底部角度观测振子示意详图。 图中所示的振子 03包括一个外 辐射臂 032、 一个内辐射臂 031、 一个垂直辐射臂 033, 支撑臂 034, 所述外辐射 臂 032、 内辐射臂 031均为以支撑臂 034的轴心为圆心的镂空扇形, 其中内辐射臂 031的扇形半径小于外辐射臂 032的扇形半径, 亦即内辐射臂 031与外辐射臂 032 之间留有间隙, 所述支撑臂 034的底部与反射板 01接触, 所述支撑臂 034的顶部 与内辐射臂 031和外辐射臂 032接触, 内辐射臂 031与外辐射臂 032位于垂直于支 撑臂 034顶部的同一面上, 内辐射臂 031和外辐射臂 032的圆弧之间的间隙处设有
向支撑臂 034底部方向延伸的垂直辐射臂 033, 一个所述振子 03的外辐射臂 032、 内辐射臂 031、 垂直辐射臂 033均围绕支撑臂 034的轴线呈现圆形且等分的阵列分 布, 并且两相邻振子 03的外辐射臂 032之间留有间隙。
[0038] 其中一个振子 03的外辐射臂 032通过垂直辐射臂 033与内辐射臂 031连接, 各个 振子 03的内辐射臂 031通过支撑臂 034连接在一起, 有效保证了振子 03辐射臂的 强度。
[0039] 振子 03的支撑臂 034的底部中心设有内螺纹 0340使得支撑臂 034与反射板 01可以 通过螺钉连接; 支撑臂 034的底部边侧设有凸出销 13使得支撑臂 034与反射板 01 通过孔销间隙配合的方式相固定, 所述凸出销 13的另一端延伸至所述支撑臂 034 的顶部。
[0040] 图 6为本实用新型的介质示意图。
[0041] 图中所示的介质 05为圆环柱状体, 其中中间空心部分为内孔 050, 通过内孔 050 可穿过凸出销 13或者传输电缆 11的内导体 113。
[0042] 图 7为本实用新型的馈电桥示意图。
[0043] 图中所示的馈电桥 07为扁平长方体, 并在其两侧各设有一个穿孔, 分别为第一 穿孔 071, 第二穿孔 072, 通过穿孔可穿过凸出销 13或内导体 113。
[0044] 图 8为本实用新型的介质卡示意详图。
[0045] 图中所示的介质卡 09包括横梁 090、 劈间 091和弯钩 092; 整体外观近似于带牙 槽的牙齿状, 劈间 091和弯钩 092呈阵列状分布在横梁 090底部, 弯钩 092分布在 横梁 090底部两侧, 两侧弯钩 092的钩状形体均朝向横梁 090内侧, 劈间 091和弯 钩 092之间留有间隙。
[0046] 图 9为本实用新型的传输电缆示意详图。
[0047] 图中所示的传输电缆 11包括保护层 110、 外导体 111、 介质层 21和内导体 113。
[0048] 其中从里到外依次分布内导体 113, 介质层 21, 外导体 111, 保护层 110, 其中 介质层为内导体 113和外导体 111的绝缘层。
[0049] 应说明的是, 以上实施例仅用以说明本实用新型的技术方案而非限制, 尽管参 照较佳实施例对本实用新型进行了详细说明, 本领域的普通技术人员应当理解 , 可以对本实用新型的技术方案进行修改或者等同替换, 而不脱离本实用新型
技术方案的精神和范围, 其均应涵盖在本实用新型的权利要求范围当中
Claims
[权利要求 1] 一种双极化天线, 包括反射板 (01) 和振子 (03) , 其特征在于, 所 述振子 (03) 包括若干辐射器件, 每个辐射器件包括安装到反射板 ( 01) 并竖起来的支撑臂 (034) 、 固定到支撑臂 (034) 端部的外辐射 臂 (032)和内辐射臂 (031); 所述内辐射臂 (031)为闭环状, 所述外辐射 臂 (032)为闭环状, 所述外辐射臂 (032) 环绕所述内辐射臂 (031)并与 内辐射臂 (031)之间留有间隙; 所述内辐射臂 (031)通过所述支撑臂 (0 34) 连接到所述外辐射臂 (032) 。
[权利要求 2] 根据权利要求 1所述的双极化天线, 其特征在于, 所述若干辐射器件 具有共同的支撑臂 (034) , 所述若干辐射器件沿所述支撑臂 (034) 圆周方向排列; 所述外辐射臂 (032) 为扇环形, 所述内辐射臂 (031) 为扇环形。
[权利要求 3] 根据权利要求 1所述的双极化天线, 其特征在于, 每个辐射器件还具 有从所述间隙朝向所述反射板 (01) 伸出的垂直辐射臂 (033) , 所 述内辐射臂 (031)通过所述垂直辐射臂 (033) 连接到所述外辐射臂 ( 032) 。
[权利要求 4] 根据权利要求 1所述的双极化天线, 其特征在于, 所述振子 (03)的所 述支撑臂 (034)的底部中心设有内螺纹 (0340) ; 所述支撑臂 (034)的 底部边侧设有使撑臂 (034)与所述反射板 (01)相固定的凸出销 (13), 所 述凸出销 (13)的另一端延伸至所述支撑臂 (034)的顶部。
[权利要求 5] 根据权利要求 3所述的双极化天线, 其特征在于, 两相邻若干辐射器 件通过介质卡 (09) 连接, 所述介质卡 (09) 包括横梁 (090) 、 从 横梁 (090) 伸出的若干劈间 (091) , 所述若干劈间 (091) 分别伸 入每个辐射器件的间隙用于控制其外辐射臂 (032) 与内辐射臂 (031 ) 之间的间隔、 以及伸入该相邻若干辐射器件之间用于控制所述两相 邻若干辐射器件的外辐射臂 (032) 之间的间隔。
[权利要求 6] 根据权利要求 5所述的双极化天线, 其特征在于, 每个介质卡 (09) 包括横梁 (090) 和 5个劈间 (091) , 所述两相邻若干辐射器件中,
每个辐射器件的外辐射臂 (032) 两侧、 内辐射臂 (031) 两侧都被所 述劈间 (091) 夹持。
[权利要求 7] 根据权利要求 5所述的双极化天线, 其特征在于, 至少一部分劈间 (0
91) 具有倒勾以防止所述介质卡脱离所述辐射器件。
[权利要求 8] 根据权利要求 1所述的双极化天线, 其特征在于, 所述支撑臂 (034)的 顶部设有馈电桥 (07), 所述馈电桥 (07)包括立体交叉的两个金属片, 金属片的两边侧分别设置有一个穿孔, 所述馈电桥 (07)与所述振子 (03 )之间设置有介质 (05), 所述馈电桥 (07)通过所述介质 (05)与所述振子( 03)相连接, 所述介质 (05)为中间设有内孔 (050)的柱状体, 且所述介 质 (05)的内孔 (050)与所述振子 (03)的支撑臂 (034)的底部边侧设有的凸 出销 (13)或者传输电缆 (11)的内导体 (112)进行孔轴间隙配合。
[权利要求 9] 根据权利要求 8所述的双极化天线, 其特征在于, 所述馈电桥 (07)金 属片一端的穿孔 (071)与所述振子 (03)的所述凸出销 (13)进行孔轴间隙 配合且电连接在一起, 所述馈电桥 (07)的另一端穿孔 (072)与所述传输 电缆 (11)的内导体进行孔轴间隙配合且电连接在一起, 所述传输电缆 ( 11)的外导体 (111)与所述振子 (03)的支撑臂 (034)电连接在一起。
[权利要求 10] 根据权利要求 1-3任意一项所述的双极化天线, 其特征在于, 所述辐 射器件是一体成型的或为一件式整体的。
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