CN106654552B - Built-in loop monopulse antenna - Google Patents

Built-in loop monopulse antenna Download PDF

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Publication number
CN106654552B
CN106654552B CN201611032561.5A CN201611032561A CN106654552B CN 106654552 B CN106654552 B CN 106654552B CN 201611032561 A CN201611032561 A CN 201611032561A CN 106654552 B CN106654552 B CN 106654552B
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CN
China
Prior art keywords
antenna
sum
microstrip line
annular
built
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Expired - Fee Related
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CN201611032561.5A
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Chinese (zh)
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CN106654552A (en
Inventor
曹振新
赵熠明
纪涛涛
符友
丁钟明
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Yangzhou Baojun Electronic Co Ltd Zhongdian Science & Technology
Southeast University
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Yangzhou Baojun Electronic Co Ltd Zhongdian Science & Technology
Southeast University
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Priority to CN201611032561.5A priority Critical patent/CN106654552B/en
Publication of CN106654552A publication Critical patent/CN106654552A/en
Application granted granted Critical
Publication of CN106654552B publication Critical patent/CN106654552B/en
Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • 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

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  • Waveguide Aerials (AREA)

Abstract

The present invention discloses built-in annular monopulse antenna, it is related to monopulse antenna technical field, it includes: two antenna elements, sum-difference network and antenna house, antenna element is symmetricly set on the inner wall of antenna house, sum-difference network is arranged in antenna house bottom, antenna house includes the barrel-shaped cover of medium, two antenna slots, antenna slot is provided with respectively inside the barrel-shaped cover of medium, the antenna element is installed inside antenna slot, it is loose that the present invention solves structure in the prior art, quality is big, the inadequate technical problem of zero deep depth.

Description

Built-in annular monopulse antenna
Technical field
The present invention relates to monopulse antenna technical field more particularly to built-in annular monopulse antennas.
Background technique
Traditional monopulse antenna structure size applied to rocket-launching battery is huge, installation inconvenience is carried, due to entire Antenna is located at launching tube port top, and symmetry is deteriorated, therefore antenna zero is deep than shallower, and process consistency is poor, back lobe gain It is excessively high, seriously affect the performance of monopulse antenna.
Authorization Notice No. is the patent of CN 102354799B, it includes a pair of of knot radiation patch, medium substrate, delay Line and loading resistor；Wherein knot radiation patch is located at the one side of medium substrate, and delay line, loading resistor are located at medium substrate Another side；Loading resistor is distributed on delay line；Inner end similar in two knot radiation patch is the feed end of bow tie pulse antenna, The other end is the radiation tail end of bow tie pulse antenna；Several delay lines are located at the medium base that two knot radiation patch are included In the region of back, the delay line one end in each region is connected by metallization VIA with the radiation tail end of antenna, another End and the convergent point that delay line is intersected at other delay line ends in region, the delay line in two regions is by convergent point through being connected to Line is connected, which has carried out the resistor loaded with communicated delay lines to bow tie pulse antenna, effectively reduces in radiation waveform The amplitude of tail pulse has broadened the impedance bandwidth of antenna, reduces loading resistor to the unfavorable shadow of pulse antenna radiation efficiency It rings, but the patent does not solve existing antenna zero deeply than shallower, process consistency is poor, and the excessively high technology of back lobe gain is asked Topic.
Summary of the invention
The object of the present invention is to provide built-in annular monopulse antenna, solving in the prior art that structure is loose, quality is big, The inadequate technical problem of zero deep depth.
Built-in annular monopulse antenna, comprising: two antenna elements, sum-difference network and antenna house, the antenna element pair Title is arranged in inside the cover wall of antenna house, and the sum-difference network is arranged in antenna house bottom, and the antenna house includes that medium is barrel-shaped Cover, two antenna slots, the antenna slot are provided with respectively inside the barrel-shaped cover of medium, and the antenna is equipped with inside the antenna slot Unit.
Based on the above technical solution, the present invention can also be improved as follows:
Further, the sum-difference network, antenna house are annulus tubbiness, and the inner radial of the sum-difference network is not less than The inner radial of antenna house, and the outer radius of sum-difference network is not more than the outer radius of antenna house.
Further, the antenna element includes radiation metal layer, dielectric layer and metal transmission network network layers, the radiation gold Belong to layer to be located on the inside of dielectric layer, the metal transmission network network layers are located on the outside of dielectric layer.
Further, the radiation metal layer is arc-shaped, and the dielectric layer is arc-shaped.Further, the radiation Rectangular channel is offered in the middle part of metal layer.
Further, the sum-difference network includes two layers of annular metallic layer, two layers of annular dielectric layer and curved metal layer, institute It states annular dielectric layer and is located at curved metal layer top, lower section, the annular metallic layer is located at the annular dielectric layer Outside, the curved metal layer are that arc joins end to end annular microstrip line, and set gradually that there are two inputs on curved metal layer Port and output port and poor output port.
Further, the metal transmission network network layers include upper microstrip line, middle microstrip line and lower microstrip line, the upper micro-strip Line, middle microstrip line and lower microstrip line join end to end into hook-shaped, and for the middle microstrip line across the rectangular channel, the lower microstrip line is logical Coaxial cable is crossed to connect with the input port of the sum-difference network.
Beneficial effects of the present invention:
Monopulse antenna is divided into folded doublet unit, annulus tubbiness sum-difference network and annulus tubbiness antenna by the present invention Cover, enables to antenna element, sum-difference network and antenna house completely integrated in this way；Present invention significantly reduces the thickness of antenna house Degree, while the conformal of antenna and antenna house is realized, structure size section gathers, and quality is small, easy to carry and installation；The present invention is significant Improve monopulse antenna difference beam in broad frequency range zero is deep less than -20dB and beam gain (representative value is more than 6dB)；This Invention reduces and beam side lobe amplitude.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of built-in annular monopulse antenna described in the specific embodiment of the invention；
Fig. 2 is the antenna unit structure schematic diagram of built-in annular monopulse antenna described in the specific embodiment of the invention；
Fig. 3 is the sum-difference network cross-sectional view of built-in annular monopulse antenna described in the specific embodiment of the invention；
Fig. 4 is the curved metal schematic diagram of a layer structure of built-in annular monopulse antenna described in the specific embodiment of the invention；
Fig. 5 is the metal transmission network network layers structural representation of built-in annular monopulse antenna described in the specific embodiment of the invention Figure；
Appended drawing reference:
1- antenna element；2- sum-difference network；3- antenna house；The barrel-shaped cover of 4- medium；5- antenna slot；6- radiation metal layer；7- Dielectric layer；8- metal transmission network network layers；9- rectangular channel；10- annular metallic layer；11- annular dielectric layer；12- curved metal layer； 13- input port；14- difference output port；15- and output port；The upper microstrip line of 16-；Microstrip line in 17-；Microstrip line under 18-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Fig. 1 is the main view of built-in annular monopulse antenna described in the specific embodiment of the invention.
As shown in Figure 1, built-in annular monopulse antenna provided by the present invention, comprising: two antenna elements 1 and poor net Network 2 and antenna house 3, the antenna element 1 are symmetricly set on inside the cover wall of antenna house 3, are placed by symmetrical annular, zero refers to deeply Mark is less than -20dB；In antenna house bottom, the antenna house 3 includes 4, two antennas of the barrel-shaped cover of medium for the setting of sum-difference network 2 Slot 5, the antenna slot 5 are provided with respectively inside the barrel-shaped cover 4 of medium, and the antenna element 1 is equipped with inside the antenna slot 5, Antenna element 1 is mounted on inside antenna slot 5 by the present invention, can not only guarantee the stable structure of antenna element 1 in this way, it is ensured that The stability of antenna element 1, and by 5 symmetrical antenna unit of antenna slot, it can guarantee that antenna element bandwidth of operation is more than 100MHZ or more, 1.5 or less standing wave.
Further, as shown in Figure 1, the sum-difference network 2, antenna house 3 are annulus tubbiness, the sum-difference network 2 Inner radial is not less than the inner radial of antenna house 3, and the outer radius of sum-difference network 2 is not more than the outer radius of antenna house 3, Using annulus tubbiness, directly the present invention can be covered in launching tube port position during installation, facilitate installation.
Further, as shown in Fig. 2, the antenna element 1 includes radiation metal layer 6, dielectric layer 7 and metal feeding network Layer 8, the radiation metal layer 6 are located at 7 inside of dielectric layer, and the metal transmission network network layers 8 are located at 7 outside of dielectric layer.
Further, as shown in Fig. 2, the radiation metal layer 6 be it is arc-shaped, the dielectric layer 7 be it is arc-shaped.
Wherein, the middle part of the radiation metal layer 6 offers rectangular channel 9.
Further, as shown in Figure 3-4, the sum-difference network 2 includes two layers of annular metallic layer 10, two layers of annular dielectric layer 11 and curved metal layer 12, the annular dielectric layer 11 is located at 12 top of curved metal layer, lower section, the annular metallic layer 10 are located at 11 outside of annular dielectric layer, and the curved metal layer 12 is that arc joins end to end annular microstrip line, and arc It is set gradually on shape metal layer there are two input port 13 and output port 14 and poor output port 15, the present invention passes through in day Annular strip line sum-difference network is installed in irdome bottom, significantly improves antenna and beam gain.
Further, as shown in figure 5, the metal transmission network network layers 8 include upper microstrip line 16, middle microstrip line 17 and under it is micro- Band line 18, the upper microstrip line 16, middle microstrip line 17 and lower microstrip line 18 join end to end into it is hook-shaped, the middle microstrip line 17 across The rectangular channel 9, the lower microstrip line 18 are connect by coaxial cable with the input port 13 of the sum-difference network 2.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (6)

1.内置环形单脉冲天线，其特征在于，包括：两个天线单元、和差网络和天线罩，所述天线单元对称设置在天线罩的罩壁内部，所述和差网络设置在天线罩底部，所述天线罩包括介质桶形罩、两个天线槽，所述天线槽分别开设在介质桶形罩内部，所述天线槽内部安装有所述天线单元，所述和差网络、天线罩均为圆环桶状，所述和差网络的内部半径不小于天线罩的内部半径，且和差网络的外部半径不大于天线罩的外部半径。1. The built-in annular monopulse antenna is characterized in that it comprises: two antenna units, a sum-difference network and a radome, the antenna units are symmetrically arranged inside the cover wall of the radome, and the sum-difference network is arranged at the bottom of the radome , the radome includes a medium barrel-shaped cover and two antenna slots, the antenna slots are respectively opened inside the dielectric barrel-shaped cover, the antenna unit is installed inside the antenna slot, and the sum-difference network and the radome are both In a circular barrel shape, the inner radius of the sum-difference network is not less than the inner radius of the radome, and the outer radius of the sum-difference network is not greater than the outer radius of the radome. 2.根据权利要求1所述的内置环形单脉冲天线，其特征在于，所述天线单元包括辐射金属层、介质层和金属馈电网络层，所述辐射金属层位于介质层内侧，所述金属馈电网络层位于介质层外侧。2 . The built-in loop monopulse antenna according to claim 1 , wherein the antenna unit comprises a radiating metal layer, a dielectric layer and a metal feeding network layer, the radiating metal layer is located inside the dielectric layer, and the metal The feeding network layer is located outside the dielectric layer. 3.根据权利要求2所述的内置环形单脉冲天线，其特征在于，所述辐射金属层为圆弧形，所述介质层为圆弧形。3 . The built-in loop monopulse antenna according to claim 2 , wherein the radiating metal layer is arc-shaped, and the dielectric layer is arc-shaped. 4 . 4.根据权利要求3所述的内置环形单脉冲天线，其特征在于，所述辐射金属层的中部开设有矩形槽。4 . The built-in loop monopulse antenna according to claim 3 , wherein a rectangular slot is formed in the middle of the radiating metal layer. 5 . 5.根据权利要求4所述的内置环形单脉冲天线，其特征在于，所述和差网络包括两层环形金属层、两层环形介质层和弧形金属层，所述环形介质层分别位于弧形金属层上方、下方，所述环形金属层分别位于所述环形介质层外侧，所述弧形金属层为弧形首尾相连环形微带线，且弧形金属层上依次设置有两个输入端口、和输出端口及差输出端口。5 . The built-in annular monopulse antenna according to claim 4 , wherein the sum-difference network comprises two annular metal layers, two annular dielectric layers and an arc-shaped metal layer, and the annular dielectric layers are respectively located in the arc. 6 . Above and below the circular metal layer, the circular metal layers are respectively located outside the circular dielectric layer, the arc-shaped metal layer is an arc-shaped end-to-end connected annular microstrip line, and the arc-shaped metal layer is sequentially provided with two input ports , sum output port and difference output port. 6.根据权利要求5所述的内置环形单脉冲天线，其特征在于，所述金属馈电网络层包括上微带线、中微带线和下微带线，所述上微带线、中微带线和下微带线首尾相连成钩状，所述中微带线横跨所述矩形槽，所述下微带线通过同轴电缆与所述和差网络的输入端口连接。6 . The built-in loop monopulse antenna according to claim 5 , wherein the metal feeding network layer comprises an upper microstrip line, a middle microstrip line, and a lower microstrip line, and the upper microstrip line, the middle The microstrip line and the lower microstrip line are connected end to end in a hook shape, the middle microstrip line spans the rectangular slot, and the lower microstrip line is connected to the input port of the sum-difference network through a coaxial cable.
CN201611032561.5A 2016-11-14 2016-11-14 Built-in loop monopulse antenna Expired - Fee Related CN106654552B (en)

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US12300878B2 (en) * 2022-09-06 2025-05-13 Oura Health Oy Slot antenna in a wearable device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102354799B (en) * 2011-11-01 2014-05-07 东南大学 Resistance loading bow-tie pulse antenna for connected delay line
CN102904069B (en) * 2012-10-26 2015-04-29 浙江大学 Method for designing array antenna with circular aperture field distribution based on Sinc function
CN104198994A (en) * 2014-08-21 2014-12-10 上海无线电设备研究所 Conformal phased array radar structure
CN105375102A (en) * 2015-12-14 2016-03-02 东南大学 Longitudinally integrated rocket tube antenna
CN108173002A (en) * 2017-12-19 2018-06-15 哈尔滨工业大学（威海） A Composite Polarization Sensitive Array Device Based on Conformal Vivaldi Antenna

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