CN106654552B - Built-in annular monopulse antenna - Google Patents
Built-in annular monopulse antenna Download PDFInfo
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- 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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- antenna
- annular
- microstrip line
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- network
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—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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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
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)
- Annular monopulse antenna built in 1. characterized by comprising two antenna elements, sum-difference network and antenna house, the day Line unit is symmetricly set on inside the cover wall of antenna house, and the sum-difference network is arranged in antenna house bottom, and the antenna house includes The barrel-shaped cover of medium, two antenna slots, the antenna slot are provided with inside the barrel-shaped cover of medium respectively, are equipped with inside the antenna slot The antenna element, the sum-difference network, antenna house are annulus tubbiness, and the inner radial of the sum-difference network is not less than antenna The inner radial of cover, and the outer radius of sum-difference network is not more than the outer radius of antenna house.
- 2. built-in annular monopulse antenna according to claim 1, which is characterized in that the antenna element includes radiation gold Belong to layer, dielectric layer and metal transmission network network layers, the radiation metal layer is located on the inside of dielectric layer, the metal transmission network network layers position On the outside of dielectric layer.
- 3. built-in annular monopulse antenna according to claim 2, which is characterized in that the radiation metal layer is circular arc Shape, the dielectric layer are arc-shaped.
- 4. built-in annular monopulse antenna according to claim 3, which is characterized in that opened in the middle part of the radiation metal layer Equipped with rectangular channel.
- 5. built-in annular monopulse antenna according to claim 4, which is characterized in that the sum-difference network includes two layers of ring Shape metal layer, two layers of annular dielectric layer and curved metal layer, the annular dielectric layer is located above curved metal layer, under Side, the annular metallic layer are located on the outside of the annular dielectric layer, and the curved metal layer is that arc joins end to end annular Microstrip line, and set gradually that there are two input port and output port and poor output ports on curved metal layer.
- 6. built-in annular monopulse antenna according to claim 5, which is characterized in that the metal transmission network network layers include Upper microstrip line, middle microstrip line and lower microstrip line, the upper microstrip line, middle microstrip line and lower microstrip line join end to end into hook-shaped, institute Middle microstrip line is stated across the rectangular channel, the lower microstrip line is connected by coaxial cable and the input port of the sum-difference network It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032561.5A CN106654552B (en) | 2016-11-14 | 2016-11-14 | Built-in annular monopulse antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032561.5A CN106654552B (en) | 2016-11-14 | 2016-11-14 | Built-in annular monopulse antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106654552A CN106654552A (en) | 2017-05-10 |
| CN106654552B true CN106654552B (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611032561.5A Active CN106654552B (en) | 2016-11-14 | 2016-11-14 | Built-in annular monopulse antenna |
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Family Cites Families (5)
| 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 kind of compound polarization sensitive array device based on conformal Vivaldi antennas |
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- 2016-11-14 CN CN201611032561.5A patent/CN106654552B/en active Active
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