CN106532222B - Built-in folding monopulse antenna - Google Patents
Built-in folding monopulse antenna Download PDFInfo
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- CN106532222B CN106532222B CN201611024947.1A CN201611024947A CN106532222B CN 106532222 B CN106532222 B CN 106532222B CN 201611024947 A CN201611024947 A CN 201611024947A CN 106532222 B CN106532222 B CN 106532222B
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- microstrip line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
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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
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Abstract
The present invention discloses built-in folding monopulse antenna, it is related to monopulse antenna technical field, it includes: two folded antenna units, sum-difference network and antenna house, folded antenna unit 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 folded antenna unit 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 folding 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 102354799 B of CN, 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 folding monopulse antenna, solving in the prior art that structure is loose, quality is big,
The inadequate technical problem of zero deep depth.
Built-in folding monopulse antenna, comprising: two folded antenna units, sum-difference network and antenna house, the folding 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 folded antenna 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 folded antenna unit includes radiation metal layer, dielectric layer and metal transmission network network layers, the spoke
It penetrates metal layer to be located above dielectric layer, the metal transmission network network layers are located at below dielectric layer.
Further, the radiation metal layer includes the first rectangular radiation metal layer, the second rectangular radiation metal layer and the
Three rectangular radiation metal layers, the first rectangular radiation metal layer side edge and the second rectangular radiation metal layer side edge phase
The conjunction that crosses forms the first obtuse angle, the third rectangular radiation metal layer side edge and the second rectangular radiation metal layer side edge
Intersection converges to form the second obtuse angle.
Further, rectangular channel is offered in the middle part of the second rectangular radiation metal layer.
Further, the dielectric layer includes first medium layer, second dielectric layer and third dielectric layer, the first medium
The side edge of layer intersects to converge with the side edge of second dielectric layer to form third obtuse angle, the side side of the third dielectric layer
Edge intersects to converge with the side edge of second dielectric layer to form the 4th obtuse angle, the angle at first obtuse angle and the angle at third obtuse angle
Degree communicates, and the angle at second obtuse angle is identical as the angle at the 4th obtuse angle, is easy for folding day using the beneficial effect of this step
Line unit forms integration.
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 folding monopulse antenna described in the specific embodiment of the invention；
Fig. 2 is the folded antenna cellular construction signal of built-in folding monopulse antenna described in the specific embodiment of the invention
Figure；
Fig. 3 is the sum-difference network cross-sectional view of built-in folding 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 folding monopulse antenna described in the specific embodiment of the invention；
Fig. 5 is the metal transmission network network layers structural representation of built-in folding monopulse antenna described in the specific embodiment of the invention
Figure；
Appended drawing reference:
1- folded antenna unit；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- the first rectangular radiation metal layer；10- the second rectangular radiation metal layer；11-
Three rectangular radiation metal layers；The first obtuse angle 12-；The second obtuse angle 13-；14- rectangular channel；15- first medium layer；16- second medium
Layer；17- third dielectric layer；18- third obtuse angle；The 4th obtuse angle 19-；20- annular metallic layer；21- annular dielectric layer；22- arc
Metal layer；23- input port；24- difference output port；25- and output port；The upper microstrip line of 26-；Microstrip line in 27-；Under 28-
Microstrip line.
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 folding monopulse antenna described in the specific embodiment of the invention.
As shown in Figure 1, built-in folding monopulse antenna provided by the present invention, comprising: two 1 and of folded antenna unit
Poor network 2 and antenna house 3, the folded antenna unit 1 are symmetricly set on inside the cover wall of antenna house 3, are put by symmetrical annular
It sets, zero deep index is less than -20dB；In antenna house bottom, the antenna house 3 includes the barrel-shaped cover of medium for the setting of sum-difference network 2
4, two antenna slots 5, the antenna slot 5 are provided with inside the barrel-shaped cover 4 of medium respectively, are equipped with inside the antenna slot 5 described
Folded antenna unit 1 is mounted on inside antenna slot 5 by folded antenna unit 1, the present invention, can not only guarantee folded antenna in this way
The stable structure of unit 1, it is ensured that the stability of folded antenna unit 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 folded antenna unit 1 includes radiation metal layer 6, dielectric layer 7 and metal feed
Network layer 8, the radiation metal layer 6 are located at 7 top of dielectric layer, and the metal transmission network network layers 8 are located at 7 lower section of dielectric layer.
Further, as shown in Fig. 2, the radiation metal layer 6 includes the first rectangular radiation metal layer 9, the second rectangle spoke
Penetrate metal layer 10 and third rectangular radiation metal layer 11, the 9 side edge of the first rectangular radiation metal layer and the second rectangle spoke
It penetrates the intersection of 10 side edge of metal layer to converge to form the first obtuse angle 12, the 11 side edge of third rectangular radiation metal layer and the
The intersection of two rectangular radiation metal layers, 10 side edge converges to form the second obtuse angle 13.
Wherein, the middle part of the second rectangular radiation metal layer 10 offers rectangular channel 14.
Further, the dielectric layer 7 includes first medium layer 15, second dielectric layer 16 and third dielectric layer 17, described
The side edge of first medium layer 15 intersects to converge with the side edge of second dielectric layer 16 to form third obtuse angle 18, the third
The side edge of dielectric layer 17 intersects to converge with the side edge of second dielectric layer 16 to form the 4th obtuse angle 19, first obtuse angle
12 angle is identical as the angle at third obtuse angle 18, and the angle at second obtuse angle 13 is identical as the angle at the 4th obtuse angle 19.
Further, as shown in Figure 3-4, the sum-difference network 2 includes two layers of annular metallic layer 20, two layers of annular dielectric layer
21 and curved metal layer 22, the annular dielectric layer 21 is located at 22 top of curved metal layer, lower section, the annular metallic layer
20 are located at 21 outside of annular dielectric layer, and the curved metal layer 22 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 23 and output port 25 and poor output port 24, 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 26, middle microstrip line 27 and under it is micro-
Band line 28, the upper microstrip line 26, middle microstrip line 27 and lower microstrip line 28 join end to end into it is hook-shaped, the middle microstrip line 27 across
The rectangular channel 14, the lower microstrip line 28 are connect by coaxial cable with the input port 23 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 (7)
1. built-in fold monopulse antenna characterized by comprising two folded antenna units, sum-difference network and antenna house, institute
It states folded antenna unit to be symmetricly set on inside the cover wall of antenna house, the sum-difference network is arranged in antenna house bottom, the day
Irdome includes the barrel-shaped cover of medium, two antenna slots, and the antenna slot is provided with respectively inside the barrel-shaped cover of medium, in the antenna slot
Portion is equipped with the folded antenna unit, and the sum-difference network, antenna house are annulus tubbiness, the inside half of the sum-difference network
Diameter 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.
2. built-in folding monopulse antenna according to claim 1, which is characterized in that the folded antenna unit includes spoke
Metal layer, dielectric layer and metal transmission network network layers are penetrated, the radiation metal layer is located above dielectric layer, the metal feeding network
Layer is located at below dielectric layer.
3. built-in folding monopulse antenna according to claim 2, which is characterized in that the radiation metal layer includes first
Rectangular radiation metal layer, the second rectangular radiation metal layer and third rectangular radiation metal layer, the first rectangular radiation metal layer
Side edge intersects to converge to form the first obtuse angle with the second rectangular radiation metal layer side edge, the third rectangular radiation metal
Intersect to converge to form the second obtuse angle with the second rectangular radiation metal layer side edge in layer side edge.
4. built-in folding monopulse antenna according to claim 3, which is characterized in that the second rectangular radiation metal layer
Middle part offer rectangular channel.
5. built-in folding monopulse antenna according to claim 4, which is characterized in that the dielectric layer includes first medium
Layer, second dielectric layer and third dielectric layer, the side edge of the first medium layer intersect with the side edge of second dielectric layer
Converge to form third obtuse angle, the side edge of the third dielectric layer intersects with the side edge of second dielectric layer to be converged to form
The angle at four obtuse angles, first obtuse angle is identical as the angle at third obtuse angle, angle and the 4th obtuse angle at second obtuse angle
Angle is identical.
6. built-in folding monopulse antenna according to claim 5, 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.
7. built-in monopulse antenna is folded according to claim 6, 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 |
|---|---|---|---|
| CN201611024947.1A CN106532222B (en) | 2016-11-14 | 2016-11-14 | Built-in folding monopulse antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024947.1A CN106532222B (en) | 2016-11-14 | 2016-11-14 | Built-in folding monopulse antenna |
Publications (2)
| Publication Number | Publication Date |
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| CN106532222A CN106532222A (en) | 2017-03-22 |
| CN106532222B true CN106532222B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611024947.1A Active CN106532222B (en) | 2016-11-14 | 2016-11-14 | Built-in folding monopulse antenna |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010470A (en) * | 1976-03-10 | 1977-03-01 | The United States Of America As Represented By The Secretary Of The Army | Multi-function integrated radome-antenna system |
| CN104198994A (en) * | 2014-08-21 | 2014-12-10 | 上海无线电设备研究所 | Conformal phased array radar structure |
| CN105119045A (en) * | 2015-09-10 | 2015-12-02 | 西安航天恒星科技实业(集团)公司 | L-band missile-borne conformal array antenna |
| CN105375102A (en) * | 2015-12-14 | 2016-03-02 | 东南大学 | Longitudinally integrated rocket tube antenna |
| CN205081243U (en) * | 2015-09-24 | 2016-03-09 | 嘉善金昌电子有限公司 | Directional diagram restructural satellite guidance antenna |
| CN106207467A (en) * | 2016-08-31 | 2016-12-07 | 航天恒星科技有限公司 | A kind of active multi-beam phased array antenna system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8988274B2 (en) * | 2009-11-16 | 2015-03-24 | The Board Of Regents Of The University Of Oklahoma | Cylindrical polarimetric phased array radar |
-
2016
- 2016-11-14 CN CN201611024947.1A patent/CN106532222B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010470A (en) * | 1976-03-10 | 1977-03-01 | The United States Of America As Represented By The Secretary Of The Army | Multi-function integrated radome-antenna system |
| CN104198994A (en) * | 2014-08-21 | 2014-12-10 | 上海无线电设备研究所 | Conformal phased array radar structure |
| CN105119045A (en) * | 2015-09-10 | 2015-12-02 | 西安航天恒星科技实业(集团)公司 | L-band missile-borne conformal array antenna |
| CN205081243U (en) * | 2015-09-24 | 2016-03-09 | 嘉善金昌电子有限公司 | Directional diagram restructural satellite guidance antenna |
| CN105375102A (en) * | 2015-12-14 | 2016-03-02 | 东南大学 | Longitudinally integrated rocket tube antenna |
| CN106207467A (en) * | 2016-08-31 | 2016-12-07 | 航天恒星科技有限公司 | A kind of active multi-beam phased array antenna system |
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| CN106532222A (en) | 2017-03-22 |
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