CN206225542U - Compact internal annular monopulse antenna - Google Patents
Compact internal annular monopulse antenna Download PDFInfo
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- CN206225542U CN206225542U CN201621253704.0U CN201621253704U CN206225542U CN 206225542 U CN206225542 U CN 206225542U CN 201621253704 U CN201621253704 U CN 201621253704U CN 206225542 U CN206225542 U CN 206225542U
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Abstract
The utility model discloses compact internal annular monopulse antenna, is related to monopulse antenna technical field, and it includes：Two antenna houses of antenna element, the sum-difference network of annulus tubbiness and annulus tubbiness, antenna element is symmetricly set on the inwall of antenna house, sum-difference network is arranged on antenna house bottom, antenna house includes the barrel-shaped cover of medium, two antenna slots, antenna slot is opened in inside the barrel-shaped cover of medium respectively, and the antenna element is provided with inside antenna slot, and it is loose that the utility model solves structure in the prior art, quality is big, and zero deeply spends inadequate technical problem.
Description
Technical field
The utility model is related to monopulse antenna technical field, more particularly to compact internal annular monopulse antenna.
Background technology
Traditional monopulse antenna physical dimension for being applied to rocket-launching battery is huge, carries and installs inconvenience, due to whole
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 too high, have a strong impact on the performance of monopulse antenna.
Authorization Notice No. is the patent of the B of CN 102354799, and it includes a pair of knot radiation patch, medium substrate, delays
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；The close the inner of 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；Some 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 the via that metallizes with the radiation tail end of antenna, another
End intersects at the convergent point of delay line with other delay line ends in same region, and the delay line in two regions passes through convergent point through connection
Line is connected, and the patent has carried out the resistor loaded with communicated delay lines to bow tie pulse antenna, in effectively reducing radiation waveform
The amplitude of tail pulse, the broadening impedance bandwidth of antenna, reduces unfavorable shadow of the loading resistor to pulse antenna radiation efficiency
Ring, but not solve existing antenna zero deep than shallower for the patent, and process consistency is poor, and the too high technology of back lobe gain is asked
Topic.
Utility model content
The purpose of this utility model is to provide compact internal annular monopulse antenna, solves structure in the prior art wide
Pine, quality is big, and zero deeply spends inadequate technical problem.
Compact internal annular monopulse antenna, including：Two antenna elements, the sum-difference network of annulus tubbiness and annulus tubbiness
Antenna house, the antenna element is symmetricly set on the cover pars intramuralis of antenna house, and the sum-difference network is arranged on antenna house bottom,
The antenna house includes the barrel-shaped cover of medium, two antenna slots, and the antenna slot is opened in inside the barrel-shaped cover of medium respectively, the day
The antenna element is installed inside wire casing.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement：
Further, the antenna element includes radiation metal level, dielectric layer and metal transmission network network layers, the radiation gold
Category layer is located at dielectric layer top, and the metal transmission network network layers are located at dielectric layer lower section.
Further, the radiation metal level is circular arc, and the dielectric layer is circular arc.Further, the radiation
Gap is offered in the middle part of metal level.
Further, the sum-difference network includes two-layer annular metallic layer, two-layer annular dielectric layer and curved metal layer, institute
State annular dielectric layer and be located at curved metal layer top, lower section respectively, the annular metallic layer is located at the annular dielectric layer respectively
Outside, curved metal layer be disposed with two inputs on annular microstrip line, and curved metal layer for arc joins end to end
Port and output port and difference 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 across the gap, the lower microstrip line passes through the middle microstrip line
Coaxial cable is connected with the input port of the sum-difference network.
The beneficial effects of the utility model：
Monopulse antenna is divided into folded doublet unit, annulus tubbiness sum-difference network and annulus tubbiness day by the utility model
Irdome, so enables to antenna element, sum-difference network and antenna house fully integratedization；The utility model significantly reduces antenna
The thickness of cover, while realizing, antenna is conformal with antenna house, physical dimension section gathers, and quality is small, is easy to carry and installs；This reality
With new zero depth for significantly improving monopulse antenna difference beam in broad frequency range less than -20dB and beam gain (representative value
More than 6dB)；The utility model is reduced and beam side lobe amplitude.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the compact internal annular monopulse antenna described in the utility model specific embodiment；
Fig. 2 is that the antenna unit structure of the compact internal annular monopulse antenna described in the utility model specific embodiment shows
It is intended to；
Fig. 3 is the sum-difference network section view of the compact internal annular monopulse antenna described in the utility model specific embodiment
Figure；
Fig. 4 is the curved metal Rotating fields of the compact internal annular monopulse antenna described in the utility model specific embodiment
Schematic diagram；
Fig. 5 is the metal transmission network network layers of the compact internal annular monopulse antenna described in the utility model specific embodiment
Structural representation；
Reference：
1- antenna elements；2- sum-difference networks；3- antenna houses；The barrel-shaped cover of 4- media；5- antenna slots；6- radiates metal level；7-
Dielectric layer；8- metal transmission network network layers；9- gaps；10- annular metallic layers；11- annular dielectric layers；12- curved metals layer；13-
Input port；14- differs from output port；15- and output port；The upper microstrip lines of 16-；Microstrip line in 17-；Microstrip line under 18-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Fig. 1 is the front view of the compact internal annular monopulse antenna described in the utility model specific embodiment.
As shown in figure 1, compact internal annular monopulse antenna provided by the utility model, including：Two antenna elements
1st, the antenna house 3 of the sum-difference network 2 of annulus tubbiness and annulus tubbiness, when in use, using annulus tubbiness, can be straight when mounted
Connect and the utility model is enclosed within launching tube port position, convenient to install, the antenna element 1 is symmetricly set on the cover of antenna house 3
Pars intramuralis, is placed by symmetrical annular, and zero deep index is less than -20dB；The sum-difference network 2 is arranged on antenna house bottom, described
Antenna house 3 includes medium 4, two antenna slots 5 of barrel-shaped cover, and the antenna slot 5 is opened in inside the barrel-shaped cover 4 of medium respectively, described
The antenna element 1 is installed, be arranged on antenna element 1 inside antenna slot 5 by the utility model, so not inside antenna slot 5
Only ensure that the Stability Analysis of Structures of antenna element 1, it is ensured that the stability of antenna element 1, and by the symmetrical antenna of antenna slot 5
Unit, ensure that antenna element bandwidth of operation more than more than 100MHZ, and standing wave is below 1.5
Further, as shown in Fig. 2 the antenna element 1 includes radiation metal level 6, dielectric layer 7 and metal feeding network
Layer 8, the radiation metal level 6 is located at the top of dielectric layer 7, and the metal transmission network network layers 8 are located at the lower section of dielectric layer 7.
Further, as shown in Fig. 2 the radiation metal level 6 is circular arc, the dielectric layer 7 is circular arc.
Wherein, the middle part of the middle ring radiation metal level 10 offers gap 9, and wherein gap 9 can be U-shaped, or
Other shapes.
Further, as shown in Figure 3-4, the sum-difference network 2 includes two-layer annular metallic layer 10, two-layer annular dielectric layer
11 and curved metal layer 12, the annular dielectric layer 11 respectively be located at curved metal layer 12 top, lower section, the annular metallic layer
10 are located at the outside of the annular dielectric layer 11 respectively, and the curved metal layer 12 joins end to end annular microstrip line, and arc for arc
Two input ports 13 and output port 14 and difference output port 15 are disposed with shape metal level, the utility model passes through
Annular strip line sum-difference network is installed in antenna house bottom, antenna and beam gain is significantly improved.
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 gap 9, the lower microstrip line 18 is connected by coaxial cable with the input port 13 of the sum-difference network 2.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (6)
1. compact internal annular monopulse antenna, it is characterised in that including：Two antenna elements, the sum-difference networks of annulus tubbiness
With the antenna house of annulus tubbiness, the antenna element is symmetricly set on the cover pars intramuralis of antenna house, and the sum-difference network is arranged on
Antenna house bottom, the antenna house includes the barrel-shaped cover of medium, two antenna slots, and the antenna slot is opened in the barrel-shaped cover of medium respectively
Inside, is provided with the antenna element inside the antenna slot.
2. compact internal according to claim 1 annular monopulse antenna, it is characterised in that the antenna element includes spoke
Metal level, dielectric layer and metal transmission network network layers are penetrated, the radiation metal level is located at dielectric layer top, the metal feeding network
Layer is located at dielectric layer lower section.
3. compact internal according to claim 2 annular monopulse antenna, it is characterised in that the radiation metal level is circle
Arc, the dielectric layer is circular arc.
4. compact internal according to claim 3 annular monopulse antenna, it is characterised in that in the radiation metal level
Portion offers gap.
5. compact internal according to claim 4 annular monopulse antenna, it is characterised in that the sum-difference network includes two
Layer annular metallic layer, two-layer annular dielectric layer and curved metal layer, the annular dielectric layer respectively be located at curved metal layer top,
Lower section, the annular metallic layer is located at the annular dielectric layer outside respectively, and the curved metal layer joins end to end ring for arc
Two input ports and output port and difference output port are disposed with shaped microstrip line, and curved metal layer.
6. compact internal according to claim 5 annular monopulse antenna, it is characterised in that the metal transmission network network layers
Including 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
Shape, across the gap, the lower microstrip line passes through the input port of coaxial cable and the sum-difference network to the middle microstrip line
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253704.0U CN206225542U (en) | 2016-11-14 | 2016-11-14 | Compact internal annular monopulse antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253704.0U CN206225542U (en) | 2016-11-14 | 2016-11-14 | Compact internal annular monopulse antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206225542U true CN206225542U (en) | 2017-06-06 |
Family
ID=58790239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621253704.0U Active CN206225542U (en) | 2016-11-14 | 2016-11-14 | Compact internal annular monopulse antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206225542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349985A (en) * | 2018-11-30 | 2019-02-19 | 重庆金山医疗器械有限公司 | A kind of power supply structure and capsule endoscope |
-
2016
- 2016-11-14 CN CN201621253704.0U patent/CN206225542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349985A (en) * | 2018-11-30 | 2019-02-19 | 重庆金山医疗器械有限公司 | A kind of power supply structure and capsule endoscope |
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