CN205141131U - High -gain end -fire conformal antenna and antenna array - Google Patents
High -gain end -fire conformal antenna and antenna array Download PDFInfo
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- CN205141131U CN205141131U CN201520877766.8U CN201520877766U CN205141131U CN 205141131 U CN205141131 U CN 205141131U CN 201520877766 U CN201520877766 U CN 201520877766U CN 205141131 U CN205141131 U CN 205141131U
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Abstract
The utility model relates to a high -gain end -fire conformal antenna and antenna array. On the base member that first dielectric substrate, second dielectric substrate and third dielectric substrate are constituteed, be equipped with dipole metal paster, parasitic metal paster, feed metal paster and feed coaxial connector more than two. The surperficial seamless laminating of base member and modern carrier has realized conformal with modern carrier. The utility model has the advantages of little volume, high -gain, low section, weight volume, can satisfy to antenna performance have relatively high expectations, the volume is less and the occasion sensitive to antenna weight, overall dimension. This antenna and carrier integrated design, but wide application in various carrier platforms.
Description
Technical field
The utility model belongs to antenna technical field, is specifically related to high-gain end-on-fire antenna that is a kind of and modern times carrier close-coupled design.
Background technology
Along with array technique development, antenna system gets more and more, and form gets more and more, and the field of application is also more and more wider.Traditional array antenna mostly is the side-looking battle array adopting actinal surface antenna as radiating element, and its radiation direction is perpendicular to array plane.Antenna gain is higher, and required array aperture area is larger, and volume, the weight of antenna also increase thereupon.But modern carrier is often very strict to characteristic requirements such as the low-drag of antenna, low section, small size, light weight, sometimes even sacrifices electrical property to meet this characteristic requirements.This will limit the application of array antenna on modern carrier greatly.For one-dimensional array antenna and the less two-dimensional array antenna of unit number, suitably reduce array aperture area by the gain increasing radiating element.High-gain end-on-fire antenna unit conventional at present mainly contains Yagi antenna, dielectric rod antenna and helical antenna etc.In order to ensure antenna gain, the usual axial dimension of such antenna is large, be unfavorable for installing, and the air drag of respective carrier is larger.Therefore, conformal design becomes the inevitable choice of array antenna development.Existing high-gain end-on-fire antenna form axial dimension is large, is not suitable for carrier conformal.
Utility model content
Both satisfied conformal with carrier in order to solve, can meet again the higher performance requirement of antenna, the utility model provides a kind of high-gain end-fire conformal antenna.
A kind of high-gain end-fire conformal antenna comprises first medium substrate 1, second medium substrate 2, the 3rd dielectric substrate 3, the parasitic metal paster 5 of dipole metal patch more than 4, two articles, feed metal paster 6 and feed coaxial connector 7;
Described first medium substrate 1, second medium substrate 2 and the 3rd dielectric substrate 3 be the overlapping matrix being fitted and connected into a curved tabular successively; The one end in length thereof direction is spoke side, and the other end is feed end; Described feed end is provided with feed coaxial connector 7; Matrix realizes the function of antenna;
The parasitic metal paster 5 of described dipole metal patch 4 and more than two forms radiation metal paster, is located between first medium substrate 1 and second medium substrate 2;
Described feed metal paster 6 is located at the lateral surface of the 3rd dielectric substrate 3, and feed metal paster 6 is connected to the inner wire 71 of feed coaxial connector 7, and the outer conductor 72 of feed coaxial connector 7 is connected to dipole metal patch 4;
Feed metal paster 6, by the mode of the energy of feed coaxial connector 7 by Space Coupling, is fed to dipole metal patch 4; Dipole metal patch 4 by the emittance that receives by the parasitic metal paster 5 of more than two to the spoke side transmission of matrix, form end-fire wave beam, improve gain.
Concrete scheme of optimizing structure is as follows:
Described dipole metal patch 4 is I-shaped, and its bottom and matrix vertical with top, the length of dipole metal patch 4 is the half-wavelength of operating frequency of antenna.The bottom of dipole metal patch 4 is connected to the outer conductor 72 of feed coaxial connector 7, and top is the half-wave dipole of open circuit.
Described feed metal paster 6 is L shape, and its crotch end is corresponding up and down with the half-wave dipole of the open circuit of dipole metal patch 4, and the other end is connected to the inner wire 71 of feed coaxial connector 7.
Described parasitic metal paster 5 is strip, is provided with four pieces altogether, and is all parallel to the two ends of dipole metal patch 4.
Described feed coaxial connector 7 is fixed on the 3rd dielectric substrate 3, and its effect is fed on radiation metal paster by the energy on coaxial feeder.
Plural a kind of high-gain end-fire conformal antenna broad ways is connected to form antenna array, and the feed coaxial connector 7 of plural a kind of high-gain end-fire conformal antenna is positioned at phase the same side of antenna array.
The utility model has the advantages such as small size, high-gain, low section, light weight, and can meet and require higher to antenna performance, small volume and the occasion to antenna weights, overall dimension sensitivity, can be applicable to various carrier platform.
Advantageous Effects of the present utility model embodies in the following areas:
1. this antenna section height is only 0.005 center frequency wavelength, much smaller than the section height of horn antenna and helical antenna, meets the requirement of modern carrier to low-drag.
2., relative to traditional dipole antenna, the lobe width of this antenna is reduced to 40 degree, and gain improves about 7dB.
3. the lighter in weight of this antenna, main by weight is determined by dielectric substrate, and relative to Waveguide slot antenna, this antenna has lightweight advantage.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the vertical view removing substrate;
Fig. 4 is the size indication figure of dipole paster and parasitic patch;
Fig. 5 is the size indication figure of fed patch;
Fig. 6 is feed coaxial connector structure schematic diagram;
Fig. 7 is a kind of high-gain end-fire conformal antenna front structural representation.
Sequence number in upper figure: first medium substrate 1, second medium substrate 2, the 3rd dielectric substrate 3, dipole paster 4, parasitic patch 5, fed patch 6, feed coaxial connector 7, inner wire 71, outer conductor 72.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is further described.
Embodiment 1
See Fig. 1 and Fig. 2, a kind of high-gain end-fire conformal antenna comprises first medium substrate 1, second medium substrate 2, the 3rd dielectric substrate 3, the parasitic metal paster 5 of dipole metal patch more than 4, two articles, feed metal paster 6 and feed coaxial connector 7.
First medium substrate 1, second medium substrate 2 and the 3rd dielectric substrate 3 be the overlapping matrix being fitted and connected into a curved tabular successively, one end spoke side of the length direction of matrix, and the other end is feed end; The feed end of matrix is provided with feed coaxial connector 7, and matrix realizes the function of antenna.The seamless surface laminating of matrix and modern carrier, what achieve with modern carrier is conformal.The length L of first medium substrate 1, second medium substrate 2 and the 3rd dielectric substrate 3 is 143mm, and width W is 43mm, and thickness is respectively H1=0.762mm, H2=2mm, H3=0.762mm.Wherein the dielectric constant of first medium substrate 1 and the 3rd dielectric substrate 3 is 6.15, and the dielectric constant of second medium substrate 2 is 1.1.Second medium substrate is mainly in order to increase antenna structure intensity and rigidity.
See Fig. 3, the parasitic metal paster 5 of dipole metal patch 4 and four pieces of strips forms radiation metal paster, is installed between first medium substrate 1 and second medium substrate 2.
Dipole metal patch 4 is I-shaped, its bottom and matrix vertical with top, and the length of dipole metal patch 4 is the half-wavelength of operating frequency of antenna; The bottom of dipole metal patch 4 is connected to the outer conductor 72 of feed coaxial connector 7, and top is the half-wave dipole of open circuit.Four pieces of parasitic metal pasters 5 are all parallel to the two ends of dipole metal patch 4.See Fig. 4, dipole metal patch 4 is the half-wave dipole form of terminal open circuit, L1 ≈ 0.5 λ
0, λ
0centered by wavelength corresponding to frequency.In this example, H41=15mm, L41=30mm.Article four, parasitic metal paster 5 utilizes Space Coupling by the energy of half-wave dipole radiation to the transmission of antenna end-on direction, forms end-fire wave beam, in this example, and H51=12mm, H52=12mm, H53=15mm, H54=14mm, L51=30mm, L52=24mm, L53=30mm, L54=22mm.The quantity of parasitic metal paster 5, spacing and concrete size can affect gain and the lobe width of antenna beam, therefore antenna gain or antenna side lobe can be made to reach optimum by optimizing corresponding parameter.
Feed metal paster 6 is installed on the lateral surface of the 3rd dielectric substrate 3, see Fig. 5, and the size of feed metal paster 6: Lb1=19mm, Lb2=7.5mm, Lb3=8mm.The shape and size of feed metal paster 6 can have an impact to the input impedance of antenna, therefore, antenna standing wave can be made to reach requirement by regulating its concrete shape and size.Feed metal paster 6 is connected to the inner wire 71 of feed coaxial connector 7, and the outer conductor 72 of feed coaxial connector 7 is connected to dipole metal patch 4.Feed metal paster 6 is L shape, and its crotch end is corresponding up and down with the half-wave dipole of the open circuit of dipole metal patch 4, and the other end is connected to the inner wire 71 of feed coaxial connector 7.See Fig. 1, Fig. 2 and Fig. 6, feed coaxial connector 7 is fixedly installed on the 3rd dielectric substrate 3, and its effect is fed on radiation metal paster by the energy on coaxial feeder.
During work, the energy of feed coaxial connector 7 is fed to dipole metal patch 4 by the mode of Space Coupling by feed metal paster 6; Dipole metal patch 4 by the emittance that receives by the parasitic metal paster 5 of more than two to the spoke side transmission of matrix, form end-fire wave beam, improve gain.
Embodiment 2
See Fig. 7, a kind of high-gain end-fire conformal antenna array connects to form antenna array, adjacent matrix seamless link by 8 high-gain end-fire conformal antenna broad wayss, and the feed coaxial connector 7 of eight high-gain end-fire conformal antennas is in the same side.
This high-gain end-fire conformal antenna front can realize sweeping mutually in the horizontal plane, its low section, light weight, and the feature of high-gain can meet the requirement of modern carrier to antenna shapes and performance.
Claims (6)
1. high-gain end-fire conformal antenna and an aerial array, is characterized in that: comprise first medium substrate (1), second medium substrate (2), the 3rd dielectric substrate (3), dipole metal patch (4), more than two articles parasitic metal paster (5), feed metal paster (6) and feed coaxial connector (7);
Described first medium substrate (1), second medium substrate (2) and the 3rd dielectric substrate (3) be the overlapping matrix being fitted and connected into a curved tabular successively; The one end in length thereof direction is spoke side, and the other end is feed end; Described feed end is provided with feed coaxial connector (7), and matrix realizes the function of antenna;
The parasitic metal paster (5) of described dipole metal patch (4) and more than two forms radiation metal paster, is located between first medium substrate (1) and second medium substrate (2);
Described feed metal paster (6) is located at the lateral surface of the 3rd dielectric substrate (3), feed metal paster (6) is connected to the inner wire (71) of feed coaxial connector (7), and the outer conductor (72) of feed coaxial connector (7) is connected to dipole metal patch (4);
During work, feed metal paster (6), by the mode of the energy of feed coaxial connector (7) by Space Coupling, is fed to dipole metal patch (4); Dipole metal patch (4) by the emittance that receives by the parasitic metal paster (5) of more than two to the spoke side transmission of matrix, form end-fire wave beam, improve gain.
2. a kind of high-gain end-fire conformal antenna according to claim 1 and aerial array, it is characterized in that: described dipole metal patch (4) is for I-shaped, its bottom and matrix vertical with top, the length of dipole metal patch (4) is the half-wavelength of operating frequency of antenna; The bottom of dipole metal patch (4) is connected to the outer conductor (72) of feed coaxial connector (7), and top is the half-wave dipole of open circuit.
3. a kind of high-gain end-fire conformal antenna according to claim 1 and aerial array, it is characterized in that: described feed metal paster (6) is L shape, its crotch end is corresponding up and down with the half-wave dipole of the open circuit of dipole metal patch (4), and the other end is connected to the inner wire (71) of feed coaxial connector (7).
4. a kind of high-gain end-fire conformal antenna according to claim 1 and aerial array, is characterized in that: described parasitic metal paster (5) is strip, is provided with four pieces altogether, and is all parallel to the two ends of dipole metal patch (4).
5. a kind of high-gain end-fire conformal antenna according to claim 1 and aerial array, it is characterized in that: described feed coaxial connector (7) is fixed on the 3rd dielectric substrate (3), its effect is fed on radiation metal paster by the energy on coaxial feeder.
6. a kind of high-gain end-fire conformal antenna according to claim 1 and aerial array, it is characterized in that: a kind of high-gain end-fire conformal antenna broad ways according to claim 1 for two or more is connected to form antenna array, and the feed coaxial connector (7) of plural a kind of high-gain end-fire conformal antenna is positioned at phase the same side of antenna array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877766.8U CN205141131U (en) | 2015-11-06 | 2015-11-06 | High -gain end -fire conformal antenna and antenna array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877766.8U CN205141131U (en) | 2015-11-06 | 2015-11-06 | High -gain end -fire conformal antenna and antenna array |
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| CN205141131U true CN205141131U (en) | 2016-04-06 |
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| CN201520877766.8U Active CN205141131U (en) | 2015-11-06 | 2015-11-06 | High -gain end -fire conformal antenna and antenna array |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406179A (en) * | 2015-11-06 | 2016-03-16 | 中国电子科技集团公司第三十八研究所 | High-gain end-fire conformal antenna |
| CN115663483B (en) * | 2022-11-10 | 2023-12-19 | 国网江苏省电力有限公司扬州供电分公司 | Super-surface end-fire broadband dipole array antenna and processing method |
-
2015
- 2015-11-06 CN CN201520877766.8U patent/CN205141131U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406179A (en) * | 2015-11-06 | 2016-03-16 | 中国电子科技集团公司第三十八研究所 | High-gain end-fire conformal antenna |
| CN105406179B (en) * | 2015-11-06 | 2018-08-21 | 中国电子科技集团公司第三十八研究所 | A kind of high-gain end-fire conformal antenna |
| CN115663483B (en) * | 2022-11-10 | 2023-12-19 | 国网江苏省电力有限公司扬州供电分公司 | Super-surface end-fire broadband dipole array antenna and processing method |
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