CN101615720B - Antenna cover - Google Patents
Antenna cover Download PDFInfo
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- CN101615720B CN101615720B CN200810128562.9A CN200810128562A CN101615720B CN 101615720 B CN101615720 B CN 101615720B CN 200810128562 A CN200810128562 A CN 200810128562A CN 101615720 B CN101615720 B CN 101615720B
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- radome
- antenna
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Abstract
The invention relates to an antenna cover comprising a basal plate of the antenna cover and a single matrix element, wherein the single matrix element is formed on the surface of the basal plate of the antenna cover and is vertical to the direction of a magnetic field of an antenna.
Description
Technical field
The invention relates to a kind of radome, and relate to especially a kind of radome that improves antenna gain and dwindle whole antenna system volume.
Background technology
The element of wireless telecommunication system indispensability is front-end circuit antenna, the concern signal quality of whole system of its characteristic.Generally speaking, the signal strength signal intensity receiving depends on the received power of receiving terminal, transmitting power, the antenna gain of transmitting antenna and the antenna gain of reception antenna of transmitting terminal.Hence one can see that, and improving antenna gain will contribute to the lifting of wireless telecommunication system signal quality.At present, the technology that improves antenna gain is for being used aerial array.Aerial array is the increase by antenna element number, improves the directive property of antenna and then has promoted antenna gain.
But aerial array increases the loss of signal that causes feed-in network in practical application, and antenna gain cannot be increased effectively.Moreover aerial array becomes large by the overall volume that causes antenna, and is not suitable for being applied on small-sized base station.
Summary of the invention
The invention relates to a kind of radome, not only effectively improve antenna gain, more significantly reduce the overall volume of antenna.
According to the present invention, a kind of radome is proposed.Radome comprises radome substrate and single matrix element (Unit Cell).Single matrix element is the surface that is formed at radome substrate, and single matrix element is perpendicular to the magnetic direction of antenna.
According to the present invention, a kind of radome is proposed.Radome comprises radome substrate and single matrix element (Unit Cell).Multiple radome substrates are superimposed each other along the magnetic direction of antenna.Multiple single matrix element are the surfaces that are formed at each radome substrate.
According to the present invention, a kind of radome is proposed.Radome comprises radome substrate and single matrix element (Unit Cell), and single matrix element is the surface that is formed at radome substrate.Single matrix element comprises a C shape conductor, the 2nd C shape conductor and the 3rd C type conductor.The 2nd C shape conductor is respectively adjacent with a C type conductor, and the 3rd C type conductor is respectively the opening that is positioned at the 2nd C type conductor.The opening of the 3rd C type conductor is respectively relative with the opening of the 2nd C type conductor.
Accompanying drawing explanation
For foregoing of the present invention can be become apparent, a preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below, wherein:
It is the schematic perspective view for a kind of antenna system according to first embodiment of the invention that Fig. 1 illustrates.
It is the end view for a kind of antenna system according to first embodiment of the invention that Fig. 2 illustrates.
It is the front view for a kind of antenna system according to first embodiment of the invention that Fig. 3 illustrates.
It is the schematic perspective view for radome that Fig. 4 illustrates.
It is the schematic perspective view for cubical antenna cover that Fig. 5 illustrates.
It is the schematic perspective view for a kind of antenna system according to second embodiment of the invention that Fig. 6 illustrates.
It is the end view for a kind of antenna system according to second embodiment of the invention that Fig. 7 illustrates.
It is the front view for a kind of antenna system according to second embodiment of the invention that Fig. 8 illustrates.
Embodiment
In order effectively to improve antenna gain and significantly to reduce the overall volume of antenna, following embodiment provides a kind of radome.Radome comprises radome substrate and single matrix element (Unit Cell).Single matrix element is the surface that is formed at radome substrate, and single matrix element is perpendicular to the magnetic direction of antenna.Visual its application demand of number of radome substrate and single matrix element, and flexibly adjust.
Referring to Fig. 1, Fig. 2 and Fig. 3, it is the schematic perspective view for a kind of antenna system according to first embodiment of the invention that Fig. 1 illustrates, it is the end view for a kind of antenna system according to first embodiment of the invention that Fig. 2 illustrates, and it is the front view for a kind of antenna system according to first embodiment of the invention that Fig. 3 illustrates.Antenna system 10 comprises antenna 110 and radome 120, and in antenna system 10, the magnetic direction of antenna 10
radiation direction
and direction of an electric field
vertical each other.Antenna 110 is with radome 120 at a distance of a specific distance x1, and specific distance x1 is the coupling amount depending between antenna 110 and radome 120.
Radome 120 comprises radome substrate 122 and single matrix element 124, and wherein, radome substrate 122 is for example not dragon (Teflon) substrate of iron.Single matrix element 124 is the surfaces that are formed at radome substrate 122, and single matrix element 124 is perpendicular to the magnetic direction of antenna 110
the radiation beam that aforementioned antenna 110 sends is along radiation direction via radome 120
penetrate, the radiation beam that makes radome 120 effectively concentrate antenna 110 to send, and then improve antenna gain.Because antenna system does not need to adopt bulky aerial array, can improve gain, therefore, will significantly reduce the overall volume of antenna system 10.In addition, because single matrix element 124 is cutting magnetic fields, and radome 120 and an antenna 110 specific distance x1 apart, therefore will effectively improve the phenomenon of frequency drift.
Please refer to Fig. 4, it illustrates is the schematic perspective view for radome.For convenience of description, following single matrix element is explanation as an example of Fig. 4 example, and so the present invention is not limited thereto, persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when visual its application, change the design aspect of single matrix element.
Furthermore, aforementioned single matrix element 124 comprises C shape conductor 1242, C shape conductor 1244 and C type conductor 1246.C shape conductor 1244 is respectively adjacent with C type conductor 1242, and C type conductor 1246 is the openings that are positioned at C type conductor 1244, and the opening of C type conductor 1246 is relative with the opening of C type conductor 1244.C shape conductor 1242 and C shape conductor 1244 have respectively angle α and angle β, and in Fig. 4, angle α and angle β equal in fact 90 degree.
In Fig. 4, the size p of radome substrate 122, size q and size r are for example 19.2mm, 19.2mm and 1.6mm respectively.And size a, size b, size c, size d, size e, size f, size g, size h are for example respectively 0.014 λ, 0.175 λ, 0.093 λ, 0.086 λ, 0.056 λ, 0.07 λ, 0.053 λ and 0.014 λ.
So this above-mentioned size is only for exemplifying explanation, and persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, changes size and the shape of single matrix element 120 when visual its application.
Please refer to Fig. 5, it illustrates is the schematic perspective view for cubical antenna cover.Though aforementioned radome 120 is formed at a radome substrate 122 as example explanation take a single matrix element 124, so the present invention is not limited thereto.For instance, the cubical antenna cover 12 that Fig. 5 illustrates comprises multiple single matrix element 124 and multiple radome substrate 122, and multiple single matrix element 124 is formed at respectively multiple radome substrates 122 surfaces.Multiple radome substrates 122 are superimposed each other, to form cubical antenna cover 12.Because cubical antenna cover 12 can be manufactured by modularization further, therefore, user can look the demand number of its antenna gain voluntarily, along radiation direction
periodically arrange or the multiple cubical antenna covers 12 of storehouse, to reach the optimum efficiency that meets individualized demand.
Referring to Fig. 6, Fig. 7 and Fig. 8, it is the schematic perspective view for a kind of antenna system according to second embodiment of the invention that Fig. 6 illustrates, it is the end view for a kind of antenna system according to second embodiment of the invention that Fig. 7 illustrates, and it is the front view for a kind of antenna system according to second embodiment of the invention that Fig. 8 illustrates.Though aforementioned radome 120 is formed at a radome substrate 122 as example explanation take a single matrix element 124, so the present invention is not limited thereto.For instance, the radome 220 of Fig. 6, Fig. 7 and Fig. 8 comprises 4 radome substrates 222, and each radome substrate 222 surfaces are to form 2 single matrix element of periodically arranging along radiation direction K 224.
Please refer to table 1, it illustrates is the mapping table to improving gain for radome substrate and single matrix element number.As previously mentioned, visual its application demand of the number of radome substrate and single matrix element, and flexibly adjust.When radome substrate number is 4, and while forming 3 single matrix element on radome substrate, antenna gain is to improve 4dB.In addition, if radome substrate number is maintained at 4, and the number that forms single matrix element on radome substrate is respectively 4,5,6,7 o'clock, and antenna gain is to improve respectively 4.7dB, 5.2dB, 5.8dB, 6.3dB.
Table 1
| Single matrix element number | 3 | 4 | 5 | 6 | 7 |
| Radome substrate number | 4 | 4 | 4 | 4 | 4 |
| Antenna gain is improved (dB) | 4 | 4.7 | 5.2 | 5.8 | 6.3 |
The disclosed radome of the above embodiment of the present invention, at least tool has the following advantages:
One, improve antenna gain.
Two, reduce the overall volume of antenna system.
Three, improve the phenomenon of frequency drift.
If four radomes are turned to cubical antenna cover by module, user can look the demand number of its antenna gain voluntarily, and the multiple cubical antenna covers of storehouse, to reach the optimum efficiency that meets individualized demand.
In sum, although the present invention discloses as above with a preferred embodiment, so it is not in order to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion of defining depending on claim scope of the present invention.
Claims (14)
1. a radome, is characterized in that, comprising:
One radome substrate; And
One single matrix element, is formed at the surface of this radome substrate, and this single matrix element is perpendicular to a magnetic direction of an antenna, and wherein this antenna comprises:
One antenna substrate; And
One radiant body, is formed at the surface of this antenna substrate, and
This radome is only covered on this radiant body, and this radome and this antenna are at a distance of 0.1 λ, the reception wavelength that λ is this antenna.
2. radome as claimed in claim 1, is characterized in that, wherein also comprises another n radome substrate, superimposed each other with this radome substrate, and wherein, n is positive integer.
3. radome as claimed in claim 2, is characterized in that, wherein this another n radome substrate and this radome substrate are built up a cubical antenna cover each other.
4. radome as claimed in claim 3, is characterized in that, wherein this cubical antenna cover is periodically arranged along a radiation direction of this antenna with another m cubical antenna cover, and wherein, m is to be positive integer.
5. radome as claimed in claim 1, is characterized in that, wherein this single matrix element comprises:
Multiple C shape conductors;
Multiple the 2nd C shape conductors are adjacent with a described C type conductor respectively; And
Multiple the 3rd C type conductors, lay respectively in the opening of described the 2nd C type conductor, and the opening of described the 3rd C type conductor is relative with the opening of described the 2nd C type conductor respectively.
6. radome as claimed in claim 5, is characterized in that, a wherein said C shape conductor has respectively an angle, and this angle equals 90 degree.
7. radome as claimed in claim 5, is characterized in that, wherein said the 2nd C shape conductor has respectively an angle, and this angle equals 90 degree.
8. a radome, is characterized in that, comprising:
Multiple radome substrates, superimposed each other along a magnetic direction of an antenna; And
Multiple single matrix element, are formed at the surface of each described radome substrate, and those single matrix element are perpendicular to the described magnetic direction of described antenna, and wherein this antenna comprises:
One antenna substrate; And
One radiant body, is formed at the surface of this antenna substrate, and
This radome is only covered on this radiant body, and this radome and this antenna are at a distance of 0.1 λ, the reception wavelength that λ is this antenna.
9. radome as claimed in claim 8, is characterized in that, wherein, this radome is a cubical antenna cover.
10. radome as claimed in claim 9, is characterized in that, wherein, this cubical antenna cover is periodically arranged along a radiation direction of this antenna with another m cubical antenna cover, and wherein, m is positive integer.
11. radomes as claimed in claim 8, is characterized in that, wherein said single matrix element is periodically arranged along a radiation direction of this antenna.
12. radomes as claimed in claim 8, is characterized in that, wherein each described single matrix element comprises:
Multiple C shape conductors;
Multiple the 2nd C shape conductors are adjacent with a described C type conductor respectively; And
Multiple the 3rd C type conductors, lay respectively in the opening of described the 2nd C type conductor, and the opening of described the 3rd C type conductor is relative with the opening of described the 2nd C type conductor of part respectively.
13. radomes as claimed in claim 12, is characterized in that, a wherein said C shape conductor has respectively an angle, and this angle equals 90 degree.
14. radomes as claimed in claim 12, is characterized in that, wherein said the 2nd C shape conductor has respectively an angle, and this angle equals 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810128562.9A CN101615720B (en) | 2008-06-27 | 2008-06-27 | Antenna cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810128562.9A CN101615720B (en) | 2008-06-27 | 2008-06-27 | Antenna cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101615720A CN101615720A (en) | 2009-12-30 |
| CN101615720B true CN101615720B (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810128562.9A Active CN101615720B (en) | 2008-06-27 | 2008-06-27 | Antenna cover |
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| Country | Link |
|---|---|
| CN (1) | CN101615720B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479128A (en) * | 1980-07-17 | 1984-10-23 | Siemens Aktiengesellschaft | Polarization means for generating circularly polarized electro-magnetic waves |
| CN1536710A (en) * | 2003-04-11 | 2004-10-13 | 北京玻璃钢研究设计院 | Antenna housing for underwater submarine and preparation method thereof |
-
2008
- 2008-06-27 CN CN200810128562.9A patent/CN101615720B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479128A (en) * | 1980-07-17 | 1984-10-23 | Siemens Aktiengesellschaft | Polarization means for generating circularly polarized electro-magnetic waves |
| CN1536710A (en) * | 2003-04-11 | 2004-10-13 | 北京玻璃钢研究设计院 | Antenna housing for underwater submarine and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| Chih-Yung Lo ET AL..Design of a Novel Planar LHM with Broadband and Double Negative Medium.《Antennas and Propagation Society International Symposium, 2007 IEEE 》.2007,2582-2585. * |
| Chun-Yih Wu,ET AL..Planar High Gain Antenna for 5.8-GHz WiMAX Operation.《TENCON 2007 - 2007 IEEE Region 10 Conference 》.2007,1-3. |
| Chun-Yih Wu,ET AL..Planar High Gain Antenna for 5.8-GHz WiMAX Operation.《TENCON 2007- 2007 IEEE Region 10 Conference 》.2007,1-3. * |
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| Publication number | Publication date |
|---|---|
| CN101615720A (en) | 2009-12-30 |
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