CN204441465U - A kind of communication antenna and communications antenna system - Google Patents
A kind of communication antenna and communications antenna system Download PDFInfo
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- CN204441465U CN204441465U CN201520074669.5U CN201520074669U CN204441465U CN 204441465 U CN204441465 U CN 204441465U CN 201520074669 U CN201520074669 U CN 201520074669U CN 204441465 U CN204441465 U CN 204441465U
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Abstract
The utility model provides a kind of communication antenna and communications antenna system, is intended to solve the technical problem that in existing communication system, antenna part is oversize.Described antenna comprise be cascading from bottom to top metal ground, the first base material, cut a pair diagonal angle by a rectangular metal radiation fin after in hexagonal first metal radiation sheet, the second base material and being cut in hexagonal second metal radiation sheet behind a pair diagonal angle by another rectangular metal radiation fin, two limits at the on-right angle place of described first metal radiation sheet are just right with a pair right angle of described second metal radiation sheet respectively; The size of described first metal radiation sheet is greater than the size of described second metal radiation sheet.The utility model reduces the size of system on the one hand, improves the integrated level of system; On the other hand, an antenna can be adopted to realize the communication of dual-linear polarization two-band.
Description
Technical field
The utility model belongs to wireless communication field, particularly relates to a kind of communication antenna and communications antenna system.
Background technology
Communication antenna is the important component part of satellite communication equipment.Technically, communication antenna mainly contains several classes such as reflector antenna, dielectric lens antenna, array antenna and phased array antenna.This few class antenna respectively has self features and application scope, and user according to situations such as the mode of the environment for use of communication antenna, carrying, geographical position, main business and budgets, comprehensively can select.
For multiband, such as, the communication system of two frequency ranges, prior art adopts two circular polarized antennas mostly, by controlling each antenna structure size and dielectric constant realizes different frequency range communication respectively.
But, if adopt two circular polarized antennas, two cover signal processings are just needed to the process of back end signal, or needs a diverter switch to switch two frequency ranges back and forth, therefore can increase the size of system.
Summary of the invention
The purpose of this utility model is to provide a kind of communication antenna and communications antenna system, is intended to solve the technical problem that in existing communication system, antenna part is oversize.
The utility model first aspect provides a kind of communication antenna, described antenna comprise be cascading from bottom to top metal ground, the first base material, cut a pair diagonal angle by a rectangular metal radiation fin after in hexagonal first metal radiation sheet, the second base material and being cut in hexagonal second metal radiation sheet behind a pair diagonal angle by another rectangular metal radiation fin, two limits at the on-right angle place of described first metal radiation sheet are just right with a pair right angle of described second metal radiation sheet respectively; The size of described first metal radiation sheet is greater than the size of described second metal radiation sheet.
The utility model second aspect provides a kind of communications antenna system, 90 ° of phase shifters that described system comprises single feeding port, the power splitter be connected with described single feeding port, the antenna be connected with described power splitter and is connected with described antenna and described power splitter;
Described antenna comprise be cascading from bottom to top metal ground, the first base material, cut a pair diagonal angle by a rectangular metal radiation fin after in hexagonal first metal radiation sheet, the second base material and being cut in hexagonal second metal radiation sheet behind a pair diagonal angle by another rectangular metal radiation fin, two limits at the on-right angle place of described first metal radiation sheet are just right with a pair right angle of described second metal radiation sheet respectively; The size of described first metal radiation sheet is greater than the size of described second metal radiation sheet.
From above-mentioned the utility model embodiment, on the one hand, the antenna of communications antenna system only has one, therefore, reduces the size of communications antenna system, improves the integrated level of communications antenna system; On the other hand, this antenna forms in hexagon after two rectangular metal radiation fins (the first metal radiation sheet and the second metal radiation sheet) cut two congruent isosceles right triangles respectively, one of them metal radiation sheet realizes two-band horizontal polarization, another metal radiation sheet realizes two-band perpendicular polarization, thus an antenna can be adopted to realize dual-linear polarization two-band.And the signal on one of them metal radiation sheet forms circular polarization again after 90 ° of phase shifters with the Signal averaging on another metal radiation sheet, thus ensure that communications antenna system finally realizes the two-band circular polarization of single port.
Accompanying drawing explanation
Fig. 1 is the vertical view of the communication antenna that the utility model embodiment provides;
Fig. 2 be the on-right angle place of hexagonal first metal radiation sheet that the utility model embodiment provides two limits respectively with a pair right angle of hexagonal second metal radiation sheet just to after the end view that is superimposed;
Fig. 3 is the vertical view of the communication antenna that another embodiment of the utility model provides;
Fig. 4 is the vertical view of the communication antenna that another embodiment of the utility model provides;
Fig. 5 is the structural representation of the communications antenna system that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment provides a kind of communication antenna, described antenna comprise be cascading from bottom to top metal ground, the first base material, cut a pair diagonal angle by a rectangular metal radiation fin after in hexagonal first metal radiation sheet, the second base material and being cut in hexagonal second metal radiation sheet behind a pair diagonal angle by another rectangular metal radiation fin, two limits at the on-right angle place of described first metal radiation sheet are just right with a pair right angle of described second metal radiation sheet respectively; The size of described first metal radiation sheet is greater than the size of described second metal radiation sheet; The utility model also provides a kind of communications antenna system.Below be described in detail.
Referring to accompanying drawing 1, is the vertical view of the communication antenna that the utility model embodiment provides.For convenience of explanation, illustrate only the part relevant to the utility model embodiment.The communication antenna of accompanying drawing 1 example mainly comprises the metal ground 101 be cascading from bottom to top, first base material 102, be hexagonal first metal radiation sheet 103 after cutting a pair diagonal angle by a rectangular metal radiation fin, second base material 104, and be hexagonal second metal radiation sheet 105 after cutting a pair diagonal angle by another rectangular metal radiation fin, namely, in this stepped construction, metal ground 101 is at orlop, first base material 102 is superimposed upon on metal ground 101, first metal radiation sheet 103 is superimposed upon on the first base material 102, second base material 104 is superimposed upon on the first metal radiation sheet 103, second metal radiation sheet 105 is superimposed upon on the second base material 104.
In the communication antenna of the stepped construction of accompanying drawing 1 example, first metal radiation sheet 103 is superimposed upon on the first base material 102, when second metal radiation sheet 105 is superimposed upon on the second base material 104, two limits at the on-right angle place of the first metal radiation sheet 103 are just right with a pair right angle of the second metal radiation sheet 105 respectively, and the size of the first metal radiation sheet 103 is greater than the size of the second metal radiation sheet 105.As accompanying drawing 2 be the on-right angle place of hexagonal first metal radiation sheet 103 two limits respectively with a pair right angle of hexagonal second metal radiation sheet 105 just to after the end view that is superimposed.Hexagonal first metal radiation sheet 103 and hexagonal second metal radiation sheet 105 of accompanying drawing 1 example all adopt coaxial feed, wherein, the feed position (as shown in the round dot of accompanying drawing 2) of hexagonal first metal radiation sheet 103 moves in the X-axis direction, regulate impedance matching, the feed position (as shown in the triangle of accompanying drawing 2) of hexagonal second metal radiation sheet 105 moves, in the Y-axis direction also for regulating impedance matching.
From the communication antenna of above-mentioned accompanying drawing 1 example, on the one hand, communication antenna only has one, therefore, reduces the size of communications antenna system, improves the integrated level of system; On the other hand, this antenna forms in hexagon after two rectangular metal radiation fins (the first metal radiation sheet and the second metal radiation sheet) cut two congruent isosceles right triangles respectively, one of them metal radiation sheet realizes two-band horizontal polarization, another metal radiation sheet realizes two-band perpendicular polarization, thus an antenna can be adopted to realize dual-linear polarization two-band.
As in an embodiment of the present utility model, the communications antenna system of accompanying drawing 1 example, the dielectric constant of its first base material 102 is less than the dielectric constant of the second base material 104.
As previously mentioned, the first metal radiation sheet 103 and hexagonal second metal radiation sheet 105 all adopt coaxial feed.In order to realize feed, as an embodiment of the present utility model, the communications antenna system of accompanying drawing 1 example, its first base material 102, second base material 104, first metal radiation sheet 103 and the second metal radiation sheet 105 has and is respectively the first metal radiation sheet 103 and the first feeder line of the second metal radiation sheet 105 feed and the through hole of the second feeder line for laying.
At above-mentioned first base material 102, second base material 104, first metal radiation sheet 103 and the second metal radiation sheet 105 have in the embodiment of through hole, as an embodiment of the present utility model, first base material 102 has the first through hole 301 and the second through hole 302, first metal radiation sheet 103 has third through-hole 303 and fourth hole 304, second base material 104 has fifth hole 305, second metal radiation sheet 105 has the 6th through hole 306, wherein, first through hole 301, third through-hole 303, fifth hole 305 and the 6th through hole 306 are opposite to each other, second through hole 302 and fourth hole 304 are opposite to each other, as shown in Figure 3.
In the communication antenna of accompanying drawing 3 example, on first base material 102, second base material 104, first metal radiation sheet 103 and the second metal radiation sheet 105, through hole is opposite to each other, the geometric center being embodied in these through holes is overlapping, such as, if through hole is regular circle shapes, then the center of circle of these through holes is overlapping, if through hole is regular square or regular rectangular shape, then cornerwise intersection point of these through holes is overlapping.Because the second through hole 302 and fourth hole 304 are opposite to each other, therefore, the first feeder line can, through the second through hole 302 and the through first metal radiation sheet 103 of fourth hole 304, be the first metal radiation sheet 103 feed; Similarly, because the first through hole 301, third through-hole 303, fifth hole 305 and the 6th through hole 306 are opposite to each other, second feeder line is through second metal radiation sheet 105 through the first through hole 301 be opposite to each other, third through-hole 303, fifth hole 305 and the 6th through hole 306, is the second metal radiation sheet 105 feed.
At above-mentioned first base material 102, second base material 104, first metal radiation sheet 103 and the second metal radiation sheet 105 have in the embodiment of through hole, as another embodiment of the present utility model, first base material 102 has the 7th through hole 401, first metal radiation sheet 103 has the 8th through hole 402, second base material 104 has the 9th through hole 403, second metal radiation sheet 105 has the tenth through hole 404, wherein, 7th through hole 401 and the 8th through hole 402 are opposite to each other, 9th through hole 403 and the tenth through hole 404 are opposite to each other, the side of the first base material 102 has a groove 405, groove 405 extends to immediately below the 9th through hole 403 from the side of the first base material 102 always, as shown in Figure 4.
In the communication antenna of accompanying drawing 4 example, on first base material 102, second base material 104, first metal radiation sheet 103 and the second metal radiation sheet 105, through hole is opposite to each other, the geometric center being embodied in these through holes is overlapping, such as, if through hole is regular circle shapes, then the center of circle of these through holes is overlapping, if through hole is regular square or regular rectangular shape, then cornerwise intersection point of these through holes is overlapping.Because the 7th through hole 401 and the 8th through hole 402 are opposite to each other, the first feeder line can, through the 7th through hole 401 be opposite to each other and the through first metal radiation sheet 103 of the 8th through hole 402, be the first metal radiation sheet 103 feed; Similarly, because the 9th through hole 403 and the tenth through hole 404 are opposite to each other, and the side of the first base material 102 has and extends to groove immediately below the 9th through hole 403 from the side of the first base material 102 always, therefore, second feeder line can to pass and through second metal radiation sheet 105 through the 9th through hole 403 be opposite to each other and the tenth through hole 404 from groove, is the second metal radiation sheet 105 feed.
In order to strengthen polarization effect, in the communication antenna of above-mentioned accompanying drawing 1, accompanying drawing 3 or accompanying drawing 4 example, in hexagon after the first metal radiation sheet 103 and the second metal radiation sheet 105 cut two congruent isosceles right triangles by a rectangular metal radiation fin from a pair diagonal angle respectively.
Referring to accompanying drawing 5, is the structural representation of the communications antenna system that the utility model embodiment provides.For convenience of explanation, illustrate only the part relevant to the utility model embodiment.The communications antenna system of accompanying drawing 5 example mainly comprises single feeding port 501, the power splitter 502 be connected with single feeding port 501, the antenna 503 be connected with power splitter 502, and the 90 ° of phase shifters 504 to be connected with antenna 503 and power splitter 502, wherein, antenna 503 is communication antennas of accompanying drawing 1 example, it comprises the metal ground be cascading from bottom to top, first base material, be hexagonal first metal radiation sheet after cutting a pair diagonal angle by a rectangular metal radiation fin, second base material, and be hexagonal second metal radiation sheet after cutting a pair diagonal angle by another rectangular metal radiation fin, namely, in this stepped construction, metal ground is at orlop, first base material is superimposed upon on metal ground, first metal radiation sheet is superimposed upon on the first base material, second base material is superimposed upon on the first metal radiation sheet, second metal radiation sheet is superimposed upon on the second base material, two limits at the on-right angle place of the first metal radiation sheet are just right with a pair right angle of the second metal radiation sheet respectively, and the size of the first metal radiation sheet is greater than the size of the second metal radiation sheet, the concrete structure of antenna 503 can be consulted the communication antenna of aforementioned figures 1 example and illustrate accordingly, does not repeat herein.
From the communications antenna system of above-mentioned accompanying drawing 5 example, owing to forming in two metal radiation sheets of antenna, signal on one of them metal radiation sheet forms circular polarization with the Signal averaging on another metal radiation sheet again after 90 ° of phase shifters, thus can ensure that communications antenna system finally realizes single-port and double-frequency section circular polarization.
In the communications antenna system of accompanying drawing 5 example, the first base material, the second base material, the first metal radiation sheet and the second metal radiation sheet have and is respectively the first feeder line of the first metal radiation sheet and the second metal radiation sheet feed and the through hole of the second feeder line for laying.
As the first base material, second base material, first metal radiation sheet and the second metal radiation sheet have for laying the embodiment being respectively the first feeder line of the first metal radiation sheet and the second metal radiation sheet feed and the through hole of the second feeder line, in the communications antenna system of accompanying drawing 5 example, first base material of its antenna 503 has the first through hole and the second through hole, first metal radiation sheet has third through-hole and fourth hole, second base material has fifth hole, second metal radiation sheet has the 6th through hole, second feeder line is through the first through hole be opposite to each other, third through-hole, fifth hole and the 6th through hole, first feeder line is through the second through hole be opposite to each other and fourth hole, this execution mode can be consulted the communication antenna of aforementioned figures 3 example and illustrate accordingly, do not repeat herein.
As the first base material, second base material, first metal radiation sheet and the second metal radiation sheet have for laying another embodiment being respectively the first feeder line of the first metal radiation sheet and the second metal radiation sheet feed and the through hole of the second feeder line, in the communications antenna system of accompanying drawing 5 example, first base material of its antenna 503 has the 7th through hole, first metal radiation sheet has the 8th through hole, second base material has the 9th through hole, second metal radiation sheet has the tenth through hole, first feeder line is through the 7th through hole be opposite to each other and the 8th through hole, the side of the first base material has a groove, this groove extends to immediately below the 9th through hole from the side of the first base material always, second feeder line is through the 9th through hole be opposite to each other and the tenth through hole and pass from this groove, this execution mode can be consulted the communication antenna of aforementioned figures 4 example and illustrate accordingly, do not repeat herein.
In the communications antenna system of above-mentioned arbitrary example, in order to strengthen polarization effect, in hexagon after the first metal radiation sheet and the second metal radiation sheet cut two congruent isosceles right triangles by a rectangular metal radiation fin from a pair diagonal angle respectively.
In the communications antenna system of above-mentioned arbitrary example, two feeder lines in 90 ° of phase shifters are 1/4 wavelength longer than another root wherein, and power splitter 502 can adopt the 3dB power splitter of microstrip line merit point mode, to save the weight of space and effective mitigation system.Further, 3dB power splitter can remove isolation resistance wherein, that is, power splitter 502 of the present utility model can be wherein without the 3dB power splitter of isolation resistance.
To sum up, in the utility model, the antenna of communications antenna system only has one, therefore, reduces the size of communications antenna system, improves the integrated level of communications antenna system; On the other hand, this antenna forms in hexagon after two rectangular metal radiation fins (the first metal radiation sheet and the second metal radiation sheet) cut two congruent isosceles right triangles respectively, one of them metal radiation sheet realizes two-band horizontal polarization, another metal radiation sheet realizes two-band perpendicular polarization, thus an antenna can be adopted to realize dual-linear polarization two-band.And the signal on one of them metal radiation sheet forms circular polarization again after 90 ° of phase shifters with the Signal averaging on another metal radiation sheet, thus ensure that communications antenna system finally realizes the two-band circular polarization of single port.
The communication antenna provided the utility model embodiment above and communications antenna system are described in detail, apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (12)
1. a communication antenna, it is characterized in that, described antenna comprise be cascading from bottom to top metal ground, the first base material, cut a pair diagonal angle by a rectangular metal radiation fin after in hexagonal first metal radiation sheet, the second base material and being cut in hexagonal second metal radiation sheet behind a pair diagonal angle by another rectangular metal radiation fin, two limits at the on-right angle place of described first metal radiation sheet are just right with a pair right angle of described second metal radiation sheet respectively; The size of described first metal radiation sheet is greater than the size of described second metal radiation sheet.
2. communication antenna as claimed in claim 1, it is characterized in that, the dielectric constant of described first base material is less than the dielectric constant of described second base material.
3. communication antenna as claimed in claim 1, it is characterized in that, described first base material, the second base material, the first metal radiation sheet and the second metal radiation sheet have and is respectively the first feeder line of described first metal radiation sheet and the second metal radiation sheet feed and the through hole of the second feeder line for laying.
4. communication antenna as claimed in claim 3, it is characterized in that, described first base material has the first through hole and the second through hole, described first metal radiation sheet has third through-hole and fourth hole, described second base material has fifth hole, described second metal radiation sheet has the 6th through hole, and described second feeder line is through the first through hole be opposite to each other, third through-hole, fifth hole and the 6th through hole, and described first feeder line is through the second through hole be opposite to each other and fourth hole.
5. communication antenna as claimed in claim 3, it is characterized in that, described first base material has the 7th through hole, described first metal radiation sheet has the 8th through hole, described second base material has the 9th through hole, described second metal radiation sheet has the tenth through hole, described first feeder line is through the 7th through hole be opposite to each other and the 8th through hole, the side of described first base material has a groove, described groove extends to immediately below described 9th through hole from the side of described first base material always, and described second feeder line is through the 9th through hole be opposite to each other and the tenth through hole and pass from described groove.
6. the communication antenna as described in claim 1 to 5 any one, is characterized in that, in hexagon after described first metal radiation sheet and the second metal radiation sheet cut two congruent isosceles right triangles by a rectangular metal radiation fin from a pair diagonal angle respectively.
7. a communications antenna system, is characterized in that, 90 ° of phase shifters that described system comprises single feeding port, the power splitter be connected with described single feeding port, the antenna be connected with described power splitter and is connected with described antenna and described power splitter;
Described antenna comprise be cascading from bottom to top metal ground, the first base material, cut a pair diagonal angle by a rectangular metal radiation fin after in hexagonal first metal radiation sheet, the second base material and being cut in hexagonal second metal radiation sheet behind a pair diagonal angle by another rectangular metal radiation fin, two limits at the on-right angle place of described first metal radiation sheet are just right with a pair right angle of described second metal radiation sheet respectively; The size of described first metal radiation sheet is greater than the size of described second metal radiation sheet.
8. communications antenna system as claimed in claim 7, it is characterized in that, described first base material, the second base material, the first metal radiation sheet and the second metal radiation sheet have and is respectively the first feeder line of described first metal radiation sheet and the second metal radiation sheet feed and the through hole of the second feeder line for laying.
9. communications antenna system as claimed in claim 8, it is characterized in that, described first base material has the first through hole and the second through hole, described first metal radiation sheet has third through-hole and fourth hole, described second base material has fifth hole, described second metal radiation sheet has the 6th through hole, and described second feeder line is through the first through hole be opposite to each other, third through-hole, fifth hole and the 6th through hole, and described first feeder line is through the second through hole be opposite to each other and fourth hole.
10. communications antenna system as claimed in claim 8, it is characterized in that, described first base material has the 7th through hole, described first metal radiation sheet has the 8th through hole, described second base material has the 9th through hole, described second metal radiation sheet has the tenth through hole, described first feeder line is through the 7th through hole be opposite to each other and the 8th through hole, the side of described first base material has a groove, described groove extends to immediately below described 9th through hole from the side of described first base material always, described second feeder line is through the 9th through hole be opposite to each other and the tenth through hole and pass from described groove.
11. communications antenna system as described in any one of claim 7 to 10, is characterized in that, in hexagon after described first metal radiation sheet and the second metal radiation sheet cut two congruent isosceles right triangles by a rectangular metal radiation fin from a pair diagonal angle respectively.
12. communications antenna system as described in any one of claim 7 to 10, is characterized in that, two feeder lines in described 90 ° of phase shifters are 1/4 wavelength longer than another root wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074669.5U CN204441465U (en) | 2015-01-30 | 2015-01-30 | A kind of communication antenna and communications antenna system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520074669.5U CN204441465U (en) | 2015-01-30 | 2015-01-30 | A kind of communication antenna and communications antenna system |
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| CN204441465U true CN204441465U (en) | 2015-07-01 |
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| CN201520074669.5U Active CN204441465U (en) | 2015-01-30 | 2015-01-30 | A kind of communication antenna and communications antenna system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119715A1 (en) * | 2015-01-30 | 2016-08-04 | 深圳光启高等理工研究院 | Communication antenna and communication antenna system |
| CN113131186A (en) * | 2021-03-26 | 2021-07-16 | 联想(北京)有限公司 | Ultra-wideband antenna, electronic equipment and signal receiving method |
-
2015
- 2015-01-30 CN CN201520074669.5U patent/CN204441465U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119715A1 (en) * | 2015-01-30 | 2016-08-04 | 深圳光启高等理工研究院 | Communication antenna and communication antenna system |
| CN105990655A (en) * | 2015-01-30 | 2016-10-05 | 深圳光启尖端技术有限责任公司 | Communication antenna and communication antenna system |
| CN113131186A (en) * | 2021-03-26 | 2021-07-16 | 联想(北京)有限公司 | Ultra-wideband antenna, electronic equipment and signal receiving method |
| CN113131186B (en) * | 2021-03-26 | 2022-08-19 | 联想(北京)有限公司 | Ultra-wideband antenna, electronic equipment and signal receiving method |
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Effective date of registration: 20151117 Address after: 518057 Guangdong City, Nanshan District province high tech Zone in the middle of a high tech building, building No. 2, No. 9, building Patentee after: Shenzhen Guangqi Innovative Technology Co., Ltd. Address before: 518057 Guangdong City, Nanshan District province high tech Zone in the middle of a high tech building, building No. 2, No. 9, building Patentee before: Shenzhen Kuang-Chi Institute of Advanced Technology |