CN105161827A - Low-profile and high-performance ring-focus satellite communication antenna - Google Patents
Low-profile and high-performance ring-focus satellite communication antenna Download PDFInfo
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- CN105161827A CN105161827A CN201510513516.0A CN201510513516A CN105161827A CN 105161827 A CN105161827 A CN 105161827A CN 201510513516 A CN201510513516 A CN 201510513516A CN 105161827 A CN105161827 A CN 105161827A
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Abstract
The invention relates to a low-profile and high-performance ring-focus satellite communication antenna, which comprises an auxiliary reflection surface, a feed source medium support, a feed source, a waveguide tube, a bearing, a bearing block and an antenna surface. The low-profile and high-performance ring-focus satellite communication antenna is characterized in that the auxiliary reflection surface is connected with the feed source through the feed source medium support; the waveguide tube is connected with the feed source; the bearing is arranged on the tail part of the waveguide tube; and the bearing block is arranged on the antenna surface. According to the low-profile and high-performance ring-focus satellite communication antenna, through shape design on the main surface and the auxiliary surface of the antenna, the efficiency of the antenna is greatly improved; meanwhile, the auxiliary surface is designed into a small size; blocking of the auxiliary surface is reduced; the efficiency of the antenna is improved; and the medium support is adopted between the auxiliary surface and the feed source, so that the effects of a bracket on a nearby sidelobe of the antenna are greatly reduced.
Description
Technical field
The present invention relates to the burnt satellite communication antena of a kind of ring, the high performance satellite communication antena of especially a kind of low section, belongs to satellite communication field.
Background technology
Current ring-focus antenna is widely used in satellite communication, and its advantage is that the section of antenna is low, due to the symmetry of its structure, make the voltinisms such as antenna pattern E, H face high, the advantages such as cross polarization isolation is good, and voltage standing wave ratio is extremely low, its shortcoming is that nearly sidelobe level is higher.In the design process, in order to improve the near in sidelobe characteristic of antenna, minor face diameter design is larger.
Minor face is larger, and minor face is larger to blocking of interarea, and the efficiency of antenna is lower.In addition, connect with four metallic supports between feed and minor face, support can bring and block, and worsens antenna near in sidelobe performance etc.
Summary of the invention
In order to solve above-mentioned Problems existing, the present invention carries out Shape design to the major and minor face of antenna, substantially increases the efficiency of antenna, very little simultaneously minor face design, reduces blocking of minor face, improves the efficiency of antenna; Have employed dielectric support between minor face and feed, greatly reduce the impact of support on lobe near antenna.
The burnt satellite communication antena of a kind of low section high-performance ring, comprising: subreflector, feed dielectric support, feed, waveguide, bearing, bearing pedestal, antenna surface, it is characterized in that: described subreflector is connected by feed dielectric support with feed, described waveguide is connected with feed, and waveguide afterbody is provided with bearing, and bearing pedestal is arranged on antenna surface.Electromagnetic wave reflexes to subreflector through antenna surface, subreflector by reflection by reflection of electromagnetic wave to feed place, feed arranges electromagnetic wave, make its polarised direction consistent, and carry out impedance transformation, transmit via waveguide, complete the function of the Signal transmissions of satellite communication.
As a modification of the present invention, described feed dielectric support is multiple, is preferably 4.The main purpose of feed dielectric support is fixed joint reflecting surface and feed, and after adopting this design, feed and subreflector can effectively be fixed, and reduces the impact of feed dielectric support for the signal of communication.
As a modification of the present invention, described multiple feed dielectric support are equidistant to be distributed in around subreflector and feed.After adopting this design, what subreflector and feed can be stable is fixing, shift phenomenon can not occur.
As a modification of the present invention, described feed dielectric support is curved cambered design.The arc of supporting construction have employed Shape design, after adopting this design, in the frequency band of work, obtains reasonable impedance matching.
As a modification of the present invention, described feed dielectric support adopts the design of hollow out.After adopting this design, greatly reduce the impact of supporter on lobe near directional diagram.
As a modification of the present invention, described waveguide is made up of loudspeaker link and horn diaphragm, and described loudspeaker linkage section is connected with feed, and horn diaphragm is connected with bearing.After adopting this design, because guide length is long, in the course of processing, therefore there will be the situation of rigidity deficiency, produce waste product, segmental machining can effectively solve this problem.
As a modification of the present invention, described waveguide and bearing junction are provided with loudspeaker bearing spacer.After adopting this design, spacer ring can separate inside and outside two bearings, makes a rotation, fixes, to star work for one.
As a modification of the present invention, described horn diaphragm adopts stepped designs.After adopting this design, effectively control harmful mould.
As a modification of the present invention, described feed have employed wave groove feed.After adopting this design, the voltinisms such as feed directional diagram are good, and cross polarization level and minor level are all very low.
The present invention carries out Shape design to the major and minor face of antenna, substantially increases the efficiency of antenna, very little simultaneously minor face design, reduces blocking of minor face, improves the efficiency of antenna; Have employed dielectric support between minor face and feed, greatly reduce the impact of support on lobe near antenna.In order to reach high-gain, high efficiency, low noise the performance requirement met wide angle sidelobe level and cross polarization isolation, antenna synthesis have employed method of geometrical optics and subreflector Snell theorem, primary reflection surface Snell theorem and principle of conservation of energy, carries out Shape design to antenna.By changing antenna part parameter, optimizing antenna critical size, comprehensively going out different major and minor reflecting surface curves, therefrom select optimum curve, reach the optimal design of antenna performance.Have employed small-bore feed, have employed dielectric between feed and minor face and support, avoid unfavorable factors such as using blocking of bringing of metallic support.In order to obtain good impedance matching in broadband, dielectric support have employed hollow out design; Supporting construction have employed Shape design, and supporter is arcuate structure, obtains good impedance matching like this in working band, greatly reduces the impact of supporter on lobe near directional diagram simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the structural representation of feed of the present invention and waveguide,
Fig. 3 is the cutaway view of feed of the present invention and waveguide,
Fig. 4 is receiving terminal azimuth plane directional diagram of the present invention,
Fig. 5 is receiving terminal pitching face of the present invention directional diagram,
Fig. 6 is transmitting terminal azimuth plane directional diagram of the present invention,
Fig. 7 is transmitting terminal pitching face of the present invention directional diagram,
Reference numerals list: 1-subreflector, 2-feed dielectric support, 3-feed, 4-waveguide, 5-bearing, 6-bearing pedestal, 7-antenna surface.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further.
embodiment 1:
Visible by reference to the accompanying drawings, the burnt satellite communication antena of a kind of low section high-performance ring, comprising: subreflector 1, feed dielectric support 2, feed 3, waveguide 4, bearing 5, bearing pedestal 6, antenna surface 7, is characterized in that: described subreflector 1 is connected by feed dielectric support 2 with feed 3, and described waveguide 4 is connected with feed 3, waveguide 4 afterbody is provided with bearing 5, and bearing pedestal 6 is arranged on antenna surface.Electromagnetic wave reflexes to subreflector 1 through antenna surface, subreflector 1 by reflection by reflection of electromagnetic wave to feed 3 place, feed 3 pairs of electromagnetic waves arrange, make its polarised direction consistent, and carry out impedance transformation, transmit via waveguide 4, complete the function of the Signal transmissions of satellite communication.
embodiment 2:
As a modification of the present invention, described feed dielectric support 2 is multiple, is preferably 4.The main purpose of feed dielectric support 2 is fixed joint reflecting surface 1 and feed 3, and after adopting this design, feed 3 and subreflector 1 can effectively be fixed, and reduces the impact of feed dielectric support 2 for the signal of communication.All the other design features are identical with embodiment 1 with advantage.
embodiment 3:
As a modification of the present invention, described multiple feed dielectric support 2 are equidistant to be distributed in around subreflector 1 and feed 3.After adopting this design, what subreflector 1 and feed 3 can be stable is fixing, shift phenomenon can not occur.All the other structures are identical with embodiment 1 with advantage.
embodiment 4:
As a modification of the present invention, described feed dielectric support 2 is curved cambered design.The arc of supporting construction have employed Shape design, after adopting this design, in the frequency band of work, obtains reasonable impedance matching.All the other structures are identical with embodiment 1 with advantage.
embodiment 5:
As a modification of the present invention, described feed dielectric support 2 adopts the design of hollow out.After adopting this design, greatly reduce the impact of supporter on lobe near directional diagram.All the other structures are identical with embodiment 1 with advantage.
embodiment 6:
As a modification of the present invention, described waveguide 4 is made up of loudspeaker link and horn diaphragm, and described loudspeaker linkage section is connected with feed 3, and horn diaphragm is connected with bearing 5.After adopting this design, because waveguide 4 length is long, in the course of processing, therefore there will be the situation of rigidity deficiency, produce waste product, segmental machining can effectively solve this problem.All the other structures are identical with embodiment 1 with advantage.
embodiment 7:
As a modification of the present invention, described waveguide 4 is provided with loudspeaker bearing spacer with bearing 5 junction.After adopting this design, spacer ring can separate inside and outside two bearings, makes a rotation, fixes, to star work for one.All the other structures are identical with embodiment 1 with advantage.
embodiment 8:
As a modification of the present invention, described horn diaphragm adopts stepped designs.After adopting this design, effectively control harmful mould.All the other structures are identical with embodiment 1 with advantage.
embodiment 9:
As a modification of the present invention, described feed 3 have employed wave groove feed.After adopting this design, the voltinisms such as feed 3 directional diagram are good, and cross polarization level and minor level are all very low.All the other structures are identical with embodiment 1 with advantage.
Technical characteristic described in embodiment 2,3,4,5,6,7,8,9 at least one and embodiment 1 can also be combined into new execution mode by the present invention.
Main working process of the present invention is: electromagnetic wave reflexes to subreflector through antenna surface, subreflector is by reflecting reflection of electromagnetic wave to feed place, feed arranges electromagnetic wave, make its polarised direction consistent, and carry out impedance transformation, transmit via waveguide, complete the function of the Signal transmissions of satellite communication.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also comprises the technical scheme be made up of above technical characteristic combination in any.
Claims (9)
1. the one kind low burnt satellite communication antena of section high-performance ring, comprising: subreflector (1), feed dielectric support (2), feed (3), waveguide (4), bearing (5), bearing pedestal (6), antenna surface (7), it is characterized in that: described subreflector (1) is connected by feed dielectric support (2) with feed (3), described waveguide (4) is connected with feed (3), and waveguide (4) afterbody is provided with bearing (5), and bearing pedestal (6) is arranged on antenna surface (7).
2. the burnt satellite communication antena of one according to claim 1 low section high-performance ring, is characterized in that: described feed dielectric support (2), for multiple, is preferably 4.
3. the burnt satellite communication antena of one according to claim 2 low section high-performance ring, is characterized in that: described multiple feed dielectric support (2) are equidistant to be distributed in around subreflector (1) and feed (3).
4. the burnt satellite communication antena of one according to claim 1 low section high-performance ring, is characterized in that: described feed dielectric support is (2) curved cambered design.
5. the burnt satellite communication antena of one according to claim 1 low section high-performance ring, is characterized in that: described feed dielectric support (2) adopts the design of hollow out.
6. the burnt satellite communication antena of one according to claim 1 low section high-performance ring, is characterized in that: described waveguide (4) is made up of loudspeaker link and horn diaphragm, and described loudspeaker linkage section is connected with feed, and horn diaphragm is connected with bearing.
7. the burnt satellite communication antena of one according to claim 1 low section high-performance ring, is characterized in that: described waveguide (4) and bearing (5) junction are provided with loudspeaker bearing spacer.
8. the burnt satellite communication antena of one according to claim 6 low section high-performance ring, is characterized in that: described horn diaphragm adopts stepped designs.
9. the burnt satellite communication antena of one according to claim 1 low section high-performance ring, is characterized in that: described feed (3) have employed wave groove feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510513516.0A CN105161827A (en) | 2015-08-20 | 2015-08-20 | Low-profile and high-performance ring-focus satellite communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510513516.0A CN105161827A (en) | 2015-08-20 | 2015-08-20 | Low-profile and high-performance ring-focus satellite communication antenna |
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| Publication Number | Publication Date |
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| CN105161827A true CN105161827A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510513516.0A Pending CN105161827A (en) | 2015-08-20 | 2015-08-20 | Low-profile and high-performance ring-focus satellite communication antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797626A (en) * | 2019-11-29 | 2020-02-14 | 中国电子科技集团公司第五十四研究所 | Auxiliary surface-adjustable medium supporting device and preparation method thereof |
| CN114824824A (en) * | 2022-05-16 | 2022-07-29 | 中国电子科技集团公司第五十四研究所 | Lightweight high-precision antenna reflector based on medium cylinder self-supporting |
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| CN101383451A (en) * | 2008-05-28 | 2009-03-11 | 广东盛路通信科技股份有限公司 | Microwave feeding source of ultra-high performance antenna |
| CN101841082A (en) * | 2010-05-19 | 2010-09-22 | 广东通宇通讯设备有限公司 | Feed source for microwave antenna and microwave antenna |
| US20110309987A1 (en) * | 2010-06-20 | 2011-12-22 | Siklu Communication ltd. | Reflector antenna including radome |
| CN202651358U (en) * | 2012-07-04 | 2013-01-02 | 浙江中星光电子科技有限公司 | Satellite signal receiving antenna with improved structure |
| CN104183924A (en) * | 2014-08-22 | 2014-12-03 | 南京中网卫星通信股份有限公司 | Onboard satellite communication antenna with low profile |
| CN204834890U (en) * | 2015-08-20 | 2015-12-02 | 南京中网卫星通信股份有限公司 | Burnt satellite communication antenna of low section high performance ring |
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2015
- 2015-08-20 CN CN201510513516.0A patent/CN105161827A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383451A (en) * | 2008-05-28 | 2009-03-11 | 广东盛路通信科技股份有限公司 | Microwave feeding source of ultra-high performance antenna |
| CN101841082A (en) * | 2010-05-19 | 2010-09-22 | 广东通宇通讯设备有限公司 | Feed source for microwave antenna and microwave antenna |
| US20110309987A1 (en) * | 2010-06-20 | 2011-12-22 | Siklu Communication ltd. | Reflector antenna including radome |
| CN202651358U (en) * | 2012-07-04 | 2013-01-02 | 浙江中星光电子科技有限公司 | Satellite signal receiving antenna with improved structure |
| CN104183924A (en) * | 2014-08-22 | 2014-12-03 | 南京中网卫星通信股份有限公司 | Onboard satellite communication antenna with low profile |
| CN204834890U (en) * | 2015-08-20 | 2015-12-02 | 南京中网卫星通信股份有限公司 | Burnt satellite communication antenna of low section high performance ring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797626A (en) * | 2019-11-29 | 2020-02-14 | 中国电子科技集团公司第五十四研究所 | Auxiliary surface-adjustable medium supporting device and preparation method thereof |
| CN114824824A (en) * | 2022-05-16 | 2022-07-29 | 中国电子科技集团公司第五十四研究所 | Lightweight high-precision antenna reflector based on medium cylinder self-supporting |
| CN114824824B (en) * | 2022-05-16 | 2023-10-27 | 中国电子科技集团公司第五十四研究所 | Lightweight high-precision antenna reflector based on self-supporting of dielectric cylinder |
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Application publication date: 20151216 |