CN113054441A - Reflecting surface antenna assembly with flat-top directional diagram - Google Patents
Reflecting surface antenna assembly with flat-top directional diagram Download PDFInfo
- Publication number
- CN113054441A CN113054441A CN202110340048.7A CN202110340048A CN113054441A CN 113054441 A CN113054441 A CN 113054441A CN 202110340048 A CN202110340048 A CN 202110340048A CN 113054441 A CN113054441 A CN 113054441A
- Authority
- CN
- China
- Prior art keywords
- reflector
- reflector antenna
- edge
- support
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/10—Telescopic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a reflecting surface antenna component with a flat-top directional diagram, wherein the front surface of the reflecting surface antenna is a reflecting surface, the reflecting surface is a paraboloid, and the paraboloid comprises a central reflecting area and an edge reflecting area; the central reflecting area is circular, the edge reflecting area is annular, and the inner periphery of the edge reflecting area is connected with the outer periphery of the central reflecting area; the depth difference is formed at the connecting edge of the central reflection area and the edge reflection area, and the depth difference is used for enabling the reflection surface to form a beam with a flat-top directional diagram; the invention can form the antenna assembly by a small number of components, can reduce the complexity of the antenna assembly and the debugging difficulty of the antenna assembly, and can ensure that a wave beam with the characteristic of a flat-top directional diagram is formed by the reflector antenna by splitting the reflector of the paraboloid-shaped reflector antenna into the central reflecting area and the edge reflecting area, wherein the surfaces of the central reflecting area and the edge reflecting area have depth difference, thereby simultaneously tracking multiple satellites.
Description
Technical Field
The invention belongs to the technical field of reflector antennas, and particularly relates to a reflector antenna assembly with a flat-top directional diagram.
Background
The reflector antenna assembly is an antenna for forming a predetermined beam by each assembly and a metal reflector. The gain is generally higher than that of a linear antenna, and the higher the working frequency and the larger the caliber size of the reflecting surface, the higher the gain of the antenna is. The method is widely applied to satellite communication, microwave communication, radar, remote sensing and bioelectronic technology.
The common reflector antenna assembly is generally complex in structure and needs a large number of parts to be assembled, the signal receiving and transmitting precision of the antenna assembly is often influenced by assembly, the number of the parts is increased, the antenna precision is possibly reduced, and the debugging difficulty of the antenna assembly is increased.
Disclosure of Invention
The invention aims to provide a reflector antenna with a flat-top directional diagram and an antenna assembly, which simplify the structure of the antenna assembly and reduce the debugging difficulty of the antenna assembly.
The invention adopts the following technical scheme: a reflector antenna assembly with a flat-top directional diagram comprises a reflector antenna, wherein the front surface of the reflector antenna is a reflector, the reflector is a paraboloid, and the paraboloid comprises a central reflecting area and an edge reflecting area;
the central reflecting area is circular, the edge reflecting area is annular, and the inner periphery of the edge reflecting area is connected with the outer periphery of the central reflecting area;
the depth difference is formed at the connecting edge of the central reflection area and the edge reflection area, and is used for enabling the reflection surface to form a beam with a flat-top directional diagram at different frequencies;
the bottom of the reflector antenna is hinged with a support, a telescopic rod is arranged between the support and the reflector antenna and used for adjusting the relative angle between the reflector of the reflector antenna and the feed source;
one end of the support is hinged to the reflector antenna, the other end of the support is provided with a feed source, and the feed source is connected with external equipment through a feed line component.
Further, the periphery of the edge reflection area is in an irregular pattern.
Further, the periphery of the edge reflection area is circular, elliptical or rectangular.
Furthermore, a reflecting surface support arm is fixedly connected to the reverse side of the reflecting surface antenna, and the reflecting surface support arm is used for fixing the reflecting surface antenna when the reflecting surface is processed.
Furthermore, the support is a plane support and is formed by connecting a plurality of transverse rods and longitudinal rods.
Furthermore, the connecting end of the bracket is provided with a longitudinal shaft, and two ends of the longitudinal shaft are respectively connected with the rotating piece.
Furthermore, the bottom of the rotating piece is provided with a shaft hole which is used for being sleeved on the longitudinal shaft;
the upper end of the rotating part is fixedly connected with the reflecting surface support arm.
Furthermore, the number of the telescopic rods is two, and the telescopic rods are respectively connected to the same side of the reflecting surface antenna and the support.
Furthermore, a support frame is arranged on the support frame, a cross beam is arranged on the support frame, a soft cushion layer is arranged at the top of the cross beam, and the soft cushion layer is used for supporting the reflector antenna when the reflector antenna and the support frame are closed.
The invention has the beneficial effects that: the invention can form the antenna assembly by a small number of components, can reduce the complexity of the antenna assembly and the debugging difficulty of the antenna assembly, and can ensure that a wave beam with the characteristic of a flat-top directional diagram is formed by the reflector antenna by splitting the reflector of the paraboloid-shaped reflector antenna into the central reflecting area and the edge reflecting area, wherein the surfaces of the central reflecting area and the edge reflecting area have depth difference, thereby simultaneously tracking multiple satellites.
Drawings
Fig. 1 is a schematic structural diagram of a reflector antenna assembly with a flat-top directivity pattern in an open state according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a reflector antenna in a reflector antenna assembly with a flat-top pattern according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a reflector antenna according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a reflector antenna according to another embodiment of the present invention;
FIG. 5 is a schematic view of another view angle of a reflector antenna assembly with a flat-top directivity pattern in accordance with an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a reflector antenna assembly with a flat-top directivity pattern in an off state according to an embodiment of the present invention.
Wherein: 10. a reflective surface; 11. a central reflective region; 12. an edge reflection region;
20. a telescopic rod; 30. a feed source; 40. a feeder component; 50. a support; 51. a longitudinal axis; 60. a rotating member; 70. a reflecting surface support arm.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention discloses a reflecting surface antenna component with a flat-top directional diagram, which comprises a reflecting surface antenna, wherein as shown in figure 2, the front surface of the reflecting surface antenna is a reflecting surface 10, the reflecting surface 10 is a paraboloid, and the paraboloid comprises a central reflecting area 11 and an edge reflecting area 12; the central reflecting area 11 is circular, the edge reflecting area 12 is annular, and the inner periphery of the edge reflecting area 12 is connected with the outer periphery of the central reflecting area 11; the central reflecting zone 11 has a depth difference at the connecting edge with the edge reflecting zone 12, and the depth difference is used for enabling the reflecting surface 10 to form a beam with a flat-top directional pattern.
As shown in fig. 1, a support 50 is hinged to the bottom of the reflector antenna, a telescopic rod 20 is further disposed between the support 50 and the reflector antenna, and the telescopic rod 20 is used for adjusting the relative angle between the reflector 10 of the reflector antenna and the feed source 30; one end of the bracket 50 is hinged with the reflector antenna, the other end is provided with the feed source 30, and the feed source 30 is connected with external equipment through the feed line component 40.
The invention can form the antenna assembly through a small number of components, can reduce the complexity of the antenna assembly and the debugging difficulty of the antenna assembly, and can ensure that a wave beam with the characteristic of a flat-top directional diagram is formed through the reflector antenna by splitting the reflector of the paraboloid-shaped reflector antenna into a central reflecting area and an edge reflecting area, wherein the surfaces of the central reflecting area 11 and the edge reflecting area 12 have depth difference, and can simultaneously track multiple satellites.
In this embodiment, the area ratio between the central reflection area 11 and the edge reflection area 12 is an important condition for forming a beam with a flat-top directional diagram, so that the periphery of the edge reflection area 12 is in an irregular pattern, different sizes and dimensions can be calculated according to different beam requirements, and after the sizes and dimensions are determined, the peripheral patterns of the edge reflection areas 12 in different shapes can be planned according to the areas, thereby improving the aesthetic property of the reflector antenna.
More specifically, as shown in fig. 2, the periphery of the edge reflection area 12 is formed in a circular shape, which is an embodiment of the present invention. As shown in fig. 3, as another embodiment of the present invention, the periphery of the edge reflection region 12 forms a rectangle, and since the area size meets the requirement, a beam with a flat-top directional pattern can also be formed, thereby improving the application scenario of the antenna. As shown in fig. 4, another embodiment of the present invention is shown, in which the periphery of the edge reflection area is elliptical. Therefore, the overall shape of the reflector antenna can be adjusted according to actual needs, the specific structure of the antenna is not limited, and application scenes can be improved.
In addition, since the reflecting surface 10 of the reflecting surface antenna has a paraboloid, which is difficult to process, in this embodiment, as shown in fig. 5, the reflecting surface arm 70 is fixedly connected to the reverse side of the reflecting surface antenna, when the reflecting surface antenna is processed, a reflecting surface arm 70 consistent with the reverse side radian of the reflecting surface antenna is processed first, and then the reflecting surface arm 70 is connected to the reverse side of the reflecting surface antenna, so that the whole workpiece can be fixed conveniently, the processing progress of the reflecting surface antenna can be accelerated, and the curve and the precision of the reflecting surface can be ensured.
In this embodiment, combine plane of reflection antenna and support 50, can realize the angle modulation to the plane of reflection antenna, moreover, as shown in fig. 6, through the articulated of the two, can realize the folding of whole subassembly, when guaranteeing that this plane of reflection antenna subassembly closes, occupation space is littleer, and wind resistance is more excellent, and convenient transportation and save.
In the embodiment of the present invention, the support 50 is a planar support, and is formed by connecting a plurality of transverse rods and longitudinal rods. The support 50 is preferably located on the same plane, and on the one hand can make things convenient for the later stage installation revolving stage, and on the other hand also further increases and accomodates and transports. The feed line assembly 40 may also be mounted to the cross-bars and the cross-bars to transmit signals.
In the embodiment of the present invention, the connecting end of the bracket 50 is provided with a longitudinal shaft 51, and both ends of the longitudinal shaft 51 are respectively connected with the rotating member 60. The articulation of the carriage 50 and the rotary member 60 by means of the longitudinal axis 51 reduces the complexity of the assembly.
In the embodiment of the present invention, the bottom of the rotating member 60 has a shaft hole for being sleeved on the longitudinal shaft 51; the upper end of the rotary member 60 is fixedly connected to the reflecting surface arm 70. The rotating member 60 is fixedly connected to the reflecting surface arm 70, so that the rotating member 60 does not contact the reflecting surface antenna, the accuracy of receiving signals of the reflecting surface antenna can be improved, and interference can be prevented.
The telescopic rod 20 can be a cylinder or other adjustable telescopic rod pieces, one end of the telescopic rod is connected to the reflector antenna, the other end of the telescopic rod is connected to the support 50, the reflector antenna can be obliquely supported, the reflector antenna is matched with the feed source, and the accuracy of signal receiving or signal sending is improved.
In the embodiment of the present invention, the number of the telescopic rods 20 is two, and the telescopic rods are respectively connected to the same side of the reflector antenna and the bracket 50. Two telescopic links 20 set up respectively in the both sides of plane of reflection antenna, promote the stability of support, can also avoid producing the interference to the plane of reflection antenna.
In the embodiment of the present invention, the reflector antenna is rotated relative to the bracket 50 by the rotating member 60, and the reflector antenna assembly can be housed in a closed manner. Therefore, a support frame is arranged on the support 50, a cross beam is arranged on the support frame, a cushion layer is arranged at the top of the cross beam, and the cushion layer is used for supporting the reflector antenna when the reflector antenna and the support 50 are closed, so that the reflector antenna is prevented from being damaged.
Claims (9)
1. A reflector antenna assembly having a flat top pattern, comprising a reflector antenna having a reflector (10) on a front surface thereof, the reflector (10) being a parabolic surface, the parabolic surface comprising a central reflector region (11) and edge reflector regions (12);
the central reflecting area (11) is circular, the edge reflecting area (12) is annular, and the inner periphery of the edge reflecting area (12) is connected with the outer periphery of the central reflecting area (11);
the connecting edge of the central reflecting area (11) and the edge reflecting area (12) has a depth difference, and the depth difference is used for enabling the reflecting surface to form a beam with a flat-top directional diagram at different frequencies;
a support (50) is hinged to the bottom of the reflector antenna, a telescopic rod (20) is further arranged between the support (50) and the reflector antenna, and the telescopic rod (20) is used for adjusting the relative angle between the reflector (10) of the reflector antenna and the feed source (30);
one end of the support (50) is hinged to the reflector antenna, the other end of the support is provided with the feed source (30), and the feed source (30) is connected with external equipment through the feed line assembly (40).
2. A reflector antenna assembly having a flat top pattern according to claim 1, wherein the perimeter of said edge reflector region (12) is irregular.
3. A reflector antenna assembly having a flat top pattern according to claim 2, characterized in that the outer perimeter of said edge reflecting region (12) is circular, elliptical or rectangular.
4. A reflector antenna assembly with a flat top pattern according to claim 1, 2 or 3, characterized in that reflector arms (70) are fixedly attached to the opposite sides of the reflector antenna, said reflector arms (70) being adapted to hold the reflector antenna during machining of the reflector (10).
5. The dihedral antenna assembly as claimed in claim 4, wherein the support (50) is a planar support formed by a plurality of cross bars and longitudinal bars connected together.
6. A reflector antenna assembly having a flat top pattern according to claim 5, characterized in that said attachment end of said support frame (50) is provided with a longitudinal axis (51), and said longitudinal axis (51) is connected at each end to a respective rotating member (60).
7. A reflector antenna assembly with a flat top pattern according to claim 5 or 6, characterized in that said rotor (60) has an axial hole in its bottom for fitting over said longitudinal axis (51);
the upper end of the rotating part (60) is fixedly connected with the reflecting surface support arm (70).
8. A reflector antenna assembly with a flat top pattern according to claim 7, characterized in that said telescopic rods (20) are two in number and are connected respectively on the same side of said reflector antenna and said support (50).
9. A reflector antenna assembly with a flat top pattern according to claim 5, 6 or 8, characterized in that said support frame (50) is provided with a support beam having a beam top portion provided with a cushion for supporting said reflector antenna when said reflector antenna and said support frame (50) are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340048.7A CN113054441B (en) | 2021-03-30 | 2021-03-30 | Reflecting surface antenna assembly with flat-top directional diagram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340048.7A CN113054441B (en) | 2021-03-30 | 2021-03-30 | Reflecting surface antenna assembly with flat-top directional diagram |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113054441A true CN113054441A (en) | 2021-06-29 |
| CN113054441B CN113054441B (en) | 2022-12-20 |
Family
ID=76516452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110340048.7A Active CN113054441B (en) | 2021-03-30 | 2021-03-30 | Reflecting surface antenna assembly with flat-top directional diagram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113054441B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060005536A (en) * | 2004-07-13 | 2006-01-18 | 한국전자통신연구원 | Planar array antenna with flat-topped element pattern |
| CN101136504A (en) * | 2007-09-28 | 2008-03-05 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing mirror scanning array antenna |
| CN102280709A (en) * | 2011-05-27 | 2011-12-14 | 京信通信系统（中国）有限公司 | Outer cover of broadband shaped antenna and microwave antenna |
| CN202121072U (en) * | 2011-03-23 | 2012-01-18 | 四川省视频电子有限责任公司 | A multi-beam parabolic reflecting surface and a satellite receiving antenna having the multi-beam parabolic reflecting surface |
| CN204011740U (en) * | 2014-07-11 | 2014-12-10 | 南京鑫轩电子系统工程有限公司 | A kind of figuration doubly curved reflector antenna |
| CN107611623A (en) * | 2017-07-21 | 2018-01-19 | 西安普腾电子科技有限公司 | A kind of high efficiency tightens radiation field of aerial and target scattering test system |
| CN107706540A (en) * | 2017-08-30 | 2018-02-16 | 西安普腾电子科技有限公司 | A kind of rectangle high efficiency tightens radiation field of aerial and target scattering test system |
| WO2018120197A1 (en) * | 2016-12-30 | 2018-07-05 | 华为技术有限公司 | Antenna and communication device |
| CN110444851A (en) * | 2019-07-30 | 2019-11-12 | 中山赛思普电子科技有限公司 | Multi-beam off-set feed reflector antenna |
| CN112038766A (en) * | 2020-09-17 | 2020-12-04 | 上海交通大学 | High-gain eight-mode vortex electromagnetic wave reflecting surface antenna and wave beam convergence design method |
-
2021
- 2021-03-30 CN CN202110340048.7A patent/CN113054441B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060005536A (en) * | 2004-07-13 | 2006-01-18 | 한국전자통신연구원 | Planar array antenna with flat-topped element pattern |
| CN101136504A (en) * | 2007-09-28 | 2008-03-05 | 中国电子科技集团公司第五十四研究所 | Method for manufacturing mirror scanning array antenna |
| CN202121072U (en) * | 2011-03-23 | 2012-01-18 | 四川省视频电子有限责任公司 | A multi-beam parabolic reflecting surface and a satellite receiving antenna having the multi-beam parabolic reflecting surface |
| CN102280709A (en) * | 2011-05-27 | 2011-12-14 | 京信通信系统（中国）有限公司 | Outer cover of broadband shaped antenna and microwave antenna |
| WO2012163237A1 (en) * | 2011-05-27 | 2012-12-06 | 京信通信系统（中国）有限公司 | Broadband shaped antenna radome and microwave antenna |
| CN204011740U (en) * | 2014-07-11 | 2014-12-10 | 南京鑫轩电子系统工程有限公司 | A kind of figuration doubly curved reflector antenna |
| WO2018120197A1 (en) * | 2016-12-30 | 2018-07-05 | 华为技术有限公司 | Antenna and communication device |
| CN107611623A (en) * | 2017-07-21 | 2018-01-19 | 西安普腾电子科技有限公司 | A kind of high efficiency tightens radiation field of aerial and target scattering test system |
| CN107706540A (en) * | 2017-08-30 | 2018-02-16 | 西安普腾电子科技有限公司 | A kind of rectangle high efficiency tightens radiation field of aerial and target scattering test system |
| CN110444851A (en) * | 2019-07-30 | 2019-11-12 | 中山赛思普电子科技有限公司 | Multi-beam off-set feed reflector antenna |
| CN112038766A (en) * | 2020-09-17 | 2020-12-04 | 上海交通大学 | High-gain eight-mode vortex electromagnetic wave reflecting surface antenna and wave beam convergence design method |
Non-Patent Citations (4)
| Title |
|---|
| O. A. YURTSEV: "Numerical modeling of multi-beam reflector antennas", 《 2007 6TH INTERNATIONAL CONFERENCE ON ANTENNA THEORY AND TECHNIQUES》 * |
| 周兰兰等: "一种高效率五焦点抛物反射面天线的设计", 《空间电子技术》 * |
| 杜海龙等: "利用耦合实现相控阵平顶单元方向图的方法", 《宇航学报》 * |
| 杨垠: "阵列天线波束赋形方向图综合技术研究", 《中国博士论文全文数据库》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113054441B (en) | 2022-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1804333B1 (en) | Low profile antenna system and associated methods | |
| CN108808260A (en) | A kind of modification cylinder/spherical surface Luneberg lens antenna based on phased array feed | |
| WO2006079080B1 (en) | Method and apparatus for a radio transceiver | |
| JPH10276004A (en) | Continuous variable phase shifter capable of tilting down electrically antenna | |
| CN109921197A (en) | Wave beam large-angle scanning dual reflector antenna | |
| US20040217908A1 (en) | Adjustable reflector system for fixed dipole antenna | |
| CN103915679A (en) | Quadrifilar helix antenna with resonant top end | |
| CN110391499A (en) | Wide angle beam scanning reflector antenna | |
| US7773042B2 (en) | Conical scanning antenna system using nutation method | |
| CN204230437U (en) | A kind of wave beam continuous sweep dual reflector antenna | |
| CN204834890U (en) | Burnt satellite communication antenna of low section high performance ring | |
| CN113054441B (en) | Reflecting surface antenna assembly with flat-top directional diagram | |
| CN110739547B (en) | Cassegrain antenna | |
| CN108666747B (en) | Low-profile array antenna | |
| CN110676569A (en) | Annular omnidirectional antenna | |
| CN210074129U (en) | Multi-beam offset feed source reflector antenna | |
| KR101001174B1 (en) | Device with reflection plane for measuring radiation characteristic of antenna | |
| US8159410B2 (en) | Reflective antenna assembly | |
| CN214428776U (en) | Reflecting surface antenna with flat-top directional diagram | |
| CN108232460B (en) | Small-caliber conical horn with equal wave beam | |
| CN105161827A (en) | Low-profile and high-performance ring-focus satellite communication antenna | |
| Pivit et al. | Compact 60-GHz lens antenna with self-alignment feature for small cell backhaul | |
| CN107342455B (en) | Fan-shaped beam horizontal scanning antenna adopting monopole feed | |
| CN113013602A (en) | Low-profile wide-beam circularly-polarized microstrip antenna | |
| KR20050066543A (en) | Offset hybrid antenna by using focuser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |