CN105552568A - Airborne light-weight integrated parabolic antenna - Google Patents
Airborne light-weight integrated parabolic antenna Download PDFInfo
- Publication number
- CN105552568A CN105552568A CN201610116864.9A CN201610116864A CN105552568A CN 105552568 A CN105552568 A CN 105552568A CN 201610116864 A CN201610116864 A CN 201610116864A CN 105552568 A CN105552568 A CN 105552568A
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- China
- Prior art keywords
- pitching
- wheel
- steamboat
- azimuth
- synchronous toothed
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
An airborne light-weight integrated parabolic antenna comprises a horizontal rotational azimuth synchronous toothed big wheel, a horizontal rotational azimuth synchronous toothed small wheel, a horizontal rotational azimuth synchronous toothed belt, a horizontal rotational azimuth motor, an elevation synchronous toothed big wheel, an elevation synchronous toothed small wheel, an elevation synchronous toothed belt, an elevation motor, an antenna control unit, a reflection surface and feed synthesis network, a transmitter, a receiver and a frequency conversion unit, wherein the horizontal rotational azimuth synchronous toothed big wheel is engaged with the horizontal rotational azimuth synchronous toothed small wheel by the horizontal rotational azimuth synchronous toothed belt, the horizontal rotational azimuth synchronous toothed small wheel is driven by the horizontal rotational azimuth motor, and the elevation synchronous toothed big wheel, the elevation synchronous toothed small wheel, the elevation synchronous toothed belt, the elevation motor, the antenna control unit, the reflection surface and feed synthesis network, the transmitter, the receiver and the frequency conversion unit are all arranged on a platform formed by the horizontal rotational azimuth synchronous toothed big wheel by a vertical support.
Description
Technical field
The present invention relates to satellite communication antena, especially the preparation of light weight integration parabolic antenna.
Background technology
Antenna is the important component part of satellite communication system, is the input and output passage of earth station radiofrequency signal, and its performance quality directly has influence on the performance of whole communication system.Satellite communication antena has multiple pattern, is divided into plate aerial and parabolic antenna by the shape of reflecting surface.Plate aerial section is low, and wave beam can figuration, but its radiation efficiency and aperture efficiency lower than parabolic antenna, therefore its gain is generally low than same bore parabolic antenna.According to different environments for use, maximize favourable factors and minimize unfavourable ones, carry out selection design.
According to different reflecting surface patterns, select suitable astronomical cycle mounting.Astronomical cycle mounting mainly contains two shaft type mountings and triple axle mounting pattern.Two shaft type mountings are divided into and horizontally rotate elevation-over-azimuth mount and X/Y mounting, and structural shape is the simplest; Triple axle mounting, for horizontally rotating orientation-pitching-roll shaft type mounting, owing to adding roll axle, can improve the speed of tracking, but it is larger to rotate the enveloping space, and weight also can increase.
For different carriers, the instructions for use of antenna Design for Satellite Communication in Motion is different.The airborne equipment of fixed wing aircraft and helicopter, generally have harsh requirement to its overall dimension and weight, and the environments for use such as its vibration, impact, high/low temperature is also very harsh.The Design and manufacture of airborne equipment need meet corresponding airborne requirement.
Summary of the invention
The present invention seeks to, propose a kind of airborne light weight integration parabolic antenna, select the antenna reflective face form with High-efficiency high-gain, design suitable antenna mounting seat, complete machine is lightweight, rotates envelope size little, be applicable to airborne installation, adapt to airborne environment for use requirement.
Technical scheme of the present invention is, airborne light weight integration parabolic antenna, comprise horizontally rotate azimuth synchro toothed wheel bull wheel, horizontally rotate azimuth synchro toothed wheel steamboat, horizontally rotate azimuth synchro cog belt, horizontally rotate azimuth-drive motor, pitching synchronizing juggedly takes turns bull wheel, pitching is synchronizing jugged takes turns steamboat, pitching synchronous cog belt, pitching motor, antenna control unit, reflecting surface and feed comprise network, transmitter, receiver, converter unit; Horizontally rotate azimuth synchro toothed wheel bull wheel by horizontally rotating azimuth synchro cog belt and horizontally rotating azimuth synchro toothed wheel steamboat and engage, the synchronizing jugged steamboat of taking turns of flat gyrobearing drives by horizontally rotating azimuth-drive motor; Pitching is synchronizing jugged to be taken turns synchronizing jugged steamboat, pitching synchronous cog belt, pitching motor, antenna control unit, reflecting surface and feed comprise network, transmitter, receiver, the converter unit of taking turns of bull wheel, pitching and is all arranged on by a vertical support frame and horizontally rotates on platform that azimuth synchro toothed wheel bull wheel forms; Vertical support frame installs the synchronizing jugged wheel shaft of taking turns bull wheel center of pitching, fixed reflection surface and feed comprise network, transmitter, receiver on wheel shaft; Pitching is synchronizing jugged takes turns that bull wheel synchronizing juggedly takes turns that steamboat engages by pitching synchronous cog belt and pitching, pitching motor drives that pitching is synchronizing jugged takes turns steamboat.
Airborne light weight integration parabolic antenna is Ku band operation frequency, by parabola formula ring-focus antenna reflecting surface and feeding network and pitching rotating shaft integration, adopts Synchronous Belt Drives realization to horizontally rotate orientation-pitching type lightweight antenna mounting seat.
Beneficial effect of the present invention: parabola formula ring-focus antenna of the present invention is a kind of dual reflector antenna, be made up of primary reflection surface, subreflector and Feed Horn, there is the advantage of low sidelobe, high aperture efficiency and high G/T value, and according to envelope requirement, correction of the flank shape cutting is carried out to primary reflection surface profile.Feeding network space is separated and synthesis, and transmitting-receiving polarization separately adjustment, the axle that polarizer and pitching rotate is multiplexing, and compact conformation, significantly alleviates weight of equipment.
Horizontally rotate orientation adjustment and pitching adjustment all employing synchronous toothed belt type kinds of drive, structure is simple, easy to maintenance, stable working, and noise is less, and it is accurate to have gearratio, and linear velocity is high, the advantage that bearing capacity is large.
0.45 meter of Ku band satellite communication antenna of this invention has been used in all kinds of helicopter-mounted satellite communication at present, antenna size is compact, envelope diameter is Φ 600mm, be highly 430mm, weight is only 15Kg, adapt to all kinds of helicopter install, for the lightweight of communication system, miniaturization have played important function.
Accompanying drawing explanation
Fig. 1 airborne light weight integration parabolic antenna left side view;
Fig. 2 airborne light weight integration parabolic antenna right side view;
Fig. 3 reflecting surface and integrated feeding network composition vertical view;
Fig. 4 reflecting surface and integrated feeding network composition rearview.
Embodiment
In Fig. 1 and Fig. 2, each part is: 1 azimuth synchro toothed wheel bull wheel, 2 azimuth synchro toothed wheel steamboats, 3 azimuth synchro cog belts, 4 azimuth-drive motors, 5 pitching are synchronizing jugged takes turns bull wheel, 6 pitching are synchronizing jugged takes turns steamboat, 7 pitching synchronous cog belts, 8 pitching motors, 9 antenna control units, 10 reflectings surface and feed comprise network, 11 transmitters, 12 receivers, 13 converter units.
In Fig. 3 and Fig. 4, each part is: 21 primary reflection surfaces, 22 subreflectors, 23 feeds, 24 separators, 25 same multiplexers, 26 are received polarizer, 27 and received polarization modulation mechanism, 28 polarizers, 29 polarization modulation mechanisms.For 0.45 meter of Ku band satellite communication airborne antenna, comprise the part such as Ku frequency range reflecting surface and feed comprise network, Ku band transmitter, Ku band receiver, converter unit, antenna servo mechanism and antenna control unit, see " Fig. 1 airborne light weight integration parabolic antenna left side view " and " Fig. 2 airborne light weight integration parabolic antenna right side view ".
Antenna servo mechanism is by horizontally rotating bearing servo device and elevation servo device forms, all adopt Synchronous Belt Drives mode, horizontally rotate bearing servo device to comprise and horizontally rotate azimuth synchro toothed wheel bull wheel, horizontally rotate azimuth synchro toothed wheel steamboat, horizontally rotate azimuth synchro cog belt and horizontally rotate azimuth-drive motor, elevation servo device comprises that pitching synchronizing juggedly takes turns bull wheel, pitching is synchronizing jugged takes turns steamboat, pitching synchronous cog belt and pitching motor, horizontally rotates orientation, the control of elevation servo motor is arranged in antenna control unit.Driving parts selects lightweight aerospace aluminium alloy to make, and overall processing is shaping, and loss of weight empties process, and ensure enough support strengths and rigidity, weight does not but increase.Horizontally rotate orientation rotation main shaft by bearings, collector ring and cradle head are installed, solve the cable winding problem horizontally rotated when orientation unrestrictedly rotates.
Reflecting surface and integrated feeding network are made up of, see " Fig. 3 reflecting surface and integrated feeding network form vertical view " and " Fig. 4 reflecting surface and integrated feeding network form rearview " parts such as primary reflection surface, subreflector, feed, separator, same to multiplexer, receipts polarizer, receipts polarization modulation mechanism, a polarizer and polarization modulation mechanisms.Electromagnetic wave signal separation after feed focuses on, filtering, phase place adjustment, become and receive and launch two paths of signals, and respectively by receiving polarizer and receiving polarization modulation mechanism and send out polarizer and send out polarization modulation mechanism, realization transmitting-receiving is separated, and independent polarization adjusts.Polarizer is designed to circular shaft shape herein, as the rotating shaft that pitching rotates, is connected to horizontally rotates on chassis, orientation by support.Primary reflection surface is carbon fibre material, and other feeding network adopts aluminum alloy materials, and lightweight is anticorrosion, and conductivity is good.Such structure avoids the large feeding network rotation size that conventional polar adjustment produces, and can install frequency converter and transmitter behind, compact conformation, effectively reduce installation dimension, weight reduction at feeding network.
The aluminium matter piece surface of antenna adopts the process of true qualities electric conductive oxidation, keeps the outside aesthetic property of antenna.
Claims (1)
1. airborne light weight integration parabolic antenna, it is characterized in that comprising horizontally rotate azimuth synchro toothed wheel bull wheel, horizontally rotate azimuth synchro toothed wheel steamboat, horizontally rotate azimuth synchro cog belt, horizontally rotate azimuth-drive motor, pitching synchronizing juggedly takes turns bull wheel, pitching is synchronizing jugged takes turns steamboat, pitching synchronous cog belt, pitching motor, antenna control unit, reflecting surface and feed comprise network, transmitter, receiver, converter unit; Horizontally rotate azimuth synchro toothed wheel bull wheel by horizontally rotating azimuth synchro cog belt and horizontally rotating azimuth synchro toothed wheel steamboat and engage, the synchronizing jugged steamboat of taking turns of flat gyrobearing drives by horizontally rotating azimuth-drive motor; Pitching is synchronizing jugged to be taken turns synchronizing jugged steamboat, pitching synchronous cog belt, pitching motor, antenna control unit, reflecting surface and feed comprise network, transmitter, receiver, the converter unit of taking turns of bull wheel, pitching and is all arranged on by a vertical support frame and horizontally rotates on platform that azimuth synchro toothed wheel bull wheel forms; Vertical support frame installs the synchronizing jugged wheel shaft of taking turns bull wheel center of pitching, fixed reflection surface and feed comprise network, transmitter, receiver on wheel shaft; Pitching is synchronizing jugged takes turns that bull wheel synchronizing juggedly takes turns that steamboat engages by pitching synchronous cog belt and pitching, pitching motor drives that pitching is synchronizing jugged takes turns steamboat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116864.9A CN105552568A (en) | 2016-03-01 | 2016-03-01 | Airborne light-weight integrated parabolic antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116864.9A CN105552568A (en) | 2016-03-01 | 2016-03-01 | Airborne light-weight integrated parabolic antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105552568A true CN105552568A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610116864.9A Pending CN105552568A (en) | 2016-03-01 | 2016-03-01 | Airborne light-weight integrated parabolic antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105552568A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270496A (en) * | 2018-10-31 | 2019-01-25 | 安徽四创电子股份有限公司 | A kind of blank pipe primary radar antenna-feeder system |
| CN109411880A (en) * | 2018-11-06 | 2019-03-01 | 湖南航天环宇通信科技股份有限公司 | A kind of airborne antenna for satellite communication in motion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62266901A (en) * | 1986-05-15 | 1987-11-19 | Fujitsu Ltd | Mechanism for adjusting elevating angle of reflector antenna |
| CN103606739A (en) * | 2013-11-28 | 2014-02-26 | 武汉虹信通信技术有限责任公司 | System for two-dimensional remote-control adjustment of angle of airspace coverage type antenna |
| CN105161825A (en) * | 2015-09-01 | 2015-12-16 | 南京中网卫星通信股份有限公司 | Three-axis stabilized and four-axis tracked shipborne on-the-move antenna |
-
2016
- 2016-03-01 CN CN201610116864.9A patent/CN105552568A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62266901A (en) * | 1986-05-15 | 1987-11-19 | Fujitsu Ltd | Mechanism for adjusting elevating angle of reflector antenna |
| CN103606739A (en) * | 2013-11-28 | 2014-02-26 | 武汉虹信通信技术有限责任公司 | System for two-dimensional remote-control adjustment of angle of airspace coverage type antenna |
| CN105161825A (en) * | 2015-09-01 | 2015-12-16 | 南京中网卫星通信股份有限公司 | Three-axis stabilized and four-axis tracked shipborne on-the-move antenna |
Non-Patent Citations (1)
| Title |
|---|
| 严诺: "某机载雷达二维稳定平台结构设计", 《电子机械工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270496A (en) * | 2018-10-31 | 2019-01-25 | 安徽四创电子股份有限公司 | A kind of blank pipe primary radar antenna-feeder system |
| CN109411880A (en) * | 2018-11-06 | 2019-03-01 | 湖南航天环宇通信科技股份有限公司 | A kind of airborne antenna for satellite communication in motion |
| CN109411880B (en) * | 2018-11-06 | 2021-01-08 | 湖南航天环宇通信科技股份有限公司 | Airborne power-driven center-through antenna |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |