CN206282957U - A kind of 11300 millimeters of satellite communication earth station antennas - Google Patents
A kind of 11300 millimeters of satellite communication earth station antennas Download PDFInfo
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- CN206282957U CN206282957U CN201621402384.0U CN201621402384U CN206282957U CN 206282957 U CN206282957 U CN 206282957U CN 201621402384 U CN201621402384 U CN 201621402384U CN 206282957 U CN206282957 U CN 206282957U
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Abstract
The utility model discloses a kind of 11300 millimeters of satellite communication earth station antennas, including the support of minor face bearing, subreflector, minor face, primary reflection surface, radiation beam, centerbody, pitching transmission system, maintenance platform, columns assemblies, rotation change component, spindle assemblies, Amimuth Transmission system, pylon component, upper axle assembly, Ku feed systems.The electromagnetic wave radiated from Ku feed systems is reflected towards primary reflection surface by subreflector, reflected again on primary reflection surface, because the focus of primary reflection surface overlaps with the focus of subreflector, after two secondary reflections of primary reflection surface, electric wave is parallel to parabola normal orientation directed radiation.The scope of the efficiency high of this 11300 millimeters of satellite communication earth station antennas, azimuth and the angle of pitch is expanded, and the wind loading rating with high intensity, and precision is also higher.
Description
Technical field
The utility model belongs to satellite communication field, and in particular to be a kind of 11300 millimeters of satellite communication earth stations day
Line.
Background technology
Satellite communication earth station is the communication terminal that (including in atmosphere) on earth is set in satellite communication system.
User accesses satellite communication line by satellite communication earth station, carries out mutual communication.Main business is phone, telegram, biography
Very, fax, TV and data transfer.Middle 1960s, to make satellite communication enter the practical stage, mainly use the earth
Synchronous-Orbiting Communication Satellite.Satellite communication uses microwave frequency band.Because satellite is away from earth km more than 30,000, electric wave path loses very
Greatly, earth station is needed using the reception system of large aperture antenna, high-power transmitter and high sensitivity low noise.Satellite antenna is just
It is the cauldron often said, is a metal parabola, is responsible for reflexing to satellite-signal in the feed and tuner of focal point.
The effect of satellite antenna is to collect the small-signal transmitted by satellite, and is eliminated as much as noise.Most of antennas are typically to throw
Object plane shape, also having some multifocal antennas is combined by sphere and parabola.Satellite-signal is by parabola antenna
Its focal point is focused on after reflection.
The satellite communication earth station antenna for being applied to satellite communication field at present is a kind of standard type Cassegrain antenna, this
Kind of antenna efficiency than relatively low, typically only 45%~50%, azimuth is ± 70 °, and the angle of pitch is 10~90 °, and antenna
Wind loading rating is poor, and precision is not high.
Utility model content
For the above-mentioned deficiency existing for prior art, the technical problems to be solved in the utility model is to provide a kind of new
11300 millimeters of satellite communication earth station antennas, it is a kind of double amendment Cassegrain antennas, is presented by two reflectings surface and one
Source constitutes.Primary reflection surface is a paraboloid of revolution, and subreflector is the hyperboloid of revolution.Feed is placed in the real burnt of the hyperboloid of revolution
On point, paraboloidal focus overlaps with the focus of the hyperboloid of revolution, and the electromagnetic wave radiated from feed is reflected by subreflector
To primary reflection surface, reflected again on primary reflection surface, because the focus of primary reflection surface overlaps with the focus of subreflector, through master
After two secondary reflections of reflecting surface, electric wave is parallel to parabola normal orientation directed radiation.The advantage of this antenna is the effect of antenna
Rate is high, and the scope of azimuth and the angle of pitch is expanded, and the wind loading rating with high intensity, and precision is also higher.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：
A kind of 11300 millimeters of satellite communication earth station antennas, including the support of minor face bearing, subreflector, minor face, principal reflection
Face, radiation beam, centerbody, pitching transmission system, maintenance platform, columns assemblies, rotation become component, spindle assemblies, Amimuth Transmission system
System, pylon component, upper axle assembly, Ku feed systems.
Columns assemblies and pylon component are the bases for installing antenna, and column is for bearing and adjusting all of reflector
's；Maintenance platform is arranged on column, and pylon component is connected with column by upper axle assembly；Amimuth Transmission system is to pass through
Rotation becomes component, spindle assemblies and is assemblied in the terminal pad of column；Pitching transmission system is connected by gudgeon and centerbody, in being mounted in
The back side of heart body, it is used to support antenna；16 primary reflection surfaces are connected by 16 radiation beams with centerbody；Ku feed systems
Installed in the centre position of centerbody；Subreflector is arranged on minor face bearing, is supported by minor face and is connected with primary reflection surface.
Pitching transmission system includes pitching motor, motor flange, adapter sleeve, worm screw, worm gear, bearing, ring flange, covers, bows
Face upward leading screw, pitching bearing.Pitching motor is arranged on motor flange, is connected with worm screw by adapter sleeve, and worm screw passes through bearing, method
Blue disk, lid are arranged in pitching bearing, and worm gear is engaged with worm screw and is also mounted in pitching bearing, and pitching screw set is mounted in worm gear
Centre is in free state.During work, worm screw is driven to rotate by adapter sleeve by pitching motor, so as to drive be engaged with worm screw
Worm gear wheel so that pitching leading screw is moved axially, is capable of achieving the angle adjustment of antenna alignment satellite.
Amimuth Transmission system includes azimuth-drive motor, motor flange, adapter sleeve, worm screw, worm gear, bearing, ring flange, lid, side
Position leading screw, orientation bearing.Azimuth-drive motor is arranged on motor flange, is connected with worm screw by adapter sleeve, and worm screw passes through bearing, method
Blue disk, lid are arranged in orientation bearing, and worm gear is engaged with worm screw and is also mounted in orientation bearing, and orientation screw set is mounted in worm gear
Centre is in free state.During work, worm screw is driven to rotate by adapter sleeve by azimuth-drive motor, so as to drive be engaged with worm screw
Worm gear wheel so that orientation leading screw axially move, be capable of achieving antenna orientation rotation.
When Antenna Operation, the electromagnetic wave radiated from Ku feed systems is reflected towards primary reflection surface by subreflector,
Reflected again on primary reflection surface, because the focus of primary reflection surface overlaps with the focus of subreflector, through primary reflection surface twice
After reflection, electric wave is parallel to parabola normal orientation directed radiation.
This 11300 millimeters of satellite communication earth station antennas use the reflector of aluminum, including the secondary lobe that high accuracy is formed
Subplate and centerbody with matching are assembled, it is ensured that the ease for operation of installation, and the design standard of pitching bearing is to high rigidity and steady
Qualitative one good solution, the driving feature that covering Star Simulator arc is become reconciled, it is ensured that C-band receives and outbound course
Accuracy.
Brief description of the drawings
Fig. 1 is main view direction structure schematic diagram of the present utility model.
Fig. 2 is the main view direction structure schematic diagram of the utility model pitching transmission system.
Fig. 3 is the internal structure schematic diagram of the utility model pitching transmission system.
Fig. 4 is the main view direction structure schematic diagram of the utility model Amimuth Transmission system.
Fig. 5 is the internal structure schematic diagram of the utility model Amimuth Transmission system.
In figure：1. minor face bearing, 2. subreflector, 3. minor face support, 4. primary reflection surface, 5. radiates beam, 6. centerbody, 7.
Pitching transmission system, 8. maintenance platform, 9. columns assemblies, 10. rotation becomes component, 11. spindle assemblies, 12. Amimuth Transmission systems,
13. pylon components, axle assembly on 14., 15.Ku feed systems；7-1. pitching motors, 7-2. motor flanges, 7-3. adapter sleeves,
7-4. worm screws, 7-5. worm gears, 7-6. bearings, 7-7. ring flanges, 7-8. lids, 7-9. pitching leading screws, 7-10. pitching bearings；12-1.
Azimuth-drive motor, 12-2. motor flanges, 12-3. adapter sleeves, 12-4. worm screws, 12-5. worm gears, 12-6. bearings, 12-7. ring flanges,
12-8. is covered, 12-9. orientation leading screw, 12-10. orientation bearing.
Specific embodiment
Particular content of the present utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of 11300 millimeters of satellite communication earth station antennas, including minor face bearing 1, subreflector 2, pair
Face support 3, primary reflection surface 4, radiation beam 5, centerbody 6, pitching transmission system 7, maintenance platform 8, columns assemblies 9, rotation become component
10th, spindle assemblies 11, Amimuth Transmission system 12, pylon component 13, upper axle assembly 14, Ku feed systems 15.Such as Fig. 2 and Fig. 3
Shown, pitching transmission system 7 includes pitching motor 7-1, motor flange 7-2, adapter sleeve 7-3, worm screw 7-4, worm gear 7-5, bearing
7-6, ring flange 7-7, lid 7-8, pitching leading screw 7-9, pitching bearing 7-10.As shown in Figure 4 and Figure 5, Amimuth Transmission system 12 is wrapped
Include azimuth-drive motor 12-1, motor flange 12-2, adapter sleeve 12-3, worm screw 12-4, worm gear 12-5, bearing 12-6, ring flange 12-7,
Lid 12-8, orientation leading screw 12-9, orientation bearing 12-10.
As shown in figure 1, columns assemblies 9 and pylon component 13 are the bases for installing antenna, column is for bearing and adjusting
All of reflector；Maintenance platform 8 is arranged on column, and pylon component 13 is connected with column by upper axle assembly 14；
Amimuth Transmission system 12 is assemblied in the terminal pad of column by revolving change component 10, spindle assemblies 11；Pitching transmission system 7 is led to
Cross gudgeon and centerbody 6 is connected, mounted in the back side of centerbody 6；16 primary reflection surfaces 4 are by 16 radiation beam 5 and the phases of centerbody 6
Even；Ku feed systems 15 are arranged on the centre position of centerbody 6；Subreflector 2 is arranged on minor face bearing 1, by minor face branch
Support 3 is connected with primary reflection surface 4.
As shown in Figures 2 and 3, pitching motor 7-1 is arranged on motor flange 7-2, by adapter sleeve 7-3 and worm screw 7-4
It is connected, worm screw 7-4 is arranged in pitching bearing 7-10 by bearing 7-6, ring flange 7-7, lid 7-8, worm gear 7-5 and worm screw 7-4
It is engaged and is also mounted in pitching bearing 7-10, pitching leading screw 7-9 is sleeved in the middle of worm gear 7-5 in free state.During work,
Worm screw 7-4 is driven to rotate by adapter sleeve 7-3 by pitching motor 7-1, so as to drive the worm gear 7-5 being engaged with worm screw 7-4 to turn
It is dynamic so that pitching leading screw 7-9 is moved axially, it is capable of achieving the angle adjustment of antenna alignment satellite.
As shown in Figure 4 and Figure 5, azimuth-drive motor 12-1 is arranged on motor flange 12-2, by adapter sleeve 12-3 and worm screw
12-4 is connected, and worm screw 12-4 is arranged in orientation bearing 12-10 by bearing 12-6, ring flange 12-7, lid 12-8, worm gear 12-5
Be engaged with worm screw 12-4 and be also mounted in orientation bearing 12-10, orientation leading screw 12-9 be sleeved in the middle of worm gear 12-5 in from
By state.During work, worm screw 12-4 is driven to rotate by adapter sleeve 12-3 by azimuth-drive motor 12-1, so as to drive and worm screw 12-4
The worm gear 12-5 being engaged is rotated so that orientation leading screw 12-9 is moved axially, realizes the orientation rotation of antenna.
Pitching transmission system 7 is used for supporting antenna.Start the engine on pitching bottle screw, make it along direction of principal axis
Move up and down.Lasting adjustment is all possible within the scope of 0 ° to 90 °.After adjustment, engine is pinned, antenna is installed.
Amimuth Transmission system 12 uses a kind of bottle screw type of drive of screw type irregular square, and it has elder generation
The load performance and the mode of operation of fixation for entering.Bottle screw is driven by the engine on gyrobearing bottle screw
CW or CCW, antenna can rotate around azimuth axis, and adjusting range can close engine within ± 90 °, after the adjustment,
Antenna is installed.
Antenna is that, by 16 primary reflection surfaces 4 of mode connects for screw, connected centerbody 6 and back structures support composition
One complete structural system.Such structure design can ensure surface accuracy higher, rigidity and intensity.
When Antenna Operation, the electromagnetic wave radiated from Ku feed systems 15 is reflected towards primary reflection surface by subreflector 2
4, reflected again on primary reflection surface 4, because the focus of primary reflection surface 4 overlaps with the focus of subreflector 2, through primary reflection surface
After 4 two secondary reflections, electric wave is parallel to parabola normal orientation directed radiation.When receiving signal, two secondary reflections of primary reflection surface 4
Afterwards, electric wave converges to Ku feed systems 15, and Ku feed systems 15 can receive peak signal energy.
In sum, a kind of 11300 millimeters of satellite communication earth station antennas, the efficiency of the antenna disclosed in the utility model
Up to 60%, range of movement is also increased, reachable ± 90 ° of azimuth, the angle of pitch up to 0~90 °, the wind resistance energy with high intensity
Power and precision higher.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that above-mentioned implementation method is familiar with this only to illustrate technology design of the present utility model and feature its object is to allow
The personage of technology will appreciate that content of the present utility model and is carried out, and can not limit protection model of the present utility model with this
Enclose, all equivalent change or modifications made according to the utility model Spirit Essence should all cover in protection model of the present utility model
In enclosing.
Claims (6)
1. a kind of 11300 millimeters of satellite communication earth station antennas, it is characterised in that：Including minor face bearing (1), subreflector (2),
Minor face support (3), primary reflection surface (4), radiation beam (5), centerbody (6), pitching transmission system (7), maintenance platform (8), column
Component (9), rotation become component (10), spindle assemblies (11), Amimuth Transmission system (12), pylon component (13), upper axle assembly
(14), Ku feed systems (15), columns assemblies (9) and pylon component (13) are the bases for installing antenna, and maintenance platform (8) is installed
On column, pylon component (13) is connected with column by upper axle assembly (14), and Amimuth Transmission system (12) is by rotation
Become component (10), spindle assemblies (11) to be assemblied in the terminal pad of column, pitching transmission system (7) is by gudgeon and centerbody
(6) connect, mounted in the back side of centerbody (6)；16 primary reflection surfaces (4) are connected by 16 radiation beam (5) with centerbody (6),
Ku feed systems (15) installed in the centre position of centerbody (6), subreflector (2) on minor face bearing (1), by pair
Face support (3) is connected with primary reflection surface (4).
2. a kind of 11300 millimeters of satellite communication earth station antennas according to claim 1, it is characterised in that：The pitching
Transmission system (7) includes pitching motor (7-1), motor flange (7-2), adapter sleeve (7-3), worm screw (7-4), worm gear (7-5), axle
(7-6), ring flange (7-7), lid (7-8), pitching leading screw (7-9), pitching bearing (7-10) are held, pitching motor (7-1) is arranged on
On motor flange (7-2), it is connected with worm screw (7-4) by adapter sleeve (7-3), worm screw (7-4) passes through bearing (7-6), ring flange
(7-7), lid (7-8) are arranged in pitching bearing (7-10), and worm gear (7-5) is engaged with worm screw (7-4) and is also mounted at pitching branch
In seat (7-10), pitching leading screw (7-9) is sleeved in the middle of worm gear (7-5) in free state.
3. a kind of 11300 millimeters of satellite communication earth station antennas according to claim 1, it is characterised in that：The orientation
Transmission system (12) includes azimuth-drive motor (12-1), motor flange (12-2), adapter sleeve (12-3), worm screw (12-4), worm gear
(12-5), bearing (12-6), ring flange (12-7), lid (12-8), orientation leading screw (12-9), orientation bearing (12-10), orientation electricity
Machine (12-1) is arranged on motor flange (12-2), is connected with worm screw (12-4) by adapter sleeve (12-3), and worm screw (12-4) is led to
Cross bearing (12-6), ring flange (12-7), lid (12-8) to be arranged in orientation bearing (12-10), worm gear (12-5) and worm screw
(12-4) is engaged and is also mounted in orientation bearing (12-10), and orientation leading screw (12-9) is sleeved in the middle of worm gear (12-5) and is in
Free state.
4. a kind of 11300 millimeters of satellite communication earth station antennas according to claim 1, it is characterised in that：From Ku feeds
The electromagnetic wave that system (15) is radiated is reflected towards primary reflection surface (4) by subreflector (2), on primary reflection surface (4) again by
Reflection, because the focus of primary reflection surface (4) overlaps with the focus of subreflector (2), through two secondary reflections of primary reflection surface (4) after,
Electric wave is parallel to parabola normal orientation directed radiation；When receiving signal, after two secondary reflections of primary reflection surface (4), electric wave is converged
To Ku feed systems (15), Ku feed systems (15) can receive peak signal energy.
5. a kind of 11300 millimeters of satellite communication earth station antennas according to claim 2, it is characterised in that：Bowed described
Face upward in transmission system (7), pitching motor (7-1) drives worm screw (7-4) to rotate by adapter sleeve (7-3), so as to drive and worm screw
The worm gear (7-5) that (7-4) is engaged is rotated so that pitching leading screw (7-9) is moved axially.
6. a kind of 11300 millimeters of satellite communication earth station antennas according to claim 3, it is characterised in that：In the side
In position transmission system (12), azimuth-drive motor (12-1) drives worm screw (12-4) to rotate by adapter sleeve (12-3), thus drive with
The worm gear (12-5) that worm screw (12-4) is engaged is rotated so that orientation leading screw (12-9) is moved axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621402384.0U CN206282957U (en) | 2016-12-20 | 2016-12-20 | A kind of 11300 millimeters of satellite communication earth station antennas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621402384.0U CN206282957U (en) | 2016-12-20 | 2016-12-20 | A kind of 11300 millimeters of satellite communication earth station antennas |
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| CN206282957U true CN206282957U (en) | 2017-06-27 |
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| CN201621402384.0U Active CN206282957U (en) | 2016-12-20 | 2016-12-20 | A kind of 11300 millimeters of satellite communication earth station antennas |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100715A (en) * | 2018-06-05 | 2018-12-28 | 国网四川省电力公司电力科学研究院 | The real-time mountain fire monitoring device of power grid wide area based on multispectral heat energy monitoring radar |
| CN109301498A (en) * | 2018-09-13 | 2019-02-01 | 芜湖博高光电科技股份有限公司 | A kind of novel 3mm wave band antenna film coated plastic subreflector bracket |
| CN109378568A (en) * | 2018-11-19 | 2019-02-22 | 国家电网公司 | Antenna and satellite communication station |
| CN109888448A (en) * | 2019-03-01 | 2019-06-14 | 张淼淼 | A kind of satellite antenna |
| CN110299599A (en) * | 2019-07-26 | 2019-10-01 | 中国电子科技集团公司第五十四研究所 | A kind of space structure weight-balancing device for reflector antenna |
| CN110312107A (en) * | 2019-05-29 | 2019-10-08 | 泉州天地星电子有限公司 | A kind of AVS satellite television receiver for supporting a variety of decoding processes |
| CN110890633A (en) * | 2019-12-10 | 2020-03-17 | 哈尔滨工业大学 | Offset-feed double-reflector folding antenna system and mechanism |
| CN112201963A (en) * | 2020-09-28 | 2021-01-08 | 盐城市星地通信设备有限公司 | Large-scale portable satellite antenna |
| CN113346242A (en) * | 2021-05-17 | 2021-09-03 | 上海机电工程研究所 | Antenna pitching wave beam control structure with multiple angle change and control method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100715A (en) * | 2018-06-05 | 2018-12-28 | 国网四川省电力公司电力科学研究院 | The real-time mountain fire monitoring device of power grid wide area based on multispectral heat energy monitoring radar |
| CN109301498A (en) * | 2018-09-13 | 2019-02-01 | 芜湖博高光电科技股份有限公司 | A kind of novel 3mm wave band antenna film coated plastic subreflector bracket |
| CN109378568A (en) * | 2018-11-19 | 2019-02-22 | 国家电网公司 | Antenna and satellite communication station |
| CN109888448A (en) * | 2019-03-01 | 2019-06-14 | 张淼淼 | A kind of satellite antenna |
| CN110312107A (en) * | 2019-05-29 | 2019-10-08 | 泉州天地星电子有限公司 | A kind of AVS satellite television receiver for supporting a variety of decoding processes |
| CN110299599A (en) * | 2019-07-26 | 2019-10-01 | 中国电子科技集团公司第五十四研究所 | A kind of space structure weight-balancing device for reflector antenna |
| CN110299599B (en) * | 2019-07-26 | 2024-02-13 | 中国电子科技集团公司第五十四研究所 | Space structure counterweight device for reflecting surface antenna |
| CN110890633A (en) * | 2019-12-10 | 2020-03-17 | 哈尔滨工业大学 | Offset-feed double-reflector folding antenna system and mechanism |
| CN110890633B (en) * | 2019-12-10 | 2020-12-25 | 哈尔滨工业大学 | Offset-feed double-reflecting-surface folding antenna mechanism |
| CN112201963A (en) * | 2020-09-28 | 2021-01-08 | 盐城市星地通信设备有限公司 | Large-scale portable satellite antenna |
| CN112201963B (en) * | 2020-09-28 | 2022-05-03 | 盐城市星地通信设备有限公司 | Large-scale portable satellite antenna |
| CN113346242A (en) * | 2021-05-17 | 2021-09-03 | 上海机电工程研究所 | Antenna pitching wave beam control structure with multiple angle change and control method |
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