CN109411880A - A kind of airborne antenna for satellite communication in motion - Google Patents
A kind of airborne antenna for satellite communication in motion Download PDFInfo
- Publication number
- CN109411880A CN109411880A CN201811311849.5A CN201811311849A CN109411880A CN 109411880 A CN109411880 A CN 109411880A CN 201811311849 A CN201811311849 A CN 201811311849A CN 109411880 A CN109411880 A CN 109411880A
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- pitching
- component
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- orientation
- polarization
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- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- 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
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Abstract
The present invention provides a kind of airborne antenna for satellite communication in motion, are related to technical field of satellite communication.Airborne antenna for satellite communication in motion includes reflecting surface component, feed component, polarization modulation component, pitching rotary component, azimuth rotating platform component and servo control division equipments；For being mounted on body, pitching rotary component is mounted on azimuth rotating platform component azimuth rotating platform component, and azimuth rotating platform group can drive pitching rotary component level to rotate；Reflecting surface component is mounted on pitching rotary component, and pitching rotary component can drive reflecting surface component pitch rotation, and polarization modulation component and feed component are mounted on reflecting surface component, and polarization modulation component can drive feed component to rotate.Airborne antenna for satellite communication in motion is compact-sized, light-weight, high reliablity, while being able to satisfy the layout requirements of forward cockpit.
Description
Technical field
The present invention relates to technical field of satellite communication, in particular to a kind of airborne antenna for satellite communication in motion.
Background technique
With the fast development of information technology, unmanned plane exists in fields such as defense military, government safeties to be widely applied
And development potentiality.Unmanned plane satellite relay data-link is the important subsystem of unmanned plane, outside over the horizon range, unmanned plane and ground
The bidirectional data communication of face command centre is to carry out data relaying by geostationary satellite (GEO).
Important component of the airborne antenna for satellite communication in motion as airborne data terminal (SADT), in aircraft flight in real time with
Track alignment target satellite realizes the reception of remote measuring and controlling instruction and the passback of load data (HD video, image, data etc.).
The successful application of this technology greatly improves the scope of investigation and fight capability of unmanned plane." predator " of U.S. army's equipment
UAV system relays data-link using Ku band satellite, scouts confidence transmission rate up to 1.544Mbit/s, operating distance
900~3700Km, cruise duration are greater than 20h；The Global Hawk unmanned air vehicle system also uses Ku band satellite relaying data-link,
In the case where increasing airborne antenna size and power output, reconnaissance transmission rate is up to 1.5~50Mbit/s, operating distance
5500Km。
Airborne antenna for satellite communication in motion is different from traditional vehicle-mounted antenna for satellite communication in motion and boat-carrying antenna for satellite communication in motion, to meet unmanned plane
Work use environment, airborne antenna for satellite communication in motion requires that structure is more compact, weight is lighter, reliability is higher, is able to satisfy simultaneously
The layout requirements of forward cockpit.
Summary of the invention
The embodiment of the present invention provides a kind of airborne antenna for satellite communication in motion, compact-sized, light-weight, high reliablity, while energy
Meet the layout requirements of forward cockpit.
Technical solution provided in an embodiment of the present invention:
A kind of airborne antenna for satellite communication in motion include reflecting surface component, feed component, polarization modulation component, pitching rotary component,
Azimuth rotating platform component and servo control division equipments；
For the azimuth rotating platform component for being mounted on body, the pitching rotary component is mounted on the azimuth rotating platform group
On part, the azimuth rotating platform group can drive the pitching rotary component level to rotate；The reflecting surface component is mounted on described bow
Face upward on Turntable Assemblies, the pitching rotary component can drive the reflecting surface component pitch rotation, the polarization modulation component and
The feed component is mounted on the reflecting surface component, and the polarization modulation component can drive the feed component to rotate.
Further, the reflecting surface component includes main reflector, leads anti-backrest, subreflector, support tube and support rod,
The back side of the main reflector is arranged in the anti-backrest of master, and the centre of the main reflector offers through-hole, the support tube
It is fixed in the anti-backrest of the master and passes through the through-hole, one end of the support rod is connected on the support tube, the branch
The other end of strut supports the subreflector.
Further, the feed component includes loudspeaker, coupler, receives resistance filter, polarization joint, pitching joint, hair
Hinder filter, low noise low-converter, the first reception waveguide bend, the second reception waveguide bend, the first transmitting waveguide bend, the second transmitting
Waveguide bend and third emit waveguide bend；
The loudspeaker are arranged between the subreflector and the support tube, the loudspeaker, the coupler, the receipts
Hinder filter, the polarization joint, the first transmitting waveguide bend, the pitching joint, the second transmitting waveguide bend and institute
Third transmitting waveguide bend is stated to be sequentially connected；The coupler, described first receive waveguide bend, the hair hinders filter, described the
Two reception waveguide bends and the low noise low-converter are sequentially connected.
Further, the polarization modulation component includes stepper motor, the first polarization gear, the second polarization gear, polarization
Shaft, polarization bearing and bearing block；
The stepper motor is fixed in the anti-backrest of the master, and the first polarization gear is mounted on the stepper motor
On output shaft, the second polarization gear is engaged with the first polarization gear, one end and described second of the polarization shaft
Polarization gear is fixedly connected, and the other end of the polarization shaft is inserted into the inner ring of the polarization bearing, the polarization bearing installation
On the bearing block, the bearing block is fixedly mounted in the anti-backrest of the master, is offered and is matched in the middle part of the polarization shaft
Hole is closed, the matching hole and the coupler cooperate, and make the stepper motor that can drive the feed component rotation.
Further, the pitching rotary component includes pitching left plate, pitching right side plate, the first pitching gear, second
Pitching gear, pitching direct current generator, pitching trunnion, the first pitch bearing and the second pitch bearing；
The pitching direct current generator is fixed on the pitching left plate, and the first pitching gear is mounted on the pitching
On the output shaft of direct current generator, the second pitching gear is engaged with the first pitching gear, and the second pitching gear is logical
It crosses first pitch bearing to be mounted in the bearing hole of the pitching left plate, the pitching trunnion passes through second pitching
Bearing is mounted in the bearing hole of the pitching right side plate, and one end of the anti-backrest of master is fixed on the second pitching gear
On, the other end of the anti-backrest of master is fixed on the pitching trunnion.
Further, the pitching rotary component further includes pitching spragging gear and pitching brake, the pitching braking
Gear and the pitching brake are mounted on the pitching left plate, and the pitching brake and the pitching spragging gear connect
It connects, the pitching spragging gear is engaged with the second pitching gear.
Further, the azimuth rotating platform component includes mounting seat, bearing, direction rotating shaft, orientation bottom plate, first
Azimuth gear, second orientation gear and orientation direct current generator；
For being mounted on body, one end of the direction rotating shaft is mounted on the mounting seat by the bearing
On the orientation bottom plate, the other end of the direction rotating shaft is connect with the mounting seat, the fixed peace of the first orientation gear
In the mounting seat, the orientation direct current generator is mounted on the orientation bottom plate, the second orientation gear installation
On the output shaft of the orientation direct current generator, the second orientation gear is engaged with the first orientation gear, the pitching
Left plate is fixedly connected on one end of the orientation bottom plate, and the pitching right side plate is fixedly connected on the another of the orientation bottom plate
End.
Further, the pitching left plate, the orientation bottom plate and the pitching right side plate combine to form U-shaped frame knot
Structure.
Further, the airborne antenna for satellite communication in motion further includes servo control division equipments, and the servo control division equipments include master
Control unit, driving unit and measurement sensor part, the main control unit and the driving unit are mounted on the orientation bottom plate,
The measurement sensor part, the main control unit and the driving unit are sequentially connected electrically, the driving unit and the stepping
Motor, the pitching direct current generator, the orientation direct current generator are electrically connected, and the measurement sensor part for acquiring in real time
The motion state data of measurand is simultaneously sent to the main control unit, the main control unit calculation processing motion state data,
And sending driving instruction to the driving unit, the driving unit controls the stepper motor according to driving instruction, described bows
Face upward direct current generator and orientation direct current generator running.
Further, the measurement sensor part includes that gyroscope, BD/GPS Anneta module, course posture instrument and beacon connect
Receipts machine, the gyroscope are used to acquire the angle data of measurand, and the BD/GPS Anneta module is for acquiring measurand
Position coordinate data, the course posture instrument is used to acquire the attitude data of measurand, and the beacon receiver is for adopting
Collect the satellite beacon signals of measurand.
The beneficial effect of airborne antenna for satellite communication in motion provided in an embodiment of the present invention is:
The azimuth rotating platform group can drive the pitching rotary component level to rotate, and the pitching rotary component can drive institute
Reflecting surface component pitch rotation is stated, the polarization modulation component can drive the feed component rotation, airborne antenna for satellite communication in motion knot
Structure is compact, light-weight, high reliablity, while being able to satisfy the layout requirements of forward cockpit.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of airborne antenna for satellite communication in motion provided in an embodiment of the present invention.
Fig. 2 is the dependency structure schematic diagram of reflecting surface component in Fig. 1.
Fig. 3 is the dependency structure schematic diagram of feed component in Fig. 1.
Fig. 4 is the dependency structure schematic diagram of polarization modulation component in Fig. 1.
Fig. 5 is the dependency structure schematic diagram of pitching rotary component and azimuth rotating platform component in Fig. 1.
Icon: the airborne antenna for satellite communication in motion of 1-；2- reflecting surface component；3- main reflector；The anti-backrest of 4- master；5- subreflector；
6- support tube；7- support rod；8- feed component；9- loudspeaker；10- coupler；11- receives resistance filter；12- polarization joint；13- bows
Face upward joint；14- hair resistance filter；15- low noise low-converter；16- first receives waveguide bend；17- second receives waveguide bend；
18- first emits waveguide bend；19- second emits waveguide bend；20- third emits waveguide bend；21- polarization modulation component；22- stepping
Motor；The polarization gear of 23- second；24- polarization shaft；25- pitching rotary component；26- pitching left plate；27- pitching right side plate；
28- the first pitching gear；29- the second pitching gear；30- pitching direct current generator；31- pitching trunnion；32- pitching spragging gear；
33- pitching brake；34- azimuth rotating platform component；35- mounting seat；The orientation 36- bottom plate；37- second orientation gear；The orientation 38-
Direct current generator；39- servo control division equipments；40- main control unit；41- driving unit.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put or those skilled in the art orientation or position that usually understand
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning or element are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Referring to Fig. 1, present embodiments providing a kind of airborne antenna for satellite communication in motion 1, airborne antenna for satellite communication in motion 1 includes reflecting surface
Component 2, feed component 8, polarization modulation component 21, pitching rotary component 25, azimuth rotating platform component 34 and servo control division equipments 39.
For being mounted on body, pitching rotary component 25 is mounted on azimuth rotating platform component 34 azimuth rotating platform component 34,
Azimuth rotating platform group can drive pitching rotary component 25 to horizontally rotate.Reflecting surface component 2 is mounted on pitching rotary component 25, pitching
Turntable Assemblies 25 can drive 2 pitch rotation of reflecting surface component, and polarization modulation component 21 and feed component 8 are mounted on reflecting surface component
On 2, polarization modulation component 21 can drive 8 rotation of feed component.Azimuth rotating platform component 34, pitching rotary component 25 and polarization modulation
Under the collective effect of component 21, so that antenna is completed orientation, pitching and polarization three axis rotation, realize the isolation of carrier movement posture and mesh
Mark the tracking of satellite.
Referring to Fig. 2, reflecting surface component 2 includes main reflector 3, main anti-backrest 4, subreflector 5, support tube 6 and support
Bar 7.Main reflector 3 is made of carbon fiber honeycomb core material, has the characteristics that light-weight, rigidity is good.The main anti-setting of backrest 4 exists
The back side of main reflector 3, the centre of main reflector 3 offer through-hole, and support tube 6 is fixed in main anti-backrest 4 and passes through logical
Hole, one end of support rod 7 are connected on support tube 6, and the other end of support rod 7 supports subreflector 5.7 quantity of support rod is four
Root, it is semicircular arc.
Referring to Fig. 3, feed component 8 includes loudspeaker 9, coupler 10, receives resistance filter 11, polarization joint 12, pitching pass
Section 13, hair resistance filter 14, low noise low-converter 15, first receive the reception waveguide bend 17, first of waveguide bend 16, second and emit
Waveguide bend 18, second emits waveguide bend 19 and third emits waveguide bend 20.
Loudspeaker 9 are arranged between subreflector 5 and support tube 6, and loudspeaker 9, coupler 10 receive resistance filter 11, polarization pass
The 12, first transmitting of section waveguide bend 18, pitching joint 13, second emit waveguide bend 19 and third transmitting waveguide bend 20 is sequentially connected.
Coupler 10, first receives waveguide bend 16, hair resistance filter 14, second receives waveguide bend 17 and low noise low-converter 15 successively
Connection.
Polarization joint 12 is used to be isolated the rotation around polaxis, and pitching joint 13 is used to that the rotation around pitch axis to be isolated
Turn.
Referring to Fig. 4, polarization modulation component 21 includes the polarization of stepper motor 22, first gear, the second polarization gear 23, pole
Change shaft 24, polarization bearing and bearing block.
Stepper motor 22 is fixed in main anti-backrest 4, and the first polarization gear is mounted on the output shaft of stepper motor 22, the
Two polarization gears 23 are engaged with the first polarization gear, and the one end for the shaft 24 that polarizes is fixedly connected with the second polarization gear 23, are polarized
The inner ring of the other end insertion polarization bearing of shaft 24, polarization bearing are mounted on bearing block, and bearing block is fixedly mounted on main anti-
In backrest 4, the middle part of polarization shaft 24 offers matching hole, and matching hole and coupler 10 cooperate, and drive stepper motor 22 can
8 rotation of feed component.That is, the lower end of the rotating part of feed component 8 is fixed in polarization shaft 24, feed component 8
Rotating part upper end by bearing support on the central axes at the top of support tube 6, form firm support construction, avoid
Feed component 8 generates displacement when body vibration, impact.
Referring to Fig. 5, pitching rotary component 25 include pitching left plate 26, pitching right side plate 27, the first pitching gear 28,
Second pitching gear 29, pitching direct current generator 30, pitching trunnion 31, the first pitch bearing, the second pitch bearing, pitching brake tooth
Wheel 32 and pitching brake 33.
Pitching direct current generator 30 is fixed on pitching left plate 26, and the first pitching gear 28 is mounted on pitching direct current generator 30
Output shaft on, the second pitching gear 29 is engaged with the first pitching gear 28, the second pitching gear 29 pass through the first pitch bearing
It is mounted in the bearing hole of pitching left plate 26, pitching trunnion 31 is mounted on the axis of pitching right side plate 27 by the second pitch bearing
In bearing bore.First pitch bearing and the second pitch bearing are homotype bugle contact ball bearing and back-to-back installation.
Two limit sensors are also equipped on pitching left plate 26, two limit sensors are respectively induced pitching lower limit
It while being the zero position switch of pitch angle with pitching upper limit.
One end of main anti-backrest 4 is fixed on the second pitching gear 29, and the other end of main anti-backrest 4 is fixed on pitching trunnion
On 31.
Pitching spragging gear 32 and pitching brake 33 are mounted on pitching left plate 26, pitching brake 33 and pitching system
Moving gear 32 connects, and pitching spragging gear 32 is engaged with the second pitching gear 29.Pitching direct current generator 30 drives the first pitching tooth
28 rotation of wheel, the first pitching gear 28 are engaged with the second pitching gear 29, to drive main anti-backrest 4 and entire reflecting surface group
Part 2 and feed component 8 do pitching movement within the scope of certain angle.
Azimuth rotating platform component 34 includes mounting seat 35, bearing, direction rotating shaft, orientation bottom plate 36, first orientation tooth
Wheel, second orientation gear 37 and orientation direct current generator 38.
For mounting seat 35 for being mounted on body, one end of direction rotating shaft is mounted on orientation bottom plate 36 by bearing
On, the other end of direction rotating shaft is fixedly connected with mounting seat 35, and first orientation gear is fixedly mounted in mounting seat 35, side
Position direct current generator 38 is mounted on orientation bottom plate 36, and second orientation gear 37 is mounted on the output shaft of orientation direct current generator 38,
Second orientation gear 37 is engaged with first orientation gear.Orientation direct current generator 38 drives second orientation gear 37 to rotate, and passes through tooth
The engagement of wheel set drives orientation bottom plate 36 to do continuously rotary motion around the axis of mounting seat 35.
Pitching left plate 26 is fixedly connected on one end of orientation bottom plate 36, and pitching right side plate 27 is fixedly connected on orientation bottom plate
36 other end.Pitching left plate 26, orientation bottom plate 36 and the combination of pitching right side plate 27 form U-shaped frame structure.
Azimuth rotating platform component 34 further includes the collector ring being mounted on direction rotating shaft and orientation waveguide joint, for the side of isolation
The rotary motion of position shaft.Collector ring is used for transmission power supply and monitoring signal；Orientation waveguide joint is coaxial waveguide all the way all the way
Type, be respectively used to transmission downlink intermediate-freuqncy signal and uplink high-frequency signal.
The low noise low-converter 15 of feed component 8 is connect by coaxial radio frequency cable and the coaxial radio-frequency in orientation waveguide joint
Mouth connection, forms downlink reception channel.The third transmitting waveguide bend 20 of feed component 8 and the waveguide mouth in orientation waveguide joint connect
It connects, forms uplink transmission channel.
Servo control division equipments 39 include main control unit 40, driving unit 41 and measurement sensor part, main control unit 40 and drive
Moving cell 41 is mounted on orientation bottom plate 36, and measurement sensor part, main control unit 40 and driving unit 41 are sequentially connected electrically, driving
Unit 41 is electrically connected with stepper motor 22, pitching direct current generator 30, orientation direct current generator 38, and measurement sensor part is for real
When acquisition measurand motion state data and be sent to main control unit 40,40 calculation processing motion state number of main control unit
According to and send driving instruction to driving unit 41, driving unit 41 controls stepper motor 22, pitching direct current according to driving instruction
Machine 30 and orientation direct current generator 38 operate.
Measurement sensor part includes gyroscope, BD/GPS Anneta module, course posture instrument and beacon receiver, and gyroscope is used
In the angle data of acquisition measurand, BD/GPS Anneta module is used to acquire the position coordinate data of measurand, course appearance
State instrument is used to acquire the attitude data of measurand, and beacon receiver is used to acquire the satellite beacon signals of measurand.
The beneficial effect of airborne antenna for satellite communication in motion 1 provided in this embodiment is:
Stepper motor 22, pitching direct current generator 30 and orientation direct current generator 38 are controlled by driving unit 41 to operate, and make day
Line completes orientation, pitching and polarization three axis rotation, realizes the tracking of carrier movement posture isolation and target satellite.Airborne communication in moving
Antenna 1 is compact-sized, light-weight, high reliablity, while being able to satisfy the layout requirements of forward cockpit.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of airborne antenna for satellite communication in motion, which is characterized in that the airborne antenna for satellite communication in motion includes reflecting surface component (2), feed
Component (8), polarization modulation component (21), pitching rotary component (25) and azimuth rotating platform component (34)；
The azimuth rotating platform component (34) is mounted on the orientation and turns for being mounted on body, the pitching rotary component (25)
On platform component (34), the azimuth rotating platform group can drive the pitching rotary component (25) to horizontally rotate；The reflecting surface component
(2) it is mounted on the pitching rotary component (25), the pitching rotary component (25) can drive the reflecting surface component (2) to bow
Rotation is faced upward, the polarization modulation component (21) and the feed component (8) are mounted on the reflecting surface component (2), the pole
Changing adjustment component (21) can drive the feed component (8) to rotate.
2. airborne antenna for satellite communication in motion according to claim 1, which is characterized in that the reflecting surface component (2) includes main anti-
Emitter (3), main anti-backrest (4), subreflector (5), support tube (6) and support rod (7), the anti-backrest of master (4) are arranged in institute
The back side of main reflector (3) is stated, the centre of the main reflector (3) offers through-hole, and the support tube (6) is fixed on the master
On anti-backrest (4) and the through-hole is passed through, one end of the support rod (7) is connected on the support tube (6), the support
The other end of bar (7) supports the subreflector (5).
3. airborne antenna for satellite communication in motion according to claim 2, which is characterized in that the feed component (8) includes loudspeaker
(9), coupler (10), receipts resistance filter (11), polarization joint (12), pitching joint (13), hair resistance filter (14), low noise
Low-converter (15), first receive waveguide bend (16), the second reception waveguide bend (17), the first transmitting waveguide bend (18), the second hair
Penetrate waveguide bend (19) and third transmitting waveguide bend (20)；
The loudspeaker (9) are arranged between the subreflector (5) and the support tube (6), the loudspeaker (9), the coupling
Device (10), receipts resistance filter (11), the polarization joint (12), first transmitting waveguide bend (18), the pitching are closed
Section (13), second transmitting waveguide bend (19) and third transmitting waveguide bend (20) are sequentially connected；The coupler (10),
Described first receives waveguide bend (16), hair resistance filter (14), second reception waveguide bend (17) and the low noise
Low-converter (15) is sequentially connected.
4. airborne antenna for satellite communication in motion according to claim 3, which is characterized in that the polarization modulation component (21) includes step
Into motor (22), the first polarization gear, the second polarization gear (23), polarization shaft (24), polarization bearing and bearing block；
The stepper motor (22) is fixed in the anti-backrest of the master (4), and the first polarization gear is mounted on the stepping electricity
On the output shaft of machine (22), second polarization gear (23) is engaged with the first polarization gear, the polarization shaft (24)
One end be fixedly connected with second polarization gear (23), the other end of polarization shaft (24) is inserted into the polarization bearing
Inner ring, the polarization bearing is mounted on the bearing block, and the bearing block is fixedly mounted in the anti-backrest of the master (4),
Matching hole is offered in the middle part of the polarization shaft (24), the matching hole and the coupler (10) cooperate, and make the stepping
Motor (22) can drive feed component (8) rotation.
5. airborne antenna for satellite communication in motion according to claim 4, which is characterized in that the pitching rotary component (25) includes bowing
Face upward left plate (26), pitching right side plate (27), the first pitching gear (28), the second pitching gear (29), pitching direct current generator
(30), pitching trunnion (31), the first pitch bearing and the second pitch bearing；
The pitching direct current generator (30) is fixed on the pitching left plate (26), and the first pitching gear (28) is mounted on
On the output shaft of the pitching direct current generator (30), the second pitching gear (29) is nibbled with the first pitching gear (28)
It closes, the second pitching gear (29) is mounted on the bearing hole of the pitching left plate (26) by first pitch bearing
Interior, the pitching trunnion (31) is mounted in the bearing hole of the pitching right side plate (27) by second pitch bearing, institute
The one end for stating main anti-backrest (4) is fixed on the second pitching gear (29), and the other end of the anti-backrest of master (4) is fixed on
On the pitching trunnion (31).
6. airborne antenna for satellite communication in motion according to claim 5, which is characterized in that the pitching rotary component (25) further includes
Pitching spragging gear (32) and pitching brake (33), the pitching spragging gear (32) and the pitching brake (33) installation
On the pitching left plate (26), the pitching brake (33) connect with the pitching spragging gear (32), the pitching
Spragging gear (32) is engaged with the second pitching gear (29).
7. airborne antenna for satellite communication in motion according to claim 5, which is characterized in that the azimuth rotating platform component (34) includes peace
Fill pedestal (35), bearing, direction rotating shaft, orientation bottom plate (36), first orientation gear, second orientation gear (37) and orientation
Direct current generator (38)；
For being mounted on body, one end of the direction rotating shaft is mounted on the mounting seat (35) by the bearing
On the orientation bottom plate (36), the other end of the direction rotating shaft is connect with the mounting seat (35), the first orientation tooth
Wheel is fixedly mounted on the mounting seat (35), and the orientation direct current generator (38) is mounted on the orientation bottom plate (36),
The second orientation gear (37) is mounted on the output shaft of the orientation direct current generator (38), the second orientation gear (37)
It is engaged with the first orientation gear, the pitching left plate (26) is fixedly connected on one end of the orientation bottom plate (36), institute
State the other end that pitching right side plate (27) is fixedly connected on the orientation bottom plate (36).
8. airborne antenna for satellite communication in motion according to claim 7, which is characterized in that the pitching left plate (26), the side
Position bottom plate (36) and the pitching right side plate (27) combination form U-shaped frame structure.
9. airborne antenna for satellite communication in motion according to claim 7, which is characterized in that the airborne antenna for satellite communication in motion further includes watching
It takes control assembly (39), the servo control division equipments (39) include main control unit (40), driving unit (41) and measurement sensor
Part, the main control unit (40) and the driving unit (41) are mounted on the orientation bottom plate (36), the measurement sensor
Part, the main control unit (40) and the driving unit (41) are sequentially connected electrically, the driving unit (41) and stepping electricity
Machine (22), the pitching direct current generator (30), the orientation direct current generator (38) are electrically connected, and the measurement sensor part is used
It in the motion state data of acquisition measurand in real time and is sent to the main control unit (40), main control unit (40) meter
It calculates processing motion state data and sends driving instruction and give the driving unit (41), the driving unit (41) is according to driving
Instruction controls the stepper motor (22), the pitching direct current generator (30) and the orientation direct current generator (38) running.
10. airborne antenna for satellite communication in motion according to claim 9, which is characterized in that the measurement sensor part includes gyro
Instrument, BD/GPS Anneta module, course posture instrument and beacon receiver, the gyroscope are used to acquire the shaft angle number of measurand
According to the BD/GPS Anneta module is used to acquire the position coordinate data of measurand, and the course posture instrument is for acquiring quilt
The attitude data of object is surveyed, the beacon receiver is used to acquire the satellite beacon signals of measurand.
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| CN109273853A (en) * | 2018-09-28 | 2019-01-25 | 中国兵器装备集团自动化研究所 | Compensation device and method are reinforced in parabola antenna polaxis gear drive |
| CN111969292A (en) * | 2020-07-31 | 2020-11-20 | 西安航天精密机电研究所 | Compact radar antenna revolving stage |
| CN113985151A (en) * | 2021-10-26 | 2022-01-28 | 九江精密测试技术研究所 | Multifunctional heavy-load three-axis antenna test turntable |
| CN114361809A (en) * | 2021-12-31 | 2022-04-15 | 苏州阿清智能科技有限公司 | Ku and ka dual-frequency receiving and transmitting assembly fast switching device |
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| CN114361809A (en) * | 2021-12-31 | 2022-04-15 | 苏州阿清智能科技有限公司 | Ku and ka dual-frequency receiving and transmitting assembly fast switching device |
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| CN109411880B (en) | 2021-01-08 |
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