CN105281017A - Shipborne satellite communication antenna - Google Patents
Shipborne satellite communication antenna Download PDFInfo
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- CN105281017A CN105281017A CN201410323269.3A CN201410323269A CN105281017A CN 105281017 A CN105281017 A CN 105281017A CN 201410323269 A CN201410323269 A CN 201410323269A CN 105281017 A CN105281017 A CN 105281017A
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- 238000004891 communication Methods 0.000 title claims abstract description 44
- 230000010287 polarization Effects 0.000 claims abstract description 65
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 208000037873 arthrodesis Diseases 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
Abstract
The invention discloses a shipborne satellite communication antenna. The antenna comprises a radome portion, an orientation transmission portion, a pitching transmission portion and a polarization transmission portion. The radome portion and the orientation transmission portion are connected and fixed through a pedestal. The orientation transmission portion and the pitching transmission portion are connected through an orientation rotation platform. The pitching transmission portion and the polarization transmission portion are connected and fixed through an antenna surface supporting plate and a rectangular bend waveguide 2. The structure of the radome portion is designed reasonably, sealing performance is good, an internal system of the antenna can be effectively protected and the antenna is suitable for an offshore poor working condition. The structures of the orientation transmission portion, the pitching transmission portion and the polarization transmission portion of the shipborne satellite communication antenna are designed compactly, operation is stable and reliable, the three portions can be rotated independently and can be rotated simultaneously, real-time tracking and automatic satellite aiming functions can be well realized and a smooth space communication link between a boat and a satellite is guaranteed.
Description
Technical field
The present invention relates to a kind of maritime satellite communication antenna equipment, belong to technical field of satellite communication.
Background technology
Marine environment is extremely complicated, on the earth, the surface of 2/3rds is all covered by seawater, along with Modern Mobile Communications Systems is fast-developing, operation on the sea, seaborne crewman and national marine security guard, have active demand to the national topical news of understanding and market trend information, this makes overocean communications particularly important.Satellite communication system solves hull well under attitude and course continually varying situation, satellite antenna wave beam points to the communication satellite outside the distance earth 36000 kilometers all the time, can receive and send the various data messages such as file, voice, video, image, fax incessantly in real time, achieve marine communication link, be that the present satellites communications industry develops swift and violent application, the needs of multimedia communication under various military-civil emergency communication and mobile condition can be met.
Boat-carrying satellite communication antena is the important component part of satellite communication system, is mainly used in coastal waters and oceangoing ship, follows the tracks of satelloid with under sea wave bumping undulating state, completes reception and the transmission of signal of communication.But relatively marine severe operational environment, there is volume in existing antenna for satellite communication in motion, weight is large, and moistureproof, anticorrosion, fume-proof sealing property is good not, and flexible, the not high defect of stability of drive mechanism, make the satellite communication antena lost of life.
Summary of the invention
The object of the invention is the satellite communication antena disclosing a kind of boat-carrying applied environment, when the course of hull and attitude move change, satellite communication antena all the time can synchronous satellite selected by auto-alignment, ensure that the space communication link between hull and satellite is unimpeded, realize continuous print satellite communication function.
For reaching above object, the technical scheme that the present invention takes is: boat-carrying satellite communication antena, and described boat-carrying satellite communication antena comprises: radome part, Amimuth Transmission part, pitching running part and polarization running part.Radome part and Amimuth Transmission part are connected and fixed by base, and Amimuth Transmission part is connected by orientation rotation platform with pitching running part, and pitching running part is connected and fixed by antenna surface supporting plate and rectangle waveguide bend two with polarization running part.
Described radome part, comprising: lower cover flange part, antenna lower cover, screw built-in fitting, access panel lid, antenna upper cover and soft rubber pad;
In antenna upper cover, side flanging place is bonded with soft rubber pad; Edge, described antenna lower cover outer ring is provided with the boss blocking soft rubber pad, and the embedded screw built-in fitting in edge, antenna lower cover outer ring; Described center, antenna bottom of the next cover and lower cover flange part are connected by screw, and antenna lower cover side is provided with maintenance window, is connected by screw with access panel lid; Be bonded with sealing gasket between described access panel lid and the maintenance window of antenna lower cover, antenna upper cover and antenna lower cover are connected by screw;
Described Amimuth Transmission part, comprising: base, slip ring bearing, Coaxial rotary joint, crossed roller bearing, electric rotating slip ring, coaxial knuckle guard, knuckle guard center draw-in groove, knuckle guard edge draw-in groove, orientation rotation platform, orientation rotation platform sinistral arm, orientation rotation platform dextral arm, bearing inner ring pressing plate, azimuth-drive motor, motor keyset, orientation pinion, outer race pressing plate, Azimuth main drive gear, Inertial Measurement Unit, Radio Beacon, drived control box, orientation Hall switch;
Inertial Measurement Unit is mounted on base side middle part; Azimuth main drive gear upper surface is bonded with magnet, and be connected by screw fixing with base upper surface, simultaneously, Azimuth main drive gear and orientation rotation platform are connected by crossed roller bearing and realize rotating, bearing inner ring pressing plate and Azimuth main drive gear are connected by screw fixing, and outer race pressing plate and orientation rotation platform are connected by screw fixing;
Orientation pinion is sheathed on azimuth-drive motor axle head, and radial direction key constraint is fixed, and axially fixing with holding screw constraint, azimuth-drive motor and motor keyset are connected and fixed, and motor keyset is provided with seam, and are connected by screw fixing with orientation rotation platform;
Slip ring bearing is connected by holding screw with the lateral wall of electric rotating slip ring inner ring, and is placed in Azimuth main drive gear inner radial and is connected by screw fixing, and there is a fixing card upper surface, electric rotating slip ring outer ring; Described Coaxial rotary joint comprises holder and rotor, and entirety is placed in the inner radial of electric rotating slip ring, and holder and slip ring bearing are connected by screw, and rotor has the cannelure of a parallel shaft; Described coaxial knuckle guard edge and middle part are provided with draw-in groove, knuckle guard edge draw-in groove coordinates spacing with the card of upper end, electric rotating slip ring outer ring, knuckle guard center draw-in groove coordinates spacing with the cannelure of Coaxial rotary joint rotor, is connected by screw fixing with orientation rotation platform simultaneously;
Orientation rotation platform sinistral arm and Radio Beacon are connected by screw fixing, be connected and fixed with orientation Hall switch on the right side of orientation rotation platform front end face, orientation rotation platform rear end face is fixed with drived control box, described orientation Hall switch is right against the magnet of Azimuth main drive gear upper surface, like this, azimuth-drive motor drives orientation pinion rotation, and orientation pinion revolves round the sun around Azimuth main drive gear, when sensing the magnet on Azimuth main drive gear when orientation Hall switch, initially seek zero and complete;
On the basis of technique scheme, described orientation pinion adopts small―gap suture to coordinate with the assembly relation of motor keyset seam, and orientation rotation platform adopts small―gap suture to coordinate with the assembly relation of motor keyset seam.
Described pitching running part, comprising: pitching pinion, pitching gear wheel, pitching motor, pitching Hall switch, pitching limited post, ball bearing one, pitching main shaft, end ring one, antenna right support, antenna left socle, bearing pedestal, ball bearing two, end ring two, rectangle waveguide bend, waveguide card, pitching driven shaft, power amplifier, single channel rotary joint;
Pitching motor and orientation rotation platform dextral arm are connected by screw fixing, and pitching motor axle head and pitching pinion are assembled, and radial direction key constraint is fixed, axially fixing with holding screw constraint; Pitching gear wheel surface is bonded with magnet, with pitching pinion by flank engagement, realizes pitching transmission; Pitching Hall switch just to the magnet on pitching gear wheel surface, with orientation rotation platform dextral arm adopt be threaded fixing.
Pitching gear wheel surface is provided with mounting hole, and the center line of mounting hole is coaxial with the rotation of pitching gear wheel, and the angular range of mounting hole and rotation is set to 0--110 °, and the groove width of mounting hole can hold pitching limited post outside diameter; Described pitching limited post is placed in the mounting hole of pitching gear wheel, and is threaded connection fixing with orientation rotation platform dextral arm.
Pitching main shaft and orientation rotation platform dextral arm are connected by screw fixing, be connected by ball bearing one with pitching gear wheel, end ring one is sheathed on pitching main shaft, constraint ball bearing one axial motion, pitching gear wheel center is provided with seam and antenna right support seam, and to adopt matched in clearance to be connected by screw fixing again.
Pitching driven shaft and orientation rotation platform sinistral arm are connected by screw; Bearing pedestal center is provided with seam and antenna left socle seam adopts matched in clearance, is connected by screw fixing, and bearing pedestal is connected by ball bearing two with pitching driven shaft, and end ring two is sheathed on pitching driven shaft, constraint ball bearing two axial motion; Described single channel rotary joint is placed in pitching driven shaft inner radial, and is connected and fixed with rectangle waveguide bend, and rectangle waveguide bend and power amplifier are connected by screw, and power amplifier is fixed on orientation rotation platform sinistral arm; Described waveguide card has a draw-in groove, draw-in groove and rectangle waveguide bend contour structures fiting constraint, is connected by screw fixing with pitching driven shaft simultaneously.
On the basis of technique scheme, the pitching main shaft that described orientation rotation platform dextral arm is fixed and the pitching driven shaft that orientation rotation platform sinistral arm is fixed adopt coaxial configuration.
Described polarization running part, comprising: pot type antenna surface, antenna surface mount pad, antenna surface supporting plate, polarization gear wheel, feed bar, filter, waveguide adaptor, waveguide duplexer, single channel rotary joint, circular waveguide rotary joint, articulation end, arthrodesis end, domain switching plate, polarization motor, polarization pinion, polarization Hall switch, subreflector, gps antenna, 180 ° of rectangle waveguide bends, tuner LNB, rectangle waveguide bends two.
Pot type antenna surface center is provided with circular hole, and outside is connected with antenna surface mount pad seam, and is fixed by screw; Antenna surface mount pad center is provided with stepped hole, and interior circular hole adopts small―gap suture to coordinate with feed bar flange seat cylindrical, and screw is connected and fixed, and meanwhile, antenna surface mount pad and antenna surface supporting plate are connected by screw fixing; Antenna surface supporting plate surface is bonded with magnet, is connected by screw with polarization gear wheel; The cylindrical that polarization gear wheel center is provided with circular hole and antenna surface mount pad center stepped hole adopts small―gap suture to be connected.
Be connected with subreflector on the right side of feed bar, subreflector is connected by screw fixing again with gps antenna, and the flange seat center on the left of feed bar is provided with seam and is connected with waveguide adaptor seam, and is fixed by screw; Described circular waveguide rotary joint is made up of articulation end and arthrodesis end two parts, arthrodesis end is provided with seam and is connected with seam on the left of waveguide adaptor and is fixed by screw, the cylindrical of articulation end adopts small―gap suture to coordinate with domain switching plate seam, and be connected by screw fixing, simultaneously, end face and the waveguide duplexer of articulation end are connected by screw, flange port and the filter of waveguide duplexer middle part are connected by screw, and waveguide duplexer other end flange port is connected by screw fixing with single channel rotary joint again.
Domain switching plate upper surface is fixed with polarization motor and polarization Hall switch, and polarization motor shaft end is fixed with polarization pinion, and axis holding screw retrains fixing, and polarization Hall switch is right against the magnet on antenna surface supporting plate;
Filter and 180 ° of rectangle waveguide bends are connected by screw fixing, and 180 ° of rectangle waveguide bends are connected by screw fixing with tuner LNB again; Single channel rotary joint and rectangle waveguide bend two are connected and fixed by screw.
On the basis of technique scheme, described domain switching plate and polarization motor assembly relation adopt small―gap suture to coordinate.
The invention has the beneficial effects as follows: overcome the deficiencies in the prior art, disclose a kind of boat-carrying satellite communication antena mainly for maritime affairs motion.First, the upper and lower cover structure of this boat-carrying satellite communication antena is reasonable, and good airproof performance, can protect inner antenna system effectively, is applicable to marine severe operational environment; Secondly, this boat-carrying satellite communication antena Amimuth Transmission part, pitching running part, polarization running part structural design are compact, stable and reliable operation, can independently rotate, also can rotate simultaneously, real-time tracking can be realized very well, automatically to star function, ensure that the space communication link between hull and satellite is unimpeded.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is radome part-structure schematic diagram;
Fig. 3 is the I portion enlarged drawing of Fig. 2;
Fig. 4 is Amimuth Transmission part-structure schematic diagram;
Fig. 5 is Fig. 4 partial top schematic diagram;
Fig. 6 is pitching running part schematic top plan view;
Fig. 7 is the A-A cutaway view of Fig. 6;
The B-B cutaway view of Fig. 8 bitmap 6;
Fig. 9 is polarization running part structural representation;
Figure 10 is the partial enlarged drawing of I part in Fig. 9;
Figure 11 is the schematic side view of Fig. 9.
In figure, 1-radome part, 2-Amimuth Transmission part, 3-pitching running part, 4-polarizes running part;
11-lower cover flange part; 12-antenna lower cover, 121-screw built-in fitting; 13-access panel lid; 14-antenna upper cover, 141-soft rubber pad;
201-base; 202-slip ring bearing; 203-Coaxial rotary joint; 204-crossed roller bearing; 205-electric rotating slip ring; The coaxial knuckle guard of 206-, 2061-knuckle guard center draw-in groove, 2062-knuckle guard edge draw-in groove; 207-bearing inner ring pressing plate; 208-orientation rotation platform, 2081-orientation rotation platform sinistral arm, 2082-orientation rotation platform dextral arm; 209-azimuth-drive motor; 210-motor keyset; 211-orientation pinion; 212-outer race pressing plate; 213-Azimuth main drive gear; 214-Inertial Measurement Unit; 215-Radio Beacon; 216-drived control box; 217-orientation Hall switch;
301-pitching pinion; 302-pitching gear wheel; 303-pitching motor; 304-pitching Hall switch; 305-pitching limited post; 306-ball bearing one; 307-pitching main shaft; 308-end ring one; 309-antenna right support; 310-antenna left socle; 311-bearing pedestal; 312-ball bearing two; 313-end ring two; 314-rectangle waveguide bend; 315-waveguide card; 316-pitching driven shaft; 317-power amplifier; 318-single channel rotary joint;
401-pot type antenna surface; 402-antenna surface mount pad; 403-antenna surface supporting plate; 404-polarizes gear wheel; 405-feed bar; 406-filter; 407-waveguide adaptor; 408-waveguide duplexer; 409-single channel rotary joint; 410-circular waveguide rotary joint, 4101-articulation end, 4102-arthrodesis end; 411-domain switching plate; 412-polarizes motor; 413-polarizes pinion; 414-polarizes Hall switch; 415-subreflector; 416-GPS antenna; 417-180 ° of rectangle waveguide bend; 418-tuner LNB; 419-rectangle waveguide bend two.
Embodiment
Boat-carrying satellite communication antena will realize reception and the sending function of overocean communications signal, and first, radome itself should have fine wave, and can stand outside adverse circumstances and shield to internal system; Secondly, need antenna bearingt 360 ° to rotate infinite place, pitching 0-110 ° rotation, polarize ± 90 ° of rotations, and ensure that carrier is under attitude and course situation of change like this, selected communication satellite aimed at all the time by antenna, realizes satellite communication function.
Below in conjunction with specific embodiment and accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, boat-carrying satellite communication antena, comprising: radome part 1, Amimuth Transmission part 2, pitching running part 3 and polarization running part 4.Described radome part 1 is connected and fixed by base 201 with Amimuth Transmission part 2; Amimuth Transmission part 2 is connected by orientation rotation platform 208 with pitching running part 3, and pitching running part 3 is connected and fixed by antenna surface supporting plate 403 and rectangle waveguide bend 2 419 with polarization running part 4.
As shown in Figure 2 and Figure 3, described radome part 1, comprises: lower cover flange part 11, antenna lower cover 12, screw built-in fitting 121, access panel lid 13, antenna upper cover 14 and soft rubber pad 141.
Antenna upper cover 14 selects the honeycomb interlayer glass fiber material with good wave transparent characteristic to make, and flange place, antenna upper cover 14 outer ring is bonded with soft rubber pad 141; Edge, described antenna lower cover 12 outer ring is provided with the boss blocking soft rubber pad 141, and the embedded screw built-in fitting 121 in edge, antenna lower cover 12 outer ring, antenna lower cover 12 bottom centre position and lower cover flange part 11 are connected by screw, antenna lower cover 12 side is provided with maintenance window, is connected by screw with access panel lid 13; Sealing gasket is bonded with between described access panel lid 13 and the maintenance window of antenna lower cover 12.Like this, antenna lower cover 12 and access panel lid 13 play fine waterproof action, and antenna upper cover 12 is connected with antenna lower cover 11 and plays fine waterproof sealing effect.
As Fig. 4, shown in Fig. 5, described Amimuth Transmission part, comprise: base 201, slip ring bearing 202, Coaxial rotary joint 203, crossed roller bearing 204, electric rotating slip ring 205, coaxial knuckle guard 206, knuckle guard center draw-in groove 2061, knuckle guard edge draw-in groove 2062, bearing inner ring pressing plate 207, orientation rotation platform 208, orientation rotation platform sinistral arm 2081, orientation rotation platform dextral arm 2082, azimuth-drive motor 209, motor keyset 210, orientation pinion 211, outer race pressing plate 212, Azimuth main drive gear 213, Inertial Measurement Unit 214, Radio Beacon 215, drived control box 216, orientation Hall switch 217.
Inertial Measurement Unit 214 is mounted on middle part, base 201 side; Azimuth main drive gear 213 upper surface is bonded with magnet, and be connected by screw fixing with base 201 upper surface, simultaneously, Azimuth main drive gear 213 and orientation rotation platform 208 are connected by crossed roller bearing 204 and realize rotating, bearing inner ring pressing plate 207 and Azimuth main drive gear 213 are connected by screw fixing, outer race pressing plate 212 and orientation rotation platform 208 are connected by screw fixing, and such orientation rotation platform 208 is around base 201 axis uniform rotation.
Orientation pinion 211 is sheathed on azimuth-drive motor 209 axle head, radial direction key constraint is fixed, axially fixing with holding screw constraint, azimuth-drive motor 209 and motor keyset 210 are connected and fixed, motor keyset 210 is provided with seam, and be connected by screw fixing with orientation rotation platform 208, be conducive to azimuth-drive motor 209 dismounting like this and safeguard.
Slip ring bearing 202 is connected by holding screw with the lateral wall of electric rotating slip ring 205 inner ring, and is placed in Azimuth main drive gear 213 inner radial and is connected by screw fixing, and there is a fixing card upper surface, electric rotating slip ring 205 outer ring; Described Coaxial rotary joint 203 comprises holder and rotor, and entirety is placed in the inner radial of electric rotating slip ring 205, and holder and slip ring bearing 202 are connected by screw, and rotor has the cannelure of a parallel shaft; Described coaxial knuckle guard 206 edge and middle part are provided with draw-in groove, knuckle guard edge draw-in groove 2062 coordinates spacing with the card of upper end, electric rotating slip ring 205 outer ring, knuckle guard center draw-in groove 2061 coordinates spacing with the cannelure of Coaxial rotary joint 203 rotor, be connected by screw fixing with orientation rotation platform 208, such orientation rotation platform 208, electric rotating slip ring 205 outer ring and Coaxial rotary joint 203 rotor are around base 201 axis uniform rotation simultaneously.
Orientation rotation platform sinistral arm 2081 and Radio Beacon 215 are connected by screw fixing, be connected and fixed with orientation Hall switch 217 on the right side of orientation rotation platform front end face, orientation rotation platform rear end face is fixed with drived control box 216, described orientation Hall switch 217 is right against the magnet of Azimuth main drive gear 213 upper surface, like this, azimuth-drive motor 209 drives orientation pinion 211 to rotate, orientation pinion 211 revolves round the sun around Azimuth main drive gear 213, when orientation Hall switch 217 senses the magnet on Azimuth main drive gear 213, initially seek zero and complete.
The base 201 of Amimuth Transmission part 2 is connected by screw with the antenna lower cover 12 of radome part 1, and such Amimuth Transmission part 2 is connected and fixed with radome part 1.
On the basis of technique scheme, described orientation pinion 211 adopts small―gap suture to coordinate with the assembly relation of motor keyset 210 seam, and orientation rotation platform 208 adopts small―gap suture to coordinate with the assembly relation of motor keyset 210 seam.
As shown in Fig. 6, Fig. 7, Fig. 8, described pitching running part, comprising: pitching pinion 301, pitching gear wheel 302, pitching motor 303, pitching Hall switch 304, pitching limited post 305, ball bearing 1, pitching main shaft 307, end ring 1, antenna right support 309, antenna left socle 310, bearing pedestal 311, ball bearing 2 312, end ring 2 313, rectangle waveguide bend 314, waveguide card 315, pitching driven shaft 316, power amplifier 317, single channel rotary joint 318.
Pitching motor 303 and orientation rotation platform dextral arm 2082 are connected by screw fixing, and pitching motor 303 axle head and pitching pinion 301 are assembled, and radial direction key constraint is fixed, axially fixing with holding screw constraint; Pitching gear wheel 302 surface is bonded with magnet, with pitching pinion 301 by flank engagement, realizes pitching transmission; Pitching Hall switch 304 just to the magnet on pitching gear wheel 302 surface, with orientation rotation platform dextral arm 2082 adopt be threaded fixing.Pitching motor 303 drives pitching pinion 301 to rotate, pitching pinion 301 drives pitching gear wheel 302 to rotate again, the magnet on pitching gear wheel 302 surface is gradually near pitching Hall switch 304, when pitching Hall switch 304 senses the magnet on pitching gear wheel 302 surface, initially seek zero and complete, spacing as electricity, such pitching gear wheel 302 rotates backward starts working;
Pitching gear wheel 302 surface is provided with mounting hole, and the center line of mounting hole is coaxial with the rotation of pitching gear wheel 302, and the angular range of mounting hole and rotation is set to 0--110 °, and the groove width of mounting hole can hold pitching limited post 305 outside diameter; Described pitching limited post 305 is placed in the mounting hole of pitching gear wheel 302, and is threaded connection fixing with orientation rotation platform dextral arm 2082, and such pitching limited post rotational angle in mounting hole can only realize 0--110 ° of scope, as mechanical position limitation; The extreme position of mechanical position limitation is corresponding with the initial zero position of seeking of pitching Hall switch, and electricity is spacing when not working like this, and mechanical position limitation works.
Pitching main shaft 307 and orientation rotation platform dextral arm 2082 are connected by screw fixing, and be connected by ball bearing 1 with pitching gear wheel 302, end ring 1 is sheathed on pitching main shaft 307, constraint ball bearing 1 axial motion, pitching gear wheel 302 center is provided with seam and antenna right support 309 seam, and to adopt matched in clearance to be connected by screw fixing again.
Pitching driven shaft 316 and orientation rotation platform sinistral arm 2081 are connected by screw; Bearing pedestal 311 center is provided with seam and antenna left socle 310 seam adopts matched in clearance, be connected by screw fixing, bearing pedestal 311 is connected by ball bearing 2 312 with pitching driven shaft 316, and end ring 2 313 is sheathed on pitching driven shaft 316, constraint ball bearing 2 312 axial motion; Described single channel rotary joint 318 is placed in pitching driven shaft 316 inner radial, and is connected and fixed with rectangle waveguide bend 314, and rectangle waveguide bend 314 and power amplifier 317 are connected by screw, and power amplifier 317 is fixed on orientation rotation platform sinistral arm 2081; Described waveguide card 315 has a draw-in groove, draw-in groove and rectangle waveguide bend 314 contour structures fiting constraint, is connected by screw fixing with pitching driven shaft 316 simultaneously.
On the basis of technique scheme, the pitching main shaft 307 that described orientation rotation platform dextral arm 2082 is fixing and the pitching driven shaft 316 that orientation rotation platform sinistral arm 2081 is fixed adopt coaxial configuration.
As Fig. 9, Figure 10, shown in Figure 11, described polarization running part, comprise: pot type antenna surface 401, antenna surface mount pad 402, antenna surface supporting plate 403, polarization gear wheel 404, feed bar 405, filter 406, waveguide adaptor 407, waveguide duplexer 408, single channel rotary joint 409, circular waveguide rotary joint 410, articulation end 4101, arthrodesis end 4102, domain switching plate 411, polarization motor 412, polarization pinion 413, polarization Hall switch 414, subreflector 415, gps antenna 416, 180 ° of rectangle waveguide bends 417, tuner LNB418, rectangle waveguide bend 2 419.
Pot type antenna surface 401 center is provided with circular hole, and outside is connected with antenna surface mount pad 402 seam, and is fixed by screw; Antenna surface mount pad 402 center is provided with stepped hole, and interior circular hole adopts small―gap suture to coordinate with feed bar 405 flange seat cylindrical, and screw is connected and fixed, and meanwhile, antenna surface mount pad 402 and antenna surface supporting plate 403 are connected by screw fixing; Antenna surface supporting plate 403 surface is bonded with magnet, is connected by screw with polarization gear wheel 404; The cylindrical that polarization gear wheel 404 center is provided with circular hole and antenna surface mount pad 402 stepped hole adopts small―gap suture to be connected, and like this, polarization gear wheel 404 is connected with feed bar 405 is coaxial.
Be connected with subreflector 415 on the right side of feed bar 405, subreflector 415 is connected by screw fixing with gps antenna 416 again, and the flange seat center on the left of feed bar 405 is provided with seam and is connected with waveguide adaptor 407 seam, and is fixed by screw, described circular waveguide rotary joint 410 is made up of articulation end 4101 and arthrodesis end 4102 two parts, arthrodesis end 4102 is provided with seam and is connected with seam on the left of waveguide adaptor 407 and is fixed by screw, the cylindrical of articulation end 4101 adopts small―gap suture to coordinate with domain switching plate 411 seam, and be connected by screw fixing, simultaneously, end face and the waveguide duplexer 408 of articulation end 4101 are connected by screw, flange port and the filter 406 of waveguide duplexer 408 middle part are connected by screw, waveguide duplexer 408 other end flange port is connected by screw fixing with single channel rotary joint 409 again.Such feed bar 405, waveguide adaptor 407, circular waveguide rotary joint 410 are coaxially connected with domain switching plate 411.
Domain switching plate 411 upper surface is fixed with polarization motor 412 and polarization Hall switch 414, polarization motor 412 axle head is fixed with polarization pinion 413, axis holding screw retrains fixing, polarization Hall switch 415 is right against the magnet on antenna surface supporting plate 403, like this, polarization motor 412 drives polarization pinion 413 rotates, and polarization pinion 413 revolves round the sun around polarization gear wheel 404, when the Hall switch 415 that polarizes senses the magnet on antenna surface supporting plate 403, initially seek zero and complete;
Filter 406 and 180 ° of rectangle waveguide bends 417 are connected by screw fixing, and 180 ° of rectangle waveguide bends 417 are connected by screw fixing with tuner LNB418 again; Single channel rotary joint 409 and rectangle waveguide bend 2 419 are connected by screw fixing.
On the basis of technique scheme, described domain switching plate 411 and polarization motor 412 assembly relation adopt small―gap suture to coordinate.
The course of work of boat-carrying satellite communication antena disclosed by the invention is as follows:
The course that boat-carrying satellite communication antena utilizes Inertial Measurement Unit 214 and gps antenna 416 to provide, attitude and positional information are searched synchronous satellite and lock, calculate the azimuth of antenna coordinate system, the angle of pitch and polarizing angle by the control board of 216 li, drived control box again, thus reach and control motor and carry out driven antenna and rotate respective angles; Finally locate relevant position by orientation Hall switch 217, pitching Hall switch 304 and polarization Hall switch 414, in conjunction with Radio Beacon 215 feedack, Inertial Measurement Unit 214 course is revised, makes the synchronous satellite of satellite communication antena all the time selected by auto-alignment.
When satellite communication antena will realize azimuth rotation corresponding angle, the Amimuth Transmission part 2 of antenna is mainly utilized to realize.The azimuth-drive motor 209 that orientation rotation platform 208 is fixed above drives orientation pinion 211 to rotate, orientation pinion 211 and Azimuth main drive gear 213 engaged transmission, and revolves round the sun around Azimuth main drive gear 213, and Azimuth main drive gear 208 is fixed with base 201.Therefore orientation rotation platform 208 rotates around base gyroaxis, antenna realizes 360 °, orientation and unrestrictedly rotates.
When satellite communication antena will realize pitch rotation corresponding angle, the pitching running part 3 of antenna is mainly utilized to realize.The pitching motor 303 that orientation rotation platform dextral arm 2082 is fixed drives pitching pinion 301 to rotate, pitching pinion 301 and pitching gear wheel 302 engaged transmission, pitching gear wheel 302 has machine work spacing when rotating, and slewing area is at 0--110 °, therefore antenna realizes pitching 0--110 ° of swing.
When satellite communication antena will realize domain switching corresponding angle, the polarization running part 4 of antenna is mainly utilized to realize.Domain switching plate 411 is connected and fixed with waveguide duplexer 408, filter 406, tuner LNB418 and the motor 412 that polarizes, polarization motor 412 is used for drives polarization pinion 413 and rotates, polarization pinion 413 and polarization gear wheel 404 engaged transmission, and revolve round the sun around polarization gear wheel 404, polarization gear wheel 404 is connected and fixed with antenna surface supporting plate 403, therefore domain switching plate 411 turns round axis rotation around polarization gear wheel 404, antenna realizes polarization 360 ° and unrestrictedly rotates.
In a word, what embodiments of the invention were announced is its preferably execution mode, but is not limited to this.Those of ordinary skill in the art, very easily according to above-described embodiment, understands spirit of the present invention, and makes different amplifications and change, but only otherwise depart from spirit of the present invention, all within protection scope of the present invention.
Claims (4)
1. a boat-carrying satellite communication antena, comprise: radome part, Amimuth Transmission part, pitching running part and polarization running part, radome part (1) and Amimuth Transmission part (2) are connected and fixed by base (201), Amimuth Transmission part (2) is connected by orientation rotation platform (208) with pitching running part (3), pitching running part (3) is connected and fixed by antenna surface supporting plate (403) and rectangle waveguide bend two (419) with polarization running part (4), it is characterized in that:
Described radome part, comprising: lower cover flange part (11), antenna lower cover (12), screw built-in fitting (121), access panel lid (13), antenna upper cover (14) and soft rubber pad (141);
The interior side flanging place of antenna upper cover (14) is bonded with soft rubber pad (141); Described antenna lower cover (12) edge, outer ring is provided with the boss blocking soft rubber pad (141), and the embedded screw built-in fitting (121) in antenna lower cover (12) edge, outer ring, antenna lower cover (12) bottom centre position and lower cover flange part (11) are connected by screw, antenna lower cover (12) side is provided with maintenance window, be connected by screw with access panel lid (13), be bonded with sealing gasket between described access panel lid (13) and the maintenance window of antenna lower cover (12), antenna upper cover (14) and antenna lower cover (12) are connected by screw;
Described Amimuth Transmission part, comprise: base (201), slip ring bearing (202), Coaxial rotary joint (203), crossed roller bearing (204), electric rotating slip ring (205), coaxial knuckle guard (206), knuckle guard center draw-in groove (2061), knuckle guard edge draw-in groove (2062), bearing inner ring pressing plate (207), orientation rotation platform (208), orientation rotation platform sinistral arm (2081), orientation rotation platform dextral arm (2082), azimuth-drive motor (209), motor keyset (210), orientation pinion (211), outer race pressing plate (212), Azimuth main drive gear (213), Inertial Measurement Unit (214), Radio Beacon (215), drived control box (216), orientation Hall switch (217),
Inertial Measurement Unit (214) is mounted on base (201) middle part, side; Azimuth main drive gear (213) upper surface is bonded with magnet, and be connected by screw fixing with base (201) upper surface, simultaneously, Azimuth main drive gear (213) and orientation rotation platform (208) are connected by crossed roller bearing (204) and realize rotating, bearing inner ring pressing plate (207) and Azimuth main drive gear (213) are connected by screw fixing, and outer race pressing plate (212) and orientation rotation platform (208) are connected by screw fixing;
Orientation pinion (211) is sheathed on azimuth-drive motor (209) axle head, radial direction key constraint is fixed, axially fixing with holding screw constraint, azimuth-drive motor (209) and motor keyset (210) are connected and fixed, motor keyset (210) is provided with seam, is connected by screw fixing with orientation rotation platform (208);
Slip ring bearing (202) is connected by holding screw with the lateral wall of electric rotating slip ring (205) inner ring, and is placed in Azimuth main drive gear (213) inner radial and is connected by screw fixing, and there is a fixing card electric rotating slip ring (205) upper surface, outer ring; Described Coaxial rotary joint (203) comprises holder and rotor, and entirety is placed in the inner radial of electric rotating slip ring (205), and holder and slip ring bearing (202) are connected by screw, and rotor has the cannelure of a parallel shaft; Described coaxial knuckle guard (206) edge and middle part are provided with draw-in groove, knuckle guard edge draw-in groove (2062) coordinates spacing with the card of electric rotating slip ring (205) upper end, outer ring, knuckle guard center draw-in groove (2061) coordinates spacing with the cannelure of Coaxial rotary joint (203) rotor, is connected by screw fixing with orientation rotation platform (208) simultaneously;
Orientation rotation platform sinistral arm (2081) and Radio Beacon (215) are connected by screw fixing, be connected and fixed with orientation Hall switch (217) on the right side of orientation rotation platform front end face, orientation rotation platform rear end face is fixed with drived control box (216), and described orientation Hall switch (217) is right against the magnet of Azimuth main drive gear (213) upper surface;
Described pitching running part, comprise: pitching pinion (301), pitching gear wheel (302), pitching motor (303), pitching Hall switch (304), pitching limited post (305), ball bearing one (306), pitching main shaft (307), end ring one (308), antenna right support (309), antenna left socle (310), bearing pedestal (311), ball bearing two (312), end ring two (313), rectangle waveguide bend (314), waveguide card (315), pitching driven shaft (316), power amplifier (317), single channel rotary joint (318),
Pitching motor (303) and orientation rotation platform dextral arm (2082) are connected by screw fixing, and pitching motor (303) axle head and pitching pinion (301) are assembled, and radial direction key constraint is fixed, axially fixing with holding screw constraint; Pitching gear wheel (302) surface is bonded with magnet, passes through flank engagement with pitching pinion (301); Pitching Hall switch (304) just to pitching gear wheel (302) surface magnet, with orientation rotation platform dextral arm (2082) adopt be threaded fixing;
Pitching gear wheel (302) surface is provided with mounting hole, the center line of mounting hole is coaxial with the rotation of pitching gear wheel (302), and the angular range of mounting hole and rotation is set to 0--110 °, the groove width of mounting hole can hold pitching limited post (305) outside diameter; Described pitching limited post (305) is placed in the mounting hole of pitching gear wheel (302), and is threaded connection fixing with orientation rotation platform dextral arm (2082);
Pitching main shaft (307) and orientation rotation platform dextral arm (2082) are connected by screw fixing, and be connected by ball bearing one (306) with pitching gear wheel (302), end ring one (308) is sheathed on pitching main shaft (307), constraint ball bearing one (306) axial motion, pitching gear wheel (302) center is provided with seam and antenna right support (309) seam, and to adopt matched in clearance to be connected by screw fixing again;
Pitching driven shaft (316) and orientation rotation platform sinistral arm (2081) are connected by screw; Bearing pedestal (311) center is provided with seam and antenna left socle (310) seam adopts matched in clearance, be connected by screw fixing, bearing pedestal (311) is connected by ball bearing two (312) with pitching driven shaft (316), end ring two (313) is sheathed on pitching driven shaft (316), constraint ball bearing two (312) axial motion; Described single channel rotary joint (318) is placed in pitching driven shaft (316) inner radial, and be connected and fixed with rectangle waveguide bend (314), rectangle waveguide bend (314) and power amplifier (317) are connected by screw, and power amplifier (317) is fixed on orientation rotation platform sinistral arm (2081); Described waveguide card (315) has a draw-in groove, draw-in groove and rectangle waveguide bend (314) contour structures fiting constraint, is connected by screw fixing with pitching driven shaft (316) simultaneously;
Described polarization running part, comprise: pot type antenna surface (401), antenna surface mount pad (402), antenna surface supporting plate (403), polarization gear wheel (404), feed bar (405), filter (406), waveguide adaptor (407), waveguide duplexer (408), single channel rotary joint (409), circular waveguide rotary joint (410), articulation end (4101), arthrodesis end (4102), domain switching plate (411), polarization motor (412), polarization pinion (413), polarization Hall switch (414), subreflector (415), gps antenna (416), 180 ° of rectangle waveguide bends (417), tuner LNB(418), rectangle waveguide bend two (419),
Pot type antenna surface (401) center is provided with circular hole, and outside is connected with antenna surface mount pad (402) seam, and is fixed by screw; Antenna surface mount pad (402) center is provided with stepped hole, and interior circular hole adopts small―gap suture to coordinate with feed bar (405) flange seat cylindrical, and screw is connected and fixed, and meanwhile, antenna surface mount pad (402) and antenna surface supporting plate (403) are connected by screw fixing; Antenna surface supporting plate (403) surface is bonded with magnet, is connected by screw with polarization gear wheel (404); The cylindrical that polarization gear wheel (404) center is provided with circular hole and antenna surface mount pad (402) stepped hole adopts small―gap suture to be connected;
Feed bar (405) right side is connected with subreflector (415), subreflector (415) is connected by screw fixing with gps antenna (416) again, the flange seat center in feed bar (405) left side is provided with seam and is connected with waveguide adaptor (407) seam, and is fixed by screw, described circular waveguide rotary joint (410) is made up of articulation end (4101) and arthrodesis end (4102) two parts, arthrodesis end (4102) is provided with seam and is connected with waveguide adaptor (407) left side seam and is fixed by screw, the cylindrical of articulation end (4101) adopts small―gap suture to coordinate with domain switching plate (411) seam, and be connected by screw fixing, simultaneously, end face and the waveguide duplexer (408) of articulation end (4101) are connected by screw, flange port and the filter (406) of waveguide duplexer (408) middle part are connected by screw, waveguide duplexer (408) other end flange port is connected by screw fixing with single channel rotary joint (409) again,
Domain switching plate (411) upper surface is fixed with polarization motor (412) and polarization Hall switch (414), polarization motor (412) axle head is fixed with polarization pinion (413), axis holding screw retrains fixing, and polarization Hall switch (415) is right against the magnet of antenna surface supporting plate (403);
Filter (406) and 180 ° of rectangle waveguide bends (417) are connected by screw fixing, 180 ° of rectangle waveguide bends (417) again with tuner LNB(418) be connected by screw fixing; Single channel rotary joint (409) and rectangle waveguide bend two (419) are connected by screw fixing.
2. a kind of boat-carrying satellite communication antena according to claim 1, it is characterized in that: described orientation pinion (211) adopts small―gap suture to coordinate with the assembly relation of motor keyset (210) seam, orientation rotation platform (208) adopts small―gap suture to coordinate with the assembly relation of motor keyset (210) seam.
3. a kind of boat-carrying satellite communication antena according to claim 1, is characterized in that: the pitching main shaft (307) that described orientation rotation platform dextral arm (2082) is fixed adopts with the pitching driven shaft (316) that orientation rotation platform sinistral arm (2081) is fixed and is coaxially connected.
4. a kind of boat-carrying satellite communication antena according to claim 1, is characterized in that: described domain switching plate (411) adopts small―gap suture to coordinate with the assembly relation of polarization motor (412).
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| CN201410323269.3A CN105281017B (en) | 2014-07-09 | 2014-07-09 | A kind of boat-carrying satellite communication antena |
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| CN201410323269.3A CN105281017B (en) | 2014-07-09 | 2014-07-09 | A kind of boat-carrying satellite communication antena |
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| CN108594182A (en) * | 2018-07-17 | 2018-09-28 | 南京俊禄科技有限公司 | The new-type radar of flexible rotation |
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| CN109103598B (en) * | 2018-08-31 | 2020-09-11 | 迪泰（浙江）通信技术有限公司 | Satellite antenna transmission mechanism and satellite antenna |
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| CN111697311A (en) * | 2020-06-22 | 2020-09-22 | 上海航天测控通信研究所 | Unfolding method of satellite-borne movable reflector antenna |
| CN111697312A (en) * | 2020-06-22 | 2020-09-22 | 上海航天测控通信研究所 | Satellite-borne movable reflector antenna and compacting and manufacturing method |
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| CN111697311B (en) * | 2020-06-22 | 2022-03-01 | 上海航天测控通信研究所 | Unfolding method of satellite-borne movable reflector antenna |
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Effective date of registration: 20240415 Address after: 100176, 7th Floor, Building 1, Courtyard 6, Kegu Second Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: BEIJING STARNETO TECHNOLOGY Corp.,Ltd. Country or region after: China Address before: No. 2 Xingye Street, Daxing District, Beijing, 100176 Patentee before: BEIJING SANETEL SCIENCE AND TECHNOLOGY DEVELOPMENT CO.,LTD. Country or region before: China |