CN103474771B - Marine satellite antenna - Google Patents
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- CN103474771B CN103474771B CN201310450095.2A CN201310450095A CN103474771B CN 103474771 B CN103474771 B CN 103474771B CN 201310450095 A CN201310450095 A CN 201310450095A CN 103474771 B CN103474771 B CN 103474771B
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Abstract
The invention provides a marine satellite antenna, and belongs to the technical field of electronic communication. The marine satellite antenna solves the technical problem that in the prior art, when a satellite antenna finds stars, electric wires in the antenna are wound due to the unlimited rotation of the antenna. The marine satellite antenna comprises a base and an antenna outer shell which is detachably connected with the base. A center shaft is fixed on the base, a base plate capable of rotating around the center shaft penetrating through the center shaft, a center gear located on the lower side of the base plate is fixed on the center shaft, a first drive motor is fixed on the base plate, a first planetary gear is fixed on an output shaft of the first drive motor, the first planetary gear is meshed with the center gear, the antenna is movably connected to the base plate, and the marine satellite antenna further comprises a rotation limiting device. The marine satellite antenna can find the stars and limit the rotation in an all-around mode, and meanwhile a satellite signal can be enhanced.
Description
Technical field
The invention belongs to technical field of electronic communication, relate to a kind of satellite antenna, especially a kind of marine satellite antenna.
Background technology
Satellite antenna is exactly the cauldron often said, is a metal parabola, responsiblely satellite-signal is reflexed to the feed and tuner that are positioned at focus place.The small-signal transmitted by satellite is collected in the effect of satellite antenna, and removes noise as far as possible.Most of antenna normally parabolic shape, also has some multifocal antennas to be combined by sphere and parabola.Satellite-signal is by focusing on its focus place after the reflection of parabolic antenna.Marine satellite antenna is the satellite antenna arranged aboard ship, because ship can produce displacement in the process of moving, therefore satellite antenna need timely adjustment direction to seek star; Again due to more weak at some regional signal, therefore need to strengthen facilitating reception to signal.Seeking in star process, antenna needs to rotate, if but the unconfined rotation of antenna, can cause the coiling of inner antenna electric wire, thus damage antenna, the marine satellite antenna of prior art does not possess the function of rotary stopper usually.
Chinese patent literature discloses a kind of Automatic control device for shipborne satellite antenna [application number: CN201210476154.9], comprise the base be located on hull and the antenna part be located on base, described base is connected bearing with being provided with between antenna part, the orientation that the top of described base is provided with in order to control connection bearing Plane Rotation controls motor, the top of described connection bearing is provided with the pitching control motor in order to the control antenna angle of pitch, the inside of described connection bearing is provided with the mechanical transmission mechanism of each motor power transmission, is provided with control circuit in described base.
Such scheme achieves the automatic control of satellite tv antenna, can automatic search, calibration and tenacious tracking satellite.But such scheme seek in star process and do not possess limit function, easily there is the same direction of wire-wound, sky and continue rotate and coiling occurs, thus cause satellite antenna unavailable; On the other hand, the program is by adjusting antenna to the power of the signal detected, does not have signal and strengthens function.
Chinese patent literature also discloses the stopping means of a kind of rotational travel more than 360 degree [application number: CN201110198891.2], comprise holder and the rotating shaft of ring-type, described rotating shaft is through described holder mider hole, described holder agreement face is circumferentially provided with along limitation travel switch, inverse limitation travel switch and section switch, described is " U " shape structure of opening towards described rotating shaft along limitation travel switch and inverse limitation travel switch, described rotating shaft is provided with travel switch catch, when rotating shaft rotates, travel switch catch passes across described along limit switch, inverse limitation travel switch and section switch, in rotating shaft, a follower disk is installed, this follower disk is provided with a driving lever, this driving lever drives the section switch catch be arranged on described holder screw in or screw out " U " shape opening of described section switch.
The structure of such scheme is simple, volume is little, and cost is lower, reaches the rotation of both forward and reverse directions by hardware limit, and the fail safe that improve servo system can reliability.But such scheme also exists certain defect: the mode of hardware limit is no doubt reliable, but above-mentioned scheme realizes spacing by catch, catch, when using for a long time, because shock can cause damaging or being subjected to displacement, thus affects the effect of stopping means; Further, in angle of pitch direction, the program cannot accomplish that direction regulates.
Summary of the invention
The object of the invention is for the problems referred to above, a kind of marine satellite antenna is provided; Solve the technical problem that antenna in the seeking stars by using satellite antenna process existing for prior art unrestrictedly rotates the inner antenna electric wire coiling brought.
For achieving the above object, present invention employs following technical proposal: a kind of marine satellite antenna, comprise base, the antenna casing removably connected with base, base is fixed with central shaft, be equipped with the base plate that can rotate around central shaft on center shaft, described central shaft is fixed with the central gear being positioned at baseplate underside, described base plate is fixed with the first drive motors, the output shaft of this first drive motors is fixed with first planet gear, described first planet gear is meshed with central gear, described base plate is also connected with antenna, this marine satellite antenna also comprises a rotary limit device, described rotary limit device comprises pinion, described pinion is fixed on center shaft and is positioned on the upside of base plate, described base plate is provided with the gear wheel be rotationally connected with base plate, described gear wheel is meshed with pinion, the limit signal trigger mechanism that can produce limit signal when base plate turns to set angle is provided with between described gear wheel and base plate.
In above-mentioned satellite peculiar to vessel, described limit signal trigger mechanism comprises connecting rod, one end and the gear wheel center of this connecting rod are hinged, the other end is hinged on base plate, connecting rod is fixed with optoelectronic switch mounting panel, optoelectronic switch mounting panel is provided with the first optoelectronic switch and the second optoelectronic switch that lay respectively at connecting rod both sides, described gear wheel is fixed with when base plate forward or reverse is to the detection bodies that can lay respectively at during set angle immediately below the first optoelectronic switch or the second optoelectronic switch.
In above-mentioned satellite peculiar to vessel, the thickness of described detection bodies is greater than the spacing between connecting rod and gear wheel; Described limit signal trigger mechanism is all connected with control circuit with the first drive motors.
In above-mentioned satellite peculiar to vessel, described gear wheel and the gear ratio of pinion are 2:1.
In above-mentioned satellite peculiar to vessel, described base plate is also provided with the angle of pitch governor motion that can regulate antenna elevation angle; Described antenna is also provided with a signal and strengthens mechanism.
In above-mentioned satellite peculiar to vessel, described angle of pitch governor motion comprises and is arranged on base plate two ends and the first side plate be fixedly connected with base plate and the second side plate, the second described side plate is fixedly installed second drive motors, the output shaft of the second described drive motors is fixed with second planetary gear, the second described planetary gear engages with sector gear; The first described side plate is provided with clutch shaft bearing, and the second described side plate is provided with the second bearing, and described sector gear is connected with the second bearing; The electric line connection control circuit of the second described drive motors; Described antenna has flange and is connected with clutch shaft bearing and the second bearing.
In above-mentioned satellite peculiar to vessel, described antenna is connected with clutch shaft bearing and the second bearing with the second stiffener by the first stiffener, wherein the first stiffener and antenna are flexibly connected with clutch shaft bearing after being fixedly connected with, and are flexibly connected after the second stiffener and antenna and sector gear are fixedly connected with the second bearing.
In above-mentioned satellite peculiar to vessel, described signal strengthens mechanism and comprises waveguide, described waveguide one end is fixedly connected with antenna bottom center, and the described waveguide other end is dismountable is connected with a waveguide outer cover, and described waveguide outer cover internal fixtion is connected with a subreflector.
In above-mentioned satellite peculiar to vessel, described subreflector comprises body cylindrically, secondary reflecting plate is provided with in one end of body, this secondary reflecting plate has with the center line of body for centre of gyration line and with the parabolic segment of indent for revolution bus is through the subreflector of revolution, be formed centrally cone point in this subreflector, be provided with location structure at the other end of body; Described location structure comprises is located at body end and tubular positioning sleeve, and form step between described body and positioning sleeve, described positioning sleeve is provided with the location hole that some radial directions are offered.
In above-mentioned satellite peculiar to vessel, described base is also provided with a waterproof outer cover, described waterproof outer cover comprises cover plate, the outwardly formation box body in middle part of described cover plate, described tray interior forms the container cavity of hollow, and box body top is provided with the binding post that at least one is hollow form, and described binding post is communicated with container cavity, described box body is positioned at container cavity and is provided with fixed leg, and described fixed leg has internal thread.
Compared with prior art, the invention has the advantages that:
1, rotary limit device can limit the unconfined rotation of satellite antenna, thus the antenna wire coiling that can prevent unconfined rotation from bringing.
2, by arranging limit signal trigger mechanism and the angle of pitch governor motion of antenna elevation angle can being regulated, satellite antenna is made can to seek the effect of star with angle of pitch direction in the horizontal direction; Strengthen mechanism by signalization, reach the effect strengthening satellite-signal;
3, this antenna can realize horizontal direction 360 ° of rotations and seek star, and star is sought in the pitching of 180 °, angle of pitch direction, thus satellite antenna can be made to reach omnibearing seek star.
4, the design of signal enhancing mechanism is ingenious, and installation aspect, utilize the principle of secondary reflection, reach the effect strengthening signal;
5, waterproof outer cover can prevent moisture or salt fog from entering into satellite antenna, and wiring place of satellite antenna can be prevented again to be corroded, and serves the effect of protection satellite antenna, thus improves the useful life of satellite antenna.
Accompanying drawing explanation
Fig. 1 is outside drawing provided by the invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is explosive view provided by the invention;
Fig. 4 is the schematic diagram of limit signal trigger mechanism provided by the invention;
Fig. 5 is the structural representation after Fig. 4 removes the first drive motors and optoelectronic switch mounting panel;
Fig. 6 is the structural representation of waterproof outer cover provided by the invention;
Fig. 7 is the upward view of Fig. 6;
Fig. 8 is the explosive view that signal provided by the invention strengthens mechanism;
Fig. 9 is the internal structure schematic diagram that signal provided by the invention strengthens mechanism;
Figure 10 is the structural representation of subreflector provided by the invention.
In figure, base 10, fixed axis 11, base plate 12, first drive motors 13, central gear 14, pinion 15, gear wheel 16, position signal trigger mechanism 2, antenna casing 20, detection bodies 22, optoelectronic switch mounting panel 23, connecting rod 25, first optoelectronic switch 231, second optoelectronic switch 232, waterproof outer cover 3, antenna 30, cover plate 31, box body 32, binding post 33, bunch pipe 34, supporting bracket 35, fixed leg 36, container cavity 37, through hole 301, signal strengthens mechanism 4, waveguide 42, waveguide outer cover 43, subreflector 44, first back-up ring 421, second back-up ring 422, lower outer cover 431, upper outer cover 432, body 441, breach 4221, baffle ring 4321, fin 4331, subreflector 4421, cone point 4422, positioning sleeve 4431, step 4432, location hole 4433, angle of pitch governor motion 5, first side plate 51, second side plate 52, second drive motors 53, second bearing 54, clutch shaft bearing 55, first stiffener 56, second stiffener 57, second planetary gear 58, sector gear 59.
Embodiment
As Figure 1-5, a kind of marine satellite antenna, comprise base 10, the antenna casing 20 removably connected with base 10, base 10 is fixed with central shaft 11, central shaft 11 is equipped with the base plate 12 that can rotate around central shaft 11, described central shaft 11 is fixed with the central gear 14 be positioned on the downside of base plate 12, described base plate 12 is fixed with the first drive motors 13, the output shaft of this first drive motors 13 is fixed with first planet gear 131, described first planet gear 131 is meshed with central gear 14, described base plate 12 is also connected with antenna 30, this marine satellite antenna also comprises a rotary limit device, described rotary limit device comprises pinion 15, described pinion 15 to be fixed on central shaft 11 and to be positioned on the upside of base plate 12, described base plate 12 is provided with the gear wheel 16 be rotationally connected with base plate 12, described gear wheel 16 is meshed with pinion 15, the limit signal trigger mechanism 2 that can produce limit signal when base plate 12 turns to set angle is provided with between described gear wheel 16 and base plate 12.
Described gear wheel 16 is 2:1 with the gear ratio of pinion 15.Therefore gear wheel 16 can revolve around pinion 15 and take two turns, and is equivalent to 720 °, makes base plate 12 have enough revolution spaces.
Described limit signal trigger mechanism 2 is all connected with control circuit 24 with the first drive motors 13.
As the preferred scheme of one, in the present embodiment, the first described drive motors 13 is stepping motor.
When drive motors 13 starts, the output shaft of the first drive motors 13 drives planetary gear 131 to rotate around central gear 14, thus drives base plate 12 to rotate around central shaft 11.Limit signal trigger mechanism 2 can limit base plate 12 and unrestrictedly rotates thus prevent the coiling of satellite antenna internal wire.
Described limit signal trigger mechanism 2 comprises connecting rod 25, one end and gear wheel 16 center of this connecting rod 25 are hinged, the other end is hinged on base plate 12, connecting rod 25 is fixed with optoelectronic switch mounting panel 23, optoelectronic switch mounting panel 23 is provided with the first optoelectronic switch 231 and the second optoelectronic switch 232 laying respectively at connecting rod 25 both sides, described gear wheel 16 is fixed with when base plate 12 forward or reverse is to the detection bodies 22 that can lay respectively at during set angle immediately below the first optoelectronic switch 231 or the second optoelectronic switch 232.
When base plate 12 rotation reaches certain angle, namely when detection bodies 22 produces optoelectronic induction with the first optoelectronic switch 231 on optoelectronic switch mounting panel 23 or the second optoelectronic switch 232, namely drive motors 13 stops operating, and when starting next time, drive motors 13 is to rotating backward.Forward and reverse rotation of optoelectronic induction and drive motors 13 all has control circuit 3 to control.
The thickness of described detection bodies 22 is greater than the spacing between connecting rod 25 and gear wheel 16.
In the present embodiment, the effect of connecting rod 25 be limit signal trigger mechanism 2 break down and can not spacing time, by connecting rod 25, detection bodies 22 can be stopped, thus formed spacing, when detection bodies 22 contacts with connecting rod 25, activation signal is transferred to control circuit 3, thus makes control circuit 24 control rotation and the direction of rotation of drive motors 13, is the equal of a safety effect.
Described base plate 12 is also provided with the angle of pitch governor motion 5 that can regulate antenna 30 angle of pitch; Described antenna 30 is also provided with a signal and strengthens mechanism 4.
Described angle of pitch governor motion 5 comprises and is arranged on base plate 12 two ends and the first side plate 51 and the second side plate 52 be fixedly connected with base plate 12, the second described side plate 52 is fixedly installed second drive motors 53, the output shaft of the second described drive motors 53 is fixed with second planetary gear 58, the second described planetary gear 58 engages with sector gear 59; The first described side plate 51 is provided with clutch shaft bearing 55, the second described side plate is provided with the second bearing 54, described sector gear 59 is connected with the second bearing 54; The described electric line connection control circuit 24 of the second drive motors 53; Described antenna 30 has flange and is connected with clutch shaft bearing 55 and the second bearing 54.
Described antenna 30 is connected with clutch shaft bearing 55 and the second bearing 54 with the second stiffener 57 by the first stiffener 56, wherein the first stiffener 56 and antenna 30 are flexibly connected with clutch shaft bearing 55 after being fixedly connected with, and are flexibly connected after the second stiffener 57 and antenna 30 and sector gear 59 are fixedly connected with the second bearing 54.
When the second driving mechanism 53 starts, the second planetary gear 58 is driven to rotate, thus drive the sector gear 59 engaged with the second planetary gear 58 to rotate, and then drive the second bearing 54 to rotate, because be flexibly connected between sector gear 59 with the second bearing 54, when on sector gear during fixed antenna 30, antenna 30 also can rotate thereupon.
When departing from the second planetary gear 58 in sector gear 59 rotation process, sector gear 59 can stop operating, and antenna 30 also stops operating thereupon, and this is equivalent to the function of a rotary stopper.
When sector gear 59 stops operating, rotate backward by controlling the second drive motors 53, sector gear 59 engages again with the second planetary gear 58, antenna 30 thus start the reciprocal angle of pitch regulate seek star.
Angle of pitch governor motion 5 structure is simple, but has possessed the angle of pitch simultaneously and seek star and limit function, very practical.
As the preferred scheme of one, the fan-shaped radian of described sector gear 59 is greater than 180 °.The radian of sector gear is greater than 180 °, and antenna 30 can be made to reach more than the rotation of 180 °, and namely the angle of pitch more than 180 °, can cover whole pitching face.
As seen in figs. 8-10, described signal strengthens mechanism 4 and comprises waveguide 42, described waveguide 42 one end is fixedly connected with place of antenna 30 bottom centre, described waveguide 42 other end is dismountable is connected with a waveguide outer cover 43, and described waveguide outer cover 43 internal fixtion is connected with a subreflector 44.
Described subreflector 44 adopts PE or ABS or PC or PB or carbon fiber to make, and adopts subreflector 44 surface of once staying shaping, described to be also provided with one deck electroplating film or metal paint film.
Antenna 30 reaches subreflector 44 after signal reflex being assembled, and carries out Second Aggregation by subreflector 44 pairs of signals, and the signal after gathering is concentrated by waveguide 42 and transmitted, and signal is strengthened greatly, improves signal quality.
Described subreflector 44 comprises body 441 cylindrically, secondary reflecting plate 442 is provided with in one end of body 441, this secondary reflecting plate 442 has with the center line of body 441 for centre of gyration line and with the parabolic segment of indent for revolution bus is through the subreflector 4421 of revolution, be formed centrally cone point 4422 in this subreflector 4421, be provided with location structure 443 at the other end of body 441; Described location structure 443 comprises is located at body 441 end and tubular positioning sleeve 4431, and form step 4432 between described body 441 and positioning sleeve 4431, described positioning sleeve 4431 is provided with the location hole 4433 that some radial directions are offered.
The subreflector 4421 of subreflector 44 plays the effect of Second Aggregation signal, and signal is finally passed in waveguide 42 around cone point 4422, and by concentrated reception, the intensity of signal improves greatly.
The two ends of described waveguide 42 are provided with the first back-up ring 421 and the second back-up ring 422, and wherein the first back-up ring 421 is connected with antenna 30, and the second described back-up ring 422 is provided with some breach 4221; Described waveguide outer cover 43 comprises outer cover 432 and lower outer cover 431, described lower outer cover 431 is provided with some fins 4331 that can be inserted in breach 4221, described waveguide outer cover 43 is inserted in breach 4221 to be formed with waveguide 42 by fin 4331 and removably connects.
Have in the upper outer cover 432 of described waveguide outer cover 43 and body 441 can be allowed to pass through and the baffle ring 4321 of positioning sleeve 4431 can be blocked.
Described upper outer cover 432 sidewall is provided with some screws, described positioning sleeve 4431 sidewall be provided with screw on upper outer cover 432 relative to location hole 4433, subreflector 44 is nested in waveguide outer cover 43, and positioning sleeve 4431 and upper outer cover 432 are spirally connected.
This connected mode is convenient to dismounting and is fixed, in assembling and maintenance process, seem particularly convenient.Subreflector 44 by be arranged on location hole on positioning sleeve 4431 sidewall 4433 and the screw on upper outer cover 432 formed be spirally connected fixing, baffle ring 4321 pairs of subreflectors 44 are played a supporting role, making to be spirally connected, it is more firm to fix, avoid subreflector 44 to be in use subjected to displacement, thus affect the reception of signal.
The second described back-up ring 422 is disposed with from inside to outside the first reception ring 423 and second and receives ring 424, and outer cover 431 is connected outer cover 431 at present and receives first the outside that ring 423 and second receives ring 424 with waveguide 42 instantly.The setting of two reception rings, strengthens the reception of signal.
As the preferred scheme of one, bottom described antenna 30 and the center being positioned at antenna 30 is provided with a through hole 301 that waveguide 42 can be allowed to insert, described through hole 301 edge is provided with some screws, one end of described waveguide 42 is provided with the first back-up ring 421 that diameter is greater than through hole 301, the first described back-up ring 421 is provided with the screw corresponding with the screw at through hole 301 edge, and one end and the antenna 30 of described waveguide 42 are spirally connected fixing.
As shown in fig. 6-7, described base 10 is also provided with a waterproof outer cover 3, described waterproof outer cover 3 comprises cover plate 31, the outwardly formation box body 32 in middle part of described cover plate 31, described box body 32 inside forms the container cavity 37 of hollow, and box body 32 top is provided with the binding post 33 that at least one is hollow form, and described binding post 33 is communicated with container cavity 37, described box body 32 is positioned at container cavity 37 and is provided with fixed leg 36, and described fixed leg 36 has internal thread.
Described binding post 33 top is also provided with columniform bunch pipe 34.
As the preferred scheme of one, described binding post 33 has external screw thread and quantity is two.
Described binding post 33 top is also provided with columniform bunch pipe 34, and described bunch pipe 34 body is paliform.
Described waterproof outer cover 3 adopts ASA material.
The cover plate 31 at described box body 32 edge caves inward and forms supporting bracket 35, and described supporting bracket 35 is fixed with one deck sealing gasket with the portion that the borders on precision of cover plate 31, and described sealing ring adopts natural rubber material.
This waterproof outer cover 3 can prevent moisture and salt fog from entering into satellite antenna inside, plays a protective role to satellite antenna, and wiring place of satellite antenna can be prevented again to be exposed to outer and to be corroded simultaneously.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ base 10 herein, fixed axis 11, base plate 12, first drive motors 13, central gear 14, pinion 15, gear wheel 16, position signal trigger mechanism 2, antenna casing 20, detection bodies 22, optoelectronic switch mounting panel 23, connecting rod 25, first optoelectronic switch 231, second optoelectronic switch 232, waterproof outer cover 3, antenna 30, cover plate 31, box body 32, binding post 33, bunch pipe 34, supporting bracket 35, fixed leg 36, container cavity 37, through hole 301, signal strengthens mechanism 4, waveguide 42, waveguide outer cover 43, subreflector 44, first back-up ring 421, second back-up ring 422, lower outer cover 431, upper outer cover 432, body 441, breach 4221, baffle ring 4321, fin 4331, subreflector 4421, cone point 4422, positioning sleeve 4431, step 4432, location hole 4433, angle of pitch governor motion 5, first side plate 51, second side plate 52, second drive motors 53, second bearing 54, clutch shaft bearing 55, first stiffener 56, second stiffener 57, second planetary gear 58, sector gear 59.Deng term, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. a marine satellite antenna, comprise base (10), the antenna casing (20) removably connected with base (10), base (10) is fixed with central shaft (11), central shaft (11) is equipped with the base plate (12) that can rotate around central shaft (11), described central shaft (11) is fixed with the central gear (14) being positioned at base plate (12) downside, described base plate (12) is fixed with the first drive motors (13), the output shaft of this first drive motors (13) is fixed with first planet gear (131), described first planet gear (131) is meshed with central gear (14), described base plate (12) is also connected with antenna (30), it is characterized in that, this marine satellite antenna also comprises a rotary limit device, described rotary limit device comprises pinion (15), described pinion (15) is fixed on central shaft (11) and goes up and be positioned at base plate (12) upside, described base plate (12) is provided with the gear wheel (16) be rotationally connected with base plate (12), described gear wheel (16) is meshed with pinion (15), the limit signal trigger mechanism (2) that can produce limit signal when base plate (12) turns to set angle is provided with between described gear wheel (16) and base plate (12).
2. marine satellite antenna according to claim 1, it is characterized in that, described limit signal trigger mechanism (2) comprises connecting rod (25), one end and gear wheel (16) center of this connecting rod (25) are hinged, the other end is hinged on base plate (12), connecting rod (25) is fixed with optoelectronic switch mounting panel (23), optoelectronic switch mounting panel (23) is provided with the first optoelectronic switch (231) and the second optoelectronic switch (232) that lay respectively at connecting rod (25) both sides, described gear wheel (16) is fixed with when base plate (12) forward or reverse is to the detection bodies (22) that can lay respectively at during set angle immediately below the first optoelectronic switch (231) or the second optoelectronic switch (232).
3. marine satellite antenna according to claim 2, is characterized in that, the thickness of described detection bodies (22) is greater than the spacing between connecting rod (25) and gear wheel (16); Described limit signal trigger mechanism (2) is all connected with control circuit (24) with the first drive motors (13).
4. the marine satellite antenna according to claim 1 or 2 or 3, is characterized in that, described gear wheel (16) is 2:1 with the gear ratio of pinion (15).
5. the marine satellite antenna according to claim 1 or 2 or 3, is characterized in that, described base plate (12) is also provided with the angle of pitch governor motion (5) that can regulate antenna (30) angle of pitch; Described antenna (30) is also provided with a signal and strengthens mechanism (4).
6. marine satellite antenna according to claim 5, it is characterized in that, described angle of pitch governor motion (5) comprises and is arranged on base plate (12) two ends and the first side plate (51) be fixedly connected with base plate (12) and the second side plate (52), described the second side plate (52) is fixedly installed second drive motors (53), the output shaft of described the second drive motors (53) is fixed with second planetary gear (58), described the second planetary gear (58) engages with sector gear (59); Described the first side plate (51) is provided with clutch shaft bearing (55), the second described side plate is provided with the second bearing (54), described sector gear (59) is connected with the second bearing (54); Described the second drive motors (53) is with electric line connection control circuit (24); Described antenna (30) has flange and is connected with clutch shaft bearing (55) and the second bearing (54).
7. marine satellite antenna according to claim 6, it is characterized in that, described antenna (30) is connected with clutch shaft bearing (55) and the second bearing (54) with the second stiffener (57) by the first stiffener (56), wherein the first stiffener (56) and antenna (30) are flexibly connected with clutch shaft bearing (55) after being fixedly connected with, and are flexibly connected after the second stiffener (57) and antenna (30) and sector gear (59) are fixedly connected with the second bearing (54).
8. marine satellite antenna according to claim 5, it is characterized in that, described signal strengthens mechanism (4) and comprises waveguide (42), described waveguide (42) one end is fixedly connected with place of antenna (30) bottom centre, described waveguide (42) other end is dismountable is connected with a waveguide outer cover (43), and described waveguide outer cover (43) internal fixtion is connected with a subreflector (44).
9. marine satellite antenna according to claim 8, it is characterized in that, described subreflector (44) comprises body (441) cylindrically, secondary reflecting plate (442) is provided with in one end of body (441), this secondary reflecting plate (442) has and is centre of gyration line with the center line of body (441) and with the parabolic segment of indent for revolution bus is through the subreflector (4421) of revolution, be formed centrally cone point (4422) in this subreflector (4421), be provided with location structure (443) at the other end of body (441); Described location structure (443) comprises is located at body (441) end and tubular positioning sleeve (4431), form step (4432) between described body (441) and positioning sleeve (4431), described positioning sleeve (4431) is provided with the location hole (4433) that some radial directions are offered.
10. the marine satellite antenna according to claim 1 or 2 or 3 or 6 or 7 or 8 or 9, it is characterized in that, described base (10) is also provided with a waterproof outer cover (3), described waterproof outer cover (3) comprises cover plate (31), the outwardly formation box body (32) in middle part of described cover plate (31), described box body (32) inside forms the container cavity (37) of hollow, box body (32) top is provided with the binding post (33) that at least one is hollow form, described binding post (33) is communicated with container cavity (37), described box body (32) is gone up and is positioned at container cavity (37) and is provided with fixed leg (36), described fixed leg (36) has internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450095.2A CN103474771B (en) | 2013-09-26 | 2013-09-26 | Marine satellite antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450095.2A CN103474771B (en) | 2013-09-26 | 2013-09-26 | Marine satellite antenna |
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| Publication Number | Publication Date |
|---|---|
| CN103474771A CN103474771A (en) | 2013-12-25 |
| CN103474771B true CN103474771B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310450095.2A Active CN103474771B (en) | 2013-09-26 | 2013-09-26 | Marine satellite antenna |
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| CN (1) | CN103474771B (en) |
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| CN109346815B (en) * | 2018-09-25 | 2020-08-25 | 西安电子科技大学 | Azimuth/radial adjustable vortex wave receiving antenna support |
| CN109270496B (en) * | 2018-10-31 | 2020-12-22 | 安徽四创电子股份有限公司 | Air traffic control primary radar antenna feeder system |
| CN110838622B (en) | 2019-01-30 | 2023-02-28 | 新华三技术有限公司 | Antenna system and network equipment |
| CN117766986A (en) * | 2024-01-02 | 2024-03-26 | 中国计量科学研究院 | Take reflection cavity's + -45 metal cross dipole dual polarized antenna |
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| JP2541135B2 (en) * | 1993-11-22 | 1996-10-09 | 日本電気株式会社 | Tracking antenna speed reducer |
| JPH07249920A (en) * | 1994-03-11 | 1995-09-26 | Tokimec Inc | Antenna directing device |
| KR20030045405A (en) * | 2001-12-04 | 2003-06-11 | 주식회사 아이디에스 | Potable satellite antenna |
| CN101783437A (en) * | 2009-01-21 | 2010-07-21 | 也翔国际股份有限公司 | Antenna direction regulating mechanism |
| CN201508907U (en) * | 2009-09-15 | 2010-06-16 | 东莞堤摩讯传动科技有限公司 | Satellite antenna rotation adjusting device |
| CN102176531B (en) * | 2011-01-10 | 2014-01-01 | 圆刚科技股份有限公司 | Double-antenna module capable of automatically expanding outwards |
| CN102904016B (en) * | 2012-11-07 | 2015-03-18 | 武汉虹信通信技术有限责任公司 | Electric adjusting device with scale regulator |
| CN102927421A (en) * | 2012-11-10 | 2013-02-13 | 庄森彬 | Television base rotating through remote control |
| CN203481396U (en) * | 2013-09-26 | 2014-03-12 | 宁波迪泰电子科技有限公司 | Marine satellite antenna |
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