CN103474771A - Marine satellite antenna - Google Patents
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- CN103474771A CN103474771A CN2013104500952A CN201310450095A CN103474771A CN 103474771 A CN103474771 A CN 103474771A CN 2013104500952 A CN2013104500952 A CN 2013104500952A CN 201310450095 A CN201310450095 A CN 201310450095A CN 103474771 A CN103474771 A CN 103474771A
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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 the electronic communication field, relate to a kind of satellite antenna, especially a kind of satellite antenna peculiar to vessel.
Background technology
Satellite antenna is exactly the cauldron of often saying, is a metal parabola, is responsible for satellite-signal is reflexed to feed and the tuner that is positioned at the focus place.The effect of satellite antenna is to collect the small-signal transmitted by satellite, and removes as far as possible noise.Most of antennas are parabolic shape normally, and some multifocal some antennas are also arranged is to be combined by sphere and parabola.Focus on its focus place after the reflection of satellite-signal by parabolic antenna.Satellite antenna peculiar to vessel is arranged on the satellite antenna on ship, and because ship can produce displacement in the process of moving, so satellite antenna need to be adjusted timely direction and seeks star; Again due to some regional signal a little less than, therefore need to be strengthened facilitating reception to signal.In seeking the star process, antenna needs rotation, if but the unconfined rotation of antenna can cause antenna internal wire coiling, thereby damaging antenna, the satellite antenna peculiar to vessel of prior art does not possess the function of rotary stopper usually.
Chinese patent literature discloses a kind of Shipborne satellite antenna automatic control equipment [application number: CN201210476154.9], comprise the base of being located on hull and be located at the antenna part on base, be provided with and be connected bearing between described base and antenna part, the top of described base is provided with in order to the orientation of control connection bearing Plane Rotation and 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, in described base, is provided with control circuit.
Such scheme has been realized the automatic control of satellite tv antenna, can automatic search, calibration and tenacious tracking satellite.But such scheme seek in the star process and do not possess limit function, easily generation antenna continues rotation and winds the line around same direction, thereby causes satellite antenna unavailable; On the other hand, this scheme is to adjust antenna by the power of the signal to detecting, and does not have signal and strengthens function.
Chinese patent literature also discloses the stopping means [application number: CN201110198891.2] that a kind of rotational travel surpasses 360 degree, comprise holder and the rotating shaft of ring-type, described rotating shaft is through described holder mider hole, on described holder agreement face, along circumference, be equipped with along limitation travel switch, contrary limitation travel switch and section switch, described is that opening is towards " U " of described rotating shaft shape structure along limitation travel switch and contrary limitation travel switch, the travel switch catch is installed in described rotating shaft, during the rotating shaft rotation, the travel switch catch passes across described along limit switch, contrary limitation travel switch and section switch, in rotating shaft, a follower disk is installed, be provided with a driving lever on this follower disk, this driving lever drives " U " shape opening that the section switch catch be arranged on described holder screwed in or screwed out described section switch.
Such scheme simple in structure, volume is little, and cost is lower, reaches the rotation of both forward and reverse directions by hardware limit, but has improved the fail safe reliability of servo system.But also there is certain defect in such scheme: the mode of hardware limit is no doubt reliable, spacing but above-mentioned scheme realizes by catch, and catch, when long-time the use, because shock can cause damaging or being subjected to displacement, thereby affects the effect of stopping means; And this scheme can't be accomplished the direction adjusting in angle of pitch direction.
Summary of the invention
The objective of the invention is for the problems referred to above, a kind of satellite antenna peculiar to vessel is provided; Solved the technical problem of the antenna internal wire coiling that in the existing seeking stars by using satellite antenna process of prior art, the unrestricted rotation of antenna brings.
For achieving the above object, the present invention has adopted following technical proposal: a kind of satellite antenna peculiar to vessel, comprise base, the antenna casing removably connected with base, be fixed with central shaft on base, on central shaft, being equipped with can be around the base plate of central shaft rotation, be fixed with the central gear that is positioned at the base plate downside on described central shaft, be fixed with the first drive motors on described base plate, be fixed with the first planetary gear on the output shaft of this first drive motors, described the first planetary gear is meshed with central gear, also be connected with antenna on described base plate, this satellite antenna peculiar to vessel also comprises a rotary limit device, described rotary limit device comprises pinion, described pinion is fixed on central shaft and is positioned at the base plate upside, described base plate is provided with the gear wheel be rotationally connected with base plate, described gear wheel is meshed with pinion, be provided with the limit signal trigger mechanism that can produce limit signal when base plate turns to set angle 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, be fixed with the optoelectronic switch mounting panel on connecting rod, be provided with the first optoelectronic switch and the second optoelectronic switch that lay respectively at the connecting rod both sides on the optoelectronic switch mounting panel, be fixed with the detection bodies that can lay respectively at during to set angle when the base plate forward or reverse under the first optoelectronic switch or the second optoelectronic switch on described gear wheel.
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 all is connected with control circuit with the first drive motors.
In above-mentioned satellite peculiar to vessel, the gear ratio of described gear wheel and pinion is 2:1.
In above-mentioned satellite peculiar to vessel, also be provided with the angle of pitch governor motion that can regulate antenna elevation angle on described base plate; Also be provided with a signal on described antenna and strengthen 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, be fixedly installed second drive motors on described the second side plate, be fixed with second planetary gear on the output shaft of described the second drive motors, described the second planetary gear and sector gear engagement; Be provided with clutch shaft bearing on described the first side plate, on described the second side plate, be provided with the second bearing, described sector gear is connected with the second bearing; Electric line connection control circuit for described the second drive motors; Described antenna has flange and is connected with the second bearing with clutch shaft bearing.
In above-mentioned satellite peculiar to vessel, described antenna is connected with the second bearing with clutch shaft bearing with the second stiffener by the first stiffener, wherein the first stiffener is fixedly connected with rear and clutch shaft bearing flexible connection with antenna, after the second stiffener is fixedly connected with antenna and sector gear, with the second bearing, is flexibly connected.
In above-mentioned satellite peculiar to vessel, described signal strengthens mechanism and comprises waveguide, described waveguide one end and antenna bottom centre place is fixedly connected with, and the described waveguide other end is dismountable is connected with a waveguide outer cover, is fixedly connected with a subreflector in described waveguide outer cover.
In above-mentioned satellite peculiar to vessel, described subreflector comprises and is body cylindraceous, an end at body is provided with secondary reflecting plate, this pair reflecting plate have take body center line as centre of gyration line and the parabolic segment of indent of take be the subreflector that forms through revolution of revolution bus, be formed centrally cone point in this subreflector, at the other end of body, be provided with location structure; Described location structure comprises is located at body end and tubular positioning sleeve, between described body and positioning sleeve, forms step, and described positioning sleeve is provided with some location holes of radially offering.
In above-mentioned satellite peculiar to vessel, also be provided with a waterproof outer cover on described base, described waterproof outer cover comprises cover plate, the outwardly formation box body in the middle part of described cover plate, the inner container cavity that forms hollow of described box body, the box body top is provided with at least one binding post that is hollow form, and described binding post is communicated with container cavity, on described box body and be positioned at container cavity and be provided with fixed leg, 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, thereby can prevent the antenna wire coiling that unconfined rotation brings.
2, by the limit signal trigger mechanism being set and can regulating the angle of pitch governor motion of antenna elevation angle, make satellite antenna can seek in the horizontal direction the effect of star with angle of pitch direction; Strengthen mechanism by signalization, reached the effect that strengthens satellite-signal;
3, this antenna can realize that 360 ° of rotations of horizontal direction seek star, and star is sought in 180 ° of pitching of angle of pitch direction, thereby can make satellite antenna reach the omnibearing star of seeking.
4, the design of signal enhancing mechanism is ingenious, and the installation aspect, utilizes the principle of secondary reflection, has reached the effect that strengthens signal;
5, waterproof outer cover can prevent that moisture or salt fog from entering into satellite antenna, can prevent that again wiring place of satellite antenna is corroded, and has played the effect of protection satellite antenna, thus the useful life of having improved satellite antenna.
The 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, the 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, the first optoelectronic switch 231, the 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, the first back-up ring 421, the 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, the first side plate 51, the second side plate 52, the second drive motors 53, the second bearing 54, clutch shaft bearing 55, the first stiffener 56, the second stiffener 57, the second planetary gear 58, sector gear 59.
Embodiment
As Figure 1-5, a kind of satellite antenna peculiar to vessel, comprise base 10, the antenna casing 20 removably connected with base 10, be fixed with central shaft 11 on base 10, on central shaft 11, being equipped with can be around the base plate 12 of central shaft 11 rotations, be fixed with the central gear 14 that is positioned at base plate 12 downsides on described central shaft 11, be fixed with the first drive motors 13 on described base plate 12, be fixed with the first planetary gear 131 on the output shaft of this first drive motors 13, described the first planetary gear 131 is meshed with central gear 14, also be connected with antenna 30 on described base plate 12, this satellite antenna peculiar to vessel also comprises a rotary limit device, described rotary limit device comprises pinion 15, described pinion 15 is fixed on central shaft 11 and is positioned at base plate 12 upsides, 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, be provided with the limit signal trigger mechanism 2 that can produce limit signal when base plate 12 turns to set angle 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 and take two turns around pinion 15, is equivalent to 720 °, makes base plate 12 that enough revolution spaces be arranged.
Described limit signal trigger mechanism 2 all is connected with control circuit 24 with the first drive motors 13.
As a kind of preferred scheme, in the present embodiment, described the first drive motors 13 is stepping motor.
When drive motors 13 starts, the output shaft of the first drive motors 13 drives planetary gear 131 around central gear 14 rotations, thereby drives base plate 12 around central shaft 11 rotations.Thereby limit signal trigger mechanism 2 can limit base plate 12, unrestricted rotation prevents the coiling of satellite antenna internal wire.
Described limit signal trigger mechanism 2 comprises connecting rod 25, one end of this connecting rod 25 and gear wheel 16 centers are hinged, the other end is hinged on base plate 12, be fixed with optoelectronic switch mounting panel 23 on connecting rod 25, be provided with the first optoelectronic switch 231 and the second optoelectronic switch 232 that lay respectively at connecting rod 25 both sides on optoelectronic switch mounting panel 23, be fixed with the detection bodies 22 that can lay respectively at during to set angle when base plate 12 forward or reverse under the first optoelectronic switch 231 or the second optoelectronic switch 232 on described gear wheel 16.
When base plate 12 rotations reach certain angle, be detection bodies 22 with optoelectronic switch mounting panel 23 on the first optoelectronic switch 231 or the second optoelectronic switch 232 while producing optoelectronic induction, drive motors 13 stops operating, and when start 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 is when limit signal trigger mechanism 2 breaks down and can not be spacing, can detection bodies 22 be stopped by connecting rod 25, thereby form spacing, when detection bodies 22 contacts with connecting rod 25, activation signal is transferred to control circuit 3, thereby makes control circuit 24 control rotation and the direction of rotation of drive motors 13, is the equal of a safety effect.
Also be provided with the angle of pitch governor motion 5 that can regulate antenna 30 angles of pitch on described base plate 12; Also be provided with a signal on described antenna 30 and strengthen 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 be fixedly connected with base plate 12 and the second side plate 52, be fixedly installed second drive motors 53 on described the second side plate 52, be fixed with second planetary gear 58 on the output shaft of described the second drive motors 53, described the second planetary gear 58 and sector gear 59 engagements; Be provided with clutch shaft bearing 55 on described the first side plate 51, be provided with the second bearing 54 on described the second side plate, described sector gear 59 is connected with the second bearing 54; The electric line connection control circuit 24 of described the second drive motors 53 use; Described antenna 30 has flange and is connected with the second bearing 54 with clutch shaft bearing 55.
Described antenna 30 is connected with the second bearing 54 with clutch shaft bearing 55 with the second stiffener 57 by the first stiffener 56, wherein the first stiffener 56 is fixedly connected with rear and clutch shaft bearing 55 flexible connections with antenna 30, after the second stiffener 57 is fixedly connected with antenna 30 and sector gear 59, with the second bearing 54, is flexibly connected.
When the second driving mechanism 53 starts, driving the second planetary gear 58 rotates, thereby drive with the sector gear 59 of the second planetary gear 58 engagements, rotate, and then drive the second bearing 54 and rotate, because between sector gear 59 and the second bearing 54 be, be flexibly connected, on sector gear, during fixed antenna 30, antenna 30 also can rotate thereupon.
While breaking away from the second planetary gear 58 in sector gear 59 rotation processes, 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, can rotate backward by controlling the second drive motors 53, sector gear 59 and the second planetary gear 58 mesh again, thereby antenna 30 starts reciprocal angle of pitch adjusting, seek star.
Angle of pitch governor motion 5 is simple in structure, but possessed the angle of pitch simultaneously, seeks star and limit function, very practical.
As a kind of preferred scheme, the fan-shaped radian of described sector gear 59 is greater than 180 °.The radian of sector gear is greater than 180 °, can make antenna 30 reach the rotation that surpasses 180 °, and the angle of pitch can surpass 180 °, can cover whole pitching face.
As shown in Fig. 8-10, described signal strengthens mechanism 4 and comprises waveguide 42, described waveguide 42 1 ends are fixedly connected with antenna 30 bottom centre places, described waveguide 42 other ends are dismountable is connected with a waveguide outer cover 43, is fixedly connected with a subreflector 44 in described waveguide outer cover 43.
Described subreflector 44 employing PE or ABS or PC or PB or carbon fiber are made, and adopt the moulding of once staying, and described subreflector 44 surfaces also are provided with one deck electroplating film or metal paint film.
Described subreflector 44 comprises and is body 441 cylindraceous, an end at body 441 is provided with secondary reflecting plate 442, this pair reflecting plate 442 have take body 441 center line as centre of gyration line and the parabolic segment of indent of take be the subreflector 4421 that forms through revolution of revolution bus, be formed centrally cone point 4422 in this subreflector 4421, at the other end of body 441, be provided with location structure 443; Described location structure 443 comprises is located at body 441 ends and tubular positioning sleeve 4431, forms step 4432 between described body 441 and positioning sleeve 4431, and described positioning sleeve 4431 is provided with some location holes of radially offering 4433.
The subreflector 4421 of subreflector 44 plays the effect of Second Aggregation signal, and signal finally is passed in waveguide 42 around cone point 4422, is concentrated reception, and 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, on described the second back-up ring 422, is provided with some breach 4221; Described waveguide outer cover 43 comprises outer cover 432 and lower outer cover 431, be provided with some fins 4331 that can be inserted in breach 4221 on described lower outer cover 431, described waveguide outer cover 43 is inserted in breach 4221 and forms and removably connect with waveguide 42 by fin 4331.
In the upper outer cover 432 of described waveguide outer cover 43, have can allow body 441 by and can block the baffle ring 4321 of positioning sleeve 4431.
Described upper outer cover 432 sidewalls are provided with some screws, described positioning sleeve 4431 sidewalls be provided with upper outer cover 432 on screw with respect to location hole 4433, subreflector 44 is nested in waveguide outer cover 43, positioning sleeve 4431 is spirally connected with upper outer cover 432.
This connected mode is convenient to dismounting and fixing, in assembling and maintenance process, seems particularly convenient.Subreflector 44 is spirally connected fixing by the location hole 4433 be arranged on positioning sleeve 4431 sidewalls with the screw formation on upper outer cover 432,4321 pairs of subreflectors 44 of baffle ring are played a supporting role, make to be spirally connected fixing more firm, avoid subreflector 44 in use to be subjected to displacement, thereby affect the reception of signal.
Be disposed with from inside to outside the first reception ring 423 and second on described the second back-up ring 422 and receive ring 424, and outer cover 431 is connected outer cover 431 at present and receives at the first reception ring 423 and second outside of encircling 424 with waveguide 42 instantly.Two settings that receive ring, strengthened the reception of signal.
As a kind of preferred scheme, described antenna 30 bottoms and the center that is positioned at antenna 30 are provided with a through hole 301 that can allow waveguide 42 insert, described through hole 301 edges are 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, be provided with the screw corresponding with the screw at through hole 301 edges on described the first back-up ring 421, an end and the antenna 30 of described waveguide 42 are spirally connected fixing.
As shown in Fig. 6-7, also be provided with a waterproof outer cover 3 on described base 10, described waterproof outer cover 3 comprises cover plate 31, the outwardly formation box body 32 in the middle part of described cover plate 31, the inner container cavity 37 that forms hollow of described box body 32, box body 32 tops are provided with at least one binding post that is hollow form 33, and described binding post 33 is communicated with container cavity 37, on described box body 32 and be positioned at container cavity 37 and be provided with fixed leg 36, described fixed leg 36 has internal thread.
Described binding post 33 tops also are provided with columniform bunch pipe 34.
As a kind of preferred scheme, described binding post 33 has external screw thread and quantity is two.
Described binding post 33 tops also are provided with columniform bunch pipe 34, and described bunch pipe 34 bodys are paliform.
Described waterproof outer cover 3 adopts the ASA material.
The cover plate 31 at described box body 32 edges caves inward and forms supporting bracket 35, and described supporting bracket 35 is fixed with one deck sealing gasket with the section of the bordering on precision of cover plate 31, and described sealing ring adopts natural rubber material.
This waterproof outer cover 3 can prevent that moisture and salt fog from entering into satellite antenna inside, and satellite antenna is played a protective role, and can prevent again that wiring place of satellite antenna is exposed to outer and is 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 modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more been used base 10, fixed axis 11, base plate 12, the 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, the first optoelectronic switch 231, the 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, the first back-up ring 421, the 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, the first side plate 51, the second side plate 52, the second drive motors 53, the second bearing 54, clutch shaft bearing 55, the first stiffener 56, the second stiffener 57, the second planetary gear 58, sector gear 59.Deng term, but do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. a satellite antenna peculiar to vessel, comprise base (10), the antenna casing (20) removably connected with base (10), be fixed with central shaft (11) on base (10), on central shaft (11), being equipped with can be around the base plate (12) of central shaft (11) rotation, be fixed with the central gear (14) that is positioned at base plate (12) downside on described central shaft (11), be fixed with the first drive motors (13) on described base plate (12), be fixed with the first planetary gear (131) on the output shaft of this first drive motors (13), described the first planetary gear (131) is meshed with central gear (14), also be connected with antenna (30) on described base plate (12), it is characterized in that, this satellite antenna peculiar to vessel also comprises a rotary limit device, described rotary limit device comprises pinion (15), described pinion (15) is fixed on central shaft (11) above and is 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), be provided with the limit signal trigger mechanism (2) that can produce limit signal when base plate (12) while turning to set angle between described gear wheel (16) and base plate (12).
2. satellite antenna peculiar to vessel according to claim 1, it is characterized in that, described limit signal trigger mechanism (2) comprises connecting rod (25), one end of this connecting rod (25) and gear wheel (16) center are hinged, the other end is hinged on base plate (12), be fixed with optoelectronic switch mounting panel (23) on connecting rod (25), be provided with the first optoelectronic switch (231) and the second optoelectronic switch (232) that lay respectively at connecting rod (25) both sides on optoelectronic switch mounting panel (23), be fixed with the detection bodies (22) that can lay respectively at during to set angle when base plate (12) forward or reverse under the first optoelectronic switch (231) or the second optoelectronic switch (232) on described gear wheel (16).
3. satellite antenna peculiar to vessel 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) all is connected with control circuit (24) with the first drive motors (13).
4. according to claim 1 or 2 or 3 described satellite antennas peculiar to vessel, it is characterized in that, described gear wheel (16) is 2:1 with the gear ratio of pinion (15).
5. according to claim 1 or 2 or 3 described satellite antennas peculiar to vessel, it is characterized in that, also be provided with the angle of pitch governor motion (5) that can regulate antenna (30) angle of pitch on described base plate (12); Also be provided with a signal on described antenna (30) and strengthen mechanism (4).
6. satellite antenna peculiar to vessel 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), be fixedly installed second drive motors (53) on described the second side plate (52), be fixed with second planetary gear (58) on the output shaft of described the second drive motors (53), described the second planetary gear (58) and sector gear (59) engagement; Be provided with clutch shaft bearing (55) on described the first side plate (51), be provided with the second bearing (54) on described the second side plate, described sector gear (59) is connected with the second bearing (54); Electric line connection control circuit (24) for described the second drive motors (53); Described antenna (30) has flange and is connected with the second bearing (54) with clutch shaft bearing (55).
7. satellite antenna peculiar to vessel according to claim 6, it is characterized in that, described antenna (30) is connected with the second bearing (54) with clutch shaft bearing (55) with the second stiffener (57) by the first stiffener (56), wherein the first stiffener (56) is fixedly connected with rear and clutch shaft bearing (55) flexible connection with antenna (30), after the second stiffener (57) is fixedly connected with antenna (30) and sector gear (59), with the second bearing (54), is flexibly connected.
8. satellite antenna peculiar to vessel according to claim 5, it is characterized in that, described signal strengthens mechanism (4) and comprises waveguide (42), described waveguide (42) one ends are fixedly connected with antenna (30) bottom centre place, the dismountable waveguide outer cover (43) that is connected with of described waveguide (42) other end, be fixedly connected with a subreflector (44) in described waveguide outer cover (43).
9. satellite antenna peculiar to vessel according to claim 8, it is characterized in that, described subreflector (44) comprises and is body cylindraceous (441), an end at body (441) is provided with secondary reflecting plate (442), this pair reflecting plate (442) have take body (441) center line as centre of gyration line and the parabolic segment of indent of take be the subreflector (4421) that forms through revolution of revolution bus, be formed centrally cone point (4422) in this subreflector (4421), at the other end of body (441), be provided with location structure (443); 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 some location holes of radially offering (4433).
10. according to claim 1 or 2 or 3 or 6 or 7 or 8 or 9 described satellite antennas peculiar to vessel, it is characterized in that, also be provided with a waterproof outer cover (3) on described base (10), described waterproof outer cover (3) comprises cover plate (31), the outwardly formation box body in the middle part of described cover plate (31) (32), the inner container cavity (37) that forms hollow of described box body (32), box body (32) top is provided with at least one binding post that is hollow form (33), 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450095.2A CN103474771B (en) | 2013-09-26 | 2013-09-26 | Marine satellite antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450095.2A CN103474771B (en) | 2013-09-26 | 2013-09-26 | Marine satellite antenna |
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| CN103474771A true CN103474771A (en) | 2013-12-25 |
| CN103474771B CN103474771B (en) | 2015-07-01 |
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| CN201310450095.2A Active CN103474771B (en) | 2013-09-26 | 2013-09-26 | Marine satellite antenna |
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| CN107516765A (en) * | 2017-08-31 | 2017-12-26 | 南京康派电子有限公司 | A kind of satellite waterproof sealing shell peculiar to vessel |
| CN107968246A (en) * | 2017-11-22 | 2018-04-27 | 航天中星（北京）科技有限公司 | The satellite antenna device being installed on mobile vehicle |
| CN108255202A (en) * | 2017-12-29 | 2018-07-06 | 南京云清普为通信科技有限公司 | A kind of novel satellite-finding device |
| CN108540150A (en) * | 2017-12-29 | 2018-09-14 | 南京云清普为通信科技有限公司 | A kind of modified satellite-finding device |
| CN109244628A (en) * | 2018-08-28 | 2019-01-18 | 东莞市森岭智能科技有限公司 | A kind of waterproof ship antenna |
| CN109270496A (en) * | 2018-10-31 | 2019-01-25 | 安徽四创电子股份有限公司 | A kind of blank pipe primary radar antenna-feeder system |
| CN109346815A (en) * | 2018-09-25 | 2019-02-15 | 西安电子科技大学 | A kind of vortex wave receiving antenna bracket at azimuth/radially adjustable |
| US11936118B2 (en) | 2019-01-30 | 2024-03-19 | New H3C Technologies Co., Ltd. | Antenna system and network device |
| 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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| CN104113369A (en) * | 2013-06-13 | 2014-10-22 | 南京中网卫星通信股份有限公司 | One-piece type detachable portable satellite communication station |
| CN106058460B (en) * | 2016-06-29 | 2019-04-19 | 广东通宇通讯股份有限公司 | Antenna packages structure |
| CN106058460A (en) * | 2016-06-29 | 2016-10-26 | 广东通宇通讯股份有限公司 | Antenna packaging structure |
| CN107064947A (en) * | 2017-05-19 | 2017-08-18 | 深圳市优必选科技有限公司 | Laser radar module and robot |
| CN107064947B (en) * | 2017-05-19 | 2024-02-20 | 深圳市优必选科技有限公司 | Laser radar module and robot |
| CN107516765A (en) * | 2017-08-31 | 2017-12-26 | 南京康派电子有限公司 | A kind of satellite waterproof sealing shell peculiar to vessel |
| CN107505953A (en) * | 2017-10-13 | 2017-12-22 | 南昌大学 | A kind of unmanned plane automatic tracking antenna system and its tracking |
| CN107505953B (en) * | 2017-10-13 | 2024-02-20 | 南昌大学 | Unmanned aerial vehicle automatic tracking antenna system and tracking method thereof |
| CN107968246B (en) * | 2017-11-22 | 2019-07-16 | 航天中星（北京）科技有限公司 | The satellite antenna device being installed on mobile vehicle |
| CN107968246A (en) * | 2017-11-22 | 2018-04-27 | 航天中星（北京）科技有限公司 | The satellite antenna device being installed on mobile vehicle |
| CN108540150A (en) * | 2017-12-29 | 2018-09-14 | 南京云清普为通信科技有限公司 | A kind of modified satellite-finding device |
| CN108255202A (en) * | 2017-12-29 | 2018-07-06 | 南京云清普为通信科技有限公司 | A kind of novel satellite-finding device |
| CN109244628A (en) * | 2018-08-28 | 2019-01-18 | 东莞市森岭智能科技有限公司 | A kind of waterproof ship antenna |
| CN109244628B (en) * | 2018-08-28 | 2024-02-09 | 东莞市森岭智能科技有限公司 | Waterproof marine antenna |
| CN109346815A (en) * | 2018-09-25 | 2019-02-15 | 西安电子科技大学 | A kind of vortex wave receiving antenna bracket at azimuth/radially adjustable |
| CN109270496A (en) * | 2018-10-31 | 2019-01-25 | 安徽四创电子股份有限公司 | A kind of blank pipe primary radar antenna-feeder system |
| US11936118B2 (en) | 2019-01-30 | 2024-03-19 | New H3C Technologies Co., Ltd. | Antenna system and network device |
| 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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Address after: No. 7, Building 7, Lane 216, Qingyi Road, High tech Zone, Ningbo City, Zhejiang Province 315000 Patentee after: Ningbo Ditai Technology Co.,Ltd. Address before: 315103 Floor 4, Building 2, No. 1177, Lingyun Road, High tech Zone, Ningbo City, Zhejiang Province Patentee before: NINGBO DITEL ELECTRONIC SCIENCE & TECHNOLOGY CO.,LTD. |