A kind of antenna feeder structure suitable for satellite communication portable stationTechnical field
The utility model relates to satellite communication correlative technology fields more particularly to a kind of suitable for satellite communication portable stationAntenna feeder structure.
Background technique
Satellite communication has irreplaceable role in terms of emergency communication, but conventional satellite communication: earth station diameterIt at 1.2-3.0 meters, weighs several, carries difficult and complicated for operation, general onboard satellite communication system dimension is also relativelyGreatly, 50 kilograms or more are weighed, individual can not carry, greatly limit their application occasion, and the wherein core component master of earth stationIt to be antenna feeder structure.
Antenna feeder structure is a kind of converter, it the guided wave propagated on transmission line, be transformed into unbounded medium (usuallyFree space) in the electromagnetic wave propagated, or carry out opposite transformation.
Antenna feeder structure can be divided into wire antenna and surface antenna by structure type and working principle, and common surface antenna is satellite dayLine, satellite antenna are exactly the cauldron often said, are a metal paraboloids, are responsible for for satellite-signal being reflected into the feedback positioned at focal pointIn source and tuner.The effect of satellite antenna is to collect the small-signal transmitted by satellite, and be eliminated as much as noise.It is most ofAntenna is usually parabolic, there are also multifocal antenna is composed of spherical surface and paraboloid.Satellite-signal passes throughIts focal point is focused on after the reflection of parabola antenna.
And during being miniaturized for satellite communication station, it is convenient for carrying due to that should meet, meets be miniaturized againDuring will not to the signal strength of satellite reception generate large effect, therefore satellite communication station micromation development intoCheng Zhong, antenna feeder structure are designed to where center of gravity.
Existing micromation portable station can not be removed in the prevalence of aerial panel, because there is the biggish antennas of areaThe presence of panel becomes satellite communication station main resistance in portable developing direction, simultaneously because aerial panel is required to want micro-Type causes aerial panel docking to be declined by the performance of signal, while existing aerial panel lacks corresponding dial, to showShow rotational angle.
Utility model content
The utility model provides a kind of antenna feeder structure suitable for satellite communication portable station, to solve the above-mentioned prior artDeficiency can show the angle of antenna feeder structure rotation, facilitate aerial panel to remove and install, to facilitate satellite communication station justIt takes, enhances the ability that feed receives signal, there is stronger practicability.
In order to realize the purpose of this utility model, the following technology of proposed adoption:
A kind of antenna feeder structure suitable for satellite communication portable station, including signal processing unit, it is connected to signal processing listPoled waveguide in member, the modularization aerial panel for being fixed on poled waveguide one end and the feedback on modularization aerial panelSource component, which is characterized in that further include having the dial for being fixed on the poled waveguide other end, the feed component includes supportBar, the feed head set on support rod one end end, the level-one feed disk set on support rod one end are several and another set on support rodThe second level feed disk of one end is several.
Preferably, dial overall structure is semicircular structure.
Preferably, dial is several equipped with the fan-shaped hollow out completely through dial plane, and dial side wall is equipped with halfArc of circle band.
Preferably, the radius of level-one feed disk is less than the radius of second level feed disk.
Preferably, level-one feed disk and second level feed disk are in arranged at equal intervals.
Preferably, the quantity of level-one feed disk is greater than the quantity of second level feed disk.
Preferably, feed component installation end is equipped with fixing sleeve, and fixing sleeve is installed on modularization aerial panel, fixing sleeveThe other end is set on poled waveguide.
Preferably, modularization aerial panel includes that fixing piece and reflecting surface unit on fixing piece are several, fixedPart includes fixed disk and the plum blossom disk set on fixed disk one end, there are gap between plum blossom disk and fixed disk, is set on plum blossom diskHave that bayonet is several, reflecting surface unit installation end is equipped with the mounting plate being installed between plum blossom disk and fixed disk, mounting plate outer wallIt is equipped with the fixture block being assemblied in bayonet.
Preferably, signal processing unit is power amplifier.
The advantages of above-mentioned technical proposal, is:
1, the dial being equipped with according to the utility model can show the angle of antenna feeder structure rotation, thus logical for satelliteThe star offer of seeking at letter station accurately seeks star information, and facilitates the collection of data；Wherein in order to mitigate the quality of satellite communication stationEntire dial use fan-shaped hollow out by the way of, to mitigate the quality of dial, while progress scale note for convenienceIt carries and uses semicircular frame mode, while in order to improve the stability of dial, semi-circular arc band is devised around it；
2, the feed component being equipped with according to the utility model, in order to while reducing aerial panel effective area without shadowThe intensity for receiving signal is rung, so devising the feed component being different from the prior art, is presented by the different level-one of radius sizeSource tray and second level feed disk realize that the part signal for the signal port for missing feed head is reflected back modularization aerial panel againOn, signal focuses again by modularization aerial panel, and focus will be smaller, it is easier into the signal port of feed head, thusThe receptivity of antenna-feeder system signal is improved, and the radius of level-one feed disk facilitates to carry out the reflection of the signal of low-angle greatly,And level-one feed disk is designed as multiple modes equidistantly arranged simultaneously, the convenient signal to each different low-angles hasThe reflection of effect, to greatly improve the intensity for receiving signal, and for entire modularization aerial panel, usually there isThe signal of low-angle is less than the signal of wide-angle, therefore is less than second level feed disk by the quantitative design of level-one feed disk when designQuantity predominantly reflect wide-angle to effectively prevent missing the probability of signal, while the second level feed disk that lower end is equipped withSignal is back on modularization aerial panel；
3, the modularization aerial panel being equipped with according to the utility model, ease of assembly when needed, during transportationCarrying easy to disassemble, wherein fixed disk and plum blossom disk are the device that reflecting surface unit is fixed and connected, wherein fixed disk and plum blossomGap between disk can be stuck by the progress of one end of reflecting surface unit, and on the bayonet and reflecting surface unit that plum blossom disk is equipped withThe fixture block being equipped with is grouped together, convenient to fix again to the progress of reflecting surface unit；
4, the utility model structure is simple, can show the angle of antenna feeder structure rotation, and aerial panel is facilitated to remove and pacifyDress enhances the ability that feed receives signal to facilitate satellite communication station portable, has stronger practicability.
Detailed description of the invention
Fig. 1 shows the utility model overall three-dimensional structure.
Fig. 2 shows the other structures part connection figures of missing modularization aerial panel.
Fig. 3 shows the three-dimensional structure diagram of reflecting surface unit.
Fig. 4 shows the three-dimensional structure diagram of fixed disk and plum blossom disk.
Specific embodiment
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearerIt is novel to be described in further detail.
As Figure 1-Figure 4, a kind of antenna feeder structure suitable for satellite communication portable station, including signal processing unit 1, companyThe poled waveguide 2 that is connected on signal processing unit 1, the modularization aerial panel 6 for being fixed on 2 one end of poled waveguide and it is set to mouldFeed component 5 on block aerial panel 6, which is characterized in that it further include having the dial 3 for being fixed on 2 other end of poled waveguide,The feed component 5 include support rod 50, set on the feed head 51 of 50 one end end of support rod, set on the one of 50 one end of support rodSeveral and second level feed disk 53 set on 50 other end of support rod of grade feed disk 52 is several.
Preferably, 3 overall structure of dial is semicircular structure.On the one hand the quality of dial 3, another party be can reduceJust the angle for facilitating display to rotate.
Preferably, dial 3 is several equipped with the fan-shaped hollow out 30 completely through 3 plane of dial, and 3 side wall of dial is setThere is semi-circular arc band 31.The design of fan-shaped hollow out 30 can further mitigate the quality of dial 3, the drop of 3 mass of dialThe low carrying to can be convenient satellite communication station, and in order to improve the stability of the identification of dial and structure, at itOn devise semi-circular arc band 31.
Preferably, the radius of level-one feed disk 52 is less than the radius of second level feed disk 53.Facilitate level-one feed disk 52 to smallThe reflection signal of angle is emitted, so that the intensity of the reception signal at portable satellite communications station is effectively improved, and it is sameWhen in order to reflect the reflection signal of low-angle, therefore the lesser second level feed disk 53 of radius is devised, by the letter of low-angleIt number reflects back.
Preferably, level-one feed disk 52 and second level feed disk 53 are in arranged at equal intervals.Equidistant arrangement mode can be withProgress step by step reflects signal, so that it is guaranteed that having feed disk corresponding on each reflection levels line, so as to effectiveGround avoids the case where bring signal strength reduces during micromation due to modularization aerial panel.
Preferably, the quantity of level-one feed disk 52 is greater than the quantity of second level feed disk 53.Existing pot-shaped modularization antennaThe characteristics of 6 wide-angle reflection signal of panel is more than low-angle reflection signal, and in order to improve the received intensity of signal, to designSmallest number level-one feed disk 52 and big quantity second level feed disk 53, improve the signal strength received on the whole.
Preferably, 5 installation end of feed component is equipped with fixing sleeve 4, and fixing sleeve 4 is installed on modularization aerial panel 6, GuSurely 4 other ends are covered on poled waveguide 2.The design of fixing sleeve 4 can facilitate modularization aerial panel 6 when carrying andFeed component 5 is dismantled, and is played an important role for the being convenient for carrying property at portable satellite station.
Preferably, if modularization aerial panel 6 includes fixing piece 60 and the reflecting surface unit 61 on fixing piece 60Dry, fixing piece 60 includes fixed disk 600 and the plum blossom disk 601 set on 600 one end of fixed disk, plum blossom disk 601 and fixed disk 600Between there are gap, plum blossom disk 601 is equipped with that bayonet 602 is several, and 61 installation end of reflecting surface unit is equipped with and is installed on plum blossom diskMounting plate 610 between 601 and fixed disk 600,610 outer wall of mounting plate are equipped with the fixture block 611 being assemblied in bayonet 602.MouldThe design of block aerial panel 6 is mainly from the structural stability of entire modularization aerial panel 6, and at the same time also to have canThe condition of disassembly and assembly at any time, and be mainly reflected on being just easy for installation and removal, use dedicated 600 He of fixed diskPlum blossom disk 601, and in order to enable the reflecting surface unit being assembled between fixed disk 600 and plum blossom disk 601 61 is stable to consolidateIt is fixed, therefore using fixture block 611 being capable of stable bond by plum blossom disk 601 and reflecting surface unit 61.
Preferably, signal processing unit 1 is power amplifier.In order to the satellite station of portable station is miniaturized, use BUC andLNB integrated power amplifier, on the one hand reduces the quality of portable satellite, to be convenient for carrying, and reduces entireThe volume of portable station.
The utility model specifically is specifically implementing that the disk 3 with a scale of poled waveguide 2 is first mounted on signal processing in linkOn unit 1, then each independent modularization aerial panel 6 is assembled between plum blossom disk 601 and fixed disk 600, it is to be fixedEntire modularization aerial panel 6 is mounted on poled waveguide 2 afterwards, feed component 5 is then mounted on by module by fixing sleeve 4Change on aerial panel 6, is assemblied together modularization aerial panel 6 during portable station satellite communication use, and justStation satellite communication is taken during not needing transport, feed component 5 and modularization aerial panel 6 are removed.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, it is clear that this fieldTechnical staff various modification and variations can be carried out to the utility model without departing from the spirit and scope of the utility model.ThisSample, if these modifications and variations of the present invention belong to the claims of the present invention and its equivalent technology range itInterior, then the utility model is also intended to include these modifications and variations.