CN2389425Y - Multiple wave beam receiving paraboloid antenna - Google Patents
Multiple wave beam receiving paraboloid antenna Download PDFInfo
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- CN2389425Y CN2389425Y CN 99242196 CN99242196U CN2389425Y CN 2389425 Y CN2389425 Y CN 2389425Y CN 99242196 CN99242196 CN 99242196 CN 99242196 U CN99242196 U CN 99242196U CN 2389425 Y CN2389425 Y CN 2389425Y
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Abstract
The utility model discloses a multiple wave beam receiving paraboloid antenna which is composed of an oblong main reflector, feedforward feeds, a bi-reflector, a feed track plate, a feed track, an antenna back frame, an antenna boom, a feedforward support bracket, a track support bracket, a chassis, etc. A plurality of feedforward feeds arranged on the bottom side at the front of the oblong main reflector or the bi-reflector is utilized to implement communication with multiple wave beams. The utility model also has the characteristics of high antenna efficiency, gaining of every beam, same minor lobe structure, good minor lobe property, etc. The utility model also has the advantages of simple structure, convenient production, low price, etc., and is suitable for the multiple wave beam antenna communication of various sites such as satellite communication, satellite detecting and receiving, etc.
Description
The utility model relates to a kind of multibeam parabolic torus antenna in the communications field, is specially adapted to satellite communication, satellite is detectd the communication that occasions such as receipts, microwave communication, satellite television reception are made multi-beam antenna.
Along with satellite communication develops rapidly, satellite on the geo-stationary orbit is more and more, satellite spacing by 3 ° to 2 ° of development, utilizing the One Earth One Family station antenna to produce a plurality of wave beams utilizes several satellites to communicate more and more urgent simultaneously, polytype multi-beam antennas such as phased array antenna, two figuration biasing jam lattice logical sequence structure multi-beam antenna, sphere multi-beam antenna, multiple reflection face multi-beam antenna are arranged at present, the main deficiency that these multi-beam antennas exist: it is big that phased array antenna is inserted loss, costs an arm and a leg, maintenance cost is big.Two figurations biasing jam lattice logical sequence structure multi-beam antennas are to utilize several lateral misalignments to form multi-beam in the feed of focus different distance, because burnt partially, the antenna aperture efficiency is low, and antenna efficiency is very low during special large-angle scanning, and the while, each beam gain difference was very big.Its main beam gain of sphere multi-beam antenna is low, and sidelobe performance is also poor, is unsuitable for satellite communication.Its main wave beam number of multiple reflection face multi-beam antenna is few, and structure is huge, the cost height, and processing difficulties, therefore above-mentioned various antenna applications are all undesirable.
The objective of the invention is to avoid the weak point in the above-mentioned background technology and provide that a kind of wave beam number is many, antenna efficiency is high, each beam gain is identical with sidelobe structure, the multibeam parabolic torus antenna that sidelobe performance is good, and the utility model also has simple in structure, be convenient to processing and Installation and Debugging, lower-price characteristic, be fit to multiple communication situations such as satellite communication and microwave communication.
The purpose of this utility model is achieved in that it is made up of rectangle primary reflection surface 1, feedforward feed 2, double-reflecting face 3, antenna back frame 4, antenna holder 5, feed track plate 6, feed track 7, feedforward support 8, track support 9, chassis 10,11.Wherein rectangle primary reflection surface 1 usefulness securing member is fixed on the antenna back frame 4, and antenna back frame 4 usefulness securing members are fixed on the antenna holder 5, and antenna holder 5 bottoms are fixed on the chassis 10 with securing member; Feed track plate 6 usefulness securing members are fixed on the track support 9, track support 9 usefulness securing members are fixed on the chassis 11, feed track 7 is processed garden arc shaped groove structure on feed track plate 6, feedforward feed 2 usefulness securing members are fixed on the feedforward support 8, feedforward support 8 usefulness securing members be fixed in feed track 7 grooves and feed track plate 6 on, double-reflecting face 3 usefulness securing members be fixed in feed track 7 grooves and feed track plate 6 on, feedforward feed 2, double-reflecting face 3 is installed with rectangle primary reflection surface 1 relative fixed, feedforward feed 2, double-reflecting face 3 is fixedly mounted on rectangle primary reflection surface 1 the place ahead downside.
The purpose of this utility model can also reach by following measure:
Rectangle primary reflection surface 1 is made of the square antenna plate 12 of 2 to 32 block lengths by 1 to 10 layer, every layer, wherein each four angle of 1 to 10 layer, every layer 2 to 32 antenna plate 12 are fixed on the antenna back frame 4 with securing member respectively, and rectangle primary reflection surface 1 constitutes the parabolic torus structure.
The utility model feedforward feed 2 or double-reflecting face 3 constitute by 2 to 16, wherein 2 to 16 feedforwards feeds 2 or double-reflecting faces 3 be fixed in feed track 7 grooves with the securing member parallel construction respectively and feed track plate 6 on, feedforward feed 2 horn mouths and the installation of rectangle primary reflection surface 1 relative fixed.
The utility model double-reflecting face 3 is made of subreflector 13, subreflector support 14, feed 15, feed support 16, base plate 17, wherein subreflector 13 usefulness securing members are fixed on the subreflector support 14, feed 15 usefulness securing members are fixed on the feed support 16, subreflector support 14, feed support 16 are fixed on base plate 17 both ends of the surface with securing member respectively, base plate 17 usefulness securing members be fixed in feed track 7 grooves and feed track plate 6 on, feed 15 is installed with subreflector 13 relative fixed, and subreflector 13 is installed with primary reflection surface 1 relative fixed.
Ratio 〉=5 of the diameter Ds/ λ wavelength of the utility model subreflector 13.
The utility model is compared background technology following advantage:
1. the utility model has designed feedforward feed 2 or double-reflecting face 3, has realized multi-beam communication, and the wave beam number is many, and each beam gain is identical with sidelobe structure, the antenna efficiency height, and sidelobe performance is good.
2. the utility model has designed feedforward feed 2 or double-reflecting face 3, overcome the ratio＞200 o'clock serious blooming effect of rectangle primary reflection surface 1 dimension D/λ wavelength, improve the electric property of antenna, enlarged range of application, be fit to the multi-beam communication of multiple satellite.
3. the utility model is simple in structure, and the processing Installation and Debugging are simple and easy, and are cheap, is convenient to penetration and promotion and uses.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the utility model mounting structure schematic diagram.
With reference to Fig. 1, the utility model is made up of rectangle primary reflection surface 1, feedforward feed 2, double-reflecting face 3, antenna back frame 4, antenna holder 5, feed track plate 6, feed track 7, feedforward support 8, track support 9, chassis 10,11.Wherein rectangle primary reflection surface 1 usefulness securing member is fixed on the antenna back frame 4.The utility model rectangle primary reflection surface 1 is made of the square antenna plate 12 of 2 to 32 block lengths by 1 to 10 layer, every layer, and wherein each four angle of 1 to 10 layer, every layer 2 to 32 antenna plate 12 are fixed on the antenna back frame 4 with securing member respectively.Embodiment rectangle primary reflection surface 1 adopts 3 layers, every layer 8 antenna plate 12 to constitute, the size of rectangle primary reflection surface 1 is long * wide be 10 * 6 meters, the size of every antenna plate 12 is long * wide be 2 * 1.25 meters, the antenna size size of rectangle primary reflection surface 1, by the wave beam number decision that forms antenna communication, the wave beam of communication is many more, and the size of antenna is big more.Antenna plate 12 adopts the aluminium sheet stretch process of commercially available 2 millimeters thick to form, and after each four angle of antenna plate 12 were fixed on the antenna back frame 4, rectangle primary reflection surface 1 constituted the parabolic torus structure, makes the wave beam of communication form focusing.
It is that 40 millimeters tube material is mounted to the grid structure shape that the utility model antenna back frame 4 embodiment adopt commercially available diameter, and antenna plate 12 each angles are installed on each node of antenna back frame 4 grid structures with securing member, are assembled into rectangle primary reflection surface 1.Antenna back frame 4 usefulness securing members are fixed on the antenna holder 5, antenna holder 5 embodiment adopt the angle steel material of commercially available 40 * 40 millimeters specifications to be mounted to support frame structure, the grid structure of entire antenna back of the body frame 4 is fixed on the framework of antenna holder 5 with securing member, supporting antenna back of the body frame 4, antenna holder 5 bottoms are fixed on the chassis 10 with securing member, and embodiment chassis 10 adopts the steel plate materials machine work of three block size differences, 10 millimeters thick to be made.Chassis 40 millimeters thick anchor bolts of 10 usefulness diameters are cast on the ground with cement again during installation, and fixedly the entire antenna support 5.
The utility model feed track plate 6 usefulness securing members are fixed on the track support 9, and track support 9 usefulness securing members are fixed on the chassis 11, and track support 9 lower ends are fixed on the chassis 11 with securing member.Embodiment feed track plate 6 adopt the steel plate machining of commercially available 5 millimeters thick grow up * wide be 1500 * 1000 millimeters feed track plate 6, keeping flat installation is fixed on the track support 9 with securing member, feedforward feed 2, double-reflecting face 3 numbers of installing on feed track plate 6 are many more, and then its physical dimension is big more.Track support 9 embodiment adopt the angle steel material mechanical of commercially available 40 * 40 millimeters specifications to be processed into frame structure.The bottom is fixed on the chassis 11 with securing member.Embodiment chassis 11 adopt two block lengths * wide be 1400 * 50 millimeters, thick be that 10 millimeters steel plate materials machining is made, chassis 30 millimeters thick anchor bolts of 11 usefulness diameters water on the ground the frame structure of trapped orbit support 9 again during installation with cement.
The utility model feed track 7 is processed garden arc groove structure on feed track plate 6, it is 10 millimeters garden arc groove that embodiment feed track 7 is processed into groove width.Its effect is fixed installation feedforward feed 2 or double-reflecting face 3.Garden arc groove makes feedforward feed 2 or double-reflecting face 3 can keep well focusing on rectangle primary reflection surface 1.Feedforward feed 2 usefulness securing members are fixed on the feedforward support 8, feedforward support 8 usefulness securing members be fixed in feed track 7 grooves and feed track plate 6 on, feedover support 8 of embodiment adopts the steel plate of commercially available 4 millimeters thick to be machined into L type structure, the bottom is fixed in feed track 7 grooves with securing member, feedforward feed 2 is supported with geometrical clamp in top, feedforward feed 2 horn mouths and rectangle primary reflection surface 1 relative fixed are installed, the utility model feedforward feed 2 constitutes by 2 to 16, generally when hanging down the 4GHz left and right sides, adopt communication frequency feedforward feed 2 just can reach good multi-beam communication, embodiment adopts three feedforward feeds 2 to constitute, parallel construction is installed in feed track 7 grooves, form 3 wave beam communications, receive the channel of three satellites simultaneously, feedover feed 2 of embodiment adopts the feed of homemade high-performance corrugated horn structure to make.For the feed 2 that prevents to feedover blocks wave beam, feedforward feed 2 is installed in rectangle primary reflection surface 1 the place ahead downside.
The utility model double-reflecting face 3 usefulness securing members be fixed in feed track 7 grooves and feed track plate 6 on, double-reflecting face 3 is installed with rectangle primary reflection surface 1 relative fixed, relative fixed is installed in rectangle primary reflection surface 1 the place ahead downside, prevents that the feed 15 of double-reflecting face 3 from blocking wave beam.The utility model double-reflecting face 3 is made of subreflector 13, subreflector support 14, feed 15, feed support 16, base plate 17.Wherein subreflector 13 usefulness securing members are fixed on the subreflector support 14, feed 15 usefulness securing members are fixed on the feed support 16, the aluminium sheet of embodiment subreflector 13 usefulness 2 millimeters thick carries out the excipient stretching and forms, its diameter is 50 millimeters, subreflector support 14 supports subreflector 13, and subreflector 13 and primary reflection surface 1 relative fixed are installed.Embodiment feed 15 adopts homemade high-performance corrugated horn structure fabrication.Feed support 16 supports feed 15, the horn mouth and subreflector 13 relative fixed of feed 15 are installed, for preventing that feed 15 from blocking wave beam, subreflector 13 is installed in rectangle primary reflection surface 1 the place ahead to downside with feed 15, general at the higher Ku wave band of communication frequency, 12 to 14GHz adopt the multi-beam communication of double-reflecting face 3 structures, and double-reflecting face 3 constitutes by 2 to 16, promptly multipotency forms 16 wave beams, minimumly can form 2 wave beams.Embodiment adopts three double-reflecting faces 3 to constitute, and is installed in rectangle primary reflection surface 1 the place ahead side by side to downside, can communicate three satellites simultaneously.This practical feedforward feed 2, double-reflecting face 3 can be reported to the leadship after accomplishing a task and be installed in feed track 7 grooves side by side and on the feed track plate 6, realize the multi-beam communication to the height frequency range.To be installed in the distance of rectangle primary reflection surface 1 the place ahead between downside be that wave beam Frequency Design according to communication satellite forms for feed 2, double-reflecting face 3 before the embodiment.
The utility model subreflector support 14, feed support 16 is fixed on base plate 17 both ends of the surface with securing member respectively, base plate 17 usefulness securing members be fixed in feed track 7 grooves and feed track plate 6 on, embodiment subreflector support 14, feed support 16 adopts the steel plate of commercially available 3 millimeters thick to be machined into support frame structure, L shaped structure is processed in the lower end, be used for supporting subreflector 13 and feed 15, base plate 17 adopt the steel plate machining of commercially available 5 millimeters thick grow up * wide be 900 * 300 millimeters steel plate, subreflector support 14 is installed at base plate 17 two ends, feed support 16, the processing diameter is 2 holes of 10 millimeters on base plate 17, with bolt and nut base plate 17 be fixedly mounted in feed track 7 grooves with feed track plate 6 on.The installation base plate 17 of each subreflector 13 of embodiment, feed 15 is installed in feed track 7 grooves of feed track plate 6 side by side.
Ratio 〉=5 of the diameter Ds/ λ operation wavelength of the utility model subreflector 13, the azimuth plane of its effect assurance primary reflection surface is followed the tracks of adjacent two secondary faces and is not collided, to avoid serious diffraction phenomenon.
The concise and to the point operation principle of the utility model, when the antenna received signal, received multi-satellite signal electromagnet ripple enters rectangle primary reflection surface 1, by rectangle primary reflection surface 1 parabolic torus reflect focalization, the wave beam focus reflection of different satellites is to feed 2 or the double-reflecting face 3 of feedovering, the signal of communication of each feedover feed 2 or double-reflecting face 3 corresponding satellites, feedforward feed 2 or double-reflecting face 3 are converted into the signal of telecommunication to the electromagnetic wave signals that receive and import the communication of respective receiver realization multi-beam respectively.
Claims (5)
1. multibeam parabolic torus antenna of forming by antenna back frame (4), antenna holder (5), feedforward support (8), track support (9), chassis (10), (11), it is characterized in that rectangle primary reflection surface (1), feedforward feed (2), double-reflecting face (3), feed track plate (6), feed track (7) are formed in addition, wherein rectangle primary reflection surface (1) is fixed on the antenna back frame (4) with securing member, antenna back frame (4) is fixed on the antenna holder (5) with securing member, and antenna holder (5) bottom is fixed on the chassis (10) with securing member; Feed track plate (6) is fixed on the track support (9) with securing member, track support (9) is fixed on the chassis (11) with securing member, feed track (7) is gone up processing garden arc shaped groove structure at feed track plate (6), feedforward feed (2) is fixed on the feedforward support (8) with securing member, feedforward support (8) be fixed in feed track (7) groove with securing member and feed track plate (6) on, double-reflecting face (3) be fixed in feed track (7) groove with securing member and feed track plate (6) on, feedforward feed (2), double-reflecting face (3) is installed with rectangle primary reflection surface (1) relative fixed, feedforward feed (2), double-reflecting face (3) is fixedly mounted on rectangle primary reflection surface (1) the place ahead downside.
2. multibeam parabolic torus antenna according to claim 1, it is characterized in that rectangle primary reflection surface (1) is made of the square antenna plate of 2 to 32 block lengths (12) by 1 to 10 layer, every layer, wherein each four angle of 1 to 10 layer, every layer 2 to 32 antenna plate (12) are fixed on the antenna back frame (4) with securing member respectively, and rectangle primary reflection surface (1) constitutes the parabolic torus structure.
3. multibeam parabolic torus antenna according to claim 1 and 2, it is characterized in that feedovering feed (2) or double-reflecting face (3) constitutes by 2 to 16, wherein 2 to 16 feedforwards feeds (2) or double-reflecting faces (3) are fixed in feed track (7) groove with the securing member parallel construction respectively and on the feed track plate (6), feedforward feed (2) horn mouth and the installation of rectangle primary reflection surface (1) relative fixed.
4. multibeam parabolic torus antenna according to claim 3, it is characterized in that double-reflecting face (3) is by subreflector (13), subreflector support (14), feed (15), feed support (16), base plate (17) constitutes, wherein subreflector (13) is fixed on the subreflector support (14) with securing member, feed (15) is fixed on the feed support (16) with securing member, subreflector support (14), feed support (16) is fixed on base plate (17) both ends of the surface with securing member respectively, base plate (17) be fixed in feed track (7) groove with securing member and feed track plate (6) on, feed (15) is installed with subreflector (13) relative fixed, and subreflector (13) is installed with primary reflection surface (1) relative fixed.
5. multibeam parabolic torus antenna according to claim 4 is characterized in that paying ratio 〉=5 of the diameter Ds/ λ wavelength of reflecting surface (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242196 CN2389425Y (en) | 1999-09-02 | 1999-09-02 | Multiple wave beam receiving paraboloid antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242196 CN2389425Y (en) | 1999-09-02 | 1999-09-02 | Multiple wave beam receiving paraboloid antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2389425Y true CN2389425Y (en) | 2000-07-26 |
Family
ID=34028904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99242196 Expired - Fee Related CN2389425Y (en) | 1999-09-02 | 1999-09-02 | Multiple wave beam receiving paraboloid antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2389425Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994570A (en) * | 2014-05-29 | 2014-08-20 | 东辉休闲运动用品(上海)有限公司 | Multilayer heating unit PTC heater |
| CN105501471A (en) * | 2015-12-16 | 2016-04-20 | 上海卫星工程研究所 | Configuration of satellite loaded with large deployable antenna with double reflecting surfaces |
-
1999
- 1999-09-02 CN CN 99242196 patent/CN2389425Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994570A (en) * | 2014-05-29 | 2014-08-20 | 东辉休闲运动用品(上海)有限公司 | Multilayer heating unit PTC heater |
| CN105501471A (en) * | 2015-12-16 | 2016-04-20 | 上海卫星工程研究所 | Configuration of satellite loaded with large deployable antenna with double reflecting surfaces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |