CN106602207A - Quadrangular modularized deployable parabolic cylinder antenna - Google Patents
Quadrangular modularized deployable parabolic cylinder antenna Download PDFInfo
- Publication number
- CN106602207A CN106602207A CN201611087678.3A CN201611087678A CN106602207A CN 106602207 A CN106602207 A CN 106602207A CN 201611087678 A CN201611087678 A CN 201611087678A CN 106602207 A CN106602207 A CN 106602207A
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- exhibition
- net
- antenna
- support unit
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/085—Flexible aerials; Whip aerials with a resilient base
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The invention discloses a quadrangular modularized deployable parabolic cylinder antenna, and mainly solves the problem that the synchronism of a present modularized antenna is hard to ensure. The antenna comprises a cable network structure (1), a deploying support structure (2), supporting columns (3) and a metal reflection net (4); the deploy supporting structure is formed by splicing basic deploying support modules (8) via splicing devices (9), and each basic deploying support module is formed by four basic deploying support units orthogonal with one another; the metal reflection net and the supporting columns are positioned on and under the cable network structure respectively; and the deploying support structure is positioned under the support columns, when the deploying support structure is deployed completely, the upper surface of the cable network structure is unfolded to form a parabolic cylinder shape (5), and two coaxial cylindrical surfaces (6) and (7) are formed in the upper and lower surfaces of each basic deploying support module respectively. The antenna of the invention is high in the deploying synchronism and small in the folded size, and a large and light spatially deployable antenna can be realized.
Description
Technical field
The invention belongs to deployable antenna technical field, and in particular to a kind of deployable parabolic-cylinder antenna, can be used to move
Dynamic communication, satellite communication, electronic reconnaissance, earth observation, land remote sensing and survey of deep space.
Background technology
With flourishing for space science technical field, the Satellite Communication System of higher precision higher efficiency is designed
Demand was increased severely with day.Wherein, " eyes " and " ear " of the antenna as system, its structural behaviour is Vanguard satellite communication system
Basis and premise.In order to meet multiband, powerful requirement, antenna develops to heavy caliber, high-profile precision.By carrying space
With the restriction of ability, lighting, can to take down the exhibits be the inexorable trend of large-scale antenna, and modularity deployable antenna is exactly one of which
Has very much potential version.
" modularity " this concept has been applied on the rotary parabolic surface antenna with rotationally symmetrical property, most typical
It is " the six prism modularitys " deployable antenna carried on Japanese ETS-VIII satellites, is currently under in-orbit service state.
ETS-VIII antennas are spliced by 19 modules, and each module is made up of the basic rib unit of six structure identicals, is had
The characteristics of meeting heavy caliber, draw small volume, type face high precision in.Rotary parabolic surface antenna has " single shaft " rotational symmetric spy
Point, all modules have same focus, so as to ensure that it geometrically has sports coordination.But for rotary shaft
With axis of symmetry " twin shaft " symmetric property and for focus is the parabolic-cylinder antenna of a straight line, " six prism modularitys " either exists
Splice and all there is fatal defect on exercise performance of still taking down the exhibits, be mainly shown as:First, it is impossible to complete with rotational symmetric module
Into splicing;Second, in six prisms, at least four moving cells are not parallel with rotary shaft and axis of symmetry, exist in splicing
Splicing gap, and the Kinematic Decomposition during cannot realizing launching ensures the sports coordination of two axles, causes in the process of taking down the exhibits
In it is stuck.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of deployable parabolic of quadrangular modularity is proposed
Cylinder antenna, it is seamless spliced between module and module to realize, and ensure that antenna is drawing in and the motion association during expansion
Tonality.
Realize that the object of the invention technology design is:According to parabolic-cylinder antenna twin shaft symmetry, using quadrangular module spliced
The mode for connecing realizes " modularity " of parabolic cylinder, and rolls over substantially exhibition support unit as the one of quadrangular module using tetragon
Individual elementary cell, to realize the expansion and gathering of antenna.
The deployable parabolic-cylinder antenna of quadrangular modularity of the present invention, including cable net structure, folding exhibition supporting construction, support
Column and metallic reflection net, metallic reflection net and support post are located above and below cable net structure respectively, and folding exhibition supports knot
Structure is located at the lower section of support post, it is characterised in that:
Described folding exhibition supporting construction, is rolled over substantially exhibition supporting module by several and is spliced by splicing apparatus, each
Substantially folding exhibition supporting module, rolls over exhibition support unit and two four be distributed along xz axles substantially by two tetragons along the distribution of yz axles
Support unit is mutually orthogonal forms for the exhibition of rolling over substantially of side shape;
After folding exhibition supporting construction is launched in place, the upper surface of cable net structure opens into cylindrical parabolic shape, and in each basic folding
The upper and lower surface of exhibition supporting module forms two coaxial circles cylinders of different sizes respectively.
Preferably, each described roll over substantially exhibition supporting module in four tetragons roll over substantially exhibition support unit by
Top boom, lower boom, outer bar, diagonal web member and center-pole are constituted, and center-pole is that four tetragons roll over exhibition support unit substantially
Joint use pole, is provided with driving source on the center-pole, for simultaneously drive four tetragons roll over substantially the gathering of exhibition support unit with
Launch.
Preferably, it is described each roll over substantially exhibition supporting module in along yz axles distribution tetragon roll over substantially exhibition support unit
Outer bar be respectively less than 90 ° with the angle of top boom and lower boom respectively;Tetragon along the distribution of xz axles rolls over exhibition support unit substantially
Outer bar it is vertical with top boom and lower boom respectively;And four the basic top booms for rolling over exhibition support units, lower boom and oblique abdomens
Pole length is identical.
Preferably, the cable net structure is made up of several basic rope net units, before each basic rope net unit includes
Rope net, dorsal funciculus net and side tension cords, dorsal funciculus net are located at provinculum side off the net, are connected by side tension cords, shape between provinculum net and dorsal funciculus net
Into double-deck cable net structure.
Preferably, the splicing apparatus is connected in outer bar, and the tetragon exhibition of rolling over substantially along the distribution of yz axles supports single
The outer bar and splicing apparatus of unit can be slided relatively along z-axis, for guaranteeing to roll over freely drawing in and expansion for exhibition supporting construction.
The present invention is had the advantage that compared with prior art:
1. the present invention has the symmetric feature of twin shaft according to parabolic-cylinder antenna, adopts " quadrangular modularity ", is justifying
Design folding exhibition supporting construction on cylinder, and above the face of cylinder, adopt double-deck cable net structure to open into parabolic cylinder with support wire
Net reflecting surface, it is ensured that the synchronicity and reliability of the globality of day splicing and motion of taking down the exhibits.
2. the folding exhibition supporting construction of the present invention is rolled over substantially exhibition supporting module by several and is spliced by splicing apparatus, and
Substantially the outer bar and splicing apparatus for rolling over exhibition support unit along the tetragon of xz axles distribution can be along the relative slip of z-axis, it is ensured that folding
Open up freely drawing in and expansion for supporting construction.Each is rolled over substantially exhibition supporting module and is rolled over by two tetragons along the distribution of yz axles substantially
Support unit is mutually orthogonal forms for exhibition support unit and two tetragon exhibitions of rolling over substantially along the distribution of xz axles.
Description of the drawings
Fig. 1 is the overall deployed configuration schematic diagram of the present invention;
Fig. 2 is the structural representation that the basic folding in the present invention opens up supporting module;
Fig. 3 is the close-up schematic view of Fig. 2;
Fig. 4 is the cable net structure schematic diagram in the present invention;
Fig. 5 is the structural representation of basic rope net unit in the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the invention will be further described:
With reference to Fig. 1, the present invention includes cable net structure 1, folding exhibition supporting construction 2, support post 3 and metallic reflection net 4.Metal
Reflector net 4 and support post 3 are located above and below cable net structure 1 respectively, and support post 3 is vertically fixed on folding exhibition and supports knot
On structure 2, with folding exhibition 2 common support cable mesh structure 1 of supporting construction and metallic reflection net 4.Folding exhibition supporting construction 2 is basic by several
Folding exhibition supporting module 8 is spliced by splicing apparatus 9, and when antenna launches, each is rolled over substantially exhibition supporting module 8 and is deployed into
Behind position, its upper and lower surface forms two coaxial circles cylinders 6 and 7 of different sizes respectively.
With reference to Fig. 2 and Fig. 3, it is to roll over substantially exhibition by two tetragons along the distribution of yz axles that each rolls over exhibition supporting module 8 substantially
Support unit 21 and two tetragons along the distribution of xz axles are rolled over substantially exhibition support unit 22 and are constituted;The exhibition of rolling over substantially of each tetragon
Support unit is constituted by top boom 201, lower boom 202, outer bar 203, diagonal web member 204 and center-pole 205, and center-pole 205 is
Four tetragons roll over the joint use pole of exhibition support unit substantially, and driving source 206 is provided with the center-pole 205, and driving source 206 is bullet
Spring slide block, the slide block are moved up and down along center-pole 205, while driving four tetragons to roll over substantially the expansion of exhibition support unit and receive
Hold together;Each tetragon rolls over top boom 201, lower boom 202, outer bar 203, diagonal web member 204 and the center opened up in support unit substantially
It is connected with each other by hinge 10 between bar 205 respectively, to ensure to relatively rotate between each bar.
Each tetragon to be rolled over substantially and be connected with splicing apparatus 9 in the outer bar 203 of exhibition support unit, for being distributed along yz axles
The tetragon exhibition of rolling over substantially support unit and the tetragon being distributed along xz axles roll over substantially and open up support unit and spliced, and make along yz
The tetragon of axle distribution is rolled over substantially outer bar and the splicing apparatus 9 of exhibition support unit and can be slided along z-axis is relative, to guarantee that folding opens up support
Structure 2 freely draw in launch;
Each roll over substantially exhibition supporting module 8 in along yz axles distribution tetragon roll over substantially exhibition support unit 21 outer bar with it is upper
Angle between chord member and lower boom is respectively less than 90 °;Substantially the outer bar for rolling over exhibition support unit 22 along the tetragon of xz axles distribution is equal
It is vertical with top boom and lower boom;This four the basic top booms 201 for rolling over exhibition support units, lower boom 202 and diagonal web members 204 are grown
Degree is identical;
With reference to Fig. 4 and Fig. 5, cable net structure 1 is made up of several basic rope net units 11, each basic rope net unit 11 by
Provinculum net 110, dorsal funciculus net 111 and side tension cords 112 are constituted, and dorsal funciculus net 111 is located at below provinculum net 110, provinculum net 110 and dorsal funciculus
On net 111, each corresponding node is connected by a side tension cords 112, is provided downwards for provinculum net 110 by side tension cords 112
Power;
Basic rope net unit 11 is supported in basic folding exhibition supporting module 8 by support post 3, antenna upon deployment, each
Basic rope net unit 11 launches under the drive of support post 3;After launching in place, provinculum net and dorsal funciculus net form double-layer cable net knot
Structure, and provinculum net opens into cylindrical parabolic shape 5;Support post 3 band of the antenna when drawing in, above basic folding exhibition supporting module 8
To middle gathering, after the completion of gathering, basic rope net unit 11 draws in basic folding exhibition supporting module 8 dynamic basic rope net unit 11
Top.
Claims (5)
1. the deployable parabolic-cylinder antenna of a kind of quadrangular modularity, including cable net structure (1), folding exhibition supporting construction (2), support
Column (3) and metallic reflection net (4), metallic reflection net (4) and support post (3) respectively positioned at cable net structure (1) top and
Lower section, lower section of folding exhibition supporting construction (2) positioned at support post (3), it is characterised in that:
Described folding exhibition supporting construction (2), is rolled over substantially exhibition supporting module (8) by several and is spliced by splicing apparatus (9),
Each rolls over exhibition supporting module (8) substantially, rolls over substantially exhibition support unit (21) and two edges by two tetragons along the distribution of yz axles
The tetragon of xz axles distribution is rolled over substantially exhibition support unit (22) and mutually orthogonal is formed;
After folding exhibition supporting construction (2) launches in place, the upper surface of cable net structure (1) opens into cylindrical parabolic shape (5), and in each base
The upper and lower surface of this folding exhibition supporting module (8) forms two coaxial circles cylinders (6) of different sizes and (7) respectively.
2. antenna as claimed in claim 1, it is characterised in that:Each rolls over four tetragons in exhibition supporting module (8) substantially
Basic folding exhibition support unit is by top boom (201), lower boom (202), outer bar (203), diagonal web member (204) and center-pole
(205) constitute, and center-pole (205) is that four tetragons roll over the joint use pole for opening up support unit substantially, the center-pole is set on (205)
Driving source (206) is equipped with, for driving four tetragons to roll over substantially the gathering of exhibition support unit and launch simultaneously.
3. antenna as claimed in claim 2, it is characterised in that:What each was distributed along yz axles in rolling over substantially exhibition supporting module (8)
Tetragon is rolled over substantially the outer bar angle respectively between top boom and lower boom of exhibition support unit (21) and is respectively less than 90 °;Along xz
The outer bar that the tetragon of axle distribution rolls over exhibition support unit (22) substantially is vertical with top boom and lower boom respectively;And four basic
The top boom (201) of folding exhibition support unit, lower boom (202) are identical with diagonal web member (204) length.
4. antenna as claimed in claim 1, it is characterised in that:Cable net structure (1) is by several basic rope net unit (11) structures
Into each basic rope net unit (11) is including provinculum net (110), dorsal funciculus net (111) and side tension cords (112), dorsal funciculus net (111) position
Below provinculum net (110), connected by side tension cords between provinculum net and dorsal funciculus net, form double-deck cable net structure.
5. antenna as claimed in claim 1 or 2, it is characterised in that:Splicing apparatus (9) is connected in outer bar (203), and along yz
The tetragon of axle distribution rolls over the outer bar and splicing apparatus of exhibition support unit substantially can be along the relative slip of z-axis, for guaranteeing folding exhibition
Supporting construction (2) freely draw in launch.
Priority Applications (1)
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CN201611087678.3A CN106602207B (en) | 2016-12-01 | 2016-12-01 | The deployable parabolic-cylinder antenna of quadrangular modularization |
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CN201611087678.3A CN106602207B (en) | 2016-12-01 | 2016-12-01 | The deployable parabolic-cylinder antenna of quadrangular modularization |
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CN106602207B CN106602207B (en) | 2019-04-23 |
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CN201611087678.3A Active CN106602207B (en) | 2016-12-01 | 2016-12-01 | The deployable parabolic-cylinder antenna of quadrangular modularization |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107436978A (en) * | 2017-07-26 | 2017-12-05 | 西安电子科技大学 | A kind of design method of the netted deployable antenna of parabolic cylinder based on Modularized splice thought |
CN107482322A (en) * | 2017-07-26 | 2017-12-15 | 西安电子科技大学 | A kind of deployable parabolic-cylinder antenna based on tension structure |
CN109524791A (en) * | 2018-10-31 | 2019-03-26 | 西安电子科技大学 | A kind of deployable parabolic-cylinder antenna of novel peripheral truss-like |
CN113540744A (en) * | 2021-07-05 | 2021-10-22 | 西安电子科技大学 | Framework type expandable antenna module connecting device |
CN114256604A (en) * | 2021-12-09 | 2022-03-29 | 上海宇航系统工程研究所 | Parabolic cylinder antenna based on triangular prism foldable unit |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107436978A (en) * | 2017-07-26 | 2017-12-05 | 西安电子科技大学 | A kind of design method of the netted deployable antenna of parabolic cylinder based on Modularized splice thought |
CN107482322A (en) * | 2017-07-26 | 2017-12-15 | 西安电子科技大学 | A kind of deployable parabolic-cylinder antenna based on tension structure |
CN107482322B (en) * | 2017-07-26 | 2020-03-17 | 西安电子科技大学 | Expandable parabolic cylinder antenna based on tension structure |
CN107436978B (en) * | 2017-07-26 | 2020-10-02 | 西安电子科技大学 | Design method of parabolic cylinder net-shaped deployable antenna based on modular splicing idea |
CN109524791A (en) * | 2018-10-31 | 2019-03-26 | 西安电子科技大学 | A kind of deployable parabolic-cylinder antenna of novel peripheral truss-like |
CN113540744A (en) * | 2021-07-05 | 2021-10-22 | 西安电子科技大学 | Framework type expandable antenna module connecting device |
CN113540744B (en) * | 2021-07-05 | 2022-06-24 | 西安电子科技大学 | Framework type expandable antenna module connecting device |
CN114256604A (en) * | 2021-12-09 | 2022-03-29 | 上海宇航系统工程研究所 | Parabolic cylinder antenna based on triangular prism foldable unit |
CN114256604B (en) * | 2021-12-09 | 2024-04-16 | 上海宇航系统工程研究所 | Parabolic cylinder antenna based on triangular prism foldable unit |
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