CN106229604A - A kind of large-scale two-stage telescopic circular flat antenna - Google Patents
A kind of large-scale two-stage telescopic circular flat antenna Download PDFInfo
- Publication number
- CN106229604A CN106229604A CN201610835604.7A CN201610835604A CN106229604A CN 106229604 A CN106229604 A CN 106229604A CN 201610835604 A CN201610835604 A CN 201610835604A CN 106229604 A CN106229604 A CN 106229604A
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- China
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- antenna
- connecting rod
- outside plate
- inner panel
- folding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
Abstract
The present invention discloses a kind of large-scale two-stage telescopic circular flat antenna, is radially divided into three layers, the most respectively the antenna plate heart, inner panel and outside plate;Antenna inner panel and antenna outside plate are circumferentially distributed along the antenna plate heart, position one_to_one corresponding;Making corresponding antenna inner panel and outside plate is one group of Anneta module, and two groups of adjacent Anneta module structures are as one group of exhibition folding module;Often group exhibition folding module is installed on a set of automatic folding mechanism, controls the gathering between the antenna inner panel of two groups of exhibition folding modules in exhibition folding module and outside plate and expansion by automatic folding mechanism;In the most adjacent exhibition folding module, be connected by ball pivot between adjacent antenna outside plate, it is achieved draw between two groups of exhibition antenna inner panels of folding modules and outside plate with launch while, the folding between antenna inner panel and between outside plate with open;Advantages of the present invention is: have big shrinkage ratio, greatly improves work efficiency and space availability ratio;And processing, easy to maintenance, adaptable, low cost.
Description
Technical field
The invention belongs to wireless communication field, relate to a kind of flat plane antenna, specifically, be a kind of large-scale two-stage telescopic
Circular flat antenna.
Background technology
Along with society's electronic technology, the more small-bore antenna of development of space communication cannot meet radio detection, electricity
Son interference, the demand of electronic attack radar antenna.Ground medium-long range wireless exploration, electronic interferences, electronic attack military radar are
Extensively apply the antenna of larger caliber, and develop towards high maneuverability and rapid-action direction.Ground medium-long range wireless exploration,
The antenna apertures such as electronic interferences, electronic attack military radar are excessive, antenna must carry out modularized processing, could meet fortune
Defeated, the requirement of debugging.If large-scale antenna can not realize automatically stretching and shrinking, modular large-scale antenna makes use in entrance
Substantial amounts of man power and material must be spent behind ground to remove assembled antenna.So, not only waste the substantial amounts of time, and repeatedly
During assembly, the parabola precision of antenna cannot ensure.China's modularity large aperture antenna has been used up crane in the past and adds people
Work mode is spliced, and the assembly carrying out a heavy caliber circular antenna in the wild at least needs 1 day time, and 6-8 people is the most extra
Needing a crane, remove one large-scale circular antenna of receipts and be also required to identical manpower and materials and financial resources, this present situation the most far away cannot
Satisfy social needs.
Summary of the invention
The invention aims to solve existing large-scale flat plane antenna and during transport is deposited, take up an area space greatly, tear open
Unload loaded down with trivial details with assembly technology, simultaneously during antenna Reusability, the problems such as precision regulation is poor, regulating cycle length, propose
One has big shrinkage ratio, the large-scale two-stage telescopic circular flat antenna of modularized design.
A kind of large-scale two-stage telescopic circular flat antenna, is radially divided into three-decker, the most respectively antenna
The plate heart, antenna inner panel and antenna outside plate;Antenna inner panel and antenna outside plate are circumferentially distributed along the antenna plate heart, position one_to_one corresponding.
Making corresponding antenna inner panel and antenna outside plate is one group of Anneta module, and two groups of adjacent Anneta module structures are as one
Group exhibition folding module.Often group exhibition folding module is installed on a set of automatic folding mechanism, by automatic folding mechanism control
Gathering between two groups of antenna inner panels opening up folding modules and antenna outside plate and expansion in exhibition folding module;The most adjacent exhibition
In folding module, between adjacent antenna outside plate by ball pivot be connected, it is achieved two groups exhibition folding modules antenna inner panel with
Draw between antenna outside plate with launch while, the folding between antenna inner panel and between antenna outside plate with open;And whole antenna inner panels
Time fully deployed with antenna outside plate, antenna inner panel, antenna outside plate and antenna plate collectively form unitary circular structure in the heart.
It is an advantage of the current invention that:
1, the present invention large-scale two-stage telescopic circular flat antenna, using modularized design is interior China and foreign countries three-deckers, logical
Cross and there is the automatic folding mechanism of one degree of freedom drive the gathering between three-decker and expansion, greatly improve work efficiency and
Space availability ratio;
2, the present invention large-scale two-stage telescopic circular flat antenna, has big shrinkage ratio;
3, the present invention large-scale two-stage telescopic circular flat antenna, processing, easy to maintenance, adaptable, low cost;
4, in the present invention large-scale two-stage telescopic circular flat antenna, antenna inner panel and antenna outside plate are along the circular antenna plate heart
It is uniformly distributed, makes whole matrix uniform force, when in antenna inner panel or antenna outside plate, any one breaks down or detachable maintaining
Time, other antenna inner panels are the most unaffected with antenna outside plate.
Accompanying drawing explanation
Fig. 1 is the present invention large-scale two-stage telescopic circular flat antenna deployed condition inside structure schematic diagram;
Fig. 2 is the present invention large-scale two-stage telescopic circular flat antenna rounding state structural representation;
Automatic folding mechanism schematic diagram when Fig. 3 is the expansion of the present invention large-scale two-stage telescopic circular flat antenna;
Automatic folding mechanism schematic diagram when Fig. 4 is the gathering of the present invention large-scale two-stage telescopic circular flat antenna.
In figure:
1-antenna plate heart 2-antenna inner panel 3-antenna outside plate
4-automatic folding mechanism 5-antenna back frame 6-ball pivot
401-first connecting rod 402-second connecting rod 403-third connecting rod
404-fourth link 405-the 5th connecting rod 406-six-bar linkage
407-slide block 408-set square 501-backboard
502-truss
Detailed description of the invention
The present invention is described in further detail by lower combination accompanying drawing.
The present invention large-scale two-stage telescopic circular flat antenna, is radially divided into three-decker, the most respectively sky
The line plate heart 1, antenna inner panel 2 and antenna outside plate 3, as shown in Figure 1 and Figure 2.Antenna inner panel 3 and sky is controlled by automatic folding mechanism 4
Between line outside plate 4, and the gathering between antenna inner panel 3 and the antenna plate heart 1 and expansion, and adjacent antenna inner panel 3 and antenna outside plate 4
Folding with open.
Described antenna inner panel 2 and antenna outside plate 3 are sector structure, and are n, and n is positive integer, 9≤n≤24,
In the present invention, preferred n is 24.N antenna inner panel 2 and antenna outside plate 3, carried out by the circular antenna panel that pair radius is 13 meters
Cutting is formed;First by circular slab radially trisection cutting, internal layer center circle is obtained, and middle level annular slab and outer annular
Plate, wherein, internal layer center circle is the antenna plate heart 1, diameter 3 meters;Middle level annular slab race diameter 9 meters;Subsequently to middle level annular
Plate circumferences etc. point 24 parts obtain 24 fanning strips, are 24 antenna inner panels 2;24 parts are divided equally to outer layer annular slab circumference etc.,
Obtain 24 fanning strips, be 24 antenna outside plates 3.On antenna inner panel 2 and antenna outside plate 3 inwall, antenna back frame 5 is installed, uses
Keep rigidity and the shape of antenna inner panel 2 entirety.Antenna back frame 5 includes backboard 501 and truss 502;Wherein, backboard 501 is solid
Due to antenna inner panel 2 and antenna outside plate 3 inwall, its dual-side flushes with the dual-side of antenna inner panel 2 and antenna outside plate 3;Truss
502 being radially arranged along antenna inner panel 2 and antenna outside plate 3, are fixedly installed on backboard 501.Outside above-mentioned antenna inner panel 2 is with antenna
Plate 3 circumference is upper uniform, and position one_to_one corresponding.
Making corresponding antenna inner panel 2 is one group of Anneta module with antenna outside plate 3, then telescopic circular flat antenna circumference
On there are 24 groups of Anneta modules;And make adjacent two group Anneta module structure as one group of exhibition folding module;Then telescopic is circular
There are in flat plane antenna circumference 12 groups of exhibition folding modules;Often group exhibition folding module is by a set of automatic folding installed in inner side
Folded mechanism 4, it is achieved the gathering of this exhibition folding module and expansion, as shown in Figure 3, Figure 4.
Described automatic folding mechanism 4 uses plane eight-linkage mechanism, has one degree of freedom, including first~six-bar linkage
401~406, slide block 407 and set square 408.Wherein, long 2 meters of first connecting rod 401, first connecting rod 401 is slidably fitted with slide block
407, form moving sets;The outfan of first connecting rod 401 is hinged with the input of second connecting rod 402, forms revolute pair.Second even
Long 2.95 meters of bar 402, the outfan of second connecting rod 402 is hinged with the input of third connecting rod 403, forms revolute pair, and the 3rd even
Bar length 1.95 meters.Long 1.3 meters of fourth link 404, the input of fourth link 404 is fixed on slide block 407;Fourth link 404
Outfan be articulated with in the middle part of second connecting rod 402, formed revolute pair.Long 2.2 meters of 5th connecting rod 405, the input of the 5th connecting rod 405
End is articulated with in the middle part of fourth link 404, forms revolute pair.The length of set square three limit L1, L2, L3 is respectively 0.5 meter, 0.9 meter
With 1.1 meters, the outfan of the 5th connecting rod 405 is hinged with the point of intersection of L1 and L3 in set square 408, formed revolute pair.6th even
A length of 2.2 meters of bar 406, the input of six-bar linkage 406 is hinged with the point of intersection of L1 and L2 in set square 408, forms revolute pair;
The outfan of six-bar linkage 406 is hinged with the outfan of third connecting rod 403, forms revolute pair.L2 and L3 in above-mentioned set square 408
Point of intersection be articulated with on second connecting rod 402, hinged place is near the output end position of second connecting rod 402.
In exhibition folding module, backboard 501 relative side installed inside two adjacent antenna inner panels 2 is articulated with
On second connecting rod 402, form revolute pair;Backboard 501 relative side installed inside two adjacent antenna outside plates 3 is articulated with
On third connecting rod 403, form revolute pair.Thus, drive slide block 407 to slide along first connecting rod 401 by drive mechanism, can realize
The gathering of telescopic circular flat antenna and expansion.When driving slide block 407 towards telescopic circular flat antenna medial movement,
Second connecting rod 402 can be driven inwardly to rotate, it is achieved antenna inner panel 2 relative in the antenna plate heart 1 to gathering;Third connecting rod simultaneously
403 are turned out, it is achieved antenna outside plate, relative to the export-oriented gathering of antenna inner panel 2, completes to open up the gathering of folding module.When driving
During movable slider 407 side shifting outer towards telescopic circular flat antenna, second connecting rod 402 can be driven to be turned out, it is achieved antenna
Inner panel 2 is relative to the export-oriented expansion of the antenna plate heart 1;Third connecting rod 403 inwardly rotates simultaneously, it is achieved antenna outside plate 3 is relative to sky
Line inner panel 2 interior to expansion, completes to open up folding module and launches.On above-mentioned second connecting rod 402 with third connecting rod 403 junction,
Being provided with torsion spring, torsion spring two ends are fixing with second connecting rod and third connecting rod respectively to be connected, and is achieved in outside antenna inner panel 2 and antenna
The uniqueness of plate 3 folding direction.
Between exhibition folding module adjacent in 12 groups of exhibition folding modules in telescopic circular flat antenna circumference, phase
Adjacent antenna inner panel 2 is connected by ball pivot 6 with antenna outside plate 3 outboard end.Thus, folding the most automatically is driven by drive mechanism
Slide block synchronous slide in folded mechanism 4, can realize gathering and the expansion of telescopic circular flat antenna.At telescopic circular flat
During surface antenna draws in, the horizontal range of the ball pivot that adjacent exhibition folding module is connected to second connecting rod 402 constantly reduces, with
The circular radius of all ball pivots composition on circumference reduces the most therewith, now between two antenna inner panels 2 in exhibition folding module,
And two antenna outside plates 3 turn folding around second connecting rod 402 homophase;When telescopic circular flat antenna draws in completely, make
Circular antenna panel diameter collapses to 4 meters, and shrinkage ratio is between 3~4.During telescopic circular flat antenna launches, phase
The ball pivot that adjacent exhibition folding module is connected constantly increases, with all ball pivot groups on circumference to the horizontal range of second connecting rod 402
The circular radius become increases the most therewith, now between two antenna inner panels 2 in exhibition folding module, and two antenna outside plates 3
Rotate backward around second connecting rod 402 homophase and open;When telescopic circular flat antenna is fully deployed, all antenna inner panels 2, sky
The circular antenna panel of integral radius 13 meters is formed between line outside plate 3 and the antenna plate heart 1.
Claims (4)
1. one kind large-scale two-stage telescopic circular flat antenna, it is characterised in that: radially it is divided into three-decker, divides from the inside to the outside
Wei the antenna plate heart, antenna inner panel and antenna outside plate;Antenna inner panel and antenna outside plate are circumferentially distributed along the antenna plate heart, and position is one by one
Corresponding;Making corresponding antenna inner panel and antenna outside plate is one group of Anneta module, and two groups of adjacent Anneta module structures are as one group
Exhibition folding module;Often group exhibition folding module is installed on a set of automatic folding mechanism, controls exhibition by automatic folding mechanism
Gathering between two groups of antenna inner panels opening up folding modules and antenna outside plate and expansion in folding module;The most adjacent exhibition is received
Fold in module, be connected by ball pivot between adjacent antenna outside plate, it is achieved in antenna inner panel and the sky of two groups of exhibition folding modules
Draw between line outside plate with launch while, the folding between antenna inner panel and between antenna outside plate with open;And all antenna inner panel with
When antenna outside plate is fully deployed, antenna inner panel, antenna outside plate and antenna plate collectively form unitary circular structure in the heart.
A kind of large-scale two-stage telescopic circular flat antenna the most as claimed in claim 1, it is characterised in that: automatic folding mechanism is adopted
Use plane eight-linkage mechanism, there is one degree of freedom, including first~six-bar linkage, slide block and set square;Wherein, on first connecting rod
It is slidably fitted with slide block, forms moving sets;The outfan of first connecting rod is hinged with the input of second connecting rod, forms revolute pair;
The outfan of second connecting rod is hinged with the input of third connecting rod, forms revolute pair;The input of fourth link is fixed on slide block
On;The outfan of fourth link is articulated with in the middle part of second connecting rod, forms revolute pair;The input of the 5th connecting rod is articulated with the 4th even
In the middle part of bar, form revolute pair;The outfan of the 5th connecting rod is hinged with the A end of set square, forms revolute pair;The input of six-bar linkage
Hold hinged with the B end of set square, form revolute pair;The outfan of six-bar linkage is hinged with the outfan of third connecting rod, is formed and turns
Dynamic pair;The C end of set square is articulated with on second connecting rod, and hinged place is near the output end position of second connecting rod;At exhibition folding mould
In block, two adjacent antenna inner panel relative sides are articulated with on second connecting rod, form revolute pair;Two adjacent antenna outside plates
Relative side is articulated with on third connecting rod, forms revolute pair.
A kind of large-scale two-stage telescopic circular flat antenna the most as claimed in claim 1, it is characterised in that: antenna inner panel and antenna
On outside plate inwall, antenna back frame is installed.
A kind of large-scale two-stage telescopic circular flat antenna the most as claimed in claim 2, it is characterised in that: with on second connecting rod
Three connecting rod junctions, are provided with torsion spring, and torsion spring two ends are fixing with second connecting rod and third connecting rod respectively to be connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610835604.7A CN106229604B (en) | 2016-09-20 | 2016-09-20 | A kind of large size two-stage telescopic circular flat antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610835604.7A CN106229604B (en) | 2016-09-20 | 2016-09-20 | A kind of large size two-stage telescopic circular flat antenna |
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Publication Number | Publication Date |
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CN106229604A true CN106229604A (en) | 2016-12-14 |
CN106229604B CN106229604B (en) | 2019-03-12 |
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CN201610835604.7A Expired - Fee Related CN106229604B (en) | 2016-09-20 | 2016-09-20 | A kind of large size two-stage telescopic circular flat antenna |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107416232A (en) * | 2017-07-19 | 2017-12-01 | 浙江理工大学 | A kind of parabola petal type rolls over extending apparatus |
CN107768796A (en) * | 2017-09-25 | 2018-03-06 | 上海卫星工程研究所 | The deployable spaceborne parabola antenna of petal type |
CN112151930A (en) * | 2020-07-31 | 2020-12-29 | 天津大学 | Paraboloid structure with large folding-unfolding ratio |
CN113131172A (en) * | 2021-04-06 | 2021-07-16 | 北京理工大学 | Rope-driven foldable umbrella-shaped antenna |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61157103A (en) * | 1984-12-28 | 1986-07-16 | Nec Corp | Expansion type antenna reflecting mirror |
US20080291118A1 (en) * | 2007-05-24 | 2008-11-27 | Asc Signal Corporation | Segmented Antenna Reflector |
-
2016
- 2016-09-20 CN CN201610835604.7A patent/CN106229604B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61157103A (en) * | 1984-12-28 | 1986-07-16 | Nec Corp | Expansion type antenna reflecting mirror |
US20080291118A1 (en) * | 2007-05-24 | 2008-11-27 | Asc Signal Corporation | Segmented Antenna Reflector |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107416232A (en) * | 2017-07-19 | 2017-12-01 | 浙江理工大学 | A kind of parabola petal type rolls over extending apparatus |
CN107416232B (en) * | 2017-07-19 | 2023-05-16 | 浙江理工大学 | Parabolic petal type folding and unfolding device |
CN107768796A (en) * | 2017-09-25 | 2018-03-06 | 上海卫星工程研究所 | The deployable spaceborne parabola antenna of petal type |
CN112151930A (en) * | 2020-07-31 | 2020-12-29 | 天津大学 | Paraboloid structure with large folding-unfolding ratio |
CN112151930B (en) * | 2020-07-31 | 2021-11-02 | 天津大学 | Paraboloid structure with large folding-unfolding ratio |
CN113131172A (en) * | 2021-04-06 | 2021-07-16 | 北京理工大学 | Rope-driven foldable umbrella-shaped antenna |
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CN106229604B (en) | 2019-03-12 |
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