CN106785311B - Space based radar Foldable exhibition opens antenna reflective face folding exhibition structure - Google Patents
Space based radar Foldable exhibition opens antenna reflective face folding exhibition structure Download PDFInfo
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- CN106785311B CN106785311B CN201710100267.1A CN201710100267A CN106785311B CN 106785311 B CN106785311 B CN 106785311B CN 201710100267 A CN201710100267 A CN 201710100267A CN 106785311 B CN106785311 B CN 106785311B
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- Prior art keywords
- reflecting surface
- cross rib
- composite material
- telescopic column
- bistable state
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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
- H01Q1/081—Inflatable antennas
-
- 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
Abstract
A kind of space based radar Foldable exhibition opens antenna reflective face folding exhibition structure, belong to space based radar technical field, solve the problems, such as that existing foldable deployable antenna exists, it includes reflecting surface, cross rib, bistable state composite material telescopic column shell and auxiliary expansion inflation arm, reflecting surface is rectangular, a side surface of reflecting surface is provided with the cross rib that multiple tracks is arranged along the width direction of reflecting surface, cross rib is Nian Jie with reflecting surface, cross rib is hollow tubular structure, the cross rib surface Nian Jie with reflecting surface is plane, the cross rib surface opposite with reflecting surface gluing of surfaces is the cambered surface of indent；At least two bistable state composite material telescopic column shells, the both ends of bistable state composite material telescopic column shell are provided between every adjacent twice cross rib to be in contact with adjacent cross rib respectively；It is connected between two cross ribs on the outermost side by least two auxiliary expansion inflation arms in whole cross ribs；The present invention is used for space based radar.
Description
Technical field
The invention belongs to space based radar technical fields, and in particular to a kind of space based radar Foldable exhibition opens antenna reflective face folding
Open up structure.
Background technique
Space based radar can all weather operations, have a wide range of, high-precision detectivity, have optical system, ground
The ability that radar and airborne radar do not have；Due to many merits of space based radar, thus receive the extensive weight of numerous countries
Depending on research；For length direction up to hundred meters, the massive phased array flat plane antenna that area reaches hundreds of square metres is the important of space based radar
The area of component part, antenna is big, and length-width ratio is high, and for the ease of delivery, antenna must be crimped on ground and be folded, and is emitted to space
Reinflated work afterwards, existing foldable deployable antenna mainly have mechanical and two kinds of support expansion modes of inflatable, mechanically
Structure is complicated, and weight is larger, and being affected by temperature due to gas for inflatable is expanded with heat and contract with cold obvious, rear stability is unfolded
It is undesirable.
Summary of the invention
The purpose of the present invention is to solve the above problems existing for existing foldable deployable antenna, provide a kind of day
Base radar Foldable exhibition opens antenna reflective face folding exhibition structure, and its technical solution is as follows:
A kind of space based radar Foldable exhibition opens antenna reflective face folding exhibition structure, it includes that reflecting surface, cross rib, bistable state are multiple
Condensation material telescopic column shell and auxiliary expansion inflation arm, reflecting surface be it is rectangular, be provided in a side surface of reflecting surface more
The cross rib that road is arranged along the width direction of reflecting surface, cross rib is Nian Jie with reflecting surface, and cross rib is hollow tubular structure, horizontal
The surface Nian Jie with reflecting surface to rib is plane, and the cross rib surface opposite with reflecting surface gluing of surfaces is the cambered surface of indent, arc
The rigidity of cross rib not only can be improved in face, moreover it is possible to effectively reduce the folded volume of reflecting surface；It is lateral in every adjacent twice
At least two bistable state composite material telescopic column shells are provided between rib, bistable state composite material telescopic column shell is C-shaped cross
The cylindrical shell structure in section has rigid support ability, and can be along axis using the elastic telescopic composite material such as carbon fiber
To convolution, delivery can be folded with reflecting surface, the both ends of bistable state composite material telescopic column shell respectively with adjacent transverse direction
Rib is in contact, and the rigid support to reflecting surface is realized with bistable state composite material telescopic column shell and cross rib, keeps anti-
The intrinsic frequency in face is penetrated, while improving the surface precision of reflecting surface；Bistable state composite material telescopic column shell passes through aramid fiber rope
Come with aramid fabric Nian Jie with reflecting surface, muti-piece aramid fabric is set along aramid fiber rope, aramid fabric is arranged at intervals on opposite the two of aramid fiber rope
The midline position of side, aramid fabric is aligned with aramid fiber rope, and aramid fabric and aramid fiber rope suture connection and be bonded, and the total quantity of aramid fabric is
Odd number block, wherein the aramid fabric for being located at odd number is Nian Jie with reflecting surface, wherein being located at the aramid fabric and bistable state composite material of even number
Telescopic column shell bonding, aramid fiber rope is arranged between the aramid fabric of odd number and reflecting surface, while aramid fiber rope is also provided in place
Between the aramid fabric and bistable state composite material telescopic column shell of even number；Two transverse directions on the outermost side in whole cross ribs
By at least two auxiliary expansion inflation arm connections between rib, it is provided with end cap at the both ends of every auxiliary expansion inflation arm,
End cap is fixedly connected with corresponding cross rib, is folded before auxiliary expansion inflation arm inflation with reflecting surface, in bistable when expansion
Under the elastic potential energy and auxiliary expansion inflation arm aeration of state composite material telescopic column shell, driving reflecting surface is orderly opened up
It opens, auxiliary can be unfolded to inflation arm after reflecting surface expansion and deflated, matched by bistable state composite material telescopic column shell and cross rib
Close support reflecting surface.
It is big the invention has the benefit that having the function of the features such as telescopic, storage are than high, light weight, simple structure
Type phased array flat plane antenna provides a kind of new structure type.
Detailed description of the invention:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the schematic top plan view of Fig. 2；
Fig. 4 is the decomposition diagram of Fig. 2；
Fig. 5 is the attachment structure schematic diagram of bistable state composite material telescopic column shell and reflecting surface；
Fig. 6 is the decomposition diagram of Fig. 5；
Fig. 7 is the positional diagram of odd, even several aramid fabrics and aramid fiber rope；
Fig. 8 is the convolution schematic diagram of bistable state composite material telescopic column shell.
Specific embodiment:
Referring to figs. 1 to Fig. 8, a kind of space based radar Foldable exhibition opens antenna reflective face folding exhibition structure, it include reflecting surface 1,
Cross rib 2, bistable state composite material telescopic column shell 3 and auxiliary expansion inflation arm 4, reflecting surface 1 be it is rectangular, in reflecting surface
1 side surface is provided with the cross rib 2 that multiple tracks is arranged along the width direction of reflecting surface 1, and cross rib 2 is Nian Jie with reflecting surface 1, horizontal
It is hollow tubular structure to rib 2, the surface Nian Jie with reflecting surface 1 of cross rib 2 is plane, the table Nian Jie with reflecting surface 1 of cross rib 2
The opposite surface in face is the cambered surface of indent, and the rigidity of cross rib 2 not only can be improved in cambered surface, moreover it is possible to effectively reduce 1 folding of reflecting surface
The volume of poststack；At least two bistable state composite material telescopic column shells 3 are provided between every adjacent twice cross rib 2,
Bistable state composite material telescopic column shell 3 is the cylindrical shell structure of C-shaped cross-section, compound using the elastic telescopic such as carbon fiber
Material has rigid support ability, and can fold and deliver with reflecting surface 1 along axial convolution, bistable state composite material
The both ends of telescopic column shell 3 are in contact with adjacent cross rib 2 respectively, by bistable state composite material telescopic column shell 3 and laterally
The rigid support to reflecting surface 1 is realized in the cooperation of rib 2, keeps the intrinsic frequency of reflecting surface 1, while improving the face type of reflecting surface 1
Precision；Bistable state composite material telescopic column shell 3 by aramid fiber rope 3-1 and aramid fabric 3-2 come Nian Jie with reflecting surface 1, along aramid fiber
Muti-piece aramid fabric 3-2 is arranged in the 3-1 that restricts, and aramid fabric 3-2 is arranged at intervals on the opposite sides of aramid fiber rope 3-1, the middle line of aramid fabric 3-2
Position is aligned with aramid fiber rope 3-1, and aramid fabric 3-2 and aramid fiber rope 3-1 suture connection and be bonded, and the total quantity of aramid fabric 3-2 is surprise
Several piece, wherein the aramid fabric 3-2 for being located at odd number is Nian Jie with reflecting surface 1, wherein the aramid fabric 3-2 and bistable state positioned at even number are compound
Material telescopic column shell 3 is bonded, and aramid fiber rope 3-1 is arranged between the aramid fabric 3-2 of odd number and reflecting surface 1, while aramid fiber
Rope 3-1 is also disposed between the aramid fabric 3-2 and bistable state composite material telescopic column shell 3 of even number；In whole cross ribs 2
It is connected between two cross ribs 2 on the outermost side by least two auxiliary expansion inflation arms 4, in every auxiliary expansion inflation
The both ends of arm 4 are provided with end cap 4-1, and end cap 4-1 is fixedly connected with corresponding cross rib 2, before auxiliary expansion inflation arm 4 is inflated
It is folded with reflecting surface 1, in the elastic potential energy of bistable state composite material telescopic column shell 3 and auxiliary expansion inflation when expansion
Under 4 aeration of arm, driving reflecting surface 1 is orderly unfolded, and auxiliary can be unfolded inflation arm 4 after being unfolded and deflated by reflecting surface 1, by double
Metastable composite telescopic column shell 3 and the cooperation support reflecting surface 1 of cross rib 2.
Preferably, the number for the bistable state composite material telescopic column shell 3 being arranged between every adjacent twice cross rib 2
Amount is identical as the auxiliary expansion inflation quantity of arm 4 and is aligned setting one by one.
Claims (2)
1. a kind of space based radar Foldable exhibition opens antenna reflective face folding exhibition structure, it is characterised in that it includes reflecting surface (1), transverse direction
Rib (2), bistable state composite material telescopic column shell (3) and auxiliary expansion inflation arm (4), reflecting surface (1) be it is rectangular, anti-
The side surface for penetrating face (1) is provided with the cross rib (2) that multiple tracks is arranged along the width direction of reflecting surface (1), cross rib (2) and anti-
Face (1) bonding is penetrated, cross rib (2) is hollow tubular structure, and cross rib (2) surface Nian Jie with reflecting surface (1) is plane, horizontal
The surface opposite with reflecting surface (1) gluing of surfaces to rib (2) is the cambered surface of indent；Between every adjacent twice cross rib (2)
At least two bistable state composite material telescopic column shells (3) are provided with, bistable state composite material telescopic column shell (3) is C-shaped cross
The cylindrical shell structure in section, using elastic telescopic composite material, the both ends point of bistable state composite material telescopic column shell (3)
It is not in contact with adjacent cross rib (2)；Bistable state composite material telescopic column shell (3) passes through aramid fiber rope (3-1) and aramid fabric
(3-2) comes Nian Jie with reflecting surface (1), muti-piece aramid fabric (3-2) is arranged along aramid fiber rope (3-1), aramid fabric (3-2) is arranged at intervals on
The midline position of the opposite sides of aramid fiber rope (3-1), aramid fabric (3-2) is aligned with aramid fiber rope (3-1), aramid fabric (3-2) and virtue
Synthetic fibre rope (3-1) suture is connected and is bonded, and the total quantity of aramid fabric (3-2) is odd number block, wherein being located at the aramid fabric (3-2) of odd number
It is Nian Jie with reflecting surface (1), wherein the aramid fabric (3-2) for being located at even number is Nian Jie with bistable state composite material telescopic column shell (3), virtue
Synthetic fibre rope (3-1) is arranged between the aramid fabric (3-2) of odd number and reflecting surface (1), and aramid fiber rope (3-1), which is also disposed at, to be located at occasionally
Between several aramid fabrics (3-2) and bistable state composite material telescopic column shell (3)；It is on the outermost side in whole cross ribs (2)
By at least two auxiliary expansion inflation arm (4) connections between two cross ribs (2), expansion inflation arm (4) is assisted at every
Both ends are provided with end cap (4-1), and end cap (4-1) is fixedly connected with corresponding cross rib (2).
2. a kind of space based radar Foldable exhibition opens antenna reflective face folding exhibition structure as described in claim 1, it is characterised in that every
The quantity and auxiliary expansion inflation for the bistable state composite material telescopic column shell (3) being arranged between adjacent twice cross rib (2)
The quantity of arm (4) is identical and is aligned setting one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100267.1A CN106785311B (en) | 2017-02-23 | 2017-02-23 | Space based radar Foldable exhibition opens antenna reflective face folding exhibition structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710100267.1A CN106785311B (en) | 2017-02-23 | 2017-02-23 | Space based radar Foldable exhibition opens antenna reflective face folding exhibition structure |
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| CN106785311A CN106785311A (en) | 2017-05-31 |
| CN106785311B true CN106785311B (en) | 2019-03-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663660A (en) * | 2018-06-13 | 2018-10-16 | 安徽尼古拉电子科技有限公司 | A kind of folding portable radar |
| GB201810641D0 (en) * | 2018-06-28 | 2018-08-15 | Oxford Space Systems | Deployable reflector for an antenna |
| CN109667709A (en) * | 2019-01-24 | 2019-04-23 | 哈尔滨工业大学 | A kind of foldable inflating expansion carrying wind blade based on bistable state shell composite material |
| CN110165362B (en) * | 2019-05-24 | 2021-02-09 | 北京遥测技术研究所 | Portable composite material short wave whip antenna device |
| CN110375050B (en) * | 2019-07-22 | 2021-09-10 | 哈尔滨工业大学 | Spatial intelligent telescopic transportation structure based on multi-stable curved beam |
| CN111392029B (en) * | 2020-02-25 | 2022-04-08 | 浙江工业大学 | Pneumatic driven multistable structure |
| CN112531315B (en) * | 2020-11-27 | 2021-11-30 | 浙江大学 | Synchronous unfolding mechanism for satellite-borne phased-array antenna |
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| CN103633412A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨工业大学 | Connection method for rib plate tail end and mast of radial rib antenna floor and die |
| CN103813960A (en) * | 2011-06-09 | 2014-05-21 | Rtl原材料有限公司 | Coilable extendible member and methods |
| CN105723562A (en) * | 2013-09-09 | 2016-06-29 | Rtl原材料有限公司 | Antenna assembly and related methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2969985B1 (en) * | 2010-12-30 | 2016-09-09 | Thales Sa | SOLAR PLANAR GENERATOR |
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| CN103813960A (en) * | 2011-06-09 | 2014-05-21 | Rtl原材料有限公司 | Coilable extendible member and methods |
| CN105723562A (en) * | 2013-09-09 | 2016-06-29 | Rtl原材料有限公司 | Antenna assembly and related methods |
| CN103633412A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨工业大学 | Connection method for rib plate tail end and mast of radial rib antenna floor and die |
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Inventor after: Tan Huifeng Inventor after: Shen Yongzheng Inventor after: Wei Jianzheng Inventor after: Wang Changguo Inventor after: Dong Shanliang Inventor before: Tan Huifeng Inventor before: Shen Yongzheng Inventor before: Wei Jianzheng |
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