CN106159456A - Spatial networks reflector wire side sequence launches management system and management method - Google Patents
Spatial networks reflector wire side sequence launches management system and management method Download PDFInfo
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- CN106159456A CN106159456A CN201610533242.6A CN201610533242A CN106159456A CN 106159456 A CN106159456 A CN 106159456A CN 201610533242 A CN201610533242 A CN 201610533242A CN 106159456 A CN106159456 A CN 106159456A
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- net
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- cord
- rope net
- wire side
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- 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
- H01Q15/147—Reflecting surfaces; Equivalent structures provided with means for controlling or monitoring the shape of the reflecting surface
Abstract
The invention discloses a kind of spatial networks reflector wire side sequence and launch management system, including the ring-like truss deployable structure provided a supporting role, the rope net reflector that is made up of main rope net, secondary rope net and vertical tension rope, and the metallic reflection net between main rope net and secondary rope net；Described main rope net, metallic reflection net and secondary rope net are by forming the structure of multilamellar after folding；Penetrated by cord between the two-layer being arbitrarily connected in the structure of the multilamellar formed after folding in described main rope net, metallic reflection net and secondary rope net.
Description
Technical field
This technology art is space technology field, and this technology is mainly used in satellite, space station and other spacecrafts
The Sport Administration that rope net launches in order under the agravic environment of space of Large Deployable grating reflector.
Background technology
Spaceborne large-sized annular reflector is formed (Fig. 1) by outer shroud, main rope wire side, secondary rope net and vertical tension rope.Spaceborne greatly
Type annular reflector is after outer shroud unlocks release, and outer shroud starts to spread out.It is now placed in the rope net in the middle part of annular and is in free state.
Owing to space does not has gravity, this rope net likely can arbitrarily launch and aloft wave.For bigbore reflector, net
Radius be more than many times of Zhou Bianhuan truss depth, the wire side the most arbitrarily waved likely can be wrapped on hoop truss,
Major network, between secondary net and drawing rope it can also happen that be wound around, these all cause reflector to launch unsuccessfully.According to documents and materials, mesh
On former world, the only U.S. developed this heavy caliber annular reflector successful launch[1], but this reflector of the U.S.
Wire side management method does not but have document announcement, the netted deployable antenna on the ETS-VIII satellite of Japan to occur the most in orbit
The fault crossing the winding of rope net and cause reflecting surface to launch[2].Tsing-Hua University studied loop aerial and controlled system with satellite in-orbit
The attitude power coupling problem of system, the thermal deformation problem in-orbit of loop aerial, Beijing University of Science & Engineering were studied by Xian Electronics Science and Technology University
University research crosses the expansion course motion problem analysis of loop aerial, and Zhejiang University developed the principle sample of 6 meters of dicyclo reflectors
Machine, but domestic currently also not about the open report of annular reflector wire side management system.
Annular reflector, owing to only there being rigid truss in outer ring, does not has rigid element in ring, it is impossible to fix in inside or
Retrain its movement locus.Owing to wire side and rope are all flexible materials, even if folding in an orderly manner when drawing in, but ought be outward
Ring launch the starting stage, under driven by motor, the diameter of ring when collapsed diameter slowly launches, with leading that outer shroud truss is connected
Under straw line effect, the frictional force that the interlayer of rope net is faint is not enough to maintain original folding and expanding order, and multilamellar rope net can be simultaneously
Launching, this results in the length the launching rope net diameter more than the ring launched.The net the most freely drifted is possible to
Blow out the upper end of annular truss or lower end, be then wrapped with the truss of periphery.Simultaneously as whole rope net unfolding sequence is disturbed,
Being likely to be wound around between major network, secondary net and between net and rope, these are all to cause reflector to launch failed hidden danger.
And, the bore of reflector is the biggest, and the size of net is the biggest, in the initial stage that annular truss launches and mid-term, the several of winding occurs
Rate is the biggest.
If taking, in advance by coating some glue on the indivedual points between the wire side of folding, to allow rope net at circumferential annular truss
The expansion initial stage maintains original folding sequence, then, along with magnifying of annular truss diameter, utilizes the expansion power launching rope, will
Bonding glue point disengages.Owing to glue has mobility, do so exists glueds joint area and glueds joint the uncontrollable shortcoming of power, and having can
Can be because the glue of indivedual point be too many, there is the fault that reflector is opened up not open or wire side is torn in excessive the causing of bonding force.And
Under the temperature environment of space, the adhesive property of glue also can be different from ground, thus produce the fault shifting to an earlier date unsticking or taking off not open.
The mode of the diagonally opposed silk thread drawing different length at ring can also be used, along with the increase of ring diameter, silk thread
By length from small to large, disconnect one by one.Before every silk thread does not disconnects, the wire side that this silk thread passes is all according to former folding sequence
Arrangement, when, after a silk thread fracture, wire side is opened, until all silk threads all rupture, wire side fully opens.This method
Shortcoming is, the bad selection of intensity of silk thread.If selection intensity is big, mounted resistance can be increased, and the stretching tight of silk thread when rupturing
Clamp force discharges suddenly, and silk thread easily causes sometimes because of impulsive force and is wound around with wire side, if selecting intensity little, in ground experiment
During test, the gravity of rope net self will be broken silk thread.
From the above it can be seen that the key technology of wire side management system requires it is not cause additional mounted resistance,
And can not produce with rope net and be wound around, such guarantee reaches satellite retroreflector and launches the requirement of reliability index.
Summary of the invention
The technical problem to be solved in the present invention is to provide the spatial networks reflector wire side sequence of a kind of simple in construction and launches
Management system and management method.
In order to solve above-mentioned technical problem, the present invention provides a kind of spatial networks reflector wire side sequence to launch management system
System, including the ring-like truss deployable structure provided a supporting role, the rope net that is made up of main rope net, secondary rope net and vertical tension rope
Metallic reflection net between reflector, and main rope net and secondary rope net；Described main rope net, metallic reflection net and secondary rope net pass through
The structure of multilamellar is formed after folding；The structure of the multilamellar formed after folding in described main rope net, metallic reflection net and secondary rope net
Penetrated by cord between the upper two-layer being arbitrarily connected.
Improvement as spatial networks reflector wire side sequence of the present invention being launched management system: described main rope
Folded by hoop peak valley line mode between net, metallic reflection net and secondary rope net.
Further improvement as spatial networks reflector wire side sequence of the present invention being launched management system: relatively
The material of the wire side of main rope net, metallic reflection net and secondary rope net and mesh size should be provided with elastic and ganoid silk
Rope.
Further improvement as spatial networks reflector wire side sequence of the present invention being launched management system: described
Carry out hoop peak valley line mode after main rope net, metallic reflection net and secondary rope net subregion to fold；Adopt between the wire side being arbitrarily connected
Penetrate by least two cords.
Further improvement as spatial networks reflector wire side sequence of the present invention being launched management system: described
Main rope net, metallic reflection net and secondary rope net are divided into six districts uniformly, and each district uses hoop peak valley line mode to roll over respectively
Folded.
Spatial networks reflector wire side sequence launches the method for management: by main rope net, metallic reflection net and secondary rope net with
Hoop peak valley line mode folds, and after folding, two of arbitrary neighborhood arrange cord between Multi-layer net surface.
Improvement as the method that spatial networks reflector wire side sequence of the present invention is launched management: described hoop
Peak valley line mode folds as follows: main rope net, metallic reflection net and secondary rope net are divided into uniform six districts, and each district is divided into
Four layers, the center of four layers arranges center line longitudinally through four layers；Ground floor and the second layer of four layers are just rolled over, ground floor
Along center line opisthotonos, the second layer is just rolled over along center line；By the second layer and the third layer opisthotonos of four layers, third layer is anti-along center line
Folding；The third layer of four layers and the 4th layer are just rolled over, just rolls over along center line for the 4th layer.
Further improvements in methods as spatial networks reflector wire side sequence of the present invention being launched management:
In the Liang Ge district of arbitrary neighborhood, opisthotonos between ground floor and ground floor, just roll between the second layer and the second layer, third layer and the 3rd
Opisthotonos between Ceng, just rolls between the 4th layer and the 4th layer.
Further improvements in methods as spatial networks reflector wire side sequence of the present invention being launched management: institute
Stating cord, to penetrate the mode of main rope net, metallic reflection net and secondary rope net as follows: in same zone: penetrated continuously by cord I
Ground floor and the second layer, cord II penetrate the second layer and third layer continuously, cord III penetrate third layer and the 4th layer continuously；Silk
Rope VIII penetrate ground floor opisthotonos continuously after two faces, cord Ⅸ penetrate two faces after the second layer 1 is just rolled over, cord Ⅹ continuously even
Continuous penetrate third layer opisthotonos after two faces, cord Ⅺ penetrate continuously the 4th layer just roll over after two faces；At arbitrary neighborhood two
In individual district: by cord IV penetrate successively the two district ground floor, penetrated successively by cord V the two district the second layer,
Penetrate the third layer in the two district successively by cord VI, penetrated the 4th floor in the two district by cord VII successively.
The present invention solves rope net and the outer shroud truss winding potential faults that space annular reflector launches to exist at space,
Improve the expansion reliability of reflector.Compared with additive method, the structure additional mass that this method is brought is minimum, the exhibition of increase
Open resistance minimum, nor affect on the performance of reflector operation on orbit.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Fig. 1 is the cable net structure schematic diagram of annular reflector；
Fig. 2 is that Multi-layer net surface is along chopped fiber two ends successively spreading principle figure；
Fig. 3 is that wire side order draws one of folding principle figure (rounding state) in；
Fig. 4 wire side order draws two (half deployed condition states) of folding principle figure in；
Fig. 5 wire side order draws three (full deployed condition states) of folding principle figure in；
Fig. 6 is the Sub-region and hierarchical schematic diagram of the present invention.
Detailed description of the invention
Embodiment 1, Fig. 2～Fig. 6 give a kind of spatial networks reflector wire side sequence and launch management system and manager
Method；This technology uses short cord 4 through the method for Multi-layer net surface, allows the rope under weightlessness of space state and the wire side can be according to thing
The hoop peak valley line sequence first folded is shown sequence and is launched.
The spatial networks reflector wire side sequence of the present invention launches the ring-like truss that management system includes providing a supporting role
Deployable structure, the rope net reflector being made up of main rope net, secondary rope net and vertical tension rope, and between main rope net and secondary rope net
Metallic reflection net 5；Main rope net, metallic reflection net 5 and secondary rope net form multilamellar after being folded by hoop peak valley line mode
Structure；As a example by the set-up mode of six district four floor, this hoop peak valley line mode folds as follows:
By main rope net, metallic reflection net 5 and secondary rope net all as a example by metallic reflection net 5, be uniformly divided into six districts (as
Shown in Fig. 6, form equilateral hexagon, be i.e. divided into district I 10, district II 20, district III 30, district IV 40, district V 50, district of VI 60 6, district)；
Point centered by the center of circle again, outwards sequentially forms four layers after uniform radiation: the 4th layer, third layer, the second layer and ground floor
(as shown in Figure 6, the 4th layer 104, third layer 103, the second layer 102 and ground floor 101)；According to folding between layers time
Sequence, set gradually between the 4th layer 104, third layer 103, the second layer 102 and ground floor 101 respectively as just rolling over (sun folding) line 6,
Opisthotonos (cloudy folding) line 7 and just rolling over (sun folding) line 6 and (in figure 6, be expressed as fold line with dotted line, be expressed as just rolling over solid line
Line)；Point centered by the center of circle again, arranges center line 70 longitudinally through four floor (due to equilateral hexagon, so each in each district
It is equilateral triangle that district all can be seen as, and can directly arrange the center line 70 of equilateral triangle with circle for summit longitudinally through four
Individual layer)；Along this center line 70, ground floor 101 is set on opisthotonos (cloudy folding) line 7, the second layer 102 be set to just roll over (sun
Folding) line 6, third layer 103 is set to opisthotonos (cloudy folding) line 7, it is set to just roll over (sun folding) line 6 on the 4th layer 104.In district I 10,
In district II 20, district III 30, district IV 40, district V 50, district VI 60, the 4th floor 104 between district I 10 and district II 20, third layer 103,
Between the second layer 102 and ground floor 101, centered by the center of circle, radiation is set to opisthotonos (cloudy folding) line 7, just rolls over (sun folding) respectively
Line 6, opisthotonos (cloudy folding) line 7, just roll over (sun folding) line 6；Corresponding, between district II 20 and district III 30, district IV 40 and district V 50 it
Between, between district IV 40 and district V 50, between district V 50 and district VI 60, all set by method as above between district VI 60 and district I 10
Put corresponding opisthotonos (cloudy folding) line 7, just roll over (sun folding) line 6, opisthotonos (cloudy folding) line 7, just roll over (sun folding) line 6.
The metallic reflection net 5 set along opisthotonos (cloudy folding) line 7 or is just being rolled over (sun folding) line 6 folds, folds
After, in identical district, it is attached by some cords, i.e. penetrates ground floor 101 and the second layer continuously by cord I
102, cord II penetrates the second layer 102 and third layer 103 continuously, cord III penetrates third layer 103 and the 4th layer 104 continuously；
Penetrate two faces after ground floor 101 folds along opisthotonos (cloudy folding) line 7 continuously by cord VIII, penetrated the by cord Ⅸ continuously
Two faces after two layer 102 (sun folding) line 6 folds along just rolling over, penetrated third layer 103 continuously by cord Ⅹ along opisthotonos (cloudy folding)
Line 7 fold after two faces, penetrated the 4th layer 104 two faces after (sun folding) line 6 folds along just rolling over continuously by cord Ⅺ；?
In the Liang Ge district of arbitrary neighborhood, penetrate the ground floor 101 in the two district successively by cord IV, penetrate this successively by cord V
The second layer 102 in Liang Ge district, penetrated the third layer 103 in the two district by cord VI successively, penetrate this successively by cord VII
4th floor 104 in Liang Ge district.
Correspond to material and the mesh size of the wire side of main rope net, metallic reflection net 5 and secondary rope net, in the present invention
Cord selects flexible and ganoid type, and penetrates the cord selecting more than at least two every time.
The principle of the present invention is by there is frictional force between cord and mesh, space zero-gravity state, if the most outward
Power, wire side (main rope net, metallic reflection net 5 or secondary rope net) will keep order state when folding.When outer shroud truss stretch-draw net
During edge, from outside to inside, after ground floor comes off, along with the increase of ring diameter, ground floor continues to launch wire side, only tightens to evening up
After, just can overcome frictional force that the second layer is pulled (stress as shown in Figure 2, metallic reflection net 5 under tension Fn, gradually spread out,
And its wire side receives in opposite direction two frictional force F respectively due to the effect of short cord 4, two adjacent facesiAnd fi).This
Sample has just been accomplished successively to come off, and the length that net opens can synchronize to increase with the increase of outer annular diameter, does not haves multilamellar and takes off simultaneously
The phenomenon fallen, thus will not be when ring also have fully deployed, and rope wire side is wrapped on the truss of outer shroud because excessively launching.
And in the solution of the present invention, the quality that whole reflector is increased by the cord of employing is the least (about at 100 grams), because of
This structure not interfering with reflector and mechanical characteristic, nor affect on vibratory response during reflector.Cord (or use phase
Substitute with the fiber of physical property) itself it is set to 2 to 3 centimetres, and need to be interspersed between multilamellar, due to the resistance of wire side
Gear, therefore cord self occurs the probability being wound around to be zero.When reflector launches, the exhibition caused with wire side frictional force due to cord
Opening resistance and be less than 100 grams, this power, relative to tens kilograms of deploying forces of reflector, is a power the least, hardly
Impact launches.When reflector is fully deployed, cord or come off, or hang on wire side, owing to the material of cord is for being situated between
Material, and line footpath is the least, therefore not affects the reflecting properties of reflector electric wave, does not also have passive intermodulation
(PIM) problem.
Wire side and cord system are drawn according to the hoop orderly folding scheme of peak valley line being pre-designed in advance, then in design
Cord is penetrated Multilayer Network by each good position.Wherein the diameter of cord is mainly determined according to the diameter of wire side braided mesh
Fixed, the generally less than aperture of wire side.Owing to the mesh after Multi-layer net surface superposition blocks, the diameter of cord is larger than multilamellar
, when such guarantee launches, between wire side and cord, there is frictional force in the average pore size after wire side overlap.Require the table of cord
Face is smooth, between the two without hook during to ensure cord and wire side relative motion, and requires the pliability (elasticity of flexure of cord
Modulus) to match with the pliability of wire side, when so can ensure that transmitting when wire side has a small amount of changing of the relative positions between layers, silk
Rope can be along with the wire side changing of the relative positions, and the motion to silk screen does not produces resistance.Material and the smooth surface state of cord is basis in a word
Different wire side materials, smooth surface state and wire side pliability are after friction testing, according to the principle choosing that frictional force is minimum
Take.
The distributing position of short cord 4 is to draw, according to rope wire side, the geometry fan subregion folded in determine, at 1 square metre of fan
In the range of shape, every 8-10 layer wears one group short cord 4, often organizes short cord 4 and is made up of the short cord 4 of 10-20 spacing 3-5 centimetre,
Particular number and spacing to determine according to the rope net quality that concrete sector is comprised.The quantity that locally rope net quality is big is with regard to many one
A bit, spacing is smaller；Locally rope net quality is little, and less, spacing is larger for quantity.The wire side that every cord passes
The number of plies, position distribution and cord length be increase with outer annular diameter according to wire side geometric surface Changing Pattern, successively come off
Determine after the regulation analysis of good time series and minimum additional mounted resistance.
The present invention solves rope net and the outer shroud truss winding potential faults that space annular reflector launches to exist at space,
Improve the expansion reliability of reflector.Compared with additive method, the structure additional mass that this method is brought is minimum, the exhibition of increase
Open resistance minimum, nor affect on the performance of reflector operation on orbit.And according to the size of space annular reflector, respective counts is set
The district of amount and floor (and the set-up mode of non-required six district four floor, volume is the biggest, and quantity is the most), and according to hoop peak valley line mode
Cord is set after folding.
Finally, in addition it is also necessary to be only the specific embodiment of the present invention it is noted that listed above.Obviously, the present invention
It is not limited to above example, it is also possible to have many deformation.Those of ordinary skill in the art can be straight from present disclosure
Connect all deformation derived or associate, be all considered as protection scope of the present invention.
Claims (9)
1. spatial networks reflector wire side sequence launches management system, including the deployable knot of ring-like truss provided a supporting role
Structure, the rope net reflector being made up of main rope net, secondary rope net and vertical tension rope, and the metal between main rope net and secondary rope net is anti-
Penetrate net；It is characterized in that: described main rope net, metallic reflection net and secondary rope net are by forming the structure of multilamellar after folding；
The two-layer being arbitrarily connected in the structure of the multilamellar formed after folding in described main rope net, metallic reflection net and secondary rope net it
Between penetrated by cord.
Spatial networks reflector wire side sequence the most according to claim 1 launches management system, it is characterized in that: described main rope
Folded by hoop peak valley line mode between net, metallic reflection net and secondary rope net.
Spatial networks reflector wire side sequence the most according to claim 2 launches management system, it is characterized in that: correspond to
Material and the mesh size of the wire side of main rope net, metallic reflection net and secondary rope net are provided with elastic and ganoid cord.
Spatial networks reflector wire side sequence the most according to claim 3 launches management system, it is characterized in that: described main rope
Carry out hoop peak valley line mode after net, metallic reflection net and secondary rope net subregion to fold；
At least two cords are used to penetrate between the wire side being arbitrarily connected.
Spatial networks reflector wire side sequence the most according to claim 4 launches management system, it is characterized in that: described main rope
Net, metallic reflection net and secondary rope net are divided into six districts uniformly, and each district uses hoop peak valley line mode to fold respectively.
6. the method that spatial networks reflector wire side sequence launches management, is characterized in that: by main rope net, metallic reflection net and pair
Rope net folds in hoop peak valley line mode, and after folding, two of arbitrary neighborhood arrange cord between Multi-layer net surface.
Spatial networks reflector wire side sequence the most according to claim 6 launches the method for management, it is characterized in that: described ring
Fold as follows to peak valley line mode:
Main rope net, metallic reflection net and secondary rope net are divided into uniform six districts, and each district is divided into four floor, four layers
Center arranges center line longitudinally through four layers；
Ground floor and the second layer of four layers just being rolled over, ground floor is just rolled over along center line opisthotonos, the second layer along center line；
By the second layer and the third layer opisthotonos of four layers, third layer is along center line opisthotonos；
The third layer of four layers and the 4th layer are just rolled over, just rolls over along center line for the 4th layer.
Spatial networks reflector wire side sequence the most according to claim 7 launches the method for management, it is characterized in that: arbitrarily
In adjacent Liang Ge district, opisthotonos between ground floor and ground floor, just roll between the second layer and the second layer, third layer and third layer it
Between opisthotonos, just roll between the 4th layer and the 4th layer.
Spatial networks reflector wire side sequence the most according to claim 8 launches the method for management, it is characterized in that: described silk
The mode that rope penetrates main rope net, metallic reflection net and secondary rope net is as follows:
In same zone:
Penetrate ground floor continuously by cord I and the second layer, cord II penetrate the second layer and third layer, continuously by continuous for cord III
Penetrate third layer and the 4th layer；Cord VIII penetrate ground floor opisthotonos continuously after two faces, cord Ⅸ just penetrating the second layer 1 continuously
Two faces after folding, cord Ⅹ penetrate third layer opisthotonos continuously after two faces, cord Ⅺ penetrate continuously the 4th layer just roll over after
Two faces；
In the Liang Ge district of arbitrary neighborhood:
Penetrate the ground floor in the two district successively by cord IV, penetrated the second layer in the two district, logical by cord V successively
Cross cord VI to penetrate the third layer in the two district successively, penetrated the 4th floor in the two district by cord VII successively.
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| CN201610533242.6A CN106159456B (en) | 2016-07-06 | 2016-07-06 | Management system and management method is unfolded in spatial networks reflector wire side sequence |
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| CN106602207A (en) * | 2016-12-01 | 2017-04-26 | 西安电子科技大学 | Quadrangular modularized deployable parabolic cylinder antenna |
| CN108666733A (en) * | 2018-05-15 | 2018-10-16 | 西安空间无线电技术研究所 | A kind of net-shape antenna wire side management organization and management method |
| CN112436292A (en) * | 2020-11-23 | 2021-03-02 | 西安电子科技大学 | Reflecting surface antenna based on three-telescopic-rod driving and quasi-geodesic grid structure |
| CN113161710A (en) * | 2021-03-26 | 2021-07-23 | 上海卫星工程研究所 | Spatial expandable mesh antenna with profile precision capable of being adjusted in orbit |
| EP4235968A3 (en) * | 2021-09-30 | 2023-09-27 | Eagle Technology, LLC | Deployable antenna reflector |
| US11949161B2 (en) | 2021-08-27 | 2024-04-02 | Eagle Technology, Llc | Systems and methods for making articles comprising a carbon nanotube material |
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| CN108666733A (en) * | 2018-05-15 | 2018-10-16 | 西安空间无线电技术研究所 | A kind of net-shape antenna wire side management organization and management method |
| CN112436292A (en) * | 2020-11-23 | 2021-03-02 | 西安电子科技大学 | Reflecting surface antenna based on three-telescopic-rod driving and quasi-geodesic grid structure |
| CN112436292B (en) * | 2020-11-23 | 2021-07-27 | 西安电子科技大学 | Reflecting surface antenna based on three-telescopic-rod driving and quasi-geodesic grid structure |
| CN113161710A (en) * | 2021-03-26 | 2021-07-23 | 上海卫星工程研究所 | Spatial expandable mesh antenna with profile precision capable of being adjusted in orbit |
| US11949161B2 (en) | 2021-08-27 | 2024-04-02 | Eagle Technology, Llc | Systems and methods for making articles comprising a carbon nanotube material |
| EP4235968A3 (en) * | 2021-09-30 | 2023-09-27 | Eagle Technology, LLC | Deployable antenna reflector |
| US11901629B2 (en) | 2021-09-30 | 2024-02-13 | Eagle Technology, Llc | Deployable antenna reflector |
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