CN104627389B - A kind of controlled orderly inflating expanded self-support type solar sail structure - Google Patents

A kind of controlled orderly inflating expanded self-support type solar sail structure Download PDF

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Publication number
CN104627389B
CN104627389B CN201510079527.2A CN201510079527A CN104627389B CN 104627389 B CN104627389 B CN 104627389B CN 201510079527 A CN201510079527 A CN 201510079527A CN 104627389 B CN104627389 B CN 104627389B
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sail
arm
face
sail face
inflation valve
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CN104627389A (en
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卫剑征
马瑞强
谭惠丰
宋博
林国昌
田振辉
刘宇飞
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Harbin Institute of Technology
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Harbin Institute of Technology
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Abstract

The present invention relates to space industry, disclose a kind of controlled orderly inflating expanded self-support type solar sail structure. Adopt the sail face of the subtriangular shape being formed by three curves, can make sail face steadily launch in-orbit in an orderly manner, make the in-plane stress distribution gradient being subject to after the expansion of sail face reduce 20%; Summit, the right angle place of sail face arranges internal diameter and is wound around the equal filler ring of axle, can reduce the concentrated stress of sail face; Filler ring interior section sail face is provided with the circular open that 4n (n >=3, n is integer) sawtooth surrounds, and can ensure the summit of sail face and be wound around between axle without relative motion; Totally four groups, the inflation valve for spreading arm that launches and support sail face, every group is made up of two sub-extending arms, can carry the linearity of inflation valve for spreading arm after launching and launch after the rigidity of structure, be firm 2 times of single extending arm structure, and improved the expansion stability of launching arm.

Description

A kind of controlled orderly inflating expanded self-support type solar sail structure
Technical field
The present invention relates to space industry, relate in particular to a kind of controlled orderly inflating expanded self-support type solar sail structure.
Background technology
Enter after 21 century, survey of deep space field is subject to all the more the mankind's attention. Solar sail spacecraft is as novel flyingRow device, does not need propulsion system just can realize the accelerated motion of aircraft, solar sail aircraft be by with solar photon itBetween momentum-exchange and obtain flying power. And this propelling resource is inexhaustible, the vitality of propelling only depends on tooSun sail film and the life-span of actuator and the distance of light source. There is very high researching value in survey of deep space field. In order to provideThe propulsive force that spacecraft is enough, spacecraft needs enough large solar sail sail face. Inflatable deploying solar sail structure is light with its quality,The features such as developed area is large, have good application prospect in survey of deep space field. Prior art cannot be in-orbit reliable and stablelySolar sail sail face is launched to the problem that existence and stability is poor.
Summary of the invention
The problems referred to above that exist for existing solar sail sail face support arm structure, thus provide one to be intended to lean on in-orbitThe controlled orderly inflating expanded self-support type solar sail structure of stably solar sail sail face being launched.
A kind of controlled orderly inflating expanded self-support type solar sail structure, comprising:
Support, described support is wound around axle, a cube rod and an octagon base by four and forms, and described cube rod is arranged atThe center of described octagon base, described winding axle is arranged on the edge of described octagon base, and adjacent two institutesStating the distance being wound around between axle equates;
Four groups of sail faces, each described sail face includes a summit and two end points, and described sail face is by two curve sidesCheng Junwei:And a curvilinear equation is:The sail face that surrounds of three curves; ItsIn, h represents the arch degree of depth of curve ,-l/l2≤h≤l/8, and-l/2≤x≤l/2, l represents the distance between the end points of curve both sides,h1Represent the arch degree of depth of curve ,-l1/12≤h1≤l1/8,-l1/2≤x1≤l1/2,l1Represent the distance between the end points of curve both sidesFrom; Described in each described sail face correspondence one, be wound around axle, adopt respectively default folding mode that described sail face is drawn in described sail faceOn corresponding described winding axle, the summit of described sail face is fixed on described winding axle;
Four gas filling bottles, are all arranged at the inner side of described cube rod;
Four inflation valve for spreading arms, gas filling bottle described in each described inflation valve for spreading arm correspondence one, described gas filling bottle is with thinkingState the inflation of inflation valve for spreading arm, the inlet end of described inflation valve for spreading arm connects the described gas filling bottle corresponding with described inflation valve for spreading arm,The adjacent end points of adjacent two described sail faces is all connected in the connecting rod of the stretching, extension end of same described inflation valve for spreading arm, and four are filledGas extending arm is arranged on four faces of cube rod, and the extending arm launching is in being wound around in the middle of axle, i.e. each described inflation is stretchedDistance between exhibition arm and adjacent two described winding axles is identical.
Preferably, the summit place of described sail face is provided with the filler ring that an internal diameter is identical with being wound around axle external diameter, described filler ringInterior sail face is divided into circular open, the radius of described circular open and the described winding that 4n (n >=3) zigzag film surroundsThe radius of axle is identical, and 4n described sawtooth film is fixed on described winding axle.
Preferably, described filler ring is positioned at sail vertex of surface place, is connected with winding axle.
Preferably, the stretch section of described inflation valve for spreading arm comprises that two sub-extending arms and compress controller, described in twoSub-extending arm all adopts curling folding, and two faces that contact of sub-extending arm described in latter two that launch adopt respectively hair side and hookThe sub-extending arm of the sub-extending arm of face extending arm.
Preferably, described compression controller is made up of two locating wheels and support, and wherein two locating wheels are pushed down respectively phaseOn the sub-extending arm of answering, and be connected to the termination of sub-extending arm by connecting rod.
Preferably, the stretch section of described inflation valve for spreading arm also comprises four semicircular honeycomb block, every two described honeycombsPiece is oppositely arranged with predeterminable range, and described sub-extending arm is wound around compression along two described honeycomb block, the stretching of described inflation valve for spreading armExhibition end is arranged between two described honeycomb block.
Sub-extending arm is preferred, and described sail face also comprises:
Rib, is arranged at the extension of described sail face;
Rope, is arranged at the edge of described rib.
Preferably, the stretching, extension end of described inflation valve for spreading arm is by the adjacent end points of connecting rod and adjacent two described sail facesConnect.
Preferably, the two ends of described connecting rod are provided with rotating shaft, and the adjacent end points of adjacent two described sail faces is divided equallyTong Guo not be connected with described rotating shaft by elasticity connection cord.
The beneficial effect of technique scheme:
In the technical program, adopt the subtriangular sail face being formed by three curves, can make sail face upon deploymentThe tension distribution being subject to is even, can stablize and launch in-orbit stably; 4n the circle that sawtooth surrounds that the summit place of sail face arrangesOpening can ensure sail face summit and design feature, can improve launch after inflation valve for spreading arm linearity and launch rear supportThe rigidity of structure, is 2 times of the single extending arm rigidity of structure, and has improved the strength of stability that launches arm.
Brief description of the drawings
Fig. 1 is the deployed configuration schematic diagram of sail face described in four groups of the present invention;
Fig. 2 a is the schematic diagram of a kind of curve calculation of a described sail face of the present invention;
Fig. 2 b is the schematic diagram of the another kind of curve calculation of a described sail face of the present invention;
Fig. 3 is that sail face of the present invention is connected deployed configuration schematic diagram with winding axle;
Fig. 4 is that sail face of the present invention is wound in and the structural representation being wound around on axle;
Fig. 5 is the structural representation of inflation valve for spreading arm of the present invention;
Fig. 6 is the sectional view of two sub-extending arms of the present invention;
Fig. 7 is the connection diagram of the end points of adjacent two sail faces of the sail face after the present invention launches;
Fig. 8 is the schematic diagram of support of the present invention;
Fig. 9 is the schematic diagram that inflation valve for spreading arm of the present invention draws compression in.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, completeDescribe, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment wholely. Based onEmbodiment in the present invention, those of ordinary skill in the art obtain under the prerequisite of not making creative work all itsHis embodiment, belongs to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can phaseCombination mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
As shown in Figures 1 to 9, a kind of controlled orderly inflating expanded self-support type solar sail structure, comprising:
Support 3, support 3 is wound around axle 3-1, a cube rod 3-2 by four and an octagon base 3-4 forms, and cube rod is establishedBe placed in the center of octagon base 3-4, be wound around axle 3-1 and be arranged on the edge of octagon base 3-4, and adjacent two twineDistance between axle 3-1 equates;
As shown in Figure 2, four groups of sail faces 1, each sail face 1 includes a summit and two end points, and sail face 1 is by two songsLine equation is:And a curve (summit is to surface curve) equation is:ThreeThe sail face 1 that curve surrounds; Wherein, h represents the arch degree of depth of curve ,-l/12≤h≤l/8, and-l/2≤x≤l/2, l represents curve twoDistance between side point, point (0, h) be the intersection point at y axle and edge, h1Represent the arch degree of depth of curve, i.e. point (0, h1) be y1The intersection point at axle and edge ,-l1/12≤h1≤l1/8,-l1/2≤x1≤l1/2,l1Represent the distance between the end points of curve both sides; OftenIndividual sail face 1 corresponding is wound around axle 3-1, adopts respectively default folding mode to draw sail face 1 in winding axle 3-1 in sail face 1 correspondenceUpper, the summit of sail face 1 is fixed on and is wound around on axle 3-1;
Four gas filling bottles 4, are all arranged at the inner side of cube rod 3-2;
Four inflation valve for spreading arms 2, the corresponding gas filling bottle 4 of each inflation valve for spreading arm 2, gas filling bottle 4 use are thought inflation valve for spreading arm 2Inflation, the inlet end of inflation valve for spreading arm 2 connects the gas filling bottle 4 corresponding with inflation valve for spreading arm 2, the abutting end of adjacent two sail faces 1Point is all connected in the connecting rod 2-1 of the stretching, extension end 2-3 of same inflation valve for spreading arm 2, and four inflation valve for spreading arms 2 are arranged on cube rodOn four faces of 3-2, and the extending arm launching is in being wound around in the middle of axle, and each inflation valve for spreading arm 2 is wound around axles with adjacent twoDistance between 3-1 is identical.
Further, gas filling bottle 4 can adopt nitrogen to inflate.
In the present embodiment, asynchronous in order to overcome the expansion causing because of the difference of inflation valve for spreading arm 2 collapsed compact degree,Adopting a gas filling bottle 4 is only that an inflation valve for spreading arm 2 is inflated; Be the number of gas filling bottle 4 and the number phase of inflation valve for spreading arm 2With; Sail face 1 structure of solar sail adopts the subtriangular shape that edge is curve, the pulling force that can make sail face 1 be subject to upon deploymentBe evenly distributed, can solar sail sail face 1 be launched in-orbit reliable and stablely. Being filled with gas by gas filling bottle 4 makes the inflation valve for spreading arm 2 canLaunch in order, drive the sail face 1 being wrapped on winding axle 3-1 to launch simultaneously. That solar sail structure has is lightweight, draw volume inLittle, launch in order controlled, launch below long-pending large and launch after without features such as pressurizes.
As shown in Figure 3 and Figure 4, in a preferred embodiment, the summit place of sail face 1 is provided with an internal diameter and is wound around axle 3-The filler ring 1-3 that 1 external diameter is identical, the sail face portion in filler ring 1-3 is built the circle surrounding for 4n (n >=3) zigzag filmOpening 1-4, the radius of circular open 1-4 is identical with the radius that is wound around axle 3-1, and 4n described sawtooth film is fixed on described windingAxle 3-1 is upper, can prevent expansion process topsail face be wound around on axle to move up and down the expansion causing unstable.
Further, circular open 1-4 and filler ring 1-3 all adopt aluminium material to make, and sawtooth is 16 best results.
In the present embodiment, the circular open 1-4 that a plurality of sawtooth that the summit place of sail face 1 arranges surround can ensure sail faceBetween 1 summit and winding axle 3-1, without relative motion, reduce the concentrated stress of this position.
As shown in Figure 3 and Figure 4, in a preferred embodiment, filler ring 1-3 is positioned at sail face 1 summit place, and is wound around axle 3-1 phaseCompany, this feature is: in the time that sail face 1 is wrapped on winding axle 3-1, play the effect that holds sail face, can protect the topsail face exhibition that launchesIn open procedure, do not rub with base.
In the present embodiment, the slightly larger in diameter of filler ring 1-3 is wound in the diameter being wound around on axle 3-1 completely in sail face 1, existUnder sail face 1 winding state, can play and drag the effect of holding up sail face 1, reach the object of restriction sail face 1 initial displacement, to ensure tooSun sail sail face 1 can launch smoothly.
As shown in Figure 5, in a preferred embodiment, the stretch section of inflation valve for spreading arm 2 comprises two sub-extending arm 2-4 and oneCompress controller 2-2, it is curling folding that two sub-extending arm 2-4 all adopt, launch latter two sub-extending arm 2-4 contact twoIndividual face adopts respectively hair side and hook face, and this can ensure to launch latter two sub-extending arm 2-4 and can be pasted together, and then canRealize the rigidity of launching extending arm and improve 2 times, two sub-extending arm 2-4 are extensile setting up and down, compress controller 2-2 in order toBy fixing two sub-extending arm 2-4 compressions.
Further, the stretch section of inflation valve for spreading arm 2 also can comprise four sub-extending arm 2-4, while expansion to improve sail face 1Stability. Between the inlet end of inflation valve for spreading arm 2 and sub-extending arm 2-4, be air inlet pipe 2-8.
The stretch section of inflation valve for spreading arm 2 comprises the design feature of two sub-extending arm 2-4 in the present embodiment, can ensureAfter launching, the linearity of inflation valve for spreading arm 2 and the expansion rear support rigidity of structure, be 2 times of the single extending arm rigidity of structure, and carryThe high strength of stability that launches arm. Can realize mutually clinging between each sub-extending arm 2-4 by compressing controller 2-2.
In a preferred embodiment, described compression controller is made up of two locating wheels and support, wherein two locating wheelsPush down respectively on corresponding sub-extending arm, and be connected to the termination of sub-extending arm by connecting rod. Can ensure extending arm expansion processIn can glue more firm, compared with single extending arm, increased the linearity of extending arm deployment paths
As shown in Figure 5, in a preferred embodiment, the stretch section of inflation valve for spreading arm 2 also comprises four semicircular honeycombsPiece 2-5, every two honeycomb block 2-5 are oppositely arranged with predeterminable range, and sub-extending arm 2-4 is wound around compression along two honeycomb block 2-5, fillsThe stretching, extension end 2-3 of gas extending arm 2 is arranged between two honeycomb block 2-5. In order to fill the centre bit of the stretch section after compressionPut.
Further, honeycomb block 2-5 can adopt aluminium material to make.
Can make sub-extending arm 2-4 be folded into cylindrical shape, expansion process at two semicircular honeycomb block 2-5 of the present embodimentDo plane motion; Realize folded state generation of vibration vibration isolation effect; Two semicircular honeycomb block 2-5 are sub-extending arm 2-4'sIt is 100mm effect circle that free end forms a diameter, together with continuing with a magic tape on sub-extending arm 2-4 above it,Can reduce extending arm and launch last instantaneous impulsive force.
As shown in Figure 6, in a preferred embodiment, the contact-making surface of two sub-extending arm 2-4 that can be in contact with one another all adoptsFriction material.
Further, sub-extending arm 2-4 inside can attached bistable carbon fiber shell structure 2-6.
Between two sub-extending arm 2-4, can be undertaken by nylon adherent buckle (hook face 2-7 and hair side 2-9) in the present embodimentConnect, taking the inflation valve for spreading arm 2 of sub-extending arm 2-4 as example, two sides that sub-extending arm 2-4 is adjacent, an employing hook face 2-7, another is hair side 2-9; In addition, in order to ensure better to bond together between sub-extending arm 2-4 structure, to improve inflationLinearity and rigidity after extending arm 2 launches.
As shown in Figure 1, in a preferred embodiment, sail face 1 also comprises:
Rib 1-2, is arranged at the extension of sail face 1;
Rope 1-1, is arranged at the edge of rib 1-2.
Further, the width of rib 1-2 is 15mm-20mm.
In the present embodiment, rib 1-2 can adopt the thin-film material that intensity is higher.
In the present embodiment, the each lateral dominance of sail face 1 is reinforced with the higher thin-film material of intensity; Edge is installed with rope 1-1,Can ensure that internal tension is even below the situation of sail face 1 two ends tension, to reduce plication region and the fold quantity of sail face 1, therebyImprove the precision of expansion of sail face 1.
As shown in Figure 7, in a preferred embodiment, the stretching, extension end 2-3 of inflation valve for spreading arm 2 is by connecting rod 2-1 and phaseThe adjacent end points of adjacent two sail faces 1 connects.
In the present embodiment, the end of two sub-extending arm 2-4 adopt elasticity connection cord 5 with connecting rod 2-1 be connected, withEnsure that upper and lower two the sub-extending arm 2-4 of extended position can synchronous extension.
In a preferred embodiment, the two ends of connecting rod 2-1 are provided with rotating shaft, the abutting end of adjacent two sail faces 1Point is connected with rotating shaft by elasticity connection cord 5 respectively.
In the present embodiment, the rotating shaft that is arranged at connecting rod 2-1 two ends can ensure that sail face 1 is driving the pulling force launching to becomeChange constantly, realize the stable expansion of sail face 1, also can reduce sail face 1 and extending arm be launched to the impact of reaction force. Protect simultaneouslyCard sail face 1 launches, and between adjacent sail face 1, has certain pretightning force.
In a preferred embodiment, default folding mode is that Z-type is folding.
In the present embodiment, under rounding state, sail face 1 structure is wrapped in winding axle 3-1 above, inflation after adopting Z-shaped foldingExtending arm 2 adopts curling folding mode, can ensure that the expansion of solar sail structure is stable and launch in the constant situation of rear rigidity, realThe existing maximum ratio that draws in.
As shown in Figure 8, the octagon base 3-4 of controlled orderly inflating expanded self-support type solar sail structure, can reduceMaterials, and then weight reduction; Cube rod 3-2 can be used for fixing inflation valve for spreading arm 2; The outside of cube rod 3-2 also can be provided with useThe guide rail 3-3 launching with guiding inflation valve for spreading arm 2, to ensure initial deployment direction consistent of inflation valve for spreading arm 2.
The outside of support 3 also can be provided with solar panel 3-5, as shown in Figure 9, when rounding state, solar cellPlate 3-5 can protect sail face 1 and the inflation valve for spreading arm 2 of folded inside; After expansion, solar panel 3-5 is with solar-electricityOne side in pond is facing to the sun, can be the expansion of structure and the adjustment of attitude provides the essential energy.
The detailed process that solar sail structure is launched is: first, open the solar panel 3-5 in support 3 outsides, and utilizeSelf-locking device self-locking, solar panel 3-5 faces toward the sun with a side of solar cell, can realize the energy of solar sail structureSource supply; Then, open the valve of each gas filling bottle 4 by control system simultaneously, realize the expansion of extending arm, and then drive sailThe expansion of face 1.
The foregoing is only preferred embodiment of the present invention, not thereby limit embodiments of the present invention and protection modelEnclose, to those skilled in the art, should recognize what all utilizations description of the present invention and diagramatic content had been doneBe equal to the scheme that replacement and apparent variation obtain, all should be included in protection scope of the present invention.

Claims (7)

1. a controlled orderly inflating expanded self-support type solar sail structure, is characterized in that, comprising: support, described support byFour are wound around axle, a cube rod and octagon base composition, and described cube rod is arranged at the centre bit of described octagon basePut, described winding axle is arranged on the edge of described octagon base, and is distributed in the middle part at four non-conterminous edges;
Four sail faces, each described sail face includes a summit and two end points, and described sail face is equal by two curvilinear equationsFor:And a curvilinear equation is:The sail face that surrounds of three curves; Wherein, hRepresent the arch degree of depth of curve ,-l/12≤h≤l/8 ,-l/2≤x≤l/2, l represents the distance between the end points of curve both sides, h1TableShow the arch degree of depth of curve ,-l1/12≤h1≤l1/8,-l1/2≤x1≤l1/2,l1Represent the distance between the end points of curve both sides; OftenDescribed in individual described sail face correspondence one, be wound around axle, adopt respectively default folding mode that described sail face is drawn in described sail face correspondingOn described winding axle, the summit of described sail face is fixed on described winding axle;
Four gas filling bottles, are all arranged at the inner side of described cube rod;
Four inflation valve for spreading arms, gas filling bottle described in each described inflation valve for spreading arm correspondence one, described gas filling bottle fills described in thinkingThe inflation of gas extending arm, the inlet end of described inflation valve for spreading arm connects the described gas filling bottle corresponding with described inflation valve for spreading arm, adjacentThe adjacent end points of two described sail faces is all connected in the connecting rod of the stretching, extension end of same described inflation valve for spreading arm, and four inflations are stretchedExhibition arm is arranged on four faces of cube rod, and the described inflation valve for spreading arm launching is in being wound around in the middle of axle, fills described in eachDistance between gas extending arm and adjacent two described winding axles is identical, and the summit place of described sail face is provided with an internal diameter and twinesAround the identical filler ring of axle external diameter, the sail face in described filler ring is divided into the circular open that 4n zigzag film surrounds, described circleThe radius of shape opening is identical with the radius of described winding axle, and 4n described zigzag film is fixed on described winding axle; Wherein n≥3。
2. controlled orderly inflating expanded self-support type solar sail structure as claimed in claim 1, is characterized in that described filler ringBe positioned at sail vertex of surface place, be connected with winding axle.
3. controlled orderly inflating expanded self-support type solar sail structure as claimed in claim 1, is characterized in that, described inflation is stretchedThe stretch section of exhibition arm comprises that two sub-extending arms and compress controller, and two described sub-extending arms all adopt curling folding, exhibitionTwo faces that contact of sub-extending arm described in latter two of opening adopt respectively hair side and hook face.
4. controlled orderly inflating expanded self-support type solar sail structure as claimed in claim 3, is characterized in that described compression controlDevice processed is made up of locating wheel support and two locating wheels, and wherein two locating wheels are pushed down respectively on corresponding sub-extending arm, and logicalCross the termination that connecting rod is connected to sub-extending arm.
5. controlled orderly inflating expanded self-support type solar sail structure as claimed in claim 3, is characterized in that, described inflation is stretchedThe stretch section of exhibition arm also comprises four semicircular honeycomb block, and every two described honeycomb block are oppositely arranged with predeterminable range, described inSub-extending arm is wound around compression along two described honeycomb block, and the stretching, extension end of described inflation valve for spreading arm is arranged at two described honeycomb blockBetween.
6. controlled orderly inflating expanded self-support type solar sail structure as claimed in claim 1, is characterized in that, described sail face alsoComprise:
Rib, is arranged at the extension of described sail face;
Rope, is arranged at the edge of described rib.
7. controlled orderly inflating expanded self-support type solar sail structure as claimed in claim 1, is characterized in that described connecting rodTwo ends be provided with rotating shaft, the adjacent end points of adjacent two described sail faces is respectively by elasticity connection cord and described rotationAxle connects.
CN201510079527.2A 2015-02-14 2015-02-14 A kind of controlled orderly inflating expanded self-support type solar sail structure Active CN104627389B (en)

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CN106809407B (en) * 2016-12-28 2019-05-07 中国电子科技集团公司第十八研究所 A kind of in-orbit flexible solar cell array expanding unit of spacecraft
CN110371324B (en) * 2019-07-22 2022-03-01 哈尔滨工业大学 Solar sail driven to be unfolded intelligently by multi-stable curved beam
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