CN211494516U - Regular polygon solar sail membrane structure - Google Patents
Regular polygon solar sail membrane structure Download PDFInfo
- Publication number
- CN211494516U CN211494516U CN201922425710.XU CN201922425710U CN211494516U CN 211494516 U CN211494516 U CN 211494516U CN 201922425710 U CN201922425710 U CN 201922425710U CN 211494516 U CN211494516 U CN 211494516U
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- China
- Prior art keywords
- crease line
- solar sail
- line
- valley
- sail membrane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 239000012528 membrane Substances 0.000 title claims abstract description 42
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to the technical field of the space flight and specifically relates to a regular polygon solar sail membrane structure, be equipped with the solar sail membrane in positive multilateral hole including the middle part, each side in positive multilateral hole forms first valley crease line to one side extension, and solar sail membrane falls into a plurality of folding units through each first valley crease line, angular bisector between two first valley crease lines in the folding unit forms first peak crease line, by it does the plumb line to the first valley crease line in both sides respectively to get the perpendicular point on the first peak crease line, wherein forms second peak crease line along the perpendicular line of anticlockwise direction of revolution at first peak crease line rear side, and the perpendicular line of front side forms second valley crease line, and the distance L between perpendicular point and the adjacent first valley crease line is the integral multiple of positive multilateral hole. The utility model discloses solar sail membrane area after having reduced folding to effectively improve the folding and unfolding ratio of solar sail membrane.
Description
Technical Field
The utility model belongs to the technical field of the space flight and specifically relates to a regular polygon solar sail membrane structure.
Background
In the field of aerospace, folding structures are often used, and the folding structures are three-dimensional plates with different shapes formed by folding foldable two-dimensional plates along crease lines of the foldable two-dimensional plates, for example, large-scale solar sail spacecrafts, wherein a solar sail needs to be completely folded and collected in a fairing according to the crease lines of sail films of the solar sail before launching, and the solar sail is completely unfolded after being lifted off, so that the spacecrafts with the solar sail can provide thrust by using the light pressure of sunlight to search the universe. How to realize the quick and effective unfolding of the solar sail membrane is the key, so that how to provide a novel solar sail membrane folding structure with a large folding-unfolding ratio becomes a problem for further thinking.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a regular polygon solar sail membrane structure can reduce the solar sail membrane area after folding, and can realize the self-rotating type when tensile and expand to effectively improve the exhibition ratio of solar sail membrane.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a regular polygon solar sail membrane structure, includes that the middle part is equipped with the solar sail membrane of regular multilateral hole, each side of regular multilateral hole is to one side extension formation first valley crease line, and each first valley crease line is anticlockwise rotation arrangement, and solar sail membrane passes through each first valley crease line and divides into a plurality of folding units, just angular bisector between two first valley crease lines in the folding unit forms first peak crease line), by take the perpendicular point on the first peak crease line respectively to the perpendicular line is done to the first valley crease line of both sides, wherein form the second peak crease line along the perpendicular line of anticlockwise direction of revolution at the rear side of first peak crease line, the perpendicular line of front side forms the second valley crease line, and the distance L between perpendicular point and the adjacent first valley crease line is the integral multiple of length of side of regular multilateral hole.
And each side of the regular polygonal hole is correspondingly parallel to each side boundary of the solar sail film.
The mountain crease lines are folded inwards along a plane when folded, and the valley crease lines are folded outwards along the plane when folded.
The length of the first valley fold line is integral multiple of the length of the side edge of the regular polygonal hole.
When the folding method is used for folding, firstly, carrying out crease folding on all first mountain valley crease lines in the solar sail membrane to divide the solar sail membrane into a plurality of folding units, then, sequentially folding the folding units according to corresponding second mountain valley crease lines and second mountain valley crease lines, then, sequentially folding the corresponding first mountain valley crease lines and first mountain valley crease lines, and sequentially folding and furling the second mountain valley crease lines and the second mountain valley crease lines along the central regular polygonal hole until the solar sail membrane is completely furled on each edge of the regular polygonal hole.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses the interior actual required engineering structure of mountable of folding sun sail membrane center regular polygon to effectively reduce folding sun sail membrane area.
2. The utility model discloses when launching, can stretch a certain plane of outmost folding unit, the sun sail membrane that folds up this moment will carry out the self-rotating along with the pulling force and launch to effectively improve the exhibition ratio of sun sail membrane.
Drawings
FIG. 1 is a perspective view showing the main body of the present invention in a regular quadrilateral configuration,
figure 2 is a top view of the square structure of figure 1,
figure 3 is a schematic view of the first valley crease line of figure 2,
figure 4 is a schematic view of the bisector of the interior angle of the cell of figure 2,
figure 5 is a schematic view of the square configuration of figure 2 when folding is complete,
figure 6 is a top view of the main body of the utility model in a regular triangle,
fig. 7 is a top view of the main body in the case of the regular octagon of the present invention.
The solar sail membrane is characterized in that 1 is a solar sail membrane, 2 is a side boundary, 201 is a first boundary segment, 202 is a second boundary segment, 3 is a regular polygonal hole, 4 is a first valley crease line, 5 is a folding unit, 501 is a first peak crease line, 502 is a second peak crease line, 503 is a second valley crease line, 504 is a plane, and 505 is a vertical point.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-7, the present invention includes a solar sail membrane 1, and the central portion of the solar sail membrane 1 is provided with a regular polygonal hole 3, and each side of the regular polygonal hole 3 is parallel to each side boundary 2 of the solar sail membrane 1, as shown in fig. 3, each side of the regular polygonal hole 3 extends to one side to form a first valley crease line 4, and each first valley crease line 4 is arranged in a counterclockwise rotating manner and divides the solar sail membrane 1 into a plurality of folding units 5, as shown in fig. 4, an angular bisector between two first valley crease lines 4 in the folding units 5 forms a first peak crease line 501, as shown in fig. 2, a perpendicular line is made from a perpendicular point 505 on the first peak crease line 501 to the first valley crease lines 4 on both sides, wherein a perpendicular line in the counterclockwise direction behind the first peak crease line 501 forms a second peak crease line 502, the perpendicular line of the front side forms the second valley crease line 503, and the distance L between the perpendicular point 505 and the adjacent first valley crease line 4 is an integral multiple of the side length of the regular polygonal hole 3. In this embodiment, the peak crease lines are folded inward along a plane when folded, and the valley crease lines are folded outward along a plane when folded.
As shown in fig. 1 to 7, the regular polygonal hole 3 in the middle of the solar sail membrane 1 is any regular polygon, including a regular triangle, a regular quadrangle, a regular hexagon, a regular octagon, and the like, wherein as shown in fig. 7, when the regular polygonal hole 3 is a regular octagon, the solar sail membrane 1 is provided with eight side boundaries 2 which are correspondingly parallel to the sides of the regular polygonal hole 3, and each side boundary 2 includes a first boundary segment 201 and a second boundary segment 202 which are staggered but are parallel to the corresponding side of the regular polygonal hole 3.
The length of the first valley crease line 4 is integral multiple of the length of the side of the regular polygonal hole 3, and the specific length of the first valley crease line 4 is determined according to the thickness of an actual folded material.
The utility model discloses a theory of operation does:
the utility model discloses when folding, carry out the crease folding with all first mountain valley crease lines 4 in the sun sail membrane 1 earlier, pass through on the sun sail membrane 1 this moment the crease can obviously divide into a plurality of folding units 5, then fold folding unit 5 earlier according to corresponding second mountain peak crease line 502 and second mountain valley crease line 503, then folding first mountain valley crease line 4 and first mountain peak crease line 501, drive all second mountain peak crease lines 502 and second mountain valley crease line 503 in the sun sail membrane 1 and fold in proper order along the positive multilateral hole 3 in center, draw in until drawing in each edge in positive multilateral hole 3 completely, accomplish folding step, as shown in fig. 5, the actual required engineering structure of mountable in the positive multilateral hole 3 at folding sun sail membrane 1 center, and effectively reduce the sun sail membrane 1 area after folding.
As shown in fig. 5, when the present invention is unfolded, a certain plane 504 of the outermost folding unit 5 can be stretched, and the folded solar sail membrane 1 will be unfolded in a self-rotating manner along with the pulling force.
Claims (4)
1. A regular polygon solar sail membrane structure is characterized in that: including solar sail membrane (1) that the middle part was equipped with regular polygon hole (3), each side of regular polygon hole (3) is to one side extension formation first valley crease line (4), and each first valley crease line (4) is anticlockwise rotation arrangement, and solar sail membrane (1) falls into a plurality of folding unit (5) through each first valley crease line (4), just angular bisector between two first valley crease lines (4) in folding unit (5) forms first peak crease line (501), by get perpendicular point (505) on first peak crease line (501) and do the perpendicular line to first valley crease line (4) of both sides respectively, wherein form second peak crease line (502) along the perpendicular line of anticlockwise direction of revolution at first peak crease line (501) rear side, the perpendicular line of front side forms second valley crease line (503), and distance L between perpendicular point (505) and adjacent first valley crease line (4) does regular polygon hole (3) An integer multiple of the side length.
2. The regular polygonal solar sail membrane structure of claim 1, wherein: each side of the regular polygonal hole (3) is correspondingly parallel to each side boundary (2) of the solar sail film (1).
3. The regular polygonal solar sail membrane structure of claim 1, wherein: the mountain crease lines are folded inwards along a plane when folded, and the valley crease lines are folded outwards along the plane when folded.
4. The regular polygonal solar sail membrane structure of claim 1, wherein: the length of the first valley crease line (4) is integral multiple of the length of the side of the regular polygonal hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425710.XU CN211494516U (en) | 2019-12-30 | 2019-12-30 | Regular polygon solar sail membrane structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425710.XU CN211494516U (en) | 2019-12-30 | 2019-12-30 | Regular polygon solar sail membrane structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211494516U true CN211494516U (en) | 2020-09-15 |
Family
ID=72395267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922425710.XU Withdrawn - After Issue CN211494516U (en) | 2019-12-30 | 2019-12-30 | Regular polygon solar sail membrane structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211494516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979744A (en) * | 2019-12-30 | 2020-04-10 | 中国科学院沈阳自动化研究所 | Regular polygon solar sail membrane structure and folding method |
-
2019
- 2019-12-30 CN CN201922425710.XU patent/CN211494516U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979744A (en) * | 2019-12-30 | 2020-04-10 | 中国科学院沈阳自动化研究所 | Regular polygon solar sail membrane structure and folding method |
| CN110979744B (en) * | 2019-12-30 | 2024-01-30 | 中国科学院沈阳自动化研究所 | Regular polygon solar sail membrane structure and folding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200915 Effective date of abandoning: 20240130 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200915 Effective date of abandoning: 20240130 |