CN112644736B - Deflection folding inflatable block point connection capsule shell structure - Google Patents
Deflection folding inflatable block point connection capsule shell structure Download PDFInfo
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- CN112644736B CN112644736B CN202110008547.6A CN202110008547A CN112644736B CN 112644736 B CN112644736 B CN 112644736B CN 202110008547 A CN202110008547 A CN 202110008547A CN 112644736 B CN112644736 B CN 112644736B
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- protective layer
- film
- space
- inflatable
- edge
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- 239000002775 capsule Substances 0.000 title claims abstract description 48
- 239000011241 protective layer Substances 0.000 claims abstract description 57
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 42
- 239000010409 thin film Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 abstract description 2
- 230000002498 deadly effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
- B64G1/2221—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state characterised by the manner of deployment
- B64G1/2227—Inflating
Abstract
The invention discloses a deflection-folding inflatable block point-connection capsule shell structure, which is cylindrical and comprises an inner film, an outer film and a protective layer; the protective layer is connected between inner film and outer film in a protective layer blocking mode, the protective layer blocking is a cuboid, no interval is arranged between different protective layer blocking closely, the cuboid has an upper inner edge and a lower outer edge, each edge has two corner points, one corner point of the upper inner edge of the protective layer blocking is connected with the inner film, one corner point of the lower outer edge of the protective layer blocking is connected with the outer film, and deflection folding and unfolding of the space capsule are carried out by taking the corner points as centers. The invention can fully consider the integral folding of the thickness, more effectively resist the micrometallite impact from the space, and can isolate the deadly cosmic rays from the sun in the space, thereby ensuring the safety of the space capsule, and simultaneously can unfold a larger internal space under the same compression state volume.
Description
Technical Field
The invention relates to an inflatable block point connection capsule shell structure, in particular to an integral folding type capsule shell structure with a thickness considered.
Background
The inflatable space capsule is a space capsule which can be inflated and expanded and can be folded and contracted. After the inflatable space capsule enters the track, the inflatable space capsule is inflated and unfolded, so that the inner space is expanded, and the crew can enter the inflatable space capsule through the hatch and carry out related work. And after the task is finished, the structure is folded again and flies back to the earth together with the main structure. The inflatable space capsule is characterized in that: the inflatable module is structurally divided into a structural core and an inflatable shell. In the launch body structure, the shell wall thickness of the inflatable chamber is folded and placed around the structure core by vacuum compression. Upon deployment, the wall thickness of the inflated shell expands around the structural core.
The folding scheme of the capsule determines the expansion and contraction of the capsule. Because the external environment in space is relatively complex, the capsule shell needs to resist the impact of micrometalites in space and isolate the deadly cosmic rays from the sun, and the capsule shell has a certain thickness, and the overall folding and unfolding of the thickness of the capsule shell needs to be considered for more accurate calculation. However, many conventional folding and unfolding design schemes cannot consider the overall folding and unfolding of the thickness, and certain errors are generated in the performance estimation of the structure.
Disclosure of Invention
The invention aims to solve the technical problem that the defects in the prior art are overcome, and the integrally-folded inflatable space capsule block point folding and unfolding design scheme considering the thickness is designed, folding and unfolding are carried out by taking the upper edge corner point of the protective layer block and the lower edge corner point of the body diagonal as the centers, the integral folding of the thickness can be considered, the performance of the structure can be estimated more accurately, and the integrally-folded inflatable space capsule block point folding and unfolding design method has the advantages of high design reliability, simplicity in design and the like.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention provides an inflatable partitioned point-connected capsule shell structure, which is cylindrical and comprises an inner film, an outer film and a protective layer; the protective layers are connected between the inner thin film and the outer thin film in a blocking mode, and all the protective layer blocks are uniformly distributed on the periphery of the space capsule; the protective layer blocks forming the protective layer are cuboids, different protective layer blocks are closely arranged without intervals, each cuboid is provided with an upper inner edge and a lower outer edge, each edge is provided with two corner points, the protective layer blocks are connected with the inner film at one corner point of the upper inner edge of the protective layer blocks, the protective layer blocks are connected with the outer film at one corner point of the lower outer edge of the body diagonal of the corner point connected with the inner film, and the connected corner points are used as centers for deflection folding and unfolding of the space capsule.
The inflatable space capsule shell of the cylinder is divided into a protective layer, an inner film and an outer film which are used for approximately partitioning the structure into cuboid blocks. When the structure is folded, the shell protective layer of the inflatable chamber is compressed by vacuum, folded and deflected to be placed around the structure core. Each protective layer is connected with the inner film of the inflatable cabin only through one corner of the upper inner edge, the corner of the lower outer edge of the diagonal of the protective layer is connected with the outer film, and folding and unfolding are carried out by taking the connected edges as centers during folding and unfolding of the space cabin.
The protective layer is made of foam protective materials. In order to protect the internal structure, the foam protective material is arranged in a discontinuous manner, the foam protective material being broken at the fold.
The inflatable blocking line is connected with the capsule structure, and when the capsule is folded and unfolded, the protective layer is coordinated and deformed by taking the angular points of the connection between each inner film and each outer film and the protective layer as the center. After the film of the inflatable chamber is folded, the film of the inflatable chamber is contracted in the axial direction, namely, after the inner film of the inflatable chamber is folded, the axial height of the structure of the inflatable chamber is obviously reduced, and the whole structure is folded into a cylinder with smaller height. When the inflatable cabin is unfolded, the film of the inflatable cabin expands, the axial height of the structure of the inflatable cabin is obviously increased, and the whole structure is unfolded into a cylinder with larger height.
Compared with the prior art, the invention has the following beneficial effects:
through with capsule casing protective layer piecemeal, the corner joint of higher authority lower limb department folds exhibition and shrink as the center, but the whole folding of thickness is fully considered, and the design reliability is high, and the design is simple, and protective layer thickness prevents the impact of the little object of space for protection major structure, effectively resists the destruction that various factors of space external environment probably produced the capsule. When the space capsule is unfolded, the structure performance is stable, and the operation of personnel in the space capsule can be effectively and safely finished. The folding rate of the invention has obvious advantages, the internal space is large when the space capsule is unfolded under the same compression state volume, the damage to the structure is small when the space capsule is unfolded and stored, and the space can be repeatedly used.
Drawings
FIG. 1 is a schematic diagram of the structure and the expanded state of the present invention.
Fig. 2 is a schematic diagram of the principle of block point connection.
Fig. 3 is a schematic diagram of a structural protective layer block folding process.
Figure 4 is a schematic view of the space capsule in a contracted state.
Fig. 5 is a schematic diagram of a blocking and interrupting arrangement of a protective layer of a space capsule.
Reference numbers in the figures: 1. an inner film; 2. an outer film; 3. a protective layer; 4. partitioning a protective layer; 5. the upper edge corner joint; 6. and the lower edge corner point is connected.
Detailed Description
The invention is further described in detail below with reference to the following figures and examples:
as shown in fig. 1, the inflatable blocking line connecting space capsule shell structure of the invention is divided into three layers of an inner film 1, an outer film 2 and a protective layer 3, wherein the protective layer 3 is blocked in an approximately cuboid mode. All the protective layers are uniformly distributed around the space capsule in blocks, and are closely arranged without intervals.
As shown in figure 2, the inflatable cabin protection layer blocks 4 are connected with the inner film 1 through the upper edge corner joint 5 at the inner edge of the upper part of the block, and are connected with the outer film 2 of the inflatable cabin through the lower edge corner joint 6 at the lower outer edge corner of the diagonal of the block through adhesive bonding, similarly, each protection layer block is connected with the inner film through the upper inner edge corner of the protection layer block, and is connected with the outer film of the inflatable cabin through the lower outer edge corner of the diagonal of the protection layer block, and each protection layer block is integrated through the connection mode.
As shown in fig. 3, when the inflatable cabin is folded, each protection layer angular point connected with the inner film and the outer film is taken as a center, the inner film and the outer film are respectively and independently folded, the protection layer blocks are also folded, in the folding process, each protection layer is turned upwards by taking the angular point at the joint of the protection layer and the inner film and the outer film as the center, the protection layer blocks realize the conversion from the state with larger axial height to the state with larger radial length, the axial height of each block is converted into the radial extension length, and the angular point at the joint of the protection layer and the inner film is taken as the center, and the deflection is generated around the axial direction. And simultaneously the protective layer blocks are compressed in vacuum.
As shown in figure 4, when the capsule is folded, the inner film is radially folded, the axial height of the whole structure is obviously reduced, and after the protective layers are turned upwards and deflected, the protective layers are stacked together. The overall structure height can be reduced in the folding process, and the axial direction can be contracted, so that the space capsule can be accommodated.
As shown in fig. 5, the capsule and the protective layer foam protective material of the capsule structure are arranged discontinuously, and the protective layer foam protective material is broken at the upper, lower, left and right edges of the block, with a breaking distance of zero.
Claims (5)
1. A deflection-folding inflatable blocking point-connection capsule shell structure is a cylindrical structure and comprises an inner film (1), an outer film (2) and a protective layer (3); the protective layer (3) is connected between the inner film (1) and the outer film (2) in a protective layer block mode, and all the protective layer blocks are uniformly distributed on the periphery of the space capsule; the method is characterized in that: the protective layer blocks forming the protective layer (3) are cuboids, different protective layer blocks are closely arranged without intervals, each cuboid is provided with an upper inner edge and a lower outer edge, each edge is provided with two corner points, one corner point of the upper inner edge of each protective layer block is connected with the inner thin film (1), each protective layer block is connected with the outer thin film (2) at one corner point of the lower outer edge of the body diagonal of the corner point connected with the inner thin film, and the corner point connected with the inner thin film (1) and the corner point connected with the outer thin film (2) are respectively used as centers to fold and unfold the space capsule.
2. The inflatable segmented point-connect capsule shell structure of claim 1, wherein: the protective layer blocks are connected with the inner film (1) in a gluing way.
3. The inflatable segmented point-connect capsule shell structure of claim 1, wherein: the protective layer blocks are connected with the outer film (2) in a gluing way.
4. The inflatable segmented point-connect capsule shell structure of claim 1, wherein: the protective layer is made of foam protective materials.
5. The inflatable segmented point-connect capsule shell structure of claim 1, wherein: when the space capsule is folded and unfolded, the protective layer angular points connected with the inner film and the outer film are used as centers, wherein the inner film and the outer film are respectively folded independently, the inner film shrinks radially, the protective layer blocks are folded, the conversion from a state with larger axial height to a state with larger radial length is realized, the axial height of each protective layer block is converted into the radial extension length, the connecting angular points of the upper inner edge and the lower inner edge are used as centers to deflect around the axial direction, meanwhile, the protective layer blocks can be subjected to vacuum compression, the size of each protective layer block is reduced, and after each protective layer block is turned up and deflected, each protective layer block is stacked together; when the inflatable cabin is folded, the height is reduced in the folding process, and the axial direction contracts, so that the space cabin is stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110008547.6A CN112644736B (en) | 2021-01-05 | 2021-01-05 | Deflection folding inflatable block point connection capsule shell structure |
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| CN202110008547.6A CN112644736B (en) | 2021-01-05 | 2021-01-05 | Deflection folding inflatable block point connection capsule shell structure |
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| Publication Number | Publication Date |
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| CN112644736A CN112644736A (en) | 2021-04-13 |
| CN112644736B true CN112644736B (en) | 2022-04-08 |
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| CN202110008547.6A Active CN112644736B (en) | 2021-01-05 | 2021-01-05 | Deflection folding inflatable block point connection capsule shell structure |
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| CN113187314A (en) * | 2021-05-12 | 2021-07-30 | 哈尔滨工业大学建筑设计研究院 | Hexagonal inflatable unfolding building module applied to moon building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4860975A (en) * | 1988-12-30 | 1989-08-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Smart tunnel - docking mechanism |
| CN104691787A (en) * | 2014-12-31 | 2015-06-10 | 哈尔滨工业大学 | Inflatable spreading support framework for multi-layer sandwich air inflation cabin |
| CN108528762B (en) * | 2018-04-13 | 2021-03-23 | 哈尔滨工业大学 | Stretching type deployable space capsule section framework structure |
| CN110978680B (en) * | 2019-10-30 | 2021-10-01 | 北京空间飞行器总体设计部 | Space multifunctional inflatable sealed cabin skin structure suitable for manned environment |
| CN110775298B (en) * | 2019-11-29 | 2023-04-25 | 上海宇航系统工程研究所 | Protective layer structure of inflation cabin |
| CN111055559A (en) * | 2019-12-31 | 2020-04-24 | 航天科工空间工程发展有限公司 | Self-rigidized composite film for space inflation unfolding structure |
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| CN112644736A (en) | 2021-04-13 |
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