CN110901958A - Lightweight foldable large-scale flexible solar cell array supporting structure - Google Patents
Lightweight foldable large-scale flexible solar cell array supporting structure Download PDFInfo
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- CN110901958A CN110901958A CN201911143926.5A CN201911143926A CN110901958A CN 110901958 A CN110901958 A CN 110901958A CN 201911143926 A CN201911143926 A CN 201911143926A CN 110901958 A CN110901958 A CN 110901958A
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- solar cell
- cell array
- tube
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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
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/44—Arrangements or adaptations of power supply systems using radiation, e.g. deployable solar arrays
- B64G1/443—Photovoltaic cell arrays
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- Aviation & Aerospace Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a lightweight foldable large-scale flexible solar cell array supporting structure in the technical field of spacecraft structures and mechanisms, which comprises supporting tubes, a solar cell array and a transverse tube, wherein the supporting tubes are arranged on the supporting tubes; the plurality of transverse pipes are connected between the two supporting pipes in parallel, and the solar cell array is laid on the transverse pipes; the stay tube equipartition has U type groove, U type groove can fold and expand the action. According to the invention, the high-storage-ratio folding and lightweight design of the solar cell array can be realized through the simple thin-wall carbon fiber tube design and the application of the flexible thin-film solar cell.
Description
Technical Field
The invention relates to the technical field of spacecraft structures and mechanisms, in particular to a light-weight foldable large-scale flexible solar cell array supporting structure which is suitable for high storage ratio folding and light-weight design of a satellite solar cell array.
Background
The power supply of the artificial satellite generally adopts solar cells, and a solar cell panel assembly is arranged on the satellite and used for collecting sunlight and converting light energy into electric energy to supply power to the satellite. Most of the solar cell panels are hard metal plates which are folded on the satellite, and after entering the space, the metal plates are unfolded so as to collect sunlight.
With the development of spacecraft technology, large planes such as: the application of solar sails, antennas, reflectors and the like on the spacecraft is becoming wide, the requirement on the size is increasing day by day, but the conventional folding mode is small in storage ratio, the weight of a unfolding mechanism is large, the reliability of multiple joints is reduced, and therefore the solar sails, the antennas, the reflectors and the like are not suitable for being applied to future spacecraft.
The above technical problems provide demands for folding and unfolding and light weight of large flat solar cell arrays on spacecrafts. Therefore, from the aspects of product simplicity and practicability, the invention designs a light-weight foldable large-scale flexible solar cell array supporting structure.
Through the search of the prior art, the chinese invention patent No. CN201610202262 is named as a flexible solar wing for satellite power supply and a two-degree-of-freedom storage device applied to the flexible solar wing, and the flexible solar wing includes: an elastic support rod which is arranged on the satellite and protrudes outwards; and the flexible wings are connected with the satellite and the end parts of the elastic supporting rods far away from the satellite, and the front surfaces of the flexible wings are provided with solar cells in an array. The solar cell is supported by the flexible wings, so that the solar cell can be conveniently folded and furled, the occupied space is small, the plane after unfolding is large, the high-power supply of the whole satellite can be better met by tracking the sun in a two-degree-of-freedom mode, the flexible wings are light in weight, and the problems of large occupied space and large weight of a solar cell module made of metal plates are solved. The device structure and operation are complicated, can not effectively solve the lightweight problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a light foldable large-scale flexible solar cell array support structure.
The invention provides a light foldable large-scale flexible solar cell array supporting structure which comprises supporting tubes, a solar cell array and a transverse tube;
the plurality of transverse pipes are connected between the two supporting pipes in parallel, and the solar cell array is laid on the transverse pipes;
the stay tube equipartition has U type groove, the stay tube passes through U type groove can fold and expand the action. A U-shaped groove is formed by punching a hole on the supporting tube through material processing, the circular tube is not easy to fold, but the section of the U-shaped groove is not a complete circle, so that the circular tube is easy to fold.
In some embodiments, the plurality of cross tubes are connected in parallel between the two support tubes by means of glue.
In some embodiments, the support tube is a thin-walled carbon fiber energy storage tube. The thin-wall carbon fiber energy storage tube obtains unfolding power through elastic potential energy generated by folding the material.
In some embodiments, the cross tube is a carbon fiber tube.
In some embodiments, the solar cell array is composed of flexible thin film solar cell sheets.
In some embodiments, the support tube is crimped about a polygon to form a polygonal crimped fold shape.
In some embodiments, the support tube is folded in a Z-shaped manner and locked into a Z-shape.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the high-storage-ratio folding and lightweight design of the solar cell array can be realized through the simple thin-wall carbon fiber tube design and the application of the flexible thin-film solar cell.
2. The invention has the characteristics of convenient folding, small folded volume, light weight, no gap in an unfolding structure, high unfolding reliability and the like.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the polygonal rolled state of the present invention;
FIG. 3 is a schematic view of the Z-shaped curl of the present invention in a collapsed state.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The invention provides a light foldable large-scale flexible solar cell array supporting structure, which comprises a supporting tube 1, a solar cell array 2 and a transverse tube 3;
the plurality of transverse pipes 3 are connected between the two support pipes 1 in parallel, and the solar cell array 2 is laid on the transverse pipes 3;
u-shaped grooves 11 are uniformly distributed on the supporting tube 1, and the supporting tube 1 can be folded and unfolded through the U-shaped grooves 11.
The supporting tube 1 is used as a core supporting structure for folding and unfolding, each U-shaped groove 11 is regarded as a flexible hinge in the folding and unfolding process, unfolding power is provided, certain structural rigidity is kept after the U-shaped grooves are unfolded, and the problem that the U-shaped grooves are folded and folded in at a high storage ratio can be well solved; the solar cell array 2 is flexible and can be folded; the transverse pipe 3 plays a supporting role for the plane of the solar cell array 2, so that the array surface has certain rigidity.
The supporting tube 1 is a thin-wall carbon fiber energy storage tube. Sufficient intensity can be guaranteed to the stay tube 1 of carbon fiber material preparation, and thin-walled structure makes to possess the light characteristic of quality simultaneously, when guaranteeing structural strength, satisfies solar array bearing structure lightweight requirement well.
The transverse tube 2 is a carbon fiber tube. The transverse pipe 2 made of the carbon fiber material has light weight, can ensure enough strength, and can well meet the requirement of light weight of a solar cell array supporting structure.
The solar cell array 2 is composed of flexible thin film solar cells. The flexible thin film solar cell array 2 is formed by the flexible thin film solar cell sheets, so that the array surface is flexible and foldable, the structural quality of the solar cell array 2 is reduced compared with the prior art, and the overall quality of a solar cell array supporting structure is further reduced.
The support tube 1 is curled and folded by taking a polygon as a center to form a polygonal curled and folded shape. The uniformly distributed U-shaped groove carbon fiber energy storage supporting tube 1 is curled and folded by taking a polygon as a center, is locked and kept in a folded state after being folded for a plurality of circles, is folded into a polygonal curled shape, and is rotated by a motor to control orderly unfolding of the array surface after being unlocked by entering a rail. The folding type folding chair has the characteristics of convenience in folding, small folding volume, light weight, no clearance in an unfolding structure, high unfolding reliability and the like.
The supporting tube 1 is folded in a Z-shaped mode and locked to form a Z shape. The uniformly distributed U-shaped groove carbon fiber energy storage supporting tube 1 is folded in a Z-shaped folding mode, locked and kept in a folded state, and after the carbon fiber energy storage supporting tube is unlocked by entering the rail, the array surface is automatically unfolded. The folding type folding chair has the characteristics of convenience in folding, small folding volume, light weight, no clearance in an unfolding structure, high unfolding reliability and the like.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (7)
1. A light foldable large-scale flexible solar cell array supporting structure is characterized by comprising supporting tubes (1), a solar cell array (2) and a transverse tube (3);
the transverse pipes (3) are connected between the two supporting pipes (1) in parallel, and the solar cell array (2) is laid on the transverse pipes (3);
the supporting tube (1) is evenly distributed with U-shaped grooves (11), and the supporting tube (1) can be folded and unfolded through the U-shaped grooves (11).
2. The large flexible solar cell array support structure of claim 1, characterized in that a plurality of said horizontal tubes (3) are connected in parallel between two said support tubes (1) by means of glue joint.
3. The large flexible solar array support structure of lightweight and foldable as claimed in claim 1, characterized in that the support tube (1) is a thin-walled carbon fiber energy storage tube.
4. The large, lightweight, foldable, flexible solar cell array support structure according to claim 1, wherein the cross tube (2) is a carbon fiber tube.
5. The large flexible light-weight foldable solar cell array support structure according to claim 1, wherein the solar cell array (2) is composed of flexible thin film solar cell sheets.
6. The large flexible solar cell array support structure of claim 1, characterized in that the support tube (1) is folded in a polygonal roll shape with a polygonal center.
7. The large flexible solar cell array support structure of claim 1, characterized in that the support tube (1) is folded in a Z-shaped manner and locked to form a Z-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143926.5A CN110901958A (en) | 2019-11-20 | 2019-11-20 | Lightweight foldable large-scale flexible solar cell array supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143926.5A CN110901958A (en) | 2019-11-20 | 2019-11-20 | Lightweight foldable large-scale flexible solar cell array supporting structure |
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| Publication Number | Publication Date |
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| CN110901958A true CN110901958A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911143926.5A Pending CN110901958A (en) | 2019-11-20 | 2019-11-20 | Lightweight foldable large-scale flexible solar cell array supporting structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1176184A (en) * | 1966-05-26 | 1970-01-01 | Boelkow Gmbh | Extensible Outrigger for a Spacecraft |
| US6321503B1 (en) * | 1999-11-16 | 2001-11-27 | Foster Miller, Inc. | Foldable member |
| WO2007141478A1 (en) * | 2006-06-06 | 2007-12-13 | Qinetiq Limited | A self opening hinges |
| WO2011109275A1 (en) * | 2010-03-03 | 2011-09-09 | Composite Technology Development, Inc. | Deployable structures having collapsible structural members |
| CN207208498U (en) * | 2017-06-12 | 2018-04-10 | 华南理工大学 | A kind of submissive folding and unfolding mechanism of multistable |
| CN209225429U (en) * | 2018-11-07 | 2019-08-09 | 哈尔滨工业大学 | A kind of flexibility sun wing mechanism |
-
2019
- 2019-11-20 CN CN201911143926.5A patent/CN110901958A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1176184A (en) * | 1966-05-26 | 1970-01-01 | Boelkow Gmbh | Extensible Outrigger for a Spacecraft |
| US6321503B1 (en) * | 1999-11-16 | 2001-11-27 | Foster Miller, Inc. | Foldable member |
| WO2007141478A1 (en) * | 2006-06-06 | 2007-12-13 | Qinetiq Limited | A self opening hinges |
| WO2011109275A1 (en) * | 2010-03-03 | 2011-09-09 | Composite Technology Development, Inc. | Deployable structures having collapsible structural members |
| CN207208498U (en) * | 2017-06-12 | 2018-04-10 | 华南理工大学 | A kind of submissive folding and unfolding mechanism of multistable |
| CN209225429U (en) * | 2018-11-07 | 2019-08-09 | 哈尔滨工业大学 | A kind of flexibility sun wing mechanism |
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Application publication date: 20200324 |