CN110901957A - Flexible solar cell array for space - Google Patents
Flexible solar cell array for space Download PDFInfo
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- CN110901957A CN110901957A CN201911067312.3A CN201911067312A CN110901957A CN 110901957 A CN110901957 A CN 110901957A CN 201911067312 A CN201911067312 A CN 201911067312A CN 110901957 A CN110901957 A CN 110901957A
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- storage box
- flexible
- solar cell
- cell array
- flexible solar
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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
Abstract
The invention discloses a flexible solar cell array for space, which comprises: an upper storage box, a constraint release mechanism, buffer foam, a flexible array and a lower storage box; the upper collection box and the lower collection box are installed in a butt joint mode; the flexible array is arranged between the upper storage box and the lower storage box; buffer foams are respectively arranged between the flexible array and the upper collection box and between the flexible array and the lower collection box; the constraint releasing mechanism is respectively connected with the upper storage box and the lower storage box, the upper storage box and the lower storage box are constrained together through the lock hook and the hinge lock ring, the flexible array is compressed, and a complete flexible solar cell array for space is formed. The invention adopts the motor-driven integral compression to ensure the safety of the battery circuit and the cables between the boards, and has the advantages of thin furled thickness, small furled volume and large deployable area.
Description
Technical Field
The invention belongs to the technical field of solar cell arrays, and particularly relates to a flexible solar cell array for a space.
Background
In the rigid and semi-rigid solar cell arrays adopted by domestic spacecrafts, gaps are reserved among the cells, the cell is kept from collision through the rigidity of the substrate, the scheme needs larger furling thickness, is not suitable for the solar cell arrays with larger number of substrates, and cannot meet the use requirements of large area and high power of the spacecrafts.
Disclosure of Invention
The technical problem of the invention is solved: the flexible solar cell array for the space overcomes the defects of the prior art, adopts the motor-driven integral compression to ensure the safety of the battery circuit and the cables between the boards, and has the advantages of small furled thickness, small furled volume and large deployable area.
In order to solve the technical problem, the invention discloses a flexible solar cell array for space, which comprises: an upper storage box, a constraint release mechanism, buffer foam, a flexible array and a lower storage box;
the upper collection box and the lower collection box are installed in a butt joint mode;
the flexible array is arranged between the upper storage box and the lower storage box;
buffer foams are respectively arranged between the flexible array and the upper collection box and between the flexible array and the lower collection box;
the constraint releasing mechanism is respectively connected with the upper storage box and the lower storage box, the upper storage box and the lower storage box are constrained together through the lock hook and the hinge lock ring, the flexible array is compressed, and a complete flexible solar cell array for space is formed.
In the above flexible solar cell array for a space, the flexible array includes: a flexible substrate, a battery circuit, and an inter-board cable;
the battery circuit and the inter-board cable are adhered to the front surface of the flexible substrate; when the flexible substrate is in a folded state, the battery circuit and the cables between the plates are in a face-to-face compressed state.
In the flexible solar cell array for space, the pasting precision of the cell circuit and the inter-board cable on the flexible substrate satisfies the following requirements:
the battery circuit is composed of a plurality of battery pieces, the position deviation of each battery piece is not more than 1mm, the height difference of each battery piece in the thickness direction after being pasted is not more than 0.06mm, and no protrusion is arranged on the surface of each battery piece;
the position deviation of the cables between the plates is not more than 1 mm; the height difference of the cables between the plates in the thickness direction is not more than 0.06mm after the cables between the plates are pasted, and no protrusion exists on the surfaces of the cables between the plates.
In the flexible solar cell array for space use, the constraint release mechanism includes: the motor driving component, the four-bar linkage mechanism, the lock hook and the hinge lock ring;
the motor driving component is connected with the four-bar linkage, and the tail end of the four-bar linkage is provided with a lock hook and a hinge lock ring; the motor driving assembly applies driving force through the motor, the driving torque is transmitted to the locking hook through the four-bar mechanism, the upper collection box and the lower collection box are constrained together through the rotation of the locking hook and the cooperation of the hinge locking ring and the application of constraining force, and the space is folded and compacted by the flexible solar cell array.
In the flexible solar cell array for the space, an upper storage box and a lower storage box are both formed by adopting a carbon fiber plate and aluminum honeycomb composite structure; wherein the aluminum honeycomb is positioned between the two carbon fiber plates.
In the flexible solar cell array for the space, the size parameters of the upper storage box and the lower storage box are the same, and the following size requirements are met:
the thickness is as follows: 20 mm-80 mm, length: 1550 mm-3050 mm, width: 400 mm-850 mm.
In the flexible solar cell array for the space, the buffer foam is polyimide or polyurethane foam, and meets the following size requirements:
the thickness is as follows: 10 mm-40 mm, linear stiffness: 1000N/mm-3000N/mm.
In the flexible solar cell array for space, the flexible substrate meets the following dimensional requirements:
the length is as follows: 1500mm to 3000mm, width: 350 mm-800 mm.
In the above-described flexible solar cell array for space use,
the total number of flexible substrates is: 10-100 blocks;
the total thickness of the flexible substrate, the battery circuit and the inter-board cable is as follows: 10 mm-150 mm.
In the above-described flexible solar cell array for space use,
the pressure resistance of the battery circuit and the cable between the boards is not less than: 30000 Pa;
the anti-friction capability of the battery circuit and the cable between the boards is better than that of the following components: the stroke was 4mm under 15000pa pressure and the friction was 6000 times.
The invention has the following advantages:
(1) the invention discloses a flexible solar cell array for space, which adopts motor-driven integral compression to ensure the safety of a cell circuit and cables between boards, and has the advantages of thin furled thickness, small furled volume and large deployable area.
(2) The invention discloses a flexible solar cell array for space, which realizes the protection of a cell circuit and an inter-plate cable in mechanical environments such as test, transportation, emission and the like.
(3) The invention discloses a flexible solar cell array for space, which resists the mechanical environment of an active section in a mode of pressing cell pieces face to face. The flexible array is folded by adopting a storage box with better rigidity, a constraint releasing mechanism is utilized to apply pressing force, and the pressing force is uniformly applied to the flexible array through buffer foam in the storage box, so that the flexible array keeps a certain fundamental frequency in an emitting section to adapt to overload and other environmental requirements.
(4) The flexible solar cell array for the space disclosed by the invention passes multiple rounds of engineering verification, can effectively protect a battery circuit and an inter-board cable, and has excellent operability.
Drawings
FIG. 1 is a schematic diagram of a flexible solar cell array for space use according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a flexible solar array for space use in an embodiment of the invention;
FIG. 3 is a schematic diagram of the composition of a flexible array in an embodiment of the invention;
FIG. 4 is a schematic diagram of a restraint release mechanism according to an embodiment of the invention;
FIG. 5 is a schematic illustration of a friction test in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
The invention discloses a flexible solar cell array for space, which is characterized in that a storage box with better rigidity is adopted to collect the flexible array, a constraint releasing mechanism is utilized to apply pressing force, the storage box and buffer foam are used to uniformly apply the pressing force on the collected flexible array, and the flexible array is enabled to keep a certain fundamental frequency in an emitting section to adapt to overload and other mechanical environment requirements.
As shown in fig. 1 and 2, in the present embodiment, the flexible solar cell array for space includes: an upper storage box 1, a restraint release mechanism 2, a cushioning foam 3, a flexible matrix 7 and a lower storage box 8. Wherein, the upper storage box 1 is butt-jointed with the lower storage box 8; the flexible matrix 7 is arranged between the upper storage box 1 and the lower storage box 8; buffer foams 3 are respectively arranged between the flexible array 7 and the upper collection box 1 and between the flexible array 7 and the lower collection box 8; the constraint releasing mechanism 2 is respectively connected with the upper collection box 1 and the lower collection box 8, the upper collection box 1 and the lower collection box 8 are constrained together through a lock hook 23 and a hinge lock ring 24, and the flexible array 7 is compressed to form a complete flexible solar cell array for space.
In a preferred embodiment of the present invention, as shown in fig. 3, the flexible array 7 may specifically include: a flexible substrate 4, a battery circuit 5 and an inter-board cable 6. The battery circuit 5 and the inter-board cable 6 are bonded to the front surface of the flexible substrate 4. When the flexible substrate 4 is in the collapsed state, the battery circuit 5 and the interplate cables 6 are in a "face-to-face" compressed state.
Preferably, the adhesion precision of the battery circuit 5 and the inter-board cable 6 on the flexible substrate 4 satisfies: a) the battery circuit 5 is composed of a plurality of battery pieces 51, the positional deviation of each battery piece 51 is not more than 1mm, the height difference in the thickness direction of each battery piece 51 after being pasted is not more than 0.06mm, and no protrusion is formed on the surface of each battery piece 51. b) The position deviation of the cables 6 between the plates is not more than 1 mm; the height difference of the cables 6 between the plates in the thickness direction is not more than 0.06mm after being pasted, and no protrusion is arranged on the surfaces of the cables 6 between the plates.
Preferably, the flexible substrate 4 meets the following dimensional requirements: the length is as follows: 1500mm to 3000mm, width: 350 mm-800 mm.
Preferably, the total number of flexible substrates 4 is: 10-100 blocks.
Preferably, the total thickness of the flexible substrate 4, the battery circuit 5 and the inter-board cable 6 is: 10 mm-150 mm.
Preferably, the pressure resistance of the battery circuit 5 and the interplate cable 6 is not less than: 30000 Pa; the anti-friction capability of the battery circuit 5 and the cable 6 between the boards is better than that of the following: the stroke was 4mm under 15000pa pressure and the friction was 6000 times.
In a preferred embodiment of the present invention, as shown in fig. 4, the constraint releasing mechanism 2 may specifically include: a motor drive assembly 21, a four-bar linkage 22, a latch hook 23 and a hinged locking ring 24. The motor driving assembly 21 is connected with a four-bar linkage 22, and a locking hook 23 and a hinge locking ring 24 are arranged at the tail end of the four-bar linkage 22. When the solar storage box works, the motor driving assembly 21 applies driving force through the motor, the four-bar mechanism 22 transmits driving torque to the locking hook 23, the locking hook 23 rotates and the hinge locking ring 24 is matched to apply constraint force to constrain the upper storage box 1 and the lower storage box 8 together, and the space is folded and compacted by the flexible solar cell array.
It should be noted that the present invention realizes distributed compression by the constraint releasing mechanism 2: the pressing force is uniformly applied to the furled flexible array 7 through the rigid upper and lower storage boxes and the flexible buffer foam, so that the purpose of protecting the flexible substrate 4, the battery circuit 5 and the cables 6 between the plates in the flexible array 7 is achieved. The constraint release mechanism 2 adopts a distributed integral compression scheme that a motor driving assembly 21 drives a four-bar linkage 22, the four-bar linkage drives a lock hook 23 to rotate, a hinge lock ring 24 is matched with the lock hook 23 to realize compression and unlocking of the solar cell array, and the hinge lock ring 24 and the lock hook 23 are symmetrically distributed on two sides of the array surface. Wherein the hinge shackle 24 and the shackle 23 are used in pairs.
In a preferred embodiment of the present invention, the upper storage box 1 and the lower storage box 8 are both made of a composite structure of carbon fiber plates and aluminum honeycomb. The storage box 1 is illustrated as an example, as shown in fig. 2, the upper storage box 1 is composed of a carbon fiber plate 11 and an aluminum honeycomb 12 composite structure; wherein the aluminum honeycomb 12 is located between two carbon fiber plates 11.
Preferably, the upper storage box 1 and the lower storage box 8 have the same size parameters and meet the following size requirements: the thickness is as follows: 20 mm-80 mm, length: 1550 mm-3050 mm, width: 400 mm-850 mm.
In a preferred embodiment of the present invention, the cushion foam 3 is polyimide or polyurethane foam, and satisfies the following dimensional requirements: the thickness is as follows: 10 mm-40 mm, linear stiffness: 1000N/mm-3000N/mm.
Example 2
In addition to the above-described embodiments, a compression test, a friction test, and the like of the battery circuit 5 and the inter-board cable 6 are described.
As shown in fig. 5, the battery circuit 5 and the inter-board cable 6 adhered to the flexible substrate 4 are pressed face to face, a pressing force F is applied, and the appearance and the electrical properties of the battery circuit 5 and the inter-board cable 6 are inspected after the pressing; the right drawing is a schematic diagram of a friction test, wherein the battery circuit 5 and the cables 6 between the boards adhered on the flexible substrate 4 are pressed face to face, a pressing force F is applied, the pressed battery circuit 5 and the cables 6 between the boards are mechanically moved relatively V, and the appearance and the electrical property of the battery circuit 5 and the cables 6 between the boards are checked after mutual friction. Wherein, through the combined action of structure and mechanism, packing force F satisfies following requirement: 5000Pa to 20000 Pa.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (10)
1. A spatially flexible solar cell array, comprising: an upper storage box (1), a constraint release mechanism (2), buffer foam (3), a flexible matrix (7) and a lower storage box (8);
the upper storage box (1) and the lower storage box (8) are installed in a butt joint way;
the flexible array (7) is arranged between the upper storage box (1) and the lower storage box (8);
buffer foams (3) are respectively arranged between the flexible matrix (7) and the upper storage box (1) and between the flexible matrix (7) and the lower storage box (8);
the constraint releasing mechanism (2) is respectively connected with the upper storage box (1) and the lower storage box (8), the upper storage box (1) and the lower storage box (8) are constrained together through the locking hook (23) and the hinge locking ring (24), the flexible array (7) is compressed, and a complete flexible solar cell array for space is formed.
2. The spatially flexible solar cell array according to claim 1, characterized in that the flexible array (7) comprises: a flexible substrate (4), a battery circuit (5) and an inter-board cable (6);
the battery circuit (5) and the inter-board cable (6) are adhered to the front surface of the flexible substrate (4); when the flexible substrate (4) is in a furled state, the battery circuit (5) and the cables (6) between the plates are in a face-to-face pressing state.
3. The space flexible solar cell array according to claim 2, wherein the pasting precision of the cell circuit (5) and the inter-board cable (6) on the flexible substrate (4) is satisfied:
the battery circuit (5) is composed of a plurality of battery pieces (51), the position deviation of each battery piece (51) is not more than 1mm, the height difference of each battery piece (51) in the thickness direction after being pasted is not more than 0.06mm, and no protrusion is arranged on the surface of each battery piece (51);
the position deviation of the cables (6) between the plates is not more than 1 mm; the height difference of the cables (6) between the plates in the thickness direction is not more than 0.06mm after being pasted, and no protrusion is arranged on the surface of the cables (6) between the plates.
4. The spatially flexible solar cell array according to claim 1, wherein the constraint release mechanism (2) comprises: the device comprises a motor driving component (21), a four-bar linkage mechanism (22), a lock hook (23) and a hinge lock ring (24);
the motor driving assembly (21) is connected with the four-bar linkage mechanism (22), and the tail end of the four-bar linkage mechanism (22) is provided with a locking hook (23) and a hinge locking ring (24); the motor driving assembly (21) applies driving force through a motor, the four-bar mechanism (22) transmits driving torque to the locking hook (23), the locking hook (23) rotates and the hinge locking ring (24) is matched to apply constraint force to constrain the upper storage box (1) and the lower storage box (8) together, and the space is folded and compacted by the flexible solar cell array.
5. The spatial flexible solar cell array as claimed in claim 1, wherein the upper storage box (1) and the lower storage box (8) are both made of a composite structure of carbon fiber plates and aluminum honeycombs; wherein the aluminum honeycomb is positioned between the two carbon fiber plates.
6. The spatial flexible solar cell array as claimed in claim 1 or 5, wherein the upper storage box (1) and the lower storage box (8) have the same size parameters, and satisfy the following size requirements:
the thickness is as follows: 20 mm-80 mm, length: 1550 mm-3050 mm, width: 400 mm-850 mm.
7. The spatial flexible solar cell array according to claim 1, characterized in that the buffer foam (3) is a polyimide or polyurethane foam satisfying the following dimensional requirements:
the thickness is as follows: 10 mm-40 mm, linear stiffness: 1000N/mm-3000N/mm.
8. The spatially flexible solar cell array according to claim 2, characterized in that the flexible substrate (4) meets the following dimensional requirements:
the length is as follows: 1500mm to 3000mm, width: 350 mm-800 mm.
9. The spatially flexible solar cell array of claim 8,
the total number of flexible substrates (4) is: 10-100 blocks;
the total thickness of the flexible substrate (4), the battery circuit (5) and the inter-board cable (6) is as follows: 10 mm-150 mm.
10. The spatially flexible solar cell array of claim 9,
the pressure resistance of the battery circuit (5) and the inter-board cable (6) is not less than: 30000 Pa;
the anti-friction capability of the battery circuit (5) and the cable (6) between the plates is better than that of the following components: the stroke was 4mm under 15000pa pressure and the friction was 6000 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067312.3A CN110901957B (en) | 2019-11-04 | 2019-11-04 | Flexible solar cell array for space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067312.3A CN110901957B (en) | 2019-11-04 | 2019-11-04 | Flexible solar cell array for space |
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| CN110901957A true CN110901957A (en) | 2020-03-24 |
| CN110901957B CN110901957B (en) | 2022-04-19 |
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| CN201911067312.3A Active CN110901957B (en) | 2019-11-04 | 2019-11-04 | Flexible solar cell array for space |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537710A (en) * | 2022-01-18 | 2022-05-27 | 上海卫星工程研究所 | Flexible solar cell array pressing device, working method and satellite |
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| CN204204816U (en) * | 2014-11-21 | 2015-03-11 | 徐州一帆新能源科技有限公司 | Solar battery sheet sorting bogey |
| CN204290853U (en) * | 2014-11-07 | 2015-04-22 | 安徽省天利能源有限公司 | The flexible solar panel device that a kind of expanded area is adjustable |
| CN108173504A (en) * | 2017-12-31 | 2018-06-15 | 李少许 | A kind of environmentally protective flexible solar panel |
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2019
- 2019-11-04 CN CN201911067312.3A patent/CN110901957B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101138096A (en) * | 2005-03-11 | 2008-03-05 | Bp北美公司 | Integrated solar cell roofing system and method of manufacture |
| CN201112394Y (en) * | 2007-07-06 | 2008-09-10 | 叶少军 | Foldable solar energy battery panel set |
| CN105474783B (en) * | 2011-12-14 | 2014-06-25 | 上海宇航系统工程研究所 | One can repeat to compress releasing mechanism |
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| CN103208542A (en) * | 2013-03-11 | 2013-07-17 | 张国柱 | Damping device of solar cell panel and solar cell panel with damping device |
| CN204290853U (en) * | 2014-11-07 | 2015-04-22 | 安徽省天利能源有限公司 | The flexible solar panel device that a kind of expanded area is adjustable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114537710A (en) * | 2022-01-18 | 2022-05-27 | 上海卫星工程研究所 | Flexible solar cell array pressing device, working method and satellite |
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