CN115258203B - Flexible solar wing mechanism capable of being unfolded around shaft - Google Patents
Flexible solar wing mechanism capable of being unfolded around shaft Download PDFInfo
- Publication number
- CN115258203B CN115258203B CN202210980288.8A CN202210980288A CN115258203B CN 115258203 B CN115258203 B CN 115258203B CN 202210980288 A CN202210980288 A CN 202210980288A CN 115258203 B CN115258203 B CN 115258203B
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- bevel gear
- solar wing
- unfolding
- magnetic attraction
- rotating disc
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- 238000004804 winding Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000008602 contraction Effects 0.000 description 2
- 235000011449 Rosa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the field of solar wing unfolding, in particular to a flexible solar wing mechanism for unfolding around a shaft, which comprises a supporting plate, a solar wing, a movable guiding mechanism and an unfolding mechanism; the right end of the supporting plate is provided with a magnetic attraction device; the lower end of the left side of the supporting plate is connected with a mounting plate; the mounting plate is used for supporting the moving guide mechanism and the unfolding mechanism; one end of the solar wing is wound on a winding rod positioned at the central position inside the solar wing, and the other end of the solar wing is fixedly connected with the upper end of the supporting plate; according to the invention, the motor is used for controlling the unfolding speed of the solar wing, so that the problem of failure in unfolding the solar wing caused by excessive impact force is prevented; according to the invention, the magnetic attraction devices are respectively arranged at the initial position and the unfolded position of the solar wing, so that the unfolding or folding stability of the solar wing can be ensured.
Description
Technical Field
The invention relates to the field of solar wing unfolding, in particular to a flexible solar wing mechanism capable of being unfolded around a shaft.
Background
The active spacecraft mainly adopts three kinds of deployable solar wings: 1) The rigid, multi-plate and Z-shaped folding solar wing is driven by a spring and unfolded in place and locked at one time, and the solar wing is widely applied to cover various power-requiring spacecrafts, and has high technical maturity and reliability; 2) Flexible wings supported by the expandable truss, such as space stops; 3) The flexible wing which is folded and unfolded is integrally wound, so that the folding efficiency is high, such as the ROSA solar wing in the United states. Wherein, the density of the class 1 solar wing surface is relatively high; the class 2 and 3 solar wings have repeated folding and unfolding capability, are suitable for application scenes with larger size requirements, and otherwise, the mass of the unfolding mechanism is larger. Therefore, for the special application scene that the unfolding area is relatively small, the requirement of repeated folding and unfolding functions is met, and the requirement on weight and folding envelope is very high, the existing solar wing still has certain defects.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to achieve the purpose of ensuring stability of the expansion or contraction of the solar wing while the expansion or contraction of the solar wing is achieved by controlling the rotation of the rotation shaft around the axis, by the following technical scheme:
a flexible solar wing mechanism which is unfolded around a shaft comprises a supporting plate, a solar wing, a moving guide mechanism and an unfolding mechanism; the right end of the supporting plate is provided with a magnetic attraction device; the lower end of the left side of the supporting plate is connected with a mounting plate; the mounting plate is used for supporting the moving guide mechanism and the unfolding mechanism; one end of the solar wing is wound on a winding rod positioned at the central position inside the solar wing, and the other end of the solar wing is fixedly connected with the upper end of the supporting plate; the other end of the winding rod is provided with a first bevel gear, and the right side of the first bevel gear is provided with a second bevel gear; the unfolding mechanism is positioned in the movable guide mechanism; the unfolding mechanism comprises a support column, four limit columns are arranged on the outer side of the support column, and an inner rotating disc is arranged on the outer side of the upper end of the support column; the outer side of the inner rotating disc is provided with a supporting disc, and the outer side of the supporting disc is provided with an outer rotating disc; the upper end of the support column is provided with threads, and the center of the inner rotating disc is provided with a thread part; a first bevel gear part is arranged on the outer side of the upper end of the inner rotating disc; the first bevel gear part is meshed with the first bevel gear; the lower end of the inner rotating disc is provided with a driving part; four limit rods are fixedly arranged at the lower end of the supporting disc, and the limit rods are inserted into the limit columns; the lower end of the supporting disc is fixedly provided with a driving motor, the output end of the driving motor is connected with a worm, and the worm controls the driving part to rotate; the upper end of the outer rotating disc is provided with a second bevel gear part; the second bevel gear portion is meshed with the second bevel gear; an extension rod is arranged at the lower end of the outer rotating disc; the lower end of the extension rod is provided with a control piece; the movable guide mechanism consists of a mounting box and a guide piece; the upper end of the mounting box is provided with a first chute which is spirally downward; the first chute is slidably provided with a guide piece; the guide part is arranged at the center of the guide piece; the guide part can be used for the left end of the winding rod to pass through, and the first bevel gear and the second bevel gear are both positioned in the installation box; a second chute which is spirally downward is arranged on the inner side of the lower end of the installation box; the control piece is positioned in a second chute arranged at the lower end of the moving guide mechanism.
Preferably, the upper end and the lower end of the magnetic attraction device are respectively provided with a furling magnetic attraction part and an unfolding magnetic attraction part, and the opening directions of the furling magnetic attraction part and the unfolding magnetic attraction part are opposite.
Preferably, the winding rod is in a truncated cone shape, and one end of the winding rod is positioned at the inner side of the folding magnetic attraction part in the folded state of the solar wing and is adsorbed and limited by the folding magnetic attraction part.
Preferably, the support column and the limit column are fixedly arranged at the upper end of the mounting plate.
Preferably, a first rotating part is arranged between the first bevel gear part and the driving part; the center of the supporting disc is provided with a first installation part; the inner rotating disc can be rotatably arranged on the inner side of the first installation part through the first rotation part.
Preferably, a second rotating part is arranged on the outer side of the supporting disc; the inner side of the outer rotating disc is provided with a second installation part, and the outer rotating disc can be rotatably installed on the second rotating part through the second installation part.
Preferably, the first bevel gear portion and the first bevel gear portion have the same gear ratio as the second bevel gear portion and the second bevel gear portion.
The invention has the beneficial effects that:
1. according to the invention, the motor is used for controlling the unfolding speed of the solar wing, so that the problem of failure in unfolding the solar wing caused by excessive impact force is prevented.
2. According to the invention, the magnetic attraction devices are respectively arranged at the initial position and the unfolded position of the solar wing, so that the unfolding or folding stability of the solar wing can be ensured.
3. The solar wing unfolding and folding device can complete unfolding and folding operations of the solar wings through one motor, and is simple in structure and large in unfolding and folding ratio.
Drawings
Fig. 1 is a schematic view of the overall structure of the solar wing in the folded state.
Fig. 2 is a schematic view of the overall structure of the solar wing in the open state according to the present invention.
Fig. 3 is a schematic structural view of a support plate according to the present invention.
Fig. 4 is a schematic structural view of a deployment mechanism provided by the present invention.
Fig. 5 is a schematic diagram of an internal structure of the movement guiding mechanism provided by the invention.
FIG. 6 is an exploded view of the deployment mechanism provided by the present invention.
Reference numerals illustrate:
100, a support plate; 110. a mounting plate; 120. a magnetic attraction device; 121. the magnetic attraction part is folded; 122. expanding the magnetic attraction part; 200. a solar wing; 210. a winding rod; 211. a first bevel gear; 212. a second bevel gear; 300. a movement guide mechanism; 310. a mounting box; 311. a first chute; 312. a second chute; 320. a guide member; 321. a guide part; 400. a deployment mechanism; 410. a support column; 420. a limit column; 430. an inner rotating disc; 431. a threaded portion; 432. a first bevel gear section; 433. a first rotating part; 434. a driving section; 440. a support plate; 441. a first mounting portion; 442. a second rotating part; 443. a limit rod; 444. a driving motor; 450. an outer rotating disc; 451. a second mounting portion; 452. a second bevel gear portion; 453. an extension rod; 454. and (5) a control member.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention may be embodied in various forms, and thus the present invention is not limited to the embodiments described below, and in addition, components not connected to the present invention will be omitted from the drawings for the sake of more clarity of description of the present invention;
as shown in fig. 1 and 2, a flexible solar wing mechanism for expanding around an axis includes: a support plate 100 for supporting the entire mechanism, a solar wing 200 at the upper right end of the support plate 100, a movement guide mechanism 300 at the upper left end of the support plate 100, and a deployment mechanism 400 inside the movement guide mechanism 300;
as shown in fig. 1-4, the right end of the supporting plate 100 is provided with a magnetic attraction device 120;
the upper and lower ends of the magnetic attraction device 120 are respectively provided with a furling magnetic attraction part 121 and an unfolding magnetic attraction part 122, and the opening directions of the furling magnetic attraction part 121 and the unfolding magnetic attraction part 122 are opposite;
the left lower end of the supporting plate 100 is connected with a mounting plate 110;
the mounting plate 110 is used for supporting the movement guiding mechanism 300 and the unfolding mechanism 400;
one end of the solar wing 200 is wound on a winding rod 210 positioned at the inner center position thereof, and the other end is fixedly connected to the upper end of the support plate 100;
the winding rod 210 is in a truncated cone shape, and one end of the winding rod is positioned at the inner side of the folding magnetic attraction part 121 in the folded state of the solar wing 200 and is adsorbed and limited by the folding magnetic attraction part 121;
the solar wing 200 is horizontally placed above the supporting plate 100 in a folded state;
the other end of the winding rod 210 is provided with a first bevel gear 211, and a second bevel gear 212 is arranged on the right side of the first bevel gear 211;
as shown in fig. 1 to 5, the moving guide mechanism 300 is composed of a mounting box 310 and a guide 320;
the mounting box 310 is cylindrical and has a lower end fixedly disposed at an upper end of the mounting plate 110;
the upper end of the installation box 310 is provided with a first chute 311 which is spirally downward;
the first chute 311 is slidably provided with a guide member 320;
the guide 320 has a guide portion 321 at the center thereof;
the guiding portion 321 may allow the left end of the winding rod 210 to pass through, and the first bevel gear 211 and the second bevel gear 212 are both located inside the installation box 310;
a second chute 312 which is spirally downward is arranged on the inner side of the lower end of the installation box 310;
as shown in fig. 1-6, the deployment mechanism 400 includes: the support column 410 is positioned at the center, four limit columns 420 are positioned at the outer side of the lower end of the support column 410, an inner rotating disc 430 is positioned at the outer side of the upper end of the support column 410, a support disc 440 is positioned at the outer side of the inner rotating disc 430, and an outer rotating disc 450 is positioned at the outer side of the support disc 440;
the support column 410 and the limit column 420 are fixedly arranged at the upper end of the mounting plate 110;
the upper end of the support column 410 is provided with threads;
the center of the inner rotating disk 430 has a threaded portion 431, i.e., the inner rotating disk 430 moves vertically relative to the mounting plate 110 when rotating;
a first bevel gear part 432 is arranged outside the upper end of the inner rotating disc 430;
the first bevel gear portion 432 is engaged with the first bevel gear 211;
a driving part 434 is disposed at the lower end of the inner rotating disc 430, and teeth are disposed on the driving part 434;
a first rotating part 433 is provided between the first bevel gear part 432 and the driving part 434;
the support plate 440 has a first mounting portion 441 at a center thereof;
the inner rotating plate 430 is rotatably installed inside the first installation part 441 by the first rotating part 433;
a second rotating part 442 is provided outside the supporting plate 440;
four limit rods 443 are fixedly arranged at the lower end of the support plate 440, and the limit rods 443 are inserted into the limit posts 420;
a driving motor 444 is fixedly arranged at the lower end of the supporting plate 440, and the output end of the driving motor 444 is connected with a worm and can control the driving part 434 to rotate through the worm;
the outer rotating plate 450 has a second mounting part 451 at the inner side thereof, and is rotatably mounted on the second rotating part 442 by the second mounting part 451;
a second bevel gear portion 452 is provided at an upper end of the outer rotating disc 450;
the second bevel gear portion 452 meshes with the second bevel gear 212;
the transmission ratio of the first bevel gear part 432 and the first bevel gear 211 is the same as that of the second bevel gear part 452 and the second bevel gear 212;
an extension rod 453 is arranged at the lower end of the outer rotating disc 450;
the lower end of the extension rod 453 is provided with a control element 454;
the control member 454 is located in the second sliding groove 312 provided at the lower end of the movement guide mechanism 300, that is, when the outer rotary plate 450 moves downward and rotates;
the working principle is as follows;
the state of each mechanism when the solar wing 200 is folded: the right end of the winding rod 210 is positioned at the inner side of the folding magnetic attraction part 121 and is magnetically attracted and limited by the folding magnetic attraction part 121, the left end of the winding rod 210 passes through a guide part 321 arranged at the center of the guide piece 320, the guide piece 320 is positioned above the first sliding groove 311, the inner rotating disc 430 is positioned at the upper end of the support column 410, the first bevel gear 211 is meshed with the first bevel gear part 432, and the second bevel gear 212 is meshed with the second bevel gear part 452;
the solar wing 200 is unfolded: the folding magnetic attraction part 121 removes the limit of the winding rod 210 and controls the inner rotating disc 430 to rotate through the driving motor 444 so as to drive the first bevel gear 211 to rotate through the first bevel gear part 432, thereby driving the winding rod 210 to rotate around the center of the inner rotating disc 430 through the meshing of the first bevel gear 211 and the first bevel gear part 432, controlling the second bevel gear 212 and the second bevel gear part 452 to move along the first sliding groove 311, simultaneously driving the inner rotating disc 430, the supporting disc 440 and the outer rotating disc 450 to move downwards through the matching of the inner rotating disc 430 and the threads of the supporting column 410, ensuring that the first bevel gear 211 is meshed with the first bevel gear part 432 after the diameter of the solar wing 200 is gradually reduced when the solar wing 200 is unfolded, and controlling the control part 454 to rotate when the outer rotating disc 450 moves downwards, compensating for the increase of the required rotating speed due to the diameter reduction when the solar wing 200 is unfolded, and ensuring the right end of the winding rod 210 to be positioned at the inner side of the unwinding magnetic attraction part 122 after the solar wing 200 is completely unwound, and ensuring the stability of the winding rod 200 by the unwinding magnetic attraction part 210;
when the solar wing 200 is folded, only the driving motor 444 needs to be controlled to rotate reversely.
Claims (7)
1. A flexible solar wing mechanism which is unfolded around a shaft, comprising a supporting plate (100), a solar wing (200), a moving guide mechanism (300) and an unfolding mechanism (400); the method is characterized in that: the right end of the supporting plate (100) is provided with a magnetic attraction device (120); the left lower end of the supporting plate (100) is connected with a mounting plate (110); the mounting plate (110) is used for supporting the moving guide mechanism (300) and the unfolding mechanism (400); one end of the solar wing (200) is wound on a winding rod (210) positioned at the inner center position of the solar wing, and the other end of the solar wing is fixedly connected to the upper end of the supporting plate (100); the other end of the winding rod (210) is provided with a first bevel gear (211), and the right side of the first bevel gear (211) is provided with a second bevel gear (212); the unfolding mechanism (400) is positioned inside the moving guide mechanism (300); the unfolding mechanism (400) comprises a support column (410), four limit columns (420) are arranged on the outer side of the support column (410), and an inner rotating disc (430) is arranged on the outer side of the upper end of the support column (410); a supporting disc (440) is arranged on the outer side of the inner rotating disc (430), and an outer rotating disc (450) is arranged on the outer side of the supporting disc (440); the upper end of the support column (410) is provided with threads, and the center of the inner rotating disc (430) is provided with a thread part (431); a first bevel gear part (432) is arranged outside the upper end of the inner rotating disc (430); the first bevel gear part (432) is meshed with the first bevel gear (211); a driving part (434) is arranged at the lower end of the inner rotating disc (430); four limit rods (443) are fixedly arranged at the lower end of the support disc (440), and the limit rods (443) are inserted into the limit posts (420); a driving motor (444) is fixedly arranged at the lower end of the supporting disc (440), the output end of the driving motor (444) is connected with a worm, and the worm controls the driving part (434) to rotate; a second bevel gear part (452) is arranged at the upper end of the outer rotating disc (450); the second bevel gear portion (452) meshes with the second bevel gear (212); an extension rod (453) is arranged at the lower end of the outer rotating disc (450); the lower end of the extension rod (453) is provided with a control part (454); the moving guide mechanism (300) is composed of a mounting box (310) and a guide piece (320); the upper end of the mounting box (310) is provided with a first chute (311) which is spirally downward; a guide piece (320) is slidably arranged on the first sliding groove (311); a guide part (321) is arranged at the center of the guide piece (320); the guide part (321) can be used for allowing the left end of the winding rod (210) to pass through, and the first bevel gear (211) and the second bevel gear (212) are both positioned in the mounting box (310); a second chute (312) which is spirally downward is arranged on the inner side of the lower end of the installation box (310); the control piece (454) is positioned in a second sliding groove (312) formed at the lower end of the movement guide mechanism (300).
2. A flexible solar wing mechanism for axial deployment as defined in claim 1, wherein: the upper end and the lower end of the magnetic attraction device (120) are respectively provided with a furling magnetic attraction part (121) and an unfolding magnetic attraction part (122), and the opening directions of the furling magnetic attraction part (121) and the unfolding magnetic attraction part (122) are opposite.
3. A flexible solar wing mechanism for axial deployment as defined in claim 1, wherein: the winding rod (210) is in a truncated cone shape, and one end of the winding rod is positioned at the inner side of the folding magnetic attraction part (121) in the folded state of the solar wing (200) and is adsorbed and limited by the folding magnetic attraction part (121).
4. A flexible solar wing mechanism for axial deployment as defined in claim 1, wherein: the support column (410) and the limit column (420) are fixedly arranged at the upper end of the mounting plate (110).
5. A flexible solar wing mechanism for axial deployment as defined in claim 1, wherein: a first rotating part (433) is arranged between the first bevel gear part (432) and the driving part (434); the center of the supporting disc (440) is provided with a first mounting part (441); the inner rotating plate (430) is rotatably mounted inside the first mounting portion (441) by a first rotating portion (433).
6. A flexible solar wing mechanism for axial deployment as defined in claim 1, wherein: a second rotating part (442) is arranged outside the supporting disc (440); the outer rotating disc (450) is provided with a second mounting part (451) on the inner side, and can be rotatably mounted on the second rotating part (442) through the second mounting part (451).
7. A flexible solar wing mechanism for axial deployment as defined in claim 1, wherein: the first bevel gear part (432) and the first bevel gear (211) have the same transmission ratio as the second bevel gear part (452) and the second bevel gear (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210980288.8A CN115258203B (en) | 2022-08-16 | 2022-08-16 | Flexible solar wing mechanism capable of being unfolded around shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210980288.8A CN115258203B (en) | 2022-08-16 | 2022-08-16 | Flexible solar wing mechanism capable of being unfolded around shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115258203A CN115258203A (en) | 2022-11-01 |
| CN115258203B true CN115258203B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210980288.8A Active CN115258203B (en) | 2022-08-16 | 2022-08-16 | Flexible solar wing mechanism capable of being unfolded around shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115258203B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039965B (en) * | 2023-03-07 | 2024-01-30 | 重庆开拓卫星科技有限公司 | Two-dimensional driving device of solar wing |
| CN116674769B (en) * | 2023-06-08 | 2024-01-30 | 重庆开拓卫星科技有限公司 | Solar wing multi-degree-of-freedom driving device |
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| FR2490588A1 (en) * | 1980-09-02 | 1982-03-26 | Aerospatiale | REMOTE DEVICE COMBINING A TRANSLATION MOVEMENT AND A ROTATION MOVEMENT, IN PARTICULAR FOR EQUIPMENT ON A SPACE DEVICE |
| CN102582848A (en) * | 2010-12-23 | 2012-07-18 | 塔莱斯公司 | Self-driven hinge device and self-regulated hinged assembly |
| CN104925272A (en) * | 2015-05-13 | 2015-09-23 | 上海宇航系统工程研究所 | Solar wing folding and unfolding mechanism based on planet band wheel transmission |
| CN210761376U (en) * | 2019-10-12 | 2020-06-16 | 深圳市魔方卫星科技有限公司 | Sun wing spreading mechanism |
| CN111605726A (en) * | 2020-04-27 | 2020-09-01 | 哈尔滨工业大学 | Energy transmission winder for satellite solar panel driving device |
| CN113401368A (en) * | 2021-07-21 | 2021-09-17 | 上海宇航系统工程研究所 | Secondary unfolding fan-shaped solar wing |
-
2022
- 2022-08-16 CN CN202210980288.8A patent/CN115258203B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2490588A1 (en) * | 1980-09-02 | 1982-03-26 | Aerospatiale | REMOTE DEVICE COMBINING A TRANSLATION MOVEMENT AND A ROTATION MOVEMENT, IN PARTICULAR FOR EQUIPMENT ON A SPACE DEVICE |
| CN102582848A (en) * | 2010-12-23 | 2012-07-18 | 塔莱斯公司 | Self-driven hinge device and self-regulated hinged assembly |
| CN104925272A (en) * | 2015-05-13 | 2015-09-23 | 上海宇航系统工程研究所 | Solar wing folding and unfolding mechanism based on planet band wheel transmission |
| CN210761376U (en) * | 2019-10-12 | 2020-06-16 | 深圳市魔方卫星科技有限公司 | Sun wing spreading mechanism |
| CN111605726A (en) * | 2020-04-27 | 2020-09-01 | 哈尔滨工业大学 | Energy transmission winder for satellite solar panel driving device |
| CN113401368A (en) * | 2021-07-21 | 2021-09-17 | 上海宇航系统工程研究所 | Secondary unfolding fan-shaped solar wing |
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| Publication number | Publication date |
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| CN115258203A (en) | 2022-11-01 |
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