CN212333008U - Low-orbit satellite passive off-orbit device based on atmospheric resistance - Google Patents

Low-orbit satellite passive off-orbit device based on atmospheric resistance Download PDF

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Publication number
CN212333008U
CN212333008U CN202020639915.8U CN202020639915U CN212333008U CN 212333008 U CN212333008 U CN 212333008U CN 202020639915 U CN202020639915 U CN 202020639915U CN 212333008 U CN212333008 U CN 212333008U
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CN
China
Prior art keywords
orbit satellite
fixedly connected
spool
atmospheric
elastic support
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Expired - Fee Related
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CN202020639915.8U
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Chinese (zh)
Inventor
王岳
马文来
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Harbin Institute of Technology
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Harbin Institute of Technology
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Priority to CN202020639915.8U priority Critical patent/CN212333008U/en
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Publication of CN212333008U publication Critical patent/CN212333008U/en
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Abstract

The utility model discloses a low orbit satellite is passive from rail device based on atmospheric resistance relates to near-earth orbit satellite and leaves rail technical field, including casing, storage assembly, locking Assembly, spool, six elastic support board, hexagon braking sail, circular opening has been seted up at the rear end middle part of casing, install the closing cap in the circular opening, the closing cap includes sealing and fixed part, the sealing is located the outside of closing cap, the edge of sealing sets up to the inclined plane, the shape and the sealing adaptation of circular opening, the annular fixed slot has been seted up to the side of fixed part, storage assembly includes storage cylinder and compression spring, the inner wall fixed connection of storage cylinder and casing, compression spring installs the inside at the storage cylinder, the uncovered portion at the storage cylinder is installed to the spool. The utility model discloses can be firm to spool locking, the interference that receives external environment is less, and structural design is reasonable, and simple structure is practical.

Description

Low-orbit satellite passive off-orbit device based on atmospheric resistance
Technical Field
The utility model relates to a low orbit satellite is from rail technical field, specifically is a low orbit satellite is passive from rail device based on atmospheric resistance.
Background
The near-ground orbit, also called low-ground orbit, refers to an orbit with a spacecraft at a lower height from the ground. Because the low earth orbit satellite is close to the ground, most earth observation satellites, geodetic satellites, space stations and some new communication satellite systems adopt the low earth orbit. In recent years, with the continuous development of space technology, the quantity of space debris on earth orbit is also increased, the safety of an in-orbit effective spacecraft is seriously threatened, and hidden troubles are buried for the development of space technology of the future. In order to ensure that the low earth orbit satellite does not become space debris after completing the mission, a corresponding off-orbit technology is required to be adopted at the end of the life. Currently, the main derailment modes include a propelling technology, an inflatable ball technology, an electric power tether, a braking sail and the like. The braking sail is mainly used for accelerating the satellite to be out of orbit by improving the atmospheric resistance suffered by the satellite during the in-orbit flight process.
The cube satellite braking sail device that opens in chinese utility model patent application laid-open specification CN207292479U, though, this utility model utilizes the expansion film sail to increase the ascending sectional area of cube star flight direction, improve the atmospheric resistance that the cube star received, thereby it breaks away from the track fast to accelerate the cube star, however, this utility model discloses a locking device unlocks through blowing off strong horse line, the locking mode is unstable, in complicated space environment, strong horse line connection is unstable, lead to locking device inefficacy easily, the task that the satellite can be ended in advance in the unblock, increase economic loss.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a passive derailment device of low orbit satellite based on atmospheric resistance solves the problem of proposing in the above-mentioned background art.
The utility model discloses a following technical scheme realizes:
a low-orbit satellite passive off-orbit device based on atmospheric resistance comprises a shell, a storage assembly, a locking assembly, a scroll, six elastic supporting plates and a hexagonal brake sail, wherein a circular through hole is formed in the middle of the rear end of the shell, and a sealing cover is installed in the circular through hole;
the sealing cover comprises a sealing part and a fixing part, the sealing part is positioned on the outer side of the sealing cover, the edge of the sealing part is provided with an inclined plane, the shape of the circular through hole is matched with that of the sealing part, and the side surface of the fixing part is provided with an annular fixing groove;
the storage assembly comprises a storage cylinder and a compression spring, the storage cylinder is fixedly connected with the inner wall of the shell, the compression spring is installed inside the storage cylinder, and the reel is installed at an opening part of the storage cylinder.
Optionally, one end of the compression spring is fixedly connected with the storage cylinder, and the other end of the compression spring is fixedly connected with the reel.
Optionally, six the backup pad divide into two sets ofly, a set of backup pad fixed mounting is in the surface one end of spool, another group backup pad fixed mounting is at the surface other end of spool, six backup pad staggered arrangement, hexagon braking sail is located between two sets of backup pads, six backup pad all with hexagon braking sail fixed connection, six backup pad and hexagon braking sail winding are on the spool, spool and closing cap fixed connection.
Optionally, the locking assembly comprises a driving motor, a fixing frame, a worm wheel, a bidirectional screw, two nuts, two limiting blocks, two U-shaped limiting rods, two fixing rods and two arc-shaped fixing rods, the driving motor is fixedly mounted on the fixing frame, and the fixing frame is fixedly connected with the inner wall of the shell.
Optionally, the output end of the driving motor is fixedly connected with a worm, the bottom of the worm is meshed with a worm wheel, the middle of the worm wheel is fixedly connected with a bidirectional screw rod, and the bidirectional screw rod penetrates through the worm wheel.
Optionally, two ends of the bidirectional screw are fixedly connected with bearings, and the bearings are fixedly mounted on the inner wall of the shell through bearing seats.
Optionally, two nut threaded connection is at the both ends of two-way screw rod, stopper fixed connection is on the top of nut, the U-shaped gag lever post runs through the stopper, the both ends of U-shaped gag lever post all with the inner wall fixed connection of casing, stopper and U-shaped gag lever post sliding connection.
Optionally, the fixing rod is fixedly connected to the bottom end of the nut, the arc-shaped fixing rod is fixedly connected to the bottom end of the fixing rod, the radian of the arc-shaped fixing rod is matched with the radian of the annular fixing groove, and the arc-shaped fixing rod is in contact with the sealing cover.
The utility model has the advantages that:
1. the utility model discloses a cooperation of driving motor, mount, worm wheel, two-way screw rod, nut, stopper, U-shaped gag lever post, dead lever, arc dead lever is used, can be firm to spool locking, and the interference that receives external environment is less, and structural design is reasonable, and simple structure is practical.
2. The utility model discloses a be equipped with the sealing on the closing cap, can strengthen the leakproofness between closing cap and the casing, reduce external environment's interference.
Drawings
Fig. 1 is a perspective view of the housing of the present invention.
Fig. 2 is a schematic view of the closure of the present invention.
Fig. 3 is an internal schematic view of the housing of the present invention.
Fig. 4 is a schematic cross-sectional view taken along the direction a-a in fig. 3 according to the present invention.
Fig. 5 is an expanded schematic view of the hexagonal braking sail of the present invention.
Fig. 6 is an expanded side view of the hexagonal brake sail of the present invention.
Fig. 7 is an expanded perspective view of the hexagonal braking sail of the present invention.
Fig. 8 is an expanded perspective view of the hexagonal braking sail of the present invention.
Fig. 9 is a schematic view of the deployment process of the hexagonal brake sail of the present invention.
In the figure: 1. a housing; 2. a circular through opening; 3. sealing the cover; 4. a sealing part; 5. a fixed part; 6. an annular fixing groove; 7. a storage cylinder; 8. a compression spring; 9. a reel; 10. an elastic support plate; 11. a hexagonal brake sail; 12. a drive motor; 13. a fixed mount; 14. a worm; 15. a worm gear; 16. a bidirectional screw; 17. a nut; 18. a limiting block; 19. a U-shaped limiting rod; 20. fixing the rod; 21. an arc-shaped fixing rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly and can include, for example, a fixed connection, a detachable connection, a mechanical connection, a direct connection, and an indirect connection via an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-9, the present invention provides the following technical solutions:
a low-orbit satellite passive off-orbit device based on atmospheric resistance comprises a shell 1, a storage assembly, a locking assembly, a scroll 9, six elastic supporting plates 10 and a hexagonal brake sail 11, wherein a satellite is fixedly mounted at the front end of the shell 1, a circular through hole 2 is formed in the middle of the rear end of the shell 1, and a sealing cover 3 is mounted in the circular through hole 2;
the sealing cover 3 comprises a sealing part 4 and a fixing part 5, the sealing part 4 is positioned on the outer side of the sealing cover 3, the edge of the sealing part 4 is provided with an inclined plane, the shape of the circular through hole 2 is matched with that of the sealing part 4, the sealing performance between the sealing cover 3 and the shell 1 can be enhanced, the interference of the external environment is reduced, and the side surface of the fixing part 5 is provided with an annular fixing groove 6;
the storage assembly comprises a storage cylinder 7 and a compression spring 8, the storage cylinder 7 is fixedly connected with the inner wall of the shell 1, the compression spring 8 is installed inside the storage cylinder 7, the compression spring 8 is in a compression state and can provide elasticity for a reel 9, the reel 9 is installed at the open part of the storage cylinder 7, one end of the compression spring 8 is fixedly connected with the storage cylinder 7, the other end of the compression spring 8 is fixedly connected with the reel 9, the six elastic support plates 10 are divided into two groups, one group of elastic support plates 10 are fixedly installed at one end of the outer surface of the reel 9, the other group of elastic support plates 10 are fixedly installed at the other end of the outer surface of the reel 9, the six elastic support plates 10 are arranged in a staggered mode, the structural design is reasonable, the hexagonal brake sails 11 are located between the two groups of elastic support plates 10, the six elastic support plates 10 are all fixedly connected, the scroll 9 is fixedly connected with the sealing cover 3;
the locking assembly comprises a driving motor 12, a fixing frame 13, a worm 14, a worm wheel 15, a two-way screw 16, two nuts 17, two limiting blocks 18, two U-shaped limiting rods 19, two fixing rods 20 and two arc-shaped fixing rods 21, wherein the driving motor 12 is fixedly arranged on the fixing frame 13, the fixing frame 13 is fixedly connected with the inner wall of the shell 1, the output end of the driving motor 12 is fixedly connected with the worm 14, the bottom of the worm 14 is meshed with the worm wheel 15, the middle part of the worm wheel 15 is fixedly connected with the two-way screw 16, the two-way screw 16 penetrates through the worm wheel 15, two ends of the two-way screw 16 are fixedly connected with bearings, the bearings are fixedly arranged on the inner wall of the shell 1 through bearing seats, the two-way screw 16 is convenient to rotate stably, the two nuts 17 are in threaded connection with two ends, the both ends of U-shaped gag lever post 19 all with casing 1's inner wall fixed connection, stopper 18 and 19 sliding connection of U-shaped gag lever post can strengthen the stability when nut 17 removes, and dead lever 20 fixed connection is in the bottom of nut 17, and arc dead lever 21 fixed connection is in the bottom of dead lever 20, and the radian of arc dead lever 21 and the radian looks adaptation of annular fixed slot 6, and is rational in infrastructure, and locking is firm, and arc dead lever 21 contacts with closing cap 3.
The utility model discloses a theory of operation:
when the device works, the driving motor 12 is started, the driving motor 12 drives the worm 14 to rotate, the worm 14 drives the worm wheel 15 to rotate, the worm wheel 15 drives the two-way screw 16 to rotate, the two-way screw 16 is in threaded connection with the two nuts 17, the two nuts 17 are matched with the limiting block 18 and the U-shaped limiting rod 19, the two nuts 17 simultaneously perform linear movement away from each other, the two nuts 17 drive the two arc-shaped fixing rods 21 to perform movement away from each other through the two fixing rods 20 respectively, the two arc-shaped fixing rods 21 leave the annular fixing groove 6 on the sealing cover 3 to release the locking of the fixing part 5, the reel 9 pops out the storage cylinder 7 and the shell 1 under the elasticity of the compression spring 8, the six elastic support plates 10 automatically unfold after being separated from the constraint of the storage cylinder 7, the six elastic support plates 10 drive the hexagonal brake sail 11 to unfold, and increase, thereby forcing the satellite to be quickly separated from the original orbit and fall into the atmosphere to be burnt.
The control mode of the utility model is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of technicians in the field, which belongs to the common knowledge in the field, so the utility model does not explain the control mode and the circuit connection in detail.
The above is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a passive device that leaves orbit of low orbit satellite based on atmospheric resistance, includes casing (1), storage component, locking Assembly, spool (9), six resilient support board (10), hexagon braking sail (11), its characterized in that: a circular through hole (2) is formed in the middle of the rear end of the shell (1), and a sealing cover (3) is installed in the circular through hole (2);
the sealing cover (3) comprises a sealing part (4) and a fixing part (5), the sealing part (4) is located on the outer side of the sealing cover (3), an inclined plane is arranged at the edge of the sealing part (4), the circular through hole (2) is matched with the sealing part (4) in shape, and an annular fixing groove (6) is formed in the side face of the fixing part (5);
the storage assembly comprises a storage barrel (7) and a compression spring (8), the storage barrel (7) is fixedly connected with the inner wall of the shell (1), the compression spring (8) is installed inside the storage barrel (7), and the scroll (9) is installed in the open portion of the storage barrel (7).
2. The atmospheric resistance-based passive low-orbit satellite derailment apparatus according to claim 1, wherein:
one end of the compression spring (8) is fixedly connected with the storage cylinder (7), and the other end of the compression spring (8) is fixedly connected with the reel (9).
3. The atmospheric resistance-based passive low-orbit satellite derailment apparatus according to claim 1, wherein:
six elastic support board (10) divide into two sets ofly, a set of elastic support board (10) fixed mounting is in the surface one end of spool (9), another group elastic support board (10) fixed mounting is at the surface other end of spool (9), six elastic support board (10) staggered arrangement, hexagon braking sail (11) are located between two sets of elastic support board (10), six elastic support board (10) all with hexagon braking sail (11) fixed connection, six elastic support board (10) and hexagon braking sail (11) winding are on spool (9), spool (9) and closing cap (3) fixed connection.
4. The atmospheric resistance-based passive low-orbit satellite derailment apparatus according to claim 1, wherein:
the locking assembly comprises a driving motor (12), a fixing frame (13), a worm (14), a worm wheel (15), a two-way screw (16), two nuts (17), two limiting blocks (18), two U-shaped limiting rods (19), two fixing rods (20) and two arc-shaped fixing rods (21), wherein the driving motor (12) is fixedly installed on the fixing frame (13), and the fixing frame (13) is fixedly connected with the inner wall of the shell (1).
5. The atmospheric-resistance-based passive low-orbit satellite derailment apparatus according to claim 4, wherein:
the output end of the driving motor (12) is fixedly connected with a worm (14), the bottom of the worm (14) is meshed with a worm wheel (15), the middle of the worm wheel (15) is fixedly connected with a bidirectional screw rod (16), and the bidirectional screw rod (16) penetrates through the worm wheel (15).
6. The atmospheric-resistance-based passive low-orbit satellite derailment apparatus according to claim 4, wherein:
two ends of the bidirectional screw (16) are fixedly connected with bearings, and the bearings are fixedly installed on the inner wall of the shell (1) through bearing seats.
7. The atmospheric-resistance-based passive low-orbit satellite derailment apparatus according to claim 4, wherein:
two nut (17) threaded connection is at the both ends of two-way screw rod (16), stopper (18) fixed connection is on the top of nut (17), stopper (18) are run through in U-shaped gag lever post (19), the both ends of U-shaped gag lever post (19) all with the inner wall fixed connection of casing (1), stopper (18) and U-shaped gag lever post (19) sliding connection.
8. The atmospheric-resistance-based passive low-orbit satellite derailment apparatus according to claim 4, wherein:
dead lever (20) fixed connection is in the bottom of nut (17), arc dead lever (21) fixed connection is in the bottom of dead lever (20), the radian of arc dead lever (21) and the radian looks adaptation of annular fixed slot (6), arc dead lever (21) contact with closing cap (3).
CN202020639915.8U 2020-04-24 2020-04-24 Low-orbit satellite passive off-orbit device based on atmospheric resistance Expired - Fee Related CN212333008U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020639915.8U CN212333008U (en) 2020-04-24 2020-04-24 Low-orbit satellite passive off-orbit device based on atmospheric resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020639915.8U CN212333008U (en) 2020-04-24 2020-04-24 Low-orbit satellite passive off-orbit device based on atmospheric resistance

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CN212333008U true CN212333008U (en) 2021-01-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114132528A (en) * 2021-11-30 2022-03-04 北京卫星制造厂有限公司 Flexible sail unfolding device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114132528A (en) * 2021-11-30 2022-03-04 北京卫星制造厂有限公司 Flexible sail unfolding device
CN114132528B (en) * 2021-11-30 2023-12-19 北京卫星制造厂有限公司 Flexible sail unfolding device

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20210112

Termination date: 20210424