CN107264846A - Graphene film parcel space junk cleaning plant and method based on Lorentz force - Google Patents
Graphene film parcel space junk cleaning plant and method based on Lorentz force Download PDFInfo
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- CN107264846A CN107264846A CN201710417965.4A CN201710417965A CN107264846A CN 107264846 A CN107264846 A CN 107264846A CN 201710417965 A CN201710417965 A CN 201710417965A CN 107264846 A CN107264846 A CN 107264846A
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- graphene film
- space junk
- lorentz force
- cleaning plant
- space
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G4/00—Tools specially adapted for use in space
Abstract
The present invention relates to a kind of graphene film parcel space junk cleaning plant based on Lorentz force and method, the characteristics of using grapheme material high-efficiency energy-storage, electronics is sprayed by electron gun, forming several meters long, the powered rope of high current, simultaneously cutting produces big Lorentz force in magnetic field, it is to avoid existing Electrodynamic tether manner of cleaning up needs thousands of rice even shortcomings of tens of km hawsers；Further, since graphene film is flexible body, folds and place on satellite platform, therefore cleaning plants as multiple as possible can be carried in space limited in satellite platform, more space junks can be cleared up with less cost.
Description
Technical field
The invention belongs to space technology field, it is related to a kind of scheme for clearing up space junk, specially graphene film bag
Wrap up in space junk and earth's magnetic field is cut by high current live wire and produce big Lorentz force passing away come accelerating space fragment.
Background technology
As increasing spacecraft enters space, the quantity of the space junk produced by it is also more and more.Space
The presence of fragment seriously threatens the safety of spacecraft in orbit, and the collision of fragment and spacecraft can damage spacecraft table
Face, or even the critical piece of spacecraft is destroyed, have a strong impact on the normal work of spacecraft.How effectively to remove space junk into
For the focus and Disciplinary Frontiers currently studied in the world.
Existing space junk manner of cleaning up mainly includes seizure, laser cleaning and Electrodynamic tether etc., wherein：
1) catching mode grabs space junk by the mechanism such as flying mesh, winged pawl, mechanical arm to catch, and then stores fragment
It is uniformly processed by orbit transfer vehicle.Due to the limitation of orbit transfer vehicle space and energy, this mode institute
The space junk number that can be cleared up is extremely limited；
2) laser manner of cleaning up is mainly radiated at fractal surfaces using high energy laser beam, the temperature of fragment is raised up to it
The time for distilling or making space junk obtain a speed increment to reduce its flight track, so as to shorten its in-orbit flight.This
Required precision of the mode of kind to space junk position sensing and aiming transmitting is very high, it is impossible to effective sky for removing less than 1 centimetre
Between fragment；Additionally due to producing superlaser needs to consume big energy, cleaning fragment cost is high, therefore uses space base and space-based
Laser manner of cleaning up can not complete the cleaning of a large amount of space junks；
3) principle for clearing up space junk using Electrodynamic tether is to adhere to a live wire on space junk, broken
Piece it is in-orbit in-flight, live wire cutting magnetic field of the earth the magnetic line of force produce Lorentz force, effect of the fragment in Lorentz force
It is lower to depart from original running track, eventually enter into atmosphere and burn.Its weak point is due to that live wire electric current is very small, is led to
Often designed cable length need to be thousands of rice even tens of kms, be difficult in engineering.
The content of the invention
Present invention solves the technical problem that being：For the deficiency present in existing space defragmentation mode, the present invention is carried
A kind of device and method of the graphene film parcel cleaning space junk based on Lorentz force is gone out.
The technical scheme is that：A kind of graphene film parcel space junk cleaning plant based on Lorentz force,
It is characterised in that it includes terminal module 3, wire 4, thin film solar cell 5 and graphene film 6；The thin film solar cell 5
In in graphene film 6, thin film solar cell 5 is powered using sunshine to graphene film 6；Graphene film 6 and some institutes
State wire 4 to connect, some other ends of wire 4 are connected with some terminal modules 3, and graphene film 6 can be some
The wire 4 drives lower deploy.
The present invention further technical scheme be：The terminal module 3 includes polygon control survey device and electron gun, polygon control survey
The collapsing length of device pilot 4, the electronics that electron gun is projected produces unidirectional current.
The present invention further technical scheme be：When satellite platform monitors the fragment of exterior space, launch above-mentioned cleaning
After device, graphene film parcel space junk, the cutting of wire 4 earth's magnetic field produces Lorentz force, makes space junk running track
Reduction, accelerates to fall.
The present invention further technical scheme be：A kind of graphene film parcel space junk cleaning based on Lorentz force
The method for cleaning of device, comprises the following steps：
Step 1：Microsatellite launching platform is ensureing that its distance between fragment can make according to existing fragment relevant information
When cleaning plant graphene film before contacted with space junk can be fully deployed, cleaning plant is discharged；Terminal module is to sky
Between fragment fly, while pull graphene film expansion；
Step 2：Terminal module is moved to before the maximum position that wire can be fully deployed, the work of polygon control survey device, control
Wire processed continues to stretch so that the resistance increase of wire release, the relative velocity of terminal module is gradually reduced to zero, prevents from tearing
Graphene film；
Step 3：The graphene film being fully deployed is contacted with space junk, after being in contact, terminal module due to inertia after
It is continuous to travel forward so that the fully wrapped around space junk of graphene film；
Step 4：Electron gun is worked, and four wires produce unidirectional electric current, and live wire cutting magnetic induction line is produced and fragment
The opposite Lorentz force of the direction of motion, makes track gradually decay, and drives fragment to fall into the earth.
Invention effect
The technical effects of the invention are that：The characteristics of present invention is using grapheme material high-efficiency energy-storage, will by electron gun
Electronics sprays, forming several meters long, the powered rope of high current, simultaneously cutting produces big Lorentz force in magnetic field, it is to avoid existing electronic
Power hawser manner of cleaning up needs thousands of rice even shortcoming of tens of km hawsers；Further, since graphene film is flexible body,
Fold and place on satellite platform, therefore cleaning plants as multiple as possible can be carried in space limited in satellite platform, can
More space junks are cleared up with less cost.Specific effect is as follows：
(1) cleaning plant foldable, shared small volume after folding, can realize miniaturization and lighting, it is easy to carry and
Storage, can be achieved multiple target clean-up task.
(2) development mechanism of the invention is simple, by the casting system of the satellite platform initial velocity certain to four terminal modules
Degree pulls graphene film expansion, and in the preceding passive friction eceleration by wire in place, reliability is high.
(3) used graphene film as a kind of high-efficiency energy-storage equipment, compared with traditional energy storage device, graphene
Film can store more energy as energy storage device and effectively mitigate the weight of cleaning plant.
(4) traditional Electrodynamic tether wire is very long, the problems such as being difficult to and be easily broken in engineering, is led in the present invention
Line length is shorter, and functional reliability is high.
Brief description of the drawings
Fig. 1：Satellite platform discharges cleaning plant schematic diagram
Fig. 2：Cleaning plant schematic diagram
Fig. 3：Cleaning plant is close to space junk
Fig. 4：Cleaning plant is successfully caught and catches target
Fig. 5：Cleaning plant parcel fragment accelerates to pass away
Fig. 6：Scale removal process flow chart
Description of reference numerals：1- satellite platforms；2- cleaning plants；3- terminal modules；4- wires；5- thin film solar cells；
6- graphene films；7- space junks
Embodiment
For the deficiency present in existing space defragmentation mode, the present invention proposes a kind of stone based on Lorentz force
The scheme of black alkene film parcel cleaning space junk.
Space junk liquidating plan proposed by the invention is related to microsatellite launching platform and space junk cleaning plant.Space
Device capable of cleaning fragments is mainly made up of graphene film, wire and four terminal modules.Wherein Flexible graphene film utilizes stone
The excellent energy storage property of black alkene material, mainly as high-efficiency energy-storage part；Thin film solar cell can be used for filling to graphene film
Energy；Four terminal modules are connected by four flexible wires with graphene film, and the high current that graphene film is produced passes through soft
Property wire transmission to terminal module formation the powered hawser of high current.Cleaning plant is launched by microsatellite launching platform, and it is flat in satellite
Folded state is on platform.When detecting space junk in the in-orbit flight course of satellite platform, casting system projection cleaning dress
Put, four terminal modules obtain initial velocity and flown to space junk, and pull graphene film by wire so that graphene is thin
Film is fully deployed in flight course.After graphene film captures space junk, terminal module due to inertia may proceed to
Preceding motion, so that graphene film wraps space junk.Thereafter wire cutting earth's magnetic field produces Lorentz force, pulls space
Fragment, makes the reduction of its running track, accelerates its orbital decay, the cleaning plant and fragment is entered after atmosphere with air at a high speed
Burnt after friction.
A kind of graphene parcel space junk method for cleaning based on Lorentz force, it is characterised in that：Cleaning plant is main
It is made up of graphene film, thin film solar cell, wire and four terminal modules.Four terminal modules are by flexible wire and graphite
Alkene film is connected.Described graphene film mainly has two effects：Space junk is wrapped up, makes space junk and cleaning plant
Move together；As high-efficiency energy-storage device, there is provided the electronics required for producing high current.Described thin film solar cell it is main
Effect is that graphene film is carried out using sunshine to fill energy, it is to avoid cleaning plant energy in space flight is not enough and can not produce
The situation of raw Lorentz force.Described flexible wire mainly has two effects：Connect terminal module and graphene film；Electric current
Path, cutting magnetic induction line produces the Lorentz force with the space junk reversing of motion, makes orbital decay.In described terminal module
Bread device containing polygon control survey and electron gun.Polygon control survey device is mainly used for terminal module traction graphene film and is fully deployed
It is preceding that resistance is applied to tether, so as to reduce the relative separation speed of terminal module to zero and be tensioned wire.Electron gun it is main
Effect be electron gun at electrospray go out, it is ensured that produce lasting unidirectional current.
Cleaning plant is under rounding state, and graphene film is folded by star fashion, it is ensured that shared volume is minimum.Space is broken
Under sheet cleaning device its fully unfolded position, four terminal modules are located on the diagonal of square graphite alkene film respectively, four electricity
Sub- rifle is connected by flexible wire with two ropes on graphene film, it is to avoid opened up into direct to graphene during maximum position
Film causes to tear.
Space junk cleaning plant cleaning space junk is mainly included the following steps that：
Step 1：Microsatellite launching platform according to existing fragment relevant information, move to setting satellite platform and fragment away from
From, it is ensured that cleaning plant graphene film before being contacted with space junk can be fully deployed, and cleaning is launched by satellite platform
Device, four terminal modules fly to space junk, while pulling graphene film expansion；
Step 2：When four terminal modules move to ejection setting position, polygon control survey device work so that wire discharges
Resistance increase, the relative velocity of separate terminal module is gradually reduced to zero；
Step 3：The graphene film being fully deployed is contacted with space junk, after being in contact, terminal module due to inertia after
It is continuous to travel forward so that the fully wrapped around space junk of graphene film；
Step 4：Graphene energy storage device produces high current, electron gun work, and four wires produce unidirectional electric current, band point
Wire cutting magnetic induction line, produces the Lorentz force opposite with the fragment direction of motion, track is gradually decayed, and reaches cleaning fragment
Purpose.
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.It should be noted that this place
The specific implementation example of description is only used for explaining the present invention, rather than limitation of the invention；In addition, for the ease of description, accompanying drawing
In show only part related to the present invention rather than full content.
As shown in figure 1, microsatellite launching platform is found after space junk, space junk cleaning plant, four terminals are cast out
Module is moved with certain initial velocity to space junk, before terminal module moves to allowed maximum position, polygon control survey
Device works so that the resistance increase of wire release, the relative velocity of separate terminal module is gradually reduced to zero.Cleaning plant includes
Terminal module, wire, graphene film and thin film solar cell, as shown in Figure 2.Before cleaning plant reaches space junk,
Cleaning plant is in its fully unfolded position, as shown in Figure 3.After graphene film captures space junk, terminal module due to
Inertia may proceed to travel forward, so that graphene film wraps space junk, as shown in Figure 4.Live wire cuts earth magnetism
Field produces Lorentz force, makes space junk speed smaller, running track reduction, finally crashes into atmosphere and burns, as shown in Figure 5.
As shown in fig. 6, whole scale removal process comprises the following steps：
Step 1：Microsatellite launching platform obtains space junk information, determines the distance of space junk and satellite platform, it is ensured that
Cleaning plant graphene film before being contacted with space junk can be fully deployed, and cleaning plant, four are launched by satellite platform
Individual terminal module is flown with certain initial velocity to space junk, while pulling graphene film expansion；
Step 2：Before four terminal modules move to the maximum position of ejection permission, the work of polygon control survey device makes
The resistance increase of wire release is obtained, the relative velocity of separate terminal module is gradually reduced to zero；
Step 3：The graphene film being fully deployed is contacted with space junk, after being in contact, terminal module due to inertia after
It is continuous to travel forward so that the fully wrapped around space junk of graphene film；
Step 4：Graphene energy storage device produces high current, and electron gun work, four live wire cutting magnetic induction lines are produced
The Lorentz force opposite with the fragment direction of motion, makes track gradually decay, and reaches the purpose of cleaning fragment.
Claims (4)
1. a kind of graphene film parcel space junk cleaning plant based on Lorentz force, it is characterised in that including terminal mould
Block (3), wire (4), thin film solar cell (5) and graphene film (6)；It is thin that the thin film solar cell (5) is located at graphene
In film (6), thin film solar cell (5) is to give graphene film (6) power supply using sunshine；Graphene film (6) and some institutes
Wire (4) connection is stated, some wire (4) other ends are connected with some terminal modules (3), graphene film (6) energy
It is enough to deploy in the case where some wires (4) drive.
2. a kind of graphene film parcel space junk cleaning plant based on Lorentz force as claimed in claim 1, it is special
Levy and be, the terminal module (3) include polygon control survey device and electron gun, the collapsing length of polygon control survey device pilot (4),
The electronics that electron gun is projected produces unidirectional current.
3. a kind of graphene film parcel space junk cleaning plant based on Lorentz force as claimed in claim 1, it is special
Levy and be, when satellite platform monitors the fragment of exterior space, launch above-mentioned cleaning plant, graphene film parcel space junk
Afterwards, wire (4) cutting earth's magnetic field produces Lorentz force, makes the reduction of space junk running track, accelerates to fall.
4. the cleaning side of space junk cleaning plant is wrapped up based on the graphene film based on Lorentz force described in claim 1
Method, it is characterised in that comprise the following steps：
Step 1：Microsatellite launching platform is ensureing that its distance between fragment can make cleaning according to existing fragment relevant information
When device graphene film before contacted with space junk can be fully deployed, cleaning plant is discharged；Terminal module is broken to space
Piece flies, while pulling graphene film expansion；
Step 2：Terminal module is moved to before the maximum position that wire can be fully deployed, and polygon control survey device work, control is led
Line continues to stretch so that the resistance increase of wire release, the relative velocity of terminal module is gradually reduced to zero, prevents from tearing graphite
Alkene film；
Step 3：The graphene film being fully deployed is contacted with space junk, after being in contact, terminal module due to inertia continue to
Preceding motion so that the fully wrapped around space junk of graphene film；
Step 4：Electron gun is worked, and four wires produce unidirectional electric current, and live wire cutting magnetic induction line is produced and moved with fragment
Lorentz force in opposite direction, makes track gradually decay, and drives fragment to fall into the earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710417965.4A CN107264846B (en) | 2017-06-06 | 2017-06-06 | Graphene film package space junk cleaning plant and method based on Lorentz force |
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| CN201710417965.4A CN107264846B (en) | 2017-06-06 | 2017-06-06 | Graphene film package space junk cleaning plant and method based on Lorentz force |
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| Publication Number | Publication Date |
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| CN107264846A true CN107264846A (en) | 2017-10-20 |
| CN107264846B CN107264846B (en) | 2019-06-21 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177801A (en) * | 2017-11-24 | 2018-06-19 | 西安电子科技大学 | Space junk cleaning plant and method based on solar sail |
| CN108945534A (en) * | 2018-06-26 | 2018-12-07 | 杭州电子科技大学 | A kind of Space Autonomous multiple target objects arrest netting system and method |
| CN110304272A (en) * | 2019-06-25 | 2019-10-08 | 西北工业大学 | Micro-nano satellite tracker and its method for tracing are assembled based on truss |
| CN111959827A (en) * | 2020-08-17 | 2020-11-20 | 青岛睿蓝科技有限公司 | Auxiliary derailing device for microsatellite |
| CN112061429A (en) * | 2020-09-07 | 2020-12-11 | 西北工业大学 | Large inflatable escape-proof space debris cleaning device and space debris release method |
| CN113682495A (en) * | 2021-08-27 | 2021-11-23 | 中国空间技术研究院 | Space film satellite integrating communication transmission and fragment removal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110979745B (en) * | 2019-11-08 | 2021-09-07 | 北京卫星制造厂有限公司 | Lorentz force-based space protection method and system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177801A (en) * | 2017-11-24 | 2018-06-19 | 西安电子科技大学 | Space junk cleaning plant and method based on solar sail |
| CN108177801B (en) * | 2017-11-24 | 2020-04-07 | 西安电子科技大学 | Space debris cleaning device and method based on solar sail |
| CN108945534A (en) * | 2018-06-26 | 2018-12-07 | 杭州电子科技大学 | A kind of Space Autonomous multiple target objects arrest netting system and method |
| CN108945534B (en) * | 2018-06-26 | 2020-04-28 | 杭州电子科技大学 | Spatial autonomous multi-target object capturing rope net system and method |
| CN110304272A (en) * | 2019-06-25 | 2019-10-08 | 西北工业大学 | Micro-nano satellite tracker and its method for tracing are assembled based on truss |
| CN110304272B (en) * | 2019-06-25 | 2020-09-11 | 西北工业大学 | Micro-nano satellite tracker based on truss assembly and tracking method thereof |
| CN111959827A (en) * | 2020-08-17 | 2020-11-20 | 青岛睿蓝科技有限公司 | Auxiliary derailing device for microsatellite |
| CN112061429A (en) * | 2020-09-07 | 2020-12-11 | 西北工业大学 | Large inflatable escape-proof space debris cleaning device and space debris release method |
| CN113682495A (en) * | 2021-08-27 | 2021-11-23 | 中国空间技术研究院 | Space film satellite integrating communication transmission and fragment removal |
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Granted publication date: 20190621 |