CN107264846B - Graphene film package space junk cleaning plant and method based on Lorentz force - Google Patents
Graphene film package space junk cleaning plant and method based on Lorentz force Download PDFInfo
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- CN107264846B CN107264846B CN201710417965.4A CN201710417965A CN107264846B CN 107264846 B CN107264846 B CN 107264846B CN 201710417965 A CN201710417965 A CN 201710417965A CN 107264846 B CN107264846 B CN 107264846B
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- graphene film
- space junk
- lorentz force
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- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G4/00—Tools specially adapted for use in space
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Abstract
The present invention relates to a kind of, and the graphene film based on Lorentz force wraps up space junk cleaning plant and method, the characteristics of using grapheme material high-efficiency energy-storage, electronics is sprayed by electron gun, several meters long, high current electrification rope and the big Lorentz force of cutting generation in magnetic field are formed, the shortcomings that existing Electrodynamic tether manner of cleaning up needs thousands of rice or even tens of km hawsers is avoided；Further, since graphene film is flexible body, folds and place on satellite platform, therefore cleaning plants as multiple as possible can be carried in limited space in satellite platform, more space junks can be cleared up with less cost.
Description
Technical field
The invention belongs to space technology fields, are related to a kind of scheme for clearing up space junk, specially graphene film packet
It wraps up in space junk and earth's magnetic field is cut by high current live wire and generate big Lorentz force passing away come accelerating space fragment.
Background technique
As more and more spacecrafts enter space, the quantity of generated space junk 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 main component of spacecraft is destroyed, seriously affect the normal work of spacecraft.Space junk how is effectively removed to have become
For the hot spot and Disciplinary Frontiers currently studied in the world.
Existing space junk manner of cleaning up mainly includes capture, laser cleaning and Electrodynamic tether etc., in which:
1) catching mode grabs space junk by the mechanisms 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 in 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, increases the temperature of fragment up to it
Distil or make space junk obtain a speed increment come reduce its flight track, so as to shorten the time of its in-orbit flight.This
Kind mode is very high to the required precision of space junk position sensing and aiming transmitting, can not effectively remove 1 centimetre of sky below
Between fragment；Additionally due to generating superlaser needs to consume big energy, cleaning fragment is at high cost, therefore uses space base and space-based
Laser manner of cleaning up is unable to complete the cleaning of a large amount of space junks；
It 3) is to adhere to a live wire on space junk using the principle of Electrodynamic tether cleaning space junk, broken
Piece it is in-orbit in-flight, live wire cut earth magnetic field the magnetic line of force generate Lorentz force, effect of the fragment in Lorentz force
It is lower to be detached from original running track, it eventually enters into atmosphere and burns.Its shortcoming is led to since live wire electric current is very small
Often designed cable length need to be thousands of rice even tens of kms, be difficult to realize in engineering.
Summary of the invention
Technical problem solved by the present invention is for deficiency present in existing space defragmentation mode, the present invention is mentioned
A kind of device and method of graphene film package cleaning space junk based on Lorentz force is gone out.
The technical scheme is that a kind of graphene film based on Lorentz force wraps up space junk cleaning plant,
It is characterised in that it includes terminal module 3, conducting 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 sunlight to graphene film 6；Graphene film 6 and several institutes
The connection of conducting wire 4 is stated, several 4 other ends of conducting wire are connect with several terminal modules 3, and graphene film 6 can be several
The conducting wire 4 drives lower expansion.
A further technical solution of the present invention is: 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 projects generate unidirectional current.
A further technical solution of the present invention is: emitting above-mentioned cleaning when satellite platform monitors the fragment of exterior space
Device, after graphene film wraps up space junk, conducting wire 4 cuts earth's magnetic field and generates Lorentz force, makes space junk running track
It reduces, accelerates to fall.
A further technical solution of the present invention is: a kind of graphene film package space junk cleaning based on Lorentz force
The method for cleaning of device, comprising the following steps:
Step 1: microsatellite launching platform can make at a distance from guaranteeing it between fragment according to existing fragment relevant information
Cleaning plant discharges cleaning plant when contacting preceding graphene film with space junk can be fully deployed；Terminal module is to sky
Between fragment fly, while graphene film being pulled to be unfolded；
Step 2: terminal module moves to before the maximum position that conducting wire can be fully deployed, the work of polygon control survey device, control
Conducting wire processed continues to stretch, so that the resistance of conducting wire release increases, it is zero that the relative velocity of terminal module, which gradually decreases, 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 work, four conducting wires generate unidirectional electric current, live wire cutting magnetic induction line, generation and fragment
The opposite Lorentz force of the direction of motion, makes track gradually decay, and fragment is driven to fall into the earth.
Invention effect
The technical effects of the invention are that: the present invention utilizes the characteristics of grapheme material high-efficiency energy-storage, will by electron gun
Electronics sprays, and forms several meters long, high current electrification rope and the big Lorentz force of cutting generation in magnetic field, avoids existing electronic
Power hawser manner of cleaning up needs the shortcomings that thousands of rice or even tens of km hawsers；Further, since graphene film is flexible body,
It folds and places on satellite platform, therefore cleaning plants as multiple as possible can be carried in limited space in satellite platform, it can
More space junks are cleared up with less cost.Specific effect is as follows:
(1) cleaning plant foldable, it is shared small in size after folding, can be realized miniaturization and lighting, be easy to carry about with one and
Storage is, it can be achieved that multiple target clean-up task.
(2) unfolding 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 the passive friction eceleration of conducting wire, high reliablity are leaned on before in place.
(3) it is 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 conducting wire is very long, the problems such as being difficult to realize and be easily broken in engineering, leads in the present invention
Line length is shorter, and functional reliability is high.
Detailed description of the invention
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 package fragment acceleration is passed away
Fig. 6: scale removal process flow chart
Description of symbols: 1- satellite platform；2- cleaning plant；3- terminal module；4- conducting wire；5- thin film solar cell；
6- graphene film；7- space junk
Specific embodiment
For deficiency present in existing space defragmentation mode, the invention proposes a kind of stones based on Lorentz force
The scheme of black alkene film package 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 of graphene film, conducting 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 component；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 generates passes through soft
Property wire transmission to terminal module formed high current charge hawser.Cleaning plant is emitted by microsatellite launching platform, 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
It sets, four terminal modules obtain initial velocity and fly to space junk, and pull graphene film by conducting wire, so that graphene is thin
Film is fully deployed in flight course.After graphene film captures space junk, terminal module due to inertia will continue to
Preceding movement, so that graphene film be made to wrap space junk.Thereafter conducting wire cutting earth's magnetic field generates Lorentz force, pulls space
Fragment makes the reduction of its running track, accelerates its orbital decay, after so that the cleaning plant and fragment is entered atmosphere at a high speed with atmosphere
It is burnt after friction.
A kind of graphene package space junk method for cleaning based on Lorentz force, it is characterised in that: cleaning plant is main
It is made of graphene film, thin film solar cell, conducting wire and four terminal modules.Four terminal modules are by flexible wire and graphite
Alkene film is connected.Mainly there are two effects for the graphene film: package space junk makes space junk and cleaning plant
It moves together；As high-efficiency energy-storage device, electronics required for generating high current is provided.The thin film solar cell it is main
Effect is to carry out filling energy to graphene film using sunlight, avoids cleaning plant energy in space flight insufficient and can not produce
The case where raw Lorentz force.Mainly there are two effects for the flexible wire: connection terminal module and graphene film；Electric current
Access, cutting magnetic induction line generate the Lorentz force with the space junk reversing of motion, make orbital decay.In the 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, to reduce the relative separation speed of terminal module to zero and be tensioned conducting wire.Electron gun it is main
Effect be electron gun at electrospray go out, guarantee to generate lasting unidirectional current.
Under rounding state, graphene film is folded cleaning plant by star fashion, guarantees that shared volume is minimum.Space is broken
Under sheet cleaning device fully unfolded position, four terminal modules are located on the diagonal line of square graphite alkene film, four electricity
Sub- rifle is connect by flexible wire with two ropes on graphene film, directly to graphene when avoiding opening up into maximum position
Film causes to tear.
Space junk cleaning plant cleaning space junk mainly comprises the steps that
Step 1: microsatellite launching platform according to existing fragment relevant information, move to setting satellite platform and fragment away from
From guarantee cleaning plant graphene film before contacting with space junk can be fully deployed, and launch cleaning by satellite platform
Device, four terminal modules fly to space junk, while graphene film being pulled to be unfolded；
Step 2: when four terminal modules move to ejection setting position, polygon control survey device work, so that conducting wire discharges
Resistance increase, it is zero that the relative velocity of separate terminal module, which gradually decreases,；
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 generates high current, electron gun work, and four conducting wires generate unidirectional electric current, band point
Conducting wire cutting magnetic induction line generates the Lorentz force opposite with the fragment direction of motion, track is made gradually to decay, and reaches cleaning fragment
Purpose.
The present invention is described in further detail with embodiment with reference to the accompanying drawing.It should be noted that this place
The specific implementation example of description for explaining only the invention, rather than limitation of the invention；In addition, for ease of description, attached drawing
In show only part related to the present invention rather than full content.
As shown in Figure 1, casting out space junk cleaning plant, four terminals after microsatellite launching platform discovery space junk
Module is moved with certain initial velocity to space junk, before terminal module moves to permitted maximum position, polygon control survey
Device work, so that the resistance of conducting wire release increases, it is zero that the relative velocity of separate terminal module, which gradually decreases,.Cleaning plant includes
Terminal module, conducting wire, graphene film and thin film solar cell, as shown in Figure 2.Before cleaning plant reaches space junk,
Cleaning plant is in fully unfolded position, as shown in Figure 3.After graphene film captures space junk, terminal module due to
Inertia will continue to travel forward, to make graphene film wrap space junk, as shown in Figure 4.Live wire cuts earth magnetism
Field generates Lorentz force, keeps space junk speed smaller, and running track reduces, and finally crashes into atmosphere and burns, as shown in Figure 5.
As shown in fig. 6, entire scale removal process the following steps are included:
Step 1: microsatellite launching platform obtains space junk information, determines that space junk at a distance from satellite platform, guarantees
Cleaning plant graphene film before contact with space junk can be fully deployed, and launch cleaning plant by satellite platform, and four
A terminal module is flown with certain initial velocity to space junk, while graphene film being pulled to be unfolded；
Step 2: before four terminal modules move to the permitted maximum position of ejection, the work of polygon control survey device makes
The resistance for obtaining conducting wire release increases, and it is zero that the relative velocity of separate terminal module, which gradually decreases,；
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 generates high current, electron gun work, and four live wire cutting magnetic induction lines generate
The Lorentz force opposite with the fragment direction of motion, makes track gradually decay, and achievees the purpose that clear up fragment.
Claims (3)
1. a kind of graphene film based on Lorentz force wraps up space junk cleaning plant, which is characterized in that including terminal mould
Block (3), conducting 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 powered using sunlight to graphene film (6)；Graphene film (6) with it is several described
Conducting wire (4) connection, several conducting wire (4) other ends are connect with several terminal modules (3), and graphene film (6) can
It is unfolded in the case where several conducting wires (4) drive；The terminal module (3) includes polygon control survey device and electron gun, polygon control survey device
The collapsing length of pilot (4), the electronics that electron gun projects generate unidirectional current.
2. a kind of graphene film based on Lorentz force as described in claim 1 wraps up space junk cleaning plant, special
Sign is, when satellite platform monitors the fragment of exterior space, emits above-mentioned cleaning plant, graphene film wraps up space junk
Afterwards, conducting wire (4) cutting earth's magnetic field generates Lorentz force, makes the reduction of space junk running track, accelerates to fall.
3. the cleaning side based on the graphene film package space junk cleaning plant described in claim 1 based on Lorentz force
Method, which comprises the following steps:
Step 1: microsatellite launching platform can make to clear up according to existing fragment relevant information at a distance from guaranteeing it between fragment
Device discharges cleaning plant when contacting preceding graphene film with space junk can be fully deployed；Terminal module is broken to space
Piece flight, while graphene film being pulled to be unfolded；
Step 2: terminal module moves to before the maximum position that conducting wire can be fully deployed, and polygon control survey device work, control is led
Line continues to stretch, so that the resistance of conducting wire release increases, it is zero that the relative velocity of terminal module, which gradually decreases, 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 movement, so that the fully wrapped around space junk of graphene film；
Step 4: electron gun work, four conducting wires generate unidirectional electric current, and live wire cutting magnetic induction line is generated and moved with fragment
Contrary Lorentz force, makes track gradually decay, and fragment is driven to fall into the earth.
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979745A (en) * | 2019-11-08 | 2020-04-10 | 北京卫星制造厂有限公司 | Lorentz force-based space protection method and system |
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| 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 |
| 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 |
| 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 |
| CN112061429B (en) * | 2020-09-07 | 2022-09-23 | 西北工业大学 | Large inflatable escape-proof space debris cleaning device and space debris release method |
| CN113682495B (en) * | 2021-08-27 | 2022-09-23 | 中国空间技术研究院 | Space film satellite integrating communication transmission and fragment removal |
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| CN103434658A (en) * | 2013-08-28 | 2013-12-11 | 李怡勇 | Method and device for cleaning space debris |
| CN103466104A (en) * | 2013-08-22 | 2013-12-25 | 中国人民解放军国防科学技术大学 | Composite SiC fabric filled space debris protection structure |
| CN104743143A (en) * | 2013-12-29 | 2015-07-01 | 杨崇书 | Space debris cleaner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130001365A1 (en) * | 2011-07-01 | 2013-01-03 | Drexel University | Orbital debris mitigation using high density plasma |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466104A (en) * | 2013-08-22 | 2013-12-25 | 中国人民解放军国防科学技术大学 | Composite SiC fabric filled space debris protection structure |
| CN103434658A (en) * | 2013-08-28 | 2013-12-11 | 李怡勇 | Method and device for cleaning space debris |
| CN104743143A (en) * | 2013-12-29 | 2015-07-01 | 杨崇书 | Space debris cleaner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110979745A (en) * | 2019-11-08 | 2020-04-10 | 北京卫星制造厂有限公司 | Lorentz force-based space protection method and system |
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Granted publication date: 20190621 |