CN110304271A - A kind of cube satellite that passively leaves the right or normal track - Google Patents
A kind of cube satellite that passively leaves the right or normal track Download PDFInfo
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- CN110304271A CN110304271A CN201910516996.4A CN201910516996A CN110304271A CN 110304271 A CN110304271 A CN 110304271A CN 201910516996 A CN201910516996 A CN 201910516996A CN 110304271 A CN110304271 A CN 110304271A
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- normal track
- leaves
- inflation
- resistance ball
- cube satellite
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- 230000001965 increasing effect Effects 0.000 claims description 10
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 241000282322 Panthera Species 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 8
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- 230000002708 enhancing effect Effects 0.000 description 3
- 230000000116 mitigating effect Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
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- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
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- 229910052741 iridium Inorganic materials 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
-
- 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
-
- 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
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
- B64G1/2221—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state characterised by the manner of deployment
- B64G1/2227—Inflating
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
A kind of cube satellite that passively leaves the right or normal track belongs to LEO and leaves the right or normal track technical field, solves the problems, such as leaving the right or normal track for LEO, it includes that inflation increases resistance ball, and the covering that inflation increases resistance ball is less than or equal to 5 μm of polyimide film material using thickness；It empties gas and the inflation folded increases resistance ball sealing in a cuboid box, an end face of cuboid box is set as hinge-lid, and hinge-lid is locked by priming system bolt；The present invention leaves the right or normal track for LEO.
Description
Technical field
It leaves the right or normal track technical field the invention belongs to LEO, and in particular to a kind of cube satellite that passively leaves the right or normal track.
Background technique
Show there is 5,000 satellites, the new satellite 394 of entering the orbit in the whole world in 2017 on Earth's orbit at present according to international space data
, quantity increased by 60% than 2016, and it is increasingly severe to hit star hidden danger, the U.S.'s " iridium satellite 33 " satellites in 2009 and Russian " universe
It is more than 3200 that 2251 " satellites, which bump against generation fragment,；Discarded satellite and the space junk overwhelming majority are distributed in away from ground 2000km
The most used LEO of the mankind on, i.e. LEO.USA space monitoring net is announced, and ends 2 months 2018,10cm or more
Space debris population be about 18835, and space junk solves space junk still with annual 5% speed increase
The task that leaves the right or normal track is extremely urgent.
Various space debris mitigation files are successively promulgated in the world, and such as " outer space Mobility International code of conduct ", " space IADC is broken
Piece slows down guide ", " the United Nations outer space entrust space debris mitigation guide ", " international telecommunication union recommendation book ", " European Space fragment
Slow down code of conduct " and " European Space Agency's project space debris mitigation policy " etc..The U.S., European Union, Russia, Canada, Czech and
Germany etc. proposes associated documents.
Currently be directed to LEO leave the right or normal track means and the problems of it is as follows:
(1) removal technology is arrested in space towboat pursuit, and this kind of technology is more mature, and controllability is high, but reusability is poor,
Remove higher cost, about 27,000,000 dollars/；
(2) rope system leaves the right or normal track technology, spacecraft with tether together orbital motion, tether constantly cut earth magnetic field and in tether
Both ends generate electromotive force, thus the resistance by earth's magnetic field leaves the right or normal track and reenters atmosphere.The disadvantage is that tether is easily cut off by space junk,
The risk to collide with other spacecrafts is also increased, and limited to some polar orbiting satellite effects；
(3) braking sail leaves the right or normal track technology, stretches film by support mast on satellite and forms sail, increases defending in directional velocity
Star sectional area forces satellite to leave the right or normal track to increase atmospheric drag, and this method that leaves the right or normal track needs accurate gesture stability, and leave the right or normal track effect
Rate is unstable；
(4) expanded foam increases resistance technology, and electrostatic force increases resistance technology, and dust increases resistance technology, mainly for small-sized fragment, by broken
Piece spray foam or plasma or dust etc. increase the area-mass ratio of fragment, increase the atmospheric drag of fragment, but technology Shang Bucheng
It is ripe, and the particle cloud and mist retained may influence the spacecraft operated normally.
Summary of the invention
The purpose of the present invention is to solve the problems that leaves the right or normal track of LEO, provide the passive cube that leaves the right or normal track of one kind and defend
Star, its technical solution is as follows:
A kind of cube satellite that passively leaves the right or normal track, it includes that inflation increases resistance ball, and the covering that inflation increases resistance ball is less than or is waited using thickness
In 5 μm of polyimide film material, the folding volume after gas is emptied using the sphere of this material is minimum, after inflating expanded
Global density it is minimum, can fold gathering delivered in the space of very little, be filled on the LEO close to vacuum environment
Minimal amount of gas is unfolded with regard to expansion and keeps certain aerodynamic configuration, after expansion can with the faint air drag of Collection utilization and
Solar light pressure, reduces the speed of service of space junk, to reduce its flying height until destroying by fire into atmosphere；Empty gas simultaneously
The inflation of folding increases resistance ball sealing in a cuboid box, and an end face of cuboid box is set as hinge-lid, hinge
Box cover is connect to lock by priming system bolt；It is used if be fixed on other satellites, can be arranged on other satellites and fill
Gas control system, after other satellites are scrapped, ventilating control system control priming system bolt pops, and sphere inflates exhibition
It opens, at present ventilating control system technology maturation, can directly utilize the prior art, not have such as more than one week or miscellaneous stipulations time
It when thering is signal to be passed to, that is, can not receive heartbeat instruction, then assert that satellite fails, ventilating control system excitation priming system bolt pops,
To make hinge-lid be unfolded, then ventilating control system opens gas cylinder slowly inflating expanded increasing resistance ball again, starts to leave the right or normal track；Or
Ventilating control system is integrated in cuboid box, constitutes the cube satellite that leaves the right or normal track an of complete function, realizes modularization,
The outer surface gluing of box, can carry the box of multiple complete functions using satellite or other aircraft, and pursuit is supported
Module is adhered on space junk by mechanical arm etc. after near space fragment, ventilating control system can start to work；
The glue can use cliftone adhesive, and transliteration is that Cray not pauses adhesive, be purchased by Shanghai world pharmaceuticals from the U.S.
, space environment adaptability is good, adhesive is uniformly applied to adhesive face, smearing thickness 1mm solidifies after 48 hours, shows
Soft elasticity is similar to rubber, can adhere to immediately after contacting metal, easy to use；The inflation of 4m diameter increases resistance ball, and covering is using thick
The ultra-thin Kapton of 5 μm of degree, quality is less than 400g；Since aeration quantity is small, the quality of ventilating control system less than
250g；Cuboid box uses carbon fibre material, and quality is less than 150g；Reserved quality 200g, gross mass can control in 1000g
Within, and total volume, that is, cuboid box volume is not more than 1 cubic decimeter, is very easy to delivery；It can also be remaining empty
Between camera, the optional equipments such as GPS are installed；The increasing that 4 meters of diameter hinders ball, and the space of the 120kg of 600km orbit altitude can be made broken
Piece leaves the right or normal track in 1 year to be destroyed by fire or leaving the right or normal track for space junk 25 years for 1700kg is destroyed by fire, is met the world and is left the right or normal track time limit requirement；It can root
The satellite modules parameter of needs is calculated according to orbit altitude, chip mass and the time limit that leaves the right or normal track.
Following table is according to the calculated Common Parameters of space junk status:
Ventilating control system generally uses nitrogen for charge air conditioning, the source of nitrogen can there are two types of, one is carry high pressure gas
Bottle, another kind are generated by chemical reaction, and prior art automatic control easy to accomplish is utilized.
Inflation increases the covering of resistance ball by the cut-parts heat seal bonding forming of muti-piece warp direction；By taking 1.8m diameter sphere as an example,
Using the Kapton production with a thickness of 5 μm, it is covering by the cut-parts bonding of 12 pieces of warp directions, is arranged on covering and fills
Deflation interface constitutes inflation and increases resistance ball.Inflation/deflation interface is connect with ventilating control system.
After cutter determines cut-parts, the Kapton by being coated with FEP coating is bonded as connection sheet come heat seal,
FEP, that is, fluorinated ethylene propylene copolymer, wherein the content of hexafluoropropene is between 10%-20%, the Kapton of connection sheet
With a thickness of 12.5 μm, the coating thickness of FEP coating is 5-10 μm, and heat-seal temperature is 330 DEG C, hot pressing time 10-30s, polyamides
Imines film has the effect of warp enhancing as connection sheet, and similar to the reinforcement inside lantern, sphere can be enhanced in near-earth
D type ability of the track by small atmospheric drag.
It after sphere is made, is folded, is a kind of multidimensional Z disclosed in CN201611145323.5 referring to number of patent application
Shape large size sacculus folds gathering method, first three step folds in the method, and whole star valves that the 4th step sorts out third step are put down
It is divided into two parts and flattening is respectively superposed, form the piece of a strip, then Z-fold into square.
The invention has the benefit that the creative sphere that the not ultra-thin super large of application value is utilized on the ground
It is unfolded to play in LEO and increases resistance effect, has that weight is extremely light, it is minimum to collapse volume, can be with modular technical advantage, benefit
It is left the right or normal track with faint air drag and solar light pressure, without consuming additional energy, does not need gesture stability omnidirectional and increase resistance, system letter
It is single reliable, it leaves the right or normal track high-efficient, there is good application value.
Detailed description of the invention:
Fig. 1 is the schematic diagram that inflation increases resistance ball；
Fig. 2 is the schematic diagram of cut-parts connection；
Fig. 3 is the schematic diagram of cuboid box；
Fig. 4 is the schematic diagram that enhancement bar is arranged in cut-parts.
Specific embodiment:
Referring to figs. 1 to Fig. 4, a kind of cube satellite that passively leaves the right or normal track, it includes that inflation increases resistance ball 1, and the covering that inflation increases resistance ball 1 is adopted
It is less than or equal to 5 μm of polyimide film material with thickness, the folding volume after gas is emptied using the sphere of this material
It is minimum, it is inflating expanded after global density it is minimum, gathering can be folded and delivered in the space of very little, close to vacuum environment
Minimal amount of gas is filled on LEO to be unfolded with regard to expansion and keep certain aerodynamic configuration, it can be micro- with Collection utilization after expansion
Weak air drag and solar light pressure, reduces the speed of service of space junk, to reduce its flying height until entering atmosphere
It destroys by fire；It empties gas and the inflation increasing resistance ball 1 folded is encapsulated in a cuboid box 2, an end face of cuboid box 2
It is set as hinge-lid 2-1, hinge-lid 2-1 is locked by priming system bolt 2-2；It is used if be fixed on other satellites,
Ventilating control system can be set on other satellites, after other satellites are scrapped, ventilating control system control
Priming system bolt 2-2 pops, and sphere is inflating expanded, at present ventilating control system technology maturation, can directly utilize the prior art,
It when there is no signal to be passed to such as more than one week or miscellaneous stipulations time, that is, can not receive heartbeat instruction, then assert that satellite fails, inflation
Control system excitation priming system bolt 2-2 pops, so that hinge-lid 2-1 be made to be unfolded, then ventilating control system opens gas again
Slowly inflating expanded increasing hinders ball to bottle, starts to leave the right or normal track；Or ventilating control system is integrated in cuboid box 2, composition one is complete
The cube satellite that leaves the right or normal track of whole function realizes that modularization can use satellite or other flights in the outer surface gluing of box
Device carries the box of multiple complete functions, and pursuit approaches space junk and module is adhered to space by mechanical arm etc. later
On fragment, ventilating control system can start to work；The glue can use cliftone adhesive, and transliteration is that Cray not pauses
Adhesive is bought by Shanghai world pharmaceuticals from the U.S., and space environment adaptability is good, and adhesive is uniformly applied to adherency
Face, smearing thickness 1mm, solidifies after 48 hours, shows soft elasticity, is similar to rubber, can adhere to immediately after contacting metal, simple easy
With；The inflation of 4m diameter increases resistance ball 1, and covering uses 5 μm of thickness of ultra-thin Kapton, and quality is less than 400g；Due to
Aeration quantity is small, and the quality of ventilating control system is less than 250g；Cuboid box 2 uses carbon fibre material, and quality is less than 150g；In advance
Quality 200g is stayed, gross mass can control within 1000g, and the volume of total volume, that is, cuboid box 2 is not more than 1 cube
Decimetre is very easy to delivery；The optional equipments such as camera, GPS can also be installed in remaining space；The increasing that 4 meters of diameter hinders ball, can
So that the space junk of the 120kg of 600km orbit altitude leaves the right or normal track in 1 year and destroys by fire or 1700kg leaves the right or normal track for space junk 25 years
It destroys by fire, meets the world and leave the right or normal track time limit requirement；The satellite of needs can be calculated according to orbit altitude, chip mass and the time limit that leaves the right or normal track
Module parameter.
Following table is according to the calculated Common Parameters of space junk status:
Ventilating control system generally uses nitrogen for charge air conditioning, the source of nitrogen can there are two types of, one is carry high pressure gas
Bottle, another kind are generated by chemical reaction, and prior art automatic control easy to accomplish is utilized.
Inflation increases the covering of resistance ball 1 by the cut-parts 1-1 heat seal bonding forming of muti-piece warp direction；It is with 1.8m diameter sphere
Example is covering by the cut-parts 1-1 bonding of 12 pieces of warp directions, on covering using the Kapton production with a thickness of 5 μm
Inflation/deflation interface is set and constitutes inflation increasing resistance ball 1.Inflation/deflation interface is connect with ventilating control system.
It is viscous come heat seal as connection sheet by the Kapton for being coated with FEP coating after cutter determines cut-parts 1-1
It connects, FEP, that is, fluorinated ethylene propylene copolymer, wherein the content of hexafluoropropene is between 10%-20%, the polyimides of connection sheet
Film thickness is 12.5 μm, and the coating thickness of FEP coating is 5-10 μm, and heat-seal temperature is 330 DEG C, hot pressing time 10-30s,
Kapton has the effect of warp enhancing as connection sheet, similar to the reinforcement inside lantern, sphere can be enhanced and exist
D type ability of the LEO by small atmospheric drag.
It after sphere is made, is folded, is a kind of multidimensional Z disclosed in CN201611145323.5 referring to number of patent application
Shape large size sacculus folds gathering method, first three step folds in the method, and whole star valves that the 4th step sorts out third step are put down
It is divided into two parts and flattening is respectively superposed, form the piece of a strip, then Z-fold into square.
Preferably, the increasing of polyimide film material or carbon fibre material is provided on the covering that inflation increases resistance ball 1
Strong item 3, further increases in-orbit d type ability, and enhancement bar 3 can be c-type, T-type or the arbitrary shapes such as O-shaped, according to enhancing direction
It is selected, enhancement bar 3 is Nian Jie with covering heat seal.
It is arranged it may further be preferable that enhancement bar 3 avoids the broken line that inflation increases when resistance ball 1 folds, such as without fold line
Unit be 45 × 45mm square, enhancement bar 3 be arranged in the square of 45 × 45mm.
Claims (5)
1. a kind of cube satellite that passively leaves the right or normal track, it is characterised in that it includes that inflation increases resistance ball (1), and inflation increases the ball of resistance ball (1)
Skin is less than or equal to 5 μm of polyimide film material using thickness；It empties gas and inflation increasing resistance ball (1) folded is encapsulated in
In one cuboid box (2), an end face of cuboid box (2) is set as hinge-lid (2-1), hinge-lid (2-1)
It is locked by priming system bolt (2-2).
2. a kind of cube satellite that passively leaves the right or normal track as described in claim 1, it is characterised in that integrate and fill in cuboid box (2)
Gas control system.
3. a kind of cube satellite that passively leaves the right or normal track as described in claim 1, it is characterised in that on the covering that inflation increases resistance ball (1)
It is provided with the enhancement bar (3) of polyimide film material or carbon fibre material, enhancement bar (3) is Nian Jie with covering heat seal.
4. a kind of cube satellite that passively leaves the right or normal track as described in claim 1, it is characterised in that inflation increases the covering of resistance ball (1) by more
Cut-parts (1-1) heat seal bonding forming of block warp direction.
5. a kind of cube satellite that passively leaves the right or normal track as claimed in claim 4, it is characterised in that cut-parts (1-1) are by being coated with FEP
The Kapton of coating carrys out heat seal bonding as connection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910516996.4A CN110304271A (en) | 2019-06-14 | 2019-06-14 | A kind of cube satellite that passively leaves the right or normal track |
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| CN201910516996.4A CN110304271A (en) | 2019-06-14 | 2019-06-14 | A kind of cube satellite that passively leaves the right or normal track |
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Cited By (3)
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| CN110901959A (en) * | 2019-12-04 | 2020-03-24 | 成都星时代宇航科技有限公司 | Passive satellite derailment device, remote sensing satellite and satellite |
| CN111017263A (en) * | 2019-12-12 | 2020-04-17 | 中国科学院国家空间科学中心 | Spacecraft resistance-increasing and orbit-reducing device based on honeycomb unit structure |
| CN114056607A (en) * | 2020-07-29 | 2022-02-18 | 南京理工大学 | Air bag type target star popping device and working method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901959A (en) * | 2019-12-04 | 2020-03-24 | 成都星时代宇航科技有限公司 | Passive satellite derailment device, remote sensing satellite and satellite |
| CN110901959B (en) * | 2019-12-04 | 2020-07-31 | 成都星时代宇航科技有限公司 | Passive satellite derailment device, remote sensing satellite and satellite |
| CN111017263A (en) * | 2019-12-12 | 2020-04-17 | 中国科学院国家空间科学中心 | Spacecraft resistance-increasing and orbit-reducing device based on honeycomb unit structure |
| CN114056607A (en) * | 2020-07-29 | 2022-02-18 | 南京理工大学 | Air bag type target star popping device and working method |
| CN114056607B (en) * | 2020-07-29 | 2023-02-28 | 南京理工大学 | Air bag type target star popping device and working method |
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Application publication date: 20191008 |