CN107608070B - One kind being used for the deployable shading closure assembly of stationary orbit remote sensing camera - Google Patents
One kind being used for the deployable shading closure assembly of stationary orbit remote sensing camera Download PDFInfo
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- CN107608070B CN107608070B CN201710858018.9A CN201710858018A CN107608070B CN 107608070 B CN107608070 B CN 107608070B CN 201710858018 A CN201710858018 A CN 201710858018A CN 107608070 B CN107608070 B CN 107608070B
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Abstract
One kind belonging to space industry for the deployable shading closure assembly of stationary orbit remote sensing camera, which includes: mechanical-optical setup ontology, multistage hood cylinder, retaining mechanism and drawstring sleeve driving mechanism；Multistage hood cylinder is fixed with mechanical-optical setup ontology, realizes compressive state by retaining mechanism；Drawstring sleeve driving mechanism is identical as the series of multistage hood cylinder, every level-one sleeve of drawstring sleeve driving mechanism is rigidly connected with the level-one hood cylinder of corresponding multistage hood cylinder, and multistage hood cylinder realizes the expansion of multi-stage sleeve by drawstring sleeve driving mechanism；Primary mirror is arranged in the level-one sleeve of drawstring sleeve driving mechanism；The every level-one circumference uniform distribution of retaining mechanism is on the multistage hood cylinder of corresponding level-one.Compression ratio of the present invention is high；The driving force of drawstring sleeve driving mechanism is big, and synchronism is high；Whole device is high in the rigidity of structure of compressive state, can bear the vibratory shock load of emission process；Locking/unlock high reliablity, coupling mechanism force are big.
Description
Technical field
The invention belongs to space industries, and in particular to one kind is used for 3 meters of deployable shadings of bore remote sensing camera of stationary orbit
Closure assembly.
Background technique
At present hood on space telescope, remote sensing of the earth field using increasingly extensive, routinely apply in spatial light
Hood in system is not reinflated, and with the increase of optics bore, the hood of the form has been not suitable for heavy caliber sky
Between optical system development.Meanwhile the remote sensing camera for running on geostationary orbit faces special space environment, with the sun
On the one hand the angle cycle period variation in 24 hours of light, sun light direct beam camera light inlet can introduce stray light, cause image planes spoke
Illumination decline, optical system signal-to-noise ratio reduce；On the other hand, the heat of introducing causes internal thermal equilibrium to destroy, and reduces camera
Image quality, therefore, special space environment requires the hood length of remote sensing camera of the work in the track further to increase
Greatly, since the fairing length of transmitting rocket limits, conventional fixed hood cannot be placed in inside rocket, urgently
Need deployable hood scheme.
In conclusion the deployable hood of remote sensing camera is by increasing attention, but relevant research is relatively stagnant
Afterwards, there is presently no the hood expansion application cases for realizing stationary orbit remote sensing camera.
Summary of the invention
In order to solve the problems in the existing technology, the present invention provides one kind can open up for stationary orbit remote sensing camera
Shading closure assembly is opened, using the scheme that is compressed axially of hood, effectively overcomes the limitation of rocket fairing length；Pass through simultaneously
The compression of hood, lock-in techniques improve the first-order modal of shading shade assembly.
The technical proposal for solving the technical problem of the invention is as follows:
One kind being used for the deployable shading closure assembly of stationary orbit remote sensing camera, which includes: mechanical-optical setup ontology, multistage
Hood cylinder, retaining mechanism and drawstring sleeve driving mechanism；The multistage hood cylinder is fixed with mechanical-optical setup ontology, passes through lock
Tight mechanism realizes compressive state；The drawstring sleeve driving mechanism is identical as the series of multistage hood cylinder, the driving of drawstring sleeve
Every level-one sleeve of mechanism is rigidly connected with the level-one hood cylinder of corresponding multistage hood cylinder, and multistage hood cylinder passes through drawing
The expansion of rope sling cylinder driving mechanism realization multi-stage sleeve；Primary mirror is arranged in the level-one sleeve of drawstring sleeve driving mechanism；Locking
The every level-one circumference uniform distribution of mechanism is on the multistage hood cylinder of corresponding level-one；When unlock, start retaining mechanism, multistage hood cylinder
At release conditions, drawstring sleeve driving mechanism is driven, multistage hood cylinder is unfolded.
The beneficial effects of the present invention are: it is a kind of high for the deployable shading closure assembly compression ratio of stationary orbit remote sensing camera,
Big compression ratio may be implemented；The driving force of drawstring sleeve driving mechanism is big, and synchronism is high；Structure of the whole device in compressive state
Rigidity is high, can bear the vibratory shock load of emission process；Using multiple locking pin firer synchronizing unlocking modes, locking/solution
The high reliablity of lock, coupling mechanism force are big.
Detailed description of the invention
Fig. 1 present invention is a kind of to be used for the deployable shading closure assembly compressive state figure of stationary orbit remote sensing camera.
Fig. 2 present invention is a kind of to be used for the deployable shading closure assembly compressive state cross-sectional view of stationary orbit remote sensing camera.
Fig. 3 retaining mechanism schematic diagram of the present invention.
Fig. 4 drawstring sleeve drive mechanism schematic of the present invention.
In figure: 1, mechanical-optical setup ontology, 2, drawstring sleeve driving mechanism, 3, level-one hood cylinder, 4, second level hood cylinder,
5, three-level hood cylinder, 6, level Four hood cylinder, 7, Pyatyi hood cylinder, 8, six grades of hood cylinders, 9, heating sheet, 10, locking
Mechanism, 11, spacer pin, 12, locking pin, 13, sealing ring, 14, initiator, 15, combustion chamber, 16, motor, 17, roll, 18,
Rope, 19, pulley, 20, level-one sleeve, 21, two-level sleeve, 22, three-level sleeve, 23, level Four sleeve, 24, Pyatyi sleeve and 25,
Six grades of sleeves.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.
One kind being used for the deployable shading closure assembly of 3 meters of bore remote sensing cameras of stationary orbit
Mechanical-optical setup ontology 1, drawstring sleeve driving mechanism 2, multistage hood cylinder, hood cylinder heating sheet 9 and locking machine
Structure 10.As depicted in figs. 1 and 2, in the present embodiment, multistage series is six grades.
Level-one hood cylinder 3 in mechanical-optical setup ontology 1 and multistage hood cylinder is fixed, and multistage hood cylinder passes through locking
Mechanism 10 realizes compressive state；Drawstring sleeve driving mechanism 2 is identical as the series of multistage hood cylinder, every level-one sleeve with it is corresponding
The hood cylinder of level-one is rigidly connected, and when unlock, starts retaining mechanism 10, multistage hood cylinder passes through drawstring at release conditions
Sleeve driving mechanism 2 realizes that multi-stage sleeve drives multistage hood cylinder expansion.Primary mirror is arranged in level-one sleeve 20；Retaining mechanism
10 and all circumference uniform distributions of drawstring sleeve driving mechanism 2 on multistage hood cylinder, in the present embodiment, retaining mechanism 10 and drawstring are driven
2 each three groups of motivation structure；Three retaining mechanisms 10 can guarantee the locking stiffness characteristics of structure.Three groups of drawstring sleeve driving mechanisms 2
It can be improved the stability of structure, increase the load-carrying power of structure.
Multistage hood cylinder is made by carbon fiber, and specific stiffness is high, and modulus is big, including level-one hood cylinder 3, two
Grade hood cylinder 4, three-level hood cylinder 5, level Four hood cylinder 6, Pyatyi hood cylinder 7 and six grades of hood cylinders 8；Inner surface
Diameter is respectively as follows: 3800mm, 3750mm, 3700mm, 3650mm, 3600mm, 3550mm, second level hood cylinder 4, three-level hood
The height of cylinder 5, level Four hood cylinder 6 and Pyatyi hood cylinder 7 is 2000mm, and the height of six grades of hood cylinders is 4000mm.Often
The outer wall of level-one hood cylinder pastes heating sheet 9, realizes in-orbit temperature active control function, passes through between every grade of hood cylinder
The mutually nested component for forming axial extensible compression, wherein level-one hood cylinder 3 is in outermost, and six grades of hood cylinders 8 are most
Inside realizes the nesting and locking of adjacent level hood cylinder by retaining mechanism 10.
As shown in Fig. 3 (a), there are 5 locking pins 12 on retaining mechanism 10, respectively corresponds the locking of every level-one hood cylinder；
When locking, locking pin 12 is prominent, by the annular protrusion in corresponding hood cylinder thus by corresponding every level-one hood cylinder axis
To limitation locking；When unlock, as shown in Fig. 3 (b), initiator 14 is under fire, and gunpowder vigorous combustion in combustion chamber 15 generates high pressure
Combustion gas, driving locking pin 12 are axially moveable, after spacer pin 11 is cut from centre, axially retract；Due to 5 locking pins 12
Combustion chamber 15 be connected to, therefore the synchronous of 5 locking pins 12 may be implemented and retract, realize that unlock is released while six grades of hoods
It puts, as shown in Fig. 3 (c), level-one hood cylinder is fixed by screw thread and mechanical-optical setup ontology, and second level hood cylinder is along level-one shading
The axial movement of cover cylinder；Three-level hood cylinder 3 can be moved axially along second level hood cylinder 4；And so on, realize six grades of hood cylinders
Expansion layer by layer.Wherein limited block is all arranged in the hood cylinder end of every level-one, and hood cylinders at different levels is prevented to be detached from whole device.
Shown in drawstring sleeve driving mechanism such as Fig. 4 (a), by motor 16, roll 17, rope, pulley 19, level-one sleeve
20,24, six grades of two-level sleeve 21, three-level sleeve 22, level Four sleeve 23, Pyatyi sleeve sleeves 25 are constituted；Every grade of multi-stage sleeve
There is fixed pulley 19 on sleeve, 18 one end of rope of level-one sleeve 20 and the roll of motor 16 are fixed, and pass through level-one set
Pulley 19,21 lower-left side roller of two-level sleeve, the 21 bottom right side roller of two-level sleeve of the upper left side of cylinder 20, the other end and level-one set
The upper right side of cylinder 20 is fixed；Rope one end of two-level sleeve 21 and the lower left side of level-one sleeve are fixed, and pass through two-level sleeve 21
Upper left side roller, 22 lower-left side roller of three-level sleeve, 22 bottom right side roller of three-level sleeve, 21 upper right side roller of two-level sleeve, separately
One end and the lower right side of level-one sleeve 20 are fixed；And so on, so that sleeve assembly is together in series；When expansion, 16 band of motor
Dynamic roll 17 rotates, and collapses rope 18, so that six grades of sleeve mechanisms are unfolded.As shown in Fig. 4 (b), wherein level-one sleeve 20
Fixation is threadedly coupled with level-one hood cylinder 3 by top transfer block, two-level sleeve 21 passes through top transfer block and second level shading
The annular protrusion of cover cylinder 4, which is threadedly coupled, to be fixed, and three-level sleeve 22 passes through the annular protrusion of top transfer block and three-level hood cylinder 5
It is threadedly coupled and fixes, and so on, every level-one sleeve all realizes that rigid connection is fixed with corresponding hood cylinder.Multi-stage sleeve machine
Structure (level-one~six grade) drives corresponding multistage hood cylinder to realize axial expansion, such as Fig. 4 during being unfolded step by step
(c) shown in.
Claims (6)
1. one kind is used for the deployable shading closure assembly of stationary orbit remote sensing camera, which is characterized in that the device includes: mechanical-optical setup
Ontology, multistage hood cylinder, retaining mechanism and drawstring sleeve driving mechanism；The multistage hood cylinder and mechanical-optical setup ontology are solid
It is fixed, compressive state is realized by retaining mechanism；The drawstring sleeve driving mechanism is identical as the series of multistage hood cylinder, drawstring
Every level-one sleeve of sleeve driving mechanism is rigidly connected with the level-one hood cylinder of corresponding multistage hood cylinder, multistage hood
Cylinder realizes the expansion of multi-stage sleeve by drawstring sleeve driving mechanism；The level-one sleeve of drawstring sleeve driving mechanism is arranged in primary mirror
It is interior；The every level-one circumference uniform distribution of retaining mechanism is on the multistage hood cylinder of corresponding level-one；When unlock, start retaining mechanism, it is multistage
Hood cylinder drives drawstring sleeve driving mechanism at release conditions, and multistage hood cylinder is unfolded.
2. according to claim 1 a kind of for the deployable shading closure assembly of stationary orbit remote sensing camera, which is characterized in that
By the mutually nested component for forming axial extensible compression between the multistage hood cylinder, series is six grades: wherein level-one
Hood cylinder is coaxially disposed in outermost, six grades of hood cylinders in most inner side, level-one hood cylinder to six grades of hood cylinders, second level
Hood cylinder to six grades of hood cylinders in axial direction move；Level-one hood cylinder is fixed by screw thread and mechanical-optical setup ontology,
Second level hood cylinder is realized by retaining mechanism and is locked with level-one hood cylinder；Three-level hood cylinder passes through retaining mechanism reality
Now it is locked with second level hood cylinder, and so on, realize the nested layer by layer and locking of six grades of hood cylinders.
3. according to claim 1 a kind of for the deployable shading closure assembly of stationary orbit remote sensing camera, which is characterized in that
The retaining mechanism includes: combustion chamber, multiple locking pins that combustion chamber is arranged in, and the lower end of each locking pin passes through corresponding shading
Annular protrusion in cover cylinder realizes the limit of the corresponding realization limit function of the fixation of corresponding hood cylinder at the same level, each locking pin
Position pin, the sealing ring covered on locking pin；When unlock, initiator is under fire, and vigorous combustion generates high compression ignition to gunpowder in the combustion chamber
Gas, driving locking pin be axially moveable, by spacer pin therefrom between have no progeny, axially retract；Since the combustion chamber of 5 locking pins connects
It is logical, therefore the synchronous of 5 locking pins may be implemented and retract, to realize the unlock release of six grades of hoods.
4. according to claim 1 a kind of for the deployable shading closure assembly of stationary orbit remote sensing camera, which is characterized in that
By the mutually nested component for forming axial extensible compression between the multi-stage sleeve, wherein level-one sleeve is in outermost, and six
Grade sleeve is in most inner side, and level-one sleeve to six grades of sleeves is coaxially disposed, and two-level sleeve to six grades of sleeves in axial direction moves；One
Grade sleeve is fixed by top transfer block and the annular protrusion in level-one hood cylinder, and two-level sleeve is realized by top transfer block
It is locked with the annular protrusion in second level hood cylinder；Three-level sleeve passes through in retaining mechanism realization and second level hood cylinder
Annular protrusion is locked, and so on, realize the nested layer by layer and locking of six grades of sleeves.
5. according to claim 1 a kind of for the deployable shading closure assembly of stationary orbit remote sensing camera, which is characterized in that
The drawstring sleeve driving mechanism includes: multi-stage sleeve, motor, roll, rope and pulley；On every layer of sleeve of multi-stage sleeve
There is fixed pulley, rope one end of level-one sleeve and the roll of motor are fixed, and the cunning of the upper left side by level-one sleeve
Wheel, two-level sleeve lower-left side roller, two-level sleeve bottom right side roller, the upper right side of the other end and level-one sleeve is fixed；Second level set
Rope one end of cylinder and the lower left side of level-one sleeve are fixed, and are breakked away by two-level sleeve upper left side roller, three-level sleeve lower-left
Wheel, three-level sleeve bottom right side roller, two-level sleeve upper right side roller, the lower right side of the other end and level-one sleeve is fixed；With such
It pushes away, so that sleeve assembly is together in series；When expansion, motor drives roll rotation, rope is collapsed, thus by six grades of sleeve machines
Structure expansion.
6. according to claim 1 a kind of for the deployable shading closure assembly of stationary orbit remote sensing camera, which is characterized in that
Heating sheet is set on the outer surface of the multistage hood cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710858018.9A CN107608070B (en) | 2017-09-21 | 2017-09-21 | One kind being used for the deployable shading closure assembly of stationary orbit remote sensing camera |
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| CN201710858018.9A CN107608070B (en) | 2017-09-21 | 2017-09-21 | One kind being used for the deployable shading closure assembly of stationary orbit remote sensing camera |
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| CN107608070B true CN107608070B (en) | 2019-06-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763262B (en) * | 2018-07-27 | 2020-07-24 | 长光卫星技术有限公司 | High-rigidity self-unfolding type light shield |
| CN109298521A (en) * | 2018-09-28 | 2019-02-01 | 中国科学院长春光学精密机械与物理研究所 | A kind of scalable shading closure assembly |
| CN110884690B (en) * | 2019-11-30 | 2021-11-16 | 中国人民解放军战略支援部队航天工程大学 | Optical imaging satellite side face light shield unfolding system |
| CN112433358B (en) * | 2020-11-30 | 2022-08-30 | 中国科学院长春光学精密机械与物理研究所 | Space ultra-large-diameter lens hood |
| CN114721200B (en) * | 2022-03-09 | 2023-08-18 | 长光卫星技术股份有限公司 | Space optical load light shield assembly capable of being unfolded in orbit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3822951B2 (en) * | 1997-06-13 | 2006-09-20 | 日本電産コパル株式会社 | Focal plane shutter |
| CN102565987A (en) * | 2012-01-20 | 2012-07-11 | 中国科学院上海技术物理研究所 | Space large-caliber extensible shading cover structure |
| CN103400605A (en) * | 2013-08-01 | 2013-11-20 | 中国科学院光电技术研究所 | Pop-up lens hood |
| CN103693214A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Large expandable sunshade cover mechanism applied to spacecraft |
| CN204719256U (en) * | 2015-05-27 | 2015-10-21 | 北京空间机电研究所 | The embedded outer light shield of a kind of ultrashort type |
| CN106773456A (en) * | 2016-12-09 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of deployable shading closure assembly |
| CN206351786U (en) * | 2016-12-28 | 2017-07-25 | 中国科学院长春光学精密机械与物理研究所 | One kind rotation unlocking type development mechanism |
-
2017
- 2017-09-21 CN CN201710858018.9A patent/CN107608070B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3822951B2 (en) * | 1997-06-13 | 2006-09-20 | 日本電産コパル株式会社 | Focal plane shutter |
| CN102565987A (en) * | 2012-01-20 | 2012-07-11 | 中国科学院上海技术物理研究所 | Space large-caliber extensible shading cover structure |
| CN103400605A (en) * | 2013-08-01 | 2013-11-20 | 中国科学院光电技术研究所 | Pop-up lens hood |
| CN103693214A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Large expandable sunshade cover mechanism applied to spacecraft |
| CN204719256U (en) * | 2015-05-27 | 2015-10-21 | 北京空间机电研究所 | The embedded outer light shield of a kind of ultrashort type |
| CN106773456A (en) * | 2016-12-09 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of deployable shading closure assembly |
| CN206351786U (en) * | 2016-12-28 | 2017-07-25 | 中国科学院长春光学精密机械与物理研究所 | One kind rotation unlocking type development mechanism |
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