CN109188649A - A kind of protective device of polygon bucket and space telescope eyeglass - Google Patents

A kind of protective device of polygon bucket and space telescope eyeglass Download PDF

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Publication number
CN109188649A
CN109188649A CN201811094520.8A CN201811094520A CN109188649A CN 109188649 A CN109188649 A CN 109188649A CN 201811094520 A CN201811094520 A CN 201811094520A CN 109188649 A CN109188649 A CN 109188649A
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China
Prior art keywords
eyeglass
bucket
polygon
liquid
protective device
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CN201811094520.8A
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CN109188649B (en
Inventor
张明
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Zhuhai Dali Aerospace Technology Co Ltd
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Zhuhai Dali Aerospace Technology Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
    • G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Astronomy & Astrophysics (AREA)
  • Sustainable Development (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Packages (AREA)
  • Eyeglasses (AREA)

Abstract

The protective device of a kind of polygon bucket and space telescope eyeglass, overload when rocket launching is 3-4G at present, is limited to overload when transmitting, the eyeglass of current space telescope, it is necessary to thicker, intensity is larger.The present invention provides a kind of filling liquid bucket, and the eyeglass of telescope is put into this bucket, and it is inverted hydraulic to bear acceleration using liquid and bucket, guarantees that eyeglass is not influenced by overload, will not deform.Using this technology, space can be accessed when emitting eyeglass and turns cable system, to reduce launch cost.The total quality of this telescope also much less adjusts posture in space and becomes easy much.

Description

A kind of protective device of polygon bucket and space telescope eyeglass
Technical field
The present invention relates to the protective devices of space telescope eyeglass, and in particular to a kind of polygon bucket and space telescope eyeglass Protective device.
Background technique
Currently, overload when rocket launching is 3~7G.In order to avoid transmitting when overload, prevent transmitting when eyeglass by Pressure caused by acceleration, deforms eyeglass, and space telescope is merely able to thicken eyeglass or adds rib, and when transmitting is necessary In addition bracket, to keep shape invariance.Bracket is thick, and total quality is big, at high cost.
The production precision of front lens surface is up to 100 nanometers.Eyeglass finish is very high, and cleaning process is cumbersome.Back lens surface There is rib.
The light harvesting area of Webb Telescope is 25m2, the quality of every square metre of eyeglass is 15kg or more, and is emitted When also need complicated bracket to support eyeglass so that eyeglass emits vertically, after weight support frame divides eyeglass, every square metre Up to 20kg or more.Future turns the transmitting of cable system using space, although the launch cost of Unit Weight is much smaller, space turns The overload of cable system is up to 20G or more, or bigger challenge occurs.Space telescope of the future diameter greater than 5 meters generally all can The small eyeglass of muti-piece is divided into using segmented mirror, that is, primary mirror, present most of small eyeglasses for being divided into regular hexagon.
Summary of the invention
The present invention is overloaded caused pressure to solve existing eyeglass, and eyeglass will appear deformation, eyeglass and bracket quality Big and at high cost problem provides the protective device of a kind of polygon bucket and space telescope eyeglass.It is utilized a kind of polygon Bucket bears the overload pressure of liquid, and the overload of eyeglass is offset using the incompressible feature of liquid.
Solve the problems, such as that this specific technical solution needs to utilize a kind of polygon bucket.Ladle body, bucket bottom, the bung of polygon bucket are transversal Face is polygon；There is a circular outer barrel except polygon bucket, there is filler between polygon bucket, outer barrel, filler is solid.
The size of polygon bucket is can just to be put into outer barrel.The shape of polygon bucket matching eyeglass, eyeglass is if it is just Rectangular then polygon bucket is also square, and polygon bucket is also regular hexagon if eyeglass regular hexagon, and polygon bucket is big It is small to put down eyeglass of setting aside concerns.Eyeglass majority is that therefore polygon bucket majority is hexagon to hexagon.The size of polygon bucket is rigid It can go in outer barrel well.Outer barrel, solid filler are used to bear the hydraulic of polygon bucket.
Further, outer barrel bottom is hemispherical, is packed into filler.
Further, there is a piston in polygon bucket, there is liquid between piston and bucket bottom, there is pipeline at bucket bottom.When being put into eyeglass It is to be put into eyeglass at bung hole, is put into eyeglass on one side, pipeline trickle pushes being put into eyeglass and piston moves down on one side.This Sample only needs to be placed at bung hole when to be put into eyeglass, and eyeglass otherwise must be put since bucket bottom, and it is more to expend the time.It is done with this Method is put into the speed of eyeglass quickly.
Further, there is heat insulation layer except polygon bucket, sheet rubber can be pasted as heat insulation layer.
Solve the problems, such as that the specific technical solution 1 of lens protection is as follows:
A kind of protective device stacking eyeglass using polygon bucket, using polygon bucket described in any of the above embodiments, polygon bucket With the form fit of the eyeglass delivered；The ladle body of polygon bucket has vertical dovetail groove；Each lens edge has a circle sealing ring； Eyeglass has the dovetail of protrusion, and the size of dovetail matches dovetail groove, and can move up and down in dovetail groove；Piston is located at mirror There is liquid in the lower section of piece between eyeglass in polygon bucket；Eyeglass has separation net up and down.
In polygon bucket each edge, there is 2-50 dovetail groove, accordingly eyeglass has the dovetail of identical quantity.Separation net is exactly Some filaments or belt keep apart two panels eyeglass up and down.
Be packed into eyeglass when, be be no air, only the liquid steam work chamber in, be often put into a piece of mirror Piece just injects a certain amount of liquid toward polygon bucket, so that top layer's eyeglass is liquid-immersed always.After being put into a piece of eyeglass, allow Gap of the liquid between sealing ring and polygon bucket flows out, in case the liquid under eyeglass is excessive.
Further, the liquid selective liquid hydrogen, because the density of liquid hydrogen is low.
Further, there can be pressure ring at the bung hole of polygon bucket, have spring on pressure ring, bung closes after filling eyeglass, Bung holddown spring, pressure ring and sealing ring.If can use bung without pressure ring and spring and directly compress sealing ring.
Further, sealing ring has an opening, is put into eyeglass at bung hole, is often put into one piece of eyeglass, opening outflow part After liquid, opening is blocked by plug, places into one layer of eyeglass.
Further, eyeglass has horizontal screw hole, and dovetail is connected to eyeglass by screw, screw hole.
In addition, liquid can choose alcohol, correspondingly solid filler can choose hydrogen peroxide.
Stack the protective device of eyeglass for second using polygon bucket, technology division is as follows:
Using polygon bucket described in any of the above embodiments.Eyeglass is loaded into bag film；Liquid, liquid are injected in bag film Volume be greater than every layer of eyeglass occupy void space；It is put into polygon bucket after bag film sealing.
Eyeglass is packed into bag film, is then injected into liquid toward bag film, and the amount of liquid is greater than the sky that every layer of eyeglass occupies Gap space, then sealed film bag, is then put into eyeglass in layers.
So-called void space calculating means are as follows: setting lens area is s, and occupying height is h, then occupied space is s*h, s* H subtracts the volume of all solid sections of eyeglass, is exactly void space.Void space is that rib, connector or other protrusions account for Space.
Bag film can use two bigger than eyeglass film, bond at lens edge, just at a sack.Either one The bag film of a opening is packed into eyeglass, then bonding opening.
The liquid is preferably liquid hydrogen.
The preferred polyimide plastic of the sealing ring, bag film.
The invention has the advantages that:
Liquid has Incoercibility, and using this characteristic, the volume of liquid hydrogen when transmitting between two pieces of eyeglasses will not contract Small, distance will not become smaller, and have separation net between two layers of eyeglass in addition, therefore will not squeeze between eyeglass, grind flower and deformation.Using Above-mentioned technology can use the very low space of launch cost in eyeglass emission process and turn cable system, so that launch cost is dropped It is low.Eyeglass can be made to thickness and there was only 1mm, and every square metre of weight only needs 1~4kg, reduce manufacture to a certain extent Cost.It is prior so that lens supports total weight reduce by 70% or more, space telescope total quality reduce by 20~50% with On.This telescope pose adjustment in space is much easier.In addition available liquid after solid filler fusing.Front institute Filler, the liquid stated can be used as rocket fuel, and space telescope is pushed to continue to become rail or stay in spare in space.The present invention Utilize liquid Incoercibility.Eyeglass can be quickly put into using apparatus of the present invention.And it is put into during eyeglass, sealing ring one It is directly compacted, reduces leakage.
Detailed description of the invention
Fig. 1 is the schematic diagram of polygon bucket, outer barrel, is horizontal section.
Fig. 2 is the schematic diagram of the plumb cut of polygon bucket, illustrates hemispherical bucket bottom, piston, pipeline.
Fig. 3 is the schematic diagram that polygon bucket has dovetail groove.
Fig. 4 is the schematic diagram that eyeglass is put into after polygon bucket, illustrates the spatial position of pressure ring, spring.
Fig. 5 is the schematic diagram of the plumb cut of sealing ring, not the schematic diagram of the section of dovetail；
Fig. 6 is the schematic diagram of the plumb cut of sealing ring, there is the schematic diagram of the section of dovetail.
Fig. 7 is sealing ring schematic diagram；
Fig. 8 is eyeglass and its dovetail schematic diagram；
Fig. 9 is the schematic diagram of eyeglass, liquid, bag film.
Wherein appended drawing reference, 1 is outer barrel；2 be polygon bucket；3 be filler；4 be dovetail groove；5 be dovetail；6 be liquid； 7 be eyeglass；8 be piston；9 be sealing ring；10 be hemispherical bucket bottom；13 be separation net；14 be pressure ring；15 be opening；17 be pipe Road；18 be screw；19 be bag film；20 be bung；21 be filler；22 be liquid.
Specific embodiment
Specific embodiment 1: a kind of polygon bucket of present embodiment, the ladle body of the polygon bucket 2, bucket bottom, 20 cross section of bung For polygon；There is a circular outer barrel 1 except polygon bucket 2, there is filler 3 between polygon bucket 2, outer barrel 1, filler 3 is solid Body.
The bottom of outer barrel uses hemispherical bucket bottom 10, is filled with liquid or solid substance 21 in hemispherical bucket bottom 10.
Specific embodiment 2: the difference of present embodiment and specific embodiment one is: polygon bucket is equipped with piston 8, There is liquid 6 between the bucket bottom and piston 8 of polygon bucket 2, polygon 2 bucket bottom of bucket has pipeline, can flow out between piston and bucket bottom Liquid 6.Other steps and parameter are identical as embodiment one.
Specific embodiment 3: the difference of present embodiment and specific embodiment one or two is: polygon bucket has insulation Layer.Other steps and parameter are identical as embodiment one or two.
Specific embodiment 4: a kind of protective device of space telescope eyeglass of present embodiment: using specific embodiment party The described in any item polygon buckets of formula 1 to 3, the form fit of polygon bucket 2 and the eyeglass 7 delivered；The ladle body of polygon bucket 2 has vertically Dovetail groove 4；There is a circle sealing ring 9 at each 7 edge of eyeglass；
Eyeglass 7 has a dovetail 5 of protrusion, and the size of dovetail 5 matches dovetail groove 4, and can in dovetail groove 4 on move down It is dynamic；
Piston 8 is located at the lower section of eyeglass 7, there is liquid 6 in polygon bucket between eyeglass 7；
Eyeglass has separation net 13 up and down.
Specific embodiment 5: the difference of present embodiment and specific embodiment four is: the liquid 6 is liquid Hydrogen.Other steps and parameter are identical as embodiment four.
Specific embodiment 6: the difference of present embodiment and specific embodiment four or five is: the bung hole of polygon bucket Place can have pressure ring 14, have spring on pressure ring, and bung 20 closes after filling eyeglass, bung holddown spring, pressure ring and sealing ring 9.Other steps and parameter are identical as embodiment four or five.
Specific embodiment 7: the difference of present embodiment and specific embodiment four, five or six is: sealing ring 9 has One opening 15, is put into eyeglass at bung hole, is often put into one piece of eyeglass 7, and after 15 outflow partially liqs 6 of opening, opening is blocked up by plug On, place into one layer of eyeglass.Other steps and parameter are identical as embodiment four, five or six.
Specific embodiment 8: the difference of present embodiment and specific embodiment five or six is: eyeglass 7 has horizontal Screw hole, dovetail are connected to eyeglass by screw 18, screw hole.Other steps and parameter are identical as embodiment five or six.
Specific embodiment 9: a kind of protective device of space telescope eyeglass of present embodiment, using specific embodiment party The described in any item polygon buckets of formula 1 to 3；
Eyeglass 7 is loaded into bag film 19；Liquid 22 is injected in bag film, the volume of liquid 22 is greater than every layer of eyeglass 7 The void space of occupancy；Bag film 19 is put into polygon bucket 2 after sealing.
Embodiment
Embodiment 1
A kind of polygon bucket, is made of polygon bucket, outer barrel, bung, filler.The interior diameter of outer barrel is 1.5m, is by thickness The aluminium alloy plate of 4mm is fabricated.Polygon bucket, outer barrel height be all 2.4 meters, wherein outer barrel height is not containing the hemisphere of bottom Shape.Polygon bucket is regular hexagon, is formed by the thin aluminum sheet of thickness 0.3mm.Polygon bucket, outer barrel connect, and polygon bucket can just It is put into inside outer barrel.Solid state hydrogen is filled between polygon bucket, outer barrel.There is bung at bung hole.
The bucket bottom of outer barrel is hemispherical, is filled with solid-state methane.Polygon bucket has a piston, the polygon bucket under piston It is interior, it is full of liquid hydrogen.All it is to be put into eyeglass at bung hole when being put into eyeglass, is put into eyeglass on one side, pipeline trickle pushes on one side It has been put into eyeglass and piston moves down.Sheet rubber is posted on the outside of polygon bucket, to reduce the heat transfer of filler Yu polygon bucket.
Embodiment 2
Using polygon bucket, polygon bucket therein is used to place the eyeglass of multilayer.The each edge of polygon bucket has 5 dovetail grooves, Eyeglass each edge has 5 dovetails.Liquid hydrogen is full of between eyeglass.Lens edge has sealing ring.Sealing ring has opening, to release liquid Hydrogen.
Every piece of eyeglass of telescope is regular hexagon, and thickness is 1mm, and catercorner length is 1.497m.Every piece of eyeglass Edge all encloses 1 circle sealing ring, and sealing ring width is 2cm, and thickness is 1mm.The height that every piece of eyeglass and sealing ring occupy is 3mm can be put into 800 eyeglasses, and the eyeglass gross area is up to 1100m^2, gross weight 2000kg.
Separation net is arranged at eyeglass bottom, and separation net is the parallel rubber covered wire of some diameter 0.2mm, every 0.2 meter one Rubber strip.Sealing ring has opening, and liquid is allowed faster to flow out.The dovetail of eyeglass is by screw connection lens edge.It is polygon There is pressure ring at the bung hole of bucket, there are 20 springs on pressure ring, to compress sealing ring.
Embodiment 3
Using polygon bucket, as different from Example 2, polygon bucket does not have dovetail groove.Solid-state is filled between polygon bucket, outer barrel Methane.Every piece of eyeglass in polygon bucket is fitted into bag film, and liquid methane is injected in bag film, is then laid flat into polygon In bucket.

Claims (10)

1. a kind of polygon bucket, it is characterised in that: the ladle body of polygon bucket (2), bucket bottom, bung (20) cross section are polygon；It is polygon There is a circular outer barrel (1) except bucket (2), has filler (3) between polygon bucket (2), outer barrel (1), filler (3) is solid Body.
2. polygon bucket according to claim 1, it is characterised in that: the bottom of outer barrel uses hemispherical bucket bottom (10), hemisphere Liquid or solid substance (21) are filled in shape bucket bottom (10).
3. polygon bucket according to claim 1 or 2, it is characterised in that: polygon bucket is equipped with piston (8), the bucket of polygon bucket (2) Have between bottom and piston (8) liquid (6), polygon bucket (2) bucket bottom has pipeline, can flow out the liquid between piston and bucket bottom (6)。
4. according to claim 1 to 2 described in any item polygon buckets, it is characterised in that: polygon bucket has heat insulation layer.
5. a kind of protective device of space telescope eyeglass, it is characterised in that: described in any item more using claims 1 to 4 Bian Tong, the form fit of polygon bucket (2) and the eyeglass (7) delivered；The ladle body of polygon bucket (2) has vertical dovetail groove (4)；Often There is a circle sealing ring (9) at a eyeglass (7) edge；
Eyeglass (7) has the dovetail (5) of protrusion, and the size of dovetail (5) matches dovetail groove (4), and can be inner in dovetail groove (4) It moves up and down；
Piston (8) is located at the lower section of eyeglass (7), has liquid (6) between eyeglass (7) in polygon bucket；
Eyeglass has separation net (13) up and down.
6. the protective device of space telescope eyeglass according to claim 5, it is characterised in that: the liquid (6) is Liquid hydrogen.
7. according to the protective device of the described in any item space telescope eyeglasses of claim 5 or 6, it is characterised in that: polygon bucket Bung hole at can have pressure ring (14), have spring on pressure ring, bung (20) closes after filling eyeglass, bung holddown spring, pressure Ring and sealing ring (9).
8. according to the protective device of the described in any item space telescope eyeglasses of claim 5 or 6, it is characterised in that: sealing ring (9) there is an opening (15), be put into eyeglass at bung hole, be often put into one piece of eyeglass (7), after opening (15) outflow partially liq (6), Opening is blocked by plug, places into one layer of eyeglass.
9. according to the protective device of the described in any item space telescope eyeglasses of claim 5 or 6, it is characterised in that: eyeglass (7) There is horizontal screw hole, dovetail is connected to eyeglass by screw (18), screw hole.
10. a kind of protective device of space telescope eyeglass, it is characterised in that: described in any item more using claims 1 to 4 Bian Tong；
Eyeglass (7) is loaded into bag film (19)；Liquid (22) are injected in bag film, the volume of liquid (22) is greater than every layer of mirror The void space that piece (7) occupies；It is put into polygon bucket (2) after bag film (19) sealing.
CN201811094520.8A 2018-09-19 2018-09-19 Protective device for polygonal barrel and space telescope lens Active CN109188649B (en)

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CN109188649B CN109188649B (en) 2021-07-02

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