CN106494650B - A kind of reentry vehicle using liquid evaporation inflatable - Google Patents

A kind of reentry vehicle using liquid evaporation inflatable Download PDF

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Publication number
CN106494650B
CN106494650B CN201611031675.8A CN201611031675A CN106494650B CN 106494650 B CN106494650 B CN 106494650B CN 201611031675 A CN201611031675 A CN 201611031675A CN 106494650 B CN106494650 B CN 106494650B
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CN
China
Prior art keywords
inflatable
reentry vehicle
kind
liquid
component
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CN201611031675.8A
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Chinese (zh)
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CN106494650A (en
Inventor
孟瑶
宣建强
潘雷
韩艳
吴军
毛闵军
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上海宇航系统工程研究所
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64GCOSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00Cosmonautic vehicles
    • B64G1/22Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/62Systems for re-entry into the earth's atmosphere; Retarding or landing devices

Abstract

The invention discloses a kind of reentry vehicles using liquid evaporation inflatable, including inflatable re-entry deceleration system, the inflatable re-entry deceleration system includes inflating expanded mechanism, inflatable component and fluid infusion component, during downlink, gas and liquid are filled with inflatable deployment structure by inflatable component, using aircraft thermal environment experienced by liquid gasification, makes the inside and outside there are certain pressure difference of inflatable deployment structure, guarantee that inflation re-entry deceleration system has enough rigidity.Reentry vehicle structure of the invention is simple, it is easy to operate, high reliablity, it is easily achieved and downlink cargo breaks the whole up into parts, flexibility is substantially increased, while gas cylinder of the invention is small in size, light-weight, improves the carrying capacity of reentry vehicle goods and materials downlink, downlink procedure division heat has been taken away simultaneously, reduces thermal control pressure.

Description

A kind of reentry vehicle using liquid evaporation inflatable

Technical field

The invention belongs to space station goods and materials downlink fields, are related to a kind of cargo downlink skill that inflation is realized using liquid evaporation Art, in particular to a kind of reentry vehicle using liquid evaporation inflatable.

Background technique

It needs the goods and materials such as payload returning to ground during the operation of Chinese Space station.NASA statistics, international space station goods Object downlink ability accounts for about the 20% of total uplink quality.According to space station mission planning, during space station is runed, goods and materials downlink total amount No less than 6t, only manned spaceship has downlink ability to China's aircraft at present, and the downlink ability of Shenzhou airship is only 50- 100kg, and return capsule space is smaller, is unable to satisfy the demand of space station operation.At the same time, downlink goods and materials in space station are mainly Microorganism, biopsy sample etc., downlink requirement of real-time is high, and conventional downstream aircraft is unable to satisfy demand.It is reentered using inflatable Aircraft can not only be such that Chinese Space station downlink ability greatly enhances, while can effectively improve the timeliness of downlink, effectively The scientific research for promoting Chinese Space station.

Inflatable re-entry vehicle has the characteristics that light-weight, foldable, resistant to high temperature.At the end of the 20th century, with light flexible The breakthrough of heat-resisting material technology, the states such as the U.S., Russia, which have been directed to inflation and have reentered, has carried out a large amount of research.It is most representative Be the U.S. Inflatable re-entry vehicle (IRV), up to now until, IRV has carried out the test of 3 inflatable ablated configurations altogether (IRVE): in August, 2009, IRVE-2 succeed, and flying height reaches 211km.In July, 2012, IRVE-3 launch, flight Height reaches 451km.IRVE test has accumulated a large amount of in-orbit flying quality, and strong first-hand data is provided for follow-up study. After IRVE series flight test, NASA plan tests (HEART) project by high energy Reentry, test more big load Atmosphere enters landing technology, 3.3 tons of payload is verified under the inflating protection cover protection of diameter about 8.5m, with about 7km/s speed Degree reenters the flight progress of earth atmosphere.Under the cooperation of European Space Agency, Russian inflatable reenters recovery technology (IRDT) it is also put to flight practice in the world.

Ye Zhengyin, Zhang Qing et al. disclosed in the patent application of 104986358 A of CN it is a kind of increase steady inflatable reenter it is winged Row device.Outer uniformly distributed there are four inflatable rudder face in the cover that slows down, which solves during downlink, existing space flight recovery technology Present in return capsule irregular fluctuation caused by the interference of unsteady vortex the problem of.But since aircraft gas consumption is larger, So necessarily will increase the volume and weight of gas cylinder accordingly, downlink ability is influenced.

Wei Jianzheng, Tan Huifeng et al. disclose the inflating expanded starting damping of one kind in the patent of 104290921 A of CN and subtract Fast structure, the deceleration during being reentered using rigid bulb and flexible inflatable structure common guarantee, reach establish it is better The purpose of thermal environment, but the structure of the patent is complex, and developed area is big, aeration quantity is big, cause gas cylinder volume also compared with Greatly, the space of aircraft storage load is influenced.

Existing inflation reentry vehicle is realized in such a way that gas cylinder carries gas, if inflating during downlink The inflation of deployed configuration and tonifying Qi use cylinder gas, then it is larger to inevitably result in gas cylinder volume, have compressed storage downlink object The space of money;Furthermore the weight of gas cylinder can also increase therewith, influence the ability of aircraft goods and materials downlink to a certain extent.

Summary of the invention

The present invention provides a kind of reentry vehicle using liquid evaporation inflatable, real by the way that one group of fluid infusion component is arranged The mode of current liquid substitution portion gas inflation, using reentry vehicle downlink process thermal environment experienced by liquid gas Change, realize the tonifying Qi of downlink process, gas cylinder volume present in existing inflation reentry vehicle is larger, weight is again etc. scarce to solve It falls into, improves the carrying capacity of reentry vehicle goods and materials downlink.

Technical scheme is as follows:

A kind of reentry vehicle using liquid evaporation inflatable, including inflatable re-entry deceleration system, the inflation Formula re-entry deceleration system includes inflating expanded mechanism, inflatable component and fluid infusion component, and one end of the inflatable component successively leads to Solenoid valve 10, threeway the first loading line of connection, realization and the inflating expanded mechanism connection are crossed, the inflatable component The other end connects the realization of the second loading line by solenoid valve 11 and is connected to one end of the fluid infusion component, the fluid infusion group The other end of part passes sequentially through the first loading line described in replenishing line, the threeway connection, realizes and the inflation The liquid of the fluid infusion component is filled with described fill using the pressure of the gas of the inflatable component by unfolding mechanism connection Gas unfolding mechanism.

Further preferably the inflatable component is a gas cylinder, and the gas cylinder is aluminium alloy inner container, carbon fiber packet It covers.

Further preferably the fluid infusion component is an annular liquid bottle, and the annular liquid bottle is surrounded on the gas The outside of bottle.

Further preferably the annular liquid bottle is aluminium alloy inner container, and carbon fiber coats.

Further preferably the annular liquid bottle is designed using excipient, and the structure of the annular liquid bottle is diaphragm storage Box structure.

Further preferred, the inflatable re-entry deceleration system further includes collector, the inflating expanded mechanism It is placed in the collector, the side of the annular liquid bottle is arranged in the collector.

Further preferred, the reentry vehicle further includes cargo compartment and service module, and the inflatable, which reenters, to be subtracted Speed system is mounted on the front end of the cargo compartment, and the service module is mounted on the tail portion of the cargo compartment.

Further preferably the reentry vehicle further includes solar heat protection covering, the solar heat protection covering ecto-entad point It is not made of refractory layer, thermal insulation layer and inner liner, the inflatable deployment structure outer surface is arranged in the solar heat protection covering Windward side.

Further preferably the inflating expanded mechanism is made of 9 inflation annulus, is in back taper.

Further preferably the gas in the gas cylinder is helium, and the liquid in the annular liquid bottle is water.

Compared with prior art, beneficial effects of the present invention are as follows:

A kind of reentry vehicle using liquid evaporation inflatable first, of the invention, which uses, " concentrates uplink, under on-demand The mentality of designing of row ", solves the problems, such as Chinese Space station downlink scarce capacity, while having broken traditional uplink and downlink and having corresponded Relationship, downlink cargo is broken the whole up into parts, flexibility is substantially increased;

A kind of reentry vehicle using liquid evaporation inflatable 2nd, of the invention substitutes part gas by using liquid The mode of body inflation realizes the tonifying Qi of downlink process using reentry vehicle downlink process thermal environment experienced by liquid gasification, Have many advantages, such as gas cylinder small volume, light-weight, improve the carrying capacity of reentry vehicle goods and materials downlink, while under having taken away The partial heat of row process reduces thermal control pressure;

A kind of structure of reentry vehicle using liquid evaporation inflatable 3rd, of the invention is simple, easy to operate, can By property height, original Inflatable re-entry vehicle is changed smaller, it is easy to accomplish.

Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.

Detailed description of the invention

Fig. 1 is the structural schematic diagram after a kind of reentry vehicle expansion using liquid evaporation inflatable of the invention;

Fig. 2 is the top view after a kind of reentry vehicle expansion using liquid evaporation inflatable of the invention;

Fig. 3 is the structural schematic diagram before a kind of reentry vehicle expansion using liquid evaporation inflatable of the invention;

Fig. 4 is a kind of structural representation of the inflatable component of reentry vehicle using liquid evaporation inflatable of the invention Figure;

Fig. 5 is a kind of structural representation of the fluid infusion component of reentry vehicle using liquid evaporation inflatable of the invention Figure;

Fig. 6 is the inflatable component and fluid infusion component group of a kind of reentry vehicle using liquid evaporation inflatable of the invention Structural schematic diagram after dress;

Fig. 7 is the inflatable component and fluid infusion component group of a kind of reentry vehicle using liquid evaporation inflatable of the invention Top view after dress;

Fig. 8 is that a kind of different-diameter of reentry vehicle using liquid evaporation inflatable of the invention inflates filling for annulus Design of gas system figure.

Specific embodiment

Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate this hair It is bright, rather than limit the scope of protection of the present invention.What those skilled in the art made according to the present invention in practical applications changes Into and adjustment, still fall within protection scope of the present invention.

In order to better illustrate the present invention, the present invention is described in detail below with attached drawing.

As shown in figure 3, a kind of reentry vehicle using liquid evaporation inflatable of the invention, including inflatable reenter and subtract Speed system 23, cargo compartment 19 and service module 20, the inflatable re-entry deceleration system 23 are mounted on the cargo compartment 19 Front end, the service module 20 are mounted on the tail portion of the cargo compartment 19.Referring to Figure 1, the inflatable re-entry deceleration System 23 include inflating expanded mechanism 12, inflatable component 13, fluid infusion component 14 and collector 18, the one of the inflatable component 13 End passes sequentially through solenoid valve 10, threeway 15 connects the first loading line 16 (such as Fig. 3, Fig. 4), realizes and the inflating expanded machine Structure 12 is connected to;The other end of the inflatable component 13 connects the second loading line 17 by solenoid valve 11, realizes and described One end of fluid infusion component 14 is connected to;The other end of the fluid infusion component 14 passes sequentially through replenishing line 21, the threeway 15 Connection first loading line 16 (such as Fig. 4, Fig. 5 and Fig. 6), realization is connected to the inflating expanded mechanism 12, described Inflating expanded mechanism 12 be placed in the collector 18, the side of the fluid infusion component 14 is arranged in the collector 18 Side, shown in FIG. 1 is the expanded view of reentry vehicle of the invention, and the inflatable deployment structure 12 is in back taper, and setting exists The front end of the cargo compartment 19, and be unfolded with hexagonal angle to 19 direction of cargo compartment;It is shown in Fig. 2 be it is of the invention again State diagram before entering the expansion of aircraft, i.e. rounding state figure.Reentry vehicle of the invention is mainly space station cargo downlink Service, in order to guarantee its passability in space station, its total length need to be designed as out of space station to release is realized out of my cabin 1000mm, wherein the diameter of inflatable re-entry deceleration system 23 is Φ 680mm, length 300mm;The diameter of cargo compartment 19 is Φ 600mm, length 350mm;The diameter of service module 20 is Φ 600mm, length 300mm.

As shown in Fig. 4, Fig. 6 and Fig. 7, the inflatable component 13 is a gas cylinder, and the gas cylinder is in 2mm aluminium alloy Gallbladder, the structure of 4mm carbon fiber cladding, volume 10L, outer diameter are Φ 264mm, and total high 240mm, 13 gas of gas cylinder is full of Internal pressure afterwards is 30MPa.The spherical crown both ends of gas cylinder 13 are each configured with solenoid valve 10 and solenoid valve 11, and one end of gas cylinder 13 is successively The first loading line 16 is connected by solenoid valve 10, threeway 15, realization is connected to the inflating expanded mechanism 12;Gas cylinder 13 The other end connects the second loading line 17 by solenoid valve 11, and realization is connected to one end of the fluid infusion component 14.

As shown in Fig. 5, Fig. 6 and Fig. 7, the fluid infusion component 14 is an annular liquid bottle, and the annular liquid bottle 14 is surround In the outside of the gas cylinder 13, the annular liquid bottle 14 is that 0.5mm aluminium alloy inner container and 1mm carbon fiber coat, and volume is 2.6L (considers 10% surplus), and annular liquid bottle 14 is designed using excipient, is placed on the outside of the gas cylinder 13, outer diameter Φ 296mm, total high 240mm.In the present embodiment, one end of the annular liquid bottle 14 passes through the second loading line 17, realization and gas The other end connection of bottle 13, while the other end of the annular liquid bottle 14 passes sequentially through replenishing line 21, the threeway 15 connects First loading line 16, realization are connected to the inflating expanded mechanism 12.The structure of annular liquid bottle 14 is diaphragm storage Box structure, pushes diaphragm using the residual voltage of gas cylinder 13 after inflation, and liquid is pressed by replenishing line 21, the first loading line 16 Inflatable deployment structure 12 realizes that liquid is added.

The reentry vehicle further includes solar heat protection covering 22, and 22 ecto-entad of solar heat protection covering is respectively by heat-resisting 12 outer surface of inflatable deployment structure is arranged in windward in layer, thermal insulation layer and inner liner composition, the solar heat protection covering 22 Side.Refractory layer uses two layers of ceramic alumina fiber cloth, and surface coats SiC micro mist;Thermal insulation layer windward side uses two layers of SiO2Silicon Aeroge, leeward side use three layers of PI aeroge, and inner liner uses two layers of Kapton film, centre folder plus kevlar fabric.

The inflating expanded mechanism 12 is made of 9 inflation annulus, is in back taper, and the diameter of each ring cross-section is Φ 380mm.Mutually independent scheme is used between different annular, using the inflation strategy of the four-way synchronous expansion of ecto-entad, no On the other hand the reliability that on the one hand can guarantee inflatable deployment structure 12 with the mutually independent design of annulus is conducive to improve and fill The quantitative control ability of tolerance and amount infused.

Gas in the gas cylinder 13 is helium, and also can choose other has the characteristics that nontoxic, safe gas;Institute The liquid in annular liquid bottle 14 stated is water, and also can choose other has the characteristics that safe and nontoxic, low boiling point and freezing point are low Solvent.

As shown in figure 8, reentry vehicle of the invention realizes that the different-diameter of expansion inflates annulus using liquid evaporation Inflation system design, in the initial state, solenoid valve 1-11 is all in closed state, when needs pair for reentry vehicle of the invention When inflatable deployment structure 12 is inflated, solenoid valve 1 is set on state first, solenoid valve 10, which is set on the period, is The state of 100ms is quantitatively inflated from inflatable component 13 into CV1, by controlling the on-off times of solenoid valve 10 when the gas of CV1 When pressure reaches predetermined value, solenoid valve 1 is closed;Then solenoid valve 2 is opened, when the air pressure of CV2 also reaches predetermined value, closes electromagnetism Valve 2;Continue ibid to operate, until the air pressure in CV9 also reaches predetermined value, at this point, closing all solenoid valves;Then, electricity is opened Magnet valve 11 makes water full of pipeline, and successively carries out liquid quantitative to CV1-CV9 and add.

The operating process of reentry vehicle ablated configuration in order to better understand the present invention, the following contents will carry out it It is simple to introduce, to help skilled in the art to understand the contents of the present invention.Firstly, reentry vehicle is released from space station It puts, after it enters reentry trajectory, issues instruction unpack solenoid valve and inflatable deployment structure 12 is inflated, after the completion of inflation, Guarantee that the internal pressure of inflatable deployment structure 12 is not less than 0.05MPa.After the completion of inflation, whole solenoid valves are closed, are sent out to solenoid valve 11 Open command out guarantees that inflatable component 13 is connected to the realization of fluid infusion component 14, by the residual voltage in inflatable component by water full of benefit Liquid pipeline 21, the first loading line 16.Solenoid valve 1 is set on the state that the period is 10ms first, utilizes helium gas cylinder Residual voltage (be not less than 0.7MPa) the indentation CV1 that quantifies water in, realize water by controlling the opening times of solenoid valve Control closes solenoid valve 1 after water reaches requirement;Continue ibid to operate until CV2-CV9 to be injected to the water of requirement. To guarantee that 12 rigid requirements of inflatable deployment structure, inside and outside differential pressure need to be not less than 0.1MPa, during downlink, pass through using aircraft The thermal environment gone through will be water, can reach each independent inflatable annulus ftercompction to inflatable deployment structure 12 to being not less than 0.2MPa Target.The present invention, by liquid gasification, realizes the tonifying Qi of downlink process using downlink heat.On the one hand reduce to inflatable component body The requirement of product, quality, provides more spaces and quality for downlink load;On the other hand downlink procedure division heat is taken away, subtracted Few thermal control pressure.

Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (10)

1. a kind of reentry vehicle using liquid evaporation inflatable, including inflatable re-entry deceleration system, which is characterized in that institute The inflatable re-entry deceleration system stated includes inflating expanded mechanism, inflatable component and fluid infusion component, and the one of the inflatable component End passes sequentially through solenoid valve 10, threeway connects the first loading line, and realization and the inflating expanded mechanism connection, described fills The other end of pneumatic module connects the realization of the second loading line by solenoid valve 11 and is connected to one end of the fluid infusion component, described The other end of fluid infusion component pass sequentially through replenishing line, described threeway connection first loading line, realize and institute The liquid of the fluid infusion component is filled with by the inflating expanded mechanism connection stated using the pressure of the gas of the inflatable component The inflating expanded mechanism.
2. a kind of reentry vehicle using liquid evaporation inflatable according to claim 1, which is characterized in that described Inflatable component is a gas cylinder, and the gas cylinder is aluminium alloy inner container, carbon fiber cladding.
3. a kind of reentry vehicle using liquid evaporation inflatable according to claim 2, which is characterized in that described Fluid infusion component is an annular liquid bottle, and the annular liquid bottle is surrounded on the outside of the gas cylinder.
4. a kind of reentry vehicle using liquid evaporation inflatable according to claim 3, which is characterized in that described Annular liquid bottle is aluminium alloy inner container, carbon fiber cladding.
5. a kind of reentry vehicle using liquid evaporation inflatable according to claim 3, which is characterized in that described Annular liquid bottle is designed using excipient, and the structure of the annular liquid bottle is diaphragm tank arrangement.
6. a kind of reentry vehicle using liquid evaporation inflatable according to claim 3, which is characterized in that described Inflatable re-entry deceleration system further includes collector, and the inflating expanded mechanism is placed in the collector, the receipts Device of receiving is arranged on the side of the annular liquid bottle.
7. a kind of reentry vehicle using liquid evaporation inflatable according to claim 1, which is characterized in that described Reentry vehicle further includes cargo compartment and service module, before the inflatable re-entry deceleration system is mounted on the cargo compartment End, the service module are mounted on the tail portion of the cargo compartment.
8. a kind of reentry vehicle using liquid evaporation inflatable according to claim 1, which is characterized in that described Reentry vehicle further includes solar heat protection covering, and the solar heat protection covering ecto-entad is respectively by refractory layer, thermal insulation layer and inner liner group At the windward side of the inflatable deployment structure outer surface is arranged in the solar heat protection covering.
9. a kind of reentry vehicle using liquid evaporation inflatable according to claim 1, which is characterized in that described Inflating expanded mechanism is made of 9 inflation annulus, is in back taper.
10. a kind of reentry vehicle using liquid evaporation inflatable according to claim 3, which is characterized in that described Gas cylinder in gas be helium, the liquid in the annular liquid bottle is water.
CN201611031675.8A 2016-11-18 2016-11-18 A kind of reentry vehicle using liquid evaporation inflatable CN106494650B (en)

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CN108128483A (en) * 2017-12-07 2018-06-08 北京空间技术研制试验中心 Space station goods and materials downlink aircraft
CN109455318A (en) * 2018-10-11 2019-03-12 北京空间机电研究所 A kind of gas-filled unfolded re-entry deceleration system

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CN101445155A (en) * 2007-11-27 2009-06-03 唐辉 Steam aeroboat
US7770924B2 (en) * 2008-07-17 2010-08-10 Autoliv Asp, Inc. Liquid cooled hybrid
CN202717036U (en) * 2012-07-10 2013-02-06 西北工业大学 Reentry inflation cover
CN102730203B (en) * 2012-07-10 2014-09-03 西北工业大学 Reentry inflation cover with controllable direction
CN104290921B (en) * 2014-09-11 2017-09-19 哈尔滨工业大学 A kind of inflating expanded air damping reducer structure
FR3027283B1 (en) * 2014-10-15 2018-04-27 Centre Nationale d'Etudes Spatiales Ionospheric balloon and ionospheric balloon empty system
CN104986358B (en) * 2015-06-24 2017-01-04 西北工业大学 The steady Inflatable re-entry vehicle of a kind of increasing
CN105173121B (en) * 2015-09-22 2017-01-25 哈尔滨工业大学 Double-helix inflatable deployment type spinning-stability reduction aircraft
CN106114916B (en) * 2016-08-12 2018-06-08 哈尔滨工业大学 A kind of inflating expanded periodical capsule flap-type retarder and its curling fold gathering method

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