CN106394854A - Intelligent cell type inflation rigid body structure - Google Patents

Intelligent cell type inflation rigid body structure Download PDF

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Publication number
CN106394854A
CN106394854A CN201610886675.XA CN201610886675A CN106394854A CN 106394854 A CN106394854 A CN 106394854A CN 201610886675 A CN201610886675 A CN 201610886675A CN 106394854 A CN106394854 A CN 106394854A
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air bag
rigid structure
air
pressure
inflation
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CN201610886675.XA
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Chinese (zh)
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郭鹏
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Individual
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Priority to CN201610886675.XA priority Critical patent/CN106394854A/en
Publication of CN106394854A publication Critical patent/CN106394854A/en
Priority to CN201710346080.XA priority patent/CN107117281A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64B—LIGHTER-THAN AIR AIRCRAFT
    • B64B1/00—Lighter-than-air aircraft
    • B64B1/06—Rigid airships; Semi-rigid airships
    • B64B1/14—Outer covering
    • B64B1/16—Outer covering rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64B—LIGHTER-THAN AIR AIRCRAFT
    • B64B1/00—Lighter-than-air aircraft
    • B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64B—LIGHTER-THAN AIR AIRCRAFT
    • B64B1/00—Lighter-than-air aircraft
    • B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
    • B64B1/62—Controlling gas pressure, heating, cooling, or discharging gas
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
    • E04H15/22—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure supported by air pressure inside the tent

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)

Abstract

The invention discloses an intelligent cell type inflation rigid body structure, in particular a method for forming a light-mass and pressure-resistance rigid body structure by arranging and combining multiple small airbags. A space inflation unfolding structure has such prominent advantages as small size, light weight, high reliability and low manufacturing cost; and along with appearance of such aviation equipment as large space antennas and solar sails with inflation pipes as force bearing frames in recent years, more and more attention is paid for the inflation unfolding structure. The novel inflation unfolding structure is designed by simulating a cell organization structure through a simulating mode; and a traditional inflation unfolding structure obtains more excellent mechanical properties by the finite element design.

Description

Intelligent cell type inflates rigid structure
Technical field
The invention belongs to field of aerospace technology, it is related to a kind of many air bags Multicarity inflatable deployment structure.Specifically It is a kind of method that will form a light overpressure resistant rigid structure after some small-sized air bag permutation and combination.
Background technology
Gas tube is also referred to as lightweight compression tube, film tube, space pipe, gas rib, inflation beam, air-supported membrane structure, inflating expanded knot Structure etc..Nowadays aerated materials are widely used in building structure and spacecraft structure field.
Gas tube（Inflated spatial expanded structure）There is small volume, lightweight, reliability is high, the low outstanding advantages of cost, Occur recently as air equipments such as the large space antenna using gas tube as load-bearing frame, solar sail, inflating expanded knot Structure is more and more paid attention to.
Inflated spatial expanded structure is not only applicable to Aero-Space, is also applied to build（As inflatable house, tent, bridge, Dam etc.）, advertisement（As shown the inflatable structure of huge vertically hung scroll）, artistic, military（If armoured pneumatic car, inflation radar dome Shade）Deng.But the current gas tube adopting adopts singulation structure mostly, and both whole gas tube was by single cavity structure composition. Although single cavity body structure is simple to manufacture, exist that poor reliability, stress structure be single, mechanical characteristics are difficult adjustment etc. and lack Fall into.Therefore, current ground manufactures and mostly adopts girder steel as support meanss during large-scale inflatable building thing, and inflatable structure is fixed on On girder steel, thus obtaining rigid support.
List of references：
[1] Zhang Lei. flexible membrane bar strengthens the load performance study of eyelid covering. master thesis. Harbin：Harbin industry is big Learn, 2013. [D]
[2] Wang Yiran. tether strengthens the analysis of inflatable structure load-carrying properties. master thesis. Harbin：Harbin industry is big Learn, 2013. [D]
[3] white jade star, Wang Shan. cable-membrane analysis nonlinear finite element looks for shape load whole process analysis. industrial building, 2008,38: 455-458. [J]
[4] Liu Yanzhu. multi rigid body system dynamics. Beijing：Higher Education Publishing House, 1987 [M]
[5] Xue Shouyi. plastoelasticity. Chinese building material industry publishing house, 2004. [M]
[6] Du Zhenyong, the load-bearing capacity analysis of inflation tubular construction. master thesis. Harbin：Harbin Institute of Technology, 2008.[D]
[7] Weng Zhiyuan, Wang Yuangong. elastic thin shell is theoretical. Higher Education Publishing House, 1986. [M]
[8] in peaceful, the load-bearing capacity analysis of inflation ring structure. master thesis. Harbin Institute of Technology, 2009 [D]
[9] Wei Jianzheng, space folding film tube inflating expanded process gas-solid coupled problem is studied. Ph.D. Dissertation. Harbin Polytechnical university, 2008 [D]
[10] Wei Jianzheng, Mao Lina, Du Xingwen, spatial crimp folded tube ventilating control launches dynamics research. engineering mechanics, 2009, 26(1):227-232[J]
[11] Xie Yaqi, the design of planar flexible deployable structure and expansion research. master thesis. Zhejiang University, 2013. [D].
Content of the invention
The invention discloses a kind of intellectuality cell type inflation rigid structure, specifically one kind is using many air bags compositions Similar cell organizational structure, adjusts the technology of inflatable structure stress characteristics by adjusting each inside air bag gas pressure intensity.
The development of current inflatable deployment structure is like a raging fire, and the present invention is gone out with reference to biological cell structure design in bionical mode A kind of intellectuality controllable inflation deployed configuration.It is known that organism interior tissue is made up of some cells.Outside is by thin Cell wall wraps up, and inside is then made up of Cell sap and nucleus.That wherein plays stress mainly has cell wall and Cell sap Two parts.If cytosol fractions lack, then tissue overall structure shows cushiony characteristic.If ICP strengthens, organize Structure overall flexibility and intensity are significantly increased.
According to above-mentioned principle, I designs a kind of intellectuality cell type inflatable structure.The present invention is made up of following each several part, Including intelligent control system 1, air bag 2, rod member 3, pressure reinforcing chip 4, drawstring 5, controllable outlet valve 6, sensor 7, air pump 8, Airway 9 forms.Intelligent control system 1 controls the opening and closing of controllable outlet valve 6 by wired or wireless device, and air pump 8 passes through Conduit 9 is pressurizeed to air bag 2 or is exitted.Each air bag 2 calculates its internal force under different pressure by Finite Dynamic Element Parameter, provides structural strength or required stress for whole air bag aggregation under the control of intelligent control system 1.Wherein air bag 2 structure can be spherical, cylindricality, arch, annular, triangle or other anomalistic objects, according to the demand under varying environment Can be designed that different shape structure, these special constructions can provide different stress effect after inflation（Fig. 1）.
Its workflow is as follows：
First, intelligent control system 1 controls the air bag 2 needing pressurization to open controllable outlet valve 6, and air pump 8 is carried out to airway 9 Pressurization,（The air bag 2 pressurizeing now is not needed not open controllable outlet valve 6）.Air pressure in sensor 7 real-time detection air bag 2, when Pressure parameter meets controllable outlet valve 6 when requiring and closes.Other need the corresponding controllable outlet valve of air bag 26 dozens of pressurization afterwards Open, proceed to pressurize.Disclosure satisfy that the different pressures demand of multiple air bags 2 using this timesharing pressuring method.Wherein pressurize Order should be high pressure after first low pressure.
Air pump 8 reverse operation when needing aerofluxuss, is in negative pressure in airway 9.Controllable outlet valve 6 is opened and can be completed air bag 2 exhaust work.
As shown in Figure 2, Figure 3, Figure 4, the gasbag-type column rigid structure being made up of many airbag structures has more stable firm Body characteristicses.Compared with traditional single-chamber airbag structure, it has certain fault-tolerance, and avoids the occurrence of because of gas in pressurized process Cyst wall gauffer build-up of pressure concentrates on the situation of airbag wall certain point.
As shown in figure 5, the pressure of the gasbag-type column rigid structure balloon outer being made up of many air bags can be with inner side air bag Interact, lateral pressure leads to central balloon post to obtain bigger longitudinal stress.Such as outside Fig. 5 air bag pressurization 1500 handkerchiefs, Inner side air bag pressurization 1000 handkerchiefs, outside air bag internal gas pressure leads to the stress concentration that inner side air bag pressure produces to arrive higher than inner side air bag Longitudinal axiss.In this case air bag can bear bigger longitudinal pressure as sub-truss.
If using more complicated air bag compound mode, it can produce more preferable pressure rigid body stress structure. If certain air bag occurs leakage only air pressure between adjacent air bag can be caused to reach a balance, without as single gas simultaneously Capsule is like that because gas leakage leads to airbag fails in air bag.
Intelligent control system 1 described in claim 3 is the brain of intelligent cell type rigid structure, using intelligent control The pressure balance between each air bag can be automatically controlled after all kinds of ambient parameter of system 1 integration processed.Between different bladder Pressure differential can allow whole inflation rigid structure obtain more preferably mechanical property.Meanwhile, using the pressure adjusting different bladder The profile of rigid structure can be adjusted within the specific limits.
Air bag 2 described in claim 4 is the elementary cell of intelligent cell type rigid structure, and each air bag 2 can be Different shape different size different structure.For example more firm mechanical property is had by the air bag that several trianglees form, if The rigid structure of the air bag composition of dry hexagonal structure is saved most using material, and the spherical envelope of several domes composition is resistance to Compressive Strength is higher, and the air bag of several column constructions composition can resist more longitudinal pressures.As long as passing through Finite element design meter Calculate air bag 2 inflation after mechanical characteristic it is possible to being inflated to air bag 2 as needed or exitting, make by air bag 2 form firm Body structure can embody specific mechanical property.
Rod member 3 described in claim 5, drawstring 5 are the supplemental partss in intelligent cell type rigid structure.Many times single The rigid structure of pure use air bag composition is not optimal structure, as the supplement to inflated type rigid structure, rod member 3, Drawstring 5 can play to air bag intensity and greatly supplement.According to [1,2] described in document Suo Shu, drawstring 5 plays pole in inflatable structure For important effect, the mechanical property of whole inflatable structure can be played with very big change.And the stress of rod member is most All show in number inflatable building structure, it will not go into details here.Can be substituted with rod member 3, drawstring 5 in certain special cases Barrier film between air bag and air bag, an air bag is changed into several air bags.Such as one gas tube, using drawstring in gas tube Middle part is fastened, and now an air bag will be divided into two air bags.Air bag and gas can be substituted with drawstring under specific circumstances Barrier film between capsule, plays, with single air bag, the partial efficacy that cell type inflates rigid body.
Pressure reinforced structure 4 described in claim 6 is the stress dispersion dress for air bag 2 and rod member 3, drawstring 5 interface point Put.After air bag 2 inflation, the pressure of gas all can assign to balloon surface, and rod member 3, drawstring 5 will necessarily with air bag 2 contact portion There is stress concentration.Cause air bag damaged after balloon surface certain point to prevent stress concentration and acting on, pressure reinforced structure 4 The stress of rod member 3, drawstring 5 can be distributed to larger range of balloon surface.
Controllable outlet valve 6 described in claim 7 is the aerofluxuss that can be voluntarily opened and closed under being controlled by intelligent control system 1 Valve.Its major function be connect or cut-out air bag 2 and pulsometer 8 between pipeline, indirect control air bag 2 inflated for deflated. Controllable outlet valve 6 may be mounted inside or outside air bag 2 it is also possible to be arranged on any position on airway 9.Controlled aerofluxuss Valve can be electromagnetic valve or common valve cock.If inflation rigid structure is long-term use, can be filled from electromagnetism Air valve.If inflation rigid structure can be inflated using common valve cock for the interim use of short-term.Electromagnetic inflation valve good Place be controlled, can long-term work.Common valve cock can be suitable for interim inflation rigid structure, and low cost is simple to operate.Using It is obtained in that a rigid structure having sufficiently large stress after common valve cock inflation, remove airway 9 after inflation gentle Press pump 8, air bag 2 still can work a period of time.This mode motility higher costs are lower, and construction preferably is provisional to fill Gas is built.
Sensor 7 described in claim 8 is a kind of detection device, and its Main Function is that the air pressure detecting within air bag 2 is big Little and air bag 2 deformed condition, and by the data transfer detecting to intelligent control system 1.In order to obtain preferable mechanical property Can, it is possible to may require that the gas being filled with different pressures in different air bags 2.Meanwhile, the length of airway 9 also can affect to inflate Efficiency.Therefore, the occasion accurately calculating stress is needed to be accomplished by sensor 7 to the air pressure in air bag 2 and deformed condition at some Detected.The air pressure of air bag 2 is adjusted after the data transfer detecting to intelligent control system 1 according to practical situation Whole, thus obtaining preferable mechanics effect.
Pulsometer 8 described in claim 9, airway 9 are the aerating devices of air bag 2, and wherein pulsometer 8 can provide inflation With venting function.Pulsometer 8, airway 9 can be integrated with air bag 2 it is also possible to be designed to bascule and in inflation After the completion of remove.The situation that pulsometer 8, airway 9 are integrated with air bag 2 is applied to the inflation rigid body knot of long-term work Structure, this class formation can be controlled using intelligent control system 1.Using activity between pulsometer 8, airway 9 and air bag 2 The design of structure is applied to interim inflatable building.When needing to set up this interim inflatable building, by pulsometer 8, airway 9 with Air bag 2 is connected and inflates successively.Remove pulsometer 8, airway 9 after the completion of inflation, stay the rigid structure of air bag 2 composition to support Inflatable building structural stability.This mode low cost, sets up simple.
Inflated type rigid structure described in claim 10 can adjust rigid body by way of changing the air pressure within air bag 2 The mechanical property of structure, can also change the profile of rigid structure in the mechanical property changing rigid structure simultaneously.With Fig. 5 it is Example, if left side inside air bag air pressure is 500 handkerchiefs in gas replenishment process, central balloon air pressure is 1000 handkerchiefs, and right side air bag pressure is 1500 handkerchiefs, then whole air bag post can lateral bend to the left, form domes.If the air pressure in the air bag of left side is adjusted to 1500 Handkerchief, and the air pressure in the air bag of right side is adjusted to 500 handkerchiefs, then whole air bag post can lateral bend to the right.In this way being capable of basis Need to adjust stress and the profile of rigid structure.
Brief description：
Corresponding numeral in accompanying drawing：Intelligent control system 1, air bag 2, rod member 3, pressure reinforcing chip 4, drawstring 5, controllable outlet valve 6th, sensor 7, air pump 8, airway 9.
Fig. 1 is intelligent cell type inflation rigid structure schematic diagram.Each air bag is relatively independent, each other by thin film phase Even.After being filled with gases at high pressure in part air bag, other air bags will produce a range of deformation.The deformation of air bag can make often The internal force of individual air bag influences each other, thus producing more complicated internal force system.Final effect is to embody special mechanical property Energy.
Fig. 2 is the vertical view planing surface figure of gasbag-type column rigid structure.Stress suffered by figure outermost layer air bag leads to airbag wall Fully deployed, and between inner balloon, mutually extruding leads to gasbag pressure to focus on axial direction.
Fig. 3 is the side-looking planing surface figure of gasbag-type column rigid structure.Different bladder air pressure inside difference leads to air bag stress Effect is different.This kind of air bag arrangement mode is the one of which that intelligent cell type inflates rigid structure, indeed according to not Can be designed that the inflation rigid structure of different arrangement modes with situation.
Fig. 4 is gasbag-type arch rigid structure side-looking planing surface figure.The stress effect that many airbag structures cause is than single air bag Structure is more preferable.
Fig. 5 is internal stress interaction schematic diagram after many airbag aerations, and outside gasbag pressure acts on inner side air bag side While leading to inner side air bag to obtain bigger longitudinal stress.
Specific embodiment：
The present invention is the lightweight rigid structure of specific use.In aerospace field, using intelligent cell type inflation rigid body knot Structure can be made lightweight support beam and can substitute traditional permanent type supporting construction.Because its deadweight is far below traditional rigid body supporting construction, The correlation circumstance relevant with vacuum airship can be applied to.Long-acting vacuum chamber（ZL 2015108178609）In structure, with this Bright making inflates the deadweight that truss can effectively reduce vacuum chamber, contributes to vacuum satellite and obtains more heavy－duty.Inflated type rigid body Structure can substitute the rigid structure of part aircraft interior, reduce aircraft deadweight, bring huge economic benefit.
Scheme 2：
Short-term low-priced edition lightweight rigid structure can be made using the principle of the invention.With the rigid body of many air bags composition for truss system Become Aerated tent to be obtained in that bigger structural strength, be adapted to worse environment, span can be built bigger Top dome structure.

Claims (10)

1. a kind of intellectuality cell type rigid structure, it is characterized by form a stereochemical structure using several air bags, with structure Mechanics designs the arrangement mode of air bag, with rod member, drawstring as supplement, controls the air pressure in each air bag with intellectualizing system, profit Led to air bag deformation and produced directivity stress with being filled with different air pressure in different bladder, thus produce to produce specific mechanics The light overpressure resistant rigid structure of effect.
2. intellectuality cell type rigid structure as claimed in claim 1 is by intelligent control system 1, air bag 2, rod member 3, pressure Reinforced structure 4, drawstring 5, controllable outlet valve 6, sensor 7, pulsometer 8, airway 9 form.
3. intelligent control system 1 as claimed in claim 2 is that one kind is passed through using computer parameter according to measured by sensor 7 Control controllable outlet valve 6, pulsometer 8 that air bag 2 is inflated or aerofluxuss system, its working method is by adjusting in air bag 2 The stress of air bag 2 is carried out collection neutralization superposition by the mode of portion's air pressure, so that the rigid structure being made up of air bag 2 is presented specific Mechanical property.
4. air bag 2 as claimed in claim 2 is the elementary cell of intelligent cell type rigid structure, and each air bag 2 can be Different shape different size different structure, by Finite element design and calculate air bag 2 inflation after mechanical characteristic, as needed Air bag 2 is inflated or exits, make the rigid structure being made up of air bag 2 embody specific mechanical property.
5. rod member 3 as claimed in claim 2, drawstring 5 are the supplemental partss in intelligent cell type rigid structure, in order to obtain spy Determine mechanics effect, the air bag 2 having specific mechanical structure can be moulded using rod member 3, drawstring 5, permissible in some cases Substitute the barrier film between air bag and air bag with rod member 3, drawstring 5, an air bag is divided into several air bags.
6. the function of pressure reinforced structure 4 as claimed in claim 2 is the stress for air bag 2 and rod member 3, drawstring 5 interface point Dispersal device, the pressure equalization of air bag 2 is to balloon surface, and rod member 3, drawstring 5 will necessarily occur stress with air bag 2 contact portion Concentrate, cause air bag damaged after balloon surface certain point to prevent rod member stress concentration and acting on, pressure reinforced structure 4 is permissible The stress of rod member 3, drawstring 5 is distributed to larger range of balloon surface.
7. controllable outlet valve 6 as claimed in claim 2 is the aerofluxuss that can be voluntarily opened and closed under being controlled by intelligent control system 1 Valve, its major function is pipeline, the inflation of indirect control air bag 2 or the aerofluxuss connecting or cutting off between air bag 2 and pulsometer 8, Controllable outlet valve 6 may be mounted inside or outside air bag 2 it is also possible to be arranged on any position of airway 9.
8. sensor 7 as claimed in claim 2 is a kind of detection device, and its Main Function is that the air pressure detecting within air bag 2 is big The little deformation situation with air bag 2, and by the data transfer detecting to intelligent control system 1.
9. pulsometer 8 as claimed in claim 2, airway 9 are the aerating and exhaust devices of air bag 2, and wherein pulsometer 8 can provide and fill Gas and venting function, pulsometer 8, airway 9 can be integrated with air bag 2 it is also possible to being designed to bascule and filling Remove after the completion of gas.
10. intellectuality cell type rigid structure as claimed in claim 1, it can be by changing the air pressure size within air bag 2 Mode adjust the mechanical property of rigid structure, rigid structure can also be changed in the mechanical property changing rigid structure simultaneously Profile.
CN201610886675.XA 2016-10-11 2016-10-11 Intelligent cell type inflation rigid body structure Pending CN106394854A (en)

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CN201710346080.XA CN107117281A (en) 2016-10-11 2017-05-17 Intelligent cell type inflates rigid structure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107054609A (en) * 2017-04-25 2017-08-18 哈尔滨工业大学 Modularization stratosphere floating island
CN107089315A (en) * 2017-04-25 2017-08-25 哈尔滨工业大学 Modularization floating island
CN107642272A (en) * 2017-09-28 2018-01-30 天津德亨自动化设备有限公司 A kind of inflatable building ceiling structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6648272B1 (en) * 2001-06-28 2003-11-18 Keith L. Kothmann Airship
US7185851B2 (en) * 2004-08-26 2007-03-06 Raytheon Co. Inflatable aerodynamic wing and method
CN103587674B (en) * 2012-08-13 2016-06-01 中国空间技术研究院 The air bag of a kind of dirigible with shape controlling skeleton
CN103909887A (en) * 2014-04-10 2014-07-09 上海应用技术学院 Intelligent car buffer air bag
CN105383677A (en) * 2015-11-24 2016-03-09 郭鹏 Long-acting vacuum chamber satellite

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107054609A (en) * 2017-04-25 2017-08-18 哈尔滨工业大学 Modularization stratosphere floating island
CN107089315A (en) * 2017-04-25 2017-08-25 哈尔滨工业大学 Modularization floating island
CN107089315B (en) * 2017-04-25 2019-05-03 哈尔滨工业大学 Modularization floating island
CN107054609B (en) * 2017-04-25 2019-06-04 哈尔滨工业大学 Modularization stratosphere floating island
CN107642272A (en) * 2017-09-28 2018-01-30 天津德亨自动化设备有限公司 A kind of inflatable building ceiling structure

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Application publication date: 20170215