CN104309820B - A kind of space station drinking water Long-term Storage Water case - Google Patents

A kind of space station drinking water Long-term Storage Water case Download PDF

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Publication number
CN104309820B
CN104309820B CN201410559467.XA CN201410559467A CN104309820B CN 104309820 B CN104309820 B CN 104309820B CN 201410559467 A CN201410559467 A CN 201410559467A CN 104309820 B CN104309820 B CN 104309820B
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internal
cap
cover
housing
type circle
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CN201410559467.XA
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Chinese (zh)
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CN104309820A (en
Inventor
刘锦涛
周成
李永
庄保堂
冯春兰
潘海林
姚灿
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北京控制工程研究所
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    • Y02W30/807

Abstract

The invention discloses a kind of space station drinking water Long-term Storage Water case, comprise wing nut (1), tight lock screw rod (2), pin (3), gas port joint (4), bolt (5), handle (6), internal end cover (7), internal end cover and outer end cap sealing O type circle (8), outer end cap (9), outer end cap and housing seal O type circle (10), housing (11), capsula interna (12), gas port joint sealing O type circle (13), steel-wire screw-socket (14), the first liquid road disconnecting device (15), the second liquid road disconnecting device (19) He Ye road disconnecting device sealing O type circle (16), the material of housing and outer end cap is metal, described capsula interna (12) adopts nine layers of composite film material to make. this cisten mechanism is simple, can bear higher operating pressure, has detachable function, good with the compatibility of water, has extremely strong gas barrier properties, and air-tightness is high, can repeatedly use, and long service life, has two kinds of interior media extrusion ways.

Description

A kind of space station drinking water Long-term Storage Water case

Technical field

The present invention relates to a kind of space station drinking water Long-term Storage Water case.

Background technology

The general water tank in space station is that space station environment control and life keep the general water storage of subsystem (ECLSS) to holdDevice, in water tank, the medium of storage or contact comprises the spacefarer's drinking water, condensed water, the urine place that add silver ionUltra-pure water after reason device purifies etc. Therefore, except meeting leak rate index, the discharge effect of general water tank containerOutside rate index, outside the specific function of the general water tank in space station is required, also need to meet with above-mentioned mediumCompatibility test requirement, other requirements such as high reliability request and in-orbit use.

The water tank using on international space station is mainly taking CWC water tank as main, this water tank adopt fiber cloth as outsideCapsule protective sleeve, the suture uniformity of external capsule protective sleeve be difficult to ensure and external capsule processing dimension due to fiber cloth materialMaterial can stretch, external capsule processing dimension bigger error; Fiber cloth external capsule is as main pressure-containing member, fibre in additionThe warp-wise of dimension cloth is different with broadwise stress, causes water tank to be difficult to bear higher pressure. When in space stationWhen extreme case appears in portion, for example, in the time of vacuum state, water tank needs the minimum pressure that bears 100kPa,Add water tank interior own with pressure, water tank inside and outside differential pressure is too large, and water tank is difficult to safely ensure. CWC water in additionCase water inlet and delivery port are same, once when water tank inside in filling process exists gas, gas willBe difficult to discharge harm water tank safety. CWC water tank capsula interna and external capsule part do not have fixture, and capsula interna is in water fillingInconsistent phenomenon easily occurs in process causes water tank water filling interface to misplace.

Existing space station water tank is difficult to bear higher operating pressure, in space station extreme case (vacuum)Under be difficult to ensure reliability. Space station water tank adopts metal parts directly to contact with water more, and metal parts can be withDrinking water generation chemical reaction, causes water quality to change, and is difficult to ensure compatible for a long time. The row of CWC water tank in additionLiquid mode is more single, and the mode that can only adopt pump to take out is discharged liquid.

Summary of the invention

Technical problem to be solved by this invention is: a kind of space station drinking water Long-term Storage Water case is provided, and shouldCisten mechanism is simple, can bear higher operating pressure, has detachable function, good with the compatibility of water,Have extremely strong gas barrier properties, air-tightness is high, can repeatedly use, and long service life, has two kindsInterior media extrusion way.

The present invention includes following technical scheme:

A kind of space station drinking water Long-term Storage Water case, comprises wing nut, tightly locks screw rod, pin, gas portJoint, bolt, handle, internal end cover, internal end cover and outer end cap sealing O type circle, outer end cap, outer end cap andBreak in housing seal O type circle, housing, capsula interna, gas port joint sealing O type circle, steel-wire screw-socket, the first liquid roadConnect device, the second liquid road disconnecting Qi Heye road disconnecting device sealing O type circle; Housing is taper, housing and outer end capMaterial be metal; The material of internal end cover is nonmetal; Described capsula interna adopts nine layers of composite film material to make;

Capsula interna is the software that upper surface has opening, and capsula interna is positioned at housing, the upper surface of capsula interna and internal end coverLower surface weld together by heat seal process heat seal; Internal end cover and outer end cap sealing O type circle embed innerThe upper surface of lid, steel-wire screw-socket embeds in internal end cover, and internal end cover and outer end cap sealing O type circle are positioned at steel wire spiral shellCover outside, coordinates through after outer end cap bolt with the steel-wire screw-socket in internal end cover, thereby makes internal end cover with outerEnd cap is fixed together; Outer end cap and housing seal O type circle embed in housing, and outer end cap and housing adopt butterflyShape nut, tightly lock screw rod and pin is fixed together, and realize by outer end cap and housing seal O type circleTank seal; Gas port joint is fixed on outer end cap, and adopts gas port joint sealing O type circle to realize sealing;The first liquid road disconnecting device, the second liquid road disconnecting device are fixed in internal end cover through after outer end cap, and the second liquid road is disconnectedConnect device is positioned at capsula interna described opening top as water filling port, the first liquid road disconnecting device is positioned at as delivery portThe described opening top of capsule; Between Liang Geye road disconnecting device and internal end cover, seal O type circle by liquid road disconnecting deviceRealize sealing; Handle is arranged on outer end cap; Capsula interna outer surface, internal end cover side are adjacent with shell inner surfacePart has the first gap, has and between first between the outermost upper surface of internal end cover and outer end cap lower surfaceThe second gap that gap is communicated with; Gas port joint can be realized above-mentioned the first gap and the outside UNICOM of water tank.

Internal end cover adopts polythene material to make.

The weld seam of heat seal welding is not less than 5mm at internal end cover width radially, adopts twice heat seal weld seam.

Described capsula interna and heat seal place of internal end cover are annular, and the external diameter of heat seal place is less than internal end cover lower surfaceMaximum outside diameter.

Described capsula interna length is less than the height of housing.

Internal end cover forms groove towards the surface of capsula interna.

The height of handle is higher than the top of liquid road disconnecting device.

The tapering of described housing is 1:10.4.

The outside of water tank outer end cap and housing be provided with for the installing hole of other tank parts assembling.

The present invention compared with prior art tool has the following advantages:

(1) space of the present invention water tank has been broken through the restriction that drinking water is difficult to long-term storage, adopt nine layers compoundFilm is based on physical isolation mode by isolated the material that can react with water, and the compatibility of itself and water is good, toolHave extremely strong gas barrier properties, air-tightness is high another. In addition, duricrust water tank in space adopts nine layers of structure of composite membraneSplendid attire spacefarer drinking water, not only can ensure that the inner water quality of water tank remains unchanged for a long period of time, and capsula interna material hardnessLittle, after vacuumizing, be compressible to and be convenient to together reduce storage space.

(2) water tank of the present invention comprise wing nut, tightly lock screw rod, pin, gas port joint, bolt,Hand, internal end cover, internal end cover and outer end cap sealing O type circle, outer end cap, outer end cap and housing seal O type circle,Break in housing, capsula interna, gas port joint sealing O type circle, steel-wire screw-socket, the first liquid road disconnecting device, the second liquid roadJie Qiheye road disconnecting device sealing O type circle; Housing is taper, and the material of housing and outer end cap is metal; InThe material of end cap is nonmetal; Thereby make water tank can bear on the whole higher operating pressure, structure letterSingle, can water tank be accessed in life support system pipeline easily, this water tank has detachable function, realizes water tankThe split storage of parts, the design of tank parts engineering can realize rapid-assembling. This water tank uses nine layers again in additionClose the long-term compatibility feature of film and medium and nine layers of composite membrane non-deformability strong, water tank can be repeatedlyUse long service life.

(3) by gas port joint, the first liquid road disconnecting device, the second liquid road disconnecting device, outer end cap, internal end cover,Coordinating between housing and nine layers of composite membrane capsula interna makes water tank have medium extrusion way; A kind of mode is adoptedCarry with pump; Another mode can adopt inflation method to utilize air pressure that the liquid in capsula interna is extruded.

Brief description of the drawings

Fig. 1 is space of the present invention drinking water box structure schematic diagram;

Fig. 2 is gap and gas port joint UNICOM schematic diagram between the outer and housing of capsula interna

Fig. 3 is capsula interna and internal end cover heat seal place structural representation;

Fig. 4 is that 1 water tank and multiple housing stack schematic diagram;

To be 4 water tanks stack schematic diagram except hull outside part to Fig. 5;

Fig. 6 is the partial enlarged drawing of Fig. 5.

Detailed description of the invention

Just by reference to the accompanying drawings the present invention is described further below.

As shown in Figure 1, a kind of space station of the present invention drinking water Long-term Storage Water case, comprise wing nut 1,Tight lock screw rod 2, pin 3, gas port joint 4, bolt 5, handle 6, internal end cover 7, internal end cover and outer end capSealing O type circle 8, outer end cap 9, outer end cap and housing seal O type circle 10, housing 11, capsula interna 12, gasMouth joint sealing O type circle 13, steel-wire screw-socket 14, the first liquid road disconnecting device 15, the second liquid road disconnecting device 19He Ye road disconnecting device sealing O type circle 16; Housing 11 is taper, and its material is metal; The material of internal end cover 7Material is for nonmetal;

Capsula interna 12 has the nonmetal software of opening for upper surface, and capsula interna 12 is positioned at housing 11, capsula interna12 lower surface welds together by heat seal process and internal end cover 7 heat seals, ensures that water tank inside does not exist and lets outReveal; Internal end cover and outer end cap sealing O type circle 8 embed the upper surface of internal end cover 7, in steel-wire screw-socket 14 embedsIn end cap 7, internal end cover and outer end cap sealing O type circle 8 are positioned at steel-wire screw-socket 14 outsides, and bolt 5 is passedAfter outer end cap 9, coordinate with the steel-wire screw-socket 14 in internal end cover 7, thereby make internal end cover 7 fixing with outer end cap 9Together; Outer end cap and housing seal O type circle 10 embed in housing 11, and outer end cap 9 adopts with housing 11Wing nut 1, tightly lock screw rod 2 and pin 3 is fixed together, and by outer end cap and housing seal OType circle 10 is realized tank seal; Spacefarer's hand operation in space station is convenient in the setting of wing nut 1, moreChange the miscellaneous part of water tank except housing 11. Gas port joint 4 is fixed by screws on outer end cap 9, and adoptsRealize and sealing with gas port joint sealing O type circle 13; The first liquid road disconnecting device 15, the second liquid road disconnecting device 19Through outer end cap 9, and be fixed by screws in internal end cover 7, the second liquid road disconnecting device 19 is as water filling portTowards the described opening top of capsula interna 12, the first liquid road disconnecting device 15 is positioned at the institute of capsula interna 12 as delivery portState opening top; Can realize water tank is connected with the quick of pipeline; Between Liang Geye road disconnecting device and internal end coverRealize sealing by liquid road disconnecting device sealing O type circle 16; Handle 6 is arranged on outer end cap 9 by screw,Facilitate spacefarer, in space station, water tank is carried out to carrying work; Capsula interna 12 outer surfaces, internal end cover 7 sides withHousing 11 inner surface adjacent parts have the first gap, the outermost upper surface of internal end cover 7 and outer end cap 9Between lower surface, there is the second gap being communicated with the first gap; Gas port joint 4 can be realized above-mentioned firstThe outside UNICOM of gap and water tank, ensures in filling and in adopting the mode extrusion of pump and environmental communication, keeps awayExempt to cause water tank to destroy.

Internal end cover 7 for example can adopt 6 bolts 5 to connect with outer end cap 9.

Capsula interna 12 can adopt nine layers of composite film material to make, air-tightness, good with the compatibility of water, Ke YimanThe needs of foot Long-term Storage Water, but its insufficient strength, built-in function pressure is unsuitable excessive, and therefore gold is setBelong to shell as main pressure-containing member. Internal end cover 7 adopts polythene material to make, and can ensure heat seal welderingThe reliability connecing, heat seal weld seam is not less than 5mm at internal end cover width radially, adopts twice heat seal weld seam.Heat seal place needs heat seal even, does not have fold, bubble, fifth wheel etc. The heat seal of capsula interna 12 and internal end cover 7Place 24 is annular, and heat seal place external diameter is less than the maximum outside diameter of internal end cover 7, and fill in water guarantee water tank insideIn capsule 12 expansion processes, the suffered active force of heat seal weld seam is pressure, does not have shear stress; Can protect in additionWhen card heat seal, can not cause internal end cover 7 outer margin deformations; For example internal radius is 240mm, and external diameter is 280mm.

Capsula interna 12 length are less than the height of housing 11 and avoid capsula interna 12 in the injecting process, to produce fold, internallyCapsule 12 produces and destroys. For example can be than the little 10mm of housing height.

While not filling water in water tank, negative pressure is taken out in water tank inside, taking out negative pressure is to grasp by liquid road disconnecting device 15Do, negative pressure can make capsula interna 12 deform, and slowly shrinks and fits in internal end cover 7, makes the capsula interna can be suitableProfit laminating. Internal end cover 7 intensity are high, are can not deform vacuumizing. Internal end cover is towards the circle of capsula internaOn surface, form groove 17; Make water tank capsula interna in the time of vacuum pumping, slowly collapse into end cap groove, saveThe parking space of multiple water tank end caps.

Water tank is in the time of water-filling, by pipeline connecting fluid road disconnecting device 19, slowly toward water tank internal water flooding, in water tankCapsule 12 is along with increasing of moisture storage capacity expanded gradually and be fitted on housing 11, and now housing is as pressure-bearing portionPart, capsula interna does not bear pressure loading, and therefore the intensity of water tank is mainly determined by housing. Water tank is inner to be adoptedPressure differential method water filling, in the time that water tank internal pressure equates with water injection pressure, water tank is in full state.

Water tank has two kinds of methods in the time of discharge opeing. One is to adopt Beng Congye road disconnecting device 15 to draw water, and draws waterIn process, need to open gas interface 4, prevent the too high destruction capsula interna of water tank capsula interna 13 both sides pressure reduction. One methodThe method that is inflating pressure is extruded water tank internal water, and gas port joint 4 is connected to source of the gas or inflator, slowlyPressurization, in the time of the high water capsula interna of water tank internal air gap pressure 13 inside water pressure, water Ji Huicongye road disconnecting device 15Be extruded discharge.

The height of handle 6 will be higher than the top of liquid road disconnecting device 15, ensures water tank owning except housing 11When parts are stacked together, liquid road disconnecting device 12 can not contact.

The tapering of housing 11 is 1:10.4, can realize multiple housings 11 and be connected with water tank, and make manyWhen individual tank shell 11 is stacked together, between each housing 11, retain certain gap, for convenience detach. WaterCase outer end cap 9, housing 11 are provided with installing hole 18, can be by multiple housings 11 and a complete water tankConnect, as shown in Figure 4.

As shown in Figure 5, the parts of water tank except housing 11 can be adopted by the installing hole 18 on outer end cap 9Connect and be stacked together with stay bolt 20, the pattern that generally can adopt 4 assemblies to stack, every two groupsA side that is welded with capsula interna of the internal end cover 7 of part contacts, then two parts are passed through to the relative mode of handle 6Be close together, ensure that internal end cover 7 is in whole component internal, handle 6 is outer, because wall handle 6 gold such as gradeBelong to parts damages internal end cover 7 and capsula interna 12. This kind stacks mode can reduce the parking space of water tank effectively.Partial enlarged drawing as shown in Figure 6.

In water tank, spacefarer's drinking water of silver ion is added in storage, and this duricrust water tank can ensure spacefarer's drinking waterStore and do not go bad after 1.5 years.

The unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.

Claims (9)

1. a space station drinking water Long-term Storage Water case, is characterized in that, comprises wing nut (1), tightLock screw rod (2), pin (3), gas port joint (4), bolt (5), handle (6), internal end cover (7),Internal end cover and outer end cap sealing O type circle (8), outer end cap (9), outer end cap and housing seal O type circle (10),Housing (11), capsula interna (12), gas port joint sealing O type circle (13), steel-wire screw-socket (14), the first liquidRoad disconnecting device (15), the second liquid road disconnecting device (19) He Ye road disconnecting device sealing O type circle (16); Housing(11) be taper, the material of housing and outer end cap is metal; The material of internal end cover (7) is nonmetal; InstituteStating capsula interna (12) adopts nine layers of composite film material to make;
Capsula interna (12) has the software of opening for upper surface, and capsula interna (12) is positioned at housing (11), inThe lower surface of the upper surface of capsule (12) and internal end cover (7) welds together by heat seal process heat seal; InnerLid and outer end cap sealing O type circle (8) embed the upper surface of internal end cover (7), and steel-wire screw-socket (14) embedsIn internal end cover (7), internal end cover and outer end cap sealing O type circle (8) are positioned at steel-wire screw-socket (14) outside,Bolt (5) is coordinated with the steel-wire screw-socket (14) in internal end cover (7) through after outer end cap (9), therebyInternal end cover (7) and outer end cap (9) are fixed together; Outer end cap and housing seal O type circle (10) embeddingEnter in housing (11), outer end cap (9) and housing (11) adopt wing nut (1), tightly lock screw rod (2)And pin (3) is fixed together, and realize water tank by outer end cap and housing seal O type circle (10)Sealing; It is upper that gas port joint (4) is fixed on outer end cap (9), and adopt gas port joint sealing O type circle (13)Realize sealing; The first liquid road disconnecting device (15), the second liquid road disconnecting device (19) are through after outer end cap (9)Be fixed on internal end cover (7) upper, the second liquid road disconnecting device (19) is positioned at the institute of capsula interna (12) as water filling portState opening top, the first liquid road disconnecting device (15) is positioned on the described opening of capsula interna (12) as delivery portSide; Between Liang Geye road disconnecting device and internal end cover, realize sealing by liquid road disconnecting device sealing O type circle (16);Handle (6) is arranged on outer end cap (9); Capsula interna (12) outer surface, internal end cover (7) side and housing(11) inner surface adjacent part has the first gap, the outermost upper surface of internal end cover (7) and outer end cap (9)Between lower surface, there is the second gap being communicated with the first gap; Gas port joint (4) can realize above-mentioned firstThe outside UNICOM of gap and water tank.
2. space station as claimed in claim 1 drinking water Long-term Storage Water case, is characterized in that: internal end cover(7) adopt polythene material to make.
3. space station as claimed in claim 1 drinking water Long-term Storage Water case, is characterized in that, heat seal welderingThe weld seam connecing is not less than 5mm at internal end cover width radially, adopts twice heat seal weld seam.
4. space station as claimed in claim 1 drinking water Long-term Storage Water case, is characterized in that: describedCapsula interna (12) is annular with heat seal place of internal end cover (7), and the external diameter of heat seal place is less than internal end cover lower surfaceMaximum outside diameter.
5. space station as claimed in claim 1 drinking water Long-term Storage Water case, is characterized in that: describedCapsula interna (12) length is less than the height of housing (11).
6. space station as claimed in claim 1 drinking water Long-term Storage Water case, is characterized in that: internal end coverSurface towards capsula interna forms groove (17).
7. space station as claimed in claim 1 drinking water Long-term Storage Water case, is characterized in that: handle (6)Height higher than the top of liquid road disconnecting device (15).
8. space station as claimed in claim 1 drinking water Long-term Storage Water case, is characterized in that: describedThe tapering of housing (11) is 1:10.4.
9. space station as claimed in claim 1 drinking water Long-term Storage Water case, is characterized in that: outside water tankThe outside of end cap (9) and housing (11) be provided with for the installing hole (18) of other tank parts assembling.
CN201410559467.XA 2014-10-20 2014-10-20 A kind of space station drinking water Long-term Storage Water case CN104309820B (en)

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN104743290A (en) * 2015-04-14 2015-07-01 山东格瑞德集团有限公司 Splicing, assembling and bag lining type galvanizing water tank
CN105314289B (en) * 2015-08-07 2018-01-05 北京控制工程研究所 A kind of soft tank of space station drinking water
CN105292730B (en) * 2015-10-21 2017-03-15 郑运婷 Safety water bucket
CN105253447B (en) * 2015-10-21 2017-05-03 王双枝 Use method for safe water storage barrel

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FR2586408A1 (en) * 1985-08-26 1987-02-27 Coca Cola Co System for preparing and dispensing a beverage formed from a mixture in the conditions of none gravity regulating in outer space.
CN101402478A (en) * 2008-11-13 2009-04-08 柳天暘 Double-bottle water treating device in agravity state
CN102889965A (en) * 2012-09-28 2013-01-23 首都航天机械公司 Water tank device for air cylinder airtight test

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Publication number Priority date Publication date Assignee Title
FR2586408A1 (en) * 1985-08-26 1987-02-27 Coca Cola Co System for preparing and dispensing a beverage formed from a mixture in the conditions of none gravity regulating in outer space.
CN101402478A (en) * 2008-11-13 2009-04-08 柳天暘 Double-bottle water treating device in agravity state
CN102889965A (en) * 2012-09-28 2013-01-23 首都航天机械公司 Water tank device for air cylinder airtight test

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