CN108287084A - A kind of lunar soil sample container configuration convenient for low gravitation transmission - Google Patents

A kind of lunar soil sample container configuration convenient for low gravitation transmission Download PDF

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Publication number
CN108287084A
CN108287084A CN201711376116.5A CN201711376116A CN108287084A CN 108287084 A CN108287084 A CN 108287084A CN 201711376116 A CN201711376116 A CN 201711376116A CN 108287084 A CN108287084 A CN 108287084A
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China
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soil sample
sample container
lunar soil
wall
container
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CN108287084B (en
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孙启臣
莫桂冬
秦俊杰
王国欣
曾婷
王春健
王青
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Beijing Satellite Manufacturing Factory Co Ltd
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Beijing Satellite Manufacturing Factory Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

A kind of lunar soil sample container configuration convenient for low gravitation transmission, including lunar soil sample container configuration (6), it is weakly guided device (5), sealing container (7);Lunar soil sample container configuration (6) is thin wall circular cartridge type configuration, outer wall is equipped with guide cone section, inner wall is equipped with inner wall and is oriented to cooperation section (4), be weakly guided device (5), sealing container (7) is mounted on fixed structure, lunar soil sample container (6) can downwards be transmitted along the common axis for being weakly guided device (5), sealing container (7).

Description

A kind of lunar soil sample container configuration convenient for low gravitation transmission
Technical field
The present invention relates to a kind of lunar soil sample container configurations convenient for low gravitation transmission.
Background technology
The scientific goal of China's lunar exploration the third stage of the project planning is to obtain moon sample and return to the earth.According to mission planning, The lunar soil sample that drilling obtains is encapsulated in first in lunar soil sample container, and after encapsulation, lunar soil sample container is obtained with sample Organizational separation is sent in the sealing container immediately below it.Hold into sealing since can lunar soil sample container reliably transmit It is related to the success or failure of moon sampling task in device, is system single point failure link, and moonscape is low-gravity environment, therefore, The configuration of lunar soil sample container must complete sample transmission convenient for container under low-g field.
Before obtaining organizational separation with sample, the axis of the axis of lunar soil sample container and the sealing container positioned at its underpart There are certain position deviations, it is thus impossible to accurately be transmitted lunar soil sample container by the method that accurate guider is arranged It into sealing container, but needs to take the mode for being weakly guided constraint that lunar soil sample container is made to complete transmission, this requires lunar soil The configuration of sample container in transmit process can the interference that brings of adaptive misalignment of axe, be reliably sent to sealing container In;The configuration of lunar soil sample container must also be ensured that enough volumes to contain lunar soil sample, and must assure that the reliable of lunar soil It encapsulates, lunar soil sample does not leak outside in transmit process;Lunar soil sample container is directly exposed in space environment, to high-low temperature resistant, is resisted The performance requirements such as irradiation are harsh;Lunar exploration the third stage of the project carries out moon sampling return task for the first time, and no similar products can be used for reference.
To sum up, it is sampled for the moon and returns to this completely new task, for containing the sample container of lunar soil without maturation design production Product can be used for reference, and need to design new lunar soil sample container to complete the lunar soil sample transfer operation under low gravitation.
Invention content
Present invention solves the technical problem that being:Overcome the deficiencies of the prior art and provide it is a kind of convenient for low gravitation transmission Lunar soil sample container configuration, by the way that three-level guide cone section, interior is arranged in the suitable position of annulus cartridge type lunar soil sample container outer wall Wall setting is oriented to cooperation section, solves being convenient for transmitting under the conditions of low gravitation and holds with the lunar soil sample compared with strong adaptability The configuration design challenges of device, the steering characteristics such as the guide cone section at outer wall and the guiding cooperation section size at inner wall can design, It is applicable to different transmission operating modes.
Technical solution of the invention is:A kind of lunar soil sample container configuration convenient for low gravitation transmission, feature exist In including lunar soil sample container configuration, be weakly guided device, sealing container;Lunar soil sample container is configured as thin wall circular cartridge type structure Type, outer wall are equipped with guide cone section, and inner wall is equipped with inner wall and is oriented to cooperation section, is weakly guided device, sealing container is mounted on fixed knot On structure, lunar soil sample container can downwards be transmitted along the common axis for being weakly guided device, sealing container.
The lunar soil sample container configuration includes outer wall level-one guide cone, outer wall two level guide cone, outer wall three-level guiding Cone, level-one guide cone section ensures that lunar soil sample container lower end reliably enters in sealing container in transmit process, two level guide cone Section makes the function of lunar soil sample container adjust automatically attitude angle, three-level guide cone section make transmission in place when lunar soil sample container axis Line is overlapped with sealing container axis.
Between 70 °~84 °, outer wall two level is oriented to cone angle and exists the outer wall level-one guide cone cone angle range Between 40 °~66 °, outer wall three-level is oriented to cone angle between 4 °~10 °.
The device that is weakly guided is cylindrical structure, and outer wall is equipped with lubricant layer, and lubrication layer material is molybdenum disulfide.
The a diameter of inner wall for being weakly guided device is oriented to the 99% of cooperation section diameter, and inner wall is oriented to cooperation section and is led with weak Coordinated to device using wide arc gap.
The lunar soil sample holder surface has coating, the absorptivity of coating to be not more than 0.5, and emissivity is not less than 0.7.
The level-one guide cone section is first contacted with the annular mouth of sealing container in transmit process, and contact process adjusts the moon Earth sample container posture, after level-one guide cone section is completely into sealed container interior, two level guide cone section and sealing container Annular mouth contacts, and adjusts lunar soil sample container posture again, and the axis of lunar soil sample container is made to be approached to the axis of sealing container, After two level guide cone section is completely into sealed container interior, three-level guide cone section is contacted with the annular mouth of sealing container, contact Process is accurately oriented to lunar soil sample container movement locus, and the axis of the axis and sealing container that make lunar soil sample container becomes In coaxial, inner wall is oriented to cooperation section and is detached with device is weakly guided, the axis of final lunar soil sample container substantially with sealing container Axis overlaps.
The advantages of the present invention over the prior art are that:
The present invention transmits features according to lunar soil sample, innovatively proposes outer wall three-level guiding and is weakly guided with inner wall The transmission guided mode being combined, to design the lunar soil sample container of the configuration, which can preferably solve The problem of axis of lunar soil sample container is with axis existence position deviation positioned at the sealing container of its underpart before transmission, being capable of general Lunar soil sample is reliably sent into sealed container interior.Three-level guide cone section on lunar soil sample container outer wall, can be in transmit process Lunar soil sample container is oriented to step by step, by the longer guide cone section of the third level, the axis of lunar soil sample container is made to exist Transmission latter stage is substantially equal to the axis of sealing container, to realize higher guiding accuracy.The lunar soil sample container of the configuration Ensure that the precision and reliability of transmission, the gravity suffered by lunar soil sample container can overcome system to rub by geometric parameter relationship It wipes, guarantee transmits under the premise of capable of realizing, the movement velocity pair of gravity and lunar soil sample container suffered by lunar soil sample container The transmission precision influence of entire transmit process is smaller, and accordingly, with respect to other configurations, which contributes to low gravitation condition Under sample transmission.Under conditions of the common axis of device 5 and sealing container and plumb line are weakly guided there are certain angle deflection, The lunar soil sample container of the configuration still can relatively accurately be transmitted into sealed container interior.It is oriented at lunar soil sample container outer wall Boring the steering characteristics such as the guiding cooperation section size at cone angle, cone segment length and the inner wall of section can design, and pass through different ginsengs Array is closed, and the sample container of various configuration can be obtained, so as to suitable for different transmission operating modes.The vessel configuration high-low temperature resistant Better performances, without applying Active thermal control measure;Meanwhile, it is capable to adapt to big magnitude vibration test.With preferably spatial adaptation Property and reliability.
Description of the drawings
Fig. 1 is lunar soil sample container configuration schematic diagram;
Fig. 2 is sample transfer condition schematic diagram.
Specific implementation mode
In view of the deficiencies of the prior art, the present invention proposes a kind of lunar soil sample container configurations convenient for low gravitation transmission, lead to It crosses and is oriented to cooperation section using in the suitable position setting three-level guide cone section of annulus cartridge type lunar soil sample container outer wall, inner wall setting Mode, so that lunar soil sample container is belonged to field of deep space exploration convenient for being transmitted transfer under the conditions of low gravitation.This appearance Device configuration is equally applicable to other ground installations with similar transmitting function demand.
(1) three-level guide function is arranged in lunar soil sample container outer wall
It is as shown in Figure 1 lunar soil sample container configuration schematic diagram, is illustrated in figure 2 sample transfer condition schematic diagram, this hair A kind of bright lunar soil sample container configuration 6 convenient for low gravitation transmission is thin wall circular cartridge type configuration, is internally provided with through-hole, outer wall is set There are three-level guide cone section, respectively outer wall level-one guide cone 1, outer wall two level guide cone 2, outer wall three-level guide cone 3, through-hole wall It is oriented to cooperation section 4 for inner wall.
1 cone angle range of outer wall level-one guide cone between 70 °~84 °, 2 angular range of outer wall two level guide cone 40 °~ Between 66 °, 3 angular range of outer wall three-level guide cone is between 4 °~10 °.
In transmit process:Level-one guide cone section 1 has low precision guide function, ensures that 6 lower end of lunar soil sample container can By entering in sealing container 7;Two level guide cone section 2 have make 6 adjust automatically attitude angle of lunar soil sample container in transmit process Function;Three-level guide cone section 3 have the function of high-precision be oriented to, make transmission in place when lunar soil sample container axis substantially with Sealing container axis overlaps.
(2) lunar soil sample container inner wall setting is weakly guided constraint
Before transmission, the axis of lunar soil sample container 6 and the axis existence position of the sealing container 7 positioned at its underpart are inclined Difference, therefore, it is necessary to take the mode for being weakly guided constraint that lunar soil sample container 6 is made to complete transmission.It is cylinder knot to be weakly guided device 5 Structure, outer wall are equipped with lubricant layer, and lubrication layer material is molybdenum disulfide, and a diameter of inner wall is oriented to the 99% of cooperation 4 diameter of section;Lunar soil 6 inner wall of sample container is oriented to cooperation section 4 and is weakly guided between device 5 to be coordinated using wide arc gap, makes leading for inner wall in transmit process Do not interfere excessively the three-level guide function of outer wall, the guiding role of inner and outer wall complementary to effect.
(3) thin-wall circular cartridge type configuration designs
Lunar soil sample container 6 is thin wall circular cartridge type configuration, and annular housing is sample containment space, the structure between inside and outside wall Molded capacity rate is high, light-weight, and container rigidity is high under the conditions of identical weight.Lunar soil sample container is directly exposed in space environment, To avoid container temperature under solar irradiation excessively high, specific coatings are coated in vessel surface, which has to low absorptivity, height The characteristics of emissivity, absorptivity are not more than 0.5, and emissivity is not less than 0.7.
Highly reliable transmission under lunar soil sample container low gravitation of the present invention is weakly guided device 5, sealing container 7 is mounted on admittedly Determine in structure, under 6 original state of lunar soil sample container be weakly guided device 5 and be co-axially mounted, when lunar soil sample is completely into lunar soil After annular housing between 6 inside and outside wall of sample container, lunar soil sample container 6 starts to be weakly guided device 5 by initial makeup location edge It transmits downwards, is eventually entered into the sealing container 7 of its underpart with the common axis of sealing container 7, while by lunar soil sample It brings into sealing container 7.
In transmit process, it is oriented to cooperation section 4 in inner wall and is weakly guided under the premise of being weakly guided constraint of device 5, level-one is oriented to Cone section 1 is contacted with the annular mouth of sealing container 7 at first, 6 posture of contact process coarse adjustment lunar soil sample container, is completed low precision and is oriented to Function;After level-one guide cone section 1 is completely into 7 inside of sealing container, the annular mouth of two level guide cone section 2 and sealing container 7 Contact, contact process adjust 6 posture of lunar soil sample container, make the axis of lunar soil sample container 6 to the axis of sealing container 7 again Approach;After two level guide cone section 2 is completely into 7 inside of sealing container, the annular mouth of three-level guide cone section 3 and sealing container 7 Contact, contact process are accurately oriented to 6 movement locus of lunar soil sample container, make axis and the sealing of lunar soil sample container 6 The axis of container 7 tends to be coaxial, while inner wall is oriented to cooperation section 4 and is detached with device 5 is weakly guided, when being ultimately delivered in place, lunar soil The axis of sample container 6 is overlapped with the axis of sealing container 7 substantially.
Under conditions of the common axis of device 5 and sealing container 7 and plumb line are weakly guided there are certain angle deflection, also press The above process completes sample transmission.
The present invention transmits features according to lunar soil sample, innovatively proposes outer wall three-level guiding and is weakly guided with inner wall The transmission guided mode being combined, to design the lunar soil sample container of the configuration, which can preferably solve The problem of axis of lunar soil sample container is with axis existence position deviation positioned at the sealing container of its underpart before transmission, being capable of general Lunar soil sample is reliably sent into sealed container interior.Three-level guide cone section on lunar soil sample container outer wall, can be in transmit process Lunar soil sample container is oriented to step by step, by the longer guide cone section of the third level, the axis of lunar soil sample container is made to exist Transmission latter stage is substantially equal to the axis of sealing container, to realize higher guiding accuracy.The lunar soil sample container of the configuration Ensure that the precision and reliability of transmission, the gravity suffered by lunar soil sample container can overcome system to rub by geometric parameter relationship It wipes, guarantee transmits under the premise of capable of realizing, the movement velocity pair of gravity and lunar soil sample container suffered by lunar soil sample container The transmission precision influence of entire transmit process is smaller, and accordingly, with respect to other configurations, which contributes to low gravitation condition Under sample transmission.Under conditions of the common axis of device 5 and sealing container and plumb line are weakly guided there are certain angle deflection, The lunar soil sample container of the configuration still can relatively accurately be transmitted into sealed container interior.It is oriented at lunar soil sample container outer wall Boring the steering characteristics such as the guiding cooperation section size at cone angle, cone segment length and the inner wall of section can design, and pass through different ginsengs Array is closed, and the sample container of various configuration can be obtained, so as to suitable for different transmission operating modes.The vessel configuration high-low temperature resistant Better performances, without applying Active thermal control measure;Meanwhile, it is capable to adapt to big magnitude vibration test.With preferably spatial adaptation Property and reliability.
The content that description in the present invention is not described in detail belongs to the known technology of those skilled in the art.

Claims (7)

1. it is a kind of convenient for low gravitation transmission lunar soil sample container configuration, it is characterised in that including lunar soil sample container configuration (6), It is weakly guided device (5), sealing container (7);Lunar soil sample container configuration (6) is thin wall circular cartridge type configuration, and outer wall, which is equipped with, to be oriented to Section is bored, inner wall is equipped with inner wall and is oriented to cooperation section (4), is weakly guided device (5), sealing container (7) is mounted on fixed structure, the moon Earth sample container (6) can downwards be transmitted along the common axis for being weakly guided device (5), sealing container (7).
2. a kind of lunar soil sample container configuration convenient for low gravitation transmission according to claim 1, it is characterised in that:It is described Lunar soil sample container configuration (6) include outer wall level-one guide cone (1), outer wall two level guide cone (2), outer wall three-level guide cone (3), level-one guide cone section (1) ensures that lunar soil sample container (6) lower end reliably enters in sealing container (7) in transmit process, Two level guide cone section (2) makes the function of lunar soil sample container (6) adjust automatically attitude angle, three-level guide cone section (3) make to be transmitted to The axis of lunar soil sample container is overlapped with sealing container axis when position.
3. a kind of lunar soil sample container configuration convenient for low gravitation transmission according to claim 1 or 2, it is characterised in that: Outer wall level-one guide cone (1) the cone angle range is between 70 °~84 °, and outer wall two level guide cone (2) angular range is at 40 ° Between~66 °, outer wall three-level guide cone (3) angular range is between 4 °~10 °.
4. a kind of lunar soil sample container configuration convenient for low gravitation transmission according to claim 1 or 2, it is characterised in that: The device (5) that is weakly guided is cylindrical structure, and outer wall is equipped with lubricant layer, and lubrication layer material is molybdenum disulfide.
5. a kind of lunar soil sample container configuration convenient for low gravitation transmission according to claim 1 or 2, it is characterised in that: The described a diameter of inner wall for being weakly guided device (5) is oriented to the 99% of cooperation section (4) diameter, inner wall be oriented to cooperation section (4) with it is weak Guider (5) is coordinated using wide arc gap.
6. a kind of lunar soil sample container configuration convenient for low gravitation transmission according to claim 1 or 2, it is characterised in that: Described lunar soil sample container (6) surface has coating, the absorptivity of coating to be not more than 0.5, and emissivity is not less than 0.7.
7. a kind of lunar soil sample container configuration convenient for low gravitation transmission according to claim 1, it is characterised in that:It is described Level-one guide cone section (1) in transmit process first contacted with the annular mouth of sealing container (7), contact process adjustment lunar soil sample Container (6) posture, after level-one guide cone section (1) is completely into sealing container (7) inside, (2 hold two level guide cone section with sealing The annular mouth of device (7) contacts, and adjusts lunar soil sample container (6) posture again, and the axis of lunar soil sample container (6) is made to hold to sealing The axis of device (7) approaches, after two level guide cone section (2) is completely into sealing container (7) inside, three-level guide cone section (3) with The annular mouth of sealing container (7) contacts, and contact process is accurately oriented to lunar soil sample container (6) movement locus, makes lunar soil The axis of sample container (6) and the axis of sealing container (7) tend to be coaxial, and inner wall is oriented to cooperation section (4) and is weakly guided device (5) Separation, the axis of final lunar soil sample container (6) are overlapped with the axis of sealing container (7) substantially.
CN201711376116.5A 2017-12-19 2017-12-19 Lunar soil sample container configuration convenient for low-gravity conveying Active CN108287084B (en)

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Cited By (1)

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