CN103344451B - A kind of lunar soil harvester and analog acquisition device - Google Patents
A kind of lunar soil harvester and analog acquisition device Download PDFInfo
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- CN103344451B CN103344451B CN201310264139.2A CN201310264139A CN103344451B CN 103344451 B CN103344451 B CN 103344451B CN 201310264139 A CN201310264139 A CN 201310264139A CN 103344451 B CN103344451 B CN 103344451B
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Abstract
A kind of harvester of lunar soil, comprise gas regulation and measurement module, lunar soil gathers, excavation and conveyor module and data acquisition and control module, gas regulation and measurement module respectively with data acquisition and control module and lunar soil collection, excavate and be connected with conveyor module, the control that gas regulation and measurement module accept data acquisition and control module is lunar soil collection, excavate and conveyor module carries out distribution, and lunar soil collection, excavation and conveyor module are for the excavation of lunar soil and transport and collection.The high-level efficiency that the present invention utilizes pressure gas rapid spatial expansion in high vacuum environment to bring realizes the collection of lunar soil, gas regulation coordinates with control module with data acquisition with measurement module simultaneously, can measure and control pressure, flow, frequency, the duration of gas accurately, with be lunar soil collection according to excavation demand, excavation and conveyor module provide power, has the advantages such as simple to operate, automaticity is high, favorable repeatability.
Description
Technical field
The invention belongs to the lunar soil collection in moon exploration program, excavation field, relate to a kind of pneumatic collection, excavation and conveying lunar soil harvester and a kind of lunar soil analog acquisition device.
Background technology
At present, second time lunar exploration upsurge is being carried out in world wide.The state such as Europe, Russia, Japan, India and China announces oneself Lunar Probe Project in succession.The subordinate phase of lunar exploration plan that China is at present " Chang'e's project ", i.e. " around the stage moon ", the emphasis of work still concentrates on to be broken through lunar orbiting exploration gordian technique, soft lunar landing and automatically makes an inspection tour exploratory techniques etc.The phase III in future mainly completes the task of lunar surface boring with sampling Returning ball, and whole Chang'e's project plan completed before and after 2017." China is to the year two thousand fifty space development in science and technology route map " within 2009, issued, specify that the space exploration task before China's the year two thousand fifty, namely realizes manned moon landing about the year two thousand thirty, set up the lunar base of short-term Attended mode about the year two thousand forty.
Carry out moon exploration, utilize lunar surveyor, build lunar base, inevitably will gather, excavate and carry lunar soil.But, due to by the restriction of moon complex environment, as the high adsorption of high vacuum, intense radiation, violent day and night temperature, potential meteorite hit, lunar soil and frictional property etc., gather, excavation and transportation work will face very arduous challenge.The collection of lunar soil, excavation and transportation problem have become one of the following moon exploration activity of China bottleneck in the urgent need to address.The excavation method proposed both at home and abroad at present mainly contains conventional articulated gravity formula equipment method, probing method and explosive blasting method three kinds.Conventional equipment limit because of carrier rocket ability, and stock size is little, and efficiency is low, and is difficult to the difficult problem overcoming the strong adsorbability of lunar soil and high frictional property, easily produces mechanical fault.And in the moon early development stage, before underusing lunar surveyor synthesis explosive, use and all there is larger difficulty technically and economically from the explosive of Earth transportation.Though probing method can obtain the lunar soil of certain depth, but its efficiency is very limited, can not be applied to large-scale collection, excavation and conveying.
Summary of the invention
The object of the present invention is to provide a kind of lunar soil harvester and lunar soil analog acquisition device, lunar soil harvester make use of the high-level efficiency that pressure gas rapid spatial expansion in high vacuum environment brings, the collection of lunar soil can be realized quickly and accurately, lunar soil analog acquisition device is by the high vacuum environment on the simulation moon, the pressure of accurate control pressure gas, flow, frequency and duration, can be used for the lunar soil collection in design and optimization moon exploration program and excavation equipment.
For achieving the above object, solution of the present invention is:
The invention discloses a kind of harvester of lunar soil, comprise gas regulation and measurement module, lunar soil gathers, excavation and conveyor module and data acquisition and control module, described gas regulation and measurement module respectively with described data acquisition and control module and described lunar soil collection, excavation is connected with conveyor module, the control that gas regulation and measurement module accept described data acquisition and control module is described lunar soil collection, excavation and conveyor module carry out distribution to provide power, described lunar soil collection, excavate the excavation and transport and collection that are used for lunar soil with conveyor module.
Described data acquisition and control module comprise computing machine, Programmable Logic Controller, A/D and D/A modular converter and gauge tap, A/D and D/A modular converter is inserted on Programmable Logic Controller; Programmable Logic Controller is connected with computing machine via data line; Gauge tap is connected with Programmable Logic Controller.
Described gas regulation and measurement module comprise the gas bomb be connected successively, bipolar pressure regulator valve, precise pressure regulating valve, mass-flow gas meter, throttling valve and electromagnetic impulse valve, described gas bomb uses as source of the gas, it is built with pressure gas, and described bipolar pressure regulator valve is used for the gas pressure value that coarse adjustment gas bomb provides; Described precise pressure regulating valve is for finely tuning the gas pressure value modulated through bipolar pressure regulator valve, described mass-flow gas meter is used for measuring the force value from precise pressure regulating valve gas out and gas mass flow, and via data line, metrical information is transferred to computer disposal; Described throttling valve is used for controlling from mass-flow gas meter gas flow out; Described electromagnetic impulse valve is connected with Programmable Logic Controller by electric wire and gauge tap, described in be inserted with A/D and D/A modular converter Controlled by Programmable Controller electromagnetic impulse valve carry out impulse form, the opening and closing of gauge tap control electromagnetic impulse valve.
Described lunar soil collection, excavation and conveyor module comprise excavating manages, collects native case, is connected described excavation and manages and the defeated native flexible pipe of the native case of described collection and inlet channel, described inlet channel one end to be connected to accept via flexible pipe the gas that described gas regulation and measurement module provide with described electromagnetic impulse valve, the other end is located on described excavation pipe and is thought that described lunar soil collection, excavation and conveyor module carry out distribution, described defeated native flexible pipe provides moving conduit for soil, and described collection soil case is for collecting lunar soil.
In described gas regulation and measurement module, described precise pressure regulating valve, mass-flow gas meter, throttling valve, electromagnetic impulse valve are equipped with quick gas coupling, four are connected successively by flexible pipe, described bipolar pressure regulator valve is screwed on gas bomb by screw, and the other end of precise pressure regulating valve is also connected on bipolar pressure regulator valve by screw.
The reading duration of described mass-flow gas meter is within 10ms.
Described electromagnetic impulse valve has the operating frequency of response time within 20ms and more than 5 times/second.
In described lunar soil collection, excavation and conveyor module, described inlet channel comprises distribution hoop and some draft tube, described distribution hoop sticks to outside the tube wall of excavation pipe interlude, outside described distribution hoop, the flexible pipe of corresponding described connection electromagnetic impulse valve has an aperture, inside described distribution hoop, corresponding described draft tube has some apertures, described draft tube is arranged along excavating pipe inner tubal wall, higher than 3-5cm bottom excavation pipe bottom draft tube.
Or, described inlet channel comprises distribution hoop and is located at some borings of excavating tube wall lower end, described distribution hoop sticks to outside the tube wall of excavation pipe lower end, outside described distribution hoop, the flexible pipe of corresponding described connection electromagnetic impulse valve has an aperture, and inside described distribution hoop, corresponding described boring has some apertures.
Described lunar soil collection, excavation are with conveyor module, and the two ends of described defeated native flexible pipe are managed respectively by metal card cuff and excavating and collected native case and be connected.
In described lunar soil collection, excavation and conveyor module, described excavation pipe diameter is 2cm-20cm.
Described lunar soil collection, excavate and also to comprise filtrator and sack cleaner with conveyor module to be used for being separated lunar soil and gas, described filtrator is via being bolted on the native case of described collection, and described sack cleaner both ends open, entangles described filtrator.
The invention also discloses a kind of lunar soil analog acquisition device, comprise vacuum module and vacuum meter, described vacuum module simulates real dummy status, described lunar soil collection, excavation and conveyor module are located in vacuum module for the excavation of lunar soil and transport and collection, described gas regulation and measurement module respectively with described data acquisition and control module and described lunar soil collection, excavation is connected with conveyor module, the control that gas regulation and measurement module accept described data acquisition and control module is described lunar soil collection, excavation and conveyor module carry out distribution, described vacuum meter is located on described vacuum module for measuring the gaseous tension in vacuum module, vacuum meter is directly connected with A/D and D/A modular converter by data line.
Described vacuum module comprises vacuum tank, vacuum pump, connect the corrugated tube of described vacuum tank and vacuum pump, be located at described vacuum tank median septum, the blowdown valve being fixedly connected with the guide rod for adjusting divider height with described dividing plate and being located on described vacuum tank, described simulative lunar soil is positioned at below described dividing plate, described guide rod is through described vacuum tank case lid, the native case of described collection and excavation pipe are fixed on dividing plate, via guide rod domination set soil case with excavate the moving up and down of pipe, described vacuum pump is by arranging gas in different speed of evacuation extracting vacuum casees with the vacuum environment in simulates real empty van, described vacuum meter is located on vacuum tank for measuring the gaseous tension in vacuum tank, vacuum meter is directly connected with A/D and D/A modular converter by data line.
In described vacuum module, described corrugated tube two ends are provided with groove type clip, and described corrugated tube is connected with vacuum tank and vacuum pump respectively via groove type clip.
In described vacuum module, described dividing plate center is provided with circular hole, described guide rod tail end is provided with screw thread, described guide rod inserts in described circular hole, being fixedly connected with both described guide rod and described dividing plate realize via nut, the upper end of described guide rod is also provided with screw thread, and described guide rod is connected with the cover bolt of described vacuum tank, guide rod can be moved up and down, thus drive dividing plate and excavation pipe to move up and down.
In described vacuum module, described vacuum pump is the combination of double-pole spiral pump or dry pump and lobe pump, to obtain the condition of high vacuum degree of below 1Pa.
In described vacuum module, between the case lid of described vacuum tank and described casing, be provided with rubber seal.
In described vacuum module, case lid and the described guide rod connection of described vacuum tank are provided with rubber seal.
In described vacuum module, described vacuum tank is that transparent organic glass is made.
In described vacuum module, the native case of described collection and excavation pipe are connected and fixed on dividing plate via bolt.
Described vacuum module also comprises accurate filter, and described accurate filter is connected via groove type clip with vacuum pump, is used for the moon soil particle brought out when filtering vacuum pump is bled.
Preferably, described accurate filter to be precision the be filtrator of more than 0.3 μm.
Described vacuum meter is arranged on the aperture that vacuum tank case lid stays in advance, and aperture is connected by groove type clip with vacuum meter.
Preferably, the range ability of described vacuum meter is 10
-3pa-10
5pa.
Owing to adopting such scheme, the invention has the beneficial effects as follows
Illustrated lunar soil harvester provides one and is different from gravity installation, blasting procedure, the novel collection of the conventional methods such as probing method, the method of excavation and conveying lunar soil, the high-level efficiency that the present invention utilizes pressure gas rapid spatial expansion in high vacuum environment to bring realizes the collection of lunar soil, simultaneously gas regulation and measurement module and data acquisition coordinates with control module, can measure and control the pressure of gas accurately, flow, frequency and duration with according to excavation demand for lunar soil collection, excavation and conveyor module provide power, have simple to operate, automaticity is high, the advantages such as favorable repeatability, the collection of lunar soil in moon exploration program can be directly applied to, excavation and conveying.
Illustrated lunar soil analog acquisition device, obtains low vacuum environment by vacuum module, is accurately controlled and gather the pressure of the gas entering vacuum tank, flow, quality, frequency and duration by gas regulation and measurement module; The degree of depth that collection, excavation and conveying device insert simulative lunar soil is controlled by guide rod; Recorded the quality of the simulative lunar soil collected by electronic scales, the efficiency of energy accurate measurement lunar soil harvester, can be used for the lunar soil collection in design and optimization moon exploration program and excavation equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of lunar soil analog acquisition device one embodiment;
Fig. 2 is the structural representation excavating pipe one embodiment;
In figure: 1 vacuum tank, 2 vacuum pumps, 3 accurate filters, 4 corrugated tubes, 5 guide rods, 6 dividing plates, 7 blowdown valves, 8 gas bombs, 9 bipolar pressure regulator valves, 10 precise pressure regulating valves, 11 mass-flow gas meters, 12 throttling valve, 13 electromagnetic impulse valves, 14 excavate pipe, 15 draft tube, 16 distribution hoops, 17 defeated native flexible pipes, 18 collection native case, 19 filtrators, 20 sack cleaners, 21 computing machines, 22 vacuum meters, 23 Programmable Logic Controllers, 24A/D and D/A modular converter, 25 gauge tap.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
In first embodiment, the invention discloses a kind of harvester of lunar soil, comprise gas regulation and measurement module, lunar soil gathers, excavation and conveyor module and data acquisition and control module, gas regulation and measurement module respectively with data acquisition and control module and lunar soil collection, excavate and be connected with conveyor module, the control that gas regulation and measurement module accept data acquisition and control module is lunar soil collection, excavate and conveyor module carries out distribution, and lunar soil collection, excavation and conveyor module are for the excavation of lunar soil and transport and collection.
Data acquisition and control module are responsible for gathering mass-flow gas meter 11 data in gas regulation and measurement module and are controlled the opening and closing of electromagnetic impulse valve 13, comprise computing machine 21, Programmable Logic Controller 23, A/D and D/A modular converter 24 and gauge tap 25, A/D and D/A modular converter 24 is inserted on Programmable Logic Controller 23; Programmable Logic Controller 23 is connected with computing machine 21 via data line; Gauge tap 25 is connected with Programmable Logic Controller 23.The Programmable Logic Controller 23 being inserted with A/D and D/A modular converter 24 can control that electromagnetic impulse valve 13 carries out impulse form, gauge tap 25 controls the opening and closing that electromagnetism rushes valve 13.
Gas regulation and measurement module and lunar soil collection, excavate and be connected with the excavation pipe 14 in conveyor module, bottom excavation pipe 14, provide the pressure gas after ovennodulation, utilize pressure gas performance of rapid spatial expansion in high vacuum environment to be used for excavating lunar soil.Gas regulation and measurement module are specifically responsible for and are carried out distribution for excavating pipe 14 and control gaseous tension and mass rate and measure its pressure, mass flow value, comprise the gas bomb 8, bipolar pressure regulator valve 9, precise pressure regulating valve 10, mass-flow gas meter 11, throttling valve 12 and the electromagnetic impulse valve 13 that connect successively.
In the present embodiment, precise pressure regulating valve 10, mass-flow gas meter 11, throttling valve 12, electromagnetic impulse valve 13 are equipped with quick gas coupling, four are connected successively by flexible pipe, bipolar pressure regulator valve 9 is screwed on gas bomb 8 by screw, and the other end of precise pressure regulating valve 10 is also connected on bipolar pressure regulator valve 9 by screw.
Gas bomb 8 uses as source of the gas, and it is built with pressure gas, the gas pressure value that bipolar pressure regulator valve 9 provides for coarse adjustment gas bomb 8; Precise pressure regulating valve 10 is for finely tuning the gas pressure value modulated through bipolar pressure regulator valve 9, mass-flow gas meter 11 is used for measuring the force value from precise pressure regulating valve 10 gas out and gas mass flow, and via data line, metrical information is transferred to computing machine 21 and processes; Throttling valve 12 is used for controlling from mass-flow gas meter 11 gas flow out; Electromagnetic impulse valve 13 is connected with Programmable Logic Controller 23 by electric wire and gauge tap 25, and the Programmable Logic Controller 23 being inserted with A/D and D/A modular converter 24 controls electromagnetic impulse valve 13 and carries out impulse form, and gauge tap 25 controls the opening and closing of electromagnetic impulse valve 13.
Wherein, the reading duration of mass-flow gas meter 11 is within 10ms; Electromagnetic impulse valve 13 has the operating frequency of response time within 20ms and more than 5 times/second.Consider that pressure and the fluctuations in discharge of the gas gas is from gas bomb 8 to the process of excavation pipe 14 are very fast, therefore the reading duration of mass-flow gas meter 11 is 10ms, and namely every 10ms records a secondary data, and such reading duration is shorter, and data measured is more accurate.The response time of electromagnetic impulse valve 13 is 20ms, namely the gauge tap of electromagnetic impulse valve 13 is opened, 20ms internal electromagnetic pulse valve 13 can be started working, and operating frequency 5 times/s, be then consider to need to use different impulse forms in the course of work of gas regulation from measurement module, the operating frequency of 5 times/s can for considering that multiple impulse form carry out basis.
The excavation of lunar soil and transport and collection are responsible in lunar soil collection, excavation and conveyor module, comprise excavating pipe 14, collect native case 18, connecting and excavate pipe 14 and the defeated native flexible pipe 17 and the inlet channel that collect native case 18.Excavating pipe 14 diameter is 2cm-20cm, inlet channel one end is connected with electromagnetic impulse valve 13 via flexible pipe, accept the pressure gas that gas regulation and measurement module provide, the inlet channel other end is located at the bottom of excavating pipe 14 and is thought that lunar soil collection, excavation and conveyor module carry out distribution, the two ends of defeated native flexible pipe 17 respectively by metal card cuff and excavation pipe 17 with collect native case 18 and be connected, defeated native flexible pipe 17 provides moving conduit for soil, collects native case 18 for collecting the lunar soil excavated through excavating pipe 15.
As shown in Figure 2, inlet channel is for connecting lunar soil collection, excavation and conveyor module and gas regulation and measurement module, make the pressure gas modulated through gas regulation and measurement module can effectively enter the bottom of excavating pipe 14, thus excavation and the collection of lunar soil can be realized.In the present embodiment, inlet channel comprises distribution hoop 16 and some draft tube 15, distribution hoop 16 sticks to outside the tube wall of excavation pipe 14 interlude, an aperture is had outside distribution hoop 16, the flexible pipe be connected with electromagnetic impulse valve 13 is connected with distribution hoop 16 via this aperture, make the gas modulated through gas regulation and measurement module can enter in distribution hoop 16, have some apertures inside distribution hoop 16 to be directly connected with draft tube 15, in the present embodiment, in fact inner side is provided with is 4 apertures.Inside draft tube 15(correspondence, 4 apertures are provided with 4 draft tube 15 altogether) be evenly arranged along excavating pipe 14 inner tubal wall, higher than 3-5cm bottom excavation pipe bottom draft tube 15, thus when excavating pipe 14 and inserting in lunar soil, the pressure gas that gas regulation and measurement module provide can at the uniform velocity enter among lunar soil by inlet channel, when air pressure enters into vacuum environment rapid expansion excavation lunar soil, lunar soil can be driven to enter in the native case 18 of collection along defeated native flexible pipe 17 because gas moves upward on the one hand, on the other hand owing to being all in vacuum state in defeated native flexible pipe 17 and the native case 18 of collection, because draught head lunar soil also can be pressed in the native case 18 of collection.
In addition, inlet channel also can comprise distribution hoop 16 and be located at some borings of excavating on pipe 14 tube wall, distribution hoop 16 sticks to outside the tube wall in the middle part of excavation pipe 14, an aperture is had outside distribution hoop 16,13 flexible pipes be connected with electromagnetic impulse valve 13 are connected with distribution hoop 16 via this aperture, make the gas modulated through gas regulation and measurement module can enter in distribution hoop 16, inside distribution hoop 16, corresponding boring has some apertures, to realize the distribution function of inlet channel.
When considering that lunar soil enters the native case 18 of collection by defeated native flexible pipe 17, doped with gas in lunar soil, therefore lunar soil collection, excavate and to be also provided with filtrator 19 and sack cleaner 20 with conveyor module to be used for being separated lunar soil and gas.Filtrator 19 is via being bolted on the native case 18 of collection, and sack cleaner 20 both ends open, entangles filtrator 19.
The invention provides one and be different from gravity installation, blasting procedure, the novel collection of the conventional methods such as probing method, the method of excavation and conveying lunar soil, the high-level efficiency that system utilizes pressure gas rapid spatial expansion in high vacuum environment to bring realizes the collection of lunar soil, simultaneously gas regulation and measurement module and data acquisition coordinates with control module, can measure and control the pressure of gas accurately, flow, frequency and duration with according to excavation demand for lunar soil collection, excavation and conveyor module provide power, have simple to operate, automaticity is high, the advantages such as favorable repeatability, the collection of lunar soil in moon exploration program can be directly applied to, excavation and conveying.
In second embodiment, as shown in Figure 1, the invention discloses a kind of lunar soil analog acquisition device, comprise vacuum module, vacuum meter 22 and the lunar soil harvester shown in the first embodiment, high vacuum environment on the lunar soil analog acquisition unit simulation moon, the course of work of lunar soil harvester and performance are tested, the collection of lunar soil in moon exploration program, excavation and conveying can be directly applied to, or for the optimization to lunar soil harvester or the collection of other lunar soil and excavation equipment.
Wherein, vacuum module is used for simulates real dummy status, lunar soil collection, excavation and conveyor module are located in vacuum module for the excavation of lunar soil and transport and collection, gas regulation and measurement module respectively with data acquisition and control module and lunar soil collection, excavate and be connected with conveyor module, the control that gas regulation and measurement module accept data acquisition and control module is lunar soil collection, excavate and conveyor module carries out distribution.
Vacuum module comprise vacuum tank 1, vacuum pump 2, connect vacuum tank 1 and vacuum pump 2 corrugated tube 4, being located at vacuum tank 1 median septum 6, being fixedly connected with dividing plate 6 for adjusting dividing plate 6 guide rod 5 highly and the blowdown valve 7 be located on vacuum tank 1.
Corrugated tube 4 two ends are provided with groove type clip, and corrugated tube 4 is connected with vacuum tank 1 and vacuum pump 2 respectively via groove type clip.Vacuum pump 2 has the function of frequency control, by arranging gas in different speed of evacuation extracting vacuum casees 1 to simulate the vacuum environment on the moon.In the present embodiment, vacuum pump 2 both can be double-pole spiral pump, also can be the combination of dry pump and lobe pump, to make the condition of high vacuum degree obtaining below 1Pa in vacuum tank 1.Vacuum tank 1 is made for transparent organic glass, and have well visual and impermeability, shape be cylindrical shape or rectangle, and the case lid of vacuum tank 1 and casing are provided with rubber seal.
The case lid of vacuum tank 1 leaves aperture in advance, vacuum meter 22 is connected by groove type clip with aperture, for the gaseous tension measured in vacuum tank 1, vacuum meter 22 is directly connected with A/D and D/A modular converter 24 by data line, force value in vacuum tank 1 is sent to data acquisition and control module process, in the present embodiment, the range ability of vacuum meter 22 is 10
3pa-10
5pa.
Guide rod 5 is connected with dividing plate 6 through after the case lid of vacuum tank 1, and for preventing gas leakage, guide rod 5 is provided with rubber seal with the junction of vacuum tank 1 case lid.Dividing plate 6 radius is slightly smaller than the radius of vacuum tank 1, be positioned in vacuum tank 1, dividing plate 6 center is provided with circular hole, the tail end that guide rod 5 is connected with dividing plate 6 is provided with screw thread, and guide rod 5 inserts in circular hole, being fixedly connected with both guide rod 5 and dividing plate 6 realize via nut, the upper end of guide rod 5 is also provided with screw thread, a nut can be screwed at the threaded upper ends place of guide rod 5, above the case lid being supported on vacuum tank 1 below nut, by stubborn nut, guide rod 5 can be moved up and down.Space again below dividing plate 6 is provided with lunar soil, collecting native case 18 and excavating pipe 14 is secured by bolts on dividing plate 6, thus in simulative lunar soil collection is tested, collect native case 18 by guide rod 5 realization and excavate moving up and down of pipe 14, control excavation pipe 14 inserts the degree of depth in lunar soil.
In addition, vacuum module is also provided with accurate filter 3, and accurate filter 3 is connected via groove type clip with vacuum pump 2, is used for the moon soil particle brought out when filtering vacuum pump 2 is bled, in the present embodiment, and accurate filter to be precision the be filtrator of more than 0.3 μm.
Concrete use procedure below in conjunction with lunar soil analog acquisition device is further described it.
The present embodiment achieves structure and the debugging of above-mentioned lunar soil analog acquisition device, adopt industrial nitrogen as source of the gas, vacuum tank 1 is of a size of Φ 250mm*1000mm*10mm, excavates pipe 14 and is of a size of Φ 50mm*700mm*3mm, and the degree of depth that excavation pipe 14 inserts simulative lunar soil is 500mm.Experimental procedure is as follows:
A. the collection cleaned out soil case 18 is weighed, its quality is 1687.7g, then by excavation pipe 14, defeated native flexible pipe 17, collect native case 18 and be fixed on dividing plate 6, guide rod 5 is utilized to put in transparent vacuum tank 1, and excavation pipe 14 is inserted designated depth, cover the case lid of vacuum tank 1, connect vacuum pump 2 and vacuum meter 22;
B. Programmable Logic Controller is opened, operation program (per second opening is closed 0.5 second for 0.5 second) the write PLC that electromagnetic impulse valve 23 will be performed, utilize bipolar pressure regulator valve 9, precise pressure regulating valve 10 and throttling valve 12 that pressure and flow are adjusted to 0.2MPa and 3.3L/min, start vacuum meter 22 data acquisition, start vacuum pump 2 to bleed, observe vacuum meter 22 data;
C. when air pressure reaches below 1Pa, computing machine 21 controls that mass-flow gas meter 11 makes zero, flowmeter 11 starts to record data and opens gauge tap 25, gas through ovennodulation enters and excavates in pipe 14, and now the soil body enters in the native case 18 of collection by excavating pipe 14 along defeated native flexible pipe 17;
D. observe and excavate movement of particles state in pipe 14 and the native case 18 of collection; In time entering the simulative lunar soil in the native case 18 of collection and obviously reduce, closing control switch 25, stops mass-flow gas meter 11 data acquisition, cuts out vacuum pump 2, the blowdown valve 7 opened on vacuum tank 1, then measure.
In this step, the weight through measuring set soil case is 4956.0g, then the quality of the simulative lunar soil collected is 3268.3g, is 6.05g by the quality of the known consumption nitrogen of mass-flow gas meter, and calculating the work efficiency of known device under this operating mode is 540;
E. adjust gaseous tension, flow, jet mode, embedded depth, the above-mentioned a-d step that circulates, until experiment terminates, is analyzed associated technical parameters according to test findings, for the lunar soil collection in design and optimization moon exploration program and excavation equipment.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (17)
1. the harvester of a lunar soil, it is characterized in that: comprise gas regulation and measurement module, lunar soil gathers, excavation and conveyor module and data acquisition and control module, described gas regulation and measurement module respectively with described data acquisition and control module and described lunar soil collection, excavation is connected with conveyor module, the control that described gas regulation and measurement module accept described data acquisition and control module is described lunar soil collection, excavation and conveyor module carry out distribution to provide power, described lunar soil collection, excavate the excavation and transport and collection that are used for lunar soil with conveyor module,
Described data acquisition and control module comprise computing machine (21), Programmable Logic Controller (23), A/D and D/A modular converter (24) and gauge tap (25), A/D and D/A modular converter (24) is inserted on Programmable Logic Controller (23); Programmable Logic Controller (23) is connected with computing machine (21) via data line; Gauge tap (25) is connected with Programmable Logic Controller (23);
Described gas regulation and measurement module comprise the gas bomb (8) be connected successively, bipolar pressure regulator valve (9), precise pressure regulating valve (10), mass-flow gas meter (11), throttling valve (12) and electromagnetic impulse valve (13), described gas bomb (8) uses as source of the gas, it is built with pressure gas, the gas pressure value that described bipolar pressure regulator valve (9) provides for coarse adjustment gas bomb (8); Described precise pressure regulating valve (10) is for finely tuning the gas pressure value modulated through bipolar pressure regulator valve (9), described mass-flow gas meter (11) is used for measuring the force value from precise pressure regulating valve (10) gas out and gas mass flow, and via data line, metrical information is transferred to computing machine (21) process; Described throttling valve (12) is used for controlling from mass-flow gas meter (11) gas flow out; Described electromagnetic impulse valve (13) is connected with Programmable Logic Controller (23) by electric wire and gauge tap (25), the Programmable Logic Controller (23) of the described A/D of being inserted with and D/A modular converter (24) controls electromagnetic impulse valve (13) and carries out impulse form, and gauge tap (25) controls the opening and closing of electromagnetic impulse valve (13);
Described lunar soil collection, excavation and conveyor module comprise excavating manages (14), collect native case (18), connect the described defeated native flexible pipe (17) and the inlet channel that excavate pipe (14) and the native case of described collection (18), described inlet channel one end is connected with described electromagnetic impulse valve (13) via flexible pipe, in order to accept the gas that described gas regulation and measurement module provide, the other end is located in described excavation pipe (14) and is thought described lunar soil collection, excavation and conveyor module carry out distribution, described defeated native flexible pipe (17) provides moving conduit for soil, the native case of described collection (18) is for collecting lunar soil,
Described lunar soil collection, excavation also comprise filtrator (19) and sack cleaner (20) to be used for being separated lunar soil and gas with conveyor module, described filtrator (19) is via being bolted on the native case of described collection (18), described sack cleaner (20) both ends open, entangles described filtrator (19) and arranges;
Described lunar soil collection, excavation is with conveyor module, described inlet channel comprises distribution hoop (16) and some draft tube (15), described distribution hoop (16) sticks to outside the tube wall of excavation pipe (14) interlude, the flexible pipe of the corresponding described connection electromagnetic impulse valve (13) in described distribution hoop (16) outside has an aperture, the corresponding described draft tube (15) in described distribution hoop (16) inner side has some apertures, described draft tube (15) is arranged along excavating pipe (14) inner tubal wall, draft tube (15) bottom is higher than 3-5cm bottom excavation pipe,
Described inlet channel comprises distribution hoop (16) and is located at some borings of excavating pipe (14) tube wall lower end, described distribution hoop (16) sticks to outside the tube wall of excavation pipe (14) lower end, the flexible pipe of the corresponding described connection electromagnetic impulse valve (13) in described distribution hoop (16) outside has an aperture, and described distribution hoop (16) the corresponding described boring in inner side has some apertures.
2. the harvester of lunar soil according to claim 1, it is characterized in that: in described gas regulation and measurement module, described precise pressure regulating valve (10), mass-flow gas meter (11), throttling valve (12), electromagnetic impulse valve (13) are equipped with quick gas coupling, four are connected successively by flexible pipe, described bipolar pressure regulator valve (9) is screwed on gas bomb (8) by screw, and the other end of precise pressure regulating valve (10) is also connected on bipolar pressure regulator valve (9) by screw.
3. the harvester of lunar soil according to claim 1, is characterized in that: in described gas regulation and measurement module, the reading duration of described mass-flow gas meter (11) is within 10ms.
4. the harvester of lunar soil according to claim 1, is characterized in that: in described gas regulation and measurement module, and described electromagnetic impulse valve (13) has the operating frequency of response time within 20ms and more than 5 times/second.
5. the harvester of lunar soil according to claim 1, it is characterized in that: described lunar soil collection, excavation are with conveyor module, and the two ends of described defeated native flexible pipe (17) are managed (14) respectively by metal card cuff and excavating and collected native case (18) and be connected.
6. the harvester of lunar soil according to claim 1, is characterized in that: in described lunar soil collection, excavation and conveyor module, and described excavation pipe (14) diameter is 2cm-20cm.
7. one kind uses the lunar soil harvester described in any one of claim 1 to 6 to carry out lunar soil analog acquisition device, it is characterized in that: comprise vacuum module and vacuum meter (22), the vacuum state of described vacuum module simulation lunar environment, described lunar soil collection, excavation and conveyor module are located in described vacuum module for the excavation of lunar soil and transport and collection, described gas regulation and measurement module respectively with described data acquisition and control module and described lunar soil collection, excavation is connected with conveyor module, the control that gas regulation and measurement module accept described data acquisition and control module is described lunar soil collection, excavation and conveyor module carry out distribution, described vacuum meter (22) is located on described vacuum module for measuring the gaseous tension in vacuum module, vacuum meter (22) is directly connected with A/D and D/A modular converter (24) by data line,
Described vacuum module comprises vacuum tank (1), vacuum pump (2), connect the corrugated tube (4) of described vacuum tank (1) and vacuum pump (2), be located at described vacuum tank (1) median septum (6), the blowdown valve (7) being fixedly connected with the guide rod (5) for adjusting dividing plate (6) height with described dividing plate (6) and being located on described vacuum tank (1), described simulative lunar soil is positioned at described dividing plate (6) below, described guide rod (5) is through the case lid of vacuum tank (1), the native case of described collection (18) and excavation pipe (14) are fixed on dividing plate (6), moving up and down of (14) is managed via guide rod (5) domination set soil case (18) and excavation, described vacuum pump (2) is by arranging gas in different speed of evacuation extracting vacuum casees (1) to simulate the vacuum environment on the moon, described vacuum meter (22) is located on vacuum tank (1) for measuring the gaseous tension in vacuum tank (1), vacuum meter (22) is directly connected with A/D and D/A modular converter (24) by data line,
Described vacuum module also comprises accurate filter (3), and described accurate filter (3) is connected via groove type clip with vacuum pump (2), is used for the moon soil particle brought out when filtering vacuum pump (2) is bled.
8. the analog acquisition device of lunar soil according to claim 7, it is characterized in that: in described vacuum module, described corrugated tube (4) two ends are provided with groove type clip, and described corrugated tube (4) is connected with vacuum tank (1) and vacuum pump (2) respectively via groove type clip.
9. the analog acquisition device of lunar soil according to claim 7, it is characterized in that: in described vacuum module, described dividing plate (6) center is provided with circular hole, described guide rod (5) tail end is provided with screw thread, described guide rod (5) inserts in described circular hole, being fixedly connected with both described guide rod (5) and described dividing plate (6) realize via nut, the upper end of described guide rod (5) is also provided with screw thread, described guide rod (5) is connected with the cover bolt of described vacuum tank (1), guide rod (5) can be moved up and down, thus drive dividing plate (6) and excavation pipe (14) to move up and down.
10. the analog acquisition device of lunar soil according to claim 7, is characterized in that: in described vacuum module, is provided with rubber seal between the case lid of described vacuum tank (1) and casing.
The analog acquisition device of 11. lunar soils according to claim 7, is characterized in that: in described vacuum module, and case lid and described guide rod (5) connection of described vacuum tank (1) are provided with rubber seal.
12. the analog acquisition device of lunar soil according to claim 7, is characterized in that: in described vacuum module, the native case of described collection (18) and excavation pipe (14) are connected and fixed on dividing plate (6) via bolt.
The analog acquisition device of 13. lunar soils according to claim 7, is characterized in that: the combination that described vacuum pump (2) is double-pole spiral pump or dry pump and lobe pump, to obtain the condition of high vacuum degree of below 1Pa.
The analog acquisition device of 14. lunar soils according to claim 7, is characterized in that: in described vacuum module, and described vacuum tank (1) is made for transparent organic glass.
The analog acquisition device of 15. lunar soils according to claim 7, is characterized in that: described accurate filter to be precision the be filtrator of more than 0.3 μm.
The analog acquisition device of 16. lunar soils according to claim 7, it is characterized in that: described vacuum meter (22) is arranged on the aperture that vacuum tank (1) case lid stays in advance, and aperture is connected by groove type clip with vacuum meter (22).
The analog acquisition device of 17. lunar soils according to claim 7, is characterized in that: the range ability of described vacuum meter (22) is 10
-3pa-10
5pa.
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| CN105004541B (en) * | 2015-06-25 | 2017-10-17 | 北京航空航天大学 | A kind of lunar surface environment analogue means for being used to simulate lunar surface drilling test |
| CN106198100B (en) * | 2016-08-01 | 2018-10-02 | 昆明理工大学 | A kind of multi-joint lunar surface material sniffing robot |
| CN111044317A (en) * | 2019-11-29 | 2020-04-21 | 北京卫星制造厂有限公司 | Gas excitation sampler suitable for celestial body |
| CN111964949B (en) * | 2020-07-03 | 2024-02-09 | 北京卫星制造厂有限公司 | Intensive lunar surface water resource extraction and sealing integrated device |
| CN113652240B (en) * | 2021-08-12 | 2022-07-15 | 北京航空航天大学 | Biological improved lunar soil and production method thereof |
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| CN101109674A (en) * | 2007-08-30 | 2008-01-23 | 北京航空航天大学 | Moon soil sampling device |
| CN201331442Y (en) * | 2008-12-19 | 2009-10-21 | 中国科学院沈阳自动化研究所 | Lunar surface sampler |
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| CN101109674A (en) * | 2007-08-30 | 2008-01-23 | 北京航空航天大学 | Moon soil sampling device |
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