CN103344451A - Lunar soil collecting device and analogue collecting device - Google Patents
Lunar soil collecting device and analogue collecting device Download PDFInfo
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- CN103344451A CN103344451A CN2013102641392A CN201310264139A CN103344451A CN 103344451 A CN103344451 A CN 103344451A CN 2013102641392 A CN2013102641392 A CN 2013102641392A CN 201310264139 A CN201310264139 A CN 201310264139A CN 103344451 A CN103344451 A CN 103344451A
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Abstract
The invention relates to a lunar soil collecting device. The lunar soil collecting device comprises a gas adjusting and measuring module, a lunar soil collecting, excavating and conveying module, as well as a data collecting and controlling module, wherein the gas adjusting and measuring module is respectively connected with the data collecting and controlling module and the lunar soil collecting, excavating and conveying module, and used for receiving the control of the data collecting and controlling module so as to carry out gas distribution on the lunar soil collecting, excavating and conveying module, and the lunar soil collecting, excavating and conveying module is used for excavating, transporting and collecting lunar soil. The lunar soil collecting device can be used for realizing the collection of the lunar soil by utilizing the high efficiency brought about by the rapid volume expansion of a compressed gas in a high vacuum environment, meanwhile by matching the gas adjusting and measuring module with the data collecting and controlling module, the pressure, flow, frequency and duration of the gas can be accurately measured and controlled so as to provide power for the lunar soil collecting, excavating and conveying module according to the excavation requirements, and the lunar soil collecting device has the advantages of easiness in operation, high degree of automation, good repeatability and the like.
Description
Technical field
The invention belongs to lunar soil collection, excavation field in the lunar exploration engineering, 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, carrying out the upsurge of lunar exploration for the second time in the world wide.States such as Europe, Russia, Japan, India and China have announced the Lunar Probe Project of oneself in succession.China is in the subordinate phase of " Chang'e's project " lunar exploration plan at present, 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 make an inspection tour prospecting technology etc. automatically.Following phase III is mainly finished the task of lunar surface boring with sampling and Returning ball, and whole Chang'e's project plan was finished before and after 2017." China to the year two thousand fifty space development in science and technology route map " of issue in 2009, the clear and definite space exploration task of China before the year two thousand fifty namely realizes the 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 moon resource, build the lunar base, inevitably will gather, excavate and carry lunar soil.Yet owing to be subjected to 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., collection, excavation and transportation work will face very arduous challenge.The collection of lunar soil, excavation and transportation problem have become Future in China moon exploration activity and have pressed for one of bottleneck of solution.The excavation method that proposes at present both at home and abroad mainly contains three kinds of conventional gravity installation method, probing method and explosive blasting methods.Conventional equipment is limit because of the carrier rocket ability, and stock size is little, and efficient is low, and is difficult to overcome the difficult problem of the strong adsorbability of lunar soil and high frictional property, is easy to generate mechanical fault.And in the moon early development stage, underuse before the synthetic explosive of moon resource, use from the explosive of earth transportation all to have big difficulty technically and economically.Though the probing method can obtain the lunar soil of certain depth, but its efficient 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, the lunar soil harvester has utilized the pressure gas high-level efficiency that volume expands and brings rapidly in high vacuum environment, can realize the collection of lunar soil quickly and accurately, lunar soil analog acquisition device is by the high vacuum environment on the simulation moon, accurately pressure, flow, frequency and the duration of control pressure gas can be used for designing and optimize lunar soil collection and excavation equipment in the lunar exploration engineering.
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 is gathered, 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 links to each other with conveyor module, gas regulation and measurement module are accepted the described lunar soil collection of being controlled to be of described data acquisition and control module, excavation carries out distribution to provide power, described lunar soil collection with conveyor module, excavation and excavation and transportation and the collection of conveyor module for lunar soil.
Described data acquisition and control module comprise computing machine, Programmable Logic Controller, A/D and D/A modular converter and gauge tap, and A/D and D/A modular converter are inserted on the 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 comprises the gas bomb that is connected successively, bipolar pressure regulator valve, accurate voltage regulating valve, mass-flow gas meter, throttling valve and electromagnetic impulse valve with measurement module, described gas bomb uses as source of the gas, pressure gas is housed in it, and described bipolar pressure regulator valve is used for the gas pressure value that the coarse adjustment gas bomb provides; Described accurate voltage regulating valve is used for fine setting through the gas pressure value of bipolar pressure regulator valve modulation, described mass-flow gas meter is used for measuring force value and the gas mass flow of the gas that comes out from the accurate voltage regulating valve, and via data line metrical information is transferred to Computer Processing; Described throttling valve is used for controlling the gas flow that comes out from mass-flow gas meter; Described electromagnetic impulse valve is connected with Programmable Logic Controller by electric wire and gauge tap, and the Controlled by Programmable Controller electromagnetic impulse valve of the described A/D of being inserted with and D/A modular converter carries out impulse form, the switching of gauge tap control electromagnetic impulse valve.
Described lunar soil collection, excavation comprise with conveyor module excavates pipe, collects native case, is connected defeated native flexible pipe and the inlet channel of described excavation pipe and the native case of described collection, described inlet channel one end links to each other to accept the gas that described gas regulation and measurement module provide via flexible pipe with described electromagnetic impulse valve, the other end is located at and is thought on the described excavation pipe 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 used for collecting lunar soil.
In described gas regulation and the measurement module, described accurate voltage regulating valve, mass-flow gas meter, throttling valve, electromagnetic impulse valve are equipped with quick gas coupling, four connect successively by flexible pipe, described bipolar pressure regulator valve is screwed on the gas bomb by screw, and the other end of accurate voltage regulating valve also is connected on the bipolar pressure regulator valve by screw.
The reading duration of described mass-flow gas meter is in 10ms.
Described electromagnetic impulse valve has 20ms with interior response time and the operating frequency more than 5 times/second.
In described lunar soil collection, excavation and the conveyor module, described inlet channel comprises distribution hoop and some draft tube, described distribution hoop sticks to the tube wall outside of excavating the pipe interlude, the flexible pipe of the corresponding described connection electromagnetic impulse valve in the described distribution hoop outside has an aperture, the inboard corresponding described draft tube of described distribution hoop has some apertures, described draft tube arranges that along excavating the pipe inner tubal wall draft tube bottom is higher than excavates pipe bottom 3-5cm.
Or, described inlet channel comprises the distribution hoop and is located at some borings of excavating the tube wall lower end, described distribution hoop sticks to the tube wall outside of excavating the pipe lower end, the flexible pipe of the corresponding described connection electromagnetic impulse valve in the described distribution hoop outside has an aperture, and the inboard corresponding described boring of described distribution hoop has some apertures.
In described lunar soil collection, excavation and the conveyor module, the two ends of described defeated native flexible pipe are respectively by the metal clip cover and excavate pipe and collect native case and link to each other.
In described lunar soil collection, excavation and the conveyor module, described excavation pipe diameter is 2cm-20cm.
Described lunar soil collection, excavation also comprise filtrator and sack cleaner to be used for separating lunar soil and gas with conveyor module, and 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 is located at excavation and transportation and the collection that is used for lunar soil in the vacuum module with conveyor module, described gas regulation and measurement module respectively with described data acquisition and control module and described lunar soil collection, excavation links to each other with conveyor module, gas regulation and measurement module are accepted the described lunar soil collection of being controlled to be of described data acquisition and control module, excavation carries out distribution with conveyor module, described vacuum meter is located at the gaseous tension that is used on the described vacuum module measuring in the vacuum module, and vacuum meter directly links to each other with A/D and D/A modular converter by data line.
Described vacuum module comprises vacuum tank, vacuum pump, the corrugated tube that connects described vacuum tank and vacuum pump, be located at described vacuum tank median septum, fixedly connected for the guide rod of adjusting the dividing plate height with described dividing plate and be located at blowdown valve on the described vacuum tank, described simulation lunar soil is positioned at described dividing plate below, described guide rod passes described vacuum tank case lid, the native case of described collection and excavation pipe are fixed on the dividing plate, via moving up and down of the guide rod control native case of collection and excavation pipe, described vacuum pump is by arranging gas in the different speed of evacuation extracting vacuum casees with the vacuum environment in the simulates real empty van, described vacuum meter is located at the gaseous tension that is used on the vacuum tank measuring in the vacuum tank, and vacuum meter directly links to each other with A/D and D/A modular converter by data line.
In the described vacuum module, described corrugated tube two ends are provided with the plough groove type clip, and described corrugated tube is connected with vacuum pump with vacuum tank respectively via the plough groove type clip.
In the 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 the described circular hole, described guide rod is realized both fixedlying connected with described dividing plate via nut, and the upper end of described guide rod also is provided with screw thread, and described guide rod is connected with the cover bolt of described vacuum tank, make guide rod to move up and down, move up and down thereby drive dividing plate and excavate pipe.
In the described vacuum module, described vacuum pump is the combination of double-pole spiral pump or dried pump and lobe pump, to obtain the condition of high vacuum degree below the 1Pa.
In the described vacuum module, be provided with rubber seal between the case lid of described vacuum tank and the described casing.
In the described vacuum module, the case lid of described vacuum tank and described guide rod connection are provided with rubber seal.
In the described vacuum module, described vacuum tank is that transparent organic glass is made.
In the described vacuum module, the native case of described collection and excavation pipe are connected and fixed on the dividing plate via bolt.
Described vacuum module also comprises accurate filter, and described accurate filter and vacuum pump are used for filtering the moon soil particle that brings out when vacuum pump is bled via the plough groove type clamp connection.
Preferably, described accurate filter is that precision is the above filtrator of 0.3 μ m.
Described vacuum meter is installed on the aperture that the vacuum tank case lid stays in advance, and aperture and vacuum meter are by the plough groove type clamp connection.
Preferably, the range ability of described vacuum meter is 10
-3Pa-10
5Pa.
Owing to adopt such scheme, the invention has the beneficial effects as follows
Lunar soil harvester shown in the present provides a kind of gravity installation that is different from, blasting procedure, the novel collection of conventional methods such as probing method, excavation and the method for carrying lunar soil, the high-level efficiency that the present invention utilizes the rapid expansion of pressure gas volume in high vacuum environment to bring realizes the collection of lunar soil, gas regulation and measurement module and data acquisition simultaneously cooperates with control module, can measure and control the pressure of gas accurately, flow, frequency and duration are being the lunar soil collection according to the excavation demand, excavation provides power with conveyor module, have simple to operate, the automaticity height, advantages such as favorable repeatability can directly apply to the collection of lunar soil in the lunar exploration engineering, excavation and conveying.
Lunar soil analog acquisition device shown in the present obtains the low vacuum environment by vacuum module, by gas regulation and accurate pressure, flow, quality, frequency and the duration of controlling and gathering the gas that enters vacuum tank of measurement module; Insert the degree of depth of simulation lunar soil by guide rod control collection, excavation and conveying device; Record the quality of the simulation lunar soil that collects by electronic scales, can accurately measure the efficient of lunar soil harvester, can be used for designing and optimize lunar soil collection and excavation equipment in the lunar exploration engineering.
Description of drawings
Fig. 1 is the structural representation of lunar soil analog acquisition device one embodiment;
Fig. 2 is for excavating the structural representation of pipe one embodiment;
Among the 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 accurate voltage 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, the native case of 18 collection, 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
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
Among first embodiment, the invention discloses a kind of harvester of lunar soil, comprise gas regulation and measurement module, lunar soil collection, excavation and conveyor module and data acquisition and control module, gas regulation and measurement module link to each other with conveyor module with data acquisition and control module and lunar soil collection, excavation respectively, be controlled to be lunar soil collection, excavation and conveyor module that gas regulation and measurement module are accepted data acquisition and control module carry out distribution, and lunar soil collection, excavation and conveyor module are used for excavation and transportation and the collection of lunar soil.
Data acquisition and control module are responsible for gathering the switching of mass-flow gas meter 11 data in gas regulation and the measurement module and control 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 are inserted on the 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 that is inserted with A/D and D/A modular converter 24 can be controlled electromagnetic impulse valve 13 and carry out impulse form, gauge tap 25 control electromagnetism towards the switching of valve 13.
Gas regulation and measurement module and lunar soil collection, excavation are connected with excavation pipe 14 in the conveyor module, provide pressure gas after ovennodulation to excavating pipe 14 bottoms, utilize the pressure gas performance that volume expands rapidly in high vacuum environment to be used for excavating lunar soil.Gas regulation and measurement module are specifically responsible for to excavating pipe 14 and are carried out distribution and control gaseous tension and mass rate and measure its pressure, mass flow value, comprise the gas bomb 8, bipolar pressure regulator valve 9, accurate voltage regulating valve 10, mass-flow gas meter 11, throttling valve 12 and the electromagnetic impulse valve 13 that connect successively.
In the present embodiment, accurate voltage regulating valve 10, mass-flow gas meter 11, throttling valve 12, electromagnetic impulse valve 13 are equipped with quick gas coupling, four connect successively by flexible pipe, bipolar pressure regulator valve 9 is screwed on the gas bomb 8 by screw, and the other end of accurate voltage regulating valve 10 also is connected on the bipolar pressure regulator valve 9 by screw.
Wherein, the reading duration of mass-flow gas meter 11 is in 10ms; Electromagnetic impulse valve 13 has 20ms with interior response time and the operating frequency more than 5 times/second.Pressure and the fluctuations in discharge of considering the gas gas is from gas bomb 8 to the process of excavating pipe 14 are very fast, thus the reading duration of mass-flow gas meter 11 be 10ms, namely every 10ms records a secondary data, like this reading duration more short, it is more accurate to record data.The response time of electromagnetic impulse valve 13 is 20ms, namely open the gauge tap of electromagnetic impulse valve 13,20ms internal electromagnetic pulse valve 13 can be started working, and 5 times/s of operating frequency, then be to consider in the course of work of gas regulation and measurement module to need to use different impulse forms that the operating frequency of 5 times/s can be carried out the basis for considering multiple impulse form.
Lunar soil collection, excavation and conveyor module are responsible for excavation and transportation and the collection of lunar soil, comprise excavating pipe 14, the native case 18 of collection, connecting the defeated native flexible pipe 17 and the inlet channel that excavate pipe 14 and the native case 18 of collection.Excavating pipe 14 diameters is 2cm-20cm, inlet channel one end links to each other 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 link to each other with the native case 18 of collection with excavation pipe 17 by the metal clip cover respectively, defeated native flexible pipe 17 collects native case 18 and is used for collecting through excavating the lunar soil of pipe 15 excavations for soil provides moving conduit.
As shown in Figure 2, inlet channel is used for connecting lunar soil collection, excavation and conveyor module and gas regulation and measurement module, make the pressure gas of process gas regulation and measurement module modulation can effectively enter the bottom of excavating pipe 14, thereby can realize excavation and the collection of lunar soil.In the present embodiment, inlet channel comprises distribution hoop 16 and some draft tube 15, distribution hoop 16 sticks to the tube wall outside of excavating pipe 14 interludes, distribution hoop 16 outsides have an aperture, the flexible pipe that links to each other with electromagnetic impulse valve 13 is connected with distribution hoop 16 via this aperture, feasible gas through gas regulation and measurement module modulation can enter in the distribution hoop 16, distribution hoop 16 inboards have some apertures and directly link to each other with draft tube 15, in the present embodiment, in fact to be provided be 4 apertures in the inboard.Corresponding inboard 4 apertures of draft tube 15(are provided with 4 draft tube 15 altogether) evenly arrange along excavating pipe 14 inner tubal walls, draft tube 15 bottoms are higher than excavates pipe bottom 3-5cm, thereby when excavation pipe 14 inserts in the lunar soil, the pressure gas that gas regulation and measurement module provide can at the uniform velocity pass through inlet channel and enter among the lunar soil, when air pressure gas enters into vacuum environment rapid expansion excavation lunar soil, one side can drive lunar soil and enter in the native case 18 of collection along defeated native flexible pipe 17 owing to gas moves upward, owing to all being in vacuum state in defeated native flexible pipe 17 and the native case 18 of collection, because also can being pressed into, the draught head lunar soil collects in the native case 18 on the other hand.
In addition, inlet channel also can comprise distribution hoop 16 and be located at some borings of excavating on pipe 14 tube walls, distribution hoop 16 sticks to the tube wall outside of excavating pipe 14 middle parts, distribution hoop 16 outsides have an aperture, 13 flexible pipes that link to each other with electromagnetic impulse valve 13 are connected with distribution hoop 16 via this aperture, feasible gas through gas regulation and measurement module modulation can enter in the distribution hoop 16, and the 16 inboard corresponding borings of distribution hoop have some apertures, with the distribution function of realization inlet channel.
Consider when lunar soil enters the native case 18 of collection by defeated native flexible pipe 17, be doped with gas in the lunar soil, so lunar soil collection, excavation and conveyor module also be provided with filtrator 19 and sack cleaner 20 being used for separating lunar soil and gas.Filtrator 19 is via being bolted on the native case 18 of collection, and sack cleaner 20 both ends opens entangle filtrator 19.
The invention provides a kind of gravity installation that is different from, blasting procedure, the novel collection of conventional methods such as probing method, excavation and the method for carrying lunar soil, the high-level efficiency that system utilizes the rapid expansion of pressure gas volume in high vacuum environment to bring realizes the collection of lunar soil, gas regulation and measurement module and data acquisition simultaneously cooperates with control module, can measure and control the pressure of gas accurately, flow, frequency and duration are being the lunar soil collection according to the excavation demand, excavation provides power with conveyor module, have simple to operate, the automaticity height, advantages such as favorable repeatability can directly apply to the collection of lunar soil in the lunar exploration engineering, excavation and conveying.
Among second embodiment, as shown in Figure 1, the invention discloses a kind of lunar soil analog acquisition device, comprise the lunar soil harvester shown in vacuum module, vacuum meter 22 and first embodiment, lunar soil analog acquisition device has been simulated high vacuum environment on the moon, the course of work and performance to the lunar soil harvester are tested, can directly apply to collection, excavation and the conveying of lunar soil in the lunar exploration engineering, or be used for the optimization to lunar soil harvester or the collection of other lunar soil and excavation equipment.
Wherein, vacuum module is used for the simulates real dummy status, lunar soil collection, excavation and conveyor module are located at excavation and transportation and the collection that is used for lunar soil in the vacuum module, gas regulation and measurement module link to each other with conveyor module with data acquisition and control module and lunar soil collection, excavation respectively, and be controlled to be lunar soil collection, excavation and conveyor module that gas regulation and measurement module are accepted data acquisition and control module carry out distribution.
Vacuum module comprises vacuum tank 1, vacuum pump 2, connect vacuum tank 1 and vacuum pump 2 corrugated tube 4, be located at vacuum tank 1 median septum 6, fixedly connected with dividing plate 6 for adjustment dividing plate 6 highly guide rod 5 and be located at blowdown valve 7 on the vacuum tank 1.
Corrugated tube 4 two ends are provided with the plough groove type clip, and corrugated tube 4 is connected with vacuum pump 2 with vacuum tank 1 respectively via the plough groove type clip.Vacuum pump 2 has the function of frequency control, by gas in the different speed of evacuation extracting vacuum casees 1 being set with the vacuum environment of simulation on the moon.In the present embodiment, vacuum pump 2 both can be the double-pole spiral pump, also can be the combination of dried pump and lobe pump, so that obtain the following condition of high vacuum degree of 1Pa in the vacuum tank 1.Vacuum tank 1 is made for transparent organic glass, has good visuality and impermeability, is shaped as cylindric 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 and aperture are by the plough groove type clamp connection, to be used for measuring the gaseous tension in the vacuum tank 1, vacuum meter 22 directly links to each other with A/D and D/A modular converter 24 by data line, force value in the vacuum tank 1 is sent to data acquisition and control module processing, 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 after passing 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 radiuses are slightly smaller than the radius of vacuum tank 1, be positioned in the vacuum tank 1, dividing plate 6 centers are provided with circular hole, guide rod 5 is provided with screw thread with the tail end that dividing plate 6 is connected, and guide rod 5 inserts in the circular hole, and guide rod 5 is realized both fixedlying connected with dividing plate 6 via nut, the upper end of guide rod 5 also is provided with screw thread, can be screwed into a nut at screw thread place, the upper end of guide rod 5, be supported on above the case lid of vacuum tank 1 below the nut, make guide rod 5 to move up and down by twisting nut.The space of dividing plate 6 belows is provided with lunar soil again, collect native case 18 and excavate pipe 14 by bolt on dividing plate 6, thereby in simulation lunar soil collection experiment, can realize the native case 18 of collection and excavate moving up and down of pipe 14 that the degree of depth that pipe 14 inserts in the lunar soil is excavated in control by guide rod 5.
In addition, vacuum module also is provided with accurate filter 3, and accurate filter 3 and vacuum pump 2 are used for filtering the moon soil particle that brings out when vacuum pump 2 is bled via the plough groove type clamp connection, and in the present embodiment, accurate filter is that precision is the above filtrator of 0.3 μ m.
Concrete use below in conjunction with lunar soil analog acquisition device further specifies it.
Present embodiment has been realized 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 of excavating pipe 14 insertion simulation lunar soil is 500mm.Experimental procedure is as follows:
A. the collection soil case 18 that will clean out is weighed, its quality is 1687.7g, to excavate pipe 14 then, defeated native flexible pipe 17, the native case 18 of collection are fixed on the dividing plate 6, utilize guide rod 5 to put in the transparent vacuum tank 1, and will excavate pipe 14 and insert designated depth, cover the case lid of vacuum tank 1, connect vacuum pump 2 and vacuum meter 22;
B. open Programmable Logic Controller, the operation program (per second is opened and closed 0.5 second in 0.5 second) that electromagnetic impulse valve 23 will be carried out writes PLC, utilize bipolar pressure regulator valve 9, accurate voltage regulating valve 10 and throttling valve 12 that pressure and flow are transferred to 0.2MPa and 3.3L/min, 22 data acquisitions of beginning vacuum meter, start vacuum pump 2 and bleed, observe vacuum meter 22 data;
C. treat that air pressure reaches 1Pa when following, computing machine 21 control mass-flow gas meters 11 make zero, flowmeter 11 opening entry data and open gauge tap 25, gas through ovennodulation enters in the excavation pipe 14, and this moment, the soil body entered in the native case 18 of collection by excavating the defeated native flexible pipe 17 in pipe 14 edges;
D. observe the movement of particles state in pipe 14 and the native case 18 of collection that excavates; When waiting to enter simulation lunar soil in the native case 18 of collection and obviously reducing, closing control switch 25 stops mass-flow gas meter 11 data acquisitions, cuts out vacuum pump 2, opens the blowdown valve 7 on the vacuum tank 1, measures then.
In this step, the weight through measuring the native case of collection is 4956.0g, and the quality of the simulation lunar soil that then collects is 3268.3g, and the quality that is consumed nitrogen by mass-flow gas meter as can be known is 6.05g, and calculating as can be known, the work efficiency of this device under this operating mode is 540;
E. adjust gaseous tension, flow, jet mode, embedded depth, the above-mentioned a-d step that circulates finishes until experiment, according to test findings the correlation technique parameter is analyzed, to be used for lunar soil collection and the excavation equipment of design and optimization lunar exploration engineering.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. the harvester of a lunar soil, it is characterized in that: comprise gas regulation and measurement module, lunar soil is gathered, 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 links to each other with conveyor module, described gas regulation and measurement module are accepted the described lunar soil collection of being controlled to be of described data acquisition and control module, excavation carries out distribution to provide power, described lunar soil collection with conveyor module, excavation and excavation and transportation and the collection of conveyor module for lunar soil.
2. the harvester of lunar soil according to claim 1, it is characterized in that: 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), and A/D and D/A modular converter (24) are inserted on the 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).
3. the harvester of lunar soil according to claim 2, it is characterized in that: described gas regulation comprises the gas bomb (8) that is connected successively, bipolar pressure regulator valve (9), accurate voltage regulating valve (10), mass-flow gas meter (11), throttling valve (12) and electromagnetic impulse valve (13) with measurement module, described gas bomb (8) uses as source of the gas, pressure gas is housed in it, and described bipolar pressure regulator valve (9) is used for the gas pressure value that coarse adjustment gas bomb (8) provides; Described accurate voltage regulating valve (10) is used for fine setting through the gas pressure value of bipolar pressure regulator valve (9) modulation, described mass-flow gas meter (11) is used for measuring force value and the gas mass flow of the gas that comes out from accurate voltage regulating valve (10), and via data line metrical information is transferred to computing machine (21) and handles; Described throttling valve (12) is used for the gas flow that control is come out from mass-flow gas meter (11); Described electromagnetic impulse valve (13) is connected with Programmable Logic Controller (23) by electric wire and gauge tap (25), Programmable Logic Controller (23) the control electromagnetic impulse valve (13) of the described A/D of being inserted with and D/A modular converter (24) carries out impulse form, the switching of gauge tap (25) control electromagnetic impulse valve (13).
4. the harvester of lunar soil according to claim 3, it is characterized in that: described lunar soil collection, excavation comprises excavating with conveyor module manages (14), collect native case (18), the defeated native flexible pipe (17) and the inlet channel that connect described excavation pipe (14) and the native case of described collection (18), described inlet channel one end links to each other 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 at and is thought described lunar soil collection on the described excavation pipe (14), excavation carries out distribution with conveyor module, described defeated native flexible pipe (17) is for soil provides moving conduit, and described collection soil case (18) is used for collecting lunar soil.
5. the harvester of lunar soil according to claim 3, it is characterized in that: in described gas regulation and the measurement module, described accurate voltage regulating valve (10), mass-flow gas meter (11), throttling valve (12), electromagnetic impulse valve (13) are equipped with quick gas coupling, four connect successively by flexible pipe, described bipolar pressure regulator valve (9) is screwed on the gas bomb (8) by screw, and the other end of accurate voltage regulating valve (10) also is connected on the bipolar pressure regulator valve (9) by screw;
Or preferred, in described gas regulation and the measurement module, the reading duration of described mass-flow gas meter (11) is in 10ms;
Or preferred, in described gas regulation and the measurement module, described electromagnetic impulse valve (13) has 20ms with interior response time and the operating frequency more than 5 times/second.
6. lunar soil harvester according to claim 4, it is characterized in that: described lunar soil collection, in excavation and the conveyor module, described inlet channel comprises distribution hoop (16) and some draft tube (15), described distribution hoop (16) sticks to the tube wall outside of excavating pipe (14) interlude, the flexible pipe of described distribution hoop (16) the corresponding described connection electromagnetic impulse valve in the outside (13) has an aperture, the inboard corresponding described draft tube of described distribution hoop (16) (15) has some apertures, described draft tube (15) arranges that along excavating pipe (14) inner tubal wall draft tube (15) bottom is higher than excavates pipe bottom 3-5cm;
Or, 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 the tube wall outside of excavating pipe (14) lower end, the flexible pipe of described distribution hoop (16) the corresponding described connection electromagnetic impulse valve in the outside (13) has an aperture, and the inboard corresponding described boring of described distribution hoop (16) has some apertures;
Or preferred, in described lunar soil collection, excavation and the conveyor module, the two ends of described defeated native flexible pipe (17) link to each other with the native case of collection (18) with excavation pipe (17) by the metal clip cover respectively;
Or preferred, in described lunar soil collection, excavation and the conveyor module, described excavation pipe (14) diameter is 2cm-20cm;
Or, preferably, described lunar soil collection, excavation comprise also that with conveyor module filtrator (19) and sack cleaner (20) are to be used for separating lunar soil and gas, 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) setting.
7. a right to use requires 1 to 6 each described lunar soil harvester 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 is located at excavation and transportation and the collection that is used for lunar soil in the described vacuum module with conveyor module, described gas regulation and measurement module respectively with described data acquisition and control module and described lunar soil collection, excavation links to each other with conveyor module, gas regulation and measurement module are accepted the described lunar soil collection of being controlled to be of described data acquisition and control module, excavation carries out distribution with conveyor module, described vacuum meter (22) is located at the gaseous tension that is used on the described vacuum module measuring in the vacuum module, and vacuum meter (22) directly links to each other with A/D and D/A modular converter (24) by data line.
8. the analog acquisition device of lunar soil according to claim 7, it is characterized in that: described vacuum module comprises vacuum tank (1), vacuum pump (2), the corrugated tube (4) that connects described vacuum tank (1) and vacuum pump (2), be located at described vacuum tank (1) median septum (6), fixedly connected for the guide rod (5) of adjusting dividing plate (6) height with described dividing plate (6) and be located at blowdown valve (7) on the described vacuum tank (1), described simulation lunar soil is positioned at described dividing plate (6) below, described guide rod (5) passes the case lid of vacuum tank (1), the native case of described collection (18) and excavation pipe (14) are fixed on the dividing plate (6), via moving up and down of guide rod (5) control collection native case (18) and excavation pipe (14), described vacuum pump (2) is by arranging gas in the different speed of evacuation extracting vacuum casees (1) with the vacuum environment of simulation on the moon, described vacuum meter (22) is located at vacuum tank (1) and is gone up the gaseous tension that is used for measuring in the vacuum tank (1), and vacuum meter (22) directly links to each other with A/D and D/A modular converter (24) by data line.
9. the analog acquisition device of lunar soil according to claim 8, it is characterized in that: in the described vacuum module, described corrugated tube (4) two ends are provided with the plough groove type clip, and described corrugated tube (4) is connected with vacuum pump (2) with vacuum tank (1) respectively via the plough groove type clip;
Or, preferably, in the 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 the described circular hole, described guide rod (5) is realized both fixedlying connected with described dividing plate (6) via nut, the upper end of described guide rod (5) also is provided with screw thread, described guide rod (5) is connected with the cover bolt of described vacuum tank (1), make guide rod (5) to move up and down, move up and down thereby drive dividing plate (6) and excavate pipe (14);
Or, preferred, in the described vacuum module, be provided with rubber seal between the case lid of described vacuum tank (1) and the described casing;
Or preferred, in the described vacuum module, the case lid of described vacuum tank (1) and described guide rod (5) connection are provided with rubber seal;
Or preferred, in the described vacuum module, the native case of described collection (18) and excavation pipe (14) are connected and fixed on the dividing plate (6) via bolt;
Or preferred, described vacuum pump (2) is the combination of double-pole spiral pump or dried pump and lobe pump, to obtain the condition of high vacuum degree below the 1Pa;
Or preferred, in the described vacuum module, described vacuum tank (1) is made for transparent organic glass;
Or preferred, described vacuum module also comprises accurate filter (3), and described accurate filter (3) and vacuum pump (2) are used for filtering the moon soil particle that vacuum pump (2) brings out when bleeding via the plough groove type clamp connection; Wherein, described accurate filter further is that precision is the above filtrator of 0.3 μ m.
10. the analog acquisition device of lunar soil according to claim 7 is characterized in that: described vacuum meter (22) is installed on the aperture that vacuum tank (1) case lid stays in advance, and aperture and vacuum meter (22) are by the plough groove type clamp connection;
Or preferred, the range ability of described vacuum meter (22) is 10
-3Pa-10
5Pa.
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| CN111964949A (en) * | 2020-07-03 | 2020-11-20 | 北京卫星制造厂有限公司 | Intensive lunar surface water resource extraction and sealing integrated device |
| CN113652240A (en) * | 2021-08-12 | 2021-11-16 | 北京航空航天大学 | Biological improved lunar soil and production method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105004541A (en) * | 2015-06-25 | 2015-10-28 | 北京航空航天大学 | Selenographic environment simulation device used for simulating selenographic drilling test |
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| 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 |
| CN111964949A (en) * | 2020-07-03 | 2020-11-20 | 北京卫星制造厂有限公司 | Intensive lunar surface water resource extraction and sealing integrated device |
| 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 |
| CN113652240A (en) * | 2021-08-12 | 2021-11-16 | 北京航空航天大学 | Biological improved lunar soil and production method thereof |
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