141 results about "Lunar soil" patented technology

The invention relates to a lunar soil microwave heating effect evaluation method. The method comprises the following steps: establishing a microwave cavity model enclosed by a metal boundary; calculating electric field distribution of the lunar soil according to the magnetic conductivity and the complex dielectric constant of the lunar soil; a plurality of sampling bodies are arranged in the target area, and microwave energy absorbed by each sampling body is calculated according to electric field distribution of lunar soil; determining the specific heat capacity of the lunar soil along with the temperature change, and calculating the temperature change rate in each sampling body according to the microwave energy; calculating the standard deviation and the average value of the temperature change rates of all the sampling bodies, and obtaining a variable coefficient along with the temperature change; and when the temperature of the lunar soil is balanced, judging the microwave heating uniformity of the lunar soil according to the variable coefficient. In the process of analyzing the lunar soil microwave heating effect, starting from the first principle, the characteristic that the specific heat capacity of the lunar soil changes along with the temperature is considered, the physical reality that the lunar soil absorption energy changes along with the temperature in the process of converting the lunar soil absorption energy into the temperature is fitted, and the accuracy of lunar soil microwave heating effect analysis is improved.

This invention discloses an in-situ lunar regolith thermal energy storage and controllable utilization device, relating to the field of lunar surface thermal energy storage technology. The invention includes: a lunar regolith thermal storage body, formed by high-temperature melting of in-situ lunar regolith for storing thermal energy; a heat spreader plate, disposed on the lower surface of the lunar regolith thermal storage body, serving as a channel for energy exchange between the lunar regolith thermal storage body and the outside; and a heat expansion component, fixedly connected to the heat spreader plate, used to improve the heating efficiency of the lunar regolith thermal storage body during the heating process. This invention achieves efficient storage of solar energy and redundant electrical energy during lunar daytime by combining the lunar regolith thermal storage body with a high-efficiency heat expansion component, and achieves stable energy release and cascaded utilization through a controllable heat release component, thereby realizing peak shifting and valley filling of lunar surface energy in both time and space dimensions.

The invention discloses a remote high-depth-of-field LIBS self-focusing detection device for a lunar soil environment, and the device comprises a variable-curvature primary mirror which is provided with a central light through hole, and one side of the variable-curvature primary mirror is sequentially provided with a beam expanding assembly, a low-pass dichroscope, a focusing system, and a spectrometer; the multi-secondary-mirror zooming structure is arranged on the other side of the curvature-variable primary mirror; wherein the low-pass dichroscope corresponds to the transmitting end of the pulse laser; the variable-curvature primary mirror comprises a plurality of reflectors which are sequentially stacked from left to right, wherein the curvatures of the reflectors are sequentially increased. The multi-mirror zoom structure comprises a guide rail capable of rotating and axially moving; and the plurality of secondary mirrors with different curvature radiuses are sequentially arranged on the guide rail through the electronic clutch, and the secondary mirrors can diverge and reflect the light beams. According to the invention, the super-large depth of field with the axial depth of 1.5 cm is constructed by using the variable-curvature primary mirror, and the large-range coverage of the full life cycle area of the expanded plasma is realized.

This application discloses an integrated intelligent control system for heat storage and extraction used in a lunar base, relating to the field of energy and temperature control technology for lunar bases. The system includes: a linear Fresnel heat collection subsystem, a water-ice-sintered lunar soil composite heat storage subsystem, and a temperature control subsystem. The linear Fresnel heat collection subsystem collects solar energy and converts it into heat energy. The water-ice-sintered lunar soil composite heat storage subsystem stores and releases heat energy through a water-ice energy storage medium. The temperature control subsystem adjusts the heat collection state of the linear Fresnel heat collection subsystem and the heat extraction rate of the water-ice-sintered lunar soil composite heat storage subsystem according to the light intensity and cabin temperature, thereby maintaining the cabin temperature of the enclosed compartments in the lunar base within a preset temperature range. This application can achieve stable temperature maintenance of the living and working compartments for astronauts in the lunar base within a comfortable range, reduce dependence on Earth-Moon transportation, improve the system's economy and reliability, and ensure the feasibility of long-term stays in the lunar base.

The invention discloses a thermal performance analysis method for a protective layer of a lunar base and a protective layer structure. The method comprises the following steps: establishing a thermal balance equation including solar radiation, lunar internal heat, non-blackbody radiation and lunar albedo radiation; performing thermal analysis based on a heat transfer theory basic theory equation and a heat balance equation to obtain a thermodynamic micro-equation of the lunar surface and the protective layer; solving the obtained thermodynamic micro-equation to obtain temperature field distribution; determining the relationship between the lunar soil protective layer thickness and temperature fluctuation based on finite element analysis; and determining the thickness of the lunar soil protective layer based on the relationship between the thickness of the lunar soil protective layer and temperature fluctuation, and constructing the protective layer based on the determined thickness of the lunar soil protective layer. By adopting the method and the protective layer, the protective capability of the protective layer structure is improved.

The invention discloses an in-situ lunar soil microwave regular sintering device based on microwave heating, starting from the properties of lunar soil, since the lunar soil contains a high dielectric loss component with a considerable proportion, the lunar soil has high-efficiency absorption capability on microwaves, and the microwaves are utilized to realize high-efficiency heating and regular forming of the lunar soil. The penetrating type heating of the lunar soil is realized by adopting microwaves, the efficient temperature rise, melting and sintering of the lunar soil can be realized, and the device can adapt to the change of the particle size and component of the lunar soil at different sampling points and has practicability. A multi-mode resonant cavity heating system can greatly improve the electric field intensity in the lunar soil so as to efficiently heat the lunar soil, meanwhile, the capability utilization rate can be improved, and thousand-DEG C heating and melting of the lunar soil under hundred-watt-level power consumption are achieved. The medium mold is arranged in the heating cavity, the lunar soil heating uniformity is improved by constructing the preceding-stage homogenizing cavity, the non-silicon-based medium mold can achieve constrained shaping of lunar soil sintering and smooth demolding of the sintered body, then preparation of the regular lunar soil sintered body is achieved, and the requirement for large-scale preparation of building base materials of lunar station building is met.

The invention belongs to the technical field of forming equipment, and particularly relates to an additive-free lunar soil continuous forming device. The additive-free lunar soil continuous forming device comprises a box body, a double-shaft platform, a heat insulation ceramic plate, a heat insulation ceramic cylinder, an induction coil, a crucible, a plunger and a feeding pipe. The box body has an inner cavity. The double-shaft platform is installed in the inner cavity and located at the bottom of the box body. The heat insulation ceramic plate is installed on the double-shaft platform. The heat insulation ceramic cylinder is installed in the inner cavity. And the induction coil is wound on the peripheral surface of the heat insulation ceramic cylinder. The crucible is coaxially installed in the heat insulation ceramic cylinder, a nozzle is arranged at the bottom of the crucible, and the nozzle is located above the heat insulation ceramic plate and used for spraying lunar soil onto the heat insulation ceramic plate. One end of the plunger is slidably arranged in the crucible, and the other end extends out of the inner cavity. One end of the feeding pipe extends out of the inner cavity, and the other end is close to the top of the crucible; the embodiment of the invention provides an additive-free lunar soil continuous forming device which can facilitate lunar soil and can realize continuous forming of the lunar soil without an additional adhesive or additive.

The invention discloses a small vacuum low-temperature water loss calibration test system and a test method, relates to the field of aerospace, and solves the problem that the loss amount of water and ice in lunar soil cannot be measured in the lunar surface sampling process of a sampling device. A sampling device of the quantitative sampling unit is arranged in a vacuum tank; the low-temperature vacuum environment creating unit comprises a low-temperature environment creating unit and a vacuum environment creating unit; a hollow liquid nitrogen tank of the low-temperature environment creating unit is arranged in a vacuum tank, a lunar soil tank is arranged in the hollow liquid nitrogen tank, and a sampling device samples lunar soil in the lunar soil tank; the vacuum environment creating unit is communicated with the vacuum tank; the induction heating extraction unit is communicated with the vacuum tank, and the collected lunar soil is fed into the induction heating extraction unit to be heated. The lunar soil water-ice sampling task under different sampling regulations and environmental conditions can be completed, the water-ice loss amount in the sampling process under different sampling regulations and environmental conditions can be accurately marked, and the water-ice content in the lunar surface in-situ lunar soil can be accurately measured subsequently.

The invention discloses an autonomous control method for lunar soil water ice drilling and mining, which comprises the following steps of: judging modes in sequence: judging a drilling mode which should be used at present according to the states of a rotary motor and a feed motor; rotation adjustment, wherein the starting time and the rotation speed of a rotation motor are controlled based on the current drilling mode and the current drilling progress; feeding adjustment is conducted, specifically, based on the current drilling mode and the drilling progress, the starting time of a feeding motor is controlled, and the feeding speed is controlled according to the drilling pressure variance and the rotation torque variance; impact adjustment: when the drilling mode is judged to be the water-containing lunar soil breakthrough mode, the impact frequency is adjusted according to the feeding speed; and when the drilling mode is judged to be the drilling blocking mode, the drilling tool assembly is made to be separated from the drilling blocking mode. According to the invention, lunar water-ice sampling can be completed under the conditions of environment deep hypothermia characteristics, target high-fidelity sampling requirements and low counterforce constraints, and the water-ice drilling requirements of the polar region of the lunar are met.

The application discloses a high-solid-content simulated moon soil paste with excellent rheological and retention characteristics and a preparation method thereof. The high-solid-content simulated moon soil paste comprises a premixed liquid and a simulated moon soil powder, and the weight ratio of the premixed liquid to the simulated moon soil powder is 1:(78-82). The premixed liquid comprises 90-95 parts of photosensitive resin, 5-10 parts of wetting dispersant, 3-5 parts of water, 3-5 parts of defoaming agent and 1-5 parts of photoinitiator. The high-solid-content simulated moon soil paste is based on the emulsification principle of two mutually insoluble liquids, a certain proportion of aqueous solution is introduced, under the action of the wetting dispersant, the water and the resin interface form a directional molecular layer and are emulsified to reduce the surface tension, according to the Gibbs adsorption formula, the problem that the high solid phase is difficult to reduce the viscosity is better solved, and in combination with the SLA photocuring technology, the photocuring printing of the simulated moon soil paste with the solid content of 62vol% is realized.

The invention discloses a dynamic monitoring device for thermal vacuum bearing performance of a lunar soil forming part and a crack analysis method, relates to the technical field of aerospace engineering and defect detection, and solves the problems that detection equipment cannot simulate and adapt to lunar surface vacuum and high and low temperature environments, and is too large in size, low in integration level, single in detection index and small in number of objects detected at a time. The device comprises a rack system, a plurality of loading systems, a sample table system and a camera system, the loading systems and the sample table system are arranged in a vacuum tank of the rack system and connected with the rack system, a sample is placed on the sample table system, the loading systems load the sample, and the camera system monitors the sample loading process. According to the invention, the stress-strain and surface crack characteristics of the lunar soil brick are measured through uniaxial compression, so that high-throughput test evaluation of the lunar soil brick is realized; by simulating the high and low temperature environment of the lunar surface on the ground and measuring the mechanical and crack characteristics of the lunar soil brick under pressurization, the blank of mechanical test of the lunar soil brick by simulating the lunar surface environment on the ground is filled.

The invention discloses a manned lunar vehicle elastic wheel traction performance rapid evaluation method and device, and the method comprises the steps: building a virtual lunar soil model based on a discrete element method, and obtaining the ground mechanics parameters of the interaction of lunar soil and wheels through a virtual pressing plate test and a virtual shear test; on the basis of the terramechanics parameters and the wheel parameters, the wheel soil acting force is calculated through an improved semi-empirical model, so that the traction performance of the wheels is evaluated; solving a wheel soil contact parameter by adopting an iteration mode, and evaluating the traction performance of the wheel according to the calculated wheel soil acting force; wherein the improved semi-empirical model divides the contact area of the wheel and the lunar soil into an elastic contact area with elastic deformation and a rigid contact area without deformation, the wheel soil acting force in the two areas is calculated respectively, and the wheel structure parameters and the lunar soil parameters are analyzed in a simulation mode according to the wheel structure parameters and the lunar soil parameters. And the traction performance such as hook traction force, rolling resistance and rolling efficiency of the elastic wheel can be quickly calculated.

The invention provides a lunar surface drilling method based on a high-energy electron beam technology, which comprises the following steps of: adopting a high-energy electron beam as a non-contact heat knife, melting lunar soil in situ through annular or conical cutting, and condensing to form a high-strength vitrification lining internally packaged with a lunar soil sample; the high-strength vitrification lining is used as an in-situ generated vitrification sleeve to tightly wrap and solidify the lunar soil sample which is not influenced by heat inside to form a lunar soil sample monomer protected by the high-strength vitrification lining, so that in-situ packaging of the lunar soil sample is realized. The invention relates to a lunar surface drilling and in-situ packaging sampling method based on a high-energy electron beam technology, in particular to a method for drilling, sampling and melting hole forming on the surface of the moon by using the high-energy electron beam technology, which is suitable for scientific detection of the moon, in-situ resource utilization and base construction. And more technical means are provided for detection and exploitation of lunar mineral resources.

This invention relates to the field of extraterrestrial in-situ resource utilization technology, and particularly to a millimeter-wave vacuum lunar soil sintering apparatus and control method. The apparatus includes a vacuum chamber module, a sample support platform, a millimeter-wave feed module, and a densification monitoring module. The vacuum chamber module has a viewing window. The sample support platform is located inside the vacuum chamber, and its support portion is made of a transparent material. The output end of the millimeter-wave feed module faces the sample support platform. The densification monitoring module is located outside the vacuum chamber, and its acquisition end obtains the sample height change through the viewing window and the support portion. By real-time acquisition of temperature distribution, reflected power, and sample height change, the control module dynamically adjusts the millimeter-wave output power and sample spatial position, and determines the sintering endpoint based on the height change rate. This invention achieves synchronous monitoring and closed-loop control of the temperature field and densification state during vacuum millimeter-wave sintering, significantly improving the uniformity of lunar soil sintering and the consistency of product density.

The invention discloses a lunar soil fiber aerogel composite thermal insulation material as well as a preparation method and application thereof. The lunar soil fiber aerogel composite thermal insulation material is prepared by the following steps: mixing lunar soil fibers and silica gel, gelatinizing, drying to obtain an aerogel matrix, coating a silicon-based binder on the surface of the aerogel matrix, and curing, so as to obtain the lunar soil fiber aerogel composite thermal insulation material. Wherein the aerogel matrix is prepared from the following components in parts by weight: 15 to 30 parts of lunar soil fiber and 65 to 85 parts of silica sol; the lunar soil fibers are continuous fibers prepared by taking lunar soil as a raw material, and the silica sol is prepared from a lunar soil silicon source. The material is low in heat conductivity coefficient, high in compressive strength, small in heat conductivity change rate after extreme temperature difference circulation and high in radiation shielding efficiency. According to the method, efficient conversion of lunar in-situ resources is achieved, earth-moon transportation cost is reduced, and the method is suitable for lunar base building heat insulation structures and has important aerospace application value.

The present application relates to the technical field of aerospace equipment, in particular to a lunar soil penetration probe, comprising: a shell, a plurality of load cabins are sequentially arranged along the axial direction of the shell; a multi-stage buffer and vibration isolation structure is arranged in the shell and located between two adjacent load cabins, the multi-stage buffer and vibration isolation structure can reduce the axial and radial vibration of the plurality of load cabins; a solid boost rocket is arranged at one end of the shell, and an expandable antenna is arranged at the end of the solid boost rocket; a penetration cap is arranged at the other end of the shell. The multi-stage buffer and vibration isolation structure can effectively attenuate and absorb high-frequency impact signals in the penetration impact overload, that is, most of the high-frequency sharp pulse burr signals caused by the resonance of the lunar soil penetration probe can be effectively filtered out, and the damage caused by the high-frequency burr pulse overload to the scientific load is effectively reduced.

The invention discloses a device and a method for improving the microwave mining efficiency of moon water ice, and belongs to the technical field of in-situ mining of extraterrestrial water ice. The device comprises a multifunctional drilling unit, an air pressure reconstruction unit, a multifunctional heating unit and a moisture collection and storage unit, the multifunctional drilling unit is used for drilling frozen lunar soil, and the multifunctional drilling unit is further used for providing a sealed environment for the frozen lunar soil extracted through drilling; the air pressure reconstruction unit is used for setting a pressure environment for frozen lunar soil in the multifunctional drilling unit according to preset requirements; the multifunctional heating unit is used for heating the frozen lunar soil in the multifunctional drilling unit in a pressure environment set by the air pressure reconstruction unit, so that the frozen lunar soil in the multifunctional drilling unit generates liquid water, and ice in the frozen lunar soil is melted and vaporized by taking the liquid water as a microwave absorption and heat conduction carrier; and the water collection and storage unit is used for collecting and storing water vapor generated by melting and vaporizing ice in the frozen lunar soil in the multifunctional drilling unit.

The invention discloses a lunar soil coring dynamic process simulation method based on FEM-SPH coupling, and the method comprises the steps: building a three-dimensional geometric model of real lunar soil particles based on the scanning data of the real lunar soil particles; establishing a lunar soil discrete element model based on the three-dimensional geometric model; performing a virtual mechanical test on the lunar soil discrete element model, and calibrating lunar soil macromechanical parameters; constructing a drilling tool finite element model, and defining a contact relation between the drilling tool finite element model and the lunar soil; based on the calibrated lunar soil macromechanical parameters, establishing an SPH particle model of the lunar soil; coupling the drilling tool finite element model and the SPH particle model, and performing lunar soil coring dynamic process simulation based on the contact relationship to obtain bedding information disturbance and drilling tool sampling rate results. According to the method, accurate simulation of the dynamic process of lunar soil coring is achieved, and a sampling rate and bedding information disturbance quantitative basis is provided for optimization of drilling tool parameters and drilling working conditions.

The application discloses a lunar soil screening-static electricity conveying load device and method for lunar surface construction, mainly comprising a load frame, a first-stage vibrating screen structure, a second-stage dispersion structure, a static electricity conveying structure and a power module, and realizes in-situ screening, conveying and waste dumping integration operation of lunar soil particle raw materials; the first-stage vibrating screen structure obtains the lunar soil particle raw materials meeting the particle size requirement through the vibrating screen mode, stores the screened particles in the second-stage dispersion structure, and dumps the waste out of the device; a certain amount of particles are stored in the second-stage dispersion structure to ensure the printing continuity within a certain time, and the bottom screen mesh can ensure that the agglomerated lunar soil powder is dispersed into the static electricity conveying structure; the static electricity conveying structure controls the lunar soil particles to realize directional movement through the static electricity field, and has a certain initial speed at the outlet end of the static electricity conveying structure, so that the low lunar gravity suspension problem of the lunar soil is overcome, and the lunar soil accurately reaches the conveying target.

The application belongs to the technical field of lunar resource utilization, and specifically discloses a test platform for lunar soil water ice microwave heating, which comprises a tank body, a temperature adjusting unit, a pressure adjusting unit, a microwave heating unit, an infrared thermal imager, a lunar soil placing table, an inert gas introduction unit and a water vapor collecting unit. The temperature adjusting unit and the pressure adjusting unit are respectively used for adjusting the temperature and the pressure inside the tank body. The microwave heating unit and the infrared thermal imager are respectively used for microwave heating and infrared thermal image monitoring of the inside of the tank body. The inert gas introduction unit comprises a uniform gas outlet table arranged in the inside of the tank body and a gas supply unit connected with the uniform gas outlet table. The lunar soil placing table is arranged on the uniform gas outlet table. The water vapor collecting unit is used for collecting water vapor generated by the lunar soil sample. The test platform has a reasonable structure and can complete the test of lunar soil water ice microwave heating through ground experiments.

The invention provides a phosphorus-solubilizing synthetic microbiome as well as a preparation method and application thereof, and particularly belongs to the technical field of synthetic microbiome. The phosphorus-solubilizing synthesis microbiome comprises the following microorganisms: bacillus subtilis with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.36218, bacillus subtilis with the preservation number of CGMCC No.36218, bacillus subtilis with the preservation number of CGMCC No.36218, bacillus subtilis with The preservation number of the serratia marcescens is CGMCC (China General Microbiological Culture Collection Center) No.36217, and the preservation number of the serratia marcescens is CGMCC No.36217. And Shigella flexneri, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.36219, and the preservation number of the Shigella flexneri is CGMCC No.36219. The phosphorus-solubilizing synthetic microbiome has a phosphorus-solubilizing effect, can realize the improvement of the simulated lunar soil, particularly can be used for dissolving insoluble phosphorus in the simulated lunar soil, and can promote the growth of crops in the simulated lunar soil.

The invention discloses a preparation method of lunar soil cement clinker, and belongs to the technical field of lunar surface in-situ construction. Oxides rich in aluminum oxide and calcium oxide are separated from lunar soil through metallurgical separation methods such as metallothermic reduction, the three oxides are mixed and calcined to prepare the cement clinker with certain strength, and an optional material is provided for lunar surface base construction. In the system of the method, silicon oxide, aluminum oxide and calcium oxide rich in the lunar soil can be directly utilized to prepare the cement clinker, additional building materials from the earth are almost not needed, in-situ utilization of extraterrestrial resources can be achieved, the transportation cost from the earth to the moon is reduced, and the construction cost of a lunar base is reduced.

The invention discloses an active gas confining pressure triaxial apparatus for moon extreme environment simulation, and belongs to the technical field of extraterrestrial celestial body geomechanical testing, the active gas confining pressure triaxial apparatus comprises a base, the top surface of the base is provided with a sample base regulation and control system, the sample base regulation and control system is provided with a sample, and the top of the sample is provided with a sample footstock regulation and control system. A confining pressure cabin is arranged outside the sample, an isolation cabin is arranged on the outer side of the confining pressure cabin, a loading frame is fixedly connected to the top face of the base, a vertical loading system is arranged on the loading frame and used for applying pressure to the sample, a confining pressure air outlet system is arranged on the top of the confining pressure cabin, and a confining pressure active regulation and control system is arranged on one side of the bottom of the confining pressure cabin. A confining pressure air inlet system and a vacuum air exhaust system are arranged on the other side of the bottom of the confining pressure cabin, and a monitoring mechanism is arranged in the confining pressure cabin. According to the invention, the physical and mechanical property test of simulated lunar soil can be synchronously realized under the conditions of high vacuum and extreme temperature change.

The application provides a printing device for lunar surface structure and a printing method thereof, wherein the printing device comprises a plurality of printing mechanisms, each of which comprises a collecting assembly arranged on the lunar surface for collecting lunar soil powder, and a conveying assembly connected to the distal end of the collecting assembly; the conveying assembly is provided with a spraying assembly with a first cavity at the distal end of the collecting assembly, and a first driving assembly is arranged on the conveying assembly to drive the conveying assembly to convey the lunar soil powder into the first cavity; the spraying assembly is provided with a first opening at the distal end of the conveying assembly; a heating assembly is arranged outside the spraying assembly to heat and melt the lunar soil powder, and the obtained lunar soil melt flows out of the first opening; the lunar soil powder collected by the collecting assembly is conveyed to the spraying assembly by the first driving assembly, and the lunar soil powder is melted by the heating assembly to obtain the lunar soil melt, so that the structure can be built; the structure is built in situ on the lunar surface, the building cost is reduced and the building efficiency is improved by taking the lunar soil from the lunar surface.

According to the rock magnetism measurement method based on the ultrahigh-sensitivity three-axis magnetic field measurement device, a linearly polarized light rotation angle detection method is combined with a circularly polarized light absorption method, the ultrahigh-sensitivity three-axis magnetic field measurement device is built based on two beams of linearly polarized light and one beam of circularly polarized light, and three-axis magnetic field measurement of a rock sample to be measured can be achieved. A sample feeding system is used for controlling a sample to move in a measurement area, magnetic field responses of all measurement points of a three-axis magnetic field measurement device in the sample moving process are recorded, a machine learning model is trained through a stochastic gradient descent algorithm based on measurement data, the magnetic moment is determined through weight parameters completed through model training, and therefore measurement of the magnetism of the rock sample is achieved. A multi-channel sensor is built through the high-sensitivity magnetic field measuring device, compared with a traditional method, the magnetic field sensitivity of the device can be improved to the fT magnitude, and the substance magnetism, such as lunar soil magnetism, which is difficult to detect by a current instrument can be measured by placing a detected sample in a low-residual-magnetism environment.

The invention discloses a sintered lunar soil component manufacturing method based on two-dimensional grid controllable local heating, and belongs to the technical field of sintered lunar soil component manufacturing, and the sintered lunar soil component manufacturing method comprises the following steps: step 1, mixing and compacting a conductive fiber woven body and lunar soil to form a composite middle layer; 2, placing the composite middle layer between the sintered lunar soil blocks to form a sandwich structure, and applying pressure to enable the sintered lunar soil blocks to be in close contact with the composite middle layer; and 3, connecting an electrode with the conductive fiber woven bodies on the two sides of the composite middle layer, adjusting input direct current parameters in a low-voltage environment, and realizing connection of the sintered lunar soil blocks after power failure. According to the manufacturing method for the sintered lunar soil component based on the two-dimensional grid controllable local heating, a new thought is provided for the manufacturing problem of the complex sintered lunar soil component existing in lunar in-situ resource utilization, and the defects that an existing self-propagating connection technology is low in repeatability and continuous in harmful phase are overcome.

1. The name of the design product: the printing module of the lunar soil in-situ 3D printing system. 2. The use of the design product: display device components for science and technology exhibition halls, museums and other popular science education places. It is a demonstration terminal module of the "lunar soil in-situ 3D printing system" conceptual model, which is used to visually and visually simulate and demonstrate to the public the future technology concept of using extraterrestrial soil (such as lunar soil) as raw material to build in-situ through additive manufacturing technology. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. The bottom view is not visible in the (use) state, and the bottom view is omitted.

The invention discloses a lunar soil water ice content in-situ estimation method and provision. The method comprises the following steps: vertically deploying a penetration probe carrying a pressure sensor and a temperature sensor on the surface of lunar soil; pressing the penetration probe into lunar soil at a preset rate; in the penetration process, multi-source in-situ data vectors changing along with the depth are synchronously collected; establishing a physical mapping model of the penetration resistance of the ice-containing lunar soil and the water ice content; constructing and training a network model; carrying out fusion analysis on the physical calculation ice content and the data prediction ice content, and determining the final ice content; generating a lunar soil water ice content vertical distribution profile, and identifying the depth, thickness and reserves of an ice-containing layer; the system comprises a data acquisition module, a data acquisition module, a dual-drive calculation core module and a result output module. According to the method, the water-ice content and distribution information of the lunar soil profile can be rapidly and continuously obtained in situ, and the in-situ, high-resolution and high-confidence estimation of the water-ice content of the lunar soil is realized.

This invention relates to the field of lunar soil oxygen production technology, and discloses an automatic lunar soil-based oxygen production device and its usage method. The device includes a housing, inside which an ionization decomposition component is fixedly connected; a soil conveying mechanism is positioned above one side of the ionization decomposition component and connected to the housing; and a gas collection box is positioned on the other side of the ionization decomposition component and fixedly connected to the housing. This invention enables the entire process of lunar soil collection, oxygen production, collection, and storage in a lunar environment. During oxygen production, a folding and retractable design is used, allowing for stirring and mixing of the lunar soil during heating, improving heating efficiency and quality, and thus increasing oxygen production efficiency. It fully utilizes lunar solar energy, lunar soil materials, and the diurnal temperature range for the entire process of lunar oxygen production and storage. The equipment is simple and can be placed on a lunar rover for use as a mobile oxygen production device.

The application discloses a lunar soil water ice drilling process sample temperature rise simulation prediction method and system, belongs to the moon water ice detection and temperature field simulation technical field, wherein the method comprises the following steps: matching lunar soil characteristic parameters according to the polar lunar soil properties, and establishing a lunar soil water ice particle system according to the lunar soil characteristic parameters; acquiring the inner diameter, the outer diameter and the wall thickness of a drill rod, and the heat output and the heating power input of an instantaneous heat source, and inputting the EDEM simulation software to establish a drill theoretical temperature rise model; performing a single-tooth cutting simulation test based on the water ice particle system and the drill theoretical temperature rise model, and determining a heat source point and a heat generation energy distribution ratio; and integrating the lunar soil water ice particle system, the drill theoretical temperature rise model and the heat generation energy distribution ratio to establish a moon-land interaction discrete element temperature rise model. The method increases the simulation of heat transfer forms such as convection and thermal radiation, the established simulation model is closer to the actual situation, and then the simulation model can predict the temperature rise of the drill and the lunar soil water ice in the drilling process.