72 results about "Moisture diffusion" patented technology

The invention relates to the technical field of intelligent irrigation, in particular to an intelligent watering control method and system for agricultural production, and the method comprises the steps: data collection, global data reconstruction, soil moisture content prediction, watering strategy optimization, sensor layout optimization, control execution and model updating. In the prior art, a pure mathematical method is generally adopted to calculate global humidity from sparse point data, and multi-dimensional environment information cannot be effectively fused, so that the reconstruction precision is limited and the physical credibility is insufficient; a physical information enhanced confrontation generation network is adopted to carry out global perception, sparse measurement values, geographic coordinates and real-time environment data are fused into conditional tensors to be input into a generator, and training is guided by forcing sensor data consistency in a loss function and introducing moisture diffusion physical constraints; the method can generate a high-resolution and physically reasonable global soil humidity distribution diagram, and significantly improves the reconstruction precision and reliability from sparse points to planar information in a complex farmland environment.

The utility model discloses a pre-treatment promoting device for fruits with waxy epidermis, which adopts a cold plasma jet device to release jet cold plasma to an objective table, so as to change charge distribution on the waxy epidermis surface by using a variable electric field and generated free radicals and free electrons in the discharge process of the jet cold plasma. Meanwhile, due to the etching effect of jet flow cold plasma treatment, wax on the epidermis of the fruits with wax on the epidermis is broken, a new moisture diffusion channel is formed, and therefore the diffusion rate and quality of the moisture of the fruits in the drying process are improved. The device is suitable for pre-treatment of fruits with waxy epidermis, has the advantages of rapid and efficient dehydration and drying and continuous drying promotion treatment of the fruits, is simple and convenient to operate, mild in condition, green and safe, remarkable in drying promotion effect, high in treatment speed and more environment-friendly, gets rid of dependence of dipping and drying promotion by using a chemical drying promoter at present, and has a wide application prospect. The drying quality and the eating safety of the fruits with waxy epidermis are improved.

The invention discloses an anti-condensation method for a closed cavity with a ventilation valve, and the method comprises the following steps: setting a plurality of measurement points in the closed cavity to obtain a moisture diffusion coefficient of each measurement point in the closed cavity, and fitting to obtain an influence function of temperature, humidity and a humidity adjusting material on the moisture diffusion coefficient; according to the moisture diffusion coefficient and each influence function, constructing a simulation model to simulate the distribution of moisture in the closed cavity; acquiring internal temperature and humidity and external environment information of the closed cavity; obtaining condensation conditions according to the internal temperature, humidity and external environment information of the closed cavity in combination with a moisture diffusion coefficient; and according to the moisture distribution and condensation conditions in combination with the simulation model, obtaining the use amount and position distribution of the anti-condensation humidity adjusting material. Condensation prevention of the closed cavity with the ventilation valve is achieved.

The invention discloses a method, a system, a medium and equipment for simulating moisture transverse diffusion of a damaged cable, and the method comprises the steps: obtaining the water absorption data of a cable material, and determining the humidity environment of an area where the cable is placed; according to the water absorption data of different materials, utilizing a Fick first law moisture diffusion model to calculate the moisture diffusion coefficient of each material in the humidity environment; constructing a moisture diffusion simulation model of the cable, and setting the moisture concentration of the damaged interface of the outer sheath of the cable as a boundary condition; simulating a diffusion process that water transversely diffuses into the cable from the damaged part of the outer sheath along with time when the cable is in a humidity environment; a section and a boundary probe are arranged according to a simulation result, and water absorption weight increment is obtained through simulation. Through the technical scheme of the invention, real-time monitoring and prediction of dynamic change of moisture in the cable can be realized, and technical support is provided for maintenance and fault prevention of the cable, so that potential damage to the cable is avoided.

The application relates to the technical field of coal mine safety, and provides a coal spontaneous combustion behavior evolution method and system under multi-physical field coupling. The temperature field of coal body spontaneous combustion changes the volume by affecting the deformation amount, the porosity of the coal body is calculated through the volume, and then the thermal deformation is driven; the thermal deformation influences the water diffusion through the porosity, the residual moisture saturation of the coal body and the liquid phase saturation, and then the water migration is driven in combination with the evaporation rate and the liquid phase saturation; the water migration drives the heat transfer in combination with the evaporation rate, the effective thermal conductivity and the coal oxidation reaction rate, a cycle of "heat transfer-thermal deformation-water-heat transfer" is formed, the "heat-force-water-heat" coupling closed loop during the coal body spontaneous combustion is realized, the two-way coupling of the seepage field, the temperature field and the mechanical field is realized, and the problem that the prediction is inaccurate due to the neglect of thermodynamic deformation and dynamic changes of pores in a traditional model is effectively solved.

The present application relates to the technical field of high-moisture organic solid waste drying, and particularly relates to a drying method of high-moisture organic solid waste. The technical scheme can provide carbon source for target bacteria, support water diffusion channels between solid waste blocks formed by high-moisture organic solid waste, diffuse non-bound water surrounded by multiple solid waste blocks from the water diffusion channels, degrade organic matters in the high-moisture organic solid waste, increase porosity and specific surface area of the high-moisture organic solid waste, and keep the temperature of the sunlight shed and the temperature of the target mixture in the drying process below 50 DEG C, which can ensure good living conditions of the target bacteria and reduce the risk of dust explosion caused by the increase of dust concentration in the late drying period due to the introduction of target organic matter. The target mixture receives sunlight radiation, continuously turns over and is driven by a fan, so as to realize drying of the high-moisture organic solid waste.

The utility model relates to the technical field of packaging equipment, and particularly discloses a press of a paper mounting machine. Comprising a belt conveying line, a press machine support, an upper conveying belt, pressing rollers, swing arms and tensioning devices, the press machine support is fixedly arranged above the belt conveying line, the multiple pressing rollers are arranged between two longitudinal beams of the press machine support in a swinging mode, and the tensioning devices are arranged between the two ends of each pressing roller and a rack of the belt conveying line; the tensioning device is arranged between the pressing roller and the belt conveying line, extra downward pressure is provided for the pressing roller, the pressure on paperboards is larger, the attaching firmness degree of surface paper can be improved, the upper conveying belt is of a net-shaped structure, moisture in glue can be diffused into the environment, drying and curing of the glue are facilitated, the probability that the surface paper is not tightly attached is reduced, and the service life of the surface paper is prolonged. And the yield is improved.

The application relates to the technical field of coating life prediction. A magnesium alloy protective coating life prediction method, device, equipment and medium are provided. The method comprises the following steps: acquiring coating parameters and corrosion medium parameters; based on a pre-set coating moisture diffusion model, the diffusion time of moisture in the coating is calculated according to the coating parameters and the corrosion medium parameters; based on a pre-set coating adhesion decay model and a corrosion hydrogen evolution induced additional stress increase model, the coating failure time is determined according to the coating parameters and the corrosion medium parameters; and the coating predicted life is calculated according to the diffusion time of moisture in the coating and the coating failure time. Based on the in-depth understanding of the magnesium alloy corrosion process and the full understanding of the organization and performance evolution law of the coating failure process, the magnesium alloy protective coating life can be accurately and quickly predicted.

The application relates to the technical field of refractory material preparation, and particularly discloses an energy-saving segmented gradient low-temperature drying method for refractory materials and a control system thereof. The drying method comprises five sequentially connected continuous steps of system initialization, surface free water pre-removal, internal moisture diffusion strengthening, moisture content gradient buffer balance and deep dehydration standard reaching, the whole process takes the water vapor partial pressure difference as the core dehydration driving force, and a control mode of reverse linkage of cavity temperature and environmental absolute humidity is adopted. The control system matched with the drying method comprises a sensing layer, an execution layer and a PLC control layer, and is provided with a built-in double-closed-loop linkage control module, so that automatic closed-loop management and control of the whole drying process can be accurately realized. The application can be used for drying treatment of various industrial shaped and unshaped refractory material blanks, efficient dehydration can be realized in a low-temperature environment, the comprehensive energy consumption of drying is significantly reduced, defects such as blank crust and cracking are effectively avoided, and the product quality and batch stability are ensured.

The invention relates to the technical field of agricultural product drying, discloses agricultural product dynamic drying equipment based on intelligent temperature and humidity regulation and control, and aims to overcome the defects that in the prior art, agricultural products are not prone to being accurately and rapidly dried, and drying energy consumption is large. Through linkage of the air conditioning unit, the PTC heater and the multi-point temperature and humidity sensor, a three-stage dynamic drying mode is constructed, the drying requirements of different agricultural products can be accurately met, rapid temperature rise in the initial stage and efficient dehumidification in the middle stage are guaranteed, cracking of the agricultural products is avoided through humidification regulation and control in the cooling stage, meanwhile, air conditioning condensate water is recycled for humidification, and the energy consumption is reduced. The water resource utilization rate is obviously improved; the gear motor drives the disc to drive the goods shelf to rotate, and the reciprocating mechanism and the scraping assembly are matched for reciprocating movement and vibration, so that uniform turning and global moisture content real-time monitoring of agricultural products are achieved, hot airflow rotational flow and moisture diffusion are effectively promoted, and drying uniformity and efficiency are improved.

The application discloses a shield tail sealing grease cavity real-time detection system, and belongs to the technical field of shield construction monitoring, which comprises a multi-physical field monitoring module and an intelligent early warning analysis module, wherein the multi-physical field monitoring module comprises a pressure difference monitoring unit and a moisture monitoring unit, and the intelligent early warning analysis module comprises an edge data processing unit and a risk assessment unit; the pressure difference monitoring unit collects grease pressure data in the grease cavity and external environment water pressure data, establishes a pressure difference dynamic model and generates a pressure difference space-time distribution atlas, and marks a high-risk leakage area through abnormal identification and pressure calculation; the moisture monitoring unit generates a moisture intrusion path atlas in combination with a constructed moisture diffusion model and a three-dimensional coordinate system, and marks a potential leakage area; the edge data processing unit extracts dynamic characteristics, the risk assessment unit outputs a leakage risk grade through Bayesian network fusion analysis, and triggers a secondary early warning when triple abnormalities are detected, so that real-time and accurate monitoring and early warning of grease cavity leakage are realized.

The invention discloses an expansive soil slope hydrothermal control active area identification method. The method comprises the following steps: acquiring a vertical deformation time sequence of each pixel of a target area and a rainfall time sequence of a corresponding time period; processing the two groups of time sequences, and extracting periodic response characteristics representing the moisture-driven deformation process; constructing a hydrothermal transfer model reflecting a swelling soil moisture diffusion mechanism and a depth integral deformation mechanism so as to establish a physical mapping relation between theoretical prediction response characteristics and normalized active area depth; and substituting the periodic response characteristics into a hydrothermal transfer model to carry out inversion matching solution, and calculating the total depth of the active area of each pixel in combination with a pre-calibrated moisture diffusion coefficient. According to the method, the theoretical upper limit of depth inversion of a traditional single-layer time domain model is effectively broken through, and accurate physical quantitative recognition of the depth of the active area under the complex hydrothermal boundary is achieved.

The present application provides a method and system for evaluating the moisture permeability of concrete. The method first obtains moisture gradient change data within the concrete and performs moving average processing on the data to generate smoothed moisture diffusion data. Secondly, based on the diffusion data, the frequency offset data caused by humidity influence is measured in the microwave frequency band, and diffusion features are extracted from the offset data using phase locking technology. The diffusion features are then subjected to spatiotemporal correlation processing to identify hotspot patterns. Finally, pattern clustering processing is performed on the hotspot patterns, grouping them into multiple levels and outputting the concrete permeability rating. The technical solution provided by the present application not only ensures real-time and lossless capture of the microscopic dynamics of moisture migration, but also achieves zero-delay analysis of the true permeability dynamics, fundamentally resolving problems such as manual experience misjudgment and offline simulation inaccuracy.

The invention relates to a display panel, a preparation method thereof and a display device. The display panel comprises a substrate, the substrate comprises a display area and a non-display area, and at least one side of the display area is provided with the non-display area; the at least one insulating layer is stacked on one side of the substrate and extends from the display area to the non-display area; the first dam is located on the side, away from the substrate, of the at least one insulating layer and located in the non-display area; the first dam comprises a first slope facing the display area and a second slope deviating from the display area; the barrier layer is located in the non-display area and at least covers the first slope surface; the first inorganic layer is located on the side, away from the substrate, of the barrier layer in the non-display area; the first organic packaging layer is located on the side, away from the substrate, of the first inorganic layer, and the first organic packaging layer extends to the non-display area from the display area; and the second inorganic packaging layer is positioned on the surface of one side, far away from the substrate, of the first organic packaging layer. The problem of water vapor diffusion caused by direct contact between the first organic packaging layer and the first dam is improved.

The application discloses a kind of rice water absorption performance classification and moisture distribution optimization method and control system, by analyzing the water absorption performance of rice, moisture diffusion distribution, realizes the accurate control of rice cooking process.First, the water absorption performance of rice is classified using support vector machine algorithm, and the moisture distribution equation is constructed to calculate the internal moisture distribution of rice.Then, according to the moisture distribution, the heat transfer process is optimized.Finally, the heating power is dynamically adjusted, the internal heat distribution of rice is optimized, and the uniformity of moisture absorption is realized.The application accurately controls the whole process of rice cooking by multidimensional data analysis and intelligent algorithm application, effectively improves the consistency and taste of rice quality, and provides a new technical scheme for intelligent cooking equipment.

This invention relates to the field of wood-based panel drying equipment, and more particularly to a drying device for the production of fir wood panels. The drying device for fir wood panel production of this invention separates stacked fir wood panels through main and secondary support plates connected by central rings at each layer, increasing the gaps between the layers and improving the flow of hot air between them. Simultaneously, an electric exhaust fan guides the hot air upwards through the central column and the main support plates at each layer into the interior of the stacked fir wood panels, ensuring efficient drying of the internal areas as well. The hot air also blows outwards from the interior of the fir wood panels, increasing the rate of moisture diffusion. This drying device for fir wood panel production of this invention significantly improves upon the technical shortcomings of traditional stacked drying methods for fir wood panels in drying chambers, which suffer from uneven heat transfer and poor moisture diffusion.

The present application relates to the technical field of chemical material storage stability simulation, in particular to a carbonic acid ethylene storage stability simulation method based on digital twinning, aiming to solve the problem that traditional evaluation cannot deeply couple dynamic factors such as moisture penetration, temperature and humidity change and product accumulation, cannot accurately restore the moisture gradient balance and product accumulation law in the container, and is difficult to predict the evolution of key quality indicators and failure boundaries, by constructing a digital twinning body basic model containing molecular structure and hydrolysis kinetics parameters, embedding dynamic moisture adsorption and reaction kinetics modules, calculating parameters such as moisture diffusion and penetration rate, integrating temperature and humidity sensor data, forming feedback by coupling heat and mass transfer and reaction kinetics equations, outputting stability attenuation risk index, predicting acid value, moisture content, color evolution trend and identifying failure threshold, and iteratively correcting model parameters combined with actual detection data to improve simulation accuracy.

The invention discloses a simulation experiment method and system for different damp positions of an oil-immersed bushing capacitor core. According to the method, firstly, measuring points are arranged along the surface of a damped capacitor core, the moisture concentration is measured, a discrete data set of the moisture content is obtained, then a radial basis function interpolation method is adopted, the measured moisture data is further expanded, dense data points on a three-dimensional regular grid in the bushing capacitor core are obtained, and the moisture content of the bushing capacitor core is calculated. Flux and divergence thereof are calculated according to a moisture diffusion rule, and space coordinates of the damp position are determined through threshold screening and weighted calculation. Accurate positioning of the damp invasion position of the oil-immersed bushing capacitor core is realized, and the reliability of insulation state evaluation and fault early warning is improved.

The invention relates to the technical field of carton defect analysis, in particular to a corrugated carton moisture-proof testing method and system.The corrugated carton moisture-proof testing method comprises the steps that solutions containing different fluorescent substances are dropwise added to two moisture diffusion points on a paperboard sample synchronously; marking a plurality of paper junction points and determining a fiber water absorption boundary line according to the comparison condition of the fluorescence peaks captured in each sub-region and the neighborhood; judging whether to stop dropwise adding the solution to a wet diffusion point or not by calculating a water absorption performance deviation coefficient of paper surface fibers; and finally, judging whether the water-absorbing moisture-proof performance of the paper surface is qualified or not according to the water-absorbing test value of the paperboard sample. The corrugated carton moisture-proof test system comprises a fluorescence soaking module, an image acquisition module, a fluorescence excitation module, a control module and a test analysis module, and the spatial form difference of water absorption and diffusion of paper surface fibers of a carton is analyzed; the moisture-proof performance of the surface of the carton can be quickly identified and analyzed in the continuous production of the corrugated carton.

This invention discloses a method for dynamic monitoring and control of the spatial environment in underground utility tunnels, relating to the field of urban infrastructure operation and maintenance technology. After sorting the tunnel segments, instead of applying the same control method directly to all abnormal segments, it continues to read the environmental monitoring items that contribute the most to the deviation in each segment. Combining the function type, function area, and cross-segment boundaries of existing actuators, it calculates the control mapping relationship between the tunnel segment and candidate actuators, and then selects the actuator that best matches the current dominant deviation state for each segment. Fans, drainage pumps, access control linkage programs, and ventilation zone switching programs are no longer simply called in fixed patterns, but are instead linked separately based on the dominant environmental problems of different tunnel segments. For common issues in underground utility tunnels such as gas migration, moisture diffusion, and water accumulation, this method enables the actuator to match the abnormal attributes and main chain relationships of the current tunnel segment.

The utility model relates to the related technical field of epoxy resin processing, in particular to a dehydration device for high-viscosity bio-based epoxy resin, which comprises a dehydration tank body, an air exhaust mechanism is arranged on the outer side of the dehydration tank body, and a waste heat recovery mechanism is arranged on the outer side of the dehydration tank body. Through the arrangement of the air exhaust mechanism, the ultrasonic generator is matched with the oscillation head to generate ultrasonic waves, water diffusion is accelerated, the driving pump extracts water vapor in the tank body to form a negative pressure environment, the boiling point of water is lowered through negative pressure, more water is promoted to be evaporated rapidly, and the dehydration effect is further enhanced; through the arrangement of a straight condenser pipe, pumped-out water vapor can be effectively cooled and condensed into liquid water, the water vapor is separated from high-viscosity bio-based epoxy resin, the purity of the dehydrated epoxy resin is improved, a heat exchanger of the waste heat recovery mechanism collects waste heat emitted by the dehydration tank body, materials in the feeding pipeline are preheated after the waste heat is absorbed, and the dehydration efficiency is improved. And the energy utilization efficiency is improved.

This invention belongs to the field of humidity control technology and discloses a method for obtaining the moisture diffusion coefficient. Based on a sealed cavity with a vent valve, the sealed cavity has multiple measurement points. The method includes the following steps: obtaining the diffusion distance from each measurement point to the vent valve; obtaining the temperature and humidity of the external environment of the sealed cavity within a preset time period; obtaining the temperature and humidity of each measurement point inside the sealed cavity within the preset time period; and calculating the moisture diffusion coefficient using the half-life method based on the diffusion distance, the temperature and humidity of the external environment of the sealed cavity, and the temperature and humidity of each measurement point. This method can obtain the moisture diffusion coefficient under various conditions, thus providing reference data for condensation simulation calculations in equipment cavities.

The application provides a method for analyzing tobacco moisture migration characteristics based on LF-NMR technology, and belongs to the technical field of electric digital data processing.The method comprises the following steps: standardizing sample pretreatment, determining moisture state by low-field nuclear magnetic resonance, establishing a moisture migration dynamic model, calculating a moisture diffusion coefficient matrix, constructing a moisture loss prediction model, adjusting migration parameters by using a moisture diffusion optimization function, analyzing whole-leaf moisture distribution by using a neural network model of a multi-scale attention mechanism, performing different temperature gradient experiments, analyzing moisture migration difference between main veins and leaf tissue, and verifying prediction model accuracy, so that precise quantitative analysis of tobacco moisture migration dynamic characteristics in different microstructures is realized.The method combines low-field nuclear magnetic resonance technology with moisture diffusion theory and deep learning, accurately identifies moisture migration characteristics in tobacco microstructure, and provides a scientific basis for tobacco curing process optimization.

This invention relates to the field of fabric technology, specifically to a highly flexible suit coat fabric and its textile process. The fabric comprises a 2 / 2 twill cotton greige fabric and a flexible finishing layer fixed to the surface of the cotton fibers. The flexible finishing layer is formed by sequentially padding and pre-drying the greige fabric, which has undergone limited pretreatment with cellulase, with a first surface finishing solution of aldehyde-modified amylopectin / D-glucosamine hydrochloride, followed by coupling with a 3-aminopropyltriethoxysilane surface coupling solution, and a final finishing with D-glucosamine hydrochloride. The weight-average molecular weight of the aldehyde-modified amylopectin is 2.50 × 10⁻⁶. 5 -4.50×10 5 The degree of aldehyde substitution is 3.0%–7.0%. This invention enables the fabric to possess softness, washability and softness retention, tensile strength retention, breathability and moisture diffusion properties without the addition of formaldehyde resin finishing agent, making it suitable for clothing fabrics such as suits and overcoats.

An electronics enclosure is described comprising: a closed housing formed from a plurality of walls and wherein the plurality of walls consists of a plurality of continuous walls and one discontinuous wall having an opening or a plurality of openings; and a single vent arrangement. The single vent arrangement comprises a protective membrane positioned over the opening or plurality of openings, wherein the protective membrane is air-permeable and liquid-impermeable; a cover positioned over the opening or plurality of openings, wherein the cover is movable relative to the opening or plurality of openings between a first diffusion position and a second diffusion position to allow for different rates of moisture diffusion between the inside of the closed housing and an external environment via the opening or plurality of openings in the first diffusion position and the second diffusion position, wherein the cover allows for diffusion in both the first diffusion position and the second diffusion position; and an actuator arrangement configured to move the cover between the first diffusion position and the second diffusion position in response to a threshold temperature or temperature difference being crossed.

To prepare a concrete specimen having strength development properties close to those of a concrete structure, and to perform a strength test using the concrete specimen.SOLUTION: A framework 1 is composed of a plurality of (two in the figure) formwork members 1a and 1b each having a cylindrical half-split shape made of plastic or metal. The framework members 1a and 1b are fixed by a fixture 2 such as a hose band. A gap (g) is provided between each of the adjacent framework members 1a and 1b. A water-permeable sheet 3 (a water-permeable member) is attached to an inner peripheral surface of the framework 1, and a part of the water-permeable sheet 3 is exposed to the outside of the framework 1 through the gap g. The moisture contained in the concrete filling the inside of the framework 1 escapes from the gap (g) to the outside of the framework 1 by water permeation and moisture diffusion effects of the water permeable sheet 3.SELECTED DRAWING: Figure 1

This invention provides a vacuum drying device for water-soluble inorganic salt carriers, relating to the field of water-soluble inorganic salt carrier drying technology. It includes a drying chamber and a drying drum. A vacuum pump is located at the back of the drying chamber, and a connecting pipe is fixedly installed on the top of the vacuum pump, with the output end of the connecting pipe connected to the interior of the drying chamber. A mounting frame is fixedly installed on the top of the drying drum. In this invention, the air inside the drying chamber is extracted by the vacuum pump and connecting pipe. Then, a controller activates two heating tube assemblies, which, with the assistance of temperature sensors, heat the interior to the required temperature. Next, the controller activates a drive motor, which drives a drive rod and multiple stirring blades to stir the material, ensuring uniform heating and moisture diffusion within the drying drum, thus ensuring thorough drying and improving the vacuum drying effect on water-soluble inorganic salt carriers.

The utility model provides a textile with water diffusion directivity. The textile is provided with a first texture and at least one second texture. The first structure has water diffusion directivity. The second structure is connected to the first structure and has moisture diffusion directionality, and the moisture diffusion directionality of the first structure is different from that of the second structure. Each second weave is provided with a first piece of a second weave warp knitting structure and a second piece of a second weave warp knitting structure, so that the second weave has water diffusion directivity. The first weave and the second weave which are different in moisture diffusion directionality are woven on the same textile, and the moisture diffusion directionality of the first weave and the moisture diffusion directionality of the second weave are different, so that moisture can be guided to an expected area of a user.

The application provides a one-way moisture-conducting bionic fabric and a preparation method thereof, and the one-way moisture-conducting bionic fabric comprises a fabric base body, the fabric base body comprises a skin layer, a directional conducting layer and a moisture diffusion layer from inside to outside in sequence; the skin layer is composed of hydrophobic fiber bundles with a first surface energy; the directional conducting layer comprises a plurality of asymmetric bionic micro-channels arranged in an array, the micro-channels penetrate through the skin layer and the directional conducting layer; the longitudinal section of the micro-channels is in a conical structure, the large end is towards the skin layer, and the small end is towards the moisture diffusion layer; the moisture diffusion layer is composed of hydrophilic fiber bundles with a second surface energy, and the second surface energy is greater than the first surface energy. The application introduces the bionic micro-channels with geometric asymmetric characteristics into the fabric structure, and combines the surface energy gradient design between the skin layer and the moisture diffusion layer, so that a liquid water self-driven transmission mechanism based on Laplace pressure difference is constructed at a micro level.

The application belongs to the technical field of seed cultivation, and particularly relates to a seed cultivation automatic irrigation device, and the following scheme is provided, which specifically comprises a breeding box, both ends of the breeding box are provided with pull-out rails, breeding racks are pullably installed between the pull-out rails, the top of each breeding rack is provided with a plurality of breeding cups in a mesh structure, both ends of the breeding box are further provided with horizontal electric guide rails, a longitudinal electric guide rail is installed between the two horizontal electric guide rails through an electric sliding block, and the top of the longitudinal electric guide rail is provided with a moving rack. In the application, the central part of the breeding cup is continuously ventilated through a ventilation mechanism, the air is used to accelerate the speed and uniformity of water diffusion, the humidity environment in the breeding cup and the air permeability of the soil are maintained, and when the ventilation mechanism and the irrigation mechanism are reset upwards, the soil around the breeding cup is left with continuous perforations, the soil temperature and humidity environment of the breeding cup is accurately controlled, and the yield of good seeds is improved.