17 results about "Atmospheric moisture" patented technology

The invention relates to the field of photovoltaic power generation, and particularly discloses a climate self-adaptive photovoltaic cooling method and system based on interface evaporation, and the system comprises a hydrophilic and hydrophobic composite radiation refrigeration film which is used for capturing atmospheric moisture through a radiation refrigeration effect under a low-radiation condition to form a cooling water source; the bionic water conveying structure comprises a modified silicone tube and a juncus roemerianus bundle and is used for conveying the captured water to the high-level water tank through capillary action; according to the invention, by fusing interface evaporation and radiation refrigeration technologies, the system realizes efficient cooling and energy recovery of the photovoltaic module; under the condition of strong irradiation, the gradient wettability interface evaporation layer takes away waste heat of the module through directional water film flow, so that the temperature of the photovoltaic module is reduced, the photoelectric conversion efficiency is improved, and meanwhile, the daily generating capacity is increased; the cooling effect is obviously better than that of a traditional natural convection or phase change material cooling mode, and efficient heat transfer is achieved through phase change latent heat utilization of interface evaporation.

The invention discloses a precipitation space downscaling method and device based on physical constraint and deep learning, and relates to the technical field of precipitation data processing. Comprising the following steps: forming training rainfall observation data by training low-spatial-resolution remote sensing rainfall data, training low-spatial-resolution meteorological data, training low-spatial-resolution soil moisture data, training high-spatial-resolution meteorological data and training high-spatial-resolution soil moisture data; determining a target rainfall downscaling model constrained by atmospheric moisture and rainfall soil moisture based on a spatial cross validation method; and forming to-be-downscaled rainfall observation data by using the to-be-downscaled remote sensing rainfall data, the high-spatial-resolution meteorological data and the high-spatial-resolution soil moisture data, and inputting the to-be-downscaled rainfall observation data into the target rainfall downscaling model to output target downscaling remote sensing rainfall data. Through a rainfall downscaling model, atmospheric moisture and soil moisture are combined with physical constraint and spatial cross validation, and spatial generalization is ensured to improve the rainfall data spatial downscaling precision.

The present application relates to the field of dehumidification, in particular to a photoelectrochemical auxiliary dehumidification device driven by shadow effect, the upper layer is super-hygroscopic hydrogel, the middle layer is photoelectrochemical cell, and the lower layer is shadow effect device; in the photoelectrochemical auxiliary dehumidification system provided by the present application, the moisture absorbed by the hydrogel is rapidly decomposed by the photoelectrochemical cell with enhanced voltage generated by the shadow effect device. The absorption of atmospheric moisture by the hydrogel and the voltage generated by the light contrast difference of the shadow effect device caused by the transparent photoanode of the photoelectrochemical cell from the upper layer and the light-tight photocathode result in continuous dehumidification of the closed space under zero energy input, the relative humidity in the room can be maintained below 70% without additional energy input, and a certain stable current is generated, which improves the efficiency of the dehumidification system and reduces energy consumption, and has wide application prospect.

The present invention discloses an InSAR atmospheric delay correction method and system based on an adaptive window. The method includes the following steps: step S1, data acquisition and preprocessing; step S2, InSAR data processing; step S3, adaptive dynamic window segmentation; step S4, multi-temporal stratospheric delay, deformation and terrain residual joint modeling; step S5, model parameter M estimation; step S6, unwrapped phase correction and cumulative deformation sequence solution. A system for an InSAR atmospheric delay correction method based on an adaptive window. The present invention introduces an atmospheric moisture content product and performs adaptive SAR image window segmentation based on the difference in water vapor content in the spatial atmosphere. It also considers the relationship between vegetation cover density and interferogram coherence, and uses the average coherence of the InSAR interferogram as the initial weight matrix, thereby reducing the impact of seasonal vegetation density changes on deformation results. The M estimation method is used to iteratively solve the InSAR deformation time series, thereby improving the reliability of the deformation estimation results.

A method, system, and device for managing humidity in an HVAC system includes a nanostructured desiccant porous material configured to adsorb moisture from an inlet stream at a first atmospheric pressure and release moisture from the material when exposed to a second atmospheric pressure, the second atmospheric pressure being lower than the first atmospheric pressure, the nanostructured desiccant porous material being located within a specific location to allow the passage of moist air across the material and allow the adsorption of moisture onto the material. When coupled with a vacuum pump, the moisture can be collected and released from the material and the system, regenerating the material for future use and removing moisture from the stream at a significantly lower cost than existing processes.

The product of this design is a stacking rim part of storage drybox for filament; the design product can be used for storing of filament for 3D printing while keeping it away from atmospheric moisture and the rim part serves as a securing element for stacking multiple dryboxes together; the main points of the design are rims on the front and back side of the product; the broken lines shown in the drawings indicate disclaimed parts of the design.

The invention relates to a method for operating a compressed-air supply system (1), which supplies compressed air to connected compressed-air consumers (16, 18; 20) via at least one compressed-air line (24), wherein the compressed-air supply system has at least one compressor (2), an air dryer (5) and a switchover valve (12), the air dryer (5) having a granular adsorption desiccant (10), the switchover valve being actuable by means of an electronic control device (14), in a first switching position (A) of the switchover valve (12) moist compressed air generated by the compressor being passed over the grains of the adsorption desiccant in a drying phase, as a result of which the adsorption desiccant absorbs atmospheric moisture from the moist compressed air, and in a second switching position (B) of the switchover valve (12) dry compressed air taken from the compressed-air supply system being passed over the grains of the adsorption desiccant in a regeneration phase, as a result of which the adsorption desiccant releases moisture to the dry compressed air, which is then subsequently discharged to the surrounding area (28). According to the invention, a water load value indicating the current water load of the adsorption desiccant is ascertained in the control device, the water load value is determined by means of at least two numerical values, and the switchover valve (12) is controlled with respect to the start and the duration of the drying phase and / or the regeneration phase depending on the water load value.

The invention discloses a water taking and power generation integrated device for a remote island. The device comprises a box body which comprises an upper square body and a lower conical body; the power generation module is arranged on the box body; the water collecting module is arranged below the box body; the energy storage module is connected with the power generation module; the upper square body is provided with a containing cavity, one side of the containing cavity is provided with a ventilation opening allowing moisture-containing atmosphere to enter, the ventilation opening is provided with a cover plate matched with the ventilation opening, the cover plate is provided with an opening and closing assembly capable of achieving opening and closing, and the energy storage module is electrically connected with the opening and closing assembly; the power generation module further comprises an adsorption assembly connected with the lower end face of the thermoelectric power generation assembly, the adsorption assembly comprises a plurality of fins, the fins are arranged in the containing cavity in parallel and face the ventilation opening, the fins are loaded with MIL-101 (Cr) materials, and the MIL-101 (Cr) materials 232 of every two adjacent fins make contact with each other. Therefore, the MIL-101 (Cr) material can adsorb atmospheric moisture entering the accommodating cavity from the ventilation opening.

The present invention belongs to the field of ecological restoration technology and specifically discloses a multi-layer composite radiative cooling-hygroscopic functional layered material and a preparation method thereof. The multi-layer composite radiative cooling-hygroscopic functional layered material comprises four layers from top to bottom: an emissive layer, a reflective film, a glass substrate, and a water collection layer. The emissive layer serves as the upper surface of the material and spontaneously dissipates heat to outer space through an atmospheric window, thereby lowering the temperature of the entire material below the ambient temperature. The water collection layer serves as the lower surface of the material and is loaded with hygroscopic salts to spontaneously collect atmospheric moisture. The present invention innovatively constructs a double-sided sheet structure. The upper surface has a radiative cooling function, enabling all-weather cooling and providing a surface for atmospheric water condensation. The lower surface is loaded with hygroscopic salts to collect atmospheric moisture. At the same time, the radiative cooling structure on the upper surface lowers the overall temperature of the material, increasing the relative humidity of the water surrounding the material and promoting the atmospheric water collection process on the lower surface.

The invention relates to a method for producing a sorbent element (7) for separating a gas and / or atmospheric moisture from a fluid phase. The method comprises providing (S100) a sorbent material for absorbing a sorbent from the fluid phase and producing (S200) a mixture by adding the sorbent material and a binder material and / or an additive material. Furthermore, the mixture of the sorbent material and the binder material and / or the additive material is pretreated (S300) by means of a mixer (12), wherein mixing and homogenization of the mixture takes place during the pretreatment (S300). Subsequently, the pretreated mixture is extruded (S400) by pressing it out of a shaping opening of a molding tool (15) and molding (S400) the extruded mixture into an extrudate, wherein the extrudate has a geometric extension in a spatial direction of at least 500 mm.Subsequently, the extrudate is received by a receiving device, and the extrudate is cured. The invention further relates to a sorbent element (7) produced by such a method, a sorbent unit (70) comprising a plurality of such sorbent elements (7), and a system for separating a gas and / or atmospheric moisture from a fluid phase, comprising such a sorbent element (7) and / or such a sorbent unit (70).

The invention belongs to the technical field of ecological restoration, and particularly discloses a multilayer composite radiation cooling-moisture absorption functional layered material and a preparation method thereof.The multilayer composite radiation cooling-moisture absorption functional layered material comprises an emission layer, a reflection film, a glass substrate and a water collection layer from top to bottom; the emission layer serves as the upper surface of the material, and heat is spontaneously dissipated to the outer space through an atmosphere window, so that the temperature of the whole material is lower than the environment temperature. The water collecting layer serves as the lower surface of the material, is loaded with hygroscopic salt and spontaneously collects atmospheric moisture. A double-sided sheet structure is innovatively constructed, the upper surface has a radiation cooling function, all-weather cooling can be achieved, surface and lower surface loading hygroscopic salt is provided for atmospheric water-cooling condensation, and atmospheric moisture is collected; meanwhile, the radiation cooling structure on the upper surface reduces the overall temperature of the material, so that the relative humidity of water around the material is increased, and the atmospheric water collection process on the lower surface is promoted.

The utility model discloses an atmospheric moisture condensing and collecting device, which belongs to the technical field of moisture collecting devices and comprises a housing, a breather pipe and a condenser pipe which are fixedly connected and communicated in sequence, the housing is positioned on the ground, one end of the breather pipe far away from the housing is inserted underground, the condenser pipe is horizontally buried underground, and an air outlet end of the condenser pipe extends out of the ground through a ventilation component; a fan assembly is arranged in the housing, the air inlet end of the fan assembly communicates with the atmosphere, the air outlet end aligns to the ventilation pipe, and a plurality of liquid outlets are formed in the bottom of the side wall of the condensation pipe. By means of the temperature difference between the earth surface and the underground, condensation of moisture in air is achieved through the ventilation pipe and the condensation pipe, condensate water is directly poured into soil, and collection and utilization of the moisture in the air are achieved.

The invention discloses a sea surface scene low-altitude unmanned aerial vehicle millimeter wave communication channel modeling method. The method comprises the following steps: firstly, constructing a three-dimensional geometric random channel model, and dividing scatterers into three types: a double-sphere surface is used for collecting and sending near-field scatterers at two ends, a double-focus ellipsoid is used for describing high-humidity salt mist atmospheric particles, and a part of cylinders is used for simulating dynamic sea surface and spindrift scatterers; secondly, channel statistical characteristics are derived based on the model, the channel statistical characteristics comprise channel impulse response jointly formed by sight distance, primary and secondary scattering components, a space-time correlation function and Doppler power spectral density, and the scatterer angle obeys mixed probability distribution; and finally, constructing a path loss model: based on the two-path model, introducing an additional attenuation factor related to the salt mist concentration and the atmospheric humidity, and determining parameters of the additional attenuation factor according to the sea condition grade. The method fully adapts to the high-humidity salt fog environment and dynamic sea condition characteristics, can accurately characterize the channel space-time characteristics, and provides a theoretical basis for link planning and performance evaluation of a marine unmanned aerial vehicle millimeter wave communication system.

This invention discloses a ground-source heat pump-based cooling and heating energy station and its control method, belonging to the field of smart energy station technology. It includes acquiring the operating time period and corresponding outdoor air temperature and humidity; inputting the operating time period and corresponding outdoor air temperature and humidity into a preset cooling and heating energy station operating model for processing; optimizing for minimum operating cost; iteratively calculating the preset cooling and heating energy station operating model based on the operating time period and corresponding outdoor air temperature and humidity to obtain the optimal average energy release load of the energy storage module and the optimal cooling and heating switching threshold, thereby adjusting the operating mode of the cooling and heating energy station. This can improve the efficiency of the cooling and heating energy station and reduce costs; it solves the problem in existing technologies where "the impact of outdoor air temperature on the efficiency of the cooling and heating energy station is not considered, resulting in low system efficiency."

The invention provides an industrial personal computer heat dissipation control method and system based on environmental perception, and the method comprises the steps: S1, monitoring the atmospheric moisture content parameter of an operation region in real time; s2, establishing a three-level humidity response mechanism: in primary response, when the atmospheric moisture content is monitored to break through a basic alarm value, activating an environment state tracking function; intermediate response: when the atmospheric moisture content exceeds a composite warning value, synchronously acquiring dust retention data of a heat dissipation channel and a heat conduction coefficient of equipment, and triggering an equipment protection mode after implementing multi-source data fusion processing; advanced response: when the atmospheric water content reaches the system safety upper limit, activating an environment adjusting device; and S3, executing a corresponding control strategy according to the response level. By sensitively sensing the environment humidity, the problem that the industrial personal computer cannot dissipate heat due to the fact that dust is agglomerated and condensed at the fins at the air outlet of the industrial personal computer under the condition of high environment humidity such as a plum rain season is solved.

An apparatus includes a container for preservation of articles defining an atmospheric control mechanism that maintains an internal atmospheric composition within the container such that an interior cavity of the container that is devoid of various contaminants including UV radiation, dust, oxygen, water, atmospheric moisture (humidity), reactive oxygen species, airborne chemical pollutants and / or airborne chemicals not conducive to the longevity or preservation of the articles to be protected. As such, the container protects and preserves articles by preventing decay and deterioration of the articles due to light, temperature, dirt, mold, humidity, hydrolysis due to moisture in the air, and oxidation with exposure to air.

A system for atmospheric water extraction is provided. The system can include an actuator configured to produce at least one of mechanical vibrations or acoustical vibrations, an electrical circuit in electrical communication with the actuator device and configured to drive the actuator with one or more of pre-designed frequencies, amplitudes, or duty cycle, and a moisture-harvesting material disposed in contact with the actuator. The system can enable energy-efficient extraction of water from atmospheric moisture through vibrational and acoustic actuation mechanisms that operate without relying primarily on thermal evaporation processes. The actuator can generate vibrational energy across frequency ranges from infrasound to ultrasonic frequencies to disrupt water-sorbent interactions and facilitate moisture release from the moisture-harvesting material.