8 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 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.

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 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 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."

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.