35 results about "Solar intensity" patented technology

This invention generally relates to automated shade systems that employ one or more algorithms to provide appropriate solar protection from direct solar penetration; reduce solar heat gain; reduce radiant surface temperatures; control penetration of the solar ray, optimize the interior natural daylighting of a structure and optimize the efficiency of interior lighting systems. The invention additionally comprises a motorized window covering, radiometers, and a central control system that uses algorithms to optimize the interior lighting of a structure. These algorithms include information such as: geodesic coordinates of a building; solar position; solar angle solar radiation; solar penetration angles; solar intensity; the measured brightness and veiling glare across a surface; time, solar altitude, solar azimuth, detected sky conditions, ASHRAE sky models, sunrise and sunset times, surface orientations of windows, incidence angles of the sun striking windows, window covering positions, minimum BTU load and solar heat gain.

The invention provides a method for predicting radiation of a photovoltaic power station based on an all-sky nephogram. The method comprises the steps of building a clear sky radiation model according to historical radiation data of clear sky of the photovoltaic power station; acquiring motion vectors and cloud form variation trends of cloud clusters with different thicknesses in a future time period by using the all-sky nephogram; acquiring the solar intensity in the cloud clusters; and building an ultra-short term radiation prediction model, and performing prediction on the radiation of the photovoltaic power station in the future time period. The method provided by the invention is accurate and effective, and can accurately predict the radiation of a future time period on the basis of ensuring predicted data output of basic weather types; accurate prediction for moving conditions of cloud clusters within a certain period of time in the future and conditions of radiation attenuation caused by shielding of various cloud clusters for the solar radiation is realized, so that the radiation of the photovoltaic power station in the future time period can be predicted accurately, accurate and effectively decision-making support is provided for power dispatching, thus the operation cost of an electric power system is reduced, and greater economic benefits and social benefits are acquired.

The invention discloses a farmland environment monitoring device, which comprises a soil water content sensor (1) and a soil conductivity sensor (2) combined on the tail end of a support rod (4), and an insulating ring (3) for isolating the soil water content sensor (1) from the soil conductivity sensor (2), wherein the support rod (4) has a hollow structure; the soil water content sensor (1) and the soil conductivity sensor (2) are connected with a sensor signal conditioning unit (7) through a coaxial line (5) in the support rod (4); a solar power supply (10) is used for supplying power to the device and transmitting voltage information to an information collection unit (8); and the information collection unit (8) is used for collecting signals outputted by the sensor signal conditioning unit (7), acquiring the solar intensity information according to the voltage information transmitted by the solar power supply (10) and transmitting data with a wireless transceiving module (9). By adopting the solar power supply for supplying power to the device, the invention can ensure the continuous normal operation of the device, and the wireless transceiving module can achieve long-distance data transmission.

The invention relates to the technical field of solar drying devices, and specifically discloses a greenhouse-type drying device combining solar and sewage sources with a heat pump and a method. The device comprises: a greenhouse gas having an air inlet and an air outlet; a drying bed arranged in the greenhouse; the heat pump, arranged outside the greenhouse, for absorbing heat of external mediums, and making use of the heat to heat liquid working mediums; a ground radiation mechanism arranged under the drying bed, connected with the heat pump unit, and used for heating the material and air in the greenhouse by using the liquid working mediums; and a control center connected with the heat pump unit for controlling the heat pump unit based on solar intensity. The drying device can be energy-saving and efficient in making use of the heat of solar and sewage to heat and dry the materials in the greenhouse.

Systems and methods of the present invention are directed to disaggregating the contribution of solar panels from a whole house energy profile. Methods of disaggregating energy produced by solar panels from low frequency whole-house energy consumption data for a specific house, may include steps of: predicting solar energy generation for the specific house by estimating a solar capacity of the solar panels, predicting solar intensity associated with the specific house, and multiplying estimated solar capacity with predicted solar intensity; and subtracting the predicted solar energy generation from the low frequency whole house energy consumption data, thereby disaggregating the contribution of energy produced by the solar panels. Computerized systems of the same may apply machine learning models such as radial basis function, support vector, or neural network machines.

A method, system, and software for calculating a multi factor temperature index includes determining the values of at least two weather related parameters. The multi factor temperature index is calculated using the calculated values of the two weather related parameters and an actual temperature value. The two weather related parameters are selected from a group consisting of a wind speed parameter, a solar intensity parameter, a dew point parameter, an atmospheric pressure parameter and a precipitation parameter.

The invention discloses a flash evaporation active control system adapting to the solar energy organic Rankine cycle. The flash evaporation active control system comprises a solar energy trough heat collector, an organic Rankine cycle power generation system, a flash evaporation type liquid storage tank and a control device thereof. The organic Rankine cycle power generation system comprises an evaporator, an expansion machine, an electric generator, a cooling tower, a condenser and a frequency conversion type working medium pump. The control device comprises a temperature and pressure sensor, an electromagnetic valve and an expansion valve. The temperature and pressure sensor is connected with the expansion valve, the electromagnetic valve and the frequency conversion type working medium pump separately. According to flash evaporation active control system, the immediate reaction to a solar energy transient characteristic is achieved, and low-pressure saturated steam generated through flash evaporation enters a low-pressure stage of the expansion machine to adjust an organic working medium flow, so that variable working condition operation is realized, and the flash evaporation active control system is applicable to various solar intensity areas. By detecting and adjusting the organic working medium dryness of an outlet of the evaporator, the liquid impact damage to the expansion machine is avoided. The circulation property is optimized, and the circulation efficiency is improved. The safe and rapid start-stop of the organic Rankine cycle power generation system is achieved. The flash evaporation active control system is simple in structure and easy to control.

The invention relates to the field of agriculture, in particular to a plant seedling raising device and method. The seedling raising device comprises a base and a support, the bottom of the support isconnected with a rotating motor in a matched mode, a plurality of seedling raising trays are vertically stacked on the support, each seedling raising tray is provided with a horizontal motor, illumination sensors are further arranged at four top corners of each seedling raising tray, the illumination sensors are connected with a control module, and the control module is in circuit connection witha servo motor and the rotating motor so that the control module can control rotation of the support and horizontal movement of the seedling raising trays. The defects that in the prior art, a seedling raising device cannot effectively improve the sunlight absorption efficiency of plants, and the seedling raising speed of the plants is limited are overcome, and the device has the advantages that the position of the seedling raising device can be adjusted along with the sun intensity and the angle, the intensity of a light source can be supplemented, and the plants can always keep good sunlightabsorption efficiency.

The invention discloses a solar intelligent flowerpot. Under the cooperation work of all components, potted plants can be easily managed, when it is found that the soil humidity is lower than a presetvalue through a soil humidity sensor buried in soil, a signal can be sent into a controller, the controller drives a water pump to act, the water pump is screwed into a spiral water injection pipe through a rubber skin hose and a water pump water outlet, and soil in the flowerpot is irrigated; when solar intensity is too high, solar intensity is collected constantly by an external solar intensitysensor, and when the solar intensity is too high, the controller sends out an instruction, and a lead screw motor acts to lift a whole sunshade device through a lead screw and a polished shaft; a sunshade plate is transmitted to the top through a sunshade plate driving motor so that the sunshade effect can be achieved; a solar panel on the sunshade plate acts during sunshade so as to charge a lithium battery in a control box.

There is disclosed ultrahigh-efficiency single- and multi-junction thin-film solar cells. This disclosure is also directed to a substrate-damage-free epitaxial lift-off (''ELO'') process that employs adhesive-free, reliable and lightweight cold-weld bonding to a substrate, such as bonding to plastic or metal foils shaped into compound parabolic metal foil concentrators. By combining low-cost solar cell production and ultrahigh- efficiency of solar intensity-concentrated thin-film solar cells on foil substrates shaped into an integrated collector, as described herein, both lower cost of the module as well as significant cost reductions in the infrastructure is achieved.

The present invention provides a solar energy concentrating reflection system comprising multiple arrays of solar reflectors arranged adjacent to one another on a generally planar support structure where each of the reflector arrays configured into a first Fresnel array in a first dimension. Each of the first Fresnel array of reflectors are in turn arrayed and supported in a support frame in a configuration of second Fresnel arrays in a second dimension such that solar energy from the sun is reflected and concentrated to a predetermined focal line. A solar receiver is disposed in the focal line of the configured solar reflectors such that the first and second Fresnel arrays uniformly reflect and concentrate solar energy from the sun onto the solar receiver within the first and second dimensions with a uniform solar intensity profile.

The invention relates to a concentrating photovoltaic photoelectric conversion receiver universal module with a radiator and belongs to the technical field of solar power generation. The concentrating photovoltaic photoelectric conversion receiver universal module comprises a solar concentrating photovoltaic photoelectric conversion receiver and a radiator, wherein the concentrating photovoltaic photoelectric conversion receiver and the radiator are bonded together closely and seamlessly through a solder paste or a heat-conducting red gum or a silicone adhesive to form the integrated concentrating photovoltaic photoelectric conversion receiver universal module, and heat on a photovoltaic battery is quickly transmitted to the radiator and a battery chip is prevented from being damaged due to overheat; a passive heat dissipation manner is adopted for the universal module so that the heat dissipation cost is reduced; the module can be fabricated into a standard universal module of various light concentrating multiples according to different solar intensities in various regions, and applied to various different concentrating photovoltaic modules; the assembly flow is simplified; the universal module is more convenient to demount and mount for subsequent maintenance, and simultaneously, more suitable for large-scale production, and therefore, the cost of the whole system is reduced.

The invention discloses a low-rate and high-rate concentrating solar cell. The low-rate and high-rate concentrating solar cell comprises a first device main body, a condensation device, a transmissiondevice, an expansion device and an adjustment device and is characterized in that the condensation device is arranged in the first device main body, the transmission device is arranged at a lower side of the transmission device, the expansion device is arranged at a lower side of the transmission device, the adjustment device is arranged under the expansion device, the transmission device comprises a first transmission cavity, the first transmission cavity is formed in the first device main body, first through holes are symmetrically formed in inner walls of a left side and a right side of the first transmission cavity and communicate with each other, and a first sliding cavity is formed in one side, far away from the first transmission cavity, of each first through hole in a communication way. The device can select low-rate or high-rate concentrating power generation according to solar intensity, high-efficiency power generation can be achieved when the device is used for emergency power generation, and meanwhile, the device also can be used for supplying power in the outside, can be stored to a certain extent and can be protected to a certain extent when not used.

The invention discloses a fresh air system for cooling and heating of a building. The inner wall of the building wall is provided with a ventilation groove, the ventilation groove is connected with an air passage penetrating through the building wall, and the building wall is provided with a thermal insulation partition covering the ventilation groove. The thermal insulation plate is provided with a plurality of ventilation holes in an array, and the outside of the building wall is provided with transparent glass covering the air passage. The transparent glass is connected with a fresh air pipe, and the fresh air pipe is connected with the solar heat exchange component and the refrigeration unit. The components are connected, and the heating and cooling in the building are respectively realized through the solar heat exchange component and the refrigeration component. The present invention can convert solar energy into heat or cold air of the fresh air system, so as to realize the cooling and heating needs in the building. , the solar energy can also be stored in the phase-change heat accumulator for use when the solar intensity is not enough. By setting solar power generation, the energy required for cooling can be realized. The invention also sets an air filter, which can ensure the fresh air system air the quality of.