15 results about "Solar intensity" patented technology

This invention relates to the field of superhydrophobic functional coating materials. The invention discloses a carbon-coated nano-silica photothermal superhydrophobic coating and its preparation method. The preparation method includes: preparing carbon-coated nano-silica particles via a hydrothermal method; mixing the particles with an adhesive and PDMS and spraying the mixture onto a substrate surface, followed by a first curing to form a base coating; then immersing the mixture in a solution containing perfluoroalkyl silanes, followed by a second curing to obtain the final coating. The coating of this invention exhibits a water contact angle exceeding 150° and a roll-off angle less than 10°. Under 1 solar intensity, the surface temperature can rise to over 60°C within 6 minutes. It possesses advantages such as high-efficiency photothermal conversion, superhydrophobicity and oleophobicity, synergistic passive anti-icing and active de-icing, and good mechanical stability. Furthermore, the process is simple and scalable, making it suitable for anti-icing and de-icing protection in fields such as power facilities, wind power generation, and aerospace.

The invention discloses a calculation method for a running overhead line state. The calculation method comprises the following steps: acquiring measurement data and line parameters in real time; the measurement data comprises environment temperature, wind speed and direction, wire tension, sunlight intensity and load current, and the line parameters comprise strain section parameters and wire parameters; solving the conductor sag by using the wind speed and direction, the conductor tension, the strain section parameter and the conductor parameter; based on a proportional fusion correction mechanism, solving the average temperature of the line by using the conductor sag; solving the maximum heat capacity of the line by using the environment temperature, the sunlight intensity, the load current and the average temperature of the line; and adjusting the running current on the overhead line in real time according to the maximum thermal capacity of the line. On the basis of the method, the measurement data and the line parameters under the actual operation condition are utilized to replace the calculation of presetting the maximum allowable current-carrying capacity under the worst condition, so that the utilization rate of the invisible capacity is improved, the transmission efficiency of the overhead line is further improved, and the economical efficiency and the transportation capacity of the overhead line are improved.

The invention provides a new energy power system reliability evaluation method based on environment variables, and relates to the technical field of power systems. According to the method, a non-parametric self-adaptive quantile regression forest model is adopted to perform modeling on wind speed and sunlight intensity, and online incremental updating is triggered based on Kolmogorov-Smirnov statistics; setting a cross-scale state coupling interface layer in the double-layer nested reliability evaluation architecture, defining a shared state vector including an energy storage charge state, an equipment aging index and an available reserve capacity, and applying Lyapunov stability constraint; a period economic value dynamic pricing module based on Q-learning is integrated in a short-term evaluation layer, and a real-time electricity price, a user interruption contract and a load elastic coefficient are used as state spaces to correct a load shedding strategy. According to the scheme, through adaptive modeling of environment variable distribution and cross-scale state stable transmission, the problem of evaluation result lag is effectively solved, and the real-time performance and economical efficiency of reliability evaluation are improved.

According to the graded photo-thermal-gradient needle tip array type saline-alkali soil evaporator and the preparation method thereof, cork wood-derived cellulose is used as a matrix raw material, a graded photo-thermal layer of carbon nano tubes and biochar is constructed, a gradient-size needle tip array is designed, and a porous hydrogel matrix structure is optimized, so that the graded photo-thermal-gradient needle tip array type saline-alkali soil evaporator is obtained. And the evaporator with the functions of efficient photo-thermal conversion, directional water transmission and thorough salt falling is prepared. The full-spectrum absorption efficiency of the prepared evaporator is larger than or equal to 95%, the salt crystallization falling rate is larger than or equal to 98%, the evaporation rate reaches 1.8 kg / mh under one sunlight intensity, the performance degradation is smaller than or equal to 5% after 100-hour continuous operation, the problems that a traditional evaporator is low in photo-thermal efficiency, salt is left and accumulated, and the water transmission resistance is large can be effectively solved, and the evaporator is suitable for saline-alkali soil treatment, fresh water generation and mineral salt collection scenes.

The invention provides a virtual power plant multi-adjustable resource optimization scheduling method and system based on a novel power load management system, and the method comprises the steps: building a virtual power plant multi-time scale resource optimization scheduling model for solving the problems of surplus consumption and fluctuation stabilization of uncertain resources under different time scales in the operation process of a virtual power plant; in the day-ahead stage, a photovoltaic cell panel maintenance plan, a gas turbine output plan and the reported electric quantity of electric energy transaction in the next day are determined according to the possible fault condition of the photovoltaic unit; and in the intra-day link, the fluctuation conditions of illumination intensity and user load are considered, and a battery charging and discharging plan, a photovoltaic reactive power compensation plan and an actual power transaction scheme of the battery swap station are obtained. The model comprehensively considers the delicacy management of charging and discharging behaviors of an electrical changing station in a virtual power plant, the user satisfaction problem caused by photovoltaic unit faults and reactive compensation, and the transaction profit condition of participating in power market transaction.

The application discloses a kind of building outer wall window photovoltaic module, it is related to photovoltaic power generation technical field, including window frame, glass plate is installed in the inside of window frame, photovoltaic module is installed in the inside of glass plate, light transmission dynamic adjusting mechanism is arranged in the inside of window frame, light transmission dynamic adjusting mechanism is used to automatically adjust glass plate light transmission to respond solar intensity change, light transmission dynamic adjusting mechanism includes support group installed in the inside of window frame, heat-sensitive pad is installed in the inside of support group, by introducing the cooperation operation between condenser lens, heat-sensitive pad, connecting rod and curved mirror, realize the automatic light transmission based on solar intensity adjustment, according to the angle of automatically adjusting curved mirror according to light intensity, optimize photovoltaic cell to incident light absorption efficiency, by dynamically adjusting light transmission and light refraction angle, not only improve the power generation efficiency of photovoltaic module, also optimize the thermal comfort and energy utilization efficiency of building.

The invention discloses an optical filter adaptive switching device based on sun intensity, which is assembled on a photoelectric sun angle detection device and comprises an optical filter conversion device, an optical filter, a motor and a processor. The photoelectric sun angle detection device comprises a collimator and a four-quadrant sensor arranged at the emergent end of the collimator. And the motor and the optical filter conversion device are arranged at the incident end of the collimator. The optical filter conversion device is of a disc structure with a through hole in the center, a plurality of installation bases are arranged on the outer circumference of the disc at intervals, optical filters are fixed to the installation bases, and the transmittance of the optical filters is different. And the processor judges whether the optical filter needs to be switched based on the illumination intensity measured by the four-quadrant sensor and the transmittance of the currently used optical filter. The optical filter can be adaptively switched according to the current sunlight intensity, the detectable range of the four-quadrant sensor is achieved, the adaptability is high, and the economical efficiency is high.

This invention discloses a solar umbrella for urban sunshade, flood control, and power generation, and its control method. It includes an umbrella column, umbrella ribs, and an umbrella canopy. The umbrella column has a rainwater collection chamber, a power generation channel, and a drainage channel inside. The rainwater collection chamber is connected to the municipal sewer system via the power generation and drainage channels, and a water turbine generator is installed in the power generation channel. A first sliding block and a second sliding block are slidably mounted on the umbrella column. The main support rod of the umbrella ribs is hinged to the first sliding block, and the inner end of the main beam of the ribs is hinged to the second sliding block. A first motor is mounted on the first sliding block, driving it to move up and down. A second motor is mounted on the second sliding block, driving it to move up and down. Multiple sets of photovoltaic modules are installed on the upper surface of the umbrella canopy. A solar intensity sensor, a rainfall sensor, and a wind speed sensor are installed on the top of the umbrella column. A control room is located near the umbrella column, and the photovoltaic modules, solar intensity sensor, rainfall sensor, and wind speed sensor are respectively connected to the control system in the control room.

This invention belongs to the field of solar spectral radiation correction technology, and provides a solar spectral radiation correction method and related equipment based on a downlink optical sensor. The method includes: establishing a light intensity model with the light intensity value collected by the downlink optical sensor and the rotation angle of the downlink optical sensor relative to the sun, the tilt angle of the downlink optical sensor relative to the sun, the solar intensity, and ambient light as correlation parameters; acquiring a set of actual data collected by the downlink optical sensor, and calibrating the light intensity model based on the actual data to obtain the undetermined parameter values ​​of the light intensity model; substituting the actual data and the undetermined parameter values ​​into the light intensity model, and solving the light intensity model using the least squares method to obtain the optimal solution of the correlation parameters; using the light intensity model with the optimal solution of the correlation parameters to correct the light intensity value collected by the downlink optical sensor, and outputting the corrected light intensity value. This invention ensures the accuracy of material spectral identification through light intensity value correction.

A clip-on dual swingable vehicle visor apparatus incorporates a baseboard that clips onto a standard in-car sun visor, and further incorporates a frontal visor and a removable side visor to operate as simultaneous multidimensional sunshades. The side edges of the baseboard uniquely feature rails that are designed to dock with a sliding clip connected to the side visor, which constitutes a modular and easily-removable side visor structure that can be readily attached or detached from the left or the right side of the baseboard to accommodate a flexible application of the visor apparatus on either the driver-side or the front passenger-side standard in-car sun visor, depending on users' needs and preferences. Furthermore, both the frontal visor and the removable side visor may be tinted at specific visible light transmission (VLT) levels based on manufacturer or user preferences to provide a desirable level of reduction in solar intensity and energy.

This invention discloses a comprehensive energy source-load prediction method based on deep feature-guided two-stage transfer learning, relating to the field of comprehensive energy multi-element load prediction technology. The method involves acquiring and converting factors such as temperature, season, holidays, wind speed, cloud density, solar intensity, electricity price, and current policies into data formats; acquiring historical data on photovoltaic, wind power, electrical load, heat load, and cooling load in a park, and cleaning the historical data; constructing a time series prediction model based on a deep residual network and a long short-term memory recurrent neural network incorporating an attention mechanism; training the time series prediction model using electrical load, heat load, and cooling load data based on temperature, season, and holidays to obtain a preliminary model; and finally, employing a transfer learning strategy to obtain the final prediction model based on the preliminary model.

A parking guidance system for a solar panel-equipped vehicle and a method therefor. The parking guidance system for the solar panel-equipped vehicle includes a server including a communications unit that periodically collects solar intensity messages from solar panel-equipped vehicles; a map generation unit that accumulates the solar power intensity messages and generates a variable solar power map (VSPM) including a precise map (P-Map) of an outdoor parking lot based on the accumulated data; a database DB that stores the VSPM and periodically updates a regional solar intensity information over a time; and a control unit that provides an optimal solar charging parking location with a strongest solar intensity based on a vehicle location of a customer to the vehicle based on the VSPM.

The utility model relates to crop detection technical field especially, it is an intelligent sensor for detecting crop growth information, include: upper casing, upper casing bottom end detachable fixed installation has lower casing, the circuit board top end has two photosensitive elements one, the circuit board bottom end has two photosensitive elements two, the upper casing and lower casing middle part left and right sides are equipped with two detection holes one and two detection holes two respectively, upper slide cover and lower slide cover are detachable respectively and are connected in the top middle part of upper casing and the bottom middle part of lower casing, upper slide cover top end left and right sides are equipped with two through -holes one respectively, lower slide cover bottom end left and right sides are equipped with two through -holes two respectively, the optical lens assembly one that can eliminate the influence of solar intensity and incident angle is arranged in through -hole one, the optical lens assembly two that can eliminate the influence of solar intensity is arranged in through -hole two, the utility model provides an intelligent sensor that high accuracy and convenient to carry use.

A self-charging electric vehicle configured for converting solar energy and wind energy into electrical energy comprising a systems and methods. The vehicle includes a body and frame with a central body structure and centerline cabin and a chassis with a centerline battery compartment and a suspension system. Solar cells mounted to the vehicles top sides can be supplemented with extendable solar panel(s) that can be deployed by a control system to generate solar energy into electrical energy. An omnidirectional sun sensor provides for sun strength, angle and direction. A stowable horizontal-axis wind turbine with an extendable mast mounted to the vehicle that can be deployed by a control system to generate wind energy into electrical energy. A stowable anemometer provides for wind speed and wind direction.

The application discloses a kind of metering box real asset information data visualization method and system, it is related to the technical field of data visualization, the method comprises: obtaining the first temperature data of the inside of target metering box, the second temperature data of outside and solar intensity data of real-time acquisition;According to the first temperature data, determine whether temperature in target metering box is abnormal;If yes, then according to the first temperature data and the second temperature data, determine the global thermal effect credibility in tank;According to the first temperature data and solar intensity data, determine the correlation of temperature rise and sunshine;According to the first temperature data and the second temperature data of pre-set night section, determine heat dissipation obstacle index;According to global thermal effect credibility in tank, the correlation of temperature rise and sunshine and heat dissipation obstacle index, judge whether target metering box appears coating peeling event;If coating peeling event appears, then in pre-set metering box topology diagram, target metering box is marked.The application realizes the accurate determination of coating peeling of metering box remotely.