184 results about "Insolation" patented technology

This disclosure includes systems and methods for extracting water vapor from atmospheric air and, more particularly, but not by way of limitation, systems and methods for optimizing liquid water production from air, in some instances, taking into account diurnal variations. The systems comprise an adsorption zone an a desorption zone, an actuator to move a desiccant between the adsorption zone and the desorption zone. The liquid water production is optimized based, at least in part, on measurements of one or more of: an ambient air temperature, ambient air relative humidity, and a level of solar insolation.

The invention discloses an online monitoring method for temperature rise of an outdoor electrical device, which utilizes the following various parameter measuring instruments: a thermodetector used for measuring the surface temperature of a device, an environment wind power and wind direction sensor, a temperature and humidity sensor, a sunlight intensity sensor, a load parameter collector and other detection devices, and calculator processing unit. A multiple linear regression equation empirical model for predicting the temperature rise of the device is established by a measurement system according to the multiple linear regression principle, main factors which affect the temperature rise greatly are brought into a temperature rise predicting regression model according to experiences, wherein factors with nonlinearity are processed in advance, so that the temperature rise can be predicted accurately. According to the online monitoring method, the full-automatic online monitoring and fault diagnosis and prediction can be realized, the work efficiency and the monitoring capability are improved, and particularly, the monitoring quality is improved.

An apparatus receives a digital image of a sun trace chart having time gradient lines and a sun trace extent line for a site. A selector defines on a display points along the solar trace extent line to define a solar opportunity region. An adjuster adjusts the digital image based on the magnetic declination of the site. The solar exposure potential is determined based on the proportion of solar trace extent lines within solar opportunity region and potential solar exposure. Site adjustments to increase solar energy potential are facilitated. A method of evaluating a site for solar energy potential is disclosed. A solar exposure device for recording and analyzing a solar trace is disclosed.

The invention provides a static safety probability assessment method of a new energy grid power system. A new energy force output model adopting wind speed, sunlight intensity and other meteorologicalelement time period features comprehensively reflects weather random fluctuation features and time change rules, the nondeterminacy of system operation is reflected through a probabilistic load flowmethod based on Monte Carlo simulation, and the new energy force output model and the probabilistic load flow method are combined to set up the static safety probability assessment method of the new energy grid power system. A system load flow out-of-limit probability index is put forward to analyze the weak link and high-risk time frame of the system. A system N-1 risk assessment index is put forward to assess the system N-1 risk level and the risk change condition caused by new energy access scene changes. Compared with traditional and deterministic system static safety analysis, the nondeterminacy of the new energy grid power system is considered, the probability of static safety is assessed through the probability assessment method and an index assessment system, more comprehensive information is provided for system operation, and reference is provided for medium-term and long-term planning, scheduling and the like of the power system.

The invention belongs to the technical field of fixed-wing solar aircrafts and discloses a fixed-wing solar aircraft. solar panels are packaged on wings and an empennage; original curves are replacedby straight lines at the position where solar panels are laid on the wings; two planes are formed on the whole wing aerofoil and the solar panels are laid thereon; a tail-plane of the empennage between two ribs are paved by the solar panels; a vertical tail of the empennage is not arranged with the solar panels; the battery board is mounted on the wing skeleton and glued, and is connected with anenergy management system after being connected in parallel by the matching cable line, so that the photovoltaic array can intelligently output the maximum power in various sunshine and temperature environments. The second solution of the present invention improves the transmission voltage and finds an efficient power conversion combination, which greatly improves the utilization of solar energy. Adding flight control system can improve flight stability, realize autonomous flight, flight data monitoring and other functions.

The invention discloses a building and using method of a building sunshine tester. The method comprises the steps of determining the sunlight time specified by the position of a project, the geographic latitude, the solar terms, the solar altitude angle and the azimuth angle of the place where the project is located, drawing a horizontal sunlight image according to the basic principle of a bar shadow sunlight image and according to the unit length and the proportion, and drawing a building plan view of the project according to the unit length and the proportion which are the same as the horizontal sunlight image, determining the height and the storey height of shielding objects and shielded objects of the building. The sunlight time of any point of a building can be conveniently and rapidly calculated through a simple sunlight analysis principle. The number of shielded storey of the building can be determined through the distance between buildings. Compared with the sunlight software and a traditional coefficient control method, the method has the advantages of being simple in operation and visual in effect when the sunlight tester is used for solving the sunlight problems. The work of changing building height and distance blindly is converted into accurate and visual physical work, and the modification process of each step is more efficient and comprehensive.

The invention provides a high-precision method for computing infrared radiation and reflection radiation heat flows on the surface of a lunar orbit spacecraft. The method disclosed by the invention is based on integral computation formulas for the infrared radiation heat flows and the reflection radiation heat flows caused by the lunar surface to the surface of the lunar orbit spacecraft and is characterized in that lunar surface infinitesimal elements are divided through a uniform simulation method, discretization is carried out to the integral computation formulas, and accumulation of radiation heat exchange among infinitesimal element faces is converted; and according to energy balance of infrared heat flows and absorbed solar heat flows of each infinitesimal area of a lunar sunlight face, a computation method of lunar infinitesimal element face infrared radiation intensity is obtained. Through coordinate conversion and vector expression, computation of the infrared radiation heat flows and the reflection radiation heat flows caused by the lunar surface to the surface of the lunar orbit spacecraft is finally converted to vector (matrix) computation, so that programming computation becomes convenient. Meanwhile, the method is extensively universal and has the advantages that star infrared radiation heat flows and reflection radiation heat flows based on any star, any orbit and a spacecraft with any geometric shape can be computed.

An inverter system (1) for a photovoltaic solar installation for generating an AC voltage from a DC voltage of a solar generator (2) is provided which includes an additional energy storage device (38) which is arranged in an energy transfer path that can be activated when needed. A control arrangement (31, 39) for monitoring and controlling the operation of the inverter system (1) is designed to detect short-term energy peaks of the insolation at the solar generator and, upon a presence of insolation peaks, to activate the energy transfer path (36) in order to cause a transfer of energy from the solar generator (2) to the energy storage device (38). Also a method for the operation of an inverter system for a photovoltaic solar installation for the utilization of insolation peaks at the solar generator is disclosed

The invention discloses high-performance double-silver low-radiation energy-saving glass, which belongs to the field of an eco-friendly energy-saving building material. The structure of an energy-saving glass membrane layer comprises, in sequence, a glass substrate, a first base layer which is a silicon nitride layer, a second seed layer which is a zinc oxide layer, a third functional layer which is silver layer, a fourth protective layer which is a nickel cadmium layer, a fifth dielectric layer which is a silicon nitride layer, a sixth dielectric layer which is a tin zinc oxide layer, a seventh seed layer which is a zinc oxide layer, an eighth functional layer which is a silver layer, a ninth protective layer which is a nickel cadmium layer, a tenth dielectric layer which is an aluminum zinc oxide layer, an eleventh layer which is a silicon nitride layer, and a twelfth protective layer which is a graphite layer. Through arrangement of a coating membrane layer material on the glass substrate and arrangement of a membrane layer thickness, the energy-saving glass reflects gray and blue colors outdoors, and has visible light transmittance between 42-60%. The energy-saving glass is excellent in performance, has a shading coefficient less than 0.3 and selectivity coefficient more than 1.4, and is quite suitable for hot areas that have high environment temperature all the year round and intense average sunshine.

The invention provides a method for calculating the solar radiation amount of various components in a space structure, which comprises the following steps of: establishing a calculation model, a modelcoordinate system and a light coordinate system according to each rod system component in the space structure; carrying out coordinate system transformation on each element in the calculation model;carrying out bounding box detection on plane projections of any two rod system components in the space structure in a light coordinate system; determining the shielding relation between any two rod system components; for any two rod system components with a shielding relationship, calculating to obtain a sunshine shadow interval formed by one rod system component on the surface of the other rod system component; calculating to obtain a direct solar radiation coefficient of any rod system component; according to the direct solar radiation coefficient of each rod system component, calculating toobtain the solar radiation quantity received by the surface of each rod system component in unit time at a preset moment. By applying the method, the solar radiation quantity of various components inthe space structure can be calculated.

The invention relates to a distributed type solar radiation prediction method based on micro-meteorology data. The distributed type solar radiation prediction method comprises the following steps that S100, a micro-meteorology collection device collects, processes and stores real-time weather data and sends the real-time weather data to a data service center regularly, and historical weather data are formed in the data service center; S200, the data service center collects and processes future weather forecast data; S300, the historical weather data obtained in the S100 are summed up and sorted up, multiple regression data analysis is carried out on the historical weather data, the atmospheric transmissivity of each period of ten days within the next year and the sunshine durations corresponding to the sunny days, the cloudy days and the rainy days of every month are obtained and are combined with the future weather forecast data obtained in the S200, and the sun radiation intensity of the future days can be obtained. The distributed type solar radiation prediction method based on the micro-meteorology data can accurately predict the solar radiation intensity of the future days.

The invention discloses an arch bridge deflection monitoring method based on temperature influence correction, which is mainly a method for high-precision monitoring of arch rib deflection of a steel box or steel tube arch bridge, and comprises the following steps: step 1, when time is t1, measuring temperature values T1 of upper, lower, left and right measuring points of any section of an arch rib, and measuring elevation or coordinate delta 1 of the arch rib of the arch bridge; 2, measuring temperature values T2 of upper, lower, left and right measuring points of any cross section of the rib when the time is t2 or after the load is changed, and measuring the elevation or coordinate delta2 of the arch bridge rib; 3, when the time is t1 and t2, the equivalent overall temperature acts on the relative elevation or coordinate delta 3 of the arch rib under the action of sunlight change; and 4, calculating the actually measured real deflection value delta = delta2-delta1-delta3 of the main arch rib after the sunlight temperature influence is eliminated under the load effect. According to the method, the influence of sunlight irradiation temperature difference on the deflection of the main arch rib is eliminated, the deflection measurement precision of the arch rib is improved, and fine evaluation of the stress technical condition of the arch rib is facilitated.

The invention relates to the technical field of satellite research, in particular to a double-degree-of-freedom solar array control method and control system. According to the double-degree-of-freedomsolar array control method, a satellite and a solar array are driven in a mode of combining a yaw maneuver and a single-degree-of-freedom SADA, the required devices are few, the accuracy is high, andthe swing type single-degree-of-freedom SADA is simple in structure and high in reliability; and an angular velocity control method is adopted, so that the torque output is controlled to be infrequent, the satellite is kept rotating in an uniform speed, and the stability and reliability of control are improved while energy conservation is achieved. According to the method, the change characteristics of a sunlight area and a shadow area are also utilized, the solar array is designed only to rotate at a constant speed in the sunlight area, while the solar array stops the movement to the sun inthe shadow area, the solar array returns to an initial posture, and waits for the arrival of the sunlight area, so that the method is more efficient, more energy-saving, and higher in control precision and accuracy. The control system is few in required devices, high in reliability, low in implementation difficulty and high in accuracy.

The invention relates to a vertical temperature gradient mode prediction method and device and a storage medium, and the method comprises the steps: building a temperature field model of a steel box girder under the action of sunlight based on the meteorological data of a region where the steel box girder is located; correcting the temperature field model according to the actually measured temperature data to obtain a temperature field refined model; determining an extreme meteorological data representative value in a bridge design reference period of a region where the steel box girder is located; and obtaining temperature distribution of the steel box girder under the extreme meteorological condition according to the extreme meteorological data representative value and the temperature field refined model, and further fitting a vertical temperature gradient mode. The vertical temperature gradient mode of the steel box girder under the extreme meteorological condition, which is obtained based on the extreme meteorological data and the temperature field refined model corrected by the actually measured temperature data, has relatively high analysis precision, can provide a basis foraccurate calculation and analysis of the temperature effect of the steel box girder, and can also provide guidance for bridge design.

The invention discloses a building height optimization design method based on a simulated annealing algorithm, aims to provide a method for solving a combination optimization problem by the simulated annealing algorithm, and a program design thought, and is applied to practical building planning optimization design. The building height optimization design method comprises the following steps: firstly, evenly dividing a proposed building area into a plurality of grids, upwards stretching the grids to form small columns, carrying out sunlight analysis on a window on the basis of a position relationship of the small columns and the blocked window, and determining the sunlight cumulative time of the window; then, on the basis of the minimum sunlight time constraint of the window, constructing a mathematical model of the optimal height of the proposed building; and finally, aiming at the mathematical model to design and solve the steps of the simulated annealing algorithm. The building height optimization design method aims at a specific mathematical model to design the reasonable simulated annealing algorithm. Compared with a traditional manual way, the automatic analysis calculation of software is quick, accurate and efficient, and an effective method and approach is provided for realizing the design of saving type land.

The invention discloses an automobile environment simulation test cabin, which comprises a bottom platform used for placing an automobile to be tested; the bottom platform is provided with an annulartrack, the annular track is provided with a sunlight simulation system, and the sunlight simulation system comprises an arc-shaped guide rail, a driving device and an irradiation lamp assembly arranged on the arc-shaped guide rail; the arc-shaped guide rail is slidably arranged on the annular rail and surrounds the outer side of the to-be-tested automobile, and the driving device drives the arc-shaped guide rail to rotate along the annular rail; the irradiation lamp assembly is arranged on the arc-shaped guide rail in a sliding mode and can be driven to move along the arc-shaped guide rail. The arc-shaped guide rail is arranged in the annular rail in a sliding mode, the irradiation lamp assembly is arranged on the arc-shaped guide rail in a sliding mode, the arc-shaped guide rail rotates along the annular rail and enables the irradiation lamp assembly to move on the arc-shaped guide rail at the same time, and therefore the simulated illumination effect is more suitable for sunlight angles in different time periods; and thus, the accuracy of the illumination test in the automobile driving environment is improved.

An embodiment of the present invention provides a power supply control system comprising: a photovoltaic power generation amount prediction unit for predicting the power generation amount of a photovoltaic power generation module on the basis of solar radiation data; a power consumption amount prediction unit for predicting the real-time power consumption amount of a consumer on the basis of pastpower consumption data of the consumer which is an object to be supplied with power; and a power supply control unit for, on the basis of information of the power generation amount predicted by the photovoltaic power generation amount prediction unit, information of the real-time power consumption amount of the consumer predicted by the power consumption amount prediction unit and information of the amount of power stored in an ESS, supplying power to the consumer by means of a controller if the real-time power consumption amount of the consumer is greater than a target power demand of the consumer.

The invention discloses a photovoltaic power station monitoring system and method and a storage medium. The photovoltaic power station monitoring system comprises a plurality of MPPT interface monitoring units, an audible and visual alarm and a monitoring terminal which are all connected with an operation controller. Each MPPT interface monitoring unit comprises a voltage and current monitoring module, a temperature sensor and a sunlight radiation sensor; the MPPT interface monitoring units preprocess monitoring data of the voltage and current monitoring module, the temperature sensor and the sunlight radiation sensor and then send the monitoring data to the operation controller in real time, the operation controller sends an operation analysis result to the audible and visual alarm after preset algorithm operation and control strategy analysis, early warning is sent out, and meanwhile the operation analysis result is sent to the monitoring terminal. And real-time monitoring data and early warning information are provided for further operation of an administrator. Compared with the prior art, the photovoltaic power station monitoring system can monitor the working state of the photovoltaic power station in real time, can identify abnormity or fault hidden dangers of photovoltaic strings and assemblies, timely discovers and eliminates faults, and enables the photovoltaic power station to well and orderly work in an optimal state.

The invention discloses a fuzzy C-mean clustering-based water-wind-solar power supply capacity configuration method in a microgrid. The method comprises the steps of calculating the power supply capacity configuration in the water-wind-solar microgrid, and at the same time, reflecting the randomness of the storage flow, wind speed and sunlight intensity changes for many years, so that the theoretical guidance is provided for the power supply capacity configuration, power generation output prediction and operation scheduling of the water-wind-solar microgrid, and the necessary technical supportis provided for the distributed new energy power generation and the intelligent power grid scheduling operation.

The invention discloses an optimization method for the water-wind-solar power supply capacity configuration in a microgrid. The method comprises the steps of calculating the power supply capacity configuration of in the water-wind-solar microgrid, reflecting the randomness of the changes of storage flow, wind speed and sunlight intensity for many years; meanwhile, reflecting the uncertainty and randomness of the sunshine duration, sunshine shadow, sunshine deflection angle and the like, so that the theoretical guidance is provided for the power capacity configuration, power generation output prediction and operation scheduling of the water-wind-solar microgrid, and the necessary technical support is provided for the distributed new energy power generation and the intelligent power grid scheduling operation.

The invention provides a solar photovoltaic power generation system with high conversion efficiency. The system comprises a solar panel, a sunlight tracking module, a power storage and distribution module and a panel cleaning module, wherein the sunlight tracking module is used for adjusting the facing direction of the solar panel according to the sunlight direction of the position where the solar panel is located; a power output distribution module is used for judging a power output fluctuation coefficient of the solar panel and selecting a power output node according to a judgment result; and the panel cleaning module is used for calculating the power generation efficiency of the solar panel and cleaning the panel of the solar panel when the power generation efficiency is smaller than a preset lower limit threshold value. According to the invention, an excellent external environment coping scheme, an accurate automatic sun tracking system and an efficient power output scheme are provided, so that the conversion efficiency of solar photovoltaic power generation is improved.

The invention discloses a calculation method for radiating and ventilating air speed of a main transformer chamber of a transformer substation. Namely, the heating value of the main transformer chamber is evaluated according to the heat converted by reactive loss of the main transformer in the main transformer chamber, the heating value of a full-insulating copper pipe bus under the operating current, the heat transferred to the main transformer chamber by the air temperature and sunlight outside the main transformer chamber, and the heating value from illuminating lamps in the main transformer chamber; then the ventilation quantity in the main transformer chamber is calculated; and the radiating and ventilating air speed of the main transformer chamber of the transformer substation is calculated according to the evaluated effective ventilating area. The calculation method has the technical effects that the shortcoming of underestimation on the heating value of the main transformer chamber of the transformer substation by the conventional calculation method is effectively overcome; and the ventilation quantity required by radiating is reasonably improved when the transformer substation is designed so as to ensure that the temperature in the main transformer chamber is within a reasonable range in order to effectively ensure the normal operation of the main transformer and other equipment in the main transformer chamber of the transformer substation.

The present invention relates to the compatibility of solar water heater in pressure mode and no-pressure mode for obtaining high heat efficiency, comfort and comprehensive utilization. In pressure mode, two or more solar water heaters are connected serially to form one water heating box combination which this has high hot water utilization, low temperature lowering, water pressure, wave feeling and bathing comfort. In no-pressure mode, two or more solar water heaters are connected in parallel to form one water heating box combination which has hot water from different water heating boxes simultaneously, increased pressure, raised comfort, basically unchanged water temperature.

The present invention discloses an equivalent wind speed measurement method based on the dynamic increasing capacity of a transmission line and a measurement device thereof. The method comprises the following steps: the step 1, measuring the historical operation data and the environment data of a transmission line through a sensor, wherein the historical operation data includes the operation time, the operation current and the wire temperature of the transmission line historical operation, and the environment data includes the environment temperature and the sunlight intensity; the step 2, fixing a wind angle, and establishing the calculation method of the equivalent wind speed; the step 3, calculating the equivalent wind speed of the operation wind speed based on the calculation method; in the step 4, performing statistical induction of the daily variation rule and the seasonal variation rule of the equivalent wind speed obtained in the step 3; and in step 5, determining the equivalent wind speed in the dynamic increasing capacity of the transmission line according to the variation range of the wind speed at morning, noon and night in one month according to the daily variation rule and the seasonal variation rule of the equivalent wind speed in the step 4.

The invention discloses a building sunlight analysis system based on big data, which is used for solving the problem that in the prior art, when a house is purchased, the specific lighting quality ofthe house cannot be obtained, so that the lighting effect of the house cannot be judged. The system comprises an acquisition module, a processor, a cloud platform database, an intelligent terminal, acommunication module, a retrieval module, a cache database, a sunlight simulation module, a sunlight analysis module and a sending module. According to the building sunlight analysis system based on the big data, the lighting mass Cefg is obtained through a formula; the formulais used for obtaining the lighting mass Cefg; The larger the lighting mass Cefg is, the better the lighting effect is; Formula Gefg = tc- Obtaining an automatic updating time Gefg according to the Kefg * u4 * tb; Wherein the larger the Kefg is, the shorter the automatic updating time is, and the faster the updating speedis; Through sunshine analysis on each set of room of the building, a user can conveniently purchase a house for reference.

The invention discloses a prediction method for the spontaneous and self-use comprehensive electricity price of a distributed photovoltaic power station, and related assemblies. The method comprises the steps: determining a power time function P(t) of a distributed photovoltaic power station; carrying out definite integral calculation on the power time function to calculate a daily electricity generating capacity time function W(t); predicting to acquire daily average electricity generating capacity, and calculating a peak power a; calculating the theoretical electricity generating capacity ofthe distributed photovoltaic power station in each specified time period and the average electricity consumption corresponding to the specified time period; and multiplying the self-use electricity generating capacity of each time period by the electricity price of the corresponding time period, multiplying the on-grid electricity generating capacity by the local benchmark electricity price, andperforming comprehensive statistics to acquire the comprehensive electricity price of the self-use mode of the distributed photovoltaic power station. According to the embodiment of the invention, theoutput power change of the photovoltaic power generation along with the change of the sunlight intensity is fully considered, and the factors influencing the spontaneous and self-use comprehensive electricity price are comprehensively considered, so that the accuracy of the prediction result is high.

The present invention relates to a merged / combined power generation system using solar heat and wind power, the system: driving a solar heat amplification and collection device and a wind power generation device by using solar heat and wind power, such that the devices are linked to each other so as to produce or generate thermal energy and electric energy, thereby maximally increasing the utilization efficiency of natural energy such as solar heat and wind power, and enabling the energy to be efficiently produced or generated even in an environment such as that on a day with low solar irradiance, such as a cloudy day and night, or on a windless day; driving a solar heat amplification and collection device and a wind power generation device by using solar heat and wind power such that thedevices are linked to each other so as to produce or generate thermal energy and electric energy, thereby maximally increasing the utilization efficiency of natural energy such as solar heat and windpower, and enabling the energy to be efficiently produced or generated even in an environment such as that of a day with low solar irradiance, such as a cloudy day and night, or on a windless day; specifically, providing a vacuum heat collection tube having a heat collection element, when a solar heat collection part of the solar heat amplification and collection device collects the solar heat, such that the solar heat is heated by the heat collection element, thereby improving heat collection efficiency; and providing, at one side of a blowing tube, an air regulating means for regulating theamount of the wind supplied from a blower fan on the basis of a temperature value measured through a heat source sensor, so as to supply the wind by regulating the amount of the wind supplied by the blower fan when solar irradiance is low, such that the solar heat collected by the heat collection tube is collected without external influences, and thus the collected solar heat can be used as thermal energy or electric energy.

The invention discloses a public institution passive energy and active energy supply evaluation system and method. The resource indexes in the system comprise passive energy resource quantity, activeenergy supply quantity and resource availability, the passive energy resource quantity adopts geothermal energy resource quantity or solar energy resource quantity, the active energy supply quantity comprises coal supply quantity and natural gas supply quantity, and the resource availability adopts geothermal energy availability or effective sunshine duration the technical indexes comprise publicinstitution load demand; the economic indexes comprise policy subsidies and fixed asset investments, and the policy subsidies adopt geothermal energy policy subsidies or solar energy policy subsidies;the environmental indexes comprise carbon dioxide emission reduction; the method comprises the steps of constructing an evaluation matrix; performing standardization treatment; calculating specific gravity and entropy; calculating the weight of each index; and evaluating the coupling scheme of the active energy and the passive energy of each province by utilizing the comprehensive score evaluation calculation model.

The invention discloses a method and a device for controlling air conditioning equipment. The method comprises the following steps of acquiring sunlight information of a target space, wherein the sunlight information comprises a sunlight distributing value and a sunlight intensity value; determining a load distributing value of the target space according to the sunlight distributing value and thesunlight intensity value; and controlling an operating mode of the air conditioning equipment in the target space according to the load distributing value. The method and the device solve the technical problem that it is unable to control operation of an air conditioner accurately according to the load condition of a room of the air conditioner in the prior art.