187 results about "Sunshine duration" patented technology

A tradable investment index and method for weather futures, comprised of weather data transformed using the steps of extracting historical weather data, including weather measures such as precipitation, wind speed, temperature and sunshine hours, providing the weather data to a computer database, operating on the values in the database using a computer and software program, and transforming the resulting set into an index, which is tradable in the financial, weather derivative or insurance markets.

An estimated value or a predicted value of an output of photovoltaic generation is easily and properly determined. A learning processor constructs an output calculating model based on a measured value of an output of photovoltaic generation, sunshine hours, and a solar altitude in a learning period. The output calculating model calculates the output of the photovoltaic generation based on the sunshine hours and the solar altitude. An output calculator calculates an estimated value of the output of the photovoltaic generation in an estimation period and a predicted value of the output of the photovoltaic generation in a prediction period based on a measured value of the sunshine hours in the estimation period and the solar altitude or a predicted value of the sunshine hours in the prediction period and the solar altitude. Additionally, the features may be applied to a photovoltaic power system.

The invention discloses a solar LED lamp controller, which comprises a solar panel, an energy storage battery, a power conversion circuit, a dimming circuit, a light source circuit, a charging volume sampling circuit, an amplifying circuit, a singlechip circuit, a push button circuit and a drive circuit, the sampling circuit real-timely samples the current charged to the energy storage battery by the solar panel, and converts the sampled current into a voltage signal, which is amplified and outputted to the singlechip circuit, the singlechip circuit calculates intraday charging volume, a corresponding control signal is generated to the dimming circuit according to the corresponding relation between the intraday charging volume and output control, the dimming circuit modulates the power conversion circuit, so that the power conversion circuit can output different corresponding power to regulate the light of a light source, consequently, the solar panel and the energy storage battery which have the same configurations still can normally switch on the lamp in more successive cloudy days under the circumstance of meeting the minimum illumination effect of the light source, and thereby the illumination guarantee rate is increased. The technique is particularly suitable for regions with short daily sunshine durations in winter.

An irrigation and fertilization system based on crop environment cooperative feedback comprises a meteorological station, a soil humidity sensor, a leaf area index measuring instrument and a controller. After the meteorological station, the soil humidity sensor and the leaf area index measuring instrument obtain the sunshine duration, air pressure, air temperature, air humidity, precipitation amount, small climate environment 2-meter high wind speed, solar radiation, field water holding capacity, field water holding rate, water saturation degree, moisture content of withering point soil, a wilting coefficient and leaf area index parameters related to growth of crops, the parameters are transmitted to the controller for data processing and calculation, the infiltration amount, the potentialinfiltration amount, the potential crop transpiration amount, the soil surface potential evaporation amount and potential evaporation amount parameters are obtained, and a mathematical model is further established through calculation to form an irrigation plan.

The invention discloses an interplant high-yielding cultivation method for potato and corn, comprising the steps of preparing seeds and preparing earth, sowing, topdressing, preventing and treating diseases and the like. In the cultivation method disclosed by the invention, by combining the self-growth characteristics of the potato and corn, planting conditions are scientifically and reliably controlled, the effective utilization of soil is improved and the defect of the potato and corn in a single cultivation mode is overcome, so that the yields of the potato and corn are effectively increased, simultaneously the influence of adverse conditions such as a great amount of rainfall in growth seasons, a great amount of fog and dew, large humidity in a filed, less sunshine duration and the like is overcome, the resistivity of potato plants on late blight is improved, and virus infection opportunity is reduced. The acre yield of potato is not less than 3100kg, the acre yield of corn is not less than 450kg, and the yields of the potato and corn are stable, thus the cultivation method is applicable to popularize and implement in southwestern mountainous areas.

The invention relates to the field of restoration of water ecological environments. An ecological restoration monitoring system for early warning outbreak of water blue algae is an ecological restoration monitoring system for preventing the outbreak of blue algae and aims at monitoring the generation and development of blue algae and early-warning of algal bloom so as to provide decision-making basis for water ecological restoration. According to the technical scheme, the ecological restoration monitoring system is characterized in that a chlorophyll sensor is used for acquiring components of blue algae in water; a sunshine duration sensor and a wind speed and direction sensor are used for acquiring hydrological environment for the growth of blue algae; a water fish detector is used for acquiring the quantity of fish in water of different depth; a shooting sensor is used for acquiring the water condition of a water area to be monitored; the data acquired by the sensors are transmitted to a monitoring system platform through a data acquiring managing module, and the monitoring system platform manages the ecological information of water suffering from algal bloom early-warning in different water areas according to the data.

The invention discloses a short-term climate forecast method based on Kalman filtering and evolution modeling. The method comprises the following steps of: establishing a linear model about a forecast factor by the Kalman filtering at first; and simulating an error sequence approaching the Kalman filtering by using a non-linear ordinary differential equation math model on the basis of the linear model a, and performing error forecast. An evolution algorithm is an evolution process for simulating the nature by using a computer, in particular a calculation method for solving complicated problems by simulating biological evolution processes, and has the intelligent characteristics of self-adaptation, self-organization, self-learning, internal parallelism and the like. The two algorithms are combined with each other, so the natural characteristic of the climate can be simulated better than being simulated by a pure linear model, so the climate forecast precision is enhanced. By the method, short-term sunshine duration, temperature and rainfall can be forecast, so future knowledge of the short-term climate can be provided.

The invention discloses a sunshine duration measuring method based on sky visible-light images. The sunshine duration measuring method includes acquiring a series of sky visible-light images by image acquisition equipment at preset intervals; searching high-brightness pixels in a preset area of each sky visible-light image and counting the quantity of the high-brightness pixels; judging whether sunshine is shot in each sky visible-light image or not; determining that the sunshine is shot in a certain sky visible-light image when the quantity of the high-brightness pixels of the sky visible-light image is larger than or equal to a high-brightness pixel quantity threshold, and determining that the sunshine is not shot in the certain sky visible-light image when the quantity of the high-brightness pixels of the sky visible-light image is smaller than the high-brightness pixel quantity threshold; and computing sunshine duration according to the time interval and the quantity of the sky visible-light images shot with the sunshine. The relevance among the sky visible-light images and the direct solar irradiation intensity is built by means of fitting analysis, and accordingly the novel method for detecting or measuring the direct solar irradiation intensity in an image processing and analyzing mode is provided. The method provides a novel selectable scheme for measuring the sunshine duration.

The invention discloses a wireless charging method and an apparatus, the method comprises a photoelectric conversion step which is characterized in that the step is carried out through a photoelectric conversion module, and the photoelectric conversion module contains a solar energy panel and a first power supply coil; a wireless power-supply energy-storage step which is characterized in that the step is carried out through a wireless power-supply energy-storage module, the wireless power-supply energy-storage module at least contains a first charging coil, a cell unit and a second power supply coil; and a wireless power supply step which is characterized in that the step is carried out through a wireless power supply module, the wireless power supply module contains a second charging coil. Through enforcement of each step, the electric energy conversion can be carried out without restriction at sunshine duration, electric power of a supply socket is not required, and the usage is convenient.

The invention provides a sunshine simulation analysis method, a sunshine simulation analysis device and a computer readable storage medium. The sunshine simulation analysis method comprise the following steps: acquiring the climate data of the target city in a simulation time period; calculating the sunshine hours of each analysis point of the target building model in the simulation time period based on the obtained climate data and the currently set sunshine analysis parameters; displaying the sunshine analysis interface in real time, wherein the sunshine analysis interface includes the three-dimensional diagram of the target build model and the sunshine hours of each analysis point of the target building model in the simulation time period obtained by last calculation; and returning to the step of executing calculating the sunshine hours of each analysis point of the target building model in the simulation time period based on the climate data and the currently set sunshine analysisparameters and the step of displaying the sunshine analysis interface in real time when the sunshine analysis parameters are adjusted. According to the technical scheme, the efficiency of sunshine simulation analysis can be effectively enhanced.

The invention provides a city near-surface layer thermal environment multi-point instant sampling measurement method. The method comprises steps that (1), the analysis demand is taken as a limiting condition, a measurement area is selected according to the meteorological data; (2), a three-dimensional building model of the measurement area is constructed on the basis of a city satellite map and the main street tree data, sunshine analysis on the three-dimensional building model is carried out, and a sunshine analysis model reflecting the relationship between latitude and longitude coordinates and the average sunshine duration of the measurement area is generated; subarea processing on the sunshine analysis model is carried out according to a type of an underlying surface of the measurement area, each subarea of a sunshine analysis graph is sampled by taking the average sunshine duration as an axis and deltat as the sampling time interval, and multiple sampling areas are acquired; N measurement points are uniformly distributed in each sampling area at equal density, and latitude and longitude coordinates of each measurement point are acquired; and (3), the equal-altitude thermal environment characteristic data of the measurement points is acquired. Through the method, objectivity of selected points and synchronism and completeness of data samples are realized.

The invention provides an out-of-season facility seedling raising method for astragalus membranaceus. A quadrature arc bamboo type ordinary sunlight greenhouse is adopted as a seedling raising greenhouse. The condition includes an altitude of 1000-2500m, and sandy soil with abundant organic matter is better to be selected as the soil. In the process of seedling raising in the out-of-season (from October to the year ensuing March), average sunshine duration is 3.5-4.2d/h, and percentage of sunshine is 40%-45%. The method is that in the process of the seedling raising, daylight room temperature of the sunlight greenhouse is controlled between 17 DEG C and 25 DEG C, nighttime room temperature of the sunlight greenhouse is controlled between 10 DEG C and 15 DEG C, and humidity of the sunlight greenhouse is controlled between 65 % and 85 %. Astragalus membranaceus germchit cultivated by the method is good in appearance quality, high and stable in yield and strong in operability of the method. The purposes of modernization, standardization and large-scale production of traditional Chinese medicinal materials can be achieved.

The invention provides a bedclothes drying machine. The bedclothes drying machine comprises a box; a bedclothes inlet is formed on one side of the top of the box, while an air vent is formed on the other side; a bedclothes outlet is formed in the bottom of the box; two groups of conveyor belts are arranged up and down inside the box; a lamp panel is arranged above each group of conveyor belt; heating lamps are mounted on each lamp panel. The bedclothes drying machine is capable of dying the bedclothes twice by feeding once. Due to the design of a ventilation device, the bedclothes dried and sterilized by use of the bedclothes drying machine smell cleaner. The bedclothes drying machine is convenient for the life of people and capable of improving the quality of the life of people. Besides, the bedclothes drying machine is novel in design, simple and reliable in structure, and very suitable for people living under the weather conditions of short sunshine duration and humid air to dry bedclothes.

Provided is an environmental factor prediction device that includes a predictor and predicting means. The predictor uses, as explanatory variables: water quality data in a plurality of layers in water, the data including a value corresponding to a biochrome level or a bioluminescence level (e.g. chlorophyll concentration), water temperature, salt concentration, dissolved oxygen, turbidity and flow rate; and meteorological data including atmospheric temperature, precipitation and sunshine duration, and outputs an estimated value of each item of the explanatory variables at a unit time later, based on time series data of the explanatory variables. The predicting means predicts the water quality data up to an N unit time later by repeating prediction using the estimated value acquired by the predictor as input of the predictor again. According to the present invention, the environmental factors that cause generation of red tide, blue tide or water bloom, diseases of fish, and the like, can be predicted, on a long term basis and at high accuracy.

The invention provides a delavay peony bark seed propagation method, and belongs to the technical field of seed propagation. The method includes the steps of land selection, seed preparation, seeding, management after seeding and transplantation. During land selection, a plot with loose soil, long sunshine duration, ventilation property, good drainage property and sufficient water resources is selected as a nursery land, ripe delavay peony bark fruits are picked in September, fruit peel is stripped down to obtain fresh seeds, moldy, worm-eaten or imperfect seeds are removed, the selected seeds are placed into clear water and soaked for 20-40 minutes in the same day, the seeds are soaked in 100-1000ppm gibberellin for 0.5-6 hours, taken out, drained and then uniformly spread to the nursery land in the same day, the seeds are covered with a matrix soil layer, the matrix soil layer is covered with a moisturizing layer, a seeded seedling bed is watered and drenched to 5-15cm, and transplantation can be performed 11-12 months after seeding. The method is simple in operation, high in propagation efficiency and convenient in popularization and application.

The invention discloses a solar drying system and a solar drying method. Aiming at the defect that the solar drying system and the solar drying method in the prior art cannot perform continuous drying, the invention provides a solar continuous drying system and a solar continuous drying method. The drying system introduces hot air into a drying chamber through an air path pipeline; a heat supply system comprises a solar air heat collector and a solar water heat collector; air heated by the solar air heat collector is directly blown into the drying chamber; hot air is obtained through heat exchange of water heated by the solar water heat collector and then is blown into the drying chamber; and an automatic control system of the continuous drying system judges and selects the hot air source blown into the drying chamber and opens and closes the pipeline. Solar heat collectors with two heat exchange working mediums are adopted, so the time difference of utilizing the solar energy is generated, the technical problem that continuous drying operation cannot be realized caused by that the solar drying system or the solar drying method are limited by the sunshine duration condition is solved, electric energy can be saved greatly when large articles are subjected to solar drying operation, and an excellent drying effect is achieved.

The invention discloses a long-time sequence near-surface ozone inversion method based on a neural network. The method comprises the following steps: S1, acquiring satellite remote sensing monthly-scale ozone column concentration data according to satellite remote sensing data; s2, performing multi-temporal interpolation calculation on the meteorological data of the ground monitoring meteorological station to obtain meteorological data with spatial distribution characteristics, wherein the meteorological data of the ground monitoring meteorological station comprises temperature, wind speed, air pressure, relative humidity and sunshine duration; s3, establishing a near-surface ozone inversion neural network model according to the satellite remote sensing monthly-scale ozone column concentration data and the meteorological data with the spatial distribution characteristics, and training the near-surface ozone inversion neural network model; and S4, performing simulation test on the near-surface ozone inversion neural network model. The inversion method is high in precision and simple to operate, can realize relatively accurate near-surface ozone concentration measurement, and can obtain a near-surface ozone concentration data set capable of accurately reflecting seasonal change, annual change and spatial distribution.

The invention discloses a method for measuring peak sunshine hours, which comprises the following steps: (1) using calibrated standard solar cells to divide each day into N time periods with a duration of t and measuring instantaneous radiation intensity S of each time period, wherein the daily radiation quantity can be calculated according to an equation that Q is equal to N,S and t and the corresponding daily peak sunshine hours can be calculated according to an equation that Hp is equal to NST/1,000; (2) obtaining daily average peak sunshine hours of each month and yearly average peak sunshine hours by using an averaging method; and (3) storing and exporting the data on the daily peak sunshine hours, monthly average peak sunshine hours and yearly average peak sunshine hours. The method can directly obtain peak sunshine hours and make photovoltaic system design more visual and convenient.

The invention discloses a planting method capable of improving sugariness of Kupla sweet corn. The planting method comprises the following steps of selecting land which is flat in terrain, fertile in earthiness, good in permeability and good in water retention, and has irrigation and drainage conditions; selecting planting geographic climatic conditions, wherein the mean air temperature throughout the year is 17-22 DEG C, the average temperature from June to September is between 19-23 DEG C, the mean air temperature of January is 8 DEG C or above, the frost-free period lasts for 250 days or above, the annual sunshine duration is 1800-2100 hours, the annual rainfall is 1000-1800mm, and the relative humidity of air is 75-90%; and performing soil preparation, classifying seeds, performing sowing, performing field management, and performing harvesting so as to obtain the Kupla sweet corn. According to the planting method disclosed by the invention, an appropriate compounding ratio of a fertilizer is adopted, so that nutrients required for the growth of the sweet corn are met; a classified sowing manner is adopted, so that the sweet corn is harvested by stages, and the harvested sweet corn appears on the market in a balanced manner; promotion of the growth of the sweet corn is facilitated, and resource waste is reduced; the sugariness of the sweet corn is improved; and corn stalk borer is controlled through carbofuran granules or BT emulsion, diseases and insect pests can be well controlled, and the growth of the sweet corn is not influenced neither.

The invention discloses a generating capacity calculating method and system for a water-cooling photovoltaic-photothermal power generating system based on an n-dimensional trapezoid fuzzy set. The method includes: calculating the output power added value of a photovoltaic power generating panel; using the n-dimensional generalized trapezoid fuzzy set to calculate the effective sunlight intensity of a preset region, and calculating the power generating power of the photovoltaic power generating panel of a water-cooling photovoltaic system according to the effective sunlight intensity; calculating the electric efficiency added value of a water-cooling photothermal system; calculating the power generating power of the water-cooling photothermal system according to high-temperature high-pressure steam quantity and the electric efficiency added value; using a statistical analyzing method to calculate the n-dimensional generalized trapezoid fuzzy set of the multi-valued fuzzy uncertain relation between the output power of the water-cooling photovoltaic system and sunshine duration; calculating the generating capacity of the water-cooling photovoltaic system and the generating capacity of the water-cooling photothermal system to obtain the generating capacity of the water-cooling photovoltaic-photothermal power generating system. By the method, the generating capacity of the water-cooling photovoltaic-photothermal power generating system can be predicted accurately.

The invention relates to a guiding system for assisting the installation of a solar panel and a guiding method thereof. The guiding method comprises the following steps of: establishing a plurality of longitude and latitude data in a database; calculating the bright sunshine durations of solar energy of the solar panel arranged with different angles in various areas in a whole year by a processing device through a simulation program according to the running track of sun and the longitude and latitude data; calculating the generated energy of the solar panel arranged with different angles in various areas in the whole year according to the properties of the solar panel; and storing the data of the generated energy to the database. The data of the generated energy of the area corresponding to coordinates can be retrieved from the database through the actually installed coordinates of the solar panel and the actually installed coordinates of the solar panel are provided by a positioning device, so that know the best inclination angle and the best azimuth angle of installation of the solar panel to obtain the maximum generated energy of the solar panel can be known.

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 a composite type freshwater fish culture pond. The freshwater fish culture pond includes a cuboid pond body, a partition wall is arranged in the pond body and partitions the pond body into a growth pond and a fishing pond, the pond bottom of the growth pond is oblique, and the bottom surface of the growth pond gradually ascends from the end away from the fishing pond to theend close to the fishing pond; the bottom surface of the fishing pond is lower than the highest point of the bottom surface of the growth pond, a water gate is arranged on the partition wall and internally provided with an openable gate, and a rollable sunshade is arranged above the pond body. The composite type freshwater fish culture pond has the advantages that during culture, the gate can bemaintained in a closed state to separate the growth pond from the fishing pond, and in a harvest period, a driving or feeding mode can be adopted for gathering fish groups at a gate end of the growthpond; by opening the gate, fishes flow into the fishing pond along with water, and more convenience is provided for fishing; a part of water is always reserved in the growth pond to continue culture of remaining fishes; meanwhile, during the seasons when the sunshine duration is long and the illumination intensity is high, by opening the rollable sunshade, the illumination reception time of the pond body can be controlled, and therefore a microorganism environment in the water is adjusted.