22 results about "Wind damage" patented technology

The invention relates to the technical field of meteorological disaster monitoring and early warning and numerical forecasting fusion, in particular to an extreme gale weather forecasting method based on a weather forecasting large model, which comprises the following steps: acquiring a numerical weather forecasting three-dimensional physical field, a weather radar, a weather satellite and ground meteorological observation and assimilating the numerical weather forecasting three-dimensional physical field into a consensus field; time advances, sinking potential energy and cold pool diagnosis are obtained through a micro-downburst calculation program, coarse-resolution gust is formed through boundary layer similarity mapping and a hysteresis kernel, and a fine-scale base map is generated under cold pool frontal surface limitation through optimal transmission of advection constraint; the conditional diffusion probability generation model outputs pixel gust distribution and a threshold exceeding probability and extracts a wind damage polygon; radar, satellites, lightning and ground gust are fused, monotonous normalized flow calibration is used, parameters are updated through intersection-to-parallel ratio and shape-preserving coverage inspection and online amplitude limitation, and the credibility of spatial positioning, occurrence time and probability description is improved.

The present invention discloses a method for determining the wind load-bearing capacity of a 270-degree interlocking metal roof. The method comprises: establishing a simulation model of a 270-degree interlocking metal roof, calculating parameters of the simulation model, and meshing the simulation model and setting solution conditions; defining a failure criterion for wind damage to the 270-degree interlocking metal roof, including: assuming that the roof panel is disconnected from the support when either the large ear bend or the small ear bend exceeds the edge of the support's plum blossom head; obtaining the wind load-bearing capacity at wind failure under different simulation parameters for different metal roof simulation models through simulation, thereby determining the degree of influence of different simulation parameters on the wind load-bearing capacity; determining a formula for determining the wind load-bearing capacity of the 270-degree interlocking metal roof based on parameter fitting; and verifying the accuracy of the formula for determining the wind load-bearing capacity of the 270-degree interlocking metal roof based on model testing and / or test data collection. A corresponding evaluation system, device, electronic device, and computer-readable storage medium are also disclosed.

The present invention discloses a method and system for assessing wind-induced damage to building envelope structures based on directionality and multiple openings. This method considers two types of wind-induced damage assessment: wind direction and multiple openings. Based on a simplified three-stage progressive damage process with potentially multiple openings, it uses first-order and multi-order MCS methods to assess envelope wind damage under various MRI conditions, separately estimating wind-induced damage to windows / glass doors and roof sheathing panels that consider directionality. This method overcomes the problem of the randomness of openings, which makes it difficult to assess from a directional perspective. Furthermore, the use of a high-order Monte Carlo method meets the requirements of simulating a double-layer cycle, achieving a double-layer cycle capable of characterizing the progressive damage of building structures. This method can quickly and accurately estimate wind-induced damage to the envelope components of low-rise buildings, thereby promoting damage mitigation strategies.

This invention relates to the field of wind power generation technology, and more particularly to a self-righting wind power generation device. It includes a wind-direction rotating support, a wind-resistant tilting adjustment component, and a wind power generation component. The wind-direction rotating support has legs on both sides of one end of its support column. A second support rod is installed between the top of the support column and the wind power generation component to achieve rotation in the direction of maximum wind power, thereby maximizing wind resistance and improving power generation efficiency. The wind-resistant tilting adjustment component consists of a telescopic mechanism. The stronger the wind, the greater the pressure, causing the support rod to shorten and tilt, reducing the overall height of the wind power generation component and decreasing the windward area, thus preventing wind damage. Conversely, when the wind power decreases, the pressure decreases, and the support rod extends, placing the entire wind power generation component at its highest position, maximizing the windward area and maximizing wind power generation. The wind power generation component consists of wind turbine blades and a generator, achieving highly efficient wind power generation.

The present invention provides a method for calculating the wind deflection of a transmission tower-line system, belonging to the technical field of electric power engineering. This technical solution studies the characteristics and formation mechanism of the gentle wind field of typical transmission line segments in Qinghai under specific topographical and geomorphic conditions. Based on a large amount of wind field data under micro-topographical conditions, combined with wind tunnel tests and theoretical calculations, it analyzes the wind deflection mechanism of typical tower structures and the possible occurrence laws of wind damage tripping and even tower collapse. Based on the data from theoretical research and wind tunnel tests, a wind deflection calculation model for the transmission tower-line system under micro-topographical conditions is established, achieving breakthroughs and innovations in the wind deflection mechanism and prevention errors of transmission lines. The present invention is conducive to improving the technical level of disaster prevention and mitigation of the power system, providing theoretical guidance for the subsequent erection of transmission lines in areas with similar topographical and geomorphic conditions in Qinghai, and thus improving the safety and stability of the power system.

A photovoltaic power generation device that utilizes natural wind to automatically adjust its angle relates to the field of photovoltaic power generation devices. It comprises two fixed steel support structures, with a photovoltaic panel matrix consisting of multiple panels connected by steel wire ropes between the two fixed steel support structures. The panels' posture is adjusted using a mating structure consisting of main and secondary support rods hinged to the steel beams. The two supports allow the steel beams and panels to adjust their angles simultaneously within a windbreak angle range of 20 to 36 degrees, providing a natural windbreak effect. This significantly reduces wind damage to the photovoltaic power generation device and protects its normal operation.

The invention discloses a wind-proof, sand-blocking and rain-collecting device for a protective forest belt and a protective forest belt construction method, and belongs to the technical field of ecological restoration systems. A hollow sleeve is arranged at one end of the cover plate, and bottom feet are obliquely arranged on the two sides of the other end of the cover plate and inserted into the ground; a steel pipe penetrates into the hollow sleeve, and the two ends of the steel pipe are fixed between the two stand columns in a sleeve mode; the two groups of flow guide assemblies are symmetrically arranged; each group of flow guide assembly comprises two flow guide ridges formed by stamping a cover plate, and hollow air holes are reserved in the lower parts of the flow guide ridges; the diversion ridges are obliquely arranged relative to the central axis of the cover plate; the water collecting cylinder is fixedly arranged at the other end of the cover plate, two ends of the water collecting cylinder are sealed, water injection holes are formed in two sides of the top, and the water collecting cylinder is located on the lower edge of the outer side of the flow guide ridge and receives rainwater collected through the flow guide ridge after being intercepted by the cover plate; one end of each micro dropper is communicated with the bottom of the water collecting cylinder, and the other end of each micro dropper is bound to the root of a tree root through a hemp rope. The device integrates the functions of wind prevention, water collection and sand stabilization, rainwater is slowly released, forestation difficulties such as wind damage, sand burying and rainfall shortage in related areas can be overcome, and a long-acting green sand stabilization barrier can be built in an assisted mode.

This invention belongs to the technical field of intelligent equipment and unmanned systems for marine fisheries, and particularly relates to a feeding equipment and operation method for marine fisheries drones adapted to high sea states. An environmental perception module acquires environmental information data and attitude data of the flight platform. The operation control terminal controls the attitude compensation mechanism based on the attitude data to ensure that the discharge port of the centrifugal feeding device always remains vertically downward. Simultaneously, based on real-time environmental information data and its built-in feeding trajectory correction model, the operation control terminal calculates the feed landing point offset and accurately corrects the landing point by controlling the flight platform to perform position compensation and / or velocity compensation. This invention improves the flight stability and anti-drift capability of drones in turbulent airflows at high sea states, actively counteracts the impact of wind damage and platform tilt on accuracy, achieves high-precision and uniform feeding under harsh sea conditions, and significantly reduces feed waste and operational risks.

The invention relates to the field of photovoltaic power generation, in particular to wind-vibration-resistant high-corrosion-resistant photovoltaic power generation equipment, and solves the problems that ventilation holes in a photovoltaic panel can be automatically opened in windy weather, wind damage is avoided, a support can be automatically reinforced, and the shaking phenomenon caused by long-time use is avoided. Comprising a photovoltaic assembly, a wind breaking assembly, a pressing assembly and a reinforcing assembly, the wind breaking assembly is arranged on the upper portion of the photovoltaic assembly, the pressing assembly is installed on the outer wall of the photovoltaic assembly, and the reinforcing assembly is located on the lower portion of the photovoltaic assembly; the photovoltaic module comprises a mounting column and a photovoltaic panel. According to the invention, through the arrangement of the wind discharging plate, the damage phenomenon caused by hard contact with wind power of the photovoltaic panel is avoided, the force discharging function is realized, through the arrangement of the mounting column, the photovoltaic supporting part can be stably inserted into the ground, and meanwhile, in order to avoid long-time use, the device is convenient to use. And the supporting part shakes due to external factors such as wind power or water and soil loss.

The invention relates to the field of door and window aluminum profiles, and discloses a multi-cavity high-wind-pressure-resistant ultra-silence system door and window aluminum profile which comprises an aluminum profile body, and the aluminum profile body is provided with a first cavity, a second cavity, a third cavity and a fourth cavity. The first chamber is communicated with the outside of the aluminum profile main body and is communicated with the fourth chamber through the second chamber, and the third chamber is communicated with the second chamber; a weakening mechanism is arranged in the first chamber, a self-adaptive conduction mechanism is arranged at the second chamber, and a moisture absorption expansion mechanism is arranged in the third chamber; the self-adaptive conduction mechanism has a first position state and a second position state, and is in the first position state. The multiple cavities and the weakening mechanism cooperate to disperse wind pressure, and the strong wind damage risk is reduced; the weakening mechanism, the self-adaptive conduction mechanism and the moisture absorption expansion mechanism jointly reduce noise, and a quiet environment is created; rainwater is frozen in winter; the moisture absorption expansion mechanism improves the stability of the door and window when rainwater is frozen in winter; in summer, rainwater absorbs heat to stabilize the temperature of the aluminum profile, energy is saved, and indoor comfort is improved.

The application discloses a kind of anti-wind ice-preventing overhead high-voltage cable based on carbon nanotube and preparation method, belong to electric power cable technical field;The cable includes cable inner core, insulating layer and ice-preventing wind-resistant outer layer that are sequentially sleeved together from inside to outside;Ice-preventing wind-resistant outer layer is high molecular composite layer with carbon nanotube, and the carbon nanotube uniformly dispersed in the inside forms continuous conductive network and mechanical reinforcement network, with active ice-preventing and wind-resistant, wind-vibration-resistant, bending fatigue-resistant performance;The application solves the technical problem that existing overhead high-voltage cable is difficult to resist icing and strong wind damage at the same time through structure optimization and material modification, has the advantages of stable structure, reliable ice-preventing, excellent wind-resistant performance, strong weather resistance, etc., mature preparation process, industrialized batch production, can significantly improve the operation safety and service life of high-voltage transmission line in harsh environment.

The present invention discloses an efficient light guiding installation bracket matched with a solar photovoltaic panel, which includes an equipment base, a photovoltaic panel, a Fresnel lens, a magnetic field generator, and a thermoelectric generator. A rotating mechanism is fixedly connected to the equipment base, and a tilting mechanism for adjusting the angle of the photovoltaic panel is movably connected to the rotating mechanism. A supporting mechanism is movably connected above the rotating mechanism. The supporting mechanism includes a fixed bracket movably connected to the rotating mechanism; through the wind resistance mechanism, adaptability to different wind environments is achieved, the magnetic field intensity of the magnetic field generator is regulated, the magnetorheological fluid increases resistance to limit shaking under strong winds, and the resistance is reduced to ensure flexible rotation in gentle winds. At the same time, the Faraday cage formed by the magnetorheological fluid shields electromagnetic interference, which not only protects the photovoltaic panel from wind damage but also ensures the stability of the electrical system, reduces the risk of equipment failure, extends the service life, and ensures the continuous and stable operation of the solar photovoltaic power generation system in a complex outdoor environment.

The invention discloses a fruit tree meteorological disaster monitoring and intelligent early warning device, which relates to the technical field of meteorological disaster monitoring and early warning and comprises a multi-source sensing unit, an edge intelligent processing unit, an autonomous response unit, an energy communication unit and a mechanical support unit. Omnibearing and multi-dimensional monitoring of various meteorological disaster factors such as frost, drought, snow pressure and wind damage is achieved through the multi-source sensing units arranged on the canopies, trunks and root zones of the fruit trees, a disaster analysis model can be directly operated locally through the core edge intelligent processing unit, the data processing speed and early warning timeliness are remarkably improved, and the early warning effect is improved. The autonomous response unit automatically triggers an early warning signal and a protection equipment control instruction according to a judgment result, and an integrated dual-mode power supply system and a dual-mode communication system ensure long-term stable operation and flexible and reliable data transmission in a field orchard environment, so that the ability of the orchard to deal with sudden and disastrous weather can be improved; disaster loss is reduced, and safe production of fruit trees is guaranteed.

The invention discloses a multi-blade flag wind power generation device based on an Archimedes spiral structure, and relates to the technical field of wind power generation, the multi-blade flag wind power generation device comprises an Archimedes spiral framework, a flexible fabric TENG flag and a TENG friction air channel, the TENG friction air channel is installed on the Archimedes spiral framework, and the Archimedes spiral framework penetrates through the TENG friction air channel; the flexible fabric TENG flag is installed on the edge of the Archimedes spiral framework, and the outer edge of the flexible fabric TENG flag is in sliding connection with the inner wall of the TENG friction air duct. According to the multi-blade flag wind power generation device based on the Archimedes spiral structure, the spiral geometry continuous curved surface design reduces the starting wind speed threshold value, wind energy can be efficiently converted into rotating motion, the energy conversion efficiency is improved, stable energy output is ensured, the wind capturing capacity of the device is enhanced, the energy capturing density is improved, and the wind power generation efficiency is improved. The flexible design of the flag can adaptively deform along with the wind speed, strong wind damage is avoided, and the durability and the long-term running stability of the device are improved.

The invention discloses a wind-resistant protection device for a new energy photovoltaic power station, and relates to the technical field of photovoltaic power generation, and the device comprises a supporting frame which is fixedly arranged on the ground, a wind power sensor is fixedly arranged on the supporting frame, and a case is installed on the supporting frame; the photovoltaic mechanism is arranged on the supporting frame; the driving mechanism is fixedly arranged on the rear side of the supporting frame; according to the invention, when the wind power is normal, the first electric telescopic cylinder and the second electric telescopic cylinder extend synchronously, the shielding plate is opened, and the photovoltaic panel is unfolded at an angle, and when the wind power sensor monitors that the wind power is large, the auxiliary mechanism is arranged on the supporting frame in a horizontally movable manner, and the driving mechanism is used for driving the auxiliary mechanism to move. The first electric telescopic cylinder body and the second electric telescopic cylinder body synchronously contract, and the photovoltaic panel contracts into the shielding plate, so that direct impact of wind on the photovoltaic panel can be remarkably reduced, the wind load is reduced, and the photovoltaic panel is effectively protected from being damaged by wind power.

The utility model discloses an environment-friendly solar charging pile which comprises a charging pile body, two sets of adjusting seats are symmetrically installed on one side of the top end of the charging pile body, solar panels are arranged in the adjusting seats, and a waterproof driving motor is installed on one side wall of each adjusting seat. The beneficial effects of the utility model lie in that the solar panel is supported by the linkage rod to be at a certain inclination angle in the use process through arranging a group of adjusting mechanism composed of the wind speed sensor, the driving motor and the linkage rod, and the wind speed sensor detects the external wind speed in real time, so that the solar panel is prevented from being damaged. When a detection value is larger than a set value, the solar panel is driven by the driving motor to rotate, the inclined state of the solar panel is adjusted to be in a horizontal state, the linkage rod rotates accordingly, the stress windward area of the linkage rod is reduced to avoid damage of wind power to the linkage rod, and then effective protection of the solar panel is achieved. And high use performance and functionality are achieved.

The utility model discloses a wind-proof support for fruit tree grafting, which belongs to the technical field of agricultural planting and comprises a lower clamping plate and an upper clamping plate, the lower clamping plate and the upper clamping plate are respectively and fixedly connected with a limiting plate, elastic rings are attached to the limiting plates, the top of the upper clamping plate is in threaded connection with an adjusting bolt, and the adjusting bolt is in threaded connection with the upper clamping plate. An upper pressing plate is rotatably connected to the bottom of the adjusting bolt, a spring is fixedly connected to the interior of the lower clamping plate, and a lower pressing plate is fixedly connected to the top of the spring; through cooperative use of a limiting plate and an elastic ring, connection of a lower clamping plate and an upper clamping plate is facilitated, influence on growth of a fruit tree grafting position is avoided, through cooperative use of an adjusting bolt, an upper pressing plate, a lower pressing plate and a spring, the fruit tree grafting position is clamped and limited, and therefore the fruit tree grafting position is clamped under the condition that growth of a fruit tree stock is not influenced; therefore, the grafting position is prevented from being damaged by wind damage, and the fruit tree can still keep a good growth state under severe weather conditions.

The invention relates to the technical field of photovoltaic system safety, in particular to a photovoltaic panel wind damage resistance prediction and risk assessment method based on self-supervised learning, and the method comprises the steps: firstly collecting multi-dimensional data such as wind speed, wind direction, temperature and humidity and photovoltaic panel material, and carrying out the cleaning, standardization, PCA dimension reduction and data set division preprocessing; a dual-task model containing a shared Transform layer and an independent wind damage resistance prediction and wind disaster risk assessment layer is constructed, and a loss function and Adam are combined for optimization training; according to the photovoltaic panel wind damage resistance prediction and risk assessment method based on self-supervised learning, the problems that in the prior art, precision, real-time performance and generalization are insufficient are solved, wind damage resistance prediction MSE0.035 in an experiment is achieved, the risk assessment accuracy rate is 92.5%, and the risk assessment accuracy rate is 92.5%. And the safety and the stability of the photovoltaic system are obviously improved.

Disclosed herein are system, method, and computer program product embodiments for utilizing non-RAM memory to implement calculating a first wind metric over a geographic area, wherein the first wind metric reflects total wind velocity vector differences. The method further calculates a second wind metric over the geographic area, wherein the second wind metric reflects a horizontal wind gradient near obstacles. The method further generates a first data set of the first wind metric and a second data set of the second wind metric and combines the first data set and the second data set into a combined data set representing a combination of the first wind metric and the second wind metric. The combined data set represents wind hazards in an urban environment with buildings and is used to identify or generate low altitude flighted vehicle navigation paths for urban flighted vehicles, such as drones or air taxis.

The invention discloses an overhead transmission line wind damage risk early warning method and system. The method comprises the following steps: obtaining refined grid point forecast wind field data and power transmission line tower information; matching the wind speed prediction information with the tower information, and judging a wind damage risk level; and issuing the wind damage risk early warning level and corresponding operation and maintenance suggestion information. According to the wind damage risk early warning method for the overhead transmission line, the wind speed prediction information is matched with the tower information by acquiring refined grid point prediction wind field data (the spatial resolution is not greater than 1km * 1km) and transmission line tower information (coordinates and designed wind speed), so that wind damage graded early warning for different towers is realized, and the early warning efficiency is improved. And support is provided for disaster prevention and operation and maintenance work of the power transmission line.

The present application relates to the technical field of meteorological disaster monitoring and early warning and numerical prediction, and more particularly to an extreme gale weather prediction method based on a meteorological prediction large model, which comprises the following steps: obtaining a numerical weather prediction three-dimensional physical field and weather radar, meteorological satellite and ground meteorological observation and assimilating them into a consistent field; time advancing and obtaining sinking potential energy and cold pool diagnosis through a micro-downburst calculation program, forming a coarse resolution gust through boundary layer similar mapping and hysteresis kernel, generating a fine scale base map under the restriction of a cold pool front by using an optimal transport of advection constraint, outputting an image element gust distribution and an over-threshold probability by a conditional diffusion probability generation model and extracting a wind damage polygon; fusing radar, satellite, lightning and ground gust, using monotonic normalization flow calibration and intersection and union ratio and conformal coverage verification, updating parameters with limited online amplitude, and improving the reliability of spatial positioning, occurrence time and probability description.

An cantilever umbrella (100) comprises a base (102), post (101), cantilever arm (103) and a canopy (106) that is supported on a hub (104) with radial arms (105). The canopy (106) can pivot about an axis parallel to the cantilever arm (103) by pivoting the hub (104) relative to the cantilever arm. The umbrella (100) is protected against excess wind by pivoting outer parts (202) of the radial arms (105) upwards, but holding the outer parts (202) down with tension in the canopy (106) during normal use. A concealed, self-aligning angle bracket (300) is used to attach an upper end (302) of the post (101) to a proximal end (303) of the cantilever arm (103).