76 results about "Wind effect" patented technology

The invention discloses a resource evaluation method and system based on multi-landform feature correction, which remarkably improves the accuracy of wind speed and solar radiation data by combining physical constraint correction and machine learning methods, and particularly improves the accuracy of the wind speed and solar radiation data under the conditions of complex terrains and multiple earth surface types. The problem of systematic errors existing in ERA5 reanalysis data in the prior art is solved. Specifically, through elimination of invalid values of radiation data at night and correction of wind speed data based on surface roughness, deviation caused by factors such as terrain shielding, vegetation canopy reflectivity and urban building group wind resistance effect is effectively eliminated. The ERA5 data is trained and optimized by using a machine learning model such as a random forest, so that the wind speed and radiation data at different geographic positions, seasons and time periods can be more accurately corrected, and the corrected data is more in line with an actual observation result.

The invention discloses a high-temperature aluminum alloy profile surface defect detection device and method, and relates to the technical field of aluminum alloy profile detection. The high-temperature aluminum alloy profile surface defect detection device comprises a shell, the bottom of the shell is connected with a heat insulation part, the heat insulation part is used for blocking heat radiated by a high-temperature part and guaranteeing optical image collection of a camera, the circumference angle opposite to the arc line of an arc-shaped guide rail is not larger than 60 degrees, the high-temperature part is located between the two ends of the arc-shaped guide rail, and the bottom of a sliding rod is connected with the camera. The sliding rod is connected with the translation piece which is used for driving the sliding rod to move in the arc-shaped direction of the arc-shaped guide rail through the extrusion effect. According to the high-temperature aluminum alloy profile surface defect detection device and method, the camera is isolated from the high-temperature part through the heat insulation part, the camera moves from one end of the high-temperature part to the other end of the high-temperature part, shooting of multiple side faces of the high-temperature part is continuously and completely completed, shooting blind areas are reduced, and the temperature of the working environment of the lens and the camera is reduced in cooperation with the wind action.

The invention discloses a farmland protection forest area windproof effect evaluation method based on a land-gas coupling model, and relates to the technical field of agricultural science, high-precision topographic data of a target farmland protection forest area is collected and preprocessed, and spatial distribution information of a farmland protection forest is obtained by combining remote sensing image interpretation; on the basis of topographic data and spatial distribution information, topographic relief and earth surface coverage features are analyzed, and a refined underlying surface classification system is constructed; and configuring high-resolution grid parameters of a WRF mode, and coupling a Noah-MP land surface process model. According to the farmland protection forest area wind-proof effect evaluation method based on the land-gas coupling model, through combination of high-resolution topographic data and a multi-source remote sensing image, topographic relief and surface heterogeneity of a farmland protection forest area can be accurately depicted, and a WRF mode is coupled with a Noah-MP land surface process model; fine simulation of complex terrains and various underlying surfaces is realized, the limitation of traditional uniform underlying surface hypothesis is overcome, and the accuracy of windproof effect evaluation is remarkably improved.

The wind power generation resistance reduction structure comprises fan blades, the fan blades are provided with installation openings, reverse wind energy release window frames are arranged in the installation openings, and the reverse wind energy release window frames are arranged along the edges of the installation openings. The edge of one side of the reverse wind energy release window frame is hinged to the edge of the mounting opening, a reverse limiting mechanism for preventing the reverse wind energy release window frame from swinging towards the back faces of the fan blades is arranged between the reverse wind energy release window frame and the mounting opening, and a forward wind energy utilization window plate is arranged in the reverse wind energy release window frame. The forward wind energy utilization window plate can cover a window opening of the reverse wind energy release window frame. When the fan blades bear reverse wind, the reverse wind energy releasing window frame is blown open, the wind flows through a gap between the reverse wind energy releasing window frame and the installation opening, and the reverse wind effect borne by the fan blades is obviously reduced. Therefore, the influence of reverse wind can be reduced, and the wind energy utilization rate and the wind power generation efficiency are improved.

The utility model relates to the technical field of photovoltaic cleaning, and discloses a shutdown windproof device for a photovoltaic cleaning robot and photovoltaic equipment. The shutdown windproof device for the photovoltaic cleaning robot comprises a shutdown frame, an end face windproof structure and a side wind shield. The parking frame is used for being connected with a photovoltaic matrix, and the two end faces of the parking frame correspond to edge wheels at the two ends of the photovoltaic cleaning robot correspondingly. The end face windproof structure is arranged on the parking rack and used for clamping and limiting edge wheels at at least one end of the photovoltaic cleaning robot with the parking rack. The side wind shield is arranged on the parking rack and located on the side, away from the photovoltaic matrix, of the parking rack. The shutdown anti-wind device achieves wind prevention in the end face direction and the side face direction, the structure is simple, the anti-wind effect is good, and the photovoltaic cleaning robot is effectively protected.

The invention discloses an electric tower stay wire fitting, and relates to the technical field of stay wire fittings. In order to solve the problems that an existing wedge-shaped fitting is fixed only by abutting against a straight plate and slips off under the long-term wind action, the wedge-shaped fitting comprises a fitting body, the fitting body comprises a U-shaped bolt, the periphery of the U-shaped bolt is slidably connected with a stay wire block, and a stay wire channel and a conical block are arranged in the stay wire block; a wire pulling assembly and an abutting assembly are arranged in the wire pulling channel, and the wire pulling assembly comprises a fixing column and a sliding sleeve plate; the abutting assembly comprises a sliding groove, an abutting block, a connecting rod, an extending rod and a rotating piece. The extension rod is driven by the rotating piece to slide in the sliding groove, so that the abutting block is unfolded outwards, the stay wire is pushed to be tightly attached to the inner wall of the stay wire channel, and the contact area and friction force are increased. Through a mechanical expanding type fixing structure, the stay wire is effectively prevented from slipping under the long-term action of wind power, and the fixing stability of the stay wire of the electric tower is remarkably improved.

The invention provides a grid algorithm-based ship berthing wind action measuring and calculating method, which comprises the following steps of: establishing a ship contour line function and a waterplane equation, and determining a waterplane segmentation position in real time; a grid algorithm is applied to calculate the ship waterline upper contour wind area, and the ship centroid coordinate and centroid height are determined; and converting the wind speed data into the wind force of the windward action point corresponding to the centroid height by adopting a conversion model. According to the method, the centroid height and the centroid coordinate are calculated firstly, and then the predicted wind or the actually measured wind is converted to the wind speed at the centroid height of the wind area of the ship, so that the wind power and the wind level borne by the ship are judged, and the error of the influence of an anemograph or weather forecast on the actual wind power of the ship is reduced; and taking corresponding measures based on the conversion and analysis results, so as to ensure that the operation ship can timely and accurately make corresponding adjustment in a complex sea condition environment, and ensure that the ship can safely and efficiently carry out related operation.

A control method and apparatus, and a carrier are provided. The method includes: obtaining traveling information of the carrier; and when the carrier accelerates or decelerates in response to an indication of a user in the carrier, controlling, based on the traveling information, at least two sound-emitting apparatuses in a cabin of the carrier to play a first simulated sound wave with a sound image shift. Further, at least one of a light display device, an air conditioner, a seat, and a steering wheel is controlled based on the first simulated sound wave. The sound-emitting apparatuses are linked to the light display device, the air conditioner, the seat, and the steering wheel, to form audio-lighting effect, audio-vibration effect, and audio-wind effect, so that the user experiences, from a plurality of dimensions, the simulated sound wave that changes with a speed of the carrier.

The invention provides a typhoon effect evaluation method and device, electronic equipment and a readable storage medium. The method comprises the following steps: capturing unobserved time-varying confounding factors by analyzing typhoon data and geographic area covariants; learning representation of time-varying hybrid factors by using machine learning technologies such as a recurrent neural network and a graph convolutional network in combination with expanded observable data and regional covariable data of a previous time step; based on the confounding factors and observable data of the current time step, the conditional density is calculated to estimate the expected value of the human mobility index, and an average dose-reaction curve is drawn to evaluate the causal effect of the continuous weather handling level on the human mobility. Through the method, accurate prediction of human mobility influence and accurate evaluation of the causal relationship are realized, and the problems of insufficient accuracy of human mobility prediction and causal effect evaluation under extreme weather conditions are solved.

This invention relates to an active intake and blowing control method for wind effects in high-rise buildings based on deep reinforcement learning. This invention relates to the fields of active flow control and wind-induced vibration control in high-rise buildings. Addressing the shortcomings of existing wind-resistant measures for high-rise buildings in complex wind environments and the insufficient feasibility of active flow control engineering, this invention discloses an active intake and blowing control method for wind effects in high-rise buildings based on deep reinforcement learning. The method includes: constructing an active intake and blowing control device for wind effects in high-rise buildings, constructing a wind tunnel test environment, establishing a deep reinforcement learning model, and realizing interactive training between the model and the wind tunnel test environment. This method can adaptively adjust the intake and blowing flow rates according to real-time wind environment information and structural wind-induced vibration response information, changing the flow field structure around the building, reducing unfavorable flow separation and wake vortex shedding, thereby reducing wind load and wind-induced vibration response in high-rise buildings.

The present application provides a kind of soft wind device, air conditioner and its control method, wherein the soft wind device, comprising: first soft wind blade group, first soft wind blade group includes multiple blades spaced apart along the first direction, blade includes left side piece and right side piece, the first side of left side piece is connected with the first side of right side piece, blade has left side piece and right side piece opposite opening state, when the air conditioner applied by soft wind device runs soft wind mode, blade is in opening state, when blade is in opening state, left side piece and right side piece form acute angle and the first side is in the upstream side of air flow flow direction.The present application opens the blade of acute angle in soft wind mode, can form the resistance to the air flow of outlet air and change the flow direction of air flow, effectively prevent the discomfort caused by the air flow of outlet air straight blowing user, simultaneously, the blade in the present application realizes soft wind effect by opening mode instead of the micro-hole structure in prior art, eliminates the phenomenon that micro-hole structure is easy to block.

The invention provides a ship berthing wind effect measuring and calculating method based on a triangular approximation algorithm, and the method comprises the steps: building a ship contour line function and a waterplane equation, and determining a waterplane segmentation position in real time; arranging the vertexes of the ship contour in sequence, calculating the contour wind area on the ship waterline by using a triangular approximation algorithm, and determining the centroid coordinate and centroid height of the ship; and converting the wind speed data into the wind force of the windward action point corresponding to the centroid height by adopting a conversion model. According to the method, the centroid height and the centroid coordinate are calculated firstly, and then the predicted wind or the actually measured wind is converted to the wind speed at the centroid height of the wind area of the ship, so that the wind power and the wind level borne by the ship are judged, and the error of the influence of an anemograph or weather forecast on the actual wind power of the ship is reduced; and taking corresponding measures based on the conversion and analysis results, so as to ensure that the operation ship can timely and accurately make corresponding adjustment in a complex sea condition environment, and ensure that the ship can safely and efficiently carry out related operation.

The invention provides a ship berthing wind effect measuring and calculating method based on a Monte Carlo algorithm, and the method comprises the steps: building a ship contour line function and a waterplane equation, and determining a waterplane segmentation position in real time; counting the number of random points inside and outside the contour line on the ship waterline based on a Monte Carlo algorithm, calculating the wind area of the contour on the ship waterline, and determining the centroid coordinate and centroid height of the ship; and converting the wind speed data into the wind force of the windward action point corresponding to the centroid height by adopting a conversion model. According to the method, the centroid height and the centroid coordinate are calculated firstly, and then the predicted wind or the actually measured wind is converted to the wind speed at the centroid height of the wind area of the ship, so that the wind power and the wind level borne by the ship are judged, and the error of the influence of an anemograph or weather forecast on the actual wind power of the ship is reduced; and taking corresponding measures based on the conversion and analysis results, so as to ensure that the operation ship can timely and accurately make corresponding adjustment in a complex sea condition environment, and ensure that the ship can safely and efficiently carry out related operation.

The invention discloses a bamboo grid, and belongs to the technical field of desertification control engineering. The bamboo checks are square bamboo checks formed by connecting two L-shaped or four linear bamboo sand barriers end to end; the side length of each bamboo grid is 500-2000mm; the bamboo sand barrier is of a warp and weft interwoven net-shaped structure composed of weaving lines and bamboo sheets. The length of each bamboo sheet ranges from 200 mm to 600 mm; the length-to-thickness ratio of the bamboo sheets is (100: 1)-(500: 1); a gap is formed between every two adjacent bamboo sheets, and the width of each gap is 0.2-2.2 times that of each bamboo sheet. The bamboo sheets are prepared by sectioning and processing bamboo tubes in the radial direction or the chordwise direction. According to the method, the three elements of the size of the bamboo grid unit, the gap width of the bamboo sheets and the embedding depth are synergistically optimized, a three-dimensional sand stabilization network with the gradient wind resistance effect is constructed, and a long-acting sand stabilization system with high environmental adaptability is formed.

The utility model discloses a wind-resistant quick roller shutter door, and relates to the technical field of roller shutter doors. The anti-wind device comprises the body and the anti-wind mechanism, the anti-wind mechanism comprises the shell, the buckle, the fixing block and the buckling groove are arranged, when the infrared sensor detects that the roller shutter deforms due to wind power, the buckle can be driven to rotate and be buckled with the buckling groove, the roller shutter can be rapidly and effectively fixed through the buckling mechanism, and the anti-wind effect is good. The roller shutter can be prevented from continuously shaking or deforming due to wind power, extra supporting force is provided through tight combination of the buckle and the buckle groove, the roller shutter can be kept stable in strong wind weather, the damage risk caused by wind power is reduced, when the wind power is weakened or disappears, buckling of the buckle and the buckle groove can be easily removed, the roller shutter can restore the normal lifting function, and the service life of the roller shutter is prolonged. The infrared sensor can monitor the state of the roller shutter in real time, and can immediately send out a signal once detecting that the roller shutter deforms due to wind power, so that the roller shutter is effectively prevented from being damaged or derailed due to excessive wind power.

The spider arm of the air dryer comprises a supporting frame, a conveying belt is installed on the upper surface of the supporting frame in a transmission mode, baffles are fixedly installed on the two sides of the upper surface of the supporting frame, a top cover is fixedly installed on the upper surfaces of the two baffles, a connecting block is fixedly installed on the lower surface of the top cover, and rotating grooves are formed in the two sides of the connecting block. And a blowing mechanism is rotationally mounted in the rotating groove and is flush with the conveying belt. Through the design of the purging mechanism, the purging mechanism passes through gt, lt and gt of the purging pipe. Due to the design of the wind direction and the adjustable push-and-pull stroke, the air flow can uniformly cover the surface of the workpiece, it is ensured that each part can be subjected to the wind effect, uneven drying is avoided, water drops on the surface of the workpiece can be directly blown outwards through reciprocating swing of the blowing pipe and the sprayed air flow, and therefore retention of water is remarkably reduced, and the drying speed is increased.

The invention discloses an aeroelastic model wind tunnel test device and method with continuously adjustable rigidity and damping, and belongs to the technical field of wind tunnel tests.The aeroelastic model wind tunnel test device comprises a wind tunnel test section, a test model and a test unit, and test holes are symmetrically formed in side plates of the wind tunnel test section; the test model is installed in the test hole in a penetrating manner and extends to the outside of the wind tunnel test section; the two sides of the test model are connected with test units through rigid extension rods. According to the aeroelastic model wind tunnel test device and method with continuously adjustable rigidity and damping, the equivalent rigidity and damping characteristics of the model can be adjusted continuously and independently by adjusting electric signals in the wind tunnel test process, so that the dynamic response of an actual flexible or elastic structure is simulated more truly, and the test efficiency is improved. And the accuracy, flexibility and test efficiency of wind effect evaluation are remarkably improved.

The utility model provides a wind-resistant monitoring frame for security engineering, and belongs to the technical field of security engineering monitoring. The wind-resistant monitoring frame for security and protection engineering comprises a monitoring frame structure and a wind-resistant structure. The monitoring frame structure comprises a base rod, a supporting rod and a connecting base, a T-shaped sliding groove is formed in the surface of the base rod, and the connecting base is fixed to the bottom of the base rod; and the wind-resistant structure comprises an extension rod, a sliding connecting piece and a supporting reinforcing piece, the sliding connecting piece is connected to the interior of the T-shaped sliding groove in a sliding mode, the other end of the extension rod is rotationally connected with a connecting block through a connecting column, and the supporting reinforcing piece is rotationally connected to the second notch. According to the utility model, the wind-resistant structure can be extended and stored to be beneficial to adapting to different environment requirements, meanwhile, the wind-resistant effect of the monitoring frame in the use process can be improved, the shooting stability is improved, the possibility of damage to shooting equipment is reduced, and the use is more flexible and convenient.

The invention discloses a human settlement suitability evaluation method based on remote sensing data and an urban heat island effect, and relates to the field of human settlement suitability monitoring, and the method comprises the steps: extracting the urban heat island intensity and the grade thereof in a spatial region range based on meteorological satellite remote sensing data; satellite surface temperature data and relative humidity meteorological reanalysis data are fused, numerical values of surface temperature and relative humidity in a spatial region range are extracted, a temperature and humidity index and a grade thereof are calculated, and a wind efficiency index and a grade thereof are also calculated; and after the obtained urban heat island intensity, the temperature and humidity index and the wind efficiency index are subjected to standardization processing according to the grades, the human settlement environment condition evaluation index is calculated according to the weight of each index. The method focuses on providing an evaluation system based on meteorological satellite product data and the urban heat island effect, and is used for evaluating the influence of climatic elements on the human settlement suitability of the whole country and the city under the climatic change background.

The invention discloses a method for evaluating wind-induced fatigue of a steel structure based on meteorological data and wind tunnel data. According to the method, an extreme value distribution model and a mixed Von-mises distribution theory are utilized to respectively fit local wind speed and wind direction probability density functions, and then a wind speed and wind direction joint probability density function is obtained; combining wind tunnel test data, carrying out structural dynamic time history analysis through a scale ratio theory and a mechanical equivalence principle, screening key components, and extracting a stress time history; and finally, calculating the fatigue life by using a rain flow counting method and an SN curve. According to the method, multi-source data are fused, the unsteady wind effect is considered, compared with a traditional method, the accuracy and rationality of wind-induced fatigue life prediction are improved, a reliable basis is provided for wind resistance design of an engineering structure, and the method has high engineering application value.

The utility model relates to the technical field of stage instruments, in particular to a stage wind effect adjusting device. The stage wind effect adjusting device comprises a wind source, a connecting pipeline and a wind outlet assembly. The two ends of the connecting pipeline are connected with the wind source and the wind outlet assembly respectively. The air outlet assembly comprises a fixing frame and a side plate, the fixing frame and the side plate define an air outlet structure with an opening in the top, the side plate is provided with an adjusting assembly, and the adjusting assembly can drive the side plate to rotate so as to adjust the opening size of the air outlet structure. The stage wind effect adjusting device is simple in structure and can be easily arranged in a limited stage space. The adjusting mode that the adjusting assembly drives the side plates to rotate guarantees the reliability and stability of adjustment, no time difference exists in the adjusting process, and the corresponding air volume can be changed in time according to the performance requirement.

The invention discloses a compact movable box-type transformer substation, and particularly relates to the technical field of transformer substations, the compact movable box-type transformer substation comprises a base, the upper end of the base is fixedly provided with a shell, the upper end of the shell is fixedly provided with a waterproof edge, the inner surface of the shell is provided with a power transformation cabinet, and the front part of the inner surface of the shell is provided with a control cabinet; a cooling structure is fixedly installed on the rear portion of the inner surface of the shell. According to the compact movable box-type transformer substation, cold air is distributed through the shunting assembly to uniformly enter the heat exchange assemblies on the two sides, and the cold air is fed into the control cabinet to cool equipment in the control cabinet through the air uniformizing effect of the heat exchange assemblies; equipment failure or overheating caused by overhigh temperature due to continuous current carrying is avoided, hot air is further pumped back through the air return assembly and sent out through the air outlet groove, continuous cooling of the control cabinet and the power transformation cabinet is achieved, and operation risks caused by high temperature are reduced.

The invention discloses a glacier real-time monitoring device and a monitoring method thereof, belongs to the technical field of glacier monitoring, and solves the problem that an existing glacier real-time monitoring device is poor in stability. The device comprises a tripod, a horizontal adjusting instrument, a monitoring vertical rod and a heat preservation box. The stability of the monitoring vertical rod is improved through the fixing pile, the horizontal adjusting instrument and the elastic telescopic piece on the tripod, and the influences of ice cracks, uneven melting of the glacier surface and the strong wind effect on the stability of the monitoring vertical rod are reduced; meanwhile, a knuckle bearing, a telescopic fixing seat and a sliding block in the mounting support provide the freedom degree of length change for supporting legs of the tripod, when the monitoring vertical rod horizontally moves under the action of strong wind, the height of the monitoring vertical rod can be adaptively reduced through telescopic arrangement of the telescopic fixing seat, and the stability of the monitoring vertical rod is further improved.

The application provides an indoor unit and a control method of an air conditioner. The indoor unit comprises: a bottom shell, the bottom shell is provided with an air outlet guide mechanism, the guide mechanism is rotatably arranged at the air outlet, and at least part of the guide mechanism is provided with an air outlet channel; an oscillation assembly is arranged in the air outlet channel; a magnetic attraction assembly is connected with the guide mechanism, the magnetic attraction assembly has a blocking position for blocking the air outlet channel, and the magnetic attraction assembly has an avoiding position for avoiding the oscillation assembly in the air outlet channel; when the magnetic attraction assembly is in the avoiding position, part of the air flow blown from the air outlet is blown out of the bottom shell through the air outlet channel. According to the technical scheme of the application, when the magnetic attraction assembly is in the avoiding position, part of the air flow blown from the air outlet is blown out of the bottom shell through the oscillation assembly in the air outlet channel, so that the soft wind effect is achieved, the problem of the indoor unit directly blowing air flow to people is solved, and the air outlet comfort of the indoor unit is improved.

The application discloses a kind of wind direction measurement deviation identification method, device, equipment and medium of wind turbine unit.The method comprises: determining the multiple reference operating information of wind turbine unit;By the power, wind speed and wind direction corresponding to each reference operating information are curved surface fitting, the reference operating characteristic curved surface information of wind turbine unit is obtained;According to reference operating characteristic curved surface information, the reference wind direction measurement deviation characteristic curve information of wind turbine unit is determined;Wind direction measurement deviation characteristic curve information is used to describe the continuous curve of the relationship between wind speed and the wind direction measurement deviation corresponding to the maximum power point of wind turbine unit under corresponding wind speed;According to reference wind direction measurement deviation characteristic curve information, wind direction measurement deviation identification and correction are carried out on wind turbine unit.The technical scheme of the present application identifies the deviation between the measured wind direction and the actual wind direction, realizes more accurate yawing wind effect of wind turbine unit, and improves the power generation performance of wind turbine unit.

The utility model discloses a metro platform door directional ventilation system based on the piston wind effect, and relates to the field of metro directional ventilation equipment. The problems that the indoor temperature in an existing subway station is adjusted through an air conditioner to reach the temperature suitable for the human body, large air conditioner facilities are used in the subway station, the power is large, a large amount of energy is lost, and then the subway application cost is increased are solved. One end of an air supply duct and one end of an air exhaust duct are connected with one end of a main air duct in parallel, the other end of the main air duct is connected with the exterior of a subway platform, the other ends of the air supply duct and the air exhaust duct are evenly connected with the interior of the subway platform, and temperature control air valves are arranged at the joints of the ends of the air supply duct and the air exhaust duct and the main air duct respectively. The air supply duct and the air exhaust duct are each internally provided with an alloy one-way blade, a plurality of ventilation holes are evenly formed in the surfaces of the alloy one-way blades, each ventilation opening is provided with a small ferromagnetic blade, and the small ferromagnetic blades are hinged to the edges of the ventilation openings. The utility model is suitable for the subway field.

A system for controlling aircraft flight control surfaces implements a method including: obtaining a control law for the flight control surfaces as a function of flight controls of the aircraft; obtaining measurements of ground speed, true speed, roll angle, pitch angle, angle of attack, sideslip angle and slope angle; performing an estimation of the wind in three dimensions using the measurements obtained; performing an adjustment of the control law for the flight control surfaces, to counter the estimated wind effect and to obtain an adjusted control law for the flight control surfaces, by adding, to the control law, a term for wind compensation comprising a term proportional to the derivative of the wind estimation; and controlling the aircraft by applying the adjusted control law. Thus, the impact of the wind on the aircraft is reduced by digital processing and automatic adjustment of the control of the flight control surfaces.

The present invention discloses an air conditioner indoor unit, comprising: a casing, a main air inlet and a main air outlet; an indoor heat exchanger and a main air supply fan; a fresh air module having a fresh air inlet and a fresh air outlet, and a fresh air fan; an air guide component, rotatably connected to the casing; a controller, configured to: when the detection value of an outdoor temperature sensor is greater than a set threshold, a fresh air module start signal, a main air conditioning module start signal and the air guide component is in a fully open position, control the main air supply fan to operate, and control the speed of the fresh air fan to operate in a low-medium-high-medium-low circulation mode. In the air conditioner indoor unit of the present invention, the fresh air flowing out of the fresh air module can be mixed with the air flow flowing out of the main air conditioning module, and driven by the air flow of the main air conditioning module, the fresh air can be brought farther, achieving the effect of long-distance fresh air; the fresh air fan and the main air conditioning module are mixed, so that the entire air flow blows in a circulation mode with constantly changing heights, achieving a natural wind effect.

The invention provides a method, a system and a device for determining a wind load of a mountain cable-supported photovoltaic power station structure, a storage medium and application, and the method comprises the steps: obtaining vibration signal data through a finite vibration sensor, and then carrying out the recognition of a basic frequency parameter and a basic damping parameter of a cable-supported photovoltaic structure; and constructing a wind vibration dynamic model of the cable-supported photovoltaic support structure on the basis of the wind vibration dynamic model, and performing distribution calculation on the wind load of the cable-supported photovoltaic support which obtains the three or more vibration signals on the basis of the constructed wind vibration dynamic model of the cable-supported photovoltaic support structure. According to the method, the full-span wind load distribution of the large-span photovoltaic power station structure can be obtained, the problem of real wind effect evaluation engineering of the flexible photovoltaic support under the complex mountain conditions is solved, key technologies are provided for engineering wind disaster early warning, health evaluation and disaster prevention design, long-term safe operation of the mountain photovoltaic power station is guaranteed, and the method is suitable for popularization and application. And a theoretical foundation can be laid for research and development of a photovoltaic power station full-life-period health monitoring system and equipment under complex terrains.