58 results about "Wind simulation" patented technology

The invention belongs to the technical field of building energy management, and particularly relates to an energy management system and method based on big data analysis, an air supply control model is constructed by collecting a passenger flow gathering boundary and azimuth temperature in an air conditioner air outlet coverage area according to time periods, and an air supply range is delimited by a passenger flow boundary; gradient air supply simulation is performed in combination with the limit value and the appropriate temperature difference, and the reference electric energy consumption is estimated according to the simulation result, so that refined and dynamic reference electric energy consumption determination is realized, and each time period has an energy consumption reference matched with the actual demand; meanwhile, when abnormity identification is carried out based on the reference electric energy consumption, by comparing the deviation between the reference electric energy consumption and the actual electric energy consumption in the same temperature control environment and different temperature control environments, the limitation of single threshold value judgment is broken through, multi-period comparison under the same working condition is supported, the operation performance of the air conditioner in various temperature control environments is comprehensively considered, and the method is suitable for popularization and application. Therefore, stable and accurate anomaly recognition in multiple scenes is realized, and the false alarm rate is remarkably reduced.

The invention belongs to the technical field of wind tunnel test equipment, and particularly relates to a binary end plate device capable of rotating around a vertical shaft to simulate different wind deflection angle conditions, which comprises a test model and two binary end plates movably arranged on the surface of the test model, a bearing assembly and a fixing assembly are arranged between each binary end plate and the corresponding compensation section, each bearing assembly is horizontally arranged at the center of the corresponding compensation section, any fixing assembly is detachably connected with the bearing assembly and the binary end plate, and one end, away from the test model, of each compensation section is connected with a model support. Oblique wind simulation can be achieved under the condition that a wind tunnel main body structure is not changed, the two-dimensional characteristic of a flow field in a test section is kept all the time, and the device has the advantages of being convenient to install and use, accurate in adjustment and good in repeatability and can be used for wind tunnel tests of an aeroelastic model under different wind deflection angle conditions.

The application improves a variable frequency fan natural wind simulation method based on algorithm control, solves the problems of current variable frequency fan natural wind simulation, such as non-complete randomness, existence of partial periodicity and still predictable, large random error, and thus reduces user experience, the method comprises the following steps: determining a natural wind basic wind speed; selecting a certain segment of simulated natural wind duration length; selecting a pulse wind speed reference value, calculating a pulse wind speed; judging and calculating the simulated natural wind speed in this segment of time; judging whether to return to the step according to the relationship between the control duration and the selected simulated natural wind duration, the application uses a single-chip microcomputer to control the fan speed, uses an algorithm to simulate the natural wind, changes the fan speed through continuous circulation and reciprocation to realize the simulation of the natural wind, simultaneously applies a first-order low-pass filter, the speed change is more smooth, and the service life of the machine body is also protected, and the application has the advantages of intelligence, high efficiency, and strengthened user comfort, etc.

The utility model is suitable for the technical field of automobile testing, and provides an aerocar power unit test board, which comprises a support table, a flight power test unit and a plurality of natural wind simulation components, and is characterized in that the support table is used for being assembled on the ground or a building; the flight power test unit is assembled on the supporting table and is used for carrying out flight power test; the plurality of natural wind simulation assemblies are annularly assembled on the supporting table in a sliding manner; the flight power test unit comprises a flight impeller assembly, a connecting belt assembly and a dynamometer; the dynamometer is assembled on the supporting table, and the flying impeller assembly is connected to the dynamometer through the connecting belt assembly; the connecting belt assembly is used for transmitting the flight power of the flight impeller assembly to the dynamometer from multiple angles; and the plurality of natural wind simulation assemblies provide natural wind with different wind speeds for the flight impeller assembly from different angles, so that simulation tests can be carried out by simulating actual environments with different types of natural wind.

The invention relates to the technical field of wind tunnel tests, and discloses a gust simulation device. The gust simulation device comprises a base and further comprises a wind tunnel flow channel, the two sides of the wind tunnel flow channel are installed at the upper end of the base through supporting devices, a driving assembly for adjusting the pitching angle of the wind tunnel flow channel is arranged on one supporting device, the direction of an air outlet of the wind tunnel flow channel is adjusted in the Y-axis direction, and gust in different directions is simulated. According to the technical scheme, the posture of the wind tunnel can be rapidly and automatically adjusted and switched, manual disassembly, assembly and debugging are not needed, different gust forms can be achieved, the experiment time can be greatly saved, and the experiment efficiency is improved. When the aircraft flies across the air port of the gust simulation device, the aircraft can fly in the gust environment, so that the test of the flight performance, the gust load and the like in the gust environment can be completed.

The application discloses a land full-scale diesel engine exhaust spraying test system, which comprises a flue gas generating device, an exhaust pipe, a spraying cooling system, a side simulation structure, a sailing wind simulation device, a waste water collecting pool and a monitoring mechanism; the flue gas generating device comprises a same type diesel engine as actually used by a ship; the exhaust pipe is arranged according to the actual exhaust pipeline of the ship; the exhaust spraying device of the spraying cooling system is arranged on the straight pipe of the exhaust pipe; the side simulation structure is arranged at the exhaust port of the exhaust pipe; the sailing wind simulation device is arranged at the side of the exhaust port of the exhaust pipe; the waste water collecting pool is arranged below the exhaust port of the exhaust pipe; the data control box of the monitoring mechanism receives the data of temperature sensors, pressure sensors and flow meters and transmits the data to an upper computer; and according to the received data, the spraying cooling system is controlled to work. The application can accurately simulate the exhaust working condition of the diesel engine of the ship and obtain accurate exhaust spraying effect data.

The invention discloses an adjacent tunnel fluid channeling ratio simulation test device and method combined with boundary conditions, the adjacent tunnel fluid channeling ratio simulation test device combined with the boundary conditions comprises an upstream tunnel model, a downstream tunnel model and a middle section road surface, and the side surface of the middle section road surface is provided with a crosswind simulation mechanism. And a full-spectrum lamp is arranged above the middle section of the road surface. The invention further relates to an adjacent tunnel fluid channeling ratio simulation test method in combination with the boundary conditions. According to the method, the sulfur hexafluoride (SF6) concentration is used as a basis for quantitatively calculating the fluid channeling ratio, fluid channeling analysis of traffic pollutants and high-temperature fire smoke can be combined, and a more accurate adjacent tunnel pollutant fluid channeling ratio is obtained by combining terrain wind environment boundary conditions and pavement thermal environment boundary conditions; and more reliable experimental data is provided for the design of adjacent tunnels and the type selection of ventilation and fire fighting equipment.

According to the boiler internal flow cold state modeling test device and test method, the device accurately measures the cold state flow field characteristics through the PIV technology and the high-speed camera shooting technology, and a reliable basis is provided for boiler structure optimization design. The test device comprises a boiler model system, a PIV flow field visualization system, a high-speed camera system, a data measurement system and an air supply system, and the air supply system provides primary air and secondary air for the test device and simulates actual aerodynamic conditions of the boiler. The boiler model system is a transparent boiler model which is scaled down in proportion, and the measuring system is used for monitoring parameters such as air volume, air speed and pressure in the boiler model. The influence on the flow field in the boiler is researched by adjusting structure parameters and working condition parameters of primary air and secondary air inlets, including the blade angle of the annular impeller, the relative position of the air inlets, the ratio of primary air to secondary air, the air inlet direction and the like, and a basis is provided for optimization design of the boiler.

The invention provides a soil column environment multi-scene simulation comprehensive test device and method, and belongs to the field of environmental geotechnical engineering. The device comprises a simulation box, a soil column unit, a wind erosion water level control unit, a temperature control system, a sunlight rainfall simulation system and a wind power simulation system. The simulation box is provided with an access door, a splash-proof rain cover, a ventilation grid, a permeable grid and a drainage pipe. The soil column unit is composed of a liquid collecting bottle, a base, a hollow cylinder set and a wind erosion water level control mechanism and can simulate different heat exchange working conditions. The wind erosion water level control unit drives the flexible waterproof cloth to ascend and descend through a motor, and wind erosion and water level control is achieved. The temperature control system adjusts the temperature in the box through the cold-heat exchange pipe. The sunlight and rainfall simulation system simulates rainfall and sunlight through a shower head and a sunlight irradiation lamp. The wind power simulation system generates stable airflow through the axial flow fan array. According to the invention, various environment scenes can be simulated at the same time, and the characteristic change of soil under different environment conditions can be accurately researched.

The invention discloses an offshore single-pile fan hydraulic physical model system and a simulation method thereof, and solves the problems that the existing numerical simulation boundary conditions are simplified too much, and a small-scale physical model test is difficult to meet a dynamic similarity criterion, so that simulation distortion is serious. The invention designs and establishes a large-scale offshore single-pile fan hydraulic physical model system. The model integrates a sea wind simulation device, a wave simulation device, an ocean current simulation device and a fan vibration simulation device. Single-load and multi-load coupling tests are respectively carried out, vibration acceleration data are acquired by utilizing a sensor array arranged along the height of the tower drum, and high-precision fitting is carried out on the distribution rule of the vibration acceleration along the height by adopting a quadratic polynomial, so that the vibration characteristics of the tower drum under the action of different loads are systematically revealed; and reliable test data support is provided for safety design and fatigue analysis of the offshore single-pile type fan supporting structure.

The invention belongs to the technical field of unmanned aerial vehicle testing, and particularly relates to unmanned aerial vehicle wind resistance simulation equipment. Comprising a testing mechanism; the testing mechanism comprises a top frame and a bottom frame; the top frame and the bottom frame are fixed through two stand columns. First mounting frames are uniformly arranged between the two stand columns on the same side; first fans which are uniformly arranged are mounted in the first mounting frame; an arc plate is mounted on the left side of the stand column on the left side; second mounting frames are uniformly arranged between the two arc plates; second fans which are uniformly arranged are mounted in the second mounting frame; a platform is arranged in the middle of the bottom frame, and an unmanned aerial vehicle needing to be tested is placed on the platform; an electric push rod is mounted at the bottom of the platform, and the other side of the electric push rod is mounted at the top of the rail intelligent trolley; by arranging the testing mechanism, all-working-condition scenes such as route cruise, maneuvering flight, crosswind, headwind and downwind all-directional flight and the like in the real operation process of the unmanned aerial vehicle can be completely covered.

The utility model discloses detection equipment for quick-drying heat dissipation fabric, which comprises a detection frame, water spraying simulation devices are mounted on the upper side and the lower side of the detection frame, and a heat dissipation fabric pressing device is mounted at the lower end of the detection frame. According to the utility model, the heat dissipation fabric is pressed and fixed by installing the heat dissipation fabric pressing device, and the heat dissipation fabric is further pressed by the first semicircular raised lines and the second semicircular raised lines which are arranged up and down and staggered, so that the heat dissipation fabric is prevented from being pulled down due to the gravity of water during water spray detection; the wetting condition of the heat dissipation fabric in rainy days is simulated through water sprayed by the water spray nozzles and air blown out by the fan, the humidity of the heat dissipation fabric is recorded according to time changes, the heat dissipation fabric is dried through the additionally-arranged hot-air blower, the height of the hot-air blower is changed by adjusting the air cylinder, and then the temperature change is changed. And the drying condition of the heat dissipation fabric is recorded according to different temperatures.

This utility model discloses an automotive rubber strip sealing test device, relating to the field of rubber strip testing technology. It includes a base, a simulation box fixed to the top of the base, a test box fixedly inserted to the back of the simulation box, a simulated inner door panel block fixed to the open side of the test box, and a simulated outer door panel block hinged to the simulated inner door panel block. Both the simulated inner and outer door panel blocks are located inside the simulation box. A blower simulation component and a water spray simulation component are installed on the base. The blower simulation component, in conjunction with the water spray simulation component, simulates natural weather conditions. The sealing performance of the rubber strips installed on the simulated inner and outer door panel blocks is tested using wind and water. By observing whether the fabric strips inside the test box sway and whether water accumulates inside the test box, the sealing performance of the automotive rubber strips can be accurately and effectively determined, meeting the requirements for standardized testing of automotive rubber strips.

The invention provides a modular rotating water tank typhoon simulation system based on a similarity law, and the system comprises a basic rotating platform, a driving assembly of which drives a horizontal platform surface provided with a transparent water tank to rotate, so as to provide a Coriolis force background field; an inclined bottom plate with an adjustable inclination angle and a three-dimensional terrain model fixed on the inclined bottom plate are used for simulating a terrain effect; the vortex generation module is mounted through a detachable interface, comprises a stirring type vortex generation module, a suction type vortex generation module and a double-vortex generation module, and is used for generating controllable cyclone type vortexes; and the data acquisition control module is used for system control and experimental data recording. A controllable Coriolis force background field is provided through the basic rotating platform, and a reliable hardware basis is provided for application of the dynamic similarity law through physical cooperation of the terrain simulation module and the replaceable vortex generation module, so that a parameter design process based on the theoretical similarity law can be accurately executed in an entity system, and the design efficiency is improved. Therefore, the experiment can consider both simulation precision and operation efficiency.

The invention relates to the technical field of deep ground space air volume adjustment, in particular to a deep ground space variable air volume natural wind simulation system based on infrared thermal imaging and a control method thereof.The system comprises an infrared thermal imaging sensing module used for monitoring heat distribution in a deep ground space in real time; the control module comprises a data processing unit; the trajectory prediction unit is used for predicting a personnel moving trajectory based on a neural network algorithm and calculating expected personnel intensity distribution; the regulation and control unit is used for carrying out region classification according to a heat source identification result and a personnel intensity prediction result, and calculating air quantity demanded quantity for different regions; the variable-frequency fan module is used for outputting corresponding air volume according to the control instruction of the regulation and control unit; the air supply outlet is used for achieving directional air supply. The thermal imaging data are converted into the control signals of the air volume and the air direction of the air port, dynamic adjustment and accurate response of the air supply strategy are achieved, and the adaptability and the adjustment accuracy of the system to the complex thermal environment are remarkably improved.

The invention provides a natural wind simulation method, device and equipment and a readable storage medium, and is applied to the technical field of air conditioners. The method comprises the steps that based on audio data of natural wind, an audio amplitude set of the audio data is determined; determining an air conditioner gear corresponding to each audio amplitude according to the size of each audio amplitude in the audio amplitude set; the size of the audio amplitude is in positive correlation with the size of the air conditioner gear; and according to the air conditioner gear corresponding to each audio amplitude in the audio amplitude set, the air speed of the air conditioner is controlled to simulate natural wind. The fatigue discomfort of a user caused by the air conditioner working at a fixed wind speed can be avoided, and the use experience of the air conditioner is improved.

This invention belongs to the field of underwater vehicle testing technology, specifically relating to a testing device and its method for simulating actual marine service environments. The testing device includes a housing, a base plate detachably mounted to the housing, multiple simulation areas set on the base plate or the side wall of the housing, a wave-generating mechanism and a water depth / pressure simulation mechanism mounted on the side wall of the housing, a sea breeze simulation mechanism mounted on the housing, a first lighting module, and several first visual capture modules. This invention uses a wave-generating mechanism, a water depth / pressure simulation mechanism, and a sea breeze simulation mechanism to create a marine service environment. Multiple simulation areas are set on the base plate or the side wall of the housing. Several three-dimensional lifting columns are adjusted in height relative to the polygonal submerged surface through corresponding telescopic drive mechanisms to simulate seabed topography, providing different working environments for the test object. This solves the problem in existing technologies where the simulated marine environment differs significantly from reality, resulting in the inability to optimize the shape design and comprehensively evaluate service performance.

The invention discloses an XR somatosensory large-space grid platform combined control device and method. The device is composed of a dynamic platform module, a driving control module, a central control module, a multi-sensory simulation system and a VR linkage module. The core characteristic is that a traditional large-area fixed partition plate is replaced by a grid system composed of at least two independent flat platforms. Each platform is provided with an independent servo drive and can shake, lift and vibrate. The multi-sensory system integrates water spraying, smell, temperature and wind power simulation. After a game instruction is received, a four-step control process of mode selection, parameter configuration, synchronous execution and feedback regulation is implemented. The system supports a'full sense mode '(enabling all dynamic and sensory simulations) and a'common mode' (providing a basic load bearing function as a static platform). The platform combination scheme supports multiple forms such as a single platform, double platforms and four platforms, and flexible switching is achieved through software parameters.

The application discloses a refrigeration equipment, and belongs to the refrigeration equipment field. The refrigeration equipment comprises a main fan, a main air duct arranged between the main fan and a main air outlet of the refrigeration equipment, a first air deflector arranged at the main air outlet, an auxiliary air duct communicated between the main air duct and an auxiliary air outlet, an auxiliary fan arranged in the auxiliary air duct, an indoor temperature sensor used for acquiring an ambient temperature of an environment where the refrigeration equipment is located when the refrigeration equipment is turned on, and a controller used for adjusting at least one of a rotating speed of the main fan and an opening angle of the first air deflector based on at least one of the ambient temperature and an input of a user, and used for adjusting an opening and closing state of the auxiliary fan. The refrigeration equipment can provide additional circulating air volume by improving the negative pressure of the air outlet, thereby improving the temperature uniformity, and can realize the natural wind simulation and improve the user comfort and experience by changing the air field of the refrigeration equipment based on the auxiliary air duct.

To design having story nature with moderate irregularity while minimizing a designer's workload.SOLUTION: A range of a building surface determined in a target range determination step 11 is divided into a plurality of areas in an area division step 12. A wind simulation is performed in a wind simulation step 13 corresponding to a location within the range determined in target range determination step 11. According to a result from simulated wind in the wind simulation step 13, a design is selected in a design selection step 15, for application to each of the plurality of areas divided in the area division step 12 among a plurality of designs prepared in a design preparation step 14.SELECTED DRAWING: Figure 1

This invention relates to the field of testing equipment technology, specifically to a stainless steel corrosion performance testing equipment for a full-zone simulated seawater environment. The equipment includes: a test chamber, which is vertically arranged along the interior of the chamber via multiple partitions, sequentially from top to bottom, comprising an atmospheric test zone, a splash test zone, a tidal range test zone, a full immersion test zone, and a sea mud test zone; and a simulation unit, including a sea breeze simulation component and a wave simulation component respectively connected and installed on the side wall of the test chamber, for providing a simulated seawater environment. By separately setting the atmospheric test zone, splash test zone, tidal range test zone, full immersion test zone, and sea mud test zone inside the test chamber, the equipment can work with the sea breeze simulation component and the wave simulation component to simulate a full-zone seawater environment. This allows for convenient testing of the corrosion resistance of stainless steel pipes in different zones of a simulated real marine environment, improving the accuracy of the test, reducing the manpower and material resources consumed in the test, and reducing the workload of the personnel involved in the test.

The invention discloses a testing device and method for simulating coupling ignition of forest fire heat radiation and flying fire particles in a boundary region to ignite liquid fuel. Comprising a flying fire particle simulation system, a heating sheet loading system, a heat radiation generation system, a fuel pool loading system, an environmental wind simulation system, a water bath heating / cooling system, a thermal characteristic parameter measurement system, an image data measurement system, a high-speed infrared measurement system and the like. According to the method, the physical process of igniting the combustible liquid by coupling the flying fire particles and thermal radiation in the forest-town boundary fire can be accurately reproduced; the dynamic characteristics, including critical evaporation rate and ignition heat flow of liquid fuel under the coupling action of different flying fire particles and thermal radiation, and ignition delay time, ignition temperature and other key parameters when the ignition heat flow is greater than a critical threshold value, of the combustible liquid storage tank in a boundary region can be quantitatively studied; and basic data support is provided for risk assessment and prevention and control strategies of the forest fire ignition liquid storage tank in the boundary region.

The utility model relates to the technical field of automobile display stands, and provides an automobile display stand. The automobile display stand comprises an exhibition stand body, an adjusting mechanism and a wind simulation mechanism, the rear end face of the exhibition stand body is connected with the adjusting mechanism, the adjusting mechanism comprises an adjusting block, a servo motor, a lead screw and a sliding block, the rear end face of the exhibition stand body is connected with the adjusting block, a sliding groove is formed in the front end face of the adjusting block, and the servo motor is installed on the upper surface of the adjusting block. The output end of the servo motor penetrates through the upper surface of the adjusting block and is fixedly connected with a lead screw through a coupler, the lower end of the lead screw is rotationally connected with the lower surface of the sliding groove, and the adjusting mechanism is connected with a wind simulation mechanism. According to the automobile display stand provided by the utility model, through the arranged wind simulation mechanism, wind feeling experience can be provided for audiences through blowing to an automobile and airflow, and wind catching experience in driving can be simulated, so that the audiences can experience charm of the automobile from a more vivid and three-dimensional angle, and the display effect of the automobile is improved.

The invention discloses a Jinhua ham fermentation device, and particularly relates to the technical field of ham production, the Jinhua ham fermentation device comprises a fermentation warehouse body, the fermentation warehouse body is provided with a transparent observation door, the top of the fermentation warehouse body is provided with a warehouse body sealing top, the warehouse body sealing top is provided with a ham suspension assembly, and the bottom of the fermentation warehouse body is provided with a conical oil collection hopper; a temperature control device, a temperature and humidity sensor and a salinity and moisture monitoring device are arranged in the fermentation library body; a natural wind simulation pipeline is arranged on the inner wall of the fermentation library body and comprises a gas-water heat exchange pipeline and a water return pipeline; the water return pipeline is arranged above the periphery of the conical oil collecting hopper in a surrounding manner; a water inlet pipeline and a gas inlet pipeline are distributed inside and outside the gas-water heat exchange pipeline, a gas outlet is formed in the gas inlet pipeline, the water inlet pipeline communicates with a water return pipeline, and water spraying nozzles are formed in the water return pipeline; and the temperature control device, the temperature and humidity sensor and the salinity and moisture monitoring device are externally connected with a measuring and calculating module. The ham fermentation degree is predicted based on historical data, the fermentation environment is regulated in real time, and the ham fermentation quality is ensured.

A system for simulating wind motion cues in a vehicle simulator comprises comprises a wind generation system 140 and a simulation controller 150. The wind generation system is configured to dynamicall

The application discloses a kind of transmission line wind and rain load test device and method, including wind tunnel, the inside of the wind tunnel is provided with line simulation unit and rainfall simulation unit, the outside of the wind tunnel is provided with strong wind simulation unit and control unit;The line simulation unit includes suspension unit, and sensor unit and telescopic steel plate connected with the suspension unit;The rainfall simulation unit includes rain shower, and first servo motor connected with the rain shower;The strong wind simulation unit includes air duct, and fan arranged in the air duct;The control unit includes main control unit, and signal receiving unit connected with the main control unit.The application provides the simulation wind and rain load test conversion method and intelligent test device for 110kV transmission line, not only make the accuracy of simulation test higher, simultaneously, the simultaneous control of field and remote can also be realized, further improve the automation degree of test device.

The invention discloses a rock structural surface high-frequency disturbance shear test device, and relates to the technical field of rock engineering, the rock structural surface high-frequency disturbance shear test device comprises a test box, one side of the test box is fixedly provided with a wind power control motor, and the test box is internally provided with a wind power simulation mechanism for simulating wind power in a real environment; the wind power simulation mechanism comprises a fourth rotating shaft arranged at the output end of a wind power control motor, one side, far away from the test box, of the fourth rotating shaft is fixedly connected with a first fan, the fourth rotating shaft is in transmission connection with a second belt, the second belt is in transmission connection with a fifth rotating shaft, and the wind power control motor is started to drive the fourth rotating shaft to rotate. And finally, a fourth rotating shaft drives a wind power simulation mechanism to operate, meanwhile, the fourth rotating shaft drives a second bevel gear to rotate, and finally, a spraying mechanism can be driven to operate, so that wind power and rainfall in a real environment can be simulated during a test, and a test condition is enabled to be closer to an actual condition. And the accuracy and reliability of test results are ensured.

The utility model discloses a metal surface composite coating corrosion resistance test device which comprises a placing case and a test box arranged at the top end of the placing case, a solvent box is arranged at the top end of the test box, a sealing door is arranged at the front end of the test box, and the sealing door is rotationally connected with the left end of the test box through a plurality of hinges. A novel natural wind simulation device is additionally arranged at the right end of the test box of the corrosion resistance test device for the metal surface composite coating, so that a corrosion resistance test is carried out mostly by spraying a related solvent during a test; a plurality of metal objects of which the surfaces are sprayed with the composite coatings are put into a natural environment for use, at the moment, the natural wind simulation device can be used for simulating natural wind in the test box, and the simulated natural wind is blown to the composite coatings on the metal surfaces all the time; in this way, the metal surface composite coating can be subjected to a corrosion resistance test more close to the natural environment.

1. The name of the design product: wind energy simulator. 2. The use of the design product: the design product as a variable pitch system module in the wind turbine practical training platform, plays a role in wind simulation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This application discloses a sudden wind simulation test device, including a frame, plate units, a transmission mechanism, and a drive unit. The frame includes a top frame, a bottom frame, and side frames, which enclose a space. Plate units are installed on the top frame and the bottom frame, respectively, and are symmetrically arranged within the space of the frame. The output end of the drive unit is connected to the transmission mechanism, and the output end of the transmission mechanism is hinged to the two plate units to control the opening or closing of the two plate units in the direction of the incoming wind. The above-mentioned sudden wind simulation test device has a simple structure, realizes the simulation of sudden winds in extreme weather, is suitable for any conventional wind tunnel, provides good wind field quality, and improves the accuracy and precision of the test.