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61 results about "Weather vane" patented technology

A weather vane, wind vane, or weathercock is an instrument used for showing the direction of the wind. It is typically used as an architectural ornament to the highest point of a building. The word "vane" comes from the Old English word "fana" meaning "flag".

Wind direction measuring device for sports events

The utility model discloses a wind direction measuring device for sports events, which belongs to the technical field of sports events and comprises a vertical rod, a first fixing block is arranged on the surface of the upper end of the vertical rod, a wind indicator is arranged on one side of the first fixing block, an indicating component is arranged on the other side of the first fixing block, and an auxiliary inserting structure is arranged on the surface of the lower end of the vertical rod. According to the wind direction indicator, the indicating assembly is arranged, the installation cylinder is installed on the surface of the vertical rod through the fixing ring, the length of the indicating rod is adjusted, the lower end of the indicating rod corresponds to the indicating ring in the installation cylinder, when wind drives the first fixing block to rotate, the indicating rod rotates, and the wind direction can be conveniently and accurately determined by observing the sculpture of the corresponding scale plate; the protective assembly is arranged, the protective barrel is fixed to the outer side of the disc through meshing of the outer threaded sleeve and the inner threaded plate, the pointed cone and the tip end of the auxiliary rod can be shielded, and therefore accidental injury to workers when the device moves can be avoided, and safety is high.
Owner:WUHAN OXYGEN SPORTS CO LTD

Weather station with compact structure

The utility model discloses a meteorological station with a compact structure. The meteorological station comprises a supporting seat, a wind speed detection device and a wind direction detection device, the wind speed detection device comprises a first shaft, a wind rotating body, a wind speed sensor and a wind speed circuit board, the first shaft is provided with a vertically-through hollow area, the first shaft is arranged on the supporting seat, and the wind rotating body is arranged on the outer side of the first shaft in a sleeving mode; the wind direction detection device comprises a second shaft, a wind indicator, a wind direction sensor and a wind direction circuit board, the second shaft penetrates through the upper side and the lower side of the first shaft through the hollow area and can rotate relative to the first shaft, and the wind indicator is located above the wind rotating body and arranged at the upper end of the first shaft. The wind indicator can be stably supported above the wind rotating body, so that the measured wind speed and wind direction data are ensured to be very close to the same position, and the consistency and accuracy of the data are improved. The layout is more compact, and space is saved.
Owner:福建友通电子有限公司 +1

Field vector wind field monitoring device and visualization method

The invention discloses a field vector wind field monitoring device and a visualization method. The device comprises a wind receiving detection mechanism, a data acquisition sensor and a data processing system, the wind receiving detection mechanism comprises a mounting frame and a self-adaptive forward wind receiving assembly; the self-adaptive forward wind receiving assembly comprises rotating blades, a wind indicator and a self-adaptive adjusting ring, the self-adaptive adjusting ring comprises an outer ring, a middle ring and an inner ring, the outer ring is arranged on the mounting frame, the middle ring is connected to the interior of the outer ring through a vertical rotating shaft, and the inner ring is connected to the interior of the middle ring through an inner horizontal rotating shaft; the rotating blades are rotationally connected to the mounting part in the inner ring; the wind indicator is provided with a horizontal empennage and a vertical empennage. According to the monitoring device and the visualization method, the vector wind field in the field can be monitored in real time, the vector visualization interface is generated, the cost is low, and better data support is provided for adjustment of operation parameters of the plant protection unmanned aerial vehicle and manual spray supplementation.
Owner:XINJIANG UYGUR AUTONOMOUS REGION INST OF MEASUREMENT & TESTING

Wind speed vane with improved structure

The utility model discloses a wind speed vane with an improved structure, which comprises a support base, a rotary joint, an impeller and a vane, and is characterized in that the support base comprises a base vertical rod which is vertically arranged; the rotary joint comprises an upper joint sleeve and a lower joint sleeve, the upper joint sleeve and the lower joint sleeve are rotationally connected through a joint bearing, and the lower joint sleeve is arranged at the upper end of the base vertical rod in a sleeving mode; the wind speed vane with the improved structure further comprises a three-way pipe, the three-way pipe is provided with a front side pipe connector with a forward opening, a rear side pipe connector with a backward opening and a lower side pipe connector with a downward opening, and the three-way pipe is arranged at the upper end of the upper joint sleeve in a sleeving mode through the lower side pipe connector. A front connector is inserted into a front pipe connector of the three-way pipe in a sleeved mode, and the impeller is rotationally installed on the front connector. A rear connector is inserted into a rear pipe connector of the three-way pipe in a sleeved mode, and the wind indicator is installed on the rear connector. By means of the structural design, the LED lamp has the advantages of being novel in design, good in structural compactness and convenient to assemble.
Owner:DONGGUAN WORMHOLE TRADING CO LTD

A real-time dynamic collection monitoring device for concentration level flux of a butterfly-shaped sandstorm

The present application relates to sand dust collection monitoring device field, specifically to a butterfly type sandstorm concentration level flux real-time dynamic collection monitoring device, including fixed protection cylinder, centrifugal sand dust inlet, rotating sand dust separation cylinder, wind sand separation pipe, wind sand separation exhaust pipe, exhaust pipe, high mesh exhaust dust screen, stainless steel conical pipe, round pipe shaft, upper rotating bearing, wind vane indicating screw, adjustable balance hammer, butterfly type wind vane rudder, fixed wind vane screw, lower fixed bearing, upper and lower connection tower buckle, can take the weighing bottle, the sand dust collection cup is placed on high-precision weighing sensor in the protection weighing bottle cylinder, real-time weighing through the weighing transmitter, data transmission to remote display screen for storage, through data remote antenna, send to laboratory terminal real-time observation sand dust concentration change, thereby realize long-term fixed point in unattended or sandstorm specific environment obtains the collection of dust particle concentration in different height different direction unit time unit area.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Lodging-type weather easy-to-fold and easy-to-break wind indicator rod

The utility model discloses a lodging type weather easy-to-break and fragile wind indicator rod, which relates to the technical field of airport navigation and comprises a fragile rod, the lower end of the fragile rod is arranged on a base in a turnover manner, the fragile rod is provided with a plurality of sections, and the diameters of the fragile rod are sequentially reduced from bottom to top. Wherein a box body is fixed to the outer side face of the fragile rod at the lowermost end, a spotlight and an aviation obstruction beacon are fixedly connected to the upper end of the fragile rod, a wind indicator is rotationally connected to the outer side of the fragile rod at the uppermost end, and the base is fixed to the ground. According to the utility model, through the arrangement of the plurality of sections of fragile rods, the fragile rods can be more easily broken at the joints when being subjected to extreme weather or being impacted by an airplane, so that the airplane is prevented from being damaged.
Owner:SHANXI JIELITONG LIGHTNING PROTECTION TECH CO LTD

A simulation test device for an angle-of-attack sensor

This utility model relates to the field of sensor detection technology, specifically a simulation test device for an angle-of-attack sensor. The device includes: a control panel that sends control signals to a motor based on the position of a self-test knob; an angle-of-attack sensor comprising a weather vane, a central gear, and a housing assembly, the central gear of which is connected to an angle-of-attack setting knob via a first gear assembly; a transmission mechanism comprising a clutch unit and a motor, the motor being connected to the first gear via the clutch unit to provide power to the central gear; a housing heating device for heating the housing of the angle-of-attack sensor; a thermocouple that transmits a third electrical signal to a logic judgment circuit; and a logic judgment circuit that calculates the temperature value based on the first electrical signal, the self-test angle based on the second electrical signal, and the third electrical signal. This utility model determines whether the angle-of-attack sensor is faulty in a laboratory environment based on the difference between the collected data and the actual value.
Owner:AIR FORCE ENG UNIV OF PLA AIRCRAFT MAINTENACE MANAGEMENT SERGEANT SCHOOL

Anemoscope

A wind indicator comprises a wind vane body, the wind vane body is detachably and fixedly connected with one end of a rotating shaft, the other end of the rotating shaft is rotationally connected with a protective sleeve, the wind vane body can drive the rotating shaft to rotate synchronously, a magnet is arranged at the bottom of the rotating shaft, a detection device is arranged in the protective sleeve and located below the magnet, and the detection device induces the magnet to obtain direction information. The protective sleeve is fixedly installed on the connecting shell, the lower end of the connecting shell is fixedly connected with a fixing base, and the fixing base is used for installing the anemoscope at the needed position. The weather vane body comprises a marker post, one side of the marker post is a head, the other side of the marker post is provided with a tail wing, a balance weight cover is arranged in the middle of the marker post, and an annular stop plate is arranged in the balance weight cover. Threaded holes are symmetrically formed in the connecting shell and correspond to the stopping plate, and ejection bolts are connected to the threaded holes in a threaded mode. According to the invention, the efficiency of maintaining and replacing parts is greatly improved, the labor intensity is reduced, and meanwhile, the damage to the parts in the disassembly and maintenance process can be reduced.
Owner:HEBEI PUTIAN STEEL STRUCTURE CO LTD

A wind direction indicator alignment device for a wind power generator

The application provides a wind direction indicator alignment device for a wind power generator, which comprises a base, a wind direction indicator, a support, a support plate and an alignment assembly. The wind direction indicator is rotatably installed on the base. The base is hingedly connected with supports at both ends. The supports are hingedly connected with the support plates. The bottom of the support plate is provided with an electromagnet I. The alignment assembly comprises winding wheels, ropes, an electromagnet II and a motor. The two winding wheels are rotatably installed on the base through rotating shafts. The rotating shafts are driven by the motor. The winding wheels are wound with the ropes. The other ends of the ropes are connected with the electromagnet II. The winding directions of the two ropes are opposite. When the rotating shafts rotate, the two winding wheels simultaneously unwind or wind. The two winding wheels are driven to rotate by the motor. The two ropes are wound. The electromagnet II is attracted to the wind power generator shell. The synchronously wound ropes displace the whole alignment device, so that the alignment device is in the center of the wind power generator shell, thereby realizing center alignment.
Owner:中广核新能源安徽有限公司

Overground storage tank of oil depot

The utility model provides an oil depot overground storage tank which is a steel vertical metal inner floating roof storage tank and comprises a tank body and an assembly type stainless steel full-liquid-receiving inner floating disc, a surrounding spiral ladder is arranged on the outer side of the tank body, an explosion-proof type human body touch static electricity eliminating device is arranged below the spiral ladder, a flame arrester is arranged in the center of the top of the storage tank, and the flame arrester is arranged in the middle of the top of the storage tank. A plurality of vent holes, a plurality of vent holes, a plurality of liquid level detection devices, a wind indicator, an explosion-proof illuminating lamp, an explosion-proof human body touch static electricity elimination device and a liquid level alarm device are arranged on the outer side edge of the top. The inner floating disc effectively isolates oil from air, oil volatilization is reduced, the telescopic supporting legs can stretch and retract up and down after falling to the bottom, it is guaranteed that oil is emitted as much as possible, and meanwhile explosive oil gas space is prevented from being formed. A flame arrester and a wind indicator are integrated on the tank top, the safety protection capacity is enhanced, and the wind direction can be automatically sensed; the tank body is provided with the combination of the vent holes and the air holes, the pressure balance in the storage tank is adjusted in time through the vent holes and the air holes, and the storage tank is prevented from pressure building or negative pressure suction shrinking.
Owner:国家粮食和物资储备局广东局七三三处

Outdoor integrated distribution box with enhanced heat dissipation

The application provides an outdoor comprehensive distribution box with enhanced heat dissipation, belonging to the technical field of distribution boxes. The device comprises a distribution box body, a heat exchange mechanism, a cooling mechanism and an air cooling mechanism. The heat exchange mechanism is arranged on the distribution box body and comprises a plurality of heat dissipation fins, which are arranged on the top of the distribution box. The cooling mechanism is arranged on the top of the distribution box body and comprises a rotating cover, which is rotatably connected with the distribution box body and contains the plurality of heat dissipation fins. A wind vane is arranged on the rotating cover and can adjust the direction of the rotating cover according to the direction of the incoming wind. The air cooling mechanism is arranged on the top of the distribution box body and penetrates through the rotating cover, comprising a plurality of fan blades arranged on the opposite side of the wind vane. The plurality of fan blades can be rotated by natural wind and transmit power to the distribution box. The device can adapt to different incoming wind directions of natural wind, achieve efficient heat dissipation, and reduce the probability of contact between dust and electronic components.
Owner:JIANGXI MINGTAI ELECTRICAL EQUIP CO LTD

Fan control method and device based on wake flow disturbance and wind direction change recognition

The invention discloses a draught fan control method and device based on wake flow disturbance and wind direction change recognition, relates to the technical field of new energy, and mainly aims to effectively recognize wake flow disturbance and wind direction change and prolong the service life of a draught fan. According to the main technical scheme, a first wind direction signal output by a wind indicator on the top of a cabin and a dynamic response signal that the cabin swings around the axis of a tower are obtained; and obtaining causal measurement between the two signals through a preset causal calculation method. And combining causal measurement, the dominant frequency component of the dynamic response signal and the change rate of the first wind direction signal to construct a multi-dimensional decision feature vector, inputting the multi-dimensional decision feature vector into a disturbance classification model, and outputting an initial classification probability of wake flow disturbance and wind direction change. Performing weighted correction on the initial classification probability by using the fan electric power signal to obtain a final classification probability; and judging the current state according to the final classification probability and a preset threshold. If the disturbance is wake flow disturbance, yaw triggering based on the first wind direction signal is restrained; and if the wind direction changes, yaw is triggered based on the signal.
Owner:ZHANGJIAKOU WIND & SOLAR POWER ENERGY DEMONSTRATION STATION CO LTD +1

Working station self-propelled multifunctional wind vane and system

The invention discloses a self-propelled multifunctional wind indicator and system for an operation station, and belongs to the technical field of poisonous and harmful high-risk operation such as an oil field engineering operation site, a united station and a gas collection and dehydration station, the wind indicator comprises a trolley, a folding hinge lifting device is arranged on the trolley, and a direction recognition area disc is arranged on the folding hinge lifting device. The center of the direction identification area disc is provided with a wind indicator pole, the wind indicator pole is provided with a wind indicator fan blade, a generator and a wind indicator tail, the wind indicator fan blade is connected with the generator, and the direction identification area disc is provided with a wind indicator direction identification conductive contact disc and a contact disc insulation strip. The trolley is arranged on the U-shaped wind indicator walking rubber guide rail, and the wind indicator protection shell is arranged at the terminal end of the U-shaped wind indicator walking rubber guide rail. The problem of social hazards caused by leakage of poisonous and harmful gas every year is greatly reduced.
Owner:PETROCHINA CO LTD

High-rise building propeller water mist synergistic active wind-resistant damping device

The invention discloses a high-rise building propeller water mist synergistic active wind resistance and vibration reduction device, and belongs to the technical field of wind resistance and vibration resistance devices. The device comprises a water pump, a pipeline, a roof base, a controller, a driving motor, a cross rod, water mist spray pipe sets, propellers and a wind indicator, the water pump is fixed to the roof of the high-rise building, the base is fixed to the center of the roof, the driving motor is installed on the base to drive the cross rod to rotate, the propellers are symmetrically arranged on the two sides of the cross rod, and the water mist spray pipe sets are fixed to the two sides of the propellers; the sprayed water mist surface is tightly attached to the back face of the propeller and used for improving the density of a medium where air near the propeller is mixed with water mist, and the thrust of the propeller is improved. And the wind indicator is fixed at the edge of the roof and is used for detecting the stress direction of the high-rise building. And pipelines are uniformly distributed in the base and the cross rod and are connected with the water pump and the water mist spray pipe group. The controller is located in the base and used for controlling the rotation angle of the transverse rod and rotation of the propeller. The invention provides a new idea of active vibration resistance by using external force for the wind resistance and vibration resistance of the high-rise building, and has the advantages of simple structure, lower cost and practicability.
Owner:GLOBAL INST OF SOFTWARE TECH

Automatic calibration method, device and equipment for installation angle of wind indicator and medium

The invention relates to a wind indicator installation angle automatic calibration method and device, equipment and a medium. The method comprises the following steps: acquiring original multi-dimensional sensor data, and performing feature extraction on the original multi-dimensional sensor data to obtain a multi-dimensional feature vector; on the basis of the multi-dimensional feature vector, the inclination amount of a base of the wind vane is calculated, and a real inclination parameter is obtained; based on the real inclination parameter, the deviation between the pointing direction of the current wind vane and the reference direction is calculated, and a compensation demand is obtained; based on the compensation demand and the eddy current feature vector, determining a compensation strategy for the direction of the wind vane to obtain an eddy current compensation strategy; generating calibration control parameters based on the eddy current compensation strategy; the calibration control parameters are used for indicating the wind indicator to calibrate the installation angle. By adopting the method, dynamic interference can be adaptively compensated through real-time sensing and dynamic decoupling means, and the calibration precision of the installation angle of the wind indicator is improved.
Owner:XINJIANG SILK ROAD KUNYUAN ENERGY CO LTD

Wind vane device of wind driven generator

The invention relates to the technical field of wind power generation, and discloses a wind indicator device of a wind driven generator, which comprises a cross rod, a pointing plate, a tail plate, a supporting base and a connecting disc, the pointing plate and the tail plate are respectively fixedly arranged at two ends of the cross rod, a bottom plate is fixedly arranged at the bottom end of the supporting base, and a supporting rod is fixedly arranged at the bottom end of the cross rod. A protective shell is fixedly installed at the top end of the supporting base, a connecting disc is slidably connected with the inner wall of the protective shell, and a supporting shaft is rotatably connected to the top end of the connecting disc through a bearing pedestal. The wind indicator can shake up and down in a reciprocating manner, and the scraper and the brush can brush up and down in a reciprocating manner, so that snow or ice on the tail plate of the wind indicator can be cleaned quickly and effectively, the weight of the wind indicator is prevented from being changed, the measurement precision is prevented from being influenced, and normal use of the wind indicator in severe weather is ensured.
Owner:YANCHENG POWER SUPPLY CO STATE GRID JIANGSU ELECTRIC POWER CO +2

Multi-airspeed-tube testing device

The utility model discloses a multi-airspeed-tube testing device, and the device is characterized in that a wind indicator is rotatably disposed on a pedestal, the wind indicator comprises a first connection part and an empennage, and the empennage is disposed at one end of the first connection part; the testing support is installed at the end, away from the empennage, of the first connecting part, the testing support comprises a plurality of installation parts, each testing unit is installed on one installation part, and each testing unit comprises an airspeed tube and an airspeed meter. According to the multi-airspeed-tube testing device, static pressure data and dynamic pressure data of airspeed meters of a plurality of testing units can be obtained at the same time, the influence of the difference of environment conditions at different testing moments on a testing result is reduced to the maximum extent, and the time consistency and comparability of each group of data are ensured; therefore, the data result of each group of test units is compared with the data result of the standard meteorological equipment, the airspeed tube and airspeed meter combination with accurate speed measurement and high matching degree can be quickly and accurately screened out, and the measurement accuracy and reliability of the airspeed tube and airspeed meter combination can be improved.
Owner:SOUTHERN MARINE SCI & ENG GUANGDONG LAB (ZHUHAI) +2

A hand-operated wind direction and speed demonstration device

ActiveCN224553919UAir velocityDisplay device
The utility model provides a kind of hand-operated wind direction and speed demonstration equipment, belong to popular science demonstration technical field, solve the problem that existing technology cannot intuitively popularize the relationship between wind vane and wind direction and demonstrate the change of wind speed under indoor windless environment.It includes base, base is rotationally provided with driven gear ring and the support frame synchronous rotation with driven gear ring, driven gear ring is connected with hand-operated drive component, support frame is provided with fan, base is fixedly provided with stator at the axis of driven gear ring, rotor is rotationally arranged in stator, the wire connected with fan is connected on rotor, base is vertically provided with wind direction and speed display device at the axis of rotor.Hand-operated drive component drives driven gear ring and fan to rotate around wind direction and speed display device, changes wind direction so that the relationship between wind vane and wind direction can be intuitively seen, fan has the process of wind speed promotion from opening to wind speed stabilization, wind speed change can also be intuitively seen on wind direction and speed display device.
Owner:CHENGDU LICHAO CULTURE COMM CO LTD +1

A lightning protection wind measurement device for an offshore wind turbine

The application provides a lightning protection wind measuring device of an offshore wind turbine, and relates to the technical field of wind power monitoring, which comprises a base, the upper end of the base is provided with a lightning receptor, the lightning receptor comprises a flange fixing disc, a main lightning rod and a framework ring, the flange fixing disc and the framework ring are provided with a wind direction follow-up flow guiding structure, the wind direction follow-up flow guiding structure is installed in cooperation with a first sliding groove in a first ring, a first sealing bearing and a second sealing bearing installed in a second ring, and a first connecting ring, a second connecting ring, a first connecting rod support, a wind tail wing, a second connecting rod support and a trapezoidal arc surface wind guiding indicator installed oppositely, so as to form a complete wind vane structure, which can guide external airflow to flow stably along the streamlined surface of the trapezoidal arc surface wind guiding indicator, disperse the force of wind by using the guiding effect of airflow, reduce the wind resistance load borne by the whole lightning receptor, and avoid the occurrence of inclination, tilt or structural damage of the lightning receptor caused by the continuous impact of strong wind.
Owner:STATE OCEANIC ADMINISTRATION YANTAI MARINE ENVIRONMENT MONITORING CENT STATION

Airplane angle of attack excitation device

An aircraft angle-of-attack (AOA) excitation device is disclosed, capable of remotely adjusting the rotation angle of an aircraft angle-of-attack weather vane. The device includes: a weather vane clamp for holding and fixing the weather vane; a fixing part for fixing the weather vane clamp to the excitation device; a drive part fixedly connected to the weather vane clamp and for driving the weather vane clamp to rotate; and a control part communicatively connected to the drive part, receiving remote operation signals from a real-time simulation model, and controlling the drive part to rotate to a desired angle. Through this aircraft OAA excitation device, the aircraft's angle of attack can be rotated to a specific angle via real-time simulation model data.
Owner:COMMERCIAL AIRCRAFT CORP OF CHINA LTD +1

Anemometer for measurement in mine

The utility model discloses an anemometer for measurement in a mine, which relates to the technical field of anemometers, and comprises an anemometer main body and a protective sleeve, the side end face of the anemometer main body is provided with an anti-drop strip, the top of the front end face of the anemometer main body is provided with a movably connected wind indicator, and the protective sleeve is sleeved outside the anemometer main body and is in interference fit with the anemometer main body. A measuring fan, a display screen and a control button are arranged at the front end of the wind meter body, the wind indicator comprises a fixing seat, a sliding sleeve, a sliding rod, a pointing rod, an arrow and an arrow tail, the fixing seat is fixedly mounted on the front end face of the wind meter body, damping rotating shafts rotationally connected with the fixing seat are arranged on the left side and the right side of the sliding sleeve, and the sliding rod is mounted in the sliding sleeve and slidably connected with the sliding sleeve. The portable wind speed meter has the advantages of drop-resistant protection, accurate measurement, convenience in carrying and simplicity and convenience in operation, and solves the problems that the traditional wind speed meter is easy to damage in a complex mine environment, is difficult to accurately measure the wind speed and is inconvenient to carry.
Owner:INNER MONGOLIA RESEARCH INSTITUTE CHINA UNIVERSITY OF MINING AND TECHNOLOGY (BEIJING) +1

Intelligent perception device for air station building

The utility model discloses an air station house intelligence sensing device, including station house body, station house body inside is equipped with integrated board, is equipped with temperature sensor, humidity transducer and smoke alarm on integrated board, is equipped with air conditioning system in station house inner wall, and station house bottom is equipped with controller and power supply equipment, and station house top is equipped with camera and suspension type automatic fire extinguisher, and station house top is equipped with vertical pole, and is equipped with wind vane on vertical pole, and wind vane is linked with angle sensor, and still be equipped with first motor on station house, and first motor is linked with rotating shaft, and rotating shaft is linked with rotating disc and rotating cylinder, and is equipped with first air pipe, second air pipe and third air pipe on rotating cylinder, and first air pipe, second air pipe and third air pipe are connected with first fan, second fan and third fan respectively, has with the advantage that the air suction and exhaust of self -adaptation adjustment with the wind direction, integrated multi -sensing perception, solar auxiliary power supply.
Owner:HUATONG INTELLIGENT MFG (SHANDONG) INTELLIGENT TECH GRP CO LTD

Clamp for wind direction detection

The utility model provides a clamp for wind direction detection. The clamp for wind direction detection is applied to the technical field of wind direction detection. The connecting seat is located at the center of the dial, a cylindrical connecting hole is formed in the connecting seat, and the axis of the connecting hole is perpendicular to the dial; the wind vane comprises a vane body and a rod body, and the rod body is connected in the connecting hole; the limiting rod is positioned between the dial and the rod body; at least three groups of locking screws are uniformly arranged on the side wall of the connecting seat, and the locking screws are in threaded connection with the connecting seat. The rod body is clamped between the multiple locking screws, and the rod body and the connecting hole are coaxially arranged. In this way, the technical problem that the angle of the wind indicator is changed due to the fact that the wind indicator is prone to loosening in the installation and use process can be solved.
Owner:CMA METEOROLOGICAL OBSERVATION CENT

Wind power factor correlation estimation method and system based on grey correlation analysis

The invention provides a wind power factor correlation estimation method and system based on grey correlation analysis. The wind speed, the wind direction, the temperature, the air humidity and the wind power estimation power of multiple scenes are obtained; performing standardization processing through a normalization method to obtain standardized data; determining the influence degree of each factor on wind power estimation through an improved grey correlation method; collecting real-time wind speed, wind direction, temperature and air humidity, and obtaining real-time standardized wind speed, standardized wind direction, standardized temperature and standardized air humidity through standardization; and inputting the factor with the maximum correlation coefficient into a support vector machine wind power estimation model for estimation to obtain real-time wind power. The method is high in adaptability, visual in result and simple to operate, can flexibly deal with complex conditions, greatly improves the efficiency and accuracy of wind power prediction and management, and plays an important role in promoting the development of the wind power industry.
Owner:WENSHAN POWER SUPPLY BUREAU YUNNAN GRID

Modular portable wind measuring tool

The utility model discloses a module formula portable wind measuring tool belongs to wind measuring tool technical field. Including wind measuring module main part, the inside of wind measuring module main part is equipped with electronic compass sensor, and the electronic compass sensor part extends to the outside of main part, and the wind adjusting platform includes rotary position sensor and force arm mechanism, is used for automatic direction finding, and the wind measuring wind wheel includes rotary motor and calibration platform, and rotary motor stator fixedly embeds, and rotor is directly connected with wind wheel, the utility model discloses the accurate south direction data of getting through the extension type electronic compass sensor of wind measuring module main part built -in, combines the wind vane angle signal of rotary position sensor detection in the wind adjusting platform, and the real wind direction is calculated through treater, does not need to rely on artificial subjective judgment, and simultaneously cooperates the data reliability of wind vane mark strip and can be verified fast, solves the problem of the lack of direction reference, reduces the wind direction measurement error, provides accurate direction data support for wind farm inspection, construction.
Owner:SINOHYDRO BUREAU 11 CO LTD

Meteorological wind speed and direction measuring instrument

The utility model provides a meteorological wind speed and direction measuring instrument, and belongs to the technical field of meteorological equipment. The lifting rod is mounted on the base; the cylinder body is vertically arranged, a beam plate is arranged in the lower end face of the cylinder body, the cylinder body is installed on the lifting rod, and an exhaust slit is formed in the lower end of the cylinder body; the excitation motor is arranged on the beam plate, a sealing cover plate is arranged on the excitation motor, and the sealing cover plate abuts against the cylinder body in an attached mode; a detection fan, the excitation motor is connected with the detection fan, and the detection fan is arranged in the cylinder body; the wind collecting port comprises an L-shaped wind collecting structure, an arc-shaped baffle connected with the L-shaped wind collecting structure, and a wind vane mounted on the L-shaped wind collecting structure. The technical defects that an existing wind speed measuring device is large in size and not suitable for being used in a narrow space can be overcome.
Owner:NINGXIA HUI AUTONOMOUS REGION ATMOSPHERIC DETECTION TECH GUARANTEE CENT

Wind turbine wind vane calibration device and calibration method

Disclosed in the present invention are a wind turbine wind vane calibration device and calibration method. The wind turbine wind vane calibration device comprises a clamping member, a support, a rotating member, range finders and a positioning member; the clamping member is mounted at the lower end of the support, and the clamping member is used for being fixedly mounted on a fixed column; the rotating member is mounted at the upper end of the support; the two range finders are mounted on the rotating member, and the two range finders are arranged at an angle to each other and are symmetrically mounted with respect to a central axis; the positioning member is mounted on the rotating member and located above the clamping member, and the positioning member is used for connecting to and supporting the lower end of a wind vane. Further comprised is a calibration structure for calibrating the wind vane, wherein the wind vane is provided with a reference mark, and, by means of the reference mark, the calibration structure positions the wind vane in the circumferential direction. The present invention enables convenient and quick calibration of a wind vane without calibrating a nacelle centerline.
Owner:CTGR WUJIAQU POWER GENERATION CO LTD QITAI BRANCH +1