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52 results about "Wave buoy" patented technology

Wave/tidal test verification system device and application thereof

The invention relates to a wave/tidal test verification system device and application thereof. The wave/tidal test verification system device comprises a core measurement and control system and a key auxiliary mechanism, wherein the core measurement and control system comprises a power system and a measurement and control system; the key auxiliary mechanism comprises a traction auxiliary mechanism, a bearing platform auxiliary mechanism and an isolation auxiliary mechanism; and the measurement and control system is used for monitoring and controlling a system and mutually cooperated with the power system. The wave/tidal test verification system device disclosed by the invention is a novel wave and tidal integral test verification system which completes the verification tasks of a gravity acceleration sensor, a gravity acceleration meter type wave buoy, a pressure-type acoustic-type optical-type wave measuring instrument and a pressure-type acoustic-type float-type tide gauge/water level meter by simulating the movement change rule of waves/tides/water levels by dragging the bearing platform auxiliary mechanism to move at acceleration fitting to a certain change rule in a vertical direction by dint of the traction auxiliary mechanism.
Owner:中国人民解放军理工大学气象学院

GNSS-based real-time high-precision wave measurement method and device

The invention provides a novel real-time high-precision wave measurement method based on GNSS. GNSS phase, pseudo-range, Doppler frequency shift observation values and broadcast ephemeris are collected through a GNSS receiver (or board card) and an antenna carried by sea surface carriers such as a wave buoy, the three-dimensional speed of the carriers such as the buoy is obtained through epoch difference of the phase observation values, and then element information such as the direction spectrum, the frequency spectrum, the wave height, the period and the wave direction of waves is obtained; the change of displacement along with time is obtained by integrating the speed for a certain time length and removing a linear trend term, and wave element information can be also obtained through solving; and no extra precise differential correction number is needed, so that the service cost and the communication cost of precise differential correction are saved. The method is suitable for offshore and pelagic scenes, high-precision wave element information is obtained in real time and stored in the buoy locally or periodically for communication and return, the working range of GNSS-based ocean wave measurement is expanded, and the method has high practical application value.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA

Anti-stormy-wave buoy

The invention provides an anti-stormy-wave buoy, and belongs to the technical field of buoys. The device comprises a floating body, a plugging block and two adjusting devices; a perforated hole is formed in floating body, and a circular pipe is vertically and fixedly arranged on the through hole; the plugging block is arranged in the circular pipe; the two adjusting devices are symmetrically arranged on the two sides of the circular pipe. Each adjusting device comprises a communicating hole, a piston cylinder, a second through hole, an air hole and an adjusting mechanism; the communicating hole is formed in the side wall of the lower cavity; the piston cylinder is horizontally and fixedly arranged on the outer side wall of the circular pipe; a piston rod is slidably arranged in the pistoncylinder; one end of the piston rod extends into the piston cylinder and is fixedly provided with a piston; the piston divides the interior of the piston cylinder into a first cavity and a second cavity, the second through hole is formed in the bottom of the first cavity, the second through hole communicates with the communicating hole, the air hole is formed in the side wall of the second cavity,and the adjusting mechanisms can reduce the rotating speed of sleeves and can also reduce the height of the gravity center of the buoy. The buoy has strong wind wave resistance, and is safe and reliable.
Owner:ZHEJIANG OCEAN UNIV

Ocean wave buoy based on six-dimensional acceleration sensor and wave statistic method

The invention discloses an ocean wave buoy based on a parallel piezoelectric type six-dimensional acceleration sensor. The ocean wave buoy comprises a buoy body, a sensor system and a control system,wherein the control system arranged in the buoy body integrates wave acceleration information, wind speed information, wind direction information and azimuth angle information which is sent by an electronic compass, separately processes the characteristics of waves at the position of the ocean wave buoy body and meteorological data to calculate the main wave direction, the wave height, the wave period, the actual wind direction and the actual wind speed, and sends the calculated main wave direction, the wave height, the wave period, the actual wind direction and the actual wind speed to a monitoring system on a user side through a communication module. By means of the ocean wave buoy, the technical problems that ocean waves are observed can be solved, and the limitations in the prior art can be overcome; the wave characteristics, such as the wave height, the wave period and the wave direction, of the ocean waves and the meteorological factors, such as the wind speed and the wind direction, can be observed.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Calculating method for main wave direction of wave direction buoy based on optimization classification and vector average

The invention discloses a calculating method for the main wave direction of a wave direction buoy based on optimization classification and vector average, and belongs to the technical field of marinemonitoring. The calculating method comprises the steps that (1) data are pretreated; (2) aiming at each wave period, the instant wave directions of all sampling points in a range are calculated firstly, data of the instant wave directions of the sampling points are processed by classifying and vector average methods, and wave directions of single waves are obtained; (3) angle range division is carried out, the number of the wave directions of the single waves in each angle range is subjected to statistics and proportion count; and (4) a middle value of the angle range with the largest proportion count value is adopted as the main wave direction. The calculating method for the main wave direction of the wave direction buoy based on the optimization classification and vector average not onlyis effective in actual measurement, but also has high goodness fit with a manually observing result, the precision of the calculating method is better than the precision of a result of the main wavedirection measured in a traditional buoy algorithm, the stability and accuracy of measuring the main wave direction of the wave buoy are improved, and the calculating method for the main wave direction can be widely popularized and applied in marine observing equipment.
Owner:HARBIN ENG UNIV

Fixing clamp special for detecting wave buoys

InactiveCN102494705AHigh strengthSolve the problem that needs to replace the fixed clampMeasurement apparatus componentsClassical mechanicsEngineering
The invention relates to a fixing clamp special for detecting wave buoys, which is characterized in that a regular-dodecagonal annular frame is adopted, installation blocks for connecting a fixing shaft are symmetrically installed on two sides of the frame, a plurality of radially adjusting screws are designed on the frame, clamping blocks for clamping the wave buoys are installed at the inner ends of the radially adjusting screws, U-shaped grooves are arranged on the inner lateral faces of the clamping blocks and capable of clamping and fixing the wave buoys to be detected, and accordingly the clamp for fixing the wave buoys with large diameters is formed. Further, the clamp for fixing the wave buoys with small diameters can be formed by installing a small annular frame on the basis of the existing clamping blocks and installing six radially adjusting screws on the lateral surfaces of the small frame, the clamping blocks for clamping small wave buoys are also installed at the inner ends of the adjusting screws, and U-shaped grooves are also arranged on the inner sides of the clamping blocks for clamping and fixing the small wave buoys to be detected. Therefore, strength of the frame is increased, deformation is reduced, and the problem that the fixing clamp requires to be replaced when installing the large wave buoys or the small wave buoys can be solved. Further the fixing clamp special for detecting wave buoys has the advantages of being safe, fast and accurate to install.
Owner:NAT CENT OF OCEAN STANDARDS & METROLOGY

Wave direction detection device of wave buoy

ActiveCN104236585ASimulation is accurateAvoid Horizontal Acceleration InterferenceMeasurement devicesReciprocating motionEngineering
The invention discloses a wave direction detection device of a wave buoy. The wave direction detection device comprises a wave direction detection mechanism, a drive device, a controller device and a terminal control device, wherein a horizontal shaking mechanism comprises a main shaft, a first gear, a second gear, a slider-crank mechanism and an oscillating bar; the first gear and the second gear are coaxially installed on the main shaft, the horizontal shaking mechanism drives the oscillating bar through the slider-crank mechanism so as to drive a three-dimensional carrying rotating platform to swing. By adopting the wave direction detection device, the domestic blank of the test method and equipment for detecting the wave direction parameters of the wave buoy and a gravity acceleration sensor can be filled. Compared with the existing perpendicular lifting sinusoidal simulation and correction device established by National Oceanic and Atmospheric Administration (NOAA) in USA, the wave direction detection device has the advantages that by virtue of ingenuous design, the left-right swinging of the three-dimensional carrying rotating platform in the lifting reciprocating motion process can be realized by innovatively adopting two unidirectional overrunning clutch devices, so that the perpendicular lifting sinusoidal motion is closer to the real motion law of the wave, and the structural design is simple.
Owner:中船鹏力(南京)大气海洋信息系统有限公司

Intelligent adjusting and controlling system for lifting and steering of wave power generation platform

The invention discloses an intelligent adjusting and controlling system for lifting and steering of a wave power generation platform. The intelligent adjusting and controlling system comprises a sensor module, a controller module, a driver module and an actuating module. The sensor module comprises ultrasonic sensors, a gyroscope used for collecting device posture information, and a wave buoy used for collecting the sea surface wave direction. The controller module comprises an MCU. The driver module is used for transmitting a control command to the actuating mechanism. The actuating mechanism comprises a lifting coarse adjustment branch, a lifting fine adjustment branch and a motor branch. According to the intelligent adjusting and controlling system, lifting and steering are integrated into a closed-loop system, and self-adaption lifting and steering actions of a device are achieved; and by feeding back data analysis results of ultrasonic waves and the gyroscope, monitoring to the real-time state of the device is achieved. The reliability and the adaptability of a current wave power generation device are greatly improved, damage caused by wave impact to a frame of the device is reduced, and energy consumed by lifting and steering is reduced; and the effective utilization rate of wave energy is increased.
Owner:WUHAN UNIV OF TECH

Cross calibration method and device for significant wave height of wave buoy

The invention provides a cross calibration method and device for the significant wave height of a wave buoy, electronic equipment and a storage medium. The method comprises the steps of acquiring historical remote sensing wave significant wave height data and historical wave significant wave height data observed by buoys of different specifications; performing space-time matching, numerical discrete averaging and matching regression on the historical remote sensing wave significant wave height data and historical wave significant wave height data observed by buoys of different specifications,and establishing a buoy significant wave height cross calibration equation; acquiring wave observation data of a to-be-calibrated wave buoy, the wave observation data being significant wave height data of waves; and correcting the wave significant wave height data through the buoy significant wave height cross calibration equation to obtain corrected buoy wave significant wave height data. By implementing the embodiment of the invention, cross calibration can be performed on significant wave height observation of buoys of different specifications, the consistency of significant wave heights ofwaves in observation data of a wave buoy is improved, and the application reliability and application value of wave observation by a wave buoy are effectively improved.
Owner:国家海洋环境预报中心

Specific stationary fixture for detecting wave buoy

ActiveCN104197956AImprove accuracyTroubleshoot issues that require fixture replacementMeasuring open water movementSteel ballDirection detection
The application discloses a specific stationary fixture for detecting a wave buoy. The specific stationary fixture comprises a fixed rotating shaft, positioning pins, a rotating body seat, upper buoy pressing discs, fixed bolts, rubber gaskets, thread sleeves, steel ball rolling wheels, a positioning rotating table, a rotating shaft flange disc, lower buoy pressing discs and positioning pins, wherein the fixed rotating shaft and the rotating shaft flange disc are fixedly mounted on two sides of the positioning rotating table after being assembled; the steel ball rolling wheels are uniformly mounted on an upper machining mounting surface of the positioning rotating table and are required to be located in one plane; the rotating body seat is fixedly arranged on the positioning rotating table by virtue of cooperation of the fixed bolts and the thread sleeves, and is locked by the positioning pins. The specific stationary fixture for detecting the wave buoy has the beneficial effects that the principle is advanced, the design is skillful, and the operation is safe and rapid; the center of the fixed wave buoy is in high superposition with a fixed axial surface of the combined fixture, so that the detection accuracy is guaranteed; meanwhile, the circumferential rotation and positioning can be easily carried out during a wave direction detection test.
Owner:中船鹏力(南京)大气海洋信息系统有限公司

Buoy auxiliary installation platform of wave buoy calibrating device and buoy installation method

The invention discloses a buoy auxiliary installation platform of a wave buoy calibrating device and a buoy installation method. The buoy auxiliary installation platform comprises a supporting frame and a slideway, the slideway is arranged on a mounting platform of the double ring trusses and is positioned in an outer side area between a south ring truss and a north ring truss of the double ring trusses, and the supporting frame is arranged on the slideway in a sliding manner, is used for bearing a buoy fixture capable of fixing a buoy and can slide to a preset mounting position between the south ring truss and the north ring truss along the slideway, so that the buoy fixture is fixed on the double ring trusses. According to the auxiliary buoy mounting platform, the installation process ofthe buoy and the buoy fixture is moved out of the device, after the buoy is installed, the buoy is pushed into the double ring trusses through the slideway, and the buoy fixture and the double ring trusses can be rapidly fixed through the lock pins, so that the buoy installation work is completed, the safety coefficient of the buoy installation is greatly increased, the working intensity is reduced, and meanwhile the installation precision of the buoy and the buoy fixture is guaranteed.
Owner:国家海洋局北海标准计量中心

Wave/tidal test verification system device and application thereof

The invention relates to a wave / tidal test verification system device and application thereof. The wave / tidal test verification system device comprises a core measurement and control system and a key auxiliary mechanism, wherein the core measurement and control system comprises a power system and a measurement and control system; the key auxiliary mechanism comprises a traction auxiliary mechanism, a bearing platform auxiliary mechanism and an isolation auxiliary mechanism; and the measurement and control system is used for monitoring and controlling a system and mutually cooperated with the power system. The wave / tidal test verification system device disclosed by the invention is a novel wave and tidal integral test verification system which completes the verification tasks of a gravity acceleration sensor, a gravity acceleration meter type wave buoy, a pressure-type acoustic-type optical-type wave measuring instrument and a pressure-type acoustic-type float-type tide gauge / water level meter by simulating the movement change rule of waves / tides / water levels by dragging the bearing platform auxiliary mechanism to move at acceleration fitting to a certain change rule in a vertical direction by dint of the traction auxiliary mechanism.
Owner:中国人民解放军理工大学气象学院

Wave buoy dominant wave direction calculation method based on mean shift clustering algorithm

The invention belongs to the technical field of ocean monitoring, and particularly relates to a wave buoy dominant wave direction calculation method based on a mean shift clustering algorithm. The method comprises the following steps: reading a group of continuous original data measured and recorded by a buoy, and carrying out outlier detection on original trim angle and heeling angle data by utilizing an outlier detection algorithm based on mean shift clustering without specifying the number of clusters in advance; processing the detected outliers by adopting an outlier correction method; dividing wave periods by using an upper-span zero point, and determining the number of the wave periods; selecting a sampling point interval for calculating the wave direction of a single wave, and calculating the instantaneous wave direction of each sampling point in the interval and the wave direction of the single wave; counting the counting proportion of the wave direction measurement result of a single wave in 16 angle intervals; and selecting the median of the angle interval with the maximum counting proportion value as the main wave direction. According to the method, the outliers in the inclination angle data are detected and processed, so that the influence of the outliers on wave direction measurement is eliminated, and the wave direction measurement accuracy of the buoy is effectively improved.
Owner:中国船舶集团有限公司第七二四研究所

Wave direction measurement method based on differential pressure method

The invention provides a wave direction measurement method based on a differential pressure method, belonging to the field of marine monitoring technology measurement. The method comprises the steps: laying a multi-point pressure sensor in a geometrical shape underwater; synchronously acquiring pressure values of a plurality of pressure points, and converting each pressure value into a water depth value corresponding to each pressure point; and analyzing the pressure difference change of the pressure values at multiple points at the same moment, and judging the wave direction according to the pressure difference change rule. According to the method, the pressure sensor is arranged underwater, and no buoy needs to be arranged on a sea surface, so the safety and the stability of measuring equipment are improved; the pressure sensor is not affected by ocean current, wind, an anchor system and other environments, and the problem of measurement wave direction distortion is not prone to occurring; the problems that a wave buoy is low in use safety and prone to being lost and stolen and to being crashed by a fishing boat are solved; and compared with a wave buoy measurement method in which ships need to be rented every time, the method is lower in use and maintenance cost.
Owner:OCEAN UNIV OF CHINA

anti-storm buoy

The invention provides an anti-wind and wave buoy, which belongs to the technical field of buoys. The present invention includes a floating body, a blocking block and two adjustment devices. The floating body is provided with a perforation, a circular tube is fixed vertically on the perforation, the blocking block is arranged in the circular tube, and the two regulating devices are arranged symmetrically on both sides of the circular tube. The adjustment device includes a communication hole, a piston cylinder, a second through hole, a vent hole and an adjustment mechanism. The communication hole is set on the side wall of the lower chamber, the piston cylinder is horizontally fixed on the outer wall of the round tube, and a piston is slid inside the piston cylinder. Rod, one end of the piston rod extends into the piston cylinder and a piston is fixed at the end, the piston divides the interior of the piston cylinder into a first cavity and a second cavity, the second through hole is opened at the bottom of the first cavity, and the second through hole is opened at the bottom of the first cavity. The second through hole communicates with the communication hole, and the vent hole is opened on the side wall of the second cavity, and the adjusting mechanism can reduce the rotation speed of the casing and also lower the height of the center of gravity of the buoy. The invention has strong anti-wind and wave ability, and is safe and reliable.
Owner:ZHEJIANG OCEAN UNIV

Power generation device using air storage energy of ocean waves

The invention relates to the technical field of wave power generation and particularly discloses a power generation device using air storage energy of ocean waves. The power generation device comprises a wave buoy, a connecting rod mechanism, speed increasing machines, a gear mechanism, air pumps, an air storage tank, a pneumatic motor and an electric generator. The wave buoy can swing by utilizing ocean waves. The wave buoy is connected with input ends of the speed increasing machines through the connecting rod mechanism so that power can be transferred to the speed increasing machines. Output ends of the speed increasing machines are connected with input ends of the air pumps through the gear mechanism so that the air pumps are driven. Air outlets of the air pumps are connected with an air inlet of the air storage tank and used for air storage in the air storage tank after being driven by force. An output end of the pneumatic motor is connected with an input end of the electric generator. An air outlet of the air storage tank is connected with an air inlet of the pneumatic motor and used for driving the motor and driving the electric generator to generate power. According to thepower generation device using air storage energy of the ocean waves, ocean wave energy can be fully and reasonably utilized; kinetic energy of the waves is transformed into kinetic energy of gases; and the kinetic energy of the gases is utilized again to generate power.
Owner:大连真源海洋新能源科技有限公司

Wave buoy dominant wave direction calculation method based on wave energy weighting

The invention relates to a method for calculating the main wave direction of a wave buoy based on wave energy weighting. The method comprises the steps of reading original data measured by the buoy, performing wave division according to an upper crossing zero point, calculating corresponding wave period values, counting the number of wave periods, and calculating the wave height of each wave period; for the segmented wave period, calculating the wave direction of a single wave in the period by using information measured by a buoy at a lower crossing zero point, so as to obtain all the wave directions of the single wave; counting the number of single waves appearing in the wave direction in each angle interval, and further obtaining a wave direction appearing rate; and selecting an angle interval where the maximum wave direction occurrence rate is located, calculating the wave energy of each wave in the interval, and carrying out weighted vector average processing by taking the obtained wave energy as a weight so as to calculate the main wave direction. Based on the leading effect of wave energy on wave motion, the influence of the wave energy on wave direction measurement is fully utilized, so that a more accurate main wave direction is obtained, and the accuracy of wave direction measurement is improved.
Owner:中国船舶集团有限公司第七二四研究所
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