1669results about "Buoys" patented technology

A drifting buoy trajectory prediction method based on a hybrid neural network prediction model, includes: S1, obtaining marine environmental data and historical trajectory data of a drifting buoy; S2, performing preprocessing on the marine environmental data and the historical trajectory data to obtain input data configured to predict northward and an eastward velocities of the drifting buoy; S3, inputting the input data into the hybrid neural network prediction model to obtain predicted values of the northward and eastward velocities; S4, calculating latitude and longitude coordinates of a trajectory point of the drifting buoy based on the predicted values of the eastward and northward velocities; and S5, predicting, by repeating the step S1-S4, latitude and longitude coordinates of trajectory points of the drifting buoy at multiple time points to obtain a sequence of trajectory point coordinates to thereby achieve trajectory prediction of the drifting buoy over a target future period.

The invention discloses an on-site monitoring system for the performance of an elastic loose type anchorage system suitable for deep-sea buoys, and particularly relates to the field of deep-sea monitoring. The on-site monitoring system auxiliary comprises a central processing module, wherein the output end of the central processing module is separately connected with an information display module,an information storage module, an auxiliary recovery module and a driving module, and the input end of the central processing module is separately connected with a power supply module, a monitoring module, a correction module and a positioning module. According to the on-site monitoring system for the performance of the elastic loose type anchorage system suitable for the deep-sea buoys, the auxiliary recovery module is arranged, air bags are installed at a plurality of node positions on the anchorage system, a booster pump in a pressurization unit is used, outside air is conveyed into a floating ball unit through a pipeline unit, so that the retractable air bags are enabled to bulge upwards to float, the whole anchor system is directly floated in sections, people conveniently recycle theanchorage system greatly, the workload during the recycling process is reduced, and the practicability is high.

The invention discloses a large-scale ocean data buoy safety monitoring system and method based on multi-source fusion, and relates to the technical field of buoy monitoring. Buoy equipment operation parameters, ocean environment data and surrounding ship dynamic information are synchronously acquired through a buoy body sensor group, an environment monitoring unit and a ship identification module; time-frequency domain feature extraction and anomaly detection are carried out on the collected data, and a collision risk dynamic evaluation model is constructed in combination with ship trajectory prediction; establishing an equipment health, environment interference and ship threat fusion evaluation system, and performing risk grade division in combination with real-time monitoring data and a historical database; and generating early warning information based on the risk level, and automatically triggering an equipment maintenance instruction and a ship collision avoidance alarm. The method adapts to ship variable-speed steering scenes, threshold values are dynamically adjusted, and adaptability and analysis accuracy of the system are improved.

The present invention relates to a wave energy power generation buoy with a variable length and angle damping plate and its control method, belonging to the technical field of wave energy power generation buoys. It includes a main floating body, an air turbine and a damping plate. The main floating body is a hollow rear-bent pipe structure. The air turbine is installed at the air outlet at the top of the rear end of the main floating body. The damping plate is installed at the rear end of the main floating body. The damping plate includes an L-shaped fixed plate, a horizontal telescopic plate, a vertical telescopic plate and an inclined movable plate. The L-shaped fixed plate is fixedly connected to the main floating body. The horizontal telescopic plate is horizontally slidably connected to the horizontal side plate of the L-shaped fixed plate. The vertical telescopic plate is vertically slidably connected to the vertical side plate of the L-shaped fixed plate. The upper and lower ends of the inclined movable plate are respectively movably connected to the vertical telescopic plate and the horizontal telescopic plate. The L-shaped fixed plate is provided with a first telescopic driving mechanism for driving the horizontal telescopic plate to move back and forth and a second telescopic driving mechanism for driving the vertical telescopic plate to move up and down. The present invention can improve the wave energy conversion efficiency.

The present invention relates to a wave energy power generation buoy with a variable floating drum diameter and a control method thereof, belonging to the technical field of wave energy power generation buoys, and comprising an air turbine, a rigid floating drum, a flexible floating drum and a heaving plate. The rigid floating drum is a cylinder with a fixed annular cavity, an oscillating water column channel is arranged at the center of the rigid floating drum, a ventilation port communicated with the oscillating water column channel is arranged at the top center of the rigid floating drum, the air turbine is fixedly installed at the ventilation port, a plurality of uniformly distributed vertical rods are fixedly connected to the bottom of the rigid floating drum, and the lower ends of the vertical rods are fixedly connected to the heaving plate. The flexible floating drum is a cylinder with a radially variable annular cavity, the flexible floating drum is fixedly sleeved on the outer peripheral side of the rigid floating drum, and an air inflation and extraction device for inflating or extracting air from the flexible floating drum to change its radial dimension is fixedly installed in the fixed annular cavity. The present invention improves the wave energy conversion efficiency.

This invention relates to a modular sensing, communication, and analytics platform. The platform includes a modular device network having a communication module, a main module, and at least one modular device, where the communication module, the main module, and the at least one modular device use acoustic signals, visual signals, light signals, and / or radio frequency to establish a communication link between the communication module, the main module, and the at least one modular device.

The present invention relates to a heaving plate wave energy power generation buoy with a variable cross-sectional area of a water column and a method thereof, belonging to the technical field of wave energy power generation buoys. It includes a buoy body, an air turbine is installed in the air outlet hole at the top of the buoy body, a central pipe located directly below the air outlet hole is arranged at the center of the bottom of the buoy body, a water column cavity communicating with the air outlet hole is formed between the outer side wall of the central pipe and the inner side wall of the buoy body, a heaving plate is fixedly connected to the bottom end of the central pipe, a plurality of uniformly distributed horizontal guide rails are fixedly connected between the upper outer side wall of the central pipe and the middle inner side wall of the buoy body, a telescopic partition plate assembly that divides the water column cavity into an outer water column cavity and an inner water column cavity is slidably installed on the plurality of horizontal guide rails, and a synchronous telescopic driving mechanism for driving the telescopic partition plate assembly to move along the horizontal guide rails is fixed at one end of the horizontal guide rail. The present invention can change the cross-sectional area ratio of the outer water column cavity and the inner water column cavity according to sea conditions, and obtain the optimal wave energy conversion efficiency.

The invention relates to a pneumatic cable throwing device applied to an underwater vehicle and a cable throwing method. The cable throwing device comprises a buoy, a gas cylinder, a shell, a cable, a release cavity, a base and a compressed air storage cavity. A buoy, a gas cylinder and a base are sequentially installed in an inner cavity of the shell from top to bottom, the bottom of the buoy and the top of the gas cylinder form a closed release cavity, a compressed air storage cavity is formed in the gas cylinder, the cable is arranged between the inner surface of the shell and the outer surface of the gas cylinder, one end of the cable is fixedly connected with the buoy, and the other end of the cable is fixedly connected with the base. Compressed air is stored in the compressed air storage cavity before the device works, the compressed air enters the release cavity and generates thrust on the buoy during working, the buoy drives the mooring rope to be ejected and thrown out, and the buoy floats on the water surface at a long distance. The cable throwing device has the advantages of being high in integration degree, stable in function, long in cable throwing distance, high in safety, wide in application range and the like, and the recycling requirement of the underwater vehicle under the complex sea condition can be well met.

The invention relates to the technical field of bridge pier scour monitoring, discloses an air-water-shore cooperative overwater float type bridge pier scour monitoring system, and belongs to the technical field of bridge safety monitoring. According to the system, an integrated framework is formed by a buoy platform, a shore-based cooperative monitoring station and a cloud monitoring platform. The buoy platform is fixed to a pier through a mooring lead, the underwater sonar module of the buoy platform can scan the terrain of a riverbed at multiple angles, and the overwater module integrates high-precision positioning and video monitoring. The shore-based station is provided with a laser scanner and a high-definition camera to monitor the overwater structure and the macroscopic environment of the pier. The cloud platform serves as a control center, converges the multi-source data of the buoys and the shore stations through a communication network, carries out time sequence correlation and fusion analysis, and dynamically evaluates the scour pit development and the bridge pier structure state. According to the invention, the limitation of a single monitoring mode is broken through, collaborative acquisition and intelligent fusion of air, water and shore data are realized, the comprehensiveness, accuracy and early warning capability of monitoring are remarkably improved, and reliable guarantee is provided for safe operation of bridges.

The invention discloses a floating type riverway water quality detector for municipal environment monitoring, and belongs to the technical field of water quality detectors, the floating type riverway water quality detector comprises a floating body floating in a riverway, the lower end of the floating body is fixedly provided with a fixing cylinder for sampling, the inner side of the floating body is fixedly provided with a partition plate, and the partition plate is provided with a detection module; a drainage pipe is rotationally connected to the center of the rotating seat, a sample tank for collecting samples and a water outlet pipe for discharging washing water are mounted on the partition plate, a water inlet groove is formed in the lower end of the fixing cylinder, a purification assembly is mounted on the inner side of the water inlet groove, and meanwhile an elastic rubber sheet is mounted at the upper end of the water inlet groove. The floating type river water quality detector for municipal environment monitoring can conveniently collect and store a water sample in the detection process, and can flush a pipeline by using a purified water body after single detection, so that the subsequent detection precision is ensured.

The invention discloses a water conservancy quality detection device which comprises a floating platform, the top of the floating platform is fixedly provided with a quality detection assembly, the top of the floating platform is fixedly provided with a water pumping assembly, and the top of the floating platform is fixedly provided with a water collection and drainage assembly. The device comprises a floating platform, the top of the floating platform is fixedly provided with a data acquisition box, a driving power supply, a sensor and a protective cover, and the top of the floating platform is fixedly provided with the driving power supply, the sensor and the protective cover. According to the detection device for the water conservancy quality, by arranging the quality detection assembly, multiple key parameters of a water body can be detected at the same time, sufficient data basis is provided for water resource management, ecological protection and the like, the position of a water pumping pipe can be flexibly adjusted, detection of water bodies of different depths is achieved, and it is ensured that evaluation of the water conservancy quality is more accurate and objective; by arranging a protective cover, the service life of equipment is prolonged, the maintenance cost is reduced, and the accuracy of detection data is improved.

The invention relates to the technical field of monitoring equipment, in particular to a hydrology and water resource automatic monitoring system and method.The hydrology and water resource automatic monitoring system comprises a floating module, a monitoring module and a regulation and control module, and when hydrology data monitoring needs to be conducted on a water area with the high flow speed, the overall length of a connecting module is adjusted according to the water depth; the monitoring module can reach the specified depth when the floating module floats on the water surface, the monitoring module monitors hydrological data of water at the specified depth, the regulation and control module is provided with a first regulation and control assembly and a second regulation and control assembly, the first regulation and control assembly is used for stabilizing the state of the monitoring module when water flow impacts the monitoring module, and the second regulation and control assembly is used for stabilizing the state of the monitoring module when water flow impacts the monitoring module. The probability that the monitoring module shakes is avoided, and then the probability that the floating module overturns is avoided; and the second regulation and control assembly is used for prolonging the contact duration of the water at the specified depth and the monitoring module, so that the interference of the water flow on the monitoring module is reduced, and the hydrological data monitoring accuracy of the monitoring module is improved.

The invention relates to the technical field of beacon lights, in particular to a beacon light capable of being installed through an unmanned aerial vehicle and the unmanned aerial vehicle. The beacon light comprises a beacon light body, a power module is fixed in the beacon light body, and a mounting groove is formed in the lower end of the beacon light body; a mounting groove is formed in the lower end of the beacon light body, a plurality of electromagnetic bolts which are distributed along the mounting groove in an annular array mode are arranged in the lower end of the beacon light body, a conical top base is fixed to the upper end of the beacon light body, and a magnetic switch is fixed in the conical top base and connected to a circuit between the power module and the electromagnetic bolts in series. The beneficial effects are that the unmanned aerial vehicle is utilized to realize automatic replacement of the beacon light device, an operator can perform remote operation without arriving at a site, the efficiency is high, manpower and material resources are saved, the operation safety is high, and the unmanned aerial vehicle has very high use value and popularization significance.

The invention discloses an energy management method and device of an ocean buoy system, electronic equipment and a medium. The method comprises the following steps: acquiring environment prediction data in a future preset duration; the environment prediction data at least comprises illumination intensity, environment temperature and wind speed; according to the environment prediction data, predicting a net power output time sequence and an energy storage time sequence of energy supply equipment in the ocean buoy system within a preset duration; the net power output is power output which can be stored by energy storage equipment; and performing energy management on each terminal device in the ocean buoy system according to the net power output time sequence and the energy storage time sequence. Therefore, the function and the energy storage condition of the ocean buoy system are predicted through the future environment prediction data, so that energy management is carried out on the terminal equipment according to the prediction result when electric energy cannot be supplemented in time in the future weather environment, and it is ensured that the equipment meets operation and data requirements; and the adaptability and predictability of the ocean buoy system to complex ocean environment changes are enhanced.

The invention relates to the technical field of marine environment monitoring, in particular to an exchange area sea area three-dimensional collaborative observation system based on submerged buoys, which comprises a data acquisition module, an instruction generation module, a buoy dynamic response module and a space-time alignment and fusion module. The method comprises the following steps: acquiring original water observation data in multiple depth layers through a subsurface buoy system, and constructing a structured feature data set; identifying an ocean abnormal phenomenon based on the abnormal detection model and generating a trigger instruction; the buoy system analyzes the instruction and then drives the lifting mechanism to be accurately positioned to a target depth layer, and multi-sensor synchronous acquisition is executed according to a matched observation mode; and the fusion module adopts time calibration and a Kriging interpolation algorithm to realize three-dimensional data reconstruction, and outputs a space-time synchronous three-dimensional data set. The method has the characteristics of intelligent recognition, dynamic response, multi-parameter fusion and the like, the capture precision and observation efficiency of the complex process of the exchange area are improved, and technical support is provided for ocean dynamic process research and ecological monitoring.

According to the present invention, a communication environment with an external communication device or an Internet line is provided to an underwater device existing in an underwater area, and position information or information used for calculating position information is provided to an underwater object. 【Solution means】In a communication system, a general control system includes a system information acquisition unit that acquires information regarding an underwater communication system that provides an environment capable of communicating with an Internet line or the like to an underwater object existing in water, at least one unmanned boat that is capable of navigating on the water and is provided with a communication unit capable of communicating with at least one of the underwater object and the underwater communication system, a communication path determination unit that determines a relay communication path of a communication line for relaying the underwater object to the Internet line using the unmanned boat and the underwater communication system based on the information acquired by the system information acquisition unit, and an unmanned boat control command determination unit that determines a control command for the unmanned boat for configuring the relay communication path based on the determined relay communication path.

The invention discloses a marine environment monitoring instrument, and belongs to the technical field of marine monitoring instruments, and the marine environment monitoring instrument comprises a buoy main body which is used for providing buoyancy to enable the monitoring instrument to suspend on the sea surface; the undersea monitoring mechanism is arranged below the buoy main body and is used for monitoring the marine environment; the reciprocating sliding table mechanism is arranged between the buoy main body and the undersea monitoring mechanism and comprises a sliding table capable of reciprocating in the vertical direction; the cleaning mechanism is arranged on the sliding table, surrounds the periphery of the undersea monitoring mechanism and is used for cleaning the outer surface of the undersea monitoring mechanism when the sliding table reciprocates; the reciprocating driving mechanism is arranged between the buoy body and the reciprocating sliding table mechanism and used for driving the sliding table to reciprocate in the vertical direction. The surface cleaning device can be used for regularly cleaning the peripheral surface of the monitoring instrument.

The present application relates to a floating marine meteorological and hydrological monitoring device, comprising a floating body assembly; a central buoy assembly arranged in the floating body assembly; and a counterweight arranged below the central buoy assembly, wherein the counterweight is connected to the central buoy assembly by means of a plurality of columns, and side walls are arranged between the plurality of columns.

The application discloses a floating monitoring system for water quality monitoring. The disclosed floating monitoring system comprises a hollow floating body, a first through hole is formed in the edge of the floating body for applying a pulling force to move the floating monitoring system to a preset position; a monitoring device is arranged in the middle of the floating body, the monitoring device comprises a shell, a base and a camera, the shell and the base enclose a mounting space, the camera is arranged in the mounting space, and the base is arranged on the floating body; a photovoltaic assembly is arranged on the upper surface of the floating body and surrounds the monitoring device, the photovoltaic assembly is arranged upwardly in a direction extending from the edge of the floating body to the central axis of the floating body; a sensor assembly comprising a sensor; a first protrusion is protruded on the floating body, the first protrusion can be immersed in water, the value of A*La-B*Lb is a first value, when the first value is positive, the first protrusion is arranged close to the sensor assembly, and when the first value is negative, the first protrusion is arranged close to the battery.

The utility model belongs to the technical field of navigation marks, and particularly relates to a navigation mark capable of resisting multiple waves. The navigation mark comprises an upper fixing plate, a wave impact resisting structure, a damping system, a connecting shaft, a floating ball, a lower fixing plate, an adjustable anchoring cable and a fixing object. The upper part of the upper fixing plate is connected with the navigation mark body; the two ends of the wave impact resisting structure are connected with the upper fixing plate and the lower fixing plate correspondingly. The damping system is located in the wave impact resisting structure. The upper fixing plate and the lower fixing plate are X-shaped, and the floating ball is arranged between the X-shaped ends of the upper fixing plate and the lower fixing plate; the connecting shaft penetrates through the floating ball, and the two ends of the connecting shaft are connected with the tail ends of the X-shaped structures of the upper fixing plate and the lower fixing plate. The adjustable anchoring cable is connected with the lower fixing plate; and the lower part of the adjustable anchoring cable is connected with a fixture. Energy generated by multiple waves is effectively absorbed and dissipated, shaking of the navigation mark due to the action of the waves is reduced, and vibration is prevented from being directly transmitted to the navigation mark body.

The utility model belongs to the technical field of overwater monitoring equipment, and particularly relates to a positioning buoy capable of automatically adjusting the laying depth of a hydrophone array. The utility model provides a positioning buoy capable of automatically adjusting the laying depth of a hydrophone array. The positioning buoy comprises a depth sensor, a cable assembly and a communication assembly. When the laying depth of the hydrophone array needs to be adjusted, the controller firstly reads a measurement value of the depth sensor. And if the measured value does not accord with the preset target depth, the controller sends an instruction to the motor, so that the motor rotates the cable roller by a certain angle according to the preset direction, and the deeper cable is released or withdrawn. And the depth of the hydrophone array connected with the deeper cable is changed along with the change of the length of the deeper cable. By adjusting the depth of the hydrophone array, the positioning buoy can be suitable for wide-range underwater acoustic passive monitoring work, and is particularly suitable for being matched with a detected acoustic target which actively produces sound, such as an underwater vehicle on which an acoustic beacon is hung, so that an underwater positioning system is formed.

The invention belongs to the technical field of multi-parameter monitoring, and particularly relates to a multi-parameter online full-automatic intelligent water quality monitoring device and method. Comprising an annular floating block and a sensor. An unwinding adjusting mechanism is arranged on the annular floating block; the unwinding adjusting mechanism comprises a solar panel; the solar panel is fixedly mounted at the top of the annular floating block; a winding roller is installed in a hollow area of the annular floating block, a cable is wound on the winding roller, a positioning square base is connected to the end point of the cable, a balance weight round block is installed at the bottom of the positioning square base, and a rotation position flow storage device is arranged on the balance weight round block; a cavity is formed in the counterweight round block, and a driving motor is arranged in the cavity; a clamping stopping unit is further arranged on the counterweight round block; the measuring environment of the sensor is improved through the rotation current storage device, so that distortion of data measured by the sensor and deviation of a measuring result are avoided, the accuracy and the monitoring effect of a monitoring result of the device are improved, and the limitation of the device in use is reduced.

The invention discloses a floating type water quality monitor for water conservancy environment monitoring. A shaft body of an adjusting assembly is provided with a first sweeping assembly used for scraping the upper end and the lower end of a protection assembly; a second sweeping assembly used for scraping the inner wall of the protection assembly is arranged in the first sweeping assembly. A third sweeping assembly used for scraping the outer wall of the protection assembly is arranged at the bottom end of the adjusting assembly. In this way, the storage roller is driven to rotate through the hand wheel, and therefore the steel wire rope stored on the storage roller can put the fixing block into the water bottom along the long groove in the supporting plate; the floating seat can be fixed; when the pair of rotating shafts of the motor rotates, the transmission shaft can synchronously rotate along with the rotating shafts; therefore, the first fixing ring can conduct circular motion around the transmission shaft, and the cleaning brush is driven to clean the upper end and the lower end of the cavity of the isolation hood. Meanwhile, a first scraping plate can be driven to scrape the inner wall of the isolation hood; and meanwhile, the second scraping plate can be driven to scrape the outer wall of the isolation hood.

The invention relates to a seabed observational network node and method for ocean profile measurement. The seabed observational network node comprises a base part; a lower fixing part is arranged below the base part; a floating body part is arranged above the base part; a measuring host is arranged in the floating body part; the measuring host is electrically connected with a measuring sensor and a communication machine A; a cable part, a main control system, an underwater winch and a communication machine B are arranged in the base part; the mooring rope part penetrates through the base part and is connected with the floating body part; the underwater winch is connected with the cable part; the device is reasonable in design, compact in structure and convenient to use.

An LED illuminated buoy system is disclosed, designed to enhance maritime safety and visibility. The system includes a weighted base with a conical shape for stability and a semi-translucent flotation part that extends above the waterline. The buoy houses an LED light source within the base, programmable for various colors and patterns. A sealing connection between the base and flotation part prevents water ingress. The system also features a communication interface for data transmission and remote operation. The buoy can be anchored securely and is adaptable for use as a lamp on land. The system's design allows for easy assembly and maintenance, with environmental resistance features integrated for durability. The buoy serves as a navigational aid, safety marker, and versatile lighting solution in aquatic environments.

The utility model relates to the technical field of water quality monitoring, in particular to a water environment monitoring buoy structure which comprises a floating seat and an adjusting assembly, the adjusting assembly is arranged in the floating seat and comprises a connecting groove, the connecting groove is formed in the bottom of the floating seat, and a protective shell is fixedly connected to the interior of the floating seat. A first through hole is formed in one side of the protective shell, and a first rotary sealing ring is fixedly connected into the first through hole. According to the water environment monitoring buoy structure, when the buoy structure is used, a motor can drive a rotating rod to rotate through matched rotation among a rotating sealing ring I, a rotating rod and a connecting seat, so that the rotating rod drives a connecting wire to pay off, and a water quality detector can monitor water quality at different depths; and meanwhile, the interior of the device can be sealed through a first rotary sealing ring and a second rotary sealing ring, water is prevented from permeating, and components in the device are protected against damage.

The invention provides a water-gas interface gas collecting device and a monitoring method, and the collecting device comprises a floating part which is constructed to be annular and floats on a liquid surface; the framework extends upwards from the floating part; the membrane structure is arranged on the framework and is suitable for enclosing a flux box with a top opening with the framework part and the floating part; the zero gas supply unit is suitable for supplying zero gas to a water-gas interface positioned in the flux box, so that to-be-detected gas from the water-gas interface moves upwards; and the collection unit is arranged at the upper part of the flux box and is suitable for collecting mixed gas containing zero gas and gas to be detected.

The invention discloses a novel wave-driven drifting buoy, and belongs to the field of wave energy utilization of an ocean new energy power generation technology. The drifting buoy comprises a spherical floating body assembly, a harvesting energy power generation device, an electric power storage assembly and a data collecting and monitoring system, the harvesting energy power generation device, the electric power storage assembly and the data collecting and monitoring system are installed in the floating body assembly, the floating body assembly is sealed and floats on the water surface, and the harvesting energy power generation device can efficiently convert six-degree-of-freedom motion generated by the floating body assembly under the action of wave energy into electric energy; the electric power storage assembly is used for storing electric energy of the harvesting energy power generation device and supplying the electric energy to external electric equipment, and the data acquisition monitoring system is used for monitoring and positioning the movement of the drifting buoy and feeding monitoring data and positioning information back to the control end. The drifting buoy solves the problems that an existing wave energy power generation device is insufficient in power generation capacity, large in voltage fluctuation range and insufficient in survivability under complex sea conditions due to high direction sensitivity and narrow-band response limitation, and reliability is reduced due to wave impact and salt spray corrosion.

The invention relates to the technical field of hydrological survey, in particular to an intelligent survey buoy for the sand content of water resources and a survey method thereof.The intelligent survey buoy comprises a buoy body, a filtering assembly, a floating body and a gravity center adjusting assembly. The buoy body is of a hollow tubular structure, and a tubular cavity is axially divided into more than one filtering cavity; the filter plate divides the filter cavity into a water inlet cavity and a water outlet cavity; the pressure sensor is arranged at the lower end of the filter plate; the gravity center adjusting assembly adjusts the gravity center of the buoy body. A water inlet and a water outlet are formed in the opposite side walls of the buoy body respectively. The buoy is placed in a water area to be measured, at the moment, under guiding of the guiding assembly, the water inlet directly faces the water flow direction, the filter plate filters water resources entering the filter cavity through the water inlet and discharges the filtered water resources from the water outlet, and the pressure sensor can detect the amount and quality of sand located on the filter plate; meanwhile, the distance sensor and the angle sensor can promote the buoy body to stably suspend in a measured water area, so that the accuracy of a detection result is ensured.

The invention discloses a lifting type underwater water quality measuring device, which belongs to the technical field of water quality monitoring equipment and comprises a floating mechanism, a cleaning mechanism, a winding machine, a lifting frame body, an isolation bin mechanism and a measuring integrated cylinder. The floating mechanism bears the whole floating on the water surface and can be dragged to move along with the ship to achieve rapid transition. The winding machine controls the lifting frame body through the traction rope to drive the measurement integration cylinder to move vertically, and continuous collection of different depth parameters of the water body is achieved. The isolation bin mechanism is a bin body with a downward opening formed by closing two half shells, and a measurement integration cylinder is accommodated in the isolation bin mechanism; a water-gas dual-purpose pump of the cleaning mechanism injects gas into the closed cabin body to empty accumulated water so as to expose the probe, and then sprays water flow to wash attachments on the surface of the probe. The device solves the problems of poor mobility, low profile measurement efficiency and data misalignment caused by probe biological pollution of the existing equipment, and has the capabilities of flexible transition, efficient layered monitoring and reliable in-situ self-cleaning.