132 results about "Sea mark" patented technology

The invention provides a marine ranch water quality management method and system, electronic equipment and a storage medium, and the method comprises the steps that a water quality monitoring device, an edge computing terminal and a water quality adjusting device are arranged on a navigation mark in a marine ranch in advance, and the edge computing terminal obtains water quality parameter data of the marine ranch at a plurality of continuous moments; the water quality parameter data is collected through a water quality monitoring device, and if the water quality parameter predicted value exceeds a preset water quality normal range, a target adjusting amount is determined based on the water quality parameter predicted value; the water quality adjusting device adjusts the water quality according to the target adjusting quantity; near-end water quality prediction and water quality deterioration accident treatment can be completed at the navigation mark, the defect that water quality data cannot be monitored in real time and water quality deterioration accidents cannot be treated in time due to the fact that the time interval of Beidou satellite data transmission is long is overcome, and ecological risks and economic losses are effectively reduced.

The invention provides a floating navigation mark anchorage positioning method and system, and relates to the technical field of floating navigation mark anchorage detection, and the method comprises the steps: transmitting a first wave beam to an underwater object through a sonar device, screening out a first echo of the underwater object which is an anchorage, and obtaining a target echo; acquiring a ship position; the sonar equipment transmits a second wave beam to the ship; a second distance and a second angle between the sonar equipment and the ship are determined firstly, and then the real-time position of the sonar equipment is determined; then determining a first distance and a first angle between the mooring ingot and the sonar equipment; based on the real-time position of the sonar equipment, the first distance and the first angle, determining the current position of the mooring ingot; and finally, generating an adjustment path based on the current position and the design position of the tied ingot. And the echo corresponding to the concrete anchor is screened out as the target echo, so that the interference of irrelevant objects is eliminated. A sonar detection principle and an algorithm are used to calculate the specific position of the mooring anchor underwater. And by comparing the current position and the design position of the tied ingot, the deviation condition is known, and correction is facilitated.

The invention belongs to the technical field of water traffic transportation safety and navigation mark navigation aiding, and mainly relates to a navigation mark anti-collision early warning method based on multi-sensor fusion, and the method comprises the steps: constructing a multi-sensor fusion architecture integrating an AIS terminal, a laser radar and an AI camera, and achieving the omnibearing monitoring and precise recognition of a ship in a navigation channel; a grading response mechanism is adopted, corresponding functions are dynamically started according to the real-time distance between the ship and the navigation mark, and targeted response from early warning to emergency warning is achieved; a legal evidence chain packaging mechanism is introduced, a unique ID is generated for each early warning event, formatted evidence is stored in an associated mode, and integrity and traceability of data are ensured; through a dynamic energy supply strategy, an equipment operation mode is intelligently adjusted according to a storage battery voltage threshold value, and continuous and stable work of the system under the conditions of cloudy and rainy days, night and the like is guaranteed; according to the invention, the accuracy, timeliness and reliability of navigation mark collision early warning information are effectively improved.

The invention discloses an automatic verification method and system for a topological relation of ocean charting data, and relates to the technical field of charting verification, and the method comprises the steps: obtaining a chart vector element, splitting a broken line into a line segment unit according to a node, splitting a surface domain into a ring domain unit according to an outer ring and an inner hole, and extracting a control point; constructing fractal spectrums for the line segment units based on a multi-resolution box dimension method, comparing the fractal spectrums with normal spectrums, and marking complexity abnormal sections; constructing a polymorphic behavior matrix according to predefined geometric expectation and semantic rules, analyzing conflicts, and identifying topology anomalies; a tide level field is obtained, a coupling constraint field is constructed in combination with equal-depth closed loop hierarchical nesting, and tide depth coupling abnormity of a channel boundary and a closed loop is verified; a lighthouse, a navigation mark and a tide level station control point are screened, and connectivity abnormity is verified according to a semantic rule; and summarizing to generate a verification report. Fractal analysis, a semantic matrix, isodepth coupling and a communication rule are combined, break point errors are accurately distinguished, topological anomaly is detected in a fusion mode, and the time-space consistency of a sea chart and the connectivity of control points are guaranteed.

The invention discloses a marine navigation mark intelligent maintenance robot based on a ship and a self-adaptive operation method of the marine navigation mark intelligent maintenance robot, and belongs to the field of marine navigation mark maintenance. The marine navigation mark intelligent maintenance robot based on the ship comprises a base and a second telescopic arm, and further comprises a rotating disc rotationally connected to the end of the second telescopic arm, a driving motor is fixedly connected to the rotating disc, the output end of the driving motor is fixedly connected with a rotating shaft, and a rotating mechanism is arranged between the second telescopic arm and the rotating shaft; the second telescopic arm is used for driving the rotating disc to rotate; the sliding rails are evenly and fixedly connected to the rotating disc, clamping claws are arranged on the sides, away from the second telescopic arm, of the sliding rails, and a clamping mechanism is arranged between the sliding rails and the rotating shaft and used for driving the clamping claws to move along the sliding rails; the detection probe is fixedly connected to the turntable and is used for detecting the appearance of the beacon light and the position of the fixing bolt; the problems that when equipment on the buoy is maintained, potential safety hazards are large, the maintenance efficiency is low, and the maintenance difficulty is large can be solved.

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 invention provides an intelligent monitoring and early warning system based on a marine navigation mark, and relates to the technical field of monitoring and early warning, and the system comprises a navigation mark data collection module which is used for obtaining various data according to a preset navigation mark monitoring interval. And the risk assessment module is used for obtaining a position offset risk value according to the influence of the interference factor data on the navigation mark position. And the deviation early warning module is used for setting a position deviation threshold value according to the historical pose data in combination with the external factor data, judging whether the position deviation risk value of each navigation mark exceeds the position deviation threshold value or not, and generating a preliminary early warning signal if the position deviation risk value of each navigation mark exceeds the position deviation threshold value. And the ship influence early warning module is used for calculating a ship navigation influence coefficient according to the navigation data of the surrounding ship sending the preliminary early warning signal navigation mark in combination with the real-time position parameter, and generating early warning information in combination with the position offset risk value. The navigation mark monitoring precision is improved, the early warning timeliness is enhanced, the operation and maintenance cost is reduced, and the method can automatically adapt to different environments and scenes.

The invention discloses a navigation aid information real-time transmission and analysis system based on a navigation mark, and relates to the field of navigation mark telemetering, the system is composed of a plurality of functional modules, and the system comprises a data acquisition module for acquiring dynamic data, meteorological data and hydrological data of ships near the navigation mark; the edge calculation module is used for generating a ship real-time track according to the ship dynamic data, obtaining a ship prediction track based on the ship real-time track and the hydrological data, and calculating a deviation degree based on a preset ship channel and the ship prediction track; the risk prediction module carries out risk analysis on the deviation degree according to meteorological data and carries out route adjustment according to a risk analysis result, and the route adjustment module generates an optimized route by applying an A * algorithm and considering ship dynamic constraint and channel limitation and then sends an instruction in time through the VHF radio module, so that risks of ship deviation from a channel, collision and the like are effectively avoided; the safety of sailors, ships and goods is greatly guaranteed.

The invention provides a multi-sensor integrated marine navigation mark data transmission method and system, and relates to the technical field of data transmission, and the method comprises the steps: pre-arranging a plurality of distributed monitoring nodes in a marine navigation mark data collection box, and carrying out the cascade topology connection with a plurality of marine environment modal sensors through an isolated serial bus; in a polling return process of mapping acquired data by taking a plurality of reference return periods as constraints, performing return data chaos monitoring based on a plurality of dynamic self-adaptive baselines, and outputting a plurality of spectrum disturbance vectors; performing shrinkage compensation to obtain a plurality of update return periods; and executing asynchronous priority arbitration return to the remote Internet of Things service platform. According to the method, the technical problem that the confidence coefficient of the marine navigation mark data is reduced due to the fact that the marine navigation mark data transmission method in the prior art usually uses a fixed return period and cannot effectively cope with the dynamic change of the marine environment is solved.

The invention, which relates to the edge computing field, discloses an inland ship overwater intelligent navigation aid and navigation information service system comprising: a system integration multi-source sensor for fusing and processing hydro meteorology and obstacle data under low visibility; the side cloud collaboration module processes real-time and global information in a labor division manner, analyzes a rule and optimizes a route; the channel modeling module constructs a real-time three-dimensional channel, and plans and dynamically adjusts an optimal path; the virtual navigation mark module dynamically deploys and manages navigation marks through AIS / Beidou; the information pushing module provides dynamic and static navigation data as required; the risk early warning module realizes graded warning and emergency linkage; the ship-shore cooperation module performs remote monitoring scheduling and channel analysis; the inland river adaptation module ensures that system parameters and algorithms are automatically matched with different river environments and rules. The method has the advantages that the multi-class perception and side cloud cooperation technology is fused, accurate navigation aiding, dynamic risk management and control and ship-shore efficient cooperation of the inland waterway are achieved, and intelligent upgrading of inland navigation is enabled in an all-around mode.

The invention discloses an intelligent navigation mark and ecological environment cooperative monitoring system for an offshore wind power area, and relates to the technical field of offshore monitoring, the system comprises a plurality of intelligent navigation mark nodes deployed in an offshore wind power plant, at least one gateway node and a monitoring center, the intelligent navigation mark nodes integrate a plurality of monitoring and communication modules, the system maintains a virtual resource map through a gateway node or a specified node, and records information such as a node geographic position, link quality, residual energy and a dynamic role; the intelligent navigation mark nodes periodically broadcast heartbeat packets and dynamically switch roles, an optimal data transmission path tree is initially constructed, and local network reconstruction is started when the nodes fail or links are interrupted; according to the invention, the adaptability and the anti-damage and disaster-tolerant capability of the network are improved, the cooperative monitoring of the navigation safety and the ecological environment is realized, and the reliable transmission of key data is ensured.

The invention provides a navigation mark monitoring data processing method and a navigation mark monitoring data processing system for ship water pollutant discharge, which are applied to the technical field of sewage discharge, and are used for obtaining readings of various types of water quality sensors on navigation marks in real time and calculating the change rate of the readings in a preset monitoring time period. And intelligent judgment is carried out according to a combination mode of reading change rates of different sensors. The method can intelligently distinguish the fault of the sensor from the actual water pollution, and significantly improves the accuracy of the monitoring data and the reliability of pollution event identification, thereby avoiding the wrong attribution of the pollution responsibility, and providing a more accurate and more reliable monitoring means for the water environment protection.

The invention belongs to the technical field of navigation safety analysis, and particularly discloses an intelligent navigation mark and AIS (Automatic Identification System) data collaborative navigation safety improvement method, which comprises the following steps: acquiring a navigation channel image through a navigation mark visual sensor, preprocessing the navigation channel image, and generating an initial detection frame through multi-scale detection; an NMS threshold value is dynamically configured according to the physical size of the ship, and a final detection frame with a physical size label is output; extracting ship visual feature vectors, distributing feature updating strategies for multiple ships according to physical sizes, predicting positions through historical tracks when the ships move out of a visual field, and triggering re-identification; and finally, a visual tracking result and real-time AIS data are fused, and a channel risk early warning and navigation strategy is generated. According to the method, the problems of missing of a front-end sensing layer, missing detection caused by the fact that an NMS mechanism is not involved, shielding of target re-identification design and re-identification trigger logic blank and the like in the prior art are solved in a targeted manner, and the accuracy and reliability of navigation safety guarantee are comprehensively improved.

The construction method of the interactive real-scene three-dimensional waterway belongs to the field of waterway management. It conducts real-scene simulation of inland waterways based on digital twin technology, realizes real-time display of digital waterways, and thus achieves the purpose of viewing waterborne target information such as ships and navigation aids through interaction. The construction method of the interactive real-scene three-dimensional waterway belongs to the field of waterway management. It conducts real-scene simulation of inland waterways based on digital twin technology, realizes real-time display of digital waterways, achieves the purpose of viewing waterborne target information such as ships and navigation aids through interaction, solves the problems of lack of scene authenticity and interactivity existing in the existing construction methods of three-dimensional waterways, and meets the needs of waterway management.

The application relates to the technical field of navigation mark equipment, in particular to an adjustable anchor chain type navigation mark based on buoyancy and a gyration radius adjusting method. The adjustable anchor chain type navigation mark comprises a navigation mark body, a rope and a sinkstone. The upper end of the rope is connected with the navigation mark body, the lower end of the rope is connected with a contraction float after being wound around a fixed pulley arranged on the sinkstone. The contraction float comprises a wear-resistant sleeve and a float assembly fixed on the side wall of the wear-resistant sleeve. The wear-resistant sleeve is arranged on the rope between the navigation mark body and the fixed pulley. The lower end of the rope is fixedly connected with the wear-resistant sleeve after being wound around the fixed pulley. The gyration radius of the navigation mark body can be adjusted through the pulling of the rope by the contraction float.

The present application relates to inland waterway inspection method, system and storage medium, including navigation mark detection and water level detection, navigation mark detection includes: step 11. Data acquisition;Step 12. Navigation mark identification;Step 13. Navigation mark positioning;Step 14. The real coordinates of navigation mark are inquired in the preset navigation mark data table, if the real coordinates of navigation mark have corresponding navigation mark in the preset navigation mark data table, then the current position information of the navigation mark is recorded;Step 15. Corresponding detection report is generated;Water level detection includes: step 21. Image acquisition;Step 22. Obtain the water gauge position image;Step 23. The water gauge position image is filtered, smoothed and denoised;Step 24. The water gauge scale and the image information with similar RGB values are extracted by setting threshold, and the scale is extracted by character extraction method, and the final water level information is obtained.The present application can automatically judge whether the navigation mark is damaged, the position is deviated, whether there is missing condition and water level.

The floating navigation mark for the inland waterway comprises a navigation mark body, a bottom plate is fixedly installed at the bottom end of the navigation mark body, a plurality of floating plates are arranged on the periphery of the bottom end of the bottom plate, a first outer ring and a second outer ring are fixedly installed at the two ends of each floating plate respectively, and rotating shafts are rotationally connected to the inner side walls of the first outer rings and the inner side walls of the second outer rings. The solar navigation mark has the advantages that the arranged navigation mark body can play a marking role in the daytime, the floating plates are unfolded through the pulling rope, the solar panels on the floating plates can be kept floating upwards, the solar panels on the floating plates can be kept floating upwards, the solar panels on the floating plates can be unfolded through the pulling rope, and the solar panels on the floating plates can be unfolded through the pulling rope. According to the floating navigation mark, electric energy can be collected through the solar panel, in the night state, the floating plate can be folded upwards to be attached to the outer side of the navigation mark body again through the effect of the pulling rope, the light-emitting lamp panel is powered through the solar panel, and then the prompting effect of the floating navigation mark at night is improved.

This invention relates to the technical field of water level information monitoring based on navigation aids, and discloses a method and device for water level information monitoring based on multi-intelligent sensor fusion of navigation aids. The method includes: using preprocessed multi-sensor data to perform a correction estimate of water depth based on a correction term to obtain the corrected water depth; performing position matching analysis between the location of the navigation aid vessel and its reference coordinates, and determining whether the location of the navigation aid vessel meets navigation standards based on the water depth; if the location of the navigation aid vessel does not meet navigation standards, generating an optimal adjustment path to drive the navigation aid vessel to the recommended location. This invention utilizes flow velocity, temperature, and attitude angle to construct a correction term, improving the accuracy of water depth estimation. It combines BeiDou position information with reference coordinates to determine whether the navigation aid vessel deviates from navigation standards. Once deviated, path planning drives the navigation aid vessel to adjust its position, achieving integrated water level monitoring and navigation aid management.

This invention relates to the field of navigation aid equipment technology, specifically to an adjustable anchor chain navigation aid based on buoyancy and a method for adjusting its turning radius. The adjustable anchor chain navigation aid includes a navigation aid body, a rope, and a boulder. The upper end of the rope is connected to the navigation aid body, and the lower end passes over a fixed pulley on the boulder and is connected to a retractable float. The retractable float includes a wear-resistant sleeve and a float assembly fixed to the side wall of the wear-resistant sleeve. The wear-resistant sleeve is fitted onto the rope between the navigation aid body and the fixed pulley. The lower end of the rope passes over the fixed pulley and is fixed to the wear-resistant sleeve. The turning radius of the navigation aid body can be adjusted by pulling the rope with the retractable float.

This application relates to a steel-hulled marker vessel, belonging to the field of navigational aid technology. It includes a hull, a cable, an anchor, a guide clamp, and a towing assembly. The cable is mounted on the hull, the anchor is mounted on the cable, the guide clamp is mounted on the hull and used to scrape away debris from the cable during retraction, and the towing assembly is mounted on the hull and used to wind up the cable. This application eliminates the need for manual cleaning of debris from the cable, improving the time-consuming, labor-intensive, and unsafe process of cleaning debris from the cable of a marker vessel.

The utility model provides a multifunctional port navigation mark, which relates to the technical field of navigation and comprises an anchoring system, a floating body, a mark body, a lighting system, a control system and a power supply system. The floating body comprises a cylindrical buoy, the interior of the buoy is of a cavity structure, and a ballast is placed at the bottom of the cavity of the buoy; the four sets of double-color LED lamp panels are arranged, the included angle between every two of the four sets of double-color LED lamp panels is 90 degrees, the four sets of double-color LED lamp panels face four different horizontal directions respectively, and therefore it is guaranteed that passing ships in all the directions can clearly see the four sets of double-color LED lamp panels. The double-color LED lamp panel has a function of emitting red or green light, and can realize a normally-on or burst flashing state according to a received instruction; the flashing frequency can be flexibly changed according to the received instruction, and clear information can be transmitted to passing ships by adjusting the color and frequency of the light; the problems that an indication signal of an existing navigation mark is single, and maritime information cannot be conveniently and accurately obtained by a sailoman are solved.

The application belongs to the technical field of navigation safety analysis, and specifically discloses an intelligent navigation mark and AIS data cooperative navigation safety improvement method, which comprises the following steps: collecting channel images through a navigation mark visual sensor and preprocessing, and generating an initial detection frame through multi-scale detection; dynamically configuring an NMS threshold value according to the physical size of a ship, and outputting a final detection frame with a physical size label; extracting a ship visual feature vector, assigning a feature update strategy to multiple ships according to the physical size, predicting the position through a historical trajectory when the ship moves out of the field of view, and triggering re-identification; and finally fusing the visual tracking result and real-time AIS data to generate a channel risk early warning and a navigation strategy. The application solves the problems of missing of a front-end perception layer, missing of an NMS mechanism leading to missed detection, design of a shielded target re-identification and blank of a re-identification triggering logic in the prior art, and comprehensively improves the accuracy and reliability of navigation safety guarantee.

The utility model discloses a 25-meter-level navigation mark boat for an inland river. The 25-meter-level navigation mark boat comprises a bottom cabin, a boat room and a front deck. A hydraulic crane, a hydraulic capstan and a hydraulic turnover platform are arranged on the foredeck, the hydraulic crane is arranged in the middle of the foredeck, the hydraulic capstan is arranged in front of the hydraulic crane, and the hydraulic turnover platform is arranged on one side of the foredeck; and the hydraulic crane, the hydraulic capstan and the hydraulic turnover platform share one set of hydraulic pump station. According to the utility model, the mechanization degree of navigation channel maintenance operation is improved, and compared with the conventional 25-meter-level navigation mark boat, the manual operation can be reduced, and the working efficiency is improved.

The application provides a navigation mark collision early warning method based on an artificial intelligence time sequence prediction algorithm, and comprises the following steps: determining a navigation mark rotation area according to navigation mark historical data, wherein the navigation mark historical data comprises navigation mark accident historical data and navigation mark historical latitude and longitude information; obtaining ship navigation track data to be measured; inputting the ship navigation track data to be measured into a constructed track prediction model to obtain track prediction data; judging whether the ship to be measured collides with a target navigation mark based on the navigation mark rotation area and the track prediction data; if yes, sending a navigation mark collision warning signal to the ship to be measured through an AIS base station and leaving the navigation mark rotation area. The application solves the problem of low prediction accuracy of ships and navigation marks in a target sea area in the prior art, which causes a large safety hazard.

The application discloses a low-cost, high-precision and high-reliability method for unmanned ship intelligent environment perception by fusing image segmentation and millimeter wave radar, which can acquire the environment information of the route and the surrounding of the unmanned ship in real time during the driving of the unmanned ship, including the shoreline, the sailing ship, the navigation mark and the floating object, and provide decision support for the real-time route adjustment and obstacle avoidance of the unmanned ship. The method comprises four parts of the millimeter wave radar, the binocular camera, the image segmentation module and the information fusion module, the image segmentation module is responsible for reading the image data, executing the image segmentation algorithm, identifying the target and generating the minimum fitting rectangle of the target, the information fusion module is responsible for receiving the data of the radar and the image segmentation module, acquiring the polar coordinates of the fusion target, matching the target size and outputting the result to the controller.

The application provides a kind of offshore buoy in-situ cleaning device, cleaning ship and cleaning method, belongs to the technical field of navigation mark cleaning, for solving the problem that the surface of buoy will gather bird droppings and other dirt, affecting the navigation function of buoy. Among them, the cleaning device covers and cleans the buoy from top to bottom, including connecting base, cleaning barrel and tightening rope; the cleaning barrel is rotatably connected to the lower side of the connecting base and can be driven to rotate by the driving mechanism; the cleaning barrel has no barrel bottom, the barrel shell is provided with first reinforcing structure and second reinforcing structure along the generatrix and circumferential direction respectively, the inner side of the barrel shell is provided with first cleaning structure, the bottom of the barrel shell is rotatably connected with barrel bottom ring, the barrel bottom ring includes two layers of barrel bottom ring shell and elastic membrane, and the elastic membrane is located on the inner side; the tightening rope is arranged in the interlayer between the barrel bottom ring shell and the elastic membrane, after the cleaning barrel covers the buoy, the tightening rope is tightened, and the elastic membrane is tied around the outer periphery of the buoy. The device combined with the matching method has superior cleaning effect and significant environmental protection significance.

This invention belongs to the field of water conservancy engineering technology and discloses an anti-collision navigation buoy for water conservancy projects. It includes a buoy body and photovoltaic panels and a counterweight ring installed above and below it, respectively. It also includes a line-laying protection mechanism installed inside the buoy body, with a plurality of protective springs arranged in a ring array around the outer periphery of the buoy body. The above solution works by having the buoy body contact the protective springs upon impact with a ship, compressing and buffering them. When the ship pushes the buoy body, the winding roller rotates to release the extension cable. The rotation of the winding roller is then reduced by a planetary reducer, driving a transmission disc to rotate and compressing a large coil spring. The transmission disc, through the planetary reducer, causes the winding roller to rotate in the opposite direction until the extension cable is completely retracted, returning the buoy body to its original position. This solves the problem of anchor chain breakage or anchor dragging when the buoy is impacted by a ship.

The invention discloses a navigation mark visual identification and collision early warning method and system based on deep learning, and relates to the technical field of intelligent shipping, and the method comprises the steps: collecting a navigation channel monitoring video stream in real time, and carrying out the preprocessing of a key image frame; constructing a navigation mark detection model based on an improved Officient Det network, and outputting the position and category of the navigation mark in the key image frame; the method comprises the following steps: constructing a ship track prediction model through ship historical track data, predicting a short-time track of a ship, calculating the relative position, speed and course angle of the ship and a navigation mark, and constructing a dynamic collision risk field; and fusing the visual detection result, the radar ranging data and the AIS information to obtain a ship collision risk, and triggering graded early warning based on a preset risk threshold. According to the method, the improved deep learning model and the real-time calculation framework are combined, the robustness of navigation mark identification is improved, an efficient collision early warning mechanism is established, and technical support is provided for intelligent shipping.

1. Name of the product in this design: Navigational Buoy (Polyurethane Fiber). 2. Purpose of this design: To help guide the navigation of ships, locate and mark obstacles and indicate warnings. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

The utility model belongs to the technical field of navigation mark lights, discloses a water navigation mark lifting device, and aims to solve the problems that the existing navigation mark lifting device is provided with a connecting cable which penetrates through the middle part of a navigation mark main body, and water carried on the connecting cable easily enters the middle part of the navigation mark main body because the connecting cable needs to move, so that the operation of a driving motor is easily influenced. According to the technical scheme, the navigation mark comprises a navigation mark body, an ultrasonic detector and a controller are arranged on the navigation mark body, the ultrasonic detector is in circuit connection with the controller, an inner cavity is formed in the navigation mark body, and the top face of the inner cavity is made of heat conduction materials so that heat conduction and heat dissipation can be conveniently conducted on electric appliances in the inner cavity. A vertical winch is arranged at the top of the navigation mark body, a connecting cable is wound on the winch, a driving motor is arranged in the inner cavity and connected with a controller circuit, the winch is arranged outside the inner cavity, steam entering the inner wall of the inner cavity can be reduced, and normal use of the driving motor is prevented from being affected.