10 results about "Hydrographic survey" patented technology

The invention relates to the technical field of marine hydrographic survey, and discloses a shallow sea full-profile ocean current information acquisition method based on data fusion, which comprises the following steps of: performing bidirectional dual acoustic detection on a shipborne measuring unit and a bottom-supported measuring unit, and acquiring and comparing respective acoustic channel transfer functions; the ocean current effect is quantified by analyzing symmetry breaking of the transfer function, meanwhile, channel disturbance characteristics of the water body environment are recognized, then the disturbance characteristics serve as dynamic constraints to guide data fusion, and an accompanying confidence coefficient index is generated for fused ocean current information. According to the method, an analysis core is changed from a measurement result to an acoustic channel bearing information, self-consistency verification is carried out on the measurement process while the flow velocity is obtained by analyzing the symmetry of channel response, and real flow field change and environment disturbance artifacts are distinguished from the physical principle, so that a blind area of data confidence in the prior art is avoided, and the accuracy of flow velocity measurement is improved. Measurement and diagnosis are integrated.

The invention provides marine hydrological survey auxiliary equipment and relates to the technical field of rope dragging, the marine hydrological survey auxiliary equipment comprises a functional rod, one end of the functional rod is inserted into a right side plate, and the problem that an existing rope winding device of a ship does not have a structure for buffering and protecting a dragged object is solved. The problem that the hydrological survey device cannot be normally used and recycled due to the fact that the rope is pulled more tightly and more tightly and consequently the rope is broken and damaged is solved, and the functional assembly and the protection assembly can form a whole for use in the reset state. The hydrological survey device has the functions of buffering and protecting the dragged hydrological survey device and giving an alarm when the hydrological survey device is stuck, the use is convenient and flexible, a worker can clearly know the moving state of the hydrological survey device at the water bottom, and the stability is extremely high.

The present application belongs to the technical field of cabin temperature control, and particularly relates to a hydrological survey ship cabin temperature control device, which comprises an unmanned survey ship, survey sensors, a photovoltaic energy storage module, a bubble type ventilation mechanism and a sliding tail type buoyancy increasing mechanism. The survey sensors are arranged on the unmanned survey ship, the photovoltaic energy storage module is arranged on the unmanned survey ship on the side of the survey sensors, the bubble type ventilation mechanism comprises a temperature control assembly and a bubble assembly, the temperature control assembly is arranged at the tail of the unmanned survey ship, and the bubble assembly is arranged at the bottom of the unmanned survey ship. The present application provides a hydrological survey ship cabin temperature control device which can introduce the airflow after ventilation into water, clean the bottom of the ship body when the ship is at low speed or hovering by using the formed bubbles, and increase the buoyancy of the tail of the ship body when the ship body is sailing at high speed, so as to maintain the sailing posture of the survey ship.

The utility model relates to the technical field of hydrological survey, in particular to a buoy for hydrological survey, which comprises a platform body, a buoy base, a buoy body and a buoy body, the anti-collision mechanism comprises an inflatable bag type sealing ring, and the inflatable bag type sealing ring acts on the surface of the buoy table. The inflatable bag type sealing ring is connected with the mounting insertion block, so that the inflatable bag type sealing ring can be mounted on the surface of the buoy table, the mounting insertion block is mounted on the surface of the connecting block, the mounting insertion block is mounted in the mounting insertion groove, the connecting plate acts on the interior of the mounting insertion groove, and the connecting plate is abutted by the mounting insertion groove to move; the connecting rod and the deformation buckle can move along with movement of the connecting plate, the deformation buckle can deform and be clamped in the clamping groove, and therefore the inflatable bag type sealing ring is fixed to the surface of the buoy table, the buoy table is prevented from being impacted, and the effect of anti-collision protection on the buoy table can be achieved.

The application discloses an S-104 water surface navigation water level product automatic production method and system, relates to the technical field of seaway survey data processing, and comprises the following steps: collecting original water level data of a tidal level observation station to perform pretreatment and obtaining standardized intermediate data of the original water level data; performing data coding according to the standardized intermediate data of the original water level data to obtain coding data conforming to S-104 specifications; performing multi-dimensional checking on the coding data conforming to S-104 specifications to obtain water surface navigation water level product data; and performing product dynamic updating based on the water surface navigation water level product data to obtain S-104 water surface navigation water level product automatic production results. According to the application, 90% of manual intervention is reduced through full-process automatic production, single-batch data production time is shortened from the hour level to the minute level, production efficiency is improved by more than 80%, the product qualified rate is improved to 99%, and output data can be directly connected to an ECDIS system.

This invention belongs to the field of engine room temperature control technology, specifically referring to a temperature control device for the engine room of a hydrographic survey vessel. It includes an unmanned survey vessel, survey sensors, a photovoltaic energy storage module, a bubble-type ventilation mechanism, and a stern-type buoyancy enhancement mechanism. The survey sensors are located on the unmanned survey vessel, and the photovoltaic energy storage module is located on one side of the survey sensors. The bubble-type ventilation mechanism includes a temperature control component and a bubble-generating component. The temperature control component is located at the stern of the unmanned survey vessel, and the bubble-generating component is located at the bottom of the unmanned survey vessel. This invention provides a temperature control device for the engine room of a hydrographic survey vessel that can introduce ventilated airflow into the water, using the resulting bubbles to clean the bottom of the hull when at low speeds or hovering, and can increase buoyancy at the stern of the hull during high-speed navigation, maintaining the survey vessel's navigation attitude.

The invention discloses a multi-layer fixed-depth underground water sampling device for underground hydrographic survey, and relates to the field of underground water sampling, the multi-layer fixed-depth underground water sampling device for underground hydrographic survey comprises a support frame, the support frame is rotatably connected with a mounting pipe, and according to the multi-layer fixed-depth underground water sampling device for underground hydrographic survey, graduated scale marking lines are arranged on a pipeline; and the installation box can be accurately controlled to be lowered to the designated depth of underground water. And after the target depth is reached, the specific air inlet pipe is opened by pulling the valve mechanism, and the transmission mechanism is pushed by the blowing mechanism, so that the water pumping plate moves in the water suction box to complete water pumping. Each water suction box corresponds to a specific depth, underground water of different depths can be sampled in sequence, and the problem that water samples of different depths are difficult to accurately obtain in a traditional sampling mode is solved. Moreover, the whole sampling process is relatively simple and convenient to operate, complex equipment does not need to be repeatedly mounted and dismounted, multi-layer fixed-depth sampling can be completed at a time, and the sampling efficiency is greatly improved.

The utility model belongs to the technical field of hydrographic survey, and particularly relates to a hydrographic telescopic measuring rod and hydrographic survey equipment, which comprise a telescopic rod and a supporting device, the supporting device is arranged on the surface of the telescopic rod and comprises a supporting frame, the supporting frame is positioned on one side of the telescopic rod, and the inner wall of the supporting frame is slidably connected with a moving rod. Two clamping wheels are rotatably connected to the inner surface of the moving rod and located on the surface of the telescopic rod, positioning pins are in threaded connection with the inner walls of the supporting frame and the moving rod, an auxiliary device is arranged on the surface of the moving rod and comprises a fixing block, the bottom end of the fixing block is fixedly connected with the upper surface of the moving rod, and a moving frame is slidably connected to the inner wall of the fixing block. By arranging the whole device, the telescopic rod can be limited, meanwhile, the telescopic rod is fixed, continuous measurement of other equipment on the telescopic rod is facilitated, and meanwhile the telescopic rod can be guided when the telescopic rod moves.

The utility model belongs to the field of hydrographic survey monitoring equipment, and particularly relates to an anti-inclination mechanism of hydrographic survey monitoring equipment, which comprises a concrete floor, a hydrographic survey monitoring equipment body is fixedly connected to the top of the concrete floor, and a reinforcing mechanism is arranged at the top of the concrete floor; according to the utility model, the rotating disc is driven to rotate, and the rotation of the rotating disc can drive the sliding blocks and the reinforcing blocks to move by utilizing the connection of the sliding blocks and the sliding chutes, so that the hydrographic survey monitoring equipment body is clamped and reinforced; when a worker needs to clamp, fix and reinforce hydrographic survey monitoring equipment bodies of different specifications and sizes, various clamps of different adaptive specifications do not need to be prepared, so that the hydrographic survey monitoring equipment bodies can be fixed and reinforced more conveniently, certain reinforcing cost is reduced, and the working efficiency is improved. And meanwhile, when the monitoring equipment is applied to a high-precision scene, the data accuracy of the monitoring equipment can be greatly improved.

The utility model relates to the technical field of hydrogeological exploration, and discloses a hydrogeological exploration underground water level observation device which comprises a box body, a first motor, a linkage drilling assembly and a rotation detection assembly, a first protection box body is arranged outside the first motor, and the first motor is installed at the top of the box body through the first protection box body; the linkage drilling assembly is arranged at the output end of the first motor, and the rotation detection assembly is arranged in the box body. And the linkage drilling assembly comprises a rotating disc, a rotating rod, a moving plate, a second motor and a drilling rod, the rotating disc is arranged at the output end of the first motor, and an annular fluted disc is arranged outside the rotating disc. According to the underground water level observation device for hydrogeological exploration, the stability and safety of power transmission are ensured through a first motor installed at the top of the box body and a first protection box body of the first motor, and in the linkage drilling assembly, a rotating disc, a gear, a rotating rod and a moving plate are precisely matched, so that automatic adjustment of the drilling depth is achieved.