44results about "Sonar signalling devices" patented technology

Watercraft automation and aquatic data are utilized for aquatic efforts. In one aspect, an anchor point is obtained and a watercraft position maintenance routine is actuated to control the watercraft to maintain association with the anchor point. In another aspect, prior aquatic effort data is obtained in association with an anchor point. In yet another aspect, current aquatic effort data is generated in association with an anchor point. In still another aspect, current aquatic effort data and prior aquatic effort data are utilized for prediction generation. In yet another aspect, current aquatic effort data and prior aquatic effort data are utilized to obtain another anchor point for a watercraft.

The present invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned ship hangar system, including unmanned aerial vehicles, unmanned ships and communication systems. The unmanned aerial vehicles are composed of two or more unmanned aerial vehicles. The UAV body and the onboard control system are composed. The unmanned ship is equipped with a shipboard platform, a shipboard control system and a shipboard power system. The UAV group is set on the shipboard platform. The communication system includes shipboard communication equipment and For the airborne communication equipment on the UAV, the shipboard control system and the shipboard communication equipment should be set correspondingly, and the airborne control system should be set correspondingly to the airborne communication equipment. The invention integrates the technical advantages of the existing unmanned ships and UAVs, not only realizes the effective complementation of the functions of the unmanned ships and the UAV group in the water area and the air space, but also makes up for the disadvantages of the vertical operation of the unmanned ships in the water area in the air space, and at the same time solves the problem of unmanned ships. The difficulty of human-machine endurance in waters and large-scale communication has greatly improved the work efficiency and duty performance of drones.

Sonar systems and associated methods are provided herein for sonar image generation. The sonar system is configured to enable rotation of a transducer array that includes at least two transducer elements. The transducer array may be mounted to a trolling motor capable of being rotated. The transducer elements can be positioned to enable use of interferometry to obtain angle information regarding sonar returns. The angle and range of each sonar return can be used to form images, such as a 2D forward looking image of the underwater environment. A heading detector can be used to obtain a heading of the transducer elements to enable creation of a 2D radar-like image of the underwater environment. Additionally, the heading, angle, and range of the sonar returns can be used to form a 3D image of the underwater environment.

A powered watercraft system including a watercraft body, a propulsion system, a sensor configured to measure a value indicative of a manually-generated time-variable first propulsive force resulting from a body motion of the user to move the watercraft body, and a controller configured control the propulsion system to generate a second propulsive force for powering the watercraft body based on the value indicative of the first propulsive force, the generated second propulsive force being at least partially contemporary with the first propulsive force.

The invention discloses a hybrid power water surface cleaning robot. The hybrid power water surface cleaning robot comprises an electric boat. The electric boat is provided with a propeller, an anchorage device, a navigation system, an electronic compass and a central control cabinet, solar cell panels are flat laid on the outer surfaces of the two sides of the electric boat, a semicircular supporting frame is fixedly arranged at the upper end of the electronic boat, a wind-driven generator is hung below the semicircular supporting frame, and an obstacle avoidance detection device and a transmission antenna are fixedly arranged at the top end of the semicircular supporting frame. A gasoline engine generator is fixedly arranged in a cabin of the electric boat. The output ends of the solar cell panels, the output end of the wind-driven generator and the output end of the gasoline engine generator are all connected with a lithium battery through a hybrid power controller, and the output end of the lithium battery is connected with the propeller through a multi-way switch power source. A water surface waste collecting and conveying device is arranged at the front end of the electric boat, and a waste storage box is connected to the rear end of the electric boat in a hung mode. Wind energy, solar energy and gasoline power generation hybrid powder is adopted for providing energy for the hybrid power water surface cleaning robot, so that the hybrid power water surface cleaning robot is not influenced by rainy days or large workloads, efficiency is improved, and labor cost is reduced.

The invention discloses a multifunctional underwater working device for fishery. The multifunctional underwater working device comprises a device main body, wherein a driving system for providing power is arranged on the device main body; an underwater camera system and a control system are mounted at the top of the device main body; underwater lighting devices are respectively mounted on two sides of the underwater camera system and the control system; a cavity which passes through transversely is formed inside the device main body; a functional unit component is mounted at the head of the cavity; a conveying pipe and an umbilical cable are arranged at the tail part of the cavity; one end of the conveying pipeline is communicated with the tail part of the cavity; the other end of the conveying pipeline is connected with a ship-mounted pump; one end of the umbilical cable is connected with the driving system, the underwater camera system, the control system and the underwater lighting devices; the other end of the umbilical cable is connected with the ship-mounted pump and a ship-mounted operation platform.

The invention discloses a self-powered self-oxygen-supply unmanned surface vehicle. The unmanned surface vehicle comprises an electric ship powered by a lithium battery, wherein a solar panel for collecting solar energy and converting the collected solar energy into electricity is laid on the upper surface of the electric ship; a semi-circle supporting frame is arranged at the middle part of the electric ship; a wind-driven generator is hung under the semi-circle supporting frame; a gasoline generator is fixedly arranged in a cabin of the electric ship; an output end of the solar panel, an output end of the wind-driven generator and an output end of the gasoline generator are respectively connected with the lithium battery through a hybrid power controller to charge the lithium battery; and an ultra micron bubble generator is fixedly arranged on the electric ship, and a spray is arranged at the bottom end of the ultra micron bubble generator. According to the self-powered self-oxygen-supply unmanned surface vehicle disclosed by the invention, a hybrid power function of wind power generation, solar power generation and gasoline generation is adopted, so that the self-powered self-oxygen-supply unmanned surface vehicle is free from great influence of a cloudy and rainy weather or working capacity, the efficiency is improved, and manual cost is reduced; and through the ultra micron generator, in-situ oxygen supply or surface-source oxygen supply in any water area is realized, so that the water quality is purified, and oxygen dissolving environment of the whole water area is improved.

The invention provides an energy-saving self-position-keeping sonar positioning buoy and a control method. The positioning buoy comprises an antenna unit, a solar sail, a sail rotating shaft, a sail rotating mechanism, an anemorumbometer, a posture and positioning sealed cabin, a direction steering engine, a direction rudder plate, a main propeller, an auxiliary propeller, a horizontal wing, a main control sealed cabin, a power battery, an electric control battery, a waterproof cable and an underwater acoustic transducer. The Beidou/GPS dual-mode positioning mode is adopted, safety and stability of navigation information are improved, positioning data are safer and more reliable, satellite communication can be achieved through the added Beidou short message communication function, which isa beneficial supplement for radio communication, and achieves the safety guarantee when radio fails or exceeds the communication distance of the radio. The sail is used for providing advancing wind energy power and self-guarding wind resistance for the sonar buoy, solar energy is used as supplement of sonar buoy electric control energy, energy consumption is reduced, and meanwhile the working time of the self-guarding sonar positioning buoy is prolonged.

The present invention comprises a self-propelled craft with a U-shaped main body provided with two turbines, one on each flap of the U-shaped main body, which propel the self-propelled craft through turbine operation in a chamber fed by water received by water intakes which is ejected by the ejection openings, and which turbines move inside the turbine operation chamber adopting automatically one of two possible positions due to the casing which is placed in two different positions within the turbine operation chamber, which positioning results from the placement of the device on the water being done by side A or B, the water intake being done through existing water entrances on side A or B of the device.

An apparatus provides a warning of propeller rotation or CO/CO₂ hazard in a marine craft and includes a sensor in communication with the propeller to directly or indirectly sense rotation of the propeller and to generate a signal in response to the hazard, a controller coupled to the sensor to process the signal from the sensor, and a sensory alarm coupled to the controller to generate a warning alarm signal when the sensor returns a signal indicative of a predetermined state of hazard, namely actual rotation of the propeller from a nonzero rpm to a user or factory defined rpm or CO/CO₂ levels at or above a predetermined maximum.

A system for controlling a marine vessel has a sonar depth finder which displays a chart, stored in memory, for a body of water. The chart includes an underwater feature contour that defines a boundary of an underwater feature. The sonar depth finder includes a processor to create or update the topographical chart based on sonar data from a sonar transducer assembly. The sonar data includes information on the underwater feature. The processor can display and store the topographical chart. The user may select from the underwater feature contours on the depth finder display. The depth finder can generate a route for the marine vessel that includes a path along the selected underwater feature contours. A vessel control device, in communication with the depth finder, may receive transmissions, from the depth finder, which include the generated route. The vessel control device can automatically direct the marine vessel along the route.

The invention discloses an adjusting device for sonar of a ship, and relates to the technical field of ships. The adjusting device for the sonar of the ship comprises a protection box, a fixed block is fixedly connected to the surface of the left side of the protection box, a first box door is hinged to the fixed block through a rotating shaft, a second box door is arranged on the surface of the protection box, the second box door is hinged to the protection box through a hinge, a connecting column is fixedly connected to the inner wall of an inner cavity of the protection box, and an adjusting box is fixedly connected to the end, away from the inner wall of the inner cavity of the protection box, of the connecting column. According to the adjusting device for the sonar of the ship, by arranging a first fixed plate, a second fixed plate, a first sleeve, a sliding rod, a second sleeve, a threaded rod, a sliding plate, a first bearing, a second bearing, a rotating wheel, a connecting rod, a connecting plate and the sonar, rotation of the rotating wheel can drive the sonar to move vertically, then the sonar can move upwards from the underwater, and convenience is brought to maintenance.

To obtain a sound-transmitting member having a wide sound-transmitting band in a high frequency region. A planar sound-transmitting member having sound-transmitting properties includes two skin layers, N+1 core layers, and N intermediate layers (N=1), in which the core layer and the intermediate layer are alternately stacked between the skin layers. The skin layers and the intermediate layer are formed of carbon fiber reinforced plastics (CFRP), which is a material having a higher elastic modulus than the core layers formed of rubber.

A transducer mount assembly includes a housing and a motor coupled to and disposed within the housing. An elongated rod extends from the housing and is operably coupled to the motor. The motor is configured to rotate the elongated rod about a longitudinal axis of the elongated rod in a first direction and a second direction opposite the first direction. A controller is in communication with the motor and is configured to selectively direct the motor to rotate the elongated rod in the first direction and the second direction. A boat mount bracket is configured to couple the transducer mount assembly to portion of a boat. A transducer mount bracket is configured to couple a transducer to the elongated rod.