138results about "Acoustic vessel signalling" patented technology

The invention discloses a shipboard intelligent driving assistance terminal comprising an information sensing system, a data transmission system and a display terminal which are connected with an intelligent ship electronic control host. The intelligent ship electronic control host comprises a rendering host, a data processing host and a switch which are assembled in a cabinet. The information sensing system includes an environment sensing system and a hull sensing system. The environment sensing system includes a radar, an AIS, and a high-precision camera. The hull sensing system includes a differential GPS, an inertial navigation, and an engine room data PLC acquisition system. The intelligent ship electronic control host, after fusing the obtained ship navigation information, displays the ship navigation information in the display terminal in a three-dimensional form through the analysis by a built-in artificial intelligence system. The data transmission system includes hull internal data concentration and the ship-shore double-end information interconnection.

Locator device that can be used to aid in the recovery of or to provide positional information about a structure that becomes submerged. The locator device for submerged structures consists of one or more modules. Each module can be customized to incorporate one or more features including a power source, a transmitter or source, a receiver or detector, a fastener means, a computer, buoyancy means, a propulsion means, and a communications means.

The invention relates to an environment monitoring river patrol robot system and method. According to the environment monitoring river patrol robot system and method, a ground workstation is connectedwith a shipborne platform; the shipborne platform is provided with an intelligent control terminal; the intelligent control terminal is connected with an automatic driving unit, a wireless communication unit, a data storage unit, a radar measuring instrument, a sonar detector, a laser measuring instrument, a water quality monitor, a flow meter, a camera group and a comprehensive meteorological monitor, wherein the automatic driving unit is provided with an attitude control sensor and a satellite positioning device; the intelligent control terminal is provided with a river channel state analysis device and a fish school analysis device. With the environment monitoring river patrol robot system and method of the invention adopted, the pollution of a river is automatically monitored; besidesconventional pollution monitoring, the pollution condition of the river is generally judged through a fish swarm observation mode; detection and judgment are further conducted once problems are found; the problem that special monitoring is incomprehensive is avoided; and monitoring is simplified. The system and method of the invention have the advantages of high automation degree, strong on-siteautonomous control capability, flexible and changeable reaction capability and all-weather working capability.

The invention discloses an automatic floating device for an underwater hull attachment cleaning robot. The automatic floating device comprises a robot body, gasbags are arranged on two sides of the robot body, the outer surface of each gasbag is a nylon rubber layer, a gas charging valve is connected to one sides of the gasbags, one side of the gas charging valve is connected with a carbon dioxide cylinder, the other side of the gas charging valve is connected with a gas extracting pump, and the other side of one gasbag is connected with a vent valve. The automatic floating device has the advantages of simple structure, safety, reliability, low equipment input cost and high working efficiency.

A method, apparatus and system are provided to permit an aerial asset to determine its current location and to, in turn, locate and track a target even as efforts are made by others to jam or otherwise hinder offboard communications that may prevent reliance upon GPS or other positioning systems. A method includes receiving, at a navigation control vehicle, information regarding the relative position of a target with respect to each of the at least two sonobuoys. The method also determines a relative position of the target with respect to the navigation control vehicle at least partially based on the information regarding the relative position of the target with respect to each of the at least two sonobuoys. The method provides information regarding the relative position of the target to an aerial asset to facilitate location of the target by the aerial asset.

The invention provides a ship intelligent alarm system and a ship, and relates to the field of ship navigation aiding. Information such as the positions, courses and navigational speeds of other ships is determined through a communication unit, and the information such as the position, course and navigational speed of the current ship is acquired through a data acquisition unit, and a control processing unit is used for calculating according to the two kinds of information; when the ship is in different navigation speeds, different early-warning conditions are used, and when the sailing states of other ships reach early-warning conditions, an alarm unit is controlled to give an alarm so that the ship can effectively avoid other ships; when the ships enter a port area and the ship density of a port is too high, the system automatically shuts off the alarm to avoid unnecessary disturbance; when the ships enter a specific water area, voice prompting is carried out through the alarm unit so that the sailors can effectively adjust routes, accidents are reduced, and the safety of the ships is guaranteed.

The invention discloses a monitoring method for the maritime operation of a ship. The monitoring method comprises the following steps of: step I, collecting images of personnel in the ship, collectingimages of maritime environment, collecting sea wind speed, and besides, collecting distance between the bottom of the ship and water bottom surface; step II, performing analysis and processing on theimages collected in the ship in the step 1 to determine whether a passenger has the behavior of abnormal deviation or a driver has abnormal behavior, and besides, performing image processing according to wind speed and external images of the ship to analyze the strength grade of sea wave; and step III, determining corresponding danger to the ship body according to the strength grade of the sea wave, the distance between the bottom of the ship and the water bottom surface, the behavior of abnormal deviation of passengers, and the abnormal behavior of the driver, emitting a corresponding signaland giving an alarm, and making an synthetic determination for whether an inspection for the ship is needed. The monitoring method has the advantages of being simple in monitoring process, good in transportability, and can determine whether the inspection for the ship is needed, so that a good management measure can be provided for the sailing ship.

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 relates to a graded progressive ship underwater distance alarm device. The alarm device comprises a threshold setting apparatus, a transducer and a control apparatus, wherein three water bottom distance thresholds are set by the threshold setting apparatus according to the descending order, the transducer measures and outputs the ship bottom target distance, the control apparatus is connected with the threshold setting apparatus and the transducer, and graded progressive ship underwater distance alarm can be achieved on the basis of the ship bottom target distance and the three water bottom distance thresholds. According to the graded progressive ship underwater distance alarm device, graded progressive alarm is carried out on the ship underwater distance, different alarm strategies are implemented according to specific ship underwater distance conditions, ship drivers are prevented from being excessively anxious while it is ensured that ships navigate safely, and the alarm effect on the ship underwater distance is effectively improved.

A system for controlling a marine vessel's existing horn to automatically sound navigational signals as set forth in Coast Guard Navigation Rules, International and Inland for Sound and Light Signals for boats 12 meters 39 feet and larger, Rules 34 through 37. The system provides a user-interface with a selection of predetermined horn/light signals that can be repeated once or continuously via lights and/or sound, with a preview of the selected signal. The system permits a helmsman and other crew members to attend to other duties without constant attention to the vessel's horn, and enhances safety and Coast Guard compliance, and in the long term helps to inform and educate the operator through observing the signal patterns, on the water, or in boating courses like Coast Guard Auxiliary, Power Squadron and Community College courses.

A boat includes a dash positioned proximate a windshield at a first non-zero angle. A speaker is mounted under a top surface of the dash at a second non-zero angle. The speaker is positioned to direct sound emanating from the speaker through an opening in the dash and the windshield is configured to reflect the sound emanating from the speaker as reflected sound in an aft direction. The boat may also include an enclosure having a reflective surface positioned within a cavity formed between the deck and hull of the boat. A speaker, mounted within the enclosure, and the reflective surface are configured to reflect sound emanating from the speaker off of the reflective surface and through an opening of the enclosure.

The invention discloses an anti-collision protection machine capable of automatically alarming for a ship. The anti-collision protection machine comprises a working box and a fixing plate fixedly connected to the left end face of the working box, bolts capable of fixing the fixing plate to the front side of a ship body are symmetrically arranged on the upper side and the lower side of the fixing plate, a first cavity with a forward opening is fixedly formed in the fixing plate, and a fixing block is fixedly arranged on the front end face of the fixing plate. The ship can be protected when theship collides, a signal device can unfold an anti-collision plate when the collision occurs, the collision contact area is increased to reduce the impact force, a signal can be transmitted to an alarmdevice, a knocking block knocks an alarm bell to give an alarm, a power device can push an air bag out to make contact with the outside, gas in the air bag is rapidly expanded by light, and the air bag is expanded to reduce the collision impact force.

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.

The invention discloses a rolling wheel-stored underwater tourism investigation device. The rolling wheel-stored underwater tourism investigation device includes a fixing connection plate, and two sealed cabins having the same structures; the fixing connection plate is laid on the tops of the two sealed cabins; a gap is formed between the two sealed cabins; outlook windows are arranged on two ends of the sealed cabins; the rolling wheel-stored underwater tourism investigation device also includes a dive distance measurement alarm device, pneumatic tire wheels, swinging storage racks and hydraulic cylinders; one ends of the swinging storage racks are hinged on the bottoms of the sealed cabins, and the other ends of the swinging storage racks are fixed on piston rods of the hydraulic cylinders; the hydraulic cylinders are arranged in grooves formed in the bottoms of the sealed cabins, and the pneumatic tire wheels are arranged on the swinging storage racks; and the hydraulic cylinders pull the swinging storage racks to swing, the pneumatic tire wheels follow the swinging storage racks and enter grooves. The dive distance measurement alarm device can greatly improve the dive safety, and can prevent the investigation device from hard landing or colliding with underwater obstacles; and the pneumatic tires can be easily stored.

The present invention is an inflatable safety marker for a diver comprising a cylindrical hollow housing having a lid, a puncture plate, an inflatable bladder and a length of line connecting the bladder to the housing. The lid is hingably affixed to one end of the housing. The puncture plate is affixed within the housing below the lid. The puncture plate comprises a pierce needle positioned at the center with the sharp end exposed on the lower surface of the plate and the other end of the pierce needle exposed on the upper surface of the plate. The puncture plate also has a threaded cylindrical skirt depending from the lower surface about the sharp end of the pierce needle. The threaded cylindrical skirt is able to receive a threaded end of a canister containing gas for inflating the bladder. The inflatable bladder is positioned on the upper surface of the puncture plate with its open end removably affixed to the other end of the pierce needle. A length of line connects the bladder to the housing.

The invention discloses a hydraulic bow sealing door device. The hydraulic bow sealing door device comprises a door frame and a ship bow sealing door plate. A hydraulic bar fixing seat is fixed to thelower end of the side wall of the door frame through a pin shaft, a driving hydraulic bar is welded to the hydraulic bar fixing seat, and a limiting connecting rod is arranged at the upper end of theside wall of the door frame. A limiting pin column is arranged on the side, away from a cabin outlet, of the limiting connecting rod, a control box is fixed to the upper end of the side wall of the door frame through a screw, and a storage battery is arranged in the control box. A single chip microcomputer is arranged on one side of the storage battery, a signal transceiver and a voice prompt arearranged on one side of the single chip microcomputer, the single chip microcomputer is electrically connected with the signal transceiver and the voice prompt, and the signal transceiver, the voiceprompt and the single chip microcomputer are electrically connected with the storage battery. The hydraulic bow sealing door device has the beneficial effects that whether the cabin is completely closed or not can be detected, an alarm is given in time when a fault occurs, a water entering accident is avoided, and the safety is improved.

A windshield includes a framework with a bottom trim and a top trim, a windshield panel secured to the framework, and a speaker system secured to the framework adjacent the windshield panel between the bottom trim and the top trim. The windshield integrates speakers just above the deck and closer to passenger head level. The design provides a much more balanced listening experience in a visually pleasing package.

The invention discloses a highly flexible water rescue device and a control system thereof. The device includes a ship body; a supporting rack is fixedly installed on one end on the upper surface of the ship body, and a navigation indicating lamp is fixedly installed on the other end on the upper surface of the ship body; a camera is installed on the upper surface of the supporting rack; a first motor is installed under the supporting rack and on the upper surface of the ship body; an alarm horn is fixedly installed on the upper end on the surface on one side of the ship body; and the middle part on the upper surface of the ship body is provided with an air bag ejection mechanism. Corresponding angles can be adjusted through the ejection mechanism, so that an air bag can be emitted to a drowning person; the device is wide in application range and can realize rapid autonomous rescue; and air bag ejection can be taken as a rescue core, so that the device cannot be blocked by low barriers. The control system includes a lifesaving terminal and an ROS operation system; the lifesaving terminal is used for sending a radio wave to the ROS operation system to control the navigation path ofthe ship body; and the ROS operation system is used for receiving a radio wave signal sent by the lifesaving terminal, so that the ship body can perform air bag ejection, alarming and navigation. Thedevice and the system are short in time consuming, high in efficiency and high in safety coefficient.

The invention discloses a ship siren system. The ship siren system comprises a handle, a siren, a rainproof guide part and a steel wire rope, wherein the rainproof guide part comprises an enclosure seat with a through hole, an enclosure covering one end of the enclosure seat and a guide pulley arranged in the enclosure; the enclosure is provided with a perforated hole communicated with the through hole; the opening direction of the perforated hole is different from that of the through hole; one end of the steel wire rope is fixedly arranged on the handle and the other end of the steel wire rope sequentially passes through the through hole, the guide pulley and the perforated hole to be connected with the siren; when the handle is pulled, the siren is driven by the steel wire rope so as to be operated.

The invention provides a ship safety control system and method and a ship, and relates to the field of ship control, the system comprises a sensing unit, a decision-making unit, an alarm unit and a control unit which are connected in sequence; the sensing unit is used for collecting ship external information and ship internal information; the decision-making unit is used for determining state information of the current ship according to the ship external information and the ship internal information; the alarm unit is used for generating alarm information when the state information is abnormal; the control unit is used for issuing a control instruction to the function execution system of the current ship when receiving the alarm information so as to control the current ship through the function execution system; the function execution system comprises an energy power system, a navigation system and an attitude control system which are arranged on a current ship. The ship safety risk can be autonomously decided and responded under the condition that personnel intervention is not needed, the ship safety control capability is improved, and a foundation is laid for unmanned and autonomous operation of the ship.

The invention provides an unattended ship collision avoidance device. The device comprises an alarm unit, a ship body, a storage battery, a fixing plate, a solar panel, a GNSS receiver, an AIS receiver and a controller, the alarm unit is arranged on the left side of the upper end face of the ship body, the alarm unit comprises an acousto-optic alarm device and a VHF voice broadcast, the fixing plate is arranged at the top of the ship body, and the solar panel is arranged on the upper end face of the fixing plate; the storage battery is arranged in the ship body, the GNSS receiver is assembledon the upper side of the ship body, the AIS receiver is arranged on the upper side of the GNSS receiver, the controller is arranged on the left side inside the ship body, and the controller is internally provided with a single chip microcomputer, a memory and a relay; a GNSS module is assembled inside the GNSS receiver; an AIS module is assembled inside the AIS receiver. The device is reasonable in structure, good in early warning performance, convenient to use and high in reliability.

The invention discloses a method and system for ship ultrasonic-assisted berthing or backward berthing. The method comprises the steps that a plurality of ultrasonic ranging sensors are arranged and installed on a portside, a starboard and a stern of a ship; normals of ultrasonic beams sent out by the ultrasonic ranging sensors point to outer sides of ship boards; when the ship starts the berthing or the backward berthing operations, the distance between the ship and a berthing target is monitored in real time, and a real-time ranging result of each sensor is displayed by digital and graphic manners; and when the monitored distance between the ship and the berthing target is smaller than or equal to a set danger distance, audible and visual alarm hints can be triggered automatically. The method and system disclosed by the invention are beneficial for enhancing safety of the ship berthing or the backward berthing operations and have the advantages that risks in intense collision between the ship and the berthing target are reduced; working strength for workers who control and drive the ship to implement the berthing or the backward berthing operations can be relieved; human-centered science and technology are reflected; and the method and system have very high practicability and generalization values.