68results about "Acoustic vessel signalling" patented technology

To enable high-accuracy calibration, reduction of calibration time, and suppression of increases in power consumption, size, and mass of acoustic lighthouses even when a large number of acoustic lighthouses are installed in deep sea.SOLUTION: An offshore signal processing device 10 transmits and receives acoustic signals to and from a master lighthouse 20, acquires three-dimensional absolute coordinates of the master lighthouse 20 by acoustic positioning, and notifies the master lighthouse 20 of the three-dimensional absolute coordinates. The master lighthouse 20 transmits and receives acoustic signals to and from slave lighthouses 30a, 30b, acquires three-dimensional relative coordinates of the slave lighthouses 30a, 30b by acoustic positioning, and acquires three-dimensional absolute coordinates of the slave lighthouses 30a, 30b from the three-dimensional relative coordinates and its own three-dimensional absolute coordinates notified from the signal processing device 10.SELECTED DRAWING: Figure 1

A computer system has processing circuitry to control a force feedback unit to progressively increase a force feedback applied to the input device in response to a manual maneuvering of the input device towards a virtual stop position being defined in between an equilibrium position and a mechanical end position of the input device. The virtual stop position is a software-defined set point acting as an intermediate trigger for the input device. The force feedback is progressively increased until it reaches a maximum force feedback at the virtual stop position; and control the force feedback unit to reduce the force feedback applied to the input device at the virtual stop position in response to a force of a manual maneuvering of the input device exceeding the maximum force feedback value.

The disclosure relates to a marine searchlight system with wiretapping remote controllers including a main body assembly, a wiretapping box and two remote controllers. The main body assembly includes a control motherboard configured to control a lighting module and a driving module. The control motherboard includes a DC power module and a signal receiving module. The DC power module provides a DC power. The signal receiving module receives a control signal. The wiretapping box is electrically connected to the DC power module and the signal receiving module. The two remote controllers are electrically connected to the control motherboard through the wiretapping box. The DC power module provides the DC power to two remote controllers respectively. Each of the two remote controllers allows to transmit the control signal to the signal receiving module through the wiretapping box, so that the control motherboard can control the lighting module and the driving module.

The electric hydrofoil according to the invention comprises an assistance system to assist its control with a passive warning mode of operation and / or with an active corrective mode of operation. The system thus created is very useful for beginners in this sport and provides easier and safer operation of the electric hydrofoil.

The utility model discloses a marine fog aviation air whistle automatic controller which comprises a pedestal, a table top is arranged on the top of the pedestal, a control panel is installed in the center of the table top, a whistle button area is arranged on the control panel, and a plurality of whistle buttons are installed in the whistle button area. An emergency power supply button, a main power supply indicating lamp, a power supply switch knob and a manual operation button are arranged on the right side of the whistling button area on the control panel, and a working mode conversion knob, a synchronous button and a fog lamp button are arranged below the whistling button area; a lamp testing button, a heating button and a dimming knob are mounted on the left side of the whistling button area on the control panel; a junction box is arranged at the bottom of the pedestal, and a control circuit board is installed in the junction box. The marine fog aviation air whistle automatic controller is provided with a plurality of input and output control interfaces, a plurality of functions can be integrated on the control panel, the functions are diversified, and the operation convenience is greatly improved.

The utility model discloses an emergency broadcast alarm device for a digital conversation ship, which comprises a protective shell and a loudspeaker, the right end of the top of the inner cavity of the protective shell is movably connected with a rotating shaft through a bearing, the middle end of the rotating shaft is fixedly provided with a second synchronizing wheel, and the bottom of the rotating shaft is fixedly connected with a protective cover. The outer surface of the protective cover is movably connected to the right end of the inner cavity of the protective shell. According to the utility model, through the arrangement of the loudspeaker, sailors can conveniently play the alarm information of the emergency broadcast when the digital communication ship encounters an emergency situation, so that surrounding sailors can timely discover the emergency situation and take corresponding safety measures; through the arrangement of a driving motor, a rotating rod, a first synchronous wheel, a fixing frame, a synchronous belt, a second synchronous wheel, a rotating shaft, a protective cover and a protective shell, the loudspeaker can be effectively stored and protected in the non-use period, and the probability that the loudspeaker is damaged due to the influence of the external environment is effectively reduced.

The application relates to the technical field of ship engineering, in particular to a ship mechanical fault alarm detection device, which comprises a power cabin, a connecting rod arranged on one side of a moving plate, an L-shaped plate installed on one side of the connecting rod, a cylinder arranged on one side of the L-shaped plate, a connecting plate fixedly connected with one end of the cylinder, a processor arranged on the upper side of the connecting plate, an alarm installed on one side of the processor, a buzzer installed on the other side of the processor and a signal transceiver arranged on one side of the buzzer.

A boat includes plurality of hulls. The boat may be a pontoon boat and the plurality of hulls may be a plurality of pontoons. A channel is defined between two hulls of the plurality of hulls. The boat includes a speaker positioned to direct sound emanating from the speaker into the channel. The speaker may be a subwoofer.

The utility model provides a new energy leisure ship, which is characterized by comprising a ship body, a ship body, a ship body and a ship body, the ship body is made of light materials and comprises a cabin bottom and a deck, and at least part of the cabin bottom and at least part of the deck define a containing space. The power system comprises an oar and a motor which are arranged in the containing space, the oar is provided with a rotatable oar blade, the oar blade is located on the outer side of the cabin bottom, and the motor is in transmission connection with the oar to drive the oar blade to rotate; the energy system comprises a power supply arranged in the accommodating space and a power generation device arranged on the deck, and the power generation device is electrically connected with the power supply; the power generation device is configured to generate power using natural resources including light energy and / or wind energy. By arranging the power generation device, natural resources can be utilized to generate power, electric energy is supplemented in real time during sailing, the cruising ability is further improved, and meanwhile carbon emission is avoided.

The invention relates to the technical field of lifesaving equipment, in particular to an intelligent autonomous water area rescue device which comprises a rescue main shell and further comprises a U-shaped adjusting groove formed in the rescue main shell, a rescue adjusting annular plate is arranged in the U-shaped adjusting groove, and lifesaving equipment is fixedly installed on the rescue adjusting annular plate; the rescue main shell is provided with an air supply system used for inflating air into the rescue equipment, and the rescue main shell is further provided with a power module used for driving the rescue adjusting annular plate to turn over. The buoyancy adjusting air bag is fixedly mounted on the rescue adjusting ring plate and communicates with the air supply system; the rescue control module is fixedly arranged on the rescue main shell body; according to the intelligent autonomous water area rescue device, automatic switching of advancing modes in complex water areas such as stormy waves and weeds can be achieved, single-point faults are avoided, and navigation stability and efficiency are improved.

The invention provides an offshore marine floating garbage salvage ship, relates to the technical field of marine floating garbage collection, and solves the problems that existing offshore marine floating garbage salvage is low in efficiency, high in cost, poor in environmental protection property, few in informatization equipment and the like. The ship comprises a ship body, a power system, an electric power system, a control system, a navigation system, an alarm system, a drainage system and a garbage collection system, and the power system comprises an angle-adjustable outboard outboard engine installed at the stern of the ship body, a diesel oil cabinet installed at the bottom in a cabin of the ship body and a driving operation system arranged in a cockpit of the ship body; the electric power system comprises a storage battery arranged in a tail peak tank of the ship body, a solar photovoltaic panel installed on the outer top of a cockpit of the ship body and a photovoltaic controller. The device has the beneficial effects that the device is suitable for operation in areas such as near-shore water areas, estuaries and ports, can efficiently collect sea floating garbage, and is flexible to operate, low in cost, good in environmental protection performance, complete in equipment and safer.

The invention discloses a high-voltage shore power safety access system and method for a ship danger area. The system comprises a high-voltage shore power connection cabin located in a dangerous area of a midship of a ship, a high-voltage shore power socket connected with a high-voltage shore power access distribution board is arranged in the high-voltage shore power connection cabin, a first multi-parameter safety assembly is arranged on the inner side of the cabin wall of the high-voltage shore power connection cabin, and a first airtight through piece is arranged on the cabin wall of the high-voltage shore power connection cabin; the positive pressure ventilation unit is located in a ship safety area and connected with the high-voltage shore power connection cabin through a ventilation pipeline so as to guarantee that the interior of the high-voltage shore power connection cabin is the safety area. The emergency warning control assembly is arranged on one side outside a cabin door of the high-voltage shore power connection cabin; the central control monitoring unit is electrically connected with the high-voltage shore power access distribution board, the positive-pressure ventilation unit, the first multi-parameter safety assembly and the emergency warning control assembly. According to the invention, the problems of uncontrollable safety risk, mismatching with the layout of an oil wharf and poor adaptability with different ship type scales when a high-voltage shore power system is arranged in a dangerous area can be solved.

A marine audio attenuation method for use with an audio system installed on a watercraft, the method including the steps of acquiring, determining and reducing. The acquiring step acquires location information of the watercraft. The determining step determines if the watercraft is in a selected location. The reducing step reduces an audio level delivered to speakers attached to the watercraft if the watercraft is in the selected location.

To provide a computer system for force feedback control of a ship input device.SOLUTION: A processing circuit (102) is configured to control a force feedback unit (22) so as to increase gradually a force feedback applied to an input device (20) in response to that a manual operation of the input device toward a virtual stop position (VSP) is defined between an equilibrium position (EP) and a machine end position (MEP) of the input device. The virtual stop position (VSP) is a set point defined by software functioning as an intermediate trigger of the input device. The force feedback increases gradually until reaching the maximum force feedback at the virtual stop position. Moreover, the processing circuit controls the force feedback unit so as to reduce the force feedback applied to the input device at the virtual stop position in response to that the manual operation force of the input device exceeds the maximum feedback force value.SELECTED DRAWING: Figure 2

The present application provides an underground boat-type unmanned rescue robot, comprising a robot body, a sensing component and a control device, wherein the sensing component is connected to the control device, and the control device is located in the robot body and connected to the driving device of the robot body; the sensing component comprises a pressure sensor and a thermal imaging sensor, the pressure sensor is located at the outer bottom of the robot body, and the thermal imaging sensor is located at the outer side wall of the robot body; the pressure sensor is used to sense the draft depth of the robot body and send it to the control device, and the thermal imaging sensor is used to sense the position of personnel located around the robot body and send it to the control device; the present application is not restricted by communication signals, and can automatically respond and search and rescue underground personnel as soon as an underground water disaster occurs, thereby improving the water disaster emergency rescue capability and increasing the survival rate of trapped personnel underground.

To provide a mounting structure of an underwater acoustic material on a surface to be mounted of an underwater acoustic material that is advantageous in making mounting work more efficient while improving acoustic performance, and a structure covering a surface to be mounted of an underwater structure with an underwater acoustic material, as well as an underwater acoustic material.SOLUTION: In a state where a first underwater acoustic material 14A and a second underwater acoustic material 14B are alternately mounted in a vertical direction on a surface 12 to be mounted, a pair of surfaces (first inclined surfaces) 20A constituting a pair of legs of a first trapezoid 16A of the first underwater acoustic material 14A and a pair of surfaces (second inclined surfaces) 20B constituting a pair of legs of a second trapezoid 16B of the second underwater acoustic material 14B are tightly attached to each other, which eliminates necessity of work for filling a joint sealant into a gap between the underwater acoustic materials 14 arranged adjacently in the vertical direction.SELECTED DRAWING: Figure 3

The invention discloses an unmanned ship oil spill monitoring system and method, comprising an information acquisition module for collecting parameter data of various sensors, an oil storage module for storing and transporting fuel oil of the ship, the oil storage module comprising an oil bunker and an oil pipe, the oil bunker and the oil pipe being connected to the information acquisition module through a liquid level sensor and a flow sensor, so as to monitor the storage and flow conditions of the fuel oil in real time; a ventilation module for controlling the gas pressure and gas flow in the oil bunker, the ventilation module being connected to the information acquisition module through a pressure sensor, so as to monitor the gas pressure change in the oil bunker in real time; a communication module for performing data communication with a data processing center; the data processing center being used to receive the data collected by the information acquisition module and the signal transmitted by the communication module, and performing fault analysis and oil spill monitoring on the oil storage module and the ventilation module in real time through an onboard algorithm program; and an alarm module for sending an alarm signal when an oil spill is detected.

The multi-cavity inflatable boat comprises an inflatable boat body, a cavity is formed in an inner cavity of the inflatable boat body, isolating membranes are arranged on the front side and the rear side of the cavity, every two adjacent isolating membranes are arranged in a bilateral symmetry mode, the front side and the rear side of each isolating membrane are fixedly connected with the inner side wall of the cavity, and a protective cover is fixedly connected to the left side of the inflatable boat body. According to the inflatable boat, through mutual cooperation of the component gear, the center shaft, the roller, the rectangular plate, the containing plate, the air outlet pipe, the containing plate, the sliding plate, the annular rack and other components, when the inflatable boat needs to be inflated, the air conveying pipe is arranged in the cavity, the air conveying pipe is sleeved with the multiple isolating membranes, and the air conveying pipe is sleeved with the multiple isolating membranes, and one ends of the isolating membranes penetrate through the cavity. When a plurality of swing plates are closed, the pull rope can be pulled down to open the round opening, an external inflator is connected to synchronously inflate the multiple cavities, compared with a traditional inflation mode, the inflation efficiency is improved, meanwhile, when the swing plates are closed, the cavities can be independent, and the safety and stability of the whole boat are guaranteed.

Sound signalling apparatus (1) comprising a housing (2) and a power source (20) located within the housing (2). A circuit is mounted on the housing (2) and is coupled to the power source (20). The circuit comprises a processor (22); an audio output device (9) coupled to an output from the processor (22); a first user input device (4) coupled to an input to the processor (22); and a memory device (23) coupled to the processor (22). The memory device (23) stores data corresponding to a number of predetermined sound signals. When the processor (22) receives an input signal from the first user input device (4), the processor (22) retrieves data from the memory device (23) corresponding to one of the sound signals and in response to the retrieved data outputs an output signal to the audio output device (9) to cause the audio output device (9) to generate the sound signal corresponding to the retrieved data.

The invention discloses a ship whistle temporary air supply device and method.The ship whistle temporary air supply device comprises an air bag and a plurality of compressed air bottle sets, the air bag is a sealed tank provided with a plurality of air inlets and an air outlet, and outlets of compressed air bottles are connected with a compressed air pipe through first connecting pipes; an outlet of the compressed air pipe is provided with a pressure reducing valve used for reducing the design pressure of air from the outlet of the compressed air pipe to the ship whistle, an outlet of the pressure reducing valve is connected with an air inlet of an air bag through a second connecting pipe, and an air outlet of the air bag is communicated with an air inlet of the whistle through a pipeline. The diameters of the air outlets and the pipelines are equal to the diameters of the air inlets, the number of the air inlets is equal to the number of the compressed air bottle sets, the diameters of the air inlets are equal to the diameter of the second connecting pipe, the diameters of the air inlets are smaller than the diameters of the air outlets, and the area sum of the air inlets is larger than the area sum of the air outlets. The pressure and the flow of the conveyed gas can meet the design requirements of the ship whistle.

The invention discloses force feedback control of a marine vessel input device. A computer system (100; 600) comprises processing circuitry (102; 602), the processing circuitry (102; 602) is configured to control the force feedback unit (22) to progressively increase a force feedback applied to the input device (20) in response to a manual manipulation of the input device (20) towards a virtual stop position (VSP) defined intermediate between an equilibrium position (EP) and a mechanical end position (MEP) of the input device (20), a virtual stop position (VSP), which is a software-defined setpoint acting as an intermediate trigger for the input device (20), in which the force feedback is gradually increased until it reaches a maximum force feedback at the virtual stop position (VSP); and in response to the force of the manual manipulation of the input device (20) exceeding the maximum force feedback value, controlling the force feedback unit (22) to reduce the force feedback applied to the input device (20) at the virtual stop position (VSP).

A marine vessel includes a hull and a steering system. The steering system includes at least one nautical equipment, a steering mechanism to adjust a traveling direction of the hull, and an input terminal to receive an input from a user. The steering mechanism includes a steering wheel with an operation switch to operate the at least one nautical equipment. The input terminal is operable to allow the user to associate the at least one nautical equipment with the operation switch.

Embodiments of the present specification provide a hull-shaped unmanned submersible rescue robot for underground mines, comprising: a robot body; a sensing module; and a control device; wherein the sensing module is connected to the control device; wherein the control device is located in the robot body and is connected to a drive device of the robot body; wherein the sensing module comprises a pressure sensor and a thermal imaging sensor; wherein the pressure sensor is located at an outer bottom of the robot body, and the thermal imaging sensor is located at an outer sidewall of the robot body; wherein the pressure sensor is configured to sense a draft of the robot body and transmit the draft to the control device; and wherein the thermal imaging sensor is configured to sense a position of each individual around the robot body and transmit the position of each individual to the control device. The hull-shaped unmanned submersible rescue robot for underground mines according to the embodiments of the present disclosure is not limited by communication signals, is capable of automatically responding and searching for and rescuing personnel in the underground mines at the first time after a water inrush occurs in the underground mines, improves water inrush emergency rescue capability, and increases a survival probability of trapped individuals in the underground mines.

The application belongs to the technical field of underwater acoustic transducers, and particularly relates to an integrated vibration reduction mounting structure of a hydrophone and a sound barrier, which comprises a hydrophone, a vibration reduction frame and a sound barrier, the vibration reduction frame is provided with an accommodating opening at the top, and the vibration reduction frame is penetrated through at two sides, the hydrophone is mounted in the accommodating opening, the sound barrier is mounted in the vibration reduction frame and penetrates through the two sides of the vibration reduction frame, the sound barrier is provided with a mounting hole for accommodating the hydrophone, and the tail of the hydrophone penetrates through the mounting hole of the sound barrier and out of the vibration reduction frame, the rubber encapsulation structure outside the hydrophone and the vibration reduction frame are integrally vulcanized and formed, which is favorable for improving the connection reliability between the two and increasing the stability, and the rubber encapsulation structure provides the water-tight encapsulation function and the rubber vibration reduction function for the internal sensing elements of the hydrophone.

The utility model discloses a device for converting an automobile machine into a waterproof machine, which comprises a main machine, a conversion frame and an instrument panel, the conversion frame is sleeved at the front end of the main machine, the conversion frame and the main machine are fixed together through a second screw, the instrument panel is sleeved on the outer side of the conversion frame, and the instrument panel is fixed with the conversion frame through a third screw. The main machine is provided with a left cover and a right cover to hide the third screws, a large rubber frame is arranged at the connecting position of the main machine and the conversion frame, a groove is formed in a gap in the periphery of the large rubber frame, the interior of the groove is blocked through a sealing ring, PET pieces with single-face gum are attached to the left side and the right side of the main machine, and the outer side of the main machine is further wrapped with waterproof adhesive tape. An EVA board is arranged at the connecting position of the conversion frame and the instrument board, a large rubber frame is arranged at the connecting position of the main machine and the conversion frame, a groove is formed in the large rubber frame of the main machine, a sealing ring is filled in the groove, and the EVA board and the sealing ring form a two-layer waterproof structure. The waterproof structure has the advantages of being good in waterproof effect, low in cost and the like.

Systems and methods for controlling a remotely located very high frequency (VHF) radio are provided herein. A system includes a VHF radio comprising a communication interface, a processor, and a memory including computer program code (CPC). The CPC is configured to, when executed, cause the processor to receive and transmit data. The system further comprises a marine electronics device (MED) remotely located from and in data communication with the VHF radio. The MED comprises a display, a processor, and a memory comprising CPC. The CPC is configured to receive at least one operational setting of the VHF radio, and cause on the display presentation of the operational setting. The CPC is further configured to receive an input at the display to change the at least one operational setting and send a signal to the VHF radio to execute the change in the at least one operational setting.

A watercraft according to one aspect includes: a watercraft body; a speaker supported by the watercraft body and exposed to an external environment; and processing circuitry supported by the watercraft body. The processing circuitry is configured to: acquire status information indicating a status of the watercraft; acquire sound information; based on the sound information, generate a speaker driving current that allows the speaker to emit a sound; and modify the speaker driving current based on the status information.

The present invention relates to the technical field of shipbuilding, and specifically to a ship-based call alarm device and method suitable for disabled people. The shell has a built-in voice / vibration receiving module, an information recognition module and a control module. The voice / vibration receiving module is used to collect real-time environmental sound and vibration signals; the information recognition module includes a voice recognition module and a vibration recognition module for identifying effective information; and the control module is used to process information and issue instructions, thereby using sound and light signals to guide disabled people. The device can quickly and effectively guide disabled people to send demand signals through sound and light signals, and can provide strong support for the safety and emergency response of disabled people in extreme situations. The device has diverse application scenarios, can meet the event processing needs in different situations, and ensure the safety of disabled people.

The utility model discloses a stern propeller monitoring alarm device which is characterized in that a front sealing element and a rear sealing element are respectively arranged at the tail and the head of a power cabin, a monitoring module which is annularly arranged along a main transmission shaft is arranged in the power cabin, the monitoring module is arranged close to the front sealing element, and an image capturing module and a flow velocity detection module are further arranged in the power cabin. An alarm module is arranged in the function cabin and electrically connected with the monitoring module, the image capturing module and the flow velocity detection module at the same time. According to the utility model, the leakage of the front sealing element possibly caused by accidents is monitored in advance through the monitoring module, the monitoring module can be instantaneously triggered by a large amount of inrush seawater once the leakage occurs, and the triggering is more scientific and accurate through the buzzing of the alarm module and the structural improvement of the triggering part; the annularly arranged monitoring modules are triggered in different regions, so that the leakage position can be quickly known; a flow velocity detection module is additionally arranged to monitor slight leakage; and an influence capture module is additionally arranged, so that the leakage condition is more accurately and intuitively prevented or known.