30results about How to "Extend underwater working time" patented technology

The invention discloses a submarine pipeline flange underwater abutting joint installation method. A main flange connecting device is installed on the abutting joint end of a submarine pipeline A, an auxiliary flange connecting device is installed on the abutting joint end of a submarine pipeline B, the submarine pipeline A to be butted and the submarine pipeline B to be butted are connected together through the main flange connecting device and the auxiliary flange connecting device, the negative influence of the marine condition on underwater flange connection can be removed, the influence of ship shake on the movement of the submarine pipeline A and the submarine pipeline B can be removed, underwater adjusting steps of a diver can be reduced, the diver can adjust the positions of the submarine pipeline A and the submarine pipeline B conveniently, the underwater operation difficulty degree of the diver can be reduced, the underwater operation time of the diver can be shortened, the case that flanges get close to each other in an aligned manner can be ensured, the force applied to a gasket of each flange is consistent, uniform deformation is generated, and the leakproofness of the flanges can be improved. The flange connection quality can be improved, the operating time of the support ship can be saved, the construction period of the whole fleet can be shortened, the working efficiency is improved, and the installation cost is saved.

Provided is a hydraulic underwater vehicle vertical shaft ocean current power generating device, wherein two vertical shaft ocean current power generating devices are respectively mounted on the shell of the vehicle, and the mounting directions of the two vertical shaft ocean current power generating devices are opposite. Three vanes are respectively mounted on the top end of each telescopic mechanism in the vertical shaft ocean current power generating devices; the vanes rotate around a central shaft under the impact of the incoming flow; the lift force and resistance suffered by the vanes are different in different azimuth angles; and tangential force which drives a spindle to rotate is generated for enabling the vanes, the telescopic mechanisms and power generating device brackets to rotate around the vertical axis of the underwater vehicle, so as to drive a permanent magnetic rotor to rotate and cut a winding stator in order to generate an induced electromotive force, thereby changing the kinetic energy of the ocean current into electric energy which is to be used by the underwater vehicle. In the hydraulic underwater vehicle vertical shaft ocean current power generating device, the power generated by acquiring the ocean current energy is in direct proportion to the elongation and turning radius of the vanes; the problem of energy resource supply for underwater vehicle is solved; the working time of the underwater vehicle is extended; and the cost is saved.

Provided is direct driving vertical axis current power generation devices for an underwater vehicle. Two vertical axis current power generation devices are arranged on an underwater vehicle shell, and the installation directions of the two vertical axis current power generation devices are opposite. Generators are fixedly arranged in central shafts through winding stators. Threes blades are arranged at the top end of a telescopic mechanism in each vertical axis current power generation device, and the blades rotate around the central shafts under the impact of coming flows and generate tangential force driving rotating shafts to rotate, so that the blades, the telescopic mechanisms and power generation device supports rotate around the longitudinal axis of the underwater vehicle to drive inner gears connected the impeller shells to rotate and further drive outer gears and the power generators to rotate, and kinetic energy of ocean current is converted into electric energy used by the underwater vehicle. By means of the direct driving vertical axis current power generation devices for the underwater vehicle, energy supply of the underwater vehicle is achieved, the working time of the underwater vehicle is prolonged, and the cost is saved.

The invention relates to the field of underwater operating robots, and provides an underwater autonomous operating robot which is suitable for acoustic and optical detection of various underwater operating surfaces, and an operating method of the underwater autonomous operating robot. The underwater autonomous operating robot comprises an energy power module, a mechanical structure design module,an appearance design module, a master control module, a power propelling module and a functional module, wherein the master control module comprises a strong-current electronic control cabinet and a weak-current electronic control cabin; the power propelling module comprises at least two side thrusters, at least two vertical thrusters and at least one longitudinal main thruster; and the functionalmodule comprises a doppler velocity sonar, an imaging sonar, an optical camera integrated with an LED lamp, an optical communication MODEM, a depth and height meter, a front-end cloud deck and a rear-end cloud deck. The underwater autonomous operating robot provided by the embodiment of the invention is wider in detecting range, is more flexible in detecting way, and can realize autonomous operation.

The invention relates to a deep sea equipment buoyancy regulating system and a working method thereof, and belongs to the field of marine exploration equipment. The system comprises a buoyancy oil bag, an oil outlet normally open type electromagnetic reversing valve, an overflow valve, a hydraulic motor, a throttling valve, an oil outlet normally closed type electromagnetic reversing valve, an oilstorage oil bag, a controller, an oil inlet normally open type electromagnetic reversing valve, a hydraulic pump, a pressure reducing valve, an oil inlet normally closed type electromagnetic reversing valve, a one-way valve, a pressure transmitter and a flow meter, wherein the controller is connected with the flow meter, the pressure transmitter, the oil outlet normally open type electromagneticreversing valve, the overflow valve, the throttling valve, the oil outlet normally closed type electromagnetic reversing valve, the oil inlet normally closed type electromagnetic reversing valve, themotor and the oil inlet normally open type electromagnetic reversing valve through signal lines. According to the system, electric energy can be emitted by utilizing the pressure of seawater, the working state of a reversing valve of a hydraulic system is controlled, the energy consumption in the working process of the deep sea equipment buoyancy regulating system is reduced, and the working timeof deep sea equipment is prolonged.

The invention discloses a gear transmission based underwater vehicle vertical shaft current power generation device. Two vertical shaft current power generation devices are respectively installed on a vehicle casing; installation directions of the two vertical shaft current generation devices are opposite; an internal gear is fixed on the external end surface of an impeller casing end plate; external gears are fixed on shafts of the electric generators; the electric generators are symmetrically installed on the end surface at the middle section of the vehicle; three blades are respectively installed at top ends of extensible mechanisms; the blades rotate surrounding a center shaft under impact of incoming flows and generate tangential force which drive a rotary shaft to rotate and accordingly the blades, the extensible mechanisms and generation device supports rotate surrounding underwater vehicle longitudinal axes, the internal gear which is connected with an impeller casing is driven to rotate, then the external gears and the electric generators are driven to rotate, and kinetic energy of currents is converted to be electric energy for the underwater vehicle. The gear transmission based underwater vehicle vertical shaft current power generation device solves the energy supply problem of the underwater vehicle, prolongs the working time of the underwater vehicle and saves costs.

The invention discloses a life support system for a large-depth underwater target. The life support system comprises a sonar array, an integrated plug device, an acoustic beacon and an integrated plugsocket which are mounted on the underwater target, and a laying and recycling device, a centralized control device, an emergency air source device and an emergency power supply device which are mounted on a water surface platform, wherein the integrated plug device is respectively connected with the laying and recycling device, the centralized control device, the emergency air source device and the emergency power supply device through a combined umbilical cord; the integrated plug device is connected to an ROV (Remotely-Operated Vehicle). After the underwater acoustic communication is established by using the sonar array and the acoustic beacon to determine the position information of the underwater target, the ROV is controlled to move and rotate by using the centralized control deviceso as to insert the integrated plug device and the integrated plug socket; gas transmission, liquid transmission, electric energy transmission and data transmission are performed with the underwater target through the combined umbilical cord so as to implement state monitoring and material replenishment for the large-depth underwater target.

The invention relates to a modular underwater intelligent equipment platform, and belongs to the field of underwater unmanned equipment. The modular underwater intelligent equipment platform consists of a main propeller, a shell supporting bottom plate, a shell upper protecting cover, a buoyancy compensation material, a control section pressure-bearing cabin, a control system, a power system, a data storage system, a standard load cabin, a mechanical arm, a front side sprayer, a rear side sprayer, an underwater sensor, an underwater sound navigation communication system, an inertia base integrated navigation system, a satellite navigation communication system and a ballast lead block. The whole machine adopts a wet-type design scheme, and internal electronic and electrical equipment is protected by means of a modularized standard load cabin. According to the modular underwater intelligent equipment platform, the adopted standardized and modularized design scheme is high in interchangeability, online replacement, online maintenance and online charging can be achieved, the underwater working time of the modular underwater intelligent equipment platform is greatly prolonged, the recycling frequency is reduced, and the deployment cost is reduced; the load can be replaced in time according to the actual requirement of a task, and most functions of various existing underwater unmanned detection equipment can be realized.

The invention provides a light-driven bionic octopus soft underwater robot which comprises a power system and a control system, the power system comprises a bionic wrist foot, the bionic wrist foot comprises at least three wrist foot units which are connected in sequence, each wrist foot unit comprises a cylindrical silicon elastomer, at least three power tubes are arranged in each wrist foot unit, and the power tube is a cylindrical cavity made of a photoresponse material. According to the light-driven bionic octopus soft underwater robot, bending and deformation in any direction or angle canbe achieved, the flexibility is high, and the operation space is large.

The invention relates to the field of wireless electric energy transmission, in particular to a bidirectional wireless electric energy transmission system of an unmanned underwater vehicle, and the system comprises a wireless electric energy transmitting device arranged at a charging station, a wireless electric energy receiving and transmitting device arranged on an underwater vehicle and a wireless electric energy receiving device arranged on equipment needing energy supply; the wireless electric energy transmitting device is used for converting direct-current input electric energy into alternating magnetic energy and transmitting the alternating magnetic energy to the wireless electric energy receiving and transmitting device; the wireless electric energy receiving and transmitting device works in a receiving state and a transmitting state, and when the wireless electric energy receiving and transmitting device works in the receiving state, the wireless electric energy receiving and transmitting device is used for converting received magnetic energy into direct-current electric energy to charge the underwater vehicle; when the wireless electric energy receiving and transmitting device works in the transmitting state, the wireless electric energy receiving and transmitting device is used for converting electric energy stored by the underwater vehicle into alternating magnetic energy and transmitting the alternating magnetic energy to the wireless electric energy receiving device; and the wireless electric energy receiving device is used for converting the received magnetic field electric energy into direct-current electric energy to realize charging of equipment needing energy supply. Bidirectional wireless transmission of electric energy of the underwater vehicle is realized.

The invention relates to the technical field of survey, and discloses a compass bird control method and device, and the method comprises the steps: enabling a main control single-chip microcomputer to enter a first deep dormant state when the main control single-chip microcomputer does not process the work; after receiving an external interrupt signal, the master control single-chip microcomputer is switched from a first deep dormant state to a first working state; the peak detection circuit detects whether a communication carrier signal exists or not; if the peak detection circuit does not detect the communication carrier signal, the data demodulation unit is not started; and if the peak value detection circuit detects the communication carrier signal, the data demodulation unit is started to demodulate the communication carrier signal, and the communication demodulation module sends a demodulation signal obtained by demodulation to the main control single chip microcomputer. Through the above mode, the power consumption control method of the master control single-chip microcomputer and the communication demodulation module in the embodiment of the invention can greatly reduce the power consumption of the compass bird, correspondingly reduce the frequency of battery replacement of the compass bird, prolong the underwater working time of the compass bird, and improve the working efficiency of the compass bird.

The invention is suitable for the technical field of submarine pipeline maintenance and transformation, and discloses an underwater installation construction method for submarine pipeline underwater holing operation under pressure. The method comprises a mud removing step, a cement balance weight layer and anticorrosive layer removing step, a grinding step, a polishing step, a protection frame assembly skid underwater mounting step, a tapping machine assembly mounting step, a testing step, a tapping step and a dismounting step, wherein the mud removing step comprises the step of removing mud below a pre-installed mechanical tee joint part of the submarine pipeline to form a foundation pit used for providing an operation space for a diver to perform suspended operation beside the submarinepipeline. According to the method, the phenomenon that mud is raised due to the fact that the diver touches the bottom during operation can be effectively reduced, so that the visibility of seawater at a construction site is improved, the influence of tidal large water flow on diving operation is effectively reduced, and the underwater working time of the diver is prolonged; and finally, a good construction condition is created for underwater pressure tapping of the submarine pipeline under the sea condition that muddy water and tidal water flow influence is large.