Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

5results about How to "Extend underwater working time" patented technology

An integrated buoyancy and attitude adjustment system for manned submersibles

The present invention relates to an integrated buoyancy and attitude adjustment system for a manned submersible, comprising a manned submersible, a ballast tank unit, a main pumping assembly, an external circulation switch valve and a first switch valve, wherein one end of the external circulation switch valve is connected to the ballast tank unit in a one-to-one correspondence, and the other end is connected to the main pumping assembly, the other end of the main pumping assembly is connected to the first switch valve, and the other end of the first switch valve is communicated with an open sea environment; an internal circulation switch valve, wherein one end of the internal circulation switch valve is connected to the ballast tank unit in a one-to-one correspondence, and the other end is connected to a pipeline between the main pumping assembly and the first switch valve; the external circulation switch valve cooperates with the main pumping assembly and the first switch valve to inject or discharge seawater into or out of the ballast tank unit; the internal circulation switch valve cooperates with the main pumping assembly, the first switch valve and the external circulation switch valve to complete water injection and drainage between each ballast tank unit; the present invention overcomes the problems of complex design, high cost, high energy consumption, short endurance and low reliability of the buoyancy and attitude adjustment system.
Owner:陕西铂钰电子科技有限公司

A two-way wireless power transmission system for underwater unmanned submersibles

The present invention relates to the field of wireless power transmission, and in particular to a two-way wireless power transmission system for an underwater unmanned submersible, which comprises a wireless power transmitting device arranged at a charging station, a wireless power transceiver arranged on the submersible, and a wireless power receiving device arranged on an energy supply device; the wireless power transmitting device is used to convert DC input electric energy into alternating magnetic energy and transmit it to the wireless power transceiver; the wireless power transceiver operates in two states, receiving and transmitting. When operating in the receiving state, the wireless power transceiver is used to convert the received magnetic energy into DC electric energy to realize the charging of the submersible; when operating in the transmitting state, the wireless power transceiver is used to convert the electric energy stored in the submersible into alternating magnetic energy and transmit it to the wireless power receiving device; the wireless power receiving device is used to convert the received magnetic field electric energy into DC electric energy to realize the charging of the energy supply device. The present invention realizes two-way wireless transmission of electric energy of the submersible.
Owner:NANJING HERY ELECTRIC LTD

Underwater wireless charging intelligent mother port platform for unmanned vehicle with integration of power generation, storage and charging

The invention discloses an underwater wireless charging intelligent mother port platform for a power generation, storage and charging integrated unmanned vehicle. The underwater wireless charging intelligent mother port platform comprises a power generation system, an energy storage system and an underwater charging system, wherein the power generation system is used for generating electric energy by adopting multiple power generation modes; the energy storage system is used for storing the electric energy and providing the electric energy for the underwater charging system; the underwater charging system comprises a contactor dispatching unit and a contactor butt joint unit. The contactor scheduling unit is used for matching a cable laying type wireless charging contactor I for the unmanned aircraft; the unmanned vehicle is provided with a matched cable laying type wireless charging contactor II, and the contactor butt joint unit is used for achieving three-stage positioning butt joint of the wireless charging contactor I and the wireless charging contactor II. According to the invention, the distribution of charging resources can be optimized, the accuracy and safety of charging docking can be improved, and the unmanned underwater vehicle can be ensured to be charged quickly and safely.
Owner:NANKAI UNIV

A trash filtration and collection device for a swimming pool underwater cleaning robot

This invention discloses a waste filtration and collection device for a swimming pool underwater cleaning robot, comprising: a shell with an inlet channel and an outlet channel; the inlet channel having a confluence channel and two suction channels; the two suction channels are located at the bottom of the shell and converge to the lower end of the confluence channel; the upper end of the confluence channel extends into the inner cavity of the shell and divides the inner cavity into front and rear waste compartments; the outlet channel has a drain channel and two filter channels; the drain channel is located at the top of the shell, with a water pump impeller installed at the drain outlet at the upper end of the drain channel, and its lower end confluences and connects to the upper ends of the two filter channels; the lower ends of the two filter channels are equipped with filter screens, which correspond to the inlets of the front and rear waste compartments respectively; both ends of the confluence channel are gradually expanding openings, with the upper end guiding the flow direction towards the front and rear filter screen areas respectively. This invention can effectively reduce the flow resistance of the entire channel, reduce the power consumption of the swimming pool cleaning robot, and thus extend the effective working time of the robot.
Owner:CHINA JILIANG UNIV

A light-driven bionic octopus soft underwater robot

The present invention provides a light-driven bionic octopus soft underwater robot, comprising a power system and a control system, wherein the power system comprises a bionic arm, wherein the bionic arm comprises at least three arm units connected in sequence, wherein each arm unit comprises a cylindrical silicon elastomer, wherein each arm unit is provided with at least three power tubes, wherein the power tubes are cylindrical cavities made of light-responsive materials. The present invention can realize bending and deformation in any direction or angle, has high flexibility, and has a large operating space.
Owner:TIANJIN UNIV