37 results about "Deep sea creature" patented technology

The invention belongs to the technical field of deep-sea creature sampling, and particularly relates to a sampling tool. According to the technical scheme, a shovel type deep-sea creature sampler comprises a base body (1), a front cover (2), a back cover (3), a T-shaped handle (4), a pressing plate (5), a rack (6), a gear (7), a shaft (8), a pressing block (9), a connecting plate (10), a connecting rod (11), a tension spring (12), a guide rod (13) and a guide groove (14). The shovel type deep-sea creature sampler is arranged on an ROV or a manned submersible vehicle, and when the deep-sea creature sampling needs to be carried out, a mechanical arm grabs and holds the T-shaped handle, and after the shovel type deep-sea creature sampler is moved to the appropriate position, the pressing plate is abutted and pushed to the back cover through a hydraulic device of the mechanical arm of the ROV or the manned submersible vehicle, and then the front cover is opened through the guide rod. When the shovel type deep-sea creature sampler is moved and creatures needing to be sampled enter the base body, the force of the hydraulic device of the mechanical arm of the ROV or the manned submersible vehicle is released, and the front cover is closely attached to the base body again and is closed tightly through the tension spring.

The invention relates to a pumping type deep-sea organism collector which comprises a collecting cylinder. A seal is fixedly connected to one end of the collecting cylinder. The other end of the collecting cylinder is fixedly connected with a water pump support cylinder. A water pump propeller is disposed in the water pump support cylinder. A cable is connected to the periphery of the water pump support cylinder. A partition is disposed at the connection of the collecting cylinder and the water pump support cylinder. The seal is hinged to semi-circular doors symmetrically disposed in the collecting cylinder. An elastic device is further disposed between the seal and the semi-circular doors. The pumping type deep-sea organism collector has the advantages that the collector is simple in structure and simple to operate, strong siphon water flow can be generated through the water pump propeller, long-distance deep-sea movement and fast capturing of static organisms are realized effectively, fast opening and closing of the semi-circular doors are achieved through the spring, suction of organisms is achieved effectively by the hollow partition disposed at the connection of the water pump support cylinder and the collecting cylinder, the organisms can be prevented from being drawn into the water pump propeller and damage, and repeated capturing is achieved.

The invention discloses a deep sea culture ship, and belongs to the technical field of culture devices. The deep sea culture ship comprises a ship body and a culture cage, wherein the two sides of theship body are horizontally connected with lateral plate; the culture cage is fixedly connected to the lower sides of the lateral plates, and the bottom face of the culture cage is lower than the water line of the ship body. The bottom of the culture cage is fixedly connected with a buoyancy force regulating assembly, the buoyancy force regulating assembly comprises a sealed buoyancy tank, the buoyancy tank is connected with a water pump on the ship body through a second connecting pipe, first air pipes are arranged in the buoyancy tank, end openings in the two ends of each first air pipe areformed in the outer portions of the two side faces of the buoyancy tank, the first air pipes in the buoyancy tank are communicated through first connecting pipes, and the first connecting pipes are further connected with an air pump on the ship body. Cage culture operation is conducted by effectively utilizing the common ship body, deep sea culture of fishes is achieved, the culture pollution is low, the influence of storms on the modified ship body is low, and the survival rate of cultured objects is high.

The invention belongs to the technical field of development equipment of ocean resources and discloses a deep-sea triggered active type creature trap and a control method. A completely-open type trapping inlet is formed through inserting a pin of a driving mechanism into a center fixing shaft and a center moving sleeve and setting relative positions of a moving frame and a fixing frame; and when the trap performs deep-sea creature trapping on a seafloor, a trigger mechanism is in an open state, the trigger mechanism is in an operating state for closing the trap when bait wrapping the outer side of the trigger mechanism stresses a certain snap-in force, and response is transferred to the driving mechanism in time through a cable. According to the deep-sea triggered active type creature trapand the control method, by adopting the completely-open type trapping inlet, the possibility that deep-sea creatures enter a trapping area is greatly increased; and by adopting the active trigger mechanism, creatures such as fishes can be specifically trapped, timely triggering can be achieved, and thus, rapid control and response are achieved, so that the creature trap has the trapping characteristics of stability, accuracy and rapidness, the pertinency is relatively high, and the success rate of trapping is relatively high.

The invention discloses a deep-sea organism trapper capable of improving the trapping efficiency. The deep-sea organism trapper includes a central barrel and collecting barrels. Each collection barrel includes a first barrel body, a second barrel body, and a collection net; a frequency signal emitter is arranged on the bottom of the first barrel body; the first barrel body and the second barrel body are relatively and detachably clamped to form a space having a sealed interior; sliding ways are arranged on side walls of the first barrel body and the second barrel body; the first barrel is welded onto a bottom end of the central barrel; a hydraulic telescopic hand is arranged between the second barrel body and the central barrel; the hydraulic telescopic hand is connected to a hydraulic pipe; the hydraulic telescopic hand stretches or contracts, the second barrel body is separated from or connected to the first barrel body along the sliding way; the collection net is cylindrical sealed net having through holes formed in the net body, and is movably arranged in the sealed spaced formed by the first barrel body and the second barrel body; a pressure-resisting camera is movably connected to an upper end of the collection net; an organism trapping opening is formed in a side wall of the collection net; and the first barrel body and the second barrel body are separated from each other, and deep-sea organisms enter the collection net. The deep-sea organism trapper can match a Dragon submersible vehicle, and can improve the trapping efficiency.

The invention discloses a zero-sample deep-sea biological picture classification method based on multiple classifiers. The method comprises the following steps that (1) image feature data importing, wherein a data set is composed of visual features, semantics and label information of visible categories and invisible categories, common marine organism categories with labels serve as the visible categories, and deep-sea organism categories lack of data serve as the invisible categories; (2) class specific classifier training: utilizing visible class data training to establish different visual semantic mappings for different classes on the basis of reserving a manifold structure so as to improve the classification accuracy of the visible classes; and (3) inferring the invisible category, migrating the weight between the visible category and the invisible category semantics, synthesizing a mapping matrix of the invisible category by using the mapping matrix of the visible category, and obtaining the label of the invisible category according to the distance. According to the method, the influence of mapping domain drift is reduced to a certain extent, and the method is accurate and feasible.

The invention relates to a deep-sea organism capturing and culturing technology, and aims to provide a deep-sea multicellular organism pressure-maintaining capturing and long-term culture device. The two ends of a pressure maintaining cavity of the device are open, and movable end covers are arranged on the inner side for sealing; a spring sleeve mechanism is arranged in the pressure maintaining cavity in parallel, an inner sleeve and an outer sleeve are in coaxial interference fit, and the two ends of a spring are fixed to a movable end cover. The outer side of the movable end cover is connected with a damping release mechanism; the pressure maintaining cavity is further connected with an energy accumulator system, a fresh seawater conveying system and a food feeding system. By adopting a sealed triggering structure, the structure of the biological pressure-maintaining sampling equipment is simplified, the weight is reduced, and the operation is simple and convenient. The two ends of the pressure maintaining cabin are sealed by the movable end covers, and the movable end covers are powered by the spring sleeves, so that the design of a motor, an oil cylinder and a transmission structure which are possibly added is omitted, the overall structure is simplified, and the cost is saved. The matched culture system can provide seawater circulation renewal, oxygen supply and physical nutrition supply for multicellular organisms.

The invention belongs to the field of deep-sea sampling specimen preparation and particularly relates to a device for preparing a deep-sea sampling specimen. The device comprises a base and a device body, wherein the device body is arranged above the base and is used for containing a marine organism specimen; the top of the device body is connected with a turnover cover for movably sealing the device body in a turnover manner; the base is provided with a turnover hydraulic cylinder for controlling turnover of the turnover cover; and the device body is also provided with a specimen preparation mechanism for preparing the specimen from marine organisms. Compared with the prior art, the device has the advantages and the positive effects that field preparation of the deep-sea organism specimen is effectively achieved by providing the device for preparing the deep-sea sampling specimen and using various matched parts, the deep-sea organism specimen completely reserves the growing and living state, observation is facilitated, and accurate experimental data is obtained; and meanwhile, the device is reasonable in structure, convenient to operate and suitable for large-scale popularization and application.

The invention relates to a deep-sea organism pressure-maintaining sampling device, and aims to provide a push rod sealed macro organism trapping pressure-maintaining sampler based on a deep-sea submersible. The sampler comprises a hollow pressure maintaining cylinder body, open holes are formed in the two opposite side walls of the pressure maintaining barrel respectively, and a cylindrical sampling push rod capable of moving in the axial direction is arranged in the two open holes in a penetrating mode. Limiting end covers are arranged at the two ends of the sampling push rod respectively, a long groove hole is formed in the position close to the bottom limiting end cover, and a handle is installed on the top limiting end cover. A locking device is arranged at at least one opening of the pressure maintaining cylinder, a locking part is arranged on the limiting end cover on the same side as the locking device, the locking device and the limiting end cover are assembled to limit the axial displacement of the sampling push rod, and the sampling push rod is used for blocking the two openings of the pressure maintaining cylinder to seal the inner cavity of the pressure maintaining cylinder. The sealing mechanism is light in weight, simple to operate and capable of accurately sampling at fixed points; the operation difficulty of a mechanical arm is reduced, and non-sampling-depth organisms can be prevented from entering the sampler in the lowering process.

The invention relates to a deep-sea living organism ultrasonic detection system. The deep-sea living organism ultrasonic detection system provided by the invention comprises a body frame, an ultrasonic probe module, an organism fixing module, a control module and a power supply module, can perform in-situ living body detection on trapped deep-sea organisms, and brings recorded information back to the water surface; real and reliable living organism research can be completed without leaving the original living environment of organisms, and biological information and micromechanisms can be reflected more truly and accurately.

The invention discloses a method and device for determining the size of an object to be measured in an image and a storage medium. The method comprises the following steps: acquiring a to-be-measured image; extracting pixel points satisfying a preset condition in the to-be-measured image as a first feature point and a second feature point; calculating a pixel distance between the first feature point and the second feature point; obtaining the physical distance of the unit pixel according to the pixel distance and the physical distance between the first feature point and the second feature point; and measuring the pixel length of the to-be-measured object contained in the to-be-measured image, and obtaining the size of the to-be-measured object according to the pixel length and the physical distance of the unit pixel. The method and the device for determining the size of the object to be measured in the image can be widely applied to deep-sea organism monitoring research and deep-sea organism size measurement, and have the advantages of automation, accuracy, rapidness and the like.

The invention relates to a method and a system for evaluating a deep sea ecosystem by utilizing bioacoustic characteristics. The method comprises the following steps: acquiring acoustic signals of various organisms in a deep sea ecosystem; according to the acoustic signal, determining deep-sea organism types and the number of deep-sea organisms; training a neural network model according to the acoustic signal, the deep-sea organism type and the deep-sea organism quantity to obtain a trained neural network model; acquiring a deep-sea bioacoustic signal of the sea area to be measured; and inputting the deep-sea organism acoustic signal of the sea area to be measured into the trained neural network model for prediction to obtain the deep-sea organism variety and quantity of the sea area to bemeasured. According to the invention, a specific sea area can be observed for a long time, and the surrounding environment is not damaged.

The invention belongs to the field of large organism high-pressure culture simulation experiment research, and particularly relates to a deep-sea large organism high-pressure transfer device and a deep-sea large organism high-pressure transfer method.The transfer device comprises a high-pressure cabin body, a rotating mechanism, a transfer channel, a transfer high-pressure cabin and a fixing structure, and the high-pressure cabin body serves as a deep-sea organism high-pressure culture cabin; the transfer high-pressure cabin is a biological sample transfer and acquisition cabin, the rotating mechanism and the transfer channel are essential mechanisms for deep-sea organism transfer, and the fixing structure is a structure for realizing deep-sea large organism high-pressure fixation. In the high-pressure transfer process, the large biological high-pressure transfer technology under high pressure is achieved through the transfer device; and the material is a stainless steel material with strong corrosion resistance.

The invention relates to a deep-sea breeding system. The deep-sea breeding system comprises a stabilizing frame, breeding units and a floating ball, wherein each breeding unit comprises a breeding frame, a separation net is arranged on the outer side of each breeding frame, and the breeding units are in flexible connection with the stabilizing frame; and a GPS (Global Positioning System) signal transmitting device is arranged in the floating ball, and the floating ball is fixedly connected with the stabilizing frame through a chemical fiber cable. According to the deep-sea breeding system provided by the invention, the stabilizing frame is particularly arranged, the breeding units are arranged in the stabilizing frame in a manner of flexible connection, and the breeding units are used for artificial breeding of deep-sea living beings. Besides, the floating ball is also connected to the stabilizing frame, and the GPS signal transmitting device is arranged in the floating ball, so that global positioning of the system can be realized, and the problem that the breeding frames are lost in the prior art is solved. The stabilizing frame arranged in the deep-sea breeding system disclosed by the invention can provide first-class stabilization for the breeding units, the breeding units are in flexible connection to the stabilizing frame, and the flexible connection manner can provide second-class stabilization, so that the deep-sea breeding stability of the system is improved to the utmost extent.