23 results about "Sturgeon" patented technology

The invention relates to the technical field of aquaculture intelligence, and particularly discloses a sturgeon starvation state detection method based on generative adversarial and a YOLO model, and the method comprises the following steps: S1, collecting video image data of residual feed and feeding conditions in water flow in a sturgeon culture pond through an underwater camera; s2, optimizing and expanding the acquired video image data through the improved generative adversarial network to obtain an expanded data set; s3, carrying out pre-training on the improved YOLO-v8 model, and carrying out detection on the optimized and expanded image data in the expanded data set by utilizing the YOLO-v8 model obtained by pre-training; s4, evaluating the feeding state and the hunger state of the sturgeons. The method is suitable for residual feed statistics and fish hunger state analysis in sturgeon industrial culture, accurate data support is provided for feed feeding management, the feed utilization efficiency is optimized, the culture cost is reduced, and efficient technical guarantee is provided for intelligent aquaculture.

The utility model relates to the technical field of sturgeon culture net cages, and discloses a liftable sturgeon culture net cage which comprises an upper frame body, a lower frame body is arranged below the upper frame body, nettings are arranged between the upper frame body and the lower frame body and in the lower frame body, a lifting mechanism is arranged at the top of the upper frame body, and a lifting mechanism is arranged at the bottom of the lifting mechanism. The lifting mechanism comprises two L-shaped rods fixedly installed on the back face of the upper frame body, a top plate is fixedly installed at the tops of the two L-shaped rods, and a double-end servo motor is fixedly installed at the top of the top plate. By arranging the double-end servo motor, the rotating shaft, the winding disc and the steel wire rope, the two mounting plates can be driven to move upwards, and the two mounting plates can drive the lower frame body to move upwards, so that sturgeons in the net cage float upwards under the driving of the lower frame body, and the sturgeons in the net cage are further conveniently fished; and after fishing is completed, the interior of the net cage can be conveniently cleaned.

1. The name of the design product: clamp handle sleeve (sturgeon). 2. The use of the design product: used in the clamp handle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This utility model discloses an auxiliary device for distinguishing the sex of sturgeon, including a workbench. A water trough plate is fixedly connected to the bottom surface of the workbench, and a circulation component is provided on the bottom surface of the water trough plate. A support plate is fixedly connected to the top surface of the workbench, and a hydraulic rod is fixedly connected to the top surface of the support plate. Through the circulation component, this utility model allows water to be sprayed onto the sturgeon by a nozzle during use. The water flows from the water outlet into the interior of the water trough plate, through the outlet pipe into the interior of the filter box, where it is filtered by a filter screen. The filtered water then enters the interior of a storage tank. A water pump transports the water from the storage tank through the inlet pipe to the interior of the placement rack, where the nozzle sprays water onto the sturgeon again, thus forming a complete water circulation system. This achieves water resource reuse, saving water costs and providing a stable and clean water environment for sturgeon identification.

The application discloses an underwater pollution source sniffing device based on sturgeon nasal cavity bionics. In view of the problems of high energy consumption, loud noise, dependence on manual operation, and difficulty in quickly and accurately identifying and positioning the pollution source of the traditional water quality monitoring technology, the passive sniffing device developed by the application integrates a sturgeon nasal cavity sniffing system, an underwater propulsion system and a rudder system. The sturgeon nasal cavity structure can optimize the flow field and efficiently capture the pollution source information in water; the underwater propulsion system is responsible for realizing the movement of the device, and the rudder system cooperates with the electric control system to realize accurate control of turning; the three cooperate to form a passive sampling design, which effectively reduces the energy consumption and noise. The design not only improves the efficiency and sensitivity of pollution source monitoring, but also guarantees the stable operation of the device, and provides a feasible solution for efficient monitoring and accurate positioning of underwater pollution sources.

This utility model discloses a water purification device for sturgeon farming, including a housing with an inlet pipe extending through one side of the housing. Through the filtration mechanism, a water pipe is installed on one side of the housing, connecting to a filter drum. An inlet valve is also installed outside the water pipe. When the inlet valve is opened, water from the fishpond enters the filter drum through the water pipe. A filter screen is installed around the filter drum to trap impurities inside. Furthermore, a cleaning pipe and a cleaning valve are installed at the bottom of the water pipe. Closing the inlet valve and opening the cleaning valve allows wastewater to be discharged from the filter drum. This effectively filters impurities from the water and prevents their accumulation, which would otherwise hinder efficient separation and increase the load on subsequent treatment processes, affecting filtration quality and efficiency, and increasing the cost and difficulty of equipment maintenance and replacement.

The utility model discloses sunshade equipment for sturgeon culture, which comprises a support (1), the support (1) is arranged on the upper side of a fish pond, a first mounting seat (2) and a second mounting seat (3) are respectively arranged at the front end and the rear end of the support (1), a first wind-up roller (7) is arranged on the first mounting seat (2), a first sunshade curtain (8) is arranged outside the first wind-up roller (7), a motor (9) for driving the wind-up roller (7) to rotate is arranged on one side of the first wind-up roller (7), and a second sunshade curtain (8) is arranged on the other side of the first wind-up roller (7). A second winding roller (10) is arranged on the second mounting base (3), a second sunshade curtain (11) is arranged on the second winding roller (10), coil springs (12) are arranged on the two sides of the second sunshade curtain (11), the length of the coil springs (12) is larger than that of the second sunshade curtain (11), and the ends of the coil springs (12) are connected with the first sunshade curtain (8). The sunshade effect can be effectively improved, and the fish culture effect is improved.

The application discloses an extraction method of sturgeon oil with skin repair function, which comprises the following steps: S1, preparation of crude fish oil of fish fat; S2, preparation of crude fish oil of fish liver; S3, preparation of crude fish oil of fish skin; S4, degumming and deacidification; and S5, refining. The fish oil extracted from different parts of sturgeon is mixed according to a specific proportion, the fish fat fish oil, the fish liver oil and the fish skin oil are mixed, and three kinds of functional components are added in the extraction process respectively, i.e. dihydroquercetin (providing antioxidant protection), phosphatidylserine (enhancing cell membrane repair and nutrient absorption) and curcumin (bringing anti-inflammatory and whitening effects), so that a multiple synergistic formula system is formed, and the prepared sturgeon oil is significantly enhanced in the repair function on the skin, and the bioavailability and stability of the product are improved.

The utility model discloses a kind of sturgeon breeding's feeding device, it is related to sturgeon breeding technical field, including box, the top of the box is equipped with top cover by two hinges of symmetrical arrangement, the upper surface of the top cover is fixedly connected with handle, the inside of the box is provided with flow guide slope, the sidewall of the box is equipped with extension box, the side of the extension box away from the box is provided with movable plate.The utility model relies on the kinetic energy provided by bait granule of push plate to fly outwards, finally is scattered to sturgeon breeding pond to feed, simultaneously relying on the elasticity of push plate itself and elastic cord, can be adjusted feeding distance according to the accumulation height of bait, make bait distribution to different area in breeding pond, avoid because feeding is more concentrated to lead to sturgeon stress and rush to eat and thus cause harm to each other, simultaneously relying on the cutting effect of elastic cord to bottom bait, can reduce the close degree of bait accumulation, avoid because the bottom of box is blocked to lead to that feeding efficiency is reduced.

This invention relates to the field of sturgeon farming technology and discloses a feed dispensing device for sturgeon farming, including a feeding barrel. A transmission sleeve is fixedly connected to the left side of the feeding barrel, and a feeding sleeve is fixedly connected to the right side of the transmission sleeve. A discharge cylinder is hinged to the inner right side of the feeding barrel, and a discharge port is opened on the upper surface of the discharge cylinder. A feeding roller is fixedly connected to the left side of the discharge cylinder, and a drop port is opened on the rear side of the feeding roller. In this invention, the elastic reset action of the torsion spring drives the discharge cylinder and the feeding roller to rotate and reset. At this time, the drop port faces backward, and the feed in the feeding roller cannot fall into the feeding barrel, which facilitates quantitative feeding and prevents feed from being fed too quickly and causing waste. The feeding roller and the discharge cylinder continue to rotate and reset, so that the feed intermittently and automatically falls from the feeding roller into the feeding barrel and the feeding sleeve, avoiding feed waste and improving feeding efficiency.

The invention relates to the technical field of aquaculture, in particular to a weather-based self-adjustable liquid oxygen device for sturgeon culture, which comprises a culture box and a heating box arranged on the right side of the culture box and used for temporarily storing and heating water, and a conveying mechanism used for conveying water in the heating box into the culture box is mounted at the top of the heating box. A connecting pipe is fixedly connected between the heating box and the breeding box, and a check valve is mounted on the surface of the connecting pipe; when water in the stirring box is stirred and discharged every time, the positions and angles of the liquid oxygen pipe and the spray head can be adjusted at the same time, so that the situation that supplied oxygen is concentrated on one side is avoided, and it is guaranteed that oxygen can be supplied at different positions and different angles in the breeding box; when the liquid oxygen tank is replaced, liquid oxygen cannot be provided temporarily, water conveyed into the breeding box from the heating box can have enough oxygen content, and the situation that the breeding quality is affected due to the fact that the oxygen content is reduced is avoided.

The invention discloses a method for efficiently and greenly extracting sturgeon skin gelatin, and particularly relates to a method for efficiently and greenly extracting fish skin gelatin by using a choline-amino acid eutectic solvent, which comprises the following steps: crushing fish skin, soaking in a choline-neutral / alkaline amino acid eutectic solvent and an aqueous solution thereof, extracting for 0.5-5 hours, filtering, washing, and drying to obtain the sturgeon skin gelatin. The gelatin extraction rate can reach 90% or above; adding 3-8 volume of precooled organic solvent into the extracting solution, and standing for 8-16 hours at the temperature of below 10 DEG C, wherein the recovery rate of the gelatin precipitate can reach more than 90%; and washing and drying the precipitate to obtain a gelatin product which has the gel strength of 135 g and the amino acid composition consistent with that of the type A gelatin and conforms to the national standard of edible gelatin. According to the method, the traditional acid-base pretreatment step is abandoned, the process time consumption is greatly shortened, and a new way is provided for high-value utilization of fish processing byproducts and development of a green gelatin production process.

The utility model relates to the technical field of sturgeon culture, and discloses a sturgeon culture pond floating object salvaging device which comprises a round culture pond, a salvaging mechanism is arranged in the round culture pond, and the salvaging mechanism comprises a supporting column, a motor box, a lifting assembly, a gear motor, a mounting rod, two connecting rods, a pushing plate, a salvaging plate and a mounting assembly. The supporting column is arranged at the circle center of the inner bottom wall of the circular culture pond. By arranging the motor box, the gear motor and the connecting rod, the pushing plate can rotate anticlockwise in the circular culture pond, in the anticlockwise rotation process of the pushing plate, sundries on the water surface can be gathered on the side, close to the fishing plate, of the pushing plate, and therefore the sundries can be gathered, and after the sundries are gathered, the sundries can be fished out of the round culture pond. The pushing plate, the salvage plate and the like can be driven to move upwards through the supporting column and the lifting assembly, so that the salvage plate can drive sundries above the salvage plate to break away from the water surface, and salvage of the sundries is achieved.

A portable morphological measuring ruler for naked-bellied sturgeon belongs to the field of aquaculture technology. The concave frame has its open end facing downwards. The horizontal end of the concave frame is fixedly connected to a handle. A sliding hole is provided along the length of the right side wall of the concave frame, containing a support mechanism. A threaded hole is provided on the left side wall of the concave frame, threadedly connected to a threaded rod. One end of the threaded rod is rotatably connected to one end of a push plate, and the other end of the push plate is fixedly connected to a second anti-slip pad. The second anti-slip pad corresponds to the first anti-slip pad and is fixed to the inner right wall of the concave frame. A second sliding hole is provided along the length of the horizontal end of the concave frame, containing a length measuring mechanism. The outer wall of the concave frame is rotatably connected to the head measuring ruler. This invention, through its scientific structural design, ensures measurement accuracy and comprehensiveness while also considering ease of operation and protection of the fish. It can meet the needs of morphological measurement of naked-bellied sturgeon in different scenarios and has high practical value.

The utility model discloses an automatic oxygenation device for large-scale cultivation of sturgeon with naked abdomen, and relates to the technical field of aquaculture. The automatic oxygenation device comprises a fixing pile, an oxygenation machine and a dissolved oxygen sensor, a transverse rod is fixedly arranged on the surface of the fixing pile, a floating air bag is fixedly arranged at the other end of the transverse rod, a transverse plate is fixedly arranged at the top end of the fixing pile, a rotating mechanism is arranged at the top of the transverse plate, and the dissolved oxygen sensor is arranged on the rotating mechanism. And an extension mechanism is arranged on the surface of the rotating mechanism. The device is fixed in the middle of an aquaculture pond through the fixing piles, the aerator and the hose are driven by the rotating mechanism to rotate in a reciprocating mode, the aerator injects oxygen into water through the hose, the distance between the end, away from the aerator, of the hose and the aerator can be adjusted through the extending mechanism, and therefore the oxygen injection range is adjusted; the rotating mechanism drives the aerator and the hose to rotate in a reciprocating mode, and it is ensured that oxygen can be evenly distributed in the whole area of the aquaculture pond.

The invention discloses a primer group, a kit and a method for rapidly and visually detecting components of Huso dauricus, and belongs to the technical field of nucleic acid detection of fish products. The primer combination provided by the invention is specially adapted to a rapid nucleic acid detection scene, and a detection process can be started by only adding DNA of a sample to be detected into a prefabricated LAMP reaction mixed solution and by virtue of a conventional constant-temperature device. The whole detection period is only 35 minutes, complex instrument assistance is not needed, and result judgment can be completed by observing the color development state of the reaction liquid with naked eyes. The method has extremely high specificity and high detection sensitivity, and the lowest detection limit can reach 5 ng genome DNA or the mass fraction of the Huso dauricus component in a sample is 1%. Besides, the detection result is excellent in stability and good in reproducibility, and the method has the characteristics of simplicity and convenience in operation and low cost, is particularly suitable for grassroots agricultural fry breeding units with limited capital investment, and can adapt to detection scenes with resource shortage, such as field supervision and sampling inspection, rapid port clearance and the like.

The utility model provides a portable caliper device for accurately measuring the diameter of a hybrid sturgeon roe, which comprises a mounting seat, an accommodating cavity is formed in the mounting seat, an accurate measuring mechanism for the diameter of the hybrid sturgeon roe is arranged on the outer side of the mounting seat, a supporting plate is placed in the accommodating cavity, a placing groove is formed in the supporting plate, and the accommodating cavity is provided with a clamping groove. And the hybrid sturgeon egg diameter accurate measuring mechanism comprises an electronic caliper placed in the accommodating cavity. According to the portable caliper device provided by the utility model, the electronic caliper is combined with the microscope, so that the problems in the prior art are effectively solved, the microscope can be used for clearly observing sturgeon roes, the roes are prevented from being excessively extruded when the electronic caliper is used for measurement, and the measurement precision is ensured; meanwhile, the device is compact in structure, all the components such as the electronic caliper and the microscope are convenient to mount and carry through reasonable design (such as rectangular mounting rings and bolt fixation), the dual requirements for portability and accuracy in practical application are met, and the defects of a traditional measurement mode are overcome.

The application discloses a kind of fishery abnormal retention behavior determination methods for sturgeon breeding pond, comprising the following steps: step S1: obtain the sonar image of fish school by multiple imaging sonar equipment, generate panoramic sonar graph;Step S2: the adaptive threshold segmentation is carried out to the panoramic sonar graph based on echo intensity statistical characteristics, and fish school target area is extracted;Step S3: based on the spatial structure characteristics of sonar echo, extract pool bottom echo boundary line and divide bottom layer area;Step S4: the bottom layer distribution density and movement intensity of fish school are calculated;Step S5: the bottom layer retention time of fish school is calculated;Step S6: bottom layer distribution density, movement intensity and retention time are fused to construct abnormal determination model, realize fish school abnormal retention state detection.The application is suitable for the behavior monitoring of industrialized sturgeon culture, can provide accurate data support for sturgeon health management, effectively improve the detection rate of sturgeon abnormal behavior, provide reliable technical support for intelligent aquaculture system.

The utility model relates to the technical field of hatching ponds, and discloses a sturgeon hatching pond which comprises a hatching pond body, a pore plate is slidably connected into the hatching pond body, an inclined plate is arranged on the inner bottom wall of the hatching pond body, a lifting mechanism is arranged on the outer side of the hatching pond body, the output end of the lifting mechanism is connected with the pore plate, and the output end of the lifting mechanism is connected with the inclined plate. The lifting mechanism comprises two U-shaped plates, two guide rods, two lifting plates, two electric push rods, two connecting rods, two connecting blocks, two mounting assemblies and two limiting assemblies. Through the arrangement of the guide rod, the lifting plate, the electric push rod, the connecting rod, the connecting block and the mounting assembly, the pore plate can move upwards or downwards, when the pore plate moves upwards, the pore plate can drive fish eggs accumulated on the upper portion of the pore plate to move upwards, at the moment, the pore plate moves downwards, and the accumulated fish eggs can float in water; meanwhile, the pore plate can be discharged out of the hatching pond to be cleaned or replaced.

The invention relates to the technical field of sturgeon culture, in particular to a sturgeon seawater domestication system which comprises a culture pond, a fresh water pond and a seawater pond which are used for adjusting the salinity of a water source on the inner side of the culture pond are arranged on one side of the culture pond, and two sets of connecting pipe systems are communicated among the culture pond, the fresh water pond and the seawater pond. Wherein one set of connecting pipe system is a water source filtering, recycling, classifying and storing system, and the other set of connecting pipe system is a salinity adjusting and reinjecting system; according to the invention, two sets of independent connecting pipe systems are arranged among the fresh water pool, the seawater pool and the culture pool, so that the structural integration of two core functions of water source filtration, recovery and classified storage and salinity adjustment and reinjection is realized; and the electromagnetic directional valve is matched with the reverse osmosis filter and the multi-layer filter box to purify, recycle and recycle the discharged mixed water source, so that the consumption of fresh water and seawater is reduced.

The utility model relates to the technical field of mountainous area sturgeon culture, and discloses a mountainous area sturgeon culture net cage which comprises a cage body, the cage body is composed of a bottom plate, stand columns and a four-side net body, the stand columns are provided with installation parts used for installing the net body, and the stand columns and the bottom plate are provided with limiting assemblies. Through the installation part and the limiting assembly, a sliding block is pulled to move towards the side close to a fixing hook, meshes in one side of a net body are hung on the fixing hook, meshes in the other side of the net body are hung on an auxiliary hook, and after limitation on the sliding block is relieved, the sliding block moves towards the side away from the fixing hook under the action of a connecting spring; and when the net body on one side needs to be replaced independently, only the corresponding sliding block needs to be pulled, so that the net body is not tightened any more, the net body can be rapidly replaced, and use is convenient.

The utility model discloses a kind of sturgeon breeding well water aeration oxygenation device, it includes fixed bottom plate, the upper surface of fixed bottom plate is fixedly connected with well water breeding cylinder, the side inner wall of well water breeding cylinder is fixedly connected with horizontal fixed link, the horizontal fixed link is located at four corners of well water breeding cylinder, the end of horizontal fixed link is fixedly connected with fixed collar, the fixed collar is sleeved with annular oxygen delivery pipe, the annular oxygen delivery pipe is fixedly connected with vertical oxygenation pipe, the vertical oxygenation pipe is communicated with annular oxygen delivery pipe, the vertical oxygenation pipe is evenly arranged on annular oxygen delivery pipe, the annular oxygen delivery pipe is fixedly connected with gas delivery pipe, the gas delivery pipe is sleeved with well water breeding cylinder;By annular oxygen delivery pipe, vertical oxygenation pipe and aeration pipe composition oxygenation structure, water in well water breeding cylinder can be oxygenated from multiple positions, oxygenation process is more rapid and uniform, and oxygenation efficiency and effect are improved.

The utility model relates to the technical field of feed mixing, and discloses a sturgeon feed mixing device which comprises a bottom plate, a mixing tank is arranged at the top of the bottom plate, a vertical plate is fixedly mounted at the top of the bottom plate, a mounting block is fixedly mounted on the right side of the vertical plate, the mixing tank is fixedly mounted in the mounting block, and the vertical plate is fixedly mounted in the mounting block. A feeding mechanism is arranged at the top of the mixing tank, a stirring mechanism is arranged in the mixing tank, and the feeding mechanism comprises a discharging box communicated with the top of the mixing tank. Through mutual cooperation of the discharging pipe, the electric valve, the weighing frame, the rotating shaft, the weight sensor module, the driving assembly and the like, raw materials in the two material containing boxes can quantitatively fall down, so that the adding amount of various raw materials can be controlled, the accurate proportion of nutritional ingredients of the feed is guaranteed, the quality of the sturgeon feed is improved, and the working efficiency is improved. And through the stirring mechanism, the mixing uniformity of the raw materials during stirring can be ensured, and the feed mixing quality is improved.