503 results about "Fish farming" patented technology

The invention relates to the technical field of fish culture water treatment equipment, in particular to a schizopygopsis malabaricus culture water circulation device which comprises a water inlet pipe, a filter plate is arranged at a port of the water inlet pipe, the water inlet pipe is communicated with one end of a temperature control channel and one end of an aeration channel, and the other end of the temperature control channel and the other end of the aeration channel are communicated with a water outlet pipe; the inner wall of the temperature control channel is fixedly connected with two heat conducting plates, one heat conducting plate is fixedly connected with the inner wall of one side of the temperature control channel, the other heat conducting plate is fixedly connected with the inner wall of the other side of the temperature control channel, and the heat conducting plates are hollow. After hot water or ice water is fed into the first containing cavity, the hot water or the ice water penetrates through the heat conduction plates and enters the second containing cavity, the temperature of the heat conduction plates can be increased or decreased, the hot water or the ice water is located in water flow between the heat conduction plates, the water flow is surrounded by the hot water or the ice water, and the heat exchange efficiency is further improved.

The invention discloses an intelligent fish culture automatic control system and method based on the Internet of Things, and relates to the technical field of aquaculture control, the system comprises a data sensing unit used for collecting water quality parameters, environment parameters and fish behavior information of a culture environment in real time by using a multi-parameter water quality sensor and an environment sensor; the intelligent control unit is used for executing a multi-parameter association control algorithm and an early warning control strategy based on the breeding environment data and executing a control instruction to adjust breeding environment parameters; the network communication unit is used for establishing data communication connection between the local and the cloud; the remote application unit is used for remote monitoring and manual intervention; the intelligent control unit comprises a main control module which is used for establishing an ammonia nitrogen driven dissolved oxygen early warning control strategy according to the water quality parameters and generating a stage treatment instruction in combination with the environmental parameters. Multiple sensors and an automatic control algorithm are integrated, water quality parameters can be monitored in real time, and the fish culture environment can be automatically adjusted.

The invention provides a method and a device for efficiently proliferating sepiella maindroni by combining grazing and raising, and belongs to the field of aquatic animal proliferation. An efficient breeding method for sepiella maindroni integrating grazing and breeding comprises the following steps that an appropriate sea area is selected, fertilized eggs are bred in a breeding facility laid in the downstream direction of a normal fish breeding net cage, namely an empty net cage containing an artificial floating reef, the periphery of the empty net cage is provided with an algae-mussel flow blocking ecological rope, and a cover net is arranged above the empty net cage; the newly hatched cuttlefish can stay in the proliferation facility empty net cage for a long time due to the characteristics of loving reefs and drilling the net and strong space awareness, and slowly escape into natural water after gradually adapting to the proliferation environment. According to the proliferation method, cuttlefishes gradually adapt to the natural environment of the sea area, meanwhile, cuttlefish larvae are well protected enough in the fragile incubation initial stage through protection measures such as net cages, and therefore the proliferation survival rate and the maintenance efficiency are improved, and efficient proliferation is achieved.

The utility model discloses an integrated gapless full water injection fish tank table which comprises a fish tank table body composed of a sealed tank body and supporting legs. The sealing cylinder body is communicated with a circulating pipeline with a circulating pump, the circulating pipeline is provided with an auxiliary water return groove with an upper opening structure, the liquid inlet end of the circulating pipeline vertically and upwards penetrates into the cylinder in a sealing mode from the bottom wall of the sealing cylinder body to form a suction section which slides up and down to adjust the height, and the suction section is provided with an opening and closing valve. And a corrugated pipe adjusting section positioned outside the sealing cylinder body is arranged on the circulating pipeline close to the suction section. The fish tank has the advantages that water circulation in the sealed tank body is easily realized, the oxygen content of water in the tank body is ensured to facilitate fish culture, and meanwhile, excrement of fishes during fish culture can be circularly removed; in addition, the suction section located at the liquid inlet end of the circulation pipeline can easily suck air and fish excrement in the sealed tank body, air-free full water injection of the sealed tank body is achieved, gaps are prevented from being reserved in the tank, and the ornamental value is greatly improved.

The invention relates to the field of fish and vegetable comprehensive cultivation, in particular to a photovoltaic fish and vegetable symbiotic system which comprises a photovoltaic system, a fishery breeding system and a circulating purification system, a fishpond is arranged below a photovoltaic panel, net cages are arranged in the fishpond for fish breeding, the circulating purification system is arranged around the fishpond, and water is pumped in the fishpond through a pump station; water quality purification and water quality maintenance are carried out on the pumped water through a precipitation filtration system, a microfilter, a hydroponic vegetable system and an ultraviolet disinfection system in sequence, so that the water body in the pond is ensured to fully and circularly flow, and the concentration of chemical substances such as ammonia nitrogen, nitrite nitrogen and the like which are harmful to fishes is reduced. Through the synergistic effect of all parts of the photovoltaic fish and vegetable symbiotic system, the problem that the water quality in the aquaculture environment under the photovoltaic panel is prone to deterioration is effectively solved, and the aquaculture benefits are improved.

The utility model discloses a splicing device of a net cage for fishery breeding, which belongs to the technical field of fishery breeding and comprises the net cage, the net cage comprises an annular rod mounted at the top of the net cage, two groups of connecting pieces are respectively mounted on the periphery of the net cage, and locking fasteners for fixing the net cage are mounted at two ends of each connecting piece. The connecting pieces and the locking pieces on the outer sides of the net cages can be spliced and installed with other net cages from four directions, the distance between the two net cages can be adjusted through the connecting pieces, the connecting pieces and the annular rods on the tops of the net cages can be conveniently locked and fixed through the locking pieces, and the problems that distance adjustment is inconvenient to conduct according to the needed breeding density, and the breeding cost is low are solved. And dismounting and mounting operations of the connecting structure and the net cage are tedious, the connecting structure is inconvenient to dismount and mount for maintenance or replacement, and the convenience and practicability of splicing and mounting of the net cage are affected.

The present invention provides a sunlight factory recirculating aquaculture system and method, belonging to the technical field of aquaculture. The sunlight factory recirculating aquaculture system includes a fish pond and a fiber rotary disk filtration system; the fiber rotary disk filtration system can remove large-particle-size particulate matters in the culture water and regularly harvest microalgae, and the treated water quality meets the fishery culture standard, and 97% of the culture water can be directly recycled. In the present invention, during the in-situ cultivation of microalgae and fish, the microalgae can convert nutrients such as CO2 exhaled by the fish and nitrogen and phosphorus in the culture water body into substances of the microalgae cells themselves, such as proteins, polysaccharides, vitamins, and lipids, and release oxygen, rapidly improving the culture water quality; the in-situ cultivation of microalgae and fish gives play to the advantage of the high photosynthetic efficiency of the microalgae, and the rapidly growing microalgae provides a suitable growth environment for the fish. The sunlight factory recirculating aquaculture system and method of the present invention can achieve high-density, high-stability, and low-energy-consumption recirculating aquaculture.

The invention relates to the technical field of fish culture feeding, in particular to a vision-based fish self-adaptive feeding method and device, and the method comprises the following steps: sequentially carrying out attraction feeding operation and formal feeding operation on fishes in a culture area; after the formal feeding operation, obtaining a feeding video of the fish; according to the ingestion video, obtaining an average ingestion behavior quantitative index of the fish; and obtaining a feeding judgment result according to the average feeding behavior quantitative index, and performing adaptive feeding on the fish according to the feeding judgment result. According to the method, the ingestion desire of the fish school can be represented on the basis of the quantized fish school ingestion behavior, and accurate feeding of the fishes in the breeding area is achieved.

The utility model discloses a wharf boat cultivation cabin which comprises a boat body, and a cabin structure is arranged in the boat body. The cabin structure comprises an inner cabin partition plate, a water supply cabin, a breeding cabin, a first partition plate, a second partition plate, a first water pump and a first water conveying pipe. The number of the inner cabin partition plates is two, the two inner cabin partition plates are fixedly connected to the two sides of the interior of the ship body, and the breeding cabin is formed between the two inner cabin partition plates. By continuously conveying seawater into the culture cabins, a certain water level difference is formed between the culture cabins and the outside of the wharf boat, so that the seawater in the culture cabins is ensured to circulate, the seawater in the culture cabins flows in the fish culture spaces through the seawater communication channels, and the culture cabins of the wharf boat are ensured to have sufficient oxygen supply; the seawater in the wharf boat culture cabin is fully circulated, the survival rate and the growth quality of fish culture are improved, the cost of wharf boat culture is reduced, and the wharf boat culture has more sustainability and economic benefits.

The utility model discloses a fish culture net cage device and system, and relates to the technical field of fishery breeding, the device comprises a floating frame, the floating frame floats on the water surface, and the side face of the floating frame is surrounded by a flexible retaining wall; the box body part is hung at the bottom of the floating frame, and a water passing device communicated with an external water body is arranged on the side surface of the box body part; the pollution discharge module is arranged at the bottom end of the box body part and can discharge fish manure into an external solid-liquid separation device; the neck bush fishing box body is placed in the box body part, the inner space of the neck bush fishing box body forms a fish culture space, and the neck bush fishing box body can be lifted upwards from the interior of the box body part. According to a fish culture net cage system formed by a plurality of fish culture net cage devices, fish in the fish culture net cage system can be conveniently caught by lifting the neck bush catching box body upwards, and catching operation can be achieved without pumping out water in a pond.

The invention provides a fish culture state monitoring method based on multi-sensor data, and relates to the technical field of aquaculture. A radio frequency detection unit and a water quality sensor array which are synchronously driven by a unified clock source are used for collecting fish school state data and a culture environment data set corresponding to a culture net cage, so that synchronous acquisition of fish school dynamic and environment parameters is realized; performing feature-level and decision-level fusion processing on the fish school state data and the breeding environment data set through a multi-task learning model with a layered architecture, generating a fish school health state level and a growth trend prediction value, and improving the comprehensive evaluation accuracy; dynamic early warning analysis is carried out on the fish school health state grade and the growth trend prediction value, fish school health abnormity early warning data is generated, and potential health risks are captured in time; and finally, a visual monitoring interface is constructed by adopting the obtained data, so that the overall culture state can be intuitively mastered. Through multi-source collaborative perception and deep fusion analysis, the fish culture state monitoring effect is comprehensively optimized.

The utility model relates to the technical field of cultivation, in particular to a fish cultivation circulating water cultivation device which comprises a cultivation barrel, a brushing mechanism used for cleaning dirt on the inner wall of the cultivation barrel and a feeding mechanism used for automatically and quantitatively feeding, four supporting legs are fixed at the bottom of the cultivation barrel, and a water circulation mechanism is arranged at the bottom of the cultivation barrel. The brushing mechanism comprises a supporting plate located at the top of the breeding barrel, a rotating plate is arranged below the supporting plate, a first motor is fixedly arranged at the input end of the rotating plate and fixed to the supporting plate, and brushing plates are fixed to the two sides of the rotating plate and attached to the inner wall of the breeding barrel. A first motor drives a rotating plate to rotate so as to drive a brush plate to rotate, the L-shaped brush plate comprehensively brushes an adhesion layer formed by dirt on the inner wall of a breeding barrel, a second motor drives a material distributing rod to rotate so as to quantitatively scatter fish food in a grain storage bin into the breeding barrel, and the rotating plate rotates so as to further enlarge the fish food feeding range; the waste of fish food is avoided; the filtering burden is reduced.

The proposed invention corresponds to a fish treatment system for disinfection and deworming in situ, using a system of tubes for the transport of live fish throughout the system in fresh water, obtained directly from salt water or spring water. sea, where the fish are transported by the different sections of the disinfection system from the diseased fish farming unit, through the treatment pond and to the treated fish farming unit, where the removal of parasites in fresh water It is carried out by chemical, electrochemical, mechanical and energetic means, in the treatment pond and later, the treatment water is treated for the removal of medicine and finally reconstituted to the initial conditions (sea water) to be returned to the environment.

The application relates to the technical field of micro-grid control, in particular to a photovoltaic storage and charging micro-grid control method and system for a weak power grid. The method comprises the following steps: acquiring a photovoltaic panel information set, analyzing the coupling influence of light reflection and internal load impact on the photovoltaic panel based on the photovoltaic panel information set, and obtaining a photovoltaic panel dynamic disturbance information set; acquiring a fish farm information set, analyzing the multi-objective coordination and trade-off relationship between fish farming demand and power generation demand based on the fish farm information set and in combination with the photovoltaic panel dynamic disturbance information set, and obtaining an optimized scheduling information set; generating a multi-end coordinated control strategy based on the optimized scheduling information set, and outputting a photovoltaic storage and charging micro-grid control log. The method makes the micro-grid load disturbance analysis more accurate and builds a data foundation for collaborative regulation of breeding and power generation.

The invention discloses an anti-storm monitoring safety house for fishery breeding, which comprises a floating base, and a house body for arranging electric control equipment is fixed on the floating base; the anchoring modules are close to the house body and / or the four corners of the bottom of the floating base respectively, and each anchoring module comprises an anchoring heavy anchor and an anchoring rope; the buffering balance mechanism is connected with the two anchoring modules located on the side close to the embankment, the buffering balance mechanism comprises a supporting frame, a winding main shaft, a winding roller, a transmission gear fixed to the winding main shaft and a pressure relief pump in meshing transmission with the transmission gear, one end of the anchor rope is partially wound around the winding roller, and the other end of the anchor rope is partially wound around the winding roller. And the pressure relief pump is connected to a hydraulic buffer system. The transmission gear rotates and is meshed with the pressure relief pump to rotate and work, power transmitted by the transmission gear is converted into hydraulic power, energy generated by stormy waves is released, the buffering effect is achieved, and the stormy wave resistance and safety of the safety house can be further improved.

The invention is a cage assembly (100) submerged with elastic ropes, used in fish farming in seas (A) and lakes, consisting of the carrier inner cage pipe (101) and the carrier outer cage pipe (102) positioned at the top, remaining on the surface when the fishing net is immersed in water, clamped to each other by means of the carrier pipe connection bracket (103); weights (105) connected to the buoyancy pipes by weight ropes (104) to keep the cage assembly (100) submerged by elastic ropes at a constant depth under water; the fish net (109) which provides the preservation of the fish contained therein; the cover net (111) which covers the upper part of this fish net (109), characterized in that when the cage assembly (100) is immersed in water with elastic ropes by stretching / oscillating, the fishing net (109) is minimally affected by sea (A) movements and the excessive loads it causes, and is protected from lightning, theft, predator attacks and excessive algae. In an embodiment of the cage assembly (100) submerged with elastic ropes, which enabled fish such as Salmon and Trout to swallow air from the surface, there is a second air access ring (119) positioned in the middle of the cage on the surface. The elastic elements (117) can also be applied to the carrier and buoy ropes of other marine life production systems such as mussels and seaweed, and can protect the systems from the oscillating and shaking effects of waves.

The utility model relates to the technical field of fish farming, in particular to a fish farming anti-bird net convenient to fold and unfold, which comprises a plurality of groups of supports and a bottom groove, the top ends of the supports are provided with rails, the top ends of the rails are provided with notches, the bottom ends of the inner walls of the rails are fixedly connected with springs, and the bottom groove is provided with a plurality of grooves. The end face of the spring is fixedly connected with a movable plate, multiple sets of rolling balls are arranged at the top end of the movable plate, the rolling balls are embedded in the track, ropes are fixed to the outer portions of the rolling balls close to the edge of the support, and vertical rods are welded to the top ends of the rolling balls. According to the fish culture anti-bird net convenient to fold and unfold, by arranging the woven net surface, when the woven net surface is placed, the net can be folded and unfolded only by pulling the woven net surface by an operator, the woven net surface does not need to be detached from the bracket little by little, the operation difficulty and consumed operation time are reduced, and the fish culture anti-bird net convenient to fold and unfold is suitable for large-area fish pond culture; the problem that a large amount of time and manpower are needed to stretch or tighten the net face is solved.

The invention discloses a method for combining straw returning to field, pond fish culture and rice, fish and soft-shelled turtle / shrimp comprehensive planting and breeding, and belongs to the technical field of rice, soft-shelled turtle, fish and shrimp comprehensive planting and breeding. After rice in the rice field is harvested, straw is smashed and returned to the field, a hidden survival place is provided for crayfish seedlings, rotten straw and derived zooplankter provide bait for crayfish and fish, and the straw decomposition rate is increased by eating; after water in the rice field module becomes serious along with straw rotting, the water is discharged into the culture pond through tail water treatment engineering treatment, and the water fertility of the pond is increased; meanwhile, after eutrophication of the water body in the culture pond, the water body is discharged into the rice field after being treated by a tail water treatment project and flows into the culture pond again after being further purified by the rice field. According to the constructed mode, the straw is converted into the organic fertilizer through the crayfish and the fish, and the paddy field is adopted for purifying pond culture tail water. No breeding wastewater is discharged in the mode. The investment of aquatic product baits and rice field fertilizers is reduced, and the income and quality of rice and fishes are increased.

The present invention belongs to the field of fish farming technology, and specifically relates to the application of LED lighting in turtle sun shed farming. The present invention utilizes LED lighting to provide supplemental lighting during the sun shed farming process, thereby increasing the duration of light exposure to the turtles, increasing the dissolved oxygen content in the farming water, improving water quality, and enhancing farming results. This, in turn, increases the turtles' weight gain rate and reduces their mortality rate.

This invention belongs to the field of deep-sea aquaculture technology, specifically a real-time underwater monitoring device for deep-sea aquaculture fish. It includes an autonomous underwater vehicle (AUV) and a visual sensor mounted on the AUV. The AUV is equipped with a wiping mechanism. The wiping mechanism includes a fixed frame fixedly mounted on the AUV, a servo motor fixedly mounted inside the frame, a lead screw fixedly mounted at the output end of the servo motor, and a movable block movably connected to the surface of the lead screw. This designed structure enables self-cleaning of the AUV's visual sensor, efficiently removing algae and other deposits from the sensor. This effectively prevents algae and other deposits from blocking light transmission paths and damaging image clarity and accuracy, thus avoiding data distortion caused by the AUV's monitoring capabilities.

The present invention relates to a fish farming method implemented in a fish farming installation comprising at least one annular tank (12), the method comprising the following steps: insertion of at least two vertical, horizontally movable, and removable transverse grids (13) into the annular tank, defining a section of said annular tank; transfer of a batch of fish into said section; translation of said at least two grids (13) within the annular tank (12) during the growth and / or maturation of said batch of fish within said section; removal of at least one of said at least two grids (13) after transfer of the batch of mature fish to the outside of said annular tank (12). Figure 8

The invention discloses an intelligent fish tank for children enlightenment education, and the fish tank comprises a fish tank main body which is internally provided with a voice interaction module, an audio playing module, an image recognition module and a wireless transmission module; wherein the voice interaction module is used for carrying out dialogue interaction with children, the audio playing module is used for playing audio, the image recognition module is used for recognizing expressions and objects, and the wireless transmission module is used for carrying out data transmission with external terminal equipment. Intelligent upgrading and child-friendly design of the fish tank equipment are achieved, and the technical defect that traditional equipment lacks interaction ability is overcome. The system can recognize the emotional state of a user and make intelligent feedback, establishes a natural AI intelligent man-machine conversation mechanism, effectively improves the interaction experience of the child user, enables the child to carry out natural science popularization and accompanying conversation in the fish culture and observation process, is a child enlightenment education tool with interaction and accompanying functions, and improves the interestingness of the child. And the requirements of families on children education and accompanying are met.

This invention discloses a method for preparing green heating fuel from fish farming waste, comprising the following steps: (1) mixing papermaking sludge with acidic electroplating solution, sealing the mixture, and then heat-insulating it; after completion, drying and grinding the obtained solid product to obtain modified papermaking sludge powder for later use. (2) draining the water from the fish farming waste filtered out, then mixing the obtained wet material with calcium carbide powder and the modified papermaking sludge powder, stirring the mixture, and collecting the gas generated during the reaction; after the reaction is completed, sealing the obtained solid product and allowing it to stand to obtain a modified fuel matrix for later use. (3) mixing the modified fuel matrix with molasses and pressing it into granules to obtain the green heating fuel. The method of this invention not only converts fish farming waste into high-value biomass fuel, but also significantly reduces the energy consumption caused by the moisture in the dried waste.

The invention discloses a preparation method of a microbial complex microbial inoculant and a Chinese herbal medicine complex microbial inoculant and application of the microbial complex microbial inoculant in offshore fish culture, and belongs to the technical field of microbial engineering. The composite microbial inoculant comprises bacillus megatherium and rhodotorula mucilaginosa. In addition, the invention also provides a preparation method of the Chinese herbal medicine complex microbial inoculant, which comprises the following steps: mixing the microbial complex microbial inoculant, the Chinese herbal medicine and the base solution, and fermenting. In addition, the invention also provides a Chinese herbal medicine complex microbial inoculant prepared by the preparation method. In addition, the invention also provides a feed, and the mass addition amount of the compound microbial inoculant prepared by the preparation method in the feed is 5%-10%. In addition, the invention also provides an application of the Chinese herbal medicine complex microbial inoculant prepared by the preparation method in offshore fish culture. The microbial complex microbial inoculant can be used for Chinese herbal medicine fermentation, and the problem of obesity of fishes caused by artificial sweeteners can be effectively solved after the fishes are fed with the microbial complex microbial inoculant.

The utility model discloses a net cage mounting device for fish farming, and belongs to the technical field of net cages for fish farming. A net cage mounting device for fish breeding comprises a fixing frame, a floating body is arranged on the outer wall of the fixing frame, a clamping assembly is arranged on the inner wall of the fixing frame and comprises a connecting frame, fixing assemblies are arranged on the outer walls of the four corners of the fixing frame, each fixing assembly comprises a sleeving ring, and an inserting rod is connected into each sleeving ring in a sleeving mode. The stability of the inserting rods after being fixed underwater is further improved, the situation that the inserting rods incline due to the influence of water flow and wind power is reduced, stable limiting of the net cage is ensured, then the multiple protruding blocks can be used for hooking holes of the netting, then the multiple bolts are matched to drive the abutting frame to descend, the netting is further abutted, and the net cage is prevented from being damaged. And the stability of the netting after installation is better improved while the netting is convenient to install.

The present invention relates to the technical field of fish farming, and discloses a green and environmentally friendly rail-type fish cage, comprising a fixed plate, wherein the lower part of the fixed plate is connected to an external cleaning mechanism, the external cleaning mechanism is used to clean the outside of the cage, the fixed plate is provided with an internal cleaning mechanism, the internal cleaning mechanism is used to clean the inside of the cage, the fixed plate is provided with an automatic feeding mechanism, the automatic feeding mechanism is used to automatically feed, and can clean the surface of the cage, and scrape off shellfish adsorbed on the surface of the cage during cleaning, thereby extending the service life of the cage and providing a better environment for fish farming; automatic feeding can be achieved without manual feeding, and movement and direction can be adjusted during feeding and fish discharge, thereby reducing labor costs; excess bait can be recovered, and the cage can be supported and fixed, thereby increasing the stability of the cage.

1. Name of the product in this design: Fish Farming Circulating Water Purification Device. 2. Purpose of this design: for fish farming and maintenance. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to the technical field of fish culture, in particular to a rapid fishing device which comprises a main body frame and an inserting rod fixedly connected with the surface of the main body frame and further comprises an adjusting assembly. The adjusting assembly comprises a rotating shaft, the rotating shaft is rotatably connected with the inner wall of the main body frame, the surface of the rotating shaft is fixedly connected with a winding drum, the surface of the winding drum is sleeved with an adjusting rope, one end of the adjusting rope is fixedly connected with the surface of the winding drum, and the other end of the adjusting rope is fixedly connected with a fish cage; positioning holes are formed in the surface of the fixing disc, a fixing frame is fixedly connected to the surface of the body frame, positioning rods are slidably connected to the inner wall of the fixing frame, and first screw holes are formed in the surface of the fixing frame. By arranging the adjusting assembly, the distance between the two sets of fish cages can be rapidly adjusted in a labor-saving mode according to the widths of different fish channels, the size and weight of the whole device are small, carrying, moving and placing are convenient, and the convenience of the device is effectively improved.

The utility model discloses a novel photovoltaic fish culture lamp, which belongs to the technical field of fish culture and comprises a waterproof box, a waterproof cover mounted at the top end of the waterproof box, a mounting rack mounted on the waterproof cover, a photovoltaic panel mounted on the mounting rack, a photovoltaic inverter, a storage battery and a controller arranged inside one side of the waterproof box, the photovoltaic panel, the photovoltaic inverter, the storage battery and the controller are electrically connected through transmission lines, the storage battery is electrically connected with a power transmission line, the power transmission line is electrically connected with a light-operated switch, a water pump and a lamp, the input end of the water pump is connected with a water pumping pipe, the output end of the water pump is connected with an annular pipe, the annular pipe is located below the water pump, and a plurality of nozzles are arranged on the annular pipe. By means of the mode, light energy is converted into electric energy to be stored in the storage battery in the daytime, when light is low, the light-operated switch starts the water pump and the lamp, light emitted by the lamp attracts winged insects, meanwhile, the water pump operates, the sprayer sprays water to wet the attracted winged insects so that the winged insects can fall on the water surface, and fish can prey and eat the winged insects conveniently.

The utility model discloses a fish culture transfer device which comprises a transfer box body, a second reinforcing frame is fixedly connected to the transfer box body, a second water pump is fixedly installed on the second reinforcing frame, a third water pipe is connected between the second water pump and a water storage chamber, and a fourth water pipe is connected between the second water pump and a culture chamber. A liquid level sensor is installed on the water storage chamber, a fourth reinforcing frame is fixedly connected to the transfer box body, an aerator is fixedly installed on the fourth reinforcing frame, and a conveying hose is connected to the aerator. According to the utility model, oxygen generated by the aerator enters water in the culture room through the conveying hose, so that sufficient oxygen is ensured for fishes, and the survival time is prolonged.