40results about "Fishing" patented technology

This invention discloses a fishway illumination-based fish-attracting experimental device, belonging to the field of fish-attracting experimental technology. It includes: an experimental water tank, positioned above a reservoir, divided into an upstream, midstream, and downstream section, with an adaptation zone in the downstream section; a support frame erected above the midstream section, covered with a black cloth; and an illumination mechanism located on the upper wall of the midstream section, comprising LED lights and connecting components. Through the structural design of the connecting components, this invention allows for multi-dimensional flexible adjustment of the LED lights' horizontal position, illumination angle, and vertical height, breaking the limitations of fixed illumination modes in traditional experimental devices. The position and angle of the illumination can be adjusted according to experimental needs, and the adjustment operation is simple and convenient. It enables multi-parameter illumination research, allowing for quantitative study of the impact of different illumination conditions on fish migration behavior, meeting the needs of different experimental scenarios, and providing support for personalized fish-attracting research.

We provide the system. [Solution] Collect fish finder data, By integrating past weather conditions, seasons, and fishing records, and analyzing them with artificial intelligence, A means for notifying an information processing device of information indicating the location of the fishing grounds in coordinates, A means to function as a platform for information recipients to act efficiently, with the aim of managing urban resources. Based on the analyzed data, this information will be provided to fishermen as a means to optimize resource utilization within urban areas. A system that includes this.

This invention provides a urinal that can be used to safely capture eels, small animals, and other similar creatures. [Solution] A urinal bottle 1 having a screw-on lid (screw cap) 2, wherein a grid-like pattern of holes or several holes are made on the upper surface of the screw-on lid (screw cap) to allow unwanted liquids such as water or urine to be discharged.

The application discloses a kind of marine economic fish assessable amount based on acoustic technology method and system, comprising: dividing nearshore target area into multiple monitoring areas;Through acoustic detection device, acoustic data is collected, and initial fish school density and range are obtained by LMS filtering processing in combination with fish acoustic characteristics;Filter core area and generate detection route;Correct initial data by underwater image detection;Based on path probability and improved A-star algorithm, fish school migration distribution is analyzed;In combination with resource restriction standard, assessable amount is determined.The system sets multiple data dynamic processing procedures corresponding to the above method, solves the problems of low monitoring accuracy, inaccurate migration analysis and unscientific assessable amount determination of existing methods, and improves the accuracy and scientificity of assessable amount evaluation through differentiated area division, dynamic data correction and intelligent migration analysis, providing technical support for sustainable development of fishery.

This invention discloses a multifunctional fish-attracting lamp, which includes a bracket and a power supply box. The fish-attracting lamp also includes: a heat sink fixed to the end of the bracket, with a rear shell fixed to the front end of the heat sink; a cooling fan fixed in the center of the rear shell; a temperature controller fixed in one side of the heat sink fins; and a fan intelligent monitoring system embedded in one side of the rear shell. Several cooling fins are stacked from the outside to the inside at the rear end of the heat sink, and are evenly distributed circumferentially at the rear end of the heat sink. The gap between two adjacent cooling fins forms a through groove that is connected longitudinally and laterally. When the fan intelligent monitoring system detects abnormal operation of the cooling fan, it can automatically cut off the power supply to the lamp. When the temperature controller detects that the temperature of the heat sink exceeds 80°C, it can automatically cut off the power supply to the lamp. The through groove not only allows the air blown by the cooling fan to diffuse to various positions behind the heat sink, but also effectively guides water and air entering the lamp.

The present invention relates to a method and a device for treating and / or transporting food items. The apparatus and method are designed to facilitate treating animals or food items in liquid. The device of the present invention is designed as a spiral pump with a tubing that is wound together with a rotating structure around a horizontal axis. The apparatus of the present invention and the use thereof provides a method to treat living or slaughtered animals or food items in a spiral pump.

The technical problem to be solved by this utility model is to provide a fish dart release device that uses the lever principle and clamps the fish dart with upper and lower pulleys. It includes a main body, a lever structure, a pulley clamping structure, and pulleys. The technical solution provided by this utility model is a fish dart release device for a slingshot fish launcher, including a release body. The rear part of the release body is a release handle, and the front part of the release body is a mounting part for attaching the fish dart tail. The mounting part is provided with a pulley clamping structure, which is located at the front end of the main body and the front end of the lever structure above the main body. Pulleys are provided at the front end of the main body and the front end of the lever structure above the main body. The pulleys are located at the front end of the main body and the front end of the lever structure above the main body. The release body also has three-hole side plates located on the left and right sides of the front of the release body. A lever structure is also provided above the front of the release body.

The application provides a marine biodiversity detection sampling batch trapping device and relates to the technical field of marine organism trapping. The marine biodiversity detection sampling batch trapping device comprises a support, a top plate is fixedly connected to the top of the support, a threaded column is rotationally connected to the inside of the support, a moving sleeve is arranged on the outside of the threaded column, the moving sleeve is slidably connected to the inside of the support, a plurality of box bodies are fixedly connected to the inside of the support, and bait boxes are fixedly connected to the insides of the plurality of box bodies. The marine biodiversity detection sampling batch trapping device enables a plurality of leaf plates to diffuse a plurality of pheromones outward from the screen mesh, so as to attract various organisms to approach, facilitates subsequent trapping, enables pushing material blades to diffuse bait outward, facilitates the attraction of organisms for trapping, can capture marine organisms in batches, and is convenient to operate.

This application relates to the field of aquaculture equipment technology and discloses an aquatic seedling raising device, including a U-shaped floating frame, a seedling raising platform, a U-shaped enclosure, and a limiting rod. The U-shaped enclosure forms a seedling raising space, and is equipped with an inlet, an outlet, and a seedling collection port. A seedling collection net is installed at the seedling collection port. The U-shaped enclosure contains mud and sand to simulate a riverbed, and a seedling collection filter wire mesh is provided at the bottom. A connection structure for adjusting the draft of the seedling raising platform is provided between the seedling raising platform and the U-shaped floating frame. This application can adapt to the deployment requirements of a flowing water environment in a river, facilitates the adjustment of the seedling raising space height, can form a stable flowing water seedling raising environment, and facilitates subsequent centralized seedling collection and protection management.

A removable substrate for an insect attractant device includes a body having front and rear faces, a grip portion, and a base disposed opposite the grip portion. The removable substrate further includes a first lateral portion extending from the base, and a second lateral portion extending from the base. A projection extends outwardly from the base, lowermost ends of the first and second lateral portions are disposed below the projection, and an adhesive is applied to the front face and the rear face.

The present disclosure provides a fish guide device for a pump. An axial flow pump blade is located in a runner chamber. A fish guide ring mounted on a wall surface of the runner chamber is arranged at an inlet of the axial flow pump blade. A fish guide cap is mounted on a hub of the axial flow pump blade. A plurality of jet holes are provided on the fish guide ring, to form a jet to guide fish to the fish guide cap. A plurality of fish guide grooves are provided on a surface of the fish guide cap. The present disclosure allows the fish to enter a flow channel of an axial flow pump. This can improve the survival rate of fish and allow the fish to smoothly pass through the axial flow pump.

A fish counting device (50) is provided. It comprises an ultrasonic transducer (53) configured to: transmit a transmission wave towards fish, receive a reflection wave, and generate a reception signal from the reflection wave; a beamforming module (106) that generates echo data in a plurality of directions; a fish tracking module (101b) that tracks detected fish based on the echo data acquired from a plurality of transmissions; and a fish counting module (101a) that counts fish based on the echo data and a number of transmissions from the plurality of transmissions for which the detected fish has been tracked The fish counting module is configured to count fish if a fish has been tracked for at least a given number of transmissions that is set according to a distance (La, Lb) between the transducer and the fish, and a width of the transmission wave (Wa, Wb) at said distance.

The present application relates to the technical field of apple snail prevention and control in rice fields, and particularly relates to an apple snail prevention and control system and method for rice fields, aiming to solve the problem that rice seedlings are damaged by apple snails after water is introduced into rice fields. The system comprises a water diversion channel and a branch water pipe leading to the rice field. The water diversion channel and the branch water pipe are both provided with protective nets. The system further comprises a capturing device and a trapping net cage arranged in the rice field. The edge of the rice field is excavated downward to form a channel, and the trapping net cage is arranged in the channel. The capturing device is arranged around the edge of the rice field or close to the protective net. The capturing device and the trapping net cage are both used to trap apple snails. The protective net and the capturing device form two-stage protection of pre-interception and in-field concentrated capture, which can intercept apple snails and large floating debris floating with water before the water enters the rice field, and further trap and capture apple snails entering the rice field through the capturing device and the trapping net cage, thereby reducing the damage to the rice field.

The application provides a kind of underwater fishing robot of trackable capture, and relates to underwater robot field.The underwater fishing robot of trackable capture, including robot main body, the position of the robot main body inside is close to right side and is penetrated and is provided with push rod motor, the output end of the push rod motor is fixedly connected with push rod, the right end of the push rod is fixedly connected with rotating motor, the output end of the rotating motor is fixedly connected with first rotating shaft, the right end of the first rotating shaft is fixedly connected with screw rod, the outer diameter of the screw rod is threadedly connected with moving cylinder, the outer diameter of the moving cylinder is fixedly connected with mounting plate close to left side position.The LED light attracts organisms, range finder detects the position of organisms, and signals are transmitted to the robot main body, so that the robot main body approaches organisms, and then cooperates with arc-shaped robot arm and hemispherical fisher to capture organisms, effectively improves fishing efficiency.

Disclosed herein are novel systems and methods for performing ropeless fishing operations such as storing, transporting, and deploying ropeless fishing systems. The ropeless fishing systems include a containment cage, an actuator, a compressed gas cylinder and a floatation bag attached to the containment cage via a rotational support member. Storage methods include providing ropeless fishing systems and rotating the floatation bag about the longitudinal axis of a rotational support member and positioning the floatation bag inside the containment cage such that the containment cage can be stacked with other containment cages. Deployment methods include providing ropeless fishing systems and rotating the floatation bag about the longitudinal axis of a rotational support member and positioning the floatation bag outside the containment cage, enabling the floatation bag to inflate for recovery of the ropeless fishing system outside the confinement of the containment cage.

A dispenser of a parasiticidal substance comprises at least one tank (6) containing a parasiticidal substance, said tank (6) opening into a jet device (20) for discharging said parasiticidal substance, said jet device (20) being suitable to be filled with parasiticidal substance and to discharge said parasiticidal substance as a result of a temperature increase.

The utility model relates to fishing tackle auxiliary device technical field discloses a fish dart scatterer, include: the front end of connection main part is equipped with the slot; The first spring and the top block are equipped in the mounting hole, the calipers are located in the front end position of slot, the calipers include first pincer body and second pincer body, first pincer body, second pincer body articulate in slot position, and the front end of first pincer body and second pincer body is equipped with the mouth of clamping for clamping fish dart respectively, the mouth extends to the outside of slot, and the second spring is equipped in the mouth position, and the both ends of second spring are placed in first pincer body and second pincer body respectively, the trigger is placed on first pincer body upper portion, and the trigger extends to the end of second pincer body and articulates with the end of second pincer body, and the end of first pincer body and trigger are equipped with the rolling part. Provide novel structure, improve the clamping stability to fish dart, realize the quick release of fish dart.

The application relates to a fishery lighting LED light source, which comprises a support, a first blue light LED chip, a second blue light LED chip, a bonding wire and fluorescent glue, a bowl cup is arranged on the support; the first blue light LED chip and the second blue light LED chip are arranged at the bottom of the bowl cup and are connected in series, wherein the first blue light LED chip is connected with a conductive part one through the bonding wire, and the second blue light LED chip is connected with a conductive part two through the bonding wire; the bowl cup is filled with the fluorescent glue, the fluorescent glue covers the whole functional area, the first blue light LED chip, the second blue light LED chip and all the bonding wires; the fluorescent glue comprises silicon A glue, silicon B glue, green fluorescent powder, yellow-green fluorescent powder and red fluorescent powder; the fishery lighting LED light source is prepared through the blue light chip and specific fluorescent powder, a double-wave-peak spectrum with good continuity is formed, the peak spectrum band has high sensitivity to the cone cells of marine fishes, has strong penetration in seawater and has good gathering effect on the marine fishes.

The invention discloses a benthonic animal habitat environment simulation sampler, and belongs to the technical field of benthonic animal collection devices.The benthonic animal habitat environment simulation sampler comprises a base and a cylinder piece rigidly connected with the base, and a containing space for natural activity of benthonic animals is formed between the bottom end face of the cylinder piece and the base; the outer side of the cylinder part is coaxially sleeved with a sealing ring, and the sealing ring can slide in the axis direction of the cylinder part so as to seal the containing space between the bottom end face of the cylinder part and the base; when the annular protrusion is embedded into the sealing groove and seals the containing area above the base, the blocking piece is synchronously inserted into the sealing groove, the flow guide groove and the through groove are accurately aligned, water in the containing area above the base can slowly flow out through the through groove and the flow guide groove, and therefore the natural water flow environment at the bottom of the water is simulated. And disturbance to environment-sensitive benthonic animals is effectively avoided.

This invention relates to the field of fish collection facilities technology, specifically to a fish collection system. It includes: a fish collection device and a sorting device. One fish collection device is installed on each side of the end section of the power generation tailrace channel, and the sorting device is located on a sorting layer above the fish collection devices. The fish collection device includes a fish inlet, a stilling basin, and a fish collection pool. The fish inlet is located at the outlet of the power generation tailrace channel. The stilling basin, fish collection pool, and fish inlet are arranged sequentially along the water flow direction from upstream to downstream. The stilling basin is connected to the fish collection pool and contains energy dissipation equipment. The fish collection pool is connected to the fish inlet and contains a fish collection box with a fish release outlet. The sorting device includes a lifting hoist and a sorting assembly. The lifting hoist is used to lift the fish collection box to the sorting layer, and the sorting assembly is located on the sorting layer and can connect with the fish release outlet. The fish collection system provided by this invention achieves fish collection on both sides of the power generation tailrace outlet, improving fish collection efficiency and reducing equipment costs.

A removable substrate for an insect attractant device includes a body having front and rear faces, a grip portion, and a base disposed opposite the grip portion. The removable substrate further includes a first lateral portion extending from the base, and a second lateral portion extending from the base. A projection extends outwardly from the base, lowermost ends of the first and second lateral portions are disposed below the projection, and an adhesive is applied to the front face and the rear face.

The utility model relates to fish -attracting lamp technical field, concretely is a kind of fish -attracting lamp hoisting and storing device, including mounting bracket, runner, connecting line, illuminator and servo motor, the runner rotation is connected in the inside of mounting bracket, the connecting line is wound in the inside of runner, the illuminator is fixedly connected in one end of connecting line, the servo motor is fixedly connected in the surface of mounting bracket, one end of mounting bracket is fixedly provided with support device, the support device includes connecting arm and support frame, by setting support device, effectively control the distance between lamp and runner, the effect of controlling the distance between lamp and runner is played, reduce existing equipment when using, the distance between lamp and runner is shorter, when recycling, lamp is easily impacted on the surface of runner by the pulling force of connecting line, easily cause lamp knock damage, difficult normal use situation, this support device, the distance between lamp and runner can be lengthened, improve the service life of lamp.

The present application relates to red chelae crayfish catching technical field, especially a kind of red chelae crayfish paddy field cultivation is used to catch shrimping device and method, including the laser lifting device, guide device and collection escape-proof device sequentially arranged along vertical direction, laser lifting device is inducted shrimping group by the green laser aperture of liftable adjustment;Guide device uses the four-prism platform gentle slope and U-shaped tube water flow with fishing net cover, guide shrimping group to climb, and make shrimps fall into collection area by the flipper triggered by shrimp body self-weight;Collection escape-proof device realizes no-escape collection by escape-proof board, one-way collection net cage and inverted whisk structure, the present application utilizes the photophobicity and top water habit of red chelae crayfish, realizes the full-process automation closed loop operation from "induction, guide, fall shrimps to collection", effectively solves the problems of traditional ground cage fishing, such as high labor intensity, low efficiency, high damage and serious escape, has the advantages of high efficiency, low damage and strong adaptability.

The utility model discloses a kind of sustainable luring life ecological floating island system, through planned propagation release feeding and going out luring open water fish population into the water area where ecological floating island is located, and through fishing device, the fish population in the water area where ecological floating island is located is captured and put into encirclement space, can ensure that the aquatic species and quantity in ecological floating island ecosystem maintain relatively stable within a certain time, meet the development concept of sustainable fishery, can make fishing fishery and ecological environment protection coordinated development, can long-termly guarantee that fishing fishery can be carried out continuously and healthily, for this, the utility model provides sustainable, stable fishing place for angler by sustainable luring combination mode, while giving consideration to the protection and recovery of the water area ecosystem.

This invention relates to the technical field of fish-attracting auxiliary devices, and discloses a fish-attracting auxiliary device based on fish behavioral responses. The device includes a shell, an upper inner wall of which is fixedly connected to a ring cover, a middle inner wall of which is fixedly connected to a protective shell, an inner top wall of which is fixedly connected to a mounting platform, a lamp housing fixedly connected to the lower side of the mounting platform, a light control mechanism inside the lamp housing, a light-transmitting glass sheet fixedly connected to the lower inner wall of the lamp housing, and a self-cleaning mechanism fixedly connected to the lower inner wall of the lamp housing. In this invention, the lamp housing, light control mechanism, chute, and annular bait bin work together to alleviate the problems of traditional fish-attracting devices being unable to match the phototactic habits of different fish species, resulting in irregular bait release and difficulty in forming a stable attraction signal. Furthermore, the self-cleaning mechanism and the frame opening work together to alleviate the problems of frequent disassembly of the device for manual cleaning, which is cumbersome and affects the continuity of operations.

The invention relates to a device for monitoring aquatic larvae in situ, comprising: a capture room (1) comprising an inlet and an outlet, a first passage (3) comprising an inlet and an outlet open to the environment, the inlet of the first passage being connected to the outlet of the capture room, a first light source (11) configured to attract aquatic larvae in the capture room and / or guide aquatic larvae out of the capture room and through the first passage, and a camera (5) having a field of view within the first passage.

The utility model relates to the technical field of soft-shelled turtle breeding, and discloses a harvesting device for breeding soft-shelled turtles, which comprises an L-shaped seat, a capture box is arranged in the L-shaped seat, a mesh plate is arranged on the top of the capture box, a first stand column and a second stand column are arranged on the back of the L-shaped seat, a rotating mechanism is arranged on the capture box and the second stand column, the rotating mechanism comprises a hinged seat, a rotating rod, a bevel gear, a second bevel gear, a connecting shaft and a first motor, the first motor is installed on the right side of the second stand column, and the connecting shaft is connected to the output end of the first motor, the utility model captures soft-shelled turtles through the capture box, opens the mesh plate after lifting the captured soft-shelled turtles, starts the first motor to drive the connecting shaft to rotate, drives the rotating rod to rotate through the transmission of the first bevel gear and the second bevel gear, drives the capture box to rotate around the hinged seat through the rotating rod, and thus the soft-shelled turtles in the capture box can be poured out, the purpose of convenient unloading is achieved, and the capturing efficiency is improved.

The application discloses an artificial fish gathering device for tuna purse seine fishery, which comprises a floating base, a through slot is formed in the middle of the floating base, a top plate is arranged on the upper portion of the floating base, and the top plate is connected to the floating base through a vertical rod. A plurality of support frames are arranged below the floating base, each support frame comprises a frame body and an automatically overturnable floating rod, and a counterweight assembly is arranged at the lower end of the lowermost support frame. A rope is arranged at each corner of the floating base, one end of the rope is connected to the floating base, the other end of the rope is sequentially threaded through the counterweight assembly and the support frames, and then penetrates through the top plate, and is connected to a storage assembly at the upper end of the top plate. During recovery, the storage assembly winds up the rope, drives the counterweight assembly and the support frames to rise, and the support frames pass through the through slot to realize folding and storage. The application has the characteristics of automatic unfolding, convenient and efficient recovery, and reduced operation cost, and can effectively solve the problems of difficult recovery of the artificial fish gathering device and easy pollution of the marine environment.

This utility model discloses an assembled LED aquatic fish-attracting light, including an assembly frame and a fixing column. The top of the assembly frame has an assembly groove, and both sides of the inner wall of the assembly groove have locking grooves. The fish-attracting light body is disposed inside the assembly groove. The fish-attracting light body includes a mounting plate and an LED light strip. Both sides of the top of the mounting plate have movable grooves, and each movable groove is provided with a locking component. The mounting plate is locked in place in the assembly groove by the locking components. This invention allows for convenient installation of the fish-attracting light body on the assembly frame, and also facilitates the subsequent removal of the fish-attracting light body that needs to be replaced or repaired directly from the assembly frame. The locking method allows for easy disassembly and assembly without the need for tools, resulting in higher efficiency and convenient assembly / disassembly.