32results about How to "Improve rescue effect" patented technology

The invention belongs to the technical field of fire rescue, and discloses a fire trapped person positioning method and system.The fire trapped person positioning method comprises the following steps that a heart rate sensor, a body temperature sensor and a respiratory rate sensor are integrated into a portable device, vital sign data are collected, and the vital sign data are sent to the portable device; the data are sent to the central processing unit through a wireless transmission mechanism for monitoring and analysis, and vital sign monitoring data are obtained; by integrating sensor data and performing real-time analysis, more accurate vital sign state recognition and abnormal early warning are realized, by combining real-time acquisition of acoustic fluctuation and acoustic wave feature processing, the trapped person positioning precision is further improved, and by calculating sound source positioning coordinates and optimizing rescue resource distribution, the positioning accuracy of the trapped person is improved. Moreover, an efficient and targeted rescue strategy and priority allocation can be formulated, the rescue efficiency is remarkably improved, the search time and resource waste are reduced, and the survival probability of trapped persons is improved.

The invention provides an underground rescue equipment positioning and navigation method and system, and electronic equipment, and the method comprises the steps: collecting the surrounding image data of rescue equipment through a depth camera disposed on the rescue equipment, processing the collected data, and carrying out the passable channel judgment according to a preset judgment rule; and formulating an advancing route and an advancing rule based on the judgment result, in the advancing process of the rescue equipment, acquiring distance data between the rescue equipment and the channel in real time by utilizing a laser radar arranged on the rescue equipment, and meanwhile, acquiring inclination angle data of the rescue equipment by utilizing a strapdown inertial navigation module arranged on the rescue equipment. The trafficability of the rescue equipment in the channel is judged in real time according to the distance data, and whether the posture of the rescue equipment is within a safe range or not is judged according to the obtained inclination angle data. When complex terrains such as obstacles are encountered, real-time and efficient channel judgment is achieved, efficient obstacle breaking is conducted when the obstacles cannot avoid, and irregular and even dynamic obstacles cannot be avoided.

The invention relates to the technical field of building monitoring, and discloses an intelligent omnibearing automatic building monitoring system which comprises a monitoring module, an alarm and voice broadcast module, a light control module, an emergency rescue tool module and a master control center. According to the system, through the high-definition camera and various sensors, dead-corner-free monitoring of a shopping mall is achieved, abnormal conditions can be found in time, real-time data can be provided, the alarm and voice broadcast module can rapidly transmit information, it is ensured that people can be rapidly indicated in emergency, the evacuation efficiency is improved, and the system is safe and reliable. And rescue voice can be broadcasted according to the position information of persons who cannot be self-rescued and recognized by the monitoring module, mutual assistance of the persons can be assisted, potential risks can be recognized in real time through the data analysis capability integrated by the master control center, countermeasures can be automatically triggered, manual intervention is reduced, safety is improved, and automatic unlocking and intelligent prompting functions of the emergency rescue tool module are achieved. And it is ensured that when an emergency occurs, related rescue tools can be rapidly acquired.

This application relates to a method, apparatus, equipment, and storage medium for optimizing decision-making in post-disaster casualty rescue. The method includes: acquiring multidimensional physiological parameters and individual environmental factors of the casualties; using an improved START classification method and fuzzy comprehensive evaluation for initial injury quantification; and using a Markov state transition model to predict the injury evolution trend, generating a dynamic priority queue. A collaborative optimization model integrating rescue order, rescue route, and rescue method is constructed, aiming to maximize the expected number of survivors. A decomposition-coordination strategy is used to jointly solve the model, generating a globally optimized rescue plan. An event-driven mechanism is used to trigger rescheduling based on collected dynamic environmental data. Rolling time-domain optimization is performed based on the predictive control of the collaborative optimization model, and incremental updates are used to replan only the local plans affected by disturbances, outputting adaptively adjusted rescue instructions. This method can effectively improve the expected number of survivors and overall rescue efficiency.

This invention provides a maritime rescue method and system based on a heterogeneous unmanned system. The method includes: Step S1: acquiring accident information to generate a multi-dimensional decision model; the accident information includes accident type, accident location, information of personnel to be rescued, and environmental information; Step S2: automatically matching a corresponding rescue plan based on the multi-dimensional decision model; Step S3: deploying the heterogeneous unmanned system according to the rescue plan, enabling it to perform autonomous unmanned search along the rescue path and identify the searched targets; Step S4: controlling the heterogeneous unmanned system to complete the rescue based on the identification results. This invention effectively solves the main problems existing in current maritime rescue technologies and provides a complete technical solution for achieving efficient, rapid, and intelligent unmanned maritime rescue.

The invention provides a forest region geographic information processing method and device. The method comprises the following steps: receiving a forest region surveying and mapping data set for a target forest region from a user terminal; a forest region model of the target forest region and a corresponding forest stand database are created according to the forest region surveying and mapping data set, the forest region model is sent to the user terminal, and the forest stand database comprises at least one piece of first forest stand data and second forest stand data; receiving a rescue instruction for a target forest region in the forest region model from the user terminal; controlling the aircraft to collect fire data of the target forest region according to the rescue request; determining a fire type of the target forest region based on the fire data and a forest stand database; creating rescue tool information for the target forest region based on the fire type and the at least one second forest stand data; and sending the rescue tool information to the user terminal. Therefore, the rescue tool is highly adaptive to the fire situation, and a user is prevented from carrying unnecessary equipment or omitting necessary equipment, so that the rescue efficiency is improved, and the rescue effect is improved.

A fire-fighting maze environment training device, comprising: first container, second container, third container, fourth container connected in turn, the side wall of second container, third container, fourth container is removed adjacent side wall, and the side surface is communicated, and the maze training area is formed, and the movable partition is arranged in the maze training area to build the maze environment. The utility model discloses rescue route diversification, can enhance the ability of firefighter in the strange environment, because the special container is provided smoke heat, and because movable partition has good light shielding property, can restore the dark environment of fire scene better, and has greater help to the promotion of the rescue ability and the psychological adaptability of firefighter.

This utility model provides a multifunctional U-shaped intelligent rescue boat, comprising multiple hulls, including a main hull 1 and multiple sub-hulls 2. At least one side of the main hull 1 is equipped with a U-shaped connecting frame 24; each sub-hull 2 ​​has a connecting block 25 installed on one side and a U-shaped connecting frame 24 installed on the other side. The inner walls of both the U-shaped connecting frame 24 and the connecting block 25 have mounting holes. Connectors are inserted through these mounting holes between adjacent hulls to achieve a detachable connection between the U-shaped connecting frame 24 and the connecting block 25 of adjacent hulls. A longitudinally connected assembly is provided between the stern and bow of adjacent hulls. This utility model, through its U-shaped structure and design allowing for both lateral and longitudinal connection, enables the rescue boat to adapt to different environments, including harsh rapids and calm waters, improving its versatility and environmental adaptability.

The utility model relates to a cardio-pulmonary resuscitation machine. Comprising a shell; the pressing mechanism comprises a driver, a pushing rod and a pressing head, the driver is contained in the shell, the pushing rod is slidably arranged in the shell in a penetrating mode, the pressing head is connected with the end of the pushing rod and can be located outside the shell, and the pressing head is used for pressing; the detection mechanism is arranged on the shell and comprises at least one of a blood oxygen connector and a carbon dioxide connector, the blood oxygen connector is used for detecting oxygen saturation, and the carbon dioxide connector is used for detecting carbon dioxide concentration. The cardiopulmonary resuscitation machine is provided with the detection mechanism, so that the cardiopulmonary resuscitation machine not only has a pressing cardiopulmonary resuscitation function, but also has a function of detecting oxygen saturation and / or carbon dioxide concentration, and thus the function diversification of the cardiopulmonary resuscitation machine can be realized.

The utility model discloses a novel fire rescue cabinet, and relates to the technical field of fire fighting equipment, and the scheme is that the novel fire rescue cabinet comprises a fire fighting cabinet body, and a cabinet door mounting opening is formed in the fire fighting cabinet body; the two guide rails are arranged oppositely, and the two guide rails are assembled on the two opposite sides of the cabinet door mounting opening respectively; the cabinet door assembly comprises a first folding plate, a second folding plate and two oppositely-arranged sliding blocks, and one end of the first folding plate is rotationally connected with the top ends of the two guide rails; the two sliding blocks are assembled in the two guide rails in a sliding mode correspondingly, and the sliding blocks can slide in the extending direction of the guide rails in a reciprocating mode. One end of the second folding plate is rotationally connected with the first folding plate, and the other end of the second folding plate is rotationally connected with the two sliding blocks respectively; by means of the unique vertical opening and closing design, the surrounding space of the cabinet body is prevented from being occupied after the cabinet door is opened, a lifesaving channel is kept smooth all the time, and the taking efficiency of fire fighting equipment is greatly improved.

The utility model relates to an outdoor emergency lifesaving blanket which comprises a blanket body, and a blanket binding mechanism and a zipper mechanism are arranged on the two side portions of the blanket body in the first direction respectively. The lock catch mechanism comprises a lock seat and a buckling piece, the lock seat and the buckling piece are arranged on the two side portions, in the second direction, of the blanket body respectively, and the first direction, the second direction and the thickness direction of the blanket body are perpendicular to one another; when the blanket body is in a rolled state, the blanket binding mechanism is used for tightening or loosening a port in one side of the blanket body in the first direction, the zipper mechanism is used for closing or opening a port in the other side of the blanket body in the first direction, and the lock seat and the fastener are matched in a buckled mode to be used for connecting two side portions of the blanket body in the second direction. The outdoor emergency life-saving blanket is easy and convenient to operate, the warm-keeping or heat-insulating effect can be improved, and it is ensured that the outdoor emergency life-saving blanket has a good rescue effect when used in an emergency life-saving scene.

This invention provides a vehicle submerged in water rescue system and method, and a vehicle, relating to the field of automotive technology. The vehicle submerged in water rescue system includes a bottom airbag, an airbag controller, and two top airbags mounted on the vehicle body. The bottom airbag is located at the bottom of the vehicle body, and the two top airbags are respectively located on the left and right sides of the top of the vehicle body. The airbag controller is used to control only the deployment of the bottom airbag, or to control the deployment of the bottom airbag and the two top airbags in different sequences. This vehicle submerged in water rescue system can handle both unflipped and flipped vehicles, resulting in better rescue effectiveness and a wider range of applications.

This application provides a human-computer interaction method and system for emergency rescue scenarios. The method involves parsing and processing the multimedia information received from an emergency rescue requester to obtain an emergency rescue situation awareness model. Based on this model, a deep reinforcement learning algorithm is used to select possible emergency response strategies. Medical knowledge graph technology is then used to analyze the relationship between the requester's symptoms and possible causes to generate an emergency rescue guidance plan. Based on this guidance plan, a traffic flow prediction algorithm is used to optimize the rescue route in real time. Combined with road condition information collected using IoT technology, the route of the rescue vehicle is dynamically adjusted to generate an optimal rescue route and the latest rescue progress notification. Finally, the optimal rescue route and the latest progress notification are used to visualize the emergency rescue operation process, generating intuitive visual guidance. The technical solution provided by this application significantly improves the speed, accuracy, and effectiveness of emergency response.

The invention relates to the technical field of data processing, and relates to a fire-fighting management method and system based on the combination of the Internet and traditional management, and the method comprises the steps: obtaining fire data; calculating a fire site score which is related to the distance between the fire site and the nearest fire station and the population density of the city where the fire site is located; calculating a floor score related to the floor number of the building where the fire place is located; obtaining a combustion substance score related to whether gas and liquid combustibles are present at the fire site; performing weighted summation on the fire place score, the floor score and the combustion substance score to obtain a comprehensive score; and determining the number of the rescue workers according to the comprehensive score, wherein the comprehensive score is in positive correlation with the number of the rescue workers. According to the invention, the scheduling of the rescue personnel not only depends on the intuition of related personnel, but is based on data analysis, so that the scientificity and effectiveness of decision making are improved.

The invention discloses a rescue underwater robot and a rescue method based on multimodal drowning recognition. The rescue underwater robot is provided with a multimodal recognition module, a rescue launch device module and a diving goggles auxiliary rescue module; the multimodal recognition module obtains images through a high-definition camera and sonar, and improves the recognition accuracy by using the joint calibration of the azimuth and feature fusion technology, so as to realize the accurate detection of the drowning target; the rescue launch device module adopts a spring launch device to quickly release the rescue device, and the rescue device is equipped with a high-elasticity silicone strip and a built-in inflatable bag. The silicone strip has an anti-slip texture structure, which can quickly surround and fix the waist of the drowning person, and the inflatable bag automatically starts to inflate after confirming that it is in firm contact with the drowning person through a magnetic delay mechanism; the diving goggles auxiliary rescue module is provided with a heart rate sensor, a motion sensor, an emergency button and a black box module to monitor the state of the diver in real time.

The present invention discloses a method for evaluating the training effectiveness of firefighters. First, the corresponding human factor parameters of the firefighters to be evaluated are collected through wireless sensors; the human factor parameters include electrocardiogram signals, electromyography signals, pulse signals and respiratory signals; the collected human factor parameters are denoised using flexible analytical wavelet transform (FAWT) and salp sea squirt algorithm (SSA); the time domain of the denoised signal is analyzed to extract the corresponding eigenvalues; the extracted eigenvalues ​​include six eigenvalues: rectified mean, variance, waveform factor, peak factor, skewness and kurtosis; the training effectiveness evaluation value of the firefighters to be evaluated is calculated using a BP neural network based on the eigenvalues ​​extracted in step 3, and training suggestions are given based on the evaluation value. The method and system combine human factor engineering with signal denoising, data dimensionality reduction and other technologies to solve the problem that the training effectiveness of firefighters is difficult to evaluate.

The utility model provides a cutting device, which belongs to the technical field of mine rescue, aims to solve the problem that the mine rescue efficiency is influenced due to the fact that long time is consumed when a support frame is cut, and comprises a scrap splash guard, a self-locking driving part, a cutting wheel, a positioning mounting frame, a height adjusting screw rod and a position limiting clamping plate, the scrap splash-proof cover is fixedly connected to the front side of the protective mounting shell; the self-locking driving piece is in bolted connection with the inner side of the protective mounting shell; the cutting wheel is positioned in front of the protective mounting shell; the positioning installation frame is fixedly connected to the left end face of the protection installation shell and the right end face of the scrap splash-proof cover. The height adjusting screw rod is rotationally connected to the outer side of the positioning mounting frame; the position limiting clamping plates are connected to the upper side and the lower side of the positioning mounting frame in a sliding mode. Inconvenience caused by repeated arrangement of supporting tools is avoided, operation steps are reduced, a large amount of time is saved, and mine rescue efficiency is improved.

The present invention discloses a water jet propulsion device, comprising a main body and a water jet device arranged in the main body, the water jet device comprising an engine, an impeller and an engine fixing frame, the engine is fixed inside the main body through the engine fixing frame, the impeller is located at the water outlet and connected to the engine output shaft, the main body has a plurality of water inlets and a water outlet, the plurality of water inlets are distributed on two water contacting surfaces, a water inlet cover is arranged at the water inlet, the water inlet cover comprises a cover sheet rotatable around an axis, a fixing fork and a driving device are arranged in the main body, the fixing fork is provided with a fork groove which can fork the cover sheet, the cover sheet can be forked and fixed by the fork groove when rotating around the axis to open the water inlet; also disclosed is a water surface water vehicle; the opening and closing states of the water inlets on the front and back sides of the life preserver can be automatically switched, thereby reducing the power loss of the unmanned vehicle and improving the operation efficiency of the water unmanned vehicle under harsh conditions.

The invention relates to the technical field of lifesaving equipment, and discloses a water lifesaving knapsack which comprises a life jacket, a plurality of fixing straps are fixedly connected to the outer wall of the life jacket, a main air bag is fixedly connected to the top of the life jacket, a plurality of branch air bags are fixedly connected to the outer wall of the main air bag, and the branch air bags are annularly arrayed on the outer wall of the main air bag. An automatic inflation valve is fixedly connected to the top of the main air bag, a fixing ring is fixedly connected to the outer wall of one branch air bag, a pull ring is arranged on the inner wall of the fixing ring, a rope is fixedly connected to the outer wall of the pull ring, a first self-adhesive tape is fixedly connected to one side of each branch air bag, and a second self-adhesive tape is fixedly connected to the other side of each branch air bag. According to the device, air is injected into the main air bag and the branch air bags through the automatic inflation valves, so that the main air bag and the branch air bags are of a spherical tumbler structure, a drowning person is conveniently supported, the drowning person is conveniently rescued through connection of the fixing rings and the ropes, and the rescue effect of the device is enhanced.

The invention relates to the technical field of rail transit equipment, in particular to an anti-collapse refuge device for a subway station in an urban rail and a using method thereof.The anti-collapse refuge device comprises a supporting mechanism, the supporting mechanism comprises a mounting piece, a mounting base, a first mounting strip, a second mounting strip, a mounting shaft, a supporting frame and a supporting component, and the mounting base is fixedly connected to the outer surface of one side of the mounting piece; one end of the first mounting strip is rotatably connected between opposite inner surface walls of two sides of the mounting seat, the second mounting strip is rotatably connected to the other end of the first mounting strip, and one end of the second mounting strip is fixedly connected with a supporting frame. In the use process, lamps of different colors are arranged through the indication frame, splicing treatment of the multiple transparent guide pipes can be conveniently conducted through the first connecting ring and the second connecting ring, and meanwhile the first connecting ring, the transparent guide pipes, the second connecting ring, the conveying frame, the adjusting frame and the liquid injection connector are connected with existing water resource circulating conveying equipment; and therefore, water resources can be injected into the adjusting frame through the liquid injection connector.

The invention relates to the technical field of high-rise building rescue, in particular to a high-rise building rescue method based on an unmanned aerial vehicle, and the method comprises the following steps: S1, evaluating a fire condition; s2, selecting a rescue strategy; s3, deploying unmanned aerial vehicle group combat; s4, performing real-time monitoring and feedback; s5, carrying out rescue operation; s6, cooperating with ground firefighters; s7, high-altitude fire fighting evacuation; s8, supply of rescue objects; and S9, fire-fighting equipment maintenance and inspection. The fire disaster area is rescued in the mode that the second sequence unmanned aerial vehicle sprays water, the third sequence unmanned aerial vehicle throws relief goods for medical rescue, the safety of rescued persons is improved, the rescue effect is improved, the adaptation range is wide, the rescue flexibility is high, the second sequence unmanned aerial vehicle is fixed to the wall face through the first positioning component, and the rescue effect is good. And the third sequence unmanned aerial vehicle is fixed to the wall surface through the second positioning component, energy loss of the fire extinguishing rescue unmanned aerial vehicle and the rescue substance putting unmanned aerial vehicle in the rescue process is reduced, and the stability of the second sequence unmanned aerial vehicle and the third sequence unmanned aerial vehicle in the rescue process is improved.

This invention relates to the field of rapid switching devices and discloses a rapid switching device and a rescue equipment assembly. The rapid switching device includes a first connecting frame, a second connecting frame, a rotating assembly, and a swinging assembly. The first connecting frame is used to connect the rescue equipment, and the second connecting frame is used to connect attachments. The rotating assembly is used to drive the second connecting frame and attachments to rotate. The rotating assembly includes a rotating frame, a hydraulic motor, a worm gear, and a worm wheel. The hydraulic motor is fixed to the rotating frame, and the worm gear and worm wheel are rotatably mounted on the rotating frame. The hydraulic motor drives the worm gear to rotate, and the worm gear meshes with the worm wheel. The rotating frame is hinged to the first connecting frame, and the worm wheel is fixedly connected to the second connecting frame. The swinging assembly is used to drive the rotating assembly, the second connecting frame, and the attachments to swing. Compared with the prior art, the rapid switching device of this invention can realize the rotational movement and swinging motion of the attachments, thereby improving the rescue capability of the rescue equipment.

The utility model relates to the technical field of safety equipment, in particular to a wearable positioning alarm camera device which comprises a wearing helmet, an energy storage box is fixedly connected to the rear side of the wearing helmet, an assembly frame is fixedly connected to the upper side of the wearing helmet, and a control motor is fixedly connected to the lower side of the inner wall of the assembly frame. The output end of the control motor is fixedly connected with a connecting rod, and a camera is arranged on the connecting rod. According to the utility model, the alarm push switch, the WiFi control module, the camera and other components are arranged, the alarm push switch is pressed, the WiFi control module is used for giving an alarm to the terminal, one-key help calling is realized, timely rescue is facilitated, the terminal can also control the camera to rotate, and a monitor can check pictures, evaluate field conditions and start an emergency plan conveniently. The position change condition of personnel can be detected in daily life, and the gas condition can be detected by using the gas sensor, so that safety problems can be found in time and rescue measures can be taken.

The utility model discloses an unmanned aerial vehicle with an adjustable mounting structure, and the unmanned aerial vehicle comprises a main body assembly which comprises a capacitor housing, a control center, a waterproof cover, a waterproof power-on protection sleeve rod, a dismounting part, a lifting stabilizer, a supporting rod, and a buffer part. The hanging assembly is arranged at the bottom of the capacitor shell and comprises a hanging body, a lantern ring, a hooking piece, a rotating frame, an unlocking piece, an assembling piece, a fixing pin and a clamping base, the hanging body is arranged below the capacitor shell, the lantern ring is connected to the inner wall of the hanging body in a sleeving mode, and the lantern ring is fixed to the bottom of the capacitor shell. The unmanned aerial vehicle has the beneficial effects that through the arrangement of the hanging assembly, articles can be hung in the use process of the unmanned aerial vehicle, the hooks can be adjusted according to the sizes of the articles, the application range of the unmanned aerial vehicle is widened, diversified task requirements can be met, meanwhile, key materials can be quickly and efficiently conveyed in an emergency, the emergency response capability is improved, and the unmanned aerial vehicle is convenient to use. The rescue efficiency is improved, and the rescue effect is improved.

The utility model belongs to the technical field of preoperative detection, and provides a first-aid preoperative detection device which comprises a box body, a first drawer, a second drawer, a placement piece, a positioning plate, a centrifugal assembly, a rotating assembly, a blood glucose detector, a supporting rod, a disc, two shaft bodies, two connecting blocks, two sliding blocks, a first spring and two limiting rods. The box body is provided with a groove, a sliding groove, two guide grooves and a mounting groove, the disc is fixedly connected with the supporting rod, the two sliding blocks are both in sliding connection with the sliding groove, the two ends of the first spring are fixedly connected with the corresponding sliding blocks respectively, the two shaft bodies are both fixedly connected with the disc, the rotating assembly is arranged in the mounting groove, and the blood glucose detector is arranged on the rotating assembly. In this way, the problems that in the prior art, the number of wounded persons is increased due to sudden accidents, natural disasters or wartime, at the moment, the number of persons in an inspection department is insufficient, the waiting time of the wounded persons for necessary detection before an operation is too long, and the disability rate and the death rate are increased can be solved.

The utility model provides a vest type life jacket which comprises a vest body, a first fabric, a second fabric and a third fabric, and the first fabric and the second fabric are used for being arranged on the two sides of the front face of the vest body respectively. The third fabric is arranged at the top of the back of the vest body; the left and right ends of the third fabric are respectively connected with the upper ends of the first fabric and the second fabric; the lower sides and the adjacent sides of the first fabric and the second fabric are fixedly connected with the vest body; the edges of the first fabric, the second fabric and the third fabric are detachably connected with the vest body; the first fabric, the second fabric and the third fabric are connected to form a placing area with the vest body; a folding inflatable bag is fixedly arranged in the placing area through a fixing rope and is connected with an EYSON life jacket automatic valve. The air bag cannot be restrained in actual use, so that the air bag can be expanded to an ideal state, and the rescue effect of the life jacket is improved.

The invention discloses an explosion-proof chemical forcible entry rescue machine, and relates to the technical field of forcible entry rescue, a stainless steel forcible entry cutter for forcible entry of articles and an external force rod for additionally applying forcible entry force to the stainless steel forcible entry cutter are mounted in a forcible entry cover, and the external force rod penetrates through an outer sealing ring; the rescue device has the advantages that a double-closed barrier is constructed, external flammable and explosive gas is effectively prevented from entering or internal harmful gas is effectively prevented from leaking, the air in the forcible entry cover is extracted by the extraction pipe to form a low-oxygen environment, the air in the forcible entry cover is prevented from entering the rescue device, and the air in the forcible entry cover is prevented from entering the rescue device. The stainless steel forcible entry cutter as a core component is firm in material and not prone to generating sparks during forcible entry, the risk of spark ignition is eradicated in combination with a low-oxygen environment, the device adapts to complex environments such as combustible gas and dust in chemical places, an external force rod can apply extra forcible entry force, and it is ensured that equipment is attached to a target in the forcible entry process.

The utility model relates to the technical field of unmanned aerial vehicles, and discloses a river rescue unmanned aerial vehicle which comprises a fixing plate a, the top of the fixing plate a is fixedly connected with an unmanned aerial vehicle shell, a motor a and a motor b are arranged in the unmanned aerial vehicle shell, and the bottom of the motor a and the bottom of the motor b are both fixedly connected to the top of the fixing plate a; the driving end of the motor a is fixedly connected with a connecting column a, the exterior of the connecting column a is rotatably connected to the interior of the fixing plate a, the exterior of the connecting column a is fixedly connected with a spur gear a, the bottom of the fixing plate a is fixedly connected with a fixing column a, and the exterior of the fixing column a is rotatably connected with an angle adjusting assembly; a clamping jaw assembly is fixed to the bottom of the angle adjusting assembly. According to the utility model, the angle of the clamping jaw assembly is adjusted through meshing of the gears, so that the direction of the clamping jaw assembly can be more accurately controlled, and the clamping jaw assembly can be quickly and accurately aligned with a rescue target.

The present invention provides a method and application for optimizing the fertility control of female fish. The method uses gene editing technology to knock out the key coding gene for the synthesis of gonadal progesterone in fish, block the synthesis of fish progesterone, and hinder the maturation and ovulation of the oocytes of the obtained homozygous female fish, so that it is unable to mate and lay eggs with wild-type male fish, thereby obtaining infertile female fish. After the obtained infertile female fish is treated with gonadotropin and corresponding preparations, it can restore the ability to mate and lay eggs naturally with wild-type male fish, and achieve a higher fertilization rate and membrane emergence rate, and the surviving offspring individuals have no obvious difference in morphology from wild-type fish of the same period. In the above manner, the method provided by the present invention can be widely used in various types of aquaculture fish to achieve effective control of the fertility of female fish in aquaculture fish, and protect ecological safety, and has broad application prospects in the field of genetic breeding and ecological safety of aquaculture fish.

This utility model discloses a basket structure for maritime rescue, relating to the field of maritime rescue technology. The utility model includes a first connecting block and a second connecting block disposed above the first connecting block. A first connecting rope is fixedly connected to the top of the second connecting block. It also includes: an extension portion disposed above the first connecting rope; a retractable portion disposed on the first connecting block; and several retractable portions, all located outside the first connecting block. Each retractable portion includes several support assemblies. This utility model, by incorporating the retractable portion, solves the problem of existing basket structures being inconvenient to retract during use. This results in a large surface area of ​​the basket's bottom in contact with the water when lowered into the water, causing the buoyancy of the water to act instantly over a large area, leading to violent shaking of the basket and hindering rescue efforts.