123 results about "Rescue work" patented technology

A flying elevator is characterized by comprising (100) a ducted propeller arrangement. And (200) a flying elevator telescopic car body. And (300) supplying power to the transfer platform truck. And (400) an intelligent control system. And (500) final assembly of the structure. The mechanisms and the systems are combined through final assembly. Therefore, a set of economical and practical elevator type intelligent low-altitude aircraft is formed. The technical problem that a conventional low-altitude aircraft cannot be connected for a long time to continuously work and cannot be increased in capacity due to limitation of self-loading power or electric power is solved. The elevator is widely applied to high-rise buildings, high-altitude construction sites, disaster areas and scenic areas and serves as a temporary elevator or a short-distance aircraft. And the emergency operation and rescue work of personnel transfer and material transportation can be continuously carried out by a single machine for a long time. The flying elevator has the beneficial effects that 1, the flying elevator flies with lines, and electric power is continuously provided by using the mains supply or a vehicle-mounted power generation device, so that the flying elevator can continuously run for a long time; 2, off-line flight: driving the flight elevator to run by utilizing a reserve battery in an area which is not suitable for line-carried flight; and emergency operation and rescue work in different environments are facilitated. And 3, a multi-set mechanical structure design, a power supply device and a control system. And flight safety and operation convenience are guaranteed.

A fire early warning method based on multi-source information fusion, a system, and a medium. The method comprises single vehicle model training, model deployment, fire risk assessment, BIM display and anomaly information notification. In the fire early warning method based on multi-source information fusion, the system, and the medium, a vehicle temperature fault mode can be quickly and accurately identified by performing deep fusion and model training on image and location and temperature information of the vehicle, thereby improving the accuracy of fire early warning; and multi-source information is acquired in real time, such that when over temperature occurs in the vehicle, workers can quickly localize the vehicle and the vicinity thereof, so that measures can be taken promptly for the over-temperature vehicle, thereby preventing the occurrence of fires or reducing the severity of fire damage, and providing strong support for fire prevention and control work. By establishing a bridge BIM model, a bridge fire risk map is displayed on a display device or a user terminal, and a command department, workers and drivers can quickly ascertain information regarding the location, cause, severity, and vehicle density of a current bridge fire by means of the bridge fire risk map; the system has high environment adaptability, fire risk assessment can be carried out in different environments, the decision-making efficiency of the command department is improved, the workers can quickly arrive at a rescue site to carry out firefighting and rescue operations, and drivers in low-risk areas can quickly evacuate from the bridge or assist the workers in evacuating others, thereby reducing casualties and economic losses caused by fires as much as possible.

1. Name of the designed product: water robot. 2. Use of the designed product: for water rescue work. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.

The invention provides a lining profiling reinforcing device suitable for tunnel collapse accidents, and relates to the field of emergency rescue of tunnel collapse accidents. After a tunnel collapses, a safe working environment is provided for rescue workers, and therefore a damaged vault in a metastable state needs to be reinforced. At present, emergency departments mostly adopt a method of temporarily building a supporting body to reinforce a damaged vault, however, the manual operation action is rough, secondary collapse of a tunnel is easily caused, the operation time is long, and the built supporting body occupies a large space, so that the smooth development of rescue work is influenced. According to the profiling reinforcing device, the multi-degree-of-freedom chain is adopted for conducting profiling attaching on the inner wall of the tunnel, power is provided for the profiling attaching procedure of all the chain links through gear transmission, and when all the chain links are fixed to the rack, reinforcing work on the inner wall of the tunnel is completed. An automatic operation mode is adopted, irregular damaged vaults can be supported and reinforced, and safety guarantee can be provided for rescue workers.

This utility model discloses an L-shaped flood control wall structure, relating to the field of flood control wall technology. The utility model includes a main frame mechanism, which includes a first flood control plate. A second flood control plate is rotatably connected to the back of the first flood control plate via a pin. The utility model employs an unfolding assembly. Specifically, pulling or twisting causes a limiting rod to disengage from the limiting hole. Simultaneously, when the limiting rod moves, it causes the limiting plate to compress a third spring. The third spring, constrained by the inner wall of the second supporting sleeve, contracts and stores force. When the limiting rod disengages from the limiting hole, both the second and first springs generate a certain rebound force, causing the connecting rod and slider to reset. At this point, the second and first flood control plates are at a 90-degree angle. The equipment can be quickly unfolded to promptly block floodwater, buying valuable time for subsequent rescue work and minimizing casualties and property damage. Furthermore, it is foldable for storage, occupying little space and facilitating transportation and storage.

The utility model relates to a locomotive and a rescue system, the locomotive comprises a locomotive body, the locomotive body comprises a frame and walking wheels arranged on two sides of the frame, and the locomotive is characterized in that rescue modules are respectively arranged at two ends of the frame, each rescue module comprises a telescopic power and a support frame, one end of the telescopic power is connected with the frame, and the other end of the telescopic power is connected with the support frame. The other end of the telescopic power is in transmission connection with the support frame, and the support frame is provided with two groups of rescue wheels which are oppositely arranged; telescopic power drives the supporting frame to release and recycle the rescue wheels through stretching and retracting. When the rescue wheels are in the recovery positions, the lower ends of the rescue wheels are higher than or flush with the lower ends of the walking wheels; when the rescue wheels are in the release positions, the lower ends of the rescue wheels are lower than the lower ends of the walking wheels; according to the locomotive, under the condition that the traveling wheels of the locomotive are locked, rescue workers can complete rescue work on the locomotive more conveniently and efficiently, and damage to the locomotive and the rails cannot be caused.

The application provides a toxicant diffusion simulation method based on Fluent, which comprises the following steps: data input, receiving explosion data; first simulation, explosion dispersion simulation according to the explosion data; second simulation, cloud diffusion simulation according to the explosion data and the first simulation result, to obtain a diffusion model. In the application, the concentration and diffusion of toxic substances in a unit space within a short time after the explosion are measured and estimated according to the diffusion model, the explosion process can be simulated and modeled according to the initial explosion data, the radial velocity of explosion diffusion, the concentration of toxic substances, and the size, range, temperature field and pressure field effect of the formed aerosol cloud are obtained, the effective assistance of rescue work under the explosion situation is realized, and the exclusion work or optimization of the space layout of the flammable and explosive scene is realized to improve the safety factor of the scene.

The utility model provides a kind of railway vehicle derailing rescue horizontal moving device, belong to railway vehicle rescue equipment technical field, for the rescue horizontal moving after railway metallurgical heavy load vehicle derails.Its technical scheme is: base and manual hydraulic pump station are placed on the railway foundation outside the derailing carriage, the rear end of two iron chains is fixedly connected with base respectively, the front end of two iron chains is connected with grab hook respectively, grab hook is hooked on rail, the rear end of cylinder body of hydraulic cylinder is connected with base, hydraulic cylinder is connected with manual hydraulic pump station by high-pressure oil pipe, the front end of hydraulic push rod of hydraulic cylinder is on the sidewall of derailing carriage.This utility model is simple in structure, convenient to use, can carry out horizontal moving rescue after railway metallurgical heavy load vehicle derails, and horizontal moving process is efficient, fast and stable, significantly shortens rescue time, reduces the working strength of operator, and guarantees the smooth progress of rescue work.

The utility model discloses a modularized multifunctional task system of a vertical fixed-wing unmanned aerial vehicle belly quick-release interface, which belongs to the field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, an infrared thermal imaging intelligent inspection module is arranged at the bottom of the unmanned aerial vehicle body close to the front side, and the bottom of the unmanned aerial vehicle body is provided with the belly quick-release interface. And an intelligent air-drop transportation module or a high-power lighting module is detachably arranged on the machine belly quick-release interface. According to the utility model, through the belly quick-release interface, quick switching of multiple functional modules is realized, so that the unmanned aerial vehicle can play a role in different disaster relief scenes, and the utilization rate of equipment is improved; each module has the characteristics of high efficiency and accuracy, the infrared thermal imaging intelligent inspection module can accurately position a target, the intelligent air-drop transportation module is high in dropping accuracy, the high-power illumination module is good in illumination effect, and powerful support can be provided for rescue work; the belly quick-release interface enables the module to be replaced quickly, simply and conveniently, task conversion can be completed in a short time, and different rescue requirements are met.

A system is provided.SOLUTION: A system including, as information collection means, means for collecting data in real time from a plurality of information sources, means for pre-processing the collected data, means for integrating the pre-processed data, means for analyzing the integrated data by generative artificial intelligence, means for automatically setting a priority of rescue based on an analysis result, and means for sharing the set priority and information with each institution.SELECTED DRAWING: Figure 1

The invention relates to the technical field of medical equipment, in particular to a portable intelligent puncture detection device, system and method, and the device comprises a puncture module which is used for carrying out blood vessel puncture and obtaining a sample through infrared or ultrasonic guidance; the monitoring module is connected with the puncture module and is used for analyzing the sample and acquiring blood biological indexes of the blood; the monitoring module is also used for monitoring hemodynamic parameters through PICCO; the analysis module is used for carrying out analysis by adopting the constructed analysis model according to the blood biological indexes and the hemodynamic parameters to obtain analysis results, and the analysis results comprise illness condition severity program classification, treatment suggestion and prognosis prediction of the patient; the verification module is used for acquiring and displaying an analysis result; and the server is also used for acquiring an analysis result confirmation signal, confirming the analysis result and displaying a confirmation result. According to the scheme, multi-parameter and multi-index monitoring can be carried out, data analysis is carried out, the data utilization rate is increased, and medical workers are assisted to carry out treatment work.

The application provides a kind of intelligent positioning method and system of vehicle rescue state, it is related to vehicle rescue positioning technical field.The method includes receiving to vehicle-mounted end historical position information, if the curve corresponding to its analysis is sawtooth curve with amplitude, vibration frequency exceeding threshold value in set time length, determine to enter GPS signal invalid region.After receiving rescue request signal, obtain last effective positioning point before invalidation, vehicle speed data and historical trajectory information, determine predicted driving distance in combination with vehicle speed and effective time, then determine candidate path in combination with historical trajectory, positioning point and topographic path map, determine candidate position set matched with predicted distance on candidate path, determine the final position to be rescued in combination with ground base station position information.The positioning method of this multi-dimensional information fusion can not only realize intelligent prediction positioning of vehicle position in the case of GPS signal failure, but also provide reliable position basis for timely rescue work.

The utility model relates to the technical field of emergency rescue equipment, in particular to an information acquisition device for an emergency rescue site of a collapsed building, which comprises an acquisition box, and an information acquisition assembly and a telescopic assembly are arranged in the acquisition box. The information acquisition assembly covers a control panel and various information acquisition modules, such as a life acquisition module, a gas detection module, a dust detection module and a temperature and humidity detection module, and communicates with the control panel through a wireless signal transmission module. The telescopic assembly is composed of a telescopic telescopic rod, the sealing cavity is inflated through the air pump to achieve stretching and retracting, and the free end of the telescopic assembly is provided with the disassembly and assembly assembly so that disassembly and assembly of the information collection module can be facilitated. According to the device, rescue site information can be collected in all directions, the detection area is flexibly adjusted, and the efficiency and safety of rescue work are improved.

The utility model relates to the technical field of stretchers, and discloses a high-rise rapid multifunctional emergency stretcher which comprises a supporting column, a supporting plate is fixedly connected to the outer wall of the supporting column, and a folding mechanism is arranged on the outer wall of the right side of the supporting column. The folding mechanism comprises an extension column, a bottom plate is fixedly connected to the bottom end of the extension column, a connecting plate is rotatably connected to the upper portion of the inner side of the bottom plate, a placing plate is rotatably connected to the top end of the connecting plate, a positioning pin is elastically connected to the inner wall of a positioning block through a connecting spring, and a supporting mechanism is arranged at the top end of the placing plate. A lighting mechanism is arranged on the left side of the supporting column. According to the folding stretcher, when the whole stretcher is folded, limiting of the positioning pins can be relieved by moving the thumb upwards at the moment, then the extension column is moved to enable the placing plate to rotate, and the whole stretcher is stored, so that rescue operation is facilitated, and rescue work is smoother.

The invention relates to the technical field of fire-fighting smoke exhaust and ventilation, and discloses a charging garage shared smoke exhaust and air exhaust system and a fireproof control device.The charging garage shared smoke exhaust and air exhaust system comprises an air inlet pipe, a controller is fixedly connected to the interior of the air inlet pipe, a main pipe is fixedly connected to the outer wall of the air inlet pipe, and a smoke exhaust pipe is fixedly connected to the outer wall of the main pipe; a smoke sensor is fixedly connected to the inner wall of the smoke exhaust pipe, a temperature sensor is fixedly connected to the inner wall of the smoke exhaust pipe, the controller is electrically connected with the smoke sensor, and the controller is electrically connected with the temperature sensor. The smoke exhaust pipe is installed on the outer side of the main pipe, the first electric fireproof valve is arranged in the smoke exhaust pipe, and meanwhile the smoke sensor and the temperature sensor are installed in the smoke exhaust pipe, so that the effects of rapidly monitoring the fire behavior of the charging garage, isolating the fire area, isolating smoke, removing smoke in the disaster area and assisting follow-up rescue work to be smoothly carried out can be achieved.

The utility model relates to a rail locomotive convenient for rescue and a rail transit system, comprising a locomotive body and a rescue module, the locomotive body comprises a frame and walking wheels, the rescue module comprises a power and a bearing structure, and the bearing structure comprises a lower support member and two groups of spare wheels; each group of spare wheels comprises at least two spare wheels, and each spare wheel is rotatably arranged on the lower supporting component; the lower supporting component is connected to the frame in a liftable mode and can be switched between a first position and a second position, and when the lower supporting component is located at the first position, the lower end of the standby wheel is higher than or flush with the lower end of the walking wheel; when the lower supporting component is located at the second position, the lower ends of the spare wheels are lower than the lower ends of the walking wheels; the power device is in transmission connection with the lower supporting component and at least used for driving the lower supporting component to move downwards to the second position in the direction away from the frame. According to the rail locomotive, rescue work can be completed more conveniently and efficiently under the condition that the walking wheels are locked.

The utility model relates to the technical field of fire fighting equipment, in particular to a quick-release type fire fighting connector, which comprises connector one, a first connector assembly, a second connector assembly, a cross bar, connector two and a fastening assembly, a plurality of U-shaped plug-in plates are evenly arranged on the inner wall of the interface of connector one, a plurality of first installation grooves and second installation grooves are evenly formed on the side wall of the interface of connector one, a third installation groove is further arranged between the first installation groove and the second installation groove, the cross bar is arranged in the third installation groove, the cross bar is connected with the first connector assembly and the second connector assembly, a plurality of plug blocks matched with the U-shaped plug-in plates are evenly arranged on the inner wall of the interface of connector two, a square hole is formed in the middle of the plug block, and the utility model has the advantages that the quick-release type fire fighting connector is limited by the first connector assembly and the second connector assembly, the connection between connector one and connector two is fastened by the fastening assembly, connector one and connector two are prevented from falling off, and the subsequent fire fighting rescue work is affected.

This invention discloses a method for constructing a virtual boundary for a fire truck with a ladder. A sensing module collects environmental information around the ladder and sends it to a control module. The control module processes the data and constructs a three-dimensional environment model. A virtual boundary is created in the virtual space by setting a safe distance. Within the virtual boundary, the movement path of the working bucket at the end of the ladder is planned. This invention has the advantages of avoiding ladder collisions, ensuring that the ladder operates within a safe range, and improving the efficiency and safety of fire rescue work.

The application relates to the technical field of underwater salvage technology and discloses a universal underwater salvage device which comprises a fixed base, a salvage module and a safety pin, a through hole is arranged on the fixed base; the salvage module comprises a salvage hook, an anti-falling pawl and a buoyancy compensation cylinder; the salvage hook comprises a connecting part and a hook part connected with the connecting part; the connecting part is arranged through the through hole of the fixed base, the end of the connecting part protrudes from the end surface of the fixed base, and the safety pin is arranged on the end of the connecting part for limiting; the buoyancy compensation cylinder penetrates the side wall of the fixed base and is connected with the connecting part; the anti-falling pawl which faces the hook part is movably arranged on the connecting part, and a limiting hole is formed between the anti-falling pawl and the hook part. The universal underwater salvage device is used for completing a rescue task in cooperation with an underwater robot, has the searching and positioning capability in the rescue work, has the salvage implementation function by itself, has the simple overall structure, the salvage work is reliable, and the universal underwater salvage device is easy to realize.

The utility model relates to the technical field of rescue work discloses a multifunctional foldable portable rescue operation vehicle, including accomodation cabinet body, the inside drawer of accomodation cabinet body is installed, the four corner places of accomodation cabinet body bottom end all are installed with gyro wheel, the bottom end of accomodation cabinet body left side is installed with dustbin, and the inside articulated mounting of accomodation groove has support rod, the right side of accomodation cabinet body inside is provided with the locating slot, the bottom end of accomodation cabinet body right side is installed with the clamping seat. The utility model discloses that the right side of accomodation cabinet body is provided with support rod, accomodation groove, operating panel and locating slot etc. assembly, the operating panel set up right side can be unfolded in accomodation cabinet body right side and forms corresponding operation platform when this operation vehicle uses, assists medical staff to carry out first-aid operation, improves the operation efficiency of medical staff, and when not needing using, still can fold accomodation up operating panel, uses more convenient.

The utility model discloses a limited space operation and rescue drilling platform, which belongs to the technical field of drilling platforms, and comprises a platform main body and a simulation pipeline assembly arranged at the bottom of the platform main body, the top of the platform main body is provided with a main well mouth and side well mouths positioned on two sides of the main well mouth; the simulation pipeline assembly comprises a main well pipe, a side well pipe, a transverse well pipe and a maintenance bin, the main well pipe, the side well pipe and the transverse well pipe are the same in structure and each comprise two same semicircular pipes, and the semicircular pipe located on the front face is a transparent pipe. Through the arrangement of the platform main body and the simulation pipeline assembly, real ground and underground pipelines are simulated, multi-person drilling operation can be carried out, and the use is flexible; through the arrangement of the main well mouth, the main well pipe and the maintenance bin, the situation of entering the maintenance bin for drilling can be simulated, and through the arrangement of the side well pipe, when drilling rescue work is simulated, ventilation from the side well pipe and rescue from the main well pipe can be simulated.

The utility model relates to the technical field of lifesaving bags, and discloses a portable lifesaving bag which comprises an equipment bin, the upper end face of the equipment bin is fixedly connected with a folding air bag, and the equipment bin is located in the folding air bag; a sliding rail assembly is fixedly connected to the inner bottom face of the equipment bin, and an impact column is slidably connected to the upper end face of the sliding rail assembly. The right end face of the equipment bin is fixedly connected with a carbon dioxide compressed gas tank. An energy storage bin is fixedly connected to the inner bottom face of the left side of the equipment bin, and a sliding groove corresponding to the impact column is formed in the energy storage bin. The left end face of the sliding groove is fixedly connected with a reset spring, and the right end face of the reset spring is fixedly connected with the left end face of the impact column. The device can inflate the folding air bag easily and quickly, so that the life-saving bag is more convenient and efficient when providing buoyancy support, and precious time is gained for rescue work; in addition, when not used, the folding air bag is in a compressed state and is convenient to carry.

The utility model relates to the technical field of forcible entry supports, and discloses a narrow space forcible entry support which comprises a bearing disc, a fixing piece connector and a positioning adjusting button, support arms are fixedly arranged on the two sides of the bearing disc and the two sides of the fixing piece connector through threads, and connecting sleeves are arranged in the multiple support arms in a sliding mode. A mounting block is fixedly arranged on the front side of the bearing disc, a directional pulley is fixedly arranged on the front side of the mounting block through threads, a hand-cranking disc is fixedly arranged on the upper portion of one of the rear ends of one side of the multiple support arms through threads, and the hand-cranking disc can rotate in a hand-cranking mode. According to the utility model, the forcible entry support capable of rapidly hoisting a forcible entry tool and rapidly installing the forcible entry tool on an underground pipeline is designed for solving the problem that the forcible entry tool cannot be rapidly rescued due to narrow space, and the forcible entry support has a folding function and a light-transmitting function, is light in weight, convenient to carry, simple to assemble, time-saving and labor-saving, and can be rapidly used in rescue work; and people can use conveniently.

The invention discloses a double-layer lifting type automatic loading and unloading assault boat transport vehicle, which relates to the technical field of emergency rescue transport equipment, and comprises a transport vehicle body, a lifting mechanism, a loading and unloading mechanism and an assault boat trailer frame, the lifting mechanism comprises an upper-layer plate, a lower-layer plate, a vertical plate, a first fixing block, a second fixing block, a rectangular frame, an extension rod, a matching block and a first electric-hydraulic push rod. According to the double-layer lifting type automatic loading and unloading assault boat transport vehicle, an assault boat body, an outboard engine and a trailer frame do not need to be disassembled, overall loading and unloading of the assault boat and the trailer frame can be achieved, the tedious disassembling and on-site assembling steps in a traditional transport mode are thoroughly omitted, large-scale external equipment such as a crane and a loading vehicle does not need to be relied on, and the transportation cost is reduced. The loading and unloading operation can be completed only through the device carried by the vehicle, equipment deployment can be rapidly carried out even in complex terrains or remote rescue sites, the rescue preparation time is remarkably shortened, and it is ensured that water area rescue work is put into the first time.

The invention relates to the technical field of national settlement building disaster prevention and control, and discloses a national settlement building-based disaster prevention and control supervision system, which comprises a multi-dimensional monitoring module and an intelligent supervision module. According to the system, structure monitoring data, environment monitoring data and activity monitoring data of a soil building are obtained through a multi-dimensional monitoring module and are classified to form a data set, an intelligent supervision module analyzes the corrosion degree of vertical columns in the soil building and the deformation degree of walls, a corrosion index and a deformation index are generated, the damage degree of the soil building is accurately quantified, and the damage degree of the soil building is analyzed. An intelligent monitoring module analyzes the emergency evacuation capability of the soil building, generates an evacuation index, timely finds potential safety hazards, is high in pre-prevention and control capability, outputs a corresponding early warning signal and a prevention and control instruction, guides emergency evacuation and rescue work, and is high in safety and reliability. The emergency response capability is enhanced, and disaster early warning is more timely and effective.

We provide the system. [Solution] An input method for disaster victims to enter information on the disaster situation, rescue requests, and necessary supplies, An analysis method using a generative AI model that analyzes input information to identify the extent of the damage and the type and quantity of necessary supplies and rescue efforts, A notification generation means that generates and sends notifications to the appropriate departments based on the analysis results, A route guidance system that uses GPS functionality to obtain the current location of disaster victims and guides them to the nearest evacuation shelter, A means of receiving information on the safety status of disaster victims and posting it on a disaster message board, A system that includes this.

The invention belongs to the technical field of drainage robot water pump application, and particularly relates to a series-parallel connection self-priming pump water inlet pipeline in-place locking device and a control method. Comprising an in-place device and a clamping device. The in-place device comprises a pipeline channel, an inlet end of which is used for placing a male joint and a mounting end of which is used for being fixed on a female joint; the fixing sleeve is arranged in the pipeline channel; the spring is arranged between the inner wall of the pipeline channel and the fixing sleeve, and the fixing sleeve has a movable state capable of overcoming the outward opening of the spring and a tightening state capable of keeping locking and keeping inward tightening under the action of the spring; according to the in-place locking device, manual pipeline assembly can be assisted, workers only need to push the joint male head into the inlet end of the pipeline channel, the manual work difficulty is lowered, and the use requirement for rapidly and efficiently carrying out rescue work under the conditions of personnel shortage and complex and severe working conditions is met.

The utility model relates to the technical field of ward distribution, in particular to a hospital ward distribution box based on the internet of things, which comprises a fixed shell, side retaining shells are fixedly connected to two sides of the fixed shell, an operation plate is rotatably connected to the front sides of the two side retaining shells, a top cover is fixedly connected to the top of the fixed shell, and a placement frame is arranged in the fixed shell. Telescopic grids are movably arranged on the two sides of the multiple placement frames, the containing shell is fixedly connected to the inner wall of the fixed shell, and a plurality of medicine storage shells are fixedly connected to the inner bottom face of the containing shell. According to the medicine storage device, the multiple medicine storage shells are arranged in the containing shell, the temperature control module can adjust the temperature to conduct cold storage on specified medicine, the medicine can be quantitatively guided into the flow collecting shell to be mixed by starting the push plate, the step of manually mixing the medicine is omitted, more precious time is provided for rescue work of medical staff, and the medical staff can conduct cold storage on the medicine. The whole fixing shell moves downwards after moving to the ward, the first motor is started to drive the multiple containing frames to move to make room, medicine and other materials can be taken and used more conveniently, and use is convenient.

The present application relates to a three-dimensional human body key point detection method based on an RGB-D camera in a crowd gathering scene, which comprises the following steps: obtaining an RGB image of a target human body to obtain two-dimensional pixel coordinates of human body key points through a deep learning-based 2D human body posture estimation algorithm, obtaining a depth image of the target human body to obtain depth values corresponding to the human body key points, optimizing the two-dimensional pixel coordinates through an adaptive mean filter, and obtaining three-dimensional coordinates of the human body key points in a camera coordinate system through coordinate transformation. The present application can quickly and accurately detect and obtain three-dimensional human body key point coordinates in a crowd gathering scene, provide information support for rescue work, and help robots operate and perform rescue tasks more accurately.

The utility model discloses a life jacket with a positioning function in the technical field of life jackets, which comprises a life jacket body, a fixing box is embedded on the inner side of the body and close to the upper part, a magic patch is laid on one side of the body and positioned on one side of the fixing box, and a positioning piece for displaying positioning is placed on the inner side of the fixing box. The positioning piece is placed in the fixing box, then the cover plate and the fixing box are installed and fixed through the lock catch piece, the sealing piece can conduct sealing operation on the fixing box through the cover plate, the situation that the positioning piece is damaged due to the fact that the positioning piece is soaked by water is avoided, and the problems that a positioning function is not achieved, and a wearer is inconvenient to track and rescue are solved. And the existing equipment is inconvenient to carry out waterproof protection on the positioning equipment, so that the positioning equipment is easy to soak and is damaged.