31results about How to "Shorten search and rescue time" patented technology

The invention discloses a searching and rescue robot system moving control method based on a multi-intelligent-agent theory. The searching and rescue technology applied to large-scale high-efficiency robot groups is not comprehensive, and particularly, the group behavior control of the searching and rescue robot group is deficient. The method provided by the invention comprises the following concrete steps that a leader robot and a plurality of follower robots form a queue to enter a region A; in a concrete searching and rescue process, the leader robot firstly searches a partial region of the region A, if the region is not searched, a follower robot G1 is left for searching the region A, and the leader robot leads the rest follower robots to continuously search a next region until the whole target region is completely searched; after completing the searching on the region A, the follower robot G1 finds the leader robot and follows the leader robot. The method provided by the invention that the possibility is provided for the large-scale searching, workers only need to control the leader robot through a terminal, the control mode is simplified, and the control effect is enhanced through a high-automation work mode among the robots.

The invention provides a method for positioning nodes of a wireless sensor network for maritime search and rescue. The method comprises the steps of calculating the initial positioning position information of a selected beacon node which is closest to the position of a target node and has the same movement state through maximum likelihood estimation positioning algorithm; correcting the initial positioning position information of the selected beacon node for the first time to obtain the position information of the selected beacon node after first correcting; correcting the coordinate error of the position information of the selected beacon node after first correction to obtain the final position of the selected bean node; correcting the initial positioning position information of the target node, calculated by the maximum likelihood estimation positioning algorithm according to the final position of the selected beacon node and the first correction and coordinate error correction results, so as to obtain the final position of the target node. The method is adapted to marine wireless sensor network with relatively high dynamics, and can provide real-time and accurate node position information.

The invention discloses a cap having a lighting function. The cap comprises a cap body; an outer wall of the cap body is provided with an electric box; the outer wall at the top of the cap body is provided with damping arcs and an alarm; an outer side of the electric box is provided with a sliding chute and an external connecting line; the electric box is in clamp connection with a lamp socket via the sliding chute; one side, far from the sliding chute, of the lamp socket is connected with a wheel shaft; the lamp socket is connected with a lamp post via the wheel shaft; the wall of the lamp post is provided with a switch, an interface, a hand rocking bar and a fixing rope; one end, far from the sliding chute, of the lamp post is connected with a lamp holder; an inner wall of the cap body is provided with an inner liner; the center of the inner side of the inner liner and the inner wall of the cap body are provided with health care layers; and the inner side of the cap body is provided with fixing bands. The cap is artistic and convenient to operate, the height angle of the lamp is adjustable, users can be well protected, and the cap is suitable for promotion and application.

The invention discloses a maritime search and rescue device. A ship body of the maritime search and rescue device is of a three-body structure and comprises two wings and a main body; the two wings and the main body form a marine cell for providing electric energy to a system; a propeller is arranged at the rear part of the main body to provide a propelling force to the search and rescue device; a storage space in the front part of the main body is used for high-calorie dried foods and fresh water to be placed; life-saving supplies are stored in a storage space in the rear part of the main body and storage spaces in the two wings; a sonar detector is arranged above the main body and used for detecting survivors of surrounding waters; a GPS module is also arranged in the main body to provide positioning information to a control console; and a warning lamp is arranged at the middle part of the main body. When the sonar detector detects survivors, the life-saving supplies are ejected out through ejectors on the two wings, a front cover at the front part of the main body is opened, the warning lamp is also turned on. The maritime search and rescue device disclosed by the invention has the advantages of small volume, convenient transportation and convenient use and can be directly launched to marine peril areas for working by using an unmanned aerial vehicle.

The invention discloses a vehicle-mounted unmanned aerial vehicle fire rescue system. The system comprises a multi-rotor load unmanned aerial vehicle and a rescue cabin, the multi-rotor load unmannedaerial vehicle comprises a flight unit, an image vision unit and a data transmission unit, and the rescue cabin is arranged below the multi-rotor load unmanned aerial vehicle. One end of the rescue cabin is provided with a rescue entrance, the rescue entrance is provided with a retractable rescue bridge, and the bottom of the rescue cabin is further provided with a rescue exit which communicates with the interior of the rescue cabin and can be opened and closed. The vehicle-mounted unmanned aerial vehicle fire rescue system can be used for high-altitude fire rescue, the rescue time of firefighters and the route planning time can be shortened by adopting the unmanned aerial vehicle rescue system, the time for the firefighters to rescue trapped persons can be greatly shortened, the danger that the firefighters die during search and rescue is avoided, and meanwhile, the probability of successful rescue of the trapped persons is improved.

The invention relates to a backpack with a positioning function. The backpack comprises a backpack body and backpack shoulder straps arranged on two sides of the back of the backpack body, an extension cover is arranged at the top of the backpack body, a storage battery is arranged at the bottom of the backpack body, a collision monitoring module is arranged at the back of the backpack body, distress signal lamps are arranged on two sides of the backpack body, a solar electric power storage module is arranged on the outer surface of the extension cover, a distress switch is arranged on the outer side of one backpack shoulder strap, and the backpack body further comprises main functional modules and human body monitoring functional modules. When a tourist is strongly impacted due to fallingdown, a temperature detection module and a heart rate detection module detect human body conditions, human body data acquired by data processing of a data processing module and positioning data acquired by a positioning module pass a first wireless transmission module, alarm signals are transmitted, eye-catching degree is increased by the distress signal lamps, so that rescue workers can see theaccurate position of the tourist to be rescued after acquiring an approximately located position, and search and rescue time is shortened.

The invention provides a distress signal generator, relating to the technical field of emergency rescue equipment. The distress signal generator comprises a power supply, a trigger module, a power supply detection module, a switch, a control module and a distress signal generation module. The power supply comprises mains supply and a backup battery. The backup battery supplies power after the mains supply is cut. The power supply detection module is used for detecting whether the power supply is mains supply or backup battery power supply. The switch is switched on when the power supply detection module detects the backup battery power supply and allows the backup battery to connect the control module. The trigger module is connected to the power supply and the control module under the action of external force and allows the control module to work. The control module is used for controlling the distress signal generation module to emit a distress signal. The distress signal generation module is used for emitting the distress signal. The distress signal generator has the advantages of a simple structure and low cost, the distress signal can be automatically sent out under the action of the external force, thus trapped persons are easily found by rescuers, the search time is reduced, the rescue time is reduced, deaths are reduced, and the distress signal generator has a wide range of application and a value of popularization.

The invention relates to a combined embedment type safety refuge device applicable to public places. The device comprises a main body, closed doors, a storage battery, an oxygen supply self-control device, a cabin pressure regulating and controlling device, an in-cabin gas parameter detection system, an air purification system, a phase-changed refrigeration system and a control console, wherein the main body is in a honeycomb structure consisting of seven cabins and has the advantages of high structural strength and compact connection, meanwhile, underground space is effectively utilized, and the utilization rate of over-ground space is increased; when disaster happens, multiple safety emergency refuge devices are fixedly connected, so that search-and-rescue time of rescue personnel is saved; even though a single unit is split to a separate position in the disaster environment, life safety of escape people in the cabin can be guaranteed; tight locking of the explosion-proof closed doors is realized through simultaneous operation of a large number of extension bars, self-locking is completed through profile connection in self-locking devices, and reliable connection during explosion impact or falling impact is guaranteed accordingly.

One or more embodiments of the invention provide a search theory-based search and rescue resource scheme generation method and related equipment. The search theory-based search and rescue resource scheme generation method comprises the steps: obtaining accident information and search and rescue capability information of search and rescue resources; determining a search area and a discovery probability of search and rescue resources so as to determine a search success rate; determining a comprehensive score of search and rescue resources according to the search and rescue capability informationso as to determine a robustness score; determining a solution set based on a multi-objective decision analysis algorithm, determining an optimal solution set according to the search success rate andthe robustness score, and generating and outputting an optimal solution scheme. One or more embodiments of the method disclosed in the present specification are based on accident information and available search and rescue resource information; by determining the search success rate and the robustness score of the search and rescue resources and analyzing and solving the search success rate and the robustness score, a reasonable search and rescue resource scheme is given to assist a decision maker in making a scientific decision, so that a task allocation scheme for the search and rescue resources can be efficiently completed, the search and rescue time is saved, and the search and rescue efficiency is improved.

The invention relates to a life jacket with alarming and positioning functions. The life jacket comprises a jacket body, a connecting cover, a mounting plate, a positioner, an expansion assembly, rearshoulder straps and a power supply. A mounting groove for mounting the mounting plate is formed in the connecting cover; the positioner is electrically connected with the power supply, and the positioner and the power supply are both arranged on the mounting plate; the mounting plate is provided with an inflating disc capable of releasing gas when being impacted; and an air outlet end of the inflating disc is communicated with a first mounting cover and a third mounting cover. The expansion assembly comprises the first mounting cover, a first expansion air bag, a second mounting cover, the third mounting cover and a second expansion air bag. The first mounting cover and the second mounting cover are connected to form a cover body; the cover body is filled with the first expansion air bag;the rear shoulder straps are connected to the shoulders of the jacket body and provided with warning lamps electrically connected with the power supply. The personnel can trigger the inflation disc to inflate by patting the life jacket so as to provide buoyancy; the warning effect of the warning lamp is better, and the life jacket has a positioning function and facilitates accurate search and rescue of the search and rescue personnel.

The invention discloses a spliced warm-keeping life jacket capable of automatically emitting light at night, which comprises a first cold-proof life jacket body and a life belt assembly, wherein a lifesaving waistcoat assembly is arranged in the first cold-proof life jacket body; the upper side of a lifesaving waistband assembly is connected with the lifesaving waistcoat assembly through a first zipper; the first cold-proof life jacket body comprises a light-emitting strip, a second storage bag and a second zipper; the light-emitting strip is attached to the first cold-proof life jacket body;the second storage bag is fixed to the front side of the first cold-proof life jacket body; and meanwhile the second zipper is fixed to the second storage bag. The spliced warm-keeping life jacket capable of automatically emitting light at night is provided with the first zipper, the lifesaving waistcoat can disassemble and assemble the lifesaving waistband through the first zipper, an inflatablelife buoy in the lifesaving waistband can be conveniently expanded to form the life buoy, other drowning people can be rescued, and therefore the practicability of the life jacket is improved.

The invention discloses a human-eye observation and machine signal detection combined maritime search and rescue information transmission method. The method comprises the following steps that (1) one who falls into water emits high-frequency SOS signals by using a worn SOS device to emit high-frequency flickering-light SOS information in the form of Morse codes or other improved encryption codes; (2) a search and rescue staff discovers the SOS signals by discovering the flickering-light SOS information emitted by the distant one who falls into water as well as high-frequency flickering light via the eyes or a telescope; (3) the search and rescue staff analyzes the high-frequency signals via a machine by using a machine signal detector to carry out high-frequency analysis on the high-frequency light and corresponding decoding and further to obtain information of the one, who falls into water, himself / herself as well as the accurate geographic position of the one; and (4) rescue is executed. Thus, information of the one who falls into water can be obtained from high-frequency flickering light, the one can be rescued rapidly, and the search and rescue efficiency is improved.

The invention relates to an underground embedded type safety emergency evacuation device, which comprises a main body, a sealing door, a battery, an oxygen supply automatic control device, a cabin pressure control device, a cabin air parameter detecting system, an air cleaning system, a phase change refrigeration system, and a control board. The main body adopts a block structure, comprising seven cabins which include six outer cabins and an intermediate cabin. The intermediate cabin and the outer cabin are welded with connecting flanges, and the side of the outer cabin is provided with an isolating door. A honeycomb structure is formed by connecting the six outer cabins and the side provided with the isolating door with the intermediate cabin through flanges. The underground embedded type safety emergency evacuation device consists of seven cabins connected by bolts, wherein the intermediate cabin is provided with various life-support systems and the six outer cabins are used for evacuation. Through the control system to control the coordinated operation of the whole device, and the closed door which is isolated from the outside, the underground embedded type safety emergency evacuation device has the advantages of high structural strength, simple and compact structure and convenient operation.

The invention relates to a floating parachute. The floating parachute is mainly characterized in that safety landing is realized by means of interaction between air buoyancy and air resistance; a parachuter is surrounded by air bubbles to ensure safer landing, and the floating parachute can be used as a life boat when the landing site is on water surface; meanwhile, multi-air bubble design can prevent parachute failure caused by one destroyed air bubble; moreover, a controller is arranged to change the windward area of the air bubbles optionally, so landing speed and direction are changed.

The invention discloses a tourism safety management system. The tourism safety management system comprises a power supply system, a server side, a tourist side and a charging system; the server side is provided with a storage, a processor, a wireless transmitter and a wireless receiver; the storage and the processor can process a lot of requirements at the tourist side; due to the wireless transmitter and the wireless receiver, the communication range can be enlarged; and the communication efficiency can be increased. According to the tourism safety management system disclosed by the invention, the tourist side comprises a rescue system, a GPS positioning navigation system and a wireless transceiving system; when a tourist encounters danger, a rescue signal and a position are sent; a manager can rapidly know the position, where the tourist encounters danger, and determine how to take a rescue measure; therefore, the searching and rescuing time is reduced; the efficiency is increased; and thus, safety of tourists can be ensured effectively.

The invention discloses a mine search and rescue system and method based on visible light communication. According to the mine search and rescue system and method based on the visible light communication, the brightness of the surrounding environment of intelligent equipment is constantly detected by a photosensitive sensor, a light intensity information value in the surrounding environment of theintelligent equipment is judged, the intelligent device is enabled to reach the position where light is strong, the intelligent equipment is enabled to go forward in the direction of the strongest light all the time, and finally an exit is found; intelligent search and rescue can be carried out so as to shorten search and rescue time and improve search and rescue accuracy, wireless communicationis adopted for information transmission, and information detected by each component is transmitted to receiving equipment of searching and rescuing personnel through wireless communication, therefore,the remote wireless transmission control function is realized, and the human search for survivors in a rescue site can be replaced.

The present invention provides a node positioning method for maritime search and rescue wireless sensor network, which uses the maximum likelihood estimation positioning algorithm to calculate the initial positioning position information of the selected beacon node that is closest to the target node and has the same motion state; according to the acquired The movement trajectory of the selected beacon node is first corrected for the initial positioning position information of the selected beacon node to obtain the first corrected position information of the selected beacon node; after the first corrected position information of the selected beacon node Based on the coordinate error correction of the position information of the selected beacon node, the final position of the selected beacon node is obtained; according to the final position of the selected beacon node and the results of the first correction and coordinate error correction, the maximum likelihood estimation positioning algorithm is used to calculate The initial positioning position information of the target node is corrected to obtain the final position of the target node. The invention can adapt to the highly dynamic maritime wireless sensor network and provide more real-time and more accurate node position information.

The invention discloses an intelligent search method and system which are used for improving the rescue success rate. The method comprises the following steps: acquiring a consumption record of a target lost person, wherein the consumption record comprises a first shopping record of the target lost person at a departure place and a second shopping record of the target lost person within a preset time before the target lost person is hiking; obtaining a departure place image set of the target lost person through the first shopping record, wherein the departure place image set is a shot image of the target lost person at a departure place; determining a target clothing image set of the target lost person according to the first shopping record, the second shopping record and the departure place image set; obtaining shoe images in the target clothing image set; determining a shoe style of the target lost person according to the shoe image; obtaining shoeprint characteristics of the shoe style from a database; and determining the target clothing image set and the shoeprint features as search and rescue features.

Provided is a distress signal generator, relating to the technical field of emergency rescue equipment. The distress signal generator comprises a power supply (1), a trigger module (2), a power detection module (3), a switch (4), a control module (5), and a distress signal generation module (6). The power supply (1) comprises a mains supply and a backup battery, and the backup battery being used for supplying electricity after the mains supply is cut off. The power detection module (3) is used to detect whether the power supply (1) is powered by the mains supply or the backup battery. The switch (4) is closed when the power detecting module (3) detects that the backup battery is supplying electricity, so that the backup battery is connected to the control module (5); The trigger module (2) connects the power supply (1) and the control module (5) under external force to make the control module (5) work. The control module (5) is configured to control the distress signal generating module (6) to issue a distress signal. The distress signal generation module (6) is configured to issue a distress signal. The distress signal generator has a simple structure and low cost, and can automatically send a distress signal under a external force, so that the trapped person can be easily found by the rescue personnel, which shorten or reduce the search and rescue time, and reduce the casualties, with wide application range and high promotion value.

The invention discloses an intelligent evacuation indication system with a positioning function. The system comprises a controller module, wherein an input end of the controller module is bidirectionally and electrically connected with a comprehensive detection unit, and the comprehensive detection unit comprises an oxygen detection module, a smoke alarm module, a visibility detection module, a temperature detection module and a harmful gas detection module. According to the system, the controller module, the comprehensive detection unit, the oxygen detection module, the smoke alarm module, the harmful gas detection module, the main line power supply module, the emergency communication module, the wireless transceiver module, the wireless positioning module, the fire protection module, the wireless communication module, the terminal processing module and the central monitoring display module are cooperatively used; the system is high in intelligent degree, facilitates remote voice communication and monitoring with trapped persons, can indicate escape routes for the trapped persons in time, facilitates rapid positioning of persons difficult to evacuate, and greatly saves search and rescue time.

The invention discloses a human-eye observation and machine signal detection combined maritime search and rescue information transmission method. The method comprises the following steps that (1) one who falls into water emits high-frequency SOS signals by using a worn SOS device to emit high-frequency flickering-light SOS information in the form of Morse codes or other improved encryption codes; (2) a search and rescue staff discovers the SOS signals by discovering the flickering-light SOS information emitted by the distant one who falls into water as well as high-frequency flickering light via the eyes or a telescope; (3) the search and rescue staff analyzes the high-frequency signals via a machine by using a machine signal detector to carry out high-frequency analysis on the high-frequency light and corresponding decoding and further to obtain information of the one, who falls into water, himself / herself as well as the accurate geographic position of the one; and (4) rescue is executed. Thus, information of the one who falls into water can be obtained from high-frequency flickering light, the one can be rescued rapidly, and the search and rescue efficiency is improved.

The invention discloses a BeiDou locating field searchlight. The BeiDou locating field searchlight comprises a shell body, a lampshade, a compass, a bulb, a BDS receiver, a BDS antenna, a battery and a rear cover, wherein the shell body is provided with a front cavity and a rear cavity; the lampshade, the compass and the bulb are installed in the front cavity; the BDS receiver, the BDS antenna and the battery are installed in the rear cavity; the light spreading paths in the lampshade include a vertical path and a horizontal path, a plane mirror is installed in the included angle between the two paths, the compass is installed below the vertical path, and the bulb is located below the compass; the light emitted by the bulb penetrates through the compass, illuminates on the plane mirror, is reflected to pass through the horizontal path and then illuminates outside the searchlight, and the projection of the compass is in the light of the searchlight all the time; the BDS receiver works out position information and feeds the position information back to the background in real time through the BDS antenna; and the rear cover is filled with tritium gas and fluorescence mixture and shines all the time so that a search and rescue team can find field workers as soon as possible in an accident.

The invention discloses an intelligent safety helmet, and belongs to the field of safety helmets. The intelligent safety helmet is characterized in that when a constructor wears a safety helmet set toconstruct on an underground construction site, a control terminal sends the corresponding voice information to the safety helmet group worn by the constructor at regular time through a fixed relay terminal and a portable fixed terminal, and the information comprises the safety warning words, the engineering introduction, the quality standards, the process key points, the operation step voice information and the like; the signal connection safety of the construction personnel in the underground construction site is ensured through the portable fixed terminal for relaying, so that the constructor is not easy to lose communication with the control terminal, and the production safety accidents are not easy to cause. When an accident occurs on the underground construction site and the construction personnel and the control terminal are disconnected, the search and rescue personnel can quickly position the construction personnel through the portable fixed terminal finally arranged by the construction personnel, so that the search and rescue time is greatly shortened, the search and rescue efficiency is improved, and the survival probability of the construction personnel is improved.

The invention belongs to the technical field of fire fighting equipment, particularly to a wireless signal receiving circuit capable of judging positions and directions of firemen. The wireless signal receiving circuit comprises antennae, transistors, resistances, a filter, a single chip machine and an integrated receiver. Base electrodes of the first transistor and the second transistor are respectively connected with the first antenna and the second antenna, and collectors thereof are respectively connected with the filter. An output line of the third transistor is connected with a channel of the first transistor and the first antenna, an output line of the fourth transistor is connected with a channel of the second transistor and the second antenna, and input lines of the third transistor and the fourth transistor are respectively connected with the single chip machine. One end of the integrated receiver is connected with the filter, and the other end thereof is connected with the single chip machine. One end of the fifth transistor is connected with the single chip machine, and the other end thereof is connected with the second resistance. The first resistance and the second resistance are connected with emitting electrodes of the first transistor and the second transistor in parallel.

The invention discloses a rapidly positioned agricultural unmanned aerial vehicle. Propellers are arranged on wings, and wing connecting rings are sequentially connected to the bottom ends of the wings in the circumferential direction. Hollow supporting feet are installed at the bottom of a pesticide pot in a communicating mode, the tail ends of the supporting feet are horizontally arranged, spraynozzles are installed at the tail ends of the supporting feet, and high-pressure nozzles are arranged at the positions, located in the centers of the supporting feet, of the bottom end of the pesticide pot. A pesticide channel is formed inside the wings, the pesticide channel separately communicates with the hollow wing connecting rings and the medicine pot, and a plurality of pesticide through holes are formed in the walls of the wing connecting rings. A valve is arranged at the joint of the pesticide pot with the pesticide channel, the supporting feet and the high-pressure nozzles, and a remote controller of the aircraft is remotely connected with the valve to control opening or closing. Annular position lamps are arranged on the wall of the pesticide pot in the circumferential direction, and the position lamps are electrically connected with a power supply photovoltaic panel. A storage cavity is formed in the top end of the pesticide pot, and the storage cavity is filled with a signal bomb or a smoke bomb. The rapidly positioned agricultural unmanned aerial vehicle has a simple structure, convenient use, a wider spraying range, uniform pesticide dosage and a better fertilization effect.