393 results about "Fire fighter" patented technology

The invention discloses a fireman occupational health risk dynamic prediction method based on multi-modal data fusion, relates to the technical field of occupational health risk assessment, and aims to solve the problems of information loss, difficulty in capturing cross-modal complex dependence, lack of interpretability of prediction results and the like when unstructured data is processed in the prior art. The method comprises the following steps: intelligently analyzing a multi-modal document, and analyzing unstructured physical examination information into structured data; performing semantic standardization and knowledge graph dual verification of domain knowledge enhancement; the time-space-static cross-modal attention deep fusion network is used for modeling physiological, dynamic and situational data; and carrying out interpretable risk prediction and attribution. By adopting the technical scheme, the method can realize early, accurate, dynamic and high-credibility prediction of the occupational health risk of the firefighter, provides quantitative attribution, and improves the transparency and application value of the system.

A device, and method for its use, which may be worn by a firefighter for detecting the source of a fire in a smoke-filled or noisy environment, the device having directional infrared sensors for detecting the direction of maximum or minimum intensity of infrared radiation in two or more directions relative to the wearer and reporting at least the direction of maximum or minimum intensity to the wearer by a tactile indicator contacting the skin of the wearer.

The invention discloses a fire emergency command system and method based on dynamic fire scene modeling and double-algorithm cooperation. The system comprises a fire scene intelligent map system, a fireman terminal, an unmanned fire fighting equipment terminal and external information. The method comprises the steps that the information management layer extracts the latitude and longitude of a fire point, calculates a spreading rate and a high-risk area mark and pushes the same to the display module; a commander issues a fire-fighting instruction to an AI auxiliary decision-making layer; a fire fighting task plan and a target fire point priority ranking table are generated by a target distribution module and a Hungary algorithm of the AI auxiliary decision-making layer; the AI auxiliary decision-making layer drives a fire extinguishing planning module to cooperate with an action path through an MADDPG algorithm, plans an unmanned aerial vehicle group airdrop route optimization and robot group breakthrough route, carries out data and instruction interaction to generate an end-to-end execution instruction set, and transmits the instruction set to the instruction layer; and the instruction layer sends the generated fire extinguishing instruction to each terminal to guide the firefighter and the unmanned equipment to extinguish the fire. According to the invention, full-chain optimization of fire rescue is realized through multi-dimensional technology fusion.

The invention belongs to the technical field of mobile communication, and relates to an unmanned aerial vehicle group formation control method in a forest fire scene, which comprises the following steps: constructing system models including an unmanned aerial vehicle formation model and a forest fire environment model; according to the unmanned aerial vehicle formation model and the forest fire environment model, constructing an optimization problem by taking minimization of an unmanned aerial vehicle formation total error as a target; the optimization problem is converted into a Markov decision process, the optimization problem is solved by adopting a multi-agent reinforcement learning algorithm based on the Markov decision process, and a formation control strategy for the unmanned aerial vehicle group is obtained; according to the method, the unmanned aerial vehicle group formation model and the forest fire environment model are constructed by comprehensively considering stroke, smoke, fire spreading and fireman positions in the forest fire scene, the optimization problem is constructed according to the models, and the target function of the optimization problem considers the position, speed, attitude and monitoring area total error of the unmanned aerial vehicle. Therefore, the method adapts to the actual environment condition of forest fire, and the unmanned aerial vehicle group formation can be controlled more efficiently.

The invention relates to the technical field of virtual training, in particular to a firefighter search, rescue and escape virtual training method and system, and the system comprises a virtual scene dynamic construction module which abstracts a room and a corridor intersection into nodes according to a planar graph of a building, abstracts a door and a channel into edges with geometric distance weights, and carries out the virtual scene dynamic construction module; and responding to a fire spreading or structure collapse event in the virtual training, adjusting the weight of a corresponding edge to be infinite, obtaining a shortest path, and establishing a reference rescue path set. According to the method, through dynamic analysis of building plan structure information, rooms and corridor intersections are abstracted as nodes, doors and channels are abstracted as edges with geometric weights, the accessibility of the edges is adjusted in real time after fire spreading or structure collapse occurs, impassable conditions are introduced during path calculation, and the path calculation accuracy is improved. And the real-time adaptability and rescue simulation precision of the path generation process are improved.

A safety helmet for a firefighter includes an outer shield having a neck opening and a front opening, a hinge located on an upper region of the front opening of the outer shield, a fire-retardant foam liner, a face shield including a sensor carrier attached to the hinge, a particulate air filter, a light emitting diode (LED) light strip, a mask mechanism configured to attach to the tapered nose opening of the transparent screen and the particulate air filter, a heads-up display (HUD) connected to an upper region of a proximal edge of the mask mechanism which faces the tapered nose opening, an oxygen port connected to the mask mechanism, a mask body connected to a distal edge of the mask mechanism, a speaker and microphone unit attached to the mask body, and a regulator nose cone.

The invention discloses a firefighter safety dynamic path planning and intelligent navigation homeward voyage method and system, and relates to the field of path planning, and the method comprises the steps: collecting the air pressure, distance, attitude and other data of a fire scene through an air pressure sensor, a UWB, an electronic compass and other sensors, obtaining the three-dimensional positioning coordinates of a firefighter through a fusion algorithm, and carrying out the navigation of the firefighter. Recording tracks and marking feature points to construct a path database; evaluating a danger level in combination with environmental parameters, and dynamically planning an optimal path by using an improved A * algorithm; judging getting lost through positioning continuity and the like, triggering return voyage, generating a reference path through reverse track tracing, and correcting the reference path; when the UWB signal is lower than a threshold value, a search and rescue request is sent, the position is optimized through triangulation positioning, the direction is guided, a manual and automatic multi-scene alarm mechanism is constructed, and alarm related data are synchronously transmitted through multiple channels. The system has the advantages that through precise three-dimensional positioning, dynamic path planning, intelligent homeward voyage and cooperative search and rescue, the system adapts to the complex environment of a fire scene, and the operation safety of firefighters and the emergency disposal efficiency are guaranteed.

The invention discloses a temperature on-line monitoring and early warning system for fire protection clothing, which relates to the technical field of fire protection monitoring and early warning and comprises a data collection module, a data preprocessing module, a calculation processing module and an early warning execution module. Wherein the calculation processing module comprises a dynamic temperature risk unit, a comprehensive environment risk unit and a safety prediction unit. The dynamic temperature risk unit fuses temperature, a safety threshold value, a change rate, material aging, humidity and a heat reflection attenuation coefficient, outputs a dynamic temperature risk coefficient and reflects a safety margin, and the comprehensive environment risk unit introduces gas concentration, the number of hazardous articles, smoke attenuation and an action intensity coefficient based on the dynamic temperature risk coefficient, constructs an environment coupling risk index, and finally performs the safety analysis on the environment coupling risk index. And the safety prediction unit integrates a basic safety time constant, an environment coupling risk index, a dynamic temperature risk coefficient, a heat flux density and an oxygen concentration correction coefficient, outputs a residual safety time prediction value, and guides an evacuation decision of a fireman.

Disclosed are methods and a safety system implemented within a structure of automatic modification of a rate of filling an air bottle with breathable air in the safety system. In accordance therewith, an air fill charge rate controller device is coupled to the breathable air from a source thereof in the safety system having a fixed piping system installed within the structure for supply of the breathable air across the safety system. A flow rate of the breathable air from the source thereof is detected through a flow sensor associated with the air fill charge rate controller device. In accordance with the detection of the flow rate, a control unit of the air fill charge rate controller device automatically modifies a fill rate at which the air bottle is to be filled with the breathable air.

The invention relates to the technical field of fire protection materials, in particular to an aramid fiber high-temperature-resistant thermal insulation material for a firefighter wear and a processing technology thereof. The composite material is mainly composed of the following components: 80-90 wt% of aramid fiber, 10-20 wt% of nano aerogel, and 5-10 wt% of a high-temperature-resistant binder. The aramid fiber is a mixture of meta-aramid fiber and para-aramid fiber, and the mass ratio of the meta-aramid fiber to the para-aramid fiber is (3-5): (2-4); the particle size of the nano aerogel ranges from 5 nm to 20 nm; the high-temperature-resistant binder is organic silicon modified phenolic resin. The invention has the following beneficial effects: through reasonable material formula design, the aramid fiber, the nano aerogel and the high-temperature-resistant binder are organically combined, and the addition of the nano aerogel significantly improves the heat insulation performance of the material, and can effectively prevent heat from being transferred to a human body, so that the sensible temperature of firefighters in a high-temperature environment is significantly reduced; the aramid fiber is subjected to surface pretreatment, and a specific processing technology is adopted, so that the binding force of the fiber and a binder is enhanced.

The utility model discloses an extension ladder fixing frame of a fire fighting truck, and belongs to the field of fire fighting, the fixing frame comprises a fixing plate arranged on a fire fighting truck body and a fixing assembly used for fixing an extension ladder on the fixing plate; a turnover mechanism is arranged on the fire fighting truck body; the turnover mechanism comprises hinged plates which are symmetrically and fixedly connected to the side of the lower end of the fixed plate, fixed seats which are symmetrically arranged on the two sides of the hinged plates and are fixedly connected to the side of the upper end of the fire fighting truck body, synchronous rods which are fixedly inserted into the two hinged plates and are rotatably connected to the fixed seats, and a driving motor which is fixedly mounted on the fire fighting truck body; the output end of the driving motor is fixedly connected with a shaft rod of the synchronous rod. Through the design of the turnover mechanism, the fixing plate horizontally placed at the top of the fire fighting truck body can be turned over to the side face of the truck body and is in a vertical state, so that the height of the extension ladder is reduced from the roof position to the height which a firefighter can stand, the firefighter is prevented from climbing the roof, and the taking and placing efficiency of the extension ladder is remarkably improved.

The invention discloses a safety monitoring system suitable for fireman training, relates to the technical field of fire-fighting training safety, and aims to solve the problems of difficulty in personnel positioning, communication distortion delay, low video monitoring efficiency and untimely safety intervention in existing fire-fighting training. The system comprises a UWB-based personnel positioning subsystem, a WebRTC-based real-time communication subsystem and a training guidance management subsystem. Wherein the UWB personnel positioning subsystem realizes accurate positioning and trajectory tracking of different training spaces, the WebRTC real-time communication subsystem realizes multi-mode real-time voice interaction and voice-text conversion, and the training guidance management subsystem realizes positioning display, communication scheduling, video linkage and alarm control through front and rear end cooperation. According to the system, the safety monitoring precision and the scheduling efficiency in fireman training can be improved, the training process backtracking and resetting are supported, and technical support is provided for the safety guarantee and efficiency improvement of fire training.

Disclosed are a method, a device and a system of a sensor integrated safety system based computing platform. The computing platform is executed on a data processing device and integrated with a set of sensors associated with components of a safety system In accordance therewith, the data processing device collects a number of parameters of the components of the safety system and / or of access thereof through detection of the number of parameters via the set of sensors. The number of parameters includes one or more parameter(s) related to breathable air from a source within the safety system supplied thereacross via a fixed piping system implemented therein and / or access of the breathable air. The data processing device also monitors the safety system and / or one or more components thereof based on the collected number of parameters.

The utility model relates to fire fighting equipment, concretely relates to a fire axe, including axe handle and the axe body that sets up in the one end of axe handle, the hollow structure of axe handle, is set with a folding mechanism in the axe handle, the folding mechanism includes the moving pipe of the sleeve setting in the inside of axe handle, the first sawtooth blade of rotation folding is embedded on the moving pipe, the first sawtooth blade is through the rotation pin of hollow structure and is rotationally arranged in the moving pipe end, is set with the connecting hole of a plurality of hole structure on the axe body, and the second sawtooth blade is rotationally arranged on the axe body, the utility model not only has the function that the traditional fire axe breaks and dismantles, but also has the function that assists the rope drop of fireman.

The application provides a firefighter fatigue detection method and device based on a dynamic region attention mechanism. The method collects continuous frame videos through a fire helmet camera, and calculates the target region occlusion degree during preprocessing. Accordingly, the dynamic region attention mechanism is used in the backbone network, the target region is divided into discrete sections according to the occlusion degree, and the sampling multiple is adjusted in the up-sampling layer to enhance feature extraction and improve the positioning accuracy of the small target region of the face and joints. The method effectively improves the real-time performance and accuracy of fatigue detection in complex fire environments, provides accurate decision support for the command center, ensures the safety of firefighters, and improves the rescue efficiency.

The utility model belongs to the field of fire fighting equipment discloses a kind of disparity-free infrared thermal imaging fire helmet of application AR screen display, including fire helmet main body and the protective shell connected in the front of helmet by damping pivot.The protective shell is integrated with infrared camera, visible light camera and binocular AR display screen located in the same horizontal line, and completely eliminates parallax.It also includes data processing module and battery module fixed on helmet, and data processing module has double light fusion, wireless transmission and beidou positioning function.The shell of key component adopts double-layer vacuum heat insulation design, and can resist 260 DEG C high temperature.The utility model liberates firefighter's both hands, realizes disparity-free, high-definition thermal imaging observation, improves fire scene investigation efficiency and rescue safety, and environmental adaptability is stronger.

The utility model discloses an airport elevating puncture fire truck puncture training device which comprises a support assembly, the support assembly comprises a front frame and a rear supporting frame, supporting plates are installed on the lower end face of the front frame and the lower end face of the rear supporting frame, and a control box is installed below the support assembly. Through cooperative arrangement of the support assembly, the skin and the winch, the puncture training equipment for the elevating puncture fire fighting truck in the airport has the effects that the precision of aircraft puncture by operating the elevating puncture fire fighting truck by a driver can be improved, and the operation hand feeling can be grasped; according to the puncture training equipment for the elevating puncture fire fighting truck in the airport, the puncture training equipment for the elevating puncture fire fighting truck in the airport has the effects that the experience of a firefighter on angle control when the aircraft is punctured and forcibly dismantled can be improved, and then the efficiency is improved; the puncture training equipment of the airport elevating puncture fire truck has the effect that the skin can be quickly replaced.

The utility model relates to the technical field of water hose laying devices, and discloses a fire-fighting high-rise water hose laying device which comprises an electric control system, a brake system and a vehicle body system, the brake system is located in the electric control system, the electric control system is located on the right side of the vehicle body system, and the middle of the electric control system is fixedly connected with the top of the vehicle body system. A T-shaped handle is installed on the top of the front end of the vehicle body system, and rotating handles used in cooperation with the electric control system are arranged at the two ends of the T-shaped handle. The utility model solves the problems that the existing water hose laying device has certain defects that firefighters need to climb a high-rise building or a super high-rise building to complete rescue when a high-rise fire is extinguished or the high-rise fire is rescued, and during the period, excessive physical exhaustion is easily caused when the firefighters climb the high-rise building; sufficient physical strength cannot be provided for continuously completing fire extinguishing and rescuing actions after high-rise buildings are climbed.

The utility model discloses a blade type water mist nozzle which comprises a spray pipe, an outer pipe is arranged on the side wall of the spray pipe, a spray frame is arranged at one end of the spray pipe, a supporting mechanism used for supporting the spray pipe is arranged between the spray frame and the spray pipe, and a plurality of guide blades arranged in the circumferential direction are fixedly connected to the inner wall of the spray pipe. And a pressurizing frame is arranged on the inner wall of the spray pipe. The pressurizing frame, the pressurizing opening, the connecting groove, the guide vane and other structures are arranged, water flow entering from the position of the nozzle opening is pressurized by the pressurizing frame, the guide vane rotates and is sprayed out through the nozzle in a vortex mode, the pressure of the water flow sprayed out from the nozzle can be increased, the jet flow distance can be increased, and therefore the problem of close-range fire extinguishing is avoided; the safety of firemen is guaranteed, the stability of the spray pipe in the working process can be guaranteed through contact of the positioning ring and contact supporting of the matching frame, and the problem that the stability of the spray pipe is poor when the pressure in the spray pipe is large is solved.

1. Name of the product in this design: Fire Helmet. 2. Purpose of this design: To protect the head of firefighters, capture and display video of the rescue scene, and conduct voice communication. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Disclosed are methods and a safety system of a structure for an air / environmental parameter based automatic closing of a valve to isolate breathable air supplied to a level of the structure having the breathable air supplied thereto from a source. In accordance therewith, a parameter of an environment of the level of the structure and / or the breathable air supplied thereto is sensed using a sensor associated with one or more component(s) of the safety system. In response to the sensing, the one or more component(s) automatically closes the valve associated with control of the supply of the breathable air to the level to isolate the breathable air supplied to the level.

This utility model discloses a multi-functional fire-fighting intercom, including a main body and an intercom module, a temperature detection module, a control module, a gas detection module, a stationary detection module, an alarm module, and a battery integrated on the main body. The intercom module has a microphone speaker on its left or right side. The temperature display panel of the temperature detection module is located on the top of the main body. The gas detection module has a gas detection probe and an information display window on its front, displaying the concentration of the detected gas. The stationary detection module includes an accelerometer sensor to sense the speed of the main body. The alarm module includes an alarm speaker and several alarm indicator lights. The control module is electrically connected to the gas detection module, the stationary detection module, and the alarm module. The battery is electrically connected to each module. This significantly expands the uses of the intercom and effectively improves the safety of firefighters during fire rescue operations.

The utility model discloses a fire-fighting safety equipment box, which belongs to the technical field of fire-fighting safety and comprises a box body, a user interaction device and an alarm device are arranged outside the box body, a plurality of storage spaces, a power supply and a control system are arranged inside the box body, and a bearing plate is arranged at the bottom of each storage space. A sensor is arranged in the bearing plate, an RFID tag reader is arranged in each storage space, an RFID tag is arranged on each fire-fighting equipment, the bearing plate is arranged in each storage space and used for detecting whether the fire-fighting equipment exists or not, and the RFID tag readers are used in cooperation with the RFID tags on the fire-fighting equipment, so that accurate identification of the identity of the fire-fighting equipment is achieved; once the fire-fighting equipment is detected to be missing, the control system immediately triggers an alarm mechanism, and the control system prompts a fireman in time through the alarm device, so that the potential safety hazard caused by equipment missing is effectively avoided.

The utility model relates to the technical field of fire-fighting boots, in particular to a high-comfort fire-fighting protective boot for firefighters, which comprises a boot sole, a toe cap, a vamp, a heel and a boot leg which are integrally arranged, a waterproof sock is jointly attached to the inner surface layers of the toe cap, the vamp and the boot leg, and the boot leg comprises a leg body, a tibia protective layer, an ankle protective layer and an ankle joint bending layer. By means of the arrangement of the waterproof socks on the inner surface layers of the boot vamps and the boot legs, it is guaranteed that when a fireman works in the environments such as wading, the feet cannot be soaked by water, and the waterproof socks further have the functions of high breathability, chemical protection and blood transmission and viral pathogen resistance; meanwhile, the tibia protection layer, the ankle protection layer and the ankle joint bending layer are arranged, and the design fully considers the protection requirements of different parts of the feet of the firefighter when the firefighter executes a task, so that the firefighter can quickly respond in an emergency, and the timeliness and the accuracy of rescue actions are improved.

Disclosed are a method and systems of remote monitoring of a sensor integrated safety system of a structure through a mobile data processing device. In accordance therewith, the mobile data processing device executes a component of a computing platform for the sensor integration therethrough. The mobile data processing device executing the component of the computing platform monitors the safety system and / or one or more components of a number of components thereof remotely based on collecting a number of parameters of the number of components of the safety system and / or of access thereof through detection of the number of parameters via a set of sensors associated with the number of components of the safety system. The number of parameters includes one or more parameter(s) related to breathable air from a source within the safety system supplied thereacross via a fixed piping system implemented therein and / or access of the breathable air.

The application discloses a kind of quick adaptation method, system and medium of fire-fighting body model with safety score, wherein, based on the quick adaptation method of fire-fighting body model with safety score of the embodiment of the application, with the unified fire-fighting body data specification as base, real data acquisition and simulation synthesis data are mapped to the same field system, the risk form that real fire scene / hazard scene is difficult to cover is filled in with fire domain randomization and sampling distribution adaptive strategy, with parameter efficient fine tuning (PEFT), new scene adaptation converges to a small number of trainable parameters and forms manageable scene adaptation, and the safety requirement of fire-fighting is quantified as online criterion with automatic evaluation and safety score threshold. Thus, support the continuous improvement of fire-fighting body model in multiple scene long-term operation and reduce iteration cost.

The utility model relates to the technical field of fire fighting equipment, especially a high flat dual -purpose water hose laying vehicle, it includes accomodating component, the accomodating component includes a plurality of accomodating frame, the accomodating frame is the U type structure of both sides and upper end open, connecting component, the connecting component includes connecting piece and with the support piece of connecting piece lower extreme connection, the accomodating frame places on the support piece and is connected with connecting piece, triangular wheel group, triangular wheel group with the lower end portion rotation connection of connecting piece, triangular wheel group is located in the side of connecting piece away from accomodating frame, handle, handle is located in the upper portion of the side of connecting piece away from accomodating frame. The water hose laying vehicle of the utility model can transport multiple water hoses for laying at a time when laying water supply trunk line in narrow road or high building, and the efficiency is improved.

1. The name of the design product: loud communication device (audio-visual communication). 2. The use of the design product: firefighter mask matching product, loud and communication device used in fire fighting, rescue and other occasions, compatible with display gas cylinder pressure function. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The utility model relates to the technical field of fire fighting equipment, in particular to a high-altitude self-rescue device for firefighters, which comprises a shaft rod, the clamping assemblies are arranged on the shaft rod in a sliding mode, each clamping assembly comprises a first clamping part and a second clamping part, the distance between the clamping assemblies is adjustable, and the opposite faces of the first clamping parts and the second clamping parts are of a sawtooth structure after the first clamping parts and the second clamping parts are assembled; and the mounting head is fixedly arranged at the end, away from the clamping assembly, of the shaft rod, the mounting head is sleeved with a mounting ring, and a mounting lifting ring is integrally formed on the mounting ring. The problems that in the existing high-altitude fire extinguishing emergency rescue process, when firefighters rescue themselves or other rescues, rescue ropes cannot be fixed, and meanwhile the width of an anchoring structure cannot be adjusted are solved, a second clamping part is arranged on a shaft rod in a sliding mode, the distance between a first clamping part and the second clamping part is better adjusted, and the rescue effect is improved. Therefore, the device is suitable for walls or windowsills with different sizes.

The invention discloses an intelligent helmet for firefighters, and belongs to the technical field of fire-fighting emergency rescue equipment, the intelligent helmet comprises a helmet body, the helmet body is fixedly provided with an environment sensing module, the environment sensing module comprises an infrared and visible light double-light pan-tilt camera arranged at the front part of the helmet body, a panorama camera arranged at the top of the helmet body, and various environment sensors; the multi-mode communication module comprises a multi-card aggregation router and a frequency band radio chip which are fixedly arranged on the side wall of the helmet body, and a satellite communication antenna arranged at the top of the multi-mode communication module; the processing and calculating module is fixedly arranged on the rear portion of the helmet body and electrically connected with the environment sensing module and the multi-mode communication module. The system can display the real-time temperature and the real-time humidity of the periphery and whether toxic gas is contained or not in real time, can analyze on-site video and environmental data in real time, automatically recognize danger and generate early warning, changes passive perception into active early warning, greatly improves the response speed and decision scientificity of firemen, and improves the operation efficiency and safety.