501 results about "Fire escape" patented technology

The invention discloses an internet of things-based intelligent building monitoring managing system, which mainly realizes remote monitoring and managing on an intelligent building. The system comprises four parts of a building equipment managing system, a firefighting linkage alarm system, a positioning navigation system and a security system; the building equipment managing system realizes concentrated managing on building equipment based on a tree cluster network established by an intelligent sensor module; the firefighting linkage alarm system adopts an optimized A*algorithm to search for an optimal fire escape path; the positioning navigation system is achieved by a mobile navigation robot covering floors of the building, and if a user inputs a destination, the navigation robot directly inserts virtual scene information into a reality scene, and displays a direction mark; the security system is realized by a mobile patrolling robot based on a GPS/DR combined navigation technology, and an intruder is alarmed after being found, the current intelligentized managing requirements of the building are met and the system is suitable for a high-rise building such as a commercial building with a large scale.

Disclosed in the invention is an RFID/wireless network-based fire escape cloud command system. The system comprises a fire disaster situation detection and alarm system, an RFID tag, an RFID mobile read-write device, a mobile terminal, a central processing module, a cloud platform, and an escape route calculation module. In addition, the invention also discloses a method for utilizing the system to carry out fire escape cloud commanding. According to the invention, the mobile terminal is used as a command terminal; and a cloud calculating technology and an RFID technology are used to combine a fire disaster alarm system, fire alarming, fire situation and personnel positioning, and escape route indication and the like, thereby forming the RFID/wireless network-based fire escape cloud command system and method. When the system and the method are used, rapid and accurate positioning of the fire situation and the personnel can be realized; effective instruction of an escape route for people is realized; the panic in the fire disaster is reduced; the escape probability is increased; the surviving opportunity is increased; the loss is reduced; and convenience is provided for rescuing organization by the fire fighters.

The invention provides a fire emergency evacuation simulation method. On the basis of establishing a real three-dimensional fire scene, researches are made around a vector-field-based global motion planning algorithm to navigate the escape of a plurality of individuals in the fire scene in real time. The method comprises the following steps of calculating a vector-field-based safety field in real time by virtue of the algorithm, constructing a fire-scene-based crowd behavior model in combination of a social force model-based local collision avoiding algorithm, and finally providing fire escape guidance for each escape individual in the scene according to the fire-scene-based crowd behavior model. According to the fire emergency evacuation simulation method, a theoretical basis is provided, the calculation accuracy can be ensured, and verification application is developed under various experimental conditions; the method has the characteristics of low calculation complexity, high simulation effect trueness and the like, and the real-time emergency evacuation of hundreds of escape individuals can be simulated during practical application.

Disclosed is a fire escape device which can be controlled wirelessly. The device comprises a rope winding unit having a rope, a carrying unit fixed to one end of the rope, a main control unit fixed onto a building, through which the rope is connected to the man-carrying unit so as to control a descent process of the carrying unit, and at least one wireless remote control capable of communicating with the main control unit and operating the same.

The invention discloses a mine fire escape route cellular automaton optimizing and guiding method, and belongs to mine fire safe escape methods. An underground monitoring subsystem, a smoke plume migration simulation subsystem, an escape route selection subsystem and a rescue and escape command guiding subsystem are included, and the monitoring system is composed of a ground central station and various underground sensors and monitors temperature, gas and flue gas parameters in real time; the smoke plume migration simulation system simulates dynamic evolution rules of underground fire smoke through FDS software; the escape route selection subsystem applies a cellular automaton for building a mathematical physical model under the mine ventilation network structure actual condition, dynamically quantizes the complex roadway environment and the smoke pollution range, calculates the escape efficiency and determines the best escape route; the rescue and escape command guiding subsystem provides guidance for underground escape persons on the basis of the escape route calculation result, and the best escape route is fed back to underground workers by means of an upper computer and an underground voice alarm system, the escape efficiency is comprehensively improved, and casualties are reduced to the maximum extent.

The invention relates to the technical field of fire escape, in particular to a dynamic escape route generation method, a server and a dynamic escape route generation system. The method comprises thefollowing steps: generating a building information model, dividing the building information model into a plurality of building zones and escape planning routes; positioning a mobile terminal to a corresponding building partition by a non-line routing device; calculating the fire zoning by the field data of the fire information collector; according to the fire zone, the recommended escape route ofeach building zone is generated and sent to the mobile terminal in the corresponding building zone. The dynamic escape route generation method and the generation system of the invention dynamically generate an escape route for each building area and send the generated escape route to the mobile terminal located in the building area, thereby optimizing the escape route planning mode, avoiding the congestion of the escape route and improving the escape speed and efficiency.

The invention relates to a fire-escaping distributed node guidance system based on a wireless sensor network, comprising sensor nodes which are built on each corridor and each aisle in buildings; the sensor nodes are connected in a wireless mode and are connected with a node guidance controller which comprises a node weight initialization module, an emergency publishing module, a node weight adjusting module, a node guidance module and a guiding direction display module; the invention provides a fire-escaping distributed node guidance system based on a wireless sensor network, which has good reliability and can assist people to escape from fire effectively.

Hyperbaric Hypoxic Fire Escape and Suppression System is provided for multilevel buildings, transportation tunnels and other human-occupied environments. The system produces and maintains a hypoxic hyperbaric environment in a separate part of a building (staircase shaft) or a tunnel (service tunnel) in order to provide an entirely secure escape area in case of a fire emergency and instantly extinguish an ongoing fire in a building or a tunnel by releasing a breathable hyperbaric hypoxic fire-extinguishing composition into location affected by fire. Additionally, the system provides continuing adequate protection against biological and chemical warfare and contaminants by filtering ambient air before processing it by the system and by establishing breathable fire-suppressive atmosphere at a positive atmospheric pressure inside a building or tunnel.

A flameproof, heat resistant, lightweight, one-piece escape suit which includes attached integral mitts or gloves, covered footing, and a hood. The fire and heat resistant one piece suit is designed to be worn over a commercial smoke hood, is formed from a metalized fabric, and meets the requirements of ASTM standard D6413. The suit is designed to be easily slipped onto a wearer's body over typical street clothing, and allows a wearer to wear his or her accustomed footwear for improved safety and comfort. The durable fabric provides protection to a wearer when crawling low to the ground on his or her knees and elbows as is often recommended as a preferred escape posture. The fire and heat resistant one piece suit may be provided in multiple sizes to fit adults and children. The fire and heat resistant one piece suit, as well as a smoke hood, may be packaged into compact, lightweight emergency escape kit bag with unique “glow in the dark” lettering; FIRE ESCAPE KIT suitable for carrying between home and work, etc.

A door machine mechanism for a rolling door has an electric machine mechanism, a brake mechanism and an output mechanism. In normal power supply condition, the rolling door is opened by the electric machine mechanism. In case of fire, the brake mechanism releases brake so that the rolling door moves downward by its own weight. However, in an emergency condition, if an external force is applied to push the door upward, the rolling door will be reopened by an assistance of spare electricity to the electric machine mechanism.

The invention relates to an optimal escape route acquisition method based on a Dijkstra algorithm. The optimal escape route acquisition method is used for fire escape in a non-resident building and includes the steps: 1) acquiring positions easily generating fire and escape exit positions of the non-resident building; 2) acquiring node sets on possible escape routes according to the positions easily generating fire and the escape exit positions; 3) acquiring optimal escape routes of exits through the Dijkstra algorithm according to the node sets on the possible escape routes; 4) selecting the optimal escape route in the optimal escape routes of the exits according to data information acquired by sensors in the non-resident building. Compared with the prior art, the optimal escape route acquisition method has the advantages of comprehensiveness in consideration, accuracy in calculation and the like.

A fire escape system includes at least one guide post and an escape platform slidably carried by the at least one guide post and comprising a platform plate; a pair of handlebars pivotally carried by the platform plate; a pair of guide rollers carried by the pair of handlebars, respectively, and adapted to detachably engage the at least one guide post; and a pair of brake assemblies carried by the escape platform and adapted to engage the at least one guide post.

The invention provides a VR-based building fire escape rehearsal system comprising a student practice module, a VR rehearsal module and a console module; wherein the student practice module comprisesa head-mounted stereo display unit, a fire-fighting process practice unit and a fire-fighting equipment use unit; the VR rehearsal module includes a three-dimensional scene construction unit, a fire situation presentation unit, and a plan deduction presentation unit; and the console module includes a role setting unit, a combat force deployment unit, and a command scheduling unit. The VR-based building fire escape rehearsal system provided by the invention can improve people's cognitive ability to fire and enable the people to learn the necessary fire escape skills.

The invention relates to an intelligent fire escaping experiencing system of building firefighting. The system comprises a main controller, a 433M communication system and a 2.4G communication module, wherein the 433M communication system and the 2.4G communication module form a wireless star topology structure with the main controller as the center. The 433M communication system comprises one or a combination of several of an entrance guard unit, a fuming unit, a fire alarm unit, an emergency lighting unit, a firefighting unit, an escaping article supplying unit, an escaping behavior judging unit, a in-fire-scene personnel judging unit and a in-fire-scene behavior recording unit. Through simulating a real fire scene, an experiencer feels the fire scene vicariously and really learns escaping skills and matters needing attention through some reminding caution on the fire scene; meanwhile, macroscopic statistics and analysis are performed on experiencing behaviors of a lot of experiencers in fire experiencing of firefighting so that a firefighting management organization can make some key measures.

The invention discloses a fire escape route determination method comprising the steps that current temperature information of multiple temperature sensors is acquired, wherein the temperature sensorsare arranged in a spaced way in each passage of the current building; the temperature information within the first preset temperature range is selected through screening, and the area corresponding tothe selected temperature information is determined as a candidate target area; the path from a starting area to each candidate target area is determined as a candidate path; whether the candidate path passes through a dangerous area is detected, wherein the dangerous area is the area corresponding to the temperature information within the second preset temperature range; when the detection resultindicates that the candidate path does not pass through the dangerous area, the candidate path is marked; and the shortest path of all the marked candidate paths is determined as the escape route. With application of the fire escape route determination method, the safest and quickest escape route can be indicated to the escapee so that the escapee is enabled to reach the safe area for hiding morequickly when the escapee cannot escape from the fire.

The invention provides a control method for simulating an escape teaching truck working system. The method comprises the following steps: S1, performing subway fire escape demonstration via a subway simulation experience system, and performing equipment understanding on a subway simulation escape teaching truck to acquire the usage specification of the subway simulation escape teaching truck; S2, performing fire escape teaching interaction via an interactive sensing system; S3, simulating a high-rise building fire via an automatic high-rise building fire extinguishing spray system; S4, performing actual investigation on fire escape teaching via a laser smoke layer escape system; and S5, scoring a user via a scoring system in the fire escape teaching experiment, thus learning whether the user really masters the fire escape skill. The user is scored and evaluated after simulation escape test on the corresponding learning system in the teaching truck, so that whether the user masters the fire safety knowledge is known; and the teaching truck is strong in interaction, intuitive and easy to understand.

The invention discloses a high-rise fire escape slideway hoisting method which comprises the following steps: 1), a minitype RC helicopter carries a throwing thing to lift off until to be above the height of a floor where a trapped person is positioned; 2), the minitype RC helicopter releases the throwing thing, and the throwing thing is fixed at the position above the height of the floor where the trapped person is positioned; 3), a bearing line is led to the position above the height of the floor where the trapped person is positioned through a leading line; and 4), an escape slideway is led to the position of the floor where the trapped person is positioned through the bearing line. The invention further discloses a high-rise fire escape slideway hoisting device which comprises the minitype RC helicopter carried with the throwing thing which is connected with the leading line, the leading line is vertical to the ground and is connected with one end of the bearing line, and the other end of the bearing line is connected with the escape slideway. A device provided by the invention has the advantages of low cost, quickness in scheduling, small occupied space, high rescue efficiency, and strong operability.

The invention relates to the technical field of elevator manufacturing, in particular to an elevator cage wall structure with an escape ladder. The elevator cage wall structure comprises a cage wall bottom plate close to one side of an inner cage cavity, wherein a rectangular or square door opening is formed in the cage wall bottom plate; a door sheet is arranged at the door opening; a rectangular or square storage cover body which is capable of covering the door opening and the door sheet and is used for accommodating the escape ladder is mounted on one side, back on to the inner cage cavity, of the cage wall bottom plate; the door sheet is further configured with a locking and unlocking device. The structure firmness is high, the cost is low, and escape operation can be safely and smoothly carried out.

The invention discloses a double-basket fire escape device for high-rise buildings, which comprises an elevator mechanism component, a support component, a hook, a left basket and a right basket and is characterized in that the middle of a frame in the elevator mechanism is provided with a screw rod and a rotary drum; nuts are embedded in the flange centers at the two ends of the rotary drum; a layer of steel wire rope is coiled on the rotary drum; the left beam of the frame is welded with a fixed pulley seat; the fixed pulley seat is provided with a pulley and a steel wire rope locking mechanism which is composed of an adjusting screw rod, a pressing plate, a sliding block, a guiding wheel and a sleeve; the right beam of the frame is sleeved with a moveable pulley seat; the left basket and the right basket are respectively hung at the two ends of the steel wire rope; and friction blocks are installed corresponding to the flanges at the two ends of the rotary drum. Compared with other escape devices, the device provided by the invention has the following advantages and beneficial effects: the left basket and the right basket are respectively hung at the two ends of the steel wire rope and one ascends while the other descends, without idle stroke, thus improving the working efficiency and saving the precious escape time; and the escape device is convenient to operate, safe and reliable and especially suitable for escape in an organized way in the places where people gather, such as hotels, shopping malls, student dormitories, office buildings and the like.