200 results about "Fire escape" patented technology

The invention relates to the technical field of fire escape, in particular to a multi-user shared unpowered circulating hanging chain high-rise emergency constant-speed descent control machine which comprises a box body and an outer frame, after the front end of the outer frame extends out of a building, the box body is located outside the building, and a chain transmission mechanism comprises a first chain wheel, a second chain wheel and a third chain wheel. Third mounting blocks are arranged on the two sides of the third chain wheel on the third transmission shaft and slidably connected with the floating sliding rails, first supporting springs are fixed to the bottoms of the third mounting blocks, and a chain extends into the box body from the bottom of the box body, firstly bypasses the top of the third chain wheel and then bypasses the bottom of the second chain wheel; then bypasses the top of the first chain wheel and downwards extends out of the box body; the first transmission shaft is connected with a speed reduction device for automatically adjusting the rotating speed of the first transmission shaft according to the total weight of escape persons on the chain and an illumination assembly for automatically generating electricity. The device has the technical effects that the device can be used by multiple persons, and the manufacturing and maintenance cost is low.

The invention belongs to the technical field of fire-fighting access, and particularly relates to a fire-fighting access illegal occupation system, which comprises a fire-fighting access image shooting module, a fire-fighting access information acquisition module, a fire-fighting access information processing module, a fire-fighting access information processing module, a fire-fighting access information processing module and a fire-fighting access information processing module, and is characterized in that the fire-fighting access image shooting module is used for shooting fire-fighting access information; the occupied object distinguishing module is used for distinguishing occupied objects, and distinguishing types comprise a vehicle type and a sundry type; the occupancy early warning module is used for judging whether the occupancy object affects the use of the fire fighting access or not; and the vehicle invasion and occupation state analysis module is used for analyzing the state of the vehicle in the fire fighting access, wherein the state comprises an invasion and occupation state and a tailgating state.

The invention provides a remote monitoring method and system based on a fireproof door monitoring module, and relates to the technical field of fireproof safety monitoring, and the method comprises the steps: constructing a fireproof function simulation model of a building; m fireproof door monitoring modules are pre-deployed; after M pieces of real-time state information of the M fireproof door monitoring modules are collected, the function availability of the fireproof door is judged; performing dynamic evacuation path fitting after spatial mapping of the fault fireproof door in the fireproof function simulation model; according to the fireproof influence degree, operation and maintenance priority ranking of the faulted fireproof door is carried out, and a hierarchical operation and maintenance priority sequence is output. The technical problem that the operation and maintenance management efficiency of the fireproof door is low due to the fact that the influence on the whole cannot be evaluated in time when a single fireproof door fails in the prior art is solved, collective availability judgment of the fireproof door combination is performed by monitoring the state of each fireproof door in real time and based on fire escape path fitting, and the operation and maintenance efficiency of the fireproof door combination is improved. And the operation and maintenance management efficiency of fireproof door monitoring is improved.

The utility model relates to the technical field of air shafts for civil air defense engineering, and discloses an air shaft structure for civil air defense engineering design, which comprises an air shaft body, the top of the air shaft body is fixedly connected with a top plate, a disassembly structure is arranged in the air shaft body, an in-shaft channel is arranged in the air shaft body, and an escape structure is arranged in the air shaft body. According to the air shaft, the disassembling structure is arranged in the air shaft body, the sealing cover plate can be opened through the first handle, the connecting block at one end of the ventilation shutter is pulled out firstly, then the connecting block at the other end of the ventilation shutter is pulled out, and therefore the whole ventilation shutter can be disassembled, and the ventilation shutter is thoroughly cleaned; due to the fact that the escape structure is arranged in the air shaft body, when an emergency occurs, people in the civil air defense project can climb up through the two escape ladders in the air shaft body, and the people can leave the civil air defense project by opening the movable cover plate.

The utility model relates to a household high-rise fire escape knapsack device, in particular to a device capable of enabling people to escape quickly and safely when a fire occurs, which comprises a slow descending device, an intelligent detection speed reduction device, a hand brake (safety) device, a five-point safety belt, a safety hook and a knapsack shell. And rapid and safe escape in case of fire is realized. The household high-rise fire escape knapsack device can also realize slow descent and control the speed in a safe range during falling, can realize braking and manual control by people in an emergency, and can also realize intelligent speed reduction when the household high-rise fire escape knapsack device is about to fall to the ground, so that people cannot be hurt when falling to the ground.

The invention provides an escape device, and relates to the technical field of escape equipment. The escape device comprises the main window frame, the auxiliary window frame, the window sash and the escape ladder, the escape ladder is adjusted to be in the vertical direction by turning over the auxiliary window frame, frameless glass of the escape ladder and the window sash is automatically unfolded downwards under the action of self gravity, the escape ladder is connected with the escape device on the lower layer of the building, and a vertically-through cage type escape ladder channel is formed. The escape ladder is simple to operate and convenient to use, a continuous and reliable escape channel can be rapidly established, meanwhile, fire rescue workers can rapidly climb up to rescue and extinguish fire according to the escape ladder under the condition that the terrain and the environment are limited, time and labor do not need to be consumed for breaking and dismantling a rescue window, the functions of rescue, fire extinguishment and escape are integrated, and the rescue effect is good. Rescue, fire extinguishment and escape are carried out at the same time, preemption is carried out every minute and every second, the requirements for rapid and efficient rescue and personnel escape are met, and therefore personal safety is better guaranteed.

The invention discloses an alarm system and method of a fire-fighting escape ladder, and relates to the technical field of communication alarm, the alarm system comprises an induction monitoring unit, a multi-source fusion unit, a communication control unit, a power supply control unit and a sound-light alarm unit, and the fire spreading edge is delimited and the fire behavior direction is predicted through multi-source data fusion. The fire emergency is judged to facilitate follow-up fire rescue, then the audible and visual alarm unit is used for fire-fighting escape guide indication, so that people in the escape ladder are guided to transfer orderly, the evacuation efficiency is improved, a distributed communication model is established through the communication control unit, and the channel quality is evaluated to dynamically adjust the communication mode. The anti-interference capability of wireless signals is enhanced, a thermoelectric conversion model is established through the power supply control unit to perform thermoelectric conversion, and then the signals are output to the power supply module to be stored for emergency power supply under the condition of power failure caused by high temperature of a fire disaster, so that the system reliability, the response speed and the personnel safety in a fire disaster scene are remarkably improved.

The invention relates to the technical field of route optimization, in particular to a fire optimal escape route planning method and system based on a multi-modal fusion algorithm, and the method comprises the following steps: obtaining temperature, smoke and oxygen sensor readings and building information data, calculating the multi-source fusion criticality of each position and each moment of a building, obtaining a position time sequence fusion hazard value, and calculating the position time sequence fusion hazard value; and based on the position time sequence fusion hazard value, integrating numerical values of different time points, and establishing a time-varying hazard probability distribution diagram. According to the invention, through real-time acquisition and fusion of temperature, smoke and oxygen sensor readings and building information data, hazard degree dynamic evaluation of each position in a building is realized, a position time sequence fusion hazard value is constructed, and space hazard identification accuracy is effectively improved; thermal damage analysis and long-term fragility factor calculation of beams and columns in the building structure are further combined, and the bearing performance change of the building structure under the thermal action is comprehensively evaluated, so that the risk evaluation is more comprehensive.

The utility model discloses a double fire-fighting porch based on server room fire escape, two ends of the double fire-fighting porch are respectively provided with an outer fire-fighting door and an inner fire-fighting door with the same structure, the fire-fighting door comprises a door frame and a door plate, and foot latch devices are symmetrically arranged on the inner fire-fighting door and the outer fire-fighting door. Comprising a rotating shaft, an inner pedal, an outer pedal, a latch plate, a locking seat, an upper fixing block, a lower fixing block and a tension spring, the middle of the rotating shaft is hinged to the lower portion of the other side of a door plate, and one end of the inner pedal and one end of the outer pedal are perpendicularly connected with the corresponding ends of the rotating shaft respectively; one end of the locking seat is fixed on the lower portion of the other side of the door frame, the lower side of the upper fixing block and the upper side of the lower fixing block are respectively provided with a tension spring hook, two ends of the tension spring are respectively hooked on the upper tension spring hook and the lower tension spring hook, and the end of the latch plate is clamped in the locking seat. According to the utility model, the escape reliability and the escape safety effect of personnel in the server room are obviously improved.

The invention relates to the technical field of fire escape devices, in particular to a fire escape device and a using method and manufacturing method.The fire escape device comprises a mouth and nose protection component set and a head and trunk protection component set, the mouth and nose protection component set is used for protecting the mouth and the nose, and the head and trunk protection component set is used for protecting the eyes and other faces and limbs; the mouth and nose protection component set comprises a mouth and nose protection cover assembly and a disposable water bag. The device can protect faces and limbs such as the mouth, the nose and the eyes, a whole set of protection equipment can be provided when a fire breaks out, certain escape time is won, and safe home entry is really achieved.

The utility model discloses a fire-fighting emergency escape ladder which comprises a platform. A fixed rotating shaft is arranged on one side of the platform. The handrail is fixedly arranged on the outer edge of the platform; the folding escape ladder comprises a first escape ladder and a plurality of second escape ladders, the first escape ladder and the second escape ladders are arranged in a mutual sliding mode, and the first escape ladder is rotationally arranged on the fixed rotating shaft; the fixing device is used for fixing the folding escape ladder in different use states; and the folding escape ladder can be rotated to enter a handrail state and a ladder state.

The invention relates to the technical field of fire-fighting emergency rescue, and discloses a fire-fighting emergency escape ladder which comprises a U-shaped shell. Mounting seats which are symmetrically arranged are fixedly mounted on one side of the U-shaped shell; the U-shaped cover can be mounted at the opening of the U-shaped shell in a sliding manner through a sliding rail and is used for blocking the opening of the U-shaped shell; according to the fire-fighting emergency escape ladder, the defects of an existing rope type escape ladder are overcome in a targeted mode, orderly unfolding of the ladder body is achieved through sequential control, winding and clamping of a rope and a foot bar are eradicated, it is guaranteed that the escape ladder effectively and automatically completes opening of a box cover and releasing of the ladder body, manual operation is not needed, the ladder is ready within several seconds, the escape time is greatly saved, and the fire-fighting emergency escape ladder is safe and reliable. Alarm, illumination and independent power supply are integrated, the limitation of single function is broken through, and the intelligent fire-fighting and emergency self-rescue requirements are met.

The utility model relates to the technical field of fire safety devices, in particular to a high-adaptability intelligent emergency evacuation and safety navigation system. According to the technical scheme, the system comprises a central processing unit, and an environment monitoring module group, a personnel positioning and evacuation guiding module group, a projection device module group, a voice broadcast system module group, an intelligent adjustable support and an emergency energy guarantee module group which are connected with the central processing unit; the intelligent adjustable support specifically comprises a mounting support mounted on a wall, supporting rods are mounted on one side of the mounting support, and a rotating rod is rotationally connected between the two supporting rods. The device is novel and compact in structure and suitable for a safety fire-fighting escape system, the guiding direction is adjusted according to an actual emergency route, it is ensured that a correct escape route is guided, danger is reduced, and the system is more perfect; the system comprehensively assists trapped person evacuation, emergency rescue and other work from real-time emergency scene display, disaster behavior prediction, optimal escape path planning, AI human-computer interaction and the like.

The utility model discloses a folding device of an outdoor escape ladder, and relates to the technical field of escape facilities, the folding device comprises a folding frame and an escape ladder rotatably connected to the inner surface of the folding frame, the inner surface of the folding frame is fixedly connected with a fixed seat, the inner surface of the fixed seat is rotatably connected with a take-up roller, and the take-up roller is fixedly connected with the folding frame. A transverse rod is fixedly connected to the inner surface of the lower side of the escape ladder, the transverse rod is fixedly connected to the outer circle face of a take-up roller through a rope, and a locking mechanism is arranged outside the take-up roller. Compared with an existing folding device of a common outdoor escape ladder, when the folding device of the outdoor escape ladder is used, the locking handle is rotated to be separated from the tooth space position of the first gear, the escape ladder can rapidly descend along with gravity, the escape requirement is met, and when the folding device is folded, the hand wheel rod and the sliding base can slide towards the take-up roller by rotating, so that the folding device of the outdoor escape ladder is convenient to use. The folding mechanism can drive the take-up roller to rotate, the escape ladder is automatically wound, the design does not need hand cranking, and the escape ladder can rapidly and freely fall in the using process.

An inflatable fire escape slide device is provided. The device is comprised of an inflatable slide system designed for emergency evacuations from buildings. The device comprises a body made of two halves connected by at least one hinge or similar fastener. One of the halves can be attached to a windowsill using a spring-loaded slam latch to secure the device to a windowsill during use. An inflatable slide housed within the body can be deployed and inflated by a spring-loaded release mechanism activated by pulling a string, which allows compressed air to exit a compression chamber, thus inflating the slide rapidly. The slide includes a protective tarp at its base to prevent damage and absorb the impact of users after sliding down the slide from a building window to a ground surface.

The utility model relates to the technical field of fire escape guide, in particular to an intelligent guide device for fire escape, which comprises a control box, an assembly mechanism, a wireless transmission device, a display mechanism, an alarm mechanism and an electricity storage mechanism are arranged on the control box, and an adjusting groove is formed in the control box. A maintenance groove and a lifting groove are formed between the adjusting groove and the outer side of the control box, a maintenance cover is arranged on the maintenance groove, a lifting column is arranged on the lifting groove, searchlights are arranged on the two sides of the lifting column, an inclined column and a telescopic mechanism are arranged on the maintenance groove, an adjusting plate is arranged between one side of the inclined column and the adjusting groove, and a telescopic mechanism is arranged on the telescopic mechanism. According to the structure, the wireless transmission device is connected with the network control terminal, automatic adjustment of the direction of the searchlight can be achieved, the angle of the searchlight can be adjusted according to actual needs, it is ensured that light covers the most needed area, and the searchlight is particularly important for areas with poor sight or places with special terrains such as stairs and slopes.

The present invention discloses a highly flame-retardant steel-wood fire door with a function of blocking the flow of harmful gases, and relates to the technical field of fire doors. The present invention comprises a fire door frame, a fire hinge, and a fire door body. The fire door frame and the fire door body are hingedly matched by fire hinges. A cavity is opened inside the fire door body. A notch connected to the inside of the cavity is opened at the bottom of one side of the fire door body. A smoke-proof plate matching the notch is hingedly matched on a side of the fire door body away from the cavity by a fire hinge. A surface of the smoke-proof plate located in the cavity is rotatably connected to a transmission assembly, and an end of the transmission assembly away from the smoke-proof plate is rotatably connected to a support plate fixedly connected to the inner wall of the cavity. The present invention solves the problem of the escape of toxic gases such as thick smoke generated in the event of a fire, resulting in casualties, by using the smoke-proof plate, the transmission assembly, the smoke exhaust pipe, and the smoke exhaust port in combination.

1. The name of this design product: high-rise fire escape support frame. 2. Purpose of this product with design: This product with design is used for escaping from high-rise fires. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model belongs to the technical field of emergency escape, and particularly relates to an intelligent guiding system for fire escape. Comprising an escape indication board, and a dangerous case sensing device and a positioning signal transmitting module are arranged in the escape indication board; the escape guiding glasses comprise a glasses frame and lenses, and a power supply, a control unit electrically connected with the power supply, a positioning signal receiving module electrically connected with the control unit and a direction sensing module are arranged in the glasses frame; the positioning signal receiving module is matched with the positioning signal transmitting module to relatively position the escape guiding glasses and the escape indicating board, the direction sensing module is used for determining the orientation of the escape guiding glasses, and the escape guiding glasses are further provided with a loudspeaker electrically connected with the control unit and used for broadcasting escape route guiding voice. According to the utility model, through relative positioning between the escape indication board and the escape guide glasses, a user is guided to avoid a dangerous environment and go to a safe area, the fire evacuation and escape capabilities of the user are improved, and autonomous and efficient escape is realized.

This utility model provides a portable fire escape pliers, relating to the field of fire safety equipment technology. It includes a storage box with a top cover, a buckle on the front, a placement plate on the inside, a fixing groove on the placement plate, a fixing post on the inner bottom of the fixing groove, and a spring-loaded retaining plate on the inner side of the fixing groove. The escape pliers are placed in the fixing groove. The pliers include a handle, a fixing knob on one side of the handle, a connecting wire at one end of the handle, an air pump compartment on the front of the handle, a connecting post on one side of the air pump compartment, a mounting post at one end of the connecting post, a cutting pliers at one end of the mounting post, and an air inlet pipe on one side of the cutting pliers. This design increases the overall portability of the escape pliers, making them easier to carry and expanding their application scenarios.

The utility model relates to the technical field of fire-fighting masks, and discloses a fire-fighting escape gas mask which comprises a mask body, a transparent visual window, an inspiration port and an expiration nozzle are sequentially arranged on the front side wall from top to bottom, a sounding nozzle is further arranged at the position, close to the expiration nozzle, of the front side wall, an illuminating lamp is detachably arranged above the mask body, and a fixing belt is detachably arranged on the rear side of the mask body. A storage box is detachably arranged below the mask; the canister is detachably arranged at the air suction port and comprises a canister body, a canister bottom sealing cover and a canister opening sealing cover, the canister bottom sealing cover and the canister opening sealing cover are detachably arranged at the canister bottom and the canister opening of the canister body respectively, and a smoke filtering layer, a first filtering net plate, a first filtering cotton cushion, a medicament layer, a second filtering net plate and a second filtering cotton cushion are sequentially arranged in the canister body from the canister bottom end to the canister opening end. The multi-layer canister has the advantages that the head is comfortable to wear, the canister has a multi-layer canister filtering effect, and the lighting function is achieved.

The utility model relates to the technical field of sliding doors, in particular to a sound insulation and heat insulation manual sliding door which comprises a door body structure, the door body structure comprises an outer side plate, the inner wall of the outer side plate is connected with an inner supporting partition plate, the side, away from the outer side plate, of the inner supporting partition plate is connected with an inner side plate, and the side face of the inner side plate is connected with a lock head. The tail end of the lock head is connected with a sliding rail, the top end of the outer side plate is connected with a wall body, and the bottom end of the outer side plate is connected with rolling wheels. The sealing effect between the door body and the frame is more excellent through mutual cooperation of the installation groove, the limiting plate and the inner supporting plate, in addition, the heat insulation and sound insulation effects are remarkably improved through mutual cooperation of the outer side plate, the inner supporting partition plate and the inner side plate, and the service life of the door is prolonged. Therefore, the application range of the sliding door is better and better, the controllability is higher, the sliding door can be directly applied to a fire fighting access through the arrangement, and the application range of the sliding door is widened.

The invention discloses a sliding type escape ladder, a using method thereof and engineering machinery. The sliding type escape ladder comprises a fixed ladder, a slide, an operating rod and a blocking component, the fixed ladder is mounted around the cab; the slide is mounted on the fixed ladder and can slide up and down in the fixed ladder; the operating rod is configured to lock and unlock the fixed ladder and the slide; the operating rod comprises a first connecting piece and a second connecting piece. The first connecting piece is divided into a first fixing part, a second fixing part and a third fixing part. And the blocking component is configured to limit and release the limit of the third fixing component, and when the third fixing component is limited, the rotation of the operating rod is blocked, so that the second fixing component and the butt joint component are always in a locking state. According to the sliding type escape ladder provided by the invention, the sliding ladder is locked by utilizing the self weight of the ladder, and the locking function is safe and reliable; during emergency escape, the escape ladder can be unlocked and put down only through one-step operation, and the escape time is greatly shortened.

The invention provides a fire escape path screening method and system based on a building information model. The method comprises the following steps: acquiring position information of all doors and position information of all escape exits based on a preset building information model; establishing escape paths from all doors to all escape exits through a preset path planning model, generating an escape path list, and performing visual display; the user selects the shortest escape path corresponding to the door closest to the user from the escape path list, and escape path screening is completed. According to the invention, the problems of low fire escape path planning efficiency and poor safety in the prior art are solved.

The invention discloses a quickly-started fire escape and fire-avoiding cabin and a use method thereof, and relates to the technical field of fire-fighting emergency escape equipment, and the quickly-started fire escape and fire-avoiding cabin comprises an expandable fire-avoiding cabin equipment box body; a fire-avoiding cabin rapid opening supporting assembly, a positive pressure oxygen supply breathing system, a human body breathing waste gas absorption circulating system, an emergency survival material storage assembly, a power battery and a communication lighting system are integrated in the box body. A multi-panel movable unfolding structure is adopted in the fire-avoiding cabin equipment box body, the fire-fighting fire-avoiding cabin is of a foldable structure, and second-level rapid unfolding is achieved through a safety linkage mechanism and an inflation supporting frame. According to the invention, when a building fire escape channel is blocked, a closed safe fire-avoiding space can be quickly built, and by matching with a positive pressure breathing guarantee module, an emergency survival material module and an external communication module, quick risk avoiding, safety protection and long-acting rescue waiting are realized; the device is convenient to store, small in occupied space and capable of being flexibly arranged in various places such as high-rise buildings and residences, and the problems that an existing fire risk avoiding device is slow in unfolding, incomplete in protection and poor in adaptability are solved.

This invention discloses a foldable emergency fire escape ladder for building construction, relating to the field of escape ladder technology. The foldable emergency fire escape ladder for building construction includes a supporting base shell, an emergency escape mechanism, and a rope ladder mechanism installed inside the supporting base shell. The emergency escape mechanism includes a square column and a guide rail groove. A protective cover is fixedly installed on the side of the square column surface. A braking triangular tooth is fixedly connected to the inner side of the protective cover. A step assembly is installed in the middle of the square column surface. The step assembly includes a disc connector and a connecting shaft. A step pedal is fixedly connected to the end of the connecting shaft away from the disc connector. A hexagonal block is fixedly connected to the middle of the outer circular surface of the connecting shaft. A torque spring is fixedly connected between the surface of the hexagonal block and the surface of the disc connector. A pull rod is hinged to the surface of the hexagonal block, achieving the purpose of folding. This allows for folding, reducing the overall volume of the escape ladder, facilitating storage and transportation, and making it lightweight and flexible.

The utility model discloses a portable building fire escape suit which comprises life-saving equipment, the life-saving equipment comprises a flame-retardant fireproof cloak, a first fixing assembly and a second fixing assembly which are used for fixing the flame-retardant fireproof cloak are sequentially arranged on the flame-retardant fireproof cloak, and an oxygen storage assembly is arranged on one side of the bottom of the flame-retardant fireproof cloak. And a glove storage assembly is arranged on the other side of the bottom of the flame-retardant fireproof cloak. According to the flame-retardant fireproof cloak, the flame-retardant fireproof cloak can be stably fixed to the body of a user through the first fixing assembly and the second fixing assembly, meanwhile, the flame-retardant fireproof cloak made of fireproof fabric increases the fireproof effect when the user wears the flame-retardant fireproof cloak, and the life-saving oxygen bottle is arranged so that the flame-retardant fireproof cloak can be prevented from falling off when a trapped person is lack of oxygen. According to the device, oxygen is provided for trapped people, the graphene flame-retardant gloves are arranged, the trapped people can wear the graphene flame-retardant gloves to peel off nearby comburent, and then the escape possibility of the trapped people is greatly improved.

The utility model discloses a quick unfolding mechanism of folding fire emergency escape ladder, including setting between the escape ladder body of upper and lower passageway grating, the escape opening is provided with the passageway grating of upper side relative to escape ladder body, escape ladder body has the lifting column, the surface of lower the passageway grating is provided with the rotary cylinder relative to lifting column, the side stop is provided with the both sides of lifting column, the side stop with the folding step between lifting column is provided with, under the daily condition, the side stop of both sides will be extremely close to the symmetry of lifting column's both sides, the folding step of this time is also folded between two, so the cross section of whole escape ladder body is extremely small at this time, and the proportion of the cross section of the passageway grating that it occupies is relatively smaller, and the influence to the walking of personnel, work under the daily condition is not big.

The present invention discloses a revolvable multifunctional fire escape pipe gallery for temporary buildings and a method for using the same, and relates to the field of building technology. The revolvable multifunctional fire escape pipe gallery for temporary buildings includes a fire alarm response system, a fire escape pipe gallery system, and a protective fence system. The fire alarm system includes a fire alarm sensor, a sensor line, and a jack alarm reactor. The revolvable multifunctional fire escape pipe gallery for temporary buildings and a method for using the same can be used in a revolving state, reduce costs and increase efficiency, and combine the pipe gallery with an evacuation and escape device into one. In normal times, the pipe gallery characteristics are used to arrange the pipes and used as a ground road. In emergencies, the evacuation and escape device can function. One thing has multiple functions, which greatly improves the energy efficiency of the equipment. The various components are linked through a fire sensing device and automatically triggered in an emergency, avoiding the time loss caused by manual operation and increasing the evacuation time.