44results about How to "Increased evacuation speed" patented technology

The invention provides a system and a method for calculating a safety escape route of building fire hazards. The system comprises a fire detection subsystem, an index detection subsystem and a center analytical calculation subsystem. The fire detection subsystem is used for monitoring various areas of a building in real time in case of the fire hazards, and sending monitored fire hazard information to the center analytical calculation subsystem. The index detection subsystem is used for monitoring index parameters of the areas of the building in real time, and the index parameters include at least one or one combination of hazardous gas concentration, hazard number, protective measure condition and staff number. The monitored index parameters of the areas are sent to the center analytical calculation subsystem. The center analytical calculation subsystem is used for receiving information of the fire detection subsystem and the index detection subsystem, and calculating the safety escape route according to the received fire hazard information and the index parameters. By the aid of the system and the method for calculating the safety escape route of the building fire hazards, accuracy of firefighting and warning and speed of personnel evacuation are increased, and fire damage is reduced.

The invention discloses an evacuation simulation method and system based on multi-agent shared Q learning, wherein an evacuation scene is bulit, a crowd evacuation doble-layer control mechanism is built, the upper space is composed of management agent, navigation agent and knowledge base, and the lower space is pedestrian to be evacuated; the crowd is grouped, each group selects the leader, establishes the association between the group and the navigation agent, and the leader of each group corresponds to a navigation agent; each navigation agent puts real-time information into the bulletin board managed by management agent in the process of evacuating each group; multi-Agent adopts shared Q learning algorithm to learn, and the result of shared learning is sent to navigation Agent in real time, so that navigation Agent can plan the route according to the global evacuation situation. Each group evacuates to the evacuation exit according to the guidance of the corresponding navigation agent.

The invention relates to the building intelligent lighting control technology field, and in particular relates to an emergency lighting centralized control system based on a LINUX. An emergency lighting controller includes an emergency lighting load device, a charger, an air circuit breaker, an alternating current contactor, a direct current contactor, a switch power supply, a color screen, a communication board, a control panel and a storage battery. The emergency lighting centralized control system based on the LINUX of the invention is embedded with an intelligent analysis module; a communication bus can in a real-time manner carry collect and diagnose information at a large space building scene; an analysis of an electric power fault location, an area of an accident, and a population accumulation area is carried out; an emergency lighting centralized power supply, an electricity distribution device, and working state and fault state information of a bottom lamp are monitored; information from the emergency lighting and an evacuation indication alarm system is received; and in an emergency accident, by controlling on-offs of the emergency lighting and the evacuation indication, a safe evacuation direction is guided, the evacuation speed is accelerated, and the success rate of evacuation is improved.

The high building escaping and lifesaving apparatus includes lifesaving cable, sliding and landing device and rope climbing device. The sliding and landing device consists of casing to hold the lifesaving cable, sliding and landing damping wheel, arm locking buckle, friction pulling rod and other parts. The rope climbing device consists of casing, monoway ratchet, inclined strut as return-preventing part, gravitational pull rod, gravitational pedal and other force transmitting parts. In case of fire, the escaping and lifesaving apparatus can ensure lifesaving and may be used for the fire extinguishing and rescuing staff to clamp fast.

The invention relates to a high-rise building life line which comprises a suspension arm composed of an outer sleeve and an inner sleeve. An initial speed limiter and at least one secondary speed limiter are arranged in the inner sleeve. A tail trolley is arranged behind the last secondary speed limiter. The initial speed limiter, the secondary speed limiters and the tail trolley are sequentially connected in series through the same steel wire rope. The high-rise building life line is reasonable in structure, and is the only escape device in which the multiple speed limiters are adopted for being connected with the same steel wire rope in series in China at present, and continuous escaping can be achieved through the high-rise building life line; the occupied space is small, the naked steel wire rope of 3 mm is used, and when the life line is stored for standby, under the circumstance of the same high limit, the size occupied by the line is only one twenty seventh that of a current descent control device sold in the market; the life line is easy to use, easy to control, low in requirement for users, good in safety, free from maintenance and long in service life, an escaper can autonomously control the life line and brake the life line in the midway to rescue people in distress in the floor below, and the evacuation speed of the life line is the highest among the current similar products.

The invention discloses an in-building evacuation simulation method and system based on shared deep reinforcement learning, and the method comprises: enabling a leader of each group of to-be-evacuatedcrowd to be connected with a corresponding navigation Agent, and enabling each navigation Agent to be connected with a management Agent; guiding each group of evacuation by each navigation Agent, andstoring information acquired in real time and a self experience pool into a knowledge base managed by the management Agent by each navigation Agent; learning, by the management Agent, evacuation information of all the navigation Agents in the knowledge base on the basis of a shared deep reinforcement learning algorithm, and sending a strategy generated by learning and used for guiding the navigation Agents to perform path selection to the navigation Agents in real time; carrying out path planning by each navigation Agent according to the received strategy used for guiding each navigation Agent to carry out path selection; and guiding, by the leader, the corresponding group to evacuate to the evacuation exit according to the path planning of the corresponding navigation Agent.

The invention discloses a jacking quick-withdrawing device for an automatic restoration test of an airplane nose landing gear and a use method thereof. The jacking quick-withdrawing device includes anair cylinder (21); the air cylinder is arranged on a workbench (25) in a reversed manner through a buffer spring (20); a piston rod of the air cylinder stretches out of and passes through the bufferspring and the workbench and is fixedly connected to a working horizontal plane (26); a rodless cavity (C) of the air cylinder is connected to a first working opening (A) of a reversing control valve(17); a rod cavity (D) of the air cylinder is directly connected to a second working opening (B) of the reversing control valve; an air bottle (13) is connected to an air inlet (P) of the reversing control valve via a reducing valve (15); and an air returning opening (T) of the reversing control valve communicates with atmosphere directly. When the reversing control valve is in a jacking state, air enters the rodless cavity of the air cylinder, the rod cavity discharges the air, and the air cylinder moves upward; and when the reversing control valve is in a quick-withdrawing state, air entersthe rod cavity of the air cylinder, the rodless cavity discharges the air, and the air cylinder moves downward.

The invention relates to a mixed reality based display method and storage medium of a road isolation model. The method comprises the following steps that when it is detected that jamming occurs in a crossing of a present road, a display position of the isolation model in mixed reality model information is changed, and the road width in the direction entering the crossing is increased. Thus, the display position of the isolation model can be adjusted on the basis of real-time road condition and jamming condition, and thus, jamming can be alleviated.

The invention relates to a bidirectional pedestrian flow simulation method and system with a collision avoidance mechanism. The method includes the steps that a first group and a second group which pass through each other are initialized; the first group and the second group are divided into social structures composed of several groups; all individuals of the first group and the second group are calculated through a social force model, and the vector speed and displacement of each individual are updated; when the relative position between any team in the first group and any team in the second group is located in a collision range, any one of the two teams implements a collision avoidance measure, the motion parameter is changed, and individuals in the team implementing the collision avoidance measure are driven to update the vector speed and displacement. The collision avoidance mechanism is added in an original social force model, bidirectional pedestrian flow can avoid collision in advance by using the groups and the teams as units when converging together, a plenty of risks of frictional collision when the pedestrian flow converges together are avoided, and at the same time, the self-organization phenomenon of layering in the bidirectional pedestrian flow is showed again.

The invention discloses a working method for an emergency lamp, and the method comprises the following steps: (1) controlling an illumination lamp to work through sound and light when an AC source provided by the commercial power is normal, and enabling a lamp bulb to be off when the light intensity is high; (2) obtaining sound through a sound pickup and turning on the lamp bulb when there is huge sound; (3) enabling the level of a sixth pin of a time-base integrated circuit to rise continuously; (4) turning off the lamp bulb when the level of the sixth pin of the time-base integrated circuit reaches a set voltage, and resetting a whole sound and light control illumination circuit; (5) enabling a charging circuit to charge a storage battery through a constant current charging circuit when the sound and light control illumination circuit is in operation, and enabling a trickle charging circuit to carry out charging when the voltage of the storage battery reaches a preset value; (6) enabling a standby lamp bulb to be turned on when the AC source provided by the commercial power stops working; (7) enabling the standby lamp bulb to be turned off when the AC source provided by the commercial power recovers to work. The method enables the number of corridor lamps and emergency lamps, enables the installation to be simple, and enables the maintenance to be convenient.

The invention discloses an emergency evacuation access used for subway fire escape. An underground refuge space is built below a platform layer, an independent channel communicated with an inlet of the underground refuge space is arranged on the platform layer, and an outlet of the underground refuge space is directly communicated with the ground through an emergency evacuation escape channel. Bymeans of the emergency evacuation access used for subway fire escape, passengers can avoid smoke damage and escape fast and safely under a subway fire condition, the additional safe channel can be provided for fast escape of the passengers in a subway station, the people evacuation speed is improved, and the evacuation efficiency is improved.

The invention discloses a fire disaster rescuing system. The fire disaster rescuing system comprises a supporting body provided with a hoisting device, and a life-saving platform arranged at the upper end of the hoisting device; the system further comprises a circulating device and life-saving devices for carrying people, wherein the circulating device comprises circulating control parts which are respectively arranged on the life-saving platform and on the ground, and a cableway which is connected with the two circulating control parts and is circulated between the two circulating control parts; the life-saving devices are connected with the cableway and are synchronously circulated along the cableway. According to the fire disaster rescuing system, when people trapped in a high-rise building by a fire disaster are being rescued, the life-saving devices are lifted to the height of the concentrated trapped people by the hoisting device, and firefighters command the trapped people to enter the life-saving devices from the life-saving platform and the trapped people are rapidly conveyed to the ground through the transportation of the cableway, so that the evacuation speed can be increased and the rescuing efficiency is improved; meanwhile, the plurality of life-saving devices are circularly moved between the life-saving platform and the ground under the action of the circulating device and enough rescuing space can be provided, so that the fire disaster rescuing system is suitable for being used in occasions with more people.

The invention discloses a commercial complex intelligent evacuation method based on LORA. The method comprises the steps of 1, arranging a commercial complex intelligent evacuation system; 2, collecting fire information; 3, judging whether a fire occurs in the commercial complex or not; 4, generating a road network; 5, determining an optimal evacuation path; 6, the commercial complex intelligent evacuation system assisting in personnel evacuation; and 7, updating the road network until all people are safely evacuated. According to the invention, by utilizing the advantages of long transmissiondistance, simple networking and low price of the LORA technology, a commercial complex intelligent evacuation system is constructed; by combining with a load balance principle during evacuation pathplanning, and taking an area with personnel as a target group, the fastest safe evacuation path is generated according to the fire scene information, meanwhile, the fire scene internal information isaccurately obtained through the fire information monitoring module, the road network and the optimal evacuation path are optimized and updated, the number of people at each emergency exit is evenly distributed, the utilization rate of each emergency exit is increased, and the personnel evacuation speed is increased from personnel diversion.

The invention relates to the technical field of fireproof doors, in particular to a fireproof door. The fireproof door comprises a treading mechanism and a door lock mechanism, the treading mechanismcomprises a pedal, a treading rack, a transmission gear, a bevel gear, a belt wheel, a rotating rod and a sliding rod, the treading rack is fixedly connected to the pedal, the treading rack and the transmission gear are in meshing transmission, the transmission gear is in meshing transmission with the bevel gear, the bevel gear is in belt transmission with the belt wheel, the rotating rod is rotatably connected to the belt wheel, the rotating rod is rotatably connected to the sliding rod, the door lock mechanism comprises a locking block and a grooved sliding rod, the grooved sliding rod is fixedly connected to the locking block, and the sliding rod is fixedly connected to the grooved sliding rod.

Disclosed is a three-parallel-truss-type passenger car body fully loaded structure. The three-parallel-truss-type passenger car body fully loaded structure comprises a middle bearing region (1), a middle truss for short of a grid bottom frame parallel to an xoz coordinate plane of a coordinate system of a car body, a left side bearing region (6), a left truss for short of the left side of the car body and a right side bearing region (7), a right truss for short of the left side of the car body, wherein the middle truss is composed of truss structures which penetrate to the rearmost end of the car body from the forefront end of the car body and is provided with inclined struts, and the middle truss, the left truss and the right truss form an integrated three-truss-type bending preventing bearing structure. An ordinary upright engine (2) is placed in the middle of the car body and is placed on the same side of a passenger door. The overall structure of the car body is stressed in a more coordinated mode, and the overall rigidity and strength performance of the car body is greatly improved; because the bearing and utilization rates of materials of all parts of the car body are improved, the car body obviously becomes lighter; the utilization continuity of space inside the car body is good, and the passenger capacity and the luggage compartment capacity are obviously increased when the car body is compared with a traditional passenger car.

The invention discloses a comprehensive concealed excavation cable tunnel maintenance communicating vertical shaft. The comprehensive concealed excavation cable tunnel maintenance communicating vertical shaft comprises a maintenance channel, an air supply channel and a feeding channel which are vertically arranged underground, the side faces of the lower ends of the maintenance channel and the air supply channel communicate with a cable tunnel bin through a horizontal maintenance transverse hole, and a smoke-proof chamber is formed in the maintenance transverse hole. The two ends of the smoke-proof chamber communicate with the maintenance channel and the cable tunnel bin through fireproof doors correspondingly, the maintenance channel, the air supply channel and the feeding channel are arranged side by side and are isolated through vertical partition walls, a plurality of horizontal rest platforms are sequentially arranged in the maintenance channel in the vertical direction at intervals, and the fireproof doors are arranged on the partition walls at the positions corresponding to the rest platforms. Maintenance platforms are arranged on other sides of the fireproof doors, and the adjacent rest platforms are connected through inclined walking ladders. The mode that a vertical ladder stand vertically goes up and down in the past is changed, operation of maintainers is good, the evacuation speed of the maintainers is increased, and safety is improved.

The invention provides textile processing equipment capable of reducing dye liquor impurities and improving the quality of printed and dyed cloth. The equipment comprises a filtering barrel; a residue discharging groove is formed in the filtering barrel in a left-right penetrating mode; the right end of the residue discharging groove is slidably connected with a residue groove baffle; an inspection door is hinged to the right side of the top of the filtering barrel; a driving motor is mounted on the rear side of the top of the filtering barrel and is in transmission connection with a rotating roller which is rotationally connected to the middle of the top of the filtering barrel; and a resistance reducing ball is arranged at the rotating joint of the rotating roller and the top of the filtering barrel. According to the invention, a filtering screen is inserted into a slot of a filtering frame, so that the filtering screen can be fixed in the filtering frame; and when the rotating roller rotates in the filtering barrel, the filtering screen in the filtering frame can intercept and filter impurities in printing and dyeing size, and the impurities are attached to the filtering screen, so that the impurities are prevented from continuously floating in the printing and dyeing size, and the filtering effect on the impurities in the printing and dyeing size is improved.

The invention discloses an emergency escape slide, and aims to overcome the defects of low evacuation efficiency and potential safety hazards due to only capability of evacuating persons in high-risebuildings through walk stairs when disasters occur in the prior art. The emergency escape slide is arranged along a core cylinder of a high-rise building, and comprises a main slide, auxiliary slidesaccessed into all middle floors, and a center arc shear wall; the main slide spirally surrounds the center arc shear wall, ad penetrates through each floor; the height of the main slide surrounding the center arc shear wall by one lap is the same with a storey height; the auxiliary slides on all the floors spirally surround the center arc shear wall; inlets of the auxiliary slides are in butt joint with escape channels of the floors; outlets of the auxiliary slides are formed in a slide way of the main slide; the auxiliary slides surround the center arc shear wall by 1 / 3 lap; closed arc guidewalls are arranged between the bottom surfaces of the auxiliary slides and the slide way of the main slide; and the main slide and the auxiliary slides form an integral structure with the center arc shear wall through scene pouring. The emergency escape slide has the advantages of good evacuation effect, safety, reliability and the like, and is suitable for construction of the high-rise buildings.

The invention discloses a safety ladder for evacuation. The safety ladder comprises a supporting frame, a plurality of sections of climbing ladders fixed to the side face of the supporting frame and connected end to end, and an airborne channel fixed to the side portion of the supporting frame, wherein the top of the supporting frame is provided with a hoisting device used for suspending goods, agoods hoisting channel for allowing the goods to be vertically hoisted is arranged in the middle of the supporting frame, an airborne safety backpack is arranged at the upper portion of the airborne channel, the airborne safety backpack comprises a backpack body with at least two shoulder straps, an airborne rope arranged in the backpack body and a damping device used for providing a damping effect for the airborne rope to stretch out of the backpack body, and the damping device comprises a reel used for winding the airborne rope, a speed increaser used for increasing the rotating speed of thereel and a rotary damper used for exerting a damping effect on an output shaft of the speed increaser. The safety ladder is used for rapidly evacuating people in emergency accidents of multi-storey buildings such as superstores.

The invention provides a floating net type building group characterized by city and countryside integration. The floating net type building group comprises a large urban district, medium urban districts, small urban districts, basic level urban districts, urban function zones and rural function zones and also comprises a plurality of water channels in rivers, lakes, seas, canals and ditches and floating bridges floating in the water channels. Each floating bridge at least comprises a longitudinal channel provided with a footway, an electric wheel drive transportation lane and a vacuum magnetic levitation transportation tunnel, and also comprises various public service pipelines for water supply, water drainage, power supply, gas and communication. The floating net type building group is characterized in that the large urban district, the medium urban districts, the small urban districts and part of the basic level urban districts are disposed on the floating bridges in a layered manner; the floating bridges are laid in the rivers, ditches, lakes and seas in a manner of intersecting vertically and horizontally like net lines. The urban and rural building group is distributed along traffic routes continuously as a narrow band; the traffic routes and the pipelines for water supply, water drainage, gas, power supply and communication are arranged in parallel, so that the construction and repair cost is reduced. The city and countryside integration building group structure mode is high in investment efficiency.

The invention discloses a cooling device for a CPU (Central Processing Unit). The cooling device comprises a dust chamber and a cooling chamber, wherein the dust chamber comprises a filtering layer and a connection board; a filter net is arranged in the filter layer; a fan blade is arranged in the cooling chamber; the top of the fan blade is provided with a round block; a motor is arranged in the round block; the motor is connected with the fan blade through a rotation shaft; and the round block is provided with a bracket. By use of the cooling device for the CPU, the bottom of a conducting strip is provided with heat conduction silica gel, the heat conduction silica gel can more favorably transfer the heat of the CPU to the conducting strip, and therefore, heat can be dispersed in time; the fan blade is arranged on the upper end of the CPU, and the fan blade can disperse heat by aiming at the CPU to disperse the heat in time; in addition, the fan blade is arranged in a heat conduction chamber, so that air sent from the fan blade flows between the conducting strips, the heat dispersing speed of the conducting strips can be greatly quickened, and dust in air can be effectively removed through the dust chamber.

The invention relates to the technical field of architectural fire control, in particular to a slide plate type emergency staircase. The slide plate type emergency staircase is composed of a horizontal backing plate, a slope layer, oblique slide plates, a stair section, rotating shafts, motors, a shaft sleeve, a baffle and a staircase horizontal section, wherein the sides of the staircase horizontal section and the stair section adjacent to the staircase wall are respectively provided with one rotating shaft, and the motor shaft of each motor is fixedly connected with the rotating shaft; power switches of the motors are arranged in a fire control room of the whole building; the rectangular oblique slide plates which are parallel to the bottom surface of the stair section are laid on upper surface of the stair section; and the horizontal backing plate is laid on the upper surface of the staircase horizontal section. The slide plate type emergency staircase can be used for evacuating people in a slide mode in an emergency, thereby increasing the evacuation speed, providing convenience for the old, weak, sick, disabled and other people having weak legs, and greatly raising the success rate of safety evacuation.

The invention discloses a sleeper coach. An emergency window or an emergency door is arranged on the side wall of a carriage of the sleeper coach and is arranged between every two upper layer side sleepers in a front-and-back adjacency mode, and an escape way which corresponds to each emergency window is arranged between every two upper layer side sleepers in the front-and-back adjacency mode. When traffic collision happens, passengers can get out of the carriage through escape routes which are formed by passageways, the escape ways and window openings of the emergency windows in a communicated mode. Compared with the prior art, the escape routes in the carriage cannot be limited by the layer heights of the bottom layer side sleepers and the layer heights of the upper layer side sleepers no longer, namely, the obstruction effect of the upper layer side sleepers to the escape routes is avoided, dispersal of the passengers is quickened when the traffic collision happens, and the number of casualties is reduced when the traffic collision of the sleeper coach happens.

The invention relates to the technical field of building intelligent lighting control, in particular to a centralized emergency lighting control system based on LINUX. Emergency lighting controller, including emergency lighting load device, charger, air circuit breaker, AC contactor, DC contactor, switching power supply, color screen, communication board, control board and storage battery. The LINUX-based centralized emergency lighting control system of the present invention has a built-in intelligent analysis module, collects and diagnoses large-space building site information in real time through a communication bus, analyzes power failure locations, accident areas, and crowd accumulation areas, and monitors emergency lighting centralized power supplies and The working status and fault status information of the power distribution device and the bottom lamps receive the information from the emergency lighting and evacuation indication and alarm system, and guide the safe evacuation direction by controlling the opening of the emergency lighting and evacuation indication in the event of an emergency. Accelerate the speed of evacuation and improve the success rate of evacuation.

The invention discloses a sleeper coach. An emergency window or an emergency door is arranged on the side wall of a carriage of the sleeper coach and is arranged between every two upper layer side sleepers in a front-and-back adjacency mode, and an escape way which corresponds to each emergency window is arranged between every two upper layer side sleepers in the front-and-back adjacency mode. When traffic collision happens, passengers can get out of the carriage through escape routes which are formed by passageways, the escape ways and window openings of the emergency windows in a communicated mode. Compared with the prior art, the escape routes in the carriage cannot be limited by the layer heights of the bottom layer side sleepers and the layer heights of the upper layer side sleepers no longer, namely, the obstruction effect of the upper layer side sleepers to the escape routes is avoided, dispersal of the passengers is quickened when the traffic collision happens, and the number of casualties is reduced when the traffic collision of the sleeper coach happens.

The invention provides a system and a method for calculating a safety escape route of building fire hazards. The system comprises a fire detection subsystem, an index detection subsystem and a center analytical calculation subsystem. The fire detection subsystem is used for monitoring various areas of a building in real time in case of the fire hazards, and sending monitored fire hazard information to the center analytical calculation subsystem. The index detection subsystem is used for monitoring index parameters of the areas of the building in real time, and the index parameters include at least one or one combination of hazardous gas concentration, hazard number, protective measure condition and staff number. The monitored index parameters of the areas are sent to the center analytical calculation subsystem. The center analytical calculation subsystem is used for receiving information of the fire detection subsystem and the index detection subsystem, and calculating the safety escape route according to the received fire hazard information and the index parameters. By the aid of the system and the method for calculating the safety escape route of the building fire hazards, accuracy of firefighting and warning and speed of personnel evacuation are increased, and fire damage is reduced.

The invention discloses a hold rail-type track transportation bridge evacuation maintenance platform, which comprises a horizontal beam that is set between two parallelly set single line box beams and that is set at interval along the longitudinal direction and is characterized in that the platform provided herein also comprises a longitudinal maintenance channel set above the horizontal beam and an evacuation channel set above the maintenance channel; and two ends of the horizontal beam are provided with uprights used for supporting the evacuation channel. According to the invention, the evacuation maintenance platform is set on the horizontal beam; evacuation channel and maintenance channel structures are adopted; the evacuation channel and the maintenance channel are not influenced by each other; and the platform provided herein has the advantages of simple structure, convenient use and high safety.

The invention discloses a jacking quick-withdrawing device for an automatic restoration test of an airplane nose landing gear and a use method thereof. The jacking quick-withdrawing device includes anair cylinder (21); the air cylinder is arranged on a workbench (25) in a reversed manner through a buffer spring (20); a piston rod of the air cylinder stretches out of and passes through the bufferspring and the workbench and is fixedly connected to a working horizontal plane (26); a rodless cavity (C) of the air cylinder is connected to a first working opening (A) of a reversing control valve(17); a rod cavity (D) of the air cylinder is directly connected to a second working opening (B) of the reversing control valve; an air bottle (13) is connected to an air inlet (P) of the reversing control valve via a reducing valve (15); and an air returning opening (T) of the reversing control valve communicates with atmosphere directly. When the reversing control valve is in a jacking state, air enters the rodless cavity of the air cylinder, the rod cavity discharges the air, and the air cylinder moves upward; and when the reversing control valve is in a quick-withdrawing state, air entersthe rod cavity of the air cylinder, the rodless cavity discharges the air, and the air cylinder moves downward.