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

System and method for calculating safety escape route of building fire hazards

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.
Owner:SHENZHEN GRAND MEDICAL SYST ENG

Emergency lighting centralized control system based on LINUX

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.
Owner:江苏德上科技发展有限公司

High-rise building life line

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.
Owner:张亚晨 +1

Jacking quick-withdrawing device for automatic restoration test of airplane nose landing gear and use method thereof

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.
Owner:LANDING GEAR ADVANCED MFG

Bidirectional pedestrian flow simulation method and system with collision avoidance mechanism

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.
Owner:SHANDONG NORMAL UNIV

Working method for emergency lamp

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.
Owner:徐州市全鑫毛制品有限公司

Fire disaster rescuing system

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.
Owner:CHONGQING JIAOTONG UNIVERSITY

Commercial complex intelligent evacuation method based on LORA

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.
Owner:XIAN UNIV OF SCI & TECH

Three-parallel-truss-type passenger car body fully loaded structure

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.
Owner:JILIN UNIV

Comprehensive concealed excavation cable tunnel maintenance communicating vertical shaft

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.
Owner:重庆电力设计院有限责任公司

Textile processing equipment capable of reducing dye liquor impurities and improving quality of printed and dyed cloth

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.
Owner:杭州华伟兴业印染有限公司

Emergency escape slide

InactiveCN107929964AIncreased evacuation speedGood evacuation effectBuilding rescueFloor levelEngineering
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.
Owner:深圳市鹏城建筑集团有限公司

A floating net type building group characterized by city and countryside integration

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.
Owner:青岛易企帮科技服务有限公司

A parallel three-truss full load passenger car body structure

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.
Owner:JILIN UNIV

System and method for calculating safety escape route of building fire hazards

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.
Owner:SHENZHEN GRAND MEDICAL SYST ENG

Jacking and quick-removing device for centering test of aircraft nose landing gear and its application method

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.
Owner:LANDING GEAR ADVANCED MFG

A kind of working method of emergency light

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.
Owner:徐州市全鑫毛制品有限公司
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