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33results about How to "Orderly evacuation" patented technology

Intelligent fire emergency evacuation method and system

Provided is an intelligent fire emergency evacuation method, comprising the steps of: a, a control system establishing a visual emergency evacuation model; b, in case of disaster, the control system inputting a disaster alarm signal into the emergency evacuation model; c, the control system calculating and storing a shortest evacuation path from each node to an emergency exit, and meanwhile setting the evacuation direction of each node in the shortest evacuation path; d, the control system setting a personnel evacuation direction in each channel of the shortest evacuation path in the emergency evacuation model; and e, the control system controlling the switch and direction instruction of each evacuation indicator in each channel evacuation direction of the shortest evacuation path in the emergency evacuation model. The invention also provides a system for realizing the method. The shortest emergency evacuation path is automatically generated according to spot disaster conditions, allows personnel to safely, rapidly and orderly evacuate according to indication directions of the evacuation indicators in case of disaster, and has the characteristics of high evacuation efficiency and high safety.
Owner:深圳市嘉泰智慧科技有限公司

Method for planning escape path in toxic gas leakage state in chemical industry park

The invention proposes a method for planning an escape path in a toxic gas leakage state in a chemical industry park. A geographical coordinate of a leakage source point is obtained, a Cartesian coordinate system is established by using the leakage source as an original point, and a chemical industry park is transformed into a node network map; on the basis of an improved Gaussian diffusion model,a large-range harmful gas concentration after gas leakage is calculated; a method for calculating a safe area after toxic gas leakage is put forward based on a gas diffusion range and the national safety standard and an improved method for toxic load calculation is also put forward to realize quantification of the harm on the human body, and an optimal path to the safety area by evacuated peopleis planned by using the toxic load as a weight based on a Dijkstra's shortest path algorithm. According to the invention, proper safety shelters can be planned for people in different areas timely soas to avoid a crowding situation in the shelter. Moreover, the simple calculation method is provided, the operation speed is increased, and an optimal path to the shelter is found time based on quantification of the harm on the human body by the toxic gas.
Owner:HANGZHOU DIANZI UNIV

Acousto-optic synchronous wireless fire safety evacuation equipment

The invention discloses acousto-optic synchronous wireless fire safety evacuation equipment. The equipment at least comprises a plurality of single machines which are wirelessly networked with a central control device, wherein each single machine is in signal connection with a temperature detection device and a smoke detection device respectively; the single machine at least comprises a network wireless transmitting and receiving module, a program control board and a laser generation and control device; the laser generation and control device is used for providing a laser guide pattern and at least comprises a laser generator and a lens which is driven by a step motor; a replaceable pattern card is arranged between the laser generator and the lens; and the single machine also comprises an audio play device. The acousto-optic synchronous wireless fire safety evacuation equipment of the invention realizes intelligent system linkage and active indication, greatly improves the safety standard, reduces the possibility of casualties, has high industrial generalization capacity and has the advantages of many nodes, flexible allocation, high adaptability and high reliability.
Owner:ANLONG INFORMATION TECH SHANGHAI

Multifunctional emergency lamp control system and control method thereof

A multifunctional emergency lamp control system comprises an upper computer and a plurality of emergency lamps. Each emergency lamp comprises a wireless communication module, a light operated module, a fire alarm module, a second pyroelectric infrared sensor module and a first pyroelectric infrared sensor module. The control method of the multifunctional emergency lamp control system includes steps of firstly, acquiring level signals in real time and sending the level signals to the upper computer by a lower computer, continuously acquiring the level signals and sending the level signals to the upper computer by the lower computer if finding no abnormal level signals, and otherwise, executing the next step; secondly, sending numbers of the emergency lamps which send out the abnormal level signals and types of the abnormal level signals to the upper computer by the lower computer, and simultaneously, enabling the light operated module, the fire alarm module and the second pyroelectric infrared sensor module to make response under control of the lower computer; and thirdly, displaying relevant information through the upper computer. The emergency lamp control system has multiple functions of power-off illumination, burglary prevention and fire alarm, and has the advantages of high practicability and the like.
Owner:JINAN UNIVERSITY

Fire extinguishing protective system for passenger compartment of bus

InactiveCN104162241AFire controlControl local high temperatureFire rescueFire detectorWater storage tank
The invention discloses a fire extinguishing protective system for a passenger compartment of a bus. The fire extinguishing protective system comprises a water mist spraying device, a fire extinguishing device and a starting device, wherein the water mist spraying device comprises a water storage tank, a first transmission pipeline and a first water mist nozzle; the first water mist nozzle is installed at the top part on the inner side of the bus and is connected with the water storage tank by virtue of the first transmission pipeline, the water storage tank is connected with a power mechanism; the fire extinguishing device comprises a water mist fire extinguishing mechanism and / or a gas fire extinguishing mechanism, wherein the water mist fire extinguishing mechanism comprises a second transmission pipeline and a second water mist nozzle, and the second water mist nozzle is installed at the bottom of the passenger compartment wall of the bus and is connected with the water storage tank or another water storage tank by virtue of the second transmission pipeline; the gas fire extinguishing mechanism comprises a fire extinguishing agent vessel, a fire extinguishing agent transmission pipeline and a fire extinguishing agent nozzle, wherein the fire extinguishing agent vessel is filled with a gas fire extinguishing agent, and the fire extinguishing agent nozzle is installed at the bottom of the passenger compartment wall of the bus and is connected with the fire extinguishing agent vessel by virtue of the fire extinguishing agent transmission pipeline; the starting device comprises a main controller, and the main controller is connected with a starting button and / or fire detector.
Owner:CNBCC AUTOMOBILE SPARE PART XIAMEN

Position identifying device for guiding people to scatter based on audio technology and control method thereof

InactiveCN104282099AOvercoming the problem of not being able to clearly identify the safe partReduce chanceSignalling system detailsBuilding rescueIdentification deviceBroadband
The invention relates to a position identifying device for guiding people to scatter based on the audio technology. A power source conversion circuit is connected with a CPU circuit, a voice amplifying circuit, a power amplifying circuit, a light emitting drive circuit and a broadband voice bank storage circuit. The CPU circuit is connected with the voice amplifying circuit, an output control circuit, a parameter setting circuit and a broadband voice band storage circuit. A control method of the position identifying device comprises the following steps that the CPU circuits of multiple position identifying devices receive a trigger signal at the same time, the CPU circuit of each position identifying device starts the corresponding position identifying device according to a parameter signal and calls voice information in the broadband voice bank storage circuit, and the corresponding position identifying device is controlled to make a sound and emit light. According to the position identifying device for guiding people to scatter based on the audio technology, position identification is achieved based on the audio technology, the problem that light rays of a light indicating identifying device are blocked after smoke diffuses, and therefore a safe position cannot be clearly identified can be effectively solved, and the probability of secondary disasters is reduced.
Owner:SHENYANG FIRE RES INST OF THE MIN OF PUBLIC SECURITY

Escape system of underwater suspension tunnel

The invention discloses an escape system of an underwater suspension tunnel. The escape system comprises an automatic alarm system, an escape time prolonging system and escape paths. The automatic alarm system comprises a video monitoring device, a water level monitoring device, a temperature measurement and control device, a toxic gas detection device and a centralized control center, wherein theescape time prolonging system comprises a buoyancy-weight ratio adjusting system, a communication channel sealing door and a tunnel portal emergency sealing door; the escape paths comprise the escapepath in the tunnel and the escape path at the top of the tunnel; the escape path in the tunnel comprises a tunnel pavement escape channel, a tunnel upper-layer escape channel and a communication channel of a double-pipe tunnel, wherein the tunnel pavement escape channel and the tunnel upper-layer escape channel lead to a shore connection structure; the tunnel pavement escape channel is arranged in the middle layer of the tunnel; the tunnel upper-layer escape channel enters through a plurality of manholes formed in an upper partition plate; and the escape path at the top of the tunnel comprises a plurality of standby emergency escape exits and rescue underwater boats, wherein the standby emergency escape exits and the rescue underwater boats are arranged at the top of the tunnel. Accordingto the escape system, the water burst speed in the suspension tunnel can be decreased, and enough time is won for escape of personnel.
Owner:CCCC THIRD HARBOR ENG

Emergency management method based on smart community

The invention relates to the field of smart communities and big data, and discloses a smart community-based emergency management method, which comprises the following steps that: an emergency identification module of a smart community cloud platform identifies whether an emergency event occurs according to emergency monitoring data, and when an emergency event occurs, emergency evacuation area analysis is carried out according to the emergency event type, the emergency event time and the emergency event place to obtain an emergency evacuation area; a resident distribution module acquires resident distribution videos in the emergency evacuation area, and performs resident outdoor distribution analysis on the resident distribution videos in the emergency evacuation area to obtain resident outdoor distribution information in the emergency evacuation area; and then obtains resident indoor distribution information according to the community resident real-time statistical information and theresident outdoor distribution information; and an emergency evacuation module analyzes and obtains an emergency evacuation scheme according to the resident outdoor distribution information, the resident indoor distribution information and the emergency evacuation area topographic map of the emergency evacuation area, and sends the emergency evacuation scheme to corresponding emergency evacuationequipment.
Owner:广元量知汇科技有限公司

5G-based vehicle dispersion method and system

The embodiment of the invention discloses a 5G-based vehicle dispersion method and system. The method comprises the steps: collecting a road image of each road segment, carrying out the recognition, and determining an accident road segment; determining other road segments connected with the accident road segment through the road intersection, and taking the accident road segment and the other road segment as road segments to be detected; continuously collecting road images of each road segment to be detecte in a preset time period, and judging whether each road segment to be detecte is subjected to vehicle congestion or not; taking the accident road segment with congestion as an unchangeable line road segment, and taking other road segments with vehicle congestion as variable line segments; calling road information in a first preset range of the variable line segment, and making a congestion vehicle line changing scheme based on the road information; numbering the congested vehicles of the unchangeable road segment; and sending a retreat instruction to the 5G vehicle-mounted equipment based on the serial number, wherein the retreat instruction is used for guiding the driver to sequentially withdraw from the unchangeable line segment according to the serial number. The technical problem that congested vehicles are difficult to be quickly and effectively dredged when a traffic accident occurs is solved.
Owner:JINAN JINYU HIGHWAY IND DEV

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

Fire linkage method and system of elevator

The invention discloses a fire linkage method and system of an elevator. The fire linkage method of the elevator comprises the steps that fire information of a building fire fighting system is acquired; when the fire fighting system detects a fire, the real-time monitoring image of the floor where the fire happens is acquired; the real-time monitoring image of the floor where the fire happens is played on a display screen in an elevator car; and the elevator enters a fire-fighting service state, the elevator automatically stops to an evacuation floor to evacuate passengers. When a fire happens, the elevator can automatically stop to the evacuation floor to evacuate passengers.
Owner:GUANGZHOU GUANGRI ELEVATOR IND

Directional loudspeaker control method and system applied to expressway

The embodiment of the invention provides a directional loudspeaker control method and a system applied to expressway. The method comprises steps: analyzing environmental data in a tunnel to judge whether an accident occurs in the tunnel, and determining the accident occurrence position and the accident grade when the accident occurs, so that the available emergency exit in the tunnel is determined; then, according to the position of the available emergency exit, determining directional loudspeaker modules in the accident range and people flow information of the warning areas, and matching corresponding warning information for the directional loudspeaker module corresponding to each warning area; and finally, enabling the directional loudspeaker module to play the corresponding warning area to guide the personnel to go to the matched available emergency exit. By utilizing the characteristic of directional sound propagation of the directional loudspeaker module and combining the pedestrian flow condition in each warning area, the emergency exit is reasonably distributed, corresponding guide information is directionally propagated to personnel in the warning area, and orderly evacuation of the personnel is helped.
Owner:浙江高信技术股份有限公司

Fiber laser earthquake monitoring early warning device

The invention discloses a fiber laser earthquake monitoring early warning device comprising a metal tube, an optical fiber, a laser, a range finder, a data acquiring end, a data transmitting end, and an earthquake alarming device. The metal tube is vertically disposed under a ground surface, and the upper end of the metal tube is exposed out of the ground surface. The optical fiber is vertically disposed in the metal tube, and the laser is disposed on the upper part of the metal tube, and is connected with the optical fiber. The range finer is disposed on the metal tube on the upper part of the ground surface, and the data acquiring end and the data transmitting end are disposed on the ground surface, and are electrically connected with the range finder. The earthquake alarming device is disposed on the ground surface, and is electrically connected with the data transmitting end. When an earthquake occurs, the metal tube under the ground surface is distorted and deformed, and the optical fiber is compressed or even destroyed, and then the circuit of the range finder is used to detect the distortion deformation position, and is used to transmit a signal to the data acquiring end, and then the signal is transmitted by the data transmitting end, and in addition, the earthquake alarming device is used to give alarms. A control center is disposed on the ground surface, and the control center is used to transmit the received signal to a personal cell phone mobile terminal by a communication system in order to prompt population evacuation.
Owner:ZHANGPU PI IND DESIGN CO LTD

Intelligent fire emergency evacuation method and system

Provided is an intelligent fire emergency evacuation method, comprising the steps of: a, a control system establishing a visual emergency evacuation model; b, in case of disaster, the control system inputting a disaster alarm signal into the emergency evacuation model; c, the control system calculating and storing a shortest evacuation path from each node to an emergency exit, and meanwhile setting the evacuation direction of each node in the shortest evacuation path; d, the control system setting a personnel evacuation direction in each channel of the shortest evacuation path in the emergency evacuation model; and e, the control system controlling the switch and direction instruction of each evacuation indicator in each channel evacuation direction of the shortest evacuation path in the emergency evacuation model. The invention also provides a system for realizing the method. The shortest emergency evacuation path is automatically generated according to spot disaster conditions, allows personnel to safely, rapidly and orderly evacuate according to indication directions of the evacuation indicators in case of disaster, and has the characteristics of high evacuation efficiency and high safety.
Owner:深圳市嘉泰智慧科技有限公司

Blockage collapse type debris flow early warning method based on sudden water level change

The invention discloses a blockage collapse type debris flow early warning method based on sudden water level change, which comprises the following steps that S1, a water level sensor is arranged on a channel, the water level sensor is arranged on the upstream of a debris flow hazard area, and a unit monitoring duration is set for the water level sensor by an early warning center; s2, the water level sensor transmits data to an early warning center, the early warning center obtains the data of the water level sensor, and the average water level and the average fluctuation amplitude of the channel are calculated; s3, when the early warning center monitors that the water level data monitored by the water level sensor declines and exceeds the average fluctuation amplitude, the early warning center issues different levels of early warning information according to the exceeding degree; and S4, when the early warning center monitors that the water level data monitored by the water level sensor declines, suddenly and greatly rises and then declines to a stable water level, and the stable water level lasts for at least two unit monitoring durations, the early warning center relieves the early warning information. Through the early warning method, the blockage and collapse type debris flow can be early warned, the early warning advance is increased, and disasters caused by the debris flow to people or objects are reduced.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI

Mining wireless laser methane alarm system and method

The invention belongs to the technical field of methane alarm, specifically relates to a mining wireless laser methane alarm system and method, and the technical problems to be solved by the inventionis to provide the mining wireless laser methane alarm system and method with relatively good alarming effect. According to the technical solution, the mining wireless laser methane alarm system comprises a plurality of laser methane sensors which are arranged under a well and used for collecting the methane concentration of an operation area, a plurality of area alarm terminals which each are connected with a plurality of laser methane sensors and used for receiving and displaying methane concentration signals output by the laser methane sensors and sending out remote alarm signals, voice alarm signals and flashing light alarm signals when the methane concentration exceeds a set value, and a remote control host which is used for receiving the remote alarm signals sent by the area alarm terminals, analyzing the methane concentration distribution under the whole well, sending a power-off locking signal to electrical equipment, and sending an emergency evacuation instruction to the areaalarm terminals so as to enable the area alarm terminals to send an evacuation warning sound.
Owner:山西宏安翔科技股份有限公司

Intelligent control fire extinguishing device

The invention discloses an intelligent control fire extinguishing device. The intelligent control fire extinguishing device comprises a temperature sensor module, an alarm unit and a smog sensor module. The temperature sensor module, the alarm unit and the smog sensor module are connected with a control terminal. The control terminal is connected with a controller. The controller is connected with a nozzle valve and a power pump. The power pump is connected with a dry powder body and a dry powder nozzle module through pipelines. The temperature sensor module and the smog sensor module are used for monitoring and early warning of fires in all positions of public places, once a fire occurs, the control terminal controls the alarm unit to give an alarm song, people is reminded of the fire and evacuated orderly, and meanwhile, the controller controls the power pump to start and open a dry powder valve on the dry powder nozzle module, so that dry powder is conveyed to a dry powder nozzle through a pipeline for sprinkling fire extinguishing, a person does not need to hold a fire extinguisher to extinguish the fire, the fire extinguishing effect is quite good, and the effect of half the work with double results can be achieved.
Owner:重庆喜恩动力机械有限公司

Fire alarm system

The invention discloses a fire alarm system; a CO detection module is arranged to detect CO content of a detection site; a smoke detection module is arranged to detect smoke of the site; an infrared detection module is arranged to detect whether human beings present on the site or not; the above detection signals are input to a controller module; a controller judges whether a fire occurs or not according to the CO content and the smoke quantity, and fire judging accuracy is improved; if a fire occurs and no one is present on the site, a speech broadcasting module is activated to give an alarm to remind people of taking corresponding measures; if there are human beings present on the site, the speech broadcasting module is activated to give an alarm and remind the personnel on the site of escape routes and modes, so that the personnel may be evacuated orderly to avoid chaos and loss; a flame detection module is also arranged to detect a flame on the site, a flame signal is input to the controller module so that the controller module may judge whether there is fire a or not more accurately, and the fire judging accuracy of the fire alarm system is improved.
Owner:GUILIN NORMAL COLLEGE

Integrated security monitoring management system

The invention discloses an integrated security monitoring management system which comprises a processor, a monitoring obtaining module, a data processing module, a route planning module, a broadcast sub-control module, a short message sending module and a database. The processor is electrically connected with a service interface, and the processor is also electrically connected with all the above modules and database. The system is realized by the following steps of monitoring obtaining, analysis on disaster situation and person distribution, data transmission, planning of an optimal route, and broadcasting sub-control. The integrated security monitoring management system is reasonable in design, and when a disaster happens, people can be guided to evacuation in the optimal route as soon as possible, and the personal safety can be improved effectively.
Owner:XIAMEN QIHE INFORMATION SCI & TECH CO LTD

A directional tweeter control method and system applied to highways

The directional tweeter control method and system applied to highways provided by the embodiments of the present invention can determine whether an accident has occurred in the tunnel by analyzing the environmental data in the tunnel, and determine the accident location and accident level when the accident occurs, so as to determine The available safety exits in the tunnel, and then determine the directional tweeter module within the accident range and the traffic information of the warning area according to the position of the available safety exit, and match the corresponding warning information for the directional tweeter module corresponding to each warning area, Finally, the directional tweeter module plays to the corresponding warning area to guide the personnel to the matching available safety exit. This application utilizes the characteristics of directional transmission of sound from the directional tweeter module, combined with the flow of people in each warning area, rationally allocates safety exits, and disseminates corresponding guidance information to people in the warning area to help people evacuate in an orderly manner.
Owner:浙江高信技术股份有限公司

Dense crowd evacuation method

The invention discloses a dense crowd evacuation method, which comprises the following steps of: 1, generating regular bus products in an enterprise platform management system, and generating identification codes and / or links capable of ordering to select regular bus products; 2, pushing the identification code and / or the link to the client; 3, enabling the client toscan the identification code or clicks the link to enter a corresponding order placing page to select a regular bus product; 4, arranging corresponding transport capacity according to the number of passengers selected by each regular bus route; and 5, generating a riding prompt and sending the riding prompt to the customer. According to the invention, shift distribution of destination passenger groups in different areas can be accurately completed through platform order placing data, arrangement and allocation of transport capacity are facilitated, and the effective utilization rate of the transport capacity and the efficiency can be improved; the client is guided to arrive at the getting-on place through the sent riding prompt, so that the client can quickly arrive at the destination conveniently, people can be evacuated orderly, and the client experience can be improved; and the collection of the fare can bring more benefits to the activity sponsor.
Owner:中仁车汇科技发展(深圳)有限公司

A mine-used wireless laser methane alarm system and method

The invention belongs to the technical field of methane alarm, specifically relates to a mining wireless laser methane alarm system and method, and the technical problems to be solved by the inventionis to provide the mining wireless laser methane alarm system and method with relatively good alarming effect. According to the technical solution, the mining wireless laser methane alarm system comprises a plurality of laser methane sensors which are arranged under a well and used for collecting the methane concentration of an operation area, a plurality of area alarm terminals which each are connected with a plurality of laser methane sensors and used for receiving and displaying methane concentration signals output by the laser methane sensors and sending out remote alarm signals, voice alarm signals and flashing light alarm signals when the methane concentration exceeds a set value, and a remote control host which is used for receiving the remote alarm signals sent by the area alarm terminals, analyzing the methane concentration distribution under the whole well, sending a power-off locking signal to electrical equipment, and sending an emergency evacuation instruction to the areaalarm terminals so as to enable the area alarm terminals to send an evacuation warning sound.
Owner:山西宏安翔科技股份有限公司

Building fire safety monitoring method, fire monitoring system and electronic equipment thereof

The invention relates to the technical field of urban building fire safety, in particular to a building fire safety monitoring method, a fire monitoring system and electronic equipment thereof, and the method comprises the following steps: Step 1: obtaining a target building plan, obtaining target building attribute data, and generating a target building stereoscopic model according to the obtained target building plan; step 2, planning a travel path of the target building, estimating travel time of the travel path, acquiring a monitoring real-time picture in the target building, and selecting an optimal evacuation route; and step 3, setting an alarm notification signal execution program according to the dangerous source and the living body target quantity data of each floor in the target building. The building fire safety monitoring method provided by the invention is used for fire evaluation and safe evacuation of the building, the internal structure of the target building is effectively analyzed by using the method, all evacuation channels for escape are effectively planned when a fire occurs in the building so as to be selected by trapped people, the fire safety level of the building is improved, and the safety of the building is improved. And the safety degree and the satisfaction degree of users in the building are enhanced.
Owner:张强

Emergency processing system and method based on informatization platform

PendingCN113327001AOrderly evacuationAvoid delays in disaster reliefResourcesInformatizationIncident site
The invention discloses an emergency processing system and method based on an informatization platform, and relates to the technical field of informatization emergency systems. The system comprises an early warning module, a central control module, a field work module and a command module. The early warning module is used for finding an accident area, and the central control module is located in a central control room and is used for timely confirming and judging disaster severity of an accident site; the on-site work module distributes on-site work tasks through a mobile device; the command module is located in an emergency command center of an industrial park and used for remotely commanding disaster handling. According to the invention, an accident site can be found in time through the information platform, timely reporting and timely communication can be achieved, timely notification can be achieved through a broadcast unit of the command center, so that the people in a dangerous area are organized to evacuate orderly, and an accident site is found in the first time and emergency measures are taken in time.
Owner:NANJING UNIV +1

A two-way pedestrian flow simulation method and system with an 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

An escape system for an underwater suspension tunnel

The invention discloses an escape system for an underwater suspension tunnel, which comprises an automatic alarm system, an escape time extension system and an escape path. Automatic alarm system includes video monitoring device, water level monitoring device, temperature measurement and control device, toxic gas detection device and centralized control center; escape time extension system includes buoyant weight ratio adjustment system, contact channel sealing door and emergency sealing door at tunnel entrance; escape route includes tunnel The inner escape route and the escape route at the top of the tunnel; the escape route in the tunnel includes the tunnel road surface escape passage leading to the shore structure, the tunnel upper escape passage, and the communication passage of the double-pipe tunnel; the tunnel road surface escape passage is set in the middle layer of the tunnel; the tunnel upper layer escape passage Enter through multiple manholes opened on the upper partition; the escape path at the top of the tunnel includes several backup emergency escape exits and rescue submarines on the top of the tunnel. The escape system of the present invention can slow down the speed of water gushing in the suspension tunnel and buy enough time for personnel to escape.
Owner:CCCC THIRD HARBOR ENG

A method for planning the escape route of toxic gas leakage in a chemical industry park

The invention proposes a method for planning an escape path for poison gas leakage in a chemical industry park. The invention first obtains the geographic coordinates of the leakage source point, and establishes a Cartesian coordinate system with the leakage source as the origin, and converts the chemical industry park into a node network diagram; the improved Gaussian diffusion model is used to calculate the concentration of harmful gases in a large range after gas leakage; A method of calculating the safe area after poison gas leakage is proposed through the gas diffusion range and national safety standards, and an improved calculation method of toxic load is proposed to quantify the damage to the human body, and the Dijkstra shortest path algorithm is used to calculate the toxic load. The quantity is used as the weight, and the optimal path for evacuating people to the safe area is planned. The invention timely plans suitable safe refuges for people in different areas, avoids the crowded situation of the refuges, and has a simple calculation method, improves the calculation speed, and finds an optimal path to the refuge according to the quantification of the poisonous gas on the human body.
Owner:HANGZHOU DIANZI UNIV

Liftable anti-stepping device

The invention relates to a public plate safety device, in particular to a lifting type tread-preventing device. The device comprises fixed supports, clamps, inner telescopic rods and a pair of handrail rods, wherein multiple inner telescopic rods are installed on each handrail rod and hinged to the fixed supports, the fixed supports and the clamps are fixed to the top of a stairway, the handrail rods are installed parallel to the stairway, the handrail rods and the inner telescopic rods are overturned to be attached to the top of the stairway when not used, and the handrail rods are clamped by the clamps. The device can be stored on the top of the stairway, the free height and appearance of the stairway are not affected, and the handrail rods can provide leverage points for escape crowd to main body balance after descending; meanwhile, the two handrail rods are combined with stair railings after descending, and crowd decentralization can be guided, so that people can be evacuated in order.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Indoor environment monitoring and warning system

The invention discloses an indoor environment monitoring and warning system, which comprises a temperature sensor, a humidity sensor, a gas concentration sensor and a controller, wherein output ends of the temperature sensor, the humidity sensor and the gas concentration sensor are connected with the input end of the controller; and the output end of the controller is respectively connected with a warning device, a voice prompt module, a temperature reducing mechanism, a dehumidification mechanism and a ventilating mechanism. Indoor environment changes can be monitored by the sensors in real time, once in the case of a large change, warning signals are given through the warning device, a person is reminded to be evacuated, protection in a first time is carried out through a related handling mechanism, voice is played through the voice prompt module, the person is informed to be evacuated orderly, and casualties can be reduced to the maximum degree.
Owner:合肥铭志环境技术有限责任公司

A multifunctional emergency light control system and its control method

A multifunctional emergency lamp control system comprises an upper computer and a plurality of emergency lamps. Each emergency lamp comprises a wireless communication module, a light operated module, a fire alarm module, a second pyroelectric infrared sensor module and a first pyroelectric infrared sensor module. The control method of the multifunctional emergency lamp control system includes steps of firstly, acquiring level signals in real time and sending the level signals to the upper computer by a lower computer, continuously acquiring the level signals and sending the level signals to the upper computer by the lower computer if finding no abnormal level signals, and otherwise, executing the next step; secondly, sending numbers of the emergency lamps which send out the abnormal level signals and types of the abnormal level signals to the upper computer by the lower computer, and simultaneously, enabling the light operated module, the fire alarm module and the second pyroelectric infrared sensor module to make response under control of the lower computer; and thirdly, displaying relevant information through the upper computer. The emergency lamp control system has multiple functions of power-off illumination, burglary prevention and fire alarm, and has the advantages of high practicability and the like.
Owner:JINAN UNIVERSITY
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