33results about How to "Orderly evacuation" patented technology

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.

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.

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 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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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.