151 results about "Emergency exit" patented technology

The invention relates to the technical field of digital simulation, and discloses an emergency rescue method and system based on unmanned aerial vehicles and an urban three-dimensional platform, and the method comprises the steps: calling an emergency rescue region model through the urban three-dimensional platform, driving an unmanned aerial vehicle formation to go to an emergency region to obtain real-time region information, and employing a pre-trained accident condition image recognition algorithm to recognize an accident condition image; accident condition characteristics such as smoke and fire, fire fighting access blockage, emergency exit blockage, urban inland inundation, dangerous slopes, dangerous building detection, illegal building of building roofs, river channel floating object recognition and high-voltage electric tower inclination monitoring are identified, and the accident condition characteristics are substituted into the regional three-dimensional model to generate an accident simulation model. Real-time accident condition feedback is provided through the accident simulation model, rescue workers are assisted to make scientific rescue decisions, through comprehensive analysis and accurate simulation of an emergency rescue area, the detection efficiency of the unmanned aerial vehicle is improved, the timeliness and accuracy of rescue are enhanced, and the problem that in the prior art, the efficiency is low through manual collection of the current accident condition is solved.

The invention discloses a safe evacuation path planning method under a strong wind condition of island engineering. According to the technical scheme, the method is characterized by comprising the steps that firstly, the physical space of an engineering site is discretized into a plurality of grid units, and a computable graph structure is constructed; then, acquiring multi-source dangerous area information generated in real time, and quantifying the dangerous area information into a dynamic risk value of each grid unit; then, acquiring the real-time position of the constructor as a starting point, and presetting an emergency exit as an ending point; and finally, on the constructed risk grid map, a heuristic search algorithm such as A * is adopted, and the geometric distance and the dynamic risk value between grid units are fused by a cost function of the heuristic search algorithm, so that an optimal evacuation path considering safety and efficiency is quickly searched. According to the method, the safety risk is quantified and fused into the path optimization process, so that the quick response to the dynamic environment and the real-time re-planning of the path are realized, and the efficiency and safety of personnel evacuation under the emergency condition are remarkably improved.

The invention discloses a fire evacuation navigation robot control method based on an improved A * algorithm, and the method comprises the steps: enabling a robot to continuously optimize the pose estimation of the robot through the fusion of laser radar data and odometer data through the Cartographic algorithm, and constructing an accurate map; after a task is accepted, an on-fire area is identified according to a carried infrared flame sensor, active avoidance is performed after the on-fire area is identified, the heuristic function weight is dynamically adjusted through an improved A * algorithm in combination with the path direction and the obstacle density, and the safest evacuation path is planned to reach a specified emergency exit. Meanwhile, by means of the carried binocular camera and laser radar, obstacles and areas with high crowd density along the way can be avoided in real time. According to the method, two heuristic functions of the Manhattan distance and the Euclidean distance are combined and used during node expansion and priority queue processing, the efficiency and precision of path planning can be effectively improved, and after the preliminary path is found, fitting is carried out on the path through the spline curve, so that a smoother and more natural path is generated.

The invention provides a sliding door structure with an emergency exit and an emergency throwing method thereof.In the structure, an upper sliding rail, a middle sliding rail and a lower sliding rail are fixed to a machine body structure, a sliding door slides in the upper sliding rail, the middle sliding rail and the lower sliding rail through a pulley and a swing arm, and the sliding door is provided with an emergency exit channel above the waterline position; the ball socket support, the first lock seat, the second lock seat and the sliding block are installed on the periphery of an emergency exit channel on the sliding door. The bulb hinge, the bolt throwing mechanism, the handle, the transparent protective cover plate and the interior trim panel are mounted on the emergency door; the emergency door is respectively matched with the ball socket support, the first lock seat and the second lock seat through the ball head hinge and the bolt throwing mechanism and is fixed on the sliding door; the handle is connected with the bolt throwing mechanism and is used for operating the throwing emergency door; the overland and overwater emergency evacuation requirements can be met at the same time.

The invention relates to the technical field of building safety detection, and discloses a building element comprehensive information application method and system.The building element comprehensive information application method comprises the steps that building information collection is conducted on a target building to construct a building information model, building element data collection is conducted according to preset building elements to form an element building model; real-time monitoring is carried out through a sensor group and AR equipment to obtain real-time monitoring data, the real-time monitoring data are substituted into an element building model to analyze element actual characteristics and safety characteristics of a building, and the safety condition of the building is evaluated by carrying out fire detection and positioning, fire fighting access occupation and blockage detection, emergency exit recognition, emergency evacuation sign recognition and the like on the building. By collecting the building information and the building element data and combining the real-time monitoring information, the real-time condition of each part of the building is accurately described so as to detect potential safety hazards, the building disaster response capability and the management efficiency are improved, and the problem that in the prior art, potential safety hazards are likely to be missed due to manual building safety inspection is solved.

The invention discloses an electric automobile sliding energy recovery control method and system, and belongs to the technical field of electric automobiles. The method comprises the steps that the accelerator pedal opening degree at the current moment, the accelerator pedal opening degree at the previous moment, the target automobile speed and the actual automobile speed are obtained; calculating a vehicle speed difference and a pedal opening degree variable quantity; based on the vehicle speed difference, the pedal opening degree variable quantity, a vehicle speed difference threshold value where regenerative braking torque intervenes and a vehicle speed difference threshold value where the regenerative braking torque exits, the braking intention is judged; and based on the braking intention and the rear axle wheel slip rate, the RBCS state switching unit is controlled to be switched among a driving mode, a regenerative braking torque increasing mode, a regenerative braking torque keeping mode and a regenerative braking emergency exit mode. The driving intention can be adaptively recognized, the control parameters are dynamically adjusted, and the safety of complex road conditions is considered.

A push pad exit device comprising a horizontal push bar actuator mechanically linked to a vertical door handle assembly, for use on the interior side of entrance doors where a means of emergency egress is desired, is presented. The operating mechanisms of the push bar actuator and vertical door handle assembly are concealed presenting a smooth uncluttered appearance. In one mode of operation, the push pad actuator may be moved inwards towards the door face causing the door to unlatch. The push pad exit device may also be equipped with a “dogging feature” which locks the push bar actuator in the unlatched position. In this mode of operation the door is unlatched and the push pad actuator may be used as a fixed door handle. The push pad exit device may also be equipped with a keyed lock on an external face of the door.

An emergency egress safety system for a door to a protected room, the emergency egress safety system includes a base, the base for straddling an edge of a door and having a first portion for locating on a side of the door facing outside the protected room and a second portion for locating on a side of the door facing the protected room, an arm mounted relative to the base, the arm being mounted to the base for movement between a stowed position and a deployed position where the arm is extended from the base and is automatically locked in the deployed position to block the door that is straddled by the base, and at least one actuator located at the first portion operable to unlock the arm to allow the arm to return to its stowed position.

The invention relates to the technical field of intelligent fire fighting, and discloses an evacuation indication route design method, system and equipment considering a fire position, and the method comprises the steps: building a first ant colony algorithm model, determining the direction of a daily evacuation indication lamp under the condition of no fire, and determining a daily evacuation room set of each evacuation indication lamp pointing to each emergency exit, the first generation module generates a first evacuation indication route; judging whether the available time of each emergency exit is greater than or equal to the evacuation time from the room to the corresponding evacuation indicating lamp to point to each emergency exit when no fire occurs; if yes, continuing to execute the first evacuation indication route; and if not, dynamically planning a second evacuation indication route by adopting a second ant colony algorithm model. Through scientific model establishment and a dynamic adjustment mechanism, the situation that people select unavailable or crowded emergency exits in the evacuation process can be effectively avoided, the panic feeling of evacuated people caused by confusion and congestion in the evacuation process is reduced, and therefore the overall evacuation efficiency is improved.

A cloud-based intelligence to emergency evacuation systems using Wi-Fi access points over data communication systems. A layout of emergency exits for a building being monitored and AP locations within the building layout is configured. A density map is generated from a number of stations within radio range of each AP including stations that are connected and stations that are not connected. An emergency that requires evacuation of people from the building from an emergency system associated with the building is detected. In response, an optimal evacuation route from each AP based on the density map and the building layout is generated. Evacuation instructions for each AP can be displayed on the stations within range of each AP.

The invention discloses a tunnel event-driven multi-mode induction warning control method and system, and relates to the technical field of tunnel safety management. The method comprises the following steps: generating a tunnel global dynamic risk field based on monitoring data acquired by a multi-source sensor in a tunnel; according to the intensity distribution characteristic and the spatial change characteristic of the dynamic risk field, calculating optical flow driving potential energy, and generating the working mode, the basic brightness and the flicker frequency of each induction sign based on the optical flow driving potential energy; when the emergency mode is determined, calculating an optical flow steering vector according to the distribution characteristics of the dynamic risk field and preset emergency exit information, and generating a dynamic optical flow evacuation path pointing to the nearest emergency exit; and calculating a tunnel body efficiency factor according to the tunnel traffic state and the dynamic risk field situation change, and when the tunnel body efficiency factor is smaller than a preset efficiency threshold value, triggering a parameter adjustment mechanism. The tunnel safety and the emergency response efficiency are improved by adjusting an induction sign and an optical flow guide evacuation path and optimizing system parameters in real time.

A fortification structure consisting of a supporting body (1) in the form of a hollow elongated shell (5) along the horizontal axis, assembled from a set of metal corrugated sheets (4) of rectangular plan and curved cross-sectional shape and at least two walls (2,3), perpendicular to said horizontal axis of the shell and connected thereto, the shell of the supporting body has a ring-like cross-sectional shape, the interconnection of the metal corrugated sheets of the shell is made with an overlapping bolted connection (8,9), and the walls are made of a set of flat metal sheets interconnected with an overlapping bolted connection, the wall at the entrance to the structure is equipped with a sealed door, and the wall on the rear side of the structure is equipped with an emergency exit, each wall being bolted to the shell along the contour of the wall.

The invention relates to the technical field of intelligent security and protection, in particular to an intelligent rescue assisting method and system for high-rise building fire disasters, and the method comprises the steps that a base station subsystem monitors environment information, and provides positioning information for a mobile terminal subsystem and an unmanned aerial vehicle subsystem; the visual subsystem collects image information of emergency exits in all floors, and people flow density distribution information is obtained based on the image information; the upper computer subsystem displays the movement tracks of the firefighter and the unmanned aerial vehicle and performs real-time navigation; state information of the person in distress is displayed in real time according to video information collected by the unmanned aerial vehicle subsystem; each base station is modeled according to the people flow density distribution information and the environment information, the optimal path information from each base station to the emergency exit is calculated, and the road sign subsystem displays the optimal path information sent by the upper computer subsystem and carries out voice prompt; the survival probability of persons in distress can be increased, and the risk of firemen can be reduced.

The application relates to a door lock device for an emergency passage of a public building, relates to the technical field of door locks, and aims to improve the problem that a door lock handle cannot be conveniently replaced. The door lock device for the emergency passage of the public building comprises a mounting frame and a rotating frame rotatably arranged on the mounting frame, the rotating frame is externally provided with a handle, the rotating frame is slidably connected with the handle, a guide assembly is arranged between the rotating frame and the handle, and the guide assembly is used for guiding the handle to slide and be clamped with the rotating frame; and a locking assembly is arranged on the rotating frame and used for locking the handle and the rotating frame. The application has the effect that the door lock handle can be conveniently replaced.

The egress window assembly uses a three piece window frame design that allows an outer egress frame to be manually separated from the window assembly to provide emergency egress from the vehicle or structure. In addition to the egress window frame, the egress window assembly includes an egress window frame, an interior window frame, an exterior window frame and a release mechanism that detachably secures the egress frame to the exterior window frame. The release mechanism uses rotating handles on the interior window frames and internal slides bars that shift between the locked and unlocked positions that free the egress frame from the egress window assembly.

The invention provides a safety early warning method and device, equipment and a program product, and the method comprises the steps: obtaining a spatial topological graph of a target region, enabling nodes in the graph to be used for representing spatial units in the target region, and enabling edges in the graph to be used for representing paths between the spatial units; and determining an evacuation path from each space unit to the emergency exit of the target area based on the spatial topological graph. For each space unit, determining a space risk value of the space unit based on real-time monitoring data of a safety monitoring device used for specifying disaster monitoring and an attribute incidence matrix of the space unit; determining an evacuation path risk value of the space unit based on the path weight of the evacuation path of the space unit and the space risk values of other space units communicated with the evacuation path; and determining a comprehensive risk value of the space unit based on the space risk value and the evacuation path risk value of the space unit. And performing security situation assessment based on the comprehensive risk value of each space unit to decide whether to output early warning information or not.

According to the technical scheme, the smoke heat training experience cabin is characterized in that a conduction bin and a transmission assembly are arranged, and a hydraulic cylinder conducts transmission to drive the conduction bin to be adjusted at the inner end of an experience cabin body, so that house earthquakes and fire disasters can be simulated, the transmission assembly is operated and started, and the experience cabin can be adjusted. According to the smoke heat training experience cabin, falling simulation of a falling object can be achieved, the smoke heat training experience cabin can conveniently conduct training of knocking down the falling object, and the problem that the training function of the experience cabin is not good is solved; by arranging the experience cabin body, the experience cabin body in a special shape is internally provided with a plurality of rooms, and the environment with the complex fire scene environment can be simulated; an emergency exit is arranged, and the emergency exit is additionally arranged on the basis of a plurality of connecting doors, so that the training of the device is safer; and the suction assembly is arranged, so that the experience cabin body can conveniently transmit the hot smoke to the outside for treatment, and the use effect of the experience cabin body is improved.

The invention relates to a vehicle seat (100), comprising at least: - a seat section (102), - a backrest (104), - a kinematic mechanism (120) for moving the vehicle seat (100) from a usage position (200) to an entry position (210) and back, - a longitudinal adjustment device (110) for longitudinal adjustment of the vehicle seat (100) and - an entry position stop (300) which is designed to absorb a force (F) acting on the backrest (104) in the entry position (210) and to run freely to provide an emergency exit.

The utility model relates to the technical field of civil air defense engineering, in particular to an intelligent protective door device for civil air defense engineering, which comprises a door frame and an emergency device, a door body is mounted in the door frame, a handle is mounted on the surface of the door body, and the emergency device is arranged on the lower surface of the door body and comprises a base which is fixedly connected with the door body. A rotating rod is rotatably connected to the surface of the base, a clamping seat is fixedly connected to the surface of the rotating rod, a baffle is fixedly connected to one side of the clamping seat, an emergency exit is formed in the side, close to the baffle, of the door body, the baffle is connected with the emergency exit in the lower surface of the door body in a clamped mode, and a clamping plate is fixedly connected to one side of the baffle. And under the condition that the door body is difficult to open, people can conveniently leave, the safety of the equipment is improved, the door body can be conveniently opened when the door body breaks down, and the escape efficiency of the equipment is improved.

A method is proposed for evacuating passengers from an autonomously driving shuttle for passengers who, in order to use the shuttle, have a mobile terminal with a software application for the shuttle, wherein a map of the interior of the shuttle used is stored in the software application or can be retrieved by the software application, and wherein each software application has a communication interface to a control unit which can communicate at least the current status of the shuttle to the software application, wherein in the event that a situation is detected by the control unit in which the shuttle is to be evacuated, communication is made to the software applications of the passengers' mobile terminals, wherein each mobile terminal then carries out localization and orientation and the software application determines a nearest possible emergency exit based on this and directs the passenger there.

The invention discloses an escape system for detecting a fire disaster, which comprises a fire disaster detection module, a wireless signal transmission technology and a wireless signal transmission module, the wireless signal transmission technology is arranged in the fire disaster detection module, the wireless signal transmission technology is used for generating a wireless network signal, the fire disaster detection module is used for monitoring the fire disaster, and when the fire disaster occurs, the wireless network signal is transmitted to the wireless signal transmission module. The fire detection module transmits a fire alarm signal and fire time to the cloud platform data module through a wireless signal transmission technology, and the wireless signal transmission module is used for storing position information of a user and an emergency escape route map of a building on the signal transmission module. And performing analysis and calculation according to the positions and the number of the personnel, the fire spreading trend and the distance between the personnel and the nearest emergency exit to obtain an optimal escape route, and broadcasting the personnel according to the optimal escape route through voice.

The utility model relates to a railway tunnel disaster prevention and rescue emergency exit ventilation system, and relates to the technical field of tunnels. The tunnel ventilation system comprises at least two jet fans; the at least two jet fans are arranged in the evacuation channel, located between the protective door and the exit of the evacuation channel and used for enabling air in the evacuation channel to flow from the exit of the evacuation channel to the protective door; a partition wall is arranged between the evacuation channel and the main track tunnel, and the protective door is arranged on the partition wall. According to the ventilation system, the at least two jet fans are arranged between the protection door in the evacuation channel and the evacuation channel outlet, so that air flows from the evacuation channel outlet to the protection door, the structure of the ventilation system in the evacuation channel is simplified, the investment cost is reduced, the construction period is shortened, and manpower and material resources are reduced.

The invention discloses a novel fire safety evacuation guiding method. The method comprises the following steps: 1, displaying a real plane graph of a place on a display device by using visual and auditory information, and transmitting the real plane graph to a customer; 2, dividing the place into a plurality of small evacuation areas after calculation according to the number of the emergency exits on the real plane graph, the evacuation distance and the evacuation width; 3, displaying the dynamic evacuation route in each evacuation area to the customer, replacing the personnel model with a specific symbol, and moving from each evacuation area to a safe position along the demonstrated evacuation route; and 4, displaying the dynamic evacuation route in a voice prompt mode. The invention belongs to the technical field of fire-fighting evacuation, and particularly relates to a novel fire-fighting safety evacuation guiding method, which is based on a fire-fighting theory, automatically displays a real plane graph of a place on an emergency exit of electronic equipment in an image or video form, and carries out warning prompt to assist personnel to escape nearby.

The invention discloses a deep grotto fireproof safety and personnel evacuation facility, which is characterized in that the space of a deep grotto is divided into a plurality of fireproof control areas, different experiment halls correspond to different fireproof control areas, each experiment hall is one or more fireproof control areas, each service tunnel is an independent fireproof control area, and each service tunnel is an independent fireproof control area. Each auxiliary tunnel is divided into more than two fireproof control areas; a firewall is arranged between every two adjacent fireproof control areas; external emergency exits are formed in the connecting positions of the two ends of the auxiliary tunnel and the drainage tunnel and the connecting positions of the two ends of the auxiliary tunnel and the traffic tunnel, each fireproof control area is provided with at least two internal emergency exits, the adjacent fireproof control areas are communicated through the internal emergency exits, and each internal emergency exit comprises a fireproof door arranged on a fireproof wall. According to the scheme, on the premise of meeting the functional requirements of the underground space, the scheme of dividing the fireproof control areas and setting the emergency exits is provided, and the problem of controlling fire spreading in the underground space is solved.

We provide the system. [Solution] Earthquake detection means, A location information means for obtaining the current location of personnel, A calculation means for calculating the optimal evacuation route to at least one emergency exit, A transmission means for generating and transmitting evacuation instructions, including evacuation routes to emergency exits, A means of receiving evacuation instructions via the user's mobile device, A display means that displays the user's location and evacuation route based on location information means and evacuation instructions, A system that includes this.

An anti-panic push bar (2) for operating a door lock (14) of an escape door (11) or emergency exit door is proposed, comprising a base profile (4) which can be mounted on a door leaf (12) and an operating profile (3) to operate a door lock (14) of the escape door or emergency exit door. In order to create an anti-panic push bar (2) with a mechanically stable structure and to be able to adapt the anti-panic push bar to different design requirements in a simple and cost-effective manner, it is proposed that the basic profile (4) has an outer shell (42) and an inner shell (41) such that the inner shell (41) is arranged inside the outer shell (42) in such a way that the outer shell (42) covers the externally visible surfaces of the inner shell (41).

The invention relates to an emergency exit luminaire (1), comprising: - a planar light-guiding element (2) and – illuminants (3) arranged on a narrow side of the light-guiding element (2) which forms a light input coupling side (23) of the light-guiding element (2), with the light-guiding element (2) being designed to emit the light output by the illuminants (3) and radiated in via the light input coupling side (23) via at least one flat side (21) arranged substantially perpendicular to the light input coupling side (23), and with an escape path symbol (6) being provided on the flat side (21) of the light-guiding element provided for light output, and the escape path symbol (6) being applied to, preferably printed on, a pictogram film (4) which is fastened to the light-guiding element (2) so as to face the light-guiding element (2) with its surface containing the escape path symbol (6) and fastened in such a frame-like manner that the escape path symbol (6) is accommodated sealed between the pictogram film (4) and the light-guiding element (2).

The present application relates to a kind of high-reliability calibration mechanism with emergency exit capability of failure, and the problem of how to carry out emergency exit of failure when calibration mechanism is in light-shield state is solved, the present application includes the base being arranged on calibration fixed frame, fixed seat is arranged on the base, the rotating shaft of calibration assembly is rotatably connected with fixed seat, and the rotating shaft both ends are connected with motor and potentiometer respectively;The outer wall of the side of rotating shaft is connected with calibration plate, the side of calibration fixed frame is provided with the turnover shaft parallel with the axis of rotating shaft, and it is hinged with the base near the side of turnover shaft;Turnover shaft is provided with torsional spring, and its both ends are connected with base and calibration fixed frame respectively;Locking release assembly is arranged on the bottom of calibration fixed frame, the notch bolt in it is responsible for connecting base and calibration fixed frame, notch bolt, shape memory alloy tube and heater are sequentially sleeved in shell from inside to outside, and the notch of notch bolt is located at the joint surface of base and calibration fixed frame.

The invention discloses an emergency evacuation method based on the Internet of Things. The method comprises the steps that real-time position information of personnel entering a vehicle detection laboratory is acquired; acquiring emergency exit position information of the vehicle detection laboratory; calculating the distance between the personnel and the emergency exit according to the real-time position information of the personnel and the position information of the emergency exit; calculating a personnel density value of the emergency exit according to the distance; calculating according to the distance and the personnel density value of each emergency exit to obtain recommended emergency exit information, and sending the recommended emergency exit information to each personnel entering the vehicle detection laboratory; the emergency evacuation efficiency of the vehicle detection laboratory is improved, and then it is guaranteed that people entering the vehicle detection laboratory can be evacuated in time when an emergency occurs.

The utility model relates to a safety alarm device for a network machine room, which is applied to the field of safety devices and comprises a plurality of alarm switches installed in a network machine room area, the upper ends of the alarm switches are fixedly connected with connecting vertical bars, the upper ends of the connecting vertical bars are fixedly connected with alarm bases, and the front ends of the alarm bases are fixedly connected with flashing lamps. An outer side ring groove is formed in the outer end of the alarm base, a flexible back side plate is installed at the inner end of the outer side ring groove, an escape guide lamp belt is installed at the front end of the flexible back side plate, a limiting rear block is arranged at the rear end of the flexible back side plate, and a laser projection lamp is fixedly connected to the lower end of the limiting rear block. According to the scheme, the green lamp block in the safe area plays a guiding role, the safe area can be quickly found for escape by checking the light direction of the green lamp block, and the defect that people possibly wander in a wrong area due to the fact that people cannot find an emergency exit, and the escape opportunity is delayed is overcome.