279results about "Signalling system details" patented technology

The invention relates to the technical field of fire-fighting early warning, and discloses a fire-fighting early warning system based on image data relevance. The system comprises a multi-source image acquisition module used for acquiring fire-fighting scene multi-source heterogeneous image data; the correlation feature analysis module is used for performing cross-data-source correlation analysis on the data to generate feature vectors; the spatio-temporal dynamic modeling module is used for constructing a multi-dimensional feature fusion space to generate an associated spatio-temporal feature tensor; the resource optimization scheduling library is used for constructing a double-layer collaborative library; and the intelligent early warning control module generates a real-time fire early warning instruction and an emergency response decision through a hierarchical reinforcement learning framework. The system also has the functions of building structure deformation detection, smoke diffusion prediction and the like. Through cooperation of multiple modules, accurate fire-fighting early warning and efficient emergency response are realized, the fire prevention and control capability is improved, and life and property safety is effectively guaranteed.

The invention discloses a fire-fighting early warning system and method based on artificial intelligence, and relates to the technical field of intelligent fire-fighting early warning, and the system comprises an environment sensing module which comprises a multispectral sensor, a temperature sensor, a smoke sensor and a high-definition camera, and is used for collecting fire characteristic spectral data and transmitting the data to a data analysis module; the data analysis module comprises an edge calculation unit and a data fusion unit, and is used for performing feature extraction and anomaly detection on the fire feature spectrum data through a deep learning model to generate a fire risk assessment result; the early warning decision module comprises a risk assessment unit, an early warning grading unit and a communication unit, and is used for determining an early warning grade according to a fire risk assessment result and triggering equipment of the execution feedback module; and the execution feedback module comprises a spraying system, an emergency lighting system and an alarm and is used for executing fire emergency measures according to the instruction of the early warning decision module. According to the invention, comprehensive improvement of fire prevention and control efficiency is realized through cooperative work of multiple modules.

A method and system of providing guidance and information to an end-user during an emergency situation. A network of beacon devices is arranged throughout different rooms of a physical structure, such as a house. When an emergency situation such as a fire is detected, for example via data collected from one or more smart sensors installed in the house, a navigation server can activate the beacon device network. Each beacon device will begin to provide navigation cues such as audio content and / or light display that guide the end-user to the nearest designated exit.

The invention belongs to the technical field of electric overhead working trucks, and provides a narrow-body self-walking working platform with a hybrid power system, which comprises a walking platform, a working device and a control system. The walking platform adopts a narrow-body four-wheel-drive chassis and is provided with a hybrid power system of a fuel engine and an electric pump, and the control system integrates an environment sensing unit, a stability calculation unit, a track prediction unit, an early warning unit and a control decision unit. The environment sensing unit constructs a high-precision three-dimensional environment map; the stability calculation unit calculates the overall gravity center position and the dynamic stability boundary of the platform in real time; the track prediction unit establishes a dynamic hydraulic system response model; and the early warning unit adopts an artificial potential field method to calculate a safety avoidance path. And the control decision unit automatically adjusts the control instruction according to the risk type and degree. According to the invention, the organic combination of environment perception, dynamic stable control, prediction trajectory planning and electrified body safety protection is realized, and the operation safety and efficiency of the aerial work platform are obviously improved.

Utilizing illuminated pathways to guide a user with cognitive impairment includes storing a predefined sequence of daily activities for the user; detecting a current location of the user in an indoor environment in real-time using at least one environmental sensor; activating selected light-emitting elements to create a first illuminated pathway between the current location and a first target location based on the predefined sequence of daily activities corresponding to the user; presenting at least one of task-specific audio and visual instructional content on a display device at the first target location for a current activity in the sequence; monitoring completion of the current activity through the at least one environmental sensor; deactivating the first illuminated pathway upon detecting arrival at the first target location; and advancing to a next activity in the sequence upon verifying completion of the current activity by illuminating a second pathway to a second target location.

The invention provides a smart city crowd dispersion system and method based on an Internet of Things large model, and a medium, the system comprises an emergency supervision management platform, and the emergency supervision management platform is configured to obtain area monitoring data through a monitoring device deployed in a monitoring area based on an emergency supervision perception control platform; determining a regional congestion risk based on the regional monitoring data; responding to the condition that the regional congestion risk meets the dispersion condition: determining emergency dispersion parameters based on the regional congestion risk, the emergency dispersion parameters including a traffic control parameter and a traffic guide parameter; based on the emergency dredging parameters, an emergency control signal is transmitted to an emergency dredging device deployed in a monitoring area through an emergency supervision sensing network platform, so that the opening interval of a channel gate machine is controlled based on the passing control parameters, and the display content of an electronic indication board is controlled based on the passing guide parameters; the display content comprises at least one of a display color, a dredging direction and a dredging route.

The invention discloses a welding seam change detection device and method for a steel structure in a building, and relates to the technical field of building steel structure welding seam detection.The welding seam change detection device comprises a protective shell, a sensing module, a data processing module and an alarm module are arranged in the protective shell, and a mounting unit is further arranged at the bottom of the protective shell; the method further comprises the steps of S1 pretreatment of a weld joint detection area, S2 device positioning and installation, S3 system initialization and parameter configuration, S4 weld joint deformation signal collection, S5 signal processing and transmission, S6 anomaly analysis and alarm triggering and S7 continuous monitoring. According to the invention, the array-type magnetoelastic sensing unit is combined with the AD conversion chip unit and the signal amplification unit, so that high-resolution acquisition of microvolt-level signals is realized, and tiny deformation in transverse, longitudinal and shearing directions can be captured; meanwhile, through signal amplification in the step S3, the step S4 and the step S5, the early recognition capability of the tiny defects of the welding seam is remarkably improved, the sensitivity reaches 5 mu epsilon, and 0.1 mm-level microcracks can be accurately recognized.

A low-profile addressable egress lighting luminaire configured to illuminate a plurality of contiguous paths of egress that merge below the luminaire by using a plurality of horizontally positioned laterally rotational light sources, each emitting a directional elongated linear light beam onto a section of an egress path on the surface below.

The invention discloses an Internet of Things networking scheduling method for railway tunnel disaster prevention illumination and evacuation indication, and relates to the technical field of railway tunnel disaster prevention. Comprising the following steps: S1, tunnel end monitoring equipment actively initiates environmental channel detection through a power line carrier communication network, scans impedance characteristics, noise levels and attenuation characteristics of different line sections in a tunnel, establishes a dynamic channel fingerprint database, and records an optimal communication frequency point and a channel quality threshold; and S2, performing real-time linkage between the local center monitoring main station and a fire alarm system, and after receiving a fire alarm signal, immediately generating a dynamic evacuation path through a disaster evolution prediction model according to a fire alarm position, a smoke diffusion state and a real-time channel state. The power line carrier communication module is utilized to actively perform channel detection and electrical parameter acquisition, a state channel fingerprint database is established, and fault diagnosis and state grading are performed based on the state channel fingerprint database, so that the overall reliability and maintainability of the scheme are improved, and the availability of equipment in a disaster is ensured.

The present invention relates to a wearable safety device 99 comprising: a device body 1 adapted to be secured to a user; a local alert system comprising at least one light source 65 and an audible alarm 35; an electronic control unit 51 comprising an alarm trigger and being configured to control the local alert system, wherein the electronic control unit is configured to continuously or repeatedly activate the light source to provide a visual alert, and wherein the electronic control unit is configured, upon actuation of the alarm trigger, to activate the audible alarm. The present invention also relates to a system comprising: a wearable safety device as aforementioned; and a software application for a user device, preferably a smartphone, wherein the software application is configured to broadcast an alert signal: based on a comparison between a planned route input by a user to the software application and data relating to the location of the user device; and / or upon actuation of the alarm trigger.

The invention discloses an intelligent medical management system based on artificial intelligence, and relates to the field of data processing, and the system comprises a sensing module which is used for sensing the position information of medical personnel in a hospital and an emergency transportation sickbed in real time; the labeling module is used for labeling available operating rooms on the in-hospital path three-dimensional topology in real time; by sensing the positions of medical workers and emergency transport sickbeds in real time, marking available operating rooms on a three-dimensional topology, intelligently deciding medical worker configuration and sickbed moving paths, visualizing the paths and directions through a public area display, and playing early warning audio to prompt evacuation, the first-aid efficiency is effectively improved, precious time is won for patients, and the medical workers and the emergency transport sickbeds are protected. And the first-aid channel is ensured to be smooth, so that the in-hospital multi-source resource scheduling arrangement of the medical first-aid scene is more scientific, reasonable and orderly.

A system includes a processor that collects and analyzes meteorological data and sensor data in real time, predicts future disaster risks based on past disaster data, detects abnormal patterns and identifies precursors of disasters, automatically issues warnings based on identified precursors, calculates optimal evacuation routes and provides them to users in real time, and supports information exchange between affected areas and relief teams.

The invention relates to the field of fire safety engineering, and discloses a fire-fighting deployment method and device under a PLC Internet of Things framework and an Internet of Things platform, and the method comprises the steps: firstly obtaining fire-fighting equipment in a target area, analyzing a cooperative linkage mode, and formulating an early warning response rule; analyzing a data transmission channel according to a rule, querying a performance threshold value, detecting channel performance data, calculating a resource conflict value according to the performance threshold value, and constructing a fire-fighting resource deployment process; secondly, partitioning a deployment process task, and determining an execution sequence and an execution time window; and finally, monitoring a window activity state, constructing a deployment response path, identifying a path core node, and making a fire-fighting optimization deployment scheme. And the response efficiency of fire early warning is improved.

A method (100) for estimating CO concentration in the interior of a vehicle (10) is provided. The method (100) comprises providing (110) sensor data representing a current CO concentration at at least one measurement location in and / or on the interior of the vehicle, evaluating (120) the sensor data to determine the current CO concentration at the at least one measurement location, determining (130) a correlation between the current CO concentration at the at least one measurement location and a current CO concentration at at least one target location in the interior of the vehicle, and estimating (140) the current CO concentration at the at least one target location at least partially based on the current CO concentration at the at least one measurement location and on the correlation between the current CO concentration at the at least one measurement location and the current CO concentration at the at least one target location.Furthermore, a computing unit (4), a system (1) and a vehicle (10) are provided.

A system for responding to an emergency incident in a facility is described. The system includes a display device with a virtual map of the facility and a plurality of devices configured to be respectively worn by a plurality of users in the facility. Each device of the plurality of devices is configured to be activated upon detection of the emergency incident in the facility. When activated, each device of the plurality of devices is configured to provide a non-audible alert to other devices of the plurality of devices, provide an emergency indication along with its location data for display on the virtual map, and place a one-way audio call through a cellular network to at least one recipient.

The invention relates to the technical field of intelligent medical treatment, and discloses a control method of an intelligent medicine box and the intelligent medicine box, and the method comprises the following steps: the intelligent medicine box reads configuration data in a configurator, and carries out medication plan configuration on the intelligent medicine box based on the configuration data; when the medicine taking reminding time corresponding to the medicine taking plan arrives, displaying and prompting the medicine taking information through a display screen of the intelligent medicine box, performing sound prompting on the medicine taking information through sound output equipment of the intelligent medicine box, and performing light prompting through a medicine storage bin matched with the medicine taking information in the intelligent medicine box; medicine taking information corresponding to the intelligent medicine box is obtained, and a medicine taking record is determined based on the medicine taking information; and generating a medicine taking report according to the medicine taking plan and the medicine taking record.

A method of determining a probability of a fire occurring in one or more rooms of a building, comprising: determining a geometry of a room in response to a floor plan; determining whether one or more items are located within the room and a combustibility of each of the one or more items; determining whether one or more hazards are located within the room; and determining a probability of a fire occurring in the room in response to at least one or more items being located within the room, the combustibility of each of the one or more items, and the one or more hazards being located within the room.

The invention discloses an urban fire early warning reaction system based on the Internet of Things and edge computing, and relates to the technical field of urban fire rescue. The first edge computing node is responsible for extracting fire data and judging whether fire rescue power is sufficient or not, the fire range, position and level can be rapidly recognized, and therefore an accurate basis is provided for configuration of the rescue power; the edge computing node II can plan a fire rescue path and screen an optimal path according to the traffic data to ensure that the fire rescue force can reach the fire scene at the fastest speed; most importantly, the path with the highest smoothness coefficient can be identified by analyzing the road image and the predicted passing time, and weighted evaluation is carried out by combining the predicted passing time of each path section, so that the fire rescue path with the highest passing efficiency is selected, the real-time traffic condition of the road is considered, and the traffic efficiency of the fire rescue path is improved. The arrival time of the fire rescue force is optimized, and the rescue vehicle can arrive at the fire scene at the fastest speed.

The invention relates to an emergency lighting element (1) comprising a planar, electrically operated radiation source (2) for the planar emission of electromagnetic radiation from its front surface (3). A long-lasting phosphor layer (10) is provided over the entire surface of the front surface (3) of the radiation source (2). The radiation source (2) is designed to emit electromagnetic radiation in the visible range, and the long-lasting phosphor layer (10) is designed to partially transmit the radiation, wherein the emission of the radiation source (2) and the transmission of the long-lasting phosphor layer (10) are coordinated such that the emission of electromagnetic radiation in the visible range by the emergency lighting element (1) is at least 50% higher when the radiation source (2) is switched on than when the radiation source (2) is switched off.

A clock device is in communication with a remote computing device that is configured to adjust the time of a countdown and define an adjusted time value. The remote device communicates the adjusted time to the clock device, which automatically displays the adjusted time on a screen. The adjusted time is further communicated to a cloud server via API. The adjusted time is accessible by authorized third parties for display or broadcast. Accordingly, a user may adjust and track a countdown and may define an official time that is automatically displayed to a variety of end-users in real-time. The clock device may be positioned adjacent a competition area and may include a rigid metal frame and a flexible LED screen extending around the perimeter of the frame. The clock device may include hardware and software for processing and outputting the adjusted time to the cloud server.

The invention relates to the field of waste liquid collection, in particular to waste liquid collection equipment for disassembly of a scraped car. Comprising a frame assembly, a suction and pre-filtration assembly connected to the frame assembly, a fine filtration and separation assembly connected to the suction and pre-filtration assembly, a waste liquid storage assembly connected to the fine filtration and separation assembly, and a safety and monitoring assembly connected to the frame assembly. By adopting the frame assembly, the whole structure is stable and durable, rapid deployment and adjustment on a disassembly site are facilitated, continuous and smooth flowing of waste liquid is guaranteed through scientific connection of a plurality of parts such as the suction and pre-filtration assembly, the fine filtration and separation assembly, the waste liquid storage assembly and the safety and monitoring assembly, and the risk of midway blockage or leakage is avoided; and an emergency stop knob enables an operator to quickly cut off the equipment under emergency conditions.

An emergency management system for a school includes: one or more computers; and a wearable device including a button, wherein engagement of the button by a user causes the emergency management system to initiate an emergency response to an incident at the school, including by sending, from the wearable device and to the one or more computers in response to the engagement of the button, a signal indicating a request to initiate the emergency response to the incident at the school, the one or more computers being configured to perform operations comprising: receiving, from the wearable device and by the one or more computers, the signal indicating the request to initiate the emergency response to the incident at the school; and in response to receiving the signal from the wearable device, activating one or more emergency response protocols at the school.

The invention discloses a mining audible and visual alarm based on a mining area environment, and belongs to the technical field of alarm devices. The alarm comprises a box body, and a monitoring sensor and an alarm assembly are arranged in the box body; the alarm assembly performs corresponding actions by monitoring a vibration signal sent by the sensor, and the alarm assembly comprises a sound production assembly, a transmission mechanism and a hydraulic adjusting system; the sound production assembly comprises a plurality of iron pipes, and sound production holes are formed in the iron pipes; the plurality of iron pipes are annularly distributed in sequence according to the diameter size; the transmission mechanism comprises a knocking rod and can enable the knocking rod to knock the iron pipe; the hydraulic adjusting system comprises an oil cylinder and a fixing ring, and a round pipe connected with the fixing ring slides in the iron pipe, so that the round pipe is far away from or close to the sound production hole in the iron pipe; the mining audible and visual alarm solves the problem that a traditional mining audible and visual alarm cannot carry out distinguished early warning according to audible and visual signals with different intensities, and misjudgment is caused.

The disclosed technology uses signaling devices and sensors that are distributed throughout a building in order to provide egress guidance to people located in a building when an emergency occurs. Such signaling devices can be located at or near doors, windows, and / or other junction points between different parts of a building (e.g., passageways between different rooms). Signaling devices can provide audio and / or visual information to people to guide them along a safe pathway that is selected to provide safe egress for the person, including anticipating and protecting the person from changing emergency conditions within the building.

A management server (30) includes an acquisition unit configured to receive, from a control server that controls a robot that travels autonomously outdoors and indoors, a current position of the robot or a travel route for the robot; a disaster occurrence sensing unit (334) configured to, based on external information containing disaster information, sense occurrence of a disaster and a disaster occurrence area in which the disaster occurs; a subject robot specifying unit (335) configured to, based on the current position of the robot or the travel route for the robot, specify the robot that is positioned in the disaster occurrence area or that is predicted to be positioned in the disaster occurrence area; an evacuation route determination unit (336) configured to, based on the external information and map information, determine an evacuation route to an evacuation site that is set previously with respect to each the robot positioned in the disaster occurrence area or each the robot predicated to be positioned in the disaster occurrence area; and an evacuation route recommending unit (337) configured to recommend the evacuation route to a terminal device.

The invention discloses a tunnel photoelectric sign system and an intelligent photoelectric guiding method, and relates to the field of tunnel photoelectric signs, and the method comprises the steps: inputting the data of a multi-modal sensor into a pre-trained multi-modal fusion accident recognition model, recognizing the type of an accident, and positioning the position of the accident, and according to the identified accident type, the accident occurrence position and the current tunnel parameters, utilizing a physical model and a diffusion model pre-trained for a corresponding target tunnel to predict an accident sweep range, and based on the predicted accident sweep range, planning a safe evacuation path. And mapping the safe evacuation path to a preset photoelectric sign network in the tunnel, and generating a control instruction for each sign in the photoelectric sign network. The tunnel safety management level can be significantly improved, rapid, accurate and efficient emergency evacuation can be realized when an accident occurs, the life and property safety of personnel can be effectively guaranteed, and the safety of the tunnel is improved. And meanwhile, the energy-saving effect and the system reliability are excellent.

The present invention discloses an image acquisition and processing device and a virtual-reality combined training system, which relate to the field of image acquisition and processing technology. This image acquisition and processing device includes a main body and a mounting seat, and the main body includes a shell, and also includes: an image acquisition module, which is arranged in the shell. This image acquisition and processing device and virtual-reality combined training system can seal and protect the human-shaped target to avoid the influence of impurities such as weeds and water stains. At the same time, it can clean the human-shaped target and exhaust the dust, which not only makes the clothes more tidy, but also makes the cleaning effect of the human-shaped target clothes better, ensuring its use effect and life; after receiving the electric signal of being hit, the sound and light alarm and the hollow cover can be moved to the highest position, and at the same time, the high-pressure air ejected from the blowing hole blows away the weeds and the like to avoid obstruction, and the high-pressure air blown out from the blowing pipe quickly blows the colored powder in the storage tank upward, so that the reminder effect is better, thereby improving the training effect.

The present invention belongs to the field of cruise ship accident evacuation guidance and discloses a cruise ship passenger dynamic evacuation guidance system. The system comprises three modules: monitoring and alarming, route planning, and dynamic identification. When a disaster occurs on a cruise ship or an abnormal ship posture triggers an alarm, the monitoring and alarming module collects relevant data and transmits it in real time. The route planning module reconstructs the route network and assigns path weights based on this data, using the Dijkstra algorithm with an improved search strategy to search for the global optimal route. The dynamic identification module maps route data to the directions indicated by the signs. The dynamic identification layout is optimized based on passenger perception during system deployment. During the evacuation process, the monitoring and alarming module monitors the crowd gathering situation on each road section in real time, and the relevant data is fed back to the route planning module for a new round of search. The present invention can plan the optimal route in real time based on the cruise ship accident scenario and dynamically adjust the directions indicated by the evacuation signs, thereby achieving dynamic guidance for crowd evacuation.

An evacuation guidance system includes: an evacuation guidance management system that acquires information of a disaster which has occurred in a marine vessel, acquires passenger position information in the marine vessel, formulates an evacuation route, and specifies a passenger to be subjected to evacuation guidance and a position of the passenger; and a mobile body that performs control to move an own device to the position of the specified passenger on the basis of the specified passenger and the position of the passenger and to move the own device along the evacuation route while outputting guidance information to the passenger.

The invention discloses a mining vehicle heat balance testing device and method, and a mining vehicle, and the device comprises a sensor assembly which comprises a rotating speed sensor, a temperature sensor, and an environment temperature sensor; the plurality of rotating speed sensors are respectively and correspondingly mounted at wheel hubs of the mine car to be detected; the plurality of temperature sensors are correspondingly mounted on the surfaces of the wheel edges of the to-be-detected mine car; the environment temperature sensor is installed at a ventilation position of a test area of the test bench. The control assembly comprises a main controller and a data storage module, the main controller is in communication connection with the sensor assembly, the execution assembly, the early warning assembly and the data storage module, and the data storage module is used for storing collected data and control logic parameters; the execution assembly comprises a fan, and the fan is electrically connected with the main controller; and the early warning assembly comprises an alarm module, and the alarm module is electrically connected with the main controller. The dynamic cooling effect is achieved by adjusting the wind speed of the draught fan in real time, so that the tested vehicle is in the heat balance state.