60results about How to "Real-time monitoring of security status" patented technology

The invention discloses a method for testing a deflection/longitudinal displacement change of a bridge based on a four-quadrant position detector. The method is characterized by comprising the following steps: firstly, the four-quadrant position detector is installed in the centre of the bridge or other points to be tested at the bottom of a bridge deck; a laser source is installed on a pier and/or a certain point below the bridge deck through an electric displacement table; then, testing is carried out by matching the four-quadrant detector with the laser source, so that the light spot of laser is over against the centre of the detector; when the deflection of the bridge deck changes, the four-quadrant detector longitudinally moves together with the point to be tested; the light spot position, formed on the four-quadrant detector, of the laser moves oppositely relative to the detector; and different position coordinates of the light spot on the detector before and after the deflection of the bridge changes and light spot position variable quantity on the four-quadrant detector, namely deflection position variable quantity of the point to be tested on the bridge deck can be calculated. The method disclosed by the invention has the advantages of simple structure, good controllability and high precision and is capable of realizing real-time online test of the deflection/longitudinal displacement of the bridge.

The invention discloses a safe driving intelligent reminding method, which comprises the following steps of obtaining the current state information of a vehicle; comparing the state information with a preset rule; judging whether the state information conforms to the preset rule or not; and if so, the corresponding warning prompt is carried out according to the conforming preset rule. When the technical scheme is adopted, the traffic accident occurring probability can be effectively reduced.

The invention discloses a cloud network end cooperative defense method and system based on end-side edge computing, and relates to information security of an electric power industrial control system. The method comprises the following steps: setting an edge computing center at a terminal side, collecting industrial control system terminal equipment information and communication flow information, defining and identifying attribute characteristics of an electric power industrial control terminal by utilizing equipment fingerprints, automatically collecting the fingerprints of the electric power industrial control terminal equipment by utilizing an Nmap scanning method, establishing a training model by a decision tree algorithm, and achieving the dynamic fingerprint authentication of the terminal equipment; through setting a switch mirror image, intelligent monitoring host flow control and cloud computing center training flow baseline, industrial control terminal equipment flow anomaly detection is realized, and a cloud cooperative defense technology based on edge computing is realized. Through flow data acquisition, information entropy quantification flow characteristic attribute preprocessing and improved semi-supervised clustering K-means algorithm training, abnormal flow detection of the electric power industrial control intranet is realized, and cloud network real-time defense based on abnormal flow detection is realized.

The invention discloses a smart home security system based on a cloud service platform, which comprises a robot body, a microprocessor, a human body induction module, a face recognition device, a camera shooting device, a CO sensor, a smoke sensor, an infrared sensor, an alarm, a GPS module, a wireless communication module, a wireless receiving module, a controller and a steering engine, wherein the steering engine is connected with a room power supply switch; and the wireless communication module is further in wireless communication connection with a Web terminal and a fire control center through the cloud service platform. The smart home security system can monitor security conditions indoor in real time and send detection signals to the cloud service platform, so that a user can know security conditions of the room at any time and any place. The smart home security system not only can automatically alarm, but also can be automatically connected to the fire control center when fire fighting is required in the case of an abnormal security condition. Meanwhile, the smart home security system can also enable the user to control remotely so as to carry out self-service fire fighting.In addition, the smart home security system can automatically switch off the power supply in the room when a fire-fighting condition in the room is abnormal.

The invention discloses a ZigBee technology-based railway box car anti-theft processing system, which comprises a control terminal arranged on the head and a plurality of annular locking devices which are arranged on a door catch of each box car. The control terminal communicates with each annular locking device through the ZigBee network and monitors the state information of the door catch of each box car. The invention also discloses a ZigBee technology-based railway box car anti-theft processing method. On the premise of not damaging the door catch, the safety of the door lock of the box car is improved and the ZigBee technology-based railway box car anti-theft processing system can rapidly sense and alarm when the car lock is forcibly unlocked.

The invention discloses a safe state monitoring method of a motor vehicle based on wheel load type intelligent sensing. According to the method, wheel intelligent sensing modules are fast mounted on wheel hubs of the motor vehicle through a circular triangular movable wheel hub grabbing disc, a vehicle body intelligent sensing unit is mounted on the vehicle body and a suspension intelligent sensing unit is mounted on a suspension, so that real-time online monitoring of motion attitude, dynamic load and brake parameters of the motor vehicle, which are directly related to the operation of the motor vehicle, can be performed. The motion attitude, the dynamic load and the brake parameters of the motor vehicle can be obtained by performing signal conditioning, digitization and calculation through a monitoring algorithm of the motion attitude, the dynamic load and brake of the motor vehicle on all sensed signals. The safe state parameters of the motor vehicle can really, dynamically, comprehensively and scientifically monitor and actively evaluate the driving safety condition of the motor vehicle by combining and analyzing multiple sensed data. According to the method, the technical support capability of safe operation of the motor vehicle can be improved and the occurrence of traffic accidents can be reduced.

An Internet of Things environment situation awareness method based on machine learning comprises two parts of machine learning and situation awareness, the safety problem existing in an Internet of Things distributed network environment is more complex, and a traditional situation awareness method mainly aims at a centralized network and cannot be effectively applied to the Internet of Things environment. Situational safety elements existing in a distributed environment are reasonably extracted; and modeling the extracted situation elements by using a machine learning method, constructing a network safety situation evaluation model of the Internet of Things environment, and analyzing and predicting the safety situation of the environment, thereby assisting safety personnel or users to respond and troubleshoot safety threats in the environment in time.

The invention discloses a riding vehicle attitude recognition and alarm method. The method includes steps: S1, acquiring components, in three axial directions, of an attitude angle detected by a gyroscope, and adopting an attitude fusion algorithm to respectively correct attitude angles, including a pitch angle agx, a yaw angle agy and a roll angle agz, fused in the three axial directions by the gyroscope and angular speeds gyrox, gyroy and gyroz around the three axial directions; S2, judging whether the angular speeds exceed a set slam collision angular speed threshold or not; if yes, turningto the step S3, and if not, turning to the step S4; S3, starting base station positioning and sending alarm information, adopting the attitude fusion algorithm to correct the attitude angles of the gyroscope, and judging whether the attitude angles exceed a set erection threshold or not; if not, turning to the step S3, and if yes, returning to the step S1; S4, judging whether the attitude anglesexceed a set inclination attitude angle threshold or not; if yeas, turning to the step S3, and if not, returning to the step S1.

The invention discloses a fast protection arrangement safety monitoring system for a power construction area. The system is characterized by comprising a plurality of support rods, an interception rope, an active infrared intrusion detection device, intelligent warning boards, a remote image monitoring device, a portable general packet radio service (GPRS) wireless communication device, a portable solar power supply device and monitoring computers, wherein a pair of infrared transceivers is arranged between any pair of adjacent support rods; each intelligent warning board comprises a passive infrared detector, an intelligent voice alarming module and a global positioning system (GPS) positioning module, which are arranged on a warning board body; the intelligent warning boards are suspended on the interception rope; the remote image monitoring device, the portable GPRS wireless communication device and the portable solar power supply device are arranged in the power construction area; and the monitoring computers are arranged in a local side monitoring center, and comprise a geographic information system (GIS) database server and a GPRS wireless communication receiving device. The system has the characteristics of convenience for movement and the like, and is easy to mount; and by the system, the functions of fast protection arrangement and high-efficiency early warning in the power construction area can be realized, and the safe conditions of a construction process can be monitored in real time by the local side monitoring center (power dispatching center).

The invention relates to an intelligent well lid monitoring and management system. The system comprises an intelligent well lid terminal, an information transmission module and an intelligent well lidmonitoring platform, the information transmission module is used for networking the intelligent well lid terminal and the intelligent well lid monitoring platform, so that the intelligent well lid terminal and the intelligent well lid monitoring platform can communicate with each other; and the intelligent well lid monitoring platform is used for monitoring the state of the intelligent well lid terminal, the inner side area of the intelligent well lid terminal and the external environment of the intelligent well lid terminal in real time, giving an alarm for abnormal conditions, reminding a preset event and classifying information such as the property right of the intelligent well lid terminal. According to the system, various information of the urban well lid and the environment near thewell mouth can be monitored in real time, workers can be helped to monitor the safety state, the locking state and the personnel access condition of the well lid in real time remotely, and the workers can be helped to complete the inspection task conveniently and efficiently.

The invention discloses a monitoring system for observing the working state of a solar photovoltaic power station. The monitoring system comprises a monitoring system, a data acquisition system and analarm system, various electrical parameters of the output end of the solar photovoltaic power station are obtained through the electric power meter, the working state of the solar photovoltaic powerstation is judged according to an oscillogram, and faults are found in time; an environment detection module is used for detecting the surface temperature of the solar photovoltaic panel and the environment state of the solar photovoltaic power station, so that protection measures can be taken in time when the surface temperature of the solar photovoltaic panel is too high or the solar photovoltaic power station is in a severe environment, and the solar photovoltaic power station is well protected; through a camera, an infrared sensor and a pressure sensor in the alarm system, the all-day safety state of the solar photovoltaic power station is monitored in real time, the situation that foreign objects invade or a photovoltaic panel is damaged is avoided, and the working state of the solarphotovoltaic power station is well and comprehensively monitored.

The present invention provides a control system of integration of an SCADA system and a safety system. The control system comprises a monitoring server, a PLC controller, a scene auto control instrument and a safety subsystem, wherein the monitoring server is connected with the PLC controller through a control network, and the PLC controller is connected with the scene auto control instrument and the safety subsystem; and the control system further comprises a local safety early warning subsystem, a cloud server and a Linux operation system. The Control system of integration of the SCADA system and the safety system can improve the reliability of the safety alarm: reliable emission of one alarm signal depends on the normal operation of several links, and none is dispensable, for example, if an alarm sound signal device or the power supply of the alarm sound signal device has faults, even the alarm signals are emitted, the sound signal alarm cannot be emitted.

The invention discloses a coal mine emergency rescue command information management system and a coal mine emergency rescue command information management method, which relate to the technical field of coal mine rescue, and are used for obtaining the specific conditions of accident directions and accident points according to a simulation map model when accidents occur in a coal mine and informinga medical center and a rescue center in real time to ensure the life and property safety of trapped personnel. When the condition does not occur, the condition of each index in the mine is monitored in real time, each numerical value is predicted in advance, and when an abnormal numerical value is received, the abnormal numerical value is processed in advance, so that the accident is prevented from becoming large. Novel solar energy is used for providing electric energy, and waste of non-renewable energy sources is avoided. According to the coal mine emergency rescue command information management system and method, solar energy is used for providing energy, the safety condition in a coal mine can be monitored in real time, and a safe shelter is provided.

The invention provides an emergency broadcast information security monitoring system. The emergency broadcast information security monitoring system comprises an emergency broadcast system resource, an emergency broadcast security module, a database, a monitoring application server and a first emergency broadcast security module, Wherein the emergency broadcast system resource, the monitoring application server and the database are connected through a network; the monitoring application server is used for monitoring the emergency broadcast system resources and the information safety state of the emergency broadcast safety module in real time, giving an alarm if the emergency broadcast system resources and the information safety state of the emergency broadcast safety module are abnormal, storing alarm information into a database, marking the position of the faulted emergency broadcast system resources or emergency broadcast safety module on an electronic map, and inquiring the abnormaldetails of the emergency broadcast information safety monitoring. According to the emergency broadcast information safety monitoring system, the information safety of the emergency broadcast is monitored, and normal operation of the emergency broadcast is maintained.

The invention relates to a coach chassis harness protection and alarm device, which comprises a chassis harness and a communication detection part, wherein an electric conduction metal film layer is arranged in a bellows of the chassis harness; the communication detection part comprises a harness protection and alarm system ECU (Electronic Control Unit), a display screen and an alarm signal collection node; the alarm signal collection node is connected with the electric conduction metal film layer; the alarm signal collection node of the alarm device is used for monitoring a potential difference between the electric conduction metal film layer and a chassis frame, and sending monitoring data to the harness protection and alarm system ECU; and when the potential difference is less than an experience number, the harness protection and alarm system ECU prompts a driver to pay attention to fault messages and fault points. The coach chassis harness protection and alarm device can be used for monitoring the safe state of the coach chassis harness in real time, accurately positioning harness abrasion alarm and fault points, and troubleshooting harness installation vulnerable points in a new product sample car stage, so that the outbreak of harness installation hidden danger on a batch product car is avoided, and the hazards of car harness ignition and after-sale troubleshooting are avoided.

The invention relates to the technical field of bathing beach safety rescue, and aims to provide a bathing beach safety supervision system which is efficient and stable and has multiple functions of safety supervision, lifesaving, alarming and the like. The bathing beach safety supervision system comprises a first control tower (1), a second control tower (2) and at least one unmanned boat (3), the first control tower (1) and the second control tower (2) are arranged on the coast side, the unmanned boat (3) is berthed on the sea surface, the first control tower (1), the second control tower (2) and the unmanned boat (3) are connected with video monitoring equipment (7) through a first rope (4), a second rope (5) and a third rope (6) which can be folded and unfolded respectively, and the video monitoring equipment (7) is suspended on the sea surface.

The invention provides a water pressure monitoring device. The water pressure monitoring device comprises a fire hydrant, a detector mounted on the fire hydrant and a monitoring center connected with the detector. The detector is connected with the monitoring center through a wireless network. The monitoring center comprises a data processor and a display. The data processor is connected with the display, a keyboard, a printer, an alarm unit, a data storage unit and a data transceiver. The detector comprises a micro-control chip circuit which is connected with a water pressure sensor, a flow sensor, a tilt angle sensor, a tamper-resistant sensor, an identity recognition module, a buzzer, a positioning module, the data transceiver, a power supply and a data interface. The power supply comprises a power supply control circuit. The power supply control circuit is connected with a photovoltaic panel, a storage battery and an external power supply. The water pressure monitoring device can monitor the water pressure, flow and safe states of the fire hydrant in real time and monitor the fire hydrant through the wireless communication technology to achieve the purpose of effective management.

The invention provides a holographic head-mounted display system and method based on AR, and a holographic headgear. The display system comprises a processor module, a data acquisition module, a holographic calculation module and an augmented reality holographic display module, the processor module is connected with the data acquisition module and the holographic calculation module, and the holographic calculation module is connected with the augmented reality holographic display module; the data acquisition module is used for acquiring monitoring data of the environment where the holographic headset is located; the processor module is used for performing graphical processing on the monitoring data to generate an environment monitoring graph; the holographic calculation module is used for generating a plurality of holograms according to the environment monitoring graph; and the augmented reality holographic display module is used for superposing the plurality of holograms and the real environment information to generate an augmented reality hologram and displaying the augmented reality hologram. Therefore, the safety state of the mine worker can be monitored in real time, and the monitoring data can be displayed in an augmented reality manner, so that the safety of the worker is guaranteed.

The invention discloses a power supply system and method of an electric vehicle power battery monitoring device. According to the system, a solar cell panel generates electric energy under the sun illumination when the vehicle is placed outdoors and is in a flameout parking state and there is an illumination condition, the electric energy is supplied to a starting storage battery for charging through a solar controller, and meanwhile, the electric energy is supplied to a battery management system; and a sleep mode of the battery management system is converted into a working mode, and the power battery is monitored in real time by collecting and monitoring a voltage signal and a temperature signal of the power battery.