193results about How to "Timely discovery of potential safety hazards" patented technology

The invention relates to a cable multimode safe operation evaluation method based on a fuzzy analytic hierarchy process (FAHP). The evaluation method comprises the following steps of: establishing a power cable safety evaluation index system, establishing a power cable safety evaluation index comment set, and establishing a judgment matrix; judging matrix consistency check, and if the matrix does not meet consistency, returning the previous step; if the matrix meets the consistency, entering the next step; calculating a weight coefficient; and carrying out fuzzy comprehensive judgment, and determining an operating mode of the cable by maximum degree of membership. Multimode parameters are utilized to do safety evaluation on the operating mode of a power cable, and can relatively comprehensive evaluate system operation, and the evaluation method is simple and safe and reliable; and a cable multimode safe operation evaluation model is established based on the fuzzy analytic hierarchy process (FAHP) and can correctly do safety evaluation on a cable system, thereby being beneficial to finding out potential safety hazard existing in the power cable for staff in time, thus having a certain practical significance and a good development prospect.

The invention belongs to the field of foundation pit engineering, and provides a super deep underground diaphragm wall deformation automatic real-time monitoring device and an operating method thereof. The monitoring device comprises a fiber grating reinforced stress sensor, a fiber grating concrete strain sensor, a denoising analyzing device and an automatic deformation recognizing device. By the aid of the monitoring device and the operating method thereof, horizontal deformation of an underground diaphragm wall can be tracked and monitored in real time, deforming data can be automatically collected and analyzed, real-time capacity, continuity, effectiveness and reliability of monitoring can be guaranteed, processing efficiency of monitoring data of horizontal deformation of the underground diaphragm wall can be improved, and information sharing level of monitoring data of horizontal deformation of the underground diaphragm wall can be raised, the deformation of foundation pits is guaranteed in a controllable range, constructing risks of deep foundation pits can be reduced, and references can be provided for similar foundation pit engineering.

The invention discloses an environment meteorological monitoring system for an electric power iron tower based on Internet of things. The system comprises a data acquisition module, a monitoring main unit, a power module, a data transmission module, a client and a server, and is characterized in that the data acquisition module comprises a displacement sensor, an inclination sensor, a torque sensor, an icing detector, a data acquisition instrument, a small observatory and a camera; the small observatory comprises a temperature and humidity measuring module, a wind speed measuring module and a wind direction measuring module; a third generation (3G) and second generation (2G) transmission combined mode is adopted by the data transmission module; and the power module comprises a solar power generation module, a wind power generation module and a storage battery. Based on the idea of an Internet of things technology, the physical state of the iron tower is acquired by the sensors, maintenance personnel timely find the potential safety hazard of the iron tower conveniently, and the fine, preventive and intelligent maintenance of the iron tower is realized; and meanwhile, wind-solar complementary power generation is adopted, so that the stability of the system is ensured.

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 vehicle performance detecting and evaluating method and device, equipment and a storage medium. The method comprises the steps of acquiring vehicle behavior data and scene detection data of a target vehicle in each preset scene; acquiring behavior standard data and scene standard data corresponding to each preset scene; comparing with the vehicle behavior data according to the behavior standard data, and comparing the scene detection data according to the scene standard data; and on the basis of a comparison result, generating a vehicle evaluating result of the targetvehicle. According to the technical scheme provided by the embodiment of the invention, through comprehensively testing the vehicle in the preset scenes, the completeness of vehicle performance testis improved, the test process fits to practical application, the potential safety hazard of the vehicle can be eliminated, and the safety of the vehicle is improved.

The invention relates to a multi-parameter modular oil and gas pipeline safety monitoring system and method. The system comprises a data analysis early warning device and at least one data collectionand storage device. The data analysis early warning device is in communication connection with the data collection and storage devices. Each data collection and storage device is arranged at the preset position of an oil and gas pipeline and used for collecting and storing safety data formed through multiple parameters at the preset positions of the oil and gas pipeline at the preset collection frequency, and transmitting the safety data to the data analysis early warning device. The data analysis early warning device is used for analyzing the safety data to obtain analysis results, and generating corresponding early warning information and adjusting the preset collection frequency according to the analysis results. Multiple parameters of multiple oil and gas pipelines can be collected, and potential safety hazards can be conveniently found in time. By adjusting the preset collection frequency, battery energy can be saved, working time can be prolonged, and the workload of maintenancestaff is reduced.

The invention relates to the field of monitoring and safety of electrified railways, in particular to a method for catching and positioning an electric arc of an electrified railway contact net based on a high-precision global positioning system (GPS) / inertia measurement unit (IMU) positioning and orientation technology and a high-speed digital imaging technology. When a high-speed camera or a high-speed digital camera of high-speed digital imaging equipment 1 performs shooting or exposure, a pulse event signal is returned to an industrial control computer 5; the current GPS time is recorded, so that an exposure time file is formed; the high-speed digital imaging equipment 1, a GPS receiver 2 and an IMU 3 use the same GPS time, so that digital frame images of the electric arc are automatically extracted from an image sequence after data are processed to generate a moving trace of a power locomotive; and the exposure times of the electric arc images are matched with the moving trace of the power locomotive, so that a start position, an end position, a delay time period, a lasting distance and a temperature distribution situation of the electric arc can be accurately determined.

The invention relates to an inclination alarm device for outdoor advertising boards, which is fixed on an advertising board, and comprises: an inclination angle sensor configured to measure the inclination angle of the advertising board; a wireless communication module configured to receive the measurement results of the inclination angle sensor, and also configured to send the measurement results of the inclination angle sensor, in a wireless way, to a remote device for monitoring the inclination state of the outdoor advertising board; a clock module configured to enable the wireless communication module to periodically send the measurement results of the inclination angle sensor, in a wireless way, to the remote device for monitoring the inclination state of the outdoor advertising board; and a power supply module configured to supply power for the inclination angle sensor, the wireless communication module and the clock module. The scheme of the invention can realize periodical and automatic report of the inclination angle state of the advertising board, and improve the reliability of the inclination alarm device. Furthermore, the inclination alarm device of the invention facilitates unified management of outdoor advertising boards, and thus reduces potential safety hazard of outdoor advertising boards.

The invention discloses an integrated harbor bank electricity management system. The integrated harbor bank electricity management system comprises an integrated harbor bank electricity management platform, harbor bank-based power supply equipment and a bank electricity equipment controller, wherein the integrated harbor bank electricity management platform comprises an operation monitoring module, a data acquisition module, a warning management module and a statistics analysis module, the bank electricity equipment controller comprises a main controller and a secondary controller and further comprises a fiber communication unit, an RS485 communication unit and an information amount acquisition unit, the integrated harbor bank electricity management platform is generally disposed at an office area at the back of a harbor and is connected with the main controller through the RS485, the harbor bank-based power supply equipment is generally disposed at the front edge of the harbor, the secondary controller is mounted in the power supply equipment, and the main and secondary controllers are connected through a fiber. The integrated harbor bank electricity management system is advantaged in that, 1, a work state of the harbor bank electricity equipment is monitored to guarantee safe operation of the harbor bank-based power supply equipment; and 2, timeliness is high, and hidden safety trouble of the harbor bank-based power supply equipment can be timely discovered.

The invention provides a control method and system of the switch-off process of a relay of a power battery. The control method comprises the following steps: after receiving a command of switching off the relay, judging whether the conditions of switching off an anode relay are satisfied or not according to the running states of a vehicle and a power battery system, and if yes, sending out a command of switching off the anode relay so as to switch off the anode relay; and after switching off the anode relay, judging whether conditions of switching off a cathode relay are satisfied or not according to the running states of the vehicle and the power battery system, and if yes, sending out a command of switching off the cathode relay so as to switch off the anode relay. Therefore, according to the control method disclosed by the invention, the running states of the vehicle and the power battery system are comprehensively considered, and the corresponding relay can be switched off only when the switch-off conditions are satisfied, wherein the switch-off conditions include the failure level, the interval time of states, and the constraint conditions of electric current and conform to the actual running states of the vehicle and the power battery system. Thus, the service life of the power battery system is prolonged, and the safe running of the vehicle is guaranteed.

The invention relates to an OPPC on-line monitoring system for monitoring the operating condition of a power transmission line. The OPPC on-line monitoring system comprises the power transmission line formed by a novel OPPC, a field monitoring device and a remote monitoring device, wherein tight tube optical fibers are arranged in a first optical unit of the novel OPPC, and loose tube optical fibers are arranged in a second optical unit of the novel OPPC; the field monitoring device comprises a monitoring module and a safety isolation module; one end of the line is connected to an optical fiber distribution frame through a splice closure and a guiding optical cable, and then is connected to the field monitoring device, and the other end of the line is connected to the optical fiber distribution frame through the splice closure and the guiding optical cable, and conducts fiber jumping loopback on the optical fiber distribution frame; the remote monitoring device comprises a monitoring management module, a data center module and a data analysis module. The OPPC on-line monitoring system for monitoring the operating condition of the power transmission line achieves real-time continuous monitoring of the temperature, the current-carrying capacity and the stress of the OPPC line in the whole process, provides powerful technical support for operation and overhauling of the line, and guarantees safe operation of a power grid.

The invention discloses a self-inspection system for a rail traffic intelligent routing inspection robot. The self-inspection system comprises a data gathering module (100) used for gathering the movement state data of the intelligent routing inspection robot (1) and the rail surface data of a rail (2), a first data processing module (200) and a second data processing module (300) used for performing data processing, a platform control module (400) used for generating early warning signals and alerting signals, a central control module (500) used for summarizing the early warning signals and the alerting signals, a storage module (600), a platform database module (700) and a central database module (800) used for storing and standardizing data and a platform display module (900) and a central display module (1000) used for performing feedback on the early warning signals and the alerting signals. By means of the self-inspection system for the rail traffic intelligent routing inspectionrobot, the own state of the intelligent routing inspection robot (1) and the running rail (2) of the intelligent routing inspection robot (1) can be monitored, safety hidden dangers are found in time, and the safety and stability of a rail traffic running system are effectively improved.

The invention discloses an all-optical network ship lock miter gate health status monitoring system, and a working method of the system. The monitoring system comprises an optical fiber grating strain monitoring sub-system, an optical fiber crack monitoring sub-system, an optical vibration monitoring sub-system, a demodulation system, a database management system, and a PC monitoring system. The system and the method provided by the invention have the advantages that optical fibers are used as a transmission medium, so that a high transmission rate, high anti-interference capability, and high stability and reliability in year-round operation are achieved, and power supply and loop forming are avoided; optical-electrical conversion of signals is only carried out after the signals enter the demodulation system, so that the waterproof and moisture-proof performances are greatly improved; the all-optical network system is constructed through a linear structure of sensors, the optical fibers, a demodulation device, network cables and a computer, so that the integration level is high, and uniform management, debugging and maintenance are facilitated; and through the system and the method, the safety and health statuses of a ship lock during the whole operation can be learned and understood in a real-time manner, and reasonable suggestions regarding ship lock overhauling and maintenance can be further provided.

The present invention discloses a method for detecting metal pipiline corrosion condition by penetrating heat-insulating layer and covering layer. Lt utilizes electromagnetic eddy current thickness-measuring principle and adopts the alternation of pulse eddy current and finite amount of variable-frequence sine waves as signal for exciting eddy current sensor. Said invention also provides the concrete step of said metal pipeline corrosion detection method by using metal pipeline model.

The invention provides a network security transmission method, a device and a system thereof. The method of the invention comprises that: an anti-virus gateway is used for monitoring the security state of terminal equipment, so as to judge whether security hidden troubles exit in the terminal equipment; when the security hidden trouble exits in the terminal equipment, the network transmission of the terminal equipment is controlled according to the security control policy and a control command is transmitted to the terminal equipment to cause the terminal equipment to search and kill virus and remove the hidden trouble. The anti-virus gateway equipment comprises a monitoring module, a transmission module and a control module. By adopting the invention, the problem that the network virus utilizes the security hidden trouble of the terminal equipment to invade the network and block the network is solved, and meanwhile, the mutual transmission between terminal equipment can be avoided; therefore, the network security transmission can be realized.

The embodiment of the invention provides a fault monitoring early-warning method of an unmanned aerial vehicle and the unmanned aerial vehicle, and belongs to the field of the unmanned aerial vehicle.The method comprises the following steps: acquiring acceleration data of the unmanned aerial vehicle; and determining whether to give early-warning according to the condition whether the accelerationdata exceeds a set threshold. And meanwhile, the invention further provides an unmanned aerial vehicle adopting the fault monitoring early-warning method. By monitoring the acceleration data, especially the abnormity of the triaxial acceleration data, the excessive fuselage jittering and like accident potential can be timely discovered, thereby improving the flight security of the unmanned aerialvehicle.

The present invention discloses a quay crane structure detection system based on a quadrotor unmanned aerial vehicle. The system comprises an unmanned aerial vehicle subsystem, a task pod subsystem and a ground control measurement and control subsystem. The unmanned aerial vehicle subsystem employs a quadrotor unmanned aerial vehicle platform, and comprises a quadrotor unmanned aerial vehicle, and a flight control computer, a flight navigation module, an obstacle avoidance module and a power driving device which are built by the quadrotor unmanned aerial vehicle; the task pod subsystem includes a holder carrying a visual light high-definition camera and a signal transceiver; and the ground control measurement and control subsystem includes a ground controller and a ground computer. The quay crane structure detection system based on the quadrotor unmanned aerial vehicle is simple in structure, convenient to use and is limited by the limitation of the time and the space. The unmanned aerial vehicle can perform near-distance, multi-angle and omnibearing high-definition camera of the quay crane, can be hovered in air for long-term camera of a certain point, can transmit the image to a ground computer to timely and accurately discover the metal structure problem of the crane and solve the potential safety hazard to ensure the safety operation work of the crane.

The invention discloses a sponge city GIS intelligent online safety monitoring system comprising a WEB server, a reservoir water level and water quality monitoring system, a reservoir foundation pit safety state monitoring system and a reservoir surrounding environment monitoring system. The WEB server displays the actual situation of all the monitoring points. The reservoir water level and water quality monitoring system adopts a high-precision water level sensor to monitor the water level of a reservoir in real time online. The reservoir foundation pit safety state monitoring system monitors the safety situation of a reservoir foundation pit in real time online by adopting vertical horizontal displacement, axial force and pressure sensors. The reservoir surrounding environment monitoring system provides early warning for storage and drainage of the reservoir through rainfall monitoring and provides rainfall early warning information for a monitoring platform. A complete quality monitoring report is provided for construction and operation of a sponge city through four measures, and various safety situations are monitored in real time online in a monitoring center so that safety hidden trouble can be timely discovered and major accidents can be avoided.

A dry-type transposed conductor air reactor for pre-burying an optical fiber Bragg optical grating temperature measuring shape-changing sensor comprises the optical fiber Bragg optical grating temperature measuring shape-changing sensor, a dry-type air reactor common inter layer structure, a transposed conductor coil winding, a glass fiber packaging layer (a glass-fiber-added cotton belt) and an epoxy glue layer. The dry-type transposed conductor air reactor is characterized in that the optical fiber Bragg optical grating temperature measuring shape-changing sensor is pre-buried in the dry-type air reactor based on the transposed conductor technology, the coil winding of the dry-type air reactor is formed by winding a flat aluminum stranded conductor, and a reactor coil is packaged through glass fiber of the glass-fiber-added cotton belt immersed by epoxy resin. By means of the dry-type transposed conductor air reactor, the high-voltage-resisting level can be improved, temperature rising can be reduced, and the safety of high-voltage power transmission and distribution is improved.

Provided is a resource pool fault diagnosis and positioning processing method based on the probe technology, characterized by being capable of completely realizing the resource pool trouble shooting and relevance analysis of infrastructures such as a server, a network, a storage layer, etc. The beneficial effects are that the probe technology can push the standardization and intensification of cloud calculating resource pool operation management, improve the operation stability of a resource pool, provide an operation environment of high stability for a service system virtual machine, and play a significant role in promoting a cloud calculating resource SLA. The probe technology provides a new technical method for the cloud calculating management technology; cloud calculating operation data can be collected through constructing different probe technologies, thereby comprehensively controlling the operation management of cloud calculation, and establishing basic technical theory conditions for future cloud calculation development.

The invention discloses a network security monitoring platform for an industrial control system. The network security monitoring platform comprises a controller protection module; a host protection module; a boundary and region protection module; a comprehensive early warning and auditing module; a situation awareness module; a remote maintenance module; and an authority control module. According to the network security monitoring platform for an industrial control system, real-time unified monitoring is carried out on the overall security condition of the iron and steel industry Internet, potential safety hazards such as existing security holes are found accurately and timely, real-time alarming is carried out on major security incidents, and the security trend of an iron and steel group can be displayed through a highly visual graphical interface.

The invention discloses a laser monitoring and alarming system for deep foundation pit displacement. The laser monitoring and alarming system comprises a laser monitoring system, wherein the laser monitoring system is connected with a processing system, and the processing system is connected with an automatic alarming system. According to the abovementioned scheme, the laser monitoring and alarming system has the beneficial effects of simple structure and rational design, and can be used for overcoming operation and judgment errors caused by subjective factors and objective factors of a person, monitoring in real time around the clock, monitoring alarming fault affected by subjective reasons and objective reasons can be monitored, and finding out potential safety hazards immediately and sending an alarm within the shortest time.

The invention relates to the field of coal chemical industry, in particular to a safety shutdown interlocking of a Texaco gasification furnace. The safety shutdown interlocking monitors and controls the operation process of the gasification furnace through inlet pressure of a coal paste pump, and adopts two-in-three logic control over the inlet pressure of the coal paste pump. The invention solves the accidents of peroxide of the gasification furnace and peroxide explosion caused by big coal paste viscosity, poor flowability and blockage of the inlet of the coal paste pump. The interlocking has high accuracy and flowability, and is safe and reliable.

The invention relates to a leak detector of a capsule for a transformer oil conservator. The leak detector is mounted inside the capsule for the transformer oil conservator in an overall sealed mode at the lowermost point of the capsule and comprises a liquid collection barrel, a floater and a reed pipe switch, a hollow stand column is mounted inside the liquid collection barrel, the reed pipe switch is fixedly mounted inside a cavity of the hollow stand column, the floater is movably arranged outside the hollow column in a sleeved mode, the floater is provided with a magnet, and a connection terminal of the reed pipe switch is connected with a far-end control center through a circuit board. The leak detector has the functions of alarming capsule fractures, capsule leakage or waterlogging, can monitor a transformer for a long time, can detect potential safety hazard in time, avoid accidental trips of transformer and outages, greatly reduces economic loss, and brings convenience to automatization intelligent control.

The invention discloses an immersed tube tunnel cloud automatic monitoring management system, which belongs to the technical field of immersed tube tunnels, and is characterized in that a multi-channel automatic acquisition module comprises an automatic acquisition instrument; the sensor module is used for acquiring the inclination angle of each section of pipe, the posture of the pipe section in deep water, the stress of a steel beam, the displacement of the pipe section and the linear change of the pipe section; the Internet of Things data transmission module is used for data interaction; the data storage module is used for data storage; the space measuring point display module is used for displaying the monitoring data; the early warning alarm module is used for comparing the monitoring data with a safety threshold value, when the monitoring data is outside the safety threshold value, an alarm is given, and otherwise, the alarm is not given; the data processing prediction module initializes and calibrates the model through the collected data, and completes the prediction of a monitoring result; and the cloud monitoring module is used for data collection, data processing, data sharing, data display and data storage. According to the invention, full-life-cycle intelligent monitoring of the immersed tube tunnel can be realized.

The invention relates to an efficient protocol client vulnerability mining method and system. The method includes the following steps: protocol structure identification; test data packet generation; test engine; test agent; and test target monitoring, wherein the protocol structure identification is to perform automatic analysis on a protocol data packet based on a gene sequence comparison algorithm in bioinformatics and divide the data packet structure into a session-related data domain, a data packet length data domain, a fixed data domain and a fuzzy test data domain; the test data packet generation is to adopt different processing methods to generate a test data packet based on the data packet structure obtained in the foregoing part; the test engine calls related programs, and the test agent monitors the state of a vulnerability mining system; and the test target monitoring is to save configuration site information for triggering protocol client vulnerabilities, position the datapacket that causes an exception, and finally trigger the type of vulnerability that is triggered. The scheme of the invention is high in test efficiency and accuracy, can discover security vulnerabilities as early as possible, and can take corresponding security remedies.

The invention belongs to the technical field of automatic ultrasonic non-destructive inspection for a thread hole belt of nuclear reactor pressure vessels, and particularly discloses a non-destructive inspection circumferential position correction method for the thread hole belt of a nuclear reactor pressure vessel. The non-destructive inspection circumferential position correction method comprises the following steps: step 1. setting a plurality of key slots supporting steps on the nuclear reactor pressure vessel to position references; step 2. installing induction components in the key slots set to the position references; step 3. when a non-destructive inspection trolley for the thread hole belt of the nuclear reactor pressure vessel passes through the induction components, providing the real circumferential position of a scanning trolley by the induction components; and step 4. comparing the real circumferential position of the trolley, which is provided by the induction components with a measured circumferential position which is measured during the own movement process of the trolley by the scanning trolley to carry out circumferential position correction. According to the non-destructive inspection circumferential position correction method disclosed by the invention, the errors of inspection for the circumferential movement position of the trolley can be timely eliminated, the scanning inspection accuracy can be improved, potential safety hazards can be timely found, accurate location can be realized, and a support is provided for the subsequent working.

The invention discloses a cloud platform-based electrical fire monitoring system and an early-warning analysis method thereof. The cloud platform-based electrical fire monitoring system comprises a data dynamic monitoring module, a data communication module, a master control module, a data cloud server, a remote monitoring center and a monitoring central interface. An electric leakage data analysis module is additionally arranged, each acquired time point and current are definitely recorded according to running state information, continuously acquired for many times, of an electrical fire mainmachine and a remaining current of each monitoring loop, an electric leakage early-warning analysis report is generated when n remaining currents at n continuous points are all larger than a warningthreshold value, and a prepared and comprehensive electric leakage early-warning report is formed.

The invention provides an anti-excessive-tipping early warning method for a tower crane and an anti-excessive-tipping early warning device for the tower crane. The anti-excessive-tipping early warning method for the tower crane comprises the following steps: detecting the magnitude of stress on a main chord (411) of a standard joint (41) of a tower body (4), and generating a detection result; comparing the detection result with a preset value, and judging whether the detection result is greater than the preset value or not; if the detection result is greater than the preset value, transmitting a warning signal; giving out warning according to the warning signal. By adopting the technical scheme of the invention, tipping of the tower crane can be detected in time, warning is given to a driver in time, and tipping of the entire tower crane is prevented effectively.

The invention provides a test system for testing the performance of a braking gateway. When receiving an MVB bus and / or an HDLC bus test request command sent by a computer, a tester sends test data to the braking gateway through an MVB port and / or an HDLC port, and detects the performance of the braking gateway according to first parameter information corresponding to feedback information of the braking gateway and second parameter information corresponding to the test data. Therefore, the performance of the braking gateway can be detected conveniently and efficiently, so as to find the potential safety hazards and improve the operation reliability of motor vehicles.