Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

139results about How to "Raise the level of monitoring" patented technology

SCADA (supervisory control and data acquisition) temperature parameter based wind turbine set security evaluation method

The invention discloses an SCADA (supervisory control and data acquisition) temperature parameter based wind turbine set security evaluation method and belongs to the technical field of equipment security evaluation. The wind turbine set security evaluation method includes: firstly, deciding on an SCADA temperature parameter; then analyzing temperature parameters related to system faults of a wind turbine set, structuring relatedness between operating conditions of the environment temperature as well as wind speed and the SCADA temperature parameter, determining a standard for division of wind turbine set operating conditions, and establishing a standard Gaussian model serving as a reference model for evaluation of the wind turbine set operating conditions; calculating degree of deviation between a curve and the standard model through comparing the standard model with the Gaussian model, and measuring the operating condition of the wind turbine set. By the application of the wind turbine set security evaluation method, monitoring level upon the wind turbine set can be improved, utilization rate of the wind turbine set can be increased, and operation cost can be effectively lowered; a reliable and effective wind turbine set security evaluation mechanism is established, so that deterioration of hidden trouble of the wind turbine set towards faults and accidents is avoided, and an operation circumstance which is secure, stable and efficient is formed for the wind turbine set.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1

Method for integrating image monitoring with an integration automation background of electric power system

InactiveCN102404553AImprove comprehensive automation monitoring informationRaise the level of monitoringClosed circuit television systemsTransmissionElectric power systemMonitoring system
A method for integrating image monitoring with an integration automation background of an electric power system adopts a structure composed of a client and a video transit server; a video client comprises an image monitoring plugin embedded in a picture and the client based on an independent process window and is in charge of displaying images and receiving mouse events to transmit various control commands to the transit server; the client receives video of the server and displays images so as to accomplish the linkage relation between state changes of video images and monitored equipment; the video transit server is in charge of receiving video command information and image requests from the client, forwarding the control commands to a control camera of an image monitoring system, and establishing corresponding service function aiming at the image monitoring requests; and the video transit server receives image information from a video server and forwards the information to all video clients. The method provided by the invention enables operating personnel of the electric power system to know the appearance state and the position information of primary equipment and secondary equipment in the field of a transformer station.
Owner:NR ELECTRIC CO LTD +1

Fuzzy rough set coal dust image segmentation method based on multiple attribute reduction

The present invention discloses a fuzzy rough set coal dust image segmentation method based on multiple attribute reduction. The method comprises the steps: 1. determining the fuzzy type membership degree; 2. determining the fuzzy attribute reduction, and obtaining the coal dust image removing redundancy attributes; 3. calling a segmentation threshold determination module through an image processor and determining the threshold value for performing coal dust image segmentation according to the maximum entropy threshold value determination method; and 4. comparing the gray value of each pixel in the coal dust image segmentation removing the redundancy attributes with the threshold value for performing coal dust image segmentation through the image processor, and dividing the pixels which have the gray values are larger than the threshold value for performing coal dust image segmentation into target areas, and dividing the pixel which have the gray values are smaller than or equal to the threshold value for performing coal dust image segmentation into background areas. The method steps are simple, the efficiency and the precision of the coal dust image segmentation are improved, the effectiveness and the robustness are good, the usage is flexible and convenient, the expandability is good, and the popularization application value is high.
Owner:XIAN UNIV OF SCI & TECH

Interactive user electricity consumption abnormity monitoring and early warning management cloud platform based on cloud computing

The invention discloses an interactive user electricity consumption abnormity monitoring and early warning management cloud platform based on cloud computing. The invention comprises a residential user number statistics module, a user historical age limit electricity consumption collection module, a user historical age limit average electricity consumption statistics module, a user current electricity consumption collection module, a current electricity consumption abnormality identification module, an abnormality early warning module, an abnormality fault analysis module and a fault display terminal. Current month ammeter metering data acquisition is carried out on each user, so that abnormity monitoring is carried out on the current month ammeter metering data of each user to obtain an abnormal electricity utilization user, abnormity early warning and abnormal fault analysis are carried out on the abnormal electricity utilization user, and an abnormal fault reason of each abnormal electricity utilization user is obtained. According to the invention, the defect that the function of the current user ammeter metering abnormality monitoring mode is single is overcome, the monitoring function of the user ammeter metering abnormality is expanded, and the current comprehensive intelligent monitoring requirement of the user ammeter metering abnormality is met.
Owner:南京谱隘网络科技有限公司

Remote monitoring system for offshore wind turbine generator

The invention discloses a remote monitoring system for an offshore wind turbine generator. The remote monitoring system comprises a wind turbine generator data acquisition sub-station, a video monitoring sub-station, a data transmission unit and a remote cloud center, wherein the wind turbine generator data acquisition sub-station comprises a controller, a blower fan current detection module, a blower fan temperature detection module, a blower fan vibration detection module, a wind force transducer, a remote start/stop apparatus and an overload protection device, the video monitoring sub-station comprises a plurality of cameras and a plurality of video servers for processing the image obtained by the cameras, and the data transmission unit comprises a ZigBee wireless transmit-receive module, a signal gathering device and a GPRS wireless module. The remote monitoring system is simple in structure, convenient for installation and laying. Comprehensive monitoring of an offshore wind turbine generator can be realized through a wireless network, managers can timely know the operation states of a blower fan, and potential fault can be timely discovered and pre-warned. Safety protection and monitoring level for the offshore wind turbine generator is improved.
Owner:XIAN KUOLI MACHANICAL & ELECTRICAL TECH

Communication cable circuit detection system and detection method

The invention provides a communication cable circuit detection system comprising a monitoring station, a light source station and a monitoring center, wherein the monitoring station comprises a main control unit, an optical power monitoring unit, a cable fault detection unit, a wave combination and splitting unit, an optical switch and a remote positioning unit; the light source station is provided with a light emitting unit and an optical processing unit; the monitoring center, the optical power monitoring unit, the optical switch and the cable fault detection unit are separately in communication connection with the main control unit; the cable fault detection unit, the optical power monitoring unit, the optical processing unit and the wave combining and splitting unit are connected via optical fibers; the optical switch is arranged between the cable fault detection unit and the wave combining and splitting unit; the optical switch is configured to switch test light emitted by the cable fault detection unit in real time; and the wave combining and splitting unit is configured to perform partial wave combination on monitoring light received by the optical power monitoring unit andthe test light emitted by the cable fault detection unit.
Owner:北京立成通科技有限公司

Intelligent patrol system for communication device

The invention discloses an intelligent patrol system for a communication device. The intelligent patrol system comprises a two-dimension code label and a handheld patrol instrument, wherein patrol system management software is mounted in the handheld patrol instrument, the two-dimension code label is arranged on each communication device, the two-dimension code label comprises two regions, namely a two-dimension code region on the left and an equipment information bar on the right, unchangeable information of the device is complied into two-dimension code information, and the information recorded in the equipment information bar comprises relevant paper data of various electric power telecommunication equipment. According to the intelligent patrol system for the communication device, the two-dimension code label is arranged on the communication device, the two-dimension code label has the two regions for recording changeable information and unchangeable information, wherein the changeable information is formed in a way that relevant paper data of various electric power telecommunication equipment is electronically, visually and intelligently managed, so that relevant personnel can rapidly and accurately take and check information including model, function, operation and the like of needed equipment.
Owner:STATE GRID CORP OF CHINA +2

System for on-line monitoring abnormal vibration of GIS equipment isolating switch

The invention provides a system for on-line monitoring abnormal vibration of a GIS equipment isolating switch. The system comprises a signal acquisition unit formed by a piezoelectric type accelerometer and a current transformer, an equipment terminal signal processing unit formed by a filtering amplification module, a high-speed AD sampling module, a DSP module, an ARM processor module, a communication module and a power supply module, a sensor disconnecting-prevention unit formed by a connection board, a connecting fixing member, a copper sheet, a controller and a piezoelectric transducer, a background monitoring server and a human-machine interface. During use, the signal acquisition unit acquires vibration and current signals and sends the vibration and current signals to the equipment terminal signal processing unit for processing, the equipment terminal signal processing unit sends preprocessed information to the background monitoring server for monitoring and determining, and the sensor disconnecting-prevention unit assists in fixing the piezoelectric type accelerometer and gives off an alarm when the piezoelectric type accelerometer falls off. The system has the advantages of simple structure and easy realization and ensures timely fault discovering, rapid response and highly-reliable operation during use.
Owner:CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +2

Agricultural product cold chain storage transport fine control modeling and optimizing method

The invention provides an agricultural product cold chain storage transport fine control modeling and optimizing method. The modeling method is characterized in that data information such as temperature factor, humidity factor, and gas concentration factor of a cold storage chamber can be acquired in a preset time; according to the acquired data information such as the temperature factor, the humidity factor, and the gas concentration factor, the response curves of the temperature, the humidity, and the gas concentration can be acquired, the per unit curves converted according to the corresponding curves can be acquired; the cold chain control models corresponding to the factors can be acquired according to the response curves and the per unit response curves; the cold chain fine control coupling models can be acquired according to the cold chain control models corresponding to the factors; the data information such as the temperature factor, the humidity factor, and the gas concentration factor of the cold storage chamber can be acquired in a real-time manner; according to the data information such as the temperature factor, the humidity factor, and the gas concentration factor of the cold storage chamber, which can be acquired in a real-timed manner, the output control signals of the factors can be acquired by adopting the cold chain fine control coupling models to change the frequency conversion refrigerator rotating speed, the electric humidification water valve opening degree, and the electric air control valve opening degree.
Owner:CHINA AGRI UNIV

Intersection traffic state parameter estimation method and system based on multi-source data

The invention discloses an intersection traffic state parameter estimation method and system based on multi-source data. The method comprises the following steps: building a vehicle delay model according to a traffic wave theory, and building a vehicle travel time model of a flow direction level according to the speed distribution characteristics of a vehicle; enabling a fixed-point detector to detect and obtain the flow of the road section entrance, and determining the number of vehicles arriving at the road section entrance; determining a traffic flow steering ratio of a road section by setting a virtual travel line according to a vehicle track acquired by a mobile detector; determining Bayesian networks of different flow directions according to the vehicle travel time model, the number of arrival vehicles and the traffic flow steering ratio; and solving the Bayesian network and determining the maximum queuing length and the average travel time of the vehicles in different flow directions. According to the embodiment of the invention, the vehicle track data and the fixed-point detector data are combined, and the parameter estimation method fusing the traffic wave theory and statistical analysis is established, so that the accuracy of traffic state parameter estimation is effectively improved.
Owner:SUN YAT SEN UNIV

Agricultural environment monitoring system based on big data

The invention provides an agricultural environment monitoring system based on big data, and the system comprises an environment sampling module which carries out the collection of all-region agricultural environment data at a T moment, and stores the data to a big data cloud server; a big data matching module which obtains the all-region agricultural environment data of the big data cloud server, matches the all-region agricultural environment data with the sample data one by one, obtains the difference condition of the all-region agricultural environment data and the sample data, and divides a sub-region according to the difference condition; an environment modeling module which constructs a regional environment model according to the agricultural environment data in the sub-region; and a quality monitoring analysis module which inputs the sub-region agricultural environment data at the T+1 moment into the current regional environment model to obtain an environment regulation and control instruction at the T+1 moment. According to the invention, the zoning monitoring of a all-region agricultural environment is realized, grading modeling prediction can be carried out on soil and crop growth conditions in real time, and the automation degree of farmland monitoring and zoning management and control precision are improved.
Owner:SHANDONG BUSINESS INST

Power system service bus monitoring method

The invention discloses a method for monitoring a service bus of a power system. The method comprises the following steps of: configuring and assigning one or more monitoring center nodes and server nodes of the system in a dispatching system; after the service of each server node is started, reporting current service monitoring information to the corresponding monitoring center node at set intervals; each monitoring center node organizing and storing the monitoring information of each server node received in the system, obtaining visual service monitoring information data through statistical analysis, and synchronizing the visual service monitoring information data to each server node; each node visually displaying each piece of service monitoring information through a display interface, and being capable of displaying the monitoring information as required based on input parameters. According to the method, the service operation condition can be visually observed, effective data is provided for troubleshooting, the troubleshooting speed of the system is increased, the process monitoring level is improved, and comprehensive and visual state information is provided for data transmission and interaction of the power grid regulation and control system.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +4
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products