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54results about How to "Eliminate monitoring blind spots" patented technology
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Railway track real-time monitoring system and data processing method thereof
InactiveCN102530028AEliminate monitoring blind spotsAchieve complete acquisitionElectric signal transmission systemsRailway signalling and safetyBlind zoneMonitoring system
The invention discloses a railway track real-time monitoring system and a data processing method thereof, and belongs to the filed of railway track safety. The railway track real-time monitoring system comprises a piezoelectric sensor, a collection box, a wireless sensor and a vibrator, wherein both the piezoelectric sensor and the vibrator are arranged on the railway track and connected with the collection box; the wireless sensor is arranged on a high-voltage power line; the collection box sends an encryption signal to the vibrator; the vibrator drives the railway track to generate the vibration; the piezoelectric sensor acquires a vibration audio signal on the railway track and sends the vibration audio signal to the collection box for processing; and the collection box transmits the vibration audio signal through the wireless sensor in a wireless or wired transmission way. In the invention, the vibration audio signal is taken as a data basis for analyzing the failure happening in front of a train, the monitoring blind zone of the railway track is eliminated, the integral collection of the fault analysis basis data is achieved, the failure happening in front of the train can be predicted through the data processing method, and the intelligentization and the netwoking of the monitoring system are improved greatly.
Owner:重庆安谐新能源技术有限公司
Sea-air area stereo perception prevention and control system
PendingCN109709589AEliminate monitoring blind spotsHuman health protectionSatellite radio beaconingSevere weatherUnderwater
The invention provides a sea-air area stereo perception prevention and control system. The system includes an ad-hoc network unattended target recognition reconnaissance and surveillance system, an air and sea area intelligent command and dispatching system and the structure of a sea and air area management and control platform based on massive data fusion and analysis which are in mutual communication. A problem of incapability in comprehensively monitoring larger blind areas of automatic screening of cooperation targets and non-cooperative targets in the sea and air monitoring areas due to the nighttime, high sea conditions, rain or fog severe weather conditions and other environmental factors, of intelligent detection, tracking and early warning of non-cooperative abnormal targets, andof sea surface, sea and air, underwater, island and terrestrial harsh application scenarios in the prior art is solved, real-time information display on a chart is realized, the target situation is generated, data fusion and information research and determination are conducted, real-time monitoring and early warning of the detection targets are performed, the three-dimensional early warning detection network is jointly built with shore-based, air and space systems, and blind spots are eliminated.
Owner:深圳市芯鹏智能信息有限公司
Online monitoring system and method for insulation state of substation DC system
ActiveCN104237645AMeet monitoring needsPrecise positioningImpedence measurementsFault locationMonitoring systemEngineering
The invention discloses an online monitoring system for the insulation state of a substation DC system. The system comprises multiple sets of DC leakage current detection devices and a signal merger and diagnosis unit. The DC leakage current detection devices are respectively used for detecting DC leakage current of all branches; each set of DC leakage current detection devices is provided with at least two DC leakage current detection devices which are used for detecting DC leakage current at different positions on the same branch respectively. The signal merger and diagnosis unit is used for detecting the voltage to earth of positive and negative buses and further wirelessly connected with all the DC leakage current detection devices to receive DC leakage current data transmitted by all the DC leakage current detection devices. The signal merger and diagnosis unit judges whether an insulation failure occurs or not and determines the position where the insulation failure occurs according to the detected voltage to earth of the positive and negative buses and the received DC leakage current data. The invention further discloses an online diagnosis method for the insulation state of the substation DC system.
Owner:南京汇创电力科技有限公司
Space-time two-dimension train tracing method
ActiveCN101125554AEliminate false identification numbersEliminate monitoring blind spotsRailway signalling and safetyAutomatic controlSimulation
The present invention aims at solving the problems of train identification loss which causes automatic invalid of operation control and unable to automatically distinguish train block in existing urban rail train operation. The present invention invents a space-time two-dimension train tracking method and consists of the following six steps: train positioning, train inertial distinguishing, stepping distinguishing, system dispatching, train distinguishing deletion and real-time monitoring; the present invention solves the problem of accuracy and promptness in the operation process of the train and orderly dispatches the whole system, timely eliminates train fake identification number, eliminates train monitoring blind area and automatically decides train block accidents. Therefore, the present invention is suitable to be applied in train operation tracking in any block mode in urban rail traffic.
Owner:NANJING NRIET IND CORP
Optimized configuration method of voltage sag monitoring node
ActiveCN104880643AImprove engineering applicabilityEliminate monitoring blind spotsFault locationElectrical resistance and conductancePower grid
The invention relates to an optimized configuration method of a voltage sag monitoring node. The method comprises: obtaining a critical fault resistor matrix based on a power grid topology and a system parameter; according to a fault resistor random distribution characteristic and the critical fault resistor matrix, establishing an inequality constraint; and obtaining an optimal monitoring node configuration scheme meeting the inequality constraint by targeting monitoring node number minimization. According to the method, a fault resistor of a short-circuit fault point is introduced into a monitoring node optimization configuration model, thereby eliminating a monitoring dead zone of the voltage sag.
Owner:STATE GRID SICHUAN ECONOMIC RES INST +1
Method for finely and accurately comparing line losses based on smart-grid technology
ActiveCN102707156ARealize acquisitionReal-time fast interaction mechanismData processing applicationsResistance/reactance/impedenceDatabase interfaceSide information
The invention discloses a method for finely and accurately comparing line losses based on a smart-grid technology, and belongs to the field of measurement. The method comprises electric quantity settlement of a user and electricity consumption information acquisition, and is characterized by comprising the following steps of: constructing a unified distributed analysis system for finely and accurately comparing the line losses based on .NET Remoting software system architecture; adopting corresponding electric quantity settlement and electricity consumption information acquisition modes aiming at different types of users to form line loss statistic subsystems aiming at the different types of users; performing data or information transmission between each line loss statistic subsystem and a unified line loss management application platform by adopting a shared database interface form, and a mode of directly importing data based on an integrated data processing (IDP) data access interface of Web Service or an Excel file; realizing acquisition, conversion, cleaning and warehousing of remote heterogeneous data, and establishing a data dynamic seamless interconnection mechanism and an information real-time fast interaction mechanism; and finally realizing the fine comparison of the line losses to ensure that user side information is visible and controllable. The method can be widely used in the field of operation / management of an electric power system.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
Voltage sag monitoring point optimal configuration method based on minimum amplitude search
ActiveCN110082639AEliminate monitoring blind spotsTo achieve effective monitoringFault locationPower gridSelf impedance
The invention discloses a voltage sag monitoring point optimal configuration method based on minimum amplitude search. The method comprises the following steps: collecting power grid parameters, regarding a fault point as a virtual node, and calculating voltage, mutual impedance and self-impedance before the fault of the virtual node, to form a system impedance matrix containing the virtual node;searching the minimum voltage sag amplitude of each node when any line has a short-circuit fault and the fault position changes on the line by using a golden section method, and traversing the whole network, to form a minimum voltage sag amplitude matrix; comparing the minimum voltage sag amplitude with a voltage threshold, to form voltage sag observable domain matrixes under different fault types, and calculating an observable domain matrix union under each fault type, to obtain a worst voltage sag observable domain matrix; and obtaining the optimal configuration method of the voltage sag monitoring point by taking the minimum number of the monitoring nodes as a target and taking the full observability of the whole network voltage sag as a constraint. The voltage sag monitoring blind areais eliminated, and the calculation efficiency is improved.
Owner:GUANGDONG POWER GRID CO LTD +1
Video monitoring method fusing position tracking and video monitoring system fusing position tracking
InactiveCN104038743AEliminate monitoring blind spotsEasy to findClosed circuit television systemsTransmissionWeb serverVideo monitoring
The invention provides a video monitoring method fusing position tracking. The video monitoring method fusing position tracking comprises the following steps of: 1) calculating the track to be moved, of a target by virtue of the target accurate position and the moving direction provided by an RFID positioning system; 2) communicating between a browser and a Web server by a comet long connection mechanism; 3) monitoring the target position by the Web server always through an RFID positioning server, and pushing the moving track information of the target in a map; 4) when the target is transferred to a video monitoring area from a map area, updating the position to the Web server by the RFID positioning server; when the target is transferred to the map area from the video monitoring area, updating the position to the Web server by the RFID positioning server. The invention further provides a video monitoring system fusing position tracking. The method and the system provided by the invention are capable of effectively eliminating monitoring blind areas, convenient to search, capable of realizing seamless switching, and capable of effectively avoiding screen jam and blank screen.
Owner:ZHEJIANG UNIV OF TECH
Whole-course tracing safety management system based on minimum packing unit of vaccines
InactiveCN106846208AUniqueness guaranteedCompatibleLogisticsSafety management systemsData management
The invention discloses a whole-course tracing safety management system based on the minimum packing unit of vaccines. The system comprises a vaccine encoding module, a data collecting module, a data managing module, a vaccine abnormity locking module and a user terminal platform; the vaccine encoding module, the data collecting module, the vaccine abnormity locking module and the user terminal platform are connected with the data management module; the vaccine encoding module encodes the vaccines at the minimum packing unit, and uploads encoding information to the data management module, the data collecting module collects temperature data and GPS position data of the vaccines during purchasing, transporting, storing and distributing in real time, and sends the obtained data to the data management module, and the data management module processes the obtained data and locks the abnormal vaccines in cooperation with the vaccine abnormity locking module. With the system, the quality of the vaccines in all circulation steps is monitored and traced in real time, and the comprehensiveness, real-time performance and traceability of safety in quality of the vaccines are guaranteed.
Owner:GUANGDONG MAIKE MEDICAL TECH CO LTD
Traction substation feeder cable partial discharge monitoring device and monitoring method
InactiveCN103616620AGuaranteed uptimeAvoid misjudgmentTesting dielectric strengthEngineeringSingle chip
The invention discloses a traction substation feeder cable partial discharge monitoring device and monitoring method. The traction substation feeder cable partial discharge monitoring device is formed in the mode that a terminal computer (2) provided with a GSM signal receiving module is installed in a traction substation; multiple cable partial discharge monitors (1) are distributed on a traction substation feeder cable; each cable partial discharge monitor (1) is composed of a sound sensor (11), a temperature sensor (12), a single-chip microcomputer (13) and a GSM signal emission module (14) in a sequential connection mode, and the sound sensor (11), the temperature sensor (12), the single-chip microcomputer (13) and the GSM signal emission module (14) share the same power supply (15); the power supply (15) is composed of an induction coil (15A), a rectifying circuit (15B), a DC / DC converting circuit (15C) and a storage battery (15D) in a sequential connection mode. The traction substation feeder cable partial discharge monitoring device is low in cost, and capable of judging and positioning a partial discharge fault point of the feeder cable comprehensively, quickly and accurately, thereby facilitating maintenance in time and better guaranteeing safe, reliable and efficient operation of the feeder cable.
Owner:CHINA RAILWAYS CORPORATION +1
System and method for mining intelligent individual soldier operation and support, and intelligent tour inspection method
ActiveCN109388115ASolve power problemsResolve interferenceProgramme total factory controlSupporting systemBlind zone
The invention discloses a system and a method for mining intelligent individual soldier operation and support, and an intelligent tour inspection method. The operation and support system comprises a cap subsystem, a lamp subsystem and a cloud control center subsystem. The cap subsystem and the lamp subsystem comprehensively use camera and various sensors carried on the cap subsystem and the lamp subsystem to realize communication, positioning, observation, sensing, scheduling, life monitoring and other functions. The cap subsystem and the lamp subsystem are wirelessly connected by Bluetooth, and after data summarization, data is wirelessly transmitted to the cloud control center subsystem. After the cloud control center subsystem performs data analysis and processing, the system sends backa control command and alarm information. Through the technical scheme of the invention, continuity, accuracy and real-time performance of positions, life states and surrounding environment monitoringof borehole operation personnel are guaranteed, and a monitoring blind zone is basically eliminated, and labor productivity and security guarantee degree are improved.
Owner:武汉七环电气股份有限公司
Particulate matter concentration prediction method and device, storage medium and electronic equipment
ActiveCN110738354AEliminate monitoring blind spotsForecastingCharacter and pattern recognitionSensing dataAtmospheric sciences
The invention relates to a particulate matter concentration prediction method and device, a storage medium and electronic equipment. The method comprises the steps of acquiring an aerosol optical thickness AOD remote sensing image map at the current moment in a target area; obtaining a target aerosol optical thickness from the AOD remote sensing image map, the target aerosol optical thickness being an aerosol optical thickness of a corresponding pixel of a target to-be-measured position in a target area in the AOD remote sensing image map; obtaining target data of a target environment influence factor at a target to-be-measured position; and taking the target aerosol optical thickness and the target data as the input of a pre-trained particulate matter concentration prediction model to obtain the particulate matter concentration at the target to-be-measured position. Therefore, the continuous spatial distribution of the near-surface particulate matter concentration can be accurately estimated by simultaneously fusing the ground air quality monitoring data, the satellite remote sensing data and the target environment influence factor data, so that a reliable data basis can be provided for comprehensively treating environmental problems.
Owner:BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
Omnibearing blind-zone-free surveillance and monitoring security device
InactiveCN103916629AEffective monitoring of blind spotsEliminate monitoring blind spotsClosed circuit television systemsStands/trestlesElectricityCamera lens
The invention provides an omnibearing blind-zone-free surveillance and monitoring security device. The omnibearing blind-zone-free surveillance and monitoring security device comprises a main camera, N auxiliary cameras and a fixing disc, wherein a camera lens of the main camera faces downwards, the N auxiliary cameras are arranged outside the side wall of the main camera and surround the main camera, the fixing disc is arranged at the upper end of the main camera, a microphone which is connected to an audio frequency amplifier integrated circuit is arranged in the main camera, a microphone hole and a multiphase signal jack are formed in the outer wall of the main camera, the microphone is arranged in the microphone hole, the video output end of the main camera, the video output ends of the auxiliary cameras and the audio output end of the audio frequency amplifier integrated circuit are all electrically connected with the multiphase signal jack, fixing holes are formed in the fixing disc, and N is a natural number which is not smaller than one. The omnibearing blind-zone-free surveillance and monitoring security device has the advantages that the design is scientific, no blind zone exists, sounds can be monitored, and the direction can be adjusted easily.
Owner:李建刚
Video monitoring method, video monitoring device, and video monitoring equipment
ActiveCN109348170AAvoid missingEliminate monitoring blind spotsClosed circuit television systemsMonitoring siteVideo monitoring
The invention provides a video monitoring method, a video monitoring device, and video monitoring equipment. The video monitoring method comprises the following steps: collecting wireless radio frequency signals transmitted in a monitoring site; monitoring, according to the wireless radio frequency signals, whether there is a visiting object entering the monitoring site; when detecting that thereis a visiting object entering the monitoring site, determining orientation information of the visiting object based on the wireless radio frequency signals; and controlling and bearing pan-tilt rotation of a camera according to the orientation information to shoot the visiting object. The video monitoring method, the video monitoring device, and the video monitoring equipment provided by the invention can realize omnidirectional and dead angle-free monitoring of the monitoring site by using the wireless radio frequency signals, and can control the pan-tilt rotation at the first time to shoot the visiting object when finding the visiting object by using the wireless radio frequency signals, which prevents from omitting monitoring pictures of any visiting object, and eliminates blind spots in time and space.
Owner:北京大学(天津滨海)新一代信息技术研究院
Artificial intelligence monitoring device
PendingCN113090889AEliminate monitoring blind spotsEasy to adjustPhotovoltaic supportsTelevision system detailsControl engineeringSmart surveillance
The invention discloses an artificial intelligence monitoring device. According to the technical scheme, the artificial intelligence monitoring device is characterized in that the artificial intelligence monitoring device comprises a fixed bottom plate; the fixed bottom plate is fixed to the ground through a plurality of expansion bolts; the top of the fixed bottom plate is fixedly connected with a box body; and the box body is rotationally connected with a first protective door; a lifting mechanism is used for adjusting the height and is arranged at the top of the box body; a rotating mechanism used for adjusting the monitoring direction is arranged above the lifting mechanism; a power supply mechanism used for providing electric energy is arranged above the lifting mechanism; a monitoring mechanism used for monitoring is arranged on one side of the rotating mechanism; a driving mechanism used for providing power for the lifting mechanism comprises a first servo motor fixedly mounted in the box body; and the problems that the height cannot be adjusted, and installation and maintenance are inconvenient are solved.
Owner:上海玺衡网络科技有限公司
Signal collecting and monitoring system based on wireless node network
ActiveCN103686087AReduce construction costsReduce post-maintenance costsNetwork topologiesClosed circuit television systemsTelecommunications linkCoal
The invention discloses a signal collecting and monitoring system based on a wireless node network. A field terminal subsystem comprises a plurality of technological parameter collecting devices and a plurality of video collecting devices, and technological parameter data and video image data in a coal bed gas production well are collected; a wireless backbone network subsystem comprises a plurality of wireless receiving-dispatching node devices and a wireless receiving-dispatching root node device, all the wireless receiving-dispatching node devices are connected with the technological parameter collecting devices and the video collecting devices arranged in the coal bed gas production well, receive the technological parameter data collected by the technological parameter collecting devices and the video image data collected by the video collecting devices, and send the received technological parameter data and the received video image data to the wireless receiving-dispatching root node device, wherein when a wireless communication link between a certain wireless receiving-dispatching node device and the wireless receiving-dispatching root node device is blocked, the wireless receiving-dispatching node device carries out wireless communication with the wireless receiving-dispatching root node device through the adjacent wireless receiving-dispatching node device.
Owner:CHINA HUANQIU CONTRACTING & ENG CO LTD +2
Intelligent well lid monitoring management system
ActiveCN110928224AEliminate video surveillance blind spotsSave labor cost and time costProgramme controlArtificial islandsEmbedded systemManagement system
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.
Owner:CRSC COMM & INFORMATION GRP CO LTD
Distribution area intelligent operation and maintenance device and operating method thereof
InactiveCN107910954AIncrease publishing speedEliminate monitoring blind spotsCircuit arrangementsSustainable buildingsLow voltageTransformer
The invention discloses a distribution area intelligent operation and maintenance device and an operating method thereof. The distribution area intelligent operation and maintenance device comprises distribution monitoring terminals arranged on each distribution box and intelligent control terminals arranged on each low-voltage branch line and each user meter box, wherein the distribution monitoring terminal comprises a first central processing unit, a first power supply module, a first short message sending and receiving module, a first wireless communication module, a first voltage and current acquisition circuit and temperature sensors which are arranged at the surface of each incoming cable and the surface of each outgoing cable inside each distribution box, and the intelligent controlterminal comprises a microprocessor, a second power supply module, a second short message sending and receiving module, a second wireless communication module and a second voltage and current acquisition circuit, and the first wireless communication modules and the second wireless communication module are wirelessly connected with a power grid monitoring center through a wireless network. The distribution area intelligent operation and maintenance device performs monitoring on the public transformer side, the line side and the client, eliminates a monitoring blind area, can send an early warning short message to a mobile phone of the maintenance personnel and improves the early warning information release speed.
Owner:HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD +2
Face recognition method and system based on gatekeeper
ActiveCN111753743AEliminate monitoring blind spotsCharacter and pattern recognitionTransmissionEngineeringFacial recognition system
The invention discloses a face recognition method and system based on a gatekeeper, and relates to the technical field of face recognition. The method comprises the following steps: collecting a facepicture, and storing the face picture in a first FTP server on a local side; ferrying the face picture stored in the first FTP server to a second FTP server on a public security intranet side throughthe gatekeeper; and polling and reading the face picture from the second FTP server, and extracting face features for recognition. The problem that a public security intranet face recognition system cannot be directly connected with a socialized resource face recognition camera to obtain data is solved, and a monitoring blind area of the public security system is eliminated.
Owner:WUHAN HONGXIN TECH SERVICE CO LTD
Coastal atmosphere combined pollution sky-ground integrated monitoring early-warning system
ActiveCN109975492AOptimize the test platformIncrease payload weightAir quality improvementMaterial analysisParticulatesMulti platform
The invention discloses a coastal atmosphere combined pollution sky-ground integrated monitoring early-warning system. The system comprises the following steps of (1) establishing multi-platform gas particle monitoring instrument atmosphere sample feeding system and a low-loss desalting and dehumidifying integrated sampling system under the costal and high-altitude multi-cloud unique environment;(2) developing offshore area atmosphere boundary layer pollutant concentration and three-dimensional meteorological element vertical sounding; (3) performing integrated monitoring on large-load airship, unmanned aerial and onboard atmospheric physical and chemical parameters, and optimizing a test platform; (4) monitoring vehicle-mounted and shipborne high-precision conventional meteorological parameters, physical parameters of cloud, main pollution gas and particles; (5) establishing a multiplatform integrated monitoring command and decision-making platform; and (6) establishing a multiplatform atmospheric monitoring data integration analysis and processing system to obtain the costal atmospheric combined pollution sky-ground integrated monitoring early-warning system. The multiplatform system disclosed by the invention is high in integration degree, and plays a demonstration role in the multi-scale and multiplatform fused sky-ground integrated monitoring technology and test organization.
Owner:NANJING UNIV
Intelligent distributed self-healing control method based on fault at 0.4kV side in distribution substation
InactiveCN104917171AEliminate monitoring blind spotsImprove the overall operation levelAc network circuit arrangementsEmbedded systemPower loss
The invention relates to an intelligent distributed self-healing control method based on a fault at a 0.4kV side in a distribution substation. The method is characterized by comprising the following steps: fault type judgment is carried out when power failure of a bus is detected, and when the fault is a low-voltage bus fault, the self-healing function is locked, and the fault is handled manually; when the fault is a low-voltage outgoing line protection refusal fault, an outgoing line switch is switched off, and a main switch is reclosed; when the fault is a low-voltage line fault, the main switch is reclosed; and when the fault is another fault, a bus coupler carries out self-healing. Automatic fault location, fault isolation, recovery of power supply to non-fault regions, and other functions at the 0.4kV side in a distribution substation are achieved, blind areas in 0.4 kV equipment monitoring are eliminated, the reliability of power supply is further improved, the level of integrated operation of distribution automation is improved in an overall manner, the equipment utilization rate is improved, power loss is reduced, and the electricity selling loss is lowered for power supply enterprises.
Owner:STATE GRID CORP OF CHINA +2
Power cable radar external damage protection system and external damage protection method thereof
ActiveCN110389340AExpand the scope of surveillanceTo achieve the monitoring effectRadio wave reradiation/reflectionElectricityAutomatic control
The invention discloses a power cable radar external damage protection system and an external damage protection method thereof, and belongs to the field of power system cable protection. The power cable radar external damage protection system comprises: a radar, a linkage video camera, an acousto-optic alarm unit, a monitoring host and a plurality of communication optical cables, wherein the radar, the acousto-optic alarm unit, the linkage video camera and the monitoring host are electrically connected through the communication optical cables; the radar, the linkage video camera, and the acousto-optic alarm unit are mounted on the same pole; and an image comparison program, a relative position calculation program, an automatic control program, and a manual control program are stored in themonitoring host. The power cable radar external damage protection system can reduces manpower, improves the efficiency of monitoring and preventing behaviors such as barbaric construction and thefts,promptly warns and stops such illegal activities, and monitors and records such behaviors so as to provide evidence.
Owner:南京及远电气科技有限公司
Method for finely and accurately comparing line losses based on smart-grid technology
ActiveCN102707156BSolve acquisition problemsEliminate monitoring blind spotsData processing applicationsResistance/reactance/impedenceDatabase interfaceSide information
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
Electric network ground montior
InactiveCN1913273BReduce RMSStable jobEmergency protective arrangements for automatic disconnectionTest channelEngineering
This invention provides an electric net earthing monitor, in which, the monitor system is composed of a general monitor and several sub-monitors, the earth information test channel is composed of a back-flow isolation diode, a back-flow control circuit, earth terminals and a mutual-inductor, the back-flow control circuit in the general monitor controls an alarm circuit and an action circuit at thesame time.
Owner:于世根
Space-time two-dimension train tracing method
ActiveCN100493971CEliminate false identification numbersEliminate monitoring blind spotsRailway signalling and safetyAutomatic controlSimulation
Owner:NANJING NRIET IND CORP
Construction site safety monitoring device and control system
InactiveCN112367504AEliminate monitoring blind spotsImprove securityMeasurement devicesClosed circuit television systemsImage acquisitionReliability engineering
The invention discloses a construction site safety monitoring device and a control system, the construction site safety monitoring device comprises a structure main body, the structure main body comprises a control terminal and a monitoring station, the control terminal is internally provided with a processor, and the processor is provided with a control system integrated with the processor; and the control system comprises an image acquisition module, a field personnel information acquisition module, an environment detection module, a danger alarm module, a data cache module, a data processing module and a wireless transmission module. The construction site safety monitoring device and the control system have the monitoring and prompting functions, when field personnel or vehicles enter adangerous area and do not wear safety helmets or safety accidents are about to occur due to actions of the field personnel, the alarm gives an alarm immediately, the buzzer gives an alarm sound, thealarm prompting lamp flashes constantly, on-site personnel or vehicles are prompted to exit the dangerous area, wear safety helmets and stop dangerous actions, so that the safety of a construction site is improved.
Owner:NANJING DONGQI INTELLIGENT MFG RES INST CO LTD +1
Intelligent Unmanned Aerial Vehicle Monitoring System
InactiveCN109257578AEliminate monitoring blind spotsAircraft componentsTelevision system detailsMonitoring systemEngineering
An intelligent unmanned aerial vehicle(UAV) monitoring system is composed of an unmanned aerial vehicle, a stop rack and a monitor end; a human body sensing module, a camera module, a control module,a positioning module and a communication module are arranged on the unmanned aerial vehicle; the human body sensing module and the camera module are installed at the bottom of the unmanned aerial vehicle; the control module, the positioning module and the communication module are installed in the UAV, the bottom of the UAV is provided with a stopping interface and a charging interface, the stopping rack is provided with an interface corresponding to the stopping interface and the charging interface of the bottom of the UAV, the monitoring end is an intelligent device equipped with the monitoring end software, and the communication module is also provided inside the monitoring end; when the control module of the unmanned aerial vehicle detects the human body through the human body sensing module at the bottom of the unmanned aerial vehicle; the UAV is controlled to fly above the human body and continuously track the position of the human body. At the same time, the camera at the bottomof the UAV photographs the position of the human body, and then the communication module in the UAV sends a prompt message to the communication module at the monitoring end.
Owner:李良杰
Railway track real-time monitoring system and data processing method thereof
InactiveCN102530028BEliminate monitoring blind spotsAchieve complete acquisitionElectric signal transmission systemsPower distribution line transmissionLine sensorBlind zone
The invention discloses a railway track real-time monitoring system and a data processing method thereof, and belongs to the filed of railway track safety. The railway track real-time monitoring system comprises a piezoelectric sensor, a collection box, a wireless sensor and a vibrator, wherein both the piezoelectric sensor and the vibrator are arranged on the railway track and connected with the collection box; the wireless sensor is arranged on a high-voltage power line; the collection box sends an encryption signal to the vibrator; the vibrator drives the railway track to generate the vibration; the piezoelectric sensor acquires a vibration audio signal on the railway track and sends the vibration audio signal to the collection box for processing; and the collection box transmits the vibration audio signal through the wireless sensor in a wireless or wired transmission way. In the invention, the vibration audio signal is taken as a data basis for analyzing the failure happening in front of a train, the monitoring blind zone of the railway track is eliminated, the integral collection of the fault analysis basis data is achieved, the failure happening in front of the train can be predicted through the data processing method, and the intelligentization and the netwoking of the monitoring system are improved greatly.
Owner:重庆安谐新能源技术有限公司
An Internet of Things Monitoring System for After-installation of Construction Machinery
ActiveCN111435232BPrecise positioningThe positioning of the positioning module is accurateProgramme controlComputer controlWireless transmissionMonitoring system
Owner:广州找重工科技有限公司
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