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33results about How to "Real time status" patented technology
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Washing machine detergent remaining quantity detection and display method
InactiveCN102936824AOvercoming adverse effects of detectionEasy to replenish in advanceOther washing machinesTextiles and paperElectrical resistance and conductanceEngineering
The invention discloses a washing machine detergent remaining quantity detection and display method, relating to the automatic feed technology of washing machines. A controller reads the temperature sensor resistance value in a detergent box, calculates according to the resistance value to obtain a delay time, reads a liquid level resistance value of an analog quantity liquid level sensor after the delay, and controls the corresponding display of display units based on the liquid level resistance value. At least two display units are provided, and at least one of the display units offers low-liquid level alarm display. Through the invention, the real-time detergent liquid level state can be accurately obtained and sectionally displayed by multiple display units, the remaining quantity is displayed more visually and clearly, and the using effect of the whole automatic feed system is improved.
Owner:WUXI LITTLE SWAN CO LTD
GIS and method with remote self-diagnosis function
InactiveCN107742922AReal time statusReal-time diagnosisCircuit arrangementsSustainable buildingsControl layerVideo sensors
The invention discloses a GIS and method with a remote self-diagnosis function. The GIS with the remote self-diagnosis function comprises a process layer, a partition layer and a station control layer; the process layer, the partition layer and the station control layer are in signal connection, and a built-in sensor device is designed on the basis of the GIS. The sensor device comprises a currentsensor, a travel sensor, an SF6 sensor, a partial discharge sensor, an ECVT, a video sensor, a vibration sensor and a lightning arrester sensor; the output end of the current sensor is in bidirectional signal connection with an intelligent terminal, and the output ends of the travel sensor, the vibration sensor, the video sensor, the lightning arrester sensor and the SF6 sensor are all in signalconnection with the input end of an online monitoring IED. Intelligent GIS monitoring point acquisition is integrated, and real-time online state evaluation and diagnosis are formed.
Owner:江苏京电电气股份有限公司
Method and system for monitoring wireless network user behaviors
The embodiment of the invention provides a method and a system for monitoring wireless network user behaviors. The method comprises that: a WEB Server receives a set monitoring condition; the WEB Server generates a configuration file according to the monitoring condition, and the configuration file comprises the monitoring condition; the WEB Server sends the configuration file to each App Server; in the proceeding process of mobile data service, each App Server transmits a command of starting a monitoring task to each front-end computer, and the command of starting the monitoring task comprises the configuration file; each front-end computer returns a user behavior record to the App Server to which the front-end computer belongs, and the user behavior record comprises a state of the mobile data service in the proceeding process; and the App Server receiving the user behavior record returns the user behavior record to a terminal through the WEB Server.
Owner:BEIJING ZHONGCHUANG TELECOM TEST
Fault protection device for monitoring working condition of ignition device of engine
ActiveCN106121829AEliminate work distractionsEliminate frequency shifting interferenceGas turbine plantsJet propulsion plantsElectricityComputer module
The invention discloses a fault protection device for monitoring the working condition of an ignition device of an engine, and aims at providing the fault protection device capable of effectively eliminating the interference of working circuits of the ignition device. The technical scheme of the fault protection device is as follows: in a data processing comparison control circuit, a sampling module is in series connection with a signal processing module and a data processing control module in proper sequence; the data processing control module is electrically connected to a display module and is electrically connected to a primary power supply end of the ignition device by a fault protection module; the sampling module performs signal sampling from a sampling interface of the ignition device; the signal processing module is used for carrying out compensation filtering on sampled signals and for feeding read current peak values into the data processing control module; and the data processing control module is used for carrying out data comparison, analysis and judgment on sampling frequency and / or the current peak values, for giving out a fault warning signal instruction to the display module, and meanwhile for controlling the fault protection module to disconnect a primary power supply of the ignition device, so that the device enters a fault locking state, and a starting switch loses efficacy.
Owner:四川泛华航空仪表电器有限公司
Detection circuit of active shielding wiring
ActiveCN103344874AFIB attack is not affected byHigh precisionElectrical testingProcess deviationsAudio power amplifier
The invention relates to a detection circuit of active shielding wiring, and belongs to the technical field of safety protection detection of chips. The circuit comprises a first-stage amplifier, a stored-value circuit, a second-stage amplifier, an A / D converter, a CPU controller, a write-once memory and a comparator. The first-stage amplifier is composed of a first amplifier, a plurality of switches and a plurality of detected shielded wires. One end of the stored-value circuit is connected with the output end of the first-stage amplifier. The other end of the stored-value circuit is connected with the positive input end of the second-stage amplifier. The input end of the A / D converter is connected with the output end of the second-stage amplifier. The output end of the A / D converter is connected with the input end of the comparator. The CPU controller is respectively connected with the first-stage amplifier and the write-once memory. The write-once memory is connected with the CPU controller and the comparator. The input end of the comparator is respectively connected with the output end of the write-once memory and the output end of the A / D converter. The detection circuit can reduce the influences of mismatch of the circuit, the process bias of the circuit and the temperature of the circuit, and therefore the accuracy of the detection circuit is improved.
Owner:TSINGHUA UNIV +1
Substation telecontrol device online fault diagnosis method
ActiveCN108848008ADoes not affect normal operationReal time statusCircuit arrangementsData switching networksControl systemDiagnosis methods
The invention relates to a substation telecontrol device online fault diagnosis method, comprising spacer layer equipment, a telecontrol device, a regulate and control system and a substation telecontrol device online fault diagnosis system. The spacer layer equipment and the telecontrol device are in communication connection with the regulate and control system. The substation telecontrol deviceonline fault diagnosis system obtains communication information between the regulate and control system and the telecontrol device, and between the telecontrol device and the spacer layer equipment through two mirror ports. The substation telecontrol device online fault diagnosis system accesses a scheduling data network. According to the method, online diagnosis can be carried out on fault condition of a telecontrol channel, and working efficiency is greatly improved.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +1
A method for evaluating a health index of a real-time state of a transformer
InactiveCN109408968AReal-time status evaluationReal-time evaluationDesign optimisation/simulationResourcesHealth indexState prediction
The invention discloses a method for evaluating a health index of a real-time state of a transformer, which comprises the following steps of: (1) formulating the health index of the transformer for representing the capability degree of maintaining the specific performance of the transformer, and selecting six types of core dynamic parameters capable of representing the state of the transformer according to the characteristics of the transformer; (2) determining a degradation degree and a corresponding deduction value of each type of core dynamic parameters according to a set evaluation guide rule, and determining a weight coefficient of each type of core dynamic parameters to form a state evaluation system; and (3) calculating the score according to the deduction value of the core dynamicparameter in the state evaluation system, and forming the health index of the real-time state of the transformer. According to the method, real-time and quantitative equipment state evaluation can becarried out on the transformer, so that operation and maintenance personnel can grasp the change trend of the equipment state in real time, fine and real-time evaluation and state prediction of the equipment state are realized, and a basis is provided for active operation and maintenance and intelligent decision making of the equipment.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
Monitoring system of big data platform
InactiveCN106407072AAchieve unificationRealize visualizationHardware monitoringSpecial data processing applicationsInformatizationExtensibility
The invention discloses a monitoring system of a big data platform in the technical field of data monitoring. The monitoring system comprises an analog quantity data source and a state quantity data source which are both in electric output connection with a data acquisition module; and a data management unit is electric two-way connection with a data distributed storage system and an operation and maintenance management unit. By establishing an integrated resource running state monitoring management system, unified, visual and controllable management of a running state of the big data platform and informationized resources is realized; by adopting the distributed storage system, high-concurrency read-write demands of big data time on a database, the demands on high-efficiency storage and access of massive data, and the demands on high expansibility and high availability of the database can be met; and the system has good transverse expansion, copy and partitioning capabilities, and can display the running state of operation of the big data platform in real time and perform statistical analysis on the operation.
Owner:北京高地信息技术有限公司
Documentdelivery method and device, computer equipment and storage medium
InactiveCN110838193ARealize reasonable schedulingReal-time statusIndividual entry/exit registersEngineeringDatabase
The application relates to a document delivery method and device, computer equipment and a storage medium. The method comprises the steps of: by a cloud server, receiving storage information of a document storage cabinet, which is sent by a local server, wherein the storage information comprises a to-be-opened box identifier, data document information and information of a user who is to pick up adocument; generating a pick-up code according to the storage information, and sending pick-up information with the pick-up code to a terminal of the user who is to pick up the document; and by the local server, acquiring the pick-up code displayed by the terminal of the user who is to pick up the document, and opening a cabinet box corresponding to the to-be-opened box identifier according to thepick-up code. In the application, by interaction among the cloud server, the local server and the terminal, document intelligent delivery based on the document storage cabinet is implemented; and in the pick-up process, the user who is to pick up the document can open the document storage cabinet to extract the data document by the pick-up code after being subjected to identity authentication, sothat document delivery efficiency and document delivery accuracy are improved.
Owner:浙江大搜车软件技术有限公司
Electric purging control device for fuel cell bus
PendingCN111114500AImprove control efficiencyImprove control accuracyPropulsion by batteries/cellsVehicle cleaningControl theorySystem controller
The invention relates to an electric purging control device for a fuel cell bus. The electric purging control device is connected to a fuel cell system, and the fuel cell system comprises a fuel cellsystem controller, a sweeping module connected with the fuel cell system controller and a whole vehicle ON-gear power supply follow-up control loop. The electric purging control device is characterized in that it comprises an emergency power-off switch, a fuel cell system work request switch and a signal processing module; the fuel cell system work request switch is connected with the input end ofthe fuel cell system controller; the output end of the fuel cell system controller is connected with the input end of the signal processing module; the emergency power-off switch is connected with the input end of the signal processing module; and the output end of the signal processing module is connected with the whole vehicle ON-gear power supply follow-up control loop in parallel. Compared with the prior art, the method has the advantages of improving the safety, reducing the failure rate of the whole vehicle and the like.
Owner:SHANGHAI SUNLONG BUS
Apparatus for measuring temperature of substrate and the method thereof
ActiveCN111089659AReal-time measurement of temperatureReduce the incidence of adverse eventsThermometer detailsSemiconductor/solid-state device testing/measurementEngineeringMaterials science
The present invention relates to a substrate temperature measuring device and a substrate temperature measuring method and, more specifically, to a substrate temperature measuring device and a substrate temperature measuring method, which can measure the temperature of a substrate in a substrate processing process in real time. To this end, according to the present invention, the substrate temperature measuring device includes a probe which vertically penetrates a substrate support for supporting the substrate to perform the substrate processing process, and which has an upper end protruding from an upper surface of the substrate support. The upper end of the probe is formed to measure the temperature by being in contact with a lower side of the substrate.
Owner:SUBARU TECNICA INTERNATIONAL
Bituminous mixture loading system based on machine vision and control method
ActiveCN106553990ASimple structureReasonable designLiquid transferring devicesRotary encoderAutomotive engineering
The invention discloses a bituminous mixture loading system based on machine vision and a control method. The system comprises a compartment type loading chamber, a loading door mechanism, a vehicle mobile platform and a machine vision control system. The vehicle mobile platform comprises a track flat plate, a longitudinal beam support, a roller mechanism and a roller driving mechanism. The machine vision control system comprises a control module, an illumination device, a rotating encoder, a pressure sensor, a camera and a photoelectric sensor. The control method comprises the first step of preparation work before loading of a bituminous mixture, the second step of setting of loading parameters of the bituminous mixture, the third step of rapid flat laying and loading, the fourth step of accurate flat laying and loading and the fifth step of unloading of a loading vehicle and scattered material recovery. According to the bituminous mixture loading system, design is reasonable, operation is easy and convenient, the using effect is good, the bituminous mixture loading process is controlled in real time, automatic flat laying type loading is achieved for the bituminous mixture, loading separation of the bituminous mixture is effectively reduced, and environmental pollution is reduced.
Owner:CHANGAN UNIV
Marine hose status monitoring system
InactiveCN108603621AAvoid damageMaster stretch deformationDetection of fluid at leakage pointCargo handling apparatusElectrical resistance and conductanceSurface layer
Provided is a marine hose status monitoring system capable of definitively ascertaining the status of a marine hose even in harsh operating environments. The present invention involves: extending a conductive rubber 8 inside the outer-surface layer 7 of a marine hose 1 obtained by connecting a connection fitting 2 to both end sections in the lengthwise direction of a hose body 3 constructed by layering an inner-surface layer 4, a reinforcing layer 5, and an outer-surface layer 7, in order from the inner-circumferential side; using a resistance detection mechanism 9 to detect the electric resistance between two or more locations separated from one another in the direction of extension of the conductive rubber 8; storing the detection data in a storage unit 10; and ascertaining the status ofthe marine hose 1 on the basis of the detection data.
Owner:THE YOKOHAMA RUBBER CO LTD
Detection method of dynamic micronic dust in etching reaction chamber
InactiveCN1213290CSimulate the pollution situationLow costElectric discharge tubesOptically investigating flaws/contaminationEngineeringMicroparticle
A detecting method for the state of micro-dust pollution features that a photoresistive control piece put on the etching machine is transported to the main etch room. With the plasma source being started, the procedure for etching the photoresistive layer of the control piece is carried out. Then, the number of microparticles on the control piece etched is determined, in order to judge the state of the etching machine.
Owner:MACRONIX INT CO LTD
Charge and discharge control apparatus and intelligent battery
InactiveCN106374547AReduce lossSolve potential safety hazardsBatteries circuit arrangementsElectric powerElectrical batteryCharge and discharge
The invention provides a charge and discharge control apparatus and an intelligent battery. The charge and discharge control apparatus comprises a servo module and an acquisition module. The acquisition module realizes acquisition and transmission of various parameters in the application process of a lead acid storage battery and enables a user to accurately grasp the state of the battery in real time. Besides, the acquisition module, according to the battery parameters, calculates conduction and breaking time of the battery and controls the servo module to perform charge and discharge control on the lead acid storage battery. Therefore, when the lead acid storage battery is at an abnormal state, loss of the lead acid storage battery can be reduced by interrupting or restarting charge and discharge of the lead acid storage battery. The acquisition module and the servo module complete maintenance of the battery together, enable the battery to be at an optimal working state, solve the problem of safety hidden risks of a standby battery of a base station, prolong the service life of the battery and reduce pollution to the environment.
Owner:BSB POWER COMPANY
Power grid topology analysis high-performance calculation method and device based on GPU acceleration
ActiveCN111553040AEnsure consistencyGuaranteed execution efficiencyGeometric CADDesign optimisation/simulationComputational scienceConcurrent computation
The invention discloses a power grid topology analysis high-performance calculation method and device based on GPU acceleration, being characterized by according to layering and partitioning characteristics of a power grid model, and abstract characteristics of power grid calculation requirements, carrying out abstract modeling on various components in a power grid, and saving power grid information in a system memory, so that the consistency of data formats between different devices of a CPU and a GPU is kept while the CPU and the GPU can share use data, and the execution efficiency and stability of parallel network topology analysis are guaranteed. The power grid topology analysis high-performance calculation method and device based on GPU acceleration apply the GPU universal parallel computing technology to the power grid network topology analysis, thus improving the execution efficiency of the power grid network topology analysis, and providing real-time support for online analysisand calculation of a large-scale parallel power grid, so that the real-time state of a power grid structure can be obtained more timely during subsequent computing application.
Owner:NARI TECH CO LTD +3
Online monitoring system and method for VOCs treatment device
PendingCN114090681AReal-time statusReal-time prediction of treatment effect trendsGas treatmentVisual data miningData packAnalysis data
The invention discloses an on-line monitoring system and method for a VOCs processing device, the on-line monitoring system comprises a signal collection and processing unit, a data storage and analysis unit and a monitoring application unit, the signal collection and processing unit can simultaneously acquire real-time operation condition data of various VOCs processing devices in an operation state; the data processing unit is used for processing operation condition data, performing first preprocessing on the operation condition data to generate a to-be-stored analysis data packet, transmitting the to-be-stored analysis data packet to the data storage and analysis unit, performing processing classification and analysis on state monitoring data of processing equipment by utilizing a machine learning algorithm, and uploading an analysis result to the monitoring application unit at the same time; the computer network service architecture and service are utilized to realize the functions of dynamic alarm, visual monitoring board, equipment management, waste gas treatment state analysis and the like, so that the downtime of the equipment is shortened, the maintenance cost of the equipment is reduced, and the loss of increased pollutant emission caused by equipment damage is also reduced.
Owner:CSSC POWER INST CO LTD
Security integrated video and audio recording module
InactiveCN102905121AReduce volumeEasy to operateTelevision system detailsColor television detailsMonitoring statusCard reader
The invention discloses a security integrated video and audio recording module. An image capturing module and a sound capturing module are respectively connected with a video and audio storage module, an image display module and a speaker are used for playing an image and sound through calling image and sound information of the video and audio storage module, a power supply module supplies power to the image capturing module, the sound capturing module, the video and audio storage module, the image display module and the speaker; and the video and audio storage module is a flash storage and an MCU (Microprogrammed Control Unit), and the MCU is connected with the flash storage. Compared with the prior art, the security integrated video and audio recording module provided by the invention has the advantages of small volume, convenience for operation and reading, and capabilities of directly reading contents of the storage module, searching a monitoring state and a record in real time and storing the contents on other devices through a card reader.
Owner:GUANGZHOU VIDEO STAR ELECTRONICS
Visual intelligent monitoring safe case
The invention discloses a visual intelligent monitoring safe case. The visual intelligent monitoring safe case comprises a case body (1) provided with a case door (2), wherein a safety lock is arranged on the case body. The visual intelligent monitoring safe case is characterized in that a camera (11), a display screen (3), a power module, a communication module and a key module are arranged on the case body; the camera and the display screen are positioned on a panel (10) at the case door. The visual intelligent monitoring safe case has the remote visual monitoring function and is high in safety.
Owner:SHENZHEN QIXIN GRP LLC
Load detecting device
InactiveCN109341911AImplement automatic detectionRealize automatic operationForce measurementScrewsTime conditionEmbedded system
A load detecting device is capable of automatically detecting the load of a bolt, and prompting a real-time condition of the load even if a fixed member to which the bolt is disposed is in a moving state. The load detecting device detects the load on the bolt, characterized by comprising a cover member, a housing as a main body portion of the load detecting device, and an ultrasonic probe. One endside of the housing is covered by the cover member. The ultrasonic probe is disposed on a side of the housing opposite to the cover member. The cover member is provided with a prompting member capable of prompting different states of the load to which the bolt is currently subjected. A control chip with a load algorithm is disposed in the housing. The ultrasonic probe is screwed with an externalthread or an internal thread of the detected bolt, which is dedicated to mounting the ultrasonic probe, by the internal thread or the external thread engraved on the ultrasonic probe, thereby being directly disposed on the bolt.
Owner:COMAC +1
Remote control system and method of motor vehicle
InactiveCN108134988AReal time statusReal time locationInformation formatContent conversionRemote controlMotor vehicle crash
The invention discloses a remote control method and a remote control system of a motor vehicle. The method comprises the steps of 1, controlling equipment to encrypt command information, and carryingthe encrypted command information to a Beidou message; 2, sending the Beidou message carrying the encrypted command information to a Beidou satellite system; 3, receiving the Beidou message carrying the encrypted motor vehicle information from the Beidou satellite system; and 4, extracting the encrypted motor vehicle information from the received Beidou message, and using a decryption mode corresponding to the encrypted motor vehicle information of vehicle-mounted equipment for decrypting, and acquiring motor vehicle information. According to the method and the system provided by the invention, the problem that a traditional remote control method is poor in information stability and small in signal coverage range can be solved, and the state information and position of the vehicle can be remotely collected in real time.
Owner:HAIER YOUJIA INTELLIGENT TECH BEIJING CO LTD
Storage device
The embodiment of the invention discloses a storage device, which comprises a storage space, an electronic lock, an electronic lock controller, a radio frequency identification (RFID) electronic chip, a panel antenna, an RFID reader and a processor, wherein the storage space is used for placing an object, the electronic lock controller controls the on-off state of the electronic lock, records the state information of the electronic lock and sends the state information of the electronic lock, the RFID electronic chip is arranged on the stored object, the panel antenna is arranged in the storage space, the RFID reader scans the storage space at regular time through the panel antenna, obtains identification codes of the RFID electronic chip on the object in the storage space and sends the identification codes, and the processor judges the state of the object according to the state information of the electronic lock and the information of the identification codes and sends the state information of the object. The storage device provided by the invention has the advantages that the identification codes on the object in the device and the on-off state of the electronic lock are read, the state of the object is judged according to the identification codes and the on-off state, and the state of the object is sent out so that object owners can know the state of the object in real time.
Owner:上海禾阳数据科技有限公司
Processing method and processor for influence of high-speed aircraft tail flame on data transmission
ActiveCN111142785ASolve the problem of intermittent lossReal time statusInput/output to record carriersRegistering/indicating working of vehiclesReal-time dataControl signal
The invention provides a processing method and a processor for influence of high-speed aircraft tail flame on data transmission. The method comprises the following steps: 1) writing real-time data into a memory according to a system rate sequence; 2) reading out the data (delay data) stored in the memory according to a system rate sequence; 3) inserting the delay data into the real-time data through a control signal to form summarized data, and 4) counting the difference between the real-time frame count code and the delay frame count code in the summarized data through a frame count code, andcalculating the delay time of the delay data through a formula.
Owner:BEIJING RES INST OF TELEMETRY +1
A machine vision-based asphalt mixture loading system and control method
ActiveCN106553990BSimple structureReasonable designLiquid transferring devicesMachine visionControl system
The invention discloses an asphalt mixture loading system and control method based on machine vision. The system includes a van loading room, a material door mechanism, a vehicle moving platform and a machine vision control system. The vehicle moving platform includes a crawler flat plate , a longitudinal beam support, a roller mechanism and a roller driving mechanism, the machine vision control system includes a control module, an illumination device, a rotary encoder and a pressure sensor, as well as a video camera and a photoelectric sensor; the control method includes: step 1, asphalt mixture loading Preparations before the vehicle; Step 2, setting the loading parameters of the asphalt mixture; Step 3, fast flat loading; Step 4, precise flat loading; Step 5, pouring out the loading vehicle and recycling the material. The invention has the advantages of reasonable design, simple operation and good use effect, real-time control of the loading process of the asphalt mixture, realizing automatic flat loading of the asphalt mixture, effectively reducing the loading segregation of the asphalt mixture, and reducing environmental pollution.
Owner:CHANGAN UNIV
Three-dimensional monitoring system for intelligent factory
PendingCN114513641AReal-time statusRealize real-time monitoring and displayTelemetry/telecontrol selection arrangementsClosed circuit television systemsSmart factoryExternal data
The three-dimensional monitoring system comprises a logic processing center, a data analysis processing center, a heterogeneous data communication integration center, a scene integration control center, a scene interaction processing center, a twin scene model management center and a man-machine interaction processing center. Wherein the input and output end of the data analysis and processing center is bidirectionally and electrically connected with the input and output end of the logic processing center; the input end of the heterogeneous data communication integration center is electrically connected with the output end of a heterogeneous external data source; the output ends of the scene integration control center and the scene interaction processing center are electrically connected with the twin scene model management center; and the twin scene model management center is accessed to the logic processing center through a subscription transfer service interface. The system realizes real-time monitoring display of real-time operation of equipment, real-time production orders, real-time states of vehicles, quality statistical reports and virtual-real linkage monitoring.
Owner:BEIJING INST OF COMP TECH & APPL
Method and system for monitoring wireless network user behaviors
The embodiment of the invention provides a method and a system for monitoring wireless network user behaviors. The method comprises that: a WEB Server receives a set monitoring condition; the WEB Server generates a configuration file according to the monitoring condition, and the configuration file comprises the monitoring condition; the WEB Server sends the configuration file to each App Server; in the proceeding process of mobile data service, each App Server transmits a command of starting a monitoring task to each front-end computer, and the command of starting the monitoring task comprises the configuration file; each front-end computer returns a user behavior record to the App Server to which the front-end computer belongs, and the user behavior record comprises a state of the mobile data service in the proceeding process; and the App Server receiving the user behavior record returns the user behavior record to a terminal through the WEB Server.
Owner:BEIJING ZHONGCHUANG TELECOM TEST
Integrated meter reading method and system
InactiveCN111081004AReduce power consumptionReal-time data collectionElectric signal transmission systemsComputer hardwarePrivate network
The invention discloses an integrated meter reading method and system. The method comprises the steps that: a remote server transmits a meter reading instruction to an electric meter to which a targetinstrument belongs through an LTE230 power private network, and the meter reading instruction carries the equipment information of the target instrument; the electric meter sends the meter reading instruction to the target instrument through LoRa communication after waking up the target instrument according to the meter reading instruction; the target instrument returns corresponding instrument data to the electric meter through LoRa communication according to the meter reading instruction; and the electric meter sends the instrument data to the remote server through the LTE230 power privatenetwork. According to the invention, the real-time data acquisition and state monitoring can be carried out on the instrument, the implementation cost is low, and the system is safe, reliable and easyto maintain.
Owner:POTEVIO INFORMATION TECH
Feeder automation test system
InactiveCN112649698ALive configurationReal time statusFault locationTest powerInterference (communication)
The invention discloses a feeder automation test system which comprises a control unit, a power amplifier and an interference generator. The control unit is used for completing analog quantity output amplitude and angle control, analog quantity output recovery correction and communication control, and carrying out feeder automation testing; and the power amplifier is used for amplifying a weak voltage signal into an alternating current signal and an alternating voltage signal and outputting the alternating current signal and the alternating voltage signal through the analog quantity output module, and the interference generator analyzes and interferes the signal input into the control unit through the digital quantity input module and sends out a control signal of the control unit through the communication control module. Analog quantity output amplitude and angle control, analog quantity output recovery correction and communication control are completed through the control unit, comprehensive and wide feeder automation testing is carried out, fault information and interference data are input through the interference generator, real-time parameter configuration and operation state monitoring are achieved, and a testing result is more accurate.
Owner:THE NORTHERN RES INST OF NJUST
Multifunctional concrete structure reinforcement corrosion rate detector and detection method
InactiveCN110018110AImprove reliabilityImprove stabilityWeather/light/corrosion resistanceWireless transmissionModularity
The invention provides a multifunctional concrete structure reinforcement corrosion rate detector. The multifunctional concrete structure reinforcement corrosion rate detector comprises a power supplymodule, a host module, a sensor module, an environment detection module, a human-computer interaction module, a wireless transmission module, a connection cable and wires; the power supply module provides power to the integral detector, and is connected with the host module and the wireless transmission module by the wires; and the host module is a core part of the integral detector, is connectedwith the sensor module by the connection cable, and is respectively connected with the environment detection module, a display module and the wireless transmission module by the wires. The multifunctional concrete structure reinforcement corrosion rate detector has the beneficial effects that the multifunctional concrete structure reinforcement corrosion rate detector adopts the human-computer interaction operation in a touch mode and is simple and convenient to operate; modular design is adopted, and reliability and stability of a detection device are improved; and nondestructive quantitative detection of various technical parameters is adopted, a concrete structure can be comprehensively and effectively evaluated, and detection is accurate and efficient.
Owner:苏州宽运检测技术有限公司
A detection circuit for active shielded wiring
ActiveCN103344874BFIB attack is not affected byHigh precisionElectrical testingProcess deviationsAudio power amplifier
Owner:TSINGHUA UNIV +1
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