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60results about How to "Accurate data collection" patented technology
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Power battery monitoring management system and method based on Internet
InactiveCN119270096AAccurate data collectionRich data baseElectrical testingElectrical batteryInternal resistance
The invention relates to the technical field of battery monitoring and management, and discloses a power battery monitoring and management system and method based on the Internet, and the system comprises a data collection unit, a preprocessing unit, a data transmission unit, a feature extraction unit, a data analysis unit, a fault diagnosis unit, and a remote management unit. In battery state evaluation, the charge state is calculated by combining an ampere-hour integral method with an open-circuit voltage method, and errors are calibrated and reduced; the health state is calculated through the internal resistance change rate, maintenance or replacement requirements can be prompted in time, voltage, temperature, charge and health state parameter trends are analyzed through setting observation points, faults including potential faults are efficiently diagnosed in combination with normal threshold value comparison and change rate comparison, and finally a user can remotely check the visual battery state. When a fault occurs, an instruction can be sent remotely, control such as power limiting and balance operation starting is achieved, and convenience and high efficiency are achieved.
Owner:FUZHOU INSTITUE OF TECH
Virtual power plant resource optimal configuration method and system
ActiveCN119476781Aincrease flexibilityImprove response speedGeneration forecast in ac networkLoad forecast in ac networkConfiguration optimizationControl engineering
The invention relates to the technical field of resource configuration optimization, in particular to a virtual power plant resource optimal configuration method and system. The method comprises the following steps: obtaining energy load storage resource data corresponding to each power generation unit in a virtual power plant, and carrying out power generation power prediction analysis and energy storage equipment charge and discharge state analysis on each power generation unit in the virtual power plant; the energy power generation power corresponding to each power generation unit and the charging and discharging operation state data of the energy storage equipment are obtained; performing resource operation load demand prediction analysis on the corresponding power generation units to obtain resource operation load demand prediction quantities corresponding to the power generation units; and carrying out resource configuration optimization target analysis on each power generation unit in the virtual power plant to obtain a virtual power plant power generation unit resource configuration optimization target and resource optimization configuration processing so as to generate a virtual power plant power generation unit resource optimal configuration scheme. According to the invention, efficient optimal configuration of each power generation unit resource in the virtual power plant can be realized.
Owner:ECONOMIC & TECH RES INST OF STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD +1
Industrial robot control method and system based on digital twinning
InactiveCN119188740AAccurate data collectionaccurate analysisProgramme-controlled manipulatorCosmonautic condition simulationsSimulationVirtual robot
The invention discloses an industrial robot control method and system based on digital twinning, and belongs to the technical field of robot control, and the method specifically comprises the steps: collecting the data of an entity industrial robot, building a digital twinning model of a virtual robot and related corollary equipment, and carrying out the digital twinning model of the virtual robot and related corollary equipment in a virtual simulation engine Unity, the method comprises the following steps: configuring a digital twinborn model of a virtual robot and a related environment, performing visual rendering on a scene where the virtual robot is located, displaying a rendered picture on terminal display equipment in real time, obtaining a robot operation instruction, analyzing, synchronously transmitting the operation instruction, and controlling the posture of the robot, according to the method, the physical robot and the virtual robot can be dynamically synchronized by adjusting the physical robot, or the virtual robot and the physical robot can be dynamically synchronized by adjusting the virtual robot, the effect is good, the pertinence is high, the actual operation of each student can be implemented, the safety coefficient is high, and the personal safety cannot be influenced in the real operation.
Owner:SHANGHAI KUMAO ROBOT CO LTD
Industrial internet of things edge gateway system and data processing method thereof
InactiveCN119652941Aeasy accessLower access costsTransmissionTotal factory controlData transformationAnomaly detection
The invention discloses an industrial Internet of Things edge gateway system and a data processing method thereof, and the system comprises a data conversion module which is used for converting source JSON data in a specific format into target JSON data in a template format through a predefined template; the data acquisition module uses a configurable data acquisition pipeline as a northbound application node, binds the northbound application node with a southbound equipment node, receives data transmitted by equipment, and dynamically adjusts a data acquisition strategy through configuration management; the northbound AI reasoning module is used for being bound with a southbound equipment node and performing edge side model reasoning according to data transmitted by equipment to obtain an anomaly detection result; and the internal API of the edge gateway system is used for writing in the internal data point of the PLC or sending an information notification to a specified cloud end. By adopting the technical scheme of the invention, the data processing capability is improved, and the intelligent level of the system is enhanced.
Owner:OCEAN UNIV OF CHINA
Landslide disaster-bearing body identification method fusing unmanned aerial vehicle DOM and residual Unet transfer learning algorithm
PendingCN119107571Aimprove performanceaccelerated trainingImage enhancementImage analysisBody identificationAlgorithm
The invention relates to a landslide disaster-bearing body identification method fusing an unmanned aerial vehicle DOM and a residual Unet transfer learning algorithm, and the method comprises the steps: obtaining landslide data, controlling an unmanned aerial vehicle to carry out the simulated flight according to the landslide data, collecting image data, processing the image data, and obtaining a landslide orthoimage map; inputting the processed landslide orthoimage into a Res-Unet model to obtain a disaster-bearing body identification result; wherein the Res-Unet model is obtained by taking a pre-trained ResNet-34 network as a backbone network to replace an encoder structure of the Unet model, and updating parameters through training iteration by utilizing a training set; in the training process of the training set, the ResNet-34 network serves as a backbone network to carry out cross-layer transmission on training samples in the training set and add the training samples with a convolution result so as to consider the Res-Unet model with more features. According to the invention, quicker and more accurate target area monitoring and data acquisition can be realized, and the method is suitable for application scenes requiring high precision and high real-time requirements.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
A construction site safety assessment system
ActiveCN117952425Breal-time transmissionAccurate data collectionConstruction engineeringData acquisition
The present invention belongs to the field of construction site safety technology, specifically a construction site construction safety assessment system, the system includes: a scene reconstruction design module, a data perception module, a data communication module and a data processing module. The present invention has the beneficial effects of being able to realize real-time, accurate and comprehensive data collection and transmission of construction sites, improving the data quality and timeliness of construction safety assessments; being able to realize clear, intuitive and dynamic scene reconstruction and display of construction sites, improving the visualization and interactivity of construction safety assessments; being able to realize scientific, objective and consistent risk analysis and assessment of construction sites, improving the systematicness and reliability of construction safety assessments; being able to realize efficient, accurate and intelligent design and construction optimization and adjustment of construction sites, improving the optimization and automation of construction safety assessments.
Owner:FUJIAN ZHONGLIN ENG CONSTR CO LTD +1
Battery management system and operation method of battery management system
PendingCN119261667AAccurate data collectionElectric devicesBattery/fuel cell control arrangementElectrical batteryBattery cell
The invention discloses a battery management system and an operation method of the battery management system. The system comprises a battery data acquisition module used for acquiring related data of a battery and / or a battery pack; the charging and discharging management module is used for performing charging and discharging control on the battery and / or the battery pack based on the operation state of the battery and / or the battery pack; the battery data correction module is used for correcting the related data of the battery and / or the battery pack based on a preset compensation algorithm; the fault information recording and inquiring module is used for storing fault information generated in the life cycle of the battery and / or the battery pack and providing inquiry; and the low-power-consumption operation module is used for controlling the battery management system to enter a low-power-consumption operation mode when the battery management system and the battery and / or the battery pack meet specified states. The battery management system has more perfect functions, data acquisition is more accurate, and more electricity is saved.
Owner:SHENZHEN RISHENGZHI ELECTRONICS TECH
Transparent visual power grid operation and maintenance system
InactiveCN119561255Aimprove accuracyImprove reliabilityInformation technology support systemAc network circuit arrangementsData acquisitionEmbedded system
A transparent visual power grid operation and maintenance system comprises a data acquisition and preprocessing module which is composed of a sensor network and SCADA system docking unit and a data preprocessing unit; the data processing and analysis module is composed of a fault prediction and diagnosis unit, an operation and maintenance strategy optimization unit and a three-dimensional modeling and dynamic simulation unit; the visual display and user interaction module is composed of an AR / VR interface development unit and a user-defined interface and report generation unit; and the system integration and communication module is composed of a standardized API interface and cloud platform unit and a remote access and cooperation unit, and the scheme of the invention solves the problem that the complexity of power grid operation and maintenance system data causes that detection information is difficult to provide visually, thereby affecting the operation and maintenance work quality and efficiency.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD SUZHOU BRANCH
Transformer substation current transformer transformation ratio on-site checking method
InactiveCN119619969Aimprove accuracyAccurate data collectionElectrical measurementsInformation technology support systemMoving averageFilter algorithm
The invention relates to the technical field of power system detection, and discloses a transformer substation current transformer transformation ratio field checking method and device and a distributed system. The method comprises the following steps: acquiring operation data of the current transformer through various high-precision sensors, and training and predicting by using a deep learning RNN algorithm processing unit after data storage, preprocessing and feature extraction. The data acquisition unit comprises a plurality of sensors, the data preprocessing unit processes data by using a moving average filtering algorithm and a linear interpolation method, and the feature extraction unit extracts features by using an ARMA model and a weighted summation method. The device comprises a plurality of processing units which are connected through a data bus and are arranged in a cabinet with heat dissipation and electromagnetic shielding performance. The distributed system comprises a plurality of checking devices, and is connected with the central server through a local area network, thereby achieving the comprehensive monitoring of the transformation ratio of the current transformer of the transformer substation. The method improves the verification accuracy and real-time performance, fully considers the influence of environmental factors, and is efficient, convenient and high in reliability.
Owner:MARKETING SERVICE CENT OF STATE GRID HENAN ELECTRIC POWER CO
A fire resistance performance detection system and detection method for composite materials for fire-resistant cables
ActiveCN118937402BAccurate data collectionImprove test efficiencyImage enhancementImage analysisSensor arrayData acquisition
The present invention relates to a fire resistance performance detection system and detection method for composite materials for fireproof cables. The system includes a detection main control computer, a data analysis module, a data acquisition module, a heating control module, a thermal imaging module, an internal sensor array and an external sensor array. The method includes preparing samples of different thicknesses and wire diameters, installing them in the detection system, simulating a high temperature environment through a heating control module, using internal and external sensor arrays and a thermal imaging module to monitor temperature changes in real time, a data acquisition module to collect data, and a data analysis module to process data and evaluate the fire resistance of the sample. In addition, the method also includes a performance estimation model established based on test data for predicting the performance of unknown samples, and establishing a fire resistance performance database to achieve efficient management and query of test data. The system and method can provide fast, accurate and comprehensive fire resistance performance evaluation, and are suitable for fireproof cable materials of different types and specifications.
Owner:ANHUI GUODIAN CABLE CO LTD
Time synchronization method and system for multi-sensor fusion
ActiveCN119276404AAccurate data collectionGuaranteed accuracyNavigation by speed/acceleration measurementsTime-division multiplexData acquisitionSensor fusion
The invention discloses a time synchronization method and system for multi-sensor fusion, and the method comprises the steps: enabling a positioning sensor to transmit correction time to a calculation platform, so as to enable the calculation platform to correct the system time according to the correction time; after the calculation platform carries out time correction, PWM signals of various frequencies are generated, and the laser radar, the inertial navigation and the camera are synchronously driven to carry out data acquisition, so that time synchronization during multi-sensor fusion is realized. According to the method, the sensors synchronously collect data based on the computing platform, data collection is carried out under the unified time reference, accurate synchronization of the data of the multiple sensors can be achieved, in addition, the time synchronization method does not need interpolation operation, the calculation amount can be reduced, computing resource occupation can be reduced, and therefore the requirement for autonomous moving tasks with high real-time performance can be met.
Owner:HUBEI LUOJIA LAB
Three-eye electrode
ActiveCN222110041Umeet collectionincrease the areaSensorsDiagnostic recording/measuringEngineeringMaterials science
The utility model discloses a three-eye electrode. The three-eye electrode comprises a substrate, three conductive electrodes are arranged on the substrate in an equilateral triangle shape, the conductive electrodes are used for collecting electromyographic signals, an anti-adherent film is arranged on one side of the substrate, and grooves used for installing the conductive electrodes are formed in the anti-adherent film. According to the three-eye electrode, the three conductive electrodes in the shape of the equilateral triangle are arranged on the substrate, the area, attached to the human body, of the three-eye electrode is larger, a plurality of electromyographic signals can be collected at the same time through the three conductive electrodes, data collection is more accurate, meanwhile, the specification of the three-ring-shaped substrate is small, the three conductive electrodes are tightly arranged on the substrate, and therefore the electromyographic signals can be collected more accurately. Under the condition that a substrate with a small area is adopted, a plurality of electromyographic signals can be collected at a time.
Owner:TSUEN SIN (SHANGHAI) MEDICAL TECH CO LTD
Piezoelectric sensor based on superlattice structure and manufacturing method
PendingCN119124410AAccurate data collectionlow costForce measurement using piezo-electric devicesFiberMechanical engineering
The invention relates to a piezoelectric sensor based on a superlattice structure and a manufacturing method, the piezoelectric sensor comprises a plurality of piezoelectric fibers, the piezoelectric fibers are bent into a periodic shape, and the periodic shape comprises an arrow shape or a semi-honeycomb shape; the bent piezoelectric fibers are sequentially connected to form a piezoelectric fiber net, and the piezoelectric fiber net is attached to the complex curved surface; the manufacturing method adopts the structure. Compared with the prior art, the bent piezoelectric fibers are sequentially connected to form the piezoelectric fiber net, the piezoelectric fiber net can be attached to a complex curved surface, and data collection is more accurate; a plurality of piezoelectric fibers are applied, a shielding electrode and a core electrode are led out of the two sides of each piezoelectric fiber respectively and serve as a grounding electrode and signal electricity, and multi-channel pressure sensing is provided; the preparation method is low in cost and can realize large-scale production; the expandability is high, and the number of the piezoelectric fibers can be increased or decreased according to the attaching area.
Owner:TONGJI UNIV
Experimental device and method for exploring attack effect of underwater near-field explosion on small-size and small-mass target
ActiveCN119245985Aimprove scienceImprove applicabilityNuclear energy generationShock testingMarine engineeringClassical mechanics
The invention belongs to the technical field of underwater explosion experiments, and particularly relates to an experimental device and method for exploring the attack effect of underwater near-field explosion on a small-size and small-mass target. The experimental device provided by the invention shows excellent advantages in the aspect of improving scientificity and applicability of an underwater near-field explosion experiment, and lays a solid foundation for deeply researching a damage mechanism of a small-size and small-mass target; according to the invention, a modular and flexible design is adopted, accurate and synchronous data acquisition, non-contact parameter extraction and intelligent nonlinear motion analysis can be realized, the system adapts to a complex experiment scene, a reliable experiment platform is provided for research on a damage mechanism of a small target, and a technical foundation is laid for attack and defense tests of an underwater unmanned system.
Owner:HARBIN ENG UNIV
A cave monitoring system capable of controlling initial conditions
InactiveCN117367501BSimulation is accurateHigh simulationPreparing sample for investigationEarth material testingBedrockKarst
The present invention discloses a cave monitoring system capable of controlling initial conditions, including a simulated precipitation module, a karst system and a monitoring system framework. The simulated precipitation module is composed of a pump room, a precipitation pipeline and a precipitation control system, which can realize personalized precipitation environment settings and provide support for diversity research needs; the karst system is divided into multiple subsystems, each of which includes a soil layer, a bedrock layer and a cave layer. The land cover type is simulated by adjusting the composition of the overlying vegetation, the hydrogeological background is simulated by adjusting the type and composition of the soil and bedrock, and the ventilation effect is simulated by adjusting the cave exhaust equipment; the monitoring system framework adopts reinforced concrete to provide a stable support for the system and separate the subsystems. The advantages of the system are highly accurate environmental simulation, real-time monitoring of multiple parameters, flexible and customizable experimental design and scalability, and it is expected to be widely used in a variety of related experimental fields.
Owner:INST OF EARTH ENVIRONMENT CHINESE ACAD OF SCI
Greenhouse temperature and humidity monitoring system based on Internet of Things
PendingCN119309619AAccurate data collectionAccurate data monitoringTelemetry/telecontrol selection arrangementsMeasurement apparatus componentsData viewGreenhouse
The invention belongs to the technical field of greenhouse temperature and humidity control, and particularly relates to a greenhouse temperature and humidity monitoring system based on the Internet of Things, which comprises a monitoring module, a processing module, an Internet of Things transmission module and a VR display module, the monitoring module completes greenhouse temperature and humidity data monitoring by controlling a plurality of groups of monitoring devices distributed in a three-dimensional node manner, and sends the monitoring data to the data processing module through the Internet of Things module; the data processing module processes the monitoring data to form a VR data surface, and transmits the VR data surface to a VR display module through the Internet of Things module; and the management end checks the VR data surface through the VR display module and analyzes the temperature and humidity state of the greenhouse. According to the invention, data acquisition is more accurate, and data viewing is more visual.
Owner:ZHENJIANG COLLEGE
Portable clamp meter with metering wiring analysis function
PendingCN119619585AReduce the burden onEasy to use on siteVoltage/current isolationMachine learningElectric power systemOvercurrent
The invention discloses a portable clamp meter with a metering wiring analysis function, which relates to the technical field of electric power detection and measurement instruments, comprises a clamp meter shell, an MCU (Microprogrammed Control Unit) and a power supply, and is internally provided with a voltage detection circuit and a current detection circuit. The first interface and the second interface of the current clamp are connected with the voltage detection circuit, and the MCU is connected with the 485 communication module, the SD card and the external screen so as to realize data acquisition and display. The clamp meter is further provided with a current acquisition circuit, an electric energy metering circuit and an electric energy meter data reading circuit, so that accurate measurement of current and voltage is ensured. Through the interface of the current clamp, the equipment can carry out current loop transformation ratio and polarity test, and the MCU can calculate multiple indexes such as electric energy and power. Meanwhile, the 485 communication module is used for reading data of the electric energy meter and comparing the data so as to verify the normal working state of the electric energy meter. The clamp meter is suitable for monitoring and maintenance of an electric power system and equipment, and promotes the development of a portable electric power metering technology.
Owner:CHUXIONG POWER SUPPLY BUREAU OF YUNNAN POWER GRID CO LTD
Intelligent fire hydrant and intelligent fire hydrant monitoring system
ActiveCN222275656UAchieve positioningRealize functionMeasurement devicesFire rescueMonitoring systemEnvironmental engineering
The utility model relates to the technical field of fire-fighting equipment, and discloses an intelligent fire hydrant, which can detect the state of the fire hydrant in real time, give an alarm, accurately collect data, comprehensively supervise the fire hydrant and reduce the maintenance and management difficulty of the fire hydrant, and comprises a fire hydrant body provided with a water outlet nozzle at the upper part and internally provided with a partition plate, the partition plate divides an inner cavity of the fire hydrant body to form a control chamber and a water outlet channel below the control chamber, the water outlet channel is communicated with the water outlet nozzle and provided with a liftable valve rod penetrating through the partition plate, the bottom end of the valve rod is provided with a valve clack abutting against the inner wall of the water outlet channel in a sealed mode, and the inner wall of the water outlet channel is provided with an annular water passing groove. The valve clack gets close to or leaves the annular water passing groove when the valve rod ascends and descends, so that fire-fighting water flows into the water outlet channel, or the water outlet channel is separated from the fire-fighting water. A temperature and pressure integrated sensor and a liquid level sensor are arranged on the inner side of the valve clack, the control chamber is provided with a control circuit board and a power supply device, and the control circuit board is provided with a positioning sensor, a gravity sensor and a 4G transmission module in communication connection with a user platform.
Owner:SHENZHEN MAXONIC AUTOMATION CONTROL CO LTD
Intelligent analysis system and method for muskmelon breeding through grey decision and symmetry simulation analysis
InactiveCN119515173Alabor savingAccurate data collectionData processing applicationsCharacter and pattern recognitionBiotechnologyAlgorithm
The invention discloses an intelligent analysis system and method for muskmelon breeding through gray decision and symmetry simulation analysis. The system comprises an acquisition module, an extraction module, a construction module and an analysis module, the acquisition module is used for acquiring image data of watermelons and melons; the extraction module is used for extracting image features in the image data; the construction module is used for constructing an analysis model based on the image features; and the analysis module is used for completing analysis of watermelon breeding by using the analysis model. According to the method, crop information simulating morphological characteristics and growth rules of real plants is collected, labor is saved, data collection is accurate, decision analysis is carried out on the collected information, an optimal scheme is given, excellent variety resources are reserved, and the breeding process is accelerated. The use is convenient and effective.
Owner:LANGFANG SIKE AGRI TECH CO LTD
A digital dial indicator and deflection meter
ActiveCN224286525UAccurate data collectionImprove work efficiencyMaterial strength using tensile/compressive forcesRoads maintainenceData displayWireless transceiver
This utility model discloses a digital dial indicator and deflection meter, relating to the field of road surface testing technology. It includes: a main housing; a measuring rod installed in the main housing; a first detection element connected to the measuring rod, used to detect the deformation of the measuring rod during measurement; a controller fixed inside the main housing, with the detection element connected to the controller; the controller receives and stores the detection data acquired by the detection element; a display screen fixed to the outer surface of the main housing, connected to the controller, used to display the detection data; and a wireless transceiver unit connected to the controller, used to receive signals for remote control of the dial indicator. By setting the controller to collect and store data, manual data recording is eliminated, improving work efficiency; and by setting the wireless transceiver unit, the dial indicator can be remotely controlled.
Owner:FOSHAN HIGHWAY & BRIDGE ENG MONITORING STATION CO LTD
Driving assembly and gardening tool
ActiveCN222479349Ustable currentaccurate collectionToothed gearingsGearing detailsMotor speedReduction drive
The utility model belongs to the technical field of motor speed reducers, and particularly relates to a driving assembly and a gardening tool. The planetary reducer comprises a shell and a planet wheel assembly installed in the shell, the power input end of the planet wheel assembly is connected with an output shaft of the motor, and the power output end of the planet wheel assembly is connected with the shell; and each gear in the planet wheel assembly is a helical gear. The motor and the helical gear planetary reducer are combined to drive the garden tool to walk, helical gear meshing is more stable and smoother, the bearing capacity is higher, data collected by the encoder is more accurate, motor current is more stable, and accurate control over movement of the driving motor by the controller is better facilitated.
Owner:GLOBE (JIANGSU) CO LTD
A flexible control method and system for electric heating load
ActiveCN118889429BLow failure rateAchieve the purpose of flexible management and controlData processing applicationsLighting and heating apparatusThermodynamicsPower grid
The present invention discloses a method and system for flexible control of electric heating load, which relate to the field of power distribution technology. The method formulates a control strategy for electric heating equipment and controls the operating status of the electric heating equipment based on the monitoring results of the power grid load and the power monitoring results of the electric heating equipment; when executing flexible control of the electric heating load, the power history curve of each electric heating equipment in the proposed list is collected, and it is determined whether each electric heating equipment is currently operating under constant temperature and power, and the electric heating equipment in the proposed list is determined as the electric heating equipment to be powered off first; power is cut off for some or all of the electric heating equipment, and when the power-off time reaches a preset power-off time threshold, when the flexible control of the electric heating load is continued, the electric heating equipment that was powered off last time is excluded from the proposed list. The system is used to implement the method. The scheme can realize flexible control of the orderly electricity use of electric heating users, and at the same time can avoid or weaken the impact on users, thereby ensuring the quality of power grid services.
Owner:CHENGDU HANDU TECH
Pressure box structure device capable of being pre-tightened
ActiveCN222561177UAccurate data collectionaccurate dataApparatus for force/torque/work measurementStructural engineeringPressure cell
Owner:CHINA RAILWAY 11TH BUREAU GRP CORP LTD +1
Anti-fraud method and system for mobile payment of electricity purchase based on bio-probe technology
ActiveCN116883003BAccurate data collectionimprove accuracyCharacter and pattern recognitionUsing optical meansMobile endUser authentication
The present invention relates to the field of fraud detection technology, and in particular to an anti-fraud method for mobile payment of electricity purchase based on bio-probe technology; comprising the following steps: acquiring a first position coordinate of a mobile terminal when collecting a first facial image of a target object; judging whether the first facial image matches the first facial information of the registered target object stored in the mobile terminal; if they match, moving the mobile terminal from the first position coordinate to a second position coordinate, and collecting a second facial image of the target object after the mobile terminal moves to the second position coordinate; if they match, the terminal confirms that the user authentication is passed, and in the process of identity authentication, the facial image of the target object is matched with the spatial position coordinate, and the changing trajectory of the spatial position coordinate of the mobile terminal is recorded by a bio-probe sensor in the mobile terminal, so as to effectively prevent and control fraud during authentication.
Owner:国家电网有限公司客户服务中心
An apparatus for measuring distribution of cuttings in a wellbore and a method of measuring the same
PendingCN122257792AAccurate data collectionno emissionsSurveyConstructionsData acquisitionElectric machinery
This invention belongs to the field of mechanical technology for drilling engineering circulation systems, specifically relating to a device and method for measuring the distribution of cuttings within a wellbore. The invention includes a hose support, a simulated wellbore unit, an inclination adjustment device, a drilling fluid tank, a power circulation mechanism, a stirring motor, and a control terminal. By calibrating the device for measuring the distribution of cuttings within the wellbore, this invention verifies the consistency and repeatability of its channels, ensuring the accuracy of system data acquisition. The device in this invention is a closed system, producing no pollution and no harmful emissions. This invention automatically measures the distribution and movement of cuttings in the annular space under conditions where visible light cannot penetrate, and can simultaneously measure the cuttings removal rate and the impact force of fluid flow on the wellbore. This invention can clearly define the distribution and flow state of cuttings in the annular space, allowing for adjustments to the drilling fluid formulation and performance, improving the efficiency of cuttings removal within the wellbore, and reducing drilling fluid costs.
Owner:CHINA NAT PETROLEUM CORP +1
A receiver screen pasting machine
ActiveCN110864036Beasy to returnprevent movementFinal product manufactureFastening meansRobot handMechanical engineering
The present invention discloses a receiver screen pasting machine. The receiver screen pasting machine comprises a frame, a material discharge module is installed at the left end of the frame and a material receiving module is installed at the right end, a transfer table is installed on the front end of the frame, a stripping machine is installed on the left side of the rear end of the frame and a four-axis manipulator is installed on the right side, the transfer table is located between the material discharge module and the material receiving module, a pressing machine is symmetrically placed at both ends of the transfer table, and the four-axis manipulator comprises a Y-axis moving component, the Y-axis moving component is longitudinally fixed on the frame, the X-axis moving component is transversely connected to the moving plate of the Y-axis moving component, the Z-axis moving component is longitudinally connected to the moving plate of the X-axis moving component, the angle rotation component is connected side by side to the inner side of the moving plate of the Z-axis moving component, and the CCD detection component is connected to one side of the angle rotation component. The present invention realizes the automated transfer production of receiver screens, with high transfer position accuracy, high yield rate and high production efficiency.
Owner:DONGGUAN SHENGXIANG PRECISION METAL
Airport pavement concrete stress-strain state acquisition device
ActiveCN222439274USolve the leakReasonable structureWeather/light/corrosion resistanceMaterial strength using tensile/compressive forcesWater storage tankData acquisition
The utility model discloses an airport pavement concrete stress-strain state acquisition device. The airport pavement concrete stress-strain state acquisition device is characterized in that a water storage tank is externally connected with a water circulation device; the test piece placing device is arranged on the water storage tank, the aircraft impact load test device is arranged above the space of the test piece placing device, the water circulation device is used for cooling the aircraft impact load test device and applying water pressure to a concrete test piece in the test piece placing device, and the sensing device is externally connected with a data acquisition end. The data acquisition end is connected with the control end; the control end controls the opening and closing states of the aircraft impact load test device and the water circulation device; the control end records state information of the aircraft impact load test device, the water circulation device and the sensor device. The aircraft impact load test device, the test piece placing device, the water circulating device and the sensing device are not interfered with one another, water entering the test piece groove enters the water storage tank through the steel plate with holes, and the problems of water leakage and water recycling of a traditional environment box are solved.
Owner:CHANGAN UNIV
Slave station capacitance film vacuum gauge reading device based on EtherCAT bus
ActiveCN119509799AImprove anti-interference abilityLong transmission distanceVacuum gaugesElectric digital data processingBandpass filteringCapacitance
The invention belongs to the technical field of vacuum metering, and particularly relates to a slave station capacitance film vacuum gauge reading device based on an EtherCAT bus. The slave station capacitance film vacuum gauge reading device based on the EtherCAT bus comprises an excitation signal generation module, a sensor interface module, a current-voltage conversion module, a band-pass filtering module, a precision rectification and filtering module, an analog quantity output interface module, an analog-to-digital conversion module, a control circuit module, an EtherCAT bus module and a power supply module. The slave station capacitance film vacuum gauge based on the EtherCAT bus can be conveniently connected to the EtherCAT industrial Ethernet bus, and has the characteristics of accurate data acquisition, high transmission efficiency, simple wiring and the like.
Owner:LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
Oil and gas pipeline defect magnetic flux leakage fixed-point early warning detection system
PendingCN119510554AAccurate data collectionreduce usagePipeline systemsMaterial magnetic variablesComputational physicsDetection early
The invention belongs to the technical field of pipeline magnetic flux leakage detection, and particularly relates to an oil and gas pipeline defect magnetic flux leakage fixed-point early warning detection system. In order to realize accurate early warning and monitoring of defects and damages of oil and gas pipelines, the invention designs a digital defect and damage fixed-point early warning and detection system capable of realizing magnetic flux leakage of the oil and gas pipelines on the basis of a metal magnetic flux leakage detection principle. A system program intelligently controls an exciting coil and a plurality of groups of Hall sensors densely distributed on a detected pipe section, pipeline defect damage magnetic flux leakage detection signals are generated under a high-intensity magnetic field, digital conversion and acquisition of the signals are carried out, and then tangential and normal detection signal processing and analysis programs of the detection signals are written, so that the pipeline defect damage magnetic flux leakage detection precision is improved. And full-digital defect damage real-time fixed-point detection early warning and positioning analysis are realized.
Owner:LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
Device and method for testing injection performance of fire extinguisher
PendingCN119469861Aimprove accuracyimprove scienceStructural/machines measurementSimulationStructural engineering
The invention discloses a fire extinguisher injection performance test device and test method. The fire extinguisher injection performance test device comprises a control cabinet (1), a fire extinguisher test bed assembly (2), an industrial camera (3), a tape measure (4) and a fire extinguishing agent collection frame (5). The fire extinguisher test bed assembly (2) is arranged in the control cabinet (1), the fire extinguishing agent collecting frame (5) is located on the side edge of the control cabinet (1), and the industrial camera (3) is arranged on the side front portion of the control cabinet (1) and on the side edge of the fire extinguishing agent collecting frame (5); and the tape measure (4) is arranged along the side edge of the fire extinguishing agent collecting frame (5). By utilizing the device, the accuracy and scientificity of fire extinguisher inspection can be improved, and judgment on fire extinguisher performance inspection by personal errors is avoided. The test device can be used for a plurality of tests such as a 20 DEG C injection performance test, a use temperature range injection performance test, an injection performance test after vibration and collision of a dry powder extinguisher, an intermittent injection performance test and an intermittent injection sealing performance test. The test device and the test method are high in detection precision, strong in compatibility and stable in performance.
Owner:SHANGHAI FIRE RES INST OF MEM