Patents
Literature
122results about How to "Reduce troubleshooting time" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Intelligent flaw detection and leakage positioning system for building pipeline
PendingCN121977166Aachieve recognizabilityImplement classificationMeasurement devicesPipeline systemsFeature vectorDecision control
The invention discloses a building pipeline intelligent flaw detection and leakage positioning system, which relates to the technical field of building pipeline detection and comprises a data acquisition module, a multi-modal fusion module, a defect identification module, a leakage positioning module, a digital twinborn module, a health prediction module and a decision control module. The data acquisition module is used for deploying multiple types of sensors along a building pipeline, acquiring acoustic emission signals, infrared thermal imaging images, pressure fluctuation data and fluxgate detection signals in a running state of the pipeline, and outputting original sensing data; the multi-modal fusion module is connected with the data acquisition module and is used for performing feature extraction on the original sensing data, constructing a multi-modal feature vector, dynamically adjusting each modal weight based on environmental parameters and outputting a weighted fusion feature vector; and the defect identification module is connected with the multi-modal fusion module and is used for inputting the weighted fusion feature vector into a deep neural network model.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
Intelligent troubleshooting method and system for faults of power distribution and utilization ring network
PendingCN121917896Aincrease diversityImprove timelinessData processing applicationsBiological modelsTrend predictionConstraint graph
The invention relates to the technical field of the intelligent power grid industry, in particular to a power distribution and utilization ring network fault intelligent troubleshooting method and system. According to the method, a looped network situation primitive is generated through multi-source heterogeneous data fusion. The primitives are input into synchronous compression transformation to extract transient fault initial features, and the transient fault initial features are mapped into fault propagation path features through a graph convolutional network considering topological structure constraints; then, inputting the features into a space-time correlation prediction model, integrating defect type judgment and trend pre-judgment features, and generating a fault diagnosis evidence set; and starting an investigation mechanism based on the evidence set to determine an interval to be investigated, and performing closed-loop verification by constructing a fusion judgment matrix based on multi-modal physical sensing information to realize physical space locking of a fault defect point. According to the method, deep learning diagnosis and multi-mode positioning are integrated, and the detection precision and the positioning efficiency of looped network defects and the identification capability of transient hidden faults are effectively improved.
Owner:NANJING XUANMIAO ELECTRONIC TECH CO LTD
Inner wall state detection device for liquid hydrogen transportation tank
PendingCN121762557AGuaranteed uptimeReduce troubleshooting timeDetection of fluid at leakage pointContainer filling methodsLiquid argonThermodynamics
The invention relates to the technical field of detection, in particular to an inner wall state detection device for a liquid hydrogen transportation tank, which comprises a miniature liquid hydrogen transportation outer tank, a miniature liquid hydrogen transportation inner tank is welded and fixed at the upper end of the inner wall of the miniature liquid hydrogen transportation outer tank, and the upper end of the miniature liquid hydrogen transportation inner tank penetrates through the top of the miniature liquid hydrogen transportation outer tank and is in threaded connection with a screw cover; according to the device, by means of the characteristic that liquid argon can be gasified when making contact with normal-temperature air, when the micro liquid hydrogen transportation outer tank is broken, the trigger mechanism is started, and the micro liquid hydrogen transportation inner tank is in a vacuum state; the liquid argon is gasified and mixed with the fluorescent dry powder, the colored gas generated by gasification is sprayed out from the damaged position to form a striking visual mark, a worker can visually find the damaged position at the first time without the aid of a complex detection instrument or large-area troubleshooting, and the fault diagnosis time is greatly shortened.
Owner:XI'AN PETROLEUM UNIVERSITY
Foreign matter detection device on konjaku flour assembly line
ActiveCN224122503Uavoid accumulationavoid foldingMaterial analysis by transmitting radiationNuclear radiation detectionForeign matterProcess engineering
The utility model provides a foreign matter detection device on a konjaku flour assembly line, which comprises a first conveying mechanism, two parallel second conveying mechanisms which operate independently are arranged below the end part of the first conveying mechanism, and X-ray detection devices are arranged on the second conveying mechanisms; a partition plate is arranged between the two second conveying mechanisms, a rotating flow guide plate is arranged on the partition plate, and the flow guide plate rotates on the first conveying mechanism and is used for distributing materials on the first conveying mechanism; and a paving device is arranged between the partition plate and the second conveying mechanism, is arranged at the front end of the X-ray detection device and is used for flattening materials on the second conveying mechanism. The foreign matter detection problem caused by random stacking of materials is effectively solved, the detection efficiency and the product quality can be improved on the premise that normal production is not affected, and the safety and the stability of the production process are greatly improved.
Owner:WUFENG JIECHENG KONJAC FOOD CO LTD
Power transformation equipment fault tripping monitoring system, method, medium and program product
ActiveCN120074019Breduce processingEliminate human interferenceBoards/switchyards circuit arrangementsCircuit arrangementsData packData acquisition
The application provides a power transformation equipment fault tripping monitoring system, method, medium and program product, and relates to the technical field of power grid fault processing. The monitoring system comprises: a data acquisition system, configured to acquire system operation data of a power grid system; if it is detected that the system operation data contains alarm information of a target substation and position change information of a switch in the target substation, the alarm information and the position change information are sent to a tripping judgment system; the tripping judgment system is configured to determine whether there is an operation and maintenance record corresponding to a time stamp; if not, it is determined that the switch has failed tripping, and the time stamp and a target switch identifier of the switch are sent to a tripping analysis system; the tripping analysis system is configured to determine system operation data of the target substation within a first preset time length corresponding to the time stamp according to the target switch identifier, and generate a fault tripping report of the switch. The application improves data collection efficiency, automatically realizes research and judgment of fault tripping, and further improves fault troubleshooting efficiency and fault processing efficiency.
Owner:HUIZHOU POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD +1
Data processing method and device, storage medium, equipment and program product
PendingCN121957959AGuaranteed validityReduce positioning costsFault responseComputer hardwareMemory footprint
The invention discloses a data processing method, a data processing device, a computer readable storage medium, electronic equipment and a computer program product, and the method comprises the steps: obtaining memory usage data and event response data of a target application, and determining the correlation degree of an interaction event and memory leak according to the memory usage data and the event response data, and positioning an interaction event causing the memory leak. Thus, a developer can check the function point corresponding to the interaction event based on the positioned interaction event so as to check whether the function point can cause memory leakage, and compared with a mode that the developer checks all the function points one by one, assistance can be provided for the check work of the developer, so that the check efficiency is improved.
Owner:HANGZHOU NETEASE CLOUD MUSIC TECH CO LTD
Abnormality detection method, device and system for flushing system of medical equipment
PendingCN121754793Aprecise positioningTimely and accurate alarm promptsEnemata/irrigatorsIntravenous devicesMedical equipmentAbnormal positions
The invention discloses a flushing system anomaly detection method, device and system for medical equipment, and belongs to the technical field of medical equipment. The medical equipment is provided with a flushing channel, the method comprises the steps that first detection information and second detection information corresponding to the flushing channel are obtained, the first detection information represents the flushing pressure change condition of the flushing channel within the target duration, and the second detection information comprises at least one of the second detection information and fluid temperature information; the second detection information represents the bubble generation condition in the flushing channel, and the fluid temperature information represents the temperature change condition of fluid in the flushing channel; and according to the first detection information and the second detection information, abnormal alarm information corresponding to the flushing channel is output, and the abnormal alarm information indicates at least one of an abnormal position in the flushing channel and an abnormal state corresponding to the abnormal position. By means of the method, the abnormity in the flushing channel can be accurately detected.
Owner:MAGASSIST CO LTD
Short-time interruption monitoring method for line protection multiplexing channel and computer storage medium
PendingCN121878553AEasy to tracepromote repairCurrent/voltage measurementEmergency protection detectionMultiplexingMonitoring methods
The invention relates to the technical field of power system relay protection, and provides a line protection multiplexing channel short-time interruption monitoring method and a computer storage medium. The method comprises the steps of obtaining a home terminal recording file and an opposite terminal recording file in response to a received protection starting signal, and determining whether a line protection multiplexing channel is in a connected state in a first time period or not according to the home terminal recording file and the opposite terminal recording file; and if the line protection multiplexing channel is in the connected state in the first time period and has short interruption in the second time period, determining whether the line protection multiplexing channel is in the connected state in the third time period. If the circuit protection device is in the connected state in the third time period, prompt information is generated, and the prompt information is used for representing that short-time interruption of the circuit protection multiplexing channel exists in a setting circuit corresponding to the circuit protection device at the protection starting moment. According to the invention, the short-time interruption of the line protection multiplexing channel can be monitored and identified, and the operation safety of a power system is improved.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD +2
A thermal management integrated module, fault information reading method and system, vehicle
PendingCN122323718AConvenient offline fault analysispromote reproductionHeat managementControl engineering
The application provides a thermal management integrated module, a fault information reading method and system, and a vehicle. The thermal management integrated module comprises a plurality of electronic actuators, a controller and a memory. Each electronic actuator corresponds to a component. Each electronic actuator and the memory are in communication connection with the controller. The memory comprises: a dynamic message receiving and sending storage area, which is used for storing messages received and sent by each electronic actuator at a preset period during normal communication; a fault type counting area, which is used for storing the number of times that each electronic actuator is diagnosed as each preset fault type; and a fault frame storage area, which is used for storing the current communication frame at the moment of fault occurrence, subsequent continuous frame messages, a fault code and a time stamp when any electronic actuator fails. The application can realize centralized, faithful and safe fault information management of a multi-actuator thermal management system.
Owner:SAIC GENERAL MOTORS +1
An automation terminal device running state monitoring device and a monitoring method
PendingCN122283276AHigh precisionImprove early exception catching capabilitiesConvertersTerminal equipment
This invention discloses an automated terminal equipment operation status monitoring device and method, belonging to the field of power distribution automation equipment monitoring technology. The device consists of an MCU, a current signal acquisition module, a voltage signal acquisition module, a temperature acquisition module, an A / D converter module, a power supply module, an alarm module, a communication recording module, a data storage module, and a display module. Each module is electrically connected according to a preset configuration to form a complete monitoring architecture. Based on this device, the method sequentially executes the following steps: system initialization self-calibration, multi-source signal synchronous acquisition and preprocessing, fault judgment threshold dynamic correction, multi-dimensional feature fusion fault analysis, hierarchical linkage response and data partitioning storage, and cyclic monitoring. This invention improves the accuracy of fault detection and analysis, can quickly locate faults and respond hierarchically, significantly shortens repair time, effectively improves the operation and maintenance management capabilities of terminal equipment, and ensures the safety of power distribution networks and equipment.
Owner:JIAOZHOU POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
Portable car coupler reconnection simulation test device and control method
ActiveCN121994517AEliminate risk of damageShorten test preparationRailway vehicle testingProgramme control in sequence/logic controllersVirtual controlEmbedded system
The invention discloses a portable car coupler reconnection simulation test device and a control method, a main control module in the device is internally provided with control logic in a test process, and the main control module comprises a priority hierarchical scheduling mechanism, a dual mutual exclusion lock mechanism and a state real-time synchronization mechanism. The control method comprises the following steps: configuring a GPIO (General Purpose Input / Output) interface, UART communication and a mutual exclusion lock of the main control module; triggering an operation instruction based on the instruction interaction module, and performing priority division on the triggered operation instruction; based on the double interlocking safety state, performing mutual exclusion judgment on an operation instruction being executed; constructing a real state mirror image, and synchronously updating the physical control point and the virtual control point which are subjected to state change; input acquisition and output control of reconnection train level signals are executed based on the acquisition output module, and state information display is synchronously performed on the HMI serial port screen module. The device is portable, easy to use and low in operation threshold, and the efficient and safe debugging requirements of the rail transit vehicle are comprehensively met.
Owner:GUANGZHOU NANCHE CITY RAILS EQUIP CO LTD
Emulation debugging method
This invention discloses a simulation debugging method. The simulation debugging method is applied to a controller connected to a power interface, which is connected to a power supply terminal. The method includes: generating a first power signal loaded with simulation debugging information; transmitting the first power signal to the controller via the power interface; the controller parsing the first power signal to reconstruct the simulation debugging information; the controller performing simulation debugging based on the simulation debugging information and obtaining the debugging result; and the controller converting the debugging result into a second power signal and outputting the second power signal via the power interface. The technical solution of this application can effectively reduce the simulation debugging time after a product enters the market and improve product maintenance efficiency.
Owner:北杉集成电路(深圳)有限公司
A fault location method for traction power supply system feeder breaker 1 with 2 modes
ActiveCN122085055Areduce misjudgmentRapid positioningFault locationInformation technology support systemFeeder lineTraction power supply
This invention discloses a fault location method for a traction power supply system feeder circuit breaker in a 1-to-2 mode, relating to the field of electrified railway traction power supply technology. By converting the cross-connecting current between the AT substation and the section substation into the up and down feeder currents of the traction substation, the first fault interval from the traction substation to the AT substation can also be located using the cross-connecting current ratio method. This method also considers the differences between Type I and Type II substations. Using this method can improve the fault location accuracy of the first fault interval, controlling the location error within 250 meters. This ensures that maintenance personnel can quickly locate the fault point, promptly handle the fault, and restore normal line operation when a fault occurs, which is of great significance for ensuring the safe, stable, and efficient operation of the railway transportation system.
Owner:NANJING SAC RAIL TRAFFIC ENG CO LTD
Hybrid cloud environment-oriented dynamic dual-state deployment management method and system
PendingCN121957636AReduce branch managementReduce the burden of synchronized updatesVersion controlSoftware deploymentEdge computingArbiter
The invention provides a dynamic dual-state deployment management method and system for a hybrid cloud environment, belongs to the technical field of cloud computing and edge computing fusion deployment, and aims to solve the problems that deployment of a large cloud platform and an all-in-one machine platform needs multi-branch maintenance, scripts are manually changed, and separate deployment packages are easy to select mistakenly. In the construction stage, a pre-compiling engine scans a condition compiling instruction in an SQL and configuration template, environment exclusive resources are generated according to platform types, and resource hash and deployment package fingerprints are calculated; in the deployment stage, a dynamic arbiter judges a target environment according to the priorities of forced configuration, Kubernetes node tags, hardware fingerprints and default values, and loads matching configuration and pre-compiling resources; and the consistency verification module executes matching verification of the template hash, the resource hash and the runtime hash, and gives an alarm and stops or returns in case of abnormality. Uniform delivery, reliable deployment and traceable rollback are realized by only loading applicable functions in different environments through the same deployment package and combining version migration and security isolation.
Owner:UNICLOUD TECH CO LTD
A general-purpose product assembly platform
ActiveCN121715820BImprove installation accuracyImprove cleanlinessProgramme-controlled manipulatorMetal working apparatusRobot handRobotic arm
This invention belongs to the field of robotic arm technology, specifically a universal product assembly platform, including an assembly table, a robotic arm, and grippers; it also includes a detection platform, which is mounted on the assembly table. A detection plate is slidably connected to the center of the detection platform, and the detection plate is connected to an electric push rod in the detection platform. A drive block drives a drive shaft to rotate via a drive belt. Since the drive shaft and the rotating shaft are connected by bevel gears, the drive shaft drives the rotating shaft to rotate through the meshing transmission of the bevel gears. The rotating shaft drives a cleaning brush to rotate rapidly via a rotating belt. When the cleaning brush rotates and passes over the grippers, it cleans the remaining parts of the grippers. Combined with the cleaning action of the drive block, this further improves the cleanliness of the grippers, preventing residual oil and other impurities on the grippers from affecting the gripping and detection accuracy, thereby improving the gripping and detection accuracy of the robotic arm, and consequently improving the assembly accuracy of the robotic arm and the installation accuracy of the assembly platform.
Owner:ZHONGBEI UNIV +2
Intelligent numerical control hydraulic system and control method
This invention provides an intelligent CNC hydraulic system and control method, including a sensing and monitoring unit comprising a multi-source heterogeneous sensor network deployed at key nodes throughout the system. The invention is rationally designed, using a multi-source heterogeneous sensor network deployed throughout the system to simultaneously collect multi-dimensional operating parameters such as pressure, flow rate, temperature, and vibration. Edge computing is used to complete data preprocessing and fault-sensitive feature extraction. Relying on an SVM-LSTM dual-model fusion fault intelligent diagnosis module and integrating a fault tree FTA analysis submodule, it achieves accurate classification of fault types, rapid location of fault points, and root cause tracing. It also provides early warning of early system faults, significantly improving fault diagnosis accuracy compared to traditional threshold alarm methods. Furthermore, it can identify fault types that traditional methods cannot detect, such as directional valve sticking, predicting fault development trends in advance and effectively preventing equipment damage caused by fault escalation.
Owner:WUXI MEISIDA PRECISION MASCH CO LTD
Improved method for determining the state of a relay with light-emitting diodes in the middle
PendingCN122362091AEliminate the defect of false indicator lightsQuickly locate fault natureElectrical controlComputational physics
This invention relates to the field of electrical control technology, and in particular to an improved method for determining the state of an intermediate relay with an LED, comprising the following steps: setting a current sensing node in the main power supply circuit of the intermediate relay coil; connecting the electrical signal obtained by the current sensing node to a state indication branch, the state indication branch including at least one light-emitting element; configuring the state indication branch to output light signals with different visual characteristics based on the differences in electrical characteristics exhibited by the current sensing node when the intermediate relay coil is in different physical states; wherein, the different physical states include at least: the coil is normally energized and engaged, the coil circuit electrical continuity is interrupted, and the coil winding impedance deviates from the rated range; the differences in the visual characteristics of the light signals are used to correspond to the physical state of the intermediate relay coil; this invention achieves more accurate and multi-level relay operating state determination and indication.
Owner:MCC SFRE HEAVY IND EQUIP
Cooling liquid release device and SVG system
ActiveCN224154506Uquick releaseshorten the timePipeline systemsReactive power adjustment/elimination/compensationThermodynamicsProcess engineering
The utility model relates to the technical field of cooling of SVG equipment, in particular to a cooling liquid release device and an SVG system, which comprise a cooling liquid tank, a water outlet pipeline, a water return pipeline and a power module, a water outlet of the cooling liquid tank is connected with one end of the water outlet pipeline, and the other end of the water outlet pipeline is connected with a water inlet of the power module. A water outlet of the power module is connected with one end of a water return pipeline, the other end of the water return pipeline is connected with a water return port of the cooling liquid tank, and a quick release assembly is further arranged on the water return pipeline. Cooling liquid in the cooling liquid tank reaches the power module through the water outlet pipeline, so that heat generated by the power module is taken away, and the cooling liquid flowing through the power module flows into the cooling liquid tank through the water return pipeline. When the power module breaks down, the cooling liquid in the power module needs to be discharged and the power module needs to be replaced, and the cooling liquid in the power module can be quickly released by arranging the quick release assembly, so that the fault processing time is shortened.
Owner:YUNCHENG SHANGYUAN NEW ENERGY CO LTD
Method for discovering and handling faults of xinchuang terminal based on knowledge graph
The application particularly relates to a knowledge graph-based fault discovery and disposal method for a Xinyuan terminal. The knowledge graph-based fault discovery and disposal method for the Xinyuan terminal utilizes a knowledge graph technology to construct a fault prediction knowledge graph and a historical fault knowledge graph, and realizes intelligent data processing, fault discovery and fault disposal. The knowledge graph-based fault discovery and disposal method for the Xinyuan terminal can timely discover system faults through a centralized monitoring system, reduces fault processing time, enables users to correctly and timely understand the running state of a system and an application, helps system personnel to perform necessary system optimization and configuration change, and provides a reasonable basis for system upgrading and expansion.
Owner:INSPUR QILU SOFTWARE IND
A PLC cabinet with auxiliary structure
Owner:SHENYANG NANDI ELECTRIC AUTOMATION EQUIP CO LTD
A household change identification method and device based on multi-element data fusion and a medium
PendingCN122087376AImprove recognition accuracyReduce measurement errorsKnowledge based modelsAnomaly detectionTerminal equipment
This invention discloses a method, device, and medium for identifying transformer substations based on multi-source data fusion. The method includes: collecting multi-source data from a marketing information management system, terminal equipment, and a metering automation system, and performing data preprocessing; constructing an n×6 dimensional fusion matrix F for each transformer substation area; calculating the final assigned circuit for each meter based on the fusion matrix F using preset fusion rules; constructing a three-tiered topology model of transformer substation, circuit, and meter based on the fusion results of the fusion matrix F, and visualizing and marking abnormal states; automatically triggering anomaly detection based on data conflicts and preset thresholds in the fusion matrix F, and classifying anomaly types and levels according to rules. This invention effectively solves the problems of large identification errors, lack of multi-source data fusion mechanisms, insufficient topology visualization capabilities, and incomplete anomaly type identification in existing technologies.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
Smart wiring harness connector device that can monitor connection status in real time
ActiveCN224383307UReduce troubleshooting timeReduce troubleshooting costsFault locationMeasurement instrument housing
The utility model provides an intelligent wiring harness connector device of real time monitoring connection state relates to wiring harness connection technical field, including intermediate seat, the both ends fixed setting of intermediate seat have put pipe terminal, two groups put pipe terminal top fixed setting have the connection buckle, the inside below of intermediate seat is fixedly set with the battery, the shell of battery is wrapped insulating layer, and the electrode of battery sets in the top both sides of battery, the top of battery is fixedly set with the electromagnet A and electromagnet B, the middle fixed setting of connection buckle has the pilot lamp, the utility model discloses through the pilot lamp bright and dark state monitoring circuit, and the pilot lamp is always bright when the circuit is normal, and the abnormality flashes, and the circuit failure is visualized, compares traditional investigation mode, can fast identification failure, shortens the investigation time, reduces the failure processing cost of power system, communication base station and so on scene, has solved the problem that the existing connector is inconvenient real time monitoring.
Owner:SUZHOU DONGWEI TECH
CAN bus transceiver interface circuit with intelligent fault diagnosis function
This invention discloses a CAN bus transceiver interface circuit with intelligent fault diagnosis function, including a CAN bus transceiver, a microcontroller unit, a CAN bus protection module, a CAN bus status monitoring module, and a fault indication module. The CAN bus transceiver is electrically connected to the microcontroller unit, the CAN bus protection module is connected in series between the transceiver and the CAN bus, the status monitoring module collects differential voltage and single-line absolute voltage, the microcontroller unit identifies various physical layer faults through a fault diagnosis algorithm, and the fault indication module issues an alarm. This circuit solves the problems of passive and untimely fault diagnosis in traditional CAN bus interface circuits, realizing real-time proactive diagnosis of physical layer faults, simplifying fault troubleshooting, and enhancing the reliability of in-vehicle CAN communication and vehicle operation safety.
Owner:YIPU PHOTOELECTRIC (TIANJIN) CO LTD
Coal conveying belt deviation detection system based on line anchor mechanism
ActiveCN121734897Bsolve detectabilitySolve wear and tearMeasurement devicesControl devices for conveyorsThermodynamicsTransmission belt
The present application relates to the technical field of industrial conveying equipment safety monitoring, in particular to a coal conveying belt deviation detection system based on a line anchor mechanism, comprising: a sensing and collecting module that collects dynamic tension waveform and contact point displacement data of a flexible line anchor device; a mechanical analysis module that inversely deduces lateral contact force based on a tension transmission model and separates transient mechanical disturbance and continuous extrusion behavior using time-frequency domain decomposition; a damage assessment module that constructs a friction heat energy integral model, calculates damage energy accumulation value and maps it into a risk assessment index; a hierarchical control module that executes early warning or emergency stop instructions according to index and threshold comparison; the present application effectively prevents thermal aging and fire hazards caused by long-term micro-friction of the belt edge.
Owner:SHENZHEN LAIDA SIWEI INFORMATION TECH CO LTD
Multi-channel intelligent power distribution box
ActiveCN224097216URapid positioningWith information storage functionBoards/switchyards circuit arrangementsMeasurement devicesControl theoryElectrical current
The utility model provides a multi-channel intelligent power distribution box. Comprising a box body, a plurality of contactors and pre-charging resistors are arranged in the box body, nine high-voltage load channels and twelve low-voltage load channels are formed between the contactors and the pre-charging resistors through a plurality of over-current copper bars, and the intersections of the over-current copper bars are isolated and supported through insulating supporting pieces; a plurality of load interfaces are arranged outside the box body and are respectively connected with a plurality of contactors through over-current copper bars; the contactor is further connected with a control module, a current detection assembly and a voltage detection assembly are arranged in the control module, and a plurality of signal interfaces are arranged outside the box body and connected with the control module. Power supply switch control contactors of multiple devices are integrated in the control box, the problem that a user needs to pay attention to the layout of the control contactors on a vehicle and consider the waterproof and dustproof functions of a high-voltage system is solved, and each power supply channel has the functions of current detection, voltage detection and adhesion detection.
Owner:GUIZHOU TIANYI TECH CO LTD
A GPU node automatic fault detection and repair method and device
This invention proposes an automatic fault detection and repair method and apparatus for GPU nodes. The method includes: real-time acquisition of hardware operation indicators, software status indicators, and resource load indicators of graphics processing unit nodes, and streaming the acquired indicator data to an analysis terminal; performing time-series analysis on the indicator data based on a machine learning model to predict potential fault risks, and comparing the indicator data against thresholds using a preset rule base to identify faults that have occurred, thereby generating fault diagnosis results; matching corresponding repair strategies from a multi-level self-healing strategy library according to the fault type and severity level, and generating execution instructions; responding to the execution instructions, performing corresponding isolation marking, lossless migration of computing tasks, system reset, or resource masking operations on the graphics processing unit nodes, and verifying the node status after the operation is completed to determine whether to restore the node to the cluster or trigger a manual maintenance notification.
Owner:JINAN INSPUR DATA TECH CO LTD
A device for alerting of a blade blockage
The utility model discloses a kind of scraper blocking alarm device, comprising: limit block, connecting shaft, collision block, mounting bracket and travel switch, the connecting shaft is rotatably connected on the box side wall, the limit block is fixedly connected at the one end of the connecting shaft inside the box, connecting rod is fixedly connected on the side wall of the one side of the connecting shaft outside the box, the collision block is fixedly connected at the one end of the connecting rod away from connecting shaft, the mounting bracket is fixedly connected on the outer side wall of the box, the travel switch is correspondingly arranged with the collision block and fixedly connected on the inner top surface of the mounting bracket. When the coke powder accumulation in the box of scraper reaches a certain degree, the operation of scraper is stopped by collision block touching travel switch, avoid the operation of scraper under heavy load condition, improve the service life of scraper, reduce the failure rate of equipment, shorten the troubleshooting time of scraper, improve the utilization of scraper.
Owner:SHANDONG IRON & STEEL CO LTD
Hydropower generator lower guide shoe temperature measurement and monitoring device
ActiveCN224286170UReally reflect the temperature field conditionsReduce false positivesThermometer detailsHydro energy generationTelecommunications linkInterference (communication)
This utility model discloses a temperature measurement and monitoring device for the lower guide bearing of a hydro-generator, relating to the field of condition monitoring and fault diagnosis technology for large-scale hydropower equipment. It includes a bearing base, multiple bearing supports, a tray, a lower guide bearing, a distributed temperature sensing layer, and intelligent acquisition units. It also includes an external monitoring host and a reliable data transmission network module. The reliable data transmission network module is a highly interference-resistant communication link connecting each intelligent acquisition unit to the monitoring host. This design can significantly improve monitoring accuracy and coverage. By densely deploying monitoring points to capture localized overheating, it completely solves the problem of missed detections caused by sparse temperature measurement, truly reflecting the overall temperature field of the bearing and bearing. Furthermore, it reduces the number of fragile long analog signal lines, and the sensors and communication links designed to withstand harsh environments greatly reduce the risk of false alarms and missed detections caused by sensor failure and signal interference.
Owner:GUANGDONG HYDROPOWER YUNNAN INVESTMENT JINPING ELECTRIC POWER CO LTD
Quick-closing valve control method for transient stability of power system based on deep reinforcement learning
PendingCN121934367AStrong real-timeReduce troubleshooting timeSystems intergating technologiesAdaptive controlDecision modelControl engineering
The invention belongs to the technical field of electric power systems, and particularly relates to a quick-closing valve control method for transient stability of an electric power system based on deep reinforcement learning. Comprising the following steps: establishing a Markov decision model based on power system transient stability emergency control; constructing a quick-closing valve decision framework based on a near-end strategy optimization algorithm; constructing a deep reinforcement learning model for emergency quick-closing valve control; by introducing the deep reinforcement learning method, a more accurate and efficient quick-closing valve control strategy can be formulated, so that when the power system breaks down, the stability of the system is recovered more quickly, and the loss caused by instability is reduced.
Owner:NORTHEAST DIANLI UNIVERSITY
A pipe detection device
This utility model relates to the field of pipeline inspection technology and discloses a pipeline inspection device. The device includes a pipeline clamping and fixing bracket, a vibrator, a shielding box, a radiated noise tester, and a control box. The pipeline clamping and fixing bracket includes sector plates, telescopic rods, and connecting plates. Two sets of sector plates are arranged parallel to each other along the pipeline axis. The shielding box is fixed between the upper and lower sector plates on one side, and the radiated noise tester is fixed between the upper and lower sector plates on the other side. This utility model device has a compact and simple structure, can quickly detect the fluid state of pipelines, avoids the need to remove flanges to inspect pipelines, is easy to operate, reduces troubleshooting costs, and reduces troubleshooting time.
Owner:CHINA MERCHANTS CRUISE MFG CO LTD +1