72 results about "Device failure" patented technology

This application provides a material cleaning device for the tail end of a bucket elevator, including a bucket elevator. Two air cannons are installed on one side of the bucket elevator, and each air cannon has a fixed pipe at its lower end. A first air supply pipe is fixedly connected to one side surface of each of the two fixed pipes, and a second air supply pipe is installed at the upper end of the first air supply pipe. A nozzle is connected to the upper end of the second air supply pipe. A buffer mechanism is installed on the lower side of the fixed pipes. This application effectively solves the problem of material accumulation by installing air cannons at the tail end of the bucket elevator. The air cannons can utilize the strong impact force generated by high-pressure gas to quickly and efficiently remove accumulated material at the tail end of the bucket elevator, avoiding problems such as equipment malfunction, increased energy consumption, and accelerated bucket wear caused by hardened accumulated material. This not only significantly improves the operating efficiency of the bucket elevator and reduces downtime due to equipment failure, but also reduces the manpower and safety risks required for manual material cleaning.

The application discloses a kind of based on artificial intelligence's hydropower station equipment fault prediction method and device, it is related to equipment fault identification technical field.The method is by collecting the multi-source heterogeneous data of each device, unified state representation vector of each device is generated by the integration of multi-source heterogeneous data of cross-modal fusion network, equipment state is fully described, avoid single data one-sidedness;Determine the equipment coupling state time series based on unified state representation vector;Based on equipment coupling state time series, determine system coupling evolution vector by dynamic evolution analysis;For each device, determine target equipment state representation based on system coupling evolution vector and the enhanced equipment representation corresponding to equipment;Target equipment state representation is input into preset fault prediction model, to obtain the prediction probability of each device failure.By fusing equipment individual characteristics and system global information for fault prediction, improve single and concurrent fault prediction accuracy, greatly reduce operation and maintenance cost and fault risk.

This application specifically relates to a design and evaluation method for mechanical failure simulation schemes in aircraft lift enhancement device failure testing, comprising: Step 1, designing different mechanical failure simulation schemes to obtain mechanical failure simulation parts; Step 2, scoring different mechanical failure simulation parts and their schemes for rejection criteria, and rejecting mechanical failure simulation parts and their schemes with excessively low rejection criteria scores; Step 3, scoring the mechanical failure simulation parts and their schemes based on the test and according to the mechanical failure test simulation consistency evaluation index; Step 4, selecting the mechanical failure simulation part and its scheme with the highest score and manufacturing the mechanical failure simulation part; Step 5, conducting lift enhancement device failure tests based on the mechanical failure simulation part and its scheme with the highest score, and scoring the mechanical failure simulation parts and their schemes again according to the mechanical failure test simulation consistency evaluation index based on the lift enhancement device failure test results, to obtain the final mechanical score.

This application discloses a method, apparatus, and electronic device for operating a microcontroller, belonging to the field of microcontrollers. The method for operating the microcontroller includes: obtaining the microcontroller's execution state based on a first bootloader firmware when the microcontroller restarts; performing a security verification on a target executable firmware based on a second bootloader firmware if the execution state indicator meets a first condition; and restoring the microcontroller based on an initial bootloader firmware and an initial executable firmware if the execution state indicator does not meet the first condition. The microcontroller operation method of this application can reduce the risk of device failure or malfunction due to power outages, software operation failures, or logical or version compatibility issues in the executable firmware itself during the process of upgrading the bootloader firmware via the executable firmware, thereby improving the resilience and reliability of upgrading the bootloader firmware via the executable firmware.

The utility model relates to a conveying device for steel wire technical field especially a conveying device for steel wire, including device body, device body is provided with connecting mechanism, connecting mechanism contains the connecting assembly of setting in device body top, the inside of connecting assembly is provided with conveying assembly, the middle segment of connecting assembly is provided with cleaning assembly. The guide roller one of fixed frame one inner wall and the guide roller two of fixed frame two inside, through the special profile design, can be closely combined with the irregular shape of special-shaped steel wire, ensure that the stress of steel wire cross section each part is even in the conveying process, effectively avoid the deviation, the overturn and the jamming phenomenon, the rotary guide roller of the inner wall of side frame both sides, its surface carries out the special treatment according to the special-shaped steel wire shape, can provide enough and even friction, make the special-shaped steel wire keep stable when moving, greatly improve the conveying efficiency, reduce the equipment failure risk, guarantee the accurate butt joint of subsequent machining procedure.

The application provides a device maintenance system and method based on big data analysis, the system comprising a device basic data unit, a maintenance specification confirmation module, an operation early warning module and a device point inspection module, wherein the device basic data unit comprises a device static data module and a device dynamic data module, the device static data module is configured to add, delete, query and modify device static data, and the device dynamic data module is configured to add, delete, query and modify device dynamic data; the maintenance specification confirmation module is configured to confirm a maintenance threshold; the operation early warning module is configured to perform big data statistics and analysis on the device static data and the device dynamic data, and automatically generate a warning notification when the maintenance threshold is reached; and the device point inspection module is configured to generate an inspection plan through the device static data, the device dynamic data and the warning notification, and update the device dynamic data. The application can reduce the device failure rate and intelligently assist device managers and operators in device maintenance.

This invention discloses a laser cutting machine for preventing backlight damage, relating to the field of laser processing equipment technology. The device has a crossbeam movably mounted inside its main body, a cutting head movably mounted on the crossbeam, and a protective cover movably mounted at the front end of the cutting head. The protective cover contains an anti-backlight unit, and a locking unit is located above the anti-backlight unit. The advantages are: the coating on the inner wall of the protective cover absorbs the backlight heat energy, causing the material in the storage chamber to vaporize and push a micro-piston, which in turn drives a drive ring to close the hinge, preventing backlight from entering the cutting head, protecting core components such as optical lenses, and improving equipment safety and durability. When backlight occurs, the locking unit releases, and under the action of a spring, the protective cover moves down to fit the workpiece, blocking irregular debris from splashing, avoiding wear on the transmission structure and corrosion of electrical components, reducing the risk of equipment failure, and ensuring cutting accuracy.

This utility model discloses a DC traction substation distribution cabinet device, including a cabinet body. A closed door is movably connected to one side surface of the cabinet body, and heat dissipation holes are provided on both sides of the cabinet body. A positioning top plate is fixedly connected to one side surface of the cabinet body, and a lifting adjustment component is provided at the lower end of the positioning top plate. This utility model changes the position of the connecting rod by moving the toggle block and squeezing the limit spring, thereby changing the engagement relationship between the cross-shaped locking block and the cross-shaped slot. This allows the connecting rod and related components to rotate independently without being rotated by the circular tube, enabling the protective plate to be opened and closed independently. Only the parts that need to be inspected or maintained are exposed, which can significantly reduce the opportunity for operators to come into contact with other unrelated parts inside the cabinet, simplify the operating environment, and thus reduce the risk of equipment failure or safety accidents caused by accidental contact.

The utility model relates to overload protector technical field, and disclose a kind of anti-failure overload protector, including bottom shell, the inside of bottom shell is equipped with spring, the inside one side of bottom shell is equipped with mounting seat and connecting seat, mounting head, protection component, electricity connection component.The utility model structure is reasonable, protection bolt is used to make protection seat installation fixed to mounting seat, electricity connection bolt is used to make electricity connection seat installation fixed to electricity connection seat, quickly make protection piece and electricity connection piece fixed to bottom shell, reduce the loosening after long-term use and lead to equipment failure influence use, metal sheet overheating and connecting block disconnect after connection, push protection button to make protection button in mounting head sliding movement by spring, protection button moves downward and contacts metal sheet, so that metal piece resets and connecting block is newly connected, rotate and take down rebound bolt to make rebound rod slide in protection button, rebound rod drives rebound block to move upward, rebound block extends button hole and pushes metal piece upward reset.

The polishing execution device comprises a swing rod assembly, a limiting rod, a polishing drum and a limiting block. The swing rod assembly comprises oppositely arranged first and second end faces, and has a through hole. The limiting rod is arranged in the through hole in an extendable and rotatable manner, and comprises oppositely arranged first and second ends. The first end of the limiting rod is elastically connected to the first end face of the swing rod assembly. The polishing drum is arranged on the second end face of the swing rod assembly, and has a limiting space inside. The side of the polishing drum, which is close to the second end face of the swing rod assembly, is provided with a limiting opening corresponding to the through hole, and the limiting opening is communicated with the limiting space. The limiting block is arranged on the second end of the limiting rod and located on the side of the limiting space where the limiting opening is arranged. Displacement or falling of the polishing drum during polishing is prevented, and equipment failure and product loss caused by human operation errors are avoided.

The utility model belongs to the field of compression equipment, specifically is a kind of compression machine with safety protection mechanism, including workbench, the top side wall of workbench is fixed with vertical plate, the top side wall of vertical plate is fixed with top plate, the top side wall of top plate is equipped with electric push rod, the output end of electric push rod is fixed with first movable shaft, the bottom side wall of first movable shaft is equipped with upper pressure head, by setting first bevel gear, second bevel gear, second threaded rod, second movable ring, fender and protective cover, the compression machine in work can be isolated with staff the danger generated by its external moving component, prevent personnel accidental contact to rotating, moving or high-temperature component, to reduce the accidental injury such as pinch injury, scald, and this setting can also protect the key components of compression machine from the damage of external environment, such as dust, damp, etc., help to keep the performance of equipment stable, prolong its service life, and reduce the downtime caused by equipment failure.

This application provides a safety control method and related devices for a battery swapping station, relating to the field of new energy vehicle charging and swapping technology. The method involves identifying the target device to be operated from among the station's equipment; collecting the target device's pre-action information, which is collected through a closed-loop judgment method using deployed sensors or state memory functions; and controlling the target device to execute the corresponding target action when the pre-action information meets the target device's corresponding pre-action state, while monitoring whether the target device experiences timeout execution. This application judges the pre-action state of the equipment before it executes an action to ensure that the equipment's execution environment meets requirements, and monitors for timeout execution after the action is performed. This allows for timely stopping when abnormalities occur during execution, thereby avoiding unexpected collisions due to equipment failure.

A dual-electromagnetic-valve sensor-controlled temperature faucet includes a faucet housing, a mixing valve core, hot and cold water inlet pipes, a first solenoid valve, a second solenoid valve, a sensor control unit, and a power supply unit. The first and second solenoid valves are respectively located on the hot and cold water inlet pipes. The sensor control unit is electrically connected to the solenoid valves via a control circuit. By installing the two solenoid valves at the hot and cold water inlet ends and placing the sensor control unit on the surface of the faucet housing or in an adjacent area, the space at the outlet end is effectively freed up, solving the problem of difficult installation of the sensing device and solenoid valves due to limited space at the outlet end of small or compact faucets. When retrofitting existing non-sensor-controlled faucets, there is no need for large-scale modifications to the outlet structure, reducing retrofit costs and not affecting water flow performance. In case of equipment failure, maintenance does not require disassembly of the outlet end components, lowering the maintenance threshold. At the same time, it ensures sensing sensitivity, improving the faucet's installation adaptability, retrofit convenience, and maintenance efficiency.

This application discloses a current sharing control method and system for an excitation system, belonging to the field of excitation system control technology. The method includes: acquiring the real-time current values ​​of each thyristor in the excitation system and the output current value of the rectifier cabinet; collecting the thyristor case temperature sequence, heat sink temperature sequence, and ambient temperature sequence; constructing a temperature prediction model to output the future temperature sequence of the thyristors based on a multi-dimensional feature vector constructed from the thyristor case temperature sequence, heat sink temperature sequence, ambient temperature sequence, historical current sequence, and current change rate; and generating trigger pulse adjustment commands based on the future temperature sequence of the thyristors output by the temperature prediction model, combined with the real-time current value of the thyristors and the output current value of the rectifier cabinet, to achieve current sharing control between rectifier cabinets and between thyristors. This method can predict future temperature changes of the thyristors, effectively improve the stability of the current sharing coefficient, avoid device failure caused by local overheating, extend the service life of the excitation system, and reduce heat dissipation energy consumption.

The application relates to the technical field of robots, and discloses a caisson narrow space operation robot device and a precise positioning construction method. The device main body is a circular shell with a circular cavity. A single power driving assembly is arranged in the circular cavity. A rotating disc is driven by a servo motor. Six T-shaped blocks are driven by an arc-shaped groove and a protrusion to realize alternate stable support of support legs and the inner wall of the caisson. The support legs are integrated with a three-degree-of-freedom adjusting mechanism, which is suitable for different inner diameters and irregular well walls. A linkage dustproof structure and an emergency anti-falling assembly are matched to complete precise positioning operation by a closed-loop construction method. The application improves the stability and adaptability of the caisson operation device, reduces the equipment failure rate, does not need manual intervention in the well, greatly improves the construction safety and operation efficiency, and solves the problems of poor support stability, insufficient inner diameter adaptability, weak dustproof protection, easy occurrence of downward shaking deviation and support failure of the existing caisson operation device.

This invention relates to the field of IoT communication technology for lubrication equipment, and discloses a method and system for switching control of IoT edge communication modes for lubrication equipment. Edge nodes collect real-time communication environment data, equipment operation data, and business data requirements. Based on this multi-dimensional data, a multi-dimensional switching decision model is constructed. Physical dimension differences are eliminated through standardization processing, and a comprehensive score for each supported communication mode is dynamically calculated. Dynamic monitoring is performed based on the comprehensive score and trigger conditions including preset difference parameters. When the conditions are met, the target communication mode is selected and seamless switching is performed. When a device fault is detected, a fault adaptation evaluation value is calculated, and a forced switch to a low-latency communication link is initiated. This invention achieves deep coupling between the underlying communication state and mechanical operating conditions, thereby possessing edge emergency takeover and overflow prevention buffering capabilities under network-wide interruption, ensuring equipment operational safety.

The present application relates to the technical field of fault prediction and health management, and specifically discloses a mine production scheduling management method based on equipment fault prediction and health management, comprising the following steps: S1: collecting the fault records and environmental parameters of the ventilator, and calculating and determining the gas and dust fault thresholds; S2: obtaining the average fault time by counting the equipment operation time, and determining the detection period in combination with the production shift; S3: collecting the operation parameters at three points in the detection period, and taking the average value as the core detection data; S4: standardizing the scores of the air volume, negative pressure and cumulative operation time to obtain three sub-item scores; S5: weighting the health degree and correcting it in combination with the environmental parameters to form a comprehensive health evaluation result; and S6: scheduling production according to the health degree classification and updating the data quarterly. The method constructs an intelligent scheduling mechanism, changes the traditional experience-driven mode, improves the continuity and safety guarantee level of mine production, and provides strong support for the construction of smart mines.

This utility model provides a fail-safe injection testing tool, including: a base plate and a testing device. An interface is provided at the center of one side of the testing device. It also includes: a moving component disposed on one side of the top outer surface of the base plate. The moving component includes: a rectangular groove located at the center of one side of the outer surface of the base plate, with a threaded rod rotatably mounted inside the rectangular groove. The connector of the device to be tested is placed inside a U-shaped plate. An adjusting wheel drives a bidirectional screw to rotate. The bidirectional screw, through two sliders, drives insulating clamps to move relative to or away from each other, adjusting according to the size of the connector to clamp and fix it. The insulating clamps improve safety and prevent the risk of electric shock in case of equipment failure. The U-shaped plate is fixedly installed on the top of the moving plate. Therefore, the U-shaped plate moves the fixed connector, embedding it into the interface and connecting it to the testing device.

Disclosed in the present invention are a panoramic sensing method and system for an operation state of a high-voltage device of a power transmission line. The method comprises: acquiring first monitoring data, first detection data and first image data of a target device; on the basis of a preset degradation analysis method, performing degradation analysis on the first monitoring data, the first detection data, and the first image data to obtain a first degradation magnitude, a second degradation magnitude, and a third degradation magnitude; establishing a comprehensive evaluation model, and on the basis of the first degradation magnitude, the second degradation magnitude, and the third degradation magnitude, acquiring an operation state of the target device; and completing state sensing on the basis of the operation state of the target device. The method and the system can effectively reduce the risk of power outage caused by a device fault, and improve the operation reliability of power transmission lines. By means of the non-contact monitoring technology, the requirements on device insulation performance are reduced, and the maintenance cost and the operation risk are reduced. By means of the multi-parameter fusion technology, real-time monitoring of device states is realized, and the comprehensiveness and accuracy of monitoring and evaluation are improved.

The application discloses a device alarm information generation method and device, equipment and medium, and relates to the technical field of device state evaluation. The method comprises the following steps: collecting a candidate power value of a target device at at least one candidate travel position in a current time period; determining a candidate abnormality degree of the target device at the candidate travel position according to the candidate power value, a target power abnormality threshold of the candidate travel position, an abnormality degree threshold and an abnormality correction coefficient; wherein the target power abnormality threshold of the candidate travel position is determined according to a device failure rate of a plurality of candidate devices in a historical time period; the candidate devices are of the same type as the target device; determining a target abnormality degree of the target device according to the candidate abnormality degree at each candidate travel position; and determining target alarm information of the target device from a plurality of candidate alarm information according to the target abnormality degree. The technical scheme of the embodiment of the application improves the generation efficiency of the alarm information and the stability of the device operation.

The present application belongs to the technical field of power protection, and particularly relates to a line protection CT disconnection discrimination method and computer equipment. The method obtains electrical quantity parameters at both ends of a line and participates in logical discrimination. If the electrical quantity parameters of the line meet all CT disconnection discrimination conditions proposed by the present application and meet a duration, it is determined that the CT at the local side of the line is disconnected. Wherein, the electrical quantity parameters of the line meeting all CT disconnection discrimination conditions means that the electrical quantity parameters of the line meet all preliminary CT disconnection discrimination conditions and the opposite side zero sequence current in the electrical quantity parameters is less than a no flow threshold value of the opposite side zero sequence current. The present application can normally discriminate when a CT disconnection of a current transformer occurs, block related protection, and ensure that a relay protection device does not malfunction. In combination with the added condition, the present application can not misjudge as a CT disconnection when a high resistance grounding fault occurs under a certain load, protect the relay protection device from normal operation, timely and effectively remove the fault, and avoid the phenomenon of protection device failure to operate, thereby expanding the fault range.

This invention discloses a live-line operation prevention device, belonging to the field of live-line operation technology. It solves the problem of safety accidents caused by high-speed tubing ejection due to personnel misoperation, equipment failure, or abnormal wellbore pressure in existing anti-top slip devices. The device includes a segmented housing, a straightening mechanism, and a locking mechanism. The segmented housing is cylindrical, and the tubing is inserted inside. Several sets of straightening and locking mechanisms are arranged in a ring inside the segmented housing, with the tubing located at the center of the straightening and locking mechanisms. In this invention, if the tubing abnormally ascends, the slip teeth are instantly triggered by the elastic force of the locking spring and the upward force of the tubing. The slip teeth bite the tubing, converting the upward force into a radial clamping force, achieving a self-locking effect of "the greater the upward force, the tighter the clamping," thereby intercepting the tubing within the device and preventing high-speed tubing ejection from causing safety accidents.

The application discloses a device fault detection method and device and a storage medium. In one aspect, the prior probability of occurrence of each fault cause is determined based on the operation data of a screw compressor, and the likelihood probability of occurrence of a target fault under the condition of occurrence of each fault cause is determined, the posterior probability of occurrence of each fault cause corresponding to the occurrence of the target fault is calculated according to the prior probability and the likelihood probability, and the detection order of all fault causes when the target fault occurs is determined according to the size of the posterior probability of occurrence of each fault cause. In another aspect, the time sequence data of a characteristic parameter is monitored to determine whether the preset range under the current working condition is met, so that the reliability of subsequent fault causes is improved.

The utility model discloses a subway electromechanical device mounting seat belongs to electromechanical device installation technical field, the utility model is provided with the pedestal that can be seated on the foundation pit, the pedestal lower part is contacted with the foundation pit through the vibration isolator still includes the panel structure that covers in the joint position of the pedestal edge and ground, the panel structure includes the base and the panel that is connected with the base hook, wherein, the base is fixedly connected on the foundation pit and the symmetry of the pedestal lateral wall, the base top end has the cantilever section for hanging the panel, and the panel lower surface is contacted with the decorative surface through the vibration isolator rubber strip, the utility model not only can effectively reduce electromechanical device failure rate, can also effectively avoid the risk of foreign matter falling into the gap, eliminates the hidden danger, and the ground is beautiful.

This invention provides an automatic testing and evaluation method and system for ESD / TVS devices, comprising: constructing a test environment simulating actual data transmission conditions; coupling the device under test (DUT) to a signal transmission line within this test environment; injecting various preset data stream stimuli into the signal transmission line while simultaneously acquiring the multimodal response characteristics of the device during data stream transmission; identifying transient behavior events of the device during data stream transmission based on the multimodal response characteristics; performing matching analysis between the transient behavior events and a preset device failure mechanism model to determine the reliability level of the device; constructing a digital twin model of the target device based on the multimodal response characteristics; simulating the dynamic behavior of the target device under different application scenarios based on the digital twin model; and outputting application adaptability evaluation results. This invention can provide early warning of potential failure risks, offer quantitative guidance for device selection and circuit design, and significantly enhance the practical application value of test results.

This invention relates to the field of thermal power plant boiler equipment technology, and in particular to a method and system for self-diagnosis of faults in unattended thermal power plant boiler equipment. The method collects data on thermal efficiency, heat flow distribution, and environmental parameters under different operating conditions to construct a thermal characteristic dataset. Based on changes in thermal gradient and combined with system geometry and material thermodynamic parameters, it analyzes the trends of heat accumulation and dissipation, generating a three-dimensional thermal anomaly distribution map and thermal risk accumulation rate data. Based on this, it constructs a thermal path network model, identifies thermal risk propagation paths, determines the fixed and dynamic sensing point locations of potential fault areas, and forms an optimized layout scheme for sensing points throughout the entire operating cycle. Monitoring devices are deployed in key areas to collect operational data, extract thermal dynamic characteristics, identify abnormal heat transfer modes, achieve accurate self-diagnosis of equipment faults, and trigger fault warning and self-repair mechanisms, effectively supporting intelligent operation and maintenance and continuous heating assurance of thermal power plant boilers in unattended scenarios.

This application relates to the field of charging facility operation and maintenance management technology, and in particular to a charging pile operation and maintenance management method based on a PaaS platform. The method includes acquiring and constructing an operation and maintenance topology model based on the power distribution network connection information and road network traffic information of charging piles within a region; if an abnormal alarm signal is reported by a target charging pile, then based on the operation and maintenance topology model, acquiring and verifying the fault validity of the abnormal alarm signal according to the operating data of the reference pile group associated with the target charging pile, and determining the fault determination result; when the fault determination result is a device fault, then based on the operation and maintenance topology model, calculating and determining the priority of the operation and maintenance work order according to the surrounding service redundancy status value of the target charging pile; acquiring and determining a scheduling operation and maintenance plan based on the real-time location of the operation and maintenance personnel and the priority of the operation and maintenance work order, so that the operation and maintenance personnel can execute operation and maintenance operations according to the scheduling operation and maintenance plan. This application has the effect of improving the scheduling efficiency of charging pile operation and maintenance management.

Embodiments of the present application provide a device fault processing method and device, the method comprising: obtaining first repair skills, first skill levels, current repair state characteristics, historical repair efficiency characteristics of each repair engineer, and repair information of a device to be processed; determining repair task characteristics of the device to be processed based on the repair information, the repair task characteristics comprising: a fault level, second repair skills, second skill levels, and a fault repair strategy; determining a target repair engineer corresponding to the device to be processed from N repair engineers based on the first repair skills, the first skill levels, the current repair state characteristics, the historical repair efficiency characteristics of each repair engineer, and the repair task characteristics; and generating and sending a repair task instruction to the target repair engineer based on the fault repair strategy, the repair task instruction being used to instruct the target repair engineer to repair the device to be processed according to the fault repair strategy.