40results about How to "Quick Troubleshooting" patented technology

The invention discloses a water chilling unit online fault determination method and system, a terminal and a computer readable storage medium, and the method comprises the steps: obtaining a plurality of feature groups of a water chilling unit, and obtaining the working condition sub-cluster data corresponding to the feature groups according to the feature groups; constructing a first auto-encoder model corresponding to each working condition sub-cluster data, and obtaining a reconstruction error result corresponding to each working condition sub-cluster data according to each corresponding working condition sub-cluster data based on each first auto-encoder model; and constructing a second auto-encoder model corresponding to each fault type of the water chilling unit, and inputting each reconstruction error result to the second auto-encoder model to obtain a fault result, the fault result comprising a fault of a known fault type and a fault of an unknown fault type. Rapid detection and fault diagnosis of the running state of the water chilling unit across equipment and working conditions can be achieved, the capacity of identifying unknown faults is achieved, and the accuracy of fault detection and diagnosis of the water chilling unit is improved.

The utility model discloses an intelligent garage thrust car stopping mechanism, which belongs to the technical field of intelligent garage equipment and comprises a frame body, a turning cover is movably mounted on one side of the top of the frame body, a car stopping roller is rotatably mounted at the bottom of the turning cover, and a linear gear reducer is fixedly mounted in an inner cavity of the frame body. A motor push rod is installed on the linear gear reducer in a matched mode, a transmission assembly is arranged between the turning cover and the motor push rod, one end of the motor push rod is used for turning the roller through the transmission assembly, and an auxiliary supporting assembly is installed in the inner cavity of the frame body and located on one side of the linear gear reducer. By simplifying the structure and optimizing space utilization and debugging and maintenance modes, the overall performance and reliability of equipment are improved, the requirements of practical application are met, the design has remarkable advantages in the aspects of simplifying operation and reducing cost and maintenance difficulty, and an efficient and reliable car arrester solution is provided for the market.

The invention belongs to the technical field of energy storage equipment, and particularly relates to a fault diagnosis and protection device for an energy storage battery system. According to the invention, after the normal operation curve of the energy storage battery system is obtained, the operation curve is used for coupling comparison, so that the battery operation risk is quickly judged, the protection action is carried out in time, and the operation stability and safety of the energy storage battery system are improved; the comparison of a voltage temperature operation curve and a temperature operation curve is set according to different fault conditions, so that the fault diagnosis is more comprehensive, and corresponding fault protection measures can be triggered more accurately; particularly, the criterion of fault judgment through comparison of the voltage operation curve is combined with the comparison result of the temperature operation curve, so that abnormal voltage data can be found, and false triggering of fault protection measures caused by the abnormal voltage data is avoided; temperature protection effective timing is introduced into the criterion for fault judgment through comparison of temperature operation curves, and false triggering of fault protection measures caused by abnormal temperature data can also be avoided.

This invention relates to an intelligent fault handling method, a prefabricated substation, a cloud server, and a storage medium. The method includes: performing preliminary fault diagnosis on preprocessed feature data to obtain initial fault diagnosis results; based on the initial fault diagnosis results, performing feature fusion on the feature data using a dual-branch feature fusion model to obtain fused data; performing fault diagnosis based on the fused data and outputting fault diagnosis results; and generating an optimal inspection route based on the fault level and impact range of the fault diagnosis results. The technical solution provided by this invention achieves rapid, intelligent, and accurate fault diagnosis through preliminary and secondary fault diagnosis mechanisms. Compared to manual inspection, it significantly shortens fault screening and repair time, improves fault diagnosis accuracy and maintenance efficiency, and reduces maintenance costs.

The invention relates to the technical field of fault diagnosis, in particular to a width learning electromechanical equipment fault diagnosis method based on graph regularization, and the method comprises the steps: obtaining feature parameters and state data of an actuator at each operation moment; constructing a width learning fault diagnosis model; improving an objective function of the width learning fault diagnosis model to obtain an improved objective function; adding a regularization item into the improved objective function based on a manifold learning method to obtain a final objective function; and inputting the input data at the current moment into the target width learning fault diagnosis model, and outputting state data of the electromechanical equipment. According to the method, the robustness of the width learning fault diagnosis model is enhanced, and the fault diagnosis accuracy is improved.

The invention relates to the technical field of power distribution automation terminal equipment operation and maintenance, and discloses a power distribution automation terminal working module voltage measurer which comprises a measurer shell, a plurality of input ports installed on the measurer shell, and a signal conditioning circuit located in the measurer shell and electrically connected with the input ports. The analog-to-digital converter is electrically connected with the signal conditioning circuit, the digital processing unit is electrically connected with the analog-to-digital converter, and the display module, the data storage module and the communication interface are electrically connected with the digital processing unit. And the power supply module is positioned in the measurer shell and is electrically connected with the signal conditioning circuit, the analog-to-digital converter, the digital processing unit and the data storage module. Through the display screen of the power distribution automation terminal working module voltage measurer, the voltage conditions of an internal working power supply, a back-up power supply, a device power supply and a communication power supply of power distribution automation terminal equipment are displayed in real time, so that an operator can intuitively judge a fault point.

The utility model relates to the technical field of energy storage, in particular to an energy storage confluence cabinet. The energy storage confluence cabinet comprises a cabinet body, a communication and switch module, a main circuit break switch module, a branch circuit break switch module, an auxiliary switch module, a first cabinet door and a second cabinet door. The cabinet body comprises a first opening and a second opening which are arranged oppositely; the communication and switch module is arranged in the cabinet body and is adjacent to the first opening; the main circuit break switch module is arranged in the cabinet body and is positioned below the communication and switch module; the branch circuit break switch module is arranged in the cabinet body and is positioned below the main circuit break switch module; the auxiliary switch module is arranged in the cabinet body and is adjacent to the second opening; the first cabinet door is rotatably arranged on the cabinet body, and the first cabinet door is used for opening or closing the first opening; the second cabinet door is rotatably arranged on the cabinet body and used for opening or closing the second opening. Through the mode, the energy storage confluence cabinet can be conveniently maintained, the size of the cabinet body is reduced, workers can conveniently and rapidly troubleshoot faults, and the maintenance efficiency is improved.

The utility model belongs to the technical field of intake manifolds, and provides an intake manifold device for a compressed air system of a power station, which comprises a steam pocket, a reducer and a branch pipe, two ends of the steam pocket are respectively provided with an air inlet and a water outlet, the reducer comprises a first reducer and a second reducer, the first reducer is connected with the air inlet of the steam pocket, and the second reducer is connected with the water outlet of the steam pocket. One end, far away from the steam pocket, of the second reducer is connected with the drain valve; a plurality of branch pipe connecting ports are uniformly formed in the two sides of the steam pocket, each branch pipe connecting port is communicated with a branch pipe through a branch pipe seat, and one end, far away from the steam pocket, of the branch pipe is connected with a user pipeline through a branch valve. The utility model provides an intake manifold device for a compressed air system of a power station, which can enable all user pipelines of the compressed air system to be arranged in a centralized manner, realize integration, improve the space utilization rate and facilitate the operation of overhaul and maintenance.

The application discloses a direct current transmission converter transformer valve side ground fault diagnosis method, device and storage medium, belongs to the technical field of direct current transmission system fault diagnosis, and the direct current transmission converter transformer valve side ground fault diagnosis method provided by the application comprises the following steps: when the converter transformer valve side is grounded, the number of fault current phases of the converter transformer valve side is determined; when the number of fault current phases is two, it can be determined that a single-phase ground fault exists in the connecting line between the converter transformer valve side and the converter valve; and when the number of fault current phases is one, it can be determined that a ground fault exists in the valve side winding of the converter transformer. When the converter transformer valve side is grounded, the number of fault current phases is used to determine the fault position, manual operation is not required, and the fault position can be quickly determined for fault troubleshooting.

The utility model provides a centrifugal fan, and relates to the technical field of fans. An electrical shell of the centrifugal fan is arranged above a motor shell of the centrifugal fan, and a circuit control board and a maintenance assembly are arranged in the electrical shell. The maintenance assembly comprises a packaging box body and a wiring circuit board, a plurality of plugging terminals are arranged on two opposite end portions of the wiring circuit board along corresponding end portion contours, the plugging terminals at the same end portion are distributed in a single row, and the two rows of plugging terminals are communicated in a one-to-one correspondence mode. The two rows of plugging terminals are respectively embedded in two opposite first side plates of the packaging box body in a one-to-one correspondence manner; the plurality of plugging terminals located at the first end of the wiring circuit board are used for connecting a circuit control board, and the plurality of plugging terminals located at the second end of the wiring circuit board are used for connecting a power supply module, acquisition equipment and serial port equipment. According to the embodiment of the invention, the overhauling efficiency and the maintenance convenience of the centrifugal fan can be improved.

The application discloses a kind of methods and systems for fault detection and comprehensive management applied to airborne computer platform, belong to airborne computer embedded software technical field.The method of the present application includes: combing the features of airborne computer platform software operation, determine fault detection point, and fault detection point is classified according to the correlation between airborne computer platform hardware and the correlation with software operation state and stratification classification;According to the stratified fault detection point, establish stratified fault information coding;According to stratified fault information coding, complete fault record;The fault recorded is visually displayed.By the present application, the fault detection point of airborne computer platform can be hierarchically recorded and managed, and the user is provided with intuitive fault judgment ability through visualization technology, the faults of each level of complex airborne computer platform are decoupled, and the fault troubleshooting efficiency, safety and reliability of airborne computer platform are improved.

The present application discloses a method, system, terminal and computer-readable storage medium for determining online faults of a chiller, the method comprising: obtaining multiple feature groups of the chiller, and obtaining the working condition sub-cluster data corresponding to each of the multiple feature groups according to the multiple feature groups; constructing a first autoencoder model corresponding to each working condition sub-cluster data, and based on each first autoencoder model, obtaining the reconstruction error result corresponding to each working condition sub-cluster data according to each corresponding working condition sub-cluster data; constructing a second autoencoder model corresponding to each fault type of the chiller, inputting each reconstruction error result into the second autoencoder model, and obtaining the fault result, wherein the fault result includes faults of known fault types and unknown fault types. The present application can realize the rapid detection and fault diagnosis of the operating status of the chiller across equipment and working conditions, and has the ability to identify unknown faults, thereby improving the accuracy of the fault detection and diagnosis of the chiller.

The invention relates to an environment sensing intelligent fan lamp control method and device, equipment and a medium. The method comprises the steps that infrared sensing data are acquired, and personnel position information is acquired according to the infrared sensing data; acquiring environment temperature data, and inputting the environment temperature data and the personnel position information into an environment wind power curve preset by a system to obtain wind power calculation data; acquiring environment gas data, and when marked gas data in the environment gas data reaches a marked gas threshold value set by a system, generating perfume output dose data according to the wind power calculation data; acquiring environment brightness data, and inputting the environment brightness data and the personnel position information into a brightness calculation model preset by the system to obtain brightness calculation data; and generating a corresponding fan lamp adjusting instruction according to the wind power calculation data, the perfume output dose data and the brightness calculation data. The fan lamp has the effect of improving the environment perception capability of the fan lamp.

The pneumatic actuating mechanism comprises an air cylinder, a piston, a gear shaft, an end cover, a fastening assembly, a transmission shaft installation connector and a pressure selection valve, and the valve comprises a valve body, a valve seat, a valve element, a valve rod and a sealing ring. The pneumatic actuating mechanism and the valve are applied to the blast regeneration dryer, and can be controlled in a two-way competition mode: when the pressure in the adsorption tower is higher than the instrument gas pressure, the pneumatic actuating mechanism is controlled by a gas source in the tower; when the pressure in the tower is lower than the pressure of the instrument gas, the pneumatic actuating mechanism is controlled by the instrument gas. Namely, when the pressure in the regeneration tower is higher, the pneumatic actuating mechanism is in a self-locking state until the pressure in the tower is completely released.

The application provides a power grid fault traveling wave positioning method based on a fusion optimization algorithm, comprising: establishing a dynamic virtual fault framework model of a power grid, randomly generating a plurality of virtual fault particles containing position coordinates, and constructing an initial virtual fault particle cluster; using a shortest path algorithm to calculate the topological path length of each virtual fault particle in the virtual fault particle cluster to all measurement points in the power grid, and then calculating a virtual fault space-time feature vector; setting the traveling wave arrival time when a real fault occurs as a target clustering centroid in a feature space, and calculating a feature matching fitness; constructing a non-convex optimization problem with the optimal feature matching fitness as a target, solving the problem using a fusion optimization algorithm, and thus obtaining a fault positioning result and a traveling wave velocity, so as to realize traveling wave positioning. The application can solve the problems of local optimum, slow convergence speed and high calculation cost in the prior art.

This utility model relates to the field of testing device technology and discloses a testing device for an automotive cockpit controller, comprising: a main cabinet, which is divided into multiple functional layers along a first direction by partitions, the functional layers being suitable for testing at least one function of the automotive cockpit controller; and a darkroom connected to the main cabinet, the darkroom being suitable for forming a dark space; the main cabinet includes: a first side panel, the first side panel being suitable for mounting the object under test for testing in the darkroom. By dividing the main cabinet into multiple functional layers along the first direction, the parallel testing capability of multiple functions of the automotive cockpit controller is realized. This not only optimizes space utilization but also significantly improves testing efficiency, allowing different functional modules to be tested simultaneously, greatly shortening the overall testing cycle. The connection design of the darkroom provides a controllable dark environment for optically related tests, ensuring the reliability and consistency of test data.

This utility model discloses a more compact fuel pump, including a fuel pump, a motor, and a control unit connected to the motor. The control unit forms a mounting cavity, and an overload protector, a switch, and a drive rod are disposed within the mounting cavity. The overload protector is electrically connected to the switch, the switch has a protruding control end, and the drive rod has a recessed drive groove, with the control end located within the drive groove. One end of the drive rod extends to the outside and slides within the mounting cavity. This utility model has the following advantages and effects: it adopts a compact design, optimizes the original structure and integrates functions, reducing the overall volume, effectively solving the technical bottleneck of difficult installation of traditional equipment in confined spaces, effectively avoiding poor contact, improving equipment reliability, reducing maintenance costs, and adapting to space-constrained industrial applications.

The invention provides a pumped storage power station SFC control method based on Ethernet communication, the control method is based on a control network structure of Ethernet communication, an LCU of each generator set is connected with a public LCU through a network A and a network B of a double-loop network, SFC control information of the LCU of each generator set is gathered to the public LCU, programming is carried out in a controller of the public LCU, information integration is completed, and the SFC control information of the LCU of each generator set is stored in the public LCU. The common LCU controls the SFC devices in a one-to-one mode, and state feedback signals of the SFC devices are transmitted to the common LCU and transmitted to the corresponding unit LCU through SFC selection marks. The use amount of bridging relays is reduced, control failure caused by unreliable relay contacts is reduced, and the pumping phase modulation starting success rate of the pumped storage unit can be improved. Fault diagnosis information can be transmitted to a power station computer monitoring system through communication and programming, faults can be quickly positioned, only communication physical channels and control programs need to be checked, tedious relay bridging loops do not need to be checked, fault removal is faster, and operation and maintenance are more reliable and convenient.

The application discloses a ship lift bearing ship chamber on-line monitoring method and monitoring system, including the following contents: data monitoring, data acquisition, state evaluation and fault analysis; the health state of the equipment of the ship lift is evaluated according to the collected data; if the evaluation result is abnormal, a prewarning or alarm signal is sent according to the abnormal degree; when the alarm is monitored, the collected data is compared with the data in the data storage module, the alarm information is diagnosed and analyzed to generate the equipment fault maintenance decision; the application monitors the structure capacity and operation posture of the bearing ship chamber, and realizes real-time control of the structure performance index and equipment operation state of the bearing ship chamber, so that the bearing ship chamber is monitored; when the health state of the bearing ship chamber is in an abnormal state, the bearing ship chamber is adjusted and maintained in time; when the alarm signal is received, the monitoring data is compared with the data in the data storage module, the fault diagnosis is quickly obtained, and the maintenance decision is given.

The utility model provides an equipment fault detection device, which comprises a bearing table, a detection platform and a detection structure, the detection platform and the detection structure are both arranged on the bearing table, the detection platform is used for placing fault equipment, the position of the detection platform in the length direction of the bearing table is adjustable, and the detection structure comprises an assembly block spaced from the top surface of the bearing table. The assembly block is used for installing an external fault detection device, the position of the assembly block in the height direction relative to the bearing table is adjustable, and the position of the assembly block in the width direction of the bearing table is adjustable. By the adoption of the scheme, when the fault equipment needs to be placed on the bearing table, the position of the detection platform can be adjusted to be close to the edge of the bearing table, and after an operator places the fault equipment on the detection platform, the fault equipment is conveyed to the center area of the bearing table through the detection platform; and the situations that manual carrying and placing are difficult and the placing position is prone to being inaccurate are avoided, and the practicability of the equipment fault detection device is further improved.

The application discloses a kind of variable working condition equipment key component fault diagnosis method of class disequilibrium data driving. For the key rotating component in electromechanical complex equipment, obtain the vibration signal and its fault type under the normal and fault state operation of component, construct diagnostic data set and train model, so as to obtain the diagnostic result of the sensor data to be predicted using the trained fault diagnosis model. The application considers the complex situation that the current industrial monitoring data is under variable working condition and class disequilibrium, firstly applies channel-by-channel convolution to generate local feature enhancement weight matrix, and realizes feature enhancement in local feature space using fewer training parameters;Design and introduce wide-range convolution kernel considering the inherent physical characteristics of rotating components, fully and stably capture effective feature information under variable working condition, realize end-to-end fault diagnosis of key rotating components of electromechanical equipment. The application is simple and efficient, not only has theoretical innovation, but also has high practicability.

The embodiment of the invention provides a production data processing method and device, a computer storage medium and electronic equipment, the production data processing method is applied to the electronic equipment in communication connection with a target production system, and production process data of the target production system is acquired; the production process data comprises operation data of production equipment in the target production system and quality data of products produced through the target production system; based on a preset production anomaly database and the production process data, target anomaly data and a corresponding target anomaly solution are determined, and the production anomaly database comprises anomaly parameter ranges of different production process data and an anomaly solution corresponding to at least one anomaly parameter range; and the target abnormal data and the corresponding target abnormal solution are displayed, so that a user can know the abnormal condition of the target production system in the production process in time, the troubleshooting and solving efficiency of the target production system is improved, and meanwhile, the labor cost is reduced.

This invention discloses an intelligent alarm monitoring system and method for multimodal equipment in a steel plant. It includes the following components: a multimodal sensor network for real-time acquisition of operational data from gas, fire, and high-voltage frequency converter equipment in the steel plant; a data acquisition and preprocessing module responsible for receiving data from the multimodal sensor network and performing preprocessing operations such as data cleaning, filtering, and normalization to improve data quality and usability; an intelligent alarm analysis module that, based on machine learning algorithms and expert system rules, performs real-time analysis of the preprocessed data to determine if there are any abnormal states in the equipment and generates corresponding alarm information; and an alarm information management module that classifies, stores, and manages the generated alarm information and promptly pushes the alarm information to relevant personnel according to the severity and priority of the alarm. This invention achieves comprehensive monitoring of gas, fire, and high-voltage frequency converter equipment in a steel plant by integrating data from multiple sensors.

The invention discloses a troubleshooting method and device, equipment, a medium and a product, and the method comprises the steps: obtaining a plurality of pieces of equipment operation data of production equipment, and generating alarm information when at least one piece of equipment operation data is abnormal; a machine locking instruction sent by the platform end is obtained, operation of the production equipment is stopped according to the machine locking instruction, and the platform end generates the machine locking instruction when monitoring the alarm information; and performing troubleshooting on the production equipment according to the alarm information to obtain an equipment troubleshooting result. According to the technical scheme, automatic alarming and machine locking under the abnormal condition are achieved, the manual troubleshooting cost is reduced, and the troubleshooting efficiency is improved.

According to the improved structure of the hydraulic transmission distributor, under the integrated operation of a control circuit and an automatic driving assembly, when a signal from a distributed control system provided with a pipeline is received, the control circuit operates a flow dividing disc to rotate by an angle in a distributor according to a preset control mode, and the flow dividing disc rotates by an angle in the distributor; and external hydraulic oil is guided to sequentially flow into the pipeline to reach different valves, so that the performance of liquid transmission is accurately controlled, and a stable and reliable control effect is achieved.

A mobile controller service tool comprises a shell, a wire harness assembly, a battery and a power management module are arranged in the shell, and the mobile controller service tool further comprises a main electric switch, an awakening electric switch and a controller interface which are arranged on the side wall of the shell. The battery is electrically connected with the power management module through the wire harness assembly, the power management module is sequentially connected with the controller interface in series through the wire harness assembly and the main power switch, and the power management module is sequentially connected with the controller interface in series through the wire harness assembly and the wake-up power switch. Through reasonable arrangement of component structures, the whole tool integrates the flash wiring harness, the power supply, the switch and the like in a common shell, so that rapid flash, forced flash, data reading, fault diagnosis and the like of the controller can be realized, external wiring harness, power supply and other components are not needed during use, the use is convenient, the reliability is high, and the cost is low. And the program flashing and the data diagnosis of the controller are more convenient and efficient.

The present invention discloses an externally excited vibration audio response vehicle detection device and a detection method thereof, comprising a detection area composed of a plurality of segmented rails, gaps of varying widths are left between the rails, an elastic roadbed is laid under the rails, an audio vibration sensor is installed between each section of the rail and the elastic roadbed, the audio vibration sensor is electrically connected to a data preprocessor, and the data preprocessor is electrically connected to a computer. When the wheels naturally sink through the narrow gaps of a series of rails, a vibration impulse excitation is generated on the vehicle structure, and a wave response is generated under this excitation and transmitted to important parts such as the vehicle body, bogie and coupler, the response signal is received by the sensor and the characteristic spectrum of the response is analyzed by the computer, and in the case of comparison with the standard characteristic spectrum, the degree and nature of defects in the structure and materials of important parts such as the vehicle body, bogie and coupler can be quickly diagnosed.

The invention discloses a fault diagnosis method based on neural network analysis, and relates to the technical field of fault diagnosis, and the method comprises the steps: collecting historical system data in a complex equipment system; performing preprocessing operation on the historical system data to generate corresponding target system data; extracting target system features corresponding to the target system data based on a convolutional neural network; calculating an information gain corresponding to the target system feature as a splitting standard, and constructing a decision tree model for fault diagnosis according to the splitting standard; and obtaining current system data in the complex equipment system, inputting the current system data into the decision tree model for fault diagnosis, outputting a corresponding fault diagnosis result, and displaying the fault diagnosis result to a user side. According to the method, feature extraction can be carried out through the convolutional neural network, the accuracy of fault diagnosis is improved, the diagnosis time is shortened, the requirement for data integrity is reduced, and then the reliability, repairability and safety of a complex equipment system can be improved.

The invention provides experimental equipment for an intelligent power distribution switch cabinet and a use method thereof, the experimental equipment comprises an experimental equipment main body, and an isolation door and an insulation panel are arranged, so that the experimental equipment can protect an operator from being damaged by electric shock and other potential dangers during fault simulation. And by adding protection elements such as a leakage protector, an overload protector and a short circuit protector, a real circuit protection process can be simulated in an experiment, and the safety of the experiment is enhanced. By using a temperature sensor, a current sensor and a voltage sensor, key parameters in the experiment process can be monitored in real time and displayed on an experiment result display, and rapid analysis and fault diagnosis are facilitated. Therefore, researchers or technicians can better understand the performance of the power distribution switch cabinet under various conditions. Various faults possibly occurring in the power distribution system can be simulated through an overload simulation tester, a short circuit simulation tester and a fault signal generator in the fault simulation element.

The utility model relates to the technical field of hard disk brackets, and discloses a server hard disk bracket which comprises a bracket frame and two fixing columns, a plurality of ventilation openings are formed in the bracket frame, grooves are formed in the front side and the rear side of the bracket frame, square grooves are formed in the inner walls of the fixing columns, and the fixing columns are arranged in the square grooves. Sliding plates are slidably connected to the inner walls of the square grooves, a plurality of pull rods are fixedly connected to the far sides of the two sliding plates correspondingly, extension springs are arranged in the square grooves, clamping blocks are slidably connected to the interiors of the fixing columns, and connecting plates are fixedly connected to the right sides of the clamping blocks; two reset springs are fixedly connected to the sides, close to each other, of the two connecting plates correspondingly. According to the utility model, the mounting and dismounting of the hard disk bracket are realized, so that the maintenance process of the server is simplified, the maintenance time can be obviously shortened, the availability and efficiency of the server are improved, and the hard disk is easily dismounted.