122results about How to "Increased operating life" patented technology

The invention belongs to but not limited to the technical field of fault diagnosis and maintenance of power equipment, and discloses an intelligent diagnosis and maintenance system and method for power equipment based on a knowledge graph. A data acquisition and preprocessing module acquires real-time operation data and historical data of the power equipment; the knowledge graph construction module associates various kinds of information of the power equipment to construct a knowledge graph; the intelligent diagnosis module performs association analysis on power equipment faults based on a knowledge graph and a machine learning algorithm, identifies fault modes and potential faults, and predicts possible faults of the equipment; the maintenance suggestion module automatically generates a detailed maintenance scheme according to the diagnosis result; the operation and maintenance visualization module provides visual fault diagnosis results and maintenance suggestions, supports multi-level data display, and helps operation and maintenance personnel to clearly understand the equipment state. The operation safety of the power equipment is improved, the operation and maintenance cost is remarkably reduced, and the overall efficiency of equipment management in an intelligent power grid environment is improved.

The invention discloses a multi-working-condition-oriented equipment fault diagnosis method based on unbalanced learning, and the method comprises the following steps: collecting the operation data of equipment under different working conditions through a plurality of sensors, carrying out the preprocessing, feature extraction and feature selection of the collected original operation data, and obtaining a feature set; processing the feature set by adopting an unbalanced learning technology and a cost-sensitive learning algorithm to obtain a balanced data set; constructing a multi-working-condition fault diagnosis model based on learning, and optimizing model parameters by adopting a method of combining cross validation and grid search according to a balanced data set in a model training process; deploying a multi-working-condition fault diagnosis model obtained through training, carrying out the online diagnosis of equipment faults, and continuously updating and optimizing the model through a continuous learning mechanism. According to the method, the unbalanced learning technology is applied to multi-working-condition fault diagnosis, the accuracy and robustness of diagnosis can be remarkably improved, and real-time monitoring and predictive maintenance of the equipment health state are achieved.

The invention relates to an air blower based on magnetic and gas combination axial force balance and a control method of the air blower, and belongs to the technical field of axial force regulation and control of air blowers. An axial air suspension bearing and an axial magnetic bearing are arranged in a main machine of the air blower, the axial magnetic bearing is connected with a magnetic bearing controller, and the magnetic bearing controller controls the axial position of a rotor by controlling the current of the axial magnetic bearing; an axial displacement sensor and a radial displacement sensor are arranged to detect the displacement of the rotor; and the main controller is used for controlling the starting and stopping of the axial magnetic bearing and the main machine based on the axial displacement and the radial displacement of the rotor, and sending out early warning. According to the magnetic and air combined axial force balance device, the axial magnetic bearing is used for providing active control force, the air bearing is used for providing passive support, the stability and reliability of a system are improved, and an important protection effect is achieved on core parts of an air blower.

The invention relates to the technical field of wind resource assessment and wind power plant optimization, and discloses a multi-source information fusion measurement system combining laser radar data and wind resource assessment, and the system comprises a data collection module which is used for collecting laser radar data, synthetic aperture radar data, numerical weather forecast data and ground weather station data; the data preprocessing module is used for carrying out noise filtering, time alignment, space alignment and data calibration on the collected data; the information fusion module is used for dynamically fusing the preprocessed multi-source data and outputting high-precision wind speed and turbulence characteristic distribution; and the wind field modeling and prediction module is used for constructing a dynamic three-dimensional wind field based on the fusion data and performing short-time wind speed prediction. Through multi-source data deep fusion, dynamic wind field modeling and intelligent optimization modules, the comprehensive effects of high-precision wind field evaluation, nonlinear wind speed prediction and fan layout global optimization are achieved.

The invention discloses an industrial Internet of Things edge computing unloading method and system based on a distributed deep neural network, and the method comprises the following steps: firstly, introducing a feature matrix of an attention mechanism optimization task, transmitting the optimized task features to a multi-layer deep neural network DNN, and generating an unloading decision set in parallel; allocating resources for each task; after the to-be-unloaded task is preliminarily selected, computing resources of the high-priority task are preferentially guaranteed in the resource allocation stage according to the priority and deadline of the task. For tasks with relatively large calculation amount or relatively high priorities, decision storage is performed by using a cache strategy to optimize unloading and resource allocation processes of subsequent similar tasks, so that efficient and low-delay task unloading in a large-scale and multi-task environment is realized. Meanwhile, a distributed cache updating mechanism is utilized in each unloading time slot, the unloading decision precision is continuously optimized, and the unloading efficiency and the overall stability of the system are improved.

The invention relates to the technical field of generator set fault detection, in particular to a nuclear power emergency diesel generator set health detection method. Vibration signals and thermal parameters in the working process of the diesel generating set are collected through an external sensing device; filtering the collected vibration signals and establishing a dynamic data set; establishing a kinetic model of the diesel generating set according to the vibration signals in the dynamic data set, and performing anomaly analysis according to the established kinetic model and the thermal parameters to obtain abnormal vibration signals; and evaluating the health degree of the diesel generating set according to the abnormal vibration signal. The invention further provides a nuclear power emergency diesel generating set health detection system, the nuclear power emergency diesel generating set health detection method is adopted to achieve real-time monitoring and early warning of the diesel generating set, and the operation efficiency and safety of the emergency diesel generating set are effectively improved.

The invention discloses a method for predicting the service life of a proton exchange membrane fuel cell based on deep learning. The method comprises the following steps: carrying out noise reduction processing on proton exchange membrane fuel cell data by using discrete wavelet transform, and extracting feature data; the characteristic data are input into a trained deep learning model, predicted voltage data of the proton exchange membrane fuel cell are obtained, then the remaining useful life of the cell is determined based on the predicted voltage data, and the deep learning model is constructed based on a Non-station Transformer model. The method can effectively improve the prediction precision of the remaining useful life of the cell, predicts the attenuation state of the proton exchange membrane fuel cell, and facilitates the design of a related energy management strategy to prolong the service life of the cell.

The invention discloses a visual quantitative measurement and analysis device and method for detecting the surface discharge degree of an insulating material, and relates to the field of visual quantitative detection of the surface discharge degree of the insulating material. By constructing an electrostatic discharge system, the pulse discharge process of the insulating surface under the actual operation condition is simulated, and then the surface of the insulating material is induced to discharge. A visual processing device is built, through the polarization effect between dust and charges, the surface charge distribution condition is rapidly reproduced through the dust, and equipment recording is shot. A gray-scale map working principle is applied, a gray-scale conversion and binarization processing program is written, the program is started to convert a recorded picture into a binary image only containing black and white pixel points, the number of the pixel points is counted, and the charge distribution density in an effective discharge radius is calculated through formula conversion, so that the electrostatic discharge degree is quantitatively represented. By changing environmental conditions such as humidity and air pressure, service life state evaluation of the insulation equipment and insulation detection and structure optimization work of the novel insulation equipment in a complex environment are researched.

The invention provides a grinding, spraying and rolling composite surface machining method for a gear tooth surface, which comprises the following steps of: determining the overall maximum elastic deformation of a gear to obtain a modified theoretical involute gear tooth profile; by means of the micro-line-segment theory, a micro-line-segment type involute gear tooth profile is obtained; by means of non-linear smooth fitting, a final modified involute gear tooth profile is obtained, and an initial gear is obtained through machining; on the basis of the initial gear, a gear shot blasting impact model is built, and a shot blasting gear is obtained; and on the basis of the shot blasting gear, a gear finishing and grinding model under gear tumbling finishing machining is built, and a finished gear is obtained. Grinding, shot blasting and barreling finishing are combined, through process coupling design, the overall performance of the gear is improved, higher manufacturing precision is achieved, the failure risk is reduced, the service life of the gear is prolonged, and the gear has the practical application value.

The invention discloses a three-degree-of-freedom macro-micro composite piezoelectric nano probe station, and relates to the technical field of semiconductor manufacturing and biotechnology. In order to solve the technical problems that in the prior art, an existing motor-driven probe station is large in cooperative control difficulty, the positioning precision and the stability are difficult to consider, the structure is complex, and the energy consumption is high, the technical scheme provided by the invention is that the three-degree-of-freedom macro-micro composite piezoelectric nano probe station is provided. Comprising a probe bench surface, an XY macro-motion mechanism, an XY micro-motion mechanism and a Z-direction mechanism. The XY macro-motion mechanism comprises an X piezoelectric motor and a Y piezoelectric motor which are used for achieving dozens of millimeter level horizontal movement in the X-axis direction and the Y-axis direction respectively. The XY micro-motion mechanism is used for realizing accurate movement of several nanometers to dozens of nanometers in the X-axis direction and the Y-axis direction; the Z-direction mechanism is used for realizing dozens of microns of lifting in the Z-axis direction; the probe bench surface is used for bearing a bearing object and is also used for driving the bearing object to move along the X-axis and Y-axis directions. The device is suitable for semiconductor manufacturing and biotechnology testing work.

The invention relates to the field of service life prolonging control, and discloses a reinforcement learning-based self-adaptive service life prolonging control method for a wind turbine generator, which is used for providing a reliable technical means for prolonging the service life of the wind turbine generator. Comprising the steps of collecting a unit operation state and key component health parameters, and generating multi-dimensional state information; establishing a damage evolution model, predicting the residual life and generating a health degree index; designing a multi-objective optimization strategy, and solving to generate a cooperative control instruction; after the instruction is executed, the model and the strategy are dynamically updated based on unit state feedback, and a closed-loop control system is formed. The service life of the wind turbine generator is effectively prolonged.

This application provides a vertical heat recovery coke oven waste heat exchange unit, waste heat utilization system, and method, using supercritical carbon dioxide as the heat exchange medium. The unit includes a main compressor, a regenerator assembly, a high-pressure turbine, a low-pressure turbine, a precooler, and a heat exchanger. The heat exchanger internally houses a high-temperature superheater, a high-temperature reheater, a low-temperature superheater, a low-temperature reheater, an air-cooled wall, and an economizer. The main compressor outlet is connected to the cold-side inlet of the regenerator assembly, and the cold-side outlet of the regenerator assembly is connected to the working fluid inlet of the heat exchanger. The working fluid flows sequentially through the economizer, the air-cooled wall, the low-temperature superheater, and the high-temperature superheater before entering the inlet of the high-pressure turbine. The high-pressure turbine outlet is connected to the inlet of the low-temperature reheater, the low-temperature reheater outlet is connected to the inlet of the high-temperature reheater, and the high-temperature reheater outlet is connected to the inlet of the low-pressure turbine. The low-pressure turbine outlet is sequentially connected to the hot side of the regenerator assembly, the precooler, and the main compressor inlet.

The present application relates to the technical field of purification equipment, and particularly relates to a purification system for liquid lead-bismuth alloy coolant 210 The present application relates to the technical field of purification equipment, and particularly relates to a purification system for liquid lead-bismuth alloy coolant 210 Po and its compounds in the lead-bismuth alloy, and improves the operation safety of the lead-bismuth cooled reactor and the lead-bismuth experimental loop.

The traveling cable anti-torsion wiring harness comprises an anti-torsion wiring harness set, the upper end of the anti-torsion wiring harness set is connected with a lift car distribution box, the upper end of the lift car distribution box is connected with a lift car, and the upper end of the lift car is connected with an upper rotating shaft; the lower end of the lift car is connected with a lower rotating shaft cylinder, the lower end of the anti-torsion wire harness set penetrates through the lower rotating shaft cylinder to be connected with a base junction box, and the lower end of the base junction box is connected with a traveling cable. An upper fixing wire clamp is arranged above the lower rotating shaft cylinder, a lower fixing wire clamp is arranged above the base junction box, the lower fixing wire clamp is connected with the lower end of the anti-torsion wire harness set, and the upper fixing wire clamp is connected with the middle of the anti-torsion wire harness set. According to the traveling cable anti-torsion wiring harness for the rotary elevator and the installation method, the existing defects are overcome, the service life of the adapter cable harness is obviously prolonged, and the operation reliability of the rotary elevator is greatly improved.

The invention discloses an anti-idling device and system for a circulating pump, and belongs to the technical field of circulating pumps. According to the circulating pump anti-idling device and system, the electronic pressure gauge is installed at the outlet end of the main water supply pipeline, real-time monitoring on the pressure of a pipe network is achieved, when it is detected that the internal pressure of the pipeline is lower than a safety threshold value, the system can automatically cut off power supply of the circulating pump, and therefore the pump is prevented from idling under the condition that the pressure is insufficient, and the service life of the circulating pump is prolonged. By cutting off the power supply of the pump in time, the idling phenomenon is effectively prevented, the energy consumption is reduced, the invalid operation of the pump in a low-pressure state is reduced, the abrasion of equipment is reduced, the service life of the circulating pump is prolonged, in addition, the system is also beneficial to preventing safety accidents possibly caused by idling of the pump, and the safety of the circulating pump is improved. And safe and stable operation of the system is ensured.

The utility model relates to a push star protection structure and a game machine. The star pushing protection structure comprises a base, a panel is arranged on one side of the base, and a mounting hole is formed in the middle of the panel; the driving module comprises a driving motor and a bearing frame, the driving motor and the bearing frame are both arranged on the base, and the driving motor is used for driving the bearing frame to move front and back; and the rotating module comprises a rotating motor and a mounting part, the rotating motor is arranged on the bearing frame, the output end of the rotating motor communicates with the mounting hole, the mounting part is arranged on the side, away from the rotating motor, of the output end of the rotating motor, and the mounting part is matched with the mounting hole. According to the scheme provided by the invention, when a user fails to play a game, the damage of components during movement matching can be avoided, and the service life of the game machine is prolonged.

The invention discloses a twelve-gear gearbox structure of a commercial vehicle, which prolongs the operation life of an auxiliary box synchronizer and ensures that the whole gearbox runs stably and reliably for a long time. The main box part comprises a main box shell, a main box shaft I, a main box intermediate shaft, a main box shaft II and corresponding transmission gears on each group of shafts; the auxiliary box part comprises an auxiliary box shell, an auxiliary box intermediate shaft, an auxiliary box output shaft and an auxiliary box synchronizer; a first bearing is arranged at the penetrating position, corresponding to the auxiliary box shell outer end plate, of the auxiliary box output shaft in a sleeved mode, the outer end, exposed out of the auxiliary box, of the auxiliary box output shaft is fixedly connected with an output flange, an auxiliary box synchronizer is arranged at the inner end of the auxiliary box output shaft in a sleeved mode, and the auxiliary box output shaft and the main box second shaft are coaxially arranged.

A cable channel environment automatic adjusting device disclosed by the present invention comprises a monitoring module, a communication module, a CPU processor, a power supply module and a control module, an output end of the monitoring module is connected with the CPU processor, a power supply port of the CPU processor is connected with the power supply module, the CPU processor is further electrically connected with the communication module and the control module, and the communication module is wirelessly connected to a mobile equipment terminal. The monitoring module collects water level, temperature, humidity and video environment information of accumulated water of the cable channel and transmits the environment information to the CPU processor, and the control module is started through the CPU processor to automatically adjust the environment of the cable channel. The cable can reliably operate in a normal-temperature and dry environment, the service life of the cable is effectively prolonged, the power failure time is shortened, and the power supply reliability is improved.

The utility model provides a contra-rotating ducted fan power device which comprises a ducted shell, a center body, a rotating mechanism, a supporting mechanism and a driving mechanism, the center body, the rotating mechanism, the supporting mechanism and the driving mechanism are arranged in the ducted shell, a ducted inner space is formed in the ducted shell, and the center body is arranged in the center of the ducted inner space. The rotating mechanism, the supporting mechanism and the driving mechanism are all connected to the center body, the supporting mechanism is connected to the middle position of the center body, the driving mechanism is in transmission connection with the rotating mechanism, and the rotating mechanism comprises a first rotating mechanism body and a second rotating mechanism body; according to the contra-rotating ducted fan power device, the rotating directions of the two rotating mechanisms are opposite, the contra-rotating rotating mode can balance torque generated by rotating blades, vibration is reduced, the stability of a system is improved, the service life of the system is prolonged, meanwhile, the contra-rotating blades neutralize the eddy current effect, tail flow kinetic energy loss is reduced, and the service life of the system is prolonged. Therefore, higher thrust efficiency is realized.

The invention relates to the technical field of electric energy routers, in particular to a power distribution area flexible mutual aid system based on an electric energy router, and the system is characterized in that a DC bus in a flexible mutual aid device is connected with an external power distribution area through a plurality of bidirectional DC / AC ports, and is used for completing electrical coupling and power intercommunication; the plurality of bidirectional DC / AC ports are connected with the direct current bus in parallel, the direct current bus is connected with an energy storage port and a photovoltaic port, the energy storage port is communicated with an external energy storage device, the photovoltaic port is communicated with an external photovoltaic device, and the flexible mutual aid device is communicated with an external power grid dispatching through a controller. According to the invention, normalized flexible interconnection between feeder lines is realized through the flexible mutual aid device, potential safety hazards caused by frequent displacement of a conventional switch based on an interconnection switch are avoided, the control flexibility and rapidity of the power distribution network are improved, and the power distribution network has the advantages of open-loop operation and closed-loop operation at the same time.

A high-frequency and high-speed circuit board disclosed by the present invention comprises a circuit board body and a mounting frame, the circuit board body is matched with the mounting frame, four opposite corners of the circuit board body are provided with cushions, the mounting frame is provided with a plurality of dustproof mechanisms, the outer side wall of the mounting frame is fixedly connected with a driving motor, and the driving motor is fixedly connected with the circuit board body. The output end of the driving motor is fixedly connected with a driving shaft, the driving shaft is connected with a heat dissipation mechanism, the dustproof mechanism comprises a plurality of filter plates, the outer side walls of the filter plates are fixedly connected with two symmetrically-arranged fixing plates, a plurality of dustproof openings are formed in the mounting frame, electric energy is converted into mechanical energy through the driving motor, and the mechanical energy is stored in the mounting frame. When the circuit board runs, the driving shaft rotates to drive a fan or other heat dissipation devices in the heat dissipation mechanism to work, heat generated in the running process of the circuit board can be efficiently and rapidly dissipated, it is ensured that the circuit board is in a stable temperature environment all the time, the running efficiency of the circuit board is improved, and the service life of the circuit board is prolonged.

The utility model discloses an outlet gas temperature regulation and control device of a sulfur burning furnace. The outlet gas temperature regulation and control device comprises a graded regulation and control valve body, a multi-point temperature measurement assembly and a uniform flow temperature control cavity, the graded regulation and control valve body, the multi-point temperature measurement assembly and the uniform flow temperature control cavity are connected in series step by step and are mounted on a furnace gas main pipe at the rear end of the sulfur burning furnace; through the synergistic effect of graded adjustment, multi-point monitoring and forced flow uniformizing, the problems that a traditional device is large in temperature fluctuation and uneven in mixing are solved, the regulation and control precision is improved, and the energy consumption and the maintenance cost of the sulfur acid making process are remarkably reduced.

The invention discloses a working condition self-adaption-based guide vane connecting rod stress trend diagnosis method, and relates to the technical field of intelligent diagnosis of hydroelectric generating sets, and the method comprises the steps: constructing an optical fiber stress monitoring system, setting an optical fiber grating sensor for a guide vane connecting rod, collecting a stress signal in real time, and collecting operation parameters; the method comprises the following steps: collecting multi-working-condition data within one month of normal operation after overhaul of a unit, calculating a correlation matrix between guide vane connecting rod stress and operation parameters, and establishing a stress working condition self-adaptive analysis model; and calculating a maximum value, a minimum value, an average value and a standard deviation of stress based on rolling statistics, determining a normal range of stress fluctuation, inputting real-time acquired data into a diagnosis algorithm, judging a stress deviation trend according to the reference model, outputting an alarm level, and updating the reference model. According to the method, the accuracy and timeliness of anomaly recognition are improved, the pertinence and the performability of maintenance decision making are enhanced, and the operation safety and the service life management effect of the guide vane connecting rod of the hydraulic unit are improved.

The invention discloses a high-capacity circuit breaker heat dissipation structure based on a micro-nano structure heat pipe, and belongs to the technical field of circuit breaker heat dissipation. Comprising a vacuum arc extinguish chamber, an arc extinguish chamber heat dissipation device, a micro-nano structure heat pipe and a heat pipe heat dissipation device. The arc extinguish chamber heat dissipation devices are arranged on the two sides of the vacuum arc extinguish chamber, the micro-nano structure heat pipe is embedded in a static conducting rod of the vacuum arc extinguish chamber, and the heat pipe heat dissipation fins are arranged on the heat pipe. Through cooperation of the arc extinguish chamber heat dissipation device and the micro-nano structure heat pipe, radial conduction and axial rapid conduction of heat of the vacuum arc extinguish chamber are realized, and temperature rise of the high-capacity circuit breaker is remarkably reduced.

The utility model discloses a two-way oil supply structure for a piston crank pin in a reciprocating compressor, belongs to the technical field of piston compressor lubrication, and aims to solve the problems that when a piston crank pin is lubricated by a single oil way in the prior art, the oil supply amount of the crank pin is sharply reduced and the oil consumption amount of a crosshead is increased as the running time of a crosshead slideway is too long, the abrasion is increased and the oil consumption amount of the crosshead is increased. And accidents are easily caused. The double-way oil supply structure comprises a crosshead sliding rail, a crosshead, a connecting rod, a crosshead pin, a crank pin bearing bush, a crank pin, a crank arm, a main journal, a main bearing bush, a crosshead oil supply pipe and a main journal oil supply pipe, a first oil supply hole is machined in the connecting rod, and a second oil supply hole is machined in the crank arm. One path of lubricating oil enters the lubricating oil groove 16 through the oil passing groove 1, the cross head pin oil groove 6 and the first oil supply hole 7 to lubricate the crank pin 9, and the other path of lubricating oil enters the main shaft oil groove 17 through the main shaft neck oil supply pipe 15.

The invention discloses a control method of a permanent magnet synchronous elevator door motor and a related device, and relates to the technical field of elevator control, and the control method comprises the steps that when it is monitored that an elevator door runs to a door opening in-place position or a door closing in-place position, a preset holding torque of the permanent magnet synchronous elevator door motor is read; the direct-axis current of the permanent magnet synchronous elevator door motor is periodically generated, and the quadrature-axis current corresponding to the direct-axis current generated in each period is periodically calculated based on the holding torque; and periodically controlling the permanent magnet synchronous elevator door motor to output holding torque based on the direct-axis current generated in each period and the quadrature-axis current corresponding to the direct-axis current. The permanent magnet synchronous elevator door motor is controlled to output the holding torque based on the direct-axis current and the quadrature-axis current which change periodically, the magnitude of the current passing through each phase winding can be uniform, and therefore the risks of local overheating of the winding and demagnetization of the permanent magnet are reduced, the service life of the system is prolonged, and the stability of the system is improved.

The utility model relates to oral liquid production technical field, concretely relates to an oral liquid packaging production line, and one end of one of two conveyors is in penetration with the frame and the drive motor output shaft transmission connection through the bolt fixed connection of the outer wall one side of the frame, and the both sides of the top of conveyer belt are equipped with the clamping plate, and the both sides of the clamping plate are all away from the elastic connection between the inner wall of the frame, effectively solved the problem that the different size bottled oral liquid lacks the limiting adjustment function in the conveying process in the prior art, and the stability is poor, the traditional conveying device adopts the fixed width conveyer belt or track structure, cannot adapt to the limiting demand of various bottle type, leads to the frequent phenomenon of the small bottle easy to pour, the big bottle easy to jam and the like, influences production continuity and product quality.

This utility model discloses a guide rod fixation device, including: an aluminum guide rod; a swaying buffer device assembled on the top of the aluminum guide rod; the above device is flexibly connected to the busbar through the mounting plate of the swaying buffer device; multiple sets of springs and damping rods synchronously absorb the swaying energy caused by bubbles and magnetic fields, so that the top no longer amplifies the swaying amplitude, and the busbar joint remains pressed and without discharge; the connection and installation device composed of the T-shaped plate, connecting rod, nut, and spring 2 elastically locks the aluminum guide rod on the steel beam, which allows for thermal expansion differences and continuously transmits downward pressure, avoiding stress concentration in rigid welds; after the steel beam is transitioned through the explosive weld transition block, it forms an adjustable pre-tightening pair with the connecting rod through the mounting sleeve hole, so that the steel beam is always under upward tension; the steel rod auxiliary clamping assembly composed of the steel rod body, support rod 2, clamping block, and connecting bolt 2 clamps each steel rod at multiple points, dispersing the neck bending moment and inhibiting oxidation penetration, ultimately eliminating the risk of overall fall, while improving conductivity stability and service life.

The utility model provides a kind of insulating bearing cable anchor, comprising: connecting component, with power transmission line hardware connection and bear load;Core body lifting ring, accommodate the glass fiber reinforced silicone rubber wire harness wound to form core body and bear load;Clamp, the inner cavity of the clamp is horn shape, the horn shape inner cavity is consistent with the wire harness of the core body lifting ring wire slot tangent direction introduction, gather has been wound in the core body lifting ring, wire harness, which needs to be shaped, is shrunk into substantially cylindrical through the cylindrical outlet of the clamp;The connecting component is connected with the core body lifting ring, and the clamp is tightly clamped on the core body lifting ring. The utility model has the beneficial effects that: by the inner cavity of the clamp is horn shape, improve the stress state of wire harness, and by additionally provided glue injection hole groove A and glue injection hole B, form complete sealing structure after silicone rubber overall coating forming, improve the reliability of product and overall electromechanical performance.

The application discloses a transformer de-blocking of inrush current implementation method, device, medium and equipment. The method comprises the following steps: calculating the differential current sampling value mutation of the transformer corresponding to the sampling point in the first predetermined time interval; in the case that the differential current sampling value mutation of the two continuous sampling points meets the starting criterion, the time corresponding to the latter sampling point is determined as the first starting time; after the second predetermined time interval from the first starting time, in the case that the differential current sampling value mutation of the two continuous sampling points meets the starting criterion, the time corresponding to the latter sampling point is determined as the second starting time; after the first starting time, whether to send a blocking signal is determined according to the differential current sampling value mutation and the intermittent angle blocking criterion; whether to send a blocking signal is determined according to the differential current sampling value mutation of the two sampling points of the second starting time and the intermittent angle blocking criterion, and whether the transformer is de-blocked from the excitation inrush current is determined.