1169results about "Cable installation apparatus" patented technology

The invention discloses a submarine cable detection method and device and a nonvolatile storage medium. The method comprises the following steps: acquiring the position of a fault point under the condition that a submarine cable is detected to have a fault; determining a first target search range corresponding to the position of the fault point based on the fault positioning response time, the submarine cable routing information processing time and the ocean current speed; determining a fault probability of each routing section of the submarine cable in the first target search range based on the submarine cable depth data, the water depth data and the environment data in the first target search range; and sorting the fault probabilities of the routing segments to obtain a routing segment sequence, and scheduling the patrol ship to perform fault detection based on the routing segment sequence. According to the method and the device, the technical problems of low response speed and low processing efficiency caused by inaccurate positioning and large range of the fault range propagated by the fault point when the submarine cable is identified to have a fault when the submarine cable is monitored in the related technology are solved.

A novel connection port is described for connecting a signal transmitter to an apparatus configured to wirelessly communicate video and images from a pipe inspection system. Such a connection port may establish an electrically conductive pathway to a push-cable and camera head further disposed in cable storage drum that the wireless communication apparatus may couple thereto. A signal transmitter, having an established electrically conductive pathway to the push-cable and camera head, may transmit electromagnetic signals that may be emitted by the push-cable and camera head and further be located at the ground surface via a utility locator device.

The invention provides a multifunctional inspection device detection system based on a distribution network mobile operation terminal, and relates to the technical field of electric power detection, and the multifunctional inspection device detection system comprises a portable main terminal of a dynamic collaborative architecture, a wearable terminal for augmented reality interaction and a distributed heterogeneous sensing cluster, which form a closed-loop data chain through an electric power dedicated low-delay wireless communication network; the portable main terminal is integrated with a heterogeneous computing unit with adaptive computing power distribution, can perform real-time fusion analysis on multi-dimensional sensing data, and outputs a visual result containing fault location and confidence; the wearable terminal superposes fault information to a real scene in a three-dimensional marking form through a virtual-real fusion positioning technology, and supports eye movement and voice collaborative interaction; multi-module collaborative acquisition of the distributed heterogeneous sensing cluster is combined with a nanosecond timestamp synchronization mechanism, so that the limitation of traditional single parameter detection is broken through, rich and synchronous basic data is provided for subsequent analysis, and the comprehensiveness of routing inspection is greatly improved.

The invention provides a power distribution network fault intelligent positioning and self-healing recombination method and system. The method comprises the steps that S1, operation data of a power distribution network are acquired and preprocessed; s2, modeling the power distribution network topology into a weighted undirected graph, and constructing transient characteristics including node characteristics and edge characteristics; s3, on the basis of the transient characteristics and the power distribution network topology, the fault type is judged in real time by adopting a graph convolutional network, and a fault section is determined in combination with a traveling wave distance measurement and impedance method; s4, when entering an isolation fault state, automatically generating a power supply reconstruction scheme meeting current, voltage and switch constraints, and selecting an optimal scheme through multi-objective optimization; and S5, issuing a switching instruction according to the optimal scheme to complete topology reconstruction, and updating a fault identification and recombination strategy according to an actual execution result to improve positioning precision and recovery efficiency. According to the invention, a novel fault processing scheme integrating multi-source measurement, an efficient algorithm and online learning can be adopted, so that the power failure time is shortened, the power failure range is reduced, and the toughness of the power distribution network is improved.

An aluminum foil stripping device for stripping aluminum foil exposed from one end of a cable includes a fixture, a single laser machine, a pair of cutters, and a grasping mechanism. The fixture is adapted to clamp and fix the cable. The single laser machine is adapted to cut a pre-cut on the exposed aluminum foil of the fixed cable to release the tension of the aluminum foil. The pair of cutters are adapted to simultaneously cut the aluminum foil each of two sides of the exposed aluminum foil, wherein a cutting position of the pair of cutters is aligned with the pre-cut. The grasping mechanism is adapted to grasp the exposed aluminum foil and separate it from the cable at the cutting position by at least one of oscillating or pulling the aluminum foil to remove it from the cable.

The invention relates to a low-voltage cable with a protection structure applied to the technical field of cables, and the low-voltage cable comprises a low-voltage cable body and an anti-pull-damage protection mechanism, the anti-pull-damage protection mechanism comprises an anti-damage buffer box, a semi-cylindrical curved cable column is movably arranged in the anti-damage buffer box, and a pull detection supporting cylinder is embedded in the anti-damage buffer box in a penetrating manner; the anti-pulling-damage protection mechanism can provide a buffering protection effect for the low-voltage cable body, when the low-voltage cable body is subjected to large pulling force, the low-voltage cable body can be protected to a great extent, the low-voltage cable body is prevented from being deformed and damaged, the anti-pulling-damage protection mechanism further has an alarm function, and when the low-voltage cable body is subjected to large pulling force, the low-voltage cable body is prevented from being damaged. When the low-voltage cable body is pulled, the loss prevention intelligent alarm device starts the alarm to make an alarm sound to warn and remind related personnel and promote the related personnel to stop pulling the low-voltage cable body, so that the low-voltage cable body can be further prevented from being deformed and damaged due to large pulling force, and the safety of the low-voltage cable is greatly improved.

The invention discloses a wire-winding and tightening device for electric power construction, which relates to the technical field of cable winding, comprises a self-propelled mechanism and a wire-winding assembly arranged on the self-propelled mechanism, wherein the wire-winding assembly is used for winding up the cable laid on the cable trench bracket, and further comprises at least one cutting assembly, wherein the cutting assembly comprises: an arc track, which is arranged on the self-propelled mechanism via an adjustment frame; a sliding seat, which slides and cooperates with the arc track along a preset path of the arc track; a guide seat, which is slidably connected to the sliding seat; a positioning platform, which is elastically rotatably connected to the guide seat; in the wire-winding and tightening device for electric power construction, the cutting mechanism can cut the cable ties bundled between each bracket and the cable during the walking process of the self-propelled mechanism, and the cable can also be wound up by the wire-winding assembly on the self-propelled mechanism, without manual cutting, which not only reduces the work intensity of the staff, but also improves the wire-winding efficiency during work.

The utility model discloses a power cable trench cleaning and maintaining device, which relates to the technical field of power cable laying, and is characterized in that through the arrangement of a mounting disc, a movable cleaning brush and a connecting piece, a worker can pull the movable cleaning brush to enable the movable cleaning brush to slide along the radial direction of the mounting disc in the using process, so that the movable cleaning brush can be cleaned; the positions of the movable cleaning brushes are adjusted, after adjustment, the cleaning range formed by the multiple movable cleaning brushes is changed, the cleaning range of the power cable trench cleaning and maintaining device is expanded or narrowed, the power cable trench cleaning and maintaining device is used for completing cleaning operation of cable trenches with different widths, and a good using effect is achieved in the actual using process. The application range of the power cable trench cleaning and maintaining device is expanded, the movable cleaning brush can be limited through the first fastening bolt after adjustment, so that the movable cleaning brush and the mounting disc are fixed, the cleaning range in the using process is fixed, and range change caused by movement of the movable cleaning brush is avoided.

The invention discloses a cable grid bridge system and a manufacturing method, and the cable grid bridge system comprises a turning bridge which is composed of a plurality of bridge units which are arranged in a divergent manner, and an inner arc-shaped structure and an outer arc-shaped structure are formed; each bridge unit comprises two parallel U-shaped wefts and a plurality of radial line units, each U-shaped weft is composed of an outer vertical beam, a bottom beam and an inner vertical beam, and each radial line unit comprises a bottom radial line unit, an outer diameter line unit and an inner diameter line unit which are respectively connected to different parts of the corresponding U-shaped weft; the outer diameter line units are connected to form a continuous bridge outer diameter line; the inner vertical beams of the adjacent bridge units abut against each other, the inner diameter line unit is provided with two ends, reinforcing ribs are welded between the bottom beams, a bridge bottom diameter line is formed, and therefore the turning bridge system and the manufacturing method are low in cost and convenient to manufacture.

In an example, an anti-shrink back device is positionable at least partially around insulation of an electrical conductor at an end of the insulation adjacent to an uninsulated segment of the electrical conductor. The anti-shrink back device includes a band mechanically tightenable at least partially around the insulation at the end of the insulation adjacent to the uninsulated segment to secure or inhibit movement of the end of the insulation longitudinally relative to the electrical conductor.

An electrical cable assembly (10) is presented herein. The electrical cable assembly (10) includes a multiconductor flat cable (12) including a first and second electrically conductive wire (14) arranged in a coplanar fashion with each other and encased within a planar dielectric structure (16). A slot (18) is defined in the planar dielectric structure (16) intermediate the first and second wires (14), thereby forming first wing features (20) in the dielectric structure (16) extending from the first wire (14) and second wing features (20) extending from the second wire (14). Exposed portions of the first and second wires (14) extend beyond the first and second wing features (20). A method (200) of forming the electrical cable assembly (10), an apparatus (100) for forming the electrical cable assembly (10), and an electrical terminal (30) configured for use in the electrical cable assembly (10) is also presented.

The utility model discloses a submarine cable center clamp falling maintenance device which is used for fixing a J-shaped pipe and a submarine cable and comprises a horn mouth clamp, an adapter flange, a metal limiter, a bending limiter and a telescopic transition joint. The horn mouth clamp is used for holding and fixing a horn mouth of the J-shaped pipe, two connecting grooves are oppositely formed in the horn mouth clamp, the two connecting grooves are matched to fix the adapter flange, the adapter flange is further connected with a plurality of metal limiters and a plurality of bending limiters, and the bending limiters are fixed with an undamaged limiter group through telescopic transition joints; the utility model is based on the maintenance device. According to the utility model, efficient underwater operation maintenance can be carried out on the damaged center clamp and the bending limiter, the submarine cable protection is enhanced, the service life of the submarine cable is prolonged, the maintenance operation difficulty is reduced, the construction steps are simplified, and the maintenance cost is greatly reduced.

According to the prefabricated in-wall junction box assembly deepening design and installation method provided by the invention, through deepening design of junction box positioning, junction box cover plate deepening design and installation and prefabrication forms, collision between an electric appliance junction box and reinforcing steel bars is avoided, electromechanical professional one-time forming after a concrete structure is completed is realized, and the construction efficiency is improved. Deepened design and installation quality of an electrical major on a concrete structure are guaranteed, the processing period and the construction period can be shortened through prefabrication, and the purpose of controlling construction quality and progress is achieved. Through a prefabricated, parameterized and modularized deepening design method, the problems of positioning, collision and efficiency of traditional wire box embedding are solved, and comprehensive optimization of construction quality, progress and cost is achieved.

The utility model relates to the technical field of electric power engineering, aims to solve the problems that in the prior art, operation steps are complex and tedious, rapid marking is inconvenient, the clamping effect is poor and the position cannot be adjusted, and provides a photovoltaic power generation operation and maintenance line marking device which comprises a protection block. The protection block is provided with an upper shell and a lower shell; a first baffle is arranged at one end of the protection block, the first baffle is connected to one end of the protection block in a swinging mode, a second baffle is arranged at the other end of the protection block, the second baffle is detachably connected to the other end of the protection block, and through holes are formed in the axis of the first baffle and the axis of the second baffle; a protection mechanism is arranged in the protection block, one side of the upper shell is hinged to one side of the lower shell, a limiting mechanism is arranged between the other side of the upper shell and the other side of the lower shell, and the other side of the upper shell is detachably connected to the other side of the lower shell through the limiting mechanism. The device has the beneficial effects that the operation steps are simple and convenient, a worker can conveniently and quickly mark, the clamping effect is good, and the position can be randomly adjusted.

The invention relates to the technical field of power systems, in particular to a high-voltage cable joint temperature field distribution simulation analysis method and system under broadband disturbance. Constructing an electric-magnetic-thermal multi-physics field coupling simulation model of the alternating-current high-voltage cable joint to be tested; performing hierarchical grid division on the electric-magnetic-thermal multi-physics field coupling simulation model; simulating the electric-magnetic-thermal multi-physical field coupling simulation model under different broadband disturbance conditions by considering physical field boundary conditions to obtain a broadband temperature field distribution result and harmonic loss distribution data; and according to the broadband temperature field distribution result and the harmonic loss distribution data, quantifying the internal temperature field distribution change characteristics of the high-voltage cable joint under broadband disturbance. According to the method, through accurate simulation calculation of temperature field distribution of the high-voltage cable joint under broadband disturbance, safe and stable operation of the high-voltage cable joint under the broadband disturbance environment is ensured.

An electrical feedthrough is providing that includes a base body, an insulating material, an electrical conductor, a creepage distance extension, and a sealing member. The base body has a through opening extending therethrough. The insulating material is in the through opening. The electrical conductor extends through the insulating material such that a portion of the electrical conductor protrudes from the insulating material. The creepage distance extension surrounds at least a section of the portion. The sealing member is between the insulating material and the creepage distance extension. The sealing member is a seal material that is at least partially mineral and crystalline.

According to an embodiment of the present invention, a pressurized sleeve for routing of linear components is provided. The pressurized sleeve is disposed to at least partially surround a flexible line object. A plurality of pouches is disposed in the robotic cable sleeve. At least two pouches of the plurality of pouches have different predetermined hydrostatic pressures from one another which induce axial movement of at least a portion of the robotic cable sleeve and a corresponding portion of the at least partially surrounded linear component.

The invention relates to the technical field of submarine cable equipment, and provides a dynamic submarine cable quick release device for isolating marine organism attachment, which comprises a female plug, a male plug, a traction component, an automatic mounting and releasing mechanism and an elastic pin lock catch mechanism, and is characterized in that the automatic mounting and releasing mechanism is used for movably limiting the male plug and the female plug; the automatic mounting and releasing mechanism is of a closed structure; the elastic pin lock catch mechanism has a first locking state for locking the male plug and the traction component in advance and a second unlocking state for unlocking the male plug and the traction component after the male plug and the female plug are locked. The working efficiency is improved, divers do not need to dive underwater for operation, and the operation safety risk of the divers is reduced; meanwhile, the marine organism adhesion resistance of equipment is effectively enhanced, and the underwater service life and reliability of the equipment are improved.

The invention discloses a temporary access box on an application pole and an access method thereof. The access box comprises a box body, and a disconnecting link respectively connected with a mobile power supply vehicle and a low-voltage overhead line is arranged in the box body; the disconnecting link at the rear end is connected with a circuit breaker, and the circuit breaker is provided with a cable terminal. The pile head of the disconnecting link located at the front end is provided with an intelligent fusion terminal used for collecting and uploading electric quantity and power generation and protection time information. Compared with the conventional operation mode of accessing a transformer body and a busbar, the method for carrying out transformer power protection operation by applying the temporary access box of the power generation car on the pole has the remarkable advantages of high safety, high scene adaptability, high economical efficiency and simplicity in operation through practical application verification.

The invention provides a building electromechanical pipeline modular construction method based on the BIM technology, and relates to the technical field of BIM. The method comprises the steps that comprehensive arrangement of project pipelines is conducted through the BIM technology, adjustment is conducted according to cross collision occurring in the installation process, a support is designed, and support stress is rechecked; the method comprises the following steps of: designing a comprehensive pipeline of a region in BIM software in detail according to nodes, dividing the comprehensive pipeline into electromechanical pipeline installation modules of one unit, and providing a pipeline module three-view; module prefabrication is conducted according to the requirements of a BIM module drawing, after prefabrication is completed, segmented comprehensive electromechanical pipelines are assembled on a manufactured assembly frame, and transportation is conducted after assembly; and an overall installation scheme is planned according to the overall pipeline installation area, the bearing capacity of a floor or a beam is rechecked, and segmented hoisting or lifting and overall module splicing of the pipeline unit modules are carried out. The comprehensive quality and construction safety of the electromechanical pipeline system are improved.

The invention provides an electric isolation protection device for a secondary terminal. The electric isolation protection device comprises two opposite mistaken touch prevention mechanisms and a shielding strip for connecting the mistaken touch prevention mechanisms. A strong magnet is arranged at the bottom of a fixing base of the mistaken touch prevention mechanism, a reel, an eccentric tensioning shaft and a driving mechanism are arranged in the fixing base, one end of a shielding strip is fixed to the reel after winding around the tensioning shaft, and coil springs on the two sides of the reel enable the shielding strip to be wound in the first direction. A lock shaft mechanism on the fixed seat is provided with a one-way separation shaft, a pivotal shaft and a pawl. The one-way separation shaft slides in the fixing base, the end, facing the reel, of the one-way separation shaft is provided with a first connecting part, the first connecting part is matched with a second connecting part of the reel and provided with a coupled handle, and separation and reunion of the connecting parts can be achieved by pushing and pulling the handle. The ratchet wheel part on the periphery of the one-way separation shaft is matched with the pawl, and the pawl is separated from the ratchet wheel at the first position in the first rotation direction and meshed with the second position in the second rotation direction. The secondary terminal electric isolation protection device is provided to replace an adhesive mode, so that the cost of consumables is reduced, the structure is stable, and the use is convenient.

The utility model belongs to the technical field of photovoltaic cable processing, and particularly relates to a photovoltaic cable cutting device which comprises a vertical cable cutting machine body. A pair of supporting plates is arranged on the side wall of the vertical cable cutting machine body. The supporting plates are symmetrically arranged on the two sides of the vertical cable cutting machine body and are of the same structure. Firstly, a fixing plate is pulled open, then a cable is erected above a supporting plate, then the fixing plate is loosened, the cable is pre-fixed, then a certain acting force is applied to the fixing plate, an inserting block is extruded and jacked open through a fixing block, and the inserting block can be pushed into the side wall of an inserting groove through elasticity of a first spring; the multiple cables on the two sides are lifted up through the supporting plate, the inclination preventing effect can be achieved when the cables are cut, the use effect after the cables are cut is improved, meanwhile, the supporting plate and the fixing plate are close to each other to buckle the cables, the cables can be clamped and fixed, and the possibility that the cables fall off during cutting is reduced.

According to an embodiment of the present invention, a method is provided for pressurized routing linear components. The method includes obtaining data related to a project. Features are extracted from the obtained project data. The extracted features include linear component characteristics and project environment characteristics. A project design is obtained based on at least one of user input and predetermined extracted features from the extracted features from the obtained project data. The project design includes installation or uninstallation of a linear component in relation to an apparatus. Pressurization is calculated of a plurality of pouches disposed in a pressurized sleeve for the installation or uninstallation of the linear component in relation to the apparatus based on the project design. The calculated pressurization of the plurality of pouches disposed in the pressurized sleeve is implemented.

The utility model discloses power transmission intelligent patrol inspection equipment which comprises a mounting beam, the bottom of the mounting beam is fixedly connected with a track, the surface of the track is slidably connected with a sliding seat, the bottom of the sliding seat is fixedly provided with a shell, the interior of the sliding seat is rotatably connected with a transmission gear, the bottom of the shell is fixedly connected with a partition plate, and the bottom of the partition plate is rotatably connected with a fluted disc. The fluted disc is coaxially and fixedly connected with the base, and an adjusting mechanism meshed with the fluted disc is fixedly mounted in the shell on one side of the shell. The detection device is reasonable in structure, track installation is achieved through the installation beam, installation can be conducted in a narrow area of an electric power system, stable movement of the detection device can be achieved on the track, real-time inspection and detection can be conveniently conducted on cables and equipment in electric power transmission, picture shooting of the cables and the equipment in electric power transmission can be achieved by arranging the camera, and the detection device is convenient to use. And the monitoring angle can be adjusted, so that the use convenience of the detection equipment is improved.

The utility model belongs to the technical field of cable production, and particularly relates to a cutting device for fireproof flame-retardant cable production, which comprises a bottom plate, supporting legs, supporting rods and a top plate, the supporting legs are fixedly mounted around the bottom of the bottom plate, the supporting rods are fixedly mounted around the top of the bottom plate, and the top plate is fixedly mounted at the tops of the four supporting rods. A cutting device is arranged at the top of the bottom plate and comprises a cutting unit and a cleaning unit, the cutting unit is arranged above the bottom plate, and the cleaning unit is arranged at the top of the bottom plate. According to the cutting device for fireproof flame-retardant cable production, the cutting unit is arranged, a first telescopic piece is started to push a supporting plate to descend, in the descending process of the supporting plate, a pressing plate makes contact with a cable in advance, along with descending of the supporting plate, the cable is pressed through the pressing plate, then the cable is cut through a cutting knife, fixing is convenient, workers do not need to manually clamp the cable, and the working efficiency is improved. And the efficiency is high, and the problems that in the background technology, operation is inconvenient, and the clamping efficiency is low are solved.

The invention relates to the technical field of insulating rod auxiliary equipment, and particularly discloses an insulating rod auxiliary fastening method and device. The method comprises the steps that a rotating handle on the insulating rod is clamped through a clamping device, and the clamping device comprises a clamping assembly used for clamping the rotating handle, a transmission assembly used for driving the rotating handle to rotate and an output motor used for controlling starting and stopping of the transmission assembly; controlling an output motor to start, and acquiring a real-time current value of the output motor; when the real-time current value is larger than or equal to the preset current value, the output motor is controlled to be According to the scheme, the clamping device can clamp the rotating handle and drive the rotating handle to rotate, the operation burden of a worker is reduced, the risk that the insulating rod slips out of the hand is reduced, meanwhile, whether the conductor end is clamped by the insulating rod or not is judged by obtaining the real-time current value, the accuracy of judging whether the insulating rod is clamped or not by the worker can be improved, and the working efficiency is improved. The problems that in the operation process, the risk that the insulating rod slips out of the hand is high and the accuracy of judging whether the insulating rod is clamped is low are solved.

The invention relates to the technical field of electric power pipe connection, and discloses a high-voltage electric power pipe connecting device which comprises a supporting seat, auxiliary clamping parts are arranged on the two sides of the top of the supporting seat, a column body is arranged on the side, close to the center, of the top of the supporting seat, a supporting table is arranged on one side of the top of the column body, and sleeves are arranged on the two sides of the top of the supporting table. An inclined frame is arranged at the center of the top of the sleeve, a second inserting cylinder is arranged at the top of the inclined frame, a fixing ring is arranged on the left side of the second inserting cylinder, a plurality of sliding grooves are formed in the side edge, located on one side of the second inserting cylinder, of the fixing ring, matched sliding plates are arranged in the sliding grooves, and the sliding plates penetrate through the side end of the second inserting cylinder; a side rack is arranged at the center of the side, away from the sliding groove, of the sliding plate, and a fifth gear meshed with the side rack is arranged on one side of the side rack. The beneficial effects are that in the butt joint process, the weight of the rear end of the electric power tube does not influence the end portion, the butt joint precision is improved, and thus gaps generated between the electric power tubes are reduced.

The invention relates to the technical field of electrified dust removal of electrical equipment, in particular to an electrified dust removal device which comprises a telescopic rod, a cleaning motor, a mounting shell, a cleaning head, a mandrel and a cleaning brush, and the right side of the mounting shell and the upper portion of the telescopic rod are detachably and fixedly mounted together. The electric equipment cleaning device is reasonable and compact in structure, by arranging the sun gear and the planet gear, when the cleaning motor works, the multiple rotating shafts can be driven to rotate through the mandrel, so that the multiple cleaning brushes are driven to rotate, when the cleaning brushes rotate, bristles can be driven to rotate on the surface of the electric equipment, and when the brushes rotate, cleaning of dirt on the surface of the electric equipment can be accelerated; by arranging the telescopic rod, the height of the mounting shell can be adjusted, so that electrical equipment with different heights can be cleaned, the operation is more convenient, the right side of the mounting shell and the upper part of the telescopic rod are detachably and fixedly mounted together, the mounting shell and the telescopic rod are convenient to disassemble, and the practicability is high. And after disassembly, the mounting shell and the telescopic rod are convenient to transport and store.

An all-terrain submarine cable inspection robot comprises a frame, a traveling movement system, a bottom movement system and a control system. The swimming movement system comprises at least one supporting frame and a propeller connected with the supporting frame, one end of the supporting frame is connected to the frame, and the other end of the supporting frame is connected with the propeller; the bottom moving system comprises a motor driving system, a transmission system and a crawler wheel set, and the motor driving system drives the crawler wheel set to move through the transmission system under the action of electric energy; the control system comprises a control panel and a control panel fixing part, the control panel is connected with the control panel fixing part, the height of the whole robot body is increased, so that the inspection robot can be located above a submarine cable all the time for inspection, and the submarine cable is located in the space of the bottom all the time; compared with a traditional inspection robot, the tracking inspection coverage rate is greatly improved, and therefore the loss rate in the cable inspection process is reduced.

The invention provides a multifunctional intermediate joint capable of being connected with a cable, and relates to the technical field of cable accessories. The multifunctional intermediate joint capable of connecting the cable comprises a joint body, an operation and maintenance hand-held terminal based on RFID and GPS, and an Internet of Things platform. In the case of instantaneous overload or short circuit, the PCM quickly absorbs heat to delay temperature rise, and the axial flow fan forcibly cools air to discharge heat, so that insulation carbonization is avoided; the self-cleaning mechanism removes dust on the filter screen to ensure stable long-term heat dissipation; the STM32H743VIT6 is fused with temperature, mechanical stress, partial discharge data and time-frequency domain alignment, so that the insulation failure prediction precision is improved; the dual-frequency anti-metal RFID tag, UWB positioning and AR operation and maintenance terminal are linked to display the health state, the deterioration trend and the maintenance animation of the connector in real time, so that the inspection time is greatly shortened, and misoperation is reduced; the Internet of Things platform remotely calls edge calculation data, experts collaboratively mark AR pictures, and the fault response speed is increased; and a sensing-analysis-decision-execution intelligent operation and maintenance system is constructed.