99results about How to "Shorten maintenance cycle" 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 relates to the technical field of non-destructive testing, and particularly discloses an aero-engine blade non-destructive flaw detection method for a miniature unmanned aerial vehicle, which comprises the following steps: acquiring stress data of a blade in a use process in real time by using an MEMS sensor, analyzing the data, and identifying a stress concentration area; carrying out real-time monitoring on crack data of the stress concentration area, extracting crack propagation fluctuation characteristics by utilizing a wavelet transform algorithm, and calculating a crack propagation fluctuation index; fatigue strength data of the material is monitored, fatigue failure characteristics are extracted, and a fatigue failure index is generated through a support vector machine algorithm; comprehensively analyzing the crack propagation fluctuation index and the fatigue failure index, and judging whether the blade is in a healthy state or not; and finally, based on the blade health state, determining whether to carry out further detection or maintenance.

The invention relates to a coal mine wet dust collector applied to the technical field of coal mine dust removal, which comprises a Venturi tube, a rotational flow mechanism, a purification chamber and a dust removal intelligent controller, the rotational flow mechanism comprises a driving part mounted at the lower part of an inner cavity of the Venturi tube, a rotational flow net disc mounted in the circumferential direction of an output shaft of the driving part, and a pressure sensor mounted between the rotational flow net disc and the output shaft of the driving part; a dust treatment module, a rotational flow treatment module and a sludge treatment module are arranged on the dust removal intelligent controller, and by adopting the structure, a mixture of dust and water mist is intercepted by the rotational flow net disc rotating at a high speed when entering the bottom of the Venturi tube, so that the dust removal filtering efficiency is improved; by arranging the dust removal intelligent controller, the sludge pollution condition of the rotational flow net disc can be conveniently and automatically detected, the rotational flow net disc is automatically cleaned and flushed, the service life of equipment is prolonged, the maintenance period is shortened, automatic pollution discharge is achieved, and the dust remover is more automatic and intelligent.

The invention provides a launching pad and a carrier rocket launching method. The launching pad comprises a launching pad body provided with a through flow guide opening, a first heat-proof plate, a second heat-proof plate and a driving structure. The second heat-proof plate detachably covers the inner side wall of the second edge side of the flow guide opening, the first heat-proof plate is rotationally arranged on the inner side wall of the first edge side of the flow guide opening, and the driving structure is arranged at the bottom of the launching pad body and used for driving the first heat-proof plate to rotate to be in an unfolded state or a folded state. And the first heat-proof plate is horizontally arranged at the top of the flow guide opening. During maintenance, the second heat-proof plate can be quickly disassembled so as to facilitate maintenance or replacement, meanwhile, the first heat-proof plate can be rotated to a horizontal unfolding state through the driving structure, a worker stands on the first heat-proof plate to maintain the heat-proof coating, high-altitude operation is not needed, and the safety and convenience of maintenance are improved; and the heat-proof coating is coated in the horizontal state, so that adhesion and uniform distribution of the heat-proof coating are facilitated.

The invention discloses a vehicle remote fault diagnosis method, device, system and equipment and a medium. The method comprises the following steps: acquiring vehicle position information and vehicle fault information of a to-be-diagnosed vehicle; determining a fault reason and a fault level based on the vehicle fault information, and generating a corresponding fault report; determining a target after-sales end based on the vehicle position information and the fault level, and determining the push frequency of the fault report based on the fault level; and pushing the fault report to the target after-sales end according to the pushing frequency, and sending information of the target after-sales end to the to-be-diagnosed vehicle. According to the method, rapid and accurate fault positioning and efficient maintenance are realized, the maintenance experience of a user is remarkably improved, and the after-sales maintenance cost is reduced.

The utility model provides a flow-adjustable water distribution device, belongs to the technical field of heating, ventilation and air conditioning, and aims to solve the problems that a large amount of scale can be generated to block spray holes in a water distribution pipe after the conventional water distribution device is used for a long time, and the flow can be controlled according to an actual use environment once the water distribution device is mounted inconveniently. Comprising a water distributor main body, the rotating base is rotationally connected to the bottom of the water distributor main body; the flow adjusting seat is rotationally connected to the bottom of the rotating base; at least four groups of water distribution branch pipes are arranged, and the four groups of water distribution branch pipes are circumferentially and uniformly distributed around the water distributor main body; a plurality of groups of transmission blocks are arranged, and the plurality of groups of transmission blocks are arranged below each group of water distribution branch pipes; the cleaning anti-blocking assembly is arranged below the water distribution branch pipe; and the flow adjusting assembly is arranged below the rotating base. The utility model has the advantages of quick adjustment, convenience in cleaning, blockage prevention and the like.

The invention discloses a television intelligent maintenance decision-making method, and the method comprises the following steps: obtaining historical work order information which at least comprises a television type, a fault description, a fault reason, a maintenance scheme, a maintenance category and used spare parts; constructing an intelligent fault library containing standard faults according to the historical work order information; establishing a knowledge graph according to the historical work order information and the intelligent fault database; acquiring new work order information, performing fault matching with the intelligent fault library according to fault information in the new work order information, and performing maintenance scheme recommendation according to the matched fault based on the knowledge graph; the invention also discloses a television intelligent maintenance decision-making system and a computer program. The intelligent, automatic and personalized television maintenance process can be realized, the quality and efficiency of the maintenance service can be greatly improved, the operation cost can be reduced, and the high-quality and reliable maintenance experience can be provided for the user.

The invention provides a refrigerator valve fault detection method and system, and the method comprises the steps: obtaining operation data which is data stored according to a time sequence, determining a frosting period according to the operation data, extracting the data of the frosting period from the operation data, and detecting the data of a detection unit; the detection unit is a detection unit in a frosting period; calculating a data occupancy rate when the refrigerating chamber temperature data of the detection unit is greater than the preset refrigerating temperature and a data occupancy rate when the freezing chamber temperature data of the detection unit is less than the preset freezing temperature, so as to confirm a first fault direction through the data occupancy rate of the preset refrigerating temperature, and confirm a second fault direction through the data occupancy rate of the preset freezing temperature, the first fault direction is from the electric valve to the refrigeration direction, and the second fault direction is from the electric valve to the freezing direction. According to the method, whether the refrigerator valve breaks down or not is judged by obtaining the operation information of the refrigerator, the fault can be found in time, the maintenance period of the refrigerator is shortened, and the maintenance efficiency is improved.

The application discloses a double-hearth two-stage heating vacuum distillation furnace, which comprises an evaporation furnace and a condensation furnace which are communicated through a gas passage, wherein the evaporation furnace comprises an evaporation furnace body and at least one top heating mechanism which is detachably arranged on the top of the evaporation furnace body; and the condensation furnace comprises a condensation furnace body, a side heating structure and a furnace cover, wherein the condensation furnace body is divided into a temperature control condensation chamber and a plurality of layers of multistage condensation chambers, and the gas passage can be combined or replaced according to the required reaction conditions of different materials. The vacuum distillation furnace can collect different metals through the gradient change of the temperature of the two hearths, reduces the process of secondary distillation of volatile matters after the furnace is stopped, can complete the processing of diversified raw materials, improves the work efficiency and reduces the processing cost; the modular top heating mode directly radiates heat to the materials, improves the heat utilization rate, can realize the working mode of stopping the furnace without stopping the work, helps to improve the work efficiency, and is convenient for completing the furnace cleaning, maintenance and solid material taking and placing.

A tool for mounting and dismounting a lower bushing of an epitaxial device, comprising: a main frame, a plurality of telescopic members and a plurality of linkage members; the main frame has a first support part and a second support part oppositely arranged along a first direction, and has a limiting space between the first support part and the second support part for limiting the lower bushing; the plurality of telescopic members are arranged at intervals around the second support part along the first direction, and each telescopic member can be telescoped along a different second direction, the first direction being perpendicular to the second direction; one end of each linkage member is connected with one telescopic member, and the other end is slidingly connected with the main frame; the first support part is provided with a connecting part for connecting with an external lifting device. The present application can avoid the lower bushing from shaking during the mounting process, ensure that the lower bushing in the limiting space always maintains a stable posture during the mounting process, reduce the risk of jam caused by horizontal deviation from the root, improve the mounting stability, and reduce the probability of the lower bushing being broken.

The invention belongs to the technical field of strawberry planting, and discloses a strawberry elevated planting water and fertilizer integrated device which comprises a control box, a gravel filter is installed on the rear side of the control box, the gravel filter is fixedly communicated with a laminated filter, and through cooperation of structures such as an outer pipe, an inner pipe, a spiral groove and an inclined hole, a double-layer drip irrigation pipeline is utilized, and the water and fertilizer integrated device is formed. By rotating the adjusting inner pipe, the drip irrigation point position can be adjusted, long-time drip irrigation at the same point position is avoided, each strawberry plant can uniformly receive fertilizer irrigation, the drip irrigation density can be adjusted, the drip irrigation rate can be adjusted in cooperation with a machine body, the device effectively adapts to the plant growth condition, constant-speed and accurate drip irrigation is achieved, it is ensured that the plant growth environment is basically consistent, and the quality is improved; the double-layer pipeline of the outer pipe and the inner pipe is adopted for drip irrigation, compared with a traditional mode that two single-layer pipes are used, the number of branches is reduced, the water pressure needed by a single planting box can be effectively reduced, more production lines can be increased, and therefore the strawberry planting yield is increased.

The utility model belongs to the technical field of waterproof of lower room structures, and particularly relates to a waterproof and anti-leakage structure of a basement connection node. In order to solve the problems that complex water seepage paths are difficult to resist, the maintenance cost is increased due to inconvenience in disassembly and maintenance and a waterproof layer is easy to crack due to insufficient deformation coordination of a rigid assembly and a wall body in the existing single-layer waterproof or permanent fixed installation design, the following scheme is provided: the waterproof structure comprises an existing wall body and a newly-built wall body; a multi-stage water seepage blocking path is formed through the inner waterproof layer and the water stop steel plate, and even if a single layer is damaged, underground water pressure can still be effectively resisted; quick disassembly and assembly are achieved through threaded connection and a clamping structure, wall damage is avoided, and the maintenance cost is remarkably reduced; the flexible coiled material and the sealing rubber strip absorb structural deformation displacement, the fixing block embedment design limits displacement of the waterproof belt, long-term stability under dynamic loads is ensured, and the technical problems that a traditional waterproof layer cracks, is difficult to maintain and poor in adaptability are comprehensively solved.

The application provides a controller online parameter configuration method and system, a program burning method and device. The controller parameter configuration method is to read parameter information in a controller program according to a data reading instruction; the parameter information is stored in a specified storage address in the controller; when it is needed to modify parameters or functions, the parameter information is modified according to a modification instruction; the modified parameter information is written into the specified storage address in the controller, wherein the modified parameter information replaces the original parameter information. The advantage of this is that the whole program does not need to be recompiled, the user can directly edit the parameter information, the program does not need to be reconstructed, the development period and the maintenance period can be shortened, the user is easier to use, a large amount of repetitive modification and maintenance work can be saved, and development resources can be saved.

The present application relates to the field of workpiece maintenance, especially to a kind of maintenance lifting section automatic device.The maintenance lifting section automatic device includes upper beam, maintenance lifting beam, pressure disc and drive structure, the bottom end of upper beam is equipped with lower beam, lower beam is slidably connected with base, one side of upper beam and lower beam is equipped with support frame, maintenance lifting beam is installed in one side of lower beam, screw rod is rotatably connected between support frame, limit rod is fixedly connected between support frame, maintenance lifting beam is screw-connected with screw rod, maintenance lifting beam is slidably connected with limit rod, and rotatable pressure disc is symmetrically arranged on both sides of lower beam.The present application realizes automatic lifting and sliding adjustment in the process of workpiece maintenance by integrating automation components such as drive structure, screw rod and limit rod, significantly reduces manual intervention, and improves the automation level of maintenance operation.This not only reduces labor cost, but also improves maintenance efficiency and shortens maintenance cycle.

The application discloses a kind of without heating regeneration carbon dioxide normal temperature removal process and system, belong to natural gas decarburization field;A kind of without heating regeneration carbon dioxide normal temperature removal process, comprising the following steps:S1, raw material gas pretreatment;S2, CO2 absorption;S3, rich liquid flash evaporation;S4, lean liquid regeneration;S5, material circulation;The application is effectively solved by the absorption part of being set, the pain point that edge filler reaction is not sufficient, the low life of central filler;Can shake and scatter adhesion filler ball, clean filter hole impurity, avoid filter hole blockage, further improve gas-liquid mass transfer efficiency;Can buffer knock impact force, prevent that filler plate is damaged;Can effectively protect electric telescopic rod, and maintenance is convenient, need not to disassemble whole tower body, shorten maintenance cycle, guarantee production continuity;Can avoid liquid flooding, channeling phenomenon.

The present invention provides an electronic product and a method for updating the firmware of a memory thereof, comprising: a data transmission interface for receiving a firmware update data packet burned by a host end; a connection circuit, an input end of which is electrically connected to the data transmission interface; a central controller for powering on the memory; the memory, comprising a main control module and a flash memory module; a channel configuration circuit, when the firmware in the memory is updated, the channel configuration circuit controls the connection between the data transmission interface and the memory, and the data transmission interface sends the firmware update data packet to the memory; the main control module is used to process the firmware update data packet, generate target format data, perform verification processing on the target format data, generate verified qualified target format data, and perform update processing on the firmware in the flash memory module according to the verified qualified target format data. The present invention can effectively improve the firmware update efficiency of the memory in the electronic product.

The invention designs a heat dissipation device and a communication system. The heat dissipation device comprises a base body, fins and an ion wind module. The ionic wind module at least comprises a discharge structure and an alternating current power supply, the discharge structure at least comprises a first electrode, a second electrode and a dielectric layer, at least part of the first electrode is exposed in the external environment, and at least part of the second electrode is embedded into the dielectric layer to form an electrode module; one of the first electrode and the second electrode is electrically connected with the positive electrode of the alternating current power supply, the other electrode is electrically connected with the negative electrode of the alternating current power supply, ionic wind can be generated between the first electrode and the second electrode, the heating element is cooled through the ionic wind, and compared with natural convection cooling, the heat dissipation efficiency of the heat dissipation device on the heating element is improved; compared with fan cooling and ion wind cooling, noise generated during operation of the heat dissipation device is reduced, the working stability of the heat dissipation device is improved, the maintenance frequency of the heat dissipation device is reduced, the maintenance period is shortened, and the maintenance cost of the heat dissipation device is reduced.

The utility model relates to the technical field of water bucket abrasion measurement, especially to a kind of profile scanning device for water bucket abrasion depth measurement, which can realize accurate measurement of abrasion depth without disassembling water bucket;It includes mounting seat, scanning component, control component, power supply component and protective housing;The mounting seat includes base and adjusting mechanism, the base is detachably connected with the fixed block, and the adjusting mechanism is installed on the base;The scanning component includes laser transmitter and image collector, and both are installed on the adjusting mechanism and towards adjacent water bucket working surface;The control component includes data processing unit and wireless transmission module, and the data processing unit is respectively connected with the wireless transmission module, adjusting mechanism, laser transmitter and image collector;The power supply component includes rechargeable battery and charging interface, the rechargeable battery is connected with adjusting mechanism, scanning component and control component, and the charging interface is used to charge the rechargeable battery.

The utility model belongs to sand casting core making technical field discloses a modularization gas heating device and core making machine. Modularization gas heating device is used for to gas heating, including connecting piece, heating piece and at least two heating bodies, the part of two heating bodies of adjacent can be pasted and is connected, all are seted up gas passage in each heating body, the same side of heating body is seted up with the import and export that gas passage communicated, connecting channel is seted up in connecting piece, at least two heating bodies are connected and communicate through connecting piece, so that the gas passage of each heating body is mutually communicated, heating piece can set up in the outer wall of heating body. The utility model provides modularization gas heating device and core making machine, has simplified the installation and replacement of heating piece, has shortened the maintenance period, has reduced the maintenance cost.

The utility model relates to the technical field of composite busbars, and discloses a quick-plug type composite busbar, which comprises a power composite busbar, a high-voltage connector and a capacitor composite busbar. The power composite busbar is provided with a connecting plug, and the connecting plug is inserted and clamped in the high-voltage connector. The capacitor composite busbar is provided with an external interface, and the external interface is fixedly connected to the bottom of the high-voltage connector. According to the quick-plug type composite busbar, the external interface of the composite busbar has a quick plugging function, and meanwhile, the quick-plug type composite busbar is simple to disassemble and maintain, and is beneficial to shortening the maintenance period of the functional module and reducing the maintenance cost.

The utility model discloses a kind of improve the wear resistance of pli beads and continuously variable transmission, including body, wear-resistant contact part is provided on the body, and the wear surface structure of wear-resistant contact part is plane form.The utility model has the beneficial effects of slowing down the wear rate of wear-resistant contact part, reducing the maintenance cycle and cost of transmission, improving wear resistance and transmission reliability, simple structure, low manufacturing cost and not easy to damage etc.

A method for assembling a screw vacuum pump includes pre-tightening the front end cover and the rear end cover of the body, and then tightening the front end cover and the rear end cover to accurately control the radial fit clearance between the female rotor and the male rotor by controlling the radial fit clearance between the female rotor and the male rotor through a feeler gauge, and then using an axial positioning device to find a reference to keep the axial fit clearance between the female rotor and the male rotor at zero, and then adjusting the axial clearance between the female rotor and the male rotor by installing a corresponding number of gaskets between a limit sleeve and a rear end bearing cover. The invention is simple and convenient to operate, has high assembly efficiency and qualified precision, can effectively reduce the maintenance cost of the screw vacuum pump, and improve the utilization efficiency of the screw vacuum pump.

The invention discloses an intelligent dynamic coding system based on multi-modal visual identification and a control method, and relates to the technical field of automatic coding, and the system comprises a data synchronous collection module which obtains multi-modal data containing a sensitive area and carries out calibration output; the space-time-confrontation feature fusion module extracts and fuses multi-modal features; the dynamic trajectory prediction module generates a precise motion trajectory; the coding path optimization module generates and optimizes a coding path; the execution and feedback module drives code printing equipment to execute, collects effect data and feeds back the effect data to the preorder module, and an iterative optimization closed loop is formed; an integrated framework is adopted, driving, regulating and monitoring units are deeply fused, the structure is simplified, stability and reliability are improved, multiple scenes are flexibly adapted, meanwhile, a multi-module cooperation mechanism is constructed, signal and energy interaction is optimized, efficiency is improved, energy consumption and cost are reduced, maintenance and upgrading are facilitated through modular design, and practicability and market competitiveness are enhanced.

This utility model provides a filtration device for a laminator, relating to the field of laminator filtration technology. It aims to solve the problems of poor filtration efficiency in existing vacuum pumps that use conventional paper filter elements to filter the gas generated during vacuuming. This allows impurities such as welding slag and iron filings to penetrate the filter element and enter the vacuum pump cavity, affecting normal operation. Furthermore, the accumulation of impurities and dust necessitates frequent inspection, maintenance, and upkeep of the vacuum pump and filter, increasing maintenance costs. The proposed device includes a vacuum pump system with a laminator vacuum valve installed on its left side. A filter tank system is installed between the vacuum pump system and the laminator vacuum valve. The tank serves as a pre-vacuum tank to pre-vacuum the cavity. A bypass design is used; after pre-vacuuming, the filter tank's function is disabled, and the pump directly evacuates the cavity, reducing pump load, effectively improving equipment evacuation efficiency, reducing vacuum pump filter consumption, and minimizing pump maintenance.

The utility model discloses a large-span aeration bracket for a biochemical pool, and particularly relates to the technical field of sewage treatment, the large-span aeration bracket comprises a bracket structure arranged at the bottom of the biochemical pool and an air distribution pipe arranged on the bracket structure, and the air distribution pipe is respectively and fixedly connected with an aeration pipe, an air inlet pipe and a condensation dehydration pipe which are communicated with the air distribution pipe; the top of the air inlet pipe is fixedly connected with a first hanging ring, the air distribution pipe is fixedly connected with a balance weight square pipe, and the balance weight square pipe is provided with a supporting and hanging structure. The supporting structure comprises a fixing plate, a stand column, a supporting plate and a pair of limiting frames, the fixing plate is connected to the bottom of the biochemical pool through bolts, the stand column, the supporting plate and the limiting frames are sequentially and fixedly connected to the top of the fixing plate, the pair of limiting frames are arranged in a V shape, and the air distribution pipe is arranged between the pair of limiting frames; according to the utility model, the technical problems of low aeration area, high construction cost and high construction difficulty in the assembly of the aeration facility in the large-span tank body are solved.

The utility model discloses a grinding fluid recycling device, which relates to the technical field of grinding fluid recycling and comprises a recycling box, a rotating shaft is rotatably connected in a collecting cavity, a crawler belt is rotatably connected on the surface of the rotating shaft, scrapers are arrayed on the surface of the crawler belt at equal intervals, and fluid flowing ports are arrayed on the surface of the crawler belt at equal intervals. A motor is fixedly installed on one side of the recycling box, impurities in grinding liquid are filtered through a filter plate, the device is left on the surface of the filter plate, and under the action of gravity, part of the impurities can fall into a storage box along the filter plate to be collected. The motor is started and drives the rotating shaft to rotate, so that the crawler belt drives the scraping plate to rotate, impurities on the surface of the filter plate are scraped through the scraping plate, the impurities are scraped into the storage box, the problem that the filtering effect becomes poor due to the fact that the impurities block the filter plate is avoided, the filter plate is continuously cleaned, and the optimal filtering effect of the filter plate is kept; the maintenance period of the filter plate is shortened, and the use is convenient.

This application discloses a rodless pump-based surface power equipment for underground drainage and gas extraction, belonging to the technical field of underground drainage and gas extraction equipment. It includes: a conveying device for pumping power fluid; a drainage control valve, including a valve adjusting component and a valve body with a power fluid inlet, a power fluid outlet, a power fluid exchange port, and a power fluid return port. The power fluid inlet is connected to the conveying device, the power fluid outlet is connected to a pipeline injected into the formation, the power fluid exchange port is used to export a portion of the power fluid and allow it to return, and performs work on another portion of the power fluid exported through the power fluid outlet during the export process; the power fluid return port is used to return the power fluid to its source; and a driving device for actuating the valve adjusting component. When the driving device actuates the valve adjusting component, the valve adjusting component can connect the power fluid inlet to the power fluid outlet and the power fluid exchange port, or only connect the power fluid inlet to the power fluid exchange port, or connect the power fluid inlet to the power fluid outlet, the power fluid exchange port, and the power fluid return port.

The invention relates to a single-phase Internet of Things intelligent electric energy meter, and relates to the technical field of electric meters, and the electric energy meter comprises an electric meter body which is provided with a wiring area, a display area and a drainage channel arranged in a thickness direction in a penetrating manner, a terminal cover with a seal, a connecting screw with a first hole channel, and an elastic plugging mechanism. The terminal cover is provided with a plug-in solenoid, and the threaded hole is axially opposite to the threaded groove of the wiring area in a closed state. When the connecting screw is inserted in place, the first hole channel in the screw rod is communicated with the second hole channel in the side wall of the inserting screw pipe and forms an air guide flow channel with the drainage channel, and an external air source removes dust in a wiring area through the flow channel. And after the connecting screw is taken away, the plugging mechanism seals the port of the second hole channel under the elastic action to hide the channel. According to the structure, dust removal convenience and channel concealment are both considered, and the electricity larceny prevention effect can be improved.

The utility model discloses a rubber bearing disassembling tool, which relates to the technical field of bearings and comprises a working table, and a tool component is arranged on the surface of the working table. The tool assembly comprises a bottom tool, and the surface of the bottom tool is in butt joint with a workpiece. A positioning disc is fixedly connected to the interior of the bottom tool, a connecting column is slidably connected to the middle of the positioning disc, a pushing disc is fixedly connected to the top of the connecting column, and a second spring is fixedly connected between the pushing disc and the positioning disc; by means of reverse thrust of the second spring, the pushing disc can automatically push the workpiece away from the bottom tool, meanwhile, the upper tool can rapidly push the rubber bearing out of the workpiece under the action of external force, then the links of manual operation are reduced, the decomposition speed is increased, and compared with a traditional manual decomposition mode, the work efficiency is improved. The working efficiency can be improved by multiple times, and the maintenance period of equipment can be effectively shortened.

The invention relates to the technical field of intelligent household equipment and Internet of Things operation and maintenance, and discloses an electric fireplace fault self-diagnosis method and system, and the method comprises the steps: obtaining multi-dimensional sensing data and historical records; performing feature extraction and clustering calculation according to the multi-dimensional sensing data to obtain a difference feature set; inputting the difference feature set into a pre-constructed causal model for deduction, and extracting to obtain a potential abnormal link; according to the potential abnormal links and the historical records, fusing to obtain a state matrix, constructing a difference directed graph based on the state matrix, and positioning an abnormal source; and inputting the state vector corresponding to the abnormal source into a pre-constructed Bayesian network for deduction to determine a fault starting point. According to the method, the fault root cause of the electric fireplace can be accurately positioned.