837 results about "Motor protection" patented technology

The invention discloses a sampling implementation method and system suitable for motor protection quick response, belongs to the technical field of motor protection, and can increase the sampling frequency and improve the quick response of motor fault protection. Comprising the steps that motor phase current and bus voltage are collected, after anti-aliasing filtering is conducted, parallel sampling is conducted through a main ADC module and a redundant ADC module which are independently configured, and the following operations are synchronously executed based on a double-buffer-area framework: in a first buffer area, a compensation coefficient updating period is dynamically adjusted, and convergence is restrained; in the second buffer area, generating a voltage gradient prediction sequence, and compensating data abrupt change; when the harmonic frequency spectrum amplitude or the voltage gradient prediction sequence exceeds the limit, an oversampling mode is triggered, a redundant ADC module is allocated to load a multi-order digital filter, and an independent hardware acceleration unit is started to process harmonic compensation and gradient prediction in parallel; and generating a dynamic safety envelope, and if the gradient extreme value in the preset continuous window breaks through the safety envelope, generating an overvoltage fault signal.

The invention provides a solar-powered motor protection method and system, and is applied to the field of equipment data processing. The output torque of the motor is adjusted in real time according to load change by using a dynamic torque compensation algorithm, normal operation of the motor can still be maintained under the condition of low electric quantity, sudden power failure caused by electric quantity fluctuation or load change is avoided, work interruption caused by power mismatching of the motor can be effectively reduced, and the service life of the motor is prolonged. Meanwhile, loads are dynamically distributed, power management is optimized, it is ensured that all parts of the system operate under proper voltage, current and torque, overload or long-time low-efficiency work is avoided, a multi-layer protection strategy is applied to carry out delay protection on the motor, harmonic interference can be effectively restrained, temperature rise can be effectively controlled, and the service life of the system is prolonged. And standby power supply support is provided, so that safe transition of the motor can be ensured under the condition of current fluctuation, and unnecessary shutdown is reduced.

The utility model belongs to the field of light controllers, particularly relates to an intelligent household light controller, and aims to solve the problems that when an existing intelligent household light controller is installed at home, disassembly and assembly are inconvenient, later maintenance or replacement is inconvenient, and a light controller body is not protected by a protection device. Comprising two motors, a protective cover and supporting platforms, a switch device is arranged at the top of the protective cover, a lifting device is arranged in the protective cover, a placing table is arranged on the lifting device, two supporting platforms are fixedly connected to the two sides of the placing table, and the two motors are arranged on the two supporting platforms; according to the light controller assembly and disassembly device, a worker can easily disassemble and assemble the light controller, later maintenance or replacement is facilitated, and a switch device and a protection cover are arranged, so that a light controller body can be protected.

The invention relates to a self-moving device and a motion control method and system thereof, in particular to a motion control method and system suitable for a self-moving device of a double-wheel independent driving structure, the self-moving device and a medium, and aims to solve the problem that when the self-moving device of the double-wheel independent driving structure runs in a complex environment, the motion of the self-moving device cannot be controlled. The technical problem that a finer control strategy is needed in the face of core challenges such as violent load change, strong motor protection requirement and high motion stability requirement is solved. According to the motion control method of the self-moving equipment, the current rotating speeds and current currents of motors on the two sides are monitored in real time, the rotating speeds of the motors on the two sides are dynamically adjusted, the maximum output power is limited, constant acceleration smooth processing is adopted, the expected rotating speed in unit time is calculated, and it is ensured that the speed change is stable; and dynamically coordinating the rotating speeds of the motors on the two sides by utilizing a speed ratio adjusting strategy to keep a motion posture.

The utility model discloses a modified asphalt waterproof coiled material construction laying device, and belongs to the technical field of coiled material laying, the modified asphalt waterproof coiled material construction laying device comprises a first mounting plate, a damping mechanism is arranged at the top end of the first mounting plate, a second mounting plate is fixedly mounted at the top end of the damping mechanism, and a laying mechanism is arranged on the top surface of the second mounting plate; and a motor protection shell is fixedly mounted in the first mounting plate and located on one side of the laying mechanism. A pushing handle is pushed to enable the laying mechanism to conduct laying, the fire spraying mechanism heats the laying mechanism, a first cleaning brush and a second cleaning brush are located in front of the laying mechanism, a motor drives a rotating shaft to rotate, and a first gear and a second gear are meshed to drive the rotating shaft to rotate; the first cleaning brush and the second cleaning brush rotate synchronously to clean the bottom surface, so that the ground to be paved by the paving mechanism can be cleaned, the cleanliness of the ground can be improved, the paving effect of the waterproof coiled material can be improved, and the waterproof effect after paving can be improved.

The invention relates to an integrated protection magnetic suspension motor and a magnetic suspension vacuum pump, and belongs to the technical field of magnetic suspension motor protection. In the magnetic suspension motor, a front backboard is arranged at the front end of a casing, a tail end cover and a tail end cover are arranged at the rear end of the casing, the casing, the front backboard, the tail end cover and the tail end cover form an installation cavity, and a front protection bearing seat, a front radial magnetic bearing seat, a rear protection bearing seat and a rear radial magnetic bearing seat are installed in the installation cavity. And a seam and a connecting surface between the bearing seats are prevented from being exposed outside. Only one air inlet and one air outlet are formed in the machine shell, leakage points are reduced through the design of the single air inlet and the single air outlet, and protection above IP54 is achieved. Meanwhile, heat dissipation and protection of the motor are considered at the same time through the design.

The invention relates to the technical field of motor heat dissipation, and discloses motor protection heat dissipation equipment and a heat dissipation method thereof.The motor protection heat dissipation equipment comprises an air inlet mechanism and further comprises an equipment shell, a mounting pipe is connected to the side wall of the equipment shell in a penetrating mode, and a power motor drives sliding fan blades through a mounting plate to transmit air in the equipment shell into the mounting pipe; in the process, the balancing weights are diffused to the periphery along the outer walls of the sliding fan blades under the action of centrifugal force, and impurities remaining on the outer walls of the sliding fan blades are scraped off in the sliding process of the annular balancing weights, so that normal operation of equipment is guaranteed before the sliding fan blades are used; in addition, in the outward moving process of the balancing weight, the balancing weight drags the metal chains to synchronously move outwards, outward moving of the metal chains generates pulling force on the collecting wheel, the lengths of the multiple metal chains are equal, the transverse moving distance of the balancing weight is indirectly controlled by controlling the extension length of the metal chains through the rotating angle of the collecting wheel, and it is guaranteed that when the sliding fan blade is cleaned, the sliding fan blade is not prone to falling off. The gravity center of the sliding fan blade is not changed.

The invention relates to the technical field of motor protection devices, and discloses a novel mechatronics motor protection device which comprises a dehumidification assembly, the dehumidification assembly comprises a shell, and the bottom of the inner wall of the shell is fixedly connected with a first motor. The first motor can generate a large amount of heat during working, so that the temperature in the shell is high, due to the fact that the temperature of the U-shaped groove part is low, when hot air in the shell makes contact with the bottom of the U-shaped groove, the hot air is cooled, water vapor is condensed into water drops due to temperature reduction, and due to the fact that the second motor is started at the moment, the water vapor is cooled. A motor II drives a gear I to rotate through a rotating shaft, the gear I drives a reciprocating screw rod to rotate through a gear II, the reciprocating screw rod drives two water collecting grooves to reciprocate through a connecting plate, the water collecting grooves drive water scraping plates to scrape water drops condensed at the bottom of a U-shaped groove, and the scraped water drops fall into the water collecting grooves to be collected.

The utility model discloses a performance testing device for bearing operation, which belongs to the technical field of bearing performance testing and comprises a main body, the top end of the main body is fixedly connected with a motor protection cover, a servo motor is fixedly connected in the motor protection cover, and the output end of the servo motor is fixedly connected with a rotating column. According to the performance testing device for bearing operation, a first electric push rod is started, the first electric push rod shrinks and pulls a rotating block, at the moment, the rotating block drives an extrusion block to rotate around a pin in the middle, the extrusion block rotates to enable two sides to extrude a moving block, and the moving block moves towards two sides; the movable block moves to drive the clamping ring to expand, at the moment, the bearing can be put in, then the first electric push rod is recovered, at the moment, the reset spring drives the movable block and the clamping ring to reset, the put-in bearing is clamped, the bearing is prevented from loosening, it is guaranteed that the bearing is more stable in the rotation test, and installation test of the bearing is more convenient.

The invention discloses a lithium battery over-temperature power-off protection device, and relates to the technical field of battery protection, the lithium battery over-temperature power-off protection device comprises a protection shell and a storage battery, the storage battery is installed on the inner side of the protection shell, a relay and a temperature sensor are installed on the upper portion of the protection shell, and a sealing protection assembly for the storage battery is arranged on the protection shell; the sealing protection assembly comprises a servo motor installed on the side face of the protection shell, a movable plate, a baffle, a concentric-square-shaped plate and a plurality of fan blades rotationally connected with the side face of the protection shell, the movable plate, the baffle and the concentric-square-shaped plate are arranged on the inner side of the protection shell in a sliding mode, and a first threaded rod is installed at the output end of the servo motor. And meanwhile, air in the protective shell is sucked away, so that a fire source generated by a storage battery fire disaster and oxygen in the external environment can be effectively isolated through cooperative work, and the spreading speed of the fire behavior is slowed down.

The invention relates to the technical field of motor protection, in particular to a protection device for an electric tricycle motor, which comprises a motor body, a transmission mechanism mounted on the motor body, a protection mechanism mounted on the transmission mechanism, a cleaning mechanism mounted on the protection mechanism, a connecting mechanism mounted on the motor body, and a locking mechanism mounted on the motor body. A sealing mechanism is mounted on the connecting mechanism; the bottom of the motor body is shielded and protected through the protection mechanism, sundries on the protection mechanism are scraped through the cleaning mechanism, corrosion of the motor body is reduced, heat dissipation is facilitated, the motor body and the transmission mechanism are quickly disassembled and assembled through matched installation of the connecting mechanism and the locking mechanism, follow-up maintenance is facilitated, and the sealing mechanism is installed, so that the sealing performance of the motor is improved. And the sealing mechanism is driven by the connecting mechanism, so that the sealing mechanism is tightly sealed.

The invention provides a motor protection circuit, a motor power supply system and electronic equipment, and belongs to the technical field of electronics. The motor protection circuit comprises an on-off control circuit; the on-off control circuit is connected with a three-phase inverter and a motor, and is used for disconnecting at least two phase current output ends of the three-phase inverter and the motor under the condition that the three-phase inverter has a control fault, so that an electrical connection loop does not exist between the three-phase inverter and the motor. The back electromotive force current generated by the motor due to the back electromotive force is effectively prevented from recharging through the three-phase inverter, and the problem that the three-phase inverter, the battery pack and other devices connected with the motor are damaged due to the back electromotive force current is solved.

The invention discloses a circuit breaker energy storage motor general protection method and system, and relates to the technical field of circuit breaker energy storage motor protection, and the method comprises the steps: collecting the real-time current data of an energy storage motor, and carrying out the preprocessing of the collected data; analyzing current data in real time, performing overcurrent fault judgment, and setting and adjusting overtime protection time through a dynamic threshold adjustment algorithm; through real-time monitoring of current and time data, an emergency stop instruction is executed immediately after a fault is identified, and a locking instruction is triggered after emergency stop. According to the method, a reliable data basis is provided for subsequent fault judgment, so that the accuracy and reliability of the whole protection system are improved, protection parameters are automatically adjusted according to the actual operation condition of the motor, safe operation of the motor under the complex working condition is ensured, the fault response time is greatly shortened, and the working efficiency is improved. Reset operation and all-directional self-inspection after troubleshooting ensure that the motor is in a safe working state before running recovery, and the safety and stability of the system are further improved.

The invention relates to a motor overload protection method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a current current value and a current rotating speed value of a motor, calculating the initial delay execution time of a motor protection action based on the current current value, the current rotating speed value and a motor thermal time coefficient, and carrying out the motor overload protection according to the initial delay execution time; executing a motor protection action; according to the method, the motor thermal time constants are determined through the motor historical temperature data, the motor historical current data and the motor historical rotating speed data, and due to the fact that the motor historical temperature data, the motor historical current data and the motor historical rotating speed data of different motors are different, the calculated motor thermal time constants are different; therefore, the technical problem that the delay execution time of the motor protection action calculated through the fixed motor thermal time constant is inaccurate and the motor protection effect is affected is solved, the thermal capacity of the synchronous motor can be correctly simulated, and the protection effect of the synchronous motor is improved.

The invention discloses an on-line intelligent spiral sampling device for machine-made sand. The on-line intelligent spiral sampling device comprises a sampling barrel main body, a fixing plate is installed at the tail end of the sampling barrel main body, a motor protection box is installed on the fixing plate, a spiral conveying mechanism is arranged on the sampling barrel main body, and a sampling screening mechanism is arranged on the sampling barrel main body; the spiral conveying mechanism comprises a drill bit, a driving motor, a rotating shaft and an intermittent conveying part; the intermittent conveying part is used for intermittently conveying machine-made sand; the sampling and screening mechanism comprises a discharging pipe, a lifting part, a screening part and a vibrating part, the discharging pipe is communicated with one side of the bottom of the sampling barrel main body, the screening part screens the machine-made sand according to the size, and the vibrating part vibrates the screening part so that the machine-made sand can conveniently penetrate through the screening part. The machine-made sand sampling device has the beneficial effects that the phenomenon of material blockage is avoided, the discharging efficiency is improved, the sampling efficiency is improved, machine-made sand can be detected in the sampling process, the working efficiency is improved, and the labor intensity of workers is reduced.

The utility model relates to the technical field of precipitation devices, and discloses a precipitation device for sweet potato starch production, which comprises a separation barrel, a motor protection shell, a first motor, a sealing top cover and a mounting frame, a second motor is fixedly mounted in the middle of the inner wall of the bottom of the mounting frame, a rotating disc is fixedly mounted at the output end of the second motor, a deviation rod is fixedly mounted at the end, away from the circle center, of the top of the rotating disc, a connecting rod is fixedly connected to the upper end of the deviation rod and is in an L shape, and a screen frame is arranged on the front side of the connecting rod. The middle of the rear side wall of the screen frame is fixedly connected with the front end of the connecting rod, and a screen is fixedly installed at the bottom of the screen frame. According to the sweet potato raw liquid screening device, sweet potato raw liquid flowing into the screen is screened back and forth, so that impurities contained in the sweet potato raw liquid are screened, and the practicability is improved.

The utility model relates to a clutch mechanism with motor protection, which comprises a motor and a safety component, and an output shaft is arranged on the motor. The safety assembly comprises a connecting sleeve, an output section and an elastic piece, the output shaft is connected with the connecting sleeve, and the output section can axially move relative to the connecting sleeve; the connecting sleeve is provided with a first face, the output section is provided with a second face, the first face is matched with the second face, and the first face is an inclined face or an arc face. The first face is coupled with the second face. The clutch mechanism with the motor protection function has the following advantages that after the limited torque is exceeded, the axial component force borne by the second face is larger than the pressure of the elastic piece, so that the elastic piece is compressed, the output section and the connecting sleeve can be automatically disengaged, the output shaft can be prevented from being broken, and the use safety of the motor is improved.

The utility model belongs to the technical field of vehicle chargers, and particularly relates to a vehicle storage battery charger for vehicle charging, which comprises a charger protection shell and a square groove, the square groove is arranged on the upper surface of the charger protection shell, a control unit is arranged in the charger protection shell, and a heat dissipation mechanism is arranged on the side surface of the charger protection shell. The control unit comprises a controller, a mounting column, a voltage and current display module and a voltage and current adjusting module. According to the vehicle storage battery charger for vehicle charging, each working state of the charger can be controlled by arranging the control unit, and the voltage and current display module and the voltage and current adjusting module can realize a current and voltage dual-display function and can automatically monitor output current and voltage to improve the working efficiency; by arranging the heat dissipation mechanism, efficient heat dissipation can be conducted on the controller, the working state of the charger is prevented from being affected by high temperature, heat conduction and heat dissipation capacity can be improved by matching heat dissipation fans on the two sides with a plurality of heat dissipation fins, and the service life of the charger is prolonged.

The utility model discloses an anti-immersion American transformer station comprising a box station, the two ends of the front side of the box station are rotatably connected with station doors, the outer side of the box station is fixedly provided with a waterproof plate, the upper part of one side of the box station is fixedly provided with a motor protection cover, the front side of the box station is fixedly provided with a rubber frame, and the surface of the rubber frame is provided with a clamping groove. Magnet pieces are evenly arranged on the surface of a clamping groove in the surface of the rubber frame in an adhesive mode, a rubber clamping ring is fixed to the surface of the station door, and a metal piece is arranged in the rubber clamping ring. According to the anti-immersion American transformer substation, the anti-seepage effect of the American transformer substation can be improved through clamping and sealing of the L-shaped waterproof plates at the heat dissipation holes in the surface of the box station, the rubber frame in the box station and the rubber clamping ring on the surface of the station door.

The invention relates to the technical field of motor protection equipment, and particularly discloses a coding motor with a heat dissipation protection structure, which comprises a front panel, the tail part of the front panel is fixedly connected with a mounting cover through a bolt, the mounting cover is cylindrical, a motor body is arranged in the mounting cover in parallel, and the motor body is fixedly connected with the front panel through a bolt. The output end of the motor body is fixedly connected to the outer surface of the tail of the front panel through bolts, the output end of the motor body is rotationally connected with a transmission rod, and the end, away from the motor body, of the transmission rod penetrates through the front panel. When cold air is extracted into the mounting cover through the heat dissipation grooves, air can enter the mounting cover through the filtering holes in the filtering ring, external air is filtered through the filtering holes, the possibility that dust enters the mounting cover is greatly reduced, and the situation that the dust blocks the mounting cover to reduce the heat dissipation effect is avoided; and meanwhile, the problem that the service life of the motor body is affected due to the fact that dust enters the motor body can be greatly solved.

The utility model relates to the electromechanical field, in particular to a novel motor reel. Comprising a winding device and a protection device, the protective device comprises a protective surface, a wall body and a connecting part, wherein the connecting part comprises a first connecting lug and a second connecting lug; the first connecting lug and the second connecting lug are respectively provided with a first connecting groove and a second connecting groove, and the upper winding part and the two ends of the binding post are respectively provided with a third connecting groove corresponding to the first connecting groove and a fourth connecting groove corresponding to the second connecting groove; the protection device and the upper winding part are fixed through binding; compared with the prior art, through the arrangement of the first connecting groove, the second connecting groove, the third connecting groove and the fourth connecting groove, the protective device can be effectively fixed through the binding band, so that the protective device can be applied to a motor protective cover with an upper cover, and when the protective device is applied to a motor protective cover without an upper cover, the protective device cannot be damaged. And the situation that the protection device falls off in the transportation process is avoided.

The invention relates to the technical field of education and practical training, in particular to a low-voltage electrician special operation practical training examination system. A power supply module; the operation module is used for allowing examinees to complete various practical operation items; the data acquisition module is used for acquiring sequence, position and correctness data of wiring of examinees and analyzing motor steering, phase sequence and open-phase and short-circuit fault states; the motor protection module is connected with the main control module, and is used for monitoring the running state of the motor, performing overload, short circuit, undervoltage, overvoltage and open-phase protection, and executing a protection action of cutting off a power supply when an abnormality is monitored; an automatic scoring module; a remote communication module; an identity recognition module; and the evaluation system module is used for verifying the identity recognition information of the examinees and automatically extracting and displaying examination questions after the identity verification is completed. According to the application, full-process module collaboration is realized, and the effects of automatic management, data acquisition and analysis of motor practical operation evaluation are realized.

The invention discloses a motor protection method and device, a motor, a storage medium and a computer program product, and the method comprises the steps: obtaining the phase current of each phase winding of the motor for each phase winding of three-phase windings of the motor in the operation process of the motor; therefore, the three-phase current of the motor is obtained. Only according to the three-phase current of the motor, in combination with a preset fault retrieval subprogram, determining whether one phase of current in the three-phase current of the motor is lack of phase; and under the condition that it is determined that one of the three-phase currents of the motor is open in phase, a reminding message that one of the three-phase currents of the motor is open in phase is initiated, and the motor is controlled to stop, so that open-phase protection of the motor is achieved. According to the scheme, the open-phase protection is carried out only based on the three-phase current of the motor without depending on the rotor angle of the motor, so that the reliability of the open-phase protection of the motor is improved.

The invention relates to the technical field of chef machine motor protection, in particular to a chef machine motor overheating protection method and system oriented to a high-temperature environment, and the method comprises the steps: firstly collecting chef machine monitoring data, then obtaining first temperature prediction data according to a preset prediction model, and obtaining second temperature prediction data based on a preset thermodynamic model; and then combining the first temperature prediction data and the second temperature prediction data to adjust the initial overheating protection threshold value to obtain a target overheating protection threshold value, and finally performing predictive protection adjustment on the chef machine according to the target overheating protection threshold value. Compared with the prior art, the method has the advantages that the overheating protection threshold is dynamically adjusted according to the results of the preset prediction model and the preset thermodynamic model so as to reduce misjudgment, and meanwhile, the situation of shutdown waiting is avoided by adopting a predictive protection adjustment mode; the problems of low accuracy and low efficiency of a protection mode based on a fixed threshold in the prior art are solved.

A motor protection device in a vacuum environment belongs to the technical field of wind tunnel tests. According to the invention, the problem that the permanent damage to the motor is easily caused if the vacuum injection time in the hypersonic wind tunnel is long at present is solved. The device comprises a motor protection shell, quick plugs, an air inlet pipe and a measurement and exhaust pipe, a motor is installed in the motor protection shell, the two quick plugs are installed on the motor protection shell, the air inlet pipe is communicated with the interior of the motor protection shell through one quick plug, and the measurement and exhaust pipe is communicated with the interior of the motor protection shell through the other quick plug. According to the motor protection device in the vacuum environment, on the premise that the atmosphere does not leak into a wind tunnel environment, the service life of the motor in the vacuum environment is prolonged, and the fault rate of the motor in the vacuum condition is reduced.

The utility model relates to the technical field of mechanical production, in particular to a double-geared-roller crusher motor protection device which comprises a motor, a base is fixedly arranged at the tail end of a rotating shaft of the motor, a buffer shell is fixedly arranged on the side, away from the motor, of the base, and a transmission mechanism is fixedly arranged in the buffer shell. When the device is used, the motor rotates to drive the base on one side to rotate, the base drives the whole buffer shell on one side to rotate, a large amount of hydraulic oil is contained in the buffer shell, and therefore in the rotating process of the buffer shell, the hydraulic oil is driven by the first blade on one side of the buffer shell to move towards one side. And therefore, after the overload problem is solved, the device can immediately start to work, and internal components do not need to be overhauled or replaced.

The present invention discloses a motor with a protection function and a motor protection method, which relates to the technical field of motors, including a mounting seat, a motor mounted on the mounting seat, a motor shoulder arranged on the outer shell of the motor, a motor shaft of the motor passing through the middle of the motor shoulder, a vibration protection device arranged on the motor shoulder, the vibration protection device comprising a fitting ring, the fitting ring sleeve arranged on the motor shoulder, a temperature sensor fixedly mounted on one side of the fitting ring, the temperature sensor being in close contact with the motor, a sleeve ring fixedly mounted on the mounting seat, a plurality of sensors one being fixedly mounted on the fitting ring, and a distance being left between the sensor one and the sleeve ring. The temperature sensor is in close contact with the motor and can monitor the temperature generated between the motor shaft and the motor at any time, and cut off the power supply in time for protection when the temperature is too high, the relative rotation between the motor shaft and the motor will cause wear, and the temperature rises when the wear reaches a certain degree and damages the motor, and the real-time monitoring of the temperature sensor can avoid further damage to the motor and repair the motor in time.

The invention provides a safety protection device of a wind power assembly, and relates to the technical field of wind power generation. The safety protection device comprises a cabin, a tower drum is fixedly mounted at the bottom end of the cabin, a first rotating shaft is arranged at the left end of the cabin, fan blades are fixedly mounted on the first rotating shaft, and the other end of the first rotating shaft is connected with one end of a gearbox; the other end of the gearbox is connected with a generator through a second rotating shaft, the bottom end of the gearbox is fixedly installed on the supporting base, and a motor protection mechanism is arranged at the bottom end of the generator. By arranging the motor protection mechanism and through operation of the motor protection mechanism, the technical problems that in the prior art, most protection devices only pay attention to protection of a single factor, such as lightning protection or wind and snow prevention, and safety protection for internal wind power assemblies is lacked are effectively solved.

The invention relates to the technical field of motor protection, and discloses a high-efficiency motor operation safety control method, which comprises the following steps: S1, based on an embedded sensor, adopting a multi-source data fusion algorithm, and through Kalman filtering and normalization processing, collecting and preprocessing operation data of a motor in real time, generating preprocessed multi-dimensional sensor data, and sending the preprocessed multi-dimensional sensor data to a server; and S2, on the basis of the preprocessed multi-dimensional sensor data, a physical model driving method is adopted, and a digital twin model of a motor is updated through a real-time simulation engine, so that a current motor state is mapped, and high-fidelity digital twin state mapping is generated. By collecting multi-source sensor data in real time and applying Kalman filtering and normalization processing, the data quality and consistency are remarkably improved, and a reliable foundation is laid for subsequent analysis; high-fidelity digital twinning state mapping is constructed based on physical model driving and a real-time simulation engine, dynamic and accurate representation of multiple physical field states in the motor is realized, and the state sensing depth is enhanced.

The utility model discloses a soil remediation ventilation mechanism which comprises a soil remediation ventilation machine frame body, a motor protection box is arranged above the soil remediation ventilation machine frame body, a motor is arranged in the motor protection box, a ventilation fan is arranged at the top of the motor protection box, and an air conveying pipe is arranged at the outer ring position of the bottom face of the ventilation fan. And handheld frames are arranged on the two sides of the motor protection box, and anti-skid handles are arranged in the handheld frames. According to the utility model, the spiral soil drilling cutter and the air delivery pipe are respectively arranged in the soil drilling cover, and the spiral soil drilling cutter and the air delivery pipe are mounted together, so that the ventilation mechanism has a drilling function and can be used even in a hard soil area, and meanwhile, the air delivery pipe can be drilled into the deep part of the soil for use according to the depth of a position where the soil needs to be ventilated; the two structures are assembled into a whole, the occupied space is saved, the soil ventilation remediation effect can be improved, and the device is more convenient to carry.