Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

353 results about "Motor testing" patented technology

Online monitoring method and system for health state of carbon brush of motor

The invention relates to the technical field of motor testing, in particular to an online monitoring method and system for the health state of a carbon brush of a motor, and the method comprises the steps: determining a target operation load environment cluster of a target carbon brush at the current moment according to the pre-obtained load condition and operation environment condition of the target carbon brush in the current operation time period; screening out a reference operation time period; determining an abnormal loss factor and a potential abnormal wear feature vector of the target carbon brush at the current moment; according to the Lyapunov index of the vibration signal of the target carbon brush in the current operation time period and the temperature change and the current change of the target carbon brush in the current operation time period, determining a wear fault display possible feature vector; therefore, the health state of the target carbon brush at the current moment is determined. According to the invention, the potential abnormal wear condition of the target carbon brush at the current moment is considered, the health state of the carbon brush is monitored, and the timeliness of abnormal health state monitoring of the carbon brush is improved.
Owner:XIAN QINGAN ELECTRIC CONTROL

Industrial robot motor fault early warning method

The invention discloses an industrial robot motor fault early warning method, and relates to the technical field of motor testing and state monitoring, and the method comprises the steps: introducing a kurtosis-based real-time statistical feature to adaptively adjust the noise amplitude and the decomposition frequency, enabling noise-added empirical mode decomposition to dynamically reconfigure parameters along with the working condition of a motor, and enabling the noise-added empirical mode decomposition to be more accurate. Stable intrinsic mode function components can still be obtained when the impact load frequently changes; a screening coefficient formed by three types of sub-indexes of correlation, an energy ratio and impact sensitivity is utilized to realize automatic elimination of noise dominant components, and the problems of modal aliasing and residual noise are effectively relieved; on this basis, target components are reconstructed and fractal box dimensions are extracted, so that the features still have strong distinguishing ability in the face of transient abrupt change and multi-scale roughness, and the sensitivity to early weak faults is enhanced; and vibration signal dynamic time warping with current as a time reference is further combined with multi-sensor feature fusion.
Owner:BEIJING SHENGBERUI IND TECH CO LTD

Motor test bench system

The invention discloses a motor test bench system, which comprises a hardware system architecture and a software system architecture, wherein the hardware system architecture comprises a mechanical load and sensing unit, a centralized power supply and excitation unit, a data acquisition and control center and an upper computer system; the software system architecture comprises a unified data layer, an automatic control layer, a dynamic load regulation layer, a full-automatic test sequence layer, a man-machine interaction layer, a data analysis and report layer and a collaborative development interface; the problems that an existing test bench is single in signal collection, incomplete in information collection and poor in data synchronism; the load cannot be dynamically changed in real time; and high-order test data results are poor in visualization and cannot be directly converted into test reports.
Owner:YANGTZE DEITA GRADUATE SCHOOI OF BEIJING INST OF TECH (JIAXING)

Motor testing device and calibration method, testing method and equipment thereof

The invention discloses a motor testing device and a calibration method, a testing method and equipment thereof, and relates to the technical field of motor performance tests.A control assembly of the motor testing device is in communication connection with a torsion calibration device under the conditions that the motor testing device is in communication connection with the torsion calibration device, and a test calibration end is in transmission connection with the torsion calibration device; controlling the torque calibration device to output torque to the test calibration end, acquiring a torque value detected by the torque detection piece when the output torque of the torque calibration device reaches target calibration torque, and calibrating the torque detection piece according to a difference value between the detected torque value and the target calibration torque; under the condition that the motor testing device is electrically connected with the to-be-tested motor and the testing calibration end is in transmission connection with the to-be-tested motor, the controllable load part is controlled to output preset load torque to the torsion shaft and output preset electrical parameters to the to-be-tested motor, and torques detected by the torque detection part under different preset electrical parameters are obtained; according to the invention, the precision of motor small torque testing can be improved.
Owner:RISUN TECH (SHENZHEN) LTD

Multifunctional motor test operation system and method

The invention relates to the technical field of motor test equipment, in particular to a multifunctional motor test operation system and method, and the method comprises the steps: a parameter detection module synchronously collects voltage, current, frequency, temperature, vibration, insulation resistance and DC resistance parameters, and converts the parameters into electric signals; the data processing module carries out amplification, filtering and analog-to-digital conversion on the electric signal to obtain a measured value; the storage module stores the measured value; and the report generation module automatically generates a test run report containing parameter analysis and qualification conclusions through a preset template based on the stored value. The parameter detection module synchronously collects various parameters and converts the parameters into electric signals, the data processing module processes the signals to obtain accurate measured values, the storage module stores data, and the report generation module automatically generates a test run report containing analysis and conclusion based on the stored values. The problems that the function is single, data integration is difficult and report generation is tedious are solved, the testing efficiency and accuracy are remarkably improved, and manual errors are avoided.
Owner:CHINA RESOURCES POWER (YICHANG) CO LTD

Propeller motor load characteristic simulation test device

The invention relates to the technical field of motor testing devices, and provides a propeller motor load characteristic simulation testing device, which comprises a bracket (10), a turntable (20), a plurality of electromagnets, a load motor (50) and a detector (40), the turntable (20) is arranged in the bracket (10), and the propeller motor (100) can drive the turntable (20) to rotate; the electromagnets are used for providing radial force load, axial force load and unbalanced bending moment load for the output shaft; the load motor (50) is used for applying torque to the output shaft; the detector (40) is used for detecting the radial force load, the axial force load, the unbalanced bending moment load and the torque of the output shaft. The propeller motor load characteristic simulation test device can simultaneously, independently or compositely test the radial force load, the axial force load, the unbalanced bending moment load and the torque of the output shaft of the propeller motor (100), and multi-dimensional simulation of the load of the propeller motor is realized.
Owner:齐鲁空天信息研究院

Variable-diameter intelligent underground turbine generator test board

The invention relates to the technical field of oil and gas resource drilling tools, in particular to a variable-diameter intelligent underground turbine generator test board which comprises a generator fixing module, a magnetic ring clamping module and a driving digital display module. The generator fixing module comprises a generator, a fixing support, a pushing and clamping sliding block, a lead screw motor and a pushing and clamping lead screw nut. The magnetic ring clamping module comprises a magnetic ring, a clamping sliding block, a clamping lead screw nut, a clamping lead screw, a large bevel gear, a small bevel gear, a bevel gear transmission shaft, a transmission gear, a driving gear ring, a hexagonal stud, a hollow gear motor, a hollow connecting shaft, a tapered roller bearing set, a bearing upper base, a large nut, a bearing lower base, a hollow belt wheel, a rear bearing, a front bearing and a middle shell. The device comprises a thin bearing pack, a clamping base body, an outer bearing, an outer bearing base body, an inner bearing and a rack, and the driving digital display module comprises a belt wheel motor, a controller, a power supply and a power analyzer. Through the intelligent variable-diameter clamping device, underground turbine generators of different sizes and powers can be tested, the application range is wider, and the working performance is more stable.
Owner:SOUTHWEST PETROLEUM UNIV +2

Motor dynamic characteristic compensation test method and platform based on multi-modal data

The invention relates to the technical field of motor testing, and discloses a motor dynamic characteristic compensation test method and platform based on multi-modal data, the method collects motor data through a multi-modal synchronous test system, and a processing module executes the following steps: constructing a state observer model to estimate winding temperature and loss torque; in the online test, the accuracy of the model is monitored by calculating the residual error between the model prediction and the measured value; and when the residual dynamic characteristic exceeds a threshold value, generating and applying an adaptive excitation sequence according to the residual characteristic, collecting high-resolution data to update model parameters on line, forming a self-optimization closed loop, after the test is finished, adopting a fixed interval smoothing algorithm to be combined with a final model to obtain a global optimal state track, and calculating a dynamic characteristic compensation result according to the global optimal state track. According to the invention, through adaptive excitation of residual error driving and online model updating, accurate identification and compensation of dynamic characteristics of the motor are realized, and the test automation level and accuracy are improved.
Owner:NANJING TESTECH TECH

An outboard motor testing system

The application discloses an outboard motor testing system, which comprises a water tank, a supporting device for supporting the outboard motor above the water tank, two height adjusting mechanisms installed on the supporting frame, a turnover mechanism installed on the height adjusting mechanisms, a crossbeam installed between the two turnover mechanisms, a clamping device arranged in the water tank for clamping and fixing the testing end of the outboard motor, and a dynamometer arranged outside the water tank and connected with the propeller shaft of the outboard motor through a transmission shaft mechanism. The outboard motor testing system can improve the testing precision and efficiency.
Owner:SUZHOU BAISHENG POWER MACHINE

New energy automobile motor testing device

The invention relates to the technical field of motor testing, and discloses a new energy automobile motor testing device which comprises a base, an equipment box is installed on the base, performance testing equipment is arranged in the equipment box, the performance testing equipment is connected with an input shaft, the new energy automobile motor testing device further comprises a testing table, and a connecting frame is installed on one side of the testing table; a connecting cylinder is rotationally arranged in the connecting frame; according to the invention, the power of the output shaft of the motor can be stably transmitted to the input shaft of the performance test equipment through the self-adaptive transmission assembly, so that the power transmission between the motor and the input shaft is not affected by the bumping of the motor, and the performance test equipment can carry out precise test in the motor bumping simulation test process. In addition, in the process that the jolting assembly drives the motor on the test board to jolt up and down, the jolting assembly can test the performance parameters of the output shaft of the motor when the load exists through the weight of structures such as the test board and the like.
Owner:WUXI KERUI TESTING SERVICE CO LTD

Magnetic suspension motor detection device

The invention relates to a magnetic suspension motor detection device, and relates to the technical field of detection devices.The magnetic suspension motor detection device comprises a bottom plate, a workbench is arranged at the center of the top of the bottom plate, a lower detection table is arranged at the top of the workbench, a hinge is arranged on one side of the outer wall of the lower detection table, and the lower detection table is connected with an upper detection table through the hinge; a groove is formed in the lower detection table, a spring plate assembly is arranged in the groove, a detection probe is arranged on one side of the spring plate assembly, a connecting assembly is arranged on one side of the detection probe, a driving mechanism is arranged in the upper detection table, an arc-shaped pressing plate is arranged on one side of the driving mechanism, and a rotating shaft is arranged on one side of a hinge. Through the design of the modularized probe, the self-adaptive clamping mechanism and the linkage power supply, the rapid synchronous detection of the electrical and magnetic properties of the magnetic suspension motor is realized, the efficiency and the precision are remarkably improved, the manual intervention is reduced, and the requirements of multiple models are met.
Owner:ZHEJIANG KEENTE MOTOR TECH CO LTD

Background magnetic field simulation and test device for motor superconducting coil quench detection and electromagnetic property analysis

The invention belongs to the technical field of superconducting motor testing, and particularly relates to a background magnetic field simulation and testing device for motor superconducting coil quench detection and electromagnetic characteristic analysis. The device comprises an outer stator iron core, an inner stator iron core, an open type or closed type low-temperature container with a built-in superconducting coil device, and a device bracket, wherein the outer stator iron core and the inner stator iron core are coaxially arranged; the outer stator is composed of an outer stator iron core and a multi-phase armature winding embedded in a tooth groove of the outer stator iron core. The inner stator iron core is composed of an even-number-pole iron core salient pole and a pole shoe, and an air gap is formed between the two; the low-temperature container can be of an open structure or a closed structure, and can be flexibly selected according to different test requirements; symmetrical alternating current is introduced into the multi-phase armature winding of the outer stator to simulate the background magnetic field environment of the superconducting coil in motor operation, effective verification and quantitative analysis of the quench characteristic and the electromagnetic performance of the superconducting coil are realized, related tests can be completed without manufacturing a prototype, the experiment cost is remarkably reduced, and the safety and the reliability are improved.
Owner:NANTONG MARINE ADVANCED RESEARCH INSTITUTE SOUTHEAST UNIVERSITY

A motor push-pull test device

The present application relates to the technical field of motor testing, in particular to a motor push-pull testing device, when tension testing is needed, a first tooling and a support tooling, a valve electric cylinder and a weight sensor are cooperated to realize tension testing of the motor to be tested, when thrust testing is needed, a second tooling and a support tooling, a valve electric cylinder and a weight sensor are cooperated to realize thrust testing of the motor to be tested, the comprehensive testing of the tension and thrust of the stepping motor is realized, and more comprehensive and reliable data support is provided for performance evaluation and application selection of the stepping motor; further, the motor push-pull testing device of the present application can quickly convert the tension and thrust testing by replacing the first tooling and the second tooling, the system error introduced by replacing the testing equipment is reduced, the consistency of the testing conditions is ensured, the accuracy of the testing results is improved, the equipment cost is saved, and the cost of the motor testing is reduced.
Owner:CHENGDU JINSHILI TECH CO LTD

New energy automobile motor testing device

The invention belongs to the technical field of motor testing, and discloses a new energy automobile motor testing device which comprises a detection plate, rotating rods are symmetrically installed on the two sides, close to the bottom, of the detection plate, side plates are arranged on the sides, away from the detection plate, of the rotating rods, and penetrating holes are symmetrically formed in the side walls, close to the two ends, of the side plates. According to the invention, a double-end hydraulic cylinder, an inclined insertion plate, a detection plate and the like are arranged, after installation of the motor is completed, the double-end hydraulic cylinder drives the inclined insertion plate through a connecting plate to extrude the detection plate from one side, so that the detection plate slides on the bottom plate; the rotating rod on one side is connected with the rotating shaft in an embedded mode, along with continuous extrusion of the inclined inserting plate, the detection plate rotates between the two side plates, then the inclination angle of the motor is adjusted, the motor is matched with a twin-trawling motor to simulate the inclination effect when an automobile goes up and down a slope, and the detection accuracy is improved.
Owner:JIAN COLLEGE

A push rod motor life test device

The utility model relates to the field of push rod motor test, put forward a kind of push rod motor life test equipment, including base, the top of base is fixedly connected with support, the top of base is fixedly connected with recessed plate, the inner wall bottom top of recessed plate is fixedly connected with spring, the utility model drives first clamping plate, second clamping plate, third clamping plate, fourth clamping plate, threaded rod, threaded block, fixed plate, limit rod, connecting plate, recessed block etc. Assembly mutual cooperation by the driving force of motor, realizes the motor that starts to penetrate in hollow plate positive side, to drive the threaded rod rotation fixed in output shaft, threaded rod rotation drives the linear motion of threaded block in the circumference of limit rod in the circumference, in the detection process to push rod motor, prevent push rod motor from happening to shake, avoid the damage to staff and detection equipment, and simultaneously can detect multi-rod push rod motor.
Owner:HUIZHOU BOSHENG MOTOR CO LTD

New energy automobile motor test equipment

The embodiment of the invention provides new energy automobile motor test equipment, and relates to the technical field of motor test. New energy automobile motor test equipment comprises a butt joint seat and an oil tank oppositely arranged on one side of the butt joint seat, a rotating hole is formed in the circle center of the butt joint seat in a penetrating mode, the output end of a test motor used for testing is arranged in the rotating hole, and a rotating frame is further fixed to the inner ring wall of the rotating hole. Wherein one end of the second rotating shaft is connected with the output end of the test motor, meanwhile, a first rotating shaft is further arranged in the oil tank, blades with adjustable angles are further arranged on the peripheral face of the first rotating shaft, and in the load test, the blades with the initial angle being zero are driven by the first rotating shaft to rotate in oil. Then, the electric push rod pushes the ejector rod to move the movable sleeve, and the angles of the blades are gradually changed. With the increase of the blade angle, the rotation resistance in the oil liquid is correspondingly increased, so that the rotation speed of the first rotation shaft is changed, and the test of different load conditions is realized.
Owner:CHANGZHOU INST OF MECHATRONIC TECH

Lubricating grease torque testing device

The utility model provides a lubricating grease torque testing device. The lubricating grease torque testing device comprises a testing box body, a bearing seat, a lifting device, a force measuring rope and a rotating motor, the testing box body is used for providing a low-temperature environment required by testing in the testing box body; the bearing seat is positioned in the test box body and is connected with an auxiliary shaft; the lifting device is placed in the test box body, and the lifting device is used for bearing the bearing seat in a lifting manner; the force measuring rope is arranged in the test box body, the upper end of the force measuring rope is connected to the top wall of the test box body, and the lower end of the force measuring rope is used for connecting a bearing seat; the rotating motor is located outside the testing box body and connected with a main shaft, the main shaft partially penetrates through the testing box body and is detachably connected to the auxiliary shaft, and the rotating motor drives the bearing seat through the main shaft and the auxiliary shaft which are connected.
Owner:CHINA PETROLEUM & CHEMICAL CORP +2

High-speed bearing friction torque detection device

The utility model discloses a high-speed bearing friction torque detection device, which comprises a test base, an ejection mechanism, a test upper seat and a driving motor, the test upper seat is positioned right above the test base, the top of the test upper seat is fixedly connected with the driving motor, the lower surface of the test upper seat is provided with a blocking cover, the center of the test upper seat is provided with a press-fit seat, and the press-fit seat is fixedly connected with the push-out mechanism. The upper end of the test base is fixedly connected with a concave cavity, the center of the concave cavity is provided with an ejection mechanism in telescopic connection, the ejection mechanism comprises a guide rod, an ejection spring and a buckling seat, the buckling seat is fixedly connected to the top of the guide rod, the surface of the buckling seat is provided with a buckling step, and the joint of the guide rod and the test base is provided with a guide hole; the guide rod is embedded in the guide hole and is in sliding connection with the guide hole, and the bottom of the test base is fixedly connected with a torque sensor. According to the utility model, the center of the test base is provided with the ejection mechanism which can stretch up and down, so that the bearing can be conveniently ejected out of the concave cavity, and the convenience of detection operation is improved.
Owner:NANJING BEARING

Automatic motor testing device

The utility model discloses an automatic testing device for a motor, and the device comprises a fixing mechanism which is used for fixing a to-be-tested motor; the testing mechanism is used for testing performance parameters of the to-be-tested motor, and the testing mechanism comprises a plurality of sensors and is used for detecting operation parameters of the to-be-tested motor; and the upper computer is used for controlling the test process and recording test data. According to the automatic testing device for the motor, the fixing mechanism, the testing mechanism and the upper computer are integrated, so that comprehensive detection of the performance of the motor can be efficiently and automatically completed. Compared with a traditional manual test method, the device greatly reduces man-made interference in the test process, and improves the accuracy and consistency of test results.
Owner:ZEUS (SHENZHEN) TECH CO LTD

Generator test platform

The invention relates to the technical field of generator testing, and discloses a generator testing platform which comprises a testing platform body, a generator to be tested is detachably installed on the top of the testing platform body, and a frequency converter adjusting motor and the generator to be tested are covered with a protection assembly. A lifting assembly used for driving the protection assembly to ascend and descend is arranged above the protection assembly. A downward pressing lug plate is fixed to the side portion of the protective cover, and a control button is arranged above the downward pressing lug plate. According to the invention, by arranging the liftable closed protective cover, the generator to be tested and the frequency converter adjusting motor can be covered during testing, so that the problem of personal injury or equipment damage easily caused by the risk of breakage and splashing of the transmission belt is avoided; and hard safety interlocking that equipment cannot be started when protection is not in place is realized through a downward pressing lug plate and a control button, so that the physical injury risk of a rotating part to an operator is thoroughly eliminated, and the safety standard of modern machinery is met.
Owner:SCHARF MINING MACHINERY XUZHOU

Multifunctional test fixture for motor

The invention relates to the technical field of motor testing, in particular to a multifunctional testing jig for a motor, which comprises a locked-rotor life testing assembly, the locked-rotor life testing assembly comprises a second connecting piece, a third connecting piece and a clamping piece, the second connecting piece comprises a rotating rod, and an output shaft of a detection motor is coaxially connected with the rotating rod. The third connecting piece comprises a second mounting plate, the clamping piece comprises a gear and a clamping source used for clamping the gear, the gear is coaxially connected to the rotating rod, and the torsion load assembly is connected with the rotating rod; the axial load assembly comprises a driving part and a force application part, the force application part comprises a force application plate, the force application plate is parallel to the jig bottom plate, the force application plate is located between the second mounting plate and the jig bottom plate, and the driving part drives the force application plate to move towards the side close to or away from the jig bottom plate; the adjusting piece comprises a wedging rod coaxially connected with the rotating rod, and the top of the wedging rod is coaxially connected with a top shaft in contact with a shaft of the detection motor; the method and the device have the effect of improving low test efficiency.
Owner:CHANGZHOU BOYAN TECH CO LTD

Motor test bench

The utility model discloses a motor testboard which comprises a motor testboard body, a multi-station rotation adjusting table is arranged above the motor testboard body, a motor positioning seat is arranged above the multi-station rotation adjusting table, a mounting bottom plate is arranged at the bottom of the motor positioning seat, a clamping piece is arranged on the inner wall of the motor positioning seat, and the motor testboard body is provided with a clamping groove. Supporting frames are arranged on the two sides of the lower portion of the motor testing table body, a rack is arranged at the rear end of the motor testing table body, a testing assembly is arranged on the upper portion of the interior of the rack, a testing connector is arranged at the bottom end of the testing assembly, an air cylinder is arranged on the top of the rack, and balance moving plates are arranged on the two sides of the testing assembly. The four motor positioning seats are arranged above the multi-station rotary adjusting table, the positions of the motor positioning seats can be easily replaced in a rotary mode, a plurality of motor positioning seats can be arranged, the space of each inch can be utilized to the maximum extent in a limited space, and the occupied space is saved.
Owner:XINAN JIANGSU ELECTRIC APPLIANCE CO LTD

Method for verifying the endurance of an electric machine and related apparatus

The application discloses a kind of verification motor endurance test method and related equipment, it is related to vehicle motor test field, mainly to solve the lack of a more simple and real verification motor endurance method problem.The method comprises: based on the kind of target electric drive determines the high-low temperature drive endurance test parameter of target electric drive;Based on the high-low temperature drive endurance test parameter of the target electric drive determines the self-heating endurance test parameter in the self-heating process of target motor, wherein the self-heating process is the process that target motor is battery self-heating;In the process of carrying out high-low temperature drive endurance test to the target electric drive by the high-low temperature drive endurance test parameter, based on the self-heating endurance test parameter simultaneously carries out self-heating endurance test to the target motor.The application is used for verifying the test process of motor endurance.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Micromotor detection test bench

The utility model relates to the technical field of detection test stands, and discloses a micromotor detection test stand comprising a pedestal, one side of the upper end of the pedestal is provided with a first servo motor, the output end of the first servo motor is sleeved with a gear, one side of the gear is engaged with a gear ring, the outer wall of the gear ring is fixedly connected with a rotating disc, and the rotating disc is fixedly connected with a rotating shaft. And second servo motors are uniformly arranged in the rotating disc at intervals. According to the utility model, when the test bed is used, a first servo motor is arranged to drive a gear to drive a gear ring to rotate, so that a rotating disc can rotate, and a second servo motor is arranged to drive a supporting disc to rotate, so that a placing plate can move; therefore, a worker can complete the installation of the micromotors on the plurality of placing plates at a fixed position, the operation convenience is greatly improved, the labor intensity and the operation complexity are reduced, the installation process is accelerated, and the working efficiency is improved.
Owner:TIANJIN FEIGE VEHICLE IND CO LTD

Load loading and unloading method and system for simulating electric load for aircraft generator test

The invention relates to a loading and unloading method and system of an analog electric load for aircraft generator testing. The method comprises the steps that a, the output voltage and the output current of a generator are collected through a voltage sensor and a current sensor, so that the average output power of the generator within the preset duration before the current moment is obtained, and the preset duration is smaller than the overload protection time of the generator; b, comparing the target output power with the average output power to obtain a power difference value needing to be loaded or unloaded; c, under the condition that loading is needed, a proper simulation electric load is selected from the simulation electric loads which are not loaded to be loaded based on the power difference value to be loaded, and under the condition that unloading is needed, a proper simulation electric load is selected from the loaded simulation electric loads to be unloaded based on the power difference value to be unloaded. The average output power is equal to the target output power after loading or unloading is completed; and d, repeating the steps a-c before receiving a test termination instruction for the target output power.
Owner:COMMERCIAL AIRCRAFT CORP OF CHINA LTD +1

A background magnetic field simulation and testing device for superconducting coil quench detection and electromagnetic characteristic analysis of an electric machine

The application belongs to the technical field of superconducting motor testing, and more particularly relates to a background magnetic field simulation and testing device for superconducting coil quench detection and electromagnetic characteristic analysis of a motor. The device comprises coaxially arranged outer and inner stator cores, an open or closed cryogenic container with a built-in superconducting coil device, and a device support; the outer stator is composed of an outer stator core and multiphase armature windings embedded in the tooth slots of the outer stator core; the inner stator core is composed of an even-pole core salient pole and a pole shoe, and an air gap is formed between the two; the cryogenic container can be of an open structure or a closed structure, and can be flexibly selected according to different testing requirements; by passing a symmetric alternating current into the multiphase armature windings of the outer stator, the background magnetic field environment of the superconducting coil in the motor operation is simulated, effective verification and quantitative analysis of the superconducting coil quench characteristics and electromagnetic performance are realized, the related tests can be completed without manufacturing a prototype, and the experimental cost is significantly reduced, and the safety and reliability are improved.
Owner:NANTONG MARINE ADVANCED RESEARCH INSTITUTE SOUTHEAST UNIVERSITY

A motor automatic debugging method and system

The application relates to the technical field of servo motor testing, in particular to a motor automatic debugging method and system. The method comprises the following steps: receiving a mode test instruction, entering a debugging mode of a servo motor, executing a correction mode, running the servo motor to a first preset speed, and correcting an encoder of the servo motor; executing a zero adjustment mode, running the servo motor to a second preset speed, finding a zero point, and storing the zero point in the encoder; executing a running test mode, running the servo motor at a rated speed to detect whether a target current of the servo motor at the rated speed is within a preset current range; when the target current is within the preset current range, executing a parameter writing mode instruction, and writing motor parameters corresponding to the servo motor into the encoder; writing the motor parameters into a servo driver, and completing debugging, wherein the servo server corresponds to the servo motor.
Owner:SHENZHEN DVS MECHATRONICS CO LTD

A test tool for a motor of a new energy vehicle

This invention discloses a testing fixture for new energy vehicle motors, relating to the field of motor testing equipment technology. It includes a frame, a pre-fixing device mounted on the frame for pre-clamping the drive motor under test, a centering and clamping device mounted on the frame for centering and securely clamping the drive motor under test, a dynamic torque sensor for measuring the performance of the drive motor under test, and a load device for providing load to the drive shaft. One end of the drive shaft is connected to the output shaft of the drive motor under test, and the other end is connected to the input end of the load device. This invention achieves compatibility between two mainstream new energy vehicle motor forms in a single workstation by integrating a disc motor clamp and a radial flux motor clamp on the same lifting slide, combined with a sliding positioning base design. The combination of airbags and rubber pads achieves flexible and non-destructive secure clamping of the motor.
Owner:NANJING COMM INST OF TECH

Motor test system based on sliding frame and guide plate

The invention discloses a motor testing system based on a sliding frame and a guide plate, and relates to the field of motor testing. The test rack module is welded by a Q235B steel plate and is fixed by an expansion bolt; the sliding frame module is composed of a sliding base, a connecting beam and a supporting platform and is connected with a spring for buffering. The guide plate module comprises symmetrical guide plates which are finely adjusted through a sliding block and an adjusting assembly. The motor fixing module comprises an L-shaped baffle, a spring and a clamping bolt, and a built-in pressure sensor is used for measuring clamping force; an output shaft of the test driving module is connected with a torque sensor and a tested motor, and is provided with a controller and an acquisition module; the data acquisition module synchronously acquires multiple parameters, and a report is generated through a touch screen display, storage and software setting process; the buffering and damping module reduces noise and vibration and corrects the level through a gasket, a foot pad and a sizing block, and stable operation of the device is guaranteed. The method is fast adaptive to multi-model motor testing, optimizes the traditional technology, improves the detection efficiency and accuracy, guarantees the testing stability and reliability, and meets the batch testing requirements.
Owner:ANHUI POLYTECHNIC UNIV

Independent loading detection device for centrifuge differential

The application discloses an independent loading detection device of centrifuge differential mechanism, which comprises a base, a driven motor, a rotating motor, test differential mechanisms, a rotating shaft, a loading shaft, a loading motor and a supporting bearing, the driven motor, the rotating motor and the loading motor are installed on the base, the driven motor drives the test differential mechanism at the near end, the rotating motor also drives the test differential mechanism at the near end through a belt transmission, the output end of the test differential mechanism is the loading shaft, the other end of the loading shaft is connected with the test differential mechanism at the far end, the test differential mechanism at the far end is loaded by the loading motor, the rotating shaft is connected between the two test differential mechanisms, the rotating shaft is installed on the supporting bearing at both ends, and the supporting bearing is installed on the base. The two differential mechanisms of the same type are used as the load of each other, compared with the traditional open test, the installed power of the main motor is greatly reduced, the energy is recycled internally, and energy saving and high efficiency are achieved.
Owner:JUNENG MACHINERY CHINA