54 results about "Motor testing" patented technology

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.

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.

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.

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.

This invention provides a testing device and method for permanent magnet synchronous linear motors, relating to the field of magnetic variable measurement technology. The device includes a housing with a detection mechanism inside. The detection mechanism comprises a first rotating rod and a rotating disk. A rotating plate and a push rod are fixedly connected to the outer surface of the first rotating rod. A locking block is fixedly connected to the outer surface of the rotating plate. A locking groove is formed on the outer surface of the rotating disk. The locking block is slidably connected to the locking groove. This invention's unique multi-angle rotation design allows for multi-dimensional magnetic field data acquisition from irregularly shaped rotors. Analysis of the data allows for precise positioning of the magnetic shaft, ensuring high accuracy and strong adaptability in testing. Furthermore, the automated operation through mechanical linkage significantly improves testing efficiency, realizing the advantage of integrating multi-dimensional detection functions into a single device. This effectively reduces equipment investment and operational complexity, and has significant practical value for performance testing of permanent magnet synchronous linear motors, especially those with irregularly shaped rotors.

This application relates to the field of motor testing technology, specifically a motor appearance rotation inspection method. It includes a transport assembly with a frame already mounted on it. The transport assembly has a transport tray for placing the motor to be inspected. An ejection mechanism for ejecting the transport tray is located at the bottom of the frame. Multiple horizontal CCD cameras are mounted on the frame, and a vertical pole is fixedly mounted at the top of the frame. A vertical CCD camera is fixedly mounted on the top of the pole, with the imaging end of the CCD camera facing downwards. In this application, during inspection, the motor to be inspected is transported to the middle of the frame via the transport assembly, then ejected by the ejection mechanism. A 12MP CCD camera at the top of the frame then takes a photograph of the top of the product for inspection. Simultaneously, three 6MP CCD cameras are horizontally mounted on the side, taking rotating images to perform a 360° comprehensive inspection of the product's side profile, allowing for simultaneous inspection from multiple sides.

The application discloses a motor testing method and a motor. The method comprises the following steps: in the process of operating a current loop of the motor based on an initial current control signal, if a current loop test instruction of the motor is received, the motor is controlled to be in a static state; after the motor is in the static state, the initial current control signal is adjusted based on a preset bias parameter to obtain a target current control signal; the current loop is operated based on the target current control signal, and a feedback signal of the current loop to the target current control signal is collected; and the current loop is tested based on the feedback signal to obtain a test result. The application solves the technical problem of low current loop test accuracy of the motor in the related art.

This utility model provides a motor performance testing device, relating to the field of testing fixtures. The device includes a base, a gantry frame, a spray assembly, a load testing assembly, and an adjustment assembly. The spray assembly is mounted on the gantry frame. The load testing assembly includes a fixed support ring and multiple rotating discs. The adjustment assembly includes a moving block, a lead screw, and a drive component. The drive component is connected to the lead screw, and the moving block is connected to the fixed support ring. The moving block is also fitted onto the lead screw and can move along it. When a waterproof test is required on the motor under test, the spray assembly sprays water onto the motor to test its waterproof performance. When a load performance test is required, different numbers of rotating discs are connected to the output shaft of the motor under test. This testing device can simultaneously perform waterproof and load performance tests, solving the problem of frequent site changes and disassembly / reassembly required for current motor testing. Furthermore, the performance test results are closer to the actual operating conditions.

The application provides a kind of driving motor test board, including: shell, rack, motor controller suitable for connecting with motor to be measured, display screen and computer host;Cavity is provided in shell, rack is arranged in the cavity of shell, and is suitable for supporting shell;First mounting plate is provided in the cavity of shell, and first mounting plate and the bottom plate of shell are arranged parallel to each other;Computer host is arranged on first mounting plate, and motor controller is arranged on bottom plate;Two terminal blocks are provided on the side wall of shell, one end of two terminal blocks is connected with three-phase aviation connection plug and rotary variable aviation connection plug of motor controller respectively, and the other end of two terminal blocks is suitable for electrically connecting with motor to be measured.The application only needs to be connected with motor to be measured through two terminal blocks when testing motor to be measured, without complicated preparation work, and the efficiency of motor test can be effectively improved.

The utility model belongs to test tool technical field discloses a general tool for wheel hub motor test, including the inner spline pipe for and wheel hub motor's output end connection, the adapter holder for and wheel hub motor's fixed end connection, the seat board for and test bench machine body connection, the inner spline pipe is connected with outer spline shaft, and outer spline shaft is used for and test bench's power test mouth connection, the adapter holder is connected outer protective housing away from wheel hub motor one end, the seat board connects a plurality of pin for positioning, and outer protective housing and pin cooperate and position, and outer protective housing is connected with seat board. The utility model possesses general property, can be adapted to different models wheel hub motor, satisfies the test demand of different wheel hub motor, has improved test efficiency, and has reduced test cost, has shortened test development period.

The utility model discloses an embodiment relates to motor technical field, especially disclose a test fixture for testing motor under test, and test fixture includes dynamometer, fixed part, support and axle seat, and the utility model discloses an embodiment can avoid replacing whole test fixture.

The utility model provides a kind of servo valve motor test fixture, belong to motor test technical field, including fixed base, installation support being set on fixed base, guide rail being set on installation support, slider being set on guide rail, installation seat being set on slider;The slider can be moved along the length direction of guide rail, locking mechanism is provided on slider, and locking mechanism is used to lock the relative position of slider and guide rail;Motor mounting seat, circuit board mounting seat are respectively provided with the installation position for fixing motor stator, circuit board;The relative distance of magnetic angle encoder on circuit board and motor magnetic field can be adjusted by adjusting the position of circuit board installation slider, circuit board installation slider on guide rail;Utilize such a kind of servo valve motor test fixture, support frameless motor operation real-time adjustment magnetic angle encoder and magnetic field spacing, to improve debugging efficiency, guarantee dynamic accuracy and reduce maintenance cost.

This utility model relates to the field of circuit board testing, specifically a testing device for the production of intelligent control circuit boards for vacuum cleaner motors. It includes: a support mechanism comprising a support portion and a vibrating portion mounted on the support portion; a fixing mechanism comprising a moving portion mounted on the vibrating portion and two fixing portions mounted on the vibrating portion; and several testing mechanisms, each comprising a testing portion mounted on the support portion and an adapter portion located at the lower end of the testing portion. This testing device for intelligent control circuit boards for vacuum cleaner motors uses a horizontal plate to support the circuit board body. A first motor is activated to clamp the circuit board body between two vertical plates. A first screw is rotated to make the moving plate fit against the circuit board body. The vibration motor is then activated to vibrate the circuit board body, testing its stability under prolonged vibration. The adapter block's cavity covers the solder joints. A telescopic rod is extended to make an electromagnet fit against an iron plate. The electromagnet is activated to firmly adhere to the iron plate. The vibration motor is then activated to test the firmness of the solder joints under prolonged vibration.

The utility model provides a kind of push rod motor test rack, it is related to push rod motor test technical field, comprising: main support, lifting frame, guide rail assembly and stroke driving component;Wherein, main support includes underframe and the support frame of being arranged on underframe;Lifting frame includes the pivotal end of being rotatably connected with support frame, the load end for placing counterweight, and the stress end for being rotatably connected with the push rod of push rod motor, make lifting frame pivot around pivotal end under the action of push rod;Guide rail assembly includes the guide rail being set along the length direction of underframe, and the mounting plate for being slidably along guide rail, to install push rod motor;Stroke driving component is installed on underframe, its output end is connected with mounting plate, for driving mounting plate moves along guide rail and is locked in the position required, to adapt the stroke of different push rod motor. Like this, it has the advantages that different push rod motor stroke can be adapted, and adaptability is wide.

An automatic centering system for a motor testing platform includes a host, a movable base, a first laser sensor assembly and a second laser sensor assembly. The movable base includes a clamping device and a multi-axial movable seat. The clamping device is arranged on the multi-axial movable seat and is configured to detachably clamp the motor to be tested. The laser sensor assemblies are arranged on a reference surface of a front stand of the motor testing platform to provide position detection in a horizontal plane or a vertical plane for an axis located at a detection position, so as to obtain first offset information and second offset information of the axis for the host to control the multi-axial movable seat and locate the axis at a centered position. Thus, automatic centering can be achieved and be further applied to production lines.

This application discloses a motor test fixture for testing the electrical performance of the motor rotor and stator. The motor test fixture includes a base, a rotor support mechanism, a drive mechanism, and a stator support mechanism. The rotor support mechanism includes a first bracket, a second bracket, a first ejector pin, and a second ejector pin. The first and second brackets are spaced apart on the base along a first direction. The first ejector pin is rotatably mounted on the first bracket, and the second ejector pin is rotatably mounted on the second bracket. The stator support mechanism is movable on the base along the first direction, and the drive mechanism drives the stator support mechanism to move along the first direction. With this configuration, using the motor test fixture of this application, rapid assembly of the motor rotor and stator can be achieved, improving the testing efficiency of the motor's electrical performance.

This utility model mainly relates to the field of motor testing technology, specifically to a test bench for a new energy vehicle motor. The test bench includes a test bench body. A torque load, an extension platform, and a movable base plate are horizontally arranged sequentially on the top of the test bench body. A torque sensor is mounted on the extension platform. The output end of the torque sensor is connected to the rotating shaft of the torque load, and its input end is connected to the closed end of a linkage sleeve. An infrared positioning receiver is installed at the inner end of the linkage sleeve, and its inner wall has keyways extending axially and distributed circumferentially. A lifting cylinder corresponding to the infrared positioning receiver is mounted on the movable base plate. A motor mounting plate is fixed to the telescopic end of the lifting cylinder. The motor under test is fastened to the motor mounting plate. A linkage rod is connected to the output end of the motor under test. An infrared positioning transmitter matching the infrared positioning receiver is mounted at the end of the linkage rod, and its outer wall has circumferentially distributed key strips corresponding to the keyways.

This invention relates to the field of electromechanical instrument testing technology, specifically providing a testing unit for motor testing in high and low temperature environments. The unit includes a sealed cavity, and a data acquisition module and a temperature compensation module disposed within the sealed cavity. The data acquisition module acquires the motor's voltage, current, and speed. A temperature sensor measures the temperature within the sealed cavity and transmits the measured temperature to an operational amplifier with a preset temperature drift compensation algorithm. This algorithm compensates for errors in the data acquisition module when acquiring motor data at temperatures outside the rated operating temperature. A protective membrane is provided on the sealed cavity to balance the internal and external air pressure. A heating auxiliary component is provided within the sealed cavity; when the temperature within the sealed cavity is lower than a preset condensation temperature threshold, the heating auxiliary component heats the cavity; when the temperature within the sealed cavity is higher than the condensation temperature threshold, the heating auxiliary component does not heat the cavity. This invention achieves accurate unprotected motor testing in high and low temperature environments through heating the sealed cavity to prevent condensation and using a temperature drift compensation algorithm.

The utility model discloses a linear step motor testing equipment, including base, the base upper end welding has the fixed plate, the fixed plate one side wall installs linear step motor body, the output shaft of linear step motor body is connected with the screw rod, is equipped with the nut on the screw rod. Advantageous effect lies in: the utility model discloses through setting up tension meter, display screen, drawstring, plug -in slot and plug -in block, in the testing process, select the appropriate range's tension meter and insert the corresponding plug -in block into plug -in slot and realize the connection of tension meter and linkage lever, then the nut is through linkage lever and drawstring and applies external force to tension meter, and tension meter detects the value of external force and is directly displayed through display screen, since this tension can represent the thrust of linear step motor body, can make the device not to add the weight and can test the thrust of linear step motor body, effectively simplifies the testing step, improves the testing efficiency and testing effect, and the use effect is good.

This invention discloses a method, apparatus, storage medium, and vehicle for testing a motor. The method includes: in response to the motor being tested being off-line, monitoring the rotational position of the motor at multiple test points to determine the actual rotational deviation at each test point, wherein the actual rotational deviation is determined by a preset rotational deviation threshold and the actual rotational position; accumulating the actual rotational deviations at the multiple test points to obtain a total rotational deviation; and determining the rotational deviation detection result of the motor by judging whether the total rotational deviation meets a preset rotational deviation value, wherein the rotational deviation detection result is used to characterize whether the rotational deviation detection of the motor meets preset conditions. This invention solves the technical problem of low efficiency in motor testing in related technologies.

A test bench for evaluating the cooling system capability of an oil-cooled motor in a range extender belongs to the field of automotive motor testing technology. The motor under test is fixed to the test bench. Its oil inlet and outlet are connected to oil pipes via oil port fixtures and sealing rings. The oil pipes are connected to a plate heat exchanger, and temperature sensors and flow meters are installed on the pipes, all connected to a data acquisition box. A chiller unit is connected to the heat exchanger via water pipes, and a mechanical circulation pump is connected to the motor's internal oil circuit. The test first uses the original oil cooler for a temperature rise test, then replaces it with the test system to simulate the original cooling effect, and records the data. After sealing is checked, the water temperature is adjusted to match the original temperature rise trend, performance is evaluated, and suitable components are selected. This utility model, through a test bench system, achieves a quantitative evaluation of the cooling system capability of an oil-cooled motor in a range extender, improving testing efficiency, reducing development costs, accurately selecting suitable components, ensuring motor performance, and providing test data that closely matches actual application requirements, thus possessing significant technical value and practical significance.

This invention relates to the field of brushless motor testing technology, and discloses a brushless motor testing device and method, including a device body, a testing component, and an unlocking mechanism. The device body is connected to a support rod and two sets of mounting plates. Each mounting plate has a movable block, and both sets of movable blocks are connected to racks with meshing gears. Each set of movable blocks is connected to a testing component and a torque sensor. A sliding rod is mounted on the support rod, and unlocking mechanisms are installed at both ends of the sliding rod. A connecting component is provided between the unlocking mechanism and the testing base. Two wedge blocks are connected to the sliding rod, and a push rod is connected to the movable base. This invention achieves simultaneous testing on one side and material loading and positioning on the other side through dual-station cooperation. Relying on the linkage structure of the push rod, wedge blocks, sliding rod, and unlocking component, the circuit is automatically turned on after the motor under test is positioned, and the power connector is simultaneously unlocked and disconnected after testing, avoiding test failure due to missed connections.

The application relates to the technical field of motor testing, and specifically discloses a new energy automobile part intelligent testing method, which comprises the following steps: defining a plurality of fault types of a motor, and establishing fault combinations; collecting a first signal and extracting standard features; collecting a second signal and extracting judgment features; collecting a third signal and extracting real-time features; judging whether the motor is abnormal based on the real-time features and the standard features, and judging whether the motor is faulty based on the real-time features and the judgment features when the motor is abnormal; if the motor is faulty, the testing is ended; if the motor is not faulty, it is determined that the pretightening force is abnormal, and the bolt is retightened; after the bolt is retightened, it is judged whether there is a pretightening force dispersion risk. The application realizes intelligent identification of motor abnormalities and faults and bolt pretightening force state monitoring, and ensures that the testing process is stable and reliable.

The application relates to the technical field of motor testing, in particular to a durability testing device for a permanent magnet type stepping motor, which comprises a testing machine, a driving piece, a piece to be tested, an electrical sensor and a grounding wire, and is characterized in that the device further comprises an electrical measurement shielding shell, an electrical isolation signal transmission shaft, a fixing plate, a bidirectional cam, an electromagnetic isolation assembly, an electrical measurement signal transmission connecting assembly and an electromagnetic damping type current discharge assembly; the electrical measurement shielding shell is fixed in the interior of the testing machine; the device solves the problems of heat attenuation, electric corrosion and electromagnetic interference leading to distortion of testing results in the prior art durability testing of the permanent magnet type stepping motor in a cooperative mode of the electrical measurement shielding shell, the electrical isolation signal transmission shaft, the bidirectional cam, the electromagnetic isolation assembly, the electrical measurement signal transmission connecting assembly and the electromagnetic damping type current discharge assembly, and has the remarkable advantages of high precision, high reliability and long service life testing.

This application belongs to the field of motor testing technology and discloses a brushed motor rotor testing method and system. By acquiring the spatial position sampling data of the rotor shaft, the original surface contour signal and the original force detection signal in real time, and combining the determination of the instantaneous rotation axis, follow-up compensation processing and interference suppression processing, the influence of environmental factors and mechanical vibration on the test results can be effectively eliminated. Thus, the true geometric contour features and inherent centrifugal force feature signals of the rotor shaft can be accurately obtained, and the accurate determination of the centroid distribution data and the roundness of the rotor shaft of the brushed motor can be achieved, which significantly improves the testing accuracy and reliability.

The application discloses a bearing vibration abnormality monitoring method in motor load testing, and relates to the technical field of motor testing, comprising the following steps: obtaining a plurality of structure sampling positions having a mechanical connection relationship with a bearing installation position, determining a structure sampling position corresponding to the bearing installation position as a target bearing sampling position, and forming an incoming position sequence and a bearing outgoing position sequence; taking a target load switching time as a unified response starting point, dividing time sampling windows for vibration response data of each structure sampling position, setting window numbers and extracting window peak values. The application can position and compare vibration peak value changes at the target bearing sampling position in a mechanical connection path by obtaining a plurality of structure sampling positions having a mechanical connection relationship with the bearing installation position and forming the incoming position sequence and the bearing outgoing position sequence, and can investigate vibration responses transmitted in a mechanical connection direction of a load end and a mechanical connection direction of a mounting base.

This utility model discloses a testing device for a three-phase brushless DC motor, belonging to the field of motor testing technology. It includes a motor mounting base and a water tank. A generator is mounted on the top surface of the motor mounting base, and a motor is positioned above the generator. A coupling connects the generator and the motor. A heating tower fixing plate is installed inside the water tank. Three sets of heating towers are fixed to the top surface of the heating tower fixing plate. Each of the three sets of heating towers has a connecting rod mounted on its bottom surface, and these connecting rods penetrate the heating tower fixing plate. Resistance wires are wound around the outer sides of each of the three sets of connecting rods from top to bottom. The free ends of the three sets of resistance wires are interconnected. A motor output line connects the generator and the three sets of heating tower connecting rods. This technical solution can effectively perform long-term load testing on the motor, and the testing process is stable and efficient.

The application discloses a mine hoist direct-current main motor testing system and method, the system comprises a man-machine interaction module, a converter group and a controller. The man-machine interaction module generates an automatic test mode instruction. The controller executes an automatic test mode in response to the automatic test mode instruction, adjusts the output current of the converter group to the magnetic field to a preset current value, adjusts the output voltage of the converter group to the armature at a first preset slope to a first preset voltage value, controls the motor to run for a first preset time, then cuts off the output of the armature and the magnetic field, adjusts the output current of the converter group to the magnetic field to the preset current value after a second preset time, adjusts the output voltage of the converter group to the armature at a second preset slope to a second preset voltage value with opposite polarity, and controls the motor to run for the first preset time. The application realizes unattended automatic running-in of the large direct-current motor, shortens the running-in time, and improves safety and testing efficiency.