On-line automatic magnetization detection method and device

Abstract

The invention discloses an on-line automatic magnetization detection device and method, which are used for part processing of permanent magnets of permanent magnet motors. A magnetization station and a detection station are arranged on a workbench, and the magnetization station is set for charging The coil body of the magnetic device for magnetization and magnetic flux detection, the detection station is equipped with a multi-channel surface magnetic detection probe; the magnetic flux detection is combined with the overall magnetization coil, and the magnetic flux detection is automatically performed after magnetization to realize the combination of the stations. It can shorten the inspection time; simplify the worker's operation and improve the production efficiency.

Description

technical field [0001] The invention relates to the field of production equipment for permanent magnet parts (rotors or stators) of permanent magnet motors, in particular to an online automatic overall magnetization detection method and device for magnetization devices. Background technique [0002] In the past, the production inspection of permanent magnet motors was mostly to inspect the performance of the motor after the whole machine was assembled. Once a defect was found, it basically had to be scrapped. For high-power permanent magnet motors (for example, greater than 10KW), once the whole machine is found to be defective, the cost loss will be very large. In addition, with the promotion of electric vehicles, the corresponding high-power permanent magnet motors are more and more widely used, especially the application of the main drive motor, which requires higher motor performance and more testing items. Almost every process requires relevant testing items and record...

AI Technical Summary

Problems solved by technology

[0003] Take the rotor as an example: the existing method is to install the magnetic steel filled with magnetism on the rotor, put the rotor into the station where the magnetic flux detection coil is installed, and carry out the magnetic flux detection through the entry and exit of the rotor; The station of the magnetic detector is used to detect the surface magnetism through the rotation of the rotor. Each station is manually operated, judged and recorded manually, which is time-consuming, labor-intensive, and error-prone.

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