Magnetic ring test system and method
A testing system and testing method technology, applied in the measurement of magnetic properties, the size/direction of the magnetic field, the measurement device and other directions, can solve the problems of low detection efficiency, difficult batch detection, inaccurate measurement data, etc., to shorten the time, improve The effect of testing efficiency
Inactive Publication Date: 2011-10-12
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Problems solved by technology
[0003] However, when using these devices for magnetic ring detection, the user must manually rotate the object under test
Therefore, not only will the measurement data be inaccurate due to the different force applied each time by the user, but also the user will be fatigued after turning the object to be tested for a period of time, the detection efficiency is low, and it is difficult to realize batch detection
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[0027] Such as figure 1 Shown is a structural block diagram of a preferred embodiment of the magnetic ring testing system of the present invention. The magnetic ring test system 40 includes an operation panel 200 , a control card 210 , a servo motor driver 220 , a servo motor 230 , a test fixture 240 , a fan coil 250 , an oscilloscope 260 , an industrial computer 212 , a solenoid valve 214 and a cylinder 216 . The fan coil 250 is connected with the test fixture 240, the oscilloscope 260 and the cylinder 216, the servo motor 230 is connected with the test fixture 240 and the servo motor driver 220, and the control card 210 is connected with the operation panel 200, the servo motor driver 220, The solenoid valve 214 is connected to the industrial computer 212 . The solenoid valve 214 is connected with the cylinder 216 .
[0028] Wherein, the industrial computer 212 is used to set the test parameters of the magnetic ring. The test parameters include: a standard test curve of t...
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The invention relates to a magnetic ring test method which comprises the following steps of: starting an industrial control computer and setting test parameters of a magnetic ring; placing the magnetic ring and starting a test; electrifying an electromagnetic valve through a control card so that a cylinder moves downwards to drive a fan coil to move downwards and the fan coil drops into the magnetic ring, and controlling a servo motor to rotate by a servo motor driver to further drive the magnetic ring to rotate; acquiring a waveform of the fan coil, generated in the rotating magnetic ring, through an oscilloscope, and transmitting the waveform to the industrial control computer; and generating a test curve through the industrial control computer according the waveform acquired by the oscilloscope and outputting the test curve to a display. The invention also provides a magnetic ring test system. By utilizing the magnetic ring test method and system disclosed by the invention, the waveform of the coil, generated in the rotating magnetic ring, can be automatically acquired, and the test curve can be generated according to the acquired waveform.
Description
technical field [0001] The invention relates to a test system and method, in particular to a magnetic ring test system and method. Background technique [0002] Most existing devices for detecting magnetic rings manually rotate the object to be tested to achieve the function of detecting magnetic rings, and display the detected data on a display screen. [0003] However, when these devices are used to detect the magnetic ring, the user must manually rotate the object to be tested. Therefore, not only will the measurement data be inaccurate due to the different force applied each time by the user, but also the user will be fatigued after turning the object to be tested for a period of time, the detection efficiency is low, and it is difficult to realize batch detection. Contents of the invention [0004] In view of the above, it is necessary to provide a magnetic ring test system, which can automatically acquire the waveform generated by the coil in the rotating magnetic r...
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IPC IPC(8): G01R33/02G01R33/12G01R15/00
Inventor 黄登聪余国俊徐华勇龙丰
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD