Device and method for dynamic testing of contact pressure of contact terminal of alternating-current contactor
A technology of AC contactor and contact pressure, applied in the direction of measuring device, force/torque/power measuring instrument, instrument, etc., can solve the problem of not being able to accurately obtain the dynamic signal of the contact pressure of the contactor of the AC contactor, and achieve a good man-machine The effect of interactive operation interface, high precision and wide range of force measurement
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[0044] Example: (Specific description in conjunction with the drawings):
[0045] The composition of the AC contactor contact pressure dynamic test device of the present invention is as follows figure 1 As shown, it is divided into upper computer and lower computer; the upper computer is an industrial computer (6), and the lower computer includes: contact contact pressure sensor (2), charge amplifier (3), signal conditioning circuit (4), high-speed data acquisition card (5), closing phase angle controller (7); AC contactor (1) is the test sample.
[0046] The connection method is: the contact pressure sensor (2) is glued to the contactor sample (1), the signal output end of the contact pressure sensor (2) is connected to the charge amplifier (3) through the shielded wire; the charge amplifier ( 3) The output terminal is connected to the signal conditioning circuit (4) through a shielded wire; the output terminal of the signal conditioning circuit (4) is connected to the high-speed ...
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