An AC contactor contact pressure dynamic testing device and testing method thereof
An AC contactor, contact pressure technology, applied in measuring devices, force/torque/work measuring instruments, instruments, etc., can solve the problem of inability to accurately obtain the dynamic signal of the contact pressure of the AC contactor, and achieve a good human-machine Interactive operation interface, wide range of force measurement, high precision effect
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[0044] Embodiment: (detailed in conjunction with accompanying drawing):
[0045] The composition of AC contactor contact pressure dynamic testing 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 contact pressure sensor (2) is bonded to the contactor test object (1), the signal output end of the contact contact pressure sensor (2) is connected to the charge amplifier (3) through the shielded wire; the charge amplifier ( The output end of 3) is connected to the signal conditioning circuit (4) through a shielded wire; the output end of the signal conditioning circuit (4) is connecte...
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