FIELD: force-measuring equipment.
SUBSTANCE: device contains a magnetoelastic sensor installed with a gap relative to the axle, a phase shifter, an alternating current source, a summator, a band-pass filter, a rectifier, and a measuring instrument. The output of the alternating current source is connected to the sensor excitation winding and the phase shifter input. One input of the summator is connected to the sensor output, the other input is connected to the phase shifter output, and the output of the summator is connected to a low-frequency smoothing filter and the measuring instrument through the band-pass filter and the rectifier connected in series. The sensor is designed as linear/ring-type and consists of sections symmetrically installed on the axle circumferentially. Each sensor section consists of transformer magnetoelastic transducers installed along the axle line and connected in series.
EFFECT: increased noise immunity of device.
1 dwg
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