Scientific journal
Scientific Review. Technical science
ISSN 2500-0799
ПИ №ФС77-57440

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NONCONTACT SPEED SENSOR OF ROTORS SWINGING MOVEMENT AND FIELDS OF THE APPLICATION

Zagrivniy E.A. 1 Gubar N.S. 1 Poddubniy D.A. 1
1 National mineral-resources university «Mining»
For sampling from subglacial lake “Vostok” is assumed to use dynamically balanced drilling line with resonance electric drive of swinging movement. For realization of resonance modes a simple swinging movement speed sensor was developed. The sensor contains cylindrical body frame, magnet core with two ringed half-coils, salient pole rotor with constant magnets and slipping bearing. Salient – pole rotors sensor set on the motor shaft with combination of sensor and motor rotors longitudinal axes. Gap between stator and rotor is about 1 mm. Example of closed loop control system of auto resonance electric drive of swinging movement with speed sensor was shown.