Sensor for measuring relative rotating speed of two concentric rotating shafts of double-rotor motor
The invention discloses a sensor for measuring relative rotating speed of two concentric rotating shafts of a double-rotor motor, belongs to the field of speed measuring sensors, and aims to solve the problem that the prior sensor cannot directly measure the rotating speed difference of a double-rot...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
30.09.2009
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a sensor for measuring relative rotating speed of two concentric rotating shafts of a double-rotor motor, belongs to the field of speed measuring sensors, and aims to solve the problem that the prior sensor cannot directly measure the rotating speed difference of a double-rotor structure of a motor system. The sensor consists of a reluctance type rotary transformer, a signal transmission device and a signal processor; the reluctance type rotary transformer consists of an outer rotary change rotor, an inner rotary change rotor, an exciting winding, a sine winding and a cosine winding; one of the outer rotary change rotor and the inner rotary change rotor is provided with even teeth, the other rotor has a winding-free laminated salient pole structure, and each tooth is intertwined with the exciting winding, the sine winding and the cosine winding in the same distribution; two ends of winds of the exciting winding, the sine winding and the cosine winding are connected with the signal tran |
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Bibliography: | Application Number: CN2009171977 |