Microprocessor controlled single phase motor with external rotor having integral fan

Microprocessor controlled single phase motor with external rotor having integral fan

  • CN 1,297,606 A
  • Filed: 03/27/2000
  • Published: 05/30/2001
  • Est. Priority Date: 03/25/1999
  • Status: Abandoned Application
First Claim
Patent Images

1. one kind by the DC power supply drive electric motor, comprising:

  • One has the stator of a single-phase winding;

    One power switch circuit has the mains switch of selectively DC power supply being received this single-phase winding;

    A described relatively stator is magnetic-coupled permanent magnet rotor;

    One position transducer on said stator, be used for the described rotor of perception the position and the position signalling of the position that expression detects is provided;

    AndA control circuit that comprises a microprocessor can respond to described position signalling, and be connected to above-mentioned power switch circuit, and being used for above rheme, to put signal be function, and the mains switch that selectively commutates is with to this single-phase winding commutation.

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