Double-power speed control circuit for fans

Double-power speed control circuit for fans

  • CN 201,461,500 U
  • Filed: 08/21/2009
  • Issued: 05/12/2010
  • Est. Priority Date: 08/21/2009
  • Status: Active Grant
First Claim
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1. a double-power source fan speed controllable circuit is characterized in that:

  • comprising;

    a supply side, a ground connection side, a control unit, a fan loop circuit unit;

    Wherein, described supply side comprises a control unit power supply source and a fan loop power supply source, described control unit power supply source separates mutually with the circuit of fan loop power supply source, described control unit power supply source connects described control unit, and described fan loop power supply source connects described fan loop circuit unit.

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