Method for the detection of errors in pump units

Method for the detection of errors in pump units

  • CN 101,636,589 A
  • Filed: 02/23/2008
  • Published: 01/27/2010
  • Est. Priority Date: 03/23/2007
  • Status: Active Application
First Claim
Patent Images

1. one kind is used for detecting and has the pump assembly of electric motor (23) or the method for the fault in the electric motor (23), and this electric motor has at least one rotating shaft, it is characterized in that:

  • Gather oscillating signal;

    The oscillating signal of being gathered is handled, eliminated of the influence of the current rotating speed of described axle oscillating signal;

    From the oscillating signal of handling, filter out periodic signal, and, especially discern the fault that may exist according to the described periodic signal identification running state relevant with vibration.

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