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AUTOMATED FUNCTIONAL DIAGNOSIS

  • US 20140067135A1
  • Filed: 04/11/2012
  • Published: 03/06/2014
  • Est. Priority Date: 04/14/2011
  • Status: Active Grant
First Claim
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1. A method for automated functional monitoring of an HVAC (heating, ventilation and air-conditioning) system which comprisesa) a fluid flow duct,b) a fluid flow valve which is arranged in the fluid flow duct and has a valve body in the fluid flow duct and a valve motor which moves the valve body,c) a control circuit for actuating the valve motor,d) a sensor in the fluid flow duct, ande) an evaluation module for evaluating signals of the sensor,comprising the following steps:

  • f) predefining a first actuation signal to the valve motor by means of the control circuit, wherein the actuation signal corresponds to a first setpoint position of the valve body,g) registering a first signal of the sensor by means of the evaluation module, andh) determining a functional diagnosis of the fluid flow valve on the basis of the first signal of the sensor.

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