Apparatus and method for monitoring contaminations on discharge electrodes
AssigneeIllinois Tool Works Inc.
InventorsFranz KNOPF, Matthias HECHT
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Abstract
Disclosed example apparatus for monitoring contaminations on discharge electrodes (3, 4, 5, 6, 7, 8), having at least one emission peak (32) that serves for the touchless discharge of electrically charged surfaces include: an earth terminal (21) that is or can be connected to the discharge electrode (3, 4, 5, 6, 7, 8); and a control device (27) configured to: detect a partial current coupled from the at least one emission peak to the earth terminal; determine an active power based on the partial current (i1(t), i2(t), i3(t)); and generate a status signal based on the calculated active power (i1(t), i2(t), i3(t)).
Claims15
1-14. (canceled)
An apparatus for monitoring contaminations on discharge electrodes having at least one emission peak, which serves for the touchless discharge of electrically charged surfaces, wherein the apparatus comprises:
- an earth terminal that is or can be connected to the discharge electrode;
- a control device, wherein the control device is configured to:
- detect a partial current (i1(t), i2(t), i3(t)) coupled from the at least one emission peak to the earth terminal;
- determine an active power based on the partial current (i1(t), i2(t), i3(t));
- and
- generate a status signal based on the calculated active power (i1(t), i2(t), i3(t)).
A method for monitoring contaminations on discharge electrodes that serve for touchless discharge of electrically charged surfaces, wherein the discharge electrodes comprise at least one emission peak, and wherein the method comprises:
- detecting a partial current (i1(t), i2(t), i3(t)) coupled from the at least one emission peak to the ground connected to the discharge electrode;
- determining an active power based on the partial current (i1(t), i2(t), i3(t));
- and
- generating a status signal based on the calculated active power (i1(t), i2(t), i3(t)).
Dependencies are inferred from the claim text.