Method for detecting faulty operation of gas blower driven by DC motor
A technology of DC motors and electric motors, which is applied in the direction of motor control, motor generator testing, and transmission machinery dedicated to glass blowing machines. It can solve problems such as increased bearing friction, decreased magnet strength, and weakened magnetic field to prevent excessive heating. , reducing the effect of the application
Active Publication Date: 2020-09-15
EBM PAPST LANDSHUT
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The invention relates to a method for detecting faulty operation of a gas blower driven by an electronically commutated DC motor. The DC motor of the gas blower is controlled by an integrated motor electronic component, wherein the electrical current draw, required in operation to reach a predetermined blower speed of the gas blower, of the DC motor is measured as a measured variable via the motorelectronic component, wherein the motor electronic component performs a plausibility check of the measured electrical current draw, compares the measured value of the electrical current draw, at a predetermined blower speed, with a current draw reference value characteristic curve stored in the motor electronic component, and issues a warning and/or an error code based on deviation of the measured value of the electrical current draw beyond a tolerance range around the reference characteristic curve.
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