Circuit for testing inductive coils

Details Circuit for testing inductive coils Circuit for testing inductive coils

1987-06-10

1988-05-24

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

G01R 3106

Patent

active

047468696

ABSTRACT:
An electrical circuit is provided for testing for an open circuit or short circuit in an inductive coil, solenoid, or the like. The preferred circuit includes a computer activated device for selectively imposing a direct current voltage on a coil, a detector for detecting current flow through the coil induced by the voltage and for producing a current flow signal indicative of the magnitude of the current flow, a comparator for comparing the current signal with the reference signal and for producing respective first and second comparison signals when the current flow magnitude is respectively less than or greater than a reference magnitude, and a computer for determining whether the respective first and second comparison signals are produced during respective first and second points in time, such being a test indicative of the electrical integrity of the coil, solenoid, or the like.

REFERENCES:
patent: 4178542 (1979-12-01), McCarthy

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