SOLENOID PROTECTION CIRCUIT

A system prevents solenoids from overheating. The solenoid circuit has solenoids connected across a power supply. Control switches energize the solenoids by controllably connecting the solenoids to and from the power source. The protection system includes a master switch connected between the power...

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Bibliographic Details
Main Author BUXTON, Keith
Format Patent
LanguageEnglish
French
German
Published 18.01.2017
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:A system prevents solenoids from overheating. The solenoid circuit has solenoids connected across a power supply. Control switches energize the solenoids by controllably connecting the solenoids to and from the power source. The protection system includes a master switch connected between the power source and the solenoids for simultaneously connecting and disconnecting all of the solenoids with the power source. A current sensor is positioned between the supply terminal of the power supply and the solenoids for detecting a current flowing between the supply and any of the solenoids and for producing a current-sensed signal. A controller detects abnormalities based on the current-sensed signal and responsively opens the master switch to disconnect all of the solenoids from the power source.
Bibliography:Application Number: EP20110784831