Coil control device of electronic magnetic contactor
AssigneeLsis Co., Ltd.
InventorHyungeun CHO
Life of this patent
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Abstract
A coil control device of an electronic magnetic contactor, comprises: an input power processing unit configured to convert and output an input power into a direct current power; an input voltage detecting unit configured to detect a voltage level of the direct current power outputted from the input power processing unit; a control unit configured to output a control signal for controlling current flowing in a coil using the voltage level detected by the input voltage detecting unit; and a switching unit configured to connect or cutoff the current flowing in the coil by switching according to the control signal from the control unit, wherein the control unit includes a gate driver electrically connected with the switching unit and configured to block noise from the coil.
Claims5
A coil control device of an electronic magnetic contactor, comprising:
- an input power processing unit configured to convert and output an input power into a direct current power;
- an input voltage detecting unit configured to detect a voltage level of the direct current power outputted from the input power processing unit;
- a control unit configured to output a control signal for controlling current flowing in a coil using the voltage level detected by the input voltage detecting unit;
- and
- a switching unit configured to connect or cutoff the current flowing in the coil by switching according to the control signal from the control unit,
- wherein the control unit includes a gate driver electrically connected with the switching unit and configured to block noise from the coil.
Dependencies are inferred from the claim text.