Control apparatus for welding and control method thereof

Abstract

A welding control apparatus includes a light sensor configured to detect presence and intensity of welding light, a controller configured to count presence, intensity, and elapsed time of welding light, detected by the light sensor, and to determine welding intensity, weld time, resting time, and weld number, a memory configured to store the welding intensity, the weld time, the resting time, and the weld number, determined by the controller, a display configured to display the welding intensity, the weld time, the resting time, and the weld number, stored in the memory, a shutter driver configured to drive a shutter liquid crystal display (LCD) to vary a darkness concentration, and a setting unit configured to receive a setting value and a manipulation command, set by a user, and to transmit the setting value and the manipulation command to the controller.

Dependencies are inferred from the claim text.