Abstract: A status alarm mask may include a main body to cover a face and eyes of a user. The mask may include a filter unit placed at a front surface portion of the main body to protect the eyes. The mask may include a communication module configured to establish a communication session with a welding torch held by the user and receive at least one inclination value of the welding torch being operated by the user, through the communication session. The mask may include a controller configured to determine whether a work of the torch is in progress, on the basis of an operation of the filter unit and to generate notification output data when the work of the torch is in progress. The mask may include an output unit placed at a location not overlapping with the filter unit and configured to receive and output the notification output data.

Abstract: Provided is a welding information providing apparatus capable of providing a high-definition image allowing easy identification of welding surroundings in addition to a portion adjacent to welding light by synthesizing photographs taken through various imaging conditions; improving welding quality by providing efficient guiding to the worker regarding a current welding status; checking what is happening in the surroundings even during a welding operation; and easily performing welding even in an environment where it is difficult to perform welding.

Abstract: An embodiment of the present disclosure discloses an eye protection structure for protecting a worker, the eye protection structure including a window convex outward to cover both eyes of the worker, wherein the window includes a transmissive portion, the transmissive portion includes an inner surface facing the worker's face and an outer surface opposite to the inner surface, a first radius of curvature of the outer surface of the transmissive portion and a second radius of curvature of the inner surface of the transmissive portion are different from each other, and a thickness of a central portion of the transmissive portion is greater than a thickness of an edge portion of the transmissive portion.

Abstract: A welding information providing apparatus is disclosed. The welding information providing apparatus includes a main body worn by a user, a camera unit provided to an outside of the main body and including at least one camera obtaining welding image frames for a welding process, an image generating unit provided to inside the main body and generating a welding image based on the welding image frames, a display unit displaying the welding image provided from the image generating unit toward a user, a processor for controlling the image generating unit to generate the welding image based on the welding image frames, and a power supply unit provided to the main body and supplying a driving power to at least any one of the camera unit, the image generating unit and the processor.

Abstract: A welding image processing device and method are provided. The welding image processing device includes: a camera unit configured to capture an image of a welding portion; a cartridge arranged to be adjacent to a camera module; and a processor. The processor is configured to control a transmittance of the cartridge on the basis of a sensor value received from a sensor and acquire a welding image through the camera unit on the basis of light passing through the cartridge having the controlled transmittance.

Abstract: Provided is a welding protector which includes a face shield configured to protect a face of a welder and an auxiliary shield disposed adjacent to one edge of the face shield. The auxiliary shield includes a plurality of portions which overlap each other in a first mode and move to reduce an overlapping area when switching from the first mode to a second mode.

Abstract: Provided is a head band including a band main body, a supporting band, and an adjusting band, wherein the supporting band may stably support a head of a wearer by contacting and supporting the head at two or more points, and the length of the head band may be adjusted for improved wearing convenience.

Abstract: A mask includes a main body arranged on a face of a wearer, a first dial provided on the main body, a first length member connected to the first dial, a length adjustment member spaced apart from the main body and arranged in a lengthwise direction of the first length member, and a second length member connected to the length adjustment member, wherein a length of the first length member is adjusted by an operation of the first dial, and a length of the second length member is adjusted by an operation of the length adjustment member.

Abstract: This application relates to a protector for welding. In one aspect, the protector includes a main body configured to protect a face of a welder and a darkening section located on a front surface portion of the main body. The protector may also include an auxiliary shield that is arranged adjacent to one edge of a main body and includes a main surface portion extending in a direction away from the main body.

Abstract: Provided is a welding information providing apparatus including a main body provided to be worn by a user, a display unit arranged on the main body and including a display for displaying a welding image to the user, at least one camera unit attached to an outer side of the main body and obtaining welding image frames with respect to a welding operation, and a processor configured to control the display to display the welding image generated based on the welding image frames, wherein the camera unit includes a darkening filter blocking welding light generated due to the welding operation.

Abstract: Provided is a welding helmet control device comprising: a welding sensor or 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 welding sensor or 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; 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 under control of the controller; and a setting unit configured to receive a setting value and a manipulation command, set by a user, and to transmit the received information to the controller.

Abstract: A protector for a welder includes a main body configured to cover a face and eyes of an operator; a darkening filter arranged in a front side of the main body and configured to protect the eyes of the operator; an image generator arranged in the main body and configured to generate image light; an optical path bender configured to change a proceeding path of the image light; and a combiner configured to generate a virtual image on an outer portion of the main body by projecting the image light, and arranged adjacent to the darkening filter.

Abstract: A welder protector for protecting a worker includes a face shield including a first opening and a shield surface part surrounding the first opening, goggles detachably coupled to the face shield and including a window portion and a wearing portion, the window portion corresponding to the eyes of the worker, the wearing portion extending around a head of the worker, and a helmet detachably coupled to the face shield and including a second opening corresponding to the face shield.

Abstract: Provided is a welding helmet maintaining a power-on state after initial power is applied thereto, the welding helmet including: a circuit unit controlling a shutter liquid crystal display (LCD) based on at least one of whether welding light exists and an intensity of the welding light; a power supply unit supplying power to the circuit unit; and a switch unit controlling electrical connection between the circuit unit and the power supply unit, wherein after being initially switched to an on state, the switch unit maintains the on state.

Abstract: The purpose of the present invention is to further level the amount of polishing during electrolytic polishing of the inside of a hollow pipe. A holding frame for vertically holding a hollow pipe is pivotally supported on a rack so as to be vertically invertible about the vertical center of the hollow pipe. An electrode is inserted through the hollow pipe and a liquid buffer is disposed on each end of the hollow pipe. A valve mechanism is capable of switching a liquid supply/discharge circuit so as to supply an electrolyte via the liquid buffer positioned at the bottom and discharge the electrolyte via the liquid buffer positioned at the top whether it is before or after the inversion of the holding frame (inversion of the hollow pipe). During an electrolyte supply period before and after the inversion, an electrolytic treatment is as a matter of course carried out for a predetermined length of time. Although said switching by the valve mechanism may be manually performed, a control means may also be used.

Abstract: Provided are a welding protector, a worker healthcare system, and an operating method of the system. The welding protector includes a sensor generating a sensing signal obtained by sensing a wearing state of the welding protector worn by a worker; a memory storing at least one instruction; and a processor configured to execute the at least one instruction to generate a feedback signal, wherein the least one instruction includes information for identifying based on the sensing signal whether the worker is to perform a welding operation.

Abstract: Provided are a welding protector, a worker healthcare system, and an operating method of the system. The welding protector includes a sensor generating a sensing signal obtained by sensing a wearing state of the welding protector worn by a worker; a memory storing at least one instruction; and a processor configured to execute the at least one instruction to generate a feedback signal, wherein the least one instruction includes information for identifying based on the sensing signal whether the worker is to perform a welding operation.