KR20210034410A - Welding information providing apparatus - Google Patents

Abstract

The present invention relates to a welding information providing device, comprising: a main body provided to be worn by a user; a display unit disposed on the main body and including a portion facing the user; at least one camera unit facing the outside of the main body and generating an image for a welding operation; a sensor unit disposed outside the main body and including a module configured to detect a light level at least within the welding work area; and a control unit configured to operably communicate with the display unit, the camera unit, and the sensor unit, and provide the image toward the user-facing portion of the display unit.

Description

Welding information providing apparatus

Embodiments of the present invention relate to an apparatus for providing welding information.

Wear protective gear to protect workers from light and high heat generated during the welding process. Since the operator can only check welding progress through the protective equipment while wearing the protective equipment, it is troublesome to remove the protective equipment and check it with the naked eye in order to check various information for welding such as the conditions set in the welding device. There is this.

When the operator's skill level is not high, in particular, when wearing an automatic welding surface or a manual welding surface, the operator can see only a portion adjacent to the welding light, and it is difficult to recognize a specific welding situation such as the surrounding environment of welding. Accordingly, it is necessary to provide a high-definition image that the operator can visually check even the surrounding environment of the welding to the operator, and to provide the operator with detailed information about the welding state information.

Moreover, during welding, the illuminance/luminance of the welding light spot is very high, and a blackening filter is used to protect the operator's eyes from the welding light spot and to facilitate the welding operation. In this case, other areas other than the welding light spot are used. Not only does the welding work become very difficult because it is not visible at all, but the accuracy of the welding may be rather deteriorated.

The above problems can cause the same problem to medical staff not only in welding work, but also in skin treatments and/or treatments using high-intensity/high-intensity light such as laser light, as well as other high-intensity/high-intensity light. The same is a problem.

The present invention is in accordance with the above-described necessity, and an object of the present invention is to provide a welding information providing apparatus capable of improving the welding accuracy of the operator by showing not only the welding spot to the operator, but also the welding surrounding environment.

In addition, an object of the present invention is to provide an apparatus capable of guiding information on welding state information to an operator.

According to the present invention, it is possible to provide accurate information to a user in a task of handling high luminance/high luminance light.

However, these problems are exemplary, and the scope of the present invention is not limited thereby.

According to an embodiment of the present invention, a main body provided to be wearable by a user, a display unit disposed on the main body and including a portion facing the user, and at least facing the outside of the main body to generate an image of a welding operation A sensor unit including a camera unit, a module disposed outside the main body and configured to detect a degree of light in at least a welding work area, and operably communicate with the display unit, the camera unit, and the sensor unit, and the And a control unit provided to provide an image toward a portion of the display unit facing a user, wherein the control unit includes an image receiving unit receiving a first image generated from the camera unit, and the welding operation in the first image. A welding information providing apparatus including an image region sensing unit sensing at least one image region and an image generating unit generating a second image processed from the first image to the image region is provided.

The image region sensing unit may include a luminance detector that detects luminance of the first image region.

The image area sensing unit may include a point detection unit that detects a point of the first image area.

The image area sensing unit may include a size detection unit that detects the size of the first image area.

The control unit may be configured to select an image by reflecting at least a degree of light detected in the welding work area.

Other aspects, features, and advantages other than those described above will become apparent from the detailed contents, claims, and drawings for carrying out the following invention.

According to the present invention, by synthesizing pictures taken through various photographing conditions, it is possible to provide a high-definition image capable of easily identifying a welding environment in addition to a portion adjacent to the welding light.

In addition, according to an embodiment of the present invention made as described above, it is possible to improve welding quality by providing efficient guiding to an operator with respect to the current welding operation state.

It is easy to observe the welding light spot during welding by partially and/or relatively darkly filtering the part exhibiting high luminance in the image acquired from the camera unit, and therefore, even beginners have high difficulty welding. Not only can the operation be performed easily, but also the degree of purification and/or quality of the welding can be improved.

In addition, since it is easy to observe the surrounding area during the welding operation, the degree of safety during the welding operation can be further increased.

Of course, the scope of the present invention is not limited by these effects.

1 is a view for explaining the structure of a welding system according to an embodiment of the present invention.
2 is a simplified block diagram for explaining the components of a welding information providing apparatus according to an embodiment of the present invention.
3 is a block diagram of an embodiment of a control unit.
4 is a block diagram of an image area sensing unit according to an embodiment.
5 is a block diagram showing in detail an image display method by an apparatus for providing welding information according to an exemplary embodiment.
6A to 6C are diagrams illustrating a first image, a first image area, and a second image described in FIG. 5.
7 is a block diagram showing a control unit according to another embodiment of the present invention.
8 is a block diagram illustrating a method of displaying an image by an apparatus for providing welding information according to another exemplary embodiment.
9A to 9C are perspective views illustrating a welding information providing apparatus equipped with a camera according to different embodiments, respectively.
10 illustrates an example of an inner structure of the display unit.
11 is a diagram for explaining that a camera acquires an image according to an exemplary embodiment.
12A and 12B are diagrams for explaining how a control unit synthesizes an image obtained as in FIG. 11 and improves image quality of the synthesized image according to an embodiment.
13 is a diagram for explaining that a camera acquires an image according to another exemplary embodiment.
14 is a diagram for describing a method of synthesizing a captured image obtained in FIG. 13.
15 is a diagram for describing a method of providing an image to a display unit according to another exemplary embodiment.
16 is a diagram for describing an embodiment of displaying welding information according to another embodiment.
17A and 17B are diagrams for explaining guiding a UI for a welding direction of a torch through a visual feedback by a welding information providing apparatus.

Hereinafter, various embodiments of the present disclosure will be described in connection with the accompanying drawings. Various embodiments of the present disclosure may be subjected to various changes and may have various embodiments, and specific embodiments are illustrated in the drawings and related detailed descriptions are described. However, this is not intended to limit the various embodiments of the present disclosure to specific embodiments, and it should be understood that all changes and/or equivalents or substitutes included in the spirit and scope of the various embodiments of the present disclosure are included. In connection with the description of the drawings, similar reference numerals have been used for similar elements.

"Includes", which may be used in various embodiments of the present disclosure. Or "may include." The expression, etc. indicates the existence of a corresponding function, operation, or component that has been disclosed, and does not limit one or more additional functions, operations, or components. Also, in various embodiments of the present disclosure, "includes." Or "have." The terms such as, etc. are intended to designate the existence of features, numbers, steps, actions, components, parts, or a combination of them described in the specification, and one or more other features or numbers, steps, actions, components, parts, or It is to be understood that the possibility of the presence or addition of those combinations thereof is not preliminarily excluded.

Expressions such as "first", "second", "first", or "second" used in various embodiments of the present disclosure may modify various elements of various embodiments, but do not limit the corresponding elements. Does not. For example, the expressions do not limit the order and/or importance of corresponding elements. The above expressions may be used to distinguish one component from another component. For example, a first user device and a second user device are both user devices and represent different user devices. For example, without departing from the scope of the rights of various embodiments of the present disclosure, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component.

When a component is referred to as being "connected" or "mounted" to another component, the component may be directly connected or connected to the other component, but the component and It should be understood that new other components may exist between the other components. On the other hand, when a component is referred to as being "directly connected" or "directly mounted" to another component, it will be understood that no new other component exists between the component and the other component. Should be able to.

In the embodiments of the present disclosure, terms such as "unit" and "part" are terms used to refer to components that perform at least one function or operation, and these components are implemented as hardware or software, or It can be implemented as a combination of software. In addition, a plurality of "units", "parts", etc. may be integrated into at least one module or chip and implemented as at least one control unit, except when each of them needs to be implemented as individual specific hardware. have.

Terms as defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and ideal or excessively formal unless explicitly defined in various embodiments of the present disclosure. It is not interpreted in meaning.

Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view for explaining the structure of a welding system according to an embodiment of the present invention.

Referring to FIG. 1, the welding system of the present invention may include a welding information providing apparatus 100 and a welding torch 200. The welding information providing apparatus 100 and the welding torch 200 may be connected to each other through a communication network to transmit and receive data. The welding information providing apparatus 100 and the welding torch 200 may be matched and operated on a one-to-one basis, but are not limited thereto, and a one-to-n relationship is possible. That is, n welding torches 200 may be connected to one welding information providing device 100, and one welding torch 200 may be connected to the n welding information providing device 100. Can be. In addition, the welding information providing apparatus 100 and the welding torch 200 may exchange data by communicating with a separate server (not shown).

The welding information providing apparatus 100 may provide information on a welding situation to an operator. Specifically, the welding information providing apparatus 100 may acquire a welding image obtained by using at least one camera unit mounted on the welding information providing apparatus 100, and generate a composite image based on the obtained welding image, and display it to an operator. . In this case, the operator may visually check the shape of the welding bead and information on the surrounding environment other than the area adjacent to the welding light through the high-definition composite image.

The welding torch 200 according to an embodiment of the present invention includes a torch through which an operator can perform a welding operation, and a welding temperature, a welding direction, a welding slope, a welding speed, and a base material and a welding torch for a real-time welding operation A welding situation including a gap may be detected through at least one sensor. The welding torch 200 may monitor the state of the torch and may change a set value of the torch operation according to the welding situation.

The welding information providing apparatus 100 of the present invention can receive information on the work setting and work status from the welding torch 200 through a communication network connected to the welding torch 200, and to the operator based on the received welding information. Work information can be provided through visual feedback.

For example, when receiving sensing information on a welding temperature value, the welding information providing apparatus 100 may output a notification corresponding to the temperature value in various ways such as light, vibration, and message. In this case, the notification may be visual feedback provided on the display unit or display of the welding information providing apparatus 100, and may be audible feedback through sound (eg, a guide alarm) or a guide voice.

Meanwhile, the sensing information on the temperature value may include information on whether or not it exceeds a preset temperature range. In addition, the sensing information on the temperature value may include a numerical value, grade, level, etc. corresponding to the temperature value of the welding surface.

When it is determined that the temperature values of the torch and the welding surface are out of a preset temperature range, the welding information providing apparatus 100 according to an embodiment of the present invention may guide an operator to stop working. In the case of welding outside the preset temperature range, there is a risk of quality deterioration, and the operator can be guided to adjust the temperature value of the torch.

When it is detected that the current or voltage state of the welding torch 200 is abnormal, the welding information providing apparatus 100 according to an embodiment of the present invention may provide visual feedback for warning.

In this case, the visual feedback may be to provide an icon indicating danger to a partial area of the display portion of the welding information providing apparatus 100 displaying the work site. As another example, the welding information providing apparatus 100 may provide guidance to stop working through visual feedback by repeatedly increasing and decreasing saturation for a specific color (eg, red) on the entire display screen.

According to an embodiment of the present invention, in addition to at least one sensor (for example, a second sensor) included in the welding torch 200, the welding information providing device 100 includes a sensor included in the welding information providing device 100 ( For example, welding information may be sensed through a first sensor). In this case, the welding information may detect a welding situation including a degree of light related to a real-time welding operation, a welding temperature, a welding direction, a welding slope, a welding speed, and a distance between the base material and the welding torch through at least one sensor.

The welding torch 200 may include at least one of all types of sensing devices capable of detecting a change in its state. For example, acceleration sensor, gyro sensor, illumination sensor, proximity sensor, pressure sensor, noise sensor, video sensor Sensor), and/or a gravity sensor, etc. may be configured to include at least one sensor among various sensing devices. The degree of light in the welding work area detected by the illuminance sensor of the welding torch 200 may be transmitted to the control unit 150 through a communication unit, and the control unit 150 is a sensor unit ( 140), it is possible to control the lighting unit and/or the camera unit 110 based on the degree of light transmitted through the illuminance sensor of the welding torch 200.

Meanwhile, the acceleration sensor is a component for detecting the movement of the welding torch 200. Specifically, since the acceleration sensor can measure dynamic forces such as acceleration, vibration, and impact of the welding torch 200, it can measure the movement of the welding torch 200.

The gravity sensor is a component for detecting the direction in which gravity is directed. That is, the detection result of the gravity sensor may be used to determine the movement of the welding torch 200 together with the acceleration sensor. In addition, the direction in which the welding torch 200 is gripped may be determined through the gravity sensor.

In addition to the above-described types of sensors, the welding torch 200 may further include various types of sensors such as a gyroscope sensor, a geomagnetic sensor, an ultrasonic sensor, and an RF sensor, and may detect various changes related to the welding work environment. .

Likewise, the welding information providing apparatus 100 may provide guiding corresponding to welding information based on welding information sensed through a sensor (eg, a first sensor) included in the welding information providing apparatus 100.

According to an embodiment of the present invention, the welding information providing apparatus 100 may change the operation of the welding torch by sensing a preset user's movement or a preset user's voice, etc. after guiding for stopping work is provided. .

In another embodiment, when communication with the welding torch 200 is not smooth, the welding information providing apparatus 100 may acquire temperature values of the torch and the welding surface through image sensing provided by itself. For example, the apparatus 100 for providing welding information may obtain temperature values of the torch and the welding surface based on image data acquired through a thermal imaging camera.

The above-described example describes only the case where the information received from the welding torch 200 is welding temperature information, and the welding information providing apparatus 100 may provide various guiding for various welding information.

2 is a simplified block diagram for explaining the components of the welding information providing apparatus 100 according to an embodiment of the present invention.

Referring to FIG. 2, the apparatus 100 for providing welding information may include a camera unit 110, a display unit 130, a control unit 150, and a sensor unit 140.

The camera unit 110 may include at least one camera device, and may include a camera for photographing an image of a welding work site. The camera unit 110 according to an embodiment of the present invention may be a camera positioned adjacent to the display unit 130 of the apparatus 100 for providing welding information. For example, among the cameras 110, a first camera and a second camera may be mounted symmetrically on a region of the front surface of the welding information providing apparatus 100, respectively.

The camera unit 110 may receive a control command from the first control unit 150 and change settings such as shutter speed, ISO sensitivity, and GAIN in response to the control command to take a picture of a welding work site. The camera unit 110 may include a first camera and a second camera, and may photograph a welding work site through different shooting settings.

Optionally, the camera unit 110 according to another embodiment of the present invention may have a structure in which a light blocking cartridge is positioned in front of a lens that receives light from a subject.

The automatic shading cartridge can block welding light generated when welding occurs by an operator. That is, the automatic shading cartridge (not shown) may increase the shading degree of the cartridge by blackening based on welding light information sensed through the sensor unit 140, for example, a photo sensor. In this case, the automatic shading cartridge may include, for example, a liquid crystal protection panel capable of adjusting the degree of blackening according to the alignment direction of the liquid crystal. However, the present invention is not limited thereto, and may be implemented with various panels such as a vertical alignment (VA) type LCD, a twist nematic (TN) type LCD, and an IPS (In Plane Switching) type LCD.

The degree of blackening of the automatic shading cartridge can be automatically adjusted according to the brightness of the welding light. As described above, when automatically adjusted according to the brightness of the welding light, the sensor unit 140 may be used. When the sensor unit 140 detects the intensity of the welding light to obtain welding light information, and transmits information on the intensity of the welding light included in the welding light information to the control unit 150 to be described later as a predetermined electric signal, The control unit 150 may control the degree of blackening based on the intensity of the welding light.

That is, the automatic shading cartridge (not shown) can change the shading degree of the panel in real time so as to correspond to the intensity of light generated from the welding surface of the welding work site, and the camera unit 110 is installed in the automatic shading cartridge installed on the front side. Thus, it is possible to take a welding image in which a certain amount of welding light is shielded.

According to another embodiment of the present invention, the apparatus 100 for providing welding information may have a structure in which the camera unit 110 is positioned adjacent to an automatic light blocking cartridge. Also, optionally, the welding information providing apparatus 100 according to another exemplary embodiment may not include an automatic shading cartridge. In this case, the user may perform a welding operation only with the welding image acquired through the camera unit 110.

The camera unit 110 according to an embodiment of the present invention may include a thermal imaging camera. The welding information providing apparatus 100 may obtain a temperature image by synthesizing a thermal image acquired through a thermal imaging camera with an image of a welding site.

Although not shown in the drawing, the camera unit 110 as described above may further include a lighting unit electrically connected to the control unit 150. The lighting unit is configured to irradiate light toward at least the welding work area, and is turned off when the welding work is started by the control unit 150, and the brightness is increased by sensing the illuminance by the sensor unit 140 when welding is not performed. It may be automatically adjusted to be optimized for photographing by the camera unit 110.

The display unit 130 is a component for providing a high-definition welding image to an operator. In more detail, the display unit 130 may be implemented in the form of goggles or glasses including a display that displays a composite image obtained by synthesizing an image obtained through the camera unit 110 to an operator. However, the present invention is not necessarily limited thereto, and may be implemented with various types of display devices capable of providing an image to a worker.

The display included in the display unit 130 may display a high-definition composite image so that an operator can visually check the surrounding environment (eg, the shape of a previously worked welding bead, etc.) other than a portion adjacent to the welding light. In addition, the display unit 130 may guide an operator with visual feedback (eg, a welding progress direction) on a welding progress state.

The display included in the display unit 130 is a variety of displays such as LCD (Liquid Crystal Display), OLED (Organic Light Emitting Diodes), LED (Light-Emitting Diode), LcoS (Liquid Crystal on Silicon) or DLP (Digital Light Processing). It can be implemented with technology. In this case, the display according to an embodiment of the present invention is implemented as a panel made of an opaque material, and the operator may not be directly exposed to harmful light. However, it is not necessarily limited thereto, and the display may be provided as a transparent display.

The sensor unit 140 may include a plurality of sensor modules configured to detect various information on a welding site and obtain welding information. In this case, the welding information may include a welding temperature for a real-time welding operation, a welding direction, a welding slope, a welding speed, and a distance between the base material and the welding torch. Furthermore, the sensor unit 140 may include an optical sensor module configured to detect the degree of light in at least the welding work area.

According to an embodiment of the present invention, the sensor unit 140 may include an illumination sensor, and in this case, the sensor unit 140 may obtain information on the intensity of welding light at a welding site. In addition to an illumination sensor, the sensor unit 140 includes various types of sensors such as an acceleration sensor, a proximity sensor, a noise sensor, a video sensor, an ultrasonic sensor, an RF sensor, and/or a gravity sensor. A kind of sensor may be further included, and various changes related to the welding work environment may be detected.

The control unit 150 may generate a high-definition composite image by synthesizing the welding image frame received through the camera unit 110. The control unit 150 may obtain a synthesized image by setting the shooting conditions for each frame differently by the camera unit 110 and synthesizing the frames acquired in chronological order in parallel. Specifically, the control unit 150 may control the camera unit 110 to take pictures by changing the shutter speed, ISO sensitivity, and GAIN of the camera unit 110.

In this case, the control unit 150 may set different photographing conditions according to conditions such as the sensed welding light of the welding site, ambient light, and the degree of movement of the welding torch 200. Specifically, the control unit 150 may set the shooting condition to decrease ISO sensitivity and GAIN as the welding light and/or ambient light of the welding site increases. In addition, when it is detected that the movement and/or work speed of the welding torch 200 is high, a shooting condition may be set to increase the shutter speed.

The control unit 150 may synthesize images of a preset number of frames in parallel. According to an embodiment of the present invention, each image in a preset frame may be photographed under different shooting conditions.

When there are two or more camera units 110, the control unit 150 according to an embodiment of the present invention may control to shoot by setting different shooting setting conditions of each camera unit. Even in this case, the control unit 150 may synthesize images of a preset number of frames in parallel.

The control unit 150 may control the overall operation of the welding information providing apparatus 100 using various programs stored in a memory (not shown). For example, the control unit 150 may include a CPU, RAM, ROM, and a system bus. Here, the ROM is a configuration in which the instruction set for booting the system is stored, and the CPU copies the operating system stored in the memory of the welding information providing device 100 to the RAM according to the instruction stored in the ROM, and executes the O/S to operate the system. Boot it up. When booting is complete, the CPU can perform various operations by copying various applications stored in the memory to RAM and executing them. In the above, it has been described that the control unit 150 includes only one CPU, but when implemented, it may be implemented with a plurality of CPUs (or DSPs, SoCs, etc.).

According to an embodiment of the present invention, the control unit 150 may include a digital signal processor (DSP), a microprocessor, and/or a time controller (TCON) that processes digital signals. However, the present invention is not limited thereto, and a central processing unit (CPU), a micro controller unit (MCU), a micro processing unit (MPU), an application processor (AP), and/or a communication processor (communication processor (CP)), one or more of an ARM processor, or may be defined as a corresponding term In addition, the control unit 150 includes a system on chip (SoC) and a large LSI (LSI) with a built-in processing algorithm. scale integration) or in the form of a field programmable gate array (FPGA) In addition, the control unit 150 may further include various memory devices.

3 is a block diagram of the control unit 150 according to an embodiment. According to a more specific embodiment illustrated in FIG. 3, the control unit 150 includes an optical index calculation unit 151, an image receiving unit 152, an image area sensing unit 153, a comparison unit 154, and an image A generation unit 155, an image generation unit 156, and an image selection unit 157 may be included.

The light index calculation unit 151 calculates the light index based on at least the degree of light for the welding work area sensed by the sensor unit 140. In this case, the welding work area may be an area including a portion where welding is performed by the welding torch 200. The degree of light may correspond to illuminance data in the welding work area. The light index may correspond to data converted to compare light degree data with a specific threshold value.

The image receiving unit 152 receives an image generated from the camera unit 110. The image receiving unit 152 has a different meaning from the communication unit and may be a program area of the control unit 150 that receives image data generated from the camera unit 110.

The image area sensing unit 153 senses an image area for a welding operation in the welding image received by the image receiving unit 152. According to an embodiment, the image area sensing unit 153 senses a feature of the image area. The image region sensing unit 153 may detect a pixel having a higher luminance or a pixel having the highest luminance than a peripheral region in the welding image.

The comparison unit 154 compares data, such as comparing the optical index with a first threshold value, or comparing a feature of the image region, more specifically, a second threshold value.

The image generating unit 155 generates a second image related to the welding operation. The image generating unit 155 may generate an appropriate second image according to the command of the comparison unit 154. However, the present invention is not necessarily limited thereto, and the second image may be stored in advance.

The image generator 156 generates a second image obtained by processing the received image.

The image selection unit 157 selects an image to be transmitted to the display unit 130.

Optionally, according to another embodiment, the image area sensing unit 153 may include a luminance detection unit 1531, a size detection unit 1532, and a point detection unit 1533 as shown in FIG. 4.

The luminance detection unit 1531 detects luminance and/or luminance distribution of an image area. The luminance detection of the image area may be performed through analysis of the luminance of the pixels constituting the image area. According to a more specific embodiment, a certain luminance range around a pixel having a higher luminance than the surrounding area in an image The distribution of pixels within it can be detected. Optionally, the luminance detector 1531 may detect a distribution of pixels within a predetermined luminance range around the pixel having the highest luminance in the image.

The size detection unit 1532 detects the size of the image area. Detecting the size of the image area may be performed through analysis of the distribution of pixels constituting the image area, and according to a more specific embodiment, a certain area range around the pixel with a higher luminance than the surrounding area in the image It is possible to detect the size of the distribution of pixels within. Optionally, the size detection unit 1532 may detect the size of a distribution of pixels within a certain area range around the pixel having the highest luminance in the image.

The point detection unit 1533 detects a point in the image area. The point detection of the image area may be performed through analysis of the positions of pixels constituting the image area, and according to a more specific embodiment, a certain luminance range around a pixel having a higher luminance than the surrounding area in an image A point where the distribution of pixels within the image is located in the image may be detected. Optionally, the size detection unit 1532 may detect a point at which a distribution of pixels within a predetermined luminance range around the pixel having the highest luminance in the image is located in the image.

4 illustrates an embodiment in which the image area sensing unit 153 includes all of the luminance detection unit 1531, the size detection unit 1532, and the point detection unit 1533, but the present invention is not limited thereto, and the image area The sensing unit 153 may include at least one of a luminance detection unit 1531, a size detection unit 1532, and a point detection unit 1533.

Each configuration of the control unit 150 as described above is not limited to a hardware configuration constituting the control unit 150, and may correspond to a programmatic driving area constituting the control unit 150.

Next, an embodiment of an image display method by the welding information providing apparatus 100 having the above-described configuration will be described in more detail.

5 is a block diagram illustrating a method of displaying an image by the apparatus 100 for providing welding information according to an exemplary embodiment. 6A to 6C are diagrams illustrating a first image, a first image area, and a second image described in FIG. 5.

First, the degree of light in the welding work area may be detected by the sensor unit 140 (S21). According to an embodiment, the sensor unit 140 may include an illuminance sensor module, and accordingly, the degree of light may correspond to illuminance data in the welding work area. The detection of the degree of light is not necessarily performed by the sensor unit 140, and illuminance data measured by a separately installed sensor may be transmitted to the control unit 150.

When data on the degree of light is transmitted to the control unit 150, the control unit 150, in particular, the light index calculation unit 151 calculates the light index in the welding work area based on the data. In this case, the welding work area may be an area including a portion where welding is performed by the welding torch 200. Here, the light index may correspond to data converted to compare the above-described light intensity data with a specific first threshold value, as described below.

The control unit 150, particularly the comparison unit 154, compares the optical index with a preset first threshold (S23). The first threshold value may correspond to an illuminance value of light generated from a welding light spot as welding starts. The illuminance value of the light generated from the welding light spot may vary depending on the type of welding and/or the state of the welding. It can be a value that can be used. However, the present invention is not necessarily limited thereto, and the threshold value may be a plurality of values so as to respectively correspond to the type of welding and/or the state of the welding.

Here, if the light index is greater than the first threshold, since it indicates that welding has started, the control unit 150, particularly the image receiving unit 152, receives the first image generated from the camera unit 110 (S41). . The first image 1000 becomes an image including the welding light spot S as shown in FIG. 6A.

According to an embodiment, the control unit 150 may sense the first image area 1001 from the first image 1000 by the image area sensing unit 153 as shown in FIG. 6B.

According to an embodiment, the first image area 1001 may be an area including pixels within a predetermined range centering on a pixel having a higher luminance than the surrounding area 1002 of the first image 1000.

The image area sensing unit 153 may sense a characteristic of the first image area 1001, and the characteristic of the first image area 1001 is the luminance, size and/or point of the first image area 1001. It may include. Optionally, the characteristic of the first image area 1001 may be a pixel having a higher luminance or a pixel having the highest luminance compared to the surrounding area 1002 in the welding image.

The image region sensing unit 153 may detect a pixel having a higher luminance or a pixel having the highest luminance compared to the surrounding region 1002 in the welding image. For example, the image area sensing unit 153 may detect a pixel having the highest luminance among the first image 1000. The pixel with the highest luminance in the first image 1000 will be included in the welding light spot S image.

The image area sensing unit 153 may detect the luminance and/or luminance distribution of the first image area 1001 by the luminance detection unit 1531. According to a more specific embodiment, the luminance detector 1531 detects a distribution of pixels within a certain luminance range around a pixel having a higher luminance than the surrounding region 1002 in the first image 1000. I can. Optionally, the luminance detector 1531 may detect a distribution of pixels in a predetermined luminance range around the pixel having the highest luminance in the first image 1000.

Optionally, the image area sensing unit 153 may detect the size of the first image area 1001 by the size detection unit 1532. According to a more specific embodiment, the size detection unit 1532 detects the size of a distribution of pixels within a certain area range around a pixel having a higher luminance than the surrounding area 1002 in the first image 1000. can do. Optionally, the size detector 1532 may detect the size of a distribution of pixels within a predetermined area range around the pixel having the highest luminance in the first image 1000.

Optionally, the image area sensing unit 153 may detect a point of the first image area 1001 by the point detection unit 1533. According to a more specific embodiment, the point detection unit 1533 includes a first distribution of pixels in a predetermined luminance range around a pixel having a higher luminance than the surrounding region 1002 in the first image 1000. A point located within the image 1000 may be detected. Optionally, the size detector 1532 determines a point in the first image 1000 in which a distribution of pixels within a certain luminance range around the pixel having the highest luminance in the first image 1000 is located. Can be detected.

After sensing the first image area 1001 in this way and detecting its characteristic, such as luminance, size and/or point, the control unit 150, in particular, the comparison unit 154, determines the first image area 1001. It is compared with a second predetermined threshold (S43). According to an embodiment, the comparison unit 154 of the control unit 150 may compare a luminance value of a pixel having the highest luminance in the first image area 1001 with a second threshold value. The second threshold value may correspond to a luminance value of a welding light spot image as welding starts. The luminance value of the welding light spot image may vary depending on the type of welding and/or the state of the welding, and the above-described second threshold corresponds to the type of welding that has the lowest luminance value and/or the state of the welding. It can be a value that can be used. However, the present invention is not necessarily limited thereto, and the second threshold may be a plurality of values so as to respectively correspond to a type of welding and/or a state of welding.

If the characteristic of the first image area 1001 is higher than the second threshold value, the comparison unit 154 causes the image generation unit 155 to generate the second image 2001 (S46). The second image 2001 corresponds to an image capable of darkening the luminance value of the first image region 1001 to a certain degree and is formed to correspond to the size of the first image region 1001. Optionally, the second image 2001 is not necessarily newly generated by the image generating unit 155, and the stored image may be generated by changing the size and/or shape of the stored image with a pre-determined filtering value.

Next, the image generator 156 combines the second image 2001 with the first image 1000 (S45). When combining the second image 2001, after determining the position of the first image region 1001 in the first image 1000, the second image 2001 is combined at the position of the first image region 1001. .

In this way, the second image 2001 is combined with the first image 1000 to generate the second image 2000 as shown in FIG. 6C (S46). In the second image 2000, the area including the welding light spot S is darkly filtered by the second image 2001 so that the operator accurately determines the welding light spot S included in the second image 2000 without glare. You can perform welding work while observing. In addition, since the area including the welding light spot S does not have a large difference in luminance from the surrounding area 2002, the welding operation can be performed by both observation of the surrounding area 2002 and thus the accuracy of the welding operation can be further improved. . In addition, the welding operation can be performed more easily.

Meanwhile, in the above-described embodiment, the image region sensing unit 153 senses the first image region 1001 centering on the highest luminance pixel in the first image 1000. Accordingly, the first image 1000 ), if there is a second light spot 1004 having a lower luminance than the welding light spot S, the second light spot 1004 may not be sensed as an image area and the control unit 150 may not perform separate processing. have. However, the present invention is not necessarily limited thereto, and according to another embodiment of the present invention, the luminance difference of the second light spot 1004 present in the first image 1000 may occur by a certain level or more than the peripheral region 1002. In this case, it may be processed to be darkly filtered by processing the above-described image area.

The second image 2000 generated as above is selected by the image selection unit 157 of the control unit 150 and provided to the display unit 130.

On the other hand, optionally, if the luminance value of the pixel having the highest luminance among the above-described first image area 1001 is less than the second threshold value, the image selector 157 reports that the corresponding light spot is not a welding light spot. The first image 1000 to which a separate dark filtering image processing has not been performed may be selected and provided to the display unit 130.

And, in step S3, if the light index is less than the first threshold value, it is assumed that the welding operation is not performed, so that the image selection unit 157 is a third image captured by the camera unit 110 in a state illuminated by lighting. Selecting may be provided to the display unit 130.

However, the present invention is not necessarily limited thereto, and when it is determined that the welding operation is not performed, the camera unit 110 is turned off, and visual information is transmitted through an automatic shading cartridge separately installed in the welding information providing apparatus 100. Can be provided.

7 is a block diagram illustrating a control unit 150 according to another embodiment of the present invention. Among the configurations of FIG. 7, the same reference numerals are used for the same components as those of FIG. 3, and redundant descriptions are omitted.

Unlike the control unit 150 illustrated in FIG. 3, the control unit 150 illustrated in FIG. 7 does not include the image generating unit 155, but may include an image area processing unit 158.

The image area processing unit 158 may perform a process of lowering a luminance value of each pixel existing in the sensed image area by a certain degree. Accordingly, it is possible to obtain an effect of filtering the image area to be dark.

FIG. 8 is a block diagram illustrating a method of displaying an image by the apparatus 100 for providing welding information according to another exemplary embodiment, and is a method of displaying an image implemented by the control unit 150 illustrated in FIG. 7.

The image display method illustrated in FIG. 8 may be generally performed in the same manner as the display method illustrated in FIG. 5.

However, as a result of comparing the first image region 1001 with a second predetermined threshold (S43) by the control unit 150, particularly the comparison unit 154, the characteristic of the first image region 1001 is the second threshold. If it is higher than the value, the first image area 1001 may be darkened by the image area processing unit 158 of the control unit 150 (S49). The blackening process may be a process of simultaneously lowering luminance values of pixels constituting the first image area 1001. Accordingly, the first image area 1001 may be a second image area 2003 composed of blackened pixels as shown in FIG. 6C. Like the above-described embodiment, the first image area 1001 is The second image 2001 is generated as a second image 2000 capable of obtaining the same effect as the combined form (S46).

The remaining components are the same as those of the above-described embodiment shown in FIG. 5, and thus detailed descriptions thereof will be omitted.

As described above, embodiments of the present invention partially and/or relatively darkly filter a portion exhibiting high luminance in an image acquired from the camera unit 110, in particular, a welding light spot, so that it is easy to observe a welding light spot during a welding operation. Therefore, even a beginner can easily perform a welding operation with a high degree of difficulty, as well as increase the degree of purification and/or quality of the welding. In addition, since it is easy to observe the surrounding area during the welding operation, the degree of safety during the welding operation can be further increased.

9A to 9C are perspective views illustrating a welding information providing apparatus equipped with a camera unit according to different embodiments.

Referring to FIG. 9A, the apparatus 100 for providing welding information according to an embodiment of the present invention includes a main body 160, a display unit 130 installed on the main body 160, and a front part of the main body 160. It includes a camera unit 110, at least one sensor unit 140, and a fixing unit 170 disposed on the rear surface of the main body 160 to fix the welding information providing device 100 to the head of the operator. I can.

According to an embodiment, one camera unit 110 may be provided in the center. In this case, the front portion of the display unit 130 may be an external region (a region illustrated in FIG. 9A) corresponding to a direction in which the welding operation is performed. Conversely, the rear portion of the display unit 130 may be an inner area corresponding to the operator's face direction. In FIG. 9A, it is shown that the camera unit 110 is installed on the main body 160, but the present invention is not limited thereto and may be mounted on a partial area of the display unit 130.

In FIG. 9A, at least one sensor unit 140 is shown to be mounted on an area of the front side of the display unit 130, but according to an embodiment of the present invention, the sensor unit 140 is mounted on the main body 160. Can be. In this case, the sensor unit 140 may be mounted in the front direction of the main body 160 so as to detect a welding situation.

The body 160 protecting the operator's face may be formed of a material having a predetermined strength, such as reinforced plastic, but the present invention is not limited thereto, and any material that is resistant to elements such as sparks that may occur during welding It can be used in various ways.

The fixing part 170 is configured to directly contact the operator's head, and one side of the fixing part 170, that is, at least a part of the inner surface in direct contact with the operator's head, may include a soft material such as a fiber material or a cushion material. have.

The lighting may be further positioned adjacent to the camera unit 110. This illumination may be provided to illuminate the camera unit 110 toward the object to be imaged.

Referring to FIG. 9B, the apparatus 100 for providing welding information according to an embodiment of the present invention includes a main body 160, a display unit 130 installed on the main body 160, and a front part of the main body 160. It may include at least one camera unit 110, at least one sensor unit 140, and a fixing unit 170 that is disposed on the rear surface of the body 160 and fixes the welding information providing device 100 to the head of the operator. have.

According to an embodiment, a plurality of camera units 110 may be implemented. For example, when there are two camera units 110, they may be symmetrically mounted on one area of the front surface of the display unit 130. In this case, the front portion of the display unit 130 may be an external region (a region shown in FIG. 9B) corresponding to a direction in which the welding operation is performed.

Referring to FIG. 9C, a main body 160 for protecting a worker's face according to the present invention may include a display unit 130 and a sensor unit 140 installed in front of the main body 160. In addition, at least one camera unit 110 may be symmetrically mounted on both sides of the body 160. In addition, the welding information providing apparatus 100 may include a fixing part 170 disposed on the rear surface of the main body 160 and fixing the welding information providing apparatus 100 to the head of a worker.

In particular, the camera unit 110 is implemented with two cameras, and may be mounted on both sides of the main body 160 in a direction corresponding to the operator's working direction, respectively. Although not shown in the drawing, when there are an odd number of cameras 110, they may be additionally mounted on the upper center of the body 160. This is the same in the case of the embodiment of Fig. 9A.

In this example, the rear portion of the display unit 130 is in the direction of the operator's face, and may display a composite welding image to the operator. In addition, the rear portion of the display unit 130 may display a welding information providing apparatus 100 when a preset event occurs. It is possible to display a UI for a current state such as the battery state of.

In FIG. 9C, at least one sensor unit 140 is shown to be mounted on an area of the front side of the display unit 130, but according to an embodiment of the present invention, the sensor unit 140 is included in the main body 160. Can be. According to another embodiment, the sensor unit 140 may be included and mounted in at least a part of at least one camera unit 110.

10 illustrates an example of a rear portion of the display unit 130 of the welding information providing apparatus, that is, an inner structure of the display unit 130.

Referring to FIG. 10, the display unit 130 may be implemented as a separate component separable from the main body 160. The rear portion of the display unit 130 may include an eyepiece part 131 and an eyepiece display 132. The eyepiece part 131 may be fixed in close contact with the operator's face. The operator may closely adhere both eyes to the eyepiece part 131 and view a high-definition composite image displayed on the eyepiece display 132. In another embodiment, each of the eyepiece parts 131 may include a lens unit, and the lens unit may enlarge a high-definition composite image implemented on the eyepiece display 132 so that an image is easily formed on the user's eyes.

Meanwhile, according to an embodiment of the present invention, the display unit 130 includes a welding image synthesized based on the image acquired by the camera unit 110 corresponding to each eye and the eyepiece display 132 corresponding to each eye. Can be marked on.

For example, when a first camera mounted in an area corresponding to the left eye acquires an image under the first photographing condition, the display unit 130 may display the first eyepiece display 132 included in the area corresponding to the left eye among the rear parts. The first synthesized image synthesized based on the first photographing condition may be displayed. Similarly, when a second camera mounted in the area corresponding to the right eye acquires an image under the second photographing condition, the display unit 130 displays a second eyepiece display 132 included in the area corresponding to the right eye among the rear parts. A second synthesized image synthesized based on the photographing condition may be displayed.

As described above, compared to displaying the same composite image for both eyes, a three-dimensional and fluid composite image can be provided. However, this is only an example, and it goes without saying that each eyepiece display 132 can display the same composite image even if the camera 110 corresponding to each shoots under different conditions.

The structure of the display unit 130 as described above is not limited to that illustrated in the drawings, and a transparent screen member is disposed in front of the eye, and may have a structure in which an image is projected onto the screen member. Of course, in this case, an automatic shading cartridge is provided in front of the screen member to block welding light generated when welding by an operator occurs.

In the case of the embodiments shown in FIGS. 9A to 10 described above, the main body 160 has a structure that covers the user's head to a certain extent, but the present invention is not necessarily limited thereto, and the main body is provided to cover only the user's face. It may be a structured structure, or may include various structures that can be worn by a user, such as a goggle form or a glass form.

11 is a diagram for explaining that a camera acquires an image according to an embodiment of the present invention.

11 shows an example in which the camera unit 110 of the present invention includes two cameras. Referring to FIG. 11, the first camera and the second camera of the camera unit 110 may photograph a welding site while changing photographing conditions in chronological order. In this case, the shooting conditions may include ISO sensitivity, GAIN, and/or shutter speed.

The first frame (a11) and the fifth frame (a21) are photographed under the first photographing condition, the second frame (a12) is photographed under the second photographing condition, and the third frame (a13) is photographed under the third photographing condition. will be. Although not shown in the drawing, a fourth frame may be further provided, and in this case, the photograph may be taken under the fourth photographing condition. In this example, the first camera and the second camera are photographed under the same shooting conditions in the same frame.

For example, the first shooting condition may be that the shutter speed is faster than that of the second shooting condition, and the shooting was taken with a setting of high sensitivity and high gain, and the third shooting condition is that the shutter speed is slower than that of the second shooting condition. And a low gain setting. However, the above-described example is only an example, and the camera 110 may acquire an image under various photographing conditions.

12A and 12B are diagrams for explaining how a control unit synthesizes an image obtained as in FIG. 11 and improves image quality of a synthesized image according to an exemplary embodiment of the present invention.

The control unit 150 according to an embodiment of the present invention may synthesize an image based on a preset number of frames. In this case, the number of frames for one composite image may be set by an operator or may be set at the time of shipment.

The first control unit 150 of FIG. 12A may generate a welding image that is a composite image based on the number of three frames. In more detail, the control unit 150 may obtain a first intermediate composite image b1 by synthesizing the first frame a11 and the second frame a12. Also, the control unit 150 may obtain a second intermediate composite image b2 by synthesizing the second frame a12 and the third frame a13.

The control unit 150 may obtain a first synthesis image c1 by synthesizing the first intermediate synthesis image b1 and the second intermediate synthesis image b2.

Similarly, the control unit 150 may synthesize a third intermediate composite image (not shown) by synthesizing the third frame a13 and the fourth frame (not shown), and the second intermediate composite image b2 and the second 3 A second composite image c2 may be obtained by synthesizing an intermediate composite image (not shown).

As described above, according to an embodiment of the present invention, a high-definition composite image can be obtained by synthesizing a picture taken through various photographing conditions in an HDR method. Through the above-described high-definition composite image, there is an effect that an operator can easily identify a peripheral portion other than a portion adjacent to the welding light spot. That is, in the related art, the brightness of the welding light is overwhelmingly brighter than that of the surrounding area, so that the shape of the previously worked welding bead and the surrounding environment of the welding cannot be easily identified. However, according to the welding system of the present invention, beginner workers Also can be easily identified.

Meanwhile, the control unit 150 may perform the first composite image c1 and the second composite image c2 in parallel. According to an embodiment of the present invention, the control unit 150 performs parallel image synthesis at a difference of one frame, so that a plurality of synthesized images can be obtained at the same speed as the frame shooting speed through the camera unit 110. have.

12B is a diagram illustrating that the control unit 150 according to an embodiment of the present invention performs contrast ratio processing on a synthesized image.

Referring to FIG. 12B, the control unit 150 may perform contrast ratio processing on the acquired composite image. For example, the control unit 150 may obtain a second composite image c12 and a third composite image c13 by performing additional contrast or contrast processing on the acquired first composite image c11.

As described above, the contrast ratio can be increased through additional contrast ratio processing on the composite image, and the light state of the welding surface can be clearly identified.

13 is a diagram for explaining that a plurality of cameras acquire an image according to an embodiment of the present invention.

Referring to FIG. 13, the first camera and the second camera may photograph a welding situation under different photographing conditions in a frame of the same time.

For example, the first frame d11 of the first camera and the third frame e11 of the second camera may be photographed under the first photographing condition. The second frame d12 of the first camera and the first frame e12 of the second camera are the second shooting conditions, and the third frame d13 of the first camera and the second frame e13 of the second camera are It was taken under the third shooting condition. That is, in this example, the first camera and the second camera are photographed under different shooting conditions in the same frame.

For example, the first shooting condition may be that the shutter speed is faster than the second shooting condition, and the shooting was taken with high sensitivity and high gain settings, and the third shooting condition is that the shutter speed is slower and the low sensitivity and low gain are set. I can. However, the above-described example is only an example, and the camera unit 110 may acquire an image under various photographing conditions.

14 is a diagram for describing a method of synthesizing a captured image obtained in FIG. 13.

Referring to FIG. 14, the control unit 150 may obtain a first intermediate composite image f1 by synthesizing a first frame d11 of a first camera and a first frame e12 of a second camera. Also, the control unit 150 may obtain a second intermediate composite image f2 by synthesizing the second frame d12 of the first camera and the second frame e13 of the second camera.

The control unit 150 may generate a first synthesis image g1 by synthesizing the first intermediate synthesis image f1 and the second intermediate synthesis image f2. Similarly, the control unit 150 may obtain a second synthesis image g2 by synthesizing the second intermediate synthesis image f2 and the third intermediate synthesis image f3. In the same way, the control unit 150 may acquire a third composite image (not shown).

As described above, according to the present invention, by synthesizing pictures taken through various photographing conditions in an HDR method, there is an effect that the welding light in the welding image can be easily identified.

Meanwhile, the control unit 150 may perform the first composite image g1 and the second composite image g2 in parallel. According to the present invention, the control unit 150 performs image synthesis in parallel while the first camera and the second camera capture a frame, so that a plurality of frames are captured at the same speed as the frame through the camera unit 110. Can obtain a composite image of

According to an embodiment of the present invention, the control unit 150 may display the synthesized image on only one side of the display unit 130 including the binocular display. For example, a composite image obtained by synthesizing an image acquired through the first camera by the method of FIG. 6A may be displayed on a display of the eyepiece display 132 corresponding to the first camera. On the other hand, the composite image synthesized by the method of FIG. 14 may be displayed on the display of the eyepiece display 132 corresponding to the second camera. Through this, there is an effect that a three-dimensional effect can be imparted by providing a welding image in which the welding light on the welding surface is corrected in an HDR method only on one of the eyepiece displays 132.

In FIGS. 11 to 14, it has been described that the photographing condition of the camera unit 110 is changed for each frame to obtain a welding site image or a welding image frame. However, according to another embodiment of the present invention, the control unit 150 of the present invention may change the light blocking degree of the automatic light blocking cartridge based on sensing information on the intensity of the welding light acquired through the sensor unit 140. . In this case, when the camera unit 110 is located inside the automatic shading cartridge, the welding image frame may be obtained by changing the shading degree of the automatic shading cartridge installed on the front side of the camera.

In this case, the control unit 150 maintains the same shooting conditions of the camera 110, and changes the degree of light blocking, so that the frames a11 to a13, a21, and d11 having a difference in contrast ratio as in FIGS. 11 to 14 To d13, e11 to e13, etc.) can be obtained.

15 is a diagram illustrating a method of providing a welding image to a display unit according to another exemplary embodiment of the present invention.

Referring to FIG. 15, the camera unit 110 according to the embodiment may include a first camera, a second camera, and a third camera. The display unit 130 may include a first eyepiece display 132-1 and a second eyepiece display 132-2. In this case, the first camera may be a camera corresponding to the first eyepiece display 132-1, the second camera may be a camera corresponding to the second eyepiece display 132-2, and the third camera is a thermal image. It may be a detection camera.

The first eyepiece display 132-1 and the second eyepiece display 132-2 according to the embodiment may display a high-definition composite image to which an HDR technique is applied based on images acquired by the first and second cameras.

According to an embodiment, the control unit 150 may acquire a thermal image synthesis image obtained by additionally synthesizing the thermal image image acquired by the third camera to the high-definition synthesis image. The first eyepiece display 132-1 and the second eyepiece display 132-2 may respectively display a thermal image synthesis image. In this case, the first eyepiece display 132-1 and the second eyepiece display 132-2 may provide visual information on the welding temperature using color.

According to an embodiment, the first eyepiece display 132-1 may display different images. For example, an image to which the HDR technique is not applied may be displayed on the first eyepiece display 132-1, and a composite image to which the HDR technique is applied may be displayed on the second eyepiece display 132-2. Even in this case, the control unit 150 may synthesize a thermal image image to each of the image to which the HDR technique is not applied and the synthesized image to which the HDR technique is applied, and the first eyepiece display 132-1 and the second eyepiece display 132 -2) can control the display unit 130 to display on each.

16 is a diagram for describing an embodiment of displaying welding information according to another embodiment.

The control unit 150 according to the embodiment may provide feedback on the state of the welding current and/or voltage in the welding power cable based on welding information sensed from the welding torch 200. Specifically, referring to FIG. 16, the control unit 150 may provide a UI for a current state on a portion of an image screen displayed by the display unit 130. In this case, the UI may display information in a preset color using RGB.

For example, when it is detected that the current and/or voltage state of the welding torch 200 is abnormal, the welding information providing apparatus 100 according to the embodiment may display the red UI 1010 as a visual feedback for warning. In other cases, the green UI 1020 may be displayed.

The control unit 150 may provide feedback on various welding information in addition to the current state. For example, as shown in FIGS. 17A and 17B, the apparatus 100 for providing welding information may guide a UI for a welding direction of a torch through visual feedback.

Referring to FIG. 17A, the control unit 150 may display information on a welding direction as an arrow UI 1110. Specifically, the control unit 150 may display information as a straight arrow for each welding direction worked in a straight line based on information sensed through an acceleration sensor included in the welding torch 200 and provide it to an operator.

Alternatively, referring to FIG. 17B, the control unit 150 may display information on the welding direction as a curved arrow UI 1110. Specifically, based on the information detected through the acceleration sensor included in the welding torch 200, the control unit 150 forms the previously-worked welding direction as a curved arrow and displays it through the display unit 130 to the operator. Can provide.

However, this is only an example, and the control unit 150 is used for welding temperature, welding slope, welding speed, and base material for a real-time welding operation sensed through at least one sensor 220 included in the welding torch 200. A UI corresponding thereto may be displayed on a partial area of the display unit 130 based on sensing information including a distance between torches and the like.

For example, when receiving sensing information on a welding temperature value, the control unit 150 may display a UI corresponding to the temperature value in various ways such as light, vibration, and message. In this case, the UI may be visual feedback displayed on the display unit 130 or on a partial area of the display, or may be audible feedback through voice.

Meanwhile, the sensing information on the temperature value may include whether or not the temperature of the mother agent exceeds a preset temperature range. In addition, the sensing information on the temperature value may include a numerical value, a grade, and a level corresponding to the temperature value of the welding surface.

When it is determined that the temperature value of the welding base material is out of a preset temperature range, the control unit 150 according to the embodiment may guide the operator to stop the work. In the case of welding outside the preset temperature range, there is a risk of quality deterioration, and thus, the operator can be guided so that the temperature value of the welding base material can be adjusted.

As another example, when receiving detection information on a welding speed value, the control unit 150 may display a UI corresponding to the value. In this case, the UI may be visual feedback provided to the display unit 130 or the display, or may be audible feedback through voice.

If it is determined that the welding speed of the torch is out of the normal range, the control unit 150 according to another embodiment may guide the operator to stop the work through visual feedback. In this case, the visual feedback may be to provide an icon indicating danger to a partial area of the display unit displaying the work site.

As another example, the control unit 150 may provide a UI so that a worker can easily identify a shape corresponding to a previously-worked welding bead. Specifically, when the shape of the welding bead is detected, the first control unit 150 may display a high-definition composite image by overlapping the UI for the shape of the welding bead.

In this case, the shape of the welding bead may be obtained by detecting the residual temperature of the mother material after the welding operation through the thermal imaging camera included in the welding information providing apparatus 100. This is only an exemplary embodiment, and the apparatus 100 for providing welding information may obtain a shape of a welding bead through various methods.

All the embodiments described in the present specification may be applied to each other in combination with each other.

Meanwhile, although the welding information providing apparatus 100 of the above-described embodiments is used for a welding operation, the present invention is not necessarily limited thereto. That is, the welding information providing device 100 of the above-described embodiments may be implemented as an information providing device, and the information providing device may be used as an information providing device for medical and/or skin treatment as it is in the above-described configuration. . That is, when irradiating high-intensity/high-intensity light such as laser light, the user uses the medical and/or skin treatment information providing device as described above to localize only the area including the high-intensity/high-illuminance light spot. By dark filtering, you can perform the task while accurately observing the light spot without glare. In addition, the present invention can also be used as an information providing device in a variety of tasks for irradiating light of high luminance/high luminance.

As described above, the present invention has been described with reference to the embodiments shown in the drawings, but these are only exemplary, and those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom. . Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

Claims (5)

A main body provided to be wearable by a user;
A display unit disposed on the main body and including a portion facing the user;
At least one camera unit facing the outside of the main body and generating an image of a welding operation;
A sensor unit disposed outside the main body and including a module configured to detect a degree of light in at least a welding work area; And
Including; a control unit operatively communicated with the display unit, the camera unit, and the sensor unit, and provided to provide the image toward a portion facing the user of the display unit,
The control unit,
An image receiving unit for receiving a first image generated from the camera unit;
An image area sensing unit sensing at least one image area for the welding operation in the first image; And
And an image generator configured to generate a second image in which the image region is processed from the first image. The method of claim 1,
The image area sensing unit,
A welding information providing apparatus comprising a luminance detector configured to detect luminance of the first image area. The method of claim 1,
The image area sensing unit,
Welding information providing apparatus including a point detection unit for detecting a point of the first image area. The method of claim 1,
The image area sensing unit,
Welding information providing apparatus comprising a size detection unit for detecting the size of the first image area. The method according to any one of claims 1 to 4,
The control unit further comprises an image selection unit configured to select an image by reflecting at least the detected light intensity within the welding work area.

Images