KR102319373B1 - Welding information providing apparatus - Google Patents

Abstract

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, and the outside of the main body a portion of the display unit in operative communication with the display unit, the camera unit, and the sensor unit, the sensor unit including a module configured to detect a degree of light at least within the welding work area, and in operable communication with the display unit, and directing the image to a user of the display unit It relates to a welding information providing apparatus including a control unit provided to provide toward the.

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, in order to check various information for welding such as the conditions set in the welding device, it is a hassle to remove the protective equipment and visually check it There is this.

When the skill level of the operator is not high, in particular, when the automatic welding surface and the manual welding surface are worn, only the part adjacent to the welding light can be seen by the operator, and it is difficult to recognize the specific welding situation such as the welding environment. Accordingly, it is necessary to provide the operator with a high-definition image that the operator can visually check up to the welding environment, and to provide the operator with detailed information about welding state information.

Moreover, during welding, the illuminance/brightness of the welding light spot is very high, so a blackening filter is used to protect the operator's eyes from the welding light spot and to make the welding work smoothly. In this case, the area other than the welding light spot is not visible at all, making welding very difficult, and the accuracy of welding may be rather deteriorated.

The above problem can give the same problem to medical staff not only in welding work, but also in skin treatment and/or medical treatment using high-brightness/high-intensity light such as laser light, but also in work using other high-brightness/high-intensity light. equally problematic.

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 the welding spot as well as the welding surrounding environment to the operator in accordance with the above-mentioned necessity.

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

The present invention can make it 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 thereto.

According to an embodiment of the present invention, at least a main body provided so as to be worn by a user, a display unit disposed on the main body and including a portion facing the user, facing the outside of the main body and generating an image for a welding operation a sensor unit including a camera unit and a module disposed outside the body and configured to detect a light intensity at least within a welding work area; in operative communication with the display unit, the camera unit, and the sensor unit; and a control unit provided to provide an image toward the user-facing portion of the display unit, wherein the control unit includes: an image receiving unit for receiving a first image generated from the camera unit; There is provided an apparatus for providing welding information including an image region sensing unit sensing at least one image region, and an image generating unit generating a second image in which the image region is processed from the first image.

The image region sensing unit may include a luminance detector configured to detect the luminance of the first image region.

The image area sensing unit may include a point detecting unit detecting a point of the first image area.

The image area sensing unit may include a size detecting unit detecting a size of the first image area.

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

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

According to the present invention, by synthesizing pictures taken under various shooting conditions, it is possible to provide a high-definition image that can easily identify the welding environment in addition to the portion adjacent to the welding light.

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

By partially and/or relatively darkly filtering the part showing high luminance in the image acquired from the camera unit, especially the welding light spot, it is easy to observe the welding light spot during welding operation, so even a beginner can weld with high difficulty Not only can the operation be performed easily, but also the degree of purification and/or quality of welding can be improved.

In addition, since it is easy to observe the surrounding area during the welding operation, the safety level 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.
Figure 2 is a simplified block diagram for explaining the components of the 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 embodiment of an image area sensing unit.
5 is a block diagram specifically illustrating an image display method by a welding information providing apparatus according to an exemplary embodiment.
6A to 6C are diagrams illustrating the first image, the first image region, and the second image described in FIG. 5 .
7 is a block diagram illustrating a control unit according to another embodiment of the present invention.
8 is a block diagram specifically 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 a display unit.
11 is a diagram for explaining that a camera acquires an image according to an embodiment.
12A and 12B are diagrams for explaining that the control unit synthesizes the acquired image as in FIG. 11 and improves the quality of the synthesized image, according to an embodiment.
13 is a diagram for explaining that a camera acquires an image according to another embodiment.
FIG. 14 is a diagram for explaining a method of synthesizing the captured images obtained in FIG. 13 .
15 is a diagram for explaining a method of providing an image to a display unit according to another exemplary embodiment.
16 is a view for explaining an embodiment of displaying welding information according to another embodiment.
17A and 17B are diagrams for explaining that the welding information providing apparatus guides the UI for the welding direction of the torch through visual feedback.

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

“Includes,” which can be used in various embodiments of the present disclosure. or "may include." The expression “etc” indicates the existence of the disclosed function, operation, or component, and does not limit one or more additional functions, operations, or components. Also, in various embodiments of the present disclosure, "includes." Or "have." The term such as is intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and is intended to indicate that one or more other features or numbers, steps, operation, component, part or It should be understood that it does not preclude the possibility of the existence or addition of combinations thereof.

Expressions such as “first”, “second”, “first”, or “second” used in various embodiments of the present disclosure may modify various components of various embodiments, but do not limit the components. does not For example, the above expressions do not limit the order and/or importance of corresponding components. The above expressions may be used to distinguish one component from another. For example, both the first user device and the second user device are user devices, and represent different user devices. For example, without departing from the scope of the various embodiments of the present disclosure, a first component may be referred to as a second component, and similarly, a second component may also 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 to or connected to the other component, but may be associated with the component. It should be understood that other new 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 an embodiment of the present disclosure, terms such as "unit", "part", etc. are terms for referring to a component that performs at least one function or operation, and such component is implemented as hardware or software, or hardware and It can be implemented by 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 needs to be implemented as individual specific hardware. have.

Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in various embodiments of the present disclosure, ideal or excessively formal terms not interpreted as 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 operated by matching one-to-one, but is not limited thereto, and a one-to-n relationship is possible. That is, one welding information providing apparatus 100 may be implemented by connecting n welding torches 200 , and one welding torches 200 may be connected to n welding information providing apparatus 100 by being implemented. can be In addition, the welding information providing apparatus 100 and the welding torch 200 may communicate with a separate server (not shown) to exchange data.

The welding information providing apparatus 100 may provide information on a welding situation to a worker. Specifically, the welding information providing apparatus 100 may obtain a welding image obtained using at least one camera unit mounted on the welding information providing apparatus 100 , generate a composite image based on the obtained welding image, and display it to the operator. . In this case, the operator may be able to visually check information about the shape of the welding bead and the surrounding environment other than the portion 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 that allows an operator to perform a welding operation, and includes a welding temperature, a welding direction, a welding slope, a welding speed, and a base material and a welding torch for real-time welding operations. A welding condition 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 the set value of the torch operation according to the welding situation.

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

For example, upon receiving sensing information on the 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 a visual feedback provided on the display unit or display of the welding information providing apparatus 100 , or may be an audible feedback through a sound (eg, a guide alarm) or a guide voice.

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

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

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

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

According to an embodiment of the present invention, the welding information providing apparatus 100 includes at least one sensor (eg, a second sensor) included in the welding torch 200 , in addition to a sensor ( For example, welding information may be sensed through the first sensor). In this case, the welding information may detect a welding situation including a light level related to a real-time welding operation, a welding temperature, a welding direction, a welding inclination, 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 device among all types of sensing devices capable of detecting a change in state thereof. For example, an acceleration sensor, a gyro sensor, an illuminance sensor, a proximity sensor, a pressure sensor, a noise sensor, a video sensor Sensor), and/or may be configured to include at least one sensor among various sensing devices such as a gravity sensor. The degree of light in the welding work area sensed by the illuminance sensor of the welding torch 200 may be transmitted to the control unit 150 through the communication unit, and the control unit 150 is the sensor unit ( 140 , the lighting unit and/or the camera unit 110 may be controlled 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 of gravity. 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 detect various changes related to the welding work environment. .

Similarly, the welding information providing apparatus 100 may provide guiding corresponding to the 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 after guiding for stopping work is provided. .

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

The above-described example only describes 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 welding information providing apparatus 100 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 taking 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 welding information providing apparatus 100 . As an example, the first camera and the second camera among the cameras 110 may be symmetrically mounted on one region of the front portion 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 photograph the 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 photographing settings, respectively.

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 light-shielding cartridge can block the welding light generated when a worker's welding occurs. That is, the automatic light blocking cartridge (not shown) may increase the light blocking degree of the cartridge by blackening based on welding light information sensed by the sensor unit 140 , for example, a photo sensor. In this case, the automatic light blocking cartridge may include, for example, a liquid crystal protection panel (LCD panel) in which the degree of blackening can be adjusted 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 VA (Vertical Align) type LCD, TN (Twist Nematic) type LCD, IPS (In Plane Switching) type LCD.

The blackening degree of the automatic light blocking 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. The sensor unit 140 acquires welding light information by detecting the intensity of the welding light, and transmits information on the strength of the welding light included in the welding light information as a predetermined electrical signal to the control unit 150 to be described later. The control unit 150 may control the degree of blackening based on the intensity of the welding light.

That is, the automatic light blocking cartridge (not shown) can change the light blocking degree of the panel in real time to correspond to the intensity of light generated on the welding surface of the welding work site, etc., and the camera unit 110 is installed in the automatic light blocking cartridge installed on the front A welding image in which a certain amount of the welding light is shielded by this method can be captured.

According to another embodiment of the present invention, the welding information providing apparatus 100 may have a structure in which the camera unit 110 is located adjacent to the automatic light blocking cartridge. Also optionally, the welding information providing apparatus 100 according to another embodiment may not include an automatic light blocking cartridge. In this case, the user may perform the 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 acquire 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 drawings, 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 operation area, and is turned off when the welding operation is started by the control unit 150, and when not welding, its brightness is decreased by illuminance sensing by the sensor unit 140 It may be automatically adjusted so as to be optimized for shooting by the camera unit 110 .

The display unit 130 is configured to provide a high-quality welding image to the operator. Specifically, 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 as various types of display devices capable of providing an image to an operator.

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

The display included in the display unit 130 includes various displays such as a Liquid Crystal Display (LCD), Organic Light Emitting Diodes (OLED), Light-Emitting Diode (LED), Liquid Crystal on Silicon (LcoS), or Digital Light Processing (DLP). technology can be implemented. 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, the present invention 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 acquire 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 an interval between the base material and the welding torch. Furthermore, the sensor unit 140 may include an optical sensor module configured to detect a light level at least within the welding work area.

According to an embodiment of the present invention, the sensor unit 140 may include an illuminance sensor, and in this case, the sensor unit 140 may obtain information on the welding light intensity at the welding site. The sensor unit 140 may include, in addition to an illuminance sensor, an acceleration sensor, a proximity sensor, a noise sensor, a video sensor, an ultrasonic sensor, an RF sensor, and/or a gravity sensor. It may further include a type of sensor, and may detect various changes related to the welding work environment.

The control unit 150 may generate a high-quality composite image by synthesizing the welding image frame received through the camera unit 110 . The control unit 150 may obtain a composite image by parallelly synthesizing the frames obtained by the camera unit 110 to set different shooting conditions for each frame and chronologically. Specifically, the control unit 150 may control the camera unit 110 to take pictures by changing the shutter speed, ISO sensitivity, GAIN, and the like of the camera unit 110 .

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

The control unit 150 may combine 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 photographing conditions.

When there are two or more camera units 110 , the control unit 150 according to an embodiment of the present invention may control shooting by setting different shooting setting conditions for 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, a RAM, a ROM, and a system bus. Here, the ROM is a configuration in which a command set for system booting is stored, and the CPU copies the operating system stored in the memory of the welding information providing apparatus 100 to the RAM according to the command stored in the ROM, and executes O/S to configure the system. boot up When booting is complete, the CPU copies various applications stored in the memory to the RAM and executes them to perform various operations. Although it has been described above that the control unit 150 includes only one CPU, 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) for processing a digital signal. However, without being limited thereto, a central processing unit (CPU), a micro controller unit (MCU), a micro processing unit (MPU), an application processor (application processor (AP)), and/or a communication processor (communication processor (CP)), may include one or more of an ARM processor, or may be defined by a corresponding term. In addition, the control unit 150 is a SoC (System on Chip), LSI (Large) in which a processing algorithm is embedded. scale integration) or may be implemented in the form of a field programmable gate array (FPGA), in addition to this, the control unit 150 may further include various memory devices.

3 is a block diagram of an embodiment of the control unit 150 . According to a more specific embodiment shown in FIG. 3 , the control unit 150 includes a light index calculation unit 151 , an image receiving unit 152 , an image area sensing unit 153 , a comparison unit 154 , and an image It may include a generator 155 , an image generator 156 , and an image selector 157 .

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

The image receiving unit 152 receives an image generated by 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 from the welding image received by the image receiving unit 152 . According to an embodiment, the image area sensing unit 153 senses a characteristic of the image area. The image area sensing unit 153 may detect a pixel having a higher luminance or a pixel having the highest luminance compared to a surrounding area in the welding image.

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

The image generator 155 generates a second image related to the welding operation. The image generator 155 may generate an appropriate second image according to a command from the comparator 154 . However, the present invention is not necessarily limited thereto, and the second image may be pre-stored.

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

The luminance detection unit 1531 detects luminance and/or luminance distribution of an image area. The luminance detection of the image region may be performed through analysis of the luminance of pixels constituting the image region. According to a more specific embodiment, a predetermined luminance range around a pixel having a higher luminance compared to the peripheral region in the image It is possible to detect the distribution of pixels within. Optionally, the luminance detection unit 1531 may detect a distribution of pixels within a predetermined luminance range around a pixel having the highest luminance in the image.

The size detection unit 1532 detects the size of the image area. The size detection of the image region may be performed through analysis of the distribution of pixels constituting the image region. According to a more specific embodiment, a predetermined area range around a pixel having a higher luminance compared to the surrounding region in the image It is possible to detect the size of the distribution of pixels within. Optionally, the size detector 1532 may detect the size of the distribution of pixels within a predetermined area around the pixel having the highest luminance in the image.

The point detection unit 1533 detects a point in the image area. The detection of a point in the image region may be performed through analysis of the positions of pixels constituting the image region, and according to a more specific embodiment, a certain luminance range around a pixel having a higher luminance compared to the peripheral region in the image It is possible to detect a point where the distribution of pixels in the image is located in the image. Optionally, the size detector 1532 may detect a point in the image at which a distribution of pixels within a predetermined luminance range around the pixel having the highest luminance 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 necessarily limited thereto. 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 programmable driving area constituting the control unit 150 .

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

5 is a block diagram specifically illustrating an image display method by the welding information providing apparatus 100 according to an exemplary embodiment. 6A to 6C are diagrams illustrating the first image, the first image region, and the 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 light intensity may correspond to illuminance data in the welding work area. The light level is not necessarily detected 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 light intensity is transmitted to the control unit 150 , the control unit 150 , in particular the light index calculation unit 151 , calculates a 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 to be welded 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 will be described below.

The control unit 150, particularly the comparison unit 154, compares the light 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, and the above-described threshold value corresponds to the type of welding and/or the state of the welding generating the lowest illuminance value among them. It can be a value 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 value, 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 is 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 exemplary embodiment, the first image area 1001 may be an area including pixels within a predetermined range centered on a pixel having a higher luminance than the peripheral 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 . may include. Optionally, the characteristic of the first image region 1001 may be a pixel having a higher luminance or a pixel having the highest luminance compared to the peripheral region 1002 in the welding image.

The image area sensing unit 153 may detect a pixel having a higher luminance or a pixel having the highest luminance compared to the peripheral area 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 may be included in the welding light spot S image.

The image region sensing unit 153 may detect the luminance and/or luminance distribution of the first image region 1001 by the luminance detection unit 1531 . According to a more specific embodiment, the luminance detector 1531 may detect a distribution of pixels within a predetermined luminance range around a pixel having a higher luminance than that of the peripheral region 1002 in the first image 1000 . can Optionally, the luminance detector 1531 may detect a distribution of pixels within a predetermined luminance range around a 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 detecting unit 1532 . According to a more specific embodiment, the size detector 1532 detects the size of the distribution of pixels within a predetermined area around a pixel having a higher luminance than that of the peripheral area 1002 in the first image 1000 . can do. Optionally, the size detector 1532 may detect a size of a distribution of pixels within a predetermined area around a 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, in the first image 1000 , the point detector 1533 determines that a distribution of pixels within a predetermined luminance range around a pixel having a higher luminance than that of the peripheral region 1002 in the first image 1000 is the first. A point located in the image 1000 may be detected. Optionally, the size detector 1532 is configured to detect a point in the first image 1000 at which a distribution of pixels within a predetermined luminance range around a pixel having the highest luminance in the first image 1000 is located in the first image 1000 . can be detected.

After sensing the first image region 1001 and detecting its characteristics, for example, luminance, size, and/or point, the control unit 150 , particularly the comparison unit 154 , controls the first image region 1001 . It compares with a predetermined second threshold value (S43). According to an exemplary embodiment, the comparator 154 of the control unit 150 may compare the luminance value of the pixel having the highest luminance of the first image region 1001 with a second threshold value. The second threshold value may correspond to a luminance value of the 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 value corresponds to the type of welding and/or the state of the welding generating the lowest luminance value among them. It can be a value However, the present invention is not necessarily limited thereto, and the second 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.

If the characteristic of the first image region 1001 is higher than the second threshold value, the comparator 154 causes the image generator 155 to generate the second image 2001 ( S46 ). The second image 2001 corresponds to an image capable of darkly filtering the luminance value of the first image region 1001 to a certain extent, and is formed to correspond to the size of the first image region 1001 . Optionally, the second image 2001 is not necessarily newly created by the image generating unit 155 , and an image having a predetermined filtering value and stored therein may be generated by changing the size and/or shape thereof.

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 with the position of the first image region 1001 .

As shown in FIG. 6C , by combining the second image 2001 with the first image 1000, a second image 2000 is generated (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 detects the welding light spot S included in the second image 2000 without glare. Welding can be performed while observing. In addition, since the region including the welding light spot S does not have a large difference in luminance from the peripheral region 2002, the welding operation can be performed while also observing the peripheral region 2002, so 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 area sensing unit 153 senses the first image area 1001 with the pixel having the highest luminance in the first image 1000 as the center, and 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 is not sensed as an image area and the control unit 150 may not perform a separate process. have. However, the present invention is not necessarily limited thereto, and according to another embodiment of the present invention, the second light spot 1004 present in the first image 1000 may also have a luminance difference greater than a certain level from that of the peripheral area 1002 . In this case, it may be processed to be darkly filtered by processing the image region as described above.

The second image 2000 generated as described 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 aforementioned first image region 1001 is less than the second threshold value, the image selection unit 157 reports that the corresponding light spot is not a welding light spot. The first image 1000 that is not subjected to separate dark filtering image processing may be selected and provided to the display unit 130 .

And, when the light index is smaller than the first threshold value in step S3, it is considered that the welding operation is not performed, and the image selection unit 157 is a third image captured by the camera unit 110 in a state lit by lighting. may be selected and 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 light blocking cartridge separately installed in the welding information providing apparatus 100 . can be provided.

7 is a block diagram illustrating the 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 generation unit 155 , but may include an image area processing unit 158 .

The image region processing unit 158 may perform a process of lowering the luminance value of each pixel existing in the sensed image region to a certain extent. Accordingly, it is possible to obtain an effect that the image area is darkly filtered.

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

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

However, as a result of the control unit 150 , particularly the comparison unit 154 comparing the first image region 1001 with a predetermined second threshold value ( S43 ), the characteristic of the first image region 1001 is determined to be the second threshold value. If the value 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 the luminance values of each of the pixels constituting the first image area 1001 . Accordingly, the first image region 1001 may be the second image region 2003 composed of blackened pixels as shown in FIG. 6C , and as in the above-described embodiment, the first image region 1001 is The second image 2001 is generated as a second image 2000 that can obtain the same effect as the combined form (S46).

Since the remaining components are the same as those of the above-described embodiment shown in FIG. 5 , a detailed description thereof will be omitted.

In this way, the embodiments of the present invention partially and/or relatively darkly filter the portion showing high luminance in the image obtained from the camera unit 110, particularly the welding light spot, so that it is easy to observe the welding light spot during the welding operation. Therefore, even a beginner can easily perform a difficult welding operation, as well as increase the purification and/or quality of welding. In addition, since it is easy to observe the surrounding area during the welding operation, it is possible to further increase the safety during the welding operation.

9A to 9C are perspective views illustrating an apparatus for providing welding information in which a camera unit is mounted according to another exemplary embodiment.

Referring to FIG. 9A , the welding information providing apparatus 100 according to an embodiment of the present invention is mounted on a main body 160 , a display unit 130 installed on the main body 160 , and one area of a front portion of the main body 160 . The 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. 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 area (the area shown in FIG. 9A ) corresponding to the direction in which the welding operation is performed. Conversely, the rear surface of the display unit 130 may be an inner region corresponding to the face direction of the operator. 9A , the camera unit 110 is illustrated as being installed on the upper portion of the main body 160 , but the present invention is not limited thereto, and may be mounted on a portion of the display unit 130 .

In FIG. 9A , the at least one sensor unit 140 is illustrated as being mounted on one area of the front part of the display unit 130 , but according to an embodiment of the present invention, the sensor unit 140 is mounted on the body 160 . it could be At this time, the sensor unit 140 may be mounted in the front direction of the body 160 to detect the welding situation.

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

The fixing unit 170 is a configuration in direct contact with the operator's head, and at least a portion of one side of the fixing portion 170, that is, 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.

A light may be further positioned adjacent to the camera unit 110 . This illumination may be provided to illuminate the image capturing target of the camera unit 110 .

Referring to FIG. 9B , the welding information providing apparatus 100 according to an embodiment of the present invention is mounted on a main body 160 , a display unit 130 installed on the main body 160 , and one area of the front portion 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 disposed on the rear surface of the main body 160 to fix the welding information providing apparatus 100 to the operator's head. have.

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

Referring to FIG. 9C , the main body 160 for protecting the face of an operator of the present invention may include a display unit 130 and a sensor unit 140 installed on the 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 . Also, the welding information providing apparatus 100 may include a fixing part 170 disposed on the rear surface of the main body 160 to fix the welding information providing apparatus 100 to the head of the operator.

In particular, the camera unit 110 is implemented with two cameras, and may be respectively mounted on both sides of the main body 160 in a direction corresponding to the working direction of the operator. Although not shown in this drawing, when the number of cameras 110 is odd, it 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.

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

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

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

Referring to FIG. 10 , the display unit 130 may be implemented as a separate structure detachable 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 face of the operator. The operator may closely attach 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 the high-definition composite image implemented on the eyepiece display 132 so that the image is easily formed on the user's eyes.

Meanwhile, according to an embodiment of the present invention, the display unit 130 displays a welding image synthesized based on an image obtained by the camera unit 110 corresponding to each eye side on the eyepiece display 132 corresponding to each eye side. can be displayed in

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

As described above, it is possible to provide a three-dimensional and fluid composite image compared to displaying the same composite image in both eyes. However, this is only an example, and each eyepiece display 132 may 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 shown in the drawings, and a transparent screen member is disposed in front of the eyes, and the display unit 130 may have a structure in which an image is projected onto the screen member. Of course, in this case, an automatic light blocking cartridge is provided in front of the screen member to block the welding light generated when welding occurs by the operator.

9A to 10 described above, the 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 body is provided to cover only the user's face It may include various structures that can be worn by a user, such as in the form of goggles or glasses.

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 drawings, a fourth frame may be further provided, and in this case, it may be photographed under the fourth photographing condition. In this example, the first camera and the second camera take pictures in the same frame under the same shooting conditions.

For example, the first shooting condition may include shooting with a faster shutter speed, high sensitivity, and high gain compared to the second shooting condition, and the third shooting condition may have a slower shutter speed and low sensitivity compared to 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 shooting conditions.

12A and 12B are diagrams for explaining that the control unit synthesizes the acquired image as in FIG. 11 and improves the quality of the synthesized image according to an 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 the 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. Specifically, the control unit 150 may obtain the first intermediate synthesized image b1 by synthesizing the first frame a11 and the second frame a12 . Also, the controller 150 may obtain a second intermediate composite image b2 by synthesizing the second frame a12 and the third frame a13 .

The controller 150 may obtain the first synthesized image c1 by synthesizing the first intermediate synthesized image b1 and the second intermediate synthesized image b2 .

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

As described above, according to an embodiment of the present invention, a high-quality composite image can be obtained by synthesizing pictures taken under various shooting conditions in the HDR method. Through the above-described high-definition composite image, there is an effect that the operator can easily identify a peripheral portion other than a portion adjacent to the welding light spot. That is, conventionally, the brightness of the welding light is overwhelmingly brighter than that of the surrounding portion, so there is a problem that it is not possible to easily identify the shape of the previously worked welding bead and the welding environment. can also be easily identified.

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

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

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

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 take pictures in the same frame under different shooting conditions.

For example, the first shooting condition may have a faster shutter speed, high sensitivity, and high gain settings compared to the second shooting condition, and the third shooting condition may be a slower shutter speed and low sensitivity and low gain setting. can However, the above-described example is only an example, and the camera unit 110 may acquire an image under various shooting conditions.

FIG. 14 is a diagram for explaining a method of synthesizing the captured images obtained in FIG. 13 .

Referring to FIG. 14 , the controller 150 may obtain a first intermediate composite image f1 by synthesizing a first frame d11 of the first camera and a first frame e12 of the second camera. Also, the controller 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 controller 150 may generate the first synthesized image g1 by synthesizing the first intermediate synthesized image f1 and the second intermediate synthesized image f2. Similarly, the controller 150 may obtain the second synthesized image g2 by synthesizing the second intermediate synthesized image f2 and the third intermediate synthesized 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, there is an effect that the welding light in the welding image can be easily identified by synthesizing the pictures taken under various shooting conditions in the HDR method.

Meanwhile, the control unit 150 may perform the first synthesized image g1 and the second synthesized image g2 in parallel. According to the present invention, the control unit 150 performs image synthesis in parallel at the same time that the first camera and the second camera photograph the frame, so that a plurality of frames are photographed through the camera unit 110 at the same speed. can acquire a composite image of

According to an embodiment of the present invention, the control unit 150 may display the composite image only on one side of the display unit 130 including the binocular display. For example, a composite image obtained by synthesizing an image obtained through the first camera by the method of FIG. 6A may be displayed on the display of the eyepiece display 132 corresponding to the first camera. On the other hand, the synthesized 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 of the welding surface is corrected by the HDR method to only one display of the eyepiece display 132 .

In FIGS. 11 to 14 , it has been described that a welding scene image or a welding image frame is acquired by changing the shooting conditions of the camera unit 110 for each 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 obtained through the sensor unit 140 . . At this time, when the camera unit 110 is located inside the automatic light blocking cartridge, the welding image frame can be obtained by changing the light blocking degree of the automatic light blocking cartridge installed in the front of the camera.

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

15 is a view for explaining a method of providing a welding image to a display unit according to another 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 may be a thermal image. It may be a sensing camera.

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

According to an embodiment, the controller 150 may acquire a thermal image synthesized image obtained by further synthesizing a thermal image obtained by the third camera to a high-quality synthesized image. The first eyepiece display 132-1 and the second eyepiece display 132-2 may display a thermal image composite image, respectively. 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 synthesized image to which the HDR technique is applied may be displayed on the second eyepiece display 132-2. Even in this case, the controller 150 may synthesize a thermal image image with 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) may control the display unit 130 to display on each.

16 is a view for explaining 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 by the welding torch 200 . Specifically, referring to FIG. 16 , the control unit 150 may provide a UI for the current state to a portion of the 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 the current and/or voltage state of the welding torch 200 is detected as abnormal, the welding information providing apparatus 100 according to the embodiment may display a red UI 1010 as visual feedback for a 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 welding information providing apparatus 100 may guide the UI for the welding direction of the torch through visual feedback.

Referring to FIG. 17A , the control unit 150 may display information on the 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 the 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 sensed 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 inform the operator. can provide

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

For example, upon receiving the sensing information on the 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 a visual feedback displayed on the display unit 130 or a portion of the display, or may be an auditory feedback through a voice.

Meanwhile, the sensing information on the temperature value may include whether the temperature of the mother material exceeds a preset temperature range, and the like. In addition, the sensing information about the temperature value may include a numerical value, a grade, a level, etc. 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 operation. In the case of welding out of the preset temperature range, there is a risk of quality deterioration, so the operator can guide so that the temperature value of the welding base material can be adjusted.

As another example, when the control unit 150 receives sensing information about the welding speed value, the control unit 150 may display a UI corresponding to the value. In this case, the UI may be a visual feedback provided to the display unit 130 or the display, or may be an auditory feedback through a voice.

When 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 operation through visual feedback. In this case, the visual feedback may be to provide an icon indicating danger to a portion of the display unit displaying the work site.

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

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

All of the embodiments described in this specification may be applied in combination to each other in other embodiments.

Meanwhile, although the welding information providing apparatus 100 of the above-described embodiments has been exemplified for use in a welding operation, the present invention is not necessarily limited thereto. That is, the welding information providing apparatus 100 of the above-described embodiments may be implemented as an information providing apparatus, and the information providing apparatus may be used as an information providing apparatus for medical and/or skin treatment as it is, for example, as described above. . 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-brightness/high-intensity light spot. By dark filtering with , it is possible to perform work while accurately observing the light spot without glare. The present invention can also be used as an information providing device in various other tasks of irradiating light of high luminance/high luminance in addition to this.

As such, the present invention has been described with reference to the embodiments shown in the drawings, which are merely exemplary, and those skilled 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 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 body, the sensor unit including a module configured to detect a light level at least within the welding work area; and
a control unit provided 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;
The control unit,
an image selection unit for selecting a first image or a third image based on a comparison result of the light intensity detected by the sensor unit and a preset threshold;
an image receiving unit for receiving the first image generated from the camera unit;
an image area sensing unit for sensing at least one image area for the welding operation in the first image; and
and an image generator generating a second image in which the image region is processed from the first image. According to claim 1,
The image area sensing unit,
and a luminance detector configured to detect luminance of a first image region included in the first image. According to claim 1,
The image area sensing unit,
and a point detector configured to detect a point of a first image region included in the first image. According to claim 1,
The image area sensing unit,
and a size detector configured to detect a size of a first image region included in the first image. delete

Images