TH68889B - Systems and methods for monitoring the welding status. - Google Patents

Abstract

------ 16/07/2018 ------ (OCR) Page 1 of 1 page Summary of invention This invention provides a system and method for observing the melting state for enabling observation. Melting state, collision state Or other status Of the five fire resistance tubes in a straight-welded manner, more precisely than in the past, that is, 23 mirrors were arranged at the ends. The front inside the container 21 receives the light emitted by the welded part 5 of the tubular steel strip 1 itself through heat-resistant glass 22 from the lateral direction and is reflected on the welded part 5 of the tubular steel strip. 1 In the direction of the relay lens 24, a 1 is arranged at the base end 1 of the relay unit 13. Relay lens 24 conveys the image at the junction 5 of the tubular steel strip 1 to the conversion lens 12. Plots 12 will produce that image on the imaging area of CCD camera 11, therefore it is possible It is possible to capture the weld section 5 of the tubular steel strip 1 from the side direction, with a sharp contrast according to the contrast of the CCD 11 camera, and it is possible to obtain the information on the weld. 5 of the tube-shaped steel strip 1 that is more accurate than the past and is straight welded ------------ The invention provides a system and method for observing the melting state for enabling Observe the melting state, the collision state. Or other status Of pipes welded by electric resistance In a straight weld, more precisely than in the past, ie 23 mirrors, which were arranged at the end The face inside the container 21 receives the light emitted by the welded section 5 of the tubular steel strip 1 itself through the heat-resistant glass 22 from the lateral direction and reflects the image at the weld 5 of the tubular steel strip 1 in the direction of the lens. Relay 24, which is arranged at the base end of the relay lens unit 13 The relay lens 24 conveys the image at the connecting part 5 of the tubular steel strip 1 to the conversion lens 12, and the conversion lens 12 produces the image. On the imaging area of a CCD camera 11, therefore it is possible to It captures the weld section 5 of the tubular steel strip 1 from the lateral direction with a sharp contrast in accordance with the The clarity of CCD cameras 11 and it is therefore possible to obtain more accurate information on welding part 5 of the 1 tube shaped steel bar than in the past and in a straight weld manner.

Claims (3)

Disclaimer (all) which will not appear on the advertisement page: EDIT 21/03/2019 No disclaimer ---------- ------ 16/07 / 2018-- ---- (OCR) Page 1 of 6 Pages. Claims 1. A system for monitoring the production status of electric resistance welded pipes in which the machine observes the status of the welded sections in a straight weld manner when forming the sheets. Steel forms a tube and welding two ends of the steel plate to produce electrically welded pipes. The system for observing the production status of such electrically welded pipes is characterized by a visual path for obtaining images from the light emitted from the surface of the steel plate. At the said weld from the side of the said welding process, an analytical path for analyzing the status of the steel plate at the said weld in the measuring area where The width and the second measurement area in the direction along the sheet thickness, based on the visual data obtained by the aforementioned imaging method, where the measuring area at length in the longitudinal direction corresponds to the thickness. Of the steel plate and its length in the horizontal direction The measuring area at the top is set so that the inner end of the face to face is centered on the lower end of the measuring area. And where the second measurement area surrounds the measuring area, and is at least the length in the horizontal direction larger than the length in the horizontal direction of the measuring area above. And a display path for displaying the results of the analyzes by means on the display device 2. A system for observing the production status of electrically welded pipes as described in claim 1, which has characteristics It is special that the method of imaging has a relay lens for depicting images based on the light emitted by the link. The container containing the relay lens and is made at least partially by an insulating separator. And an imaging device that receives images transmitted by such transmissive lenses and converts them into image data 3. A system for observing the production state of electrically welded pipes as described in claim 2. It is characterized by having the inside of the container with a mirror that reflects the image by the light emitted by the link and convey the image reflected by the mirror by the aforementioned transmission lens. The state of manufacture of electrically welded pipes is set out in Clause 2 or 3, which is characterized by the presence in which such a container contains a transparent material that allows the light emitted by such welds to pass through. Page 2 of the number 6 Page 5. System for observing the production status of electric resistance welded pipes as described in claim 2 or 3, which is characterized by adherence to The surface of the container is made of a pipe made of an insulating separator and with a flux path for the transmission of gas or liquid inside the pipe. 6. System for monitoring the state of production of the welded pipe. According to Claim 5, it has special characteristics. It is said that the gas or liquid that is flown into the pipe is emitted above a transparent material bonded to the said vessel that allows the light emitted by the said weld to pass through the inside. 7. The system for observing the production status of electrically welded pipes described in claim 2 or 3 is characterized by the presence of a container on the outside of the container. Two places It is parallel to the vessel that crosses the empty space and is made with an insulating separator and with a transmission path for gas or liquid transfer between the said container and the second such container. The manufacture of the electrically welded pipe as described in claim 7, has the effect that the gas or liquid that is flown into the second container is released above the bonded transparent material. It is attached to such a second vessel that allows the light emitted by the weld. It passes through the inside of the second container. 9. The system for observing the production status of the resistance welded pipes as described in claim 1, has a unique characteristic that the visualization path. It has a lens for making it possible to magnify images based on the light emitted by such a join in order to be magnified, and an imaging device that receives such images from the source side of the production line and converts it to the 1 0 image data. The system for observing the manufacturing status of the resistive welded pipes, as described in claim 9, has the peculiarity that the lens is positioned so that it can receive light emitted from The different positions of the face-to-butt of the aforementioned weld in the direction of the thickness of the plate and thus the lens can be focused at the weld 1 1. A system for monitoring the production status of the The electrically welded pipe described in claim 10 has the effect that the lens is positioned at the elevation angle when viewed in the optical axis direction of the lens from the The absolute value of the said portion is negative 20 degrees to 20 degrees. Observe the manufacturing status of the resistive welded tubes described in claim 9, which has the effect that such lenses are positioned at position 1 of 0.5 to 2.0 m away from the surface. On the side of the production line 1 3. A system for observing the production status of electrically welded pipes as specified in Claims 1,2,3 or 9, which has a special characteristic that The method of rendering such an image has a rendering sharpness of 0.2. Mm or less Page 3 of Number 6 Page 1 4. A system for observing the production status of fire resistance welded pipes as described in Claims 1,2,3 or 9. The analytical path searches for the brightness or temperature data of the steel plate in the measurement area at the said weld in the direction of the plate thickness, based on the visual data obtained by that visualization path. And use the brightness or temperature data being searched To analyze the melting status of steel plates and the collision status of steel plates at such welded sections 1 5. A system for observing the production status of fire resistance welded pipes as described in Claim 14C. It is characterized by the fact that such a method of analysis provides a decisive path for comparing the brightness or temperature data of the steel plates at such welds in the direction, thickness of the plates and their values. The second and second threshold is set and analyzes whether the weld is in the thermal input state when the brightness or temperature data is at the lower threshold. D or over And a second judgment method for determining whether the weld is in an overheated state when the above brightness or temperature data is a second or greater threshold value of 1. 6. System for monitoring the state. As mentioned in claim 14, it is characterized by a \ 'third deciding path for determining whether the collision angle of such a weld is abnormal when the area is saturated. 1 7. The system for observing the production status of fire resistance welded pipes as described in claim 14, is characterized by It is special that the above-mentioned trajectory searches for bright or high-temperature luminosity for each wire in the measured area based on brightness or temperature data according to the elevated level and uses the brightness data. Illumination or temperature data according to the degree to which it is searched to analyze the melting state of the steel plate and the collision status of the steel plate at the said weld 1 8. Methods for observing the production status of welded pipes. With respect to water resistance, a system for observing the production status of fire resistance welded pipes is described in claim 17. The machine monitors the state of the weld in a straight-through manner when forming a steel sheet into a pipe and provides Double-end heating of such steel plates for the manufacture of flame-welded pipes, a method for observing the production status of such refractory-welded pipes, is characterized by There is a process of creating an image of obtaining the light emitted from the link and converting it into image data. The analysis procedure of the state analysis of the steel plates at the said weld in the direction of the plate thickness based on the aforementioned visual data. And the procedure for displaying the results of the analysis on the display device page 4 of the number 6 Page 1 9. A system for monitoring the production status of electric resistance welded pipes as described in claim 1, 2,3 or 9, it is characterized by that such an analytical path compares the illumination or temperature data in the second measurement region based on the number of visual data obtained by that method of visualization on time. 2 0. The system for observing the production status of resistive-welded pipes as described in claim 19 has a special characteristic that the pathway is used to determine the status of the oxides at the weld. Such analyzes have different visualization pathways for the different generators of the two image data obtained by the aforementioned visualization pathways at different times and the transformation judgment pathways for the analysis. Judge if such a weld has been set to a preset threshold or multiple changes in brightness or temperature based on different data at It is formed by the aforementioned different visual pathways and determines that such welds contain oxides. When such a transition path determines whether the weld has had such a threshold value, or Multiple changes in brightness or temperature changes And deform that the weld does not contain oxides, when the method for determining the change, determines that the weld does not have a threshold or several changes in brightness or temperature. Observe the production status of resistive-welded pipes using a system for observing the production status of resistive-welded pipes as specified in Claims 1 to 3,9 to 11 and 12. Clause The apparatus detects the state of the weld in a straight-weld manner when forming the steel plate into a tubular shape and heats the two ends of the steel plate for the production of electrically welded pipes. The method for observing the production status of such resistive welded pipes is characterized by the presence of a visualization process of the exposure emitted by such welds and their transformations. The picture is a visual data, the analysis procedure of the state analysis of the steel plate at the said weld in the direction Sheet thickness based on the aforementioned visual information And the procedure for displaying the results of the analyzes on the display device 2. 2. Methods for observing the production status of electrically welded pipes, as described in claim 21, have special characteristics. That analysis process looks for the brightness or temperature data of the steel plate at the said weld in the direction of the plate thickness using the aforementioned visual information. The brightness or temperature data were searched to analyze the melting state of steel plates and welding materials and the collision status of the steel plates at the said welds. Page 5 of the number 6 Page 2 3. Method for observation. The manufacturing state of resistive welded pipes as described in claim 22, is characterized by the fact that there is a decision-making process at the front of comparing the brightness or temperature data. Of the steel plate at such a weld in the direction of the thickness of the plate and the set threshold value of the second and second And analyzes that the said welding part is in Is the thermal input state when the brightness or temperature data is at a higher threshold or higher? And a second judgment procedure for determining whether the aforementioned weld is in an overheated state when the above brightness or temperature data is changed at a second or greater threshold. Observe the manufacturing status of resistive-welded pipes as described in claim 23, which is characterized by a third decision-making procedure that determines whether the butt-weld angle of the welded joint. Unusual when the saturation area of the said illuminance or temperature data is within a relatively predetermined range. 2. 5. Method for observing the manufacturing status of electrically welded pipes as specified in the claim. 22 zong is characterized by a third judgment process that determines whether the angle-to-collision of the aforementioned weld is abnormal when the saturation region of the aforementioned brightness or temperature data is within a relatively predetermined range. 2 6. Methods for observing the production status of electrically welded pipes are described in claim 21 at the above analysis procedure, comparing the brightness or temperature data based on that visual information. The number of sections obtained on time, different images were created and analyzed the presence of oxides at such welds. 2 7. Method for observing the manufacturing status of resistive welded pipes as stated. In claim 26, it is unique that the aforementioned analysis procedure has different stages of image formation. The differential generation of the two image data obtained by such visualization pathways at different times and the change judgment process for judgment if such interfaces have been threshold threshold. It starts a preset or multiple change in brightness or temperature based on different information generated by such different image generation processes and determines that such interfaces are present. Oxide, when the process of determining the change, determines that the weld has been made a threshold value. Started such a change, or several changes in brightness or temperature change. And determine that the welding part does not contain oxides. When judging procedures for such changes, it is determined that the weld does not have a threshold or several changes in brightness or temperature. The production of electrically welded pipes as described in claim 21, has the characteristics that such visualization paths have a sharpness of 0.2 mm or less. Observe the manufacturing status of electrically welded pipes as stated in claim 21. It is characterized by that such a method looks for the brightness or temperature data of page 6 of the number 6 sheet steel in The first measurement area at the weld in the thickness direction of the plate was based on the visual data obtained by the above visualization path and the searched brightness or temperature data was used to analyze the melting state of the steel plate. 3 0. The system for observing the production status of electrically welded pipes as described in claim 21, has a special characteristic that the electrical resistance welded pipe has a characteristic of the system. The analytical frequency compared the brightness or temperature data in the second measurement region, based on a number of visual data obtained by the aforementioned imaging pathways at different times, and directly analyzed the oxide state. ------------ 1. System for monitoring the production status of electric resistance welded pipes. The state of the weld in a straight-through manner when forming a steel plate into a tubular profile and double-end welding. Of such steel plates to produce electric resistance welded pipes Where a system for monitoring the production status of electric resistance welded pipes Such a special feature is the following mechanism. Image engine for receiving images from the light emitted from the face to face of the steel plate. Mentioned at the said welding section from the source side of the said welding process Analysis mechanism for analyzing the status of steel plates of such welded sections in a direction The path according to the thickness of the sheet is based on visual data obtained by the aforementioned visualization mechanism and a display mechanism for displaying the analysis results by the aforementioned mechanism on the display device. 2. System for monitoring the production status of welded pipes. The electrical resistivity described in claim 1 is characterized by that the imaging engine has a relay lens for transmitting images based on light. Shining from the aforementioned interface, the container containing the relay lens and made of at least partially insulated separator material and imaging equipment, the image obtained by the relay lens and transforms the image. 3. The system for observing the production status of electric resistance welded pipes described in claim 2, which is characterized by the presence of a mirror inside the container that reflects the image by means of light emitted. 4. The system for monitoring the production of electric resistance welded pipes as described in claim 2 or 3, which has a special characteristic is that In such a container there is a transparent material that allows light emanating from the part. The weld passes through the inside of the container. 5. A system for monitoring the production status of electric resistance welded pipes as described in claims 2 to 4, which has a special surface adhesion. Of such containers with pipes made of Insulation separator material And the presence of a transmission mechanism for the supply of gas or liquid inside such pipelines. 6. A system for observing the production status of electric resistance welded pipes as described in claim 5, which is characterized by the gas or liquid being fed internally. The pipe was released above. 7. A system for observing the production status of electric resistance welded pipes as described in one of Claims 2 to 4, which is characterized by the presence of a second container, which is outside the container. Placed parallel to the container, across the free space and made of insulating separator. And the presence of a feeder mechanism for The gas or liquid is fed between the said container and the second such container. 8. A system for monitoring the production of electric resistance welded pipes as described in claim 7, which is characterized by the gas or liquid fed into the container. The second was released. The above transparent material 9. The system for observing the production status of electric resistance welded pipes as described in claim 1, which has a unique feature is that the image engine has a lens to enable the magnification of the image based on the light From the aforementioned welding parts to be obtained And imaging devices that receive such images from the source side of The production line and its transformations are visual data 1 0. The system for monitoring the production status of electric resistance welded pipes, as described in claim 9, is characterized by that the lenses are positioned in place. That is where it can The light emitted from different positions of the face-to-butt of the welding part can be obtained in a direction of thickness. 1. The system for observing the production status of electric resistance welded tubes as described in claim 10, which is characterized by such lenses. Is held in a position where an angle is elevated when viewed in an axial direction The exposure of such lenses from some of the welding sections is negative 20 ํ to 20 ํ 1 2. What is the system for observing the production status of electric resistance welded pipes described in Claims 1 to 11? One particular feature is that the mechanism for creating images has The visualization contrast is 0.2 mm or less. 1 3. A system for observing the production status of electric resistance welded pipes as specified in claims 1 to 12, one of which is characterized by a mechanism. Such analyzes search for information on brightness. Or temperature information of the steel plate at the said welding section in the direction of the thickness of the plate By relying on the image data obtained by the aforementioned image engine And use information on illumination or information The temperature was found in the analysis of the melting state of the steel plate and the collision state of the steel plate. 1 4. A system for observing the production status of electric resistance welded pipes as specified in Claims 1 to 13, one of which is characterized by the aforementioned analysis mechanism, comparing information on safety. Illuminance or temperature information based on a series of visual data obtained by the aforementioned imaging mechanisms at different times and analyze the presence of oxides at the said duct. 1 5. System for monitoring the production status of welded pipes. The resistivity described in claim 13 is characterized by that the analytical mechanism has a first judgment mechanism for comparing information. The brightness or temperature information of the steel plate at the said weld in the direction of The thickness of the sheet and the first and second thresholds are set and analyzed that the welds are in Is the heat input state low when such illumination or temperature information is present? At the threshold change at one or less And a second judgment mechanism for determining whether the welding part is in The overheat state when the brightness or temperature information is at Second or more threshold change 1 6. A system for observing the production status of electric resistance-welded pipes as specified in claim 13 or 15, which is characterized by a third judgment mechanism for determining the connection angle. Butt welding part It is abnormal when the saturation area of such luminance or temperature information exists. In a predetermined range 1 7. The system for observing the production status of electric resistance welded pipes, as described in claim 14, is characterized by that the analytical mechanism has a differential image mechanism for generating data. foot The difference of two image data obtained by the aforementioned imaging engine at different times. And judgment mechanism Change for determining whether the aforementioned weld has changed brightness or has changed Is the temperature at the set threshold or more, based on the established differential data? By the aforementioned different visualization mechanism And judge that the welding part contains oxides when the mechanism decides the Such change determines whether the welding portion has changed in brightness or changed. The temperature is at one or more such thresholds. And judge that the aforementioned welding part does not contain oxide The change judgment mechanism decides that there is no change in brightness or The temperature changes at or above the threshold value. 1 8. Method for monitoring the production of resistance welded pipes for the system. In observing the production status of resistive-welded pipes as specified in one of Claims 1 to 17, the state of the weld in a straight-weld manner when forming a steel plate into a pipe form; and To produce electric resistance welded tubes, the two ends of the sheet are heated. Whereby the method for observing the production status of electric resistance welded pipes is It has a special characteristic as having the following steps. The process of creating an image in obtaining the light emitted from the link and transforming it. That is visual data Analysis procedure for the state analysis of steel plates at such welds in Direction according to the thickness of the sheet based on the aforementioned visual information and the process of showing results of analysis results on display device 1. 9. Method for observing the production status of electric resistance welded pipes as specified in clause. Holds 18, which is characterized by such analytical procedures, searching for information on light or substance. Temperature information of the steel plates at the said welds in a direction according to the thickness of the plates by Such image data and use of illumination or temperature information found in the analysis. The melting state of the steel plate and the welding material and the butt welding state of the steel plate at the aforementioned welding section, the melting state of the steel plate and the welding material, and the butt welding state of the steel plate at the aforementioned welding section 2 0. Method for Observe the production status of electric resistance welded pipes described in claim 18 or 19, whereby the analysis procedure compares the brightness or substance information. Temperature information was based on a series of data obtained at different imaging times and analyzed the presence of oxides at the welds. 1. One of the methods for observing the production status of resistive welded pipes described in Claims 18 to 20, which is characterized by the analysis procedure, has a judgment process that One of the comparisons of illuminance or temperature information of straight steel plates. Such welds in the direction of sheet thickness with the first and second shifting thresholds that are set and Analyze whether the welding part is in a low heat input state when the illumination information. Or such temperature information is at the starting threshold at one or lower And the judgment process Second, in determining whether the aforementioned weld is in the overheated state when the thermal information The brightness or such temperature information is at the second or more threshold threshold 2 2. The method for observing the production status of electric resistance welded pipes as described in clauses 19 to 21, which is characterized by a third judgment procedure, determines the angle of impact. Such welding is abnormal when the area is saturated with such luminance or temperature information. Already within the predetermined range 2 3. The method for observing the production status of electric resistance welded pipes is described in one of Claims 18 to 20, which is characterized by that the analysis process has a generating procedure. Differential image in differential generation of two image data obtained by the aforementioned engine at different times and a transformation judgment process in determining whether such a weld has been changed. Is the brightness or temperature change at a preset change threshold or more? By using the differential data generated by the aforementioned heterogeneous process And judge that The weld has a side when the change judgment process decides that the weld has been replaced. Changes the brightness or temperature change at the said threshold or more and determines that the weld does not contain oxides when the change judgment process decides that the weld does not. Changes in brightness or temperature changes at or above threshold values.