Weld seam appearance, fused bath and seam near-infrared vision integral sensing checkout gear

A welding seam appearance and detection device technology, which is applied to measuring devices, welding equipment, optical devices, etc., can solve the problems that the welding seam appearance near-infrared sensing detection technology has not been solved, and achieve stable sensing quality and wide adaptability. , powerful effect

Active Publication Date: 2007-10-31
NANJING UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

However, the "ghost image elimination" technology in the fusion pool and seam visual image sensing acquisition, the quality information identification and extraction technology in the fusion pool visual image, the sensor collection technology of the visual information of the double wire gas shielded welding pool, etc. not solved
Weld appearance inspection still adopts manual visual inspection or measuring

Method used

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  • Weld seam appearance, fused bath and seam near-infrared vision integral sensing checkout gear
  • Weld seam appearance, fused bath and seam near-infrared vision integral sensing checkout gear
  • Weld seam appearance, fused bath and seam near-infrared vision integral sensing checkout gear

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[0019] The present invention will be further described in detail below in conjunction with the drawings.

[0020] With reference to Figures 1 and 2, the integrated near-infrared vision sensor detection device for weld appearance, weld pool and joint of the present invention includes a housing 1 arranged on a mounting frame 3 and a shielding arc arc connected to the housing 1 The arc baffle 8, the near-infrared CCD sensor 4, the large focal length lens 5 with a focal length of 16-25mm, the near-infrared narrow-band filter system 6 and the near-infrared laser 10 are arranged in an aluminum shielded housing 1 into a whole, namely The described near-infrared CCD sensor 4 is installed on the housing 1 through the fixing seat 2. A large focal length lens 5 and a near-infrared narrow-band filter system 6 are sequentially arranged on the axis of the near-infrared CCD sensor 4. The near-infrared narrow-band filter system 6 The axis of the near-infrared laser 10 and the axis of the near-inf...

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Abstract

The invention relates to a welding seam appearance, fuse pool and the seam close to visual integration sensing test device, comprising a shell and the blocking electric arc plate, integrating the close infrared CCD sensor, big focus distance camera, close infrared narrow filtering system and the close infrared laser set inside the screen, the said close infrared narrow filter system shaft line forming into an included angle of 15-20degree, the close infrared laser emitting center being equal in height with the big focus distance lens, with isolation plate between the close infrared laser and the big focus lens and narrow filtering system, with the said close infrared laser and the close infrared CCD sensor connected to the controller. It can send messages like sense sampling fusion appearance, fuse pool and access slope visual information, realizing the inspection of sensing device.

Description

1. Technical field [0001] The invention belongs to the technology of arc welding process, quality sensing detection and control, especially a near-infrared vision integrated sensing detection device for weld appearance, molten pool and seam, which is suitable for copper, steel, aluminum and other metals. Weld seam and molten pool, and suitable for spray transition and short-circuit transition gas metal arc welding, twin wire gas metal arc welding, gas tungsten arc welding process and quality sensing detection. 2. Background technology [0002] For the field of intelligent welding technology, seam tracking technology based on visual sensing, visual image sensing technology of molten pool collected by CCD sensor, and closed-loop molten pool width control technology based on visual sensing have been studied. However, the "ghost image elimination" technology in the fusion pool and seam visual image sensing acquisition, the quality information identification and extraction techno...

Claims

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Application Information

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IPC IPC(8): B23K9/00G01B11/00G01N21/17B23K9/095
Inventor 王克鸿顾民乐沈春龙刘永张德库周毅仁徐越兰余进冯日海
Owner NANJING UNIV OF SCI & TECH
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