Unlock instant, AI-driven research and patent intelligence for your innovation.

Image vision sensing system for welding pool of electron beam

A technology of electron beam welding and image vision, which is applied in the field of image vision sensing system, can solve the problems of poor real-time performance of molten pool images and achieve high real-time performance

Inactive Publication Date: 2012-05-02
HARBIN INST OF TECH
View PDF3 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem of poor real-time performance of molten pool images in the process of collecting electron beam welding, and provides a visual sensing system for electron beam welding molten pool images

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Image vision sensing system for welding pool of electron beam
  • Image vision sensing system for welding pool of electron beam
  • Image vision sensing system for welding pool of electron beam

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0008] Specific implementation mode 1. Combination figure 1 Illustrate this specific embodiment, a kind of electron beam welding molten pool image visual sensing system, it comprises transmitting cathode 2, receiving anode 3, focusing coil 4, deflection coil 5, CCD camera 7, vacuum chamber 8 and computer 9; 2, the receiving anode 3, the focusing coil 4, the deflection coil 5, and the CCD camera 7 are all located in the vacuum chamber 8; a high voltage is applied on the transmitting cathode 2, so that an electron beam is generated between the transmitting cathode 2 and the receiving anode 3; The electron beam is incident to the center of the focusing coil 4, and is incident to the center of the deflection yoke 5 after focusing under the action of the focusing coil 4, and is incident to the upper surface of the work piece 6 after being deflected under the action of the deflection yoke 5, and An electron beam welding molten pool is formed on the upper surface of the workpiece 6 t...

specific Embodiment approach 2

[0023] Embodiment 2. The difference between this embodiment and the electron beam welding molten pool image vision sensing system described in Embodiment 1 is that it also includes a filter system, and the filter system includes a narrow-band filter. It is composed of a protective glass sheet, and the protective glass sheet is used to protect the narrow-band filter; the filter system is fixed in front of the lens of the CCD camera 7, and is used to filter the light entering the lens of the CCD camera 7.

specific Embodiment approach 3

[0024] Specific Embodiment 3. The difference between this specific embodiment and the electron beam welding molten pool image visual sensing system described in specific embodiment 2 is that the central wavelength of the narrow-band filter is 620-710 nm, and the half-width is ±10 nm. , with a peak transmittance of 50%.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Center wavelengthaaaaaaaaaa
Login to View More

Abstract

An image vision sensing method based on an image vision sensing system for a welding pool of an electron beam is disclosed, and relates to an image vision sensing method and solves the problem that the image real-time of the welding pool in the welding process of the electron beam collected is cannot carry out at present. High voltage is applied to an emitting cathode so that an electron beam is generated between the emitting cathode and a receiving anode. The electron beam is emitted to the center of a focus coil and emitted to the center of a deflecting coil after being focused under the effect of the focus coil. The electron beam is deflected under the effect of the deflecting coil and emitted to the upper surface of a workpiece and an electron beam welding pool is formed on the upper surface of the workpiece to be measured. A CCD (Charge Coupled Device) video camera collects the image of the electron beam welding pool and outputs the image to a computer. The invention is suitable for collecting the image of the electron beam welding pool.

Description

technical field [0001] The invention relates to an image vision sensing system. Background technique [0002] The relevant characteristic parameters of the welding pool, such as penetration depth and fusion width, are important factors affecting the mechanical properties of the welded joint, and provide important data information for the quality control of the welding process, which can be achieved by controlling certain parameters of the molten pool Control the welding quality and obtain welds that meet the requirements of use. Therefore, the sensing and control of the dynamic process of the weld pool has become one of the hot issues in the field of welding automation in recent years. [0003] Welding pool visual sensing has the advantages of rich and intuitive information, high sensitivity, good dynamic response characteristics, and strong anti-interference ability. It is currently the most important molten pool sensing and detection method. However, the current research...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B23K15/06
Inventor 张秉刚陈国庆石铭霄
Owner HARBIN INST OF TECH
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com