A multi-mode automatic arc voltage regulation control system
An adjustment control and multi-mode technology, applied in the direction of manufacturing tools, arc welding equipment, welding equipment, etc., can solve the problem that the arc voltage is difficult to maintain constant, and achieve the effect of improving welding quality and efficiency, reducing labor costs, and high production efficiency
Active Publication Date: 2021-02-09
NANJING TECH UNIV
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Problems solved by technology
[0004] Purpose of the invention: In order to overcome the technical problem that the arc voltage in the existing orbital automatic welding technology is difficult to maintain constant during the welding process at all positions, the present invention proposes a multi-mode automatic arc voltage adjustment control system. The current and the base value current are adjusted separately to realize three modes of peak tracking, base value tracking and continuous tracking, which are suitable for different welding processes
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[0030] Embodiment: The system functional architecture of the multi-mode automatic arc voltage regulation control system described in this embodiment is as follows figure 1 As shown, it includes: man-machine interface setting unit, ARM controller, servo drive module, AVC motor and arc voltage acquisition unit; the functions performed by the ARM controller include hardware filtering, ADC sampling, software filtering, and arc voltage comparison.
[0031] The man-machine interface setting unit provides man-machine interaction interface, such as Image 6 As shown, the man-machine interface setting unit communicates with the ARM controller via USB to RS232, and the user inputs the arc voltage tracking mode and the arc voltage value corresponding to the arc voltage tracking mode to the ARM controller through the man-machine interface, and the man-machine interface Transfer the arc voltage value entered by the user to the ARM program for arc voltage regulation. Users can also set the...
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The present invention proposes a multi-mode automatic arc voltage regulation control system, including: a man-machine interface setting unit, an ARM controller, a servo drive module, an AVC motor, and an arc voltage acquisition unit; Input the working mode and arc voltage value on the computer interface; the arc voltage acquisition unit implements the acquisition of arc voltage value; the ARM controller generates drive instructions according to the data input by the user and the collected data, and drives the AVC motor through the servo drive module to adjust the height of the tungsten electrode. The current closed-loop feedback realizes the stable operation of the servo. The multi-mode automatic arc voltage regulation control system proposed by the present invention is an automatic arc voltage regulation system based on an ARM microprocessor. Track three modes, suitable for different welding processes, and obtain good arc voltage regulation effect.
Description
technical field [0001] The invention relates to the technical field of automatic adjustment of arc voltage for gas tungsten electrode shielded welding, in particular to a multi-mode automatic arc voltage adjustment control system. Background technique [0002] Since the reform and opening up, my country's industry has developed rapidly. Welding plays an important role in industrial production and plays an irreplaceable role in various production constructions. Industrial development drives the development of welding technology at the same time. However, for the overall welding engineering technology in our country, there are still many problems. Among them, the insufficient popularity of automated welding is one of the problems that need to be solved urgently. Automatic welding can realize automatic control, and carry out independent operations according to production needs and on-site instructions, thereby improving welding quality and efficiency, effectively reducing labo...
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IPC IPC(8): B23K9/073B23K9/095B23K9/02
CPCB23K9/02B23K9/073B23K9/0731B23K9/095
Inventor 郭豫鹏陆晓峰李刚薛铸曾东升
Owner NANJING TECH UNIV