Method for digit controlling arc characteristic under different operation mode and circuit system

A technology of arc characteristics and working conditions, which is applied in the field of arc characteristic control, can solve problems such as difficulty in upgrading, difficulty in changing, and long development cycle, and achieve the effects of improving versatility, reducing development cycle, and being convenient to use

Inactive Publication Date: 2006-07-26
SHANGHAI WTL WELDING EQUIP MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The arc characteristic control of existing welding machines is generally controlled by analog. This type of control method is fixed and difficult to change. Generally, the arc char

Method used

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  • Method for digit controlling arc characteristic under different operation mode and circuit system
  • Method for digit controlling arc characteristic under different operation mode and circuit system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] For example, under manual welding, the thermal arc current control is realized. The user sets the required parameters on the panel, and the single-chip microcomputer system reads the set parameters and adjusts the output according to the set parameters. For example: if the hot start is set to 5, the microcontroller will read the setting of the hot start as 5, and output the hot start current and the hot start time corresponding to 5 in the timer interrupt mode.

Embodiment 2

[0033] For example, the thrust current control is realized in the argon arc welding mode, and the user sets the required parameters on the panel, and the single-chip microcomputer system reads the set parameters and adjusts the output according to the set parameters. For example: if the thrust is set to 5, the microcontroller will read the setting of thrust thermal arcing as 5, and output the thrust current corresponding to 5 in the timing interrupt mode.

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PUM

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Abstract

The invention discloses the method of controlling the characteristic of arc with digitalization under different conditions and the circuitry design with the method. The method comprises the following steps: adopting embedded monolithic system, controlling the characteristic of arc by changing logical decision, logic calculus and current compensation algorism, accomplishing the characteristic of arc digital control under the mode of hand welding and argon-arc welding, comprising hot striking current control, thrust current control and secondary circuit current cut-out and current recovery. The development cycle is reduced, and it is effective to improve the versatility of control system. Besides, the digital code display, which can display welding current and welding voltage at the same time, is convenient to use and upgrade.

Description

technical field [0001] The invention relates to a method for controlling arc characteristics, in particular to a method for digitally controlling arc characteristics under different working conditions and a circuit system designed according to the method. Background technique [0002] The arc characteristic control of existing welding machines is generally controlled by analog. This type of control method is fixed and difficult to change. Generally, the arc characteristics of a certain working condition can only be controlled well, while other working conditions are relatively poor and there are upgrades Difficult and long development cycle. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method and device for digitally controlling arc characteristics under different working conditions, which can effectively control the arc characteristics under different working conditions, so as to achieve the best welding ef...

Claims

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Application Information

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IPC IPC(8): B23K9/095B23K9/10
Inventor 尤志春
Owner SHANGHAI WTL WELDING EQUIP MFG CO LTD
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