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Welding machine output characteristic control method

A technology of output characteristics and control methods, applied in the direction of digital control, adaptive control, general control system, etc., can solve the problems that the external characteristics of the welding machine are easily affected by the performance of the device, and the consistency is not good, so as to enrich the external interface and communication ability, improved service life and range of use, and short development cycle

Inactive Publication Date: 2005-07-20
SHANGHAI WTL WELDING EQUIP MFG CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The method of this invention is that the acquisition of certain external characteristics must adopt the corresponding hardware control circuit, so the external characteristics of the welding machine are easily affected by the performance of the device, and the consistency is not good

Method used

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  • Welding machine output characteristic control method
  • Welding machine output characteristic control method

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Embodiment Construction

[0019] The output characteristic control method of welding machine of the present invention comprises the steps:

[0020] 1. Pre-select the corresponding welding method and preset the corresponding parameters;

[0021] 2. Determine whether the welding machine starts;

[0022] 3. Whether the arc is ignited;

[0023] 4. Judging whether the welding process is stable, that is, whether it is consistent with the preset parameters, and adaptively adjusts the output of the welding machine according to the specific welding process to obtain the required output characteristics;

[0024] 5. Judging the state of the welding torch switch (AN) and combining the welding method to judge whether the arc is extinguished, otherwise

[0025] Repeat steps 4 to 5.

[0026] The method of the present invention is further illustrated below in conjunction with the specific workflow:

[0027] like figure 1 Shown: the present invention specifically comprises the steps:

[0028] Step 1. Power on and...

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Abstract

The present invention relates to an output characteristic control method of welding machine. Said method includes the following steps: 1. preselecting correspondent welding method and presetting correspondent parameter; 2. judging that the welding operation is started or not; 3. electric arc is ignited or not; 4. judging that the welding proces is stable or not, namely, is identical to the preset parameter or not, and according to the concrete welding process adaptatively regulating welding machine output to obtain required output characteristics; and 5. judging state of welding gun with and combining welding mode, judging that the arc is blown out or not, otherwise, repeating step 4 to step 5.

Description

technical field [0001] The invention relates to a method for controlling output characteristics of a welding machine. Background technique [0002] The output characteristics of the analog welding machine are all obtained by hardware circuits. The acquisition of an output characteristic requires the design of a corresponding hardware circuit, which increases the cost of the welding machine. At the same time, the analog circuit is easily affected by the performance of the device, and the consistency is not good. For example, the invention patent "fully integrated control multi-functional thyristor inverter welding machine" discloses a fully integrated control multi-functional thyristor inverter electric welding machine. Circuit, main transformer, output rectifier circuit, reactor, characterized in that the integrated chip LM324 is used to form the external characteristic control circuit to obtain the required output characteristics of the welding machine, that is, the integra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/095G05B13/00G05B19/18
Inventor 尤志春
Owner SHANGHAI WTL WELDING EQUIP MFG CO LTD
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