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Multifunctional full-numeralization contravariant welding machine

A fully digital, inverter welding machine technology, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problem of single welding mode of inverter welding machine, etc., and achieve the effect of suppressing arc length interference

Inactive Publication Date: 2008-08-20
SHENZHEN HUAYILONG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing inverter welding machine can only realize a single welding method, the present invention provides a multi-functional all-digital inverter welding machine that can realize multiple welding methods

Method used

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  • Multifunctional full-numeralization contravariant welding machine
  • Multifunctional full-numeralization contravariant welding machine
  • Multifunctional full-numeralization contravariant welding machine

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Embodiment Construction

[0031] Multifunctional fully digital inverter welding machine, its working circuit includes: the main circuit containing the IGBT inverter rectifier bridge composed of two dual IGBT power tube integrated blocks M1 and M2, and the control to control the conduction width of the IGBT inverter rectifier bridge Circuit, the input end of the IGBT inverter rectifier bridge is connected to the three-phase power supply via the three-phase bridge rectifier circuit BR1, the anti-interference protection circuit PCB6, and the circuit breaker DUQ. The output end of the IGBT inverter rectifier bridge is connected in parallel with the main transformer B1. A full-bridge rectifier circuit DV is connected in series with the secondary output terminal of the transformer B1;

[0032] The control circuit includes a DSP processor, a signal sampling circuit whose output terminal is connected to the signal acquisition port of the DSP processor, a high-frequency pulse arc starting circuit, and a transmitter...

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Abstract

The invention relates to an inverter welder, in particular to a multifunctional all-digital inverter welder, which resolves problem that the prior inverter welder can only achieve a single welding mode, the operating circuit of the multifunctional all-digital inverter welder comprises: a main circuit comprising an IGBT inverter rectifier bridge composed by connected of two double IGBT power tube integrated blocks M1, M2 and a control circuit controlling the IGBT inverter rectifier bridge guiding width, the control circuit comprises a DSP processor, a signal sampling circuit, a high-frequency pulse arc circuit, a wire feeding machine control circuit, a display circuit, a keyboard input circuit, a drive circuit of the IGBT inverter rectifier bridge, a trigger pulse generator circuit PCB2. The inverter welder has the advantages that using the advanced DSP processor, realizing the gas-welding, argon-arc welding, pulse argon-arc welding and other variety of different welding modes in a single welder through the pulse width modulation technique, and realizing the function of monitoring, promoting, networking operation, and diagnosing through the network.

Description

Technical field [0001] The invention relates to an inverter welding machine, in particular to a multifunctional fully digital inverter welding machine. Background technique [0002] According to different welding methods, traditional welding machines are generally divided into: manual welding machine, argon arc welding machine, pulse argon arc welding machine, argon arc spot welding machine, gas shielded welding machine, pulse gas shielded welding machine, dual pulse gas shielded welding Machine, carbon arc gouging machine, etc., that is, a single machine can only realize one welding method, and the welding method is characterized by the external working characteristics of the welding power source; the description method of the arc welding power source characteristics of the traditional welding machine adopts the static external characteristic curve. It can describe the static performance of the arc welding power source, and the arc welding power source with the same static chara...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/10B23K9/06B23K9/09
Inventor 杜星伟郭建业李龙祥
Owner SHENZHEN HUAYILONG ELECTRIC
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