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Whole-digit inversion type consumable electrode pulse gas-shielded welder

A technology of pulsed gas and melting electrode, which is applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problems of unable to meet the needs of high-end or special users, monotonous output characteristics, poor reliability, etc., to facilitate production debugging and after-sales Maintenance, consistency and stability improvement, and the effect of meeting usage needs

Inactive Publication Date: 2009-08-19
SHENZHEN JASIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problems of the two welding machines with different degrees are as follows: slow system response, poor consistency, poor reliability, poor stability, monotonous output characteristics, few functions and difficult to expand, unable to meet the needs of high-end or special users. Usage requirements

Method used

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  • Whole-digit inversion type consumable electrode pulse gas-shielded welder
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  • Whole-digit inversion type consumable electrode pulse gas-shielded welder

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Embodiment Construction

[0033] Such as Figure 4 As shown, the full digital inverter melting pole pulse gas shielded welding machine of the present invention includes:

[0034] The power system 300 has primary rectification and filtering, primary inverter, main transformer, secondary rectification and filtering, secondary inverter, output circuit, and

[0035] The wire feeding system 600 has a wire feeder power supply and a wire feeder motor,

[0036] In response to a control signal, the power system 300 and the wire feeding system 600 operate in coordination to convert the high-voltage positive-rotating alternating current of the grid into low-voltage pulsating direct current, and complete the conversion of electric energy into thermal energy through the welding circuit; and

[0037] The control system 400 has auxiliary power supply, grid voltage detection, primary side current feedback, welding current feedback, arc voltage feedback, power unit temperature feedback, wire feeding speed feedback, mo...

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Abstract

The invention discloses a full digital inverter type pulsed gas metal arc welding machine with good reliability, consistency and stability, which comprises a power system, a wire feed system and a control system, wherein the power system is provided with a primary rectifying and filtering circuit, a primary inversion circuit, a main transformer, a secondary rectifying and filtering circuit, a secondary inversion circuit, and an output circuit; the wire feed system is provided with a wire feeder power source and a wire feeder motor; the power system and the wire feed system respond to a control signal, coordinately operate with each other to convert high-voltage sinusoidal AC of a power grid into low-voltage rectified AC, and complete conversion of electric energy to heat energy through a welding circuit; and the control system monitors and controls the power system and the wire feed system and comprises a core function unit and a human-computer interaction interface. The full digital inverter type pulsed gas metal arc welding machine is characterized in that the core function unit of the control system is a digital signal controller (DSC) or a digital signal processor (DSP). The full digital inverter type pulsed gas metal arc welding machine is applied to full automatic welding of metal materials.

Description

technical field [0001] The invention relates to an inverter type melting pole pulse gas shielded welding machine, which is mainly used for high-speed, high-quality semi-automatic or full-automatic welding of various metal materials. Background technique [0002] The application of inverter technology in arc welding power supply has been very common, and the current mainstream melting electrode pulse gas shielded welding machines also use inverter mode. Such as figure 1 As shown, according to the classification of electrical functions, the inverter MIG pulsed gas shielded welding machine can be divided into three systems: power system 100 , wire feeding system 500 and control system 200 . The inverter melting pole pulse gas shielded welding machine is to coordinate the power system and the wire feeder system under the effective monitoring and orderly control of the control system, and convert the high-voltage positive-rotating AC power of the grid into low-voltage pulsating ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/16
Inventor 徐爱平潘磊萧波
Owner SHENZHEN JASIC TECH
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