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An output circuit of an inverter multifunctional welding and cutting machine

An output circuit, welding and cutting machine technology, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problems of good DC output, bad AC output, poor cutting performance, etc., and achieve the effect of reliable switching

Active Publication Date: 2014-10-29
NANTONG FREE MECHANTRONIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing multi-functional welding and cutting machines often have problems such as good DC output and poor AC output; good welding performance, but poor cutting performance, etc.

Method used

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  • An output circuit of an inverter multifunctional welding and cutting machine

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Embodiment Construction

[0008] In the following, the present invention will be further clarified with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. After reading the present invention, those skilled in the art will understand various aspects of the present invention. Modifications in equivalent forms fall within the scope defined by the appended claims of this application.

[0009] The first embodiment of the present invention is as figure 1 As shown, the present invention includes a welding rectifier circuit 1, a welding arc rectifier circuit 2, a cutting rectifier circuit 5, an inverter circuit 3, a filter circuit 4, and a cutting pilot arc control circuit 6 connected to the output winding of the inverter main transformer. The output winding T1 of the inverter main transformer is divided into six segments, and the common end of the fir...

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Abstract

The invention discloses an inverted multifunctional welding and cutting machine output circuit. According to the inverted multifunctional welding and cutting machine output circuit, a third switch and a fourth switch are arranged between a main transformer output winding and an input end of a welding pilot arc rectifying circuit, an eleventh switch and a twelfth switch are arranged between an output end of a cutting rectifying circuit and an output end of the whole circuit, and a twenty first switch and a twenty second switch are arranged between a filter circuit and the output end of the whole circuit. According to the inverted multifunctional welding and cutting machine output circuit, opening and closing of different function modules can be achieved, reliable switching of different output functions and characteristics can be achieved, and therefore each function of a multifunctional welding machine can be achieved well.

Description

Technical field [0001] The invention relates to an inverter multifunctional welding and cutting machine output circuit, which belongs to the welding field. Background technique [0002] Inverter multifunctional welding and cutting machines will become a trend. The current popular welding and cutting methods include AC / DC TIG, MMA electric welding, CUT plasma cutting, and MIG MIG welding. Existing multifunctional welding and cutting machines often have problems such as good DC output and poor AC output; good welding performance, but poor cutting performance. How to realize the reliable switching of different output functions and characteristics, and how to solve the requirements of different functions on the output circuit part, so that each function of the multifunctional welding machine can be well realized. Summary of the invention [0003] Purpose of the invention: The present invention proposes an inverter multifunctional welding and cutting machine output circuit, which can ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/10
Inventor 吴建中沙玉彦蒋林祥
Owner NANTONG FREE MECHANTRONIC CO LTD