Multifunctional digital wave-controlled arc welding inverter power supply
An inverter power supply, multi-functional technology, applied in arc welding equipment, welding equipment, manufacturing tools, etc., can solve the accuracy and stability dependence of electronic components, difficult to obtain good control effect, complex inverter welding machine model, etc. problems, to achieve the effect of saving production input costs, good arc stability, good arc stability and stiffness
Active Publication Date: 2016-06-22
SOUTH CHINA UNIV OF TECH +1
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Problems solved by technology
However, the model of the inverter welding machine is complex, and it is difficult to obtain a good control effect by using analog control or classical control
In recent years, with the continuous improvement of the market's requirements for welding production efficiency, product quality, automation and intelligence of welding production, traditional analog control welding machines have complex control circuits, low reliability, and poor portability. The accuracy and stability are too dependent, resulting in high cost and difficult control
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[0027] A multifunctional digital wave-controlled arc welding inverter power supply, its structural block diagram is as follows figure 1 As shown, it includes a main circuit, a control circuit and a wire feeder module 106; the main circuit includes a three-phase common-mode filter module 101, a primary rectification filter module 102, a high-frequency full-bridge inverter module 103, a power transformer module 104 and a secondary Rectification and filtering module 105; the control circuit includes an ARM control system module 108, and a digital panel module 114 connected to the ARM control system module 108, a high-frequency inverter drive module 107, a voltage and current detection module 110 and a wire feeder drive module 109; The frequency inverter drive module 107 is connected to the high frequency full bridge inverter module 103. Wherein the three-phase common mode filter module 101 is connected with the three-phase AC input power supply, the output end one of the secondar...
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The invention provides a multifunctional digital waveform control arc-welding inverter power supply. The multifunctional digital waveform control arc-welding inverter power supply is characterized by comprising a main circuit, a control circuit and a wire feeder module. The main circuit comprises a three-phase common-mode filtration module, a primary rectification filter module, a high-frequency full-bridge inversion module, a power transformer module and a secondary rectification filter module which are connected in sequence. The control circuit comprises an ARM control system module, a digital panel module, a high-frequency inversion driving module, a voltage-current detecting module and a wire feeder driving module, wherein the digital panel module, the high-frequency inversion driving module, the voltage-current detecting module and the wire feeder driving module are connected with the ARM control system module. By adopting the inverter power supply, a welding machine has excellent consistency, reliability and dynamic response capacity, ensures good stability of a power supply-electric arc system, optimizes utilization of welding electric arc energy, improves the adaptability of the welding machine to different welding materials and welding methods and can obtain high welding quality.
Description
technical field [0001] The invention relates to welding technology and equipment technology, in particular to a multifunctional digital wave-controlled arc welding inverter power supply. Background technique [0002] Compared with traditional welding machines, inverter welding machines have many advantages such as high efficiency and energy saving, light weight, small size, and good dynamic performance. They are very conducive to the realization of precise control and have become the mainstream development direction of welding equipment technology. However, the model of the inverter welding machine is complex, and it is difficult to obtain a good control effect by using analog control or classical control. In recent years, with the continuous improvement of the market's requirements for welding production efficiency, product quality, automation and intelligence of welding production, traditional analog control welding machines have complex control circuits, low reliability, ...
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IPC IPC(8): B23K9/10
CPCB23K9/095B23K9/1056B23K9/125
Inventor 王振民冯允樑潘成熔何东炜
Owner SOUTH CHINA UNIV OF TECH