Embedded digitalization multifunctional inversion type flexible switch arc-welding power supply based on ARM

Abstract

The utility model discloses an embedding type digital multifunctional invert soft switch arc welding power based on ARM, and the embedding type digital multifunctional invert soft switch arc welding power comprises a main circuit, a control circuit, and a high frequency arc ignition circuit; wherein, the main circuit comprises a rectifying and filtering module, a high frequency inverter module, a power transformer module, and a rectifier smoothing and arc stabilizing module, the control module comprises an over-voltage and under-voltage protecting and detecting module, a current and voltage sampling, detecting, and feedback module, an ARM microcontroller, and a high frequency drive module. The invention realizes the fully digital control; the refinement control for the transient energy of the welding arc can be realized in real time, to lead the control of the welding process to be more precise and flexible; by adopting the soft switch high frequency 1GBT invert technology, the efficiency and invert frequency are further improved, the production material is saved while the electric-magnetic compatible ability and the reliability of the inversion welder is improved; the multifunctional application of manual welding / direct current argon-arc welding / impulse argon-arc can be provided, and the interface function of networked management is provided beforehand.

Description

technical field [0001] The present invention relates to the technical field of optical-mechanical-electrical integration, and also relates to power electronics technology, high-frequency inverter technology, digital control technology and automatic control theory and technology, specifically refers to an ARM-based embedded digital multifunctional inverter soft switch Arc welding power supply. Background technique [0002] At present, in the field of welding power sources, due to the large current and high power required by the process, the traditional welding power sources are mainly silicon rectifier and thyristor rectifier, which are bulky, heavy, low energy consumption, and low efficiency. The reason is that the dynamic and static characteristics are not ideal. Using inverter technology is the best way to solve these problems. First of all, the inverter technology greatly increases the frequency of the power supply, which greatly reduces the volume and quality of the ma...

AI Technical Summary

Problems solved by technology

According to the search, there is no related technical achievement of soft-switching inverter welding machine with 32-bit ARM embedded microprocessor as the digital core, and there is no related product in the market; when the μC / OS-II embedded real-time operating system and Combined with ARM, using modular and portable design methods to realize real-time precision control of soft-switching inverter welding machines, there are no relevant reports, and they all belong to blank

Images