Intelligent high-frequency arc striking circuit

By designing intelligent high-frequency arc priming circuits in argon arc welding machine, adjusting the frequency and voltage of high-frequency high-voltage arc priming circuits, the problems of high-frequency interference and personal radiation damage are solved, and a more efficient and safe welding process is achieved.

CN119658072AActive Publication Date: 2025-03-21SHANGHAI MIAODIG ELECTRIC CO LTD
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Patent Information

Application Number
CN202510082564.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-03-21
Estimated Expiration
2045-01-20

AI Technical Summary

Technical Problem

The electromagnetic interference introduced by the medium and high frequency and high voltage arcing of argon arc welding machines not only affects the surrounding electrical products, but also causes interference to the welding machine itself, increasing the risk of personal radiation damage.

Method used

An intelligent high-frequency arc priming circuit is designed, including an MCU, a charging control circuit, a discharge control circuit and a high-frequency inductor. By adjusting the frequency and voltage of the high-frequency high-voltage arc priming circuit, a suitable operating frequency and voltage are selected to reduce high-frequency interference.

Benefits of technology

It effectively reduces high-frequency interference, reduces radiation damage to the person, and improves the working efficiency and safety of the argon arc welding machine.

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Abstract

The invention discloses an intelligent high-frequency arc striking circuit which comprises an MCU, a charging control circuit, a discharging control circuit and a high-frequency inductor. The MCU is used for sending a charging control signal and a discharging control signal; the charging control circuit is connected with the MCU and is used for receiving and processing the charging control signal; the discharge control circuit is connected with the MCU and is used for receiving and processing the discharge control signal; a terminal 1 of the high-frequency inductor is connected with the charging control circuit, a terminal 2 of the high-frequency inductor is connected with the discharging control circuit, and terminals 3 and 4 of the high-frequency inductor are connected with an output main loop of an external electric welding machine. According to the invention, the frequency and voltage control of the high-frequency and high-voltage arcing circuit can be adjusted, different working frequencies and working voltages can be selected according to different use conditions, high-frequency interference can be effectively reduced, and radiation damage to human bodies can be reduced.
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