氩弧焊脉冲信号处理方法、电机同步控制方法及焊接装置

By employing technologies such as Hall effect sensors and impedance conversion circuits, the problems of unstable pulse signal processing and insufficient motor synchronization in argon arc welding have been solved, resulting in material savings and quality improvement during the welding process.

CN121289664BActive Publication Date: 2026-07-17BAODING DUOPUKANG INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BAODING DUOPUKANG INTELLIGENT TECH CO LTD
Filing Date
2025-10-23
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The pulse signal processing in current argon arc welding is unstable and the motor synchronization is insufficient, resulting in waste of consumables and poor welding quality, which is particularly prominent in the nuclear power field.

Method used

Signal extraction is performed using Hall effect sensors and impedance conversion circuits. Combined with filtering, amplitude adjustment, electrical isolation, and amplitude limiting, peak/trough characteristic values ​​are extracted through analog-to-digital conversion and software algorithms to achieve synchronous motor control.

Benefits of technology

It improves the stability of signal processing and the accuracy of feature extraction, realizes the synchronization of wire feeding motor and travel motor with welding pulse frequency, reduces material waste, and improves welding quality.

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Abstract

本申请公开了一种氩弧焊脉冲信号处理方法、电机同步控制方法及焊接装置，包括步骤：S1、将焊机输出的脉冲电信号转换为脉冲电信号特征相关联的基础模拟电压信号；S2、对基础模拟电压信号进行处理，输出满足预设参数范围的标准模拟采样信号；S3、将标准模拟采样信号进行模数转换，通过软件算法提取特征信号；S4、获取焊接脉冲电信号的波峰特征值与波谷特征值；S5、生成脉冲周期对应的二值化逻辑信号；S6、对二值化逻辑信号进行跳变检测；S7、在下降沿触发信号到来时，启动焊接关联电机；在上升沿触发信号到来时，停止焊接关联电机，使焊接关联电机的运行状态与焊接脉冲信号的周期特征同步。本申请具有提升焊接同步精度和焊接抗干扰性的效果。
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Citation Information

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