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发明公开
CN107848054A 焊接装置 无效 - 驳回

焊接装置
摘要：
本发明的焊接装置具备：输出启动指令(Ts)的启动指令部(TS)；若被输入启动指令(Ts)就对第1输出端子(11)与第2输出端子(12)之间输出输出电压(E)的焊接电源(10)；与焊接电源(10)的第1输出端子(11)或第2输出端子(12)连接、将输出电压(E)以及焊丝(1)提供给焊炬(40)的进给器(30)；检测进给器侧的通电路的给定部位与第1输出端子(11)之间的电压并输出电压检测信号(Ed)的电压检测部(ED)；和以电压检测信号(Ed)为输入来检测焊丝(1)的电极极性并输出电极极性检测信号(Pd)的电极极性检测部(PD)。能通过上述的电压检测信号(Ed)的值自动判定电极极性。
摘要（英）：

This welding device is provided with: a start-up command unit (TS) for outputting a start-up command (Ts); a welding power supply (10) for outputting an output voltage (E) between a first output terminal (11) and a second output terminal (12) if the start-up command (Ts) is input; a feed machine (30), connected to the first output terminal (11) or the second output terminal (12) of the welding power supply (10), for supplying the output voltage (E) and welding wire (1) to a welding torch (40); a voltage detection unit (ED) for detecting voltage between a prescribed location in a current pathway on the feed machine side and the first output terminal (11) and outputting a voltage detection signal (Ed); and an electrode polarity detection unit (PD) for detecting electrode polarity of the welding wire (1), having the voltage detection signal (Ed) as an input and outputting an electrode polarity detection signal (Pd). The electrode polarity can be determined automatically by the value of the voltage detection signal (Ed).

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