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    • 3. 发明公开
    • Electric arc welder and method for controlling the welding process of the welder
    • 电弧焊机和控制焊机焊接过程的方法
    • EP2626163A3
    • 2015-04-22
    • EP13001080.4
    • 2003-10-25
    • Lincoln Global, Inc.
    • Myers, Russel K.Houston, William S.O'Donnell, Timothy M.Hasan, Robert
    • B23K9/09B23K9/095B23K9/10
    • B23K9/1062B23K9/093B23K9/0953
    • Electric arc welder (10) performs a given weld process with selected current waveform performed between electrode (24) and workpiece (26). Welder (10) includes a controller with a digital processor (30), sensor (44) for reading instantaneous weld current, and circuit (56) to convert the instantaneous current into a digital representation of the level of instantaneous weld current. Digital processor (30) has program circuit (64, 66) to periodically read and square the digital representation at a given rate, register (70, 72) for summing a number N of square digital representations to give a summed value, and an algorithm (82, 84, 86, 88) for periodically dividing the summed value by the number N to provide a quotient and then taking the square root of said quotient to thereby digitally construct rms signal (40) representing the root mean square of the weld current.
    • 电弧焊机(10)利用在电极(24)和工件(26)之间执行的选定的电流波形执行给定的焊接过程。 焊接机(10)包括具有数字处理器(30)的控制器,用于读取瞬时焊接电流的传感器(44)以及用于将瞬时电流转换为瞬时焊接电流水平的数字表示的电路(56)。 数字处理器(30)具有以给定速率周期性读取和平方数字表示的程序电路(64,66),寄存器(70,72),用于对N个正方形数字表示求和以给出总和值,算法 (82,84,86,88),用于周期性地将总和值除以数字N以提供商,然后取所述商的平方根,从而数字化地构造表示焊接电流的均方根的rms信号(40) 。
    • 5. 发明公开
    • Electric arc welder and method for controlling the welding process of the welder
    • Lichtbogenschweißgerätund -verfahren zur Steuerung desSchweißprozessesdesSchweißgeräts
    • EP2626163A2
    • 2013-08-14
    • EP13001080.4
    • 2003-10-25
    • Lincoln Global, Inc.
    • Myers, Russel K.Houston, William S.O'Donnell, Timothy M.Hasan, Robert
    • B23K9/09B23K9/095
    • B23K9/1062B23K9/093B23K9/0953
    • Electric arc welder (10) performs a given weld process with selected current waveform performed between electrode (24) and workpiece (26). Welder (10) includes a controller with a digital processor (30), sensor (44) for reading instantaneous weld current, and circuit (56) to convert the instantaneous current into a digital representation of the level of instantaneous weld current. Digital processor (30) has program circuit (64, 66) to periodically read and square the digital representation at a given rate, register (70, 72) for summing a number N of square digital representations to give a summed value, and an algorithm (82, 84, 86, 88) for periodically dividing the summed value by the number N to provide a quotient and then taking the square root of said quotient to thereby digitally construct rms signal (40) representing the root mean square of the weld current.
    • 电弧焊机(10)通过在电极(24)和工件(26)之间进行选择的电流波形执行给定的焊接过程。 焊机(10)包括具有数字处理器(30)的控制器,用于读取瞬时焊接电流的传感器(44)和用于将瞬时电流转换成瞬时焊接电流电平的数字表示的电路(56)。 数字处理器(30)具有程序电路(64,66),以给定速率周期性地读取和平方数字表示,用于对N个平方数字表示求和以给出求和值的寄存器(70,72),以及算法 (82,84,86,88),用于将求和值周期性地除以数量N以提供商,然后取所述商的平方根,从而数字地构建表示焊接电流的均方根的均方根信号(40) 。
    • 6. 发明公开
    • Electric arc welder and method for controlling the welding process of the welder
    • Vorrichtung und Verfahren zur Steuerung eines Bogenschweissprozesses
    • EP1502692A1
    • 2005-02-02
    • EP04015928.7
    • 2004-07-07
    • LINCOLN GLOBAL, INC.
    • Myers, Russell K.Houston, William S.
    • B23K9/095B23K9/10B23K9/09
    • B23K9/0953B23K9/093B23K9/1062
    • An electric arc welder (10) for performing a given weld process with a selected A.C. pulse current waveform performed between an electrode (24) and a workpiece (26), where the current waveform includes a positive segment and a negative segment, with at least one segment including a peak current and background current. The welder comprises: a power source (14) with a controller (30) having a digital processor including a program to calculate the real time power factor of the weld current and weld voltage where the program includes an algorithm to calculate the rms weld voltage, the rms weld current and the average power of said power source; a circuit to multiply the rms current by the rms voltage to produce an rms power level; a circuit to divide the average power by the rms power to create a value representing the actual real time power factor of said power source; and, a circuit to adjust said background current to maintain said power factor at a given level, which is manually adjusted to set the heat of the weld.
    • 一种电弧焊机(10),用于使用在电极(24)和工件(26)之间执行的选定的AC脉冲电流波形执行给定的焊接过程,其中电流波形包括正段和负段,至少 一段包括峰值电流和背景电流。 焊机包括:具有控制器(30)的电源(14),其具有数字处理器,该数字处理器包括用于计算焊接电流和焊接电压的实时功率因数的程序,其中该程序包括用于计算均方根焊接电压的算法, 所述电源的均方根焊接电流和平均功率; 将均方根电流乘以均方根电压以产生均方根功率电平的电路; 将平均功率除以均方根功率以产生表示所述电源的实际实时功率因数的值的电路; 以及用于调节所述背景电流以将所述功率因数保持在给定水平的电路,其被手动调节以设定焊接的热量。