公开(公告)号：US20120118865A1

公开(公告)日：2012-05-17

申请号：US12946071

申请日：2010-11-15

申请人： Elliott K. Stava ,  Keith L. Clark

发明人： Elliott K. Stava ,  Keith L. Clark

IPC分类号： B23K9/10

CPC分类号： B23K9/1031 ,  B23K9/1006 ,  B23K37/006 ,  Y10T307/826 ,  Y10T307/832

摘要： Apparatus, devices, and methods for providing a voltage reduction capability in a welding power source for safety purposes. The resistive load and the output voltage of the welding power source output are monitored and compared to predefined or preselected threshold values to generate a load condition signal and an output voltage condition signal (e.g., logic signals). The load condition signal and the output voltage condition signal serve as inputs to a voltage reduction device control logic which generates control signals to enable and disable the input and output of the welding power source according to the defined control logic. As a result, an extra measure of safety in preventing electrical shock is provided to users of the welding power source during hazardous operating conditions.

摘要翻译： 为了安全起见，为了在焊接电源中提供降压能力的装置，装置和方法。 监测焊接电源输出的电阻负载和输出电压，并将其与预定义或预选阈值进行比较，以产生负载状态信号和输出电压状态信号（例如，逻辑信号）。 负载条件信号和输出电压条件信号用作电压降低装置控制逻辑的输入，电压降低装置控制逻辑产生控制信号，以根据所定义的控制逻辑启用和禁用焊接电源的输入和输出。 结果，在危险的操作条件下，为焊接电源的用户提供了防止电击的额外的安全措施。

公开(公告)号：US07385159B2

公开(公告)日：2008-06-10

申请号：US10872039

申请日：2004-06-21

申请人： Elliott K. Stava

发明人： Elliott K. Stava

IPC分类号： B23K9/073

CPC分类号： B23K9/1043

摘要： An auxiliary OCV boost circuit for the power source of an electric arc welder to perform a welding process between an electrode and a workpiece, which power source has a main positive voltage output with a first voltage and a main negative voltage output with a second voltage. The boost circuit comprises a source of positive boost voltage substantially greater than the first voltage, a first switch to add the positive boost voltage to the main positive voltage, a source of negative boost voltage substantially greater than the second voltage, a second switch to add the negative boot voltage to the main negative voltage and a switch control device activated to selectively enable the first and second switches. This OCV boost circuit can be selectively operated in DC mode wherein only the main and boost voltages of one polarity is implemented.

摘要翻译： 一种用于电弧焊机的电源的辅助OCV升压电路，用于在电极和工件之间执行焊接处理，该电源具有以第一电压输出的主正电压和以第二电压输出的主负电压。 升压电路包括基本上大于第一电压的正升压电压源，将正升压电压加到主正电压的第一开关，基本上大于第二电压的负升压电压源，第二开关增加 负启动电压到主负电压，并且开关控制装置被激活以选择性地启用第一和第二开关。 该OCV升压电路可以选择性地在DC模式下工作，其中仅实现一个极性的主电压和升压电压。

公开(公告)号：US07282667B2

公开(公告)日：2007-10-16

申请号：US11154766

申请日：2005-06-16

申请人： Christopher Hsu ,  Elliott K. Stava ,  Jeffrey R. Klein ,  David J. Barton ,  George D. Blankenship

发明人： Christopher Hsu ,  Elliott K. Stava ,  Jeffrey R. Klein ,  David J. Barton ,  George D. Blankenship

IPC分类号： B23K9/095

CPC分类号： B23K9/126 ,  B23K9/0953 ,  B23K9/0956 ,  B23K9/124 ,  B23K9/1675

摘要： An electrode position detection system for a welder having a laser that is projected in a lateral plane to laterally cross a welding wire at a location below a contact tip of a welding gun and a receiver that receive the laser bean after crossing the welding wire, and a measuring device that determines one or more parameter of the welding wire based on the received laser beam. Arc voltage measurements can also be used to determine one or more parameter of the welding wire.

摘要翻译： 一种用于焊接机的电极位置检测系统，其具有投影在横向平面中以在焊枪的接触尖端下方的位置横向交叉的激光器和在穿过焊丝之后接收激光束的接收器的激光器，以及 测量装置，其基于所接收的激光束确定焊丝的一个或多个参数。 电弧电压测量也可以用于确定焊丝的一个或多个参数。

公开(公告)号：US07271365B2

公开(公告)日：2007-09-18

申请号：US11103040

申请日：2005-04-11

申请人： Elliott K. Stava ,  Russell K. Myers

发明人： Elliott K. Stava ,  Russell K. Myers

IPC分类号： B23K9/09

CPC分类号： B23K9/173 ,  B23K9/093 ,  B23K9/0953

摘要： Systems and methods are provided for pulse welding, in which a welding signal is provided to an electrode in series of pulse welding cycles, where the amount of energy applied to the electrode in each cycle is determined and a pulse is provided to initiate a transfer condition of each cycle based at least partially on the energy applied in the cycle.

摘要翻译： 提供了用于脉冲焊接的系统和方法，其中焊接信号被提供给串联脉冲焊接周期的电极，其中确定了施加到每个周期中的电极的能量的量并且提供脉冲以启动转移条件 至少部分地基于在循环中施加的能量。

公开(公告)号：US07166818B2

公开(公告)日：2007-01-23

申请号：US11218395

申请日：2004-09-29

申请人： Elliott K. Stava ,  Steven R. Peters

发明人： Elliott K. Stava ,  Steven R. Peters

IPC分类号： B23K9/09

CPC分类号： B23K9/092 ,  B23K9/1068 ,  B23K9/121 ,  B23K9/1735

摘要： An electric arc welding apparatus comprising at least a first consumable electrode and a second consumable electrode movable in unison along a welding path between the edges of two adjacent, mutually grounded plates, a first power supply for passing a first welding current at a first low frequency between the first electrode and the two plates, a second power supply for passing a second welding current at a second low frequency between the second electrode and the two plates, where each of the power supplies includes a three phase voltage input operated at line frequency, a rectifier to convert the input voltage to a DC voltage link and a high frequency switching type inverter converting the DC voltage link to a high frequency AC current, an output rectifier circuit to provide a positive voltage terminal and a negative voltage terminal, and an output switching network operated at a given low frequency for directing a pulsating welding current at the given low frequency from the two terminals across one of the electrodes and the plates, and a circuit for independently adjusting the given low frequency so the value of the first low frequency of the first power supply is different from the second low frequency of the second power supply.

摘要翻译： 一种电弧焊接装置，包括至少第一消耗电极和第二可消耗电极，所述第一消耗电极和第二可消耗电极沿着两个相邻的相互接地的板的边缘之间的焊接路径一体移动;第一电源，用于使第一低电压的第一焊接电流 在第一电极和两个板之间的第二电源，用于在第二电极和两个板之间以第二低频通过第二焊接电流，其中每个电源包括以线路频率操作的三相电压输入， 将输入电压转换为直流电压链路的整流器和将直流电压链路转换为高频交流电流的高频开关型逆变器，提供正电压端子和负电压端子的输出整流电路，以及输出 在给定的低频下操作的开关网络用于从两个三极管引导以给定低频率的脉动焊接电流 电极和板之间的微型电极，以及用于独立地调节给定低频率的电路，使得第一电源的第一低频值不同于第二电源的第二低频。

公开(公告)号：US06600134B2

公开(公告)日：2003-07-29

申请号：US10059807

申请日：2002-01-31

申请人： Elliott K. Stava

发明人： Elliott K. Stava

IPC分类号： B23K909

CPC分类号： B23K9/1075 ,  B23K9/1062

摘要： A power supply connectable to a source of AC line voltage for AC electric arc welding by an AC arc current across a welding gap between an electrode and a workpiece, the power supply comprises a high capacity transformer that converts said line voltage to an AC output voltage, and a rectifier that converts the AC output voltage to a DC voltage between a positive terminal and a common terminal at generally zero volts and a negative terminal and the common terminal. The power supply has a first switch that connects the positive terminal to the common terminal across the gap when a gate signal is applied to the first switch, a second switch for connecting the negative terminal to the common terminal across the gap when a gate signal is applied to the second switch and a pulse width modulator operated for generating pulses at a frequency of at least about 18 kHz. A logic network has a first circuit for directing the pulses to the first switch for a first time, a second circuit for directing the pulses to the second switch for a second time and a controller to alternately operate first and second circuits to create AC arc welding current.

公开(公告)号：US06291798B1

公开(公告)日：2001-09-18

申请号：US09406406

申请日：1999-09-27

申请人： Elliott K. Stava

发明人： Elliott K. Stava

IPC分类号： B23K910

CPC分类号： B23K9/1006 ,  B23K9/1056 ,  B23K9/1068 ,  B23K9/1075

摘要： An electric arc welder comprising a plurality of power supplies connected to a single welding station with a D.C. input for passing an arc welding current across an electrode and workpiece, each of the power supplies including a switching type inverter with an output D.C. current determined by a signal applied to the input of the power supply, a circuit connecting the output D.C. currents in parallel at the input of the welding station, a feedback circuit including a sensor for creating a current signal representing the arc current, a command signal source, and a circuit for creating a master current signal based upon the sensed current signal and the command signal, and a circuit for applying said master current signal to the input of the plurality of power supplies whereby the D.C. current to the D.C. input of the welding station is equally shared by the power supplies.

摘要翻译： 一种电弧焊机，包括连接到单个焊接站的多个电源，具有用于使电弧焊接电流穿过电极和工件的DC输入，每个电源包括具有由 施加到电源的输入的信号，在焊接站的输入处并联连接输出DC电流的电路，包括用于产生表示电弧电流的电流信号的传感器的反馈电路，命令信号源和 基于感测到的电流信号和命令信号产生主电流信号的电路，以及用于将所述主电流信号施加到多个电源的输入的电路，由此到焊接站的直流输入的直流电流相等 由电源共享。

公开(公告)号：US06274845B1

公开(公告)日：2001-08-14

申请号：US09685824

申请日：2000-10-11

申请人： Elliott K. Stava ,  Christopher Hsu ,  Peter Nicholson

发明人： Elliott K. Stava ,  Christopher Hsu ,  Peter Nicholson

IPC分类号： B23K9095

CPC分类号： B23K9/0735 ,  B23K9/0216 ,  B23K9/1056 ,  B23K9/1276

摘要： An electric arc welding apparatus for depositing molten metal from an advancing welding wire into a weld puddle in an open root between two juxtapositioned plates where the root extends in a welding path and is formed by converging walls terminating in generally parallel walls spaced to define a gap, which apparatus comprises a contact holder with a wire outlet, a switching power supply directing welding current to the wire as the wire passes from the outlet toward the open root, with the advancing wire defining an electrode stick out between the contact holder and the weld puddle, a circuit for sensing the length of the stick out, and control means for adjusting the welding current as a function of the sensed stick out length.

摘要翻译： 一种电弧焊接装置，用于将熔融金属从前进的焊丝沉积到两个并置板之间的开放根部中的焊接熔池中，其中根部在焊接路径中延伸并且通过会聚壁形成，所述壁终止于大致平行的壁，间隔开以限定间隙 该设备包括具有电线出口的接触保持器，当电线从出口朝向开放根部时将引导焊接电流引导到电线的开关电源，其中前进线限定了电极伸出触点支架和焊缝之间 水池，用于感测伸出长度的电路，以及用于根据所感测的伸出长度调整焊接电流的控制装置。

公开(公告)号：US06111216A

公开(公告)日：2000-08-29

申请号：US233235

申请日：1999-01-19

申请人： Elliott K. Stava

发明人： Elliott K. Stava

IPC分类号： B23K9/073 ,  B23K9/06 ,  B23K9/09 ,  B23K9/10

CPC分类号： B23K9/1062 ,  B23K9/091 ,  B23K9/1043

摘要： In a welding power supply for creating welding current in a succession of current pulses with a maximum current level and a trailing off state which current pulses passing through a series circuit including an inductor and electrode in welding relationship with a workpiece wherein the power supply has (a) an inverter stage with an input to be connected to a power source, a first terminal at a first electrical polarity when the inverter is on, a second terminal at a second electrical polarity when the inverter is on, and a control to generate an off signal to turn the inverter off and remove current from the terminals to shift said current pulse toward an off state; and, (b) a power switching stage including a transistor based switch having a conduction condition passing current from the first terminal upon creation of a first logic signal and a non-conduction condition blocking current upon creation of a second logic signal, the improvement comprising: a sensor for measuring the instantaneous value of the welding current, a comparator for producing a low current signal when the instantaneous current is at a selected value substantially below the maximum current level and a circuit or program for creating the second logic signal upon production of a low current signal after generation of an off signal whereby the transistor based switch is switched from the conduction condition to the non-conduction condition when the welding current is generally at the selected value.

摘要翻译： 一种焊接电源，用于在具有最大电流电平和拖尾关断状态的一系列电流脉冲中产生焊接电流，电流脉冲通过包括电感器和电极的串联电路与工件处于焊接关系，其中电源具有 a）具有要连接到电源的输入端的逆变器级，当所述逆变器接通时具有第一电极性的第一端子，当所述逆变器接通时具有第二电极性的第二端子，以及用于产生 关闭信号以关闭逆变器，并且从端子移除电流以将所述电流脉冲移向关闭状态; 以及（b）功率开关级，包括基于晶体管的开关，当产生第二逻辑信号时，产生第一逻辑信号和非导通状态阻断电流，导通条件从第一端子通过电流，该改进包括 ：用于测量焊接电流的瞬时值的传感器，当瞬时电流处于基本上低于最大电流电平的选定值时产生低电流信号的比较器，以及用于在产生第二逻辑信号时产生第二逻辑信号的电路或程序 在产生关闭信号之后的低电流信号，从而当焊接电流通常为选定值时，基于晶体管的开关从导通状态切换到非导通状态。

公开(公告)号：US5148001A

公开(公告)日：1992-09-15

申请号：US577105

申请日：1990-09-04

申请人： Elliott K. Stava

发明人： Elliott K. Stava

IPC分类号： B23K9/073 ,  B23K9/09 ,  B23K9/10 ,  B23K9/12 ,  E21B47/00 ,  E21B47/08 ,  G01V1/46

CPC分类号： B23K9/092 ,  B23K9/0732 ,  B23K9/1043 ,  B23K9/125 ,  G01V1/46

摘要： There is provided an improvement in a short circuiting arc welding system comprising a work station with a consumable electrode and workpiece, a D.C. power supply with a positive and a negative terminal, high frequency current control means for applying a welding circuit with a given time-based profile across the work station while the electrode is short circuited and while the electrode is spaced from the workpiece, a welding current circuit means including a first means for creating a first inductive reactance in series with the current control means and work station whereby the welding current follows the time-based profile in accordance with the first inductive reactance. The improvement comprises a background current circuit means between the power supply and the work station and in parallel with the current control means and first means for applying continuously a background current across the work station. This background current circuit means includes a second means for creating a second inductive reactance substantially greater than the first inductive reactance and a resistor means for controlling the background current flowing continuously from the power supply to the work station through the background current circuit means.

摘要翻译： 提供了一种短路电弧焊接系统的改进，该短路电弧焊接系统包括具有消耗电极和工件的工作站，具有正极和负极端子的直流电源，用于施加具有给定时间的焊接电路的焊接电路的高频电流控制装置， 在电极短路的同时，当电极与工件间隔开时，焊接电流电路装置包括用于产生与电流控制装置和工作站串联的第一感抗的第一装置，由此焊接 电流按照第一感抗跟随时基轮廓。 该改进包括电源和工作站之间的背景电流电路装置，并且与电流控制装置和第一装置连续地施加跨工作站的背景电流。 该背景电流电路装置包括用于产生基本上大于第一感抗的第二感抗的第二装置和用于控制通过背景电流电路装置从电源连续工作到工作站的背景电流的电阻装置。