公开(公告)号：US5637947A

公开(公告)日：1997-06-10

申请号：US368328

申请日：1995-01-04

Applicant: Jurgen Kising ,  Gerd Reitmayer ,  Mato Modric

Inventor： Jurgen Kising ,  Gerd Reitmayer ,  Mato Modric

IPC: B23K20/10 ,  B06B1/02 ,  B29C65/08 ,  H01L41/09 ,  H04R3/00 ,  H03L7/00 ,  H03H9/00

CPC classification number: B29C65/08 ,  B06B1/0253 ,  B29C66/9512 ,  B29C66/9592 ,  B29C66/961 ,  B06B2201/72 ,  B29C66/91231 ,  B29C66/91421 ,  B29C66/919 ,  B29C66/9221 ,  B29C66/92431 ,  B29C66/944 ,  B29C66/9513 ,  B29C66/9516

Abstract: The invention relates to a method for a unique control of the frequency andutput power of a digital generator, in particular for an ultrasonic welding process. Based on a digital processing, the method according to the present invention compensates not only for variations of the resonant frequency in a broad range, but further provides to control a shifting of the resonant point during the welding process in response to temperature or pressure variations. Power variations caused by variations of the line supply voltage or by the pressure are detected and levelled out by the software. The software monitors the overall operation of in-line machinery, matches its parameters and monitors the complete cycle. The software further ensures an optimum efficiency and effectively protects the end stage against stress caused by high-reactive currents.

Abstract translation: 本发明涉及用于独特控制数字发生器的频率和输出功率的方法，特别是用于超声波焊接工艺。 基于数字处理，根据本发明的方法不仅补偿了宽范围内的谐振频率的变化，而且还响应于温度或压力变化来控制在焊接过程期间的谐振点的偏移。 由电源电压或压力变化引起的功率变化由软件检测和调平。 该软件监控在线机械的整体运行，匹配其参数并监控整个周期。 该软件进一步确保最佳效率，并有效保护终端免受高电流电流引起的应力。