公开(公告)号：US4362990A

公开(公告)日：1982-12-07

申请号：US138005

申请日：1980-04-07

申请人： Gernot Schneider ,  Werner Trinkler ,  Mathis Halder ,  Eva Blazso ,  Jocob de Vries ,  Konrad Schurmann ,  Hans Muntwyler

发明人： Gernot Schneider ,  Werner Trinkler ,  Mathis Halder ,  Eva Blazso ,  Jocob de Vries ,  Konrad Schurmann ,  Hans Muntwyler

IPC分类号： H01F38/20 ,  H01F38/22 ,  G01R1/20 ,  G01R33/00 ,  H01F1/00

CPC分类号： H01F38/20

摘要： A transducer for measuring a current, includes a magnetic core which has a gap substantially impeding passage of any magnetic flux, a coil arranged to pass a premagnetizing current for producing a first magnetic field, a loop for carrying the current to be measured, so as to produce a second magnetic field, and a magnetic field comparision device exposed to the magnetic fields. The magnetic field comparison device includes a magnetic film bridging the flux gap. The film is alternately controllable in respective opposite directions of saturation substantially by the first magnetic field, and evaluates the measuring current in dependence of the magnetic fields. The magnetic core, the coil, the loop, and the magnetic film are substantially disposed concentrically.

摘要翻译： 用于测量电流的换能器包括磁芯，该磁芯具有基本阻碍任何磁通的通过的间隙，布置成传递用于产生第一磁场的预磁化电流的线圈，用于承载待测电流的回路，以便 以产生第二磁场，以及暴露于磁场的磁场比较装置。 磁场比较装置包括桥接磁通间隙的磁性膜。 基本上通过第一磁场，薄膜可以在各自相反的饱和饱和方向上交替地控制，并根据磁场评估测量电流。 磁芯，线圈，环路和磁性膜基本同心地设置。