公开(公告)号：US08860403B2

公开(公告)日：2014-10-14

申请号：US12710675

申请日：2010-02-23

申请人： Arnaud Walther ,  Robert Cuchet ,  Jerome Delamare ,  Aline Msaed ,  Jean-Baptiste Albertini

发明人： Arnaud Walther ,  Robert Cuchet ,  Jerome Delamare ,  Aline Msaed ,  Jean-Baptiste Albertini

IPC分类号： G01B7/14 ,  G01R33/022 ,  G01R33/028

CPC分类号： G01R33/022 ,  G01R33/028 ,  G01R33/0286

摘要： A gradient sensor of a component of a magnetic field comprising at least one elementary sensor comprising a deformable mass (31) equipped with a permanent magnet (32) having a magnetization direction substantially colinear to the direction of the gradient of the component of the magnetic field to be acquired by the sensor. The deformable mass (31) is able to deform under the effect of a force exerted on the magnet by the gradient, the effect of this force being to shift it, by dragging the deformable mass (31), in a direction substantially colinear to the component of the magnetic field for which the sensor has to acquire the gradient. The deformable mass (31) is anchored to a fixed support device (33) in at least two anchoring points (36) substantially opposite relative to the mass (31). The elementary sensor also comprises measuring means (35, 35.1, 35.2, 35.3) of at least one electric variable translating deformation or stress of the deformable mass (31) engendered by the gradient.

摘要翻译： 磁场分量的梯度传感器包括至少一个元件传感器，该至少一个元件传感器包括具有永磁体（32）的可变形质量块（31），该永磁体具有与磁场分量梯度方向大致共线的磁化方向 由传感器采集。 可变形质量块（31）能够在施加在磁体上的力的作用下通过梯度变形，该力的作用是通过将可变形的质量块（31）沿基本上共线的方向 传感器必须获取梯度的磁场分量。 可变形质量块（31）在至少两个相对于质量块（31）相对的固定点（36）中锚固到固定支撑装置（33）。 基本传感器还包括至少一个电可变的测量装置（35,35.1,35.2,35.3），该电可变平移由该梯度产生的可变形质量块（31）的变形或应力。