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    • 4. 发明公开
    • CURRENT SENSOR
    • 电流传感器
    • EP3264049A1
    • 2018-01-03
    • EP16192378.4
    • 2016-10-05
    • Alps Electric Co., Ltd.
    • HEBIGUCHI, Hiroyuki
    • G01D15/20
    • G01D15/20
    • A current sensor (100) includes: a current path (102) through which a current flows in a first direction; an adjacent current path (152) arranged in such a manner as to be adjacent to the current path; a first magnetic sensor (104) detecting a magnetic field due to the current flowing through the current path; and a first yoke (103) having a sectional shape partially surrounding a periphery of the current path in a first virtual plane (171) perpendicular to the first direction. The first yoke includes a gap delimited by two end surfaces parallel to each other. Two end edges (116-1, 116-2) spaced furthest apart from the current path at the two end surfaces, are located in a common second virtual plane (172) perpendicular to the two end surfaces. The first magnetic sensor is arranged in the gap and has a sensitivity direction parallel to the second virtual plane, and the adjacent current path is arranged in the second virtual plane.
    • 电流传感器(100)包括:电流路径(102),电流通过所述电流路径沿第一方向流动; 相邻的电流路径(152),以与所述电流路径相邻的方式配置; 第一磁性传感器(104),其检测由于流过电流路径的电流而引起的磁场; 以及在垂直于第一方向的第一虚拟平面(171)中具有部分地围绕电流路径的周边的截面形状的第一轭(103)。 第一磁轭包括由两个彼此平行的端面限定的间隙。 在两个端面上与电流路径最远间隔开的两个端部边缘(116-1,116-2)位于与两个端面垂直的公共第二虚拟平面(172)中。 第一磁传感器布置在间隙中并且具有平行于第二虚拟平面的灵敏度方向,并且相邻的电流路径布置在第二虚拟平面中。