本发明涉及一种车辆,包括:底盘,其可沿行驶方向移动;两个后轮,其在沿行驶方向上可见的后侧可移动地承载底盘;两个前轮,其在沿行驶方向可见的前侧可移动地承载底盘;转向盘,其用于使转向柱绕旋转轴线转动以使前轮转向;以及转向角传感器,其用于利用编码器和磁体传感器测量转向柱绕旋转轴线的旋转角,编码器固定到转向柱,磁体传感器布置成在旋转轴线上从编码器轴向位移,其中,编码器包括:第一磁体,其具有指向磁体传感器的顶侧;和第二磁体,其与顶侧相对地附接到第一磁体,其中第一磁体包括从顶侧开始至少延伸到第二磁体的凹部,其中各个磁体被与旋转轴线正交地磁化,其中关于磁极,第一磁体和第二磁体布置成沿旋转方向相互移位。
The invention relates to a vehicle (2) comprising- a chassis (4) that is moveable in a driving direction (3),- two rear wheels (6) moveably carrying the chassis (4) on the rear side seen in the driving direction (3),- two front wheels (6) moveably carrying the chassis (4) on the front side seen in the driving direction (3),- a steering wheel (7) for turning a steering column (26) around a rotation axis (28) for steering the front wheels (5), and- a steering angle sensor (32) for measuring a rotation angle (8) of the steering column (26) around the rotation axis (28) with an encoder (34) that is stationary to the steering column (26) and with a magnet sensor (36) that is disposed axially displaced (72) from the encoder (34) on the rotation axis (28),the encoder (34) includes a first magnet (38) with a top side (48) directed to the magnet sensor (36) and a second magnet (40) attached to the first magnet (38) opposite to the top side (48), wherein the first magnet (38) includes a recess starting (50) from the top side (48) and extending at least until the second magnet (40), wherein each magnet (38, 40) is magnetized orthogonal to the rotation axis (28), and wherein regarding from the magnetizations (42, 44), the first magnet (38) and the second magnet (40) are displaced against each other in rotation direction (46).
带开槽磁体的转向角传感器
2022-10-14
Patent
Elektronische Ressource
Chinesisch