阅读说明：本技术 具有感应地联接、相互啮合的部件的扭矩传感器 (Torque sensor with inductively coupled, intermeshing components ) 是由 佐尔坦·鲍劳尼奥伊 盖尔盖伊·达洛基 拉斯洛·费克特 杰尔格利·拉奇 阿多尔然·科瓦奇 于 2020-03-31 设计创作，主要内容包括：本发明涉及一种扭矩传感器(12),该扭矩传感器用于对引入到机动车辆的上部轴(3)中的扭矩进行测量,其中,能够围绕纵向轴线(100)旋转的上部轴(3)可以经由扭转杆(12)连接至下部轴(30)。扭矩传感器(11)具有两个相互啮合的部件,其中,第一部件(13)可以连接至上部轴(3)并且第二部件(14)可以连接至下部轴(30)。部件(13、14)具有沿纵向方向突出的表面,其中,一部件(13、14)的表面与另一部件(13、14)的相关联的表面沿纵向方向至少部分地交叠。扭矩传感器具有至少一个传感器对,其中,一个传感器对具有：传感器线圈(23),该传感器线圈布置在一部件(13、14)的沿纵向方向突出的表面中的一个表面上,该传感器线圈可以产生高频的交变磁场；以及金属元件(22),该金属元件布置在另一部件(13、14)的沿纵向方向突出的表面中的一个表面上。引入到上部轴(3)中的扭矩引起传感器线圈(23)与金属元件(22)之间的距离的改变,其中,扭矩传感器包括下述装置：该装置设计成对由距离的改变引起的交变磁场的频率进行测量以及根据该频率确定引入到上部轴(3)中的扭矩。(The invention relates to a torque sensor (12) for measuring a torque introduced into an upper shaft (3) of a motor vehicle, wherein the upper shaft (3) rotatable about a longitudinal axis (100) can be connected to a lower shaft (30) via a torsion bar (12). The torque sensor (11) has two mutually engaging parts, wherein the first part (13) can be connected to the upper shaft (3) and the second part (14) can be connected to the lower shaft (30). The parts (13, 14) have surfaces protruding in the longitudinal direction, wherein the surface of one part (13, 14) at least partially overlaps the associated surface of the other part (13, 14) in the longitudinal direction. The torque sensor has at least one sensor pair, wherein one sensor pair has: a sensor coil (23) which is arranged on one of the surfaces of a component (13, 14) projecting in the longitudinal direction and which can generate a high-frequency alternating magnetic field; and a metal element (22) that is arranged on one of the surfaces of the other component (13, 14) that protrude in the longitudinal direction. The torque introduced into the upper shaft (3) causes a change in the distance between the sensor coil (23) and the metal element (22), wherein the torque sensor comprises the following means: the device is designed to measure the frequency of the alternating magnetic field caused by the change in distance and to determine the torque introduced into the upper shaft (3) on the basis of this frequency.)

1. A torque sensor (12) for measuring a torque introduced into an upper shaft (3) of a motor vehicle, wherein the upper shaft (3), which is rotatable about a longitudinal axis (100), is connectable to a lower shaft (30) via a torsion bar (12), characterized in that the torque sensor (11) has two parts which mesh with each other in the longitudinal direction of the longitudinal axis (100), wherein a first part (13) is connectable to the upper shaft (3) and a second part (14) is connectable to the lower shaft (30), and wherein the parts (13, 14) have surfaces which project in the longitudinal direction, wherein a surface of one part (13, 14) at least partially overlaps with an associated surface of the other part (13, 14) in the longitudinal direction, and wherein the torque sensor has at least one sensor pair, wherein a sensor pair has a sensor coil (23) and a metal element (22), the sensor coil (23) being capable of generating alternating magnetic fields of high frequency, the sensor coil (23) being arranged on one of the surfaces of one component (13, 14) protruding in the longitudinal direction, the metal element (22) being arranged on one of the surfaces of the other component (13, 14) protruding in the longitudinal direction, and wherein a torque introduced into the upper shaft (3) causes a change in the distance between the sensor coil (23) and the metal element (22), wherein the torque sensor comprises the following means: the device is designed to measure the frequency change of the alternating magnetic field caused by the change in distance and to determine the torque introduced into the upper shaft (3) from the frequency change.

2. The torque sensor according to claim 1, wherein each of the two parts (13, 14) has at least two surfaces, wherein a sensor coil (23) is arranged on a first surface and a metallic element (22) is arranged on a second surface, and wherein the sensor coil (23) and the metallic element (22) are directed away from each other.

3. Torque sensor according to claim 2, characterized in that said sensor coil (23) of one component (13, 14) and said metallic element (22) of the other component (13, 14) and said metallic element (22) of one component (13, 14) and said sensor coil (23) of the other component (13, 14) are oriented towards each other and are located at a distance from each other.

4. Torque sensor according to any one of the preceding claims, characterized in that said components (13, 14) concentrically surround the respective shaft (3, 30) and are in the form of a substantially cylindrical shape.

5. Torque sensor according to any one of the preceding claims, characterized in that said part (13, 14) has a circular base plate (19), at least one protrusion (18) protruding from said base plate (19), said at least one protrusion (18) extending over a sector and said at least one protrusion (18) forming said surface on a lateral surface extending in said longitudinal direction and along a radius.

6. The torque sensor according to any one of the preceding claims, wherein the surface is flat.

7. Torque sensor according to any one of the preceding claims, characterized in that two projections (18) are provided, both projections (18) being of identical design and both projections (18) being arranged circumferentially symmetrically around the longitudinal axis.

8. Torque sensor according to any one of the preceding claims, characterized in that both components (13, 14) are identical.

9. Torque sensor according to any one of the preceding claims, characterized in that on said surface of said substrate (19) there are arranged electronic means (24) necessary for frequency measurement.

10. The torque sensor according to any one of the preceding claims, wherein the power supply and the transmission of the measurement signal of the sensor pair are wireless.

11. Torque sensor according to any one of the preceding claims, characterized in that a WPT coil (25) is arranged on the surface of said base plate (19) remote from said protrusion, said WPT coil (25) being arranged to inductively receive electric energy from a primary coil (27) connected to a sensor housing (26).

12. The torque sensor according to any one of the preceding claims, wherein a signal coupling coil (28) is arranged on a circumferential surface of the base plate (19), the signal coupling coil (28) being arranged to transmit the digital output signals of the sensor pair to a secondary coil (29), the secondary coil (29) being attached to a fixed sensor housing (26).

13. An electromechanical power steering system for a motor vehicle, the electromechanical power steering system comprising: an upper shaft (3) and a lower shaft (30), the upper shaft (3) being connected to a steering wheel (2), the lower shaft (30) being connected to the upper shaft (3) via a torsion bar (15); the torque sensor (12) according to any one of claims 1 to 13; and an electric motor (8), the electric motor (8) being configured to support a steering movement introduced by a driver into the steering wheel (2) as a function of the torque measured by the torque sensor (12).