The invention relates to the technical field of torque angle sensors, in particular to a torque angle sensor of an electric power steering system, which comprises a shell, a magnet driven gear assembly, an input rotor, a PCB (printed circuit board), a cover plate and an output rotor, rotor blades, a driving gear and a rotor sleeve are integrally arranged; the rotor blade is used for generating an induced magnetic field, and the driving gear and the magnet driven gear set rotate in a meshed mode; the magnet driven gear set is formed by magnet insert injection molding, and the magnet driven gear set is provided with a magnet used for generating a magnetic field so as to influence sensing of the angle chip. The input rotor is integrally formed through insert injection molding, the magnet driven gear set is formed through magnet insert injection molding, and the follow-up installation technology and installation steps are simplified. The technical problems that in the prior art, friction noise between the input shaft and the upper shell is large, the technology is complex, and the number of installation steps is large are solved.
本发明涉及扭矩角度传感器技术领域,具有涉及一种电动助力转向系统的扭矩角度传感器,该扭矩角度传感器包括壳体、磁铁从动齿轮组件、输入转子、PCB板、盖板和输出转子,所述输入转子为嵌件注塑一体而成,并集成布置有转子叶片、驱动齿轮和转子套筒;所述转子叶片用于产生感应磁场,驱动齿轮与磁铁从动齿轮组进行啮合转动;所述磁铁从动齿轮组通过磁石嵌件注塑而成,磁铁从动齿轮组件具有用于产生磁场的磁体,以影响角度芯片的感知;输入转子采用嵌件注塑一体而成,磁铁从动齿轮组通过磁石嵌件注塑而成,均简化了后续的安装工艺和安装步骤;本发明解决了现有技术中输入轴与上壳体摩擦噪音大以及工艺复杂和安装步骤多的技术问题。
Torque angle sensor of electric power steering system
一种电动助力转向系统的扭矩角度传感器
2024-12-20
Patent
Electronic Resource
Chinese
IPC: | G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / B62D MOTOR VEHICLES , Motorfahrzeuge / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen |
ANGLE SENSOR, TORQUE SENSOR, ELECTRIC POWER STEERING DEVICE, TRANSMISSION, AND VEHICLE
European Patent Office | 2016
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