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Combined steering torque-steering angle sensor

A technology of steering angle sensor and steering torque, which is applied in the direction of conversion sensor output, steering mechanism, torque measurement, etc., and can solve the problem of high cost

Inactive Publication Date: 2014-04-30
CONTINENTAL TEVES AG & CO OHG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

A combination of steering angle and torque sensors is known from DE 10 2004 023 801, however, this requires expensive and additional components

Method used

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  • Combined steering torque-steering angle sensor
  • Combined steering torque-steering angle sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052] figure 1 A sectional view of an exemplary steering torque / steering angle sensor is shown, which comprises a first magnetic encoder 1 which is connected via a connecting element 3 to a carrier bushing as first shaft section 2 .

[0053] With regard to the steering torque sensor module, the magnetic field of the first magnetic encoder 1 is influenced by the stator 11 with respect to the differential angle measurement between the stator 11 and the encoder 1 . The stator 11 comprises two stator elements 12 each having protruding fingers, wherein the fingers of the two stator elements intermesh with each other without contact, the stator elements are each assigned a flux concentrator 14, which flux concentrator The magnetic field to be detected generated by the first magnetic encoder 1 is supplied contactlessly to the first magnetic field sensor element 4 .

[0054]The first magnetic encoder 1 protrudes laterally or axially relative to the shaft section 2 by an area assigne...

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Abstract

A steering torque-steering angle sensor comprising a steering torque sensor module and a steering angle sensor module, wherein the steering torque sensor module operates with a magnetic effective principle and has in this respect a first magnetic encoder (1) and at least one first magnetic field sensor element (4), wherein the steering angle sensor module has at least a second magnetic field sensor element (5) and a third magnetic field sensor element (6), wherein the second magnetic field sensor element (5) directly or indirectly senses the magnetic field of the first magnetic encoder (1), that is to say of the magnetic encoder of the steering torque sensor module, and wherein the third magnetic field sensor element (6) senses the magnetic field of an additional, second magnetic encoder (7).

Description

technical field [0001] The invention relates to a steering torque-steering angle sensor according to the preamble of claim 1, or a combined steering torque-steering angle sensor and the use of the steering torque-steering angle sensor in a steering system of a motor vehicle . Background technique [0002] A torque sensor is known from the printed document FR 2 872 896 A1, which detects a differential angle via a torsion bar or its deflection. Here, the movement of a radially magnetized multipole permanent magnet as an encoder relative to a current-guiding ring gear as a stator is measured. The magnetic flux is influenced on the basis of the relative angular position between the magnetic encoder and the stator and is measured by means of Hall probes. A combination of steering angle and torque sensors is known from DE 10 2004 023 801, however, this requires expensive and additional components. Contents of the invention [0003] It is therefore the object of the present in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D15/02
CPCB62D15/0215G01D5/2452B62D6/10G01B7/30G01L3/104
Inventor H·阿克尔H·安东尼
Owner CONTINENTAL TEVES AG & CO OHG
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