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Sensor system for a motor vehicle

A motor vehicle and sensor technology, applied in the field of sensor systems, can solve problems such as uncontrollable, and achieve the effect of safety sensor conductor arrangement

Inactive Publication Date: 2014-06-18
JOYSON SAFETY SYST GERMANY GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem arises due to the fact that the parasitic capacitance between the capacitive sensor element and the heating wire of the electric heating element varies depending on the temperature of the heating wire and is therefore not controllable

Method used

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  • Sensor system for a motor vehicle
  • Sensor system for a motor vehicle
  • Sensor system for a motor vehicle

Examples

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Embodiment Construction

[0038] figure 1 A partially cutaway perspective view showing the structure of a steering wheel rim 10 of a vehicle steering wheel. In its interior, the steering wheel rim 10 comprises a metal skeleton 1 surrounded by an insulator 2 . The insulator 2 is made of, for example, a foam material such as urethane foam or synthetic rubber. It can also be provided that the insulator 2 consists of several layers of different materials. The insulation 2 may subsequently also be referred to as a foam layer.

[0039] The foam layer 2 is surrounded by a heating layer 3 comprising one or more heating elements. In particular, the heating layer 3 includes a conductive material that becomes hot upon application of a voltage due to its ohmic resistance. The electrically conductive material is constituted, for example, by a heating wire formed in the heating layer 3 . Below, no distinction is made between the heating layer 3 and the heating elements formed therein, since the heating elements...

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Abstract

The invention relates to a sensor system for a motor vehicle with a flat screening element (4) which is electrically conductive and can be acted upon by an electrical potential, and at least one capacitive sensor element (5) that has an electrically conductive structure (50) which is arranged on one side of the screening element (4), wherein said sensor element (5) as an electrically conductive structure (50) has at least one sensor conductor (50) which forms a thread (N1) and is sewn to one side of the screening element (4).

Description

technical field [0001] The invention relates to a sensor system for a motor vehicle. Background technique [0002] According to DE 10 2009 055 424 A1 it is known that a capacitive sensor element is integrated in a vehicle component such as the steering wheel rim of a vehicle steering wheel or the sensor mat of a vehicle seat, connected to an evaluation unit which detects the And at least one measurement is evaluated. In order to provide a defined distance between the sensor element and the electric heating element, the capacitive sensor element is designed as an outer conductor surrounding the electric heating element formed as an inner conductor. [0003] Further arrangements in which the sensor element is integrated in the steering wheel rim of the vehicle steering wheel are known from DE 10 2006 031 207 B3 and DE 10 2007 024 141 A1. [0004] When integrating both the electric heating element and the capacitive sensor element in a vehicle component such as a steering whe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D1/04B62D1/06G01L5/22B60N2/00
CPCB62D1/046G01L1/142B60N2/002G01R27/2605G01L5/221G01L1/144B62D1/06G01L1/26B60N2/0035B60N2230/30B60N2/0034B60N2210/12
Inventor 马库斯·坎德勒阿尔布雷希特·克雷奇马尔
Owner JOYSON SAFETY SYST GERMANY GMBH
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