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Sensor system, sensor element, and method for monitoring a closing mechanism

A sensor, electric sensor technology, applied in the field of sensor systems, to achieve the effect of safe and reliable detection, compact structure, and low price

Inactive Publication Date: 2009-08-05
LEONI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the following problem arises here: Due to the risk of injury, a safe detection of the trapped situation must be ensured

Method used

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  • Sensor system, sensor element, and method for monitoring a closing mechanism
  • Sensor system, sensor element, and method for monitoring a closing mechanism
  • Sensor system, sensor element, and method for monitoring a closing mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] figure 1 The closing mechanism is shown in an embodiment of a sliding door 2 , which is supported displaceably in a guide rail in the direction of the double arrow and can be moved into the closed position towards, in particular, an apron 4 of a motor vehicle body. The body 6 is at ground potential 7 . The sliding door 2 has a sensor element 8 on its front face facing the apron 4 . Alternatively, the sensor element can also be arranged on the respective end face of the apron 4 or both on this end face of the sliding door 2 and on this end face of the apron. The sensor element 8 is here formed by a rubber sealing profile 9, wherein an optical fiber 10, a first electrode 12 of the helically wound optical fiber, and preferably also a second electrode 14 are integrated in the sealing profile (for this see see Figure 2 to Figure 11 ).

[0039] exist figure 1 In the exemplary embodiment of the present invention, a coupling element 16 is arranged at both ends of the senso...

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PUM

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Abstract

Disclosed is a sensor system comprising an optical pressure sensor and an additional electrical, capacitive sensor in order to be able to reliably detect an object which is jammed between two parts that are moved relative to each other in a motor-driven closing mechanism, particularly an electromotive window lifter system. The optical pressure sensor encompasses a light-guiding element, a light source for injecting light into the light-guiding element, and a light sensor for detecting the extracted light. The electrical sensor encompasses an electrode that is connected to a voltage source. Both sensors are allocated to one respective evaluation unit for evaluating the respective signal.

Description

technical field [0001] The invention relates to a sensor system and a sensor element for such a sensor system, wherein the sensor system is used in particular for the monitoring of an object between two parts of the closing mechanism which are moving relative to each other for an electrically driven closing mechanism. Clamp (Einklemmen). The invention also relates to a method for monitoring a closing mechanism. Background technique [0002] For safety reasons, anti-trap measures must be provided for electrically driven closing mechanisms, especially in the automotive industry, for example as motor-operated window lifters, sliding doors, trunk lids, sliding sunroofs, etc. . The anti-trap system minimizes the risk of injury if a human body part inadvertently enters the path of motion of an electrically driven closing element, such as a window pane or a door, and becomes clamped, for example, against the vehicle body . In such a pinch situation (Einklemmfall), the drive mot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/24E05F15/00
CPCE05Y2800/22E05Y2900/50E05F2015/0052E05Y2600/46E05F15/003E05F15/0073E05F15/431E05F15/46E05F2015/436E05F15/00G01D21/02G01L1/14G01L1/24
Inventor G·赖辛格G·考德尔M·弗龙贝格尔C·威斯K·A·沃斯伯格M·尤格
Owner LEONI AG
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