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Device for sensing the position of a spoiler on a motor vehicle

A technology of detection device and spoiler, applied in the direction of body, body stability, vehicle components, etc., can solve the problems of misinterpreting spoiler, unable to provide the function of the spoiler working state sensor, etc., to achieve functional effectiveness guarantee Effect

Inactive Publication Date: 2012-10-10
DR ING H C F PORSCHE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the spoiler adjusting device known in the prior art has disadvantages, that is, it cannot provide the driver with information about the actual working state of the spoiler and the function of the sensor, so there is a wrong interpretation of the spoiler for the driver. Hazardous working condition of the device

Method used

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  • Device for sensing the position of a spoiler on a motor vehicle

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Embodiment Construction

[0017] The principle of operation of spoiler control by means of a third Hall sensor is schematically shown in FIG. 1 . The device has three Hall sensors, where the first sensor is configured with the retracted set base position (Retracted E), the second sensor is configured with the set working position (S) and the third sensor is configured with the middle area (Extended A ) configuration. This spoiler arrangement is only one possibility, it is also conceivable to arrange two sensors in the engine as incremental sensors.

[0018] When the spoiler is now moved from the first position into the second position, the drive unit of the spoiler is controlled in the direction of the desired position until it strikes the signal edge of the third Hall sensor, which is arranged, for example, in the central region. The distance traveled can be recorded, for example, by means of an internal pulse of the drive unit and stored with each stop. The drive unit then lies within a predetermin...

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Abstract

A device for sensing a position of a spoiler on a motor vehicle, where the spoiler is moved with a drive unit between a retracted setpoint base position and an extended setpoint operating position. At least one sensor is provided with which at least one of the setpoint positions of the spoiler can be sensed, and which generates first position signals on the basis of the sensed setpoint position. An adjustment position sensing device is provided which senses a current position of the spoiler, and which generates second position signals on the basis of the sensed current position. An evaluationunit evaluates the first position signals and the second position signals, and which actuates, on the basis of the evaluation result, an information device which provides the driver with information about the state of at least one of the position sensing devices and / or actuates the drive unit.

Description

technical field [0001] The invention relates to a device for position detection of a spoiler on a motor vehicle, wherein the spoiler with a drive unit can be positioned between a retracted set base position and at least one extended set working position moving, and wherein at least one sensor is provided, by which at least one of the set positions of the spoiler can be detected, and the sensor generates a first position signal according to the detected set position. Background technique [0002] Various motor vehicles are known from the prior art with spoilers or wind guides which can be adjusted in position. The spoiler, in particular the rear spoiler, has at least one spoiler profile, which can be adjusted relative to the vehicle body between a retracted rest position and an extended active position, in which the spoiler acts as The whole is spaced apart from the vehicle body. Motor vehicles are known, for example, with a rear spoiler which is lowered in the vehicle body...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D37/02
CPCB62D37/02
Inventor D·乔德杰维克
Owner DR ING H C F PORSCHE AG
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