Vehicle height sensor based on laser radar ranging in airbag

A technology of height sensor and laser radar, which is applied in the direction of instruments, vehicle parts, measuring devices, etc., can solve the problems of restricting the measurement accuracy of height sensors, complex manufacturing process, and complex electromagnetic environment, so as to save labor and time costs and measure stability High, small size effect

Active Publication Date: 2019-08-27
ZHEJIANG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the harsh environment under the vehicle and the complex electromagnetic environment when the car is running, the service life, stability and reliability of the height sensor made by the above principles face certain challenges.
At present, in order to ensure sufficient relevant performance of the above-mentioned existin

Method used

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  • Vehicle height sensor based on laser radar ranging in airbag
  • Vehicle height sensor based on laser radar ranging in airbag
  • Vehicle height sensor based on laser radar ranging in airbag

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[0029] The embodiments of the present invention are described below according to specific embodiments, and those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0030] see Figure 1 to Figure 3 . It should be noted that the structure, proportion, size, etc. shown in the accompanying drawings are only used to cooperate with the contents shown in the description for the understanding and reading of those who are familiar with this technology, and are not the limiting conditions for the implementation of the present invention, so they have no substance. The technical significance of the above, any modification of the structure, the change of the proportional relationship or the adjustment of the size, should still fall within the technical content shown in the present invention without affecting the essential effect that the present invention can produce and the e...

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Abstract

The invention discloses a vehicle height sensor based on laser radar ranging in an airbag. The vehicle height sensor comprises a sensor body and a reflector; the sensor body is connected with an air intake passage of an ECAS system airbag, and the sensor body comprises a laser emitting probe and a laser receiving module; and the reflector is mounted on the inner bottom surface of the airbag and located directly under the laser emitting probe and the laser receiving module. The vehicle height sensor adopts a laser radar ranging principle to effectively measure the absolute height information ofthe airbag to characterize the height of a vehicle frame, the measuring process is performed in the inner space of the closed airbag, and the vehicle height sensor has the characteristics such as high measuring precision, long service life and good reliability; and meanwhile, the height sensor is simple in structure, the assembly process does not need a calibration link, and the vehicle height sensor is higher in assembly efficiency and easy maintenance.

Description

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Claims

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Application Information

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Owner ZHEJIANG UNIV
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