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Vehicle bumper structure equipped with pedestrian collision detection sensor

A collision detection and sensor technology, applied in bumpers, vehicle parts, vehicle safety arrangements, etc., can solve problems such as pressure pipe deformation

Active Publication Date: 2018-01-02
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, when the shock absorber presses the pressure pipe toward the rear of the vehicle during a collision between the vehicle and the collision body, a reaction force acts on the pressure pipe from the bumper reinforcement, and the pressure pipe deforms.

Method used

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  • Vehicle bumper structure equipped with pedestrian collision detection sensor
  • Vehicle bumper structure equipped with pedestrian collision detection sensor
  • Vehicle bumper structure equipped with pedestrian collision detection sensor

Examples

Experimental program
Comparison scheme
Effect test

example 2

[0132] In Modification 2, the position of the interface of the shock absorber 50 is changed from that of Modification 1 described above. That is, if figure 1 as well as Figure 9A As shown, the interface 66A of Modification 2 is inclined inward in the vehicle width direction as it goes toward the vehicle front side in a plan view, and is arranged to overlap both ends of the bumper RF20 in the vehicle front and rear direction. Specifically, the position of the rear end of the boundary surface 66A is located outside the vehicle width direction relative to both ends of the bumper RF20 in the vehicle width direction, and the position of the front end of the boundary surface 66A is located outside the vehicle width direction relative to both ends of the bumper RF20. Arranged on the inner side in the vehicle width direction. Therefore, the hard part 64A and the soft part 64B are arranged so as to line up in the vehicle front-rear direction at positions closer to the vehicle front ...

example 3

[0135] In Modification 3, the position of the interface of the shock absorber 50 is changed from that of Modification 1 described above. That is, if figure 1 As shown, the boundary surface 66B of Modification 3 extends outward in the vehicle width direction as it goes toward the vehicle front side in plan view, and is arranged to overlap the top end 30A of the support member 30 in the vehicle width direction. That is, in Modification 3, at least the damper-side protruding portion 60 is set as the hard portion 64A, and the other portions are set as the soft portion 64B. In addition, the hard part 64A and the soft part 64B are arranged so as to line up in the vehicle width direction on the outer side in the vehicle width direction with respect to the front end 30A of the support member 30 . Therefore, although illustration is omitted, when the collision body collides from the side of the vehicle 10, similarly to Modification 2, it is possible to use the hard portion arranged on...

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PUM

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Abstract

In the front bumper (12), the supporting parts (30) composed of the bumper RF (20) are assembled on the two ends of the width direction of the bumper RF (20), and the supporting parts (30) fromThe width direction of the bumper RF (20) rises towards the outside of the width direction and extends on the back of the vehicle.In addition, supporting components (30) are adjacent to the rear side of the vehicle with the side of the shock absorber (54) and the side of the pressure pipe (76).Therefore, even in the case of configuration bumper RF (20) in the rear side of the vehicle (10) vehicle (10a) in the process of processing the bumper RF (20), you can use the supporting parts(30) The side of the shock absorber (54) and the side of the pressure pipe (76) from the back of the vehicle (54).As a result, when colliding with a collision, the reaction force for pressure pipe (72) can be generated through support components (30).As a result, it can detect collisions with collisions at the corner (10A).

Description

technical field [0001] The present invention relates to a vehicle bumper structure provided with a pedestrian collision detection sensor. Background technique [0002] In a vehicle bumper structure including a pedestrian collision detection sensor described in Patent Document 1 below, a pressure pipe is provided between the bumper reinforcement and the shock absorber, and the pressure pipe extends along the vehicle width direction. The pressure tube is assembled (embedded) into a groove formed on the shock absorber. Furthermore, when the shock absorber presses the pressure tube toward the rear of the vehicle during a collision between the vehicle and the collision body, a reaction force acts on the pressure tube from the bumper reinforcement, and the pressure tube deforms. Thus, the pressure sensor outputs a signal corresponding to the pressure change of the pressure pipe, and the ECU determines whether the collision object colliding with the vehicle is a pedestrian. In ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R19/48B60R19/18B60R21/00
CPCB60R19/18B60R19/04B60R19/483B60R2019/1873B60R19/22B60R19/48
Inventor 东町直哉
Owner TOYOTA JIDOSHA KK