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Marking device for pedestrian protection test

A pedestrian protection and reference line technology, applied in the field of vehicle safety test, to meet the needs of pedestrian protection marking, quickly marking, and ensuring marking accuracy.

Active Publication Date: 2012-05-23
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of quickly and accurately drawing the required technical index lines such as the reference line of the front edge of the hood during the collision protection test of the automobile to pedestrians, and to provide a method with reasonable steps, practical and effective, using computer-aided Pedestrian protection test marking method combined with marking and actual vehicle points

Method used

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  • Marking device for pedestrian protection test
  • Marking device for pedestrian protection test
  • Marking device for pedestrian protection test

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Embodiment Construction

[0021] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

[0022] see figure 1 , a pedestrian protection test marking method in this embodiment is characterized in that the combination of computer-aided marking and actual vehicle 1 trace point is used to quickly draw lines and ensure the marking accuracy, and has the following steps:

[0023] First, the vehicle 1 is adjusted to a test state, and the front surface 2 and the ground plane 3 of the vehicle are scanned by a scanning device. Then, numerically compare the external CAS digital model of the vehicle with the scanning result of the front surface 2 of the vehicle; after the comparison is confirmed to be correct, proceed to the third step, that is, to confirm the external CAS digital model obtained after the comparison in the second step, and use the first Adjust the 3 coordinates of the ground plane scan...

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Abstract

The invention relates to the technical field of a vehicle safety test, in particular to a marking device for a pedestrian protection test, solving problems that various technical index lines such as required reference lines of the front edge of an engine hood can be marked rapidly and accurately in a test of protecting pedestrians from automobile collision, wherein the rapid marking is realized and the marking precision is ensured by combining the computer-aided marking and the actual vehicle point-stroking; the rapid marking is realized and the marking precision is ensured, and moreover, the marking results can be stored in a computer for later check and use.

Description

technical field [0001] The invention relates to the technical field of vehicle safety tests, in particular to a marking method for pedestrian protection tests. Background technique [0002] The technical requirements and test methods for pedestrian protection in the event of a car collision include a number of indicators, such as the adult head shape test area, that is, the outer surface area of ​​the front structure of the vehicle, and the boundary of this area is the front to envelope (WAD) It is 1700mm, from the back to the back reference line of the adult head shape, and from both sides to the side reference line; [0003] The A-pillar extends from the vehicle chassis to the roof, the frontmost and outermost roof support; the front edge of the hood refers to the edge of the upper front outer structure of the vehicle, including the hood, fenders, upper and side elements around the headlights and Other accessories and so on. The reference line to determine the position o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25H7/04
Inventor 吕晓江吴佳吕铖玮王纯刘卫国吴成明赵福全
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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