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Tester for detecting impact of passenger vehicle instrument panel on knee part

A passenger car and tester technology, applied in the direction of impact test, vehicle test, machine/structural component test, etc., can solve the limitations of test methods, no occupant knee protection requirements and test methods, and can not be well collected Effective data and other issues to achieve the effect of simple operation

Pending Publication Date: 2017-12-12
CATARC AUTOMOTIVE QUALITY INSPECTION CENT NINGBO
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the European EEC and ECE standards, my country drafted and promulgated GB 11552-2009 "Protruding Objects Inside Passenger Cars" and GB 11551-2003 "Occupant Protection in Frontal Collision of Passenger Cars", but there is currently no special standard that clearly points out the Knee protection requirements and test methods, this project can fill the gap well
[0003] Generally speaking, my country's auto industry lags behind European auto industry powerhouses in terms of auto safety research, and its research and development of testing equipment is also relatively lagging behind. Can't collect effective data very well

Method used

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  • Tester for detecting impact of passenger vehicle instrument panel on knee part
  • Tester for detecting impact of passenger vehicle instrument panel on knee part
  • Tester for detecting impact of passenger vehicle instrument panel on knee part

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Experimental program
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Effect test

Embodiment

[0022] The reason why the main body of the impactor 3 is made into a semi-circular columnar structure during the test is to make the main body of the impactor 3 have a similar shape to the passenger's knee, so as to ensure that the measured data is more reasonable and accurate. At the same time, the regular structure is used as the impactor Can greatly save costs and facilitate processing.

[0023] By installing the three-way force sensor 1, it is convenient to measure the magnitude of the force in each direction during the impact, and at the same time, the clamping device 5 is designed so that the force of the impactor main body 3 can be better transmitted to the three-way force sensor 1.

[0024] One end of the connecting column 6 of the clamping device 5 is inserted into the main body 3 of the impactor. When the main body 3 of the impactor receives an impact, the connecting column 6 transmits the vibration to the stable seat 8 and the raised seat 9. Because the stable seat 8...

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Abstract

The invention relates to a tester for detecting impact of a passenger vehicle instrument panel on a knee part. The tester comprises an impactor main body, a clamping device and a three-axis force sensor, wherein the impactor main body is of a semi-circular columnar structure; the impactor main body is arranged in a vertical state with a forward semicircular end surface; the clamping device is mounted in the middle of a rectangular surface of the impactor main body; the clamping device is arranged at a middle position of the three-axis force sensor; a base connecting plate is arranged on one side, opposite to the clamping device, of the three-axis force sensor; an acceleration sensor is arranged on one side, close to the three-axis force sensor, of the impactor main body. The tester disclosed by the invention has the characteristics that the tester is simple in operation and is close to biological shape characteristics of human knees, so that the detected data is close to actual data, and the like.

Description

technical field [0001] The invention relates to the technical field of impact detection, in particular to a tester for detecting the impact of an instrument panel of a passenger car on a knee. Background technique [0002] As an important item in the field of passive safety, occupant protection has always been valued by various countries. European standards ECE R21, ECE R94 and a series of standards all indirectly or directly set regulations and requirements on the damage to occupants when the instrument panel collides. According to the European EEC and ECE standards, my country drafted and promulgated GB 11552-2009 "Protruding Objects Inside Passenger Cars" and GB 11551-2003 "Occupant Protection in Frontal Collision of Passenger Cars", but there is currently no special standard that clearly points out the The protection requirements and test methods of the knee, this project can well fill the gap. [0003] Generally speaking, my country's auto industry lags behind European...

Claims

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Application Information

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IPC IPC(8): G01M7/08G01M17/007
CPCG01M7/08G01M17/007
Inventor 于琰胥峰赵晨光陈伟艳林德强
Owner CATARC AUTOMOTIVE QUALITY INSPECTION CENT NINGBO
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