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Automobile crash simulation test apparatus, and method of controlling automobile crash simulation test

A simulation test, automobile technology, applied in the direction of measurement device, vehicle test, vehicle impact test, etc., can solve problems such as high cost, and achieve the effect of improving reproducibility

Active Publication Date: 2014-07-30
MITSUBISHI HEAVY IND MACHINERY SYST LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Generally, in the crash test of a car, there is an actual vehicle crash test for evaluating physical quantities such as the impact amount and the remaining space of the passenger compartment, and occupant injury values. The method is a destructive test, which requires a very high cost

Method used

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  • Automobile crash simulation test apparatus, and method of controlling automobile crash simulation test
  • Automobile crash simulation test apparatus, and method of controlling automobile crash simulation test
  • Automobile crash simulation test apparatus, and method of controlling automobile crash simulation test

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Experimental program
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no. 1 Embodiment approach

[0035] figure 1 It is a schematic diagram showing the automobile crash simulation test device according to the present embodiment. figure 2 It is a schematic side view schematically showing the automobile crash simulation test device according to the present embodiment. Such as figure 1 and figure 2 As shown, the automobile crash simulation test apparatus 100 according to this embodiment includes a carriage 2 capable of mounting a test piece 1 , a carriage acceleration device 11 , and a pitching device 21 for imparting a pitching motion to the test piece 1 . A pair of left and right rails 3 are attached to the floor GS along the front-rear direction with predetermined intervals therebetween. The pitch device 21 is disposed in a groove P that is a space below the rail 3 .

[0036] The test piece 1 is mounted on the carriage 2, so the front of the automobile as the test piece 1 ( figure 2 The left direction of the carriage 2) is set as the front of the carriage 2, and th...

no. 2 Embodiment approach

[0081] Next, the automobile collision simulation test device 100 according to the second embodiment will be described. In the second embodiment, the vehicle collision simulation test apparatus 100 does not operate the second vertical drive actuator 9 . Figure 8 It is an explanatory diagram for explaining the test piece height during the operation of the automobile collision simulation test device according to the second embodiment. In the following description, the same reference numerals are assigned to the same components as those in the above-mentioned embodiment, and repeated descriptions will be omitted.

[0082] First, in the automobile collision simulation test apparatus 100 according to the present embodiment, a target acceleration (deceleration acceleration in the forward direction of the carriage 2 and the test piece 1) is applied to the carriage 2 in a stopped state arranged in contact with the front end of the piston 11a. ), the hydraulic device is controlled by ...

no. 3 Embodiment approach

[0095] Next, the automobile collision simulation test device 100 according to the third embodiment will be described. In the third embodiment, the vehicle crash simulation test device 100 includes an extension rail extending the length of the rear lift rail 8 for raising and lowering the first vertical drive actuator 10 . Figure 9 It is a schematic side view schematically showing the automobile crash simulation test device according to the third embodiment. In the following description, the same reference numerals are assigned to the same components as those in the above-mentioned embodiment, and repeated descriptions will be omitted.

[0096] As described above, when the shoe 6a passes through the rear elevation rail 8, it moves up and down according to the elevation of the first vertical drive actuator 10. As shown in FIG. Since the acceleration applied during the upward movement of the first vertical drive actuator 10 which is the pitching movement of the test piece 1 is ...

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Abstract

Provided are an automobile crash simulation test apparatus for improving the reproducibility of pitching displacement of a specimen, and a method of controlling an automobile crash simulation test. The automobile crash simulation test apparatus includes: a sled which is supported movably along a horizontal front-rear direction and on which a specimen can be mounted; a sled acceleration apparatus for moving the sled by providing acceleration to the sled; a first vertical drive actuator that provides pitching displacement to the rear of the specimen in the direction of movement of the sled; and a control apparatus that controls an ascending operation of the first vertical drive actuator that provides pitching displacement and a descending operation of the first vertical drive actuator so as to simulate the descending state of the specimen on the basis of data obtained from an actual vehicle crash test.

Description

technical field [0001] The present invention relates to an automobile collision simulation test device which reproduces the acceleration generated in the passenger compartment during a collision without destroying the automobile, and reproduces the injury degree of the occupant caused by the secondary collision. Background technique [0002] Generally, in the crash test of a car, there is an actual vehicle crash test for evaluating physical quantities such as the impact amount and the remaining space of the passenger compartment, and occupant injury values. The method is a destructive test, which requires very high cost. Therefore, by attaching a body-in-white, dummy body, etc. (hereinafter referred to as "test piece") on the trolley, the acceleration approximately the same as that at the time of the actual vehicle collision is applied to the trolley. Destructively reproduce the impact on the test piece to evaluate occupant injury value, and conduct automobile crash simulat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M7/08G01M17/007
CPCG01M17/0078
Inventor 合木纯一
Owner MITSUBISHI HEAVY IND MACHINERY SYST LTD
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