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Device for measuring impact transfer characteristic and image deformation of material and implementing method thereof

A technology of impact transmission and impact force sensor, which is applied in the direction of measuring devices, analysis materials, strength characteristics, etc., and can solve problems such as incompleteness, incomplete understanding of protective materials, and inaccuracy

Inactive Publication Date: 2012-09-26
SHANGHAI UNIV OF ENG SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether the material itself is damaged or not, the reaction force value of the impact object is not the first concern. Therefore, the data obtained by the existing methods are not thorough, incomplete, and inaccurate for the understanding of protective materials.

Method used

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  • Device for measuring impact transfer characteristic and image deformation of material and implementing method thereof
  • Device for measuring impact transfer characteristic and image deformation of material and implementing method thereof
  • Device for measuring impact transfer characteristic and image deformation of material and implementing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0043] Such as figure 1 As shown, a device for measuring impact transmission characteristics and impact deformation of materials, including a door frame 1, a residual impact force receiving platform 2, a displacement sensing head 3, an impact head transmitter 4, an impact head 5, and a signal acquisition The analysis system 7 and the impact head lifting and reset mechanism 8, the remaining impact force receiving platform 2, the displacement sensing head 3, the impact head transmitter 4 and the impact head lifting and reset mechanism 8 are all arranged on the door frame 1, and the displacement sensing head 3 is set on the impact head transmitter 4, the impact head 5 is respectively connected with the impact head lifting and reset mechanism 8 and the impact head transmitter 4, and the signal acquisition and analysis system 7 is respectively connected with the remaining impact force receiving platform 2, the displacement sensor head 3, the impact Head launcher 4, impact head 5 an...

Embodiment 2

[0064] refer to Figure 1-9 As shown, a device for measuring impact transmission characteristics and impact deformation of materials, the device includes a gate frame 1, a residual impact force receiving platform 2, a speed sensing head 3, an impact head transmitter 4, and an impact head 5 , Signal acquisition and analysis system 7 and impact head lifting reset mechanism 8. Among them, the impact head transmitter 4 uses compressed air as the energy storage medium, and is composed of a compressed air tank 4-1, a solenoid valve 4-3, an electromagnetic pin 4-4, a compressed air pusher tube 4-5, and an air pressure sensor 4-2. , The impact head lifting reset mechanism 8 is a linear motor. All the other are with embodiment 1.

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Abstract

The invention relates to a device for measuring the impact transfer characteristic and the image deformation of a material and an implementing method thereof. The device comprises a gantry rack (1), a residual impact force receiving platform (2), a displacement sensing head (3), an impact head transmitter (4), an impact head (5), a signal acquisition analysis system (7) and an impact head lifting resetting mechanism (8); the displacement sensing head (3) is arranged on the impact head transmitter (4); the impact head (5) is respectively connected with the impact head lifting resetting mechanism (8) and the impact head transmitter (4); and the signal acquisition analysis system (7) is respectively connected with the residual impact force receiving platform (2), the displacement sensing head (3), the impact head transmitter (4), the impact head (5) and the impact head lifting resetting mechanism (8). Compared with the prior art, the device has the advantages of really acquiring the protection performance of the protection material when the protection material is impacted, simulating the actual stress condition of a human body under the stop action of the protection material and the like.

Description

technical field [0001] The invention relates to a device for impact force test, in particular to a device for measuring impact transmission characteristics and impact deformation of materials and its implementation method. Background technique [0002] With the advancement of the urbanization process and the continuous improvement of the degree of industrialization, the probability of low-speed impact on the human body has increased significantly, and the outstanding performance is that the number of personal casualties caused by falling objects and vehicle impacts has increased year by year. Therefore, protecting the human body from low-speed impact has become an important research topic. [0003] According to the existing Chinese literature and inventions and the methods being used, the methods used in the research of protective materials are to use an impact head with a built-in sensor to impact the sample at a set speed, and the data collected by the built-in sensor is u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/303G01N3/02
Inventor 林兰天高琮张雪波刘晓霞辛斌杰刘茜吴湘济刘书华徐秋月张邱平
Owner SHANGHAI UNIV OF ENG SCI
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