Detector of high-speed particle impact protector measurer

A technology of high-speed particles and detection devices, which is applied in impact testing, measuring devices, testing of machines/structural components, etc., can solve problems such as inaccuracy, improve automation and precision, simplify hardware structure, improve work efficiency and product quality the quality of the effect

Inactive Publication Date: 2005-08-10
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The strength test of protective glassware is tested by falling ball impact or s

Method used

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  • Detector of high-speed particle impact protector measurer
  • Detector of high-speed particle impact protector measurer
  • Detector of high-speed particle impact protector measurer

Examples

Experimental program
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Embodiment Construction

[0053] A preferred embodiment of the present invention is: see figure 1 with figure 2 , the detection device of the high-speed particle impact tester for the protective equipment includes a launch tube 2 and a high-speed particle 1 emitted from the launch tube, and an optical fiber sensor 3, 4 is respectively installed at the inlet and outlet ends of the launch tube 2, and two optical fiber sensors 3, The output of 4 is respectively connected to the input of a signal processing circuit 7 and a single-chip microcomputer 8 through two photocouplers 5,6, and their output is connected to the input of a liquid crystal display 10 through a liquid crystal drive module, and the display screen 11 of liquid crystal display 10 shows The elapsed time and speed of the high-speed particles 1 between the two optical fiber sensors 3 and 4 are measured.

[0054] see figure 2 , The signal detection device selects AT89C52 single-chip microcomputer 8 and CPLD signal processing circuit 7 as the...

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Abstract

The present invention relates to a protector high-speed particle impact tester detection device. It includes transmitting tube and high-speed particles transmitted from transmitting tube. It is characterized by that the inlet end and outlet end of said transmitting tube are respectively equipped an optical fibre sensor, the output ends of two optical fibre sensors are respectively connected with a signal processing circuit and a microcontroller input end by means of two photoelectric couplers, their output ends are connected with input end of a liquid crystal display by means of a liquid crystal drive module, and the display screen of the liquid crystal display can be used for displaying elapsed time and speed of high-speed particles between two optical fibre sensors.

Description

Technical field: [0001] The invention relates to an impact test and detection device for a protective gear, in particular to a high-speed particle impact test and detection device for a protective gear. Background technique: [0002] The strength test of protective glassware is tested by falling ball impact or swing ball impact in the prior art. The test method is simple, but not accurate enough. Invention content: [0003] The purpose of the present invention is to provide a protective equipment high-speed particle impact tester detection device, which can accurately detect the strength of the protective equipment. [0004] In order to achieve the above object, the idea of ​​the present invention is: under the excitation pressure of the compressed gas, the high-speed particles are launched from the launch tube to hit the protective equipment, and the high-speed The speed at which the particles are emitted can be used to calculate the impact force and convert the impact r...

Claims

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Application Information

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IPC IPC(8): G01M7/08G01N23/00
Inventor 金士良洪跃王恒三宋毅金钢田景鹏
Owner SHANGHAI UNIV
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