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Light screen target simulating calibration system

A technology of light curtain target and analog circuit, which is applied in the field of light curtain target simulation calibration system, to achieve the effect of reducing system error and high-precision system error calibration

Active Publication Date: 2015-08-12
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is no description of the error test of the light curtain target system in the prior art

Method used

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  • Light screen target simulating calibration system

Examples

Experimental program
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Embodiment 1

[0024] combine figure 1 , a high-precision analog calibration system, including a main control box module 1, a parallel light curtain module 2, a photoelectric receiving module 3 and a waveform display module 4; wherein the main control box module 1 is connected to the parallel light curtain module 2 to control the parallel light The on-off of the curtain module 2, the parallel light curtain module 2 and the photoelectric receiving module 3 are placed on the same plane, so that the light curtain irradiates the photosensitive part of the photoelectric receiving module 3, and the waveform display module 4 is connected with the parallel light curtain module 2 and the photoelectric receiving module respectively. Module 3 is connected to collect and display the transient waveforms of the two modules;

[0025] combine image 3 , the main control box module 1 includes: a main control circuit board 1-1, a voltage conversion module 1-4, a front panel 1-2 and a rear panel 1-3, wherein ...

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Abstract

The invention discloses a light screen target simulating calibration system which comprises the components of a master control box module, a parallel light screen module, a photoelectric receiving module and a waveform display module. The master control box module is connected with the parallel light screen module for switching on and switching off the parallel light screen module. The parallel light screen module generates a parallel light screen which is irradiated to the photoelectric receiving module. The waveform display module is connected with the parallel light screen module and the photoelectric receiving module and is used for acquiring and displaying the transient waveform of the parallel light screen module and the photoelectric receiving module. According to the light screen target simulating calibration system, the master control box module is used for switching on and switching off the parallel light screen module and realizing simulation of a moment when a warhead penetrates through the light screen, so that the light screen target simulating calibration system can be used for an indoor test, thereby saving manpower and financial resource and preventing danger. A system error is further reduced through a method of controlling the pulse width and averaging a plurality of pairs of testing results for the light screen.

Description

technical field [0001] The invention belongs to the technical field of optical testing, in particular to a light curtain target simulation calibration system. Background technique [0002] With the development of optical testing technology, its application in all walks of life is becoming more and more extensive, such as testing parameters such as speed, direction, and flight coordinates during the flight of warhead fragments. [0003] An article titled "Light Curtain Target Test Technology for Measurement of Small Fragment Groups" published in the Journal of High Pressure Physics discloses a light curtain target. The receiving module of photoelectric conversion, when the warhead fragments pass through the light curtain, the receiving module will undergo photoelectric conversion due to the warhead fragments covering the irradiated parallel light, and feel the warhead fragments passing through the moment, and the time difference between the fixed light curtains will be compar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P21/02
Inventor 贾云飞陈杨
Owner NANJING UNIV OF SCI & TECH
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