An oxygen absorption rate measuring device and measuring method

A measurement device and absorption rate technology, which is applied in the direction of measurement devices, radio wave measurement systems, color/spectral characteristics measurement, etc., can solve the problems of lack of engineering application measurement equipment and low real-time performance, and achieve simple and practical real-time measurement and responsiveness Fast speed and high real-time measurement effect

Inactive Publication Date: 2018-11-13
PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE
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  • Abstract
  • Description
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Problems solved by technology

[0005] The purpose of the present invention is to provide an oxygen absorption rate measuring device to solve the problems of low real-time measurement of target oxygen absorption rate and lack of engineering application measurement equipment

Method used

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  • An oxygen absorption rate measuring device and measuring method
  • An oxygen absorption rate measuring device and measuring method
  • An oxygen absorption rate measuring device and measuring method

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Experimental program
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Embodiment 1

[0032]Embodiment 1: Oxygen absorption rate measuring device.

[0033] Such as figure 1 , figure 2 As shown, the oxygen absorptivity measuring device of the present invention includes a spectral channel module, a target radiation intensity detection module, a target aiming module, a data analysis module, and an optical axis calibration platform; wherein, the target radiation intensity detection module and the spectral channel module are installed in a closed in the housing 10.

[0034] The spectral channel module includes an optical lens 1 , a filter frame 3 , a stepping motor 4 and a transmission device 5 . The filter frame 3 is connected with a roulette on the head of a drive shaft, and four light-transmitting holes are arranged on the roulette of the filter frame 3, and the four light-transmitting holes are evenly distributed in the center of the roulette. on the circumference of the center. Optical filters 2 are respectively installed on three of the four light-transmi...

Embodiment 2

[0042] Embodiment 2: The measurement method of oxygen absorption rate.

[0043] see figure 1 , figure 2 , the oxygen absorption rate measuring method of the present invention, comprises the following steps:

[0044] 1) Adjustment of optical axis parallelism: Since the field experiment needs to carry the system, it is inevitable that vibration will cause the optical axis to shift. Therefore, before ranging, the target radiation intensity detection module and the target aiming module should be optically adjusted Axis-parallel adjustment. The specific method is, using the optical axis calibration platform, first rotate the filter frame 3 until the light transmission hole without a filter is aligned with the optical lens 1, and light the LED light source 18 to provide illumination for the optical lens 1 from the outside to the inside; Adjust the second rotating tilting platform 15 on the optical axis calibration platform, make the center of the cross reticle of the monocular t...

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Abstract

The invention relates to an oxygen absorption rate measurement device and an oxygen absorption rate measurement method. The measurement device structurally comprises a light spectrum channel module, a target radiation intensity detection module, a target aiming module, a data analysis module and an optical axis calibration platform. In the light spectrum channel module, light spectrum information of target radiation in an oxygen absorption belt A and left and right strip shoulders can be obtained by utilizing three pieces of optical filters with light transmission wavebands respectively located in the left strap shoulder and an absorption belt of the oxygen absorption belt A and a right strap shoulder light spectrum range; photovoltaic conversion is carried out by utilizing a photomultiplier; and according to target radiation intensity values of the left and right strap shoulders of the absorption belt, a baseline intensity value in the absorption belt is fitted by interpolation and the ratio of a radiation intensity measurement value in the absorption belt to the baseline intensity value is the oxygen absorption rate. With the adoption of the oxygen absorption rate measurement device and method, the oxygen absorption rate of the target radiation in a path transmission process can be rapidly obtained, accurate absorption rate parameters are provided for resolving a target distance and engineering practical utilization of a passive distance measurement technology based on oxygen absorption can be extremely facilitated.

Description

technical field [0001] The invention relates to a passive distance measuring device based on oxygen absorption, in particular to an oxygen absorption rate measuring device and a measuring method. Background technique [0002] The passive ranging technology based on oxygen absorption is a kind of long-distance ranging and distance measurement for aircraft, missiles and other engine exhaust targets by using the absorption and attenuation characteristics of the radiation spectrum in the oxygen A absorption band (12820-13245cm-1 / 758-778nm) in the atmosphere. Early warning technology has the advantages of strong concealment, high reliability, and not easily affected by climate and environment, and has become a research hotspot in various countries in recent years. This technology was first proposed by Michael R.Hawks in 2005. A ranging theoretical model based on the band mode method was established, and the feasibility of the technical method was verified [Michael R.Hawks, Glen P...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/31G01S11/12
CPCG01N21/31G01S11/12
Inventor 刘秉琦余皓张瑜闫宗群徐春梅
Owner PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE
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