A particle size distribution measuring device and method for vacuum mid-infrared interference smoke screen

A particle size distribution and measuring device technology, which is applied in the field of infrared interference smoke effect detection, can solve the problems of difficulty in ensuring strict and uniform distribution of infrared interference smoke, smoke particle loss, large measurement error, etc., to reduce errors, ensure accuracy, and improve accuracy. degree of effect
CN107247014BActive Publication Date: 2020-06-30ROCKET FORCE UNIV OF ENG
3 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
ROCKET FORCE UNIV OF ENG
Publication Date
2020-06-30

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a particle size distribution measuring device and method for infrared interference smoke screen in vacuum. The device comprises a vacuum tank, a pipeline, a vacuum pump and a multi-layer filter membrane serial piece; the vacuum tank and the vacuum pump are connected through the pipeline; the multi-layer filter membrane serial piece is arranged at the junction of the pipeline and the vacuum pump; the vacuum pump is used for adjusting the vacuum degree in the vacuum tank; the multi-layer filter membrane serial piece comprises multiple layers of glass fiber filter membranes, and is used for collecting smoke particles; the multiple layers of glass fiber filter membranes are arranged from large to small according to pore diameters in sequence; an igniting device is arranged at the upper portion of the vacuum tank, and is used for igniting an infrared interference smoke screen smoke agent, and therefore smoke is generated. According to the particle size distribution measuring device and method for infrared interference smoke screen in vacuum, the measurement error is reduced, and the measurement accuracy is improved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the technical field of infrared interference smoke screen effect detection, in particular to a particle size distribution measurement device and method for infrared interference smoke screen in vacuum. Background technique

[0002] The particle size distribution of infrared interference smoke is an important physical quantity to characterize the infrared extinction characteristics of infrared interference smoke in vacuum, and it is also a necessary parameter for quantitative calculation of infrared interference smoke shielding performance and interference performance. Significance.

[0003] The extinction coefficient of infrared interference smoke has an important influence on the shielding performance of infrared interference smoke, and the size of smoke particles in infrared interference smoke is an important factor affecting the extinction coefficient. Therefore, in the development of infrared interference smoke smoke agent...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More