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Stray radiation suppressing device and suppressing method for high-temperature thermal radiation physical property experiments of solid materials

A solid material, stray radiation technology, applied in the direction of material thermal development, etc., can solve the problems of limited measurement range, detection interference, effective signal measurement failure, etc., to achieve accurate measurement, stray radiation suppression, and good suppression effect.

Inactive Publication Date: 2013-08-21
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Effective optical signals are often submerged in stray radiation, which causes great interference to successful detection; in addition, due to the limited measurement range of high-precision detection equipment, if a large amount of stray radiation is incident on the signal receiving photosensitive surface, the detection equipment will often be saturated. overflow, causing a valid signal measurement to fail

Method used

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  • Stray radiation suppressing device and suppressing method for high-temperature thermal radiation physical property experiments of solid materials

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specific Embodiment approach 1

[0019] Specific implementation mode 1. Combination figure 1 Describe this specific embodiment, the stray radiation suppressing device used for the high-temperature thermal radiation physical property experiment of solid material, it comprises No. 1 movable extinction tube 4, heating chamber 5, No. 2 mobile extinction tube 7, No. 1 shading screen 8, No. 1 reflector 9, No. 2 light-shielding screen 10, No. 3 reflector 11, detector 12 and No. 2 reflector 13; Both light incident ends can be inserted into the heating chamber 5;

[0020] The incident light is incident on the No. 1 mobile extinction cylinder 4, and after being extinguished by the No. 1 mobile extinction cylinder 4, it is incident on the solid material sample 6 located in the heating chamber 5, and after being transmitted through the solid material sample 6, it is incident to the No. 2 mobile extinction tube 7, after being extinguished by the No. 2 mobile extinction tube 7, it is incident on the No. 1 shading screen 8...

specific Embodiment approach 2

[0024] Specific Embodiment 2. The difference between this specific embodiment and the stray radiation suppressing device for high-temperature thermal radiation physical property experiments of solid materials described in specific embodiment 1 is that it also includes a heating device 16, which is used for The heating chamber 5 is heated.

specific Embodiment approach 3

[0025] Specific Embodiment 3. The difference between this specific embodiment and the stray radiation suppression device used in the high-temperature thermal radiation physical property experiment of solid materials described in specific embodiment 1 or 2 is that it also includes No. 1 moving mechanism and No. 2 moving mechanism , the No. 1 moving mechanism is composed of the No. 1 scale guide rail 1 and the No. 1 optical adjustment mount 2; the bottom of the No. 1 optical adjustment mount 2 is located on the No. 1 scale guide rail 1, and can slide on the No. 1 scale guide rail 1; The upper end of the No. 1 optical adjustment frame 2 is fixedly connected to the wall of the No. 1 mobile extinction tube 4; the No. 1 scale guide rail 1 is arranged in parallel with the No. 1 mobile extinction tube 4; the No. 2 moving mechanism is composed of the No. 2 scale guide rail 15 Formed with the No. 2 optical adjustment mount 14; the bottom of the No. 2 optical adjustment mount 14 is locate...

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Abstract

A stray radiation suppressing device and a suppressing method for high-temperature thermal radiation physical property experiments of solid materials are disclosed, relating to a stray radiation suppressing device and a suppressing method. The device aims to suppress the stray radiation of thermal radiation physical property experiments. The incident light of the device is incident into a first mobile extinction drum, incident into a solid material test sample located in a heating chamber after being extincted by the first mobile extinction drum, incident into a second mobile extinction drum after the transmission of the solid material test sample, incident into a first eclipser after being extincted by the second mobile extinction drum, incident into a first reflector after the transmission of the first eclipser, incident into a second reflector after being reflected by the first reflector, reflected to a second eclipser by the second reflector, and further incident into a third reflector after the transmission of the second eclipser and finally incident into the detection surface of a detector after being reflected by the third reflector. The stray radiation suppressing device and the suppressing method provided by the invention are suitable for suppressing the stray radiation in high-temperature thermal radiation physical property experiments of various solid materials.

Description

technical field [0001] The invention relates to a stray radiation suppressing device and a suppressing method. Background technique [0002] Thermal radiation physical parameters are the basic input data for engineering design, thermal process and radiation signal transmission analysis, and are very important for the development of related engineering technology and scientific experimental research. Experimental measurement is the basic means to obtain high-temperature thermal radiation physical properties data, and in the experimental research of high-temperature thermal radiation physical properties of solid materials, stray radiation suppression is an important technical guarantee for the success of the experiment. Since the sample needs to be heated to hundreds or thousands of degrees Celsius, the high-temperature heating environment and related devices inevitably become a strong source of stray radiation. The higher the temperature, the stronger the stray radiation. Ef...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/20
Inventor 夏新林戴贵龙张顺德帅永谈和平
Owner HARBIN INST OF TECH
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