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Colorimetry-based test device for magnesium and magnesium alloy ignition temperature and use method of test device

A test device, magnesium alloy technology, applied in the direction of measuring device, optical radiation measurement, radiation pyrometry, etc., can solve the problems of short occurrence time, large volume, complex structure, etc.

Inactive Publication Date: 2013-01-09
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The whole process takes place in a very short time, and it is difficult to accurately observe and determine when the fire starts to burn, and the existing methods are large in size and complex in structure, which is not suitable for the testing needs of the production line

Method used

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  • Colorimetry-based test device for magnesium and magnesium alloy ignition temperature and use method of test device
  • Colorimetry-based test device for magnesium and magnesium alloy ignition temperature and use method of test device
  • Colorimetry-based test device for magnesium and magnesium alloy ignition temperature and use method of test device

Examples

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Effect test

Embodiment 1

[0028] Example 1. Test device for the ignition temperature of magnesium and magnesium alloys based on colorimetry

[0029] The specific structure of the testing device for the ignition temperature of magnesium and magnesium alloys based on the colorimetric method of this example is as follows: Figure 1 ~ Figure 3 Jointly shown, figure 1 Show the principle block diagram of magnesium and magnesium alloy ignition temperature testing device, figure 2 Shows the cut-away structural diagram of the ignition temperature test device for magnesium and magnesium alloys, such as figure 1 , 2 As shown, the test device for the ignition temperature of magnesium and magnesium alloys based on colorimetry includes: a metal shell 8 and a sapphire window 2 inside it, an objective lens 3, a field lens 4, a two-quadrant detector 5, and a conditioning circuit 6 , interface circuit 7, adopting cylindrical metal shell 8 can be fixed by external support, described two-quadrant detector 5 is the two...

Embodiment 2

[0030] Embodiment 2. Test device for the ignition temperature of magnesium and magnesium alloys based on colorimetry

[0031] The structure of the test device for the ignition temperature of magnesium and magnesium alloys based on colorimetry in this example can be used Figure 1 ~ Figure 3 etc. jointly show that the difference between the test device for the ignition temperature of magnesium and magnesium alloys based on the colorimetry of this example and the test device for the ignition temperature of magnesium and magnesium alloys based on the colorimetry of Example 1 is: the narrow-band interference of this example What the optical filter 16 selects is the narrow-band interference optical filter that wavelength is respectively 480nm, 680nm. The rest of the test device for the ignition temperature of magnesium and magnesium alloys based on the colorimetric method is the same as that described in Example 1 and will not be repeated.

Embodiment 3

[0032] Example 3. Test device for the ignition temperature of magnesium and magnesium alloys based on colorimetry

[0033] The structure of the test device for the ignition temperature of magnesium and magnesium alloys based on colorimetry in this example can be used Figure 1 ~ Figure 3 etc. have jointly shown that the test device for the ignition temperature of magnesium and magnesium alloys based on the colorimetry of this example is different from the test device for the ignition temperature of magnesium and magnesium alloys based on the colorimetry of the first and second embodiments: the What the narrow-band interference filter 16 of example selects is that the wavelength is respectively 680nm, the narrow-band interference filter of 900nm. The rest of the test device for the ignition temperature of magnesium and magnesium alloys based on the colorimetric method is the same as that described in Embodiment 1 and Embodiment 2, and will not be repeated.

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Abstract

The invention discloses a colorimetry-based test device for magnesium and magnesium alloy ignition temperature and a use method of the test device and belongs to the technical field of optical engineering and sensors. The test device comprises a metal housing, a sapphire window, an object lens, a field lens, a two-quadrant detector, a conditioning circuit and an interface circuit, wherein the sapphire window, the object lens, the field lens, the two-quadrant detector, the conditioning circuit and the interface circuit are arranged inside the metal housing, the two-quadrant detector is used for detecting spectral wavelengths of the magnesium and magnesium alloy ignition temperature, and the test has the advantages of being simple in design structure, small in volume, light in weight, convenient to use, long in service life, reliable in measurement and the like. The use method of the test device comprises that a standard temperature-measurement measuring instrument is used for conducting static calibration for the colorimetry-based test device for the magnesium and magnesium alloy ignition temperature, the measurement accuracy and measurement the reliability are guaranteed due to the fact that the static calibration is conducted before use, then the standard temperature-measurement measuring instrument and the test device test the temperature of an object to be tested together, test results are compared, and the test results for the magnesium and magnesium alloy ignition temperature are reliable and accurate. The test device and the use method are worth using and popularizing.

Description

1. Technical field [0001] The test device for the ignition temperature of magnesium and magnesium alloys based on colorimetry and its use method disclosed by the invention belong to the field of optical engineering and sensor technology, and specifically relates to a test device for the ignition temperature of magnesium and magnesium alloys and its use method. The test device uses the magnesium combustion spectrum to determine the ignition point when the magnesium alloy is burned, and uses colorimetric temperature measurement to accurately measure the temperature of the combustion point. The method of using the test device is: use a standard temperature measuring instrument for static calibration of the test device, and then use the colorimetric temperature measurement method to detect the spectral response of the test device with two different band detectors within the combustion spectrum range of magnesium and magnesium alloys. , so as to realize the determination of the com...

Claims

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Application Information

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IPC IPC(8): G01J5/60G01N21/71
Inventor 郝晓剑潘保武郝丽娜王艳红周汉昌闫白
Owner ZHONGBEI UNIV
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