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Contactless measurement methode and device of the surface temperature of aging sample

A technology of surface temperature and artificial aging, applied in the direction of measuring devices, electric radiation detectors, instruments, etc.

Active Publication Date: 2005-03-23
阿特莱斯材料检测技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing temperature measurement methods do not fully meet these requirements

Method used

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  • Contactless measurement methode and device of the surface temperature of aging sample
  • Contactless measurement methode and device of the surface temperature of aging sample

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Embodiment Construction

[0026] A support frame 2 closed as a ring is installed so that it can be rotated in the aging chamber 1, and a sample 3 or workpiece can be held on its inner wall. Specifically, the bracket frame 2 has a circular cross section. A xenon radiation source 4 held on the inner wall of the aging chamber 1 is positioned on the cylinder axis and the axis of rotation of the support frame 2 . The xenon radiation source 4 is used to emit radiation close to natural sunlight and to irradiate the sample 3 . The xenon radiation source 4 is surrounded by a tubular filter 5 (for example an infrared filter), which is a tubular filter suitable for the aging test described.

[0027] In the known method, the aging room may have other artificial aging instruments, such as humidity generators, etc., but since these instruments do not play a substantial role in the present invention, they will not be discussed in detail. It is also possible to blow an air flow into the aging chamber 1 and pass it v...

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PUM

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Abstract

A holding frame ( 2 ) is mounted in a weathering chamber ( 1 ) of a weathering tester so that it can be rotated around a xenon radiation source ( 3 ), which is located on the cylinder or rotation axis, and an infrared filter ( 5 ) placed around it. Samples ( 3 ) to be weathered are fastened to the inside of the holding frame ( 2 ) and are exposed to the radiation from the xenon radiation source ( 4 ). The surface temperature of the samples ( 3 ) can be recorded directly by a black-body radiation detector such as a pyrometer ( 6 ), which is aimed at a stationary region of space through which the samples ( 3 ) pass periodically during their rotational movement. The surface temperature can be computed in an evaluation circuit from the detected black-body radiation, together with emissivity values stored for the individual samples ( 3 ).

Description

field of invention [0001] The invention relates to a method for evaluating the weather-dependent aging of a sample, wherein said sample is exposed to natural or artificial aging environments. The invention also relates to an artificial aging device for samples. Background technique [0002] The sample artificial aging device is used to estimate the life of the material. During use, the material is exposed to natural aging conditions and is therefore affected by climatic factors such as sunlight, solar heat, and humidity. In order to better simulate the natural aging environment, the spectral power distribution of the light generated in the device should be as fast as possible as close as possible to that of natural sunlight radiation, for which purpose in this device a xenon radiator is used as the radiation source. By subjecting the sample to radiation that is much stronger than natural conditions and accelerates the aging of the sample, the accelerated aging test of the m...

Claims

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Application Information

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IPC IPC(8): G01J5/10G01N17/00
CPCG01N17/00
Inventor 阿特·舍恩莱恩
Owner 阿特莱斯材料检测技术有限公司
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