Linear array high-speed infrared temperature measurement system

Abstract

The invention discloses a linear array high-speed infrared temperature measurement system, relates to an infrared temperature measurement system for achieving the recording of the space-time information of a transient two-dimensional temperature field, and belongs to the field of high-speed temperature measurement of engineering materials. The system comprises a linear array infrared camera, a plane mirror, a rotating device, an arc-shapes sliding rail, a triggering system, and a time sequence synchronization control system. Infrared cameras in the infrared camera linear array are distributedin the shape of an arc, and the infrared camera linear array comprises infrared cameras and arc-shaped sliding rails. The surface of the plane mirror is coated with a film in a manner of evaporation plating. The rotating device is used for achieving the rotating of the plane mirror. The time sequence synchronization control system can achieve the setting of different time intervals, so as to achieve the control and synchronization of different amplitude-frequencies, and achieve the recording of the space-time information of the transient two-dimensional temperature field. The system can achieve the recording of the space-time information of the transient two-dimensional temperature field under a high-speed impact, and facilitates the analysis of the deformation process and failure mechanism of a material under the high-speed impact.

Description

technical field [0001] The invention relates to a linear array high-speed infrared temperature measurement system, in particular to an infrared temperature measurement system for recording temporal and spatial information of a transient two-dimensional temperature field, belonging to the field of high-speed temperature measurement of engineering materials. Background technique [0002] The deformation process (time 100-200μs) and failure mechanism of materials under high-speed impact have been paid more and more attention by scientific researchers. It is one of the research hotspots in the direction of solid mechanics and has important scientific significance and engineering application value. The high-speed infrared temperature measurement system needs to be applied in the high-speed impact performance test of the material. At present, the high-speed infrared temperature measurement system suitable for the study of the mechanical behavior of materials under high-speed impac...

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Problems solved by technology

[0003] In view of the following defects in the high-speed infrared temperature measurement system in the prior art: it is mainly limited to the spatial resolution of the infrared camera sampling frequency and the high-speed infrared detector. High sampling frequency and high spatial resolution cannot be obtained at the same time, but high resolution The rate can bring more detailed two-dimensional temperature distribution information, which is beneficial to analyze the deformation process and failure mechanism of materials under high-speed impact

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