Apparatus for simple detection of infrared imaging system performance parameter

Abstract

The invention relates to a device for simply and conveniently detecting performance parameters of an infrared imaging system, which comprises an infrared lens, a hollowed metal target, a temperature control chip, a temperature sensor and a shell, and is characterized in that the shell is a heat-insulated metal sleeve; the temperature control chip is positioned at one end of the heat-insulated metal sleeve, and the infrared lens is positioned at the other end of the heat-insulated metal sleeve; the hollowed metal target is arranged near the focal surface of the infrared lens in the heat-insulated metal sleeve through a target supporting device; the temperature sensor is arranged on the hollowed metal target; and a hollowed part of the hollowed metal target is positioned on a light path between the temperature control chip and the infrared lens. The device utilizes the imaging principle to simulate a distant target, meets the requirement of the operating distance of a thermal infrared imager, guarantees the temperature stability due to the shell with good heat-insulating property, reduces the environmental requirements under the condition of detection, effectively eliminates external interferences such as air circulation, heat conduction, heat radiation and the like, and reduces the space size of the thermal imager under the condition of detection. Moreover, the whole detection device has small volume and is convenient to operate and quick to detect.

Description

technical field [0001] The invention relates to a device for detecting performance parameters of an infrared thermal imager, in particular to a device for simply detecting the performance parameters of an infrared imaging system. Background technique [0002] Infrared thermal imaging cameras are widely used in civilian or military applications. Due to the advantages of thermal imaging equipment with strong all-weather combat capabilities, it has become a hot spot for the development of various countries, and thermal imaging cameras are used in medical diagnosis, circuit fault judgment, and production in many factories. There are also a wide range of applications online. [0003] In the research stage, in order to realize the detection of various indicators of thermal imagers or infrared guided weapons and the evaluation of combat effectiveness, the design of infrared target simulation is particularly important. In system design and performance evaluation, it is very importa...

AI Technical Summary

Problems solved by technology

[0006] To sum up, the important work of the development of infrared thermal imager detection device is the simulation of infrared targets. At present, the simulation of infrared targets at home and abroad basically adopts resistance arrays and blackbody furnaces, which have high temperature control accuracy and can simulate Dynamic targets and other advantages, but the corresponding cost is also very high, and the detection must be carried out in a large space with constant temperature, small heat conduction and small heat radiation, which limits the universality of the detection device

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