Infrared temperature measurement method, device and equipment and computer readable storage medium
A technology of infrared temperature measurement and infrared detector, applied in the field of infrared temperature measurement, can solve problems such as inaccurate temperature measurement results
Active Publication Date: 2020-09-29
IRAY TECH CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide an infrared temperature measurement method, device, equipment, and computer-readable storage medium to solve the problem of inaccurate temperature measurement results caused by the influence of infrared attenuation sheets when infrared is used to measure high-temperature objects under test.
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[0049] Based on the principle that there is a correlation between the intensity of the infrared light radiated by the object and the temperature of the object, the infrared detector can be used to sense the infrared light radiated by the object and output an infrared sensing signal accordingly. The signal is clearly positively correlated with the intensity of infrared light detected by the infrared detector. However, for the infrared detector, the intensity of the infrared light it can sense and detect exists within a certain range. If the infrared light radiated to the infrared detector is too strong, it will cause the infrared detector to burn.
[0050] For this reason, it can be considered that when the infrared detector senses the temperature of an object with a high temperature, an infrared attenuation sheet is arranged between the infrared detector and the object, so that the infrared light received by the infrared detector senses a certain rate of attenuation; When the ...
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The invention discloses an infrared temperature measurement method, which comprises the following steps: acquiring a first infrared induction signal obtained by an infrared detector via inducing infrared light of a to-be-measured object through an infrared attenuation sheet as well as an interference infrared induction signal corresponding to the infrared attenuation sheet; judging whether a signal difference value obtained by performing difference operation on the first infrared induction signal and the interference infrared induction signal is greater than a preset signal threshold value ornot; if so, determining the temperature of the to-be-measured object according to the signal difference value and a first corresponding relation between the infrared induction signal measured by the infrared detector and the temperature value; and if the signal difference value is not greater than the preset signal threshold value, removing the infrared attenuation sheet to directly measure the temperature of the to-be-measured object. According to the invention, the interference of the infrared rays radiated outwards by the infrared attenuation sheet on the temperature measurement result is avoided, so that the accuracy of the temperature measurement result is improved. The invention further provides an infrared temperature measurement device and equipment and a computer readable storagemedium, which have the above beneficial effects.
Description
technical field [0001] The invention relates to the technical field of infrared temperature measurement, in particular to an infrared temperature measurement method, device, equipment and computer-readable storage medium. Background technique [0002] Any object with a temperature above absolute zero (-273.15°C) is constantly emitting infrared radiation (thermal radiation). Infrared radiation is a kind of electromagnetic wave with a wavelength range of 0.7 μm to 1000 μm, which is invisible to the human eye, and the wavelength of external radiation is different at different temperatures. Based on the principle that the infrared light radiated by the object is correlated with the temperature, the infrared detector can detect the infrared light radiated by the object to determine the temperature of the object. [0003] However, when the temperature of the object to be measured reaches 600°C or higher, the infrared detector is prone to saturation when sensing infrared light, wh...
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Login to View More IPC IPC(8): G01J5/08G01J5/06
CPCG01J5/06G01J5/0816
Inventor 王祥辉齐亚鲁邱浩楠
Owner IRAY TECH CO LTD