Temperature detection method, device and equipment
A detection method and equipment technology, applied in the field of infrared imaging, can solve the problems of inability to represent the response characteristics of the focal plane sensor, inaccurate temperature measurement results, inability to obtain accurate temperature measurement results, etc., to save calibration time, reduce complexity, and improve The effect of calibration efficiency
Pending Publication Date: 2021-10-19
杭州海康消防科技有限公司
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[0003] However, as the operating time of the focal plane sensor changes or the ambient temperature changes, the mapping relationship between the response value and the temperature value will also change. This change will cause the pre-calibrated mapping relationship to be unable to represent the response characteristics of the focal plane sensor. , when using this mapping relationship to realize thermal imaging temperature measurement, it will lead to inaccurate temperature measurement results, that is to say, it is impossible to obtain accurate temperature measurement results
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[0042] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, rather than limiting the present application. As used in this application and the claims, the singular forms "a", "the" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
[0043] It should be understood that although the embodiments of the present application may use terms such as first, second, and third to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present application, first information may also be called second information, and similarly, second ...
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The invention provides a temperature detection method, device and equipment, and the method comprises the steps: obtaining an actual temperature value of a separation blade through a temperature measurement sensor when a relation curve of thermal imaging equipment needs to be updated, and obtaining an original response value of the separation blade through a focal plane sensor; determining a correction response value corresponding to the actual temperature value based on a calibrated initial relation curve, wherein the initial relation curve comprises a mapping relation between the response value and the temperature value; determining a target relation curve based on the initial calibration curve, the original response value and the corrected response value, wherein the target relation curve comprises a mapping relation between the response value and the temperature value; and after the relation curve of the thermal imaging equipment is updated, acquiring a target response value of a target object through the focal plane sensor, determining a target temperature value corresponding to the target response value based on the target relation curve, and determining an actual temperature value of the target object based on the target temperature value. Through the technical scheme of the invention, an accurate temperature measurement result can be obtained.
Description
technical field [0001] The present application relates to the field of infrared imaging technology, in particular to a temperature detection method, device and equipment. Background technique [0002] Thermal imaging temperature measurement is a non-contact temperature measurement method, which can use the focal plane sensor to obtain the target temperature value of the target object. For example, pre-calibrate the mapping relationship between the response value and the temperature value (that is, the functional relationship). After the infrared thermal radiation of the target object reaches the focal plane sensor, the response value of the target object is obtained through the focal plane sensor, and the mapping is queried based on the response value. relationship to get the target temperature value of the target object. [0003] However, as the operating time of the focal plane sensor changes or the ambient temperature changes, the mapping relationship between the respons...
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IPC IPC(8): G01J5/00G01J5/52
CPCG01J5/00G01J2005/0077
Inventor 陆健
Owner 杭州海康消防科技有限公司