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Uncooled thermal infrared imager and method for acquiring temperature information

An uncooled infrared and thermal imager technology, applied in the optical field, can solve the problems of poor temperature measurement accuracy and stability

Pending Publication Date: 2021-11-26
西安中科立德红外科技有限公司
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Problems solved by technology

[0005] This application provides an uncooled infrared thermal imager and a method for obtaining temperature information, which are used to solve the problem that various external factors affect the image grayscale information output by the uncooled infrared thermal imager, resulting in poor accuracy and stability of temperature measurement. question

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  • Uncooled thermal infrared imager and method for acquiring temperature information
  • Uncooled thermal infrared imager and method for acquiring temperature information
  • Uncooled thermal infrared imager and method for acquiring temperature information

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[0058] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0059] When using an uncooled thermal imager for temperature measurement, the output information of the uncooled thermal imager includes target radiation information, environmental radiation information, and various influencing factors such as DC information output by the uncooled thermal imager itself. , and changes in these influencing factors will change the image grayscale information output by the uncooled in...

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Abstract

The invention provides an uncooled infrared thermal imager which comprises an infrared optical lens, an uncooled infrared detector and an image processing module, the first end of the uncooled infrared detector is connected with the infrared optical lens, and the second end of the uncooled infrared detector is connected with the image processing module. The uncooled infrared thermal imager further comprises a compensation black body, the compensation black body is located on the infrared optical lens, the compensation black body is used for cutting into a light path between the infrared optical lens and the uncooled infrared detector, and the image processing module is used for collecting response gray scale data of the compensation black body when the compensation black body cuts into the light path between the infrared optical lens and the uncooled infrared detector, and thus the data is used as a compensation source for the detected target to respond to gray scale data. Therefore, when the compensation black body cuts into the light path, the response gray data of the compensation black body is used as the compensation source of the response gray data of the measured target, thereby achieving the purpose of compensating the influence of environmental radiation factors, reducing the influence of environmental radiation on the image gray information of the measured target, and improving the precision and stability of temperature measurement.

Description

technical field [0001] The present application relates to the field of optical technology, in particular to an uncooled infrared thermal imager and a method for obtaining temperature information. Background technique [0002] The infrared thermal imaging camera includes an infrared optical lens and an infrared detector. The infrared optical lens gathers the infrared radiation emitted by the measured object to the infrared detector through the lens group, and the infrared detector converts the incident radiation into an electrical signal to form a measured object. The grayscale image, that is, the thermal image, reflects the temperature information of the measured object. [0003] Infrared thermal imaging cameras include cooled thermal imaging cameras and uncooled thermal imaging cameras. Uncooled thermal imaging cameras have fewer manufacturing steps, higher yields, and longer service life. Infrared and 8um-14um long-wave infrared have higher thermal radiation resolution, w...

Claims

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Application Information

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IPC IPC(8): G01J5/10G01J5/06
CPCG01J5/10G01J5/06G01J2005/0077
Inventor 郭得福张书强宋洁王鹏闫福文
Owner 西安中科立德红外科技有限公司
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