Method for correcting resting result of infrared temperature measurement equipment

A technology of infrared temperature measurement and test results, applied in the field of metallurgy, can solve problems such as difficult to measure relatively accurate temperature, and achieve the effect of large temperature range

Active Publication Date: 2017-05-31
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0021] The purpose of the present invention is to provide a method for correcting the test results of infrared temperature measuring equipment to overcome the problem that it is difficult to measure more accurate temperature when infrared temperature measuring equipment is used in high temperature and dusty areas

Method used

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  • Method for correcting resting result of infrared temperature measurement equipment
  • Method for correcting resting result of infrared temperature measurement equipment
  • Method for correcting resting result of infrared temperature measurement equipment

Examples

Experimental program
Comparison scheme
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Embodiment

[0058] Example: Surface temperature measurement of a 6.8t steel ingot in a special steel plant

[0059] (1) Basic information:

[0060] G15 6.8t steel ingots are poured by a steel pouring car, with 6 pieces in a plate. It is necessary to know the change of the mold temperature during the injection molding process and the cooling process to confirm the solidification state of the steel ingot and provide corresponding parameters for the numerical simulation. There are many measurement points, the time is tight and the environment is harsh, so non-contact temperature measurement should be used. The temperature measured by 3i2mSc / C2 infrared temperature gun is shown in Table 2.

[0061] Table 2. Surface temperature of 6.8t steel ingot ingot mold measured by infrared temperature measuring gun and infrared thermal imager

[0062]

[0063] (2) Application method

[0064] In fact, the temperature range of the ingot mold obtained by manual measurement with thermocouples is 100-2...

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Abstract

The invention proposes a method for correcting the resting result of infrared temperature measurement equipment, and various types of infrared temperature measurement equipment as a research object. The data measured by the infrared temperature measurement equipment is corrected manually, and the corrected data is close to the real temperature of the object. The method comprises the steps: testing the function variables corresponding to a model and a formula through presetting a testing module and a calculation formula; carrying out the fitting of the measured data through software, determining the coefficient and multiplier of the calculation formula, and forming a complete calculation formula; and calculating the accurate temperature of the target under the same measurement condition no matter how the function variables change. The method is suitable for the correction of the target temperature of the infrared temperature measurement equipment with various types of precision and applicable temperature ranges under the complex conditions. The method has obvious advantages for the measurement of the temperature of steel ingot. The method can overcome the temperature errors, caused by the temperature, distance and angle changes, of the infrared temperature measurement equipment, and achieves the purpose of measuring temperature quickly, accurately and safely.

Description

technical field [0001] The present invention relates to the field of metallurgy technology, in particular to a method for correcting the test results of infrared temperature measuring equipment. Under the premise of reasonably setting the parameters of infrared temperature measuring equipment, data processing can be performed in advance and combined with field measured data to realize correcting Correction of test results. Background technique [0002] Temperature measurement is a very important factor in metallurgical processes. In the process of metal smelting, some important chemical reactions need to be carried out under specific temperature conditions; steel slag interface reactions also need a suitable temperature to have suitable kinetic conditions; temperature. Therefore, measuring accurate temperature values ​​during these processes is critical to success. [0003] In actual production, there are mainly two types of temperature measurement methods: contact and no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/06G01K7/02
CPCG01J5/06G01K7/02G01J2005/063
Inventor 唐雯聃赵俊学刘国军李小明马占彪李刚史云
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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