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A method for correcting test results of infrared temperature measuring equipment

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

Active Publication Date: 2019-04-23
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • 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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  • A method for correcting test results of infrared temperature measuring equipment
  • A method for correcting test results of infrared temperature measuring equipment
  • A method for correcting test results of infrared temperature measuring 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 test results of infrared temperature measuring equipment, taking various infrared temperature measuring equipment as research objects, and manually correcting the measured data; the corrected data is close to the real temperature of the target. The present invention presets the test model and the calculation formula, and tests the function variables corresponding to the model and the formula; then uses software to fit the measured values ​​to determine the coefficients and multipliers of the calculation formula, thereby forming a complete calculation formula; Under the same measurement conditions, no matter how these function variables change, the accurate temperature of the target can be calculated by the same formula. The invention is suitable for correcting the target temperature by infrared temperature measuring equipment with various precisions and applicable temperature ranges under complicated conditions; the method has obvious advantages in measuring the temperature of steel ingots. The method can overcome the temperature error of the infrared temperature measuring equipment when the temperature, distance, angle and other factors change, and realize the purpose of fast, accurate and safe temperature measurement.

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 Patents(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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