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On-line measurement method of internal temp. of rolled plate and its special-purpose system

A technology of internal temperature and measurement methods, applied in thermometers, measuring devices, measuring heat, etc., can solve problems such as inability to record data in real time, slow response speed, and unbearable pressure

Inactive Publication Date: 2004-07-07
SHENGYANG INST OF METALS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, there are obvious deficiencies in the existing temperature measuring equipment used in the rolling process: narrow measurement range, slow response speed, long sampling period, unable to record data in real time, and difficult to withstand the pressure in the rolling process, so most of them are used for rolling The temperature measurement of the process is non-contact temperature measurement, such as the widely used optical temperature measurement technology, the accuracy of the measurement is greatly affected

Method used

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  • On-line measurement method of internal temp. of rolled plate and its special-purpose system
  • On-line measurement method of internal temp. of rolled plate and its special-purpose system
  • On-line measurement method of internal temp. of rolled plate and its special-purpose system

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Embodiment

[0012] The temperature measurement system includes hardware and software. The measurement and control principle is shown in figure 1. The system hardware adopts portable industrial computer, high-precision sensor, high-performance analog-to-digital conversion card, high-gain, low-error amplifier board, and these hardware modules can be purchased in the market. While improving the accuracy and speed of measurement, in order to facilitate on-site measurement, a set of user-friendly temperature measurement software and thermocouple index database were developed on the basis of Advantech VisiDAQ 3.1 module using VB, running on Windows on the industrial computer platform. The temperature measurement software has powerful functions and is suitable for various types of thermocouple temperature measurement. Through the research of filtering, shielding interference, and compensating lag, the system is perfected to make the system accurate, reliable and efficient.

[0013] In actual m...

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Abstract

The present invention relates to a method for on-line measuring interior temp of rolled plate, and is characterized by that the said method includes collection of temp. signal and data processing, and adopts the following steps: drilling on the side surface of the sample parallel to the rolling direction to the tested point, making thermoelectric couple insert into the above-mentioned hole drilled on the sample, and at the same time of rolling sample, on-line measuring its interior temp. automatically. This invention can implement continuous, real-time and on-line measurement of internal temp. of rolled plate, and can accurately record internal temp. change of rolled plate so as to provide most basic precondition for optimizing and controlling rolling process.

Description

technical field [0001] The invention relates to a temperature measurement method, and in particular provides an on-line measurement method and a special system for the internal temperature of a rolling plate. Background technique [0002] With the wide application of continuous casting and rolling technology, the improvement of production automation level and the improvement of the performance requirements of the rolling plate, it is necessary to further tap the potential of the process, and greatly improve the strength of the rolling plate and prolong its service life through simulation and optimization of the process. , and ensure good overall performance. The temperature field in the rolling process is one of the main factors affecting the stability of product performance. This requires an in-depth study of the quantitative relationship between the macroscopic process parameters of hot rolling and the microstructure of the rolled plate, and accurate testing and control o...

Claims

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Application Information

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IPC IPC(8): B21B38/00G01K11/00
Inventor 陈祥永李谦李殿中李依依
Owner SHENGYANG INST OF METALS CHINESE ACAD OF SCI
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