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Non-contact glass temperature measuring system and method based on laser interference

A glass temperature, non-contact technology, applied in the field of physical industrial technology research, can solve problems such as temperature measurement range limitation and measurement accuracy impact, and achieve the effects of convenient operation, low cost, and simple and reasonable device structure

Active Publication Date: 2018-10-19
SOUTH CHINA UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The widely used non-contact infrared temperature measurement device may have the following problems: 1. The parameters of the temperature measurement device must be preset based on the emissivity of the material; 2. The measurement accuracy is affected by the size of the temperature measurement target and the temperature measurement distance; 3. Temperature measurement Range limited by material tested

Method used

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  • Non-contact glass temperature measuring system and method based on laser interference
  • Non-contact glass temperature measuring system and method based on laser interference
  • Non-contact glass temperature measuring system and method based on laser interference

Examples

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Embodiment 1

[0042] A non-contact glass temperature measurement system based on laser interferometry, such as figure 1 As shown, it includes a transmitting module 12, a laser beam expander 10, a fully transparent glass sheet 4, a constant temperature heating table 5, a receiving module 3, a glass temperature measurement display 6, a camera 9, a computer 10, and a support frame 13;

[0043] The transmitting module 12, the laser beam expander 10, and the fully transparent glass sheet 4 are all on the support frame, and are vertically discharged from top to bottom; the constant temperature heating table 5 is directly below the transparent glass sheet 4; the receiving module 3 Located obliquely above the fully transparent glass sheet 4; the receiving module 3 is connected to the glass temperature measurement display 6; the camera 9 is connected to the computer 10;

[0044] The emitting module 12 includes a red laser emitter 11; the red laser emitter 11 is a 5V copper semiconductor laser tube f...

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Abstract

The invention discloses a non-contact glass temperature measuring system and method based on laser interferences; the system comprises an emission module, a laser beam expander, a full transparent glass sheet, a constant temperature heating table, a reception module, a glass temperature measuring display, a camera, a computer, and a support frame; the emission module, the laser beam expander and the full transparent glass sheet are arranged on the support frame from top to bottom in a vertical manner; the constant temperature heating table is arranged right below the full transparent glass sheet; the reception module is arranged above the full transparent glass sheet in an inclined manner; the reception module and the glass temperature measuring display are connected; the camera and the computer are connected. The full transparent glass sheet and a to-be-measured glass sheet form wedge interference; the system uses the glass temperature measuring display to obtain a first interferencefringe mobile number, uses the camera and the computer to obtain a second interference fringe mobile number, thus obtaining a corrected interference fringe mobile number, and further obtaining the real time temperature of the to-be-measured glass sheet. The device is simple and reasonable in structure, low in cost, easy to operate, and suitable for promotion and application.

Description

technical field [0001] The invention relates to the field of physical industrial technology research, in particular to a non-contact glass temperature measurement system and method based on laser interference. Background technique [0002] In terms of scientific research and practical applications, people have higher and higher requirements for temperature. For example, in the temperature control system of ultra-precision optical glass processing machine tools, in order to ensure the processing accuracy, the requirements for temperature control must be increased, which requires accurate measurement. the temperature of the glass. [0003] The widely used non-contact infrared temperature measurement device may have the following problems: 1. The parameters of the temperature measurement device must be preset based on the emissivity of the material; 2. The measurement accuracy is affected by the size of the temperature measurement target and the temperature measurement distance...

Claims

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Application Information

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IPC IPC(8): G01J5/58
CPCG01J5/58G01J2005/583
Inventor 卢治霖马守然於黄忠黎振超温恒睿叶光照
Owner SOUTH CHINA UNIV OF TECH
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