Turbine blade infrared radiation light collection device

A technology of turbine blades and collection devices, applied in the field of mechanical structure, can solve the problem that the focusing collimator cannot be adjusted.

Inactive Publication Date: 2017-11-03
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the problem that the focus collimating mirror cannot be adjusted in the existing infrared temperature measurement system, the present invention provides an adjustable focus infrared temperature measurement device applied to the temperature measurement of the surface of the turbine blade

Method used

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  • Turbine blade infrared radiation light collection device
  • Turbine blade infrared radiation light collection device
  • Turbine blade infrared radiation light collection device

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Experimental program
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Embodiment Construction

[0016] The present invention will be further introduced below in conjunction with the drawings and embodiments.

[0017] The reflecting mirror is made of quartz, the reflecting surface is plated with metal platinum, the lens diameter is 10mm, and the deflection angle is adjusted by the main control center to reflect the infrared light radiated by the turbine blades into the temperature measuring light path.

[0018] The measurement base is used for fixing the reflector and the infrared light detector.

[0019] The collimating mirror is made of calcium fluoride material and has a diameter of 30 mm. It is used to turn the infrared light reflected by the reflector into parallel light and accurately focus the infrared light radiated by the turbine blades in the infrared detector. Such as Figure 4 As shown, when the deflection angle of the reflector changes, the radiant energy radiated by points on the turbine blades at different positions is reflected into the light path. Since the poi...

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PUM

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Abstract

The invention discloses a turbine blade infrared radiation light collection device, which belongs to the field of mechanical structures. A light focusing method is particularly designed. Infrared radiation light on the surface of the turbine blade is collected through a reflector, the light is collimated by a collimating mirror, the light is finally collected by a received through a focusing mirror, the collimating mirror is arranged on a collimating sliding block, the collimating sliding block is arranged on a collimating guide rail, a small rigid ball is adopted between the collimating sliding block and the collimating guide rail for realizing sliding connection, accurate movement of the collimating sliding block is realized through engagement between a gear and a rack, and in order to enable the movement distance of the collimating sliding block to be more accurate, a position detection point is arranged on the collimating guide rail for position detection and correction on the collimating sliding block. Thus, the device has the advantage that the turbine blade infrared radiation light collection can be realized, and the focusing precision is high.

Description

Technical field [0001] The invention belongs to the field of mechanical structure, and specifically designs a light focusing method. Background technique [0002] Compared with general temperature measurement technology, infrared temperature measurement technology does not need to contact the object to be measured, does not damage the temperature field of the object to be measured, and has a fast response speed. The target temperature can be measured within a few milliseconds. The sensitivity is high, and the resolution is from 0.01 The temperature difference is ℃, the temperature measurement range is from -170℃ to 3200℃ or more, the operation is simple, safe and reliable, and it can realize the advantages of real-time observation. Therefore, infrared temperature measurement has also been widely used by domestic and foreign companies in the fields of industry, astronomy, meteorology, resource detection, scientific research, and military. [0003] The infrared temperature measureme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/00G01J5/02G01J5/08G01J5/10
CPCG01J5/0088G01J5/0205G01J5/0806G01J5/084G01J5/10
Inventor 王超杨洋姜晶胡俊张晨贵王飞段英张泽展苟学科王跃明耿慧远
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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