Air purging device for infrared thermometer

An air purging device, infrared thermometer technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as cracking of light-transmitting glass sheets, and achieve the effect of simple structure, quick installation and disassembly, and easy operation

Active Publication Date: 2020-08-07
AECC COMML AIRCRAFT ENGINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, higher pressure gas may also cause the light-transmitting gl

Method used

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  • Air purging device for infrared thermometer
  • Air purging device for infrared thermometer
  • Air purging device for infrared thermometer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] This embodiment is an air purging device for an infrared thermometer.

[0020] refer to Figure 1 to Figure 5 , the present embodiment is used for the air purging device of the infrared thermometer, which consists of an intermediate pipe 1, an outer pipe 2, an inner high-pressure gas inlet 3, an outer high-pressure gas inlet 4, an outer pipe fixing ring 5, an outer pressurizing ring 7, a circle The arc plug 8, the inner tube fixing ring 10, the inner tube 12, the light-transmitting glass sheet 13, the infrared thermometer 17 and the device body 18 are composed. The device body 18 is a triple concentric cylinder structure with a fixed ring connected at the end; wherein, the outer tube 2 and the middle tube 1 are connected through the outer tube fixing ring 5 at one end, and the other end of the outer tube 2 is inherently outer. The pressurized ring 7, and the gap between the outer pressurized ring 7 and the intermediate pipe 1 is reduced to increase the pressure of the ...

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PUM

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Abstract

The invention discloses an air purging device for an infrared thermometer. A device body is located at the front end of the infrared thermometer; the infrared thermometer is installed on a high-speedgear box through an adjusting support; the device body is of a triple-concentric cylindrical pipe body structure with the end provided with fixing rings for connection; a middle pipe is embedded in anouter side pipe and forms an outer side annular cavity with the outer side pipe; an inner side pipe is located in the middle pipe and forms an inner side annular space with the middle pipe; and a middle cavity of the inner side pipe is a light path channel; high-pressure gas enters the outer side annular cavity and the inner side annular space through an gas inlet; high-pressure gas forms an annular gas wall through an outer side purging structure to prevent an interference medium from entering a to-be-detected area; and the interference medium in the to-be-detected area can be blown away through an inner side purging structure; a light-transmitting glass sheet in an infrared light path structure can prevent an interference medium from entering the lens of the thermometer; and the temperature of the to-be-detected area is measured through infrared light passing through the infrared light path structure; and the measurement precision and use reliability of the thermometer are improved.

Description

technical field [0001] The invention relates to a non-contact optical temperature measuring device, in particular to a device for preventing external interference medium from flowing into or being brought into the area to be measured and the optical path of infrared temperature measurement by airflow, and can reduce the flow of gas to cool the area to be measured. or heating device. Background technique [0002] In a high-speed gearbox system, the tooth surface of the gear is always in the process of dynamic meshing, so it is impossible to directly arrange a contact thermocouple sensor on the tooth surface or tooth root for temperature measurement without damaging the gear body and affecting the gear transmission performance. Non-contact infrared temperature measurement technology can focus the light beam on the detector through its optical system without destroying the temperature field of the measurement target, collect the infrared electromagnetic radiation of the measure...

Claims

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Application Information

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IPC IPC(8): G01J5/02
CPCG01J5/051
Inventor 王琳刘露露郑志振陈国定
Owner AECC COMML AIRCRAFT ENGINE CO LTD
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