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Double C -type spring tube fiber optic differential pressure gauge

Author: LiMangXue
Tutor: YeHongAn
School: Heilongjiang University
Course: Microelectronics and Solid State Electronics
Keywords: Double C -type spring tube Fiber optic differential pressure gauge Reflective optical fiber probe Automatic compensation
CLC: TP216
Type: Master's thesis
Year: 2008
Downloads: 19
Quote: 0
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Abstract


Double C -type spring tube fiber optic differential pressure gauge is a new type of differential pressure measurement device . The fiber differential pressure gauge is a reflection compensated fiber sensing principle , the use of two C -shaped spring tube in the original C - type spring tube mechanical pressure gauge coupled become a differential pressure transducer element to achieve differential displacement conversion, and then the composite compensating optical fiber displacement sensing means of a reflector , and to complete the measurement of the differential pressure . This differential pressure gauge extends the functionality of the original mechanical pressure gauge , to use its fiber-optic pressure signal transmission, differential pressure monitoring away from the scene , and particularly suitable for differential pressure telemetry in the petroleum , chemicals and other inflammable and explosive occasions . Theory and experimental test validation, double C -type structure of the fiber optic differential pressure gauge , can automatically eliminate the impact of changes in ambient air pressure and temperature of the measurement results , with automatic compensation function ; reflection compensated fiber optic probe to eliminate the instability of the light source and during transmission of the optical path of the impact of temperature change on the optical fiber , etc. , has the characteristics of the optical path of automatic compensation . Reflection compensating fiber sensing probe with double combination of C-type spring tube , composed performance has broad application prospects fiber optic differential pressure sensor .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation components,parts > Automatic testing equipment,instruments
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