Open AccessUtilization of the Thermoelectric Sensor to Realize a New Fluid Level Detector
Author(s) -
Khalid Hachami,
D. Moussaid,
Mohammed Rahmoun,
E. Bendada
Publication year - 2001
Publication title -
active and passive electronic components
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.144
H-Index - 22
eISSN - 1026-7034
pISSN - 0882-7516
DOI - 10.1155/2001/61546
Subject(s) - thermocouple , thermoelectric effect , resistive touchscreen , electrical engineering , detector , voltage , planar , electronic circuit , track (disk drive) , thermoelectric cooling , biasing , optoelectronics , materials science , electronic engineering , engineering , mechanical engineering , computer science , physics , computer graphics (images) , thermodynamics
This paper describes a prototype thermoelectric sensor system which makes use of thethermoelectrical effects. The sensor includes two printed circuits, the first isconstituted of a resistive constantan track, the second is a planar thermoelectriccircuit constituted of many plated differential thermocouples. The first circuit is placedat the top of the second circuit so that the resistive tack is placed on the top of theeven thermocouple junctions. The measuring method consists to passing an electricalcurrent through the constantan track in order to generate temperature gradientsbetween the junction points of the second circuit. Then the resulting temperaturedifferences between the junction points is directly converted into a proportionalSeebeck voltage. As an application, the sensor is placed into a reservoir and adaptedin order to realize a fluid level detector
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