High temperature resistance fiber bragg grating pressure sensor

The invention provides a high temperature resistance fiber bragg grating pressure sensor which comprises a fiber bragg grating, a thin-walled cylinder, a protection sleeve, a connection clamping sleeve and an oil inlet clamping head. The thin-walled cylinder is located in the protection sleeve. The...

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Bibliographische Detailangaben
Hauptverfasser:	Liu Lei, Hu Chuanlong, Liu Yanan, Yu Jinchang
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	The invention provides a high temperature resistance fiber bragg grating pressure sensor which comprises a fiber bragg grating, a thin-walled cylinder, a protection sleeve, a connection clamping sleeve and an oil inlet clamping head. The thin-walled cylinder is located in the protection sleeve. The fiber bragg grating is pasted on the outer surface of the thin-walled cylinder. The oil inlet clamping head and the protection sleeve are in sealed connection. The oil inlet clamping head is connected with the thin-walled cylinder. The left part of the thin-walled cylinder is designed is in a hollow structure. The right part of the thin-walled cylinder is designed is in a solid structure. The connection clamping sleeve is connected with the right end of the protection sleeve. The high temperature resistance fiber bragg grating pressure sensor rpvoded by the invention is able to carry out pressure and temperature dual parameter measurement in the harsh environment of high temperature and high pressure, realizes temp