Patent ID: 7418185
Filing Date: 2008-08-26
Classification: G01B,G01D,G01M,G02B

Abstract:
1. A fixer for a fiber bragg grating sensor to measure a strain of an object to be measured, the fixer including: a pair of fixing pieces for securing the fiber bragg grating sensor to the object, wherein each of the fixing pieces has a sensor holding groove at a bottom surface of the fixing piece, and a tube receiving portion protruded from one side of the fixing piece, which communicates with the sensor holding groove, wherein each fixing piece with the tube receiving portion is an integrate structure in assembly for measuring the strain of the object; and a tube enclosing the fiber bragg grating sensor, disposed between the pair of fixing pieces, such that both ends of the tube are detachably secured to each of the tube receiving portions of the fixing pieces by a fastening member, wherein the tube is not directly fixed to a surface of the object to be measured; and the fiber bragg grating sensor is inserted into the tube, and both ends of the fiber bragg grating sensor are firmly secured to the sensor holding groove of the fixing piece by an adhesive, and each fixing piece with the tube receiving portion is a single structural body.