Road-use optical fiber grating interlayer relative horizontal displacement sensor
A displacement sensor and fiber grating technology, applied in the field of displacement sensor, can solve the problems of inability to measure, affect the service life of the road, difficult to move, etc., and achieve the effect of good anti-electromagnetic interference performance, wide application range, and small optical fiber transmission loss.
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.
[0020] Such as figure 1 with figure 2 As shown, a relative horizontal displacement sensor between layers of road fiber gratings involved in this embodiment includes: a top cover 1, a central column 2, a bottom plate 3, a fixing ring 4, a silicone pad 5, a fixing plate 6, and equal strength beams 7. Optical fiber grating 9 and glass sheet 10, the bottom of the bottom plate 3 is provided with a fixed plate groove 11, the fixed plate 6 is arranged in the fixed plate groove 11 at the bottom of the bottom plate 3, the upper part of the bottom plate 3 is provided with a chute 8, the chute 8 is provided with a glass sheet 10, t...
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