Photoelectric composite inclinometer and inclinometer system

Abstract

The invention discloses a photoelectric composite inclinometer and an inclinometer system. The photoelectric composite inclinometer comprises a PVC pipe, a flexible board, a plug and a sealing cover,wherein the flexible board is inserted into the PVC pipe, the plug is arranged at one end of the PVC pipe, and the sealing cover is arranged at the other end of the PVC pipe. On the flexible board, aplurality of fiber Bragg grating sensors and resistance sensors are alternately arranged at equal intervals in the length direction. The photoelectric composite inclinometer disclosed by the inventionhas the beneficial effects that deformation sensitivity is high and measurement accuracy is high; and no charge is carried, size is small, weight is light, waterproof performance is good, and servicelife is long. The inclinometer system comprises an optical divider, an interrogator, a local monitor, an upper server, a remote terminal, a remote alarm and a plurality of photoelectric composite inclinometers. The inclinometer system disclosed by the invention has the beneficial effects that data acquired by all the fiber Bragg grating sensors or data acquired by all the resistance sensors can be selected and processed, or the data acquired by the fiber Bragg grating sensors and the data acquired by the resistance sensors are processed at the same time, thereby being flexible to use and highin reliability.

Description

technical field [0001] The invention relates to the technical field of inclinometer tools, in particular to a photoelectric composite inclinometer and an inclinometer system. Background technique [0002] In engineering practice and scientific research, it is necessary to monitor the displacement and inclination of rock and soil or engineering structures at a certain depth below the ground. Generally, an inclinometer is used to observe the internal displacement of the soil. The most widely used monitoring instruments are micro-electromechanical system-based inclinometers, including portable inclinometers and fixed inclinometers. Portable inclinometers are easy to operate and have relatively mature technology, but they require manual operation of the instrument to complete the measurement, and the test efficiency is low, especially on high and steep slopes where engineering conditions are harsh and manual measurement is inconvenient, so it is difficult to achieve effective re...

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Problems solved by technology

[0003] In view of the problems existing in the prior art, the main purpose of the present invention is to provide a photoelectric composite inclinometer and an inclinometer system, aiming at solving the problem that the existing fixed inclinometer cannot truly reflect the actual deformation of the measured rock and soil, etc. Affect the measurement accuracy, and the system using this existing fixed inclinometer is not flexible enough, and the data reliability is poor

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