Two-dimensional fiber bundle micro vibration fiber sensor and using method thereof

An optical fiber sensor, two-dimensional optical fiber technology, applied in the direction of instruments, using wave/particle radiation, measuring devices, etc., can solve the problems of online detection, the influence of detection results, and the inability of the sensor probe to be charged, and achieve simple manufacturing and structure. Effect

Inactive Publication Date: 2015-05-27
DALIAN KANGSAIPU TECH DEV
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Problems solved by technology

In addition, environmental noise, sensor installation method and wire laying method all have a great influence on the detection results
[0004] The sensing detectors of foreign testing instruments mainly have optical vibration sensing, and the sensing is composed of spring plates loaded with gratings: there are many occasions that require micro-vibration sensing probes not to be charged, and need to work in an environment of electromagnetic interference, and some The requirement must be detected online, so it cannot meet the requirement

Method used

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  • Two-dimensional fiber bundle micro vibration fiber sensor and using method thereof

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Embodiment Construction

[0010] According to attached figure 1 : Take a large-core quartz optical fiber 3 with a diameter of 0.2 mm to 0.7 mm, fix it with an optical fiber fulcrum frame 4 at an appropriate position of the optical fiber 3, and then cure the optical fiber fulcrum frame 4 on one end of the cylindrical outer shell 2 with glue, and Fitted with the optical fiber connector 5, the other end of the outer shell 2 is assembled with the optical fiber bundle 1 through the first adapter 11, the light source is input from one end of the optical fiber connector 5, and the light is output through the optical fiber connector 5 → optical fiber 3 → first adapter 11; The image conversion device is made up of a second adapter 11', an image converter 9, a power interface 6 and an electrical signal output port 7. The optical image is input from the second adapter 11', and the optical image of the optical fiber bundle 1 is converted into an image by the image converter 9. Electrical signal output. The light ...

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Abstract

The invention discloses a two-dimensional fiber bundle micro vibration fiber sensor and a using method thereof. The two-dimensional fiber bundle micro vibration fiber sensor comprises an outer shell, a fiber pivot frame, a fiber connector, a fiber bundle, a first adapter, an image conversion device for processing optical signals, and a fiber bundle connector for connecting the first adapter and the image conversion device, wherein the image conversion device is composed of an image converter, a second adapter connected with the image converter, an electrical signal output port and a power interface. According to the two-dimensional fiber bundle micro vibration fiber sensor using method, the length of the fiber bundle connector is adjusted, the outer shell of the two-dimensional fiber bundle micro vibration fiber sensor is partially arranged on a detected object, and the image conversion device is placed at another place. The problems of online detection and high sensitivity which can not be solved by the prior sensor can be solved, the sensor can resist high voltage, strong magnetic field, and radiation, and is simple in manufacturing and structure, and large instrument equipment, operating equipment and the like can be ensured to work normally.

Description

technical field [0001] The invention relates to a vibration sensor, in particular to a two-dimensional optical fiber bundle micro-vibration optical fiber sensor and a using method thereof. Background technique [0002] When large-scale equipment and operating equipment are working, there will be a certain range of small vibrations. Under normal circumstances, the amplitude of this vibration will not exceed a certain range. When the equipment and operating equipment are working abnormally, the vibration will also appear. abnormal. In many cases, we hope to know the specific size and direction of this vibration, so as to obtain the critical value of abnormal vibration in time, and take measures to eliminate major accidents in instruments, flight and operation equipment. [0003] In the early days of measuring vibration displacement, levers or gears / racks were used to amplify. This type of meter has disadvantages such as wear, inconvenient reading, and inability to transmit vi...

Claims

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Application Information

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IPC IPC(8): G01H9/00
Inventor 鞠洪建
Owner DALIAN KANGSAIPU TECH DEV
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