Reflective optical fiber sensor device

An optical fiber sensor and reflective technology, applied in the field of sensors, can solve the problems of poor corrosion resistance, large volume and short service life, and achieve the effects of good corrosion resistance, small size and long service life.

Inactive Publication Date: 2012-04-11
王建伟 +3
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0009] In the process of realizing the present invention, the inventor found that the sensors in the prior art have at least some defects such as large volume, inability to be used in an environment with electromagnetic interference, short service life and poor corrosion resistance.

Method used

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Embodiment Construction

[0036] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0037] According to an embodiment of the present invention, a reflective optical fiber sensor device is provided. Such as Figure 1-Figure 13 As shown, this embodiment includes a light source 1 , a photodetector 3 and a sensor probe 2 , wherein: the sensor probe 2 receives the incident light from the light source 1 , and sends the resulting reflected light to the photodetector 3 after processing.

[0038] Further, in the above-mentioned embodiment, inside the sensor probe 2, a single-mode optical fiber (such as a single-mode optical fiber 41) and at least one multi-mode optical fiber arranged in parallel are packaged; wherein: the single-mode optical fiber 41 is use...

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Abstract

The invention discloses a reflective optical fiber sensor device, which comprises a light source, an optical detector and a sensor probe, wherein the sensor probe is used for receiving and processing the incident light emitted by the light source and sending the obtained reflected light to the optical detector. The reflective optical fiber sensor device can overcome the defects that the sensor in the prior art has large volume, cannot be used in an environment with electromagnetic interference and has short service life and poor corrosion resistance, and has the advantages of small volume, wide application range, long service life and good corrosion resistance.

Description

technical field [0001] The present invention relates to sensors, in particular to a reflective optical fiber sensor device. Background technique [0002] With the rapid development of science and technology and the continuous improvement of people's living standards, in order to obtain information from the outside world, people must rely on sensory organs; and relying on people's own sensory organs alone, in the study of natural phenomena and laws and their functions in production activities It's not enough; to accommodate this situation, sensors have emerged. [0003] A sensor is a physical device or biological organ that can detect and sense external signals, physical conditions (such as light, heat, humidity) or chemical composition (such as smoke), and convert them into substances of the same or other nature according to certain rules. A device that outputs signals; it can be used in various fields such as fire protection, machinery, and construction. Its internal struc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D5/26G01L1/24G01K11/32G01N17/00
Inventor 王建伟黄海鹰左广辉柳涛
Owner 王建伟
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