Optical fiber temperature sensor calibration method and device and computer equipment

An optical fiber temperature and sensor technology, applied in the field of optical fiber sensing, can solve problems such as inconvenient on-site operation, save workload, simplify calibration operation process, and improve calibration efficiency.

Active Publication Date: 2022-06-03
SUZHOU GUANGGE EQUIP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In related technologies, it is usually calibrated to measure a certain temperature difference in optical fiber manufacturing, requiring staff to carry a hig

Method used

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  • Optical fiber temperature sensor calibration method and device and computer equipment
  • Optical fiber temperature sensor calibration method and device and computer equipment
  • Optical fiber temperature sensor calibration method and device and computer equipment

Examples

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Example Embodiment

[0068] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, implements the steps in the foregoing method embodiments.

[0069] In one embodiment, a computer program product is provided, including a computer program, which implements the steps in each of the foregoing method embodiments when the computer program is executed by a processor.

[0070] It should be noted that the user information (including but not limited to user equipment information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, displayed data, etc.) involved in the embodiments of the present disclosure, etc. , are all information and data authorized by the user or fully authorized by all parties.

[0071] Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented...

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Abstract

The embodiment of the invention relates to an optical fiber temperature sensor calibration method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring a Stokes curve and an anti-Stokes curve of an acquisition signal of a to-be-calibrated optical fiber and temperatures at a plurality of loss points of the to-be-calibrated optical fiber; according to Stokes curve values and anti-Stokes curve values corresponding to front and rear sub-optical fibers of the loss point, a proportionality coefficient corresponding to the loss point is determined, and the sub-optical fibers are obtained by segmenting the optical fiber to be calibrated according to the plurality of loss points; and according to the proportionality coefficient and the temperature, determining a linear relationship between the measured temperature of each section of sub-optical fiber in the sub-optical fibers and the collected signal of the sub-optical fiber. The method can simplify the calibration operation process of the optical fiber temperature sensor, saves the workload, and improves the calibration efficiency.

Description

technical field [0001] The embodiments of the present disclosure relate to the technical field of optical fiber sensing, and in particular, to a method, apparatus, computer equipment, storage medium, and computer program product for calibrating an optical fiber temperature sensor. Background technique [0002] Distributed optical fiber temperature sensor is a kind of optical fiber sensor system for real-time measurement of spatial temperature field distribution. It has the characteristics of intrinsic passive, anti-electromagnetic interference, continuous linear temperature measurement, corrosion resistance, easy installation and integration, etc. Online real-time temperature monitoring and early warning and alarm of fire, gas and liquid leakage in cables, tunnels, coal mines, oil wells and other fields. However, before using the distributed fiber optic temperature sensor in the specific application scenario, it needs to be calibrated, that is, according to the function rela...

Claims

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Application Information

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IPC IPC(8): G01K15/00
CPCG01K15/005
Inventor 郎国伟陈科新张超
Owner SUZHOU GUANGGE EQUIP
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