CN112033446B - 一种分布式光纤传感系统的监测方法 - Google Patents
一种分布式光纤传感系统的监测方法 Download PDFInfo
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- CN112033446B CN112033446B CN202010918327.2A CN202010918327A CN112033446B CN 112033446 B CN112033446 B CN 112033446B CN 202010918327 A CN202010918327 A CN 202010918327A CN 112033446 B CN112033446 B CN 112033446B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 179
- 239000013307 optical fiber Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 238000004364 calculation method Methods 0.000 claims description 21
- 238000001228 spectrum Methods 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 9
- 238000010494 dissociation reaction Methods 0.000 claims description 7
- 230000005593 dissociations Effects 0.000 claims description 7
- 238000004422 calculation algorithm Methods 0.000 claims description 4
- 238000012821 model calculation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Optical Transform (AREA)
Abstract
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CN202010918327.2A CN112033446B (zh) | 2020-09-03 | 2020-09-03 | 一种分布式光纤传感系统的监测方法 |
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CN202010918327.2A CN112033446B (zh) | 2020-09-03 | 2020-09-03 | 一种分布式光纤传感系统的监测方法 |
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CN112033446A CN112033446A (zh) | 2020-12-04 |
CN112033446B true CN112033446B (zh) | 2022-02-15 |
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CN113267541B (zh) * | 2021-06-30 | 2023-09-22 | 华中科技大学 | 一种混合连续纤维复合材料的电容式在线监测产品及方法 |
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CN102384799B (zh) * | 2011-09-29 | 2014-01-08 | 国电南京自动化股份有限公司 | 基于布里渊分布式光纤传感系统相干检测方案的扫频及数据处理方法 |
CN105203137A (zh) * | 2015-09-07 | 2015-12-30 | 华中科技大学 | 光纤多域传感系统及解调方法 |
CN108225387A (zh) * | 2018-01-19 | 2018-06-29 | 山东大学 | 用于线性工程安全监测的全分布式光纤监测系统与方法 |
CN110058228A (zh) * | 2018-08-13 | 2019-07-26 | 四川久成泰安科技有限公司 | 一种用于毫米波成像技术的新型复合型阵列及系统 |
CN109579726B (zh) * | 2018-12-24 | 2023-03-07 | 南京东智安全科技有限公司 | 一种长标距分布式光纤布里渊传感-解调系统及应变测量方法 |
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Address after: No.755, bachelor Road, Yuelu District, Changsha City, Hunan Province, 410205 Applicant after: CUHK testing (Hunan) Co.,Ltd. Address before: No.755, Xueshi street, Yuelu District, Changsha City, Hunan Province, 410205 Applicant before: HUNAN ZHONGDA TESTING Co.,Ltd. |
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Effective date of registration: 20220406 Address after: 410000 Bachelor's Street, Yuelu District, Changsha City, Hunan Province, 755 Bachelor's Road Patentee after: CUHK testing (Hunan) Co.,Ltd. Patentee after: Hainan Kunyuan Testing Technology Co.,Ltd. Address before: No.755, bachelor Road, Yuelu District, Changsha City, Hunan Province, 410205 Patentee before: CUHK testing (Hunan) Co.,Ltd. |
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Address after: No.755, Xueshi street, Yuelu District, Changsha City, Hunan Province, 410205 Patentee after: Zhongda Intelligent Technology Co.,Ltd. Patentee after: Hainan Kunyuan Testing Technology Co.,Ltd. Address before: 410000 Bachelor's Street, Yuelu District, Changsha City, Hunan Province, 755 Bachelor's Road Patentee before: CUHK testing (Hunan) Co.,Ltd. Patentee before: Hainan Kunyuan Testing Technology Co.,Ltd. |