CN110967165A - Method for testing performance of full-sea-depth optical fiber micro-cable - Google Patents
Method for testing performance of full-sea-depth optical fiber micro-cable Download PDFInfo
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- CN110967165A CN110967165A CN201911143888.3A CN201911143888A CN110967165A CN 110967165 A CN110967165 A CN 110967165A CN 201911143888 A CN201911143888 A CN 201911143888A CN 110967165 A CN110967165 A CN 110967165A
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- optical fiber
- fiber micro
- micro cable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
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- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention provides a method for testing the performance of a full-sea-depth optical fiber micro cable, which comprises the steps of winding the optical fiber micro cable on an optical fiber micro cable coil according to the actual winding state in the coil, densely arranging turns and turns, and assembling to obtain the coil; placing the clew in a high-pressure container, leading out an optical fiber micro cable end from the high-pressure container, welding an FC optical fiber joint, and connecting an optical time domain reflectometer; applying and maintaining the water pressure in a high-pressure container at a simulation set sea depth, and measuring the unit loss of the optical fiber micro cable on a set wavelength before pressurization, during a pressurization test and after pressure removal by using an optical time domain reflectometer, thereby determining the unit loss increment of the optical fiber micro cable in a high pressure-resistant environment. The method can make up the imperfection of the existing high pressure resistance test method of the full-sea deep and long-distance optical fiber micro cable, realizes the simulation of the environment in the depth of ten thousand meters in the land test, and researches and evaluates the high pressure resistance of the optical fiber micro cable in the depth and long distance of ten thousand meters in the sea.
Description
Technical Field
The invention relates to the technical field of optical fiber micro cable testing, in particular to a full-sea-depth optical fiber micro cable performance testing method which is suitable for high pressure resistance research and evaluation of a myriameter-sea-depth optical fiber micro cable.
Background
The main channel for the communication between the optical fiber micro-cable deep-sea aircraft and the mother ship is a main component of the coil, and directly determines the service performance of the coil in the all-sea deep complex environment. Due to the fact that the using environment is severe, optical fiber transmission loss is large, in order to meet the requirements of using the optical fiber micro cable in a depth of ten thousand meters, research and development of the high-voltage-resistance optical fiber micro cable are carried out, the problem of testing the high-voltage-resistance performance of the full-depth optical fiber micro cable needs to be solved, and the large-scale production of the optical fiber micro cable can be achieved.
The existing optical fiber micro cable performance test is only carried out in a loose state of the optical fiber micro cable, and no test method capable of effectively simulating and testing the high pressure resistance of the optical fiber micro cable under the full-sea-depth condition exists.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for testing the performance of a full-sea-depth optical fiber micro-cable, which realizes the simulation of a ten thousand meter sea-depth environment in a land test and performs test research on the high pressure resistance of the full-sea-depth optical fiber micro-cable.
The technical scheme of the invention is as follows:
the full-sea-depth optical fiber micro cable performance testing method is characterized by comprising the following steps: winding the turns of the optical fiber micro cable on an optical fiber micro cable coil according to the actual winding state in the coil, densely arranging the turns and winding the turns on the optical fiber micro cable coil, and assembling the turns and the coil to obtain the coil; placing the clew in a high-pressure container, leading out an optical fiber micro cable end from the high-pressure container, welding an FC optical fiber joint, and connecting an optical time domain reflectometer; applying and maintaining the water pressure in a high-pressure container at a simulation set sea depth, and measuring the unit loss of the optical fiber micro cable on a set wavelength before pressurization, during a pressurization test and after pressure removal by using an optical time domain reflectometer, thereby determining the unit loss increment of the optical fiber micro cable in a high pressure-resistant environment.
Advantageous effects
The testing method of the full-sea-depth optical fiber micro cable provided by the invention can make up the imperfection of the existing high pressure resistance testing method of the full-sea-depth long-distance optical fiber micro cable, realizes the simulation of a ten thousand meter sea-depth environment in a land test, and researches and evaluates the high pressure resistance of the ten thousand meter sea-depth long-distance optical fiber micro cable.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a coil.
Detailed Description
In this embodiment, the optical fiber micro cable which is originally loosely wound is wound on the optical fiber micro cable coil according to the actual winding state in the coil, and turns are densely arranged and wound on the optical fiber micro cable coil, and the coil is obtained by assembling, as shown in fig. 1; then placing the coil in a high-pressure container, leading out the end of the optical fiber micro cable from the high-pressure container, welding an FC optical fiber joint, and connecting an optical time domain reflectometer; applying 10MPa of water pressure in a high-pressure container to simulate the depth of ten thousand meters in sea; and measuring the unit loss of the optical fiber micro cable on the set wavelength before pressurization, during a pressurization test and after pressure removal by using an optical time domain reflectometer, and comparing the unit loss to determine the unit loss increment of the optical fiber micro cable in a high pressure-resistant environment.
The method can make up the imperfection of the existing high pressure resistance test method of the full-sea deep and long-distance optical fiber micro cable, realizes the simulation of the environment in the depth of ten thousand meters in the land test, and researches and evaluates the high pressure resistance of the optical fiber micro cable in the depth and long distance of ten thousand meters in the sea.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (1)
1. A full-sea-depth optical fiber micro cable performance test method is characterized by comprising the following steps: winding the turns of the optical fiber micro cable on an optical fiber micro cable coil according to the actual winding state in the coil, densely arranging the turns and winding the turns on the optical fiber micro cable coil, and assembling the turns and the coil to obtain the coil; placing the clew in a high-pressure container, leading out an optical fiber micro cable end from the high-pressure container, welding an FC optical fiber joint, and connecting an optical time domain reflectometer; applying and maintaining the water pressure in a high-pressure container at a simulation set sea depth, and measuring the unit loss of the optical fiber micro cable on a set wavelength before pressurization, during a pressurization test and after pressure removal by using an optical time domain reflectometer, thereby determining the unit loss increment of the optical fiber micro cable in a high pressure-resistant environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143888.3A CN110967165A (en) | 2019-11-20 | 2019-11-20 | Method for testing performance of full-sea-depth optical fiber micro-cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911143888.3A CN110967165A (en) | 2019-11-20 | 2019-11-20 | Method for testing performance of full-sea-depth optical fiber micro-cable |
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| CN110967165A true CN110967165A (en) | 2020-04-07 |
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| CN201911143888.3A Pending CN110967165A (en) | 2019-11-20 | 2019-11-20 | Method for testing performance of full-sea-depth optical fiber micro-cable |
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Citations (7)
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|---|---|---|---|---|
| JP2004309933A (en) * | 2003-04-10 | 2004-11-04 | Mitsubishi Electric Corp | Optical fiber hermetic seal structure |
| CN101644648A (en) * | 2008-08-06 | 2010-02-10 | 江苏通光信息有限公司 | Method and device for testing water pressure resistance and water permeability of undersea cable and underwater facility thereof |
| CN101881677A (en) * | 2010-06-29 | 2010-11-10 | 西安金和光学科技有限公司 | Annular whisker optical fiber stress monitoring device |
| CN105865931A (en) * | 2016-04-19 | 2016-08-17 | 承德市德盛检测设备有限公司 | Ultrahigh-pressure extralarge vessel constant-pressure test machine and detection method |
| CN107294605A (en) * | 2017-07-07 | 2017-10-24 | 上海海洋大学 | A kind of full deep sea pressure simulating test device real-time monitoring system and monitoring method |
| CN107421718A (en) * | 2017-08-22 | 2017-12-01 | 中国人民解放军海军工程大学 | Relay sea light cable detection method |
| CN207380300U (en) * | 2017-10-26 | 2018-05-18 | 西安海驰通信科技有限公司 | An a kind of equal die mould optical fiber ball of string |
-
2019
- 2019-11-20 CN CN201911143888.3A patent/CN110967165A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004309933A (en) * | 2003-04-10 | 2004-11-04 | Mitsubishi Electric Corp | Optical fiber hermetic seal structure |
| CN101644648A (en) * | 2008-08-06 | 2010-02-10 | 江苏通光信息有限公司 | Method and device for testing water pressure resistance and water permeability of undersea cable and underwater facility thereof |
| CN101881677A (en) * | 2010-06-29 | 2010-11-10 | 西安金和光学科技有限公司 | Annular whisker optical fiber stress monitoring device |
| CN105865931A (en) * | 2016-04-19 | 2016-08-17 | 承德市德盛检测设备有限公司 | Ultrahigh-pressure extralarge vessel constant-pressure test machine and detection method |
| CN107294605A (en) * | 2017-07-07 | 2017-10-24 | 上海海洋大学 | A kind of full deep sea pressure simulating test device real-time monitoring system and monitoring method |
| CN107421718A (en) * | 2017-08-22 | 2017-12-01 | 中国人民解放军海军工程大学 | Relay sea light cable detection method |
| CN207380300U (en) * | 2017-10-26 | 2018-05-18 | 西安海驰通信科技有限公司 | An a kind of equal die mould optical fiber ball of string |
Non-Patent Citations (2)
| Title |
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| 沈明学 等: "微细光缆静水高压环境下的传输衰减特性试验研究", 《船舶力学》 * |
| 高卓 等: "微细光缆在水下航行器中的应用及关键技术综述", 《水下无人系统学报》 * |
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