CN114422025A - Optical cable route searching method based on sound wave transmission - Google Patents
Optical cable route searching method based on sound wave transmission Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
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- 238000005452 bending Methods 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 239000013307 optical fiber Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
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- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0771—Fault location on the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
Abstract
The invention discloses an optical cable route searching method based on sound wave transmission, which comprises the steps of selecting one of optical cables to be detected at one side of a first distribution frame connected with one ends of the optical cables to be detected, starting detection, installing a sound wave generating device at the port of the optical cable to be detected, applying sound wave excitation to the optical cable to be detected and generating vibration; and when the sound wave receiving device detects the sound wave with the same frequency as the sound wave generating device, the sound wave receiving device stores the port information in pairs. The method of the invention does not need to interrupt the communication service, and can realize the purpose of searching the optical cable route only by generating sound wave excitation, transmitting the sound wave in the optical cable through the sound wave generating device and receiving the sound wave through the sound wave receiving device which can store information.
Description
Technical Field
The invention belongs to the technical field of optical cable route identification and maintenance, and particularly relates to an optical cable route searching method based on sound wave transmission.
Background
The optical cable quantity is huge and accumulates throughout the year in traditional wiring room, causes that optical cable route is in a jumble order in the computer lab, causes the optical cable wasting of resources, has influenced the line management in the computer lab greatly. In recent years, the country has put forward a demand for a clean routing condition for all wiring houses, and the rectification and modification of the conventional wiring houses become more urgent.
During the trimming and transformation of the wiring room, firstly, the problems to be solved are to find the optical cable port and clarify the routing condition, most of the wiring rooms still adopt a manual pulling mode to carry out the troubleshooting and the arrangement on the optical fiber line at present, and the labor cost is high; there are also some new fiber-finding devices, which, although solving the problems of high labor costs and long maintenance times, mostly require service interruption. Therefore, a method for efficiently finding an optical fiber route without interrupting the service is urgently needed.
In the prior art, a research for finding a corresponding optical fiber port pairing by generating and receiving a sound source through equipment also exists, for example, patent application document CN108490565A discloses an optical cable identification device and method based on sound wave frequency, but it is only simple to say that the sound wave excitation frequency is adjustable, and in reality, the sound wave only causes resonance of the optical cable at the characteristic frequency of the optical cable, generates a larger sound wave amplitude and transmits a longer distance, and if the sound wave is only adjustable, the sound wave cannot be normally transmitted to the other side of the optical cable at most frequencies, and the method cannot be effective; it is also not feasible that the acoustic generator sends sound waves of different frequencies and the acoustic identification terminal identifies by identifying the different acoustic frequencies because the sound waves are difficult to transmit to the other side of the cable when applying non-characteristic frequencies. The optical cable is bent due to vibration of the optical cable caused by transmission of sound waves in the optical cable medium, so that transmission of optical signals in the optical cable is influenced, bending loss of the optical cable is generated, and the optical signals are interrupted in the detection process and cannot be normally transmitted.
Disclosure of Invention
In order to solve the technical problem, the invention provides an optical cable route searching method based on sound wave transmission, which can realize the purpose of searching an optical cable route by generating sound wave excitation, transmitting sound waves in an optical cable through a sound wave generating device and receiving the sound waves through a sound wave receiving device capable of storing information without interrupting communication service.
The optical cable route searching method based on sound wave transmission comprises the steps that a sound wave generating device is installed at one port of one optical cable on one side of a first distribution frame connected with one end of a plurality of optical cables to be detected, sound wave excitation is applied to the port of one optical cable to generate vibration, and the frequency of the sound wave is controlled to be the characteristic frequency of the current optical cable; and when the sound wave receiving device detects the sound wave with the same frequency as the sound wave generating device, the sound wave receiving device is used for storing port information in pairs.
Further, sound wave generating device includes sound wave sound generating equipment and connects the protection device at sound wave sound generating equipment rear end, and sound wave sound generating equipment's inner wall is hugged closely on the surface of being detected the optical cable, protection device encircles be detected the optical cable the outside and not with be detected optical cable surface contact, protection device's internal diameter equals the critical radius of bending that is detected the optical cable.
Further, the sound wave generating device is a point sound source sound wave generating device, a linear sound source sound wave generating device, a planar sound source sound wave generating device or a sound wave generating device based on an interdigital transducer.
Furthermore, the point sound source sound wave generating device comprises a shell, a point sound wave generator, a frequency controller, a power switch and a transmitter, wherein the point sound wave generator, the frequency controller, the power switch and the transmitter are positioned in the shell; the frequency controller is used for controlling the sound wave frequency emitted by the point-like sound wave generator; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
Further, the linear sound source sound wave generating device comprises a shell, and a linear sound wave generator, a frequency controller, a power switch and a transmitter which are positioned in the shell, wherein the power switch is respectively connected with the linear sound wave generator, the frequency controller and the transmitter, and the linear sound wave generator is made of a linear piezoelectric crystal or a piezoelectric film; the frequency controller is used for controlling the linear sound wave generator to emit sound wave frequency; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
Further, the planar sound source sound wave generating device comprises a shell, a planar sound wave generator, a frequency controller, a power switch and a transmitter, wherein the planar sound wave generator, the frequency controller, the power switch and the transmitter are positioned in the shell; the frequency controller is used for controlling the planar sound wave generator to emit sound wave frequency; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
Furthermore, the sound wave sounding device based on the interdigital transducer comprises a shell, the interdigital transducer, a power switch and a transmitter, wherein the interdigital transducer, the power switch and the transmitter are positioned in the shell; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
Furthermore, the protection device comprises a shell, a piezoelectric film sensor and an indicator light, wherein a circle of the piezoelectric film sensor is distributed on the inner side of the shell, and the indicator light is connected with the piezoelectric film sensor.
Furthermore, the sound wave receiving device is based on an interdigital transducer and comprises an indicator light, a shell, the interdigital transducer, a frequency discriminator and a memory, wherein the interdigital transducer, the frequency discriminator and the memory are positioned in the shell; the indicating lamp is connected with the interdigital transducer, the interdigital transducer receives sound waves and converts sound wave signals into electric signals, and whether the sound waves reach the indicating lamp or not is judged by judging whether the indicating lamp is switched on or not; the frequency discriminator is used for identifying the frequency of the received sound wave, and if the receiving frequency is the same as the sending frequency, the two ports are in one-to-one correspondence; the memory is used for storing a pair of port information of two corresponding ports on two distributing frames.
The invention has the beneficial effects that: according to the actual situation of the space of the distribution room and the state of the optical cable, an applicable generator device can be selected, and the acoustic transmission requirements of various optical cables under multiple situations can be met; the optical cable is bent due to vibration of the optical cable caused by transmission of sound waves in an optical cable medium, optical signals cannot be normally transmitted due to excessive bending loss of the optical cable caused by excessive bending degree of the optical cable, and the optical cable is required to be bent and controlled within a bending critical radius in normal optical signal transmission; the receiving end is provided with a frequency discriminator, the pairing is judged to be successful only when the receiving frequency and the sending frequency are the same as the characteristic frequency of the current optical cable, the receiving end is provided with a memory, the head and tail port information is input and stored into the memory, and then the problem at one end of the optical cable can be quickly searched according to the stored information.
Drawings
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
FIG. 1 is a schematic diagram of the process of the present invention;
FIG. 2 is a schematic sectional view of the acoustic wave generator according to the present invention;
FIG. 3 is a schematic structural diagram of an acoustic wave receiving apparatus according to the present invention in a use state;
FIG. 4 is a schematic structural diagram of a sound wave generating device of a point-like sound source sound generator according to the present invention;
FIG. 5 is a schematic structural diagram of a sound generating device of a linear sound source sound generator according to the present invention;
FIG. 6 is a schematic structural diagram of a sound wave generating apparatus of a planar sound source sound wave generator according to the present invention;
FIG. 7 is a schematic diagram of an interdigital transducer in accordance with the present invention;
FIG. 8 is a schematic structural diagram of an acoustic source sound generating apparatus based on interdigital transducers;
FIG. 9 is a schematic view of the deployment of the protective device of the present invention;
fig. 10 is a schematic structural diagram of an acoustic wave receiving device according to the present invention.
The sound wave receiving device comprises an optical cable 1, a sound wave sounding device 2, a protection device 3, a piezoelectric film sensor 31, an indicator lamp 32, a rigid material 4 and a sound wave receiving device 5.
Detailed Description
As shown in fig. 1, one end of a plurality of optical cables 1 is connected to a certain port of a first distribution frame, and the other end is connected to a certain port of a second distribution frame; when the optical cable 1 needs to be sorted and the other port of the optical cable 1 needs to be found, an acoustic wave generating device is installed at the port of one optical cable 1 to be detected on one side of the first distribution frame, and acoustic wave excitation is applied through the acoustic wave generating device, so that the acoustic wave frequency is the characteristic frequency of the current optical cable; according to the transmission principle of sound waves in a solid, the sound waves are transmitted to the other side of the optical cable in the optical cable medium to generate vibration; sequentially mounting an acoustic wave receiving device 5 on the optical cables in sequence on one side of a second distribution frame connected with the other ends of a plurality of optical cables to be detected to try to receive acoustic waves, and storing port information in pairs by using the acoustic wave receiving device 5 when the acoustic wave receiving device 5 detects acoustic waves with the same frequency as the acoustic wave generating device; the next cable is then inspected.
The sound wave generating device consists of a sound wave sounding device 2 and a protection device 3, wherein the sound wave sounding device 2 comprises a point sound source sound wave sounding device, a linear sound source sound wave sounding device, a planar sound source sound wave sounding device or a sound source sound wave sounding device based on an interdigital transducer; the optical cable is bent due to vibration of the optical cable caused by the transmission of sound waves in the optical cable medium, the transmission of optical signals in the optical cable is influenced, the bending loss of the optical cable is generated, the bending loss is controlled to be within 1db/km as much as possible, and the transmission of light waves in the optical cable is influenced. In order to ensure the normal transmission of optical signals in the detection process, the curvature of the optical cable needs to be controlled, the curvature is difficult to regulate and control, the curvature is directly converted into the amplitude of the optical cable to be controlled, and the amplitude of sound waves reaches the maximum at the excitation position, so that a protection device is directly connected behind the sound wave generating equipment.
As shown in fig. 2, the sound wave generating device 2 is connected with the protecting device 3 by using a hard rigid material 4, so as to ensure the stability of the protecting device 3. The sound wave generating device 2 is sleeved outside the optical cable 1, the inner wall of the sound wave generating device 2 is tightly attached to the surface of the optical cable 1, the protection device 3 surrounds the periphery of the optical cable 1, and a certain distance is kept between the inner wall of the protection device and the optical cable 1; the inner diameter of the protection device 3 is determined by the critical radius of bending loss of different optical cables. As shown in fig. 9, the protection device 3 includes a housing, a circle of piezoelectric film sensor 31 and an early warning indicator lamp 32 are distributed on the inner side of the housing, when the optical cable cannot normally transmit optical signals due to too large amplitude of the optical cable, the optical cable may touch the piezoelectric film sensor 31 on the inner side of the protection device, and the piezoelectric film sensor receives the piezoelectric signals to turn on the early warning indicator lamp 32; when the indicator light is on, the sound wave sounding device needs to be immediately turned off; and if the indicator light is not lightened, continuing to detect.
The application mode of sound wave excitation can select point sound source sound wave sounding equipment, linear sound source sound wave sounding equipment, planar sound source sound wave sounding equipment or sound wave sounding equipment based on an interdigital transducer according to the state of an optical cable and the actual situation of the space of a wiring room; if the optical cable is an optical cable with the inner length of 25M or more and short, point-shaped sound source sound wave sounding equipment is used; if the optical cable is an optical cable with a moderate length of about 25-70M, linear sound source sound wave generating equipment can be used; if the optical cable is an optical cable with a length of more than 70M and a long length, a planar sound source sound wave generating device or an interdigital transducer sound source sound wave generating device can be used; not every optical cable all is that the generating device contact surface is bigger better, also must consider the bearing capacity of optical cable itself, and the light signal transmission of its own may be influenced or directly lead to the optical cable to damage to the sound generating equipment that the contact surface is great to shorter optical cable use. In some wiring houses, optical cables are quite disordered, the space available for measurement of each optical cable may be insufficient, so that a planar sound wave generating device or an interdigital transducer cannot be used, and at the moment, a linear or point sound source sound wave generating device with small space requirement needs to be selected. The applied frequency of the acoustic wave excitation is the characteristic frequency of the optical cable, and the applied frequency is adjustable. The characteristic frequency of the optical cable is deviated due to different characteristic frequencies and different natural states of different optical cables, and the applied sound wave frequency needs to be adjusted; the sound wave generating device of the point sound source, the sound wave generating device of the linear sound source and the sound wave generating device of the surface sound source control the applied frequency through a frequency controller in the device, and the sound wave generating device of the interdigital transducer achieves the purpose of controlling the sound wave frequency by changing the interdigital density.
The sound generating device of the point-shaped sound source comprises a shell, a point-shaped sound generator, a frequency controller, a power switch and a transmitter, wherein the point-shaped sound generator, the frequency controller, the power switch and the transmitter are positioned in the shell; the frequency controller is used for controlling the sound wave frequency emitted by the point-like sound wave generator; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
As shown in fig. 5, the linear sound source sound wave generating device includes a housing, and a linear sound generator, a frequency controller, a power switch and a transmitter located inside the housing, wherein the power switch is respectively connected to the linear sound generator, the frequency controller and the transmitter, and the linear sound generator is made of a linear piezoelectric crystal or a piezoelectric film; the frequency controller is used for controlling the linear sound wave generator to emit sound wave frequency; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
As shown in fig. 6, the planar sound source sound generating device includes a housing, a planar sound generator, a frequency controller, a power switch and a transmitter, wherein the planar sound generator, the frequency controller, the power switch and the transmitter are located inside the housing, the power switch is respectively connected with the planar sound generator, the frequency controller and the transmitter, and the planar sound generator is made of a planar piezoelectric crystal or a piezoelectric film; the frequency controller is used for controlling the planar sound wave generator to emit sound wave frequency; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
As shown in fig. 7 and 8, the sound source sound wave generating device based on the interdigital transducer comprises a housing, and the interdigital transducer, a power switch and a transmitter which are positioned in the housing, wherein the power switch is respectively connected with the interdigital transducer and the transmitter, and the interdigital transducer generates sound waves and adjusts the frequency of the sound waves by changing the interdigital density; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
The sound wave receiving device comprises an indicator light, a shell, an interdigital transducer, a frequency discriminator and a memory, wherein the interdigital transducer, the frequency discriminator and the memory are positioned in the shell, and the indicator light is connected with the interdigital transducer; the interdigital transducer receives the sound wave signal and converts the sound wave signal into an electric signal, if an indicator lamp on the sound wave receiving device is not lightened, the port does not correspond to the port which emits the sound wave on one side of the first distribution frame, and the sound wave receiving device is continuously taken down and installed on the next optical cable at the port on one side of the second distribution frame to try to receive the sound wave until the indicator lamp is lightened. After finding out the optical cable which can enable the indicator light to be lighted, the frequency discriminator in the sound wave receiving device can identify the frequency of the sound wave received by the optical cable; if a certain port on one side of the second distribution frame receives sound waves with the same frequency as the sound waves of the generating device, the port on one side of the first distribution frame, which is excited by the sound waves, corresponds to the port on one side of the second distribution frame, which receives the sound waves; and finally, storing the port information in pairs through a memory in the sound wave receiving device.
The invention sends out sound wave excitation through different sound wave generating devices, receives sound wave information transmitted by the optical cable through the sound wave receiving device, stores paired port information, effectively reduces the cost on the basis of not interrupting the communication service, and quickly finds the optical cable route; the acoustic wave sounding devices of different types are adapted to various conditions, and the effective transmission of optical signals is ensured by the additionally arranged protection device; whether sound waves arrive or not is judged through the sound wave receiving device based on the interdigital transducers, the frequency of the received sound waves is identified, and a pair of port information of two corresponding ports on the two distribution frames is stored.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all equivalent variations made by using the contents of the present specification and the drawings are within the protection scope of the present invention.
Claims (9)
1. A method for searching an optical cable route based on sound wave transmission is characterized in that a sound wave generating device is installed at one port of a first distribution frame connected with one end of a plurality of optical cables to be detected, sound wave excitation is applied to the sound wave generating device to generate vibration, and the frequency of the sound wave is controlled to be the characteristic frequency of the current optical cable; and when the sound wave receiving device detects the sound wave with the same frequency as the sound wave generating device, the sound wave receiving device is used for storing port information in pairs.
2. The method for finding the optical cable route based on the sound wave transmission according to claim 1, wherein the sound wave generating device comprises a sound wave generating device and a protecting device connected to the rear end of the sound wave generating device, the inner wall of the sound wave generating device is tightly attached to the surface of the optical cable to be detected, the protecting device surrounds the outer side of the optical cable to be detected and is not in contact with the surface of the optical cable to be detected, and the inner diameter of the protecting device is equal to the bending critical radius of the optical cable to be detected.
3. The method for finding the optical cable route based on the sound wave transmission according to claim 1, wherein the sound wave generating device is a point sound source sound wave generating device, a linear sound source sound wave generating device, a planar sound source sound wave generating device, or an interdigital transducer based sound wave generating device.
4. The method for finding the optical cable route based on sound wave transmission according to claim 1, wherein the point-like sound source sound wave generating device comprises a housing, and a point-like sound wave generator, a frequency controller, a power switch and a transmitter which are positioned inside the housing, wherein the power switch is respectively connected with the point-like sound wave generator, the frequency controller and the transmitter, and the point-like sound wave generator is made of a point-like piezoelectric crystal or a piezoelectric film; the frequency controller is used for controlling the sound wave frequency emitted by the point-like sound wave generator; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
5. The method for finding the optical cable route based on the acoustic transmission according to claim 1, wherein the linear sound source acoustic generating device comprises a housing, and a linear sound generator, a frequency controller, a power switch and a transmitter which are arranged inside the housing, wherein the power switch is respectively connected with the linear sound generator, the frequency controller and the transmitter, and the linear sound generator is made of a linear piezoelectric crystal or a piezoelectric film; the frequency controller is used for controlling the linear sound wave generator to emit sound wave frequency; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
6. The method for finding the optical cable route based on the sound wave transmission is characterized in that the planar sound source sound wave generating device comprises a shell, and a planar sound wave generator, a frequency controller, a power switch and a transmitter which are positioned inside the shell, wherein the power switch is respectively connected with the planar sound wave generator, the frequency controller and the transmitter, and the planar sound wave generator is made of a planar piezoelectric crystal or a piezoelectric film; the frequency controller is used for controlling the planar sound wave generator to emit sound wave frequency; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
7. The method for finding the optical cable route based on the acoustic wave transmission is characterized in that the acoustic wave generating device based on the interdigital transducer comprises a shell, the interdigital transducer, a power switch and a transmitter, wherein the interdigital transducer, the power switch and the transmitter are positioned in the shell, the power switch is respectively connected with the interdigital transducer and the transmitter, the interdigital transducer generates acoustic waves, and the frequency of the acoustic waves is adjusted by changing the interdigital density; the transmitter enables the sound waves to be successfully transmitted on the optical cable.
8. The method as claimed in claim 1, wherein the protection device includes a housing, a piezoelectric film sensor and an indicator light, a ring of the piezoelectric film sensor is distributed on the inner side of the housing, and the indicator light is connected to the piezoelectric film sensor.
9. The method for finding the optical cable route based on the acoustic wave transmission is characterized in that the acoustic wave receiving device is an interdigital transducer based acoustic wave receiving device and comprises an indicator light, a shell, an interdigital transducer, a frequency discriminator and a memory, wherein the interdigital transducer, the frequency discriminator and the memory are positioned in the shell; the indicating lamp is connected with the interdigital transducer, the interdigital transducer receives sound waves and converts sound wave signals into electric signals, and whether the sound waves reach the interdigital transducer is judged by judging whether the indicating lamp is switched on; the frequency discriminator is used for identifying the frequency of the received sound wave, and if the receiving frequency is the same as the sending frequency, the two ports are in one-to-one correspondence; the memory is used for storing a pair of port information of two corresponding ports on two distributing frames.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838836B2 (en) * | 1973-07-10 | 1983-08-25 | ツエルベルス アクチエン ゲゼルシヤフト | Onpao Dendousuru Baitaino Kanshihouhououoyobi Souchi |
| US4973169A (en) * | 1987-06-24 | 1990-11-27 | Martin Marietta Corporation | Method and apparatus for securing information communicated through optical fibers |
| US5502782A (en) * | 1995-01-09 | 1996-03-26 | Optelecom, Inc. | Focused acoustic wave fiber optic reflection modulator |
| CN101001109A (en) * | 2007-01-11 | 2007-07-18 | 复旦大学 | Method for repressing affect of fibre-optical light path in fibre-optical sensing system by sonic and vibration |
| RU2011125945A (en) * | 2011-06-24 | 2012-12-27 | Общество с ограниченной ответственностью "Инновационное предприятие "НЦВО-ФОТОНИКА" (ООО ИП "НЦВО-Фотоника") | DISTRIBUTION FIBER OPTICAL SYSTEM OF VIBROACOUSTIC SIGNALS RECORDING |
| CN103033820A (en) * | 2013-01-10 | 2013-04-10 | 苏州恒知传感科技有限公司 | Optical cable identifying method and equipment |
| CN104619260A (en) * | 2012-09-28 | 2015-05-13 | 富士胶片株式会社 | Photoacoustic measurement device and probe for photoacoustic measurement device |
| CN108490565A (en) * | 2018-04-12 | 2018-09-04 | 金帆智华（北京）科技有限公司 | A kind of optical cable recognition device and method based on frequency of sound wave |
| CN110855355A (en) * | 2019-11-21 | 2020-02-28 | 南京邮电大学 | Laminated intelligent checking system and checking method for optical fiber distribution route |
| KR20210024829A (en) * | 2019-08-26 | 2021-03-08 | 주식회사 케이티 | Apparatus and method for identifying path of optical cable |
| CN112925026A (en) * | 2021-01-28 | 2021-06-08 | 电子科技大学 | Stratum structure investigation system and method combining VSP and sonic logging |
| KR20210091936A (en) * | 2020-01-15 | 2021-07-23 | 주식회사 케이티 | Method for finding optical core path using distributed acoustic sensing device |
| US20220397451A1 (en) * | 2019-10-29 | 2022-12-15 | Nec Corporation | Acoustic sensor |
-
2022
- 2022-01-24 CN CN202210080862.4A patent/CN114422025B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838836B2 (en) * | 1973-07-10 | 1983-08-25 | ツエルベルス アクチエン ゲゼルシヤフト | Onpao Dendousuru Baitaino Kanshihouhououoyobi Souchi |
| US4973169A (en) * | 1987-06-24 | 1990-11-27 | Martin Marietta Corporation | Method and apparatus for securing information communicated through optical fibers |
| US5502782A (en) * | 1995-01-09 | 1996-03-26 | Optelecom, Inc. | Focused acoustic wave fiber optic reflection modulator |
| CN101001109A (en) * | 2007-01-11 | 2007-07-18 | 复旦大学 | Method for repressing affect of fibre-optical light path in fibre-optical sensing system by sonic and vibration |
| RU2011125945A (en) * | 2011-06-24 | 2012-12-27 | Общество с ограниченной ответственностью "Инновационное предприятие "НЦВО-ФОТОНИКА" (ООО ИП "НЦВО-Фотоника") | DISTRIBUTION FIBER OPTICAL SYSTEM OF VIBROACOUSTIC SIGNALS RECORDING |
| CN104619260A (en) * | 2012-09-28 | 2015-05-13 | 富士胶片株式会社 | Photoacoustic measurement device and probe for photoacoustic measurement device |
| CN103033820A (en) * | 2013-01-10 | 2013-04-10 | 苏州恒知传感科技有限公司 | Optical cable identifying method and equipment |
| CN108490565A (en) * | 2018-04-12 | 2018-09-04 | 金帆智华（北京）科技有限公司 | A kind of optical cable recognition device and method based on frequency of sound wave |
| KR20210024829A (en) * | 2019-08-26 | 2021-03-08 | 주식회사 케이티 | Apparatus and method for identifying path of optical cable |
| US20220397451A1 (en) * | 2019-10-29 | 2022-12-15 | Nec Corporation | Acoustic sensor |
| CN110855355A (en) * | 2019-11-21 | 2020-02-28 | 南京邮电大学 | Laminated intelligent checking system and checking method for optical fiber distribution route |
| KR20210091936A (en) * | 2020-01-15 | 2021-07-23 | 주식회사 케이티 | Method for finding optical core path using distributed acoustic sensing device |
| CN112925026A (en) * | 2021-01-28 | 2021-06-08 | 电子科技大学 | Stratum structure investigation system and method combining VSP and sonic logging |
Non-Patent Citations (3)
| Title |
|---|
| 李双佶;梁景舒;王福娟;蔡志岗;: "基于Mach-Zehnder干涉仪的单模光纤声波传感器的研究", 大学物理, no. 06, 15 June 2011 (2011-06-15) * |
| 楚泽涵;徐凌堂;彭斐;: "用光纤电缆传输信号的多种频率阵列声波测井", 测井技术, no. 06 * |
| 鞠涛;唐玉春;: "一种新型的光纤光缆识别设备", 光通信技术, no. 12 * |
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