CN117459144B - Four-core optical fiber remote assembly and intelligent monitoring thereof - Google Patents
Four-core optical fiber remote assembly and intelligent monitoring thereof Download PDFInfo
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- CN117459144B CN117459144B CN202311485383.1A CN202311485383A CN117459144B CN 117459144 B CN117459144 B CN 117459144B CN 202311485383 A CN202311485383 A CN 202311485383A CN 117459144 B CN117459144 B CN 117459144B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 69
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 97
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 16
- 239000010935 stainless steel Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000000919 ceramic Substances 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 8
- 238000013007 heat curing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000012806 monitoring device Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- H04B10/27—Arrangements for networking
-
- 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
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- Computer Networks & Wireless Communication (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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- Optical Communication System (AREA)
Abstract
The invention relates to the technical field of optical cables, and discloses a four-core optical fiber remote assembly and intelligent monitoring thereof, wherein the four-core optical fiber remote assembly comprises an optical cable, a first branching device, a second branching device, a stainless steel hose, a DLC/UPC connector, an FC/UPC connector and an optical fiber detection system, the first branching device is fixedly arranged at one end of the optical cable, optical fibers in the optical cable are inserted into the first branching device, the second branching device is fixedly arranged at the other end of the optical cable, and the optical fibers in the optical cable are inserted into the second branching device; after the four-core remote assembly is installed in a communication system line, four optical fibers in the four-core remote assembly are used for up-and-down transmission of channel information on one hand, and in addition, on key nodes and leading-out optical fiber connector monitoring equipment, a plurality of monitoring equipment are distributed on key nodes of an optical fiber network by adopting a distributed structure, so that comprehensive monitoring and management of the whole optical fiber network are realized. Meanwhile, the state and the performance of the optical fiber network can be known in real time, so that the problems can be found out in time, the potential problems can be repaired, and the stable operation of the network is ensured.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a four-core optical fiber remote assembly and intelligent monitoring thereof.
Background
Metropolitan area networks (Metropolitan Area Network) are computer communication networks, abbreviated as MANs, established within a metropolitan area. Belongs to a broadband local area network. Because of the local area network technology with active exchange element, the transmission delay in the network is small, the transmission medium mainly adopts optical cable, and the transmission rate is more than 100 Mbit/s.
An important use of MAN is as backbone network, by which hosts, databases, LANs, etc. located at different sites in the same city are interconnected, and the gradually perfected urban broadband metropolitan area network in our country has brought many convenience to our lives, high-speed internet surfing, video on demand, video calls, web tv, distance education, teleconferencing, etc. these various internet applications we are using, and behind this it is the metropolitan area network that plays a great role.
However, the maintenance cost of the optical fiber is high, because most of the optical fiber is made of glass fiber, and the optical fiber breaks under the outdoor severe working environment for a long time, so that special personnel are required to carry special equipment for welding, and the optical fiber cannot be completed by ordinary people. And the place of breakpoint is difficult to track, can't monitor in real time, and the problem of difficult accurate capture breakpoint has caused certain difficulty to the maintenance of later stage. Especially for long haul trunk cable, highway and railway communications. Because the optical cable distance is often longer, the cost of adopting traditional manual maintenance will greatly increased, and the ageing of fault handling also is difficult to obtain guaranteeing.
Disclosure of Invention
The invention aims to provide a four-core optical fiber remote assembly and intelligent monitoring thereof so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The four-core optical fiber remote assembly and the intelligent monitoring thereof comprise an optical cable, a first branching device, a second branching device, a stainless steel hose, a DLC/UPC connector, an FC/UPC connector and an optical fiber detection system, wherein the first branching device is fixedly arranged at one end of the optical cable, optical fibers in the optical cable are inserted into the first branching device, the second branching device is fixedly arranged at the other end of the optical cable, optical fibers in the optical cable are inserted into the second branching device, the DLC/UPC connector is fixedly arranged at one end of the optical fiber at one end of the first branching device, and a plurality of FC/UPC connectors are fixedly arranged at one end of the optical fiber at the second branching device;
The optical fiber detection system comprises an Optical Time Domain Reflectometer (OTDR) module, a program-controlled optical switch module, an optical power detection module, a WDM, a filter and a stable light source.
Optionally, stainless steel hoses are fixedly installed at one ends of the first branching device and the second branching device, two stainless steel hoses are arranged, and the two stainless steel hoses are fixedly connected with the two DLC/UPC connectors.
Optionally, four FC/UPC connectors are provided, and the output ends of the four FC/UPC connectors are each fixedly provided with a second ferrule.
Optionally, the second ferrule is fixedly connected to the FC/UPC connector using a thermal curing process.
Optionally, two first ceramic ferrules are fixedly installed at one end of the DLC/UPC connector, and the two first ceramic ferrules are fixedly connected with the DLC/UPC connector by heat curing treatment.
Optionally, the 1-division-2 optical splitters are provided with four, and the output ends of the four 1-division-2 optical splitters are connected with the optical fiber detection system and the communication equipment in a one-to-two mode.
Optionally, the optical time domain reflectometer OTDR module, the program-controlled optical switch module, the optical power detection module, the WDM, the filter and the stable light source are all connected with the plurality of 1-to-2 optical splitters, and the optical time domain reflectometer OTDR module, the program-controlled optical switch module, the optical power detection module, the WDM, the filter and the stable light source are all connected with the monitoring device.
Optionally, the stable light source is configured to emit an optical signal, and the filter is configured to filter out a wavelength signal of a band.
Optionally, the optical time domain reflectometer OTDR module is used for verifying impedance and signal path quality of the element, the interconnection and the transmission line, and the program-controlled optical switch module is used for controlling optical switch according to a set program.
Optionally, the WDM is configured to combine two or more optical carrier signals of different wavelengths at the transmitting end via a multiplexer.
The invention has at least the following beneficial effects:
According to the scheme, after the four-core remote assembly is installed in a communication system line, four optical fibers are used for up-and-down transmission of channel information, and in addition, on key nodes and leading-out optical fiber connector monitoring equipment, a plurality of monitoring equipment are distributed on the key nodes of an optical fiber network by adopting a distributed structure, so that comprehensive monitoring and management of the whole optical fiber network are realized. And the monitoring devices can transmit and communicate data through a network, so that a centralized management system is formed. The state and the performance of the optical fiber network can be known in real time through monitoring the optical fiber scheme, so that the problems can be found out in time, the potential problems can be repaired, the network operation stability is ensured, meanwhile, the network performance can be optimized, and the transmission efficiency and the reliability are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art
FIG. 1 is a schematic diagram of a four-core fiber optic zoom-out assembly according to the present invention;
FIG. 2 is a block diagram of the intelligent monitoring system of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. An optical cable; 2. a first branching unit; 3. a second branch; 4. a stainless steel hose; 5. DLC/UPC connectors; 6. a first ceramic ferrule; 7. FC/UPC connectors; 8. a second ceramic ferrule; 9. an optical fiber detection system; 10. a communication device; 11. monitoring equipment.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the invention provides a four-core optical fiber remote assembly and intelligent monitoring thereof, which comprises an optical cable 1, a first branching device 2, a second branching device 3, a stainless steel hose 4, a DLC/UPC connector 5, an FC/UPC connector 7 and an optical fiber detection system 9, wherein the first branching device 2 is fixedly arranged at one end of the optical cable 1, optical fibers in the optical cable 1 are inserted into the first branching device 2, the second branching device 3 is fixedly arranged at the other end of the optical cable 1, optical fibers in the optical cable 1 are inserted into the second branching device 3, the DLC/UPC connector 5 is fixedly arranged on the optical fibers at one end of the first branching device 2, and a plurality of FC/UPC connectors 7 are fixedly arranged on the optical fibers at one end of the second branching device 3;
The optical fiber detection system 9 one end is connected with monitoring facilities 11, the other end of optical fiber detection system 9 is connected with a plurality of 1 minute 2 optical splitters, a plurality of 1 minute 2 optical splitters's one end is connected with communication facilities 10, a plurality of 1 minute 2 optical splitters is connected with optical cable 1, optical fiber detection system 9 includes optical time domain reflectometer OTDR module, program controlled optical switch module, optical power detection module, WDM, wave filter and stable light source.
It should be noted that, two ends of the communication optical fiber in the optical remote cable 1 respectively penetrate into the first branching device 2 and the second branching device 3, and then respectively penetrate into a section of stainless steel hose 4, two ends are respectively matched with the DLC/UPC connector 5 and the FC/UPC connector 7, and finally penetrate into the first ceramic ferrule 6 and the second ceramic ferrule 8 to perform thermosetting treatment, and then two ends are respectively inserted into the interfaces of the corresponding communication equipment 10, wherein the joint of the first branching device 2 and the second branching device 3 can perform dispensing treatment, the optical cable 1 and the stainless steel hose 4 are fixed and the optical cable 1 is sealed, and the other section of the stainless steel hose 4 is fixed with the DLC/UPC connector 5 and the FC/UPC connector 7 in a cold compression mode, at this time, the stainless steel hose 4 plays a role of protecting the optical fiber, and has a certain bending resistance and compression resistance. After the four-core optical fiber remote assembly is installed on 5G equipment in site construction, DLC/UPC connectors 5 and FC/UPC connectors 7 at two ends are inserted into corresponding communication equipment 10, wherein detection signals divide the signals into 2 channels through a 1-to-2 optical splitter, one channel is transmitted to the communication equipment 10 for normal signal transmission, and the other channel is transmitted to an optical fiber detection system 9 for monitoring whether the signals of the optical fibers are interrupted in real time so as to facilitate timely and accurate maintenance. The early warning in advance is achieved, the alarm is given in time after the accident, the accident is prevented, and the worry that the hidden trouble is the accident is solved.
In some embodiments, referring to fig. 1, one end of each of the first branching unit 2 and the second branching unit 3 is fixedly provided with two stainless steel hoses 4, and the two stainless steel hoses 4 are fixedly connected with two DLC/UPC connectors 5; four FC/UPC connectors 7 are arranged, and the output ends of the four FC/UPC connectors 7 are fixedly provided with second ceramic ferrules 8; the second ferrule 8 is fixedly connected to the FC/UPC connector 7 by a heat curing process.
In some embodiments, referring to fig. 1, two first ferrules 6 are fixedly mounted on one end of the DLC/UPC connector 5, and the two first ferrules 6 are fixedly connected to the DLC/UPC connector 5 using a heat curing process.
In some embodiments, the 1-division-2 optical splitters are provided with four, and the output ends of the four 1-division-2 optical splitters are connected with the optical fiber detection system 9 and the communication device 10 in a one-to-two mode.
Further, referring to fig. 2, the optical time domain reflectometer OTDR module, the program-controlled optical switch module, the optical power detection module, the WDM, the filter and the stable light source are all connected with a plurality of 1-to-2 optical splitters, and the optical time domain reflectometer OTDR module, the program-controlled optical switch module, the optical power detection module, the WDM, the filter and the stable light source are all connected with the monitoring device 11; the stable light source is used for emitting light signals, and the filter is used for filtering out wavelength signals of a wave band; the OTDR module is used for verifying the impedance and signal path quality of the element, the interconnection and the transmission line, and the program-controlled optical switch module is used for controlling the switching of light according to a set program; the WDM is used to combine two or more optical carrier signals (carrying various information) of different wavelengths together at the transmitting end via a Multiplexer (also called a combiner).
Wherein WDM refers to WAVELENGTH DIVISION MULTIPLEXING, wavelength division multiplexing. It is a technology of transmitting multiple signals in the same optical fiber Q by using optical signals with different wavelengths. In short, WDM technology is to transmit multiple signals to a destination through optical signals with different wavelengths, so as to implement high-speed and large-capacity optical communication. In WDM systems, each wavelength can be considered as a separate channel and multiple optical signals of different wavelengths can be transmitted in the same fiber. WDM technology is one of the fundamental technologies widely used in modern optical communication networks, and can improve the speed, capacity and reliability of optical communications. The examples commonly used in wavelength division multiplexing are cited here to intuitively demonstrate the operation mode of WDM.
It should be noted that, the optical signal is emitted by the stable light source in the optical fiber detection system 9, then the wavelength signal (such as 1510±10 nm) of a wave band is filtered by the filter, then the obtained test optical pulse is injected onto the tested optical fiber in a wavelength division multiplexing mode, the reflected optical signal is demodulated, and the information of the length, loss, joint, fault position and the like of the optical link can be obtained by the filtering of the filter and the optical power detection module, so that the on-line optical fiber is visually monitored without affecting the data transmission.
After the initial construction is completed, all the undamaged optical cables 1 in the whole system are initially measured, the length and loss of the obtained optical cables 1 are used as a reference value, all the data are collected and managed in a centralized mode, the real-time monitoring is continuously carried out all the time later, an appropriate error range is set, and when the monitored index exceeds the range, the system can automatically alarm. Specifically, when the middle of the optical cable 1 is damaged, the sent light pulse returns to the damaged position of the optical fiber, then the optical power detection module receives the returned light signal and calculates the length or distance of fault information, at the moment, the detection system alarms and provides the result for engineering maintenance personnel, and then the engineering maintenance personnel can drive to the fault point to carry out maintenance according to the length or distance measured by the system, so that the maintenance efficiency is greatly improved, the maintenance difficulty is reduced, and the later-stage cost is greatly reduced.
In summary, after the four-core remote component is installed in a communication system line, four optical fibers inside are used for up-and-down transmission of channel information on one hand, and in addition, on key nodes and leading out optical fiber connector monitoring equipment, a distributed structure is adopted to distribute a plurality of monitoring equipment 11 on key nodes of an optical fiber network, so that overall monitoring and management of the whole optical fiber network are realized. And the monitoring devices 11 can perform data transmission and communication through a network, so as to form a centralized management system. The state and the performance of the optical fiber network can be known in real time through monitoring the optical fiber scheme, so that the problems can be found out in time, the potential problems can be repaired, the network operation stability is ensured, meanwhile, the network performance can be optimized, and the transmission efficiency and the reliability are improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The four-core optical fiber remote assembly is characterized by comprising an optical cable (1), a first branching device (2), a second branching device (3), a stainless steel hose (4), a DLC/UPC connector (5), an FC/UPC connector (7) and an optical fiber detection system (9), wherein the first branching device (2) is fixedly arranged at one end of the optical cable (1), optical fibers in the optical cable (1) are inserted into the first branching device (2), the second branching device (3) is fixedly arranged at the other end of the optical cable (1), optical fibers in the optical cable (1) are inserted into the second branching device (3), the DLC/UPC connector (5) is fixedly arranged at one end of the optical fiber of the first branching device (2), and a plurality of FC/UPC connectors (7) are fixedly arranged at one end of the optical fiber of the second branching device (3).
One end of the optical fiber detection system (9) is connected with monitoring equipment (11), the other end of the optical fiber detection system (9) is connected with a plurality of 1-minute-2 optical splitters, one end of the 1-minute-2 optical splitters is connected with communication equipment (10), the 1-minute-2 optical splitters are connected with an optical cable (1), and the optical fiber detection system (9) comprises an Optical Time Domain Reflectometer (OTDR) module, a program-controlled optical switch module, an optical power detection module, WDM, a filter and a stable light source;
One end of each of the first branching device (2) and one end of each of the second branching devices (3) are fixedly provided with stainless steel hoses (4), two stainless steel hoses (4) are fixedly connected with two DLC/UPC connectors (5);
Four FC/UPC connectors (7) are arranged, and second ceramic ferrules (8) are fixedly arranged at the output ends of the four FC/UPC connectors (7);
The number of the 1-minute 2 optical splitters is four, and the output ends of the four 1-minute 2 optical splitters are connected with the optical fiber detection system (9) and the communication equipment (10) in a one-to-two mode;
Based on intelligent control of four core fiber remote components, optical time domain reflectometer OTDR module, program controlled optical switch module, optical power detection module, WDM, wave filter and stable light source all are connected with a plurality of 1 minute 2 optical splitters, just optical time domain reflectometer OTDR module, program controlled optical switch module, optical power detection module, WDM, wave filter and stable light source all are connected with monitoring facilities (11).
2. The four-core fiber optic pulling assembly of claim 1, wherein: the second ceramic ferrule (8) is fixedly connected with the FC/UPC connector (7) by adopting heat curing treatment.
3. The four-core fiber optic pulling assembly of claim 1, wherein: two first ceramic inserting cores (6) are fixedly arranged at one end of the DLC/UPC connector (5), and the two first ceramic inserting cores (6) are fixedly connected with the DLC/UPC connector (5) through heat curing treatment.
4. The four-core fiber optic pulling assembly of claim 1, wherein: the stable light source is used for emitting light signals, and the filter is used for filtering out wavelength signals of a wave band.
5. The four-core fiber optic pulling assembly of claim 1, wherein: the OTDR module is used for verifying the impedance and signal path quality of the element, the interconnection and the transmission line, and the program-controlled optical switch module is used for controlling the switching of light according to a set program.
6. The four-core fiber optic pulling assembly of claim 1, wherein: the WDM is used for converging two or more optical carrier signals with different wavelengths at a transmitting end through a multiplexer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311485383.1A CN117459144B (en) | 2023-11-09 | 2023-11-09 | Four-core optical fiber remote assembly and intelligent monitoring thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311485383.1A CN117459144B (en) | 2023-11-09 | 2023-11-09 | Four-core optical fiber remote assembly and intelligent monitoring thereof |
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| CN117459144A CN117459144A (en) | 2024-01-26 |
| CN117459144B true CN117459144B (en) | 2024-04-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1794697A (en) * | 2005-12-23 | 2006-06-28 | 润欣通信技术(上海)有限公司 | Method of group transmission Ethernet passive light notwork upgoing chain circuit data |
| CN102684779A (en) * | 2011-03-11 | 2012-09-19 | 中国电信股份有限公司 | Centralized measurement device, failure monitoring method and system |
| CN103438995A (en) * | 2013-08-13 | 2013-12-11 | 中国电子科技集团公司第二十三研究所 | Multi-channel optical power automatic monitor and testing method thereof |
| CN215116901U (en) * | 2020-12-31 | 2021-12-10 | 江苏俊知传感技术有限公司 | Four-core multi-branch length optical fiber cable assembly |
-
2023
- 2023-11-09 CN CN202311485383.1A patent/CN117459144B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1794697A (en) * | 2005-12-23 | 2006-06-28 | 润欣通信技术(上海)有限公司 | Method of group transmission Ethernet passive light notwork upgoing chain circuit data |
| CN102684779A (en) * | 2011-03-11 | 2012-09-19 | 中国电信股份有限公司 | Centralized measurement device, failure monitoring method and system |
| CN103438995A (en) * | 2013-08-13 | 2013-12-11 | 中国电子科技集团公司第二十三研究所 | Multi-channel optical power automatic monitor and testing method thereof |
| CN215116901U (en) * | 2020-12-31 | 2021-12-10 | 江苏俊知传感技术有限公司 | Four-core multi-branch length optical fiber cable assembly |
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