CN113114353A - Communication network fault detection system - Google Patents
Communication network fault detection system Download PDFInfo
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- CN113114353A CN113114353A CN202110411124.9A CN202110411124A CN113114353A CN 113114353 A CN113114353 A CN 113114353A CN 202110411124 A CN202110411124 A CN 202110411124A CN 113114353 A CN113114353 A CN 113114353A
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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
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
Abstract
The invention discloses a communication network fault detection system, which relates to the technical field of optical communication and comprises a signal input module, a signal processing module, a fault diagnosis module, a communication transmission module and an early warning module, wherein the signal input module is electrically connected with the signal processing module through a lead, the signal processing module is electrically connected with the fault diagnosis module through a lead, the fault diagnosis module is electrically connected with the communication transmission module through a lead, the communication transmission module is electrically connected with the early warning module through a lead, the signal input module comprises a first signal input unit, a second signal input unit and a third signal input unit, the signal processing module comprises a first signal processing unit, a second signal processing unit and a third signal processing unit, the first signal processing unit is connected with the first signal input unit, the second signal processing unit is connected with the second signal input unit, the third signal processing unit is connected with a plurality of third signal input units.
Description
Technical Field
The invention relates to the technical field of optical communication, in particular to a communication network fault detection system.
Background
At present, an optical fiber transceiver is often used in a system of an optical fiber communication network for transmission, the optical fiber transceiver has an optical fiber receiving port and an optical fiber transmitting port, and when the optical fiber communication network fails, a port switch is cut off through a main control chip, so that the work of the optical fiber communication network is stopped. However, it cannot be determined whether the substation equipment of the optical fiber communication network fails or the link of the optical fiber communication network fails, the port switch is cut off with force, and the worker still needs to go to the site to perform troubleshooting, which consumes a lot of time and seriously affects the data transmission work of the optical fiber communication network.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a communication network fault detection system.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a communication network fault detection system, its characterized in that includes signal input module, signal processing module, failure diagnosis module, communication transmission module and early warning module, signal input module pass through the wire with signal processing module electric connection, signal processing module pass through the wire with failure diagnosis module electric connection, failure diagnosis module pass through the wire with communication transmission module electric connection, just communication transmission module pass through the wire with early warning module electric connection.
The signal input module comprises a first signal input unit, a second signal input unit and a third signal input unit, the signal processing module comprises a first signal processing unit, a second signal processing unit and a third signal processing unit, the first signal processing unit is connected with the first signal input unit, the second signal processing unit is connected with the second signal input unit, and the third signal processing unit is connected with a plurality of third signal input units;
the first signal processing unit, the second signal processing unit and the third signal processing unit are respectively connected with the fault diagnosis module, and the fault diagnosis module comprises a fault detection unit, a fault identification unit and a fault positioning unit; the fault detection unit is connected with the fault identification unit, arranged at a port of the optical fiber communication network and used for detecting whether the optical fiber communication network has a fault or not;
the fault identification unit is used for distinguishing fault types of the optical fiber communication network and is connected with the fault positioning unit, and the fault types comprise link faults; and the fault positioning unit is used for determining the position of the fault area.
Preferably, the fault detection unit includes a plurality of distributed probes disposed in a link of the first signal processing unit, the second signal processing unit, and the third signal processing unit.
Preferably, the fault identification unit comprises a collection unit, a comparison unit and a storage unit, the collection unit is used for collecting flow information collected by the distributed probes and transmitting the flow information to the comparison unit, and the comparison unit is used for comparing the flow information collected by the distributed probes with fault information searched in the storage unit and identifying the fault type detected by the distributed probes.
Preferably, the fault location unit includes a distributed optical fiber sensor, the distributed optical fiber sensor is configured to collect fault operation information of the communication line and the fault location information corresponding to the fault operation information, and the distributed optical fiber sensor is disposed on the communication lines of the first signal processing unit, the second signal processing unit, and the third signal processing unit.
The invention has the beneficial effects that:
1. the invention can connect a plurality of input signal sources in a multi-thread way by arranging a plurality of signal input and signal processing units, thereby expanding the application range.
2. According to the invention, through arranging the fault detection unit, when a communication fault occurs in the link in the signal transmission process, the fault, the type of the fault and the position of the fault can be found in time, so that the labor is saved, and the fault detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a communication network fault detection system includes a signal input module, a signal processing module, a fault diagnosis module, a communication transmission module and an early warning module, where the signal input module is electrically connected to the signal processing module through a wire, the signal processing module is electrically connected to the fault diagnosis module through a wire, the fault diagnosis module is electrically connected to the communication transmission module through a wire, and the communication transmission module is electrically connected to the early warning module through a wire.
The signal input module comprises a first signal input unit, a second signal input unit and a third signal input unit, the signal processing module comprises a first signal processing unit, a second signal processing unit and a third signal processing unit, the first signal processing unit is connected with the first signal input unit, the second signal processing unit is connected with the second signal input unit, and the third signal processing unit is connected with a plurality of third signal input units;
in this embodiment, the first signal input unit is used for inputting audio signals, second signal input video signals, and the third input unit is used for inputting other signals, or is used as a spare signal input, and when the first signal input unit and/or the second signal input unit are failed, the third input unit is used as a temporary spare input to deal with emergency situations.
The first signal processing unit, the second signal processing unit and the third signal processing unit are respectively connected with the fault diagnosis module, and the fault diagnosis module comprises a fault detection unit, a fault identification unit and a fault positioning unit; the fault detection unit is connected with the fault identification unit, arranged at a port of the optical fiber communication network and used for detecting whether the optical fiber communication network has a fault or not;
the fault identification unit is used for distinguishing fault types of the optical fiber communication network and is connected with the fault positioning unit, and the fault types comprise link faults; and the fault positioning unit is used for determining the position of the fault area.
It should be noted that the fault detection unit includes a plurality of distributed probes, and the plurality of distributed probes are disposed in a link of the first signal processing unit, the second signal processing unit, and the third signal processing unit.
It should be noted that the fault identification unit includes a collection unit, a comparison unit and a storage unit, the collection unit is used for collecting the flow information collected by the distributed probes and transmitting the flow information to the comparison unit, and the comparison unit is used for comparing the flow information collected by the distributed probes with the fault information found in the storage unit, and identifying the fault type detected by the distributed probes.
It should be noted that the fault location unit includes a distributed optical fiber sensor, the distributed optical fiber sensor is a sensor that measures or monitors information distributed spatially and temporally along an optical fiber transmission path by using a unique distributed optical fiber detection technology, and the distributed optical fiber sensing system is based on the principle that an optical fiber is simultaneously used as a sensing sensitive element and a transmission signal medium, and the changes of temperature and strain at different positions along the optical fiber are detected by using advanced otdr technology and ofdr technology, so as to achieve true distributed measurement.
Firstly, a sensing element in the distributed optical fiber sensing system is only an optical fiber;
secondly, a measured one-dimensional distribution diagram in the whole optical fiber area can be obtained through one-time measurement, and the measured two-dimensional and three-dimensional distribution conditions can be measured by erecting the optical fiber into a grating shape;
the spatial resolution of the otdr system is generally in the magnitude of meters, and the spatial resolution of the ofdr technology can reach the magnitude of millimeters;
the measurement precision and the spatial resolution of the system generally have a mutual restriction relationship;
the detection signal is weak, so the signal processing system is required to have higher signal-to-noise ratio
The distributed optical fiber sensor is used for acquiring fault operation information of the communication line and fault positioning information corresponding to the fault operation information, and the distributed optical fiber sensor is arranged on communication lines of the first signal processing unit, the second signal processing unit and the third signal processing unit.
It should be noted that the first signal processing unit, the second signal processing unit, and the third signal processing unit all include a low-noise amplification circuit, a first filter circuit, a demodulation circuit, a phase shift circuit, a signal conversion circuit, and a microprocessor; wherein:
the low-noise amplifying circuit is used for amplifying a modulation signal which is input from the signal input interface and carries an audio signal;
the first filter circuit is used for filtering the amplified modulation signal and filtering noise signals except the central frequency;
the demodulation circuit is used for amplifying the modulated signal after filtering processing and outputting the amplified modulated signal to the phase shift circuit;
the phase shift circuit is used for performing 90-degree phase shift on the modulation signal subjected to internal intermediate frequency amplification;
the demodulation circuit is used for demodulating the modulation signal after the phase shift processing to obtain an analog audio signal, and outputting the analog audio signal after the amplification processing.
In addition, the communication transmission module comprises wireless transmission and wired transmission, wherein the wireless transmission is also connected with a communication encryption and decryption unit which is used for encrypting or decrypting the data subjected to the protocol conversion by the network interface device; a memory chip is arranged in the communication transmission module and used for storing a routing table of the wireless transmission communication equipment in the wireless communication network; the first wireless communication chip is used for receiving data sent by other wireless transmission communication equipment through an antenna feeder; and the second wireless communication chip is used for sending the data processed by the communication encryption and decryption device to other wireless transmission communication equipment through an antenna feeder.
It should be noted that the early warning module is used for sending out alarm information, and in addition, the communication transmission module can transmit fault information to the terminal equipment and can warn the staff fast, so that the working efficiency is improved.
The distributed fibre optic sensor comprises at least one of: the device comprises an optical fiber displacement sensor, an optical fiber current sensor, an optical fiber grating sensor, an optical fiber sound sensor, an optical fiber pressure sensor, an optical fiber fluorescence temperature sensor and an optical fiber gas sensor.
The foregoing is merely a preferred embodiment of the invention, it being understood that the embodiments described are part of the invention, and not all of it. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The invention is not intended to be limited to the forms disclosed herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a communication network fault detection system, its characterized in that includes signal input module, signal processing module, failure diagnosis module, communication transmission module and early warning module, signal input module pass through the wire with signal processing module electric connection, signal processing module pass through the wire with failure diagnosis module electric connection, failure diagnosis module pass through the wire with communication transmission module electric connection, just communication transmission module pass through the wire with early warning module electric connection.
The signal input module comprises a first signal input unit, a second signal input unit and a third signal input unit, the signal processing module comprises a first signal processing unit, a second signal processing unit and a third signal processing unit, the first signal processing unit is connected with the first signal input unit, the second signal processing unit is connected with the second signal input unit, and the third signal processing unit is connected with a plurality of third signal input units;
the first signal processing unit, the second signal processing unit and the third signal processing unit are respectively connected with the fault diagnosis module, and the fault diagnosis module comprises a fault detection unit, a fault identification unit and a fault positioning unit; the fault detection unit is connected with the fault identification unit, arranged at a port of the optical fiber communication network and used for detecting whether the optical fiber communication network has a fault or not;
the fault identification unit is used for distinguishing fault types of the optical fiber communication network and is connected with the fault positioning unit, and the fault types comprise link faults; and the fault positioning unit is used for determining the position of the fault area.
2. The system of claim 1, wherein the failure detection unit comprises a plurality of distributed probes, and the plurality of distributed probes are disposed in a link of the first signal processing unit, the second signal processing unit and the third signal processing unit.
3. The system according to claim 2, wherein the fault recognition unit includes a collection unit, a comparison unit and a storage unit, the collection unit is configured to collect traffic information collected by the distributed probes and transmit the traffic information to the comparison unit, and the comparison unit is configured to compare the traffic information collected by the distributed probes with fault information found in the storage unit, and recognize a fault type detected by the distributed probes.
4. The system according to claim 3, wherein the fault locating unit includes a distributed optical fiber sensor, the distributed optical fiber sensor is configured to collect fault operation information of the communication line and the fault locating information corresponding to the fault operation information, and the distributed optical fiber sensor is disposed on the communication line of the first signal processing unit, the second signal processing unit, and the third signal processing unit.
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| CN202110411124.9A CN113114353A (en) | 2021-04-16 | 2021-04-16 | Communication network fault detection system |
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| CN202110411124.9A CN113114353A (en) | 2021-04-16 | 2021-04-16 | Communication network fault detection system |
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| US20180357542A1 (en) * | 2018-06-08 | 2018-12-13 | University Of Electronic Science And Technology Of China | 1D-CNN-Based Distributed Optical Fiber Sensing Signal Feature Learning and Classification Method |
| CN109443430A (en) * | 2018-10-31 | 2019-03-08 | 武汉理工大学 | Fluid pressure line real time on-line monitoring and fault diagnosis system based on optical fiber grating sensing |
| US20190128731A1 (en) * | 2017-10-26 | 2019-05-02 | Aiq Dienstleistungen Ug (Haftungsbeschränkt) | Distributed Acoustic Sensing System Using Different Coherent Interrogating Light Patterns and Corresponding Sensing Method |
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2021
- 2021-04-16 CN CN202110411124.9A patent/CN113114353A/en active Pending
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| CN101294856A (en) * | 2008-05-16 | 2008-10-29 | 南京工业职业技术学院 | Transformer device on-line multi-parameter monitoring device based on optical fiber sensor technology |
| US20190128731A1 (en) * | 2017-10-26 | 2019-05-02 | Aiq Dienstleistungen Ug (Haftungsbeschränkt) | Distributed Acoustic Sensing System Using Different Coherent Interrogating Light Patterns and Corresponding Sensing Method |
| US20180357542A1 (en) * | 2018-06-08 | 2018-12-13 | University Of Electronic Science And Technology Of China | 1D-CNN-Based Distributed Optical Fiber Sensing Signal Feature Learning and Classification Method |
| CN109443430A (en) * | 2018-10-31 | 2019-03-08 | 武汉理工大学 | Fluid pressure line real time on-line monitoring and fault diagnosis system based on optical fiber grating sensing |
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Application publication date: 20210713 |