CN114759978A - Optical cable maintenance method, device and system - Google Patents
Optical cable maintenance method, device and system Download PDFInfo
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- CN114759978A CN114759978A CN202210415244.0A CN202210415244A CN114759978A CN 114759978 A CN114759978 A CN 114759978A CN 202210415244 A CN202210415244 A CN 202210415244A CN 114759978 A CN114759978 A CN 114759978A
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- 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
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
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- H—ELECTRICITY
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- 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]
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Abstract
The disclosure provides an optical cable maintenance method, device and system, and relates to the field of network technology and security technology. The method comprises the following steps: acquiring monitoring data of the optical cable, wherein the monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located; judging whether the optical cable has a fault risk or not according to the monitoring data of the optical cable; and under the condition that the optical cable has fault risks, early warning is carried out on the fault risks of the optical cable. By the method, the efficiency of optical cable maintenance and the operation and maintenance timeliness can be improved.
Description
Technical Field
The present disclosure relates to the field of network technologies and security technologies, and in particular, to an optical cable maintenance method, apparatus, and system.
Background
The traditional optical cable maintenance method comprises the following steps: after the fiber and cable are broken, a network manager informs a professional maintainer of driving to the relay station, the professional maintainer uses an instrument to manually test a fault point at the relay station and manually determine the actual position of the fault point, and then the vehicle is driven to the site of the fault to be repaired.
The traditional optical cable maintenance method can only carry out rush repair after the optical cable has a fault, so that the optical cable maintenance has hysteresis. In addition, the conventional optical cable maintenance method is characterized in that each link such as fault point testing and positioning is processed manually, the whole process is long in time consumption, and the operation and maintenance efficiency is low.
Disclosure of Invention
One technical problem to be solved by the present disclosure is to provide a solution to improve the efficiency of optical cable maintenance and the timeliness of operation and maintenance.
According to a first aspect of the present disclosure, there is provided an optical cable maintenance method, including: acquiring monitoring data of the optical cable, wherein the monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located; judging whether the optical cable has a fault risk or not according to the monitoring data of the optical cable; and under the condition that the optical cable has fault risks, early warning is carried out on the fault risks of the optical cable.
In some embodiments, determining whether the optical cable is at risk of failure based on the monitored data of the optical cable comprises: under the condition that the monitoring data of the optical cable comprises performance index data of the optical cable, judging whether the optical cable has a degradation risk or not according to the performance index data of the optical cable; and under the condition that the monitoring data of the optical cable comprises vibration index data of the environment where the optical cable is located, judging whether the optical cable has an external damage risk or not according to the vibration index data of the environment where the optical cable is located.
In some embodiments, the performance indicator data for the fiber optic cable includes fiber loss, and determining whether the fiber optic cable is at risk of degradation based on the performance indicator data for the fiber optic cable includes: comparing the fiber loss to a loss threshold; and determining that the optical cable has a degradation risk under the condition that the optical fiber loss is larger than a loss threshold value.
In some embodiments, the vibration index data of the environment where the optical cable is located includes a vibration waveform, and determining whether the optical cable has an external damage risk according to the vibration index data of the environment where the optical cable is located includes: comparing the vibration amplitude of the vibration waveform with a vibration threshold value; and when the vibration amplitude of the vibration waveform is larger than the vibration threshold value and the duration of the state is longer than the preset time, determining that the optical cable has an external damage risk.
In some embodiments, in the event that the optical cable is at risk of failure, the pre-warning of the risk of failure of the optical cable comprises: under the condition that the optical cable has a degradation risk or an external damage risk, synchronizing risk information to at least one of a work order system and an operation and maintenance terminal, wherein the work order system is used for distributing work orders to the operation and maintenance terminal.
In some embodiments, further comprising: and receiving optical cable fault maintenance data uploaded by the operation and maintenance terminal, and updating optical cable data stored in the network management system according to the optical cable fault maintenance data.
In some embodiments, obtaining the monitoring data for the fiber optic cable comprises: an optical cable monitoring task is issued to monitoring equipment; and receiving monitoring data of the optical cable uploaded by the monitoring equipment in response to the optical cable monitoring task.
According to a second aspect of the present disclosure, there is provided an optical cable maintenance device comprising: the system comprises an acquisition module, a monitoring module and a monitoring module, wherein the acquisition module is configured to acquire monitoring data of the optical cable, and the monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located; the judging module is configured to judge whether the optical cable has a fault risk according to the monitoring data of the optical cable; the early warning module is configured to perform early warning on the fault risk of the optical cable under the condition that the fault risk of the optical cable exists.
According to a third aspect of the present disclosure, an optical cable maintenance system is provided, which includes an optical cable maintenance apparatus configured to issue an optical cable monitoring task to a monitoring device; the monitoring equipment is configured to collect monitoring data of the optical cable according to the optical cable monitoring task and upload the monitoring data of the optical cable to the optical cable maintenance device, wherein the monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located; the optical cable maintenance device is also configured to judge whether the optical cable has fault risks according to the monitoring data of the optical cable; and under the condition that the optical cable has fault risks, early warning is carried out on the fault risks of the optical cable.
In some embodiments, further comprising: the optical switch is respectively connected with the monitoring equipment and the optical cables; and the optical cable maintenance device is also configured to issue a polling instruction to the optical switch so as to perform polling monitoring on the plurality of optical cables.
In some embodiments, the monitoring device comprises an optical time domain reflectometry OTDR module and a phase sensitive optical time domain reflectometry Φ -OTDR module.
According to a fourth aspect of the present disclosure, there is also provided still another optical cable maintenance apparatus, including: a memory; and a processor coupled to the memory, the processor configured to perform the above-described cable maintenance method based on instructions stored in the memory.
According to a fifth aspect of the present disclosure, a computer-readable storage medium is also proposed, on which computer program instructions are stored, which instructions, when executed by a processor, implement the optical cable maintenance method described above.
Compared with the prior art, in the embodiment of the disclosure, through acquiring the monitoring data of the optical cable, whether the optical cable has a fault risk is judged according to the monitoring data of the optical cable, and under the condition that the optical cable has the fault risk, the fault risk existing in the optical cable is pre-warned, so that the fault risk of the optical cable can be pre-warned timely and efficiently, and the efficiency of optical cable maintenance and the timeliness of operation and maintenance are improved.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic flow chart diagram of a cable maintenance method according to some embodiments of the present disclosure.
Fig. 2 is a schematic flow chart diagram of a cable maintenance method according to further embodiments of the present disclosure.
Fig. 3 is a schematic structural view of a cable maintenance device according to some embodiments of the present disclosure.
Fig. 4 is a schematic structural view of a cable maintenance system according to some embodiments of the present disclosure.
Fig. 5 is a schematic diagram of a cable maintenance system according to further embodiments of the present disclosure.
Fig. 6 is a schematic structural view of a cable maintenance device according to some embodiments of the present disclosure.
FIG. 7 is a block diagram of a computer system according to some embodiments of the present disclosure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
For the purpose of promoting a better understanding of the objects, aspects and advantages of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic flow diagram of a cable maintenance method according to some embodiments of the present disclosure. As shown in fig. 1, the optical cable maintenance method according to the embodiment of the present disclosure includes:
Step S110: and acquiring monitoring data of the optical cable.
The monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located. Illustratively, the performance index data of the optical cable includes index data of optical fiber loss, optical fiber length, and the like. Fiber loss, refers to the attenuation of an optical fiber per unit length. Illustratively, the vibration index data of the environment in which the optical cable is located includes index data such as a vibration waveform and a vibration position.
In some embodiments, the optical cable maintenance device issues a monitoring task to the monitoring device, and receives monitoring data of the optical cable uploaded by the monitoring device in response to the monitoring task. For example, the optical cable maintenance device issues a monitoring task to the monitoring device through a network configuration (NETCONF) protocol based on XML, and the monitoring device acquires monitoring data of the optical cable after receiving the monitoring task.
In other embodiments, the optical cable maintenance device issues a polling command to the optical switch, where the optical switch is connected to the monitoring device and the cores of the optical cables, so that the optical switch switches among the cores of the connected optical cables; the optical cable maintenance device issues a monitoring task to the monitoring equipment so as to realize polling monitoring on a plurality of optical cable fiber cores under the cooperation of the optical switch. For example, the optical cable maintenance device issues a polling instruction to the optical switch through a network configuration (NETCONF) protocol based on XML, and issues a monitoring task to the monitoring device through the NETCONF protocol, so as to realize polling monitoring of the fiber cores of the plurality of optical cables. By polling and monitoring the fiber core of the optical cable, the efficiency of maintaining the optical cable can be improved.
Step S120: and judging whether the optical cable has fault risk or not according to the monitoring data of the optical cable.
In some embodiments, the monitoring data of the fiber optic cable includes performance index data of the fiber optic cable, and step S120 includes: and judging whether the optical cable has a degradation risk or not according to the performance index data of the optical cable.
For example, when the performance indicator data of the optical cable includes an optical fiber loss, the optical fiber loss is compared with a loss threshold value, and it is determined that the optical cable has a degradation risk if the optical fiber loss is greater than the loss threshold value, and it is determined that the optical cable does not have a degradation risk if the optical fiber loss is less than or equal to the loss threshold value. The loss threshold value may be determined in advance through experiments or simulation calculations.
In other embodiments, the monitoring data of the fiber optic cable includes vibration index data of an environment where the fiber optic cable is located, and step S120 includes: and judging whether the optical cable has an external damage risk or not according to the vibration index data of the environment where the optical cable is located.
For example, when the vibration index data of the environment in which the optical cable is located includes a vibration waveform, comparing the vibration amplitude of the vibration waveform with a vibration threshold value; and when the vibration amplitude of the vibration waveform is larger than the vibration threshold value and the duration of the state is longer than the preset time, determining that the optical cable has an external damage risk. The vibration threshold value and the preset time length can be determined in advance through experiments or simulation calculation and the like. For example, the preset time period is set to 10 seconds.
In still other embodiments, the monitoring data of the optical cable includes performance index data of the optical cable and vibration index data of an environment where the optical cable is located, and step S120 includes: judging whether the optical cable has a degradation risk or not according to the performance index data of the optical cable; and judging whether the optical cable has an external damage risk or not according to the vibration index data of the environment where the optical cable is located. By monitoring and analyzing the performance index of the optical cable and the environmental vibration index, the probability of optical cable interruption caused by optical cable deterioration and external breakage is effectively reduced, and the operation and maintenance effect of the optical cable is improved.
Step S130: and under the condition that the optical cable has fault risks, early warning is carried out on the fault risks of the optical cable.
In some embodiments, after the optical cable is analyzed and determined to have a fault risk, the risk point is visually displayed by calling a Geographic Information System (GIS). For example, highlight display is performed on the optical cable position with the degradation risk or the external damage risk, so that the fault risk point positioning time is reduced, and the optical cable operation and maintenance efficiency is improved.
In some embodiments, after the optical cable is analyzed and determined to have the fault risk, the optical cable is subjected to multi-stage early warning. For example, when the optical fiber loss is greater than a first loss threshold value, it is determined that the optical cable has a first-level degradation risk, and in this case, a first-level early warning is performed; and under the condition that the optical fiber loss is larger than a second loss threshold value, determining that the optical cable has a secondary degradation risk, and under the condition, performing secondary early warning, wherein the second loss threshold value is larger than the first loss threshold value. For example, the first-stage early warning is to send optical cable degradation prompt information to a terminal corresponding to an operation and maintenance person, and the second-stage early warning is to send optical cable degradation maintenance information to a work order system and a terminal corresponding to the operation and maintenance person at the same time.
In the embodiment of the disclosure, the performance monitoring and risk early warning can be automatically and efficiently carried out on the optical cable through the steps, the operation and maintenance efficiency and the operation and maintenance timeliness of the optical cable are improved, and the operation and maintenance effect of the optical cable is improved.
Fig. 2 is a schematic flow chart diagram of a cable maintenance method according to further embodiments of the present disclosure. As shown in fig. 2, the optical cable maintenance method according to the embodiment of the present disclosure includes:
step S210: and issuing an optical cable monitoring task to the monitoring equipment.
In some embodiments, the optical cable maintenance device is connected to the monitoring device and the optical switch, respectively, and the optical switch is further connected to the monitoring device and the plurality of fiber cores, respectively. The optical cable maintenance device issues a polling instruction to the optical switch so that the optical switch is switched among a plurality of optical cable fiber cores connected with the optical switch; the optical cable maintenance device issues a monitoring task to the monitoring equipment so as to realize polling monitoring on the fiber cores of the optical cables under the cooperation of the optical switch.
For example, the optical cable maintenance device issues a monitoring task to the monitoring equipment through a NETCONF protocol, at this time, in a plurality of optical cable fiber cores connected with the optical switch, the optical cable fiber cores 1 are communicated, and the monitoring equipment acquires monitoring data of the optical cable fiber cores 1; after the optical cable maintenance device issues the polling command to the optical switch, the optical switch switches the communicated optical cable fiber cores from the optical cable fiber core 1 to the optical cable fiber core 2, and the monitoring equipment acquires monitoring data of the optical cable fiber cores 2, so that polling monitoring of the optical cable fiber cores is realized. By polling and monitoring the fiber core of the optical cable, the maintenance efficiency of the optical cable can be improved.
In some embodiments, monitoring of the entire cable is accomplished by collecting monitoring data for a vacant core in the cable. The state of the whole optical cable is represented by the idle fiber core state, so that the optical cable resource can be saved, and the monitoring efficiency of the optical cable is improved.
Step S220: and receiving optical cable monitoring data acquired by monitoring equipment.
And after receiving the monitoring task, the monitoring equipment uploads the collected optical cable monitoring data to the optical cable maintenance device.
In some embodiments, the monitoring data for the fiber optic cable includes performance indicator data for the fiber optic cable and vibration indicator data for an environment in which the fiber optic cable is located. For example, the performance index data of the optical cable includes index data such as optical fiber loss and optical fiber length, and the vibration index data of the environment in which the optical cable is located includes index data such as vibration waveform and vibration position.
Step S230: and judging whether the optical cable has fault risk or not according to the optical cable monitoring data.
In some embodiments, determining whether the optical cable is at risk of degradation based on the performance indicator data for the optical cable; and judging whether the optical cable has an external damage risk according to the vibration index data of the environment where the optical cable is located.
For example, the fiber loss is compared to a loss threshold, and in the event that the fiber loss is greater than the loss threshold, it is determined that the cable is at risk of degradation, and in the event that the fiber loss is less than or equal to the loss threshold, it is determined that the cable is not at risk of degradation. The loss threshold value may be determined in advance through experiments or simulation calculations.
For example, the vibration amplitude of the vibration waveform is compared with a vibration threshold value; and when the vibration amplitude of the vibration waveform is larger than the vibration threshold value and the duration of the state is longer than the preset time, determining that the optical cable has an external damage risk. The vibration threshold value and the preset time length can be determined in advance through experiments or simulation calculation and the like. For example, the preset time period is set to 10 seconds.
In the embodiment of the disclosure, by monitoring and analyzing the performance index of the optical cable and the environmental vibration index, the probability of optical cable interruption caused by optical cable deterioration and external damage is effectively reduced, and the operation and maintenance effect of the optical cable is improved.
Step S240: and synchronizing the risk information to at least one of the work order system and the operation and maintenance terminal under the condition that the optical cable has a fault risk.
In some embodiments, the cable maintenance device automatically synchronizes risk information to the work order system when there is a risk of degradation or outcrop of the cable. And then, the work order system sends the work order to the terminal (namely, the operation and maintenance terminal) corresponding to the operation and maintenance personnel. And after receiving the work order, the operation and maintenance personnel go to a fault risk point for inspection and maintenance. Illustratively, the risk information includes information of an abnormal vibration position, a vibration generation time, a fiber loss, an abnormal loss position, and the like.
In this disclosed embodiment, through automatic with risk information synchronization to work order system, compare the artifical mode of dispatching the work order, can practice thrift the time of dispatching the work order, further improve optical cable maintenance efficiency.
In other embodiments, when the optical cable has a degradation risk or an external damage risk, the optical cable maintenance device automatically synchronizes the risk information to the operation and maintenance terminal in addition to automatically synchronizing the risk information to the work order system. For example, the optical cable maintenance device synchronizes the risk information to the operation and maintenance terminal through short messages, mails and other modes. And after receiving the risk information, the operation and maintenance personnel go to a risk point for inspection and maintenance. If the optical cable has abnormal loss conditions such as bending and interruption or abnormal vibration conditions caused by construction and excavation, the optical cable is protected or salvageed in time.
In the embodiment of the disclosure, the risk information is automatically synchronized to the operation and maintenance terminal, so that the operation and maintenance personnel can know the risk information before receiving the work order, and can go to the fault risk point in time for inspection and maintenance, thereby further improving the timeliness of optical cable maintenance.
Step S250: and receiving optical cable fault maintenance data uploaded by the operation and maintenance terminal, and updating the optical cable data stored in the network management system according to the optical cable fault maintenance data.
In some embodiments, after the operation and maintenance personnel complete the optical cable fault maintenance, the operation and maintenance terminal uploads the optical cable fault maintenance data. Illustratively, the cable maintenance data includes repair point length information, geographical location information of the repair point, and environmental information.
And after receiving the optical cable fault maintenance data, the optical cable maintenance device uploads the optical cable fault maintenance data to the network management system so as to update the optical cable data. By updating the optical cable data stored in the network management system according to the optical cable fault maintenance data, the risk points can be accurately positioned by using the updated optical cable data when the optical cable has the next fault risk.
In the embodiment of the disclosure, the optical cable can be automatically subjected to real-time performance monitoring, degradation and external damage early warning through the steps, the performance of the optical fiber cable does not need to be manually measured by an OTDR instrument, the risk of optical cable degradation is reduced, the condition that the external damage causes optical cable interruption after service exception can be avoided, and the operation and maintenance efficiency of the optical fiber cable and the intelligent level of resource management are greatly improved. In addition, in the embodiment of the disclosure, by butting with the upper network management system and the work order system, closed-loop management, monitoring and operation and maintenance of the whole life cycle of the optical cable are realized, the performance and data reliability of the optical cable are ensured, and the initiative and timeliness of operation and maintenance are improved.
Fig. 3 is a schematic structural view of a cable maintenance device according to some embodiments of the present disclosure. As shown in fig. 3, the cable maintenance apparatus includes: the system comprises an acquisition module 310, a judgment module 320 and an early warning module 330.
The obtaining module 310 is configured to obtain monitoring data of the optical cable.
The monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located. Illustratively, the performance index data of the optical cable comprises index data such as optical fiber loss and optical fiber length, and the vibration index data of the environment in which the optical cable is located comprises index data such as vibration waveform and vibration position.
In some embodiments, the obtaining module 310 issues a monitoring task to the monitoring device, and receives monitoring data of the optical cable uploaded by the monitoring device in response to the monitoring task. For example, the obtaining module 310 issues a monitoring task to the monitoring device through a network configuration based on XML (NETCONF) protocol, and the monitoring device collects monitoring data of the optical cable after receiving the monitoring task.
In other embodiments, the obtaining module 310 issues a polling command to an optical switch, where the optical switch is connected to the monitoring device and the cores of the optical cables, so that the optical switch switches among the cores of the optical cables; the obtaining module 310 issues a monitoring task to the monitoring device to realize polling monitoring of the fiber cores of the multiple optical cables in cooperation with the optical switch. For example, the obtaining module 310 issues a polling instruction to the optical switch through a network configuration (NETCONF) protocol based on XML, and issues a monitoring task to the monitoring device through the NETCONF protocol, so as to implement polling monitoring on fiber cores of multiple optical cables. By polling and monitoring the fiber core of the optical cable, the efficiency of maintaining the optical cable can be improved.
And a judging module 320 configured to judge whether the optical cable has a fault risk according to the monitoring data of the optical cable.
In some embodiments, the monitoring data for the fiber optic cable includes performance index data for the fiber optic cable and vibration index data for an environment in which the fiber optic cable is located. In these embodiments, the determining module 320 determines whether the optical cable has a degradation risk according to the performance index data of the optical cable; and the judging module 320 judges whether the optical cable has an external damage risk according to the vibration index data of the environment where the optical cable is located.
By monitoring and analyzing the performance index of the optical cable and the environmental vibration index, the probability of optical cable interruption caused by optical cable deterioration and external breakage is effectively reduced, and the operation and maintenance effect of the optical cable is improved.
And the early warning module 330 is configured to early warn of the fault risk of the optical cable when the optical cable has the fault risk.
In some embodiments, after the cable is analyzed to determine that there is a risk of failure, the early warning module 330 may display the risk point visually by invoking a Geographic Information System (GIS). For example, highlight display is performed on the optical cable position with the degradation risk or the external damage risk, so that the fault risk point positioning time is reduced, and the optical cable operation and maintenance efficiency is improved.
In some embodiments, after the risk of failure of the optical cable is determined through analysis, the early warning module 330 performs multiple levels of early warning on the risk of failure of the optical cable. For example, when the optical fiber loss is greater than the first loss threshold value, it is determined that the optical cable has a first-level degradation risk, and in this case, the early warning module 330 performs a first-level early warning; and under the condition that the optical fiber loss is greater than a second loss threshold value, determining that the optical cable has a secondary degradation risk, and under the condition, performing secondary early warning by the early warning module 330, wherein the second loss threshold value is greater than the first loss threshold value. For example, the first-stage pre-warning means that the pre-warning module 330 sends the optical cable degradation prompt information to the terminal corresponding to the operation and maintenance personnel, and the second-stage pre-warning means that the pre-warning module 330 sends the optical cable degradation maintenance information to the work order system and the terminal corresponding to the operation and maintenance personnel at the same time.
In the embodiment of the disclosure, the performance monitoring and risk early warning can be automatically and efficiently performed on the optical cable through the device, the operation and maintenance efficiency and the operation and maintenance timeliness of the optical cable are improved, and the operation and maintenance effect of the optical cable is improved.
Fig. 4 is a schematic structural view of a cable maintenance system according to some embodiments of the present disclosure. As shown in fig. 4, the optical cable maintenance system of the embodiment of the present disclosure includes: monitoring equipment 410, cable maintenance device 420.
And the optical cable maintenance device 420 is configured to issue an optical cable monitoring task to the monitoring equipment 410.
Illustratively, the optical cable maintenance device issues a monitoring task to the monitoring equipment through a NETCONF protocol.
And the monitoring equipment 410 is configured to collect the monitoring data of the optical cable according to the optical cable monitoring task and upload the monitoring data of the optical cable to the optical cable maintenance device.
The monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located. Illustratively, the performance index data of the optical cable comprises index data such as optical fiber loss and optical fiber length, and the vibration index data of the environment in which the optical cable is located comprises index data such as vibration waveform and vibration position.
In some embodiments, monitoring device 410 includes an Optical Time Domain Reflectometry (OTDR) module and a phase sensitive optical time domain reflectometry (Φ -OTDR) module. The OTDR module is used for acquiring performance index data of the optical cable, and the phi-OTDR module is used for acquiring vibration index data of the environment where the optical cable is located.
The optical cable maintenance device 420 is further configured to determine whether the optical cable has a fault risk according to the monitoring data of the optical cable; and under the condition that the optical cable has fault risks, early warning is carried out on the fault risks of the optical cable.
In some embodiments, the monitoring data for the fiber optic cable includes performance indicator data for the fiber optic cable and vibration indicator data for an environment in which the fiber optic cable is located. In these embodiments, determining whether the optical cable is at risk of failure according to the monitoring data of the optical cable by the optical cable maintenance device 420 includes: the optical cable maintenance device 420 judges whether the optical cable has a degradation risk according to the performance index data of the optical cable; and the optical cable maintenance device 420 judges whether the optical cable has an external damage risk according to the vibration index data of the environment where the optical cable is located.
In some embodiments, after the cable is determined to be at risk of failure through analysis, the cable maintenance device 420 visually displays the risk point by invoking a Geographic Information System (GIS). For example, highlight display is performed on the position of the optical cable with the degradation risk or the external damage risk, so that the fault risk point positioning time is reduced, and the optical cable operation and maintenance efficiency is improved.
In some embodiments, after the cable is determined to be at risk of failure through analysis, the cable maintenance device 420 performs multiple levels of pre-warning for the risk of failure of the cable.
In the embodiment of the disclosure, the system can monitor, analyze and early warn the performance index of the optical cable and the environmental vibration index, thereby effectively reducing the probability of optical cable interruption caused by optical cable deterioration and external damage and improving the operation and maintenance effect of the optical cable.
Fig. 5 is a schematic diagram of a cable maintenance system according to further embodiments of the present disclosure. As shown in fig. 5, the optical cable maintenance system of the embodiment of the present disclosure includes: optical switch 520, monitoring device 530, cable maintenance apparatus 540.
The cable management apparatus 540 is connected to the monitoring device 530 and the optical switch 520, respectively, and the optical switch 520 is further connected to the monitoring device 530 and the cores of the plurality of optical cables 510, respectively.
In some embodiments, for an access layer network, a 1: N remote optical switch may be further stacked on the client side to implement N × N optical fiber cable monitoring. Specifically, a 1: N remote optical switch is connected to optical switch 520, as well as to optical fibers, to extend the number of fiber optic cables monitored.
In some embodiments, optical couplers may also be superimposed for the convergent and backbone networks to enable in-use core monitoring and spare core monitoring. Specifically, the coupler is connected with the monitoring device, and the wavelength of the monitoring device is coupled into the used fiber core through the coupler so as to realize the monitoring of the used fiber core.
A cable maintenance device 540 configured to issue a polling command to the optical switch 520 to cause the optical switch 520 to switch among the plurality of connected cable cores. For example, the cable maintenance device 540 sends a polling command to the optical switch 520 via the NETCONF protocol. Illustratively, the optical switch 520 may employ a 2: n is an integer greater than or equal to 1.
The cable maintenance apparatus 540 is further configured to issue a monitoring task to the monitoring device 530, so as to implement polling monitoring on the cores of the multiple optical cables in cooperation with the optical switch 520. For example, the cable maintenance device 540 issues a monitoring task to the monitoring device 530 via the NETCONF protocol.
In some embodiments, monitoring device 530 includes an Optical Time Domain Reflectometry (OTDR) module and a phase sensitive optical time domain reflectometry (Φ -OTDR) module. The OTDR module is used for collecting performance index data of the optical cable, and the phi-OTDR module is used for collecting vibration index data of the environment where the optical cable is located.
And the monitoring equipment 530 is configured to collect the monitoring data of the optical cable according to the optical cable monitoring task after receiving the monitoring task, and upload the monitoring data of the optical cable to the optical cable maintenance device.
In some embodiments, the monitoring data for the fiber optic cable includes performance indicator data for the fiber optic cable and vibration indicator data for an environment in which the fiber optic cable is located. Illustratively, the performance index data of the optical cable comprises index data such as optical fiber loss and optical fiber length, and the vibration index data of the environment in which the optical cable is located comprises index data such as vibration waveform and vibration position.
The optical cable maintenance device 540 is further configured to determine whether the optical cable has a fault risk according to the monitoring data of the optical cable; and under the condition that the optical cable has fault risks, early warning is carried out on the fault risks of the optical cable.
In some embodiments, the monitoring data for the fiber optic cable includes performance index data for the fiber optic cable and vibration index data for an environment in which the fiber optic cable is located. In these embodiments, the determining, by the cable maintenance apparatus 540, whether the optical cable has a fault risk according to the monitoring data of the optical cable includes: the optical cable maintenance device 540 judges whether the optical cable has a degradation risk according to the performance index data of the optical cable; and the optical cable maintenance device 540 determines whether the optical cable has an external damage risk according to the vibration index data of the environment where the optical cable is located.
And the optical cable maintenance device 540 automatically synchronizes risk information to the work order system 550 and the operation and maintenance terminal 560 after determining that the optical cable has a fault risk through analysis. Illustratively, the risk information includes information of an abnormal vibration position, a vibration generation time, a fiber loss, an abnormal loss position, and the like.
After receiving the risk information, the work order system 550 dispatches the work order to the operation and maintenance terminal 560.
And after receiving the risk information, the operation and maintenance personnel go to a risk point for inspection and maintenance. If the optical cable has abnormal loss conditions such as bending and interruption or abnormal vibration conditions caused by construction and excavation, the optical cable is protected or salvageed in time. In the embodiment of the disclosure, the risk information is automatically synchronized to the operation and maintenance terminal, so that the operation and maintenance personnel can know the risk information before receiving the work order, and can go to the fault risk point in time for inspection and maintenance, thereby further improving the timeliness of optical cable maintenance.
After the operation and maintenance personnel complete the optical cable fault maintenance, the operation and maintenance terminal 560 uploads the optical cable fault maintenance data, and the work order is returned to the work order system through the operation and maintenance terminal 560. Illustratively, the cable maintenance data includes repair point length information, geographical location information of the repair point, and environmental information.
And the optical cable maintenance device 540 uploads the optical cable fault maintenance data to the network management system after receiving the optical cable fault maintenance data, so as to update the optical cable data. By updating the optical cable data stored in the network management system according to the optical cable fault maintenance data, the method is beneficial to accurately positioning the risk point by using the updated optical cable data when the optical cable has the next fault risk.
The optical cable maintenance system is suitable for maintenance of all optical fiber cable pipelines from an access layer to a backbone layer, provides real-time performance monitoring, degradation early warning, external damage early warning and active operation and maintenance capabilities for the optical fiber cable pipelines, does not need to utilize an OTDR instrument to manually measure the performance of the optical fiber cable, reduces the degradation risk of the optical cable, and avoids the condition that the optical cable is interrupted due to external damage after service abnormity is discovered. The operation and maintenance efficiency of the optical fiber and the optical cable and the intelligent level of resource management are greatly improved.
Compared with the related art, the optical cable maintenance system provided by the embodiment of the disclosure has at least one of the following advantages:
closed-loop management of the full lifecycle: the management of the whole life cycle of the optical fiber cable is realized, including performance monitoring, risk early warning and data updating.
2, multi-channel real-time monitoring: and the monitoring equipment completes real-time performance monitoring and vibration monitoring of the multi-path optical fiber cable by combining polling of the optical switch.
3, non-contact monitoring: before external damage such as excavation and construction contacts the optical cable, the vibration condition of the periphery of the optical fiber cable is monitored in real time, and the interruption risk caused by the external damage of the optical fiber cable is effectively reduced.
4, active operation and maintenance: the Optical cable is accessed from an Optical Distribution Frame (ODF) Frame or an Optical cross-connection box (Optical cable cross-connection box) without manual operation and maintenance personnel, the system utilizes monitoring equipment to complete performance and vibration monitoring of the Optical cable and transmit data back to an Optical cable maintenance device, and the performance degradation risk and the external damage risk are actively discovered and an alarm is prompted. By butting the network management system and the work order system, the work order is issued and returned and the data of the optical fiber cable is updated in real time.
5, visually presenting: the optical cable maintenance device is integrated with a geographic information system, highlight display is carried out on the performance degradation risk position and the outer broken risk position, fault point positioning time is reduced, and operation and maintenance efficiency is improved.
FIG. 6 is a block diagram illustrating fiber optic cable maintenance devices according to further embodiments of the present disclosure.
As shown in fig. 6, cable maintenance device 600 includes a memory 610; and a processor 620 coupled to the memory 610. The memory 610 is used for storing instructions for performing the corresponding embodiments of the cable maintenance method. The processor 620 is configured to perform the cable maintenance method in any of the embodiments of the present disclosure based on instructions stored in the memory 610.
FIG. 7 is a block diagram illustrating a computer system for implementing some embodiments of the present disclosure.
As shown in FIG. 7, computer system 700 may be embodied in the form of a general purpose computing device. Computer system 700 includes a memory 710, a processor 720, and a bus 730 that connects the various system components.
The memory 710 may include, for example, system memory, non-volatile storage media, and the like. The system memory stores, for example, an operating system, an application program, a Boot Loader (Boot Loader), and other programs. The system memory may include volatile storage media such as Random Access Memory (RAM) and/or cache memory. The non-volatile storage medium, for example, stores instructions to perform corresponding embodiments of at least one of the optical cable maintenance methods. Non-volatile storage media include, but are not limited to, magnetic disk storage, optical storage, flash memory, and the like.
The bus 730 may use any of a variety of bus architectures. For example, bus architectures include, but are not limited to, Industry Standard Architecture (ISA) bus, Micro Channel Architecture (MCA) bus, and Peripheral Component Interconnect (PCI) bus.
The computer system 700 may also include input-output interfaces 740, network interfaces 750, storage interfaces 760, and the like. These interfaces 740, 750, 760 and the memory 710 and processor 720 may be connected by a bus 730. The input/output interface 740 may provide a connection interface for an input/output device such as a display, a mouse, a keyboard, and the like. The network interface 750 provides a connection interface for various networking devices. The storage interface 760 provides a connection interface for external storage devices such as a floppy disk, a usb disk, and an SD card.
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable apparatus to produce a machine, such that the execution of the instructions by the processor results in an apparatus that implements the functions specified in the flowchart and/or block diagram block or blocks.
These computer-readable program instructions may also be stored in a computer-readable memory that can direct a computer to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instructions which implement the function specified in the flowchart and/or block diagram block or blocks.
The present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects.
By the optical cable maintenance method and the optical cable maintenance device in the embodiment, the fault risk of the optical cable can be early warned timely and efficiently, so that the efficiency of optical cable maintenance and the timeliness of operation and maintenance are improved.
Thus far, fiber optic cable maintenance methods and apparatus according to the present disclosure have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Claims (13)
1. A method of maintaining an optical cable, comprising:
acquiring monitoring data of the optical cable, wherein the monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located;
judging whether the optical cable has a fault risk or not according to the monitoring data of the optical cable;
and under the condition that the optical cable has fault risks, early warning is carried out on the fault risks of the optical cable.
2. The optical cable maintenance method of claim 1, wherein determining whether the optical cable is at risk of failure based on the monitored data of the optical cable comprises:
under the condition that the monitoring data of the optical cable comprise performance index data of the optical cable, judging whether the optical cable has a degradation risk or not according to the performance index data of the optical cable;
and under the condition that the monitoring data of the optical cable comprises vibration index data of the environment where the optical cable is located, judging whether the optical cable has an external damage risk or not according to the vibration index data of the environment where the optical cable is located.
3. The optical cable maintenance method according to claim 2, wherein the performance index data of the optical cable includes optical fiber loss, and the determining whether the optical cable has a risk of degradation according to the performance index data of the optical cable includes:
comparing the fiber loss to a loss threshold;
determining that the optical cable is at risk of degradation if the fiber loss is greater than the loss threshold.
4. The optical cable maintenance method according to claim 2, wherein the vibration index data of the environment where the optical cable is located includes a vibration waveform, and the determining whether the optical cable has a risk of external damage according to the vibration index data of the environment where the optical cable is located includes:
comparing the vibration amplitude of the vibration waveform with a vibration threshold value;
and when the vibration amplitude of the vibration waveform is larger than the vibration threshold value and the duration of the state is longer than the preset time, determining that the optical cable has an external damage risk.
5. The optical cable maintenance method of claim 1, wherein, in the event of a failure risk of the optical cable, pre-warning the failure risk of the optical cable comprises:
under the condition that the optical cable has a degradation risk or an external damage risk, synchronizing risk information to at least one of a work order system and an operation and maintenance terminal, wherein the work order system is used for dispatching a work order to the operation and maintenance terminal.
6. The fiber optic cable maintenance method of claim 5, further comprising:
and receiving optical cable fault maintenance data uploaded by the operation and maintenance terminal, and updating optical cable data stored in a network management system according to the optical cable fault maintenance data.
7. The fiber optic cable maintenance method of claim 1, wherein the obtaining monitoring data for the fiber optic cable comprises:
issuing an optical cable monitoring task to monitoring equipment;
and receiving monitoring data of the optical cable uploaded by the monitoring equipment in response to the optical cable monitoring task.
8. An optical cable maintenance device comprising:
the monitoring system comprises an acquisition module, a monitoring module and a monitoring module, wherein the acquisition module is configured to acquire monitoring data of the optical cable, and the monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located;
the judging module is configured to judge whether the optical cable has a fault risk according to the monitoring data of the optical cable;
the early warning module is configured to perform early warning on the fault risk of the optical cable under the condition that the fault risk of the optical cable exists.
9. A fiber optic cable maintenance system comprising:
the optical cable maintenance device is configured to issue an optical cable monitoring task to the monitoring equipment;
The monitoring equipment is configured to collect monitoring data of the optical cable according to the optical cable monitoring task and upload the monitoring data of the optical cable to the optical cable maintenance device, wherein the monitoring data of the optical cable comprises at least one of performance index data of the optical cable and vibration index data of the environment where the optical cable is located;
the optical cable maintenance device is also configured to judge whether the optical cable has a fault risk according to the monitoring data of the optical cable; and under the condition that the optical cable has fault risks, early warning is carried out on the fault risks of the optical cable.
10. The fiber optic cable maintenance system of claim 9, further comprising:
the optical switch is respectively connected with the monitoring equipment and the optical cables;
the optical cable maintenance device is further configured to issue a polling instruction to the optical switch to perform polling monitoring on the plurality of optical cables.
11. An optical cable maintenance system as in claim 9, wherein the monitoring device comprises an optical time domain reflectometry, OTDR, module and a phase sensitive optical time domain reflectometry, Φ -OTDR, module.
12. An optical cable maintenance device comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the optical cable maintenance method of any of claims 1-7 based on instructions stored in the memory.
13. A computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the optical cable maintenance method of any of claims 1 to 7.
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