CN117240349B - Double-main-path optical fiber automatic switching protection method and system based on online OTDR monitoring - Google Patents
Double-main-path optical fiber automatic switching protection method and system based on online OTDR monitoring Download PDFInfo
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 214
- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
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- 238000000253 optical time-domain reflectometry Methods 0.000 title claims abstract 14
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Abstract
The invention provides a double-main-path optical fiber automatic switching protection method and system based on online OTDR monitoring, wherein the method comprises the following steps: on-line OTDR monitors a first optical fiber main circuit in operation; when a first optical fiber fault meeting a preset first fault condition is monitored, switching to a standby second optical fiber main circuit to take over operation; based on a preset maintenance scheduling strategy corresponding to the first optical fiber fault, scheduling a first maintenance person to maintain the first optical fiber fault, and monitoring a second optical fiber main path on line OTDR; when a second optical fiber fault meeting a preset second fault condition is monitored, based on a preset supplementary maintenance scheduling strategy corresponding to the second optical fiber fault, a supplementary maintenance personnel is scheduled to maintain the first optical fiber fault; and after the first optical fiber fault maintenance is completed, switching to the first optical fiber main path to be operated again. The invention ensures the stable execution of the data transmission task as far as possible, and improves the comprehensiveness and rationality of the automatic switching protection of the optical fiber.
Description
Technical Field
The invention relates to the technical field of optical fiber automatic switching protection, in particular to a double-main-path optical fiber automatic switching protection method and system based on online OTDR monitoring.
Background
In order to ensure the stability of data transmission through the optical fiber, the optical fiber automatic switching protection needs to be realized. In the optical fiber automatic switching protection system, two optical fiber main paths are arranged for the same data transmission task to execute, and when one optical fiber main path fails, the optical fiber automatic switching protection system is switched to the other standby optical fiber main path to run in succession. However, when the optical fiber main line is switched to another spare optical fiber main line to run, the default spare optical fiber main line can be used for the data transmission task to complete the maintenance of the optical fiber main line with faults, the situation that the fault occurs before the maintenance of the optical fiber main line with faults is completed after the spare optical fiber main line is switched to run is not considered, and if the situation occurs, the data transmission task cannot be executed, so that the comprehensiveness and rationality of the automatic switching protection of the optical fiber are reduced.
Accordingly, there is a need for a solution that addresses at least some of the deficiencies in the prior art.
Disclosure of Invention
The invention aims to provide a double-main-path optical fiber automatic switching protection method based on online OTDR monitoring, which is characterized in that a first optical fiber main path is monitored by online OTDR, when the first optical fiber main path fails, the first optical fiber main path is switched to a second optical fiber main path to run successively, based on a maintenance scheduling strategy, a first maintenance personnel is scheduled to maintain the first optical fiber failure, when the second optical fiber main path also fails, a second maintenance personnel is scheduled to maintain the first optical fiber failure based on a supplementary maintenance scheduling strategy, the maintenance progress of the first optical fiber main path is accelerated, the maintenance efficiency of the first optical fiber main path is improved, the first optical fiber main path can be restarted as soon as possible, the stable execution of a data transmission task is ensured as possible, and the comprehensiveness and rationality of the optical fiber automatic switching protection are improved.
The double-main-path optical fiber automatic switching protection method based on online OTDR monitoring provided by the embodiment of the invention comprises the following steps:
on-line OTDR monitors a first optical fiber main circuit in operation;
when a first optical fiber fault meeting a preset first fault condition is monitored, switching to a standby second optical fiber main circuit to take over operation;
based on a preset maintenance scheduling strategy corresponding to the first optical fiber fault, scheduling a first maintenance person to maintain the first optical fiber fault, and monitoring a second optical fiber main path on line OTDR;
when a second optical fiber fault meeting a preset second fault condition is monitored, based on a preset supplementary maintenance scheduling strategy corresponding to the second optical fiber fault, a supplementary maintenance personnel is scheduled to maintain the first optical fiber fault;
and after the first optical fiber fault maintenance is completed, switching to the first optical fiber main path to be operated again.
Preferably, the double-main-path optical fiber automatic switching protection method based on online OTDR monitoring further comprises the following steps:
when a first maintenance person maintains the first optical fiber fault, the first maintenance person is maintained and assisted;
wherein, carry out maintenance assistance to first maintenance personnel, include:
acquiring a fault position of a first optical fiber fault;
Pushing preset maintenance environment information corresponding to the fault position and basic auxiliary information corresponding to the first optical fiber fault to an intelligent terminal carried by a first maintenance person;
pushing a preset maintenance progress input frame to the intelligent terminal;
when a first maintenance person inputs a maintenance progress through the intelligent terminal, acquiring maintenance time for the first maintenance person to maintain the first optical fiber fault;
determining that the maintenance progress is abnormal based on the maintenance progress, the maintenance duration and a preset standard schedule corresponding to the first optical fiber fault;
pushing the maintenance progress abnormality to the intelligent terminal.
Preferably, the first maintenance person is assisted in maintenance, and further comprising:
determining whether a first maintenance person meets the external aid requirement opportunity condition;
when the first optical fiber faults are matched with the first optical fiber faults, acquiring maintenance difficulty information of a first maintenance person for maintaining the first optical fiber faults;
a difficult solution strategy for obtaining maintenance difficulty information;
pushing the difficult solution strategy to the intelligent terminal;
wherein, the external assistance demand opportunity condition includes:
a first maintenance person inputs a foreign assistance request through an intelligent terminal;
or alternatively, the first and second heat exchangers may be,
the method comprises the steps that a first time length of a terminal position change of an intelligent terminal in a latest first preset time is larger than or equal to a preset first time length threshold value, a second time length of a terminal screen orientation change of the intelligent terminal in the latest first preset time is larger than or equal to a preset second time length threshold value, a terminal position change of the intelligent terminal in the latest first preset time is not generated, and a third time length of the terminal screen orientation change is larger than or equal to a preset third time length threshold value;
Or alternatively, the first and second heat exchangers may be,
the target weight sum is greater than or equal to a preset weight sum threshold; the target weight and the corresponding abnormal weight sum in a preset abnormal weight library for the determined maintenance progress abnormality.
Preferably, obtaining maintenance difficulty information for a first maintenance person to maintain the first optical fiber fault includes:
acquiring a help seeking video recorded by a first maintenance person through an intelligent terminal;
extracting a voice fragment from the help video;
determining first maintenance difficulty details based on the voice segments;
extracting picture switching time from the help video;
determining a video picture time interval to be extracted based on the voice segment and the picture switching time;
extracting a video picture corresponding to a video picture time interval to be extracted from the help video;
determining second maintenance difficulty details based on the video picture;
combining the first maintenance difficulty details and the second maintenance difficulty details as maintenance difficulty information;
the method for determining the time interval of the video picture to be extracted based on the voice segment and the picture switching time comprises the following steps:
constructing a target human voice fragment sequence; the time difference value between the first generation times of every two voice fragments in the target voice fragment sequence is smaller than or equal to a preset difference value threshold value, and the voice fragments in the target voice fragment sequence are sequenced according to the first generation times;
When the picture switching time is between the first generation times of the voice segments in the target voice segment sequence, determining a video picture time interval to be extracted based on the earliest first generation time and the latest first generation time of the voice segments in the target voice segment sequence.
Preferably, determining the first maintenance difficulty details based on the human voice segment includes:
semantic extraction is carried out on the voice segments to obtain voice semantics;
determining a first target semantic conforming to a first semantic condition from the human voice semantic;
determining a second target semantic conforming to a second semantic condition from the human voice semantic;
determining first maintenance difficulty details based on the first target semantics and the second target semantics;
wherein the first semantic condition comprises:
the first target semantics are in a preset standard semantics library;
or alternatively, the first and second heat exchangers may be,
the semantic type of the first target semantic exists in a preset standard semantic type library;
wherein the second semantic condition comprises:
the third generation time of the voice segment extracted from the first target semantic falls within a second preset time period before the second generation time of the voice segment extracted from the second target semantic;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a second preset time length after the second generation time;
Or alternatively, the first and second heat exchangers may be,
the third generation time falls within a third preset time period before the second generation time and the third generation time falls within a third preset time period after the second generation time.
The double-main-path optical fiber automatic switching protection system based on online OTDR monitoring provided by the embodiment of the invention comprises the following components:
the monitoring module is used for monitoring the running first optical fiber main path through the online OTDR;
the first switching module is used for switching to a standby second optical fiber main circuit to take over operation when a first optical fiber fault meeting a preset first fault condition is monitored;
the first scheduling module is used for scheduling a first maintenance person to maintain the first optical fiber fault based on a preset maintenance scheduling strategy corresponding to the first optical fiber fault, and monitoring a second optical fiber main path on line by the OTDR;
the second scheduling module is used for performing supplementary scheduling on a second maintenance personnel to maintain the first optical fiber fault based on a preset supplementary maintenance scheduling strategy corresponding to the second optical fiber fault when the second optical fiber fault meeting the preset second fault condition is monitored;
and the second switching module is used for switching to the first optical fiber main path to be operated again after the first optical fiber fault maintenance is completed.
Preferably, the dual main path optical fiber automatic switching protection system based on online OTDR monitoring further comprises:
A repair assistance module for comprising:
when a first maintenance person maintains the first optical fiber fault, the first maintenance person is maintained and assisted;
wherein, maintenance assistance module carries out maintenance assistance to first maintenance personnel, includes:
acquiring a fault position of a first optical fiber fault;
pushing preset maintenance environment information corresponding to the fault position and basic auxiliary information corresponding to the first optical fiber fault to an intelligent terminal carried by a first maintenance person;
pushing a preset maintenance progress input frame to the intelligent terminal;
when a first maintenance person inputs a maintenance progress through the intelligent terminal, acquiring maintenance time for the first maintenance person to maintain the first optical fiber fault;
determining that the maintenance progress is abnormal based on the maintenance progress, the maintenance duration and a preset standard schedule corresponding to the first optical fiber fault;
pushing the maintenance progress abnormality to the intelligent terminal.
Preferably, the maintenance assisting module performs maintenance assisting on the first maintenance person, and further includes:
determining whether a first maintenance person meets the external aid requirement opportunity condition;
when the first optical fiber faults are matched with the first optical fiber faults, acquiring maintenance difficulty information of a first maintenance person for maintaining the first optical fiber faults;
A difficult solution strategy for obtaining maintenance difficulty information;
pushing the difficult solution strategy to the intelligent terminal;
wherein, the external assistance demand opportunity condition includes:
a first maintenance person inputs a foreign assistance request through an intelligent terminal;
or alternatively, the first and second heat exchangers may be,
the method comprises the steps that a first time length of a terminal position change of an intelligent terminal in a latest first preset time is larger than or equal to a preset first time length threshold value, a second time length of a terminal screen orientation change of the intelligent terminal in the latest first preset time is larger than or equal to a preset second time length threshold value, a terminal position change of the intelligent terminal in the latest first preset time is not generated, and a third time length of the terminal screen orientation change is larger than or equal to a preset third time length threshold value;
or alternatively, the first and second heat exchangers may be,
the target weight sum is greater than or equal to a preset weight sum threshold; the target weight and the corresponding abnormal weight sum in a preset abnormal weight library for the determined maintenance progress abnormality.
Preferably, the maintenance assistance module obtains maintenance difficulty information of a first maintenance person for maintaining the first optical fiber fault, including:
acquiring a help seeking video recorded by a first maintenance person through an intelligent terminal;
extracting a voice fragment from the help video;
determining first maintenance difficulty details based on the voice segments;
Extracting picture switching time from the help video;
determining a video picture time interval to be extracted based on the voice segment and the picture switching time;
extracting a video picture corresponding to a video picture time interval to be extracted from the help video;
determining second maintenance difficulty details based on the video picture;
combining the first maintenance difficulty details and the second maintenance difficulty details as maintenance difficulty information;
the method for determining the time interval of the video picture to be extracted based on the voice segment and the picture switching time comprises the following steps:
constructing a target human voice fragment sequence; the time difference value between the first generation times of every two voice fragments in the target voice fragment sequence is smaller than or equal to a preset difference value threshold value, and the voice fragments in the target voice fragment sequence are sequenced according to the first generation times;
when the picture switching time is between the first generation times of the voice segments in the target voice segment sequence, determining a video picture time interval to be extracted based on the earliest first generation time and the latest first generation time of the voice segments in the target voice segment sequence.
Preferably, the repair assistance module determines first repair difficulty details based on the voice section, including:
Semantic extraction is carried out on the voice segments to obtain voice semantics;
determining a first target semantic conforming to a first semantic condition from the human voice semantic;
determining a second target semantic conforming to a second semantic condition from the human voice semantic;
determining first maintenance difficulty details based on the first target semantics and the second target semantics;
wherein the first semantic condition comprises:
the first target semantics are in a preset standard semantics library;
or alternatively, the first and second heat exchangers may be,
the semantic type of the first target semantic exists in a preset standard semantic type library;
wherein the second semantic condition comprises:
the third generation time of the voice segment extracted from the first target semantic falls within a second preset time period before the second generation time of the voice segment extracted from the second target semantic;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a second preset time length after the second generation time;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a third preset time period before the second generation time and the third generation time falls within a third preset time period after the second generation time.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a dual main path optical fiber automatic switching protection method based on online OTDR monitoring in an embodiment of the present invention;
fig. 2 is a schematic diagram of a dual main path optical fiber automatic switching protection system based on online OTDR monitoring in an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The embodiment of the invention provides a double-main-path optical fiber automatic switching protection method based on online OTDR monitoring, which is shown in fig. 1 and comprises the following steps:
step S1: on-line OTDR monitors a first optical fiber main circuit in operation;
step S2: when a first optical fiber fault meeting a preset first fault condition is monitored, switching to a standby second optical fiber main circuit to take over operation;
Step S3: based on a preset maintenance scheduling strategy corresponding to the first optical fiber fault, scheduling a first maintenance person to maintain the first optical fiber fault, and monitoring a second optical fiber main path on line OTDR;
step S4: when a second optical fiber fault meeting a preset second fault condition is monitored, based on a preset supplementary maintenance scheduling strategy corresponding to the second optical fiber fault, a supplementary maintenance personnel is scheduled to maintain the first optical fiber fault;
step S5: and after the first optical fiber fault maintenance is completed, switching to the first optical fiber main path to be operated again.
In this embodiment, the first optical fiber main path is operated first for data transmission; when the online OTDR monitors the first optical fiber main path, a monitoring result of an OTDR monitor which is in butt joint with the first optical fiber main path is remotely obtained, and the OTDR monitor can monitor a first optical fiber fault of the first optical fiber main path; the first fault condition includes: the fault condition representing that the first optical fiber main circuit cannot continue to operate for data transmission can be set in advance by technicians according to actual requirements; when the online OTDR monitors the second optical fiber main path, a monitoring result of an OTDR monitor which is in butt joint with the second optical fiber main path is remotely obtained, and the OTDR monitor can monitor a second optical fiber fault of the second optical fiber main path; the maintenance scheduling strategy includes: strategies for the dispatcher to repair the first fiber fault, such as: the personnel who dispatch which maintenance work species go to carry out maintenance can also be set in advance by technicians according to actual demands; the second fault condition includes: the fault condition representing the possibility that the second optical fiber main path cannot continue to operate for data transmission can be set in advance by technicians according to actual requirements; the supplementary repair scheduling strategy includes: strategies for supplementing the dispatcher for servicing the first fiber fault, such as: the personnel who increase the scheduling which repair work species go to maintain, also can set up in advance by the skilled person according to actual demand, generally, the higher the fault severity of second optic fibre trouble, the greater the supplementary scheduling dynamics of supplementary maintenance scheduling policy, say: more personnel are scheduled to go to service.
When the first optical fiber main path fails, the first optical fiber main path is switched to the second optical fiber main path to run in succession, based on a maintenance scheduling strategy, a first maintenance person is scheduled to maintain the first optical fiber failure, when the second optical fiber main path also fails, based on a supplementary maintenance scheduling strategy, a second maintenance person is supplementary scheduled to maintain the first optical fiber failure, the maintenance progress of the first optical fiber main path is accelerated, the maintenance efficiency of the first optical fiber main path is improved, the first optical fiber main path can be restarted as soon as possible, the stable execution of a data transmission task is ensured as possible, and the comprehensiveness and rationality of the automatic switching protection of the optical fiber are improved.
In one embodiment, the dual main optical fiber automatic switching protection method based on online OTDR monitoring further includes:
when a first maintenance person maintains the first optical fiber fault, the first maintenance person is maintained and assisted;
wherein, carry out maintenance assistance to first maintenance personnel, include:
acquiring a fault position of a first optical fiber fault;
pushing preset maintenance environment information corresponding to the fault position and basic auxiliary information corresponding to the first optical fiber fault to an intelligent terminal carried by a first maintenance person;
Pushing a preset maintenance progress input frame to the intelligent terminal;
when a first maintenance person inputs a maintenance progress through the intelligent terminal, acquiring maintenance time for the first maintenance person to maintain the first optical fiber fault;
determining that the maintenance progress is abnormal based on the maintenance progress, the maintenance duration and a preset standard schedule corresponding to the first optical fiber fault;
pushing the maintenance progress abnormality to the intelligent terminal.
In this embodiment, when the OTDR monitor monitors a first optical fiber fault, fault location may be performed to obtain a fault location of the first optical fiber fault; the maintenance environment information includes: the optical fiber pre-burying technology (such as optical cable type selection, burial depth and the like) of the fault position can be set in advance by technicians according to actual requirements; the basic auxiliary information includes: the maintenance flow, the maintenance necessary tool list and the like of the first optical fiber fault are also set in advance by technicians according to actual requirements; the intelligent terminal can be: smart phones, job recorders, etc.; after the maintenance environment information and the basic auxiliary information are pushed to the intelligent terminal, a first maintenance person can check the maintenance environment information and the basic auxiliary information, and plan the operation flow in advance, for example: how deep the soil is dug; the maintenance progress input box is an information input box and is used for a first maintenance person to input maintenance progress; the maintenance duration starts to be timed when a first maintenance personnel inputs a maintenance starting instruction through the intelligent terminal; the standard schedule is provided with a standard maintenance schedule and a corresponding standard maintenance duration when the first optical fiber fault is maintained, and the maintenance schedule and the maintenance duration are compared with the standard maintenance schedule and the standard maintenance duration, so that the lagged maintenance schedule of the first optical fiber fault for the first maintenance personnel can be determined and used as the abnormal maintenance schedule; the maintenance progress is abnormally pushed to the intelligent terminal, a first maintenance person can check the maintenance progress, learn the maintenance progress condition of the first maintenance person, reasonably arrange the subsequent maintenance speed, and improve the maintenance progress of the first optical fiber fault to a certain extent.
In one embodiment, the first maintenance person is assisted in maintenance, further comprising:
determining whether a first maintenance person meets the external aid requirement opportunity condition;
when the first optical fiber faults are matched with the first optical fiber faults, acquiring maintenance difficulty information of a first maintenance person for maintaining the first optical fiber faults;
a difficult solution strategy for obtaining maintenance difficulty information;
pushing the difficult solution strategy to the intelligent terminal;
wherein, the external assistance demand opportunity condition includes:
a first maintenance person inputs a foreign assistance request through an intelligent terminal; when a first maintenance person inputs an external assistance request through the intelligent terminal, the first maintenance person is required to carry out external assistance;
or alternatively, the first and second heat exchangers may be,
the method comprises the steps that a first time length of a terminal position change of an intelligent terminal in a latest first preset time is larger than or equal to a preset first time length threshold value, a second time length of a terminal screen orientation change of the intelligent terminal in the latest first preset time is larger than or equal to a preset second time length threshold value, a terminal position change of the intelligent terminal in the latest first preset time is not generated, and a third time length of the terminal screen orientation change is larger than or equal to a preset third time length threshold value; the first preset time may be, for example: 100 seconds; the first time length threshold may be, for example: 40 seconds; the second duration threshold may be, for example: 20 seconds; the third duration threshold may be, for example: 25 seconds; when the external assistance demand time condition is met, the first maintenance personnel are stated to complete the arrangement and adjustment of the intelligent terminal in the field, the intelligent terminal is arranged to a position and an angle at which the first maintenance personnel can record help videos (videos of difficult maintenance when recording) while viewing the help videos/carry out maintenance operation, and at the moment, the first maintenance personnel need external assistance;
Or alternatively, the first and second heat exchangers may be,
the target weight sum is greater than or equal to a preset weight sum threshold; the target weight and the corresponding abnormal weight sum in a preset abnormal weight library for the determined maintenance progress abnormality. The abnormal weight library is provided with abnormal weights corresponding to different maintenance progress anomalies, and the greater the abnormal weight is, the greater the abnormal severity of the maintenance progress anomalies is; the weights and thresholds may be, for example: 180; when the external assistance demand time condition is met, the serious abnormality of the maintenance progress of the maintenance personnel is indicated, and at the moment, the first maintenance personnel needs external assistance.
In the embodiment, when the first maintenance personnel accords with the external assistance requirement opportunity condition, the first maintenance personnel is required to assist the external assistance when maintaining the first optical fiber fault; the maintenance difficulty information includes: difficult details of the repair difficulty that occurs when the first repair personnel repair the first optical fiber fault; the difficult solution strategies include: the strategy for solving the maintenance difficulty of the first maintenance personnel when maintaining the first optical fiber fault can be remotely formulated by an optical fiber maintenance expert; pushing the difficult solution strategy to the intelligent terminal, wherein a first maintenance person can check the difficult solution strategy, and the maintenance difficulty is solved based on the difficult solution strategy;
Most of maintenance operations of the optical fiber are outdoor, and the technical requirements for maintaining the optical fiber are extremely high, so that the difficulty of maintaining the optical fiber is high, and maintenance personnel can easily encounter maintenance difficulties; generally, when maintenance personnel encounters maintenance difficulty, the maintenance progress may be delayed due to factors such as attempting to solve the maintenance personnel; therefore, the embodiment of the invention introduces the external assistance demand time condition, accurately and timely determines whether the maintenance personnel needs external assistance, improves the timeliness of solving the maintenance difficulty, and improves the optical fiber maintenance progress; secondly, even if the maintenance personnel are additionally scheduled, the maintenance personnel which are additionally scheduled take time to go to the site, so that the maintenance personnel which arrive at the site first are assisted to solve the optical fiber faults, and the running progress of the main optical fiber with faults is improved.
In one embodiment, obtaining maintenance difficulty information for a first maintenance person to repair a first fiber fault includes:
acquiring a help seeking video recorded by a first maintenance person through an intelligent terminal;
extracting a voice fragment from the help video;
determining first maintenance difficulty details based on the voice segments;
extracting picture switching time from the help video;
Determining a video picture time interval to be extracted based on the voice segment and the picture switching time;
extracting a video picture corresponding to a video picture time interval to be extracted from the help video;
determining second maintenance difficulty details based on the video picture;
combining the first maintenance difficulty details and the second maintenance difficulty details as maintenance difficulty information;
the method for determining the time interval of the video picture to be extracted based on the voice segment and the picture switching time comprises the following steps:
constructing a target human voice fragment sequence; the time difference value between the first generation times of every two voice fragments in the target voice fragment sequence is smaller than or equal to a preset difference value threshold value, and the voice fragments in the target voice fragment sequence are sequenced according to the first generation times;
when the picture switching time is between the first generation times of the voice segments in the target voice segment sequence, determining a video picture time interval to be extracted based on the earliest first generation time and the latest first generation time of the voice segments in the target voice segment sequence.
In the embodiment, when a first maintenance person makes a maintenance difficult call for help, the help-seeking video is recorded through the intelligent terminal, so that the site situation, the maintenance difficult situation and the like can be introduced in the help-seeking video; extracting a voice fragment from the help video, and determining first maintenance difficulty details based on the semantics of the voice fragment; the frame switching time is the frame switching time when the first maintenance personnel uses the intelligent terminal to record the video, for example: the shooting direction of the lens is from front to back; determining second maintenance difficulty details based on the video picture; combining the first maintenance difficulty details and the second maintenance difficulty details as maintenance difficulty information;
The first generation time of the human voice segment is the starting generation time of the human voice segment; the difference threshold may be, for example: 10 seconds; when determining a video picture time interval to be extracted based on the earliest first generation time and the latest first generation time, respectively taking the earliest first generation time and the latest first generation time as interval boundaries of the video picture time interval to be extracted;
when the first maintenance personnel introduce the site situation, the maintenance difficulty situation and the like in the help video, the site situation, the maintenance difficulty situation and the like can be introduced in stages, so that the voice fragments in the target voice fragment sequence are introduced in the same stage, if the picture switching time is between the first generation times of the voice fragments in the target voice fragment sequence, the picture switching is performed when the first maintenance is performed in the stage of introduction, for example: the time from front to rear of the shot direction indicates that when the stage introduction is performed, the corresponding video frame can be used to determine maintenance difficulty details, such as: the first maintenance personnel uses the front camera to introduce the identity, then uses the rear camera to shoot the scene picture, introduces the maintenance difficulty while shooting, therefore, the shot video picture can be used for determining the details of the maintenance difficulty. Generally, a first maintenance person may communicate with a colleague on site, and other persons in the vicinity are allowed to enter voice, so that the embodiment of the invention determines the time interval of the video picture to be extracted based on the voice segment and the picture switching time, extracts the corresponding video picture to determine the second maintenance difficulty details, and greatly improves the applicability of the system.
In one embodiment, determining first maintenance difficulty details based on the human voice segment includes:
semantic extraction is carried out on the voice segments to obtain voice semantics;
determining a first target semantic conforming to a first semantic condition from the human voice semantic;
determining a second target semantic conforming to a second semantic condition from the human voice semantic;
determining first maintenance difficulty details based on the first target semantics and the second target semantics;
wherein the first semantic condition comprises:
the first target semantics are in a preset standard semantics library;
or alternatively, the first and second heat exchangers may be,
the semantic type of the first target semantic exists in a preset standard semantic type library;
wherein the second semantic condition comprises:
the third generation time of the voice segment extracted from the first target semantic falls within a second preset time period before the second generation time of the voice segment extracted from the second target semantic;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a second preset time length after the second generation time;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a third preset time period before the second generation time and the third generation time falls within a third preset time period after the second generation time.
In this embodiment, the standard semantics are semantics representing the site condition and the maintenance difficulty condition introduced by the first maintenance personnel, such as: "multiple failures of broken cable lap joint", etc.; when the first target semantics exist in the standard semantics library, the first target semantics are stated to be usable for determining first maintenance difficulty details; the standard semantic type is a type representing the semantic of a first maintenance person introducing a site situation and a maintenance difficulty situation, such as: "maintenance tool discomfort" and the like; when the semantic type of the first target semantic exists in the standard semantic type library, the first target semantic is stated to be applicable to determining first maintenance difficulty details;
The second preset time period is smaller than the third preset time period; the second preset duration may be, for example: 10 seconds; the third preset duration may be, for example: 20 seconds; when the third generation time falls within a second preset time period before the second generation time, the second target semantic is generated shortly before the first target semantic representing the field situation and the maintenance difficulty situation introduced by the first maintenance personnel, possibly representing the field situation and the maintenance difficulty situation introduced by the first maintenance personnel, and the second target semantic can be used for determining the details of the first maintenance difficulty; when the third generation time falls within a second preset time length after the second generation time, the second target semantic is generated soon after the first target semantic representing the field situation and the maintenance difficulty situation is introduced by the first maintenance personnel, and possibly the field situation and the maintenance difficulty situation are also introduced by the first maintenance personnel, so that the method can be used for determining the details of the first maintenance difficulty; when the third generation time falls within a third preset time period before the second generation time and the third generation time falls within a third preset time period after the second generation time, the second target semantic is indicated to possibly represent a stage of the first maintenance personnel introducing the site situation and the maintenance difficulty situation together with the first target semantic representing the first maintenance personnel introducing the site situation and the maintenance difficulty situation, and the corresponding second target semantic can be used for determining the details of the first maintenance difficulty; according to the embodiment of the invention, the first semantic condition and the second semantic condition are introduced, the first target semantic and the second target semantic which can be used for determining the details of the first maintenance difficulty are rapidly screened, semantic analysis resources are reduced, semantic analysis efficiency is improved, and the efficiency of determining the details of the first maintenance difficulty is greatly improved.
The embodiment of the invention provides a double-main-path optical fiber automatic switching protection system based on online OTDR monitoring, which is shown in fig. 2 and comprises the following steps:
the monitoring module 1 is used for monitoring a first optical fiber main path in operation by an online OTDR;
the first switching module 2 is used for switching to a standby second optical fiber main circuit take over operation when a first optical fiber fault meeting a preset first fault condition is detected;
the first scheduling module 3 is used for scheduling a first maintenance person to maintain the first optical fiber fault based on a preset maintenance scheduling strategy corresponding to the first optical fiber fault, and monitoring a second optical fiber main path on line in an OTDR (optical time domain reflectometer);
the second scheduling module 4 is configured to, when a second optical fiber fault meeting a preset second fault condition is detected, perform supplementary scheduling on the second optical fiber fault to repair the first optical fiber fault based on a preset supplementary repair scheduling policy corresponding to the second optical fiber fault;
and the second switching module 5 is used for switching to the first optical fiber main path to be operated again after the first optical fiber fault maintenance is completed.
Double-main-path optical fiber automatic switching protection system based on online OTDR monitoring, further comprising:
a repair assistance module for comprising:
when a first maintenance person maintains the first optical fiber fault, the first maintenance person is maintained and assisted;
Wherein, maintenance assistance module carries out maintenance assistance to first maintenance personnel, includes:
acquiring a fault position of a first optical fiber fault;
pushing preset maintenance environment information corresponding to the fault position and basic auxiliary information corresponding to the first optical fiber fault to an intelligent terminal carried by a first maintenance person;
pushing a preset maintenance progress input frame to the intelligent terminal;
when a first maintenance person inputs a maintenance progress through the intelligent terminal, acquiring maintenance time for the first maintenance person to maintain the first optical fiber fault;
determining that the maintenance progress is abnormal based on the maintenance progress, the maintenance duration and a preset standard schedule corresponding to the first optical fiber fault;
pushing the maintenance progress abnormality to the intelligent terminal.
The maintenance auxiliary module performs maintenance assistance on a first maintenance person and further comprises:
determining whether a first maintenance person meets the external aid requirement opportunity condition;
when the first optical fiber faults are matched with the first optical fiber faults, acquiring maintenance difficulty information of a first maintenance person for maintaining the first optical fiber faults;
a difficult solution strategy for obtaining maintenance difficulty information;
pushing the difficult solution strategy to the intelligent terminal;
wherein, the external assistance demand opportunity condition includes:
a first maintenance person inputs a foreign assistance request through an intelligent terminal;
Or alternatively, the first and second heat exchangers may be,
the method comprises the steps that a first time length of a terminal position change of an intelligent terminal in a latest first preset time is larger than or equal to a preset first time length threshold value, a second time length of a terminal screen orientation change of the intelligent terminal in the latest first preset time is larger than or equal to a preset second time length threshold value, a terminal position change of the intelligent terminal in the latest first preset time is not generated, and a third time length of the terminal screen orientation change is larger than or equal to a preset third time length threshold value;
or alternatively, the first and second heat exchangers may be,
the target weight sum is greater than or equal to a preset weight sum threshold; the target weight and the corresponding abnormal weight sum in a preset abnormal weight library for the determined maintenance progress abnormality.
The maintenance assistance module obtains maintenance difficulty information of a first maintenance person for maintaining the first optical fiber fault, and the maintenance assistance module comprises:
acquiring a help seeking video recorded by a first maintenance person through an intelligent terminal;
extracting a voice fragment from the help video;
determining first maintenance difficulty details based on the voice segments;
extracting picture switching time from the help video;
determining a video picture time interval to be extracted based on the voice segment and the picture switching time;
extracting a video picture corresponding to a video picture time interval to be extracted from the help video;
Determining second maintenance difficulty details based on the video picture;
combining the first maintenance difficulty details and the second maintenance difficulty details as maintenance difficulty information;
the method for determining the time interval of the video picture to be extracted based on the voice segment and the picture switching time comprises the following steps:
constructing a target human voice fragment sequence; the time difference value between the first generation times of every two voice fragments in the target voice fragment sequence is smaller than or equal to a preset difference value threshold value, and the voice fragments in the target voice fragment sequence are sequenced according to the first generation times;
when the picture switching time is between the first generation times of the voice segments in the target voice segment sequence, determining a video picture time interval to be extracted based on the earliest first generation time and the latest first generation time of the voice segments in the target voice segment sequence.
The repair assistance module determines first repair difficulty details based on the voice segments, including:
semantic extraction is carried out on the voice segments to obtain voice semantics;
determining a first target semantic conforming to a first semantic condition from the human voice semantic;
determining a second target semantic conforming to a second semantic condition from the human voice semantic;
Determining first maintenance difficulty details based on the first target semantics and the second target semantics;
wherein the first semantic condition comprises:
the first target semantics are in a preset standard semantics library;
or alternatively, the first and second heat exchangers may be,
the semantic type of the first target semantic exists in a preset standard semantic type library;
wherein the second semantic condition comprises:
the third generation time of the voice segment extracted from the first target semantic falls within a second preset time period before the second generation time of the voice segment extracted from the second target semantic;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a second preset time length after the second generation time;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a third preset time period before the second generation time and the third generation time falls within a third preset time period after the second generation time.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The double-main-path optical fiber automatic switching protection method based on online OTDR monitoring is characterized by comprising the following steps:
On-line OTDR monitors a first optical fiber main circuit in operation;
when a first optical fiber fault meeting a preset first fault condition is monitored, switching to a standby second optical fiber main circuit to take over operation;
based on a preset maintenance scheduling strategy corresponding to the first optical fiber fault, scheduling a first maintenance person to maintain the first optical fiber fault, and monitoring a second optical fiber main path on line OTDR;
when a second optical fiber fault meeting a preset second fault condition is monitored, based on a preset supplementary maintenance scheduling strategy corresponding to the second optical fiber fault, a supplementary maintenance personnel is scheduled to maintain the first optical fiber fault;
after the first optical fiber fault maintenance is completed, switching to a first optical fiber main path to be operated again;
carry out maintenance assistance to first maintenance personnel, still include:
determining whether a first maintenance person meets the external aid requirement opportunity condition;
when the first optical fiber faults are matched with the first optical fiber faults, acquiring maintenance difficulty information of a first maintenance person for maintaining the first optical fiber faults;
a difficult solution strategy for obtaining maintenance difficulty information;
pushing the difficult solution strategy to the intelligent terminal;
wherein, the external assistance demand opportunity condition includes:
a first maintenance person inputs a foreign assistance request through an intelligent terminal;
Or alternatively, the first and second heat exchangers may be,
the method comprises the steps that a first time length of a terminal position change of an intelligent terminal in a latest first preset time is larger than or equal to a preset first time length threshold value, a second time length of a terminal screen orientation change of the intelligent terminal in the latest first preset time is larger than or equal to a preset second time length threshold value, a terminal position change of the intelligent terminal in the latest first preset time is not generated, and a third time length of the terminal screen orientation change is larger than or equal to a preset third time length threshold value;
or alternatively, the first and second heat exchangers may be,
the target weight sum is greater than or equal to a preset weight sum threshold; the target weight and the corresponding abnormal weight sum in a preset abnormal weight library for determining abnormal maintenance progress;
the method for acquiring the maintenance difficulty information of the first maintenance personnel for maintaining the first optical fiber fault comprises the following steps:
acquiring a help seeking video recorded by a first maintenance person through an intelligent terminal;
extracting a voice fragment from the help video;
determining first maintenance difficulty details based on the voice segments;
extracting picture switching time from the help video;
determining a video picture time interval to be extracted based on the voice segment and the picture switching time;
extracting a video picture corresponding to a video picture time interval to be extracted from the help video;
Determining second maintenance difficulty details based on the video picture;
combining the first maintenance difficulty details and the second maintenance difficulty details as maintenance difficulty information;
the method for determining the time interval of the video picture to be extracted based on the voice segment and the picture switching time comprises the following steps:
constructing a target human voice fragment sequence; the time difference value between the first generation times of every two voice fragments in the target voice fragment sequence is smaller than or equal to a preset difference value threshold value, and the voice fragments in the target voice fragment sequence are sequenced according to the first generation times;
when the picture switching time is between the first generation times of the voice segments in the target voice segment sequence, determining a video picture time interval to be extracted based on the earliest first generation time and the latest first generation time of the voice segments in the target voice segment sequence.
2. The method for automatically switching and protecting a dual main optical fiber based on online OTDR monitoring according to claim 1, further comprising:
when a first maintenance person maintains the first optical fiber fault, the first maintenance person is maintained and assisted;
wherein, carry out maintenance assistance to first maintenance personnel, include:
Acquiring a fault position of a first optical fiber fault;
pushing preset maintenance environment information corresponding to the fault position and basic auxiliary information corresponding to the first optical fiber fault to an intelligent terminal carried by a first maintenance person;
pushing a preset maintenance progress input frame to the intelligent terminal;
when a first maintenance person inputs a maintenance progress through the intelligent terminal, acquiring maintenance time for the first maintenance person to maintain the first optical fiber fault;
determining that the maintenance progress is abnormal based on the maintenance progress, the maintenance duration and a preset standard schedule corresponding to the first optical fiber fault;
pushing the maintenance progress abnormality to the intelligent terminal.
3. The method for automatically switching and protecting a dual main fiber based on online OTDR monitoring of claim 1, wherein determining the first maintenance difficulty details based on the human voice segment comprises:
semantic extraction is carried out on the voice segments to obtain voice semantics;
determining a first target semantic conforming to a first semantic condition from the human voice semantic;
determining a second target semantic conforming to a second semantic condition from the human voice semantic;
determining first maintenance difficulty details based on the first target semantics and the second target semantics;
wherein the first semantic condition comprises:
The first target semantics are in a preset standard semantics library;
or alternatively, the first and second heat exchangers may be,
the semantic type of the first target semantic exists in a preset standard semantic type library;
wherein the second semantic condition comprises:
the third generation time of the voice segment extracted from the first target semantic falls within a second preset time period before the second generation time of the voice segment extracted from the second target semantic;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a second preset time length after the second generation time;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a third preset time period before the second generation time and the third generation time falls within a third preset time period after the second generation time.
4. The double-main-path optical fiber automatic switching protection system based on online OTDR monitoring is characterized by comprising:
the monitoring module is used for monitoring the running first optical fiber main path through the online OTDR;
the first switching module is used for switching to a standby second optical fiber main circuit to take over operation when a first optical fiber fault meeting a preset first fault condition is monitored;
the first scheduling module is used for scheduling a first maintenance person to maintain the first optical fiber fault based on a preset maintenance scheduling strategy corresponding to the first optical fiber fault, and monitoring a second optical fiber main path on line by the OTDR;
The second scheduling module is used for performing supplementary scheduling on a second maintenance personnel to maintain the first optical fiber fault based on a preset supplementary maintenance scheduling strategy corresponding to the second optical fiber fault when the second optical fiber fault meeting the preset second fault condition is monitored;
the second switching module is used for switching to the first optical fiber main path to be operated again after the first optical fiber fault maintenance is completed;
the maintenance auxiliary module performs maintenance assistance on a first maintenance person and further comprises:
determining whether a first maintenance person meets the external aid requirement opportunity condition;
when the first optical fiber faults are matched with the first optical fiber faults, acquiring maintenance difficulty information of a first maintenance person for maintaining the first optical fiber faults;
a difficult solution strategy for obtaining maintenance difficulty information;
pushing the difficult solution strategy to the intelligent terminal;
wherein, the external assistance demand opportunity condition includes:
a first maintenance person inputs a foreign assistance request through an intelligent terminal;
or alternatively, the first and second heat exchangers may be,
the method comprises the steps that a first time length of a terminal position change of an intelligent terminal in a latest first preset time is larger than or equal to a preset first time length threshold value, a second time length of a terminal screen orientation change of the intelligent terminal in the latest first preset time is larger than or equal to a preset second time length threshold value, a terminal position change of the intelligent terminal in the latest first preset time is not generated, and a third time length of the terminal screen orientation change is larger than or equal to a preset third time length threshold value;
Or alternatively, the first and second heat exchangers may be,
the target weight sum is greater than or equal to a preset weight sum threshold; the target weight and the corresponding abnormal weight sum in a preset abnormal weight library for determining abnormal maintenance progress;
the maintenance assistance module obtains maintenance difficulty information of a first maintenance person for maintaining the first optical fiber fault, and the maintenance assistance module comprises:
acquiring a help seeking video recorded by a first maintenance person through an intelligent terminal;
extracting a voice fragment from the help video;
determining first maintenance difficulty details based on the voice segments;
extracting picture switching time from the help video;
determining a video picture time interval to be extracted based on the voice segment and the picture switching time;
extracting a video picture corresponding to a video picture time interval to be extracted from the help video;
determining second maintenance difficulty details based on the video picture;
combining the first maintenance difficulty details and the second maintenance difficulty details as maintenance difficulty information;
the method for determining the time interval of the video picture to be extracted based on the voice segment and the picture switching time comprises the following steps:
constructing a target human voice fragment sequence; the time difference value between the first generation times of every two voice fragments in the target voice fragment sequence is smaller than or equal to a preset difference value threshold value, and the voice fragments in the target voice fragment sequence are sequenced according to the first generation times;
When the picture switching time is between the first generation times of the voice segments in the target voice segment sequence, determining a video picture time interval to be extracted based on the earliest first generation time and the latest first generation time of the voice segments in the target voice segment sequence.
5. The dual main fiber automatic switching protection system based on-line OTDR monitoring of claim 4, further comprising:
a repair assistance module for comprising:
when a first maintenance person maintains the first optical fiber fault, the first maintenance person is maintained and assisted;
wherein, maintenance assistance module carries out maintenance assistance to first maintenance personnel, includes:
acquiring a fault position of a first optical fiber fault;
pushing preset maintenance environment information corresponding to the fault position and basic auxiliary information corresponding to the first optical fiber fault to an intelligent terminal carried by a first maintenance person;
pushing a preset maintenance progress input frame to the intelligent terminal;
when a first maintenance person inputs a maintenance progress through the intelligent terminal, acquiring maintenance time for the first maintenance person to maintain the first optical fiber fault;
determining that the maintenance progress is abnormal based on the maintenance progress, the maintenance duration and a preset standard schedule corresponding to the first optical fiber fault;
Pushing the maintenance progress abnormality to the intelligent terminal.
6. The dual main fiber automatic switching protection system based on-line OTDR monitoring of claim 4 wherein the repair assistance module determines first repair difficulty details based on the human voice segment comprising:
semantic extraction is carried out on the voice segments to obtain voice semantics;
determining a first target semantic conforming to a first semantic condition from the human voice semantic;
determining a second target semantic conforming to a second semantic condition from the human voice semantic;
determining first maintenance difficulty details based on the first target semantics and the second target semantics;
wherein the first semantic condition comprises:
the first target semantics are in a preset standard semantics library;
or alternatively, the first and second heat exchangers may be,
the semantic type of the first target semantic exists in a preset standard semantic type library;
wherein the second semantic condition comprises:
the third generation time of the voice segment extracted from the first target semantic falls within a second preset time period before the second generation time of the voice segment extracted from the second target semantic;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a second preset time length after the second generation time;
or alternatively, the first and second heat exchangers may be,
the third generation time falls within a third preset time period before the second generation time and the third generation time falls within a third preset time period after the second generation time.
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