CN117408544A - Optical cable full life cycle assessment analysis method - Google Patents
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Abstract
The invention provides an optical cable full life cycle assessment analysis method, which comprises the steps of counting fiber core quality and calculating fiber core quality scores, tracking fiber core quality changes and calculating optical cable quality scores, carrying out file establishment management according to the year of an optical cable and calculating file scores in optical cable file assessment, grading the optical cable status according to bearing service levels and calculating status scores in optical cable status assessment, counting data such as the number of cutting-over times, the number of faults, the marking-on time, the inspection frequency and the like in optical cable operation and maintenance assessment, calculating operation and maintenance scores, and carrying out weighted average on all scores according to weights to obtain a single optical cable full life cycle score. The invention has the advantages that the full life cycle evaluation is carried out on the optical cable from multiple dimensions, the performance and the quality of the optical cable can be more comprehensively reflected, and the management level of the optical cable and the quality of a communication network are improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an optical cable full life cycle assessment and analysis method.
Background
The application range of the communication optical cable in the construction of each basic network service and the service operation and maintenance process is very wide, and the usability of the communication optical cable directly influences the safety and reliability of a communication network. The design service life of the optical cable is between 20 and 30 years, but due to the conditions that the quality of the communication optical cable product is good and uneven, the network construction and maintenance quality cannot be effectively ensured, and a series of factors such as the change of the accumulated optical cable quality along with the continuous use time of the optical cable, the management and control of the whole life cycle of the communication optical cable are improved, and the great repair, reconstruction, scrapping and new construction and the like of the optical cable are guided to have positive significance. The updating and reconstruction of the optical cable has strong dependence on personnel experience, so that the optical cable is evaluated with great difference, and a comprehensive evaluation mode of the whole life cycle of the optical cable is lacked.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an optical cable full life cycle assessment and analysis method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention provides a full life cycle assessment analysis method of an optical cable, which carries out full life cycle assessment on the optical cable from four dimensions of optical cable quality, optical cable file, optical cable status and optical cable operation and maintenance, and comprises the following steps:
step 1: establishing an optical cable quality assessment mechanism, and calculating the score of the optical cable quality;
101. counting the fiber core quality of the optical cable and classifying the fiber core quality of the optical cable;
102. quantifying the fiber core quality of the optical cable, and calculating the fiber core quality score of the optical cable according to the average attenuation coefficient;
103. tracking the change condition of the fiber core quality of the optical cable in the last 5 years, recording the degradation score of the fiber core, and calculating the change score of the fiber core quality of the optical cable;
104. calculating a cable quality score equal to the cable core quality score minus the average degradation score of the cable core for the last 5 years;
step 2: establishing an optical cable archive evaluation mechanism and calculating the score of the optical cable archive;
201. filing management is carried out on the optical cable according to the year of the optical cable;
202. calculating a cable profile score, i.e., 100 minus the run-time multiplied by 5;
step 3: establishing an optical cable status assessment mechanism and calculating the score of the optical cable status;
301. grading the optical cable status according to the grade of the optical cable bearing service;
302. calculating a cable status score, i.e., 100 minus the cable level score multiplied by a weight coefficient;
step 4: establishing an optical cable operation and maintenance assessment mechanism, and calculating the score of the optical cable operation and maintenance;
401. counting the data of the single optical cable such as the annual cutting-over times, the fault times, the marking time length, the inspection frequency and the like;
402. calculating an optical cable operation and maintenance score, and calculating in a manner that the optical cable operation and maintenance score=100-optical cable cutting times are 0.5-optical cable fault times are 1-marking time length/100+inspection frequency;
step 5: step 1-step 4 are synthesized to evaluate the full life cycle score of the single optical cable;
501. and carrying out weighted average on the optical cable quality score, the optical cable archive score, the optical cable position score and the optical cable operation and maintenance score according to a certain weight to obtain the single optical cable full life cycle score.
As a preferred technical scheme of the invention, the classification of the core quality of the optical cable comprises the quality core number, the qualified core number, the available core number, the unavailable core number, the broken fiber number and the port damaged core number of the optical cable.
As a preferred technical solution of the present invention, the optical cable core quality score=100- (number of broken fibers+number of damaged cores of the port) ×2-number of large attenuation points ×1- (number of medium attenuation points+number of untested uploaded cores) ×0.5.
As a preferable technical scheme of the invention, the average attenuation coefficient is calculated according to the transmission distance and the transmission power of the optical cable, the average attenuation coefficient= (the sum of attenuation values of all fiber cores)/the number of fiber cores, and the fiber cores with the average attenuation coefficient less than or equal to 0.25dB/KM are high-quality fiber cores, and the score is 100; the fiber cores with the average attenuation coefficient of 0.25dB/KM being less than or equal to 0.35dB/KM are qualified fiber cores, and the score is 80; fiber cores with the average attenuation coefficient of 0.35dB/KM being less than or equal to 0.5dB/KM are available fiber cores, and the score is 60; the cores with average attenuation coefficient > 0.5dB/KM are unusable cores, and the score is 0.
As a preferable technical scheme of the invention, the optical fiber analyzer for average degradation score of optical fiber cores tests a plurality of optical fiber cores to obtain attenuation coefficient and bandwidth parameters of the optical fiber cores, and calculates degradation score of each optical fiber core according to attenuation difference values before and after the parameters, wherein the average degradation score= (sum of degradation scores of all optical fiber cores)/the number of the optical fiber cores.
As a preferable technical scheme of the invention, the weight quantity of each of the optical cable quality score, the optical cable archive score, the optical cable position score and the optical cable operation and maintenance score is 50%, 20% and 10%.
As a preferable technical scheme of the invention, the optical cable grade score is as follows: the first dry optical cable is 5 parts, the second dry optical cable is 10 parts, the local backbone optical cable is 15 parts, the converging optical cable is 20 parts, and the access optical cable is 30 parts.
As an optimal technical scheme, the inspection frequency is calculated in the following way, 2 points are obtained once a week, 1 point is obtained twice a month, and 0.5 point is obtained once a month.
The beneficial effects of the invention are as follows:
1. the assessment and analysis method for the full life cycle of the optical cable provided by the invention establishes an optical cable comprehensive assessment system, prolongs the life cycle of the optical cable by applying the Internet acquisition and big data analysis means, has a strong effect on improving the service operation quality and the company value, and can also generate obvious economic benefit and social benefit.
2. The full life cycle evaluation is carried out on the optical cable from multiple dimensions, the performance and the quality of the optical cable can be reflected more comprehensively, and the management level of the optical cable and the quality of a communication network can be improved. In addition, the method has strong operability and is easy to realize automatic evaluation.
Drawings
FIG. 1 is a flow chart of a method for detecting and analyzing the quality of an optical cable according to the present invention;
fig. 2 is a flowchart of a duplication removing method in the optical cable quality detecting and analyzing method according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Examples
Referring to fig. 1 to 2, in order to solve the drawbacks of the prior art, the present invention proposes a method for detecting and analyzing the quality of an optical cable, wherein the flow chart is shown in fig. 1, and the method comprises the following steps:
s1, connecting an instrument and meter with fiber cores in an optical cable, collecting the total core number of the optical cable, the number of fiber cores used, the number of fiber cores damaged by a port and the number of fiber cores which are not tested and uploaded, testing the data of the idle fiber cores, and simultaneously transmitting the collected data to a data processor. The data for testing the free cores includes: chain length, average decay coefficient, number of event points, event point location, event point insertion loss.
If the link port has service, the on-site fiber core is in use and can not be tested, the fiber core is the on-site fiber core, and the on-site fiber core only counts the number and does not carry out the test. If the fiber core has no data uploading, the damage of the test port can not be tested at all, and the number of the damaged fiber cores of the port is counted for the damaged fiber cores of the port. If the port state is idle and no test data exists, counting the number of untested uploading fiber cores for untested uploading fiber cores.
If the core is idle, then testing is performed. The test data includes: chain length, average decay coefficient, number of event points, event point location, event point insertion loss. The number of event points refers to any abnormal point number which causes loss or sudden change of reflected power except normal scattering of the optical fiber; the event point location refers to any anomaly point location that causes sudden changes in loss or reflected power, except for normal scattering of the fiber itself.
S2, the data processor processes the received data.
First, the data processor performs a deduplication process on the received data, and a flowchart of the deduplication process is shown in fig. 2, where the deduplication algorithm is as follows:
the first step: comparing the test fiber core data of the same optical cable at the same moment, judging whether the number of event points is repeated, judging the fiber core data with the number of event points not repeated as non-repeated data, and otherwise, entering a second step;
and a second step of: judging whether the positions of event points are the same (the allowable error is 150 meters) in the test fiber core data, if not, judging that the data are not repeated, otherwise, entering a third step;
and a third step of: and judging whether the insertion loss of the event point is consistent (the allowable error is +/-0.003 dB) in the test fiber core data, if not, judging that the data is not repeated, and if not, judging that the data is repeated.
The deduplicated data is then processed as follows.
(1) Judging the quality of a single fiber core according to the average attenuation system, counting the number of high-quality fiber cores, the number of qualified fiber cores, the number of usable fiber cores and the number of unusable fiber cores; and counting the number of broken fibers according to the chain length and whether the fiber core is damaged by the port.
The method for judging the quality of the single fiber core according to the average attenuation system comprises the following steps:
if the average attenuation coefficient is less than or equal to 0.25dB/KM, the fiber core is a high-quality fiber core; if the average attenuation coefficient of 0.25dB/KM is less than or equal to 0.35dB/KM, the fiber core is a qualified fiber core; if the average attenuation coefficient of 0.35dB/KM is less than or equal to 0.5dB/KM, the fiber core is a usable fiber core; if the average attenuation coefficient is > 0.5dB/KM, the core is an unusable core. Counting the number of high-quality fiber cores, the number of qualified fiber cores, the number of available fiber cores and the number of unavailable fiber cores.
The method for judging the broken fiber comprises the following steps: if the chain length of the fiber core is less than 98% of the chain length of the longest fiber core in the measured optical cable, the fiber core is broken; if the core is a port damaged core, the core is a broken fiber.
(2) And judging qualified attenuation points, small attenuation points, medium attenuation points and large attenuation points of the single optical fiber according to the insertion loss range of the event points, and counting the corresponding quantity of qualified attenuation points, small attenuation points, medium attenuation points and large attenuation points.
The method for judging the consumption point level according to the range of the event point insertion loss comprises the following steps: qualifying decay point: event point insertion loss range: 0-0.1 dB; small decay point: event point insertion loss range: 0.1dB to 0.3dB; mid decay point: event point insertion loss range: 0.3dB to 0.5dB; large decay point: event point insertion loss range: 0.5dB or more.
(3) Judging the event point condition of a single optical cable: the number of cable event points and the number of losses present at the event point location are analyzed. Illustrating: a24-core optical cable with a total length of 30km, wherein 24-core optical cores all have large attenuation points at a place of 10km, can be judged that the optical cable is damaged or broken at a place of 10 km. If the attenuation points are small, the phenomenon that the optical cable is bent and the like is indicated.
S3, diagnosing the health degree of the optical cable, wherein the optical cable health value=the qualification rate of the fiber cores (the number of broken fibers and the number of damaged fiber cores of the port) is 100, the number of large attenuation points is 2, the number of medium attenuation points is 1, the number of untested uploading fiber cores is 0.5,
wherein, the core qualification rate= (the number of used cores+the number of high-quality cores+the number of qualified cores)/(the total number of optical cable cores-the number of untested uploading cores);
core availability = (number of cores in use + number of cores in good quality + number of cores in qualification + number of cores in use)/(total number of cores in cable-number of cores uploaded without test).
The cable health value can be indicative of the health of the cable. The higher the score, the less the number of attenuation points exist in the whole optical cable, the less the attenuation and the high the health degree. Otherwise, the same is true. The health degree of the optical cable can be known through the optical cable score, and the later maintenance and management are convenient.
The optical cable health value obtained through the embodiment determines whether the optical cable is available according to the qualification rate and the availability of the fiber cores, meanwhile, the optical cable health value indicates the whole service life condition of the optical cable, the score is high, the service life is long, the score is low, the service life is short, replacement is possibly needed, whether maintenance and replacement are needed or not is determined by a property organization, and the technical scheme provides an effective reference value.
According to the embodiment, the quality of the fiber cores of the optical cable is centralized and controlled, the requirement of double-conversion is achieved by an innovative means, the cost reduction, synergy and high-benefit operation target is achieved, three problems encountered in maintenance of the optical cable line are solved, the maintenance difficulty is greatly reduced, and the network maintenance efficiency and safety are improved. By implementing the technical scheme of the invention, taking a certain operator as an example, about 2437 people are saved in a single city year, about 6-12 people are reduced, and the aim of IT change is fulfilled; because the quality management workload of the fiber cores is greatly reduced, and meanwhile, the fiber core test is periodically scheduled, and the feasibility of cost wrapping replacement is realized.
In particular, according to some embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, some embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flow chart.
It should be noted that, the computer readable medium described in some embodiments of the present disclosure may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In some embodiments of the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In some embodiments of the present disclosure, however, the computer-readable signal medium may comprise a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
In some embodiments, the management system may communicate using any currently known or future developed network protocol, such as HTTP (Hyper Text Transfer Protocol ), and may be interconnected with any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the internet (e.g., the internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed networks.
The computer readable medium may be contained in the electronic device; or may exist alone without being incorporated into the electronic device. The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to.
Computer program code for carrying out operations for some embodiments of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The functions described above herein may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a Complex Programmable Logic Device (CPLD), and the like.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (7)
1. The full life cycle assessment and analysis method for the optical cable is characterized by comprising the following steps of:
step 1: establishing an optical cable quality assessment mechanism, and calculating the score of the optical cable quality;
101. counting the fiber core quality of the optical cable and classifying the fiber core quality of the optical cable;
102. quantifying the fiber core quality of the optical cable, and calculating the fiber core quality score of the optical cable according to the average attenuation coefficient;
103. tracking the change condition of the fiber core quality of the optical cable in the last 5 years, recording the degradation score of the fiber core, and calculating the change score of the fiber core quality of the optical cable;
104. calculating a cable quality score equal to the cable core quality score minus the average degradation score of the cable core for the last 5 years;
step 2: establishing an optical cable archive evaluation mechanism and calculating the score of the optical cable archive;
201. filing management is carried out on the optical cable according to the year of the optical cable;
202. calculating a cable profile score, i.e., 100 minus the run-time multiplied by 5;
step 3: establishing an optical cable status assessment mechanism and calculating the score of the optical cable status;
301. grading the optical cable status according to the grade of the optical cable bearing service;
302. calculating a cable status score, i.e., 100 minus the cable level score multiplied by a weight coefficient;
step 4: establishing an optical cable operation and maintenance assessment mechanism, and calculating the score of the optical cable operation and maintenance;
401. counting the data of the single optical cable such as the annual cutting-over times, the fault times, the marking time length, the inspection frequency and the like;
402. calculating an optical cable operation and maintenance score, and calculating in a manner that the optical cable operation and maintenance score=100-optical cable cutting times are 0.5-optical cable fault times are 1-marking time length/100+inspection frequency;
step 5: step 1-step 4 are synthesized to evaluate the full life cycle score of the single optical cable;
501. and carrying out weighted average on the optical cable quality score, the optical cable archive score, the optical cable position score and the optical cable operation and maintenance score according to a certain weight to obtain the single optical cable full life cycle score.
2. The method of claim 1, wherein the classification of the core quality of the fiber optic cable includes the number of premium cores, the number of acceptable cores, the number of usable cores, the number of unusable cores, the number of broken cores, and the number of port damage cores of the fiber optic cable.
3. The method according to claim 2, wherein the fiber core quality score = 100- (number of broken fibers + number of damaged cores of the port) 2-number of large attenuation points 1- (number of medium attenuation points + number of untested uploaded cores) 0.5.
4. The method for evaluating and analyzing the full life cycle of the optical cable according to claim 1, wherein the average attenuation coefficient is calculated according to the transmission distance and the transmission power of the optical cable, the average attenuation coefficient= (the sum of attenuation values of all fiber cores)/the number of fiber cores, the fiber cores with the average attenuation coefficient less than or equal to 0.25dB/KM are high-quality fiber cores, and the score is 100; the fiber cores with the average attenuation coefficient of 0.25dB/KM being less than or equal to 0.35dB/KM are qualified fiber cores, and the score is 80; fiber cores with the average attenuation coefficient of 0.35dB/KM being less than or equal to 0.5dB/KM are available fiber cores, and the score is 60; the cores with average attenuation coefficient > 0.5dB/KM are unusable cores, and the score is 0.
5. The method according to claim 1, wherein the optical fiber analyzer for evaluating and analyzing the average degradation score of the optical fiber cores is used for testing a plurality of optical fiber cores to obtain the attenuation coefficient and bandwidth parameters of the optical fiber cores, and the degradation score of each optical fiber core is calculated according to the attenuation difference before and after the parameters, wherein the average degradation score= (sum of degradation scores of all optical fiber cores)/the number of optical fiber cores.
6. The method of claim 1, wherein the cable quality score, cable profile score, cable status score, and cable operation score each have a weight of 50%, 20%, 10%.
7. The method for evaluating and analyzing the full life cycle of the optical cable according to claim 1, wherein the optical cable grade score is: the first dry optical cable is 5 parts, the second dry optical cable is 10 parts, the local backbone optical cable is 15 parts, the converging optical cable is 20 parts, and the access optical cable is 30 parts.
The inspection frequency is calculated in the following way, 2 points are obtained once a week, 1 point is obtained twice a month, and 0.5 point is obtained once a month.
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| CN118282491A (en) * | 2024-03-27 | 2024-07-02 | 北京瑞祺皓迪技术股份有限公司 | Optical cable quality health degree assessment method, device, equipment and medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118282491A (en) * | 2024-03-27 | 2024-07-02 | 北京瑞祺皓迪技术股份有限公司 | Optical cable quality health degree assessment method, device, equipment and medium |
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