CN115276792B - Optical cable common mode risk assessment method and system based on optical cable routing - Google Patents
Optical cable common mode risk assessment method and system based on optical cable routing Download PDFInfo
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- CN115276792B CN115276792B CN202210915301.1A CN202210915301A CN115276792B CN 115276792 B CN115276792 B CN 115276792B CN 202210915301 A CN202210915301 A CN 202210915301A CN 115276792 B CN115276792 B CN 115276792B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012502 risk assessment Methods 0.000 title claims abstract description 18
- 239000000835 fiber Substances 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000011156 evaluation Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 11
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- Optical Communication System (AREA)
Abstract
The application discloses an optical cable common mode risk assessment method and system based on optical cable routing, and the application comprises the following steps: acquiring data information of an optical cable; determining a first cable routing combination of the cable according to the data information; querying a second cable route combination associated with the first cable route combination based on the first cable route combination; calculating hash values of the first optical cable route combination and the second optical cable route combination through a hash algorithm; the method and the system for evaluating the common mode risk points of the optical cables by comparing different hash values in the first optical cable route combination and the second optical cable route integrate hash algorithm to solve the problem of analysis of the risk points of the optical cables in the power station, reasonably standardize the analysis of the operation and maintenance risk points of the optical cables and improve the operation and maintenance quality of the optical cables.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an optical cable common mode risk assessment method and system based on optical cable routing.
Background
At present, the risk analysis of the electric power optical cable mainly depends on optical cable lines among stations to carry out risk analysis, and the risk analysis method is based on fiber core business and optical cable routing among stations. The existing optical cable operation and maintenance mainly aims at operation, maintenance and overhaul management of a single optical cable, and as the scale and structure of a power optical fiber network are more and more complex, the types of optical cable faults are more and more, the problem of imperfect in-station risk analysis is easy to occur in an operation and maintenance management mode of the single optical cable, and even the risk of optical cable interruption is caused, so that the occurrence of power grid safety accidents is caused.
Disclosure of Invention
The invention aims to provide an optical cable common mode risk assessment method based on optical cable routing, which is used for improving the operation and maintenance quality of an optical cable.
The first aspect of the invention provides an optical cable common mode risk assessment method based on optical cable routing, which comprises the following steps:
acquiring data information of an optical cable;
determining a first cable routing combination of the cable according to the data information;
querying a second cable route combination associated with the first cable route combination based on the first cable route combination;
calculating hash values of the first optical cable route combination and the second optical cable route combination through a hash algorithm;
and comparing different hash values in the first optical cable route combination and the second optical cable route, and then evaluating common mode risk points of the optical cables.
Optionally, the determining the first cable routing combination of the optical cable according to the data information includes:
determining key routing points of the optical cable according to the data information;
and calculating a complete line of the optical cable based on the position information of the key routing point so as to determine a first optical cable routing combination of the optical cable.
Optionally, before the calculating, by the hash value algorithm, the hash value of the first cable route combination and the second cable route combination, the method further includes:
and encrypting the data set of the first optical cable routing combination and the second optical cable routing combination to obtain a first encryption result and a second encryption result.
Optionally, the calculating, by a hash algorithm, a hash value of the first cable route combination and the second cable route combination includes:
calculating a first hash value of the first encryption result through a hash algorithm;
a second hash value of the second encryption result is calculated.
Optionally, the comparing the different hash values in the first optical cable routing combination and the second optical cable routing combination to evaluate the common mode risk point of the optical cable includes:
and comparing whether the first hash value and the second hash value are the same, and if so, enabling the first optical cable route combination and the second optical cable route combination to have common mode risk points.
Optionally, the first optical cable routing combination includes routing entity data of an optical cable entity device and an optical cable line combination.
A second aspect of the present application provides an optical cable common mode risk assessment system based on optical cable routing, comprising:
the acquisition module is used for acquiring the data information of the optical cable;
a determining module, configured to determine a first cable routing combination of the optical cable according to the data information;
a query module for querying a second cable route combination associated with the first cable route combination based on the first cable route combination;
a calculation module for calculating hash values of the first optical cable route combination and the second optical cable route combination through a hash algorithm;
and the evaluation module is used for comparing different hash values in the first optical cable route combination and the second optical cable route and evaluating common mode risk points of the optical cables.
The technical scheme can be seen that the application has the following advantages: according to the invention, the routing combination of the selected optical cable is obtained through the obtained optical cable information to be analyzed, then other optical cable routing combinations in the related lines are obtained according to the routing combination, the hash value is obtained after the hash calculation is carried out on the above combinations, the common mode risk is obtained through comparing and positioning the obtained hash value, and finally the common mode risk is fed back to operation and maintenance personnel in a graphical mode based on the common mode risk point, so that the operation and maintenance personnel can conveniently and rapidly identify the physical trend and the geographic position of the optical cable in the station according to the common mode risk point, the optical cable fault can be conveniently and rapidly diagnosed and processed, the quality and the efficiency of the operation and maintenance optical cable are improved while the power grid safety accident is effectively reduced.
Drawings
FIG. 1 is a schematic flow chart of a common mode risk assessment method for optical cables based on optical cable routing in the present invention;
FIG. 2 is a schematic diagram of another flow chart of the method for evaluating common mode risk of optical cables based on optical cable routing according to the present invention;
FIG. 3 is a schematic diagram of a system for evaluating risk of common mode of optical cables based on optical cable routing according to the present invention.
Detailed Description
The embodiment of the application provides an optical cable common mode risk assessment method based on optical cable routing, which is used for improving the operation and maintenance quality of an optical cable.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
referring to fig. 1, an optical cable common mode risk assessment method based on optical cable routing mainly includes the following steps:
101. acquiring data information of an optical cable;
in this embodiment, the system obtains the physical data of the optical cable to be analyzed, where the physical data of the optical cable includes basic information of the optical cable physical device, for example, basic information of 220KV conventional substation physical device, information of a machine room, a rack, an optical cable, a joint box, a pole, a tower, a pipeline, a groove, and the like, and the common mode risk of the optical cable incoming line or the external line in the substation exists in the substation is a common mode risk point based on the existence of the basic information, such as a same ditch, a same vertical shaft, a machine room channel, a same tower, a same ditch, a same tunnel, and the like.
102. Determining a first cable routing combination of the cable according to the data information;
the physical data system based on the selected fiber optic cable may determine a corresponding routing combination for the selected fiber optic cable, defined herein as a first fiber optic cable routing combination, denoted by combination a. In the process of designing the routing of the optical cable, the substation is generally designed with multiple schemes, for example, the routing of the optical cable adopts linear routing combination or annular trunk optical cable routing combination or other routing combinations, or adopts the routing combination associated with the I-th section line of the linear routing.
103. Querying a second cable route combination associated with the first cable route combination based on the first cable route combination;
the system obtains other cable routing combinations in the associated line based on the first cable routing, the associated combination may be n, defined herein as a second cable combination, denoted as combination Z (n). It should be noted that the combination Z (n) is one or more combinations, and there are routing combinations of associated linear or circular routes with the selected fiber optic cable.
104. Calculating a hash value of the first optical cable route combination and the second optical cable route combination through a hash algorithm;
after determining a second cable routing combination associated with the first cable routing combination, the system calculates a corresponding hash value via a hash algorithm. Because the spatial dimension of each data information of the substation optical cable design is different, in order to more accurately retrieve the substation information, in this embodiment, a model is constructed according to the substation entity equipment and the entity circuit, wherein the model comprises an asset model, a circuit trend model and an optical cable routing model, and the asset model is composed of information such as a machine room, a rack, an optical cable, a connector box, a pole, a tower, a pipeline, a groove and the like; the line trend model forms a link model formed in sequence or based on physical information such as a pole, a tower, a pipeline, a groove and the like; the optical cable routing model forms a link model formed by combining or sequentially based on physical information such as a machine room, a rack, an optical cable, a joint box and the like, and is combined into routing entity data through entity equipment and line entities, and the routing entity data is stored in a database in a collection form to provide a data basis for calculation in data based on a hash algorithm.
105. And comparing different hash values in the first optical cable route combination and the second optical cable route, and then evaluating common mode risk points of the optical cables.
In this embodiment, the system calculates a unique hash string of the first optical cable route combination through a hash algorithm, uses the unique hash string as a unique identifier of the first optical cable route combination, and obtains other hash strings of other associated optical cable route combinations in the same way, and then determines whether the first optical cable route combination and the other associated route combinations exist in a system database through the unique identifier, so as to evaluate a common mode point, if the first optical cable route combination and the other associated route combinations exist in the common mode point, the common mode point is recorded as H (n), and after all traversals, the H (n) is summarized in a common mode risk point set, and the system feeds back the common mode risk point set to a system user in a graphical form.
In addition, the system can display the physical position information such as pipeline, groove trend, optical cable route and the like which are updated periodically in a visual form, specifically, the graphical route such as the pole, the tower, the well, the pipeline, the groove and the like of the optical cable in the station intuitively and vividly by taking the station diagram as the background. The optical cable is represented by yellow line segments, and physical wiring devices such as a pole, a tower, a well, a joint box and the like are displayed in a mode similar to a physical picture, so that operation and maintenance personnel can conveniently and rapidly identify the physical trend and the geographic position of the optical cable in the station through the distinction of colors and graphs, and the optical cable fault can be conveniently and rapidly diagnosed and processed.
Example 2:
referring to fig. 2, another embodiment of an optical cable common mode risk assessment method based on optical cable routing mainly includes the following steps:
201. acquiring data information of an optical cable;
step 201 in this embodiment is similar to step 101 in the previous embodiment, and will not be described here again.
202. Determining key routing points of the optical cable according to the data information;
according to the obtained data information of the optical cable, such as the factory number of the optical cable, the key routing points defined by the system are queried, such as stations, machine rooms, light distribution boxes, joint boxes, towers and the like, and all routing combinations related to the optical cable can be queried according to the key routing points related to the optical cable.
203. Calculating a complete line of the optical cable based on the location information of the critical routing points to determine a first cable routing combination for the optical cable;
the method comprises the steps of obtaining coordinate information of all routing points on an optical cable route from a space database based on a GIS technology, for example, obtaining an optical cable key routing point comprising a joint, obtaining a tower of the optical cable joint, obtaining coordinate information of a corresponding tower from the space database as the coordinate information of the whole joint, and determining route combination of the optical cable according to all routes designed by the coordinate information.
204. Querying a second cable route combination associated with the first cable route combination based on the first cable route combination;
step 204 in this embodiment is similar to step 103 in the previous embodiment, and will not be described here.
205. Encrypting the data set of the first optical cable route combination and the second optical cable route combination to obtain a first encryption result and a second encryption result;
in this embodiment, the data of the first optical cable routing combination and the second optical cable routing combination are encrypted to obtain an encryption result, where the encryption mode is not limited. Specifically, the encryption result is determined according to a hash algorithm, wherein the hash algorithm maps binary values with any length to binary values with a shorter fixed length, if one end of the hash is clear or data is changed, different values are generated by subsequent hashes, and the security of the hash value is particularly high, so that the security of the data is ensured by performing hash calculation by using the encryption result.
206. Calculating a first hash value of the first encryption result and a second hash value of the second encryption result through a hash algorithm;
in this embodiment, the hash value is unique, so that the optical cable routing combination data is encrypted first and then the hash value is obtained by the encryption result.
207. Comparing whether the first hash value and the second hash value are the same;
in this embodiment, the system performs comparison positioning according to different hash values in the combination, that is, compares the unique hash value corresponding to the first cable routing combination with hash values of other routing combinations associated with the unique hash value.
208. When the first hash value is the same as the second hash value, the first optical cable route combination and the second optical cable route combination have common mode risk points;
when the hash value corresponding to the first optical cable route combination and other associated route combinations have the same route or the same other entity information, the common mode risk points such as the same ditch, the same vertical shaft, the machine room channel, the same tower, the same ditch, the same tunnel and the like are indicated. And after the common mode points are determined, the system is summarized in a common mode risk point set after all traversal, and finally the common mode risk points are fed back to a system user in a graphical mode.
Example 3:
referring to fig. 3, an optical cable common mode risk assessment system based on optical cable routing mainly includes the following steps:
the obtaining module 301 obtains the data information of the optical cable, the determining module 302 determines the first optical cable route combination of the optical cable according to the data information, such as the factory number of the optical cable, and the like, then the inquiring module 303 inquires the second optical cable route combination related to the first optical cable route combination from the system, wherein the second optical cable combination comprises a plurality of combinations, the calculating module 304 calculates all hash values of the first optical cable route combination and the second optical cable route combination through a hash algorithm, it is required to account for that the hash values are corresponding unique identifications, the evaluating module 305 finally compares different hash values in the first optical cable route combination and the second optical cable route to evaluate the common mode risk point of the optical cable, and then feeds back to the operation staff in a graphical mode based on the common mode risk point, and the operation staff can accurately evaluate the common mode point (same ditch, same shaft, same machine room channel, same tower, same ditch, same tunnel, and the like) of the optical cable according to the hash algorithm, the physical and geographical positions of the optical cable in the common mode point can be conveniently and rapidly identified, the operation staff can conveniently diagnose and rapidly, the operation quality is improved, and the operation quality is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An optical cable common mode risk assessment method based on optical cable routing, which is characterized by comprising the following steps:
acquiring data information of an optical cable;
determining a first cable routing combination of the optical cable according to the data information, wherein the determining the first cable routing combination of the optical cable according to the data information comprises the following steps: determining key routing points of the optical cable according to the data information; calculating a complete line of the optical cable based on the location information of the critical routing point to determine a first cable routing combination for the optical cable;
querying a second cable route combination associated with the first cable route combination based on the first cable route combination;
calculating hash values of the first optical cable route combination and the second optical cable route combination through a hash algorithm;
and comparing different hash values in the first optical cable route combination and the second optical cable route, and then evaluating common mode risk points of the optical cables.
2. The method of claim 1, wherein prior to said computing a hash value of said first cable routing combination and said second cable routing combination by a hashing algorithm, said method further comprises:
and encrypting the data set of the first optical cable routing combination and the second optical cable routing combination to obtain a first encryption result and a second encryption result.
3. The method of claim 2, wherein the calculating, by a hashing algorithm, the hash value of the first cable routing combination and the second cable routing combination comprises:
calculating a first hash value of the first encryption result through a hash algorithm;
a second hash value of the second encryption result is calculated.
4. The method of claim 3, wherein said comparing the different hash values in the first cable routing combination and the second cable routing combination to evaluate a common mode risk point for the cable comprises:
and comparing whether the first hash value and the second hash value are the same, and if so, enabling the first optical cable route combination and the second optical cable route combination to have common mode risk points.
5. The method of any of claims 1-4, wherein the first fiber optic cable routing combination includes routing entity data for a fiber optic cable entity device and fiber optic cable line combination.
6. An optical cable common mode risk assessment system based on optical cable routing, comprising:
the acquisition module is used for acquiring the data information of the optical cable;
a determining module, configured to determine a first cable routing combination of the optical cable according to the data information, where determining the first cable routing combination of the optical cable according to the data information includes: determining key routing points of the optical cable according to the data information; calculating a complete line of the optical cable based on the location information of the critical routing point to determine a first cable routing combination for the optical cable;
a query module for querying a second cable route combination associated with the first cable route combination based on the first cable route combination;
a calculation module for calculating hash values of the first optical cable route combination and the second optical cable route combination through a hash algorithm;
and the evaluation module is used for comparing different hash values in the first optical cable route combination and the second optical cable route and evaluating common mode risk points of the optical cables.
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| CN117375709B (en) * | 2023-10-23 | 2024-07-12 | 国网江苏省电力有限公司泰州供电分公司 | Optical cable routing optical cable common mode risk early warning system and method based on optical cable routing optical cable common mode risk early warning system |
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