CN114900232A - Method and system for positioning fault point of transmission optical cable based on GIS engine - Google Patents
Method and system for positioning fault point of transmission optical cable based on GIS engine Download PDFInfo
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The invention relates to a method and a system for positioning a fault point of a transmission optical cable based on a GIS engine, wherein the method comprises the following steps: acquiring signal loss warning information and POS fiber breaking point distance warning information sent by starting point transmission equipment and end point transmission equipment for signal transmission; determining whether the optical cable transmission network has an interruption fault or not by combining the signal loss alarm information according to the topological connection relation of the network elements or ports of the plurality of transmission devices; after the optical cable transmission network is determined to have an interruption fault, carrying out optical fiber breakpoint distance diagnosis according to POS fiber break point distance warning information, carrying out GIS optical cable route serial connection, and constructing a breakpoint analysis model; and determining the physical position of the optical cable breakpoint according to the breakpoint analysis model. The invention realizes the accurate analysis and GIS presentation of the fault point of the transmission optical cable, solves the technical problem that the fault can not be found quickly because of the dead zone of optical cable interruption monitoring in the prior art, and improves the satisfaction degree of telecommunication users.
Description
Technical Field
The invention relates to the technical field of information, in particular to a method and a system for positioning a fault point of a transmission optical cable based on a GIS engine.
Background
With the advance of technology, more and more users select optical fibers as transmission media, and various problems related to the optical fibers are gradually paid attention to. Wherein, quick location and the direct use experience that is concerned with the user of the transmission cable trouble of exclusion. The existing method for positioning the fault of the transmission network optical cable generally judges according to the preset alarm at the equipment side, obtains the approximate distance from a fault point to alarm equipment from the alarm at the equipment side, and then carries out fault survey and troubleshooting along the trend of the optical cable according to experience by maintenance personnel so as to finally position the fault point.
However, in the method for locating the fault point, under the conditions that the networking of a transmission network is complex and the monitoring blind area exists in the fault of the optical cable dummy resource, the fault location of the optical cable needs to invest a lot of manpower online for troubleshooting and field surveying, which not only consumes huge time and energy, but also leads to long fault processing time and generally long fault processing time, and as a result, causes a lot of complaints of users. In addition, in practical application, the method also lacks an end-to-end automatic monitoring means depending on big data analysis, can not find faults quickly, and has no effective means for supporting visual positioning of the faults. Especially, the transmission network is used as the foundation of the telecommunication network, the influence range of the optical cable interruption fault is large, and the method is very important for quickly finding the fault and visually positioning the fault point.
Disclosure of Invention
The invention aims to provide a method and a system for positioning a fault point of a transmission optical cable based on a GIS engine, which can find the fault in time and accurately position the fault point.
According to a first aspect of the present invention, a method for positioning a fault point of a transmission optical cable based on a GIS engine is provided, which is applied to a network element management system in an optical cable transmission network, wherein the network element management system is used for acquiring, analyzing and processing signals; the optical cable transmission network further comprises a plurality of transmission devices for transmitting and receiving signals; among the plurality of transmission devices, a transmission device that transmits a signal is called a start point transmission device, and a transmission device that receives a signal is called an end point transmission device, and the method includes: acquiring signal loss warning information and POS fiber breaking point distance warning information sent by starting point transmission equipment and end point transmission equipment for signal transmission; determining whether the optical cable transmission network has an interruption fault or not by combining the signal loss alarm information according to the topological connection relation of the network elements or ports of the plurality of transmission devices; after the optical cable transmission network is determined to have an interruption fault, carrying out optical fiber breakpoint distance diagnosis according to POS fiber break point distance warning information, carrying out GIS optical cable route serial connection, and constructing a breakpoint analysis model; and determining the physical position of the optical cable breakpoint according to the breakpoint analysis model.
In one possible example, the determining, according to the topological connection relationship among the network elements or ports of the plurality of transmission devices, whether the optical cable transmission network has the interruption fault in combination with the signal loss alarm information includes: determining starting point transmission equipment and end point transmission equipment for signal transmission; the starting point transmission equipment of signal transmission is first equipment, and the destination transmission equipment of signal transmission is second equipment; acquiring a topological connection relation between first equipment and second equipment according to the topological connection relation of a network element and a port of transmission equipment; acquiring signal loss alarm information sent by first equipment; when the first equipment and the second equipment have a topological direct connection relation, acquiring signal loss alarm information sent by the second equipment within 2 minutes before the first equipment sends the signal loss alarm information; and when the second equipment also sends out the signal loss alarm information within 2 minutes before the first equipment sends out the signal loss alarm information, determining that the optical cable between the first equipment and the second equipment has an interruption fault.
In a possible example, after acquiring the topological connection relationship between the first device and the second device according to the topological connection relationship between the network element and the port of the transmission device, the method further includes: when the topological direct connection relation does not exist between the first equipment and the second equipment, it is determined that the optical cable between the first equipment and the second equipment has no interruption fault.
In one possible example, before determining that the optical cable between the first device and the second device has the interruption fault, the method further includes: triggering a derived alarm when the second device also sends out the signal loss alarm information within 2 minutes before the first device sends out the signal loss alarm information; wherein the derived alarms are two loss of signal alarms caused by the optical cable interruption.
In one possible example, performing fiber break distance diagnostics based on the POS break distance alert information includes: extracting information of a starting point transmission device, a starting point transmission device port, an end point transmission device and an end point transmission device port of an optical cable where a fiber breaking point is located according to the distance warning information of the fiber breaking point of the POS; taking the port of the starting transmission equipment as the port of the starting service equipment of the optical cable routing resource, and taking the port of the end transmission equipment as the port of the end service of the optical cable routing resource; or, the end point transmission equipment port is used as the start point service equipment port of the optical cable routing resource, the start point transmission equipment port is used as the end point service port of the optical cable routing resource, and the optical path information between the start point transmission equipment port and the end point transmission equipment port is obtained through analysis; wherein the optical path information is unique.
In one possible example, the GIS optical cable route concatenation is carried out, and the construction of the breakpoint analysis model comprises the following steps: extracting all routing segment information on a certain optical cable and longitude and latitude information of starting points/end points of all routing segments from the optical cable routing resources according to the optical path information, and analyzing the longitude and latitude information of the starting points/end points of all routing segments on the optical cable routing resources; determining the geographical positions of all optical cable routing starting point/end point facilities on a certain optical path according to the longitude and latitude information of the starting point/end point of all routing sections on the optical cable routing resources and the information of the starting point/end point facilities of the optical cable routing sections; based on a recursive algorithm, sequentially arranging longitude and latitude information of all nodes on a certain light path; building a GIS layer, and sequentially loading longitude and latitude information of all nodes on a light path; generating GIS (geographic information System) line information according to the longitude and latitude information of the optical cable section, and adding the GIS line information to a newly-built GIS layer after setting a line presentation style; and adding the GIS map layer into the GIS map.
In one possible example, based on a recursive algorithm, the arranging the longitude and latitude information of all the nodes on a certain optical path in order comprises: calculating an optical cable segment taking the starting point transmission equipment of the optical path as a starting point, and acquiring the end point transmission equipment of the optical cable segment to obtain a first optical cable segment; calculating the optical cable segment taking the starting point transmission equipment as a starting point by taking the end point transmission equipment of the first optical cable segment as a starting point, and acquiring the end point transmission equipment of the optical cable segment to obtain a second optical cable segment; and by analogy, the calculation is finished until the end point transmission equipment of the optical cable section is the end point transmission equipment of the optical path, and the longitude and latitude information sequence arrangement of all nodes on a certain optical path is realized.
In one possible example, determining the physical location of the cable breakpoint according to the breakpoint analysis model includes: acquiring the actual distance between the optical cable break point and a starting point transmission device, namely the distance between the break point and the starting point transmission device according to the distance warning information of the POS break point; according to fault equipment information in the POS fiber breaking point distance warning information and in combination with starting point transmission equipment information in the optical cable routing resource information, obtaining starting point transmission equipment information of an external line, and further obtaining starting point transmission equipment longitude and latitude information on a GIS map; calculating the longitude and latitude information of the optical cable breakpoint by adopting an along algorithm according to the longitude and latitude information sequence, the longitude and latitude information of the starting point transmission equipment and the distance of the fiber breakpoint; and generating GIS point information according to the longitude and latitude information of the optical cable breakpoints, setting a GIS point presentation style, adding the GIS point information to a newly-built GIS layer, and presenting the physical positions of the GIS breakpoints on the original optical cable routing layer.
In one possible example, calculating the longitude and latitude information of the optical cable breaking point by using an along algorithm according to the longitude and latitude information sequence, the longitude and latitude information of the starting point transmission device and the distance of the fiber breaking point comprises the following steps:
step one, calculating the distance between the starting point transmission equipment and the first optical cable section end point transmission equipment according to the longitude and latitude information of the starting point transmission equipment and the longitude and latitude information of the first optical cable section end point transmission equipment, wherein the calculation formula is as follows:
wherein R is the radius of the earth,
the latitude of the starting point transmission equipment and the latitude of the first optical cable section end point transmission equipment are represented, and the Delta lambda is the difference value of the longitudes of the starting point transmission equipment and the first optical cable section end point transmission equipment; if the distance between the starting point transmission equipment and the first optical cable section end point transmission equipment is smaller than the distance of the fiber breaking point, repeating the step one, and calculating to obtain the length of a second optical cable section; e.g. first cable length plus secondIf the length of the optical cable section is still smaller than the distance of the fiber breaking point, repeating the step one until the sum of the lengths of the optical cable sections is larger than the distance of the fiber breaking point, and finishing the calculation;
calculating the difference between the sum of the lengths of all the optical cable sections and the distance of the fiber breaking point, and drawing a circle with the difference as the radius on a GIS map by taking the longitude and latitude of the terminal equipment of the last optical cable section as the circle center and the difference as the radius by adopting a geographic circle drawing method; and calculating to obtain longitude and latitude information of the intersection point of the optical cable segment and the circle by combining a geographical intersection algorithm, namely the longitude and latitude information of the optical cable breakpoint.
According to another aspect of the present invention, there is provided a system for accurately locating a fault point of a transmission cable based on a GIS engine, including: the transmission optical cable interruption fault identification module is used for identifying the interruption fault of the transmission network; the optical fiber breakpoint distance diagnosis module is used for diagnosing the optical fiber breakpoint distance; the GIS optical cable route serial module is used for serially connecting GIS optical cable routes; and the optical cable routing breakpoint positioning module is used for accurately positioning the physical position of the routing breakpoint.
The invention provides a method and a system for positioning a fault point of a transmission optical cable based on a GIS engine, wherein the method comprises the following steps: acquiring signal loss warning information and POS fiber breaking point distance warning information sent by starting point transmission equipment and end point transmission equipment for signal transmission; determining whether the optical cable transmission network has an interruption fault or not by combining the signal loss alarm information according to the topological connection relation of the network elements or ports of the plurality of transmission devices; after the optical cable transmission network is determined to have an interruption fault, carrying out optical fiber breakpoint distance diagnosis according to POS fiber break point distance warning information, carrying out GIS optical cable route serial connection, and constructing a breakpoint analysis model; and determining the physical position of the optical cable breakpoint according to the breakpoint analysis model. The invention realizes the accurate analysis and GIS presentation of the fault point of the transmission optical cable, solves the technical problems of optical cable interruption monitoring blind area and lack of GIS intelligent analysis of the optical cable interruption breakpoint in the prior art, can provide a basis for the positioning of the interruption fault of the transmission optical cable, and improves the satisfaction degree of telecommunication users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart of a method for locating a fault point of a transmission optical cable based on a GIS engine in an embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for determining whether an interruption fault occurs in an optical cable transmission network according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a method for constructing a breakpoint analysis model by performing fiber breakpoint distance diagnosis and GIS optical cable routing concatenation according to POS breakpoint distance warning information in the embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a method for determining a physical location of a breakpoint of an optical cable according to a breakpoint analysis model in an embodiment of the present invention;
fig. 5 is a schematic flow chart of another method for locating a fault point of a transmission cable based on a GIS engine in the embodiment of the present invention.
FIG. 6 is a schematic diagram of a system for locating a fault point of a transmission cable based on a GIS engine according to an embodiment of the present invention;
fig. 7 is a schematic diagram of another system for locating a fault point of a transmission cable based on a GIS engine in an embodiment of the present invention.
Detailed Description
In order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that the specific details need not be employed to practice the present invention. In other instances, well-known steps or operations are not described in detail to avoid obscuring the invention.
The existing method for positioning the fault of the transmission network optical cable usually judges according to the preset alarm at the equipment side, obtains the approximate distance from the fault point to the alarm equipment from the alarm at the equipment side, and then carries out fault survey and troubleshooting along the trend of the optical cable according to experience by maintenance personnel to finally position the fault point. However, in the method for positioning the fault point, under the conditions that the networking of a transmission network is complex and the monitoring blind area exists in the fault of the optical cable dummy resource, the optical cable fault positioning needs to invest a lot of manpower online for troubleshooting and field surveying, so that huge time and energy are consumed, the fault processing time is generally long, and a lot of user complaints are caused. Therefore, the present invention provides a method and a System for accurately positioning a fault point of a transmission cable based on a Geographic Information System (GIS) engine, which are used for solving the above problems.
Example one
The invention provides a method for positioning a fault point of a transmission optical cable based on a GIS engine, which is applied to an Element Management System (EMS) in an optical cable transmission network, wherein the Element Management System is used for acquiring, analyzing and processing signals; the optical cable transmission network further comprises a plurality of transmission devices for transmitting and receiving signals; among the plurality of transmission devices, a transmission device that transmits a signal is referred to as a start point transmission device, and a transmission device that receives a signal is referred to as an end point transmission device, as shown in fig. 1, the method includes:
and step S1, acquiring signal loss warning information and POS fiber breaking point distance warning information sent by the starting point transmission equipment and the end point transmission equipment of signal transmission.
In a possible embodiment, the transmission cable interruption fault recognition module may obtain, in real time, signal loss warning information sent by the start point and the end point of signal transmission, and pos (position) fiber break point distance warning information, and obtain the topological connection relationship between network elements or ports of a plurality of transmission devices in the optical cable transmission network.
Step S3, according to the topological connection relationship of the network elements or ports of the multiple transmission devices, determining whether the optical cable transmission network has an interruption fault by combining the signal loss alarm information.
Specifically, whether the optical cable transmission network has an interruption fault is judged through a combined analysis mechanism of the transmission equipment signal loss alarm information and the alarm information of the topological connection relation of the network elements and ports of the transmission network equipment, if the two network elements or ports of the starting point transmission equipment and the end point transmission equipment have a topological direct connection relation, and when the second equipment also sends out the signal loss alarm information within 2 minutes before the first equipment sends out the signal loss alarm information, the optical cable at the position is considered to possibly have the optical cable interruption fault, and at the moment, a derivative alarm signal is triggered, namely the two signal loss alarm information caused by the optical path interruption. And analyzing by an alarm joint analysis mechanism of two signal loss alarm information caused by optical path interruption and POS fiber breaking point distance alarm information, and if two signal loss alarm information caused by optical path interruption exist and the EMS reports the POS fiber breaking point distance alarm information, determining that the optical cable at the position has an optical cable interruption fault.
As shown in fig. 2, in a possible embodiment, determining whether an optical cable transmission network has an interruption fault according to a topological connection relationship between network elements or ports of a plurality of transmission devices in combination with the signal loss alarm information includes the following steps:
step S31, determining a starting point transmission device and an end point transmission device for signal transmission; the starting point transmission device of the signal transmission is a first device, and the destination transmission device of the signal transmission is a second device.
Step S33, obtaining the topological connection relationship between the first device and the second device according to the topological connection relationship between the network element and the port of the transmission device.
Step S35, acquiring the signal loss warning information sent by the first device.
Step S37, when there is a topological direct connection relationship between the first device and the second device, acquiring the signal loss warning information sent by the second device within 2 minutes before the first device sends the signal loss warning information.
Step S39, when the second device also sends the loss of signal warning message within 2 minutes before the first device sends the loss of signal warning message, it is determined that the optical cable between the first device and the second device has an interruption fault.
In a possible embodiment, after acquiring the topological connection relationship between the first device and the second device according to the topological connection relationship between the network element and the port of the transmission device, the method further includes:
step S34, when the topological direct connection relation does not exist between the first device and the second device, it is determined that the optical cable between the first device and the second device has no interruption fault, and at this time, the method is ended.
In another possible embodiment, when there is a direct topological relationship between the first device and the second device, the acquiring the loss of signal alarm information sent by the first device and the second device within 2 minutes after the first device and the second device further includes:
and step S36, when the second device does not signal the loss of signal alarm information within 2 minutes before the first device sends the loss of signal alarm information, determining that the optical cable between the first device and the second device has no interruption fault. At this point, the method is ended.
In a preferred embodiment, before determining that the optical cable between the first device and the second device has the interruption fault, the method further includes: triggering a derived alarm when the second device also sends out the signal loss alarm information within 2 minutes before the first device sends out the signal loss alarm information; wherein the derived alarms are two loss of signal alarms caused by the optical cable interruption.
And step S5, after the optical cable transmission network is determined to have the interruption fault, carrying out optical fiber breakpoint distance diagnosis according to the POS breakpoint distance warning information, carrying out GIS optical cable route serial connection, and constructing a breakpoint analysis model.
Specifically, the distance of the fiber breaking point of the POS is used for alarming, the distance of the fiber breaking point is extracted, and the distance between the breaking point and the starting end/terminal transmission equipment is analyzed. Analyzing the light path information between the starting end/terminal port according to the starting end/terminal transmission equipment and port information in the optical cable interruption alarm, judging starting end/terminal external line facility resources and starting end/terminal service equipment resources bearing the light path according to the light path information, establishing an optical cable route analysis model by combining the latitude and longitude information of the external line facility resources of the integrated resource management system and the latitude and longitude information of optical cable route sections and nodes, and completing the optical cable route concatenation based on a GIS engine. The comprehensive resource management system is an IT support system which realizes the application of full-professional network resource data management, resource networking/scheduling/distribution management, end-to-end network resource topological view and the like and provides various resource services.
In one possible embodiment, as shown in fig. 3, the fiber break distance diagnosis based on the POS fiber break distance warning information comprises the steps of:
step S51, extracting information of a starting point transmission device, a starting point transmission device port, an end point transmission device and an end point transmission device port of the optical cable where the fiber breaking point is located according to the distance warning information of the fiber breaking point of the POS;
step S52, using the port of the starting transmission device as the port of the starting service device of the optical cable routing resource, and using the port of the end transmission device as the port of the end service of the optical cable routing resource; or, the end point transmission equipment port is used as the start point service equipment port of the optical cable routing resource, the start point transmission equipment port is used as the end point service port of the optical cable routing resource, and the optical path information between the start point transmission equipment port and the end point transmission equipment port is obtained through analysis; wherein the optical path information is unique.
In one possible embodiment, the GIS optical cable routing concatenation is carried out, and the construction of the breakpoint analysis model comprises the following steps:
step S53, extracting all routing segment information on a certain optical cable and the longitude and latitude information of the starting point/the ending point of all routing segments from the optical cable routing resources according to the optical path information, and analyzing the longitude and latitude information of the starting point/the ending point of all routing segments on the optical cable routing resources;
step S54, according to the longitude and latitude information of the starting point/the ending point of all the route sections on the optical cable route resources, the geographical position of the starting point/the ending point facility of all the optical cable routes on a certain optical path is determined by combining the starting point/the ending point facility information of the optical cable route sections;
step S55, based on recursive algorithm, arranging longitude and latitude information of all nodes on a certain light path in sequence;
step S56, newly building a GIS layer, and sequentially loading longitude and latitude information of all nodes on a light path;
step S57, generating GIS wire information according to the longitude and latitude information of the optical cable segment, and adding the GIS wire information to a newly-built GIS layer after setting the wire presentation style;
and step S58, adding the GIS map layer to the GIS map.
Preferably, the step S55, based on the recursive algorithm, of arranging the longitude and latitude information of all nodes on a certain optical path in order further includes the following steps:
step S551, taking the starting point transmission equipment of the light path as a starting point, calculating the optical cable segment taking the starting point transmission equipment as a starting point, and acquiring the end point transmission equipment of the optical cable segment to obtain a first optical cable segment;
step S552, using the end point transmission device of the first optical cable segment as a starting point to obtain a second optical cable segment;
and step S553, by analogy, continuing to use the end point transmission device of the second cable segment as the starting point, calculating the cable segment using the starting point transmission device as the starting point, obtaining the end point transmission device of the cable segment, and ending the calculation until the end point transmission device of the cable segment is used as the end point transmission device of the optical path, thereby realizing the sequential arrangement of the longitude and latitude information of all the nodes on the certain optical path.
And step S7, determining the physical position of the optical cable breakpoint according to the breakpoint analysis model.
Specifically, the length of the optical cable route segment is calculated by combining an along algorithm according to the optical cable route segment and the longitude and latitude information of the nodes in the integrated resource management system, and an optical cable route breakpoint analysis model is established according to the POS fiber breakpoint distance and the starting end/terminal transmission equipment information in the optical cable interruption alarm, so that the breakpoint position analysis based on the GIS map optical cable route is realized. The comprehensive resource management system is an IT support system which realizes the application of full-professional network resource data management, resource networking/scheduling/distribution management, end-to-end network resource topological view and the like and provides various resource services.
As shown in fig. 4, in one possible embodiment, determining the physical location of the optical cable breakpoint based on the breakpoint analysis model includes the steps of:
step S71, acquiring the actual distance between the optical cable break point and the starting point transmission equipment, namely the distance between the break point and the starting point transmission equipment according to the distance warning information of the POS break point;
step S73, according to fault equipment information in the POS fiber breaking point distance warning information, combining starting point transmission equipment information in the optical cable routing resource information to obtain external line starting point transmission equipment information, and further obtaining starting point transmission equipment longitude and latitude information on a GIS map;
step S75, calculating the longitude and latitude information of the optical cable breakpoint by adopting an along algorithm according to the longitude and latitude information sequence, the longitude and latitude information of the starting point transmission equipment and the distance of the fiber breakpoint;
and step S77, generating GIS point information according to the longitude and latitude information of the optical cable breakpoints, adding the GIS point information to a newly-built GIS layer after setting the GIS point presentation style, and presenting the physical positions of the GIS breakpoints on the original optical cable routing layer.
Preferably, in step S75, calculating the longitude and latitude information of the optical cable breaking point by using an along algorithm according to the longitude and latitude information sequence, the longitude and latitude information of the starting point transmission device, and the distance of the fiber breaking point, further includes the following steps:
step one, calculating the distance between the starting point transmission equipment and the first optical cable section end point transmission equipment according to the longitude and latitude information of the starting point transmission equipment and the longitude and latitude information of the first optical cable section end point transmission equipment, wherein the calculation formula is as follows:
wherein R is the radius of the earth,
the latitude of the starting point transmission equipment and the latitude of the first optical cable section end point transmission equipment are represented, and the Delta lambda is the difference value of the longitudes of the starting point transmission equipment and the first optical cable section end point transmission equipment;
if the distance between the starting point transmission equipment and the first optical cable section end point transmission equipment is smaller than the distance of the fiber breaking point, repeating the step one, and calculating to obtain the length of a second optical cable section; if the length of the first optical cable section and the length of the second optical cable section are still smaller than the distance of the fiber breaking point, repeating the step one until the sum of the lengths of the optical cable sections is larger than the distance of the fiber breaking point, and finishing the calculation;
calculating the difference between the sum of the lengths of all the optical cable sections and the distance of the fiber breaking point, and drawing a circle with the difference as the radius on a GIS map by taking the longitude and latitude of the terminal equipment of the last optical cable section as the circle center and the difference as the radius by adopting a geographic circle drawing method; and calculating to obtain longitude and latitude information of the intersection point of the optical cable segment and the circle by combining a geographical intersection algorithm, namely the longitude and latitude information of the optical cable breakpoint.
As shown in fig. 5, in a further alternative embodiment, in step S7, after determining the physical location of the optical cable breakpoint according to the breakpoint analysis model, the method may further include:
and step S9, displaying the physical position of the optical cable breakpoint on the display screen. A visual geo-location image is provided for the control center.
Example two
The invention also provides a system for positioning the fault point of the transmission optical cable based on the GIS engine, as shown in fig. 6, comprising: the system comprises a transmission optical cable interruption fault identification module 201, an optical fiber breakpoint distance diagnosis module 202, a GIS optical cable route concatenation module 203 and an optical cable route breakpoint positioning module 204, wherein the transmission optical cable interruption fault identification module 201 is used for identifying interruption faults of a transmission network; the fiber breakpoint distance diagnosis module 202 is configured to diagnose a fiber breakpoint distance; the GIS optical cable route concatenation module 203 is used for the concatenation of GIS optical cable routes; the optical cable routing breakpoint positioning module 204 is configured to accurately position a physical location of a routing breakpoint.
In a further optional embodiment, the system may further comprise: and the visualization system module 205 is used for displaying the physical position of the optical cable breakpoint.
EXAMPLE III
As shown in fig. 7, in a specific embodiment, the transmission cable interruption fault recognition module may obtain the signal loss alarm information and the POS fiber break point distance alarm information in the cable transmission network, arrange the alarm information to form an equipment fiber break alarm queue, perform analysis by using a fault system alarm analysis service, enter an alarm association queue after the analysis, and perform alarm cleaning in the alarm association queue to obtain the alarm information and the equipment information associated with the break point. The alarm information is input into a big data analysis model after being diagnosed by the distance between the fiber breakpoints; and then serially connecting the equipment information through a GIS optical cable route, obtaining optical cable route segment and node longitude and latitude information by combining the external line resource incidence relation in the integrated resource management system, inputting the optical cable route segment and the node longitude and latitude information into a big data analysis model, inputting the external line resource longitude and latitude information in the integrated resource management system into the big data analysis model, constructing an optical cable route breakpoint analysis model, realizing breakpoint position analysis based on the GIS map optical cable route by combining an along algorithm, and determining the physical position of the breakpoint in the optical cable.
The invention realizes the accurate analysis and GIS presentation of the fault point of the transmission optical cable, solves the technical problems of optical cable interruption monitoring blind area and lack of GIS intelligent analysis of the optical cable interruption breakpoint in the prior art, can provide a basis for the positioning of the interruption fault of the transmission optical cable, and improves the satisfaction degree of telecommunication users.
The respective technical features described above may be arbitrarily combined. Although not all possible combinations of features are described, any combination of features should be considered to be covered by the present specification as long as there is no contradiction between such combinations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for positioning fault points of a transmission optical cable based on a GIS engine is applied to a network element management system in an optical cable transmission network, wherein the network element management system is used for acquiring, analyzing and processing signals; the optical cable transmission network further comprises a plurality of transmission devices for transmitting and receiving signals; among the plurality of transmission apparatuses, a transmission apparatus that transmits a signal is referred to as a start-point transmission apparatus, and a transmission apparatus that receives a signal is referred to as an end-point transmission apparatus, and the method includes:
acquiring signal loss warning information and POS fiber breaking point distance warning information sent by the starting point transmission equipment and the end point transmission equipment for signal transmission;
determining whether the optical cable transmission network has an interruption fault or not by combining the signal loss alarm information according to the topological connection relation of the network elements or the ports of the plurality of transmission devices;
after the optical cable transmission network is determined to have an interruption fault, carrying out optical fiber breakpoint distance diagnosis according to POS fiber break point distance warning information, carrying out GIS optical cable route serial connection, and constructing a breakpoint analysis model;
and determining the physical position of the optical cable breakpoint according to the breakpoint analysis model.
2. The method of claim 1, wherein the determining, according to the topological connection relationship among the network elements or ports of the plurality of transmission devices, whether the optical cable transmission network has the outage fault in combination with the signal loss alarm information includes:
determining starting point transmission equipment and end point transmission equipment for signal transmission; the starting point transmission equipment of the signal transmission is first equipment, and the destination transmission equipment of the signal transmission is second equipment;
acquiring a topological connection relation between the first equipment and the second equipment according to the topological connection relation of the network element and the port of the transmission equipment;
acquiring signal loss alarm information sent by the first equipment;
when the first equipment and the second equipment have a topological direct connection relation, acquiring signal loss alarm information sent by the second equipment within 2 minutes before the first equipment sends the signal loss alarm information;
and when the second equipment also sends out the signal loss warning information within 2 minutes before the first equipment sends out the signal loss warning information, determining that the optical cable between the first equipment and the second equipment has an interruption fault.
3. The method of claim 2, wherein the obtaining the topological connection relationship between the first device and the second device according to the topological connection relationship between the network element and the port of the transmission device further comprises:
when the topological direct connection relation does not exist between the first equipment and the second equipment, it is determined that the optical cable between the first equipment and the second equipment has no interruption fault.
4. The method of claim 2, further comprising, prior to said determining that the optical cable between the first device and the second device has the break fault:
triggering a derived alarm when the second device also sends out the signal loss alarm information within 2 minutes before the first device sends out the signal loss alarm information; wherein the derived alarms are two signal loss alarms caused by the optical cable interruption.
5. The method of claim 1, wherein the diagnosing the fiber break distance based on the POS break distance alert information comprises:
extracting information of a starting point transmission device, a starting point transmission device port, an end point transmission device and an end point transmission device port of an optical cable where a fiber breaking point is located according to the distance warning information of the fiber breaking point of the POS;
taking the port of the starting transmission equipment as the port of the starting service equipment of the optical cable routing resource, and taking the port of the end transmission equipment as the port of the end service of the optical cable routing resource; or the like, or, alternatively,
taking the port of the destination transmission equipment as the port of the starting point service equipment of the optical cable routing resource, taking the port of the starting point transmission equipment as the port of the destination service equipment of the optical cable routing resource, and analyzing to obtain the optical path information between the port of the starting point transmission equipment and the port of the destination transmission equipment; wherein the optical path information is unique.
6. The method of claim 5, wherein the performing GIS fiber optic cable route concatenation and constructing a breakpoint analysis model comprises:
extracting all routing segment information on a certain optical cable and longitude and latitude information of starting points/end points of all routing segments from the optical cable routing resources according to the optical path information, and analyzing the longitude and latitude information of the starting points/end points of all routing segments on the optical cable routing resources;
determining the geographical positions of the starting point/end point facilities of all optical cable routing sections on a certain optical path by combining the starting point/end point facility information of the optical cable routing section resources according to the longitude and latitude information of the starting point/end point of all the routing sections on the optical cable routing resources;
based on a recursive algorithm, sequentially arranging longitude and latitude information of all nodes on a certain light path;
building a GIS layer, and sequentially loading longitude and latitude information of all nodes on a light path;
generating GIS line information according to the longitude and latitude information of the optical cable segment, and adding the GIS line information to a newly-built GIS layer after setting a line presentation style;
and adding the GIS map layer into a GIS map.
7. The method of claim 6, wherein the arranging the longitude and latitude information of all nodes on a certain optical path in order based on the recursive algorithm comprises:
calculating an optical cable segment taking the starting point transmission equipment of the optical path as a starting point, and acquiring the end point transmission equipment of the optical cable segment to obtain a first optical cable segment;
calculating the optical cable segment taking the starting point transmission equipment as a starting point by taking the end point transmission equipment of the first optical cable segment as a starting point, and acquiring the end point transmission equipment of the optical cable segment to obtain a second optical cable segment;
and by analogy, the calculation is finished until the end point transmission equipment of the optical cable section is the end point transmission equipment of the optical path, and the longitude and latitude information sequence arrangement of all nodes on a certain optical path is realized.
8. The method of claim 7, wherein determining a cable breakpoint physical location according to the breakpoint analysis model comprises:
acquiring the actual distance between the optical cable break point and a starting point transmission device, namely the distance between the break point and the starting point transmission device according to the distance warning information of the POS break point;
according to fault equipment information in the POS fiber breaking point distance warning information and in combination with starting point transmission equipment information in the optical cable routing resource information, obtaining starting point transmission equipment information of an external line, and further obtaining starting point transmission equipment longitude and latitude information on a GIS map;
calculating the longitude and latitude information of the optical cable breakpoint by adopting an along algorithm according to the longitude and latitude information sequence, the longitude and latitude information of the starting point transmission equipment and the distance of the fiber breakpoint;
and generating GIS point information according to the longitude and latitude information of the optical cable breakpoints, setting a GIS point presentation style, adding the GIS point information to a newly-built GIS layer, and presenting the physical positions of the GIS breakpoints on the original optical cable routing layer.
9. The method of claim 8, wherein calculating the longitude and latitude information of the optical cable breaking point by using an along algorithm according to the longitude and latitude information sequence, the longitude and latitude information of the starting point transmission device and the distance of the fiber breaking point comprises:
step one, calculating the distance between the starting point transmission equipment and the first optical cable section end point transmission equipment according to the longitude and latitude information of the starting point transmission equipment and the longitude and latitude information of the first optical cable section end point transmission equipment, wherein the calculation formula is as follows:
wherein R is the radius of the earth,
transmission equipment for indicating starting point and transmission equipment for indicating end point of first optical cable sectionΔ λ is a difference between the longitude of the starting transmission device and the longitude of the end transmission device of the first optical cable segment;
if the distance between the starting point transmission equipment and the first optical cable section end point transmission equipment is smaller than the distance of the fiber breaking point, repeating the step one, and calculating to obtain the length of a second optical cable section; if the length of the first optical cable section and the length of the second optical cable section are still smaller than the distance of the fiber breaking point, repeating the step one until the sum of the lengths of the optical cable sections is larger than the distance of the fiber breaking point, and finishing the calculation;
calculating the difference between the sum of the lengths of all the optical cable sections and the distance of the fiber breaking point, and drawing a circle with the difference as the radius on a GIS map by taking the longitude and latitude of the terminal equipment of the last optical cable section as the circle center and the difference as the radius by adopting a geographic circle drawing method; and calculating to obtain longitude and latitude information of the intersection point of the optical cable segment and the circle by combining a geographical intersection algorithm, namely the longitude and latitude information of the optical cable breakpoint.
10. A system for locating a fault point of a transmission optical cable based on a GIS engine, which is applied to the method of any one of claims 1 to 9, and comprises:
the transmission optical cable interruption fault identification module is used for identifying the interruption fault of the transmission network;
the optical fiber breakpoint distance diagnosis module is used for diagnosing the optical fiber breakpoint distance;
the GIS optical cable route serial module is used for serially connecting GIS optical cable routes;
and the optical cable routing breakpoint positioning module is used for accurately positioning the physical position of the routing breakpoint.
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