An intelligent algorithm and system for trunk optical cable positioning based on geographic information system

Abstract

The present invention provides an intelligent algorithm and system for locating a trunk optical cable based on a geographic information system, comprising an optical time domain reflectometer and a dust cap, wherein an optical output port is installed on the top of the optical time domain reflectometer, and the dust cap comprises an extraction rod, a connecting sleeve and a cleaning seat, wherein the extraction rod is fixedly installed on the top of the connecting sleeve, an extraction channel is provided in the extraction rod, and a movable seat is movably installed in the extraction channel. The intelligent system for locating a trunk optical cable based on a geographic information system is reasonably designed, and after the cleaning seat of the dust cap reaches the bottom of the optical output port and expands, while the connecting sleeve continues to be sleeved on the optical output port, the cleaning seat can move in the opposite direction toward the outlet of the optical output port, and in the process, the optical output port is cleaned from the inside out, thereby effectively preventing dust from gathering in the optical output port and improving the cleaning effect.

Description

Technical Field

[0001] The invention belongs to the technical field of optical cable real-time monitoring, and in particular relates to an intelligent algorithm and system for trunk optical cable positioning based on a geographic information system. Background Art

[0002] In the real-time monitoring of optical cables, when an optical cable fails or is disconnected, the OTDR (Optical Time Domain Reflectometer) will be automatically started in the monitoring room to test the optical fiber loss performance of the optical cable. The breakpoint distance of the optical cable is obtained by analyzing the test curve of the OTDR (Optical Time Domain Reflectometer). This position is the optical distance of the optical fiber of the optical cable. The actual breakpoint position of the optical cable is found and located in reality through this distance length for emergency repair and maintenance. Because the length of a whole section of optical cable is as long as tens of kilometers, the optical cable is laid in underground pipelines and poles and will be coiled at a certain node position, and there will also be the influence of the terrain altitude difference, so the tens of kilometers of optical cable cannot be evenly distributed within the entire length of the optical cable. At present, the positioning of a breakpoint or fault point in the entire optical cable has the disadvantages of poor accuracy and large positioning error. The length of the location of the optical cable breakpoint is an optical length starting from the monitoring room. The length corresponds to the actual geographic coordinate position, which is not accurate enough. It will take a lot of effort for network maintenance personnel to find the actual optical cable breakpoint location based on this length. It often requires multiple back and forth tests and back and forth inspections in a section of the optical cable to finally determine the optical cable fault point and breakpoint location. The work efficiency is very low. Therefore, the present invention proposes an intelligent algorithm and system for trunk optical cable positioning based on a geographic information system. Summary of the invention

[0003] In order to solve the problems existing in the prior art, the present invention provides an intelligent algorithm and system for trunk optical cable positioning based on a geographic information system. The intelligent system for trunk optical cable positioning based on a geographic information system is reasonably designed. After the cleaning seat of the dust cap reaches the bottom of the optical output port and expands, while the connecting sleeve continues to be sleeved on the optical output port, the cleaning seat can move in the opposite direction toward the outlet of the optical output port, and in this process, the optical output port is cleaned from the inside out, which can effectively prevent dust from gathering in the optical output port and improve the cleaning effect.

[0004] In order to achieve the above object, the present invention is implemented through the following technical solution: an intelligent algorithm for trunk optical cable positioning based on geographic information system, the specific steps are as follows:

[0005] Step 1: Segmented detection of the splice points; although the entire optical cable is tens of kilometers long, it is spliced ​​through a 3-kilometer segment. The actual length of each splice point is tested and recorded by an optical time domain reflectometer, and the location coordinates of the splice point are also measured and recorded by GPS;

[0006] Step 2: Collecting the coordinates of landmarks: The geographical coordinates of the pipe wells, poles, and landmarks that the optical cable passes through are collected and saved through GPS. The length of the optical cable coiled on a certain well or pole is also recorded;

[0007] Step 3: Segment positioning: When positioning based on the optical length of the tested optical cable, the length of each optical cable segment is automatically calculated based on the long cable length recorded at each fusion point on the optical cable. The length of each optical cable segment is subtracted from the starting point of the optical cable in turn to locate a specific optical cable segment.

[0008] Step 4: Locate the markers; at the same time, automatically calculate the length between each section of the pipeline and the pole according to the wells and poles that the optical cable section passes through. Starting from the starting point of the optical cable section, subtract the distance between the pipelines and poles that the optical cable passes through in turn, and also subtract the length of the optical cable recorded on the well or pole. In this way, the breakpoint of the optical cable can be located between two wells or poles.

[0009] Step 5: Accurate positioning; the distance between wells or poles is usually very short, only a few dozen meters. Then the position of the optical cable breakpoint is calculated proportionally based on the remaining length of the optical cable and the distance between the well poles. In this way, the actual position of the optical cable can be accurately located based on the optical length of the optical cable.

[0010] An intelligent system for locating trunk optical cables based on a geographic information system comprises an optical time domain reflectometer and a dust cap, wherein an optical output port is installed on the top of the optical time domain reflectometer, and the dust cap comprises an extraction rod, a connecting sleeve and a cleaning seat, wherein the extraction rod is fixedly installed on the top of the connecting sleeve, an extraction channel is provided in the extraction rod, a movable seat is movably installed in the extraction channel, a movable ring is movably installed in the connecting sleeve, a spring is fixedly connected to the top of the movable ring, one end of the spring is fixedly connected to the inner side wall of the top of the connecting sleeve, a push rod and an inner extraction tube are fixedly connected to the top of the movable ring, a through hole is provided at the bottom of the extraction rod at a position corresponding to the push rod, one end of the push rod passes through the through hole and is fixedly connected to the movable seat, and a through hole is provided at the bottom of the extraction rod at a position corresponding to the inner extraction tube , one end of the inner extraction tube passes through the through hole and extends into the extraction channel, a limiting tube is fixedly installed at the bottom of the movable ring, one end of the telescopic rod passes through the limiting tube and the movable ring and extends into the inner extraction tube, the cleaning seat comprises a mounting seat and a rubber cleaning expansion ring, an annular expansion groove is opened on the outer side of the mounting seat, the rubber cleaning expansion ring is fixedly installed in the annular expansion groove and is connected to the annular expansion groove, a convex telescopic groove is opened at the center position of the top of the mounting seat, one end of the telescopic rod passes through the open end of the convex telescopic groove and extends into the convex telescopic groove, an end of the telescopic rod in the convex telescopic groove is fixedly installed with a movable magnet seat, a fixed magnet seat is fixedly installed on the inner side wall of the bottom of the convex telescopic groove, the convex telescopic groove is connected to the annular expansion groove, and the diameter of the extraction channel is larger than the inner extraction tube.

[0011] As a preferred embodiment of the present invention, the inner extraction pipe, the extraction channel, the convex expansion groove and the annular expansion groove are all filled with hydraulic oil.

[0012] As a preferred embodiment of the present invention, the magnetic poles of the movable magnet seat and the fixed magnet seat are opposite to each other.

[0013] As a preferred embodiment of the present invention, the number of the push rod and the number of the spring are both 2.

[0014] As a preferred implementation manner of the present invention, the connecting sleeve is sleeved on the light output port.

[0015] Beneficial effects of the invention: An intelligent system for trunk optical cable positioning based on a geographic information system of the invention comprises an optical time domain reflectometer, a dust cap, an optical output port, an extraction rod, a connecting sleeve, a cleaning seat, an extraction channel, a movable seat, a movable ring, a spring, a push rod, an inner extraction tube, a limit tube, a telescopic rod, a mounting seat, a rubber cleaning expansion ring, a convex telescopic groove, a fixed magnet seat, a movable magnet seat and an annular expansion groove.

[0016] 1. After the cleaning seat of the dust cap of the intelligent system for locating trunk optical cables based on geographic information systems reaches the bottom of the optical output port and expands, while the connecting sleeve continues to be sleeved on the optical output port, the cleaning seat can move in the opposite direction toward the outlet of the optical output port, and in this process, the optical output port is cleaned from the inside out, which can effectively prevent dust from gathering in the optical output port and improve the cleaning effect.

[0017] 2. The rubber cleaning expansion ring of the cleaning seat of the intelligent system for trunk optical cable positioning based on the geographic information system can expand outward, so that the cleaning seat basically does not contact the inner wall of the optical output port when entering the optical output port. When the cleaning seat comes out of the optical output port, the rubber cleaning expansion ring expands and fits the inner wall of the optical output port for cleaning. At this time, the rubber cleaning expansion ring can maintain a stable expansion state under the cooperation of the movable magnet seat and the fixed magnet seat. When manual intervention occurs, the rubber cleaning expansion ring of the cleaning seat is reset and can be used again.

[0018] 3. This intelligent algorithm for locating the trunk optical cable based on the geographic information system decomposes the length of the optical cable into each pipe shaft and each pole through which the entire optical cable passes, while taking into account the length of the optical cable coil. In this way, the actual optical cable breakpoint can be located very accurately according to the optical distance of the optical cable. After receiving the location information, the maintenance personnel can directly reach the fault point for emergency repairs, without having to test and troubleshoot back and forth on the line to locate the fault point, which greatly shortens the emergency repair time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of an intelligent system for trunk optical cable positioning based on geographic information system;

[0020] Figure 2 A schematic diagram of the structure of an optical time domain reflectometer for an intelligent system for locating trunk optical cables based on a geographic information system;

[0021] Figure 3 A schematic diagram of a dust cap structure for an intelligent system for locating trunk optical cables based on a geographic information system;

[0022] Figure 4 A schematic cross-sectional view of a dust cap of an intelligent system for locating trunk optical cables based on a geographic information system;

[0023] Figure 5 A schematic diagram of the cleaning seat structure of an intelligent system for trunk optical cable positioning based on a geographic information system;

[0024] Figure 6 A schematic cross-sectional view of a cleaning seat of an intelligent system for locating trunk optical cables based on a geographic information system;

[0025] Figure 7A flowchart of an intelligent algorithm for locating trunk optical cables based on a geographic information system;

[0026] In the figure: 1.1, optical time domain reflectometer; 2. dust cap; 3. optical output port; 4. extraction rod; 5. connecting sleeve; 6. cleaning seat; 7. extraction channel; 8. movable seat; 9. movable ring; 10. spring; 11. push rod; 12. inner extraction tube; 13. limiting tube; 14. telescopic rod; 15. mounting seat; 16. rubber cleaning expansion ring; 17. convex telescopic groove; 18. fixed magnet seat; 19. movable magnet seat; 20. annular expansion groove. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] See also Figures 1 to 7 The present invention provides a technical solution: an intelligent algorithm for locating trunk optical cables based on a geographic information system, and the specific steps are as follows:

[0029] Step 1: Segmented detection of the splice points; although the entire optical cable is tens of kilometers long, the entire optical cable is spliced ​​through a 3-kilometer optical cable segment. The actual length of each splice point is tested and recorded by an optical time domain reflectometer 1, and the position coordinates of the splice point are also measured and recorded by GPS;

[0030] Step 2: Collecting the coordinates of landmarks: The geographical coordinates of the pipe wells, poles, and landmarks that the optical cable passes through are collected and saved through GPS. The length of the optical cable coiled on a certain well or pole is also recorded;

[0031] Step 3: Segment positioning: When positioning based on the optical length of the tested optical cable, the length of each optical cable segment is automatically calculated based on the long cable length recorded at each fusion point on the optical cable. The length of each optical cable segment is subtracted from the starting point of the optical cable in turn to locate a specific optical cable segment.

[0032] Step 4: Locate the markers; at the same time, automatically calculate the length between each section of the pipeline and the pole according to the wells and poles that the optical cable section passes through. Starting from the starting point of the optical cable section, subtract the distance between the pipelines and poles that the optical cable passes through in turn, and also subtract the length of the optical cable recorded on the well or pole. In this way, the breakpoint of the optical cable can be located between two wells or poles.

[0033] Step 5: Accurate positioning; the distance between wells or poles is usually very short, only a few dozen meters. Then the position of the optical cable breakpoint is calculated in proportion to the remaining length of the optical cable and the distance between the well poles. In this way, the actual position of the optical cable can be accurately located according to the optical length of the optical cable. This algorithm decomposes the length of the optical cable into each pipe well and each pole that the entire optical cable passes through, while taking into account the length of the cable reel. In this way, the actual position of the optical cable breakpoint can be located very accurately according to the optical distance of the optical cable. After receiving the location information, the maintenance personnel can go directly to the fault point to carry out emergency repairs. There is no need to locate the fault point by testing and troubleshooting back and forth on the line, which greatly shortens the emergency repair time.

[0034] An intelligent system for locating trunk optical cables based on a geographic information system comprises an optical time domain reflectometer 1 and a dust cap 2, wherein an optical output port 3 is installed on the top of the optical time domain reflectometer 1, and the dust cap 2 comprises an extraction rod 4, a connecting sleeve 5 and a cleaning seat 6, wherein the extraction rod 4 is fixedly installed on the top of the connecting sleeve 5, an extraction channel 7 is provided in the extraction rod 4, a movable seat 8 is movably installed in the extraction channel 7, a movable ring 9 is movably installed in the connecting sleeve 5, a spring 10 is fixedly connected to the top of the movable ring 9, one end of the spring 10 is fixedly connected to the inner side wall of the top of the connecting sleeve 5, a top rod 11 and an inner extraction tube 12 are fixedly connected to the top of the movable ring 9, a through hole is provided at the bottom of the extraction rod 4 at a position corresponding to the top rod 11, one end of the top rod 11 passes through the through hole and is fixedly connected to the movable seat 8, a through hole is provided at the bottom of the extraction rod 4 at a position corresponding to the inner extraction tube 12, and the inner extraction tube 12 is provided with a through hole. One end passes through the through hole and extends into the extraction channel 7. A limiting tube 13 is fixedly installed at the bottom of the movable ring 9. One end of the telescopic rod 14 passes through the limiting tube 13 and the movable ring 9 and extends into the inner extraction tube 12. The cleaning seat 6 includes a mounting seat 15 and a rubber cleaning expansion ring 16. An annular expansion groove 20 is provided on the outer side of the mounting seat 15. The rubber cleaning expansion ring 16 is fixedly installed in the annular expansion groove 20 and is connected to the annular expansion groove 20. A convex telescopic groove 17 is provided at the center position of the top of the mounting seat 15. One end of the telescopic rod 14 passes through the open end of the convex telescopic groove 17 and extends into the convex telescopic groove 17. A movable magnet seat 19 is fixedly installed on one end of the telescopic rod 14 in the convex telescopic groove 17. A fixed magnet seat 18 is fixedly installed on the inner side wall of the bottom of the convex telescopic groove 17. The convex telescopic groove 17 is connected to the annular expansion groove 20. The diameter of the extraction channel 7 is larger than the inner extraction tube 12.

[0035] As a preferred embodiment of the present invention, the inner extraction pipe 12, the extraction channel 7, the convex expansion groove 17 and the annular expansion groove 20 are all filled with hydraulic oil.

[0036] As a preferred embodiment of the present invention, the magnetic poles of the movable magnet seat 19 and the fixed magnet seat 18 are opposite to each other.

[0037] As a preferred embodiment of the present invention, the number of the push rod 11 and the number of the spring 10 are both two.

[0038] As a preferred embodiment of the present invention, the connecting sleeve 5 is sleeved on the light output port 3 .

[0039] As a preferred embodiment of the present invention, after the use of the optical time domain reflectometer 1 is completed, the dust cap 2 is placed on the optical output port 3 for protection. First, the cleaning seat 6 of the dust cap 2 is inserted into the optical output port 3, and the cleaning seat 6 first reaches the bottom of the optical output port 3. The connecting sleeve 5 is then installed, and the telescopic rod 14 begins to drive the movable magnet seat 19 to move into the convex telescopic groove 17. At this time, the rubber cleaning expansion ring 16 begins to expand. When the movable magnet seat 19 contacts the fixed magnet seat 18, the movable magnet seat 19 and the fixed magnet seat 18 are adsorbed together, and the rubber cleaning expansion ring 16 maintains a stable expansion state, so that the cleaning seat 6 basically does not contact the inner wall of the optical output port 3 when entering the optical output port 3. Then the inner extraction tube 12 begins to move into the extraction channel 7. At the same time, the top rod 11 moves the movable seat 8 to The extraction channel 7 is pushed and moved. Since the diameter of the extraction channel 7 is larger than the diameter of the inner extraction tube 12, the hydraulic oil in the inner extraction tube 12 is quickly sucked into the extraction channel 7, and then the telescopic rod 14 is sucked into the inner extraction tube 12. The cleaning seat 6 can move in the opposite direction toward the outlet of the light output port 3, and in the process, the light output port 3 is cleaned from the inside to the outside, which can effectively prevent dust from gathering in the light output port 3 and improve the cleaning effect. When the cleaning seat 6 comes out of the light output port 3, the rubber cleaning expansion ring 16 expands and fits the inner wall of the light output port 3 for cleaning. At this time, the rubber cleaning expansion ring 16 can maintain a stable expansion state under the cooperation of the movable magnet seat 19 and the fixed magnet seat 18. When manual intervention occurs, the rubber cleaning expansion ring 16 of the cleaning seat 6 is reset and can be used again.

[0040] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An intelligent calculation method for trunk optical cable positioning based on geographic information system, characterized in that: The specific steps are as follows: Step 1: Segmented detection of the splice points; although the entire optical cable is tens of kilometers long, it is spliced ​​through a 3-kilometer segment. The actual length of each splice point is tested and recorded by an optical time domain reflectometer, and the location coordinates of the splice point are also measured and recorded by GPS; Step 2: Collection of marker coordinates; the geographical coordinates of the pipe wells, poles, and marker stones that the optical cable passes through are collected and saved through GPS; the length of the optical cable coiled on a certain well or pole is also recorded; Step 3: Segment positioning: When positioning based on the optical length of the tested optical cable, the length of each optical cable segment is automatically calculated based on the long cable length recorded at each fusion point on the optical cable. The length of each optical cable segment is subtracted from the starting point of the optical cable in turn to locate a specific optical cable segment. Step 4: Locate the markers; at the same time, automatically calculate the length between each section of the pipeline and the pole according to the wells and poles that the optical cable section passes through. Starting from the starting point of the optical cable section, subtract the distance between the pipelines and poles that the optical cable passes through in turn, and also subtract the length of the optical cable recorded on the well or pole. In this way, the breakpoint of the optical cable can be located between two wells or poles. Step 5: Accurate positioning; the distance between wells or poles is usually very short, only a few dozen meters. Then the position of the optical cable breakpoint is calculated proportionally based on the remaining length of the optical cable and the distance between the well poles. In this way, the actual position of the optical cable can be accurately located based on the optical length of the optical cable.

2. An intelligent system for locating trunk optical cables based on a geographic information system, comprising an optical time domain reflectometer (1) and a dust cap (2), characterized in that: The optical time domain reflectometer (1) is provided with a light output port (3) at the top, and the dust cap (2) comprises an extraction rod (4), a connecting sleeve (5) and a cleaning seat (6). The extraction rod (4) is fixedly mounted on the top of the connecting sleeve (5), an extraction channel (7) is provided in the extraction rod (4), a movable seat (8) is movably mounted in the extraction channel (7), a movable ring (9) is movably mounted in the connecting sleeve (5), a spring (10) is fixedly connected to the top of the movable ring (9), and one end of the spring (10) is fixedly connected to the inner side wall of the top of the connecting sleeve (5). The movable ring (9) is fixedly connected with a push rod (11) and an inner extraction tube (12) at the top thereof; a through hole is provided at a position corresponding to the push rod (11) at the bottom of the extraction rod (4); one end of the push rod (11) passes through the through hole and is fixedly connected to the movable seat (8); a through hole is provided at a position corresponding to the inner extraction tube (12) at the bottom of the extraction rod (4); one end of the inner extraction tube (12) passes through the through hole and extends into the extraction channel (7); a limiting tube (13) is fixedly installed at the bottom of the movable ring (9); one end of the telescopic rod (14) passes through the limiting tube ( 13) and a movable ring (9) and extending into the inner extraction tube (12), the cleaning seat (6) comprising a mounting seat (15) and a rubber cleaning expansion ring (16), an annular expansion groove (20) being provided on the outer side of the mounting seat (15), the rubber cleaning expansion ring (16) being fixedly mounted in the annular expansion groove (20) and communicating with the annular expansion groove (20), a convex telescopic groove (17) being provided at the center position of the top of the mounting seat (15), one end of the telescopic rod (14) passing through the open end of the convex telescopic groove (17) and extending into the convex telescopic groove (17), A movable magnet seat (19) is fixedly mounted on one end of the telescopic rod (14) in the convex telescopic groove (17); a fixed magnet seat (18) is fixedly mounted on the inner side wall of the bottom of the convex telescopic groove (17); the convex telescopic groove (17) is connected to the annular expansion groove (20); the diameter of the extraction channel (7) is larger than that of the inner extraction tube (12); the inner extraction tube (12), the extraction channel (7), the convex telescopic groove (17) and the annular expansion groove (20) are all filled with hydraulic oil; and the magnetic poles of the movable magnet seat (19) and the fixed magnet seat (18) are opposite on one side.

3. The intelligent system for locating trunk optical cables based on geographic information system according to claim 2, characterized in that: The number of the push rod (11) and the number of the spring (10) are both two.

4. The intelligent system for locating trunk optical cables based on geographic information system according to claim 2 is characterized in that: The connecting sleeve (5) is sleeved on the light output port (3).

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