Optical cable route detection method

Abstract

Compared with the conventional technology that an OTDR instrument is adopted at present, and the length of a target optical cable and the length of an optical fiber can be determined only by opening a well lid to bend the optical cable, the optical cable route detection method provided by the invention has the advantages that through a distributed optical cable on-line monitoring system, a DVS host and matched APP and Internet technologies; through on-site knock test and latitude and longitude data collection at each manhole and overhead rod, the accurate trend of the optical cable, each coiling position and length, welding box positioning information, and real optical fiber skin length data of each point location can be obtained and arranged into a complete optical cable routing data table and an electronic map, and the related information of the communication optical cable site can be truly restored. Therefore, when the optical cable has faults such as interruption or large attenuation, the management and operation and maintenance department directly confirms the accurate position of the fault, thereby realizing high-efficiency fault positioning and repair.

Description

Technical Field

[0001] The invention belongs to the technical field of optical cable detection, and in particular relates to an optical cable routing detection method. Background Art

[0002] Most of the communication optical cables in ports are laid through underground information pipelines and overhead poles. Due to the large number of dedicated line users, the optical cable distribution structure is complex, and there is often a lack of accurate data on the direction, routing, reeling points, fusion boxes, etc. of the optical cables, making it even more difficult to manage the overall operation status of the optical cables. Once an optical cable interruption or large attenuation fault occurs, it is difficult to accurately find the fault location in a short time.

[0003] At present, the main tool used for collecting the status of port communication optical cables is the OTDR instrument. Through the principle of optical time domain reflection, it can quantitatively detect the length of optical fiber, various attenuation and reflection events in the link, and obtain the fiber skin length and attenuation value of the event. However, since it can only obtain the length of the optical path, it is still difficult to collect the accurate direction of the optical cable in the on-site information pipeline or overhead pole line and the real location information of each event, that is, it is impossible to collect and organize the routing data of the optical cable.

[0004] The current management and operation and maintenance units of communication optical cables lack accurate optical cable routing data. When an optical cable fault occurs, they can only use the design drawings and completion data of the optical cable line to obtain the faulty optical fiber skin length through OTDR. They can only go to the rough estimated on-site location to perform artificial bending loss on the optical cable to determine the relative position, and then conduct investigations on the manholes or overhead poles one by one. Since the design drawings and completion data can usually only indicate the general direction of the optical cable, there is a lack of information on the optical cable coiling (there are dozens to hundreds of meters of optical cable coiling at the optical fiber fusion point and the overhead pole), that is, there is no accurate data on how many meters of optical cable are coiled at which locations, so there is a large deviation between the optical fiber length inferred from the map direction and the actual value, and fault detection work often requires a lot of time and human resources.

[0005] For the online monitoring system of optical cables, the real-time scanning of the OTDR curve of the optical cable core is adopted. When the curve of the newly added attenuation or broken fiber fault is found, it is compared with the standard curve to identify the fault and issue an alarm. However, the commonly used online monitoring system cannot push the exact location of the optical fiber fault on the electronic line map because it does not have accurate optical fiber routing data information, which greatly reduces the actual application effect of the online monitoring system of optical cables. Summary of the invention

[0006] In view of this, the present invention aims to overcome the deficiencies of the above-mentioned problems in the prior art and proposes an optical cable routing detection method.

[0007] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0008] A first aspect of the present invention provides a method for detecting an optical cable route, comprising the following steps:

[0009] Construct a detection system, including an optical cable online monitoring system, a DVS host, a mobile phone APP, and a system server. The optical cable online monitoring system and the DVS host simultaneously detect the fiber core quality status and vibration data of the same optical cable and are connected to the system server at the same time. The mobile phone APP is connected to the DVS host through the server;

[0010] A vibration signal is applied to the optical cable at the test point. The DVS host detects the signal and feeds the data back to the mobile APP through the system server to determine whether there is a vibration signal exceeding the set threshold strength. If not, the optical cable is replaced at the same place or the test point is changed to continue testing until there is a vibration signal exceeding the threshold. The mobile APP records the optical fiber length corresponding to the signal, completes several point tests, and uploads the results to the system server;

[0011] Determine whether the difference between the optical fiber length value corresponding to the signal recorded by the mobile phone APP and the optical fiber length of the fault point to be found is less than the set threshold. If not, find a new test point based on the calculated difference and repeat the test until the difference between the length value of the signal at that point and the fault length is less than the threshold. The fault point is found and the result is uploaded to the system server.

[0012] Furthermore, it also includes: a mobile phone APP reads the longitude and latitude data of the test point, enters the name of the test point, and saves it together with the detected optical fiber length; after performing corresponding tests and saving data at multiple points on the optical fiber, a fiber routing data table containing the name, optical fiber length, and longitude and latitude data of each identified test point of the optical fiber is obtained.

[0013] Furthermore, the optical fiber routing data table is synchronized to the optical cable online monitoring system through the system server, and the optical cable online monitoring system establishes a one-to-one correspondence data relationship between the optical fiber length and the actual location on the map, and pushes the fault location longitude and latitude information.

[0014] Furthermore, it also includes: the on-site positioning information corresponding to the fault point of the mobile phone APP is synchronized to the optical cable online monitoring system through the server to verify the accuracy of the calibration push position, and automatically correct it if there is any deviation.

[0015] Furthermore, it also includes: constructing a filtering method to automatically filter environmental interference signals of other optical fiber length segments, specifically including:

[0016] Determine the address of the next test point and the location distance of the previous test;

[0017] Calculate the sum of the fiber length and the positioning distance of the previous test point;

[0018] Eliminate the fiber vibration interference information at the position that is smaller than the sum of the fiber length and the positioning distance of the previous test point.

[0019] Furthermore, it also includes restoring the function of the optical cable online monitoring system and updating the optical cable routing data, specifically including:

[0020] (1) The mobile APP combines with the DVS host to test and confirm the length of the newly added extra optical cable at the repair point, and increases the length of all marked points after the repair point in the optical cable routing data of the system platform. The data is updated to the system server and the optical cable online monitoring system to ensure the accuracy of the new alarm location information in the future;

[0021] (2) The optical cable online monitoring system re-collects the standard curve to update the total length and overall attenuation information of the monitored optical fiber;

[0022] (3) After completing the above information update, restart the system to run in automatic real-time monitoring mode.

[0023] A second aspect of the present invention provides an optical cable routing detection device, comprising:

[0024] The detection system construction module is used to construct the detection system, including the optical cable online monitoring system, the DVS host, the mobile phone APP, and the system server. The optical cable online monitoring system and the DVS host simultaneously detect the fiber core quality status and vibration data of the same optical cable and are connected to the system server at the same time. The mobile phone APP is connected to the DVS host through the server;

[0025] The optical cable routing data acquisition module is used to apply a vibration signal to the optical cable at the test point. The DVS host detects the signal and feeds the data back to the mobile phone APP through the system server to determine whether there is a vibration signal exceeding the set threshold intensity. If not, the optical cable is replaced at the same place or the test point is changed to continue testing until there is a vibration signal exceeding the threshold. The mobile phone APP records the optical fiber length corresponding to the signal, completes several point tests, and uploads the results to the system server;

[0026] The optical cable fault location test module is used to determine whether the difference between the optical fiber length value corresponding to the signal recorded by the mobile phone APP and the optical fiber length of the fault point to be found is less than the set threshold. If not, a new test point is found based on the calculated difference and the test is repeated until the difference between the length value of the signal at that point and the fault length is less than the threshold. The fault point is found and the result is uploaded to the system server.

[0027] A third aspect of the present invention provides an electronic device, comprising a processor and a memory communicatively connected to the processor and used to store instructions executable by the processor, wherein the processor is used to execute the above-mentioned optical cable routing detection method.

[0028] A fourth aspect of the present invention provides a computer-readable storage medium storing a computer program, wherein the computer program implements the above-mentioned optical cable routing detection method when executed by a processor.

[0029] Compared with the prior art, the optical cable routing detection method described in the present invention has the following advantages:

[0030] (1) The present invention greatly improves the efficiency of collecting optical cable routing data by combining DVS technology with APP technology. When initially confirming the optical cable routing, the optical cable direction can be known by tapping without opening the manhole cover.

[0031] (2) The present invention synchronizes the collected accurate optical fiber routing data to the optical cable online monitoring system, thereby making a one-to-one correspondence between the optical fiber skin length and the actual on-site location, so that the optical fiber fault alarm of the online monitoring system can push accurate positioning longitude and latitude information on the electronic map.

[0032] (3) When searching for optical cable faults, the present invention can import the fault length information from the optical cable online monitoring system through the APP, and then quickly confirm the on-site optical cable length through the APP test process of DVS, so as to know the relative distance to the optical fiber breakpoint and the optical fiber maximum attenuation, thereby greatly saving the time and manpower investment in fault location.

[0033] (4) While testing the direction and length of the optical cable, the mobile phone APP can directly read the longitude and latitude data and send it to the system server. It can also simultaneously send back and record the on-site optical fiber cable winding data, thereby generating accurate optical fiber routing data tables and electronic maps in the system. The automation of data recording and organization can greatly reduce the workload of optical cable resource management and organization.

[0034] (5) The present invention can automatically filter out the environmental interference of irrelevant optical fiber segments through filtering algorithms and APP positioning information acquisition functions, and prevent misoperation and data falsification in the selection of positioning points and data, thereby greatly improving the efficiency of routing data collection and fault location and the accuracy and reliability of data. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0036] Figure 1 is a schematic diagram of a detection system of the present invention;

[0037] Figure 2 A test flow chart for collecting optical cable routing data in the present invention;

[0038] Figure 3 This is a test flow chart for finding and locating optical fiber faults in the present invention. DETAILED DESCRIPTION

[0039] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0042] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0043] Embodiment 1:

[0044] A method for detecting optical cable routing comprises the following steps:

[0045] Construct a detection system, including an optical cable online monitoring system, a DVS host, a mobile phone APP, and a system server. The optical cable online monitoring system and the DVS host simultaneously detect the fiber core quality status and vibration data of the same optical cable and are connected to the system server at the same time. The mobile phone APP is connected to the DVS host through the server;

[0046] A vibration signal is applied to the optical cable at the test point. The DVS host detects the signal and feeds the data back to the mobile APP through the system server to determine whether there is a vibration signal exceeding the set threshold strength. If not, the optical cable is replaced at the same place or the test point is changed to continue testing until there is a vibration signal exceeding the threshold. The mobile APP records the optical fiber length corresponding to the signal, completes several point tests, and uploads the results to the system server;

[0047] Determine whether the difference between the optical fiber length value corresponding to the signal recorded by the mobile phone APP and the optical fiber length of the fault point to be found is less than the set threshold. If not, find a new test point based on the calculated difference and repeat the test until the difference between the length value of the signal at that point and the fault length is less than the threshold. The fault point is found and the result is uploaded to the system server.

[0048] In the present invention, the optical cable online monitoring system is based on the optical time domain reflectometry (OTDR) technology. By accessing a core optical fiber of the monitoring optical cable in the communication room, the optical fiber OTDR curve is pre-collected and stored as a standard reference, and then periodic OTDR data collection is performed. Each collected curve is compared with the standard curve. If a new attenuation deviation exceeding the set threshold is found, an alarm for the new optical fiber attenuation is issued; if a change in the optical fiber length (usually shortened) is found, a fiber break fault alarm is issued. The optical fiber length of the newly added fault is the location information of the alarm. If the platform has entered the optical fiber routing electronic map information, that is, the optical fiber skin length and the actual line direction positioning have a one-to-one corresponding data relationship, the longitude and latitude coordinates of the fault can be pushed on the electronic map of the platform.

[0049] The DVS host is based on the phase-sensitive optical time-domain reflectometry technology (Φ-OTDR). After the optical fiber is connected to a spare optical fiber of the optical cable through an optical fiber jumper in the ODF rack of the communication room, the light source in the host injects a narrow linewidth pulse laser with a wavelength of 1550nm into the optical fiber. The laser reacts with the silica molecules during the operation of the optical fiber to stimulate the back Rayleigh scattered light. Its phase carries the vibration information of various parts of the optical fiber. After returning to the host, it enters the photoelectric detector and high-speed data acquisition circuit through the sensing optical path and is converted into electrical information and digital signals respectively. The DVS algorithm demodulates the phase information in the signal to obtain the environmental vibration information of each position of the optical fiber. The pulse width emitted by the light source of this host can be adjusted from 20ns to 200ns, that is, the minimum positioning resolution of the vibration signal on the optical fiber length of 2 meters can be achieved.

[0050] The mobile phone APP can be connected to the DVS host connected to the Internet to realize the collection and viewing of optical fiber vibration data. When the tester goes to the site to knock the optical cable or its environment, he can directly view the data such as the fiber skin length and coil length at the knocking point, and save it in correspondence with the longitude and latitude coordinates collected by the mobile phone at that time.

[0051] The system server serves as a data connection transfer server between the DVS host and the mobile phone APP; secondly, the data such as optical fiber skin length, coil length, and test point longitude and latitude obtained by the APP test are uploaded to the server for storage, and the optical cable routing information table and electronic map are generated.

[0052] like Figure 1 As shown in the figure, the optical cable online monitoring system (including hardware host and software platform) and the DVS host are connected to different fiber cores or the same fiber core of the same optical cable (when connected to the same fiber core, wavelength division multiplexing technology can be used to isolate the different fiber wavelengths used by the online monitoring system and the DVS host). The two systems simultaneously detect the fiber core quality status and vibration data of the same optical cable, and are connected to the system server at the same time, so that the same interface is used for the fiber length related data.

[0053] The DVS host is connected to the system server through a wired or wireless network, and the port communication optical cable is connected to a spare optical fiber of the optical cable by connecting an optical fiber jumper through the optical interface on the host. The APP installed on the mobile terminal is also connected to the system server through a wireless network. The mobile APP will send the detection parameter settings of the DVS system, the start and stop of vibration signal collection and other instructions to the DVS host through the system server. After the DVS host is running, the full-line detection data detected by the optical fiber will be transmitted to the mobile APP through the system server.

[0054] During the actual detection, the technician takes the mobile phone with the APP installed to the site of the port communication optical cable, and applies the vibration signal to a certain point of the optical cable by knocking on the optical cable body, or the ground above the optical cable, the manhole cover, the pole body of the optical cable, etc. After the signal is detected by the DVS host, the signal strength, optical fiber length and other data information are transmitted to the APP end through the system server, and the technician can determine whether the optical cable to be tested has passed the knocking position and what the corresponding optical fiber length is. The mobile phone APP then reads the longitude and latitude data of the test point, enters the name of the test point, and saves it together with the detected optical fiber length. After performing corresponding tests and saving data at multiple points of the optical fiber, the optical fiber routing data table containing the name, optical fiber length, longitude and latitude of each identified test point of the optical fiber can be obtained. The relevant optical fiber data information can be synchronized to the optical cable online monitoring platform through the system server, thereby providing the optical cable online monitoring system with an accurate data relationship between the optical fiber length and the actual positioning of the map, so that the optical fiber fault alarm of the online monitoring platform can push accurate fault location longitude and latitude information.

[0055] The test process of optical cable routing data collection is as follows: Figure 2 As shown:

[0056] First, connect the DVS host to the system server, and the APP is also connected to the DVS through the server. After setting the DVS parameters, the APP starts the collection of optical fiber vibration data. The tester holds the APP terminal to the site to knock on the optical cable or the surrounding environment of the optical cable. The vibration signal of the DVS host passes through the server and feeds the results back to the APP. Determine whether there is a vibration exceeding the set threshold intensity. If not, replace the optical cable at the same place, or change the test point position and knock again until there is a vibration exceeding the threshold. The APP records the optical fiber length corresponding to the signal. The tester enters the name of the test point in the APP, and the APP reads the longitude and latitude data of the mobile phone. The name, optical fiber length, and longitude and latitude are all transmitted to the server. Continue to perform related tests and upload data at other locations of the optical cable. After completing the test tasks of several points, the server generates an optical cable routing data table and an electronic map. The routing data table contains the name, optical fiber length, longitude and latitude, test time, and other management information of other notes for each test point. The order of each point in the table is based on the order of optical fiber length from small to large. Complete the automatic recording, sorting and sequencing of optical fiber routing data information, synchronize it to the optical cable online monitoring system, and provide a data correspondence table for the push of optical fiber monitoring fault locations.

[0057] In the present invention, when collecting data on site, the mobile phone APP automatically locks the corresponding optical cable length segment by identifying the location information of the on-site personnel and the length information of the nearby optical cables that have been tapped and recorded, thereby filtering out environmental interference signals of other optical fiber length segments. For example, the optical fiber length of the previous tapping point is 2.5km, and the new tapping point address is located 200m away from the previous point. The system can determine that the optical fiber length at this point is at least 2.7km, and the optical fiber vibration interference information before 2.7km is automatically filtered out.

[0058] In the present invention, when collecting data on site, the mobile phone APP automatically identifies the location information of the on-site personnel and sorts the distances of the nearby location points that have been entered into the system to prevent the personnel from making mistakes when selecting or creating new location points. For example, the location points that deviate more than 30 meters from the current mobile phone location longitude and latitude cannot be selected. This can prevent mistakes or data falsification by test personnel.

[0059] The entire route collection process of the present invention is completed automatically through the APP and related algorithms, reducing the workload of manual input and data sorting, while preventing errors caused by manual misoperation, improving efficiency and data reliability.

[0060] The process of optical cable fault location test is as follows: Figure 3 As shown:

[0061] First, connect the optical cable online monitoring system and the DVS host to the system server, and the APP is also connected to the DVS through the server. The APP can automatically obtain the optical cable length value corresponding to the optical fiber fault detected by the optical cable online monitoring system, and start the collection of optical fiber vibration data after setting the DVS parameters. The tester holds the APP terminal to the site to knock on the optical cable or the surrounding environment of the optical cable. The vibration signal of the DVS host is fed back to the APP through the server. Determine whether there is a vibration that exceeds the set threshold intensity. If not, replace the optical cable at the same place, or change the test point position and knock again until there is a vibration that exceeds the threshold. The APP records the optical fiber length corresponding to the signal. Determine whether the difference between this fiber length value and the fiber length of the fault point to be found is less than the set threshold (for example, set to 2 meters). If not, based on the calculated difference, the tester moves the corresponding distance along the optical cable and repeatedly taps the new test point until the difference between the length value of the signal at this point and the fault length is less than the threshold. In this case, the fault point is considered to be found. The APP uploads the test results to the server for record. At the same time, the on-site positioning information corresponding to the fault point of the APP is also synchronized to the optical cable online monitoring system through the server, so as to verify the accuracy of the position pushed by the more accurate optical cable online monitoring platform for this alarm. If there is a deviation, it will be automatically corrected. After the fault test is completed, the communication maintenance personnel will complete the repair of the optical cable breakpoint on site. Two types of status information of all fiber cores of the entire optical cable will change:

[0062] (1) In addition to adding a splice box, there will usually be additional extra optical cables at the breakpoint fusion repair location. The length of all the fiber cores at all positioning points after the repair point and the total length of the optical fiber will become longer;

[0063] (2) After splicing, the overall line attenuation of each optical fiber will change.

[0064] This system combines APP to restore the function of the optical cable online monitoring system and update the optical cable routing data through the following process:

[0065] (1) The APP combines with the DVS system to confirm the length of the newly added extra optical cable at the repair point, and increases the length of all marked points after the repair point in the optical cable routing data of the system platform. The data is updated to the server and the optical cable online monitoring system to ensure the accuracy of the new alarm location information.

[0066] (2) The optical cable online monitoring system re-collects the standard curve to update the total length and overall attenuation information of the monitored optical fiber.

[0067] (3) After completing the above information update, restart the system to run in automatic real-time monitoring mode.

[0068] The present invention uses a distributed optical cable online monitoring system, a DVS host, and a supporting APP and Internet technology to obtain the accurate direction of the optical cable, the position and length of each reel, the positioning information of the fusion box, and the actual fiber sheath length data of each point through on-site knocking tests and longitude and latitude data collection at each manhole and overhead pole, and organizes them into a complete optical cable routing data table and an electronic map, truly restoring the relevant information of the communication optical cable site, so that when the optical cable is interrupted or has a large attenuation, the management and operation and maintenance departments can directly confirm the exact location of the fault, thereby realizing efficient fault location and emergency repair.

[0069] Embodiment 2:

[0070] An optical cable routing detection device, comprising:

[0071] The detection system construction module is used to construct the detection system, including the optical cable online monitoring system, the DVS host, the mobile phone APP, and the system server. The optical cable online monitoring system and the DVS host simultaneously detect the fiber core quality status and vibration data of the same optical cable and are connected to the system server at the same time. The mobile phone APP is connected to the DVS host through the server;

[0072] The optical cable routing data acquisition module is used to apply a vibration signal to the optical cable at the test point. The DVS host detects the signal and feeds the data back to the mobile phone APP through the system server to determine whether there is a vibration signal exceeding the set threshold intensity. If not, the optical cable is replaced at the same place or the test point is changed to continue testing until there is a vibration signal exceeding the threshold. The mobile phone APP records the optical fiber length corresponding to the signal, completes several point tests, and uploads the results to the system server;

[0073] The optical cable fault location test module is used to determine whether the difference between the optical fiber length value corresponding to the signal recorded by the mobile phone APP and the optical fiber length of the fault point to be found is less than the set threshold. If not, a new test point is found based on the calculated difference and the test is repeated until the difference between the length value of the signal at that point and the fault length is less than the threshold. The fault point is found and the result is uploaded to the system server.

[0074] Embodiment three:

[0075] An electronic device comprises a processor and a memory which is communicatively connected with the processor and is used to store instructions executable by the processor, wherein the processor is used to execute the above-mentioned optical cable routing detection method.

[0076] Embodiment 4:

[0077] A computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the optical cable routing detection method described above is implemented.

[0078] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for detecting optical cable routing, characterized in that: The steps include: Construct a detection system, including an optical cable online monitoring system, a DVS host, a mobile phone APP, and a system server. The optical cable online monitoring system and the DVS host simultaneously detect the fiber core quality status and vibration data of the same optical cable and are connected to the system server at the same time. The mobile phone APP is connected to the DVS host through the server; A vibration signal is applied to the optical cable at the test point. The DVS host detects the signal and feeds the data back to the mobile APP through the system server to determine whether there is a vibration signal exceeding the set threshold strength. If not, the optical cable is replaced at the same place or the test point is changed to continue testing until there is a vibration signal exceeding the threshold. The mobile APP records the optical fiber length corresponding to the signal, completes several point tests, and uploads the results to the system server; Determine whether the difference between the optical fiber length value corresponding to the signal recorded by the mobile phone APP and the optical fiber length of the fault point to be found is less than the set threshold. If not, find a new test point based on the calculated difference and repeat the test until the difference between the length value of the signal at that point and the fault length is less than the threshold. The fault point is found and the result is uploaded to the system server.

2. The optical cable routing detection method according to claim 1, characterized in that: Also includes: The mobile phone APP reads the latitude and longitude data of the test point, enters the name of the test point, and saves it together with the detected optical fiber length. After performing corresponding tests and saving data at multiple points on the optical fiber, a fiber routing data table containing the name, optical fiber length, and longitude and latitude data of each identified test point of the optical fiber is obtained.

3. The optical cable routing detection method according to claim 2, characterized in that: The optical fiber routing data table is synchronized to the optical cable online monitoring system through the system server. The optical cable online monitoring system establishes a one-to-one correspondence data relationship between the optical fiber length and the actual location on the map, and pushes the fault location longitude and latitude information.

4. The optical cable routing detection method according to claim 1, characterized in that: Also includes: The on-site positioning information corresponding to the fault point on the mobile phone APP is synchronized to the optical cable online monitoring system through the server to verify the accuracy of the calibration push position, and automatically correct it if there is any deviation.

5. The optical cable routing detection method according to claim 1, characterized in that: Also includes: Construct a filtering method to automatically filter out environmental interference signals from other fiber lengths, including: Determine the address of the next test point and the location distance of the previous test; Calculate the sum of the fiber length and the positioning distance of the previous test point; Eliminate the fiber vibration interference information at the position that is smaller than the sum of the fiber length and the positioning distance of the previous test point.

6. The optical cable routing detection method according to claim 1, characterized in that: It also includes the function recovery of the optical cable online monitoring system and the update of the optical cable routing data, including: (1) The mobile APP combines with the DVS host to test and confirm the length of the newly added extra optical cable at the repair point, and increases the length of all marked points after the repair point in the optical cable routing data of the system platform. The data is updated to the system server and the optical cable online monitoring system to ensure the accuracy of the new alarm location information in the future; (2) The optical cable online monitoring system re-collects the standard curve to update the total length and overall attenuation information of the monitored optical fiber; (3) After completing the above information update, restart the system to run in automatic real-time monitoring mode.

7. An optical cable routing detection device, comprising: The detection system construction module is used to construct the detection system, including the optical cable online monitoring system, the DVS host, the mobile phone APP, and the system server. The optical cable online monitoring system and the DVS host simultaneously detect the fiber core quality status and vibration data of the same optical cable and are connected to the system server at the same time. The mobile phone APP is connected to the DVS host through the server; The optical cable routing data acquisition module is used to apply a vibration signal to the optical cable at the test point. The DVS host detects the signal and feeds the data back to the mobile phone APP through the system server to determine whether there is a vibration signal exceeding the set threshold intensity. If not, the optical cable is replaced at the same place or the test point is changed to continue testing until there is a vibration signal exceeding the threshold. The mobile phone APP records the optical fiber length corresponding to the signal, completes several point tests, and uploads the results to the system server; The optical cable fault location test module is used to determine whether the difference between the optical fiber length value corresponding to the signal recorded by the mobile phone APP and the optical fiber length of the fault point to be found is less than the set threshold. If not, a new test point is found based on the calculated difference and the test is repeated until the difference between the length value of the signal at that point and the fault length is less than the threshold. The fault point is found and the result is uploaded to the system server.

8. An electronic device, comprising a processor and a memory connected to the processor for storing instructions executable by the processor, characterized in that: The processor is used to execute the optical cable routing detection method described in any one of claims 1 to 6.

9. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the optical cable routing detection method according to any one of claims 1 to 6 is implemented.

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