阅读说明：本技术 基于光缆路径的线路故障位置测定方法 (Line fault position determination method based on optical cable path ) 是由 宋靖 孙可 吴笛 成菲 李海龙 王光大 陈旭阳 黄义皓 于 2021-06-03 设计创作，主要内容包括：本发明属于通讯传输技术领域,具体为基于光缆路径的线路故障位置测定方法,包括有光纤接线机构、定位终端、G I S终端和指挥部终端,所述光纤接线机构包括有接线模块、定位模块、振动模块、警报模块、通讯模块和传感模块,所述G I S终端与通讯模块和指挥部终端网络连接,所述定位终端与G I S终端信号连接,所述光纤接线机构与待检测光纤连接。本发明通过光纤接线机构、定位终端、G I S终端和指挥部终端,利用传感模块向待检测光纤发射模拟光信号,由待检测光纤另一端的传感模块接受反馈光信号,同时振动模块定期带动光纤接线机构震动,产生震动波信号,即可定位单条故障光纤,再配合G I S终端的精确定位,实地复测,准确性较高,加快了维护时机,便于推广使用。(The invention belongs to the technical field of communication transmission, and particularly relates to a line fault position measuring method based on an optical cable path. According to the invention, through the optical fiber wiring mechanism, the positioning terminal, the G I S terminal and the command part terminal, the sensing module is used for emitting an analog optical signal to the optical fiber to be detected, the sensing module at the other end of the optical fiber to be detected receives a feedback optical signal, meanwhile, the vibration module periodically drives the optical fiber wiring mechanism to vibrate to generate a vibration wave signal, thus a single fault optical fiber can be positioned, and the precise positioning of the G I S terminal is matched, so that the on-site retest is realized, the accuracy is higher, the maintenance opportunity is accelerated, and the popularization and the use are convenient.)

1. The line fault position measuring method based on the optical cable path comprises an optical fiber wiring mechanism, a positioning terminal, a GIS terminal and a command part terminal, and is characterized in that the optical fiber wiring mechanism comprises a wiring module, a positioning module, a vibration module, an alarm module, a communication module and a sensing module, the GIS terminal is connected with the communication module and the command part terminal through a network, the positioning terminal is in signal connection with the GIS terminal, and the optical fiber wiring mechanism is connected with an optical fiber to be detected.

The sensing module is used for transmitting an analog optical signal to the optical fiber to be detected and receiving a feedback optical signal by the sensing module at the other end of the optical fiber to be detected;

the vibration module is used for periodically driving the optical fiber wiring mechanism to vibrate, generating vibration wave signals and receiving the vibration wave signals by the sensing module;

the communication module is used for being matched with the positioning module to be connected with the positioning terminal, and transmitting data and controlling the optical fiber wiring mechanism;

the positioning module is used for reporting positioning position information of two ends of the optical cable after the optical cable has an alarm fault and searching a specific position by adopting a positioning terminal;

the optical fiber wiring mechanism is used for periodically starting the vibration module and the sensing module to carry out self-inspection on the optical fiber path;

and the GIS terminal is used for receiving the optical fiber detection information, generating a GIS view by the optical fiber distribution and path information and assisting the positioning terminal to accurately search and position the fault point.

The command part terminal is used for receiving detection data transmitted by the GIS terminal of the communication module, analyzing fault reasons and positions according to the detection data, generating simulated fault points according to simulated optical signals, feedback optical signals and bidirectional vibration wave signals, judging fault direction sections according to the simulated signals in different directions, reducing the detection range, positioning the simulated fault points according to the length of the current optical fiber line to be detected in proportion, and uploading the simulated fault points to the GIS terminal for the positioning terminal to check on the GIS terminal;

the method comprises the following steps:

firstly, the optical fiber wiring structure is connected with an optical fiber circuit by using the wiring module, and the laying of optical fibers is completed;

then, regularly transmitting an analog optical signal to the optical fiber to be detected through the sensing module, and receiving a feedback optical signal by the sensing module at the other end of the optical fiber to be detected;

meanwhile, the vibration module periodically drives the optical fiber wiring mechanism to vibrate to generate a vibration wave signal, and the vibration wave signal is matched with the sensing module to transmit an analog optical signal to the optical fiber to be detected to finish detection under static and dynamic conditions;

judging a fault direction section through the direction of the analog optical signal, selecting the section, transmitting the analog optical signal by the sensing module on the optical fiber line in the fault section, repeating the steps for multiple times, and positioning a single optical fiber;

then, the detection data is uploaded to the GIS terminal through a communication module, the GIS terminal receives and measures the detection data, and a simulation fault point, namely a round-trip signal abnormal point, is generated on the current optical fiber circuit according to the simulation optical signal, the feedback optical signal and the bidirectional vibration wave signal;

then, simulating the length proportion of the fault point on the current optical fiber line to obtain a specific fault point on the current optical fiber line, and uploading fault information to the GIS terminal;

then the alarm module gives an alarm to remind maintenance;

the maintenance personnel determine an accurate position after connecting the GIS terminal to a site according to the positioning terminal, then connect the optical fiber wiring structure through the positioning terminal, actively carry out repeated detection, and then carry out excavation maintenance according to a detection result;

and performing retesting after the maintenance is finished.

2. The method of claim 1, wherein the alarm module is configured to alarm the command department terminal after the optical fiber connection mechanism fails after the optical fiber is periodically inspected, and send the failure location information to the location terminal.

3. The method of claim 1, wherein the patching modules are at least three-way splices for connection of adjacent fiber segments and connection for subsequent maintenance detection.

4. The method of claim 1, wherein the sensing module comprises a signal transceiver, a signal amplifier and an acousto-optic modulator.

5. The method of claim 1, wherein the fiber optic connection mechanism detection period is 0.5-14 days, and the vibration module detection period is one-half of the sensing module detection period according to decreasing fiber lay times.

6. The method of claim 1, wherein the location terminal is configured to be located by a service person in the field according to the fault location information and access the corresponding optical fiber connection mechanism according to the fault location.

7. The method of claim 1, wherein the GIS terminal is a regional geographical location network system for downloading and uploading data of the commander terminal and the positioning terminal, and generates an optical fiber distribution line according to a positioning module in the optical fiber connection mechanism for review of authorized construction of each unit to prevent damage.

8. The method of claim 1, wherein the GIS terminal network is encrypted using one or a combination of WEP, AES, TKIP, and WPA-PSK.

Technical Field

The invention relates to the technical field of communication transmission, in particular to a line fault position measuring method based on an optical cable path.

Background

The optical cable is manufactured to meet the performance specification of optics, machinery or environment, and is a communication cable assembly which uses one or more optical fibers arranged in a coating sheath as a transmission medium and can be used independently or in a group.

The existing optical fiber positioning and monitoring method can only obtain the distance from a monitoring point to a fault point, and cannot obtain the accurate position of the bottom surface, particularly under the condition that an optical cable bypasses to avoid obstacles, the optical cable is difficult to judge, the accuracy is low, the maintenance time is delayed, and the method is not convenient to popularize and use, so that the method for determining the line fault position based on the optical cable path is provided.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background technology, the invention provides a line fault position measuring method based on an optical cable path, which has the characteristic of accurate positioning.

(II) technical scheme

In order to solve the technical problem, the invention provides a line fault position measuring method based on an optical cable path, which comprises an optical fiber wiring mechanism, a positioning terminal, a GIS terminal and a command part terminal, wherein the optical fiber wiring mechanism comprises a wiring module, a positioning module, a vibration module, an alarm module, a communication module and a sensing module, the GIS terminal is in network connection with the communication module and the command part terminal, the positioning terminal is in signal connection with the GIS terminal, and the optical fiber wiring mechanism is connected with an optical fiber to be detected.

The sensing module is used for transmitting an analog optical signal to the optical fiber to be detected, and the sensing module at the other end of the optical fiber to be detected receives a feedback optical signal.

The vibration module is used for periodically driving the optical fiber wiring mechanism to vibrate, generate vibration wave signals and be received by the sensing module.

The communication module is used for being matched with the positioning module to be connected with the positioning terminal, and transmitting data and controlling the optical fiber wiring mechanism.

And the positioning module is used for reporting positioning position information of two ends of the optical cable after the optical cable has an alarm fault and searching a specific position by adopting a positioning terminal.

And the optical fiber wiring mechanism is used for periodically starting the vibration module and the sensing module to carry out self-inspection on the optical fiber path.

And the GIS terminal is used for receiving the optical fiber detection information, generating a GIS view by the optical fiber distribution and path information and assisting the positioning terminal to accurately search and position the fault point.

The command part terminal is used for receiving detection data transmitted by the GIS terminal of the communication module, analyzing fault reasons and positions according to the detection data, generating simulated fault points according to simulated optical signals, feedback optical signals and bidirectional vibration wave signals, judging fault direction sections according to the simulated signals in different directions, reducing the detection range, positioning the simulated fault points according to the length of the current optical fiber line to be detected in proportion, and uploading the GIS terminal for the positioning terminal to check on the GIS terminal.

The method comprises the following steps:

firstly, the optical fiber wiring structure is connected with an optical fiber circuit by using the wiring module, and the laying of optical fibers is completed.

And then periodically transmitting an analog optical signal to the optical fiber to be detected through the sensing module, and receiving a feedback optical signal by the sensing module at the other end of the optical fiber to be detected.

Meanwhile, the vibration module periodically drives the optical fiber wiring mechanism to vibrate to generate vibration wave signals, and the vibration wave signals are matched with the sensing module to transmit analog optical signals to the optical fibers to be detected, so that detection under static and dynamic conditions is completed.

Judging a fault direction section through the direction of the analog optical signal, selecting the section, transmitting the analog optical signal by the sensing module on the optical fiber line in the fault section, repeating the steps for many times, and positioning a single optical fiber.

Then, the detection data is uploaded to the GIS terminal through a communication module, the GIS terminal receives and measures the detection data, and a simulation fault point, namely a round-trip signal abnormal point, is generated on the current optical fiber line according to the simulation optical signal, the feedback optical signal and the bidirectional vibration wave signal.

And then, simulating the length proportion of the fault point on the current optical fiber line to obtain a specific fault point on the current optical fiber line, and uploading the fault information to the GIS terminal.

Then the alarm module gives an alarm to remind maintenance.

And after the maintenance personnel are connected with the GIS terminal according to the positioning terminal to reach the site, the maintenance personnel determine the accurate position, then are connected with the optical fiber wiring structure through the positioning terminal, actively carry out repeated detection, and then carry out excavation maintenance according to the detection result.

And performing retesting after the maintenance is finished.

Preferably, the alarm module is configured to send an alarm to the command department terminal after the optical fiber connection mechanism fails after the optical fiber is regularly checked, and send the failure location information to the positioning terminal.

Preferably, the connection module is at least a triple connection head, and is used for connection of adjacent optical fiber sections and connection of subsequent maintenance detection.

Preferably, the sensing module comprises a signal transceiver, a signal amplifier and an acousto-optic debugger.

Preferably, the detection period of the optical fiber wiring mechanism is 0.5-14 days, the detection period of the vibration module is one half of the detection period of the sensing module according to the descending of the laying time of the optical fiber.

Preferably, the positioning terminal is used for a maintenance worker to search on the spot according to the fault positioning information and access the corresponding optical fiber wiring mechanism according to the fault positioning.

Preferably, the GIS terminal is a regional geographical location network system for downloading and uploading data of the command department terminal and the positioning terminal, and generates an optical fiber distribution line according to a positioning module in the optical fiber wiring mechanism for examination of authorized construction of each unit to prevent damage.

Preferably, the GIS terminal network adopts one or a combination of WEP, AES, TKIP and WPA-PSK for encryption.

The technical scheme of the invention has the following beneficial technical effects:

the invention uses the sensing module to transmit the analog optical signal to the optical fiber to be detected through the optical fiber wiring mechanism, the positioning terminal, the GIS terminal and the command part terminal, the sensing module at the other end of the optical fiber to be detected receives the feedback optical signal, the vibration module drives the optical fiber wiring mechanism to vibrate periodically to generate the vibration wave signal, the sensing module is matched to transmit the analog optical signal to the optical fiber to be detected, the detection under static and dynamic conditions can be realized, the fault direction section is judged according to the analog optical signal direction, the section is selected, the sensing module on the optical fiber circuit in the fault section transmits the analog optical signal, the operation is repeated for many times, the single fault optical fiber can be positioned, the accurate positioning of the GIS terminal is matched, the on-site retest is realized, the accuracy is higher, the maintenance time is accelerated, and the popularization and the use are convenient.

Detailed Description

The line fault position measuring method based on the optical cable path comprises an optical fiber wiring mechanism, a positioning terminal, a GIS terminal and a command department terminal, and is characterized in that the optical fiber wiring mechanism comprises a wiring module, a positioning module, a vibration module, an alarm module, a communication module and a sensing module, the GIS terminal is connected with the communication module and the command department terminal through a network, the positioning terminal is in signal connection with the GIS terminal, and the optical fiber wiring mechanism is connected with an optical fiber to be detected.

The sensing module is used for transmitting analog optical signals to the optical fiber to be detected, receiving feedback optical signals by the sensing module at the other end of the optical fiber to be detected, and the sensing module is arranged in each optical fiber connecting mechanism, connected among optical fiber connectors and used for receiving and transmitting analog signals, detecting optical fiber signals and giving an alarm at an abnormal point.

The vibration module is used for periodically driving the optical fiber wiring mechanism to vibrate, generate vibration wave signals and be received by the sensing module.

The communication module is used for being matched with the positioning module to be connected with the positioning terminal, and transmitting data and controlling the optical fiber wiring mechanism.

And the positioning module is used for reporting positioning position information of two ends of the optical cable after the optical cable has an alarm fault and searching a specific position by adopting a positioning terminal.

The optical fiber wiring mechanism is used for regularly starting the vibration module and the sensing module to carry out self-checking on an optical fiber path, the optical fiber wiring mechanism is connected between optical fiber sections, a plurality of optical fiber connecting sections are synchronously detected firstly during detection, an optical fiber fault area is further judged, the detection efficiency is accelerated, and then the range is gradually reduced by half and half, so that the optical fiber wiring mechanism is reasonable.

And the GIS terminal is used for receiving the optical fiber detection information, generating a GIS view by the optical fiber distribution and path information and assisting the positioning terminal to accurately search and position the fault point.

The command part terminal is used for receiving detection data transmitted by the GIS terminal of the communication module, analyzing fault reasons and positions according to the detection data, generating simulated fault points according to simulated optical signals, feedback optical signals and bidirectional vibration wave signals, judging fault direction sections according to the simulated signals in different directions, reducing the detection range, positioning the simulated fault points according to the length of the current optical fiber line to be detected in proportion, and uploading the GIS terminal for the positioning terminal to check on the GIS terminal.

The method comprises the following steps:

firstly, the optical fiber wiring structure is connected with an optical fiber circuit by using the wiring module, and the laying of optical fibers is completed.

The optical fiber fault detection method needs to adopt the optical fiber wiring structure provided by the scheme, and the follow-up self-checking and positioning effects are good.

And then periodically transmitting an analog optical signal to the optical fiber to be detected through the sensing module, and receiving a feedback optical signal by the sensing module at the other end of the optical fiber to be detected.

Meanwhile, the vibration module periodically drives the optical fiber wiring mechanism to vibrate to generate vibration wave signals, and the vibration wave signals are matched with the sensing module to transmit analog optical signals to the optical fibers to be detected, so that detection under static and dynamic conditions is completed.

Judging a fault direction section through the direction of the analog optical signal, selecting the section, transmitting the analog optical signal by the sensing module on the optical fiber line in the fault section, repeating the steps for many times, and positioning a single optical fiber.

Then, the detection data is uploaded to the GIS terminal through a communication module, the GIS terminal receives and measures the detection data, and a simulation fault point, namely a round-trip signal abnormal point, is generated on the current optical fiber line according to the simulation optical signal, the feedback optical signal and the bidirectional vibration wave signal.

And then, simulating the length proportion of the fault point on the current optical fiber line to obtain a specific fault point on the current optical fiber line, and uploading the fault information to the GIS terminal.

Then the alarm module gives an alarm to remind maintenance.

And after the maintenance personnel are connected with the GIS terminal according to the positioning terminal to reach the site, the maintenance personnel determine the accurate position, then are connected with the optical fiber wiring structure through the positioning terminal, actively carry out repeated detection, and then carry out excavation maintenance according to the detection result.

And performing retesting after the maintenance is finished.

Furthermore, the alarm module is used for sending an alarm to the command department terminal after the optical fiber wiring mechanism breaks down after the optical fiber is regularly checked, sending fault position information to the positioning terminal, and the alarm module is convenient for directly transmitting the fault position information to the positioning terminal after the fault is self-detected, so that maintenance personnel can conveniently overhaul the fault position information at the first time, and the maintenance efficiency is improved.

It should be noted that the connection module is at least a triple-connection head, and is used for connection of adjacent optical fiber sections and connection of subsequent maintenance detection, and the triple-connection head can facilitate subsequent excavation insertion detection, thereby improving detection efficiency.

Furthermore, the detection period of the optical fiber wiring mechanism is 0.5-14 days, the detection period is decreased progressively according to the laying time of the optical fiber, the detection period of the vibration module is one half of the detection period of the sensing module, the service life of the optical fiber is reduced to a certain extent along with the increase of the service time, the detection frequency is increased gradually, the detection effect is more accurate, the sensing module is triggered to directly give an alarm by the occurrence of damage phenomena such as optical fiber breakage, and the safety is higher.

Furthermore, the positioning terminal is used for maintenance personnel to search on the spot according to fault positioning information and accesses to the corresponding optical fiber wiring mechanism according to fault positioning, the positioning terminal is a portable mobile device, maintenance personnel can conveniently take the optical fiber wiring mechanism to a site for use, and the reasonability is high.

It should be noted that the GIS terminal is a regional geographical location network system for downloading and uploading data of the command department terminal and the positioning terminal, and generates an optical fiber distribution line according to the positioning module in the optical fiber wiring mechanism for examination of authorized construction of each unit, so as to prevent damage, and a regional optical fiber geographical map can be generated by using the GIS terminal, so as to facilitate planning and scheduling.

Furthermore, the GIS terminal network adopts one or a combination of more of WEP, AES, TKIP and WPA-PSK for encryption, and the encryption network can ensure the safety of optical fiber information, so that an authorized party can check the information, and the identification and management are convenient.

The working principle and the using process of the invention are as follows: firstly, an optical fiber wiring structure is connected with an optical fiber circuit by using a wiring module to finish the laying of optical fibers, then analog optical signals are transmitted to the optical fibers to be detected through a sensing module at regular intervals, the sensing module at the other end of the optical fibers to be detected receives feedback optical signals, meanwhile, a vibration module drives an optical fiber wiring mechanism to vibrate at regular intervals to generate vibration wave signals, the sensing module is matched with the optical fibers to be detected to transmit the analog optical signals to the optical fibers to be detected, the detection under static and dynamic conditions is finished, a fault direction section is judged through the direction of the analog optical signals, a section is selected, the analog optical signals are transmitted by the sensing module on the optical fiber circuit in the fault section, the operation is repeated for multiple times, a single optical fiber is positioned, then detection data are transmitted to a GIS terminal through a communication module, the detection data are received and determined by a command part terminal, and analog fault points are generated on the current optical fiber circuit according to the analog optical signals, the feedback optical signals and the bidirectional vibration wave signals, the method comprises the steps that a signal abnormal point is come and go, the length proportion occupied by a simulation fault point on a current optical fiber circuit is used for obtaining a specific fault point on the current optical fiber circuit, fault information is uploaded to a GIS terminal, an alarm module gives an alarm to remind maintenance, maintenance personnel determine an accurate position after the GIS terminal is connected to the GIS terminal according to a positioning terminal and the accurate position is reached, then the optical fiber wiring structure is connected through the positioning terminal, repeated detection is conducted actively, excavation maintenance is conducted again according to a detection result, and repeated detection is conducted after maintenance is completed.