CN112290999A - Optical fiber monitoring system for power networking - Google Patents
Optical fiber monitoring system for power networking Download PDFInfo
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- CN112290999A CN112290999A CN202011180815.4A CN202011180815A CN112290999A CN 112290999 A CN112290999 A CN 112290999A CN 202011180815 A CN202011180815 A CN 202011180815A CN 112290999 A CN112290999 A CN 112290999A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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Abstract
The invention relates to the technical field of optical fiber detection, and discloses an optical fiber monitoring system for power networking, which comprises at least one data acquisition terminal and a server, wherein the data acquisition terminal comprises a dial switch, a signal generation unit, a signal receiving unit, a control unit and a data sending unit, the dial switch is used for setting a physical address of the data acquisition terminal, the server comprises a processing unit, a monitoring screen, a storage unit, an inquiry unit and an information management unit, when the optical fiber detection is carried out, the server receives optical signals sent by a plurality of data acquisition terminals, converts the optical signals of each data acquisition terminal into corresponding OTDR curves to be displayed on the monitoring screen, and if abnormal parts exist on the OTDR curves, the processing unit carries out labeling prompt on the abnormal parts.
Description
Technical Field
The invention relates to the technical field of optical fiber detection, in particular to an optical fiber monitoring system for power networking.
Background
The optical communication network is the most important communication network in the current power industry and is responsible for the construction of high-speed and long-distance backbone communication. With the continuous expansion of the optical network scale, the transmission structure of the network becomes more and more complex, and the maintenance of the optical cable and the monitoring of the optical cable state become more and more important and more complex. At present, when an optical fiber in a communication network is abnormal, technicians mostly use an Optical Time Domain Reflectometer (OTDR) to search for a breakpoint position for the optical fiber, and finally repair the optical fiber. During the period of maintenance, the optical fiber is always in an unavailable state, so that economic loss is caused, the optical fiber cannot be detected in the using process of the optical fiber, potential hidden dangers can be found in time, and the optical fiber which is about to go wrong can be repaired.
Disclosure of Invention
In view of the defects of the background art, the invention provides an optical fiber monitoring system for power networking, and aims to solve the technical problem that the existing optical fiber monitoring system in the power networking is lacked, so that potential hidden dangers in the use process of optical fibers cannot be found in time, and economic loss is caused.
In order to solve the technical problems, the invention provides the following technical scheme: an optical fiber monitoring system for power networking comprises at least one data acquisition terminal and a server, wherein the data acquisition terminal comprises a dial switch, a signal generation unit, a signal receiving unit, a control unit and a data sending unit, the dial switch is electrically connected with an input terminal of the control unit and used for setting a physical address of the data acquisition terminal, the control unit drives the signal generation unit to send optical surge to an optical fiber, the signal receiving unit receives an optical signal reflected from the optical fiber and sends the optical signal to the control unit, and the control unit sends the optical signal to the server through the data sending unit; the server comprises a processing unit, a monitoring screen, a storage unit, an inquiry unit and an information management unit, wherein the processing unit draws an OTDR curve according to an optical signal and displays the OTDR curve on the monitoring screen, when abnormal points exist on the OTDR curve, the processing unit marks the abnormal points, the storage unit is used for storing the OTDR curve, the inquiry unit comprises a physical address input port arranged on the monitoring screen, the processing unit displays the OTDR curve acquired by a data acquisition terminal corresponding to the physical address according to physical address information input by the inquiry unit, the information management unit comprises a physical address input port and a contact mode input port arranged on the monitoring screen, the processing unit binds a data acquisition terminal corresponding to the physical address input by the physical address input port of the information management unit with a contact mode of a person in charge input by the contact mode input port, and when the OTDR curve of a certain data acquisition terminal is abnormal, the processing unit sends the abnormal information to the responsible person according to the corresponding responsible person contact way.
Further, the control unit starts to drive the signal generating unit to send the optical burst wave to the optical fiber after receiving the detection command sent by the server.
Furthermore, the control unit is electrically connected with the timing unit, when the timing time of the timing unit is up, the control unit starts to drive the signal generating unit to send the optical burst wave to the optical fiber, and when the control unit sends the optical signal to the server through the data sending unit, the timing unit counts time again.
Wherein the timing time of the timing unit can be set on the monitoring screen.
Further, when the server receives optical signals sent by a plurality of data acquisition terminals, the processing unit displays OTDR curves corresponding to the data acquisition terminals on the monitoring screen in a circulating manner, the display time of each OTDR curve is the same, and the display time of the OTDR curves is set on the monitoring screen.
Furthermore, the query unit further comprises a time input port arranged on the monitoring screen, and the processing unit displays the OTDR curve of the data acquisition terminal matched with the time information input by the time input port on the monitoring screen.
Further, the processing unit compares the current OTDR curve of the same data acquisition terminal with the previous OTDR curve, and if the absolute value of the difference between the reflection losses of the same position of the current OTDR curve and the previous OTDR curve exceeds a determination threshold, the processing unit performs an exception prompt on the monitoring screen, and the determination threshold can be set on the monitoring screen.
Compared with the prior art, the invention has the beneficial effects that:
1. each data acquisition terminal can set the physical address of the data acquisition terminal through the dial switch, so that the server can receive optical signals sent by the data acquisition terminals, and then the data acquisition terminals can be deployed in the power network, and the detection of the use quality of optical fibers in different road sections and different areas is realized.
2. When the optical fiber is abnormal, the abnormal information can be timely sent to the corresponding responsible person through the recorded contact way of the responsible person, and the rapid overhaul is realized.
3. The data acquisition terminal can automatically start to detect by receiving the detection command sent by the server or after the timing time is up, and the data acquisition terminal does not need to be operated manually, so that the manual use cost is reduced.
4. The server can compare two adjacent OTDR curves of the same data acquisition terminal, and if the absolute value of the difference of the reflection losses of the same position of the two OTDR curves exceeds a judgment threshold, the loss of the optical fiber in two monitoring times is large, the reason needs to be searched, and potential safety hazards are found and eliminated in time.
Drawings
The invention has the following drawings:
fig. 1 is a block diagram of an optical fiber monitoring system for power networking in an embodiment;
FIG. 2 is an OTDR curve when a fiber break occurs;
FIG. 3 is an OTDR curve showing the presence of contamination on the end face of the fiber;
fig. 4 is an OTDR plot showing large connector loss in the fiber.
In the figure: 1. the system comprises a data acquisition terminal, a server, a control unit, a dial switch, a signal sending unit, a signal receiving unit, a data sending unit, a timing unit, a processing unit, a storage unit, a monitoring screen, a timing unit, a processing unit, a storage unit, a monitoring screen, a query unit, a processing unit, a storage unit, a monitoring screen.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an optical fiber monitoring system for power networking includes at least one data acquisition terminal 1 and a server 2, where the data acquisition terminal 1 includes a dial switch 11, a signal generation unit 12, a signal reception unit 13, a control unit 10 and a data transmission unit 14, the dial switch 11 is electrically connected to an input terminal of the control unit 10 and is used to set a physical address of the data acquisition terminal 1, the control unit 10 drives the signal generation unit 12 to transmit a burst wave to an optical fiber, the signal reception unit 13 receives an optical signal reflected from the optical fiber and transmits the optical signal to the control unit 10, and the control unit 10 transmits the optical signal to the server 2 through the data transmission unit 14; the server 2 includes a processing unit 20, a monitoring screen 22, a storage unit 21, an inquiry unit 23 and an information management unit 24, the processing unit 20 draws an OTDR curve according to an optical signal, and displays the OTDR curve on the monitoring screen 22, when an abnormal point exists on the OTDR curve, the processing unit 20 marks the abnormal point, the storage unit 21 is used for storing the OTDR curve, the inquiry unit 23 includes a physical address input port arranged on the monitoring screen 22, the processing unit 20 displays the OTDR curve acquired by the data acquisition terminal 1 corresponding to the physical address on the monitoring screen 22 according to the physical address information input by the inquiry unit 23, the information management unit 24 includes a physical address input port and a contact manner input port arranged on the monitoring screen 22, the processing unit 20 ties the data acquisition terminal 1 corresponding to the physical address input by the physical address input port of the information management unit 24 with a responsible person contact manner input by the contact manner input port If the OTDR curve of a certain data acquisition terminal 1 is abnormal, the processing unit 20 sends the abnormal information to the corresponding responsible person according to the corresponding contact information of the responsible person.
The Rayleigh scattering and Fresnel reflection phenomena can occur due to the influence of the properties of the optical fiber, the connector, the joint, the bending or other similar factors when the optical pulse is transmitted in the optical fiber, the scattering and reflection optical signals are collected and measured and displayed in the form of a measurement track, and the track can describe the strength of the signals in the whole section of the optical fiber, so that the attenuation degree of each point of the optical fiber can be analyzed, and the optical power loss is caused by the local regularity, the break point, the connector and the connector of the optical fiber. The OTDR curve of the broken fiber in the optical fiber can be referred to fig. 2, the circled part in fig. 2 is a position interval of the broken point of the optical fiber, the OTDR curve of the end surface of the optical fiber that is contaminated can be referred to fig. 3, the circled part in fig. 3 is a position interval of the dirty point of the end surface of the optical fiber, the OTDR curve of the optical fiber with larger connector loss can be referred to fig. 4, and the circled part in fig. 4 is a position interval of the point with larger connector loss value.
When the optical fiber detection device is used, each data acquisition terminal 1 can set a physical address of the data acquisition terminal 1 through the dial switch 11, so that the server 2 can receive optical signals sent by a plurality of data acquisition terminals 1, further a plurality of data acquisition terminals 1 can be deployed in a power network, and the optical fiber use quality detection of different road sections and different areas is realized.
In order to reduce manual operations in the optical fiber detection process, in this embodiment, the control unit 10 starts to drive the signal generation unit 12 to send the optical burst wave to the optical fiber for detection after receiving a detection command sent by the server 2, or the control unit 10 is electrically connected to the timing unit 15, the control unit 10 starts to drive the signal generation unit 13 to send the optical burst wave to the optical fiber after the timing time of the timing unit 15 expires, and the timing unit 15 counts again after the control unit 10 sends the optical signal to the server 2 through the data sending unit 14, so that the timing time of the timing unit 15 can be set on the monitoring screen 22 for convenience of operation.
In this embodiment, when the server 2 receives optical signals sent by a plurality of data acquisition terminals 1, the processing unit 20 displays OTDR curves corresponding to the data acquisition terminals 1 on the monitoring screen 22 in a cycle, where the display time of each OTDR curve is the same, and the display time of the OTDR curves can be displayed on the monitoring screen 22.
In this embodiment, the query unit 23 further includes a time input port disposed on the monitoring screen 22, and the processing unit 20 displays the OTDR curve of the data acquisition terminal 1 matched with the time information input by the time input port on the monitoring screen 22.
In order to detect the position of the optical fiber with abnormal loss in the using process, the processing unit 20 compares the current OTDR curve and the previous OTDR curve of the same data acquisition terminal 1, and if the absolute value of the difference between the reflection losses of the same position of the current OTDR curve and the previous OTDR curve exceeds the determination threshold, the processing unit 20 performs an abnormal prompt on the monitoring screen 22, and the determination threshold can be set on the monitoring screen 22.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. An optical fiber monitoring system for power networking is characterized in that: the optical fiber monitoring system comprises at least one data acquisition terminal and a server, wherein the data acquisition terminal comprises a dial switch, a signal generation unit, a signal receiving unit, a control unit and a data transmission unit, the dial switch is electrically connected with an input terminal of the control unit and used for setting a physical address of the data acquisition terminal, the control unit drives the signal generation unit to transmit optical burst waves to an optical fiber, the signal receiving unit receives optical signals reflected from the optical fiber and transmits the optical signals to the control unit, and the control unit transmits the optical signals to the server through the data transmission unit; the server comprises a processing unit, a monitoring screen, a storage unit, a query unit and an information management unit, wherein the processing unit draws an OTDR curve according to the optical signal and displays the OTDR curve on the monitoring screen, when abnormal points exist on the OTDR curve, the processing unit marks the abnormal points, the storage unit is used for storing the OTDR curve, the query unit comprises a physical address input port arranged on the monitoring screen, the processing unit displays the OTDR curve acquired by a data acquisition terminal corresponding to the physical address according to physical address information input by the query unit, the information management unit comprises a physical address input port and a contact mode input port arranged on the monitoring screen, and the processing unit displays the data acquisition terminal corresponding to the physical address input port of the information management unit and a responsible person contact mode input by the contact mode input port And binding, wherein when the OTDR curve of a certain data acquisition terminal is abnormal, the processing unit sends abnormal information to the responsible person according to the corresponding responsible person contact mode.
2. The optical fiber monitoring system for power networking according to claim 1, wherein: and the control unit starts to drive the signal generation unit to send the optical burst waves to the optical fiber after receiving the detection command sent by the server.
3. The optical fiber monitoring system for power networking according to claim 1, wherein: the control unit is electrically connected with a timing unit, the control unit starts to drive the signal generation unit to send the optical burst wave to the optical fiber after the timing time of the timing unit is up, and the timing unit times again after the control unit sends the optical signal to the server through the data sending unit.
4. A fiber monitoring system for electrical power networking according to claim 3, wherein: the timing time of the timing unit can be set on the monitoring screen.
5. The optical fiber monitoring system for power networking according to claim 1, wherein: when the server receives optical signals sent by a plurality of data acquisition terminals, the processing unit displays OTDR curves corresponding to the data acquisition terminals on a monitoring screen in a circulating mode, the display time of each OTDR curve is the same, and the display time of the OTDR curves is displayed on the monitoring screen.
6. The optical fiber monitoring system for power networking according to claim 1, wherein: the query unit further comprises a time input port arranged on the monitoring screen, and the processing unit sets an OTDR curve of the data acquisition terminal matched with time information input by the time input port on the monitoring screen.
7. The optical fiber monitoring system for power networking according to claim 1, wherein: the processing unit compares the current OTDR curve with the last OTDR curve of the same data acquisition terminal, and if the absolute value of the difference between the reflection losses of the same position of the current OTDR curve and the last OTDR curve exceeds a judgment threshold, the processing unit performs exception prompting on the monitoring screen, and the judgment threshold can be set on the monitoring screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180815.4A CN112290999A (en) | 2020-10-29 | 2020-10-29 | Optical fiber monitoring system for power networking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180815.4A CN112290999A (en) | 2020-10-29 | 2020-10-29 | Optical fiber monitoring system for power networking |
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| CN112290999A true CN112290999A (en) | 2021-01-29 |
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| CN202011180815.4A Pending CN112290999A (en) | 2020-10-29 | 2020-10-29 | Optical fiber monitoring system for power networking |
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Effective date of registration: 20211126 Address after: 110 000 No. 18 Ningbo Road, Heping District, Shenyang, Liaoning Province Applicant after: INFORMATION COMMUNICATION BRANCH, STATE GRID LIAONING ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 110 000 No. 18 Ningbo Road, Heping District, Shenyang, Liaoning Province Applicant before: INFORMATION COMMUNICATION BRANCH, STATE GRID LIAONING ELECTRIC POWER Co.,Ltd. |
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Application publication date: 20210129 |