CN113098138A - Device for monitoring optical fiber blocking and monitoring method thereof - Google Patents

Device for monitoring optical fiber blocking and monitoring method thereof Download PDF

Info

Publication number
CN113098138A
CN113098138A CN202110498787.9A CN202110498787A CN113098138A CN 113098138 A CN113098138 A CN 113098138A CN 202110498787 A CN202110498787 A CN 202110498787A CN 113098138 A CN113098138 A CN 113098138A
Authority
CN
China
Prior art keywords
optical fiber
module
optical
monitoring
detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110498787.9A
Other languages
Chinese (zh)
Inventor
冯继强
赵丽
杨彬彬
孙蒙
谢君鹏
陈鹏
热依拉·阿不都瓦依提
姚杨
郭爽
闵富强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kashgar Power Supply Co Of State Grid Xinjiang Electric Power Co ltd
State Grid Corp of China SGCC
Original Assignee
Kashgar Power Supply Co Of State Grid Xinjiang Electric Power Co ltd
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kashgar Power Supply Co Of State Grid Xinjiang Electric Power Co ltd, State Grid Corp of China SGCC filed Critical Kashgar Power Supply Co Of State Grid Xinjiang Electric Power Co ltd
Priority to CN202110498787.9A priority Critical patent/CN113098138A/en
Publication of CN113098138A publication Critical patent/CN113098138A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • H02J13/00017—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus using optical fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/40—Display of information, e.g. of data or controls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Abstract

The present invention provides a device for fiber optic break monitoring comprising: the optical fiber detection device comprises a shell, a light source and a light source, wherein the shell is divided into an optical fiber detection part and an optical fiber installation part, and a display screen installation hole is formed in the upper surface of the optical fiber detection part; the optical fiber installation part is provided with a groove body for installing an optical fiber, and the end part of the groove body is provided with an optical fiber interface; the optical fiber acquisition module is arranged in the groove body and is used for being connected with the optical fiber to be detected; the optical fiber processing module is arranged on the inner side of the optical fiber monitoring part and is connected with the output end of the optical fiber acquisition module; the communication module is arranged in the optical fiber detection part, connected with the optical fiber processing module and used for sending out the optical fiber information monitored by the optical fiber processing module; the operation display module comprises operation buttons and a display module. The device for optical fiber blocking monitoring provided by the invention can be used for blocking monitoring of optical fibers in an electric power system, protecting the optical fibers to be detected, realizing remote monitoring and being convenient to carry and use.

Description

Device for monitoring optical fiber blocking and monitoring method thereof
Technical Field
The invention relates to the technical field of transformer substation switch cabinets, in particular to a device for optical fiber blocking monitoring and a monitoring method thereof.
Background
The length of the power optical fiber communication line is usually between several kilometers and hundreds of kilometers, and the optical time domain reflectometer is usually adopted for line fault monitoring. The optical time domain reflectometer adopts the optical radar principle in optical fibers, namely, the optical time domain reflection technology to identify and position faults on optical fiber circuits. In consideration of the importance of electric power communication services, in order to avoid that strong signal light pulses emitted by the optical time domain reflectometer may cause nonlinear optical effects in an optical fiber line to cause an increase in communication error rate, an online monitoring scheme is rarely adopted in an electric power system. In addition, because the optical time domain reflectometer adopts a direct detection mode, the detection sensitivity is low, the optical interference resistance is poor, and the monitoring over an ultra-long distance (200km) is difficult to realize.
In a transformer substation communication machine room, tens or even hundreds of optical fiber lines are generally connected and communicated with other surrounding transformer substations, and monitoring and management of the health condition of each optical fiber line are important contents of communication operation and maintenance of a power system, so that a corresponding device is very necessary to be developed according to the characteristics of the optical fiber lines and the objective requirements of communication management. The coherent detection technology is utilized to transfer the power of the detection signal light to a coherent intermediate frequency signal through the coherence (heterodyne) of the detection light and the local oscillator light, so that most of out-of-band noise can be suppressed by performing narrow-band filtering on the intermediate frequency signal, and the dynamic range of measurement is improved.
With the continuous development of communication networks, a large number of optical fibers are laid all over the country, the optical fibers are easily damaged due to natural reasons and human factors, the interruption of the optical fibers can impact the network security, and maintenance personnel need to replace new optical fibers within a short time, however, the method for manually replacing the optical fibers is difficult to ensure the optical fiber security over a long distance (such as 50 kilometers), the network is likely to be in an interrupted state within a long time, and particularly when the interrupted optical fibers are trunk lines, the normal use of a network system is greatly influenced.
Disclosure of Invention
To overcome the problems of the prior art described above, the present invention provides a device for fiber break monitoring.
The technical scheme of the invention is as follows:
apparatus for fiber optic blockage monitoring, comprising:
the optical fiber detection device comprises a shell, a light source and a light source, wherein the shell is divided into an optical fiber detection part and an optical fiber installation part, and a display screen installation hole is formed in the upper surface of the optical fiber detection part; the optical fiber installation part is provided with a groove body for installing an optical fiber, and the end part of the groove body is provided with an optical fiber interface;
the optical fiber acquisition module is arranged in the groove body and is used for being connected with the optical fiber to be detected;
the optical fiber processing module is arranged on the inner side of the optical fiber monitoring part and is connected with the output end of the optical fiber acquisition module;
the communication module is arranged in the optical fiber detection part, connected with the optical fiber processing module and used for sending out the optical fiber information monitored by the optical fiber processing module;
the operation display module comprises an operation button and a display module, the display module is embedded in the display screen mounting hole, the operation button is arranged on the lower side of the display module, and the display module is connected with the microprocessor;
and the power module is arranged in the optical fiber detection part and used for installing a battery bin of the battery, and a power switch and a power interface are arranged on the side edge of the battery bin.
The optical fiber collection module comprises an optical channel, a light splitter is arranged in the optical channel, a first detection optical channel and a second detection optical channel are arranged on the optical channel, and an optical fiber interface used for being connected with an optical fiber to be detected is arranged at the end of the groove body.
As a further technical solution of the present invention, the optical fiber processing module includes a microprocessor, an optical power monitoring module, an OTDR monitoring module, and an optical fiber amplifier, an input end of the optical fiber amplifier is connected to the first detection optical channel and the second detection optical channel, an output end of the optical fiber amplifier is connected to the optical power monitoring module and the OTDR monitoring module, and output ends of the optical power monitoring module and the OTDR monitoring module are connected to the microprocessor.
The further technical scheme of the invention is that the power supply module comprises a lithium battery and a charge and discharge management module, the charge and discharge management module is connected with the power supply interface, the charge and discharge management module is connected with the lithium battery, and the lithium battery supplies power to the microprocessor and the display module through the charge and discharge management module.
The communication module is a LORA communication interface, and a LORA antenna is connected to the LORA communication interface.
The invention further adopts the technical scheme that the intelligent alarm device further comprises an alarm module, and the alarm module is connected with the output end of the microprocessor.
As a further technical scheme of the invention, an anti-abrasion layer is arranged in the groove body.
The invention also provides a monitoring method for optical fiber blocking monitoring, which comprises the following steps:
connecting an optical fiber to be detected into an optical fiber interface, and starting power supply detection;
the optical fiber acquisition module detects an optical fiber to be detected which enters the optical fiber interface to acquire optical power and optical attenuation information;
the optical fiber processing module processes and analyzes the optical power and optical attenuation information acquired by the optical fiber acquisition module, judges blocking information of the optical fiber and sends the blocking information to the upper computer through the communication module for remote monitoring;
and the processing result of the optical fiber processing module is displayed through the display module, and when the optical fiber is abnormal, the alarm module is driven to alarm.
As a further technical solution of the present invention, the optical fiber collection module collects an optical fiber to be detected, which enters an optical fiber interface, and specifically includes: the optical fiber acquisition module divides an optical fiber to be detected accessed to the optical fiber interface into a first path of detection light and a second path of detection light through the light splitting module, and amplifies the first path of detection light and the second path of monitoring light through the optical fiber amplification module to obtain first path of optical power information and second path of optical power information; and detecting the optical attenuation and loss information of the first path of detection light and the second path of detection light by an OTDR monitoring module.
The optical fiber processing module is used for judging that a first path of optical power information acquired by the optical fiber acquisition module is blocked by an optical fiber, judging that the optical fiber is blocked by the first path of optical power information and the first path of optical attenuation and loss information by receiving the optical attenuation and loss information of the first path of monitoring light by the OTDR monitoring module, and using a second path of optical power information and the second path of optical attenuation and loss as auxiliary judgment; and when the detection result is that the optical fiber is blocked, the alarm module is controlled to alarm and send the alarm to the upper computer through the communication module.
The invention has the beneficial effects that:
1. the device for blocking and monitoring the optical fiber provided by the invention can block and monitor the optical fiber in the power system, the groove body is positioned at the outer side of the optical fiber installation part and extends to the side edge of the shell, the installation and the fixation of the optical fiber to be detected are convenient, the loosening of the optical fiber to be detected is prevented,
2. the anti-abrasion layer is arranged inside the groove body, the rubber pad can be adopted, abrasion between the optical fiber to be detected and the shell when the optical fiber to be detected is installed is prevented, and the optical fiber to be detected is protected.
3. The output end of the optical fiber interface is connected with the optical fiber acquisition module, the optical signal of the optical fiber to be detected is detected through the optical fiber acquisition module to obtain optical power information and optical attenuation and loss information, the optical fiber processing module analyzes and processes the received optical power information and the optical attenuation and loss information to judge the blocking condition of the optical fiber to be detected, meanwhile, optical fiber detection information is generated and transmitted to the upper computer through the communication module to realize remote monitoring,
4. the optical fiber processing module displays the optical fiber detection information on the display module through controlling the operation display module, so that detection personnel can conveniently check the optical fiber detection information.
5. The optical fiber blocking device is powered by the lithium battery, and when the optical fiber blocking device is used, a power supply cable does not need to be additionally connected, so that the optical fiber blocking device is convenient to carry and use.
Drawings
FIG. 1 is a front cross-sectional view of a device for fiber break monitoring in accordance with the present invention;
FIG. 2 is a front view of the device for fiber break monitoring according to the present invention;
FIG. 3 is a left side view of the apparatus for fiber break monitoring according to the present invention;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a schematic circuit diagram of the device for fiber break monitoring according to the present invention;
FIG. 6 is a flow chart of a monitoring method for fiber break monitoring according to the present invention;
shown in the figure:
1-a shell, 2-an optical fiber processing module, 3-an optical fiber acquisition module and 4-a communication module; 5-operation display module, 6-power module;
11-an optical fiber detection part, 12-an optical fiber installation part, 13-a display screen installation hole, 14-a groove body, 15-an optical fiber interface and 16-an anti-abrasion layer;
61-lithium battery, 62-charge and discharge management module.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
Referring to fig. 1 to 5, wherein fig. 1 is a front sectional view of the device for fiber break monitoring according to the present invention shown in fig. 1; FIG. 2 is a front view of the device for fiber break monitoring according to the present invention; FIG. 3 is a left side view of the apparatus for fiber break monitoring according to the present invention; FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a schematic circuit diagram of the device for fiber break monitoring according to the present invention;
as shown in fig. 1 to 5, the apparatus for fiber optic block monitoring includes: the optical fiber detection device comprises a shell 1, wherein the shell 1 is divided into an optical fiber detection part 11 and an optical fiber installation part 12, and a display screen installation hole 13 is formed in the upper surface of the optical fiber detection part 11; the optical fiber installation part 12 is provided with a groove body 14 for installing an optical fiber, and the end part of the groove body 14 is provided with an optical fiber interface 15; the optical fiber acquisition module 2 is arranged in the groove body and is used for being connected with an optical fiber to be detected; the optical fiber processing module 3 is arranged on the inner side of the optical fiber monitoring part and is connected with the output end of the optical fiber acquisition module; the communication module 4 is arranged in the optical fiber detection part, connected with the optical fiber processing module and used for sending out the optical fiber information monitored by the optical fiber processing module; the operation display module 5 comprises an operation button and a display module, the display module is embedded in the display screen mounting hole, the operation button is arranged on the lower side of the display module, and the display module is connected with the microprocessor; and the power module 6 is arranged in the optical fiber detection part and used for installing a battery bin of the battery, and a power switch and a power interface are arranged on the side edge of the battery bin.
The invention provides a device for blocking and monitoring optical fibers in an electric power system, which is used for blocking and monitoring the optical fibers in the electric power system, when in specific use, the optical fibers to be detected are connected to an optical fiber mounting part on a shell, the optical fibers to be detected are embedded in a groove body, the end part of the optical fibers to be detected is connected with an optical fiber interface, the groove body is used for fixing the optical fibers to be detected so as to prevent the optical fibers to be detected from being bent and damaged, the output end of the optical fiber interface is connected with an optical fiber acquisition module, optical signals of the optical fibers to be detected are detected through the optical fiber acquisition module to obtain optical power information and light attenuation and loss information, an optical fiber processing module is used for analyzing and processing the received optical power information and the light attenuation and loss information to judge the blocking condition of the optical fibers to be detected, meanwhile, the optical fiber detection information, the detection personnel can conveniently check the test paper.
In the embodiment of the invention, the optical fiber acquisition module comprises an optical channel, the optical channel is internally provided with a light splitter, the optical channel is provided with a first detection optical channel and a second detection optical channel, and the end part of the groove body is provided with an optical fiber interface for connecting with an optical fiber to be detected.
The light splitter of setting on the light channel will wait to detect the first detection light sum of the light branch of optical fiber transmission and second detection light, wherein first detection light is through the transmission of first detection light channel, the transmission of second monitoring light is through the transmission of second monitoring light channel, the cell body is located the outside of optic fibre installation department and extends to the side of casing, it is fixed to conveniently wait the installation of treating optic fibre, prevent to detect the not hard up condition of optic fibre appearance, set up wearing and tearing layer 16 in cell body 14 inside, can adopt the rubber pad, take place wearing and tearing with the casing when preventing to detect the optic fibre installation, it protects to treat detection optic fibre.
In the embodiment of the present invention, the optical fiber processing module includes a microprocessor, an optical power monitoring module, an OTDR monitoring module, and an optical fiber amplifier, an input end of the optical fiber amplifier is connected to the first detection optical channel and the second detection optical channel, an output end of the optical fiber amplifier is connected to the optical power monitoring module and the OTDR monitoring module, and output ends of the optical power monitoring module and the OTDR monitoring module are connected to the microprocessor. The optical fiber amplifier is arranged at the output end of the first detection optical channel and used for amplifying and outputting the first detection optical, the output end of the optical fiber amplifier is connected with the optical power detection module, the optical power detection module is used for carrying out optical power detection on the first detection optical and transmitting the first detection optical to the microprocessor, the OTDR monitoring module is connected with the second detection optical channel, the OTDR monitoring module is used for detecting the second detection optical in the second detection optical channel by transmitting a test signal to the second detection optical channel, and acquiring the optical attenuation and loss of the second detection optical, and judging the blocking of the optical fiber to be detected according to the detected optical power information and the optical attenuation and loss.
The power module includes lithium cell 61 and charge-discharge management module 62, charge-discharge management module and power source interface connection, charge-discharge management module be connected with the lithium cell, the lithium cell is microprocessor, display module power supply through charge-discharge management module. Can be connected with external power supply line through power source, charge and discharge control to the lithium cell through charge-discharge management module, for optic fibre collection module, optic fibre processing module and display module power supply, supply power to optic fibre blocking device through setting up the lithium cell, when using, need not connect the power supply cable in addition, conveniently carry the use.
The communication module can adopt a LORA communication interface, and a LORA antenna is connected to the LORA communication interface.
And an alarm module is also arranged in the shell and is connected with the output end of the microprocessor. The alarm module adopts an audible and visual alarm, when the optical fiber blocking is detected, an indicator lamp of the audible and visual alarm flickers, and meanwhile, an alarm sound is sent to prompt detection personnel. The display module is a capacitive touch display screen.
Referring to fig. 6, it is a flow chart of the monitoring method for monitoring the blocking of the optical fiber proposed by the present invention;
as shown in fig. 6, the present invention also provides a monitoring method for fiber break monitoring, comprising the steps of:
step 201, connecting an optical fiber to be detected to an optical fiber interface, and starting power supply detection;
202, an optical fiber acquisition module detects an optical fiber to be detected accessed to an optical fiber interface to acquire optical power and optical attenuation information;
step 203, the optical fiber processing module processes and analyzes the optical power and optical attenuation information collected by the optical fiber collecting module, judges blocking information of the optical fiber and sends the blocking information to an upper computer through a communication module for remote monitoring;
and 204, displaying the processing result of the optical fiber processing module through the display module, and driving the alarm module to alarm when the optical fiber is abnormal.
In step 203, the optical fiber acquisition module detects an optical fiber to be detected entering the optical fiber interface to obtain optical power and optical attenuation information, and specifically includes: the optical fiber acquisition module divides an optical fiber to be detected accessed to the optical fiber interface into a first path of detection light and a second path of detection light through the light splitting module, and amplifies the first path of detection light and the second path of monitoring light through the optical fiber amplification module to obtain first path of optical power information and second path of optical power information; and detecting the optical attenuation and loss information of the first path of detection light and the second path of detection light by an OTDR monitoring module.
In the embodiment of the invention, an optical fiber processing module is used for judging a first path of optical power information acquired by an optical fiber acquisition module as an optical fiber blocking, the optical fiber blocking is judged by receiving optical attenuation and loss information of a first path of monitoring light from an OTDR monitoring module and through the first path of optical power information and the first path of optical attenuation and loss information, and a second path of optical power information and a second path of optical attenuation and loss are used as auxiliary judgments; and when the detection result is that the optical fiber is blocked, the alarm module is controlled to alarm and send the alarm to the upper computer through the communication module.
In the embodiment of the invention, whether the blocking fault occurs in the optical cable line is judged by comparing the optical power, the optical attenuation and the loss information collected by the optical fiber collecting module, and the microprocessor module adopts a PIC16F690 type microprocessor. The optical fiber blocking monitoring information is transmitted to the upper computer through the communication module in a wired or wireless mode, wherein the wired mode can adopt an RS-232 or RS-485 interface, and the wireless mode can adopt an LORA antenna to transmit data.
The monitoring optical fiber line in this embodiment is an optical fiber line configured for the optical fiber line to be detected and used for transmitting the test signal. It should be understood that, in this embodiment, the monitoring optical fiber line configured for the optical fiber line to be detected is an optical fiber line capable of correspondingly showing the condition of the optical fiber line to be detected.
In this embodiment, the correspondence between the monitoring optical fiber line and the optical fiber line to be detected can be flexibly set according to specific application requirements. One monitoring optical fiber line can correspond to one optical fiber line to be detected, and one monitoring optical fiber line can correspond to two or more optical fiber lines to be detected. Two or more optical fiber lines to be detected can be set to correspond to one monitoring optical fiber line according to requirements.
The rules for sending test signals on the monitoring fiber line can also be flexibly set. The cyclic transmission of the test signal may be performed in a set test signal transmission period. In some application scenarios, the test signal sending period may be set to a period with a fixed duration, or may be set to a period with a dynamically variable duration according to requirements.
The OTDR monitoring module is used for line measurement, an optical fiber line to be measured can be directly connected to the OTDR monitoring module, the OTDR monitoring module adopts a modular or plate clamp type optical time domain reflectometer with a high dynamic range (more than or equal to 38dB), and faults such as fiber breakage, loose connection, abnormal attenuation and the like of the measuring line can be measured with high precision. The wavelength of the OTDR monitoring module can be selected from 1625nm, 1650nm or 1502.5 nm.
The power change condition can reflect the power attenuation change condition of the monitoring optical fiber circuit, so that whether the power attenuation change of the monitoring optical fiber circuit is abnormal or not can be determined according to the power change condition. In addition, in this embodiment, the determination may be performed according to a power change condition between two adjacent reflection signals, or may be performed according to a power change condition between more than two adjacent reflection signals, and specifically, the determination may be flexibly set according to a requirement.
The OTDR monitoring module can transmit a test signal to the optical fiber interface through a passive optical reflector connected with the optical fiber interface, wherein the test signal is a pulse signal, the OTDR monitoring module can accurately calculate the attenuation of the optical fiber line by detecting the intensity of the optical pulse signal reflected by the passive optical reflector, the OTDR monitoring module can obtain the change of the loss of the optical fiber line by comparing the attenuation with the normal attenuation of the optical fiber line, and sends alarm information to the micro-processing module by analyzing whether the change value exceeds a threshold value of early warning or alarm.
The micro-processing module can configure measurement parameters, and the measurement parameters comprise at least one of a test signal transmission mode (such as single pulse/pulse sequence/transmission period and the like), a measurement pulse width, a measurement time length, a pulse sequence length and the like.
The present invention has been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims (10)

1. An apparatus for fiber optic break monitoring, comprising:
the optical fiber detection device comprises a shell, a light source and a light source, wherein the shell is divided into an optical fiber detection part and an optical fiber installation part, and a display screen installation hole is formed in the upper surface of the optical fiber detection part; the optical fiber installation part is provided with a groove body for installing an optical fiber, and the end part of the groove body is provided with an optical fiber interface;
the optical fiber acquisition module is arranged in the groove body and is used for being connected with the optical fiber to be detected;
the optical fiber processing module is arranged on the inner side of the optical fiber monitoring part and is connected with the output end of the optical fiber acquisition module;
the communication module is arranged in the optical fiber detection part, connected with the optical fiber processing module and used for sending out the optical fiber information monitored by the optical fiber processing module;
the operation display module comprises an operation button and a display module, the display module is embedded in the display screen mounting hole, the operation button is arranged on the lower side of the display module, and the display module is connected with the microprocessor;
and the power module is arranged in the optical fiber detection part and used for installing a battery bin of the battery, and a power switch and a power interface are arranged on the side edge of the battery bin.
2. The device for optical fiber blocking monitoring according to claim 1, wherein the optical fiber collection module includes an optical channel, a splitter is disposed inside the optical channel, a first detection optical channel and a second detection optical channel are disposed on the optical channel, and an optical fiber interface for connecting with an optical fiber to be detected is disposed at an end of the tank.
3. The apparatus of claim 1, wherein the optical fiber processing module comprises a microprocessor, an optical power monitoring module, an OTDR monitoring module, and an optical fiber amplifier, an input end of the optical fiber amplifier is connected to the first detection optical channel and the second detection optical channel, an output end of the optical fiber amplifier is connected to the optical power monitoring module and the OTDR monitoring module, and output ends of the optical power monitoring module and the OTDR monitoring module are connected to the microprocessor.
4. The device for monitoring blocking of optical fiber according to claim 1, wherein the power module comprises a lithium battery and a charge and discharge management module, the charge and discharge management module is connected with the power interface, the charge and discharge management module is connected with the lithium battery, and the lithium battery supplies power to the microprocessor and the display module through the charge and discharge management module.
5. The apparatus of claim 1, wherein the communication module is a LORA communication interface, and a LORA antenna is connected to the LORA communication interface.
6. The apparatus of claim 1, further comprising an alarm module, wherein the alarm module is connected to an output of the microprocessor.
7. The device for optical fiber blockage monitoring as claimed in claim 1, wherein an anti-wear layer is arranged inside the groove body.
8. A device for fiber optic break monitoring according to claim 1, characterized in that the monitoring method for fiber optic break monitoring comprises the steps of:
connecting an optical fiber to be detected into an optical fiber interface, and starting power supply detection;
the optical fiber acquisition module detects an optical fiber to be detected which enters the optical fiber interface to acquire optical power and optical attenuation information;
the optical fiber processing module processes and analyzes the optical power and optical attenuation information acquired by the optical fiber acquisition module, judges blocking information of the optical fiber and sends the blocking information to the upper computer through the communication module for remote monitoring;
and the processing result of the optical fiber processing module is displayed through the display module, and when the optical fiber is abnormal, the alarm module is driven to alarm.
9. The monitoring method for optical fiber blocking monitoring according to claim 8, wherein the optical fiber collection module collects an optical fiber to be detected that enters the optical fiber interface, and specifically includes: the optical fiber acquisition module divides an optical fiber to be detected accessed to the optical fiber interface into a first path of detection light and a second path of detection light through the light splitting module, and amplifies the first path of detection light and the second path of monitoring light through the optical fiber amplification module to obtain first path of optical power information and second path of optical power information; and detecting the optical attenuation and loss information of the first path of detection light and the second path of detection light by an OTDR monitoring module.
10. The monitoring method for optical fiber blocking monitoring according to claim 8, wherein the optical fiber processing module determines, as the optical fiber blocking, the first path of optical power information acquired by the optical fiber acquisition module, by receiving optical attenuation and loss information of the first path of monitoring light from the OTDR monitoring module, determines, as the auxiliary determination, the optical fiber blocking according to the first path of optical power information and the first path of optical attenuation and loss information, and determines, as the auxiliary determination, the second path of optical power information and the second path of optical attenuation and loss; and when the detection result is that the optical fiber is blocked, the alarm module is controlled to alarm and send the alarm to the upper computer through the communication module.
CN202110498787.9A 2021-05-08 2021-05-08 Device for monitoring optical fiber blocking and monitoring method thereof Pending CN113098138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110498787.9A CN113098138A (en) 2021-05-08 2021-05-08 Device for monitoring optical fiber blocking and monitoring method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110498787.9A CN113098138A (en) 2021-05-08 2021-05-08 Device for monitoring optical fiber blocking and monitoring method thereof

Publications (1)

Publication Number Publication Date
CN113098138A true CN113098138A (en) 2021-07-09

Family

ID=76664191

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110498787.9A Pending CN113098138A (en) 2021-05-08 2021-05-08 Device for monitoring optical fiber blocking and monitoring method thereof

Country Status (1)

Country Link
CN (1) CN113098138A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205407823U (en) * 2016-02-29 2016-07-27 国网河南省电力公司南阳供电公司 Optical cable fibre core intelligent monitoring system
CN208548909U (en) * 2018-09-17 2019-02-26 四川汇源信息技术有限公司 A kind of lightguide cable link Intelligent monitoring device
CN209545594U (en) * 2019-04-15 2019-10-25 沈阳仕得蓝科技有限公司 A kind of Cable's Fault monitoring and positioning system
CN209608654U (en) * 2019-05-17 2019-11-08 沈阳仕得蓝科技有限公司 A kind of optical-fiber network handover control system based on photoswitch
CN211014725U (en) * 2019-12-31 2020-07-14 深圳市华科检测技术有限公司 P L C coupling clamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205407823U (en) * 2016-02-29 2016-07-27 国网河南省电力公司南阳供电公司 Optical cable fibre core intelligent monitoring system
CN208548909U (en) * 2018-09-17 2019-02-26 四川汇源信息技术有限公司 A kind of lightguide cable link Intelligent monitoring device
CN209545594U (en) * 2019-04-15 2019-10-25 沈阳仕得蓝科技有限公司 A kind of Cable's Fault monitoring and positioning system
CN209608654U (en) * 2019-05-17 2019-11-08 沈阳仕得蓝科技有限公司 A kind of optical-fiber network handover control system based on photoswitch
CN211014725U (en) * 2019-12-31 2020-07-14 深圳市华科检测技术有限公司 P L C coupling clamp

Similar Documents

Publication Publication Date Title
US8067946B2 (en) Method for repairing a transmission line in an electrical power distribution system
CN109186895B (en) Distributed passive gas transmission pipeline leakage multi-parameter fusion early warning detection device and method
CN106546801B (en) A kind of electricity leakage sensor, high-tension distribution box and electric vehicle
CN2924549Y (en) Lighting cable power-off stealing detection device
US20080044179A1 (en) Method and Apparatus for Monitoring the Security of an Optical Cable Link During Installation
US20080199185A1 (en) Method an apparatus for obtaining real-time measurements of optical signals in an optical network with minimal or no interruptions in communications over the network
CA2703521C (en) Faulted circuit indicator apparatus with transmission line state display and method of use thereof
KR20180098718A (en) Optical time domain reflectometer for divided optical fiber monitering on optical termination box
CN110601066A (en) Transmission line safety monitoring management system
CN102706514A (en) Optical fiber water sensing system and method
CN208548909U (en) A kind of lightguide cable link Intelligent monitoring device
CN113098138A (en) Device for monitoring optical fiber blocking and monitoring method thereof
CN104049185B (en) A kind of Portable PD On-Line detecting system and method
KR101180010B1 (en) insulation diagnosis apparatus of forswitchgear using ultraviolet rays sensor and electromagnetic wave sensor
CN205622318U (en) Power consumption monitoring system and distribution network
JP2006071602A (en) Optical path abnormality diagnostic device and diagnostic method
CN110243548A (en) A kind of optical cable connecting box infiltration detection system
CN107247177B (en) Remote control distribution network electricity testing and grounding wire detection device
KR101210465B1 (en) One body type optical power meter having fault position finder
CN206481303U (en) A kind of optical fiber detector and its application circuit for spare fibre
JP2022051488A (en) Receiver and fire alarm system
CN207410005U (en) A kind of energy saving power grid measure voltage ＆ current protective device
CN106771814A (en) A kind of leakage current monitors instruction device
CN205912058U (en) Optic fibre on -line monitoring system
CN206922756U (en) Online Cable's Fault monitoring device based on OTDR

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210709

RJ01 Rejection of invention patent application after publication