CN111811550A - Optical cable state monitoring system - Google Patents
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- CN111811550A CN111811550A CN202010549691.6A CN202010549691A CN111811550A CN 111811550 A CN111811550 A CN 111811550A CN 202010549691 A CN202010549691 A CN 202010549691A CN 111811550 A CN111811550 A CN 111811550A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 117
- 230000003287 optical effect Effects 0.000 title claims abstract description 94
- 239000013307 optical fiber Substances 0.000 claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000007726 management method Methods 0.000 claims description 41
- 238000004891 communication Methods 0.000 claims description 18
- 238000013523 data management Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 238000009795 derivation Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000013024 troubleshooting Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
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Abstract
The invention relates to an optical cable state monitoring system, which comprises a data center and a plurality of optical cable state monitoring sub-network systems, and is characterized in that: the data center comprises an online monitoring platform and a GIS display platform; the optical cable monitoring subnet system comprises a substation machine room module and a power transmission line module, wherein the substation machine room module comprises a distributed optical fiber sensor, a demodulator, a data processing PC and a router, the power transmission line module comprises a point fiber grating (FBG) sensor, and the optical cable state monitoring subnet system is used for controlling the sensor and collecting, processing and analyzing the detection data of the sensor. The GIS platform displays position information of optical cables, stations, towers and the like in a geographic information map mode. And the position of a fault point on the current optical cable can be accurately reflected in real time according to the longitude and latitude of the fault point, and the operation early warning information of the optical cable is displayed in time.
Description
Technical Field
The invention relates to an optical cable state monitoring system, in particular to an optical cable state comprehensive online monitoring system based on optical fiber sensing and GIS technology, and belongs to the technical field of optical fiber sensing state monitoring systems.
Background
With the increasing environmental pressure of global resources, the deepening of the electric power marketization process and the increasing of the reliability and quality requirements of users on electric energy, the construction of a safer, more reliable, more environment-friendly and more economic electric power system becomes a common target of the global electric power industry. China is vast, the power communication optical cable network is widely distributed, the communication optical cables of the national power grid company reach 129.53 kilometers, and the length of 22 extra-high voltage optical cables reaches 40.264 kilometers. The construction optical cable of the backbone transmission network of the national power grid company is 35.66 kilometres, and the construction optical cable of the 10kV communication access network is 28.34 kilometres. The optical cable is long in operation and maintenance line and higher in operation and maintenance difficulty, the line to be monitored is 20 kilometers calculated according to the state monitoring coverage rate of 500kV trans-regional transmission lines and large-span towers, the optical cable state monitoring at the present stage is developed from the past manual line inspection to the popularization of an electronic monitoring system at present, and the optical cable state monitoring technology is greatly developed but still faces a severe challenge. At present, the optical cable state online monitoring system is mainly formed by building various electronic sensors, so that an additional power supply and a power supply pipeline are required to be installed and laid when the monitoring system is built, and although stable power supply can be ensured, the use environment of the monitoring system is undoubtedly limited. The traditional electronic sensors are active devices, and are extremely susceptible to interference in a complex electromagnetic environment such as a high-voltage transmission line, so that remote transmission of monitoring data and data accuracy are difficult to guarantee. Therefore, the existing electronic optical cable state monitoring system is difficult to meet the real-time monitoring requirement on the state of the field power transmission line with severe geographical conditions and climatic environments, and has a series of problems of low reliability, complex installation, difficult maintenance, high cost and the like. Therefore, it is necessary to establish a set of optical cable intelligent analysis, monitoring, protection and management system aiming at the current situations of wide breadth of members and high operation and maintenance difficulty in China.
Disclosure of Invention
In order to solve the problems and the defects in the prior art, the invention provides a passive, reliable, long-distance and high-precision optical cable state comprehensive online monitoring system. The optical fiber sensing technology is combined with the GIS technology, so that the optical fiber monitoring system is used for monitoring the state of the optical cable on line and displaying the state and the abnormal position of the optical cable in a monitoring system in real time. Therefore, the high-efficiency monitoring of the optical fiber state is realized, and the positioning of the abnormal information of the optical cable is accurate.
In order to achieve the purpose, the invention adopts the technical scheme that:
the optical cable state monitoring system comprises a data center and a plurality of optical cable state monitoring sub-network systems, and is characterized in that: the data center comprises an online monitoring platform and a GIS display platform and is used for carrying out centralized management and result display on a plurality of optical cable detection sub-network systems distributed in various cities; the optical cable monitoring subnet system comprises a substation machine room module and a power transmission line module, wherein the substation machine room module comprises a distributed optical fiber sensor, a demodulator, a data processing PC and a router, the power transmission line module comprises a point fiber grating (FBG) sensor, and the optical cable state monitoring subnet system is used for controlling the sensor and collecting, processing and analyzing the detection data of the sensor.
Preferably, the optical cable state monitoring system is an optical cable state comprehensive online monitoring system based on optical fiber sensing and GIS technology.
Preferably, optical information monitored by a point-mode Fiber Bragg Grating (FBG) sensor on an optical cable is transmitted to a substation demodulator through an optical fiber composite overhead ground wire (OPGW) optical cable; the transformer substation demodulator and the transformer substation distributed optical fiber sensor send monitoring source information to the data processing PC through serial port communication, and the data processing PC calculates and processes the monitoring source information; and the data processing PC of the transformer substation collects the processed corresponding monitoring results into a data center through an Ethernet port in a TCP/IP mode and a national network internal security gateway by using a power communication channel, and the data center can perform centralized management and result display on a plurality of optical cable monitoring sub-networks distributed in various cities.
Preferably, the GIS display platform comprises a whole-network situation presentation GIS module, a line and tower information adding and maintaining module, an alarm confirming and processing module and a target value data viewing module.
Preferably, the point type Fiber Bragg Grating (FBG) sensor is mounted on a power transmission line tower, and when the point type Fiber Bragg Grating (FBG) sensor fails, the longitude and latitude of a failure point directly obtain the longitude and latitude of the tower where the point type Fiber Bragg Grating (FBG) sensor is located.
Preferably, the distributed optical fiber sensor is installed in a substation machine room, and the distributed optical fiber sensor can measure the distance between the fault point and the optical fiber head of the sensor, and the longitude and latitude of the fault point are calculated through the longitude and latitude of the substation machine room and the GIS (geographic information system) diagram of the optical cable line.
Preferably, the online monitoring platform comprises a basic data management module, a real-time data management module, an alarm management module and a system management module; a user logs in an online monitoring platform through a power communication network, and the online monitoring platform displays monitoring information required by the user in a graphic page in the form of a list and a chart; a user can configure optical cable lines, sensor line resources and measurement modes in the cable monitoring platform.
Preferably, the basic data management module comprises a line management module, a tower management module and a sensor management module.
Preferably, the real-time data management module comprises a target value data presentation module, a target value data derivation module and a target value history data module.
Preferably, the alarm management module package includes an alarm threshold management module, an alarm data query module, and an alarm data statistics module.
Preferably, the system management module mainly comprises a user management module, an entity management module and a role management module.
Compared with the prior art, the scheme of the embodiment of the invention has the prominent substantial characteristic that the point type optical fiber sensor, the distributed optical fiber sensor and the GIS system are combined. (1) The abnormal points of the monitored optical cable state can be directly positioned. The point-mode optical fiber sensing device positioned on the optical cable line can realize long-distance multi-point online monitoring on parameters such as temperature, humidity, wind speed, wind direction, rainfall, ice coating and the like.
(2) The distributed optical fiber sensing device in the transformer substation machine room can realize distributed accurate online monitoring on multiple parameters of transmission line optical fiber attenuation, temperature, strain, vibration, humidity, wind speed, wind direction, rainfall and the like. The two sensors are combined, so that the range and the precision of monitoring data can be improved.
(3) The data monitored by the point type sensor and the distributed sensor are sent to a data processing PC in the transformer substation through a serial port, and the data processing PC can obtain the result information of lightning stroke positioning, icing early warning, fault identification, fault early warning and the like of the optical cable line by calculating, analyzing and processing the monitoring data. The worker can know the specific information of the fault before or at the first time of the fault, such as the fault occurrence type, the specific position of the fault and the like. The loss caused by the cable failure or the abnormal state of the cable can be greatly reduced.
(4) And transmitting an optical cable parameter monitoring result obtained by the data processing PC of the transformer substation to a data center through a power communication network, carrying out longitude and latitude calculation on a point with a fault and an abnormal state by an online monitoring platform, and storing monitoring information and the longitude and latitude calculation result into a database. Because the point type sensor is arranged on the transmission line tower, the longitude and latitude of the tower where the point type sensor is arranged can be directly obtained for the longitude and latitude of the point type sensor. The distributed sensor is arranged in the transformer substation machine room, and can measure the distance between the fault point and the optical fiber head of the sensor, and the longitude and latitude of the fault point can be calculated through the longitude and latitude of the transformer substation machine room and the GIS (geographic information system) diagram of the optical cable line. When a user logs in the online monitoring software platform through the power communication network, the software platform displays monitoring information required by the user in a graphic page in the form of a list and a chart; meanwhile, the line resources such as optical cable lines, sensors and the like and the measurement mode can be configured in the software platform. The cable monitoring system can realize automatic, real-time and visual monitoring of the cable, and greatly reduces the inspection difficulty of workers. When a user logs in the GIS display platform, the GIS display platform displays position information of optical cables, stations, towers and the like in a geographic information map mode. And the position of a fault point on the current optical cable can be accurately reflected in real time according to the longitude and latitude of the fault point, and the operation early warning information of the optical cable is displayed in time. The system can facilitate the troubleshooting of the fault and the positioning and the maintenance of the fault by workers.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that although the terms first, second, third and the like may be used in the embodiments of the present application, these terms should not be limited to these terms. These terms are only used to distinguish one description from another. For example, a first descriptor may also be referred to as a second descriptor, and similarly, a second descriptor may also be referred to as a first descriptor, without departing from the scope of embodiments of the present application.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
Example 1
The invention provides an optical cable state monitoring system, which is an optical cable state comprehensive online monitoring system based on optical fiber sensing and GIS technology, and comprises an optical cable state monitoring system data center module and an optical cable monitoring subnet system module.
The data center module comprises an online monitoring platform and a GIS display platform, and can be upwards accessed to a national network SG-TMS or a distribution network SCADA.
The data center comprises an online monitoring platform and a GIS display platform and is used for carrying out centralized management and result display on a plurality of optical cable detection sub-network systems distributed in various cities; the optical cable monitoring subnet system comprises a substation machine room module and a power transmission line module, wherein the substation machine room module comprises a distributed optical fiber sensor, a demodulator, a data processing PC and a router, the power transmission line module comprises a point fiber grating (FBG) sensor, and the optical cable state monitoring subnet system is used for controlling the sensor and collecting, processing and analyzing the detection data of the sensor.
Preferably, optical information monitored by a point-mode Fiber Bragg Grating (FBG) sensor on an optical cable is transmitted to a substation demodulator through an optical fiber composite overhead ground wire (OPGW) optical cable; the transformer substation demodulator and the transformer substation distributed optical fiber sensor send monitoring source information to the data processing PC through serial port communication, and the data processing PC calculates and processes the monitoring source information; and the data processing PC of the transformer substation collects the processed corresponding monitoring results into a data center through an Ethernet port in a TCP/IP mode and a national network internal security gateway by using a power communication channel, and the data center can perform centralized management and result display on a plurality of optical cable monitoring sub-networks distributed in various cities.
Example 2
On the basis of the above embodiment 1, the online monitoring platform includes a basic data management module, a real-time data management module, an alarm management module, and a system management module. The basic data management module mainly comprises: the system comprises a line management module, a tower management module and a sensor management module. The real-time data management module mainly comprises: the device comprises a target value data presentation module, a target value data derivation module and a target value historical data module. The alarm management module mainly comprises: the alarm device comprises an alarm threshold management module, an alarm data query module and an alarm data statistic module. The system management module mainly comprises: the system comprises a user management module, a unit management module and a role management module.
A user logs in an online monitoring platform through a power communication network, and the online monitoring platform displays monitoring information required by the user in a graphic page in the form of a list and a chart; a user can configure optical cable lines, sensor line resources and measurement modes in the cable monitoring platform. The cable monitoring system can realize automatic, real-time and visual monitoring of the cable, and greatly reduces the inspection difficulty of workers.
Example 3
On the basis of the above embodiment 1 and/or 2, the GIS display platform includes a whole-network situation presentation GIS module, a maintenance line and tower information adding module, an alarm confirming and handling module, and a target value data viewing module.
When a user logs in the GIS display platform, the GIS display platform displays position information of optical cables, stations, towers and the like in a geographic information map mode.
The optical cable monitoring subnet system module comprises a transformer substation machine room module and a power transmission line module. The transformer substation machine room module comprises a distributed sensor, a demodulator, a data processing PC and a router. The power transmission line module includes a point mode Fiber Bragg Grating (FBG) sensor.
Transmitting optical information monitored by an FBG sensor on an optical cable to a transformer substation demodulator through an optical fiber composite overhead ground wire (OPGW) optical cable; the transformer substation demodulator and the transformer substation distributed optical fiber sensor send monitoring source information to the data processing PC through serial port communication, and the data processing PC calculates and processes the monitoring source information. And the data processing PC of the transformer substation collects the processed corresponding monitoring results into a data center through an Ethernet port in a TCP/IP mode and a national network internal security gateway by using a power communication channel, and the data center can perform centralized management and result display on optical cable monitoring sub-networks distributed in various cities.
The point type Fiber Bragg Grating (FBG) sensor is installed on a power transmission line tower, and when the point type FBG sensor breaks down, the longitude and latitude of a fault point directly obtain the longitude and latitude of the tower where the point type FBG sensor is located.
The distributed optical fiber sensor is installed in a transformer substation machine room, the distance between a fault point and a sensor optical fiber head can be measured by the distributed optical fiber sensor, and the longitude and latitude of the fault point are calculated through the longitude and latitude of the transformer substation machine room and an optical cable line GIS (geographic information system) diagram.
When a user logs in the GIS display platform, the position of a fault point on the current optical cable can be accurately reflected in real time according to the longitude and latitude of the fault point, and the operation early warning information of the optical cable is displayed in time. The system can facilitate the troubleshooting of the fault and the positioning and the maintenance of the fault by workers.
The invention provides an optical cable state comprehensive online monitoring system based on an optical fiber sensing technology and a GIS technology through the embodiment, which comprises a data center and an optical cable monitoring sub-network system.
The data center consists of an online monitoring platform and a GIS display platform, is a center for controlling and displaying the whole system, and is used for carrying out centralized management and result display on optical cable monitoring subnet systems distributed in various cities. After a user is connected to the data center through the operation terminal, the user can log in the system to execute online monitoring control; the information of system alarm, data, report forms and the like can also be presented through a GIS, topology and other visual graph operation interfaces; and performing related operations such as resource allocation, optical cable state checking and the like.
The optical cable state monitoring sub-network system consists of a data processing PC of a transformer substation, a demodulator, a distributed optical fiber sensor, a router and a point type optical fiber sensing device of a monitoring point on a transmission line, and is used for controlling the sensor and collecting, processing and analyzing the monitoring data of the sensor.
The biggest difference from the prior art is that a point type optical fiber sensor and a distributed optical fiber sensor are combined with a GIS system.
And the abnormal points of the monitored optical cable state can be directly positioned.
The point-mode optical fiber sensing device positioned on the optical cable line can realize long-distance multi-point online monitoring on parameters such as temperature, humidity, wind speed, wind direction, rainfall, ice coating and the like. The distributed optical fiber sensing device in the transformer substation machine room can realize distributed accurate online monitoring on multiple parameters of transmission line optical fiber attenuation, temperature, strain, vibration, humidity, wind speed, wind direction, rainfall and the like. The two sensors are combined, so that the range and the precision of monitoring data can be improved.
The data monitored by the point type sensor and the distributed sensor are sent to a data processing PC in the transformer substation through a serial port, and the data processing PC can obtain the result information of lightning stroke positioning, icing early warning, fault identification, fault early warning and the like of the optical cable line by calculating, analyzing and processing the monitoring data. The worker can know the specific information of the fault before or at the first time of the fault, such as the fault occurrence type, the specific position of the fault and the like. The loss caused by the cable failure or the abnormal state of the cable can be greatly reduced.
And transmitting an optical cable parameter monitoring result obtained by the data processing PC of the transformer substation to a data center through a power communication network, carrying out longitude and latitude calculation on a point with a fault and an abnormal state by an online monitoring platform, and storing monitoring information and the longitude and latitude calculation result into a database. Because the point type sensor is arranged on the transmission line tower, the longitude and latitude of the tower where the point type sensor is arranged can be directly obtained for the longitude and latitude of the point type sensor. The distributed sensor is arranged in the transformer substation machine room, and can measure the distance between the fault point and the optical fiber head of the sensor, and the longitude and latitude of the fault point can be calculated through the longitude and latitude of the transformer substation machine room and the GIS (geographic information system) diagram of the optical cable line. When a user logs in the online monitoring software platform through the power communication network, the software platform displays monitoring information required by the user in a graphic page in the form of a list and a chart; meanwhile, the line resources such as optical cable lines, sensors and the like and the measurement mode can be configured in the software platform. The cable monitoring system can realize automatic, real-time and visual monitoring of the cable, and greatly reduces the inspection difficulty of workers. When a user logs in the GIS display platform, the GIS display platform displays position information of optical cables, stations, towers and the like in a geographic information map mode. And the position of a fault point on the current optical cable can be accurately reflected in real time according to the longitude and latitude of the fault point, and the operation early warning information of the optical cable is displayed in time. The system can facilitate the troubleshooting of the fault and the positioning and the maintenance of the fault by workers.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An optical cable state monitoring system comprises a data center and a plurality of optical cable state monitoring sub-network systems, and is characterized in that: the data center comprises an online monitoring platform and a GIS display platform and is used for carrying out centralized management and result display on a plurality of optical cable detection sub-network systems distributed in various cities; the optical cable monitoring subnet system comprises a substation machine room module and a power transmission line module, wherein the substation machine room module comprises a distributed optical fiber sensor, a demodulator, a data processing PC and a router, the power transmission line module comprises a point fiber grating (FBG) sensor, and the optical cable state monitoring subnet system is used for controlling the sensor and collecting, processing and analyzing the detection data of the sensor.
2. The fiber optic cable condition monitoring system of claim 1, wherein: transmitting optical information monitored by a point-mode Fiber Bragg Grating (FBG) sensor on an optical cable to a transformer substation demodulator through an optical fiber composite overhead ground wire (OPGW) optical cable; the transformer substation demodulator and the transformer substation distributed optical fiber sensor send monitoring source information to the data processing PC through serial port communication, and the data processing PC calculates and processes the monitoring source information; and the data processing PC of the transformer substation collects the processed corresponding monitoring results into a data center through an Ethernet port in a TCP/IP mode and a national network internal security gateway by using a power communication channel, and the data center can perform centralized management and result display on a plurality of optical cable monitoring sub-networks distributed in various cities.
3. The fiber optic cable condition monitoring system of claim 2, wherein: the GIS display platform comprises a whole-network situation presentation GIS module, an adding and maintaining line and tower information module, an alarm confirming and processing module and a target value data viewing module.
4. A cable condition monitoring system as claimed in any one of claims 1 to 2, wherein: the point type Fiber Bragg Grating (FBG) sensor is installed on a power transmission line tower, and when the point type FBG sensor breaks down, the longitude and latitude of a fault point directly obtain the longitude and latitude of the tower where the point type FBG sensor is located.
5. A cable condition monitoring system as claimed in any one of claims 1 to 2, wherein: the distributed optical fiber sensor is installed in a transformer substation machine room, the distance between a fault point and a sensor optical fiber head can be measured by the distributed optical fiber sensor, and the longitude and latitude of the fault point are calculated through the longitude and latitude of the transformer substation machine room and an optical cable line GIS (geographic information system) diagram.
6. A cable condition monitoring system as claimed in any one of claims 1 to 2, wherein: the online monitoring platform comprises a basic data management module, a real-time data management module, an alarm management module and a system management module; a user logs in an online monitoring platform through a power communication network, and the online monitoring platform displays monitoring information required by the user in a graphic page in the form of a list and a chart; a user can configure optical cable lines, sensor line resources and measurement modes in the cable monitoring platform.
7. The fiber optic cable condition monitoring system of claim 6, wherein: the basic data management module comprises a line management module, a tower management module and a sensor management module.
8. The fiber optic cable condition monitoring system of claim 6, wherein: the real-time data management module comprises a target value data presentation module, a target value data derivation module and a target value historical data module.
9. The fiber optic cable condition monitoring system of claim 6, wherein: the alarm management module comprises an alarm threshold management module, an alarm data query module and an alarm data statistic module.
10. The fiber optic cable condition monitoring system of claim 6, wherein: the system management module mainly comprises a user management module, a unit management module and a role management module.
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| CN202010549691.6A CN111811550A (en) | 2020-06-16 | 2020-06-16 | Optical cable state monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113055085A (en) * | 2021-02-04 | 2021-06-29 | 国网山西省电力公司太原供电公司 | Power communication network operation and maintenance device |
| CN113364115A (en) * | 2021-04-25 | 2021-09-07 | 西安电子科技大学 | Power cable information comprehensive processing system and method |
| CN113537825A (en) * | 2021-08-03 | 2021-10-22 | 国网青海省电力公司信息通信公司 | Operation and maintenance state monitoring and processing method, system, device and storage medium |
| CN113639961A (en) * | 2021-08-18 | 2021-11-12 | 中国电力科学研究院有限公司 | OPGW (optical fiber composite overhead ground wire) optical cable lightning stroke positioning monitoring method, system, device, equipment and medium |
| CN115882936A (en) * | 2022-11-30 | 2023-03-31 | 广东电网有限责任公司 | Cable early warning system |
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2020
- 2020-06-16 CN CN202010549691.6A patent/CN111811550A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113055085A (en) * | 2021-02-04 | 2021-06-29 | 国网山西省电力公司太原供电公司 | Power communication network operation and maintenance device |
| CN113364115A (en) * | 2021-04-25 | 2021-09-07 | 西安电子科技大学 | Power cable information comprehensive processing system and method |
| CN113537825A (en) * | 2021-08-03 | 2021-10-22 | 国网青海省电力公司信息通信公司 | Operation and maintenance state monitoring and processing method, system, device and storage medium |
| CN113639961A (en) * | 2021-08-18 | 2021-11-12 | 中国电力科学研究院有限公司 | OPGW (optical fiber composite overhead ground wire) optical cable lightning stroke positioning monitoring method, system, device, equipment and medium |
| CN113639961B (en) * | 2021-08-18 | 2024-05-14 | 中国电力科学研究院有限公司 | OPGW optical cable lightning stroke positioning monitoring method, system, device, equipment and medium |
| CN115882936A (en) * | 2022-11-30 | 2023-03-31 | 广东电网有限责任公司 | Cable early warning system |
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