CN115882936A - Cable early warning system - Google Patents
Cable early warning system Download PDFInfo
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- CN115882936A CN115882936A CN202211520230.1A CN202211520230A CN115882936A CN 115882936 A CN115882936 A CN 115882936A CN 202211520230 A CN202211520230 A CN 202211520230A CN 115882936 A CN115882936 A CN 115882936A
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- 230000010354 integration Effects 0.000 claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims abstract description 6
- 238000007619 statistical method Methods 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
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Abstract
The invention discloses a cable early warning system, wherein each monitoring point is connected with a fiber grating sensor through a fiber pigtail, the fiber pigtail is connected with a transmission optical cable through an optical fiber, the transmission optical cable is connected with the input end of a fiber grating demodulator on the ground, and the output end of the fiber grating demodulator is connected with a monitoring server; the monitoring server is provided with an information integration module and an analysis module; the information integration module can be used for reading the real-time monitoring information of the transmission optical cable acquired by the fiber grating sensor and historical monitoring information related to the transmission optical cable; the analysis module can be used for analyzing the real-time monitoring information of the transmission optical cable based on the historical monitoring information and determining the cable state of the transmission optical cable. Therefore, the defects of the transmission cable can be found in time, the distribution network cable is overhauled, and adverse effects caused by the faults of the distribution network cable are greatly reduced.
Description
Technical Field
The invention designs a distribution network cable safety technical field, and particularly relates to a cable early warning system.
Background
Cables are generally formed by twisting several or groups of conductors, with a highly insulating covering surrounding the conductors. Cables can perform communication, power and related transmission, and electric wires and cables are generally classified into bare wires, power cables, winding wires, electric wires and cables for electrical equipment, communication cables and optical cables according to the purpose of use.
Cables for industrial grade applications are typically buried/erected in a harsh environment and, after installation, are subjected to environmental influences such as high temperatures, sunlight, ultraviolet radiation, electromagnetic, radio frequency interference, and mechanical forces such as abrasion, shearing, and crushing, which affect cable performance. Therefore, under special construction conditions, a cable monitoring system is often adopted to regularly detect cables in a specific section so as to prevent cable faults, avoid additional economic loss and guarantee personnel safety.
The cable early warning system for the existing periodic inspection comprises a wired cable monitoring system and a wireless cable monitoring system, because a plurality of cables to be monitored are usually installed in a complex environment, such as a cable tunnel or underground, the cable monitoring cost related to the construction of the existing cable early warning system is higher, the existing cable early warning system usually carries out cable fault early warning by monitoring the main current of the cable, the cable monitoring system can also depend on the main current of the cable to supply power, and when the main current of the cable fluctuates or is too low, the normal monitoring of the system can be influenced.
Disclosure of Invention
The invention provides a cable early warning system which can effectively reduce monitoring cost and can avoid the condition that a cable monitoring point excessively depends on cable trunk monitoring power supply.
According to the cable early warning system provided by the invention, each monitoring point is connected with a fiber bragg grating sensor through a fiber pigtail, the fiber pigtail is connected with a transmission optical cable through an optical fiber, the transmission optical cable is connected with the input end of a fiber bragg grating demodulator on the ground, and the output end of the fiber bragg grating demodulator is connected with a monitoring server;
the monitoring server is provided with an information integration module and an analysis module; the information integration module can be used for reading the real-time monitoring information of the transmission optical cable acquired by the fiber grating sensor and historical monitoring information related to the transmission optical cable; the analysis module may be configured to analyze the real-time monitoring information of the transmission cable based on the historical monitoring information to determine a cable status of the transmission cable.
Optionally, the method further comprises: an RFID card reader; the RFID card reader is used for reading the RFID tags arranged on the monitoring points to acquire the real-time monitoring information and the image signals of the monitoring points.
Optionally, the monitoring server includes: a statistical analysis module; and the statistical analysis module is used for carrying out tail scanning data imaging on the image signal.
Optionally, each monitoring point is further configured with a fiber grating temperature sensor and a fiber grating demodulator connected to each other.
Optionally, the fiber grating temperature sensor is embedded in a first preset contact position of each monitoring point.
Optionally, the fiber grating temperature sensor is attached to a second preset contact position of each monitoring point.
Optionally, the monitoring server includes: and the monitoring map module is used for converting the real-time monitoring information and the static map information into comprehensive integral map information.
Optionally, the monitoring server includes: and the remote management module is used for authorizing a user to adjust the basic information parameters of each monitoring point on the information platform.
Optionally, the information integration module specifically extracts the real-time monitoring information and the historical monitoring information from a remote API interface and/or a memory and/or a database.
Optionally, the remote management module includes: and a user authentication sub-module.
According to the technical scheme, the invention has the following advantages:
the invention discloses a cable early warning system, wherein each monitoring point is connected with a fiber grating sensor through a fiber pigtail, the fiber pigtail is connected with a transmission cable through an optical fiber, the transmission cable is connected with the input end of a fiber grating demodulator on the ground, and the output end of the fiber grating demodulator is connected with a monitoring server; the monitoring server is provided with an information integration module and an analysis module; the information integration module can be used for reading the real-time monitoring information of the transmission optical cable acquired by the fiber grating sensor and historical monitoring information related to the transmission optical cable; the analysis module may be configured to analyze the real-time monitoring information of the transmission cable based on the historical monitoring information to determine a cable status of the transmission cable. Each monitoring point is monitored in real time through the fiber bragg grating sensor, and the cable state of the transmission cable is determined according to real-time monitoring data, so that the defects of the transmission cable can be found in time, the distribution network cable is overhauled, and adverse effects caused by the faults of the distribution network cable are greatly reduced.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic diagram of a cable warning system according to an embodiment of the present invention;
wherein:
101 is a fiber grating sensor, 102 is a fiber grating demodulator, 103 is an RFID card reader, 104 is a statistical analysis module, 105 is a monitoring server, 106 is a monitoring map module, and 107 is a remote management module.
Detailed Description
The embodiment of the invention provides a cable early warning system which can monitor a distribution network cable in real time and discover the defects of the distribution network cable in time, so that the distribution network cable is overhauled, and adverse effects caused by the faults of the distribution network cable are greatly reduced.
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and 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 application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
For easy understanding, please refer to fig. 1, where fig. 1 is a schematic composition diagram of an embodiment of a cable early warning system according to the present invention, each monitoring point is connected to a fiber grating sensor 101 through a fiber pigtail, and the fiber pigtail is connected to a transmission cable through an optical fiber, the transmission cable is connected to an input end of a fiber grating demodulator 102 located on the ground, and an output end of the fiber grating demodulator 102 is connected to a monitoring server 105;
the monitoring server 105 is configured with an information integration module and an analysis module; the information integration module may be configured to read real-time monitoring information of the transmission optical cable acquired by the fiber grating sensor 101 and historical monitoring information related to the transmission optical cable; the analysis module may be configured to analyze the real-time monitoring information of the transmission optical cable based on the historical monitoring information to determine a cable status of the transmission optical cable.
In the embodiment of the invention, the cable early warning system intensively demodulates the optical signals of the fiber grating sensor 101 into electric signals by arranging a plurality of fiber grating demodulators 102, then the electric signals are collected by a collector and transmitted to a computer for display processing, and finally the running condition of the current transmission cable can be known in real time by the monitoring server 105.
Specifically, a new fiber grating strain sensor is installed, and then can enter a working state, a plurality of monitoring points respectively form a plurality of measuring loops with the corresponding fiber grating sensor 101, and each measuring loop is a space body measuring loop formed by a space structure body formed by at least two sensors.
The power switch of the fiber grating demodulator 102 can be remotely controlled via GSM.
The information integration module is responsible for taking out data such as real-time monitoring information, historical monitoring information and intermediate report information and displaying the data to a user through other modules according to user requirements.
The monitoring server 105 receives the real-time information of the early warning signal, and analyzes the real-time information through the analysis module to determine the state and the position information of the transmission cable at the moment.
In an optional case, the monitoring server 105 is further provided with a decision module, configured to receive the early warning signal sent by the analysis module, and then match a set of safe and effective solutions from a preset solution database according to the damage state and the location information of the transmission cable for reference by a manager, including evacuation work for related staff, and after evacuation is completed, determine a location corresponding to the early warning signal, and allocate maintenance staff for maintenance.
In terms of hardware, the monitoring server comprises a host which has a plurality of open interfaces and can be accessed to a new fiber grating sensor 101 and an early warning and alarming device at any time.
Specifically, the fiber grating sensor 101 is a fiber grating strain sensor.
In the embodiment of the invention, the coordinates of each measuring point in the measuring point group in the measuring loop of the space body of the cable in the south lake of the United states of America (US) are calculated according to the strain condition information of the fiber bragg grating sensor 101, the information content of the measuring loop arranged along the longitudinal direction of the tunnel is recorded, and a closed measuring point network is formed by the measuring points and the ground measuring points so as to measure the three-dimensional coordinates or the two-dimensional coordinates of the measuring point group in the tunnel.
Specifically, the method further comprises the following steps: an RFID card reader 103; the RFID card reader 103 is configured to read an RFID tag disposed on each monitoring point to obtain real-time monitoring information and image signals of the monitoring point.
In the embodiment of the present invention, the cable early warning system further includes an RFID reader 103 configured to read an RFID tag disposed on each monitoring point, and further acquire or image data of the monitoring point.
Specifically, the monitoring server 105 includes: a statistical analysis module 104; the statistical analysis module 104 is configured to perform tail-scan data imaging on the image signal.
In the embodiment of the present invention, the statistical analysis module 104 may be configured to receive the image signal obtained by scanning and perform tail-scan data imaging.
Specifically, each monitoring point is also provided with a fiber grating temperature sensor and a fiber grating demodulator which are connected with each other.
Specifically, the fiber grating temperature sensor is embedded in a first preset contact position of each monitoring point.
Specifically, the fiber grating temperature sensor is attached to a second preset contact position of each monitoring point.
In the embodiment of the invention, the fiber bragg grating temperature sensor and the fiber bragg grating demodulator can be added according to the actual situation of the mutual transmission cable
The fiber grating temperature sensor can be attached to or embedded in a specified contact position and connected with the fiber grating demodulator to obtain temperature data of the contact in real time.
Specifically, the monitoring server 105 includes: a monitoring map module 106, wherein the monitoring map module 106 is configured to convert the real-time monitoring information and the static map information into comprehensive overall map information.
In the embodiment of the present invention, the monitoring map module 106 may convert the real-time monitoring information and the static map information of each monitoring point into a comprehensive overall map, and then transmit the combined complete map information to the information integration module to be displayed to the user.
Specifically, the monitoring server 105 includes: and the remote management module 107, wherein the remote management module 107 is used for authorizing a user to adjust the basic information parameters of each monitoring point on the information platform.
In the embodiment of the present invention, the remote management module 107 may authorize a user to perform processing on an information platform, and control each monitoring point of the workstation to include compensation parameters, temperature thresholds, basic information, workstation personnel information, and the like.
Specifically, the information integration module extracts the real-time monitoring information and the historical monitoring information from a remote API interface and/or a memory and/or a database.
According to the cable early warning system, each monitoring point is connected with a fiber grating sensor 101 through a fiber pigtail, the fiber pigtail is connected with a transmission cable through an optical fiber, the transmission cable is connected with the input end of a fiber grating demodulator 102 positioned on the ground, and the output end of the fiber grating demodulator 102 is connected with a monitoring server 105; the monitoring server 105 is configured with an information integration module and an analysis module; the information integration module may be configured to read real-time monitoring information of the transmission optical cable acquired by the fiber grating sensor 101 and historical monitoring information related to the transmission optical cable; the analysis module may be configured to analyze the real-time monitoring information of the transmission optical cable based on the historical monitoring information to determine a cable status of the transmission optical cable. Each monitoring point is monitored in real time through the fiber bragg grating sensor 101, and the cable state of the transmission cable is determined according to real-time monitoring data, so that the defects of the transmission cable can be found in time, the distribution network cable is overhauled, and adverse effects caused by the faults of the distribution network cable are greatly reduced.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should 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 application.
Claims (10)
1. A cable early warning system is characterized in that each monitoring point is connected with a fiber grating sensor through a fiber pigtail, the fiber pigtail is connected with a transmission cable through an optical fiber, the transmission cable is connected with the input end of a fiber grating demodulator on the ground, and the output end of the fiber grating demodulator is connected with a monitoring server;
the monitoring server is provided with an information integration module and an analysis module; the information integration module can be used for reading the real-time monitoring information of the transmission optical cable acquired by the fiber grating sensor and the historical monitoring information related to the transmission optical cable; the analysis module may be configured to analyze the real-time monitoring information of the transmission optical cable based on the historical monitoring information to determine a cable status of the transmission optical cable.
2. The cable warning system of claim 1, further comprising: an RFID card reader; the RFID card reader is used for reading the RFID tags arranged on the monitoring points to acquire real-time monitoring information and image signals of the monitoring points.
3. The cable warning system of claim 2, wherein the monitoring server comprises: a statistical analysis module; and the statistical analysis module is used for carrying out tail scanning data imaging on the image signal.
4. The cable warning system of claim 3, wherein each monitoring point is further configured with a fiber grating temperature sensor and a fiber grating demodulator connected to each other.
5. The cable warning system of claim 4, wherein the fiber grating temperature sensor is embedded at a first predetermined contact position of each monitoring point.
6. The cable warning system of claim 4, wherein the fiber grating temperature sensor is attached to a second predetermined contact position of each monitoring point.
7. The cable warning system of claim 6, wherein the monitoring server comprises: and the monitoring map module is used for converting the real-time monitoring information and the static map information into comprehensive integral map information.
8. The cable warning system of claim 6, wherein the monitoring server comprises: and the remote management module is used for authorizing a user to adjust the basic information parameters of each monitoring point on the information platform.
9. The cable warning system of claim 1, wherein the information integration module retrieves the real-time monitoring information and the historical monitoring information from a remote API interface and/or a memory and/or a database.
10. The cable warning system of claim 1, wherein the fiber grating sensor is a fiber grating strain sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211520230.1A CN115882936A (en) | 2022-11-30 | 2022-11-30 | Cable early warning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211520230.1A CN115882936A (en) | 2022-11-30 | 2022-11-30 | Cable early warning system |
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| CN115882936A true CN115882936A (en) | 2023-03-31 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7122783B1 (en) * | 2004-11-02 | 2006-10-17 | The United States Of America As Represented By The Secretary Of The Army | Seismic activity monitor based on optical fiber Bragg gratings |
| CN202903240U (en) * | 2012-11-13 | 2013-04-24 | 武汉理工光科股份有限公司 | Cable tunnel multistate on-line monitoring system based on fiber grating sensing |
| CN103528749A (en) * | 2013-10-25 | 2014-01-22 | 中国矿业大学 | On-line coal mine back water pressure monitoring system and method based on optical fiber grating |
| CN111811550A (en) * | 2020-06-16 | 2020-10-23 | 北京邮电大学 | Optical cable state monitoring system |
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2022
- 2022-11-30 CN CN202211520230.1A patent/CN115882936A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7122783B1 (en) * | 2004-11-02 | 2006-10-17 | The United States Of America As Represented By The Secretary Of The Army | Seismic activity monitor based on optical fiber Bragg gratings |
| CN202903240U (en) * | 2012-11-13 | 2013-04-24 | 武汉理工光科股份有限公司 | Cable tunnel multistate on-line monitoring system based on fiber grating sensing |
| CN103528749A (en) * | 2013-10-25 | 2014-01-22 | 中国矿业大学 | On-line coal mine back water pressure monitoring system and method based on optical fiber grating |
| CN111811550A (en) * | 2020-06-16 | 2020-10-23 | 北京邮电大学 | Optical cable state monitoring system |
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