CN113890180B - Real-time early warning method for cable channel distance and variation trend - Google Patents
Real-time early warning method for cable channel distance and variation trend Download PDFInfo
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- CN113890180B CN113890180B CN202010629730.3A CN202010629730A CN113890180B CN 113890180 B CN113890180 B CN 113890180B CN 202010629730 A CN202010629730 A CN 202010629730A CN 113890180 B CN113890180 B CN 113890180B
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- 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
- H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- 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
- H02J13/00002—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 monitoring
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- 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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a cable channel distance and change trend real-time early warning method, which comprises a signal acquisition system, a master control processing system, an error judging system, a video driving system and a personnel regulation and control system, wherein the signal acquisition system also comprises a sensing monitoring module, a positioning monitoring module and a data conveying module, and comprises the following steps: s1, uploading acquired data by a signal acquisition system; s2, an error judging system is connected to the output end of the master control processing system, and the video driving system is started after the error judging system judges the early warning instruction; and S3, the video driving system is used for checking and confirming operation and maintenance personnel and sending a regulating and controlling instruction to the personnel regulating and controlling system. The invention has the advantages of no monitoring blind spot, high resolution, strong anti-interference capability and low cost, reduces personnel inspection work, improves the stability of power supply, optimizes the use of equipment, and ensures the operation safety of cables, thereby prolonging the service life of the equipment and being suitable for popularization.
Description
Technical Field
The invention relates to the technical field of cable use safety, in particular to a cable channel distance and change trend real-time early warning method.
Background
High voltage electrical cabling is a critical infrastructure for power delivery of electrical power systems. Different from other unit type electric power products, the unit type products are convenient to measure and monitor, are beneficial to intelligent control design and implementation, and are low in cost. The cable belongs to distributed products, has long line, strong electromagnetic interference, complex environment conditions along the line and multiple influencing factors, and is unfavorable for combination with the sensor. However, with the development of optical fiber technology, the online monitoring of the distributed optical fiber sensing system is rapidly applied, and meanwhile, the optical fiber sensing technology belongs to a passive technology, and has the characteristics of essential explosion prevention, strong electromagnetic interference resistance, good electrical insulation, lightning protection, high precision, light weight, small volume and the like, and the optical fiber is also a medium for communication, so that the intelligentization of a high-voltage cable becomes possible. Meanwhile, with rapid development of power grid construction, the area where the power transmission line passes is enlarged, and the proportion of underground cable power supply in a power distribution system is increased. Although the cable circuit has the advantages of less influence by natural environment, small occupied area, high power supply reliability and the like, the cable is often damaged by external force in use, and the advantage of safe and reliable power supply of the cable is seriously influenced. The existing protective measures for underground cables mainly comprise: 1. normal patrol, special patrol and key engineering patrol are carried out by a special person in operation; 2. installing warning boards at special places to remind constructors of paying attention to protecting cables; 3. and the laying modes with low external force resistance such as direct burial are replaced by the channel modes with high external force resistance such as burial pipes, tunnels and the like. The measures have high cost of manpower and material resources, low automation and intelligent degree, and unsatisfactory actual external force damage effect. Therefore, a real-time early warning method for the distance and the change trend of the cable channel is provided.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides a cable channel distance and change trend real-time early warning method.
The invention provides a cable channel distance and change trend real-time early warning method, which comprises a signal acquisition system, a master control processing system, an error judging system, a video driving system and a personnel regulation and control system, wherein the signal acquisition system also comprises a sensing monitoring module, a positioning monitoring module and a data conveying module, and comprises the following steps:
s1, the signal acquisition system uploads acquired temperature information and hidden danger characteristic data to a general control processing system;
S2, an error judgment system is connected to the output end of the master control processing system, and the video driving system is started after the error judgment system judges the early warning instruction;
S3, the video driving system is used for checking and confirming operation and maintenance personnel and sending a regulating and controlling instruction to the personnel regulating and controlling system;
the signal acquisition system is connected with the master control processing system, the output end of the master control processing system is connected with the input end of the error judging system, the output end of the error judging system is connected with the input end of the video driving system, the output end of the video driving system is connected with the input end of the personnel regulation and control system, and the signal acquisition system further comprises a sensing monitoring module, a positioning monitoring module and a data conveying module.
Preferably, the sensing monitoring module comprises a temperature sensor and an optical fiber sensor, the optical fiber sensor is used for counting the characteristics of the hidden danger and the temperature value of the pipeline, and uploading hidden danger characteristic data and the temperature value of the pipeline to the general control processing system, the positioning monitoring module is used for positioning the positions of the optical fiber sensor and the temperature sensor, the positioning monitoring module synchronously uploads the position information of the optical fiber sensor and the temperature sensor for monitoring hidden danger data while the sensing monitoring module uploads the hidden danger characteristic data, and the data transmission module is connected with the output ends of the sensing monitoring module and the positioning monitoring module and is used for synchronously transmitting the position information and the hidden danger characteristic data information.
Preferably, the total control processing system is used for extracting energy data and amplitude data from the received hidden danger feature data and calculating hidden danger pre-warning threshold values, the total control processing system comprises an automatic storage module, the automatic storage module is used for storing historical data, the historical data is larger than one year of data volume, the historical data is used for calling and analyzing the historical data and carrying out maximum value and fatigue analysis, and the total control processing system has the function of displaying image curves and actually measured values.
Preferably, the error judging system is used for receiving the early warning information sent by the general control processing system and judging the received early warning information, so as to determine the accuracy of the early warning instruction sent by the general control processing system.
Preferably, the video driving system is used for receiving the early warning instruction determined by the error judging system and simultaneously mobilizing the video system, and the operation and maintenance personnel reconvey and confirm by combining the on-site video image and send a regulation instruction to the personnel regulation and control system.
Preferably, the personnel control system is used for receiving control instructions and dispatching operation and maintenance personnel to the site for evidence collection.
Preferably, the signal acquisition system comprises a system self-checking function, wherein the system self-checking function is used for performing real-time self-checking on the running conditions of the sensing monitoring module, the positioning monitoring module and the transmission optical cable, and the detection period is 0.2s.
The invention discloses a cable channel distance and change trend real-time early warning method, which comprises the steps of collecting signals of monitoring points through a signal collecting system, a master control processing system, an error judging system, a video driving system, a personnel regulation and control system, a sensing monitoring module, a positioning monitoring module, a data conveying module and the like, uploading monitoring data to the master control processing system, calculating a threshold value and early warning judgment on the received data through the master control processing system, uploading the judgment result to the error judging system, checking the judgment result again through the error judging system, starting the video driving system, enabling operation and maintenance personnel to confirm judgment again by combining site videos, and sending regulation and control instructions to the personnel regulation and control system. The invention has the advantages of on-line monitoring, no monitoring blind spot, high resolution, strong anti-interference capability and low cost, reduces personnel inspection work, improves the stability of power supply, optimizes the use of equipment, and ensures the operation safety of cables, thereby prolonging the service life of the equipment and being suitable for popularization.
Drawings
FIG. 1 is a schematic block diagram of a real-time cable channel distance and change trend pre-warning method according to the present invention;
Fig. 2 is a partial block diagram of a real-time early warning method for the distance and the change trend of a cable channel according to the present invention.
Detailed Description
The invention is further illustrated below in connection with specific embodiments.
Examples
Referring to fig. 1-2, a cable channel distance and change trend real-time early warning method includes a signal acquisition system, a general control processing system, an error judging system, a video driving system and a personnel regulation system, the signal acquisition system further includes a sensing monitoring module, a positioning monitoring module and a data transmission module, and includes the following steps:
s1, a signal acquisition system uploads acquired temperature information and hidden danger characteristic data to a general control processing system;
S2, an error judgment system is connected to the output end of the master control processing system, and the video driving system is started after the error judgment system judges the early warning instruction;
S3, the video driving system is used for checking and confirming operation and maintenance personnel and sending a regulating and controlling instruction to the personnel regulating and controlling system;
The signal acquisition system is connected with the master control processing system, the output end of the master control processing system is connected with the input end of the error judging system, the output end of the error judging system is connected with the input end of the video driving system, the output end of the video driving system is connected with the input end of the personnel regulation and control system, and the signal acquisition system further comprises a sensing monitoring module, a positioning monitoring module and a data conveying module.
In this embodiment, the sensing monitoring module includes a temperature sensor and an optical fiber sensor, the optical fiber sensor is used for counting the characteristic of the hidden danger and the temperature value of the pipeline, and uploading the hidden danger characteristic data and the pipeline temperature value to the total control processing system, the positioning monitoring module is used for positioning the positions of the optical fiber sensor and the temperature sensor, the positioning monitoring module synchronously uploads the position information of the optical fiber sensor and the temperature sensor for monitoring hidden danger data while the sensing monitoring module uploads the hidden danger characteristic data, the data transmission module is connected with the output ends of the sensing monitoring module and the positioning monitoring module, and is used for synchronously transmitting the position information and the hidden danger characteristic data information, the total control processing system is used for extracting energy data and amplitude data of the received hidden danger characteristic data, and calculating a hidden danger pre-warning threshold value, the total control processing system includes an automatic storage module, the automatic storage module is used for storing historical data, and the historical data is larger than one year in data quantity, and is used for calling and analyzing the historical data, the total control processing system has the functions of displaying image and measured values, the error judgment system is used for receiving early warning information sent by the total control processing system and sending the early warning information to the field warning system, and sending the early warning command signal to the field warning command control system is used for sending the video command receiving and the command signal to the field warning command signal receiving the command signal, the command receiving and the command signal is sent by the field warning command signal and the warning system is accurately and adjusted and controlled by the personnel and sent to the field command and control system is confirmed and sent to the command and has the function of the control system is used for sending and the control command and has a warning command and a control function to control system and a control function, the system self-checking is used for carrying out real-time self-checking on the running conditions of the sensing monitoring module, the positioning monitoring module and the transmission optical cable, and the detection period is 0.2s.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The cable channel distance and change trend real-time early warning method comprises a signal acquisition system, a general control processing system, an error judging system, a video driving system and a personnel regulation and control system, wherein the signal acquisition system also comprises a sensing monitoring module, a positioning monitoring module and a data conveying module, and is characterized by comprising the following steps:
s1, the signal acquisition system uploads acquired temperature information and hidden danger characteristic data to a general control processing system;
S2, an error judgment system is connected to the output end of the master control processing system, and the video driving system is started after the error judgment system judges the early warning instruction;
S3, the video driving system is used for checking and confirming operation and maintenance personnel and sending a regulating and controlling instruction to the personnel regulating and controlling system;
The signal acquisition system is connected with the master control processing system, the output end of the master control processing system is connected with the input end of the error judging system, the output end of the error judging system is connected with the input end of the video driving system, the output end of the video driving system is connected with the input end of the personnel regulation and control system, and the signal acquisition system further comprises a sensing monitoring module, a positioning monitoring module and a data conveying module;
the sensing monitoring module comprises a temperature sensor and an optical fiber sensor, the optical fiber sensor is used for counting the characteristics of hidden danger and the temperature value of a pipeline, and uploading hidden danger characteristic data and the temperature value of the pipeline to the general control processing system, the positioning monitoring module is used for positioning the positions of the optical fiber sensor and the temperature sensor, the positioning monitoring module synchronously uploads the position information of the optical fiber sensor and the temperature sensor for monitoring hidden danger data while the sensing monitoring module uploads the hidden danger characteristic data, and the data conveying module is connected with the output ends of the sensing monitoring module and the positioning monitoring module and is used for synchronously transmitting the position information and the hidden danger characteristic data information;
The total control processing system is used for extracting energy data and amplitude data from the received hidden danger characteristic data and calculating hidden danger pre-warning threshold values, the total control processing system comprises an automatic storage module, the automatic storage module is used for storing historical data, the historical data is larger than one year of data quantity, the historical data is used for calling and analyzing the historical data to perform maximum value and fatigue analysis, and the total control processing system has the function of displaying image curves and actually measured values.
2. The method for real-time early warning of cable channel distance and change trend according to claim 1, wherein the error judging system is used for receiving early warning information sent by the general control processing system and judging the received early warning information to determine the accuracy of early warning instructions sent by the general control processing system.
3. The method for real-time early warning of cable channel distance and change trend according to claim 1, wherein the video driving system is used for receiving the early warning instruction determined by the error judging system and simultaneously mobilizing the video system, and the operation and maintenance personnel reconveys and confirms by combining with the on-site video image and sends a regulation instruction to the personnel regulation and control system.
4. The method for real-time early warning of cable channel distance and change trend according to claim 1, wherein the personnel control system is used for receiving control instructions and sending operation and maintenance personnel to enter a site for evidence collection.
5. The cable channel distance and change trend real-time early warning method according to claim 1, wherein the signal acquisition system comprises a system self-checking function, the system self-checking is used for real-time self-checking of the operation conditions of the sensing monitoring module, the positioning monitoring module and the transmission optical cable, and the detection period is 0.2s.
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| CN202010629730.3A CN113890180B (en) | 2020-07-02 | 2020-07-02 | Real-time early warning method for cable channel distance and variation trend |
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| CN202010629730.3A CN113890180B (en) | 2020-07-02 | 2020-07-02 | Real-time early warning method for cable channel distance and variation trend |
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| CN113890180B true CN113890180B (en) | 2024-06-28 |
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| CN105629136A (en) * | 2015-12-28 | 2016-06-01 | 国网甘肃省电力公司金昌供电公司 | Cable insulation state online automatic monitoring and diagnosis system |
| CN109525809A (en) * | 2018-11-20 | 2019-03-26 | 广东电网有限责任公司 | A kind of power transmission cable line terminal open air field intelligence O&M method and system |
| CN208984990U (en) * | 2018-12-21 | 2019-06-14 | 江苏久创电气科技有限公司 | Urban integrated pipe gallery intelligent monitoring system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5448222A (en) * | 1993-12-09 | 1995-09-05 | Southwest Microwave, Inc. | Coupled transmission line sensor cable and method |
| CN209267713U (en) * | 2018-12-29 | 2019-08-16 | 广州供电局有限公司 | Cable tunnel monitoring system |
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- 2020-07-02 CN CN202010629730.3A patent/CN113890180B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629136A (en) * | 2015-12-28 | 2016-06-01 | 国网甘肃省电力公司金昌供电公司 | Cable insulation state online automatic monitoring and diagnosis system |
| CN109525809A (en) * | 2018-11-20 | 2019-03-26 | 广东电网有限责任公司 | A kind of power transmission cable line terminal open air field intelligence O&M method and system |
| CN208984990U (en) * | 2018-12-21 | 2019-06-14 | 江苏久创电气科技有限公司 | Urban integrated pipe gallery intelligent monitoring system |
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