CN103986087A - Transmission line patrol system and method based on optical transmission - Google Patents
Transmission line patrol system and method based on optical transmission Download PDFInfo
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- CN103986087A CN103986087A CN201410203509.6A CN201410203509A CN103986087A CN 103986087 A CN103986087 A CN 103986087A CN 201410203509 A CN201410203509 A CN 201410203509A CN 103986087 A CN103986087 A CN 103986087A
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Abstract
The invention discloses a transmission line patrol system based on optical transmission. The transmission line patrol system comprises an on-pole device and a vehicle-mounted device. The on-pole device is arranged on a line pole tower and used for acquiring data of the temperature, images and the environment of a line and the line pole tower. The vehicle-mounted device is arranged on a line patrol vehicle and used for receiving data information acquired by the on-pole device and supplying energy to the on-pole device through lasers. The on-pole device sends the acquired data information to the vehicle-mounted device in a wireless optical communication mode, and the vehicle-mounted device transmits the received data information to a processing terminal for processing. Through laser energy supply and optical communication, electromagnetic interference is greatly reduced, battery energy supply is not needed, electricity does not need to be taken from the transmission line, and therefore the system is not in electrical connection with equipment on the detected line; the system is safer and more reliable, the cycle of overhaul and maintenance can be greatly prolonged, and signal confidentiality is high.
Description
Technical field
The present invention relates to transmission line monitoring technical field, relate in particular to a kind of power transmission line inspection system based on light transmission.
Background technology
Along with social development, city size increases day by day, and electricity capacity improves constantly.The electric pressure at urban electricity supply networking constantly increases, yet along with the closeness in transmission of electricity corridor improves gradually, the fail safe of transmission line and reliability has been proposed to more and more higher requirement, therefore just become particularly important of patrolling and examining to circuit.
Current, the line walking mode conventional to transmission line mostly is artificial line walking, and part transmission system has adopted helicopter line walking, but limited by geography, weather conditions, and line walking expense is high, for city line walking, has larger potential safety hazard.There is the defect that technology is immature, failure rate is high in robot line walking.For city transmission line, current generally use or artificial line walking, if just adopt the usual manner line walkings such as naked eyes and telescope, line walking precision is low, labour intensity is large, and false dismissal probability is high.
For above-mentioned deficiency, need a kind of automatic running on transmisson line system for city transmission line of exploitation, patrol and examine precision high, there is not blind area, working strength is little, automaticity is high system, find in time transmission line potential safety hazard, avoid causing power outage, reduce causality loss.
Summary of the invention
In order to solve existing the problems referred to above, the invention provides a kind of power transmission line inspection system based on light transmission, patrol and examine precision high, there is not blind area, working strength is little and automaticity is high.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A power transmission line inspection system based on light transmission, is characterized in that: comprising:
On bar, install: be arranged on overhead line structures, for the collection of temperature, image, environmental data on circuit and overhead line structures;
Car-mounted device: be arranged on patrol vehicle, for receiving from installing collected data message on bar;
Described car-mounted device provides energy by laser for device on bar, and on bar, device sends to car-mounted device by the mode of wireless light communication by the data message collecting, and car-mounted device is passed to processing terminal by the data message receiving and processed.。
Further, on described bar, device comprises that laser energy receives antenna and main control module on modular converter, temperature monitoring module, video monitoring modular, environment monitoring module, optical communication transmitter module, bar;
Described car-mounted device comprises laser energy supply module, optical communication receiver module, ethernet communication module, car antenna and alignment modules;
Described alignment modules is arranged on patrol vehicle, laser energy supply module, optical communication transmitter module and car antenna are all fixed in alignment modules, the laser that on described bar, antenna reception sends from car antenna, and by laser energy, to receive modular converter be that electric energy is powered to temperature monitoring module, video monitoring modular, environment monitoring module, optical communication transmitter module and main control module by the transform light energy of the laser receiving;
Described main control module receives from the image data of temperature monitoring module, video monitoring modular, environment monitoring module and by image data and sends optical communication transmitter module to and in the mode of wireless light communication, send to car antenna by antenna on bar, car antenna is passed to optical communication receiver module by the light signal of image data again, and optical communication receiver module is passed to processing terminal by image data by ethernet communication module again and processed.
Further, the processing of described processing terminal comprises data record, historical analysis, trend analysis and early warning.
Further, described wireless light communication is, by device on bar, the data that collect are converted to light signal, and by launching in the mode of pulsed light after modulation, car-mounted device carries out demodulation after receiving this pulsed light, is reduced into image data.
Further, described car antenna comprises communications reception antenna and energy supply generating laser, energy supply generating laser is arranged on the center of communications reception antenna, the two arranges in the same way, on described bar, antenna comprises energy reception antenna and Communication ray reflector, Communication ray reflector is arranged on the center of energy reception antenna, and the two arranges in opposite directions.
During this system works, comprise the following steps: (A1) aim at: patrol vehicle is placed in to overhead line structures below, start car-mounted device, laser energy supply module on car-mounted device is sent laser by car antenna, and drive laser energy supply module and car antenna to rotate by alignment modules, antenna on the bar installing on the laser alignment bar that makes to send, the light signal of energy gauge rod heaven line transmitting simultaneously has also been aimed at car antenna;
(A2) stablize energy supply: after aiming at, car-mounted device just and on bar has been set up stable energy supply and communication connection between device, the laser light energy that energy reception modular converter receives antenna on bar is converted into electric energy and is transferred to respectively temperature monitoring module, video monitoring modular, environment monitoring module, optical communication transmitter module and the main control module power supply of installing on bar;
(A3) gather: stable energy supply starts rear temperature monitoring module, video monitoring modular, environment monitoring module is lasting is transferred to main control module by the temperature collecting, video and environmental data;
(A4) transmission: main control module is worn the temperature of receiving, video and environmental data to give optical communication transmitter module, and by antenna on bar, the form with pulsed light is transmitted to the car antenna on car-mounted device and passes to optical communication receiver module again again by it, to convert electrical signals to light signal;
(A5) process: car-mounted device is reduced into image data by the pulsed light demodulation receiving, and by image data pass to that processing terminal records, historical analysis, trend analysis, early warning.
Further, the trend analysis in described step (A5) is to predict according to the conversion trend of each monitor value in image data the data that it is following, with this, judges whether detected object needs maintenance.
Further, described early warning is to preset a threshold value to a certain monitor value, when this monitor value reaches predefined threshold value, processing terminal sends alarm indication automatically, provides and processes suggestion, reminds monitoring personnel to carry out detailed maintenance to transmission line or shaft tower.
The beneficial effect that the present invention reaches is:
The movement of the part that 1, the present invention need to move (being car-mounted device) can be by means of existing vehicle, so cost is lower, and compared to helicopter routing inspection, robot, patrol and examine quieter, little for the impact of environment, conveniently moving, rapidly in city;
2, measure portion of the present invention (being to install on bar) is fixedly installed on overhead line structures, very stable, thereby each module can adopt the higher transducer of sensitivity, thus the monitoring accuracy also improving;
3, because bar on device be fixed on overhead line structures, so compared to traditional motion line walking its without relative motion, also machinery-free loss, moves more stable;
4, the energy provided by laser of launching by the laser energy supply module on car-mounted device due to device on whole bar, and the transmission of data is also to depend on light transmission, so it can not be subject to the interference of electromagnetic signal, greatly increased the antijamming capability of device, and device is in passive states on non operating state lower beam, do not need battery-powered, also need to be from power transmission line electricity taking, thereby with the equipment on detected circuit without electrical link, more safe and reliable, thus the cycle of the repair and maintenance that can increase substantially;
5, owing to adopting wireless light communication between device and car-mounted device on bar, faster compared to its transmission speed of traditional radio communication, signal is not easy to be intercepted and captured, good confidentiality, and do not take traditional radio communication channel;
6. the transmitting of energy supply laser and the reception of Communication ray adopt car antenna, and the reception of the transmitting of Communication ray and energy supply laser adopts antenna on bar, does not adopt extra optics, has reduced manufacturing cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation installing on bar;
Fig. 3 is the structural representation of car-mounted device;
Fig. 4 car antenna sends the schematic diagram of Communication ray to antenna transmission energy supply laser on bar and bar heaven alignment car antenna.
Embodiment
In order to further describe technical characterstic of the present invention and effect, below in conjunction with the drawings and specific embodiments, the present invention is described further.
Referring to figs. 1 through Fig. 4, a kind of power transmission line inspection system based on light transmission, comprise on bar, install 1, car-mounted device 2 and processing terminal 3.On bar, install 1 and be arranged on overhead line structures, comprise that laser energy receives modular converter 11, temperature monitoring module 12, video monitoring modular 13, environment monitoring module 14, antenna 16 and main control module 17 on optical communication transmitter module 15, bar.Car-mounted device 2 is arranged on patrol vehicle, comprise laser energy supply module 21, optical communication receiver module 22, ethernet communication module 23, car antenna 24 and alignment modules 25, described laser energy supply module 21 and optical communication receiver module 22 are all arranged in alignment modules 25.
The below that when need to patrol and examine, patrol vehicle is sailed to overhead line structures is parked in assigned address, now on bar, install 1 because there is no laser energy supply, in passive states, by alignment modules 25, drive laser energy supply module 21 and optical communication receiver module 22 and car antenna 24 to rotate simultaneously, described car antenna 24 comprises communications reception antenna 241 and energy supply generating laser 242, energy supply generating laser 242 is arranged on the center of communications reception antenna 241, the two arranges in the same way, on described bar, antenna 16 comprises energy reception antenna 161 and Communication ray reflector 162, Communication ray reflector 162 is arranged on the center of energy reception antenna 161, the two arranges in opposite directions, therefore, when the energy supply laser 243 that generating laser 242 sends after laser energy supply module 21 is given generating laser 242 energy supplies of car antenna 24 is strafed the energy reception antenna 161 of antenna 16 on bar, the Communication ray 163 that on bar, the Communication ray reflector 162 of antenna 16 sends has also been aimed at communications reception antenna 241, now laser energy reception modular converter 11 is that electric energy is to the temperature monitoring module 12 that installs 1 on bar by the transform light energy of the laser receiving, video monitoring modular 13, environment monitoring module 14, optical communication transmitter module 15 and main control module 17 power supplies, meanwhile main control module 17 sends the fixedly order of energy supply by optical communication transmitter module 15 to car-mounted device 2, optical communication receiver module 22 receives the light signal order of fixedly energy supply by communications reception antenna 241 after, alignment modules 25 stops operating, now on car-mounted device 2 and bar, install 1 and set up stable energy supply and communication connection.Next at laser energy, receive the temperature that temperature monitoring module 12 under the continued power of modular converter 11 starts to measure and gather transmission line and insulator joint on overhead line structures, video monitoring modular 13 starts to gather the video image of circuit and overhead line structures, environment monitoring module 14 is provided with temperature, humidity and carbon dioxide content transducer, start temperature in measurement environment, humidity and carbon dioxide content data, follow above-mentioned module the data that collect are passed to main control module 17, main control module 17 again by data retransmission to optical communication transmitter module 15, optical communication transmitter module 15 is modulated after data are converted to light signal, form with pulsed light is transmitted to car-mounted device 2, optical communication receiver module 22 carries out demodulation after receiving this pulsed light, be reduced into image data, by ethernet communication module 23, send image data to processing terminal 3, when all image data passes to be all sent to, in processing terminal 3 rear bars, install 1 and send to car-mounted device 2 order that stops energy supply, car-mounted device 2 stops the transmission of energy supply laser 243 subsequently, on bar, install 1 also quits work thereupon.A series of processing such as 3 pairs of image data of processing terminal record, historical analysis, trend analysis and early warning.Described historical analysis refer to can be at any time to stored data retrieve, check, calculating and unloading; Whether trend analysis refers to according to the variation tendency of a certain monitor value (as temperature, humidity etc.) in the middle of image data predicts the numerical value that it is following, need to arrange maintenance, thereby avoid the generation of accident to assess in advance monitored target; Early warning is to show a certain monitor value to preset a threshold value, and when this monitor value reaches predefined threshold value, processing terminal sends alarm indication automatically, provides and processes suggestion, reminds monitoring personnel to carry out detailed maintenance to transmission line or overhead line structures.
Above-described embodiment does not limit the present invention in any form, all take to be equal to replace or technical scheme that the form of equivalent transformation obtains, within all dropping on protection scope of the present invention.
Claims (8)
1. the power transmission line inspection system based on light transmission, is characterized in that, comprising:
Device (1) on bar: be arranged on overhead line structures, for the collection of temperature, image, environmental data on circuit and overhead line structures;
Car-mounted device (2): be arranged on patrol vehicle, for receiving from installing collected data message on bar;
Described car-mounted device provides energy by laser for device on bar, on bar, device (1) sends to car-mounted device (2) by the mode of wireless light communication by the data message collecting, and car-mounted device (2) is passed to processing terminal (3) by the data message receiving and processed.
2. a kind of power transmission line inspection system based on light transmission according to claim 1, is characterized in that:
On described bar, device (1) comprises that laser energy receives antenna (16) and main control module (17) on modular converter (11), temperature monitoring module (12), video monitoring modular (13), environment monitoring module (14), optical communication transmitter module (15), bar;
Described car-mounted device (2) comprises laser energy supply module (21), optical communication receiver module (22), ethernet communication module (23), car antenna (24) and alignment modules (25);
Described alignment modules (25) is arranged on patrol vehicle, laser energy supply module (21), optical communication transmitter module (15) and car antenna (24) are all fixed in alignment modules (25), antenna on described bar (16) receives the laser send from car antenna (24), and by laser energy, to receive modular converter (11) be that electric energy is powered to temperature monitoring module (12), video monitoring modular (13), environment monitoring module (14), optical communication transmitter module (15) and main control module (17) by the transform light energy of the laser receiving;
Described main control module (17) receives from the image data of temperature monitoring module (12), video monitoring modular (13), environment monitoring module (14) and by image data and sends optical communication transmitter module (15) to and in the mode of wireless light communication, send to car antenna (24) by antenna on bar (16), car antenna (24) is passed to the light signal of image data optical communication receiver module (22) again, and optical communication receiver module (22) is passed to processing terminal (3) by image data by ethernet communication module (23) again and processed.
3. a kind of power transmission line inspection system based on light transmission according to claim 1 and 2, is characterized in that: the processing of described processing terminal (3) comprises data record, historical analysis, trend analysis and early warning.
4. a kind of power transmission line inspection system based on light transmission according to claim 1 and 2, it is characterized in that: described wireless light communication is, by device (1) on bar, the data that collect are converted to light signal, by launching in the mode of pulsed light after modulation, car-mounted device (2) carries out demodulation after receiving this pulsed light, is reduced into image data.
5. a kind of power transmission line inspection system based on light transmission according to claim 2, it is characterized in that: described car antenna (24) comprises communications reception antenna (241) and energy supply generating laser (242), energy supply generating laser (242) is arranged on the center of communications reception antenna (241), the two arranges in the same way, antenna on described bar (16) comprises energy reception antenna (161) and Communication ray reflector (162), Communication ray reflector (162) is arranged on the center of energy reception antenna (161), and the two arranges in opposite directions.
6. a patrolling method for the power transmission line inspection system transmitting based on light, is characterized in that comprising the following steps:
(A1) aim at: patrol vehicle is placed in to overhead line structures below, start car-mounted device (2), laser energy supply module (21) on car-mounted device (2) is sent laser by car antenna (24), and drive laser energy supply module (21) and car antenna (24) to rotate by alignment modules (25), antenna (16) on the bar of device (1) on the laser alignment bar that makes to send, the light signal of energy gauge rod heaven line (16) transmitting simultaneously has also been aimed at car antenna (24);
(A2) stablize energy supply: after aiming at, car-mounted device (2) just and on bar has been set up stable energy supply and communication connection between device (1), the laser light energy that energy reception modular converter (11) receives antenna on bar (16) is converted into temperature monitoring module (12), video monitoring modular (13), environment monitoring module (14), optical communication transmitter module (15) and main control module (17) power supply that electric energy is transferred to respectively device (1) on bar;
(A3) gather: stable energy supply starts rear temperature monitoring module, video monitoring modular, environment monitoring module is lasting is transferred to main control module by the temperature collecting, video and environmental data;
(A4) transmission: main control module (17) is worn the temperature of receiving, video and environmental data to give optical communication transmitter module (15), and by antenna on bar (16), the form with pulsed light is transmitted to the car antenna (24) on car-mounted device (2) and passes to optical communication receiver module (22) again again by it, to convert electrical signals to light signal;
(A5) process: car-mounted device (2) is reduced into image data by the pulsed light demodulation receiving, and by image data pass to that processing terminal (3) records, historical analysis, trend analysis, early warning.
7. the patrolling method of a kind of power transmission line inspection system based on light transmission according to claim 6, it is characterized in that: the trend analysis in described step (A5) is to predict according to the conversion trend of each monitor value in image data the data that it is following, with this, judge whether detected object needs maintenance.
8. the patrolling method of a kind of power transmission line inspection system based on light transmission according to claim 6, it is characterized in that: described early warning is to preset a threshold value to a certain monitor value, processing terminal when this monitor value reaches predefined threshold value (3) sends alarm indication automatically, provide and process suggestion, remind monitoring personnel to carry out detailed maintenance to transmission line or shaft tower.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104714548A (en) * | 2015-03-09 | 2015-06-17 | 北京大基康明医疗设备有限公司 | Laser line patrol system of medical sickbed transport cart and laser line patrol method thereof |
| CN104980227A (en) * | 2015-04-30 | 2015-10-14 | 武汉邮电科学研究院 | CWDM-based underground pipeline multi-detection node optical energy supply method and device |
| CN105242392A (en) * | 2015-11-16 | 2016-01-13 | 江苏省电力公司电力科学研究院 | Sighting device and method for removing foreign matter on power transmission line by means of laser remotely |
| CN106296864A (en) * | 2016-08-05 | 2017-01-04 | 国网山东省电力公司电力科学研究院 | A kind of distribution line intelligent inspection system based on vehicle mobile terminals and method |
| WO2017041560A1 (en) * | 2015-09-09 | 2017-03-16 | 中兴通讯股份有限公司 | Remote monitoring method, reader, monitoring terminal and sensor |
| CN108900141A (en) * | 2018-09-19 | 2018-11-27 | 南京工程学院 | A kind of laser power supply communication equipment and its communication means and method of supplying power to |
| CN109238241A (en) * | 2018-09-30 | 2019-01-18 | 国网山东省电力公司电力科学研究院 | A kind of vehicle-mounted automatic tour inspection system of distribution line and its method for inspecting |
| CN110134125A (en) * | 2019-05-13 | 2019-08-16 | Oppo广东移动通信有限公司 | Vehicular automatic driving method, apparatus and vehicle |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714548A (en) * | 2015-03-09 | 2015-06-17 | 北京大基康明医疗设备有限公司 | Laser line patrol system of medical sickbed transport cart and laser line patrol method thereof |
| CN104980227A (en) * | 2015-04-30 | 2015-10-14 | 武汉邮电科学研究院 | CWDM-based underground pipeline multi-detection node optical energy supply method and device |
| CN104980227B (en) * | 2015-04-30 | 2017-07-07 | 武汉邮电科学研究院 | The many detection node optical fiber energy supply methods of underground utilities and device based on CWDM |
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| CN106296864A (en) * | 2016-08-05 | 2017-01-04 | 国网山东省电力公司电力科学研究院 | A kind of distribution line intelligent inspection system based on vehicle mobile terminals and method |
| CN108900141A (en) * | 2018-09-19 | 2018-11-27 | 南京工程学院 | A kind of laser power supply communication equipment and its communication means and method of supplying power to |
| CN108900141B (en) * | 2018-09-19 | 2024-02-13 | 南京工程学院 | Laser energy supply communication equipment, communication method thereof and power supply method |
| CN109238241A (en) * | 2018-09-30 | 2019-01-18 | 国网山东省电力公司电力科学研究院 | A kind of vehicle-mounted automatic tour inspection system of distribution line and its method for inspecting |
| CN109238241B (en) * | 2018-09-30 | 2021-04-20 | 国网智能科技股份有限公司 | Vehicle-mounted automatic inspection system and inspection method for distribution line |
| CN110134125A (en) * | 2019-05-13 | 2019-08-16 | Oppo广东移动通信有限公司 | Vehicular automatic driving method, apparatus and vehicle |
| CN110134125B (en) * | 2019-05-13 | 2022-09-30 | Oppo广东移动通信有限公司 | Automatic vehicle driving method and device and vehicle |
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Effective date of registration: 20170829 Address after: 214500 Jingjiang City, Jiangsu Province town of Ji Jing Yang Road No. 8 Patentee after: State Grid, Jiangsu electric power company, Jingjiang power supply company Address before: 1 No. 211167 Jiangsu city of Nanjing province Jiangning Science Park Hongjing Road Patentee before: Nanjing Institute of Technology |