CN104954756A - Intelligent integrated online monitoring system and method for underground cable operation - Google Patents
Intelligent integrated online monitoring system and method for underground cable operation Download PDFInfo
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Abstract
The invention discloses an intelligent integrated online monitoring system and method for underground cable operation. The online monitoring system comprises a monitoring center as well as a cable anti-stealing detection unit, a cable video monitoring unit, a cable joint temperature monitoring unit, a cable metal sheath grounding current monitoring unit, an environment gas monitoring unit, a cable tunnel water level monitoring unit and a cable tunnel smoke monitoring unit which are connected with the monitoring center respectively. According to the system and the method, various sensors and mutual inductors are adopted to monitor cables and cable environments, the monitoring center masters the operation conditions of the cables in real time and gives an alarm when a normal condition happens, a worker is reminded to clear a fault in time, and large potential safety hazard is avoided; with the adoption of anti-stealing monitoring, the possibility of stealing of the cables is eliminated, in combination of video monitoring, the missing report caused by visual fatigue is prevented, one all-weather dead-zone-free monitoring platform is established, so that visual monitoring of important positions in cable tunnels is realized, manual inspection is replaced, the labor cost is reduced, the time is saved, further, videos can be stored and taken, and later maintenance is facilitated.
Description
Technical field
The present invention relates to power grid security monitoring and evaluation field, specifically a kind of underground cable runs intelligent comprehensive on-line monitoring system and method.
Background technology
In recent years, along with the fast development of electrical network, cable is more and more applied in urban distribution network.Increasingly huge along with cable line, a severe problem day by day significantly comes out---cable line fault.
On the one hand, the technical capability of cable producer and the level of production uneven; On the other hand, because the prices of raw and semifnished materials promote, the objective factors such as Market competition, have some producers to reduce product quality, the reason of two aspects because blindly pursuing interests, cause cable and the quality of annex own thereof just unstable.Meanwhile, cable line runs in underground, monitors accordingly and safeguards more difficult.Environment in cable trough, as humiture, water quality water level, pernicious gas etc., ground cannot be accomplished prevention prediction.Increasing of City Buried Pipeline, occupying of Underground Space Resource makes the construction operation conditions of cable pipeline become increasingly complex, particularly natural gas, coal gas and other flammable explosive gas are once infiltrate cable pipe trench, and the safe operation and even social public security of giving cable are brought great threat.For ensureing the person and device security, regular open manhole cover is needed to carry out fuel gas detection to administration equipment.The outside destroy phenomenon of power cable also gets more and more, and gently then causes any property loss, heavy then cause security incident, causes a significant threat to the safe operation of cable.Therefore, the fire prevention of cable pipe trench, gas-tight, explosion-proof, waterproof, antitheft problem become more and more important, and for meeting " five prevent " requirement of cable passage, must monitor, pinpointing the problems ahead of time, process in time, avoid the generation of significant problem to the running environment of cable.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of underground cable and runs intelligent comprehensive on-line monitoring system and method, realize cable theft-prevention Real-Time Monitoring, cable in tunnel and wireline environment are monitored, and video monitor is carried out to the critical positions in subterranean tunnel, united analysis, management is carried out finally by monitoring center on the ground, when occurring abnormal, realizing reporting to the police, carrying out failture evacuation in time.
Technical scheme of the present invention is:
Underground cable runs intelligent comprehensive on-line monitoring system, include Surveillance center, carry out the cable theft-prevention detecting unit, cable video monitoring means, temperature of cable junction monitoring means, cable metal sheath grounding current monitoring means, monitored gas environment unit, cable tunnel water level monitoring unit and the cable tunnel smoke monitoring unit that are connected respectively with Surveillance center; Described cable theft-prevention detecting unit includes the anti-theft monitoring module communicated to connect with Surveillance center, the well lid folding condition transducer be connected with anti-theft monitoring module respectively, manhole antitheft lock and the multiple infrared sensor of the human bodies be installed in subterranean tunnel; Described cable video monitoring means includes the multiple camera heads communicated to connect with Surveillance center; Described temperature of cable junction monitoring means includes the temperature monitoring module communicated to connect with Surveillance center, the multiple temperature sensors be connected with temperature monitoring module; Described cable metal sheath grounding current monitoring means includes the current monitoring module communicated to connect with Surveillance center, with the multiple current transformers for gathering cable metal sheath grounding current of current monitoring model calling; Described monitored gas environment unit includes the monitored gas environment module communicated to connect with Surveillance center, respectively with multiple oxygen sensor and multiple combustible gas sensor of monitored gas environment model calling; Described cable tunnel water level monitoring unit includes multiple water level monitoring module communicated to connect with Surveillance center, the level sensor of multiple with corresponding water level monitoring model calling; Described cable tunnel smoke monitoring unit includes multiple smoke monitoring module communicated to connect with Surveillance center, the Smoke Sensor of multiple with corresponding smoke monitoring model calling.
Described Surveillance center includes comprehensive state monitor supervision platform and video monitor platform, described comprehensive state monitor supervision platform and video monitor platform have included data acquisition server, the operation control platform be connected with data acquisition server respectively, disk array, display screen, alarm and communication module; Described anti-theft monitoring module, temperature monitoring module, current monitoring module, monitored gas environment module, water level monitoring module are all connected with the communication module of comprehensive state monitor supervision platform with smoke monitoring module, and described multiple camera heads are all connected with the communication module of video monitor platform.
Described anti-theft monitoring module, temperature monitoring module, current monitoring module, monitored gas environment module, water level monitoring module and smoke monitoring module are all connected by the communication module of optical fiber with comprehensive state monitor supervision platform; Network camera device selected by described camera head, and network camera device is connected by the communication module of optical fiber with video monitor platform.
In described subterranean tunnel, every 200 meters are provided with an infrared sensor of the human body; Described multiple camera heads are installed on subterranean tunnel porch respectively, Ren Jing porch, cable concentrate place and cable joint place; Described multiple temperature sensors are installed on cable joint place respectively, and joint is with cable body connecting portion; Described multiple current transformers all select open-close type current transformer, are installed on A, B, C three-phase ground line at grounding box place respectively; Described multiple oxygen sensor and multiple combustible gas sensor are installed on cable and cross with gas pipeline or mutually nearby, near collecting gutter or water collecting well; Described multiple level sensors are installed near cable joint place, water pump and water collecting well place; In described subterranean tunnel, every 200 meters are provided with a Smoke Sensor, and cable concentrates place and cable joint place to be also provided with Smoke Sensor.
Underground cable runs intelligent comprehensive on-line monitoring method, specifically comprises following monitoring step:
(1), cable theft-prevention monitoring: well lid folding condition transducer gathers the folding situation of people's well well lid, whether infrared sensor of the human body monitoring has personnel in tunnel, and to personnel positioning, then the data message gathered is transferred to Surveillance center by anti-theft monitoring module, Surveillance center shows the personnel positions in the folding situation of people's well well lid and tunnel in real time, situation about illegally entering in tunnel is reported to the police, the long-range closedown by anti-theft monitoring module control well cover antitheft lock simultaneously, realizes protection;
(2), cable video monitoring: camera head gathers the video image in tunnel, then transmission of video images is to Surveillance center, Surveillance center shows video image, store row relax analysis of going forward side by side, when video surveillance point picture occurs abnormal, monitoring center sends alarm signal and autostore video image;
(3), temperature of cable junction monitoring: temperature sensor gathers cable temperature data, concentrated by temperature monitoring module and send to Surveillance center, Surveillance center carries out statistical analysis to data, when temperature exceedes a certain set temperature value, Surveillance center starts warning, when variations in temperature in the unit interval exceedes a certain set temperature changing value, Surveillance center starts warning, when temperature gap between cable joint and joint extending part two test points reaches a certain set temperature difference, Surveillance center starts warning;
(4), cable metal sheath grounding current monitoring: current transformer gathers cable metal sheath grounding current data, concentrated by current monitoring module and send to Surveillance center, Surveillance center carries out statistical analysis to data, when earth current exceed a certain current value is set time, start and report to the police, when in the unit interval earth current change exceed a certain current variation value is set time, start report to the police;
(5), monitored gas environment: oxygen sensor, combustible gas sensor gather oxygen content in tunnel and fuel gas content respectively, concentrated by monitored gas environment module and send to Surveillance center, Surveillance center carries out statistical analysis to data, when oxygen or combustable gas concentration exceed a certain concentration value is set time, start and report to the police, when in the unit interval gas concentration change exceed a certain change in concentration value is set time, start report to the police;
(6), cable tunnel water level monitoring: level sensor gathers the waterlevel data of cable tunnel, then the water level monitoring module respectively by correspondence sends to Surveillance center, Surveillance center carries out statistical analysis to data, when water level value exceed a certain water level value is set time, start and report to the police, when in the unit interval water level value change exceed a certain SEA LEVEL VARIATION value is set time, start report to the police;
(7), cable tunnel smoke monitoring: Smoke Sensor gathers the smog alarm signal of cable tunnel, then the smoke monitoring module respectively by correspondence sends to Surveillance center, Surveillance center carries out statistical analysis to data, when smokescope value exceed a certain concentration value is set time, start and report to the police, when in the unit interval smog value change exceed a certain smog changing value is set time, start report to the police.
Advantage of the present invention:
The present invention adopts various transducer and the environment of instrument transformer to cable and cable to monitor, and Surveillance center grasps the ruuning situation of cable in real time, when occurring abnormal, realizing reporting to the police, reminding staff to fix a breakdown in time, preventing large potential safety hazard; The present invention adopts anti-theft monitoring, stop the stolen possibility of cable, the present invention is in conjunction with employing video monitoring, thus avoid cause due to visual fatigue fail to report phenomenon, set up one " the round-the-clock monitoring platform without dead angle ", realize the visualizing monitor of critical positions in cable tunnel, substitute manual inspection, reduce labour cost and save the time, and video can carry out storing and transferring, and facilitates later maintenance; Network of the present invention connects employing Fiber connection, and it is not connected with public network, Intranet, and extensibility is strong, and network reservation contact is many, and electromagnetism interference is good, and transmission quality is good.
Accompanying drawing explanation
Fig. 1 is the theory diagram that underground cable of the present invention runs intelligent comprehensive on-line monitoring system.
Embodiment
See Fig. 1, underground cable runs intelligent comprehensive on-line monitoring system, include cable theft-prevention detecting unit, cable video monitoring means, temperature of cable junction monitoring means, cable metal sheath grounding current monitoring means, monitored gas environment unit, cable tunnel water level monitoring unit and cable tunnel smoke monitoring unit that Surveillance center carries out with Surveillance center being connected respectively;
Surveillance center includes comprehensive state monitor supervision platform 11 and video monitor platform 12, comprehensive state monitor supervision platform and video monitor platform have included data acquisition server 111,121, respectively with data acquisition server 111,121 operation control platform 112,122, the redundant array of inexpensive disks 1 13 connected, 123, display screen 114,124, alarm 115,125 and communication module 116,126;
Cable theft-prevention detecting unit includes the anti-theft monitoring module 21 communicated to connect by the communication module 116 of optical fiber and comprehensive state monitor supervision platform, the well lid folding condition transducer 22 be connected with anti-theft monitoring module 21 respectively, manhole antitheft lock 23 and the multiple infrared sensor of the human bodies 24 be installed in subterranean tunnel, and in subterranean tunnel every 200 meters be provided with an infrared sensor of the human body 24;
Cable video monitoring means is included and to be communicated the 126 multiple network camera devices 31 be connected by optical fiber and the communication module of video monitor platform; Wherein, multiple network camera device 31 is installed on subterranean tunnel porch respectively, Ren Jing porch, cable concentrate place and cable joint place;
Temperature of cable junction monitoring means includes the temperature monitoring module 41 communicated to connect by the communication module 116 of optical fiber and comprehensive state monitor supervision platform, the multiple temperature sensors 42 be connected with temperature monitoring module 41; Multiple temperature sensor 42 is installed on cable joint place respectively, and joint is with cable body connecting portion;
Cable metal sheath grounding current monitoring means includes the current monitoring module 51 communicated to connect by the communication module 116 of optical fiber and comprehensive state monitor supervision platform, the multiple current transformers 52 for gathering cable metal sheath grounding current be connected with current monitoring module 51; Multiple current transformer 52 all selects open-close type current transformer, is installed on A, B, C three-phase ground line at grounding box place respectively;
Monitored gas environment unit includes the monitored gas environment module 61 communicated to connect by the communication module 116 of optical fiber and comprehensive state monitor supervision platform, the multiple oxygen sensors 62 be connected with monitored gas environment module 61 respectively and multiple combustible gas sensor 63; Multiple oxygen sensor 62 and multiple combustible gas sensor 63 are installed on cable and cross with gas pipeline or mutually nearby, near collecting gutter or water collecting well;
Cable tunnel water level monitoring unit includes multiple water level monitoring module 71 communicated to connect by the communication module 116 of optical fiber and comprehensive state monitor supervision platform, the level sensor 72 that multiple with corresponding water level monitoring module 71 connects; Multiple level sensor 72 is installed near cable joint place, water pump and water collecting well place;
Cable tunnel smoke monitoring unit includes multiple smoke monitoring module 81 communicated to connect by the communication module 116 of optical fiber and comprehensive state monitor supervision platform, the Smoke Sensor 82 that multiple with corresponding smoke monitoring module 81 connects; In subterranean tunnel, every 200 meters are provided with a Smoke Sensor 82, and cable concentrates place and cable joint place to be also provided with Smoke Sensor 82.
Underground cable runs intelligent comprehensive on-line monitoring method, specifically comprises following monitoring step:
(1), cable theft-prevention monitoring: well lid folding condition transducer 22 gathers the folding situation of people's well well lid, infrared sensor of the human body 24 monitors in tunnel whether have personnel, and to personnel positioning, then the data message gathered is transferred to the comprehensive state monitor supervision platform 11 of Surveillance center by anti-theft monitoring module 21, the personnel positions of display screen 114 in real time in the folding situation of display people well well lid and tunnel, alarm 115 is reported to the police to situation about illegally entering in tunnel, the long-range closedown by anti-theft monitoring module 21 control well cover antitheft lock 23 simultaneously, realizes protection;
(2), cable video monitoring: network camera device 31 gathers the video image in tunnel, then transmission of video images is to the video monitor platform 12 of Surveillance center, display screen 124 pairs of video images show, redundant array of inexpensive disks 1 23 stores, data acquisition server 121 carries out Treatment Analysis, when video surveillance point picture occurs abnormal, alarm 125 send alarm signal and autostore video image in redundant array of inexpensive disks 1 23;
(3), temperature of cable junction is monitored: temperature sensor 42 gathers cable temperature data, the comprehensive state monitor supervision platform 11 sending to Surveillance center is concentrated by temperature monitoring module 41, comprehensive state monitor supervision platform 11 pairs of data carry out statistical analysis, when temperature exceedes a certain set temperature value, comprehensive state monitor supervision platform 11 starts reports to the police, when variations in temperature in the unit interval exceedes a certain set temperature changing value, comprehensive state monitor supervision platform 11 starts reports to the police, when temperature gap between cable joint and joint extending part two test points reaches a certain set temperature difference, comprehensive state monitor supervision platform 11 starts reports to the police,
(4), cable metal sheath grounding current monitoring: current transformer 52 gathers cable metal sheath grounding current data, the comprehensive state monitor supervision platform 11 sending to Surveillance center is concentrated by current monitoring module 51, comprehensive state monitor supervision platform 11 pairs of data carry out statistical analysis, when earth current exceed a certain current value is set time, start and report to the police, when in the unit interval earth current change exceed a certain current variation value is set time, start report to the police;
(5), monitored gas environment: oxygen sensor 62, combustible gas sensor 63 gather oxygen content in tunnel and fuel gas content respectively, the comprehensive state monitor supervision platform 11 sending to Surveillance center is concentrated by monitored gas environment module 61, comprehensive state monitor supervision platform 11 pairs of data carry out statistical analysis, when oxygen or combustable gas concentration exceed a certain concentration value is set time, start and report to the police, when in the unit interval gas concentration change exceed a certain change in concentration value is set time, start report to the police;
(6), cable tunnel water level monitoring: level sensor 72 gathers the waterlevel data of cable tunnel, then the comprehensive state monitor supervision platform 11 of Surveillance center is sent to respectively by the water level monitoring module 71 of correspondence, comprehensive state monitor supervision platform 11 pairs of data carry out statistical analysis, when water level value exceed a certain water level value is set time, start and report to the police, when in the unit interval water level value change exceed a certain SEA LEVEL VARIATION value is set time, start report to the police;
(7), cable tunnel smoke monitoring: Smoke Sensor 82 gathers the smog alarm signal of cable tunnel, then the comprehensive state monitor supervision platform 11 of Surveillance center is sent to respectively by the smoke monitoring module 81 of correspondence, comprehensive state monitor supervision platform 11 pairs of data carry out statistical analysis, when smokescope value exceed a certain concentration value is set time, start and report to the police, when in the unit interval smog value change exceed a certain smog changing value is set time, start report to the police.
Claims (5)
1. underground cable runs intelligent comprehensive on-line monitoring system, it is characterized in that: include Surveillance center, carry out the cable theft-prevention detecting unit, cable video monitoring means, temperature of cable junction monitoring means, cable metal sheath grounding current monitoring means, monitored gas environment unit, cable tunnel water level monitoring unit and the cable tunnel smoke monitoring unit that are connected respectively with Surveillance center; Described cable theft-prevention detecting unit includes the anti-theft monitoring module communicated to connect with Surveillance center, the well lid folding condition transducer be connected with anti-theft monitoring module respectively, manhole antitheft lock and the multiple infrared sensor of the human bodies be installed in subterranean tunnel; Described cable video monitoring means includes the multiple camera heads communicated to connect with Surveillance center; Described temperature of cable junction monitoring means includes the temperature monitoring module communicated to connect with Surveillance center, the multiple temperature sensors be connected with temperature monitoring module; Described cable metal sheath grounding current monitoring means includes the current monitoring module communicated to connect with Surveillance center, with the multiple current transformers for gathering cable metal sheath grounding current of current monitoring model calling; Described monitored gas environment unit includes the monitored gas environment module communicated to connect with Surveillance center, respectively with multiple oxygen sensor and multiple combustible gas sensor of monitored gas environment model calling; Described cable tunnel water level monitoring unit includes multiple water level monitoring module communicated to connect with Surveillance center, the level sensor of multiple with corresponding water level monitoring model calling; Described cable tunnel smoke monitoring unit includes multiple smoke monitoring module communicated to connect with Surveillance center, the Smoke Sensor of multiple with corresponding smoke monitoring model calling.
2. underground cable according to claim 1 runs intelligent comprehensive on-line monitoring system, it is characterized in that: described Surveillance center includes comprehensive state monitor supervision platform and video monitor platform, described comprehensive state monitor supervision platform and video monitor platform have included data acquisition server, the operation control platform be connected with data acquisition server respectively, disk array, display screen, alarm and communication module; Described anti-theft monitoring module, temperature monitoring module, current monitoring module, monitored gas environment module, water level monitoring module are all connected with the communication module of comprehensive state monitor supervision platform with smoke monitoring module, and described multiple camera heads are all connected with the communication module of video monitor platform.
3. underground cable according to claim 2 runs intelligent comprehensive on-line monitoring system, it is characterized in that: described anti-theft monitoring module, temperature monitoring module, current monitoring module, monitored gas environment module, water level monitoring module and smoke monitoring module are all connected by the communication module of optical fiber with comprehensive state monitor supervision platform; Network camera device selected by described camera head, and network camera device is connected by the communication module of optical fiber with video monitor platform.
4. underground cable according to claim 1 runs intelligent comprehensive on-line monitoring system, it is characterized in that: in described subterranean tunnel, every 200 meters are provided with an infrared sensor of the human body; Described multiple camera heads are installed on subterranean tunnel porch respectively, Ren Jing porch, cable concentrate place and cable joint place; Described multiple temperature sensors are installed on cable joint place respectively, and joint is with cable body connecting portion; Described multiple current transformers all select open-close type current transformer, are installed on A, B, C three-phase ground line at grounding box place respectively; Described multiple oxygen sensor and multiple combustible gas sensor are installed on cable and cross with gas pipeline or mutually nearby, near collecting gutter or water collecting well; Described multiple level sensors are installed near cable joint place, water pump and water collecting well place; In described subterranean tunnel, every 200 meters are provided with a Smoke Sensor, and cable concentrates place and cable joint place to be also provided with Smoke Sensor.
5. the underground cable utilizing the underground cable described in claim 1 to run intelligent comprehensive on-line monitoring system runs intelligent comprehensive on-line monitoring method, it is characterized in that: specifically comprise following monitoring step:
(1), cable theft-prevention monitoring: well lid folding condition transducer gathers the folding situation of people's well well lid, whether infrared sensor of the human body monitoring has personnel in tunnel, and to personnel positioning, then the data message gathered is transferred to Surveillance center by anti-theft monitoring module, Surveillance center shows the personnel positions in the folding situation of people's well well lid and tunnel in real time, situation about illegally entering in tunnel is reported to the police, the long-range closedown by anti-theft monitoring module control well cover antitheft lock simultaneously, realizes protection;
(2), cable video monitoring: camera head gathers the video image in tunnel, then transmission of video images is to Surveillance center, Surveillance center shows video image, store row relax analysis of going forward side by side, when video surveillance point picture occurs abnormal, monitoring center sends alarm signal and autostore video image;
(3), temperature of cable junction monitoring: temperature sensor gathers cable temperature data, concentrated by temperature monitoring module and send to Surveillance center, Surveillance center carries out statistical analysis to data, when temperature exceedes a certain set temperature value, Surveillance center starts warning, when variations in temperature in the unit interval exceedes a certain set temperature changing value, Surveillance center starts warning, when temperature gap between cable joint and joint extending part two test points reaches a certain set temperature difference, Surveillance center starts warning;
(4), cable metal sheath grounding current monitoring: current transformer gathers cable metal sheath grounding current data, concentrated by current monitoring module and send to Surveillance center, Surveillance center carries out statistical analysis to data, when earth current exceed a certain current value is set time, start and report to the police, when in the unit interval earth current change exceed a certain current variation value is set time, start report to the police;
(5), monitored gas environment: oxygen sensor, combustible gas sensor gather oxygen content in tunnel and fuel gas content respectively, concentrated by monitored gas environment module and send to Surveillance center, Surveillance center carries out statistical analysis to data, when oxygen or combustable gas concentration exceed a certain concentration value is set time, start and report to the police, when in the unit interval gas concentration change exceed a certain change in concentration value is set time, start report to the police;
(6), cable tunnel water level monitoring: level sensor gathers the waterlevel data of cable tunnel, then the water level monitoring module respectively by correspondence sends to Surveillance center, Surveillance center carries out statistical analysis to data, when water level value exceed a certain water level value is set time, start and report to the police, when in the unit interval water level value change exceed a certain SEA LEVEL VARIATION value is set time, start report to the police;
(7), cable tunnel smoke monitoring: Smoke Sensor gathers the smog alarm signal of cable tunnel, then the smoke monitoring module respectively by correspondence sends to Surveillance center, Surveillance center carries out statistical analysis to data, when smokescope value exceed a certain concentration value is set time, start and report to the police, when in the unit interval smog value change exceed a certain smog changing value is set time, start report to the police.
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| CN113640574A (en) * | 2020-04-27 | 2021-11-12 | 南京南瑞继保电气有限公司 | Tunnel cable sheath grounding circulation on-line monitoring device and monitoring method |
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Application publication date: 20150930 |