CN101893616A - Intelligent monitoring system for power system SF6 switching station - Google Patents
Intelligent monitoring system for power system SF6 switching station Download PDFInfo
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- CN101893616A CN101893616A CN2010101519578A CN201010151957A CN101893616A CN 101893616 A CN101893616 A CN 101893616A CN 2010101519578 A CN2010101519578 A CN 2010101519578A CN 201010151957 A CN201010151957 A CN 201010151957A CN 101893616 A CN101893616 A CN 101893616A
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Abstract
The invention provides an intelligent monitoring system for a power system SF6 switching station. The system comprises a network controller, a data processing terminal, an alarm unit, an on-line monitoring unit, an SF6 concentration and oxygen content comprehensive monitoring unit and an SF6 leakage positioning unit, wherein the data processing terminal is connected to the network controller; the alarm unit is connected with the data processing terminal and used for sending alarm according to the indication of the data processing terminal; the on-line monitoring unit, the SF6 concentration and oxygen content comprehensive monitoring unit and the SF6 leakage positioning unit are in signal connection with the data processing terminal through the network controller respectively; the SF6 leakage positioning unit is mobile; the on-line monitoring unit monitors the power system SF6 switching station in real time and transmits a detection signal to the data processing terminal through the network controller; and when abnormity is detected, the data processing terminal starts the SF6 concentration and oxygen content comprehensive monitoring unit to reduce a fault point range and then starts the SF6 leakage positioning unit to automatically track a fault point position. The intelligent monitoring system can analyze and process system abnormity in time to realize intelligent monitoring.
Description
Technical field
The present invention relates to the power equipment detection range, relate in particular to and a kind of gaseous state in the electric system SF6 switchyard is monitored integrated apparatus with leakage positioning.
Background technology
Gaseous state monitoring field at power equipment, traditional detection method is carried out visual monitoring for the monitoring personnel are in the action to the SF6 gas density relay that is installed in the scene, its operating process is affected by environment very big, cause easily that data are misread, the density monitor installation of operating personnel's reading custom and system for field etc. is all unfavorable to gas-monitoring, the sudden change of system gas content can not in time reflect, and the reliability of system has been proposed harsh challenge.
Simultaneously, the classic method of leakage positioning is after the monitoring personnel learn that density monitor is reported to the police, the equipment protective clothing enters the scene and detects, and adopts bubbling method, atmospheric density method etc. to detect the leakage point position according to actual conditions, and its operating process is loaded down with trivial details, seek the leakage point inefficiency, operating personnel's workload is big, and ageing and security all can not be fully protected, with the intelligent electrical network device conflict of current society, can not deal with problems fast and effectively, particularly thorny.
Therefore, urgent need is a kind of can realize status monitoring and reveal the incorporate intelligent monitor system in location.
Summary of the invention
At the deficiency of traditional detection device, the invention provides a kind of intelligent monitor system that is used for electric system SF6 switchyard, comprising: network controller; Data processing terminal is connected to described network controller; Alarm unit links to each other with described data processing terminal and is used for giving the alarm according to the indication of described data processing terminal; And on-line monitoring unit, SF6 concentration and oxygen content comprehensive monitoring unit and SF6 leakage positioning unit, be connected with described data processing terminal signal through described network controller respectively, wherein said SF6 leakage positioning unit is movably, wherein, described on-line monitoring unit is monitored described electric system SF6 switchyard in real time and detection signal is sent to described data processing terminal through described network controller, wherein, when detecting when unusual, described data processing terminal starts described SF6 concentration and oxygen content comprehensive monitoring unit earlier to dwindle the trouble spot scope, starts described SF6 leakage positioning unit then with the automatic tracking position of failure point.
According to a preferred embodiment, in above-mentioned intelligent monitor system, described SF6 concentration and oxygen content comprehensive monitoring unit comprise a plurality of equally distributed probes, and described probe is made of oxygen and SF6 Detection Circuit, in order to oxygen content and the SF6 concentration that detects the region respectively.
According to a preferred embodiment, in above-mentioned intelligent monitor system, described SF6 leakage positioning unit is installed on the robot car, and comprises: laser instrument and infreared imaging device are used to take the image of leak point; And wireless launcher, be used for described image is wirelessly transmitted to described network controller.
According to a preferred embodiment, in above-mentioned intelligent monitor system, described on-line monitoring unit comprises density sensor and little water sensor.
According to a preferred embodiment, in above-mentioned intelligent monitor system, the compatible CAN bus of described network controller, Ethernet and wireless connections.
Intelligent monitor system of the present invention can effectively be avoided many shortcomings of the prior art, the state of gas in can real-time monitoring system, avoided the testing staff must arrive the on-the-spot inconvenience that just can understand the running status of system, and can analyze the time period of system's needs maintenance automatically for user maintenance according to trend curve.In addition, this intelligent monitor system can also be provided with gas alarm latching door limit value according to the user and carry out corresponding prompt, and it is unusual to remind custom system to occur when reaching the threshold value that presets in system, needs the detection system fault.
Should be appreciated that the above generality of the present invention is described and the following detailed description all is exemplary and explanat, and be intended to the further explanation that the invention provides for as claimed in claim.
Description of drawings
Comprise that accompanying drawing is for providing the present invention further to be understood, they are included and are constituted the application's a part, and accompanying drawing shows embodiments of the invention, and play the effect of explaining the principle of the invention with this instructions.In the accompanying drawing:
Fig. 1 shows the schematic block diagram of intelligent monitor system of the present invention.
Fig. 2 shows the schematic block diagram of network controller.
Fig. 3 shows the schematic block diagram of SF6 leakage positioning unit.
Fig. 4 shows the schematic block diagram of alarm unit.
Fig. 5 shows the schematic block diagram of on-line monitoring unit.
Fig. 6 shows the schematic block diagram of SF6 concentration and oxygen content comprehensive monitoring unit.
Embodiment
Now with embodiments of the present invention will be described by referring to the drawings in detail.
Fig. 1 shows the schematic block diagram of intelligent monitor system of the present invention.As shown in Figure 1, intelligent monitor system of the present invention comprises data processing terminal 101, network controller 102, on-line monitoring unit 103, SF6 concentration and oxygen content comprehensive monitoring unit 104, SF6 leakage positioning unit 105 and alarm unit 106.In this embodiment, on-line monitoring unit 103 is connected with network controller 102 through the CAN bus with oxygen content comprehensive monitoring unit 104 with SF6 concentration, realize the transmitted in both directions of data, SF6 leakage positioning unit 105 then is connected with network controller 102 with wireless mode so that the seamless link of the automatic tracking of equipment and realization data.In addition, network controller 102 is connected with data processing terminal 101 usefulness Ethernets, ensures the transmission bandwidth of the high data stream of checkout equipment, makes the image transmission become possibility.Alarm unit 106 is used to realize the warning of data exception, and reminding custom system to make mistakes needs in time to solve.
In operating process, on-line monitoring unit 103 is the described electric system SF6 switchyard of monitoring in real time, and the gaseous state parameter is outputed to data processing terminal 101 through network controller 102.The data that these data processing terminal 101 analyzing and processing transmit up and with set normal value and think comparison, and file.When data exception occurring, this data processing terminal 101 is through discriminatory analysis Data Source zone preliminary judgement fault coverage, the then general location of automatically starting SF6 concentration and oxygen content comprehensive monitoring unit 104 trouble spot of breaking down with decision-making system, dwindle the trouble spot scope, can further start the 105 pairs of leakage points in SF6 leakage positioning unit then positions, and the particular location of trouble spot and leak condition are sent it back data processing terminal 101 with video, and then trigger alarm unit 106 and remind operating personnel to handle by the mode of Ethernet.
Particularly, near the region air quality is responsible for analyzing by some equally distributed probes in SF6 concentration and oxygen content comprehensive monitoring unit 104.This probe constitutes SF6 concentration and oxygen content by oxygen and SF6 Detection Circuit at least.Determine the concrete position of revealing according to detected probe, with this fault analysis and judgement point than particular location.In addition, this leakage positioning unit 105 is installed on the robot car, with SF6 concentration and oxygen content comprehensive monitoring unit 104 linkage works, automatic tracking concrete leakage point position also sends to network controller 102 in the mode of image by wireless network, then be sent to data processing terminal 101 and be convenient to the user and monitor field conditions and instant the processing in time, accurately, effectively ensure the safety of electric system.
Fig. 2 further shows the inner structure of network controller 102.This network controller 102 is the ties between data processing terminal 101 and each the checkout equipment 103-105, is bearing the effect of forming a connecting link.Based on the foregoing description, this network controller 102 needs to comprise communication relays 201, CAN/ Ethernet (Ethernet) module 202,203 and wireless/Ethernet (Ethernet) module 204 at least, realize the CAN/Ethernet conversion of online detection unit 103 and SF6 concentration and oxygen content comprehensive monitoring unit 104 and the Wireless/Ethernet conversion back relaying of SF6 leakage positioning unit 105, with data processing terminal 101 transmitted in both directions, realize the seamless link of data.
Fig. 3 shows the structured flowchart of SF6 leakage positioning unit 105.This SF6 leakage positioning unit 105 for example comprises by laser instrument and infreared imaging device and is configured for taking detecting head 303, signal modulation module 302, the digital signal processor (DSP) 301 of image of leak point and the wireless launcher (not shown) that is used for described image is wirelessly transmitted to described network controller 102.As shown in the figure, this unit, can transmit realtime graphic by wireless mode simultaneously and be convenient to the user to data processing terminal 101 and observe and analysis according to optimal algorithm automatic tracking leakage point position by self dsp processor 301 control robot dolly 305.In addition, this SF6 leakage positioning unit 105 also can be realized the scanning of on-the-spot ad-hoc location is detected according to user's needs manual manipulation robot car 305, reach and substitute the purpose of operating personnel, played the better guarantees effect to the real-time of site inspection with to user's life safety to the site inspection leakage point.
Warning circuit 106 shown in Figure 4 can be installed in ad-hoc location according to user's needs, and comprises: CPU401, power amplifier 402, loudspeaker 403 and stand by lamp 404.After system detects equipment under test and breaks down, the CPU401 of warning circuit 106 starts corresponding control module, send make mistakes particular location or warn with stand by lamp 404 of error message and trouble spot after by power amplifier 402 and loudspeaker 403 with the corresponding peculiar voice messaging of different code, the prompting related work personnel in time handle.
As shown in Figure 5, on-line monitoring unit 103 is made up of gas sensor 503, signal modulation module 502, central processing unit (CPU) 501 and display 504.This gas sensor 503 can further comprise density sensor and little water sensor.Gas sensor 503 is the correlation parameter of monitoring gas circuit in real time, being sent to central processing unit 501 after its value process signal modulation module shaping amplification analog to digital conversion handles and shows on local display 504 (optional), critical data wherein is sent to analyzing and processing and the system coordination that data processing terminal 101 is realized data by the CAN bus, and the foundation of system's subsequent control reference is provided.
Among Fig. 6, SF6 concentration and oxygen content comprehensive monitoring unit 104 comprise oxygen sensor 602 and SF6 sensor 603, SF6 and oxygen content in their moment testing environments, and amplify by signal modulation module 601 and to enter central processing unit 604 after the sizing die number conversion and realize the pre-service of data and compare with preset threshold, promptly be judged to be quality of air environment problem is arranged when any index wherein transfinites, carry out subsequent treatment by the CAN bus transfer to data processing terminal 101 simultaneously.
Those skilled in the art will appreciate that the present invention is not limited only to the preferred embodiment that disclose in this place.For example, each assembly of intelligent monitor system of the present invention can interconnect with different connected modes (for example other known bus modes) and realize equal technique effect.This conspicuous replacement should be that those of ordinary skill in the art can realize easily, thus in the present specification no longer the form with embodiment do more detailed description.
Those skilled in the art can be obvious, can carry out various modifications and variations and without departing from the spirit and scope of the present invention to above-mentioned exemplary embodiment of the present invention.Therefore, be intended to that the present invention is covered and drop in appended claims and the equivalence techniques scheme scope thereof to modification of the present invention and modification.
Claims (5)
1. intelligent monitor system that is used for electric system SF6 switchyard comprises:
Network controller;
Data processing terminal is connected to described network controller;
Alarm unit links to each other with described data processing terminal and is used for giving the alarm according to the indication of described data processing terminal; And
On-line monitoring unit, SF6 concentration and oxygen content comprehensive monitoring unit and SF6 leakage positioning unit are connected with described data processing terminal signal through described network controller respectively, and wherein said SF6 leakage positioning unit is movably,
Wherein, described on-line monitoring unit is monitored described electric system SF6 switchyard in real time and detection signal is sent to described data processing terminal through described network controller,
Wherein, when detecting when unusual, described data processing terminal starts described SF6 concentration and oxygen content comprehensive monitoring unit earlier to dwindle the trouble spot scope, starts described SF6 leakage positioning unit then with the automatic tracking position of failure point.
2. intelligent monitor system as claimed in claim 1, it is characterized in that, described SF6 concentration and oxygen content comprehensive monitoring unit comprise a plurality of equally distributed probes, and described probe is made of oxygen and SF6 Detection Circuit, in order to oxygen content and the SF6 concentration that detects the region respectively.
3. intelligent monitor system as claimed in claim 1 is characterized in that, described SF6 leakage positioning unit is installed on the robot car, and comprises:
Laser instrument and infreared imaging device are used to take the image of leak point; And
Wireless launcher is used for described image is wirelessly transmitted to described network controller.
4. intelligent monitor system as claimed in claim 1 is characterized in that, described on-line monitoring unit comprises density sensor and little water sensor.
5. intelligent monitor system as claimed in claim 1 is characterized in that, the compatible CAN bus of described network controller, Ethernet and wireless connections.
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| CN2010101519578A CN101893616A (en) | 2010-04-21 | 2010-04-21 | Intelligent monitoring system for power system SF6 switching station |
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| CN2010101519578A CN101893616A (en) | 2010-04-21 | 2010-04-21 | Intelligent monitoring system for power system SF6 switching station |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102788741A (en) * | 2011-05-18 | 2012-11-21 | 北京汇丰隆经济技术开发有限公司 | Movable biological aerosol monitoring alarm system |
| CN103440007A (en) * | 2013-08-30 | 2013-12-11 | 国家电网公司 | Transformer substation environment monitoring system |
| CN103440004A (en) * | 2013-07-16 | 2013-12-11 | 国家电网公司 | Prediction and processing system of environmental parameters of switch station and prediction and processing method thereof |
| CN103454042A (en) * | 2013-09-16 | 2013-12-18 | 国家电网公司 | High voltage circuit breaker SF6 charged gas leakage detection device |
| CN105092161A (en) * | 2014-05-20 | 2015-11-25 | 庄孟文 | SF6 gas leakage point detection alarm system |
| CN105447471A (en) * | 2015-12-04 | 2016-03-30 | 国网技术学院 | Infrared detection based device gas leakage identification method and apparatus |
| CN105716810A (en) * | 2016-01-29 | 2016-06-29 | 国家电网公司 | SF6 leakage detection system and method of GIS of transformer station |
| CN106625716A (en) * | 2017-01-22 | 2017-05-10 | 国网河南省电力公司检修公司 | Leak detection robot for SF6 gasin substation GIS equipment |
| CN107561029A (en) * | 2017-08-04 | 2018-01-09 | 合肥工业大学 | A kind of SF6 leakage on-line monitoring systems based on infrared laser imaging dolly |
| CN108493047A (en) * | 2018-04-09 | 2018-09-04 | 国网安徽省电力有限公司检修分公司 | A kind of sulfur hexafluoride gas density relay teletransmission communication system |
| CN108507725A (en) * | 2018-04-20 | 2018-09-07 | 国网江苏省电力有限公司电力科学研究院 | A kind of sulfur hexafluoride gas Leakage Detection device |
| CN108931481A (en) * | 2018-07-26 | 2018-12-04 | 国网重庆市电力公司南岸供电分公司 | Wide dynamic pressure measurement instrument and its measurement method applied to SF6 high-voltage switch gear |
| CN110717081A (en) * | 2019-10-11 | 2020-01-21 | 国网北京市电力公司 | Mobile SF6 automatic recovery system based on GIS equipment fault leakage source positioning |
| CN112179591A (en) * | 2020-09-16 | 2021-01-05 | 国网山东省电力公司济南市济阳区供电公司 | Intelligent detection vehicle for sulfur hexafluoride gas leakage of transformer substation |
| CN113340769A (en) * | 2021-06-24 | 2021-09-03 | 江西德安万年青水泥有限公司 | 110KV total drop GIS micro-water density on-line monitoring system |
| CN114965896A (en) * | 2022-05-31 | 2022-08-30 | 广东电网有限责任公司 | Method and device for detecting concentration of indoor sulfur hexafluoride |
| CN117451952A (en) * | 2023-12-25 | 2024-01-26 | 深圳市微克科技有限公司 | Ambient gas detection method, system and medium based on intelligent wearable equipment |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788741B (en) * | 2011-05-18 | 2014-12-31 | 北京汇丰隆经济技术开发有限公司 | Movable biological aerosol monitoring alarm system |
| CN102788741A (en) * | 2011-05-18 | 2012-11-21 | 北京汇丰隆经济技术开发有限公司 | Movable biological aerosol monitoring alarm system |
| CN103440004A (en) * | 2013-07-16 | 2013-12-11 | 国家电网公司 | Prediction and processing system of environmental parameters of switch station and prediction and processing method thereof |
| CN103440004B (en) * | 2013-07-16 | 2015-09-09 | 国家电网公司 | A kind of switchyard environmental parameter prediction and disposal system and prediction thereof and disposal route |
| CN103440007A (en) * | 2013-08-30 | 2013-12-11 | 国家电网公司 | Transformer substation environment monitoring system |
| CN103454042A (en) * | 2013-09-16 | 2013-12-18 | 国家电网公司 | High voltage circuit breaker SF6 charged gas leakage detection device |
| CN105092161A (en) * | 2014-05-20 | 2015-11-25 | 庄孟文 | SF6 gas leakage point detection alarm system |
| CN105447471A (en) * | 2015-12-04 | 2016-03-30 | 国网技术学院 | Infrared detection based device gas leakage identification method and apparatus |
| CN105716810B (en) * | 2016-01-29 | 2018-10-19 | 国家电网公司 | Substation's GIS device SF6 leak detection systems and method |
| CN105716810A (en) * | 2016-01-29 | 2016-06-29 | 国家电网公司 | SF6 leakage detection system and method of GIS of transformer station |
| CN106625716A (en) * | 2017-01-22 | 2017-05-10 | 国网河南省电力公司检修公司 | Leak detection robot for SF6 gasin substation GIS equipment |
| CN107561029A (en) * | 2017-08-04 | 2018-01-09 | 合肥工业大学 | A kind of SF6 leakage on-line monitoring systems based on infrared laser imaging dolly |
| CN107561029B (en) * | 2017-08-04 | 2020-07-07 | 合肥工业大学 | SF6 leakage online monitoring system based on infrared laser imaging trolley |
| CN108493047A (en) * | 2018-04-09 | 2018-09-04 | 国网安徽省电力有限公司检修分公司 | A kind of sulfur hexafluoride gas density relay teletransmission communication system |
| CN108493047B (en) * | 2018-04-09 | 2024-05-28 | 国网安徽省电力有限公司超高压分公司 | Sulfur hexafluoride gas density relay remote transmission communication system |
| CN108507725A (en) * | 2018-04-20 | 2018-09-07 | 国网江苏省电力有限公司电力科学研究院 | A kind of sulfur hexafluoride gas Leakage Detection device |
| CN108931481A (en) * | 2018-07-26 | 2018-12-04 | 国网重庆市电力公司南岸供电分公司 | Wide dynamic pressure measurement instrument and its measurement method applied to SF6 high-voltage switch gear |
| CN110717081A (en) * | 2019-10-11 | 2020-01-21 | 国网北京市电力公司 | Mobile SF6 automatic recovery system based on GIS equipment fault leakage source positioning |
| CN112179591A (en) * | 2020-09-16 | 2021-01-05 | 国网山东省电力公司济南市济阳区供电公司 | Intelligent detection vehicle for sulfur hexafluoride gas leakage of transformer substation |
| CN113340769A (en) * | 2021-06-24 | 2021-09-03 | 江西德安万年青水泥有限公司 | 110KV total drop GIS micro-water density on-line monitoring system |
| CN114965896A (en) * | 2022-05-31 | 2022-08-30 | 广东电网有限责任公司 | Method and device for detecting concentration of indoor sulfur hexafluoride |
| CN117451952A (en) * | 2023-12-25 | 2024-01-26 | 深圳市微克科技有限公司 | Ambient gas detection method, system and medium based on intelligent wearable equipment |
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Application publication date: 20101124 |