CN105158658A - High-voltage insulator online monitoring system - Google Patents
High-voltage insulator online monitoring system Download PDFInfo
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- CN105158658A CN105158658A CN201510537589.3A CN201510537589A CN105158658A CN 105158658 A CN105158658 A CN 105158658A CN 201510537589 A CN201510537589 A CN 201510537589A CN 105158658 A CN105158658 A CN 105158658A
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Abstract
The invention discloses a high-voltage insulator online monitoring system, and belongs to the technical filed of high-voltage protection electric appliances. The system comprises a data acquisition module, a lightening protection module, a microprocessor, a data transmitting module and a GPS module. The monitoring system wirelessly transmits signals to a monitoring center via the data transmitting module. The data acquisition module is used for acquiring insulator current, onsite temperature, atmosphere humidity and atmosphere flow velocity data and is connected with the lightening protection module. The data acquisition module is connected with the microprocessor to transmit the data to the microprocessor. The GPS module is connected with the microprocessor and used for positioning the location of each insulator to transmit the location to the microprocessor. The microprocessor transmits the acquired insulator data to the monitoring center via the data transmitting module. Problems that insulator online faults are various, the working system is instable and prediction results are difficult to notify timely can be solved so that the high-voltage insulator online monitoring system has advantages that the data signals are collected and analyzed timely, the early warning phenomenon is discovered and alarm is performed timely and fault early warning is realized.
Description
Technical field
The invention belongs to high voltage protective technical field of electric appliances, relate to insulator pollution monitoring direction, be specifically related to a kind of HV Insulator On-line Monitoring Systems.
Background technology
Insulator is a kind of special insulation control, can play an important role in overhead transmission line.In one's early years, insulator is used for electric pole, and slowly develop and hung the insulator of a lot of plate-like in one end of high type high-tension bus-bar connection tower, it is made up of glass or pottery usually in order to increase creepage distance, is just insulator.Insulator should not to change the various dynamo-electric stress that causes and losing efficacy due to environment and electric load condition, otherwise insulator would not produce great effect, will damage use and the operation life of whole piece circuit.
The filth such as floating dust is adhered at insulator surface, form path to be punctured by insulator both end voltage, especially in wet weather situation, easily there is flashover electric discharge in dirty insulator, the harm that the hazard ratio of the insulator contamination that filth causes causes because being struck by lightning is larger, and the loss caused is even more serious.According to statistics, insulator contamination accident is only second to thunderbolt in recent years, quantitatively occupies the second of power grid accident, and loss is 9.3 times of lightning strike accident, so the filthy on-line monitoring of insulator seems particularly important.
Summary of the invention
According to above the deficiencies in the prior art, technical matters to be solved by this invention proposes a kind of HV Insulator On-line Monitoring Systems, by gathering the multiple related data of insulator, set up lightning proof, select timely transmission and the analysis of two kinds of wireless signal transfer mode guarantee informations, on-line analysis result immediately show and exceed automatically giving the alarm of threshold value, solve the online fault of insulator various, work system is unstable, predict the outcome and be difficult to the problem of notice in time, have and converge data-signal immediate analysis, find early warning phenomenon and alarm, realize the advantage of fault pre-alarming.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of HV Insulator On-line Monitoring Systems, described HV Insulator On-line Monitoring Systems comprises data acquisition module, anti-lightning strike module, microprocessor, data transmission blocks and GPS module, HV Insulator On-line Monitoring Systems passes through data transmission blocks wireless transmission of signals to Surveillance center, data acquisition module is used for gathering the electric current of insulator, on-the-spot temperature, atmospheric humidity, air flow speed data connects anti-lightning strike module, data acquisition module connects microprocessor and sends data to microprocessor, the position that GPS module connection microprocessor is used for locating each insulator is sent to microprocessor, microprocessor connection data sending module, microprocessor sends the insulator data that collect to Surveillance center by data transmission blocks.
In said system, described data acquisition module comprises current sensor, temperature sensor, humidity sensor and air speed measuring apparatus, and current sensor detects the electric current of insulator, and temperature sensor detects atmospheric temperature, humidity sensor detects atmospheric humidity, and air speed measuring apparatus detects air flow speed.Each sensor in described data acquisition module connects anti-lightning strike module to be prevented from forming high pressure destruction instantaneously at equipment access.Described data transmission blocks comprises GPRS communication and SMS communication, the data of data acquisition unit acquires is sent on network and transmits, and communication network is mainly by means of mobile radio communication and the telephone network of this locality.Signal is provided with in described microprocessor
Intensity monitoring unit, the automatic monitor signal strength of signal intensity monitoring means, and automatically switch between GPRS communication and SMS communication modes, ensure that data transmit continuous.Described Surveillance center comprises data receipt unit, modulator-demodular unit, database and electrical network prewarning unit, the output terminal of data receipt unit connects modulator-demodular unit, the output terminal connection data storehouse of modulator-demodular unit and electrical network prewarning unit, data receipt unit be used for wireless receiving data transmission blocks send data, when the data monitored exceed the threshold value arranged in electrical network prewarning unit, electrical network prewarning unit gives the alarm signal.Described Surveillance center sets up SMS communication server, the special short message data received in SMS communication modes.Described HV Insulator On-line Monitoring Systems also comprises power module, power module adopts wind energy transformation electric energy to power, power module comprises blower fan, inverter, accumulator, assembling is in the transmission tower of laying insulator, blower fan connects inverter, inverter connects accumulator, and accumulator is connected to line monitoring system.Described insulator is also provided with cleaning mechanism, and cleaning mechanism is rotationally connected on the external surface of the insulator, and cleaning mechanism rotates with the wind.
Beneficial effect of the present invention is: the invention provides a kind of HV Insulator On-line Monitoring Systems, the data such as filthy characteristic quantity, temperature, humidity, wind speed of insulator chain on this system on-line real time monitoring transmission line of electricity, and passed to Surveillance center, by Surveillance center, correct predicting and evaluating is made to the filth of insulator and aging performance, find early warning phenomenon and alarm, realize fault pre-alarming, and by GPRS module to localization of fault, promptly and accurately instruct troubleshooting effort.
Accompanying drawing explanation
Below the content expressed by this Figure of description and the mark in figure are briefly described:
Fig. 1 is the principle of work block diagram of the HV Insulator On-line Monitoring Systems of the specific embodiment of the present invention.
Fig. 2 is the principle of work block diagram of the Surveillance center of the specific embodiment of the present invention.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and principle of work, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
The invention provides a kind of HV Insulator On-line Monitoring Systems, the data such as filthy characteristic quantity, temperature, humidity, wind speed of insulator chain on this system on-line real time monitoring transmission line of electricity, and passed to Surveillance center, by Surveillance center, correct predicting and evaluating is made to the filth of insulator and aging performance, find early warning phenomenon and alarm, realize fault pre-alarming, and by GPRS module to localization of fault, promptly and accurately instruct troubleshooting effort.
As shown in Figure 1, HV Insulator On-line Monitoring Systems comprises data acquisition module, anti-lightning strike module, microprocessor, data transmission blocks, power module, GPS module, HV Insulator On-line Monitoring Systems passes through data transmission blocks wireless transmission of signals to Surveillance center, data acquisition module is used for gathering the electric current of insulator, on-the-spot temperature, atmospheric humidity, air flow speed data, data acquisition module connects anti-lightning strike module protection data acquisition module, data acquisition module connects microprocessor and sends data to microprocessor, GPS module connects microprocessor and is used for locating the position of each insulator and packs together with the large data of data acquisition module and be sent to microprocessor, microprocessor temporal data, microprocessor connection data sending module, microprocessor sends the insulator data that collect to Surveillance center by data transmission blocks, power module provides stable power supply for monitoring system, be that electric energy uses by wind energy transformation.
Due to the multiple high-tension line tower composition of high voltage transmission line route, each high-tension line tower there is respective monitoring system, the measurement data of each data cell all this high-tension line tower of temporary storage, acquisition system on each electric tower is by a Microprocessor S3C44B0X, be responsible for data preparation, packing, and according to the request of Surveillance center, the data of collection are sent in the data transmission blocks of this unit, and judge to adopt GPRS or SMS mode to beam back in monitoring according to the power of signal, the data received store in a hard disk with document form by Surveillance center's computing machine, demonstrate and each electric tower often goes here and there the present current value of high-tension insulator, provide alerting signal according to default alarm threshold value and on electronic chart, look into out of order particular location according to gps system again, guided maintenance.
Data acquisition module comprises current sensor, temperature sensor, humidity sensor, air speed measuring apparatus, measure the electric current of insulator chain, on-the-spot temperature, atmospheric humidity, air flow speed respectively, and the data collected are sent to microprocessor, temporary transient preservation in the microprocessor, according to the instruction works of microprocessor.Each data acquisition module all connects anti-lightning strike module; protected data acquisition module does not threaten by thunderbolt; destroy for preventing forming high pressure instantaneously at equipment access, whole system carries out multiple Phototube Coupling and pressure limiting measure, introduces anti-lightning strike module to prevent instantaneous pressure.
The output terminal connection data sending module of microprocessor, data in microprocessor all will be sent to long-range Surveillance center, teledata is sent by data transmission blocks, the mode that data transmission blocks adopts GPRS communication and SMS communication to combine, the data of data acquisition unit acquires be sent on network and carry out transmitting communication network mainly by means of mobile radio communication and the telephone network of this locality, this system is provided by local communication service provider completely, and facility is complete, change less, install rapidly.The design of data transmission blocks mainly even arrived each electric tower collection in worksite by wireless transmit, wire transmission in the past, and cost is very high, affects the generally employing of its system.The gradual perfection of current GPRS network, coverage rate improves, and its relative inexpensiveness, we adopt this scheme to consider, and high tension electric tower is more than field, when GPRS network signal intensity is not enough, the automatic monitor signal strength of signal intensity monitoring means in microprocessor, and automatically switch between GPRS/SMS mode, ensure that data transmit continuous.
As shown in Figure 2, Surveillance center comprises data receipt unit, modulator-demodular unit, database and electrical network prewarning unit, the output terminal of data receipt unit connects modulator-demodular unit, the output terminal connection data storehouse of modulator-demodular unit and electrical network prewarning unit, data receipt unit be used for wireless receiving data transmission blocks send data, the data received are collected through modulator-demodular unit, analyze, calculate monitoring and prediction result and data and result are preserved in a database, correct predicting and evaluating is made to the filth of insulator and aging performance, when the data monitored exceed the threshold value arranged in electrical network prewarning unit, electrical network prewarning unit gives the alarm signal.
Data receipt unit includes two kinds of receive modes, and because data are with the transmission of GPRS mode, it receives point 2 kinds of modes: when adopting GPRS mode, data are by ICP/IP protocol transmission; Using SMS mode as subsequent use, except its poor real, mainly cost is high, and measured result shows, under current network condition, systematic evaluation is still more to the time of which work.For reducing costs and ensureing real-time as far as possible, set up SMS communication server in Surveillance center, receive short message data specially.Data are collected by modulator-demodular unit by Surveillance center, by analysis systematic analysis, and the monitoring and prediction data drawn export in a variety of forms, facilitate user management.The record etc. that database preserves all electric tower high-tension insulator eigenwerts in range of management, measurement and the historical data of weather forecast, each insulator break down.Electrical network prewarning unit provides real-time high-tension insulator current measurement value and analytic curve to staff, and the horizon prediction of insulator electric current is provided according to the 72h weather forecast of local meteorological station, the electric current of Surveillance center to high-tension insulator arranges alarm threshold value, and when controller, system instantly prompting is reported to the police.
Electrical network prewarning unit gives the alarm after signal, the insulator positional information that localization of fault is transmitted by GPS can provide insulator breakdown criterion in conjunction with weather forecast, in the data that data acquisition module sends each transmission tower insulator relevant data signals in include the GPS position information of each transmission tower, so once Surveillance center monitors fault-signal, can be very fast find trouble spot, and on electronic chart the accurate orientation of indication fault, guide maintenance.
Power module formula in the present invention is on-line monitoring system powered operation, in order to ensure that power supply is normal, avoid the situation generation of the power-off of any midway, power supply deficiency, the power module in the present invention have employed powered by wind energy, and the height of high-tension line tower is enough high, air quantity foot, in assembling transmission tower, wind is converted into electrical power storage in accumulator, accumulator connects inverter, ensure that stable output is applicable to the electric current of circuit working, guarantee the normal work of monitoring system.Insulator is also provided with cleaning mechanism, and cleaning mechanism is rotationally connected on the external surface of the insulator, and cleaning mechanism rotates with the wind, the setting of cleaning mechanism is in order to the floating dust of clean insulator surface is filthy, reduce filthy, less pollution flashover accident, increase the serviceable life of insulator.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.The protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (9)
1. a HV Insulator On-line Monitoring Systems, it is characterized in that, described HV Insulator On-line Monitoring Systems comprises data acquisition module, anti-lightning strike module, microprocessor, data transmission blocks and GPS module, HV Insulator On-line Monitoring Systems passes through data transmission blocks wireless transmission of signals to Surveillance center, data acquisition module is used for gathering the electric current of insulator, on-the-spot temperature, atmospheric humidity, air flow speed data connects anti-lightning strike module, data acquisition module connects microprocessor and sends data to microprocessor, the position that GPS module connection microprocessor is used for locating each insulator is sent to microprocessor, microprocessor connection data sending module, microprocessor sends the insulator data that collect to Surveillance center by data transmission blocks.
2. HV Insulator On-line Monitoring Systems according to claim 1, it is characterized in that, described data acquisition module comprises current sensor, temperature sensor, humidity sensor and air speed measuring apparatus, current sensor detects the electric current of insulator, temperature sensor detects atmospheric temperature, humidity sensor detects atmospheric humidity, and air speed measuring apparatus detects air flow speed.
3. HV Insulator On-line Monitoring Systems according to claim 2, is characterized in that, each sensor in described data acquisition module connects anti-lightning strike module to be prevented from forming high pressure destruction instantaneously at equipment access.
4. HV Insulator On-line Monitoring Systems according to claim 1, it is characterized in that, described data transmission blocks comprises GPRS communication and SMS communication, the data of data acquisition unit acquires be sent on network and transmit, communication network is mainly by means of mobile radio communication and the telephone network of this locality.
5. HV Insulator On-line Monitoring Systems according to claim 4, it is characterized in that, signal intensity monitoring means is provided with in described microprocessor, the automatic monitor signal strength of signal intensity monitoring means, and automatically switch between GPRS communication and SMS communication modes, ensure that data transmit continuous.
6. HV Insulator On-line Monitoring Systems according to claim 1, it is characterized in that, described Surveillance center comprises data receipt unit, modulator-demodular unit, database and electrical network prewarning unit, the output terminal of data receipt unit connects modulator-demodular unit, the output terminal connection data storehouse of modulator-demodular unit and electrical network prewarning unit, data receipt unit be used for wireless receiving data transmission blocks send data, when the data monitored exceed the threshold value arranged in electrical network prewarning unit, electrical network prewarning unit gives the alarm signal.
7. HV Insulator On-line Monitoring Systems according to claim 6, is characterized in that, described Surveillance center sets up SMS communication server, the special short message data received in SMS communication modes.
8. HV Insulator On-line Monitoring Systems according to claim 6, it is characterized in that, described HV Insulator On-line Monitoring Systems also comprises power module, power module adopts wind energy transformation electric energy to power, power module comprises blower fan, inverter, accumulator, and assembling is in the transmission tower of laying insulator, and blower fan connects inverter, inverter connects accumulator, and accumulator is connected to line monitoring system.
9. HV Insulator On-line Monitoring Systems according to claim 1, is characterized in that, described insulator is also provided with cleaning mechanism, and cleaning mechanism is rotationally connected on the external surface of the insulator, and cleaning mechanism rotates with the wind.
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| CN201510537589.3A CN105158658A (en) | 2015-08-26 | 2015-08-26 | High-voltage insulator online monitoring system |
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Cited By (10)
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| CN105571644A (en) * | 2016-01-19 | 2016-05-11 | 西安工程大学 | Metal dust pollution on-line monitoring device for insulator, and monitoring method thereof |
| CN105955171A (en) * | 2016-06-27 | 2016-09-21 | 大唐山东烟台电力开发有限公司 | Power transmission and transformation equipment monitoring system |
| CN106297249A (en) * | 2016-09-28 | 2017-01-04 | 东莞市罗数基础工业科技有限公司 | Stamping machine production capacity acquisition system |
| CN107993429A (en) * | 2017-11-08 | 2018-05-04 | 国家电网公司 | A kind of passive pollution flashover monitoring system |
| CN110850246A (en) * | 2019-11-20 | 2020-02-28 | 国网河南省电力公司南阳供电公司 | Method and device for monitoring abnormal state of insulator and computer-storable medium |
| CN111029053A (en) * | 2019-12-31 | 2020-04-17 | 广东电网有限责任公司 | Suspension insulator |
| CN112419692A (en) * | 2020-10-29 | 2021-02-26 | 安普瑞斯(南京)航运动力有限公司 | Wireless transmission system specially used for detecting high temperature of battery high-voltage line |
| CN113178294A (en) * | 2020-06-22 | 2021-07-27 | 中国石化集团胜利石油管理局有限公司电力分公司 | Insulator with fault sensing function and production process thereof |
| CN113933458A (en) * | 2021-09-17 | 2022-01-14 | 国网江苏省电力有限公司盐城供电分公司 | Early warning system for insulator dust pollution |
| CN116124903A (en) * | 2023-04-13 | 2023-05-16 | 广东电网有限责任公司揭阳供电局 | Defect early warning method, device, system, equipment and medium for insulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105571644A (en) * | 2016-01-19 | 2016-05-11 | 西安工程大学 | Metal dust pollution on-line monitoring device for insulator, and monitoring method thereof |
| CN105571644B (en) * | 2016-01-19 | 2018-07-06 | 西安工程大学 | A kind of insulator metallic dust filth on-Line Monitor Device and its monitoring method |
| CN105955171A (en) * | 2016-06-27 | 2016-09-21 | 大唐山东烟台电力开发有限公司 | Power transmission and transformation equipment monitoring system |
| CN105955171B (en) * | 2016-06-27 | 2019-04-16 | 大唐山东烟台电力开发有限公司 | A kind of power transmission and transforming equipment monitoring system |
| CN106297249A (en) * | 2016-09-28 | 2017-01-04 | 东莞市罗数基础工业科技有限公司 | Stamping machine production capacity acquisition system |
| CN107993429A (en) * | 2017-11-08 | 2018-05-04 | 国家电网公司 | A kind of passive pollution flashover monitoring system |
| CN110850246A (en) * | 2019-11-20 | 2020-02-28 | 国网河南省电力公司南阳供电公司 | Method and device for monitoring abnormal state of insulator and computer-storable medium |
| CN111029053A (en) * | 2019-12-31 | 2020-04-17 | 广东电网有限责任公司 | Suspension insulator |
| CN113178294A (en) * | 2020-06-22 | 2021-07-27 | 中国石化集团胜利石油管理局有限公司电力分公司 | Insulator with fault sensing function and production process thereof |
| CN113178294B (en) * | 2020-06-22 | 2022-10-25 | 中国石化集团胜利石油管理局有限公司电力分公司 | Insulator with fault sensing function and production process thereof |
| CN112419692A (en) * | 2020-10-29 | 2021-02-26 | 安普瑞斯(南京)航运动力有限公司 | Wireless transmission system specially used for detecting high temperature of battery high-voltage line |
| CN113933458A (en) * | 2021-09-17 | 2022-01-14 | 国网江苏省电力有限公司盐城供电分公司 | Early warning system for insulator dust pollution |
| CN116124903A (en) * | 2023-04-13 | 2023-05-16 | 广东电网有限责任公司揭阳供电局 | Defect early warning method, device, system, equipment and medium for insulator |
| CN116124903B (en) * | 2023-04-13 | 2023-08-15 | 广东电网有限责任公司揭阳供电局 | Defect early warning method, device, system, equipment and medium for insulator |
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Application publication date: 20151216 |