CN202928617U - Transmission line conducting wire icing and galloping on-line monitoring unit - Google Patents
Transmission line conducting wire icing and galloping on-line monitoring unit Download PDFInfo
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- CN202928617U CN202928617U CN2012207001497U CN201220700149U CN202928617U CN 202928617 U CN202928617 U CN 202928617U CN 2012207001497 U CN2012207001497 U CN 2012207001497U CN 201220700149 U CN201220700149 U CN 201220700149U CN 202928617 U CN202928617 U CN 202928617U
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Abstract
The utility model provides a transmission line conducting wire icing and galloping on-line monitoring unit, relating to the power system transmission line monitoring technology. The utility model provides an on-line monitoring unit which can be in large-scale application and is integrated with functions of transmission line conducting wire icing and galloping. According to the unit, a camera is used for shooting image information of a monitored conductive wire. The data transmission of the camera with a core processing unit is realized through a serial port. A tension sensor unit is used for detecting the tension of the monitored conducting wire. An inclination angle sensor unit is used for detecting an inclination angle of the monitored conducting wire. A meteorological sensor unit is used for detecting a meteorological parameter of an environment at which the monitored conductive wire is located. The data transmission between the tension sensor unit, the inclination angle sensor unit and the meteorological sensor unit and the core processing unit is realized through a ZigBee wireless module, and the remote data transmission of the core processing unit is realized through a remote communication module which is a GPRS communication module and a CDMA communication module.
Description
Technical field
The utility model relates to the power system transmission line monitoring technology, belongs to the detection technique field.
Background technology
The overhead power transmission conducting wire icing refers to that raindrop or snowfall fall on (0 ℃) wire that is below the freezing point the phenomenon of solidifying ice.Wire icing is as special meteorological condition, causes for the safe operation of overhead transmission line and has a strong impact on.In sleety weather in the winter time, because ice coating load is overweight, cause ice to dodge tripping operation, conductor galloping and to take the accident such as broken string frequent, directly affect the normal operation of electrical network.It is the oscillation phenomenon of a kind of low frequency (0.1 ~ 3HZ), large amplitude (〉 10m) that overhead power transmission conducting wire is waved, and to wave ripple be standing wave, and when waving, a full shelves pole line is done significantly awave concussion, and has swing concurrently.Conductor galloping is also the key factor that threatens electric power netting safe running.
Conductor galloping can occur such as: wire electric arc burn, gold utensil damage, disconnected strand of wire, broken string, the accident such as tower of falling.At the beginning of 2008, National Power System is because the direct economic loss that snow disaster causes is 40,000,000,000 yuan, accounts for 22.3% of loss that national snow disaster causes.Wherein, waving and cause infringement defeated, converting equipment due to icing, is one of disaster-stricken more serious major reason of current electrical network.
Early stage monitoring transmission line icing mainly relies on artificial line walking, be subjected to the impact of the factors such as terrain environment, peopleware, weather conditions larger, and efficient is low, the cycle of patrolling again is long, can not promptly pinpoint the problems.Therefore, the research and development of powerline ice-covering and the on-line monitoring of waving and early warning technology have obvious economic worth and social effect.
At present, Chinese scholars has obtained a large amount of theoretical results aspect the calculating of icing mechanism of transmission line, wire ice wind load.Aspect icing on-line monitoring and early warning technology, also developed some devices and be able to the hanging wire operation.But from domestic practical operation situation, also there are many deficiencies in existing apparatus, is far from reaching the degree of large-scale promotion application.
The utility model content
The purpose of this utility model is, provide a kind of can be practical, integrated on a large scale wire icing of transmission line and wave two kinds of functions in the on-line monitoring unit of one.
Wire icing of transmission line described in the utility model and wave the on-line monitoring unit and comprise camera, core processing unit, ZigBee wireless module, pulling force sensor unit, obliquity sensor unit, meteorological sensor unit and system power supply; Camera is used for the image information take monitored wire, and described image information is sent to core processing unit, and this core processing unit emissioning controling signal is to camera; System power supply is used to core processing unit, camera, ZigBee wireless module and sensor unit that working power is provided; The pulling force sensor unit is with the ZigBee wireless module, and described pulling force sensor unit is for detection of the pulling force of monitored wire, and by the ZigBee wireless module, the pulling force information that detects sent to core processing unit; The obliquity sensor unit is with the ZigBee wireless module, and described obliquity sensor unit is for detection of the inclination angle of monitored wire, and by the ZigBee wireless module, the obliquity information that detects sent to core processing unit; The meteorological sensor unit is with the ZigBee wireless module, and described meteorological sensor unit is for detection of the meteorologic parameter of monitored wire environment of living in, and by the ZigBee wireless module, the meteorologic parameter information that detects sent to core processing unit.
Described meteorological sensor can be one or more in temperature sensor, humidity sensor, air velocity transducer, wind transducer, rain sensor, baroceptor or intensity of sunshine sensor.
Described monitoring means can also comprise data access unit, and described core processing unit sends the storage data to data access unit.
Described monitoring means can also comprise clock unit, and described clock unit clock signal is to core processing unit.
Described monitoring means can also comprise device of solar generating, controller and accumulator, device of solar generating output electric power signal is to controller, controller is its charging with sending to accumulator after this electric power signal rectification, filtering, and it is its power supply that the dc signal that controller is also exported this accumulator sends to system power supply.
Described monitoring means can also comprise wind electricity generating system, controller and accumulator, wind electricity generating system output electric power signal is to controller, controller is its charging with sending to accumulator after this electric power signal rectification, filtering, and it is its power supply that the dc signal that controller is also exported this accumulator sends to system power supply.
Described monitoring means can also comprise remote communication module, and described core processing unit is realized remote data transmission by remote communication module.
Described remote communication module is GPRS communication module or cdma communication module.
In realizing the on-line monitoring process of transmission line of electricity, with on-line monitoring cellular installation described in the utility model on the thick stick tower, the icing of Real-Time Monitoring transmission line of electricity and wave situation, when the wire generation icing of transmission line of electricity and when waving, can be by multiple transmission mode, to Surveillance center, personnel provide decision-making foundation for operation maintenance with communication.
The icing that the utility model is realized and wave the on-line monitoring unit with an ARM single-chip microcomputer and embedded software as core processing unit, utilize the ZigBee wireless sensor network to come the Real-time Collection shaft tower data such as meteorology, wire tension, inclination angle on every side, the data that collect are arrived core processing unit by wireless network transmissions, by core processing unit according to icing and the mathematical model of waving come computing electric power line wire icing thickness, wave situation, and predict its development trend.In case report to the police, the on-line monitoring unit is transferred to Surveillance center with Monitoring Data and corresponding video image by modes such as network, GPRS, CDMA, the operation maintenance personnel can do quantitative test to wire icing of transmission line and the situation of waving according to Monitoring Data, simultaneously do qualitative analysis according to video image, thereby accurately judge transmission line of electricity wire icing and wave situation, and according to its development trend, make the operation maintenance decision-making.
Pass through the utility model, can provide a kind of can be practical on a large scale, monitor the wire icing of transmission line of electricity and wave the monitoring means of situation, the mode that the Monitoring Data that it adopts and video pictures information combine, can make the operation maintenance personnel accurately judge wire icing and wave situation, greatly reduce the human and material resources that artificial line walking brings, the loss of financial resources, improve the accuracy of decision-making.And utilize wireless senser to gather Monitoring Data, make monitoring means be easy to install in rugged surroundings, and stable, reliable.
Description of drawings
Fig. 1 is wire icing of transmission line described in the utility model and the circuit theory schematic diagram of waving the on-line monitoring unit.
Embodiment
Embodiment one, the described wire icing of transmission line of present embodiment and wave the on-line monitoring unit and comprise camera, core processing unit, ZigBee wireless module, pulling force sensor unit, obliquity sensor unit, meteorological sensor unit and system power supply; Camera is used for the image information take monitored wire, and described image information is sent to core processing unit, and this core processing unit emissioning controling signal is to camera; System power supply is used to core processing unit, camera, ZigBee wireless module and sensor unit that working power is provided; The pulling force sensor unit is with the ZigBee wireless module, and described pulling force sensor unit is for detection of the pulling force of monitored wire, and by the ZigBee wireless module, the pulling force information that detects sent to core processing unit; The obliquity sensor unit is with the ZigBee wireless module, and described obliquity sensor unit is for detection of the inclination angle of monitored wire, and by the ZigBee wireless module, the obliquity information that detects sent to core processing unit; The meteorological sensor unit is with the ZigBee wireless module, and described meteorological sensor unit is for detection of the meteorologic parameter of monitored wire environment of living in, and by the ZigBee wireless module, the meteorologic parameter information that detects sent to core processing unit.
In present embodiment, meteorological sensor can gather the weather information of monitored wire place environment, weather datas such as the temperature that can adopt environment, humidity, wind speed, wind direction, rainfall, air pressure, intensity of sunshine can provide basis for wire icing and the situation of waving.
Three sensor units in present embodiment are all with the ZigBee wireless module, be used for realizing Wireless Data Transmission, like this, can make sensor unit be fixed on best measuring position, and then obtain measurement data more accurately and reliably, and core processing unit is fixed on safe and reliable position, and even can be fixed on subaerial home, realize data transmission by wireless mode between both.
1) core processing unit in present embodiment can adopt existing mathematical tool, obtains wire icing thickness according to detecting the pulling force data that obtains, the perhaps variation tendency of ice covering thickness, for example: when pulling force becomes large, prove the ice covering thickness increase, otherwise ice covering thickness diminishes.
2) core processing unit in present embodiment, can also be according to the change frequency at pulling force data and inclination angle, obtain the situation of waving of monitored wire, for example: the frequency of waving that obtains wire according to the change frequency at inclination angle, obtain conductor galloping distance etc. according to the conductor length between two monitored shaft towers and inclination angle, these all can calculate acquisition by data tool.
Embodiment two, present embodiment and the described wire icing of transmission line of embodiment one and the difference of waving the on-line monitoring unit are, present embodiment has increased data access unit, and described core processing unit sends the storage data to data access unit.
The data access unit that present embodiment increases can be used for the storage Monitoring Data.
Embodiment three, present embodiment and the described wire icing of transmission line of embodiment one and the difference of waving the on-line monitoring unit be, present embodiment has increased clock unit, and described clock unit clock signal is to core processing unit.
The clock unit that present embodiment increases can provide temporal information, the data corresponding stored that these temporal informations and each sensor unit gather, can obtain with the various of the monitored cable of time correlation connection with wave relevant physical parameter, more be conducive to obtain the situation of waving of the wire of monitored transmission line of electricity.
Embodiment four, present embodiment and the described wire icing of transmission line of embodiment one and the difference of waving the on-line monitoring unit are, present embodiment has increased device of solar generating, controller and accumulator, device of solar generating output electric power signal is to controller, controller is its charging with sending to accumulator after this electric power signal rectification, filtering, and it is its power supply that the dc signal that controller is also exported this accumulator sends to system power supply.
Embodiment five, present embodiment and the described wire icing of transmission line of embodiment one and the difference of waving the on-line monitoring unit are, present embodiment has increased wind electricity generating system, controller and accumulator, wind electricity generating system output electric power signal is to controller, controller is its charging with sending to accumulator after this electric power signal rectification, filtering, and it is its power supply that the dc signal that controller is also exported this accumulator sends to system power supply.
Embodiment four and five described wire icing of transmission line and to wave the on-line monitoring unit be all to have increased Blast Furnace Top Gas Recovery Turbine Unit (TRT), because transmission line of electricity is all in lowered in field environment, and what carry is all high-tension electricity, if therefore obtain power supply signal from the hi-line of carrying, need to carry out multistage step-down processes, needed equipment is complicated, and described circuit also can loss part electric energy.Embodiment four and five is wind energy and the two kinds of energy of sun power that utilized field environment often to have, and just can obtain the needed low-voltage dc power supply of testing circuit by simple existing common circuit, thereby guarantee the work electricity consumption of online detection unit.
Embodiment six, present embodiment and the described wire icing of transmission line of embodiment one and the difference of waving the on-line monitoring unit are, present embodiment has increased remote communication module, and described core processing unit is realized remote data transmission by remote communication module.
Present embodiment has increased remote communication module, has realized the data transmission between core processing unit and remote monitoring center, the data that detect to obtain can be sent in real time the remote detection center, realizes the remote monitoring of transmission line of electricity.
Embodiment seven, present embodiment are to the described wire icing of transmission line of embodiment six and wave the further restriction of the remote communication module in the on-line monitoring unit, in present embodiment, described remote communication module is GPRS communication module or cdma communication module.
Wire icing of transmission line described in the utility model and to wave the on-line monitoring unit be not only the described concrete structures of the respective embodiments described above can also be the reasonable combination of the technical characterictic put down in writing of the respective embodiments described above.
Claims (8)
1. wire icing of transmission line and wave the on-line monitoring unit, is characterized in that, it comprises camera, core processing unit, ZigBee wireless module, pulling force sensor unit, obliquity sensor unit, meteorological sensor unit and system power supply; Camera is used for the image information take monitored wire, and described image information is sent to core processing unit, and this core processing unit emissioning controling signal is to camera; System power supply is used to core processing unit, camera, ZigBee wireless module and sensor unit that working power is provided; The pulling force sensor unit is with the ZigBee wireless module, and described pulling force sensor unit is for detection of the pulling force of monitored wire, and by the ZigBee wireless module, the pulling force information that detects sent to core processing unit; The obliquity sensor unit is with the ZigBee wireless module, and described obliquity sensor unit is for detection of the inclination angle of monitored wire, and by the ZigBee wireless module, the obliquity information that detects sent to core processing unit; The meteorological sensor unit is with the ZigBee wireless module, and described meteorological sensor unit is for detection of the meteorologic parameter of monitored wire environment of living in, and by the ZigBee wireless module, the meteorologic parameter information that detects sent to core processing unit.
2. wire icing of transmission line according to claim 1 and wave the on-line monitoring unit, it is characterized in that, described meteorological sensor is one or more in temperature sensor, humidity sensor, air velocity transducer, wind transducer, rain sensor, baroceptor or intensity of sunshine sensor.
3. wire icing of transmission line according to claim 1 and wave the on-line monitoring unit, is characterized in that, described monitoring means also comprises data access unit, and described core processing unit sends the storage data to data access unit.
4. wire icing of transmission line according to claim 1 and wave the on-line monitoring unit, is characterized in that, described monitoring means also comprises clock unit, and described clock unit clock signal is to core processing unit.
5. wire icing of transmission line according to claim 1 and wave the on-line monitoring unit, it is characterized in that, described monitoring means also comprises device of solar generating, controller and accumulator, device of solar generating output electric power signal is to controller, controller is its charging with sending to accumulator after this electric power signal rectification, filtering, and it is its power supply that the dc signal that controller is also exported this accumulator sends to system power supply.
6. wire icing of transmission line according to claim 1 and wave the on-line monitoring unit, it is characterized in that, described monitoring means also comprises wind electricity generating system, controller and accumulator, wind electricity generating system output electric power signal is to controller, controller is its charging with sending to accumulator after this electric power signal rectification, filtering, and it is its power supply that the dc signal that controller is also exported this accumulator sends to system power supply.
7. wire icing of transmission line according to claim 1 and wave the on-line monitoring unit, is characterized in that, described monitoring means also comprises remote communication module, and described core processing unit is realized remote data transmission by remote communication module.
8. wire icing of transmission line according to claim 7 and wave the on-line monitoring unit, is characterized in that, described remote communication module is GPRS communication module or cdma communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207001497U CN202928617U (en) | 2012-12-17 | 2012-12-17 | Transmission line conducting wire icing and galloping on-line monitoring unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012207001497U CN202928617U (en) | 2012-12-17 | 2012-12-17 | Transmission line conducting wire icing and galloping on-line monitoring unit |
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| CN202928617U true CN202928617U (en) | 2013-05-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729992A (en) * | 2013-12-16 | 2014-04-16 | 黑龙江瑞兴科技股份有限公司 | Zigbee-based thread tension wireless monitoring system |
| CN103778476B (en) * | 2013-07-03 | 2017-03-22 | 国家电网公司 | Method for monitoring and predicting galloping of a transmission line in real time based on video analysis |
| CN109444675A (en) * | 2018-12-31 | 2019-03-08 | 国家电网有限公司 | Transmission line malfunction monitors system |
| CN112242746A (en) * | 2020-09-24 | 2021-01-19 | 西安工程大学 | Online monitoring system and method for bundle conductor twisting based on tilt angle sensor |
| CN112461295A (en) * | 2020-11-23 | 2021-03-09 | 国网安徽省电力有限公司电力科学研究院 | 10kV distribution lines icing dancing state monitoring system |
-
2012
- 2012-12-17 CN CN2012207001497U patent/CN202928617U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778476B (en) * | 2013-07-03 | 2017-03-22 | 国家电网公司 | Method for monitoring and predicting galloping of a transmission line in real time based on video analysis |
| CN103729992A (en) * | 2013-12-16 | 2014-04-16 | 黑龙江瑞兴科技股份有限公司 | Zigbee-based thread tension wireless monitoring system |
| CN109444675A (en) * | 2018-12-31 | 2019-03-08 | 国家电网有限公司 | Transmission line malfunction monitors system |
| CN112242746A (en) * | 2020-09-24 | 2021-01-19 | 西安工程大学 | Online monitoring system and method for bundle conductor twisting based on tilt angle sensor |
| CN112461295A (en) * | 2020-11-23 | 2021-03-09 | 国网安徽省电力有限公司电力科学研究院 | 10kV distribution lines icing dancing state monitoring system |
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Granted publication date: 20130508 Termination date: 20131217 |