CN108645371A - A kind of monitoring system of power distribution network shaft tower deformation - Google Patents

A kind of monitoring system of power distribution network shaft tower deformation Download PDF

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Publication number
CN108645371A
CN108645371A CN201810564702.0A CN201810564702A CN108645371A CN 108645371 A CN108645371 A CN 108645371A CN 201810564702 A CN201810564702 A CN 201810564702A CN 108645371 A CN108645371 A CN 108645371A
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CN
China
Prior art keywords
distribution network
power distribution
shaft tower
monitoring
station
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Pending
Application number
CN201810564702.0A
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Chinese (zh)
Inventor
罗啸宇
聂铭
谢文平
肖凯
雷旭
姚博
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Electric Power Research Institute of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Electric Power Research Institute of Guangdong Power Grid Co Ltd filed Critical Electric Power Research Institute of Guangdong Power Grid Co Ltd
Priority to CN201810564702.0A priority Critical patent/CN108645371A/en
Publication of CN108645371A publication Critical patent/CN108645371A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses a kind of monitoring systems of power distribution network shaft tower deformation, measure the wind speed at shaft tower in real time by anemobiagraph, the resolving frequency of the Satellite Observations of GNSS receiver is controlled according to wind speed size in data acquisition controller, realize the resolving frequency that Satellite Observations are improved when wind speed is larger, and the resolving frequency of Satellite Observations is reduced when wind speed is relatively low, the waste for avoiding resource meets the requirement for becoming monitoring frequency in different wind speed size lower beam turriforms.

Description

A kind of monitoring system of power distribution network shaft tower deformation
Technical field
The present invention relates to electric network composition monitoring field more particularly to a kind of monitoring systems of power distribution network shaft tower deformation.
Background technology
The function of power distribution network is to provide electric power energy for all types of user, and the security reliability of power distribution network is concerning national economy. However since power distribution network has more voltage class, the complicated network structure, the spy that operation is multi-point and wide-ranging, security context is relatively poor Point, power distribution network face the whole deformation of many safety problems, especially power distribution network shaft tower as seen repeatly not the problems such as tilting, settle It is fresh, it is even more that the accidents such as bar, disconnected bar can occur down in the natural calamities such as typhoon, has seriously affected power network safety operation.
There is shortcomings, the shaft tower deformation prisons based on GNSS technologies common at present for traditional deformation monitoring method It surveys, measurement method is unrelated with wind load (the wind speed size) suffered by shaft tower, cannot meet in different wind speed size lower beam turriforms Become the requirement of monitoring frequency.
Invention content
The present invention provides a kind of monitoring system of power distribution network shaft tower deformation, meet in different wind speed size lower beam turriforms Become the requirement of monitoring frequency.
The present invention provides a kind of monitoring systems of power distribution network shaft tower deformation, including:
Reference station, monitoring station and remote monitoring center;
Reference station and monitoring station are made of GNSS antenna, GNSS receiver and communication unit respectively, for receiving GNSS letters Number, and base band is carried out to GNSS signal and resolves to obtain Satellite Observations, Satellite Observations are being converted into binary data Afterwards, remote monitoring center is sent to by the first communication unit;
Monitoring station further includes anemobiagraph and data acquisition controller, and anemobiagraph is used to measure the wind speed at shaft tower, and data are adopted Collect the wind speed that controller is used to obtain according to anemobiagraph measurement to control the resolving frequency of the Satellite Observations of GNSS receiver;
Remote monitoring center includes the second communication unit and server, and remote monitoring center is used for according to the reference received The Satellite Observations stood calculate the first system Correction of Errors number of reference station, then are changed by reference to the first system error at station Positive number corrects the second system Correction of Errors number of monitoring station, to be seen to the satellite of monitoring station according to second system Correction of Errors number Measured data is modified, and obtains the deformation data of the power distribution network shaft tower of monitoring station.
Optionally, data acquisition controller is specifically used for judging whether the wind speed that anemobiagraph measurement obtains is higher than default threshold Value, if so, control GNSS receiver uses real-time resolving pattern, if it is not, then controlling GNSS receiver using offline post-processing Resolving pattern.
Optionally, remote monitoring center further includes storage device, and storage device is for storing air speed data and power distribution network bar The deformation data of tower.
Optionally, remote monitoring center further includes display, and display is used to show air speed data and power distribution network shaft tower Deformation data.
Optionally, the deformation data of power distribution network shaft tower include three-dimensional coordinate information, power distribution network point of pole horizontal direction The vertical direction displacement of displacement and power distribution network point of pole.
Optionally, reference station and monitoring station further include power supply, and power supply connects with GNSS receiver and the first communication unit respectively It connects, the power supply of monitoring station is also connect with anemobiagraph and data acquisition controller.
Optionally, it is connected by RF cable between GNSS antenna and GNSS receiver.
Optionally, Satellite Observations include:Navigation message, pseudo range observed quantity and the carrier phase observed quantity of satellite.
As can be seen from the above technical solutions, the present invention has the following advantages:
The present invention provides a kind of monitoring systems of power distribution network shaft tower deformation, including:Reference station, monitoring station and long-range monitoring Center;Reference station and monitoring station are made of GNSS antenna, GNSS receiver and communication unit respectively, for receiving GNSS signal, And base band is carried out to GNSS signal and resolves to obtain Satellite Observations, after Satellite Observations are converted to binary data, It is sent to remote monitoring center by the first communication unit;Monitoring station further includes anemobiagraph and data acquisition controller, anemobiagraph For measuring the wind speed at shaft tower, the wind speed that data acquisition controller is used to be obtained according to anemobiagraph measurement receives to control GNSS The resolving frequency of the Satellite Observations of machine;Remote monitoring center includes antenna, the second communication unit and server, long-range monitoring Center is used to calculate the first system Correction of Errors number of reference station according to the Satellite Observations of the reference station received, then leads to The first system Correction of Errors number for crossing reference station corrects the second system Correction of Errors number of monitoring station, to be missed according to second system Poor correction is modified the Satellite Observations of monitoring station, obtains the deformation data of the power distribution network shaft tower of monitoring station.
In the present invention, the wind speed at shaft tower is measured in real time by anemobiagraph, it is big according to wind speed in data acquisition controller It is small to control the resolving frequency of the Satellite Observations of GNSS receiver, it realizes and improves Satellite Observations when wind speed is larger Frequency is resolved, and reduces the resolving frequency of Satellite Observations when wind speed is relatively low, the waste of resource is avoided, meets in difference Wind speed size lower beam turriform becomes the requirement of monitoring frequency.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the monitoring system of power distribution network shaft tower deformation provided by the invention;
Fig. 2 is the schematic view of the mounting position of monitoring station;
Wherein, reference numeral is:
1, monitoring station;2, reference station;3, remote monitoring center;11/21, GNSS antenna;12/22, GNSS receiver;13/ 23, the first communication unit;14/24, power supply;15, anemobiagraph;16, data acquisition controller;31, the second communication unit;32, it takes Business device;33, storage device;34, display.
Specific implementation mode
An embodiment of the present invention provides a kind of monitoring systems of power distribution network shaft tower deformation, meet under different wind speed sizes The requirement of shaft tower deformation monitoring frequency.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention Range.
Referring to Fig. 1, the present invention provides a kind of one embodiment of the monitoring system of power distribution network shaft tower deformation, including:
Reference station 2, monitoring station 1 and remote monitoring center 3;
Reference station 2 and monitoring station 1 are respectively by GNSS antenna (21/11), GNSS receiver (22/12) and communication unit (23/ 13) it forms, for receiving GNSS signal, and base band is carried out to GNSS signal and resolves to obtain Satellite Observations, seen by satellite After measured data is converted to binary data, remote monitoring center 3 is sent to by the first communication unit (13/23);
Monitoring station 1 further includes anemobiagraph 15 and data acquisition controller 16, and anemobiagraph 15 is used to measure the wind speed at shaft tower, Data acquisition controller 16 is used to measure obtained wind speed according to anemobiagraph 15 and is seen to control the satellite of GNSS receiver (22/12) The resolving frequency of measured data;
Remote monitoring center 3 includes the second communication unit 31 and server 32, and remote monitoring center 3 is used for basis and receives The Satellite Observations of reference station 2 calculate the first system Correction of Errors number of reference station 2, then by reference to the first of station 2 System error correction number corrects the second system Correction of Errors number of monitoring station 1, thus according to second system Correction of Errors number to prison The Satellite Observations at control station 1 are modified, and obtain the deformation data of the power distribution network shaft tower of monitoring station 1;
It should be noted that the monitoring system of power distribution network shaft tower deformation provided by the invention be applicable to the Big Dipper, GPS, The Global Navigation Satellite System such as GLONASS, Galileo;
As shown in Fig. 2, monitoring station 1 is mountable to the arbitrary power distribution network shaft tower top in 30 kilometer ranges with reference station 2 End, reference station 2 is mounted on basic solid and visual field inner height angle is more than 10 ° of position, 2 top of reference station do not block and Base stabilization.
In the embodiment of the present invention, the wind speed at shaft tower is measured in real time by anemobiagraph 15, in data acquisition controller 16 The resolving frequency of the Satellite Observations of GNSS receiver (22/12) is controlled according to wind speed size, is realized when wind speed is larger The resolving frequency of Satellite Observations is improved, and reduces the resolving frequency of Satellite Observations when wind speed is relatively low, avoids resource Waste, meet different wind speed size lower beam turriforms become monitoring frequency requirement.
Further, data acquisition controller 16 is specifically used for judging that whether anemobiagraph 15 measures obtained wind speed higher than pre- If threshold value, if so, control GNSS receiver (22/12) uses real-time resolving pattern, if it is not, then controlling GNSS receiver (22/ 12) using offline post-processing resolving pattern;
It should be noted that when GNSS receiver (22/12) uses real-time resolving pattern, you can with the frequency of 1Hz or more Satellite Observations are resolved, when GNSS receiver (22/12) is using offline post-processing resolving pattern, you can with per hour Primary or frequency once a day resolves Satellite Observations.
Further, remote monitoring center 3 further includes storage device 33, and storage device 33 is for storing air speed data and matching The deformation data of power grid shaft tower.
Further, remote monitoring center 3 further includes display 34, and display 34 is for showing air speed data and power distribution network The deformation data of shaft tower.
Further, the deformation data of power distribution network shaft tower include three-dimensional coordinate information, power distribution network point of pole level side To the vertical direction displacement of displacement and power distribution network point of pole.
Further, reference station 2 and monitoring station 1 further include power supply (14/24), and power supply (14/24) is received with GNSS respectively Machine (22/12) and the first communication unit connect (13/23) and connect, the power supply 14 of monitoring station 1 also with anemobiagraph 15 and data acquisition control Device 16 connects.
Further, it is connect by RF cable between GNSS antenna (21/11) and GNSS receiver (22/12).
Further, Satellite Observations include:Navigation message, pseudo range observed quantity and the carrier phase observed quantity of satellite.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention Portion or part steps.And storage medium above-mentioned includes:USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to before Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that:It still can be to preceding The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features;And these Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.

Claims (8)

1. a kind of monitoring system of power distribution network shaft tower deformation, which is characterized in that including:
Reference station, monitoring station and remote monitoring center;
Reference station and monitoring station are made of GNSS antenna, GNSS receiver and communication unit respectively, for receiving GNSS signal, and Base band is carried out to GNSS signal to resolve to obtain Satellite Observations, after Satellite Observations are converted to binary data, is led to It crosses the first communication unit and is sent to remote monitoring center;
Monitoring station further includes anemobiagraph and data acquisition controller, and anemobiagraph is used to measure the wind speed at shaft tower, data acquisition control Device processed is used for the wind speed that is obtained according to anemobiagraph measurement to control the resolving frequency of the Satellite Observations of GNSS receiver;
Remote monitoring center includes the second communication unit and server, and remote monitoring center is used for according to the reference station received Satellite Observations calculate the first system Correction of Errors number of reference station, then the first system Correction of Errors number by reference to station The second system Correction of Errors number of monitoring station is corrected, thus according to second system Correction of Errors number to the moonscope number of monitoring station According to being modified, the deformation data of the power distribution network shaft tower of monitoring station is obtained.
2. the monitoring system of power distribution network shaft tower deformation according to claim 1, which is characterized in that data acquisition controller has Body is used to judge whether the wind speed that anemobiagraph measurement obtains to be higher than predetermined threshold value, if so, control GNSS receiver is using real-time Resolving pattern, if it is not, then controlling GNSS receiver using offline post-processing resolving pattern.
3. the monitoring system of power distribution network shaft tower deformation according to claim 1, which is characterized in that remote monitoring center is also wrapped Storage device is included, storage device is used to store the deformation data of air speed data and power distribution network shaft tower.
4. the monitoring system of power distribution network shaft tower deformation according to claim 1, which is characterized in that remote monitoring center is also wrapped Display is included, display is used to show the deformation data of air speed data and power distribution network shaft tower.
5. the monitoring system of power distribution network shaft tower deformation according to claim 1, which is characterized in that the deformation of power distribution network shaft tower Data include three-dimensional coordinate information, the horizontal direction displacement of power distribution network point of pole and power distribution network point of pole vertical direction position It moves.
6. the monitoring system of power distribution network shaft tower deformation according to claim 1, which is characterized in that reference station and monitoring station are also Including power supply, power supply is connect with GNSS receiver and communication unit respectively, and the power supply of monitoring station is also acquired with anemobiagraph and data Controller connects.
7. the monitoring system of power distribution network shaft tower deformation according to claim 1, which is characterized in that GNSS antenna connects with GNSS It is connected by RF cable between receipts machine.
8. the monitoring system of power distribution network shaft tower deformation according to claim 1, which is characterized in that Satellite Observations packet It includes:Navigation message, pseudo range observed quantity and the carrier phase observed quantity of satellite.
CN201810564702.0A 2018-06-04 2018-06-04 A kind of monitoring system of power distribution network shaft tower deformation Pending CN108645371A (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN110285784A (en) * 2019-07-10 2019-09-27 广东星舆科技有限公司 A kind of monitoring method and monitoring system of iron tower deformation
CN111220110A (en) * 2019-11-01 2020-06-02 浙江运达风电股份有限公司 Tower top low-frequency vibration horizontal displacement monitoring method
CN112381944A (en) * 2020-11-18 2021-02-19 同济大学 Point cloud data-based 4D observation method for transmission line tower deformation
CN113516160A (en) * 2021-04-15 2021-10-19 国网上海市电力公司 Transmission tower attitude prediction method and system based on support vector machine
CN114088092A (en) * 2021-11-08 2022-02-25 广州吉欧电子科技有限公司 Tower inclination monitoring equipment and method based on double GNSS antennas and MEMS
CN114838699A (en) * 2022-04-21 2022-08-02 广东电网有限责任公司 Deformation monitoring method, device and equipment for power transmission tower and storage medium

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CN110285784A (en) * 2019-07-10 2019-09-27 广东星舆科技有限公司 A kind of monitoring method and monitoring system of iron tower deformation
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