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 PDFInfo
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- 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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- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000004891 communication Methods 0.000 claims description 18
- 238000012937 correction Methods 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000012805 post-processing Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 238000011105 stabilization Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring 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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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
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.
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Cited By (6)
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 |
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 |
CN111220110B (en) * | 2019-11-01 | 2021-11-12 | 浙江运达风电股份有限公司 | Tower top low-frequency vibration horizontal displacement monitoring method |
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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 |
CN114088092B (en) * | 2021-11-08 | 2023-12-15 | 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 |
CN114838699B (en) * | 2022-04-21 | 2024-02-13 | 广东电网有限责任公司 | Deformation monitoring method, device and equipment of power transmission tower and storage medium |
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