CN104501769B - Transmission line tower/pole displacement state detection method and apparatus - Google Patents
Transmission line tower/pole displacement state detection method and apparatus Download PDFInfo
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- CN104501769B CN104501769B CN201410770282.3A CN201410770282A CN104501769B CN 104501769 B CN104501769 B CN 104501769B CN 201410770282 A CN201410770282 A CN 201410770282A CN 104501769 B CN104501769 B CN 104501769B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention relates to a transmission line tower/pole state detection method and apparatus, and in particular to a method and an apparatus for measuring offset of a transmission line tower/pole, belonging to the technical field of power transmission equipment state detection. The transmission line tower/pole displacement state detection method is characterized by comprising the following steps: measuring data by virtue of distance measuring equipment, calculating latitude, longitude and altitude, and calculating offset. The apparatus is simple in structure, is smart and light, and is applicable to long-distance test so as to bring convenience for outdoor work; the apparatus is convenient to operate, and is capable of directly displaying a result without calculation.
Description
Technical field
The present invention relates to a kind of ultra-high-tension power transmission line condition detection method and its device, the particularly position of electric power line pole tower
Shift measurement, belongs to transmission facility state inspection field.
Background technology
At present, ultra-high-tension power transmission line adopts long distance powedr transmission, its circuit and with a varied topography and changeable, and ultra-high-tension power transmission line is used
Stringing shaft tower is due to being affected by natural conditions and various geological disaster, it may occur that multiple accident, to cause shaft tower inclination, shaft tower
Mobile, shaft tower can be caused when serious to wreck and collapse accident.These accidents, once occurring, certainly will cause electric power looped network major accident
Generation, bring heavy economic lossess to country.Therefore, how to judge whether run-off the straight or movement have emphatically electric force pole tower
Big meaning and necessity.
The area sent out in the sliding wave frequency of western part of China, particularly earthquake or massif, often causes the inclination of overhead line structures
And skew, the therefore monitoring to transmission overhead line shaft tower and patrol and examine and seem most important.The various skills adopting both at home and abroad at present
Art such as laser, far infrared or bi-axial tilt angular transducer only realize the measurement to shaft tower angle of inclination it is impossible to exist to shaft tower
In horizontal or vertical direction, skew measures.But slide, in earthquake, massif, the western mountainous areas that wave frequency is sent out, pole deviation is more
It is embodied in both horizontally and vertically.Therefore, the skew how fast and effectively measuring shaft tower includes inclination angle and horizontal vertical position
Shifting amount is significant to power grid security.
" pole tower displacement monitoring system and its monitoring method " [application number 201110385380.1] propose using in shaft tower and
Displacement transducer, the relative shift of monitor in real time shaft tower and basement rock are respectively mounted on basement rock.Although this method has certain
Effect, but still monitor this situation simultaneously moved less than shaft tower and basement rock；And the huge cost of system is high, outdoor severe
Its stability of environmental effect, these factors all limit it and further promote.
Content of the invention
The purpose of the present invention is the problems referred to above overcoming in the presence of prior art, through substantial amounts of test with explore, carries
Go out a kind of convenience, reliable, stable electric power line pole tower displacement measuring method and its device, be the line walking of high-tension line shaft tower
Work is provided convenience.
The present invention solves above-mentioned technical problem and be the technical scheme is that this electric power line pole tower displacement state detection side
Method is it is characterised in that comprise the following steps:
1) step of parameter measurement, measures a and b respectively by range unit, and a is the position of target shaft tower, and b is tester
Position, measurement data includes lonb, latb, higb value of b, and inc is the inclination angle that range unit measures a point, and vd is vertical
Distance, hd is horizontal range, and az is ab line and the clockwise angle of magnetic north extreme direction, a be a-b between weft direction away from
From b is the distance between a-b in warp direction；
2) step calculating latitude lata, works as az>270 or az<90 degree, a=hd*cos (az)>0, when 270>az>90 degree,
a=hd*cos(az)<0；
On the Northern Hemisphere, lata=latb+f (a)=latb+f (hd*cos (az)) formula (1.1)
In the Southern Hemisphere, lata=latb+f (a)=latb-f (hd*cos (az)) formula (1.2)
Wherein f (x) is the ratio equation of latitude and distance, i.e. f (x)=x/111, and x unit is km, and f (x) unit is degree；
3) step calculating longitude lona,
hd=arccos[sin(lata) * sin(latb) + cos(lata) * cos(latb) * cos(lonb-
Lona)] * r formula (2)
Wherein, r is earth radius 6371km, and hd is a-b level away from unit is km；Other Parameter units are radians.
According to the lata in known quantity and step 2, lona can be calculated；
4) calculate height above sea level higa step, as inc>0 when, higa=higb+vd, when inc<when 0, higa=higb-vd；
5) step calculating side-play amount, recalls the original geography information of this shaft tower and makes comparisons, latitude and longitude value twice
Substitute into formula (2) and just can calculate target shaft tower side-play amount in the horizontal direction, difference above sea level twice is this target stem
Tower side-play amount in vertical direction.
Preferably, described range unit is laser ranging system.
A kind of electric power line pole tower displacement state detection means based on claim 1 or 2 detection methods, is characterized in that,
Including laser ranging system, hand-held set and gps position finder, described laser ranging system, hand-held set and gps position finder are respectively
Radio connection.
Preferably, described hand-held set include being electrically connected to each other data reception module, data memory module, display mould
Block, input module and central processing module.
Preferably, described input module is touch input module, described radio connection is bluetooth connection.
Preferably, prepackage Android system in described hand-held set.
The invention has the beneficial effects as follows: 1, using the gps precision positioning instrument with antenna, location positioning is accurate for the present invention；2、
Method using laser ranging, it is possible to achieve telemeasurement, is that shaft tower on Complex Mountain is patrolled and examined and brought facility, greatly
Alleviate the workload of track walker；3rd, laser ranging system and gps position finder are all docked using bluetooth and hand-held set, test number
It is uploaded to hand-held set according to by bluetooth, hand-held set pre-installs Android system, in system, service data processes software, this software
Shaft tower ranging information and tester gps position can be directly translated into the side-play amount of shaft tower, system operatio by mathematical modeling
Simply, intuitive and convenient.
Brief description
Fig. 1 is the schematic diagram of embodiment of the present invention detection method.
Fig. 2 is mapping on earth longitude and latitude for the Fig. 1.
Fig. 3 is the structural representation of detection means in the embodiment of the present invention.
Label declaration: laser ranging system 1, hand-held set 2, data reception module 21, data memory module 22, display module
23rd, input module 24, central processing module 25, gps position finder 3, antenna 31, bluetooth 4.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment one: referring to Fig. 1,2, the electric power line pole tower displacement state detection method of the present embodiment, walk including following
Rapid:
1) first-selection passes through range unit measurement data a(lona, lata, higa) it is target shaft tower, b(lonb, latb,
Higb) tester position, inc is the inclination angle that laser ranging system measures a point, and vd is vertical dimension, and hd is horizontal range, az
It is ab line and the clockwise angle of magnetic north extreme direction, referred to as azimuth.Fig. 2 is mapping on earth longitude and latitude for the Fig. 1, because
This, a of in figure is the distance in weft direction between a-b, and b is the distance between a-b in warp direction.
2) step calculating latitude lata, because every warp is all through the centre of sphere, and be all etc. radius circle, therefore appoint
On meaning bar warp, the corresponding arc length of each degree latitude is equal, and every 1 degree is 111km, therefore only it is to be understood that test target reflects
Penetrate the length on warp and just can be converted to latitude value.
Work as az>270 or az<90 degree (Northern Hemisphere), the high latitude direction in tester for the target shaft tower, a=hd*cos are described
(az)>0；
When 270>az>90 degree (Northern Hemisphere), the low latitudes direction in tester for the target shaft tower is described, a=hd*cos (az)<
0；
So, lata=latb+f (a)=latb+f (hd*cos (az)) formula (1.1), wherein f (x) be latitude and
The ratio equation of distance.
And work as az>270 or az<90 degree (Southern Hemisphere), the low latitudes direction in tester for the target shaft tower is described, a=hd*cos
(az)>0；
When 270>az>90 degree (Southern Hemisphere), the high latitude direction in tester for the target shaft tower is described, a=hd*cos (az)<
0；
So, the formula in the Southern Hemisphere: lata=latb+f (a)=latb-f (hd*cos (az)) can be released in the same manner
Formula (1.2), wherein f (x) is the ratio equation of latitude and distance.
3) step calculating longitude lona, due on every parallel, the corresponding arc length distance of the identical number of degrees is unequal,
So longitude calculates can not carry out in a manner mentioned above.Through reasoning repeatedly and checking, 2 points of horizontal range and longitude and latitude
The relation of degree is as follows:
hd=arccos[sin(lata) * sin(latb) + cos(lata) * cos(latb) * cos(lonb-
Lona)] * r formula (2)
Wherein, r is earth radius 6371km, and hd is a-b level away from unit is km；Other Parameter units are radians.Root
According to the lata in known quantity and step 2, lona can be calculated；
4) calculate height above sea level higa step, by Fig. 2 (a) can be fairly simple calculate parameter above sea level.
As inc > 0 when, higa=higb+vd；
When inc < when 0, higa=higb-vd；
5) step calculating side-play amount, the longitude and latitude of target shaft tower and value above sea level have all calculated, and system is again this bar
The original geography information of tower recalls makes comparisons, and latitude and longitude value twice substitutes into formula (2) and just can calculate target shaft tower in water
Side-play amount square upwards, difference above sea level twice is this target shaft tower side-play amount in vertical direction.
Taking the side-play amount on calculated level direction as a example: if the original latitude and longitude information of shaft tower be (109.99309,
39.81625), after line attendant's inspection, the latitude and longitude information of record is (109.99456,39.81595), then by formula (2)
Can show that horizontal displacement is 0.14 km.
Embodiment two: referring to Fig. 1, a kind of electric power line pole tower displacement state detection means based on embodiment one, including
Laser ranging system 1, hand-held set 2 and gps position finder 3, laser ranging system 1, hand-held set 2 and gps position finder 3 are respectively bluetooth
4 connected modes, prepackage Android system in hand-held set 2.
Data reception module 21 that hand-held set 2 in the present embodiment includes being electrically connected to each other, data memory module 22, display
Module 23, input module 24 and central processing module 25, wherein input module 24 are touch input module 24.
Detection method based on embodiment two during actually used, first laser ranging system 1 obtain destination object (line
Line pole tower) data message (include horizontal range, vertical dimension, azimuth), hand-held set 2 is transferred to by bluetooth 4；Band antenna
The geographical location information (longitude, latitude, elevation) of 31 accurate 3 testers of gps position finder uploads to hand-held set 2；Hand-held set 2
Upper prepackage Android system, on Android system, service data processes software, and this software combines shaft tower ranging information and test
Person's geographical location information (longitude, latitude, elevation), changes into the geographical location information of shaft tower after being input to mathematical model, hand-held
Machine 2 recalls the original geography information of shaft tower and the contrast of current test result again, then the information conversion longitude and latitude twice
Become offset distance.Meanwhile, the result in scheme shows and is used to show measurement result and operation indicating；Data storage is to deposit
Storage measurement result, so that the contrast of historical data；Touch input provides user to be more convenient, efficiently mode of operation.
, using the gps precision positioning instrument with antenna 31, location positioning is accurate for the embodiment of the present invention；Side using laser ranging
Method, it is possible to achieve telemeasurement, is that shaft tower on Complex Mountain is patrolled and examined and brought facility, greatly alleviates track walker's
Workload.
The embodiment of the present invention is all docked using bluetooth 4 and hand-held set 2 using laser ranging system 1 and gps position finder 3, surveys
Examination data is uploaded to hand-held set 2 by bluetooth 4, and hand-held set 2 pre-installs Android system, and in system, service data processes software,
This software can be directly translated into shaft tower ranging information and tester gps position the skew of shaft tower by building mathematical model
Amount, system operatio is simple, intuitive and convenient.
When target shaft tower side-play amount calculates, first with the level of laser measurement target shaft tower away from being mapped to through on parallel, knot
Close azimuth information and calculate difference of latitude；Further according to the known longitude of tester, latitude value, and point-to-point transmission horizontal range and two
Longitude, the relation of latitude are the longitude that formula (2) calculates target shaft tower to point respectively；Vertical dimension meter finally according to target shaft tower
Calculate elevation.After obtaining the longitude of target shaft tower, latitude and elevation, then contrast the data of lasting of shaft tower, finally further according to formula
(2) calculate horizontal offset, difference above sea level is vertical offset twice.
Above content described in this specification is only to present configuration example explanation.Belonging to the present invention
Those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitutes, the structure without departing from the present invention or surmount scope defined in the claims, all should belong to this
Bright protection domain.
Claims (5)
1. a kind of electric power line pole tower displacement state detection method is it is characterised in that comprise the following steps:
1) step of parameter measurement, measures a and b respectively by range unit, and a is the position of target shaft tower, and b is the position of tester
Put, measurement data includes lonb, latb, higb value of b, inc is the inclination angle that range unit measures a point, and vd is vertical dimension,
Hd is horizontal range, and az is ab line and the clockwise angle of magnetic north extreme direction, and a is the distance between a-b in weft direction, b
It is the distance in warp direction between a-b；
2) step calculating latitude lata, works as az>270 or az<90 degree, a=hd*cos (az)>0, when 270>az>90 degree, a=
hd*cos(az)<0；
On the Northern Hemisphere, lata=latb+f (a)=latb+f (hd*cos (az)) formula (1.1)
In the Southern Hemisphere, lata=latb+f (a)=latb-f (hd*cos (az)) formula (1.2)
Wherein f (x) is the ratio equation of latitude and distance, i.e. f (x)=x/111, and x unit is km, and f (x) unit is degree；
3) step calculating longitude lona,
hd=arccos[sin(lata) * sin(latb) + cos(lata) * cos(latb) * cos(lonb-
Lona)] * r formula (2)
Wherein, r is earth radius 6371km, and hd is a-b level away from unit is km；Other Parameter units are radian；
According to the lata in known quantity and step 2, lona can be calculated；
4) calculate height above sea level higa step, as inc>0 when, higa=higb+vd, when inc<when 0, higa=higb-vd；
5) step calculating side-play amount, recalls the original geography information of this shaft tower and makes comparisons, and latitude and longitude value twice substitutes into
Formula (2) just can calculate target shaft tower side-play amount in the horizontal direction, and difference above sea level twice is this target shaft tower and exists
Side-play amount in vertical direction；
Described range unit is laser ranging system.
2. a kind of electric power line pole tower displacement state detection means based on claim 1 detection method it is characterised in that: include
Laser ranging system, hand-held set and gps position finder, described laser ranging system, hand-held set and gps position finder are respectively wireless
Connected mode.
3. electric power line pole tower displacement state detection means according to claim 2 it is characterised in that: described hand-held set
Including the data reception module being electrically connected to each other, data memory module, display module, input module and central processing module.
4. electric power line pole tower displacement state detection means according to claim 3 it is characterised in that: described input mould
Block is touch input module, and described radio connection is bluetooth connection.
5. electric power line pole tower displacement state detection means according to claim 2 it is characterised in that: described hand-held set
Interior prepackage Android system.
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| CN201410770282.3A CN104501769B (en) | 2014-12-15 | 2014-12-15 | Transmission line tower/pole displacement state detection method and apparatus |
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| CN201410770282.3A CN104501769B (en) | 2014-12-15 | 2014-12-15 | Transmission line tower/pole displacement state detection method and apparatus |
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| CN104501769B true CN104501769B (en) | 2017-01-25 |
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| CN107860317B (en) * | 2017-11-03 | 2020-10-27 | 长沙理工大学 | Method for detecting displacement or vibration amplitude of structure based on displacement of laser spot |
| CN110887447A (en) * | 2019-11-16 | 2020-03-17 | 浙江维思无线网络技术有限公司 | Tower deformation detection sensor and detection method thereof |
| CN113691944B (en) * | 2021-08-24 | 2024-04-09 | 苏州星空位智科技有限公司 | Method for positioning object by using Beidou RTK and Bluetooth beacon |
| CN113758465A (en) * | 2021-11-08 | 2021-12-07 | 通号通信信息集团有限公司 | Iron tower state detection method and system |
| CN114379778B (en) * | 2021-12-31 | 2023-01-13 | 国网湖北省电力有限公司超高压公司 | System and method for detecting offset distance of tower top of electric power tower by using unmanned aerial vehicle |
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| JP3581006B2 (en) * | 1997-03-31 | 2004-10-27 | 富士写真光機株式会社 | Distance measuring device and adjustment method thereof |
| GB2415501A (en) * | 2004-06-21 | 2005-12-28 | Nanjing Chervon Ind Co Ltd | A distance measuring detector which determines the distance between a surface of an object to an indicating laser beam |
| CN1963390A (en) * | 2005-11-08 | 2007-05-16 | 李啸炜 | A precision and high efficiency three-dimensional measuring method |
| CN201155968Y (en) * | 2008-02-28 | 2008-11-26 | 中国农业大学 | Three-dimensional topographic survey device based on GPS and laser technique |
| CN102620710B (en) * | 2012-04-18 | 2014-01-22 | 赵广超 | Method and system for measuring and calculating data |
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