CN105953762B - A kind of transmission line of electricity modeling method measured for clearance and range unit - Google Patents
A kind of transmission line of electricity modeling method measured for clearance and range unit Download PDFInfo
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- CN105953762B CN105953762B CN201610531663.5A CN201610531663A CN105953762B CN 105953762 B CN105953762 B CN 105953762B CN 201610531663 A CN201610531663 A CN 201610531663A CN 105953762 B CN105953762 B CN 105953762B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005611 electricity Effects 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 abstract description 6
- 238000004891 communication Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000013178 mathematical model Methods 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
- 238000004088 simulation Methods 0.000 description 1
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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
- G01B21/02—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 length, width, or thickness
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Abstract
The invention discloses a kind of transmission line of electricity modeling methods and range unit, modeling method measured for clearance to include the following steps：1) range unit below suspension string is installed, determines endpoint O, in conducting wire to be measured junior range device installed above, mobile determining two terminal As and B is carried out, measures line segment OA length L1, line segment OB length L2, line segment OA angles with horizontal plane θ respectively1, line segment OB angles with horizontal plane θ2；2) it establishes using point O as the plane right-angle coordinate of coordinate origin, the coordinate of the coordinate of point A, point B is substituted into the parabola model formula y=x of conducting wire to be measured2+ mx+n obtains parameter m, n；3) parameter m, n of location information and parabola model is formed a data frame, by being wirelessly transmitted to remote server by, junior range device acquisition conducting wire position to be measured information.This method simplifies modeling process, and working efficiency is high, operating risk is small.
Description
Technical field
The present invention relates to a kind of overhead transmission line modeling method more particularly to a kind of transmission line simulation curve arc sags point
Cloth, to measure under line cross over object clearance method.
Background technology
Transmission line of electricity has the clearance of lower section scissors crossing object a critical data requirement, on line difference arc sag it is different,
It is also different to lower section scissors crossing object clearance.Existing measuring method is with calculating or high-altitude after total powerstation ranging, angle measurement
Operating personnel's cabling is measured using volume, hundred meters of ropes, weight.Using total station survey, the measurement levels of precision of clearance takes
Certainly in setting measurement accuracy of the website to scissors crossing point horizontal distance, but scissors crossing point is difficult to be accurately positioned；High-altitude personnel survey
Amount, operating risk is big, and is influenced by weather condition.Existing transmission line of electricity clearance wireless measurement method needs to establish defeated
The catenary model equation of electric line, such algorithm is complicated, only as theoretical model, is seldom modeled in practical application with this
Method, practicability be not strong.
Invention content
The object of the present invention is to provide a kind of transmission line of electricity modeling method measured for clearance and range unit, moulds
Intend the parabola model of conducting wire, accurately to calculate any place's conducting wire and the clearance across object.
To achieve the above object, the present invention uses following technical proposals：
A kind of transmission line of electricity modeling method measured for clearance, includes the following steps：
1) a, range unit installed above in the two adjacent tower bars for connecting conducting wire to be measured, as measurement distance
Endpoint O, in conducting wire to be measured junior range device installed above, aided measurement device is enterprising in conducting wire to be measured since initial position
Row is primary mobile, first two terminal As of latter two location determination and B, measures line segment OA length L1 and line segment OB length L2, line respectively
Section OA angles with horizontal plane θ1, line segment OB angles with horizontal plane θ2；
2) it, establishes using point O as the plane right-angle coordinate of coordinate origin, by the coordinate of determining terminal A, the seat of terminal B
Mark substitutes into the parabola model formula y=x of conducting wire to be measured2Parameter m, n is calculated in+mx+n；
3), range unit acquisition conducting wire geographic location to be measured latitude and longitude information, range unit is by geographical location longitude and latitude
Parameter m, n for spending the parabola model formula of information and obtained conducting wire to be measured forms a data frame, passes through wireless transmission
To remote server.
Further, step 1) includes the following steps：
11), a range unit installed above in the two adjacent tower bars for connecting conducting wire to be measured, range unit are installed on
At the conducting wire hanging point of suspension string lower end, the endpoint O as measurement distance；
12), in conducting wire to be measured junior range device installed above, the point that junior range device is located above conducting wire to be measured is made
Terminal A for measurement distance；
13), junior range device is moved to any point position different from terminal A, junior range device on conducting wire to be measured
The position point different from terminal A at place is denoted as terminal B；
14), the line segment length L that range unit difference measurement terminals O is formed with terminal A1, the line that forms of endpoint O and terminal B
Segment length L2, angle theta between line segment OA and horizontal plane1, angle theta between line segment OB and horizontal plane2。
Further, step 2) includes the following steps：
Range unit is establishing plane right-angle coordinate where conducting wire to be measured by coordinate origin of point O in plane α, by A points
Coordinate (L1*cosθ1,-L1*sinθ1), B point coordinates (L2*cosθ2,-L2*sinθ2) substitute into, solve throwing of the conducting wire to be measured in plane α
Object line model formula y=x2+mx+n, is calculated parameter m, n, then any point x on conducting wire0Place can accurately be counted by distance of crossing substance
It calculates.
A kind of transmission line of electricity modeling junior range device measured for clearance, including shell, on conducting wire to be measured
Mobile fixed module and the control module positioned at enclosure interior, fixed module are fixedly mounted with shell, and control module includes micro-
Controller, obliquity sensor, power module, GPRS wireless communication modules, GPS module and power module, microcontroller respectively with
Obliquity sensor, power module, GPRS wireless communication modules are connected with GPS module, and what power module included being sequentially connected electrically leads
Line sensing takes electric unit, rectification unit, pwm unit, voltage sampling unit, and conducting wire sensing takes electric unit to be treated with being hung on
Survey the secondary coil connection that being wound on conducting wire can be on open and close type toroidal core.
The invention has the advantages that
The present invention installs range unit at the conducting wire hitch point of suspension string lower end, endpoint O is determined, on conducting wire to be measured
Install junior range device, proceed by movement from initial position, be moved to different from initial position a bit, respectively determine endpoint
A, terminal B measures length, the length of line segment OB, the angle of line segment OA and horizontal plane, line segment OB and the horizontal plane of line segment OA respectively
Angle, realize conducting wire sag to be measured parabola modeling, the parabola model parameter and position parameter of foundation are led to
It crosses wireless mode and is sent to server, can not only accurately calculate the arc sag of each point on conducting wire, while also establish conducting wire to be measured
Real time mathematical model, while the location information acquired facilitates engineering staff to position in time.Catenary side with establishing conducting wire to be measured
Journey model is compared, and simplifies modeling process, is had better engineering practical value, is realized each scissors crossing clearance under line
Accurate to calculate, data are accurate, working efficiency is high, operating risk is small.
Description of the drawings
Fig. 1 is transmission line of electricity clearance measurement structural representation；
Fig. 2 is that the transmission line of electricity measured for clearance models junior range device control module structure diagram.
Specific embodiment
As shown in Figure 1, being connected with conducting wire to be measured between two adjacent tower bars, range unit is mounted on the conducting wire of suspension string lower end
At suspension, range unit point is determining endpoint O, and aided measurement device is slidably mounted on above conducting wire to be measured, from
Initial position proceeds by movement, be moved to different from initial position a bit, respectively determine terminal A, terminal B.
As shown in Fig. 2, it is a kind of for clearance measure transmission line of electricity modeling junior range device, including shell,
The fixed module moved on conducting wire to be measured and the control module positioned at enclosure interior, fixed module are fixedly mounted with shell, control
Module includes microcontroller, obliquity sensor, power module, GPRS wireless communication modules, GPS module and power module, micro-control
Device processed is connect respectively with obliquity sensor, power module, GPRS wireless communication modules and GPS module, and power module is included successively
The conducting wire sensing of electrical connection takes electric unit, rectification unit, pwm unit, voltage sampling unit, and conducting wire sensing takes electric unit
It is connect with being hung on the secondary coil that being wound on conducting wire to be measured can be on open and close type toroidal core.
A kind of transmission line of electricity modeling method measured for clearance, includes the following steps：
1), a range unit installed above in the two adjacent tower bars for connecting conducting wire to be measured, range unit are installed on
At the conducting wire hanging point of suspension string lower end, the endpoint O as measurement distance；
2), in conducting wire to be measured junior range device installed above, the point that junior range device is located above conducting wire to be measured is made
Terminal A for measurement distance；
3), junior range device is moved to any point position different from terminal A, junior range device institute on conducting wire to be measured
The position point different from terminal A be denoted as terminal B；
4), the line segment length L that range unit difference measurement terminals O is formed with terminal A1, the line that forms of endpoint O and terminal B
Segment length L2, angle theta between line segment OA and horizontal plane1, angle theta between line segment OB and horizontal plane2；
5), range unit is establishing plane right-angle coordinate where conducting wire to be measured by coordinate origin of point O in plane α, by A
Point coordinates (L1*cosθ1,-L1*sinθ1), B point coordinates (L2*cosθ2,-L2*sinθ2) substitute into, conducting wire to be measured is solved plane α's
Parabola model formula y=x2Parameter m, n is calculated in+mx+n, then any point x on conducting wire0It place can be accurate to distance of crossing substance
It calculates；
6), junior range device acquisition conducting wire geographic location to be measured latitude and longitude information, range unit is by geographical location
Parameter m, n of the parabola model formula of latitude and longitude information and obtained conducting wire to be measured forms a data frame, by wireless
It is sent to remote server.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (3)
1. a kind of transmission line of electricity modeling method measured for clearance, which is characterized in that include the following steps：
1) a, range unit installed above in the two adjacent tower bars for connecting conducting wire to be measured, the endpoint as measurement distance
O, in conducting wire to be measured junior range device installed above, aided measurement device carries out one since initial position on conducting wire to be measured
Secondary movement, first two terminal As of latter two location determination and B, measure line segment OA length L1 and line segment OB length L2, line segment OA respectively
Angle with horizontal plane θ1, line segment OB angles with horizontal plane θ2；
2) it, establishes using point O as the plane right-angle coordinate of coordinate origin, by the coordinate of determining terminal A, the coordinate generation of terminal B
Enter the parabola model formula y=x of conducting wire to be measured2Parameter m, n is calculated in+mx+n；
3), range unit acquisition conducting wire geographic location to be measured latitude and longitude information, range unit believe geographical location longitude and latitude
Parameter m, n of breath and the obtained parabola model formula of conducting wire to be measured forms a data frame, remote by being wirelessly transmitted to
Journey server.
A kind of 2. transmission line of electricity modeling method measured for clearance as described in claim 1, which is characterized in that step
1) include the following steps：
11), a range unit installed above in the two adjacent tower bars for connecting conducting wire to be measured, range unit are installed on pendency
At the conducting wire hanging point of string lower end, the endpoint O as measurement distance；
12), in conducting wire to be measured junior range device installed above, the point that junior range device is located above conducting wire to be measured is used as survey
Span from terminal A；
13), junior range device is moved to any point position different from terminal A, junior range device place on conducting wire to be measured
The position point different from terminal A be denoted as terminal B；
14), the line segment length L that range unit difference measurement terminals O is formed with terminal A1, the length along path that forms of endpoint O and terminal B
Spend L2, angle theta between line segment OA and horizontal plane1, angle theta between line segment OB and horizontal plane2。
A kind of 3. transmission line of electricity modeling method measured for clearance as described in claim 1, which is characterized in that step
2) include the following steps：
Range unit is establishing plane right-angle coordinate where conducting wire to be measured by coordinate origin of point O in plane α, by A point coordinates
(L1*cosθ1,-L1*sinθ1), B point coordinates (L2*cosθ2,-L2*sinθ2) substitute into, solve parabola of the conducting wire to be measured in plane α
Model formation y=x2Parameter m, n is calculated in+mx+n, then any point x on conducting wire0Place can accurately calculate distance of crossing substance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610531663.5A CN105953762B (en) | 2016-07-07 | 2016-07-07 | A kind of transmission line of electricity modeling method measured for clearance and range unit |
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| CN201610531663.5A CN105953762B (en) | 2016-07-07 | 2016-07-07 | A kind of transmission line of electricity modeling method measured for clearance and range unit |
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| CN106895813B (en) * | 2017-03-28 | 2023-05-02 | 珠海鼎日电子科技有限公司 | Device and method for measuring sag of overhead conductor of power transmission line |
| CN110645940A (en) * | 2019-08-30 | 2020-01-03 | 四川中机航飞无人机科技有限公司 | Dynamic prediction system and method for clearance distance between wire and tree |
| CN112611292A (en) * | 2020-11-26 | 2021-04-06 | 广东电网有限责任公司韶关供电局 | Distribution lines measuring device |
| CN115482217B (en) * | 2022-09-21 | 2024-05-10 | 内蒙古科电数据服务有限公司 | Transformer substation electric shock prevention video detection method based on Gaussian mixture model separation algorithm |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6205867B1 (en) * | 1998-10-07 | 2001-03-27 | American Electric Power, Inc. | Power line sag monitor |
| CN103323167A (en) * | 2013-07-10 | 2013-09-25 | 国家电网公司 | Method for monitoring stress and sag of transmission line conductor |
| CN103438848A (en) * | 2013-09-09 | 2013-12-11 | 成都思晗科技有限公司 | Power transmission line sag monitoring method |
| CN204885997U (en) * | 2015-07-07 | 2015-12-16 | 上海西邦电气有限公司 | Line appearance is patrolled to portable multi -functional intelligence with solid function of making a video recording |
| CN105222749A (en) * | 2015-09-18 | 2016-01-06 | 郑州信工智能化系统有限公司 | A kind of power transmission line sag on-line monitoring method and device |
| CN205049114U (en) * | 2015-08-27 | 2016-02-24 | 华北电力大学（保定） | Transmission line arc measurement system that hangs down based on short message communication technique of big dipper |
-
2016
- 2016-07-07 CN CN201610531663.5A patent/CN105953762B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6205867B1 (en) * | 1998-10-07 | 2001-03-27 | American Electric Power, Inc. | Power line sag monitor |
| CN103323167A (en) * | 2013-07-10 | 2013-09-25 | 国家电网公司 | Method for monitoring stress and sag of transmission line conductor |
| CN103438848A (en) * | 2013-09-09 | 2013-12-11 | 成都思晗科技有限公司 | Power transmission line sag monitoring method |
| CN204885997U (en) * | 2015-07-07 | 2015-12-16 | 上海西邦电气有限公司 | Line appearance is patrolled to portable multi -functional intelligence with solid function of making a video recording |
| CN205049114U (en) * | 2015-08-27 | 2016-02-24 | 华北电力大学（保定） | Transmission line arc measurement system that hangs down based on short message communication technique of big dipper |
| CN105222749A (en) * | 2015-09-18 | 2016-01-06 | 郑州信工智能化系统有限公司 | A kind of power transmission line sag on-line monitoring method and device |
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Inventor after: Liu Zhiqiang Inventor after: Zhang Fuyou Inventor after: Yang Huiying Inventor after: Zhang Yi Inventor after: Li Xiaoying Inventor after: Qi Chao Inventor before: Liu Zhiqiang Inventor before: Zhang Fuyou Inventor before: Zhang Yi Inventor before: Li Xiaoying Inventor before: Qi Chao |
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Effective date of registration: 20180523 Address after: No. 111, No. ten weft Road, Huaiyin District, Ji'nan, Shandong Applicant after: Research Institute of Economics and Technology, State Grid Shandong Electric Power Company Applicant after: SHANDONG ZHIYUAN ELECTRIC POWER DESIGN AND CONSULTING CO., LTD. Applicant after: State Grid Corporation of China Address before: No. 111, No. ten weft Road, Huaiyin District, Ji'nan, Shandong Applicant before: Research Institute of Economics and Technology, State Grid Shandong Electric Power Company Applicant before: State Grid Corporation of China |
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